Metering device for production, mixing and conveying of environment-friendly waterproof coating

Abstract

The invention discloses a metering device for environment-friendly waterproof coating production, mixing and conveying, and relates to the technical field of coating metering, the metering device comprises a base, the upper surface of the base is fixedly connected with a fixing block, the fixing block is provided with a sinking assembly, the sinking assembly comprises a groove formed in the fixing block, and the interior of the groove is fixedly connected with a hydraulic jack; the telescopic shaft end of the hydraulic jack is fixedly connected with a feeding bin, four material distributing openings are formed in the feeding bin, four discharging openings are fixedly communicated with the bottom of the feeding bin, a metering assembly is arranged at the top of the fixing block, and the metering assembly comprises a fixing disc fixedly connected to the top of the fixing block. And the top of the fixed disc is fixedly connected with four collecting cylinders, through mutual cooperation of a sealing assembly and a metering assembly, the environment-friendly waterproof coating in inner cavities of the collecting cylinders can be metered to meet the production requirement, meanwhile, it is ensured that the environment-friendly waterproof coating is metered not too much or too little, and the mixing proportion of the environment-friendly waterproof coating is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of coating metering, and in particular to a metering device for production, mixing and conveying of environmentally friendly waterproof coatings. Background Art

[0002] Environmentally friendly waterproof coatings are applied to the surface of objects to be protected or decorated, and can form a continuous film that is firmly attached to the coated object. They are usually based on resins, oils, and emulsions, with or without added pigments and fillers, and with corresponding additives, and are viscous liquids prepared with organic solvents or water.

[0003] At the same time, when the environmentally friendly waterproof coatings are mixed to form a new environmentally friendly waterproof coating, each environmentally friendly waterproof coating needs to be measured.

[0004] When measuring the traditional environmentally friendly waterproof coating before production and mixing, the staff is first required to weigh each different environmentally friendly waterproof coating separately in batches, which affects the progress of the mixing of the environmentally friendly waterproof coating. At the same time, because the environmentally friendly waterproof coating is adhesive, the environmentally friendly waterproof coating will adhere to the container, which will cause deviations in the measurement of the environmentally friendly waterproof coating, thereby affecting the quality of the environmentally friendly waterproof coating after mixing.

[0005] Therefore, a metering device for production, mixing and conveying of environmentally friendly waterproof coating is proposed. Summary of the invention

[0006] The purpose of the present invention is to provide a metering device for production, mixing and conveying of environmentally friendly waterproof coatings to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a metering device for the production, mixing and conveying of environmentally friendly waterproof coatings, comprising a base, a fixed block is fixedly connected to the upper surface of the base, a sinking component is arranged on the fixed block, the sinking component comprises a groove opened on the fixed block, a hydraulic jack is fixedly connected to the inside of the groove, a telescopic shaft end of the hydraulic jack is fixedly connected to a feed bin, four material distribution ports are opened on the feed bin, and four discharge ports are fixedly connected to the bottom of the feed bin.

[0008] Furthermore, a metering assembly is provided on the top of the fixed block, and the metering assembly includes a fixed disc fixedly connected to the top of the fixed block, four collecting cylinders are fixedly connected to the top of the fixed disc, four scale plates are fixedly connected to the top of the fixed disc, a sliding plate is slidably connected to each of the collecting cylinders, a photoelectric switch is fixedly installed inside each sliding plate, a plurality of circular holes are equidistantly opened on each of the scale plates, and a pin is slidably connected to the side wall of each sliding plate.

[0009] Furthermore, a sealing component is provided on the top of the fixed disc, and the sealing component includes a fixed horizontal plate fixedly connected to the outer side of each discharge port, each fixed horizontal plate is fixedly connected to the side wall with a fixed vertical plate, each fixed vertical plate is fixedly connected to a circular plate at the bottom, each circular plate is fixedly connected to the top with a cylinder, each circular plate is provided with a second circular hole at an eccentric position, each circular plate is provided with a third circular hole at an eccentric position, a guide column is fixedly connected to the bottom of the inner cavity of the collecting cylinder, and a round plug is slidably connected to the outer side of the guide column.

