31results about How to "No scrapping" patented technology

The invention provides a telescopic double-edged deep-hole boring cutter, aims to provide a deep-hole drilling boring cutter which has large length-diameter ratio, small self-excited vibration of a boring bar, reliable and stable feeding operation, no radial motion of a cutter arbor, and radial feeding of a cutting edge in a cutting process, and solves the problem that the deep-hole bottle cavity with large length-diameter ratio has large processing difficulty. The boring cutter comprises the boring bar which can extend to the deep-hole bottle cavity, wherein the central axis of the boring bar is provided with a through hole which runs through the central axis; a push rod (2) which is connected with a radial feeding device of the head of the boring bar is arranged in the through hole; the rear end of the push rod (2) is provided with a rotating handle; the rotating handle rotates a screw (5) and pushes the push rod (2) to do radial telescopic motion in the through hole of the boring bar; and the push rod (2) moves by way of pushing or pulling to drive the radial feeding device connected with the push rod and adjust the cutting edge of the double-edged boring cutter on a cutter block (3) to radically feed in the deep-hole bottle cavity.

The invention aims to provide a simple U-shaped bending piece stamping mould and belongs to the technical field of stamping moulds. By means of arranging rubber below a lower mould base, the problem that parts cannot be demoulded smoothly in a bending process, an upper mould and a lower mould cannot be clamped, and the upper mould and the lower mould of the stamping mould cannot be displaced. The simple U-shaped bending piece stamping mould comprises an upper mould base (1), screws (2), a mould shank (3), a stop pin (4), a pin (5), a guide sleeve (6), a cushion plate (7), a guide column (8), a male mould fixing plate (9), a positioning plate (10), screws (11), a female mould (12), the lower mould base (13), a pin (14), a screw (15), an upper cushion plate (17), the rubber (17), screws (18), a lower cushion plate (19), an ejection rod (20), screws (21), a male mould (22) and an ejection plate (23). The simple U-shaped bending piece stamping mould is basically free from maintenance, simple to operate, practical and reliable, and acts with cooperation of a special punch press.

The invention relates to a production method of an optical fiber preset core insert, which has the characteristics that the insertion loss of the optical fiber core insert in the production process can be detected by an instrument. The technical scheme is as follows: the production method of the optical fiber preset core insert is characterized by comprising the following steps: (a) horizontally fixing a ceramic core insert on a workbench of a core insert grinder; (b) sheathing a protective sleeve on a bare optical fiber which is not cut; (c) inserting the bare optical fiber into an optical fiber hole from the tail part of the ceramic core insert; (d) starting the core insert grinder to grind the end surface of the head part of the ceramic core insert and the end surface of the bare optical fiber; (e) conducting return loss test on a light guiding surface; (f) if the test result is disqualified, repeating the steps (d-e) until the test is qualified; and (g) if the test result is qualified, stripping the protective sleeve of the bare optical fiber, and taking the core insert out of the core insert grinder, and preserving a tail fiber with a certain length, and cutting with a cutter.

The invention provides a method for manufacturing a motor rotor and a self-aligning positioning mechanism used thereby. The method for manufacturing the motor rotor is characterized in that the motor rotor is formed by splicing a mandrel and magnetic steel by the self-aligning positioning mechanism through binding agent. The self-aligning positioning mechanism consists of a locating column, an aligning rod, an outer sleeve, a spring and a regulating rod, wherein the locating column contains a locating hole, communicating grooves are arranged around the upper part of the aligning rod, the side of the aligning rod at the communicating grooves is a reversed-V-shaped conical surface which is matched with a corresponding reversed-V-shaped conical surface at the upper part of an inner cavity of the outer sleeve, and the lower part of the aligning rod is provided with a transverse through hole that is in clearance fit with a pressure bar; the outer sleeve is provided with an inner hole which is in clearance fit with the aligning rod, the two sides of the outer sleeve are symmetrically provided with two long grooves, the pressure bar is inserted into the inner hole of the aligning rod and can move up and down inside the two long grooves, the lower part of the outer sleeve is matched with the regulating rod by screw thread, and the spring is arranged between the aligning rod and the regulating rod. The invention has the advantages of greatly improving the accuracy of product and manufacturing efficiency as well as reducing the manufacturing cost of the product.

