CN212669796U - Passivation spraying equipment for stainless steel cold-rolled coil - Google Patents
Passivation spraying equipment for stainless steel cold-rolled coil Download PDFInfo
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- CN212669796U CN212669796U CN202021208155.1U CN202021208155U CN212669796U CN 212669796 U CN212669796 U CN 212669796U CN 202021208155 U CN202021208155 U CN 202021208155U CN 212669796 U CN212669796 U CN 212669796U
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- fender
- passivation
- stainless steel
- board
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- 238000002161 passivation Methods 0.000 title claims abstract description 49
- 238000005507 spraying Methods 0.000 title claims abstract description 46
- 239000010935 stainless steel Substances 0.000 title claims abstract description 18
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 108
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 45
- 239000010959 steel Substances 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000005097 cold rolling Methods 0.000 claims abstract description 5
- 239000007921 spray Substances 0.000 claims description 50
- 238000003780 insertion Methods 0.000 claims description 23
- 230000037431 insertion Effects 0.000 claims description 23
- 238000009434 installation Methods 0.000 claims description 13
- 238000011084 recovery Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 description 9
- 238000000576 coating method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 239000010960 cold rolled steel Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model discloses a passivation spraying equipment for stainless steel cold rolling coil, which comprises a mounting rack, a liquid supply box and a liquid supply pump, wherein the mounting rack is positioned at two sides of a cold rolling coil steel strip, the liquid supply pump is communicated with the inner cavity of the liquid supply box, the mounting rack is provided with an upper spraying pipe and a lower spraying pipe which are sequentially installed from top to bottom, a space for conveying the steel strip is reserved between the upper spraying pipe and the lower spraying pipe, and the upper spraying pipe and the lower spraying pipe are communicated with the liquid supply pump through pipelines; go up and be equipped with the fender liquid spare that spanes mounting bracket width direction between shower and the steel band, keep off liquid spare including relative setting and first fender liquid board of butt complex and second fender liquid board, first fender liquid board rotates with the mounting bracket both sides respectively through the pivot with the second fender liquid board and is connected, spraying equipment is still including being used for driving first fender liquid board and second fender liquid board and rotate to the driving piece parallel with the mounting bracket. The utility model discloses utilize rotatable fender liquid spare to solve after spraying, the shower runs out the problem that the effluence water clock leads to the steel band surface to form the spot.
Description
Technical Field
The utility model relates to a technical field of stainless steel processing, in particular to spraying equipment.
Background
The stainless steel cold-rolled coil takes a hot-rolled stainless steel strip as a blank and is further cold-rolled, and the cold-rolled steel strip needs to be subjected to surface passivation treatment to convert the metal surface into a state which is not easy to be oxidized, so that the corrosion rate of the metal is delayed. The most common passivation treatment processes include a spray method and a roll coating method, wherein a coating roll and a draw-off roll are arranged on both sides of a steel strip, and a trough for containing passivation solution is arranged below the draw-off roll. In the coating process, the draw-down roller rotates to draw the passivation solution in the material groove, and the passivation solution is coated on the coating roller, and then the passivation solution is coated on the surface of the steel strip by the coating roller; the spraying method is to uniformly spray a layer of passivation solution on the surface of the steel strip through spraying equipment, and the process is simple and effective. After the passivation solution is coated, it needs to be cured by heating.
After the passivation spraying equipment in the prior art sprays, because of the loss of the nozzle, the passivation solution remained on the nozzle is easy to drip on the upper surface of the steel strip to form passivation spots, so that the upper surface of the steel strip has chromatic aberration, and the quality of the steel strip is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a passivation sprays equipment for cold rolling book of stainless steel, it can carry out recycle to unnecessary passivation liquid.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a passivation spraying device for a stainless steel cold-rolled coil comprises a mounting frame, a liquid supply box and a liquid supply pump, wherein the mounting frame is positioned on two sides of a cold-rolled coil steel strip, the liquid supply pump is communicated with the inner cavity of the liquid supply box, an upper spraying pipe and a lower spraying pipe are sequentially mounted on the mounting frame from top to bottom, a plurality of nozzles are arranged on the upper spraying pipe in a downward direction, a plurality of nozzles are arranged on the lower spraying pipe in an upward direction, a space for conveying the steel strip is reserved between the upper spraying pipe and the lower spraying pipe, and the upper spraying pipe and the lower spraying pipe are communicated with the liquid supply pump through pipelines; go up and be equipped with the fender liquid spare that spanes mounting bracket width direction between shower and the steel band, keep off liquid spare including relative setting and first fender liquid board of butt complex and second fender liquid board, first fender liquid board rotates with the mounting bracket both sides respectively through the pivot with the second fender liquid board and is connected, spraying equipment is still including being used for driving first fender liquid board and second fender liquid board and rotate to the driving piece parallel with the mounting bracket.
