22results about How to "Prevent extrusion" patented technology

The present application relates to copper nickel ore sorting technical field, specifically for low grade copper nickel ore combined sorting device and process, including heavy plate feeder, the output end of heavy plate feeder is connected with short distance closed belt conveyor, the present application can separate 87.7% of invalid gangue components in advance after the whole set of combined sorting process is put into operation, reduce the material volume of flotation section from the source, the reagent dosage and water and electricity energy consumption are reduced synchronously, effectively reduce the processing cost of low grade copper nickel ore, significantly improve the production profit level of the project, the waste rock produced by sorting is used as underground filling aggregate after fine crushing, which replaces the purchased gobi sandstone raw material, achieves closed loop utilization of solid waste resources, and meets the green mine development and construction guidelines.

The utility model belongs to valve technical field relates to a five -way ball valve with good sealing effect, including valve body, the inlet and the outlet of valve body all are equipped with the connecting pipe, the peripheral surface of connecting pipe is equipped with flange near the pipe orifice, the nut for connecting the pipe fitting is covered on the connecting pipe, the connecting pipe is covered with the sealing ring of cross section is L type, the outer periphery of small diameter section of sealing ring is equipped with the sealing lip towards its major diameter end, the two end faces of major diameter end of sealing ring are equipped with a plurality of concentric lines, the inner wall of sealing ring is equipped with annular limit slot, the outer periphery of connecting pipe is equipped with the limit block of clamping in limit slot. Through L type sealing ring can realize pipe fitting end surface and peripheral surface double seal, ensure the sealing effect of valve, the limit slot and the limit block cooperate with each other, can prevent sealing ring from being extruded.

The present application relates to the technical field of industrial robot spare parts, in particular to a mute type ball nut noise reduction structure for an industrial robot and a method thereof, comprising a mute sleeve set on the outside of a lead screw, the mute sleeve comprising a nut, a bushing mounted on the nut, and a plurality of balls. The mute sleeve is further provided with a filler, the filler comprising a filler tube with a grease storage cavity inside, and a pair of lifting rings, a rotating plug, and an extrusion part coaxially arranged inside the filler from top to bottom. The present application applies continuous pressure on the lubricating grease in the grease storage cavity through the extrusion part, cooperates with the material passage gap in the convex rod which is in contact with the thread groove of the lead screw, realizes continuous and uniform coating of the lubricating grease to the thread groove of the lead screw, and automatically brings the lubricating grease to the ball load track and the circulation channel with the rotation of the lead screw and the movement of the nut, realizes continuous self-lubrication without manual intervention, and effectively reduces the friction noise caused by insufficient lubrication.

The utility model discloses an encrusting machine and relates to the technical field of food processing. The full-automatic encrusting machine comprises a feeding mechanism, an encrusting mechanism, a knife passing structure and a rack, a feeding mechanism, a stuffing wrapping mechanism and a knife passing structure are respectively mounted on the rack; the feeding mechanism comprises a flour hopper, a stuffing hopper and a feeding pipe; the flour hopper and the stuffing hopper are communicated with the two sides of the stuffing wrapping mechanism; the stuffing wrapping mechanism comprises a stuffing wrapping pipe, an inner stuffing pipe, an oil seal structure and a material pressing ring structure; the stuffing wrapping pipe is in clearance fit with an inner stuffing pipe; one side of the inner stuffing pipe is communicated with a stuffing guide block; the stuffing wrapping pipe is provided with a wrapper feeding hole, and the stuffing guide block and the wrapper feeding hole are respectively communicated with an outlet of the feeding pipe; a material pressing ring structure is also assembled in the encrusting pipe, and an oil seal structure is assembled at the material pressing ring structure of the encrusting pipe; a knife passing structure is assembled at the bottom of the encrusting mechanism; and a driving mechanism is mounted on the rack. Through the structural design effect of the encrusting mechanism, the encrusting machine has the advantages of guaranteeing the cutting effect and the hygienic standard and safety quality of food.

