CN212602191U - Water-cooled brace pelleter - Google Patents
Water-cooled brace pelleter Download PDFInfo
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- CN212602191U CN212602191U CN202021156570.7U CN202021156570U CN212602191U CN 212602191 U CN212602191 U CN 212602191U CN 202021156570 U CN202021156570 U CN 202021156570U CN 212602191 U CN212602191 U CN 212602191U
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Abstract
The utility model discloses a water-cooled brace pelleter belongs to brace pelleter technical field. This water-cooled brace pelleter includes: the brace granulator body is used for granulating the material strips; the brace granulator body comprises a moving cutter component; the movable knife component comprises a movable knife shaft and a movable knife arranged on the movable knife shaft; and a cooling water channel is arranged on the movable cutter shaft. The service life of the movable cutter and the fixed cutter can be prolonged after the cooling water is introduced into the cooling water channel in the movable cutter shaft, the first cooling water cavity in the fixed cutter seat and the second cooling water cavity in the side wall of the granulating chamber, and meanwhile, the thermal expansion is avoided, and the phenomenon that the movable cutter and the fixed cutter touch the cutter when the gap is small is prevented. Due to the water cooling function, the phenomenon that the material strips are stuck on the movable cutter to generate secondary cutting due to static electricity generated after being cut off can be prevented.
Description
Technical Field
The utility model relates to a brace pelleter technical field, more specifically the utility model relates to a water-cooled brace pelleter that says so.
Background
At present, single-screw and double-screw extruders are widely applied to the fields of plastics and rubber, and typical applications are as follows: general plastics PP, PE, PS, engineering plastics PA, ABS, PET, PBT, POM, LCP, PC, PA6T, PA8T, PEEK, PPS and the like, mineral filling, fiber reinforcement, powder coating, color masterbatch, mixing granulation of elastomer and extrusion molding processing,
for a long time, as the pelleter of the supporting main auxiliary engine of extruder, what of output is decided according to what of screw extrusion material strip root, do the high temperature material, general brace stock cutter can not reach the result of use when reaching the very strong material of mobility, this is that the strip temperature that the high temperature just extruded from the extruder is higher, the strip gets into and cuts grain room and can make the grain room temperature accelerate to rise for moving sword and stationary knife produce the thermal expansion, the clearance of moving sword and stationary knife can change, thereby influence the problem of cutting grain effect. Even the phenomenon of knife collision can occur, which leads to the great reduction of the service life of the moving knife and the fixed knife.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a water-cooled brace pelleter to solve the technical problem who exists among the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a water-cooled brace pelletizer, comprising:
the brace granulator body is used for granulating the material strips;
the brace granulator body comprises a moving cutter component;
the movable knife component comprises a movable knife shaft and a movable knife arranged on the movable knife shaft;
and a cooling water channel is arranged on the movable cutter shaft.
Furthermore, the cooling water channel comprises a first channel, a second channel and a third channel, and the first channel and the third channel are arranged in the movable cutter shaft and are mutually independent; the second channel is arranged between the movable cutter shaft and the movable cutter;
one end of the first channel is used for introducing cooling water, and the other end of the first channel is communicated with the second channel; the other end of the second channel is communicated with the third channel, and the other end of the third channel is used for leading out cooling water.
Furthermore, the second channel is a plurality of mutually independent water flow channels which are arranged on the inner wall of the aperture of the movable cutter shaft or the movable cutter, and each water flow channel is communicated with the other end of the first channel by a connecting channel.
Furthermore, the second channel is an annular water flow channel with an annular cross section, and the annular water flow channel is formed in the inner wall of the aperture of the movable cutter shaft or the movable cutter and is communicated with the other end of the first channel through one or more connecting channels.
Further, brace pelleter body is including cutting grain room, move the cutter subassembly setting and cut grain indoor, cut grain indoor still be equipped with move the stationary knife subassembly that the cutter subassembly was mutually supported.
Furthermore, the stationary knife subassembly includes stationary knife seat and the stationary knife of setting on the stationary knife seat, the stationary knife with move the sword and mutually support and realize cutting the strip that conveys to cutting grain indoor, set up first cooling water cavity in the stationary knife seat, first cooling water cavity is connected with first cooling water inlet and first cooling water outlet.
