36results about How to "Avoid mutual dislocation" patented technology

The invention discloses an EPP seat foaming die and a foaming technology. The EPP seat foaming die comprises an upper template and a lower template. An upper die core is arranged in the upper template, and a lower die core is arranged in the lower template. A plurality of positioning blind holes are formed in the edge position of the lower surface of the upper die core. Magnetic inserts are embedded in the positioning blind holes. A framework steel wire is adsorbed to the bottom of each magnetic insert. The adjacent framework steel wires are connected in an end-to-end manner, and the shape matched with the outer edge of a seat product is defined by all the framework steel wires. According to the foaming technology, the magnetic inserts are embedded in the corresponding positioning blind holes in the upper template, the framework steel wires connected in the end-to-end manner are stably adsorbed to the bottoms of the magnetic inserts, the upper template and the lower template are assembled and combined into the foaming die, and after EPP foam particles are subjected to pressure loading, the EPP foam particles are injected into the die through a spray gun to be formed. Through the foaming technology and the foaming die matched with the foaming technology, the EPP raw materials and the framework steel wires can be integrally formed, the strength of the edge of a formed seat body is improved, and accordingly staggering of the pressurized seat and a seat cover is avoided.

The invention provides a cable core longitudinal wrapping production line and a cable core longitudinal wrapping sizing die device. The sizing die device comprises a sizing die which comprises an upper die and a lower die, the upper die and the lower die are buckled together when used, the opposite buckling side faces of the upper die and the lower die are each provided with an arc-shaped groove, and a sizing hole through which a cable core penetrates is formed by the arc-shaped grooves when the upper die and the lower die are buckled. The sizing die device further comprises a sizing die base used for supporting the sizing die, the sizing die base comprises an upper die base body and a lower die base body, the upper die base body and the lower die base body are detachably assembled together and are close to each other in the vertical direction so as to fixedly clamp the upper die and the lower die, the opposite side faces of the upper die base body and the lower die base body are each provided with an assembling groove, and an assembling hole matched with the appearance of the sizing die in an inserted mode when the upper die base body and the lower die base body are assembled. When local damage is caused to the sizing die, the upper die or the lower die can be replaced, and maintenance cost is reduced; besides, during replacement, the upper die base body and the lower die base body can be directly disassembled, the upper die or the lower die needing to be replaced is taken out, and operation is convenient.

The invention provides a chemical vapor deposition furnace. The furnace comprises a furnace body; an upper furnace cover which is arranged at the upper portion of the furnace body and is detachably fixedly connected with the furnace body in a sealing manner; a lower furnace cover arranged at the lower portion of the furnace body and in sealed detachable fixed connection with the furnace body; and a lower furnace cover elevating mechanism fixedly connected with the lower furnace cover to make the lower furnace body removed from the fixed furnace body drive the lower furnace cover to fall in order to discharge and drive the lower furnace cover after discharge to rise to be combined with the furnace body. The chemical vapor deposition furnace also comprises a forward / backward pushing mechanism arranged just below the lower furnace cover, and the forward / backward pushing mechanism makes the lower furnace cover elevating mechanism drive the falling lower furnace cover to fall on the forward / backward pushing mechanism and forward / backward move to the periphery in order to carry out discharging and charging. The furnace body, the upper furnace cover and the lower furnace cover adopts a water cooling interlayer and a heat insulating layer respectively. The mutual dislocation of the furnace body in the repeated dismounting process is avoided; the discharging and the charging are safe and reliable, and are convenient to operate; and the stability of the thermal field in the furnace is stable, and the high temperature work safety is improved.

