CN215040058U

CN215040058U - Extruder screw spindle cooling system with guiding transmission structure

Info

Publication number: CN215040058U
Application number: CN202023338026.7U
Authority: CN
Inventors: 樊凯; 华睿; 孙锡连
Original assignee: Nanjing Only Extrusion Machinery Co ltd
Current assignee: Nanjing Only Extrusion Machinery Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-12-07
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses an extruder screw spindle cooling system with a guide transmission structure, which comprises a base, wherein the top of the base is provided with a first chute, the inner wall of the first chute is connected with a second slide bar in a sliding way, the outer wall of the second slide bar is fixedly connected with one end of a second thread cylinder, the inner wall thread of the second thread cylinder is connected with a threaded rod, the other end of the second thread cylinder is fixedly connected with a connecting rod, and the outer wall of the second thread cylinder is also fixedly connected with a first slide bar; a second threaded column is in threaded connection with the inner wall of the base, a third threaded cylinder is in threaded connection with one end of the second threaded column, and a universal wheel is fixedly connected to the bottom of the base; the utility model discloses well fan will blow to the screw rod main shaft through the air that the refrigerant was handled, can reduce the temperature on screw rod main shaft surface fast, and the motor rotates and makes the fan remove along near extruder screw rod main shaft surface to reach the effect of evenly cooling down for whole extruder screw rod main shaft surface, thereby promote the whole cooling effect of this system.

Description

Extruder screw spindle cooling system with guiding transmission structure

Technical Field

The utility model belongs to the technical field of the machine-building, in particular to extruder screw rod main shaft cooling system with direction transmission structure.

Background

The extruder can divide the machine head into a right-angle machine head, an oblique-angle machine head and the like according to the material flow direction of the machine head and the included angle of the central line of the screw. The casing of the machine head is generally fixed on the machine body by bolts, a die inside the machine head comprises a die core seat, the die core seat is fixed on an inlet wire port of the machine head by a screw cap, a die core is also arranged inside the die core seat, and the centers of the die core and the die core seat are provided with holes for passing through the core wire.

The extrusion process can be divided into continuous extrusion and batch extrusion depending on the kind of the pressurization means. The former apparatus is a screw extruder, and the latter apparatus is a ram extruder. In this case, screw extruders can be classified roughly into single-screw extruders and multi-screw extruders depending on the number of screws. The working mechanism of the screw extruder is that materials can be fully plasticized and uniformly mixed by means of pressure and shearing force generated by screw rotation, and the materials are molded through a neck mold; therefore, a series of processes such as mixing, plasticizing, and molding can be simultaneously performed using one extruder, and continuous production can be performed.

The screw main shaft can produce a large amount of heats when extruder during operation, if not timely cooling heat dissipation, can have very big influence to the screw main shaft, cooling system on the existing market can only be to its fixed certain position cooling when cooling down the screw main shaft for whole screw main shaft cooling effect is slower, and the cooling effect is unsatisfactory, remains to improve, and the present case produces from this.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an extruder screw rod main shaft cooling system with direction transmission structure has better cooling effect, has solved the poor problem of traditional cooling effect.

In order to achieve the above purpose, the solution of the present invention is:

a cooling system with a guide transmission structure for a screw spindle of an extruder comprises a base, wherein a first sliding chute is formed in the top of the base, a second sliding rod is connected to the inner wall of the first sliding chute in a sliding manner, one end of a second threaded cylinder is fixedly connected to the outer wall of the second sliding rod, a threaded rod is connected to the inner wall of the second threaded cylinder in a threaded manner, the other end of the second threaded cylinder is fixedly connected with a connecting rod, and a first sliding rod is fixedly connected to the outer wall of the second threaded cylinder; the inner wall threaded connection of base has second screw thread post, and the one end threaded connection of second screw thread post has a third screw thread section of thick bamboo, the bottom fixedly connected with universal wheel of base.

One end of the second sliding rod is fixedly connected with a first threaded column, and the outer wall of the first threaded column is in threaded connection with a first threaded cylinder.

The outer wall of the first threaded cylinder is fixedly connected with a hanging box, and the inner wall of the hanging box is fixedly connected with a refrigerant.

The top of the first threaded cylinder is fixedly connected with a fan, and the fan is a CX-75A-AC fan.

The outer wall of the base is provided with a second sliding chute, and the inner wall of the second sliding chute is in sliding connection with the outer wall of the first sliding rod.

The bottom fixedly connected with rack of above-mentioned connecting rod, the top fixed mounting of base has the motor, and the output of motor passes through the coupling joint and has the gear, the outer wall of gear is connected with the outer wall meshing of rack.

The motor is a 60BLDC motor.

