39results about How to "Improve mold opening efficiency" patented technology

The invention discloses a strain-preventing injection mould. The strain-preventing injection mould comprises a cavity insert and a core insert, an inclined guide pillar, a sliding block and a stop dog, wherein a cavity of a product to be processed is formed between the cavity insert and the core insert; the inclined guide pillar and the sliding block are positioned on one side of the cavity; the stop dog is arranged in the cavity insert, and the lower end of the stop dog is mutually contacted with the outer side surface of the product to be processed. According to the strain-preventing injection mould provided by the invention, the product has a deep rib position, the stop dog is arranged to effectively block the product, so that the product is prevented from straining; the strain-preventing injection mould provided by the invention has the characteristics that the installation is simple, the process is simple, the mould opening efficiency is high, and the production efficiency is improved. The structure of the strain-preventing injection mould provided by the invention is arranged in the inserts, and thus, the structure is suitable for a mould at which a thimble can not be arranged in a small sliding block.

The invention discloses a plastic compression mold opening device which comprises a base, wherein hydraulic ejection mechanisms are arranged at two sides of the base; the ejection end of each hydraulic ejection mechanism is connected with an ejector block; and a fixing part used for fixing a lower mold plate of a plastic compression mold is arranged on the base. According to the plastic compression mold opening device, when the plastic compression mold needs to be subjected to mold opening, the plastic compression mold is arranged on the base, the lower mold plate of the plastic compression mold is fixed by virtue of the fixing part, the hydraulic ejection mechanisms at two sides of the base are started, the ejector blocks are pushed to move upwards by virtue of the hydraulic ejection mechanisms, an upper mold plate of the plastic compression mold is ejected upwards by virtue of the ejector blocks so as to slowly separate the upper mold from the lower mold of the plastic compression mold, and mold opening is stopped after separation is ended. The device is simple in structure and high in mold opening efficiency; and moreover, the mold opening pressure is stable, the safety and the reliability are high, and the condition that the product is damaged due to improper mold opening is avoided.

The invention discloses a spherical hinge die. The spherical hinge die comprises an upper die, a lower die and a middle die clamped between the upper die and the lower die, wherein the upper die, the middle die and the lower die are encircled to form a product vulcanization area; the product vulcanization area is isolated from the upper die and the lower die by virtue of an insert respectively; a rubber material is injected in a spherical hinge vulcanization area from a rubber injection hole of the upper die; and a rubber injection plug used for pressing the rubber material in the rubber injection hole of the upper die is arranged above the upper die. The spherical hinge die is characterized by further comprising a die opening device used for automatically separating the upper die from the rubber injection plug, and a pull rod device used for separating the upper die from the middle die. According to the spherical hinge die provided by the invention, the upper die and the rubber injection plug can be automatically separated to realize automatic die opening for the die, thus the die opening efficiency of the die is increased, and the manual labour intensity is lowered. The invention further provides a die opening method for the spherical hinge die.

The invention relates to the technical field of dies, and discloses a one-piece pull rod sliding die. The one-piece pull rod sliding die comprises an upper die, a lower die, a die middle plate and connecting rods, the upper die is provided with a plurality of rows of upper forming areas in parallel in the width direction, the lower die can be covered with the upper die, a containing groove is formed in the lower die, and limiting plates are arranged on the two sides of the containing groove, the containing groove is devided into a plurality of placing grooves by the limiting plates, and the number of the placing grooves is consistent with the number of the upper forming areas; the die middle plate is arranged between the upper die and the lower die, the die middle plate comprises a plurality of sliding blocks, the number of the sliding blocks is consistent with the number of the placing grooves, the sliding blocks are arranged in the placing grooves, and lower forming areas corresponding to the upper forming areas are arranged on the sliding blocks; the connecting rods are symmetrically arranged on the two sides of the lower die and connected with the narrow edges of the sliding blocks on the same side, and the connecting rods are detachably connected with the sliding blocks. According to the one-piece pull rod sliding die, the die opening efficiency is high, the sliding blocks do not need to be taken out of the die for die opening, and the risks of die bumping and falling are avoided.

The invention provides a horizontal rotating shaft type automatic mold opening device of an injection molding machine. In the actual use process, the connecting position of a clamping buckle handle and an upper slope inclined side continuously operates long with a disc, the clamping buckle handle is affected by upward pushing force of the upper slope inclined side, an anti-lifting device limits a mold bottom plate, a lower mold is not lifted up, and after the clamping buckle handle walks for a certain distance on the upper slope inclined side, an upper mold and a lower mold are completely separated through the upper slope inclined side; in the operation process of the disc, automatic mold opening can be achieved, and in the continuous operating process of the disc, continuous automatic mold opening can be achieved; on the basis of ensuring structural strength, a mold opening execution mechanism in a manner of a frame structure or a metal pipe or metal rod can greatly reduce the use number and weight of materials, the cost is obviously reduced, and the practicability is obviously improved; a frame body can turn over up and down through a horizontal rotating shaft, the mold opening mechanism can be driven to be close to or away from the disc, the structure is simple and reasonable, and the action is concise; and the invention further provides the injection molding machine.

