CN212579093U

CN212579093U - Open injection port type hot runner injection mold device

Info

Publication number: CN212579093U
Application number: CN202020715262.7U
Authority: CN
Inventors: 文世源
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2021-02-23
Anticipated expiration: 2030-05-06

Abstract

The utility model discloses an open mouth formula of moulding plastics hot runner injection mold device, including the cover half, the top of cover half is provided with the mount pad, and the one end that the mount pad top is close to the cover half is provided with the rotating electrical machines, the inside central point department of putting of cover half is provided with the toper and leads to the groove, the inboard that the toper leads to the groove is provided with the inner groovy, and the inside top of inner groovy and bottom all are provided with spiral electric heat ring, the inside intermediate position department of inner groovy is provided with annular electric heat plate. The utility model discloses a cooperation that mount pad, rotating electrical machines, cover half, toper stirring rake, annular electric plate, spiral electric heat ring, inner groovy, spiral draw ground paste, toper to lead to groove, spiral bulge loop and connecting axle is used, can realize increasing the path length that the groove is inside to pass through at the toper to the melting thick liquids, can fully guarantee the temperature that the groove is inside to lead to the toper through annular electric plate and the spiral electric heat ring of inner groovy.

Description

Open injection port type hot runner injection mold device

Technical Field

The utility model relates to an injection mold equipment technical field specifically is an open mouth formula of moulding plastics hot runner injection mold device.

Background

The injection mold is a tool for producing plastic products, and comprises a movable mold, a guide mechanism and a fixed mold, wherein molten slurry is injected into a cavity formed by the movable mold and the fixed mold through a hot runner pipe, when the slurry is cooled, the fixed mold is separated from the movable mold, and a workpiece is formed;

the prior open injection port type hot runner injection mold device injects melted slurry into a movable mold for molding through the matching of the movable mold, a fixed mold, a cavity, an injection port, a molten resin passage, a nozzle and a nozzle tip, and the following problems can be caused in the injection molding process:

1. although the existing open injection port type hot runner injection mold device injects slurry into a mold through a molten resin passage, the heat supplement effect of the molten slurry in the process of passing through the molten resin passage is very limited, the heating of the molten slurry cannot be further improved, the injection failure caused by the temperature reduction of the slurry is avoided, the slurry cannot be stirred to a certain extent when the slurry passes through the molten resin passage, and the quality of an injection molding finished product is prevented from being influenced due to insufficient mixing of components in the slurry;

2. the mouth formula hot runner injection mold device of moulding plastics that present opening often only is equipped with a set of fixed mounting's the nozzle of moulding plastics, when operation workman misoperation leads to thick liquids to solidify in the nozzle of moulding plastics department and plug up the nozzle of moulding plastics, often need stop the device longer time and clear up the nozzle of moulding plastics, can't change the nozzle of moulding plastics fast, reduces the time that the device stopped processing, avoids the subsequent production efficiency of english-female high.

Disclosure of Invention

An object of the utility model is to provide an open mouth formula of moulding plastics hot runner injection mold device 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 open injection port type hot runner injection mold device comprises a fixed mold, wherein a mounting seat is arranged at the top end of the fixed mold, a rotating motor is arranged at one end, close to the fixed mold, of the top of the mounting seat, a conical through groove is formed in the central position inside the fixed mold, an inner groove is formed in the inner side of the conical through groove, spiral electric heating rings are arranged at the top and the bottom inside the inner groove, an annular electric heating plate is arranged at the middle position inside the inner groove, spiral slurry is arranged inside the conical through groove, a conical stirring paddle is arranged inside the spiral slurry, a spiral convex ring is arranged outside the conical stirring paddle, a connecting shaft is arranged at the central position of the top of the conical stirring paddle, the top end of the connecting shaft penetrates through the mounting seat to be in transmission connection with the output end of the rotating motor, a slurry channel communicated with the conical through groove is arranged inside the, the one end of cover half bottom is provided with the threaded rod, and the intermediate position department cover in the threaded rod outside is equipped with the endotheca loose loop, the outside of endotheca loose loop is provided with swivel bearing, swivel bearing's the outside evenly is provided with four group's connecting plates, and the one end that swivel bearing was kept away from to the connecting plate be provided with the toper spout of moulding plastics that the inslot bottom communicates each other, the bottom screw thread in the threaded rod outside is provided with fixation nut, the bottom that the cover half is close to threaded rod one end is provided with the mount, and the top of mount is provided with the bolt, the bottom of bolt is passed the mount and is extended to under the mount, the top of connecting plate is provided with the slot.

Preferably, the top cover in the threaded rod outside is equipped with the spring, and the top of spring and the bottom fixed connection of cover half, the bottom of spring and the top fixed connection of endotheca loose loop.

Preferably, three groups of temperature indicators are uniformly arranged in the middle of one side of the fixed die, and the input end eye of each temperature indicator is provided with the inside of the conical through groove.

Preferably, a sealing ring is arranged at a non-circle center position of the bottom of the fixed die, and annular grooves matched with the sealing ring are formed in the bottom of the fixed die and the non-circle center position of the top of the injection molding nozzle.

