CN215945817U - Internal and external constant temperature plasticizing conveying mechanism - Google Patents

Abstract

The utility model belongs to the field of plastic processing equipment, and relates to an internal and external constant-temperature plasticizing conveying mechanism. Including the auger conveyer, auger conveyer upper end be equipped with the discharge gate, the lower extreme is equipped with the feeder hopper, its characterized in that, auger conveyer's auger barrel on be equipped with the external heating cover, the external heating cover in be equipped with annular liquid chamber, the external heating cover both ends be equipped with first joint respectively, auger conveyer's auger axle in be equipped with axial setting and the sealed fluid passage in both ends, the fluid passage both ends be equipped with respectively and cross the liquid subassembly, cross two liquid subassemblies and connect respectively on the feed liquor distributor and the play liquid distributor of thermostatic liquid heater, two cross the liquid subassembly and connect respectively on feed liquor distributor and play liquid distributor. Compared with the prior art, this inside and outside constant temperature plastify conveying mechanism's advantage lies in: 1. the temperature is guaranteed to be constant. 2. The structural stability is good, and the normal operation is guaranteed. 3. Can be convenient for maintain, and use cost is low.

Description

Internal and external constant temperature plasticizing conveying mechanism

Technical Field

The utility model belongs to the field of plastic processing equipment, and relates to an internal and external constant-temperature plasticizing conveying mechanism.

Background

Before the plastic product is formed, the plastic raw material is plasticized and then conveyed to a forming machine or further processed, wherein the plasticizing refers to the whole process that the plastic reaches a flowing state in a charging barrel through heating and has good plasticity. At present, the temperature of the plasticized plastic is difficult to control in the conveying process, so that the conveying efficiency is influenced, and even the product quality is influenced.

Disclosure of Invention

The utility model aims to solve the problems and provides an internal and external constant-temperature plasticizing conveying mechanism capable of ensuring constant temperature.

In order to achieve the purpose, the utility model adopts the following technical scheme: this inside and outside constant temperature plastify conveying mechanism, including the auger conveyer, auger conveyer upper end be equipped with the discharge gate, the lower extreme is equipped with the feeder hopper, its characterized in that, the auger barrel of auger conveyer on be equipped with the external heating cover, the external heating cover in be equipped with annular liquid chamber, the external heating cover both ends be equipped with first joint respectively, the auger shaft of auger conveyer in be equipped with axial setting and the sealed liquid passage in both ends, the liquid passage both ends be equipped with respectively and cross the liquid subassembly, cross two liquid subassemblies and connect respectively on the feed liquor distributor of constant temperature liquid heater and play liquid distributor, two cross the liquid subassembly and connect respectively on feed liquor distributor and play liquid distributor.

In foretell inside and outside constant temperature plastify conveying mechanism, cross the liquid subassembly including setting up the ring channel on auger shaft outer wall, the ring channel in be equipped with annular rotary sleeve, annular rotary sleeve and auger shaft rotating seal connect, be equipped with the annular chamber between annular rotary sleeve and ring channel, annular chamber and fluid passage between be equipped with a plurality of axial settings and along the liquid hole of crossing that distributes on the circumferencial direction, annular rotary sleeve on be equipped with the drain hole, the drain hole on be connected with the drain joint of wearing to establish the auger barrel.

In the internal and external constant temperature plasticizing conveying mechanism, the outer heating sleeve is provided with a liquid guide joint through hole, and the liquid guide joint penetrates through the liquid guide joint through hole.

In the internal and external constant temperature plasticizing conveying mechanism, the sealing rings respectively positioned at two ends of the annular rotary sleeve are arranged between the annular rotary sleeve and the annular groove.

In the internal and external constant temperature plasticizing conveying mechanism, the annular rotating sleeve is formed by splicing and encircling two half rings.

In foretell inside and outside constant temperature plastify conveying mechanism, the drain hole on be equipped with the extension joint, the extension joint and the rotatory cover integrated into one piece of annular, the drain joint spiro union on the extension joint, the extension joint outer end support and lean on the auger barrel inner wall.

In the internal and external constant temperature plasticizing conveying mechanism, the liquid guide joint is screwed with a nut positioned on the outer side of the packing auger cylinder.

In the internal and external constant temperature plasticizing conveying mechanism, five liquid passing holes which are axially arranged and distributed along the circumferential direction are arranged between the annular cavity and the liquid channel.

In the internal and external constant temperature plasticizing conveying mechanism, the external heating sleeve is positioned between the discharge port and the feed hopper.

In the internal and external constant temperature plasticizing conveying mechanism, the two liquid passing assemblies are positioned between the discharge port and the feed hopper and are respectively close to the discharge port and the feed hopper.

Compared with the prior art, this inside and outside constant temperature plastify conveying mechanism's advantage lies in: 1. the temperature is guaranteed to be constant. 2. The structural stability is good, and the normal operation is guaranteed. 3. Can be convenient for maintain, and use cost is low.

