40results about How to "Accurate spacing control" patented technology

Disclosed is a liquid compounding mechanism, comprising at least two liquid extracting mechanisms (1), wherein the liquid extracting mechanism (1) comprises: a liquid compounding needle (11) used for extracting a liquid; and a moving mechanism (12) connected to the liquid compounding needle (11) and used for controlling the liquid compounding needles (11) to move up and down. The liquid compounding mechanism further comprises a guide mechanism (2) which is connected to the moving mechanisms (12) and used for controlling a transverse spacing of the liquid compounding needles (11). The guide mechanism (2) comprises a driving means and a guide plate (24). The driving means is in driving connection with the guide plate (24) such that the spacing between the liquid compounding needles (11) can be accurately controlled.

A spiral coil machine comprises a rack, a main power system, a coil distance adjustment system and a coil auxiliary positioning system. The main power system comprises a motor which is connected with a vertical main axle by two-level speed reduction, the coil positioner is coaxially connected with the upper end of the main axle and extends outside the upper surface of the rack; the coil distance adjustment system comprises a bracket fixed on the rack, a driving gear which is connected with a speed regulation motor is arranged above the bracket and engaged with and drives a driven gear, the driven gear is coaxially connected with a first vertical screw, the first screw is connected with a frame by an axle sleeve, the frame is arranged on the outer side of the bracket and provided with pulleys. The coil auxiliary positioning system comprises a support frame which is fixed on one side of the frame corresponding with the coil positioner, a second horizontal screw is mounted on the support frame and cooperatively provided with a slider, and a top wheel is mounted on one end of the slider corresponding with the coil positioner by a vertical axle. During the pipeline heating process, the automatic degree is high, the size is accurate, one person can produce the coil at high efficiency, and labor and power are saved.

The present application provides a bucket tooth connection seat welding device, including: a workbench and a fixture assembly. There is a lifting plate on the top of the workbench. The fixture assembly includes an adjustment mechanism and a clamping component. The adjustment mechanism includes a support rod and an adjustment rod. The adjustment rod is moved in a direction perpendicular to the top surface of the support rod. There are multiple sets of connecting rod assemblies below the adjustment rod. Each set of connecting rod assemblies includes two connecting plates. The upper end of the rotating shaft is connected to the same rotating shaft, and the rotating shaft is moved along the length direction of the adjusting rod. There are multiple groups of clamping components along the length direction of the support bar. The clamping component includes a bottom plate, which slides on the support bar along the length direction of the support bar. A pressure plate is arranged above the bottom plate for pressing the connecting seat. The wall is provided with hinged rods, which are parallel to the rotating shaft, and the connecting plates of the connecting rod assembly are respectively connected in rotation with the hinged rods of the clamping components on the adjacent two sides through the lower ends. The welding process of the bucket tooth connecting seat can be simplified and the welding efficiency can be improved.

The utility model relates to a vertical platen type cowhide cutting machine, which belongs to the technical field of cowhide cutting equipment. It is characterized in that: it includes a cutting platform (7), a transverse cutting mechanism and a longitudinal cutting mechanism, a longitudinal pressing mechanism and a transverse pressing mechanism are arranged above the cutting platform (7), and the transverse pressing mechanism and the longitudinal pressing mechanism alternate with the cutting The platform (7) cooperates to compress the cowhide to be cut, the horizontal pressing mechanism cooperates with the horizontal cutting mechanism to cut the cowhide, and the longitudinal pressing mechanism cooperates with the longitudinal cutting mechanism to cut the cowhide, thereby cutting the cowhide into blocks. The longitudinal pressing mechanism and the horizontal pressing mechanism of the vertical platen cowhide cutting machine can respectively cooperate with the cutting platform to press the cowhide tightly, avoiding the movement of the cowhide during cutting, so that the cutting accuracy of the longitudinal cutting mechanism and the horizontal cutting mechanism is greatly improved. , to ensure the dimensional stability of the cut cowhide, thereby simplifying the subsequent processing technology and improving the quality of the product.

The invention discloses an automatic suspender. The suspender comprises a suspension arm and at least a suspension hook. The suspender is characterized in that at least one suspension hook is movably arranged on the suspension arm. The invention provides an automatic suspender. The suspender realizes automatic article lifting, overcomes the shortages of low efficiency, high production cost, large workload, high work strength, and high danger for a person in a handling zone, which are caused by human operation of a conventional suspender, improves work efficiency, and reduces production cost and work strength of workers.

