115 results about "Cleaning needle" patented technology

The utility model discloses a cleaning needle for removing stains on the inner wall of a flared pipe. The cleaning needle is characterized by comprising a needle seat, a needle rod integrally connected with the needle seat, and a needle cone positioned at the end part of the needle rod, the appearance of the needle base is larger than the outer diameter of the needle rod, a compressed air injection hole is formed in the needle base and the needle rod in the axial direction, an air injection hole is formed in the bottom end of the compressed air injection hole, and the needle rod is longer than a flaring forming inner hole of a machining pipe. A series of problems of complicated production process, sewage and VOC discharge, low production efficiency, high cost and the like of traditional technologies such as water-based cleaning agent cleaning and solvent cleaning are solved, stains are cleaned, the structure is simple, one cleaning needle can be used for a long time, hardware such as a compressor can be integrated into other compressed air nets of a workshop after being put into one time, and the cost is low. No special operation environment requirement exists, and the comprehensive cost is low.

The invention discloses a synthetic leather nascent fiber melt extrusion device and a use method, and belongs to the technical field of spinning machines.The synthetic leather nascent fiber melt extrusion device comprises a shell, an injection pipe is installed at the position, close to the upper end, of the left side of the shell, a conveying pipeline is installed at the position, close to the lower end, of the right side of the shell, and a spinneret plate is installed at the right end of the conveying pipeline; and a filter cartridge is mounted in the shell. The motor can drive the filter cartridge to rotate and dynamically change the filtering area, so that the possibility of blockage of the filtering holes is effectively reduced, the uniformity of the filtering process is ensured, excessive blockage of the local filtering area is avoided, and when the filter cartridge rotates, the touch block is utilized to touch the touch switch, so that the filtering efficiency is improved. The electromagnet is instantly controlled to drive the cleaning needle to automatically clean impurities and small bubbles in the filter holes, then the small bubbles are discharged in time by using vibration force during cleaning, and the problem that the bubbles penetrate through the filter holes due to pressure deformation, and spinning is interrupted is solved.

The utility model belongs to the field of medical instrument detection equipment, and provides a reaction cup cleaning needle assembly and a reaction cup cleaning device.The cleaning assembly comprises a cleaning arm and at least two cleaning modules, each cleaning module comprises a liquid injection needle, a water injection needle and a liquid drainage needle, and the same preset distance is arranged between every two adjacent cleaning modules; the liquid injection needles located on the different cleaning modules are used for injecting different cleaning liquids, and a user can select different cleaning liquids according to actual cleaning requirements. The utility model further provides a reaction cup cleaning device which comprises the cleaning assembly, a cleaning liquid barrel, a purified water barrel and a waste liquid barrel, the number of the cleaning liquid barrels is matched with that of the cleaning modules, the plunger pump is arranged between the cleaning liquid barrel and the liquid injection needle, the accurate using amount of the cleaning liquid is further increased, waste of the cleaning liquid is avoided, and the cleaning efficiency is improved. The cleaning cost is further reduced.

The invention relates to the technical field of chip comprehensive testing, in particular to a chip comprehensive testing system based on multifunctional integration. Comprising a feeding mechanism, a receiving mechanism, a magnetic suspension guide rail, a follow-up testing head mechanism, a testing table, five testing sliding seats, a horizontal electric cylinder lead screw, a vertical plate, a vertical electric cylinder lead screw, a testing adsorption head, a preheating plate, a preheating mechanism, four testing fixing frames, four testing flying cameras, a testing rotating table, a testing placing table, a cleaning brush and a cleaning telescopic rod. By integrating the feeding mechanism, the receiving mechanism, the magnetic suspension guide rail, the follow-up testing head mechanism and the testing table into a whole, the situation that chips need to be transferred for multiple times due to the fact that traditional feeding, testing and receiving are conducted through independent equipment is changed, the testing rotary tables in the four testing fixing frames can continuously conduct chip testing, and the testing efficiency is improved. The four testing mechanisms and the follow-up testing head mechanism provide multiple testing functions, different testing requirements of the chip are met, and the testing efficiency is improved.

