31results about How to "No contact" patented technology

The invention discloses a building electrical socket and an application method thereof. The building electrical socket comprises an electrical socket body for electrical connection after a plug is inserted. An upper end limiting block, an insertion hole, a metal elastic sheet, a built-in anti-pulling assembly, an abutting arm and a built-in auxiliary pulling assembly are arranged in the electrical socket body. The plug has the following advantages and effects that the two abutting arms in the built-in anti-pulling assembly can abut against the inner sides of the two metal insertion pieces respectively, so that anti-pulling control over the plug is achieved; the built-in pull-assisting assembly can jack up the plug after the two abutting arms are separated from the two corresponding metal insertion sheets, so that the two metal plugs are separated from the corresponding metal elastic sheets, and a user can easily and safely pull out the plug without contact. According to the invention, the built-in anti-pulling structure and the built-in auxiliary pulling structure are arranged in the electrical socket body together, so that the electrical socket has anti-pulling and auxiliary pulling functions, and integration is realized through linkage.

The application belongs to the technical field of electric appliance circuit, and particularly relates to a sound equipment and an audio power amplifier static current adjusting method, which comprises a playing assembly, the playing assembly comprises a shell, an adjusting device is arranged on the inner side of the shell, and the sampling end of the adjusting device comprises a digital potentiometer, a seventh resistor, a seventh NPN triode, a connection upper end and a connection lower end. The audio power amplifier in the existing sound equipment can change the static current after temperature change due to the triode characteristics, which not only affects the hearing and the index, but also can cause the power amplifier burning in the case of positive feedback of temperature and current in the serious case. The traditional audio power amplifier often uses a temperature-sensitive resistor to stabilize the static current, and the working principle determines that the static current cannot be accurately maintained, and only the working range can be ensured. Moreover, due to the temperature sampling point, the effect is often poor.

This invention discloses a dual-station automatic rust removal device for pipe ends, combining laser and mechanical processes, based on a hoisting system, relating to the field of metal pipe surface treatment technology. The device includes a gantry crane mechanism and at least two parallel combined grinding stations. Each combined grinding station includes a combined rust removal device and a roller support mechanism. The roller support mechanism is equipped with actively driven rollers that can rotate the pipe at a uniform speed around its own axis. The combined rust removal device integrates an outer wall rust removal unit, an inner wall rust removal unit, and a positioning unit. Each rust removal unit includes mechanical grinding components and laser rust removal components. The positioning unit enables automatic alignment of the pipe end, simultaneously completing graded rust removal operations on the inner and outer walls of the pipe end. This invention employs a dual-station parallel layout to improve overall operational efficiency, combines mechanical coarse grinding with laser fine rust removal to ensure rust removal quality, integrates a negative pressure dust removal structure, and combines the advantages of high automation and clean operation, adapting to large-scale pipe end rust removal needs.

This invention discloses a method for testing the strength of engineering plastics. It addresses the problem of over-reliance on operator subjective experience and inconsistent judgment standards in determining the ultimate force of engineering plastics. This invention quantifies the difference between bending force and inversion stress, sets a standardized error threshold, and accurately determines whether the two sets of force values ​​exhibit an arithmetic progression. This objectively distinguishes between valid and abnormal detections from a data perspective. For abnormal detections, a retest signal can be directly generated to quickly locate problems such as loose clamping or excessive force loss, reducing invalid detections. For normal test data, a progressive logic of difference range prediction and inversion stress range verification accurately pinpoints the ultimate force of the engineering plastic, clearly distinguishing between the normal buffer deformation stage, the stage of buffer elasticity depletion and synchronous change, and the critical fracture large bending stage.

