654results about How to "No misalignment" patented technology

The invention discloses an automatic assembly production line of buzzers, which comprises a feeding mechanism, a glue coating mechanism, a buzzer piece placing mechanism, a straight contact pin placing mechanism, a first thermoplastic pipe placing mechanism, an inclined contact pin placing mechanism, a second thermoplastic pipe placing mechanism, a thermoplastic pipe heat sealing mechanism, a contact pin welding mechanism, a dispensing mechanism, a curing mechanism and a detecting and sorting mechanism, which are sequentially arranged on a work table; the glue coating mechanism comprises an automatic shell locating mechanism located behind a glue applicator, and the automatic shell locating mechanism comprises a motor, a rotating jig, an optical fiber sensor, a motor base, a supporting plate and a sensor bracket; the optical fiber sensor is a reflective optical fiber sensor and is arranged to be aligned to the shell; and the optical fiber sensor is installed on the upper part of the sensor bracket, and the lower part of the optical fiber sensor is fixed to the side plate of the supporting plate. The automatic assembly production line disclosed by the invention has the advantages of smart design and simple structure, realizes high level automation, replaces the manual operation, reduces the cost of manpower and physical resources and improves the production efficiency of the assembly line.

The invention relates to a method for connecting and outputting video files. The method comprises the following steps of: 1, performing timestamp smoothing processing on at least two decoded video files; 2, aligning the at least two video files after timestamp smoothing processing; and 3, encoding, synthesizing and outputting the at least two aligned video files. The step S1 comprises the following steps of: 11, repeating or losing video frames of the decoded video files to make the video frames output according to a preset frame rate; and 12, complementing silence or deleting corresponding audio data of audio frames of the decoded video files to make the audio frame aligned according to a theoretical timestamp. The invention also relates to a video file connecting and outputting device. The method and the device for connecting and outputting the video files can connect a plurality of input video files into one video file and output the video file, and can guarantee the play speed and the synchronization degree of the output video and the output audio.

The invention discloses a sand-line iron mould casting process for grey cast iron flywheel housings of diesel engines. In the invention, upper and lower sand-line iron mould processes are used, so that produced grey cast iron flywheel housing blanks have favorable geometric size precision which can be up to CT8 grade, favorable surface roughness which can be up to 12.5 microns and favorable mechanical properties, the blank processing has small allowance which can be controlled in 3mm, small flashing distortion which can be controlled in 0.5mm and small cleaning workload, so that the labor environment is improved, the environmental protection is improved, the yield is high and can be up to 95%, and the national policies of energy conservation, environmental protection and sustainable development are met.

The invention discloses a laser double-faced synchronous machining system and a machining method thereof. The system comprises a laser, a middle displacement platform and a machined work piece. The two sides of the machined work piece are two laser beams which are respectively acted on the two side faces of the machined work piece. The laser beams at the two sides of the machined work piece are onthe same straight line or intersectant in the work piece. The two laser beams can be respectively generated by two lasers or generated by one laser with a beam splitter. The method comprises the steps: inputting cut graph into a computer, and controlling the middle displacement platform to move according to a track by software, to complete the cutting machining. By laser double-faced synchronousmachining, the machining depth at one time is more than 1 times of that of the single-faced machining. Compared with traditional double-faced machining, the invention does not need adjust a clamping tool in an overturning way, can complete the machining by clamping at one time, has balanced heat action applied to the two faces of the work piece, has low remnant stress and heat deformation after cutting, improves the cutting quality, and realizes the double-faced synchronous cutting to various superhard materials such as PDC, PCB and composite sheet thereof, ceramics, etc.

The invention relates to an electronic part installing method and an installing device, which can conduct positioning on cover parts and install the cover parts behind a substrate and prevent dislocation before fixing through pressing and reduce tool variety. The electronic part installing device installs upper and lower moving components having pressing parts at a part transferring device and can drive the upper and lower moving components up and down. The pressing part is pressed and positioned at a cover part of regulated position. The electronic part installing method comprises a substrate moving and positioning process which is to move the substrate by a substrate moving device and to conduct positioning on the substrate; a cover part positioning and carrying process which is to select the cover part by means of a part transferring device through absorption and to conduct positioning and carrying on the cover parts to a regulated position of the positioned substrate in the substrate moving and positioning process; a pressing and assembling process which is to immediately drive the upper and lower moving components and press the cover parts by the pressing part after the cover parts are positioned and disposed at the regulated position by means of the part transferring device, and thereby an engaging mechanism of the cover part can be engaged with an engaged mechanism disposed at the substrate.

The invention relates to the field of medical instruments, in particular to an X-ray protection device with an integrated structure for an angiography machine. The device comprises a protection screen unit, a protection curtain unit and a bedside sliding rail unit, wherein the protection screen unit is arranged on the protection curtain unit, and the protection curtain unit is fixed on the bedside sliding rail unit so as to enable the protection curtain unit and the protection screen unit to synchronously and horizontally move along a bedside. The protection device can synchronously move along with a bed, and in a moving process, the protection device is always in the best protecting state and close to a patient, so that the problem that the radiation, especially the secondary stray radiation caused by the rays reflected by the patient, can not be effectively shielded due to the movement of the bed surface of a conduit bed is effectively solved, and meanwhile, the problems of prolonged surgery time, increased surgery risk and the like that are caused by adjusting the protection screen unit during surgery in the prior art are effectively avoided.

