158results about How to "Simple mold structure" patented technology

The invention provides a rotary extrusion secondary forming die for a novel pipe fitting for decoration. The rotary extrusion secondary forming die comprises an inner forming male die mechanism and an outer forming female die mechanism. The inner forming male die mechanism comprises a male die, a male die guiding mechanism, a balance mechanism and a rotation mechanism. The outer forming female die mechanism comprises at least two outer forming female die pieces and a locking mechanism. The male die guiding mechanism comprises a male die transmission medium, a male die stretching and retracting control mechanism and an end cover. The balance mechanism is a swing mechanism and arranged between the pipe fitting to be formed and the inner forming male die mechanism. The rotation mechanism and the male die guiding mechanism are coaxial and are connected through a fastening screw. The inner wall of each outer forming female die piece is provided with a groove matched with the outer surface of the male die in shape. The outer forming female die pieces are locked through the locking mechanism. The rotary extrusion secondary forming die for the novel pipe fitting for decoration is compact in structure, easy to install and stable in operation. The shape which is difficult to form by the adoption of the prior art can be formed on the pipe fitting. According to the rotary extrusion secondary forming die for the novel pipe fitting for decoration, a cold forming method is adopted, the pipe fitting does not need to be heated, and the working environment is good.

The invention relates to a pipe fitting punch die based on a flexible slide block and a method. The die comprises a lower die holder, a position pipe, a drain plug, a terrace die, a die, a fixed plate, a base plate, a spring, a push rod, a die handle, an upper die holder, another fixed plate, a floating wedge, a supporting seat, polyamine, a filling block, solid particles and the like, wherein an inner cavity of the position pipe is internally provided with the solid particles, the terrace die vertically arranged is movably arranged in a radial hole of the position pipe, one end of the terrace die is positioned among the solid particles, the upper end of the floating wedge vertically arranged is connected on the upper die holder, the lower end thereof passes through the position pipe to be contacted with the solid particles, the filling block is arranged between the lower die holder and the position pipe to support the position pipe, and the position of the filling block corresponds to the position of the terrace die. The invention drives the terrace die to move outward to punch by taking the solid particles as the slide block, is particularly suitable for multi holes to simultaneously punch outward, has simple structure and high efficiency, and is easy to take pieces due to outward bristles of the punch.

The invention relates to a set-top box and a preparation method thereof. The set-top box includes a body with an accommodating space and a cover body which covers the body and is used for closing the accommodating space; the body is provided with a first outer surface; the cover body is provided with a second outer surface; the first outer surface and the second outer surface are arranged back to back; the central area of the first outer surface and/or the second outer surface is provided with a pouring entering opening which is formed in molding; and a plurality of heat dissipation holes which are communicated with the accommodating space are formed around the pouring entering opening. The invention also relates to a preparation method of the set-top box. According to the set-top box and the preparation method thereof of the invention, the array-shaped heat dissipation holes are formed around the pouring entering opening, and welding wires are covered through a surface texture etching technology, and therefore, the product can have a beautiful appearance, and the structure of required moulds can be greatly simplified, and production processing can be optimized, and cost for the moulds can be reduced, and unit cost of the product can be eventually decreased.

The invention relates to a curved-surface LED display backboard stamping die machining method. The method is characterized in that used raw materials are sheets, the sheets are formed into curved-surface sheet bodies on first project curved surfaces, and other subsequent processes such as trimming, convex hull shaping, clamp hook forming, hole stamping, engraving, burr pressing, little bending, engraving, sprouting and complete-cycle bending are all finished on the formed curved-surface sheet bodies. During curved-surface forming, a male die, a female die and a pressure plate are provided, the working surface is a curved surface, pressing ribs are arranged on the die pressure plate, stretching and curved-surface stabilization are facilitated, and accordingly production efficiency is increased, and waste is reduced.

