Ejection structure of die
Technical Field
The utility model relates to the technical field of die manufacturing, in particular to an ejection structure of a die.
Background
In the mold forming process, the product needs to be smoothly removed from the mold cavity after being formed, the traditional removing mode is that a worker takes out a workpiece from the mold cavity by means of a tool, the removing efficiency of the mode is general, the phenomena of high labor intensity and the like exist, and in order to solve the problems, the development of an ejection structure of the mold is particularly important.
The utility model provides an ejecting structure of mould of reference bulletin number CN203357823U, it includes the upper die base, the die holder, set up the die on the upper die base and set up the terrace die on the die holder, be provided with a guide pillar between upper die base and the die holder, be provided with a plurality of thimble in the die holder, this ejecting structure includes a plurality of connecting rods, the outer end of connecting rod articulates on the lateral wall of die holder, the inner articulates on the guide pillar, the middle part of connecting rod articulates on the thimble, this ejecting structure has low in production cost, the advantage such as the degree of difficulty of processing is little, according to above-mentioned, this ejecting structure can obtain better application, but is generally inconvenient to carry out spacingly to the motion range of ejecting part, make this ejecting structure be difficult to reach the anticipated effect of work piece, trouble user often.
Disclosure of utility model
The utility model aims to provide an ejection structure of a die, which solves the problems that although the ejection structure provided in the prior art can be well applied, the movement amplitude of an ejection part is generally inconvenient to limit, so that the ejection effect of the ejection structure on a workpiece is difficult to reach a preset expected.
In order to achieve the above purpose, the ejection structure of the die comprises a lower die plate, wherein supporting seats are fixed on two sides of the top end of the lower die plate, the top ends of the two supporting seats are provided with lower dies, an upper die is arranged above the lower dies, the bottom ends of the upper dies are contacted with the top ends of the lower dies, the top ends of the upper dies are fixedly provided with the upper die plate, strip-shaped limiting seats are respectively and fixedly connected to the outer walls of the two sides of the lower dies, the inner walls of the lower ends of the strip-shaped limiting seats are connected with the outer walls of the lower die plate, a base plate is arranged at the top end of the lower die plate between the supporting seats, a second ejector plate is arranged above the base plate, a first ejector plate is arranged above the second ejector plate, first side U-shaped frames are respectively arranged on the outer walls of the two sides of the first ejector plate, second side U-shaped frames are respectively and fixedly connected with the top ends of the lower dies, strip-shaped limiting seats are respectively and fixedly connected to the outer walls of the two sides of the second ejector plate, the lower die plates are respectively, and the inner die holders are internally provided with die cavities, and the die cavities are respectively formed in the two sides of the lower die plates.
Preferably, two second guide posts are arranged on two sides of the top end of the substrate, the top ends of the second guide posts sequentially penetrate through the substrate, the second ejector plate and the first ejector plate and are fixedly connected with the lower die, the second guide posts are movably connected with the first ejector plate and the second ejector plate, and the movement amplitude of the ejection part is limited through the arrangement of the second guide posts.
Preferably, two first guide posts are arranged on two sides of the top end of the lower die plate, the top ends of the first guide posts sequentially penetrate through the base plate, the second ejector plate and the first ejector plate and are fixedly connected with the bottom end of the lower die, the first guide posts are movably connected with the first ejector plate and the second ejector plate, and the movement amplitude of the ejection part is limited through the arrangement of the first guide posts.
Preferably, the two sides of the top end of the substrate on one side of the first guide post are respectively provided with a third guide post, the top end of each third guide post sequentially penetrates through the second ejector plate and the first ejector plate and touches the bottom end of the lower die, the third guide posts are movably connected with the first ejector plate and the second ejector plate, and the movement amplitude of the ejection part is limited through the arrangement of the third guide posts.