The invention provides a vertical rotating shaft type automatic die opening device of an injection molding machine. At a place where a fastener handle is connected with an upslope inclined edge, with the continuous operation of a disc, the fastener handle is subjected to an upward push force by the upslope inclined edge, a lifting prevention device limits a die bottom plate and allows no lower die to be lifted, and after the fastener handle walks a certain distance on the upslope inclined edge, the upslope inclined edge can separate an upper die from the lower die completely, so that automatic die opening can be realized in an operation process of the disc, and continuous automatic die opening can be realized in a continuous operation process of the disc. Furthermore, by adopting a die opening executing mechanism in a frame structure or in a metal tube or metal rod type, on the basis that the structural strength is ensured, the material usage and weight can be reduced greatly, and the cost and the practicability are reduced and improved significantly. Moreover, in a practical working process, a frame body bears the die opening executing mechanism and allows the die opening executing mechanism to be close to or far from the disc in a door opening or closing manner by depending on a vertical rotating shaft, the structure is simple and reasonable, and the movement is concise. The invention also provides an injection molding machine.

The invention provides an automatic mold opening device for an injection molding machine. The automatic mold opening device comprises a rack body, a mold-opening execution mechanism and an anti-lifting device. The mold-opening execution mechanism is provided with an upslope bevel edge, and the upslope bevel edge is changed to be higher gradually in the rotation direction of a disc. In this way, in the practical application process of the automatic mold opening device, the connection position of a buckle handle and the upslope bevel edge continues to operate along with the disc; the buckle handle is subjected to upward pushing force of the upslope bevel edge; the anti-lifting device limits a mold bottom plate, and consequently a lower mold cannot be lifted; after the buckle handle travels for a certain distance on the upslope bevel edge, an upper mold and the lower mold can be separated completely through the upslope bevel edge; in the operation process of the disc, automatic mold opening can be achieved; and in the continuous operation process of the disc, continuous automatic mold opening is achieved. By means of the mold-opening execution mechanism which is of a frame structure and in the form of metal tubes or metal rods, on the basis that structural strength is guaranteed, material consumption and weight are greatly reduced; cost is remarkably lowered; and practicability is remarkably improved. The invention further provides the injection molding machine.

There is the first cooling water road, and there is a second cooling water road inside the dynamic template.It also includes a number of first vertical guidance rods and several second vertical width rods. The motion molding plate has the first horizontal air path. The fixed mold plate has a second horizontal air path.The top rod, the dynamic template is equipped with one -to -one top blocks.The beneficial effect of the present invention is that the structure is compact and simple and easy to install; the force is more uniform when the molding products are pushed out, and the accuracy is higher; when the mold is opened, the molding products are not easy to adhere to the fixed template, and the mold opening efficiency is more efficient.High, it is easier to top the molding products, shortening the top time, thereby greatly shortening the molding cycle.

The invention provides a vertical rotation shaft type automatic mold opening device of a disc type injection molding machine. The vertical rotation shaft type automatic mold opening device comprises a frame body, a mold opening actuator and a lift-preventing device; the mold opening actuator is provided with an upslope inclination side, and the upslope inclination side is gradually heightened in the rotation direction of a disc. In the actual use process of the device, at the joint between a buckle handle and the upslope inclination side, the buckle handle receives the upward thrust of the upslope inclination side along with continuous operation of the disc, the lift-preventing device limits a mold bottom plate so that a lower mold cannot be lifted, after the buckle handle walks on the upslope inclination side for a certain distance, the upslope inclination side can completely separate an upper mold and the lower mold, and therefore automatic mold opening can be realized in the operation process of the disc, and continuous and automatic mold opening can be realized in the continuous operation process of the disc. In the actual work process, the frame body bears the mold opening actuator and enables the mold opening actuator to get close to or away from the disc through a vertical rotation shaft in a door opening and closing mode; the structure is simple and reasonable and the movement is simple. The invention further provides the injection molding machine.

The invention provides a horizontal rotating-shaft type automatic mold opening device for a disc type injection molding machine. The horizontal rotating-shaft type automatic mold opening device comprises a rack body, a mold-opening execution mechanism and an anti-lifting device. The mold-opening execution mechanism is provided with an upslope bevel edge, and the upslope bevel edge is changed to be higher gradually in the rotation direction of a disc. In this way, in the practical application process of the horizontal rotating-shaft type automatic mold opening device, the connection position of a buckle handle and the upslope bevel edge continues to operate along with the disc; the buckle handle is subjected to upward pushing force of the upslope bevel edge; the anti-lifting device limits a mold bottom plate, and consequently a lower mold cannot be lifted; after the buckle handle travels for a certain distance on the upslope bevel edge, an upper mold and the lower mold can be separated completely through the upslope bevel edge; in the operation process of the disc, automatic mold opening can be achieved; and in the continuous operation process of the disc, continuous automatic mold opening is achieved. The rack body can be vertically overturned by means of a horizontal rotating shaft, and the mold-opening execution mechanism is driven to be close to or away from the disc. The horizontal rotating-shaft type automatic mold opening device is simple and reasonable in structure and simple and neat in action. The invention further provides the injection molding machine.