Through the technical scheme, the cold-rolled coil steel strip passes through the upper spray pipe and the lower spray pipe, and the upper surface and the lower surface of the steel strip are uniformly sprayed with the passivation solution through the upper spray pipe and the lower spray pipe, so that continuous and compact passivation films can be formed on the upper surface and the lower surface of the steel strip. In the working state of the spraying equipment, the first liquid baffle and the second liquid baffle are both arranged in parallel with the mounting rack; after spraying equipment stopped to spray, through the driving piece, order about first fender liquid board and second fender liquid and rotate to and go up the shower parallel, the cooperation of the one end butt that first fender liquid board and second fender liquid are close to each other to prevent the passivation liquid drop of drippage to the steel band surface, produce the spot on the steel band surface.
The utility model discloses further set up to: the driving piece comprises a gear coaxially fixedly arranged on the rotating shaft, a rack arranged in the vertical direction and meshed with the gear, and a cylinder fixed on the mounting frame, wherein a piston rod of the cylinder is fixedly connected with the rack.
Through above-mentioned technical scheme, the cylinder drives the rack removal, and then drives gear revolve, because gear and pivot fixed connection, first fender liquid board and second fender liquid board overturn along with the gear is synchronous, realize the closed control of first fender liquid board and second fender liquid board.
The utility model discloses further set up to: the nozzle is a fan-shaped nozzle.
By the technical scheme, the spray surface of the fan-shaped nozzle is fan-shaped, so that the spray surface of the nozzle is increased; on the other hand, the fan-shaped nozzles spray all the positions on the surface of the steel strip more uniformly, so that the surface of the steel strip is prevented from having chromatic aberration due to uneven spraying, and the product quality is improved.
The utility model discloses further set up to: the spraying equipment further comprises a recovery device, and the recovery device comprises a water receiving tray arranged below the lower spraying pipe and a liquid collecting tank communicated with the water receiving tray.
Through above-mentioned technical scheme, utilize the water collector to collect the unnecessary passivation solution in steel band surface to store unnecessary passivation solution in collecting the liquid jar, be convenient for follow-up recycle.
The utility model discloses further set up to: and a filter cylinder is arranged in the liquid collection tank.
Through above-mentioned technical scheme, because the steel band surface has a small amount of impurity before the passivation, can get into in the collection liquid jar along with the passivation liquid during the recovery, utilize the passivation liquid that cartridge filter purification filtration was retrieved, prevent to spray equipment and block up.
The utility model discloses further set up to: each the cartridge filter passes through plug-in components and collects liquid tank fixed connection, plug-in components including set up in the plug-in groove of collection liquid tank inner wall, sliding connection in the plug-in groove plug-in block, be used for the spring of fixed connection plug-in block and filter cartridge outer wall, set up in the mounting groove that the cartridge filter outer wall is used for holding the spring.
Through the technical scheme, the insertion block is inserted into the insertion groove, and then the filter cartridge is fixed on the liquid collection tank; through setting up the spring and providing the stroke compensation for the removal of grafting piece, the grafting piece of being convenient for breaks away from in the inserting groove to pull down the cartridge filter, wash the cartridge filter.
The utility model discloses further set up to: the opening outer edge of cartridge filter has seted up the shifting chute, shifting chute and mounting groove intercommunication, wear to be equipped with application of force portion in the shifting chute, application of force portion and grafting piece fixed connection.
Through above-mentioned technical scheme, utilize application of force portion to provide the stress point for the dismouting cartridge filter, improve the convenience of operation, be favorable to improving work efficiency.
The utility model discloses further set up to: one end of the insertion block, which is close to the insertion groove, is provided with a guide surface, and the guide surface is arranged downwards towards the insertion groove.
Through above-mentioned technical scheme, utilize the guide effect of spigot surface, be convenient for be connected the plug block with the inserting groove, further improved the convenience of operation.
