Anti-entanglement guide plate device and reversible cold rolling mill

Abstract

The present invention provides an anti-entanglement guide plate device and a reversible cold rolling mill, wherein the anti-entanglement guide plate device comprises an upper guide mechanism (2) and a lower guide plate (3) arranged above and below, and the anti-entanglement guide plate device further comprises an emulsion baffle (1), wherein the emulsion baffle (1) can cover the upper guide mechanism (2), and the emulsion baffle (1) comprises an upper baffle (102), and the upper baffle (102) is located above the upper guide mechanism (2). The anti-entanglement guide plate device and the reversible cold rolling mill can completely prevent the emulsion from dripping onto the surface of the plate and strip during rolling, thereby improving the surface quality of the plate, reducing the number of purge passes, and greatly reducing the use of compressed air.

Description

Technical Field

[0001] The invention relates to the technical field of cold rolling equipment, in particular to an anti-entanglement guide plate device and a reversible cold rolling mill. Background Art

[0002] During the cold rolling process of steel strip, a large amount of emulsion needs to be sprayed at the mill entrance to lubricate and cool the rollers and the plate surface. At the mill exit, it is necessary to ensure that the emulsion does not drip onto the plate surface. If the emulsion drips onto the plate surface, the residual emulsion on the strip surface needs to be removed as soon as possible, otherwise oil spots or rust will form on the strip surface, seriously affecting the quality of the strip. However, once the emulsion drips on the strip surface, air blowing is usually used to remove the dripping emulsion on the strip. However, air blowing can only dilute the emulsion on the strip and cannot completely remove it.

[0003] At present, due to the reversible rolling of the reversible cold rolling mill, a spray beam device, an anti-entanglement guide device and an air purge system are installed at the inlet and outlet. The existing anti-entanglement guide device cannot completely prevent the emulsion from dripping onto the plate and strip, and emulsion often remains on the plate and strip. Although multiple air purges are set up, the effect is not good, the plate surface quality is poor, and a large amount of compressed air is consumed, which increases the production cost. Summary of the invention

[0004] In order to solve the problem that the above-mentioned emulsion is easy to drip onto the plate and strip, the present invention provides an anti-entanglement guide plate device and a reversible cold rolling mill. The anti-entanglement guide plate device and the reversible cold rolling mill can completely prevent the emulsion from dripping onto the surface of the plate and strip during rolling, thereby improving the quality of the plate surface, reducing the number of blowing passes, and greatly reducing the use of compressed air.

[0005] The technical solution adopted by the present invention to solve its technical problem is:

[0006] An anti-entanglement guide plate device comprises an upper guide mechanism and a lower guide plate arranged up and down, and the anti-entanglement guide plate device also comprises an emulsion baffle, which can cover the upper guide mechanism, and the emulsion baffle comprises an upper baffle, which is located above the upper guide mechanism.

[0007] The emulsion baffle also comprises a front baffle and a rear baffle. The front baffle, the upper baffle and the rear baffle are sealed, connected and fixed in sequence. The front baffle is located in front of the upper guide mechanism, and the rear baffle is located behind the upper guide mechanism.

[0008] The upper baffle plate comprises a bent plate section and an inclined plate section arranged in sequence along the rolling direction. One end of the bent plate section is located above the head of the guide mechanism. The lower end of the inclined plate section is sealedly connected to the other end of the bent plate section. There is a distance between the inclined plate section and the upper guide mechanism.

[0009] The bent plate section contains a first flat plate, a first vertical plate and a second flat plate which are sealed and connected in sequence along the rolling direction. One end of the first flat plate is externally sealed and connected to an emulsion manifold spray beam, and the spray direction of the spray port of the emulsion manifold spray beam is toward the working roll. The lower end of the inclined plate section is sealed and connected to the second flat plate, and a guide plate is provided above the second flat plate. The middle part of the guide plate is higher than the front and rear ends of the guide plate, and the guide plate can guide the emulsion on the guide plate to the front and rear ends of the second flat plate.

[0010] The inclined plate section contains an inclined plate and a flange plate connected in sequence along the rolling direction. The flange plate is located directly above the tail of the upper guide mechanism. The lower end of the flange plate is matched and connected to the upper end of the inclined plate. The lower end of the inclined plate is sealed and connected to the other end of the bent plate section.

