Split type injection mold opening device
Technical Field
The utility model relates to the technical field of injection molds, in particular to a split type injection mold opening device.
Background
The injection molding mold is a tool for producing plastic products, is also a tool for endowing the plastic products with complete structures and accurate dimensions, is a processing method used when producing parts with complex shapes in batches, and particularly refers to a method for injecting heated and melted plastic into a mold cavity by an injection molding machine under high pressure and obtaining a formed product after cooling and solidifying.
Disclosure of utility model
The utility model aims to provide a split type injection mold opening device for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The split type injection mold opening device comprises an upper mold and a lower mold, wherein the upper mold is arranged right above the lower mold, the bottom of the lower mold is fixedly connected with a bottom plate, mold opening assemblies are symmetrically arranged on two sides of the top of the bottom plate, and a jacking structure is arranged in the lower mold;
The die opening assembly comprises fixed frames arranged on two sides of the top of a bottom plate, the two fixed frames are respectively arranged on two sides of a lower die, the front sides of the fixed frames are fixedly connected with driving motors, the output ends of the driving motors are respectively extended to the interiors of the two fixed frames and are connected with driving gears, one opposite sides of the fixed frames are respectively penetrated with connecting plates, the interiors of the connecting plates are respectively penetrated with guide rods, the tops of the guide rods are respectively fixedly connected with the tops of the inner cavities of the two fixed frames, the bottoms of the guide rods are respectively fixedly connected with the tops of the bottom plate, racks are respectively arranged on the inner sides of the fixed frames, and the racks are respectively far away from the upper ends and the lower ends of one sides of the driving gears and are fixedly connected with sliding blocks.
As a preferable scheme of the utility model, one ends of the two connecting plates, which are close to each other, are respectively and fixedly connected with the outer walls of the two sides of the upper die, the inner walls of the two connecting plates are respectively and fixedly connected with the outer walls of the two guide rods, and the top ends of the two racks are respectively and fixedly connected with one sides, far away from the upper die, of the bottoms of the two connecting plates.
As a preferable scheme of the utility model, one sides of the two racks, which are far away from each other, are respectively connected with the two driving gears in a meshed manner, and the inner walls of the four sliding blocks are respectively connected with the outer walls of the two guide rods in a sliding manner.
As the preferable scheme of the utility model, the jacking structure comprises a mounting cavity arranged below the inner cavity of the lower die, the front surface of the lower die is fixedly connected with a rotating motor, the output end of the rotating motor extends to the inside of the mounting cavity and is fixedly connected with a driving gear, and the bottom of the inner cavity of the lower die is penetrated with a top plate.
As a preferable scheme of the utility model, driven half gears are symmetrically arranged on two sides of the driving gear, the two driven half gears are meshed with the driving gear, cams are fixedly connected to the front faces of the two driven half gears, and L-shaped connecting plates are symmetrically connected to two sides of the bottom of the top plate.
As a preferable scheme of the utility model, the middle parts of the two L-shaped connecting plates are penetrated with limiting rods, the upper and lower ends of the two limiting rods are fixedly connected with the inner walls of the upper and lower sides of the mounting cavity respectively, and the outer walls of the two limiting rods are sleeved with springs.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, the rack is driven by the driving gear to push the connecting plate to move upwards, so that the two upper dies can be driven to move upwards, and the upper dies and the lower dies are separated, thereby realizing automatic die opening.
2. According to the utility model, the driving gear drives the two cams to rotate by utilizing the driven half gears on two sides, so that the top plate is pushed to eject the product, and the product is convenient to demould.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a cut-out structure of an opening module according to the present utility model;
FIG. 3 is a schematic view of the cut surface structure of the lower die of the present utility model.
