CN212331671U

CN212331671U - Injection molding machine capable of controlling injection dosage

Info

Publication number: CN212331671U
Application number: CN202020436953.3U
Authority: CN
Inventors: 尹学凯
Original assignee: ZHEJIANG BORCH MACHINERY CO LTD
Current assignee: ZHEJIANG BORCH MACHINERY CO LTD
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2021-01-12
Anticipated expiration: 2030-03-31

Abstract

The utility model discloses an injection molding machine capable of controlling injection dosage, which comprises an extrusion mechanism, wherein an extrusion component is arranged on one side of the extrusion mechanism; an extrusion channel is arranged in the extrusion assembly; wherein, be provided with the control ring in extruding the passageway, be provided with a plurality of through-holes that are the circumference equipartition on the control ring. Has the advantages that: after the raw material enters the extrusion assembly from the extrusion mechanism, the raw material is blocked by the control ring, and the flow of the extrusion material is controlled by the through hole in the control ring. And the third channel is in a circular truncated cone shape, so that the raw materials entering from the second channel are extruded, the extrusion pressure is increased, the extrusion efficiency is improved, and the horn-shaped fourth channel can further compress the output raw materials, so that the extrusion efficiency is greatly improved.

Description

Injection molding machine capable of controlling injection dosage

Technical Field

The utility model relates to an injection molding machine of steerable injection dosage belongs to the injection molding machine field

Background

An injection molding machine is also known as an injection molding machine or an injection machine. It is a main forming equipment for making various shaped plastic products with thermoplastic plastics or thermosetting plastics by using plastic forming mould. The injection molding machine is mainly divided into a vertical injection molding machine and a horizontal injection molding machine, and the injection molding machine is generally composed of an extrusion system, a mold closing system, a hydraulic transmission system, an electric control system, a lubricating system, a heating and cooling system, a safety monitoring system and the like.

The chinese utility model patent publication No. CN206999496U discloses an "injection head of an injection molding machine" which breaks through the structural form of the conventional injection head, and in an initial state, an elastic holding device holds a material guiding rod having a tendency of moving from a first accommodating hole to a second accommodating hole, so that the second section of material hole is blocked corresponding to the first accommodating hole. When injection molding is needed, the injection gun main body pushes the injection head main body and the locking device forwards to compress the elastic retaining device, so that the guide rod moves backwards relative to the injection head main body and the locking device, the second section of material hole is exposed from the first end of the first containing hole and communicated with the discharge hole of the injection gun main body, and injection molding materials in the injection gun main body can enter from the second section of material hole and directly enter the injection hole of the injection mold through the first section of material hole to be injected.

Although the injection head of the device has strong linearity, small resistance and smooth and efficient injection, the injection quantity cannot be adjusted, so that the device has a single application range and cannot be applied to injection raw materials with different concentrations.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can adjust injection molding machine of injection volume can effectively solve the fixed problem of original injection molding machine injection volume.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme: the extrusion device comprises an extrusion mechanism, wherein an extrusion assembly is arranged on one side of the extrusion mechanism; an extrusion channel is arranged in the extrusion assembly; wherein, be provided with the control ring in extruding the passageway, be provided with a plurality of through-holes that are the circumference equipartition on the control ring.

According to the arrangement, after the raw material enters the extrusion assembly from the extrusion mechanism, the raw material is blocked by the control ring, and the flow of the extruded material is controlled by the through hole in the control ring.

Furthermore, a central channel is arranged in the middle of the control ring, and the central channel is overlapped with the axis of the extrusion channel.

So arranged, the central channel is coincident with the axis of the extrusion channel, and part of the extrusion material can directly pass through the central channel.

Furthermore, the central channel is circular, and the diameter of the circle is larger than that of the through hole.

So set up, increase the size of central channel through the extrusion capacity, help the device to accomplish fast and extrude the operation.

Further, the extrusion assembly comprises a mounting ring and an extrusion head, and the control ring is arranged between the mounting ring and the extrusion head.

So set up, firstly utilize the collar with the setting of extruding the head is convenient for with the card that the control ring is steady between the two.

Furthermore, a sealing ring is arranged on the outer side of the control ring.

So set up, the sealing ring also sets up with extrude between the head the collar to play to extrude the head with the collar also has the sealed effect of control ring.

