43 results about "Metal detectors" patented technology

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.

This utility model relates to the field of extrusion device technology, specifically to a precise temperature-controlled thermoplastic elastomer production extrusion device, including an extruder body with a feed inlet and a discharge channel. An outer cover is fixedly connected to the discharge channel. The outer cover contains a screening component for screening for metal foreign objects in the material. The screening component includes a receiving box located inside the outer cover, with a movable frame slidably connected to the receiving box. This utility model uses the screening component to allow material from the feed hopper to enter the receiving box. A motor-driven metal detector then screens and checks the material in the receiving box for metal foreign objects. If no foreign objects are found, a cam divider rotates the receiving box, discharging the material into the extruder body. If foreign objects are found, a drive component pushes the outer cover, separating the discharge channel from the feed inlet, thus facilitating the discharge of material containing foreign objects.

This utility model discloses a photosensitive drum counting device, comprising: a flat-panel metal detector, a column disposed on one side of the flat-panel metal detector, and a main control device disposed on the top of the column and electrically connected to the flat-panel metal detector; the flat-panel metal detector is used to sense the copper electrode plates on the top of each photosensitive drum in the packaging box and outputs an induced voltage corresponding to the number of copper electrode plates; the main control device calculates the number of copper electrode plates based on the induced voltage, and thus determines the number of photosensitive drums in the packaging box. This photosensitive drum counting device can automatically count the number of photosensitive drums in a single packaging box and can issue an alarm when there are fewer or more photosensitive drums than required, avoiding situations where there are fewer or more photosensitive drums in the shipped packaging boxes. It solves the problem of inaccurate product quantity per box caused by manual counting and weighing differences, reduces manual labor intensity, and improves the automation level of the production line.

The utility model relates to a kind of impurity on-line detection mechanism for rubber production, including bottom plate;Roller and unwinding roller are respectively provided on the left and right sides of the upper surface of the bottom plate;The upper surface of the bottom plate is vertically installed with a support plate, two transmission rollers are rotatably connected in the inside of the support plate by bearing, two the transmission roller is arranged in interval from top to bottom, so that the rubber on unwinding roller is sequentially wound around two transmission rollers from bottom to top and is connected with roller;A support frame is installed on the top of the support plate.The impurity on-line detection mechanism for rubber production, by the setting of two transmission rollers interval from top to bottom and located in the same ZY surface, makes rubber material belt keep linear motion in transmission process, overcome the problem that rubber is easily bent and deformed when being transmitted in transmission belt device due to elasticity, avoid rubber partial position overlapping, provide good conditions for comprehensive detection of metal detector, greatly reduce the situation of impurity missed detection.

The utility model relates to road construction technical field more specifically, especially, especially relates to a kind of punching sampling device for road and bridge detection, it includes: bottom plate, universal wheel;Universal wheel is arranged in the four corners of bottom plate bottom surface;The support is fixed in the middle position of bottom plate top surface;The telescopic end of telescopic cylinder is symmetrically installed in the both ends of support downwards;The outrigger is fixed in the telescopic end of telescopic cylinder;The guide rod is symmetrically fixed on the top surface of bottom plate front part, and the top of guide rod is connected by connecting rod;The guide rail is fixed in the middle position of bottom plate bottom surface;The metal detector is slidably arranged below guide rail;The water pump is fixed above water tank;The utility model is improved by punching sampling device for road and bridge detection, has the advantage of improving the stability of sampling, prevents sampling cylinder damage, to effectively solve the problems and deficiencies in prior art and equipment.

This invention provides a portable wastewater detection device for atmospheric precipitation, relating to the field of wastewater detection technology. It includes a water collection mechanism with a filtration mechanism and a detection mechanism installed within it. The water collection mechanism collects rainfall, while the filtration mechanism filters impurities from the rainfall. The water collection mechanism includes a collection cylinder with a top cover plate fixed to its upper end. The purpose of this technical solution is to: move the push-pull handle up and down along a second sliding groove, which, via a transmission rod, drives a mounting bracket to move horizontally along the groove. The mounting bracket then moves a pH detector above the top cover plate, enabling the detection of the pH value in the rainfall. After filtration, the rainfall is limited by an upper limit ring and falls into the collection plate. An evaporation heater is activated to heat the rainfall within the collection plate, causing it to evaporate and be detected by a metal detector.

