CN115338081B - Polysulfone solution coating device for reverse osmosis membrane production - Google Patents

Polysulfone solution coating device for reverse osmosis membrane production Download PDF

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Publication number
CN115338081B
CN115338081B CN202210957530.XA CN202210957530A CN115338081B CN 115338081 B CN115338081 B CN 115338081B CN 202210957530 A CN202210957530 A CN 202210957530A CN 115338081 B CN115338081 B CN 115338081B
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box body
rod
groove
polysulfone solution
wall
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CN115338081A (en
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张凯铭
王兴东
许永川
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Guangdong Haiqing New Environmental Protection Technology Co ltd
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Guangdong Haiqing New Environmental Protection Technology Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0813—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for supplying liquid or other fluent material to the roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
    • B01D71/68—Polysulfones; Polyethersulfones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/023—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/023—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface
    • B05C11/025—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface with an essentially cylindrical body, e.g. roll or rod
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/26—Spraying processes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y02A20/131—Reverse-osmosis

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Manufacturing & Machinery (AREA)
  • Nanotechnology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The invention discloses a polysulfone solution coating device for reverse osmosis membrane production, which comprises a box body, wherein the lower surface of the box body is provided with a smearing mechanism, a storage mechanism is arranged in the box body above the smearing mechanism, and a discharging mechanism is arranged in the storage mechanism, so that the beneficial effects of the invention are that: when the polysulfone solution storage device is used, the double-head driving motor can be started, the double-head driving motor drives the rotating rod and the bidirectional screw rod to rotate through transmission between bevel gears, the bidirectional screw rod can drive the pushing block to move back and forth in the storage cavity through matching with the screw rod nut, and the polysulfone solution is pushed in the direction of the blanking hole after being collected through the collecting groove, so that the polysulfone solution falls onto the smearing roller through the blanking hole, the rotating rod synchronously drives the smearing roller to rotate and smear the polysulfone solution on the reverse osmosis membrane, and the phenomenon that the coating is leaked due to insufficient polysulfone solution is avoided.

Description

Polysulfone solution coating device for reverse osmosis membrane production
Technical Field
The invention relates to a coating device for reverse osmosis membrane production, in particular to a polysulfone solution coating device for reverse osmosis membrane production, and belongs to the technical field of reverse osmosis membrane production.
Background
The reverse osmosis membrane is an artificial semipermeable membrane with certain characteristics and is made by simulating a biological semipermeable membrane, and is a core component of a reverse osmosis technology, the principle of the reverse osmosis technology is that under the action of higher than the osmotic pressure of a solution, substances and water are separated according to the fact that other substances cannot permeate the semipermeable membrane, and the membrane aperture of the reverse osmosis membrane is very small, so that dissolved salts, colloid, microorganisms, organic matters and the like in water can be effectively removed, and the system has the advantages of good water quality, low energy consumption, no pollution, simple process, simplicity and convenience in operation and the like.
The polysulfone solution is named as polysulfone resin, so that the overall viscosity of the polysulfone solution is higher, the speed of the polysulfone solution in a storage cavity is relatively low, the quantity of the polysulfone solution on the smearing roller is insufficient, and large-area leakage easily occurs on the smearing roller, so that the production coating of a reverse osmosis membrane can be influenced, and the polysulfone solution coating device for the reverse osmosis membrane production is necessary to solve the problems.
Disclosure of Invention
The invention provides a polysulfone solution coating device for reverse osmosis membrane production, which effectively solves the problems existing in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention relates to a polysulfone solution coating device for reverse osmosis membrane production, which comprises a box body, wherein the lower surface of the box body is provided with a coating mechanism, the inside of the box body above the coating mechanism is provided with a storage mechanism, the inside of the storage mechanism is provided with a blanking mechanism, one ends of the coating mechanism and the blanking mechanism extend out of the box body in a penetrating way and are fixedly connected with a driving mechanism together, and a leveling mechanism is fixedly arranged at the edge of one side of the lower surface of the box body.
