32results about How to "Center positioning is accurate" patented technology

The invention relates to a camera modeling and calibration system and method using a new set of variables to compensate for imperfections in line of sight axis squareness with camera plane and which increases accuracy in measuring distortion introduced by image curvature caused by geometric and chromatic lens distortion and wherein the camera image plane is represented from a full 3D perspective projection.

A bicycle handlebar / stem / steering tube assembly has a handle bar diameter and a steering tube diameter there-within. One or both of the steering tube and the handlebar includes one of a depression, a diameter-reduction, and a through-hole configured to mate rigidly against the other of the steering tube and the handlebar and be affixed thereto by the stem at a handlebar / steering tube interface such that a stem offset is created of a dimension that is less than either the handlebar diameter and the steering tube diameter at the handlebar / steering tube interface.

A label holder for displaying information labels at the front of merchandise display hooks, and method for making the label holder. The label holder is of inexpensive continuously extruded construction, which is inexpensively processed after extrusion to eliminate the typical shortcomings of conventional extruded label holders. The extruded body form is cut to usable length and subjected to a plurality of die cutting operations on the back or mounting portion of the label holder, to form positioning and retention features. The label holder is thus provided with many if not most of the beneficial features of specially molded label holders, without incurring the greater expense involved in the molding process. The label holder is designed to accommodate mounting on label holders of several wire sizes commonly found in use in merchandise displays.

The invention discloses an edge grinding device for an outer wall of round glass. The edge grinding device comprises a bottom plate, wherein a base is fixed on the bottom plate, a stepped hole and a rectangular hole are formed in the base, a dome table is arranged above the base, the dome table is hinged in the stepped hole, an inner gear ring is fixed on the dome table, a pinion is meshed with the inner gear ring, the pinion is fixed on a first motor, a pressing block capable of ascending and descending is arranged above the dome table, a first V-shaped block and a second V-shaped block whichare symmetrically arranged are arranged on the outer side of the dome table, the first V-shaped block can move left and right, the second V-shaped block can move up and down; a grinding wheel is arranged on the front side of the dome table, the grinding wheel is fixed on a second motor, the second motor is fixed on the sliding block, the sliding block is inserted into a guide rod, and the slidingblock can move back and forth through a screw rod. According to the edge grinding device, the round glass can be accurately and centrally positioned through the first V-shaped block and the second V-shaped block; and the grinding wheel is gradually close to the outer wall of the round glass, so that the edge grinding efficiency and the edge grinding quality can be effectively improved;

An adjustment device and method to guide a metal product along a determinate nominal rolling axis. The device comprises a central body disposed astride the rolling axis, two guide units mounted movable on the central body, opposite each other with respect to the rolling axis and each provided with at least a guide roller for the metal product, and an adjustment mechanism mounted on the central body and operatively connected to both the guide units, in order to actuate the selective movement thereof with respect to the central body at least in an approach toward the rolling axis. The adjustment mechanism comprises a system of pantograph levers having two levers pivoted to each other and to the central body in correspondence to the rolling axis by means of a pin, and first constraint means disposed on each lever on opposite sides to the pin, so as to connect each lever to both the guide units.

The invention discloses an automatic centering mechanism for the rotor and the stator of a motor. The automatic centering mechanism comprises a frame equipped with a support block for supporting and positioning the stator, and a clamping device for clamping and fixing the stator. A upper pressing component and a lower lifting component, which can be moved in the horizontal direction and the vertical direction respectively, are arranged on the upper and lower sides of the support block on the frame respectively. The frame is also provided with a control system capable of controlling the movement of the clamping device, the upper pressing component and the lower lifting component. The upper pressing component is provided with a camera for capturing a stator image for a control system to compute the center position of the stator. The automatic centering mechanism is simple in structure and accurate in center positioning.

The invention discloses locking installation equipment for electric power components. The locking installation equipment comprises an enclosure, wherein a control panel is arranged at one side of the top surface of the enclosure and a protective cover is arranged at the other side of the top surface of the enclosure; a side plate is arranged at one side of the front surface of the enclosure; the enclosure is provided with a work bench at the back surface of the side plate; a hydraulic oil tank is arranged at one side of the top surface of the work bench; a bidirectional hydraulic cylinder is connected to the central position of one side surface of the hydraulic oil tank; a hydraulic rod is arranged on the top surface of the other end of the bidirectional hydraulic cylinder; the other end of the hydraulic rod is connected with a chuck base; a central circular hole is formed in the central position of the top surface of the chuck base; three jaw grooves are uniformly distributed in the top surface of the chuck base; a chuck jaw is arranged in each jaw groove; a motor is arranged at the other side of the arc side surface of the chuck base; a sliding rail a is arranged at the bottom side of the motor; and a sliding rail b is arranged at the bottom side of the chuck base. A three-jaw chuck is formed by the chuck base and the chuck jaws, fastening and disassembling are controlled through the motor and locating and locking are convenient and fast.

