34results about How to "Good size consistency" patented technology

The invention relates to the technical field of medicine preparation processes, discloses a preparation process of inositol nicotinate tablets, and aims to improve uniform distribution and particle stability of medicine components. The process comprises the following steps: premixing a filling agent and a disintegrating agent to form a first auxiliary material mixture; mixing inositol nicotinate with a first auxiliary material, and screening to obtain a second raw material mixture; dry inositol nicotinate particles are obtained through wet granulation and staged drying; optimizing a particle screening process by adopting an airflow screening model to obtain target particles; and finally, mixing with a lubricant and pressing into tablets. Through application of the airflow screening model and segmented temperature control drying based on the dissolution rate, the uniformity, the dissolution performance and the production efficiency of the product are remarkably improved.

The invention discloses a processing method for rounding internal and external spline molded surfaces, which comprises the following steps of: S1, adopting a clamping mode of one clamping and one supporting or direct clamping, and clamping by designing an elastic bushing or a spline bushing; s2, aligning an external spline by designing a spline positioning ring, and machining by adopting a step-by-step method; s3, a spline bushing is designed based on the same principle in the step S2, and an internal spline is aligned; s4, designing a forming column milling cutter; s5, constructing a two-dimensional or three-dimensional spline model of the corresponding size; according to the method, the machining quality is high, and the reliability and stability of spline connection can be effectively improved.

The invention discloses a preparation method of a laser bar heat sink sheet with high thermal conductivity and low thermal expansion. The preparation method comprises the following steps: cutting a sheet-shaped artificial diamond into a laser bar heat sink sheet core material in a laser cutting manner; plating metal chromium or titanium on the surface of the core material by adopting a magnetron sputtering method, and coating a layer of active brazing metal on the surface of the core material to form a core material inner mold; a graphite die provided with a plurality of through hole arrays is adopted, and each through hole is provided with an upper graphite pressure head and a lower graphite pressure head; combining and coating the core material inner mold with a matched metal shell and a matched cover plate, then placing the core material inner mold in the through hole, and assembling an upper graphite pressure head and a lower graphite pressure head to form a template assembly; carrying out vacuum hot pressing sintering on the template assembly to obtain a laser bar heat sink blank, and grinding and polishing to obtain a laser bar heat sink finished product; according to the obtained product, the flaky artificial diamond serves as a core, copper or copper alloy is compounded on the surface, the overall heat conductivity of the product is further improved, meanwhile, the proper thermal expansion coefficient is guaranteed, the machinability is good, and the method is suitable for large-scale production.

The invention discloses a polyhydroxyalkanoate composition and a preparation method thereof. The polyhydroxyalkanoate composition comprises the following components in parts by mass: 100 parts of polyhydroxyalkanoate; 0.5 to 5 parts of unsaturated D-polylactic acid; 0.5 to 5 parts of poly (L-lactic acid); the preparation method comprises the following steps: S1, carrying out melt blending on the polyhydroxyalkanoate and the unsaturated D-polylactic acid, and enabling the polyhydroxyalkanoate and the unsaturated D-polylactic acid to fully react, so as to obtain an intermediate product; and S2, carrying out melt blending on the intermediate product obtained in the step S1, poly-L-lactic acid and an ester exchange inhibitor to finally obtain the polyhydroxyalkanoate composition with excellent thermal stability, high melt strength and high crystallization speed.

The utility model belongs to the field of household appliances, and particularly relates to a ceiling type water-cooling air conditioner, which is mounted at the upper end of a ceiling and comprises a shell, a compressor, a water-cooling condenser, a fan and an evaporator, and the compressor, the water-cooling condenser, the fan and the evaporator are arranged in the shell. The water-cooled air conditioner is installed above a suspended ceiling, and the problem that the water-cooled air conditioner occupies space is solved.

The invention relates to a copper foil for packaging and supporting an electronic component and a preparation method of the copper foil, the copper foil is provided with cavities, the cavities are prepared in a pattern electroplating mode, and the cavities are distributed in an array mode. The method solves the problem that the cavity is difficult to prepare in a printed circuit board factory, especially the problems that the thick copper foil cavity is difficult to etch, and the size of the etched cavity is difficult to control.

