Preparation method and production stirring equipment of waterborne polyester resin coating

Abstract

The invention discloses a preparation method and production stirring equipment of a waterborne polyester resin coating. The coating comprises the following components: terephthalic acid, ethylene glycol, glycerol, butanedioic anhydride, sodium pyrophosphate, dibutyltin dilaurate, zinc acetate and deionized water. The production stirring equipment comprises a bottom plate, a peripheral structure, a material removing assembly, an adjusting assembly and a driving assembly. The device is reasonable in structure, the toothed plate is moved by rotating the handle, the whole moving plate is driven to move, then the main shaft on the moving plate moves upwards, and when the stirring blades at the bottom end of the main shaft penetrate through the through grooves in the scraping plates, residual high-viscosity resin on the stirring blades can be scraped off through the scraping plates.

Description

Technical Field

[0001] The invention relates to the technical field of waterborne polyester resin coating preparation, in particular to a preparation method of waterborne polyester resin coating and production stirring equipment. Background Art

[0002] Most industrial products will widely use organic coatings for surface coating, and decoration and protection are the two main purposes of coating. For example, automotive paint, wind turbine blades, diesel engines, 5G communication base stations, etc., generally use polyurethane, polyacrylate, epoxy resin, alkyd resin, polyester resin and other types of coatings. The coating film has a full and bright appearance, which greatly improves the product grade and has a strong protective and decorative effect. Among them, water-based polyester resin coating is an emerging coating product in recent years. It is prepared by alkyd condensation under water conditions. It has the advantages of high fullness of polyester resin paint film, high surface hardness, good toughness, low cost, etc., and has the advantages of low odor of water-based coatings, no VOCs emissions, simple drying conditions, low production energy consumption and other environmental protection and energy-saving advantages; it is widely used in industrial coatings such as metals, plastics, and packaging.

[0003] When processing existing water-based polyester resin coatings, the most important thing is to use a mixer to synthesize and disperse the coating. Generally, when stirring is completed, the resin with higher viscosity will adhere to the surface of the stirring blade, and it is necessary to manually use a shovel to remove the residue on the stirring blade; if it is not cleaned in time, the resin will solidify and affect the product performance and the subsequent production of the stirring kettle. Therefore, it is necessary to invent a production stirring equipment that is easy to remove glue to meet the needs. Summary of the invention

[0004] The purpose of the present application is to provide a method for preparing a water-based polyester resin coating and a production stirring device, wherein the production stirring device is realized by turning a handle to move a toothed plate, the movement of the toothed plate drives the moving plate to move as a whole, and then the main shaft on the moving plate moves upward, and when the stirring blade at the bottom end of the main shaft passes through the through groove on the scraper plate, the high-viscosity resin remaining on the stirring blade can be scraped off by the scraper plate.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a production and stirring equipment for water-based polyester resin coating, including a bottom plate and peripheral structures, a material removal component, an adjustment component and a drive component. The bottom plate is provided with mounting holes at the four corners, a mixing box is fixedly installed at the top of the bottom plate, a control console is fixedly installed on the surface of the mixing box, support plates are fixedly connected to both sides of the top of the bottom plate, a movable groove is provided on the support plate, a top plate is fixedly connected to the top of the support plate, a main shaft is rotatably connected to the middle of the top plate, a limiting plate is fixedly connected to the top of the main shaft, a first gear disk is fixedly connected to the top of the main shaft, the bottom end of the main shaft extends into the mixing box, and a stirring blade is fixedly connected to the bottom end of the main shaft. The material removal component is used in conjunction with the stirring blade, the adjustment component is used in conjunction with the main shaft, and the drive component is used in conjunction with the adjustment component.

[0006] Preferably, the material removal assembly includes a scraper plate arranged between the support plates, the scraper plate is provided with a through groove, the scraper plate is provided with a slot, and the through groove and the slot are connected to each other.

