CN110642012A - Concentrated batching system for powder coating - Google Patents
Concentrated batching system for powder coating Download PDFInfo
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- CN110642012A CN110642012A CN201910801853.8A CN201910801853A CN110642012A CN 110642012 A CN110642012 A CN 110642012A CN 201910801853 A CN201910801853 A CN 201910801853A CN 110642012 A CN110642012 A CN 110642012A
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- storage tank
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/06—Gas pressure systems operating without fluidisation of the materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/712—Feed mechanisms for feeding fluids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/714—Feed mechanisms for feeding predetermined amounts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
- B65D88/64—Large containers characterised by means facilitating filling or emptying preventing bridge formation
- B65D88/70—Large containers characterised by means facilitating filling or emptying preventing bridge formation using fluid jets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/66—Use of indicator or control devices, e.g. for controlling gas pressure, for controlling proportions of material and gas, for indicating or preventing jamming of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/30—Mixing paints or paint ingredients, e.g. pigments, dyes, colours, lacquers or enamel
Abstract
The invention discloses a centralized batching system for powder coating, which comprises a control module for controlling the running state of the batching system, and a storage module, a feeding module and a batching module which are sequentially arranged along the powder conveying direction; the material storage module is communicated with the material supply module through a pipeline; the feeding module comprises a plurality of material storage tanks; the material storage tank is provided with a feeding hole and a discharging hole; the discharge hole is communicated with a metering hopper for calculating the powder amount; the weighing hopper conveys the powder to the batching module through a pipeline. The invention has the advantages of small occupied space, reasonable space utilization, compact connection between devices, simple system structure, low production cost, smooth connection between processes, environmental protection, high automation degree, high production efficiency and high finished product quality, and replaces the traditional manpower.
Description
Technical Field
The invention relates to the technical field of powder coating production, in particular to a centralized batching system for powder coating.
Background
The production of powder coating comprises several main process flows of batching, mixing, extruding, tabletting, grinding, separating, dedusting and the like, wherein the powder production equipment involved in each process and the effective connection among the equipment are the key points for determining the production quality of the powder coating. The powder coating production process is complicated, and equipment connecting lines are long, so that the problem that the whole powder production equipment manufacturer focuses on and solves at present how to reasonably arrange the positions and the connecting modes of all the equipment to obtain the best space ratio and obtain the best production quality is solved. Wherein, the feeding and the batching are the core links in the production process of the powder coating. Typical or common prior art techniques are:
for example, CN207774342U discloses a powder adding and conveying system for a batching tank of a coil workshop, which is characterized by comprising a raw material storage tank for providing material storage; a vacuum chamber for providing a storage space; the vacuum unit is used for providing conveying power; the temporary storage bin is used for providing material metering; the pneumatic regulating valve is used for providing on-off control; a dosing tank for providing dosing; the PLC is used for providing operation control; the analog quantity input module is used for providing variable detection; the digital quantity input module is used for detecting on-off signals; a relay for providing automatic control; and the touch screen is used for providing human-computer interaction. Another classic, for example, CN107694731A, discloses a full-automatic three-dimensional powder coating production line system, which is characterized in that the equipment part comprises a full-automatic batching system, a mixer, an extruder, a tablet press, a pulverizer, a first cyclone separator, a dust removal box, a heat exchanger, a rotary screen and a packaging and weighing machine; the internal circulation pipeline system connects the equipment to form a closed loop circulation pipeline; the electric control cabinet respectively controls and connects a full-automatic batching system and a material conveying mechanism of the production line system through a switch and a cable; the full-automatic batching system is used for realizing the accurate control of materials and delivering the batched materials to the conveying mechanism to be output to the system. It is also known, for example, from US4083607A to disclose a gas delivery system for powders having a delivery tube with an end portion of porous material having a pore size smaller than the particles of the powder; the porous end is surrounded by a jacket in which a vacuum is drawn to draw off the transport gas and reduce the filtration capacity, which would otherwise be removed. Pulsed pressure is periodically introduced into the sheath to purge particles from the interior of the porous tip; the vacuum is drawn into the jacket through a vacuum line containing a constriction through which a nozzle intermittently discharges high pressure gas to provide a pressure pulse in the jacket.
