205 results about "Membrane switch" patented technology

The invention discloses a multi-dimensional interface memristor, and belongs to the field of semiconductor devices, a metal oxide / graphene two-dimensional film material is used as a switch layer of the memristor, and the preparation method comprises the following steps: carrying out hydrophilization treatment on a graphene dispersion liquid, and then carrying out first ultrasonic dispersion; adding a metal oxide quantum dot dispersion liquid, and carrying out secondary ultrasonic dispersion, so that the metal oxide quantum dots are loaded on the surface of the graphene to obtain a successfully loaded solution; and plating the successfully loaded solution on the surface of a substrate by adopting a wet coating process, and drying to form a film, thereby obtaining the metal oxide / graphene two-dimensional film switch layer. Wherein the metal oxide is SnO2, TiO2, NiO2, CeO2 or IGZO (Indium Gallium Zinc Oxide). According to the invention, the oxide quantum dots are attached to the single-layer graphene film to form the zero-dimensional quantum dot / two-dimensional graphene composite film as the switch layer of the memristor, and the method can introduce a large number of oxide / graphene interfaces, so that the regulation and control effect of the interfaces on the photoelectric characteristics of the device can be amplified.

The utility model discloses a light touch switch-on type keyboard membrane switch, which comprises a membrane switch and a protection mechanism, the surface of the membrane switch is provided with the protection mechanism, and the protection mechanism comprises a pressure touch key, a side edge plate, a chute, a sliding block, a spring piece and a gland. The surface of the membrane switch is provided with a press button, the two sides of the top of the membrane switch are provided with side plates, the position of the slide block is adjusted to enable the gland to be just clamped into the periphery of the press button, the gland plays a role in shielding and protecting the press button, the spring piece plays a role in connection, and when the press button at the corresponding position needs to be operated, the press button at the corresponding position can be operated. When the switch assembly is used, the gland at the corresponding position is directly pressed, the spring piece controls the gland to reset automatically after pressing, compared with an existing switch assembly, normal use of the membrane switch is not affected, meanwhile, a good protection effect can be achieved, and normal pressing contact of the switch is prevented from being affected by damage of a surface membrane.

The invention discloses a membrane switch performance detection device, and belongs to the field of switch testing, the membrane switch performance detection device comprises a container, a containing cavity formed in the container, a top plate located above the container, and height adjusting assemblies fixedly connected to the two sides of the container and used for driving the top plate to ascend and descend, and heating parts are fixedly connected to the side wall and the bottom wall of the containing cavity; a sensor is fixedly connected to the side wall of the accommodating cavity; the upper end of the top plate is connected with an immersion detection assembly, and the immersion detection assembly comprises a support fixedly connected to the upper end of the top plate, a lead screw with one end rotationally connected with the inner wall of the support and the other end rotationally connected with the upper end of the top plate, and a first motor fixedly connected to the upper end of the support, and an output shaft of the first motor is fixedly connected with one end of the lead screw. According to the scheme, the heating part is arranged in the container to heat the water body in the accommodating cavity, so that the surface tension of the water body is changed, the stress of the sealing element and the water leakage probability of the micro-channel can be changed, a sample is subjected to immersion test in the water body at different temperatures, reliability verification closer to complex working conditions is realized, and customized authentication requirements are met.

The invention discloses a membrane switch twisting and discharging track which comprises a conveying belt, a plurality of placing plates are arranged on the conveying belt at equal intervals, a flattening and stretching part is arranged on each placing plate, each flattening and stretching part is composed of a flattening piece and a stretching piece, the flattening pieces are used for flattening the four corners of a membrane switch on the placing plates, and the stretching pieces are used for stretching the four corners of the membrane switch on the placing plates. The mounting base is provided with a taking part, the feeding table is symmetrically provided with blowing parts, the taking part and the blowing parts are arranged in a linkage mode, and when the taking part grabs the membrane switch and places the membrane switch on the placing plate, the taking part is driven by the blowing parts to blow the membrane switch. And synchronously triggering the blowing part to carry out static electricity removal and dust removal treatment on the currently grabbed membrane switch. The flattening and stretching part is matched with the driving assembly, the four corners of the membrane switch are pressed downwards and stretched in the opposite direction, the membrane switch is evenly stressed on the containing plate, surface wrinkles of the membrane switch are eliminated, and position deviation of the membrane switch in the conveying and feeding process is avoided.

