CN221985521U - Underwater hot pelletizing cutter device and pelletizer - Google Patents
Underwater hot pelletizing cutter device and pelletizer Download PDFInfo
- Publication number
- CN221985521U CN221985521U CN202420095659.9U CN202420095659U CN221985521U CN 221985521 U CN221985521 U CN 221985521U CN 202420095659 U CN202420095659 U CN 202420095659U CN 221985521 U CN221985521 U CN 221985521U
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- Prior art keywords
- cutter
- sheath
- cutter device
- clamping groove
- dicing
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- 238000005453 pelletization Methods 0.000 title abstract description 4
- 238000005520 cutting process Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 6
- 229920000426 Microplastic Polymers 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 239000012768 molten material Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000005469 granulation Methods 0.000 description 3
- 230000003179 granulation Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
本实用新型提供了一种水下热切粒切刀装置及切粒机，属于塑料颗粒加工领域。所述水下热切粒切刀装置，包括：刀盘、刀架和切刀，刀盘是一个圆盘，多个刀架均匀分布在刀盘的外圆上，所述切刀装置还包括刀鞘，切刀安装在刀鞘内，刀鞘安装在刀架上；刀鞘为中空结构，其长度方向上的一端为开口端，另一端为封口端；刀鞘内设有弹性件，弹性件安装在切刀与刀鞘的封口端之间，所有切刀的一端从刀鞘的开口端伸出，朝向同一平面。本实用新型改变了现有切刀的安装方式，使切刀安装时无需找平，安装后无需磨刀，简单高效。
The utility model provides an underwater hot pelletizing cutter device and a pelletizer, belonging to the field of plastic pellet processing. The underwater hot pelletizing cutter device comprises: a cutter disc, a cutter holder and a cutter, the cutter disc is a circular disc, and a plurality of cutter holders are evenly distributed on the outer circle of the cutter disc, the cutter device also comprises a scabbard, the cutter is installed in the scabbard, and the scabbard is installed on the cutter holder; the scabbard is a hollow structure, one end of which in the length direction is an open end, and the other end is a sealed end; an elastic part is provided in the scabbard, and the elastic part is installed between the cutter and the sealed end of the scabbard, and one end of all the cutters extends from the open end of the scabbard and faces the same plane. The utility model changes the existing installation method of the cutter, so that the cutter does not need to be leveled when installed, and does not need to be sharpened after installation, which is simple and efficient.
Description
Technical Field
The utility model belongs to the field of plastic particle processing, and particularly relates to an underwater hot-granulating cutter device and a granulator.
Background
The production and processing of plastic particles are not separated from granulation, and the granulating systems are divided into two main types: a cold pelleting system and a hot pelleting system. Underwater hot-pelletization is an important way in the production of pellets from plastic pellets, especially for high melt mass flow rates and high brittle resins. And (3) hot granulating underwater, namely, working the die head and the cutter in circulating water, enabling the cutter to rotate tightly against the die plate, cutting the molten material into spherical or elliptic granules by the rotary cutter after the molten material is discharged from a die plate wire outlet hole, cooling the molten material by circulating water, and carrying the molten material to a dehydrator for next drying.
In the underwater hot-dicing process, because the cutter needs to rotate close to the die plate, a force needs to be applied so that the cutter can be closely attached to the die plate. The underwater cutter head is generally provided with a plurality of cutters which are uniformly distributed on a circumferential surface. The section of the cutter needs to be in the same horizontal plane, otherwise, the phenomena of uneven particle size, tailing of particles and the like can occur during granulation. Therefore, the sections of a plurality of cutters need to be leveled during installation, and long-time sharpening is also needed after the installation is finished so as to ensure that the sections of the cutters can be in the same horizontal plane. The process is complex and complicated, the cutter is fixed on the cutter frame in a nut fixing mode, one end is worn to a certain extent by fixing at two points, the other end needs to be replaced, only a few parts at two ends can be used, after the two ends are worn, a large part of waste exists in the middle, the cutter has a high wear speed under the environment of high-temperature high-speed rotation friction, and therefore the cutter is replaced more frequently, and a lot of waste is caused.
Disclosure of utility model
The utility model aims to solve the problems in the prior art and provides an underwater hot-granulating cutter device and a granulator. The device has changed the mounting means of current cutter, need not the leveling when making level of cutter installation, need not to sharpen after the installation, simple high-efficient.
The utility model is realized by the following technical scheme:
An underwater hot-dicing cutter device comprising: the cutter device comprises a cutter disc, cutter holders and cutters, wherein the cutter disc is a disc, the cutter holders are uniformly distributed on the outer circle of the cutter disc, the cutters also comprise cutter sheaths, the cutters are arranged in the cutter sheaths, and the cutter sheaths are arranged on the cutter holders;
the sheath is of a hollow structure, one end in the length direction of the sheath is an open end, and the other end is a sealed end;
An elastic piece is arranged in the sheath, the elastic piece is arranged between the cutters and the sealing end of the sheath, and one ends of all the cutters extend out from the opening end of the sheath and face the same plane.
