CN212888727U - Adjustable nozzle of injection molding machine with extrusion opening - Google Patents

Abstract

The utility model discloses an extrusion port's injection molding machine nozzle with adjustable, including the injection molding machine board, the upper surface of injection molding machine board is provided with the nozzle, the fixed intercommunication in left end of nozzle has first extrusion port, the surface of first extrusion port is provided with the sleeve, the fixed intercommunication in telescopic left end has the second extrusion port, two mounting grooves, two have been seted up to the inside of nozzle the inside of mounting groove all is provided with a set of electric heating wire. This extrusion mouthful injection molding machine nozzle with adjustable, through setting up the sleeve, rotatable sleeve takes off or installs on first extrusion mouth, extrudes the fused plastics through great first extrusion mouth when taking off the sleeve, when installing the sleeve on first extrusion mouth simultaneously, extrude the fused plastics through the second extrusion mouth, consequently can change the size of extrusion mouth, and then the convenience is controlled the extrusion capacity of fused plastics and is extruded the speed, has improved injection molding machine nozzle's practicality.

Description

Adjustable nozzle of injection molding machine with extrusion opening

Technical Field

The utility model belongs to the technical field of the injection molding machine, concretely relates to extrusion outlet's injection molding machine nozzle with adjustable.

Background

An injection molding machine is also known as an injection molding machine or an injection machine. It is a main forming equipment for making various shaped plastic products from thermoplastic plastics or thermosetting plastics by using plastic forming mould. The device is divided into a vertical type, a horizontal type and a full-electric type. The injection molding machine can heat the plastic, apply high pressure to the molten plastic, and inject it to fill the mold cavity.

The injection molding machine is before injection moulding, be through the nozzle with the injection of molten plastics to the mould die cavity, and current injection molding machine nozzle extrusion opening size is all fixed, can't adjust, consequently at the difficult control to the molten plastics extrusion capacity, and then reduced the practicality of injection molding machine nozzle, the clearance often need be taken out to the nozzle of injection molding machine simultaneously, and when pegging graft the installation with the mould die cavity once more, artifical manual grafting is pegged graft the alignment very easily and is inaccurate, poor stability, cause the excessive of molten plastics easily, we propose the injection molding machine nozzle of extrusion opening with adjustable for this reason.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an extrusion mouthful injection molding machine nozzle with adjustable to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an injection molding machine nozzle with adjustable extrusion openings comprises an injection molding machine table, wherein a nozzle is arranged on the upper surface of the injection molding machine table, a first extrusion opening is fixedly communicated with the left end of the nozzle, a sleeve is arranged on the outer surface of the first extrusion opening, a second extrusion opening is fixedly communicated with the left end of the sleeve, two mounting grooves are formed in the nozzle, a group of electric heating wires are arranged in each of the two mounting grooves, a sealing heat-conducting plate is fixedly connected to the port part of each of the two mounting grooves, two snap rings are fixedly connected to the outer surface of the nozzle, a connecting plate is fixedly connected between the two snap rings, a hollow chamber is arranged in the injection molding machine table, a lead screw is rotatably connected to the inner part of the hollow chamber, a thread block is connected to the outer surface of the lead screw, and a limiting slide rail is, the inner part of the limiting slide rail is connected with a limiting slide block in a sliding mode, the thread block is fixedly connected with the limiting slide block, the upper surface of the thread block is fixedly connected with an extension plate, and the extension plate is fixedly connected with the connecting plate.

Preferably, the inner wall of the sleeve is fixedly connected with a rubber sealing ring, and the rubber sealing ring is in transition fit with the first extrusion port.

Preferably, one side of the inside of the hollow chamber is fixedly connected with an installation bearing, and the left end of the screw rod is fixed with an inner ring of the installation bearing.

Preferably, the right end of the screw rod penetrates through and extends to the outside of the hollow chamber, the crank is fixedly connected with the screw rod, and a limiting bearing is arranged at the joint of the screw rod and the right side of the hollow chamber.

Preferably, a strip-shaped hole is formed in the upper surface of the hollow chamber, and the extension plate penetrates through the strip-shaped hole and is matched with the width of the strip-shaped hole.

Preferably, the second extrusion opening is smaller than the first extrusion opening.

Preferably, the outer surface of the first extrusion port is provided with thread teeth, the inner wall of the sleeve is provided with thread grooves, and the first extrusion port is in threaded connection with the sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) this extrusion mouthful injection molding machine nozzle with adjustable, through setting up the sleeve, rotatable sleeve takes off or installs on first extrusion mouth, extrude the fused plastics through great first extrusion mouth when taking off the sleeve, when installing the sleeve on first extrusion mouth simultaneously, extrude the fused plastics through the second extrusion mouth, consequently can change the size of extrusion mouth, and then the convenience is controlled the extrusion capacity of fused plastics and is extruded the speed, has improved injection molding machine nozzle's practicality.