[0007] Preferably, both ends of the scraper plate are fixedly connected with connecting blocks, a ring is fixedly connected to the connecting block, the ring is slidably connected to the sliding rod, the upper and lower ends of the sliding rod are fixedly connected with a first fixed seat, one end of the first fixed seat is fixedly connected to one side of the support plate, a first spring is sleeved on the sliding rod, and both ends of the first spring are respectively fixedly connected to the top surface of the ring and one side of the first fixed seat.

[0008] Preferably, a baffle is movably inserted inside the slot, an axle pin is fixedly connected to the top position of the baffle, a limit seat is fixedly connected to the scraper plate, a rotating shaft is fixedly connected to the top of the limit seat, a pull plate is rotatably connected to the rotating shaft, a guide groove is opened at one end of the pull plate, and both ends of the axle pin are slidably connected in the guide groove.

[0009] Preferably, the adjustment assembly includes a movable plate rotatably connected to the main shaft, the top of the movable plate is affixed to the bottom end of the limiting plate, circular holes are opened at both ends of the movable plate, a fixing rod is movably inserted inside the circular hole, a baffle is fixedly connected to the top end of the fixed rod, the bottom end of the fixed rod is fixedly connected to the second fixed seat, the second fixed seat is fixedly connected to the top plate, a second spring is sleeved on the fixed rod, and the two ends of the second spring are respectively fixedly connected to the bottom end of the baffle and the top surface of the movable plate.

[0010] Preferably, a side plate is sleeved on the movable plate, two ends of the side plate are respectively fixedly connected to the bottom end of the baffle and the top surface of the movable plate, one side of the movable plate is fixedly connected to the side plate, one end of the side plate is fixedly connected to the tooth plate, and ribs are fixedly connected between the side plate and the tooth plate.

[0011] Preferably, a pair of third fixed seats are fixedly connected to the top plate, an adjustment shaft is rotatably connected to the pair of third fixed seats, a second toothed disc is fixedly connected to the middle position of the adjustment shaft, the second toothed disc and the toothed plate are meshed with each other, and a handle is fixedly connected to one end of the adjustment shaft.

[0012] Preferably, the drive assembly includes a mounting plate fixedly mounted on the top of the top plate, a drive motor is fixedly connected to the interior of the mounting plate, a transmission shaft is fixedly connected to the output end of the drive motor, a shaft seat is sleeved on the transmission shaft, and one end of the shaft seat is fixedly connected to the mounting plate.

[0013] Preferably, a third gear disc is fixedly connected to the bottom end of the transmission shaft, and the third gear disc is meshed with the first gear disc.

[0014] The present invention also provides a water-based polyester resin coating, comprising: 100-120 parts of terephthalic acid, 15-20 parts of ethylene glycol, 18-22 parts of glycerol, 120-140 parts of succinic anhydride, 1-2 parts of sodium pyrophosphate, 1-2 parts of dibutyltin dilaurate, 0.5-1 part of zinc acetate, and 200-400 parts of deionized water.

[0015] The preparation method is as follows: S1, heating terephthalic acid, ethylene glycol, glycerol, zinc acetate, sodium pyrophosphate and dibutyltin dilaurate at 150-170°C for 30-40 minutes, and heating at 220-230°C, 9×10 4 Distill at 400 Pa for 2-4 hours to obtain a water-based polyester resin;

[0016] S2, then the water-based polyester resin is mixed with succinic anhydride and deionized water at a stirring rate of 150 rpm to prepare a water-based polyester resin coating.

[0017] In summary, the technical effects of the present invention are:

[0018] 1. The present invention has a reasonable structure. A through groove is provided on the scraper plate, and a stirring blade is fixedly connected to the bottom end of the main shaft. When the stirring blade is used to remove the attached matter after stirring, one end of the pull plate is first pulled upward, and a guide groove is provided at the other end of the pull plate, and an axle pin is slidably connected inside the guide groove. The baffle on the axle pin slides inside the slot through the movement of the pull plate, so that the bottom end of the baffle extends out of the slot. Then, when the stirring blade on the main shaft rotates to the baffle, the baffle is used to block the stirring blade. Then, when the main shaft is pulled upward and the stirring blade passes through the limit seat, the attached matter is scraped off by the scraper plate.

