31results about How to "Solve indentation" patented technology

The invention discloses a polyphenyl ether resin material used for processing a charger case, which consists of polyphenyl ether resin, polystyrene resin, an elastic body, fire retardants, polyolefin, silicone masterbatch, main antioxidants and auxiliary antioxidants. Through adding proper auxiliary agents into a polyphenyl ether resin composition, the invention improves the surface lubricating effect of manufactured elements, reduces the pressure required during welding, and solves the problems of impression, scratches and the like occurring during the ultrasonic welding of products. The products are mainly applied to the fields requiring the ultrasonic welding, such as charger cases, wiring cases and the like.

The invention provides a clamping mechanism for automatic equipment parts, which includes an inflator, a rubber hose, a strip air bag, a rubber suction cup and a spring. The upper end of the pipe is connected with the bar-shaped air bag, the bar-shaped air bag is installed in the air bag groove, the lower end of the rubber suction cup is connected with the rubber pad one, the spring upper end is connected with the rubber pad one, and the spring bottom is connected with the rubber pad two. The clamping mechanism produces indentations when clamping the parts, which is beneficial to protect the integrity of the clamped parts, facilitates the clamping of parts with smooth surfaces, and makes the clamping mechanism more powerful in clamping functions.

The invention discloses anti-indentation amino baking paint which can be applied to automobile hub glazing coating and a preparation method of the anti-indentation amino baking paint. The anti-indentation amino baking paint is mainly prepared from, by weight, 42-55 parts of polyester-modified thermosetting acrylic resin, 2-3 parts of end-sealed isocyanate resin, 18-22 parts of amino resin, 6-8 parts of an auxiliary and 10.0-20.0 parts of solvent. The anti-indentation amino baking paint is mainly applied to automobile hub glazing coating, the polyester-modified thermosetting acrylic resin and the amino resin are taken as reaction main bodies to react with each other to generate the amino baking paint of which the pencil hardness can reach 2H, therefore, the hub surface indentation problem caused by stacking and extruding after automobile hub coating is offline can be effectively solved, and the product qualification ratio of an automobile hub manufacturing enterprise is increased. The anti-indentation amino baking paint is simple in preparation technology and suitable for industrialized production.

The invention discloses polishing equipment for an optical glass mirror surface. The polishing equipment comprises a base, an automatic polishing device is arranged between the top of a supporting frame and an inner cavity, second conveying devices are symmetrically arranged on the opposite sides of first fixing blocks, first conveying devices are arranged on the opposite sides of second fixing blocks, and automatic adsorption devices are arranged in the middles of the first fixing blocks and on a top support of the base. The invention relates to the technical field of glass polishing. According to the polishing equipment for the optical glass mirror surface, the problems that a polishing device of a polishing machine is relatively single, the surface of glass cannot be polished in all directions, the clamping force is required to be considered during clamping, the clamped surface of the glass can be impressed or broken, when feeding and discharging are conducted, moving is conducted manually, the glass can fall off in the carrying process, the body of a person can be injured, and in addition, the polishing efficiency can be greatly reduced through manual feeding and discharging are solved.

The invention discloses a formula for a special protective film of a brushed aluminum plate. The formula comprises the following materials in parts by weight: 50-60 parts of low-density polyethylene, 20-30 parts of linear low-density polyethylene, 5-10 parts of SEBS, 0.1-0.3 part of an antioxidant, 0.2-0.3 part of polyethylene wax, and 0.1-0.2 part of oleamide. Through the adoption of the elasticity and self adhesive force of SEBS, the problem of glue residues on a glue coating film is effectively solved, and the problems of indentation, scratch, pollution and the like appearing in a stamping process of the brushed aluminum plate are solved; through the addition of the polyethylene wax, the protective film can be quicker and more convenient to form and easy to peel off, so that the sticky phenomenon after stamping of the brushed aluminum sheet is prevented, that is, not only can the stickiness be kept, but also the protective film can be conveniently tore down; through the introduction of a composite antioxidant in the formula, the ageing-resistant performance of the protective film is greatly improved, and the weathering-resistant performance of the brushed aluminum plate is improved. Therefore, the protective film is more durable.

