CN111331786A

CN111331786A - Can improve production efficiency's unloader for moulding plastics

Info

Publication number: CN111331786A
Application number: CN201911272171.9A
Authority: CN
Inventors: 王倩
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-06-26

Abstract

The utility model provides a can improve production efficiency's unloader for moulding plastics, relates to the technical field of moulding plastics, including the bed die, the top swing joint of bed die has the bullet piece, the bottom fixedly connected with of bullet piece and the top fixed connection's of bed die spring one, the bottom fixedly connected with of bullet piece and the inner wall swing joint's of bed die movable rod, the groove of moulding plastics has been seted up at the middle part at bed die top, the interior diapire fixedly connected with evenly distributed's of the groove of moulding plastics rubber pad. This can improve production efficiency's unloader for moulding plastics, cooperation through activity gas post and piston piece is used, the gas can be with the downward top of activity gas post move, make spring two compressed, make gas pocket and gas tank bottom correspond on, with the unnecessary gas outgoing in the gas tank, after the discharge, activity gas post can upwards kick-back under the effect of spring two, make the gas tank resume encapsulated situation, thereby the effect of protection bed die has been reached, the safety in utilization of bed die has effectively been guaranteed, be convenient for used repeatedly, and the production cost is saved.

Description

Can improve production efficiency's unloader for moulding plastics

Technical Field

The invention relates to the technical field of injection molding, in particular to a blanking device for injection molding, which can improve the production efficiency.

Background

The mold is a device frequently used in the injection molding production process, and generally consists of an upper mold and a lower mold, during production, the upper mold and the lower mold are clamped, and then the raw material is injected between the upper mold and the lower mold through an injection device to form a fixed shape, so that the injection molding is completed.

The mould at present needs the manual work to carry out the unloading workman and utilizes the instrument to lift the finished product off from the bed die in the use, and during the manpower unloading, the instrument destroys off-the-shelf shape easily, influences the finished product quality, has improved manufacturing cost to manual work unloading is more time-consuming, leads to production efficiency to descend.

Therefore, we have provided a can improve the injection molding of production efficiency and use unloader to solve above problem, use through the cooperation of piston piece and rubber pad, reached the effect of automatic unloading, improve production efficiency greatly to the material of rubber pad is rubber materials, and the texture is soft, and is less to the injury of finished product, uses through the cooperation of activity gas post and piston piece, has reached the effect of protection bed die, has effectively guaranteed the safe in utilization of bed die, and the used repeatedly of being convenient for practices thrift manufacturing cost.

Disclosure of Invention

The invention adopts the following technical scheme for realizing the technical purpose: a blanking device for injection molding capable of improving production efficiency comprises a lower mold, wherein the top of the lower mold is movably connected with an elastic block, the bottom of the elastic block is fixedly connected with a first spring fixedly connected with the top of the lower mold, the bottom of the elastic block is fixedly connected with a movable rod movably connected with the inner wall of the lower mold, the middle part of the top of the lower mold is provided with an injection molding groove, the inner bottom wall of the injection molding groove is fixedly connected with a rubber pad which is uniformly distributed, the inner bottom wall of the injection molding groove is rotatably connected with a shaping block close to the bottom of the rubber pad, the inner bottom wall of the injection molding groove is provided with an air groove which is uniformly distributed, the inner wall of the air groove is movably connected with a piston block, the middle part of the piston block is provided with a sliding groove, the middle part of the sliding groove is movably connected with a movable air column, the middle part of the movable air column is provided with, the middle part of the lower die is provided with a movable groove matched with the connecting plate, the bottom of the connecting plate is fixedly connected with a spring III fixedly connected with the inner bottom wall of the movable groove, and the bottom of the lower die is provided with uniformly distributed exhaust ports.

