Vacuum pump system for production of double-screw extruder

Abstract

The utility model discloses a vacuum pump system for production of a twin-screw extruder, which relates to the technical field of twin-screw extruders and comprises a base, a transmission seat and a twin-screw extruder body are arranged at the top of the base, twin screws are arranged in the twin-screw extruder body and connected with the transmission seat, a motor is arranged on the transmission seat, and a vacuum pump is arranged on the base. The motor is connected with the double screws through the transmission seat, and a feeding port and a discharging port are formed in the double-screw extruder body. The filter plate is arranged in the exhaust pipe, and the top plate and the sealing ring are arranged at the top of the exhaust pipe, so that the filter plate can be detached for regular cleaning, cable materials can be prevented from entering the position above the filter plate to block the exhaust pipe and further block the vacuum pump, and the vacuumizing process is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to double screw extruder technical field, concretely is a kind of vacuum pump system for double screw extruder production. BACKGROUND

[0002] Double screw extruder is often used to transport, mix various materials, since double screw extruder can be self-cleaning, shear is strong, and mixing efficiency is high, it is often used to extrude cable material.

[0003] The vacuum pump system for double screw extruder refers to a hole opened in front of the discharge port of cable material extruder, the hole is connected with vacuum pump, so that the gas content of cable material is less, and the extruded cable material is more compact.

[0004] However, the applicant found that cable material is easy to enter the exhaust hole during vacuumizing, which causes the exhaust hole to be blocked and affects exhaust, so that vacuumizing loses significance, therefore, we provide a kind of vacuum pump system for double screw extruder production. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of vacuum pump system for double screw extruder production to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of vacuum pump system for double screw extruder production, including, base, the top of the base is provided with transmission seat and double screw extruder body, double screw is provided in the double screw extruder body, the double screw is connected with transmission seat, motor is provided on the transmission seat, and motor is connected with double screw by transmission seat, the double screw extruder body is provided with feed inlet and discharge port;

[0007] The top right end of the double screw extruder body is communicated with exhaust pipe, the rear top of the exhaust pipe is connected with transmission pipe, the transmission pipe is communicated with vacuum pump, and the vacuum pump is arranged on the base;

[0008] Filter plate is connected on the inner wall of the exhaust pipe, vertical rod is arranged on the top of the filter plate, the top of the vertical rod is connected with top plate, sealing ring is arranged on the bottom of the top plate, the sealing ring is closely connected on the top of the exhaust pipe, bolt one connected with exhaust pipe is uniformly arranged on the top plate.

[0009] As a preferred scheme of the utility model, the bottom of the filter plate is connected with scraping assembly.

[0010] As a preferred scheme of the double screw extruder production vacuum pump system, the scraping assembly comprises a motor arranged on the top of the top plate, the output shaft of the motor is connected with the telescopic piece, the output shaft of the motor is rotationally connected with bearing two arranged on the top plate, the bottom of the two sides of the telescopic piece is provided with a connecting rod, and the scraping rod is arranged on the two side connecting rods.

[0011] As a preferred scheme of the double screw extruder production vacuum pump system, the filter plate is in an annular structure, and the inner ring of the filter plate is provided with bearing one connected with the telescopic piece.

[0012] As a preferred scheme of the double screw extruder production vacuum pump system, the scraping rod is in an inverted L-shaped structure, the top of the scraping rod is in contact with the filter plate, and the side wall of the scraping rod is in contact with the inner wall of the exhaust pipe.

[0013] As a preferred scheme of the double screw extruder production vacuum pump system, the telescopic piece comprises a shaft sleeve connected with the bottom of the output shaft of the motor, the shaft sleeve is connected with bearing one, a shaft rod connected with the connecting rod is vertically and slidingly connected in the shaft sleeve, and the shaft rod and the shaft sleeve are connected with bolt two.

[0014] Compared with the prior art, the double screw extruder production vacuum pump system has the advantages that:

[0015] 1. By arranging the filter plate in the exhaust pipe, and arranging the top plate and the sealing ring on the top of the exhaust pipe, the filter plate can be removed for regular cleaning, and the cable material can be prevented from entering the upper part of the filter plate to block the exhaust pipe and the vacuum pump, thereby ensuring the progress of the vacuumizing process.