The invention relates to a device for attaching a nameplate to a keyboard shell. An attaching mechanism is embedded between conveying belts and comprises a fixed pressing roller and a conveying roller abutting against the fixed pressing roller. The contact surface between the fixed pressing roller and the conveying roller is located on the same plane with the upper surfaces of the conveying belts. The interior of the conveying roller communicates with negative pressure, and through holes are formed in the circumferential wall of the conveying roller. The conveying roller is fixedly mounted on a rotary shaft. The rotary shaft is sleeved with a bearing. A shielding case and a plug block are mounted on the bearing. An opening of the shielding case faces downwards and abuts against the inner wall of the conveying roller, and the abutting portion of the shielding case is of a flexible structure. The plug block is located in the shielding case, and a compression spring is connected between the plug block and the rotary shaft. A conveying mechanism further comprises a conveying trough and a guide plate, and the conveying trough and the guide plate are located above the conveying roller. A heating mechanism comprises a hot air cylinder, wherein a nozzle is arranged on the hot air cylinder, and the nozzle faces the space between the fixed pressing roller and the conveying roller. By implementing the scheme, the effect of attaching the nameplate without bonding is achieved.

The invention discloses an adapter device for a special-shaped connector of a special aerospace valve. The adapter device for the special-shaped connector of the special aerospace valve comprises a pipe joint nozzle, a screw sleeve, an outer sleeve, a seal ring, a taper sleeve and a seal rod, wherein the pipe joint nozzle is a hollow rotary body; a limiting step is arranged on the outer wall of the right end; external screw threads are arranged at two ends of the outer wall of the pipe joint nozzle; the screw sleeve is screwed onto the outer wall of the right end of the pipe joint nozzle; theright end of the screw sleeve and the right end of the pipe joint nozzle are on the same plane; an embedded cavity is formed between the pipe joint nozzle and the screw sleeve; the small end head of the special-shaped connector is embedded into the embedded cavity; the inner wall of the special-shaped connector at the embedded part fits to the outer wall of the pipe joint nozzle; the limiting stepis in butt joint with a smooth step, and the butt-joint part is sealed by the seal ring; the taper sleeve is of a tapered rotary body structure and is arranged on the right side of the smooth step ofthe small end head of the special-shaped connector; the outer sleeve is screwed onto the outer wall of the screw sleeve; and the taper sleeve is extruded into the embedded cavity. The fixed connection and the cavity communication between the pipe joint nozzle and the special-shaped connector are realized, so that the connection problem of the test of the special aerospace valve with the special-shaped connector is solved.

The invention relates to the technical field of metal plate stamping, and particularly discloses a 5G part stamping die and stamping method. The 5G part stamping die comprises an upper die unit and alower die unit, wherein the upper die unit comprises a guide column, the lower die unit comprises a guide sleeve corresponding to the guide column, and the guide column is in sliding fit with the guide sleeve; the upper die unit further comprises a bending punch obliquely arranged, the lower die unit further comprises a bending assembly, the bending assembly comprises a bending lower die and a first spring arranged at the lower end of the bending lower die, and the bending lower die rebounds under the action of the first spring; and the bending lower die is in an inverted trapezoid shape and comprises an upper supporting face, a lower connecting face, a left sliding face and a right bending face, and the obliquely-arranged angle of the bending punch is the same as the oblique angle of theright bending surface. According to the 5G part stamping die and stamping method, the appearance quality, the production reliability and the production stability of stamped parts can be effectively guaranteed, meanwhile, the forming procedure can be favorably simplified, and the production efficiency can be improved.

The invention discloses a method for reducing the surface folding and bonding damage of an aluminum coil caused by head coiling diameter thickness deviation. When a hot-rolled aluminum coil with a finished product thickness of more than or equal to 6.0mm is rolled, the head of an aluminum strip is pressed and thinned to be less than 6mm, and time for enlarging a roll gap to a roll gap with a set thickness is calculated according to the length of the aluminum strip machined by each rolling mill. The method has the beneficial effects that the head position of the aluminum strip is pressed and thinned in an aluminum strip rolling process, and a thickening deformation area of the aluminum strip is machined into an abrupt thickness change-free wedge-shaped area, so that abrupt thickness changes are avoided, the problem of dents or folding caused by the excessive thickness of the head of the aluminum coil can be effectively solved, and the finished product rate is greatly increased; moreover, additional hardware equipment is not required, and only a conventional program is required to be modified, so that the method is low in cost and high in practicability.