Preferably, the cutter is of a cuboid structure, and one end of the cutter extending out of the sheath is a cutting edge.
Preferably, the cross section of the inner cavity of the sheath is rectangular, and the width of the rectangle is the same as the thickness of the cutter.
Preferably, a slide way and a clamping groove are arranged in the sheath;
the slide way is arranged along the length direction of the sheath, and the clamping groove is in sliding fit with the slide way;
One end of the cutter is placed in the clamping groove, and the elastic piece is positioned between the clamping groove and the sealing end of the sheath.
Preferably, the slide ways are positioned at the left side and the right side of the inner cavity of the sheath, the slide ways are coplanar with the inner cavity of the sheath, and the slide ways at the left side and the right side are symmetrically arranged;
The clamping groove is concave, the outer sides of the two ends are respectively contacted with the surfaces of the slide ways, the thickness is consistent with that of the cutter, and the groove width is consistent with that of the cutter.
Preferably, the outer end of the slideway is provided with a plug.
Preferably, a detaching plate is provided at the sealed end of the sheath.
Preferably, the elastic piece is a spring, and the central line of the spring is parallel to the length direction of the sheath.
Preferably, the tool rest and the cutter disc are of an integrated structure, and the number of the tool rest is six.
A pelletizer comprising an underwater thermal pelletizer cutter device as described above.
Compared with the prior art, the utility model has the beneficial effects that:
each cutter is provided with an independent elastic piece for providing thrust, so that each cutter can be tightly attached to the template, the cutter can be completely worn, waste is avoided, and cost is saved.
The utility model effectively simplifies the complicated process of leveling and sharpening when changing the cutter, reduces the workload of changing the cutter and improves the working efficiency.
Drawings
FIG. 1 is a schematic diagram of a connection structure between a cutter device and a motor of the present utility model;
FIG. 2 is a front view of the cutting device of the present utility model;
FIG. 3 is an internal structural view of the cutter and sheath assembly;
FIG. 4 is a cross-sectional view of the sheath (top view of FIG. 3);
Fig. 5 is a front view of a prior art form construction.
The device comprises a motor 1, a hydraulic machine 2, a knife rest 3, a knife disc 4, a cutter 5, a knife sheath 6, a slideway 7, a clamping groove 8, a disassembling plate 9, an elastic piece 10, a template 11 and a wire outlet 12.
Detailed Description
The utility model is described in further detail below with reference to the attached drawing figures:
As shown in fig. 1 to 3, the underwater hot-dicing cutter device provided by the utility model comprises: the cutter head 4, the cutter rest 3, the cutter 5 and the sheath 6; the cutter head 4 is a disc, belongs to the existing structure, is connected with the hydraulic machine 2 through a central through hole, and is provided with a cutter rest 3 on the outer circular surface; the tool rest 3 is a bracket for fixing the cutter 5, is integrated with the cutter head 4, and is uniformly distributed on the outer circle of the cutter head 4, preferably six.
The sheath 6 is a hollow cuboid structure with two open ends, one end in the length direction is an open end, and the other end is a sealed end; a slide way 7, a clamping groove 8 and an elastic piece 10 are arranged in the sheath 6, the cutter 5 is placed in the clamping groove 8, and the clamping groove 8 is matched with the slide way 7, so that the cutter 5 can slide along the length direction of the sheath 6; the elastic piece 10 is arranged between the clamping groove 8 and the sealing end of the sheath 6, and the blade extends out of the opening end of the sheath 6 under the action of the elastic piece 10; the sheath 6 is fixed on the cutter rest 3 by bolts after the cutters 5 are arranged, the length direction of the sheath 6 is parallel to the central axis of the cutter disc 4, and the cutting edges of all the cutters 5 face the same plane.
The cutter 5 is of a cuboid structure, and the blade is as thick as the cutter body (the underwater cutter has no sharp blade and is a flat cutter); as shown in fig. 4, the cross section of the inner cavity of the sheath 6 (cross section perpendicular to the longitudinal direction) is rectangular, and the width of the rectangle is the same as the thickness of the cutter 5 (the distance between two planes where the area of the cutter is the largest); the cutter 5 is installed in the sheath 6, and the length directions of the cutter 5 and the cutter are consistent, so that the upper surface and the lower surface (two planes with the largest area) of the cutter 5 are attached to the upper surface and the lower surface of the inner cavity of the sheath 6, and when the cutter is used for cutting, the cutting edge (the end face of the cutter 5, which is positioned at one end outside the sheath) is attached to the template 11, and granulation is carried out in a similar scraping mode, thereby preventing the cutter 5 from shaking in the cutting direction in the sheath 6 and avoiding unnecessary damage to the cutter.
