CN216296236U - Granulating machine - Google Patents

Abstract

The utility model relates to the technical field of granulators, and provides a granulator which at least comprises: the first feeding box is arranged along the horizontal direction, and a feeding hole is formed in the first feeding box; the second feeding box is arranged along the vertical direction, and a feeding hole of the second feeding box is communicated with a discharging hole of the first feeding box; further comprising: and the plugging piece is arranged in the first feeding box, is positioned at one end of the first feeding box far away from the second feeding box and is suitable for plugging a feeding blind area in the first feeding box. The granulator provided by the utility model is provided with the plugging piece, so that the feeding blind area in the first feeding box can be plugged, materials cannot be accumulated or remain in the feeding blind area, and the materials entering from the first feeding box can basically enter the second feeding box even if small-scale production is carried out, so that higher yield is ensured finally, and the applicability of the granulator can be improved.

Description

Granulating machine

Technical Field

The utility model relates to the technical field of granulators, in particular to a granulator.

Background

The dry granulation is a granulation mode which does not need to use any additive in the granulation process and can prepare granules with required particle size according to different requirements.

At present, the dry type granulator on the domestic market has a feeding structure comprising a first feeding box and a second feeding box, wherein the first feeding box is horizontally arranged, the second feeding box is vertically arranged, materials enter the second feeding box after being conveyed, and then the materials fall into a roller extrusion structure for extrusion. This feeding structure utilizes first pay-off box to gather the material and gather together, improves the material density who enters into in the second pay-off box, is favorable to improving pelletization efficiency. However, because first pay-off box sets up along the horizontal direction, the material piles up or remains in first pay-off box easily, especially when material output is less than 10 kilograms, because of the material that is detained in first pay-off box is more, makes the output of granulator very low, leads to its use to have certain limitation.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the utility model is that the granulator in the prior art is provided with a first feeding box arranged along the horizontal direction, so that materials are easy to accumulate or remain in the first feeding box, and especially when the material yield is less than 10 kg, the granulator is very low in yield due to more materials staying in the first feeding box, so that the granulator has certain limitation in use, thereby providing the granulator.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

the utility model provides a granulator, at least comprising: the first feeding box is arranged along the horizontal direction, and a feeding hole is formed in the first feeding box; the second feeding box is arranged along the vertical direction, and a feeding hole of the second feeding box is communicated with a discharging hole of the first feeding box; further comprising: and the plugging piece is arranged in the first feeding box, is positioned at one end of the first feeding box far away from the second feeding box and is suitable for plugging a feeding blind area in the first feeding box.

Further, the first feeding box comprises a first screw rod, a first shell and a first driving piece; the first driving piece is positioned at one end, far away from the second feeding box, of the first shell, and the first driving piece is connected with the first shell through a first flange; the first screw rod is inserted in the first shell and is connected with the first driving piece; the plugging piece is of an annular structure, is sleeved at one end of the first screw rod close to the first driving piece and is suitable for plugging a gap between the first screw rod and the first shell; the side wall of the first shell is provided with a first opening, and the position of the first opening is located between the plugging piece and the second feeding box along the axial direction of the first shell.

Further, the granulator also comprises a feeding hopper, wherein the feeding hopper is communicated with the first opening, so that materials enter the first shell through the feeding hopper; the side wall of the feeding hopper is provided with a vibrator which is suitable for accelerating the material flow.

Further, the distance between the blades of the first screw rod and the inner wall of the first shell ranges from 0.5mm to 1 mm.

Further, the second feeding box comprises a second screw rod, a second shell and a second driving piece; the second screw rod is inserted into the second shell; the second driving piece is positioned at one end of the second shell and is connected with the second screw rod; and a second opening is formed in the side wall of the second shell, and the first shell is communicated with the second opening through a second flange.

Furthermore, an exhaust port is arranged on the side wall of the second shell and communicated with the outside; the position of the exhaust port is higher than the position of the second opening.

Further, the first screw rod is a single-helix screw rod; the second screw is a double-helix screw.

Further, the ratio of the feeding speed of the first screw rod to the feeding speed of the second screw rod ranges from 1.2 to 1.5.

Further, the second driving piece is connected with the second screw rod through a coupler.

