CN209937626U

CN209937626U - Automatic feeding and feeding system for extruder

Info

Publication number: CN209937626U
Application number: CN201920489606.4U
Authority: CN
Inventors: 张曙光
Original assignee: Hunan Tianneng Building Materials Co Ltd
Current assignee: Hunan Tianneng Building Materials Co Ltd
Priority date: 2019-04-11
Filing date: 2019-04-11
Publication date: 2020-01-14
Anticipated expiration: 2029-04-11

Abstract

The utility model relates to an automatic feeding system for extruder, this automatic feeding system includes extruder, feeding system, main hopper, still includes the (mixing) shaft of locating the main hopper dead center, the (mixing) shaft upper end is provided with stirring propelling movement portion, the lower extreme is provided with the mixed propelling movement portion, the (mixing) shaft is close to the one end of stirring propelling movement portion and is connected with first motor; the lower end of the main hopper is connected with the extruder through a connecting flange, the side surface of the main hopper close to the discharging end of the connecting flange is communicated with an auxiliary material feeding material barrel, a screw rod is arranged in a cavity of the material barrel, the upper end of the material barrel is provided with an auxiliary hopper, and the tail end of the material barrel is provided with a propelling motor connected with the screw rod; the system does not need special people to take charge, thereby saving people; the system is directly accessed from the raw materials, and is not required to be reserved in advance, so that pollution is avoided; the system is controlled by a special control device, is simple and convenient to operate, and can control the material quantity during production.

Description

Automatic feeding and feeding system for extruder

Technical Field

The utility model relates to an extruder equipment technical field, concretely relates to automatic feeding system for extruder.

Background

The plastic extruder is a common plastic production device, and traditionally, when auxiliary materials need to be added, the auxiliary materials and raw materials are mixed according to a certain proportion and then extruded and molded by the plastic extruder. However, when the method is adopted for production, the following disadvantages exist: 1. manpower is wasted, and a specially-assigned person is required to take charge of a special stirrer to stir according to a certain proportion; 2. when the particle of the auxiliary material is different from the particle of the raw material in thickness, the stirring is not uniform; 3. the space is wasted, because the amount of the mixture required to be prepared at a time is large, the occupied area for standby is large after the mixture is contained in the bag, and the bag is easy to be polluted when the bag is not sealed; 4. the amount of auxiliary materials cannot be adjusted according to the real-time production requirement.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one problem existing in the prior art, the utility model provides an automatic feeding system for an extruder, which does not need the special person to take charge and saves people; the system is directly accessed from the raw materials without being reserved in advance, so that the space is saved, and the pollution is avoided; the system is controlled by a special control device, is simple and convenient to operate, and can control the material quantity during production.

In order to achieve the above object, the technical solution of the present invention is: an automatic feeding and feeding system for an extruder comprises the extruder, a feeding system, a main hopper and a stirring shaft arranged in the center of the main hopper, wherein a stirring pushing part is arranged at the upper end of the stirring shaft, a mixing pushing part is arranged at the lower end of the stirring shaft, one end of the stirring shaft close to the stirring pushing part is connected with a first motor, the same convex columns are distributed on the stirring pushing part, the convex columns are distributed around the stirring shaft in a reverse spiral manner, inclined blades are distributed on the mixing pushing part, and the blades are distributed around the stirring shaft in a positive spiral manner; the lower end of the main hopper is connected with the extruder through a connecting flange, the side face, close to the connecting flange, of the discharging end of the main hopper is communicated with an auxiliary material feeding material barrel, a screw rod is arranged in a cavity of the material barrel, an auxiliary material hopper is arranged at the upper end of the material barrel, and a propelling motor connected with the screw rod is arranged at the tail end of the material barrel.

Furthermore, the farthest distance from the convex column on the stirring pushing part to the center of the stirring shaft is smaller than the farthest distance from the blade on the mixing pushing part to the center of the stirring shaft.

Further, the feeding system comprises a storage bin, a drying feeding device, a feeding pipe, an upper sensor and a lower sensor; one end of the feeding pipe is connected with the top of the hopper, and the other end of the feeding pipe is directly inserted into the storage bin; the upper inductor and the lower inductor are distributed on the inner side wall of the hopper in a high-low mode.

Further, the storage bin is a closable volume with an inclined bottom.

Further, this automatic feeding system for extruder still includes controlling means, and the controlling means of telling is the PLC controller.

The utility model has the advantages that:

1. through the (mixing) shaft that sets up, can effectually stop the jam of hopper unloading end to the auxiliary material that the misce bene fed passively from the side.

2. The system is uniformly controlled by the control device, and can adjust the auxiliary material dosage and control the conveying of the feeding system according to the real-time production requirement.

3. The closed storage mode and the conveying mode of the system greatly avoid the possibility of raw material pollution.

4. The system effectively reduces the use of manpower.

Drawings

Fig. 1 is a schematic structural view of an automatic feeding system for an extruder.

Fig. 2 is a schematic view of the feed system of fig. 1.

