CN214294393U

CN214294393U - Cooling device of double-screw extruder

Info

Publication number: CN214294393U
Application number: CN202120189613.XU
Authority: CN
Inventors: 张德元
Original assignee: Qingdao Xinzhengyuan New Material Co ltd
Current assignee: Qingdao Xinzhengyuan New Material Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-09-28
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses a cooling device of double screw extruder, including the extruder body, the lower extreme of extruder body is equipped with the support, the exit end of extruder body is equipped with the extrusion material, the right side of extruder body is equipped with the water tank, be equipped with two openings on the water tank, two all be equipped with ring type seal in the opening, the extrusion material runs through two openings, be equipped with the transmission case between extruder body and the water tank, be equipped with the cooling mechanism that is used for realizing the extrusion material cooling between extruder body and the water tank, be equipped with the reciprocating mechanism who is used for removing cooling mechanism in the transmission case, the lower extreme of water tank is equipped with the gas storage chamber, be equipped with the pump gas mechanism who is used for providing the required air conditioning of cooling mechanism in the gas storage chamber. The utility model discloses it is rational in infrastructure, it can carry out the forced air cooling to the extruded material before the extruded material enters into the water tank to avoid the extruded material to take place the phenomenon of ftractureing because of quick cooling.

Description

Cooling device of double-screw extruder

Technical Field

The utility model relates to a double screw extruder technical field especially relates to a double screw extruder's cooling device.

Background

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

When the existing double-screw extruder extrudes a finished product, the temperature of the finished product is generally higher, so the finished product needs to be cooled, the existing cooling mode is mainly to directly put the finished product into water for cooling, the rapid cooling mode enables the finished product to be rapidly shrunk, the extruded material is easy to crack, and the problem needs to be solved by a cooling device of the double-screw extruder.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the cooling device of a twin-screw extruder who proposes, it can carry out forced air cooling to the extruded material before the extruded material enters into the water tank to avoid the extruded material to take place the phenomenon of ftractureing because of rapid cooling.

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

the utility model provides a cooling device of double screw extruder, includes the extruder body, the lower extreme of extruder body is equipped with the support, the exit end of extruder body is equipped with the extrusion material, the right side of extruder body is equipped with the water tank, be equipped with two openings on the water tank, two all be equipped with ring packing in the opening, the extrusion material runs through two openings, be equipped with the transmission case between extruder body and the water tank, be equipped with the cooling mechanism who is used for realizing the extrusion material cooling between extruder body and the water tank, be equipped with the reciprocating mechanism who is used for removing cooling mechanism in the transmission case, the lower extreme of water tank is equipped with the gas storage chamber, be equipped with the pump gas mechanism who is used for providing the required air conditioning of cooling mechanism in the gas storage chamber.

Preferably, the reciprocating mechanism comprises a reciprocating lead screw which is rotatably connected in the transmission case, and a lead screw sleeve which is slidably connected with the bottom in the transmission case is arranged on the reciprocating lead screw.

Preferably, the air pumping mechanism comprises a piston hermetically and slidably connected in the air storage cavity, a push rod is fixedly connected to the lead screw sleeve, and the right end of the push rod is fixedly connected with the piston.

Preferably, cooling mechanism includes the mounting panel of fixed connection on the lead screw cover, be equipped with the direction mouth on the mounting panel, the extrusion material runs through the direction mouth, be equipped with the installation cavity in the mounting panel, be equipped with a plurality of gas outlets that run through the direction mouth on the lateral wall of installation cavity.

Preferably, the right end in gas storage chamber is equipped with the intake pipe that runs through the water tank, be equipped with the check valve of admitting air in the intake pipe, the right end in gas storage chamber is equipped with the outlet duct, be equipped with the check valve of giving vent to anger in the outlet duct, the outlet duct upper end extends to in the water tank, the end and the sealed intercommunication of installation cavity of outlet duct.

Preferably, water collecting hoppers are arranged at two ends of the water tank, and water guide pipes are arranged at the lower ends of the two water collecting hoppers.

