Drying device for screw extruder

Abstract

The utility model discloses a drying device for a screw extruder, which relates to the technical field of drying of screw extruders and comprises a drying mechanism. A screw cylinder structure is arranged at one end of the screw extruder; the drying mechanism comprises an external connection seat, a first external connection piece, a vacuum pressure gauge, a guide connection piece, a vacuum pump and a water tank, the vacuum pump, the external connection seat, the first external connection piece, the second external connection piece and the connecting hose guide water vapor and oil gas into the guide connection piece, the guide connection piece, the first connecting pipe and the second connecting pipe guide water vapor and oil gas into the water tank, and water vapor and oil gas on a screw rod are pumped out; the screw rod is prevented from being polluted and rusted, so that the yield of product production is improved, impurities and raw material spots of produced products are reduced, the economic loss of people is reduced, and the situation that oil gas generates peculiar smell and influences air smell is avoided; the first connecting piece and the second connecting piece are matched to disassemble and fix the second connecting pipe.

Description

TECHNICAL FIELD

[0001] The utility model belongs to screw extruder drying technical field, specifically a kind of drying device for screw extruder. BACKGROUND

[0002] Screw extruder is a kind of plastic processing equipment, it is mainly composed of screw cylinder, screw, heater and control system these parts, screw extruder is relied on the pressure and shear force generated by screw rotation, can make that material can be plasticized and uniformly mixed, through die forming, drying device is a kind of equipment for removing water in material, the working principle of drying device is quite simple, just by heating, ventilation or hygroscopic method, let water in material evaporate.

[0003] The existing Y02 line's screw extruder when in use, screw inside the screw cylinder can be adhered with water vapor oil gas, so that the shear force of screw to material exists defect, lead to product to appear impurity and raw material spot easily during extrusion, it is difficult to solve in process, seriously affect product quality and the promotion of production capacity, caused economic loss to people, cannot satisfy people's demand. INVENTION CONTENTS

[0004] The utility model aims at at least one of the technical problems existing in prior art;Therefore, the utility model provides a kind of drying device for screw extruder.

[0005] A kind of drying device for screw extruder, including the drying mechanism of being detachably connected with screw extruder;Wherein, one end of the screw extruder is provided with screw cylinder structure, the inside of the screw cylinder structure is provided with screw structure;The drying mechanism includes the outer connection seat of being detachably installed in the outer wall of screw cylinder structure, the first outer connecting piece of being detachably installed in the outer wall of outer connection seat and the vacuum pressure gauge of being detachably installed on the first outer connecting piece, the vacuum pressure gauge can monitor the pressure of vacuum, prevent pressure anomaly;The drying mechanism further includes the guide piece being communicated with the first outer connecting piece, the vacuum pump being communicated with guide piece and the water tank being set on the side of vacuum pump and being communicated with vacuum pump, the vacuum pump can extract water vapor oil gas in the inside of screw cylinder structure into water tank.

[0006] As the further scheme of the utility model: the inner side surface of the outer connection seat is attached with the outer wall of screw cylinder structure, the outer connection seat is provided with the vacuum port being communicated with screw cylinder structure, the outer wall of the outer connection seat is vertically provided with the outer connecting pipe being connected with the first outer connecting piece, the vacuum pump extracts water vapor oil gas in the inside of screw cylinder structure into outer connection seat through vacuum port.

[0007] As a further scheme of the utility model: one end of the first outer connecting piece is detachably provided with a second outer connecting piece, one end of the second outer connecting piece is detachably provided with a control valve, the first outer connecting piece and the second outer connecting piece are all provided with a three-way structure, and the control valve is convenient for protecting the first outer connecting piece and the second outer connecting piece.

[0008] As a further scheme of the utility model: one end of the first outer connecting piece is detachably provided with a second outer connecting piece, one end of the second outer connecting piece is detachably provided with a control valve, the first outer connecting piece and the second outer connecting piece are all provided with a three-way structure, and the control valve is convenient for protecting the first outer connecting piece and the second outer connecting piece.

[0009] As a further scheme of the utility model: one end of the first outer connecting piece is detachably provided with a second outer connecting piece, one end of the second outer connecting piece is detachably provided with a control valve, the first outer connecting piece and the second outer connecting piece are all provided with a three-way structure, and the control valve is convenient for protecting the first outer connecting piece and the second outer connecting piece.

[0010] As a further scheme of the utility model: one end of the first outer connecting piece is detachably provided with a second outer connecting piece, one end of the second outer connecting piece is detachably provided with a control valve, the first outer connecting piece and the second outer connecting piece are all provided with a three-way structure, and the control valve is convenient for protecting the first outer connecting piece and the second outer connecting piece.