The invention relates to a permanent magnet motor, in particular to a modular three-stator bearingless stator permanent magnet motor structure. According to the motor, the torque magnetic flux and the suspension force magnetic flux are separated in space, the decoupling degree can be improved, and then the control difficulty is reduced. Comprising a stator assembly, a rotor assembly and a casing assembly. The stator assembly comprises a C-shaped stator, a C-shaped suspension stator assembly and a yoke-free stator assembly. The C-shaped stator and C-shaped suspension stator assembly comprises a plurality of C-shaped stator components, C-shaped suspension stator components and a C-shaped stator frame, and the C-shaped stator components and the C-shaped suspension stator components are evenly distributed along the circumferential inner wall of the C-shaped stator frame and connected together through the C-shaped stator frame. The yoke-free stator assembly comprises a yoke-free stator frame and a plurality of yoke-free stator components, and the plurality of yoke-free stator components are distributed at equal intervals along the circumferential inner wall of the yoke-free stator frame and are connected together through the yoke-free stator frame. And the yoke-free stator assembly is positioned inside the C-shaped stator and the C-shaped suspension stator assembly.

The application discloses a rotor supporting device with synchronous vibration of a gas cushion wall and a cushion lifting disc in a gas cushion, wherein the gap between the cushion lifting disc and the gas cushion wall can be very small due to the synchronous vibration of the gas cushion wall and the cushion lifting disc, so that the sealing effect is better, and the gas cushion wall and the cushion lifting disc cannot be contacted, and the safety is not affected. Independent axial bearings are arranged between the top of the cushion lifting disc and the inner top wall of the gas cushion wall, so that a heavier metal gas cushion wall can be used, the metal gas cushion wall has better machining precision, and the machining precision is high, so that the gap between the gas cushion wall and the cushion lifting disc can be reduced.

The invention relates to a method for detecting the coating quality of a laminated core pole piece. The method comprises the following steps: selecting at least two target right-angle positions according to the shape of a to-be-detected laminated core, and presetting a distance value; emitting X-rays forming a preset angle with the central axis of the laminated core to at least two target right-angle positions of the laminated core, and receiving the X-rays penetrating through the laminated core to obtain at least two images; obtaining the distance between the projections of any adjacent positive plate and negative plate end points of the laminated core at the corresponding target right-angle position according to each image, and defining the distance as the positive and negative pole difference; and obtaining the maximum positive and negative pole difference of each target right-angle position, comparing the maximum positive and negative pole difference of each target right-angle position with a preset distance value, and judging the coating quality between the positive and negative poles of the to-be-detected stack core according to a comparison result. According to the method, the distance (positive and negative pole difference) between the end point projections of any adjacent positive pole piece and negative pole piece is calculated according to the imaging, and is compared with the given preset distance value, so that the coating quality grade of the battery cell is judged, and the coating quality control of the battery cell is realized.

The utility model relates to the technical field of foot switches, and provides a foot switch which comprises a support, two pedals, two driving frames, a deflector rod, a driving rod, an opening mechanism and a closing mechanism, a valve is arranged in the support, the two pedals are rotatably arranged in the support, the two driving frames are slidably arranged in the support, and the deflector rod is arranged on the driving frame. The two driving rods are arranged on the valve, the two driving rods are both arranged on the valve, sliding grooves are formed in the two driving rods, the driving rods are arranged in the two sliding grooves in a sliding mode, the driving rods are arranged between the two driving frames, the opening mechanism is arranged in the support, and the closing mechanism is arranged in the support. The problem that in the prior art, when the hands of a worker are covered with residues, the residues are prone to adhering to a valve of a water pipe when the worker washes the hands, and use of people behind is prone to be affected is solved.

This application relates to an electrolytic cell for screen printing stencils, belonging to the field of screen printing stencil technology. It includes a cell body with an inlet pipe and an outlet pipe. Multiple limiting plates are fixed to both sides of the inner wall of the cell body, and the limiting plates are vertically arranged. The space between adjacent limiting plates is for the screen printing stencil to enter. Each limiting plate has a through-hole for installation. Two limiting rods pass through the cell body, passing through positioning holes in the screen printing stencil and into the installation slots. At least two sets of installation slots are arranged vertically. The side wall of the cell body has through holes for the limiting rods to pass through. The technical advantages of this application are: high stability of the screen printing stencil after installation, no contact between adjacent screen printing stencils, and full contact between the screen and electrolyte; the method of picking up and putting in screen printing stencils one by one facilitates operation and has good applicability to screen printing stencils of different sizes.

