81results about How to "Guaranteed accuracy requirements" patented technology

The invention discloses a full-automatic cutter replacing device and system.The full-automatic cutter replacing device comprises a sampling head, a sampling pipe, a mechanical claw, a mechanical arm, a cleaning bin, a recycling bin, a first adapter and a second adapter, separation and connection of the sampling head and the sampling pipe are achieved through the mechanical claw and the mechanical arm, and a first limiting part and a second limiting part are arranged on the first adapter and the second adapter; the first clamping jaw and the second clamping jaw are matched with the first limiting part and the second limiting part, so that automatic matching and separation between the sampling head and the sampling pipe can be stably realized for a long time, meanwhile, the stress of the mechanical arm is reduced in the matching and separation processes, and the stability of the sampling pipe is ensured; the technical scheme is adaptive to the existing sampling tube and sampling head, and in addition, the precision matching requirement when the sampling tube and the sampling head are inserted and pulled is also reduced.

The invention discloses a ship large module assembling and cabin entering platform which comprises a multi-layer main body frame, a plurality of hydraulic supporting mechanisms, a control mechanism and a plurality of measuring mechanisms. The multi-layer main body frame is used for supporting and fixing a ship large module and can be connected with the interior of a ship body. The multiple hydraulic supporting mechanisms are installed at the bottoms of the multiple layers of main body frames correspondingly. The control mechanism is electrically connected with the hydraulic supporting mechanisms and can control opening and closing of the hydraulic supporting mechanisms, so that the height of the multi-layer main body frame is adjusted. The multiple measuring mechanisms are arranged on the multiple layers of main body frames, used for measuring the levelness of the multiple layers of main body frames and electrically connected with the control mechanism. Therefore, according to the ship large module assembling cabin entering platform, the structure is matched with the module configuration, through the design of the multi-layer platform and the adjustment of the second hydraulic cylinder, the operation space and the installation precision are ensured, and the construction efficiency is improved.

The invention provides a rope-driven intelligent mechanical arm applied to a high-voltage power transmission tower. The rope-driven intelligent mechanical arm comprises a five-degree-of-freedom body structure module, a fixed bottom plate module and a tail end magnet quick-change module. The five-degree-of-freedom body structure module comprises a second rope, a carbon tube connecting disc, a large arm carbon tube, a transmission gear, a rotating disc, a rope penetrating sleeve, a wrist connecting disc, a fixing disc, a small arm carbon tube and a second joint motor. A second rope penetrates through a rope penetrating sleeve arranged on the rotating disc, an output shaft of a second joint motor is connected with a pinion, then is connected with a transmission gear and is arranged on the rotating disc, and the transmission gear is connected with a carbon tube connecting disc; the large arm carbon tube is connected with the carbon tube connecting disc through a fastening bolt, and the second rope penetrates out of the large arm carbon tube after passing through the rope penetrating sleeve to drive the small arm carbon tube to rotate. The five-degree-of-freedom series mechanical arm is adopted as an overall structure, the large working range is achieved, meanwhile, the carbon fiber tube connecting rods are adopted, the weight is light, replacement is convenient, and therefore the five-degree-of-freedom series mechanical arm has good maintainability and stability.

The present invention belongs to the field of plasma cutting technology, and in particular to a millimeter wave therapeutic device plasma cutting device and method, comprising a base and a workbench fixed on the surface of the base, wherein a fixing component is installed inside the workbench. The device is provided with a fixing component, which can press and fix the four corners of the surface of the millimeter wave therapeutic device shell to ensure that the millimeter wave therapeutic device shell will not be displaced during the cutting process, and can provide stable supporting force from multiple directions, thereby avoiding processing errors caused by unstable position, ensuring the accuracy and consistency of the cutting lines, and preventing quality problems such as uneven cutting surface and dimensional deviation caused by shell shaking, which helps to improve the qualified rate and overall quality of the product. In addition, the whole process does not require human intervention and has a high degree of automation, which greatly improves the accuracy and timeliness of the operation, effectively avoids the problem of inaccurate positioning caused by human judgment delays or errors, and provides a strong guarantee for high-precision processing.