Further, the granulator also comprises a roller extrusion structure and a whole granule structure; the feed inlet of the roller extrusion structure is communicated with the discharge outlet of the second feeding box and is suitable for extruding powdery materials into flaky materials; the feeding hole of the whole grain structure is communicated with the discharging hole of the roller extrusion structure, and the roller extrusion structure is suitable for making flaky materials into granular materials.

The technical scheme of the utility model has the following advantages:

the granulator provided by the utility model is provided with the plugging piece, so that the feeding blind area in the first feeding box can be plugged, materials cannot be accumulated or remain in the feeding blind area, and the materials entering from the first feeding box can basically enter the second feeding box even if small-scale production is carried out, so that higher yield is ensured finally, and the applicability of the granulator can be improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of the overall structure of a pelletizer in an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a schematic view of the operational state of a pelletizer in an embodiment of the present invention;

FIG. 4 is a schematic view of a first feed magazine and a second feed magazine in a pelletizer in accordance with an embodiment of the present invention;

fig. 5 is a schematic view of a first feed magazine and a loading hopper in a granulator according to an embodiment of the present invention.

Description of reference numerals:

1. a frame; 2. A first feeding box; 3. A second feeding box;

4. a roller extrusion structure; 5. Finishing the grain structure; 6. A first driving member;

7. a second driving member; 8. Feeding a hopper; 9. A first screw rod;

10. a second screw rod; 11. A first housing; 12. A second housing;

13. an exhaust port; 14. Filling and blocking parts; 15. A first opening;

16. a second opening; 17. A first flange; 18. A second flange;

19. a coupling; 20. A vibrator.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Fig. 1 is a schematic view of an overall structure of a granulator according to an embodiment of the present invention, fig. 2 is an enlarged view of a portion of the structure of fig. 1, and fig. 3 is a schematic view of an operating state of the granulator according to an embodiment of the present invention, as shown in fig. 1, fig. 2, and fig. 3, in which the embodiment provides a granulator including: the automatic feeding device comprises a rack 1, wherein a first feeding box 2 is arranged on the rack 1 along the horizontal direction, and a feeding hole is formed in the first feeding box 2; the second feeding box 3 is arranged along the vertical direction, and a feeding hole of the second feeding box 3 is communicated with a discharging hole of the first feeding box 2; the granulator also comprises a roller extrusion structure 4 and a whole grain structure 5; the feed inlet of the roller extrusion structure 4 is communicated with the discharge outlet of the second feeding box 3 and is suitable for extruding the powdery material into a sheet material; the feed inlet of the whole grain structure 5 is communicated with the discharge outlet of the roller extrusion structure 4, and is suitable for making the flaky materials into granular materials.

Wherein the first feeding box 2 comprises a first screw rod 9, a first shell 11 and a first driving piece 6; wherein the second magazine 3 comprises a second screw 10, a second housing 12 and a second drive 7.

The first housing 11 is disposed in a horizontal direction, and the second housing 12 is disposed in a vertical direction, which are perpendicular to each other. The first driver 6 is located at an end of the first housing 11 remote from the second housing 12. For example, the first drive member 6 may be a gear box, the housing of which may be detachably connected to the first housing 11 by means of the first flange 17 and bolts. The first screw rod 9 is inserted in the first shell 11, and the output shaft of the gear box is connected with the first screw rod 9, and the first screw rod 9 is driven to rotate by the gear box.

Fig. 4 is a schematic diagram of a first feeding box and a second feeding box in the granulator according to the embodiment of the present invention, and as shown in fig. 4, since the first housing 11 is horizontally disposed, materials may be accumulated or remain at a position where the first screw 9 cannot be agitated. Therefore, it is necessary to provide a filler 14 in the first casing 11 to fill the dead zone of the first screw 9. For example, the plugging member 14 may be a ring-shaped structure, which is sleeved on one end of the first screw rod 9 close to the first driving member 6, and the size of the plugging member 14 may be designed according to the size of the space between the inner diameter of the first screw rod 9 and the inner wall of the first housing 11, so as to plug the gap between the first screw rod 9 and the first housing 11; the location of the caulking element 14 in the first housing 11 forms a sealed surface so that the material cannot flow in the direction of the approach of the first drive element 6. Wherein, the sidewall of the first housing 11 is provided with a first opening 15, along the axial direction of the first housing 11, the position of the first opening 15 is located between the plugging member 14 and the second housing 12, and due to the existence of the plugging member 14, the material entering the first housing 11 from the first opening 15 can only move towards the direction close to the second housing 12. Wherein the plugging member 14 may be a teflon sleeve.