The application provides a liquid ammonia storage tank cleaning device and relates to the technical field of liquid ammonia storage.The device comprises a clamping mechanism for clamping a tank body, a mounting rack and a base frame, the clamping mechanism and the mounting rack are both mounted on the base frame, the mounting rack is provided with an extension mechanism, the end of the extension mechanism is rotatably provided with a frame body, a plurality of rotating frames are rotatably arranged on the frame body, and cleaning strips are arranged on the rotating frames; the rotating frames can rotate to push the cleaning strips close to the inner wall of the tank body, and the cleaning strips can deform along with the contour of the tank body and adhere to the inner wall of the tank body; the cleaning strips can be driven to be inclined or transversely arranged in the tank body by a driver; the rotating frames can rotate relative to the frame body and push the cleaning strips to move to the inner wall of the tank body and adhere to the inner wall of the tank body; the flexibility of the arc-shaped frame can make the cleaning strips deform when adhering to the inner wall of the tank body, so that the tank body is cleaned; the device can clean different vertical pipes and improve convenience for cleaning vertical, spherical and columnar tanks.

The utility model relates to the field of biological detection, in particular to a sample loading device with a needle cleaning function, which comprises a sample loading cleaning structure, a horizontal movement structure and a vertical movement structure, the horizontal movement structure drives the sample loading cleaning structure to move horizontally, the sample loading cleaning structure is mounted on a motor support, and the motor support is connected with a horizontal movement slider. The horizontal movement structure is fixed on the horizontal cross beam; a Z-direction motor and a Z-direction linear guide rail are further arranged on the motor support, and the Z-direction motor is connected with a sample loading needle of the sample loading cleaning structure. The sample loading needle is nested in the cleaning swab, the inner wall and the outer wall of the needle and the pipeline can be cleaned at any time, the sample loading needle does not need to specially move to the position of a cleaning pool, space and time are saved, and the instrument sample loading efficiency is greatly improved.

The present invention belongs to the technical field of bottle preform cleaning, and specifically relates to a self-cleaning bottle preform blowing system, which includes a bottle unscrambling assembly, a bottle loading assembly, a ring conveying assembly, a heating assembly, a molding assembly, and a bottle lowering assembly, which are sequentially distributed. The system also includes a cleaning assembly, which includes a bottle preform conveying guide rail connected between the bottle unscrambling assembly and the bottle loading assembly, and a cleaning box located on one side of the bottle preform conveying guide rail; a pneumatic clamping and transferring structure is provided on the side of the cleaning box, which sleeves the bottle preform on the outside of a cleaning needle tube; the rotation of the cleaning needle tube is used to complete the flushing, scraping, and drying operations, thereby ensuring the cleanliness of the interior of the bottle preform.

The invention discloses a surface treatment device for secondary aluminum die-casting processing, relates to the technical field of secondary aluminum die-casting surface treatment, and solves the problem of low cleaning efficiency caused by the fact that burrs and oil stains need to be cleaned in two steps in the prior art. Comprising a supporting frame, a treatment barrel, an adsorption assembly and a filtering assembly, the treatment barrel is fixed to the supporting frame, the side wall of the treatment barrel is provided with a discharging opening, a baffle and an opening and closing mechanism, the opening and closing mechanism is connected with the baffle to drive the baffle to block or open the discharging opening, and a stirring shaft is rotationally installed in the treatment barrel; the main shaft is connected with the stirring shaft through a first transmission assembly to drive the stirring shaft to rotate; the adsorption assembly comprises a magnet which is fixedly connected with the main shaft and located below the edge of the treatment barrel. The filtering assembly comprises a filtering box and a vibration mechanism. The cleaning liquid in the treatment barrel is used for cleaning oil stains of the aluminum die castings, the cleaning needle in the treatment barrel is used for deburring the aluminum die castings, and then oil stain removal and deburring of the aluminum die castings are conducted at the same time.