The invention belongs to the field of sheet metal and hot processing and in particular relates to a global shaping mould and method of a titanium alloy air inlet part. The mould comprises an upper mould and a lower mould, wherein two lifting screws are arranged on each of the upper and lower moulds. The method comprises the following steps: fixing the mould in a hot forming press, heating, putting a round blank after the rounding process into a lower mould cavity, and pre-shaping; performing seal welding on the pre-shaped blank, welding an air inlet pipeline on the end surface of the pre-shaped blank, and opening the mould to take out a formed part as a qualified part meeting the size requirement. The method has the advantages that the process position of the part during global shaping is reasonably determined, so that the mould parting surface is selected at an irregular arc surface tangent line and is an irregular curved surface, the mould cavity depth is reduced, the blank can be stably arranged and formed, and the part can be conveniently taken out after the mould is opened.

The invention discloses a cutting machine. The cutting machine comprises a frame and a feeding device which is arranged on the frame, wherein a feed inlet, a cutting station and a product collecting station are successively arranged on the frame along the feeding direction of the feeding device; a portal frame is arranged above the cutting station of the frame, the portal frame hoists at least one tool apron for mounting a tool, a mobile device which drives the tool apron to move in a three-dimensional space is arranged between the portal frame and the tool apron, and a traction material pressing device and a fixed pressing device are successively arranged along the feeding direction between the feed inlet and the cutting station. Cloth and a conveyor belt are clamped together and moved through the traction pressing device, so that the cloth in the transfer process is not staggered, and meanwhile, the cloth is tightly pressed to the conveyor belt through the fixed pressing device, so that the cloth cutting consistency and precision are guaranteed, and the problem that the cloth which is cut is easy to be staggered is solved.

The invention discloses a method and a device for the alignment and assembly of a glass micro nanofluidic chip and belongs to the field of microelement assembly. In the method for the alignment and assembly of the glass micro nanofluidic chip, a microscope is adopted to observe the alignment condition of the glass micro nanofluidic chip, and a method of a fixed substrate and a movable cover plate is adopted to realize the micro nanochannel alignment between the cover plate and the substrate. The device observes the alignment condition of the glass micro nanofluidic chip by the inverted high-power microscope and drives a vacuum sucker absorbing the cover plate to move by a three-dimensional micro motion table, thereby realizing the three-dimensional micro motion of the cover plate. The device consists of the three-dimensional micro motion table, the vacuum absorption device, the inverted microscope and a micro hot plate. The method and the device can reduce the manufacturing period of the chip, reduce the manufacturing cost and difficulty of the chip and meet the increasing complex inter-channel alignment requirements.

The invention relates to a method for intermittently coating a battery pole piece. The method comprises the following steps of: firstly, performing single-sided intermittent coating by using slurry according to a normal coating operation process, and drying, and rolling to form a single-sided pole piece; secondly, placing the single-sided pole piece on the head of a coating machine to pass through an empty tape for one time; and finally, performing intermittent coating on the second surface of the single-sided pole piece after passing through the empty tape, and drying to obtain a product. By the method, the coating uniformity is effectively controlled; the difference between single-sided thickness and double-sided thickness is reduced; and the misplacement of the pole piece and U-shaped fragments are improved certainly.

The invention relates to a pipe laying construction method and system inside a sleeve pipe based on a wheel-rail type pipe hoop. The method comprises the following steps that the sleeve pipe is constructed; after constructing of the sleeve pipe is completed, a concrete cushion layer is constructed inside the sleeve pipe; after constructing of the concrete cushion layer is completed, sliding railsare symmetrically arranged on set positions of the two sides of the central axis of the concrete cushion layer; the two ends of a steel pipe are correspondingly and fixedly provided with pre-machinedpipe hoops with pulleys; and the steel pipe is lifted to an inlet of one end of the sleeve pipe so as to be laid, the pulleys of the pipe hoops are connected to the sliding rails on the concrete cushion layer in a sliding mode, the sliding rails are used for providing a fixed advancing route for the pipe hoops, and therefore the steel pipe penetrates into the sleeve pipe. According to the method,aiming at the problems that the advancing track of the pulleys of a traditional steel pulley bracket method is difficult to be unified, and the matching degree and the stability of the steel pipe on the bracket are poor, the pipe laying construction method inside the sleeve pipe based on the wheel-rail type pipe hoop is provided, the sliding rails are utilized for providing the fixed advancing route for the pulleys, and it is ensured that the advancing tracks of the pulleys for conveying all the steel pipes are kept consistent, the steel pipes are free of dislocation, and the directions of thesteel pipes are free of deviation.

