CN211993899U

CN211993899U - Mixed double-color hot runner device

Info

Publication number: CN211993899U
Application number: CN202020473303.6U
Authority: CN
Inventors: 吴春明
Original assignee: Shaoxing Sdl Hot Runner Co ltd
Current assignee: Shaoxing Sdl Hot Runner Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-11-24
Anticipated expiration: 2030-04-02

Abstract

The application discloses mix double-colored hot runner device, including feed structure, sleeve and ejection of compact mouth, the last first feedstock channel and the second feedstock channel of being provided with of feed structure, telescopic both ends are in the same place with ejection of compact mouth and feed structure fixed fit respectively, formed the mixing chamber between sleeve and the ejection of compact mouth, first feedstock channel and second feedstock channel independently respectively through set up on the sleeve pore with mixing chamber UNICOM, be provided with the discharge opening on the ejection of compact mouth. The utility model discloses following beneficial effect has: two kinds of plastics after the melting circulate through first feedstock channel and second feedstock channel respectively, then pass through totally isolated pore entering mixing chamber on the sleeve again, join then reach same product die joint in the mixing chamber, guaranteed that the product colour after moulding plastics obtains even mixed colour, and the product can not receive the temperature influence to deteriorate because of mixing early and discolour.

Description

Mixed double-color hot runner device

Technical Field

The utility model relates to an apparatus field of moulding plastics especially relates to a mix double-colored hot runner device.

Background

The plastic product is required to be subjected to double-color injection molding in an injection molding mode, at present, materials with two different colors can be added through a storage bin of an injection molding machine during double-color injection molding, and then the materials are melted through the injection molding machine and then injected into a hot runner system through an injection molding barrel of the injection molding machine until reaching a mold cavity. But the material is directly melted in the injection molding machine in the material storing process of the injection molding machine, and then the melted material passes through a hot runner and is difficult to actually control the proportion of two colors under the influence of temperature.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a mix double-colored hot runner device.

The utility model adopts the following technical scheme:

the utility model provides a mix double-colored hot runner device, includes feed structure, sleeve and ejection of compact mouth, the last first feedstock channel and the second feedstock channel of being provided with of feed structure, telescopic both ends respectively with ejection of compact mouth and feed structure fixed fit be in the same place, the mixing chamber has been formed between sleeve and the ejection of compact mouth, first feedstock channel and second feedstock channel independently respectively through set up the pore on the sleeve with mixing chamber UNICOM, be provided with the discharge opening on the ejection of compact mouth.

In this device, the plastics after two kinds of melts circulate through first feedstock channel and second feedstock channel respectively, then pass through completely isolated pore entering mixing chamber on the sleeve again, join then reach same product die joint in the mixing chamber, guaranteed that the product colour after moulding plastics obtains even mixed colour, and the product can not receive the rotten discoloration of temperature influence because of mixing early.

Optionally, the discharge spout is coniform discharge spout, and the discharge opening of locating is seted up in the flat bottom portion of discharge spout, be provided with the spiral slide on the lateral wall of discharge spout, spiral slide UNICOM discharge opening.

The spiral slideway is arranged to ensure that the raw materials can stably flow away from the discharging nozzle.

Optionally, the discharge holes are two, and the two discharge holes are symmetrically distributed on the discharge nozzle.

The discharge holes with two symmetries are arranged to enable the discharge nozzle to keep balanced in stress during discharging, and the discharge nozzle is ensured not to deviate and distort in the using process.

Optionally, the feeding structure includes mounting panel, first feeding mouth and second feeding mouth are all installed on the mounting panel, set up two independent not intercommunicated cavitys on the mounting panel and meet with first feeding mouth and second feeding mouth respectively.

Optionally, the first feeding nozzle is consistent with the second feeding nozzle in structure, the feeding end of the first feeding nozzle is in a concave arc shape, and the discharging end of the first feeding nozzle is in a circular truncated cone hole shape.

Above-mentioned structure can guarantee the plastic materials and guarantee stable velocity of flow when first feeding mouth and the second feeding mouth of flowing through, and can not produce the bubble in plastic materials.

Optionally, the discharging device further comprises a clamping sleeve ring, and the discharging nozzle is detachably fixed on the sleeve through the clamping sleeve ring.

The clamping sleeve ring has the function of facilitating disassembly of the discharge nozzle and maintenance.

Optionally, the sleeve has a plurality ofly, all installs the ejection of compact mouth on every sleeve, and every sleeve all communicates with first feedstock channel and second feedstock channel mutually.

The structure has the advantage of small distance between products during injection molding.

The utility model has the advantages that: two kinds of plastics after the melting circulate through first feedstock channel and second feedstock channel respectively, then pass through totally isolated pore entering mixing chamber on the sleeve again, join then reach same product die joint in the mixing chamber, guaranteed that the product colour after moulding plastics obtains even mixed colour, and the product can not receive the temperature influence to deteriorate because of mixing early and discolour.

Description of the drawings:

FIG. 1 is a schematic diagram of a hybrid two-color hot runner device;

FIG. 2 is a schematic diagram of the construction of a tap;

fig. 3 is a schematic diagram of the mating relationship of the tap and the sleeve.

The figures are numbered: 101. the device comprises a first feeding nozzle, a second feeding nozzle, a sealing plug, a first feeding nozzle, a second.