[0019] 2. In the present invention, when the main shaft is pulled upward, the handle is rotated, and the rotation of the handle drives the adjusting shaft to rotate. A second toothed disc is fixedly connected to the middle end of the adjusting shaft, and the second toothed disc and the toothed plate are meshed with each other. The toothed plate is moved upward by the rotation of the second toothed disc, and the movement of the toothed plate drives the movable plate to move through the side plate. The movable plate is sleeved on the main shaft, and the movement of the movable plate facilitates sliding on the fixed rod, thereby increasing the stability of the overall movement of the movable plate. Then the movable plate moves upward to drive the main shaft to move upward, which is convenient for removing the attachments on the stirring blade.

[0020] 3. In the present invention, when the stirring blades stir the inside of the mixing box, the control console is operated to operate the driving motor, and the output end of the driving motor is fixedly connected to a transmission shaft, and the transmission shaft is rotated by the operation of the driving motor. A third gear disk is fixedly connected to the bottom end of the transmission shaft, and the third gear disk is rotated by the rotation of the transmission shaft. The third gear disk is meshed with the first gear disk, and the rotation of the third gear disk rotates the main shaft through the first gear disk, thereby facilitating the stirring blades at the bottom end of the main shaft to stir the resin inside the mixing box. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the mixing box;

[0023] Figure 2 It is a schematic diagram of the three-dimensional structure of the mixing box from the side;

[0024] Figure 3 It is a schematic diagram of the three-dimensional structure of the mixing box from a top view;

[0025] Figure 4 It is a schematic diagram of the three-dimensional structure of the scraper plate;

[0026] Figure 5 is a schematic diagram of the three-dimensional structure of the baffle;

[0027] Figure 6 It is a schematic diagram of the three-dimensional structure of the moving plate;

[0028] Figure 7 This is a schematic diagram of the three-dimensional structure of the top plate when viewed from above;

[0029] Figure 8 for Figure 2 Enlarged structural diagram at A in the middle.

[0030] In the figure: 1, bottom plate; 101, mounting hole; 102, mixing box; 103, control console; 104, support plate; 105, movable groove; 106, top plate; 107, main shaft; 108, limit plate; 109, first toothed disc; 110, stirring blade; 2, scraper plate; 201, through groove; 202, slot; 203, connecting block; 204, collar; 205, slide rod; 206, first fixed seat; 207, first spring; 208, baffle; 209, shaft pin; 210, limit Position seat; 211, rotating shaft; 212, pulling plate; 213, guide groove; 3, moving plate; 301, round hole; 302, fixing rod; 303, blocking piece; 304, second fixing seat; 305, second spring; 306, side plate; 307, tooth plate; 308, rib; 309, third fixing seat; 310, adjusting shaft; 311, second toothed disc; 312, handle; 313, mounting plate; 314, driving motor; 315, transmission shaft; 316, shaft seat; 317, third toothed disc. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] refer to Figure 1-Figure 8 The production and stirring equipment of a water-based polyester resin coating shown in the figure comprises a bottom plate 1, the four corners of the bottom plate 1 are provided with mounting holes 101, a mixing box 102 is fixedly installed at the top of the bottom plate 1, a control console 103 is fixedly installed on the surface of the mixing box 102, support plates 104 are fixedly connected to both sides of the top of the bottom plate 1, a movable groove 105 is provided on the support plate 104, a top plate 106 is fixedly connected to the top of the support plate 104, a main shaft 107 is rotatably connected to the middle of the top plate 106, a limit plate 108 is fixedly connected to the top of the main shaft 107, a first toothed disc 109 is fixedly connected to the top of the main shaft 107, the bottom end of the main shaft 107 extends into the mixing box 102, and a stirring blade 110 is fixedly connected to the bottom end of the main shaft 107. It also comprises a material removal component, an adjustment component and a drive component, the material removal component is used in conjunction with the stirring blade 110, the adjustment component is used in conjunction with the main shaft 107, and the drive component is used in conjunction with the adjustment component.

