49 results about "Modular fixture" patented technology

A modular and easily serviced area light is provided. Area lights described herein use a modular fixture design to facilitate in-field serviceability and upgradeability of power, lighting, sensor, and other components. In particular, light fixtures include a housing with an integrated hinge to provide access to sub-assemblies and electrical components without removal of doors, access panels, or other large fixture parts. In this manner, various components can be easily serviced or upgraded, including power circuitry (e.g., light-emitting diode (LED) drivers and / or power converters) and a light engine (e.g., to provide a larger LED array). At least some components may be accessed for service without need for specialty or any tools. In addition, sub-components, such as a power outlet (e.g., a NEMA-rated outdoor receptacle), a sensor, etc., can be installed in-field without needing to replace main fixture components.

The utility model belongs to the technical field of aviation casing assembly, and discloses a combined clamp used for installing an angular relation positioning pin, which comprises an aviation casing and a clamp body, the clamp body is used for assembling the positioning pin or the angular relation positioning pin on the aviation casing, two ends of the aviation casing are respectively provided with a positioning pin hole and an angular relation positioning pin hole, and the positioning pin hole and the angular relation positioning pin hole are arranged on the clamp body. The clamp body comprises a supporting plate, a fastening bolt, a special pin and a positioning cylinder, the supporting plate is of a rectangular frame structure, and a first positioning hole and a second positioning hole are formed in the two ends of the supporting plate respectively. High-precision positioning of the positioning pin and the angular pin is achieved, the assembling precision is greatly improved, the stability and consistency of the assembling process are ensured, and therefore the product quality and the qualified rate are improved, the assembling speed is greatly increased, and the requirement for large-scale production is met.

The invention discloses an aircraft assembly modularized clamp and a control method. The clamp comprises a T-shaped sliding module, a supporting module is arranged at the upper end of the T-shaped sliding module, an arc-shaped sliding rail is arranged at the upper end of the supporting module, at least two moving modules are arranged on the sliding rail, and an arc-shaped rack is arranged on the inner side of the sliding rail in the length direction; a cylindrical gear meshed with the rack is arranged on the movement module, and the cylindrical gear is driven by a servo motor to roll on the rack so as to drive the movement module to slide on the sliding rail; a telescopic suction cup assembly is arranged at the upper end of the movement module and connected with a part through a suction cup at the end. The control method comprises steps S1 to S6. The system adapts to complex part curved surfaces, in order to improve the self-adaptive capacity of the system, a self-adaptive fuzzy PID controller is adopted for conducting real-time self-regulation and control on clamping force, deviation and the deviation rate serve as input variables, the dynamic characteristics of the system can be captured more comprehensively, and therefore the system is adjusted in time.

The application provides a grinding machine suitable for defect detection of various rotary workpieces, which comprises a defect detection assembly and a grinding assembly, wherein the defect detection assembly is composed of a first conveyor, a first turnover assembly, a second conveyor, a first rotating assembly and a third conveyor, and the grinding assembly is composed of a protection assembly, a conveying assembly, a second rotating assembly and a second turnover assembly. The application can realize full-process automatic processing from detection and identification to grinding, can realize comprehensive and rapid detection and classification of surface defects of rotary castings of different sizes, can distinguish between defects that need to be processed and casting features that are allowed to exist, can avoid misprocessing, can generate efficient and non-interfering grinding paths, and can automatically compensate for shape errors of individual castings. Through modular clamp design, rapid workpiece identification, automatic program calling and trajectory compensation, rapid production change of rotary castings of different specifications is realized, and the quality, efficiency and digitalization and intelligentization level of production are significantly improved.

This utility model provides a modular fixture, which features a support port on a support block. A carrier plate module is fixed to the support port by its own counterweight, allowing the carrier plate module to be lifted upwards from the support port and separated from it. Simultaneously, a product slot for positioning, fixing, and guiding the product is provided on the carrier plate module. Therefore, when a product needs to be raised or replaced, or when different products need to be tested and processed in the same workstation or testing equipment, only a carrier plate module compatible with the product needs to be prepared for replacement. There is no need to customize or discard the entire fixture, thereby reducing equipment manufacturing costs and avoiding resource waste caused by discarding the entire fixture. This utility model belongs to the technical field of fixtures.

