24results about How to "Reduced dimensional accuracy" patented technology

The present invention relates to the field of non-standard automation technology, in particular to an end cap rotary cutting assembly system and method for an injection-molded bottle body, comprising an injection molding machine, an injection molding transfer mechanism, a conveying mechanism, a first positioning mechanism, a first clamping mechanism, a rotary cutting mechanism, a second positioning mechanism, a second clamping mechanism and an end cap assembly mechanism, wherein the injection molding machine is used for bottle body injection molding, the injection molding transfer mechanism comprises an injection molding material picking component and an injection molding conveying component, the injection molding material picking component is used for grabbing the injection-molded bottle body on the injection molding machine and placing it on the injection molding conveying component, the injection molding conveying component is used for conveying the bottle body toward the conveying mechanism, the conveying mechanism is used for bottle body conveying, the first positioning mechanism is used for positioning the bottle body on the conveying mechanism, the first clamping mechanism is used for clamping the positioned bottle body and conveying it toward the rotary cutting mechanism, and the rotary cutting mechanism is used for ring cutting at the port on the bottle body; the present invention realizes full-chain automated operation from injection molding to end cap assembly through integrated and automated design.

In order to solve the problems that a shell and a cover plate of an existing button cell adopt a laser welding process, the cost is high, and liquid leakage of the cell is easy to occur, the utility model provides a shell assembly and a cell thereof. The shell assembly comprises a first shell, a second shell and an insulation sealing layer, the first shell and the second shell are each provided with an opening, the end, close to the opening, of the first shell is provided with a first thread, the end, close to the opening, of the second shell is provided with a second thread, and the insulation sealing layer is arranged between the first thread and the second thread. And the first shell and the second shell are in insulated sealing connection through the first thread and the second thread. According to the shell assembly, the cover plate and the shell do not need to be subjected to laser welding, the size precision of the shell cover is reduced, the production cost is reduced, the production efficiency is improved, and compared with a traditional shell cover laser welding mode, the sealing performance is more reliable.

The utility model relates to the technical field of vehicle-mounted electric control cover plate die-casting, and discloses a new energy vehicle-mounted electric control cover plate die-casting device which comprises a die-casting device body, a baffle is fixedly connected to the left side of the top of the die-casting device body, a die-casting mechanism is arranged at the top of the die-casting device body, and a base is fixedly connected to the bottom of the die-casting device body. A collecting mechanism is arranged at the bottom of the die-casting device body, the die-casting mechanism comprises a die-casting assembly and a stirring assembly, the die-casting assembly is arranged at the top of the die-casting device body, and during use, through the arranged die-casting mechanism, when a vehicle-mounted electric control cover plate needs to be subjected to die-casting work, a first servo motor drives a first threaded rod to rotate; the hydraulic cylinder pushes the push plate, raw materials in the conveying pipe stably and accurately enter the first die, the right side of the second die makes close contact with the left side of the first die, and the sealing performance of the dies in the die casting process is guaranteed.

The application discloses a kind of progressive forming device, process and process design method of engine boss component, belong to aerospace equipment technical field, the progressive forming process of engine boss component includes the following steps: S1.to high-temperature alloy material is preheated;S2.high-temperature alloy strip after preheating is handled by progressive die, and the boss component is prepared.The process method disclosed in the application effectively solves the problems existing in the traditional processing method by the continuity of production and high-speed production rhythm of progressive die, combined with material heating temperature control system.The process method has the advantages of improving production efficiency, reducing cost, improving product precision and consistency, and reducing deformation risk, etc., and can realize high-quality, high-efficiency boss product production.

The invention discloses a processing method for improving picosecond cutting board warping of an FPCOIL product, which comprises the following steps that a circuit board containing the product and a laser carrier capable of containing the circuit board are provided, and the laser carrier comprises a lower jig and an upper jig; the lower jig is placed on a working table; the circuit board is placed in the lower jig, and then the upper jig is placed at the upper end of the lower jig; the working table board adsorbs a circuit board through a lower jig, and a plurality of exhaust holes are formed in the lower jig; and cutting the circuit board by using a picosecond laser. The structure that the lower jig and the upper jig are fixed in a magnetic attraction mode is adopted for improving warping of a product board, the lower jig is placed on the working table, the whole circuit board is placed in the lower jig, a plurality of exhaust holes distributed in the periphery of the product are formed in the lower jig, effective attraction of the working table to the circuit board is facilitated, and the follow-up laser cutting precision is improved; and the upper jig is pressed on the edge area of the circuit board, so that the warping of the product can be improved.

