CN220348921U - Leak-proof injection molding machine - Google Patents

Abstract

The utility model discloses a leakage-proof injection molding machine, which comprises an injection molding machine main body, wherein a transverse pipe is arranged at the side part of the injection molding machine main body, a vertical pipe is fixed on the transverse pipe, a guide ring is fixed in the transverse pipe, a conical groove is formed in the middle point of the guide ring, a movable plate is further arranged in the transverse pipe, and a conical plugging block is fixed on the movable plate; the top of standpipe runs through and is provided with multistage telescopic cylinder, and multistage telescopic cylinder's output is fixed with the clearance ring. This injection molding machine that prevents leaking is provided with multistage telescopic cylinder and clearance ring, and when using, plastic raw materials can get into the standpipe from horizontal pipe to finally discharge to the mould from the standpipe bottom in, when stopping moulding plastics, can open this multistage telescopic cylinder and drive the clearance ring and carry out vertical movement, can make the clearance ring with the inside remaining plastic raw materials of standpipe together push into the mould in, and then avoid plastic raw materials to remain at the inside whereabouts of standpipe and cause revealing.

Description

Leak-proof injection molding machine

Technical Field

The utility model relates to the technical field related to injection molding machines, in particular to a leakage-proof injection molding machine.

Background

The injection molding machine is a main device for manufacturing plastic products, can meet the production requirements of plastic products with various shapes and sizes, can produce a large amount of products in a short time, can greatly improve the production efficiency and reduce the production cost.

The utility model discloses a chinese patent of publication No. CN214872272U, it discloses a leak-proof injection molding machine injection molding head, including injection molding pipe, blanking plug frame and shower nozzle, injection molding pipe includes main pipe and inner core, the inner core is installed at the middle part of being responsible for, and inner core and the integrated into one piece that is responsible for, the blanking plug frame is installed at the middle part of inner core, and blanking plug frame and be responsible for fixed connection, the shower nozzle is installed at the lower extreme of being responsible for, and the shower nozzle can dismantle fixed connection with being responsible for, guarantees that the user need at first install the blanking plug frame in the inside of being responsible for before being responsible for the installation, installs on the installation ear of being responsible for through the connecting plate, guarantees to fix connecting plate and installation ear each other through the bolt between, just so can interconnect between injection molding pipe and the blanking plug frame, guarantees that the toper piece can be stable the jam in the toper blown down tank under support of supporting spring, just so realizes blockking up the flow of raw materials in the main pipe.

To sum up, above-mentioned patent can be in compression state when moulding plastics under the pressure effect at the spring, this moment plastics raw materials can flow to in the mould in moulding plastics the pipe, when stopping moulding plastics, along with the disappearance of pressure, the spring can drive the toper piece and carry out the shutoff to the inside inner core of moulding plastics the pipe to this avoids plastics raw materials to flow out and causes revealing, because above-mentioned patent can not drain plastics raw materials in the pipe of moulding plastics when its pipe of moulding plastics is plastics raw materials in the discharge, consequently the pipe of moulding plastics still can remain partial plastics raw materials in its bottom after discharging plastics raw materials, and then lead to plastics raw materials to flow out and cause the leakage easily, secondly, because plastics raw materials its viscidity is great after heating, above-mentioned patent spring receives its flexible effect of the influence of plastics raw materials easily, and then influences the shutoff effect of toper piece to the inside inner core of moulding plastics pipe.

Disclosure of Invention

The utility model aims to provide a leakage-proof injection molding machine, which solves the problems that the injection molding pipe of the patent proposed in the prior art can not drain out plastic raw materials in the injection molding pipe when the plastic raw materials are discharged, and the spring of the patent is easily influenced by the viscosity of the plastic raw materials to have the telescopic effect.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a leak-proof injection molding machine comprises an injection molding machine main body,

the side part of the injection molding machine main body is provided with a transverse pipe, a vertical pipe is fixed on the transverse pipe, a guide ring is fixed in the transverse pipe, a conical groove is formed in the middle point of the guide ring, a movable plate is further arranged in the transverse pipe, and a conical plugging block is fixed on the movable plate;

the top of standpipe runs through and is provided with multistage telescopic cylinder, and multistage telescopic cylinder's output is fixed with the clearance ring.