The invention relates to the field of fuel cells, in particular to a membrane electrode packaging structure and a packaging method. The membrane electrode packaging structure comprises a top surface gas diffusion layer and a bottom surface gas diffusion layer, a frame and a catalyst coating film which are mutually stacked are clamped between the two gas diffusion layers, the catalyst coating filmis bonded and fixed on the top surface of the frame, only one frame is arranged, the part, bonded with the catalyst coating film, of the top surface of the frame is concave, the catalyst coating filmis bonded on the bottom wall of the concave part, and the inner side wall of the concave part blocks the periphery of the catalyst coating film. The packaging structure can reduce the production costand reduce the air leakage risk of the sealing area.

The invention provides a medical instrument implant post-release device, and relates to the field of medical instruments, a first center hole is formed in a first locking part, a first cutting groove is formed in the peripheral surface of the rear end of the first locking part, and a first curved surface is formed on the top surface of a groove body of the first cutting groove; a second center hole is formed in a second locking part and communicates with a pipe cavity of the slender pipe, a second cutting groove is formed in the circumferential surface of the front end of the second locking part, a second curved surface is formed on the top surface of a groove body of the second cutting groove, and an anti-falling limiting part is connected to the front end of the second locking part; in the locking state, the first curved surface and the second curved surface are buckled with each other, the front end of a control cable penetrates through the first center hole and the second center hole, and the anti-falling limiting part is matched with the control cable to limit the front end of the second locking part in the first cutting groove. The post-release device at least relieves the problem that in an existing post-release device capable of mechanically releasing a medical instrument implant, once the medical instrument implant is separated from a conveying pipe, the medical instrument implant cannot be withdrawn back to the conveying pipe, and consequently mistaken thrombus can be possibly caused.

The invention relates to a photosensitive drum for a laser printing machine. The photosensitive drum comprises a photosensitive part and a transmission part, wherein the transmission part is fixed on one side of the photosensitive part along the length direction of the photosensitive part; a cylindrical stress block is arranged at one end, which is back on to the photosensitive part along the length direction of the photosensitive part, of the transmission part; four blind holes which are inwards sunken along the axial direction are formed in the outer end wall, which is back on to the photosensitive part, of the stress block along the axial direction; the blind holes are provided with continuous hole walls on the axial cross section of the stress block; on the axial cross section of the stress block, the four blind holes are symmetrically distributed relative to the radial center of the stress block; the stress block of the photosensitive drum is accurately aligned to a driving head of the laser printing machine, so that the required rotating driving force can be obtained stably from the laser printing machine.

The invention relates to an air-drop type storage-transportation packaging box convenient to stack and a preparation method of the packaging box, belonging to the package and transportation fields. The packaging box comprises a box body and a box cover which are mutually buckled, wherein the box body and the box cover are prepared from the following raw materials in parts by weight through rotational molding: 50-70 parts of linear low density polyethylene, 50-70 parts of low density polyethylene, 40-80 parts of high density polyethylene, 10-30 parts of medium density metallocene polyethylene and 1-6 parts of a coupling agent; and rig grids are arrayed at the bottom of the box body or the top of the box body or the box cover in a matrix manner, the rig grids at the top of the box body or the box cover are mutually seamed and clamped with the rig grids at the bottom of the box body on an upper layer so as to form embedding and splicing type anti-dislocation stacking structure. The packaging box is produced from the polyethylene materials with different densities through mixing and rotational molding, and modularized rid grid structures are arranged at the top and the bottom of the packaging box, so that the strength, impact resistance and packaging efficiency of the packaging box are improved, and the mutual stable stacking of different specifications of packaging boxes is realized.

The invention provides a puncher forming punch holes more than the number of punching blades along the end edge of paper sheets and accurately specifying positions where the punch holes are to be formed. This puncher (10) comprises: a base (12) having a support surface (11) for a sheet of paper (P); the punch blades (24) for punching the sheet (P); and an operation lever (18) for vertically moving the punch blades (24). A position restraining member (31) mounted on the base (12) disappearably to the upper surface side. The position restraining member (31) restrains the position of the side end edge (P1) of the sheet (P) perpendicular to the insertion side end edge (P1) thereof so that the punch holes of two times the number of the punch blades (24) can be formed in the positions symmetrical with respect to the center of the insertion side end edge (P1). A centering member (30) is provided in the base (12), and used as an extended support surface.