The invention discloses an oil cooler space ring and a high-precision manufacturing method thereof.The oil cooler space ring comprises an annular body, an oil through hole is formed in the center of the annular body, four positioning bosses are evenly distributed at one end of the annular body in the circumferential direction, and a first sealing groove is formed in the peripheral face of the annular body; a second sealing groove is formed in the inner circumferential face of the annular body, a thread auxiliary groove is formed in the oil through hole, a flow guide groove is formed in the end, away from the positioning boss, of the annular body and distributed in a spiral shape, the positioning boss is used for axial positioning and circumferential positioning of the space ring in the oil cooler, and the assembly precision is guaranteed. The flow guide grooves are formed in the end face of the annular body and distributed in a spiral shape, the number of the flow guide grooves is six, the spiral flow guide grooves can guide a cooling medium to form ordered spiral flow on the surface of the space ring, the contact area of the cooling medium and the space ring is increased, the contact time of the cooling medium and the space ring is prolonged, and therefore the heat exchange efficiency is improved.

Provided is a method for manufacturing a large-section split steel box girder as a whole, which includes adjusting the height of the frame support plate on the general assembly frame; positioning and assembling the bottom plate unit for welding; assembling and welding the diaphragm unit and the web unit; assembling and welding the top plate unit, the nozzle block, and the cross beam block; pre-assembling adjacent beam sections and installing matching parts; selecting two beam transport flat cars to synchronously transport the steel box girder according to the stress condition of the steel box girder; setting fulcrums to store the beam according to the stress condition of the steel box girder; and using a special hoist to hoist the entire steel box girder segment. The present invention effectively controls the overall dimensional accuracy and connection accuracy of the split steel box girder; and effectively avoids deformation of the steel box girder; ensures the connection accuracy between adjacent steel box girder segments connected on site, and is suitable for promotion.

The utility model relates to the technical field of mechanical parts, in particular to a simple center plate machining device which comprises a base and an installation block, the top end of the base is fixedly connected with a machine body, a plurality of grooves are formed in the outer portion of the machine body, four limiting grooves are formed in the upper side of the base, and limiting blocks are connected into the limiting grooves in a sliding mode. The top ends of the four limiting blocks are fixedly connected to the four corners of the bottom end of the mounting block correspondingly, and a plurality of rubber rings are fixedly connected to the outer portions of the limiting blocks. The machining device has the beneficial effects that the structural weight and the material cost of the machining device are reduced, a mold is adjusted to adapt to new pressure and size requirements, and then the forming quality and size precision of the center plate are ensured, so that the cost is reduced, the efficiency is improved, the surface of the center plate has no decarburization phenomenon, the machining quality of the center plate is high, and the machining efficiency is improved. And therefore, the use economy of the device is relatively high.

The invention provides a polishing device for notebook computer shell machining, and relates to the field of polishing devices.The polishing device comprises a polishing bottom plate, two supporting columns arranged at the top of the polishing bottom plate, a polishing roller arranged between the two supporting columns, and adjusting assemblies arranged on the two sides of the polishing roller and used for disassembling, assembling and adaptively adjusting the polishing roller; the adjusting assembly comprises a lead screw a, a supporting column and a cross block, the cleaning assembly is arranged on one side of the grinding roller and used for cleaning chippings generated during work of the grinding roller, and the cleaning assembly comprises a fixing frame, a ventilation groove and an air draft hose. The device can adapt to materials of different specifications through the adjusting assembly and fix the grinding roller, the working efficiency is improved, sundries generated by grinding can be prevented from being attached to the surfaces of the materials through the arrangement of the cleaning assembly, and the machining precision is improved.