Preferably, the top end of the bolt is provided with a hand-pulling ring, and the surface of the hand-pulling ring is provided with a rubber layer.

Preferably, a bearing is arranged at a position of the mounting seat close to the center of the rotating motor, and the inner side of the bearing is fixedly connected with the outer side of the connecting shaft.

Compared with the prior art, the utility model provides an open mouth formula of moulding plastics hot runner injection mold device possesses following beneficial effect:

1. the utility model discloses a cooperation of mount pad, rotating electrical machines, cover half, toper stirring rake, annular electric plate, spiral electric heat ring, inner groovy, the ground paste is drawn to the spiral, toper logical groove, spiral bulge loop and connecting axle is used, can realize increasing the path length that the molten slurry passes through inside the toper logical groove, can fully guarantee the temperature of the inside thick liquids of toper logical groove through annular electric plate and spiral electric heat ring inside the inner groovy, and through the rotation of toper stirring rake and spiral bulge loop, can stir the thick liquids of toper logical groove inside, improve the mixing uniformity of the inside composition of thick liquids, improve the quality of follow-up injection moulding product;

2. the utility model discloses a cover half, mount, the nozzle of moulding plastics, swivel bearing, fixation nut, bolt, slot, connecting plate, endotheca movable ring and threaded rod's cooperation is used, can realize when a set of nozzle of moulding plastics takes place to block up, and the new a set of nozzle of moulding plastics of fast switch-over reduces and changes a set of nozzle of moulding plastics and shut down longer time with whole processing equipment because of overhauing, influences whole injection moulding's efficiency.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a front sectional view of the present invention;

FIG. 3 is a schematic perspective view of the spiral slurry guide of the present invention;

FIG. 4 is an enlarged view of the point A of FIG. 2 according to the present invention;

fig. 5 is an enlarged view of the point B of fig. 2 according to the present invention.

In the figure: 1. a mounting seat; 2. a rotating electric machine; 3. fixing a mold; 4. a fixed mount; 5. an injection molding nozzle; 6. a rotating bearing; 7. fixing a nut; 8. a conical stirring paddle; 9. an annular electric heating plate; 10. a spiral electric heating ring; 11. an inner groove; 12. a slurry passage; 13. spirally guiding slurry; 14. a tapered through slot; 15. a spring; 16. a spiral convex ring; 17. a bolt; 18. a slot; 19. a connecting plate; 20. an inner sleeve movable ring; 21. a threaded rod; 22. a connecting shaft; 23. and (4) moving the mold.

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 present invention provides an embodiment: an open injection port type hot runner injection mold device comprises a fixed mold 3, a mounting seat 1 is arranged at the top end of the fixed mold 3, a rotating motor 2 is arranged at one end, close to the fixed mold 3, of the top of the mounting seat 1, a conical through groove 14 is arranged at the central position inside the fixed mold 3, an inner groove 11 is arranged inside the conical through groove 14, spiral electric heating rings 10 are arranged at the top and the bottom inside the inner groove 11, an annular electric heating plate 9 is arranged at the middle position inside the inner groove 11, spiral slurry guiding liquid 13 is arranged inside the conical through groove 14, a conical stirring paddle 8 is arranged inside the spiral slurry guiding liquid 13, a spiral convex ring 16 is arranged outside the conical stirring paddle 8, a connecting shaft 22 is arranged at the central position of the top of the conical stirring paddle 8, the top end of the connecting shaft 22 penetrates through the mounting seat 1 to be in transmission connection with the output end of the rotating motor 2, a slurry channel 12 communicated with the conical through, the one end of cover half 3 bottom is provided with threaded rod 21, and the intermediate position department cover in the threaded rod 21 outside is equipped with endotheca loose ring 20, the outside of endotheca loose ring 20 is provided with swivel bearing 6, swivel bearing 6's the outside evenly is provided with four group's connecting plate 19, and the one end that swivel bearing 6 was kept away from to connecting plate 19 is provided with the nozzle 5 of moulding plastics that communicates each other with the interior bottom of toper logical groove 14, the bottom screw thread in the threaded rod 21 outside is provided with fixation nut 7, the bottom that cover half 3 is close to threaded rod 21 one end is provided with mount 4, and the top of mount 4 is provided with bolt 17, the bottom of bolt 17 is passed mount 4 and is extended to mount 4 under, the top of connecting plate 19 is provided with the slot 18 of.

In this implementation, the top cover outside threaded rod 21 is equipped with spring 15, and the top of spring 15 and the bottom fixed connection of cover half 3, and the bottom of spring 15 and the top fixed connection of endotheca loose collar 20 help endotheca loose collar 20 to descend fast on threaded rod 21, avoids endotheca loose collar 20 card in the threaded rod 21 outside.

In this implementation, the intermediate position department of cover half 3 one side evenly is provided with three temperature indicator of group, and the input end eye of temperature indicator sets up the inside that the groove 14 was led to the toper, helps in time looking over the temperature of the inside top, middle part and the bottom of the groove 14 that leads to of toper.