To sum up, the utility model discloses following beneficial effect has:
1. when the spraying equipment stops working, a shielding surface is formed between the upper spraying pipe and the surface of the steel strip by utilizing the matching of the first liquid baffle plate and the second liquid baffle plate which can turn over, so that the nozzle is prevented from dripping and leaking to generate spots on the surface of the steel strip.
2. Through the cooperation of rack and pinion and cylinder, realize the automated control to the upset of first fender liquid board and second fender liquid board to improve the result of use that keeps off the liquid spare.
3. And the recovery device is arranged to recycle redundant passivation solution so as to save the production cost.
4. Through setting up cartridge filter and plug-in components, can purify the filtration to the passivation liquid of retrieving, still be convenient for wash the dismouting cartridge filter.
Drawings
FIG. 1 is a schematic diagram showing the overall structure of a passivation spraying device for a stainless steel cold-rolled coil in the embodiment;
FIG. 2 is a schematic structural diagram of the driving member in the present embodiment;
FIG. 3 is a sectional view of the liquid-collecting tank in the present embodiment;
fig. 4 is a sectional view of the interpolation set in the present embodiment.
Reference numerals: 1. a mounting frame; 2. a liquid supply tank; 21. a liquid supply pump; 22. an upper spray pipe; 23. a lower spray pipe; 24. a nozzle; 25. a fan-shaped nozzle; 3. a liquid blocking member; 31. a first liquid baffle; 32. a second liquid baffle; 33. a rotating shaft; 4. a drive member; 41. a gear; 42. a rack; 43. a cylinder; 5. a recovery device; 51. a water pan; 52. a liquid collecting tank; 53. a filter cartridge; 6. a plug-in assembly; 61. inserting grooves; 62. an insertion block; 63. a spring; 64. mounting grooves; 65. a moving groove; 66. a force application part; 67. a guide surface.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figure 1, the passivation spraying equipment for the stainless steel cold-rolled coil comprises an installation frame 1 positioned on two sides of a cold-rolled coil steel strip, a liquid supply tank 2 arranged on one side of the installation frame 1, and a liquid supply pump 21 communicated with the inner cavity of the liquid supply tank 2. An upper spray pipe 22 and a lower spray pipe 23 which stretch across the width direction of the cold-rolled coil are fixed on the mounting rack 1, a nozzle 24 which is arranged downwards is connected to the upper spray pipe 22 through a thread, a nozzle 24 which is arranged upwards is connected to the lower spray pipe 23 through a thread, and specifically, the nozzles 24 in the embodiment are all fan-shaped nozzles 25. The steel strip passes between the upper spray pipe 22 and the lower spray pipe 23. The upper spray pipe 22 and the lower spray pipe 23 are both communicated with the liquid supply pump 21 through pipelines.
As shown in fig. 1, the cold-rolled steel strip passes between the upper spray pipes 22 and the lower spray pipes 23, and the upper and lower surfaces of the steel strip are uniformly sprayed with the passivation solution through the fan-shaped nozzles 25 provided in the upper spray pipes 22 and the lower spray pipes 23, so that the upper and lower surfaces of the steel strip can be formed with a continuous and dense passivation film. Because the fan-shaped nozzle 25 is in threaded connection with the upper spray pipe 22 and the lower spray pipe 23, the fan-shaped nozzle 25 can be detached for cleaning or replacement when blockage occurs.
As shown in fig. 1 and 2, a liquid blocking member 3 spanning the width direction of the steel belt is arranged between the upper spray pipe 22 and the steel belt, specifically, the liquid blocking member 3 includes a first liquid blocking plate 31 and a second liquid blocking plate 32 which are oppositely arranged, one end of the first liquid blocking plate 31, which is far away from the second liquid blocking plate 32, is rotatably connected with two sides of the mounting frame 1 through a rotating shaft 33, and one end of the first liquid blocking plate 31, which is close to the second liquid blocking plate 32, is abutted and matched, so that a plane between the upper spray pipe 22 and the steel belt is shielded. Both sides of the mounting frame 1 are provided with a driving part 4 for driving the first liquid baffle 31 and the second liquid baffle 32 to rotate to be parallel to the mounting frame 1, specifically, the driving part 4 comprises a gear 41 coaxially fixedly arranged on the rotating shaft 33, a cylinder 43 fixed on the mounting frame 1, and a rack 42 fixed on a piston rod of the cylinder 43, and the rack 42 is meshed with the gear 41.
