Oil removing device with position-variable air knife

Abstract

The oil removing device comprises an upper machine shell, the cross section of the upper machine shell is rectangular, the bottom of the upper machine shell is provided with an opening, an upper wringing roller base with the cross section in a door shape is arranged in the upper machine shell, the side walls of the upper wringing roller base are attached to the inner wall of the upper machine shell, the opposite side walls in the upper wringing roller base are connected with upper wringing rollers, and the upper wringing rollers are connected with the upper wringing roller base. A first air knife unit is arranged on the outer wall, close to the upper wringing roller, of the upper machine shell, the first air knife unit penetrates through the side wall of the upper shell and is connected with an upper wringing roller seat, a lower machine shell with a rectangular cross section and an opening is arranged at the bottom of the upper machine shell, a door-shaped lower wringing roller seat is arranged in the lower machine shell, and a lower wringing roller is connected in the lower wringing roller seat; the outer wall of the lower machine shell is fixedly connected with a second air knife unit, the upper wringing roller seat is connected with a driving unit close to the top of the upper machine shell, and the technical problems that in the prior art, due to the fact that an air knife of an oil removing machine is fixedly installed, distance adjustment is not flexible, and belt penetrating safety and the blowing effect are affected are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel rolling equipment, and specifically relates to an oil removal device with variable air knife position. Background Art

[0002] With the continuous advancement of the technology of single-stand reversible cold rolling mills, the front-end and rear-end oil removal devices, as key configurations, are essential to ensure the quality of strip surface treatment. The front-end oil removal device, located on the entrance and exit sides of the rolling mill arch, is designed to provide precise pretreatment for the strip to ensure its quality during the rolling process. The main components include centering guides, X-ray thickness gauges, steering and guiding devices, and squeeze-out devices. The centering guides ensure that the strip is accurately aligned to avoid deviation; the X-ray thickness gauge monitors the strip thickness in real time and provides data support for the rolling process; the steering and guiding device guides the strip into the rolling mill and performs necessary steering and speed measurement; the squeeze-out device removes liquid from the strip surface during the rolling process to keep the strip clean.

[0003] The post-mill degreasing device is located on the exit side of the rolling mill arch. Its design is similar to that of the pre-mill device, but its functions have been expanded. In addition to continuing surface treatment, such as X-ray thickness gauge, steering and guiding device, and squeezing device, the post-mill device also adds hydraulic shears for shearing the edge of the strip, handling defects or cutting; the frame-type squeezing device allows the strip to pass in an S shape, which helps to stabilize and flatten the strip; the air knife device is used to blow away residual liquid on the surface of the strip to improve cleanliness. Although the post-mill device is designed to improve the final quality of the strip, in actual applications, it may be affected by factors such as space limitations, equipment accuracy, and operating efficiency.

[0004] Although the existing technology has solved the problems of low efficiency, production impact, high cost, etc. in the degreasing process of traditional steel processing rolling mills, the air knife is still fixed on the degreasing machine frame. In actual use, the distance between the air knife and the strip is difficult to flexibly adjust. If it is too close to the strip, the strip will hit the air knife. If it is too far away from the strip, it will not have a purging effect, resulting in poor applicability. This has become a technical problem that needs to be solved urgently. Utility Model Content

[0005] The purpose of the utility model is to provide an oil removal device with variable air knife position, which solves the technical problem in the prior art that the air knife of the oil removal machine is fixedly installed, resulting in inflexible distance adjustment and affecting the safety of belt threading and the purging effect.

[0006] The technical scheme adopted by the utility model is: an oil removal device with variable air knife position, comprising an upper casing 1, the upper casing 1 has a rectangular cross section and an opening at the bottom, an upper squeeze roller seat 2 with a "door"-shaped cross section is arranged in the upper casing 1, the side walls of the upper squeeze roller seat 2 are all in contact with the inner wall of the upper casing 1, the upper squeeze rollers 3 are connected to the opposite side walls in the upper squeeze roller seat 2, the outer wall of the upper casing 1 close to the upper squeeze roller 3 is provided with a first air knife unit 4, two first air knife units 4 penetrate the side wall of the upper casing 1 and are connected to the upper squeeze roller seat 2; a lower casing 5 with a rectangular cross section and an opening is arranged at the bottom of the upper casing 1, the opening of the lower casing 5 is arranged opposite to the opening of the upper casing 1, a lower squeeze roller seat 6 with a "door"-shaped cross section is arranged in the lower casing 5, the lower squeeze rollers 7 are connected to the opposite side walls in the lower squeeze roller seat 6, a second air knife unit 8 is fixedly connected to the outer wall of the lower casing 5, and the upper squeeze roller seat 2 is connected to a driving unit 9 close to the top of the upper casing 1.