Provided is a manufacturing method of a polygonal basket arch bridge with an inserted ear plate and a tooling thereof, comprising the following steps: tooling adjustment and inspection; assembling a fixed side lower belly plate; assembling a fixed side partition plate; assembling a movable side lower belly plate; assembling a movable side partition plate; assembling a top plate and a bottom plate; assembling a left upper belly plate and a right upper belly plate; assembling an inserted ear plate; box-type welding. The present invention has a simple structure, is easy to use, has efficient positioning, is safe and reliable, has ideal versatility, and is efficient in construction. It provides a reference for the manufacture of similar steel components, solves the problem that the large linear shape of the cross section is difficult to control and the angle of the ear plate is difficult to control; and improves production efficiency, achieves certain economic benefits, has extremely high practical and promotion value, and is suitable for promotion.

This utility model discloses a wafer support ring holder for proton irradiation of wafers, relating to wafer irradiation processing. It includes a wafer tray, which is the main tray. The top surface of the wafer tray has an irradiation width region, within which several wafer support rings are arranged. Each wafer support ring is circular, and adjacent wafer support rings are evenly spaced within the irradiation width region. The wafer tray is made of 5051 aluminum alloy. This utility model improves the wafer placement method by structurally adding support rings. Through welding fixtures, the center of the wafer is precisely aligned with the irradiation center, ensuring irradiation accuracy. This utility model optimizes the wafer handling operation by structurally designing the support rings as two-lobed pieces with a gap in the middle, facilitating alignment and flipping operations with a vacuum pen, reducing damage to the wafer during manual handling.

The invention provides a remanufacturing method of a liquid inlet and return multi-way block. The hole diameter of the multi-way block is smaller than the minimum machining size of additive materials to serve as an additive material replacement hole; the repairing method comprises the following steps that (1) a positioning groove is milled near an interface where the additive replacement hole is located; (2) a new hole is formed in the vertical direction of the groove bottom of the positioning groove, and the new hole and the additive replacement hole are communicated to the same internal channel; (3) a connector base with the shape matched with the width and depth of the positioning groove is manufactured, and a replacement sealing hole matched with the new hole is manufactured in the connector base; 4, the outer hole part of the original additive replacement hole is expanded, the expanded outer hole area is sealed through a sealing plug and welded and fixed, the original additive replacement hole is wholly sealed, and repairing is completed. The method has the advantages that the liquid inlet and return multi-way block is repaired through the remanufacturing technology, and the structural performance of the multi-way block is guaranteed.

The invention provides a cold rolling process steel structure column installation method, and belongs to the technical field of steel structure construction.The method comprises the steps that slurry blocks are constructed at the positions, corresponding to the four corners of a fixing plate at the bottom of a steel structure column, of a base, two inclined base plates are placed on the tops of the slurry blocks, the lower ends of the two inclined base plates are oppositely arranged, and the inclined faces of the inclined base plates located on the outer sides face downwards; the inclined plane of the inclined base plate located on the inner side faces upwards, and the inclined plane of the inclined base plate located on the outer side is erected on the inclined plane of the inclined base plate located on the inner side, so that the top face of the inclined base plate located on the outer side forms a stress supporting face for the steel structure column. The levelness and perpendicularity of the steel structure column can be rapidly and accurately adjusted, one-time forming installation can be achieved, the installation precision requirement is guaranteed, the construction technology is simple and convenient, and the installation efficiency of the steel structure column is effectively improved.

The invention belongs to the technical field of aviation machining, and discloses a numerical control machining method for a magnetically soft alloy large-length-diameter-ratio thin-wall rotary workpiece, which comprises the following steps of: clamping the outer circle of the workpiece, penetrating a mandrel through an inner hole, and carrying out rough machining and finish machining on the outer circle at one end of the workpiece; turning around, clamping the outer circle of the workpiece, enabling an inner hole to penetrate through a mandrel, and performing rough machining and finish machining on the outer circle of the other end of the workpiece; the outer circle of the workpiece is clamped, the end face of the workpiece is flattened, an inner hole is bored, and back gouging is conducted on the root of the hole; and turning around, clamping the outer circle of the workpiece, flattening the end face of the workpiece, and turning and adjusting a threaded hole. The problem that in the existing thin-wall part machining process, wall thickness uniformity and consistency control are poor is solved, the machining efficiency is high, and the machining quality is stable and reliable.

