CN214237748U - Working angle adjustable strip steel acid-free descaling device - Google Patents
Working angle adjustable strip steel acid-free descaling device Download PDFInfo
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- CN214237748U CN214237748U CN202022802941.0U CN202022802941U CN214237748U CN 214237748 U CN214237748 U CN 214237748U CN 202022802941 U CN202022802941 U CN 202022802941U CN 214237748 U CN214237748 U CN 214237748U
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Abstract
The utility model provides a belted steel does not have sour descaling device of work angle adjustable belongs to mechanical equipment technical field, belted steel does not have sour descaling device and includes the shot-blasting descaling case, shot-blasting descaling is last to be provided with impeller head and strutting arrangement in opposite directions, the impeller head is located the upside of belted steel, strutting arrangement is located the downside of belted steel, the place ahead of shot-blasting descaling case is provided with first positioner, and the rear is provided with second positioner, first positioner with second positioner's the same structure, first positioner with second positioner can go up and down under high adjusting device's effect. According to the scheme, the strip steel acid-free descaling device can change the included angle between the strip steel and the horizontal plane and the relative position between the strip steel and the impeller head by adjusting the height of the positioning device, so that the adjustment of the material flow impact angle of descaling shots is realized, and in addition, the strip steel is not easy to deform in the material flow impact process of the descaling shots by arranging the supporting device.
Description
Technical Field
The utility model relates to the technical field of mechanical equipment, in particular to a working angle adjustable strip steel acid-free descaling device.
Background
The removal of the surface scale layer of the hot-rolled strip steel before the subsequent processes of cold rolling, hot galvanizing or coating and the like is an indispensable link. The traditional strip steel descaling process is pickling, a large amount of acid liquor is needed, the discharge of three wastes is serious, the acid environment corrodes peripheral mechanical equipment and harms the health of workers, and the surface quality problems of over pickling, under pickling and the like often exist in pickling operation. Compared with the traditional pickling and shot blasting descaling technology, the method has the advantages of environmental friendliness, no pollution, small occupied area, strong controllability, flexible series combination production and the like, and has wide application prospect.
The shot blasting descaling mechanism is as follows: the thrust force of the impeller and the centrifugal force accelerate the shots, force the large batches of the shots to continuously impact the surface of the strip steel, and smash and remove the brittle scale layer. The impact angle of the shot flow relative to the strip steel surface is one of important process parameters of a shot blasting descaling technology, and whether the impact angle is set properly directly determines the surface quality of the descaled strip steel and the energy efficiency of a system.
On the present shot blasting impact descaling production line, the impact angle of the shot blasting descaling device is not adjustable, namely the impact angle is a fixed value no matter what kind of steel is processed. This is because the mass of the impeller is large, and most of the impeller is several tons or even tens of tons, and the impeller is fixed on the descaling box. The fixed position of the impeller head causes the impact angle of the shot flow generated when the impeller head works relative to the descaling box to be a fixed value.
Because different steel grades, the compositions and the thicknesses of the structures of the scale layers, the bonding strength between the scale layers and the matrix and the like are very complicated, and the requirement difference of the descaling process parameters is very large, the impact angle of the shot blasting descaling device cannot be adjusted, and the shot blasting descaling device has various inconveniences and defects in actual production. For example, the shot blasting device of a shot blasting descaling device generates shot flow with an impact angle of 50 degrees, and the optimal impact angle of a certain type of steel is measured to be 60 degrees through experiments, so that the descaling operation of the steel is inefficient, and continuous energy waste exists.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a belted steel does not have sour descaling device of work angle adjustable to solve present impact angle unadjustable of throwing ball descaling device, influence the surface quality of back belted steel that descales, and lead to the descaling system efficiency not high, there is the extravagant problem of energy of continuation.
In order to solve the technical problem, the utility model provides a following technical scheme:
a strip steel acid-free descaling device with an adjustable working angle comprises a first shot blasting descaling box, wherein the first shot blasting descaling box is provided with a first shot blasting device, and the first shot blasting device is connected with a first shot material box through a first shot material conveying pipeline; the first shot blasting descaling box is also provided with a first supporting device, the first supporting device and the first shot blasting device are arranged oppositely, and the axis of the first supporting device is coincided with the shot spraying direction of the first shot blasting device; the strip steel acid-free descaling device further comprises a first positioning device and a second positioning device, the first positioning device and the second positioning device are symmetrically arranged on the front side and the rear side of the first shot blasting descaling box, and the first positioning device and the second positioning device are adjustable in height and identical in structure.
