Oil injection cleaning device capable of reducing pressing-in of aluminum powder of cold rolling mill
By installing an oil injection cleaning device in the cold rolling mill, the problems of aluminum powder before rolling of aluminum plates are solved, and the aluminum powder on the surface of aluminum plates is completely removed, the rolling quality is improved, and it is suitable for aluminum plates of different widths.
Patent Information
- Application Number
- CN202421289282.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-06
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-06-06
AI Technical Summary
When rolling the aluminum plate in the cold rolling mill, there is a lot of aluminum powder on the surface of the aluminum plate, resulting in aluminum powder printing on the surface of the rolled aluminum plate, resulting in mass defects.
An oil injection cleaning device is designed, including three oil injection structures located at the inlet of the aluminum plate to remove aluminum powder from the surface of the aluminum plate before rolling. The upper oil injection structure injects oil to the upper surface of the aluminum plate, and the lower two oil injection structures inject oil to the lower surface of the aluminum plate to ensure the complete removal of aluminum powder on the surface of the aluminum plate.
Through the use of the oil injection cleaning device, the occurrence of aluminum powder printing is effectively avoided, the rolling quality of the aluminum plate is improved, and the injection range is adjusted according to the width of the aluminum plate, which is suitable for aluminum plates of different widths.
Smart Images
Figure CN222679120U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an oil spraying device for reducing the pressure-in of aluminum powder in a cold rolling mill. Background Art
[0002] When the rolling mill is rolling aluminum plates, some of the aluminum plates that need to be rolled have more aluminum powder on their surfaces. If there is aluminum powder on the surface of the aluminum plates during rolling, aluminum powder prints will appear on the surface of the aluminum plates after rolling, causing quality defects of the aluminum plates. Utility Model Content
[0003] The utility model improves the above-mentioned problem, that is, the technical problem to be solved by the utility model is an oil spray cleaning device for reducing the pressure of aluminum powder in a cold rolling mill. The aluminum powder on the surface of the aluminum plate is eliminated through the oil spray structure before the aluminum plate is rolled, thereby preventing quality defects of the rolled aluminum plate and improving the quality of the product.
[0004] The utility model is constructed as follows: it includes three oil injection structures arranged at the aluminum plate feeding port of the rolling mill, one of which is located above the aluminum plate, and the other two are distributed on both sides below the aluminum plate. The oil injection structure includes an oil injection main pipe, and five oil injection chambers are arranged in the oil injection main pipe. Each oil injection chamber is respectively provided with an oil nozzle and an oil inlet on the upper and lower sides.
[0005] Furthermore, the fuel injection main pipe includes a first branch pipe, a second branch pipe, a third branch pipe, a fourth branch pipe and a fifth branch pipe, a first closed plug is arranged between the first branch pipe and the second branch pipe, and between the fourth branch pipe and the fifth branch pipe, a second closed plug is arranged at the outer end of the first branch pipe and the fifth branch pipe, a first fuel injection chamber is formed between the first branch pipe, the second closed plug and the first closed plug, a second fuel injection chamber is formed between the fifth branch pipe, the second closed plug and the first closed plug, a first fuel injection nozzle is arranged above the first fuel injection chamber and the second fuel injection chamber, the first fuel injection chamber and the second fuel injection chamber are connected via a connecting pipe, and a first fuel inlet is arranged below the connecting pipe.
[0006] Furthermore, a third closed plug is provided between the second branch pipe and the third branch pipe, and between the third branch pipe and the fourth branch pipe, a connecting pipeline is provided in the middle of the third branch pipe, two ends of the connecting pipeline respectively pass through two third closed plugs and are connected with the second branch pipe and the third branch pipe respectively, a third fuel injection chamber is formed between the second branch pipe, the first closed plug and the third closed plug, a fourth fuel injection chamber is formed between the fourth branch pipe, the first closed plug and the third closed plug, the third fuel injection chamber is connected with the fourth fuel injection chamber via the connecting pipeline, a second fuel injection nozzle is provided above the third fuel injection chamber and the fourth fuel injection chamber, and a second fuel inlet is provided below the third fuel injection chamber or the fourth fuel injection chamber.
[0007] Furthermore, a fifth fuel injection chamber is formed between the inner wall of the third branch pipe, the outer wall of the connecting pipeline, and the two third closed plugs. Two third fuel injection nozzles are arranged above the fifth fuel injection chamber, and a third fuel inlet is arranged below the fifth fuel injection chamber.
[0008] Furthermore, the connecting pipe includes a horizontal pipe, and the input ends of the first fuel injection chamber and the second fuel injection chamber are both provided with vertical pipes, and both ends of the horizontal pipe are respectively connected to the corresponding vertical pipes via elbows.