(2) The injection molding machine nozzle of the adjustable extrusion port is provided with the electric heating wire, and the electric heating wire is heated and the heat conduction plate is sealed to conduct heat, the molten plastic passing through the nozzle is kept at a certain temperature, so that the molten plastic is prevented from being cooled and solidified in a nozzle channel to cause blockage during extrusion, and the crank is arranged, when taking out the mould die cavity on the injection molding machine to the nozzle, rotate the crank and drive the lead screw and rotate, the lead screw rotates under spacing slide rail and spacing slider's limiting displacement, drive the thread block, the mould die cavity of injection molding machine is kept away from gradually to extension plate and nozzle, the same reason makes the nozzle remain linear motion throughout when installing the nozzle, the accuracy after the installation grafting at every turn has been improved, inaccurate after avoiding artifical handheld nozzle to peg graft, cause the excessive of melting plastics, and the operation is comparatively simple, the operating efficiency who tears the nozzle ann open is improved.

Drawings

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

fig. 2 is an enlarged view of the structure of fig. 1 at a;

fig. 3 is an enlarged view of the structure of fig. 1 at B according to the present invention;

fig. 4 is a schematic view of the hollow chamber of the present invention in a partial top view;

fig. 5 is a schematic side view of the snap ring of the present invention.

In the figure: 1. a machine table of an injection molding machine; 2. a nozzle; 3. a first extrusion port; 4. a sleeve; 5. a second extrusion opening; 6. mounting grooves; 7. an electric heating wire; 8. sealing the heat conducting plate; 9. a snap ring; 10. a connecting plate; 11. a hollow chamber; 12. a screw rod; 13. a thread block; 14. a limiting slide rail; 15. a limiting slide block; 16. an extension plate; 17. a rubber seal ring; 18. a crank; 19. and (4) strip-shaped holes.

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. 1-5, the utility model provides an injection molding machine nozzle with adjustable extrusion port, which comprises an injection molding machine table 1, a nozzle 2 is arranged on the upper surface of the injection molding machine table 1, a first extrusion port 3 is fixedly communicated with the left end of the nozzle 2, a sleeve 4 is arranged on the outer surface of the first extrusion port 3, a second extrusion port 5 is fixedly communicated with the left end of the sleeve 4, two mounting grooves 6 are arranged in the nozzle 2, a set of electric heating wires 7 are arranged in the two mounting grooves 6, a sealing heat conducting plate 8 is fixedly connected with the port parts of the two mounting grooves 6, two snap rings 9 are fixedly connected with the outer surface of the nozzle 2, a connecting plate 10 is fixedly connected between the two snap rings 9, a hollow chamber 11 is arranged in the injection molding machine table 1, a screw rod 12 is rotatably connected in the hollow chamber 11, and a thread block 13, the inner bottom of the hollow chamber 11 is fixedly connected with a limiting slide rail 14, the limiting slide rail 14 is slidably connected with a limiting slide block 15, the thread block 13 is fixedly connected with the limiting slide block 15, the upper surface of the thread block 13 is fixedly connected with an extension plate 16, and the extension plate 16 is fixedly connected with the connecting plate 10.

In this embodiment, preferably, the inner wall of the sleeve 4 is fixedly connected with a rubber sealing ring 17, and the rubber sealing ring 17 is in transition fit with the first extrusion opening 3 to avoid overflowing of the molten plastic.

In this embodiment, preferably, a mounting bearing is fixedly connected to one side of the interior of the hollow chamber 11, and the left end of the screw rod 12 is fixed to an inner ring of the mounting bearing.

In this embodiment, preferably, the right end of the screw rod 12 penetrates and extends to the outside of the hollow chamber 11, and is fixedly connected with the crank 18, and a limit bearing is arranged at the right side connection position of the screw rod 12 and the hollow chamber 11, so that the stability of the screw rod 12 is improved.

In this embodiment, preferably, the upper surface of the hollow chamber 11 has been provided with a strip-shaped hole 19, and the extension plate 16 runs through the strip-shaped hole 19 and matches with the width of the strip-shaped hole 19, and the extension plate 16 is convenient to move by setting up the strip-shaped hole 19, and is further limited to the extension plate 16.

In this embodiment, it is preferable that the second extrusion port 5 is smaller than the first extrusion port 3, and the extrusion amount and the speed of the molten plastic are changed through the second extrusion port 5.