The invention has the following beneficial effects:

1. the blanking device for injection molding capable of improving the production efficiency is characterized in that a piston block and a rubber pad are matched for use, the elastic block is popped out of the top of a lower mold in an initial state, when the lower mold is clamped with an upper mold, the elastic block is squeezed into the lower mold, at the moment, a movable rod and a connecting plate both move downwards, the piston block and the connecting plate are fixedly connected, the piston block moves downwards, so that the space of an air groove is increased, and the rubber pad cannot dent downwards due to the fact that a shaping block cannot rotate downwards, the temperature of raw materials is high in the injection molding process, so that air in the air groove can expand, after the injection molding is completed, the upper mold and the lower mold are separated, the connecting plate and the elastic block can bounce upwards under the action of a spring I and a spring III, the piston block pushes the air in the air groove upwards, so that the rubber pad expands upwards, a finished product is ejected out, and the automatic blanking effect is, the production efficiency is greatly improved, and the rubber pad is made of rubber materials, is soft in texture and has little damage to finished products.

2. This can improve production efficiency's unloader for moulding plastics, cooperation through activity gas post and piston piece is used, the gas can be with the downward top of activity gas post move, make spring two compressed, make gas pocket and gas tank bottom correspond on, with the unnecessary gas outgoing in the gas tank, after the discharge, activity gas post can upwards kick-back under the effect of spring two, make the gas tank resume encapsulated situation, thereby the effect of protection bed die has been reached, the safety in utilization of bed die has effectively been guaranteed, be convenient for used repeatedly, and the production cost is saved.

Further, the lower die is made of steel materials, the lower die is cuboid, the elastic blocks are made of steel materials, the number of the elastic blocks is two, the first spring is a compression spring, and the number of the first spring is two.

Further, the material of movable rod is steel material and the shape of movable rod is cylindric, the degree of depth in groove of moulding plastics is the quarter of bed die thickness, the material of rubber pad is rubber material and the quantity of rubber pad is three.

Further, the material of design piece is steel material and the length of design piece is half of rubber pad length, the length of air pocket is greater than the length of piston block, the material of piston block is steel material and the quantity of piston block is the same with the quantity of air pocket.

Further, the shape of spout is for falling "Y" form and the diameter of spout is the same with the diameter of activity gas column, the material of activity gas column is hard rubber material and the shape of activity gas column is cylindric.

Further, the second spring is a compression spring, the diameter of the second spring is smaller than that of the movable gas column, the connecting plate is made of steel materials, the connecting plate is cuboid-plate-shaped, and the third spring is a compression spring.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a contracted structure of the spring block of the present invention;

FIG. 3 is an enlarged partial view of portion A of FIG. 1;

fig. 4 is a schematic view of the expansion structure of the rubber pad of the present invention.

In the figure: 1. a lower die; 2. a spring block; 3. a first spring; 4. a movable rod; 5. injection molding a groove; 6. a rubber pad; 7. a shaping block; 8. an air tank; 9. a piston block; 10. a chute; 11. a movable gas column; 12. air holes; 13. a second spring; 14. a connecting plate; 15. a movable groove; 16. a third spring; 17. and (7) an exhaust port.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a blanking device for injection molding capable of improving production efficiency includes a lower mold 1, the lower mold 1 plays a role of fixing each component, the lower mold 1 is made of steel material and the lower mold 1 is rectangular, an elastic block 2 is made of steel material and the number of the elastic blocks 2 is two, a spring one 3 is a compression spring and the number of the spring one 3 is two, the top of the lower mold 1 is movably connected with the elastic block 2, the elastic block 2 plays a role of transmission, the bottom of the elastic block 2 is fixedly connected with the spring one 3 fixedly connected with the top of the lower mold 1, the spring one 3 plays a role of automatically bouncing up the elastic block 2, the bottom of the elastic block 2 is fixedly connected with a movable rod 4 movably connected with the inner wall of the lower mold 1, the movable rod 4 plays a role of transmission, the movable rod 4 is made of steel material and the movable rod 4 is cylindrical, the degree of depth of the groove 5 of moulding plastics is the quarter of 1 thickness of bed die, and the material of rubber pad 6 is rubber material and the quantity of rubber pad 6 is three, and the groove 5 of moulding plastics has been seted up at the middle part at 1 top of bed die, and the groove 5 of moulding plastics plays the fashioned effect of finished product.