The invention relates to a pipeline self-adaptive cutting device and a control method thereof. The pipeline self-adaptive cutting device comprises a numerical control positioning frame, two parallel rails are arranged on a frame body, and sliding blocks capable of sliding are installed on the rails; the electric three-jaw chuck is fixed to the supporting plate, and the supporting plate is connected with the sliding block, connected to the track in a sliding mode through the sliding block and used for clamping the pipe and driving the pipe to rotate. The electric three-jaw chuck adopts a modularized clamp; the plasma cutting head is fixedly arranged at the tail end of the numerical control positioning frame, and the axis of the cutting head is perpendicular to the axis of the pipe; the servo driving system comprises a motor and a drag chain, and the motor drives the drag chain to contract to drive the electric three-jaw chuck to translate along the track; limiting sensors are arranged on the two sides of the track, and the positioning precision is + / -0.1 mm; the pipe is moved to a cutting position according to the set length; and the control unit is internally provided with a parameterized input interface for the pipe length, the pipe diameter and the cutting number, presets cutting parameters and controls the numerical control positioning frame to move, the electric three-jaw chuck to rotate and start and stop cutting.

The present invention provides a modular fixture and a machining method for blisk electrochemical machining, belonging to the technical field of electrochemical machining. It adopts a modular structure design that can be quickly disassembled and assembled, different from the integral structure design of traditional fixtures. It mainly includes a cathode fixing module, a bearing module, and a clamping module. For different machining angles, the relative position of the bearing module and the cathode fixing module is adjusted to drive the workpiece to rotate around the Y-axis to different angles to seek a smaller blade shielding angle; by designing and adjusting the sub-module features of the clamping module, the clamping and fixing of blisks with different size specifications can be realized on the premise of ensuring the repeat positioning accuracy of the workpiece. The characteristic of the modular structure is that only the corresponding module needs to be changed to change a certain sub-function. This design reduces the program complexity, shortens the product R & D and manufacturing cycle, changes the limitation of the traditional fixture of "one-to-one", and greatly enhances the versatility of the fixture.

Disclosed herein is a modular fixture alignment unit including a dock fixture configured to accommodate a plurality of electrical energy storage devices, and an aligner assembly designed to align the dock fixture within the reach of a battery handling system of a charging and interchange station. The dock fixture comprises a central platform supported by multiple mounting columns that are mounted on the aligner assembly. An upper platform is mounted on the central platform and supported by several support columns. A lower platform is located beneath the central platform, supported by support columns. Berths are formed above each of the platforms for accommodating energy storage devices. Also disclosed is an aligner assembly comprising a X-platform and a Y-platform, each of which are linearly displaced by respective rack-and-pinion units driven by a prime mover, and a Z-platform with a lift.

The present invention relates to the technical field of double-spindle machine tool equipment, and specifically provides a structure of a double-spindle numerical control machine tool; it includes a double-axis machine tool, and the double-axis machine tool includes a rotary machining table; a modular fixture for clamping a workpiece is detachably installed on the rotary machining table, and the modular fixture includes: a push-pull mechanism installed on the rotary machining table; two reference blocks arranged horizontally opposite to each other; the push-pull mechanism is connected between the two reference blocks for driving the two reference blocks to approach or move away synchronously; two groups of end blocks; a plurality of spare blocks; four side clamping components fixedly arranged on the four end blocks one by one; and a locking shaft group for locking the positions of the reference blocks, spare blocks and end blocks in the axial direction of the locking shaft group; in the present invention, the provided modular fixture improves the flexibility, applicability, versatility and economy of the fixture through modular design, and is especially suitable for double-spindle synchronous machining of workpieces with symmetrical structures.

The utility model relates to the technical field of clamps, in particular to a modularized clamp which comprises a clamp seat, a plurality of grooves are formed in the top surface of the clamp seat, a clamping seat is clamped in the grooves, a notch is formed in the top surface of the clamping seat, a rotating rod is rotationally connected in the notch, an installation seat is fixed to the end side of the rotating rod, and the installation seat is fixed to the top surface of the clamp seat. And a clamping mechanism is mounted in the mounting seat, and is used for conveniently clamping and fixing a workpiece. Angles of the mounting seat and the clamping mechanism can be adjusted through a worm and worm gear transmission system by rotating the rocker, and clamping requirements of workpieces in different shapes can be met. By means of the multi-angle adjusting function, the clamp can cope with various complex machining tasks, the universality and applicability of the clamp are enhanced, the positions of the clamping seats can be flexibly adjusted according to the machining requirements of workpieces in the clamping and bolt fastening mode that the first screw holes linearly distributed in the clamp seats are matched with the clamping seats, and accurate positioning is achieved.

