CN216032280U

CN216032280U - Injection device of injection molding machine

Info

Publication number: CN216032280U
Application number: CN202122558246.9U
Authority: CN
Inventors: 邱再熊; 梁优妃; 宋玉玺
Original assignee: Xinchang Yuli Casting Co ltd
Current assignee: Xinchang Yuli Casting Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-03-15
Anticipated expiration: 2031-10-22

Abstract

The utility model provides a glue injection device of an injection molding machine, which comprises a glue injection barrel, a screw rod arranged in the glue injection barrel, a screw rod rotation driving unit corresponding to the screw rod and a pushing oil cylinder; a injecting glue section of thick bamboo is closing on screw rod rotary drive unit one end and is corresponding to there being the feeder hopper, the feeder hopper passes through fixed establishment demountable installation on an injecting glue section of thick bamboo, and its exit coaxial arrangement has annular electromagnetic chuck, and an injecting glue section of thick bamboo top surface is hugged closely to annular electromagnetic chuck bottom surface. In this design, annular electromagnet switch on power forms the magnetic field, adsorbs the iron fillings in the material, guarantees to get into the clean of material in the injecting glue section of thick bamboo, and the magnetism disappears after the power failure of injecting glue section of thick bamboo, is convenient for clear away and collect its adsorbed iron fillings.

Description

Injection device of injection molding machine

Technical Field

The utility model belongs to the field of injection molding machine manufacturing, and particularly relates to a glue injection device of an injection molding machine.

Background

When injection molding machine injection moulding production, in order to prevent the iron fillings that mix in the material from blocking the screw rod in the injecting glue section of thick bamboo, or this iron fillings appear with screw rod wearing and tearing phenomenon to and appear because iron fillings seriously influence injection moulding product quality problem in the material, the material need filter iron fillings through filter equipment before getting into the injecting glue section of thick bamboo.

Notice No. CN202805534U patent discloses an injection molding machine filters feeder hopper, and it includes the feeder hopper, and the tail end of feeder hopper is equipped with filter equipment, and filter equipment comprises the magnet strip, forms a magnet frame between magnet strip and the magnet strip. When the material passes through the hopper, scrap iron contained in the material is attracted by the magnet frame. The design has the defects that the magnet frame needs to be frequently replaced, the replacement difficulty of the magnet frame is high, the time consumption is long, and the production efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to a glue injection device of an injection molding machine, so as to quickly collect and remove adsorbed iron filings.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

the injection device of the injection molding machine comprises a glue injection barrel, a screw rod arranged in the glue injection barrel, a screw rod rotation driving unit corresponding to the screw rod and a pushing oil cylinder;

a injecting glue section of thick bamboo is closing on screw rod rotary drive unit one end and is corresponding there is the feeder hopper, the feeder hopper passes through fixed establishment demountable installation on an injecting glue section of thick bamboo, and its exit coaxial arrangement has annular electromagnetic chuck, and an injecting glue section of thick bamboo top surface is hugged closely to annular electromagnetic chuck bottom surface.

Further, fixed establishment includes that a injecting glue section of thick bamboo top surface centers on the at least three double-screw bolt of feeder hopper setting to and the connecting plate that sets up on the feeder hopper, the double-screw bolt is worn out to match behind the connecting plate and is had lock nut.

Furthermore, a support nut is matched at the position below the connecting plate of the stud, and the stud is 30-50mm higher than the top surface of the connecting plate.

Further, the bottom of the annular electromagnetic chuck is provided with a flange part, the flange part is provided with a limiting hole, the top surface of the glue injection cylinder is provided with a limiting column corresponding to the limiting hole, and the limiting column penetrates out of the corresponding limiting hole.

Furthermore, two limiting holes are symmetrically arranged.

Furthermore, the limit column is 30-50mm higher than the top surface of the flange part.

Furthermore, a plurality of iron plates are uniformly arranged in the inner circumferential direction of the annular electromagnetic chuck, each iron plate is of a right-angled triangular plate structure, and the edges of the inclined edges of the iron plates are enclosed to form an inverted conical flow channel.

