28results about How to "Avoid thickening" patented technology

The present invention belongs to the field of hot rolling process, and particularly relates to a control method and system for the iron scale on the surface of hot rolling strip, which is applied to the laminar cooling back-end cooling mode: before the strip enters the laminar cooling zone back-end, the corresponding strip surface iron scale control water cooling mode is selected to be turned on according to the properties of the rolled product itself; the strip is controlled to enter the air cooling section after the final rolling of the finishing mill according to the selected water cooling mode for the iron scale on the surface of the strip to control the iron scale on the surface of the strip; after the control is completed, the strip enters the laminar cooling zone back-end for laminar cooling until the strip reaches the target coiling temperature. The control method can reduce the thickness of the iron scale on the surface of the strip to less than 15μm, with a dense structure, and it is not easy to fall off in large pieces / sheets to form black ash, and at the same time, it also realizes the prefabrication of cracks in the iron scale layer on the surface of the strip to a certain extent, and improves the pickling efficiency by 15%-20%.

The invention relates to the technical field of building materials, and particularly discloses high-strength premixed pervious concrete for a surface layer and a preparation method of the high-strength premixed pervious concrete. The invention relates to high-strength premixed pervious concrete for a surface layer. The concrete comprises the following components in parts by weight: 220 to 300 parts of cement, 1570 to 1720 parts of double-graded broken stone, 85 to 120 parts of water, 50 to 100 parts of mineral powder, 18 to 35 parts of anhydrite, 4 to 10 parts of soluble sulfate, 0 to 50 parts of silica fume, 0 to 50 parts of fly ash of 1000 meshes, 20 to 35 parts of quartz stone fine sand of 80 to 120 meshes, 1 to 2.5 parts of a composite water reducing agent, 0.4 to 2.4 parts of a viscosity modifier, 6 to 10 parts of wollastonite fiber powder and 0.4 to 1 part of a defoaming agent. The composite water reducing agent comprises an ether polycarboxylic acid water reducing agent and an ester polycarboxylic acid water reducing agent. The composition and proportion of the concrete are designed and adjusted, so that the concrete has a good construction effect under the premixing condition.

The invention discloses an application of a meroterpenoid compound I in preparation of an anti-heart failure medicine. The meroterpenoid I separated and purified from marine fungi Aspergillus terreus GZU-311 is used for treating a mouse heart failure model induced by adriamycin or coronary artery left anterior descending branch ligation, and it is found that the meroterpenoid I can improve the heart function of a mouse, reduce myocardial cell damage, inhibit myocardial connective tissue thickening and improve myocardial cell arrangement disorder, and the meroterpenoid I can be used for treating the heart failure of the mouse induced by adriamycin or coronary artery left anterior descending branch ligation, so that the meroterpenoid I can be used for treating the heart failure of the mouse induced by adriamycin or coronary artery left anterior descending branch ligation. Inflammatory cell infiltration is reduced, and the effect of resisting heart failure is achieved. Therefore, the invention provides the application of the meroterpenoid I in preparing the heart failure resisting medicine. According to the invention, medicine source molecules for treating heart failure are enriched, and development and clinical treatment of anti-heart-failure medicines are facilitated.

The invention discloses an air conditioner air-cooled heat pump air inlet cooling system which comprises an air inlet cooling cylinder, a front end cover is fixedly installed at one end of the air inlet cooling cylinder, a rear end cover is fixedly installed at the other end of the air inlet cooling cylinder, a cooling core set is installed in the air inlet cooling cylinder, and an air distribution disc is arranged at one end of the cooling core set. An air gathering disc is arranged at the other end of the cooling core set, an air outlet pipe is installed in the air gathering disc in a penetrating mode, an air inlet pipe is installed in the air distributing disc in a penetrating mode, and the air inlet pipe is fixedly arranged on the front end cover in a penetrating mode. According to the inlet air cooling system of the air conditioner air-cooled heat pump, when hot air circulates in the outer coil pipe and the inner coil pipe, the hot air is filled in the edge cooling pipe and the center cooling pipe, the hot air wraps the outer coil pipe and the inner coil pipe, and the outer layer and the inner layer of the hot air can be subjected to uniform cooling and heat exchange work; and uniform cooling and heat exchange work is carried out on the air beams, and the situation that the temperature of the inner layer and the temperature of the outer layer of airflow entering the equipment are inconsistent is avoided.

