39results about How to "Positioning is simple and reliable" patented technology

The invention relates to a high-pressure water descaling system. A descaling device comprises a descaling room, an upper surface descaling mechanism, an inner hole descaling mechanism, an outer surface descaling mechanism, a descaling car and a water return channel, wherein one side of the descaling room is provided with a descaling room door, and the bottom of the descaling room is provided with a pair of parallel steel rails; the upper surface descaling mechanism is arranged on the top of the descaling room close to the descaling room; the inner hole descaling mechanism is arranged on the top of the descaling room away from the descaling room door; the outer surface descaling mechanism is arranged in the descaling room opposite to the descaling room door; each surface descaling mechanism respectively comprises descaling spray heads connected respectively through hydraulic transmission; the descaling car is arranged on the parallel steel rails at the bottom of the descaling room and moved left and right between the descaling room door and the outer surface descaling mechanism along the steel rails; a rotating disk is fixedly arranged on the descaling car; and the water return channel is arranged on the lower part of the descaling room and connected with a water circulation pipeline. The system can simultaneously descale an inner surface, an outer surface and an upper surface, has good descaling effect, high speed and better social and economic values and is suitable for generalization and application.

The present invention relates to printing machinery, and is especially one kind of PLC automatic steel barrel screen process printer. On the frame, there are roller locator for locating the steel barrel to be printed, screen plate over the roller locator and fixed to screen plate stand on slipper track, ink scraper over the screen plate and driven via a cylinder, and PLC controller for the driving mechanism of the printer. The steel barrel to be printed is set on the roller locator and supported by the roller locator and located by the locating blocks simply and reliably. The steel barrel during printing can rotate with the transverse shift of the screen plate via the roller to ensure homogeneous printing, homogeneous stress and clear printed pattern.

A new type of hot press consists of frame, cold setting unit, hot pressing-binding unit, working table, driving mechanism set under working table for reciprocating motion. It is featured as utilizing the reciprocating table to raise working hour efficiency and utilizing semiconductor refrigerating element to carry out quick cooling for saving energy.

The invention discloses a burst production device in which a brush body (8), which has openings for receiving and fastening bristles and which is part of the brush to be produced, has a brush body holder (9), wherein at least one brush body (8) is releasably insertable to form a form-fitting temporary unit which is transported into the device, through the device and out of the device. The brush body holder (9) is designed to have a mechanical stop (40) against the brush body (8) from moving forward or moving away from the brush body holder (9). Furthermore, corresponding brush body holders and a manufacturing method are described.

The invention relates to a pinion unit for engines, which is characterized in that a bottom plate is fixed on the engine body; a center shaft, a first idle gear shaft, a cam shaft, a second idle gear shaft, an output shaft, a driving shaft for a water pump and a driving shaft for an oil pump; a gearwheel and a pinion are coaxially arranged on the center shaft; the gearwheel is engaged with a crankshaft timing gear; a driving gear for the cam shaft is arranged on the cam shaft; a gear of the fuel injection pump is fixed on the output shaft; the gearwheel is engaged with a driving gear for the water pump; the driving gear for the water pump is arranged in a gear chamber and is arranged on the driving shaft for the water pump; the crankshaft timing gear is engaged with a driving gear for the oil pump; and the driving gear for the oil pump is arranged on the driving shaft for the oil pump. The pinion unit fully utilizes the space of the gear chamber, ensures that the axial size of the engine is utilized to the utmost extent, decreases the axial size of the whole engine, is more compact in arrangement, and simultaneously improves transmission reliability as well.

The invention belongs to the technical field of workpiece drilling, and particularly relates to a double-fixture drilling machine with a drill bit conveying mechanism. The double-fixture drilling machine with the drill bit conveying mechanism comprises an operating table, fixtures, the drill bit conveying mechanism and a drilling trolley, wherein the operating table comprises a left supporting assembly and a right supporting assembly; the structures of the left supporting assembly and the right supporting assembly are left-and right symmetrical; the right supporting assembly comprises a rightbaffle plate; a cross section of the right baffle plate is in a U shape; an opening of the right baffle plate is leftward; the bottom surface of the right baffle plate is horizontal; two support legsare fixedly arranged on two front and back bending parts of the right baffle plate; the middle back part of the top surface of the right baffle plate is in a horizontal shape; the middle front part ofthe top surface of the right baffle plate is provided with a slope surface high in back and lower in front from back to front; an included angle between the slope surface and the horizontal bottom surface is 30 degrees to 45 degrees; a sealing plate capable of sealing the top opening of the right baffle plate is detachably arranged on the top surface of the right baffle plate; a table top plate is fixedly arranged on the middle back parts of the top surfaces of the left supporting assembly and the right supporting assembly; and two assembling holes are formed in the table top plate.

The invention discloses a knitting needle for a tricot machine, which comprises a needle hook, a needle rod, a stitch, a needle end and a needle bed and is characterized in that: the needle rod has a straight or bent plate-like structure; the thickness of the needle rod is constant; the needle hook is arranged on the front end of the needle rod; the needle hook is thin and cylindrical, and the diameter of the needle hook is a little smaller than the thickness of the needle rod; the convex stitch is arranged on the middle part of the needle rod; the long needle end is arranged on the rear end of the needle rod; the planes on two sides of the stitch are the same plane; the needle end is arranged in a positioning groove of the needle bed and has two positioning faces; and the needle bed has two segments of holding grooves. Compared with the prior art, the scheme in the invention has the advantages that: the shortcomings of the knitting needle for the tricot machine are overcome and special positioning steel wires are not used during installation; meanwhile, the knitting needle can be held well by the two segments of the grooves arranged on the needle bed of the tricot machine vertically, so that simple and reliable positioning is realized, holding is stable, and the quality of fabrics can be improved.