Furthermore, a second cooling water cavity is arranged inside at least one side wall of the pelletizing chamber, and the second cooling water cavity is connected with a second cooling water inlet and a second cooling water outlet.
Further, the brace granulator body includes:
the material guiding roller is used for guiding the material strips into the feed hopper;
the feed hopper is arranged on the side wall of the granulating chamber and is used for conveying the material strips into the compression roller assembly in the granulating chamber;
the compression roller assembly comprises a driving roller and a driven roller which rotate oppositely, and the compression roller assembly is used for conveying the material strips between the movable cutter and the fixed cutter;
the first motor provides power for the rotation of the driving wheel;
the second motor provides power for the rotation of the movable cutter shaft;
the frame is used for arranging the material guiding roller, the grain cutting chamber, the first motor and the second motor;
and the discharge hopper is arranged on the side wall of the granulating chamber and is used for collecting the cut granules.
Compared with the prior art, the utility model beneficial effect who has is:
1. the utility model discloses novel structure, the practicality is strong. The granulator is stable in structure, has the characteristics of improving overhigh temperature of a granulating chamber when bracing and granulating, eliminating static electricity generated during granulating, greatly prolonging the service life of a movable cutter, a fixed cutter, a driving roller and a driven roller due to the reduction of the temperature of the granulating chamber, improving the traction speed to 125-145 m/min and greatly improving the production capacity.
2. The water cooling part of the fixed cutter, the water cooling part of the movable cutter and the water cooling part of the grain cutting chamber greatly prolong the service life of key parts, such as the movable cutter, the fixed cutter, the driving roller, the driven roller and the like, for reducing the temperature of the grain cutting machine. The moving cutter water cooling part and the fixed cutter water cooling part effectively treat the generation of static electricity.
Drawings
Fig. 1 is a schematic structural diagram of a water-cooled brace granulator according to the present invention.
Fig. 2 is a schematic structural diagram of a moving blade assembly and a fixed blade assembly of the water-cooled brace granulator of the present invention.
Fig. 3 is a schematic structural diagram of a cooling water channel of a moving blade assembly of a water-cooled brace granulator according to the present invention.
The labels in the figure are: 1-a frame, 2-a second motor, 3-a first motor, 4-a material guiding roller, 5-a feed hopper, 6-a material strip, 7-a driven roller, 8-a fixed cutter component, 9-a movable cutter component, 10-a grain cutting chamber, 11-a discharge hopper, 12-a driving roller, 13-a fixed cutter seat, 14-a fixed cutter, 15-a movable cutter, 16-a movable cutter shaft, 18-a first cooling water cavity, 19-a second cooling water cavity, 20-a first channel, 21-a second channel and 22-a third channel.
Detailed Description
The present invention will be further described with reference to the following examples, which are only some, but not all, of the examples of the present invention. Based on the embodiments in the present invention, other embodiments used by those skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims to solve the pelleter and when the grain was cut in the pulling out, cut grain room 10 high temperature, cut the high temperature material than if high temperature nylon, high melt indicate 6 high temperature of material strip such as PP the process of a cooling that is used for cutting the grain room 10 temperature when cutting the grain, also be used for the static electricity removal effect when cutting some materials that produce static easily simultaneously. Through the accumulation of experience of the inventor in the design, development and research of the granulator, a large amount of industrial production and application practice for many years, the brace granulator which is more efficient and more suitable for the granulating of high-temperature materials and a water cooling system is developed, and meanwhile, the service life of key parts of the granulator is doubled.
Example 1:
as shown in fig. 1, a water-cooled strand cutter includes: the brace granulator body is used for granulating the material strips 6; the brace granulator body comprises a moving blade assembly 9; the movable knife assembly 9 comprises a movable knife shaft 16 and a movable knife 15 arranged on the movable knife shaft 16; the moving blade shaft 16 is provided with a cooling water channel.
