CN217968255U

CN217968255U - Injection mold based on hot runner mold molding

Info

Publication number: CN217968255U
Application number: CN202220794833.XU
Authority: CN
Inventors: 李建光
Original assignee: Wuxi Menglite Technology Co ltd
Current assignee: Wuxi Menglite Technology Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-12-06
Anticipated expiration: 2032-04-07

Abstract

The utility model relates to a mould technical field's an injection mold based on hot runner mold shaping, including movable mould and cover half, be equipped with the terrace die on the movable mould, be equipped with the die cavity that uses with the terrace die cooperation on the cover half, be equipped with the fluid passage of cavity form in the cover half, be equipped with the pipe connector mouth with fluid passage both ends intercommunication on the relative both sides outer wall of cover half, follow its length direction in the fluid passage and crisscross a plurality of baffles that are equipped with, a plurality of baffles separate into a snakelike fluid cavity with fluid passage is inside. Through setting up a plurality of baffles in fluid passage to make fluid passage inside can form a snakelike fluid chamber, make the retention time of high temperature fluid in the fluid intracavity increase as far as possible like this, in order to ensure the high temperature melting effect to the raw materials of moulding plastics, through setting up the floating plate and move up, make the negative pressure adsorption state of having between the surface of floating plate and injected molding, and then can when the drawing of patterns, take away from the injection molding in the die cavity, make things convenient for the workman to unload.

Description

Injection mold based on hot runner mold molding

Technical Field

The utility model relates to the technical field of mold, specifically be an injection mold based on hot runner mold shaping.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the method comprises the steps of injecting molten plastic into a mold cavity from an injection molding machine at high pressure, and cooling and solidifying to obtain a formed product.

When the injection mold is used for injection molding, a fluid channel is generally arranged in a fixed mold or a movable mold, high-temperature fluid in the fluid channel can be used for carrying out high-temperature melting on injection molding raw materials in a mold cavity, the molding efficiency of an injection molding part is improved, but the current fluid channel is mainly in a cavity form, so that the high-temperature fluid flows faster in the fluid channel, the time for the high-temperature fluid to be reserved in the fluid channel is shorter, and the heating efficiency of the high-temperature fluid in the fluid channel is reduced.

Based on this, the utility model designs a based on fashioned injection mold of hot runner mould to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold based on hot runner mold is fashioned to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an injection mold based on hot runner mold shaping, includes movable mould and cover half, be equipped with the terrace die on the movable mould, be equipped with the die cavity that uses with the terrace die cooperation on the cover half, be equipped with the fluid passage of cavity form in the cover half, be equipped with the pipe connector mouth with fluid passage both ends intercommunication on the relative both sides outer wall of cover half, crisscross a plurality of baffles that are equipped with, a plurality of along its length direction in the fluid passage the baffle separates into a snakelike fluid chamber with fluid passage inside.

In the injection mold based on hot runner mold molding, a sliding cavity in a through hole form is formed in the male mold, a floating plate is clamped in the sliding cavity, a connecting column is fixedly connected to the floating plate vertically, a hydraulic cylinder is installed on the movable mold, and a telescopic rod of the hydraulic cylinder penetrates into the movable mold in a sliding mode and is connected with the connecting column.

In the injection mold based on the hot runner mold, the two opposite sides of the floating plate are respectively provided with the convex block, and the inner wall of the sliding cavity is provided with the limiting groove for clamping the convex block and capable of freely sliding.

In the injection mold based on the hot runner mold molding, the movable mold is embedded with the sliding sleeve, and the sliding sleeve is sleeved on the connecting column in a sliding manner.

In the injection mold based on hot runner mold molding, the two sides of the fixed mold and the movable mold correspond to each other and are fixedly connected with the first lug block and the second lug block, the second lug block is vertically and fixedly connected with the guide post, the guide post slides to penetrate through the first lug block, the guide post is sleeved with a spring, and two ends of the spring in the elastic direction respectively elastically abut against the first lug block and the second lug block.

Compared with the prior art, the beneficial effects of the utility model are that: through setting up a plurality of baffles in fluid passage to make fluid passage inside can form a snakelike fluid chamber, make the retention time of high temperature fluid in the fluid intracavity increase as far as possible like this, in order to ensure the high temperature melting effect to the raw materials of moulding plastics, through setting up the floating plate and move up, make the negative pressure adsorption state of having between the surface of floating plate and injected molding, and then can when the drawing of patterns, take away from the injection molding in the die cavity, make things convenient for the workman to unload.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1;

fig. 3 is an enlarged schematic view of a partial structure at B in fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1-fixed die, 2-partition plate, 3-fluid channel, 4-pipe interface, 5-second lug, 6-spring, 7-first lug, 8-guide column, 9-movable die, 10-hydraulic cylinder, 11-male die, 12-die cavity, 13-sliding sleeve, 14-connecting column, 15-limiting groove, 16-floating plate and 17-lug.

