CN110789144A - Method for manufacturing once-formed super-long plastic sintered plate - Google Patents
Method for manufacturing once-formed super-long plastic sintered plate Download PDFInfo
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- CN110789144A CN110789144A CN201911117048.XA CN201911117048A CN110789144A CN 110789144 A CN110789144 A CN 110789144A CN 201911117048 A CN201911117048 A CN 201911117048A CN 110789144 A CN110789144 A CN 110789144A
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- 239000004033 plastic Substances 0.000 title claims abstract description 75
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000001816 cooling Methods 0.000 claims abstract description 34
- 238000005245 sintering Methods 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 32
- 239000000428 dust Substances 0.000 claims abstract description 20
- 238000004140 cleaning Methods 0.000 claims abstract description 18
- 238000002156 mixing Methods 0.000 claims abstract description 12
- 238000005496 tempering Methods 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 238000002372 labelling Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000012360 testing method Methods 0.000 claims abstract description 7
- 238000005520 cutting process Methods 0.000 claims abstract description 6
- 238000012545 processing Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 6
- 238000000137 annealing Methods 0.000 claims description 3
- 238000004134 energy conservation Methods 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 239000007888 film coating Substances 0.000 claims description 2
- 238000009501 film coating Methods 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 abstract description 5
- 238000000576 coating method Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000000465 moulding Methods 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 abstract description 2
- 238000012856 packing Methods 0.000 abstract 1
- 210000003128 head Anatomy 0.000 description 9
- 238000003672 processing method Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
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- 238000005498 polishing Methods 0.000 description 1
- 210000002489 tectorial membrane Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- 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
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/0011—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for shaping plates or sheets
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
-
- 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
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
-
- 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
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/02—Moulding by agglomerating
- B29C67/04—Sintering
-
- 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
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/02—Thermal after-treatment
-
- 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
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/02—Thermal after-treatment
- B29C2071/022—Annealing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention relates to a method for manufacturing a once-formed super-long sintered plate, which selects superior mould steel to manufacture a super-long sintered plate mould, and the sintered plate is always in a controlled state at each processing stage, and the adopted production steps comprise: preparing and mixing materials; assembling a mold; automatic feeding; performing linear vibration; putting the mould into a furnace; controlling sintering; discharging the mold; cooling control; opening the mold and extracting the core rod; taking out the sintered plate and cleaning the mold; tempering the plastic sintered plate; an electrical control system; positioning and cutting; coating a film on the surface; the head and the bottom protective frames are arranged; mounting a sealing strip; testing wind pressure resistance; labeling; packing and putting into a box or warehousing. The manufacturing method can ensure the effective implementation of the integrated molding technology of the plastic sintered plate, ensures the product quality by using the automatic equipment to participate in the control management of each link, provides a new option for saving space and increasing the selection of the plastic sintered plate dust remover, and has important application value.
Description
Technical Field
The invention belongs to the fusion application of process flow reconstruction and automatic equipment of plastic sintered filter materials, and relates to a method for manufacturing a plastic sintered plate meeting requirements by changing the process flow and fusing the automatic equipment with a once-formed plastic sintered plate, in particular to a method for manufacturing a once-formed super-long plastic sintered plate.
Background
The traditional filter materials (filter element, filter bag, filter cylinder and filter plate) are used as the main filter materials for air pollution control, and most of the filter materials adopt non-woven fabrics and fiber fabrics, commonly known as: a filter cartridge and a cloth bag. Along with the increase of environmental assessment strength in recent years, the particulate emission value of carbon oxide is improved, and the original 30mg/m in the steel rolling industry3Reduced to 10mg/m3. Therefore, the selection range of the plastic sintered filter material is included in the selection range of the filter material.
In the current market, plastic sintering plates and plastic sintering cylinder dust removal equipment are used as high-end equipment in the dust removal industry, and are responsible for the main force of ultra-clean emission of particulate matters. However, the number of new projects is limited, and the traditional plastic sintering plate and plastic sintering cylinder can meet the requirements in the aspect. In the face of the reality that the transformation project is endless, the original environmental protection project cannot meet the working condition requirement due to the limitation of the construction site, and many fields cannot make articles in length and width and only need space in height, so that a new requirement is provided for technical personnel in the industry of plastic sintering filter materials, an ultra-long plastic sintering plate or plastic sintering cylinder and a manufacturing method corresponding to the product process flow are developed to meet the increasing and vigorous requirements of plastic sintering filter materials for preventing and treating air pollution, and the problem to be solved in the field of current environmental protection materials is urgent.
