CN216423317U

CN216423317U - Novel multicolor injection molding hot runner structure

Info

Publication number: CN216423317U
Application number: CN202123225150.7U
Authority: CN
Inventors: 李强
Original assignee: Tianjin Anglio Technology Co ltd
Current assignee: Tianjin Anglio Technology Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-05-03
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a novel polychrome hot runner structure of moulding plastics, which comprises a housing, the handle rotates through pivot and casing to be connected, the one end rigid coupling of handle has the worm, the outer wall and the worm wheel meshing of worm are connected, the one end rigid coupling of worm wheel has the connecting rod, the outer wall of connecting rod rotates through pivot and casing to be connected, spout and baffle sliding connection are passed through at the both ends of connecting rod, two the outer wall of baffle passes through spout and circulation pipeline sliding connection. This novel hot runner structure of moulding plastics of polychrome, through the handle, the worm, connecting rod and the cooperation between the liquid storage tank, the user rotates the handle, the handle drives the worm and rotates, the worm drives the worm wheel and rotates, the worm wheel drives the connecting rod and rotates clockwise, the connecting rod makes the baffle on right side remove downwards, the baffle can cut the right-hand member of circulating line, the realization is chewed at same heat and is carried out the change of different colours solutions, the problem that the hot runner structure of moulding plastics can't change the material colour of moulding plastics in same thermal resistance department has been solved.

Description

Novel multicolor injection molding hot runner structure

Technical Field

The utility model relates to a technical field that moulds plastics specifically is a novel polychrome hot runner structure of moulding plastics.

Background

Hot runners are a system of heating assemblies used in injection molds to inject molten plastic pellets into the mold cavity. The hot runner mold is a new structure that heats the runner and the runner of the conventional mold or the three-plate mold, and the runner do not need to be taken out during each forming, however, the existing injection hot runner structure cannot change the color of the injected material at the same thermal resistance, and cannot perform position locking after the color is switched.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel polychrome hot runner structure of moulding plastics to the material colour problem of can't changing the moulding plastics in same thermal resistance department that proposes in solving above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a novel polychrome hot runner structure of moulding plastics, includes the casing, its characterized in that: an injection molding device is arranged in the middle of the interior of the shell;

the injection molding device comprises a handle, a worm wheel, a connecting rod, a baffle, a circulating pipeline and a liquid storage tank;

the handle is connected with the casing through the pivot, the one end rigid coupling of handle has the worm, the outer wall and the worm wheel meshing of worm are connected, the one end rigid coupling of worm wheel has the connecting rod, the outer wall of connecting rod is connected with the casing rotation through the pivot, spout and baffle sliding connection are passed through at the both ends of connecting rod, two the outer wall of baffle passes through spout and circulation pipeline sliding connection, circulation pipeline's top and two deposit the liquid case and be linked together.

Preferably, the top of the casing is provided with two injection molding ports, and the bottoms of the injection molding ports are communicated with the liquid storage tank.

Preferably, a plurality of electric heating rods are installed on the inner wall of the casing.

Preferably, the bottom of the flow pipeline is provided with a hot nozzle.

Preferably, an auxiliary device is arranged above the inside of the machine shell;

the auxiliary device comprises a pull rod, a slide rod, a friction plate, a spring and a vertical plate;

the outer wall of pull rod passes through spout and casing sliding connection, the bottom rigid coupling of pull rod has the slide bar, spout and riser sliding connection are passed through on the outer wall left side of slide bar, the top and the casing looks rigid coupling of riser, the one end rigid coupling of slide bar has the friction disc, the one end and the worm of friction disc closely laminate, the spring has been cup jointed on the outer wall right side of slide bar, the both ends of spring respectively with friction disc and riser looks rigid coupling.

Compared with the prior art, the beneficial effects of the utility model are that: the novel multicolor injection molding hot runner structure comprises a handle, a worm wheel, a connecting rod, a baffle, a circulating pipeline and a liquid storage box, wherein the handle is rotated by a user, the handle drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the connecting rod to rotate clockwise, the connecting rod enables the baffle on the right side to move downwards, the baffle can cut the right end of the circulating pipeline and push a solution out device in the circulating pipeline by using pressure, the baffle on the left side can move upwards by the connecting rod, after the solution on the right side in the circulating pipeline is completely pushed out, the baffle on the left side enables the left side in the circulating pipeline to be communicated, so that the solution in the liquid storage box on the left side flows into the hot nozzle through the circulating pipeline, the solution with different colors can be replaced by the same hot nozzle, and the problem that the color of an injection molding material cannot be changed at the same thermal resistance position of the hot runner injection molding structure is solved;

through the pull rod, the slide bar, the friction disc, the cooperation between spring and the riser, the user stimulates the pull rod left, the pull rod drives the slide bar and removes, the slide bar drives the friction disc and removes, and compress the spring once more, the friction disc is not at the rotation of restriction worm this moment, after the device of moulding plastics changed the colour of solution, loosen the pull rod, the spring can kick-back, make the friction disc remove right, the friction disc laminates at the worm once more, prevent that the worm from rotating, the realization is locked the position this moment, the problem that the hot runner structure of moulding plastics can't carry out the position locking after switching the colour has been solved.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the housing, the injection port and the handle of FIG. 1;

