CN218111527U - Injection molding head for injection molding machine - Google Patents

Abstract

The utility model discloses an injection molding machine is with head of moulding plastics relates to injection molding machine technical field, including base, fixed pipe, activity head and ejection of compact head, fixed pipe and base fixed connection, the activity head closes soon through the screw thread with the fixed pipe other end and is connected, the ejection of compact head is equipped with a plurality ofly, just ejection of compact head circumference distributes in the first one side of keeping away from fixed pipe of activity, the inside first passage that is equipped with of base, the inside second passage that is equipped with of fixed pipe, first passage and second passage intercommunication, the inside a plurality of passage chambeies that still are equipped with of activity head, the passage chamber sets up with the first one-to-one correspondence of ejection of compact, the inside coupling assembling that is used for with the passage chamber joint that is equipped with of second passage. The utility model discloses in, through the coupling assembling that the activity head that sets up, ejection of compact head and cooperation were used, can conveniently carry out quick adjustment to ejection of compact head, need not to dismantle, can change the ejection of compact head of different model bores, the use of conveniently moulding plastics improves the efficiency of moulding plastics.

Description

Injection molding head for injection molding machine

Technical Field

The utility model relates to an injection molding machine technical field especially relates to an injection molding head for injection molding machine.

Background

An injection molding machine, also known as an injection molding machine or an injection molding machine, is a main molding device for molding thermoplastic plastics or thermosetting plastics into plastic products of various shapes by using a plastic molding mold.

The injection molding machine receives extensive use at modern times, however, the injection molding machine is extruding to hot melt plastics, to the fashioned in-process in mould die cavity, some shortcomings below often can appear, current injection moulding equipment often exerts thrust through the head of moulding plastics and extrudes hot melt plastics from the opening part, and the head of moulding plastics of different model specifications need be used according to the extrusion molding requirement, but in the in-service use process, when carrying out extrusion molding, because the product model that needs to mould plastics differs, consequently, the head of moulding plastics of frequent change of general needs, and need change with the help of the instrument, it is comparatively troublesome, also influence the efficiency of moulding plastics equally.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems, the invention provides a grinding device for a special-shaped workpiece of a vertical machining center.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an injection molding head for an injection molding machine comprises a base, a plurality of fixed pipes, a movable head and a discharging head, wherein the fixed pipes are fixedly connected with the base, the movable head is screwed with the other end of the fixed pipes through threads, the discharging heads are arranged in a plurality of numbers, the discharging heads are circumferentially distributed on one side, far away from the fixed pipes, of the movable head, a first material guide pipe is arranged inside the base, a second material guide pipe is arranged inside the fixed pipe and communicated with the first material guide pipe, a plurality of material guide cavities are further arranged inside the movable head, the material guide cavities and the discharging heads are arranged in a one-to-one correspondence mode, and a connecting assembly used for being connected with the material guide cavities in a clamping mode is arranged inside the second material guide pipe;

coupling assembling is including fixed setting at the inside fixed sleeve of second passage, the inside slip of fixed sleeve is equipped with the movable tube, the movable tube is located the fixed sealed pad that is equipped with of the inside one end of fixed sleeve, sealed pad and fixed sleeve inner wall movive seal, just still be equipped with the second spring between sealed pad and the inside bottom of fixed sleeve, the feed port of making things convenient for the feeding is seted up to the movable tube lateral wall.

As a further description of the above technical solution:

one end of the movable pipe, which is far away from the fixed sleeve, is of an arc-shaped structure, and a rubber pad is coated on the outer surface of the movable pipe.

As a further description of the above technical solution:

and a piston plate is further arranged at one end, far away from the connecting assembly, inside the second material guide pipe, a first spring is arranged between the piston plate and the inner wall of the second material guide pipe, and the piston plate and the inner wall of the second material guide pipe are in movable sealing.

As a further description of the above technical solution:

the discharge heads are different in diameter model.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model discloses in, through the coupling assembling that the activity head that sets up, ejection of compact head and cooperation were used, can conveniently carry out quick adjustment to ejection of compact head, need not to dismantle, can change the ejection of compact head of different model bores, the use of conveniently moulding plastics improves the efficiency of moulding plastics.

Drawings

Fig. 1 shows a schematic diagram of an overall appearance structure provided according to the present invention;

fig. 2 shows a schematic view of an overall cross-sectional structure provided according to the present invention;

fig. 3 shows a schematic view of a partially enlarged structure of fig. 2 according to the present invention;

fig. 4 shows a schematic diagram of the partial a structure of fig. 3 according to the present invention.

