85results about How to "Improve product quality" patented technology

The invention relates to a method for producing fine denier and micro-fine denier flat regenerated polyester filaments by means of regenerated polyester bottle pieces. At present, technical bottlenecks exist in producing the fine denier and micro-fine denier flat regenerated polyester filaments by means of the regenerated polyester bottle pieces. The method for producing the fine denier and micro-fine denier flat regenerated polyester filaments by means of the regenerated polyester bottle pieces is characterized by comprising the steps that 1, pretreatment is conducted on recycled waste regenerated polyester bottles to obtain the polyester bottle pieces; 2, low-temperature vacuum drying treatment is conducted on pretreated polyester bottle pieces; 3, the dried polyester bottle pieces are sequentially subjected to melted extrusion through a screw, primary filtration, liquid phase viscosity adjustment homopolymerization kettle treatment and secondary filtration, enter a spinning box body with a spinning assembly through a metering pump for treatment and are subjected to cooling through circular blowing, collection oiling, drafting, shaping, winding and doffing, and a finished product is obtained. According to the method for producing the fine denier and micro-fine denier flat regenerated polyester filaments by means of the regenerated polyester bottle pieces, the technical bottlenecks are solved, and the prepared fine denier and micro-fine denier flat regenerated polyester filaments have the advantages of being excellent in comfort, soft, smooth, easy to dye, fluffy, resistant to pilling and the like.

The present invention belongs to the technical field of electronic measurement device, and especially relates to a cooling fin size and flatness online automatic measurement device and a measurement method thereof. The device comprises a cabinet, the cabinet is provided with a synchronous conveyor, a displacement sensor and a secondary light source are arranged in parallel at two sides of the upper portion of the synchronous conveyor, a detection imaging system is arranged at the top portion of the cabinet corresponding to the synchronous conveyor, and the synchronous conveyor, the displacement sensor, the secondary light source and the detection imaging system are electrically connected with a processing system; and the method comprises the steps of: employing the displacement sensor to perform flatness detection and employing the detection imaging system to perform size detection. The cooling fin size and flatness online automatic measurement device and the measurement method thereofcan achieve automatic detection of the cooling fin size and flatness on the production line, are fast in speed and high in accuracy, cannot generate leak detection and facilitate improvement of product quality.

The invention discloses a reducing net changing device for a PVC (Poly Vinyl Chloride) plastic extruder, comprising a net changing flange, a reducing ring, a filtering meshed plate, a connector and a heating device, wherein the reducing ring is in the annular structure in which a trumpet-shaped through hole is formed; the diameter of the trumpet-shaped through hole is gradually reduced from left to right; the diameter of the left end of the trumpet-shaped through hole is equal to the inner diameter of the right end of an extruder barrel; and the diameter of the right end of the trumpet-shaped through hole is equal to the diameter of the inner bore of the left end of the connector. The reducing net changing device has the advantages that the inner bore of the reducing ring is set to be the trumpet-shaped structure with a big left part and a small right part; and the filtering meshed plate is nested into the counter bore of the right end of the reducing ring and is in butt joint with the right end of the trumpet-shaped inner bore. When plastic raw materials are extruded, the raw materials enter the filtering meshed plate via the trumpet-shaped reducing inner bore, circumstance does not generate dead material, raw materials have small possibility of decomposing, the number of times and time for changing the net are reduced, product consumption is reduced, and product quality can be effectively improved.

