13results about How to "Improve ejection effect" patented technology

The utility model discloses a secondary ejection mechanism for demoulding, which relates to the technical field of demoulding and comprises a supporting block, a lower mould is mounted at the upper end of the supporting block, an injection molding groove is formed in the upper end of the lower mould, and a movable plate is jointly and movably connected to the lower portion of the left inner wall and the lower portion of the right inner wall of the supporting block. Baffles are installed in the middle of the left inner wall and the middle of the right inner wall of the supporting block, rectangular grooves are formed in the left portion and the right portion of the upper end of the moving plate, ejection components are arranged in the two rectangular grooves, and two second ejection rods distributed in a bilateral symmetry mode are installed at the upper end of the moving plate. And circular grooves are formed in the upper ends of the two second ejector rods correspondingly, and a movable plate is arranged at the upper end of the movable plate. According to the utility model, the baffle plate, the ejection component and the first ejection rod are matched together to carry out secondary ejection on a product, and secondary demolding by a worker is not needed, so that the labor amount of the worker is reduced, and the working efficiency is improved.

The utility model belongs to the technical field of molds, and particularly relates to a multifunctional partitioned plastic storage box mold. The storage box forming mold comprises a storage box forming lower mold and a storage box forming upper mold, and an injection molding part is arranged above the storage box forming upper mold. In the injection molding process, the storage box base plate forming outer concave cavity is attached to the storage box base plate forming outer protrusion, the storage box base plate forming inner protrusion is attached to the storage box base plate forming inner concave cavity, and a molten material is injected into the cavity through the injection molding part; a buckle groove structure of a storage box base plate can be synchronously formed through the buckle groove synchronous forming piece, a roller groove structure of the storage box base plate is synchronously formed through the base plate roller groove synchronous forming assembly, roller grooves are used for subsequently assembling rollers at the bottom of a storage box, and carrying during use is facilitated; and secondary processing treatment on the buckle groove and the roller groove after injection molding is not needed, so that the molding quality of a plastic part is greatly improved, and the yield is improved.

The present invention provides a key bracket installation device with an automatic material discharge structure. First, a bracket installation mechanism is set, which includes an upper template, a lower template and a driving component. The upper template moves toward the lower template under the drive of the driving component. A clamping component and an ejection component are fixedly installed on the lower surface of the upper template. A bracket body is positioned on the lower template. The bracket body is formed under the clamping action of the clamping component, and then the bracket body is ejected out of the bracket installation mechanism under the action of the ejection component. The material distribution mechanism is detachably connected to the bottom of the bracket installation mechanism. The material distribution mechanism includes a first material receiving box and a second material receiving box. The first material receiving box and the second material receiving box are provided with a material distribution component at the feeding port. Compared with the prior art, the present invention adds an ejector pin and a material distribution mechanism, so that the bracket automatically falls into the material distribution mechanism for material distribution and storage after installation, thereby improving the production efficiency of the bracket.

The utility model relates to an MIM product rapid demolding device, and belongs to the technical field of MIM product production, the MIM product rapid demolding device comprises an upper mold and a lower mold, the upper mold is located on the upper side of the lower mold, a mold groove is formed in the side, close to the upper mold, of the lower mold, and an injection hole communicated with the mold groove is formed in the upper mold in a penetrating mode; and the demolding mechanism is mounted on the lower mold, comprises an ejection groove formed in the bottom of the mold groove in a penetrating manner, and further comprises an ejection plate embedded into the ejection groove and an ejection assembly enabling the ejection plate to move in the direction away from the ejection groove. The demolding device has the effects of rapidly demolding the workpiece and improving the production efficiency.

The present application provides a liquid ejection head capable of improving ejection performance. The liquid ejection head according to an embodiment includes a nozzle plate composed of a thin film material having flexibility and having a plurality of nozzles; a plurality of pressure chambers communicating with the plurality of nozzles, respectively; and a flow path portion constituting a flow path having independent liquid chambers communicating with the plurality of pressure chambers and a common liquid chamber, the flow path portion including a damper portion disposed on a side opposite to the nozzle plate with respect to the flow path and composed of a thin film material having flexibility.