The invention discloses a method and a device for manufacturing a silicon rubber fire-cupping tool. The device comprises a nozzle, an internal mold core, a separable slide and a blowing and demolding device, wherein the slide comprises at least two separable slide blocks; a mold cavity for forming the silicon rubber fire-cupping tool is formed between the slide and the internal mold core; one end of the nozzle is connected with a channel for feeding the liquid silicon rubber raw material, while the other end is communicated with the mold cavity; and the blowing and demolding device is communicated with the mold cavity through a blowing hole opening which is arranged at the junction of the internal mold core and the mold cavity. The method takes the liquid silicon rubber as a raw material, and adopts the injected silicon rubber vulcanization molding technology to manufacture the silicon rubber fire-cupping tool with high elasticity, high transparency and complicated shape. The working procedures are simple and automated. The production efficiency is high, the demolding is simple and quick, and the device is not required to be dismantled or cleaned during the demolding process.

The invention discloses a 3D printer and a horizontal movement method of the 3D printer. The 3D printer comprises a rack, a horizontal movement mechanism installed on the rack, and a printer head installed on the horizontal movement mechanism. The 3D printer is characterized in that the horizontal movement mechanism comprises a Y-axis first sliding rod, a Y-axis second sliding rod, Y-axis sliding bases, an X-axis sliding rod arranged between the two Y-axis sliding bases, an X-axis sliding base arranged on the X-axis sliding rod and a synchronous belt transmission mechanism, wherein the Y-axis first sliding rod and the Y-axis second sliding rod are arranged in parallel, and each Y-axis sliding rod is provided with the corresponding Y-axis sliding base; the printer head is arranged on the X-axis sliding base; the synchronous belt transmission mechanism comprises four guiding wheels, driving wheels, driven wheels, a motor and a horizontal synchronous belt; one end portion of the horizontal synchronous belt is fixedly connected to one side of the X-axis sliding base; and the other end of the horizontal synchronous belt is sequentially connected to the second guiding wheel, the Y-axis second driving wheel, the Y-axis second driven wheel, the fourth guiding wheel, the third guiding wheel, the Y-axis first driven wheel, the Y-axis first driving wheel and the first guiding wheel in a wound manner and then is fixedly connected to the other side of the X-axis sliding base.

The invention provides a making method of a large-caliber film diffraction element with high diffraction efficiency to solve technical problems existing in a present preparing process of large-caliber film diffraction elements. The method includes the first step of making of a multi-step relief structure quartz substrate, the second step of polymer solution coating, the third step of polymer solution curing and film forming, the fourth step of film and substrate separating, and the fifth step of film splicing. The method has the advantages of being low in cost, high in repeatability, simple and efficient. The diffraction efficiency of the element made with the method is not lower than 7%.

The invention discloses a display panel and a manufacturing method thereof, as well as a curved-surface display panel and a curved-surface display device, which are used for avoiding phenomena including light leak, colour mixture and aperture ratio reduction caused in a curving process of the display panel. The display panel comprises a first substrate, a second substrate, a pixel structure, an electrochromic material layer, first transparent electrodes and second transparent electrodes, wherein the pixel structure is distributed to form an array, and is arranged on one side, away from the second substrate, of the first substrate; the electrochromic material layer is arranged between the first substrate and the second substrate; the first transparent electrodes are arranged between the electrochromic material layer and the pixel structure, and have the same shapes as opening areas of the pixel structure; the second transparent electrodes are arranged between the electrochromic material layer and the second substrate, and at least part of orthographic projections of the second transparent electrodes on the first substrate or the second substrate are overlapped with orthographic projections of the first transparent electrodes on the first substrate or the second substrate.

The invention discloses a horn basin frame for improving voice coil concentricity and a manufacture method for the horn. The horn basin frame comprises an inner ring, an outer ring and a skeleton which is connected between the inner ring and the outer ring in an overlapping mode. A through hole is formed in the center of the inner ring. A circular locating ring is arranged inside the through hole. The locating ring and the inner ring are arranged in a concentric mode. An interval is kept between the locating ring and the wall face of the inner ring. The locating ring is connected to the inner ring through a connecting part. The manufacture method for the horn comprises the steps of selecting and using the basin frame, when the horn is assembled, pasting a voice coil and drum paper, locating the voice coil, removing the locating ring in a cutting mode, and installing a magnetic assembly. After a combined body of the drum paper and the voice coil is firmly pasted with the basin frame, the locating ring connected with the basin frame is removed in the cutting mode. According to the locating ring, location of the voice coil is rapidly and accurately achieved, the concentricity among various elements of a product is greatly improved, and therefore acoustic and yield of the product are improved.

The invention relates to a valve, in particular to an integrated high-temperature high-pressure metal seal ball valve. The invention adopts the following scheme that: the integrated high-temperature high-pressure metal seal ball valve comprises a valve rod, a valve body, a valve seat and a valve core ball. The valve is characterized in that the valve seat and the valve body are integrally arranged, and a transversal ripple structure is formed at the integral joint of the valve seat and the valve body. By adopting the scheme, the invention overcomes the defects of the prior art and provides a novel integrated high-temperature high-pressure metal seal ball valve with reasonable structure, flexible opening and closing, high efficiency and good seal effect.