After the scheme is adopted, the utility model discloses compare prior art's beneficial effect is:

(1) the cooling system for the screw spindle of the extruder is characterized in that a fan, a first threaded cylinder, a hanging box, a refrigerant, a first threaded column, a motor, a rack and a base are matched with one another for use, the fan blows air treated by the refrigerant to the screw spindle, the temperature of the surface of the screw spindle can be quickly reduced, and the motor rotates to enable the fan to move along the vicinity of the surface of the screw spindle of the extruder, so that the surface of the screw spindle of the extruder is cooled, the effect of uniformly cooling the surface of the screw spindle is achieved, and the cooling effect of the system is improved;

(2) the cooling system for the screw spindle of the extruder is characterized in that the positions of the cooling system and the screw spindle can be adjusted by operating the third threaded cylinder, the first threaded cylinder and the threaded rod through the mutual matching use of the base, the second sliding rod, the third threaded cylinder, the second threaded cylinder, the first threaded cylinder, the second threaded cylinder and the threaded rod, so that the fan is adjusted to the optimal position, the best cooling effect on the screw spindle is achieved, and the cooling effect of the cooling system is improved;

(3) this extruder screw rod main shaft cooling system uses through mutually supporting of base, universal wheel, second screw thread post and third screw thread section of thick bamboo, through the use of universal wheel, becomes rolling friction with original sliding friction, and frictional force reduces, removes this cooling system more laborsavingly through promoting, reaches the purpose that this cooling system is convenient for remove to this cooling system's practicality has been improved.

Drawings

Fig. 1 is a left side view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

fig. 3 is a front view of the present invention;

fig. 4 is an enlarged view at a in fig. 2.

Reference numerals:

1. a base; 2. a first slide bar; 3. a second slide bar;

4. a first threaded post; 5. a first threaded barrel; 6. hanging a box;

7. a second threaded barrel; 8. a threaded rod; 9. a fan;

10. a connecting rod; 11. a rack; 12. an electric motor;

13. a gear; 14. a third threaded barrel; 15. a second threaded post;

16. a universal wheel; 17. a first chute; 18. a second chute; 19. a refrigerant.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 4, the utility model provides an extruder screw spindle cooling system with guiding transmission structure, which comprises a base 1, a first chute 17 is opened on the top of the base 1, a second slide bar 3 is connected on the inner wall of the first chute 17 in a sliding manner, a first threaded column 4 is fixedly connected on one end of the second slide bar 3, a first threaded column 5 is connected on the outer wall of the first threaded column 4 in a threaded manner, a hanging box 6 is fixedly connected on the outer wall of the first threaded column 5, a refrigerant 19 is fixedly connected on the inner wall of the hanging box 6, a fan 9 is fixedly connected on the top of the first threaded column 5, the fan 9 is a CX-75A-AC fan, and through the mutual cooperation of the fan 9, the first threaded column 5, the hanging box 6, the refrigerant 19, the first threaded column 4, a motor 12, a rack 11 and the base 1, the fan 9 blows the air treated by the refrigerant 19 to the screw spindle, the temperature of the surface of the screw spindle can be quickly reduced, and the motor 12 rotates to enable the fan 9 to move along the position near the surface of the screw spindle of the extruder, so that the surface of the screw spindle of the whole extruder is cooled, the effect of uniformly cooling the surface of the screw spindle is achieved, and the cooling effect of the system is improved.

A second threaded cylinder 7 is fixedly connected to the outer wall of the second slide bar 3, a threaded rod 8 is connected to the inner wall of the second threaded cylinder 7 in a threaded manner, a connecting rod 10 is fixedly connected to one end of the second threaded cylinder 7, and a rack 11 is fixedly connected to the bottom of the connecting rod 10; the top of the base 1 is fixedly provided with a motor 12, the motor 12 is a 60BLDC motor, the output end of the motor 12 is fixedly connected with a gear 13 through a coupler, and the outer wall of the gear 13 is meshed and connected with the outer wall of the rack 11; the outer wall of the second threaded cylinder 7 is fixedly connected with a first sliding rod 2, the outer wall of the base 1 is provided with a second sliding chute 18, the inner wall of the second sliding chute 18 is in sliding connection with the outer wall of the first sliding rod 2, and the inner wall of the base 1 is in threaded connection with a second threaded column 15; through the mutual matching use of the base 1, the second sliding rod 3, the third threaded cylinder 14, the second threaded cylinder 15, the first threaded cylinder 4, the first threaded cylinder 5, the second threaded cylinder 7 and the threaded rod 8, the positions of the cooling system and the screw spindle can be adjusted by operating the third threaded cylinder 14, the first threaded cylinder 5 and the threaded rod 8, so that the fan 9 is adjusted to the optimal position, the best cooling effect on the screw spindle is achieved, and the cooling effect of the cooling system is improved.