The invention provides a numerical control lathe clamp. The invention belongs to the technical field of machining tools. The clamp comprises a clamp body, a positioning disc, clamping devices and a tool setting device, the clamp body is cylindrical, one end of the clamp body is fixedly inserted into one end of a chuck, the other end of the chuck is fixed to the center area of the end face of the positioning disc, the two sets of clamping devices are fixedly arranged on the other end face of the positioning disc and are symmetrically arranged along the center point of the positioning disc, andthe tool setting device is arranged on the positioning disc. When the clamp is used, the clamp body is fixed in the chuck, the machining position of a workpiece is determined through the positioning disc, the clamping devices are used for clamping the workpiece, and before machining is started, the tool setting device is used for determining the machining zero point. The clamp is simple in mechanism and easy to operate, the workpiece is driven to move mainly by clamping the clamp body, and the problem that in the prior art, indentations and scratches are formed in the surface of a finished workpiece due to the fact that a universal clamp is adopted is solved.

The invention provides a roll forming machine comprising a rack. The left end and the right end of the rack are symmetrically provided with vertical fixed working roller sets respectively, each fixedworking roller set comprises two fixed working rollers arranged front and back, and the upper and lower ends of the fixed working rollers are rotatably connected with the rack respectively. A guide mechanism with a left-right guide function is arranged between every two fixed working rollers arranged front and back. The left and right ends of the rack are symmetrically provided with vertical movable working roller mechanisms respectively. Each movable working roller mechanism comprises a vertical movable working roller and a driving oil cylinder group for driving the movable working roller tomove along the corresponding guide mechanism. The top ends of the movable working rollers are connected with driving devices for driving the movable working rollers to rotate. According to the roll forming machine, roll forming replaces a traditional bending technology, the requirement for product precision can be met, the product quality and the production efficiency can be improved, the production cost is reduced, and the problems of product indentations and insufficient consistency are solved.

The invention discloses a mold pressing mold for improving cloth cup indentation and a cloth cup manufacturing method, the mold pressing mold comprises an upper mold and a lower mold which are oppositely arranged, the lower mold is provided with a female mold, and the female mold is provided with a spherical groove which is recessed downwards and correspondingly forms a cloth cup; the upper die is provided with a male die matched with the female die, the male die is provided with a spherical body facing the spherical groove, and the spherical body is provided with a pressing face. A downwards concave groove is formed in the spherical groove, and the groove is arranged around the edge of the upper surface of the spherical groove by a circle; the groove is internally provided with a buffer part which is used for abutting against the pressing face when the female die and the male die are assembled, the buffer part is formed by filling a flexible organic silicon material, and the upper surface of the buffer part is flush with the upper surface of the groove. According to the mold pressing mold for improving the cloth cup indentation, the problems of cloth cup edge indentation and aurora in bulk production can be solved, the attractiveness of finished bras is improved, and the defective rate of bulk production is reduced.

The invention relates to an attachment method for a keyboard shell and a nameplate. An attachment mechanism is embedded in the middle of a conveying belt and comprises a fixed press roller and a conveying roller abutting against the fixed press roller. The contact face of the fixed press roller and the conveying roller and the upper surface of the conveying belt are located on the same plane. Negative pressure communicates in the conveying roller. Through holes are formed in the circumferential wall of the conveying roller. The conveying roller is fixedly mounted on a rotating shaft. The rotating shaft is sleeved with a bearing. A shielding cover and a plug block are mounted on the bearing. An opening of the shielding cover is downward and abuts against the inner wall of the conveying roller. The abutting part of the shielding cover is of a flexible structure. The plug block is located in the shielding cover. A press spring is connected between the plug block and the rotating shaft. A material transport mechanism comprises a conveying groove obliquely formed above the conveying roller and a guide plate. A heating mechanism comprises a hot air barrel. A nozzle is arranged on the hot air barrel and faces the position between the fixed press roller and the conveying roller. Through implementation of the above scheme, the effect of nameplate attachment is achieved without a pasting manner.

The invention discloses a guide roller for preventing a wide copper foil from being tightened and an electrolytic copper foil splitting machine, and belongs to the technical field of new energy automobile power battery electrolytic copper foils. According to the technical key points, a first side threaded section and a second side threaded section are arranged on the surface of a guide roller body, and the first side threaded section and the second side threaded section are symmetrically arranged; and the first side threaded section and the second side threaded section are opposite in rotating direction. According to the guide roller for preventing the wide copper foil from being tightened and the electrolytic copper foil splitting machine, the problem that the wide copper foil is wrinkled in a copper foil splitting process can be solved.