The application discloses a near-constant force magnetic spring device based on edge magnetic field compensation and a force value regulation method thereof, and belongs to the technical field of electromechanical elements and precision machinery. The device comprises a magnetic circuit pair composed of a mover and a stator coaxially sleeved, the mover is a cylindrical permanent magnet with radial magnetization, the stator is a sleeve of soft magnetic material, the axial length of the sleeve is less than the axial length of the permanent magnet; and an adjusting and connecting mechanism for adjusting the initial insertion depth of the permanent magnet. The application actively shapes the force-displacement curve by regulating the permanent magnet parameters, the radial single-sided air gap, the sleeve length and other magnetic circuit parameters, and combines with the initial insertion depth fine adjustment, so that the approximately constant axial magnetic elastic force can be generated within a wide working stroke. The device is non-contact and non-friction, the force value characteristics can be designed, and is suitable for occasions such as gravity compensation, vibration isolation and constant force suspension.

The present invention relates to the technical field of grinding and polishing, and discloses a filter housing polishing device, including a housing, and also including: an outer ring plate, which is rotatably arranged in the housing, and a plurality of blades arranged circumferentially are rotatably arranged on the outer ring plate; an inner plate, which is sleeved in the outer ring plate, and the inner plate and the plurality of blades are linked by a linkage; a shaft rod, which is axially slidably arranged, and the bottom of the shaft rod is fixedly connected to the axis of the inner plate, and the shaft rod is connected to the motor through a coupling tube; a fastening ring, which is screwed on the shaft rod and is used to lock the shaft rod in the upper limit position and the lower limit position. The present invention only needs the same polishing equipment to realize the grinding process and the polishing process, and can blow away the dust particles during the grinding process to avoid the adverse effects of the dust particles on the grinding, and can prevent the polishing agent from clogging the equipment vents during the polishing process.

The utility model discloses a magnetostrictive displacement telescopic sensor device, and relates to the magnetostrictive displacement sensor technology field, the magnetostrictive displacement telescopic sensor device comprises a magnetostrictive displacement sensor body, the magnetostrictive displacement sensor body comprises an electronic cabin, a screwed joint, an ear plate, a feeler lever and a sealing ring, one side of the electronic cabin is externally connected with the screwed joint, and the other side of the electronic cabin is externally connected with the ear plate. A lug plate is integrally fixed to the edge of the other side of the electronic bin, and a probe rod is externally connected to the rear end of the electronic bin. According to the magnetostrictive displacement sensor device provided by the invention, the lug plate is additionally arranged on the side surface of the electronic bin, when the electronic bin is inserted into the mounting groove in the side surface of the front end plate, the position of the lug plate is matched with the position of the counter bore in the side surface of the mounting groove, and the electronic bin is further fixed in the mounting groove through the screw; the magnetostrictive displacement sensor can be installed and fixed only through one screw, the operation is simple and convenient, the use of non-standard fasteners can be greatly reduced, and the assembly cost is reduced.

This invention provides a granulation device and method for traditional Chinese medicine (TCM) granules, relating to the field of TCM granulation. The TCM granulation device includes a frame, a pulverizing mechanism, a high-temperature extraction slurry assembly, and a dry mud granulation assembly, all fixedly installed within the frame. The pulverizing mechanism pulverizes the TCM and transfers it to the high-temperature extraction slurry assembly, where it heats and extracts the medicinal liquid. Finally, the liquid is pushed by steam to the dry mud granulation assembly for drying and granulation. This TCM granulation device and method eliminate the need for additional removal of the TCM powder. The steam not only heats the powder but also forms a medicinal liquid. Furthermore, the steam utilizes its high temperature and pressure to propel the medicinal liquid to the next stage, preventing contact between the liquid and external pumping components, thus reducing the probability of contamination. The steam continuously extracts components from the medicinal liquid, saving energy used in decocting TCM. The medicinal liquid is never removed and remains free from contact with the external environment.