The invention relates to a quick connecting mechanism used for a robot modular joint. The mechanism comprises a shell. The shell is matched with a flange. An internal conical surface is arranged on the shell in the circumferential direction. An external conical surface matched with the internal conical surface is arranged on the flange in the circumferential direction, and the taper of the external conical surface is the same as that of the internal conical surface. A plurality of fitting screws are arranged between the shell and the flange, are perpendicular to the generatrix direction of theinternal conical surface and provide pretightening force so that the internal conical surface and the external conical surface can be in tight fit. By adopting the matched conical surfaces and the screws for fastening, the problems of positioning and direct shear on the screws, arising from adopting of radial screws for connecting can be avoided, the problems of difficult mounting and low efficiency caused by connecting by means of axial screws can be solved, and the problem of a complex machining process caused by end tooth connecting can be avoided.

The invention discloses an auxiliary appliance for billiard shot aiming. The auxiliary appliance for billiard shot aiming comprises an object ball positioning part and a cue ball aiming and guiding part arranged on the object ball positioning part. The object ball positioning part comprises a base and two clamping arms arranged on one side of the base and used for clamping an object ball, wherein the cue ball aiming and guiding part is arranged on the base, the inner sides of the two clamping arms are provided with clamping edges for tangent clamping of the large horizontal circle of the object ball, the two clamping edges or the extension lines of the two clamping edges are intersected, and an included angle formed through intersection is 60 degrees. The cue ball aiming and guiding part is provided with a hypothetical ball model equal to the object ball in diameter, and the ball center of the hypothetical ball model is equal to the ball center of the object ball in height. The connecting line of the intersection point of the two clamping edges or the extension lines of the two clamping edges and the ball center of the hypothetical ball model is perpendicular to a horizontal plane. The auxiliary appliance for billiard shot aiming is simple and reliable in object ball positioning and accurate and convenient to aim and brings a great help to a player for aiming training.

The invention discloses a rotor cast aluminum mold with multiple runners. The rotor cast aluminum mold comprises an upper mold, a middle mold and a lower mold; a rotor iron core is arranged in a cavity formed among the upper mold, the middle mold and the lower mold; the inner circle of the rotor iron core is connected with a false shaft; the upper mold is provided with an upper template; the lower mold is provided with a lower template; the middle mold is provided with a casting runner; the casting runner includes a taper section and a cylinder section; the taper section is communicated with an external runner; the cylinder section is communicated with the rotor iron core; and casting branches are symmetrically arranged in the connecting place of the taper section and the cylinder section. The casting runner is formed in the middle mold, and the casting branches are arranged on two sides of the casting runner, so that cast molten aluminum can be uniformly distributed in the rotor iron core from each direction, the distribution uniformity of the molten aluminum in each place of the rotor iron core is guaranteed, and the cast aluminum quality of the rotor is effectively improved.

The invention relates to a drilling fixture for two vertical holes on a fabric-feeding presser foot of a sewing machine. The drilling fixture is characterized by comprising a fixture body, wherein the fixture boy is square; one side surface of the fixture body is transversely provided with a rectangular open slot; the rectangular open slot is connected with a pressing mechanism; the fixture body is provided with drill jigs. The drilling fixture has the beneficial effects that the workpiece is accurately and reliably located by virtue of the appearance; the drill jigs for processing different holes are arranged on different surfaces of the fixture body, and the holes of different surfaces are processed by virtue of overturning of the fixture; all parts are arranged on the fixture body, so that the structure is simple and compact; the workpiece processing quality is ensured; after new products are on the market, the newly-increased annual profit of an enterprise is more than 125 thousand.

The invention discloses a mounting structure for a special-shaped motor. The mounting structure comprises a motor mounting plate, a large panel and the special-shaped motor. The large panel is fixed. The motor mounting plate is fixed on the large panel through three screws which are nonlinear. A left lug and a right lug are arranged on the periphery of the special-shaped motor; each lug is provided with a motor screw inside; the special-shaped motor is fixed on the motor mounting plate through the lugs and the motor screws. The motor mounting plate is mounted on the fixed panel and fixed via three-point positioning; the special-shaped motor is mounted on the motor mounting plate through the screws and radially positioned; a small gear is abutted through rolled pins and axially positioned; the small gear and a motor output shaft are more coaxial. The mounting structure is simple and reliable to position and convenient to demount and mount.

The invention discloses a brake shoe vertical machining clamp. The brake shoe vertical machining clamp comprises a base, the base is in an arch shape, the top of the arch shape is provided with a flat rectangular clamping area, four centrosymmetric outer circle positioning blocks are fixedly arranged at the four corners of the clamping area, two supporting blocks are fixedly arranged on the inner sides of the outer circle positioning blocks, the two supporting blocks are mutually symmetrical, a shoe positioning space is formed between the supporting blocks and the outer circle positioning blocks located on the outer sides of the corresponding supporting blocks, a pressing mechanism is fixedly arranged in the center of the base to press the brake shoe, and auxiliary positioning blocks are symmetrically arranged at the positions, located on the outer sides of the supporting blocks, of the clamping area. The brake shoe vertical machining clamp is simple in structure and convenient to operate, paired positioning machining can be conducted on brake shoes, positioning is simple and reliable, machining is completed after one-time alignment clamping, and the working efficiency is improved.