CN214820738U

CN214820738U - Feeding device of conical double-screw extruder

Info

Publication number: CN214820738U
Application number: CN202120903333.0U
Authority: CN
Inventors: 朱晓军
Original assignee: Wuxi Jinkaisheng Machinery Manufacturing Co ltd
Current assignee: Wuxi Jinkaisheng Machinery Manufacturing Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-11-23
Anticipated expiration: 2031-04-28

Abstract

The utility model discloses a feeding device of toper double screw extruder, including the mounting panel, the top of mounting panel is provided with the feeding case, mounting hole one has been seted up to the top of feeding case, the inner wall fixedly connected with storage hopper of mounting hole one, one side outer wall of storage hopper is provided with rubbing crusher and constructs, the outer wall of storage hopper is provided with the valve, mounting hole two has been seted up to the bottom outer wall of feeding case, the inner wall fixedly connected with feed cylinder of mounting hole two. The utility model discloses in putting into the storage hopper raw and other materials plastic granules, and then can enter into the feeding case, the raw and other materials that accord with the particle diameter will fall from the sieve, and the raw and other materials of holding a group caking will enter into conveying mechanism, enter into rubbing crusher structure from conveying mechanism again and carry out shredding, then in getting back to the storage hopper, so relapse, when just so can guaranteeing feed speed, can also make the raw and other materials of holding a group caking get into smoothly, can not influence the processing progress.

Description

Feeding device of conical double-screw extruder

Technical Field

The utility model relates to a melt and spout cloth production facility technical field, especially relate to a feeding device of toper double screw extruder.

Background

After high polymer resin is extruded, melted and plasticized by a screw extruder, a metering pump is used for accurately metering and conveying a spinning assembly, the spinning assembly is drawn into superfine fibers under the action of high-speed high-pressure hot air flow, and melt-blown non-woven fabric is formed on a collecting device. The melt-blown fabric is the most core material of the mask, the melt-blown fabric mainly takes polypropylene as a main raw material, and the fiber diameter can reach 1-5 microns. The superfine fiber with the unique capillary structure increases the number and the surface area of the fiber per unit area, so that the melt-blown fabric has good filtering property, shielding property, heat insulation property and oil absorption property.

In the production process of melt-blown fabric, we need to use an 80-conical twin-screw extruder, which adopts an integrated high-torque high-rotating-speed gear box, can improve the torque and rotating speed of screws to improve the productivity, and when feeding the extruder, we need to use a feeding device, and the existing feeding device has the problem that plastic granules of some raw materials can have cohesive lumps and caking, so that the plastic granules can not be fed into a machine barrel of the extruder to influence the processing progress.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a feeding device of toper double screw extruder to solve the problem that proposes among the above-mentioned background art.

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

the utility model provides a feeding device of toper double screw extruder, includes the mounting panel, the top of mounting panel is provided with the feeding case, mounting hole one has been seted up to the top of feeding case, the inner wall fixedly connected with storage hopper of mounting hole one, one side outer wall of storage hopper is provided with rubbing crusher and constructs, the outer wall of storage hopper is provided with the valve, mounting hole two has been seted up to the bottom outer wall of feeding case, the inner wall fixedly connected with feeding cylinder of mounting hole two, mounting hole three has been seted up to the top outer wall of mounting panel, the inner wall fixedly connected with leak protection cover of mounting hole three, feeding cylinder cup joints inside the leak protection cover, the inner wall fixedly connected with sieve of feeding case, one side outer wall of feeding case is provided with conveying mechanism.

As a further improvement scheme of the technical scheme: the conveying mechanism comprises a conveying cylinder, and the inner walls of the top and the bottom of the conveying cylinder are connected with a spiral conveying shaft through bearings.

As a further improvement scheme of the technical scheme: the outer wall of the bottom of the conveying cylinder is fixedly connected with a motor, and one end of an output shaft of the motor is fixedly connected with the spiral conveying shaft.

As a further improvement scheme of the technical scheme: and a fourth mounting hole is formed below the outer wall of the conveying cylinder, a connecting cylinder is fixedly connected to the inner wall of the fourth mounting hole, and the connecting cylinder is fixedly connected and communicated with the feeding box.

As a further improvement scheme of the technical scheme: the crushing mechanism comprises a material return pipe, two ends of the material return pipe are fixedly connected and communicated with the storage hopper and the conveying cylinder respectively, and the outer wall of the material return pipe is connected with a rotating shaft through a bearing.

As a further improvement scheme of the technical scheme: the outer wall fixedly connected with of pivot smashes the blade, the pivot all has cup jointed with the one end of auger delivery axle changes the roller, two the outer wall of changeing the roller has cup jointed same belt.

As a further improvement scheme of the technical scheme: the inner wall of the top of the feeding box is hinged with a speed reduction plate, the outer wall of one side of the speed reduction plate is fixedly connected with a second spring, and one end of the second spring is fixedly connected with the inner wall of the other side of the feeding box.

