63results about How to "Good matching precision" patented technology

The invention relates to a specially-shaped body annular groove machining mechanism, which is characterized in that a vertical plate is connected with a soleplate into a whole, the vertical plate is provided with a connecting bolt which is in fitting connection with a numerical-control lathe rotary main shaft chuck to be locked; a specially-shaped body to be machined is tightened onto the soleplate through a tightening screw and a hexagonal nut, and the soleplate is provided with a positioning key which enables the specially-shaped body to be machined to rotate concentrically with the numerical-control lathe rotary main shaft; and a pressure plate is installed on the upper part of the vertical plate, the front end of the pressure plate is provided with a pressure block for compressing the specially-shaped body to be machined through a compression screw, the pressure block can be compressed onto the specially-shaped body to be machined by screwing the compression screw, and the compression screw is provided with a locking nut. A machined part of the specially-shaped body can be rotated through rapid installation, clamping and positioning, and an ordinary tool is used for cutting a hole and an annular groove to be machined of the specially-shaped body, so that the auxiliary time is reduced, the machining efficiency is improved, and the investment cost of the equipment and forming tool can be greatly reduced.

The invention relates to a full-automatic optical fiber head assembling machine capable of conducting insertion core assembling. The full-automatic optical fiber head assembling machine comprises a rack and a power distribution control box. The rack is provided with a rotary disc assembly, a base assembling mechanism, a spring assembling mechanism, a shell assembling mechanism, a cover sealing assembling mechanism and a discharging device, wherein the base assembling mechanism, the spring assembling mechanism, the shell assembling mechanism, the cover sealing assembling mechanism and the discharging device are matched with the rotary disc mechanism. A rotary disc rack comprises an assembling rotary disc installation base arranged on the rack, an assembling rotary disc and an assembling fixing disc which are concentric are installed on the assembling rotary disc installation base, the assembling rotary disc is matched with an assembling rotary disc motor, and assembling carriers are evenly arranged at the outer portion of the assembling rotary disc in an annular shape. An insertion core assembling mechanism is arranged between the spring assembling mechanism and the shell assemblingmechanism. By means of the full-automatic optical fiber head assembling machine capable of conducting insertion core assembling, an insertion core assembling rotary disc can be matched with an insertion core assembling part to synchronously machine the insertion core while all parts of the assembling rotary disc are used for assembling, meanwhile, unqualified products of insertion core sleeves can also be removed, in addition, the assembled insertion core and a rotary disc assembling part can be in seamless butt joint, and the overall machining efficiency of an optical fiber head is improved.

A manipulator with transverse-in and transverse-out speed-reducing controller is composed of control unit, primary arm, secondary arm, leading-pulling bean, transverse beam with transverse-out and transverse-in deceleration signal approximate switch's sensors, base and cylinder with transverse-in and transverse-out electromagnetic valves. Said sensors and electromagnetic valves are connected to said control unit.

The invention discloses a clamp body for machining a side plate of a pulley frame. The upper surface of the clamp body is a working surface; two sides of a longitudinal axis of the upper surface of the clamp body is provided with symmetrical steps and a plurality of holes for positioning and installation; a short through groove are formed between two steps; the bottom of the short through groove is provided with a section of positioning surface which is provided with a step hole; the upper section of the step hole is provided with a light hole; and the lower end of the step hole is provided with a thread hole. The invention also discloses a method for machining and positioning the side plate of the pulley frame by using the clamp body; during rough machining, four round tables on the lower side of the side plate are used as positioning supporting surfaces, and multi-point positioning and pressing plate pressing modes are adopted; during finish machining, a single-point positioning mode is adopted to prevent deformation, so deformation and error are reduced; left and right pieces are machined at the same tool; and high machining accuracy and matching accuracy are achieved.

The invention specifically relates to an electromagnetic nail gun, and belongs to the technical field of handheld tools. The electromagnetic nail gun comprises a gun body, and a nail clamping module arranged on the gun body; and the gun body includes a main body part and a handle part integrally arranged. The electromagnetic nail gun further comprises a power device arranged on the main body part; the power device includes a cylinder connected with the main body part, a collision pin slidingly sleeved on the cylinder, an electromagnet arranged on the cylinder for reciprocating driving of the collision pin, and an axial magnet arranged on the collision pin to bring convenience to the electromagnet for reciprocating driving of the collision pin; the electromagnet includes a skeleton connected with the cylinder, and a coil wound on the skeleton; and the coil is provided with a back wiring end, a front wiring end and a middle wiring end. The invention aims to slidingly arrange the collision pin on the electromagnet, directly performs reciprocating driving for the collision pin by the electromagnet, is simple in structure and reliable in operation, and meanwhile, solves the problem of higher wear of the collision pin and a slide way.

