87results about How to "Does not affect surface quality" patented technology

The invention relates to the field of food making equipment, and aims at providing an oil-spraying sesame-scattering machine. The oil-spraying sesame-scattering machine comprises a cake conveying device, an oil-spraying device and a sesame-scattering device, wherein the cake conveying device comprises a machine seat, a front conveyer belt mechanism, a rear conveyer belt mechanism, two transmission assemblies and a driving mechanism; the machine seat is provided with a fixed plate fixedly connected with an end plate, and two vertical plates; the front conveyer belt mechanism and the rear conveyer belt mechanism are connected with the vertical plates; and one transmission assembly is connected with the front conveyer belt mechanism in a transmission way, and the other transmission assembly is connected with the rear conveyer belt mechanism in the transmission way. The oil-spraying sesame-scattering machine provided by the invention ensures that oil (or pulp) and sesame can not be adhered to a conveyer belt after being mixed and can not influence the cake surface quality.

The invention relates to a method and device for controlling welding hot cracking during welding by performing electromagnetic induction heating. A preheating coil for preheating a workpiece to be welded is arranged in front of a welding gun; an after heating coil for heating a quickly-cooled welding seam for realizing slow cooling is arranged behind the welding gun; and the center of the after heating coil is positioned between positions which are in the center of a welding pool for the workpiece to be welded and are L1 and L2 distances away from corresponding positions of the upper limit temperature T1 and lower limit temperature T2 of the brittleness temperature rang TB of a welding material. In the invention, preheating before welding and slow cooling after welding are realized, so that the strain rate of the welding seam in the brittleness temperature rang is reduced, and welding hot cracking is controlled effectively on the aspects of metallurgy and mechanics; and moreover, the device has a simple structure, high production efficiency and low cost, is easy to realize, and contributes to energy saving and environmental protection.

The invention discloses a coil part, which comprises a stator component, wherein the stator component comprises stator shells, electromagnetic polar plates and stator windings, and each stator winding is provided with three contact pins. The coil part also comprises contact pin protection elements, wherein a contact pin holes correspondingly matched with the stator component are arranged on each contact pin protection element, the contact pin on the stator component is inserted into the contact pin hole of the contact pin protection element and exposed out of the outer surface of the contact pin protection element, the contact pin protection element and the stator component are assembled together and then are subjected to injection molding to form a coil injection molding piece, an injection molding layer of the coil injection molding piece is coated with an insulated separation bars of the contact pin protection elements and is not coated on the end part of the contact pin, which stretches out of the contact pin protection element or the outer surface of the contact pin protection element, which is back to the stator component. Based on the coil part, the invention also provides a manufacturing method for the coil part.

The invention discloses a processing method of high-hardness rolls, comprising the following steps: (1) the roll with the hardness of 86HSD to 99HSD is placed on a lathe, a CBN polycrystalline blade is used as a lathe tool for carrying out rough machining to the roll at the cutting speed of 50 to 90m/min, the feed amount is 0.7 to 1.2mm/r, and the cutting depth is 0.5 to 1.5mm; (2) the CBN polycrystalline blade is used as the lathe tool for carrying out semifinishing machining to the roll at the cutting speed of 100 to 180m/min, the feed amount is 0.35 to 0.5mm/r, and the cutting depth is 0.2 to 0.5mm; and (3) the CBN polycrystalline blade is used as the lathe tool for carrying out finishing machining to the roll at the cutting speed of 200 to 250m/min, the feed amount is 0.15 to 0.3mm/r, and the cutting depth is 0.1 to 0.5mm. The method has short processing time, high efficiency and low cost.

A trim cover of a supplementary restraint system and installed on a car steering wheel comprises a trim cover body, wherein a square wide groove is formed in the middle position of the rear part of the trim cover body to form a reduction structure, two short reduction lines are arranged on two sides of the square wide groove, and a hammer-shaped groove is formed in the periphery of the trim cover body. According to the trim cover of the supplementary restraint system and installed on the car steering wheel, a traditional unfolding method of the supplementary restraint system is changed. A tearing line design is not adopted on the trim cover, the reduction structure of the square wide groove is formed in the rear part of the trim cover and as a flipping rotary shaft, material which the square wide groove is made of is pretty thin, and the square wide groove plays a role as the rotary shaft in a flipping process. Due to the adoption of the flipping structure, the periphery of the trim cover and a shell body of the supplementary restraint system are clamped through the hammer-shaped groove and a hammer-shaped head, the traditional unfolding method of the supplementary restraint system is changed, and the supplementary restraint system is easy to open. Meanwhile, due to the fact that the two short reduction lines arranged on the two sides of the wide groove are located behind the trim cover, surface quality of the trim cover is not affected even if injection molding shrinkage marks exist.