Compared with the prior art, the utility model, its beneficial effect does:

1. through setting up reciprocating mechanism and pump gas mechanism, realize that the motor rotates and drives reciprocal lead screw and rotate to make reciprocating motion about the lead screw cover, drive reciprocating motion about the mounting panel, make the effect of blowing better.

2. Through setting up cooling mechanism, realize when the piston motion, the piston takes out external gas from the intake pipe and takes into the gas storage intracavity, then advances the installation intracavity with the gas pump through the outlet duct, spouts the extrusion material through a plurality of gas outlets on, the realization is to the cooling of extrusion material, this kind of layered cooling avoids the extrusion material to take place the fracture phenomenon because of quick cooling.

Drawings

Fig. 1 is a schematic front view of a cooling device of a twin-screw extruder according to the present invention;

FIG. 2 is a schematic front view of an installation cavity of a cooling device of a twin-screw extruder according to the present invention;

fig. 3 is a schematic side view of the water tank 4 of the cooling device of the twin-screw extruder provided by the present invention.

In the figure: 1 extruder body, 2 supports, 3 extrusion materials, 4 water tanks, 5 openings, 6 transmission cases, 7 gas storage cavities, 8 reciprocating lead screws, 9 lead screw sleeves, 10 pistons, 11 push rods, 12 mounting plates, 13 mounting cavities, 14 gas outlets, 15 gas inlet pipes, 16 gas outlet pipes, 17 water collecting hoppers and 18 motors.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1-3, a cooling device of a double-screw extruder comprises an extruder body 1, a bracket 2 is arranged at the lower end of the extruder body 1, an extrusion material 3 is arranged at the outlet end of the extruder body 1, a water tank 4 is arranged at the right side of the extruder body 1, water collecting hoppers 17 are arranged at two ends of the water tank 4, water guide pipes are arranged at the lower ends of the two water collecting hoppers 17, two openings 5 are arranged on the water tank 4, annular seal rings are arranged in the two openings 5, the extrusion material 3 penetrates through the two openings 5, a transmission case 6 is arranged between the extruder body 1 and the water tank 4, a cooling mechanism for cooling the extrusion material 3 is arranged between the extruder body 1 and the water tank 4, the cooling mechanism comprises a mounting plate 12 fixedly connected to a screw sleeve 9, a guide port is arranged on the mounting plate 12, the extrusion material 3 penetrates through the guide port, a mounting cavity 13 is arranged in the mounting plate 12, a plurality of air outlets 14 penetrating through the guide port are arranged on the side wall of the mounting cavity 13, the right-hand member in gas storage chamber 7 is equipped with intake pipe 15 that runs through water tank 4, be equipped with the check valve of admitting air in the intake pipe 15, the right-hand member in gas storage chamber 7 is equipped with outlet duct 16, be equipped with the check valve of giving vent to anger in the outlet duct 16, the outlet duct 16 upper end extends to in the water tank 4, the end and the installation cavity 13 of outlet duct 16 seal the intercommunication, through setting up gas outlet 14, installation cavity 13, mounting panel 12 etc., realize when piston 10 moves, piston 10 takes out external gas from intake pipe 15 in the gas storage chamber 7, then advance in installation cavity 13 with the gas pump through outlet duct 16, spout on extrusion material 3 through a plurality of gas outlets 14, realize the cooling to extrusion material 3, this kind of layered cooling, avoid extrusion material 3 to take place the fracture phenomenon because of quick cooling.

Be equipped with the reciprocating mechanism who is used for removing cooling mechanism in transmission case 6, reciprocating mechanism is including rotating the reciprocal lead screw 8 of connection in transmission case 6, be equipped with on the reciprocal lead screw 8 with transmission case 6 bottom sliding connection's lead screw cover 9, the lower extreme of water tank 4 is equipped with gas storage chamber 7, be equipped with the pump gas mechanism that is used for providing cooling mechanism needs air conditioning in the gas storage chamber 7, pump gas mechanism is including sealed sliding connection piston 10 in gas storage chamber 7, fixedly connected with push rod 11 on the lead screw cover 9, the right-hand member and the piston 10 fixed connection of push rod 11, through setting up reciprocal lead screw 8, lead screw cover 9, motor 18 etc., it rotates to realize motor 18 and drives reciprocal lead screw 8, thereby make reciprocating motion about the lead screw cover 9, drive mounting panel 12 reciprocating motion about, make the effect of blowing better.

