602 results about "Metal detectors" patented technology

The invention provides a metal detection system and method with a partition detection function. The metal detection system comprises a conveying device which is provided with a conveying frame and a conveying belt arranged on the conveying frame; the metal detector comprises a shell located on the conveying frame and a detector arranged in the shell, the detector is provided with a transmitting assembly and a receiving assembly, in the width direction of the conveying belt, the transmitting assembly forms an annular transmitting area, and the receiving assembly forms an independent detection area and a composite detection area corresponding to the annular transmitting area; wherein in response to the movement of the conveyor belt, the detector is used for determining the positions of the metal foreign matters passing through the annular emission area, the independent detection area and the composite detection area in the materials on the conveyor belt. According to the invention, the position of the metal foreign matter in the material is rapidly and accurately positioned, the accuracy and reliability of detection are improved, and the subsequent targeted treatment on the material containing the metal foreign matter is facilitated.

The fiber detection material conveyor comprises a support, the upper surface of the support is fixedly connected with a conveying frame, the rear end of the left side of the conveying frame is fixedly connected with a gear motor, the driving end of the conveying frame is fixedly connected with a driving shaft of the gear motor, and the upper surface of the conveying frame is fixedly connected with a metal detection machine. A carding device is arranged on the inner wall of the conveying frame and comprises a leveling assembly, the leveling assembly comprises a mounting frame, the mounting frame is fixedly connected with the upper surface of the conveying frame, a connecting plate is mounted on the inner wall of the mounting frame, and a guide plate is fixedly connected to the end, away from the mounting frame, of the connecting plate. By means of the carding device installed in the conveying frame, when the conveying frame conveys fibers, the fibers passing through the detection area can be carded so as to ensure that the fibers pass through the detection area in a flat state, and the detection equipment can effectively detect metal containing impurities in the fibers.

A metal detector includes a detection disc, a detection rod rotationally connected to the detection disc, a protective sleeve detachably connected within the detection rod, and electronic components housed within the protective sleeve. The electronic components include a main circuit board extending along the length of the protective sleeve and a secondary circuit board perpendicular to the main circuit board, positioned near the opening of the protective sleeve. On the side of the secondary circuit board facing the interior of the detection rod, there is a detection disc socket. The detection disc includes a coil, a waterproof cable connected to the coil, and a detection disc plug located at the end of the waterproof cable. The waterproof cable and detection disc plug extend into the detection rod, allowing the detection disc plug to be inserted into the detection disc socket.

A lid assembly for an in-ground meter box that can withstand substantial loads (e.g., 22, 500 lbs) without deformation. The lid assembly includes a metal frame secured to the bottom side of a plastic lid to allow the plastic lid to seat tightly for covering the in-ground meter box. The metal frame provides the rigidity and strength to withstand the loading while simultaneously providing the lid with sufficient weight to make it non-bouyant, i.e., should the surrounding ground environment become flooded, the lid is heavy enough to remain in place, covering the meter box and will not float away. The metal frame also is detectable by a metal detector should the lid every be covered over with debris and need to be located. The plastic lid body (e.g., linear low-density polyethylene (LLDPE)) of the lid assembly avoids radio signal interference or attenuation emanating from a transmitter positioned within the meter box.

The invention relates to an automatic package removing device, and belongs to the technical field of package detection equipment. The device comprises a horizontal conveyor belt, a metal detection unit, a weight detection unit, a correlation grating, a servo push plate mechanism and a control system, the metal detection unit detects metal impurities through a metal detector above a conveying belt, the weight detection unit obtains weight data through a weighing platform below the conveying belt, a built-in encoder of a correlation grating collects the speed of the conveying belt in real time, and the servo push plate mechanism drives a push plate through a servo motor and monitors thrust through a pressure sensor. And the control system receives the detection signal, calculates the starting delay time of the push plate based on the speed of the conveyor belt and the conveying distance, and drives the servo motor to act according to preset parameters, so that accurate removal of metal, weight and composite defective packaging materials is realized. The device is mainly used for automatically detecting and removing unqualified packages on a packaging production line, and the packaging quality control efficiency is improved.