The invention provides high-stability double-layer core-shell coated pure copper silver-substituted conductive paste and a preparation method thereof, and belongs to the technical field of electronic special materials. The copper-resistant coating comprises the following components in percentage by mass: 82%-90% of antioxidant copper powder with a double-layer core-shell structure, 3%-6% of bismuth-boron-zinc lead-free low-melting-point glass powder, 3%-7% of a modified epoxy resin compound organic carrier, 2%-5% of a gradient volatilization compound solvent and 0.5%-2% of a special compound additive for copper. Through the double-layer core-shell copper powder design of inner-layer nano-silver passivation and outer-layer organic composite coating and in cooperation with a liquid-phase synergistic anti-oxidation system, the volume resistivity after slurry curing is smaller than or equal to 3.5 * 10 <-5 > omega.cm, the resistivity change rate after 1000-hour damp-heat aging at 85 DEG C / 85% RH is smaller than or equal to 10%, the normal-temperature storage period without opening a tank is larger than or equal to 6 months, direct curing can be conducted in the conventional air atmosphere of 120-160 DEG C, and the high-temperature-resistant copper paste can be applied to the field of high-temperature storage. The silver paste is completely compatible with production and application production lines of existing silver paste, equipment transformation is not needed, the comprehensive cost is reduced by more than 80% compared with pure silver paste, and the silver paste can be widely applied to the fields of PCBs, membrane switches, flexible electronics, photovoltaic back electrodes, LED packaging and the like.

The invention discloses a terahertz MEMS composite membrane switch based on a glass substrate, and belongs to the field of terahertz wireless communication equipment. The MEMS switch is of a three-dimensional structure and sequentially comprises a metal ground, a glass substrate, a coplanar waveguide signal transmission line, a silicon nitride dielectric layer and an MEMS composite film from bottom to top. The MEMS composite film is equivalent to a clamped beam structure, and an anchor area of the MEMS composite film is connected with a signal ground of the CPW; the composite film is composed of a gold film and a silicon dioxide film, the composite film, a silicon nitride dielectric layer below and a CPW signal line form a parallel plate capacitor, bias voltage is loaded through a direct-current voltage signal transmission line connected with an anchor area, the height of the MEMS composite film is changed, then the plate capacitance value is changed, and switching between the on state and the off state of a transmission signal is achieved. The MEMS switch of the composite film has the advantages of low insertion loss and high isolation in terahertz frequency band application, and can be applied to radio frequency devices such as phase shifters, attenuators, reconfigurable filters and the like.

The invention discloses a skin patch production system which comprises a raw material film releasing device, a main film collecting device, a first film cutting device, a second film cutting device, a third film cutting device, a fourth film cutting device, a fifth film cutting device, a film changing device and a film covering device. The raw material film placing device, the first film cutting device, the second film cutting device and the main film collecting device are sequentially matched for producing a first seed coat patch; the raw material film placing device, the first film cutting device, the film changing device, the second film cutting device and the main film collecting device are sequentially matched for producing a second seed coat patch; the raw material film placing device, the first film cutting device, the third film cutting device, the film laminating device, the fourth film cutting device and the fifth film cutting device are sequentially matched for producing a third seed coat patch; the raw material film placing device, the first film cutting device, the film changing device and the fifth film cutting device are sequentially matched for producing a fourth seed coat patch. The skin patch production system has the advantages of being capable of preparing and producing various skin patches, high in compatibility and the like.

The utility model relates to the technical field of membrane switches, in particular to a membrane switch with good waterproofness, which comprises a switch body, the switch body comprises an upper shell and a lower shell, screw blocks are fixed on the upper shell and the lower shell, the screw blocks on the upper shell and the lower shell are oppositely arranged, each pair of screw blocks is in threaded connection with a bolt, and the upper shell and the lower shell are fixed on the switch body. The upper shell is provided with a key, the lower shell further comprises an annular first sealing part which is arranged at the bottom of the upper shell, and the lower shell is provided with an annular sealing groove which is suitable for the insertion of the first sealing part; the first magnetic attraction part is arranged in the first sealing part; and the second magnetic attraction part is arranged in the sealing groove and is suitable for attracting the first magnetic attraction part. According to the utility model, the first sealing part is arranged, the first sealing part can prevent external humid air from invading into the switch body through the gap between the upper shell and the lower shell, and the second magnetic attraction part can attract the first magnetic attraction part, so that the first sealing part and the sealing groove are attached more tightly.