When the utility model is used, firstly, the added material is processed into the extrusion material 3 by the extruder body 1, then the end of the extrusion material 3 passes through the guide port and the two openings 5, the motor 18 is opened, the reciprocating screw 8 rotates by the rotation of the motor 18, so that the screw sleeve 9 reciprocates left and right to drive the push rod 11 to reciprocate left and right, the piston 10 reciprocates left and right, the gas outside is pumped into the gas storage cavity 7 from the gas inlet pipe 15 by the reciprocating motion of the piston 10, then the gas is pumped into the installation cavity 13 through the gas outlet pipe 16, in the process, the gas outlet pipe 16 passes through the water tank 4, the pumped gas is further cooled, so that the temperature of the sprayed gas is lower than normal temperature, then the gas is sprayed onto the extrusion material 3 through the plurality of gas outlets 14, the cooling of the extrusion material 3 is realized, then the extrusion material 3 enters the water tank 4 again to continue to be cooled, this kind of layered cooling avoids rapid cooling, avoids taking place the condition that extrusion material 3 ftractures, and reciprocating motion drives mounting panel 12 reciprocating motion about screw rod cover 9 simultaneously for the cooling effect is better.

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. A cooling device of a double-screw extruder comprises an extruder body (1) and is characterized in that a support (2) is arranged at the lower end of the extruder body (1), an extrusion material (3) is arranged at the outlet end of the extruder body (1), a water tank (4) is arranged on the right side of the extruder body (1), two openings (5) are formed in the water tank (4), an annular sealing ring is arranged in each opening (5), the extrusion material (3) penetrates through the two openings (5), a transmission case (6) is arranged between the extruder body (1) and the water tank (4), a cooling mechanism for cooling the extrusion material (3) is arranged between the extruder body (1) and the water tank (4), a reciprocating mechanism for moving the cooling mechanism is arranged in the transmission case (6), a gas storage cavity (7) is arranged at the lower end of the water tank (4), and an air pumping mechanism for providing cold air required by the cooling mechanism is arranged in the air storage cavity (7).

2. The cooling device of the twin-screw extruder according to claim 1, wherein the reciprocating mechanism comprises a reciprocating screw (8) rotatably connected in the transmission case (6), and a screw sleeve (9) slidably connected with the inner bottom of the transmission case (6) is arranged on the reciprocating screw (8).

3. The cooling device of the twin-screw extruder according to claim 2, wherein the pumping mechanism comprises a piston (10) hermetically and slidably connected in the air storage cavity (7), a push rod (11) is fixedly connected to the screw sleeve (9), and the right end of the push rod (11) is fixedly connected with the piston (10).

4. The cooling device of the twin-screw extruder according to claim 2, wherein the cooling mechanism comprises a mounting plate (12) fixedly connected to the screw housing (9), the mounting plate (12) is provided with a guide port, the extrudate (3) penetrates through the guide port, a mounting cavity (13) is arranged in the mounting plate (12), and a plurality of air outlets (14) penetrating through the guide port are arranged on the side wall of the mounting cavity (13).

5. The cooling device of the double-screw extruder according to claim 4, wherein the right end of the gas storage cavity (7) is provided with a gas inlet pipe (15) penetrating through the water tank (4), the gas inlet pipe (15) is internally provided with a gas inlet one-way valve, the right end of the gas storage cavity (7) is provided with a gas outlet pipe (16), the gas outlet pipe (16) is internally provided with a gas outlet one-way valve, the upper end of the gas outlet pipe (16) extends into the water tank (4), and the tail end of the gas outlet pipe (16) is communicated with the mounting cavity (13) in a sealing manner.

6. The cooling device of a twin-screw extruder according to claim 1, wherein both ends of the water tank (4) are provided with water collecting hoppers (17), and the lower ends of both the water collecting hoppers (17) are provided with water conduits.