[0033] Specifically, it should be noted that the drive motor 314 and the control console 103 are electrically connected via wires, and the specific working principles therebetween are referenced through the prior art and will not be elaborated on herein. The operation of the drive motor 314 facilitates the stirring blade 110 at the bottom of the main shaft 107 to stir the resin mixture inside the mounting hole 101.

[0034] As an implementation method in this embodiment, the material removal component includes a scraper plate 2 arranged between the support plates 104, the scraper plate 2 is provided with a through groove 201, the scraper plate 2 is provided with a slot 202, the through groove 201 and the slot 202 are connected to each other, the two ends of the scraper plate 2 are fixedly connected with a connecting block 203, the connecting block 203 is fixedly connected with a collar 204, the collar 204 is slidably connected to the slide bar 205, the upper and lower ends of the slide bar 205 are fixedly connected with a first fixed seat 206, one end of the first fixed seat 206 is fixedly connected to one side of the support plate 104 A first spring 207 is sleeved on the slide bar 205, and the two ends of the first spring 207 are fixedly connected to the top surface of the ring 204 and one side of the first fixed seat 206 respectively. A baffle 208 is movably inserted inside the slot 202, and the top position of the baffle 208 is fixedly connected with an axle pin 209. A limited seat 210 is fixedly connected to the scraper plate 2, and the top of the limited seat 210 is fixedly connected with a rotating shaft 211. A pull plate 212 is rotatably connected to the rotating shaft 211, and a guide groove 213 is opened at one end of the pull plate 212. The two ends of the axle pin 209 are slidably connected in the guide groove 213.

[0035] Specifically, a through groove 201 is provided on the scraper plate 2, and a stirring blade 110 is fixedly connected to the bottom end of the main shaft 107. When the stirring blade 110 is used to remove the attached matter after the stirring work, one end of the pull plate 212 is first pulled upward, and a guide groove 213 is provided at the other end of the pull plate 212, and an axle pin 209 is slidably connected inside the guide groove 213. The baffle 208 on the axle pin 209 slides inside the slot 202 through the movement of the pull plate 212, so that the bottom end of the baffle 208 extends out of the slot 202. Then, when the stirring blade 110 on the main shaft 107 rotates to the baffle 208, the stirring blade 110 is blocked by the baffle 208. Then, when the main shaft 107 is pulled up and the stirring blade 110 passes through the limit seat 210, the attached matter is scraped off by the scraper plate 2.

[0036] As an implementation method in this embodiment, the adjustment component includes a movable plate 3 rotatably connected to the main shaft 107, the top of the movable plate 3 is affixed to the bottom end of the limiting plate 108, circular holes 301 are opened at both ends of the movable plate 3, and a fixing rod 302 is movably inserted inside the circular hole 301, and a blocking piece 303 is fixedly connected to the top end of the fixing rod 302, and the bottom end of the fixing rod 302 is fixedly connected to the second fixing seat 304, and the second fixing seat 304 is fixedly connected to the top plate 106. A second spring 305 is sleeved on the fixing rod 302, and the two ends of the second spring 305 are respectively fixedly connected to the bottom end of the blocking piece 303 and the top surface of the movable plate 3, and the movable plate A side plate 306 is sleeved on the top plate 106, and two ends of the side plate 306 are fixedly connected to the bottom end of the blocking piece 303 and the top surface of the movable plate 3 respectively; one side of the movable plate 3 is fixedly connected to the side plate 306, one end of the side plate 306 is fixedly connected to the tooth plate 307, and a rib 308 is fixedly connected between the side plate 306 and the tooth plate 307; a pair of third fixing seats 309 are fixedly connected to the top plate 106, and an adjusting shaft 310 is rotatably connected to the pair of third fixing seats 309, a second toothed disc 311 is fixedly connected to the middle position of the adjusting shaft 310, the second toothed disc 311 and the toothed disc 307 are meshed with each other, and one end of the adjusting shaft 310 is fixedly connected to a handle 312.

