CN212860343U

CN212860343U - Double-screw extruder for producing modified PA material

Info

Publication number: CN212860343U
Application number: CN202021676756.5U
Authority: CN
Inventors: 方长勇; 张军; 王国富
Original assignee: Jiaxing Dexin Electronic Technology Co ltd
Current assignee: Jiaxing Dexin Electronic Technology Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-04-02
Anticipated expiration: 2030-08-13

Abstract

The utility model relates to a double screw extruder technical field just discloses a double screw extruder for modified PA material production, including the double screw extruder body, the fixed intercommunication of feed inlet of double screw extruder body has antifriction bearing, antifriction bearing's outer wall fixedly connected with feeder hopper, the fixed ring gear that has cup jointed of outer wall of feeder hopper, the last fixed surface of double screw extruder body is connected with driving motor, driving motor's output fixedly connected with gear, the outer wall of gear and the outer wall intermeshing of ring gear, antifriction bearing's inner wall fixedly connected with L shape prevents stifled pole, the outer wall fixedly connected with waste heat recovery mechanism of double screw extruder body. The utility model discloses can effectively improve the thermal utilization ratio of double screw extruder, make double screw extruder have simultaneously and prevent stifled function, improve the efficiency of double screw extruder processing PA material to and reduced staff's intensity of labour.

Description

Double-screw extruder for producing modified PA material

Technical Field

The utility model relates to a double screw extruder technical field especially relates to a double screw extruder for modified PA material production.

Background

The double-screw extruder is developed on the basis of a single-screw extruder, has the characteristics of good feeding performance, mixing and plasticizing performance, exhaust performance, extrusion stability and the like, and is widely applied to the molding processing of extruded products at present.

The condition of jam takes place easily in the time of current double screw extruder feeding, then needs the artifical mediation of staff, and the mediation process is wasted time and energy, influences double screw extruder's work efficiency to and increased staff's intensity of labour.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the jam easily occurs when double screw extruder feeds among the prior art, then needs the artifical mediation of staff, and the mediation process is wasted time and energy, influences double screw extruder's work efficiency to and increased staff intensity of labour, and the double screw extruder who is used for the production of modified PA material that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a double screw extruder for modified PA material production, includes the double screw extruder body, the fixed intercommunication of feed inlet of double screw extruder body has antifriction bearing, antifriction bearing's outer wall fixedly connected with feeder hopper, the outer wall of feeder hopper is fixed to be cup jointed the ring gear, the last fixed surface of double screw extruder body is connected with driving motor, driving motor's output fixedly connected with gear, the outer wall of gear and the outer wall intermeshing of ring gear, antifriction bearing's inner wall fixedly connected with L shape prevents stifled pole, the outer wall fixedly connected with waste heat recovery mechanism of double screw extruder body.

Preferably, the waste heat recovery mechanism includes that the overcoat has been cup jointed with the outer wall of twin-screw extruder body extrusion opening, the air inlet has been seted up to the lower surface of overcoat, the last fixed surface of twin-screw extruder body is connected with the aspiration pump, the fixed intercommunication of input of aspiration pump has the pipe, the bottom of pipe and the last fixed surface of overcoat intercommunication, the fixed intercommunication of output of aspiration pump has the conveyer pipe, the bottom of conveyer pipe and the inside that stretches into the feeder hopper.

Preferably, the inner wall of the feed hopper is fixedly connected with a conical guide pipe.

Preferably, the upper surface of the rolling bearing is fixedly connected with a conical guide ring.

Preferably, the pipe wall of the conveying pipe is fixedly sleeved with a supporting plate, and the lower surface of the supporting plate is fixedly connected with the upper surface of the double-screw extruder body.

Preferably, the lower surface of the outer sleeve is fixedly connected with a dust screen.

