34results about How to "Reduced likelihood of wrinkling" patented technology

The invention discloses a film adhesion device for film active release. The device is characterized by comprising a supporting shaft and a driving device, wherein the supporting shaft is used for supporting an adhesive film roll; and the driving device drives the supporting shaft to rotate. The film adhesion device for the film active release changes the conventional mode of pulling an adhesive film by a film clamping device to drive the adhesive film roll to rotate so as to release the adhesive film into a mode of driving the adhesive film roll by the driving device to rotate so as to release the adhesive film actively. When the adhesive film is pulled by the film clamping device to cover a wafer, a pulling force applied to the adhesive film by the film clamping device can be quite small, so that the adhesive film cannot be deformed by stretching, and the quality of film adhesion is improved.

The invention relates to an NC bending core head for a thin walled tube of aluminum alloy with a major diameter and a design method thereof, wherein the core head comprises an core head(2), a mandrel core pin(1) and a connection member between the core heads(3). Further, the core heads are connected in a ball-and-socket structure manner. The eccentricity delta of the ball centre of the eccentric core (2) in the internal of the core head is delta=h/k, wherein h is the distance between the ball centre of core head and the large end of the core head, and k is the thickness of the core head. The inside radius d0' and the outer radius d0 of the core head, and x2 corresponding to the largest angle theta 2 of the core are determined, so that the relationship between the core distance h and the largest angle theta 2 of the eccentric core is established. Through finite element modeling, the scope of the largest angle theta 2 between the eccentric cores (2) is determined, and furthermore, the value range of h is determined. According to invention, an interference area between rotary core heads, and excess interference between the core heads and the tubing outside arc surfaces are reduced, so as to be suitable for bending and shaping of the tubing under various bending radii. Besides, the possibility of tubing wrinkling and the degree of thinning could be decreased, without increasing the flat degree of tubing.

The invention provides a beam part drawing mold. The beam part drawing mold comprises an upper mold base, a lower mold base, a split concave mold arranged on the upper mold base, a split convex mold arranged on the lower mold base, two flanged convex molds and two flanged concave molds; two drawing ribs are oppositely arranged on two sides of the split concave mold; the extending direction of the drawing ribs is the same with the extending direction of the split concave mold; the two flanged convex molds are respectively arranged at two ends of the split concave mold; the two flanged concave molds are respectively arranged at two ends of the split convex mold; the two flanged concave molds are correspondingly matched with the two flanged convex molds one to one; flanged molding surfaces are arranged at one ends, far from the split concave mold, of the flanged convex molds; and matching surfaces matched with the flanged molding surfaces are arranged at one ends, far from the split convex mold, of the flanged concave molds. The beam part drawing mold can greatly reduce the corrugation possibility of two ends, is better in subsequent positioning effect, and meanwhile, can improve the material utilization rate and the forming effect.

The present invention relates to a method and apparatus for manufacturing an electrode assembly of a secondary battery. The embodiment of the invention provides a method for manufacturing an electrodeassembly of a secondary battery. The method comprises the following steps that: a positive plate and a first diaphragm are compositely connected to manufacture a positive composite plate body; a negative plate and a second diaphragm are compositely connected to manufacture a negative composite plate body; the positive electrode composite plate body and the negative electrode composite plate bodyare wound together to form an electrode assembly, the positive plate and the negative plate are isolated through the first diaphragm and the second diaphragm. According to the method for manufacturingthe electrode assembly of the secondary battery, the yield of the electrode assembly can be improved, the structure of winding equipment is simplified, and the winding working efficiency is improved.

The invention discloses a cable membrane structure shape finding design method based on a particle swarm optimization algorithm, and the method comprises the following steps: selecting the particle swarm optimization algorithm as a basic method for the shape finding of a cable membrane structure through employing a numerical simulation method, determining the optimization steps and flow, and building a cable membrane structure optimization model. Three surfaces with different projection shapes, namely a rotary catenary surface, a saddle surface and a rhombic hyperboloid, are selected as examples, and a shape-finding analysis model of the cable membrane structure is established by a self-programming method; a shape finding form diagram and a membrane surface stress distribution diagram areobtained through shape finding optimization analysis, and a calculation result and an analysis value determined by the particle swarm algorithm for structure shape finding are further obtained, and thus further confirming a membrane initial prestress value with an optimal membrane surface shape finding result and obtaining an optimal cable membrane structure initial shape. And load analysis is performed on the cable membrane structure, and a judgment criterion of the cable membrane structure wrinkling is researched. Through wrinkle analysis on a typical cable membrane structure, the processingmethod for avoiding wrinkles is obtained. Therefore, the optimal shape finding of the cable membrane structure is achieved.

