377results about "Precision positioning equipment" patented technology

An edge guide is provided. A structure includes curved surface over which a print media can travel. The print media includes a first edge and a second edge that is opposite the first edge. A first media guide is contactable with the first edge of the print media. A second media guide is contactable with the second edge of the print media. The second media guide is spaced apart from the first media guide. A relative spacing between the second media guide and the first media guide is adjustable such that a distance between the first media guide and the second media guide is variable. The second media guide includes a mechanism that applies a nesting force to the second edge of the print media to cause the first edge of the print media to move toward and contact the first media guide.

The invention discloses a preparation method of a vertical comb-driven MEMS (Micro Electro Mechanical System) micromirror, which comprises the following steps of: forming a through alignment mark and a pre-etched comb structure on a device layer by using a first composite mask, and forming the through alignment mark and the pre-etched comb structure on the back surface of the device layer on a first substrate through a composite mask process, after the first substrate and the second substrate are bonded, the self-alignment composite mask of the comb tooth structure is aligned with the back face pre-etched comb tooth structure through the through alignment mark, high-precision alignment of the comb tooth structure is achieved, accumulated errors are avoided, and the yield of device preparation is improved.

The invention provides an MEMS pressure sensor, a manufacturing method thereof and an electronic device, and the method comprises the steps: providing a first substrate and a second substrate, forming a first pressure structure on the first substrate, and forming a second pressure structure on the second substrate; bonding the first pressure structure and the second pressure structure; the first substrate is removed, the first pressure structure and the second pressure structure jointly form a third pressure structure, the third pressure structure comprises a first electrode layer, a second electrode layer, a third electrode layer, a fourth electrode layer and a fifth electrode layer which are arranged at intervals from top to bottom, and a dielectric layer is formed between every two adjacent electrode layers; and cavities penetrating through the dielectric layers are formed in the dielectric layers. According to the scheme, the multiple electrode layers arranged from bottom to top are formed, the multiple electrode layers form the first capacitor, the second capacitor, the third capacitor and the fourth capacitor respectively, then the Wheatstone bridge is formed jointly, the measurement precision of the MEMS pressure sensor is improved, meanwhile, the plane size of the MEMS pressure sensor is reduced, and the integration level of the device is improved.

The invention relates to the technical field of combined machining, and discloses a five-axis five-linkage turning, milling and drilling combined machining center which comprises an equipment box, a mounting frame is mounted on the rear side of the inner wall of the bottom end of the equipment box, an automatic tool changing system is arranged on the left side of the mounting frame, and a transmission system is arranged in the middle of the mounting frame. A feeding table is slidably mounted on the front side of the inner wall of the bottom of the equipment box through sliding rails. The five-axis five-linkage turning, milling and drilling combined machining center can effectively solve the problems that in the prior art, a five-axis turning, milling and drilling combined machining center mostly adopts the mode that two sets of clamps are matched, parts need to be repeatedly clamped in the machining mode, the machining period of a single piece is directly prolonged through repeated positioning operation, and machining efficiency is high. The clamping precision and the consistency of the two sets of clamps cannot be guaranteed; in the prior art, a worker needs to stretch the upper body into a closed machining area of equipment and manually righting a part to enable the part to be aligned to a clamping hole position and keep a horizontal state, and the process is tedious in operation steps and has safety risks.

The invention relates to a housing part for a clamping and / or braking device and to a clamping and / or braking device having such a housing part. The housing part comprises: a first edge of the housing part and a second edge of the housing part opposite the first edge; an annular recess arranged between the second edge and the first edge for clamping an annular spring plate between a first bearing surface of the housing part defined by the recess and a second bearing surface of the housing part defined by the recess; a clamping element having a clamping surface which is designed, when the spring plate is clamped in the recess between the first bearing surface and the second bearing surface in such a way that a first end of the spring plate is supported on the first bearing surface and a second end of the spring plate presses onto the second bearing surface, to transmit a clamping and / or braking force to an object to be clamped and / or braked; a first housing contact surface which extends between the first edge and the first bearing surface; wherein at least one groove for receiving a sealing means is arranged on the first housing contact surface.