[0037] Specifically, when the main shaft 107 is pulled upward, the handle 312 is rotated, and the rotation of the handle 312 drives the adjusting shaft 310 to rotate. A second toothed disc 311 is fixedly connected to the middle end of the adjusting shaft 310, and the second toothed disc 311 and the toothed plate 307 are meshed with each other. The toothed plate 307 is moved upward by the rotation of the second toothed disc 311, and the movement of the toothed plate 307 drives the movable plate 3 to move through the side plate 306. The movable plate 3 is sleeved on the main shaft 107. The movement of the movable plate 3 is convenient for sliding on the fixed rod 302, thereby increasing the stability of the overall movement of the movable plate 3. Then the movable plate 3 moves upward, driving the main shaft 107 upward, so as to facilitate the removal of the attachments on the stirring blade 110.

[0038] As an implementation method in this embodiment, the driving assembly includes a mounting plate 313 fixedly mounted on the top of the top plate 106, the interior of the mounting plate 313 is fixedly connected to a driving motor 314, the output end of the driving motor 314 is fixedly connected to a transmission shaft 315, the transmission shaft 315 is sleeved with a shaft seat 316, one end of the shaft seat 316 is fixedly connected to the mounting plate 313, the bottom end of the transmission shaft 315 is fixedly connected to a third gear disc 317, and the third gear disc 317 is meshed with the first gear disc 109.

[0039] Specifically, when the stirring blade 110 stirs the inside of the mixing box 102, the control console 103 is operated to operate the drive motor 314. The output end of the drive motor 314 is fixedly connected to the transmission shaft 315, and the transmission shaft 315 is rotated by the operation of the drive motor 314. A third gear disc 317 is fixedly connected to the bottom end of the transmission shaft 315, and the third gear disc 317 is rotated by the rotation of the transmission shaft 315. The third gear disc 317 is meshed with the first gear disc 109. The rotation of the third gear disc 317 rotates the main shaft 107 through the first gear disc 109, thereby facilitating the stirring blade 110 at the bottom end of the main shaft 107 to stir the resin inside the mixing box 102.

[0040] The working principle of the present invention is as follows: a through groove 201 is provided on the scraper plate 2, and a stirring blade 110 is fixedly connected to the bottom end of the main shaft 107. When the stirring blade 110 is used to remove the attached matter after the stirring work, one end of the pull plate 212 is first pulled upward, and a guide groove 213 is provided at the other end of the pull plate 212, and an axle pin 209 is slidably connected inside the guide groove 213. The baffle plate 208 on the axle pin 209 slides inside the slot 202 through the movement of the pull plate 212, so that the bottom end of the baffle plate 208 extends out of the slot 202. Then, when the stirring blade 110 on the main shaft 107 rotates to the baffle plate 208, the stirring blade 110 is blocked by the baffle plate 208. Then, when the main shaft 107 is pulled upward and the stirring blade 110 passes through the limit seat 210, the attached matter is scraped off by the scraper plate 2.

[0041] When the main shaft 107 is pulled upward, the handle 312 is rotated, and the rotation of the handle 312 drives the adjusting shaft 310 to rotate. A second toothed disc 311 is fixedly connected to the middle end of the adjusting shaft 310, and the second toothed disc 311 and the toothed plate 307 are meshed with each other. The toothed plate 307 is moved upward by the rotation of the second toothed disc 311, and the movement of the toothed plate 307 drives the movable plate 3 to move through the side plate 306. The movable plate 3 is sleeved on the main shaft 107. The movement of the movable plate 3 is convenient for sliding on the fixed rod 302, thereby increasing the stability of the overall movement of the movable plate 3. Then the movable plate 3 moves upward, driving the main shaft 107 to move upward, so as to facilitate the removal of the attachments on the stirring blade 110.