The invention discloses a rapid heating and cooling system of an injection mould. The rapid heating and cooling system comprises four closed loops which can be independently controlled to be connected or disconnected, wherein the closed loops are respectively used for inputting/outputting a hot fluid medium for a mould cavity plate, and inputting/outputting a cold fluid medium for the mould cavity plate; the mould cavity plate comprises at least one fluid medium input main pipeline, a fluid medium output main pipeline and a plurality of branch pipelines for connecting the fluid medium input main pipeline with the fluid medium output main pipeline, the branch pipelines are internally provided with heating elements, and gaps are reserved between the heating elements and installing hole walls. The invention also provides a rapid heating and cooling method of the injection mould. The rapid heating and cooling method comprises a mould heating stage, an after heating stage, a cooling stage and an after cooling stage. The rapid heating and cooling system and device provided by the invention have the outstanding characteristics that the regulation and control range of the temperature of the mould is large, the heating cooling efficiency and energy use ratio are high, the structure is compact, the operation is reliable, the maintenance is convenient, and the cost is low.

The invention relates to an injection molding impeller of an automatic aerator. The injection molding impeller is mainly composed of a conical body, blades, a fixed plate, an upper support plate and a lower support plate and the like, wherein the fixed plate is provided with a connection hole; the fixed plate is connected with the conical body through the upper support plate and the lower supportplate; the outer conical surface of the conical body is connected with a plurality of blades; the back side B of each blade is provided with a reinforcing rib to support the blade; and a window is arranged in the space of the reinforcing ribs. The mold of the automatic aerator is mainly composed of a movable die, a stationary die and the like, wherein the movable die is provided with a main core and a plurality of subsidiary cores; the subsidiary cores enter the stationary die; the sides of the subsidiary cores are matched with the stationary die to form the upper support plate and the window; the main core is arranged in the mold; the cavity of each blade is provided with a movable block and a stationary block; the movable blocks are connected with an angle ejector rod; a workpiece and the angle ejector rod are pushed out together by a demoulding mechanism in demoulding; the movable block slides out obliquely by virtue of the angle ejector rod; and the workpiece is straightly pushed out under the guiding of the subsidiary core and is separated from the movable block.

The invention relates to a resin-sealing method and a resin-sealing apparatus for electronic components. According to the invention, the high-mobility resin material is adopted in the simple resin-sealing method. Meanwhile, the manufacturing cost of the apparatus for resin-sealing electronic components is lowered and the maintenance operation on the apparatus for resin-sealing electronic components is simplified based on a simple mold structure. The resin-sealing apparatus comprises resin sealing molds composed of an upper mold and a lower mold. The upper mold and the lower mold are opened and closed by means of a mold opening/closing mechanism. A cavity block can be moved to the parting surface of the upper mold along the mold opening/closing direction by means of a floating mechanism with a floating pin. On the parting surface of the upper mold, a cavity and a vent groove in communication with the cavity are arranged. The connection part of the cavity with the vent groove is provided with an embedded hole oriented towards the mold opening/closing direction. A vent block is arranged on a floating pin retaining frame corresponding to the embedded hole along the mold opening/closing direction. The vent block can slide to be tightly installed into the embedded hole.

An image forming apparatus of the present invention includes a resin frame composed of a resin and an image forming unit that is removably inserted in the resin frame. The resin frame includes a base having a supporting surface that supports the image forming unit, a guide portion that extends in the base in an insertion direction in which the image forming unit is inserted along the supporting surface and that guides the image forming unit in the insertion direction while limiting movement of the image forming unit in an orthogonal direction that is orthogonal to the insertion direction, and a side plate portion that is provided at a peripheral edge of the base so as to extend in a direction perpendicular to the supporting surface, the base, the guide portion, and the side plate portion being integrally molded from a resin. A mold opening direction of a mold for molding the guide portion is set to a direction parallel to the orthogonal direction, and downstream end portions of the side plate portion in the mold opening direction are integrally connected to each other and extend essentially parallel to the perimeter of the base.

An electric one-bag golf cart that carries a single caddie bag for a player on a golf course is provided. The cart body, including a chassis part, a neck part and a steering device part, is formed as an integral hollow piece using the rotational molding method. The wheel system provided under the chassis consists of one front wheel and two rear wheels, with the front wheel being mounted pivotally on a suspension as a free wheel, while the rear wheels are driving wheels using a differential gear device driven by a motor. At the center of the handlebars, which are made of circular rods, a dial-type speed controller is located, and a brake lever is provided under the steering device, together with a lock mechanism.