In conclusion, through the mass search of the applicant, the field has at least the following defects; the existing batching and conveying system adopts a bucket elevator and a spiral conveyor to add powder, lacks a control system, cannot control and detect the powder adding index in real time, and is inconvenient to operate; the existing batching and conveying system adopts a bucket elevator and a spiral conveyor to add powder, and the bucket elevator and the spiral conveyor have high acquisition and purchase cost and frequent maintenance; and the existing powder coating production line has the main problems of large space occupation ratio, unreasonable space utilization, incompact connection between devices, high production cost, poor connection between processes, environmental protection, low automation degree, low production efficiency, poor finished product quality and the like due to the fact that most processes are dependent on manual operation.
Therefore, there is a need to develop a centralized dosing system for powder coatings.
Disclosure of Invention
The object of the present invention is to provide a centralized dosing system for powder coatings to solve the problems described.
In order to achieve the purpose, the invention adopts the following technical scheme:
a centralized batching system of powder coating is characterized by comprising a control module for controlling the running state of the batching system, and a storage module, a feeding module and a batching module which are sequentially arranged along the production conveying direction; the material storage module is communicated with the material supply module through a pipeline; the feeding module comprises a plurality of material storage tanks; the material storage tank is provided with a feeding hole and a discharging hole; the discharge hole is communicated with a metering hopper for calculating the powder amount; the weighing hopper conveys the powder to the batching module through a pipeline.
Preferably, the storage module comprises a storage cavity; the material storage cavity is provided with an inlet end for putting powder and an outlet end communicated with the inlet end; the outlet end is provided with a first driving device; the first driving device comprises a first valve body assembly for controlling the motion state of the powder and a first air compressor for driving the powder to be conveyed from the material storage cavity to the material storage tank; the output end of the first air compressor is communicated with the first valve body assembly.
Preferably, a first bridge breaking device for eliminating powder bridging is arranged in the material storage cavity and close to the outlet end; include with hold the inside second air compressor who communicates in material chamber, just the air outlet orientation of second air compressor first broken bridge device.
Preferably, the storage module further comprises a workbench and a lifting device for lifting bagged powder; a material piling area and a throwing area are arranged on the workbench; the lifting device can move to and fro between the stockpiling area and the throwing area; the throwing area is formed above the inlet end of the material storage cavity.
Preferably, the feed inlet is provided with a switch assembly for controlling the powder to enter the material storage cavity; the switch assembly includes a first valve and a drive actuator that controls an open and closed state of the first valve.
Preferably, the discharge port of the storage tank is provided with a meter and a second driving device for controlling the outflow quantity and the outflow speed of the powder; the second driving device comprises a second valve body assembly for controlling the motion state of the powder and a third air compressor for driving the powder to be conveyed from the storage tank to the weighing hopper; an output of the third air compressor is in communication with the second valve body assembly.
Preferably, a pressure sensor is arranged in the measuring hopper; when the weight of the powder reaches a preset value of the pressure sensor, the pressure sensor is started and outputs a pressure signal to the control module; the control module outputs an instruction to control the second valve body assembly to stop powder flowing and control the third air compressor to stop working.
Preferably, a second bridge breaking device for eliminating powder bridging is arranged in the storage tank close to the outlet end; include with hold the inside third air compressor who communicates in material chamber, just the air outlet orientation of third air compressor the second breaks bridge device.
Preferably, the top of the storage tank is provided with an alarm device; when the alarm device detects that the powder reaches the capacity of the storage tank, the alarm device is started and outputs an alarm signal to the control module; the control module outputs an instruction to control the first valve body assembly to stop powder flowing and control the first air compressor to stop working.
