CN115723060A - Sand tank device of sand blasting machine - Google Patents
Sand tank device of sand blasting machine Download PDFInfo
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- CN115723060A CN115723060A CN202211418979.5A CN202211418979A CN115723060A CN 115723060 A CN115723060 A CN 115723060A CN 202211418979 A CN202211418979 A CN 202211418979A CN 115723060 A CN115723060 A CN 115723060A
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Abstract
The invention aims to provide a sand tank device of a sand blasting machine with high production efficiency, which comprises a pressure tank and a sand storage tank which are arranged at the upper part and the lower part, wherein the upper part of the sand storage tank is connected with a hopper, a conveying pipeline for conveying sand materials out of the tank is arranged below the pressure tank, under normal conditions, the pressure tank and the sand storage tank are mutually isolated by a sealing assembly, the pressure tank is in a high-pressure environment, an upper tank opening of the sand storage tank is opened and connected with the hopper for receiving the materials, when the sand storage tank is full of the sand materials, the sealing assembly seals the upper tank opening of the sand storage tank, opens the upper tank opening of the pressure tank, the sand storage tank is communicated with the pressure tank, the sand materials in the sand storage tank fall into the pressure tank, and in the secondary process, the upper tank opening of the sand storage tank is sealed, so the sand storage tank and the pressure tank are also sealed as a whole, the high-pressure environment can still be established, the sand blasting process cannot be influenced, the whole sand blasting machine does not need to be stopped, and the production efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of sand blasting machines, in particular to a sand tank device of a sand blasting machine.
Background
The non-stick pan is well received by consumers due to the non-stick performance, in order to ensure the non-stick performance, the pan blank needs to be sprayed with the inner paint in the production process, the inner paint comprises three layers of priming paint, intermediate paint and finish paint, the processes of dust removal and preheating are needed before the priming paint is sprayed, and the processes of drying and cooling are needed after the priming paint is sprayed, and then the intermediate paint and the finish paint are sprayed. The surface of a blank is subjected to sand blasting treatment by a sand blasting machine between paint spraying of the non-stick pan, the sand blasting machine forms impact and cutting effects on the surface of a workpiece due to the fact that compressed air is mixed with abrasive materials, the surface of the workpiece obtains certain cleanliness and different roughness, the mechanical property of the surface of the workpiece is improved, the fatigue resistance of the workpiece is improved, the adhesive force between the workpiece and a coating is increased, the durability of a coating film is prolonged, the coating is favorable for leveling and decoration of paint, meanwhile, impurities, mixed colors and an oxide layer on the surface of the workpiece are removed through the sand blasting process, the surface of a medium is roughened, the residual stress of the workpiece is eliminated, and the surface hardness of a base material is improved.
A common pressure-in sander typically includes a bucket, a high pressure gas device, and a lance. Wherein the high-pressure gas device is communicated with the inside of the charging bucket through a gas inlet, and a discharge pipe arranged at the bottom of the charging bucket is connected with the spray gun. When the material receiving device is used, the compressed air is injected into the charging bucket by the high-pressure gas device, the working pressure is established in the charging bucket through the compressed air, the spraying material is sprayed out through the discharging pipe through the spraying gun, therefore, a sealing valve is needed to be independently arranged, when the charging bucket receives the material, the sealing valve is opened, the spraying material enters the charging bucket, after the material receiving is completed, the sealing valve is closed to seal the feeding hole, and then the compressed air is injected into the charging bucket, namely, in the process of injecting the spraying material into the charging bucket, the charging bucket cannot normally work (because no sealing environment exists, the high-pressure environment cannot be established), certain time waste is caused, and the production efficiency is influenced.
Disclosure of Invention
The invention aims to provide a sand tank device of a sand blasting machine, which has high production efficiency.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a sand blasting machine's sand tank device which characterized in that: the sand storage device comprises a pressure tank at a lower position and a sand storage tank at an upper position, wherein the upper part of the sand storage tank is connected with a hopper, a conveying pipeline for conveying sand out of the tank is arranged below the pressure tank, sealing assemblies for plugging respective upper tank openings are arranged in the pressure tank and the sand storage tank, when the pressure tank is connected with pressure gas and the sand storage tank is decompressed, the sealing assemblies seal the upper tank opening of the pressure tank, and the sand storage tank receives material; when the pressure tank and the sand storage tank are simultaneously connected with pressure gas, the sealing assembly seals the upper tank opening of the sand storage tank and opens the upper tank opening of the pressure tank.