The present invention relates to a bearing manufacture equipment, particularly relates to a bearing capping machine. The capping machine includes a hydrostatic press, an air cylinder, an inner lane locater, an upper mould and a lower mould, wherein the upper mould connects with the screw rod of the hydrostatic press; the lower mould connects with the working table of the hydrostatic press; the inner lane locater locates above the lower mould in central position of the lower mould; the air cylinder locates below the lower mould and can pass the lower mould to contact with the inner lane locaterand push-out the bearing work piece; the lower mould holds the outer lane of the bearing; the inner lane locater holds the inner lane of the bearing. The present invention characterized in that the shape and size of the intersecting surface of the upper and lower mould matches the outer lane of the bearing, and the upper and lower mould are provided with a T-shaped groove to adjust the central position of the upper and lower mould to align the upper and lower mould. By adopting above technical solution, the center locating of the upper and lower mould is accurate, operation is easy, hence capping speed and percent of pass are improved significantly.

The invention discloses a cantilever shaft reinforcing device of a cantilever type optical fiber take-up machine, and relates to the technical field of optical fiber equipment. The cantilever shaft reinforcing device comprises a supporting part vertically arranged on the inner side of a safety door, and the bottom of the supporting part is connected with a fixing part; the supporting part is fixed to the ground through the fixing part, and a connecting part is arranged on the top of the supporting part; a rotating shaft and a bearing are embedded into the connecting part, and the rotating shaft is connected with a locating sleeve arranged at the free end of a cantilever shaft; the rotating shaft and the locating sleeve are located in a conical surface fit manner, and the outer portion of the rotating shaft is sleeved with the bearing; and the position between the inner ring of the bearing and the rotating shaft and the position between the outer ring of the bearing and the connecting part are each provided with a clamping spring. According to the invention, the bearing capacity and the working efficiency of the take-up machine can be effectively improved without replacement of original cantilever type optical fiber take-up machine equipment, and the cantilever shaft reinforcing device is economical and practical.

The fuel filter has an outlet for the filtered fuel in a lower base portion of a casing, and a valve associated with the outlet. The filter insert has an internal space in which filtered fuel flows and that accommodates a central member capable of moving the valve to an open position when the insert is in an operational configuration in the casing. The valve is urged, by default, to a sealed position cutting off the flow to the outlet, for example by resilient return arranged between the bottom of the filter and a wall of an interface that guides the lower end of the central member. The central member and the filter insert form a removable unit, and it is therefore possible, typically by way of a cover / removable unit fastening, to automatically obtain the sealed position after opening the top cover.

A closed ring structure for grabbing a cylinder workpiece comprises upper square blocks, lower square blocks, rotation shafts and synchronous transmission assemblies. The multiple upper square blocks and the multiple lower square blocks are arranged at intervals, conduct surrounding along any one of respective diagonal lines in an end-to-end manner and are rotationally connected at the opposite angle positions through the rotation shafts, and accordingly the closed ring structure is formed. The two rotation shafts arranged on the same lower square block are in rigidity connection to the upper square blocks connected with the rotation shafts, wherein the two rotation shafts are connected through the corresponding synchronous transmission assembly. Rotation of any rotation shaft drives same-direction rotation of the other corresponding rotation shaft through transmission of the corresponding synchronous transmission assembly, unfolding or folding movement of the whole closed ring structure is achieved, and the cylinder workpiece is grabbed in the inner circumference of the closed ring structure. The closed ring structure for grabbing the cylinder workpiece is provided and can change the situation that existing clamps only have a single clamping function, and center alignment positioning can be conducted on the cylinder workpiece.

The invention discloses a welding mechanism with a lifting device. The welding mechanism comprises an installation frame, wherein a welding head and the lifting device for driving the welding head to move vertically are arranged on the installation frame, the lifting device comprises a lifting air cylinder and a vernier device, the lifting air cylinder is provided with a piston rod coaxial with the welding head, and the vernier device is arranged between the piston rod and the welding head. The welding mechanism with the lifting device has the advantages of being high in regulation accuracy, accurate in center positioning and convenient to operate.

The invention provides a mechanical arm clamp feeding and ejecting device which comprises a feeding mechanism and a main shaft ejecting mechanism. The feeding mechanism comprises a rack, a feeding drive device, a grabbing drive device and a pushing drive device. The main shaft ejecting mechanism comprises a device base, an air cylinder, a material rack and a linear guide rail assembly. The rack is provided with a feeding clamp. A baffle is arranged in the feeding clamp. A conveyor belt assembly is arranged at one side of the baffle, and a trough is formed in the other side of the baffle. A discharge V-shaped groove is formed above the baffle. A telescopic rod is arranged at the upper end of the feeding drive device. A feeding ejector rod is arranged at one side of the baffle. A feeding part is arranged above the feeding ejector rod and located in the trough. The feeding part makes contact with the baffle. A slope is arranged at one side, making contact with the baffle, of the top end of the feeding part. An included angle is formed between the slope and the baffle. The material rack is provided with a left V-shaped groove and a right V-shaped groove which are used for placing blanks. The device can solve the problems that excessive blanks are conveyed at a time and can not be conveyed in place.