In this embodiment, preferably, the outer surface of the first extrusion opening 3 is provided with screw teeth, the inner wall of the sleeve 4 is provided with screw grooves, and the first extrusion opening 3 is in threaded connection with the sleeve 4, so as to facilitate the installation and removal of the sleeve 4.

The utility model discloses a theory of operation and use flow: when the device is used, the sleeve 4 is arranged, the rotatable sleeve 4 is taken down or installed on the first extrusion port 3, when the sleeve 4 is taken down, the molten plastic is extruded through the larger first extrusion port 3, and when the sleeve 4 is installed on the first extrusion port 3, the molten plastic is extruded through the second extrusion port 5, so that the size of the extrusion port can be changed, the extrusion amount and the extrusion speed of the molten plastic can be conveniently controlled, the practicability of the injection molding machine nozzle 2 is improved, the molten plastic passing through the nozzle 2 is kept at a certain temperature by arranging the electric heating wire 7, heating of the electric heating wire 7 and heat conduction of the sealed heat conduction plate 8, the molten plastic is prevented from being cooled and solidified in the channel of the nozzle 2 to cause blockage during extrusion, by arranging the crank 18, when the nozzle 2 is taken out from a die cavity on the injection molding machine, the crank 18 is rotated to drive the screw rod 12 to rotate, lead screw 12 rotates under spacing slide rail 14 and limiting slide 15's limiting displacement, drive screw block 13, extension plate 16 and nozzle 2 keep away from the mould die cavity of injection molding machine gradually, make nozzle 2 remain linear motion throughout when installing nozzle 2 like the same reason, improved the accuracy after the installation is pegged graft at every turn, inaccurate after avoiding artifical handheld nozzle 2 to peg graft, cause the excessive of melting plastics, and the operation is comparatively simple, improve the operating efficiency who installs the dismantlement to the nozzle.

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 (7)

1. The utility model provides an extrusion outlet's injection molding machine nozzle with adjustable, includes injection molding machine board (1), its characterized in that: the upper surface of injection molding machine board (1) is provided with a nozzle (2), the left end of nozzle (2) is fixedly communicated with a first extrusion port (3), the outer surface of the first extrusion port (3) is provided with a sleeve (4), the left end of the sleeve (4) is fixedly communicated with a second extrusion port (5), two mounting grooves (6) are formed in the nozzle (2), a set of electric heating wires (7) are arranged in the two mounting grooves (6), a sealing heat-conducting plate (8) is fixedly connected to the port of the two mounting grooves (6), two snap rings (9) are fixedly connected to the outer surface of the nozzle (2), a connecting plate (10) is fixedly connected between the two snap rings (9), a hollow chamber (11) is arranged in the injection molding machine board (1), and a lead screw (12) is rotatably connected to the inner part of the hollow chamber (11), the outer surface threaded connection of lead screw (12) has screw block (13), the interior bottom fixedly connected with of hollow chamber (11) is spacing slide rail (14), the inside sliding connection of spacing slide rail (14) has spacing slider (15), screw block (13) with fixed connection between spacing slider (15), the last fixed surface of screw block (13) is connected with extension plate (16), extension plate (16) with fixed connection between connecting plate (10).

2. The adjustable extrusion orifice injection molding machine nozzle of claim 1, wherein: the inner wall fixedly connected with rubber seal (17) of sleeve (4), rubber seal (17) with first extrusion mouth (3) transition fit.

3. The adjustable extrusion orifice injection molding machine nozzle of claim 1, wherein: and a mounting bearing is fixedly connected to one side in the hollow chamber (11), and the left end of the screw rod (12) is fixed with an inner ring of the mounting bearing.

4. The adjustable extrusion orifice injection molding machine nozzle of claim 1, wherein: the right end of the screw rod (12) penetrates through and extends to the outside of the hollow chamber (11), the crank (18) is fixedly connected with the right end of the screw rod, and a limiting bearing is arranged at the right side connecting position of the screw rod (12) and the hollow chamber (11).

5. The adjustable extrusion orifice injection molding machine nozzle of claim 1, wherein: a strip-shaped hole (19) is formed in the upper surface of the hollow chamber (11), and the extension plate (16) penetrates through the strip-shaped hole (19) and is matched with the width of the strip-shaped hole (19).

6. The adjustable extrusion orifice injection molding machine nozzle of claim 1, wherein: the second extrusion opening (5) is smaller than the first extrusion opening (3).

7. The adjustable extrusion orifice injection molding machine nozzle of claim 1, wherein: the outer surface of the first extrusion port (3) is provided with thread teeth, the inner wall of the sleeve (4) is provided with a thread groove, and the first extrusion port (3) is in threaded connection with the sleeve (4).

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