[0016] 2. By arranging the scraping assembly, the cable material adhered to the inner wall of the exhaust pipe below the filter plate and the cable material adhered to the bottom of the filter plate can be prevented, and the cleaning frequency of the filter plate can be reduced. DRAWINGS

[0017] Fig. 1 It is a whole structure schematic view of the double screw extruder production vacuum pump system.

[0018] Fig. 2 It is a structure schematic view of the scraping assembly of the double screw extruder production vacuum pump system.

[0019] Fig. 3 It is a local structure enlarged schematic view of the double screw extruder production vacuum pump system.

[0020] In the figure: 1, base; 2, transmission seat; 3, double screw extruder body; 4, motor; 5, feed inlet; 6, discharge outlet; 7, exhaust pipe; 8, transmission pipe; 9, vacuum pump; 10, filter plate; 11, vertical rod; 12, top plate; 13, sealing ring; 14, bolt one; 15, motor; 16, connecting rod; 17, scraper; 18, bearing one; 19, shaft sleeve; 20, shaft rod; 21, bolt two; 22, bearing two. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] As mentioned in the background, the problem of easy plugging of the exhaust hole in the prior art.

[0023] The utility model proposes a kind of double screw extruder production with vacuum pump system.

[0024] Example 1

[0025] Reference Figs. 1-3 A kind of double screw extruder production with vacuum pump system, including, base 1, the top of base 1 is provided with transmission seat 2 and double screw extruder body 3, double screw is provided in double screw extruder body 3, double screw is connected with transmission seat 2, motor 4 is provided on transmission seat 2, and motor 4 is connected with double screw by transmission seat 2, and double screw extruder body 3 is provided with feed inlet 5 and discharge outlet 6;

[0026] The top right end of double screw extruder body 3 is communicated with exhaust pipe 7, the top rear side of exhaust pipe 7 is connected with transmission pipe 8, transmission pipe 8 is communicated with vacuum pump 9, and vacuum pump 9 is arranged on base 1, vacuum pump 9 is pumped, so that transmission pipe 8 extracts the air in exhaust pipe 7;

[0027] Filter plate 10 is connected on the inner wall of exhaust pipe 7, vertical rod 11 is provided on the top of both sides of filter plate 10, the top of vertical rod 11 is connected with top plate 12, so that filter plate 10 can be moved when moving top plate 12, sealing ring 13 is arranged on the bottom of top plate 12, sealing ring 13 is closely connected on the top of exhaust pipe 7, bolt one 14 connected with exhaust pipe 7 is uniformly arranged on top plate 12, and top plate 12 can be fixed.

[0028] Filter plate 10 is connected with scraping assembly.

[0029] The scraping assembly comprises a motor 15 arranged on the top of the top plate 12, the motor 15 is powered and controlled by the prior art, the output shaft of the motor 15 is connected with the telescopic piece, and the output shaft of the motor 15 is rotationally connected with the bearing two 22 arranged on the top plate 12, the bottom of the two sides of the telescopic piece is provided with a connecting rod 16, and the connecting rod 16 is provided with a scraping rod 17, the motor 15 drives the connecting rod 16 to rotate through the telescopic piece, so that the scraping rod 17 can be rotated.

[0030] The filter plate 10 is in a ring structure, and the inner ring of the filter plate 10 is provided with a bearing one 18 connected with the telescopic piece, so that when the telescopic piece rotates, the bearing one 18 rotates with the inner ring, and the outer ring does not rotate, thereby not driving the filter plate 10 to rotate.

[0031] The scraping rod 17 is in an inverted L-shaped structure, the top of the scraping rod 17 is in contact with the filter plate 10, and the side wall of the scraping rod 17 is in contact with the inner wall of the exhaust pipe 7, so that the cable material adhered on the bottom of the filter plate 10 and the inner wall of the exhaust pipe 7 below the filter plate 10 can be scraped off.

