Protective device for preparing sodium stannate

By designing the upper and lower sealing doors and push block structure of the protective device, the problem of oxidation of tin powder during storage and retrieval was solved, achieving a better protective effect.

CN223879053UActive Publication Date: 2026-02-06GANZHOU HUAXIN METAL MATERIAL CO LTD
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Patent Information

Application Number
CN202520275311.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-20
Publication Date
2026-02-06
Estimated Expiration
2035-02-20

AI Technical Summary

Technical Problem

Solder powder is easily oxidized by air during storage and retrieval. Existing storage devices are difficult to effectively prevent oxidation, and air can easily enter the device when adding or removing solder powder.

Method used

A protective device was designed, comprising an upper sealing door and a lower sealing door. Through the cooperation of a knob, a connecting shaft, and gears, the upper sealing door is opened while the lower sealing door is closed when solder powder is added, preventing air from entering. When retrieving materials, the push block is pushed by the cooperation of a handle and a pull rod to move the spring and prevent air from entering the feeding hopper.

Benefits of technology

It effectively prevents tin powder from being oxidized during storage and use, improving the protective effect of tin powder and making it more reliable than traditional methods.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a protective device for preparing sodium stannate, which comprises a protective device main body, the lower end of the protective device main body is fixedly connected with a blanking bin, the lower end of the blanking bin is connected with a material taking mechanism in a penetrating manner, and the material taking mechanism is fixedly connected with the protective device main body. The upper end of the protection device body is slidably connected with an upper sealing door. According to the protective device for sodium stannate preparation, through cooperation of a rotary knob, a connecting shaft and a gear, it can be guaranteed that one set of the upper sealing door and the lower sealing door is closed all the time, and therefore air is prevented from entering the protective device body to oxidize tin powder, and through cooperation of a handle and a pull rod, the protective device is convenient to use. And a push block can conveniently extrude a spring to move, tin powder can fall into the sealing box body under the influence of gravity, and when the tin powder is pushed out of the sealing box body, the push block can block the discharging bin, so that air is prevented from entering the protection device main body through the discharging bin.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of sodium stannate preparation, especially a protective device for sodium stannate preparation. BACKGROUND

[0002] Sodium stannate is a white crystalline powder with high melting point and solubility, which dissolves in water and shows alkalinity, but is insoluble in ethanol. Sodium stannate is stable in air and is not easily oxidized, but may decompose at high temperature. In the preparation method of sodium stannate, sodium hydroxide solution is usually used to dissolve tin powder, then aluminum powder is used to filter out the solution, and finally the solution is filtered out and put into an electrolytic cell for electrolysis to obtain sodium stannate. However, tin powder is easily oxidized by oxygen in the air, so it is necessary to store the tin powder in a sealed storage device to prevent oxidation. However, when adding tin powder to the storage device, air will inevitably enter the inside of the storage device along with the tin powder, causing oxidation of the tin powder. In addition, when taking out the tin powder, air cannot be prevented from entering the inside of the storage device again. In order to solve the above problems, the utility model provides a protective device for sodium stannate preparation. SUMMARY

[0003] The main purpose of the utility model is to provide a protective device for sodium stannate preparation, which can effectively solve the problems in the background art.

[0004] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of:

[0005] A protective device for sodium stannate preparation, comprising a protective device main body, a lower end of the protective device main body is fixedly connected with a discharge bin, a lower end of the discharge bin is connected with a material taking mechanism, the material taking mechanism is fixedly connected with the protective device main body, an upper end of the protective device main body is slidably connected with an upper sealing door, a lower side of the upper sealing door is provided with a lower sealing door, an upper end of the lower sealing door is slidably connected with a scraper, and the scraper is fixedly connected with the protective device main body.

[0006] Preferably, the material taking mechanism comprises a sealing box body, an inner wall of the sealing box body is slidably connected with a push block, an inner wall of the push block is fixedly connected with a pull rod, an outer side of the pull rod is sleeved with a spring, a front end of the spring is fixedly connected with the push block, a rear end of the spring is fixedly connected with the sealing box body, and the pull rod penetrates through the sealing box body and is fixedly connected with a handle.

[0007] Preferably, a lower end of the sealing box body is fixedly connected with a supporting plate, the supporting plate is fixedly connected with the protective device main body, a lower end of the sealing box body is fixedly connected with a discharge pipe, and an outer side of the discharge pipe is threadedly connected with a sealing cover.

[0008] Preferably, one side of the protection device body is rotationally connected with a knob, one side of the knob is fixedly connected with a connecting shaft, the connecting shaft is rotationally connected with the protection device body, one side of the connecting shaft is fixedly connected with a gear, the outer edge of the gear is engaged with an upper rack, and the upper rack is fixedly connected with the upper sealing door.

[0009] Preferably, the lower end of the upper sealing door is fixedly connected with two groups of sliding shafts, and the upper end of the protection device body is provided with two groups of sliding grooves, and the two groups of sliding shafts are respectively slidably arranged in the inner sides of the sliding grooves.