The present disclosure provides a compound capable of exhibiting an effect similar to that of 2-Cys-peroxidase reductase (2-Cys-Prx) in vivo, and a pharmaceutical use thereof, in which the compound has an excellent pharmacological effect and reduced side effects, such as reduced cytotoxicity. The compounds and pharmaceutically acceptable salts thereof of the present disclosure are useful in the treatment or prevention of vascular diseases, particularly ischemic coronary artery diseases, arteriosclerosis, vascular restenosis or pulmonary arterial hypertension. The compounds of the present invention and pharmaceutically acceptable salts thereof are particularly useful in the treatment or prevention of pulmonary arterial hypertension. The invention also provides methods of making the compounds of the disclosure.

The invention relates to the technical field of label printing, in particular to a label printing device for a marking machine, which comprises a base, a shell fixedly covers the base, a groove is formed in the top end of the base, a paper outlet is formed in one end of the shell in a penetrating manner, and a cutting mechanism is arranged at the position, close to the paper outlet, of the inner top wall of the shell. A paper tube is detachably and rotatably connected to the interior of the shell, thermo-sensitive paper is wound on the paper tube, a penetrating opening is formed in the top end of the shell in a penetrating mode, and the position of the penetrating opening corresponds to the position of the paper tube. According to the invention, not only can offset or inclined thermo-sensitive paper be corrected before printing work, but also continuous sliding friction between the heating block and the thermo-sensitive paper in the printing process can be effectively avoided, and the influence of the heating block with residual heat on the thermo-sensitive paper after use can be effectively avoided; and effective heat dissipation of the other heating blocks which do not move downwards can be achieved while normal printing of the heating blocks which move downwards is guaranteed, and then the printing quality and the printing efficiency of the device are guaranteed.

The invention relates to the technical field of coal-water slurry, with an IPC classification number of C08F, and specifically relates to a novel naphthol distillation residue modified coal-water slurry modifier and a preparation method thereof. The raw materials for preparing the novel naphthol distillation residue modified coal-water slurry modifier include, by weight, 1-10 parts of distillation-rectification residue, 0.2-1 parts of silane coupling agent, 80-120 parts of water, 20-45 parts of anionic surfactant, 10-20 parts of phenol, 3-10 parts of alkaline compound, 10-35 parts of formic aldehyde, and 1-2 parts of auxiliary agent. The preparation method comprises: adding a silane coupling agent to the distillation-rectification residue in a heated molten state for blending and modification, adding an anionic surfactant and stirring and mixing, adding formic acid aldehyde to prepare a small monomer, adding water, phenol, and liquid sodium hydroxide into a flask, adding the remaining formic acid aldehyde, and adding the small monomer and an auxiliary agent for mixing, so as to prepare a novel naphthol distillation residue modified coal water slurry modifier, which has the advantages of good dispersibility, high stability, low viscosity, good fluidity, good practicality, low energy consumption, and the like.

The application belongs to the technical field of traditional Chinese medicines, and particularly relates to a traditional Chinese medicine compound for treating pulmonary fibrosis of diabetes and application thereof. The traditional Chinese medicine compound comprises 70-90 parts of Huangqi, 20-40 parts of Danshen, 10-30 parts of Chuanxiong, 20-40 parts of Beishashen and 40-60 parts of Shanyao. The application also discloses application of the traditional Chinese medicine compound in preparation of a medicine for treating pulmonary fibrosis of diabetes of the type of deficiency of both qi and yin and blood stasis. The traditional Chinese medicine compound has reasonable formula, and uses the traditional Chinese medicine theory scientifically. The raw materials are matched according to the principle of monarch, minister, assistant and guide, and the traditional Chinese medicines are synergistically used, so that the traditional Chinese medicine compound can not only supplement deficiency of both qi and yin of diabetes, but also dredge stasis of collaterals of long-term disease, and achieve good clinical test effect by considering both the symptoms and the root cause.

The utility model provides a battery cell module, comprising: an outer frame provided with a clamping groove and a binding surface deviating from the clamping groove; the battery cell assembly is fixed in the clamping groove, the battery cell assembly comprises a tab led out from the battery cell assembly, and the tab extends out of the clamping groove and is folded on the binding surface; wherein the tab is provided with a pre-folding line, the pre-folding line is used for enabling the corner of the tab to be a round corner when the tab is folded, and the sum of the thickness of the tab and the thickness of the battery cell is equal to the thickness of the outer frame when the tab is observed in the thickness direction of the battery cell module. The utility model further provides a battery pack which comprises the battery cell module. According to the battery cell module and the battery pack provided by the invention, the tabs are folded in the manner of the pre-folding lines and are arranged on the binding surfaces, so that the total thickness of the tabs and the battery cells is ensured to be just equal to the thickness of the outer frame. According to the scheme, thickness increase possibly caused by additional parts is avoided, and the structural compactness and the integration degree of the battery cell module are improved.

