PP plastic cup injection mold facilitating demolding
Technical Field
The utility model relates to an injection mold technical field specifically is a PP plastics cup injection mold of convenient drawing of patterns.
Background
The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate sizes, and the injection molding is a processing method used in batch production of parts with complex shapes, specifically, heated and melted plastics are injected into a mold cavity at high pressure by an injection molding machine and cooled and solidified to obtain PP plastic cups.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a PP plastics cup injection mold of convenient drawing of patterns possesses the advantage of making things convenient for the drawing of patterns, has solved current injection mold when the drawing of patterns, and the PP plastics cup after can not make moulding plastics fast breaks away from the mould, needs the staff to take out PP plastics cup from the mould by hand to work efficiency's problem has been reduced.
In order to achieve the above object, the utility model provides a following technical scheme: a PP plastic cup injection mold convenient for demolding comprises an upper mold and a lower mold, wherein a module is fixedly connected to the top of the lower mold, a first movable block is movably connected to the left side of an inner cavity of the lower mold, a first fixed block is fixedly connected to the top of the right side of the first movable block, a second movable block is movably connected to the right side of the inner cavity of the lower mold, a second fixed block is fixedly connected to the top of the left side of the second movable block, a groove is formed in the left side of the second movable block, ejector rods are fixedly connected to the bottoms of the first movable block and the second movable block, a top plate is fixedly connected to the bottom of each ejector rod, a piston rod is movably connected to the bottom of each top plate, a spring is sleeved on the surface of each ejector rod, a first vent hole is formed in the bottom of the right side of the inner cavity of the, the bottom of the inner cavity of the second vent hole is fixedly connected with a sealing plug, one end, far away from the bottom of the lower die, of the second vent hole is communicated with the groove, and one end, far away from the right side of the lower die, of the first vent hole is communicated with the bottom of the right side of the second vent hole.
Preferably, the two sides of the bottom of the lower die are fixedly connected with supporting plates, the bottom of each supporting plate is fixedly connected with a bottom plate, and an inner cavity of each bottom plate is provided with a through hole.
Preferably, the die cavity is formed in the inner cavity of the upper die, the transverse plate is fixedly connected to the top of the upper die, the feeding nozzle is movably connected to the inner cavity of the transverse plate, and the bottom end of the feeding nozzle penetrates through the top of the die cavity.
Preferably, both sides of the upper die are fixedly connected with water pipe connectors through threads, and the number of the water pipe connectors is eight.
Preferably, the opposite sides of the first fixed block and the second fixed block are both arc-shaped, and the radian size is the same.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses an upper die, bed die, module, first movable block, first fixed block, second movable block, second fixed block, recess, ejector pin, roof, piston rod, spring, first air vent, second air vent and sealing plug's cooperation is used, can be convenient for with the quick drawing of patterns of PP plastics cup, no longer need the staff to take out PP plastics cup from the mould by hand, improved work efficiency.
2. The utility model discloses a set up the cooperation of backup pad, bottom plate and through-hole, can be convenient for support and fix the bed die, the piston rod of being convenient for with roof jack-up, through the cooperation that sets up die cavity, diaphragm and feeding mouth, can be convenient for mould plastics the PP plastics into the die cavity, through setting up water pipe head, can be convenient for introduce the inner chamber of mould with the coolant liquid, cool off going up the mould, the PP plastics cup drawing of patterns of being convenient for.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the structure of the present invention;
fig. 3 is a top view of the lower mold of the present invention.
In the figure: 1. an upper die; 2. a lower die; 3. a module; 4. a first movable block; 5. a first fixed block; 6. a second movable block; 7. a second fixed block; 8. a groove; 9. a top rod; 10. a top plate; 11. a piston rod; 12. a spring; 13. a first vent hole; 14. a second vent hole; 15. a sealing plug; 16. a support plate; 17. a base plate; 18. a through hole; 19. a mold cavity; 20. a transverse plate; 21. a feed nozzle; 22. a water pipe joint.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a PP plastic cup injection mold facilitating demolding comprises an upper mold 1 and a lower mold 2, the top of the lower mold 2 is fixedly connected with a module 3, the left side of the inner cavity of the lower mold 2 is movably connected with a first movable block 4, the top of the right side of the first movable block 4 is fixedly connected with a first fixed block 5, the right side of the inner cavity of the lower mold 2 is movably connected with a second movable block 6, the top of the left side of the second movable block 6 is fixedly connected with a second fixed block 7, the left side of the second movable block 6 is provided with a groove 8, the bottoms of the first movable block 4 and the second movable block 6 are both fixedly connected with a mandril 9, the bottom of the mandril 9 is fixedly connected with a top plate 10, the bottom of the top plate 10 is movably connected with a piston rod 11, the bottom of the surface of the mandril 9 is sleeved with a spring 12, the bottom of the right side of, the bottom of the inner cavity of the second vent hole 14 is fixedly connected with a sealing plug 15, one end of the second vent hole 14, far away from the bottom of the lower die 2, is communicated with the groove 8, one end of the first vent hole 13, far away from the right side of the lower die 2, is communicated with the bottom of the right side of the second vent hole 14, two sides of the bottom of the lower die 2 are both fixedly connected with supporting plates 16, the lower die 2 can be conveniently supported and fixed by arranging the supporting plates 16 and the through holes 18 in a matched manner, the top plate 10 is conveniently jacked up by a piston rod 11, the bottom of the supporting plate 16 is fixedly connected with the bottom plate 17, the through holes 18 are arranged in the inner cavity of the bottom plate 17, the inner cavity of the upper die 1 is provided with a die cavity 19, PP plastic can be conveniently injected into the die cavity 19 by arranging the die cavity 19 and the transverse plate, the bottom end of the feeding nozzle 21 penetrates to the top of the die cavity 19, water pipe connectors 22 are fixedly connected to two sides of the upper die 1 through threads, the water pipe connectors 22 are arranged, cooling liquid can be conveniently introduced into an inner cavity of the upper die 1 to cool the upper die 1, demolding of the PP plastic cup is facilitated, the number of the water pipe connectors 22 is eight, one side, opposite to the first fixed block 5 and the second fixed block 7, of the first fixed block 5 is arc-shaped, the radian size of the side is the same, rapid demolding of the PP plastic cup can be facilitated through matching use of the upper die 1, the lower die 2, the module 3, the first movable block 4, the first fixed block 5, the second movable block 6, the second fixed block 7, the groove 8, the ejector rod 9, the top plate 10, the piston rod 11, the spring 12, the first vent hole 13, the second vent hole 14 and the sealing plug 15, and workers do not need to take the, the working efficiency is improved.
During the use, when accomplishing to mould plastics, go up mould 1 and 2 back separations of bed die, piston rod 11 drives roof 10 rebound, roof 10 drives ejector pin 9 and removes, ejector pin 9 drives first movable block 4 and second movable block 6 simultaneously and removes, first movable block 4 drives first fixed block 5 and removes, second movable block 6 drives recess 8 and second fixed block 7 simultaneously and removes, carry out the gas transmission to first air vent 13 simultaneously, gaseous through first air vent 13 and second air vent 14 entering recess 8, after recess 8 shifts out the inner chamber of bed die 2, gaseous inner chamber that gets into the PP plastics cup through recess 8, and then through gaseous with PP plastics cup and module 3 quick separation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.