As for the traditional plastic burning plate using plastic burning filtering materials, the product is produced by the Heding invention of Germany as early as the end of the twentieth century, enters the automobile industry and the steel rolling industry of steel in China at the beginning of the century, is mainly used for removing dust in humid environment, automobile welding and polishing and paint environment, and belongs to high-end industrial environment. The sintered plate has two processing methods in general: one is a processing method for integrating two pieces of folded plate glue, and the other is a processing method for integrating feeding and heating by a mould. Regardless of the type of processing method, the length of the sintering plate is set to be 1500mm, the width of the sintering plate is 500mm and 1000mm, and the products can still exert the technical advantages of large filtering area, high control precision and low emission value in a new project, but cannot meet the practical requirement of technical transformation of mass old equipment. At present, an over-length plastic sintered plate is urgently needed to fill the gap so as to meet the increasing demands of the market.
In view of this, scientific research personnel in the field of dust removal are dedicated to research and develop an ultra-long plastic-fired plate, which is used for solving the problem of limited occupied space encountered in the technical transformation of equipment in the dust removal industry, effectively controlling the production of the plastic-fired plate in a standard process flow and ensuring the product quality of the plastic-fired plate.
Disclosure of Invention
The invention aims to provide a method for manufacturing a once-formed super-long plastic sintered plate, which selects superior mould steel to manufacture a super-long plastic sintered plate mould, adopts a manufacturing method that the plastic sintered plate is always in a controlled state at each processing stage, ensures the effective implementation of the plastic sintered plate integrated forming technology and ensures the product quality, reduces the quality problems of plate body bulging and the like caused by the cross lapping edge in gluing production and product use of the existing secondary-formed plastic sintered plate, and ensures that the production of the once-formed super-long plastic sintered plate plays an important role in the problem of limited occupied space.
The technical solution of the invention is as follows:
a method for manufacturing a once-formed super-long plastic-sintered plate selects superior mould steel to manufacture a super-long plastic-sintered plate mould, the length of the mould is 2-3 m, the plastic-sintered plate is always in a controlled state at each processing stage, and the method specifically comprises the following steps:
(1) preparing and mixing materials, namely screening and screening used raw materials, weighing and proportioning according to a material formula, guiding the proportioned and synthesized raw materials into a mixer for uniform mixing, sending an instruction by an electric control system according to the temperature rise condition during uniform mixing, and carrying out automatic operation of mold stripping and cooling;
(2) assembling a die, wherein the die is cleaned and kept clean and free of dust, then the head of the die is installed, a core rod is placed in the die and embedded into a tail positioning device, and the die is assembled under the condition that the core rod is ensured to be integrally flat;
(3) automatic feeding, namely placing the die on a linear vibration table, and after the die is automatically weighed by a feeding device, inserting the formula material into a feeding hole at the tail part of the die through a rod to perform transverse movement for feeding;
(4) linear vibration, namely performing linear vibration when the feeding of the die is finished, wherein the vibration time is automatically closed according to the time given by an electric control system so as to ensure that the material is uniformly filled, and then closing a tail charging hole to be suitable for the next procedure;
(5) putting the mold into a furnace, moving the mold after charging into a sintering furnace, and closing a safety device on the hook after the mold is hung for burning;
(6) sintering control, namely closing a furnace door after the mold is installed, and automatically controlling by a sintering electric control system according to the temperature rising, heat preservation and cooling programs;
(7) discharging the mold, opening a furnace door and a hanging safety device after the sintering process is finished, and moving the mold into a cooling working section;
(8) cooling control, namely placing the mold stably on a cooling workbench, rotationally moving the workbench according to the given rotation speed of an electric control system, automatically opening air cooling systems on two sides of the workbench during rotation and carrying out all-dimensional balanced cooling on the mold, and automatically judging and closing the cooling time by a cooling device according to the temperature given by a sensor;
(9) opening and extracting the core rod, placing the cooled mold on a mold opening operation table, opening the head device firstly, then installing a D-shaped hanging ring on the core rod, extracting the core rod from the mold at one time by using a core extractor, cleaning the core rod for later use, disassembling fastening devices at two sides of the mold, lifting the upper mold and taking away the plastic burning plate;
