11results about How to "Reduce involvement" patented technology

This invention relates to the field of die-casting mold technology and discloses a die-casting mold for aluminum alloy forming, comprising a moving mold and a fixed mold, and further comprising: a pre-vacuuming mechanism, fixedly installed inside the fixed mold, the pre-vacuuming mechanism including a sealing element and a pre-vacuuming channel communicating with the sealing element, and a slot corresponding to the sealing element on the moving mold; a vacuuming mechanism, including a fixed mold vacuuming component fixed on the fixed mold and a moving mold vacuuming component fixed on the moving mold; and a feeding assembly, fixedly installed on the side of the fixed mold away from the moving mold. This die-casting mold for aluminum alloy forming, by setting the pre-vacuuming mechanism and the vacuuming mechanism, initiates pre-vacuuming during the mold closing process, utilizing the dynamic stage of the gradually decreasing cavity volume to expel most of the gas in advance; a second vacuuming is performed after mold closing to further extract residual gas. The synergistic effect of the two vacuuming processes effectively reduces the initial gas content in the cavity.

The utility model discloses a casting device of a compressor box body casting, and aims to provide a casting device which is favorable for improving the flowing stability of molten metal in a mold cavity and reducing molten iron splashing and turbulent flow so as to reduce the risk of gas entrainment and oxide inclusion; and the casting device of the compressor box body casting is beneficial to slag floating and sequential solidification so as to reduce the shrinkage porosity defect. The mold comprises a mold cavity and a plurality of sand cores arranged in the mold cavity, and the opening end of each cooling cavity is arranged downwards in the mold cavity; and the outlet end of each bottom pouring pipeline is communicated with the bottom of the cavity, each cooling cavity at least corresponds to two bottom pouring pipelines, and the outlet ends of the bottom pouring pipelines corresponding to the cooling cavities are sequentially distributed along the edges of the opening ends of the cooling cavities.

This utility model discloses a passive cooling gearbox, mainly relating to the field of remote control car gearbox technology. It includes a cooling motor frame, a transition drive shaft protective cover, and a secondary transmission fixing frame arranged sequentially from top to bottom. A transition drive shaft is located inside the transition drive shaft protective cover. A blower-type cooling wheel is located at the top of the transition drive shaft. A motor is mounted on the cooling motor frame, and a drive wheel is mounted on the motor shaft. An output shaft is mounted on the secondary transmission fixing frame. A transition wheel is located at the bottom of the transition drive shaft, and a driven wheel is located at the bottom of the output shaft, with the driven wheel and transition wheel being connected in a driving connection. A fixed mounting bracket is located on one side of the transition drive shaft protective cover. Both the cooling motor frame and the secondary transmission fixing bracket are hinged to the fixed mounting bracket via the output shaft. This utility model can improve the heat dissipation effect of the motor, reduce the risk of wire entanglement, and extend its service life.

The invention discloses a liquid-electric extracorporeal shock wave lithotripter which comprises a bed body, a notch is formed in the middle of the bed body, a control base is fixedly connected to the inner bottom end of the notch, an ultrasonic probe is arranged on the front side of the control base, a water bag is arranged on the rear side of the ultrasonic probe, rectangular notches are formed in the top ends of the left side and the right side of the notch in the middle of the bed body, and a cleaning mechanism is arranged at the top end of the water bag. The cleaning mechanism comprises a storage box, an air supply device is fixedly connected to the bottom end of the storage box, an automatic telescopic batten is arranged in the storage box, a supporting pipe row is fixedly connected to the side, away from the storage box, of the automatic telescopic batten, an air suction cylinder is arranged at the bottom end of the supporting pipe row, and a traction ring is rotationally connected to the bottom end of the air suction cylinder. The invention relates to the technical field of medical treatment, and has the characteristics that the practicability is high, a coupling agent on the surface of a water bag can be automatically cleaned, and the water bag cannot be damaged.

The utility model relates to the technical field of wrapping film production, and discloses convenient-to-clean pressing equipment for packaging wrapping film production, which comprises a cleaning mechanism. When a winding film makes contact with the surface of the adjusting wheel, the adjusting wheel is driven by friction force to rotate in the fixing block, the adjusting wheel is fixed to the gear, the gear is meshed with the first gear, the first gear is fixed to the brush wheel, so that the brush wheel rotates in the fixing block, and the brush wheel makes contact with the surface of the adjusting wheel; dust or foreign matter attached to the surface of the adjusting wheel is cleaned, the dust is collected in a unified mode through a dust suction pipe by means of negative pressure in a collecting frame, the possibility that the dust is wound in the winding film when the winding film is wound is reduced, the cleaning effect is improved, and the quality of the winding film is guaranteed; a sliding rod is fixed to the bottom of a fixing block, and the outer wall of the sliding rod is sleeved with a spring; and the spring elastically pushes the fixing block, so that the adjusting wheel applies certain pressure to the winding film, the winding film is prevented from wrinkling during winding, and the sliding rod is limited by the limiting plate.