The invention relates to the technical field of new energy automobile related equipment manufacturing, and discloses a membrane switch pressure detection device which comprises a detection table, the middle of the detection table is fixedly connected with a top plate through two connecting columns, a bidirectional lead screw is installed between the top plate and the detection table, and the bidirectional lead screw is in transmission connection with a supporting block; the back-off units are symmetrically installed on the two sides of the supporting block, one side of each back-off unit is fixedly connected with a pressure applying assembly, and a driving unit is fixed to the top of each back-off unit; according to the invention, through the synergistic effect of the designed rollback unit and the driving unit, the pressure applying action of the membrane switch can be automatically interrupted, when the membrane switch on the detection table completes preset pressing times, the detection can be automatically stopped, the detection process of other membrane switches on the adjacent station cannot be interfered, and the detection efficiency is improved. Therefore, the batch detection requirement of the new energy automobile membrane switch can be met.

The invention discloses a membrane switch production laser cutting machine convenient to clean, and relates to the technical field of precision machining in electronic manufacturing, the membrane switch production laser cutting machine comprises a laser cutting machine body, and two pairs of hinged supporting arm assemblies are arranged in a cavity area in the middle of a cutting table of the laser cutting machine body; the two pairs of supporting arm assemblies form a foldable rectangular frame through a hinge structure, and each supporting arm assembly comprises a main arm extending in the longitudinal direction. Controllable bending force is synchronously applied to the membrane switch through folding actions of the foldable supporting arms, so that a material is locally slightly bent and deformed, and interlayer adhesive force between a waste material and a finished product material is weakened. And the internal stress of the bent film is redistributed, so that the bonding strength of waste materials at the cutting edge and the substrate is reduced, and the bent film is easier to naturally fall off under gravity or slight vibration, thereby facilitating collection of finished product materials and waste materials after cutting and improving the sanitary environment of a cutting table.

The present invention relates to a membrane switch valve and an assembly method thereof. The membrane switch valve includes a valve seat with two transverse flow channels, a valve body with a valve diaphragm to cut off the connection between the two flow channels and an elastic drive structure to provide an axially collapsible elastic force to the valve diaphragm. The first flow channel forms a valve core flow channel opening in the valve seat that is bent upward toward the valve axis, toward the membrane core lifting body corresponding to the valve diaphragm; the second flow channel forms a valve annular flow channel opening surrounding the valve core flow channel opening in the valve seat, toward the membrane bending portion corresponding to the valve diaphragm; the valve seat or the membrane core lifting body has a knife-edge ring edge corresponding to the valve core flow channel opening and the valve annular flow channel opening to reduce the contact area between the valve diaphragm and the valve seat when the valve is closed. The present invention has the ability to withstand extremely high numbers of switching operations without leakage, particle or / and ion precipitation problems, and is particularly suitable for pharmaceutical fluid switches in the semiconductor / pharmaceutical fields.

The utility model provides durability test equipment for processing a membrane switch, comprising a test mechanism which comprises a linear slide rail, an electric push rod arranged at the bottom of the linear slide rail, a mounting rack arranged at the bottom of the electric push rod, and a pressing assembly arranged at the bottom of the mounting rack, the pressing assembly comprises a supporting plate arranged at the bottom of the mounting frame, a sliding groove formed in the supporting plate and a lower pressing rod arranged in the sliding groove. When the push-down mechanism is used, after the plurality of push-down rods are clamped in the chutes in the support plate and are in one-to-one correspondence with keys on the membrane switch, the rotary knob is rotated to enable the threaded rod and the push-down rods to be tightened and fixed, the fixed sheet at the bottom of the rotary knob is clamped and fixed with the support plate, and the linear slide rail drives the push-down rods to move to a specified position, so that the push-down rods are fixed. The electric push rod drives the silica gel head at the bottom of the lower pressing rod to carry out pressing durability testing on the key, and the testing device can adapt to testing of membrane switches with different key numbers and intervals.