The utility model discloses a kind of range hood and cookers, it is related to the technical field of household appliances, comprising: shell, built-in motor, the motor can drive range hood rotation, the bottom of shell front side wall is provided with control panel;Camera module is set on the control panel, the camera module is located at the center of shell front side wall, the camera module includes module main body, the module main body is fixedly connected with several infrared camera and image camera, the infrared camera is distributed in the left and right sides of the image camera;Camera module real-time acquisition cooker area image information and dynamically adjust the wind power of range hood, improve energy efficiency, improve user experience satisfaction, camera module is set in the center position of control panel horizontal direction, can only be gathered to the image information of at least two cookers burner by one camera module.

The invention discloses a live pig body temperature rapid detection method based on image registration and multivariate information fusion, and relates to the technical field of animal husbandry facilities and detection. The method comprises the following steps: (1) setting up a device (S1); (2) image registration (S2); (S3) data acquisition; (S4) key point detection; (5) model training (S5); (6) deploying the model (S6); 7, body temperature detection (S7). According to the method, the infrared thermal image and the RGB image are registered, so that the imaging error caused by a single imaging source is prevented, and the details of the key area of the live pig to be detected are effectively improved; the robustness and the accuracy of infrared temperature detection are improved by acquiring the environment information, the temperature information of the key area and the temperature difference and inverting the real body temperature of the live pig by using the multi-layer perceptron neural network.

The invention discloses a pumped storage power station operation key target detection method and device, and the method comprises the steps: inputting a collected image into a trained first-stage region detection model, and outputting a region detection result image; inputting a region detection result image into the trained two-stage key target detection model, and outputting a pumped storage power station operation key target detection result; wherein the first-stage region detection model is used for performing region division on an image of a region where the pumped storage power station is located to obtain a plurality of sub-images of a set category; and the two-stage key target detection model is used for carrying out key target detection on each sub-image by using windows with different scales. The method improves the accuracy and efficiency of detection, can effectively achieve the intellectualization of hidden danger detection, has the advantages of being wide in coverage range, free of contact, rapid, efficient, high in economical efficiency and the like, provides technical support for intelligent and digital management of the pumped storage power station, and has important practical significance.

The utility model discloses a bearing sleeve ring double -sided grinding device relates to bearing processing technical field, and the problem that the background technology proposes, and the following scheme is presented, including support platform, the left and right sides of support platform all are fixedly connected with support frame, and the opposite side of two support frames all is fixedly connected with support rod, and the opposite end of two support rods is fixedly connected with clamping assembly. The utility model discloses the cooperation setting of clamping assembly, bottom grinding assembly and top grinding assembly, when using, can utilize five clamping frames to fix five sleeve rings in the circular frame in the air simultaneously, and the bottom is contacted with bottom grinding disc, and the movable frame is driven to move down and lets top grinding disc and the upper surface of sleeve ring contact with the driving slider and branch transmission rod of second motor through screw rod, can carry out grinding processing to five sleeve rings simultaneously, can also adjust the down distance of top grinding disc freely, and the operation of adjusting according to the sleeve ring of different thickness is convenient, and the flexibility is higher.

The utility model discloses desulfurization spray atomization equipment for industrial flue gas dust removal, which comprises a flue gas treatment bin main body, and a bin door is mounted at one end of the flue gas treatment bin main body; the flue gas treatment bin comprises a flue gas treatment bin main body, a water distribution mechanism for spraying flue gas is arranged on the flue gas treatment bin main body, the water distribution mechanism comprises a mounting column, the mounting column is mounted at the bottom of the interior of the flue gas treatment bin main body, a mounting shaft penetrates through one side of the mounting column, and a cylindrical water distributor is mounted at one end of the mounting shaft. The flue gas treatment bin main body is provided with the driving assembly, the barrel-shaped water distributor is provided with the transmission mechanism, and the water distribution mechanism is located at the center of the flue gas treatment bin main body, so that the barrel-shaped water distributor can spray flue gas around, and meanwhile, the water distribution mechanism can rotate in a reciprocating manner; furthermore, the flue gas is uniformly and sufficiently sprayed, so that the spraying liquid which is not neutralized and saturated is ensured to be in contact with the flue gas, and the treatment effect is further ensured.