[0010] Furthermore, a closing component is provided on the fixed vertical plate, and the closing component includes a guide rail fixedly connected to a side of each fixed vertical plate close to the fixed horizontal plate, two electromagnets are symmetrically fixedly connected to a side of each fixed vertical plate close to the fixed horizontal plate, a spring is fixedly connected to a side of each electromagnet close to the fixed horizontal plate, an end of each spring away from the electromagnet is fixedly connected to a permanent magnet, an end of each permanent magnet away from the spring is fixedly connected to a connecting rod, and an end of each connecting rod away from the permanent magnet is fixedly connected to a semicircular plate.

[0011] Furthermore, a material discharge assembly is provided on the top of the base, and the material discharge assembly includes a discharge pipe fixedly connected to the bottom of each collecting cylinder, a guide rail 2 is fixedly connected to the upper surface of the base, a mixing bin is slidably connected to the guide rail 2, and a pressure sensor is fixedly installed on the top of the base.

[0012] Furthermore, the latch is slidably matched with a circular hole, and each circular hole corresponds to a scale line of the scale plate.

[0013] Furthermore, the size of the second circular hole is matched with that of the round plug, the guide column is slidably matched with the third circular hole, and the outer side of the circular plate is in contact with the inner surface of the collecting tube.

[0014] Furthermore, the magnetic poles of the electromagnet after being energized are the same as those of the permanent magnet, the permanent magnet is slidably fitted with the guide rail, and the photoelectric switch controls the opening and closing of the electromagnet and the hydraulic jack respectively through the controller.

[0015] Furthermore, the radius of the two semicircular plates is matched with the radius of the cylinder, and the bottom of each discharge port is located on the movement path of the bottom of each two semicircular plates.

[0016] Furthermore, the four discharge pipes are interconnected with the mixing bin, and a solenoid valve is provided inside each of the discharge pipes, and the top of the pressure sensor fits with the bottom of the mixing bin.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The coordination of the sealing component and the metering component ensures that the environmentally friendly waterproof coating in the inner cavity of the collecting tube reaches the metering required by production, while ensuring that the metering of the environmentally friendly waterproof coating is not too much or too little, thereby ensuring the mixing ratio of the environmentally friendly waterproof coating.

[0019] The setting of the sinking component can transfer all the environmentally friendly waterproof materials in the inner cavity of the collecting tube to the mixing bin, thereby avoiding the environmentally friendly waterproof materials from adhering to the inner wall of the collecting tube, further ensuring the accuracy of the weighing of the environmentally friendly waterproof materials after mixing, and avoiding weighing errors caused by the environmentally friendly waterproof materials adhering to the inner wall of the collecting tube.

[0020] Through the setting of the closing component, when the environmentally friendly waterproof coating in the inner cavity of the collecting cylinder reaches the specified measurement, the two semicircular plates form a full circle to block the continued discharge of the material at the discharge port, thereby avoiding overweight of the environmentally friendly waterproof coating due to continuous discharge of the material at the discharge port.

[0021] Through the setting of four discharge pipes and the cooperation of the feeding components, different environmentally friendly waterproof coatings can be transferred and mixed synchronously. Firstly, the work steps of weighing multiple environmentally friendly waterproof coatings in sequence are avoided. Secondly, the synchronous mixing can complete the mixing of the environmentally friendly waterproof coatings at one time, avoiding the repeated addition of different types of waterproof coatings in sequence, thereby improving the weighing efficiency of the environmentally friendly waterproof coatings after mixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the present invention;

[0023] Figure 2 It is a cross-sectional schematic diagram of the fixed block structure of the present invention;

[0024] Figure 3 It is a three-dimensional schematic diagram of the structure of the metering component of the present invention;

[0025] Figure 4 For the present invention Figure 3 A schematic diagram of the structure enlargement in the middle;

[0026] Figure 5 It is a three-dimensional schematic diagram of the positional relationship between the collecting tube and the sliding plate of the present invention;

[0027] Figure 6 For the present invention Figure 5 A magnified schematic diagram of the structure at B in the middle;

[0028] Figure 7 For the present invention Figure 5 A magnified schematic diagram of the structure at C in the middle;

[0029] Figure 8 It is a schematic cross-sectional view of the collecting tube structure of the present invention;

[0030] Fig. 9 It is a schematic diagram of the position relationship between the guide column and the round plug structure of the present invention;

[0031] Fig.10 It is a schematic diagram of the structural position relationship between the mixing chamber and the pressure sensor of the present invention.