This utility model discloses a modular spinneret fixture base, applied in the field of fixture bases. It includes a fixed plate with fixed frames bolted to both sides. A U-shaped frame is provided at the bottom of each fixed frame. First screws are welded to both the front and back of the fixed frames. Sliding grooves are formed on both the front and back of the U-shaped frame. The other end of each first screw extends to the outside of the sliding groove and is threadedly connected to a nut. Strips are equidistantly placed on the top of the fixed plate. A second screw is threaded through the top of the fixed frame, and a movable plate is rotatably connected to the bottom of the second screw. This design features height adjustment, increasing the distance between the fixture and the table surface, reducing height differences during operation, offering good flexibility, facilitating strip replacement, and simplifying operation. It improves the efficiency of personnel inspection and maintenance, and demonstrates good stability and practicality.

The utility model discloses a modularized clamp for a bonding machine, which comprises a base, a plurality of pressing plates, a plurality of first limiting blocks and a plurality of second limiting blocks, a station platform is protruded on the base, the pressing plates can be arranged on the station platform, a plurality of first screw holes are arranged on the pressing plates, the plurality of first screw holes are distributed in a square matrix, auxiliary alignment patterns are printed on the pressing plates, and the second limiting blocks are arranged on the base. The auxiliary alignment patterns are grids with the circle centers of all the first screw holes as the centers of all the unit grids, the hole diameters of the first screw holes in different pressing plates are the same, and the side lengths of square matrix units formed by the first screw holes are different. The number and the positions of the first limiting blocks and the second limiting blocks are adjusted, the device is applied to bonding proofing of packaging substrates of different shapes and sizes, the pressure borne by the packaging substrates is reduced, therefore, a protection pad does not need to be arranged on the back faces of the packaging substrates, disassembly, assembly and replacement are convenient and fast, the working efficiency of bonding proofing in the early stage of chip packaging is improved, and the production cost is reduced. And the production cost and the material waste are reduced.

The turning clamp base comprises a base flange, a taper body, a pull sleeve, a pull shaft and a pull claw, the upper portion of the base flange is fixedly connected with the taper body, the pull sleeve is connected with the inner wall of the base flange and / or the taper body in a sliding mode, the pull shaft and the pull claw are inserted into the pull sleeve and are connected with the pull sleeve in a sliding mode, and the pull shaft is connected with the pull claw in a sliding mode. The pull shaft is connected with the pull claw and drives the pull claw to move up and down, an inner taper hole with the upper diameter larger than the lower diameter is formed in the inner side of the taper body, and a second inward inner protrusion is formed on the pull sleeve. When the turning clamp base is connected with an inner clamp, a large-diameter workpiece with an inner hole can be clamped; when the turning clamp base is connected with the outer clamp, a small-diameter workpiece can be clamped; compared with the prior art, the turning clamp base does not need to be replaced, different workpieces can be clamped only by replacing corresponding clamps, time is saved, clamping efficiency is improved, and defective products caused by insufficient tool clamp debugging experience are avoided.

The invention discloses a damping material support performance evaluation method and system, and relates to the technical field of damping material support performance evaluation, and the method comprises the steps: obtaining a finished damping material support, a modular clamp, a calibration part and a loading spectrum library; the clamping calibration piece applies calibration excitation and collects calibration response data, clamping boundary parameters are determined, and a boundary compensation parameter set is generated; clamping a finished product bracket, applying a preset clamping condition, and determining a test excitation sequence corresponding to the preset working condition set according to the loading spectrum library; applying a test excitation sequence to acquire support response data, and performing compensation based on the boundary compensation parameter set to obtain equivalent evaluation data; calculating a dynamic equivalent parameter set based on the equivalent evaluation data and constructing a finished product performance fingerprint spectrum; and outputting an evaluation conclusion according to the finished product performance fingerprint, wherein the evaluation conclusion comprises a non-risk working condition set judgment result and a risk working condition set judgment result. According to the method, the comparability and the recheckability are improved, the misjudgment risk is reduced, and the consistency evaluation and model selection reliability is enhanced.