Preferably, both sides on the top end of the second ejector plate are provided with connecting frames, the top ends of the connecting frames penetrate through the first ejector plate and are provided with ejector heads, the top ends of the ejector heads extend to the inside of the die cavity, the connecting frames are fixedly connected with the first ejector plate, and the ejector heads are arranged so as to eject formed workpieces.
Preferably, a lifting cylinder is installed at the central position inside the substrate, the top end of the lifting cylinder penetrates through the second ejector plate and is connected with the bottom end of the first ejector plate, and the first ejector plate is driven to perform lifting motion through the arrangement of the lifting cylinder.
Compared with the prior art, the ejection structure of the die has the beneficial effects that the stability of ejection movement of the ejection head is ensured, so that the ejection effect of the ejection structure on the formed workpieces is ensured, the aim of synchronously ejecting two formed workpieces is fulfilled, the stripping efficiency of the formed workpieces is ensured, and the convenience of the ejection structure in use is improved;
(1) Through the arrangement of the second guide post, the first guide post and the third guide post, the outer walls of the second guide post, the first guide post and the third guide post are positioned in the lifting process of the first ejector plate and the second ejector plate to slide, and meanwhile, the first side U-shaped frame and the second side U-shaped frame which are arranged on the outer walls of the first ejector plate and the second ejector plate are positioned on the outer walls of the strip-shaped limiting seat to slide up and down so as to limit the movement amplitude of the first ejector plate and the second ejector plate, and further, the phenomenon of offset in the lifting process of the ejector head can be effectively reduced, thereby ensuring the stability of the ejector head during the ejection movement, and ensuring the ejection effect of the ejection structure on a formed workpiece;
(2) The first ejector plate and the second ejector plate are fixedly connected through the arrangement of the connecting frame, and the two ejector heads are arranged at the top end of the connecting frame, so that when the connecting frame moves upwards, the two ejector heads are driven to eject the formed workpiece upwards, the aim of synchronously ejecting the two formed workpieces is fulfilled, and the stripping efficiency of the formed workpiece is ensured;
(3) Through the setting of lift cylinder to drive first liftout plate and second liftout plate and carry out up-and-down motion, can the ejecting operation of going up and down of electrodynamic type drive ejection head, thereby improved the convenience when ejecting structure uses.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;
FIG. 2 is a schematic diagram of a front cross-sectional structure of the present utility model;
FIG. 3 is a schematic top view of the lower mold of the present utility model;
Fig. 4 is a schematic view of the structure of the ejector according to the present utility model.
The device comprises a lower die plate 1, a supporting seat 2, a lower die plate 3, an upper die 4, an upper die 5, an upper die plate 6, a strip-shaped limiting seat 7, a first ejector plate 8, a second ejector plate 9, a base plate 10, a first side U-shaped frame 11, a second side U-shaped frame 12, a lifting cylinder 13, a first guide post 14, a connecting frame 15, a lower die holder 16, a die cavity 17, a molded workpiece 18, a top head 19, a second guide post 20 and a third guide post.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, an ejector structure of a mold according to the present utility model includes a lower mold plate 1, two first guide posts 13 are disposed on two sides of a top end of the lower mold plate 1, and a top end of each first guide post 13 sequentially penetrates through a substrate 9, a second ejector plate 8 and a first ejector plate 7 and is fixedly connected with a bottom end of the lower mold 3, wherein the first guide posts 13 are movably connected with the first ejector plate 7 and the second ejector plate 8;
when in use, the first guide post 13 is arranged so as to limit the movement amplitude of the ejection part;
Third guide columns 20 are arranged on two sides of the top end of the substrate 9 on one side of the first guide column 13, the top ends of the third guide columns 20 sequentially penetrate through the second ejector plate 8 and the first ejector plate 7 and touch the bottom end of the lower die 3, and the third guide columns 20 are movably connected with the first ejector plate 7 and the second ejector plate 8;