As shown in fig. 3, the present embodiment is mainly to improve and optimize the main body of the strand cutter in the prior art, and focuses on improving and optimizing the movable knife shaft 16 of the movable knife assembly 9, specifically: the cooling water channel comprises a first channel 20, a second channel 21 and a third channel 22, and the first channel 20 and the third channel 22 are arranged in the movable cutter shaft 16 and are mutually independent; the second channel 21 is arranged between the movable knife shaft 16 and the movable knife 15; one end of the first channel 20 is used for introducing cooling water, and the other end of the first channel 20 is communicated with the second channel 21; the other end of the second channel 21 is communicated with a third channel 22, and the other end of the third channel 22 is used for leading out cooling water.
When the cooling device is used, cooling water with certain pressure is introduced into one end of the first channel 20, the cooling water sequentially passes through the second channel 21 and the third channel 22 under the action of the pressure and then flows out, heat on the movable blade 15 and the movable blade shaft 16 is continuously taken away through the circulating cooling water, the temperature of the heat is reduced, and the service life of the movable blade 15 is greatly prolonged.
Particularly, in this embodiment, the second channel 21 is formed between the movable blade shaft 16 and the movable blade 15, so that the cooling water can directly contact with the movable blade 15, the temperature of the movable blade 15 can be more directly reduced, and a better heat dissipation effect is achieved.
Example 2:
as shown in fig. 2, the present embodiment is further optimized based on embodiment 1, and the present embodiment focuses on the improvement compared to embodiment 1, and the details of the same are not repeated, in the present embodiment, the second channel 21 is a plurality of independent water flow channels provided on the inner wall of the aperture of the movable knife shaft 16 or the movable knife 15, and each water flow channel is communicated with the other end of the first channel 20 by one connecting channel. In this embodiment, the second channel 21 may be formed on the inner wall of the aperture of the movable blade 15 or on the movable blade shaft 16, as long as it is formed at a position where the movable blade shaft 16 contacts with the inner wall of the aperture of the movable blade 15.
A plurality of mutually independent rivers passageway is preferred to be equidistant setting, and like this, the position that cooling water flowed through is even for the radiating effect is also more even, local high temperature's the condition can not appear.
Example 3:
as shown in fig. 2, the present embodiment is further optimized based on embodiment 2, and the present embodiment focuses on the improvement compared to embodiment 2, and the same points are not repeated, in the present embodiment, the second channel 21 is an annular water flow channel with an annular cross section, which is provided on the inner wall of the aperture of the movable knife shaft 16 or the movable knife 15, and the annular water flow channel is communicated with the other end of the first channel 20 by one or more connecting channels.
The structure of the second channel 21 in this embodiment is a modification of the second channel 21 in embodiment 2, in this embodiment, the second channel 21 is an integral annular water flow channel, and the annular water flow channel is milled on the movable blade shaft 16 or on the inner wall of the aperture of the movable blade 15, and the integral annular water flow channel has a better heat dissipation effect, but it should be understood that it is within the protection scope of this patent to use a partial or local annular water flow channel structure for heat dissipation.
Example 4:
as shown in fig. 2, the present embodiment is further optimized based on embodiment 2, and the present embodiment focuses on explaining the improvement compared to embodiment 2, and the same points are not repeated, in the present embodiment, the strand cutter body includes a cutting chamber 10, the moving blade assembly 9 is disposed in the cutting chamber 10, and the cutting chamber 10 is further provided with a stationary blade 14 assembly 8 cooperating with the moving blade assembly 9. The embodiment is to improve and optimize the stationary knife 14 assembly 8 in the prior art, and specifically comprises the following steps:
the fixed cutter 14 assembly 8 comprises a fixed cutter seat 13 and a fixed cutter 14 arranged on the fixed cutter seat 13, the fixed cutter 14 and the movable cutter 15 are mutually matched to cut the material strips 6 conveyed into the granulating chamber 10, a first cooling water cavity 18 is formed in the fixed cutter seat 13, and the first cooling water cavity 18 is connected with a first cooling water inlet and a first cooling water outlet.
Through improving in the stationary knife seat 13, set up first cooling water cavity 18, let in the cooling water in first cooling water cavity 18, reduce the heat on the stationary knife 14 through the mode of heat transfer, and then reduce its temperature, improve the life of stationary knife 14.
