CN113478678A - Ultra-precise soft resin granulator - Google Patents
Ultra-precise soft resin granulator Download PDFInfo
- Publication number
- CN113478678A CN113478678A CN202110961181.4A CN202110961181A CN113478678A CN 113478678 A CN113478678 A CN 113478678A CN 202110961181 A CN202110961181 A CN 202110961181A CN 113478678 A CN113478678 A CN 113478678A
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- China
- Prior art keywords
- roll
- knife
- ultra
- soft resin
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011347 resin Substances 0.000 title claims abstract description 21
- 229920005989 resin Polymers 0.000 title claims abstract description 21
- 230000006835 compression Effects 0.000 claims abstract description 28
- 238000007906 compression Methods 0.000 claims abstract description 28
- 238000001816 cooling Methods 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000005520 cutting process Methods 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 12
- 230000036346 tooth eruption Effects 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 description 20
- 238000003825 pressing Methods 0.000 description 9
- 239000002245 particle Substances 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 3
- 238000005453 pelletization Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses an ultra-precise soft resin granulator, which comprises a rack and a granulating device arranged on the rack, wherein the granulating device comprises a bottom plate, an outer frame, a rotary cutter roll, a fixed cutter, an upper compression roll and a lower compression roll; the frame bottom still is provided with out the feed cylinder, it extends to outside the frame to go out the feed cylinder.
Description
The technical field is as follows:
the invention belongs to the technical field of grain cutters, and particularly relates to an ultra-precise soft resin grain cutter.
Background art:
the pelletizing processing is a common process in the production process of soft resin (such as foamed polypropylene EPP), the pelletizer is equipment for pelletizing processing, and the existing pelletizer has the defects that the assembly is complicated, the material strips shake during cutting, the cutter roll expands to influence the appearance of particles and the like. The length range of EPP particles is generally 0.2mm-3mm, the product can be cut off only by the ultra-micro particles with the gap between the movable knife and the fixed knife being 0.01-0.02mm, but when the gap between the movable knife and the fixed knife is generally 0.01-0.02mm, thermal expansion is easily generated during cutting, so that the movable knife and the fixed knife are impacted by sound to generate major equipment accidents, therefore, in order to avoid the gap between the equipment with normal thermal expansion from reaching more than 0.05mm, and when the gap reaches more than 0.05mm, the cutting precision can not be ensured.
The information gleaned from this background section is only intended to enhance an understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art that is already known to a person skilled in the art.
The invention content is as follows:
the present invention is directed to an ultra-precise soft resin pelletizer that overcomes the above-mentioned deficiencies of the prior art.
An ultra-precise soft resin granulator comprises a rack and a granulating device arranged on the rack, wherein the granulating device comprises a bottom plate, an outer frame, a rotary knife roll, a fixed knife, an upper compression roll and a lower compression roll, the bottom plate is fixed on the rack, the outer frame is arranged on the bottom plate, two ends of the rotary knife roll, the fixed knife, the upper compression roll and the lower compression roll are respectively fixed on the outer frame, the outermost ring of the rotary knife roll is provided with a circle of cutting teeth, the upper compression roll and the lower compression roll are both arranged on the outer side of the rotary knife roll and are distributed in the upper and lower positions, the fixed knife is arranged between the rotary knife roll and the lower compression roll, and the fixed knife is of a vertical structure and is close to the cutting teeth on the outermost ring of the rotary knife roll; the frame bottom still is provided with out the feed cylinder, it extends to outside the frame to go out the feed cylinder.
The clearance between the cutting teeth of the outermost ring of the rotary knife roller and the fixed knife is 0.01-0.02 mm.
The rotary knife roll comprises a knife roll body, a knife shaft and a joint, wherein the knife roll body is arranged on the knife shaft, a cooling gap is formed between the knife roll body and the knife shaft, the joint is arranged at the end part of the knife shaft, the knife shaft extends towards the inner part from one end to form a transverse water cooling channel, the end part of the transverse water cooling channel is provided with a transition channel, a longitudinal water cooling channel is arranged inside the knife shaft and is communicated with the cooling gap, a water inlet channel and a water outlet channel are arranged in the joint, the water inlet channel is embedded into the transverse water cooling channel, and the water outlet channel is connected with the transition channel.
The end part of the discharging barrel is provided with a group of slots, and the end part of the discharging barrel is connected with the bottom of the outer frame through the slots.