[0011] The front baffle is sealedly connected to the front end of the bent plate section, and the rear baffle is sealedly connected to the rear end of the bent plate section. Guide plates are provided outside the front of the front baffle and outside the rear of the rear baffle. The liquid on the bent plate section can flow onto the guide plates and flow downward under the guidance of the guide plates.

[0012] The head of the upper guide mechanism is provided with a first air purge mechanism, the upper guide mechanism includes an upper guide plate and a lower guide plate spaced apart from each other, a second air purge mechanism and a plate strip cooling spray beam are provided between the upper guide plate and the lower guide plate, a first upper through hole and a second upper through hole are provided on the lower guide plate, the first upper through hole corresponds to the second air purge mechanism, and the second upper through hole corresponds to the plate strip cooling spray beam; one end of the lower guide plate is connected to the upper guide plate, a first inner water baffle plate and a second inner water baffle plate are provided between the upper guide plate and the lower guide plate, the lower ends of the first inner water baffle plate and the second inner water baffle plate are both sealed and connected to the lower guide plate, the first inner water baffle plate is located between the other end of the lower guide plate and the second upper through hole, the second inner water baffle plate is located between the first upper through hole and the second upper through hole, the air blowing pipe of the second air purge mechanism passes through the second inner water baffle plate, and a drainage hole is provided on the upper guide mechanism, and the water blocked by the second inner water baffle plate can be discharged through the drainage hole.

[0013] One end of the lower guide plate faces the working roller, and a lower plate surface vacuum exhaust port and a plate strip cooling port are provided in the lower guide plate. The lower plate surface vacuum exhaust port is located between one end of the lower guide plate and the plate strip cooling port. A plate strip cooling spray beam is provided below the lower guide plate, and the plate strip cooling spray beam corresponds to the plate strip cooling port. The anti-entanglement guide plate device also includes a vacuum extraction mechanism, and the vacuum extraction mechanism is connected to the lower end of the lower plate surface vacuum exhaust port.

[0014] The upper guide mechanism and the lower guide plate are connected as a whole, and the upper guide mechanism and the lower guide plate are relatively fixed. The anti-entanglement guide plate device also includes a guide drive mechanism, which can drive the upper guide mechanism and the lower guide plate forward or backward along the rolling direction. The guide drive mechanism contains a three-stage oil cylinder and a four-stage step block connected in sequence.

[0015] A reversible cold rolling mill comprises a working roll and two anti-entanglement guide plate devices, wherein the anti-entanglement guide plate devices are the above-mentioned anti-entanglement guide plate devices, and the two anti-entanglement guide plate devices can be symmetrical on both sides of the working roll and are mirror images of each other.

[0016] The beneficial effects of the present invention are:

[0017] 1. The three-stage oil cylinder is used to push the four-stage step block to ensure that the gap between the head of the upper guide mechanism and the working roll is very small and the floating range is small, which is 2 / 3 of the gap of the existing structure, solving the problem of emulsion leakage from this gap. The existing structure currently uses a three-stage step block driven by a two-stage oil cylinder. The gap between the head of the upper guide mechanism and the working roll is large and the floating range is large, and emulsion often drips from this gap onto the plate surface.

[0018] 2. A fully enclosed emulsion baffle is set to completely enclose the anti-entanglement guide plate and the emulsion guide plates set on both sides are used to divert the emulsion, ensuring that there is no emulsion residue on the anti-entanglement guide plate and the emulsion drips onto the board surface, thereby ensuring the quality and cleanliness of the board surface, which can further reduce the number of air purge passes, reduce production costs, and increase profits.

[0019] 3. In the existing anti-entanglement guide plate structure, emulsion is easily stored inside the guide device, and then drips from there onto the board surface. The first inner water baffle plate and the second inner water baffle plate and the drainage hole are arranged in the guide device to block and discharge the emulsion in the guide device, further ensuring that no emulsion drips on the board surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings in the specification, which constitute a part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0021] Figure 1 Schematic diagram of the reversible cold rolling mill of the present invention.

[0022] Figure 2 yes Figure 1 Schematic diagram of the emulsion baffle area.

[0023] Figure 3 It is a schematic diagram of the main view of the emulsion baffle.

[0024] Figure 4 It is a three-dimensional schematic diagram of the emulsion baffle.

[0025] Figure 5 It is a schematic diagram of the deflector part.

[0026] Figure 6 is along Figure 1Schematic diagram of the B direction.