The invention discloses a core shooter. The core shooter comprises a rack, at least four sand supplying assemblies which are arranged on a top plate, and at least four mold assemblies, wherein the rack is provided with the top plate, a bottom plate and a roller way for iron type driving; each sand supplying assembly comprises a movable sand shooting head, a pressing cylinder for providing a pressing force for the sand shooting head and a sand hopper for supplying sand grains; each mold assembly comprises a ground track arranged on the bottom plate, a sliding device which is slidably arranged on the ground track and a lifting mechanism of a mold and the sliding device, wherein the mold is arranged on the sliding device and is staggered from the roller way in a direction perpendicular to the bottom plate, and the lifting mechanism can move along the direction perpendicular to the bottom plate by driving the mold; the mold assemblies and the sand supplying assemblies are arranged in a manner of one-to-one correspondence. According to the core shooter, each mold assembly can slide on the bottom plate, and the mold and the roller way are staggered in the direction perpendicular to the bottom plate, so that the problem that the mold positioned right below the roller way is inconvenient to disassemble, assemble and sweep when the mold and the roller way are noncollinear in a vertical direction is solved. Thus, the sweeping effect is improved, and a product is prevented from being polluted by impurities. As a result, the quality of the product is improved.

The invention provides a testing tool and a display panel detection method. The testing tool comprises a main body support; a guiding plate, which is connected to the main body support; an automatic reset guide rod structure, which is slidingly connected with the guiding plate; a pressing limit structure, which is connected to the guiding plate and can make the automatic reset guide rod structure slide in a preset range; a pressing handle structure, which is individually connected to the upper part of the automatic reset guide rod structure and the main body support; and a press head structure, which is arranged on the lower part of the guiding plate and is connected to the lower end of the automatic reset guide rod structure. The provided testing tool has the advantages that the designated pressing force can be reached by pressing the testing tool to the maximal degree, thus the pressing force is uniform every time, and the detection accuracy is improved.

The invention relates to the field of tobacco production and discloses a drum type screening device. The drum type screening device comprises a support girder, a plurality of supporting wheel sets are arranged on the support girder and respectively comprise a front supporting wheel and a rear supporting wheel, the front supporting wheels and the rear supporting wheels are symmetrically arranged, and a driving device driving the two supporting wheels of one supporting wheel set to rotate is connected to the support girder; a first grid drum body used for filtering large tobacco leaves is supported on the supporting wheel sets, one end of the first grid drum body is a feed end, the other end of the first grid drum body is a discharge end, the first grid drum body is arranged downwards in an inclined mode in the discharge direction, a protective cover connected to the support girder is connected outside the first grid drum body, and a discharge hopper connected to the support girder is arranged below the first grid drum body. According to the device, the leaves larger than the specific size in threshed leaves are screened out through screen holes of the first grid drum body, the large leaves which are screened out can undergo secondary treatment, and therefore the requirement of the cigarette process specification can be met, and the quality of final products of cigarettes can be improved.

The invention discloses an adjustable side reinforcement support device mounted on a triangular truss production line. The adjustable side reinforcement support device is mounted between the bent part and welded part of a side reinforcement and structurally comprises material guide racks, an upper material support plate and a lower material support plate which are arranged between the two material guide racks, as well as a support side reinforcement arranged between the upper and lower material support plates, wherein the two ends of the upper material support plate and the two ends of the lower material support plate are connected with a hinging mechanism and an adjustable fixing mechanism respectively, and one ends, which are positioned on the same side,, of the upper and lower material support plates are connected with the hinging mechanism and the adjustable fixing mechanism respectively; and the other ends, positioned on the other side, of the upper and lower material support plates, are connected with the adjustable fixing mechanism and the hinging mechanism respectively. The adjustable side reinforcement support device has the following beneficial effects: the height between the upper and lower material support plates is conveniently adjusted, and truss side reinforcements of different specifications are supported and delivered by means of height adjustment; and a side reinforcement rack is arranged inside the lower material support plate and used for clamping the side reinforcement so as to prevent the side reinforcement from tilting, thereby ensuring that the delivery of truss side reinforcements is steady.