The invention provides a double-blade boring cutter head without radial motion for a cutter bar, aiming to provide a stable and reliable boring cutter head capable of reducing the self-excited vibration of a boring bar. The double-blade boring cutter head comprises a cutter base which is fixedly connected to the end head of a boring bar (4) and can be used for replacing a blade; and the cutter base comprises two symmetrical crescent base bodies in a shear fork shape, wherein end part same-hole shafts of the two symmetrical crescent base bodies can be rotatably connected to a sunken platform of a push rod (2) and the boring bar (4). Since the two symmetrical crescent base bodies in a shear fork shape are used, the cutter bar does not do radial motion but can realize self-radial feeding in the boring and cutting process. By the invention, radial cutting forces of two blades on the boring cutter head can be mutually offset, so that asymmetrical unidirectional forced condition of the cutter bar can be changed; and the boring bar is not a cantilever beam single side of which is forced any longer and cannot generate the phenomena of deviation of blade center, cutter relieving or cutter scraping like a single-blade boring cutter.

The invention discloses an aerated brick cutting device and belongs to the technical field of aerated brick processing. The aerated brick cutting device comprises a base. A motor and bracket are arranged on the base, the bracket is fixedly connected to the base, the top end of the bracket is fixedly connected to a cutting table, a groove is formed in the cutting table, an output shaft of the motoris fixedly connected to a round cutting knife, the cutting knife penetrates the groove and is in clearance fit to the groove, a conveying mechanism is arranged on the side, parallel to the axis of the cutting knife, of the cutting table, the conveying mechanism comprises two conveying tables arranged in a spaced manner, the lower surfaces of the two conveying tables are slidably connected to theupper surface of the cutting table, fixing assemblies for fixing aerated bricks are arranged on the two conveying tables, the lower surfaces of the two conveying tables are fixedly connected to slidebars, the slide bars penetrate the cutting table and are slidably connected to the cutting table, the other end of the cutting table is fixedly connected to an air cylinder, and a telescopic rod of the air cylinder is fixedly connected to the slide bar. Deviation of the aerated brick cut by the aerated brick cutting device according to the scheme can be avoided effectively, and meanwhile, the aerated brick cutting device cuts the aerated brick quite precisely.

The invention relates to a highly-stable composite die base material. The material contains an additive and a carrier, and the formula of the material comprises 0.5-6 wt% of modified rubber particles,10-35 wt% of unsaturated polyester resin, 1-10 wt% of sands, 0-3 wt% of a processing aid, 0-2.5 wt% of a flame retardant, 5-20 wt% of a foaming agent, 10-20 wt% of a stabilizer and 30-60 wt% of lightburnt magnesium powder. The product prepared through the method has the advantages of excellent stability, avoiding of lateral displacement of a die in the heating and pressurizing process, low basehardness, avoiding of die scrap directly caused by misoperation of die loading and unloading, low cost and high cost performance.

The invention discloses an inner wall smearing auxiliary device for corrugated pipe manufacturing and a using method of the inner wall smearing auxiliary device, and relates to the technical field of corrugated pipe manufacturing. The inner wall smearing auxiliary device for corrugated pipe manufacturing comprises a device body, and a controller is arranged on the front surface of the device body. According to the inner wall smearing auxiliary device for corrugated pipe manufacturing and the using method of the inner wall smearing auxiliary device, groove expanding treatment is conducted on the inner wall of the corrugated pipe before smearing operation, so that an air layer communicating with the coating layer and a corrugated pipe body exists between a coating layer and a corrugated pipe body, when the corrugated pipe is bent, part of coating is squeezed into the air layer, therefore external coating stress is relieved, and thus the effect of preventing cracking and falling of the coating layer is achieved; and during groove expansion treatment, threaded rod extrusion treatment instead of cutting treatment is adopted, so that the density of the corrugated pipe body on the top of the inner cavity of the air layer is relatively large, the position where the air layer is located is not prone to deformation when the corrugated pipe is bent, and therefore the service life of the air layer can be well guaranteed.