The invention provides a flat-panel display device which comprises a backlight system and a display panel, wherein the backlight system comprises an LED (Light Emitting Diode) light source, a back frame and a PCB (Printed Circuit Board), wherein the LED light source comprises an LED lamp and an LED substrate; the LED substrate comprises a first lead layer, a first insulating layer, an aluminum substrate, a second insulating layer and a second lead layer which are sequentially overlapped; and the LED lamp is arranged on the first lead layer. The back frame is used for bearing the LED light source and comprises at least two main splicing members which are spliced to form a main framework of the back frame; and the PCB is arranged on the second lead layer of the LED substrate. The invention also provides a stereoscopic display device. According to the flat-panel display device and the stereoscopic display device provided by the invention, the cost of a back frame die can be reduced; in addition, the material and the space of the back frame are saved, so that the cost of the flat-panel display device and the cost of the stereoscopic display device are reduced.

A lock arm (33) is arranged on the upper surface of a female connector housing (27), and lock-arm protection walls (37) stand at opposite widthwise sides of the lock arm (33). Detector protection walls (38) are provided behind the lock-arm protection walls (37), and first and second lock receiving portions (43, 44) are formed on the inner surfaces thereof. Two inwardly deflectable locking arms (56) are formed on a detector (39) and locked to the first or second lock receiving portions (43, 44) to restrict a backward movement when the detector (39) is at an initial position and a detecting position. The locking arms (56) are arranged utilizing dead spaces behind the lock-arm protection walls (37).

A mold for resin-seal-molding an electronic component is constituted by a first mold and a second mold. At a mold face (PL face) of the molds, a substrate supply-set surface having a flat shape without a step is provided. A pot block is joined with and separated from a side position of the mold intersecting perpendicularly with the mold face (PL face) of the molds. In a state where the mold face and the pot block are joined, a molten resin material in the pot block is injected into a cavity. The overall structure of the mold for resin-seal-molding an electronic component mounted on the substrate is simplified. Additionally, when resin-seal-molding the electronic component, a problem of variation in the thicknesses of the substrates is solved. Thus, resin flash formation on the substrate surface is prevented.

A connector includes a housing body and an attachment component that is inserted in a component containing space of the housing body. The attachment component has a side wall extending in an insertion direction of the attachment component into the component containing space. The housing body includes a provisionally retaining portion and a completely retaining portion. The attachment component has a first projection portion which is retained to the provisionally retaining portion at a provisionally retaining position. The attachment component has a second projection portion which is retained to the completely retaining portion at a completely retaining position. The side wall includes a wave shaped plate section having elasticity, and the wave shaped plate section has the first and second projection portions which are formed in a shape of a wave progressing along the insertion direction.

A lever (40) is formed with resilient arms (48) cantilevered in a direction substantially perpendicular to rotary shafts (15) of the lever (40) and intersecting with a circumferential direction about the rotary shafts (15), and locking projections (49) projecting from extending end parts of the resilient arm pieces (48) and configured to hold the lever (40) at an initial position by entering locking holes (20) and being locked. The locking hole (20) is formed with a locking edge part (21) located on a surface of a housing (10) facing the lever (40) and configured to lock the locking projection (49) and a recess (23) formed by recessing an inner surface part on a deeper side than the locking edge part (21), and the locking projection (49) is formed with a hooking portion (53) configured to enter the recess (23) while being locked to the locking edge part (21).

A molded product assembly includes a molded product being mountable to a body to be mounted having a mounting hole via a fastener. The molded product has a post projecting toward the mounting hole and disposed on a back surface of the molded product, at least a part of the post projecting through the mounting hole to a back surface side of the body to be mounted in mounting the molded product to the body to be mounted, and a holding portion disposed on the part of the post to hold the fastener. The fastener has a portion to be held that is held by the holding portion, and an elastic engagement leg being elastically deformable and having an engagement portion to be engaged with a peripheral edge of the mounting hole, the elastic engagement leg being located on the back surface side of the body to be mounted.

The invention discloses a semi-solid horizontal extrusion mold for double-layer composite pipes and application thereof, and relates to the technical field of production of double-layer metal composite pipes. The mold comprises a base, an extrusion sleeve, an extrusion rod, an inner extrusion mold and an outer extrusion mold. The mold, providedby the invention, is simple in structure and convenient for manufacturing and use, can be applied to continuous production of metal composite pipes with different inner and outer materials, and is low in energy consumption, short in flow, flexible in structure and excellent in reusability, interfaces can reach high strength of metallurgical bond,and high-quality and high-efficiency semi-solid extrusion molding can be realized.

