CN219902888U - Cutting mechanism of extrusion granulator - Google Patents
Cutting mechanism of extrusion granulator Download PDFInfo
- Publication number
- CN219902888U CN219902888U CN202321222330.6U CN202321222330U CN219902888U CN 219902888 U CN219902888 U CN 219902888U CN 202321222330 U CN202321222330 U CN 202321222330U CN 219902888 U CN219902888 U CN 219902888U
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- China
- Prior art keywords
- pull rod
- supporting
- rotary cutter
- cutting blade
- support
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- 238000005520 cutting process Methods 0.000 title claims abstract description 73
- 238000001125 extrusion Methods 0.000 title claims abstract description 27
- 230000007246 mechanism Effects 0.000 title claims abstract description 20
- 238000007790 scraping Methods 0.000 claims abstract description 32
- 238000004140 cleaning Methods 0.000 claims abstract description 26
- 238000010276 construction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 13
- 229920003023 plastic Polymers 0.000 description 10
- 239000004033 plastic Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 238000001746 injection moulding Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model is suitable for the field of granulator equipment, and provides a cutting mechanism of an extrusion granulator, which comprises a rotary cutter disc and a plurality of cutting blades which are annularly arranged on the working end surface of the rotary cutter disc; a cleaning component for cleaning the cutting blade is arranged in the rotary cutter head; the cleaning assembly comprises two scraping plates for bonding two sides of the cutting blade, a supporting shell for supporting the scraping plates and a pull rod for driving the supporting shell to move along the direction of the cutting blade; the inside of the rotary cutterhead is provided with a strip-shaped accommodating bin for accommodating the supporting shell and further moving the supporting shell; the end part of the pull rod extends out of the strip-shaped accommodating bin; the scraping plate is connected with the supporting shell through the supporting rod, and the working end face of the rotary cutter head is provided with a strip-shaped groove for the supporting rod to penetrate out.
Description
Technical Field
The utility model relates to the field of granulator equipment, in particular to a cutting mechanism of an extrusion granulator.
Background
The granulator is a forming machine capable of manufacturing molten plastics into particles with specific shapes, in the working process of the granulator, firstly, the plastics are melted, then the melted plastics are extruded through an outlet of an extruder of the granulator to form a plurality of plastic strips, and the plastic strips are cut by a particle cutting structure to obtain the plastic particles.
The plastic strip cutting process is generally to adopt a rotary cutter to carry out cutting, and the length of the cut plastic strip is adjusted by controlling the rotation speed of the rotary cutter to be matched with the extrusion discharging speed of the plastic strip. During the cutting process, after the rotary cutterhead is used for a period of time, the blades mounted on the upper part of the rotary cutterhead need to be cleaned (because after the rotary cutterhead is used for a period of time, part of molten plastic can adhere to the blades, so that the subsequent cutting efficiency is affected). At present, the blade is cleaned, and workers adopt scraping plates to clean the blade, so that the cleaning efficiency is low on one hand, and the safety of the workers is not facilitated on the other hand.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
Aiming at the defects, the utility model aims to provide the cutting mechanism of the extrusion granulator, which can drive the scraping plate to be attached to the cutting blade to carry out scraping work by pulling the pull rod, and the device is simple to operate and high in safety.
In order to achieve the above purpose, the utility model provides a cutting mechanism of an extrusion granulator, which comprises a rotary cutter head and a plurality of cutting blades which are annularly arranged on the working end surface of the rotary cutter head; a cleaning component for cleaning the cutting blade is arranged in the rotary cutter head; the cleaning assembly comprises two scraping plates for bonding two sides of the cutting blade, a supporting shell for supporting the scraping plates and a pull rod for driving the supporting shell to move along the direction of the cutting blade; the inside of the rotary cutterhead is provided with a strip-shaped accommodating bin for accommodating the supporting shell and further moving the supporting shell; the end part of the pull rod extends out of the strip-shaped accommodating bin; the scraping plate is connected with the supporting shell through a supporting rod, and a bar-shaped groove for the supporting rod to penetrate out is arranged on the working end face of the rotary cutter head.