In use, the third guide post 20 is arranged so as to limit the movement amplitude of the ejection part;
The two sides of the top end of the lower die plate 1 are fixedly provided with supporting seats 2, the top ends of the two supporting seats 2 are provided with a lower die 3, an upper die 4 is arranged above the lower die 3, the bottom end of the upper die 4 is contacted with the top end of the lower die 3, the top end of the upper die 4 is fixedly provided with an upper die plate 5, the outer walls of the two sides of the lower die 3 are respectively provided with a bar-shaped limiting seat 6 in a bolt connection manner, the inner wall of the lower end of the bar-shaped limiting seat 6 is connected with the outer wall of the lower die plate 1, a base plate 9 is arranged at the top end of the lower die plate 1 between the supporting seats 2, a lifting cylinder 12 is arranged at the central position inside the base plate 9, and the top end of the lifting cylinder 12 penetrates through the second ejector plate 8 and is connected with the bottom end of the first ejector plate 7;
When in use, the first ejector plate 7 is driven to perform lifting movement by the arrangement of the lifting cylinder 12;
Two second guide posts 19 are arranged on two sides of the top end of the base plate 9, the top ends of the second guide posts 19 sequentially penetrate through the base plate 9, the second ejector plate 8 and the first ejector plate 7 and are fixedly connected with the lower die 3, and the second guide posts 19 are movably connected with the first ejector plate 7 and the second ejector plate 8;
When in use, the second guide post 19 is arranged so as to limit the movement amplitude of the ejection part;
A second ejector plate 8 is arranged above the base plate 9, connecting frames 14 are arranged on two sides of the top end of the second ejector plate 8, the top end of each connecting frame 14 penetrates through the first ejector plate 7 and is provided with an ejector head 18, the top end of each ejector head 18 extends to the inside of the die cavity 16, and the connecting frames 14 are fixedly connected with the first ejector plate 7;
in use, the ejection head 18 is arranged so as to eject the formed workpiece 17;
The top of second liftout plate 8 is equipped with first liftout plate 7, all installs first side U shaped frame 10 on the outer wall of first liftout plate 7 both sides, first side U shaped frame 10 and the spacing seat 6 sliding connection of bar, all installs second side U shaped frame 11 on the outer wall of second liftout plate 8 both sides, second side U shaped frame 11 and the spacing seat 6 sliding connection of bar, the inside central point department of bed die 3 is equipped with die holder 15, the inside both sides of die holder 15 all are equipped with die cavity 16, the inside injection moulding of die cavity 16 has shaping work piece 17.
When the lifting mechanism is used, firstly, the first ejector plate 7 and the second ejector plate 8 are driven to move up and down through the arrangement of the lifting cylinder 12, namely, the first ejector plate 7 and the second ejector plate 8 can be driven to lift and eject, then, through the arrangement of the connecting frame 14, the first ejector plate 7 and the second ejector plate 8 are fixedly connected, and because the two ejector heads 18 are arranged at the top end of the connecting frame 14, when the connecting frame 14 moves up, the two ejector heads 18 are driven to eject the formed workpiece 17 upwards, so that the aim of synchronously ejecting the two formed workpieces 17 is fulfilled, finally, through the arrangement of the second guide post 19, the first guide post 13 and the third guide post 20, the outer walls of the first ejector plate 7 and the second ejector plate 8 are positioned on the second guide post 19, the first guide post 13 and the third guide post 20 in the lifting process, and simultaneously, the first side U-shaped frame 10 and the second side U-shaped frame 11 which are arranged on the outer walls of the first ejector plate 7 and the second ejector plate 8 are positioned on the outer walls of the limiting seat 6 are slid upwards, the first ejector plate 7 and the second ejector plate 8 are moved downwards, so that the lifting effect of the ejection plate 18 can be effectively reduced, and the lifting effect of the ejection head 18 is guaranteed, and the lifting effect of the ejection head 18 is further, and the lifting effect of the lifting effect is guaranteed is achieved.