CN215849069U - Cooling granulator - Google Patents

Abstract

The utility model relates to a cooling granulator which comprises a feeding assembly, a granulating assembly and a refrigerating assembly, wherein the feeding assembly is provided with a conveying surface and a cutting table for conveying materials, the cutting table is connected to the conveying tail end of the conveying surface, the cutting table and the conveying surface are in the same level, and a tool withdrawal groove is formed in the cutting table; the granulating assembly comprises a rack and a rotary cutter set, the rotary cutter set is rotatably arranged on the rack, and the tool withdrawal groove is positioned on the rotating track of the rotary cutter set; the refrigeration assembly comprises a refrigeration fan, a cooling pool for cooling the cutter and a dryer for drying moisture of the cutter, an air outlet of the refrigeration fan is arranged towards the conveying surface and used for providing air for reducing the temperature of materials conveyed on the conveying surface, the cooling pool is located on the rotating track of the rotating cutter set, and the dryer is arranged on one side of the rotating cutter set. According to the utility model, the refrigeration assembly is arranged to respectively cool the material before cutting and the cutter, so that the cutter is prevented from being easily worn when working at a high temperature, and the service life of the cutter is prolonged.

Description

Cooling granulator

Technical Field

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

Background

The granulation process is to mix and disperse the raw materials such as resin, characteristic materials, auxiliary agents and the like to prepare solid particles with certain size and shape and good uniformity. After the extruder extrudes the material, the material still has certain temperature, and even the state of half flow is difficult to the shaping at the eager grain in-process to the cutter contacts high temperature material for a long time, and cutter surface temperature becomes very high, causes the damage of cutter easily, influences and cuts grain efficiency.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to provide a cooling pelletizer to solve the problem in the prior art that the temperature of the material to be pelletized is high, which causes the temperature of the cutter to be too high and is easy to damage.

The utility model provides a cooling granulator which comprises a feeding assembly, a granulating assembly and a refrigerating assembly, wherein the feeding assembly is provided with a conveying surface and a cutting table, the conveying surface is used for conveying materials, the cutting table is connected to the conveying tail end of the conveying surface, the cutting surface of the cutting table and the conveying surface are positioned on the same horizontal plane, and a tool withdrawal groove is formed in the cutting surface of the cutting table; the granulating assembly comprises a rack and a rotary cutter set, the rotary cutter set is rotatably arranged on the rack, the tool withdrawal groove is positioned on a rotating track of the rotary cutter set, the rotary cutter set has a working state and a cooling state, the working state is realized when the rotary cutter set is abutted against a cutting surface for granulating, the cooling state is realized when the rotary cutter set is far away from the cutting table, and the rotary cutter set is mutually switched between the working state and the cooling state; the cooling assembly comprises a cooling fan, a cooling pool and a dryer, the cooling pool is used for cooling the cutter, the dryer is used for drying moisture of the cutter, an air outlet of the cooling fan faces the conveying surface and is used for providing air for the material conveyed on the conveying surface to reduce the temperature of the material, the cooling pool is located on the rotating track of the rotating cutter set, and the dryer is arranged on one side of the rotating cutter set.

Furthermore, the feeding assembly further comprises baffle plates, and the baffle plates are arranged on two sides of the conveying surface along the conveying direction of the conveying surface and used for preventing materials from being separated from the conveying surface in the air cooling process.

Further, the baffle is hollow.

Furthermore, rotatory knife tackle includes blade holder, first driving piece and a plurality of cutter, the blade holder rotatable install in the frame, the drive end of first driving piece connect in the blade holder for the blade holder provides one and makes its pivoted power, and is a plurality of the cutter install in the surface of blade holder and along blade holder circumference interval evenly distributed.

Further, the plurality of cutters are centrosymmetric with respect to the rotation axis of the cutter holder.

Furthermore, the rotation center of the tool apron and the conveying surface are located at the same height.

Further, one end of the tool withdrawal groove close to the cutting knife is opened, and the cutting knife rotates along the tool withdrawal groove to leave the cutting table when being switched from the working state to the cooling state.

Furthermore, the liquid level of the cooling liquid in the cooling pool can just submerge the cutter which is still at the station at the lowest end of the cutter holder.