The invention relates to the technical field of ultrasonic cleaning, in particular to ultrasonic cleaning equipment with a wastewater filtering treatment mechanism, which comprises a cleaning pool and a drainage pipe arranged at the bottom of the cleaning pool, and a filtering device is coaxially and detachably inserted into a water inlet of the drainage pipe. An annular gap is reserved between the periphery of the filtering device and the inner surface of the drainage pipe; the filtering device comprises a reducer pipe, a bottom pipe, a limiting ring, a bottom plate, a rotating rod and a cleaning brush; the reducer pipe comprises at least one set of forward conical cylinder net and reverse conical cylinder net, and the forward conical cylinder net and the reverse conical cylinder net are coaxially and fixedly connected. The bottom pipe is coaxially fixed at the bottom end of the reducer pipe; the top of the gap is blocked by the limiting ring, so that waste water in the cleaning pool flows into the drainage pipe through the reducer pipe and the gap. By means of the device, residues can rapidly and thoroughly fall off from the inner circumferential faces of the forward conical cylinder net and the reverse conical cylinder net.

The utility model discloses a fuel gas ejector and a burner, the fuel gas ejector comprises an ejector main body, a fuel gas inlet, a fuel gas outlet, a fuel gas inlet and a fuel gas outlet, the ejector main body is internally provided with a fuel gas channel in a penetrating manner; and the air injection guide piece is arranged at one end of the ejector main body, and the diameter of the air injection guide piece is gradually reduced in the direction away from the ejector main body. According to the fuel gas ejector provided by the utility model, when the fuel gas ejector ejects fuel gas, as the diameter of the air ejection guide piece is gradually reduced, compared with an air ejection guide piece with the same diameter, the fuel gas ejection speed is higher, more air is ejected, and the primary air ejection capability is better; the fuel gas ejector can guarantee the fuel gas ejection speed to the maximum extent and improve the air ejection capacity to the maximum extent, has positive and obvious effects on the combustion working condition and the heat efficiency index, and is simple in overall structure.

The invention provides a safe bearing device which comprises a communicating bottom platform, a hydraulic column base sleeve, a hydraulic piston, a bottom plate sleeve cover unit, a valve plate and a valve plate switch, a cavity is formed in the communicating bottom platform, and the cavity is filled with hydraulic oil; the hydraulic column base sleeve is installed on the communicating bottom platform, and the interior of the hydraulic column base sleeve communicates with a hollow cavity of the communicating bottom platform. The hydraulic pistons are arranged on the hydraulic column base sleeves in a sleeving mode, the hydraulic pistons and the hydraulic column base sleeves are in one-to-one correspondence, any hydraulic piston is sleeved with one bottom plate sleeve cover unit, the multiple bottom plate sleeve cover units are mutually spliced to form a storage platform, and a bearing object is placed on the storage platform formed by mutually splicing the bottom plate sleeve cover units in the using process. The bottom plate sleeve cover unit on the lower side of the bearing object is pressed to move downwards, the hydraulic piston moves downwards relative to the hydraulic column base sleeves at the same time and extrudes hydraulic oil in the hydraulic column base sleeves to be communicated with the bottom platform and the interiors of the other hydraulic column base sleeves, and therefore a pit is formed in the lower side of the bearing object, and the bearing object is placed in the pit to be limited.

This invention relates to the field of ultrasonic cleaning technology, and more particularly to an ultrasonic cleaning device with a wastewater filtration mechanism. The device includes a cleaning tank and a drain pipe disposed at the bottom of the cleaning tank. A filter device is coaxially and detachably inserted into the inlet of the drain pipe, with an annular gap between the outer periphery of the filter device and the inner surface of the drain pipe. The filter device includes a reducing pipe, a bottom pipe, a limiting ring, a base plate, a rotating rod, and a cleaning brush. The reducing pipe includes at least one set of positive and negative conical meshes, which are coaxially and fixedly connected. The bottom pipe is coaxially fixed to the bottom end of the reducing pipe. The limiting ring seals the top of the gap, allowing wastewater from the cleaning tank to flow into the drain pipe through the reducing pipe and the gap. This invention allows residues to be removed more quickly and thoroughly from the inner circumferential surfaces of the positive and negative conical meshes.