The utility model discloses a quick-changing structure for a part press-fitting station tool. The quick-change structure comprises a tool fixing plate and a tool quick-change plate below the tool fixing plate. A fixing plate groove is formed in the top face of the tool fixing plate. A sliding block is arranged in the fixing plate groove. And an L-shaped barb is formed on the top surface of the tool quick-change plate. And the tool quick-change plate is locked on the tool fixing plate through the L-shaped barbs. The tool fixing plate and the tool quick-changing plate have the advantages that the tool fixing plate and the tool quick-changing plate can be quickly assembled and disassembled through the design of the sliding blocks and the L-shaped barbs.

The utility model provides a hardware processing buffer fixing device belongs to hardware processing technical field, this hardware processing buffer fixing device, including base and base surface integral fabrication shaping has T shape frame, its characterized in that: T shape frame top inside passes through fixed column I and is installed with double -end telescopic cylinder, and both sides pass through two fixed columns II and are articulated with two clamping arms, and two telescopic ends of double -end telescopic cylinder are articulated with two clamping arms outer ends respectively through two articulated components, and two clamping arms inner ends are respectively equipped with two clamping components, and two clamping components outer walls are equipped with two buffer components respectively, and two buffer components are respectively with two clamping arms inner surface and are pasted, wherein, through double -end telescopic cylinder drive two clamping arms hammer end's two clamping components and two buffer components, can effectively solve the problem that the traditional fixing device clamping force is too big, very easily leads to hardware to appear deformation, scratch, indentation and so on damage.

The utility model provides a hollow tank body trimming mechanism which comprises a positioning seat and at least one tool bit assembly, each tool bit assembly comprises a group of blades which are mutually matched in a shearing mode, and a meshing point acting on an opening portion of a hollow tank body is arranged between the two blades. The hollow tank body moves along the moving track and passes through the meshing points; the positioning seat is provided with a plurality of static parts, each tool bit assembly is provided with a moving part, and the static parts are matched with the moving parts in a one-to-one alignment mode. The static parts or the moving parts have an extension length, and the moving parts move relative to the corresponding static parts in the direction of the extension length. In the model changing process, the moving track of the hollow tank body is not changed, only the tool bit assembly is made to move close to or away from the moving track in the model changing process, then position change of other parts caused by the change of the moving track of the hollow tank body does not need to be replaced, the model changing process is simple, adjusting steps are simple, and the cost is low. And time and labor are saved.

The present invention discloses a claw pole plate forming mold for automobile motors and a claw pole plate forming method for automobile motors, comprising an upper mold group and a lower mold group arranged up and down, wherein the upper mold group and the lower mold group are equipped with a gear cutting station, a gear turning preforming station and a gear turning station along the conveying direction of the material belt; the gear cutting station, the gear turning preforming station and the gear turning station are formed by a convex mold located in the upper mold group and a concave mold located in the lower mold group; the gear cutting station is suitable for cutting a tooth shape on the claw pole plate of the material belt so that a plane pole tooth is formed on the inner periphery of the claw pole plate; the gear turning preforming station is suitable for folding the plane pole tooth to form an inclined pole tooth, and the folding angle is less than 90°; the gear turning station is suitable for further folding the inclined pole tooth to a right angle. The mold of the present invention sequentially arranges a gear cutting station, a gear turning preforming station and a gear turning station along the conveying direction of the material belt, which can realize high-speed continuous and automated production of claw poles, improves production efficiency and reduces the production cost of a single part.