A peeling mechanism configured to cooperate with a mechanical arm to remove a protecting film from a workpiece can include a driver, two clamping members coupled to the driver and spaced from each other, and two cutting members respectively coupled to the clamping members oppositely to each other. Each cutting member can include a protruding end extending towards the other cutting member. The protruding end protrudes out of the clamping member. The driver can be configured to move the two clamping members towards each other.

The invention discloses vertical steel pipe self-centering straightening equipment. The vertical steel pipe self-centering straightening equipment comprises a machine frame, a machine seat, an oil cylinder and straightening rollers; the machine frame is fixed to the machine seat; a three-claw clamping disc is welded and fixed to a welding block which is positioned on the machine seat; the oil cylinder is vertically downward and is fixedly mounted on a sliding seat; the sliding seat is arranged on a transverse guide rail which is positioned on the machine frame in a sliding manner; the straightening rollers are mounted on a connecting shaft; the connecting shaft is welded and fixed to a piston rod of the oil cylinder; at least four straightening rollers are uniformly arranged in the circumferential direction of the connecting shaft; the maximum distance between opposite two straightening rollers is equal to the inside diameter of a steel pipe. According to the vertical steel pipe self-centering straightening equipment, the friction between each straightening roller and the inner wall of the steel pipe is small, and the outer wall of the steel pipe cannot be worn, so that the surface quality of the outer wall of the steel pipe cannot be influenced; during a straightening process, the steel pipe is fixed; the problem of twisting or rotating is avoided; therefore, other negative effects cannot be produced.

The invention relates to the field of fruit picking tools, and particularly relates to an apple picker capable of cutting fruit stems short. The apple picker comprises a rack cylinder, a cutting mechanism and a puller mechanism, wherein the puller mechanism comprises an air cylinder with a cylinder body fixed at the bottom of the rack cylinder; a piston rod of the air cylinder penetrates the bottom of the rack cylinder from the bottom up, and a control lever is horizontally fixed at the end part of the piston rod; two holders are fixed at the end part of a third transmission rod located abovethe rack cylinder, and are opposite, and a cambered surface structure fit with the middle of an apple is arranged in each holder; the cutting mechanism comprises a guiding pillar fixed on the cylinderbody of the rack cylinder; an outer cutting tool comprises an outer blade which has a cambered surface facing a driving motor and is of a branch structure, an inner cutting tool comprises an inner blade of a branch structure, the middle of the inner blade is rotationally matched with a positioning shaft, and the cutting edge position of the branch part of the outer blade is opposite to that of the branch part of the inner blade. While the fruit stems of the apples are cut to complete picking, the fruit stems are lower than the surfaces of the apples, the subsequent operation of fruit growersis reduced, the workload of the fruit growers is reduced, and the situation that the surfaces of other apples are damaged by the apple stems when the apples are in transportation is avoided.

The invention discloses an anti-HIC (hydrogen induce crackle) hot rolled steel plate and a magnesium processing smelting method thereof. The hot rolled steel plate prepared by adopting the magnesium processing and smelting method comprises the following chemical components in percentage by weight: 0.06wt%-0.20wt% of C, 0.10 wt%-0.50 wt% of Si, 0.4 wt%-1.6 wt% of Mn, not greater than 0.25 wt% of P, not greater than 0.010wt% of S, not greater than 0.06 wt% of Nb, not greater than 0.15 wt% of V, 0.0001 wt%-0.020 wt% of Mg and Ti, less than 0.010 wt% of Als, and the balance of Fe and inevitable impurities. The anti-HIC hot rolled steel plate can inhibit production of banded structures in a steel plate, and can improve performance of the steel plate.