Preferably, the number of the material storage cavities is single or a plurality of; when the number of the material storage cavities is single, the material storage cavities are connected with the plurality of material storage tanks in parallel; when the quantity of holding the material chamber is a plurality of, a plurality of hold material chamber and a plurality of the storage tank one-to-one intercommunication.
The beneficial effects obtained by the invention are as follows:
1. the batching system has the advantages of small space occupation ratio, reasonable space utilization and compact connection among devices.
2. The batching system has the advantages of simple structure, low production cost, smooth connection among the working procedures and environmental protection.
3. The batching system has high automation degree, replaces the traditional manpower, and has high production efficiency and high finished product quality.
Drawings
The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.
FIG. 1 is a schematic view showing a concentrated dispensing system for powder coating materials according to one embodiment of the present invention 1 to 3;
FIG. 2 is a second schematic view of the structure of a concentrated dispensing system for powder coating material of example 2 of the present invention
FIG. 3 is a third schematic view showing the construction of a concentrated dispensing system for powder coating materials according to example 2 of the present invention;
fig. 4 is a fourth schematic structural diagram of a centralized batching system for powder coating in embodiment 3 of the present invention.
Description of reference numerals: 1-a control module; 2, a material storage module; 21-a storage cavity; 211-an outlet end; 3-a feeding module; 4-a batching module; 5-a pipeline; 6-a material storage tank; 7-discharging port; 8-a measuring hopper; 9-a first drive; 91-a first valve body assembly; 92-a first air compressor; 10-a first bridge-breaking device; 11-a second air compressor; 12-a work bench; 121-a material pushing area; 13-a meter; 14-a second drive; 141-a second valve body assembly; 142-a third air compressor; 15-a pressure sensor; 16-a second bridge-breaking device; 17-a third air compressor; 18-an alarm device; 19-an output port; 20-a fourth air compressor; 22-a third valve body assembly; 23-rotating the discharging device; 24-a first rotary discharger; 25-a second rotary discharger; 26-a dust removal system; 27-a dust removal filter; 28-cylinder pulling body; 29-end cap; 30-a drive block; 31-driving the actuator; 32-a first valve; 33-lifting means.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to embodiments thereof; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Other systems, methods, and/or features of the present embodiments will become apparent to those skilled in the art upon review of the following detailed description. It is intended that all such additional systems, methods, features and advantages be included within this description, be within the scope of the invention, and be protected by the accompanying claims. Additional features of the disclosed embodiments are described in, and will be apparent from, the detailed description that follows.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or component referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms described above will be understood by those of ordinary skill in the art according to the specific circumstances.
The first embodiment is as follows:
as shown in fig. 1, the centralized batching system for powder coating comprises a control module 1 for controlling the running state of the batching system, and a storage module 2, a feeding module 3 and a batching module 4 which are sequentially arranged along the powder conveying direction; the material storage module 2 is communicated with the material supply module 3 through a pipeline 5; the feeding module 3 comprises a plurality of material storage tanks 6; the material storage tank 6 is provided with a feeding hole and a discharging hole 7; the discharge hole 7 is communicated with a metering hopper 8 for calculating the powder amount; the weighing hopper 8 conveys the powder to the batching module 4 through a pipeline 5.
Wherein the storage module 2 comprises a storage cavity 21; the material storage cavity 21 is provided with an inlet end for putting powder and an outlet end 211 communicated with the inlet end; the outlet end 211 is provided with a first driving device 9; the first driving device 9 comprises a first valve assembly 91 for controlling the powder motion state and a first air compressor 92 for driving the powder to be conveyed from the storage cavity 21 to the storage tank 6; the output of the first air compressor 92 is in communication with the first valve body assembly 91; wherein the number of the material storage cavities 21 is 1; the material storage cavity 21 is connected with a plurality of material storage tanks 6 in parallel.
