56results about How to "Shorter clamping time" patented technology

The invention discloses a friction wedge type automatic clamp for cylindrical grinding and an application method thereof. The friction wedge type automatic clamp for cylindrical grinding comprises a connecting flange, a left end cover, a head rack tip, a positioning flange, an intermediate sleeve, a hexagonal nut, a spline inner sleeve, a supporting ring, a wedge ring, a shifting ring, wedges, a supporting ring positioning sleeve, a needle bearing and a right end cover, wherein the connecting flange is mounted onto a gear of a head rack through a screw; the connecting flange, the supporting ring and the shifting ring are sequentially fixed through the screws; the shifting ring is connected with three wedges through three uniformly-distributed shifting pins; the three wedges are correspondingly embedded into three bevel grooves of the wedge ring; the positioning flange is fixed to a machine body of the head rack and is fixedly connected with the intermediate sleeve; the spline inner sleeve is connected with the wedge ring; a pre-tensioned inner conical spring and a pre-tensioned outer conical spring are mounted between the intermediate sleeve and the spline inner sleeve. According to the friction wedge type automatic clamp for the cylindrical grinding, an automatic wedge clamping manner is used for replacing an existing general manual chuck and a hydraulic driving chuck, so that the structure is simplified, and meanwhile, the automatic clamping function is achieved; in addition, the grinding precision is ensured.

The invention provides a manufacture method of an automobile air duct. The manufacture method comprises the following steps: opening an upper mould and a lower mould of a mould, and heating and cleaning the moulds; coating and polishing; measuring a temperature; starting a vacuum pump for sucking gas on the inner surface of the lower mould, laying leather on the inner surface of the lower mould; sealing the space between the surrounding of the leather and the lower mould to form a vacuum state by a packing tape; laying a glass fiber felt which is as large as the leather on the inner surface of the upper mould and fixing; casting a rigid polyurethane foamed material on the leather in the middle of the lower mould, and casting two ends of the lower mould, and then closing the moulds; and opening the upper mould after 15-21 min, closing the vacuum pump, unsealing the packing tape and then taking the foamed air duct out from the lower mould. The manufacture method provided by the invention is simple in manufacture process, less in procedures, and high in production efficiency; the whole production of each product is 30+/-3 min, and is reduced by about 70 percent in comparison with the conventional production time, the weight is reduced by 62.5 percent, and the production cost is lowered.

The invention relates to an eccentric shaft machining clamp which is mainly composed of a base plate, a shaft sleeve positioning device fixed on the base plate and a pressing plate. The eccentric shaft machining clamp is characterized by further comprising a pneumatic device and a guide rod fixed on the base plate. The pressing plate is connected with a moving part of the pneumatic device and moves up and down along the guide rod. When the eccentric shaft machining clamp is operated, a workpiece is placed in the shaft sleeve positioning device on the base plate and axial positioning of the workpiece is achieved. A pneumatic device button is pressed and a pressing head presses till a workpiece rod body portion along the guide rod through the action of the moving part of the pneumatic device. Circumferential pressing and positioning of the workpiece are achieved, and the whole pressing process is easy to operate, short in time, efficient, good in universality as workpieces of the same series can be positioned and clamped through the clamp and capable of greatly meeting the production requirement.

A black level correcting device includes: an A/D converting section converting a result of subtracting a feedback signal from an input pixel signal into a pixel value to be output; and a feedback controlling section generating the feedback signal and having a holding section, a feedback gain adjusting section, etc. The holding section clamps a maintaining level to the level of the feedback signal while pixel signals of OB pixels are output, and maintains and outputs the maintaining level while pixel signals of valid pixels are output. The feedback gain adjusting section multiplies the feedback signal by clamp accelerating gain in synchronization with starting readout of the pixel signals from the OB pixels. Accordingly, clamp time of the holding section is shortened, enabling stabilization of the maintaining level at a convergence level before starting readout of the pixel signals from the valid pixels. Consequently, a sag can be reduced.

