10results about How to "Reduce molding process" patented technology

The utility model discloses a fixing structure for a static contact and an electric connecting piece of a contactor, which comprises the static contact and the electric connecting piece, a positioning boss is arranged at the top of the static contact, and the static contact extends outwards around the bottom of the positioning boss by a circle to form a bearing step. The electric connecting piece is arranged on the positioning boss in a sleeving manner and is supported on the bearing step, and the bottom surface of the electric connecting piece is attached to the top surface of the bearing step; wherein the static contact is fixedly connected with the electric connecting piece in a welding manner. According to the utility model, the positioning boss is arranged on the static contact, and the electric connecting piece is sleeved on the positioning boss and is fixed by adopting a more reliable welding process in a fixing mode, so that loosening can be prevented, the assembly is easy, the contact area is increased, the contact resistance is reduced, the contact reliability is ensured, and cost reduction and efficiency improvement are realized.

The invention provides a high-performance high-speed high-density connector which comprises an insulating body, the insulating body is provided with a lengthwise slot which is concavely arranged downwards from the top surface and is used for inserting an electronic module, a plurality of terminal slots are respectively arranged in lengthwise side walls on two sides of the slot, and at least one end of the insulating body is provided with an ear clip accommodating space and a pivoting part which is pivoted with an ear clip; the at least one ear clip is pivoted at one end of the insulating body; the plurality of terminals are respectively accommodated in the corresponding terminal grooves in the two lengthwise side walls in a one-to-one correspondence manner, at least one part of the terminal grooves are internally provided with double-layer terminals, and the rest of the terminal grooves are internally provided with single-layer terminals; one layer of the double-layer terminals in each local area is flush with the single-layer terminals to form a first row of terminals, the other layer of the double-layer terminals in each local area is a second row of terminals, parts of the first row of terminals and the second row of terminals are differential signal terminals and / or single-end signal terminals, and the rest of the first row of terminals and the second row of terminals are grounding terminals; according to the high-performance high-speed high-density connector, a signal transmission channel is added, so that the signal transmission speed is greatly improved.

This utility model discloses a V-shaped engraving structure device for a negative electrode aluminum cover plate, comprising a cover plate body, with an explosion-proof part and a positioning part arranged sequentially from top to bottom. The diameter of the positioning part is larger than the diameter of the explosion-proof part to form a fixing boss. An engraving structure is provided in the explosion-proof part, the depth of which is less than the height of the cover plate body. The engraving structure includes a recessed protective groove, with a buffer shoulder provided around the edge of the protective groove. The cross-sectional width of the buffer shoulder gradually decreases from the distance away from the positioning part to the distance from the positioning part. An explosion-proof ring groove is formed recessed inward towards the positioning part in the protective groove, with the cross-sectional width of the explosion-proof ring groove gradually decreasing from the distance away from the positioning part to the distance from the positioning part to form a deformation-resistant shoulder. This utility model optimizes and improves the engraving structure based on the structural design of the cover plate body as an explosion-proof part and a positioning part, replacing the traditional welded engraving structure. This avoids defects such as incomplete welding and poor welding, and the structure is stable and not easily deformed during production, transportation, and assembly.

The present invention discloses a forming die for the upper shell of an automobile battery box, wherein a first stretching die assembly for first stretching a segment with a maximum height portion on the upper shell of the automobile battery box, a second stretching die assembly for second stretching for integrally forming the upper shell of the automobile battery box, and a shaping die assembly for shaping the corners of the formed product to an arc transition are sequentially arranged between the upper die assembly and the lower die assembly, wherein the first upper die of the first stretching die assembly, the second upper die of the second stretching die assembly, and the shaping upper die of the shaping die assembly are all connected to the upper die assembly, and the first lower die of the first stretching die assembly, the second lower die of the second stretching die assembly, and the shaping lower die of the shaping die assembly are all connected to the lower die assembly. Therefore, it greatly improves production efficiency, saves production costs, avoids welding defects, and also avoids the risk of airtight leakage.

The utility model discloses a vertical aluminum pot die-casting machine which comprises a rack, a bearing table is arranged at the bottom of the rack, a lower die is arranged on the bearing table, an upper die is arranged above the lower die in a matched mode, the upper die and the lower die are matched to form a die-casting cavity, the upper die is fixed to the bottom of a pressing plate, an oil cylinder is fixed to the top of the rack, and an oil cylinder piston penetrates through the top of the rack and is fixed to the top of the pressing plate. An ejection unit is arranged at the bottom of the bearing table and used for ejecting the product out of the lower die. According to the vertical aluminum pot die-casting machine, the machine frame and the oil cylinder, the lower die, the upper die and the top cylinder which are sequentially and vertically arranged are adopted, the space is reasonably utilized, the occupied area is reduced, molten aluminum can be directly poured into the lower die and does not need to be injected into a cavity through a pouring gate, and therefore the steps of cutting off the pouring gate and polishing are reduced, the forming process is reduced, and the production efficiency is improved.