As shown in fig. 1 and 2, in the working state of the spraying equipment, the first liquid baffle 31 and the second liquid baffle 32 are both parallel to the mounting frame 1, so that the passivation solution can be conveniently sprayed on the surface of the steel strip; after the spraying equipment stops spraying, the first liquid baffle 31 and the second liquid baffle 32 are driven to rotate to be parallel to the upper spraying pipe 22 through the air cylinder 43, and one end of the first liquid baffle 31 and one end of the second liquid baffle 32, which are close to each other, are abutted and matched, so that the passivation liquid which is prevented from leaking drips on the surface of the steel strip, and spots are generated on the surface of the steel strip.
As shown in fig. 1, the apparatus is further provided with a recovery device 5 for recovering the passivation solution, the recovery device 5 includes a water pan 51 and a catch tank 52, the water pan 51 is disposed below the lower spray pipe 23, two ends of the water pan 51 extend along the transmission direction of the steel strip, and the catch tank 52 is located below the water pan 51 and is communicated with the water pan 51. In order to form a continuous and compact passivation film on the surface of the steel strip, the spraying amount of the passivation solution is usually left with a margin, and the redundant passivation solution can be collected by using the water receiving tray 51 and sent into the liquid collecting tank 52 for storage, so that the subsequent recycling is facilitated.
As shown in fig. 3 and 4, a filter cartridge 53 is provided in the liquid collection tank 52, and the filter cartridge 53 is fixedly connected to the liquid collection tank 52 by the plug assembly 6. Specifically, the plug-in assembly 6 includes a plug-in groove 61 formed in an inner wall of the liquid collection tank 52, a plug-in block 62 slidably connected in the plug-in groove 61, a guide surface 67 disposed at one end of the plug-in block 62 close to the plug-in groove 61, a spring 63 for fixedly connecting the plug-in block 62 and an outer wall of the filter cartridge 53, an installation groove 64 formed in the outer wall of the filter cartridge 53 for accommodating the spring 63, a moving groove 65 formed on an outer edge of an opening of the filter cartridge 53 and communicated with the installation groove 64, and a force application portion 66 penetrating the moving groove 65 and fixedly connected with the plug-in block 62.
As shown in fig. 3 and 4, the force application part 66 is pushed to insert the insertion block 62 into the insertion groove 61, so that the filter cartridge 53 is fixed in the liquid collection tank 52, the recovered passivation solution can be purified and filtered by the filter cartridge 53, and the impurities after recovery can be prevented from entering the spraying equipment to block the nozzle 24. The force application part 66 is pulled to disengage the insertion block 62 from the insertion groove 61, so that the filter cartridge 53 can be conveniently taken out of the liquid collection tank 52 for cleaning.
The implementation principle of the embodiment is as follows: 1. the upper surface and the lower surface of the cold-rolled coil are uniformly sprayed with passivation solution through the upper spray pipe 22 and the lower spray pipe 23, so that continuous and compact passivation films are formed on the upper surface and the lower surface of the steel strip, and the corrosion resistance of the steel strip is improved.
2. In the spraying process, redundant passivation solution falling from the surface of the steel strip is collected through the water receiving disc 51, purified through the filter cylinder 53 and then flows into the liquid collecting tank 52 for storage.
3. When the spraying is stopped, the first liquid baffle 31 and the second liquid baffle 32 are driven by the air cylinder 43 to rotate to be parallel to the surface of the steel strip, so that the plane between the upper spraying pipe 22 and the steel strip plane is completely shielded, and spots are prevented from being formed on the surface of the steel strip due to the leakage of the nozzles 24.
4. Pulling the force application part 66 to separate the insertion block 62 from the insertion groove 61, and taking out the filter cartridge 53 for cleaning; then, the filter cartridge 53 is placed back into the liquid collection tank 52, and the force application part 66 is pushed to drive the insertion block 62 to be inserted into the insertion groove 61, so that the filter cartridge 53 is fixed in the liquid collection tank 52.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a passivation spraying equipment for stainless steel cold rolling book, includes mounting bracket (1), confession liquid case (2) that are located cold rolling coil steel strip both sides, communicates in confession liquid pump (21) of confession liquid case (2) inner chamber, its characterized in that: an upper spray pipe (22) and a lower spray pipe (23) which are sequentially installed from top to bottom are arranged on the installation frame (1), a plurality of nozzles (24) which are arranged downwards are arranged on the upper spray pipe (22), a plurality of nozzles (24) which are arranged upwards are arranged on the lower spray pipe (23), a space for conveying a steel strip is reserved between the upper spray pipe (22) and the lower spray pipe (23), and the upper spray pipe (22) and the lower spray pipe (23) are communicated with a liquid supply pump (21) through pipelines; go up and be equipped with between shower (22) and the steel band and span mounting bracket (1) width direction's fender liquid spare (3), keep off liquid spare (3) including relative setting and first fender liquid board (31) of butt complex and second fender liquid board (32), first fender liquid board (31) and second fender liquid board (32) are connected with mounting bracket (1) both sides rotation respectively through pivot (33), spray equipment still including being used for driving first fender liquid board (31) and second fender liquid board (32) and rotate to driving piece (4) parallel with mounting bracket (1).