The invention provides a ligation clip continuous shooting clip applier and a using method thereof. The ligation clip continuous shooting clip applier comprises a gun body assembly used for holding and shooting and composed of a left shell, a right shell, a clip feeding assembly, a shooting assembly and a clip bin loading and unloading button, a gun barrel assembly is movably installed at one end of the gun body assembly, an upper connecting pipe and a lower connecting pipe are connected by buckles, an annular cavity structure formed by an upper shooting connecting ring and a lower shooting connecting ring is movably arranged on the outer side of the upper connecting pipe and the outer side of the lower connecting pipe in a sleeving mode and axially moves outside the upper connecting pipe and the lower connecting pipe, and barbs are arranged at the front end of a pushing clamping plate and the front end of a clamping storage groove; and the ligation clip continuous shooting clip applier further comprises a clip bin assembly used for loading and unloading the ligation clip, the clip bin assembly can be replaced, the ligation clip can be quickly supplemented after being used up in the operation process, the clip applying time is shortened, meanwhile, the ligation clip is basically in a natural state in the clip bin assembly, the failure rate of the ligation clip is greatly reduced, and the gun body assembly and the gun barrel assembly can be repeatedly used in the same operation, so that the economic burden of a patient is reduced.

The invention relates to a bench vice. The bench vice comprises a rotating disc, a vice jaw mounting base, a first vice jaw, a sliding groove, a guide rail, a second vice jaw, a fixed plate and a pneumatic cylinder, wherein the vice jaw mounting base is mounted on the rotating disc; the first vice jaw is mounted on the vice jaw mounting base; the sliding groove is formed in the cavity of the vice jaw mounting base; the guide rail is arranged on the sliding groove; the second vice jaw is mounted on the guide rail; the second vice jaw can slide along the guide rail along the sliding grieve; the fixed plate is fixedly mounted on the rotating disc; the pneumatic cylinder is mounted on the fixed plate. The bench vice can reduce the labor force of workers, shorten the time for clamping work pieces, and also guarantee the surface quality of the work pieces.

The invention discloses a die assembly mechanism for an injection molding machine. The mechanism comprises a first fixing plate, a second fixing plate, an oil cylinder assembly, a drag link and a carrying plate used for carrying the applied force of the oil cylinder assembly, wherein the oil cylinder assembly is used for driving the first fixing plate and the second fixing plate to move, so that the first fixing plate and the second fixing plate move relatively or oppositely to realize die assembly and die disassembly; the oil cylinder assembly comprises a driving oil cylinder and a driven oil cylinder having the same moving track, and the driving oil cylinder is used for driving the die assembly mechanism to realize die assembly and die disassembly movement; during die disassembly, the driven oil cylinder is moved passively; during die assembly, the main journey of the driven oil cylinder makes passive movement, the driven oil cylinder actively makes effort to realize die assembly with larger pressure clamping force after die assembly is about to complete or is completed. According to the die assembly mechanism, the advantages of quick movement of small-diameter driving oil cylinder and large pressure of driven oil cylinder can be sufficiently achieved due to the oil cylinder assembly formed by the driving oil cylinder and the driven oil cylinder, and the time for assembling and disassembling die can be shortened, on the premise that high-pressure die assembling and die locking is sufficiently guaranteed.

The invention relates a kind of auto compensation fasten device of the glass valve. It is consisted of an inside auto compensation fasten structure, a power structure and a draw link. The inside auto compensation fasten structure is consisted of the offset fasten springs at the two sides of the pipe direct-axis; one end of the fasten spring contacts with the side wall of movable valve base drawplate and the other end of it contacts with the inside wall of the valve body; the power structure is installed on the outer side of valve body; one end of the brace connects with the power output part of power structure and the other end of it goes through hole on the movable valve base drawplate; at the head of brace sets up a spacing step and the distance between the spacing step and the movable valve base drawplate is 5-15mm when the valve is opening. The favorable effectiveness of the invention is that the mount of fasten spring's add-and-subtract accords to the requirement of seal and isn't limited by the amount of brace and it can increase the mount of fasten spring singly at the state of do not increase the mount of brace in order to enhance the seal performance; and can compensate the bow distortion and gap distortion produced after the valve bearing.