The application discloses a handheld metal detector and relates to the technical field of detectors; in order to solve the problem of convenience; specifically comprising a detection disc, a telescopic assembly, a rotary locking mechanism, a handle and an arm support, the detection disc is rotatably connected and lockable mounted at the bottom of the telescopic assembly, a plurality of rotary locking mechanisms are mounted on the outer side of the telescopic assembly and are used for locking the length of the telescopic assembly, the handle and the arm support are both slidably mounted above the telescopic assembly, the handle is located on the inner side of the arm support, and the handle and the arm support are respectively locked to the outer wall of the telescopic assembly through a set of cam locking mechanisms. The application is composed of five parts, the telescopic assembly can be telescopic, and can also rotate and lock relative to the detection disc, and the handle and the arm support can both adjust the position relative to the telescopic assembly, so that the angle and the length can be adjusted in multiple ways, and the convenience of use is increased.

The utility model relates to food detection technical field discloses a kind of metal detection machines for Japanese fast food detection, including chassis, the upper end of chassis is equipped with conveying mechanism for conveying Japanese fast food to be detected, the upper end of the center of chassis is equipped with adjusting mechanism for adjusting the width of detection channel, the center of the one end of chassis is equipped with import component for keeping Japanese fast food in conveying process in the middle, the upper end of the middle region of chassis is equipped with lifting mechanism for adjusting detection height, the adjusting mechanism of the utility model rotates by motor drive bidirectional screw rod, drive mobile sleeve relatively or opposite or away along bidirectional screw rod, to push the sliding sleeve to slide on slide rail, realize the synchronous approach or away of side detection body, so that side detection body can flexibly adjust the width of detection channel according to the size of Japanese fast food to be detected, ensure that detection body is as close to food as possible, improve detection result accuracy, avoid because distance is too far and lead to detection precision decline.

This application relates to a metal detection machine for tea leaves, belonging to the field of tea production equipment. It includes a feeding frame box, a screening frame box, a magnetic separator, a sorting component, and a screening component. The screening frame box is vertically connected and fixed to the bottom of the feeding frame box, and both the upper and lower end faces of the screening frame box are through-type. Multiple insert frames are vertically arranged on the front vertical end face of the screening frame box. The magnetic separator, sorting component, and screening component all include a cover plate, and are arranged sequentially vertically inside the screening frame box. The cover plate is inserted into the insert frames of the screening frame box. Multiple magnetic rods are horizontally assembled on the vertical end face of the cover plate of the magnetic separator. This application addresses the issue of metal impurities in tea leaves, which are vertically filtered and removed in the screening frame box. The machine can separate metal impurities of varying sizes, ensuring the cleanliness of the removed metal impurities.

This disclosure relates to the field of metal detection technology, providing a metal detector for multi-frequency detection, comprising: a balanced coil system including: a transmitting coil assembly including a low-frequency and a second transmitting coil; a first transmitting coil driving circuit including: a first signal generator generating a magnetic field generation signal time-division multiplexed by first and second frequencies; a first resonant circuit allowing switching of resonant frequencies between the first and second frequencies; a first signal switcher providing a frequency switching signal to the first resonant circuit; and a second transmitting coil driving circuit including: a second signal generator generating a magnetic field generation signal time-division multiplexed by third and fourth frequencies; a second resonant circuit allowing switching of resonant frequencies between the third and fourth frequencies; and a second signal switcher providing a frequency switching signal to the second resonant circuit; the two signal generators operate together to form a combination of alternating magnetic fields generated by each frequency. The increased number of frequencies generating alternating magnetic fields enhances detection strength and accuracy, expanding application scenarios.

1. The name of the design product: metal detector. 2. The use of the design product: for checking metal. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

A blow gun is disclosed comprising at least the following components: a body (10), a handle (12), a nozzle (14), and a valve (16). Each component is detectable by an X-ray detector and a metal detector, and the handle (12) acts directly on the valve (16). Any part of each component may be detectable by an X-ray detector and a metal detector. An assembly of the blow gun with a quick-connect coupling (24), a hose (36), and a hose reel (38) is disclosed. Each component of the coupling (24), hose (36), and hose reel (38) may be detectable by an X-ray detector and a metal detector. By making all components and any part of each component detectable by both an X-ray detector and a metal detector, the blow gun and any part thereof become detectable and can therefore be used in the food and beverage industry and the medical industry.