[0032] Embodiment 2

[0033] Reference Figs. 1-3 The telescopic piece comprises a shaft sleeve 19 connected with the bottom of the output shaft of the motor 15, the shaft sleeve 19 is connected with the bearing one 18, and the shaft sleeve 19 is vertically and slidingly connected with a shaft rod 20 connected with the connecting rod 16, and the shaft rod 20 and the shaft sleeve 19 are connected with a bolt two 21, so that the shaft rod 20 can be detached from the shaft sleeve 19.

[0034] The remaining structures are the same as those in embodiment 1.

[0035] When vacuumizing, part of the cable material raw material enters the exhaust pipe 7, and can be blocked by the filter plate 10, thereby avoiding blocking the vacuum pump 9, when vacuumizing, the motor 15 is started, the shaft sleeve 19 drives the shaft rod 20 to rotate, and then the connecting rod 16 drives the scraping rod 17 to rotate, so that the bottom of the filter plate 10 and the inner wall of the exhaust pipe 7 below the filter plate 10 are cleaned, and the adhered cable material is scraped off, so as to ensure the ventilation efficiency of the filter plate 10, when the filter plate 10 needs to be cleaned, the bolt one 14 is detached, the top plate 12 is taken out upwards, and then the bolt two 21 is detached, so that the shaft rod 20 can be pulled downwards, and the scraping rod 17 can be detached, so as not to affect the cleaning of the filter plate 10, and the scraping rod 17 can also be cleaned.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A twin screw extruder production vacuum pump system characterized by: The utility model relates to a double screw extruder, including, The top of the base (1) is provided with a transmission seat (2) and a double screw extruder body (3), a double screw is arranged in the double screw extruder body (3), the double screw is connected with the transmission seat (2), a motor (4) is arranged on the transmission seat (2), and the motor (4) is connected with the double screw through the transmission seat (2), a feeding port (5) and a discharging port (6) are arranged on the double screw extruder body (3); A exhaust pipe (7) is communicated with the top right end of the double screw extruder body (3), a transmission pipe (8) is connected to the top rear side of the exhaust pipe (7), the transmission pipe (8) is communicated with a vacuum pump (9), and the vacuum pump (9) is arranged on the base (1); A filter plate (10) is connected to the inner wall of the exhaust pipe (7), vertical rods (11) are arranged on the top of both sides of the filter plate (10), a top plate (12) is connected to the top of the vertical rod (11), a sealing ring (13) is arranged at the bottom of the top plate (12), the sealing ring (13) is tightly connected to the top of the exhaust pipe (7), and bolts (14) connected with the exhaust pipe (7) are uniformly arranged on the top plate (12).

2. The vacuum pump system for a twin-screw extruder according to claim 1, characterized in that: A scraping assembly is connected to the bottom of the filter plate (10).

3. The vacuum pump system for a twin-screw extruder according to claim 2, characterized in that: The scraping assembly comprises a motor (15) arranged at the top of the top plate (12), an output shaft of the motor (15) is connected with a telescopic piece, the output shaft of the motor (15) is rotationally connected with a bearing (22) arranged on the top plate (12), and connecting rods (16) are arranged at the bottoms of both sides of the telescopic piece.

4. The vacuum pump system for a twin-screw extruder according to claim 3, characterized in that: The filter plate (10) has an annular structure, and an inner ring of the filter plate (10) is provided with a bearing (18) connected with the telescopic piece.

5. The vacuum pump system for a twin-screw extruder according to claim 4, characterized in that: The scraping rod (17) has an inverted L-shaped structure, the top of the scraping rod (17) is in contact with the filter plate (10), and the side wall of the scraping rod (17) is in contact with the inner wall of the exhaust pipe (7).

6. The vacuum pump system for a twin-screw extruder according to claim 5, characterized in that: The telescopic piece comprises a shaft sleeve (19) connected with the bottom of the output shaft of the motor (15), the shaft sleeve (19) is connected with the bearing (18), a shaft rod (20) connected with the connecting rod (16) is vertically and slidably connected in the shaft sleeve (19), and the shaft rod (20) and the shaft sleeve (19) are connected with bolts (21).

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