A system and method for transferring a part being machined from a first fixture to a second fixture so that an un-machined side of the part can be exposed for machining, where the first fixture is secured to a first actuator and the second fixture is secured to a second actuator. The method includes securing the part to the first fixture and machining the part on sides of the part except a side of the part coupled to the first fixture. The method slides the first actuator away from the second actuator, operates the first actuator and the second actuator so that the part secured to the first fixture is aligned with the second fixture, slides the first actuator back towards the second actuator, secures the part to the second fixture and releases the part from the first fixture, and slides the first actuator away from the second actuator again.

The utility model discloses a driving four-axis index plate for copper strip production, which relates to the technical field of four-axis index plates and comprises a bottom plate and an adjusting component. Two corresponding supporting plates are fixed to the right end of the upper side of the bottom plate, rotating holes are formed in the edges of the upper sides of the supporting plates, rotating shafts are rotationally connected into the rotating holes, a four-shaft index plate is fixed between the two rotating shafts, a cooling assembly is installed on the left side of the bottom plate, and a gas injection assembly is installed on the upper side of the cooling assembly. The spraying assembly and the extrusion assembly are mounted on the upper side of the bottom plate, and the gas injection assembly is connected with the spraying assembly; and the adjusting assembly comprises a connecting disc, clamping grooves, fixing blocks, clamping rods, inclined blocks and springs, the connecting disc is fixed to the end face of the rotating shaft, the clamping grooves which are evenly distributed are formed in the circumferential face of the connecting disc, the fixing blocks are fixed to the side face of the supporting plate, efficient heat dissipation can be achieved, and meanwhile rapid adjustment can be achieved according to needs.

The invention discloses a silicon-based structure of a micro heat pipe and a processing technology, solves the problems that in the prior art, a metal micro heat pipe for heat dissipation of a silicon-based chip increases the thickness of the chip, and interface stripping and cracking are prone to occurring, and has the beneficial effects that heat dissipation of the micro heat pipe is achieved, and meanwhile the thickness of the silicon-based chip is effectively controlled. According to the specific scheme, the silicon-based structure of the micro heat pipe comprises a silicon-based chip substrate and a glass sheet, the silicon-based chip substrate and the glass sheet are attached together, a liquid absorption core is integrated on the side, facing the glass sheet, of the silicon-based chip substrate, and the liquid absorption core comprises an evaporation section, a heat insulation section and a condensation section which are sequentially connected; the length of the heat insulation section and the condensation section is larger than that of the evaporation section, the evaporation section comprises a plurality of working medium channels, all the working medium channels communicate with the heat insulation section, the working medium channels are arranged in an array mode, and every two adjacent working medium channels communicate with each other.

A workpiece support (18) for supporting a workpiece (14), the workpiece support (18) comprising a workpiece support body (54) and a workpiece support element (20) associated with the workpiece support body (54) for engaging the workpiece (14) and a piezo electric actuator (32) being associated with the workpiece support body (54) for moving the workpiece support element (20) for supporting the workpiece (14). The workpiece support body (54) comprising one or more flexures (44) that enable a movable portion (42) of the workpiece support body (54) to move when acted on by the piezo electric actuator (32) and to move the workpiece support element (20). The workpiece support (18) can comprise two or more workpiece support bodies (54) and a piezo electric actuator (32) being associated with each workpiece support body (54) for moving the respective workpiece support elements (20).

A micro electro mechanical system (MEMS) includes a circuit substrate comprising electronic circuitry, a support substrate having a recess, a bonding layer disposed between the circuit substrate and the support substrate, through holes passing through the circuit substrate to the recess, a first conductive layer disposed on a front side of the circuit substrate, and a second conductive layer disposed on an inner wall of the recess. The first conductive layer extends into the through holes and the second conductive layer extends into the through holes and coupled to the first conductive layer.

