CN110154264B - Plastic particle quantitative conveying and dehumidifying device - Google Patents
Plastic particle quantitative conveying and dehumidifying device Download PDFInfo
- Publication number
- CN110154264B CN110154264B CN201910525351.7A CN201910525351A CN110154264B CN 110154264 B CN110154264 B CN 110154264B CN 201910525351 A CN201910525351 A CN 201910525351A CN 110154264 B CN110154264 B CN 110154264B
- Authority
- CN
- China
- Prior art keywords
- rotary drum
- quantitative conveying
- dehumidifying device
- plastic particle
- controller
- 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.)
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- 239000004033 plastic Substances 0.000 title claims abstract description 46
- 229920003023 plastic Polymers 0.000 title claims abstract description 46
- 239000002245 particle Substances 0.000 title claims abstract description 43
- 238000005192 partition Methods 0.000 claims abstract description 4
- 239000003638 chemical reducing agent Substances 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 2
- 238000007791 dehumidification Methods 0.000 abstract description 11
- 238000007599 discharging Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000009423 ventilation Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 10
- 238000001746 injection moulding Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C2045/0096—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor drying the moulding material before injection, e.g. by heating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a plastic particle quantitative conveying and dehumidifying device, which comprises: the automatic feeding device comprises a controller, a shell, a rotary drum, a charging basket, a tray, a bellows and a hopper, wherein the rotary drum is concentrically arranged in the shell, the tray is arranged below the rotary drum, a ring-shaped array in the rotary drum is provided with three partition boards to divide an inner cavity of the rotary drum into three independent cavities, the charging basket is positioned above one of the independent cavities, an electric control valve linearly connected with the controller is arranged at the bottom of the charging basket, a discharging opening and an air hole area are respectively arranged below the other two independent cavities and are arranged on the tray, and micropores are densely distributed in the air hole area. Through the mode, the plastic particle quantitative conveying and dehumidifying device is particularly provided with the rotary drum with three independent cavities, is matched with the tray and is respectively responsible for feeding, ventilation, dehumidification and discharging, has a simple structure, and realizes dehumidification in the plastic particle quantitative conveying process.
Description
Technical Field
The invention relates to the field of plastics production related machinery, in particular to a plastic particle quantitative conveying and dehumidifying device.
Background
The plastic particles are raw materials for producing various plastic products, and the stirring and feeding of the additives are convenient. Such as injection molding machines, heat plastic particles to form molten plastic fluid, then inject the plastic fluid into a mold, and cool and solidify the plastic fluid into a plastic product.
Obviously, in the production process, the injection molding machine needs high-temperature heating to melt plastic particles, if the humidity of the plastic particles is high, steam is formed during heating, normal injection is affected, and the defect of a product is caused, so that dehumidification of the plastic particles is needed. Most of the existing dehumidification devices are complex in structure and high in cost, quantitative feeding of plastic particles cannot be performed, and the requirement of automatic production of an injection molding machine is difficult to meet.
Disclosure of Invention
The invention mainly solves the technical problem of providing the plastic particle quantitative conveying and dehumidifying device, which simplifies the structure and realizes quantitative dehumidification and feeding of plastic particles.
In order to solve the technical problems, the invention adopts a technical scheme that: provided is a plastic particle quantitative conveying and dehumidifying device, comprising: the automatic feeding device comprises a controller, a shell, a rotary drum, a charging basket, a tray, bellows and a hopper, wherein the rotary drum is concentrically arranged in the shell, the tray is arranged below the rotary drum, a ring-shaped array in the rotary drum is provided with three partition boards to divide an inner cavity of the rotary drum into three independent cavities, the charging basket is positioned above one of the independent cavities, an electric control valve linearly connected with the controller is arranged at the bottom of the charging basket, a feed opening and an air hole area are respectively arranged below the other two independent cavities, micropores are densely distributed in the air hole area, the bellows is arranged below the tray and is communicated with the air hole area, and the hopper is arranged below the tray and is communicated with the feed opening.
In a preferred embodiment of the invention, the housing is provided with a thrust bearing at the bottom of the drum and a deep groove ball bearing at the outer circumference of the drum.