This invention provides an automatic calibration system for a metal detector with self-testing feedback function, including a pneumatic delivery mechanism, a feeding mechanism, a storage card device, a track, and a recycling bin. The pneumatic delivery mechanism includes a launching tube, an air blowing mechanism, and a sealing mechanism. The launching tube includes an axially penetrating inner cavity, with the front end of the inner cavity serving as an outlet and the rear end as an inlet. The outlet is connected to one end of the track, the other end of the track is connected to the recycling bin, and the inlet is connected to the storage card device. The air blowing mechanism includes an air blowing guide mounting block, an air blowing block, and an air blowing guide cylinder. The air blowing guide mounting block is fixed to the side of the rear section of the launching tube. The air blowing guide mounting block has a first guide groove that penetrates radially along the launching tube, and an air blowing port that communicates with the first guide groove. The first guide groove communicates with the inner cavity of the launching tube. The air blowing block has an air passage inside, which connects the air blowing port and the inner cavity of the launching tube. The air blowing block is slidably connected in the first guide groove, and the air blowing block is fixedly connected to the telescopic end of the air blowing guide cylinder.

This invention discloses a raw material width conversion production line and a multi-tasking fully automated recycled fiber raw material processing system, relating to the fields of textile machinery and automation control technology. Addressing the problems of width mismatch, difficulty in controlling moisture regain, and uneven capacity distribution in existing production lines, this system includes a cutting machine, width conversion equipment, and a moisture regain control system. The width conversion equipment is equipped with a swingable oscillator and a forming conveyor belt with rigid protrusions to spread narrow raw materials into a wide state. The system also includes a metal detector and removal machine and multiple width conversion devices connected in parallel, with reciprocating conveyor belts between adjacent devices to achieve intelligent bypass distribution of materials. This invention achieves seamless connection from narrow raw materials to wide processes, regulates moisture regain through microwave closed-loop control, and utilizes a reciprocating conveyor mechanism to achieve "one-to-many" capacity matching, improving production efficiency and safety levels.

The application discloses a kind of for monitoring the monitoring method of the abnormality of hot metal detector of rolling mill, it is related to rolling mill control technology, the current transient value of rolling mill, torque transient value, and the current feedback value of rolling mill, torque feedback value of rolling mill are collected;The current transient value is differentially operated with the current feedback value of rolling mill, to obtain current difference value;The torque transient value is differentially operated with the torque feedback value of rolling mill, to obtain torque difference value;According to the size relation between current difference value and the standard current value set, the current heat source detected by hot metal detector is judged, and according to the size relation between torque difference value and the standard torque value set, the current heat source detected by hot metal detector is judged;If the current heat source is determined as high temperature scale, then execute abnormal alarm mechanism.The application ensures rolling stability, improves rolling performance, meets production rhythm, guarantees yield, avoids the security risk of rolling mill and motor equipment in varying degrees.

This utility model is a metal detection device for packaging bags of finished refractory lining powder. It includes a conveying mechanism with a metal detector in the middle. The metal detector has a material channel through which the conveying mechanism passes. It also includes a PLC controller. A laser marking machine is located behind the metal detector in the conveying mechanism. The PLC controller is connected to the conveying mechanism, the metal detector, and the laser marking machine. This utility model automatically conveys packaging bags containing metal impurities a certain distance after detection, and marks the packaging bags with laser marking. The marked packaging bags are easy to identify, preventing good products from being mixed in and reaching customers.

The utility model discloses a handheld metal detector, this handheld metal detector includes: the processing unit of user interface, bar piece and sensor head or coil shell, sensor head or coil shell installs on the bar piece, and the processing unit is connected to sensor head or coil shell through compound cable, and sensor head or coil shell built -in transmitter and receiver, wherein, transmitter emits emission magnetic field, receiver receives receiving magnetic field to produce one or more receiving signals, the processing unit processes one or more receiving signals to generate a plurality of different processing signals, and constructs the representation of vector sub -space based on a plurality of different processing signals, and the representation of vector sub -space is handled respectively with a plurality of target model each respectively, to determine the close degree between each target model and vector sub -space, and generates the indication output of indicating the existence of at least one target based on the close degree of each target model in a plurality of target models and vector sub -space.