Further, install the multi-beam brush in the cooling bath, be used for the clearance residual stain on the cutter.

Further, the dryer is fixedly mounted on the rack and located at a lower position of the cooling pool relative to the rotation direction of the rotary knife set.

Compared with the prior art, the cooling granulator adopted by the utility model has the advantages that the cooling fan is arranged to cool the conveyed materials, the cutter is rapidly rotated into the cooling pool for cooling after the cutting is finished, and then the cooling liquid on the cutter is dried by the dryer, so that the cutter is prevented from being easily damaged in a high-temperature environment for a long time, the cutter is effectively protected, and the service life of the cutter is prolonged.

The foregoing is a summary of the present invention, and in order to provide a clear understanding of the technical means of the present invention and to be implemented in accordance with the present specification, the following is a detailed description of the preferred embodiments of the present invention.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of a cooling pelletizer according to the present invention;

FIG. 2 is a schematic structural view of another embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a feeding assembly according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a forward structure according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a rotary cutter set according to an embodiment of the present invention;

fig. 6 is a schematic side view of an embodiment of the present invention;

FIG. 7 is a schematic view of the cutting table of an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a cooling pool according to an embodiment of the present invention.

Detailed Description

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the utility model and together with the description, serve to explain the principles of the utility model and not to limit the scope of the utility model.

As shown in fig. 1 and fig. 2, the cooling granulator provided by the present invention includes a feeding component 1, a granulating component 2, and a refrigerating component 3, wherein the refrigerating component 3 cools and cools the material conveyed by the feeding component 1 and the cutter in the granulating component 2, so as to avoid damage caused by an excessively high temperature of the cutter; the feeding assembly 1 is provided with a conveying surface 11 for conveying materials and a cutting table 12, the cutting table 12 is connected to the conveying tail end of the conveying surface 11, the cutting surface of the cutting table 12 and the conveying surface 11 are located on the same horizontal plane, and a tool withdrawal groove 121 is formed in the cutting surface of the cutting table 12.

Wherein the conveying head end of the conveying surface 11 abuts the extrusion end of the extruder, it is understood that the conveying surface is a structure, such as the upper surface of a conveyor belt, as would occur to a person skilled in the art.

Wherein, cutting table 12 butt in conveying face 11 to the width of cutting surface is not less than the width of conveying face 11, is convenient for carry out eager grain operation to the material, and in this embodiment, cutting table 12 is the same width with conveying face 11.

As a preferred embodiment, as shown in fig. 3, the feeding assembly 1 further includes baffle plates 13, and the baffle plates 13 are installed on two sides of the conveying surface 11 along the conveying direction of the conveying surface 11 and are used for blocking the materials from separating from the conveying surface 11 during the air cooling process.

The baffle 13 is in a hollow form, so that heat can be conveniently evacuated; the baffle 13 may be an integral plate material arranged along the conveying direction, or may be a segmented partition or a column arranged at intervals along the conveying direction, and it should be understood that the baffle can be used to position the material on the conveying surface 11 without falling off.

As shown in fig. 4, the dicing assembly 2 includes a frame 21 and a rotary cutter group 22, the rotary cutter group 22 is rotatably mounted on the frame 21, the rotary cutter group 22 has an operating state and a cooling state, the operating state is when the rotary cutter group 22 abuts against a cutting surface to perform dicing, the cooling state is when the rotary cutter group 22 is away from the cutting table 12, and the rotary cutter group 22 is switched between the operating state and the cooling state.

As shown in fig. 5, the rotary knife assembly 22 includes a knife holder 221, a first driving member 222, and a plurality of cutting knives 223, the knife holder 221 is rotatably mounted on the frame 21, a driving end of the first driving member 222 is connected to the knife holder 221 for providing a force to the knife holder 221 to rotate, and the plurality of cutting knives 223 are mounted on an outer surface of the knife holder 221 and are uniformly distributed along a circumferential direction of the knife holder 221.

When the rotary cutter group 22 is in a working state, any one cutter 223 is in contact with the cutting surface of the cutting table 12, and the other cutters 223 rotate to positions far away from the cutting table 12 for cooling; specifically, the cutter 223 generates gravity from top to bottom through rotating to cut the material on the cutting table 12, the rotation center of the cutter holder 221 and the cutting surface are at the same horizontal height, the plurality of cutters 223 are perpendicularly installed on the cutter holder 221, any one cutter 223 contacts with the cutting table 12 in the horizontal state, and the maximization of the cutting area of the cutter 223 and the cutting surface is guaranteed.