In this implementation, the non-centre of a circle position department in cover half 3 bottom is provided with the sealing washer, and the bottom of cover half 3 and the non-centre of a circle position department in injection nozzle 5 top all are provided with the ring channel of mutually supporting with the sealing washer, help improving the leakproofness of injection nozzle 5 and cover half 3 bottom junction.

In this embodiment, a hand-pulling ring is disposed at the top end of the plug 17, and a rubber layer is disposed on the surface of the hand-pulling ring, so that the plug 17 can be lifted from the slot 18 by manual processing.

In this embodiment, a bearing is disposed at a position of the mounting base 1 close to the center of the rotating electrical machine 2, and the inner side of the bearing is fixedly connected with the outer side of the connecting shaft 22, which is helpful for improving the stability of the rotation of the connecting shaft 22 and the tapered stirring paddle 8.

The working principle is as follows: before use, the power is switched on, slurry is injected into the tapered through groove 14 through the slurry channel 12, the rotary motor 2, the annular electric heating plate 9 and the spiral electric heating ring 10 are controlled to start working by an external control panel, the fused slurry in the conical through groove 14 is forced to move along the spiral path of the spiral slurry guiding 13 by the pressure provided by the injected slurry, and in the process, the conical stirring paddle 8 and the spiral convex ring 16 stir the passing slurry to a certain degree, while the slurry moves along the spiral slurry guiding path 13, the slurry is also heated by the annular electric heating plate 9 and the spiral electric heating ring 10 inside the inner groove 11, the temperature conditions of the top, the middle and the bottom of the tapered through groove 14 can be known in real time through three groups of temperature indicators on the outer side of the fixed die 3, the slurry with the stable temperature is finally injected into the inside of the precession die 23 through the injection nozzle 5 for cooling and forming;

when the used injection nozzle 5 is blocked, the blocked injection nozzle 5 can be disconnected from the fixed die 3 by loosening the fixing nut 7, manually rotating the rotary bearing 6 to enable a new group of injection nozzles 5 to be positioned at the outlet of the tapered through groove 14, then clamping the bolt 17 into the slot 18 to enable the injection nozzle 5 to be accurately aligned with the outlet of the tapered through groove 14, and then screwing the fixing nut 7 to enable the inner sleeve movable ring 20 to be lifted until the new group of injection nozzles 5 can be tightly communicated with the outlet of the tapered through groove 14.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an open mouth of moulding plastics hot runner injection mold device, includes cover half (3), its characterized in that: the top end of the fixed die (3) is provided with a mounting seat (1), one end of the top of the mounting seat (1), which is close to the fixed die (3), is provided with a rotating motor (2), the central position inside the fixed die (3) is provided with a conical through groove (14), the inner side of the conical through groove (14) is provided with an inner groove (11), the top and the bottom inside the inner groove (11) are both provided with spiral electric heating rings (10), the middle position inside the inner groove (11) is provided with an annular electric heating plate (9), the inner side of the conical through groove (14) is provided with a spiral slurry guiding (13), the inner side of the spiral slurry guiding (13) is provided with a conical stirring paddle (8), the outer side of the conical stirring paddle (8) is provided with a spiral convex ring (16), the central position at the top of the conical stirring paddle (8) is provided with a connecting shaft (22), and the top end of the connecting shaft (22) penetrates through the mounting seat (1) to, the utility model discloses a mould injection device, including mount pad (1), cover, fixing base and fixing base, wherein the size channel (12) communicated with the conical through groove (14) is arranged in the inside of the fixing base (1), one end of the fixing base (3) is provided with a threaded rod (21), the middle position of the threaded rod (21) is sleeved with an inner sleeve movable ring (20), the outer side, the top of connecting plate (19) is provided with slot (18) of mutually supporting with bolt (17), the output of nozzle (5) of moulding plastics is provided with movable mould (23).

2. The open sprue gate-type hot runner injection mold apparatus of claim 1, wherein: the top cover in threaded rod (21) outside is equipped with spring (15), and the top of spring (15) and the bottom fixed connection of cover half (3), the bottom of spring (15) and the top fixed connection of endotheca loose ring (20).

3. The open sprue gate-type hot runner injection mold apparatus of claim 1, wherein: three groups of temperature indicators are uniformly arranged at the middle position of one side of the fixed die (3), and the input end eye of each temperature indicator is provided with the inside of the conical through groove (14).

4. The open sprue gate-type hot runner injection mold apparatus of claim 1, wherein: the non-circle center position of the bottom of the fixed die (3) is provided with a sealing ring, and the non-circle center positions of the bottom of the fixed die (3) and the top of the injection molding nozzle (5) are provided with annular grooves matched with the sealing ring.

5. The open sprue gate-type hot runner injection mold apparatus of claim 1, wherein: the top of bolt (17) is provided with hand power ring, and the surface of hand power ring is provided with the rubber layer.

6. The open sprue gate-type hot runner injection mold apparatus of claim 1, wherein: the bearing is arranged at the position, close to the center of the rotating motor (2), of the mounting seat (1), and the inner side of the bearing is fixedly connected with the outer side of the connecting shaft (22).