The invention discloses a casting mold and a casting process for a vertical line of brake calipers, and belongs to the technical field of automobile brake casting production. The mold comprises a pouring cup and a pair of caliper casting molds, the pair of caliper casting molds are symmetrically arranged, the upper side and the lower side between the pair of caliper casting molds are provided with a first riser and a second riser respectively, the first riser and the second riser are connected through a runner, and the two ends of the runner penetrate through the first riser and the second riser respectively; the pouring cup is connected with the upper side of the upper transverse pouring gate, the lower side of the upper transverse pouring gate is connected with one end of the vertical pouring gate, the other end of the vertical pouring gate is connected with one end of the runner, the other end of the runner is connected with the middle of the lower transverse pouring gate, and the two ends of the lower transverse pouring gate are connected with the bottom of the caliper casting mold through the inner pouring gates respectively. According to the method, the mold is adopted, the probability of quality problems of final products can be effectively reduced, and the production efficiency is improved.

The invention provides a capillary hole and capillary tube combined cyanate ester resin glue filling and curing method, which comprises the following steps of: forming a glue dispensing groove in the top of a filling piece, communicating the glue dispensing groove with capillary holes, placing capillary tubes in the capillary holes, cleaning and drying the filling piece, heating cyanate ester resin glue, and performing bubble removal treatment to obtain the cyanate ester resin glue. Placing the glue into a heating dispensing machine, keeping the temperature at 100 DEG C, placing the filling piece on a heating table at the temperature of 100 DEG C, dispensing by using the air pressure of 5-6 bar, filling a dispensing groove with the cyanate resin glue, heating the glue, enabling the glue to enter a gap between a capillary tube and a capillary hole under the capillary action, completing filling, and then carrying out glue self-permeation and sectional type vacuumizing, so as to obtain the cyanate resin filling piece. And the curing is completed through three operations of stepped curing. According to the method provided by the invention, the filling compactness can be improved, and a segmented heating mode is adopted, so that the cyanate ester resin glue can be fully subjected to curing reaction at different stages, and the mechanical property and the stability after curing are improved.

The utility model discloses a water -based paint filling packaging equipment relates to filling equipment field, a water -based paint filling packaging equipment, including the connecting mechanism of the outlet pipe and the lower part blanking, the extension mechanism is slidably installed in the connecting mechanism, be provided with the scraping mechanism that cleans the extension mechanism inner wall between the connecting mechanism and the extension mechanism, the anti -dripping mechanism that is compatible with the extension mechanism is opened and closed to be installed to the connecting mechanism lower port, and the outlet pipe is filled into the packaging barrel when water -based paint, and the extension mechanism in the connecting mechanism is pushed by the high -pressure water -based paint of spouting, makes the extension mechanism extend into the packaging barrel, and high -pressure water -based paint reduces the interval between the packaging barrel cylinder bottom when blanking, effectively avoids the splashing phenomenon that water -based paint is under high pressure and is blanked and the interval between the bottom is too big, and the air bubble that reduces the coating impact process is involved simultaneously, promotes the filling efficiency and product quality.

The utility model discloses a protection device, and belongs to the technical field of continuous casting pouring, one end of the protection device is concavely provided with a hole cavity used for containing a long nozzle of a tundish, the end of the protection device extends along the outer side in the circumferential direction to form a port section with an inclined plane, and the other end of the protection device is in a pointed cone shape. The port section is used for blocking liquid when the other end of the protection device is inserted into the liquid. The hole cavity can be in butt joint with the long nozzle of the tundish, in this way, after replacement, the long nozzle of the tundish does not make direct contact with molten steel any more, when the long nozzle is inserted into the molten steel, the covering agent is expanded to the periphery through the pointed cone-shaped structure, then the molten steel and the covering agent are expanded to the outer side in the circumferential direction through the end opening section, blocking is formed, and therefore the long nozzle of the tundish can be conveniently replaced. In this way, in the process of replacing the long nozzle of the tundish, the covering agent can be effectively blocked on the outer side of the molten steel, it is avoided that the cleanliness of the molten steel is reduced, and therefore the casting blank quality is guaranteed.

The application discloses the field of tree maintenance device, a walnut tree disease treatment injection device, including box, the outer top wall of box is fixedly connected with the hook, the inner top wall of box is fixedly connected with the collector, the side fixedly connected with the power supply of collector away from the hook, the side fixedly connected with the singlechip of power supply away from the collector, the side fixedly connected with the injection assembly of the inner wall of box away from the power supply, the bottom of box is communicated with injection port, injection port is located in the injection assembly near the power supply below, the end communicated with infusion tube of injection port away from the power supply, the end communicated with injection head of infusion tube away from injection port. The device has simple structure, is suitable for a variety of trees, according to the periodic occurrence of disease, can automatically implement drug quantitative delivery according to the number of disease occurrence without manual intervention, also can reduce the possibility of drug mixing, ensure that the drug efficacy of each time drug liquid delivery is not affected.

The application relates to the technical field of sample collection, and discloses a tumor sample collection device which comprises a sampling tube, a sliding sleeve sleeved outside the sampling tube, a sleeve connected to the top end of the sliding sleeve, an inner cylinder arranged in the sleeve, the sampling tube extending into the inner cylinder, two groups of storage tubes symmetrically arranged in the inner cylinder, and the storage tubes being in communication with the sampling tube; a sampling port is arranged at the bottom end of the sampling tube, a floater is arranged below the horizontal position of the sampling port in the sampling tube, and the floater is slidably connected to the sampling tube through a tension spring. The floater is elastically connected to the sampling tube through the tension spring, when the sampling tube completes sampling, a bidirectional pump is started to suck the sample, the floater can also be adsorbed, the floater is stretched after being adsorbed by the adsorption force, moves to the sampling port, and blocks the sampling port, so that sample leakage is effectively avoided, the integrity of the sampling tissue is ensured, and the accuracy of detection is ensured.