[0032] In the figure:

[0033] 1. Base; 2. Fixed block;

[0034] The sinking components include: 3. groove; 4. hydraulic jack; 5. feed bin; 6. material distribution port; 7. discharge port;

[0035] The metering components include: 8, fixed disc; 9, collecting tube; 10, scale plate; 11, sliding plate; 12, photoelectric switch; 13, round hole 1; 14, latch;

[0036] The sealed components include: 15, a fixed horizontal plate; 16, a fixed vertical plate; 17, a round plate; 18, a cylinder; 19, a second round hole; 20, a third round hole; 21, a guide column; 22, a round plug;

[0037] The closing assembly includes: 23, a guide rail 1; 24, an electromagnet; 25, a spring; 26, a permanent magnet; 27, a connecting rod; 28, a semicircular plate;

[0038] The material discharge assembly includes: 29, a material discharge pipe; 30, a second guide rail; 31, a mixing bin; 32, a pressure sensor. DETAILED DESCRIPTION

[0039] 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.

[0040] See also Figures 1 to 10 , is an embodiment provided by the present invention: a metering device for production, mixing and conveying of environmentally friendly waterproof coatings, comprising a base 1, a fixed block 2 is fixedly connected to the upper surface of the base 1, a sinking component is arranged on the fixed block 2, the sinking component comprises a groove 3 opened on the fixed block 2, a hydraulic jack 4 is fixedly connected inside the groove 3, a feed bin 5 is fixedly connected to the telescopic shaft end of the hydraulic jack 4, four material distribution ports 6 are opened on the feed bin 5, and four material discharge ports 7 are fixedly connected to the bottom of the feed bin 5, and the four material distribution ports 6 correspond to the four material discharge ports 7.

[0041] A metering assembly is provided on the top of the fixed block 2, and the metering assembly includes a fixed disc 8 fixedly connected to the top of the fixed block 2, and the center of the fixed disc 8 is sleeved on the middle of the hydraulic jack 4, four collecting barrels 9 are fixedly connected to the top of the fixed disc 8, and the four discharge ports 7 correspond to the four collecting barrels 9, four scale plates 10 are fixedly connected to the top of the fixed disc 8, and the four scale plates 10 correspond to the positions of the four collecting barrels 9 respectively, a sliding plate 11 is slidably connected to each collecting barrel 9, a photoelectric switch 12 is fixedly installed inside each sliding plate 11, a plurality of circular holes 13 are equidistantly opened on each scale plate 10, a latch 14 is slidably connected to the side wall of each sliding plate 11, the latch 14 is slidably fitted with a circular hole 13, and each circular hole 13 corresponds to the scale line of the scale plate 10.

[0042] A sealing component is provided on the top of the fixed disc 8, and the sealing component includes a fixed horizontal plate 15 fixedly connected to the outer side of each discharge port 7, a fixed vertical plate 16 is fixedly connected to the side wall of each fixed horizontal plate 15, a circular plate 17 is fixedly connected to the bottom of each fixed vertical plate 16, the outer side of the circular plate 17 is in contact with the inner surface of the collecting cylinder 9, and the top of each circular plate 17 is fixedly connected to a cylinder 18, a circular hole 2 19 is opened at an eccentric position of each circular plate 17, and a circular hole 3 20 is opened at an eccentric position of each circular plate 17. A guide column 21 is fixedly connected to the bottom of the inner cavity of the collecting cylinder 9, and the guide column 21 is slidably fitted with the circular hole 3 20. A round plug 22 is slidably connected to the outer side of the guide column 21, and a buoyancy plate is fixedly installed at the bottom of the round plug 22, so that the buoyancy plate can float on the environmentally friendly waterproof coating, and the side of the buoyancy plate close to the sliding plate 11 is in contact with the inner surface of the collecting cylinder 9, and the size of the circular hole 2 19 is matched with the size of the round plug 22.