In a preferred embodiment of the present invention, the cross section of the independent cavity is fan-shaped.
In a preferred embodiment of the present invention, a barrel support is disposed on one side of the top of the housing, and the barrel is fixed on the barrel support.
In a preferred embodiment of the invention, the diameter of the micropores is smaller than the particle diameter of the plastic particles.
In a preferred embodiment of the present invention, the air hole area and the feed opening are respectively in a fan-shaped structure and smaller than the cross section of the independent cavity.
In a preferred embodiment of the present invention, the controller is a PLC controller.
In a preferred embodiment of the invention, a gear ring is arranged on the outer circle of the rotary drum, a speed reducer bracket is arranged on one side of the shell, a speed reducer is arranged on the speed reducer bracket, a gear meshed with the gear ring is arranged at the output end of the speed reducer, a servo motor is arranged at the input end of the speed reducer, the controller is in linear connection with the servo motor, and openings corresponding to the gear and the speed reducer are arranged on one side of the shell.
In a preferred embodiment of the invention, a gas collecting hood is arranged at the bottom of the shell, an exhaust pipe is arranged at the top of the gas collecting hood, a honeycomb baffle plate positioned at the top of the rotary drum is arranged in the gas collecting hood, the honeycomb baffle plate is positioned right above the air hole area, a humidity sensor is arranged in the exhaust pipe, and the humidity sensor is in linear connection with the controller.
In a preferred embodiment of the present invention, a compressed air inlet pipe is arranged at one side of the bellows, and a solenoid valve is arranged on the compressed air inlet pipe and is in linear connection with the controller.
The beneficial effects of the invention are as follows: the plastic particle quantitative conveying and dehumidifying device has the advantages that the rotary drum with three independent cavities is specially designed and matched with the tray, and is respectively responsible for feeding, ventilation, dehumidification and discharging, the structure is simple, rotation is switched, the working processes are not mutually influenced, the production efficiency is greatly improved, dehumidification in the plastic particle quantitative conveying process is realized, and automatic production of injection molding equipment is facilitated.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic view of a plastic particle quantitative conveying and dehumidifying apparatus according to a preferred embodiment of the present invention;
FIG. 2 is a top view of the drum of FIG. 1;
Fig. 3 is a top view of the tray of fig. 1.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 3, an embodiment of the present invention includes:
The plastic particle quantitative conveying and dehumidifying device shown in fig. 1 comprises: the rotary drum 1 is concentrically arranged in the shell 2, the tray is arranged below the rotary drum 1, the annular array of the rotary drum 1 is provided with three partition plates 18 to divide the inner cavity of the rotary drum 1 into three independent cavities 19, the sections of the independent cavities 19 are fan-shaped, the size is the same, the switching is flexible, the three independent cavities 19 are respectively responsible for feeding, ventilation and dehumidification and discharging, and a thrust bearing 3 positioned at the bottom of the rotary drum 1 and a deep groove ball bearing 23 positioned at the outer circle of the rotary drum are arranged in the shell 2, so that the rotary switching of the rotary drum 1 is facilitated.
The rotary drum 1 is provided with a gear ring 17 on the outer circle, one side of the shell 2 is provided with a speed reducer bracket 9, the speed reducer bracket 9 is provided with a speed reducer 11, the output end of the speed reducer 11 is provided with a gear 12 meshed with the gear ring 17, and the rotary drum 1 is driven to rotate through the speed reducer 11 to realize the function conversion of the independent cavity 19.
The input end of the speed reducer 11 is provided with a servo motor 10, the controller is in linear connection with the servo motor 10, and is a PLC controller, and according to setting, the rotating angle of the rotary drum 1 is automatically controlled with high precision. The opening corresponding to the gear 12 and the speed reducer 11 is arranged on one side of the shell 2, so that the gear 12 and the speed reducer 11 are convenient to install.