A barrier component, a metal detector component; and a base structure that physically connects to the barrier component and connects to the metal detector component, wherein the base structure distances the barrier component from the metal detector component a distance that prevents electromagnetic interference between the barrier component and the metal detector component. A monitoring component monitors at least one gate system parameter of the gate system and stores the at least one gate system parameter or transmits the at least one gate system parameter to a monitoring service over a network.

The utility model discloses a roller way device for conveying long steel pipes, which comprises rows of steel pipes, the rows of steel pipes reach the tail end of a cooling bed, the rows of steel pipes are moved to a lower cooling bed wide roller way by a discharging arm and a rotating arm, the cooling bed wide roller way is supported by a roller way support and is divided into a plurality of sections, and the sections of the cooling bed wide roller way are connected with the discharging arm and the rotating arm. Each section is composed of a plurality of cooling bed wide roller ways arranged at intervals, the cooling bed wide roller ways are independently provided with control devices, each section is independently provided with control buttons for transmission control, the cooling bed wide roller ways are additionally provided with frequency conversion type air cooling systems, and the frequency conversion type air cooling systems cool the cooling bed wide roller ways and the control devices through compressed air. A cold metal detector is arranged between every two adjacent sections of the cooling bed wide roller way, a power supply of each section of the cooling bed wide roller way is controlled to be disconnected by an alternating current contactor, the model of the cold metal detector is a KHLRD2 metal detector, and the cold metal detector is electrically connected with a PLC (Programmable Logic Controller).

The utility model relates to a needle inspection device for producing and processing pillow interiors and quilt interiors, which comprises a conveying belt, a needle inspection mechanism for performing needle inspection and positioning on the pillow interiors and the quilt interiors is arranged on the right side of the upper surface of the conveying belt, a classification mechanism for cleaning the pillow interiors and the quilt interiors containing foreign matters is arranged on the left side of the back surface of the conveying belt, and the needle inspection mechanism comprises a fixing frame. According to the needle inspection device for pillow inner and quilt inner production and processing, the needle inspection mechanism is arranged, a shielding cover, a metal detector, a scanning cover, an X-ray scanner and the like are matched with one another, various detection technologies including the metal detector and the X-ray scanner are applied, foreign matter or metal objects possibly existing in pillow inner and quilt inner can be comprehensively and accurately detected, and the detection accuracy is improved. And the X-ray has perspectivity and can scan the existing position of the foreign matter, and the foreign matter is displayed through the display screen, so that a worker can quickly find and clean the foreign matter, comprehensive and accurate detection of the pillow inner and the quilt inner can be realized, the product quality is ensured, and the safety of consumers is guaranteed.

Disclosed is a two-function and modular structure three-dimensional underground scanning device. The device has a two-function and modular device structure having of a magnetic field detector with a magnetic sensor based on the magnetic research method and a metal detector based on the pulse induction system.

The invention discloses a cooling system and a cooling method for preventing a steel belt from being supercooled, belongs to the technical field of metal processing, and aims to solve the problem of supercooling during aerial fog cooling. The cooling system for preventing the steel belt from being supercooled comprises a roller way (1), a high-temperature metal detector (2), an aerial fog cooling device (3), a water film thickness detector (4), an air injection device (5) and a control unit, the high-temperature metal detector (2), the aerial fog cooling device (3), the water film thickness detector (4) and the air injection device (5) are sequentially arranged in the conveying direction of the roller way (1). According to the cooling system and the cooling method for preventing the steel strip from being supercooled, the cooling capacity of aerial fog cooling can be flexibly adjusted, water sprayed by the aerial fog nozzles is prevented from being gathered on the surface of a steel plate to form a water film, the supercooling phenomenon on the surface of the steel strip is prevented, and diversified cooling requirements are met.