The inner diapire fixedly connected with evenly distributed's of groove 5 of moulding plastics rubber pad 6, rubber pad 6 plays the ejecting effect of finished product, the inner diapire of groove 5 of moulding plastics and the bottom that is close to rubber pad 6 rotate and be connected with shaping piece 7, shaping piece 7 plays the effect of placing rubber pad 6 sunkenly, the material of shaping piece 7 is steel material and the length of shaping piece 7 is half of rubber pad 6 length, the length of gas tank 8 is greater than the length of piston piece 9, the material of piston piece 9 is steel material and the quantity of piston piece 9 is the same with the quantity of gas tank 8, evenly distributed's gas tank 8 has been seted up to the inner diapire of groove 5 of moulding plastics, gas tank 8 plays the effect of stored gas, the inner wall swing joint of gas tank 8 has piston piece 9, piston piece 9 plays the effect of extrusion gas, spout 10 has been seted up at the middle part of piston piece 9, spout 10 plays the effect that the activity gas column 11 of being.

The chute 10 is in an inverted Y shape, the diameter of the chute 10 is the same as that of the movable gas column 11, the movable gas column 11 is made of hard rubber materials, the movable gas column 11 is cylindrical, the middle of the chute 10 is movably connected with the movable gas column 11, the movable gas column 11 plays a role in adjusting the air pressure in the gas tank 8 and ensuring the use safety of the lower die 1, the middle of the movable gas column 11 is provided with a gas hole 12, the gas hole 12 plays a role in facilitating the discharge of redundant gas, the bottom of the movable gas column 11 is fixedly connected with a second spring 13, the second spring 13 plays a role in bouncing the movable gas column 11 upwards, the second spring 13 is a compression spring, the diameter of the second spring 13 is smaller than that of the movable gas column 11, the connecting plate 14 is made of steel materials, the connecting plate 14 is in a cuboid plate shape, the third spring 16 is a compression spring, the bottom of the second spring 13 is fixedly connected with a connecting plate 14 fixedly connected with the bottom of the piston and the, the connecting plate 14 plays a transmission role, the middle part of the lower die 1 is provided with a movable groove 15 matched with the connecting plate 14, the movable groove 15 plays a role of facilitating the movement of the connecting plate 14, the bottom of the connecting plate 14 is fixedly connected with a spring III 16 fixedly connected with the inner bottom wall of the movable groove 15, the spring III 16 plays a role of facilitating the automatic upward springing of the connecting plate 14, the bottom of the lower die 1 is provided with uniformly distributed exhaust ports 17, and the exhaust ports 17 play a role of facilitating the exhaust of gas and facilitating the heat dissipation.

The working principle is as follows: in the initial state, the elastic block 2 is popped out of the top of the lower die 1, when the lower die 1 is clamped with the upper die, the elastic block 2 is squeezed into the lower die 1, at the moment, the movable rod 4 and the connecting plate 14 both move downwards, because the piston block 9 is fixedly connected with the connecting plate 14, the piston block 9 moves downwards, the space of the air groove 8 is enlarged, and because the shaping block 7 cannot rotate downwards, the rubber pad 6 cannot dent downwards, in the injection molding process, the temperature of the raw material is higher, the air in the air groove 8 can expand, after the injection molding is completed, the upper die 1 and the lower die 1 are separated, the connecting plate 14 and the elastic block 2 can bounce upwards under the action of the first spring 3 and the third spring 16, the piston block 9 pushes the air in the air groove 8 upwards, the rubber pad 6 expands upwards, the finished product is ejected, the automatic blanking effect is achieved, the production efficiency is greatly improved, and the rubber pad 6 is made of rubber material, the texture is soft, it is less to the injury of finished product, if gas inflation is excessive, gas can be with 11 downward tops of activity gas column, make two 13 compressed springs, make gas pocket 12 correspond with 8 bottoms in gas tank, with unnecessary gas outgoing in the gas tank 8, after the discharge, activity gas column 11 can upwards kick-back under two 13 effects of spring, make gas tank 8 resume encapsulated situation, effectively guaranteed 1's of bed die safety in utilization, the used repeatedly of being convenient for, practice thrift manufacturing cost.