The charging basket 15 is located the top of one of them independent cavity, is responsible for the feeding, casing 2 top one side is provided with charging basket support 16, charging basket 15 is fixed on charging basket support 16, and the installation is convenient, does not influence the rotation of rotary drum 1, charging basket 15 bottom is provided with the automatically controlled valve of being connected with the controller is linear, carries out the opening time control of automatically controlled valve through the controller, realizes quantitative feeding, then closes.
The tray 4 is provided with a feed opening 20 and an air hole area 21 which are respectively positioned below the other two independent cavities and are respectively responsible for discharging, ventilation and dehumidification. The air hole area 21 and the feed opening 20 are respectively in a fan-shaped structure and are smaller than the cross section of the independent cavity 19.
The pore region 21 is densely provided with micropores, and the diameter of the micropores is smaller than the particle diameter of the plastic particles, so that the problem that the plastic particles fall through the micropores is avoided. The bellows 7 sets up in the below of tray 4 and is linked together with gas pocket district 21, bellows 7 one side is provided with compressed air ingress pipe 8, be provided with the solenoid valve on the compressed air ingress pipe 8, solenoid valve and controller linear connection, after the solenoid valve was opened, compressed air got into bellows 7 to upwards jet the air current through the micropore, drive the tumbling of plastics particle above the micropore, realize the dehumidification drying of plastics particle.
The utility model discloses a discharge vessel, including casing, discharge vessel, barrel 15, gas collecting hood 13 is provided with to the casing bottom, carries out the collection of waste gas, the gas collecting hood 13 top is provided with blast pipe 14, be provided with the honeycomb baffle 22 that is located rotary drum 1 top in the gas collecting hood 13, avoid plastic particle's spill, honeycomb baffle 22 is located the gas pocket district 21 directly over, does not influence the unloading of storage bucket 15. The humidity sensor is arranged in the exhaust pipe 14 and is in linear connection with the controller for detecting the humidity of exhaust gas, so that the controller is convenient to control the electromagnetic valve, and the gas is saved.
The ceramic electric heating rod connected with the controller can be installed in the bellows 7, when the humidity of plastic particles is large, the controller starts a circuit of the ceramic electric heating rod to heat air, hot air is formed, and the dehumidification efficiency of the plastic particles is improved.
The hopper 5 is arranged below the tray 4 and is communicated with the blanking opening 20, dried plastic particles enter the hopper 5 through the blanking opening 20, and a feeding pipe 6 is arranged at the bottom of the hopper 5 and can be connected with a feeding device of an injection molding machine to realize automatic feeding.
In summary, the plastic particle quantitative conveying and dehumidifying device realizes quantitative conveying of plastic particles, dehumidifies and dries in the conveying process, is beneficial to automatic production of an injection molding machine, improves product quality, and is compact in structure, small in occupied area, low in cost and wide in application range.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.
Claims (8)
1. A plastic particle quantitative conveying and dehumidifying device for drying plastic particles, which is characterized by comprising: the automatic feeding device comprises a controller, a shell, a rotary drum, a charging basket, a tray, bellows and a hopper, wherein the rotary drum is concentrically arranged in the shell, the tray is arranged below the rotary drum, a ring-shaped array of the rotary drum is provided with three partition boards to divide an inner cavity of the rotary drum into three independent cavities, the charging basket is arranged above one of the independent cavities, an electric control valve linearly connected with the controller is arranged at the bottom of the charging basket, a feed opening and an air hole area which are respectively arranged below the other two independent cavities are arranged on the tray, micropores are densely distributed in the air hole area, the bellows is arranged below the tray and is communicated with the air hole area, the hopper is arranged below the tray and is communicated with the feed opening, the diameter of the micropores is smaller than the particle size of plastic particles, a gas collecting hood is arranged at the top of the shell, an exhaust pipe is arranged at the top of the gas collecting hood, a honeycomb baffle arranged at the top of the rotary drum is arranged in the gas collecting hood, and a humidity sensor is arranged in the exhaust pipe and is linearly connected with the controller.
2. The plastic particle quantitative conveying and dehumidifying device as claimed in claim 1, wherein a thrust bearing positioned at the bottom of the rotary drum and a deep groove ball bearing positioned at the outer circumference of the rotary drum are arranged in the shell.