The invention belongs to the technical field of granulators, and discloses a granulation forming machine for biomass pellet fuel production, the granulation forming machine comprises a granulator base, one side of the top of the granulator base is fixedly connected with a connecting chamber, the top of the connecting chamber is fixedly connected with a forming chamber, the middle of the top end of the forming chamber is fixedly connected with a feeding port, and the feeding port is fixedly connected with a discharging port. One side of the forming chamber is fixedly connected with a discharge port, and one side of the top of the granulator base is fixedly connected with a first driving motor. The double-shaft motor is started to drive the threaded rod to rotate, the threaded rod rotates to push the threaded sleeve to move, the threaded sleeve moves to drive the connecting shaft to move, and the connecting shaft moves to drive the pressing roller to move, so that the gap between the pressing roller and the ring mill is adjusted to adapt to the characteristics of biomass materials, and the forming effect is improved.

The utility model discloses an earphone which comprises an earphone shell, a loudspeaker, a support and a circuit board. The loudspeaker is arranged in the ear shell, the support is arranged in the ear shell and surrounds the side of the rear end of the loudspeaker, a loudspeaker rear cavity surrounding the rear end of the loudspeaker is formed between the support and the rear end of the loudspeaker, the support is provided with an avoiding hole which is opposite to the rear end of the loudspeaker and communicated with the loudspeaker rear cavity, and the rear end of the loudspeaker extends into the avoiding hole. The circuit board is arranged in the earphone shell and located on the rear side of the loudspeaker, and the circuit board seals the avoiding hole. The receding hole is formed in the support so that the rear end of the loudspeaker can penetrate into the receding hole, the space occupied by the whole body formed by the loudspeaker and the support in the thickness direction of the earphone can be reduced, and therefore the thickness of the whole earphone is reduced. Besides, the circuit board is a necessary part of the earphone, and the avoiding hole is sealed by using the existing circuit board, so that the problem that the thickness of the earphone is increased due to the fact that the avoiding hole is sealed by a newly added part is also avoided.

The utility model belongs to punch forming device technical field, concretely relates to a kind of anti-scratching annular buckling punch forming device, including lower die spring subassembly and upper die spring subassembly, the upper end of lower die spring subassembly is provided with layered breading die, the inside of layered breading die is provided with step-by-step oblique structure, the inside of step-by-step oblique structure is provided with product, the inside of layered breading die is provided with upper die breading structure, the lower end of upper die spring subassembly is provided with telescopic rod. The utility model is through design fixed plate, guide sleeve, guide rod, connecting plate, sealing sleeve and connecting rod etc. component, open cover body, then lubricating oil is filled to oil storage sponge, extrude oil storage sponge, and then make the lubricating oil in oil storage sponge flow from oil inlet to guide rod, downward telescopic rod drives connecting plate and guide rod to move down, and then make telescopic rod be guided, prevent telescopic rod on device from deviating.

The invention provides a method for directionally constructing a micro-nano porous structure between fibers of a fabric so as to enhance the radiation cooling performance of the cotton fabric. In particular to a Janus knitted fabric with radiation refrigeration and one-way moisture conduction functions and a preparation method and application thereof, the front side of the Janus knitted fabric is hydrophilic cotton yarns, and the back side of the Janus knitted fabric is synthetic fibers; after weaving is completed, the reverse side of the Janus knitted fabric is coated with a polymer solution containing inorganic micro-nano particles, and the distance gt of the synthetic fibers is regulated and controlled; the diameter of the inorganic micro-nano particles and the spacing of the synthetic fibers are gt The polymer solution is directionally distributed to the cotton yarn layer due to the spacing of the hydrophilic cotton fibers, and then a micro-nano porous structure is formed among the cotton fibers through non-solvent induced phase separation. According to the Janus knitted fabric prepared by the invention, a micro-nano porous structure is formed in situ between cotton fibers, the surface texture and macrostructure characteristics of the fabric are not influenced, the original hand feeling and hydrophilicity of the fabric are kept, and the Janus knitted fabric has an excellent radiation cooling function.