In the figure: 1. a control device; 2. a feeding system; 3. a main hopper; 4. a first motor; 5. a stirring shaft; 6. a connecting flange; 7. an auxiliary hopper; 8. a pushing motor; 9. a charging barrel; 10. a screw; 11. an extruder; 21. a storage bin; 22. drying the feeding device; 23. feeding pipes; 24. an upper sensor; 25. a lower sensor; 51. a stirring and pushing part; 52. a mixing and pushing part.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

As shown in fig. 1-2, the structure of the present invention is: an automatic feeding and feeding system for an extruder comprises an extruder 11, a feeding system 2, a main hopper 3 in a relatively closed space, and a stirring shaft 5 arranged in the center of the main hopper 3, wherein a stirring pushing part 51 is arranged at the upper end of the stirring shaft 5, a mixing pushing part 52 is arranged at the lower end of the stirring shaft 5, one end of the stirring shaft 5, which is close to the stirring pushing part 51, is connected with a first motor 4, identical convex columns are distributed on the stirring pushing part 51, the convex columns are distributed in a reverse spiral manner around the stirring shaft 5, and inclined blades are distributed on the mixing pushing part 52, and the blades are distributed in a forward spiral manner around the stirring shaft 5; when the first motor 4 controls the rotation of the stirring shaft 5, the convex columns distributed in the reverse spiral on the stirring pushing part 51 play a role in stirring the main materials in the main hopper 3 and have an upward pushing force, and the blades distributed in the positive spiral on the mixing pushing part 52 play a role in mixing the main materials and the auxiliary materials entering the discharging end and have a downward pushing force, that is, the main materials not entering the discharging end form a flowing circulation in the main hopper 3.

The lower end of the main hopper 3 is connected with the extruder 11 through the connecting flange 6, the side face of the discharging end of the main hopper 3 close to the connecting flange 6 is communicated with an auxiliary material feeding material barrel 9, a screw rod 10 is arranged in a cavity of the material barrel 9, the upper end of the material barrel is provided with the auxiliary hopper 7, the tail end of the material barrel is provided with a propelling motor 8 connected with the screw rod 10, and the screw rod 10 is controlled by controlling the propelling motor 8.

As a preferred technical scheme of the design, the farthest distance from the convex column on the stirring pushing part 51 to the center of the stirring shaft 5 is smaller than the farthest distance from the blade on the mixing pushing part 52 to the center of the stirring shaft 5, and the design can effectively ensure that the main material entering the discharging end flows and is not easy to block.

As a preferred technical solution of the present design, the feeding system 2 includes a storage bin 21, a drying and feeding device 22, a feeding pipe 23, an upper sensor 24, and a lower sensor 25; one end of the feeding pipe 23 is connected with the top of the hopper, and the other end is directly inserted into the storage bin 21, and a drying and feeding device 22 is arranged in the middle section of the feeding pipe; the upper sensor 24 and the lower sensor 25 are distributed on the inner side wall of the hopper in a high-low mode, when the lower sensor 25 does not sense raw materials, the feeding system 2 starts feeding, and when the upper sensor 24 senses the raw materials, the feeding system 2 stops feeding.

As a preferred technical solution of the present design, the storage bin 21 is a closable volume with an inclined bottom.

As a preferable technical solution of the present design, the system further comprises a control device 1, and the control device is a PLC controller.

When the system is used specifically, various materials are poured into corresponding bins, the raw materials sequentially pass through the feeding pipe 23 and the drying feeding device 22 and then reach the interior of the hopper, the raw materials in the hopper slowly cover the lower inductor 25 and the upper inductor 24 in sequence, and at the moment, the system automatically stops feeding; the control device 1 controls the propulsion motor 8, the first motor 4 and the extruder 11 to work according to set data, main materials in the main hopper 3 enter the discharging end under the action of the stirring shaft 5, auxiliary materials in the auxiliary hopper 7 also enter the discharging end of the main hopper 3 under the pushing of the screw rod 10, the main materials and the auxiliary materials in the discharging end are mixed under the action of the mixing and pushing portion 52 and are pushed to a feeding port of the extruder to achieve feeding, and the set data are adjustable.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. An automatic feeding and feeding system for an extruder comprises an extruder (11), a feeding system (2), a main hopper (3) and is characterized by further comprising a stirring shaft (5) arranged in the center of the main hopper (3), wherein a stirring pushing part (51) is arranged at the upper end of the stirring shaft (5), a mixing pushing part (52) is arranged at the lower end of the stirring shaft (5), one end, close to the stirring pushing part (51), of the stirring shaft (5) is connected with a first motor (4), identical convex columns are distributed on the stirring pushing part (51), the convex columns are distributed in a reverse spiral manner around the stirring shaft (5), inclined blades are distributed on the mixing pushing part (52), and the blades are distributed in a forward spiral manner around the stirring shaft (5);

the lower end of the main hopper (3) is connected with the extruder (11) through a connecting flange (6), the side face of the discharging end of the main hopper (3) close to the connecting flange (6) is communicated with an auxiliary material feeding material barrel (9), a screw rod (10) is arranged in a cavity of the material barrel (9), the upper end of the material barrel is provided with an auxiliary hopper (7), and the tail end of the material barrel is provided with a propelling motor (8) connected with the screw rod (10).

2. The automatic feeding system for the extruder in claim 1, wherein the farthest distance from the convex column of the stirring and pushing part (51) to the center of the stirring shaft (5) is smaller than the farthest distance from the blade of the mixing and pushing part (52) to the center of the stirring shaft (5).

3. The automatic feeding system for the extruder according to claim 2, wherein the feeding system (2) comprises a storage bin (21), a dry feeding device (22), a feeding pipe (23), an upper sensor (24) and a lower sensor (25); one end of the feeding pipe (23) is connected with the top of the hopper, one end of the feeding pipe is directly inserted into the stock bin (21), and a drying and feeding device (22) is arranged in the middle section of the feeding pipe; the upper sensors (24) and the lower sensors (25) are distributed on the inner side wall of the hopper in a high-low mode.

4. The automatic feeding system for the extruder according to claim 3, wherein the bin (21) is a closable volume with a bottom inclined.

5. The automatic feeding system for the extruder of claim 4, further comprising a control device (1), wherein the control device is a PLC controller.