The first supporting device comprises a supporting beam, and a supporting roller is arranged at the first end of the supporting beam; and a first supporting hydraulic cylinder is arranged on the first shot blasting descaling box, and the second end of the supporting beam is connected with a piston of the first supporting hydraulic cylinder.
The first supporting device further comprises an umbrella-shaped protective sleeve, the umbrella-shaped protective sleeve is in a conical surface shape, the vertex of the conical surface is sleeved on the supporting beam, and a generatrix of the conical surface is connected with the first shot blasting descaling box.
The first positioning device comprises a positioning roller, a cover body is arranged on the outer side of the positioning roller, and a height adjusting device is arranged at the bottom of the cover body.
The height adjusting device is a hydraulic cylinder, and the cover body is connected with a piston of the hydraulic cylinder.
And one side of the cover body facing the first shot blasting descaling box is provided with a protective sleeve.
The strip steel acid-free descaling device with the adjustable working angle further comprises a second shot blasting descaling box, and a third positioning device and a fourth positioning device are respectively arranged on the front side and the rear side of the second shot blasting descaling box; a second shot blasting device and a second supporting device are arranged on the second shot blasting descaling box, the second supporting device and the second shot blasting device are arranged in opposite directions, and the axis of the second supporting device is overlapped with the shot spraying direction of the second shot blasting device; the first impeller is arranged at the top of the first shot blasting descaling box, and the second impeller is arranged at the bottom of the second shot blasting descaling box.
The first positioning device, the first shot blasting descaling box, the second positioning device, the third positioning device, the second shot blasting descaling box and the fourth positioning device are sequentially arranged along the moving direction of the strip steel.
And the included angle between the shot material spraying direction of the first shot blasting device and the horizontal plane is equal to the included angle between the shot material spraying direction of the second shot blasting device and the horizontal plane.
The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:
in the scheme, the height-adjustable positioning devices are arranged in front of and behind the shot blasting descaling box of the strip steel acid-free descaling device, and the relative positions of the strip steel and the shot blasting device can be changed by adjusting the height of the positioning devices, so that the adjustment of the impact angle of the descaling shot flow is realized; the strip steel acid-free descaling device is provided with the supporting device corresponding to the impeller head, so that the strip steel is not easy to deform in the process of impact of a descaling shot flow.
Drawings
FIG. 1 is a structural diagram of the acid-free descaling device for strip steel of the present invention;
FIG. 2 is a structural diagram of a positioning device of the strip steel acid-free descaling device of the utility model;
FIG. 3 is a structural diagram of a supporting device of the strip steel acid-free descaling device of the utility model;
FIG. 4 is a schematic diagram of the operation of the acid-free descaling device for strip steel of the present invention.
[ reference numerals ]
1. A first positioning device; 1A, a cover body; 1B, positioning rollers; 1C, a protective sleeve;
2. a first shot blasting descaling box;
3. a first support device; 3A, supporting rollers; 3B, supporting beams; 3C, an umbrella-shaped protective sleeve;
4. a second positioning device;
5. a first impeller;
6. a first pellet feed line;
7. a first pill box;
8. a third positioning device;
9. a second shot blasting descaling box;
10. a second impeller;
11. a fourth positioning device;
12. a second support device;
13. a second pellet feed line;
14. a second pill box;
15. a pickling tank;
16. a hydraulic cylinder;
17. a first support hydraulic cylinder;
18. a second support cylinder.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 4, an embodiment of the utility model provides a belted steel does not have acid descaling device of working angle adjustable, including first shot-blasting descaling box 2, be provided with first impeller 5 on first shot-blasting descaling box 2, first impeller 5 passes through first shot-material conveying pipe 6 and links to each other with first shot-material case 7, still be provided with first strutting arrangement 3 on first shot-blasting descaling box 2, first strutting arrangement 3 with first impeller 5 sets up in opposite directions; the front side and the rear side of the first shot blasting descaling box 2 are respectively provided with a first positioning device 1 and a second positioning device 4, the heights of the first positioning device 1 and the second positioning device 4 can be adjusted, and the included angle between the strip steel and the horizontal plane can be changed by adjusting the heights of the positioning devices 1 and the second positioning devices 4, so that the relative angle between shot material flow and the strip steel can be adjusted.
In this embodiment, the first positioning device 1 and the second positioning device 4 have the same structure and are symmetrically disposed on the front side and the rear side of the first shot blasting descaling box, as shown in fig. 2, the first positioning device 1 includes a positioning roller 1B, a cover body 1A is disposed on the outer side of the positioning roller 1B, a protective sleeve 1C is disposed on one side of the cover body 1A facing the first shot blasting descaling box 2, and the protective sleeve 1C is disposed between the cover body 1A and the first shot blasting descaling box 2 to protect the cover body 1A and the positioning roller 1B.
