Epoxy paint mixing kettle

Abstract

The utility model provides an epoxy paint mixing kettle which is used for solving the problem that sampling cannot be carried out conveniently in the prior art. The reaction kettle comprises a kettle body, the side wall of the kettle body communicates with a plurality of communicating pipes, telescopic rods are fixed to the ends, away from the kettle body, of the communicating pipes, the telescopic rods comprise movable rods, the movable rods are arranged in the communicating pipes, sealing plates are fixed to the ends, close to the kettle body, of the movable rods, the sealing plates slide in the communicating pipes, connecting pipes are arranged on the communicating pipes, and the connecting pipes are connected with sampling pipes. The sampling pipe comprises a cylinder body, a ball float valve is arranged at the upper end of the cylinder body, a normally-closed one-way valve is arranged at the lower end of the cylinder body, and when color paste in the kettle body flows into the sampling pipe along the connecting pipe, the color paste firstly enables the normally-closed one-way valve to be opened and then enables the ball float valve to be closed. According to the paint mixing kettle disclosed by the utility model, the movement of the sealing plate is controlled through the telescopic rod, so that sampling is realized under the condition that a paint mixing kettle cover is not opened, external pollution is prevented from entering the kettle body, and meanwhile, waste of color paste in a sampling process is also reduced.

Description

Technical Field

[0001] The utility model relates to the field of production equipment for epoxy paint, in particular to an epoxy paint mixing kettle. Background Art

[0002] With the continuous development of industrial technology, epoxy paint, as a coating widely used in fields such as anti-corrosion, wear resistance, and decoration, its production process and quality control have received increasing attention. During the production process of epoxy paint, as one of the core equipment, the performance and operation mode of the mixing kettle directly affect the product quality and production efficiency.

[0003] The existing Chinese utility model patent with the application number 202320153239.7 discloses a color paste mixing device. It samples the paint sample through a pump body and a connecting pipe, and then collects it through a collecting shell. By sampling at different connecting pipe positions, the mixing condition of the paint can be understood. However, this solution has the following disadvantages. After a single sampling, paint will remain in the connecting pipe. If multi-point measurement is required, the connecting pipe must be cleaned before sampling again. Moreover, when sampling, the paint at the top of the mixing kettle needs to flow through the entire connecting pipe to obtain a sample. The above problems will make it inconvenient to sample and easily cause sample contamination. Content of the Utility Model

[0004] The utility model provides an epoxy paint mixing kettle, which solves the problem of inconvenient sampling in the prior art.

[0005] The technical solution of the utility model is realized as follows:

[0006] An epoxy paint mixing kettle includes a kettle body. A plurality of connecting pipes are communicated with the side wall of the kettle body. One end of the connecting pipe far away from the kettle body is fixed with a telescopic rod. The telescopic rod includes a movable rod. The movable rod is placed in the connecting pipe. One end of the movable rod close to the kettle body is fixed with a sealing plate. The sealing plate slides in the connecting pipe. A connecting pipe is provided with a connecting tube. The connecting tube is connected with a sampling tube. The sampling tube includes a cylinder body. A floating ball valve is arranged at the upper end of the cylinder body. A normally closed one-way valve is arranged at the lower end of the cylinder body. When the color paste in the kettle body flows along the connecting tube into the sampling tube, the color paste first opens the normally closed one-way valve and then closes the floating ball valve.

[0007] Further, a one-way valve is fixedly installed inside the connection pipe. The one-way valve in the connection pipe includes a valve housing of the connection pipe. A sealing shaft of the connection pipe slides inside the valve housing of the connection pipe. A small shaft is provided at the top end of the sealing shaft of the connection pipe. The small shaft penetrates through the valve housing of the connection pipe. The bottom of the sealing shaft of the connection pipe is connected to the valve housing of the connection pipe through a spring of the connection pipe. The top of the sealing shaft of the connection pipe is connected to the valve housing of the connection pipe. A filter screen is provided at the liquid inlet of the one-way valve in the connection pipe. When the small shaft is placed inside the normally closed one-way valve, both the one-way valve in the connection pipe and the normally closed one-way valve are in an open state. A fixing device is provided at the connection pipe. The one-way valve in the connection pipe not only works in coordination with the normally closed one-way valve, reducing the resistance of the normally closed one-way valve to the flow of color paste, but also effectively prevents the backflow and leakage of color paste when the sampling pipe is disassembled.

[0008] Further, one end of the sealing plate close to the kettle body is provided with an arc surface, and the arc surface can coincide with the inner side surface of the kettle body. The arc surface extends the service life of the scraper inside the kettle body and reduces the maintenance cost and frequency of the kettle body.