This invention provides a graded embolization protection device, belonging to the field of vascular interventional medical device technology. The device includes a delivery guidewire, with multiple protection units fixedly arranged at intervals at the distal end of the guidewire. Each protection unit has a proximal open end and a distal closed end, and each protection unit has a flexible support frame for support at a target location. Multiple open areas are formed on the support frame, and a soft, elastic filter membrane is arranged on the edge of each open area or on the sidewall of the entire support frame to cover the open area. In use, the multiple protection units are axially deployed graded along the target location, with the flexible support frame of each protection unit fully conforming to the inner wall of the blood vessel, and the soft, elastic filter membrane intercepting emboli in the blood flow. This addresses at least the technical problems of existing embolization protection devices, such as poor flexibility due to the high coverage of the rigid support structure, difficulty in adapting to complex vascular morphologies, and poor fit with the vascular wall, leading to embolism escape.

This application discloses a sealing gasket and an electrolytic cell, relating to the field of electrolytic cell technology. The sealing gasket includes a skeleton and an elastic portion. The skeleton is annular, with its central axis extending along a first direction. The elastic portion is fixedly connected to the skeleton and includes two abutment layers, which are respectively disposed on opposite sides of the skeleton in the first direction. The skeleton is embedded in the abutment layers, or the abutment layers are embedded in the skeleton. The technical solution provided by this application aims to improve the structural strength of the sealing gasket, thereby ensuring the sealing performance of the electrolytic cell.

The utility model relates to food detection technical field, and disclose a walnut milk food detection sampling device with protection structure, including sampling cylinder, the inside slide of sampling cylinder is equipped with the sealing plug, the middle part of sealing plug top is equipped with the vertical rod fixedly, the top of sampling cylinder is equipped with the top plate fixedly, the top of top plate is equipped with the guide limit component that guides and limits vertical rod, the bottom of sampling cylinder is equipped with the slide, the bottom of sampling cylinder is connected with sampling tube threadedly, through setting sampling tube at the bottom of sampling cylinder, can be accurate sampling to deep sample or specific depth sample, the bottom of sampling tube can be blocked up through the plug, avoided the storage and sampling process exposure to air, introduced the microorganism, dust and other pollutants in environment, leading to sample distortion, through the sampling tube is immersed in walnut milk, utilize slideboard to promote elastic support component, can make the plug leave sampling tube.

The utility model discloses a kind of knife dies for eliminating filmless paper die cutting scrap edge, comprising: die holder, the die holder is opened with multiple forming areas, the forming area is provided with ring cutter, the inside of the ring cutter is provided with and the first elastic member matched with ring knife cutting shape, outside is provided with second elastic member, the first elastic member and second elastic member are used to pop out blanking after ring cutter cutting. By dividing the blade angle into two sections, the knife die life is ensured, and the blade position is avoided to squeeze the material, the edge of the part is improved, the die cutting knife edge is not uneven, the sufficient blade height ensures the vertical pressure during cutting, and sufficient buffer is provided for the paper to avoid wrinkles.

The invention provides an electronic expansion valve connecting structure. The electronic expansion valve connecting structure comprises a coil assembly and a valve body assembly. The coil assembly comprises a shell, and a coil assembly, a connecting piece and a sealing piece which are integrally injection-molded in the shell; a valve body mounting cavity is formed in the shell in the axial direction; the coil assembly is distributed in the shell in the circumferential direction of the valve body installation cavity. The connecting piece is connected with the coil assembly, and a positioning bulge is arranged on the connecting piece; a positioning clamping groove is formed in the peripheral wall of the valve body assembly; the sealing piece is arranged at a cavity opening of the valve body mounting cavity and comprises an embedding part and a sealing part which are integrally formed; the embedded part is coated and injection-molded in the shell, and the sealing part is inwards exposed out of the inner wall of the valve body mounting cavity in the radial direction. The structure has the advantages that the coil assembly, the connecting piece and the sealing piece are integrally arranged in the shell in an injection molding manner, so that the number of parts and the material cost are reduced; and the positioning bulge on the connecting piece is matched with the positioning clamping groove in the valve body assembly, so that an external connecting plate is omitted, and the cost and the assembly complexity are reduced.