The invention provides a modularized clamp structure based on TGV wet spraying equipment, the modularized clamp structure comprises a clamp mounting rack and a mounting frame, clamp clamping rods are arranged on the periphery of the clamp mounting rack, the mounting frame is composed of product supporting parts located at the four corners and thin and long connecting parts connected between the adjacent product supporting parts, and the product supporting parts are connected with the thin and long connecting parts. The product supporting part comprises a diagonal platform, a jacking driving device is arranged on the diagonal platform, a pressing frame is arranged above the product supporting part, a first hinge table is arranged on the diagonal platform, a second hinge table is arranged at the lower end of the pressing frame and corresponds to the first hinge table, and the jacking driving device is arranged on the second hinge table. The first hinge table and the second hinge table are connected through two hinge rods arranged in parallel to form a parallelogram moving mechanism, and the output end of the jacking driving device is in pushing sliding connection with the pressing frame. The invention relates to the technical field of TGV spraying clamping.

The application discloses a kind of intelligent manufacturing processes of motorcycle muffler based on laser cutting and automatic welding, and relates to the technical field of motorcycle muffler manufacturing;The process includes: intelligent laser cutting and bevel prefabrication, cylinder automatic roll and group, multi-robot collaborative adaptive welding, on-line quality detection and data tracing four core steps.By laser cutting synchronous prefabrication bevel and positioning mark hole, accurate positioning is realized by combining visual positioning and modular fixture;Adopt double-robot collaborative welding, the first robot scans weld and adaptive tack weld, the second robot carries out cover surface welding;After welding, quality detection is carried out by three-dimensional scanning, and full-process data tracing system is established.The application realizes the full-process intelligentization, flexible production from sheet metal to finished product, significantly improves production efficiency, product quality consistency and traceability.

This utility model relates to the technical field of medal positioning platforms, specifically to an adjustable vacuum adsorption medal positioning platform, including a base plate, a flow channel plate, a panel, and an angle adjustment mechanism. The flow channel plate is installed on the upper surface of the base plate, and the panel is installed on the upper surface of the flow channel plate. The angle adjustment mechanism is embedded in the center of the base plate, the flow channel plate, and the panel. The edge of the base plate has a sliding groove, and the center of the upper surface of the base plate has an installation groove. The center of the flow channel plate has a through groove. The multi-channel vacuum adsorption system ensures the adsorption stability of the circular medal. Combined with the radial stepless fine adjustment mechanism of the worm gear drive and the original "dual-state drive component" (0.5mm sinking in the normal state to isolate processing vibration, and 0.5mm lifting to rigidly contact the medal during adjustment), the transmission engagement and rotation unlocking are realized synchronously under the linkage of the inclined platform lifting block controlled by a single bolt. With the help of the diagonal spring compression modular fixture, a 3-second rapid shape change and adaptive compression are achieved.

The invention provides a cylinder body centralized flexible machining process and an adjustable modular clamp structure. The adjustable modular clamp structure comprises an expansion clamping device, a rotary clamping device, a sliding clamping device and a base plate, and the base plate is used for being installed on driving equipment; clamping grooves are formed in the bottom ends of the expansion clamping device, the rotary clamping device and the sliding clamping device, a plurality of connecting holes are formed in the base plate, and flexible positioners used for being matched with the clamping grooves to fix the expansion clamping device, the rotary clamping device and the sliding clamping device are arranged in the connecting holes. A first ball assembly is installed on the face, used for making contact with the cylinder body, of the rotary clamping device. A mounting area for mounting the cylinder body is formed among the expansion clamping device, the rotary clamping device and the sliding clamping device; the problems that in the prior art, a clamp structure lacks the clamping freedom degree, the clamp remodeling debugging time is long, the clamping ejector block is tedious to adjust, and compatibility is poor can be solved.

A modular and easily serviced area light is provided. Area lights described herein use a modular fixture design to facilitate in-field serviceability and upgradeability of power, lighting, sensor, and other components. In particular, light fixtures include a housing with an integrated hinge to provide access to sub-assemblies and electrical components without removal of doors, access panels, or other large fixture parts. In this manner, various components can be easily serviced or upgraded, including power circuitry (e.g., light-emitting diode (LED) drivers and / or power converters) and a light engine (e.g., to provide a larger LED array). At least some components may be accessed for service without need for specialty or any tools. In addition, sub-components, such as a power outlet (e.g., a NEMA-rated outdoor receptacle), a sensor, etc., can be installed in-field without needing to replace main fixture components.