In the above-mentioned scheme, under the normal condition, isolated each other by seal assembly between pressure tank and the sand storage tank, the pressure tank is in high pressure environment, and the last jar mouth of sand storage tank opens and links up with the hopper and be used for connecing the material, when treating to connect full sand material in the sand storage tank, the last jar mouth of seal assembly sealed sand storage tank, open the last jar mouth of pressure tank, sand storage tank and pressure tank communicate with each other, the sand material in the sand storage tank falls into the pressure tank, the in-process is again because the last jar mouth of sand storage tank is sealed, consequently, sand storage tank and pressure tank are sealed as a whole, so still can establish high pressure environment, can not influence the sandblast process, whole sandblast machine need not to stop, production efficiency has been improved greatly.
Drawings
FIG. 1 is a schematic view of the overall construction of a sand tank assembly on a blasting machine;
FIG. 2 is a schematic view of the overall structure of the sand tank device;
FIG. 3 isbase:Sub>A sectional view taken along the direction A-A in FIG. 2 (the sand storage tank receives the material and the pressure tank is inbase:Sub>A high-pressure state);
FIG. 4 is a perspective view of FIG. 3;
FIG. 5 isbase:Sub>A sectional view taken along line A-A in FIG. 2 (initial sealing of the sand tank and high pressure of the pressure tank);
FIG. 6 is a perspective view of FIG. 5;
FIG. 7 isbase:Sub>A sectional view taken along line A-A in FIG. 2 (sand storage tank is discharged into pressure tank);
fig. 8 is a perspective view of fig. 7.
Detailed Description
It is first necessary to explain the working principle of the sand tank: inside the high-pressure gas device pours compressed air into the sand jar, and establish operating pressure in the sand jar through compressed air, just can spray the material through the discharging pipe and spray away via the spray gun, however the sand jar is connecing the material, it is open state to go up the jar mouth, just can't establish pressure environment again in the sand jar like this, sand blasting machine will be forced to shut down this moment, treat that the sand jar connects the material to accomplish the back, after plugging up jar mouth, just can pour into compressed air into to the sand jar inside again, that is to say at the in-process of pouring into the sand material into the sand jar, the sand jar can not normally work (because there is not sealed environment, consequently can't establish high pressure environment), this has just caused certain time waste, influence production efficiency. The present invention is proposed to solve this problem, and will be discussed in further detail with reference to fig. 1 to 8.
A sand tank device of a sand blasting machine comprises a pressure tank 10 at a lower position and a sand storage tank 50 at an upper position, wherein the upper part of the sand storage tank 50 is connected with a hopper 80, sand enters from the hopper 80, is stored in the sand storage tank 50 and then enters into the pressure tank 10 after being fully stored, a conveying pipeline 20 for conveying the sand out of the pressure tank 10 is arranged below the pressure tank 10, sealing assemblies 30 for plugging respective upper tank openings are arranged in the pressure tank 10 and the sand storage tank 50, when the pressure tank 10 is filled with pressure gas and the sand storage tank 50 is decompressed, the sealing assemblies 30 seal the upper tank opening of the pressure tank 10, and the sand storage tank 50 receives the material; when the pressure tank 10 and the sand storage tank 50 are simultaneously connected with pressure gas, the sealing component 30 seals the tank opening on the sand storage tank 50 and opens the tank opening on the pressure tank 10. Under normal conditions, pressure tank 10 and sand storage tank 50 are isolated from each other by seal assembly 30, pressure tank 10 is in high-pressure environment, and the last jar of mouth of sand storage tank 50 opens and links up with hopper 80 and be used for connecing the material, when waiting to connect full sand material in sand storage tank 50, seal assembly 30 seals the jar mouth of sand storage tank 50, open jar mouth of pressure tank 10, sand storage tank 50 and pressure tank 10 communicate with each other, the sand material among the sand storage tank 50 falls into pressure tank 10, at this in-process because jar mouth is sealed on sand storage tank 50, consequently sand storage tank 50 and pressure tank 10 constitute the whole that the cavity communicates with each other and also are sealed, so still can establish high-pressure environment, can not influence the sandblast process, whole sandblast machine need not shut down, production efficiency has been improved greatly. Meanwhile, the sand firstly falls into the sand storage tank 50 for temporary storage and then enters the pressure tank 10, so that the impact force and pressure fluctuation of the sand in the pressure tank 10 are reduced, and the sand sent out from the conveying pipeline 20 is more stable.