The invention discloses a non-contact precision measuring instrument, which comprises a measuring platform used for placing a to-be-measured piece and a measuring tool, wherein the measuring tool comprises an upright post arranged on the measuring platform, and a coarse measuring tool and a fine measuring tool which are connected in series on the upright post, and the size of the to-be-measured piece is the reading difference of the coarse measuring tool and the fine measuring tool; the coarse measuring tool comprises a lifting block and a dial indicator arranged at the upper part of the lifting block, and when the bottom surface of the lifting block is arranged on the measuring platform, a dial indicator thimble is contacted with the top surface of the lifting block and displays that thereading is zero; and the fine measuring tool comprises a non-contact measuring tool fixed with the lifting block, and the measuring zero point position of the non-contact measuring tool is matched with the bottom surface position of the lifting block. The non-contact precision measuring instrument is simple to operate, wide-range, high-precision and non-contact measurement can be realized, and thesurface quality of a product is not influenced on the premise of ensuring the measurement precision.

The invention provides a tool and a method for clamping guide pipes by using hydraulic rubber bags. The tool comprises a box provided with the rubber bags inside, and positioning rings; the positioning rings capable of being disassembled and replaced are arranged in guide pipe ports on the front and back sides of the box; the hollow rubber bags are fixed in the box; and the rubber bags are connected with an external hydraulic pump. The hydraulic pump is opened; when hydraulic oil is injected in the rubber bags by hydraulic pipelines, the rubber bags are inflated to enlarge to finally wrap thesurfaces of the guide pipes and to generate pressure; and when the ends of the guide pipes are machined, the guide pipes generate relative motion tendency under the effect of external force, so that the extrusion of the rubber bags to the guide pipes is converted to friction force for stable fixation of the guide pipes.

The invention provides a gas sealing device and a gas sealing method for a soaking zone of a continuous annealing furnace. The gas sealing device comprises two baffles which are symmetrically arranged on an inner wall at an outlet of the soaking zone of the continuous annealing furnace, wherein the two baffles are downwardly inclined and are arranged inside the soaking zone to be V-shaped; an air supply opening is formed in the inner wall above the top of each baffle; the inner side of each air supply opening is connected with a nozzle, and the outer side of each air supply opening is connected with one end of an air supply pipe; the other end of each air supply pipe is connected with a fan; an infrared thermometer is arranged on the inner wall above each nozzle. According to the gas sealing device and the gas sealing method for the soaking zone of the continuous annealing furnace, rising of the hot air of the soaking zone can be effectively prevented, the alloying process of a galvanized steel strip is not affected, and the surface quality of the galvanized steel strip is improved.

The invention relates to the field of machining, in particular to a trial cutting device for the analysis of workpiece surface quality problems and an analysis method. The trial cutting device comprises a base, wherein the base is rectangular, and an X-axis test component, a Y-axis test component, a Z-axis test component, an A-axis test component, a B-axis-C-axis test component and an origin hole are arranged on the base; the X-axis test component, the Y-axis test component and the A-axis test component are all parallel with the edges of the base; the X-axis test component is arranged on the edge of the base, and the Y-axis test component and the A-axis test component are separately arranged on the edges, adjacent to the X-axis test component, of the base; the Z-axis test component is a bulge with a trapezoidal longitudinal section and is arranged in the middle of the base; the origin hole is formed in the middle of the top plane of the Z-axis test component; and the B-axis-C-axis test component is a ring and is arranged between the Z-axis test component and the X-axis test component and between the Y-axis test component and the A-axis test component. Through the independent processing of coordinates, workpiece surface quality problems caused by complicated multi-axis simultaneous processing are solved, and the accurate and rapid positioning of failure reasons is realized.