[0027] Figure 7 It is a schematic diagram of the upper guide mechanism and the lower guide plate.

[0028] Figure 8 It is a schematic diagram of the guide drive mechanism.

[0029] 1. Emulsion baffle; 2. Upper guide mechanism; 3. Lower guide plate; 4. Pushing cylinder; 5. Fixed frame; 6. Fine adjustment bolt; 7. Four-stage step block; 8. Three-stage cylinder; 9. Rolling mill frame; 10. First air purge mechanism; 11. Second air purge mechanism; 12. Third air purge mechanism; 13. Spray beam for rollers; 14. Spray beam for strip cooling; 15. Working rollers;

[0030] 101, front baffle; 102, upper baffle; 103, rear baffle; 104, outer baffle; 105, guide plate; 106, emulsion manifold spray beam;

[0031] 201, head of the upper guide mechanism; 202, tail of the upper guide mechanism; 203, upper guide plate; 204, lower guide plate; 205, first inner water baffle plate; 206, second inner water baffle plate; 207, drainage hole;

[0032] 301, vacuum exhaust port on lower plate surface; 302, plate and strip cooling port;

[0033] 1021, guide plate; 1022, first flat plate; 1023, first vertical plate; 1024, second flat plate; 1025, inclined plate; 1026, flange plate;

[0034] 1041, upper vertical plate; 1042, lower curved plate;

[0035] 2041, a first upper through hole; 2042, a second upper through hole. DETAILED DESCRIPTION

[0036] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0037] An anti-entanglement guide device includes an upper guide mechanism 2 and a lower guide plate 3 arranged in an upper and lower position, and the anti-entanglement guide device also includes an emulsion baffle 1, the emulsion baffle 1 can cover the upper guide mechanism 2, the emulsion baffle 1 includes an upper baffle 102, and the upper baffle 102 is located above the upper guide mechanism 2. Along the rolling direction A, one end of the upper baffle 102 is located above the head 201 of the upper guide mechanism, and the other end of the upper baffle 102 is located above the tail 202 of the upper guide mechanism. Figures 1 to 7 shown.

[0038] In the present invention, a fully enclosed emulsion baffle 1 is provided to achieve complete closure of the anti-entanglement guide plate (upper guide mechanism 2 and lower guide plate 3) and emulsion guide plates provided on both sides are used to divert the emulsion, thereby ensuring that there is no emulsion residue on the anti-entanglement guide plate and that the emulsion drips onto the plate surface, thereby ensuring the quality of the plate surface and the cleanliness, thereby further reducing the number of air blowing passes, reducing production costs and increasing profits.

[0039] In this embodiment, the emulsion baffle 1 further includes a front baffle 101 and a rear baffle 103. The front baffle 101, the upper baffle 102 and the rear baffle 103 are sealed and fixed in sequence as a whole. The front baffle 101 is located in front of the upper guide mechanism 2, and the rear baffle 103 is located behind the upper guide mechanism 2. In the front-to-back direction, the upper guide mechanism 2 is located between the front baffle 101 and the rear baffle 103. The front baffle 101 and the rear baffle 103 can better protect the upper guide mechanism 2 and the lower guide plate 3 from entering the emulsion. Figures 1 to 5 shown.

[0040] In this embodiment, the emulsion baffle 1 is fixed relative to the rolling mill frame 9, that is, the emulsion baffle 1 cannot move or rotate relative to the rolling mill frame 9. The upper baffle 102 includes a bent plate segment and an inclined plate segment arranged in sequence along the rolling direction, one end of the bent plate segment is sealed and connected to the head 201 of the upper guide mechanism, the lower end of the inclined plate segment is sealed and connected to the other end of the bent plate segment, and there is a gap between the inclined plate segment and the upper guide mechanism 2. In the front-to-back direction, the width of the bent plate segment is smaller than the width of the inclined plate segment.

[0041] In this embodiment, the emulsion baffle 1 further comprises an emulsion manifold spraying beam 106, the spraying port of the emulsion manifold spraying beam 106 is located outside one end of the bent plate section, and the spraying direction of the spraying port of the emulsion manifold spraying beam 106 is toward the working roll 15, especially the spraying direction of the spraying port of the emulsion manifold spraying beam 106 is toward the space between the upper and lower working rolls 15. The upper baffle 102 is sealedly connected to the emulsion manifold spraying beam 106 to form a closed shielding to prevent the emulsion above from dripping onto the anti-entanglement guide plate; the emulsion manifold spraying beam 106 is used to spray the emulsion toward the gap between the working roll 15 and the rolled plate and strip.