This application discloses a high-low pressure steam mixing heat pump, including a pump body. The pump body has an inlet chamber, a mixing chamber, and a diffusion chamber. The inlet chamber includes a high-pressure inlet chamber and a low-pressure inlet chamber, through which high-pressure steam and low-pressure steam are respectively introduced. A nozzle is opened at the end of the inlet chamber, which is connected to the mixing chamber. The high-pressure steam and low-pressure steam are mixed in the mixing chamber. The mixing chamber is connected to the diffusion chamber, and a diffusion port is opened at the end of the diffusion chamber, which is connected to the outside of the pump body. After the high-pressure steam and low-pressure steam are mixed, they enter the diffusion chamber and are ejected from the pump body through the diffusion port. The application also includes a valve, which includes a plug located in the pump body and movably disposed at the nozzle of the inlet chamber. The flow rate of the high-pressure steam and low-pressure steam ejected from the nozzle is controlled by moving the plug. The high-low pressure steam mixing heat pump designed in this scheme ensures effective mixing of high and low pressure steam and improves the ejection effect of heat pump steam by setting a valve at the connection between the high-low pressure inlet chamber and the mixing chamber and controlling the high and low pressure steam entering the mixing chamber through the plug of the valve.

The application discloses a steam ejector and an ejecting method, and belongs to the technical field of steam ejectors. The steam ejector comprises, from left to right, a receiving chamber, a mixing chamber and a diffuser chamber which are sequentially connected; the receiving chamber is provided with a nozzle at an inlet end; a fluid channel is arranged below the receiving chamber; the mixing chamber comprises a converging section and a throat section connected to a right end of the converging section; the converging section is in a hollow cylindrical shape; a drainage groove is arranged below an inlet end of the converging section, and the drainage groove is used for storing condensate generated due to phase change during movement of steam; a drainage hole is arranged below the drainage groove; an adjusting assembly is matched with the drainage hole, and the adjusting assembly is used for discharging the condensate accumulated in the drainage groove. The steam ejector can effectively solve the problem that the entraining performance is reduced due to accumulated liquid at an inlet of a mixing chamber of an existing steam ejector.

The invention discloses a secondary ejection mechanism for a seesaw of a mold device, an ejection method of the secondary ejection mechanism and the mold device. The ejection mechanism comprises a first ejector pin, a sliding seat, the seesaw and a first control pin. The first ejector pin is movably arranged on a first template unit of the mold device; the sliding seat is provided with a first sliding groove, and the moving track of the sliding seat at least comprises a first stroke and a middle stroke. The seesaw is provided with a driving end and a driven end, and the driven end of the seesaw is in transmission connection with the first ejector pin; the first control pin is in transmission connection with the driving end of the seesaw, the tail end of the first control pin of the sliding seat located in the first stroke is matched with the first template unit in an abutting mode, the sliding seat slides relative to the first control pin and drives the seesaw to swing, and the seesaw swings and drives the first ejector pin to move. The ejection mechanism has the advantages that the sliding seat drives the first ejector pin to move synchronously in the middle stroke, the sliding seat drives the first ejector pin to move through the seesaw in the first stroke to achieve speed change, the first ejector pin has the speed change in the whole ejection stroke, the production efficiency can be improved, and the ejection effect is improved.

The invention belongs to the technical field of aircraft heat management, and particularly relates to an active flow control stamping heat dissipation system which comprises an S-shaped air inlet flow channel, a heat exchanger, a heat exchanger outlet injection nozzle, a heat exchanger outlet flow channel and a heat exchanger outlet flow channel grating. An inlet of the S-bent air inlet channel protrudes out of the surface of an airplane, and is responsible for introducing ram air flow into the heat exchanger from an outlet after passing through the S-bent air inlet channel and cooling fluid on the hot side of the heat exchanger as a cold source on the cold side of the heat exchanger. According to heat exchanger outlet flow data obtained through flow calculation, a set of injection spray pipes are arranged on the side, with the low flow speed, of the outlet, and high-pressure gas led out of an engine or an auxiliary power device gas compressor is sprayed out of a nozzle after being conveyed through a connecting pipeline and mixed with cold edge air at the outlet of the heat exchanger; the air is discharged out of the machine through the grid at the outlet of the exhaust runner; due to the injection effect of the high-pressure airflow, the high-pressure airflow sprayed out of the injection spray pipe can accelerate cold-side air at an outlet of the heat exchanger, so that the cold-side flow of the heat exchanger is increased, and the overall heat dissipation performance of the heat exchanger is improved. The invention can effectively solve the problems of non-uniform inlet pressure and insufficient flow of the heat exchanger in the existing stamping heat dissipation system.