The application provides a method and a die for realizing heading forming of a fastener head structure, and comprises the following steps: adopting the die to perform one-time heading on the fastener head structure to obtain a rough heading head type; and adopting the die to perform two-time heading on the rough heading head type to obtain a fine heading head type.The application has the beneficial effects that: the product size consistency is good; the new forming method is adopted, the product head type is replaced by heading instead of turning, the influences of unstable clamping, tool wear and unstable personnel operation during turning are avoided, the product processing process is stable, and the size consistency is good; the material utilization rate is high; the product head type is replaced by heading instead of turning, the head type size is directly formed by heading, the original turning head type condition is avoided, and the material utilization rate is improved from less than 80% to 100%.

The present application relates to a hub automatic polishing track generation method and device based on point cloud and template, first relying on hub geometric constraint to align real-time point cloud and template point cloud reference coordinate system and correct point cloud, then solving pose transformation matrix, adaptive mapping polishing track. Geometric constraint pre-locks matching optimization range, relieves single camera local point cloud and complete template cross-mismatch, normal offset defects, prevents grinding head overcut or burr residue. Pre-geometric correction offsets die casting deformation, millimeter-level positioning error, provides high-quality initial point cloud for pose solving, improves registration convergence stability, overcomes the problem of few features of hub smooth surface and easy failure of direct registration. The present application generates exclusive polishing track for each hub, replaces teaching robot fixed track blind punching, does not need artificial continuous debugging, improves batch workpiece polishing consistency, avoids artificial polishing dust noise, unstable quality and high labor cost.

A lathe fixture for machining special-shaped parts comprises a positioning part and a clamping part. One end of the positioning part is connected with a lathe four-jaw chuck, and the other end of the positioning part is matched with a part for positioning through a positioning end face and a positioning outer circle. The clamping part comprises a first semi-arc pressing plate, a second semi-arc pressing plate, two connecting screws and four fastening bolts, the first semi-arc pressing plate and the second semi-arc pressing plate are fixed to the special-shaped part through the two connecting screws, and then the special-shaped part is fixed to the clamp positioning part through the four fastening bolts. The problem that the special-shaped part is difficult to clamp in the machining process is solved, and rapid clamping, rapid alignment, high-quality and high-efficiency machining of the special-shaped part are achieved.

The utility model discloses an automatic wire winding chamfer frock, including base, stamping power component, tool and stop piece, the installation end fixed mounting of stamping power component is in the rear end of base, and the movable end of stamping power component is hinged with the top of tool, and the front end fixed mounting of stop piece is in base, stop piece is provided with first slot body and second slot body, and first slot body vertically penetrates the top and bottom of stop piece, and second slot body horizontally penetrates the front side of stop piece, and the rear end of first slot body and second slot body intercommunication, first slot body and tool sliding connection, and second slot body is used for placing work piece horizontally. Place work piece in the second slot body, then start stamping power component, and stamping power component drives tool to slide down in first slot body, makes tool downwardly press work piece in stop piece, thereby completes the chamfer processing procedure of work piece, solved the problem of traditional manual chamfer processing, and the quality is unstable.

The invention relates to the technical field of shifting fork manufacturing, in particular to a shifting fork progressive type double-sided flattening fine blanking forming method which comprises the following steps that a multi-station progressive die executes a first blanking action, and a guide hole and a flattening pre-cutting notch are formed in a metal material strip; executing a first-time flattening action to form a front-side flattening characteristic; the second-time flattening action is executed to form a back face flattening characteristic, and the working face of the upper flattening male die serves as a forming datum plane of the second-time flattening action; and the second blanking action is executed to form the shifting fork in a blanking mode. Therefore, on one hand, the shifting fork forming efficiency is greatly improved, the manufacturing cost is reduced, station migration does not need to be carried out on the metal material strip in the whole process, and in addition, the metal material strip always keeps good alignment precision relative to the multi-station progressive die after being subjected to the conversion step; and on the other hand, on the premise that the metal strip does not need to reserve the machining allowance, the shifting fork finished product has extremely high size precision, shape precision and position precision.