(10) taking out the plastic burning plate, cleaning the mold, and cleaning the mold up, down, left and right after taking out the plastic burning plate without leaving any dust and residue for later use in next mold filling;
(11) tempering the plastic burning plate, after the plastic burning plate is demoulded, hanging the plastic burning plate on a seat lug in the center of an annealing furnace, closing a furnace door after the plastic burning plate is fully hung, starting an annealing program, automatically entering tempering operation, and controlling the operation time by a system;
(12) the electric control system sends a working instruction to each working section by combining real-time data given by each working section sensor according to working parameters set by each working section, and strictly executes working time, working temperature and opening and closing time; the electric control system is respectively connected with and controls the automatic feeding control unit, the linear vibration control unit, the sintering furnace control unit, the cooling device control unit and the tempering furnace control unit;
(13) positioning and cutting to ensure that the size of the plastic-fired plate produced in each batch can be kept uniform in the transverse direction and the longitudinal direction, so that the plastic-fired plate is convenient to mount in the subsequent process;
(14) the surface is coated with a film, the film coating material is polytetrafluoroethylene, the polytetrafluoroethylene material has smooth wear-resisting film-forming property, the aperture of particulate matters and the dust emission concentration can be controlled, and the smooth ash removal of an ash removal system can be assisted;
(15) the head protection frame and the bottom protection frame are arranged, the head protection frame is a protection device for fixing the plastic burning plate, the strength of the plastic burning plate during installation is ensured, the plastic burning plate is stable during normal operation, and the bottom protection frame is an auxiliary device for fixing the limit of a shaking gap of the plastic burning plate during ash unloading operation and playing a role in shaking and stressing during the ash unloading operation;
(16) the sealing strips are installed to ensure that the ash bin and the cleaning chamber are tightly closed;
(17) the wind pressure resistance test verifies the applicability of the material formula and the controllability of the sintering temperature, the applicability and the controllability can be optimized and improved according to the obtained data, powerful support is provided for the operation parameters of the whole equipment, and the energy conservation, low-pressure-difference operation and high-efficiency operation of the equipment are ensured;
(18) labeling, displaying the brand of the product, the production time and other basic information, and facilitating the understanding of users and the need of convenience in later maintenance;
(19) and packaging and putting into a box or warehousing, after the product manufacturing process is finished, cleaning floating dust, sleeving a plastic bag, and then putting into a wooden box for reinforcement to ensure that goods are not damaged and warehousing is finished.
According to the manufacturing method of the once-formed overlength plastic sintered plate, the superior mould steel is selected to manufacture the overlength plastic sintered plate mould, the length of the mould is 2-3 m, the plastic sintered plate is always in a controlled state in each processing stage, and automatic equipment is fused to standardize the production of products, so that the effective implementation of the integrated forming technology of the plastic sintered plate and the quality of the products are ensured, the quality problems of plate body bulging and the like caused by the cross scrap bonding and the product use in the gluing production of the existing secondary forming plastic sintered plate are reduced, the production of the once-formed overlength plastic sintered plate plays an important role in the difficult problem of floor space limitation, and the production requirements of smaller production space, less floor area, land saving, steel saving and the like are met.
The method for manufacturing the once-formed super-long plastic sintered plate adopts the production steps of: preparing and mixing materials; assembling a mold; automatic feeding; performing linear vibration; putting the mould into a furnace; controlling sintering; discharging the mold; cooling control; opening the mold and extracting the core rod; taking out the sintered plate and cleaning the mold; tempering the plastic sintered plate; an electrical control system; positioning and cutting; coating a film on the surface; the head and the bottom protective frames are arranged; mounting a sealing strip; testing wind pressure resistance; labeling; and packaging and boxing (warehousing).
The process flow and the manufacturing method formed by the working procedures can ensure the effective implementation of the integrated molding technology of the plastic-sintered plate, utilize automatic equipment to participate in the control and management of each link, ensure the product quality, provide a new option for saving the space and increasing the selection of the plastic-sintered plate dust remover and have important application value.
Drawings
FIG. 1 is a flow chart of a method for manufacturing a once-formed super-long sintered plate according to the present invention.
