CN209869352U

CN209869352U - Double screw extruder is used in rubber preparation convenient to maintain

Info

Publication number: CN209869352U
Application number: CN201920137607.2U
Authority: CN
Inventors: 樊高凯
Original assignee: Langfang Haozheng Plastic Technology Co Ltd
Current assignee: Langfang Haozheng Plastic Technology Co Ltd
Priority date: 2019-01-26
Filing date: 2019-01-26
Publication date: 2019-12-31
Anticipated expiration: 2029-01-26

Abstract

The utility model relates to the technical field of auxiliary devices for rubber production, in particular to a double-screw extruder for rubber preparation, which is convenient to maintain; the inner cavity of the device is convenient to clean and maintain; moreover, the operation is more automatic, the working efficiency is improved, convenience is brought to a user, and the use reliability is improved; the automatic feeding device comprises a machine barrel, a feeding hopper, a forming die, two groups of driving motors, two groups of speed reducers and two groups of forming screws, wherein a working cavity is formed in the machine barrel, the two groups of speed reducers are respectively positioned at the output ends of the two groups of driving motors, and external threads on the two groups of forming screws are meshed with each other; the top end of the machine barrel is provided with an adjusting port, and the machine barrel further comprises a cover plate, an adjusting motor, a chain, two groups of connecting frames, a fan and two groups of rotating shafts, wherein the adjusting frame is arranged at the top end of the machine barrel, and the left side and the right side of the bottom end of the cover plate are respectively provided with two groups of connecting rods; the automatic feeding device is characterized by further comprising a support frame, two groups of front fixing frames, two groups of rear fixing frames, a stepping motor and a driving belt, wherein the driving belt is sleeved on the two groups of driving rollers.

Description

Double screw extruder is used in rubber preparation convenient to maintain

Technical Field

The utility model relates to a technical field of rubber production auxiliary device especially relates to a double screw extruder is used in rubber preparation convenient to maintain.

Background

As is well known, a twin screw extruder for rubber production is a device for forming a rubber raw material required for production into a specific shape and structure by using an engaging extrusion force generated by screw movement, and is widely used in the field of rubber production; the existing double-screw extruder for rubber preparation comprises a machine barrel, a feeding hopper, a forming die, two groups of driving motors, two groups of speed reducers and two groups of forming screws, wherein a working cavity is arranged in the machine barrel, a feeding hole and a discharging hole are respectively formed in the top end and the right side wall of the machine body, the feeding hole and the discharging hole are communicated with the working cavity, a conveying pipe is arranged at the top end of the machine barrel, the top end of the conveying pipe is communicated with the bottom end of the feeding hopper, a valve is arranged on the conveying pipe, an electric heating rod is arranged on the bottom wall of the machine barrel, the forming die is arranged at the right end of the machine body, through holes are formed in the forming die, the two groups of driving motors are respectively arranged at the front side and the rear side in the working cavity, the two groups of speed reducers are respectively arranged at the output ends of the, the external threads on the two groups of forming screws are mutually meshed; when the existing double-screw extruder for rubber preparation is used, a user puts raw materials for preparing rubber into a working cavity through a material conveying pipe by a feeding hopper, opens a driving motor to drive a transmission shaft and simultaneously drive a movable plate to rotate, and the movable plate can drive two groups of forming screws to rotate to complete rubber forming by utilizing the occlusion extrusion acting force of threads; however, the existing double-screw extruder for rubber preparation is found to be inconvenient for cleaning and maintaining the inner cavity of the device, so that the use limitation is high, the extrusion work is easily affected after long-time use, and the practicability is low; moreover, the operation is inconvenient, the extruded products of the extruder are inconvenient to collect and transport in batches, the working efficiency is low, inconvenience is brought to users, and the use reliability is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a device which can conveniently clean and maintain the inner cavity of the device, effectively reduce the use limitation, prevent the extrusion work from being influenced after long-time use and has higher practicability; moreover, the operation is relatively automatic, the extruded products of the extruder can be conveniently collected and transported in batches, the working efficiency of the extruder is improved, convenience is brought to users, and the use reliability of the extruder is improved.