The application provides a kind of scrap car non-ferrous metal sorting and recycling equipment, including rack, feed hopper, magnetic separation mechanism, guide mechanism, vortex mechanism and control unit, magnetic separation mechanism, guide mechanism and vortex mechanism are sequentially arranged on the rack, vortex mechanism includes support, drive roller, guide roller, conveying belt, eccentric roller, magnetic block, material collecting hopper one and material collecting hopper two, conveying belt forms a top horizontal ring conveying belt through drive roller and guide roller, eccentric roller is rotationally arranged in drive roller, material collecting hopper one and material collecting hopper two are sequentially arranged on one side of eccentric roller, guide mechanism includes lifting plate, electric push rod, metal detector, multiple upper electromagnetic coils and moving magnetic field generating mechanism.The application sets guide mechanism, material particles complete preliminary orientation before reaching vortex mechanism, so as to be stably thrown in vortex mechanism, avoid special-shaped particle trajectory divergence, cause wrong sorting, improve sorting purity and recovery rate.

This utility model discloses an error-proof base for an automatic marking machine, relating to the field of automatic marking machine technology. It includes a base with grooves at both ends of its upper side. A first end-limiting platform and a second end-limiting platform are respectively provided in the two grooves. At least one first side-limiting platform and a second side-limiting platform are respectively provided on both sides of the upper side of the two grooves. A first metal detector and a second metal detector are respectively provided on the upper side of the upper side of the two grooves. This utility model can detect whether the metal bushings at both ends of the object to be marked are missing through the first and second metal detectors. If the metal bushings at both ends of the object are missing or improperly placed, the system can judge based on the feedback from the first and second metal detectors and prevent the marking process from continuing, thereby avoiding incorrect marking, reducing manual inspection time, and improving production efficiency.

This application provides a wireless charging method, device, vehicle, and computer-readable storage medium, relating to the field of automotive electronics technology. This application enables foreign object detection during the wireless charging process of a device in a vehicle. The foreign object includes a near-field communication (NFC) card with a built-in metal detector. The area of ​​the metal detector is greater than or equal to the effective detection area of ​​the foreign object. Upon detection of a foreign object, wireless charging of the device is paused. This application can quickly and effectively identify the NFC card during wireless charging, thereby promptly pausing charging and preventing the NFC card from overheating and deforming or burning due to localized overheating.

1. The name of the design product: metal detector. 2. The use of the design product: for metal detection. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

A detection head (1) configured to be fixed to a handle (110) of a metal detector (100), the detection head (1) comprising: - a chassis (2) including a first face (2a) and supports (3) extending from the first face (2a); and - an inductive sensor (4), mounted on the supports (3) of the chassis (2); the inductive sensor (4) and the chassis (2) being overmolded with a plastic material such that the inductive sensor (4) and the chassis (2) are embedded in the plastic material. Figure for the abbreviation: Fig. 1

A method for detecting and removing metallic contaminants from a stream of shredded tobacco is disclosed, comprising: i) passing a stream of shredded tobacco through a first metal detector at a first flow rate; ii) if the first metal detector detects the presence of metallic contaminants in the stream of shredded tobacco, diverting the stream of shredded tobacco to a secondary flow until the first metal detector no longer detects the presence of metallic contaminants; iii) passing the secondary stream of shredded tobacco containing metallic contaminants through a second metal detector at a second flow rate less than the first flow rate; iv) if the second metal detector detects the presence of metallic contaminants in the secondary stream of shredded tobacco, diverting the secondary stream of shredded tobacco to a tertiary flow until the second metal detector no longer detects the presence of metallic contaminants; and v) returning the secondary stream of shredded tobacco substantially free of metallic contaminants to the first metal detector in step i).

To provide a method for producing a resin composition using a thermoplastic resin material containing metal, which has a high yield and excellent extrudeability during melt-kneading. [Solution] The method for producing a resin composition according to the present disclosure includes the steps of: putting a thermoplastic resin material (A) containing metal and other components into an extruder and melt-kneading them to obtain resin pellets (B); reducing the amount of metal in the thermoplastic resin material (A) or resin pellets (B) using a magnet; and reducing the amount of metal in the thermoplastic resin material (A) or resin pellets (B) using a metal detector, wherein the step of reducing the amount of metal in the pellets using a metal detector is performed after the step of reducing the amount of metal in the pellets using a magnet.