According to the cutting mechanism of the extrusion granulator, the supporting rod is a telescopic rod, and a driving structure for driving the supporting rod to stretch is arranged in the supporting shell; the end of the strip-shaped groove is provided with an embedded groove for placing the scraping plate.
According to the cutting mechanism of the extrusion granulator, the supporting rod is of a rack structure; the support shell is internally provided with a gear meshed with the support rod, and the end part of the pull rod extends into the support shell and is fixedly connected with the gear coaxially; the pull rod is rotatably connected with the support shell.
According to the cutting mechanism of the extrusion granulator, the embedded ring is arranged at the preset position of the end part of the pull rod, the side end of the support shell is provided with the mounting opening for mounting the pull rod, and the mounting opening is provided with the clamping edge clamped into the embedded ring.
According to the cutting mechanism of the extrusion granulator, the end part of the strip-shaped accommodating bin is provided with the locking structure for positioning the axis of the pull rod.
According to the cutting mechanism of the extrusion granulator, the locking structure comprises a threaded cap arranged at the end part of the pull rod, and a threaded hole for installing the threaded cap is formed in the end part of the strip-shaped accommodating bin.
The utility model provides a cutting mechanism of an extrusion granulator, which comprises a rotary cutter head and a plurality of cutting blades which are annularly arranged on the working end surface of the rotary cutter head; the rotary cutter head is correspondingly arranged with an output port of the extrusion injection molding machine. The rotary cutterhead is of a cross-shaped structure, and cutting blades are correspondingly arranged at the working ends of the rotary cutterhead. A cleaning component for cleaning the cutting blade is arranged in the rotary cutter head; the cleaning assembly comprises two scraping plates for bonding two sides of the cutting blade, a supporting shell for supporting the scraping plates and a pull rod for driving the supporting shell to move along the direction of the cutting blade, and the shape of the cleaning assembly needs to be matched with that of the cutting blade; the inside of the rotary cutterhead is provided with a strip-shaped accommodating bin for accommodating the supporting shell and further moving the supporting shell; the end part of the pull rod extends out of the strip-shaped accommodating bin, the scraping plate is connected with the supporting shell through the supporting rod, and a strip-shaped groove for the supporting rod to penetrate out is formed in the working end face of the rotary cutter head. During operation, only need outwards pull the pull rod, the pull rod that removes can drive the support shell and remove in bar holding storehouse (synchronous, the scraper blade removes along cutting blade direction) to realize the clearance process to cutting blade, in the clearance process, because only need pull the pull rod can, the clearance process is convenient, simultaneously, reduces the contact of operating personnel and blade in the clearance process, the operating personnel's of assurance security. The utility model can drive the scraping plate to be attached to the cutting blade by pulling the pull rod to carry out scraping work, and the device is simple to operate and high in safety.
Drawings
FIG. 1 is a diagram of the output port of an extrusion injection molding machine in combination with a rotary cutterhead;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a block diagram of a cleaning assembly;
FIG. 5 is a block diagram of a squeegee and drive structure;
FIG. 6 is another state diagram of FIG. 5;
FIG. 7 is a block diagram of the rotary connection of the support housing to the tie rod at B in FIG. 4;
in the figure, 100-extrusion injection molding machine output port, 200-rotary cutter head, 1-embedded groove, 3-cutting blade, 2-bar groove, 21-support shell, 22-scraper, 23-pull rod, 3-cutting blade, 31-gear, 32-support rod, 41-embedded ring and 40-clamping edge.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the accompanying drawings and examples, it being understood that the specific examples described herein are for illustration only and are not intended to limit the present utility model.
Referring to fig. 1, the utility model provides a cutting mechanism of an extrusion granulator, which comprises a rotary cutter 200 and a plurality of cutting blades 3 which are annularly arranged on the working end surface of the rotary cutter 200; the rotary cutter head 20 is installed corresponding to the output port 100 of the extrusion injection molding machine. In this example, the rotary cutter 200 has a cross-shaped structure, and the 4 working ends thereof are respectively provided with a cutting blade 3.