[0042] When the stirring blade 110 stirs the inside of the mixing box 102, the control console 103 is operated to operate the driving motor 314. The output end of the driving motor 314 is fixedly connected to the transmission shaft 315, and the transmission shaft 315 is rotated by the operation of the driving motor 314. A third gear disc 317 is fixedly connected to the bottom end of the transmission shaft 315, and the third gear disc 317 is rotated by the rotation of the transmission shaft 315. The third gear disc 317 is meshed with the first gear disc 109. The rotation of the third gear disc 317 rotates the main shaft 107 through the first gear disc 109, thereby facilitating the stirring blade 110 at the bottom end of the main shaft 107 to stir the resin inside the mixing box 102.

[0043] The present invention also provides a water-based polyester resin coating, comprising: 100-120 parts of terephthalic acid, 15-20 parts of ethylene glycol, 18-22 parts of glycerol, 120-140 parts of succinic anhydride, 1-2 parts of sodium pyrophosphate, 1-2 parts of dibutyltin dilaurate, 0.5-1 part of zinc acetate, and 200-400 parts of deionized water.

[0044] The preparation method is as follows: S1, heating terephthalic acid, ethylene glycol, glycerol, zinc acetate, sodium pyrophosphate and dibutyltin dilaurate at 150-170°C for 30-40 minutes, and heating at 220-230°C, 9×10 4 Distill at 400 Pa for 2-4 hours to obtain a water-based polyester resin;

[0045] S2, then the water-based polyester resin is mixed with succinic anhydride and deionized water at a stirring rate of 150 rpm to prepare a water-based polyester resin coating.

[0046] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A production and stirring device for water-based polyester resin coating, which is manufactured using the following equipment, including a bottom plate (1), characterized in that: The bottom plate (1) is provided with mounting holes (101) at the four corners, a mixing box (102) is fixedly mounted at the top of the bottom plate (1), a control console (103) is fixedly mounted on the surface of the mixing box (102), support plates (104) are fixedly connected to both sides of the top of the bottom plate (1), a movable groove (105) is provided on the support plate (104), a top plate (106) is fixedly connected to the top of the support plate (104), a main shaft (107) is rotatably connected to the middle of the top plate (106), a limit plate (108) is fixedly connected to the top of the main shaft (107), a first toothed disc (109) is fixedly connected to the top of the main shaft (107), the bottom end of the main shaft (107) extends into the mixing box (102), and a stirring blade (110) is fixedly connected to the bottom end of the main shaft (107). It also includes a material removal component, an adjustment component and a drive component, wherein the material removal component is used in conjunction with the stirring blade (110), the adjustment component is used in conjunction with the main shaft (107), and the drive component is used in conjunction with the adjustment component.

2. The production and stirring equipment for water-based polyester resin coating according to claim 1, characterized in that: The material removal assembly comprises a scraper plate (2) arranged between the support plates (104), the scraper plate (2) being provided with a through groove (201), the scraper plate (2) being provided with a slot (202), and the through groove (201) and the slot (202) being communicated with each other.

3. The production and stirring equipment for water-based polyester resin coating according to claim 2, characterized in that: The two ends of the scraper plate (2) are fixedly connected with connecting blocks (203), the connecting block (203) is fixedly connected with a collar (204), the collar (204) is slidably connected to a slide bar (205), the upper and lower ends of the slide bar (205) are fixedly connected with a first fixing seat (206), one end of the first fixing seat (206) is fixedly connected to one side of the support plate (104), the slide bar (205) is sleeved with a first spring (207), the two ends of the first spring (207) are respectively fixedly connected to the top surface of the collar (204) and one side of the first fixing seat (206).