Drawings

Fig. 1 is a partial sectional structural schematic view provided by the present invention.

Fig. 2 is an enlarged schematic view of a structure at a in fig. 1.

In the figure, an auger conveyor 1, a discharge port 2, a feed hopper 3, an auger cylinder 4, an external heating sleeve 5, an annular liquid cavity 51, a first joint 52, an auger shaft 6, a liquid channel 61, a liquid passing assembly 7, a liquid inlet distributor 81, a constant-temperature liquid heater 8, a liquid outlet distributor 82, an annular groove 71, an annular rotating sleeve 72, a liquid channel 61, an annular cavity 73, a liquid guide hole 75, a liquid passing hole 74, a liquid guide joint 76, a liquid guide joint perforation 53, a sealing ring 77, an extension joint 751 and a stability increasing frame 761.

Detailed Description

As shown in fig. 1 and 2, the internal and external constant temperature plasticizing conveying mechanism comprises an auger conveyor 1, an auger driver is arranged on the auger conveyor 1, a discharge port 2 is arranged at the upper end of the auger conveyor 1, a feed hopper 3 is arranged at the lower end of the auger conveyor 1, an external heating jacket 5 is arranged on an auger cylinder 4 of the auger conveyor 1, an annular liquid cavity 51 is arranged in the external heating jacket 5, first joints 52 are respectively arranged at two ends of the external heating jacket 5, a liquid channel 61 which is axially arranged and sealed at two ends is arranged in an auger shaft 6 of the auger conveyor 1, the liquid channel 61 and the auger shaft 6 are coaxially arranged, liquid passing assemblies 7 are respectively arranged at two ends of the liquid channel 61, the two liquid passing assemblies 7 are respectively connected to a liquid inlet distributor 81 and a liquid outlet distributor 82 of a constant temperature liquid heater 8, and the two liquid passing assemblies 7 are respectively connected to the liquid inlet distributor 81 and the liquid outlet distributor 82. The constant temperature liquid heater 8 may be a heating device such as an oil heater or a water heater, and the constant temperature liquid heater 8 is a commercially available device, and thus the structure thereof is not specifically described.

More specifically, the liquid passing assembly 7 comprises an annular groove 71 arranged on the outer wall of the auger shaft 6, an annular rotary sleeve 72 is arranged in the annular groove 71, the annular rotary sleeve 72 is connected with the auger shaft 6 in a rotating and sealing manner, an annular cavity 73 is arranged between the annular rotary sleeve 72 and the annular groove 71, a plurality of liquid passing holes 74 which are axially arranged and distributed along the circumferential direction are arranged between the annular cavity 73 and the liquid channel 61, a liquid guide hole 75 is arranged on the annular rotary sleeve 72, and a liquid guide joint 76 penetrating through the auger barrel 4 is connected to the liquid guide hole 75.

Preferably, the constant-temperature liquid heater 8 has a liquid flow driver.

Preferably, a fluid power pump is arranged between the constant temperature liquid heater 8 and the inlet liquid distributor 81 or the outlet liquid distributor 82.

Preferably, the inlet distributor 81 delivers hot liquid, and the outlet distributor 82 delivers cooled return liquid.

In order to increase the constant temperature area, the outer heating jacket 5 is provided with a liquid guide joint through hole 53, and the liquid guide joint 76 is provided with the liquid guide joint through hole 53.

In order to increase the sealing performance, sealing rings 77 are respectively arranged at two ends of the annular rotary sleeve 72 between the annular rotary sleeve 72 and the annular groove 71.

For the convenience of assembly, the annular rotary sleeve 72 is formed by splicing two half rings together.

In order to improve the operation stability and reduce the shake, an extension joint 751 is arranged on the liquid guide hole 75, the extension joint 751 and the annular rotary sleeve 72 are integrally formed, the liquid guide joint 76 is screwed on the extension joint 751, and the outer end of the extension joint 751 abuts against the inner wall of the packing auger barrel 4.

In order to further improve the fixing effect, the liquid guide joint 76 is screwed with a nut positioned outside the packing auger cylinder 4, and the inner end of the nut is abutted against the stability increasing frame 761.

Preferably, five axially arranged and circumferentially distributed liquid through holes 74 are provided between the annular chamber 73 and the liquid channel 61.

Preferably, an external heating jacket 5 is located between the outlet 2 and the hopper 3.

Preferably, two liquid passing assemblies 7 are located between the discharge port 2 and the feed hopper 3 and are close to the discharge port 2 and the feed hopper 3, respectively.

In use, heated liquid is delivered into the annular liquid chamber 51 and the liquid passage 61 by the constant temperature liquid heater 8.

The first joint 52 at the lower end conveys hot liquid into the annular liquid cavity 51, and the liquid after temperature reduction flows back to the constant-temperature liquid heater 8 through the first joint 52 at the upper end.