The utility model relates to the technical field of cosmetic bottles, and discloses a cosmetic bottle with a silica gel lip gloss head, which comprises a connecting pipe, a fixed circular plate I is fixedly connected to the inner wall of the connecting pipe close to the top, a sliding circular plate is rotatably connected to the bottom of the inner wall of the fixed circular plate I, and a connecting rod is fixedly connected to the front side of the middle of the outer wall of the sliding circular plate. A second fixed circular plate is rotationally connected to the bottom of the sliding circular plate, limiting rods are fixedly connected to the left side and the right side of the bottom of the front side of the outer wall of the second fixed circular plate, liquid inlet holes are formed in the peripheries of the inner walls of the sliding circular plate and the second fixed circular plate, and a silica gel lip gloss head is installed at the top of the inner wall of a connecting pipe. According to the utility model, the fixed circular plate I is fixed on the inner wall, close to the top, of the connecting pipe, meanwhile, the sliding circular plates are rotationally connected to the inner walls of the fixed circular plate I and the fixed circular plate II, and the liquid inlet hole in the fixed circular plate II can coincide with the liquid inlet hole in the sliding circular plate, so that the use requirements are met.

The utility model belongs to concrete detection technical field, concretely relates to a kind of concrete moisture content detection device, this kind of concrete moisture content detection device includes: box, the back surface of the box is close to top end place and is equipped with crushing mechanism, the inside of the box is close to top end place and is equipped with stirring mechanism, the back surface of the box is equipped with feed inlet corresponding crushing mechanism, the inner top of the box is close to back surface place and is equipped with exhaust port, the inner bottom of the box is equipped with weighing assembly, the crushing mechanism includes fixed base, the fixed base is fixedly installed in the back surface of box the inside of the fixed base is close to the front place and is equipped with recess, the back surface of the fixed base extends to recess inside and is equipped with pusher assembly, the inside of the fixed base left and right sides is symmetrically equipped with hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with clamping plate, this kind of concrete moisture content detection device has the effect of improving detection efficiency and practicality.

The present application relates to pen injector technical field, specifically for double cavity adjustable dose pen injector, including intermediate connecting pipe, when one medicine placement shell needs to be injected, one pressing plate is pressed, when the pressing plate falls, one pressing rod, one pressing rod and one piston plate will be driven to fall synchronously, the piston plate will slide down in the medicine placement shell that needs to be injected, and the medicine in the medicine placement shell will be squeezed out and injected into the patient's body, when one pressing rod falls, the blocking block will move to the other end, and the moving blocking block will finally be located below the other pressing rod, at this time, the other pressing rod can be prevented from falling by the blocking block, so that the other piston plate can prevent the liquid in the other medicine placement shell from being squeezed out, so that the patient can prevent the two medicines in the medicine placement shell from being injected at the same time, and the safety and stability of injection are improved.

This invention proposes a single-shear apparatus and shearing method for uniform shear strain distribution. The shearing method includes installing a shearing assembly, loading the sample into the stack of plates of the shearing assembly, installing a vertical loading device and a shear force loading device, applying a vertical load to the sample to consolidate the sample, installing a left-side sliding limit device, and applying a horizontal load to the consolidated sample for shearing. This invention can precisely control the shearing direction, solve the problem of shear force direction deflection in the prior art, and enable uniform shearing of the sample, ensuring uniform vertical shear strain distribution.