As shown in fig. 3 and 4, the slide ways 7 are positioned at the left and right sides of the inner cavity of the sheath 6, are arranged along the length direction of the sheath 6, the slide ways 7 are coplanar with the inner cavity of the sheath 6, and the slide ways 7 at the left and right sides are symmetrically arranged, so that the clamping groove 8 can slide back and forth along the length direction of the sheath 6; the outer end of the slideway 7 is provided with a plug (the upper end of which is blackened in figure 3) to prevent the clamping groove 8 from falling out.
The clamping groove 8 is in a concave shape as a whole, the outer sides of the two ends are respectively contacted with the surfaces of the slide ways 7, the thickness (the height vertical to the direction of the concave character) is consistent with the thickness of the cutter 5, and the groove width is consistent with the width (the distance in the left-right direction in fig. 3) of the cutter 5; one end of the cutter 5 can be directly inserted into the clamping groove 8 and slide back and forth along the slideway 7 in the sheath 6 along with the clamping groove 8.
The elastic piece 10 is arranged between the clamping groove 8 and the sealing end of the sheath 6, and mainly acts on the clamping groove 8 to provide thrust force for the clamping groove 8 along the length direction of the sheath 6, so that the cutting edge of the cutter 5 extends out of the opening end of the sheath 6; in this embodiment, the elastic member 10 is a spring, and the center line of the spring is parallel to the length direction of the sheath 6.
Preferably, a disassembling plate 9 is arranged at the sealing end of the sheath 6, the disassembling plate 9 is fixed to the sealing end of the sheath 6 by bolts, the sealing end can be unsealed, the clamping groove 8 and the elastic piece 10 are convenient to take and place, and meanwhile, the cutter 5 is convenient to install and the rest part is convenient to take out after abrasion.
It should be noted that, the cutter 5 is fixed by the upper and lower surfaces of the inner cavity of the clamping groove 8 and the sheath 6, the clamping groove 8 mainly plays a role in pushing, and the best matching relationship between the cutter 5 and the clamping groove 8 is transition fit (the two can be manually combined or separated, but cannot fall off naturally). In addition, if the thickness of the clamping groove 8 is greater than that of the cutter 5, a gap exists between the cutter 5 and the sheath 6, and the upper and lower surfaces of the cutter 5 cannot be bonded with the upper and lower surfaces of the inner cavity of the sheath 6; if the thickness of the clamping groove 8 is smaller than that of the cutter 5, when cutting, the end, connected with the clamping groove 8, of the cutter 5 is in direct contact with the sheath 6 to generate friction, so that abrasion of the cutter 5 is increased; if the thickness is uniform, the clamping groove 8 can reduce some abrasion and has a certain protection effect on the cutting blade 5. The whole device works in water in the production and processing, rust cannot be generated or scraps cannot be generated in the knife sheath 6, a cutter is polluted, and the cutter is directly contacted with water and materials, so that the product is greatly influenced; therefore, the clamping groove 8 is made of high-strength stainless steel materials, and other parts of the sheath 6 are also made of materials which are not easy to rust.
Before dicing, one end of the cutter 5 can be directly inserted into the clamping groove 8 from the opening end of the sheath 6, or the disassembling plate 9 is opened, the elastic piece 10 and the clamping groove 8 are taken out, the cutter 5 is placed into the clamping groove 8, the slideway 7 is placed together from the sealing end of the sheath 6, then the elastic piece 10 is placed, and the disassembling plate 9 is sealed; the sheath 6 is then bolted to the tool holder 3 and the cutter 5 is mounted. The former method is simple and quick, and the latter method can ensure that the cutter 5 and the clamping groove 8 are installed more accurately. The sheath 6 need not to be dismantled during follow-up tool changing, only need to dismantle the board 9 open get put cutter 5 can (the cutter is used to the complete after wearing and tearing surplus part card in the draw-in groove, be difficult for directly taking out from the open end, consequently need to open and dismantle the board and take out the draw-in groove together), need not to dismantle the knife rest repeatedly, easy operation, high efficiency.
During grain cutting, the cutter head 4 is connected with the hydraulic machine 2, the hydraulic machine 2 is arranged on the motor 1, the motor 1 drives the hydraulic machine 2 and the cutter head 4 to rotate together, and the hydraulic machine 2 provides telescopic force through a telescopic rod; the cutter head 3 is arranged on the cutter head 4, after the cutter 5 is installed, the cutting edge faces the wire outlet hole 12 of the template 11, and the hydraulic press 2 provides a thrust force (along the central axis direction of the cutter head) for the cutter head 3 so as to ensure that the cutting edge of the cutter 5 is uniformly attached to the template 11; as shown in fig. 5, each cutter 5 can automatically adjust a cutting plane according to the force provided by the elastic member 10, and rotationally cut off the material extruded from the wire outlet 12 to complete the dicing.