[0009] Furthermore, the fuel injection nozzle of the upper fuel injection structure faces downward, and the fuel injection nozzle of the lower fuel injection structure faces upward.
[0010] Compared with the prior art, the utility model has the following beneficial effects: the device has a simple structure, reasonable design, and is easy to use. The aluminum plate is input by the rolling mill. Before the rolling mill rolls the aluminum plate, the aluminum powder on the surface of the aluminum plate needs to be removed. The oil spraying structure located at the top sprays oil on the upper surface of the aluminum plate to remove the aluminum powder on the upper surface of the aluminum plate. The two oil spraying structures located at the bottom spray oil on the lower surface of the aluminum plate to remove the aluminum powder on the lower surface of the aluminum plate, thereby ensuring that the aluminum powder on the upper and lower surfaces of the aluminum plate is removed and the rolling quality of the aluminum plate is ensured. In addition, the device can be used for each aluminum plate according to its width. The spray range of the fuel injector can be adjusted, and can be divided into three gears according to the width of the aluminum plate. In the first gear, only two first fuel injectors need to be started for spraying, forming a first spray range of the first fuel injector; in the second gear, two second fuel injectors and two first fuel injectors are started at the same time, forming a second spray range where the first fuel injector and the second fuel injector are superimposed; in the third gear, a third spray range is formed by two first fuel injectors, two second fuel injectors, and two third fuel injectors; the first spray range of the first gear is the smallest, the second spray range of the second gear is larger, and the third spray range of the third gear is the largest. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 The overall structure of the embodiment of the utility model is shown in FIG. Figure 1 ;
[0012] Figure 2 The fuel injection structure of the utility model embodiment is shown in FIG. Figure 1 ;
[0013] Figure 3 The fuel injection structure of the utility model embodiment is shown in FIG. Figure 2 ;
[0014] Figure 4 for Figure 3 Partial magnification Figure 1 ;
[0015] Figure 5 for Figure 3 Partial magnification Figure 2 ;
[0016] Figure 6 for Figure 3 Partial magnification Figure 3 ;
[0017] Figure 7 Another embodiment of the utility model is shown in FIG. Figure 2 . DETAILED DESCRIPTION
[0018] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0019] Example: Figures 1 to 7 As shown, in this embodiment, an oil spray cleaning device for reducing the pressure of aluminum powder in a cold rolling mill is provided, including three oil spray structures 10 arranged at the aluminum plate feeding port of the rolling mill. Before the aluminum plate 20 enters the rolling mill for rolling, the aluminum powder on the surface of the aluminum plate needs to be sprayed with oil to be removed, so as to avoid the aluminum powder remaining on the surface of the aluminum plate to form an aluminum powder mark after rolling; the three oil spray structures, one of which is located above the aluminum plate, sprays oil on the upper surface of the aluminum plate to wash away the aluminum powder on the upper surface of the aluminum plate, and the other two oil spray structures are distributed on both sides below the aluminum plate, spray oil on the lower surface of the aluminum plate to wash away the aluminum powder on the lower surface of the aluminum plate, and the oil spray structure 10 includes an oil spray main pipe 100, and five oil spray chambers 30 are arranged in the oil spray main pipe, and each oil spray chamber is provided with an oil spray nozzle 40 and an oil inlet 50 on the upper and lower sides, respectively.
[0020] In the embodiment of the utility model, the fuel injection main pipe 100 includes a first branch pipe 101, a second branch pipe 102, a third branch pipe 103, a fourth branch pipe 104 and a fifth branch pipe 105, a first closed plug 106 is arranged between the first branch pipe and the second branch pipe, and between the fourth branch pipe and the fifth branch pipe, a second closed plug 107 is arranged at the outer end of the first branch pipe and the fifth branch pipe, a first fuel injection chamber 301 is formed between the first branch pipe, the second closed plug and the first closed plug, a second fuel injection chamber 302 is formed between the fifth branch pipe, the second closed plug and the first closed plug, a first fuel injection nozzle 401 is arranged above the first fuel injection chamber and the second fuel injection chamber, the first fuel injection chamber and the second fuel injection chamber are connected via a connecting pipe 108, and a first fuel inlet 501 is arranged below the connecting pipe.