The utility model relates to the technical field of line drawing machines, and discloses a spray head for a line drawing machine, which comprises a spray head body and a cleaning needle. A nozzle body; and the cleaning needle reciprocates from the side of the spray head body along the bottom of the nozzle of the spray head body and reciprocates from the bottom of the nozzle of the spray head body along the ink jet channel of the spray head body. The cleaning needle reciprocates from the side of the spray head body along the bottom of the nozzle of the spray head body, and when the spray head body performs ink jet work, the cleaning needle can avoid ink flow which is being jetted, so that interference to a normal ink jet process is avoided, and it is ensured that line drawing work can be continuously, stably and accurately performed; and moreover, the nozzle body further reciprocates from the bottom of the nozzle of the nozzle body along the ink-jet channel of the nozzle body, so that the ink-jet channel is effectively cleaned and dredged, and the ink-jet smoothness and accuracy of the nozzle body are guaranteed.

The invention discloses a ball milling device for preparing magnetic material powder, and belongs to the technical field of ball mills, the ball milling device comprises a material receiving cabin body, a working barrel is mounted in the material receiving cabin body, a material receiving cavity is formed between the material receiving cabin body and the working barrel, mounting round boxes are mounted at the two ends of the working barrel, and a plurality of driving push rods are mounted in the mounting round boxes; a transmission sliding rod is installed at the telescopic end of each driving push rod, a reset spring is arranged on one side of each transmission sliding rod, an L-shaped transmission block is installed on each reset spring, a transmission transverse rod is installed between each pair of corresponding L-shaped transmission blocks, and a plurality of cleaning needle rods are installed on the sides, close to the working barrel, of the transmission transverse rods; and a through discharging groove is formed in the side wall of the working barrel, a plurality of pairs of protruding blocks are installed on the outer cavity wall of the material collecting cavity, a protruding rod is installed between each pair of protruding blocks, every time the L-shaped transmission block passes through the protruding blocks, the through discharging groove is cleaned once through the cleaning needle rod, and therefore smoothness is effectively kept.

The invention belongs to the technical field of bottle blank cleaning, and particularly relates to a bottle blowing system capable of automatically cleaning bottle blanks, which comprises a bottle arranging assembly, a bottle feeding assembly, an annular conveying assembly, a heating assembly, a forming assembly and a bottle discharging assembly which are sequentially distributed, and further comprises a cleaning assembly, the cleaning assembly comprises a bottle blank conveying guide rail connected between the bottle arranging assembly and the bottle feeding assembly and a cleaning box located on one side of the bottle blank conveying guide rail. A pneumatic clamping and transferring structure is arranged on the side portion of the cleaning box, and the bottle blank is arranged on the outer side of the cleaning needle tube in a sleeving mode. Washing, scraping and drying operations are completed through rotation of the cleaning needle tube, and then cleanness of the interior of the bottle blank is guaranteed.

The utility model discloses equipment for automatically cleaning a needle head of a dispensing machine, which comprises a main body assembly, a needle head cleaning device, a needle head cleaning device and a needle head cleaning device, and is characterized in that the main body assembly comprises a mounting plate and a supporting plate; the anti-blocking assembly comprises a second fixing plate, a steering motor, a second rotating shaft, a cleaning roller and a bearing; the two second fixing plates are fixed to the two ends of the upper surface of the mounting plate respectively, the steering motor is fixed to the side edge of one second fixing plate, the bearing is fixed into the other second fixing plate, one end of the second rotating shaft is fixed to the output end of the steering motor, the other end of the second rotating shaft is inserted into the bearing, and the middle of the second rotating shaft is sleeved with the cleaning roller. The problem that in the prior art, an operator wipes a dispensing needle with soft cloth or cotton swabs to clean residual glue is solved. And although the method is simple to operate, the cleaning effect is greatly influenced by the skill level of an operator, and in addition, the cleaning method is difficult to adapt to a high-speed production line, so that the production efficiency is reduced.