The utility model discloses an automatic separating device for metal foreign matters in tobacco shreds, which comprises a base, the top of the base is fixedly connected with a shell, the top of the inner wall of the shell is fixedly connected with a mounting rack, the bottom of the mounting rack is fixedly connected with a metal detector, the top of the shell is fixedly connected with a hydraulic cylinder, and the hydraulic cylinder is fixedly connected with a hydraulic cylinder. And the bottom of the hydraulic cylinder is fixedly connected with an electromagnet. The utility model relates to the technical field of tobacco production, in particular to an automatic separating device for metal foreign matters in tobacco shreds, which realizes the control of the thickness of the tobacco shreds on a conveying component through the matching among a first motor, a double-thread screw, a threaded block, a sliding rod, an inclined column, a transverse column and a vertical plate. The problem that when an existing automatic separation device automatically separates metal foreign matter in tobacco shreds, due to the fact that the tobacco shreds on conveying equipment are thick, some metal hidden in the middles of the tobacco shreds cannot be easily found by a metal detector, the situation of missing occurs, and the separation effect of the existing automatic separation device is reduced is solved.

Disclosed herein is a hand-held underwater dredge integrated with a metal detector, designed for locating and retrieving metallic objects from aquatic environments. Equipped with a suction-generating electric pump and powered by an onboard battery to enable operation while fully submerged, the dredge features a pipe system leading to a catch can that captures metal items while expelling the water drawn into the pipe system by the generated suction. In operation, users scan a riverbed, seabed, or lakebed using the metal detector. Once a metal item is detected, the user places the suction end of the pipe system over the metal item and activates the electric pump to start the suction, leading to capture of the metal item in the catch can for retrieval. This streamlines the process of underwater treasure hunting, combining detection and collection into a single user-operated system.

The utility model relates to the field of wet tissue processing, in particular to a metal foreign matter detection device which comprises a workbench, table legs, a conveying mechanism and a detection classification mechanism. The conveying mechanism is arranged on the outer side of the workbench and used for fixing wet tissues and conveying the wet tissues to a detection point; the detecting and classifying mechanism is arranged on the top of the workbench and used for detecting the content of metal foreign matter of the wet tissue at a fixed point and separating qualified products from defective products. Through the arrangement of the conveying mechanism, wet tissues are conveyed and detected at fixed points, continuous and rapid metal impurity detection can be realized, manual intervention is reduced, the production efficiency is improved, meanwhile, the consistency of a detection environment can be ensured, and the influence of factors such as position change or vibration on a detection result is reduced, so that the detection accuracy is improved, and the detection efficiency is improved. And the wet tissues can pass through the metal detector one by one, so that missing detection is effectively avoided, and each wet tissue is ensured to be fully detected.

The embodiment of the invention provides a method and device for determining the length of a blank on a bar production line, a storage medium and a processor, and belongs to the technical field of intelligent manufacturing. The method comprises the steps that the first distance between a metal detector and the center line of a rolling mill is obtained, the metal detector is used for monitoring each steel billet rolled piece passing through the monitoring position, and the rolling mill is used for rolling the steel billet rolled pieces; according to the pulse count value of the rolling mill encoder and the first distance, the measurement pulse equivalent of the currently-machined steel billet rolled piece is determined; calculating a current measurement pulse equivalent average value by adopting a rolling average method; and according to the measured pulse equivalent average value, the pulse count value and the first distance, the blank length of the currently-machined steel blank rolled piece is determined. By means of the method, the total length of a bar finished product obtained after the steel billet rolled piece is rolled can be accurately obtained.