As a further improvement scheme of the technical scheme: fixedly connected with is the telescopic link that the rectangle distributes between mounting panel and the feeding case, the outer wall of telescopic link has cup jointed spring one.

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

1. put into raw and other materials plastic pellet in the storage hopper, open the valve during the feed, and then can enter into the feeding case, the raw and other materials that accord with the particle diameter will fall from the sieve, then enter into the extruder from the feed cylinder, and the raw and other materials of the agglomeration caking will enter into conveying mechanism, enter into rubbing crusher structure from conveying mechanism again and carry out shredding, then in getting back to the storage hopper, so relapse, when just so can ensure feed speed, the raw and other materials that can also make the agglomeration caking get into smoothly, can not influence the processing progress.

2. When raw materials in the storage hopper enter the feeding box, the speed of the raw materials in the feeding box can be reduced under the action of the second spring and the speed reduction plate, and the raw materials can be prevented from falling into the conveying mechanism too fast.

3. The rotation of motor can make the device produce vibrations, under the effect of spring one and telescopic link, its vibrations of buffering that can be great have guaranteed the stability of device.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of a feeding device of a conical twin-screw extruder according to the present invention;

FIG. 2 is an enlarged schematic structural view of the feeding device A of the conical twin-screw extruder provided by the present invention;

FIG. 3 is a schematic cross-sectional view of a feeding device of a conical twin-screw extruder according to the present invention;

fig. 4 is an enlarged schematic structural diagram of a feeding device B of a conical twin-screw extruder provided by the utility model.

In the drawings, the components represented by the respective reference numerals are listed below:

1. mounting a plate; 2. a feeding box; 3. a storage hopper; 4. a material return pipe; 5. a rotating shaft; 6. a belt; 7. a delivery cartridge; 8. a connecting cylinder; 9. a motor; 10. a feeding cylinder; 11. a leakage-proof sleeve; 12. a first spring; 13. a telescopic rod; 14. a sieve plate; 15. a crushing blade; 16. a screw conveying shaft; 17. a second spring; 18. a speed reduction plate;

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

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 a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, in an embodiment of the present invention, a feeding device of a conical twin-screw extruder includes a mounting plate 1, a feeding box 2 is disposed above the mounting plate 1, a first mounting hole is formed above the feeding box 2, a storage hopper 3 is fixedly connected to an inner wall of the first mounting hole, a crushing mechanism is disposed on an outer wall of one side of the storage hopper 3, a valve is disposed on an outer wall of the storage hopper 3, a second mounting hole is formed on an outer wall of a bottom of the feeding box 2, a feeding cylinder 10 is fixedly connected to an inner wall of the second mounting hole, a third mounting hole is formed on an outer wall of a top of the mounting plate 1, a leakage-proof sleeve 11 is fixedly connected to an inner wall of the third mounting hole, the feeding cylinder 10 is sleeved inside the leakage-proof sleeve 11, a sieve plate 14 is fixedly connected to an inner wall of the feeding box 2, a conveying mechanism is disposed on an outer wall of one side of the feeding box 2, raw material plastic granules are placed into the storage hopper 3, the valve is opened during feeding, and then can enter into feeding box 2, the raw and other materials that accord with the particle diameter will fall from sieve 14, then enter into the extruder from feed cylinder 10, and the raw and other materials of the caking of embracing will enter into conveying mechanism, enter into rubbing crusher structure from conveying mechanism again and carry out shredding, then in getting back to storage hopper 3, so relapse, when just so can guaranteeing feed speed, can also make the raw and other materials of the caking of embracing smoothly get into, can not influence the processing progress.

Referring to fig. 3, the conveying mechanism includes a conveying cylinder 7, the inner walls of the top and bottom of the conveying cylinder 7 are connected with a spiral conveying shaft 16 through bearings, and the spiral conveying shaft 16 can convey the material at the bottom of the conveying cylinder 7 to the upper side.

Referring to fig. 3, a motor 9 is fixedly connected to an outer wall of the bottom of the conveying cylinder 7, one end of an output shaft of the motor 9 is fixedly connected to a spiral conveying shaft 16, and the motor 9 drives the spiral conveying shaft 16 to rotate.

Referring to fig. 3, a fourth mounting hole is formed below the outer wall of the conveying cylinder 7, a connecting cylinder 8 is fixedly connected to the inner wall of the fourth mounting hole, the connecting cylinder 8 is fixedly connected and communicated with the feeding box 2, and agglomerated raw materials enter the conveying cylinder 7 from the connecting cylinder 8.

Referring to fig. 3, the crushing mechanism includes a material return pipe 4, two ends of the material return pipe 4 are respectively fixedly connected and communicated with the storage hopper 3 and the conveying cylinder 7, an outer wall of the material return pipe 4 is connected with a rotating shaft 5 through a bearing, and the material above the conveying cylinder 7 can enter the material return pipe 4.

Referring to fig. 3, the outer wall of the rotating shaft 5 is fixedly connected with a crushing blade 15, one end of the rotating shaft 5 and one end of the spiral conveying shaft 16 are both sleeved with a rotating roller, the outer walls of the two rotating rollers are sleeved with the same belt 6, and the rotation of the spiral conveying shaft 16 can drive the rotating shaft 5 to rotate through the belt 6.