The utility model belongs to the field of additive manufacturing, and relates to a powder compaction device which comprises a vibration executing mechanism, a driving control system and a monitoring and feedback system. The vibration executing mechanism faces the powder to be compacted; and the monitoring and feedback system is connected with the vibration executing mechanism through the driving control system. According to the powder compaction device, sound wave parameters can be accurately adjusted according to production requirements, and meanwhile the forming efficiency is improved.

The invention provides a system and method for triggering solidification and energy release of a supercooled hydrated salt solution through magnetic attraction friction. The system consists of a fixed bracket, a disc, a magnet fixing device, a hoop, a cushion block, a motor, a magnet, a supercooled hydrated salt solution, a bearing steel ball, a heat storage unit, a power supply, a temperature data acquisition instrument, a four-wire system PT100 film platinum resistor and a computer. The fixing support, the disc and the magnet fixing device are used for fixing magnets. The hoop and the cushion block are used for fixing the heat storage unit; the motor is used for applying external force to the magnet; the magnet is used for applying a magnetic field to the bearing steel ball, magnetic attraction friction is generated under the driving of the motor, and the supercooled hydrated salt phase change material is caused to solidify and release energy; the supercooled hydrated salt solution is used for storing heat; the bearing steel ball is used for cooperating with the magnet to trigger the hydrated salt solution to solidify and release energy; the power supply is used for rotating the motor; the temperature data acquisition instrument is used for collecting temperature data measured by the four-wire PT100 film platinum resistor; the four-wire PT100 film platinum resistor is used for measuring the temperature change of the surface of the small heat storage tank in the energy release process of the supercooled hydrated salt phase change material; and the computer is used for recording and displaying the temperature data. The defects that other triggering modes are complex (such as ultrasonic waves), induction time is too long (such as local low temperature), a heat storage container is prone to being damaged (such as mechanical vibration) and the like are overcome, the method has the advantages of being easy and effective to operate, short in triggering time, free of contact with samples and the like, pollution is avoided, and long-term use of the system is facilitated.

The invention relates to the field of ear image feature extraction, and provides a novel method based on ear image feature extraction and corresponding to a human body constitution. The method aims at evaluating the health state of an individual by analyzing ear image characteristics, and providing personalized health management suggestions according to the health state. According to the method, key features are extracted from the auricle image by using an image processing technology, and are combined with the traditional Chinese medicine constitution theory, so that the human health condition is effectively evaluated. In addition, the invention also discusses the application value of ear image characteristics in traditional Chinese medicine diagnosis, and opens up a new path for the combination of traditional medicine and modern science and technology.

This invention belongs to the field of medical testing equipment technology, specifically an intelligent anti-loosening chest breathing effort testing device with a magnetic quick-change probe. The proposed solution includes: a magnetic suction mechanism, one end of which is fitted with a sleeve tube. This mechanism enables quick magnetic attachment and disassembly of the probe to the device body, and forms an intelligent anti-loosening seal through the magnetic attraction and elastic structure, preventing the probe from falling off and leakage of the patient's exhaled air during testing; and a testing mechanism, with both ends fixedly mounted on the other ends of the two magnetic suction mechanisms. This invention utilizes a Tesla valve structure composed of a right side plate, a left side plate, and a mounting plate to create an asymmetric resistance airflow channel. During inhalation, the airflow passes through quickly; during exhalation, the airflow is guided by a triangular diverter and flows along the surfaces of the right and left side plates, creating a counter-impact. This counter-impact significantly increases exhalation resistance, ensuring the required airflow power for testing while greatly reducing the respiratory burden on the tester.