Considering the problem of non-stop and continuous operation, the structure of the sand storage tank 50 is the same as that of the pressure tank 10, and the material receiving box 70 is further arranged above the sand storage tank 50, when the sand storage tank 50 injects sand into the pressure tank 10, in order to ensure the establishment of a pressure environment, the upper tank opening of the sand storage tank 50 needs to be sealed by the sealing component 30, the sand flowing out from the lower part of the hopper 80 can be temporarily stored in the material receiving box 70, after the sand storage tank 50 finishes discharging, and after the sealing component 30 seals the upper tank opening of the pressure tank 10, the pressure environment of the pressure tank 10 can be ensured to be established, then the sand storage tank 50 does not need to be sealed, at this time, the upper tank opening of the sand storage tank 50 is opened, the sand in the material receiving box 70 falls into the sand storage tank 50, on one hand, the charging time of the sand storage tank 50 is shortened, on the other hand, the more important hand, the hopper 80 always discharges the sand in the whole process, the whole device does not need to be stopped, and the whole sand blasting process is greatly improved, and even the working efficiency of the production bus of the whole non-stick pan a is greatly.
As a preferred scheme of the present invention, as shown in fig. 3 and 5, the sealing assembly 30 includes a hollow tube 31 with an open upper end, a lower section of the hollow tube 31 is communicated with an inner end of an air inlet tube 41, an outer end of the air inlet tube 41 protrudes to the outside of the pressure tank 10 and is connected to an air source through an air inlet valve 42, a floating tube 32 is sleeved on the upper end of the hollow tube 31, a sealing plug 33 is disposed at a top of the floating tube 32, pressure air enters the hollow tube 31 from the air inlet tube 41, and the floating tube 32 is driven by air pressure to move upward so that the sealing plug 33 blocks an upper tank opening of the pressure tank 10. An air outlet 321 is formed in the floating pipe 32 below the sealing plug 33, when the sealing plug 33 blocks the tank opening of the pressure tank 10, the height of the air outlet 321 is larger than the height of the upper end of the hollow pipe 31, and pressure gas enters the pressure tank 10 from the air outlet 321 and sends sand air in the pressure tank 10 to the conveying pipeline 20.
The operation of the seal assembly 30 is as follows: the corresponding air inlet valve 42 on the pressure tank 10 is opened, the compressed air enters the hollow pipe 31 from the air inlet pipe 41, because the lower end of the hollow pipe 31 is of a closed structure, the compressed air can only come out from the upper end of the hollow pipe 31, the air pressure pushes the floating pipe 32 to move upwards and drives the sealing plug 33 to seal the upper tank opening of the pressure tank 10, the pressure tank 10 is a closed environment, at the moment, the compressed air in the hollow pipe 31 continuously enters the pressure tank 10 from the floating pipe 32 through the air outlet 321, the sand in the pressure tank 10 is conveyed to the conveying pipeline 20 through the air, at the moment, the upper tank opening of the sand storage tank 50 is in an open state and is receiving materials (as shown in fig. 3 and 4), when the sand in the sand storage tank 50 is full, the corresponding air inlet valve 42 on the sand storage tank 50 is opened (at the moment, the corresponding air inlet valve 42 on the pressure tank 10 is still in an open state), compressed air enters the hollow pipe 31 from the air inlet pipe 41, the air pressure pushes the floating pipe 32 to move upwards and drives the sealing plug 33 to seal the upper opening of the sand storage tank 50, the compressed air in the hollow pipe 31 continues to enter the sand storage tank 50 from the floating pipe 32 provided with the air outlet 321 (as shown in fig. 5 and 6), when the pressures in the pressure tank 10 and the sand storage tank 50 are equal, the corresponding air inlet valve 42 on the pressure tank 10 is closed, the floating pipe 32 and the sealing plug 33 can fall downwards due to self weight and open the upper opening of the pressure tank 10, sand in the sand storage tank 50 falls into the pressure tank 10 (as shown in fig. 7 and 8), after the unloading is completed, the sand storage tank 50 is decompressed, when the pressure in the pressure tank 10 is greater than the pressure in the sand storage tank 