The application discloses a composite gel particle plugging agent for plugging steam channeling and preparation and application thereof, and belongs to the technical field of oil field chemistry. The plugging agent has a triple composite structure of "rigid inorganic core-elastic gel shell-oil-soluble surface layer", the elastic gel shell penetrates and is chemically anchored in the porous structure of the core through a crosslinked network, and an organic-inorganic interpenetrating interface is formed. The surface modifier is an oil-soluble polymer. The plugging agent realizes the synergy of rigid support, elastic plugging and flexible selectivity, so that the volume retention rate of the plugging agent is greater than or equal to 85%, the single-particle compressive strength is greater than or equal to 1.5 MPa, and the ratio (selectivity index) of the plugging rate of the water phase channel to the damage rate of the oil phase channel is greater than or equal to 7.0 after the plugging agent is aged for 7 days in a steam environment at 300 DEG C and a salinity of 20*10 4 mg / L, and the technical problems of easy failure, low plugging strength and lack of flexible selectivity of existing plugging agents under extreme high temperature and high salinity are effectively solved.

The utility model discloses an anti-caking molding powder extrusion device, which belongs to the technical field of plastic production devices, and comprises a molding powder extrusion conveying belt, the top surface of the molding powder extrusion conveying belt is fixedly connected with a top sealing cover, the top surface of the top sealing cover is provided with a feeding pipe, and the bottom surface of the top sealing cover is provided with a matching opening; the anti-blocking assembly comprises a movable frame, two groups of guide rods, a top connecting frame, a plurality of supporting rods and an inserting rod, the movable frame is arranged at the bottom of the top sealing cover, and the two groups of guide rods are fixedly connected to the top surface of the movable frame. According to the molding powder extrusion device capable of preventing caking, the feeding pipe is connected with the storage container, the pushing air cylinder pushes the top connecting frame to move, the inserting rod enters the connecting pipeline and the storage container, raw materials caked and stacked at the bottom are damaged, the storage container does not need to be taken down for operation, the production efficiency is improved, and production operation is facilitated.

The utility model discloses a kind of gear box elastic support components of multilayer steel plate superposition, it is related to gear box elastic support component field, and its technical scheme main point is: including rubber elastomer, and multiple annular steel plates A embeddedly fixed on the outer side wall of rubber elastomer, the outer diameter of each annular steel plate A is compatible with the outer profile of rubber elastomer, the middle part of the rubber elastomer additionally adds a layer annular steel plate B, annular steel plate B is thickened relative to annular steel plate A, effect is through " key area rigidity reinforcement+stress transmission path optimization" precise protection is realized, with the minimum structural change, the efficient control of rubber elastomer extrusion deformation is realized, simultaneously, after adding annular steel plate B, the gap between annular steel plate A will also lead to small, smaller gap can enhance the circumferential restraint of annular steel plate A to rubber elastomer, directly suppress the extrusion tendency of rubber elastomer to annular steel plate A gap under the action of load.

This invention relates to an automatic moxa wool feeding machine for moxa stick production, comprising a connecting frame, a transmission mechanism on the inner wall of the connecting frame, and a conveyor belt sleeved on the outer side of the transmission mechanism. In use, the vertical plate is lowered so that its bottom abuts against the top of the conveyor belt to cut the moxa wool. By rotating the vertical plate, the cutting effect of the vertical plate can be optimized, thereby allowing for better separation of the moxa wool to be compacted from the moxa wool currently being compacted. A rectangular plate, the connecting frame, and a pair of vertical plates cover and seal the moxa wool being compacted, preventing it from flying into the air during compaction. Simultaneously, the vertical plates also limit the moxa wool being compacted, preventing it from being squeezed out from both sides of the extrusion plate. Therefore, this invention not only prevents workers from sucking in the moxa wool but also reduces the loss and waste of moxa wool.

The utility model relates to the technical field of power distribution equipment, in particular to a waterproof power distribution box which comprises a box body, a box cover arranged at the top of the box body and box doors hinged to the two sides of the box body, a plurality of through holes are formed in the bottom end of the box body, and a supporting frame is arranged at the bottom of the box body and horizontally installed in the box body. A floating plate made of light materials is arranged above the supporting frame, the horizontal section of the floating plate is matched with the horizontal section of an inner cavity of the box body, a sealing frame made of elastic materials is arranged above the floating plate and installed on the top face of the floating plate, and a fixing frame is arranged above the sealing frame and horizontally installed on the lower middle portion of the inner cavity of the box body. A plurality of air holes are formed in the portion, between the fixing frame and the supporting frame, of the box body, a water retaining cover with an opening in the bottom end is arranged on the outer sides of the air holes, the water retaining cover is installed on the outer wall of the box body, and a cavity defined by the water retaining cover and the box body is communicated with an inner cavity of the box body through the air holes. The waterproof distribution box provided by the utility model has the advantages of strong waterproof performance and good heat dissipation performance.