The method is useful for operating a metal detector including a balanced coil system (2) with a transmit coil (21) connected to a transmit unit (1) and first and second receive coils (22A, 22B) connected to an input of a receive unit (3). The transmit unit (1) includes a transmit signal path (tp) to which a transmit signal (tx) having at least one fixed or selectable operating frequency and an associated quadrature signal (tx90°) are provided, the transmit signal (tx) being applied to an input of a transmit amplifier (12) which transfers the amplified transmit signal (tx) directly or via a transmit matching unit (13) to the transmit coil (21), and the receive unit (3) includes at least one receive signal path (rp) to which a modulated receive signal (rs) received from the balanced coil system (2) is applied directly or via a receive matching unit (31) to a receive amplifier (33), which transfers the amplified modulated receive signal (rs) directly or indirectly to a receive amplifier (33). The modulated received signal (rs) is applied to a receive phase-sensitive detector (34; 4534), which compares the modulated received signal (rs) with reference signals corresponding to the transmitted signal (tx) and the quadrature signal (tx90°) to generate a demodulated complex received signal (rsc) having an in-phase received signal component (rs-I) and a quadrature received signal component (rs-Q), which are processed in a signal processing unit (45) including at least one signal processing path (sp), in which signal components of the complex received signal (rsc) related to the product or noise are suppressed and signal components originating from metal contamination are further processed.According to the invention, at least one transmit measurement channel (8) is provided, which includes a measurement amplifier (83) that receives a measurement signal (ms) taken from the transmit signal path (tp), amplifies the measurement signal (ms) and forwards it directly or indirectly to a measurement phase-sensitive detector (84; 4584), which compares the measurement signal (ms) with reference signals corresponding to the transmit signal (tx) and the quadrature signal (tx90°) and generates a complex measurement signal (msc) having an in-phase measurement signal component (ms-I) and a quadrature measurement component (ms-Q), and the complex measurement signal (msc) and the complex receive signal (rsc) are applied to a first correction module (451), and signal components due to instabilities of the transmit unit (1) are removed from the complex receive signal (rsc).

A method of detecting at least one target using a handheld metal detector, comprising: emitting, by an emitter, an emission magnetic field; receiving, by the receiver, the receive magnetic field to generate one or more receive signals; processing the one or more received signals to generate a plurality of different processed signals; constructing a representation of a vector subspace based on the plurality of different processed signals; respectively processing the representation of the vector subspace and a plurality of target models so as to determine the close degree between each target model and the vector subspace; and based on the close degree of each target model in the plurality of target models and the vector subspace, generating indication output indicating the existence of at least one target.

The invention relates to the technical field of food detection, in particular to a food metal detector which comprises a food conveyor and a metal detection mechanism arranged on the food conveyor, a tray conveyor is arranged beside the food conveyor, a supporting frame is fixedly connected between the tray conveyor and the top end of the food conveyor, and a sliding groove is formed in the top end of the supporting frame. By means of the arrangement of the structure, two rows of bread in the middle of four rows of bread on the tray can be pushed to the middle, then the bread on the outer side is pushed to the two sides, the moving space of the upper shovel plate and the lower shovel plate is reserved, and the upper shovel plate and the lower shovel plate can be lowered to the tray; and then the upper shovel plate and the lower shovel plate are driven to move towards the two sides to shovel up all the four rows of bread, then the bread is placed on the food conveyor through the moving mechanism to be subjected to metal detection, and therefore automatic taking of the bread in the tray is achieved, workers do not need to shovel the bread beside, and the convenience performance of the equipment is improved.

The present application relates to hot strip production process technical field, specifically to a kind of coreless hot coil box open tail folding processing method, comprising: receiving intermediate blank thickness, for the equipment preset of hot coil box;After hot coil box completes coiling and uncoiling, when the hot metal detector HMD at the outlet of hot coil box becomes OFF state, according to the distance of slab tail reaching flying shear is calculated based on speed parameter;The thickness of slab tail is detected using pinch roll at the outlet of hot coil box;When the thickness of slab tail is detected and the thickness mutation value reaches the threshold range of preset, it is determined that tail uncoiling fails, and an abnormal instruction is sent to flying shear cutting system;After flying shear cutting system receives the abnormal instruction, on the basis of preset cutting gauge length, increase compensation length, generate updated tail cutting length;Flying shear cutting system starts cutting according to updated tail cutting length, so that actual cutting position avoids folding part of slab tail.The present application avoids flying shear blade collapse even mill broken roll accident.

