CN217346549U

CN217346549U - Dedicated screw rod feed cylinder structure of bakelite machine moulds plastics

Info

Publication number: CN217346549U
Application number: CN202220755395.6U
Authority: CN
Inventors: 王奇杰; 王丰杰
Original assignee: Maidao Equipment Group Co ltd
Current assignee: Maidao Equipment Group Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-09-02
Anticipated expiration: 2032-04-02

Abstract

The utility model relates to a bakelite machine field of moulding plastics, a dedicated screw rod feed cylinder structure of bakelite machine of moulding plastics is disclosed, its technical scheme main points are including screw rod and feed cylinder, the feed cylinder includes linkage segment and heating section, the linkage segment stretches into in the heating section, through carrying hot oil toward the oil feed hole, can realize through the delivery pump, hot oil flows in the heating intracavity, it heats to be located heating chamber position department to the linkage segment, thereby heat the plastic granules in the pay-off intracavity, and the position of control feeding, reduce the pay-off distance of screw rod, thereby it is long when reducing the heating, prevent that plastic granules from excessively heating and decomposing, the mode of two-in two-out carries out the fuel feeding, increase the mobility of hot oil in the heating chamber, and one of them inlet hole is located the middle part position of heating section, increase the mobility of heating chamber middle part position department hot oil, make can the even heating.

Description

Dedicated screw rod feed cylinder structure of bakelite machine moulds plastics

Technical Field

The utility model relates to a bakelite machine field of moulding plastics, more specifically the utility model relates to a dedicated screw rod feed cylinder structure of bakelite machine of moulding plastics that says so.

Background

The injection molding bakelite machine comprises a screw rod material barrel structure, wherein plastic particles are conveyed by a screw rod and are heated in a hot oil flowing mode to form molten states, and then the molten states are sent out for further processing;

generally, the screw is arranged in the charging barrel, plastic particles are directly conveyed from one end of the charging barrel to the other end of the charging barrel through the screw, and the plastic particles are heated in the moving process, so that the heating process easily results in overlong heating time, and the plastic particles are excessively heated and decomposed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a dedicated screw rod feed cylinder structure of bakelite machine moulds plastics for control plastic granules's heat time.

In order to achieve the above purpose, the utility model provides a following technical scheme: a screw charging barrel structure special for an injection molding bakelite machine comprises a screw and a charging barrel, wherein the charging barrel comprises a connecting section and a heating section, the connecting section extends into the heating section, a feeding cavity penetrating through two ends of the connecting section is arranged in the connecting section, the screw rod extends into the feeding cavity, and is rotatably connected with the connecting section, a heating cavity is formed between the heating section and the connecting section, an oil inlet and an oil outlet are arranged on the heating section, the oil inlet and the oil outlet are both communicated with the heating cavity, a nozzle is arranged at one end of the heating section, which is far away from the connecting section, the nozzle is communicated with the feeding cavity, the heating section is provided with a feed inlet, the feed inlet is communicated with the feeding cavity, a flange is fixedly connected to the feed inlet, and the feed inlet is located between the connecting section and the heating cavity.

As a further improvement of the utility model, the flange is detachably connected with a feed hopper.

As a further improvement of the utility model, the linkage segment deviates from the annular has been seted up to the one end of heating section, be provided with the screw thread in the annular.

As a further improvement of the present invention, the length of the heating cavity is greater than one-half of the length of the heating section.

As a further improvement, the oil outlet hole is provided with two oil inlet holes and is arranged at a distance from one another.

As a further improvement, the oil inlet hole is positioned close to one side of the flange.

As a further improvement of the present invention, the screw comprises a spiral blade section, and the length of the spiral blade section is greater than the length of the heating section.

The utility model has the advantages that: the utility model discloses in through carrying hot oil toward the oil feed hole in, can realize through the delivery pump, hot oil flows in the heating chamber, it heats to be located heating chamber position department to the linkage segment, thereby heat the plastic granules in the pay-off intracavity, and the position of control feeding, reduce the pay-off distance of screw rod, thereby it is long when reducing the heating, prevent that plastic granules overheating from decomposing, the fuel feeding is carried out to two modes of advancing two, increase the mobility of hot oil in the heating chamber, and one of them inlet port is located the middle part position of heating section, increase the mobility of heating chamber middle part position department hot oil, make can the even heating.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a cross-sectional view of the present invention.

