CN215943640U

CN215943640U - Double-screw extrusion device for plastic product production

Info

Publication number: CN215943640U
Application number: CN202121761449.1U
Authority: CN
Inventors: 林晖; 林兵
Original assignee: Fuqing Juli Plastic Products Co ltd
Current assignee: Fuqing Juli Plastic Products Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-03-04
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses a double-screw extrusion device for producing plastic products, which comprises a base, wherein two sides of the top end of the base are fixedly connected with supporting columns, the top ends of the two supporting columns are fixedly connected with an extrusion box, one side of the top end of the extrusion box is fixedly communicated with a crushing box, the top end of the crushing box is fixedly communicated with a feeding nozzle, two sides of the back surface of the crushing box are fixedly connected with a motor box, one side of the inner wall of the motor box is fixedly provided with a first speed reducing motor, one side of the extrusion box, which is close to the feeding nozzle, is fixedly connected with an installation box, one end of one side of the inner wall of the installation box is fixedly provided with a second speed reducing motor, one side of the extrusion box, which is far away from the feeding nozzle, is fixedly communicated with an extrusion port, and the inner wall of the extrusion box is fixedly connected with a heat insulation layer. The working efficiency is improved.

Description

Double-screw extrusion device for plastic product production

Technical Field

The utility model relates to the field of plastic product production, in particular to a double-screw extrusion device for plastic product production.

Background

Plastic products are high molecular compounds, commonly referred to as plastics or resins, made of plastics and polymerized by polyaddition or polycondensation reactions.

Extrusion device need be used to plastic product in process of production, but current extrusion device can not carry out pre-crushing to the raw materials and handle, leads to extruding effect not good, and can not preheat the raw materials, and work efficiency is not high, for this reason we have proposed a double screw extrusion device that plastic product production used.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-screw extrusion device for plastic product production, which aims to solve the problems that the existing extrusion device in the background art cannot pre-crush raw materials, so that the extrusion effect is poor, the raw materials cannot be preheated, and the working efficiency is low.

In order to achieve the purpose, the utility model provides the following technical scheme: a double-screw extrusion device for producing plastic products comprises a base, wherein both sides of the top end of the base are fixedly connected with struts, the top ends of the two struts are fixedly connected with an extrusion box, one side of the top end of the extrusion box is fixedly communicated with a crushing box, the top end of the crushing box is fixedly communicated with a feeding nozzle, both sides of the back surface of the crushing box are fixedly connected with a motor box, one side of the inner wall of the motor box is fixedly provided with a first speed reducing motor, the output end of the first speed reducing motor is fixedly connected with a rotary rod, one end of the rotary rod penetrates through the back surface of the crushing box and is fixedly connected with a first bearing, the first bearing is fixedly connected with one side of the inner wall of the crushing box, the surface of the rotary rod is fixedly sleeved with a crushing roller, one side of the extrusion box close to the feeding nozzle is fixedly connected with an installation box, one end of one side of the inner wall of the installation box is fixedly installed with a second speed reducing motor, the output fixedly connected with rotation axis of second gear motor, the first gear of one end fixedly connected with of rotation axis, first gear deviates from the first screw rod of one side fixedly connected with of rotation axis, the surface engagement of first gear has the second gear, the second gear deviates from the one side fixedly connected with second screw rod of rotation axis, it has the extrusion mouth to extrude the fixed intercommunication in one side that the case deviates from the feed nozzle, the inner wall fixedly connected with heat preservation of extrusion case, the even fixed mounting in top of heat preservation inner wall has a plurality of heater, the back fixed mounting of feed nozzle has third gear motor, third gear motor's output fixedly connected with puddler, inside the feed nozzle was arranged in to the back that the feed nozzle was passed to the one end of puddler, the fixed surface of puddler is connected with a plurality of stirring board.

As a preferred technical scheme of the present invention, a motor switch is fixedly installed on one side of the front surface of the extrusion box, the first speed reduction motor and the second speed reduction motor are both electrically connected to an external power supply through the motor switch, a temperature control switch is fixedly installed on the other side of the front surface of the extrusion box, and the heater is electrically connected to the external power supply through the temperature control switch.