[0043] A closing component is provided on the fixed vertical plate 16, and the closing component includes a guide rail 23 fixedly connected to the side of each fixed vertical plate 16 close to the fixed horizontal plate 15, and two electromagnets 24 are symmetrically fixedly connected to the side of each fixed vertical plate 16 close to the fixed horizontal plate 15. The photoelectric switch 12 controls the opening and closing of the electromagnet 24 through a controller. A spring 25 is fixedly connected to the side of each electromagnet 24 close to the fixed horizontal plate 15, and a permanent magnet 26 is fixedly connected to the end of each spring 25 away from the electromagnet 24. The magnetic poles of the electromagnet 24 are the same as the magnetic poles of the permanent magnet 26, and the permanent magnet 26 is slidably adapted to the guide rail 23. A connecting rod 27 is fixedly connected to the end of each permanent magnet 26 away from the spring 25, and a semicircular plate 28 is fixedly connected to the end of each connecting rod 27 away from the permanent magnet 26. The bottom of each discharge port 7 is located on the movement path of the bottom of each two semicircular plates 28, and the radius of the two semicircular plates 28 is adapted to the radius of the cylinder 18.

[0044] A discharge assembly is provided at the top of the base 1, and the discharge assembly includes a discharge pipe 29 fixedly connected to the bottom of each collecting cylinder 9. A guide rail 2 30 is fixedly connected to the upper surface of the base 1, and a mixing bin 31 is slidably connected to the guide rail 2 30. The four discharge pipes 29 are connected to the mixing bin 31, and a solenoid valve is provided inside each discharge pipe 29. A pressure sensor 32 is fixedly installed on the top of the base 1, and the top of the pressure sensor 32 fits with the bottom of the mixing bin 31.

[0045] The above implementation works as follows:

[0046] The initialization steps are as follows:

[0047] The solenoid valve in the discharge pipe 29 is energized and in a closed state.

[0048] The working steps are as follows:

[0049] The working steps of the metering component are as follows:

[0050] According to the standard for producing mixed environmentally friendly waterproof coatings, the measurement of each environmentally friendly waterproof coating is calculated in advance. The staff first pulls the pin 14 out of the sliding plate 11. At this time, the staff finds the corresponding circular hole 13 according to the scale line of the scale plate 10 according to the needs of each environmentally friendly waterproof coating. The staff then holds the sliding plate 11 and slides it on the collecting tube 9. Then the staff inserts the pin 14 into the corresponding circular hole 13 and passes it through the sliding plate 11. The pin 14 is connected with the sliding plate 11, and the sliding plate 11 can be stopped at the specified height. The sliding plate 11 drives the photoelectric switch 12 to move synchronously.

[0051] The staff puts the environmentally friendly waterproof coating into the feed bin 5 through the distribution port 6 according to different varieties. After the different varieties of environmentally friendly waterproof coating enter the feed bin 5 respectively, the environmentally friendly waterproof coating enters the discharge port 7 through the feed bin 5 again respectively, so that the different varieties of environmentally friendly waterproof coating continuously enter the corresponding inner cavity of the collecting tube 9 through multiple discharge ports 7.

[0052] The working steps of the closed assembly are as follows:

[0053] When the environmentally friendly waterproof coating in the inner cavity of the collecting tube 9 is continuously accumulated, the environmentally friendly waterproof coating continuously rising in the inner cavity of the collecting tube 9 pushes up the round plug 22 on the buoyancy plate, so that the round plug 22 slides vertically upward along the guide column 21. When the round plug 22 is continuously rising with the environmentally friendly waterproof coating and reaches the horizontal plane of the photoelectric switch 12, the buoyancy plate of the round plug 22 completely covers the photoelectric switch 12.

[0054] The coordination of the sealing component and the metering component ensures that the environmentally friendly waterproof coating in the inner cavity of the collecting tube 9 reaches the metering required for production, while ensuring that the metering of the environmentally friendly waterproof coating is not too much or too little, thereby ensuring the mixing ratio of the environmentally friendly waterproof coating.

[0055] The working steps of the closing assembly are as follows:

[0056] After the photoelectric switch 12 is completely covered by the buoyancy plate of the round plug 22, the controller controls the electromagnet 24 to start. At this time, the electromagnet 24 generates magnetic poles after starting, and pushes the permanent magnet 26 to slide on the guide rail 23 in the direction away from the electromagnet 24. At the same time, the permanent magnet 26 continuously moves away from the electromagnet 24 and pulls the spring 25, so that the two connecting rods 27 move toward the fixed horizontal plate 15, so that the two connecting rods 27 respectively drive the semicircular plates 28 to move toward the direction of the discharge port 7, so that the two semicircular plates 28 collide with each other to form a whole circle, and the upper surface of the lower end of the whole circle collide with the lower surface opening of the discharge port 7. At the same time, the center of the whole circle after formation is located on the same vertical plane as the center of the cylinder 18, thereby blocking the lower surface of the cylinder 18.

