Stirring kettle convenient for sampling

Abstract

The invention provides a stirring kettle convenient for sampling, which belongs to the technical field of resin preparation equipment and comprises a support, a stirring kettle body fixedly connected to the support, a stirring mechanism arranged on the stirring kettle body and used for stirring materials, and a connecting hole formed in the side wall of the stirring kettle body. A connecting pipe is fixedly connected to the inner wall of the connecting hole, one end of the connecting pipe is flush with the outer wall of the stirring kettle body, the other end of the connecting pipe extends towards the interior of the stirring kettle body, and a sampling pipe is installed on the inner wall of the end, close to the connecting hole, of the connecting pipe; and a connecting mechanism which is used for facilitating resin in the connecting pipe to enter the sampling pipe and can block the connecting pipe after the sampling pipe is taken down is arranged between the sampling pipe and the connecting pipe. The stirring kettle has the advantages that an operator can conveniently sample materials in the stirring kettle, and the operator can conveniently observe the mixing process of the resin in the stirring kettle.

Description

Technical Field

[0001] The invention belongs to the technical field of resin preparation equipment, in particular to a stirring kettle which is convenient for sampling. Background Art

[0002] Photosensitive resin refers to the material used for photocuring rapid prototyping, which is a liquid photocurable resin, or liquid photosensitive resin, mainly composed of polymers, photoinitiators, and diluents. In the past two years, photosensitive resins have been used in the emerging industry of 3D printing and have been favored and valued by the industry because of their excellent properties.

[0003] During the preparation of the photosensitive resin, the operator needs to stir and mix the raw materials through a stirring kettle. When the existing stirring kettle is in use, the operator cannot observe the stirring and mixing progress of the stirring kettle by sampling because the stirring kettle is in a closed state. Summary of the invention

[0004] The purpose of the present invention is to solve the above problems in the prior art and to propose a stirring kettle for convenient sampling, which is convenient for the operator to sample the materials in the stirring kettle and observe the mixing process of the resin in the stirring kettle.

[0005] The purpose of the present invention can be achieved by the following technical solutions:

[0006] A stirring kettle for convenient sampling comprises a bracket, a stirring kettle body is fixedly connected to the bracket, a stirring mechanism for stirring materials is arranged on the stirring kettle body, a connecting hole is opened on the side wall of the stirring kettle body, a connecting pipe is fixedly connected to the inner wall of the connecting hole, one end of the connecting pipe is flush with the outer wall of the stirring kettle body, and the other end of the connecting pipe extends toward the inside of the stirring kettle body, a sampling tube is installed on the inner wall of one end of the connecting pipe close to the connecting hole, and a connecting mechanism is arranged between the sampling tube and the connecting pipe for facilitating the resin in the connecting pipe to enter the sampling tube and for sealing the connecting pipe after the sampling tube is removed.

[0007] Furthermore, the connecting mechanism includes a connecting ring fixedly connected to the inner wall of the connecting tube, a connecting tube slidably connected to the inner wall of the connecting ring, a first through hole opened on the outer wall of the connecting tube, a first retaining ring fixedly connected to the outer wall of one end of the connecting tube, a first spring sleeved on the outer wall of the connecting tube, a second retaining ring threadedly connected to the inner wall of one end of the sampling tube, a driving tube slidably connected to the inner wall of the second retaining ring, a second through hole opened on the outer wall of the driving tube, a third retaining ring fixedly connected to the outer wall of one end of the driving tube, a second spring sleeved on the outer wall of the driving tube, an annular groove opened on the outer wall of the outer wall of one end of the connecting tube, and a first retaining ring slidably connected to the inner wall of the second retaining ring. A connecting ring on the inner wall and a limiting member arranged between the connecting ring and the inner wall of the ring groove for limiting the rotation of the connecting ring, the first through hole is located on the side of the connecting ring close to the sampling tube, the end of the connecting tube away from the sampling tube is closed, the two ends of the first spring are respectively fixedly connected to the first retaining ring and the connecting ring, the second through hole is located on the side of the second retaining ring close to the connecting tube, the end of the driving tube away from the connecting tube is closed, the two ends of the second spring are respectively fixedly connected to the third retaining ring and the second retaining ring, one end of the sampling tube is threadedly connected to the inner wall of the connecting ring, and one end of the driving tube abuts against the end face of one end of the connecting tube.