Furthermore, in order to eliminate the powder bridging, a first bridging device 10 for eliminating the powder bridging is disposed in the storage chamber 21 of embodiment 1 near the outlet end 211; the device comprises a second air compressor 11 communicated with the interior of the material storage cavity 21, and an air outlet of the second air compressor 11 faces the first bridge-breaking device 10.
The storage module 2 further comprises a workbench 12 and a lifting device 33 for lifting bagged powder; a stacking area 121 and a throwing area are arranged on the workbench 12; the lifting device 33 can move to and from the stockpiling zone 121 and the throwing zone; the throwing area is formed above the inlet end of the storage cavity 21.
In addition, in this embodiment 2, the feed inlet is provided with a switch assembly for controlling the powder to enter the material storage cavity; the switch assembly includes a first valve 32 and a drive actuator 31 that controls the open and closed state of the first valve 32.
Preferably, the discharge port 7 of the storage tank is provided with a meter 13 and a second driving device 14 for controlling the outflow quantity and the outflow speed of the powder; the second driving device 14 includes a second valve body assembly 141 for controlling the powder motion state and a third air compressor 142 for driving the powder to be conveyed from the storage tank 6 to the weighing hopper 8; the output of the third air compressor 421 communicates with the second valve body assembly 141.
In order to improve the degree of automation, ensure the accuracy of the powder amount and further ensure the accuracy of the batching, a pressure sensor 15 is arranged in the weighing hopper 8 in the embodiment 1; when the weight of the powder reaches a preset value of the pressure sensor 15, the pressure sensor 15 is started and outputs a pressure signal to the control module 1; the control module 1 outputs an instruction to control the second valve body assembly 141 to stop the powder flow and control the third air compressor 142 to stop working.
In order to eliminate the powder bridging, reduce the powder residue, and further reduce the powder loss, a second bridge breaking device 16 for eliminating the powder bridging is disposed in the storage tank 6 of embodiment 1 near the discharge port 7; the device comprises a third air compressor 17 communicated with the interior of the material storage cavity 21, and an air outlet of the third air compressor 17 faces the second bridge breaking device 16.
In the embodiment 1, the top of the storage tank 6 is provided with an alarm device 18; when the alarm device 18 detects that the powder reaches the capacity of the storage tank 6, the alarm device 18 is started and outputs an alarm signal to the control module 1; the control module 1 outputs an instruction to control the first valve assembly 91 to stop the powder flow and control the first air compressor 92 to stop working.
As shown in fig. 1, the number of the material storage chambers is 1, the number of the material storage tanks is 6, the material storage chambers are connected in parallel with the material storage tanks, the 6 material storage tanks are respectively filled with different ingredients, when the material storage tanks lack ingredients, the corresponding ingredients are manually added into the material storage chambers, and the switch assemblies at the material inlet 6 of the corresponding material storage tanks are controlled; thereby ensuring that the ingredients of the corresponding storage tank are supplemented.
Example two:
as shown in fig. 1 to 3, the centralized batching system for powder coating comprises a control module 1 for controlling the running state of the batching system, and a storage module 2, a feeding module 3 and a batching module 4 which are sequentially arranged along the powder conveying direction; the material storage module 2 is communicated with the material supply module 3 through a pipeline 5; the feeding module 3 comprises a plurality of material storage tanks 6; the material storage tank 6 is provided with a feeding hole and a discharging hole 7; the discharge hole 7 is communicated with a metering hopper 8 for calculating the powder amount; the weighing hopper 8 conveys the powder to the batching module 4 through a pipeline 5.
Wherein the storage module 2 comprises a storage cavity 21; the material storage cavity 21 is provided with an inlet end for putting powder and an outlet end 211 communicated with the inlet end; the outlet end 211 is provided with a first driving device 9; the first driving device 9 comprises a first valve assembly 91 for controlling the powder motion state and a first air compressor 92 for driving the powder to be conveyed from the storage cavity 21 to the storage tank 6; the output of the first air compressor 92 is in communication with the first valve body assembly 91; when the quantity of holding material chamber 21 is a plurality of and hold the quantity of material chamber 21 and equal to the quantity of storage tank 6, a plurality of hold material chamber 21 and a plurality of storage tank 6 one-to-one communicates.