FIG. 3 is a schematic view of the connection structure of the worm, the worm wheel and the connecting rod in FIG. 2;

fig. 4 is a schematic view of a connecting structure of the pull rod, the slide rod and the friction plate in fig. 2.

In the figure: 1. the device comprises a machine shell, 2, an electric heating rod, 3, an injection molding device, 301, a handle, 302, a worm, 303, a worm wheel, 304, a connecting rod, 305, a baffle plate, 306, a flow pipeline, 307, a liquid storage box, 4, an auxiliary device, 401, a pull rod, 402, a sliding rod, 403, a friction plate, 404, a spring, 405, a vertical plate, 5, an injection molding opening, 6 and a hot nozzle.

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. 1-4, the present invention provides a technical solution: a novel multi-color injection molding hot runner structure comprises a machine shell 1, an injection molding device 3 is arranged in the middle of the interior of the machine shell 1, the injection molding device 3 comprises a handle 301, a worm 302, a worm wheel 303, a connecting rod 304, a baffle 305, a flow pipeline 306 and a liquid storage tank 307, the handle 301 is rotatably connected with the machine shell 1 through a rotating shaft, the machine shell 1 rotatably supports the handle 301 through the rotating shaft, one end of the handle 301 is fixedly connected with the worm 302, the handle 301 drives the worm 302 to rotate, the outer wall of the worm 302 is connected with the worm wheel 303 in a meshed mode, the worm 302 drives the worm wheel 303 to rotate, one end of the worm wheel 303 is fixedly connected with the connecting rod 304, the worm wheel 303 drives the connecting rod 304 to rotate, the outer wall of the connecting rod 304 is rotatably connected with the machine shell 1 through the rotating shaft, the machine shell 1 rotatably supports the connecting rod 304 through the rotating shaft, two ends of the connecting rod 304 are slidably connected with the baffle 305 through chutes, the connecting rod 304 enables the baffle 305 to move up and down, the outer walls of the two baffles 305 are slidably connected with the flow pipeline 306 through chutes, the moving direction of the baffle 305 is limited by the circulating pipeline 306 through the sliding groove, the baffle 305 can block the circulation of the circulating pipeline 306, the top of the circulating pipeline 306 is communicated with the two liquid storage tanks 307, the solution in the liquid storage tanks 307 can flow into the circulating pipeline 306, two injection molding ports 5 are formed in the top of the machine shell 1, two solutions with different colors enter the device from the two injection molding ports 5, the bottom of each injection molding port 5 is communicated with the liquid storage tank 307, the solution is stored in the liquid storage tanks 307 through the injection molding ports 5, a plurality of electric heating rods 2 are installed on the inner wall of the machine shell 1, the electric heating rods 2 are used for heating the solution in the device, the bottom of the circulating pipeline 306 is provided with a heat nozzle 6, the heat nozzle 6 is used for keeping the temperature of the solution, and the solution is pressed out of the device by using pressure.

An auxiliary device 4 is arranged above the inside of the machine shell 1, the auxiliary device 4 comprises a pull rod 401, a sliding rod 402, a friction plate 403, a spring 404 and a vertical plate 405, the outer wall of the pull rod 401 is connected with the machine shell 1 in a sliding mode through a sliding groove, the machine shell 1 limits the moving direction of the pull rod 401 through the sliding groove, the bottom of the pull rod 401 is fixedly connected with the sliding rod 402, the pull rod 401 drives the sliding rod 402 to move left and right, the left side of the outer wall of the sliding rod 402 is connected with the vertical plate 405 in a sliding mode through the sliding groove, the vertical plate 405 limits the moving direction of the sliding rod 402 through the sliding groove, the top of the vertical plate 405 is fixedly connected with the machine shell 1, one end of the sliding rod 402 is fixedly connected with the friction plate 403, the sliding rod 402 drives the friction plate 403 to move, one end of the friction plate 403 is tightly attached to the worm 302, the friction plate 403 can limit the rotation of the worm 302, the right side of the outer wall of the sliding rod 402 is sleeved with the spring 404, the elastic coefficient of the spring 404 is 10-15N/cm, when the spring 404 is in a compressed state, the spring 404 has elastic forces on both sides, and both ends of the spring 404 are respectively fixed to the friction plate 403 and the riser 405, so that the movement of the friction plate 403 compresses the spring 404 again.