The present invention discloses a voice coil winding machine, comprising an eight-axis turntable die head mechanism docked with a voice coil feeding mechanism, the eight-axis turntable die head mechanism docked with a winding module and a conversion mechanism respectively, and a voice coil unloading mechanism, a vibrating mechanism, a pull-mouth wire management mechanism, a tinning mechanism, an embroidery thread mechanism, a glue dispensing mechanism, an unloading manipulator, and an unloading conveyor belt are arranged around the circumference of the sixteen-axis turntable mechanism. After the voice coil is in place, the wire holding clamp driving mechanism drives the wire holding clamp to hold the voice coil tightly, the pull-mouth wire management module drives the cylinder to adjust the pull-mouth fixing clamp horizontally into place, and then the pull-mouth fixing clamp driving cylinder drives the pull-mouth fixing clamp to clamp the lead wire, and the pull-mouth wire management module drives the cylinder to pull the lead wire backward to complete the wire management opening, with a high degree of automation, greatly improving work efficiency and product quality.

The present application relates to the technical fields of new fuel auxiliary equipment, in particular to a kind of new fuel storage container internal partition plate welding auxiliary device;Technical scheme: a kind of new fuel storage container internal partition plate welding auxiliary device, including electric push cylinder, base frame assembly, connecting plate assembly, traction assembly and support assembly, electric push cylinder is installed on base frame assembly, connecting plate assembly is connected with the push rod end of electric push cylinder, traction assembly includes steel wire rope main body and screw thread tightener;The support plate between the tank body and the partition plate is embedded in the present application, the accurate positioning of the partition plate is realized and the continuous support is provided during welding process, effectively inhibits welding deformation, simultaneously by electric push cylinder pulling support plate synchronous movement, realize micro straightening, significantly improve welding quality and size consistency.

The application discloses a torsional spring end cutting device, relates to the torsional spring production and processing technical field, and solves the problem that the existing cutting mode cannot achieve the problem of flat end cutting of the torsional spring. The device comprises a mounting plate, a fixing seat arranged on the mounting plate, the mounting plate being horizontally movable, at least one limiting unit, the limiting unit comprising two symmetrically arranged limiting blocks, a first positioning block arranged between the two limiting blocks, at least one positioning mechanism, at least one pressing mechanism, at least one cutting machine, and a feeding driving mechanism driving connected with the mounting plate and used for controlling the torsional spring on the limiting unit to approach or move away from the cutting machine. The device can accurately and quickly position the torsional spring in terms of the placing angle and the front and back positions, the end of the cut torsional spring is smooth and free of burrs, the customer demand is met, and the size consistency of each cut torsional spring is good due to the accurate positioning of the spring during cutting.

The utility model relates to the technical field of electric vehicles, in particular to a controller and an electric vehicle. The controller comprises a heat dissipation shell, an aluminum substrate and a power terminal. The heat dissipation shell is provided with a containing cavity and is a stretched aluminum part. The aluminum substrate is arranged in the accommodating cavity; the number of the power terminals is two, the two power terminals are distributed at intervals in the first direction, each power terminal comprises a base and a conductive part, the base is arranged on the aluminum substrate, one end of the conductive part is connected to the aluminum substrate through a first fastener, and the other end of the conductive part is arranged on the base. By adopting the combined structure of the stretching aluminum piece, the aluminum substrate and the power terminal, the cost can be effectively reduced.

The embodiment of the utility model relates to foundation trench excavation equipment. The foundation trench excavation equipment comprises an excavation equipment body, a mechanical arm assembly and a trench excavation structure. The excavating equipment body is used for being arranged on the ground to be grooved and rotationally connected with one end of the mechanical arm assembly, and the grooving structure is arranged at the other end of the mechanical arm assembly. The face, away from the mechanical arm assembly, of the grooving structure is of an open structure, and when the excavating equipment body drives the mechanical arm assembly to rotate and / or ascend and descend, the grooving structure can be driven to rotate to cut soil on the ground to be grooved, so that a foundation trench is formed in the ground to be grooved. Namely, the excavating equipment main body drives the mechanical arm assembly to perform corresponding actions, so that the grooving structure connected with the mechanical arm assembly is driven to perform rotary cutting, the foundation trench is formed in the ground to be grooved, automatic grooving operation can be achieved, time and labor are saved, the size consistency of the formed foundation trench is good, and the grooving efficiency is improved. And the construction effect can be improved.