The present invention relates to a support device (1) for axially supporting a workpiece (2) during a machining operation. Said device (1) is adapted to be engaged with a piece of machine tool equipment (3) and comprises a pin (4) and a rolling member (5). The pin (4) has a main extension along a pin axis (P) and comprises, in axial sequence: a coupling portion (41), a protruding portion (42), and a tooling portion (43). The coupling portion (41) is adapted to be inserted into a housing (30) obtained in the machine tool equipment (3). The protruding portion (42) has a greater radial size than the coupling portion (41). The tooling portion (43) has a smaller radial size as compared with the protruding portion (42). The rolling member (5) is engaged with the tooling portion (43) and acts as an axial end stop for the workpiece (2), so as to allow the execution of the axial and / or radial machining operation on the workpiece (2) without the use of a tailstock (31).

Provided is an indexing processing machine, including: an index table having a rotation center, a workpiece being attachable to the index table at multiple index positions; and one or more processing machines selected from the group of a front processing machine, a top processing machine, and a side processing machine, the one or more processing machines disposed at least two of the multiple index positions.

This disclosure describes a clamping and / or braking device for clamping and / or braking an object to be clamped and / or braked, comprising: a housing comprising a first housing part and a second housing part, wherein each of the housing parts comprises an annular recess, which defines a first contact surface of the housing part and a second contact surface of the housing part, and wherein the two housing parts are arranged relative to one another and fastened to one another in such a way that the recesses of the first and second housing parts together form an inner space within the housing; a spring arranged in the inner space comprising a first annular spring plate and a second annular spring plate, wherein the first annular spring plate is clamped in the annular recess of the first housing part between the first contact surface and the second contact surface of the first housing part, and wherein the second annular spring plate is clamped in the annular recess of the second housing part between the first contact surface and the second contact surface of the second housing part; at least one clamping element, wherein each clamping element has a clamping surface which is designed, when a first end of one of the spring plates is supported on the first contact surface of one of the housing parts and a second end of the one of the spring plates presses on the second contact surface of the one of the housing parts, to transmit a clamping and / or braking force to the object to be clamped and / or braked; wherein the spring plates are arranged within the inner space in such a way that in the inner space at least one pressure space is formed, which is at least partially delimited by the spring plates, wherein the pressure space can be ventilated or vented and can be acted upon by positive pressure of a pressure medium which can be supplied to the housing, wherein the spring plates are arranged relative to the at least one pressure space in such a way that by ventilating or venting the pressure space or acting upon the pressure space with positive pressure, a bending of at least one of the spring plates can be changed and thereby the clamping and / or braking device changes between an open state, in which the at least one clamping surface is spaced apart from the object, and a closed state, in which one or more of the at least one clamping surfaces transmit a clamping and / or braking force to the object; wherein the clamping and / or braking device further comprises at least one insert plate, which is arranged between the first spring plate and the second spring plate in the inner space.

The application discloses a method for constructing sub-nanometer plasmonic nanocavity, comprising the following steps: (1) preparing a flexible metal nanometer array film; (2) constructing a spacing layer on the exposed metal side of a flexible metal nanometer array film, and then placing another flexible metal nanometer array film on the exposed metal side of the spacing layer, so that the two flexible metal nanometer array films are adsorbed and attached by Van der Waals force, thereby obtaining a plasmonic nanocavity, which allows polarized excitation, realizes the enhancement of molecular signal and carries out the research on adsorption form. Compared with the chemical synthesis method, the application is more accurate and easy to realize in the control of structure gap, and the substrate is more uniform; compared with the nanometer gap prepared by photolithography and ion beam, the substrate process of the application is simple, easy to operate and short in time consumption, and the structure has a controllable sub-nanometer gap. The method has simple preparation process, high repeatability and stability.

This utility model relates to a high-precision floating chuck mechanism. It includes a base plate, clamping components for holding both ends of a motor shaft, and a support component for supporting the motor shaft. The support component is located at the top center of the base plate. Two sets of clamping components are symmetrically arranged around the support component on the top of the base plate. Each clamping component includes a support seat mounted on the top of the base plate, a floating chuck mechanism for holding one end of the motor shaft, and a rotating spindle for driving the floating chuck mechanism. The rotating spindle is mounted on the support seat. The floating chuck mechanism is located at the output end of the rotating spindle. This invention solves the technical problem in existing motor shaft machining fixtures where some floating chucks reduce clamping impact through spring buffering, but the buffering mechanism is designed separately from the drive device, resulting in a bulky structure and delayed response. Furthermore, the lack of integrated buffering and limiting design makes it difficult to balance clamping force and stability.