[0021] In the embodiment of the utility model, a third closed plug 109 is provided between the second branch pipe and the third branch pipe, and between the third branch pipe and the fourth branch pipe, a connecting pipe 110 is provided in the middle of the third branch pipe, two third closed plugs are passed through the two ends of the connecting pipe to be connected with the second branch pipe and the third branch pipe respectively, a through hole for the connecting pipe to pass through is provided in the middle of the third closed plug, and the cross-section of the third closed plug is annular, a third injection chamber 303 is formed between the second branch pipe, the first closed plug and the third closed plug, a fourth injection chamber 304 is formed between the fourth branch pipe, the first closed plug and the third closed plug, the third injection chamber is connected with the fourth injection chamber via the connecting pipe 110, a second injection nozzle 402 is provided above the third injection chamber and the fourth injection chamber, and a second oil inlet 502 is provided below the third injection chamber or the fourth injection chamber.
[0022] In an embodiment of the utility model, a fifth fuel injection chamber 305 is formed between the inner wall of the third branch pipe, the outer wall of the connecting pipeline, and the two third closed plugs. Two third fuel injection nozzles 403 are arranged above the fifth fuel injection chamber, and a third fuel inlet 503 is arranged below the fifth fuel injection chamber.
[0023] In the embodiment of the utility model, the connecting pipe 108 includes a horizontal pipe 111, and the input ends of the first injection chamber and the second injection chamber are both provided with vertical pipes 112, and the two ends of the horizontal pipe are respectively connected to the corresponding vertical pipes through elbows 113.
[0024] In the embodiment of the utility model, the fuel injection nozzle of the fuel injection structure located at the top faces downward, and the fuel injection nozzle of the fuel injection structure located at the bottom faces upward.
[0025] In the embodiment of the utility model, the rolling mill includes three working rolls 60, the oil spraying structure is arranged beside the three working rolls, the three working rolls include an upper working roll and two lower working rolls, the upper working roll can be raised and lowered, and the oil spraying structure located above is also raised and lowered synchronously, the lower working roll is kept in a fixed position, and the aluminum plate 20 is transported through the three working rolls;
[0026] In another embodiment of the utility model, an oil collecting tank 70 is provided under the aluminum plate, and the oil collecting tank is connected to an external filtering device 80 and an oil supply tank 90 in sequence through pipelines. The filtering device can adopt an existing filtering device, such as a filter. A reflux pump can be provided on the pipeline. The oil containing aluminum powder is collected, and the oil after the aluminum powder impurities are filtered out by the filtering device is pumped back to the oil supply tank by the reflux pump, and is repeatedly provided to the injection structure for use.
[0027] In an embodiment of the utility model, two third fuel injectors are symmetrically arranged, two second fuel injectors are symmetrically arranged, and two first fuel injectors are symmetrically arranged; the device can adjust the spray range of the fuel injector according to the width of the aluminum plate, and can be divided into three gears according to the width of the aluminum plate. In the first gear, only two first fuel injectors need to be started for spraying to form a first spray range of the first fuel injector; in the second gear, two second fuel injectors and two first fuel injectors are started at the same time to form a second spray range in which the first fuel injectors and the second fuel injectors are superimposed; in the third gear, a third spray range is formed by two first fuel injectors, two second fuel injectors, and two third fuel injectors; the first spray range of the first gear is the smallest, the second spray range of the second gear is larger, and the third spray range of the third gear is the largest.
[0028] When the first injection nozzle is started, oil is transported to the fifth injection chamber through the first oil inlet; when the second injection nozzle is started, oil is transported to the third and fourth injection chambers through the second oil inlet; when the third injection nozzle is started, oil is transported to the first and second injection chambers through the third oil inlet. When adjusting the injection range of the injection nozzle, the first injection nozzle can be started alone, the first and second injection nozzles can be started at the same time, or the first, second and third injection nozzles can be started at the same time, so as to adjust the injection range according to the different widths of the aluminum plate.
[0029] Adjacent fuel injection nozzles have overlapping spraying ranges, thereby ensuring that the entire surface of the aluminum plate can be sprayed.
[0030] In the embodiment of the utility model, during operation, the aluminum plate is input by the rolling mill. Before the rolling mill rolls the aluminum plate, the aluminum powder on the surface of the aluminum plate needs to be removed. The oil spraying structure located at the top sprays oil on the upper surface of the aluminum plate to remove the aluminum powder on the upper surface of the aluminum plate, and the two oil spraying structures located at the bottom spray oil on the lower surface of the aluminum plate to remove the aluminum powder on the lower surface of the aluminum plate. In addition, the oil spraying range can be adjusted according to the width of the aluminum plate.
[0031] Unless otherwise stated, any technical solution disclosed in the above utility model, if it discloses a numerical range, then the disclosed numerical range is a preferred numerical range. Any technician in the field should understand that the preferred numerical range is only a numerical value with a more obvious technical effect or representative value among many feasible numerical values. Since there are too many numerical values to be exhaustive, the utility model discloses only some numerical values to illustrate the technical solution of the utility model, and the numerical values listed above should not constitute a limitation on the scope of protection of the utility model.