The invention relates to a detection device and method for a high-precision small-angle bevel guide rail of a box-type part. The device comprises a detection seat and a plug plate, the detection seat comprises a base, a supporting seat, a supporting pin, a substrate, a measuring plate and a supporting plate. Two substrates are symmetrically arranged at the lower part of the detection seat, the inclination of the substrates is consistent with that of a part, and measuring plates are symmetrically arranged at the upper part of the detection seat. The plug plate is used for detecting the gap between the upper end face of the part and the measuring plate of the detection seat, if the go-end part of the plug plate can pass through the gap and the no-go-end part of the plug plate cannot pass through the gap, the bevel guide rail of the part is qualified, otherwise, the bevel guide rail is unqualified. The device is simple in structure, stable, reliable, easy to maintain, convenient to operate and high in detection precision, can accurately and effectively judge whether the high-precision small-angle inclined plane guide rail is qualified or not quickly, can meet the requirement for quick detection of the high-precision small-angle inclined plane guide rail of a box-type part in batch production, and guarantees the precision requirement of a product.

This invention provides a method, apparatus, and electronic device for calibrating gaze points, relating to the technical field of gaze point calibration. The method includes: constructing a test bench on a horizontal surface, with a camera calibration plate fixed to a gaze point wall perpendicular to the horizontal surface; performing 3D reconstruction on the acquired image when the gaze point of the target object falls within the gaze point area to determine the 3D coordinates corresponding to each checkerboard corner point in the gaze point area on the camera calibration plate; optimizing the target corner point plane using the 3D coordinates corresponding to each checkerboard corner point in the gaze point area; and determining the 3D coordinates corresponding to each checkerboard corner point on the camera calibration plate based on the target corner point plane and the 3D coordinates corresponding to each checkerboard corner point in the gaze point area. This solution alleviates the technical problem in the prior art where the true value of gaze direction cannot be widely applied to driving behavior monitoring and cannot meet the range and accuracy requirements of driving behavior monitoring.

The invention discloses an aero-engine flame tube assembly machining method, which belongs to the technical field of aero-engine machining, and comprises the following steps: machining a film hole in a circular ring at the head of a flame tube assembly and a film hole in a bevel edge; welding a head circular ring and an inner wall of the flame tube assembly; converting the axial reference and the central reference of the part; converting the angular reference of the blank piece to the angular reference of the machined piece; with the angular holes in the mounting edges as the reference, the laces of the mounting edges are machined, and the mounting edges are machined through the linear cutting technology to form the laces; a ring groove air film hole is machined through high-speed electric spark, a second supporting face is supported through a second supporting clamp, and the air film hole in the ring groove is machined; the inner wall is subjected to spraying treatment; and performing laser processing on the inner wall mixing holes. The method has the advantage that the risks of deformation and size out-of-tolerance of the flame tube assembly in the machining process are reduced.

The invention provides a silica gel mold for producing a ceramic unicompartmental knee joint femoral condyle and a manufacturing method of the silica gel mold, and relates to the technical field of ceramic unicompartmental knee joint femoral condyle manufacturing. According to the silica gel mold for producing the ceramic unicondylar knee joint femoral condyle and the manufacturing method of the silica gel mold, the upper mold, the lower mold, the forming block, the connecting block and the arc block are designed, the manufacturing process is easy to operate and complete in process, meanwhile, a 3D printed product is demolded, the precision requirement of the cavity size is better guaranteed, various curing agents are added in the manufacturing process, and the manufacturing cost is reduced. The method has the advantages that metering and proportioning are guaranteed, various reaction times are fully controlled, a silica gel mold manufactured under various optimal conditions has the advantages of being good in abrasion resistance, fine in simulation and the like, the ceramic unicompartmental knee joint femoral condyle is directly formed through the mold, machining is not needed, raw materials are saved, manufacturing cost is reduced, production efficiency is improved, batch production is achieved through the mold, and production cost is reduced. The precision and tolerance of a machining machine do not need to be considered, the consistency can be greatly guaranteed, and the precision and tolerance of products are guaranteed.