As a preferable technical scheme of the invention, the smearing mechanism comprises a mounting groove, the mounting groove is formed in the lower surface of the box body, a rotating rod is rotatably connected between the groove walls of the mounting groove through a bearing, one end of the rotating rod penetrates through and extends out of the box body, and a smearing roller is fixedly sleeved on the rod wall of the rotating rod, which is positioned in the mounting groove.
As a preferable technical scheme of the invention, the material storage mechanism comprises a storage cavity, the storage cavity is arranged in the box body, the lower cavity wall of the storage cavity is obliquely arranged, a discharging hole is jointly formed between the storage cavity and the mounting groove in a penetrating mode, a feeding threaded hole is formed in the upper cavity wall of the storage cavity in a penetrating mode, a threaded block is connected in the threaded hole in a threaded mode, and the upper end of the threaded block extends out of the box body in a penetrating mode and is fixedly connected with a rotary torsion cover.
As a preferable technical scheme of the invention, the blanking mechanism comprises a bidirectional screw rod, wherein the bidirectional screw rod is rotationally connected between opposite cavity walls of the storage cavity through a bearing, one end of the bidirectional screw rod extends out of the box body in a penetrating way, a screw rod nut is connected to the rod wall of the bidirectional screw rod in a threaded way, a connecting rod is fixedly sleeved on the outer side wall of the screw rod nut, a sliding groove is formed in the cavity wall at the upper end of the storage cavity corresponding to the position of the connecting rod, the upper end of the connecting rod extends into the sliding groove in a penetrating way and is in sliding connection with the sliding groove, a pushing block is fixedly connected to the lower end of the connecting rod, and a collecting groove which is arranged in a semi-funnel shape is formed in the side walls at two sides of the pushing block.
As a preferable technical scheme of the invention, the driving mechanism comprises two first bevel gears, the two first bevel gears are respectively and fixedly connected to one end of the rotating rod and the bidirectional screw rod, which is positioned outside the box body, a double-head driving motor is fixedly arranged on the outer side wall of the box body, the output end of the double-head driving motor is fixedly connected with two driving rods through a coupler, one ends of the two driving rods, which are far away from the double-head driving motor, are respectively and fixedly connected with a second bevel gear, and the two first bevel gears are respectively meshed with the two second bevel gears.
As a preferable technical scheme of the invention, the leveling mechanism comprises a mounting plate, a threaded rod is rotatably connected to the mounting plate through a bearing, a thread groove is formed in the outer side wall of the box body corresponding to the position of the threaded rod, one end of the threaded rod extends into the thread groove in a penetrating manner and is in threaded connection with the thread groove, and the other end of the threaded rod extends out of the mounting plate in a penetrating manner and is fixedly connected with a handle.
As a preferable technical scheme of the invention, two ball grooves are formed in one end of the connecting rod, which is positioned in the chute, and one ball is connected in the two ball grooves in a rolling way, and one end of the two balls extends out of the connecting rod in a penetrating way and is propped against the chute wall.
As a preferable technical scheme of the invention, the lower end of the mounting plate is fixedly connected with a collecting box, one side of the collecting box, which is close to the smearing roller, is in an opening shape, a cutting knife is fixedly connected to the opening of the collecting box, a mounting hole is formed in the inner wall of the bottom end in the collecting box in a penetrating manner, two mounting blocks are fixedly connected to the inner wall of the top end of the collecting box, which corresponds to the position of the mounting hole, the lower ends of the two mounting blocks extend into the mounting hole in a penetrating manner, a leveling roller is connected between the two mounting blocks in a rotating manner through a bearing, and a leveling groove which is in an arc shape is formed in the wall of one side of the mounting hole.