The invention relates to a wall-adhered jet seal pressure stabilizing device in a galvanized strip steel alloying process and an application method thereof. The device mainly consists of an air box, anozzle, a movable side plate, a flow stop plate, a support column, an upper slide way and a lower slide way; when the movable side plate is located in a closed state, the support column fixedly connected to the movable side plate horizontally supports the flow stop plate; at this time, the distance W from the end part of the flow stop plate to galvanized strip steel is 30-60 mm, so that the winding and sucking effect on the lower side of free jet is reduced; when the movable side plate is opened by moving to two ends of the upper slide way and the lower slide way, the flow stop plate is rolled over under the effect of gravity to locate in a vertical state; and at this time, the distance from the plane of the flow stop plate to the galvanized strip steel is equal to the distance from the nozzle to the galvanized strip steel. The device can effectively stop hot air currents of an insulation section of the galvanized strip steel from upwards ascending, and meets the insulation requirements of the insulation section of the galvanized strip steel on the basis of not influencing the surface quality of hot galvanized strip steel.

The invention discloses an anti-adhesion punch for powder molding, which is characterized in that small air vents are distributed on the punch perpendicularly and evenly, a ventilating pipe is arranged at each of the air vents in a matching mode, and ventilating pipes are directly connected with a peripheral equipment air compressor through an air separating joint. When the anti-adhesion punch for powder molding works, air films can be prevented from being formed between the punch and powder, the adhesion of the punch to the powder is effectively prevented, and the quality of punch stamping powder molding product surface is not affected simultaneously.

The invention discloses a welding tool and a welding method of a connecting plate, and belongs to the field of machining. When the connecting plate is welded, an annular cylinder, an annular flange plate and an annular rib plate are generally spot-welded and assembled, then the annular flange plate is placed on the supporting surfaces of two supporting structures, the annular flange plate is pressed by a pressing plate, the plate surface of the annular flange plate is clamped by the pressing plate and the supporting surface of the supporting structure of the welding tool, so that the positionof the annular flange plate is well fixed, the deformation generated in the welding process is small, therefore, the machining allowance reserved on the surface of the annular flange plate can be reduced, the material required for manufacturing the annular flange plate is reduced due to the reduction of the machining allowance, the machining allowance required for machining is also reduced, and the economic cost and the time cost for manufacturing the connecting plate are reduced. According to the two driving structures arranged at an interval in the welding tool, adjusting and overturning theposition of the connecting plate is convenient, so that the welding efficiency of the connecting plate is improved, and the time cost required by manufacturing the connecting plate is further reduced.

The invention discloses a scale removing brush and belongs to auxiliary scale removing equipment. The scale removing brush structurally comprises a brush body and a spring pressing rod. The brush body is arranged on the outer side wall of a scale removing box. The brush body comprises a first steel plate, a second steel plate and steel wire ropes. The first steel plate and the second steel plate are connected through steel plate clamping bolts and steel plate clamping nuts. A plurality of steel wire ropes are arranged between the first steel plate and the second steel plate side by side. The steel wire ropes are clamped and fixed through the first steel plate and the second steel plate. The front ends of the steel wire ropes respectively extend out of the first steel plate and the second steel plate. The rear side of the first steel plate or the second steel plate is provided with a rotating shaft. The two sides of the rotating shaft are respectively connected with a brush body supporting part. The spring pressing rod is connected with the scale removing box through a spring support. A spring is arranged on the spring pressing rod located at the lower end of the spring support. The scale removing brush has the advantages of being capable of completely removing scale impurities which are attached to the surfaces of billets and can not be removed; moreover, the surface quality of products is not influenced, the service life of scale removing equipment is prolonged, and the production cost and the maintenance workload are reduced.

The invention belongs to the technical field of optical element manufacturing, and particularly relates to a tritium-contaminated optical film non-destructive removal method based on inert ion beam etching. In order to overcome the shortcoming that acid etching is used in the prior art to remove tritium-contaminated optical films, the method in the technical scheme comprises the steps that the thickness of optical films made according to the technology the same as that of the optical elements to be subjected film removing is firstly measured; then the etching rate of ion beams on the optical films on the element surfaces is calibrated; and finally inert ion beams with the energy being 100 eV to 1500 eV, the beam current being 100 mA to 500 mA and the ion beam incident angle being -90 degrees to 90 degrees are adopted to accurately etch and remove the tritium-contaminated optical films on the element surfaces. By means of the method, the shortcoming existing in an existing acid etchingtechnology for removing the tritium-contaminated optical films can be effectively overcome, and meanwhile, it is ensured that the surface quality, the optical performance and the laser damage resistance of an optical substrate are not affected.