CN216068590U - Double screw extruder convenient to clearance - Google Patents

Abstract

The utility model discloses a double-screw extruder convenient to clean, which comprises a rack, a speed reducing motor, an outer cover, a feeding hopper and a discharging hopper, wherein the speed reducing motor is installed at the upper end of the rack, a first transmission shaft is installed on an output shaft of the speed reducing motor, a first gear is installed on the first transmission shaft, a second gear is meshed behind the first gear, the second gear is installed on a second transmission shaft, the outer cover is installed on the outer sides of the second gear and the first gear, and connecting pieces are installed at the other ends of the second transmission shaft and the first transmission shaft. The conveying screw rod is simple in structure, the conveying screw rod inside the conveying screw rod is convenient to disassemble and assemble, the conveying screw rod is disassembled during cleaning, the inner space is enlarged, the labor intensity is reduced, the working efficiency is improved, and the conveying screw rod has high popularization and use values.

Description

Double screw extruder convenient to clearance

Technical Field

The utility model relates to the technical field of double-screw extruders, in particular to a double-screw extruder convenient to clean.

Background

The screw extruder is divided into a cold feed screw extruder and a hot feed screw extruder, and is used for extruding rubber semi-products and products, the cold feed screw extruder can feed rubber materials without thermal refining, the rubber materials are heated and plasticized through the actions of screw extrusion, shearing, stirring and the like, the rubber materials are continuously extruded from a mouth shape, the cold feed screw extruder mainly comprises a screw, a machine barrel, a machine head, a feeding mechanism, a transmission device, a temperature control system and the like, the length-diameter ratio of the screw of the cold feed extruder is generally 8-18, the extruded products have good quality, the thermal refining machine is not needed, the hot feed screw extruder needs to feed the rubber materials subjected to thermal refining, the rubber materials are further plasticized through the actions of screw extrusion, shearing, stirring and the like, the hot feed extruder is continuously extruded from an n shape and mainly comprises the screw, the machine barrel, the machine head, the feeding mechanism, the transmission device and the like, the length-diameter ratio of the screw of the hot feed extruder is generally 4-6, the quality of the extruded product can meet the process requirements, and a heat mixer is required.

The double-screw extruder is developed on the basis of a single-screw extruder, and has the characteristics of good feeding performance, mixing plasticizing performance, exhaust performance, extrusion stability and the like, so that the double-screw extruder is widely applied to the molding processing of extruded products at present, the double-screw extruder comprises a transmission device, a feeding device, a charging barrel, a screw and the like, the functions of all the components are similar to those of the single-screw extruder, but the screw of the double-screw extruder in the market at present is inconvenient to disassemble and assemble, and the problem that the cleaning rate is lowered due to the shielding of the screw when a user cleans the double-screw extruder is caused.

SUMMERY OF THE UTILITY MODEL

The present invention has been made to solve the above problems, and an object of the present invention is to provide a twin-screw extruder which is easy to clean.

The utility model realizes the purpose through the following technical scheme:

a double-screw extruder convenient to clean comprises a rack, a speed reduction motor, an outer cover, a feeding hopper and a discharging hopper, wherein the speed reduction motor is installed at the upper end of the rack, a first transmission shaft is installed on an output shaft of the speed reduction motor, a first gear is installed on the first transmission shaft, a second gear is meshed at the rear part of the first gear, the second gear is installed on a second transmission shaft, the outer cover is installed at the outer side of the second gear, connecting pieces are installed at the other end of the second transmission shaft and the other end of the first transmission shaft, conveying screws are installed on the two connecting pieces, two conveying screws extend into the outer side of one end of each connecting piece, two guide rods are symmetrically installed on the outer side of each guide rod, guide grooves are formed in the connecting pieces, and locking rings are installed on the circumference of the outer sides of the connecting pieces, the feeding device comprises a feeding screw, a feeding hopper, a discharging hopper, a feeding hopper and a discharging hopper, wherein the feeding hopper is arranged at the outer side of the feeding screw, and the feeding hopper is arranged at the upper end of the outer side of the feeding screw.