Example 5:
as shown in fig. 2, this embodiment is further optimized based on embodiment 2, and the present embodiment focuses on the improvement of embodiment 2, and the details of the same are not repeated, in this embodiment, a second cooling water cavity 19 is disposed inside at least one side wall of the dicing chamber 10, and the second cooling water cavity 19 is connected to a second cooling water inlet and a second cooling water outlet.
In this embodiment, the second cooling water cavity 19 is opened on the top cover of the dicing chamber 10, and cooling water is introduced into the second cooling water cavity 19 to reduce the heat in the dicing chamber 10 by means of heat transfer, thereby reducing the temperature thereof, reducing the temperatures of the moving blade 15 and the fixed blade 14, and the driving roller 12 and the driven roller 7, and improving the service life of the above components.
Example 6:
as shown in fig. 2, this embodiment is further optimized based on any one of embodiments 3 to 5, and this embodiment focuses on the improvement compared with any one of embodiments 3 to 5, and the same points are not repeated, in this embodiment, the strand cutter body includes: the material guiding roller 4 is used for guiding the material strips 6 into the feed hopper 5; the feed hopper 5 is arranged on the side wall of the granulating chamber 10, and the feed hopper 5 guides and tensions the material strip 6 and then conveys the material strip 6 into the compression roller assembly in the granulating chamber 10; the pressing roller assembly comprises a driving roller 12 and a driven roller 7 which rotate oppositely, and the pressing roller assembly is used for conveying the material strips 6 between the movable knife 15 and the fixed knife 14; the first motor 3 provides power for the rotation of the driving wheel; the second motor 2 provides power for the rotation of the movable cutter shaft 16; the machine frame 1 is used for arranging the material guiding roller 4, the grain cutting chamber 10, the first motor 3 and the second motor 2; and a discharge hopper 11 disposed on a sidewall of the dicing chamber 10 for collecting the cut pellets. The material strip 6 enters from the material guiding roller 4, is driven by the driving roller 12 and the driven roller 7, enters between the movable knife 15 and the fixed knife 14 through the feed hopper 5, and is cut into set particles.
The granulator is suitable for various thermoplastic plastics, such as ABS, PA, PBT, PC, PE, PET, POM, PP, PPS, PS, PVC, SAN and the like, and is particularly suitable for the continuous granulating process of high-temperature mud dragon and high-melt-index PP, and the mechanical part of the granulator is positioned by adopting double-shaft support and integral design, so that the rotating precision and the stability of the movable cutter 15 are ensured, the positioning of the fixed cutter 14 and the driving roller 12 is accurate, the adjustment is convenient, and the assembly precision cannot be influenced by twice positioning; the quality of the granular materials and the stability and reliability of the operation are ensured; the variable frequency speed regulation is adopted, the grain cutting speed can be rapidly regulated according to the discharging speed of the main machine, and the continuous and stable production is easy to realize. Meanwhile, the water cooling part of the fixed cutter 14, the water cooling part of the movable cutter 15 and the water cooling part of the granulating chamber 10 greatly prolong the service life of the key part for reducing the temperature of the granulator, and the water cooling part of the movable cutter 15 and the water cooling part of the fixed cutter 14 effectively treat the generation of static electricity.
When the granulator works, the cooling water channel in the movable cutter shaft 16, the first cooling water cavity 18 in the fixed cutter seat 13, and the cooling water is introduced into the second cooling water cavity 19 in the side wall of the granulating chamber 10 to cool the inside of the whole granulating chamber 10, so that the problem that the temperature of materials is high when the material strips 6 extruded by the extruder enter the granulator, the materials are generally higher than 100 ℃, the materials strips 6 enter the granulating chamber 10 to accelerate the temperature of the granulating chamber 10, the movable cutter 15 and the fixed cutter 14 generate thermal expansion, the gap between the movable cutter 15 and the fixed cutter 14 can be changed, and the granulating effect is influenced. The service life of the movable cutter 15 and the fixed cutter 14 can be prolonged after the cooling water is introduced into the cooling water channel in the movable cutter shaft 16, the first cooling water cavity 18 in the fixed cutter seat 13 and the second cooling water cavity 19 in the side wall of the granulating chamber 10, and meanwhile, the thermal expansion is avoided, and the phenomenon that the movable cutter 15 and the fixed cutter 14 collide with each other when the gap is small is prevented. Due to the water cooling effect, the strip 6 can be prevented from generating static electricity after being cut off and being stuck on the movable cutter 15 to generate a secondary cutting phenomenon.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a water-cooled brace pelleter which characterized in that includes:
the brace granulator body is used for granulating the material strips;
the brace granulator body comprises a moving cutter component;
the movable knife component comprises a movable knife shaft and a movable knife arranged on the movable knife shaft;
and a cooling water channel is arranged on the movable cutter shaft.