Compared with the prior art, the injection molding machine glue injection device has the following advantages:

(1) in this design, be provided with annular electromagnet in the feeder hopper exit, during the feeding operation, annular electromagnet switch on forms magnetic field, adsorbs the iron fillings in the material, guarantees to get into the interior material cleanness of a injecting glue section of thick bamboo, and a injecting glue section of thick bamboo outage back magnetism disappears, and the pressure equipment is fixed between annular electromagnet and the injecting glue section of thick bamboo, and annular electromagnet moves away along with the feeder hopper, is convenient for clear away and collect its absorbent iron fillings.

(2) In the design, the feeding hopper and the glue injection barrel are fixedly connected through the stud-locking nut, the stud is provided with the supporting nut, the feeding hopper carries the annular electromagnetic chuck to lift to a certain height and then is supported through the supporting nut, and an iron scrap collecting space is formed between the annular electromagnetic chuck and the glue injection barrel, so that a collecting box can be conveniently placed to collect iron scraps.

(3) In this design, the setting of spacing post guarantees that the feeder hopper promotes and whereabouts straightness nature, and then guarantees its relative injecting glue section of thick bamboo's position accuracy.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of a glue injection device of an injection molding machine according to the present embodiment;

FIG. 2 is a schematic structural view of the hopper and the glue injection tube in this embodiment;

FIG. 3 is a perspective view of the annular electromagnetic chuck of the present embodiment;

FIG. 4 is a bottom view of the annular electromagnetic chuck of this embodiment;

FIG. 5 is a perspective view of the iron plate in the present embodiment;

fig. 6 is a schematic view of the collection of iron filings impurities in the present example.

Description of reference numerals:

1-a screw rotation drive unit; 2-pushing the oil cylinder; 3, injecting glue into the tube; 4-screw rod; 5-a limiting column; 6-a fixing mechanism; 61-locking nut; 62-a connecting plate; 63-a support nut; 64-a stud; 7-a feed hopper; 8-ring-shaped electromagnetic chuck; 81-iron plate; 82-flange portion; 821-limiting holes; 9-collecting box.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1, the injection device of the injection molding machine comprises a glue injection cylinder 3, a screw 4 arranged in the glue injection cylinder, a screw rotation driving unit 1 corresponding to the screw 4, and a pushing cylinder 2. The screw, the screw rotation driving unit and the pushing cylinder of the injection molding machine are common structures of the injection molding machine, and are not described in detail herein. In this embodiment, an injecting glue section of thick bamboo 3 is corresponding near the one end of screw rod rotation driving unit 1 and is had feeder hopper 7, and the export cross-section of feeder hopper 7 bottom is circular, moulds plastics and feeds to injecting glue section of thick bamboo 3 through this export with the material, feeder hopper 7 passes through fixed establishment 6 demountable installation on injecting glue section of thick bamboo 3, and coaxial arrangement in 7 exits of feeder hopper has annular electromagnetic chuck 8, and annular electromagnetic chuck 8 is conventional structure, does not do not describe here in detail. In this embodiment, annular electromagnet 8 and feeder hopper 7 bolted connection, the top surface of a injecting glue section of thick bamboo 3 is hugged closely to 8 bottom surfaces of annular electromagnet.

As shown in fig. 2, the fixing mechanism 6 includes at least three studs 64 disposed around the feeding hopper 7 on the top surface of the glue injection barrel 3, and a connecting plate 62 disposed on the feeding hopper 7, in this embodiment, the connecting plate 62 is a circular ring plate structure, preferably four studs 64, and each stud 64 penetrates through the connecting plate 62 and is matched with a locking nut 61. The locking nut 61 is screwed into the pressing connecting plate 62 to fix the feed hopper 7 on the glue injection cylinder 3, and at the moment, the bottom surface of the annular electromagnetic chuck 8 is pressed on the top surface of the glue injection cylinder 3. During the operation of moulding plastics, 8 switch on power supplies of annular electromagnet, 8 production magnetism of annular electromagnet, when material export to the injecting glue section of thick bamboo through annular electromagnet 8 in the feeder hopper 7, iron fillings in the material are adsorbed to annular electromagnet 8, the operation of moulding plastics is accomplished the back, loosen lock nut 61, upwards lift up feeder hopper 7, annular electromagnet 8 rises thereupon, form the collection space between annular electromagnet 8 and the injecting glue section of thick bamboo 3 this moment, place collecting box 9 between annular electromagnet 8 and injecting glue section of thick bamboo 3, as shown in figure 6, 8 power supply disconnection of annular electromagnet, 8 magnetism of annular electromagnet disappears, its adsorbed iron fillings drop and collect in collecting box 9. After the collection is completed, the collecting box is removed, and the feed hopper 7 is locked and fixed on the glue injection cylinder 3 through the locking nut 61 again.