The utility model belongs to the technical field of membrane switches, and particularly relates to a vacuum adsorption turnover table for assembling a membrane switch, which comprises a base, an adsorption mechanism, a clamping mechanism and a turnover mechanism, and is characterized in that through the arrangement of the adsorption mechanism, a circuit board layer of the membrane switch is placed in the center of the top surface of a placement table; a vacuum pump is operated to form negative pressure in a vacuum cavity, so that the circuit board layer can be adsorbed and fixed, the circuit board layer can be conveniently assembled, and a clamping mechanism is arranged to control a second air cylinder to drive clamping plates to be close to each other so as to clamp and fix the panel layer; a first air cylinder is controlled to drive a circuit board layer to move upwards so that the circuit board layer and a panel layer can be spliced and assembled, by arranging a turnover mechanism, when the panel layer needs to be turned over, a rotary handle is pulled outwards to drive an inserting rod to be separated from an inserting groove so that limiting of the turnover mechanism to the panel layer can be relieved, and the rotary handle is rotated to drive a clamping mechanism and the panel layer to rotate; and the rotating angle of the panel layer can be adjusted.

The utility model discloses a bright silver membrane switch label for silk-screen printing, and relates to the technical field of membrane switch labels. Comprising a screen printing machine base, a vertical plate is fixedly arranged at the top of the screen printing machine base, a translation table is movably arranged on the front face of the vertical plate, a placement plate is movably arranged in the screen printing machine base, a membrane switch label is arranged at the top of the placement plate, and a UV lamp tube is arranged above the membrane switch label. Mounting blocks are fixedly arranged on the two sides of the UV lamp tube, an inserting groove is formed in one side of each mounting block, an inserting block is movably arranged in each inserting groove, and a nut seat is fixedly arranged at one end of each inserting block. Through the arrangement of the UV lamp tube, ultraviolet rays emitted by the UV lamp tube irradiate the just printed membrane switch label, so that printing ink on a label pattern is subjected to a photochemical reaction, the printing ink on the label pattern is cured in a short time, the waiting time is shortened, and the efficiency is improved.

The utility model provides a switch module with an exhaust function, belongs to the technical field of switch modules, and aims to solve the problems that when a membrane switch in the prior art is used, air pressure in the membrane switch is unstable, so that the surface of the membrane switch swells, a metal dome deforms due to offset pressing, a good feedback of a user to the membrane switch is inconvenient, and the service life of the membrane switch is influenced. Comprising a UV guide column, a covering layer, metal domes, a silencing interlayer layer and a circuit layer, the silencing interlayer layer is arranged above the circuit layer, the covering layer is arranged above the silencing interlayer layer, a cavity is formed among the circuit layer, the silencing interlayer layer and the covering layer, the metal domes are arranged in the cavity, and the UV guide column is arranged on the covering layer and located over the tops of the metal domes; a plurality of vent grooves are formed in the silencing interlayer layer and are formed in the peripheral side of the metal dome, and the ends, close to the metal dome, of the vent grooves correspond to the cavities to form semi-closed openings.

The application relates to the technical field of micro electro mechanical system (MEMS), and particularly relates to a MEMS switch and a preparation method thereof, wherein the MEMS switch comprises a support structure layer and an encapsulation structure; a cavity is released on the support structure layer, and a matching thin film and a static area are formed; the encapsulation structure and the support structure layer jointly form an airtight chamber; a piezoelectric actuator comprises a piezoelectric driving electrode and at least one layer of piezoelectric thin film; an electric contact structure comprises a dynamic contact electrode and a static contact electrode arranged in the airtight chamber; the dynamic contact electrode is arranged on the piezoelectric actuator, and the static contact electrode is arranged towards the dynamic contact electrode and fixedly arranged. The piezoelectric actuator and the dynamic contact electrode are directly prepared on a wafer base, and the static contact electrode opposite to the dynamic contact electrode is fixedly arranged in the encapsulation structure; by applying a forward voltage difference or a reverse voltage difference to the piezoelectric actuator, the on-off of the electric contact structure is realized, and the overall structure is simple and controllable.

