CN215320188U

CN215320188U - Double-material-channel type injection mechanism

Info

Publication number: CN215320188U
Application number: CN202121290643.6U
Authority: CN
Inventors: 王浩泽; 励小平; 于春雷; 姚钱
Original assignee: Ningbo Shuangsheng Plastic Machinery Co ltd
Current assignee: Ningbo Shuangsheng Plastic Machinery Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2021-12-28
Anticipated expiration: 2031-06-09

Abstract

The utility model provides a double-material-channel type injection mechanism, and belongs to the technical field of injection molding machine equipment. It has solved the problem that current colouring material injection mechanism can't improve plastics flower simulation degree. The utility model relates to a double-material-channel injection mechanism which comprises an injection plate, an injection block, an outer spray head, an inner spray head and a one-way assembly. In the process of switching the pigments, the pigments remained in the second jet orifice are mixed with other pigments and are jetted to the plastic flower through the jet orifice, so that different colors on the plastic flower have better gradual change areas, and the simulation degree of the plastic flower is enhanced.

Description

Double-material-channel type injection mechanism

Technical Field

The utility model belongs to the technical field of injection molding machine equipment, and relates to a double-material-channel type injection mechanism.

Background

The injection molding machine is used for producing plastic products, most of injection molding machines on the market can only produce single-color plastic products when producing the plastic products, and when the plastic products with more than two colors need to be produced, the injection molding machine with two material channels is needed.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a double-material-channel type injection mechanism for improving the simulation degree of plastic flowers.

The purpose of the utility model can be realized by the following technical scheme: a dual channel injection mechanism comprising:

an injection plate;

an injection block detachably connected to the injection plate;

one end of the outer spray head is clamped in the injection block, an inner spray head communicated with the injection block is inserted in the outer spray head, and a gap is formed between the outer surface of the inner spray head and the outer spray head;

the one-way component is clamped between the injection plate and the injection block.

In the above-mentioned double-material-channel injection mechanism, a first color tube is arranged in the injection plate, a second color tube communicated with the first color tube is arranged in the injection block, a third color tube communicated with the second color tube is arranged in the inner spray head, and the first material channel is formed by the first color tube, the second color tube and the third color tube.

In the above dual-material-channel injection mechanism, a fourth color tube is arranged in the injection plate, a fifth color tube communicated with the fourth color tube is arranged in the injection block, and the gap is communicated with the fifth color tube.

In the above dual material channel type injection mechanism, the outer nozzle is provided with a jet orifice communicated with the gap, the jet orifice and the third color tube are positioned on the same straight line, the jet orifice is communicated with the third color tube, and the fourth color tube, the fifth color tube and the gap form a second material channel.

In the above dual-channel injection mechanism, the one-way component controls the pigment in the first channel to move in one direction or closes the first channel.

In foretell two material way formula injection mechanism, the side of outer shower nozzle is equipped with the snap ring, is equipped with the bulge loop that is used for the card to establish the snap ring in the injection piece, outer shower nozzle inserts and is equipped with the material passing ring between the one end of injection piece and the injection piece, be equipped with a plurality of material passing holes that are used for communicateing fifth colour tube and clearance in the material passing ring.

In the above-mentioned double-material-channel injection mechanism, a material passing channel for communicating the fifth color tube with the material passing hole is formed in the injection block.

In foretell two material way formula injection mechanism, one-way subassembly includes one-way piece, spheroid and the ball seat with second colour tube UNICOM, one-way piece card is established between injection piece and injection board, the spheroid card is established between one-way piece and injection piece, set up the passageway that both ends diameter is greater than the middle part diameter in one-way piece, the one end and the first colour tube UNICOM of this passageway, spheroid activity card is established between one-way piece and ball seat.

In the above-mentioned double-material-channel injection mechanism, the diameters of the two ends of the channel are larger than the diameter of the ball body, the diameter of the ball body is larger than the diameter of the middle part of the channel, the ball seat is provided with a plurality of leak holes, and the leak holes are communicated with each other.

Compared with the prior art, the utility model has the following beneficial effects:

1. be equipped with first material way and second material way in this injection mechanism, when first material way spouts the material, the second material is said and is stopped spouting the material, when the second material is said and is spouted the material, and first material is said and is stopped spouting the material, so, alright realize that the injection molding machine can spout the colouring material of two kinds of differences.

2. In the process of switching the pigments, the pigments remained in the second jet orifice are mixed with other pigments and are jetted to the plastic flower through the jet orifice, so that different colors on the plastic flower have better gradual change areas, and the simulation degree of the plastic flower is enhanced.

3. When the first pigment stops injecting and the second pigment is injected into the second channel, the second pigment fills the second nozzle, so that the pressure at the second nozzle is increased, the first nozzle is communicated with the second nozzle, the pressure of the first nozzle is increased, the first pigment in the first channel retracts until the first channel is blocked, and therefore the second pigment is prevented from being mixed with the first pigment in the injecting process.