[0057] Through the setting of the closing component, when the environmentally friendly waterproof coating in the inner cavity of the collecting cylinder 9 reaches the specified measurement, the two semicircular plates 28 form a full circle to block the discharge port 7, thereby preventing the discharge port 7 from continuing to discharge material, thereby avoiding the overweight of the environmentally friendly waterproof coating caused by continuous discharge of material from the discharge port 7.

[0058] The working steps of the sinking component are as follows:

[0059] When the floating plate of the round plug 22 overlaps with the photoelectric switch 12, the photoelectric switch 12 controls the hydraulic jack 4 to start shrinking through the controller, and the telescopic shaft end of the hydraulic jack 4 drives the feed bin 5 to move vertically downward, and the feed bin 5 drives the discharge port 7 to move vertically downward, and the discharge port 7 drives the fixed horizontal plate 15 to move vertically downward, and the fixed horizontal plate 15 drives the fixed vertical plate 16 to move synchronously, so that the fixed vertical plate 16 drives the circular plate 17 to move in the direction close to the round plug 22, so that the circular hole three 20 penetrates and slides on the guide column 21, and at the same time, the inner cavity of the circular hole two 19 is sleeved on the outside of the round plug 22, so that the circular plate 17 is completely closed at this time, so that the solenoid valve of the discharge pipe 29 is opened, and the circular plate 17 continues to move vertically downward, and the outer side of the circular plate 17 continues to fit the inner cavity of the collecting tube 9, pushing all the environmentally friendly waterproof feed in the collecting tube 9 into the discharge pipe 29.

[0060] By setting up the sinking component, all the environmentally friendly waterproof materials in the inner cavity of the collecting tube 9 can be transferred to the mixing bin 31, thereby avoiding the environmentally friendly waterproof materials from adhering to the inner wall of the collecting tube 9, further ensuring the accuracy of weighing the environmentally friendly waterproof materials after mixing, and avoiding weighing errors caused by the environmentally friendly waterproof materials adhering to the inner wall of the collecting tube 9.

[0061] The working steps of blanking components are as follows:

[0062] At this time, the environmentally friendly waterproof coating discharged from the discharge pipe 29 into the mixing bin 31 is environmentally friendly waterproof coatings of different qualities and volumes entering the mixing bin 31 for mixing. At this time, the weight of the mixed environmentally friendly waterproof coating is sensed by the pressure sensor 32, and the pressure sensor 32 transmits the weight of the mixed environmentally friendly waterproof coating to the controller for recording, thereby completing the metering and weighing of the mixed environmentally friendly waterproof coating. When the mixed environmentally friendly waterproof coating in the inner cavity of the mixing bin 31 is weighed, the staff will first pull out the discharge pipe 29 on the mixing bin 31 and then slide the mixing bin 31 on the guide rail 2 30 for transportation.

[0063] The arrangement of four discharge pipes 29 and the cooperation of the feeding components enable the synchronous transfer and mixing of different environmentally friendly waterproof coatings. Firstly, the work steps of weighing a variety of environmentally friendly waterproof coatings in sequence are avoided. Secondly, the synchronous mixing enables the environmentally friendly waterproof coatings to be mixed at one time, avoiding the repeated addition of different types of waterproof coatings in sequence, thereby improving the weighing efficiency of the environmentally friendly waterproof coatings after mixing.

[0064] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0065] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A metering device for production, mixing and conveying of environmentally friendly waterproof coatings, comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly connected to a fixed block (2), and a sinking component is arranged on the fixed block (2). The sinking component comprises a groove (3) opened on the fixed block (2), and a hydraulic jack (4) is fixedly connected inside the groove (3). The telescopic shaft end of the hydraulic jack (4) is fixedly connected to a feed bin (5), and four material distribution ports (6) are opened on the feed bin (5). The bottom of the feed bin (5) is fixedly connected to four material discharge ports (7).