This invention provides a traditional Chinese medicine composition for treating allergic rhinitis, its preparation method, and its application. The effective components of the traditional Chinese medicine composition are made from the following raw materials in parts by weight: Astragalus membranaceus 3-50, Atractylodes macrocephala 3-30, Saposhnikovia divaricata 3-30, Magnolia biondii 3-30, Xanthium sibiricum (fried) 3-30, Ganoderma lucidum 3-50, Platycodon grandiflorus 3-30, calcined dragon bone 5-50, calcined oyster shell 5-50, Terminalia chebula 3-30, Adenophora stricta 3-30, Cordyceps sinensis mycelium powder 3-30, and Dictamnus dasycarpus 3-30. The raw materials of this traditional Chinese medicine composition are common, the preparation method is simple and easy to operate, and it has wide application value. Oral administration of the drug significantly improves nasal sensitivity symptoms in a mouse model of allergic rhinitis, reduces the levels of IgE and histamine in serum and nasal lavage fluid, reduces the level of inflammatory factors in serum, and inhibits the number of inflammatory cells and mast cells in the nasal mucosa, thus effectively treating allergic rhinitis.

The utility model discloses a novel primary cooler flushing device which comprises a shell, a waste heat water pipe, a circulating water pipe and a low-temperature water pipe are sequentially arranged in the shell from top to bottom, a coal gas inlet is formed in the top wall of the shell, an ammonia water inlet is formed in the side wall of the upper portion of the shell, a group of ammonia water inlet pipes are connected to the ammonia water inlet, and a group of ammonia water outlet pipes are connected to the lower portion of the shell. A spraying and flushing device is arranged on the side wall of the shell, a blowing steam pipeline and a heating and temperature measuring sensor are arranged in the shell, the blowing steam pipeline and the heating and temperature measuring sensor are arranged below the spraying and flushing device, and the shell is externally connected with a liquid returning mechanism. The utility model belongs to the technical field of primary coolers, and particularly provides a novel primary cooler flushing device.

This utility model discloses a loading and unloading system for a van and a van, relating to the field of van technology. The loading and unloading system includes a van floor, a conveying structure, and a cover plate. The van floor has an installation opening extending along the length of the van. The conveying structure is located at the installation opening and is used for transporting goods. The cover plate is detachably installed over the installation opening. The technical solution provided by this utility model improves the protection of the van by the loading and unloading system, preventing damage and extending the service life of the van.

An electrochemical device is disclosed, including a housing, an electrode assembly, a first bonding piece, and a second bonding piece. The electrode assembly includes electrode plates and a separator. The electrode plates include a first electrode plate and a second electrode plate. The separator is disposed between the first electrode plate and the second electrode plate. The electrode assembly is of a wound structure and located in the housing. In a winding direction, the electrode assembly includes a first section, a first bend section, a second section, and a second bend section that are connected sequentially. An outermost coil of the first section is the separator. The first bonding piece is configured to bond an outermost coil of the electrode plates in the first section together with the separator located outside the outermost coil of the electrode plates in the first section. A bonding force between the first bonding piece and the outermost coil of the electrode plates in the first section is 3 N / m to 30 N / m. The second bonding piece is configured to bond an outermost coil of the separator in the first section together with the housing. A bonding force between the second bonding piece and the housing is 20 N / m to 150 N / m. This application further provides an electronic device containing the electrochemical device. This application can improve the anti-drop performance and safety of the electrochemical device.

The invention discloses application of a substance for inhibiting TRPV3 in preparation of a product for preventing or treating ultraviolet-induced / mediated diseases, and belongs to the technical field of medicines. The invention describes the effect of a skin transient receptor potential cation channel, subgroup V and member 3 (TRPV3) in ultraviolet skin injury, and the inhibition of the TRPV3 can be used for developing medicines and skin care products for preventing or treating ultraviolet (UVB) injury. The invention also discloses evaluation of the anti-inflammatory activity of the natural selective TRPV3 inhibitor osthole by adopting a mouse skin ultraviolet injury model, and application prospects of the osthole in preparation of medicines and skin care products for preventing or treating ultraviolet injury are prompted. When a drug containing the TRPV3 inhibitor found according to the present invention or the TRPV3 inhibitor provided by the present invention is used in the prevention or treatment of ultraviolet damage, a good prevention or treatment effect can be obtained.