This invention discloses a dry cleaning method for stains on the inner wall of a flared tube. The method involves inserting a cleaning needle, longer than the flared end, into the flared end of the tube. The front end of the cleaning needle forms a seal with the tapered hole created during the flaring process. A cleaning space is provided between the flared inner hole of the tube and the outer diameter of the matching cleaning needle. An injection hole is provided along the axial direction of the cleaning needle, and a jet nozzle is provided laterally at the bottom of the injection hole, leading to the cleaning space. The airflow injected from the injection hole into the cleaning space flows backward along the inner wall of the flared inner hole, blowing away the stains adhering to it. This method solves a series of problems associated with traditional technologies such as water-based cleaning agents and solvent cleaning, including complex production processes, wastewater and VOC emissions, low production efficiency, and high costs. The method cleans stains effectively, eliminates concerns about rust, is non-toxic and harmless, ensures safe operation, is simple in process, has high production efficiency, and produces reliable product quality.

The invention relates to the related technical field of fiber cleaning devices, in particular to a fiber cleaning device for non-woven cleaning cloth hot rolling production, which comprises a mounting bracket, a mounting plate, a primary cleaning mechanism, a secondary cleaning mechanism and a waste tank, the hot pressing roller to be cleaned is rotationally mounted on a rack of the non-woven cleaning cloth hot rolling production equipment through a first-stage rotating shaft; the first-stage cleaning mechanism and the second-stage cleaning mechanism are each composed of an installation base, a movable plate and a cleaning needle in a combined mode, a stress piece composed of a first-stage stress plate, a second-stage stress plate and a third-stage stress plate in a combined mode is arranged on an installation support, and L-shaped stress rods are arranged at the two ends of each movable plate; the cleaning needle is arranged in the needle hole, so that the cleaning needle is controlled to extend out of and retract back from the needle hole through the acting force of the stress piece on the stress rod, and fibers adhered to the cleaning needle can be conveniently cleaned while the hot pressing roller is cleaned through the cleaning needle.

The invention discloses a full-automatic immunofluorescence slide staining system and method, and relates to the technical field of slide staining machines. A central control system as well as a sample processing module, a reagent loading module, a cleaning needle module, a sealing module, a fluorescence imaging module and an antigen sheet loading module which are in signal interaction connection with the central control system are arranged on the operating table; the sample processing module is provided with a plurality of independent sample needle modules, and each independent sample needle module is provided with an independent Z-axis driving mechanism and an independent Y-axis driving mechanism. Cooperative operation of all the modules is planned through a central control system, a full-process automatic closed loop from sample code scanning, dilution, incubation, cleaning, secondary antibody loading to sheet sealing, fluorescence imaging and preliminary interpretation is formed, the limitation of traditional manual operation and function fragmentation of existing equipment is thoroughly eliminated, all experiment links do not need to be connected manually, and the working efficiency is improved. The manual dependence degree is obviously reduced, and the detection efficiency of large-batch samples is effectively improved.

The utility model provides a novel portable handheld furnace gas analyzer which comprises an analysis instrument, a manual operator, a flue gas sampling probe and a cleaning needle, the analysis instrument and the manual operator are connected through a data line, the flue gas sampling probe is assembled on the manual operator, and the cleaning needle is rotationally connected to the side face of the analysis instrument; wherein the diameter of the tail end of the cleaning needle is smaller than that of a column body of the cleaning needle, and the cleaning needle is movably inserted into the flue gas sampling probe; according to the utility model, the cleaning needle is rotatably folded and hidden on the side edge of the analysis instrument, is convenient to use, can be taken at any time, is not easy to lose, is hidden on the side edge of the analysis instrument when not in use, is convenient to take and store, and is not easy to lose; when in use, the cleaning needle is rotated out from the accommodating cavity on the side surface of the analysis instrument and movably inserted into the flue gas sampling probe, so that the smoke dust in the flue gas sampling probe is cleaned, and the smoke dust is prevented from being accumulated on the inner wall of the flue gas sampling probe to influence the analysis accuracy.