Furthermore, the extrusion channel is divided into three sections, a first channel is arranged in the mounting ring, and a second channel and a third channel are arranged in the extrusion head.

According to the arrangement, the control ring is arranged between the first channel and the second channel and between the first channel and the third channel, and the first channel is in penetrating connection with the second channel and the third channel through the control ring, so that raw materials can smoothly pass through the control ring.

Furthermore, the diameters of the first channel and the second channel are the same, the third channel is in a circular truncated cone shape, and the diameter of the third channel is gradually reduced from the direction of extrusion material output.

So set up, the diameter of the inner ring of said control ring is the same as the diameter of said first channel, said second channel too; the third channel is in a circular truncated cone shape, so that the raw materials entering from the second channel are extruded, the extrusion pressure is increased, and the extrusion efficiency is improved.

Further, the extrusion assembly further comprises an output ring, and a fourth channel is arranged in the output ring.

So set up, the output ring passes through threaded connection to be fixed extrude the head on, the output ring is in order to help extrude the more smooth output raw and other materials of head.

Furthermore, the fourth channel is internally trumpet-shaped, and an inward arc is arranged on the inner wall in the direction of outputting the extruded materials.

So set up, loudspeaker form the raw and other materials of output that the fourth passageway can be further compress, the efficiency that great improvement was extruded.

Compared with the prior art, the utility model has the advantages that:

after the raw material enters the extrusion assembly from the extrusion mechanism, the raw material is blocked by the control ring, and the flow of the extrusion material is controlled by the through hole in the control ring. And the third channel is in a circular truncated cone shape, so that the raw materials entering from the second channel are extruded, the extrusion pressure is increased, the extrusion efficiency is improved, and the horn-shaped fourth channel can further compress the output raw materials, so that the extrusion efficiency is greatly improved.

Drawings

For ease of illustration, the invention is described in detail by the following detailed description and accompanying drawings.

FIG. 1 is a perspective view of the extrusion assembly of the present invention;

FIG. 2 is a cross-sectional view of the extrusion assembly of the present invention

FIG. 3 is a three-dimensional structure diagram of the extruding mechanism of the present invention;

FIG. 4 is a cross-sectional view of the extrusion mechanism of the present invention;

FIG. 5 is a part view of the control ring of the present invention;

fig. 6 is a part diagram of the output ring of the present invention.

Description of reference numerals:

1. an extrusion mechanism; 2. an extrusion assembly; 3. an extrusion channel; 4. a control loop; 401. a through hole; 402. a central channel; 5. a mounting ring; 6. an extrusion head; 7. a seal ring; 301. a first channel; 302. a second channel; 303. a third channel; 8. an output ring; 801. and a fourth channel.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the 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 "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example one

Referring to fig. 1-6, the embodiment of the injection molding machine for controlling injection dosage according to the present invention is specifically configured as follows: one side of the extruding mechanism 1 is provided with an extruding component 2, an extruding channel 3 is arranged in the extruding component 2, a control ring 4 is arranged in the extruding channel 3, and a plurality of through holes 401 which are uniformly distributed in the circumference are arranged on the control ring 4. The control ring 4 is also provided with a central channel 402 in the middle, and the central channel 402 is coincident with the axis of the extrusion channel 3.

The working process is as follows: after the raw material enters the extrusion assembly 2 from the extrusion mechanism 1, the raw material enters the control ring 4 from the extrusion channel 3, the control ring 4 firstly blocks the raw material and then passes through the through hole 401 of the control ring 4, and the control of the extrusion amount is realized by the size of the through hole 401 in the control ring 4.

The extrusion assembly 2 further comprises an output ring 8, and a fourth channel 801 is provided in the output ring 8. The fourth channel 801 is internally trumpet-shaped, and an inward circular arc is arranged on the inner wall in the direction of outputting the extruded materials. After the raw material is output from the extrusion channel 3, the raw material enters the output ring 8, and the flared fourth channel 801 can further compress the output raw material, so that the extrusion efficiency is greatly improved.

Example 2

Referring to fig. 5, an embodiment of an injection molding machine capable of controlling injection dosage according to the present invention is different from the above embodiments in that the central channel 402 is circular, and the diameter of the circle is larger than the diameter of the through hole 401. Increasing the amount of throughput through the central passage 402 helps the device to quickly complete the extrusion operation.