As a preferred technical scheme of the utility model, the front surface of the feeding nozzle is fixedly provided with an anti-blocking switch, and the third speed reducing motor is electrically connected with an external power supply through the anti-blocking switch.

As a preferred technical scheme of the utility model, the bottom end of the base is fixedly connected with a rubber pad.

As a preferable technical scheme of the utility model, one end of the first screw and one end of the second screw penetrate through the inner wall of the extrusion box and are arranged in the extrusion box, the joint of the first screw and the extrusion box and the joint of the second screw and the extrusion box are both sleeved with second bearings, and the joint of the stirring rod and the feeding nozzle is sleeved with a third bearing.

As a preferred technical scheme of the utility model, the back of the motor box and the back of the installation box are both provided with heat dissipation holes.

As a preferred technical scheme of the utility model, the number of the heaters is a plurality, and the heaters are uniformly distributed on the top end of the inner wall of the heat-insulating layer.

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

1. the crushing box is provided with the two crushing rollers, the two first speed reducing motors can be started through the motor switch, the first speed reducing motors drive the crushing rollers to rotate through the rotating rods, the raw materials can be crushed by the two crushing rollers when passing through the two crushing rollers and then fall into the extrusion box, and therefore the raw materials are crushed in advance, the mixing effect of the raw materials in the extrusion box is better, and the quality of finished products is improved;

2. drive two screw rods through second gear motor and rotate, can extrude the raw materials, in addition, can start the heater through temperature detect switch in advance, the heater can preheat the inside of extruding the case, reduce raw materials melting time, and extrude the heat preservation on the incasement wall and can keep extruding the inside temperature of incasement portion, make the raw materials fully melt, work efficiency has been improved from this, and when the feeding mouth blockked up, start third gear motor, third gear motor drives the stirring board through the puddler and stirs, thereby can solve the phenomenon that the feeding mouth blockked up.

Drawings

FIG. 1 is a perspective view of the present invention;

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

FIG. 3 is a top cross-sectional view of the grinding box of the present invention;

FIG. 4 is a top cross-sectional view of an extrusion box of the present invention;

fig. 5 is a top cross-sectional view at the feed nozzle of the present invention.

In the figure: 1. a base; 2. a pillar; 3. an extrusion box; 4. a feed nozzle; 5. a grinding box; 6. a motor case; 7. a first reduction motor; 8. rotating the rod; 9. a crushing roller; 10. installing a box; 11. a second reduction motor; 12. a rotating shaft; 13. a first gear; 14. a first screw; 15. a second gear; 16. a second screw; 17. an extrusion port; 18. a heat-insulating layer; 19. a heater; 20. a motor switch; 21. a temperature control switch; 22. a rubber pad; 23. a third reduction motor; 24. a stirring rod; 25. a stirring plate; 26. prevent stifled switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a twin-screw extrusion apparatus for plastic production, comprising a base 1, wherein two sides of the top end of the base 1 are fixedly connected with pillars 2, the top ends of the two pillars 2 are fixedly connected with an extrusion box 3, one side of the top end of the extrusion box 3 is fixedly communicated with a grinding box 5, the top end of the grinding box 5 is fixedly communicated with a feeding nozzle 4, two sides of the back surface of the grinding box 5 are fixedly connected with a motor box 6, one side of the inner wall of the motor box 6 is fixedly provided with a first speed reduction motor 7, the output end of the first speed reduction motor 7 is fixedly connected with a rotating rod 8, one end of the rotating rod 8 penetrates through the back surface of the grinding box 5 and is fixedly connected with a first bearing, the first bearing is fixedly connected with one side of the inner wall of the grinding box 5, the surface of the rotating rod 8 is fixedly sleeved with a grinding roller 9, one side of the extrusion box 3 close to the feeding nozzle 4 is fixedly connected with a mounting box 10, one end fixed mounting of installation box 10 inner wall one side has second gear motor 11, the output fixedly connected with rotation axis 12 of second gear motor 11, the first gear 13 of one end fixedly connected with of rotation axis 12, first gear 13 deviates from the first screw rod 14 of one side fixedly connected with of rotation axis 12, the surface toothing of first gear 13 has second gear 15, second gear 15 deviates from one side fixedly connected with second screw rod 16 of rotation axis 12, it has extrusion opening 17 to extrude the fixed intercommunication in one side that case 3 deviates from feeding mouth 4, the inner wall fixedly connected with heat preservation 18 of extruding case 3, the top fixed mounting of the heat preservation 18 inner wall has heater 19, the back fixed mounting of feeding mouth 4 has third gear motor 23, the output fixedly connected with puddler 24 of third gear motor 23, the back that feeding mouth 4 was placed in to puddler 24 is passed to the one end of puddler 24 is placed in inside feeding mouth 4, the fixed surface of puddler 24 is connected with a plurality of stirring boards 25.