One end threaded connection of second screw thread post 15 has a third screw thread section of thick bamboo 14, the bottom fixedly connected with universal wheel 16 of base 1, through base 1, universal wheel 16, second screw thread post 15 and the use of mutually supporting of a third screw thread section of thick bamboo 14, use through universal wheel 16, become rolling friction with original sliding friction, frictional force reduces, it is more laborsaving to remove this cooling system through promoting, reach the purpose that this cooling system is convenient for remove, thereby the practicality of this cooling system has been improved.

The utility model discloses a theory of operation is: the first threaded barrel 5 is pushed, the cooling system is pushed to the position close to the main shaft of the extruder screw through a universal wheel 16 arranged at the bottom end of the base 1, the threaded rod 8 and the second threaded column 15 are rotated, the fan 9 is adjusted to the position nearest to the main shaft of the extruder screw, the first threaded barrel 5 is rotated, the height of the fan 9 is adjusted, the wind direction of the fan is aligned with the maximum surface area of the main shaft of the extruder screw, switches of the motor 12 and the fan 9 are turned on, a refrigerant 19 in the hanging box 6 is sublimated to absorb the heat of nearby gas, the temperature of nearby air is reduced, the fan 9 blows the gas with the reduced temperature to the main shaft of the extruder screw, the heat on the surface of the main shaft of the extruder screw is taken away, the temperature on the surface of the main shaft of the extruder screw is reduced, the motor 12 rotates to drive the rack 11 to move left and right, so as to drive the fan 9 to move along the position close to the surface of the main shaft of the extruder screw, and cooling the surface of the screw spindle of the whole extruder.

In summary, in the cooling system for the screw spindle of the extruder, the fan 9 blows air treated by the refrigerant 19 to the screw spindle, so as to rapidly reduce the temperature of the surface of the screw spindle, the motor 12 rotates to move the fan 9 along the vicinity of the surface of the screw spindle of the extruder, so as to cool the surface of the whole screw spindle of the extruder, and achieve the effect of uniformly cooling the surface of the screw spindle, thereby improving the cooling effect of the system, and the positions of the cooling system and the screw spindle can be adjusted by operating the third threaded cylinder 14, the first threaded cylinder 5 and the threaded rod 8, so as to adjust the fan 9 to the optimal position, so as to achieve the best cooling effect on the screw spindle, and improve the cooling effect of the cooling system.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention and to simplify the description, but do not indicate or imply that the device or element 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.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides an extruder screw rod main shaft cooling system with direction transmission structure which characterized in that: the novel screw thread machine comprises a base (1), wherein a first sliding groove (17) is formed in the top of the base (1), the inner wall of the first sliding groove (17) is connected with a second sliding rod (3) in a sliding mode, the outer wall of the second sliding rod (3) is fixedly connected with one end of a second screw thread cylinder (7), the inner wall of the second screw thread cylinder (7) is connected with a threaded rod (8) in a threaded mode, the other end of the second screw thread cylinder (7) is fixedly connected with a connecting rod (10), and the outer wall of the second screw thread cylinder (7) is also fixedly connected with a first sliding rod (2); the inner wall threaded connection of base (1) has second screw thread post (15), and the one end threaded connection of second screw thread post (15) has third screw thread section of thick bamboo (14), the bottom fixedly connected with universal wheel (16) of base (1).

2. The cooling system of the screw spindle of an extruder having a guide transmission structure according to claim 1, wherein: one end of the second sliding rod (3) is fixedly connected with a first threaded column (4), and the outer wall of the first threaded column (4) is in threaded connection with a first threaded cylinder (5).

3. The cooling system of the screw spindle of an extruder having a guide transmission structure according to claim 2, wherein: the outer wall of the first threaded cylinder (5) is fixedly connected with a hanging box (6), and the inner wall of the hanging box (6) is fixedly connected with a refrigerant (19).

4. The cooling system of the screw spindle of an extruder having a guide transmission structure according to claim 2, wherein: the top of first screw thread section of thick bamboo (5) fixedly connected with fan (9), fan (9) are CX-75A-AC fan.

5. The cooling system of the screw spindle of an extruder having a guide transmission structure according to claim 1, wherein: the outer wall of the base (1) is provided with a second sliding chute (18), and the inner wall of the second sliding chute (18) is in sliding connection with the outer wall of the first sliding rod (2).

6. The cooling system of the screw spindle of an extruder having a guide transmission structure according to claim 1, wherein: the bottom fixedly connected with rack (11) of connecting rod (10), the top fixed mounting of base (1) has motor (12), and the output of motor (12) has gear (13) through the coupling joint, the outer wall of gear (13) is connected with the outer wall meshing of rack (11).

7. The cooling system of the screw spindle of an extruder having a guide transmission structure according to claim 6, wherein: the motor (12) is a 60BLDC motor.