Furthermore, in order to eliminate the powder bridging, a first bridging device 10 for eliminating the powder bridging is disposed in the storage chamber 21 of embodiment 2 near the outlet end 211; the device comprises a second air compressor 11 communicated with the interior of the material storage cavity 21, and an air outlet of the second air compressor 11 faces the first bridge-breaking device 10.
The storage module 2 further comprises a workbench 12 and a lifting device 33 for lifting bagged powder; a stacking area 121 and a throwing area are arranged on the workbench 12; the lifting device 33 can move to and from the stockpiling zone 121 and the throwing zone; the throwing area is formed above the inlet end of the storage cavity 21.
In addition, in this embodiment 2, the feed inlet is provided with a switch assembly for controlling the powder to enter the material storage cavity; the switch assembly includes a first valve 32 and a drive actuator 31 that controls the open and closed state of the first valve 32.
Preferably, the discharge port 7 of the storage tank is provided with a meter 13 and a second driving device 14 for controlling the outflow quantity and the outflow speed of the powder; the second driving device 14 includes a second valve body assembly 141 for controlling the powder motion state and a third air compressor 142 for driving the powder to be conveyed from the storage tank 6 to the weighing hopper 8; the output of the third air compressor 421 communicates with the second valve body assembly 141.
In order to improve the degree of automation, ensure the accuracy of the powder amount and further ensure the accuracy of the ingredient feeding, a pressure sensor 15 is arranged in the weighing hopper 8 in the embodiment 2; when the weight of the powder reaches a preset value of the pressure sensor 15, the pressure sensor 15 is started and outputs a pressure signal to the control module 1; the control module 1 outputs an instruction to control the second valve body assembly 141 to stop the powder flow and control the third air compressor 142 to stop working.
In this embodiment 2, the weighing hopper 8 includes an input port communicating with the storage tank 6 and an output port 19 communicating with the batching module 4 through the pipe 5; the output port 19 is sequentially communicated with a third valve body assembly 22 and a rotary discharging device 23 along the powder flowing direction; a third bridge breaking device and a fourth air compressor 20 are arranged near the output port 19 of the weighing hopper; the output of the fourth air compressor 20 is directed towards the third breaking device.
In order to eliminate the powder bridging, reduce the powder residue, and further reduce the powder loss, a second bridge breaking device 16 for eliminating the powder bridging is disposed in the storage tank 6 of this embodiment 2 near the discharge port 7; the device comprises a third air compressor 17 communicated with the interior of the material storage cavity 21, and an air outlet of the third air compressor 17 faces the second bridge breaking device 16.
In this embodiment 2, an alarm device 18 is disposed at the top of the storage tank 6; when the alarm device 18 detects that the powder reaches the capacity of the storage tank 6, the alarm device 18 is started and outputs an alarm signal to the control module 1; the control module 1 outputs an instruction to control the first valve assembly 91 to stop the powder flow and control the first air compressor 92 to stop working.
In this embodiment 2, in order to ensure smooth discharging of the material storage chamber 21 and the material storage tank 6; the outlet end 211 of the material storage cavity 21 is provided with a first rotary discharging device 24; one end of the first rotary discharger 24 is communicated with the material storage cavity 21, and the other end is communicated with the first valve body assembly 91; a second rotary discharger 25 is arranged at the discharge hole 7 of the storage tank 6; one end of the second rotary discharger 25 is communicated with the storage tank 6, and the other end is communicated with the second valve body assembly 141.
In this embodiment 2, in order to meet the requirement of environmental protection, the storage chamber 21 and the storage tank 6 are both provided with a dust removal system 26 and a dust removal filter 27; the waste gas in the storage chamber 21 and the storage tank 6 is discharged to the atmosphere through a dust removing filter 27 and a dust removing system 26.