The lower compression roller is characterized in that a lower compression roller seat is further arranged at the end part of the lower compression roller, the lower compression roller seat is embedded into the outer frame, an adjusting bolt is further arranged on the outer frame, and the end part of the adjusting bolt abuts against the lower compression roller seat.
The two ends of the upper compression roller are further connected with adjusting arms, adjusting rods are further arranged on the adjusting arms, a plurality of limiting rods are arranged on the adjusting rods, and the limiting rods are fixed on the adjusting rods through rotating rings.
Still be provided with a plurality of groups on the bottom plate and pull strutting arrangement, pull strutting arrangement and include mounting panel, support arm and backing roll, the mounting panel is fixed on the bottom plate, support arm wherein one end is connected with the mounting panel through the pivot, and the other end is connected with the backing roll through the pivot.
And a feeding switch door is also arranged at the position of the outer frame, which is positioned outside the traction support device.
Compared with the prior art, the invention has the following beneficial effects:
(1) the fixed cutter is of a vertical structure, so that the distance from a pressing point between the upper pressing roller and the lower pressing roller to a cutting point can be shortened, the disturbance of material strips during material cutting is avoided, and the cut particles are ensured to have good appearance;
(2) a water cooling channel is arranged in the rotary knife roll, so that the knife roll can be prevented from expanding, and the cutting quality is further ensured;
(3) the end part of the discharging barrel is connected with the bottom of the outer frame through the slot, so that the discharging barrel is more convenient and quicker to disassemble and assemble compared with the traditional screw;
(4) the lower pressing roller can be adjusted through the adjusting bolt, and the gap between the lower pressing roller and the fixed knife can be ensured, so that the material cutting stability is ensured, and the material cutting quality is further ensured;
(5) the adjusting arm and the traction supporting device are arranged, so that feeding stability is improved, and material cutting quality is further guaranteed.
Description of the drawings:
FIG. 1 is a schematic view of an ultra-precise soft resin pelletizer according to the present invention;
FIG. 2 is a schematic view of a part of the structure of a pelletizing apparatus of an ultra-precise soft resin pelletizer according to the present invention;
FIG. 3 is a schematic view of a rotary cutter roll of an ultra-precise soft resin pelletizer according to the present invention;
FIG. 4 is a schematic view of a discharge barrel of an ultra-precise soft resin pelletizer in accordance with the present invention;
FIG. 5 is a schematic cross-sectional view showing a partial structure of an ultra-precise soft resin pelletizer according to the present invention;
the reference signs are: 1-frame, 2-grain cutting device, 21-bottom plate, 211-mounting plate, 212-supporting arm, 213-supporting roller, 214-rotating shaft, 215-feeding switch door, 22-outer frame, 23-rotary knife roller, 231-knife roller body, 232-knife shaft, 233-joint, 234-cooling gap, 235-transverse water-cooling channel and 236-transition channel, 237-longitudinal water cooling channel, 238-water inlet channel, 239-water outlet channel, 24-fixed knife, 25-upper press roll, 251-adjusting arm, 252-adjusting rod, 253-limiting rod, 254-rotating ring, 26-lower press roll, 261-lower press roll seat, 262-adjusting bolt, 27-cutting tooth, 3-discharging barrel and 31-slot.
The specific implementation mode is as follows:
the following detailed description of specific embodiments of the invention is provided, but it should be understood that the scope of the invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
As shown in fig. 1-5, an ultra-precise soft resin granulator comprises a frame 1 and a granulating device 2 disposed on the frame 1, wherein the granulating device 2 comprises a bottom plate 21, an outer frame 22, a rotary knife roll 23, a fixed knife 24, an upper press roll 25 and a lower press roll 26, the bottom plate 21 is fixed on the frame 1, the outer frame 22 is disposed on the bottom plate 21, two ends of the rotary knife roll 23, the fixed knife 24, the upper press roll 25 and the lower press roll 26 are respectively fixed on the outer frame 22, an outermost circle of the rotary knife roll 23 is provided with a circle of cutting teeth 27, the upper press roll 25 and the lower press roll 26 are disposed outside the rotary knife roll 23 and distributed in an up-down position, the fixed knife 24 is disposed between the rotary knife roll 23 and the lower press roll 26, and the fixed knife 24 is in a vertical structure and abuts against the cutting teeth 27 on the outermost circle of the rotary knife roll 23; the bottom of the outer frame 22 is also provided with a discharging barrel 3, and the discharging barrel 3 extends out of the frame 1.