[0008] Furthermore, the limiting member includes a limiting ring slidably connected in the annular groove, the limiting ring and the connecting ring are coaxially arranged, a limiting spring is fixedly connected to the inner wall of the end of the annular groove away from the sampling tube, the limiting spring is located in the annular groove, the other end of the limiting spring is fixedly connected to the limiting ring, a first end face tooth is fixedly connected to the side wall of the limiting ring away from the limiting spring, and a second end face tooth is fixedly connected to the end face of one end of the connecting ring close to the limiting ring, and under the action of the restoring force of the limiting spring, the first end face tooth and the second end face tooth are meshed.

[0009] Furthermore, a fourth retaining ring is fixedly connected to the inner wall of one end of the connecting tube close to the sampling tube, a rotating seat is fixedly connected to the side wall of the fourth retaining ring away from the sampling tube, a sliding groove is provided on the inner walls on both sides of the rotating seat, a sliding block is slidably connected between the inner walls on both sides of the rotating seat, a rotating rod is fixedly connected to the side walls on both sides of the sliding block, the rotating rod is slidably connected in the sliding groove, a one-way plate is fixedly connected to the outer wall of the sliding block, the one-way plate is tightly pressed against the fourth retaining ring, and a driving component for driving the one-way plate to rotate is provided on one end of the driving tube.

[0010] Furthermore, the driving assembly includes an extension tube coaxially fixedly connected to the outer wall of one end of the driving tube close to the connecting tube, a push rod fixedly connected to the inner wall of the extension tube, and a fifth retaining ring fixedly connected to the inner wall of one end of the driving tube; a fixing seat is fixedly connected to the side wall of the fifth retaining ring on the side away from the connecting tube, a sliding groove is provided on the inner walls on both sides of the fixing seat, a sliding block is slidably connected between the inner walls on both sides of the fixing seat, a rotating rod is fixedly connected to the side walls on both sides of the sliding block, the rotating rod is slidably connected in the sliding groove, a one-way block is fixedly connected to the outer wall of the sliding block, and the one-way block is tightly pressed against the fifth retaining ring.

[0011] Furthermore, a first long groove is provided on the inner wall of one end of the first through hole close to the sampling tube, the first long groove is connected to the outer wall of the connecting tube, a first connecting groove is provided on the side walls on both sides of the first long groove, a first sealing plate is slidably connected in the first long groove, first connecting blocks are fixedly connected at both ends of the side walls on both sides of the first sealing plate, the first connecting block is slidably connected in the first connecting groove, a first sealing spring is fixedly connected to the end surface of one end of the first sealing plate close to the sampling tube, under the action of the restoring force of the first sealing spring, the first sealing plate blocks the first through hole, and a first driving block is fixedly connected to the outer wall of one end of the first sealing plate away from the first blocking spring.

[0012] Furthermore, a second long groove is provided on the inner wall of one end of the second through hole close to the connecting tube, the second long groove is connected to the outer wall of the sampling tube, second connecting grooves are provided on the side walls on both sides of the second long groove, a second sealing plate is slidably connected in the second long groove, second connecting blocks are fixedly connected at both ends of the side walls on both sides of the second sealing plate, the second connecting block is slidably connected in the second connecting groove, a second sealing spring is fixedly connected to the end face of one end of the second sealing plate close to the connecting tube, under the action of the restoring force of the second sealing spring, the second sealing plate blocks the second through hole, and a second driving block is fixedly connected to the outer wall of one end of the second sealing plate away from the second blocking spring.

[0013] Furthermore, a plurality of connection holes are provided on the outer wall of the stirring kettle body along the height direction of the stirring kettle body.