The first driving member 222 can be a driving motor or a hydraulic motor, and in this embodiment, the first driving member 222 is a driving motor.

As a preferred embodiment, as shown in fig. 6, the plurality of cutters 223 are centrally symmetrical with respect to the rotational axis of the holder 221.

Wherein, cutter 223 is symmetrical about the rotation axis central symmetry of blade holder 221, and it is the same to have guaranteed that the time difference when cutting grain subassembly and switching between arbitrary operating condition and cooling state is the same, is convenient for set for the conveying speed of conveyer belt 11 to can cut the material into the granular shape of relative size as required.

As a preferred embodiment, the cutting knife 223 in the working state corresponds to the position of the relief groove 121.

As shown in fig. 6 and 7, the opening direction of the tool withdrawal groove 121 is consistent with the contact direction of the cutting knife 223 and the cutting table 12, and one end of the tool withdrawal groove 121 close to the cutting knife 223 is open; moreover, when the contact area between the cutting knife 223 and the cutting table 12 is smaller than the width of the cutting table 12, one end of the tool withdrawal groove 121 far away from the cutting knife 223 can be in a closed shape or an open shape, as long as the length of the tool withdrawal groove 121 can be ensured to be larger than the contact length between the cutting knife 223 and the cutting table 12; when the length of the cutting knife 223 on the cutting table 12 is larger than the width of the cutting table 12, the end of the tool withdrawal groove 121 far away from the cutting knife 223 is open.

Specifically, when the cutter 223 contacts the cutting table 12, the lower part of the cutter 223 is a hollow structure, and after the cutting of the particles is completed, the cutter 223 can rotate along the hollow tool withdrawal groove 121 to leave the cutting table and switch to a cooling state.

The refrigerating assembly 3 comprises a refrigerating fan 31, a cooling pool 32 for cooling the cutter and a dryer 33 for drying the moisture of the cutter, an air outlet of the refrigerating fan 31 faces the conveying surface 11 and is used for providing air for the material conveyed on the conveying surface 11 to reduce the temperature of the material, the cooling pool 32 is arranged at the bottom of the rotary cutter group 2, and the dryer 33 is arranged on one side of the rotary cutter group 2.

In this embodiment, the fixed end of the cooling fan 31 is connected to the frame 21, and the air outlet is disposed over the conveying surface 11.

In a preferred embodiment, the liquid level of the cooling liquid in the cooling pool 32 is just capable of submerging the cutting knife 223 which is stationary at the lowest station of the knife holder 221.

The cooling pool 32 is disposed right below the rotary cutter group 22, and when the cutter 223 is switched from the working state to the cooling state, the cutter enters the cooling pool 32 for cooling.

Specifically, in the present embodiment, the cooling pool 32 is a cylindrical container, the height of the cooling pool 32 is lower than the height of the cutting knife 223 when the cutting table 12 is withdrawn, and the diameter of the cooling pool 32 is large enough to ensure that the cutting knife 223 enters from one end of the cooling pool 32 and contacts the outer wall of the cooling pool 32 to damage the cutting knife 223 when the cutting knife 223 is unscrewed from the other end.

In a preferred embodiment, as shown in fig. 8, at least one bundle of brushes 4 is installed in the cooling tank 32 for cleaning the residual stain on the cutter 223.

Wherein, in this embodiment, the quantity of brush 4 is 3 bundles, and 3 bundles of brushes are dispersed and are arranged in cooling tank 32, because the material is the semiflow state, when cutter 223 cut the material, may be stained with the material, consequently, through set up brush 4 in cooling tank 32, can both cool down the cutter, can clean cutter 223 again.

In a preferred embodiment, the dryer 33 is fixedly installed on the frame 21 and located at a lower position of the cooling pool 32 relative to the rotation direction of the rotary knife assembly 22.

Wherein, through setting up drying-machine 33, can dry the moisture on the cutter 223 after the cooling, guarantee that cutter 223 is in work in the dry environment, be favorable to improving cutter 223's work efficiency.