Reference numerals:
the method comprises the following steps of 1, proportioning and mixing, 2, assembling a die, 3, automatic feeding, 4, linear vibration, 5, feeding the die, 6, sintering, 7, discharging the die, 8, cooling, 9, opening the die to extract a core rod, 10, taking out a plastic burning plate and cleaning a die, 11, tempering the plastic burning plate, 12, an electrical control system, 13, 14, surface coating, 15, head protection, 16, sealing strip installation, 17, wind pressure resistance test, 18, labeling, 19, 31, an automatic feeding control unit, 41, 61, a sintering furnace control unit, 81, a cooling device control unit and 111, wherein the linear vibration control unit is used for positioning and cutting, the surface coating, the packaging protection head installation, the wind pressure resistance test, the labeling, the packaging warehouse entry, the automatic feeding control unit, the linear vibration control.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Referring to fig. 1, the invention provides a method for manufacturing an over-length sintered plate by one-step molding, which selects superior mould steel to manufacture an over-length sintered plate mould, wherein the length of the mould is 2-3 m, the sintered plate is always in a controlled state at each processing stage, and the method specifically comprises the following steps:
(1) the method comprises the following steps of proportioning and mixing, screening and screening used raw materials, weighing and proportioning according to a material formula, guiding the proportioned and synthesized raw materials into a mixer for uniform mixing, sending an instruction by an electric control system according to the temperature rise condition during uniform mixing, and carrying out automatic operation of mold stripping and cooling.
(2) And (3) assembling the die, wherein the die is cleaned and kept clean and free of dust, then the head part of the die is installed, the core rod is placed in the die and embedded into the tail positioning device, and the die is assembled under the condition that the core rod is ensured to be integrally flat.
(3) And (3) automatic feeding, namely placing the die on a linear vibration table, and after the die is automatically weighed by a feeding device, inserting the formula material into a feed inlet at the tail part of the die by a handle rod to perform transverse movement for feeding.
(4) And (3) linear vibration, wherein when the mold is charged, the mold is linearly vibrated, the vibration time is automatically closed according to the time given by the electric control system so as to ensure that the material is uniformly filled, and then the tail charging port is sealed to be suitable for the next procedure.
(5) And (4) putting the mold into a furnace, moving the mold after charging into a sintering furnace, and closing a safety device on the hook after the mold is hung for burning.
(6) Sintering control, closing the furnace door after the mold is installed, and automatically controlling by a sintering electric control system according to the temperature rising, heat preservation and cooling programs.
(7) And (4) discharging the mold, opening a furnace door and a hanging safety device after the sintering process is finished, and moving the mold into a cooling working section.
(8) And cooling control, namely, the mold is stably placed on a cooling workbench, the workbench rotates according to the rotating speed given by the electric control system, the air cooling systems on the two sides of the workbench automatically open and carry out all-dimensional balanced cooling on the mold during rotation, and the cooling time is automatically judged and closed by a cooling device according to the temperature given by the sensor.
(9) Opening and extracting the core rod, placing the cooled mold on a mold opening operation table, opening the head device firstly, then installing a D-shaped hanging ring on the core rod, extracting the core rod from the mold at one time by the core extractor, cleaning the core rod for later use, disassembling the fastening devices at two sides of the mold, hanging the upper mold and taking away the plastic burning plate.
(10) And taking out the plastic burning plate, cleaning the mold, and cleaning the mold up, down, left and right after taking out the plastic burning plate without leaving any dust and residue for later use in next mold filling.
(11) And (3) tempering the plastic burning plate, hanging the plastic burning plate on a seat lug in the center of the annealing furnace after the plastic burning plate is demoulded, closing a furnace door after the plastic burning plate is fully hung, starting an annealing program, automatically entering tempering operation, and controlling the operation time by a system.
(12) The electric control system is a key system for determining success or failure of sintering, and the system sends a working instruction to each working section according to working parameters set by each working section and by combining real-time data given by each working section sensor, and strictly executes working time, working temperature and opening and closing time. As shown in fig. 1, the electrical control system connects and controls the automatic charging control unit (31), the linear vibration control unit (41), the sintering furnace control unit (61), the cooling device control unit (81), and the tempering furnace control unit (111), respectively.
(13) The location cutting ensures that the size of the plastic burning plate produced in each batch can be kept uniform in the transverse direction and the longitudinal direction, and the subsequent installation is facilitated.