The utility model discloses an annular light-emitting membrane key structure, and relates to the technical field of membrane switches. Comprising a panel layer, an upper conductive layer, a light guide layer, a lower conductive layer, a substrate, a conductive piece and a light-emitting piece, the light-emitting part is electrically connected with the upper conducting layer, the upper conducting layer is arranged below the panel layer, and the light guide layer is arranged between the upper conducting layer and the lower conducting layer; the lower conductive layer is arranged on the substrate; a conductive piece is arranged in a space annularly formed by the upper conductive layer, the lower conductive layer and the light guide layer; the outer protective layer comprises a columnar axis part and a plurality of elastic strips arranged around the axis part, a conductive metal rod is arranged in the axis part, the upper end of the conductive metal rod abuts against the upper conductive layer, and the lower end of the conductive metal rod and the lower conductive layer are arranged at intervals; according to the technical scheme provided by the invention, the conductive part with a special structure is used for realizing downward pressing conduction and also has an elastic recovery function, so that a favorable premise is provided for further compressing the number of layers of the annular light-emitting key structure.

The utility model relates to the technical field of electronic switches, in particular to a membrane switch with good sealing performance. Comprising a bottom plate and a sealing mechanism, the sealing mechanism comprises a mounting table, a membrane switch body, a waterproof table, a sealing cover, a drying device and a fixing device, the membrane switch body is directly arranged in a rectangular groove in the top of the mounting table during mounting, and a cable hole is vertically formed in the rectangular groove in the top of the mounting table, so that working cables of the membrane switch body are conveniently arranged; after the membrane switch body is installed, the sealing cover can be directly installed, under the cooperation of the waterproof platform, external water entering the interior can be reduced, the safety is improved, the drying device is used for drying water mist entering the interior from the cable hole, the protection effect is further improved, long-time use of the switch is facilitated, and the service life of the switch is prolonged. Therefore, the waterproof performance of the switch can be improved during use, and the switch can be stably used for a long time.

The utility model discloses a superconductive membrane switch comprising a panel layer, an upper circuit board, an isolation layer and a lower circuit board which are sequentially bonded and fixed from top to bottom, the panel layer is provided with a plurality of button parts, and the edge position of the lower surface of the panel layer is provided with a plurality of positioning projections. A plurality of positioning grooves are formed in the edge of the upper surface of the upper circuit board, the positioning protrusions and the positioning grooves are arranged in a one-to-one correspondence mode, and the positioning protrusions can be tightly matched with the corresponding positioning grooves. According to the utility model, rapid positioning between the panel layer and the upper circuit board can be realized, and the risk of pasting dislocation of the panel layer is reduced, thereby ensuring normal use of the membrane switch.

The utility model discloses a membrane switch structure of a computer keyboard, which belongs to the technical field of computer keyboards and comprises two symmetrically arranged positioning plates and a membrane fixed between the two positioning plates, interface slots are arranged on the two positioning plates, two of the interface slots are used for exposing interfaces on two sides of a notebook computer, and the membrane is arranged between the two positioning plates. The two positioning plates are fixedly connected through two horizontal fixing strips, the positioning plates and the fixing strips are welded and fixed, T-shaped inserting grooves are formed in the top walls of the two positioning plates, extending rods are symmetrically connected to the two ends of the thin film, the two extending rods are inserted into the two inserting grooves in the vertical direction, and the two extending rods are symmetrically connected to the two ends of the thin film. Containing grooves are formed in the sides, opposite to each other, of the two inserting grooves towards the interiors of the two positioning plates respectively. According to the membrane switch structure of the computer keyboard, the two positioning plates are matched with the two movable plates to be fixed on the notebook computer, so that the membrane can be better matched with the keyboard of the notebook computer, and the phenomenon of displacement is avoided.

The utility model discloses a mining attitude instrument which comprises a box body, an inclinometer assembly, a PCB (Printed Circuit Board) assembly, a gyroscope assembly, a rotary table part, a display module, a cross laser mark and a storage battery, the box body comprises a base and a box cover; an inclinometer assembly, a rotary table component and a storage battery are sequentially arranged on the base from left to right; the rotary table component comprises a rotary table base assembly, a worm and gear mechanism, a travel switch and a stepping motor. The PCB assembly comprises a main control board and a multifunctional board; a display module is arranged on the inner wall of the front side of the box cover, a cross-shaped laser mark is arranged on the upper portion of the right side wall, and a membrane switch is arranged on the outer wall of the front side of the box cover corresponding to the display module. By adopting the combination of the optical fiber gyroscope and the inclinometer, the size and the weight of the north seeker are reduced, the cost is reduced, and the north seeker can quickly seek north; by arranging the rotary table component, the optical fiber gyroscope can be driven to rotate to different positions; and through the arrangement of the cross cursor, hole alignment is facilitated.