Systems and techniques for customizing and installing a configuration of a user-reconfigurable metal detector. In embodiments, a user-reconfigurable metal detector system is configured to enable customization of a configuration for the user-reconfigurable metal detector and to enable installation of the customized configuration on the user-reconfigurable metal detector. In embodiments, users interact with an update system to customize the configuration of the user-reconfigurable metal detector, and to deploy or install the customized configuration onto the user-reconfigurable metal detector. In embodiments, a current configuration of the user-reconfigurable metal detector may be replaced with the new customized configuration.

The utility model discloses a multi-frequency metal detector which comprises a single-chip microcomputer master controller, a key module, a receiving module, a transmitting module, an FM module, a single-chip microcomputer programming module, an adjustable power supply module, a frequency mixing control module, a power supply module, a sound amplification module and a storage module. Wherein the transmitting module is provided with an H-bridge structure, and the H-bridge structure is connected in series with an LC to generate sine wave current potential eddy current to perform same-frequency resonance on various metals; the key module, the receiving module, the transmitting module, the FM module, the single-chip microcomputer programming module, the adjustable power supply module and the frequency mixing control module are electrically connected with the single-chip microcomputer master controller. The power supply module, the sound amplification module and the storage module are electrically connected with the frequency mixing control module. The multi-frequency metal detector provided by the utility model is stable in operation, high in efficiency, capable of generating 144 frequencies, strong in signal and high in metal detection efficiency.

A hand-held metal detector coil, including a coil housing which houses aggregate transmit windings and aggregate receive windings. The aggregate transmit windings include a major group of transmit windings that includes a first transmit winding, and the aggregate receive windings include a major group of receive windings that includes a first receive winding; the coil further includes a minor group of windings to null the aggregate receive windings with respect to the aggregate transmit windings. In an absence of external influences, a mutual inductance coupling coefficient between the aggregate receive windings and the aggregate transmit windings, kTR, is <0.03. A mean location of turns of the major group of transmit windings is further from a bottom plane of the coil housing than a mean location of turns of the major group of receive windings; the first transmit winding has at least part of their cross-sectional winding profile with a first cross-sectional axis longer than a second cross-sectional axis by at least a factor of 3; a mutual coupling constant coefficient between the major group of transmit windings and the major group of receive windings, k11, is <0.5; and a mean location of turns of the of the first transmit winding is at least 25 mm or more from a bottom plane of the coil housing.

The present invention discloses a recycling granulation device dedicated to lightweight recycled plastics, comprising a belt conveyor, a forced feeder and a single screw extruder, wherein one side of the belt conveyor is provided with a forced feeder, one side of the forced feeder is provided with a single screw extruder, the surface of the belt conveyor is connected with a conveyor belt through a driving motor, a metal detector is provided on the top of the belt conveyor, a baffle is provided on the other side of the top of the belt conveyor, and a placement tank is installed on one side of the belt conveyor. The present invention improves the output by providing forced feeding and a melt filter, improves the product quality by providing vacuuming and a melt filter, and reduces the frequency of changing the screen by a large filter area and a long working time, and the filter screen replacement speed is fast, thereby reducing the labor intensity of workers.

A yarn operation control system for a doubling machine belongs to the field of doubling machine technology. The left and right movement of the clutch drive chuck enables disengagement and engagement with the clutch fixed chuck. When the clutch drive chuck moves to the right, it disengages from the clutch fixed chuck, while the clutch main pulley continues to rotate due to the internal bearing assembly. The clutch main shaft stops rotating, allowing the external main shaft power to operate without stopping, thus achieving single-spindle single-control function for the doubling machine. The yarn is stabilized through the setting of the yarn guide ring without affecting the overall tension, achieving a stabilizing effect. A metal detector detects metal objects in real time. When a metal object is detected, a control cylinder disengages the clutch drive chuck from the clutch fixed chuck. The electromagnetic suction block attracts the gravity block, and the magnetic guide block also has magnetic force. When a metal object is detected, the rear side of the magnetic guide block can attract the metal object, facilitating cleaning.