Illustration of the drawings: 1. a base; 2. a fixed tube; 3. a movable head; 4. discharging a stub bar; 5. a connection assembly; 6. a first material guide pipe; 7. a second material guiding pipe; 8. a piston plate; 9. a first spring; 51. a fixed sleeve; 52. a movable tube; 53. a gasket; 54. a second spring; 55. a feed port.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an injection molding head for an injection molding machine comprises a base 1, a fixed pipe 2, a plurality of movable heads 3 and a plurality of discharging heads 4, wherein the fixed pipe 2 is fixedly connected with the base 1, the other ends of the movable heads 3 and the fixed pipe 2 are connected in a screwing manner through threads, the discharging heads 4 are arranged in a plurality of numbers, the discharging heads 4 are circumferentially distributed on one side, away from the fixed pipe 2, of the movable heads 3, a first material guide pipe 6 is arranged inside the base 1, a second material guide pipe 7 is arranged inside the fixed pipe 2, the first material guide pipe 6 is communicated with the second material guide pipe 7, a plurality of material guide cavities are further arranged inside the movable heads 3, the material guide cavities and the discharging heads 4 are arranged in a one-to-one correspondence manner, a connecting assembly 5 used for being connected with the material guide cavities in a clamping manner is arranged inside the second material guide pipe 7, and the discharging heads 4 are different in type; in the actual use process, a cavity is further formed in the middle of the movable head 3, the second material guide pipe 7 is rotatably inserted into the cavity, and the material guide cavity is communicated with the cavity.

The connecting assembly 5 comprises a fixed sleeve 51 fixedly arranged inside the second material guide pipe 7, a movable pipe 52 is arranged inside the fixed sleeve 51 in a sliding mode, the movable pipe 52 is located at one end inside the fixed sleeve 51 and fixedly provided with a sealing gasket 53, the sealing gasket 53 and the inner wall of the fixed sleeve 51 are in dynamic sealing, a second spring 54 is further arranged between the sealing gasket 53 and the bottom end inside the fixed sleeve 51, and a feeding hole 55 facilitating feeding is formed in the side wall of the movable pipe 52.

Further, one end, far away from the fixed sleeve 51, of the movable pipe 52 is of an arc-shaped structure, a rubber pad is coated on the outer surface of the movable pipe 52, the top of the movable pipe 52 is arc-shaped and can be conveniently clamped with the material guide cavity, and the rubber pad is coated on the top of the movable pipe, so that the sealing performance of the joint can be improved.

Further, a piston plate 8 is further arranged at one end, far away from the connecting assembly 5, inside the second material guiding pipe 7, a first spring 9 is arranged between the piston plate 8 and the inner wall of the second material guiding pipe 7, and the piston plate 8 and the inner wall of the second material guiding pipe 7 are in movable sealing; in the in-service use process, when the material is inside from leading-in second passage 7 of first passage 6, the material can flow toward the sealed end of second passage 7 equally, sets up piston plate 8 and first spring 9, can pile up the material back at the sealed end of second passage 7, with the material propelling movement forward, avoids the material to pile up the jam.

The working principle is as follows: during the use, when needs switch ejection of compact head 4, only need rotate movable head 3, make movable head 3 rotate 90, movable head 3 is rotating the in-process, movable pipe 52 can the atress extruded, after 90 when movable head 3 rotates afterwards, movable pipe 52 can reset under the effect of second spring 54 and pop out again this moment, and with new guide chamber joint, begin to the feed of another ejection of compact head 4, need not to dismantle the change ejection of compact head 4, and is simple and convenient, and the efficiency of moulding plastics is improved.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims (4)

1. An injection molding head for an injection molding machine comprises a base (1), a fixed pipe (2), a movable head (3) and a discharging head (4), wherein the fixed pipe (2) is fixedly connected with the base (1), the other end of the movable head (3) is screwed with the other end of the fixed pipe (2) through threads, a plurality of discharging heads (4) are arranged, the discharging heads (4) are circumferentially distributed on one side, away from the fixed pipe (2), of the movable head (3), a first material guide pipe (6) is arranged inside the base (1), a second material guide pipe (7) is arranged inside the fixed pipe (2), the first material guide pipe (6) is communicated with the second material guide pipe (7), a plurality of material guide cavities are further arranged inside the movable head (3), and the material guide cavities and the discharging heads (4) are arranged in one-to-one correspondence, and the injection molding head is characterized in that a material guide connection assembly (5) which is connected with the material guide cavities in a clamping manner is arranged inside the second material guide pipe (7);

coupling assembling (5) are including fixed sleeve (51) that sets up in second passage (7) inside, fixed sleeve (51) inside slip is equipped with movable pipe (52), movable pipe (52) are located fixed sealed pad (53) that is equipped with of the inside one end of fixed sleeve (51), sealed pad (53) and fixed sleeve (51) inner wall movive seal, just still be equipped with second spring (54) between sealed pad (53) and the inside bottom of fixed sleeve (51), feed port (55) have been seted up to movable pipe (52) lateral wall.

2. An injection head for an injection molding machine according to claim 1, wherein an end of the movable tube (52) remote from the fixed sleeve (51) is of an arc-shaped configuration, and an outer surface of the movable tube (52) is coated with a rubber pad.

3. An injection head for an injection molding machine according to claim 1, wherein a piston plate (8) is further disposed at an end of the interior of the second material guiding pipe (7) far away from the connecting assembly (5), a first spring (9) is disposed between the piston plate (8) and the inner wall of the second material guiding pipe (7), and the piston plate (8) is in dynamic seal with the inner wall of the second material guiding pipe (7).

4. An injection head for an injection molding machine according to any one of claims 1-3, wherein a plurality of said discharge heads (4) are of different caliber type.

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