4. The production and stirring equipment for water-based polyester resin coating according to claim 3, characterized in that: A baffle (208) is movably inserted inside the slot (202), and a shaft pin (209) is fixedly connected to the top position of the baffle (208). A limit seat (210) is fixedly connected to the scraper plate (2), and a rotating shaft (211) is fixedly connected to the top of the limit seat (210). A pull plate (212) is rotatably connected to the rotating shaft (211), and a guide groove (213) is provided at one end of the pull plate (212). Both ends of the shaft pin (209) are slidably connected in the guide groove (213).

5. The production and stirring equipment for water-based polyester resin coating according to claim 1, characterized in that: The adjustment component comprises a movable plate (3) rotatably connected to the main shaft (107), the top end of the movable plate (3) being abutted against the bottom end of the limiting plate (108), circular holes (301) being provided at both ends of the movable plate (3), a fixing rod (302) being movably inserted inside the circular hole (301), a blocking plate (303) being fixedly connected to the top end of the fixing rod (302), the bottom end of the fixing rod (302) being fixedly connected to a second fixing seat (304), the second fixing seat (304) being fixedly connected to the top plate (106), a second spring (305) being sleeved on the fixing rod (302), the two ends of the second spring (305) being fixedly connected to the bottom end of the blocking plate (303) and the top surface of the movable plate (3) respectively.

6. The production and stirring equipment for water-based polyester resin coating according to claim 5, characterized in that: The movable plate (3) is sleeved with a side plate (306), the two ends of the side plate (306) are respectively fixedly connected to the bottom end of the baffle (303) and the top surface of the movable plate (3), one side of the movable plate (3) is fixedly connected to the side plate (306), one end of the side plate (306) is fixedly connected to a tooth plate (307), and a rib (308) is fixedly connected between the side plate (306) and the tooth plate (307).

7. The production and stirring equipment for water-based polyester resin coating according to claim 6, characterized in that: A pair of third fixed seats (309) are fixedly connected to the top plate (106); an adjusting shaft (310) is rotatably connected to the pair of third fixed seats (309); a second toothed disc (311) is fixedly connected to the middle of the adjusting shaft (310); the second toothed disc (311) and the toothed plate (307) are meshed with each other; and a handle (312) is fixedly connected to one end of the adjusting shaft (310).

8. The production and stirring equipment for water-based polyester resin coating according to claim 7, characterized in that: The driving assembly comprises a mounting plate (313) fixedly mounted on the top of the top plate (106); a driving motor (314) is fixedly connected to the interior of the mounting plate (313); an output end of the driving motor (314) is fixedly connected to a transmission shaft (315); a shaft seat (316) is sleeved on the transmission shaft (315); one end of the shaft seat (316) is fixedly connected to the mounting plate (313).

9. The production and stirring equipment for water-based polyester resin coating according to claim 8, characterized in that: The bottom end of the transmission shaft (315) is fixedly connected to a third toothed disc (317), and the third toothed disc (317) and the first toothed disc (109) are meshed with each other.

10. A water-based polyester resin coating, comprising: 100-120 parts of terephthalic acid, 15-20 parts of ethylene glycol, 18-22 parts of glycerol, 120-140 parts of succinic anhydride, 1-2 parts of sodium pyrophosphate, 1-2 parts of dibutyltin dilaurate, 0.5-1 part of zinc acetate, 200-400 parts of deionized water; prepared by using a production stirring equipment of a water-based polyester resin coating according to any one of claims 1 to 9, and the preparation method is as follows: S1. Heat terephthalic acid, ethylene glycol, glycerol, zinc acetate, sodium pyrophosphate and dibutyltin dilaurate at 150-170°C for 30-40 minutes, and at 220-230°C, 9×10 4 Distill at 400 Pa for 2-4 hours to obtain a water-based polyester resin; S2, then the water-based polyester resin is mixed with succinic anhydride and deionized water at a stirring rate of 150 rpm to prepare a water-based polyester resin coating.

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