109results about How to "Uniform suction" patented technology

A vacuum suction head of the present invention can be applied to a large-sized liquid crystal display panel and can reliably suck an object to be sucked even if the object has undulation or flexure. The suction head has a shaft, which holds a suction pad, and gas is charged into and discharged from the suction pad through a suction hole. A casing holds the shaft through first and second springs so as to be movable in the axial direction. Since the suction pad is elastically supported by the springs, the suction pad can reliably suck the object to be sucked having undulation or flexure. The vacuum suction head can be used for a vacuum suction device and a working table.

The invention discloses an electrochemical machining array electrode which is characterized by comprising electrode units, an array electrode clamp, a power module and an electrode clamp joint. The electrode unit is a strip-shaped solid, or a thin-wall hollow or grooved structure; the electrode units are clustered to form an array electrode unit cluster; the array electrode unit cluster is clamped by an electrode unit clamp; the bottom end of the array electrode unit cluster can form an end surface of any contour shape; and if the electrode unit is a thin-wall hollow structure or grooved structure, the electromechanical machining array electrode also comprises an electrolyte module so that the electrode units realize liquid flushing or absorption, or partial liquid flushing and partial liquid absorption. Through the invention, the electrode production time of electrolytic formation machining can be obviously shortened, the cost and difficulty in the electrode production are reduced, the utilization rate of the electrode material is improved, and the machining efficiency and speed are improved; and meanwhile, the electric field and flow field during the electromechanical machining are homogenized, selective machining can be realized at different positions of the electrode, and the machining accuracy and quality are improved.

The present invention relates to a device for the treatment of a workpiece, in particular of a substantially flat substrate, comprising a table (2) for supporting the workpiece (5), a flow generation apparatus (6, 11) producing a gas flow (22) on a top face (17.1, 17.2) of the table (2) in a region between the workpiece (5) and the top face (17.1, 17.2) of the table (2), on which gas flow the workpiece (5) is supported during the treatment.

The invention belongs to a production device for ceramic fiber high-temperature gas filtering materials, and particularly relates to a molding die for a ceramic fiber filtering pipe. The molding die comprises a pipe-shaped body formed by buckling two half pipes. One end of the pipe-shaped body is provided with an end cover. The molding die further comprises a locking unit used for detachably locking the two half pipes and the end cover. Small pumping filtration holes are evenly distributed in the two half pipes and the end cover. Filtering cloth is laid on the inner wall of the pipe-shaped body and the inner wall of the end cover. Small pumping filtration holes are evenly distributed in the pipe-shaped body and the end cover, and when the die is filled with size containing ceramic fibers and is arranged in a negative-pressure environment, even suction force is generated on the pipe-shaped body and the end cover, the size in the die is sucked out, meanwhile, the ceramic fibers in the size can be attached to the filtering cloth laid in the die, the size containing ceramic fibers of different specifications is poured into the die multiple times to be subjected to pumping filtration, and a pipe wall with pores gradually changing can be formed.

The invention provides a driving device of an electromagnetic relay. The driving device comprises an iron core, a coil, a guide rod and a coil framework, wherein the coil is wound on the coil framework, the coil framework is internally provided with the iron core, the coil framework is internally sleeved with a sleeve, a plurality of permanent magnets are fixedly arranged between the sleeve and the coil framework, the iron core is arranged in the sleeve, the axial length of the sleeve is larger than the length of the iron core, the guide rod penetrates through two sides of the coil framework along an axial direction of the sleeve, and the guide rod and the iron core are fixedly connected. The iron core can be magnetized by the permanent magnets by utilizing homopolar opposite arrangement of the permanent magnets, a magnetic field can be generated in the coil when current flows through the coil, the magnetized iron core can be driven to do reciprocating motion along the axial direction of the coil framework, the iron core and the guide rod can restore to original status without reset devices such as a spring, the structure of the whole device is simplified, the stroke displacement of the iron core driving the guide rod to move is large, the requirement on long stroke is realized, and the flux leakage of the driving device of the electromagnetic relay, which is provided by the invention, is greatly reduced.

The invention discloses a battery separator producing system and method. The battery separator producing system comprises an AGM separator molding device, a drying device and an optical inspection device which are sequentially connected. The AGM separator molding device comprises a conveying net belt, two sets of vacuum water suction boxes and a circulation net belt, wherein the conveying net belt is used for driving an AGM separator, the vacuum water suction box is used for dewatering the AGM separator, and the circulation net belt is arranged above the conveying net belt and abuts against the top face of the AGM separator. The first set of vacuum water suction boxes act with the bottom face of the conveying net belt, and the second set of vacuum water suction boxes act with the side, opposite to the AGM separator, of the circulation net belt. The optical inspection device comprises a lamp box internally provided with a light emitting element. The side, facing the AGM separator, of the lamp box is provided with an inclined light inlet window. An air inlet is formed in the bottom of the lamp box and communicated with an air feeder. The top of the lamp box is provided with an air outlet facing the AGM separator. The slurry drying time can be shortened, the upper and lower planes of the molded AGM separator are flat, and the AGM separator performance is improved.