The invention discloses a shielding steel plate embedded part and S-shaped sleeve group structure and an installation construction method. The shielding steel plate embedded part and S-shaped sleeve group structure comprises a lower concrete pouring body, a fixed embedded part, a supporting stand column, a transverse supporting assembly, an embedded part supporting steel plate, a shielding steel plate embedded part and an S-shaped sleeve. The fixed embedded part is embedded in a lower concrete pouring body in advance, the supporting stand column is installed on the fixed embedded part, the transverse supporting assembly is installed on the supporting stand column, the embedded part supporting steel plate is installed on the top of the supporting stand column, and the shielding steel plate embedded part is installed on the embedded part supporting steel plate. The shielding steel plate embedded parts comprise the first shielding steel plate embedded part and the second shielding steel plate embedded part, the first shielding steel plate embedded part is located on the front face of the wall to be poured, and the second shielding steel plate embedded part is located on the back face of the wall to be poured. And an S-shaped sleeve is arranged between the first shielding steel plate embedded part and the second shielding steel plate embedded part. The overall stability of the large overweight wall shielding steel plate embedded part and the S-shaped sleeve group structure is improved, and the installation precision requirement is guaranteed.

The utility model discloses a boring clamp for a series of sliding blocks. The boring clamp comprises a bottom plate, a positioning block, a gland, a pressing plate, a supporting screw rod and a pressing screw rod, the positioning block comprises a lower positioning convex block, a middle positioning connecting plate and an upper positioning convex block; the lower positioning protruding block is connected with a concave hole in the middle of the bottom plate in an inserted mode, the middle positioning connecting plate is connected with the bottom plate, a positioning ring is arranged on the upper surface of the middle positioning connecting plate, the bottom of a to-be-machined sliding block is arranged on the inner side of the positioning ring, the gland is placed on the top of the to-be-machined sliding block, the pressing plate is placed on the top of the gland, and the pressing plate is used for pressing the to-be-machined sliding block through the pressing screw. The fixture is suitable for fixing various sliding blocks, namely, the various sliding blocks can be fixed on the lathe, so that a cutter on the lathe can conveniently bore the various sliding blocks, the machined sliding blocks can meet the design requirement and the precision requirement, the fixture is simple in structure and convenient to assemble and disassemble, the total machining time is shortened, and the machining efficiency is improved. And the processing efficiency is improved.

The present invention discloses a structure and method for length-fixing and testing an optical fiber array of an optical module, comprising a base and a cover plate detachably connected to the base, the cover plate being processed with at least one first positioning hole for positioning the FA head of the optical fiber array and a second positioning hole for positioning the MT head of the optical fiber array, each first positioning hole and the second positioning hole being connected through a profiling hole, the length of the profiling hole corresponding to the target fiber length, and the base being provided with an elastic loading unit for clamping the FA head in the first positioning hole and the MT head in the second positioning hole. The present invention is not only simple in structure and convenient in maintenance, but also can quickly and accurately fix the length of the optical fiber of the optical array through the cover plate with the profiling hole.

This invention relates to the field of laser welding fixture technology, and discloses a laser welding fixture for a medical device cutting blade, comprising: a stage, with a thick protruding base integrally provided at each of the four corners of the stage; flat pressure grooves are formed on the surface of the bases on both sides of the middle of the stage; a first pressure sliding member and a second pressure sliding member are slidably disposed inside the two pressure grooves respectively; a first pressure plate is rotatably disposed in the middle of the second pressure sliding member; a second pressure plate is rotatably disposed on the base on one side of the end of the stage; and two placement grooves are formed side by side on the surface of the stage, with the cutting blade workpiece placed inside the placement grooves. This laser welding fixture for a medical device cutting blade solves the problem that in the existing technology, most medical device cutting blades are fixed using complex structures, which consume a lot of time and result in low production efficiency during mass production.

A satellite-borne retractable helical antenna structure comprises a grounding plate and a helical main body, the axis of the helical main body is vertically and fixedly arranged on the upper surface of the grounding plate, and a plurality of flexible helical geometric holding members are circumferentially and spirally arranged between two adjacent ring layers of the helical main body; the device further comprises an unlocking releasing mechanism arranged on the upper surface of the grounding plate in the spiral main body, and at least three inhaul cables are connected between the unlocking releasing mechanism and the top ring of the spiral main body to fold and fix the spiral main body. Through reasonable design and arrangement of the spiral main body and the structures of all parts, the spiral antenna has a large storage ratio, effectively reduces the emission space occupied by the antenna, enables the spiral main body ring layers to have structural continuity in cooperation with the flexible spiral geometric holding member, improves the structural rigidity of the spiral antenna, guarantees the spiral size precision after unfolding, and improves the antenna performance. The on-orbit electrical performance index of the antenna can be ensured to be met; the overall structure is easy to implement, the on-orbit unfolding function of the satellite-borne helical antenna is achieved, the overall structure has high rigidity, only a small number of matched devices are needed, the mass of the overall helical antenna can be reduced, and the reliability of the folding and unfolding function is improved.