[0011] As a further scheme of the utility model: one end of the first outer connecting piece is detachably provided with a second outer connecting piece, one end of the second outer connecting piece is detachably provided with a control valve, the first outer connecting piece and the second outer connecting piece are all provided with a three-way structure, and the control valve is convenient for protecting the first outer connecting piece and the second outer connecting piece.

[0012] As a further scheme of the utility model: one end of the first outer connecting piece is detachably provided with a second outer connecting piece, one end of the second outer connecting piece is detachably provided with a control valve, the first outer connecting piece and the second outer connecting piece are all provided with a three-way structure, and the control valve is convenient for protecting the first outer connecting piece and the second outer connecting piece.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] (1) the utility model discloses a drying mechanism, a vacuum pump, an outer connecting seat, a first outer connecting piece, a second outer connecting piece and a connecting hose are arranged, water vapor oil gas is guided into the guide connecting piece, the guide connecting piece, the first connecting pipe and the second connecting pipe guide water vapor oil gas into the water tank, the water vapor oil gas on the screw rod is extracted, the screw rod is prevented from being contaminated and rusted, the product production yield is improved, the production product impurities and raw material stains are reduced, the economic loss of people is reduced, the oil gas is prevented from producing peculiar smell, the air smell is influenced, the vacuum pressure table monitors the vacuum pressure in the drying mechanism, the fixed head and the fixed pipe cooperate to detach and maintain the first connecting pipe, and the first connecting piece and the second connecting piece cooperate to detach and fix the second connecting pipe. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic view of the utility model.

[0016] Figure 2 It is the partial structure view of the utility model in external connector and vacuum pressure gauge.

[0017] Figure 3 It is the partial structure view of the utility model in guide connector and connecting hose.

[0018] In the drawing: 1, mounting plate;2, screw barrel structure;3, external connector;4, first external connector;5, vacuum pressure gauge;6, guide connector;7, vacuum pump;8, water tank;9, external pipe;10, second external connector;11, control valve;12, first external connector;13, second external connector;14, connecting hose;15, maintenance plate;16, first flange;17, second flange;18, first connecting pipe;19, fixed pipe;20, fixed head;21, first connecting piece;22, second connecting piece;23, second connecting pipe. DETAILED DESCRIPTION

[0019] The technical scheme of the utility model will be described clearly and completely below in conjunction with embodiments, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts belong to the protection scope of the utility model.

[0020] Embodiment one

[0021] Please refer to Figure 1 - Figure 3 The application provides a drying device for screw extruder, which comprises a drying mechanism detachably connected with the screw extruder;Wherein one end of the screw extruder is provided with a screw barrel structure 2, and the inside of the screw barrel structure 2 is provided with a screw structure;The drying mechanism comprises an external connector 3 detachably installed on the outer wall of the screw barrel structure 2, a first external connector 4 detachably installed on the outer wall of the external connector 3 and a vacuum pressure gauge 5 detachably installed on the first external connector 4, the vacuum pressure gauge 5 can monitor the pressure of vacuum and prevent abnormal pressure;The drying mechanism further comprises a guide connector 6 communicated with the first external connector 4, a vacuum pump 7 communicated with the guide connector 6 and a water tank 8 provided on one side of the vacuum pump 7 and communicated with the vacuum pump 7, and the vacuum pump 7 can pump the water vapor and gas in the inside of the screw barrel structure 2 into the water tank 8.

[0022] The inner side surface of the external connector 3 is attached to the outer wall of the screw cylinder structure 2, the external connector 3 is provided with a vacuum port communicated with the screw cylinder structure 2, and the outer wall of the external connector 3 is provided with an external connecting pipe 9 connected with the first external connector 4.

[0023] The first external connector 4 is detachably provided with the second external connector 10, and the second external connector 10 is detachably provided with the control valve 11.

[0024] The upper end of the guide connector 6 is provided with the first external connector 12, the lower end of the second external connector 10 is detachably provided with the second external connector 13, the first external connector 12 is detachably provided with the connecting hose 14 communicated with the second external connector 13, one end of the guide connector 6 is detachably provided with the maintenance plate 15, the vertical section of the maintenance plate 15 is in a circular structure, and the maintenance plate 15 is provided with a plurality of groups of bolts connected with the guide connector 6 in a circular array.

[0025] The upper end of the guide connector 6 is provided with the first flange 16, the vacuum pump 7 is provided with the second flange 17, and the first flange 16 is provided with the first connecting pipe 18 communicated with the second flange 17.

[0026] In summary, the vacuum pump 7 is started, the external connector 3 guides the water vapor oil gas in the screw cylinder structure 2 into the first external connector 4 through the external connecting pipe 9, and then into the guide connector 6 through the second external connector 10 and the connecting hose 14, and then into the water tank 8 through the first connecting pipe 18; the vacuum pressure gauge 5 monitors the vacuum pressure in the drying mechanism; and the maintenance plate 15 is detached for cleaning and maintenance of the guide connector 6.