The present disclosure discloses a galvanometer unit, a preparation method thereof, a scanning mirror and a radar system. The galvanometer unit comprises a first substrate and a second substrate which are bonded, the second substrate comprises a galvanometer structure accommodated in a cavity structure, the galvanometer structure has a rotation axis, the first substrate comprises an electrostatic driving structure and a flat plate electrode which is arranged to face the second substrate and is insulated from the electrostatic driving structure, the electrostatic driving structure drives the flat plate electrode to reciprocate in a first direction, the flat plate electrode comprises a first main electrode and a second main electrode which are located on different sides of the rotation axis, and during the reciprocation of the flat plate electrode driven by the electrostatic driving structure, the overlapping area of the first main electrode and the second main electrode with the galvanometer structure changes, so that the electrostatic attraction force acting on the galvanometer structure changes, and the galvanometer structure is driven to rotate along the rotation axis.

This utility model discloses an indexing and positioning device for a CNC rotary table, relating to the field of indexing and positioning technology. It includes a housing, inside which a drive mechanism is installed. One end of the drive mechanism has a positioning part, and a pneumatic locking mechanism is arranged around the positioning part. This utility model uses a locking nut screwed onto a threaded post to prevent the bearing at the optical shaft from slipping outwards. When the threaded post is repeatedly disassembled and reassembled with the locking nut, resulting in thread damage, or when the optical shaft is repeatedly assembled and worn, the locking nut can be unscrewed from the threaded post. Then, the turbine and positioning part can be disassembled from the optical shaft and the threaded post. An Allen wrench is then used to unscrew the Allen bolts from the side locking hole and the outer locking hole. At this point, a new optical shaft with a threaded post can be used, thus facilitating the flexible disassembly of the positioning part and the drive mechanism for convenient maintenance and replacement.

A kind of measuring tool for fan rotor blade tip end face profile, including bottom plate, vertical support block is provided with in the top surface of bottom plate one end, the other end is provided with arc block;Vertical support block is provided with mounting bracket for clamping tenon of blade to be measured on it, after clamping, make the vertical state of corresponding engine axis of blade to be measured;The end face of arc block away from support block is set as arc surface;One end of arc block is provided with opposite table column, and one side of opposite table column is set as opposite table arc surface;The axis of arc surface, opposite table arc surface and the arc surface of the theoretical profile of blade tip of blade to be measured coincide with engine axis;Slidingly configured with slider on the arc surface of arc block, the top of slider is provided with table frame;Dial gauge is provided on the top of table frame, and the dial of dial gauge is towards the blade tip of blade to be measured.Slider slides on the arc surface of arc block, so by reading the indicated number of dial gauge, the processing size of blade tip full arc surface can be obtained.

The application provides a battery disassembling device and a lithium battery disassembling and recycling machine. The battery disassembling device comprises a disassembling table and a disassembling assembly. The disassembling assembly comprises a disassembling index plate, a feeding piece, an end cover cutting piece, a shell flanging piece and a discharging piece. The disassembling index plate is rotationally arranged on the disassembling table. The feeding piece, the end cover cutting piece, the shell flanging piece and the discharging piece are all arranged on the disassembling table and are sequentially arranged around the disassembling index plate. The disassembling index plate rotates the battery to be disassembled. The end cover cutting piece separates the end cover of the battery to be disassembled from the shell to form a cutting groove on the shell, so that the winding core is exposed. Then, the shell flanging piece extrudes the shell, so that the shell is turned outwards, thereby increasing the diameter of the shell, so that the shell is separated from the winding core. The discharging piece can completely take down the winding core in the shell, effectively reduces the damage probability of the winding core, and effectively improves the integrity of the winding core after disassembly.