The pile-up valve is simple in structure and capable of preventing blockage and comprises a valve body, an integrated connector arranged on the valve body and a filter screen, a water inlet pipe is arranged at one end of the integrated connector, a water outlet pipe is arranged at the other end of the integrated connector, and the filter screen is arranged in a water inlet channel of the water inlet pipe and used for filtering impurities. A water inlet channel is formed in the water inlet pipe, a cleaning brush is longitudinally and slidably arranged in the water inlet channel, the cleaning brush abuts against the filter screen so as to clean and brush the filter screen, a longitudinal sliding device for driving the cleaning brush to longitudinally slide is arranged in the water inlet pipe, a water passing seat capable of allowing water to pass through is fixedly arranged in the water inlet channel, and a sliding rod is transversely and slidably arranged on the water passing seat; a fixing plate is arranged at the end of the sliding rod, cleaning needles matched with meshes of the filter screen are arranged on the fixing plate, and a pushing device for pushing the sliding rod to slide to enable the cleaning needles to clean impurities attached to the meshes of the filter screen is arranged in the water inlet channel.

The utility model provides an automatic cleaning needle cleaning device and a control system, the automatic cleaning needle cleaning device comprises a device main body, a first detection piece and a cleaning piece, the device main body comprises a working cavity and a working table, and the working table is installed in the working cavity and can reciprocate along a first direction; the first detection piece is installed in the working cavity to detect the position of the workbench. The cleaning piece is installed in the working cavity to clean the workbench. The position of the workbench is detected through the first detection piece, the workbench is automatically cleaned through the cleaning piece, the problem that in the prior art, residual foreign matter on needle cleaning abrasive paper may cause needle kneeling and card collision is effectively solved, and the needle cleaning device has the advantages that the needle cleaning efficiency is improved, the card collision risk is reduced, and the maintenance cost is reduced.

This invention discloses a test pin structure comprising a main body end, with a first elastic pin and a second elastic pin extending from the main body end on the same side, wherein the first elastic pin extends obliquely upward from one end of the main body end; the other end of the first elastic pin is connected to a counteracting pin portion; and a needle tip is vertically positioned at the other end of the counteracting pin portion; a pin is vertically oriented downward at the other end of the second elastic pin; this invention reduces the sliding distance of the needle tip by incorporating a counteracting pin portion that moves in the opposite direction to the first elastic pin, and the pressure return force generated by the contact forces of the first elastic pin and the counteracting pin portion drives the needle tip to be inserted into the chip. This way, when the pressure return force drives the needle tip to be inserted into the chip, it avoids scratching the chip surface, and the magnitude of the pressure return force only affects the depth of insertion into the chip, without affecting the contact surface for testing; the left and right sliding of the needle tip is used to clean the contact surface of the needle tip.

The invention provides a training simulation device for traditional Chinese medicine acupuncture and moxibustion, which relates to the technical field of acupuncture and moxibustion training and comprises an acupuncture and moxibustion training simulation part, a training result feedback part, a pinhole marking part and a cleaning limiting part, the training result feedback part is mounted on the acupuncture training simulation part; the pinhole marking part is mounted on the acupuncture training simulation part; the wrench connecting part is mounted at the bottom of the pinhole marking part; the cleaning limiting part is installed at the top of the acupuncture training simulation part, the cleaning limiting part is used for cleaning redundant ink on the acupuncture training simulation part, and the cleaning limiting part is further used for limiting the acupuncture training simulation part; a learner can conveniently judge whether the insertion position of the acupuncture needle is correct or not according to the training feedback lamp, and the learner can conveniently know the hand feeling when the acupuncture needle is inserted; the problems that an acupuncture training feedback structure is lacked generally, and when an acupuncture needle is inserted into a needle hole inserted before, a learner cannot find the acupuncture needle and cannot know the hand feeling when the acupuncture needle is inserted conveniently are solved.