The utility model relates to a battery box cover forming die which sequentially comprises an upper die base and a lower die base from top to bottom, and a die forming assembly is arranged between the upper die base and the lower die base. An upper mold cavity is formed in the inner side of the bottom of the upper mold base, a lower mold cavity is formed in the inner side of the top of the lower mold base, the mold forming assembly sequentially comprises an upper male mold and a lower male mold from top to bottom, the upper male mold is installed in the upper mold cavity, and the lower male mold is installed in the lower mold cavity; the die forming face between the upper male die and the lower male die is of an arc-shaped structure with the high middle and the two low sides. Due to the fact that the die forming face between the upper male die and the lower male die is of the arc-shaped structure with the high middle and the two low sides, the problem that a battery box cover deforms when being formed in the die can be effectively solved, and the size precision is controlled.

The application provides a straight slot processing method based on double-C-axis cooperative motion of a lathe, and solves the problems of multiple clamping, low precision and dependence on special milling equipment in straight slot processing of large rotary components. A side milling head device is installed on a numerical control vertical lathe, a workpiece chuck rotation shaft is used as a first rotation shaft C1, and a milling head swing shaft is used as a second rotation shaft C2; a coordinate transformation relationship between a machine tool coordinate system and a workpiece coordinate system is established, a cooperative motion law of the C1 shaft and the C2 shaft is determined, a tool tip forms a linear motion track in a workpiece reference coordinate system; combined with rough processing layering and track planning of multiple finishing modifications, a numerical control program containing C1, C2 and feeding shaft linkage control is generated after post-processing. The application can complete high-precision processing of the straight slot in the large rotary component on the same equipment, reduces workpiece transfer and repeated clamping, reduces equipment cost, and is suitable for processing of the key groove or positioning groove of a magnetic yoke section of a pumped storage unit.

The utility model discloses a kind of wear-resistant ceramic pump bodies, including shell, ceramic lining and the first bonding layer for filling binder between shell and ceramic lining, the shell is equipped with and the cooperation hole of guard plate cooperation;The first bonding layer is equipped with wear-resistant ceramic piece near cooperation hole;The wear-resistant ceramic piece is annular, is spliced into by at least three ceramic sub-pieces, the surface of the ceramic sub-piece towards cooperation hole and the surface of the corresponding part of guard plate are adapted to each other.The utility model can greatly improve the wear resistance of the first bonding layer near cooperation hole by setting wear-resistant ceramic piece.In addition, wear-resistant ceramic piece is annular, is spliced into by at least three ceramic sub-pieces, can be under the premise that wear-resistant ceramic piece is not machined (i.e. Cost reduction in the process of pump body manufacturing), so that the radial inner surface of wear-resistant ceramic piece and the axial surface of corresponding guard plate are more consistent.

The invention discloses a modular prefabricated basement exterior wall protection brick and a construction method thereof, and relates to the technical field of building construction. The prefabricated protection brick is composed of a fine aggregate concrete layer and an extruded sheet in the height direction, and a reinforcing mesh is embedded in the fine aggregate concrete layer or between the fine aggregate concrete layer and the extruded sheet. The four side wall surfaces of the prefabricated protection brick are composed of a first group of adjacent side wall surfaces of one two adjacent side wall surfaces and a second group of adjacent side wall surfaces of the other two adjacent side wall surfaces, mortises are formed in the first group of adjacent side wall surfaces of the prefabricated protection brick, and tenons matched with the mortises are arranged on the second group of adjacent side wall surfaces of the prefabricated protection brick. The size precision and quality are better controlled through factory prefabrication, so that the prefabricated protection brick is more tightly attached to the basement outer wall; and high strength and impact resistance of the prefabricated protective brick are ensured. Due to the design of the mortises and the tenons, mortise and tenon joints are arranged on the edges of the prefabricated protection bricks according to modulus, and it is ensured that every two adjacent prefabricated protection bricks are tightly combined after being spliced through the mortise and tenon joints.

The utility model relates to the technical field of fastener processing, and provides a wire drawing machine for screw processing, which comprises a rack, a rotating disc rotatably arranged on the rack, two wire concentration rollers rotatably arranged on the rotating disc, wire end grooves formed in the outer surfaces of the wire concentration rollers, and a wire cutting piece arranged on the rack, the wire clamping piece is arranged on the same plane where the axes of the two wire concentration rollers are located and located between the two wire concentration rollers, and the wire clamping piece is arranged on one side of the end of the wire end groove. By means of the technical scheme, the problems that in the prior art, when wires are collected, shutdown is needed to replace the collecting roller, and when the collecting roller is replaced, wire ends affect the quality of part of the wires are solved.