[0009] Further, the fixing device includes a taper thread provided on the outer wall of the connection pipe. Cutting grooves are circumferentially arrayed on the upper part of the connection pipe. A tightening sleeve is screwed onto the taper thread. The stable fixing device reduces the falling off or displacement of the quality control tube.

[0010] Further, a viewing window and a scale are provided on the side wall of the sampling pipe. The design of the scale enables the operator to accurately measure the height of the color paste, avoiding the uncertainty of guessing or estimating.

[0011] Further, the connection pipe and the sampling pipe are connected by a pipe thread. By adopting a pipe thread connection between the connection pipe and the sampling pipe, it has the advantages of simple and convenient connection and good sealing effect.

[0012] Beneficial effects that can be produced by this technical solution.

[0013] The utility model controls the movement of the sealing plate through a telescopic rod, realizing sampling without opening the paint mixing kettle cover, avoiding external pollution from entering the kettle body, and at the same time reducing the waste of color paste during the sampling process. The combined use of the normally closed one-way valve and the float valve ensures that the color paste can only enter the sampling pipe unidirectionally and automatically stops flowing after the sampling pipe is filled with color paste, avoiding the problems of excessive waste of color paste and inaccurate sampling. The sampling pipe and the connection pipe can achieve sampling through a simple connection, and the disassembly is also convenient, facilitating cleaning and repeated use after sampling, and also helping to reduce cross-contamination during the sampling process, improving the reliability and accuracy of sampling, and avoiding the problem of secondary pollution that may occur in traditional sampling methods. Description of the Drawings

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a cross-sectional view of the utility model;

[0017] Figure 3 This is a partial cross-sectional view of the telescopic rod of the utility model;

[0018] Figure 4 for Figure 3 A partial enlarged schematic diagram of point A in the middle;

[0019] Figure 5 This is a schematic diagram of the planar structure of the one-way valve of the utility model;

[0020] Figure 6 This is an exploded view of the fixing device of the utility model;

[0021] Figure 7 This is a cross-sectional view of the telescopic rod of the utility model;

[0022] Figure 8 It is a partial schematic diagram of the second embodiment of the present utility model.

[0023] Among them: 1. kettle body, 2. connecting pipe, 3. telescopic rod, 4. movable rod, 5. sealing plate, 6. connecting pipe, 7. sampling tube, 8. cylinder, 9. float valve, 10. normally closed one-way valve, 11. connecting pipe one-way valve, 12. connecting pipe valve shell, 13. connecting pipe sealing shaft, 14. small shaft, 15. filter screen, 16. fixing device, 17. curved surface, 18. groove, 19. elastic sleeve, 20. window. DETAILED DESCRIPTION

[0024] 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 embodiments described 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.

[0025] Example 1

[0026] like Figures 1-5As shown in the figure, an epoxy paint mixing kettle includes a kettle body 1. A plurality of connecting pipes 2 are communicated with the side wall of the kettle body 1. One end of the connecting pipe 2 far away from the kettle body 1 is fixed with a telescopic rod 3. The telescopic rod 3 includes a movable rod 4. The movable rod 4 is placed in the connecting pipe 2. One end of the movable rod 4 close to the kettle body 1 is fixed with a sealing plate 5. The sealing plate 5 slides in the connecting pipe 2. A connecting pipe 6 is arranged on the connecting pipe 2. The connecting pipe 6 is connected with a sampling pipe 7. The sampling pipe 7 includes a cylinder body 8. A float valve 9 is arranged at the upper end of the cylinder body 8. A normally closed one-way valve 10 is arranged at the lower end of the cylinder body 8. When the color paste in the kettle body 1 flows along the connecting pipe 6 into the sampling pipe 7, the color paste first opens the normally closed one-way valve 10, and then closes the float valve 9.