The invention relates to the technical field of movable bridge construction, and discloses a vertical rotation movable bridge installation device and method.The vertical rotation movable bridge installation device comprises a bridge pier, an embedded hole is formed in the top of the bridge pier, and a bearing seat embedded part and an oil cylinder seat embedded part are fixedly connected into the embedded hole; lower nuts are in threaded connection with the outer portion of the bearing seat embedded part and the outer portion of the oil cylinder seat embedded part, the tops of the lower nuts are fixedly connected with a first mounting plate and a second mounting plate respectively, and the first mounting plate and the second mounting plate are connected to the outer portion of the bearing seat embedded part and the outer portion of the oil cylinder seat embedded part in a sleeving mode respectively. According to the installation device and method for the vertically-rotating movable bridge, an overall pre-embedding mode is adopted, all the pre-embedded bolts are pre-embedded at high precision, all the bolts can be accurately aligned while the coaxiality of all the bearing pedestals is guaranteed, construction is easy, precision adjustment is convenient and fast, and the installation efficiency is improved. The movable bridge can be widely applied to the field of similar large movable bridges and projects with high pre-embedding precision requirements.

The invention discloses an energy-saving type double-air-duct double-control constant-temperature clean air supply system in the technical field of semiconductor manufacturing, the energy-saving type double-air-duct double-control constant-temperature clean air supply system comprises a heat exchanger, an air inlet duct, an independent air duct and an EFU air duct, one end of the air inlet duct is connected with an air outlet of the heat exchanger, and the other end of the air inlet duct is provided with a first air outlet and a second air outlet; the second air outlet is located at the downstream of the first air outlet; an independent fan is arranged in the independent air duct, one end of the independent air duct is connected with the first air outlet, and the other end of the independent air duct is connected to a first target area; an EFU fan is arranged in the EFU air duct, one end of the EFU air duct is connected with the second air outlet, and the other end of the EFU air duct is connected to a second target area; an air supply system is additionally arranged in the equipment, on the premise that constant-temperature cleanliness is guaranteed, excessive space in the equipment is not occupied, and meanwhile power consumption is low.

The application aims to provide an adapter connection structure of a pulse coder, which is connected to an outer end mounting surface of a support, an inner end mounting surface of the support is fixedly connected with a motor, a transition shaft is coaxially connected to a tail end of a rotor shaft of the motor, a shaft sleeve is sleeved on a shaft section of the transition shaft which is suspended to a hole cavity of the pulse coder, the shaft sleeve is arranged with the same core as the suspended shaft section and forms a locking fit with axial displacement. In the above scheme, the transition shaft is used as a component connected with the motor rotor shaft and also cooperates with the hole cavity of the pulse coder, which needs to ensure the same core degree with the motor rotor shaft and meet the cooperation requirement with the hole cavity of the pulse coder. The transition shaft with the shaft sleeve can ensure the precision requirement of the above connection and cooperation, so even if the pulse coder is replaced due to failure, the shaft sleeve with the size precision of the hole cavity of the pulse coder can be accurately measured in advance, and then the shaft sleeve is adjusted and locked in the screwing position of the suspended shaft section.

The utility model relates to aerospace precision machining equipment technical field, especially a kind of general fixture for turbine pump shell machining, including base, precision chuck, base plate, three groups of moving slider, three centering clamping jaws and three pressing plate;Adopt composite positioning mode, through high-precision chuck three-jaw self-centering principle, initial positioning X, Y centering;Adopt three-point plane principle, utilize the locating surface of spherical contact component, realize Z positioning;Base plate adopts thread+positioning pin hole combination;It can be quickly disassembled according to different product size conversion positioning and clamping.This utility model clamps shell class parts, adopts three-jaw self-centering clamping mode to cooperate three-point spherical positioning principle.And adopt the end face of axial compression part, can be well guaranteed part deformation, realize shell processing process clamping without deformation, ensure turbine pump shell machining after ultrahigh precision, clamping operation is convenient, improve processing efficiency, satisfy design requirement after processing.