Through adopting above-mentioned technical scheme, when using, plastic raw materials can get into the standpipe from horizontal pipe to finally discharge to the mould from the standpipe bottom in, when stopping moulding plastics, can open this multistage flexible cylinder and drive the clearance ring and carry out vertical movement, can make the clearance ring with the inside remaining plastic raw materials of standpipe together push into the mould in, and then avoid plastic raw materials to remain and cause revealing in the standpipe is inside, and its leak protection effect is better.

Preferably, the lateral part of injection molding machine main part is provided with the inlet pipe, violently manage the cover and locate on the inlet pipe, and be threaded connection between inlet pipe and the violently manage.

Through adopting above-mentioned technical scheme, during plastics raw materials can get into horizontal pipe from the inlet pipe after melting of injection molding machine main part, inlet pipe and horizontal pipe threaded connection's mode can conveniently dismantle horizontal pipe and standpipe and overhaul.

Preferably, a round hole is formed in the top of the transverse tube, a piston ring is arranged in the round hole, the piston ring is connected with the movable plate through a connecting rod, a spring is fixed in the round hole, and the spring is connected with the piston ring.

Through adopting above-mentioned technical scheme, after the plastics raw materials gets into in the violently pipe, can drive fly leaf and shutoff piece and remove to the one end of keeping away from the water conservancy diversion ring under the effect of pressure, make shutoff piece and the inside toper groove separation of water conservancy diversion ring, then plastics raw materials then can flow into standpipe and arrange inside the mould, after waiting to mould plastics, along with the disappearance of pressure, the inside spring of round hole can drive the piston ring and reset, the piston ring can drive fly leaf and toper shutoff piece through the connecting rod and remove to the one end that is close to the water conservancy diversion ring, make toper shutoff piece carry out the shutoff to the inside toper groove of water conservancy diversion ring, in order to avoid plastics raw materials to flow out and cause revealing in the standpipe, the setting of this round hole and piston ring can avoid sticky plastics raw materials to lead to the fact the influence to the extension of spring, and then improve the shutoff effect of shutoff piece to the water conservancy diversion ring.

Preferably, rubber rings are sleeved on the outer wall of the piston ring and the outer wall of the cleaning ring.

Through adopting above-mentioned technical scheme, the shutoff effect of piston ring can be improved to the rubber circle in the piston ring outside, and the rubber circle in clearance ring outside can improve the clearance effect of clearance ring to the inside plastics raw materials of remaining of standpipe.

Preferably, the bottom of the inner side of the transverse tube is provided with a groove.

Through adopting above-mentioned technical scheme, after the toper shutoff piece seals up the inside toper groove of water conservancy diversion ring, unnecessary plastics raw materials in the violently pipe then can flow in the recess, and this recess can collect unnecessary plastics raw materials in the violently pipe, and then avoids in the violently pipe unnecessary plastics raw materials to flow to the standpipe.

Compared with the prior art, the utility model has the beneficial effects that: the anti-leakage injection molding machine comprises a main body,

(1) The multi-stage telescopic cylinder and the cleaning ring are arranged, when the multi-stage telescopic cylinder is used, plastic raw materials can enter the vertical pipe from the transverse pipe and finally are discharged into the die from the bottom of the vertical pipe, when injection molding is stopped, the multi-stage telescopic cylinder can be opened to drive the cleaning ring to vertically move, so that the cleaning ring can push the residual plastic raw materials in the vertical pipe into the die together, and further leakage caused by dripping of the residual plastic raw materials in the vertical pipe is avoided;

(2) The round hole and the piston ring are arranged, the spring is positioned in the round hole, the influence of viscous plastic raw materials on the expansion and contraction of the spring can be avoided, and then the plugging effect of the plugging block on the guide ring is improved.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic cross-sectional view of a cross-pipe and standpipe of the present utility model;

FIG. 3 is a schematic diagram of the structure of FIG. 2A according to the present utility model.