The present invention provides a compact injection molding method of an injection molding part with a wire, the compact injection molding method comprises the following steps: A, polishing; B, stripping an outer sheath; C, stripping a head, and crimping; D, neutron injection, to be more specific, the wire and a terminal are fixed, the wire and a terminal are firstly closely covered by plastic particles as neutrons; E, two times of injection molding, to be more specific, the wire treated by the step D is divided into two parts, one part comprises the terminal, first, first injection molding of the part comprising the terminal is performed, during the first injection molding, the terminal and the neutron are coated, second injection molding of the other part is performed, during the second injection molding, the wire and the neutron are packed, and the to-be-processed injection molding part with the wire can be formed. By addition of the neutron injection molding before the first injection molding, gaps between the injection molded body and the wire can be effectively eliminated for ensurance of air tightness test to meet corresponding technical requirements, and product quality is improved.

The invention discloses an automatic paper feeder, comprising a beam, a paper feeding driving roller and a paper feeding driven roller, wherein the paper feeding driving roller and the paper feeding driven roller are arranged on the beam; a gap for placed paper to pass through is arranged between the paper feeding driving roller and the paper feeding driven roller; and a paper guiding board is arranged below the paper feeding driving roller. With the adoption of the structure, the automatic paper feeder provided by the invention has the advantages as follows: 1, the paper is automatically placed on glass, so that the manual operation is replaced, and the production efficiency is improved; 2, the labor is reduced; the product consistency is improved; the product quality is improved; and the automatic paper feeder is more suitable for mass production; the production cost is reduced; and the production efficiency is improved; and 3, the automatic paper feeder is more humanized, so that staff can get lots of rest, and injuries incurred while working can be reduced.

The invention provides a durian shell thorn passivating device. The durian shell thorn passivating device is characterized by comprising a rack, a shell thorn passivating and grinding tool arranged on the rack and a piece feeding station arranged on the rack and horizontally arranged with the shell thorn passivating and grinding tool, wherein a waste material conveying belt is arranged on the rack of the lower portion of the piece feeding station, and a collecting edge is arranged at the upper end of the waste material conveying belt. The durian shell thorn passivating device has the advantages that the durian shell thorn passivating device is simple in structure and convenient to use and can effectively passivate durian shell thorns. It is ensured that materials are not easily stabbed in the durian logistics process, the integrity of packaging materials is ensured, the product quality is improved, and the logistics quality is improved.

The invention discloses an electric eye aligning spot welder which comprises a frame and a clamping mechanism. A bottom-layer plate is mounted on the frame; the clamping mechanism comprises two guide rail backing plates, two guide rails, two sliding plates capable of sliding on the two guide rails, a connecting plate, a servo motor, a lead screw and four clamping devices; the two guide rail backing plates are parallelly mounted at the rear end of the bottom-layer plate; the two guide rails are parallelly mounted on the two guide rail backing plates; the two sliding plates are mounted on the two guide rails; two ends of the connecting plate are fixedly connected onto the two sliding plates; a lead screw threaded sleeve is mounted on the connecting plate; the servo motor is mounted on the bottom-layer plate; one end of the lead screw is connected with the servo motor, and the other end of the lead screw is mounted in the lead screw threaded sleeve; and the four clamping devices are respectively mounted at two ends of each sliding plate. The four clamping devices can move left and right along the two guide rails, and backing plates and baffle plates can move up and down, so that the production automation is realized, and the production efficiency is increased; and air cylinders are used for controlling a moving distance, and the control of spot-welding positions is accurate and reliable, thus, the quality of products can be improved.

The invention relates to a special pH value buffering agent for soilless culture nutrient solution and a preparation method of the special pH value buffering agent, and belongs to the technical fieldof soilless culture. The special pH value buffering agent comprises the following components in parts by weight: 40-67 parts of amino acid, 30-70 parts of potassium fulvic acid and 0.2-5 part of potassium tartrate, and the special pH value buffering agent is used for maintaining the pH value of the soilless culture nutrient solution at 6.5-7.5. According to the invention, the pH buffer agent can be used as a special pH buffer agent for a weakly alkaline soilless culture nutrient solution, is used for maintaining the pH value of the soilless culture nutrient solution within a weakly alkaline range suitable for crops all the time, is particularly suitable for water culture of succulent plants, saves the nutrient solution and reduces the cost.