The invention discloses a paint spraying device for automobile maintenance. The paint spraying device comprises a workbench; a rotating shaft table is installed at the upper end of the workbench and is connected with the workbench through a bearing; and a first flow guide plate is installed on the outer side of the upper end of the rotating shaft table and is fixedly connected with the rotating shaft table. According to the paint spraying device for automobile maintenance, paint can be guided to flow into the rotating shaft table through installation of a second flow guide plate, the practicability of the device is improved, the device can recover the paint more conveniently, and paint waste is avoided; and a sealing spring can be installed to jack a second recovering pipeline downwards, the second recovering pipeline makes close contact with a paint recovering box, the situations that the paint volatilizes unpleasant smell pollutes the environment are avoided, the practicability of the device is improved, workers can conveniently and rapidly mount and dismount the paint recovering box, the practicability of the device is improved, the use difficulty of the device is reduced, and the device is more user-friendly.

The invention discloses a fire-fighting robot for closing a valve in case of fire. The fire-fighting robot for closing the valve in case of fire comprises an end effector, a wrist unit, an upper arm unit, an upper arm drive unit, a lower arm unit, a waist unit, a base, and high-temperature-resistant protection clothing, wherein the end effector is used for opening and closing the valve through clamping a handle of the valve and rotating around the center of the valve; the wrist unit is connected with the upper arm unit through a spline and a bolt; and the upper arm unit plays a role in transmitting the movement of the end effector and the wrist unit. According to the fire-fighting robot for closing the valve in case of fire provided by the invention, all components adopt mechanical drivingand have excellent fire-proof and explosion-proof performances; driving motors at the working part are placed behind the upper arm drive unit located under the indoor temperature state, so that the whole machine has a reliable performance; and when the fire happened, the robot can directly fulfil the task of closing the valve at short range, and people can operate at the safety position, so thatthe problem that the inflammable and explosive pipeline valve cannot be closed when the fire happened can be effectively solved.

The present application discloses a four-directional drilling machine, comprising a main frame, a main machine platform, flange-type hydraulic cylinders, linear bearings, hydraulic piston rods, guide rods, nuts A, an upper pressure plate, drill bushings A, nuts B, monoblock drilling machines A, an upper supporting plate, positioning stop blocks, adjustable base assemblies, a left supporting plate, a drill bushing B, a right supporting plate and the like.

The invention provides a computer hardware maintenance and detection device, wherein a fixed base is fixedly mounted on the upper surface of the worktable; a storage battery is mounted in the worktable; an air pump is arranged on the left side of the storage battery in the workbench; an air storage tank is arranged above the storage battery and the air pump in the workbench; first mounting slidinggrooves are formed in the left side and the right side of the upper surface of the workbench correspondingly. And second mounting sliding grooves are formed in the front portion and the rear portionof the upper surface of the fixing base correspondingly, second connecting sliding blocks are slidably connected to the interiors of the left side and the right side of the fixing base correspondingly, first connecting sliding blocks are slidably connected to the interiors of the first mounting sliding grooves, and first sliding resistors are embedded into the lower ends of the first mounting sliding grooves. According to the computer hardware cleaning device, the cleaning speed of computer hardware can be increased, directional flowing airflow is formed in the cleaning cylinder cover throughthe connecting air pipe and the spray head, dust on the surface of the computer hardware is stripped, the cleaning efficiency is improved, the two sides of the computer hardware are fixed while cleaning is conducted, and the clamping time is saved while labor force is saved.

The invention discloses a single cup injection mold and relates to the injection mold and aims to provide the single cup injection mold. The single cup injection mold has the advantages that a plurality of reaction cups are produced at a time in an injection molding manner, and production efficiency is improved. According to the technical scheme, the single cup injection mold is characterized in that a front mold core is embedded into a plate A, a second push plate corresponding to the front mold core is embedded into an unloading plate, and a rear mold core corresponding to the front mold core is embedded into a plate B; the positions, on the two sides of the front mold core, of the unloading plate are in slippage connection with row orientation blocks correspondingly, and the positions, in contact with the front mold core, of the row orientation blocks stretch into the front mold core and form cavities of a plurality of single cups with the front mold core; the plate A is internally in slippage connection with guide rods inserted into the row orientation blocks in an inclined manner, the sides, facing the second push plate, of the row orientation blocks are provided with grooves, and the grooves are internally provided with compression springs; and the rear mold core is provided with inserts stretching into all the cavities, an upper fixing plate and a water opening plate are internally provided with injection molding systems, and when the plate A is separated from the water opening plate, the plate B is provided with a drive piece enabling the plate A to be separated from the unloading plate and enabling the upper fixing plate to be separated from the water opening plate.