[0027] During use, connect the sampling pipe 7 with the connecting pipe 6. Drive the movable rod 4 of the telescopic rod 3 to drive the sealing plate 5 away from the kettle body 1. At the same time, the color paste will flow along with the sealing plate 5. When the sealing plate 5 passes through the connecting pipe 6, the color paste in the kettle body 1 will flow into the sampling pipe 7 with a relatively lower height. During the flow of the color paste, it overcomes the resistance of the normally closed one-way valve 10, makes the normally closed one-way valve 10 become an open state and enters the cylinder body 8. At the same time, the air in the cylinder body 8 will be discharged through the float valve 9. When the cylinder body 8 is filled with the color paste, the color paste will close the float valve 9. At this time, the color paste stops flowing in the cylinder body 8. Since there is no flowing color paste to provide thrust for the normally closed one-way valve 10, the normally closed one-way valve 10 automatically closes at this time. Then the staff drives the telescopic rod 3 to move the sealing plate 5 towards the kettle body 1. During the movement, the sealing plate 5 will push the color paste in the connecting pipe 2 into the kettle body 1. Finally, the sealing plate 5 will coincide with the inner wall of the kettle body 1, reducing the waste of color paste and the pollution of re-sampling. By connecting the connecting pipe 6 with the cylinder body 8, the sampling pipe 7 can be quickly disassembled, achieving the effect of quick sampling. The connecting pipes 2 can be multiple and can be arranged at different heights, facilitating multi-point sampling, enabling the sampling to cover different areas in the kettle body 1, improving the representativeness and accuracy of the sampling, and thus helping to discover uneven phenomena during the paint mixing process and timely adjust the process parameters. The normally closed one-way valve 10 includes a one-way valve body. A valve core slides in the one-way valve body. The bottom end of the valve core abuts against the liquid inlet of the one-way valve body. The top end of the valve core is sealed with the one-way valve body through a spring. The float valve 9 includes a float valve 9 body. A float ball slides in the float valve 9 body. The float ball can close the float valve 9 body under the action of buoyancy. The telescopic rod 3 can be an existing electric push rod or hydraulic rod, etc. The telescopic rod 3, the float valve 9 and the normally closed one-way valve 10 are all existing technologies. The sealing plate 5 abuts against the inner side wall of the connecting pipe 2 for sealing.

[0028] As Figures 1-5As shown, a check valve 11 is fixed inside the connecting pipe 6. The check valve 11 in the connecting pipe includes a valve housing 12 of the connecting pipe. A sealing shaft 13 of the connecting pipe slides inside the valve housing 12 of the connecting pipe. A small shaft 14 is provided at the top of the sealing shaft 13 of the connecting pipe. The small shaft 14 penetrates through the valve housing 12 of the connecting pipe. The bottom of the sealing shaft 13 of the connecting pipe is connected to the valve housing 12 of the connecting pipe through a spring of the connecting pipe 6. The top of the sealing shaft 13 of the connecting pipe is connected to the valve housing 12 of the connecting pipe. A filter screen 15 is provided at the liquid inlet of the check valve 11 in the connecting pipe. When the small shaft 14 is placed inside the normally closed check valve 10, both the check valve 11 in the connecting pipe and the normally closed check valve 10 are in an open state. A fixing device 16 is provided at the connecting pipe 6. During the installation of the sampling pipe 7, the normally closed check valve 10 is aligned with and moved closer to the small shaft 14. Since the distance between the normally closed check valve 10 and the check valve 11 in the connecting pipe decreases, both the small shaft 14 and the valve core of the normally closed check valve 10 will be under pressure, so that the normally closed check valve 10 and the check valve 11 in the connecting pipe will open simultaneously, enabling the connecting pipe 6 to communicate with the valve body. At this time, the color paste can directly pass through the filter plate and the normally closed check valve 10, and then the sampling pipe 7 is fixed by the fixing device 16. The check valve 11 in the connecting pipe can reduce the resistance of the normally closed check valve 10 to the color paste, and can also prevent the accidental closing of the normally closed check valve 10 due to the relatively low pressure in the kettle body 1, ensuring the stability and reliability of sampling under different pressure conditions. By providing the filter screen 15, it is possible to prevent the unthoroughly stirred color paste from clogging the sampling pipe 7. After sampling, the sampling pipe 7 is pulled out of the fixing device 16, and at the same time, both the normally closed check valve 10 and the check valve 11 in the connecting pipe are directly closed, thereby preventing the leakage of the color paste. The check valve 11 in the connecting pipe can abut against the bottom end of the sampling pipe 7 through a sealing ring. By providing the sealing ring, the sealing performance between the sampling pipe 7 and the connecting pipe 6 can be improved, effectively preventing the leakage and pollution of the color paste. The check valve 11 in the connecting pipe can also provide a limit for the sampling pipe 7, preventing the sampling pipe 7 from being directly placed inside the connecting pipe 2, thereby affecting the movement of the telescopic rod 3.

[0029] As Figure 7 shown, one end of the sealing plate 5 close to the kettle body 1 is provided with an arc surface 17, and the arc surface 17 can coincide with the inner side surface of the kettle body 1. By providing the arc surface 17, the sealing plate 5 and the inner wall of the kettle body 1 can be more closely fitted, reducing the collision between the arc surface 17 and the internal scraper of the kettle body 1, and can also prevent the color paste from remaining inside the connecting pipe 2, making the maintenance and cleaning work more convenient.