[0010] Preferably, the upper end of the lower sealing door is fixedly connected with a lower rack, the lower rack is engaged with the gear, and the inner wall of the protection device body is provided with two groups of limiting grooves, and the two sides of the lower sealing door are respectively slidably connected with the protection device body through the two groups of limiting grooves.

[0011] Compared with the prior art, the protection device for sodium stannate preparation has the following beneficial effects: when tin powder is put into the inside of the protection device body, the cooperation of the knob, the connecting shaft and the gear can ensure that the upper sealing door and the lower sealing door are always closed, so that air is prevented from entering the inside of the protection device body to oxidize the tin powder, and the cooperation of the handle and the pull rod can facilitate the movement of the push block and the compression spring, the tin powder is affected by gravity and falls into the inside of the sealing box, when the tin powder is pushed out of the inside of the sealing box, the push block blocks the discharge bin, so that air is prevented from entering the inside of the protection device body through the discharge bin to oxidize the tin powder, and the use effect is better than that of the traditional mode. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole structure schematic view of the protection device for sodium stannate preparation.

[0013] Figure 2 It is a whole structure sectional view of the protection device for sodium stannate preparation.

[0014] Figure 3 It is a partial structure schematic view of the protection device for sodium stannate preparation Figure 1 .

[0015] Figure 4 It is a partial structure schematic view of the protection device for sodium stannate preparation Figure 2 .

[0016] Figure 5 It is an enlarged structure schematic view of part A of the protection device for sodium stannate preparation.

[0017] Figure 6The utility model relates to a B part amplification structure schematic diagram for protective device for sodium stannate preparation.

[0018] Figure 7 The utility model relates to a C part amplification structure schematic diagram for protective device for sodium stannate preparation.

[0019] In the drawing: 1, protective device main part; 2, discharging bin; 3, material taking mechanism; 31, sealing box; 32, handle; 33, pull rod; 34, spring; 35, push block; 4, sealing cover; 5, upper sealing door; 6, lower sealing door; 7, knob; 8, connecting shaft; 9, gear; 10, lower rack; 11, upper rack; 12, sliding shaft; 13, sliding groove; 14, limiting groove; 15, support plate; 16, scraper. Specific implementation

[0020] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific implementation modes.

[0021] As Figures 1-7 Shown, a kind of protective device for sodium stannate preparation, including protective device main part 1, the lower end of protective device main part 1 is fixedly connected with discharging bin 2, the lower end of discharging bin 2 is connected with material taking mechanism 3, material taking mechanism 3 is fixedly connected with protective device main part 1, the upper end of protective device main part 1 is slidably connected with upper sealing door 5, and the lower sealing door 6 of upper sealing door 5 is arranged, and the upper end of lower sealing door 6 is slidably connected with scraper 16, and scraper 16 is fixedly connected with protective device main part 1.

[0022] In the embodiment, material taking mechanism 3 includes sealing box 31, the inner wall of sealing box 31 is slidably connected with push block 35, the inner wall of push block 35 is fixedly connected with pull rod 33, the outer side of pull rod 33 is sleeved with spring 34, the front end of spring 34 is fixedly connected with push block 35, the rear end of spring 34 is fixedly connected with sealing box 31, and pull rod 33 penetrates sealing box 31 and is fixedly connected with handle 32.

[0023] Specifically, by the cooperation of handle 32 and pull rod 33, push block 35 can slide in the inside of sealing box 31.

[0024] In the embodiment, the lower end of sealing box 31 is fixedly connected with support plate 15, support plate 15 is fixedly connected with protective device main part 1, the lower end of sealing box 31 is fixedly connected with discharging pipe, and the outer side of discharging pipe is threadedly connected with sealing cover 4.

[0025] Specifically, by the support of support plate 15 to sealing box 31, the stability of material taking mechanism 3 can be conveniently improved, and by sealing cover 4, the tin powder in protective device main part 1 can be conveniently taken out.

[0026] In the embodiment, one side of the protection device body 1 is rotationally connected with a knob 7, one side of the knob 7 is fixedly connected with a connecting shaft 8, the connecting shaft 8 is rotationally connected with the protection device body 1, one side of the connecting shaft 8 is fixedly connected with a gear 9, and the outer edge of the gear 9 is engaged with an upper rack 11, and the upper rack 11 is fixedly connected with the upper sealing door 5.

[0027] Specifically, the cooperation of the knob 7, the connecting shaft 8 and the gear 9 can conveniently drive the upper sealing door 5 to open or close through the upper rack 11.

[0028] In the embodiment, the lower end of the upper sealing door 5 is fixedly connected with two groups of sliding shafts 12, the upper end of the protection device body 1 is provided with two groups of sliding grooves 13, and the two groups of sliding shafts 12 are respectively slidably arranged in the inner sides of the sliding grooves 13.

[0029] Specifically, the cooperation of the sliding shaft 12 and the sliding groove 13 can improve the stability of the sliding between the upper sealing door 5 and the protection device body 1.