The liquid passing assembly 7 at the lower end is used as liquid inlet, liquid enters the annular cavity 73 through the liquid guide joint 76, the extension joint 751 and the liquid guide hole 75 in sequence, the auger shaft 6 rotates, the annular rotary sleeve 72 does not rotate, and the liquid in the annular cavity 73 enters the liquid channel 61 through the liquid passing hole 74.

The liquid passing assembly 7 at the upper end is used as a liquid outlet, liquid in the liquid channel 61 enters the annular cavity 73 through the liquid passing hole 74, the auger shaft 6 rotates, the annular rotating sleeve 72 does not rotate, and the liquid in the annular cavity 73 sequentially passes through the liquid guide hole 75 and the extension joint 751 and then flows out of the liquid guide joint 76.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although the terms auger conveyor 1, discharge port 2, feed hopper 3, auger barrel 4, outer heating jacket 5, annular liquid chamber 51, first joint 52, auger shaft 6, liquid channel 61, liquid passing assembly 7, liquid inlet distributor 81, thermostatic liquid heater 8, liquid outlet distributor 82, annular groove 71, annular rotary sleeve 72, liquid channel 61, annular chamber 73, liquid guide hole 75, liquid passing hole 74, liquid guide joint 76, liquid guide joint perforation 53, sealing ring 77, extension joint 751, stabilizing frame 761, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.

Claims (10)

1. An internal and external constant temperature plasticizing conveying mechanism comprises an auger conveyor (1), a discharge port (2) is arranged at the upper end of the auger conveyor (1), a feed hopper (3) is arranged at the lower end, it is characterized in that an outer heating sleeve (5) is arranged on an auger cylinder body (4) of the auger conveyor (1), an annular liquid cavity (51) is arranged in the outer heating sleeve (5), two ends of the outer heating sleeve (5) are respectively provided with a first joint (52), a packing auger shaft (6) of the packing auger conveyor (1) is internally provided with a liquid channel (61) which is axially arranged and has two sealed ends, two ends of the liquid channel (61) are respectively provided with a liquid passing assembly (7), the two liquid passing assemblies (7) are respectively connected to a liquid inlet distributor (81) and a liquid outlet distributor (82) of a constant temperature liquid heater (8), the two liquid passing assemblies (7) are respectively connected to the liquid inlet distributor (81) and the liquid outlet distributor (82).

2. The inside and outside constant temperature plastify conveying mechanism of claim 1, characterized in that, cross liquid subassembly (7) including setting up ring channel (71) on auger shaft (6) outer wall, ring channel (71) in be equipped with annular rotating sleeve (72), annular rotating sleeve (72) and auger shaft (6) rotate sealing connection, be equipped with annular chamber (73) between annular rotating sleeve (72) and ring channel (71), annular chamber (73) and liquid channel (61) between be equipped with a plurality of axial settings and along the liquid hole (74) of crossing that distributes in the circumferencial direction, annular rotating sleeve (72) on be equipped with drain hole (75), drain hole (75) on be connected with drain joint (76) of wearing to establish auger barrel (4).

3. The inside and outside constant temperature plasticizing conveying mechanism according to claim 2, characterized in that the outer heating jacket (5) is provided with a liquid guide joint through hole (53), and the liquid guide joint (76) is provided with the liquid guide joint through hole (53).

4. The inside and outside constant temperature plasticizing conveying mechanism of claim 2, characterized in that a sealing ring (77) is respectively arranged at two ends of the annular rotating sleeve (72) between the annular rotating sleeve (72) and the annular groove (71).

5. The inside and outside constant temperature plasticizing conveying mechanism of claim 4, wherein the annular rotating sleeve (72) is formed by splicing and encircling two half rings.

6. The inside and outside constant temperature plasticizing conveying mechanism according to claim 2, characterized in that the liquid guide hole (75) is provided with an extension joint (751), the extension joint (751) and the annular rotary sleeve (72) are integrally formed, the liquid guide joint (76) is screwed on the extension joint (751), and the outer end of the extension joint (751) is abutted against the inner wall of the auger barrel (4).

7. The inside and outside constant temperature plasticizing conveying mechanism of claim 6, wherein the liquid guide joint (76) is in threaded connection with a nut positioned outside the auger cylinder (4).

8. Internal and external constant temperature plasticizing delivery mechanism according to claim 2, characterized in that five axially arranged and circumferentially distributed liquid passing holes (74) are provided between the annular chamber (73) and the liquid channel (61).

9. A plasticating conveyor at constant temperature inside and outside according to any one of claims 1 to 8, characterised in that the outer jacket (5) is located between the outlet (2) and the inlet hopper (3).

10. A plasticating conveyor at constant temperature inside and outside according to any one of claims 1 to 8, wherein said two liquid passing assemblies (7) are located between the discharge port (2) and the feed hopper (3) and are respectively close to the discharge port (2) and the feed hopper (3).

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