Paste mixer

The design of the paste mixing machine with double-cylinder reverse rotation stirring and circulating cooling water solves the problems of unreacted materials and rapid heat release on the inner wall of the paste mixing machine, realizing uniform stirring and cooling of lead paste, and improving production efficiency and lead paste quality.

CN223901635UActive Publication Date: 2026-02-13HENAN CHAOWEI POWER SUPPLY CO LTD
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Patent Information

Application Number
CN202520456806.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2026-02-13
Estimated Expiration
2035-03-17

AI Technical Summary

Technical Problem

The inner wall of the existing paste mixing machine contains some raw materials or semi-finished products that have not fully participated in the reaction, forming dead paste, which affects the quality of lead paste. In addition, the rapid heat release during the paste mixing process requires extending the acid addition time, reducing production efficiency.

Method used

A dual-cylinder mixing system is adopted, which achieves uniform mixing through the mixing tubes of the first and second cylinders rotating in opposite directions. During the mixing process, circulating cooling water is introduced to cool down the material. Combined with scraping the material by the scraper, it ensures that the material on the inner wall is fully mixed and cooled down.

Benefits of technology

This process ensures thorough mixing and uniform cooling of the lead paste, preventing material residue, improving production efficiency, and guaranteeing lead paste quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of storage battery production, and particularly relates to a paste mixing machine which comprises a stirring container, a stirring mechanism is arranged in the stirring container and comprises a first barrel, a second barrel, a first stirring pipe and a second stirring pipe, and the second barrel penetrates through the first barrel and is rotationally connected with the inner bottom of the stirring container; a plurality of first stirring pipes are arranged on the outer side of the first barrel, a plurality of second stirring pipes are arranged on the outer side of the second barrel, the first stirring pipes and the second stirring pipes are U-shaped pipes, a plurality of first sealing plates are arranged in the first barrel, and an inlet and an outlet of each first stirring pipe are located in the upper side and the lower side of the corresponding first sealing plate. A plurality of second sealing plates which are arranged up and down are arranged in the second cylinder body; and inlets and outlets of the second stirring pipes are respectively positioned on the upper and lower sides of the corresponding second sealing plates. The stirring directions of the upper part and the lower part in the stirring container are different, so that sufficient stirring and mixing are realized, and materials are cooled by introducing circulating water into the stirring shaft.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the production technology field of battery, specifically relates to a plastering machine. BACKGROUND

[0002] Plastering is an important link in the manufacturing process of battery plate and is also a key process in the production and control of batteries. The plastering machine is a device for mixing lead powder and plaster together. Its principle is to mix lead powder and plaster together through mechanical force and physical and chemical action to form a uniform mixture.

[0003] A small amount of raw materials or semi-finished products in the existing plastering machine do not fully participate in the reaction, and this part of the material finally forms dead plaster. When the plaster is discharged, it enters the next process together with qualified lead plaster, which affects the quality of the lead plaster. In addition, sulfuric acid is added during the plastering process, which will quickly release heat. The existing plastering machine uses cylinder wall cooling or cold air cooling to cool the surface of the lead plaster, and the internal lead plaster cannot be quickly cooled. Therefore, it is necessary to prolong the acid adding time and delay the temperature rise, which affects the production efficiency. SUMMARY

[0004] The utility model discloses to solve the problem that the existing plastering machine inner wall will exist part of raw materials or semi-finished products do not fully participate in the reaction, and this part of the material finally forms dead plaster. When the plaster is discharged, it enters the next process together with qualified lead plaster, which affects the quality of the lead plaster. In addition, sulfuric acid is added during the plastering process, which will quickly release heat. The existing plastering machine uses cylinder wall cooling or cold air cooling to cool the surface of the lead plaster, and the internal lead plaster cannot be quickly cooled. Therefore, it is necessary to prolong the acid adding time and delay the temperature rise, which affects the production efficiency. The utility model provides a plastering machine, which circulates cooling water into the stirring pipe to ensure that the plastering is effectively and comprehensively cooled while stirring. The two stirring systems in the machine body realize uniform stirring by different stirring directions. The first scraper and the second scraper realize the scraping of the material on the inner wall of the plastering machine.