The utility model relates to a double screw extruder for rubber preparation convenient for maintenance, which comprises a machine barrel, a feeding hopper, a forming die, two groups of driving motors, two groups of speed reducers and two groups of forming screws, wherein a working cavity is arranged in the machine barrel, the top end and the right side wall of the machine body are respectively provided with a feeding port and a discharging port, the feeding port and the discharging port are both communicated with the working cavity, the top end of the machine barrel is provided with a conveying pipe, the top end of the conveying pipe is communicated with the bottom end of the feeding hopper, the conveying pipe is provided with a valve, the bottom wall of the machine barrel is provided with an electric heating rod, the forming die is arranged at the right end of the machine body, the forming die is provided with a through hole, the two groups of driving motors are respectively arranged at the front side and the rear side in the working cavity, the two groups, two groups of forming screw rods are respectively arranged at the right ends of the two groups of movable plates, and external threads on the two groups of forming screw rods are meshed with each other; the top end of the machine barrel is provided with an adjusting opening which is communicated with the working cavity, the machine barrel further comprises a cover plate, an adjusting motor, a chain, two groups of connecting frames, a fan and two groups of rotating shafts, the top end of the machine barrel is provided with the adjusting frame, the adjusting frame is provided with an adjusting groove, the two groups of connecting frames are respectively arranged at the left side and the right side in the adjusting groove, a connecting shaft is arranged between the two groups of adjusting frames, the left side and the right side of the rear side wall of the cover plate are respectively provided with two groups of fixing rods, each group of fixing rods is provided with a driving rod, each group of driving rods is respectively fixed at the left side and the right side on the connecting shaft, the adjusting motor is arranged in the adjusting groove, the output end of the adjusting motor is provided with a driving shaft, the driving shaft and the connecting shaft are respectively provided, two groups of connecting rods are respectively arranged on the left side and the right side of the bottom end of the cover plate, two groups of rotating shafts are respectively arranged on the two groups of connecting rods, and the two groups of rotating shafts are respectively connected with the left side wall and the right side wall of the fan; still include support frame, two sets of preceding mounts, two sets of after-fixing framves, step motor and drive belt, the support frame top is provided with the spread groove, and front side and rear side in the mounting groove are installed respectively to two sets of preceding mounts and two sets of after-fixing framves, and step motor installs on a set of after-fixing frame, driving motor's output is provided with the drive shaft, is provided with the fixed axle between two sets of after-fixing framves, and be provided with respectively on drive shaft and the connecting axle and be provided with two sets of driving rollers, and the drive belt cover is established.

The utility model discloses a double screw extruder is used in rubber preparation convenient to maintain still includes base and four group's landing legs, and support frame and barrel are all installed on the top of base, and the left front side, right front side, left rear side and the right back side at the base bottom are installed respectively to four group's landing legs, four group's landing leg bottoms are provided with four group's gyro wheels respectively.

The utility model discloses a double screw extruder is used in rubber preparation convenient to maintain, the top of workstation is provided with the spread groove, is provided with on the lateral wall before the base and gets to put the mouth, and get to put the mouth and communicate with each other with the standing groove, still include baffle and arm-tie, the top of baffle articulates on getting to put the lateral wall of mouth, be provided with the arm-tie on the preceding lateral wall of baffle, the left end and the right-hand member of arm-tie respectively with the left side wall and the right side wall connection of arm-tie.

The utility model discloses a double screw extruder is used in rubber preparation convenient to maintain still includes two sets of slide rails and recovery board, and two sets of slide rails are installed respectively on the left side wall and the right side wall of standing groove, be provided with two sets of spouts on two sets of slide rails respectively, and at every group front side and rear side in the spout all are provided with two sets of bracing pieces, every group all be provided with the pulley on the bracing piece, the recovery board clamps in four groups on the pulley.

The utility model discloses a double screw extruder is used in rubber preparation convenient to maintain still includes the guide plate, and the top at the base is installed to the guide plate, and the rear end and the drive belt of guide plate contact.

The utility model discloses a double screw extruder is used in rubber preparation convenient to maintain still includes the cleaning board, and the bottom at the spread groove is installed to the cleaning board, and the top of cleaning board is provided with the multiunit brush hair.

The utility model discloses a double screw extruder is used in rubber preparation convenient to maintain still includes the push rod, and the front side and the rear side on base top are provided with two sets of supports respectively, the front end and the rear end of push rod respectively with two sets of leg joint.