The invention provides a flexible packing former for a concrete face rockfill dam face. The flexible packing former is characterized by comprising a machine body, wherein the machine body comprises forming belts for clamping and pressing flexible packing, fixing parts for fixing the two ends of each forming belt and connecting parts for connecting the fixing parts; slot surfaces for clamping and pressing the flexible packing are formed in the forming belts; the slot surfaces are matched with the outer profile of the cross section of the flexible packing to be embedded and filled or matched with the decomposed cross section of the flexible packing to be embedded and filled in shape; the number of the forming belts is no less than 2; the forming belts are made from materials which are easy to deform and good in tensile strength; such materials which are easy to deform and good in tensile strength are nonmetal materials, such as rubber, leather, plastic and the like, or metal materials, such as copper, aluminum, iron and the like; the connecting parts can be used for adjusting the spacing among the fixing parts; and the fixing parts are provided with fixtures capable of clamping the forming belts. According to the flexible packing former, the problems of low efficiency and low quality in embedding and filling joint materials in jointing and caulking construction of the concrete face rockfill dam face can be effectively solved.

The application discloses a thin film transistor, a manufacturing method thereof, a device, a chip and a display device, belonging to the technical field of semiconductors. The thin film transistor includes: a basic pad layer, a basic insulating layer, a source-drain layer and an active layer, the basic pad layer has a recess, the basic insulating layer has a first barrier wall and a second barrier wall with intervals, and the first barrier wall The orthographic projection area of ​​the interval area with the second retaining wall on the base cushion is located in the area where the depression is located, and the orthographic projection areas of the first retaining wall and the second retaining wall on the foundation cushion are both in the same area as the area where the depression is located. Overlapping; the source-drain layer includes: a source electrode located on the first barrier wall, and a drain electrode located on the second barrier wall. The present application solves the problem of the large size of the thin film transistor, and can reduce the size of the thin film transistor, and the present application is used in the manufacture of the thin film transistor.

The invention discloses a QLED device and a preparation method thereof, and the QLED device comprises a cathode, an anode, and an electron transmission layer and a quantum dot light-emitting layer which are both arranged between the cathode and the anode. The electron transmission layer is a II-IV group semiconductor nanorod array which is vertically arranged relative to the surface of the cathode. The material of the quantum dot light-emitting layer is quantum dots, and the quantum dots grow at the tops of the II-IV group semiconductor nanorods. Light generated by the quantum dot light-emitting layer can pass in the axial direction of the II-IV group semiconductor nanorods in a more concentrated and lower-loss manner, and light is emitted from the cathode of the device, so that the luminous efficiency and the brightness of the device are greatly improved. According to the invention, the distances between the quantum dots with different particle sizes can be indirectly and accurately controlled through the control of the diameter of the II-IV group semiconductor nanorods and the distance between the adjacent nanorods in the array, thereby achieving the performance optimization of the QLED device.

A rolled steel cool-deforming test machine, comprising a case, a hydraulic pressure system which is composed of a hydraulic pressure cylinder, an oil pump, an oil tank, a handle reversing valve. A work table is set at top of the case. A supporting plate is set on rear end of the work table. A regulating bracket is set on front end. The hydraulic pressure cylinder is embedded in middle of the supporting plate. A mandril is connected to a piston rod of the hydraulic pressure cylinder. A punch is connected to front end of the mandril. The regulating bracket is composed of a left plate, a right plate, a front plate, a rear plate, a front bottom plate and a rear bottom plate. A right sliding block and a left sliding block are set between the left and right plates. The left and right sliding blocks are spiro-connected to an upper right chain wheel and a lower right chain wheel via a screw. A right vertical column is connected to front end of the left sliding block; a right vertical column is connected to front end of the right sliding block; ends of the upper and lower screw rods extend from the right plate, connected to the upper right chain wheel and lower right chain wheel. A handle wheel is set outside of the right plate, connected to the driving chain wheel which is connected to the upper right and lower right chain wheels via chains. The product is convenient to operate, save and reliable with high test precision, which is applied to bending test detection of various rolled steels.

The invention discloses a liquid dispensing mechanism, which includes at least two liquid taking mechanisms. The liquid taking mechanism includes: a liquid dispensing needle for extracting liquid; a moving mechanism connected with the liquid dispensing needle for controlling the dispensing needle. The liquid needle moves up and down; the liquid distribution mechanism also includes: a guide mechanism, connected to the moving mechanism, for controlling the lateral spacing of the liquid distribution needle, the guide mechanism includes a driving device and a guide plate, and the driving device drives The guide plate is connected; the liquid dispensing mechanism provided by the present invention enables precise control of the distance between the liquid dispensing needles, high operating efficiency and fast response.