[0005] In order to achieve the above purpose, the technical scheme of the utility model is as follows:

[0006] A plastering machine comprises a stirring container, a stirring mechanism is arranged in the stirring container, the stirring mechanism comprises a first cylinder, a second cylinder, a first stirring pipe and a second stirring pipe, the first cylinder is closed at both ends and the upper end extends out of the stirring container to connect a first driving mechanism for driving the first cylinder to rotate, a central shaft is rotatably arranged in the first cylinder, the second cylinder is arranged between the bottom surface of the stirring container and the central shaft, the upper end of the second cylinder is in internal communication with the lower end of the first cylinder, a drain pipe is fixedly connected to the upper end of the central shaft, the drain pipe is in internal communication with the upper end of the first cylinder, the upper end of the drain pipe extends out of the first cylinder to connect a second driving mechanism for driving the second cylinder to rotate, and the first cylinder and the second cylinder are driven to rotate in opposite directions by the two driving mechanisms.

[0007] The first barrel body is provided with a plurality of first stirring pipes outside, the second barrel body is provided with a plurality of second stirring pipes outside, the first stirring pipe and the second stirring pipe are both U-shaped pipes, the two ends of the first stirring pipe are both communicated with the first barrel body, the two ends of the second stirring pipe are both communicated with the second barrel body, a plurality of first sealing plates arranged in up-down direction are arranged in the first barrel body, the inlet and outlet of each first stirring pipe are located on the upper and lower sides of the corresponding first sealing plate, the central shaft penetrates through the plurality of first sealing plates, a plurality of second sealing plates arranged in up-down direction are arranged in the second barrel body, the inlet and outlet of the second stirring pipe are located on the upper and lower sides of the corresponding second sealing plate, the first barrel body and the second barrel body drive the first stirring pipe and the second stirring pipe to rotate to realize stirring work, and the circulating cooling water cools and cools the lead paste.

[0008] Preferably, a plurality of stirring blades are circumferentially arranged outside the lower end of the second barrel body, the stirring blade is an arc-shaped plate, a discharge port is arranged outside the lower end of the stirring container, and the discharge port is located outside the plurality of stirring blades. The arc-shaped plate is rotated with the second barrel body to discharge the material at the lower end of the stirring container from the discharge port.

[0009] Preferably, a plurality of first scraping plates are fixedly arranged outside the plurality of first stirring pipes arranged in up-down direction, a plurality of second scraping plates are fixedly arranged outside the plurality of second stirring pipes arranged in up-down direction, the first scraping plate and the second scraping plate are both tangent to the inner wall of the stirring container, and there is a gap between the first scraping plate and the second scraping plate arranged in up-down direction. The first scraping plate and the second scraping plate scrape the material on the inner wall of the stirring container to ensure that the material is fully mixed and reacted.

[0010] Preferably, a barrel cover is arranged at the upper end of the stirring container, and a feeding port is arranged on the barrel cover. Lead powder or medicinal paste and other raw materials are added into the stirring container through the feeding port.

[0011] Preferably, the first driving mechanism comprises a first motor, a first gear and a first gear ring, the first gear ring is arranged outside the upper end of the first barrel body, the first motor is fixedly arranged above the stirring container, the output end of the first motor is fixedly connected with the first gear, the first gear is engaged with the first gear ring, the first motor drives the first gear and the first gear ring to rotate, and the first barrel body is driven to rotate.

[0012] Preferably, the second driving mechanism comprises a second motor, a second gear and a second gear ring, the second gear ring is arranged outside the upper end of the drain pipe, the second motor is fixedly arranged above the stirring container, the output end of the second motor is fixedly provided with the second gear, the second gear is engaged with the second gear ring, the second motor drives the second gear and the second gear ring to rotate, and the second barrel body is driven to rotate.

[0013] Preferably, the lower end of the second cylinder extends out of the stirring container and is connected to a water inlet pipe, and the second cylinder and the water inlet pipe are connected through a rotary joint; the upper end of the drain pipe extends out of the first cylinder and is connected to a water outlet pipe, and the drain pipe and the water outlet pipe are connected through a rotary joint, the cooling water sub-inlet pipe enters the stirring mechanism, and the sub-drain pipe is discharged through the water outlet pipe, so that the cooling water is circulated and cooled.