In the embodiment, in order to improve the operability of operators, the stud 64 is matched with the supporting nut 63 at a position below the connecting plate 62, and the stud 64 is 30-50mm higher than the top surface of the connecting plate 62. After the hopper 7 is lifted, the supporting nut 63 is moved upward until it supports the hopper 7, and then the scrap iron is collected using the collection box 9.

In this embodiment, the annular electromagnetic chuck 8 is as shown in fig. 3 and 4, a plurality of iron plates 81 are uniformly arranged in the inner circumferential direction of the annular electromagnetic chuck 8, the iron plates 81 are of a right-angled triangular plate structure, and as shown in fig. 5, the oblique edges of the plurality of iron plates 81 surround to form an inverted conical flow channel. After the power supply of the annular electromagnetic chuck 8 is switched on, the iron plates 81 are magnetized, materials in the feed hopper 7 flow through the conical flow channel and a space between every two adjacent iron plates 81, and in the material output process, iron chips are adsorbed by the inner surface of the annular electromagnetic chuck 8 and the iron plates, so that the iron chip removing effect in the materials is improved. The bottom of the annular electromagnetic chuck 8 is provided with a flange part 82, and two limiting holes 821 are symmetrically formed in the flange part. The top surface of the glue injection cylinder 3 is provided with two limiting columns 5 which correspond to the two limiting holes 821 one to one, and the limiting columns 5 penetrate through the corresponding limiting holes 821, as shown in fig. 2 and 3. In this embodiment, the spacing column 5 is 30-50mm higher than the top surface of the flange 82. The setting of spacing post 5 improves 7 mounted position accuracies of feeder hopper, improves the operating personnel controllability.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. Injection molding machine penetrates mucilage binding and puts its characterized in that: the glue injection device comprises a glue injection barrel (3), a screw (4) arranged in the glue injection barrel, a screw rotation driving unit (1) and a pushing oil cylinder (2) corresponding to the screw (4);

a feeder hopper (7) is correspondingly arranged at one end of the glue injection cylinder (3) close to the screw rod rotation driving unit (1), an annular electromagnetic chuck (8) is coaxially arranged at the outlet of the feeder hopper (7), the feeder hopper (7) is detachably arranged on the glue injection cylinder (3) through a fixing mechanism (6), and the bottom surface of the annular electromagnetic chuck (8) is tightly attached to the top surface of the glue injection cylinder (3).

2. The injection molding machine glue injection apparatus of claim 1, wherein: fixing mechanism (6) are including injecting glue barrel (3) top surface around at least three double-screw bolt (64) that feeder hopper (7) set up to and connecting plate (62) that set up on feeder hopper (7), matching has lock nut (61) after connecting plate (62) is worn out in double-screw bolt (64).

3. The injection molding machine glue injection apparatus of claim 2, wherein: the stud (64) is matched with a support nut (63) at the position below the connecting plate (62), and the stud (64) is 30-50mm higher than the top surface of the connecting plate (62).

4. The injection molding machine glue injection apparatus of claim 1, wherein: the bottom of the annular electromagnetic chuck (8) is provided with a flange part (82), the flange part is provided with a limiting hole (821), the top surface of the glue injection barrel (3) is provided with a limiting column (5) corresponding to the limiting hole (821), and the limiting column (5) penetrates out of the corresponding limiting hole (821).

5. The injection molding machine glue injection apparatus of claim 4, wherein: two limiting holes (821) are symmetrically arranged.

6. The injection molding machine glue injection apparatus of claim 4, wherein: the limiting column (5) is 30-50mm higher than the top surface of the flange part (82).

7. The injection molding machine glue injection apparatus of claim 1, wherein: a plurality of iron plates (81) are uniformly arranged in the inner circumferential direction of the annular electromagnetic chuck (8), the iron plates (81) are of a right-angled triangular plate structure, and the edges of the inclined edges of the iron plates (81) are enclosed to form an inverted conical flow channel.