The utility model discloses a double screw extruder is used in rubber preparation convenient to maintain still includes two sets of anchorages, and the front side and the rear side of base bottom are provided with two sets of installation poles respectively, and the bottom at two sets of installation poles is installed respectively to two sets of anchorages.

Compared with the prior art, the beneficial effects of the utility model are that: the adjusting motor drives the driving shaft to rotate, the first chain wheel can be driven to rotate to drive the second chain wheel to rotate through the chain, so that the connecting shaft is driven to rotate and the driving rod is driven to move at the same time, the cover plate can be moved, a user can adjust the working condition in the working cavity through the adjusting port conveniently, the inner cavity of the device can be cleaned and maintained conveniently, the use limitation of the device is effectively reduced, the extrusion work is prevented from being influenced after the device is used for a long time, and the practicability is high; and, driving motor drives the rotatory a set of driving roller that can drive of drive axle and rotates, and the driving roller rotates and to drive the drive belt and carry out relative rotation and make the fly leaf remove to the rubber product that drives after the extrusion shaping removes, the operation is comparatively automatic, conveniently collects and transports in batches the extrusion product of extruder, improves its work efficiency, offers convenience for the user, thereby improves its use reliability.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the support frame;

FIG. 3 is a schematic view of the structure of the adjusting bracket;

FIG. 4 is a schematic front view of the base;

FIG. 5 is an enlarged schematic view of portion A;

fig. 6 is a schematic view of the structure of the cover plate and the fan.

In the drawings, the reference numbers: 1. a barrel; 2. a feeding hopper; 3. forming a mold; 4. a drive motor; 5. a speed reducer; 6. molding a screw rod; 7. a valve; 8. an electrical heating rod; 9. a cover plate; 10. adjusting the motor; 11. a chain; 12. a connecting frame; 13. a fan; 14. an adjusting bracket; 15. driving the rod; 16. a connecting rod; 17. a connecting shaft; 18. a front fixing frame; 19. a rear fixing frame; 20. a stepping motor; 21. a transmission belt; 22. a driving roller; 23. a support frame; 24. a base; 25. a support leg; 26. a roller; 27. a baffle plate; 28. pulling a plate; 29. a slide rail; 30. recovering the plate; 31. a pulley; 32. a baffle; 33. brushing; 34. a push rod; 35. fixing an anchor; 36. and (5) installing a rod.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in figures 1 to 6, the utility model discloses a double screw extruder for rubber preparation convenient to maintain, which comprises a machine barrel 1, a feeding hopper 2, a forming die 3, two sets of driving motors 4, two sets of speed reducers 5 and two sets of forming screws 6, wherein a working chamber is arranged in the machine barrel 1, a feed inlet and a discharge outlet are respectively arranged on the top end and the right side wall of the machine body, the feed inlet and the discharge outlet are communicated with the working chamber, a feed delivery pipe is arranged on the top end of the machine barrel 1, the top end of the feed delivery pipe is communicated with the bottom end of the feeding hopper 2, a valve 7 is arranged on the feed delivery pipe, an electric heating rod 8 is arranged on the bottom wall of the machine barrel 1, the forming die 3 is arranged at the right end of the machine body, a through hole is arranged on the forming die 3, two sets of driving motors 4 are respectively arranged at the front side and the rear side in the, movable plates are arranged on each group of transmission shafts, two groups of forming screws 6 are respectively arranged at the right ends of the two groups of movable plates, and external threads on the two groups of forming screws 6 are meshed with each other; the top end of the machine barrel 1 is provided with an adjusting opening which is communicated with the working cavity, the machine barrel further comprises a cover plate 9, an adjusting motor 10, a chain 11, two groups of connecting frames 12, a fan 13 and two groups of rotating shafts, the top end of the machine barrel 1 is provided with an adjusting frame 14, the adjusting frame 14 is provided with an adjusting groove, the two groups of connecting frames 12 are respectively arranged on the left side and the right side of the adjusting groove, a connecting shaft 17 is arranged between the two groups of adjusting frames 14, the left side and the right side of the rear side wall of the cover plate 9 are respectively provided with two groups of fixing rods, each group of fixing rods is provided with a driving rod 15, each group of driving rods 15 is respectively fixed on the left side and the right side of the connecting shaft 17, the adjusting motor 10 is arranged in the adjusting groove, the output end of the adjusting motor 10 is provided with a driving shaft, the driving shaft, two groups of connecting rods 16 are respectively arranged on the left side and the right side of the bottom end of the cover plate 9, two groups of rotating shafts are respectively arranged on the two groups of connecting rods 16, and the two groups of rotating shafts are respectively connected with the left side wall and the right side wall of the fan 13; the device comprises a support frame 23, two groups of front fixing frames 18, two groups of rear fixing frames 19, a stepping motor 20 and a transmission belt 21, wherein a connecting groove is formed in the top end of the support frame 23, the two groups of front fixing frames 18 and the two groups of rear fixing frames 19 are respectively installed on the front side and the rear side in the mounting groove, the stepping motor 20 is installed on the group of rear fixing frames 19, a transmission shaft is arranged at the output end of the stepping motor 20, a fixed shaft is arranged between the two groups of rear fixing frames, the transmission shaft and the connecting shaft 17 are respectively provided with two groups of transmission rollers 22, and the transmission belt; the adjusting motor drives the driving shaft to rotate, the first chain wheel can be driven to rotate to drive the second chain wheel to rotate through the chain, so that the connecting shaft is driven to rotate and the driving rod is driven to move at the same time, the cover plate can be moved, a user can adjust the working condition in the working cavity through the adjusting port conveniently, the inner cavity of the device can be cleaned and maintained conveniently, the use limitation of the device is effectively reduced, the extrusion work is prevented from being influenced after the device is used for a long time, and the practicability is high; and, step motor drives the rotatory a set of driving roller that can drive of drive axle and rotates, and the driving roller rotates and to drive the drive belt and carry out relative rotation and make the fly leaf remove to the rubber product that drives after the extrusion shaping removes, the operation is comparatively automatic, conveniently collects and transports in batches the extrusion product of extruder, improves its work efficiency, offers convenience for the user, thereby improves its use reliability.