The invention discloses a reinforcing rib making die for a ribbed superposed concrete prefabricated member. The die comprises a first template and a second template which are arranged corresponding to each other; the sections of the first template and the second template respectively consist of a vertical plate body and a horizontal plate body positioned at the lower part of the vertical plate body and are L-shaped; a first elastic lining film and a second elastic lining film are respectively arranged on the inside walls of the first template and the second template; the mutually corresponding edges of the first lower lining film and the second lower lining film are respectively concave-convex; a first baffle plate and a second baffle plate are respectively arranged between the first template and the second template and are respectively in contact with the first elastic lining film and the second elastic lining film; the first baffle plate is provided with a first steel bar hole and asecond steel bar hole; and the second baffle plate is provided with a third steel bar hole and a fourth steel bar hole. The die has the remarkable characteristics of standardization, strong interchangeability, simplicity and convenience in disassembly and assembly, no need of die release treatment and capability of meeting industrialized production of concrete prefabricated members.

A photosensitive drum (101) for a laser printer comprises a photosensitive component (114) and a transmission component (115). The transmission component (115) is fixed on one side of the photosensitive component (114) along the lengthwise direction thereof. One end of the transmission component (115) along the length direction of the photosensitive component (114) that faces away from the photosensitive component (114) is provided with a cylindrical stressed block (117). An external end wall of the stressed block (117) along the axis direction thereof that faces away from the photosensitive component (114) is provided with a blind hole (121) recessed inwardly along the axis direction thereof. The blind hole (121) is provided with a continuous hole wall on an axial cross section of the stressed block (117). The number of blind holes (121) is four. On the axial cross section of the stressed block (117), four blind holes (121) are symmetrically distributed relative to the radial centre of the stressed block (117). The stressed block (117) of the photosensitive drum (101) and a driving head (119) of the laser printer are positioned to be aligned accurately, thus stably acquiring the required rotational driving force from the laser printer.

The invention discloses an assembled geocell which comprises a first geocell body, a second geocell body, a third geocell body and a fourth geocell body, and the first geocell body, the second geocell body, the third geocell body and the fourth geocell body are the same and / or different in shape and size. Movable rods are moved out of rotating sleeves through rotating the rotating sleeves and the spiral effect of the rotating sleeves and the movable rods till the ends of the movable rods of the two connecting devices make contact with each other, the joint of the two movable rods can be sleeved with a rubber sleeve, the ends of the two movable rods are prevented from being staggered, and the rotating sleeves continue to be rotated; the distance between the two connecting devices is limited by utilizing the extending lengths of the two movable rods, and the volumes of the first geocell body, the second geocell body, the third geocell body, the fourth geocell body and the central space of the four geocell bodies are further changed under the cooperation of a second nut, a first frame plate and a second frame plate. The whole geocell can meet the building requirements of different working conditions, and the whole geocell is convenient to install.

The invention relates to packaging materials for agricultural harvested crops, in particular to a material formula and a production process for wrapping automatic packaging films used for harvesting and packaging operations such as cotton and silage. Winding automatic packaging film material formula, measured by mass percentage, including the following raw materials: linear low-density polyethylene, high-pressure low-density polyethylene, metallocene polyethylene, color masterbatch, anti-aging agent, ultraviolet absorber, antistatic agent; winding The production process of automatic packaging film mainly includes: material preparation; film blowing; glue coating; making roll film unit; roll film unit is connected to form a finished roll film. Utilizing the material formula, the prepared packaging film material has moderate thickness, stable anti-aging and anti-static properties, high anti-buffer strength, good retraction rate and good puncture resistance. The production process of the present invention is reasonable in process design, economical and practical, so that the sealing mouth of the material is tight and firm, and the produced packaging film can be quickly separated during the packaging process of the material.