The invention relates to a solid drill with an indexable insert comprising four identical cutting edges (30) arranged at a distance above a supporting base (42) and each extending between two cutting-edge corners (28 ', 28 ''). The cutting edges are each bounded by a cutting face (46) and a clearance face (48), with the inclusion of a wedge angle (belta). Of the cutting edges (30), one in each case is in an active operating position during the drilling operation. To permit optimum adaptation to the cutting conditions and drilling characteristics, varying over the length of the cutting edge of the drilling tool, it is proposed according to the invention that the height (h) of the four cutting edges (30), measured from the plane of the supporting base (42), and/or the clearance angle (alpha) varies over the length of the respective cutting edges (30).

The invention discloses a roller assembly for cleaning and a cleaner applying the roller assembly, the roller assembly for cleaning comprises a roller shaft and an elastic roller wrapping the roller shaft, the roller shaft can rotate under the action of a driving unit to drive the elastic roller to rotate for surface cleaning, the elastic roller comprises an inner roller body and an outer roller body, the inner roller and the outer roller are both made of elastic non-absorbent materials, and the hardness of the elastic material of the inner roller is smaller than that of the material of the outer roller. The cleaner is reasonable in structure, convenient to use, good in cleaning effect, good in use experience, beneficial to meeting the use requirements of sanitation and health and wide in market prospect.

A high-performance spring air hole sleeve comprises a valve shell, a mandrel and a spring, a frustum portion and a spigot portion are arranged at the two ends of the mandrel, one end of a hole cavity of the valve shell is a taper hole matched with the frustum portion of the mandrel in a sealing mode, the other end of the hole cavity of the valve shell is a gear portion limiting the spigot portion of the mandrel outside the valve shell, the spring sleeves the mandrel, and the two ends of the spring abut against the frustum portion and the gear portion respectively; a notch groove is formed in the top end of the spigot portion of the mandrel or the top end of the gear portion of the valve shell to form a multi-clack structure; the whole valve shell is in a cylindrical step shape, the end of an outer cylinder of the gear portion is a conical surface, and a plurality of circumferential grooves arranged in parallel are formed in the surface of the outer cylinder at a conical hole; a transition shaft section with the diameter larger than that of a shaft body is arranged at the joint of the frustum portion and the shaft body of the mandrel, an arc-shaped ring groove is formed in the connecting point of the transition shaft section and the frustum portion, and the end face of the frustum portion of the mandrel is arranged to be in a mushroom head shape. According to the high-performance spring air hole sleeve, the matching precision with a mold exhaust port is high, the stability is good, the exhaust effect is good, the vulcanized product is beautiful and flat, and the product quality is good.

The invention relates to a conveying line metal plate cover. The conveying line metal plate cover is characterized in that the metal plate cover comprises fifth faces including a front face, a rear face, a left side face, a right side face and an upper cover. The conveying line metal plate cover overcomes the defects in the prior art, the feeding and discharging conveying speed is high, efficiency is high, the cooperation precision is good, and the automation degree is high; a metal plate technology is adopted in shells of all the faces of the metal plate cover, stability is good, safety is good, and the service life is long; the internal structure is simplified, materials are saved, and cost is saved; and an instrument panel and an observation window are arranged, working personnel can know the internal working state outside in real time, adjustment can be conducted conveniently in time, and the overall testing efficiency is improved.

The invention discloses a honeycomb core component, which comprises a honeycomb core main body, a sealing piece for sealing the bottom face of the honeycomb core main body with the top face of a template, and an anti-floating structure for providing anti-floating restriction for the honeycomb core main body. The honeycomb core component further comprises a fence edge, and the fence edge is used for fixing on the template; after the honeycomb core main body is placed at the installing position of the template, every side of four sides of the honeycomb core main body contacts with the inside of the fence edge. In the honeycomb core component, the sealing piece can reliably display the sealing effect.