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.

Claims

1. The utility model provides a can improve production efficiency's unloader for moulding plastics, includes bed die (1), its characterized in that: the top of the lower die (1) is movably connected with an elastic block (2), the bottom of the elastic block (2) is fixedly connected with a spring I (3) fixedly connected with the top of the lower die (1), the bottom of the elastic block (2) is fixedly connected with a movable rod (4) movably connected with the inner wall of the lower die (1), the middle of the top of the lower die (1) is provided with an injection molding groove (5), the inner bottom wall of the injection molding groove (5) is fixedly connected with uniformly distributed rubber pads (6), the inner bottom wall of the injection molding groove (5) and the bottom close to the rubber pads (6) are rotatably connected with a shaping block (7), the inner bottom wall of the injection molding groove (5) is provided with uniformly distributed air grooves (8), the inner wall of the air grooves (8) is movably connected with a piston block (9), the middle of the piston block (9) is provided with a sliding groove (10), the middle of the sliding groove (10, air hole (12) are seted up at the middle part of activity gas column (11), the bottom fixedly connected with spring two (13) of activity gas column (11), the bottom fixedly connected with of spring two (13) and piston block (9) bottom fixed connection's connecting plate (14), movable groove (15) with connecting plate (14) looks adaptation are seted up at the middle part of bed die (1), the bottom fixedly connected with of connecting plate (14) and the interior diapire fixed connection's of movable groove (15) spring three (16), evenly distributed's gas vent (17) are seted up to the bottom of bed die (1).

2. The blanking device for injection molding, which can improve the production efficiency, according to claim 1, is characterized in that: the lower die (1) is made of steel materials, and the lower die (1) is cuboid.

3. The blanking device for injection molding, which can improve the production efficiency, according to claim 1, is characterized in that: the spring block (2) is made of steel materials, the number of the spring blocks (2) is two, the first spring (3) is a compression spring, and the number of the first spring (3) is two.

4. The blanking device for injection molding, which can improve the production efficiency, according to claim 1, is characterized in that: the material of movable rod (4) is steel material and the shape of movable rod (4) is cylindric, the degree of depth in groove of moulding plastics (5) is one fourth of lower mould (1) thickness.

5. The blanking device for injection molding, which can improve the production efficiency, according to claim 1, is characterized in that: the rubber pads (6) are made of rubber materials, and the number of the rubber pads (6) is three.

6. The blanking device for injection molding, which can improve the production efficiency, according to claim 1, is characterized in that: the material of the shaping block (7) is steel material and the length of the shaping block (7) is half of the length of the rubber pad (6), the length of the air groove (8) is greater than that of the piston block (9), the material of the piston block (9) is steel material and the number of the piston blocks (9) is the same as that of the air grooves (8).

7. The blanking device for injection molding, which can improve the production efficiency, according to claim 1, is characterized in that: the shape of spout (10) is for falling "Y" form and the diameter of spout (10) is the same with the diameter of activity gas column (11), the material of activity gas column (11) is the hard rubber material and the shape of activity gas column (11) is cylindric.

8. The blanking device for injection molding, which can improve the production efficiency, according to claim 1, is characterized in that: the diameter that spring two (13) is compression spring and spring two (13) is less than the diameter of activity gas column (11), the material of connecting plate (14) is steel material and the shape of connecting plate (14) is cuboid platelike, spring three (16) are compression spring.