[0014] Compared with the prior art, the present invention has the following advantages:

[0015] 1. The present invention provides a connecting hole on the side wall of the stirring kettle body, a connecting pipe is fixedly connected to the inner wall of the connecting hole, and a sampling tube is installed on the inner wall of the connecting tube. The connecting mechanism facilitates the material in the stirring kettle body to enter the sampling tube from the connecting pipe and facilitates the removal of the sampling tube. Such an arrangement has a simple structure and is easy to operate, which facilitates the operator to sample the material in the stirring kettle and observe the mixing process of the resin in the stirring kettle.

[0016] 2. The present invention connects the sampling tube in the link by thread, and then presses the sampling tube, the push rod pushes the one-way plate open, and then the extension tube drives the connecting tube and the driving tube to slide, the material enters the connecting tube from the through hole, and then enters the sampling tube through the second through hole. Through such an arrangement, the structure is simple, the operation is convenient, and it is convenient for the operator to take samples. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the present invention.

[0018] Figure 2 It is a structural schematic diagram of the connecting mechanism in the present invention.

[0019] In the figure, 1, bracket; 2, stirring kettle body; 3, stirring mechanism; 4, connecting hole; 5, connecting pipe; 6, sampling tube; 7, connecting mechanism; 8, connecting ring; 9, connecting pipe; 10, first through hole; 11, first retaining ring; 12, first spring; 13, second retaining ring; 14, driving pipe; 15, second through hole; 16, third retaining ring; 17, second spring; 18, ring groove; 19, connecting ring; 20, limiting member; 21, limiting ring; 22, limiting spring; 23, first end face tooth; 24, second end face tooth; 25, fourth retaining ring; 2 6. Rotating seat; 27. Sliding groove; 28. Sliding block; 29. ​​Rotating rod; 30. One-way plate; 31. Driving assembly; 32. Extension tube; 33. Push rod; 34. Fifth retaining ring; 35. Fixed seat; 36. Sliding groove; 37. Sliding block; 38. Rotating rod; 39. One-way block; 40. First long groove; 41. First connecting groove; 42. First blocking plate; 43. First blocking spring; 44. First driving block; 45. Second long groove; 46. Second connecting groove; 47. Second blocking plate; 48. Second blocking spring; 49. Second driving block. DETAILED DESCRIPTION

[0020] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0021] like Figure 1 , Figure 2 As shown, a stirring kettle convenient for sampling comprises a bracket 1, a stirring kettle body 2 is fixedly connected to the bracket 1, and a stirring mechanism 3 for stirring materials is provided on the stirring kettle body 2.

[0022] like Figure 1 , Figure 2 As shown, the stirring mechanism 3 includes a stirring motor fixedly connected to the upper surface of the stirring kettle body 2, a stirring rod fixedly connected to the output shaft of the stirring motor, the stirring rod extends into the stirring kettle body 2, and a stirring blade is fixedly connected to the outer wall of one end of the stirring rod extending into the interior of the stirring kettle body 2.

[0023] like Figure 1 , Figure 2 As shown, a plurality of connecting holes 4 are opened on the side wall of the stirring kettle body 2 along the height direction of the stirring kettle body 2, the connecting hole 4 is connected to the inside of the stirring kettle body 2, a connecting tube 5 is fixedly connected to the inner wall of the connecting hole 4, one end of the connecting tube 5 away from the connecting hole 4 extends toward the inside of the stirring kettle body 2, a sampling tube 6 is installed on the inner wall of one end of the connecting tube 5 close to the connecting hole 4, a connecting mechanism 7 is provided between the sampling tube 6 and the connecting tube 5, the connecting mechanism 7 is used for the connecting tube 5 to be blocked after the operator removes the sampling tube 6 and at the same time facilitate the resin in the connecting tube 5 to enter the sampling tube 6.