3. The plastic particle quantitative conveying and dehumidifying device as claimed in claim 1, wherein the cross section of the independent cavity is a sector.
4. The plastic particle quantitative conveying and dehumidifying device as claimed in claim 1, wherein a charging basket support is arranged on one side of the top of the shell, and the charging basket is fixed on the charging basket support.
5. A plastic particle quantitative conveying and dehumidifying device as claimed in claim 3, wherein the air hole area and the feed opening are respectively of a fan-shaped structure and smaller than the section of the independent cavity.
6. The plastic particle quantitative conveying and dehumidifying device as claimed in claim 1, wherein the controller is a PLC controller.
7. The plastic particle quantitative conveying and dehumidifying device according to claim 1, wherein a gear ring is arranged on the outer circle of the rotary drum, a speed reducer support is arranged on one side of the shell, a speed reducer is arranged on the speed reducer support, a gear meshed with the gear ring is arranged at the output end of the speed reducer, a servo motor is arranged at the input end of the speed reducer, the controller is in linear connection with the servo motor, and openings corresponding to the gear and the speed reducer are arranged on one side of the shell.
8. The plastic particle quantitative conveying and dehumidifying device as claimed in claim 1, wherein a compressed air inlet pipe is arranged on one side of the bellows, a solenoid valve is arranged on the compressed air inlet pipe, and the solenoid valve is in linear connection with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910525351.7A CN110154264B (en) | 2019-06-18 | 2019-06-18 | Plastic particle quantitative conveying and dehumidifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910525351.7A CN110154264B (en) | 2019-06-18 | 2019-06-18 | Plastic particle quantitative conveying and dehumidifying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110154264A CN110154264A (en) | 2019-08-23 |
| CN110154264B true CN110154264B (en) | 2024-04-26 |
Family
ID=67625781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910525351.7A Active CN110154264B (en) | 2019-06-18 | 2019-06-18 | Plastic particle quantitative conveying and dehumidifying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110154264B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115871127B (en) * | 2023-02-14 | 2023-05-05 | 汕头市三润机电科技有限公司 | Raw material pretreatment equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201043847Y (en) * | 2007-04-17 | 2008-04-02 | 高九昌 | Novel dehumidification rotating wheel |
| CN204555766U (en) * | 2014-12-23 | 2015-08-12 | 贵州开磷集团股份有限公司 | A kind of solid granular material cooling device |
| CN206755738U (en) * | 2017-01-03 | 2017-12-15 | 湖北天星粮油股份有限公司 | A kind of chaff dregs of rice dryer |
| CN108618183A (en) * | 2018-05-15 | 2018-10-09 | 合肥图腾龙机械设计有限公司 | A kind of roughage dries pulverizing screening plant |
| CN210552339U (en) * | 2019-06-18 | 2020-05-19 | 沙洲职业工学院 | Plastic particle quantitative conveying and dehumidifying device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1401634B1 (en) * | 2010-08-03 | 2013-07-26 | Moretto Spa | HOPPER STRUCTURE, DEHUMIDIFICATION PLANT AND DEHUMIDIFICATION PROCEDURE OF GRANULAR PLASTIC MATERIAL. |
-
2019
- 2019-06-18 CN CN201910525351.7A patent/CN110154264B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201043847Y (en) * | 2007-04-17 | 2008-04-02 | 高九昌 | Novel dehumidification rotating wheel |
| CN204555766U (en) * | 2014-12-23 | 2015-08-12 | 贵州开磷集团股份有限公司 | A kind of solid granular material cooling device |
| CN206755738U (en) * | 2017-01-03 | 2017-12-15 | 湖北天星粮油股份有限公司 | A kind of chaff dregs of rice dryer |
| CN108618183A (en) * | 2018-05-15 | 2018-10-09 | 合肥图腾龙机械设计有限公司 | A kind of roughage dries pulverizing screening plant |
| CN210552339U (en) * | 2019-06-18 | 2020-05-19 | 沙洲职业工学院 | Plastic particle quantitative conveying and dehumidifying device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110154264A (en) | 2019-08-23 |
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