The utility model discloses an acrylic fiber pure textile fabric pretreatment device for an aircraft cabin, and relates to the technical field of textile fabric pretreatment. The device comprises a first mounting frame, a second mounting frame and a third mounting frame, a brushing mechanism is rotatably arranged on the first mounting frame and the second mounting frame, driving mechanisms are arranged on the first mounting frame and the second mounting frame, acrylic fabric penetrates through the brushing mechanism, a singeing mechanism is arranged on the third mounting frame, and a singeing mechanism is arranged on the third mounting frame. Cleaning mechanisms are arranged on the first mounting frame and the second mounting frame, and the brushing mechanisms are in transmission connection with the cleaning mechanisms. When the supporting shaft rotates, the first gear fixed to the supporting shaft drives the second gear meshed with the first gear to rotate, then the fixing rod and the first cleaning needle are driven to rotate, impurities wound on the rolling brush are stripped, the phenomenon that the brushing effect is affected by yarn ends is prevented, non-stop cleaning is achieved, and the practicability and flexibility of the device are improved.

The present invention relates to the technical field of street lamps, and discloses a street lamp lighting device with a spraying function, including a street lamp pole. A connecting column is arranged on the side of the street lamp pole, and a street lamp is fixedly connected through the connecting column. A connecting pipe is arranged in the connecting column, a spraying head is arranged below the connecting pipe, spray holes are arranged in the spraying head, a reciprocating cleaning mechanism is arranged in the connecting pipe, and the reciprocating cleaning mechanism can prevent the impurities in the spraying head from being blocked, ensuring the normal spraying function of the spraying head. In the present invention, under the drive of a motor, the cleaning needles in the reciprocating cleaning mechanism can reciprocally clean the spray holes of the spraying head, preventing the spray holes from being blocked by dust, sundries and water scale, and ensuring the normal spraying function. The impurities cleaned out by the cleaning needles can be blown out of the spraying head through the spray holes by a blowing nozzle, preventing impurities from remaining on the cleaning needles, and at the same time ensuring that there are no impurities remaining inside the spraying head, guaranteeing the spraying effect.

The invention of integrated system of polymer and metal 3d printing services of volumes equipped with artificial intelligence is a type of network for receiving print orders based on artificial intelligence which the artificial intelligence server with the ability to learn and make decisions about choosing a printer, modifying software files and optimizing the printing process. Also this invention is related to a 3D printer and a network of 3D printers and related to a 3D printer with at least one camera for monitoring the printing process and related to techniques for monitoring a three-dimensional (3D) printer during a print job and related to cleaning needles for unblocking the nozzles of the printer head. Among the advantages of the mentioned system is equipping the printer with a smart multi-size cleaning system.

An end effector for the through thickness reinforcement of a fibrous preform includes a needle cleaning material configured to contact a needle to clean resin from the needle during or between through thickness reinforcement operations. The needle cleaning material may extend from a presser foot toward the needle. The needle cleaning material may slidingly engage the needle in response to movement of one of the needle or the presser foot moving (e.g., translating and / or rotating) with respect to the other of the needle or the presser foot.

The utility model relates to the technical field of chip pin cleaning, and discloses a chip pin cleaning mechanism which comprises a front supporting plate and a rear supporting plate, the right end of the front side of the top of the rear supporting plate is movably connected with a brush roller speed adjusting motor, a carding assembly is fixedly installed between the side walls of the two supporting plates, and the carding assembly is movably connected with the brush roller speed adjusting motor. A brush roller assembly is rotationally connected between the inner side walls of the left sides of the tops of the two supporting plates and comprises a rotating shaft, a rotating roller and anti-static bristles. A product can be positioned and pressed in the track, the position of the product is stable and does not deviate in the cleaning process, so that the cleaning accuracy and reliability are improved, the brush rollers on the two sides can be close to pins on the two sides of the product for cleaning, the pertinence is high, dirt on the pins can be comprehensively and effectively removed, and the service life of the product is prolonged. Accurate adjustment can be conducted according to the specific conditions and cleaning requirements of products, and the height of the brush, the feeding height and the distance between the brush and the products can be adjusted.