[0030] As Figure 6As shown, the fixing device 16 includes a tapered thread provided on the outer wall of the connecting pipe 6. There are circumferentially arrayed cut grooves 18 on the upper part of the connecting pipe 6, and a tightening and loosening sleeve 19 is screwed onto the tapered thread. When it is necessary to fix the sampling pipe 7, by tightening the connecting pipe 6, the gap of the cut grooves 18 is reduced, and the inner diameter of the connecting pipe 6 is reduced. By using the frictional force between the connecting pipe 6 and the side wall of the sample pipe, the sample pipe can be stably fixed, ensuring that the sample pipe will not move or fall off during the operation. The design of the tapered thread and the tightening and loosening sleeve 19 makes it simpler and faster to fix and loosen the sample pipe, without the need to use additional tools. Since the inner diameter of the connecting pipe 6 can be adjusted, the connecting pipe 6 can adapt to sample pipes of different sizes, having strong versatility.

[0031] As Figure 4 shown, the side wall of the sampling pipe 7 is provided with a window 20 and scales. By providing the window 20 and scales, it is convenient to observe the height of the color paste in the sampling pipe 7, and there is no need to open or disassemble the sampling pipe 7, improving the convenience of operation, reducing the operation steps and time. It is also convenient for the operator to better control the volume of the color paste to be sampled during the operation, and can adapt to the sampling requirements of color pastes at different heights, having strong versatility.

[0032] Embodiment 2

[0033] As Figure 8 shown, the connecting pipe 6 and the sampling pipe 7 are connected by a pipe thread. Pipe thread connection is a simple and common mechanical connection method. The operator only needs to rotate a few times to complete the connection or disassembly, without the need to use additional tools. Pipe thread connection generally has good sealing performance and can effectively prevent liquid leakage. The other structures of this embodiment are the same as those of Embodiment 1.

[0034] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An epoxy paint mixing kettle, comprising a kettle body (1), characterized in that: A plurality of connecting pipes (2) are connected to the side wall of the kettle body (1). One end of the connecting pipe (2) far away from the kettle body (1) is fixed with a telescopic rod (3). The telescopic rod (3) includes a movable rod (4). The movable rod (4) is placed inside the connecting pipe (2). One end of the movable rod (4) close to the kettle body (1) is fixed with a sealing plate (5). The sealing plate (5) slides inside the connecting pipe (2). A connecting pipe (6) is provided on the connecting pipe (2). The connecting pipe (6) is connected with a sampling pipe (7). The sampling pipe (7) includes a cylinder body (8). A float valve (9) is provided at the upper end of the cylinder body (8). A normally closed one-way valve (10) is provided at the lower end of the cylinder body (8). When the color paste in the kettle body (1) flows into the sampling pipe (7) along the connecting pipe (6), the color paste first opens the normally closed one-way valve (10), and then closes the float valve (9).

2. The epoxy paint mixing kettle according to claim 1, wherein: A connecting pipe one-way valve (11) is fixed inside the connecting pipe (6). The connecting pipe one-way valve (11) includes a connecting pipe valve housing (12). A connecting pipe sealing shaft (13) slides inside the connecting pipe valve housing (12). A small shaft (14) is provided at the top end of the connecting pipe sealing shaft (13). The small shaft (14) penetrates through the connecting pipe valve housing (12). The bottom of the connecting pipe sealing shaft (13) is connected to the connecting pipe valve housing (12) through a connecting pipe (6) spring. The top of the connecting pipe sealing shaft (13) is connected to the connecting pipe valve housing (12). A filter screen (15) is provided at the liquid inlet of the connecting pipe one-way valve (11). When the small shaft (14) is placed inside the normally closed one-way valve (10), both the connecting pipe one-way valve (11) and the normally closed one-way valve (10) are in an open state. A fixing device (16) is provided at the connecting pipe (6).

3. The epoxy paint mixing kettle according to claim 1, wherein: One end of the sealing plate (5) close to the kettle body (1) is provided with an arc surface (17), and the arc surface (17) can coincide with the inner side surface of the kettle body (1).

4. The epoxy paint mixing kettle according to claim 2, characterized in that: The fixing device (16) includes a taper thread provided on the outer wall of the connecting pipe (6). A plurality of cutting grooves (18) are circumferentially arranged on the upper part of the connecting pipe (6). The taper thread is screwed with a tightening sleeve (19).

5. An epoxy paint mixing kettle according to claim 1, characterized in that: A viewing window (20) and scales are provided on the side wall of the sampling pipe (7).

6. The epoxy paint mixing kettle according to claim 1, characterized in that: The connecting pipe (6) and the sampling pipe (7) are connected by a pipe thread.

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