Compared with the prior art, the utility model provides a double screw extruder for modified PA material production possesses following beneficial effect:

1. this a double screw extruder for modified PA material production, through being provided with driving motor, stifled pole and antifriction bearing are prevented to L shape, carry out the feeding through the feeder hopper when double screw extruder body during operation, start driving motor this moment, driving motor makes the feeder hopper rotate through gear and ring gear, stifled pole can prevent that the raw materials from blockking up is prevented to the in-process L shape of feeder hopper feeding, thereby do not need the artifical mediation of staff to block up, time saving and labor saving, this mechanism can effectively improve the efficiency of double screw extruder processing PA material, and staff's intensity of labour has been reduced.

2. This a twin-screw extruder for modified PA material production, through being provided with the overcoat, the aspiration pump, pipe and conveyer pipe, when the work of twin-screw extruder body, the PA material that the twin-screw extruder body was extruded can give off the heat, later start the aspiration pump, the aspiration pump passes through the hot-air of pipe absorption overcoat, the hot-air passes through in pipe and the conveyer pipe transport feeder hopper, the hot-air can heat the raw materials, and then reduce the time that the raw materials melts at the twin-screw extruder body, the hot-air can enter into the twin-screw extruder body inside once more simultaneously, make the heat reuse, this mechanism can effectively improve the thermal utilization ratio of twin-screw extruder, and the efficiency of twin-screw extruder processing PA material has been improved.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can effectively improve the thermal utilization ratio of double screw extruder, make double screw extruder have simultaneously and prevent stifled function, improve the efficiency of double screw extruder processing PA material to and reduced staff's intensity of labour.

Drawings

FIG. 1 is a schematic structural diagram of a twin-screw extruder for producing modified PA material according to the present invention;

fig. 2 is a schematic structural diagram of a part a of a twin-screw extruder for producing a modified PA material, which is provided by the present invention.

In the figure: the device comprises a double-screw extruder body 1, a rolling bearing 2, a feed hopper 3, a toothed ring 4, a driving motor 5, a gear 6, a 7L-shaped anti-blocking rod 8, a waste heat recovery mechanism 81, an outer sleeve 82, an air inlet 82, an air suction pump 83, a guide pipe 84, a conveying pipe 85, a conical material guide pipe 9, a conical material guide ring 10, a support plate 11 and a dust screen 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships 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 being 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.

Referring to fig. 1-2, a double screw extruder for modified PA material production, including double screw extruder body 1, the fixed intercommunication of feed inlet of double screw extruder body 1 has antifriction bearing 2, antifriction bearing 2's outer wall fixedly connected with feeder hopper 3, the outer wall of feeder hopper 3 is fixed to have cup jointed ring gear 4, double screw extruder body 1's last fixed surface is connected with driving motor 5, driving motor 5's output fixedly connected with gear 6, the outer wall of gear 6 and ring gear 4's outer wall intermeshing, antifriction bearing 2's inner wall fixedly connected with L shape prevents stifled pole 7, double screw extruder body 1's outer wall fixedly connected with waste heat recovery mechanism 8.

Waste heat recovery mechanism 8 includes and has cup jointed overcoat 81 with the outer wall of double screw extruder body 1 extrusion opening is fixed, air inlet 82 has been seted up to the lower surface of overcoat 81, double screw extruder body 1's last fixed surface is connected with aspiration pump 83, the fixed intercommunication of input of aspiration pump 83 has pipe 84, the bottom of pipe 84 and the last fixed surface of overcoat 81 intercommunication, the fixed intercommunication of output of aspiration pump 83 has conveyer pipe 85, conveyer pipe 85's bottom and the inside that stretches into feeder hopper 3, this mechanism can effectively improve the thermal utilization ratio of double screw extruder, and the efficiency of double screw extruder processing PA material has been improved.

The inner wall of the feed hopper 3 is fixedly connected with a conical material guide pipe 9, and the conical material guide pipe 9 can prevent raw materials from being accumulated above the rolling bearing 2.

The upper surface of the rolling bearing 2 is fixedly connected with a conical material guiding ring 10, and the conical material guiding ring 10 can enable raw materials to enter the double-screw extruder body 1.