[0014] Preferably, a plurality of communication holes are arranged in the circumferential direction of the upper end of the second cylinder and the lower end of the drain pipe, so that the upper end of the second cylinder, the lower end of the drain pipe and the first cylinder are communicated.

[0015] Through the above technical scheme, the beneficial effects of the present application are as follows:

[0016] 1. The first driving mechanism and the second driving mechanism of the present application drive the first cylinder and the second cylinder to rotate in opposite directions, drive the plurality of first stirring pipes and the plurality of second stirring pipes to rotate in opposite directions, realize the stirring and mixing of the materials in the stirring container, that is, the stirring directions of the upper part and the lower part in the stirring container are opposite, effectively improve the stirring effect, and ensure the full mixing and reaction of the components during the mixing and kneading process.

[0017] 2. The present application introduces cooling water into the lower end of the second cylinder, and the cooling water passes through the second cylinder and the plurality of second stirring pipes from bottom to top, the first cylinder and the plurality of first stirring pipes, and then is discharged from the upper end of the first cylinder out of the stirring container body, so that the cooling water in the plurality of first stirring pipes, the second stirring pipes and the first cylinder and the second cylinder fully cools and cools the mixing and kneading process, ensures the uniformity of cooling, and ensures the overall cooling effect.

[0018] 3. The present application is provided with a plurality of first scrapers and second scrapers, so that the inner wall of the stirring container is scraped during the mixing and kneading process, so that the raw materials adhered to the inner wall of the stirring container do not participate in the reaction, the mixing and kneading effect is ensured, and the material residues are avoided after the mixing and kneading is completed.

[0019] 4. The present application is provided with a plurality of stirring blades arranged outside the lower end of the second cylinder, which guide and convey the materials to the outside, and at the same time, the materials at the lower end are stirred and mixed, the materials moving outward are moved upward by extrusion with the inner wall of the stirring container, and then reach the stirring range of the second stirring pipe, so that the materials in the stirring container are circularly stirred, and the stirring effect is further improved.

[0020] 5. After the mixing and kneading is completed, the present application only needs to open the discharge port, and under the conveying action of the stirring blades, the materials are fully discharged from the discharge port out of the stirring container, so that the material residues in the stirring container are avoided. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The structure of the present application is shown in the figure Figure 1 .

[0022] Figure 2 Structure diagram of the present application Figure 2 .

[0023] Figure 3 Structure diagram of the stirring mechanism of the present application

[0024] Figure 4 Schematic diagram of the cooling water flow of the present application

[0025] The reference signs in the drawings are: 1 is a stirring container, 2 is a first cylinder, 3 is a second cylinder, 4 is a first stirring pipe, 5 is a second stirring pipe, 6 is a central shaft, 7 is a drain pipe, 8 is a first sealing plate, 9 is a second sealing plate, 10 is a stirring blade, 11 is a discharge port, 12 is a first scraper, 13 is a second scraper, 14 is a cylinder cover, 15 is a feeding port, 16 is a first motor, 17 is a first gear, 18 is a first gear ring, 19 is a second motor, 20 is a second gear, 21 is a second gear ring, 22 is a water inlet pipe, 23 is a water outlet pipe, 24 is a communication hole, and 25 is a rotary joint. DETAILED DESCRIPTION

[0026] The present application will be further described below in combination with the drawings and specific embodiments:

[0027] As shown in Figures 1-4 The present embodiment provides a paste mixing machine, which comprises a stirring container 1, the upper end of the stirring container 1 is provided with a cylinder cover 14, the cylinder cover 14 is provided with a feeding port 15, and materials are added into the stirring container 1 through the feeding port 15, the materials refer to lead powder, acid, various additives and other various paste raw materials.

[0028] The stirring container 1 is provided with a stirring mechanism, the stirring mechanism comprises a first cylinder 2, a second cylinder 3, a first stirring pipe 4 and a second stirring pipe 5, the outer side of the first cylinder 2 is provided with a plurality of first stirring pipes 4, the outer side of the second cylinder 3 is provided with a plurality of second stirring pipes 5, and the first stirring pipe 4 and the second stirring pipe 5 are both U-shaped pipes.