In order to facilitate a better understanding of the embodiments of the present application, the following detailed description is provided for the use of the embodiments of the present application:

the refrigeration fan 31 is started to cool materials on the conveying surface 11, the first driving piece 222 is started to drive the cutter 223 to rotate, when the cutter 223 rotates to be in contact with the cutting table 12, the material is cut into granules under the working state, the cutter 223 cuts the materials into granules, after the granules are cut, the cutter 223 rotates along the tool withdrawal groove to leave the cutting table 12, and the granules are in the cooling state at the moment; the cutter 223 after accomplishing once cutting grain gets into cooling tank 32 immediately and cools off, rotates to drying-machine 33 department afterwards and dries, and next cutter 223 rotates to and cuts grain with cutting bed 12 contact, cuts grain process and switches between operating condition and cooling condition through setting up around the rotatory cutter 223 of frame.

Compared with the prior art, the embodiment of the utility model has the advantages that the rotary cutter set is arranged, so that the granulating process can be switched between the working state and the cooling state, when the granules are in the cooling state, the cutter is cooled and dried by using the cooling pool and the dryer, the working environment of the cutter is improved, and the cutter is ensured to be in the optimal working state before each granule cutting; and through setting up the refrigeration fan and cooling down the processing to the material on the conveyer belt, the temperature of the work object of cutter has been controlled from the source, has further optimized the operational environment of cutter, has avoided the fragile problem of cutter high temperature work to produce, has improved and has cut grain efficiency.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.

Claims (10)

1. A cooled pelletizer, comprising:

the feeding assembly is provided with a conveying surface for conveying materials and a cutting table, the cutting table is connected to the conveying tail end of the conveying surface, the cutting surface of the cutting table and the conveying surface are positioned on the same horizontal plane, and a tool withdrawal groove is formed in the cutting surface of the cutting table;

the rotary cutter group is rotatably arranged on the rack, the tool withdrawal groove is positioned on a rotating track of the rotary cutter group, the rotary cutter group has a working state and a cooling state, the working state is realized when the rotary cutter group is abutted against a cutting surface for carrying out grain cutting, the cooling state is realized when the rotary cutter group is far away from the cutting table, and the rotary cutter group is mutually switched between the working state and the cooling state; and

the refrigeration assembly comprises a refrigeration fan, a cooling pool for cooling the cutter and a dryer for drying moisture of the cutter, wherein an air outlet of the refrigeration fan faces the conveying surface and is used for providing air for the material conveyed on the conveying surface to reduce the temperature of the material, the cooling pool is located on the rotating track of the rotating cutter set, and the dryer is arranged on one side of the rotating cutter set.

2. The cooled pelletizer of claim 1, wherein the feed assembly further includes baffles mounted on both sides of the conveying surface in the conveying direction of the conveying surface for blocking material from escaping the conveying surface during air cooling.

3. The cooling pelletizer of claim 2, wherein the baffle is hollowed out.

4. The cooling pelletizer of claim 1, wherein the rotary cutter assembly includes a cutter holder, a first driving member, and a plurality of cutters, the cutter holder being rotatably mounted on the frame, the driving end of the first driving member being connected to the cutter holder for providing a force to the cutter holder to rotate the cutter holder, the plurality of cutters being mounted on an outer surface of the cutter holder and evenly spaced along the cutter holder.

5. The cooled pelletizer of claim 4, wherein the plurality of cutters are centered symmetrically about the axis of rotation of the blade seat.

6. The cooled pelletizer of claim 4, wherein the center of rotation of the blade seat is at the same height as the conveying surface.

7. The cooled pelletizer of claim 1, wherein the relief slot is open near one end of the cutter, the cutter rotating along the relief slot away from the cutting table when switching from the operating condition to the cooling condition.

8. The cooled pelletizer according to claim 4, wherein the level of the cooling fluid in the cooling bath is just above the level of the cutter stationary at the lowermost station of the cutter holder.

9. The cooled pelletizer according to claim 1, wherein at least one bundle of brushes is mounted in the cooling tank for cleaning debris from the cutter.

10. The cooled pelletizer of claim 1, wherein the dryer is fixedly mounted to the frame and is located below the cooling pond relative to the direction of rotation of the rotary cutter assembly.

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