38results about How to "Improve tableting efficiency" patented technology

The invention relates to a tableting method for a sampler wafer with a boric acid substrate applied to XRFS analysis. The technical scheme of the method comprises the steps of putting 2.5-3.5g boric acid into the bottom of a material cavity of a tableting machine, and spreading out to acquire a substrate layer; preparing a thin film material with the thickness of 0.5-1mm into a wafer with a diameter d that is equal to d0-(3-5mm), and thus acquiring a liner film, wherein d0 is the diameter of the material cavity of the tableting machine, mm; then tiling the liner film on the substrate layer, and uniformly spreading 0.5-3g sample powder onto the liner film; and at last floating the sample powder by using a sample spoon, installing a press head of the tableting machine, pressurizing, keepingthe pressure and demolding to acquire the sampler wafer with the boric acid substrate applied to XRFS analysis. The method has the characteristics of being high in efficiency, not prone to generate astripping layer, small in consumption of sample powder, and high in production rate.

The invention discloses a technological method of producing ibuprofen tablets through two times of granulation. Silicon dioxide is used for assisting an acrylic resin drug carrier in coating ibuprofenmicro-powder, then one-time granulation is conducted, in the one-time granulation process, colloidal silicon dioxide is taken as an auxiliary material, it is ensured that ibuprofen original drugs isevenly distributed in the granulation process, the flowability of ibuprofen dispersions is improved, and the tabletting efficiency of ibuprofen granules is improved; and the ibuprofen granules obtained through a two-time granulation treatment technology are subjected to tabletting treatment, compared with a technological method in the prior art, the ibuprofen tablets prepared through the technological method is good in flowability, the content of the ibuprofen original medicine in the ibuprofen tablets is maintained, and the obtained tablets have the higher active ingredient dose and have theadvantages of being good in stability, high in bioavailability, not liable to absorb moisture and the like.

The invention provides a tabletting device for effervescent tablets, and belongs to the technical field of effervescent tablet production, the tabletting device comprises a bottom box, a second driving assembly, a powder storage box, a first driving assembly, a tabletting assembly and an abutting assembly, one side of the bottom box is provided with a through hole matched with the effervescent tablets in shape, the powder storage box is movably arranged on one side of the bottom box, and the first driving assembly is arranged on the other side of the bottom box. The two opposite sides of the powder storage box are open and used for storing powder, the first driving assembly is arranged on one side of the bottom box, and the tabletting assembly is arranged at the output end of the first driving assembly and controlled by the first driving assembly to reciprocate in the direction perpendicular to a through hole. The abutting and supporting assembly is movably arranged on the inner wall of the bottom box. Compared with the prior art, the embodiment of the invention can realize automatic tabletting treatment of the effervescent tablets, and has the advantages of good tabletting effect and high tabletting efficiency.

The invention discloses an amoxicillin and clavulanate potassium flavor tablet for pets, and its preparation technology. The flavor tablet comprises 8-40% of amoxicillin, 2-10% of clavulanate potassium, 30-80% of microcrystalline cellulose, 0.5-4% of cross-linked carboxymethyl cellulose sodium, 0.5-2% of aerosil, 0.5-4% of magnesium stearate and 1-15% of a flavoring agent. The amoxicillin and clavulanate potassium flavor tablet prepared in the invention is a tablet specially designed for solving the palatability of pets, can satisfy taste demands of the majority of pets, and has the characteristics of convenient administration, rapid action, high blood concentration and stable curative effect.