[0029] The first cylinder 2 is closed at both ends and the upper end extends out of the stirring container 1 to connect a first driving mechanism for driving the first cylinder 2 to rotate, which comprises a first motor 16, a first gear 17 and a first gear ring 18. The first gear ring 18 is arranged outside the upper end of the first cylinder 2. The first motor 16 is fixedly arranged above the stirring container 1. The first motor 16 is fixedly arranged on the cylinder cover 14. The output end of the first motor 16 is fixedly connected with the first gear 17. The first gear 17 is engaged with the first gear ring 18. The first motor 16 drives the first gear 17 to rotate, which drives the first gear ring 18 engaged therewith to rotate, thereby driving the first cylinder 2 to rotate and driving the plurality of first stirring pipes 4 to rotate to stir and mix the material in the upper part of the stirring container 1.

[0030] The center shaft 6 is rotatably arranged in the first cylinder 2. There is a gap between the center shaft 6 and the inner wall of the first cylinder 2. The second cylinder 3 is arranged between the bottom surface of the stirring container 1 and the center shaft 6. The lower end of the second cylinder 3 is rotatably connected with the stirring container 1. The upper end of the center shaft 6 is fixedly connected with a drain pipe 7. The upper end of the drain pipe 7 extends out of the first cylinder 2 to connect a second driving mechanism for driving the second cylinder 3 to rotate. The second driving mechanism comprises a second motor 19, a second gear 20 and a second gear ring 21. The second gear ring 21 is arranged outside the upper end of the drain pipe 7. The second motor 19 is fixedly arranged above the stirring container 1. The output end of the second motor 19 is fixedly provided with the second gear 20. The second gear 20 is engaged with the second gear ring 21. The second motor 19 drives the second gear 20 to rotate, which drives the second gear ring 21 engaged therewith to rotate, thereby driving the drain pipe 7, the center shaft 6 and the second cylinder 3 to rotate synchronously, driving the plurality of second stirring pipes 5 connected with the second cylinder 3 to rotate, and realizing stirring and mixing of the material in the lower part of the stirring container 1.

[0031] The first cylinder 2 and the second cylinder 3 are driven by the first motor 16 and the second motor 19 respectively to rotate in opposite directions, and the plurality of first stirring pipes 4 and the plurality of second stirring pipes 5 rotate in opposite directions, i.e. the stirring directions of the stirring mechanisms in the upper part and the lower part of the stirring container 1 are opposite, thereby further ensuring the stirring and mixing effect in the stirring container 1.

[0032] The first stirring pipe 4 is communicated with the first cylinder 2 at both ends, the second stirring pipe 5 is communicated with the second cylinder 3 at both ends, a plurality of first sealing plates 8 arranged in up-down direction are arranged in the first cylinder 2, the central shaft 6 penetrates the first sealing plates 8, the inlet and outlet of each first stirring pipe 4 are located on the upper and lower sides of the corresponding first sealing plate 8, when the cooling water is introduced into the lower end of the first cylinder 2, the cooling water is blocked when reaching the lowermost first sealing plate 8, and then flows into the corresponding first stirring pipe 4 on both sides, and then flows into the first cylinder 2 above the first sealing plate 8 from the upper outlet, and the above process is repeated until the cooling water reaches the upper end of the first cylinder 2, the drain pipe 7 is communicated with the inner part of the upper end of the first cylinder 2, the upper end of the drain pipe 7 extends out of the first cylinder 2 and is connected with the water outlet pipe 23, the drain pipe 7 and the water outlet pipe 23 are connected through the rotary joint 25, the cooling water in the upper end of the first cylinder 2 enters the drain pipe 7 and is transported upwards to the water outlet pipe 23, and the rotary joint 23 is used to realize the rotary connection between the drain pipe 7 and the water outlet pipe 23.