The invention discloses a twisting mold of flat steel and a flat steel twisting method. The twisting mold of the flat steel comprises a base, a supporting seat I, a supporting seat II and a rotating block, the supporting seat I and the supporting seat II are fixedly arranged on the upper surface of the base in a face-to-face mode, the rotating block is arranged between the supporting seat I and the supporting seat II, and the rotating block is rotatably and movably connected with the supporting seat I; the rotating block is provided with an inserting groove I, the supporting seat II is provided with an inserting groove II, the inserting groove I and the inserting groove II are arranged in a fact-to-face mode, and the shape and the size of the inserting groove I and the inserting groove II are matched with the size and shape of the portion to be clamped of the flat steel to be processed; a rotating and driving unit drives the rotating block to rotate relative to the supporting seat I; a distance which matches with the length of the flat steel is reserved between the rotating block and the supporting seat II. The twisting mold of the flat steel has a simple structure and guarantees the twisting accuracy through the structure of the twisting mold of the flat steel. According to the flat steel twisting method, a mechanical cold working mode is utilized, material damage caused by uneven heating is avoided, meanwhile, the labor intensity of workers is reduced and the processing efficiency is improved.

A connector (1) includes a plurality of connector terminals (3), core resin portions (2A), (2B), nuts (4) and an outer resin portion (5). A plurality of the nuts (4) are arranged to face a nut facing surface (21A) of the core resin portion (2A). The outer resin portion (5) covers the core resin portions (2A), (2B) and the nuts (4) with exposed surfaces (25) of the core resin portions (2A), (2B) and outer end surfaces (41) of the nuts (4) exposed. Injection marks (51) during molding of the outer resin portion (5) are formed on a surface of a part of the outer resin portion (5) covering an opposite side surface (22B) located on a side opposite to the nut facing surface (21A).

The invention discloses an X-shaped support structure device, which comprises a rubber elastic ring 17, a membrane switch sheet 11 and an inner frame connecting rod 3, wherein the upper end and the lower end of an outer frame connecting rod 6 are connected with the membrane switch sheet 11, a keycap 14 and a support plate 9. The device is characterized in that: a sliding middle shaft fitting part 29 on a sliding middle shaft 28 which is positioned on a connecting rod and a rotating pivot shaft fitting surface 30 on a rotating pivot shaft 31 are in sliding fit with a pivot groove sliding circular surface 20 on another connecting rod and in running fit with a pivot groove arc surface 25; and the pivot groove sliding circular surface 20 shares a circle center with the pivot groove arc surface 25. The X-shaped support structure device greatly simplifies a mold structure, greatly lowers mold manufacturing cost, greatly enhances the intensity and rigidity of a pivot shaft of an X-shaped support structure, greatly enhances the durability, overcomes the influence of sticky liquid on the X-shaped support structure device, further enhances product quality and can be widely applied to computer keyboards and key switch devices for key pressing operation.

The invention discloses a mechanism capable of realizing two times of core pulling and forcible hole stripping operation by virtue of a slide. The mechanism is arranged on a mold and is characterized by comprising an oil cylinder, a slide body, a slide head, a threaded limiting sleeve, and U-shaped buckle lateral pins and a U-shaped buckle center pin which are capable of extending to a mold core of the mold, wherein a piston rod of the oil cylinder is connected to the slide body, the slide body and the slide head are slideably connected to a bottom frame, the U-shaped buckle lateral pins are fixedly arranged on the slide body and slideably penetrate through the slide head, and the U-shaped buckle center pin is fixedly arranged on the slide head; the U-shaped buckle center pin is provided with a protrusion part used for forming an inner undercut structure of an injection product; the threaded limiting sleeve is connected between the slide body and the slide head; a limited travel pull rod is slideably arranged inside the threaded limiting sleeve, and the end of the limited travel pull rod is fixed on the slide head; the slide head is provided with a U-shaped buckle forming hole leading to the mold core of the mold, and the U-shaped buckle center pin is arranged in the U-shaped buckle forming hole in a penetrating manner; and the bottom frame is fixedly provided with a travel switch used for detecting the moving travel of the slide head.