CN213035230U

CN213035230U - High-efficient air-assisted ejection of patterns plastics injection molding

Info

Publication number: CN213035230U
Application number: CN202021832102.7U
Authority: CN
Inventors: 严越波; 何伟博; 孙建伟
Original assignee: Changzhou Shengyue Molding Co Ltd
Current assignee: Changzhou Shengyue Molding Co.,Ltd.
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-04-23
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses a high-efficient air blast drawing of patterns plastics injection molding, including base, movable mould and cover half, the base both ends are provided with the locating lever respectively, and are provided with damping spring on the locating lever, the cover half intermediate position is provided with the die, and the top of die is provided with the mouth of moulding plastics, the die below is provided with the core, just be provided with the propelling movement hole all around of core, be equipped with the push rod in the propelling movement hole, and the last top of push rod is equipped with the propelling movement piece, propelling movement piece lower surface is equipped with T type groove, propelling movement hole department is equipped with the spout on the movable mould, and the inside air jet that is equipped with of spout, one side that the core was kept away from in the propelling movement hole is provided with the air supply pump, and is provided with. This high-efficient air blasting drawing of patterns plastics injection molding can reach and shorten the drawing of patterns time and avoid the damage of propelling movement pole to moulding through setting up air jet, propelling movement pole and propelling movement piece.

Description

High-efficient air-assisted ejection of patterns plastics injection molding

Technical Field

The utility model relates to an injection molding drawing of patterns technical field specifically is a high-efficient air blasting drawing of patterns plastics injection molding.

Background

The injection mold is a tool for producing plastic products, and is also a tool for endowing the plastic products with complete structures and accurate sizes, the injection molding is a processing method used in the mass production of certain parts, after the injection molding is cooled through the injection molding machine, the injection molding part can be sleeved on a male mold or a core, the injection molding part is required to be demolded so as to be separated, the existing demolding is to push through a thimble so that the injection molding part is separated, but other parts of the injection molding part can be adhered to the male mold, the core and a base when being pushed through the thimble, the injection molding part can be damaged by forced pushing, the product is easy to damage, the yield of the product is seriously influenced, in addition, when the mold is cooled and demolded, a forming cavity is slowly opened, a push rod is slowly pushed forwards, and the time required by the whole demolding process is relatively. Thus, a highly efficient air-jet demoulded plastic injection-moulded part is proposed.

The prior art has the following defects or problems:

in the injection molding drawing of patterns in-process, the push rod causes the damage to the injection molding easily when ejecting out the injection molding for the injection molding becomes the wastrel, has seriously influenced the yield of product, causes unnecessary economic loss, and the process used time of the whole drawing of patterns of traditional drawing of patterns mode is also relatively longer moreover, has seriously influenced work efficiency, thereby has influenced the output of product.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's weak point, provide a high-efficient air blast drawing of patterns plastics injection molding to reach the purpose that the protection injection molding avoids damage and high-efficient drawing of patterns.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-efficient air blast drawing of patterns plastics injection molding which characterized in that: including base, movable mould and cover half, the base both ends are provided with the locating lever respectively, and are provided with damping spring on the locating lever, the cover half intermediate position is provided with the die, and the top of die is provided with the mouth of moulding plastics, the die below is provided with the core, just be provided with the propelling movement hole around the core, be provided with the push rod in the propelling movement hole, and the last top of push rod is provided with the propelling movement piece, the propelling movement piece lower surface is provided with T type groove, push hole department is provided with the spout on the movable mould, and the inside air jet that is provided with of spout, one side that the core was kept away from in the propelling movement hole is provided with the air feed pump, and is provided with the breather pipe on the air.

As the utility model discloses an optimized technical scheme, the figure of locating lever is two sets of, and the locating lever runs through in movable mould, cover half and base fixed connection.

As the utility model discloses an optimal technical scheme, the figure in propelling movement hole is four groups, and the propelling movement hole is the equidistance annular and arranges.

As the utility model discloses an optimized technical scheme, the figure of spout is four groups, and the internal diameter size of spout agrees with the external diameter size of propelling movement piece mutually.

As an optimal technical scheme of the utility model, the propelling movement pole passes through T type groove and propelling movement piece sliding connection.

As the preferred technical proposal of the utility model, the air supply pump is communicated with the air jet through the vent pipe.