[0032] If the words "first", "second" and so on are used in this article to limit components, those skilled in the art should know that the use of "first" and "second" is only for the convenience of description to distinguish the components. Unless otherwise stated, the above words have no special meaning.
[0033] At the same time, if the above-mentioned utility model discloses or involves components or structural parts that are fixedly connected to each other, then, unless otherwise stated, the fixed connection can be understood as: a detachable fixed connection (for example, connected by bolts or screws), and can also be understood as: a non-detachable fixed connection (for example, riveting, welding). Of course, the mutual fixed connection can also be replaced by an integrated structure (for example, manufactured by one-piece molding using a casting process) (except when it is obviously impossible to use an one-piece molding process).
[0034] In addition, unless otherwise stated, the terms used to indicate positional relationships or shapes in any of the technical solutions disclosed in the above utility model include states or shapes that are approximate, similar or close thereto.
[0035] Any component provided by the utility model can be assembled from multiple separate components, or can be a separate component manufactured by an integrated molding process.
[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the utility model can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the utility model, which should be included in the scope of the technical solution for protection of the utility model.
Claims
1. An oil spray cleaning device for reducing the pressure of aluminum powder in a cold rolling mill, characterized in that: It includes three oil injection structures arranged at the aluminum plate feeding port of the rolling mill, one of which is located above the aluminum plate, and the other two are distributed on both sides below the aluminum plate. The oil injection structure includes an oil injection main pipe, and five oil injection chambers are arranged in the oil injection main pipe. Each oil injection chamber is respectively provided with an oil nozzle and an oil inlet on the top and bottom.
2. The oil spray cleaning device for reducing aluminum powder pressure in a cold rolling mill according to claim 1, characterized in that: The fuel injection main pipe includes a first branch pipe, a second branch pipe, a third branch pipe, a fourth branch pipe and a fifth branch pipe. A first closed plug is arranged between the first branch pipe and the second branch pipe, and between the fourth branch pipe and the fifth branch pipe. A second closed plug is arranged at the outer end of the first branch pipe and the fifth branch pipe. A first fuel injection chamber is formed between the first branch pipe, the second closed plug and the first closed plug. A second fuel injection chamber is formed between the fifth branch pipe, the second closed plug and the first closed plug. A first fuel injection nozzle is arranged above the first fuel injection chamber and the second fuel injection chamber. The first fuel injection chamber and the second fuel injection chamber are connected via a connecting pipe. A first fuel inlet is arranged below the connecting pipe.
3. The oil spray cleaning device for reducing aluminum powder pressure in a cold rolling mill according to claim 2, characterized in that: A third closed plug is provided between the second branch pipe and the third branch pipe, and between the third branch pipe and the fourth branch pipe. A connecting pipeline is provided in the middle of the third branch pipe. Two ends of the connecting pipeline pass through two third closed plugs respectively and are connected with the second branch pipe and the third branch pipe respectively. A third fuel injection chamber is formed between the second branch pipe, the first closed plug and the third closed plug. A fourth fuel injection chamber is formed between the fourth branch pipe, the first closed plug and the third closed plug. The third fuel injection chamber is connected with the fourth fuel injection chamber via a connecting pipeline. Second fuel injection nozzles are provided above the third fuel injection chamber and the fourth fuel injection chamber, and a second fuel inlet is provided below the third fuel injection chamber or the fourth fuel injection chamber.
4. The oil spray cleaning device for reducing aluminum powder pressure in a cold rolling mill according to claim 3, characterized in that: A fifth fuel injection chamber is formed between the inner wall of the third branch pipe, the outer wall of the connecting pipeline, and the two third closed plugs. Two third fuel injection nozzles are arranged above the fifth fuel injection chamber, and a third fuel inlet is arranged below the fifth fuel injection chamber.
5. The oil spray cleaning device for reducing aluminum powder pressure in a cold rolling mill according to claim 2, characterized in that: The connecting pipe includes a horizontal pipe, and the input ends of the first fuel injection chamber and the second fuel injection chamber are both provided with vertical pipes, and the two ends of the horizontal pipe are respectively connected to the corresponding vertical pipes through elbows.
6. The oil spray cleaning device for reducing aluminum powder pressure in a cold rolling mill according to claim 1, characterized in that: The fuel injection nozzle of the upper fuel injection structure faces downward, and the fuel injection nozzle of the lower fuel injection structure faces upward.