[0033] A plurality of second sealing plates 9 arranged in up-down direction are arranged in the second cylinder 3, the inlet and outlet of the second stirring pipe 5 are located on the upper and lower sides of the corresponding second sealing plate 9, the lower end of the second cylinder 3 extends out of the stirring container 1 and is connected with the water inlet pipe 22, the second cylinder 3 and the water inlet pipe 22 are connected through the rotary joint 25, the rotary joint 25 is used to realize the rotary connection between the second cylinder 3 and the water inlet pipe 22, the cooling water is transported from the water inlet pipe 22 to the inner part of the lower end of the second cylinder 3, when the cooling water is introduced into the lower end of the second cylinder 2, the cooling water is blocked when reaching the lowermost second sealing plate 9, and then flows into the corresponding second stirring pipe 5 on both sides, and then flows into the second cylinder 3 above the second sealing plate 9 from the upper outlet, and the above process is repeated until the cooling water reaches the upper end of the second cylinder 3, the upper end of the second cylinder 3 is sleeved in the inner part of the lower end of the first cylinder 2 and there is a gap between the inner wall of the first cylinder 2, the upper end of the second cylinder 3 is communicated with the inner part of the lower end of the first cylinder 2, and then the cooling water enters the inner part of the lower end of the first cylinder 2 from the upper end of the second cylinder 3 and is continuously transported upwards.

[0034] A plurality of communication holes 24 are arranged on the upper end of the second cylinder 3 and the lower end of the drain pipe 7 in the circumferential direction, the upper end of the second cylinder 4 and the lower end of the first cylinder 2 are communicated through the corresponding communication hole 24, and the lower end of the drain pipe 7 and the upper end of the first cylinder 2 are communicated through the corresponding communication hole 24.

[0035] It should be noted that the water inlet pipe 22 and the water outlet pipe 23 can be respectively connected with the outlet and the inlet of the external water cooling device (such as a cooling tower or a water storage tank), and the water pump is arranged on the water inlet pipe 22.

[0036] The second cylinder 3 is provided with a plurality of stirring blades 10 on the outer side of the lower end, the stirring blades 10 are arc-shaped plates, the stirring container 1 is provided with a discharge port 11 on the outer side of the lower end, the discharge port 11 is located on the outer side of the plurality of stirring blades 10, when the second cylinder 3 rotates, the plurality of stirring blades 10 are driven to rotate, the material at the lower end position in the stirring container 1 is stirred, at the same time, the material is transported to the outer side, and is moved upward by being pressed by the inner wall of the stirring container 1, and then is stirred and mixed by the rotating second stirring pipe 5, and then falls to the lower end position in the stirring container 1 again under the action of gravity, so that the circulation stirring is realized, and when the mixing and pasting are completed, the material is discharged from the stirring container through the discharge port 11 in the process of being transported to the outer side by the rotating stirring blades 10, so that the residual material in the stirring container 1 is effectively avoided.

[0037] The first scraping plates 12 and the second scraping plates 13 are tangent to the inner wall of the stirring container 1 on the outer side, the first cylinder 2 drives the plurality of first stirring pipes 4 to rotate, and drives the plurality of first scraping plates 12 to rotate along the circumference of the stirring container 1, so that the upper inner wall of the stirring container 1 is scraped, the material is prevented from adhering to the inner wall of the stirring container 1 and not participating in the reaction, and the residual material after the mixing and pasting is completed, when the second cylinder 3 drives the plurality of second stirring pipes 5 to rotate, the plurality of second scraping plates 13 are driven to rotate along the circumference of the stirring container 1, so that the lower inner wall of the stirring container 1 is scraped, the material is prevented from adhering to the inner wall of the stirring container 1 and not participating in the reaction, and the residual material after the mixing and pasting is completed, and there is a gap between the first scraping plates 12 and the second scraping plates 13, so that the first scraping plates 12 and the second scraping plates 13 are prevented from interfering with each other when rotating.

[0038] In use, first, various mixing and pasting raw materials are added into the stirring container 1 through the feeding port 15, then the first motor 16 and the second motor 19 are started, and the first cylinder 2 and the second cylinder 3 are driven to rotate in opposite directions, the first cylinder 2 and the second cylinder 3 drive the first stirring pipe 4 and the second stirring pipe 5 to rotate respectively, so that the material is stirred and mixed to fully react.

[0039] At the same time, cooling water is introduced into the lower end of the second cylinder 3 through the water inlet pipe 22, the flow direction of the cooling water in the stirring mechanism is as shown in Figure 4 The cooling water is discharged through the water outlet pipe 23 after passing through the second cylinder 3, the second stirring pipe 5, the first cylinder 2, the first stirring pipe 4 and the drain pipe 7, so that the mixing and pasting in the stirring container 1 are fully cooled and cooled.