[0007] The utility model is also characterized in that:

[0008] The side walls of the upper housing 1 close to the upper squeeze roller seat 2 are provided with rectangular vertical holes 10 , and the vertical holes 10 cooperate with the first air knife unit 4 .

[0009] The first wind knife unit 4 includes a first support plate 401, one end of the first support plate 401 is connected to the upper squeezing roller 3, the other end of the first support plate 401 passes through the vertical hole 10 and is connected to the first wind knife support 402, the first wind knife support 402 is connected to the first wind knife 403 near the surface of the lower shell 5, the first wind knife support 402 is connected to the first metal hose 404 away from the first support plate 401, the first metal hose 404 is connected to the first through body 405, and the first through body 405 is fixedly connected to the outer wall of the upper shell 1.

[0010] The second wind knife unit 8 includes a second wind knife support 801, one end of the second wind knife support 801 is connected to the lower casing 5, the other end of the second wind knife support 801 is connected to the second wind knife 802, the second wind knife support 801 is connected to the second metal hose 803 away from the lower casing 5, the second metal hose 803 is connected to the second through body 804, and the second through body 804 is fixedly connected to the outer wall of the lower casing 5.

[0011] The driving unit 9 includes a hydraulic rod 901 , which penetrates the upper housing 1 and is fixedly connected to the end surface of the upper squeeze roller seat 2 . The other end of the hydraulic rod 901 is connected to a pressing cylinder 902 , which is in contact with the upper housing 1 .

[0012] The beneficial effects of the utility model are as follows: the wind knife in the utility model can be adjusted as the position of the upper squeezing roller changes, thereby improving the flexibility of the wind knife position, being able to effectively solve the distance adjustment problem caused by the fixed position of the wind knife, improving the safety of belt threading and the blowing effect, and enhancing the applicability and oil removal effect of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of an oil removal device with variable air knife position.

[0014] In the figure, 1. upper housing, 2. upper squeeze roller seat, 3. upper squeeze roller, 4. first air knife unit, 401. first support plate, 402. first air knife support, 403. first air knife, 404. first metal hose, 405. first body, 5. lower housing, 6. lower squeeze roller seat, 7. lower squeeze roller, 8. second air knife unit, 801. second air knife support, 802. second air knife, 803. second metal hose, 804. second body, 9. drive unit, 901. hydraulic rod, 902. pressing cylinder, 10. vertical hole DETAILED DESCRIPTION

[0015] The utility model provides an oil removal device with variable air knife position, such as Figure 1 As shown, it includes an upper casing 1, which has a rectangular cross-section and an opening at the bottom, an upper squeezing roller seat 2 with a "door"-shaped cross-section is arranged in the upper casing 1, and the side walls of the upper squeezing roller seat 2 are all in contact with the inner wall of the upper casing 1, and the upper squeezing rollers 3 are connected to the opposite side walls in the upper squeezing roller seat 2, and the outer wall of the upper casing 1 close to the upper squeezing roller 3 is provided with a first wind knife unit 4, and two first wind knife units 4 penetrate the side wall of the upper casing 1 and are connected to the upper squeezing roller seat 2; a lower casing 5 with a rectangular cross-section and an opening is arranged at the bottom of the upper casing 1, and the opening of the lower casing 5 is arranged opposite to the opening of the upper casing 1, a lower squeezing roller seat 6 with a "door"-shaped cross-section is arranged in the lower casing 5, and the lower squeezing rollers 7 are connected to the opposite side walls in the lower squeezing roller seat 6, and a second wind knife unit 8 is fixedly connected to the outer wall of the lower casing 5, and the upper squeezing roller seat 2 is connected to a driving unit 9 close to the top of the upper casing 1.