Wherein the second screw rod 10 is inserted into the second housing 12; the second actuator 7 may be disposed at the top of the second housing 12, and the bottom of the second housing 12 is connected to the roll press 4. The second driving piece 7 can be a speed reducing motor, an output shaft of the speed reducing motor is connected with the second screw rod 10, and the speed reducing motor can drive the second screw rod 10 to rotate when rotating, so that materials can move downwards and enter the roller extrusion structure 4. Wherein the rotation speed of the second driving element 7 for driving the second screw rod 10 is continuously adjustable within the range of 10rpm-85 rpm.

Wherein, be provided with second opening 16 on the lateral wall of second casing 12, second opening 16 can be close to the top setting of second casing 12, and the size of second opening 16 can be according to the size design of first casing 11, and first casing 11 stretches to second opening 16, and both can be through second flange 18 and bolt detachable connection. So set up, can be convenient for wash when maintaining to its assembly and disassembly.

The granulator that this embodiment provided is provided with and fills up stifled 14, can fill up the pay-off blind area in the first pay-off box 2, makes the material can not pile up or remain in the pay-off blind area, even carry out small-scale production, in the material that gets into from first pay-off box 2 can all enter into second pay-off box 3 basically, guarantees finally to have higher output rate to can improve this granulator's suitability.

Fig. 5 is a schematic view of a first feeding box and a feeding hopper in the granulator according to the embodiment of the present invention, as shown in fig. 5, wherein, for the convenience of feeding, the feeding hopper 8 may be provided, the feeding hopper 8 is communicated with the first opening 15, the feeding hopper 8 and the second housing 12 are arranged in parallel, and when in use, materials may be poured into the feeding hopper 8, so that the materials enter the first housing 11 through the feeding hopper 8. Furthermore, a vibrator 20 may be provided on a sidewall of the upper hopper 8, the vibrator 20 may be a pneumatic vibrator 20, and when the vibrator 20 vibrates, the upper hopper 8 vibrates, which is beneficial to accelerating the downward flow of the material.

Wherein, the distance between the blades on the first screw rod 9 and the inner wall of the first shell 11 is 0.5mm-1 mm. For example, the distance between the outermost side of the blades on the first screw bar 9 and the inner wall of the first housing 11 may be 0.8 mm. Similarly, the distance between the blades of the second screw rod 10 and the inner wall of the second shell 12 is in the range of 0.5mm to 1 mm. For example, the distance between the outermost side of the blades on the second screw bar 10 and the inner wall of the second housing 12 may be 0.8 mm. With this arrangement, the first feed cassette 2 can reduce the amount of material remaining in the first housing 11, and the second feed cassette 3 can accelerate the speed at which the material falls in the second housing 12.

An exhaust port 13 is arranged on the side wall of the second housing 12, the exhaust port 13 is communicated with the outside, and the position of the exhaust port 13 is higher than the position of the second opening 16. Wherein, the exhaust port 13 can be externally connected with a pipeline, and a respirator is arranged at the pipe orifice. So set up, second casing 12 can exhaust naturally through gas vent 13, need not additionally to set up the exhaust pump, is favorable to reduce cost. In consideration of the effect, the air exhaust effect is the best when the material is vertically downward, the direction of the extruded air is consistent with the natural ascending direction of the material, the air exhaust is facilitated, the compactness of the material before pressing is ensured, and the purpose of uniform and stable feeding is achieved.

Wherein, the first screw rod 9 can be a screw rod with a single spiral line; the second screw 10 may be a double-helix screw, which may make the transportation of the material more uniform and stable. Wherein the ratio of the feeding speed of the first screw rod 9 to the feeding speed of the second screw rod 10 ranges from 1.2 to 2. For example, when the feeding speed of the second screw 10 is 10rpm, the feeding speed of the first screw 9 is 12 rpm. For example, the pitch of the second screw 10 may be 45mm and the pitch of the first screw 9 may be 25 mm. The first screw rod 9 and the second screw rod 10 have the same blade diameter, so that the conveying capacity of the second screw rod 10 is 1.8 times that of the first screw rod 9 at the same rotating speed.