The fixed backup pad 11 that has cup jointed of pipe wall of conveyer pipe 85, the lower surface of backup pad 11 and the last fixed surface of double screw extruder body 1 are connected, and backup pad 11 can ensure the stability that conveyer pipe 85 placed.

The lower surface of the outer casing 81 is fixedly connected with the dust screen 12, the dust screen 12 can prevent foreign matters from entering the outer casing 81, and the driving motor 5 and the air pump 83 are electrically connected with an external power supply through a control box, which is a conventional technique and belongs to a conventional technical means of a person skilled in the art, and therefore, the details are not described.

In the utility model, when the double-screw extruder body 1 is in operation, the feeding is carried out through the feeding hopper 3, the driving motor 5 is started at the moment, the driving motor 5 enables the feeding hopper 3 to rotate through the gear 6 and the toothed ring 4, the L-shaped anti-blocking rod 7 can prevent the raw material from being blocked in the feeding process of the feeding hopper 3, so that the manual dredging and blocking of workers are not needed, time and labor are saved, the mechanism can effectively improve the efficiency of the double-screw extruder for processing PA materials, and the labor intensity of the workers is reduced, when the double-screw extruder body 1 is in operation, the PA materials extruded by the double-screw extruder body 1 can emit heat, then the air pump 83 is started, the air pump 83 absorbs the hot air of the outer sleeve 81 through the guide pipe 84, the hot air is conveyed into the feeding hopper 3 through the guide pipe 84 and the conveying pipe 85, the hot air can heat the raw material, and further, simultaneously hot-air can enter into double screw extruder body 1 inside once more, makes the heat reuse, and this mechanism can effectively improve double screw extruder heat's utilization ratio to and the efficiency of double screw extruder processing PA material has been improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a twin-screw extruder for modified PA material production, includes twin-screw extruder body (1), its characterized in that, the fixed intercommunication of feed inlet of twin-screw extruder body (1) has antifriction bearing (2), outer wall fixedly connected with feeder hopper (3) of antifriction bearing (2), the outer wall fixed of feeder hopper (3) has cup jointed ring gear (4), the last fixed surface of twin-screw extruder body (1) is connected with driving motor (5), the output fixedly connected with gear (6) of driving motor (5), the outer wall of gear (6) and the outer wall intermeshing of ring gear (4), inner wall fixedly connected with L shape of antifriction bearing (2) prevents stifled pole (7), the outer wall fixedly connected with waste heat recovery mechanism (8) of twin-screw extruder body (1).

2. The twin-screw extruder for producing the modified PA material is characterized in that the waste heat recovery mechanism (8) comprises an outer sleeve (81) fixedly sleeved on the outer wall of an extrusion opening of the twin-screw extruder body (1), an air inlet (82) is formed in the lower surface of the outer sleeve (81), an air suction pump (83) is fixedly connected to the upper surface of the twin-screw extruder body (1), the input end of the air suction pump (83) is fixedly communicated with a guide pipe (84), the bottom end of the guide pipe (84) is fixedly communicated with the upper surface of the outer sleeve (81), the output end of the air suction pump (83) is fixedly communicated with a conveying pipe (85), and the bottom end of the conveying pipe (85) extends into the feeding hopper (3).

3. The twin-screw extruder for the production of modified PA material as claimed in claim 1, characterized in that a conical guide tube (9) is fixedly connected to the inner wall of the feed hopper (3).

4. The twin-screw extruder for the production of modified PA material according to claim 1, characterised in that a conical guide ring (10) is fixedly connected to the upper surface of the rolling bearing (2).

5. The twin-screw extruder for producing the modified PA material is characterized in that a supporting plate (11) is fixedly sleeved on the pipe wall of the conveying pipe (85), and the lower surface of the supporting plate (11) is fixedly connected with the upper surface of the twin-screw extruder body (1).

6. The twin-screw extruder for the production of modified PA material as claimed in claim 2, characterized in that a dust screen (12) is fixedly connected to the lower surface of the outer sleeve (81).