The invention discloses a sucker rod coating production system, and belongs to the technical field of sucker rod coating. A sucker rod coating production system comprises a spraying part used for spraying a rod body of a sucker rod and a supporting part used for supporting the rod body. The spraying part comprises a clamping mechanism used for clamping and rotating the rod body, a spraying mechanism used for spraying operation and a drying mechanism used for drying operation. The clamping mechanism horizontally moves through a translation mechanism, and two groups of reciprocating driving mechanisms are arranged on the clamping mechanism and respectively correspond to the spraying mechanism and the drying mechanism; according to the device, the sucker rod can be driven to rotate and horizontally move through the arranged clamping mechanism and the arranged translation mechanism, then spraying is conducted through the spraying mechanism, drying of paint can be accelerated through the arranged drying mechanism, the length of the device can be shortened through the arrangement, and the requirement for a use site is lowered; therefore, the problem that in the prior art, a conventional paint spraying device for spraying paint on the sucker rod is long in occupied area is solved.

The utility model discloses a novel parapet light profile which is characterized in that a first vertical part is vertically arranged, and the first vertical part is used for being fixedly connected with a wall body; the second vertical part is arranged on the side, away from the wall body, of the first vertical part, a gap is formed between the second vertical part and the first vertical part, and the second vertical part is connected with the first vertical part through a first transverse rod; the bearing body is arranged on the side, away from the first transverse rod, of the second vertical part, the bearing body is connected with the second vertical part, and the bearing body is used for bearing a protective wall. Through the arrangement of the first vertical part, the parapet wall can be directly fixed to the wall body, and thickening of the bottoming wall body is avoided; and through the arrangement of the parapet wall bearing part, the parapet wall can be quickly mounted and fixed on the bearing body. And through the arrangement of the first cross rod, the lamp source can be rapidly installed. In conclusion, the novel parapet light profile is fast to mount and stable in structure, and has good adaptability to parapets in different shapes.

The invention relates to a preparation method of a thin-wall carbon nanotube, and aims to overcome the defects that the preparation method of the thin-wall carbon nanotube in the prior art is relatively complex, high in cost and incapable of mass production, and the obtained carbon nanotube is relatively small in inner diameter, incapable of being filled with other substances and incapable of being used for preparing a composite material with a specific purpose. The preparation method comprises the following steps: S1, preparing a carbon nanotube catalyst precursor by using a sol-gel method, wherein the carbon nanotube catalyst precursor is a metal oxide; s2, reducing the carbon nanotube catalyst precursor prepared in the step S1 to obtain a carbon nanotube catalyst; s3, preparing a thin-walled carbon nanotube by using the carbon nanotube catalyst obtained in the step S2 and a nitrogen-containing hydrocarbon compound as a carbon source and adopting a chemical vapor deposition method; the thin-wall index of the prepared carbon nano tube is greater than 4, and the carbon nano tube is a thin-wall carbon nano tube; the inner diameter of the carbon nanotube is 55-110 nm, so that the carbon nanotube can be filled with other substances, and the application of the carbon nanotube is expanded; and the preparation method is simple, low in cost and applicable to mass production.

The application discloses a lead-free composite solder and a preparation method thereof. The lead-free composite solder comprises an alloy core and a surface modification layer, and the surface modification layer is coated on the surface of the alloy core. According to mass percentage, the alloy core comprises Ag 0.3%-4.5%, Cu 0.2%-0.8%, Bi 0.5%-3.0%, Sb 0.01%-3.2%, Ni 0.01%-0.2%, Ga 0.005%-0.15%, Ce 0.005%-0.08%, and the rest is Sn. The surface modification layer comprises tin dialkyldithiophosphate and cerium alkylsalicylate. The bimetallic chelate type surface modification layer formed by tin dialkyldithiophosphate and cerium alkylsalicylate is adopted, the interface bonding strength is further strengthened, the solder surface oxidation is effectively inhibited, and the storage stability and environmental adaptability of the solder are improved. The alloy core is prepared through the synergistic matching of multiple components, the excessive growth of interface intermetallic compounds and the grain coarsening are inhibited, and the thermal fatigue resistance and long-term service reliability of the solder joint are improved.