The invention relates to the technical field of conveying devices, in particular to a mechanical arm rotating sucker conveying device. The mechanical arm rotating sucker conveying device comprises a mechanical arm main body, a sucker assembly, an air pipeline assembly and a first air pipe, wherein the sucker assembly comprises a fixed component fixedly connected with the mechanical arm main body, a rotating component which is connected with the mechanical arm main body and rotates relative to the fixed component and a plurality of suckers which are connected with the rotating component and synchronously rotate with the rotating component; the air pipeline assembly comprises a plurality of first air pipeline structures arranged on the fixed component and a plurality of second air pipeline structures arranged on the rotating component, and the second air pipeline structures separately communicate with the suckers and an air path formed by the first air pipeline structures; and the first air pipe is connected with the first air pipeline structures of the fixed component. The service life of the mechanical arm rotating sucker conveying device is longer, economical losses can be reduced, and the production efficiency is increased.

The invention discloses a suction nozzle assembly, and the assembly comprises a suction nozzle body; a shell is arranged on the suction nozzle body, an inclined side wall is arranged on the shell, a dust collection cavity is formed by the suction nozzle body and the shell, an air inlet is formed in the bottom face of the suction nozzle body, and an air outlet is formed in the shell; airflow enters from the air inlet, flows through the dust collection chamber and is discharged from the air outlet, so the airflow flowing through the dust collection chamber is uniformly distributed. The invention further discloses a cleaning robot. The cleaning robot comprises the suction nozzle assembly. According to the suction nozzle assembly, the height from the air outlet to the ground is reduced, the average air speed in the dust collection cavity is increased, vortex airflow can be generated, the entrainment effect is enhanced, and therefore, the suction force to the ground and the negative pressure level are improved, the suction force below the air outlet is enhanced, and the dust particle conveying capacity is enhanced; transition areas from the two sides to the suction nozzle body are enlarged, so the suction force level is more balanced, and dust particle leakage caused by weak suction force is reduced.

The invention discloses a skin biopsy trepan, belonging to a medical instrument. The skin biopsy trepan comprises a drill rod, a drill bit and a handle, wherein a piston and a push-pull rod are arranged in the drill rod; the handle is vertically arranged on one side of the upper end of the drill rod; a sliding pin is arranged in the handle and is provided with a wedged head for positioning the push-pull rod; the drill bit comprises a drill bit main body, a circular cutter and a slide bushing; the slide bushing is positioned outside the drill bit main body; a return spring is arranged below the slide bushing; the circular cutter is arranged outside the slide bushing; the lower end of the drill bit main body is provided with a perforated plate; and the lower end of the perforated plate is provided with a rubber pad. The skin biopsy trepan has the advantages of rational structure, convenience in operation and capabilities of greatly improving the sampling efficiency of pathological specimens and reliving the pain of a patient.

The invention discloses an abrasive paper holder used for the process of manually polishing the wall top surface of a living room. The abrasive paper holder comprises a handle, an air outlet device, bottom plates, a soft body, bottom plate cover plates and an air inlet device, wherein the air outlet device is matched with the cross section of a hose of a dust suction device, and the air inlet device is arranged at the position, around the soft body, of the bottom faces of the bottom plates. The abrasive paper holder is hollow, the air outlet device, the air inlet device and a cavity inside the abrasive paper holder are communicated, devices for fixing abrasive paper are arranged inside the front portions and the rear portions of the bottom plates of the abrasive paper holder, and demountable devices are arranged at the positions, adjacent to the devices for fixing the abrasive paper, of the front portions and the rear portions of the bottom plates.

The invention provides a dust collecting barrel of a sewing machine. The dust collecting barrel comprises a sewing machine, a controller arranged on the sewing machine and a barrel body. An opening is arranged in the upper end of the barrel body. A barrel cover covers the opening of the barrel body. A protection cover is fixedly installed on the barrel cover. A brushless motor is erected in the protection cover. A control system is connected to the brushless motor, a switch and a speed adjusting knob. A wind blade is connected to the brushless motor and arranged in the barrel body. A filtering core covers the wind blade. A handle is arranged on the protection cover. Multiple air discharging openings are arranged in the protection cover. A cloth sucking mouth, a first line sucking mouth and a second line sucking mouth are arranged in the barrel cover, and are communicated with interior space of the barrel body. The control system is connected with a plug. The dust collecting barrel is capable of collecting dust without cooperation of an external air source, so a problem of high noise during dust collection is avoided and the dust collecting device is applicable more widely.