[0030] In the embodiment, the upper end of the lower sealing door 6 is fixedly connected with a lower rack 10, the lower rack 10 is engaged with the gear 9, the inner wall of the protection device body 1 is provided with two groups of limiting grooves 14, and the two sides of the lower sealing door 6 are respectively slidably connected with the protection device body 1 through the two groups of limiting grooves 14.

[0031] Specifically, the limiting groove 14 can conveniently drive the lower sealing door 6 to slide in the inner side of the protection device body 1 through the lower rack 10.

[0032] It needs explanation, the utility model discloses a kind of for sodium stannate preparation with protective device, user first needs to be put into the inside of protective device main body 1 with tin powder, prevent air oxidation to tin powder, clockwise rotate knob 7 at this time, knob 7 rotation will drive connecting shaft 8 to rotate, connecting shaft 8 rotation will drive gear 9 to rotate clockwise, gear 9 rotates clockwise will drive upper rack 11 to move, upper rack 11 moves and drives upper sealing door 5 to slide into the inside of protective device main body 1 and open, gear 9 rotates clockwise will also drive lower rack 10 to move, lower rack 10 moves and drives lower sealing door 6 to close, to ensure that when tin powder is put in, upper sealing door 5 opens when lower sealing door 6 closes to prevent air from entering to oxidize tin powder, when tin powder addition is completed, rotate knob 7 counterclockwise, to realize that lower sealing door 6 opens while upper sealing door 5 closes, at this time, tin powder is blocked by scraper 16, to realize that tin powder falls into the inside of protective device main body 1, when needing to take out tin powder, by rotating sealing cover 4, sealing cover 4 can be conveniently taken down, at this time, by pulling handle 32 outward, handle 32 moves and drives pull rod 33 to move, to realize that push block 35 extrudes spring 34 to move, in turn, push block 35 removes the obstruction of tin powder, tin powder is affected by gravity and falls into the inside of sealing box 31, at this time, handle 32 is pushed in reverse and by the elastic force of spring 34, tin powder in the inside of sealing box 31 can be conveniently pushed out through discharge port, more practical.

[0033] The basic principles and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A protective device for the preparation of sodium stannate comprising a protective device body (1), characterized by: The lower end of the protection device body (1) is fixedly connected with a lower hopper (2), the lower end of the lower hopper (2) is connected with a material taking mechanism (3), the material taking mechanism (3) is fixedly connected with the protection device body (1), the upper end of the protection device body (1) is slidably connected with an upper sealing door (5), the lower end of the upper sealing door (5) is slidably connected with a lower sealing door (6), the upper end of the lower sealing door (6) is slidably connected with a scraper (16), and the scraper (16) is fixedly connected with the protection device body (1).

2. A safety device for the preparation of sodium stannate according to claim 1, characterized by the fact that: The material taking mechanism (3) comprises a sealing box body (31), the inner wall of the sealing box body (31) is slidably connected with a push block (35), the inner wall of the push block (35) is fixedly connected with a pull rod (33), the outer side of the pull rod (33) is sleeved with a spring (34), the front end of the spring (34) is fixedly connected with the push block (35), the rear end of the spring (34) is fixedly connected with the sealing box body (31), and the pull rod (33) penetrates through the sealing box body (31) and is fixedly connected with a handle (32).

3. A safety device for the preparation of sodium stannate according to claim 2, characterized in that: The lower end of the sealing box body (31) is fixedly connected with a supporting plate (15), the supporting plate (15) is fixedly connected with the protection device body (1), the lower end of the sealing box body (31) is fixedly connected with a discharge pipe, and the outer side of the discharge pipe is threadedly connected with a sealing cover (4).

4. A safety device for the preparation of sodium stannate according to claim 1, characterized by the fact that: One side of the protection device body (1) is rotatably connected with a rotary knob (7), one side of the rotary knob (7) is fixedly connected with a connecting shaft (8), the connecting shaft (8) is rotatably connected with the protection device body (1), one side of the connecting shaft (8) is fixedly connected with a gear (9), the outer edge of the gear (9) is engaged with an upper rack (11), and the upper rack (11) is fixedly connected with the upper sealing door (5).

5. A safety device for the preparation of sodium stannate according to claim 4, characterized in that: The lower end of the upper sealing door (5) is fixedly connected with two groups of sliding shafts (12), the upper end of the protection device body (1) is provided with two groups of sliding grooves (13), and the two groups of sliding shafts (12) are respectively slidably arranged in the inner sides of the sliding grooves (13).

6. A safety device for the preparation of sodium stannate according to claim 4, characterized by the fact that: The upper end of the lower sealing door (6) is fixedly connected with a lower rack (10), the lower rack (10) is engaged with the gear (9), the inner wall of the protection device body (1) is provided with two groups of limiting grooves (14), and the two sides of the lower sealing door (6) are slidably connected with the protection device body (1) through the two groups of limiting grooves (14). The upper end of the lower sealing door (6) is fixedly connected with a lower rack (10), the lower rack (10) is engaged with the gear (9), the inner wall of the protection device body (1) is provided with two groups of limiting grooves (14), and the two sides of the lower sealing door (6) are slidably connected with the protection device body (1) through the two groups of limiting grooves (14).