The invention discloses a processing technology suitable for a new energy battery module integrated busbar, and belongs to the technical field of busbar processing. The processing technology of the integrated busbar comprises the following steps: S100, processing a plurality of busbars on a substrate, so that the plurality of busbars are of at least one integrated structure; and S200, an insulating film is hot-pressed on the plurality of busbars of the integrated structure. According to the invention, the busbar is of an integrated structure during hot pressing of the insulating film, so that the influence of hot pressing expansion and shrinkage of the insulating film on the distance between the busbars is reduced, the dimensional precision of the distance between the busbars is greatly improved, and the problem of expansion and shrinkage in the hot pressing process of the insulating film in the prior art is solved; and therefore, the relative dimensional precision among the busbars of a plurality of split structures is difficult to maintain.

The invention discloses a preparation method of a foil for diffusion bonding of a high-strength titanium alloy. The preparation method comprises the following steps: step 1, smelting; step 2, forging; 3, hot rolling of the plate blank; 4, cold rolling of the plate blank; and 5, rolling the foil. According to the preparation method, the reversing upsetting and drawing forging process and the reversing cross rolling hot rolling process are combined, multi-rolling-process one-way cold rolling and four-roller or six-roller reversing type foil rolling mill rolling are carried out, the foils of different sizes are obtained, the surfaces of the foils are smooth and flat, the plate shape quality is excellent, the size precision is high, and the production efficiency is high. According to the foil preparation method, an expensive twenty-high rolling mill does not need to be adopted, the requirement for rolling equipment for preparing the foil for diffusion bonding of the titanium alloy can be effectively lowered, and the foil preparation method is suitable for preparing the foil for diffusion bonding of the high-strength titanium alloy in the technical field of titanium alloy machining.

The invention discloses an armature reed assembly and a vacuum relay, and belongs to the field of vacuum relays. The armature reed assembly comprises an armature and a connecting support. The armature is provided with a mounting surface, a fixing part is arranged on the mounting surface, the connecting support is arranged on the mounting surface and comprises a support body and a connecting part, the connecting part is arranged at one end of the support body, the other end of the support body is arranged on the mounting surface, the support body is connected with the fixing part, and the fixing part supports the support body. In the embodiment of the invention, when the armature drives the bracket body to move and the bracket body drives the transmission rod to move through the connecting part, under the condition that the electromagnetic assembly applies the same force to the armature, the bracket body enables the transmission rod to be stressed more greatly, so that the normally open pressure of the normally open contact of the vacuum relay is increased.

The utility model discloses a kind of co-cured composite material transmission shaft forming tool, including upper die, lower die and two cover plates;The upper die, lower die and two cover plates are closed to form the forming cavity of composite material transmission shaft;Two ends of the forming cavity have metal joint cavity.The utility model forms accurate composite material transmission shaft forming cavity by the close cooperation of upper die, lower die and two cover plates, ensure the effective control of size accuracy and shape accuracy during forming process, improve the overall quality of product, in addition, the metal joint cavity designed at the two ends of forming cavity, so that metal joint and composite material can be co-cured in the same process, strengthen the bonding strength between metal joint and composite material, improve the overall performance and reliability of transmission shaft.

The invention relates to the technical field of non-standard automation, in particular to an end cover rotary cutting and assembling system and method for an injection molding bottle body, and the end cover rotary cutting and assembling system comprises an injection molding machine, an injection molding transfer mechanism, a conveying mechanism, a first positioning mechanism, a first clamping mechanism, a rotary cutting mechanism, a second positioning mechanism, a second clamping mechanism and an end cover assembling mechanism; the injection molding transfer mechanism comprises an injection molding material taking assembly and an injection molding conveying assembly, the injection molding material taking assembly is used for grabbing injection-molded bottle bodies on the injection molding machine and placing the injection-molded bottle bodies on the injection molding machine, the injection molding conveying assembly is used for conveying the bottle bodies towards the conveying mechanism, and the conveying mechanism is used for conveying the bottle bodies; the first positioning mechanism is used for positioning a bottle body on the conveying mechanism, the first clamping mechanism is used for clamping the positioned bottle body and conveying the bottle body towards the rotary cutting mechanism, and the rotary cutting mechanism is used for annularly cutting an end opening of the bottle body; through integrated and automatic design, full-chain automatic operation from injection molding to end cover assembling is achieved.