The invention relates to the technical field of electronic metal packaging shell electroplating, and discloses a metal cover plate connecting rib cutting tool clamp which comprises a bottom plate, and the top of the bottom plate is connected with a top plate through a reset assembly. A vertical stamping and cutting structure is adopted, thick cover plate connecting ribs of 1 mm or above can be cut off through single-time pressing, the problems that manual cutting is strenuous, hands are hurt and the like are solved, modular clamps can be replaced to adapt to cover plates of different shapes and sizes, operation is simplified, operation is easy to achieve, positioning and cutting are integrated, operation is completed through single-handle pressing, and the production efficiency is improved. The position of the correcting plate can be adjusted in the process of cutting off the connecting rib, so that the correcting plate is separated from the connecting rib, the correcting plate does not hinder movement of the connecting rib when the connecting rib is cut off, extra force does not need to be consumed, labor is saved in the whole process, cutting is convenient, the correcting plate can be supported through the supporting assembly, and the correcting plate is convenient to use. Therefore, the condition that the correction plate is bent can be avoided in the process that the connecting rib abuts against the correction plate.

A modular fixture which may include an LED light board and an LED driver, positioned along a support bracket, and may include a plurality of acoustic baffle vanes. The fixture further includes a series of fasteners, some of which are positioned along the support bracket, while others are positioned on an inward-facing surface of the acoustic panels. The fasteners are capable of removably securing acoustic panels to the support bracket.

The utility model relates to a device for quickly switching clamps and taking workpieces, which comprises a universal platform and a plurality of modular clamps which are detachably connected with the universal platform. Lifting lugs are arranged on the two sides of each modular clamp. Clamping devices for fixing the modular clamp and the universal platform are arranged on the two sides of the universal platform, and the modular clamp is provided with a piece taking device. The universal platform and the modularized clamp are arranged in a split mode, only the modularized clamp needs to be transferred in the transferring process, and transferring is convenient; and the part taking device is arranged on the universal platform, so that part deformation caused by uneven stress in manual crowbar part taking is prevented.

This utility model relates to the field of universal testing machine technology, and discloses a universal testing machine for coated steel strips, including a base. A worktable is fixedly connected to the upper surface of the base, and a column is fixedly connected to the upper surface of the worktable. A movable crossbeam is slidably connected inside the column, and an installation sleeve is fixedly connected to the lower surface of the movable crossbeam. A connecting sleeve is slidably connected inside the installation sleeve, and a fixing component is provided inside the connecting sleeve. The fixing component includes a fixing bead, which is disposed inside the connecting sleeve, and a compression bead is slidably connected to the outer wall of the fixing bead. In this utility model, by inserting the connecting sleeve into the installation sleeve, the fixing bead is radially compressed, pushing the compression bead to drive the push plate to compress the spring. The spring returns to its original position, driving the compression bead to push the fixing bead into the limiting groove of the installation sleeve to form a lock, thereby achieving precise positioning and efficient replacement of the modular fixture.

This utility model relates to the field of modular fixture technology and discloses a modular quick-change fixture, including a base. A positioning component includes multiple through holes disposed within the base, mounting plate, and fixture seat. Each through hole has a positioning groove on its inner wall. A column is disposed inside each through hole, and an embedded groove is provided on the inner wall of the column. Multiple cavities are provided within the embedded groove, and sliders are disposed within each cavity. A rubber pad is provided at one end of each slider. An inner shaft is disposed inside the column, and multiple protrusions are provided on the outer wall of the inner shaft. A horizontal plate is provided at the top of the inner shaft, and a insertion rod is disposed inside the horizontal plate. Multiple locking holes are provided at the top of the column. This utility model uses a high-strength column to penetrate multiple modular components, connecting them into a single unit. During penetration, the column provides support and abutment to the modular components, improving the stability and connection strength during assembly. This effectively reduces the probability of loosening or deformation after assembly, ensuring the fixture's performance and stability.