[0024] like Figure 1 , Figure 2 As shown, the connecting mechanism 7 includes a connecting ring 8, which is fixedly connected to the inner wall of the connecting tube 5, and a connecting tube 9 is slidably connected to the inner wall of the connecting ring 8. A first through hole 10 is opened on the outer wall of the connecting tube 9, and the end of the connecting tube 9 away from the sampling tube 6 is closed. A first retaining ring 11 is fixedly connected to the outer wall of the end of the connecting tube 9 close to the seal, and a first spring 12 is sleeved on the outer wall of the connecting tube 9. The two ends of the first spring 12 are respectively fixedly connected to the first retaining ring 11 and the side wall of the connecting ring 8 away from the sampling tube 6. Under the action of the restoring force of the first spring 12, the first through hole 10 is located on the side of the connecting ring 8 close to the sampling tube 6, a second retaining ring 13 is threadedly connected to the inner wall of the sampling tube 6, and a driving tube 14 is slidably connected to the inner wall of the second retaining ring 13. The driving tube The end face of the driving tube 14 away from the connecting tube 5 is closed, a second through hole 15 is opened on the outer wall of the driving tube 14, a third retaining ring 16 is fixedly connected to the outer wall of the end of the driving tube 14 away from the connecting tube 5, a second spring 17 is sleeved on the outer wall of the driving tube 14, two ends of the second spring 17 are respectively fixedly connected to the third retaining ring 16 and the second retaining ring 13, under the action of the restoring force of the second spring 17, the second through hole 15 is located on the side of the second retaining ring 13 close to the connecting tube 5, an annular groove 18 is opened on the inner wall of the end of the connecting tube 5 close to the connecting hole 4, a link 19 is slidably connected in the annular groove 18, the outer wall of one end of the sampling tube 6 is threadedly connected to the inner wall of the link 19, and a limiting member 20 for limiting the rotation of the link 19 is provided between the inner wall of the annular groove 18 and the link 19.

[0025] like Figure 1 , Figure 2As shown, the limiting member 20 includes a limiting ring 21, which is slidably connected in the annular groove 18. The limiting ring 21 is coaxially arranged with the connecting ring 19. A limiting spring 22 is fixedly connected to the inner wall of the end of the annular groove 18 away from the sampling tube 6. The limiting spring 22 is located in the annular groove 18. The other end of the limiting spring 22 is fixedly connected to the limiting ring 21. A first end face tooth 23 is fixedly connected to the side wall of the limiting ring 21 away from the limiting spring 22. A second end face tooth 24 is fixedly connected to the end face of the connecting ring 19 close to the limiting ring 21. Under the action of the restoring force of the limiting spring 22, the first end face tooth 23 and the second end face tooth 24 are meshed.

[0026] like Figure 1 , Figure 2 As shown, in order to reduce the outflow of resin from the connecting tube 5, a fourth retaining ring 25 is fixedly connected to the inner wall of one end of the connecting tube 9 close to the sampling tube 6, a rotating seat 26 is fixedly connected to the side wall of the fourth retaining ring 25 away from the sampling tube 6, a sliding groove 27 is provided on the inner walls on both sides of the rotating seat 26, a sliding block 28 is slidably connected between the inner walls on both sides of the rotating seat 26, a rotating rod 29 is fixedly connected to the side walls on both sides of the sliding block 28, the rotating rod 29 is slidably connected in the sliding groove 27, a one-way plate 30 is fixedly connected to the outer wall of the sliding block 28, the one-way plate 30 is tightly pressed against the fourth retaining ring 25, and a driving component 31 for driving the one-way plate 30 to rotate is provided on one end of the driving tube 14.

[0027] like Figure 1 , Figure 2 As shown, the driving assembly 31 includes an extension tube 32 coaxially fixedly connected to the outer wall of one end of the driving tube 14 close to the connecting tube 9, a push rod 33 fixedly connected to the inner wall of the extension tube 32, and a fifth baffle ring 34 fixedly connected to the inner wall of one end of the driving tube 14. A fixing seat 35 is fixedly connected to the side wall of the fifth baffle ring 34 on the side away from the connecting tube 5, a slide groove 36 is provided on the inner walls on both sides of the fixing seat 35, a slider 37 is slidably connected between the inner walls on both sides of the fixing seat 35, a rotating rod 38 is fixedly connected to the side walls on both sides of the slider 37, the rotating rod 38 is slidably connected in the slide groove 36, a one-way block 39 is fixedly connected to the outer wall of the slider 37, and the one-way block 39 is tightly pressed against the fifth baffle ring 34.