The beneficial effects achieved by the invention are as follows:
1) According to the polysulfone solution coating device for reverse osmosis membrane production, the box body, the coating mechanism, the storage mechanism, the blanking mechanism, the driving mechanism and the leveling mechanism are arranged, when the polysulfone solution coating device is used, the double-head driving motor can be started, the double-head driving motor drives the rotating rod and the bidirectional screw rod to rotate through transmission among bevel gears, the bidirectional screw rod can drive the pushing block to move back and forth in the storage cavity through matching with the screw rod nut, the polysulfone solution is collected through the collecting groove and then pushed towards the direction of the blanking hole, so that the polysulfone solution falls onto the coating roller through the blanking hole, and the rotating rod synchronously drives the coating roller to rotate and coats the polysulfone solution on the reverse osmosis membrane, so that the phenomenon that a coating is leaked due to insufficient polysulfone solution is avoided.
2) According to the polysulfone solution coating device for reverse osmosis membrane production, the box body, the smearing mechanism, the storage mechanism, the blanking mechanism, the driving mechanism and the leveling mechanism are arranged, when the polysulfone solution coating device is used, excessive polysulfone solution on the surface layer of the reverse osmosis membrane can be cut through the cutting knife and then pushed into the collecting box and concentrated into the mounting holes by the subsequent polysulfone solution, when the reverse osmosis membrane passes through the mounting holes, the polysulfone solution in the mounting holes can fall on the reverse osmosis membrane, and then the reverse osmosis membrane can be leveled through the leveling roller and the error leakage point is repaired, so that defective products can be reduced.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the front internal structure of the present invention;
FIG. 2 is a schematic rear view of the exterior structure of the present invention;
FIG. 3 is a schematic view of the structure of the collecting box of the present invention;
FIG. 4 is a schematic view of the structure of the rotary twist cap of the present invention;
FIG. 5 is a schematic view of the structure of the connecting rod of the present invention;
fig. 6 is a schematic bottom view of the pusher block of the present invention.
In the figure: 1. a case; 2. a smearing mechanism; 21. a mounting groove; 22. a rotating lever; 23. a smearing roller; 3. a storage mechanism; 31. a storage chamber; 32. a blanking hole; 33. a threaded feed hole; 34. a screw block; 35. rotating the torsion cover; 4. a blanking mechanism; 41. a two-way screw rod; 42. a screw nut; 43. a connecting rod; 44. a chute; 45. a pushing block; 46. a collection tank; 47. a ball groove; 48. a ball; 5. a driving mechanism; 51. a first bevel gear; 52. a double-ended drive motor; 53. a driving rod; 54. a second bevel gear; 6. a leveling mechanism; 61. a mounting plate; 62. a threaded rod; 63. a thread groove; 64. a handle; 65. a collection box; 66. a cutting knife; 67. a mounting hole; 68. a mounting block; 69. a leveling roller; 610. and flattening the groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described 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.
Examples: as shown in fig. 1-3, the polysulfone solution coating device for reverse osmosis membrane production of the invention comprises a box body 1, wherein the lower surface of the box body 1 is provided with a coating mechanism 2, a storage mechanism 3 is arranged in the box body 1 above the coating mechanism 2, a blanking mechanism 4 is arranged in the storage mechanism 3, one ends of the coating mechanism 2 and the blanking mechanism 4 extend out of the box body 1 in a penetrating way and are fixedly connected with a driving mechanism 5 together, and a leveling mechanism 6 is fixedly arranged at the edge of one side of the lower surface of the box body 1.
Wherein, storage mechanism 3 includes a storage chamber 31, the inside at box 1 is offered to storage chamber 31, and the lower extreme chamber wall of storage chamber 31 is the slope form setting, and run through jointly between storage chamber 31 and the mounting groove 21 and offered unloading hole 32, run through on the upper end chamber wall of storage chamber 31 and offered a feeding screw hole 33, screw threaded 33 female connection has a screw thread piece 34, the upper end of screw thread piece 34 runs through and extends to box 1 outside and fixedly connected with rotatory twist lid 35, can rotate through the twist and turn round lid 35, rotatory twist lid 35 can drive screw thread piece 34 and rotate and break away from screw thread feed hole 33, afterwards can pour into polysulfone solution into in the storage chamber 31 through screw thread feed hole 33 case.