50, the sealing plug 33 moves upwards again to seal the upper opening of the pressure tank 10 to form a closed high-pressure environment, and the pressure in the sand storage tank 50 is decompressed, when the pressure of the sand storage tank 50 is smaller than the self weight of the floating pipe 32 and the sealing plug 33 plus the gravity of the sand material received in the material receiving box 70, the floating pipe 32 and the sealing plug 33 fall down to reopen the upper tank opening of the sand storage tank 50 for material receiving (as shown in fig. 3 and 4), and the process is repeated. Only one inlet tube 41 has to be inserted into the pressure vessel 10 to achieve both the action of the sealing plug 33 and the establishment of a pressure environment.
Furthermore, the sealing plug 33 is in a conical column shape with a small upper part and a large lower part, the tank top formed by the upper end face of the pressure tank 10 is in a funnel shape for the tank bottom of the sand storage tank 50, the circular hole formed in the middle of the upper end face forms an upper tank opening, and the conical sealing plug 33 is arranged at the circular hole to form opening and pipe closing matching of the valve function. The sealing plug 33 moves upwards under the action of compressed air and is rapidly inserted into the upper tank opening to form sealing fit, and the conical sealing plug 33 has good sealing effect.
In order to ensure that the sealing plug 33 cannot incline at any time and then can be accurately inserted into the upper tank opening, the tube core of the hollow tube 31 is arranged in the vertical direction, the outer wall of the hollow tube 31 and the inner wall of the floating tube 32 form sliding fit in the vertical direction and limiting fit in the circumferential direction through the convex ribs and the grooves, and the movement of the sealing plug 33 is guided through the sliding fit of the convex ribs and the grooves, so that the sealing plug 33 cannot incline or rotate.
In order to improve the guiding precision, a plurality of convex ribs are uniformly arranged on the outer wall of the hollow pipe 31 along the circumferential direction at intervals, and a plurality of grooves are correspondingly arranged on the inner wall of the floating pipe 32.
In order to prevent the sand in the pressure tank 10 from settling and blocking the passage of the tank bottom 11, the tank bottom 11 of the pressure tank 10 is also funnel-shaped with a large top and a small bottom, a spiral sheet 61 is arranged in the tank bottom 11, and a motor 62 drives the spiral sheet 61 to rotate around the vertical direction to stir the sand in the tank bottom 11, so that the sand in the tank bottom 11 is always in a flowing state, the passage of the tank bottom 11 cannot be blocked, and the smoothness of sand production is ensured.
The sand material may have some impurities such as plastic bags and the like mixed therein, in order to prevent the impurities from entering the conveying pipeline 20, the top of the funnel-shaped tank bottom 11 is provided with a grid-shaped grid plate 63, the grid plate 63 is integrally circular and arranged in a horizontal plane, and the grid plate 63 can block the impurities so as to prevent the conveying pipeline 20 from being blocked.
The pressure tank 10 and the sand storage tank 50 are also provided with an observation window a on the tank body, and the observation window a is arranged close to the bottom of the tank body and is used for observing the condition of sand materials in the tank.
Claims (10)
1. The utility model provides a sand blasting machine's sand tank device which characterized in that: the sand storage device comprises a pressure tank (10) at a lower position and a sand storage tank (50) at an upper position, wherein the upper part of the sand storage tank (50) is connected with a hopper (80), a conveying pipeline (20) for conveying sand out of the tank is arranged below the pressure tank (10), sealing assemblies (30) for sealing respective upper tank openings are arranged in the pressure tank (10) and the sand storage tank (50), when the pressure tank (10) is connected with pressure gas and the sand storage tank (50) is decompressed, the sealing assemblies (30) seal the upper tank openings of the pressure tank (10), and the sand storage tank (50) is connected with a material; when the pressure tank (10) and the sand storage tank (50) are simultaneously connected with pressure gas, the sealing component (30) seals the tank opening of the sand storage tank (50) and opens the tank opening of the pressure tank (10).