The utility model provides a kind of impeller injection mold, including upper die plate, lower die plate, core mould and sliding block;The core mould is located on upper die plate, the sliding block is circumferentially distributed in the periphery of core mould, and the sliding block, core mould, upper die plate and lower die plate constitute the mold cavity of impeller;The sliding block is combined sliding block, and the combined sliding block includes upper layer sliding block and lower layer sliding block, and the lower layer sliding block is movably installed on upper die plate along second direction, and the upper layer sliding block is movably installed on lower layer sliding block along first direction, and the lower layer sliding block is connected with second straight line mechanism, for driving lower layer sliding block to move on upper die plate along second direction;The upper layer sliding block is connected with first straight line mechanism, for driving upper layer sliding block to move on lower layer sliding block along first direction.The utility model solves high negative angle blade demolding damage problem by combined sliding block, greatly improves yield, and moreover prolongs the service life of mould, reduces maintenance cost.

The invention discloses a side jacking device for machining the end face of a support part and a using method of the side jacking device and belongs to the technical field of clamps. The upper end of the clamp body is provided with a positioning block, the left and right sides of the upper end are screwed with compression screws, and the front surface is connected with a horizontal pressing plate and a vertical pressing plate; the upper surface of the positioning block is connected with a vertical support, and a spring is arranged outside the vertical support. The method comprises the following steps that all the vertical supports are adjusted to be on the same horizontal line; the part is attached to the clamp body; placing the positioning surface of the part on the vertical support; a part is pre-jacked through the compression screw, and the part is pre-pressed through the pressing plate; observing the lineation of the part through a pull meter and adjusting a corresponding vertical support; a part is pressed through the pressing plate, and the pressing screw abuts against the part. And after confirming that part marking is correct again, processing a part positioning reference surface. The machining precision of the positioning datum plane is improved, the stability of the machining process is ensured, the machining precision of parts is improved, the labor intensity of workers is reduced, and the production efficiency is improved.

The utility model discloses an injection chamber welding device, and relates to the technical field of injection chamber welding and fixing. The device comprises a bottom plate, a left supporting block, a middle supporting block, a right supporting block, a baffle and a hoop connector. A plurality of positioning pin holes are formed in the left supporting block at intervals; a first notch is formed in the upper portion of the middle supporting block, and a plurality of positioning pin holes are formed in the middle supporting block around the first notch at intervals. A second notch matched with the first notch is formed in the lower portion of the baffle, a third notch is formed in the upper portion of the baffle, and a plurality of positioning pin holes are formed in the baffle around the second notch at intervals. The utility model solves the current situation that all parts cannot be fixed and welding deformation cannot be limited in the injection chamber welding process, improves the product quality and the processing stability, mainly aims at ensuring the product quality and the processing precision, and has the advantages of compact structure, accurate positioning, reliable support, sufficient rigidity, good contact with a workpiece and high production efficiency. And the manufacturability of structural components is good.

The utility model relates to the technical field of integrated motors, in particular to an installation positioning structure and an integrated motor, the installation positioning structure comprises a motor shell, a speed reducer shell and an adapter cover, the motor shell is provided with a first opening, the speed reducer shell is provided with a second opening, and the adapter cover is provided with a second opening. The adapter cover is arranged between the motor shell and the speed reducer shell, one side of the adapter cover covers the first opening, and a first positioning structure is arranged between one side of the adapter cover and the motor shell; the other side of the adapter cover covers the second opening, and a second positioning structure is arranged between the other side of the adapter cover and the speed reducer shell. According to the installation positioning structure and the integrated motor provided by the utility model, the installation positioning structure is adopted for installation, the installation is convenient and fast, the installation precision is high, the structure is stable after installation, and the motor is compact in structure, reasonable in layout, small and simple.