The utility model relates to the technical field of cement detection, and discloses a damping cement negative pressure screen analysis instrument which comprises an instrument body shell, a screen analysis tank is arranged in the instrument body shell, a conical barrel is installed on the portion, located on the right side of the screen analysis tank, in the instrument body shell, and a negative pressure mechanism is installed on the portion, located on the right side of the conical barrel, in the instrument body shell. A water box is mounted on the front side of the negative pressure mechanism in the instrument body shell, and a filtering mechanism is arranged on the left side of the water box; the damping shock absorber is arranged, the damping shock absorber absorbs and dissipates vibration energy generated by the vibrator, the negative pressure fan and the circulating pump, so that the vibration amplitude is reduced, the shock absorption effect is achieved, water in the water box is continuously pumped out through the circulating mechanism in the filtering mechanism and discharged into the filtering seat, the water is filtered through the filtering plate, and the filtering effect is improved. The situation that the adsorption effect on cement powder in gas is reduced due to the fact that water in the water box is thickened after being used for a long time is avoided, and the water in the water box can be used for a long time.

The application belongs to the technical field of color paste, and discloses a kind of inkjet ink color paste and preparation method thereof, and the application uses cashew phenol polyoxyethylene ether and acrylic copolymer dispersant containing pigment affinity group as dispersant with mass ratio 1: (0.5~1), the cashew phenol polyoxyethylene ether molecular structure contains phenolic hydroxyl and long chain alkyl, which forms π-π stacking effect with permanent yellow aromatic ring, can quickly wet, penetrate, spread on the surface of pigment;Acrylic copolymer dispersant containing pigment affinity group can make pigment deflocculate by steric hindrance stabilization, which can form multi-point strong hydrophobic adsorption and electrostatic adsorption with the surface of coated modified permanent yellow particles, adsorption is firm and not easy to desorb, can long-term inhibit particle aggregation, the combination of the two significantly improves room temperature stability, thermal stability, centrifugal stability, effectively reduces color difference.

The utility model relates to the technical field of honey processing production equipment, and provides honey extraction processing production equipment which comprises a box body, one side of the box body is fixedly connected with an installation frame, the top end of the box body is fixedly connected with a feeding hopper, and a vibrating screen assembly is arranged on the upper portion in the box body. A material guide pipe is fixedly connected to the lower part in the box body, a reaction kettle is fixedly connected to the bottom end of the box body, supporting columns are fixedly connected to four corners of the bottom end of the box body, a stirring and wall scraping assembly is arranged in the reaction kettle, a shell is fixedly connected to the bottom end of the reaction kettle, and a discharge pipe is mounted on one side of the reaction kettle. According to the technical scheme, honey is filtered through the vibrating screen assembly, and the problem that when honey is directly filtered through a filtering layer, filtering holes are possibly blocked by solids, and consequently the processing efficiency is reduced is solved.

The invention relates to the technical field of nursery stock planting, in particular to an auxiliary protection device for nursery stock planting. According to the auxiliary protection device for nursery stock planting, after a humectant is sprayed, a trunk can be automatically wrapped with a heat preservation material, the nursery stock maintenance efficiency is improved, and the cost is saved. An auxiliary protection device for seedling planting comprises a cart, a handle and the like, and the handle is connected to the left side of the cart. One end of a bandage is fixed to the bottom of a nursery stock trunk, a belt rod rotates to drive a convex gear to rotate, the convex gear and an arc-shaped rack move in a meshed mode, a storage bin rotates on an arc-shaped base and rotates around the trunk, the position, where a humectant is sprayed, of the trunk is wrapped with the bandage, and the purpose that after the humectant is sprayed, the bandage is fixed to the bottom of the nursery stock trunk is achieved. The thermal insulation material can be automatically wrapped on the trunk, the nursery stock maintenance efficiency is improved, and the cost is saved.

The utility model belongs to the technical field of valve processing, and particularly relates to a paint spraying device for valve processing, which comprises a paint spraying mechanism and a paint spraying mechanism, the fixing mechanism is used for fixing the valve; the shell is used for mounting the paint spraying mechanism and the fixing mechanism; the stirring mechanism comprises a stirring shaft, a plurality of stirring rods and a first motor, the plurality of stirring rods are uniformly arranged on the stirring shaft, and the first motor drives the stirring shaft to rotate to stir the paint; according to the paint spraying device for valve machining, the first motor drives the stirring shaft to rotate, the stirring shaft and the stirring rod stir paint, the paint is better stirred before being sprayed, it is ensured that the paint is even, the paint is prevented from being layered, and therefore the spraying effect is better.