[0016] The side walls of the upper housing 1 close to the upper squeeze roller seat 2 are provided with rectangular vertical holes 10 , and the vertical holes 10 cooperate with the first air knife unit 4 .

[0017] The first wind knife unit 4 includes a first support plate 401, one end of the first support plate 401 is connected to the upper squeezing roller 3, the other end of the first support plate 401 passes through the vertical hole 10 and is connected to the first wind knife support 402, the first wind knife support 402 is connected to the first wind knife 403 near the surface of the lower shell 5, the first wind knife support 402 is connected to the first metal hose 404 away from the first support plate 401, the first metal hose 404 is connected to the first through body 405, and the first through body 405 is fixedly connected to the outer wall of the upper shell 1.

[0018] The second wind knife unit 8 includes a second wind knife support 801, one end of the second wind knife support 801 is connected to the lower casing 5, the other end of the second wind knife support 801 is connected to the second wind knife 802, the second wind knife support 801 is connected to the second metal hose 803 away from the lower casing 5, the second metal hose 803 is connected to the second through body 804, and the second through body 804 is fixedly connected to the outer wall of the lower casing 5.

[0019] The driving unit 9 includes a hydraulic rod 901 , which penetrates the upper housing 1 and is fixedly connected to the end surface of the upper squeeze roller seat 2 . The other end of the hydraulic rod 901 is connected to a pressing cylinder 902 , which is in contact with the upper housing 1 .

[0020] The working principle of the oil removal device with variable air knife position of the utility model is as follows: firstly, the material to be processed is placed at the feed inlet of the oil removal device with variable air knife position, that is, Figure 1 The leftmost side of the squeeze roller seat 2 and the lower squeeze roller seat 7 are ensured to be in the open state. At this time, the upper squeeze roller 3 is in the raised state so that the material can enter smoothly;

[0021] At this time, the material enters the oil removal device with variable air knife position. At this time, the upper squeezing roller 3 begins to descend under the drive of the pressing cylinder 902 and gradually approaches the lower squeezing roller 7. When the upper squeezing roller 3 contacts the lower squeezing roller 7 and applies appropriate pressure, the material is clamped between the upper squeezing roller 3 and the lower squeezing roller 7. At this time, the upper squeezing roller 3 and the lower squeezing roller 7 begin to squeeze the material to remove the oil and other liquids on the surface of the material. At the same time, the first air knife unit 4 and the second air knife unit 8 start to work, and the residual oil and other liquids on the material are further cleaned by blowing wind. While the material is squeezed and purged by the air knife, the material is gradually transported out of the oil removal device with variable air knife position. During the material transportation process, the first air knife 403 moves synchronously with the movement of the upper squeezing roller to ensure the purging effect; after completing one squeezing and purging process, the upper squeezing roller 3 is driven to lift up by the pressing cylinder 902 to prepare for the next feeding.

[0022] Example 1

[0023] The oil removal device with variable air knife position comprises an upper casing 1, the upper casing 1 has a rectangular cross section and an opening at the bottom, an upper squeezing roller seat 2 with a "door"-shaped cross section is arranged in the upper casing 1, the side walls of the upper squeezing roller seat 2 are all in contact with the inner wall of the upper casing 1, and the upper squeezing rollers 3 are connected to the opposite side walls in the upper squeezing roller seat 2, a first air knife unit 4 is arranged on the outer wall of the upper casing 1 close to the upper squeezing roller 3, the first air knife unit 4 penetrates the side wall of the upper casing 1 and is connected to the upper squeezing roller seat 2; a lower casing 5 with a rectangular cross section and an opening is arranged at the bottom of the upper casing 1, the opening of the lower casing 5 is arranged opposite to the opening of the upper casing 1, a lower squeezing roller seat 6 with a "door"-shaped cross section is arranged in the lower casing 5, the lower squeezing rollers 7 are connected to the opposite side walls in the lower squeezing roller seat 6, and the lower casing 5 A second wind knife unit 8 is fixedly connected to the outer wall, and the upper squeezing roller seat 2 is connected to a driving unit 9 near the top of the upper casing 1; the side walls of the upper casing 1 near the upper squeezing roller seat 2 are provided with rectangular vertical holes 10, and the vertical holes 10 cooperate with the first wind knife unit 4; the first wind knife unit 4 includes a first support plate 401, one end of the first support plate 401 is connected to the upper squeezing roller 3, and the other end of the first support plate 401 is connected to the first wind knife support 402 after passing through the vertical hole 10, the first wind knife support 402 is connected to the first wind knife 403 near the surface of the lower casing 5, and the first wind knife support 402 is connected to the first metal hose 404 away from the first support plate 401, the first metal hose 404 is connected to the first through body 405, and the first through body 405 is fixed to the outer wall of the upper casing 1.