The invention provides a detection device for a laser radar and the laser radar, and the detection device comprises a lens cone which is configured to accommodate a transmitting lens group and a receiving lens group, and the lens cone is made of plastic; the light emitter is configured to emit detection light, and the emission lens group is located on a light path of the detection light; the light receiver is configured to receive echo light after the detection light is reflected by a target object, and the receiving lens group is located on a light path of the echo light; and a driving circuit board, wherein the light emitter and the light receiver are both arranged on the driving circuit board. According to the detection device, on the premise that the heat dissipation requirement is met, the cost of the lens cone of the laser radar is reduced, batch production is easy, the product size consistency is better, and the weight is lighter.

The utility model relates to the field of automobile passive safety, in particular to an air guide device for a curtain type air bag, which comprises an air bag reinforcing piece, an air bag lining and an air guide piece, the air bag reinforcing piece, the air bag lining and the air guide piece are respectively provided with a positioning and sewing convex opening, and the positioning and sewing convex openings are of a symmetrical structure by taking a folding line as a center. The air bag reinforcing sheet, the air bag lining and the air guide sheet are tiled and stacked from top to bottom in a positioning and sewing convex opening alignment manner, and are folded along a folding line to form a folding structure after being tiled and stacked; in the folding structure, connectors of overlapped areas in the air guide sheet and the air bag lining are sewn and fixed through sewing threads in the folding direction to form a sealed channel with three openings; a positioning and sewing convex opening in the air bag lining is provided with a connecting hole for a generator support to pass through, and after the air bag lining is folded along a folding line, a horizontal coincident straight edge formed by the positioning and sewing convex opening is sewn and fixed through a single sewing line. The curtain type air bag has good air and pressure maintaining capacity, and the safety coefficient of a vehicle is improved.

The utility model relates to the field of building boards, in particular to a double-heat-preservation-layer building wall body of a non-dismantling formwork. A double-heat-preservation-layer building wall body of a non-dismantling formwork comprises a formwork layer, a heat preservation layer, a heat preservation layer and a heat preservation layer, the formwork layer is formed into a hollow foam forming piece, and a containing cavity is formed in the formwork layer; the structural layer is arranged in the containing cavity and abuts against the inner wall face of the periphery of the formwork layer; the heat preservation layers are arranged on the two sides of the formwork layer and form foam forming parts. The design of the heat preservation layer and the pouring formwork is adopted, concrete is poured into the formwork layer and then wrapped with the heat preservation layer, the inner heat preservation layer and the outer heat preservation layer can be formed, the heat preservation effect of a building wall is improved, building energy consumption can be reduced, the heat preservation efficiency in winter is improved, and the maintenance cost is saved. Meanwhile, the double-heat-preservation-layer building wall can complete construction of the outer wall heat preservation layer at a time, convenience and rapidness are achieved, the building efficiency is fully improved, and the problems that in the building process, the construction period is long, the storage yard is large, and cost is high due to formwork dismounting and mounting are effectively solved.

The present invention discloses a device for fixing a sand core of a dual-channel turbocharger flow channel, comprising a supporting body, an extrusion mechanism, a receiving mechanism and a locking piece; the extrusion mechanism and the receiving mechanism cooperate to fix the two flow channel sand states that are initially bonded, and the arrangement of the notches can generate a space to avoid the two flow channel sand cores, thereby avoiding the size of the sand core after core assembly being out of tolerance due to the interference of the clamps, and reducing the scrap rate; a plurality of baffles that can slide along the radial direction are mounted on the receiving plate, and can automatically unfold and wrap based on the size of the structure of the sand core core head against the receiving plate, and cooperate with the locking piece to lock the position of the baffle in the clamping state to avoid the side slip of the sand core core head, thereby improving the stability of the clamping; wherein the arrangement of the plurality of limit strips can staggeredly retract into or extend out of the blind hole under the action of the extrusion force, thereby forming a spatial structure wrapped in the structure of the sand core core head against the receiving plate, thereby further improving the stability and avoiding errors caused by side slip.