The utility model discloses a wind driven generator stator parallel ring leading-out copper plate welding positioning tool which comprises a bottom frame, a positioning plate and a positioning rod. The bottom frame comprises two front vertical rods, two rear vertical rods, a left mounting plate, a right mounting plate, a flat plate and a stop block; a left mounting plate is connected between one front vertical rod and one rear vertical rod, a right mounting plate is connected between the other front vertical rod and the other rear vertical rod, flat plates are connected to the tops of the two rear vertical rods, and check blocks are connected to the flat plates; a reserved mounting hole in the left end of the positioning plate is detachably connected with a mounting notch in the left mounting plate, and a reserved mounting hole in the right end of the positioning plate is detachably connected with a mounting notch in the right mounting plate; and one end of the positioning rod is detachable from the positioning rod connecting hole in the positioning plate. The device is accurate in positioning, and can ensure that the angle position of a lead-out copper plate is within the required range; and the universality is high, and the positioning requirements of various machine types can be met only by replacing small parts, namely the positioning plate.

The invention discloses a hot-rolled pickled steel plate for a spinning belt pulley and a manufacturing method of the hot-rolled pickled steel plate. The technical problems that an existing hot-rolled pickled steel plate for the spinning belt pulley is large in anisotropy and large in springback amount are mainly solved. According to the technical scheme, the hot-rolled pickled steel plate for the spinning belt pulley comprises chemical components in percentage by weight as follows: 0.008%-0.023% of C, 0.001%-0.034% of Si, 0.1%-0.2% of Mn, smaller than or equal to 0.015% of P, smaller than or equal to 0.0105% of S, 0.015%-0.055% of Al, 0.01%-0.02% of Ti, 0.0005%-0.0020% of B and the balance of Fe and inevitable impurity elements. The metallographic structure of the hot-rolled pickled steel plate is ferrite and a small amount of pearlite, and the hot-rolled pickled steel plate with the thickness of 3.0-5.0 mm | r | is less than or equal to 0.15; the method is mainly used for manufacturing high-precision spinning belt wheels and other components.

The present invention relates to the field of non-standard automation technology, and in particular to an automatic feeding rotary cutting and assembly equipment, comprising a conveying mechanism, a first positioning mechanism, a first clamping mechanism, a rotary cutting mechanism, a second positioning mechanism, a second clamping mechanism and an end cap assembly mechanism, wherein the first positioning mechanism is used to position the bottle body on the conveying mechanism, the first clamping mechanism is used to clamp the positioned bottle body and convey it toward the rotary cutting mechanism, the rotary cutting mechanism is used to perform ring cutting on the port on the bottle body, the second positioning mechanism is used to position the bottle body after passing through the ring cutting port on the conveying mechanism, and the end cap assembly mechanism is used to assemble the end cap to the port after the ring cutting; the present invention is highly automated and continuous in the entire process from bottle body positioning, clamping and conveying, rotary cutting to end cap assembly, which reduces the waiting time and human intervention in the intermediate links and significantly improves the overall production efficiency and capacity.

The present invention provides a high-speed buffer oil cylinder of a hydraulic hoist for a gate of a water conservancy and hydropower project or an avionics project. A piston rod is arranged in the cylinder body of the hydraulic cylinder, and an expansion sleeve is arranged near the piston on the piston rod. A spiral groove sleeve is arranged at the end of the rod cavity of the cylinder body. When the piston approaches the end of the rod cavity, a clearance fit is formed between the expansion sleeve and the spiral groove sleeve. At least one spiral groove is arranged on the inner wall of the spiral groove sleeve, and the end of the spiral groove is open toward one end of the piston, and the spiral groove constitutes a hydraulic oil buffer oil leakage channel. By adopting a scheme in which the expansion sleeve cooperates with the spiral groove sleeve and an end-open spiral groove is arranged on the inner wall of the spiral groove sleeve, the dimensional accuracy of the leakage gap is reliably controlled, the oil leakage distance is extended, and the buffering effect under heavy load and high speed of 10 meters per minute is ensured.