Wherein, when the first screw rod 9 is used for conveying materials, pressure is generated on the materials for entering a pressing area of the press rolls, and the materials generate extrusion pressure between the press rolls and form sheets through gaps between the press rolls by adjusting the second screw rod 10 to operate at a proper speed. If the rotation speed of the second screw rod 10 is too high, the material is pushed more, so that a larger pressure is generated, and the material is blocked, so that the rotation speed of the second screw rod 10 and the rotation speed of the roller need to be matched. In order to ensure the normal transportation of the material, the rotation speed of the second screw rod 10 is firstly set in the starting process, then the first screw rod 9 is started to gradually increase the rotation speed, and the material rolling condition is continuously observed in the process so as to obtain more appropriate operation parameters. The stopping process is to pause the first screw rod 9 and then the second screw rod 10.

The second driving member 7 and the second screw rod 10 can be connected through a coupling 19, so that the phenomenon that the reaction force collides with the second driving member 7 due to material rotation blockage is avoided.

Wherein, roll extrusion structure 4 includes two parallel arrangement's roll, and the clearance between two rolls can be adjusted as required, can form triangular region of gathering materials between two rolls and the second casing 12, and the rotation direction of two rolls is opposite, all rotates towards the direction that faces each other, when the material falls down from second casing 12, enters into the region of gathering materials, forms the slice material after the extrusion.

Wherein, the whole grain structure 5 is positioned at the lowest position, and after the flaky material falls into the whole grain structure 5, the flaky material is made into granular material with increased bulk density and improved fluidity, and finally discharged from a discharge port of the whole grain structure 5. The whole granulating process is finished in a closed cavity, and materials are always isolated from the outside in the pressing process, so that the cleanness and no pollution are ensured.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims (10)

1. A granulator comprising at least: the first feeding box is arranged along the horizontal direction, and a feeding hole is formed in the first feeding box; the second feeding box is arranged along the vertical direction, and a feeding hole of the second feeding box is communicated with a discharging hole of the first feeding box; it is characterized by also comprising:

and the plugging piece is arranged in the first feeding box, is positioned at one end of the first feeding box far away from the second feeding box and is suitable for plugging a feeding blind area in the first feeding box.

2. The pelletizer according to claim 1,

the first feeding box comprises a first screw rod, a first shell and a first driving piece;

the first driving piece is positioned at one end, far away from the second feeding box, of the first shell, and the first driving piece is connected with the first shell through a first flange;

the first screw rod is inserted in the first shell and is connected with the first driving piece;

the plugging piece is of an annular structure, is sleeved at one end of the first screw rod close to the first driving piece and is suitable for plugging a gap between the first screw rod and the first shell;

the side wall of the first shell is provided with a first opening, and the position of the first opening is located between the plugging piece and the second feeding box along the axial direction of the first shell.

3. The pelletizer according to claim 2,

the feeding hopper is communicated with the first opening, so that materials enter the first shell through the feeding hopper;

the side wall of the feeding hopper is provided with a vibrator which is suitable for accelerating the material flow.

4. The pelletizer according to claim 2,

the distance between the blades of the first screw rod and the inner wall of the first shell ranges from 0.5mm to 1 mm.

5. The granulator according to any of the claims 2 to 4,

the second feeding box comprises a second screw rod, a second shell and a second driving piece;

the second screw rod is inserted into the second shell;

the second driving piece is positioned at one end of the second shell and is connected with the second screw rod;

and a second opening is formed in the side wall of the second shell, and the first shell is communicated with the second opening through a second flange.

6. The pelletizer according to claim 5,

an exhaust port is formed in the side wall of the second shell and communicated with the outside;

the position of the exhaust port is higher than the position of the second opening.

7. The pelletizer according to claim 5,

the first screw rod is a single-helix screw rod;

the second screw is a double-helix screw.

8. The pelletizer according to claim 7,

the ratio of the feeding speed of the first screw rod to the feeding speed of the second screw rod ranges from 1.2 to 1.5.

9. The pelletizer according to claim 5,

the second driving piece is connected with the second screw rod through a coupler.

10. The pelletizer according to claim 1,

the device also comprises a roller extrusion structure and a whole grain structure;

the feed inlet of the roller extrusion structure is communicated with the discharge outlet of the second feeding box and is suitable for extruding powdery materials into flaky materials;

the feeding hole of the whole grain structure is communicated with the discharging hole of the roller extrusion structure, and the roller extrusion structure is suitable for making flaky materials into granular materials.

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