[0027] Embodiment two

[0028] Reference Figure 2 and Figure 3 , the first connecting pipe 18 is detachably provided with the fixed pipe 19, one end of the first connecting pipe 18 is provided with the fixed head 20 in sealed connection with the fixed pipe 19, and the fixed pipe 19 and the two groups of fixed heads 20 are used in cooperation to assemble and communicate the two groups of first connecting pipes 18.

[0029] The first connecting pipe 18 is detachably provided with the fixed pipe 19, one end of the first connecting pipe 18 is provided with the fixed head 20 in sealed connection with the fixed pipe 19, and the fixed pipe 19 and the two groups of fixed heads 20 are used in cooperation to assemble and communicate the two groups of first connecting pipes 18.

[0030] The water tank 8 is provided with a mounting plate 1 connected with the guide connecting piece 6 at the bottom end of the vacuum pump 7.

[0031] In conclusion, the guide connecting piece 6 guides the water vapor to the second connecting pipe 23 through the first connecting pipe 18, and then to the water tank 8, and the fixed head 20 is detached from the fixed pipe 19, the first connecting pipe 18 is maintained, the second connecting pipe 23 is detached from the second connecting piece 22, and then is maintained and replaced.

[0032] Example Three

[0033] Reference Figure 1 - Figure 3 This example is obtained by combining example one and example two.

[0034] The vacuum pump 7, the external connecting seat 3, the first external connecting piece 4, the second external connecting piece 10 and the connecting hose 14 guide the water vapor to the guide connecting piece 6, the vacuum pressure gauge 5 monitors the vacuum pressure in the drying mechanism, the guide connecting piece 6, the first connecting pipe 18 and the second connecting pipe 23 guide the water vapor to the water tank 8, the fixed head 20 and the fixed pipe 19 cooperate to maintain the first connecting pipe 18, and the first connecting piece 21 and the second connecting piece 22 cooperate to maintain the second connecting pipe 23.

[0035] The above examples are only used to illustrate the technical method of the utility model, and are not limited. Although the utility model is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical method of the utility model can be modified or replaced equivalently without departing from the spirit and scope of the technical method of the utility model.

Claims

1. A drying device for a screw extruder, characterized in that, Includes a drying mechanism that is detachably connected to the screw extruder; The screw extruder is provided with a screw barrel structure (2) at one end; The drying mechanism includes an outer seat (3) detachably mounted on the outer wall of the screw structure (2), a first outer component (4) detachably mounted on the outer wall of the outer seat (3), and a vacuum pressure gauge (5) detachably mounted on the first outer component (4); The drying mechanism also includes a guide (6) connected to the first external connector (4), a vacuum pump (7) connected to the guide (6), and a water tank (8) disposed on one side of the vacuum pump (7) and connected to the vacuum pump (7).

2. The drying device for a screw extruder according to claim 1, characterized in that, The inner side of the outer connector (3) is in contact with the outer wall of the screw structure (2). The outer connector (3) is provided with a vacuum port that communicates with the screw structure (2). The outer wall of the outer connector (3) is vertically provided with an outer pipe (9) that is connected to the first outer connector (4).

3. A drying device for a screw extruder according to claim 2, characterized in that, The first external component (4) is detachably mounted with a second external component (10) at one end, and a control valve (11) is detachably mounted on one end of the second external component (10). Both the first external component (4) and the second external component (10) are configured as three-way structures.

4. A drying device for a screw extruder according to claim 3, characterized in that, The upper end of the guide (6) is provided with a first external connector (12), the lower end of the second external connector (10) is detachably provided with a second external connector (13), the first external connector (12) is detachably installed with a connecting hose (14) communicating with the second external connector (13), and one end of the guide (6) is detachably provided with a maintenance plate (15).

5. A drying device for a screw extruder according to claim 4, characterized in that, A first flange (16) is provided on the other side of the upper end of the guide (6), and a second flange (17) is provided on the vacuum pump (7). A first connecting pipe (18) communicating with the second flange (17) is provided on the first flange (16).

6. A drying device for a screw extruder according to claim 5, characterized in that, A fixing tube (19) is detachably provided on the first connecting tube (18), and a fixing head (20) is provided at one end of the first connecting tube (18) and sealed to the fixing tube (19).

7. A drying device for a screw extruder according to claim 6, characterized in that, The vacuum pump (7) is vertically provided with a first connector (21), and the outer wall of the water tank (8) is vertically and detachably provided with a second connector (22). The first connector (21) is provided with a second connecting pipe (23) that communicates with the second connector (22).

8. A drying device for a screw extruder according to claim 1, characterized in that, The water tank (8) is configured as a vacuum structure, and the bottom end of the vacuum pump (7) is provided with a mounting plate (1) that is connected to the guide (6).

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