As the utility model discloses an optimal technical scheme, the hydraulic pressure input of push rod is connected with the hydraulic pressure output of pneumatic cylinder.

As the utility model discloses an optimized technical scheme, base, movable mould and cover half all are provided with the hole with the corresponding position of locating lever, and the internal diameter size of hole and the external diameter size phase-match of locating lever.

Compared with the prior art, the utility model provides a high-efficient air blast drawing of patterns plastics injection molding possesses following beneficial effect:

the efficient air-jet demoulding plastic injection molding part is characterized in that the injection molding part is separated from a mold by utilizing the pressure of gas through the arrangement of an air jet, then a pushing rod starts to move upwards to drive a pushing block, the design is ingenious in the matching among a sliding groove, the pushing block and the air jet, when the mold is opened, the pushing rod can move outwards to expose the air jet, at the moment, an air supply pump works, the air jet starts to jet air, the injection molding part is separated from the mold under air pressure, the pushing rod moves to provide a supporting force for the injection molding part to conveniently take out the injection molding part, the design of the pushing block increases the contact area with the injection molding part, the injection molding part is well protected, meanwhile, a guarantee is provided for the air jet, the situation that residual glue is caused by the accumulation of raw materials at the air jet during injection molding is prevented, the damage to the injection molding part is avoided, and the demoulding time is accelerated, the push rod does not need to move upwards slowly like the traditional demoulding method, and the cooling time after injection moulding can be shortened, so that the purposes of avoiding the damage of injection moulding parts and high-efficiency work are achieved.

Drawings

FIG. 1 is a schematic view of the overall structure of the mold of the present invention;

FIG. 2 is a schematic view of the concrete structure of the sliding chute of the present invention;

fig. 3 is a schematic top view of the mold cavity of the present invention;

fig. 4 is a schematic structural diagram of the pushing block of the present invention.

In the figure: 1. a base; 2. moving the mold; 3. fixing a mold; 4. positioning a rod; 5. a damping spring; 6. a female die; 7. a core; 8. an injection molding port; 9. a push hole; 10. a push rod; 11. a chute; 12. a pushing block; 13. an air jet; 14. a breather pipe; 15. an air supply pump; 16. a hydraulic cylinder; 17. t-shaped groove.

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. 1-4, in this embodiment: the utility model provides a high-efficient air blast drawing of patterns plastics injection molding which characterized in that: including base 1, movable mould 2 and cover half 3, 1 both ends of base are provided with locating lever 4 respectively, and are provided with damping spring 5 on the locating

lever

4, 3 intermediate positions of cover half are provided with die 6, and the top of die 6 is provided with the mouth 8 of moulding plastics, 6 below of die is provided with core 7, just be provided with propelling movement hole 9 around the core 7, be provided with push rod 10 in the propelling movement hole 9, and the last top of push rod 10 is provided with propelling movement piece 12, propelling movement piece 12 lower surface is provided with T type groove 17, propelling movement hole 9 department is provided with spout 11 on 2, and 11 inside air jets 13 that are provided with of spout, one side that core 7 was kept away from to push rod 9 is provided with air feed pump 15, and is provided with breather pipe 14 on the air feed pump 15, the below of push rod 10 is provided with pneumatic cylinder 16.

In this embodiment, the number of the positioning rods 4 is two, the positioning rods 4 penetrate through the moving mold 2 and the fixed mold 3 and are fixedly connected with the base 1, the number of the pushing holes 9 is four, the pushing holes 9 are annularly arranged at equal intervals, the four pushing holes 9 mean that four pushing blocks 12 are arranged, so that not only is a stable support provided for injection molding parts better, but also the contact area between the pushing blocks 12 and the injection molding parts is greatly increased, the pressure on the injection molding parts is reduced, the number of the sliding grooves 11 is four, the size of the inner diameter of the sliding grooves 11 is matched with the size of the outer diameter of the pushing blocks 12, the pushing blocks 12 can slide in the sliding grooves 11 conveniently, the pushing rods 10 are slidably connected with the pushing blocks 12 through the T-shaped grooves 17, the T-shaped grooves 17 not only facilitate the sliding of the pushing rods 10 on the pushing blocks 12, but also provide a good connection function, the air supply pump 15 is communicated with the air injection ports 13 through the vent pipes 14, the while of 2 downstream of movable mould propelling movement piece 12 remove in the looks outside, the hydraulic input end of push rod 10 is connected with pneumatic cylinder 16's hydraulic output end, and pneumatic cylinder 16 time of beginning work is later than the time that air feed pump 15 began work slightly, and propelling

movement piece

12 and 2 simultaneous movement of movable mould are for reducing the required time of whole drawing of patterns process, base 1, movable mould 2 and cover half 3 all are provided with the hole with the corresponding position of locating lever 4, and the internal diameter size of hole and the external diameter size phase-match of locating lever 4.