The utility model discloses cylindrical mirror drawing equipment, relates to a manufacturing technology of optical glass products, and in particular relates to drawing equipment for continuously producing high-precision cylindrical mirrors. Comprising a rod feeding unit (1), a heating unit (2), a diameter measuring unit (3), a traction unit (4), a cutting unit (5), a vertical tower (6), a gas control unit (7), an electrical control unit (8) and a master control operation station (9). A rod feeding unit (1), a heating unit (2), a diameter measuring unit (3), a traction unit (4) and a cutting unit (5) are sequentially arranged on the front face of a vertical tower (6) from top to bottom, a gas control unit (7) and an electrical control unit (8) are arranged on the side face of the vertical tower (6), and a master control operation station (9) is arranged beside the vertical tower (6). By optimizing process parameters of heating, stretching, cooling and the like, efficient and continuous production of the cylindrical mirror is realized, and the cylindrical mirror production device has the characteristics of high production efficiency, low cost and good size consistency.

The utility model discloses a tour guide chair punching template, and belongs to the technical field of auxiliary mounting and positioning equipment for vehicle interiors. The device comprises a first flat plate which is vertically arranged; a plurality of positioning holes for punching are formed in the first flat plate; a second flat plate flush with the first flat plate is arranged on one of the left end side and the right end side of the first flat plate. A positioning clamping plate is arranged at the lower part of the second flat plate; the positioning clamping plate is of an L-shaped plate structure; the two adjacent end faces of the positioning clamping plate are attached to the top face and the side face of the step respectively, and the positioning clamping plate can be clamped at the corner position of the step. According to the utility model, the problems of positioning deviation, low efficiency, damage to the appearance of a tour guide chair and certain potential safety hazards caused by the use of a traditional punching mode when punching is carried out on the step position in the carriage at present are effectively solved.

The present invention provides a double-row or multi-row "Z"-shaped terminal cutting mechanism for a connector, comprising an upper die and a lower die, wherein the upper die comprises an upper die top plate, an upper die plate, an upper cutter driving device and an upper cutter, wherein the upper die top plate is mounted on the upper die plate, the cutter driving device is mounted in the upper die plate and the upper die plate, the upper cutter is arranged on one side of the upper die plate, the lower die comprises a lower die plate, a lower cutter and a lower die bottom plate, the lower die plate is mounted on the lower die bottom plate, the lower cutter is mounted on the lower die plate, the upper cutter and the lower cutter are arranged opposite to each other up and down, and the cutter driving device can drive the upper cutter and the lower cutter to cooperate to cut off the double-row or multi-row "Z"-shaped terminals of the connector. The advantages of the present invention are: simple and convenient use, high cutting efficiency, and good size consistency of the double-row or multi-row terminals after cutting.

The utility model relates to a battery pack assembly, which belongs to the field of automobile batteries and comprises a lower box body, an upper cover assembly and a battery cell, a plurality of battery cells are respectively arranged in the lower box body to form a battery pack; the upper cover assembly comprises an upper cover, an FPC wire harness and a contact structure. A plurality of branch wire harnesses of the FPC wire harness are respectively welded on the contact structures; a quick connector, an uncovering detection sensor and a BMS (Battery Management System) are respectively arranged at one end in the lower box body; one part of the quick connector is connected with the BMS; the plurality of FPC wire harnesses are respectively connected with the other part of the quick connector through patch cords; the cover opening detection sensor transmits a cover opening signal or a cover closing signal to the BMS; the upper cover assembly is arranged on the lower box body, and the contact structure is pressed on the series aluminum row to form the whole battery pack assembly; and the BMS is connected with the battery pack according to the cover opening signal and disconnected with the battery pack according to the cover closing signal. According to the utility model, industrial automatic production can be adopted, the production efficiency is high, the cost is low, and the safety is high.

This invention relates to the field of battery technology, disclosing an electrode post, a battery cell, and a battery pack. The electrode post includes an electrode post base plate and an electrode post body. The electrode post body includes a first segment connected to the electrode post base plate and a second segment connected to the first segment. The sidewalls of both the first and second segments are designed as inclined walls for easy demolding. The angle between the sidewall of the first segment and the electrode post base plate is a first demolding angle, which is 90°–θ1, satisfying: 0.1°≤θ1≤2°. The angle between the sidewall of the second segment and the electrode post base plate is a second demolding angle, which is 90°–θ2, satisfying: 0.1°≤θ2≤2°. This invention optimizes the structural design of the electrode post body by providing demolding angles on the sidewalls of both the first and second segments, allowing the electrode post to be more smoothly ejected from the mold after pressing, thereby significantly improving production efficiency, enhancing product dimensional consistency, and improving the overall performance of the electrode post.