In the figure: 1. the injection molding machine comprises an injection molding machine main body 2, a feeding pipe 3, a transverse pipe 4, a vertical pipe 5, a guide ring 6, a movable plate 7, a conical plugging block 8, a round hole 9, a piston ring 10, a connecting rod 11, a spring 12, a multi-stage telescopic cylinder 13, a cleaning ring 14 and a groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: as shown in fig. 1, 2 and 3, a lateral part of an injection molding machine main body 1 is provided with a transverse pipe 3, a vertical pipe 4 is fixed on the transverse pipe 3, a guide ring 5 is fixed in the transverse pipe 3, a conical groove is formed in the middle point of the guide ring 5, a movable plate 6 is also arranged in the transverse pipe 3, and a conical blocking block 7 is fixed on the movable plate 6;

the top of standpipe 4 runs through and is provided with multistage telescopic cylinder 12, and the output of multistage telescopic cylinder 12 is fixed with clearance ring 13.

As shown in fig. 1 and 2, a feeding pipe 2 is arranged at the side part of an injection molding machine main body 1, a transverse pipe 3 is sleeved on the feeding pipe 2, and the feeding pipe 2 is in threaded connection with the transverse pipe 3.

As shown in fig. 2 and 3, a round hole 8 is formed in the top of the transverse tube 3, a piston ring 9 is arranged in the round hole 8, the piston ring 9 is connected with the movable plate 6 through a connecting rod 10, a spring 11 is fixed in the round hole 8, and the spring 11 is connected with the piston ring 9.

As shown in fig. 2 and 3, rubber rings are sleeved on the outer wall of the piston ring 9 and the outer wall of the cleaning ring 13.

As shown in fig. 2, the bottom of the inner side of the horizontal tube 3 is provided with a groove 14.

Working principle: the plastic raw materials can get into the violently pipe 3 from inlet pipe 2 after the heating and melting of injection molding machine main part 1, under the effect of pressure, the plastic raw materials can drive toper shutoff piece 7 and fly leaf 6 to the one end that keeps away from water conservancy diversion ring 5, piston ring 9 and connecting rod 10 can left movement this moment, the conical tank of water conservancy diversion ring 5 midpoint is in the open state, the plastic raw materials can get into standpipe 4 from the conical tank, and in the mould is got into from standpipe 4, open multistage telescopic cylinder 12 and drive clearance ring 13 vertical movement, can make clearance ring 13 extrude the plastics raw materials that remains in standpipe 4 in the mould totally, just so can avoid plastics raw materials to appear leaking and cause the pollution, after the injection molding, along with the disappearance of pressure, the inside spring 11 of round hole 8 can drive piston ring 9 to move to the right, piston ring 9 can drive fly leaf 6 and toper shutoff piece 7 to the one end that is close to water conservancy diversion ring 5 through connecting rod 10, toper shutoff piece 7 can carry out the shutoff to the conical tank of water conservancy diversion ring 5 midpoint, the recess bottom of violently pipe 3 can be to collect the plastics raw materials in the standpipe 3, in order to avoid plastics raw materials to get into standpipe 4.

This completes the entire operation and what is not described in detail in this specification is well known to those skilled in the art.

The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present utility model.

Although the present utility model has been described 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. The utility model provides a leak-proof injection molding machine, includes injection molding machine main part (1), its characterized in that:

the side part of the injection molding machine main body (1) is provided with a transverse pipe (3), a vertical pipe (4) is fixed on the transverse pipe (3), a guide ring (5) is fixed in the transverse pipe (3), a conical groove is formed in the middle of the guide ring (5), a movable plate (6) is further arranged in the transverse pipe (3), and a conical plugging block (7) is fixed on the movable plate (6);

the top of standpipe (4) runs through and is provided with multistage telescopic cylinder (12), and the output of multistage telescopic cylinder (12) is fixed with clearance ring (13).

2. The leak-proof injection molding machine of claim 1, wherein: the side of injection molding machine main part (1) is provided with inlet pipe (2), violently manage (3) cover and locate on inlet pipe (2), and be threaded connection between inlet pipe (2) and violently manage (3).

3. The leak-proof injection molding machine of claim 1, wherein: round holes (8) are formed in the tops of the transverse pipes (3), piston rings (9) are arranged in the round holes (8), the piston rings (9) are connected with the movable plate (6) through connecting rods (10), springs (11) are fixed in the round holes (8), and the springs (11) are connected with the piston rings (9).

4. A leak-proof injection molding machine as defined in claim 3, wherein: rubber rings are sleeved on the outer wall of the piston ring (9) and the outer wall of the cleaning ring (13).

5. The leak-proof injection molding machine of claim 1, wherein: the bottom of the inner side of the transverse tube (3) is provided with a groove (14).