The present invention discloses a synthetic leather virgin fiber melt extrusion device and a method for use, belonging to the technical field of spinning machines, comprising a housing, an injection tube installed on the left side of the housing near the upper end, a transmission pipe installed on the right side of the housing near the lower end, a spinneret installed on the right end of the transmission pipe, and a filter cartridge installed inside the housing. The present invention can achieve dynamic change of the filter area by driving the filter cartridge to rotate through a motor, thereby effectively reducing the possibility of filter hole blockage, ensuring the uniformity of the filtration process, and avoiding excessive blockage of the local filter area. When the filter cartridge rotates, the touch block is used to touch the touch switch, instantly controlling the electromagnet to drive the cleaning needle to automatically clean impurities and small bubbles in the filter hole. The vibration force during cleaning is then used to promptly expel small bubbles, thereby avoiding the problem of bubbles passing through the filter hole due to pressure deformation, causing spinning interruption.

The present invention aims to provide a probe cleaning jig with high cleaning efficiency and convenient cleaning. The present invention includes a jig cover and a probe cleaning assembly, the probe cleaning assembly includes a cleaning upper cover, a power supply module, a button module, a vibration motor and a foam block, the cleaning upper cover is arranged on the jig cover, the vibration motor and the foam block are arranged at the bottom of the cleaning upper cover, the jig cover is provided with a probe test slot, the foam block is located above the probe cleaning slot, the cleaning upper cover is provided with a drip hole that penetrates the foam block, the power supply module and the button module are both arranged on the jig cover, the power supply module is electrically connected to the button module, and the power supply module is electrically connected to the vibration motor. The present application relates to the technical field of cleaning needle block module test probes.

The utility model relates to an automatic cleaning probe assembly and a probe testing device, and relates to the technical field of semiconductor testing equipment, the automatic cleaning probe assembly comprises a dry cleaning area and a wet cleaning area, the dry cleaning area comprises abrasive paper, and the wet cleaning area comprises an ultrasonic cleaning tank and a drying tank; the dry type cleaning area and the wet type cleaning area are of a structure shaped like a Chinese character'tian 'and share the needle cleaning platform for driving to work. Therefore, when the tip of the probe is cleaned, the probe card does not need to be clamped down, and integrated operation is directly realized in the cavity of the probing device. Downtime is reduced, manpower and material resources are saved, and production line efficiency is improved.

The utility model provides a water pump capable of preventing air blockage. The air blockage prevention water pump comprises a pump body, a mounting shell and a cleaning needle, and an exhaust hole is formed in the pump body; the mounting shell is mounted on the outer wall of the pump body corresponding to the exhaust hole; the cleaning needle is arranged in the mounting shell towards the exhaust hole and used for being inserted to clean the exhaust hole. According to the anti-air-blockage water pump, the unique exhaust hole cleaning structure is arranged, and the problem that in the prior art, blockage of an exhaust hole is difficult to clean is effectively solved. The anti-air-blocking water pump has the advantages of being simple in structure, convenient to operate, time-saving and labor-saving, the maintenance efficiency and the operation stability of the water pump are remarkably improved, and the use experience of a user is improved.

The utility model discloses a tobacco shred loosening device which comprises an installation frame. The two loosening rollers are rotationally connected to the mounting frame, the two loosening rollers are arranged in parallel and can rotate relatively, a gap is formed between the circumferential surfaces of the two loosening rollers, tobacco shreds can penetrate through the gap, a plurality of comb teeth are arranged on the circumferential surface of each loosening roller at intervals, and the comb teeth are used for loosening the tobacco shreds passing through the gap; the cleaning assembly is arranged on the mounting frame and located on the outer side of at least one loosening roller, cleaning needles are arranged on the cleaning assembly and can move between a first position and a second position in the radial direction of the loosening rollers, and when the cleaning needles move to the first position, the cleaning needles are inserted into gaps between every two adjacent comb teeth; and when the cleaning needles move to the second position, the cleaning needles move to the outside of the gap between every two adjacent comb teeth. Tobacco shreds wound on the loosening roller can be removed, and therefore the loosening effect is improved.