[0024] Example 2

[0025] The oil removal device with variable air knife position comprises an upper casing 1, the upper casing 1 has a rectangular cross section and an opening at the bottom, an upper squeeze roller seat 2 with a "door"-shaped cross section is arranged inside the upper casing 1, the side walls of the upper squeeze roller seat 2 are all in contact with the inner wall of the upper casing 1, the upper squeeze rollers 3 are connected to the opposite side walls inside the upper squeeze roller seat 2, a first air knife unit 4 is arranged on the outer wall of the upper casing 1 close to the upper squeeze roller 3, and the first air knife unit 4 penetrates the side wall of the upper casing 1 and is connected to the upper squeeze roller seat 2; The bottom of the upper housing 1 is provided with a lower housing 5 with a rectangular cross section and an opening. The opening of the lower housing 5 is arranged opposite to the opening of the upper housing 1. A "door"-shaped lower squeeze roller seat 6 is provided in the lower housing 5. The opposite side walls in the lower squeeze roller seat 6 are connected to lower squeeze rollers 7. The outer wall of the lower housing 5 is fixedly connected to a second air knife unit 8. The upper squeeze roller seat 2 is connected to a driving unit 9 near the top of the upper housing 1. The side walls of the upper housing 1 near the upper squeeze roller seat 2 are provided with rectangular vertical holes 10. The vertical holes 10 cooperates with the first wind knife unit 4; the first wind knife unit 4 includes a first support plate 401, one end of the first support plate 401 is connected to the upper squeeze roller 3, the other end of the first support plate 401 passes through the vertical hole 10 and is connected to the first wind knife support 402, the first wind knife support 402 is connected to the first wind knife 403 near the surface of the lower housing 5, the first wind knife support 402 is connected to the first metal hose 404 away from the first support plate 401, and the first metal hose 404 is connected to the first A through body 405, the first through body 405 is fixedly connected to the outer wall of the upper casing 1, the second wind knife unit 8 includes a second wind knife support 801, one end of the second wind knife support 801 is connected to the lower casing 5, the other end of the second wind knife support 801 is connected to the second wind knife 802, the second wind knife support 801 is connected to the second metal hose 803 away from the lower casing 5, the second metal hose 803 is connected to the second through body 804, and the second through body 804 is fixedly connected to the outer wall of the lower casing 5.

[0026] Example 3

[0027] The oil removal device with variable air knife position comprises an upper casing 1, the upper casing 1 has a rectangular cross section and an opening at the bottom, an upper squeeze roller seat 2 with a "door"-shaped cross section is arranged inside the upper casing 1, the side walls of the upper squeeze roller seat 2 are all in contact with the inner wall of the upper casing 1, the upper squeeze rollers 3 are connected to the opposite side walls inside the upper squeeze roller seat 2, a first air knife unit 4 is arranged on the outer wall of the upper casing 1 near the upper squeeze roller 3, the first air knife unit 4 penetrates the side wall of the upper casing 1 and is connected to the upper squeeze roller seat 2; the bottom of the upper casing 1 is provided with a rectangular cross section with an opening The lower housing 5 is open and arranged opposite to the upper housing 1. A "door"-shaped lower squeeze roller seat 6 is arranged inside the lower housing 5. The lower squeeze rollers 7 are connected to the opposite side walls inside the lower squeeze roller seat 6. A second air knife unit 8 is fixedly connected to the outer wall of the lower housing 5. The upper squeeze roller seat 2 is connected to a driving unit 9 near the top of the upper housing 1. The side walls of the upper housing 1 near the upper squeeze roller seat 2 are all provided with rectangular vertical holes 10, and the vertical holes 10 cooperate with the first air knife unit 4. The first air knife unit 4 includes a first support plate 401, and the first support plate 40 1 is connected to the upper squeeze roller 3, the other end of the first support plate 401 passes through the vertical hole 10 and is connected to the first wind knife support 402, the first wind knife support 402 is connected to the first wind knife 403 near the surface of the lower housing 5, the first wind knife support 402 is connected to the first metal hose 404 away from the first support plate 401, the first metal hose 404 is connected to the first through body 405, the first through body 405 is fixedly connected to the outer wall of the upper housing 1, the second wind knife unit 8 includes a second wind knife support 801, one end of the second wind knife support 801 It is connected to the lower casing 5, and the other end of the second wind knife support 801 is connected to the second wind knife 802. The second wind knife support 801 is connected to the second metal hose 803 away from the lower casing 5. The second metal hose 803 is connected to the second through body 804. The second through body 804 is fixedly connected to the outer wall of the lower casing 5. The driving unit 9 includes a hydraulic rod 901. The hydraulic rod 901 passes through the upper casing 1 and is fixedly connected to the end face of the upper squeezing roller seat 2. The other end of the hydraulic rod 901 is connected to the pressing cylinder 902, and the pressing cylinder 902 is in contact with the upper casing 1.