This invention relates to the field of metal detectors, specifically a method for predicting the accuracy of a metal detector. The method includes: setting the frequency of the electromagnetic field between the probe coils of the metal detector to a preset low-frequency frequency; obtaining the first resistance change and the first reactance change of the probe coils when a product sample passes through the electromagnetic field; calculating the dielectric loss factor and capacitive coupling factor of the product sample; calculating the predicted resistance change and predicted reactance change values ​​of multiple metal spheres; obtaining the principal characteristic vector of the product sample, and obtaining resistance change thresholds and reactance change thresholds based on the principal characteristic vectors; and determining the minimum diameter among all metal spheres whose predicted resistance change value is greater than the resistance change threshold or whose predicted reactance change value is greater than the reactance change threshold as the accuracy of the metal detector. This invention avoids the prediction bias caused by neglecting product effects in traditional methods.

The utility model relates to a kind of shoe sole metal detectors, including the bottom that two containing cavities are spaced apart and arranged side by side in inside, PCB coil board is horizontally arranged in each containing cavity, the bottom surface of each PCB coil board is provided with transmitting coil, the top surface of each PCB coil board is provided with receiving coil assembly, receiving coil assembly includes multiple receiving coils arranged in matrix and constitutes differential pair;Control mainboard electrically connected with transmitting coil and receiving coil is arranged in the bottom, the bottom is provided with sound alarm mechanism and light indicating mechanism electrically connected with control mainboard.The utility model improves the sensitivity of detection, can be suitable for the detection of smaller metal and can display its position.

Abstract The invention to which this application relates to improvements to a retaining band which can be used to securely locate, form and retain a load of items or goods, in one embodiment on a pallet, and thereby retain the said items or goods as a single integral package. The invention allows for the adaptation of the retaining bands to be detectable when with a predetermined range of detection apparatus such as X-ray and / or metal detection apparatus so that should the retaining band or fragments thereof be discarded or dislodged, the presence of the same is detectable and therefore prevented from becoming a potential contaminant or safety hazard. 2021200267 18 Jan 2021 H tM- Zb $ jjz "+ ,< 2 i % lb )n •$：I $ 4 ItA 6 IDTs?L id b 20tl 14 Zi f\ 2o 3 / W ^ j \. * £& ‘Is ,e> / t(*\ G'f »« / pff / '* 21 20 21 20 02 67 1 8 Ja n 20 21 1 / 1 1 / 1 24 18 Jan 2021 10 26 (L 10 14 8 2 2021200267 18 28 K76 6 1010 6 22 20 14 E Figure ; I A 14 20 no Figure 22

The utility model provides a portable metal detector with high pressure interference structure of resisting, including bottom frame, still including two ends respectively with the bottom frame connection's middle frame, one end is vertically arranged on the bottom frame a plurality of stand poles, be provided with metal detector body on the middle frame, the other end of stand pole is provided with coil clamping block, a plurality of coil clamping blocks between the around of separablely provided with high pressure coil, the end of high pressure coil with metal detector body separablely connected, the bottom frame around is provided with detection coil, the end of detection coil with metal detector body separablely connected. The utility model provides a portable metal detector with high pressure interference structure of resisting, not only has realized metal detector to resist the interference of external high pressure, and metal detector's operation is convenient and fast, is small and portable after folding storage, has improved metal detector use reliability and portability.

The utility model discloses a kind of needle detector with higher security, including cabinet, the bottom plate is equipped on the cabinet upper end, the mounting frame is equipped on the bottom plate upper end, metal detector is equipped in the mounting frame inner top, the transmission slot is opened in the bottom plate upper end, the transmission slot is rotatably connected with two transmission rods of symmetrical arrangement in the bottom plate rear end penetration, transmission belt is transmission connected between two transmission rods, the through slot is opened in the mounting frame upper end, marking mechanism for marking product is equipped in the through slot, the bottom plate upper end is equipped with the pushing mechanism for pushing product. The utility model makes controller control hydraulic rod start, makes hydraulic rod telescopic end push marker to move, makes marker to contact and mark job with product, brings certain convenience for people to the extraction of subsequent broken needle, improves the overall security of device.

Metal detector (10) for detecting metal pieces below the earth's surface, comprising a sensor (12) and a fastening device (14) connected to the sensor (12), characterized in that the fastening device (14) is designed for attachment to an animal (16) and / or a walking robot.