The specific implementation mode is as follows:

the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, fig. 2 and fig. 3, a mixed dual-color hot runner device includes a feeding structure, a sleeve 4 and a discharge nozzle 5, the feeding structure is provided with a first feeding channel and a second feeding channel, two ends of the sleeve 4 are respectively and fixedly matched with the discharge nozzle 5 and the feeding structure, a material mixing cavity 451 is formed between the sleeve 4 and the discharge nozzle 5, the first feeding channel and the second feeding channel are respectively and independently communicated with the material mixing cavity 451 through a hole channel 401 formed on the sleeve 4, and the discharge nozzle 5 is provided with a discharge hole 501.

Referring to fig. 1 and 3, the sleeve 4 is snap-fitted to the mounting plate 3.

In this device, the plastics after two kinds of melts circulate through first feedstock channel and second feedstock channel respectively, then pass through totally isolated pore 401 entering mixing chamber 451 on sleeve 4 again, converge then reach same product die joint in mixing chamber 451, have guaranteed that the product colour after moulding plastics obtains even mixed colour, and the product can not receive the rotten colour that discolours of temperature influence because of mixing early.

As shown in fig. 1, fig. 2 and fig. 3, the discharging nozzle 5 is a conical discharging nozzle 5, a discharging hole 501 is formed in the flat bottom of the discharging nozzle 5, a spiral chute 502 is arranged on the outer side wall of the discharging nozzle 5, and the spiral chute 502 is communicated with the discharging hole 501.

The spiral chute 502 is provided to allow the raw material to stably flow away from the tap 5.

As shown in fig. 1, fig. 2 and fig. 3, there are two discharge holes 501, and the two discharge holes 501 are symmetrically distributed on the discharge nozzle 5.

Two symmetrical discharging holes 501 are arranged to balance the stress of the discharging nozzle 5 during discharging, so that the discharging nozzle 5 is ensured not to deviate or distort during use.

As shown in fig. 1, fig. 2 and fig. 3, the feeding structure includes a mounting plate 3, a first feeding nozzle 101 and a second feeding nozzle 102, the first feeding nozzle 101 and the second feeding nozzle 102 are both mounted on the mounting plate 3, and two independent and non-communicated cavities are formed in the mounting plate 3 and are respectively connected with the first feeding nozzle 101 and the second feeding nozzle 102.

In order to form independent and communicated channels on the mounting plate 3, the mounting plate 3 is provided with a plurality of holes, and the holes are sealed by using the sealing plugs 2.

As shown in fig. 1, fig. 2 and fig. 3, the first feeding nozzle 101 and the second feeding nozzle 102 have the same structure, the feeding end of the first feeding nozzle 101 is in a concave arc shape, and the discharging end of the first feeding nozzle 101 is in a circular truncated cone hole shape.

The above structure can ensure that the plastic raw material can ensure a stable flow rate when flowing through the first feeding nozzle 101 and the second feeding nozzle 102, and no bubbles are generated in the plastic raw material.

As shown in fig. 1, fig. 2 and fig. 3, the discharging nozzle further comprises a clamping collar 6, and the discharging nozzle 5 is detachably fixed on the sleeve 4 through the clamping collar 6.

The clamping sleeve ring 6 is used for facilitating disassembly of the discharge nozzle 5 and maintenance.

As shown in fig. 1, 2 and 3, the sleeve 4 is provided in plurality, a discharge nozzle 5 is installed on each sleeve 4, and each sleeve 4 is communicated with the first feeding channel and the second feeding channel.

The above only is the preferred embodiment of the present invention, not therefore the limit the patent protection scope of the present invention, all applications the equivalent structure transformation made by the contents of the specification and the drawings of the present invention is directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. The utility model provides a mix double-colored hot runner device, its characterized in that, includes feeding structure, sleeve and ejection of compact mouth, the last first feedstock channel and the second feedstock channel of being provided with of feeding structure, telescopic both ends respectively with ejection of compact mouth and feeding structure fixed fit be in the same place, the mixing chamber has been formed between sleeve and the ejection of compact mouth, first feedstock channel and second feedstock channel independently respectively through set up the pore on the sleeve with mixing chamber UNICOM, be provided with the discharge opening on the ejection of compact mouth.

2. The hybrid bi-color hot runner device of claim 1 wherein the tap is a conical tap having a bottom opening, the outer sidewall of the tap having a spiral channel therein, the spiral channel communicating with the tap opening.

3. A hybrid bi-color hot runner apparatus according to claim 1 or 2 wherein there are two discharge openings and the two discharge openings are symmetrically located on the discharge spout.

4. The hybrid bi-color hot runner apparatus of claim 1 wherein the feed structure comprises a mounting plate, a first feed nozzle and a second feed nozzle, the first feed nozzle and the second feed nozzle are mounted on the mounting plate, and the mounting plate defines two separate non-communicating channels that are connected to the first feed nozzle and the second feed nozzle, respectively.

5. The hybrid bi-color hot runner device of claim 4, wherein the first feed nozzle and the second feed nozzle are identical in structure, the feed end of the first feed nozzle is in the shape of a concave arc, and the discharge end of the first feed nozzle is in the shape of a circular truncated cone hole.

6. The hybrid bi-color hot runner apparatus of claim 1 further comprising a clamping collar, wherein the tap is removably secured to the sleeve by the clamping collar.

7. The hybrid bi-color hot runner device of claim 1 wherein the plurality of sleeves are each fitted with a tap and each sleeve is in communication with the first inlet channel and the second inlet channel.