The invention relates to a film laminating device and a film laminating process for a plastic sheet machine, and relates to the field of sheet compounding equipment. The film laminating device comprises a rack, a support, an unwinding shaft, a limiting assembly, a driving assembly, a guiding assembly and a flattening assembly. The limiting assembly is used for positioning the unwinding shaft, the driving assembly is used for driving the unwinding shaft to rotate, the guiding assembly is used for guiding a thin film, and the flattening assembly is used for flattening the thin film. The support comprises a bottom frame and two vertical plates. One ends of the vertical plates are connected with the bottom frame, the two vertical plates are parallel and arranged in a spaced mode, lower grooves for containing the unwinding shaft are formed in the top ends of the vertical plates, the unwinding shaft is placed in the lower grooves, and each limiting assembly comprises a limiting block, a spring bolt, a locking ring and a handle. One ends of the limiting blocks are hinged to the top ends of the vertical plates, and the other ends of the limiting blocks are hinged to the corresponding locking rings. The lock rings are connected with the handles, upper grooves are formed in the sides, close to the lower grooves, of the limiting blocks, and the spring bolts are connected to one sides of the vertical plates and further matched with the locking rings. The film laminating device and the film laminating process for the plastic sheet machine have the effect of enriching the functions of the plastic sheet machine.

The invention discloses a production method for preparing wood products through a dewatering process. A dewatering device is used for dewatering and drying, the dewatering device comprises a dewatering barrel, a fixing box and fixing mechanisms, the fixing box is arranged in an inner cavity of the dewatering barrel, the inner wall of the fixing box is connected with the multiple sets of of fixing mechanisms used for limiting wood products, and the fixing box is rotationally connected with the dewatering barrel through a bearing seat. The top end of the fixing box is rotationally connected with a box cover through a hinge, the top end of the dewatering barrel is connected with a barrel cover through multiple sets of vertical threaded rods, the top end of the barrel cover is connected with a power mechanism connected with the box cover, multiple sets of circulation mechanisms arranged in an annular array communicate between the dewatering barrel and the barrel cover, multiple sets of ventilation channels are formed in the periphery of the fixing box and the top end of the box cover, and multiple sets of supporting legs are connected to the bottom end of the dewatering barrel. By means of the method, the heating dewatering effect can be guaranteed, and the possibility that the surfaces of wood products are wrinkled due to dewatering can be reduced.

The invention relates to a wear-proof, antifouling and crease-resistant pearl bag made from leather. The wear-proof, antifouling and crease-resistant pearl bag made from leather is characterized by comprising a bag body (1), wherein the top of the bag body (1) is provided with a bag button (2); the upper side of the bag body (1) is provided with a bag belt (3); two ends of the bag belt (3) are respectively connected with two ends of the top of the bag body (1), so that the female can take the bag conveniently; multiple rows of sequins (4) arranged closely are embroidered at the surface of the bag body (1); the sequins (4) comprise PET film layers; the upper surfaces of the PET film layers are provided with color alternation layers, and the lower surfaces of the PET film layers are provided with light reflecting layers; the light reflecting layers are composed of microprism resin pyramids; the bottom surfaces of the light reflecting layers are plated with metal protective layers; the metal protective layers are aluminum-electroplated protective layers; a fabric used for the bag body (1) sequentially consists of a textile layer (5), a spongy layer (6) and a waterproof fabric layer (7) from inside to outside. The wear-proof, antifouling and crease-resistant pearl bag made from leather is flashing and beautiful, good in gas permeability, difficult to contaminate and difficult to wrinkle.

The invention relates to a supporting structural member and a display device. The supporting structural member comprises a supporting frame and a driving device, the supporting frame is provided with a screen body supporting face, the supporting frame comprises two supporting bodies and a screen body adapter, the two supporting bodies are connected with each other, one of the two supporting bodies can move relative to the other supporting body in the first direction, and the screen body adapter and the movable supporting body can move relative to each other in the first direction. The driving device comprises a driving assembly, the driving assembly drives one of the two supporting bodies to move relative to the other supporting body, and the driving assembly drives the screen body adapter and the moving supporting body to move in the same direction in the first direction. Wherein the driving assembly drives one of the two supporting bodies to move at a first speed V1 relative to the other supporting body, the driving assembly drives the screen body adapter to move at a second speed V2 relative to the other supporting body, and V2 is larger than V1. The supporting structural member can be used for changing the size of the display area, and daily requirements of people are met.