Further, in order to ensure the cutting precision, the gap between the cutting teeth 27 on the outermost ring of the rotary knife roller 23 and the fixed knife 24 is 0.01-0.02 mm.
Further, for avoiding revolving knife roller 23 thermal energy and influence the cutting quality, revolving knife roller 23 includes knife roller body 231, arbor 232 and joint 233, knife roller body 231 sets up on arbor 232, be provided with cooling gap 234 between knife roller body 231 and the arbor 232, joint 233 sets up at arbor 232 tip, arbor 232 has horizontal water-cooling channel 235 from one of them one end to inside extension, horizontal water-cooling channel 235 tip is provided with transition passageway 236, the inside vertical water-cooling channel 237 that still is provided with of arbor 232, vertical water-cooling channel 237 and cooling gap 234 intercommunication, be provided with inhalant canal 238 and exhalant canal 239 in the joint 233, inhalant canal 238 imbeds in horizontal water-cooling channel 235, exhalant canal 239 is connected with transition passageway 236.
Further, in order to facilitate the assembly and disassembly, a set of slots 31 is disposed at an end of the discharging barrel 3, and the end of the discharging barrel 3 is connected with the bottom of the outer frame 22 through the slots 31.
Further, in order to control the gap between the lower roller 26 and the fixed knife 24, a lower roller seat 261 is further disposed at an end of the lower roller 26, the lower roller seat 261 is embedded in the outer frame 22, an adjusting bolt 262 is further disposed on the outer frame 22, and an end of the adjusting bolt 262 abuts against the lower roller seat 261.
Further, in order to improve the stability of the material during material transmission, two ends of the upper pressing roller 25 are further connected with adjusting arms 251, the adjusting arms 251 are further provided with adjusting rods 252, the adjusting rods 252 are provided with a plurality of limiting rods 253, and the limiting rods 253 are fixed on the adjusting rods 252 through rotating rings 254.
Further, for the stability of material when improving material transport, still be provided with a plurality of groups on the bottom plate 21 and pull strutting arrangement, it includes mounting panel 211, support arm 212 and backing roll 213 to pull strutting arrangement, mounting panel 211 is fixed on bottom plate 21, support arm 212 wherein one end is connected with mounting panel 211 through pivot 214, and the other end is connected with backing roll 213 through pivot 214.
Further, in order to ensure the cleanness of the equipment in the shutdown state, a feeding switch door 215 is further disposed on the outer frame 22 at a position outside the traction support device.
In implementation, the feeding switch door 215 is opened, a material to be cut is placed above the supporting roller 213 and passes through the space between the upper pressing roller 25 and the lower pressing roller 26, the limiting rod 253 presses the material from the upper side of the material, the fixed knife 24 supports the material from the material, the rotary knife roller 23 rotates, and the cutting teeth 27 cut the material into particles with fixed specifications, wherein the fixed knife 24 is of a vertical structure, so that the distance between a material pressing point and a material cutting point can be shortened, the material is prevented from being disturbed, the cutting quality is improved, and the cut particles are discharged from the discharging barrel 3; in the cutting process, cooling water can be introduced into the transverse water-cooling channel 235 of the cutter shaft 232 through the water inlet channel 238 of the joint 233, the cooling water enters the cooling gap 234 from the longitudinal water-cooling channel 237 to better cool the cutter roller body 231, and meanwhile, the cooling water flows out from the transverse water-cooling channel 235 through the water outlet channel 239 of the joint to form circulation; meanwhile, when materials are conveyed, the lower pressure roller can be adjusted through the adjusting bolt 262, so that the gap between the lower pressure roller and the fixed knife is fixed, and the cutting stability is guaranteed.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (8)
1. An ultra-precise soft resin granulator is characterized in that: the cutting device comprises a rack and a cutting device arranged on the rack, wherein the cutting device comprises a bottom plate, an outer frame, a rotary cutter roll, a fixed cutter, an upper compression roll and a lower compression roll, the bottom plate is fixed on the rack, the outer frame is arranged on the bottom plate, two ends of the rotary cutter roll, the fixed cutter, the upper compression roll and the lower compression roll are respectively fixed on the outer frame, the outermost ring of the rotary cutter roll is provided with a circle of cutting teeth, the upper compression roll and the lower compression roll are arranged on the outer side of the rotary cutter roll and are distributed in the upper and lower positions, the fixed cutter is arranged between the rotary cutter roll and the lower compression roll, and the fixed cutter is of a vertical structure and is close to the cutting teeth on the outermost ring of the rotary cutter roll; the frame bottom still is provided with out the feed cylinder, it extends to outside the frame to go out the feed cylinder.