The utility model provides a kind of polyester rags high-efficiency compression packing device, it is related to compression packing device technical field, and it includes: compression mechanism, the bottom of the compression mechanism is provided with sealing mechanism, the bottom of the sealing mechanism is provided with exhaust mechanism, the sealing mechanism includes box, the side of the box is rotatably connected with movable plate by rotating part, and the bottom inside of the movable plate is fixedly connected with electric telescopic rod one;The utility model, the moving block driven by motor can be set, the vacuum sealing of polyester rags after compression is quickly completed, the positioning wheel with limited location and quick clamping is set, so that sealing work is more convenient and time-saving, the position of positioning wheel can also be limited, prevent it from being influenced clamping effect after clamping due to external force fluctuation, the extrusion plate driven by electric telescopic rod one is set, the opening of vacuum packaging bag before compression can be extruded, prevent compression and make internal rags be extruded.

The utility model relates to the technical field of cream packaging, provides an applicator for fluticasone propionate cream, and solves the technical problems that the fluticasone propionate cream is poor in flowability and poor in ball bottle using effect. The applicator comprises a bottle cap with a rolling body and a hard bottle body, a cream pushing assembly is arranged in the hard bottle body, and the applicator is characterized in that the cream pushing assembly comprises a pushing plate and a linear driving structure; the applicator further comprises an extrusion assembly. The extrusion assembly comprises an inner corrugated compression body, a perforated plate and an outer corrugated compression body, the inner corrugated compression body and the perforated plate are arranged between the lead screw and the bottle body in a sleeving mode, the upper end and the lower end of the inner corrugated compression body are fixedly connected with the push plate and the perforated plate respectively, and the linear driving structure is used for driving the push plate to move up and down along the bottle body.

The application discloses a kind of intelligent self-compensation sealed piston type pneumatic actuator, it is related to pneumatic piston technical field, including sliding piston, air passage and sealing ring, the air inlet of sliding piston top is connected with air outlet by air passage, the air outlet is used to guide high-pressure gas in the containing groove of sealing ring inside, the annular spring in the sealing ring is attached with the sealing groove of sliding piston, the sealing ring is connected with sliding piston by first side ring and second side ring.The application is equipped with sliding piston, air passage, sealing ring, annular spring, sealing cover, solenoid valve, first pressure sensor and second pressure sensor, realizes the intelligent automatic compensation adjustment and accurate control of sealing pressure, avoids excessive wear or damage of sealing ring due to excessive pressure, also prevents gas leakage due to insufficient pressure, improves sealing reliability, prolongs the service life of sealing ring.

This invention relates to the technical field of circuit board edge grinding. More specifically, this invention relates to an HDI circuit board cutting and edge grinding device and method. It includes a support frame and a housing; the housing is fixedly connected to the support frame; a grinding block is connected to a drive assembly; at least eight electric push rods are connected to the drive assembly; all electric push rods are evenly divided into two groups, and the telescopic end of each group of electric push rods is commonly fixedly connected to a ring; a second ring is rotatably connected to each ring; a clamping plate is fixedly connected to each second ring; at least four elastic telescopic rods are fixedly connected to each clamping plate; and an electric suction cup is slidably connected to each clamping plate. In use, the four edges of the circuit board sequentially contact the grinding block immersed in clean water and undergo grinding, effectively preventing dust diffusion. After grinding, only the four edges of the circuit board are wetted with clean water, which, compared to the prior art that wets the entire circuit board, improves drying efficiency.