The invention discloses a positioning pin positioning buckle mechanism for a gauge. The mechanism comprises an adjustment block which is provided with a pin bush hole, a pin bush which is assembled inthe pin bush hole in an interference fit manner, a positioning pin which comprises a positioning pin body, and a limiting mechanism which limits the axial displacement of the positioning pin and limits the positioning pin to rotate only within a set angle range, wherein one end of the positioning pin body is provided with a positioning part, the other end of the positioning pin body penetrates through the pin bush to be connected with a rotating part, and the maximum size of the positioning part is not smaller than the diameter of the positioning pin body. The effect of part expansion takingcan be achieved by rotating the positioning pin by 90 degrees, the limiting block and the adjustment block are connected into a whole, the debugging is convenient, the structure is simple, and the cost is low.

The invention relates to the technical field of female massagers, in particular to a female massager intermediate layer flexible rubber filling forming process and an assembly method. The female massager intermediate layer flexible rubber filling forming process is characterized by comprising the steps of mounting a pre-assembled inner core shell into a silicone skin; connecting and fixing the inner core shell to an upper mold through a first connecting part and a second connecting part via screws; connecting an air extraction hose and a feed hose to a filling space between the inner core shell and the silicone skin; inflating the air into the filling space for pressurization to enable the silicone skin to be completely attached to the surface of an inner cavity of the mold; and injectingliquid silicone into the filling space through the feed hose and pumping out the air synchronously through the air extraction hose from the other end of the feed hose. Compared with the prior art, thefemale massager intermediate layer flexible rubber filling forming process has the advantages that it can be guaranteed that an intermediate flexible rubber layer is tightly attached to both the surface silicone layer and the inner core shell; and the situation that untight attachment during laser assembling, bubbles are generated and assembling is not implemented in place is avoided.

The invention discloses a smart card capable of measuring welding spot tension and a welding spot tension measuring method thereof. The smart card comprises a substrate and a chip, wherein the chip is welded in the substrate; a coil is arranged inside the substrate; a first outgoing wire and a second outgoing wire are arranged on the coil; the first outgoing wire is longer than the second outgoing wire; and the first outgoing wire and the second outgoing wire are welded with the chip respectively. Through the technical scheme, the smart card can precisely measure the welding spot tensions of the outgoing wires of the chip in the production process, so that the quality abnormality of a welding spot can be found as early as possible; the production process is effectively simplified, so that the production efficiency is improved; and the unqualified rate of products is reduced.

The invention discloses a small radius forming tool for a large-diameter guide tube. The small radius forming tool for the large-diameter guide tube comprises a bending mold and a clamping block, wherein the bending mold comprises a forming mold (1), a first clamping mold (2) and a second clamping mold (3). Both the first clamping mold (2) and the second clamping mold (3) are connected to the forming mold (1) to form an integrated structure; a first groove structure (4) is arranged on the outer surfaces of the forming mold (1), the first clamping mold (2) and the second clamping mold (3); and an auxiliary clamping mechanism (5) is fixedly connected to the upper side of the first clamping mold (2). The small radius forming tool for the large-diameter guide tube is used for numerically controlled brake forming of the guide tube, so that the machining efficiency and quality are improved; the deviation value between the formed guide tube and a theoretical shape is reduced to meet a specified value; a tubular product is not scrapped, the repair rate is zero, and the machining quality is greatly enhanced.