The invention relates to an automatic assembling machine with product protection for the multiple components of a motor rotor spindle. The automatic assembling machine comprises a work mesa which is provided with a feeding device, a first processing base, a second processing base and a discharge device in turn. The side of the work mesa, located in the first processing base and the second processing base, are provided with an assembling device. A pro-transporter for switching a location of the motor rotor spindle in turn is arranged between the feeding device and the first processing base. A post- transporter for switching a location of the motor rotor spindle in turn is arranged among the first processing base, the second processing base and the discharge device. Each motor rotor spindle holder is provided with a first electromagnet with same distance, and each inside of a placed groove is provided with a second electromagnet. According to the above scheme, the automatic assembling machine with product protection for the multiple components of the motor rotor spindle is provided, which can avoid the product dropping out in a transit.

A negative pressure dust collection structure aims to be used on a power tool which is coupled with an application tool operable in a working space surrounded by a dust collection hood. The dust collection hood includes at least one flow conduction vent communicating with an airflow duct through a negative pressure enhancing duct. The negative pressure enhancing duct has a negative pressure enhancing chamber communicating with the flow conduction vent. The negative pressure enhancing chamber is formed at a cross section shrunk gradually from the flow conduction vent towards the airflow duct to increase suction of the negative pressure enhancing duct to collect dust in the dust collection hood. Moreover, the negative pressure enhancing chamber has an opening edge mating the shape of the inner side of the wall of the dust collection hood to increase covering range of the airflow.

The invention discloses hydraulic semi-automatic constant-pressure grinding and polishing equipment which is used for preliminarily grinding and polishing test samples and comprises a mounting seat, fixing devices and turntables. The turntables are rotationally arranged on the mounting seat, each fixing device comprises a support, a first driving device and a clamping mechanism connected with the driving device, both each first driving device and the corresponding clamping mechanism are mounted on the corresponding support, the supports are detachably arranged on the mounting seat, the test samples are fixedly clamped by the claming mechanisms, the first driving devices drive the clamping mechanisms to drive the test samples to approach to the turntables or leave away from the turntables, and the test samples are preliminarily ground and polished by the turntables. The hydraulic semi-automatic constant-pressure grinding and polishing equipment has the advantages that the hydraulic semi-automatic constant-pressure grinding and polishing equipment is simple in structure and small in occupied space, can be operated easily and conveniently and is safe, stable and portable, the test samples can be automatically ground and polished by the hydraulic semi-automatic constant-pressure grinding and polishing equipment, the test sample manufacturing efficiency and qualification can be improved, and the practicality of the hydraulic semi-automatic constant-pressure grinding and polishing equipment can be enhanced.

The invention provides a support plate for a flat sheet membrane element. The support plate comprises a rectangular main body and two water collection pipes, wherein the two water collection pipes are respectively fixed on the left side and the right side of the rectangular main body; ten to twelve first longitudinal flow guide grooves and two first transverse flow guide grooves are formed in the front surface of the rectangular main body; the two first transverse flow guide grooves are respectively positioned at the upper end and the lower end of the ten to twelve first longitudinal flow guide grooves and are respectively communicated with the ten to twelve first longitudinal flow guide grooves. According to the double water collection type flat sheet membrane element and the support plate thereof, flow guide passages are utilized for running through the longitudinal flow guide grooves and the transverse flow guide grooves in the two surfaces of the support plate, so that water can smoothly flows in the flow guide grooves during water collection, and the subjected resistance is greatly reduced when the water comes out, so that the transmembrane pressure of the system is reduced, the operation consumption of the system can be greatly reduced during suction and drainage, and the water production efficiency is also improved.

The invention belongs to the technical field of cloth production and processing, particularly relates to a steam sterilization device for furniture surface cloth production, and aims to solve the problems that the humidity of cloth is greatly increased, the follow-up drying process is slow, and the overall treatment efficiency of the cloth is reduced due to the fact that the surface wall temperature of the cloth is relatively low and steam is liquefied when cooled in the steam sterilization process. According to the scheme, the device comprises an outer box, a semicircular base is fixedly connected to the inner wall of the bottom of the outer box, a lamp box is fixedly connected between the inner walls of the two sides of the semicircular base, a plurality of grooves are circumferentially formed in the outer wall of the lamp box at equal intervals, and an infrared lamp tube is fixedly connected between the inner walls of the two sides of each groove. Cloth before steam sterilization is heated through the infrared lamp tubes, the temperature of the cloth is increased, and the situation that in the subsequent steam sterilization process, due to the fact that a large amount of steam is condensed and liquefied due to the low temperature of the surface of the cloth, the humidity of the cloth is greatly increased, the drying time after steam sterilization is prolonged, and the treatment efficiency of the cloth is reduced is avoided.