Referring to fig. 2 and 3, a cleaning assembly for cleaning the cutting blade 3 is installed inside the rotary cutterhead 200; the cleaning assembly comprises two scraping plates 22 which are attached to two sides of the cutting blade 3, a supporting shell 21 which supports the scraping plates 22 and a pull rod 23 which drives the supporting shell 21 to move along the direction of the cutting blade 3, and the shape of the scraping plates is not limited in the utility model and needs to be matched with the shape of the cutting blade 3; the rotary cutterhead 200 is internally provided with a strip-shaped accommodating bin for accommodating the supporting shell 21 and further moving the supporting shell; the end of the pull rod 23 extends out of the bar-shaped accommodating bin, the scraping plate 22 is connected with the supporting shell 21 through a supporting rod, and a bar-shaped groove 2 for the supporting rod to penetrate out is formed in the working end face of the rotary cutter 200. During operation, only the pull rod 23 is required to be pulled outwards, the movable pull rod 23 can drive the support shell 21 to move in the strip-shaped accommodating bin (synchronously, the scraping plate 22 moves along the direction of the cutting blade 3) so as to realize the cleaning process of the cutting blade 3, and in the cleaning process, the pull rod 23 is required to be pulled, so that the cleaning process is convenient, meanwhile, the contact between operators and the blades in the cleaning process is reduced, and the safety of the operators is ensured.
Preferably, since the presence of scraper 22 may affect the proper operation of cutting blade 3 (scraper 22 may increase the distance between the working end surface of rotary cutterhead 200 and output port 100 of the extrusion molding machine, thereby affecting the distance between cutting blade 3 and output port 100 of the extrusion molding machine, thereby affecting the cutting accuracy of cutting blade 3), the present utility model provides the following improvements:
referring to fig. 4, 5 and 6, the support rod is a telescopic rod, and a driving structure for driving the support rod to extend and retract is installed in the support housing 21; the end of the strip-shaped groove 2 is provided with an embedded groove 1 for placing a scraper 22. By setting the support rod 32 to be of a telescopic structure, the scraper 22 is attached to the cutting blade 3 only under cleaning, and the scraper 22 is placed in the embedded groove 1 under the cutting state of the device, and the scraper 22 in the state does not influence the cutting process of the cutting blade 3. The support bar 32 has a rack structure, which is an arc rack or a soft rack (which can deform when being subjected to lateral external force); the support housing 21 is internally provided with gears 31 meshed with the support rods 32, in this example, the gears 31 are two groups and meshed with each other, each gear 31 is meshed with one support rod 32, and the end part of the pull rod 23 extends into the support housing 21 and is fixedly connected with the gears 31 coaxially (in this example, meshed with one gear 31); the pull rod 23 is rotatably connected with the support housing 21, specifically, an embedded ring 41 is disposed at a predetermined position of an end portion of the pull rod 23, a mounting opening for mounting the pull rod 23 is disposed at a side end of the support housing 21, and a clamping edge 40 (shown in fig. 7) clamped into the embedded ring is disposed at the mounting opening. When the driving support rod 32 performs telescopic operation, the pull rod 23 needs to be rotated first, and the driving support rod 32 is in an extending state through gear transmission so as to drive the scraping plate 22 to be attached to the cutting blade 3. And then pulls the pull rod 23 again to perform the moving work.
Referring to fig. 2 and 4, the locking structure comprises a threaded cap 24 provided at the end of the pull rod 23, and a threaded hole for installing the threaded cap 24 is provided at the end of the bar-shaped accommodating bin. The state of the pull rod 23 is locked (the pull rod 23 is locked into the strip-shaped accommodating bin) through the structure, so that the pull rod 23 is prevented from extending out of the strip-shaped accommodating bin under the centrifugal force of the rotary cutter 200 during operation.