(14) The surface coating, tectorial membrane material are polytetrafluoroethylene, and polytetrafluoroethylene material possesses smooth wear-resisting film binding nature good, is the main means of control particulate matter aperture and dust emission concentration, can also assist the smooth and easy deashing of help deashing system.
(15) The head and the bottom protection frames are installed, the head protection frame is a protection device for fixing the plastic burning plate, the strength of the plastic burning plate during installation is guaranteed, the plastic burning plate is stable during normal operation, the bottom protection frame is a limit for a shaking gap of the fixed plastic burning plate during ash discharging operation, and an auxiliary device for shaking and stressing during ash discharging operation is played.
(16) The sealing strips are installed to ensure that the ash bin and the cleaning chamber are tightly closed, and if the sealing is not good enough, the ash leakage phenomenon can be caused.
(17) The wind pressure resistance test can verify the applicability of the material formula and the controllability of the sintering temperature, can optimize and improve the applicability and the controllability according to the obtained data, provides powerful support for the operation parameters of the whole equipment, and ensures the energy conservation, low-pressure-difference operation and high-efficiency operation of the equipment.
(18) Labeling, displaying the brand of the product, the production time and other basic information, and facilitating the understanding of users and the need of later maintenance convenience.
(19) And packaging and putting into a box or warehousing, after the product manufacturing process is finished, cleaning floating dust, sleeving a plastic bag, and then putting into a wooden box for reinforcement to ensure that goods are not damaged and warehousing is finished.
The process flow and the manufacturing method formed by the working procedures can ensure the effective implementation of the integrated molding technology of the plastic-sintered plate, utilize automatic equipment to participate in the control and management of each link, ensure the product quality, provide a new option for saving the space and increasing the selection of the plastic-sintered plate dust remover and have important application value.
Of course, those skilled in the art will recognize that the above-described embodiments are illustrative only and not intended to be limiting, and that changes, modifications, etc. to the above-described embodiments are intended to fall within the scope of the appended claims, provided they fall within the true spirit and scope of the present invention.
Claims (1)
1. A method for manufacturing a once-formed super-long plastic sintered plate is characterized by comprising the following steps: the method is characterized in that a superior mould steel is selected to manufacture a plastic-fired plate mould with an excess length, the length of the mould is 2-3 m, the plastic-fired plate is always in a controlled state in each processing stage, and the method specifically comprises the following steps:
(1) preparing and mixing materials, namely screening and screening used raw materials, weighing and proportioning according to a material formula, guiding the proportioned and synthesized raw materials into a mixer for uniform mixing, sending an instruction by an electric control system according to the temperature rise condition during uniform mixing, and carrying out automatic operation of mold stripping and cooling;
(2) assembling a die, wherein the die is cleaned and kept clean and free of dust, then the head of the die is installed, a core rod is placed in the die and embedded into a tail positioning device, and the die is assembled under the condition that the core rod is ensured to be integrally flat;
(3) automatic feeding, namely placing the die on a linear vibration table, and after the die is automatically weighed by a feeding device, inserting the formula material into a feeding hole at the tail part of the die through a rod to perform transverse movement for feeding;
(4) linear vibration, namely performing linear vibration when the feeding of the die is finished, wherein the vibration time is automatically closed according to the time given by an electric control system so as to ensure that the material is uniformly filled, and then closing a tail charging hole to be suitable for the next procedure;
(5) putting the mold into a furnace, moving the mold after charging into a sintering furnace, and closing a safety device on the hook after the mold is hung for burning;
(6) sintering control, namely closing a furnace door after the mold is installed, and automatically controlling by a sintering electric control system according to the temperature rising, heat preservation and cooling programs;
(7) discharging the mold, opening a furnace door and a hanging safety device after the sintering process is finished, and moving the mold into a cooling working section;
(8) cooling control, namely placing the mold stably on a cooling workbench, rotationally moving the workbench according to the given rotation speed of an electric control system, automatically opening air cooling systems on two sides of the workbench during rotation and carrying out all-dimensional balanced cooling on the mold, and automatically judging and closing the cooling time by a cooling device according to the temperature given by a sensor;