Preferably, a motor switch 20 is fixedly installed on one side of the front surface of the extrusion box 3, the first speed reduction motor 7 and the second speed reduction motor 11 are both electrically connected with an external power supply through the motor switch 20, a temperature control switch 21 is fixedly installed on the other side of the front surface of the extrusion box 3, the heater 19 is electrically connected with the external power supply through the temperature control switch 21, the motor switch 20 is used for controlling the first speed reduction motor 7 and the second speed reduction motor 11 to be turned on and turned off, and the temperature control switch 21 is used for controlling the heater 19 to be turned on and turned off;

preferably, the anti-blocking switch 26 is fixedly installed on the front surface of the feeding nozzle 4, the third speed reducing motor 23 is electrically connected with an external power supply through the anti-blocking switch 26, and the anti-blocking switch 26 is used for controlling the third speed reducing motor 23 to be turned on and off;

preferably, the bottom end of the base 1 is fixedly connected with a rubber pad 22 for increasing the friction force at the bottom end of the base 1, so that the device is not easy to slide;

preferably, one end of the first screw 14 and one end of the second screw 16 both penetrate through the inner wall of the extrusion box 3 and are arranged inside the extrusion box 3, a second bearing is sleeved at the joint of the first screw 14 and the extrusion box 3 and the joint of the second screw 16 and the extrusion box 3, a third bearing is sleeved at the joint of the stirring rod 24 and the feeding nozzle 4, the two screws are arranged inside the extrusion box 3 and can extrude the plastic raw material, and the plastic raw material can rotate through the bearings;

preferably, the back of the motor box 6 and the back of the installation box 10 are both provided with heat dissipation holes for dissipating heat of the internal motor, so as to prevent the normal operation and the service life of the motor from being influenced by overhigh temperature;

preferably, heater 19 is equipped with a plurality of, and a plurality of heater 19 evenly distributed in the top of heat preservation 18 inner wall, can be even through a plurality of heater 19 heat the raw materials.