Drawings

FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention.

Fig. 2 is a cross-sectional view at a-a in fig. 1.

Fig. 3 is an enlarged schematic view of B in fig. 2.

Fig. 4 is an enlarged schematic view of the structure at D in fig. 2.

Fig. 5 is a schematic view of a tee construction.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 5, a dual channel injection mechanism of the present invention includes an injection plate 300, an injection block 400, an outer nozzle 500, an inner nozzle 600, and a check assembly 700.

In the present invention, the coloring material in the first duct 100 is defined as a first coloring material, and the coloring material in the second duct 200 is defined as a second coloring material.

The injection block 400 is detachably connected to the injection plate 300, one end of the outer nozzle 500 is clamped in the injection block 400, the outer nozzle 500 is inserted with an inner nozzle 600 communicated with the injection block 400, the one-way assembly 700 is clamped between the injection plate 300 and the injection block 400, specifically, the injection plate 300 is internally provided with a first color tube 110, the injection block 400 is internally provided with a second color tube 120 communicated with the first color tube 110, the inner nozzle 600 is internally provided with a third color tube 130 communicated with the second color tube 120, the first color tube 110, the second color tube 120 and the third color tube 130 form a first material channel 100, the injection plate 300 is internally provided with a fourth color tube 210, the injection block 400 is internally provided with a fifth color tube 220 communicated with the fourth color tube 210, a gap 230 is arranged between the outer surface of the inner nozzle 600 and the outer nozzle 500, the gap 230 is communicated with the fifth color tube 220, and the outer nozzle 500 is provided with an injection port 510 communicated with the gap 230, the injection port 510 and the third color tube 130 are located on the same straight line, the injection port 510 is communicated with the third color tube 130, the fourth color tube 210, the fifth color tube 220 and the gap 230 form a second material path 200, the one-way assembly 700 controls the color material in the first material path 100 to move in one direction or close the first material path 100, wherein the first material path 100 has a first nozzle 140, the second material path 200 has a second nozzle 240, the first nozzle 140 is located at one end of the third color tube 130 and is communicated with the gap 230 through the first nozzle 140, the second nozzle 240 is located at one end of the gap 230 close to the injection port 510, the second nozzle 240 is communicated with the first nozzle 140, after the first color material is injected into the first color tube 110 of the injection plate 300, the first color material will move along the second color tube 120 and the third color tube 130 in sequence, and the first nozzle 140 ejects the first color material into the second nozzle 240, at this time, the second nozzle 240 is filled with the first color material, the pressure rises, and the second color material in the gap 230 retracts, so as to avoid the situation that the second color material is mixed with the first color material, when the first color material in the second nozzle 240 is accumulated and the pressure in the second nozzle 240 reaches a certain value, the first color material is sprayed to the outside through the spray opening 510 due to the communication between the spray opening 510 and the second nozzle 240, and in the process, the first color material is continuously supplemented to the second nozzle 240, so that the first color material source can be continuously sprayed from the spray opening 510, so that the color material on the plastic flower can be continuously sprayed; similarly, after the second colorant is injected into the fourth color tube 210 of the injection plate 300, the second colorant will move along the fifth color tube 220, the gap 230 and the second nozzle 240 in sequence, when the second nozzle 240 is filled with the second colorant, the pressure in the second nozzle 240 rises, the first colorant in the third color tube 130 retracts, at this time, the one-way component 700 closes the first channel 100, so that the first colorant will not be injected into the second nozzle 240, thereby avoiding the situation that the second colorant is mixed with the first colorant, when the second colorant in the second nozzle 240 is accumulated and the pressure in the second nozzle 240 reaches a certain value, the second colorant will be injected to the outside through the injection port 510 due to the communication between the injection port 510 and the second nozzle 240, and during this process, the second colorant is continuously supplemented to the second nozzle 240, thus realizing the injection port 510 of the second colorant source, the color materials on the plastic flowers can be continuously spread, and different color materials can be sprayed on the clinker flowers through the operation, so that the color materials are not infected; secondly, in the process of switching the colors, the colors remained in the second nozzle 240 are mixed with other colors and are sprayed onto the plastic flower through the spray opening 510, so that the plastic flower has better gradual change regions among different colors, thereby enhancing the simulation degree of the plastic flower.

