CN205044052U - Double -colored hot runner system - Google Patents

Abstract

The utility model discloses a two-color hot runner system, which comprises a first color open semi-hot runner system, a second color full hot runner system, a main nozzle of an injection molding machine and a secondary nozzle of an injection molding machine; the main nozzle of the injection molding machine passes through the second color The full hot runner system is connected with the first color open semi-hot runner system, the auxiliary nozzle of the injection molding machine is connected with the second color full hot runner system, the first color open semi-hot runner system includes the first color splitter plate and four semi-hot open Type hot runner nozzle, the second color full hot runner system includes the second color manifold and sixteen full-heated valve needle hot runner nozzles, the upper side of the first color manifold is supported by the upper pad, and the upper pad is supported from the second The color splitter board passes inside and is fixed with the front template. Support blocks are installed on the upper side and the lower side of the second color splitter board respectively. Displacement due to the extrusion force generated. Through the above method, the utility model can independently work on the two sprues to complete the two-color pouring.

Description

Two-color hot runner system

technical field

The utility model relates to the technical field of mechanical processing, in particular to a two-color hot runner system.

Background technique

At present, the appearance requirements of injection molded parts are getting higher and higher, and color superimposition is becoming more and more common. However, the hot runner systems used in the existing injection molding process are mostly single-color hot runner systems, which cannot meet the requirements of two-color injection molding. product.

Utility model content

The technical problem mainly solved by the utility model is to provide a two-color hot runner system, which can independently work on two runners and complete two-color pouring.

In order to solve the above technical problems, a technical solution adopted by the utility model is to provide a two-color hot runner system, which is characterized in that it includes an open semi-hot runner system of the first color, a full hot runner system of the second color, and the main body of the injection molding machine. Nozzle, injection molding machine sub-nozzle and second-color sky-ground side block; the main nozzle of the injection molding machine communicates with the first-color open semi-hot runner system through the second-color full hot runner system, and the injection molding machine sub-nozzle communicates with the second color full hot runner system Two-color full-hot runner system, the first-color open semi-hot-runner system is located below the second-color full-hot-runner system;

The first-color open semi-hot runner system includes a first-color splitter plate and four semi-heated open-type hot-runner nozzles, and the second-color full-hot runner system includes a second-color splitter plate and sixteen full-heat valves Needle-type hot runner nozzle; the lower bottom surface of the first color manifold is supported by the upper center pad fixed on the template and four semi-heated open hot runner nozzles, and the upper side of the first color manifold is supported by the upper pad Support, the upper spacer passes through the inside of the second color manifold, and is fixed with the front template; the interior of the second color manifold is set as 16 products in a balanced distribution, and the second color manifold is positioned by the upper center spacer , the upper side is supported by sixteen cylinder pads, the lower side is supported by the elastic device of the nozzle body on the sixteen full-heat valve needle hot runner nozzles, and the upper side and the lower side of the second color splitter plate are respectively equipped with supporting blocks , the support block is fixed on the inner side of the template to prevent the displacement of the two-color manifold due to the extrusion force generated during the injection of the two-color nozzle of the injection molding machine.

In a preferred embodiment of the present invention, each open hot runner nozzle controls four products, and each open hot runner nozzle is provided with a nozzle body supporting hanger.

In a preferred embodiment of the present utility model, the hot runner system of the first color and the hot runner system of the second color are arranged opposite to each other without interfering with each other, and are at different height positions.

In a preferred embodiment of the utility model, the first color splitter plate is an open semi-hot runner splitter plate.

In a preferred embodiment of the present invention, the second color manifold is a full hot runner manifold.

The beneficial effects of the utility model are: the two-color hot runner system of the utility model has no mutual positioning and supporting relationship with the one-color system. Avoid the problem of unbalanced resin in the manifold of the two-color hot runner system caused by the four open hot runner nozzles of one color passing through the two-color hot runner system; the second is to solve the problem that the product needs to be separated due to the interference between the two-color valve needle cylinder and the one-color manifold. The problem of enlarged layout spacing; the third is that the two hot runner systems are relatively independent, which is convenient for adjustment, repair and maintenance.

Description of drawings

Fig. 1 is a structural schematic diagram of the utility model two-color hot runner system;

Fig. 2 is the sectional view shown in C-C among Fig. 1;

Fig. 3 is the sectional view shown in B-B among Fig. 1;

The markings of the components in the drawings are as follows: 1. The first color manifold; 2. The second color manifold; 3. The semi-heated open hot runner nozzle; 4. The full-heat valve needle hot runner nozzle; 5. The lower center Cushion block; 6. Upper center pad; 7. Upper pad; 8. Cylinder pad; 11. Nozzle body support hanger; 12. Elastic device for nozzle body; 13. Main nozzle of injection molding machine; 14. Auxiliary nozzle of injection molding machine ; 15, support block; 16, the second color hot runner sprue sleeve; 17, the first color hot runner sprue sleeve; 18, the front template; 19, the second template; 20, the first template.

detailed description

The preferred embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings, so that the advantages and characteristics of the utility model can be more easily understood by those skilled in the art, so that the protection scope of the utility model can be defined more clearly .