Wherein the smearing mechanism 2 comprises a mounting groove 21, the mounting groove 21 is arranged on the lower surface of the box body 1, a rotating rod 22 is rotatably connected between the groove walls of the mounting groove 21 through a bearing, one end of the rotating rod 22 extends out of the box body 1 in a penetrating way, a smearing roller 23 is fixedly sleeved on the rod wall of the rotating rod 22 in the mounting groove 21, the blanking mechanism 4 comprises a bidirectional screw 41, the bidirectional screw 41 is rotatably connected between the opposite cavity walls of the storage cavity 31 through the bearing, one end of the bidirectional screw 41 extends out of the box body 1 in a penetrating way, a screw nut 42 is connected on the rod wall of the bidirectional screw 41 in a threaded way, a connecting rod 43 is fixedly sleeved on the outer side wall of the screw nut 42, a sliding groove 44 is arranged on the cavity wall at the upper end of the storage cavity 31 corresponding to the position of the connecting rod 43, the upper end of the connecting rod 43 extends into the sliding groove 44 in a penetrating way and is slidably connected in the sliding groove 44, the lower end of the connecting rod 43 is fixedly connected with a pushing block 45, the side walls of two sides of the pushing block 45 are provided with a semi-funnel-shaped collecting groove 46, one end of the connecting rod 43 positioned in the sliding groove 44 is provided with two ball grooves 47, two ball grooves 47 are connected with a ball 48 in a rolling way, one end of the two ball 48 extends out of the connecting rod 43 in a penetrating way and is propped against the wall of the sliding groove 44, when the bidirectional screw 41 rotates, the connecting rod 43 and the screw nut 42 can not rotate due to the limit of the sliding groove 44 on the connecting rod 43, the bidirectional screw 32 rotates to drive the connecting rod 43 to move through the cooperation with the screw nut 42, the connecting rod 43 drives the pushing block 45 and the collecting groove 46 to move, the pushing block 45 can collect polysulfone solution in the storage cavity 31 through the collecting grooves 46 at two sides of the pushing block 45, and pushes along the slope of the collecting tank 46 to the blanking hole 32, so that the polysulfone solution can drop to the surface of the smearing roller 23 through the blanking hole 32, and meanwhile, the rotating rod 22 can drive the smearing roller 23 to rotate and coat the polysulfone solution on the surface of the reverse osmosis membrane, so that the phenomenon that insufficient blanking of the polysulfone solution can occur is avoided.
The driving mechanism 5 includes two first bevel gears 51, the two first bevel gears 51 are respectively and fixedly connected to the rotating rod 22 and one end of the bidirectional screw 41 located outside the box 1, a double-head driving motor 52 is fixedly installed on the outer side wall of the box 1, the output end of the double-head driving motor 52 is fixedly connected with two driving rods 53 through a coupling, one end, far away from the double-head driving motor 52, of the two driving rods 53 is fixedly connected with a second bevel gear 54, the two first bevel gears 51 are respectively meshed with the two second bevel gears 54, the double-head driving motor 52 can be started, the double-head driving motor 52 can drive the two second bevel gears 54 to rotate through the driving rods 53, and the two second bevel gears 54 can respectively drive the rotating rod 22 and the bidirectional screw 41 to rotate through meshing with the two first bevel gears 51.