In the use process of the utility model, each cutter 5 is provided with a single elastic piece 10 for providing thrust (along the direction parallel to the central axis of the cutter disc), so that each cutter 5 can be close to a template without leveling and sharpening, and the cutters 5 can slide back and forth in the sheath 6 and can be worn completely (compared with the prior art, the rest part is greatly reduced), thereby avoiding waste and saving cost.
The utility model also provides a granulator, which comprises the underwater hot granulating cutter device.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, unless otherwise indicated, the terms "upper," "lower," "left," "right," "inner," "outer," and the like are used for convenience in describing the present utility model and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not denote or imply that the devices or elements in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The foregoing technical solution is only one embodiment of the present utility model, and various modifications and variations can be easily made by those skilled in the art based on the principles disclosed in the present utility model, and are not limited to the technical solutions described in the foregoing specific examples of the present utility model, therefore, the foregoing description is only preferred and not in any limiting sense.
Claims (10)
1. An underwater hot-dicing cutter device comprising: cutter disc, knife rest and cutter, the cutter disc is a disc, and a plurality of knife rest evenly distributed is on the excircle of cutter disc, its characterized in that: the cutter device further comprises a cutter sheath, the cutter is arranged in the cutter sheath, and the cutter sheath is arranged on the cutter rest;
the sheath is of a hollow structure, one end in the length direction of the sheath is an open end, and the other end is a sealed end;
An elastic piece is arranged in the sheath, the elastic piece is arranged between the cutters and the sealing end of the sheath, and one ends of all the cutters extend out from the opening end of the sheath and face the same plane.
2. The underwater thermal dicing cutter device of claim 1, wherein: the cutter is of a cuboid structure, and one end of the cutter extending out of the sheath is a cutting edge.
3. The underwater thermal dicing cutter device of claim 2, wherein: the cross section of the inner cavity of the sheath is rectangular, and the width of the rectangle is the same as the thickness of the cutter.
4. An underwater thermal pelleting cutter device as claimed in claim 3, wherein: a slide way and a clamping groove are arranged in the sheath;
the slide way is arranged along the length direction of the sheath, and the clamping groove is in sliding fit with the slide way;
One end of the cutter is placed in the clamping groove, and the elastic piece is positioned between the clamping groove and the sealing end of the sheath.
5. The underwater thermal dicing cutter device of claim 4, wherein: the slide ways are positioned at the left side and the right side of the inner cavity of the sheath, are coplanar with the inner cavity of the sheath, and are symmetrically arranged at the left side and the right side;
The clamping groove is concave, the outer sides of the two ends are respectively contacted with the surfaces of the slide ways, the thickness is consistent with that of the cutter, and the groove width is consistent with that of the cutter.
6. The underwater thermal dicing cutter device of claim 5, wherein: the outer end of the slideway is provided with a plug.
7. The underwater thermal dicing cutter device of any one of claims 1-6, wherein: the sealing end of the sheath is provided with a dismounting plate.
8. The underwater thermal dicing cutter device of claim 7, wherein: the elastic piece is a spring, and the central line of the spring is parallel to the length direction of the sheath.
9. The underwater thermal dicing cutter device of claim 7, wherein: the cutter rest and the cutter head are of an integrated structure, and the number of the cutter rest is six.
10. A granulator, characterized in that: the pelletizer including an underwater thermal pelletizer cutter device as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420095659.9U CN221985521U (en) | 2024-01-15 | 2024-01-15 | Underwater hot pelletizing cutter device and pelletizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420095659.9U CN221985521U (en) | 2024-01-15 | 2024-01-15 | Underwater hot pelletizing cutter device and pelletizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221985521U true CN221985521U (en) | 2024-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420095659.9U Active CN221985521U (en) | 2024-01-15 | 2024-01-15 | Underwater hot pelletizing cutter device and pelletizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221985521U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119446694A (en) * | 2024-12-10 | 2025-02-14 | 业展电子(惠州市)有限公司 | Alloy resistor stamping device, resistor production process and alloy resistor |
-
2024
- 2024-01-15 CN CN202420095659.9U patent/CN221985521U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119446694A (en) * | 2024-12-10 | 2025-02-14 | 业展电子(惠州市)有限公司 | Alloy resistor stamping device, resistor production process and alloy resistor |
| CN119446694B (en) * | 2024-12-10 | 2025-06-10 | 业展电子(惠州市)有限公司 | Alloy resistor stamping device, resistor production process and alloy resistor |
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