This utility model relates to a dishwasher, including a tub with a washing chamber inside; a water tank located below the tub, the water tank and the tub being connected by a return pipe that allows water to flow from the water tank towards the tub; a waste basket located at the bottom of the tub, the top of the waste basket being open as a water inlet located in the washing chamber, and the waste basket extending into the water tank, the waste basket having drainage holes on its side and bottom walls; a cover plate movably mounted on the top of the waste basket, the cover plate being driven and connected to a drive mechanism to open or close the waste basket's water inlet; the dishwasher also includes a water inlet pipe for supplying water to the tub, the water inlet pipe being connected to the return pipe. When it is not necessary to filter the residue in the washing water, and only the washing water is needed to rinse the dishes, the cover plate can be used to close the waste basket's water inlet, so that the washing water will not flow through the waste basket or come into contact with the residue in the waste basket, avoiding contamination of the washing water by the residue.

The utility model discloses a self-locking type silent three-rail sliding door which comprises a supporting frame and three door frames, the three door frames are all located in the inner space of the supporting frame, the bottom positions of the three door frames are all provided with abutting assemblies, and each abutting assembly comprises an abutting pipe which is connected with the outer wall of the bottom of the corresponding door frame in a sliding and inserted mode. The abutting pipe is fixedly connected with the door frame through bolts, the two ends of the abutting pipe are each slidably connected with a mounting sleeve in an inserted mode, the two mounting sleeves are fixedly connected with the abutting pipe through bolts, the inner wall of the top of the mounting sleeve close to the supporting frame is fixedly connected with a mounting plate, and the inner wall of the top of the mounting plate is rotationally connected with a lead screw; by arranging the abutting assembly, the front section of the sliding wheel in the moving direction can be cleaned, so that it is guaranteed that impurities on the outer side of the sliding rail cannot be in contact with the sliding wheel, and the situation that normal use of the sliding wheel is affected by the impurities is effectively avoided.

The utility model relates to physical sterilization and insect killing equipment for a greenhouse, and aims to solve the technical problem that pesticide is used for killing insects in the greenhouse, and the residual is serious. According to the technical scheme, the device comprises an acceleration air pipe module, an ionization air generator module and a control module, an acceleration air pipe comprises a taper pipe small-opening straight pipe section, a taper pipe section and a taper pipe large-opening straight pipe section and is fixedly arranged in a shell, and the ionization air generator module comprises an ionization air generator shell, a second axial flow fan and an ionization air generator assembly. The ionization air generator shell is fixedly arranged on the top face of the outer shell, the ionization air generator assembly is fixedly arranged in the ionization air generator shell, the two axial flow fans are arranged at inlets of the ionization air generator shell and the outer shell respectively, and the control module comprises a controller, a clock and a timer. The controller is electrically connected with the two axial flow fans and the ionization air generator assembly. Pesticide residues of fruits and vegetables can be greatly reduced, and safe and effective effects can be achieved by applying pesticide according to set time and dosage.

The application relates to a digital control gain high-fidelity input amplification circuit which comprises an MCU, an analog switch U17, an operational amplifier, an electronic volume controller U16, the 7th and 8th pins of the analog switch U17 are connected to the IO output high-low level signals of the MCU, the analog switch U17 is connected to the operational amplifier, the operational amplifier is connected to the electronic volume controller U16, and the MCU is also connected to the electronic volume controller U16. The circuit of the application is composed of an SGM4519 analog switch, an NJM2122M operational amplifier (the highest gain is 28.95dB) and an NJW1195A electronic volume controller (the highest gain is 31.5dB), a high-fidelity adjustable gain amplifier with a total gain of 60.45dB is realized, and the control mode can be diversified, for example, a potentiometer control, an encoder control, a button control or an upper computer control.