2. The sand tank apparatus of a blasting machine according to claim 1, characterized in that: the structure of the sand storage tank (50) is the same as that of the pressure tank (10), and a material receiving box (70) is arranged above the sand storage tank (50).
3. The sand tank apparatus of a blasting machine according to claim 1, characterized in that: sealing component (30) include open hollow tube (31) in upper end, the lower section of hollow tube (31) communicates with each other with the inner end of intake pipe (41), the outer end of intake pipe (41) is protruding to overhead tank (10) outside and is continuous with the air supply through admission valve (42), hollow tube (31) upper end cover is equipped with floating pipe (32), the top of floating pipe (32) is provided with sealing plug (33), pressure gas gets into hollow tube (31) from intake pipe (41), air pressure drive floating pipe (32) upward movement makes sealing plug (33) shutoff overhead tank mouth on overhead tank (10).
4. The sand tank device of a blasting machine according to claim 3, characterized in that: an air outlet (321) is formed in the floating pipe (32) below the sealing plug (33), when the sealing plug (33) blocks the opening of the pressure tank (10), the height of the air outlet (321) is larger than that of the upper end of the hollow pipe (31), and pressure gas enters the pressure tank (10) from the air outlet (321) and sends sand air in the pressure tank (10) to the conveying pipeline (20).
5. The sand tank apparatus of a blasting machine according to claim 4, characterized in that: sealing plug (33) be big end down's awl column, the tank deck that the up end of pressure tank (10) constitutes is simultaneously for the tank bottoms of storing up sand jar (50) to leak hopper-shaped, the round hole that the middle part of up end was seted up constitutes jar mouth, the cylindrical sealing plug of awl (33) are arranged round hole department in and are constituted to open and close the cooperation with the pipe.
6. The sand tank apparatus of a blasting machine according to claim 3, characterized in that: the tube core of the hollow tube (31) is arranged in the vertical direction, and the outer wall of the hollow tube (31) and the inner wall of the floating tube (32) form sliding fit in the vertical direction and limit fit in the circumferential direction through convex ribs and grooves.
7. The sand tank apparatus of a blasting machine according to claim 6, wherein: the convex ribs are uniformly arranged on the outer wall of the hollow pipe (31) along the circumferential direction of the hollow pipe at intervals, and the grooves are correspondingly arranged on the inner wall of the floating pipe (32).
8. The sand tank apparatus of a blasting machine according to claim 1, characterized in that: the tank bottom (11) of the pressure tank (10) is also in a funnel shape with a large upper part and a small lower part, a spiral sheet (61) is arranged in the tank bottom (11), and a motor (62) drives the spiral sheet (61) to rotate around the vertical direction so as to stir sand materials in the tank bottom (11).
9. The sand tank apparatus of a blasting machine according to claim 8, wherein: the top of the funnel-shaped tank bottom (11) is provided with a grid plate (63), and the grid plate (63) is integrally circular and is arranged in a horizontal plane.
10. The sand tank device of a blasting machine according to claim 1, characterized in that: the pressure tank (10) and the sand storage tank (50) are also provided with observation windows (a), and the observation windows (a) are arranged close to the bottom of the tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211418979.5A CN115723060A (en) | 2022-11-14 | 2022-11-14 | Sand tank device of sand blasting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211418979.5A CN115723060A (en) | 2022-11-14 | 2022-11-14 | Sand tank device of sand blasting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115723060A true CN115723060A (en) | 2023-03-03 |
Family
ID=85295473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211418979.5A Pending CN115723060A (en) | 2022-11-14 | 2022-11-14 | Sand tank device of sand blasting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115723060A (en) |
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2022
- 2022-11-14 CN CN202211418979.5A patent/CN115723060A/en active Pending
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