[0028] like Figure 1 , Figure 2As shown, a first long groove 40 is provided on the inner wall of one end of the first through hole 10 close to the sampling tube 6, the first long groove 40 is connected to the outer wall of the connecting tube 9, a first connecting groove 41 is provided on the side walls on both sides of the first long groove 40, a first blocking plate 42 is slidably connected in the first long groove 40, first connecting blocks are fixedly connected at both ends of the side walls on both sides of the first blocking plate 42, the first connecting block is slidably connected in the first connecting groove 41, a first blocking spring 43 is fixedly connected to the end surface of the first blocking plate 42 close to the sampling tube 6, under the action of the restoring force of the first blocking spring 43, the first blocking plate 42 blocks the first through hole 10, and a first driving block 44 is fixedly connected to the outer wall of one end of the first blocking plate 42 away from the first blocking spring 43.

[0029] like Figure 1 , Figure 2 As shown, a second long groove 45 is provided on the inner wall of one end of the second through hole 15 close to the connecting tube 5, the second long groove 45 is connected to the outer wall of the sampling tube 6, second connecting grooves 46 are provided on the side walls on both sides of the second long groove 45, a second blocking plate 47 is slidably connected in the second long groove 45, second connecting blocks are fixedly connected at both ends of the side walls on both sides of the second blocking plate 47, the second connecting block is slidably connected in the second connecting groove 46, a second blocking spring 48 is fixedly connected to the end face of one end of the second blocking plate 47 close to the connecting tube 5, under the action of the restoring force of the second blocking spring 48, the second blocking plate 47 blocks the second through hole 15, and a second driving block 49 is fixedly connected to the outer wall of one end of the second blocking plate 47 away from the second blocking spring 48.

[0030] The working principle of the embodiment of the present invention is as follows: when the operator needs to take a sample, the operator connects the sampling tube 6 to the inner wall of the connecting ring 19 with a thread, and the operator presses the sampling tube 6, and the sampling tube 6 drives the connecting ring 19 to slide in the annular groove 18, and the push rod 33 drives the one-way plate 30 to rotate, and the extension tube 32 drives the connecting tube 9 to slide on the connecting ring 8, and the first through hole 10 moves to the side of the connecting ring 8 away from the sampling tube 6, and under the action of the restoring force of the connecting tube 9, the driving tube 14 slides on the second retaining ring 13, and the second through hole 15 moves to the second retaining ring 13 away from the connecting ring 8. On one side of the connecting pipe 5, the resin in the stirring kettle body 2 enters the connecting pipe 9 through the first through hole 10, and then enters the sampling tube 6 through the driving tube 14 and the second through hole 15. When the sampling is completed, the operator releases the sampling tube 6, the top rod 33 disengages from the one-way plate 30, the one-way plate 30 blocks the fourth retaining ring 25, the first through hole 10 moves to the side of the connecting ring 8 close to the sampling tube 6, the second through hole 15 moves to the side of the second retaining ring 13 close to the connecting pipe 5, the single block blocks the fifth retaining ring 34 under the action of gravity, and the operator unscrews the sampling tube 6.

[0031] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0032] Although this article uses more 1, bracket; 2, stirring kettle body; 3, stirring mechanism; 4, connecting hole; 5, connecting pipe; 6, sampling tube; 7, connecting mechanism; 8, connecting ring; 9, connecting pipe; 10, first through hole; 11, first retaining ring; 12, first spring; 13, second retaining ring; 14, driving pipe; 15, second through hole; 16, third retaining ring; 17, second spring; 18, ring groove; 19, connecting ring; 20, limiting member; 21, limiting ring; 22, limiting spring; 23, first end face tooth; 24, second end face tooth; 25, fourth retaining ring; 26, rotating seat; 27, sliding groove; 28, sliding block; 29, rotating rod; 30, one-way plate; 31, driving assembly; 32, extension tube; 33, push rod; 34, fifth stop ring; 35, fixed seat; 36, sliding groove; 37, slider; 38, rotating rod; 39, one-way block; 40, first long groove; 41, first connecting groove; 42, first blocking plate; 43, first blocking spring; 44, first driving block; 45, second long groove; 46, second connecting groove; 47, second blocking plate; 48, second blocking spring; 49, second driving block and other terms, but does not exclude the possibility of using other terms. These terms are used only to more conveniently describe and explain the essence of the present invention; interpreting them as any additional restrictions is contrary to the spirit of the present invention.