The utility model discloses a clothes rack for jersey production, which comprises a first fixing frame, the top of the first fixing frame is fixedly connected with a second fixing frame, both the first fixing frame and the second fixing frame are n-shaped, the bottom of the first fixing frame is provided with a moving assembly, one side of the second fixing frame is provided with a motor, and the motor is connected with the first fixing frame. The output end of the motor is fixedly connected with a first rotating shaft, the first rotating shaft extends into the second fixing frame, a transmission assembly is arranged outside the first rotating shaft, a rotating assembly is arranged at the top of the inner wall of the first fixing frame, and a sliding assembly is arranged at the top of the inner wall of the first fixing frame; by means of the structure, when the high-value jersey is stored, the direction of the supporting rod faces a worker, so that the phenomenon that the jersey makes contact with other jersey does not occur when the jersey is stored, and the jersey is greatly convenient to use by the worker.

The invention provides a precise air motorized spindle for wafer chamfer cutting. The precise air motorized spindle comprises a spindle rotor, a driving motor, a front air bearing, a rear air bearing, a cooling water jacket, a rear thrust bearing, a front cover, a rear cover and a shell sleeve. The main shaft rotor is installed in the driving motor, the front end and the rear end of the main shaft rotor are sleeved with the front air bearing and the rear air bearing respectively, the cooling water sleeve is arranged on the outer sides of the front air bearing, the driving motor and the rear air bearing in a sleeving mode, and the rear thrust bearing is located on the outer side of a flying disc of the main shaft rotor. The front cover and the rear cover are located on the front side of the front air bearing and the rear side of the rear thrust bearing respectively and installed on the cooling water jacket, and the outer side of the cooling water jacket is sleeved with the shell sleeve. According to the precise air motorized spindle, the problems that a traditional wafer chamfering machine is insufficient in precision, large in vibration, fast in abrasion and the like are solved, the reliability of the whole system is improved, the service life of the whole system is prolonged, and a more efficient and more precise solution is provided for the semiconductor manufacturing industry.

The present invention provides a packaging system, including a stacking device, a pushing device, a picking device and a transferring device; the stacking device includes a collecting device and a pushing device; the collecting device includes a collecting jig, a collecting support plate and a collecting driving device; the pushing device is spaced apart from the stacking device, the pushing device is arranged above the collecting jig, and the pushing device is used to push the sub-cut objects on the collecting jig into the corresponding dropping channel; the pushing device is arranged on the side of the material dropping position facing away from the pushing position, and is used to push the sub-cut objects at the material dropping position to the pushing position; the picking device is spaced apart from the collecting support plate, and the picking device is used to clamp the stacked sub-cut objects and transport them to a designated workstation; the transferring device is arranged on one side of the picking device, and the transferring device is used to move the sub-cut objects stacked at the designated workstation to the packaging workstation, so as to facilitate the collection of the sub-cut objects.

The application discloses a magnetic fluid sealed shaft assembly, a shielded motor and a shielded pump. The shaft assembly comprises a shell provided with a containing cavity, a fixed structure arranged on the inner wall of the containing cavity, a rotating shaft supported and arranged in the containing cavity, a magnetic fluid sealing device arranged in the containing cavity, an inner sleeve sealingly and fixedly sleeved on the rotating shaft, a space reserved in the shell for the magnetic fluid sealing device to jump with the rotating shaft and / or adjust the installation angle and position, and an elastic member sealingly installed on the outer sleeve of the magnetic fluid sealing device and sealingly connected with the fixed structure. The structure compensates for the influence of insufficient precision of the flatness of the fixed structure, the perpendicularity of the rotating shaft and the fixed structure, the coaxiality and the axial and radial jumping of the rotating shaft by the elastic installation of the magnetic fluid sealing device, eliminates the additional axial force, radial force, external torsional force and static indeterminate force suffered by the bearing in the magnetic fluid sealing device during work, and enables the magnetic fluid sealing device to be applied to pump products and the like, so as to ensure the sealing effect of the pump products and the like.