Wherein, leveling mechanism 6 includes a mounting panel 61, be connected with a threaded rod 62 through the bearing rotation on the mounting panel 61, set up a thread groove 63 on the box 1 lateral wall of corresponding threaded rod 62 position, the wherein one end of threaded rod 62 runs through and extends to in the thread groove 63 and with thread groove 63 threaded connection, the other end of threaded rod 62 runs through and extends to mounting panel 61 outside and fixedly connected with handle 64, the lower extreme fixedly connected with of mounting panel 61 collects box 65, one side that collecting box 65 is close to smearing roller 23 is the opening form setting, and the opening part fixedly connected with one piece cutting knife 66 of collecting box 65, run through on the bottom inner wall of collecting box 65 inside and set up a mounting hole 67, fixedly connected with two installation pieces 68 on the collecting box 65 top inner wall of corresponding mounting hole 67 position, the lower extreme of two installation pieces 68 all runs through and extends to in the mounting hole 67, and be connected with a leveling roller 69 through the bearing joint between two installation pieces 68, and set up a leveling groove 610 that is curved on the pore wall of one side of mounting hole 67, can be through collecting box 65 and the side of smearing roller 23 and be the opening form setting up, and be equipped with a lot of leveling groove 610, can carry out the leveling solution through the polysulfone and the surface of the polysulfone can be cut and the leveling groove 67 and the surface can be carried out the leveling solution through the cutting knife 67 and the leveling groove 67 is cut down when the surface of the leveling groove is cut down, and the solution can be cut and the leveling solution can be carried out the leveling solution and the leveling groove is cut down and the leveling solution is cut down and the surface is left down.
Specifically, when the polysulfone solution is used, firstly, the twisting cover 35 can be twisted and rotated, the twisting cover 35 can be rotated to drive the threaded block 34 to rotate and separate from the threaded feed hole 33, and then polysulfone solution can be injected into the storage cavity 31 of the box of the threaded feed hole 33; then, the double-head driving motor 52 can be started, the double-head driving motor 52 drives the two second bevel gears 54 to rotate through the driving rod 53, and the two second bevel gears 54 can respectively drive the rotating rod 22 and the bidirectional screw rod 41 to rotate through the meshing with the two first bevel gears 51; when the bidirectional screw rod 41 rotates, the connecting rod 43 and the screw nut 42 cannot rotate due to the limit of the connecting rod 43 by the chute 44, so that the connecting rod 43 is driven to move by the cooperation of the bidirectional screw rod 32 and the screw nut 42, the connecting rod 43 drives the pushing block 45 and the collecting groove 46 to move, the pushing block 45 collects polysulfone solution in the storage cavity 31 through the collecting grooves 46 on two sides of the pushing block and pushes the polysulfone solution into the blanking hole 32 along the inclined slope of the collecting groove 46, the polysulfone solution can drop to the surface of the smearing roller 23 through the blanking hole 32, and meanwhile, the rotating rod 22 drives the smearing roller 23 to rotate and coats the polysulfone solution on the surface of the reverse osmosis membrane, so that insufficient polysulfone solution blanking is avoided; and reverse osmosis membrane can be through collecting box 65 and cutting knife 66 when removing, this moment cutting knife 66 can avoid too much polysulfone solution to reverse osmosis membrane to cut, and the polysulfone solution that cuts can get into under the promotion of follow-up polysulfone solution and collect in the mounting hole 67 of box 65, and when reverse osmosis membrane passed through mounting hole 67, polysulfone solution can drop on reverse osmosis membrane and level and repair it through leveling roller 69 to can level and smooth the surperficial mistakes and leaks and the unevenness department that appear, then the operation is repaired in the level and smooth level and level of rethread smoothing groove 610 and follow-up collecting box 65 lower surface again, make its surface remain smooth and level.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The polysulfone solution coating device for reverse osmosis membrane production comprises a box body (1), and is characterized in that a smearing mechanism (2) is arranged on the lower surface of the box body (1), a material storage mechanism (3) is arranged in the box body (1) above the smearing mechanism (2), a blanking mechanism (4) is arranged in the material storage mechanism (3), one ends of the smearing mechanism (2) and the blanking mechanism (4) extend out of the box body (1) in a penetrating mode and are fixedly connected with a driving mechanism (5) together, and a leveling mechanism (6) is fixedly arranged at one side edge of the lower surface of the box body (1);