Please refer to Fig. 1 to Fig. 3, the embodiment of the present invention includes: a two-color hot runner system, including the first color open semi-hot runner system, the second color full hot runner system, the main nozzle 13 of the injection molding machine and the auxiliary injection molding machine Nozzle 14; the main nozzle 13 of the injection molding machine communicates with the open semi-hot runner system of the first color through the second color full hot runner system, the auxiliary nozzle 14 of the injection molding machine communicates with the second color full hot runner system, and the second color full hot runner system One color open half hot runner system is located below the second color full hot runner system;

The first color open semi-hot runner system includes the first color splitter plate 1 and four semi-heated open hot runner nozzles 3, and the second color full hot runner system includes the second color splitter plate 2 and sixteen Full-heat valve needle type hot runner nozzle 4; the lower bottom surface of the first color splitter plate 1 is supported by the lower center pad 5 fixed on the first template 20 and four semi-heated open hot runner nozzles 3, the second The upper side of the one-color splitter plate 1 is supported by the upper pad 7, and the upper pad 7 passes through the inside of the second-color splitter plate 2 and is fixed with the front template 18; One product, the second color splitter plate is positioned by the upper center pad 6, the upper side is supported by sixteen cylinder pads 8, and the lower side is supported by sixteen full-heat valve needle type hot runner nozzles 4 Nozzle body elastic devices 12 For support, support blocks 15 are respectively installed on the upper side and the lower side of the second color splitter plate, and the support blocks 15 are fixed on the inner surface of the second template 19 .

Further, each of the semi-heated open hot runner nozzles 3 controls four products, and each semi-heated open hot runner nozzle is provided with a nozzle body supporting hanging platform 11; the first color hot runner system and the second color heat flow The channel systems are arranged opposite to each other without interfering with each other, and are at different heights; the first color manifold 1 is an open semi-hot runner manifold; the second color manifold 2 is a full hot runner manifold.

The working principle of the dual-color hot runner system of the utility model is that there are two sets of relatively independent hot runner systems in the mold of a hot runner system, which can independently carry out injection molding of two different resin materials, and the sequence of injection molding can be controlled by the control system of the injection molding machine. Control, the resin is injected through the main nozzle 13 of the injection molding machine and the first color hot runner gate bushing 17, and the injection is evenly distributed to four four semi-heated open hot runner nozzles 3, each of which is four semi-heated open Type hot runner nozzle 3 controls four products, that is, the installation positioning and thermal expansion force of the first color hot runner system are only related to the first template 20 and the front template 18, independent of the second color full hot runner system; the second color full hot runner system The hot needle valve hot runner system is located above the open semi-hot runner system of the first color, and its resin is injected through the sub-nozzle 14 of the injection molding machine and the sprue sleeve 16 of the second color hot runner, and the resin is injected in the second color manifold is set to be evenly distributed among sixteen products.

The utility model is different from the prior art: the main feature of the two-color injection mold hot runner system is that there are two sets of relatively independent hot runner systems in one mold, which can independently perform injection molding of two different resin materials, and the injection molding sequence can be controlled by injection molding machine control system.

The above is only an embodiment of the utility model, and does not limit the patent scope of the utility model. Any equivalent structure or equivalent process conversion made by using the utility model specification and accompanying drawings, or directly or indirectly used in other Related technical fields are all included in the patent protection scope of the present utility model in the same way.

Claims (5)

1. a dual-color heat flow passage system, is characterized in that: comprise the first look open semi_thermal runner system, the second look full TOP-TIP, injection machine main burner and injection machine auxiliary jet; Described injection machine main burner is through the second look full TOP-TIP and the first look open semi_thermal runner system connectivity, described injection machine auxiliary jet is communicated with the second look full TOP-TIP, and described first look open semi_thermal runner system is positioned at below the second look full TOP-TIP;

Described first look open semi_thermal runner system comprises the first look flow distribution plate and four and half hot open hot-runner nozzles, and described second look full TOP-TIP comprises the second look flow distribution plate and 16 full thermal valve pin type hot-runner nozzles; The bottom surface, downside of described first look flow distribution plate is by being fixed on template Shang Shang center cushion block and four and half hot open hot-runner nozzles supports, and supported by upper cushion block on the upside of the first look flow distribution plate, upper cushion block passes from the second look flow distribution plate inside, fixes with front template; Described second look flow distribution plate inside is set to 16 products of balanced distribution, second look flow distribution plate is located by lower center cushion block, upside is supported by 16 cylinder cushion blocks, downside is supported by the nozzle body elastic device on 16 full thermal valve pin type hot-runner nozzles, upside and the downside of the second look flow distribution plate install back-up block additional respectively, back-up block is fixed on template medial surface, produces displacement for preventing two look flow distribution plates because of the extruding force produced during injection machine two chromatic nozzle injection moulding.

2. dual-color heat flow passage system according to claim 1, is characterized in that: each open hot-runner nozzle controls four products, each open hot-runner nozzle is provided with a nozzle body and supports hanging platform.

3. dual-color heat flow passage system according to claim 1, is characterized in that: described first adiabatic flow road system and the second adiabatic flow road system non-interference back to arranging, and be in different height and positions.

4. dual-color heat flow passage system according to claim 1, is characterized in that: described first look flow distribution plate is open semi_thermal runner flow distribution plate.

5. dual-color heat flow passage system according to claim 1, is characterized in that: described second look flow distribution plate is full hot runner flow distribution plate.