In summary, the utility model provides a cutting mechanism of an extrusion granulator, which comprises a rotary cutter head and a plurality of cutting blades annularly arranged on the working end surface of the rotary cutter head; the rotary cutter head is correspondingly arranged with an output port of the extrusion injection molding machine. The rotary cutterhead is of a cross-shaped structure, and cutting blades are correspondingly arranged at the working ends of the rotary cutterhead. A cleaning component for cleaning the cutting blade is arranged in the rotary cutter head; the cleaning assembly comprises two scraping plates attached to two sides of the cutting blade, a supporting shell for supporting the scraping plates and a pull rod for driving the supporting shell to move along the direction of the cutting blade, the shape of the scraping plates is not limited in the utility model, and the scraping plates need to be matched with the shape of the cutting blade; the inside of the rotary cutterhead is provided with a strip-shaped accommodating bin for accommodating the supporting shell and further moving the supporting shell; the end part of the pull rod extends out of the strip-shaped accommodating bin, the scraping plate is connected with the supporting shell through the supporting rod, and a strip-shaped groove for the supporting rod to penetrate out is formed in the working end face of the rotary cutter head. During operation, only need outwards pull the pull rod, the pull rod that removes can drive the support shell and remove in bar holding storehouse (synchronous, the scraper blade removes along cutting blade direction) to realize the clearance process to cutting blade, in the clearance process, because only need pull the pull rod can, the clearance process is convenient, simultaneously, reduces the contact of operating personnel and blade in the clearance process, the operating personnel's of assurance security. The utility model can drive the scraping plate to be attached to the cutting blade by pulling the pull rod to carry out scraping work, and the device is simple to operate and high in safety.
Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model, as will be apparent to those skilled in the art, without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (6)
1. The cutting mechanism of the extrusion granulator is characterized by comprising a rotary cutter head and a plurality of cutting blades which are annularly arranged on the working end surface of the rotary cutter head; a cleaning component for cleaning the cutting blade is arranged in the rotary cutter head;
the cleaning assembly comprises two scraping plates for bonding two sides of the cutting blade, a supporting shell for supporting the scraping plates and a pull rod for driving the supporting shell to move along the direction of the cutting blade;
the inside of the rotary cutterhead is provided with a strip-shaped accommodating bin for accommodating the supporting shell and further moving the supporting shell; the end part of the pull rod extends out of the strip-shaped accommodating bin;
the scraping plate is connected with the supporting shell through a supporting rod, and a bar-shaped groove for the supporting rod to penetrate out is arranged on the working end face of the rotary cutter head.
2. The cutting mechanism of the extrusion granulator according to claim 1, wherein the support bar is a telescopic bar, and a driving structure for driving the support bar to extend and retract is installed in the support housing; the end of the strip-shaped groove is provided with an embedded groove for placing the scraping plate.
3. The extrusion granulator cut-off mechanism of claim 2 wherein the support bar is of rack construction;
the support shell is internally provided with a gear meshed with the support rod, and the end part of the pull rod extends into the support shell and is fixedly connected with the gear coaxially; the pull rod is rotatably connected with the support shell.
4. The cutting mechanism of extrusion granulator according to claim 3, wherein the predetermined position of the end of the pull rod is provided with an embedded ring, the side end of the support housing is provided with a mounting opening for mounting the pull rod, and the mounting opening is provided with a clamping edge clamped into the embedded ring.
5. The cutting mechanism of any one of claims 1 to 4, wherein the bar-shaped housing bin end is provided with a locking structure for axially positioning the tie rod.
6. The extrusion granulator cutoff mechanism of claim 5 wherein the locking structure comprises a threaded cap provided on the end of the pull rod, the bar-shaped receiving bin end provided with a threaded hole for mounting the threaded cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321222330.6U CN219902888U (en) | 2023-05-19 | 2023-05-19 | Cutting mechanism of extrusion granulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321222330.6U CN219902888U (en) | 2023-05-19 | 2023-05-19 | Cutting mechanism of extrusion granulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219902888U true CN219902888U (en) | 2023-10-27 |
Family
ID=88439443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321222330.6U Active CN219902888U (en) | 2023-05-19 | 2023-05-19 | Cutting mechanism of extrusion granulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219902888U (en) |
-
2023
- 2023-05-19 CN CN202321222330.6U patent/CN219902888U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |