45 results about "Clamper" patented technology

Provided is a cutting tool in which a clamper resists tilting and fixes an insert with higher precision. A cutting tool according to the present disclosure comprises a holder, a clamper, an insert, and a fixing member. The holder has a rod shape, and has a tip surface, a side surface, a first hole, a second hole, and a pocket. The clamper has a body part and a projection part. The body part has a slit that opens toward the second hole. The fixing member has a screw part and an abutting part capable of restraining the clamper by abutting on the clamper.

The invention relates to the technical field of automatic control, in particular to a self-adaptive clamping control method, device and system for a clamping device and a medium, and the method comprises the steps that real-time clamping force of the two ends of the clamping device is obtained, and whether the clamping device is in a clamping state or not is determined according to the real-time clamping force; under the condition that the clamping device is in the clamping state, the material of the clamping target is obtained, the optimal clamping force corresponding to the material is determined, and the clamping force difference value of the real-time clamping force and the optimal clamping force is obtained; based on the clamping force difference value, a control quantity adjusting model of the clamp holder is established, and the clamp holder is driven to conduct clamping control according to the control quantity; wherein the control quantity adjustment model comprises a feed-forward compensation quantity and a PID control model; according to the invention, self-adaptive clamping control can be realized, and the clamping stability and efficiency are improved.

An ESD circuit includes an ESD clamp device with an ESD clamp transistor. The ESD clamp transistor has two sets of one or more body contacts. One set is coupled to a supply voltage rail and the other set is coupled to a clamp activation circuit. The clamp activation circuit is coupled to a clamp device. During an electrical stress event of a sufficient severity affecting a supply voltage rail, the activation circuit makes the clamp device conductive to transfer charge between supply voltage rails.

The utility model relates to the field of digital IO technology, and specifically discloses a digital IO compatible with multiple logic levels, including: a logic level converter, the output end of which is electrically connected to the input of a digital module inside a chip, and is used to convert the logic level from a signal PAD into the logic level of the digital module; a power clamp, which is used to provide ESD protection across the power supply lines inside and outside the chip and the chip power PAD; an ESD protection unit, the input signal PAD is electrically connected, and the output is electrically connected to the input end of the logic level converter. The utility model adds a logic level converter before the digital module inside the chip, converts the logic level from the PAD signal into the logic level voltage value of the power supply inside the chip, and avoids the problem that when the logic level from the PAD signal is between the power supplies inside and outside the chip, the traditional digital IO may output an intermediate level or a high level, resulting in serious leakage and output errors.

A clamper actuation mechanism contains: a fixed clamper, a drive handle, and a movable clamper. The fixed clamper includes a fixed defining sheet, two first pieces, two elongated slots, two first locating orifices, and two second locating orifices. The drive handle includes a press extension, a third locating orifice, a fourth locating orifice, and a first stem. The movable clamper includes a movable defining sheet and two second pieces. Two fifth locating orifices are formed on the two first pieces, two limiting grooves are defined on the movable clamper, and a second stem is inserted through the two fifth locating orifices and the two elongated slots to rotatably connect the movable clamper and the fixed clamper. A control bar is inserted through the two limiting grooves, the two second locating orifices and the fourth locating orifice to rotatably connect the movable clamper, the drive handle, and the fixed clamper.

The invention relates to a drill rod clamping and pipe screwing device, which relates to the technical field of drill rod tripping equipment, and comprises a rack, which is vertically provided with a through hole for a drill rod to pass through in a penetrating manner; the clamp holder assembly is fixedly mounted on the rack and is used for clamping a next drill rod; the pipe twisting device assembly is positioned above the clamping device assembly; one end of the pipe screwing seat is fixedly connected to the inner side of the pipe screwing gear ring, the pipe screwing seat is connected to the rack in a sliding mode, the hoop is connected to the other end of the pipe screwing seat in a sliding mode, the driving end of the pipe screwing driving piece is connected to the pipe screwing gear ring in a transmission mode, and the hoop is used for clamping a previous drill pipe. By the adoption of the technical scheme, clamping and pipe screwing operation of the drill rod can be smoothly achieved, and the probability of personnel injury is reduced.

The invention discloses a radio frequency front-end module, a protection circuit and electronic equipment, the radio frequency front-end module comprises a power amplifier, a clamping module, a switch module and an overvoltage protection module, the power amplifier is provided with a signal output end, and the signal output end is connected with a power supply port. The clamping module is connected between the signal output end and the grounding port. The clamping module comprises a plurality of first clamping devices which are connected in series. The switch module is connected with the clamping module, the switch module is provided with at least two adjusting gears, and under the different adjusting gears, the number of the first clamping devices connected into the clamping module is different. The overvoltage protection module is connected to the power supply port and the switch module, and is configured to control the switch module based on the amplitude of the power supply voltage, so that the switch module is switched among different adjusting gears. The clamping voltage of the clamping module can be flexibly adjusted according to the amplitude of the power supply voltage, so that the safety of the power amplifier is guaranteed on the premise that the saturation power is not lost.

The invention discloses a signal control method for a double-high-speed-line rear-area station clamping device, relates to the technical field of steel production, and solves the technical problem that production interruption is finally caused by the fact that hook sending cannot be carried out in the whole domain due to signal faults of an existing double-high-speed-line rear-area station clamping device. The method comprises the steps that the real-time position of a clamping element of the clamping device is obtained, when the real-time position of the clamping element is a clamping in-place position, a first clamping position signal is output, meanwhile, a clamping in-place signal of the clamping device is collected, the time when the clamping in-place signal is collected is compared with the time when the first clamping position signal is received, and if the clamping in-place signal is not collected, the clamping in-place signal is obtained. And when the time when the clamping in-place signal is collected is inconsistent with the time when the first clamping position signal is received, a clamping fault signal is output, and a first correction mechanism is triggered. The invention further discloses a control system for the signals of the double-altitude line rear area station clamping device. The situation that hook sending cannot be carried out in the whole domain due to signal faults of the clamping device is avoided, and the working efficiency is improved.

This invention relates to the field of clamping control, and more particularly to an active voltage overshoot clamping system for battery testing equipment. The invention comprises a clamper, a feature memory, a filter, an interference analyzer, a predictor, and a clamping controller. It uses prior data—including the test step execution sequence, time-domain mapped overshoot characteristics, and the attribute characteristics of the tested battery—to filter out overshoot step combinations and construct a drift feature pool specific to each combination. Subsequently, when the test equipment pre-executes the overshoot step combination, the overshoot occurrence is predicted, and a clamping optimization strategy is determined based on the adaptability of the drift feature pool, adjusting the duty cycle upper limit in advance. This invention utilizes prior data to summarize overshoot step combinations and considers the differences in the attributes of the tested battery to construct a drift feature pool. This allows the system to perform clamping control adaptably to the attributes of the tested battery under different overshoot step combinations, improving the accuracy and reliability of overshoot voltage suppression.

The utility model relates to a mechanical self-locking die clamper with a pressing plate capable of being retracted, which comprises a die clamper body, the pressing plate, a power device and a locking pin, a sliding channel is arranged in the die clamper body, the pressing plate is in sliding fit in the sliding channel, the power device is arranged on the die clamper body, the power output end of the power device penetrates into the sliding channel to be connected with the pressing plate, and the locking pin is arranged on the die clamper body. An inner matching groove is formed in the bottom of the power output end of the power device, the locking pin is arranged in the inner matching groove in a sliding fit mode, and a locking groove allowing the locking pin to be embedded in is formed in the bottom of the sliding channel. According to the technical scheme, the pressing plate of the mold clamping device can be completely retracted into the mold clamping device body, so that the mold is allowed to be assembled and disassembled vertically, the locking force on the mold can be kept when the power of a power source is lost, the stability of the mold is not influenced, and the production safety is ensured.

A method of manufacturing a chip by dividing a wafer, includes first and second division steps. The first step includes pressing, while clamping a first region of a wafer unit by a clamper, a second region of the wafer unit from a back surface side of the wafer or from a front surface side. The wafer unit includes the wafer and a sheet fixed to a back surface of the wafer. The first region of the wafer unit is on one side of a first planned division line of the wafer. The second region is on the opposite side of the first planned division line. The second division step includes pressing the second region of the wafer unit from the back surface side or from the front surface side different from that in the first division step, while clamping the first region of the wafer unit by the clamper.

To provide a component loading device capable of preventing substrate loading work from being executed in a state where a substrate is not normally held, a component loading system and a substrate holding method.SOLUTION: A component loading device comprises: an elevating body 41 which is elevated at a lower side of a substrate KB; a movable clamper 34 which is pushed up by the rising elevating body 41 and carries up the substrate KB located at a predetermined position; and a stationary clamper 35 which is located above the movable clamper 34 and on which a top face of the substrate KB carried up by the movable clamper 34 abuts. The component loading device further comprises: a height detection section 63 which detects a height of the elevating body 41; and a storage section for storing data of a known abutment height as a height of the elevating body 41 in the case where the top face of the substrate KB abuts on the stationary clamper 35. It is determined whether or not the substrate KB abuts on the stationary clamper 35 by comparing a stop height ΔTK, which is a height of the elevating body 41 detected by the height detection section 63 in a state where the elevating body 41 stops rising, with the abutment height.SELECTED DRAWING: Figure 14

The utility model relates to the technical field of electrode processing, in particular to a positioning device for an air film hole in a shielding part of a duplex integral casting guide vane, which comprises a seat part, a controller, an air driving part, a pressing and locking module, a pressing plate piece, a pressing column piece, a duplex vane, an electrode holder I and an electrode holder II, a first wedge face supporting plate is fixedly connected into a front left side groove position of the base, a second wedge face supporting plate is fixedly connected into a front right side groove position of the base, and wedge face positioning supporting blocks are fixedly connected to the inner sides of square grooves of the first wedge face supporting plate and the second wedge face supporting plate. According to the positioning device, through the arrangement of the seat part, the air driving part, the pressing and locking module, the pressing plate piece and other structures, the use of bolts of the positioning device is reduced, and on the premise that firm fixing is guaranteed, the positioning hole channel with the upper opening is formed in the inner side of the wedge face supporting plate I and the inner side of the wedge face supporting plate II. And a worker can conveniently and quickly fix, disassemble and assemble the duplex integrally cast guide blade.

A composite logic gate circuit, a chip comprising the same and an electronic device, the composite logic gate circuit comprising a driving circuit and having a signal output end and K signal input ends, a first end of the driving circuit being connected to the signal output end of the composite logic gate circuit and connected to a high-level power supply through a load circuit, and a second end of the driving circuit being connected to a low-level power supply, wherein the driving circuit comprises K first depletion-mode HEMT devices and L clamping devices, the K first depletion-mode HEMT devices are arranged into M and structures, the L clamping devices are arranged into M clamping units, each and structure corresponds to a clamping unit, M and L are positive integers, and K is an integer greater than or equal to 2. Through the embodiments of the present application, the composite logic gate circuit based on the depletion-mode field effect tube of the compound semiconductor substrate is constructed, the performance density and the function density of the high-end radio frequency system of the compound hybrid circuit can be improved, and the cost can be reduced and the reliability can be improved.

A work processing device that performs a predetermined process on a workpiece includes a pair of side clampers that clamp a pair of opposing side surfaces of the workpiece from the sides of the workpiece, a top clamper that is provided on at least one of the pair of side clampers and with which the top surface of the workpiece comes into contact, and a height measuring means that measures the height of the top clamper.

One object of this application is to provide an advanced substrate holder including a clamper. A substrate holder for holding a substrate by interposing the substrate between frames is disclosed. The substrate holder includes a front frame, a rear frame, and one or a plurality of clampers. Each of the clampers includes a hook portion including a hook base and a hook main body, and a plate including at least one claw. At least one of the clampers includes the plate including a first claw for a lock and a second claw for a semi-lock.

An electronic device holder includes an electronic device; an extendible frame connectable with the electronic device and including at least one fastener; a clamper including a base and a clamping part mounted on the base; and a support frame rotatably connected to the extendible frame and the clamper and including two supporting portions each including two connection rods parallel to and spaced from each other to define a slide channel. Upper and lower fixing rings are respectively arranged at upper and lower ends of the connection rods. An upper rotation axle is arranged between the two upper fixing rings and is rotatable in synchronization therewith. A lower rotation axle is arranged between the lower fixing rings and is rotatable in synchronization therewith. The fastener penetrates through and is movable along the slide channel to make the extendible frame reciprocally move to extend / contract relative to the support frame.

The utility model provides a step-down circuit based on discrete components, and relates to the technical field of circuit step-down, the step-down circuit comprises a step-down control circuit and a step-down voltage stabilizing circuit, the step-down control circuit comprises a self-locking button H1, an MOS tube U3 and an MOS tube U2, the self-locking button H1 controls the conduction states of the MOS tube U3 and the MOS tube U2 so as to switch the circuit to be in a step-down mode or a non-step-down mode, and the self-locking button H1 controls the conduction states of the MOS tube U3 and the MOS tube U2. The voltage reducing and stabilizing circuit comprises a voltage stabilizing diode ZD1, a voltage stabilizing diode ZD3, a triode Q1 and a triode Q2, and the voltage stabilizing diode ZD1 and the voltage stabilizing diode ZD3 jointly form a clamping device; the technical key points are as follows: switching of voltage reduction modes is realized by ingeniously utilizing a self-locking key, multiple functions of surge resistance, secondary protection, voltage stabilization, overvoltage protection, filtering, outage detection and the like are combined, the stability and the safety of the circuit are ensured, and the voltage reduction circuit is simple, easy to realize, relatively low in cost and relatively high in reliability. And the method can be applied to various electronic devices requiring flexible voltage regulation.

To solve the problem that a clamper is inclined and an insert cannot be accurately fixed.SOLUTION: The cutting tool includes a holder, an insert, a clamp member, and a fixing member. The holder has a bar shape and includes a front end surface, a pocket, a first side surface, a first hole, and a second hole. The clamp member includes a main body and a protrusion. The fixing member includes a shaft portion, a first head portion, and a second head portion. The second head portion is attachable to and detachable from the shaft portion.SELECTED DRAWING: Figure 2

To provide a clamper that uniformly distributes the load applied to the input unit to a workpiece, and a clamper design method. [Solution] A clamper according to one aspect of the present disclosure comprises an input portion, a clamping surface facing the input portion, a high-rigidity portion, and a low-rigidity portion. The high-rigidity portion and the low-rigidity portion are arranged between the clamping surface and the input portion. The rigidity of the high-rigidity portion is higher than that of the low-rigidity portion. The rigidity of each position of the clamping surface relative to the input portion is proportional to the cube of the distance from the input portion.

A screen body holder includes two fixing clampers and a holder frame; a placing slot is downwardly formed from the top of the fixing clamper, and in a first direction, each of two ends of the placing slot includes an opening; placing slots of the two fixing clampers are disposed opposite each other in the first direction; locking slots are disposed on one of two slot walls of each placing slot, and the plurality of locking slots are spaced in a vertical direction; a to-be-supported screen body is capable of being obliquely placed in the placing slot and is engaged with one of the plurality of locking slots; two ends of the holder frame are connected to the two fixing clampers, respectively.

The application discloses a kind of super strong overvoltage protector of failure safety, it is related to electronic product field, including switching device and clamping device;Switching device and clamping device are packaged as a whole, located in the inside of shell;The inside of shell is provided with lead wire, one end of lead wire is connected with the combination of switching device and clamping device, the other end of lead wire is connected with electrode outside shell, and the welding spot of lead wire and lead wire is used as the failure open circuit device of overvoltage protector.The product size of the present application is miniaturized, and it is patching;The working voltage of electrical performance is high, and the fault tolerance of working voltage is high;Surge capacity is strong;Residual voltage is low, and the protection effect is good;Energy saving and environmental protection, that is, the electrical performance of overvoltage protector, under high working voltage, the leakage current is low, in high temperature environment, the temperature rise of product is small, and the reliability of long-term use is high;Failure open circuit;It has the extensive application demand and broad prospect of adapting to the development trend of present electronic industry.

1. The name of the product under this design: mold clamping machine. 2. Application of this design product: used for processing plastics. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

A sense amplifier includes a voltage comparator with offset compensation, a first clamping device, and a second clamping device. The voltage comparator is coupled to a bit line and a reference bit line, respectively, and is configured to compare a first input voltage and a second input voltage to output a sense signal. The first clamping circuit and the second clamping circuit respectively fine-tune the voltage corresponding to the bit line and the voltage corresponding to the reference bit line to match the voltage corresponding to the bit line. Embodiments of the present invention also relate to a method for operating a non-volatile memory.

An apparatus for manufacturing a display device includes a stamp member including an adsorption area and first to fourth edge areas, a stamp head unit which adsorbs the adsorption area of the stamp member, a main body unit which has the stamp head unit installed therein and is movable along a first direction and a second direction, a clamping unit installed in the main body unit to be movable along the first direction and the second direction, and a pressurizing unit installed in the main body unit to be movable along the first direction and the second direction, where the pressurizing unit operates in one of a first mode and a second mode, and the clamping unit includes first to fourth clampers which clamp the first to fourth edge areas of the stamp member, respectively, when the pressurizing unit is changed from the second mode to the first mode.

To provide a workpiece support device for a grinding machine capable of shortening the replacement time for a shoe.SOLUTION: A workpiece support device 4 which supports a workpiece W arranged in a horizontal or vertical posture in a grinding machine 1, includes a shoe holder 7 that holds a shoe 6 supporting an outer circumferential surface Wb of the workpiece W, and a base plate 8 to which the shoe holder 7 is detachably attached. The base plate 8 is provided with a clamper 9 that pivots around a first support shaft X1 and takes a clamping posture in which the shoe holder 7 is clamped between the base plate 8 and itself, and a non-clamping posture in which the shoe holder 7 is not clamped, and a lock member 12 that pivots around a second support shaft X2 and takes a pivot restriction posture in which the lock member engages with the clamper 9 in the clamping posture in its pivoting direction to restrict the pivoting of the clamper 9, and a pivot permission posture in which the pivoting of the clamper 9 is permitted.SELECTED DRAWING: Figure 7

This workpiece processing device for performing prescribed processing on a workpiece comprises: a pair of side clampers for clamping a pair of opposing side surfaces of the workpiece from lateral sides of the workpiece; a top clamper which is provided on at least one of the pair of side clampers and with which the upper surface of the workpiece is brought into contact; and an altitude measurement means for measuring the altitude of the top clamper.

This application discloses a high-power drive device with an integrated Miller clamp gate driver coupled to a terminal of a package housing an integrated circuit coupled to the terminal. A method includes generating an indication of a signal level at the terminal relative to a predetermined signal level. The method also includes configuring a variable-strength driver of the integrated circuit to charge, discharge, or clamp the terminal based on a control signal and the indication.