8results about How to "Improve injection quality" patented technology

The utility model relates to the technical field of LED (light-emitting diode) lampshade production, in particular to an ultra-thin LED lampshade injection mold with an automatic stripping function, which comprises a square bottom frame and an L-shaped top frame, the L-shaped top frame is fixedly mounted on the top surface of the square bottom frame and positioned at a frame at one end, and a lower mold cylinder is movably arranged in the square bottom frame; the outer wall of the lower mold barrel is intermittently impacted to accelerate removal of bubbles in liquid in the inner cavity, the quality of an injection-molded lampshade can be improved, the injection molding efficiency is improved, the injection molding time is shortened, the production cost is reduced, and the production cost is reduced. According to the injection molding device for the ultrathin Led lampshade, separation and stripping of the formed lampshade body and the inner wall of the lower mold cylinder can be assisted, on the basis, the lampshade body attached to the upper pressing block can be stripped conveniently through matched abutting and pressing of the abutting rod and the abutting disc assembly, multi-directional auxiliary stripping is achieved, and then the injection molding efficiency of the ultrathin Led lampshade is improved.

The utility model relates to the technical field of injection molds, in particular to a high-stability ABS draw-bar box injection mold which comprises a top plate and supporting rods, the lower end of the top plate is symmetrically and fixedly connected with the two supporting rods, the lower end of the top plate is provided with a cleaning structure, and the lower ends of the supporting rods are fixedly connected with supporting blocks. And one end of each supporting block is fixedly connected with the lower die. According to the high-stability ABS draw-bar box injection mold, through cooperation of the cleaning structure and the upper mold, a first straight rod can be inserted into an exhaust pipe to cut off raw materials in the exhaust pipe and push the raw materials out of the exhaust pipe, in the same way, a second straight rod cleans the inner wall of an injection molding pipe and cleans and collects the pushed-out waste materials, then mold closing is conducted, and therefore the injection molding efficiency is improved. And the exhaust pipe and the injection molding pipe can be cleaned, so that the device cannot be influenced by air pressure during use, more stable operation and machining are realized, and the injection molding quality is improved.

This utility model provides a plastic toy injection molding device, belonging to the field of toy injection molding technology. It includes a set of uprights, with multiple stabilizing rods fixedly connected to the side walls of the uprights. A movable plate is slidably mounted on the stabilizing rods, and a movable sleeve is fixedly connected to the side wall of the movable plate. A first mold is fixedly connected to the movable plate. A stabilizing plate is fixedly connected to the side wall of the uprights, and multiple sliding plates are mounted on the top of the stabilizing plate. Multiple springs are fixedly connected to the ends of the sliding plates, and the ends of the springs are fixedly connected to the side walls of the uprights. A first rack is fixedly connected to the sliding plates. A rotating shaft is rotatably connected to the movable sleeve, and a gear is fixedly mounted on the rotating shaft. Multiple push rods are slidably connected inside the movable sleeve, and a second rack is fixedly connected to the bottom of each push rod. This utility model uses external compressed air to eject the injection molded part located in the mold groove, ensuring that the surface of the injection molded part is not mechanically damaged, which is beneficial to improving the injection molding quality.

The utility model discloses a kind of feeding devices of injection molding machine, including sequentially communicating hopper, conveying pipe and material cylinder, the pressure-maintaining cavity for storing material is in the material cylinder, the pusher rod is slidably connected in the pressure-maintaining cavity, the pusher rod is connected with the hydraulic cylinder for driving it to move, the oil circuit of the hydraulic cylinder is connected with the pressure relief valve for maintaining the pressure in the pressure-maintaining cavity, by setting the pressure-maintaining cavity for storing material in the material cylinder, after raw material is conveyed to the pressure-maintaining cavity by conveying pipe, when the pressure in the pressure-maintaining cavity is too large, the pressure in the pressure-maintaining cavity can be kept constant by pressure relief valve, so as to ensure that raw material can be fully foamed in the pressure-maintaining cavity with constant pressure, guarantee the uniformity of raw material foaming, so that subsequent injection into mold forming can well guarantee the quality of product, finally effectively improve foaming uniformity and injection quality.

The utility model discloses a packaging device for semiconductor processing, which belongs to the technical field of packaging devices and comprises a packaging workbench, a position adjusting base plate is fixed in the packaging workbench, and a packaging positioning mechanism is arranged on the upper portion of the position adjusting base plate. By means of the packaging positioning mechanism, synchronous distance adjustment of a plurality of mold clamping shells can be achieved by controlling the extrusion degree of the lifting stroke of the positioning circular truncated cone to the four abutting blocks, a plurality of packaging shell molds can be clamped in a centralized mode, multiple sets of packaging operation can be completed through one-time glue injection by means of the glue injection box communicated with the packaging shell molds, and the packaging efficiency is improved. The packaging efficiency is greatly improved, the production time cost is reduced, and the large-scale production requirement is met; in addition, the mold clamping shells can slide in the position adjusting guide grooves, the distance between the mold clamping shells is increased when the position adjusting circular truncated cone is controlled by the electric push rod to ascend, sufficient space is provided for operators, and the packaging shell mold containing the electronic device can be conveniently, rapidly and easily embedded into the mold clamping shells.

The application discloses a manufacturing method of a plum-blossom liquid pump stator, which comprises the following steps: S1, metal body casting forming, S2, first injection molding monomer and second injection molding monomer installation, S3, upper mold installation, S4, engineering plastic layer one-time injection molding forming and demolding, and S5, engineering plastic layer secondary injection molding forming and demolding. The application can realize the secondary injection molding forming of the engineering plastic layer, improve the connection strength and stability between the engineering plastic layer and the metal body, prevent the engineering plastic layer from falling off in the injection molding process and affecting the processing quality and stability of the stator, effectively control the deformation amount of the engineering plastic layer, and improve the working stability of the plum-blossom liquid pump.