The utility model belongs to the technical field of covering cap forming equipment, and particularly relates to wing diamond covering cap forming equipment with a honeycomb reinforcing structure. The forming die comprises a forming die plate, an installation support is fixedly arranged at the bottom of the forming die plate, the forming die plate is of a rectangular structure, a forming block installation groove is formed in the middle of the forming die plate, a forming block is fixedly arranged in the forming block installation groove, and the forming block is of a diamond structure. A strip-shaped forming part is arranged in the middle of the forming block, an edge forming assembly is fixedly arranged on the upper surface of the forming template, and the edge forming assembly comprises a first forming part, a second forming part, a third forming part and a fourth forming part. The wing diamond covering cap forming equipment is simple in structure and high in product forming efficiency, and products pressed through the forming template are few in forming process, high in product yield and low in damage rate.

According to the pipeline composite forming equipment, an upper die base is connected with a machine tool clamping power assembly, and a lower die base is arranged at the upper end of a mounting base; the upper flanging splicing block is connected with the upper die base, and the lower flanging splicing block is connected with the lower die base. The upper flanging cavity insert is connected with the upper die base and located on the inner side of the upper flanging splicing block. The lower flanging cavity insert is connected with the lower die base and located on the inner side of the lower flanging splicing block. A first cavity is formed between the upper flanging splicing block and the lower flanging splicing block, a second cavity is formed between the upper flanging cavity insert and the lower flanging cavity insert, and a pipeline machining object is contained in the first cavity and the second cavity which are communicated. The shovel base is connected with the upper die base, the pit pressing sliding block is located below the shovel base, and the shovel base drives the pit pressing sliding block to make contact with a pipeline machining object for pit pressing. And the punching die power assembly is used for flaring, chamfering and flanging a pipeline processing object. Forming procedures can be reduced, production efficiency is improved, and the brazing strength of products is high.

The invention belongs to the field of aluminum alloy processing, and particularly relates to a thin-wall deep-cavity multi-rib aluminum alloy host shell production process which comprises the following steps: homogenizing a cast aluminum bar, and cutting the homogenized cast aluminum bar into a blank; symmetrically-distributed axial grooves are machined in the periphery of the blank, and sawtooth-shaped sharp edges are formed; the finished blank is subjected to cold and hot pretreatment of first heating, liquid nitrogen edge cold treatment and reheating; feeding the pretreated blank into a special forging and pressing die for forging and pressing; and finally, a finished product is obtained through quenching, aging, finish machining and anodic oxidation. According to the method, the blank is subjected to surface finishing and special cold and hot pretreatment before forging, so that the problems that the thin-wall deep-cavity multi-rib structure is uneven in side wall thickness and poor in perpendicularity during forging are effectively solved, the quality of an anodic oxide film in a corner angle area is remarkably improved, a film layer is prevented from losing efficacy in advance, and the service life of the film layer is prolonged. And meanwhile, unique mould pressing precipitation lines are formed on the surface of the product and can be used as anti-counterfeiting marks.

The invention discloses a bead chain embroidery machine, and relates to the technical field of jewelry processing. Two chain clamping devices and an embroidery unit capable of rotating around a Z axis are mounted on the rack, and the embroidery unit is arranged between the two chain clamping devices; the two zipper clamping devices are matched with each other; the embroidery unit comprises a Z-axis slewing mechanism, and two embroidery devices which are oppositely arranged in the Y direction are mounted on the Z-axis slewing mechanism; the two embroidery devices are the same in structure, and each embroidery device comprises an embroidery mechanism, a Y-axis swing mechanism and a Y-axis translation mechanism; the embroidery mechanism is installed at the action end of the Y-axis rotation mechanism, and the Y-axis rotation mechanism is installed at the action end of the Y-axis translation mechanism. The chain beads of the bead chain can be subjected to continuous embroidery forming, the forming efficiency is improved, and the labor cost is reduced; and meanwhile, uniform embroidery strength is guaranteed, and the machining precision is improved. Meanwhile, the invention discloses a bead chain processing method.

The utility model relates to production equipment for secondary processing of flame-retardant paper in the field of flame-retardant paper production equipment, which comprises an unwinding mechanism, a solvent pool, a drying box and a winding mechanism, the unwinding mechanism and the winding mechanism are oppositely arranged, one end of the solvent pool is in contact with the output end of the unwinding mechanism, the other end of the solvent pool is connected with a rack, and the drying box is arranged on the rack. A solvent pool is arranged on the machine frame, a traction mechanism is connected to the machine frame, a cleaning pool is arranged on the machine frame, roll paper is placed on the unwinding mechanism, and the roll paper sequentially penetrates through the solvent pool, the traction mechanism and the cleaning pool through the opening end, enters the drying box and enters the winding mechanism from the output end of the drying box. The surface of the roll paper can be uniformly and effectively coated to form a flame-retardant layer, and the formed roll paper is coated for flame retardance according to requirements to form the flame-retardant paper, so that the forming procedures of roll paper raw materials are reduced, the production cost of flame-retardant paper production equipment is reduced, and the production efficiency is improved.