The utility model discloses a switch normally-closed structure applied to a membrane switch, and belongs to the technical field of membrane switches. Comprising a shell with a cavity, a circuit assembly arranged in the cavity, a normally-closed assembly connected to the circuit assembly, and an elastic film layer arranged on the circuit assembly and the normally-closed assembly. The normally-closed assembly is provided with a conducting strip, a communicating part of the normally-closed assembly is communicated with a conducting layer and a first circuit layer in an initial state to achieve normally-closed connection to generate a first control signal, an elastic thin film layer is pressed, a connecting piece moves downwards and drives the conducting strip to move downwards, a contact block makes contact with a second circuit layer, and the first circuit layer is located on a disconnection part of the conducting strip. The communication part is communicated with the conductive layer and the second circuit layer to generate a second control signal; the supporting layer and the two thin film layers are arranged, the durability and the anti-fatigue performance of the switch are improved, the downwards-concave arc shape of the upper surface can be attached to fingers for operation, and the comfort of the switch is improved. A contact block and a contact layer are arranged on the conducting strip, so that the stability of signal transmission is improved.

The utility model belongs to the technical field of membrane switches, and relates to a shockproof membrane switch, which comprises a switch body and a plug board connected with the switch body, the switch body comprises a connecting layer, a panel layer and a button, the button is arranged on the end face of the panel layer, the connecting layer is connected with the panel layer, the other end face of the connecting layer is provided with a clamping block, and the plug board is connected with equipment. A placement groove for mounting the switch body is formed in the end face of the plug board, the diameter of the placement groove is larger than that of the switch body, a clamping groove connected with the clamping block is formed in the inner wall of the placement groove, and a plurality of damping parts for damping the switch body are arranged on the side wall of the placement groove and surround the side wall of the placement groove; a control contact is arranged in the panel layer, and an extrusion piece is arranged around the control contact; compared with the prior art, not only can the switch body be protected from being influenced by vibration, but also the connection of the switch body can be more stable.

The invention discloses a membrane switch performance detection method and system, relates to the technical field of performance detection, and solves the technical problems that characteristics of different types of membrane switches are difficult to consider, a finer detection evaluation scheme is set for a specific type of membrane switch, and comprehensive performance of various membrane switches is difficult to accurately analyze. By setting different temperature change rates, the working state of the membrane switch in an extreme or complex environment can be simulated. The temperature distribution uniformity of the surface of the switch can be visually displayed by detecting the infrared image, a local overheating or poor heat dissipation area is revealed, and the performance of the membrane switch can be conveniently detected from multiple dimensions by combining operation data. The PET-based resistor temperature drift stability and the FPC-based microcircuit impedance stability are analyzed, the degradation coefficient and the temperature performance evaluation coefficient are combined, comprehensive performance evaluation is carried out, and the reliability of different types of membrane switches is quantified.

The utility model discloses a membrane switch elastic piece attaching jig, and relates to the technical field of membrane switch production auxiliary equipment. Comprising a pressing plate and a blocking piece. A limiting groove matched with the appearance of a product is formed in the bottom of the material pressing plate, a plurality of first through holes are formed in the material pressing plate in the thickness direction of the material pressing plate, and the positions of the first through holes correspond to the assembling positions of elastic pieces of the product; a second through hole is transversely formed in one side of the material pressing plate, and the first through hole is communicated with the second through hole; the blocking piece comprises inserting rods which are matched with the second through holes and are suitable for being inserted into the second through holes, and a first connecting rod for connecting the inserting rods; according to the technical scheme provided by the invention, the assembly of the elastic sheet can be quickly completed, so that the assembly efficiency is improved, and the working efficiency is improved.