The drawing shows that the mold comprises a mold body 1, an upper mold body 2, a lower mold body 3, a bottom plate 4, a mold opening assembly, a lifting structure 5, a fixed frame 401, a driving motor 403, a connecting plate 404, a driving gear 405, a guide rod 406, a rack 407, a sliding block 501, a mounting cavity 502, a rotating motor 503, a top plate 504, a driving gear 505, a driven half gear 506, a cam 507, a limiting rod 508, an L-shaped connecting plate 509 and a spring.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
In order that the utility model may be readily understood, several embodiments of the utility model will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the utility model are shown, but in which the utility model may be embodied in many different forms and is not limited to the embodiments described herein, but instead is provided to provide a more thorough and complete disclosure of the utility model.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.
Referring to fig. 1-3, the present utility model provides a technical solution:
The split type injection mold die sinking device comprises an upper mold 1 and a lower mold 2, wherein the upper mold 1 is arranged right above the lower mold 2, the bottom of the lower mold 2 is fixedly connected with a bottom plate 3, two sides of the top of the bottom plate 3 are symmetrically provided with die sinking components 4, the inside of the lower mold 2 is provided with a jacking structure 5, the die sinking components 4 comprise fixed frames 401 arranged on two sides of the top of the bottom plate 3, two fixed frames 401 are respectively arranged on two sides of the lower mold 2, the front sides of the two fixed frames 401 are fixedly connected with driving motors 402, the output ends of the two driving motors 402 respectively extend to the inside of the two fixed frames 401 and are connected with driving gears 404, one sides of the two fixed frames 401 are respectively penetrated with connecting plates 403, the inside of the two connecting plates 403 are respectively penetrated with guide rods 405, the top ends of the two guide rods 405 are respectively fixedly connected with the top of the inner cavities of the two fixed frames 401, the inner sides of the two fixed frames 401 are respectively, and the two racks 406 are respectively provided with racks 406, and the upper ends and the lower ends of one sides of the two racks 406, which are far away from the driving gears 404, are respectively fixedly connected with sliding blocks 407.
One end that two connecting plates 403 are close to each other is fixedly connected with the outer walls of the two sides of the upper die 1 respectively, the inner walls of two connecting plates 403 are fixedly connected with the outer walls of two guide rods 405 respectively, the top ends of two racks 406 are fixedly connected with one side, away from the upper die 1, of the bottoms of two connecting plates 403 respectively, one side, away from each other, of two racks 406 is meshed with two driving gears 404 respectively, and the inner walls of four sliding blocks 407 are connected with the outer walls of two guide rods 405 in a sliding mode respectively.
The jacking structure 5 comprises a mounting cavity 501 arranged below an inner cavity of the lower die 2, a rotary motor 502 is fixedly connected to the front surface of the lower die 2, an output end of the rotary motor 502 extends to the inside of the mounting cavity 501 and is fixedly connected with a driving gear 504, a top plate 503 penetrates through the bottom of the inner cavity of the lower die 2, driven half gears 505 are symmetrically arranged on two sides of the driving gear 404, the two driven half gears 505 are meshed with the driving gear 504 and are fixedly connected with cams 506 on the front surface of the two driven half gears 505, L-shaped connecting plates 508 are symmetrically connected on two sides of the bottom of the top plate 503, limit rods 507 are penetrated through the middle parts of the two L-shaped connecting plates 508, the upper ends and the lower ends of the two limit rods 507 are fixedly connected with inner walls of the upper side and the lower side of the mounting cavity 501 respectively, and springs 509 are sleeved on the outer walls of the two limit rods 507.
In the working process, after the product is injection molded, the driving motors 402 on two sides drive the driving gears 404 to rotate, the driving gears 404 push the two connecting plates 403 to move upwards by using the racks 406, so that the two top plates 503 drive the upper die 1 to move upwards, the upper die 1 and the lower die 2 are separated to realize die opening, and then the rotating motor 502 drives the driven half gears 505 on two sides to drive the cams 506 to rotate by using the driving gears 504, and the two cams 506 push the top plates 503 to jack up the product upwards, so that the product is convenient to be demolded.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.