The batching module in the embodiment 2 comprises a cylinder body 28 with an opening at the top, an end cover 29 covering the opening of the cylinder body 28 and a driving block 30 for driving the end cover 29 to be opened and closed; the end cover 29 is provided with a plurality of interfaces 31; one end port of each of the plurality of ports 31 corresponds to and communicates with the plurality of weighing hoppers 8 one by one, and the other end port faces to the opening of the cylinder pulling body 28; the control module 1 controls the driving block 30 to start, the driving block 30 controls the end cover 29 to cover the opening of the cylinder body 28, and the powder channel pipeline 5 is conveyed into the cylinder body 28.
Example three:
as shown in fig. 1 and 3, the centralized batching system for powder coating comprises a control module 1 for controlling the running state of the batching system, and a storage module 2, a feeding module 3 and a batching module 4 which are sequentially arranged along the powder conveying direction; the material storage module 2 is communicated with the material supply module 3 through a pipeline 5; the feeding module 3 comprises a plurality of material storage tanks 6; the material storage tank 6 is provided with a feeding hole and a discharging hole 7; the discharge hole 7 is communicated with a metering hopper 8 for calculating the powder amount; the weighing hopper 8 conveys the powder to the batching module 4 through a pipeline 5.
Wherein the storage module 2 comprises a storage cavity 21; the material storage cavity 21 is provided with an inlet end for putting powder and an outlet end 211 communicated with the inlet end; the outlet end 211 is provided with a first driving device 9; the first driving device 9 comprises a first valve assembly 91 for controlling the powder motion state and a first air compressor 92 for driving the powder to be conveyed from the storage cavity 21 to the storage tank 6; the output of the first air compressor 92 is in communication with the first valve body assembly 91; when the quantity of holding material chamber 21 is a plurality of and hold the quantity of material chamber 21 and equal to the quantity of storage tank 6, a plurality of hold material chamber 21 and a plurality of storage tank 6 one-to-one communicates.
Furthermore, in order to eliminate the powder bridging, a first bridging device 10 for eliminating the powder bridging is disposed in the storage chamber 21 of embodiment 3 near the outlet end 211; the device comprises a second air compressor 11 communicated with the interior of the material storage cavity 21, and an air outlet of the second air compressor 11 faces the first bridge-breaking device 10.
The storage module 2 further comprises a workbench 12 and a lifting device 33 for lifting bagged powder; a stacking area 121 and a throwing area are arranged on the workbench 12; the lifting device 33 can move to and from the stockpiling zone 121 and the throwing zone; the throwing area is formed above the inlet end of the storage cavity 21.
In addition, in this embodiment 3, the feed inlet is provided with a switch assembly for controlling the powder to enter the material storage cavity 21; the switch assembly includes a first valve 32 and a drive actuator 31 that controls the open and closed state of the first valve 32. .
Preferably, the discharge port 7 of the storage tank is provided with a meter 13 and a second driving device 14 for controlling the outflow quantity and the outflow speed of the powder; the second driving device 14 includes a second valve body assembly 141 for controlling the powder motion state and a third air compressor 142 for driving the powder to be conveyed from the storage tank 6 to the weighing hopper 8; the output of the third air compressor 142 communicates with the second valve body assembly 141.
In order to improve the degree of automation, ensure the accuracy of the powder amount and further ensure the accuracy of the ingredient feeding, a pressure sensor 15 is arranged in the weighing hopper 8 in the embodiment 3; when the weight of the powder reaches a preset value of the pressure sensor 15, the pressure sensor 15 is started and outputs a pressure signal to the control module 1; the control module 1 outputs an instruction to control the second valve body assembly 141 to stop the powder flow and control the third air compressor 142 to stop working.
In this embodiment 3, the weighing hopper 8 includes an input port communicating with the storage tank 6 and an output port 19 communicating with the batching module 4 through the pipe 5; the output port 19 is sequentially communicated with a third valve body assembly 22 and a rotary discharging device 23 along the powder flowing direction; a third bridge breaking device and a fourth air compressor 20 are arranged near the output port 19 of the weighing hopper; the output of the fourth air compressor 20 is directed towards the third breaking device.