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 skilled in the art without making creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an injection mold based on hot runner mold shaping, including movable mould 9 and cover half 1, be equipped with terrace die 11 on the movable mould 9, be equipped with the die cavity 12 with terrace die 11 cooperation use on the cover half 1, be equipped with the fluid passage 3 of cavity form in the cover half 1, be equipped with the pipe connector 4 with fluid passage 3 both ends intercommunication on the relative both sides outer wall of cover half 1, crisscross a plurality of baffles 2 that are equipped with along its length direction in the fluid passage 3, a snakelike fluid chamber is separated into with fluid passage 3 inside to a plurality of baffles 2, outside high temperature fluid conveying equipment passes through the pipeline with high temperature fluid from a pipe connector to carry in the fluid passage, and the vortex through the baffle, make the residence time of high temperature fluid in the fluid chamber increase, the movable mould is when moving towards the cover half and compound die, outside mouth injects high temperature melting plastics to the die cavity, can heat and keep warm high temperature melting plastics through the high temperature fluid in the fluid passage, make melting plastics shaping efficiency higher like this.

Set up the slip chamber of through-hole form on the terrace die 11 in this embodiment, the block has floating plate 16 in the slip intracavity, it has spliced pole 14 to go up perpendicular rigid coupling on floating plate 16, install pneumatic cylinder 10 on the movable mould 9, the telescopic link of pneumatic cylinder 10 slides and penetrates in the movable mould 9 and be connected with spliced pole 14, the compound die in-process, the bottom surface of floating plate flushes with the bottom surface of terrace die and does not have the gap, do not influence the injection molding surface quality when the compound die like this, the back is accomplished in the compound die, shorten through the telescopic link of pneumatic cylinder, it shifts up to drive the spliced pole, and then make floating plate shift up, make floating plate and injection molding surface produce the negative pressure state, so the movable mould when keeping away from the cover half, can take out the injection molding from the die cavity, and then conveniently unload the injection molding.

In this embodiment, the floating plate 16 is provided with a protrusion 17 on each of opposite sides thereof, and the inner wall of the sliding cavity is provided with a limiting groove 15 in which the protrusion 17 is engaged and which can freely slide, so that the protrusion slides in the limiting groove, thereby limiting the up-and-down movement of the floating plate.

In the embodiment, the movable die 9 is internally embedded with the sliding sleeve 13, and the sliding sleeve 13 is slidably sleeved on the connecting column 14, so that the abrasion to the movable die is reduced.

In this embodiment, the fixed die 1 and the movable die 9 have a first lug 7 and a second lug 5 fixed to both sides thereof, the second lug 5 has a guide post 8 fixed to it vertically, the guide post 8 penetrates the first lug 7 in a sliding manner, the guide post 8 is sleeved with a spring 6, and both ends of the spring 6 in the elastic direction elastically abut against the first lug 7 and the second lug 5 respectively, so that the spring plays a role in buffering the die closing process in the die closing process.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. The preferred embodiments of the present invention disclosed above are intended to aid in the description of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, thereby enabling others skilled in the art to best understand the invention and its practical application. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an injection mold based on hot runner mold shaping, includes movable mould (9) and cover half (1), be equipped with terrace die (11) on movable mould (9), be equipped with die cavity (12) that use with terrace die (11) cooperation on cover half (1), its characterized in that, be equipped with fluid passage (3) of cavity form in cover half (1), be equipped with on the relative both sides outer wall of cover half (1) pipe connector (4) with fluid passage (3) both ends intercommunication, it is equipped with a plurality of baffles (2) along its length direction is crisscross in fluid passage (3), and is a plurality of baffle (2) separate into a snakelike fluid chamber with fluid passage (3) inside.

2. The injection mold based on hot runner mold forming as claimed in claim 1, wherein the male mold (11) is provided with a through hole type sliding cavity, a floating plate (16) is clamped in the sliding cavity, the floating plate (16) is vertically and fixedly connected with a connecting column (14), the movable mold (9) is provided with a hydraulic cylinder (10), and an expansion rod of the hydraulic cylinder (10) penetrates into the movable mold (9) in a sliding manner and is connected with the connecting column (14).

3. The injection mold based on hot runner mold molding according to claim 2, wherein the floating plate (16) is provided with a protrusion (17) on each of opposite sides, and a limiting groove (15) for engaging the protrusion (17) and capable of sliding freely is formed on the inner wall of the sliding cavity.

4. An injection mold based on hot runner mold molding according to claim 2, characterized in that the movable mold (9) is embedded with a sliding sleeve (13), and the sliding sleeve (13) is slidably sleeved on the connecting column (14).

5. The injection mold based on hot runner mold molding according to claim 1, characterized in that the fixed mold (1) and the movable mold (9) have a first ear piece (7) and a second ear piece (5) at two sides corresponding to each other, a guide post (8) is vertically fixedly connected to the second ear piece (5), the guide post (8) slides and penetrates through the first ear piece (7), a spring (6) is sleeved on the guide post (8), and two ends of the spring (6) in the elastic direction elastically abut against the first ear piece (7) and the second ear piece (5) respectively.