Reference numerals: 1. a screw; 2. a charging barrel; 21. a connecting section; 211. a ring groove; 22. a heating section; 221. an oil inlet hole; 222. an oil outlet; 23. a feeding cavity; 24. a heating cavity; 3. a feed inlet; 4. and (4) a flange.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1 and 2, a screw barrel structure dedicated for an injection molding machine according to the present embodiment includes a screw 1 and a barrel 2, one end of the screw 1 is connected to a motor, the screw 1 is driven by the motor to rotate to transport plastic particles, so that the heating section 22 can heat the plastic particles to melt the plastic particles to form a molten state, the barrel 2 includes a connecting section 21 and a heating section 22, the connecting section 21 extends into the heating section 22, the connecting section 21 and the heating section 22 are integrally formed, a feeding cavity 23 penetrating through two ends of the connecting section 21 is formed in the connecting section 21, the screw 1 extends into the feeding cavity 23 and is rotatably connected to the connecting section 21, a heating cavity 24 is formed between the heating section 22 and the connecting section 21, an oil inlet 221 and an oil outlet 222 are formed in the heating section 22, the oil inlet 221 and the oil outlet 222 are both communicated with the heating cavity 24, and hot oil is transported into the oil inlet 221, this can be achieved by a transfer pump, hot oil flowing in the heating chamber 24, heating the connecting section 21 at the location of the heating chamber 24, thereby heating the plastic particles in the feeding cavity 23, arranging a nozzle at one end of the heating section 22 departing from the connecting section 21, communicating the nozzle with the feeding cavity 23, sending out the plastic particles in a molten state through the nozzle, arranging a feeding hole 3 on the heating section 22, communicating the feeding hole 3 with the feeding cavity 23, fixedly connecting a flange 4 at the feeding hole 3, horizontally arranging the flange 4, arranging two first fixing holes which are oppositely arranged on the flange 4, arranging connecting holes which are in one-to-one correspondence with the first fixing holes on the heating section 22, fix through first fixed orifices and connecting hole, feed inlet 3 is located between linkage segment 21 and heating chamber 24, and the position of control feeding reduces screw 1's pay-off distance to it is long when reducing the heating, prevents that the plastic granules from excessively heating and decomposing.

Referring to fig. 1, can dismantle on the flange 4 and be connected with the feeder hopper (not shown in the figure), the second fixed orifices has all been seted up to four corners of flange 4, is connected with the feeder hopper through this second fixed orifices, and the hopper is the horn mouth form, is convenient for carry plastic granules into feeding chamber 23 in, prevents that plastic granules from jumping out toppling over the in-process.

Referring to fig. 1, a ring groove 211 is formed in one end, away from the heating section 22, of the connecting section 21, threads are arranged in the ring groove 211, the connecting section 21 is fixed through the threads, the connecting section is convenient to fix, and the ring groove 211 is arranged, so that the threaded connection is limited, the length of the threaded connection is limited, and a positioning effect is achieved.

Referring to fig. 1, the length of the heating cavity 24 is greater than half of the length of the heating segment 22, and the length of the heating cavity 24 is controlled, so that if the heating cavity 24 is too long, the heating time is too long, and if the heating cavity 24 is too short, the heating cavity 24 is blocked or the nozzle discharges slowly.

Referring to fig. 1 and 2, the oil outlet holes 222 and the oil inlet holes 221 are arranged in two and are arranged at intervals in a straight line, and oil is supplied in a two-in and two-out manner, so that the mobility of hot oil in the heating cavity 24 is increased, and one of the oil inlet holes 221 is located at the middle position of the heating section 22, so that the mobility of hot oil at the middle position of the heating cavity 24 is increased, and uniform heating is realized.

One of the oil inlet holes 221 is located at a side close to the flange 4 to facilitate the flow of hot oil in the heating cavity 24, and the oil outlet hole 222 is located at least at the middle portion of the heating section 22 to ensure the flow of hot oil so that it can completely heat the heating cavity 24.

The screw comprises a helical blade section, and the length of the helical blade section is greater than that of the heating section.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a dedicated screw rod feed cylinder structure of bakelite machine moulds plastics, includes screw rod (1) and feed cylinder (2), its characterized in that: feed cylinder (2) include linkage segment (21) and heating section (22), linkage segment (21) stretch into in heating section (22), set up in linkage segment (21) and run through feeding chamber (23) at linkage segment (21) both ends, screw rod (1) stretch into in feeding chamber (23), and with linkage segment (21) rotate to be connected, heating section (22) with be formed with heating chamber (24) between linkage segment (21), heating section (22) is last to have seted up inlet port (221) and oil outlet (222), inlet port (221) with oil outlet (222) all with heating chamber (24) intercommunication, heating section (22) deviate from the one end of linkage segment (21) is provided with the nozzle, the nozzle with feeding chamber (23) intercommunication, heating section (22) are last to have seted up feed inlet (3), feed inlet (3) with feeding chamber (23) intercommunication, feed inlet (3) department fixedly connected with flange (4), feed inlet (3) are located linkage segment (21) with between heating chamber (24).

2. The screw barrel structure special for the injection molding bakelite machine according to claim 1, characterized in that: the flange (4) is detachably connected with a feed hopper.

3. The screw barrel structure special for the injection molding bakelite machine according to claim 2, characterized in that: annular groove (211) have been seted up to one end that linkage segment (21) deviate from heating section (22), be provided with the screw thread in annular groove (211).

4. The screw barrel structure special for the injection molding bakelite machine according to the claim 1, characterized in that: the heating cavity (24) has a length greater than one-half of the length of the heating segment (22).

5. The screw barrel structure special for the injection molding bakelite machine according to claim 4, wherein: the oil outlet hole (222) and the oil inlet hole (221) are respectively provided with two oil outlet holes and are arranged at intervals in a straight line.

6. The screw barrel structure special for the injection molding bakelite machine according to claim 5, wherein: one of the oil inlet holes (221) is located on a side close to the flange (4).

7. The screw barrel structure special for the injection molding bakelite machine according to claim 4, wherein: the screw (1) comprises a helical blade section, and the length of the helical blade section is greater than that of the heating section (22).