In order to eliminate the powder bridging, ensure the powder residue, and reduce the powder loss, a second bridge breaking device 16 for eliminating the powder bridging is disposed in the storage tank 6 of this embodiment 3 near the discharge port 7; the device comprises a third air compressor 17 communicated with the interior of the material storage cavity 21, and an air outlet of the third air compressor 17 faces the second bridge breaking device 16.
In this embodiment 3, an alarm device 18 is disposed at the top of the storage tank 6; when the alarm device 18 detects that the powder reaches the capacity of the storage tank 6, the alarm device 18 is started and outputs an alarm signal to the control module 1; the control module 1 outputs an instruction to control the first valve assembly 91 to stop the powder flow and control the first air compressor 92 to stop working.
In this embodiment 3, in order to ensure smooth discharging of the material storage chamber 21 and the material storage tank 6; the outlet end 211 of the material storage cavity 21 is provided with a first rotary discharging device 24; one end of the first rotary discharger 24 is communicated with the material storage cavity 21, and the other end is communicated with the first valve body assembly 91; a second rotary discharger 25 is arranged at the discharge hole 7 of the storage tank 6; one end of the second rotary discharger 25 is communicated with the storage tank 6, and the other end is communicated with the second valve body assembly 141.
In this embodiment 3, in order to meet the requirement of environmental protection, the storage chamber 21 and the storage tank 6 are both provided with a dust removal system 26 and a dust removal filter 27; the waste gas in the storage chamber 21 and the storage tank 6 is discharged to the atmosphere through a dust removing filter 27 and a dust removing system 26.
The batching module in this embodiment 3 includes a cylinder body 28 with an opening at the top, an end cover 29 covering the opening of the cylinder body 28, and a driving block 30 for driving the end cover 29 to open and close; the end cover 29 is provided with a plurality of interfaces 31; one end port of each of the plurality of ports 31 corresponds to and communicates with the plurality of weighing hoppers 8 one by one, and the other end port faces to the opening of the cylinder pulling body 28; the control module 1 controls the driving block 30 to start, the driving block 30 controls the end cover 29 to cover the opening of the cylinder body 28, and the powder channel pipeline 5 is conveyed into the cylinder body 28.
In this embodiment 3, the number of the cylinder pulling bodies 28 is several, and the output port 19 of each weighing hopper 8 is correspondingly communicated with one port of each cylinder pulling body 28 through a pipeline 5.
Although the invention has been described above with reference to various embodiments, it should be understood that many changes and modifications may be made without departing from the scope of the invention. That is, the methods, systems, and devices discussed above are examples. Various configurations may omit, substitute, or add various procedures or components as appropriate. For example, in alternative configurations, the methods may be performed in an order different than that described, and/or various components may be added, omitted, and/or combined. Moreover, features described with respect to certain configurations may be combined in various other configurations, as different aspects and elements of the configurations may be combined in a similar manner. Further, elements therein may be updated as technology evolves, i.e., many elements are examples and do not limit the scope of the disclosure or claims.
Specific details are given in the description to provide a thorough understanding of the exemplary configurations including implementations. However, configurations may be practiced without these specific details, for example, well-known circuits, processes, algorithms, structures, and techniques have been shown without unnecessary detail in order to avoid obscuring the configurations. This description provides example configurations only, and does not limit the scope, applicability, or configuration of the claims. Rather, the foregoing description of the configurations will provide those skilled in the art with an enabling description for implementing the described techniques. Various changes may be made in the function and arrangement of elements without departing from the spirit or scope of the disclosure.
It is intended that the foregoing detailed description be regarded as illustrative rather than limiting, and that it be understood that it is the following claims, including all equivalents, that are intended to define the spirit and scope of this invention. The above examples are to be construed as merely illustrative and not limitative of the remainder of the disclosure. After reading the description of the invention, the skilled person can make various changes or modifications to the invention, and these equivalent changes and modifications also fall into the scope of the invention defined by the claims.