The utility model discloses a convenient to maintain's rubber preparation uses double screw extruder, still include base 24 and four group's landing legs 25, and support frame and barrel 1 are all installed at the top of base 24, and four group's landing legs 25 are installed respectively in the left front side, right front side, left rear side and right rear side of base 24 bottom, and four group's landing legs 25 bottoms are provided with four group's gyro wheels 26 respectively; the base can move to drive the four groups of supporting legs to move and simultaneously drive the four groups of rollers to roll, thereby facilitating the position adjustment of the device.

The utility model discloses a convenient to maintain's double screw extruder for rubber preparation, the top of workstation is provided with the spread groove, is provided with on the preceding lateral wall of base 24 and gets and put the mouth to get and put the mouth and communicate with each other with the standing groove, still includes baffle 27 and arm-tie 28, and the top of baffle 27 articulates on getting and putting the mouth's lateral wall, is provided with the arm-tie on the preceding lateral wall of baffle 27, and the left end and the right-hand member of arm-tie 28 are connected with the left lateral wall and the right lateral wall of arm-tie respectively; the rubber finished product that conveniently utilizes the standing groove to transport the drive belt is collected, and the user stimulates the arm-tie and drives the baffle and remove, and the person of facilitating the use takes out the rubber products product of retrieving in the accumulator by getting the mouth.

The utility model discloses a convenient to maintain's rubber preparation uses double screw extruder, still includes two sets of slide rails 29 and recovery board 30, and two sets of slide rails 29 are installed respectively on the left side wall and the right side wall of standing groove, are provided with two sets of spouts on two sets of slide rails 29 respectively, and all are provided with two sets of bracing pieces in front side and rear side in each group of spouts, all are provided with pulley 31 on each group of bracing piece, and recovery board 30 clamps on four groups of pulley 31; the recovery plate slides on two sets of slide rails to the outside of standing groove, and the person of facilitating the use takes out the rubber products of collecting in the standing groove.

The utility model discloses a convenient-to-maintain double-screw extruder for rubber preparation, which also comprises a guide plate 32, wherein the guide plate 32 is arranged at the top end of the base 24, and the rear end of the guide plate 32 is contacted with a transmission belt; a baffle.

The double-screw extruder for rubber preparation, which is convenient to maintain, of the utility model also comprises a cleaning plate, wherein the cleaning plate is arranged at the bottom end of the connecting groove, and the top end of the cleaning plate is provided with a plurality of groups of brush hairs 33; the drive belt can be cleaned by wiping the surface with a plurality of groups of bristles during relative rotation of the drive belt.