Preferably: the speed reducing motor is fixedly connected with the rack through bolts, and the first transmission shaft is connected with the speed reducing motor through a coupler.

According to the arrangement, the bolt is used for fastening and connecting the first transmission shaft and the second transmission shaft firmly, and the speed reducing motor is used for accurately transmitting power to the first transmission shaft through the coupling connection.

Preferably: the first transmission shaft is in key connection with the first gear, and the second transmission shaft is in key connection with the second gear.

So set up, the key-type connection is convenient for connect fixedly.

Preferably: the outer cover is connected with the second transmission shaft and the first transmission shaft through bearings.

So set up, the dustcoat is used for playing the effect of protection.

Preferably: the connecting piece is connected with the second transmission shaft and the first transmission shaft in a key-sharing mode.

So set up, the connecting piece is used for connecting second transmission shaft, first transmission shaft with defeated material screw rod.

Preferably: the locking ring is connected with the connecting piece in a fastening mode through screws.

So set up, the lock ring is used for fixed two defeated material screw rod.

Preferably: the discharging hopper is fixedly connected with the shell through bolts, and the feeding hopper is fixedly connected with the shell through screws.

So set up, go out the hopper and be used for deriving the material after the shaping, feed hopper is used for leading-in this extruder of raw materials.

Compared with the prior art, the utility model has the following beneficial effects:

put into feed hopper with the raw materials in, start gear motor, gear motor operates and drives first transmission shaft, because first gear key connects in first transmission shaft, and then make first gear revolve, and with second gear intermeshing, make the second transmission shaft rotate, finally make two defeated material screw rod operations, inside raw materials melts and conveys on one side like this, extrude at the hopper department at last, when needs clear up inside, take off the screw of fixed lock ring, make the guide arm along the guide slot roll-off, can be convenient lift the defeated material screw rod off, conveniently clear up inside, the device simple structure, inside defeated material screw rod easy dismounting, tear it down during the clearance, increase the inner space, reduce intensity of labour, and improve work efficiency, and has stronger popularization and use value.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a front view of a twin screw extruder of the present invention that is easy to clean;

FIG. 2 is an enlarged partial view at A of FIG. 1;

FIG. 3 is a schematic view of a twin screw extruder of the present invention for ease of cleaning;

FIG. 4 is a top view of a twin screw extruder of the present invention for ease of cleaning;

fig. 5 is a partial enlarged view at B of fig. 4.

The reference numerals are explained below:

1. a frame; 2. a reduction motor; 3. a housing; 4. a feed hopper; 5. a discharge hopper; 6. a housing; 7. a material conveying screw rod; 8. a connecting member; 9. a locking ring; 10. a guide groove; 11. a first drive shaft; 12. a first gear; 13. a second drive shaft; 14. a second gear.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The utility model will be further described with reference to the accompanying drawings in which:

as shown in fig. 1-5, a double-screw extruder convenient for cleaning comprises a frame 1, a speed reduction motor 2, an outer cover 3, a feeding hopper 4 and a discharging hopper 5, wherein the speed reduction motor 2 is installed at the upper end of the frame 1, a first transmission shaft 11 is installed on an output shaft of the speed reduction motor 2, a first gear 12 is installed on the first transmission shaft 11, a second gear 14 is meshed at the rear part of the first gear 12, the second gear 14 is installed on a second transmission shaft 13, the outer cover 3 is installed at the outer side of the second gear 14 and the first gear 12, connecting pieces 8 are installed at the other ends of the second transmission shaft 13 and the first transmission shaft 11, material conveying screws 7 are installed on the two connecting pieces 8, two guide rods are symmetrically installed at the outer side of one end of each material conveying screw 7 extending into the connecting piece 8, guide grooves 10 are formed at the outer sides of the guide rods and on the connecting pieces 8, a ring 9 is installed on the circumference of the outer side of the connecting pieces 8, the shell 6 is installed in the outside of two defeated material screw rods 7, and hopper 5 is installed to the one end of shell 6, and feed hopper 4 is installed to the outside upper end of shell 6.