The utility model discloses a quick-change roller cam four-axis mechanism and a numerical control rotary table thereof, and relates to the field of numerical control rotary tables. The quick-change type roller cam four-axis mechanism and the numerical control rotary table thereof comprise a driven roller piece and a cam, a quick-release type fixing assembly is installed at the side end of the cam and comprises a fixing disc, a rotary connecting base and a movable connecting base, one end of the cam is arranged in the fixing disc, and the other end of the cam is movably clamped in the rotary connecting base. The movable connecting base is rotationally connected into the fixed disc, and one end of the cam abuts against the movable connecting base. According to the quick-change roller cam four-axis mechanism and the numerical control rotary table thereof, by arranging the quick-release fixing assembly, the cam is more convenient to replace, the sliding quick-release rod is driven by the power air cylinder, the cam can be quickly released and directly taken down on the premise that the cam can be clamped, and repositioning is not needed when the cam is clamped again.

The invention provides a bonding structure, an MEMS device and a bonding method, and the bonding structure comprises a first wafer, the surface of the first wafer is provided with a projection, and the surface of the projection is provided with a plurality of first bonding metal layers which are arranged at intervals; a plurality of second bonding metal layers which are arranged at intervals are arranged at positions, corresponding to the bulges, on the surface of the second wafer; the second wafer and the first wafer form a bonding structure through eutectic bonding between the first bonding metal layer and the second bonding metal layer; wherein the orthographic projection of the first bonding metal layer on the bulge and the orthographic projection of the second bonding metal layer on the bulge are at least partially not overlapped. According to the embodiment of the invention, the orthographic projection of the first bonding metal layer on the projection and the orthographic projection of the second bonding metal layer on the projection at least partially do not coincide, the non-coincident position forms a complementary structure during bonding to store overflow, the overflow risk is reduced, the coincident position forms a bonding structure through eutectic melting, and the bonding strength is ensured.

The utility model provides a sheet part punch tapping indexing device, including rotation indexing mechanism, rotation indexing mechanism includes the fixed baseplate of being fixedly connected with drill press concentrically, rotation indexing mechanism still includes rotation baseplate, rotation baseplate concentric indexing rotation relative fixed baseplate, and rotation baseplate drives rotation through the hand wheel drive mechanism of installation in vertical side surface, hand wheel drive mechanism drives rotation baseplate rotation through right angle bevel gear transmission, rotation baseplate concentric fixedly links nut pressure mechanism and drives nut pressure mechanism concentric rotation, and nut pressure mechanism includes support frame, and support frame realizes sheet part synchronous rotation through the concentric pressure fixed installation sheet part of nut and elastic pad. The utility model reduces sheet part punch tapping waste rate to 2%, compact structure, convenient operation, guaranteeing accuracy reduces processing cost at the same time.

A mirror device manufacturing method includes a forming step of forming a structure by forming a base portion, a movable portion, and a coupling portion coupling the base portion and the movable portion to each other such that the movable portion is able to swing with respect to the base portion through processing of a wafer, and forming a mirror layer in the movable portion; and a collecting step of performing collection of foreign substances from the structure using a collection member after the forming step. A mirror unit manufacturing method includes a sealing step of sealing the mirror device after the collecting step.

In a machining center for the mechanical machining of workpieces (12), comprising a first machining unit (13) which has a first tool slide (24a) movable in a Z-axis direction (21) of a coordinate system formed by three mutually perpendicular axes X, Y, Z, and which can be equipped with a machining tool (22) for machining a workpiece (12) arranged in a machining zone (23), and a first workpiece positioning unit (26a) movable in an X-axis direction (19) and in a Y-axis direction (20) and which can be equipped with a clamping device (25) for receiving and clamping the workpiece (12) to be machined, wherein the first tool slide (24a) has a drive spindle (92) that can be driven to a rotational movement to provide drive energy for the machining tool (22), and wherein the clamping device (25) is rotatable about a first rotational axis (54),A second machining unit (14) is provided, which can be operated independently of the first machining unit (13), is arranged adjacent to the first machining unit (13) in the X-axis direction and has a second tool slide (24b) that is movable in the Z-axis direction independently of the first tool slide (24a) and a second workpiece positioning unit (26b) that is movable in the X-axis direction (19) and Y-axis direction (20) independently of the first workpiece positioning unit (26a).