The utility model discloses a convenient-to-maintain double-screw extruder for rubber preparation, which also comprises a push rod 34, wherein the front side and the rear side of the top end of a base 24 are respectively provided with two groups of brackets, and the front end and the rear end of the push rod 34 are respectively connected with the two groups of brackets; the push rod can drive the two groups of brackets to move and simultaneously drive the base to move so as to facilitate the moving direction of the adjusting device.

The utility model discloses a convenient to maintain's rubber preparation uses double screw extruder, still includes two sets of fixing anchor 35, and the front side and the rear side of base 24 bottom are provided with two sets of installation poles 36 respectively, and two sets of fixing anchor 35 are installed respectively in the bottom of two sets of installation poles 36; the user rotates the two sets of mounting bars to the proper position to contact the ground to prevent the device from sliding during operation.

The utility model discloses a double screw extruder for rubber preparation convenient to maintain, when it works, the user pushes the push rod at first and can drive two sets of supports to move and drive the base, the base moves and can drive four sets of supporting legs to move and drive four sets of rollers to roll, thereby moving the device integrally to the position required by the user, the user rotates on two sets of mounting rods to the proper position to contact with the ground of the support, so as to prevent the device from sliding in the working process, the user puts the raw material for manufacturing rubber into the working cavity through the feeding hopper, the driving motor is opened to drive the transmission shaft to drive the movable plate to rotate simultaneously, the movable plate can drive two sets of forming screw rods to rotate and utilize the occlusion extrusion acting force of the screw thread to complete the rubber forming, the stepping motor drives the driving shaft to rotate and can drive one set of driving roller to rotate, the driving roller rotates and can drive the driving belt to relatively rotate and, thereby it removes to drive the rubber product after the extrusion, rubber product after the extrusion enters into to the standing groove in the water conservancy diversion effect of guide plate, sliding recovery board to the outside of standing groove on two sets of slide rails, the person of facilitating the use takes out the rubber products product of retrieving in the standing groove by getting the mouth of putting, the user can open adjusting motor after long-time use, adjusting motor drives the drive axle rotatory, can drive first sprocket rotation and drive the second sprocket through the chain and rotate, drive the drive pole removal simultaneously in order to drive the connecting axle rotation, can make the apron remove the person of facilitating the use and see through the behavior of adjusting the mouth regulation work intracavity, rotatory fan to suitable angle on two sets of connecting rods, fan output wind-force can improve the gas flow speed in the work intracavity, the convenience is maintained cleanly to the work intracavity.

The double-screw extruder for rubber preparation, which is convenient to maintain, has the advantages that under the condition that the opposite explanation is not carried out, the directional terms "up, down, left, right, front, back, inside, and outside, and vertical and horizontal" included in the term merely represent the orientation of the term in the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the terms "first," "second," and the like, do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A double-screw extruder for preparing rubber convenient to maintain comprises a machine barrel (1), a feeding hopper (2), a forming die (3), two groups of driving motors (4), two groups of speed reducers (5) and two groups of forming screws (6), wherein a working cavity is arranged in the machine barrel (1), a feeding port and a discharging port are respectively arranged on the top end and the right side wall of the machine body, the feeding port and the discharging port are communicated with the working cavity, a conveying pipe is arranged on the top end of the machine barrel (1), the top end of the conveying pipe is communicated with the bottom end of the feeding hopper (2), a valve (7) is arranged on the conveying pipe, an electric heating rod (8) is arranged on the bottom wall of the machine barrel (1), the forming die (3) is arranged at the right end of the machine body, a through hole is arranged on the forming die (3), the two groups of driving motors (4) are respectively arranged at the front side and the rear side in the, the output ends of the two groups of speed reducers (5) are respectively provided with two groups of transmission shafts, each group of transmission shafts is provided with a movable plate, the two groups of forming screws (6) are respectively arranged at the right ends of the two groups of movable plates, and external threads on the two groups of forming screws (6) are meshed with each other; the device is characterized in that an adjusting opening is formed in the top end of the machine barrel (1), the adjusting opening is communicated with the working cavity, the device also comprises a cover plate (9), an adjusting motor (10), a chain (11), two groups of connecting frames (12), a fan (13) and two groups of rotating shafts, the adjusting frame (14) is arranged at the top end of the machine barrel (1), an adjusting groove is formed in the adjusting frame (14), the two groups of connecting frames (12) are respectively installed on the left side and the right side in the adjusting groove, a connecting shaft (17) is arranged between the two groups of adjusting frames (14), two groups of fixing rods are respectively arranged on the left side and the right side of the rear side wall of the cover plate (9), a driving rod (15) is respectively arranged on each group of fixing rods, each group of driving rods (15) is respectively fixed on the left side and the right side of the connecting shaft (17), the adjusting motor (10) is installed in the, a first chain wheel and a second chain wheel are respectively arranged on the driving shaft and the connecting shaft (17), the chain (11) is sleeved on the first chain wheel and the second chain wheel, the left side and the right side of the bottom end of the cover plate (9) are respectively provided with two groups of connecting rods (16), the two groups of rotating shafts are respectively arranged on the two groups of connecting rods (16), and the two groups of rotating shafts are respectively connected with the left side wall and the right side wall of the fan (13); still include support frame (23), two sets of preceding mounts (18), two sets of after-fixing frame (19), step motor (20) and drive belt (21), support frame (23) top is provided with the spread groove, and front side and rear side in the mounting groove are installed respectively to two sets of preceding mounts (18) and two sets of after-fixing frame (19), and step motor (20) are installed on a set of after-fixing frame (19), the output of step motor (20) is provided with the drive axle, is provided with the fixed axle between two sets of after-fixing frames, and be provided with respectively on drive axle and connecting axle (17) and be provided with two sets of driving rollers (22), drive belt (21) cover is established on two sets of driving rollers.