[0040] The above-described embodiments are only preferred embodiments of the present application, and are not intended to limit the implementation range of the present application, so that equivalent changes or modifications made according to the structure, features and principles described in the patent range of the present application should be included in the patent range of the present application.

Claims

1. A paste machine characterized by, The utility model provides a stirring container (1) is provided with stirring mechanism in, stirring mechanism includes first cylinder (2), second cylinder (3), first stirring pipe (4) and second stirring pipe (5), first cylinder (2) both ends are closed and upper end is out of stirring container (1) and is connected first drive mechanism, is used for driving first cylinder (2) rotation, first cylinder (2) is rotationally arranged with center shaft (6) in, the bottom surface between stirring container (1) and center shaft (6) is provided with second cylinder (3), second cylinder (3) upper end and first cylinder (2) lower end interior communication, center shaft (6) upper end fixedly connected drain pipe (7), drain pipe (7) and first cylinder (2) upper end interior communication, drain pipe (7) upper end is out of first cylinder (2) and is connected second drive mechanism, is used for driving second cylinder (3) rotation; First cylinder (2) outside is provided with a plurality of first stirring pipe (4), second cylinder (3) outside is provided with a plurality of second stirring pipe (5), first stirring pipe (4) and second stirring pipe (5) are all U-shaped pipes, first stirring pipe (4) both ends are communicated with first cylinder (2), second stirring pipe (5) both ends are communicated with second cylinder (3), first cylinder (2) is provided with a plurality of first sealing plate (8) arranged in upper and lower, the import and export of each first stirring pipe (4) are located on the upper and lower sides of corresponding first sealing plate (8), center shaft (6) is provided through a plurality of first sealing plate (8), second cylinder (3) is provided with a plurality of second sealing plate (9) arranged in upper and lower, the import and export of second stirring pipe (5) are located on the upper and lower sides of corresponding second sealing plate (9).

2. A creamer according to claim 1, characterised in that Second cylinder (3) lower end outside circumferential direction is provided with a plurality of stirring blades (10), the stirring blade (10) is arc plate, the discharge port (11) is set up in the lower end outside of stirring container (1), the discharge port (11) is located in the outside of a plurality of stirring blades (10).

3. A creamer according to claim 1, wherein The first scraping plate (12) and the second scraping plate (13) are fixedly arranged outside the corresponding first stirring pipe (4) and the corresponding second stirring pipe (5) in upper and lower, the outer sides of the first scraping plate (12) and the second scraping plate (13) are tangent to the inner wall of the stirring container (1), and there is a gap between the corresponding first scraping plate (12) and the corresponding second scraping plate (13) in upper and lower.

4. A creamer according to claim 1, wherein The stirring container (1) is provided with a cylinder cover (14) at the upper end, and the cylinder cover (14) is provided with a feeding port (15).

5. A creamer according to claim 1, wherein The first drive mechanism includes a first motor (16), a first gear (17) and a first gear ring (18), the first cylinder (2) is provided with a first gear ring (18) outside the upper end, the first motor (16) is fixedly arranged above the stirring container (1), the output end of the first motor (16) is fixedly connected with the first gear (17), and the first gear (17) is engaged with the first gear ring (18).

6. A creamer according to claim 1, wherein The second driving mechanism comprises a second motor (19), a second gear (20) and a second gear ring (21), the upper end of the drain pipe (7) is provided with the second gear ring (21) outside, the upper portion of the stirring container (1) is fixedly provided with the second motor (19), the output end of the second motor (19) is fixedly provided with the second gear (20), and the second gear (20) is engaged with the second gear ring (21).

7. A creamer according to claim 1, wherein The lower end of the second cylinder (3) is connected with the water inlet pipe (22) after extending out of the stirring container (1), and the second cylinder (3) and the water inlet pipe (22) are connected through the rotary joint (25). The upper end of the drain pipe (7) is connected with the water outlet pipe (23) after extending out of the first cylinder (2), and the drain pipe (7) and the water outlet pipe (23) are connected through the rotary joint (25).

8. A creamer according to claim 1, wherein The upper end of the second cylinder (3) and the lower end of the drain pipe (7) are both circumferentially provided with a plurality of communication holes (24).