2. The metering device for production, mixing and conveying of environmentally friendly waterproof coating according to claim 1 is characterized by: A metering assembly is arranged on the top of the fixed block (2), and the metering assembly comprises a fixed disc (8) fixedly connected to the top of the fixed block (2), four collecting cylinders (9) fixedly connected to the top of the fixed disc (8), four scale plates (10) fixedly connected to the top of the fixed disc (8), a sliding plate (11) slidably connected to each of the collecting cylinders (9), a photoelectric switch (12) fixedly installed inside each of the sliding plates (11), a plurality of circular holes (13) equidistantly provided on each of the scale plates (10), and a latch (14) slidably connected to the side wall of each of the sliding plates (11).

3. A metering device for production, mixing and conveying of environmentally friendly waterproof coating according to claim 2, characterized in that: A sealing component is arranged on the top of the fixed disc (8), and the sealing component comprises a fixed transverse plate (15) fixedly connected to the outer side of each discharge port (7), the side wall of each fixed transverse plate (15) is fixedly connected to a fixed vertical plate (16), the bottom of each fixed vertical plate (16) is fixedly connected to a circular plate (17), the top of each circular plate (17) is fixedly connected to a cylinder (18), each circular plate (17) is provided with a second circular hole (19) at an eccentric position, and each circular plate (17) is provided with a third circular hole (20) at an eccentric position, the bottom of the inner cavity of the collecting cylinder (9) is fixedly connected to a guide column (21), and the outer side of the guide column (21) is penetrated and slidably connected to a round plug (22).

4. A metering device for production, mixing and conveying of environmentally friendly waterproof coating according to claim 3, characterized in that: A closing component is provided on the fixed vertical plate (16), and the closing component comprises a guide rail (23) fixedly connected to a side of each fixed vertical plate (16) close to the fixed horizontal plate (15); two electromagnets (24) are symmetrically fixedly connected to a side of each fixed vertical plate (16) close to the fixed horizontal plate (15); a spring (25) is fixedly connected to a side of each electromagnet (24) close to the fixed horizontal plate (15); an end of each spring (25) away from the electromagnet (24) is fixedly connected to a permanent magnet (26); an end of each permanent magnet (26) away from the spring (25) is fixedly connected to a connecting rod (27); and an end of each connecting rod (27) away from the permanent magnet (26) is fixedly connected to a semicircular plate (28).

5. The metering device for production, mixing and conveying of environmentally friendly waterproof coating according to claim 2, characterized in that: A material discharge assembly is arranged on the top of the base (1), and the material discharge assembly comprises a discharge pipe (29) fixedly connected to the bottom of each collecting barrel (9); a guide rail 2 (30) is fixedly connected to the upper surface of the base (1); a mixing bin (31) is slidably connected to the guide rail 2 (30); and a pressure sensor (32) is fixedly installed on the top of the base (1).

6. The metering device for production, mixing and conveying of environmentally friendly waterproof coating according to claim 2, characterized in that: The latch pin (14) is slidably matched with the circular hole one (13), and each circular hole one (13) corresponds to a scale line of the scale plate (10).

7. The metering device for production, mixing and conveying of environmentally friendly waterproof coating according to claim 3 is characterized by: The size of the second circular hole (19) is matched with that of the circular plug (22), the guide column (21) is slidably matched with the third circular hole (20), and the outer side of the circular plate (17) is in contact with the inner surface of the collecting tube (9).

8. The metering device for production, mixing and conveying of environmentally friendly waterproof coating according to claim 4 is characterized by: The magnetic poles of the electromagnet (24) after being energized are the same as those of the permanent magnet (26); the permanent magnet (26) is slidably matched with the guide rail (23); and the photoelectric switch (12) controls the opening and closing of the electromagnet (24) and the hydraulic jack (4) respectively through a controller.

9. The metering device for production, mixing and conveying of environmentally friendly waterproof coating according to claim 4, characterized in that: The radius of the two semicircular plates (28) is matched with the radius of the cylinder (18), and the bottom of each discharge port (7) is located on the movement path of the bottom of each of the two semicircular plates (28).

10. The metering device for production, mixing and conveying of environmentally friendly waterproof coating according to claim 5, characterized in that: The four discharge pipes (29) are interconnected with the mixing bin (31), and a solenoid valve is arranged inside each of the discharge pipes (29). The top of the pressure sensor (32) fits with the bottom of the mixing bin (31).

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