When the double-screw extrusion device for producing plastic products is used, the heat-insulating layer 18 is made of rock wool, the heat-insulating effect of the rock wool is good, the model of the temperature control switch 21 is KSD301, when the double-screw extrusion device is used, raw materials are fed from the feeding nozzle 4 and enter the crushing box 5 through the feeding nozzle 4, two crushing rollers 9 are arranged in the crushing box 5, two first speed reducing motors 7 can be started through the motor switch 20, the first speed reducing motors 7 drive the crushing rollers 9 to rotate through the rotating rods 8, the raw materials are crushed by the two crushing rollers 9 when passing through the space between the two crushing rollers 9 and then fall into the extrusion box 3, so that the raw materials are crushed in advance, the mixing effect of the raw materials in the extrusion box 3 is better, the quality of finished products is improved, the motor switch 20 simultaneously starts the second speed reducing motor 11, the second speed reducing motor 11 drives the first gear 13 to rotate through the rotating shaft 12, first gear 13 surface toothing has second gear 15, thereby can drive the screw rod of two gear one sides simultaneously and rotate, under the effect of first screw rod 14 and second screw rod 16, can extrude the raw materials, in addition, can start heater 19 through temperature detect switch 21 in advance, heater 19 can preheat the inside of extruding case 3, reduce raw materials melting time, and extrude heat preservation 18 on the case 3 inner wall and can keep extruding the inside temperature of case 3, make the raw materials fully melt, thereby work efficiency has been improved, extrude the product through extrusion opening 17 at last, and when feed nozzle 4 blockked up, start third gear motor 23, third gear motor 23 drives stirring plate 25 through puddler 24 and stirs, thereby can solve the phenomenon of feed nozzle 4 jam.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a double screw extrusion device of plastic product production usefulness, includes base (1), its characterized in that: the utility model discloses a grinding device for the automobile, which comprises a base (1), a grinding box (5), a feeding nozzle (4), a motor box (6), a first speed reducing motor (7), a rotary rod (8), a first bearing, a grinding roller (9), a grinding box (10), a grinding nozzle (4), a grinding box (3), a grinding box (5), a grinding box (4), a grinding box (10), a grinding box (3), a grinding box (4), a grinding box (9), a grinding roller and a grinding box (10), the one end fixed mounting of installing bin (10) inner wall one side has second gear motor (11), the output fixedly connected with rotation axis (12) of second gear motor (11), the one end fixedly connected with first gear (13) of rotation axis (12), one side fixedly connected with first screw rod (14) that first gear (13) deviates from rotation axis (12), the surface toothing of first gear (13) has second gear (15), one side fixedly connected with second screw rod (16) that second gear (15) deviates from rotation axis (12), one side fixed intercommunication that extrusion case (3) deviates from feed nozzle (4) has extrusion mouth (17), the inner wall fixedly connected with heat preservation (18) of extrusion case (3), the top fixed mounting of heat preservation (18) inner wall has heater (19), the back fixed mounting of feed nozzle (4) has third gear motor (23), the output end of the third speed reducing motor (23) is fixedly connected with a stirring rod (24), one end of the stirring rod (24) penetrates through the back face of the feeding nozzle (4) and is arranged in the feeding nozzle (4), and the surface of the stirring rod (24) is fixedly connected with a plurality of stirring plates (25).

2. The twin-screw extrusion apparatus for plastic production of claim 1, wherein: extrude positive one side fixed mounting of case (3) has motor switch (20), first gear motor (7) and second gear motor (11) all through motor switch (20) and external power supply electric connection, the positive opposite side fixed mounting of extrusion case (3) has temperature detect switch (21), heater (19) are through temperature detect switch (21) and external power supply electric connection.

3. The twin-screw extrusion apparatus for plastic production of claim 1, wherein: the front fixed mounting of feed nozzle (4) has prevents stifled switch (26), third gear motor (23) are through preventing stifled switch (26) and external power electric connection.

4. The twin-screw extrusion apparatus for plastic production of claim 1, wherein: the bottom end of the base (1) is fixedly connected with a rubber pad (22).

5. The twin-screw extrusion apparatus for plastic production of claim 1, wherein: the one end of first screw rod (14) and the one end of second screw rod (16) all pass the inner wall of extrusion case (3) and arrange extrusion case (3) inside in, just the junction of first screw rod (14) and extrusion case (3) and the junction of second screw rod (16) and extrusion case (3) all overlap and are equipped with the second bearing, the junction cover of puddler (24) and feed nozzle (4) is equipped with the third bearing.

6. The twin-screw extrusion apparatus for plastic production of claim 1, wherein: the back of the motor box (6) and the back of the installation box (10) are both provided with heat dissipation holes.

7. The twin-screw extrusion apparatus for plastic production of claim 1, wherein: the heaters (19) are arranged in a plurality of numbers, and the heaters (19) are uniformly distributed on the top end of the inner wall of the heat-insulating layer (18).