Example 3

Referring to fig. 1 and fig. 2, the embodiment of the injection molding machine according to the present invention with controllable injection dosage, the difference between the present embodiment and the above embodiment is that the extrusion assembly 2 includes a mounting ring 5 and an extrusion head 6, the control ring 4 is disposed between the mounting ring 5 and the extrusion head 6, and the outer side of the control ring 4 is provided with a sealing ring 7. On the premise of not influencing the normal use of the device, the control ring 4 is conveniently and stably clamped between the mounting ring 5 and the extrusion head 6, and the sealing ring 7 improves the sealing performance of the device.

The extrusion channel 3 is divided into three sections, a first channel 301 is arranged in the mounting ring 5, and a second channel 302 and a third channel 303 are arranged in the extrusion head 6. The control ring 4 is arranged between the first channel 301 and the second channel 302 and between the first channel 301 and the third channel 303, and the first channel 301 is connected with the second channel 302 and the third channel 303 through the control ring 4 in a penetrating way, so that raw materials can smoothly pass through.

After passing through the extrusion channel 3, the raw material first enters the first channel 301 of the mounting ring 5, then enters the second channel 302 through the through hole 401 of the control ring 4, then enters the third channel 303, and finally exits from the extrusion channel 3.

Example 4

Referring to fig. 2, the embodiment of the injection molding machine of the present invention is capable of controlling the injection dosage, and the difference between the present embodiment and the above embodiment is that the first channel 301 and the second channel 302 have the same diameter, the third channel 303 is in the shape of a circular truncated cone, and the diameter of the third channel 303 decreases gradually from the direction of the output of the extrusion material.

The diameter of the inner ring of the control ring 4 is the same as the diameter of the first channel 301 and the diameter of the second channel 302, so that raw materials can smoothly pass through the first channel 301, the second channel 302 and the control ring 4, and when the raw materials pass through the third channel 303, the raw materials are extruded by the inner wall of the third channel 303, the pressure of the raw materials is increased, and the extrusion operation is facilitated.

The above description is only for the specific embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims

1. An injection molding machine capable of controlling injection dosage, which is characterized in that: the device comprises an extruding mechanism (1), wherein an extruding component (2) is arranged on one side of the extruding mechanism (1);

an extrusion channel (3) is arranged in the extrusion assembly (2);

wherein, be provided with control ring (4) in extruding passageway (3), be provided with a plurality of through-holes (401) that are the circumference equipartition on control ring (4).

2. A controllable shot size injection molding machine as claimed in claim 1 wherein: the middle of the control ring (4) is also provided with a central channel (402), and the central channel (402) is overlapped with the axis of the extrusion channel (3).

3. A controllable shot size injection molding machine as claimed in claim 2 wherein: the central channel (402) is circular, and the diameter of the circle is larger than that of the through hole (401).

4. A controllable shot size injection molding machine as claimed in claim 1 wherein: the extrusion assembly (2) comprises a mounting ring (5) and an extrusion head (6), and the control ring (4) is arranged between the mounting ring (5) and the extrusion head (6).

5. A controllable shot dose injection molding machine as claimed in claim 1, 2 or 3, wherein: and a sealing ring (7) is arranged on the outer side of the control ring (4).

6. A controlled injection molding machine as claimed in claim 4, wherein: and a sealing ring (7) is arranged on the outer side of the control ring (4).

7. A controlled injection molding machine as claimed in claim 4, wherein: the extrusion channel (3) is divided into three sections, a first channel (301) is arranged in the mounting ring (5), and a second channel (302) and a third channel (303) are arranged in the extrusion head (6).

8. A controllable shot size injection molding machine as claimed in claim 7 wherein: the diameters of the first channel (301) and the second channel (302) are the same, the third channel (303) is in a circular truncated cone shape, and the diameter of the third channel (303) is gradually reduced from the direction of extrusion material output.

9. A controllable shot dose injection molding machine as claimed in claim 1, 2 or 3, wherein: the extrusion assembly (2) further comprises an output ring (8), and a fourth channel (801) is arranged in the output ring (8).

10. A controllable shot size injection molding machine as claimed in claim 9 wherein: the fourth channel (801) is internally trumpet-shaped, and an inward arc is arranged on the inner wall in the direction of outputting the extruded materials.