Preferably: the speed reducing motor 2 is fixedly connected with the rack 1 through bolts, the first transmission shaft 11 is connected with the speed reducing motor 2 through a coupler, the first transmission shaft and the speed reducing motor are firmly connected through the bolt, and the speed reducing motor 2 can accurately transmit power to the first transmission shaft 11 through the coupler connection; the first transmission shaft 11 is in key connection with the first gear 12, and the second transmission shaft 13 is in key connection with the second gear 14, so that the key connection is convenient for connection and fixation; the outer cover 3 is connected with the second transmission shaft 13 and the first transmission shaft 11 through bearings, and the outer cover 3 plays a role in protection; the connecting piece 8 is in key connection with the second transmission shaft 13 and the first transmission shaft 11, and the connecting piece 8 is used for connecting the second transmission shaft 13, the first transmission shaft 11 and the material conveying screw 7; the locking ring 9 is tightly connected with the connecting piece 8 through screws, and the locking ring 9 is used for fixing the two material conveying screw rods 7; go out hopper 5 and 6 through bolt-up connection with the casing, feed hopper 4 passes through screw-up connection with casing 6, goes out hopper 5 and is used for deriving the material after the shaping, and feed hopper 4 is used for leading-in this extruder of raw materials.

The working principle and the using method of the utility model are as follows: when using, put into feed hopper 4 with the raw materials in, start gear motor 2, gear motor 2 operates and drives first transmission shaft 11, because first gear 12 key joint is in first transmission shaft 11, and then make first gear 12 rotate, and with second gear 14 intermeshing, make second transmission shaft 13 rotate, finally make two defeated material screw rods 7 operations, inside raw materials melts like this and conveys on one side, extrude in hopper 5 department at last, when needs clear up inside, take off the screw of fixed lock ring 9, make the guide arm along guide slot 10 roll-off, can be convenient will fail material screw rod 7 and lift off, conveniently clear up inside.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims (7)

1. The utility model provides a double screw extruder convenient to clearance which characterized in that: comprises a rack (1), a speed reducing motor (2), an outer cover (3), a feeding hopper (4) and a discharging hopper (5), wherein the speed reducing motor (2) is installed at the upper end of the rack (1), a first transmission shaft (11) is installed on an output shaft of the speed reducing motor (2), a first gear (12) is installed on the first transmission shaft (11), a second gear (14) is meshed at the rear part of the first gear (12), the second gear (14) is installed on a second transmission shaft (13), the outer cover (3) is installed on the outer side of the second gear (14) and the first gear (12), a connecting piece (8) is installed at the other end of the second transmission shaft (13) and the other end of the first transmission shaft (11), a material conveying screw rod (7) is installed on the connecting piece (8), and two guide rods are symmetrically installed on the outer side of one end of the material conveying screw rod (7) extending into the connecting piece (8), the outside of guide arm just the shaping has guide slot (10) on connecting piece (8), install lock ring (9), two on the outside circumference of connecting piece (8) casing (6) are installed in the outside of defeated material screw rod (7), hopper (5) are installed out to the one end of casing (6), feed hopper (4) are installed to the outside upper end of casing (6).

2. The twin screw extruder of claim 1, wherein: the speed reducing motor (2) is connected with the rack (1) in a fastening mode through bolts, and the first transmission shaft (11) is connected with the speed reducing motor (2) through a coupler.

3. The twin screw extruder of claim 1, wherein: the first transmission shaft (11) is in key connection with the first gear (12), and the second transmission shaft (13) is in key connection with the second gear (14).

4. The twin screw extruder of claim 1, wherein: the outer cover (3) is connected with the second transmission shaft (13) and the first transmission shaft (11) through bearings.

5. The twin screw extruder of claim 1, wherein: the connecting piece (8) is connected with the second transmission shaft (13) and the first transmission shaft (11) in a key-connecting mode.

6. The twin screw extruder of claim 1, wherein: the locking ring (9) is fixedly connected with the connecting piece (8) through screws.

7. The twin screw extruder of claim 1, wherein: the discharging hopper (5) is fixedly connected with the shell (6) through bolts, and the feeding hopper (4) is fixedly connected with the shell (6) through screws.

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