2. The twin-screw extruder for rubber preparation convenient for maintenance as claimed in claim 1, further comprising a base (24) and four sets of legs (25), wherein the support frame and the barrel (1) are mounted on the top end of the base (24), the four sets of legs (25) are respectively mounted on the left front side, the right front side, the left rear side and the right rear side of the bottom end of the base (24), and the four sets of legs (25) are respectively provided with four sets of rollers (26) at the bottom ends thereof.

3. The twin-screw extruder for rubber preparation convenient for maintenance of claim 2, characterized in that the top end of the working table is provided with a connecting groove, the front side wall of the base (24) is provided with a taking and placing opening, and the taking and placing opening is communicated with the placing groove, the twin-screw extruder further comprises a baffle plate (27) and a pulling plate (28), the top end of the baffle plate (27) is hinged on the side wall of the taking and placing opening, the front side wall of the baffle plate (27) is provided with a pulling groove, and the left end and the right end of the pulling plate (28) are respectively connected with the left side wall and the right side wall of the pulling groove.

4. The twin-screw extruder for rubber preparation convenient for maintenance according to claim 3, further comprising two sets of slide rails (29) and a recovery plate (30), wherein the two sets of slide rails (29) are respectively mounted on the left side wall and the right side wall of the placement groove, the two sets of slide rails (29) are respectively provided with two sets of sliding grooves, the front side and the rear side in each set of sliding grooves are respectively provided with two sets of support rods, each set of support rods is provided with a pulley (31), and the recovery plate (30) is clamped on the four sets of pulleys (31).

5. The twin screw extruder for rubber preparation convenient for maintenance as claimed in claim 4, further comprising a deflector (32), wherein the deflector (32) is installed on the top end of the base (24), and the rear end of the deflector (32) is in contact with the belt.

6. The twin screw extruder for rubber preparation convenient for maintenance as claimed in claim 5, further comprising a cleaning plate installed at the bottom end of the coupling groove and provided with a plurality of sets of bristles (33) at the top end thereof.

7. The twin-screw extruder for rubber preparation convenient for maintenance as claimed in claim 6, further comprising a push rod (34), wherein two sets of brackets are respectively provided on the front side and the rear side of the top end of the base, and the front end and the rear end of the push rod (34) are respectively connected with the two sets of brackets.

8. The twin-screw extruder for rubber preparation convenient for maintenance as claimed in claim 7, further comprising two sets of fixing anchors (35), wherein two sets of mounting rods (36) are respectively provided at the front side and the rear side of the bottom end of the base (24), and two sets of fixing anchors (35) are respectively mounted at the bottom ends of two sets of mounting rods (36).