the blanking mechanism (4) comprises a bidirectional screw rod (41), the bidirectional screw rod (41) is rotationally connected between opposite cavity walls of the storage cavity (31) through a bearing, one end of the bidirectional screw rod (41) penetrates through and extends out of the box body (1), a screw rod nut (42) is connected to the rod wall of the bidirectional screw rod (41) in a threaded mode, a connecting rod (43) is fixedly sleeved on the outer side wall of the screw rod nut (42), a sliding groove (44) is formed in the cavity wall at the upper end of the storage cavity (31) corresponding to the position of the connecting rod (43), the upper end of the connecting rod (43) penetrates through and extends into the sliding groove (44) and is connected in the sliding groove (44), a pushing block (45) is fixedly connected to the lower end of the connecting rod (43), and a collecting groove (46) which is arranged in a semi-funnel shape is formed in the two side walls of the pushing block (45);
the driving mechanism (5) comprises two first bevel gears (51), the two first bevel gears (51) are respectively and fixedly connected to one end of a rotating rod (22) and one end of a bidirectional screw rod (41) positioned outside the box body (1), a double-head driving motor (52) is fixedly installed on the outer side wall of the box body (1), two driving rods (53) are fixedly connected to the output end of the double-head driving motor (52) through a coupling, one ends, far away from the double-head driving motor (52), of the two driving rods (53) are respectively and fixedly connected with a second bevel gear (54), and the two first bevel gears (51) are respectively meshed with the two second bevel gears (54);
leveling mechanism (6) are including a mounting panel (61), be connected with a threaded rod (62) through the bearing rotation on mounting panel (61), correspond offer a thread groove (63) on box (1) lateral wall of threaded rod (62) position, one of them one end of threaded rod (62) runs through and extends to in thread groove (63) and with thread groove (63) threaded connection, the other end of threaded rod (62) runs through and extends to outside mounting panel (61) and fixedly connected with handle (64).
2. The polysulfone solution coating device for reverse osmosis membrane production according to claim 1, wherein the coating mechanism (2) comprises a mounting groove (21), the mounting groove (21) is formed in the lower surface of the box body (1), a rotating rod (22) is rotatably connected between the groove walls of the mounting groove (21) through a bearing, one end of the rotating rod (22) penetrates through and extends out of the box body (1), and a coating roller (23) is fixedly sleeved on the rod wall of the rotating rod (22) positioned in the mounting groove (21).
3. The polysulfone solution coating device for reverse osmosis membrane production according to claim 1, wherein the material storage mechanism (3) comprises a storage cavity (31), the storage cavity (31) is arranged inside the box body (1), the lower end cavity wall of the storage cavity (31) is arranged in an inclined mode, a blanking hole (32) is jointly formed between the storage cavity (31) and the mounting groove (21), a feeding threaded hole (33) is formed in the upper end cavity wall of the storage cavity (31) in a penetrating mode, a threaded block (34) is connected with the threaded hole (33) in an internal threaded mode, and the upper end of the threaded block (34) extends out of the box body (1) in a penetrating mode and is fixedly connected with a rotary torsion cover (35).
4. The polysulfone solution coating device for producing reverse osmosis membranes according to claim 1, wherein two ball grooves (47) are formed in one end of the connecting rod (43) located in the chute (44), one ball (48) is connected in each ball groove (47) in a rolling manner, and one end of each ball (48) extends out of the connecting rod (43) in a penetrating manner and abuts against the wall of the chute (44).
5. The polysulfone solution coating device for reverse osmosis membrane production according to claim 1, wherein the lower end of the mounting plate (61) is fixedly connected with a collecting box (65), one side of the collecting box (65) close to the smearing roller (23) is in an opening shape, a cutting knife (66) is fixedly connected to the opening of the collecting box (65), a mounting hole (67) is formed in the inner wall of the bottom end inside the collecting box (65), two mounting blocks (68) are fixedly connected to the inner wall of the top end of the collecting box (65) corresponding to the mounting hole (67), the lower ends of the two mounting blocks (68) penetrate through and extend into the mounting hole (67), a leveling roller (69) is connected between the two mounting blocks (68) through bearing joint rotation, and a leveling groove (610) in an arc shape is formed in the hole wall of one side of the mounting hole (67).
CN202210957530.XA 2022-08-10 2022-08-10 Polysulfone solution coating device for reverse osmosis membrane production Active CN115338081B (en)

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