Claims (10)
1. A centralized batching system of powder coating is characterized by comprising a control module for controlling the running state of the batching system, and a storage module, a feeding module and a batching module which are sequentially arranged along the production conveying direction; the material storage module is communicated with the material supply module through a pipeline; the feeding module comprises a plurality of material storage tanks; the material storage tank is provided with a feeding hole and a discharging hole; the discharge hole is communicated with a metering hopper for calculating the powder amount; the weighing hopper conveys the powder to the batching module through a pipeline.
2. A centralized batching system for powder coating materials as in claim 1, wherein said storage module comprises a storage chamber; the material storage cavity is provided with an inlet end for putting powder and an outlet end communicated with the inlet end; the outlet end is provided with a first driving device; the first driving device comprises a first valve body assembly for controlling the motion state of the powder and a first air compressor for driving the powder to be conveyed from the material storage cavity to the material storage tank; the output end of the first air compressor is communicated with the first valve body assembly.
3. The centralized batching system for powder coating material according to claim 2, wherein a first bridge breaking device for eliminating powder bridge formation is arranged in the storage chamber near the outlet end; include with hold the inside second air compressor who communicates in material chamber, just the air outlet orientation of second air compressor first broken bridge device.
4. The centralized batching system for powder coating according to claim 2, wherein said storage module further comprises a work table and a lifting device for lifting bagged powder; a material piling area and a throwing area are arranged on the workbench; the lifting device can move to and fro between the stockpiling area and the throwing area; the throwing area is formed above the inlet end of the material storage cavity.
5. The centralized batching system for powder coating material as recited in claim 2, wherein said feed inlet is provided with a switch assembly for controlling powder to enter said holding chamber; the switch assembly includes a first valve and a drive actuator that controls an open and closed state of the first valve.
6. The centralized batching system for powder coating according to claim 1, characterized in that the discharge port of the storage tank is provided with a meter and a second driving device for controlling the powder outflow and the outflow speed; the second driving device comprises a second valve body assembly for controlling the motion state of the powder and a third air compressor for driving the powder to be conveyed from the storage tank to the weighing hopper; an output of the third air compressor is in communication with the second valve body assembly.
7. The centralized batching system for powder coating materials according to claim 6, wherein said weighing hopper is provided with a pressure sensor; when the weight of the powder reaches a preset value of the pressure sensor, the pressure sensor is started and outputs a pressure signal to the control module; the control module outputs an instruction to control the second valve body assembly to stop powder flowing and control the third air compressor to stop working.
8. The centralized batching system for powder coating according to claim 2, wherein a second bridge-breaking device for eliminating powder bridge formation is provided in said storage tank near said outlet end; include with hold the inside third air compressor who communicates in material chamber, just the air outlet orientation of third air compressor the second breaks bridge device.
9. A centralized powder coating material dispensing system as recited in claim 2, wherein the top of the storage vessel is provided with an alarm device; when the alarm device detects that the powder reaches the capacity of the storage tank, the alarm device is started and outputs an alarm signal to the control module; the control module outputs an instruction to control the first valve body assembly to stop powder flowing and control the first air compressor to stop working.
10. A centralized batching system for powder coating materials as claimed in claim 3, characterized in that said accumulation chambers are single or several in number; when the number of the material storage cavities is single, the material storage cavities are connected with the plurality of material storage tanks in parallel; when the quantity of holding the material chamber is a plurality of, a plurality of hold material chamber and a plurality of the storage tank one-to-one intercommunication.
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| CN201910801853.8A CN110642012A (en) | 2019-08-28 | 2019-08-28 | Concentrated batching system for powder coating |
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| CN201910801853.8A CN110642012A (en) | 2019-08-28 | 2019-08-28 | Concentrated batching system for powder coating |
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Application publication date: 20200103 |