The utility model discloses a theory of operation and use flow: after the equipment is started, raw materials are conveyed into a mold cavity along an injection port 8, a mold core 7 moves upwards to a preset position, the mold core 7 not only has the molding effect, but also provides certain pressure intensity for the mold cavity along with the movement of the mold core 7, when an injection molded part is molded in the mold cavity, the mold is opened to perform demolding, the movable mold 2 moves downwards along a positioning rod 4, a pushing block 12 also moves outwards along a chute 11, when the mold cavity is opened to a certain degree, an air jet 13 is exposed under the movement of the pushing block 12, the air supply pump 15 starts to work, an air jet 13 jets air, the injection molded part is separated from a lower mold under the action of air pressure, at the moment, a hydraulic cylinder 16 starts to work, a pushing rod 10 moves upwards along a pushing hole 9, the pushing block 12 also moves upwards along with the pushing rod 10 and is used on the injection molded part, and when the mold cavity is completely opened, the push rod 10 also reaches the preset position, the injection molding piece is also stably parked on the push block 12, and at the moment, the injection molding piece is taken out by a mechanical arm, and the T-shaped groove 17 is designed to facilitate the left-right movement of the push block 12 and also move up and down along with the push rod 10.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high-efficient air blast drawing of patterns plastics injection molding which characterized in that: the die comprises a base (1), a movable die (2) and a fixed die (3), wherein positioning rods (4) are respectively arranged at two ends of the base (1), damping springs (5) are arranged on the positioning rods (4), a concave die (6) is arranged at the middle position of the fixed die (3), an injection molding port (8) is arranged at the top of the concave die (6), a core (7) is arranged below the concave die (6), push holes (9) are formed in the periphery of the core (7), a push rod (10) is arranged in each push hole (9), a push block (12) is arranged at the upper top end of each push rod (10), a T-shaped groove (17) is formed in the lower surface of each push block (12), a sliding groove (11) is formed in the position of each push hole (9) on the movable die (2), an air injection port (13) is formed in each sliding groove (11), an air supply pump (15) is arranged on one side, away from the, and a vent pipe (14) is arranged on the air supply pump (15), and a hydraulic cylinder (16) is arranged below the pushing rod (10).

2. The efficient air-jet demoulding plastic injection molding piece as claimed in claim 1, wherein: the number of the positioning rods (4) is two, and the positioning rods (4) penetrate through the movable die (2), the fixed die (3) and the base (1) to be fixedly connected.

3. The efficient air-jet demoulding plastic injection molding piece as claimed in claim 1, wherein: the number of the pushing holes (9) is four, and the pushing holes (9) are annularly arranged at equal intervals.

4. The efficient air-jet demoulding plastic injection molding piece as claimed in claim 1, wherein: the number of the sliding grooves (11) is four, and the size of the inner diameter of each sliding groove (11) is matched with the size of the outer diameter of the pushing block (12).

5. The efficient air-jet demoulding plastic injection molding piece as claimed in claim 1, wherein: the pushing rod (10) is connected with the pushing block (12) in a sliding mode through a T-shaped groove (17).

6. The efficient air-jet demoulding plastic injection molding piece as claimed in claim 1, wherein: the air supply pump (15) is communicated with the air jet opening (13) through a vent pipe (14).

7. The efficient air-jet demoulding plastic injection molding piece as claimed in claim 1, wherein: the hydraulic input end of the push rod (10) is connected with the hydraulic output end of the hydraulic cylinder (16).

8. The efficient air-jet demoulding plastic injection molding piece as claimed in claim 1, wherein: the base (1), the movable mould (2) and the fixed mould (3) are provided with holes corresponding to the positioning rod (4), and the inner diameter size of the holes is matched with the outer diameter size of the positioning rod (4).