2. A passivation spray installation for stainless steel cold rolled coils according to claim 1, characterized in that: the driving piece (4) comprises a gear (41) coaxially fixedly arranged on the rotating shaft (33), a rack (42) which is arranged along the vertical direction and meshed with the gear (41), and a cylinder (43) fixed on the mounting frame (1), wherein a piston rod of the cylinder (43) is fixedly connected with the rack (42).
3. A passivation spray installation for stainless steel cold rolled coils according to claim 2, characterized in that: the nozzle (24) is a fan-shaped nozzle (25).
4. A passivation spray installation for stainless steel cold rolled coils according to claim 1, characterized in that: the spraying equipment further comprises a recovery device (5), wherein the recovery device (5) comprises a water receiving tray (51) arranged below the lower spraying pipe (23) and a liquid collecting tank (52) communicated with the water receiving tray (51).
5. A passivation spray installation for stainless steel cold rolled coils according to claim 4, characterized in that: and a filter cylinder (53) is arranged in the liquid collecting tank (52).
6. A passivation spray installation for stainless steel cold rolled coils according to claim 5, characterized in that: each filter cartridge (53) is fixedly connected with the liquid collection tank (52) through an insertion assembly (6), and the insertion assembly (6) comprises an insertion groove (61) formed in the inner wall of the liquid collection tank (52), an insertion block (62) connected into the insertion groove (61) in a sliding manner, a spring (63) used for fixedly connecting the insertion block (62) and the outer wall of the filter cartridge (53), and an installation groove (64) formed in the outer wall of the filter cartridge (53) and used for accommodating the spring (63).
7. A passivation spray installation for stainless steel cold rolled coils according to claim 6, characterized in that: the opening outer edge of cartridge filter (53) has seted up shifting chute (65), shifting chute (65) and mounting groove (64) intercommunication, wear to be equipped with application of force portion (66) in shifting chute (65), application of force portion (66) and grafting piece (62) fixed connection.
8. A passivation spray installation for stainless steel cold rolled coils according to claim 7, characterized in that: one end, close to the insertion groove (61), of the insertion block (62) is provided with a guide surface (67), and the guide surface (67) is arranged in a downward inclined mode towards the insertion groove (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021208155.1U CN212669796U (en) | 2020-06-24 | 2020-06-24 | Passivation spraying equipment for stainless steel cold-rolled coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021208155.1U CN212669796U (en) | 2020-06-24 | 2020-06-24 | Passivation spraying equipment for stainless steel cold-rolled coil |
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| Publication Number | Publication Date |
|---|---|
| CN212669796U true CN212669796U (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021208155.1U Active CN212669796U (en) | 2020-06-24 | 2020-06-24 | Passivation spraying equipment for stainless steel cold-rolled coil |
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| CN (1) | CN212669796U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114438486A (en) * | 2022-01-27 | 2022-05-06 | 林海艺 | Be used for galvanized pipe surface passivation treatment equipment |
| CN114457329A (en) * | 2022-03-05 | 2022-05-10 | 滁州职业技术学院 | Passivation liquid spray set |
-
2020
- 2020-06-24 CN CN202021208155.1U patent/CN212669796U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114438486A (en) * | 2022-01-27 | 2022-05-06 | 林海艺 | Be used for galvanized pipe surface passivation treatment equipment |
| CN114438486B (en) * | 2022-01-27 | 2023-10-27 | 天津尚源金属表面处理有限公司 | Be used for galvanized pipe surface passivation treatment facility |
| CN114457329A (en) * | 2022-03-05 | 2022-05-10 | 滁州职业技术学院 | Passivation liquid spray set |
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