2. The ultra-precise soft resin pelletizer according to claim 1, wherein: the clearance between the cutting teeth of the outermost ring of the rotary knife roller and the fixed knife is 0.01-0.02 mm.
3. The ultra-precise soft resin pelletizer according to claim 1, wherein: the rotary knife roll comprises a knife roll body, a knife shaft and a joint, wherein the knife roll body is arranged on the knife shaft, a cooling gap is formed between the knife roll body and the knife shaft, the joint is arranged at the end part of the knife shaft, the knife shaft extends towards the inner part from one end to form a transverse water cooling channel, the end part of the transverse water cooling channel is provided with a transition channel, a longitudinal water cooling channel is arranged inside the knife shaft and is communicated with the cooling gap, a water inlet channel and a water outlet channel are arranged in the joint, the water inlet channel is embedded into the transverse water cooling channel, and the water outlet channel is connected with the transition channel.
4. The ultra-precise soft resin pelletizer according to claim 1, wherein: the end part of the discharging barrel is provided with a group of slots, and the end part of the discharging barrel is connected with the bottom of the outer frame through the slots.
5. The ultra-precise soft resin pelletizer according to claim 1, wherein: the lower compression roller is characterized in that a lower compression roller seat is further arranged at the end part of the lower compression roller, the lower compression roller seat is embedded into the outer frame, an adjusting bolt is further arranged on the outer frame, and the end part of the adjusting bolt abuts against the lower compression roller seat.
6. The ultra-precise soft resin pelletizer according to claim 1, wherein: the two ends of the upper compression roller are further connected with adjusting arms, adjusting rods are further arranged on the adjusting arms, a plurality of limiting rods are arranged on the adjusting rods, and the limiting rods are fixed on the adjusting rods through rotating rings.
7. The ultra-precise soft resin pelletizer according to claim 1, wherein: still be provided with a plurality of groups on the bottom plate and pull strutting arrangement, pull strutting arrangement and include mounting panel, support arm and backing roll, the mounting panel is fixed on the bottom plate, support arm wherein one end is connected with the mounting panel through the pivot, and the other end is connected with the backing roll through the pivot.
8. The ultra-precise soft resin pelletizer according to claim 7, wherein: and a feeding switch door is also arranged at the position of the outer frame, which is positioned outside the traction support device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110961181.4A CN113478678A (en) | 2021-08-20 | 2021-08-20 | Ultra-precise soft resin granulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110961181.4A CN113478678A (en) | 2021-08-20 | 2021-08-20 | Ultra-precise soft resin granulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113478678A true CN113478678A (en) | 2021-10-08 |
Family
ID=77945843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110961181.4A Pending CN113478678A (en) | 2021-08-20 | 2021-08-20 | Ultra-precise soft resin granulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113478678A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114395227A (en) * | 2021-12-06 | 2022-04-26 | 湖南登科材料科技有限公司 | Composite material containing straw and preparation equipment thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191405745A (en) * | 1914-03-06 | 1915-04-15 | Jacob Thomas | Improvements in Wall Paper Trimming Machines. |
| GB882875A (en) * | 1959-09-23 | 1961-11-22 | Ici Ltd | Production of moulding compositions |
| CN205614868U (en) * | 2016-04-12 | 2016-10-05 | 东莞市奥能工程塑料有限公司 | Grain scraper is cut to pelleter |
| CN111590675A (en) * | 2020-06-19 | 2020-08-28 | 成都煜翔机械有限公司 | Water-cooled brace pelleter |
-
2021
- 2021-08-20 CN CN202110961181.4A patent/CN113478678A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191405745A (en) * | 1914-03-06 | 1915-04-15 | Jacob Thomas | Improvements in Wall Paper Trimming Machines. |
| GB882875A (en) * | 1959-09-23 | 1961-11-22 | Ici Ltd | Production of moulding compositions |
| CN205614868U (en) * | 2016-04-12 | 2016-10-05 | 东莞市奥能工程塑料有限公司 | Grain scraper is cut to pelleter |
| CN111590675A (en) * | 2020-06-19 | 2020-08-28 | 成都煜翔机械有限公司 | Water-cooled brace pelleter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114395227A (en) * | 2021-12-06 | 2022-04-26 | 湖南登科材料科技有限公司 | Composite material containing straw and preparation equipment thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211008 |
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| RJ01 | Rejection of invention patent application after publication |