(9) opening and extracting the core rod, placing the cooled mold on a mold opening operation table, opening the head device firstly, then installing a D-shaped hanging ring on the core rod, extracting the core rod from the mold at one time by using a core extractor, cleaning the core rod for later use, disassembling fastening devices at two sides of the mold, lifting the upper mold and taking away the plastic burning plate;
(10) taking out the plastic burning plate, cleaning the mold, and cleaning the mold up, down, left and right after taking out the plastic burning plate without leaving any dust and residue for later use in next mold filling;
(11) tempering the plastic burning plate, after the plastic burning plate is demoulded, hanging the plastic burning plate on a seat lug in the center of an annealing furnace, closing a furnace door after the plastic burning plate is fully hung, starting an annealing program, automatically entering tempering operation, and controlling the operation time by a system;
(12) the electric control system sends a working instruction to each working section by combining real-time data given by each working section sensor according to working parameters set by each working section, and strictly executes working time, working temperature and opening and closing time; the electric control system is respectively connected with and controls the automatic feeding control unit (31), the linear vibration control unit (41), the sintering furnace control unit (61), the cooling device control unit (81) and the tempering furnace control unit (111);
(13) positioning and cutting to ensure that the size of the plastic-fired plate produced in each batch can be kept uniform in the transverse direction and the longitudinal direction, so that the plastic-fired plate is convenient to mount in the subsequent process;
(14) the surface is coated with a film, the film coating material is polytetrafluoroethylene, the polytetrafluoroethylene material has smooth wear-resisting film-forming property, the aperture of particulate matters and the dust emission concentration can be controlled, and the smooth ash removal of an ash removal system can be assisted;
(15) the head protection frame and the bottom protection frame are arranged, the head protection frame is a protection device for fixing the plastic burning plate, the strength of the plastic burning plate during installation is ensured, the plastic burning plate is stable during normal operation, and the bottom protection frame is an auxiliary device for fixing the limit of a shaking gap of the plastic burning plate during ash unloading operation and playing a role in shaking and stressing during the ash unloading operation;
(16) the sealing strips are installed to ensure that the ash bin and the cleaning chamber are tightly closed;
(17) the wind pressure resistance test verifies the applicability of the material formula and the controllability of the sintering temperature, the applicability and the controllability can be optimized and improved according to the obtained data, powerful support is provided for the operation parameters of the whole equipment, and the energy conservation, low-pressure-difference operation and high-efficiency operation of the equipment are ensured;
(18) labeling, displaying the brand of the product, the production time and other basic information, and facilitating the understanding of users and the need of convenience in later maintenance;
(19) and packaging and putting into a box or warehousing, after the product manufacturing process is finished, cleaning floating dust, sleeving a plastic bag, and then putting into a wooden box for reinforcement to ensure that goods are not damaged and warehousing is finished.
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| CN201911117048.XA CN110789144A (en) | 2019-11-18 | 2019-11-18 | Method for manufacturing once-formed super-long plastic sintered plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911117048.XA CN110789144A (en) | 2019-11-18 | 2019-11-18 | Method for manufacturing once-formed super-long plastic sintered plate |
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| CN105820416A (en) * | 2016-04-29 | 2016-08-03 | 秦诗发 | 3D sintering anti-static flame retardant air-liquid filter plate |
| CN105860212A (en) * | 2016-04-29 | 2016-08-17 | 秦诗发 | 3D plastic-sintered antistatic flame-retardant gas-liquid filter cartridge |
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| CN107537242A (en) * | 2017-07-27 | 2018-01-05 | 秦诗发 | Filter and processing mold are burnt in one-shot forming modeling |
| CN109592726A (en) * | 2018-12-06 | 2019-04-09 | 福建省鑫森炭业股份有限公司 | A kind of active carbon drainage filter core preparation method and preparation system |
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| CN101773748A (en) * | 2010-03-13 | 2010-07-14 | 核工业烟台同兴实业有限公司 | Manufacture process of ultrahigh molecular weight polyethylene (UHMWPE) filter plate |
| CN105820416A (en) * | 2016-04-29 | 2016-08-03 | 秦诗发 | 3D sintering anti-static flame retardant air-liquid filter plate |
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| CN106435409A (en) * | 2016-09-26 | 2017-02-22 | 太原理工大学 | Preparation method of neutron absorbing composite material |
| CN107537244A (en) * | 2017-07-27 | 2018-01-05 | 秦诗发 | Screen pipe and processing mold are burnt in one-shot forming modeling |
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