A system for detecting forbidden objects worn or carried by individuals includes a metal detector having at least three transducers arranged on either side of a passage, two of these transducers being positioned on the one same side of the passage and spaced apart longitudinally in the direction of travel through the passage, while the third transducer is positioned on the opposite side of the passage so that the three transducers are available in combination to perform spatial discrimination of the location of the metallic objects detected.

1. Name of the designed product: underground metal detector. 2. Use of the designed product: detecting underground metal substances. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: front view.

The invention discloses a wall metal detector and a wall metal detection method, and relates to the technical field of the construction industry, the wall metal detector comprises a shell, a metal detection device and a marking device, the metal detection device used for detecting metal is arranged in the shell, a marking hole is formed in the side face, attached to the wall surface, of the shell in a penetrating mode, and the marking device is arranged in the marking hole. The metal detection device is provided with a marking hole, the marking hole is adjacent to the metal detection device, a marking device is arranged in the marking hole in a penetrating mode, the marking device can move towards the wall surface and abut against the wall surface so as to mark the wall surface, and the handheld wall metal detector abuts against the wall surface and moves along the wall surface so as to mark the wall surface. According to the wall metal detector, when the metal detection device in the wall metal detector detects that metal exists in the wall and the metal detection device is closest to the metal, the marking device marks the wall surface, so that a worker does not need to carry a marking pen, and the use convenience of the wall metal detector is improved.

The utility model relates to a metal detection device which comprises a conveying table, a conveying belt is arranged on the conveying table, a metal detector body is arranged on the conveying table, and a flattening and dispersing mechanism is arranged on the conveying table. And the paving and dispersing mechanism comprises mounting seats, the two mounting seats are mounted at the top of the conveying table, and electric telescopic rods are fixedly mounted on the mounting seats. According to the metal detection device, by arranging the flattening and dispersing mechanism, when food moves towards the direction of the metal detector body on the conveying belt, the food is firstly flattened by the material distributing column; after the food is spread, the spread food continues to pass through the poke rods, the poke rods in rotation can poke the tightly attached food aside, and then the food penetrates through the poke rods through the space between the two poke rods, so that the food is prevented from being arranged tightly; and a plurality of threaded columns are arranged, so that the distance between the poke rods can be adjusted according to the size of the food, and the food can smoothly pass through the poke rods.

The present invention provides a sounding tail cap, which includes: a waterproof speaker for generating various alarm sound combinations, and the diameter of the waterproof speaker is greater than 2 cm; a rear cover, the waterproof speaker is installed in the rear cover, and a first connecting part is provided on the rear cover, and the rear cover can be fixedly installed on the metal detector through the first connecting part; an audio connector, the waterproof speaker is electrically connected to the audio connector, and is electrically connected to the metal detector through the audio connector, so that the waterproof speaker can receive and emit the sound signal output by the metal detector; the waterproof speaker is installed in the rear cover through multiple waterproof designs, and the sounding component and the main body of the metal detector are separately designed, and the rear cover can be removed to charge the main body; when the speaker is damaged, it can be replaced separately without replacing the whole circuit board.

The utility model discloses an anti-sticking knife rubber strip metal removing device which comprises a front support, a rear support, a front conveying belt, a rear conveying belt, a swing mechanism, a metal detector and a cutting mechanism, the front support and the rear support are arranged adjacently, the front conveying belt is obliquely arranged on the front support, the rear conveying belt is obliquely arranged on the rear support, and the metal detector is arranged on the rear support. The front conveying belt and the rear conveying belt are connected through the swing mechanism, the metal detector is arranged on the rear conveying belt, and the cutting mechanism is arranged on the rear conveying belt and located between the swing mechanism and the metal detector. According to the anti-sticking knife rubber strip metal removing device, blowing is carried out through the blowing nozzle arranged on the cutting knife, rubber materials adhered to the cutting knife can be blown off, the situation that follow-up cutting work is affected due to the fact that the rubber strips are adhered and wound on the cutting knife is avoided, and therefore the production quality of follow-up products is improved.