The invention relates to the technical field of tool jigs, in particular to a plate type combined clamp, a whole large plate is disassembled into a plurality of small miniature plates, the small miniature plates are arranged according to the sizes and characteristics of parts and tightly connected through connecting pieces in a pulling mode, and each small miniature plate comprises a basic module, a positioning module and a lifting appliance locking block. According to the invention, a new tool bottom plate is not needed, the required tool can be quickly assembled according to a drawing only by placing the drawing according to the design, and when not in use, the tool can be quickly disassembled and combined into tools required by other projects, so that the standardization, modularization and universality of the tool are really realized, the tool can be randomly assembled and recycled, the traditional special tool plate is completely replaced, and the production cost is reduced. In the first workpiece development stage, the machining period can be shortened in an assisting mode, and the tool and jig cost is saved. And in addition, splicing and using are flexible, dismounting and replacing are convenient and fast, and the two clamping modes of forward handle and reverse handle are achieved.

The utility model relates to the technical field of positioning clamps, and discloses a modularized clamping seat positioning clamp for vertical sintering of ceramic mobile phone backboards, which comprises a base, a disassembly and assembly assembly arranged on the top surface of the base, a plurality of mobile phone backboards arranged on the top surface of the base and a plurality of supporting frames arranged on the top surface of the base, through cooperation of the base, the mobile phone backboard, the connecting base, the supporting frame, a positioning bin, a supporting hole and a limiting plate, the effect of disassembling and assembling the supporting frame is achieved, a limiting column is manually pulled to be separated from a limiting groove, and a magnet does not attract the bottom of the supporting frame any more; the supporting frame is lifted upwards to be separated from the connecting base, modular disassembly is completed, ceramic mobile phone backboards of different sizes are convenient to maintain and replace, a plurality of mobile phone backboards can be clamped, fixed and vertically arranged at a time, the operation efficiency is improved, and the device is practical.

A modular fixture plate system comprising:at least one interlocking fixture plate comprising at least one of a male end and a female end, wherein the male end comprises at least one male projection and the female end comprises at least one female recess; anda docking plate comprising at least one of at least one male projection and at least one female recess;wherein at least one male projection or female recess of the at least one interlocking fixture plate is interlocked with a mating one of the at least one male projection or the at least one female recess of the docking plate.

This invention provides a water immersion leak testing fixture for marine cutting torch pipelines, comprising a base, a leak testing container mounted on the base, the leak testing container being a watertight container; the top of the leak testing container is open, and a drain outlet is located on the side wall of the leak testing container near the bottom; the center of gravity of the entire leak testing fixture is located below the bottom third of the fixture's height. This invention is a modular fixture, with a main structure employing a frame structure with a base, and an internal replaceable watertight liner. If the liner leaks, it can be directly replaced; if the drain valve leaks, it can be directly replaced; if the frame or base is damaged, it can be directly welded for repair. It is inexpensive to manufacture, easy to maintain, and convenient to transport.

The invention relates to the technical field of furniture welding, and discloses furniture metal pipe laser welding equipment with a modular clamp, which comprises a placing part, the placing part comprises a workbench, the upper surface of the workbench is rotatably connected with a rotary table, and the workbench is slidably connected with a lower pressing plate through a lifting rod arranged on the upper surface; a centering piece used for clamping an external metal sheet is arranged on the upper surface of the rotary table. The furniture metal pipe laser welding equipment with the modularized clamp can effectively solve the problems that in the prior art, most of metal pipe and metal sheet welding positioning clamps aim at vertical metal pipes, when facing inclined metal pipes, traditional devices cannot be flexibly adjusted according to the inclination angles of the metal pipes, and the welding efficiency is high. The problems that in the prior art, only metal pipes with single inclination angles can be positioned, so that the metal pipes and metal sheets are difficult to align accurately, the welded furniture legs are prone to structural deviation and stress concentration, and the overall strength and the service life of furniture are affected are solved.

The utility model discloses finger pressing force detection equipment, which is characterized by comprising a base, a clamp and a lifting seat are respectively arranged on the base, the lifting seat can lift up and down relative to the base, the clamp is positioned above the lifting seat, the clamp is provided with a clamping cavity with an opening on one side, a metal sheet pressing finger is clamped in the clamping cavity, and the metal sheet pressing finger is positioned above the lifting seat. The metal sheet pressing finger partially protrudes out of the upper portion of the lifting base through the opening of the clamping cavity, a pressure sensor is arranged on the lifting base and corresponds to the position under the metal sheet pressing finger, and an air cylinder capable of driving the lifting base to move up and down relative to the base is arranged on the base. Through the cooperative design of cylinder driving, the lifting seat, the modular clamp and the pressure sensor, the problems of low precision, poor efficiency and the like in traditional finger pressing detection are solved, and the detection efficiency and reliability are remarkably improved.