Claims

1. A stirring kettle convenient for sampling, characterized in that: The invention comprises a support (1), a stirring kettle body (2) is fixedly connected to the support (1), a stirring mechanism (3) for stirring materials is provided on the stirring kettle body (2), a connecting hole (4) is provided on the side wall of the stirring kettle body (2), a connecting pipe (5) is fixedly connected to the inner wall of the connecting hole (4), one end of the connecting pipe (5) is flush with the outer wall of the stirring kettle body (2), and the other end of the connecting pipe (5) extends toward the inside of the stirring kettle body (2), a sampling tube (6) is installed on the inner wall of one end of the connecting pipe (5) close to the connecting hole (4), and a connecting mechanism (7) is provided between the sampling tube (6) and the connecting tube (5), which is used to facilitate the resin in the connecting tube (5) to enter the sampling tube (6) and can seal the connecting tube (5) after the sampling tube (6) is removed.

2. A stirred tank for convenient sampling according to claim 1, characterized in that: The connecting mechanism (7) comprises a connecting ring (8) fixedly connected to the inner wall of the connecting tube (5), a connecting tube (9) slidably connected to the inner wall of the connecting ring (8), a first through hole (10) formed on the outer wall of the connecting tube (9), a first retaining ring (11) fixedly connected to the outer wall of one end of the connecting tube (9), a first spring (12) sleeved on the outer wall of the connecting tube (9), a second retaining ring (13) threadedly connected to the inner wall of one end of the sampling tube (6), a driving tube (14) slidably connected to the inner wall of the second retaining ring (13), a second through hole (15) formed on the outer wall of the driving tube (14), a third retaining ring (16) fixedly connected to the outer wall of one end of the driving tube (14), a second spring (17) sleeved on the outer wall of the driving tube (14), an annular groove (18) formed on the outer wall of one end of the connecting tube (5), and a connecting ring (11) slidably connected to the inner wall of the annular groove (18). The invention relates to a method for manufacturing a plurality of connecting tubes (14) comprising: a first connecting tube (14) and a second connecting tube (14) provided with a plurality of connecting tubes (14) connected to the connecting tube (5); a first connecting tube (14) and a second connecting tube (14) provided with a plurality of connecting tubes (14) connected to the connecting tube (5); a first connecting tube (14) and a second connecting tube (14) provided with a plurality of connecting tubes (14) connected to the connecting tube (5); a first connecting tube (14) and a second connecting tube (14) provided with a plurality of connecting tubes (14) connected to the connecting tube (5); a first connecting tube (14) and a second connecting tube (14) provided with a plurality of connecting tubes (14) connected to the connecting tube (5); a first connecting tube (14) and a second connecting tube (14) provided with a plurality of connecting tubes (14) connected to the connecting tube (5); a first connecting tube (14) and a second connecting tube (14) provided with a plurality of connecting tubes (14) connected to the connecting tube (5); a first connecting tube (14) and a second connecting tube (14) provided with a plurality of connecting tubes (14) connected to the connecting tube (9 ...

3. A stirring kettle for convenient sampling according to claim 2, characterized in that: The limiting member (20) comprises a limiting ring (21) slidably connected in the annular groove (18); the limiting ring (21) and the connecting ring (19) are coaxially arranged; a limiting spring (22) is fixedly connected to the inner wall of the annular groove (18) at one end away from the sampling tube (6); the limiting spring (22) is located in the annular groove (18); the other end of the limiting spring (22) is fixedly connected to the limiting ring (21); a first end face tooth (23) is fixedly connected to the side wall of the limiting ring (21) at one side away from the limiting spring (22); a second end face tooth (24) is fixedly connected to the end face of the connecting ring (19) close to the limiting ring (21); under the action of the restoring force of the limiting spring (22), the first end face tooth (23) and the second end face tooth (24) are meshed.