The present application relates to a kind of small dot spacing interactive module, including multiple small dot spacing LED display module, each small dot spacing LED display module includes display component, capacitor component, COT component, display component includes display piece and inductive controller, inductive controller is installed on display piece;Display piece includes LED lamp plate and multiple LED lamp beads arranged in matrix, multiple LED lamp beads are divided into multiple display regions, capacitor component includes multiple inductive capacitor plate and multiple electrical connectors, each inductive capacitor plate is equipped with curve type inductive coil, each curve type inductive coil corresponds inductive capacitor plate and is as a capacitive touch unit, COT component includes multiple insulating pieces and COT membrane plate, the insulating piece is located between the inductive capacitor plate and the LED lamp plate, each electrical connector is connected curve type inductive coil and connects inductive controller, COT membrane plate seals display component surface and the outermost surface of display component to assemble complete small dot spacing LED display module.

The application provides a pipe structure, which comprises a main body part, a side wall part of the main body part is provided with at least one through hole part, a center line of the through hole part does not intersect with a center line of the main body part, the through hole part comprises a through hole, and the through hole part comprises an extension part which is formed by processing the through hole of the side wall part by a hot melt drill; the extension part extends from the side wall part to both sides of the side wall part, so that the processing convenience and the processing efficiency of the through hole part can be relatively improved.

The invention relates to the technical field of coupler manufacturing processes, and discloses a steering coupler shaping device and process, the steering coupler shaping device comprises an upper punching seat and a lower punching seat, an upper punching rod facing the lower punching seat is arranged in the upper punching seat, a female die embedded into the lower punching seat is arranged in the lower punching seat, and a lower punching rod corresponding to the upper punching rod is arranged in the female die; and the upper punching rod and the lower punching rod are used for pressing and shaping the coupler in the operation process of the female die. The coupler can be pressed and shaped, the structure of the coupler is guaranteed, the designed upper punch rod and the female die are matched to press and shape the structure of the coupler, and the structure of the coupler is guaranteed; besides, the lower punch rod corresponding to the upper punch rod in position is designed, so that the coupler can be quickly demolded after being pressed and shaped, demolding is easy, production efficiency is greatly improved, burrs on the coupler can be removed, the problems of low efficiency and high cost caused by finish machining and the like are solved, and the structure of the coupler can be guaranteed.

The invention discloses a pipe end forming multi-step stress release method and system, particularly relates to the technical field of metal pipe non-cutting machining, and aims to solve the problems of unbalanced material internal stress release and unstable forming quality and consistency caused by extensive planning of a multi-step forming process in the prior art. Whether a preset forming path meets a stress relaxation condition or not is judged by obtaining a pipe material and geometric parameters, when the condition is met, residual stress field distribution characteristics of each step are obtained through simulation, the difference degree between the steps is calculated, and mode transfer characteristics of stress redistribution are identified according to evolution of the difference degree to evaluate the damage risk level. When the risk level is high, measuring an energy conversion efficiency parameter of the path in the verification stage, and adjusting process parameters of subsequent steps of the path in combination with the risk level and the efficiency parameter to generate and execute an optimized forming path; scientific evaluation and dynamic optimization of the forming process are achieved, orderly and sufficient release of stress is promoted, and the forming precision is improved.

A method for forming a folded edge of a component includes providing a first blank and a second blank. The method further includes applying an adhesive to the top surface of the first blank with an adhesive dispenser. The method further includes positioning a second blank over the first blank, where a lower surface of the second blank is positioned over a top surface of the first blank such that an adhesive is applied between the lower surface of the second blank and the top surface of the first blank. The method further includes folding the first edge of the first blank over the second blank such that a portion of the top surface of the first blank overlies the upper surface of the second blank. A dispensing end portion of the adhesive dispenser defines an opening that is wider in the width direction than in the height direction.