The invention relates to the technical field of tablet pressing equipment, and discloses a powder tablet pressing and taking-out mechanism which comprises a lower mold. A counterweight pressing ring is movably connected in an inner cavity of the top of the lower mold in a sleeved mode, a communicating groove communicating with a middle cavity of the lower mold is formed in the inner cavity of the top of the lower mold, a conveying pipeline is arranged on one side of the top cavity of the lower mold, an extrusion sleeve is fixedly installed at the top end of an upper mold, and a movable connecting rod communicating to the top of the extrusion sleeve is movably connected into the upper mold in a sleeved mode. According to the powder tablet pressing and taking-out mechanism, the upper mold, the extrusion sleeve and the movable connecting rod are arranged, in the upward moving process of the extrusion sleeve, the upper mold and the movable connecting rod on the upper mold can be staggered with each other under the elastic force action of an adsorption spring, then negative pressure is formed in an inner cavity of the upper mold, the pressed tablets are sucked out from the inner cavity of the middle part of the lower mold, and the device is simple in structure and convenient to use.

A molten material flattening and conveying device for powder paint processing comprises a conveying belt, and a molten material flattening mechanism is arranged at one end of the conveying belt. The molten material flattening mechanism comprises a horizontally-placed square tank, one end of the square tank is in butt joint with an inclined tank, the inclined tank is arranged above one end portion of the conveying belt, the square tank is fixedly supported through a first support, and a pushing component capable of moving transversely is arranged at the other end of the square tank in a telescopic mode. A flattening component capable of moving longitudinally in a telescopic mode is arranged over the square tank, a guide pressing roller is horizontally arranged on the upper portions of the two side walls of the joint of the square tank and the inclined tank, and one end of the guide pressing roller is connected with an external speed reduction motor through a belt in a rotating mode. By arranging the molten material flattening mechanism, a molten material can become relatively flat and then is conveyed to a tabletting roller of the next procedure through the conveying belt to be tabletted, and the tabletting efficiency of the tabletting roller is greatly improved.

The invention discloses a tablet pressing device for medicine production, and relates to the field of medical equipment. The device comprises a medicine lifting table and a medicine pressing mechanismlocated above the medicine lifting table, the medicine lifting table is manufactured from supporting feet, the medicine lifting table is provided with an up-down through groove, a horizontal lower supporting die is arranged inside the through groove, a vertical first lifting assembly is arranged below the medicine lifting table, the lifting end of the first lifting assembly is in fastened connection with the lower end face of the lower supporting die, the side wall of the lower supporting die makes sliding contact with the inner wall of the through groove, the medicine pressing mechanism is composed of a walking assembly and a pressing assembly, the walking assembly is composed of a walking guide rail, a motor, a lead screw and a sliding base, and the pressing assembly comprises a secondlifting assembly and a pressing roller. The structure is simple, the tablet pressing efficiency and quality are improved, the production efficiency is improved, and the production cost is reduced.

The present disclosure relates to crystalline forms of Baricitinib and processes for preparation thereof. The present disclosure also relates to pharmaceutical composition containing these crystalline forms and use of these crystalline forms for preparing JAK inhibitor drugs and preparing drugs treating rheumatoid arthritis. The crystalline forms of the present disclosure have one or more improved properties compared with crystalline forms of the prior art and have significant values for future drug optimization and development.

The invention discloses a tabletting machine for infrared spectrum analysis. The machine structurally comprises a box body, a fixing base, an adjusting block, a positioning block, a tabletting chamber, an indicating scaleplate, a feeding port, an infrared spectrum analysis device, a supporting beam, a spring, a displaying screen, a discharging port and a controller, the box body is fixedly connected with the fixing base, the adjusting block is arranged on the fixing base, the spring is connected with the box body, and the displaying screen is connected with the controller through the box body.The tabletting machine has the advantages that the infrared spectrum analysis device is arranged, the tabletting machine is firstly controlled through the controller and the adjusting block to put amaterial into the feeding port, the tabletting strength is controlled by a strength regulator and a tabletting state displaying board, so that circular tablets are not bonded in a mold and are easilytaken out, the tabletting is uniform, subsequent testing accuracy is improved, labor force is replaced with a time controller to control time, molding is conducted by the tabletting machine by remaining unchanged after certain pressure is reached by automatic pressing, tablets are discharged from the discharging port, and the tabletting efficiency is improved.