The bottom of the cover body 1A is provided with a height adjusting device which is a hydraulic cylinder 16, and the cover body 1A is connected with a piston of the hydraulic cylinder 16.
As shown in fig. 1, a first supporting hydraulic cylinder 17 is arranged on the first shot blasting descaling box 2, and the first supporting device 3 is connected with a piston of the first supporting hydraulic cylinder 17.
As shown in fig. 3, the first supporting device 3 includes a supporting beam 3B, and one end of the supporting beam 3B is connected to the piston of the first supporting hydraulic cylinder 17 and the other end is connected to the shaft of the supporting roller 3A.
The first support hydraulic cylinder 17 can be used for adjusting the position of the first support device 3, and the specific adjustment method is as follows: after the positions of the first positioning device 1 and the second positioning device 4 are adjusted, the first supporting device 3 is gradually pushed towards the strip steel through the first supporting hydraulic cylinder 17 until the supporting roller 3A contacts with the strip steel, and the adjustment is finished.
The first supporting device 3 further comprises an umbrella-shaped protective sleeve 3C, the umbrella-shaped protective sleeve 3C is in a conical surface shape, the supporting beam 3B is sleeved with the top of the conical surface, the first shot blasting descaling box 2 is connected with a generatrix of the conical surface, and the umbrella-shaped protective sleeve 3C has a protective effect on the first supporting device 3 and the first supporting hydraulic cylinder 17.
As shown in fig. 1, the first impeller 5 is arranged at the top of the first shot blasting descaling box 2 to complete the descaling operation of the upper surface of the strip steel, the first support hydraulic cylinder 17 is arranged at the bottom of the first shot blasting descaling box 2, the first support device 3 is located below the strip steel, and the axis of the first support device 3 coincides with the central line of the shot flow ejected by the first impeller 5.
In this embodiment, the strip steel acid-free descaling device further includes a second shot blasting descaling box 9, a third positioning device 8 and a fourth positioning device 11 are respectively disposed on two sides of the second shot blasting descaling box 9, and the structures of the third positioning device 8 and the fourth positioning device 11 are the same as those of the first positioning device 1 and the second positioning device 4.
As shown in fig. 1, the first positioning device 1, the first shot blasting descaling box 2, the second positioning device 4, the third positioning device 8, the second shot blasting descaling box 9 and the fourth positioning device 11 are sequentially arranged along the moving direction of the strip steel.
The second shot blasting descaling box 9 is provided with a second shot blasting device 10, the second shot blasting device 10 is connected with a second shot box 14 through a second shot conveying pipeline 13, the second shot blasting descaling box 9 is further provided with a second supporting device 12, and the second supporting device 12 and the second shot blasting device 10 are arranged in an opposite direction. The second supporting device 12 and the first supporting device 3 have the same structure, a second supporting hydraulic cylinder 18 is arranged on the second shot blasting descaling box 9, the second supporting device 12 is connected with a piston of the second supporting hydraulic cylinder 18, and the structure and the adjusting method of the second supporting device 12 are completely the same as those of the first supporting device 3.
As shown in fig. 1, the second impeller 10 is arranged at the bottom of the second shot blasting descaling box 9 to complete the descaling operation of the lower surface of the strip steel, the second support hydraulic cylinder 18 is arranged at the top of the second shot blasting descaling box 9, the second support device 12 is located above the strip steel, and the axis of the second support device 12 coincides with the central line of the shot flow ejected by the second impeller 10.
Wherein, the included angle between the shot material spraying direction of the first shot blasting device 5 and the horizontal plane is equal to the included angle between the shot material spraying direction of the second shot blasting device 10 and the horizontal plane.
As shown in fig. 4, the strip steel acid-free descaling device can be used in combination with the conventional pickling tank 15 on the production line, in addition to removing the scale layer on the surface of the strip steel by a single action, i.e., the scale layer with a certain proportion is removed by the strip steel acid-free descaling device, and the rest scale layer is removed by pickling in the pickling tank 15. Because the impact angle of the device is adjustable, the optimal descaling impact angle can be obtained through experiments by combining the requirements of a field process system, and the optimal descaling impact angle is set in the device, so that the descaling energy efficiency of pickling can be effectively improved, and the pickling cost is reduced.