A clamping ring 520 is arranged on the side surface of the outer spray head 500, a convex ring 410 for clamping the clamping ring 520 is arranged in the injection block 400, a material passing ring 420 is clamped between one end of the outer spray head 500 inserted into the injection block 400 and the injection block 400, a plurality of material passing holes 421 for communicating the fifth color tube 220 with the gap 230 are arranged in the material passing ring 420, a material passing groove 430 for communicating the fifth color tube 220 with the material passing holes 421 is arranged in the injection block 400, when in installation, one needs to put the material passing ring 420 into the injection block 400, then one end of the inner spray head 600 is inserted into the injection block 400, and the inner spray head 600 passes through the material passing ring 420 and the outer side of the inner spray head 600 is tightly attached to the material passing ring 420, then one end of the outer spray head 500 with the clamping ring 520 is inserted into the injection block 400, and the convex ring 410 clamps the clamping ring 520, one end of the outer spray head 500 inserted into the injection block 400 is tightly attached to the material passing ring 420, thereby ensuring that the gap 230 can be formed between the inner spray head 600 and the outer spray head 500, and make the logical material hole 421 in the logical material ring 420 can lead to silo 430 and clearance 230 UNICOM to make the second pigment in the fifth colour tube 220 can pass through logical silo 430 and logical material hole 421 smoothly, and enter into in the clearance 230, secondly, also guaranteed that interior shower nozzle 600 and outer shower nozzle 500 can stably be installed on injection piece 400.

The one-way assembly 700 comprises a one-way block 710, a ball 720 and a ball seat 730 communicated with the second color tube 120, wherein the one-way block 710 is clamped between the injection block 400 and the injection plate 300, the ball 720 is clamped between the one-way block 710 and the injection block 400, a channel 711 with two ends having a diameter larger than the middle diameter is arranged in the one-way block 710, one end of the channel 711 is communicated with the first color tube 110, the ball 720 is movably clamped between the one-way block 710 and the ball seat 730, the diameters of the two ends of the channel 711 are larger than that of the ball 720, the diameter of the ball 720 is larger than that of the middle part of the channel 711, a plurality of leakage holes 731 are arranged on the ball seat 730, each leakage hole 731 is communicated, when the first color material in the first color tube 110 flows into the second color tube 120, the first color material firstly enters the channel 711, and pushes the ball 720 against the ball seat 730 until the ball seat 731 is between the plurality of leakage holes 731, and the first colouring material at this moment will enter into spheroid 720 through leak 731, because of spheroid 720 and second colour tube 120 UNICOM, thereby make first colouring material enter into second colour tube 120 smoothly, thereby accomplish the transport of first colouring material, when first colouring material retracts, first colouring material in the second colour tube 120 just can promote spheroid 720 to one-way piece 710 direction removal, until spheroid 720 card advances in the passageway 711, thereby block first material way 100, and then avoid the second colouring material in the jet process, have first colouring material to mix.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

Moreover, descriptions of the present invention as relating to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Claims

1. A dual channel injection mechanism comprising:

an injection plate;

an injection block detachably connected to the injection plate;

2. The dual channel injection mechanism of claim 1, wherein a first color tube is disposed in the injection plate, a second color tube is disposed in the injection block and is communicated with the first color tube, a third color tube is disposed in the inner nozzle and is communicated with the second color tube, and the first color tube, the second color tube and the third color tube form a first channel.

3. The dual channel injection mechanism of claim 2, wherein the injection plate has a fourth color channel therein, and the injection block has a fifth color channel therein in communication with the fourth color channel, the gap being in communication with the fifth color channel.

4. The dual-channel injection mechanism as claimed in claim 3, wherein the outer nozzle has a jet opening communicating with the gap, the jet opening and the third color tube are located on the same straight line, the jet opening is communicated with the third color tube, and the fourth color tube, the fifth color tube and the gap form the second channel.

5. The dual channel injection mechanism of claim 4, wherein the one-way component controls one-way movement of colorant in the first channel or closes the first channel.

6. The dual-material-channel injection mechanism as claimed in claim 1, wherein a snap ring is disposed on a side surface of the outer nozzle, a protruding ring for the snap ring is disposed in the injection block, a material passing ring is disposed between one end of the outer nozzle inserted into the injection block and the injection block, and a plurality of material passing holes for communicating the fifth color tube and the gap are disposed in the material passing ring.

7. The dual-channel injection mechanism of claim 6, wherein the injection block is provided with a channel for communicating the fifth color tube with the channel hole.

8. The dual-material-channel injection mechanism as claimed in claim 2, wherein the one-way component comprises a one-way block, a ball and a ball seat communicated with the second color tube, the one-way block is clamped between the injection block and the injection plate, the ball is clamped between the one-way block and the injection block, a channel with two ends of diameter larger than the middle diameter is arranged in the one-way block, one end of the channel is communicated with the first color tube, and the ball is movably clamped between the one-way block and the ball seat.

9. The dual-channel injection mechanism of claim 8, wherein the diameter of the two ends of the channel is larger than the diameter of the ball, the diameter of the ball is larger than the diameter of the middle of the channel, the ball seat is provided with a plurality of orifices, and the orifices are communicated with each other.