2. The water-cooled strand cutter according to claim 1, wherein the cooling water channel comprises a first channel, a second channel and a third channel, and the first channel and the third channel are arranged in the movable cutter shaft and are independent of each other; the second channel is arranged between the movable cutter shaft and the movable cutter;
one end of the first channel is used for introducing cooling water, and the other end of the first channel is communicated with the second channel; the other end of the second channel is communicated with the third channel, and the other end of the third channel is used for leading out cooling water.
3. The water-cooled strand cutter as claimed in claim 2, wherein the second channel is a plurality of independent water flow channels provided on the inner wall of the bore of the movable cutter shaft or the movable cutter, each water flow channel being connected to the other end of the first channel by a connecting channel.
4. The water-cooled strand cutter as claimed in claim 2, wherein the second channel is an annular water flow channel with an annular cross section provided on the inner wall of the bore of the movable cutter shaft or the movable cutter, and the annular water flow channel is communicated with the other end of the first channel by one or more connecting channels.
5. The water-cooled brace granulator according to claim 2, wherein the brace granulator body comprises a granulation chamber, the movable cutter assembly is arranged in the granulation chamber, and a fixed cutter assembly matched with the movable cutter assembly is further arranged in the granulation chamber.
6. The water-cooled brace granulator according to claim 5, wherein the fixed cutter assembly comprises a fixed cutter seat and a fixed cutter arranged on the fixed cutter seat, the fixed cutter and the movable cutter are matched with each other to cut strips conveyed into the granulating chamber, a first cooling water cavity is formed in the fixed cutter seat, and the first cooling water cavity is connected with a first cooling water inlet and a first cooling water outlet.
7. The water-cooled brace pelletizer according to claim 5, wherein a second cooling water cavity is formed inside at least one side wall of the pelletizing chamber, and a second cooling water inlet and a second cooling water outlet are connected to the second cooling water cavity.
8. The water-cooled strand cutter according to any one of claims 5 to 7, wherein the strand cutter body comprises:
the material guiding roller is used for guiding the material strips into the feed hopper;
the feed hopper is arranged on the side wall of the granulating chamber and is used for conveying the material strips into the compression roller assembly in the granulating chamber;
the compression roller assembly comprises a driving roller and a driven roller which rotate oppositely, and the compression roller assembly is used for conveying the material strips between the movable cutter and the fixed cutter;
the first motor provides power for the rotation of the driving wheel;
the second motor provides power for the rotation of the movable cutter shaft;
the frame is used for arranging the material guiding roller, the grain cutting chamber, the first motor and the second motor;
and the discharge hopper is arranged on the side wall of the granulating chamber and is used for collecting the cut granules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021156570.7U CN212602191U (en) | 2020-06-19 | 2020-06-19 | Water-cooled brace pelleter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021156570.7U CN212602191U (en) | 2020-06-19 | 2020-06-19 | Water-cooled brace pelleter |
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| CN212602191U true CN212602191U (en) | 2021-02-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111590675A (en) * | 2020-06-19 | 2020-08-28 | 成都煜翔机械有限公司 | Water-cooled brace pelleter |
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2020
- 2020-06-19 CN CN202021156570.7U patent/CN212602191U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111590675A (en) * | 2020-06-19 | 2020-08-28 | 成都煜翔机械有限公司 | Water-cooled brace pelleter |
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