In the scheme, the height-adjustable positioning devices are arranged in front of and behind the shot blasting descaling box of the strip steel acid-free descaling device, and the relative positions of the strip steel and the shot blasting device can be changed by adjusting the height of the positioning devices, so that the adjustment of the impact angle of the descaling shot flow is realized; the strip steel acid-free descaling device is provided with the supporting device corresponding to the impeller head, so that the strip steel is not easy to deform in the process of impact of a descaling shot flow; the strip steel acid-free descaling device is provided with two groups of shot blasting descaling boxes, can perform shot blasting descaling on the upper surface and the lower surface of the strip steel at the same time, and is high in working efficiency; the strip steel acid-free descaling device is simple in structure, adjustable in impact angle, high in adjustment precision, strong in adaptability and controllability, high in descaling speed and high in energy efficiency, and has wide market application potential.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A strip steel acid-free descaling device with an adjustable working angle comprises a first shot blasting descaling box, wherein the first shot blasting descaling box is provided with a first shot blasting device, and the first shot blasting device is connected with a first shot material box through a first shot material conveying pipeline; the shot blasting descaling device is characterized in that a first supporting device is further arranged on the first shot blasting descaling box, the first supporting device and the first shot blasting device are arranged in opposite directions, and the axis of the first supporting device is overlapped with the shot spraying direction of the first shot blasting device; the strip steel acid-free descaling device further comprises a first positioning device and a second positioning device, the first positioning device and the second positioning device are symmetrically arranged on the front side and the rear side of the first shot blasting descaling box, and the first positioning device and the second positioning device are adjustable in height and identical in structure.
2. The strip steel acid-free descaling device with the adjustable working angle according to claim 1, wherein the first supporting device comprises a supporting beam, and a first end of the supporting beam is provided with a supporting roller; and a first supporting hydraulic cylinder is arranged on the first shot blasting descaling box, and the second end of the supporting beam is connected with a piston of the first supporting hydraulic cylinder.
3. The strip steel acid-free descaling device with the adjustable working angle according to claim 2, wherein the first supporting device further comprises an umbrella-shaped protective sleeve, the umbrella-shaped protective sleeve is in a conical surface shape, the vertex of the conical surface is sleeved on the supporting beam, and the generatrix of the conical surface is connected with the first shot blasting descaling box.
4. The strip steel acid-free descaling device with the adjustable working angle according to claim 1, wherein the first positioning device comprises a positioning roller, a cover body is arranged on the outer side of the positioning roller, and a height adjusting device is arranged at the bottom of the cover body.
5. The strip steel acid-free descaling device with the adjustable working angle according to claim 4, wherein the height adjusting device is a hydraulic cylinder, and the cover body is connected with a piston of the hydraulic cylinder.
6. The strip steel acid-free descaling device with the adjustable working angle according to claim 4, wherein a protective sleeve is arranged on one side of the cover body facing the first shot blasting descaling box.
7. The strip steel acid-free descaling device with the adjustable working angle according to any one of claims 1 to 6, characterized by further comprising a second shot blasting descaling box, wherein a third positioning device and a fourth positioning device are respectively arranged at the front side and the rear side of the second shot blasting descaling box;
a second shot blasting device and a second supporting device are arranged on the second shot blasting descaling box, the second supporting device and the second shot blasting device are arranged in opposite directions, and the axis of the second supporting device is overlapped with the shot spraying direction of the second shot blasting device;
the first impeller is arranged at the top of the first shot blasting descaling box, and the second impeller is arranged at the bottom of the second shot blasting descaling box.
8. The strip steel acid-free descaling device with the adjustable working angle according to claim 7, wherein the first positioning device, the first shot blasting descaling box, the second positioning device, the third positioning device, the second shot blasting descaling box and the fourth positioning device are sequentially arranged along the moving direction of the strip steel.
9. The strip steel acid-free descaling device with the adjustable working angle according to claim 8, wherein the included angle between the shot spraying direction of the first shot blasting machine and the horizontal plane is equal to the included angle between the shot spraying direction of the second shot blasting machine and the horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022802941.0U CN214237748U (en) | 2020-11-27 | 2020-11-27 | Working angle adjustable strip steel acid-free descaling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022802941.0U CN214237748U (en) | 2020-11-27 | 2020-11-27 | Working angle adjustable strip steel acid-free descaling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214237748U true CN214237748U (en) | 2021-09-21 |
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ID=77735022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022802941.0U Active CN214237748U (en) | 2020-11-27 | 2020-11-27 | Working angle adjustable strip steel acid-free descaling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214237748U (en) |
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- 2020-11-27 CN CN202022802941.0U patent/CN214237748U/en active Active
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