Referring to fig. 4, a speed reduction plate 18 is hinged to the inner wall of the top of the feeding box 2, a second spring 17 is fixedly connected to the outer wall of one side of the speed reduction plate 18, one end of the second spring 17 is fixedly connected to the inner wall of the other side of the feeding box 2, and under the action of the second spring 17 and the speed reduction plate 18, the speed of raw materials entering the feeding box 2 can be reduced, so that the raw materials can be prevented from falling too fast into the conveying mechanism.

Referring to fig. 2, a telescopic rod 13 which is distributed in a rectangular shape is fixedly connected between the mounting plate 1 and the feeding box 2, a spring i 12 is sleeved on the outer wall of the telescopic rod 13, the rotation of the motor 9 can enable the device to vibrate, and the vibration of the device can be greatly buffered under the action of the spring i 12 and the telescopic rod 13, so that the stability of the device is ensured.

The utility model discloses a theory of operation is:

the device passes through mounting panel 1 and installs the suitable position at the extruder, during the operation, put into storage hopper 3 raw and other materials plastic pellet, open the valve during the feed, and then can enter into feeding box 2, under the effect of spring two 17 and speed reduction board 18, can make the speed that the raw materials got into in feeding box 2 reduce, the raw and other materials that accord with the particle diameter will fall down from sieve 14, then enter into the extruder from feeding cylinder 10, and the raw and other materials of cohesive lump will enter into in the feed cylinder 7 from connecting cylinder 8, motor 9 drives auger delivery axle 16 and rotates, and then can make the raw materials rise then enter into feed back pipe 4 in, pivot 5 also can rotate along with it under the effect of belt 6, crushing blade 15 in the pivot 5 smashes the raw and other materials of cohesive lump, then fall into storage hopper 3 again, so relapse.

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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The feeding device of the conical double-screw extruder comprises a mounting plate (1) and is characterized in that a feeding box (2) is arranged above the mounting plate (1), a first mounting hole is formed above the feeding box (2), a storage hopper (3) is fixedly connected to the inner wall of the first mounting hole, a crushing mechanism is arranged on the outer wall of one side of the storage hopper (3), a valve is arranged on the outer wall of the storage hopper (3), a second mounting hole is formed in the outer wall of the bottom of the feeding box (2), a feeding cylinder (10) is fixedly connected to the inner wall of the second mounting hole, a third mounting hole is formed in the outer wall of the top of the mounting plate (1), a leakage-proof sleeve (11) is fixedly connected to the inner wall of the third mounting hole, the feeding cylinder (10) is sleeved inside the leakage-proof sleeve (11), and a sieve plate (14) is fixedly connected to the inner wall of the feeding box (2), and a conveying mechanism is arranged on the outer wall of one side of the feeding box (2).

2. Feeding device of a conical twin-screw extruder according to claim 1, characterized in that the conveying mechanism comprises a conveying cylinder (7), and the top and bottom inner walls of the conveying cylinder (7) are connected with a spiral conveying shaft (16) through bearings.

3. The feeding device of the conical twin-screw extruder in claim 2 is characterized in that the outer wall of the bottom of the conveying cylinder (7) is fixedly connected with a motor (9), and one end of an output shaft of the motor (9) is fixedly connected with the spiral conveying shaft (16).

4. The feeding device of the conical twin-screw extruder as claimed in claim 2, wherein a fourth mounting hole is formed below the outer wall of the conveying cylinder (7), a connecting cylinder (8) is fixedly connected to the inner wall of the fourth mounting hole, and the connecting cylinder (8) is fixedly connected and communicated with the feeding box (2).

5. The feeding device of the conical twin-screw extruder according to claim 1, wherein the crushing mechanism comprises a material return pipe (4), two ends of the material return pipe (4) are respectively fixedly connected and communicated with the storage hopper (3) and the conveying cylinder (7), and the outer wall of the material return pipe (4) is connected with a rotating shaft (5) through a bearing.

6. The feeding device of the conical twin-screw extruder according to claim 5, characterized in that the outer wall of the rotating shaft (5) is fixedly connected with a crushing blade (15), one end of the rotating shaft (5) and one end of the spiral conveying shaft (16) are sleeved with rotating rollers, and the outer walls of the two rotating rollers are sleeved with the same belt (6).

7. The feeding device of the conical twin-screw extruder is characterized in that the inner wall of the top of the feeding box (2) is hinged with a deceleration plate (18), the outer wall of one side of the deceleration plate (18) is fixedly connected with a second spring (17), and one end of the second spring (17) is fixedly connected with the inner wall of the other side of the feeding box (2).

8. The feeding device of the conical twin-screw extruder according to claim 1, wherein telescopic rods (13) which are distributed in a rectangular shape are fixedly connected between the mounting plate (1) and the feeding box (2), and a first spring (12) is sleeved on the outer wall of each telescopic rod (13).