4. A stirred tank for convenient sampling according to claim 3, characterized in that: A fourth retaining ring (25) is fixedly connected to the inner wall of one end of the connecting tube (9) close to the sampling tube (6); a rotating seat (26) is fixedly connected to the side wall of the fourth retaining ring (25) away from the sampling tube (6); a sliding groove (27) is provided on both inner walls of the rotating seat (26); a sliding block (28) is slidably connected between the inner walls of both sides of the rotating seat (26); a rotating rod (29) is fixedly connected to both side walls of the sliding block (28); the rotating rod (29) is slidably connected in the sliding groove (27); a one-way plate (30) is fixedly connected to the outer wall of the sliding block (28); the one-way plate (30) is tightly pressed against the fourth retaining ring (25); and a driving component (31) for driving the one-way plate (30) to rotate is provided on one end of the driving tube (14).

5. A stirring kettle for convenient sampling according to claim 4, characterized in that: The driving assembly (31) comprises an extension tube (32) coaxially fixedly connected to the outer wall of one end of the driving tube (14) close to the connecting tube (9), a push rod (33) fixedly connected to the inner wall of the extension tube (32), and a fifth retaining ring (34) fixedly connected to the inner wall of one end of the driving tube (14); a fixing seat (35) is fixedly connected to the side wall of the fifth retaining ring (34) away from the connecting tube (5); a sliding groove (36) is provided on both sides of the inner wall of the fixing seat (35); a slider (37) is slidably connected between the inner walls of both sides of the fixing seat (35); a rotating rod (38) is fixedly connected to both sides of the side wall of the slider (37); the rotating rod (38) is slidably connected in the sliding groove (36); a one-way block (39) is fixedly connected to the outer wall of the slider (37); the one-way block (39) is tightly pressed against the fifth retaining ring (34).

6. A stirred tank for convenient sampling according to claim 5, characterized in that: A first long groove (40) is provided on the inner wall of one end of the first through hole (10) close to the sampling tube (6), the first long groove (40) is communicated with the outer wall of the connecting tube (9), a first connecting groove (41) is provided on both side walls of the first long groove (40), a first blocking plate (42) is slidably connected in the first long groove (40), first connecting blocks are fixedly connected at both ends of the side walls of both sides of the first blocking plate (42), the first connecting block is slidably connected in the first connecting groove (41), a first blocking spring (43) is fixedly connected to the end surface of the first blocking plate (42) close to the sampling tube (6), under the action of the restoring force of the first blocking spring (43), the first blocking plate (42) blocks the first through hole (10), and a first driving block (44) is fixedly connected to the outer wall of one end of the first blocking plate (42) away from the first blocking spring (43).

7. A stirred tank for convenient sampling according to claim 6, characterized in that: A second long groove (45) is provided on the inner wall of one end of the second through hole (15) close to the connecting tube (5), the second long groove (45) is communicated with the outer wall of the sampling tube (6), second connecting grooves (46) are provided on the side walls on both sides of the second long groove (45), a second blocking plate (47) is slidably connected in the second long groove (45), second connecting blocks are fixedly connected at both ends of the side walls on both sides of the second blocking plate (47), the second connecting block is slidably connected in the second connecting groove (46), a second blocking spring (48) is fixedly connected to the end surface of one end of the second blocking plate (47) close to the connecting tube (5), under the action of the restoring force of the second blocking spring (48), the second blocking plate (47) blocks the second through hole (15), and a second driving block (49) is fixedly connected to the outer wall of one end of the second blocking plate (47) away from the second blocking spring (48).

8. A stirred tank for convenient sampling according to claim 1, characterized in that: A plurality of connection holes (4) are provided on the outer wall of the stirring kettle body (2) along the height direction of the stirring kettle body (2).

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