The present invention relates to the technical field of thin-film switch processing equipment, and discloses a convex pressing machine for thin-film switches, which includes a machine body, a workbench and a lower die base. The lower die base is fixed at the center position of the top of the workbench, and an upper die base is arranged directly above the lower die base. The workbench is fixed on the machine body. It also includes: two sets of brackets symmetrically fixed on both sides of the lower die base. A conveying unit for conveying the thin-film switch is arranged between the two sets of brackets. A transfer unit is installed on the side of the bracket away from the lower die base. The output end of the transfer unit is fixedly connected with two sets of material taking units. Through the designed conveying unit, two sets of material taking units and the transfer unit, the present invention realizes the effect of automatically picking and placing the thin-film switch before and after processing, enables the feeding and unloading of the thin-film switch to be synchronized. Compared with the existing convex pressing machine for thin-film switches that uses a manual method for material taking, the automation degree is higher, and the working efficiency of the convex pressing machine for thin-film switches is improved.

The utility model discloses an impact-resistant membrane switch, and relates to the technical field of membrane switches. Comprising a base shell, the base shell comprises a bottom shell and a panel which are connected in an overlapped mode, and mounting lugs are arranged on the base shell; a control main board, a plurality of electrode discs and a thin film sensor are arranged in the accommodating space, the electrode discs are electrically connected with the control main board, and the thin film sensor is arranged on the electrode discs; the pressing assembly comprises a pressing disc, a limiting column, a first wedge-shaped block, a second wedge-shaped block and an elastic piece. A limiting hole is formed in the panel in the thickness direction of the panel, the limiting column is arranged in the limiting hole in a penetrating mode, one end of the limiting column is suitable for abutting against the film sensor, and the multiple first wedge-shaped blocks are arranged around the limiting column at equal angles; a limiting groove is formed in the panel, and the second wedge-shaped block is arranged in the limiting groove in a sliding mode; according to the technical scheme provided by the invention, a sufficient beating feedback feeling can be provided for a user, so that the use experience feeling of the user is effectively improved.

The utility model relates to the technical field of membrane switches, in particular to a keyboard membrane switch glue sealing structure which comprises a working table and four supporting legs, the four supporting legs are vertically welded to the four corners of the lower end face of the working table, the four supporting legs are arranged in parallel relatively, the bottom ends of the supporting legs are connected with supporting assemblies, the four supporting assemblies are arranged in parallel relatively, and the supporting assemblies are connected with the working table. The supporting assembly comprises a base, a mounting plate, a socket, a mounting lug, a first bolt and a second bolt; the bottom end of the base is fixedly glued with an anti-skid pad, the base is of a vertically-arranged rectangular body structure, mounting lugs are vertically welded to the lower portions of the two sides of the base, second bolts are connected to the mounting lugs in a threaded mode, the mounting plate is located over the base, a socket is fixedly welded to the center of the upper end face of the mounting plate, and the mounting plate is connected with the base through an ejector rod. And through the design of the supporting assemblies, the positions of the supporting legs can be conveniently limited, meanwhile, the supporting assemblies can support the supporting legs and the workbench, and the practicability of the device can be improved.

The utility model relates to the technical field of membrane switch production, in particular to a membrane switch silica gel button pasting structure which comprises a base, a base and a support fixed at the top end of the base, an electric push rod fixed at the top end of the base, a connecting plate fixed at the bottom end of a piston rod of the electric push rod, and a pressing plate arranged below the connecting plate. A pressing plate is arranged on the base, four T-shaped guide columns are arranged above the pressing plate and sleeved with springs, a support is arranged below the pressing plate, a plurality of containing cavities are formed in the top end of the support, pasting bases are arranged in the containing cavities, a motor is fixed in the base, two ventilation openings are formed in the support, and fans are arranged in the two ventilation openings; the output shaft of the motor drives the support to rotate, the piston rod of the electric push rod drives the connecting plate to move downwards to extrude the membrane switch, the piston rod of the electric push rod drives the connecting plate to move upwards, wind generated by operation of the fan blows to the silica gel key, solidification of glue is facilitated, continuous pasting work is achieved along with rotation of the support, and then efficiency is improved.

The application discloses an online detection system and method for a digital printing film switch, and relates to the technical field of machine vision detection. The method comprises the following steps: acquiring an initial image of a product to be detected; processing the initial image to obtain a second image; detecting the second image to obtain a size defect result, a position defect result, a color difference defect result, a bubble defect result and a crack defect result of the product to be detected; obtaining a total defect detection result of the product to be detected according to the size defect result, the position defect result, the color difference defect result, the bubble defect result and the crack defect result; and sorting the product to be detected according to the total defect detection result of the product to be detected. The method improves detection precision and production efficiency, and effectively reduces the missing detection rate and the false detection rate.