When the novel multicolor injection molding hot runner structure is used, firstly, an external power supply of an electric heating rod 2 is switched on, so that the electric heating rod 2 starts to heat the inside of the device, two solutions with different colors are poured into the inside of the device through two injection molding ports 5, the solution reaches a solution storage tank 307, the solution on the right side enters a flow pipeline 306 through the solution storage tank 307, the solution on the left side can be blocked by a baffle plate 305, the solution on the right side reaches a heat nozzle 6 through the flow pipeline 306, the heat nozzle 6 provides a maintaining temperature for melting, and the dissolved material is smoothly sent into a formulated mold cavity, when the color needs to be changed, a user pulls a pull rod 401 leftwards, the pull rod 401 drives a slide rod 402 to move, the slide rod 402 drives a friction plate 403 to move and compresses a spring 404 again, at the moment, the friction plate 403 does not limit the rotation of a worm 302, then the user rotates a handle 301, the handle 301 drives the worm 302 to rotate, the worm 302 drives a worm wheel 303 to rotate, the worm wheel 303 drives the connecting rod 304 to rotate clockwise, the connecting rod 304 enables the baffle 305 on the right side to move downwards, the baffle 305 can cut off the right end of the flow pipeline 306, the solution in the flow pipeline 306 is pushed out by pressure, meanwhile, the baffle 305 on the left side is moved upwards by the connecting rod 304, after the solution on the right side in the flow pipeline 306 is completely pushed out, the baffle 305 on the left side enables the left side in the flow pipeline 306 to be communicated, the solution in the liquid storage tank 307 on the left side flows into the heat nozzle 6 through the flow pipeline 306, replacement of different color solutions in the same heat nozzle 6 is achieved, then, a user releases the pull rod 401, the spring 404 can rebound, the friction plate 403 can move rightwards, the friction plate 403 is attached to the worm 302 again, the worm 302 is prevented from rotating, the position at the moment is locked, and the device is used until injection molding is completed.

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

1. The utility model provides a novel polychrome hot runner structure of moulding plastics, includes casing (1), its characterized in that: an injection molding device (3) is arranged in the middle of the interior of the machine shell (1);

the injection molding device (3) comprises a handle (301), a worm (302), a worm wheel (303), a connecting rod (304), a baffle plate (305), a circulating pipeline (306) and a liquid storage tank (307);

handle (301) are rotated through pivot and casing (1) and are connected, the one end rigid coupling of handle (301) has worm (302), the outer wall and worm wheel (303) meshing of worm (302) are connected, the one end rigid coupling of worm wheel (303) has connecting rod (304), the outer wall of connecting rod (304) is rotated through pivot and casing (1) and is connected, spout and baffle (305) sliding connection are passed through to the both ends of connecting rod (304), two the outer wall of baffle (305) passes through spout and circulation pipeline (306) sliding connection, the top and two liquid storage tank (307) of circulation pipeline (306) are linked together.

2. The novel multicolor injection molding hot runner structure according to claim 1, wherein: two injection molding openings (5) are formed in the top of the machine shell (1), and the bottoms of the injection molding openings (5) are communicated with a liquid storage tank (307).

3. The novel multicolor injection molding hot runner structure according to claim 1, wherein: a plurality of electric heating rods (2) are arranged on the inner wall of the machine shell (1).

4. The novel multicolor injection molding hot runner structure according to claim 1, wherein: the bottom of the flow pipeline (306) is provided with a hot nozzle (6).

5. The novel multicolor injection molding hot runner structure according to claim 1, wherein: an auxiliary device (4) is arranged above the inner part of the machine shell (1);

the auxiliary device (4) comprises a pull rod (401), a sliding rod (402), a friction plate (403), a spring (404) and a vertical plate (405);

the outer wall of pull rod (401) passes through spout and casing (1) sliding connection, the bottom rigid coupling of pull rod (401) has slide bar (402), the outer wall left side of slide bar (402) is through spout and riser (405) sliding connection, the top and casing (1) looks rigid coupling of riser (405), the one end rigid coupling of slide bar (402) has friction disc (403), the one end and the worm (302) of friction disc (403) closely laminate, spring (404) have been cup jointed on the outer wall right side of slide bar (402), the both ends of spring (404) respectively with friction disc (403) and riser (405) looks rigid coupling.