Claims

1. Oil removal device with variable air knife position, characterized in that: The invention comprises an upper housing (1), the upper housing (1) has a rectangular cross section and an opening at the bottom, an upper squeezing roller seat (2) having a "door"-shaped cross section is arranged inside the upper housing (1), the side walls of the upper squeezing roller seat (2) are in contact with the inner wall of the upper housing (1), the upper squeezing rollers (3) are connected to the opposite side walls of the upper squeezing roller seat (2), the outer wall of the upper housing (1) close to the upper squeezing rollers (3) are arranged with first air knife units (4), and two first air knife units (4) penetrate the side walls of the upper housing (1) and are connected to the upper squeezing rollers (3). An upper squeeze roller seat (2) is connected; a lower housing (5) with a rectangular cross section and an opening is provided at the bottom of the upper housing (1); the opening of the lower housing (5) is arranged opposite to the opening of the upper housing (1); a lower squeeze roller seat (6) in the shape of a "door" is provided in the lower housing (5); lower squeeze rollers (7) are connected to the opposite side walls in the lower squeeze roller seat (6); a second air knife unit (8) is fixedly connected to the outer wall of the lower housing (5); and a driving unit (9) is connected to the upper squeeze roller seat (2) near the top of the upper housing (1).

2. The oil removal device with variable air knife position according to claim 1, characterized in that: The side walls of the upper housing (1) close to the upper squeeze roller seat (2) are each provided with a rectangular vertical hole (10), and the vertical hole (10) cooperates with the first wind knife unit (4).

3. The oil removal device with variable air knife position according to claim 2, characterized in that: The first wind knife unit (4) comprises a first support plate (401), one end of the first support plate (401) is connected to the upper squeezing roller (3), the other end of the first support plate (401) passes through the vertical hole (10) and is connected to the first wind knife support (402), the first wind knife support (402) is connected to the first wind knife (403) near the surface of the lower casing (5), the first wind knife support (402) is connected to the first metal hose (404) away from the first support plate (401), the first metal hose (404) is connected to the first through body (405), and the first through body (405) is fixedly connected to the outer wall of the upper casing (1).

4. The oil removal device with variable air knife position according to claim 3, characterized in that: The second wind knife unit (8) includes a second wind knife support (801), one end of the second wind knife support (801) is connected to the lower casing (5), the other end of the second wind knife support (801) is connected to the second wind knife (802), the second wind knife support (801) is connected to a second metal hose (803) away from the lower casing (5), the second metal hose (803) is connected to a second through body (804), and the second through body (804) is fixedly connected to the outer wall of the lower casing (5).

5. The oil removal device with variable air knife position according to claim 4, characterized in that: The driving unit (9) comprises a hydraulic rod (901), which passes through the upper casing (1) and is fixedly connected to the end surface of the upper squeeze roller seat (2); the other end of the hydraulic rod (901) is connected to a pressing cylinder (902), and the pressing cylinder (902) is in close contact with the upper casing (1).

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