[0042] In this embodiment, the bent plate section contains a first flat plate 1022, a first vertical plate 1023 and a second flat plate 1024 which are sealed and connected in sequence along the rolling direction. The second flat plate 1024 is arranged parallel to the first flat plate 1022 up and down. One end of the first flat plate 1022 is sealed and connected to the emulsion collecting pipe injection beam 106, and the lower end of the inclined plate section is sealed and connected to the second flat plate 1024.

[0043] In this embodiment, a guide plate 1021 is provided above the second flat plate 1024, the middle portion of the guide plate 1021 is higher than the front and rear ends of the guide plate 1021, and the guide plate 1021 is in a pointed roof-shaped structure. The guide plate 1021 can guide the emulsion on the guide plate 1021 to the front and rear ends of the second flat plate 1024, and then flow to the guide plate 105 described below, and flow downward under the guidance of the guide plate 105, as shown in FIG. Figure 3 and Figure 4 shown.

[0044] In this embodiment, the inclined plate section includes an inclined plate 1025 and a flange plate 1026 which are sequentially connected along the rolling direction. The cross section of the flange plate 1026 is arc-shaped. The flange plate 1026 is located directly above the tail portion 202 of the upper guide mechanism. The lower end of the flange plate 1026 is matched and connected to the upper end of the inclined plate 1025. The lower end of the inclined plate 1025 is sealed and connected to the other end of the bent plate section. The lower end of the inclined plate 1025 is sealed and connected to the second flat plate 1024 of the bent plate section. Figures 3 to 5 shown.

[0045] In this embodiment, the front baffle 101 is sealed to the front end of the bent plate section, the rear baffle 103 is sealed to the rear end of the bent plate section, and a guide plate 105 is provided outside the front of the front baffle 101 and outside the rear of the rear baffle 103. The liquid on the bent plate section can flow onto the guide plate 105 and flow downward under the guidance of the guide plate 105. Figure 4 shown.

[0046] In this embodiment, the emulsion baffle 1 also includes an outer baffle 104, which is fixed relative to the rolling mill frame 9. The outer baffle 104 is located above the upper baffle 102, especially the outer baffle 104 is located directly above the flange plate 1026 of the upper baffle 102. The outer baffle 104 includes an upper vertical plate 1041 and a lower bent plate 1042 connected up and down. The lower bent plate 1042 corresponds to the flange plate 1026 up and down, and there may be a gap between the lower bent plate 1042 and the flange plate 1026.

[0047] In this embodiment, the head 201 of the upper guide mechanism is provided with a first air blowing mechanism 10, the upper guide mechanism 2 contains an upper guide plate 203 and a lower guide plate 204 which are spaced apart from each other, a second air blowing mechanism 11 and a plate cooling spray beam 14 are provided between the upper guide plate 203 and the lower guide plate 204, and the injection port of the second air blowing mechanism 11 is located between the injection port of the plate cooling spray beam 14 and the working roller 15.

[0048] The lower guide plate 204 is provided with a first upper through hole 2041 and a second upper through hole 2042. The first upper through hole 2041 corresponds to the second air purge mechanism 11, and the second upper through hole 2042 corresponds to the plate strip cooling spray beam 14. The gas sprayed by the second air purge mechanism 11 can pass through the first upper through hole 2041 and be sprayed toward the plate strip rolled piece, and the emulsion sprayed by the plate strip cooling spray beam 14 can pass through the second upper through hole 2042 and be sprayed toward the plate strip rolled piece.

[0049] One end of the lower guide plate 204 is connected to the upper guide plate 203, and a first inner water baffle plate 205 and a second inner water baffle plate 206 are provided between the upper guide plate 203 and the lower guide plate 204. The lower ends of the first inner water baffle plate 205 and the second inner water baffle plate 206 are both sealed and connected to the lower guide plate 204. The first inner water baffle plate 205 is located between the other end of the lower guide plate 204 and the second upper through hole 2042, and the second inner water baffle plate 206 is located between the first upper through hole 2041 and the second upper through hole 2042. Figure 7 shown.

[0050] The first inner water baffle plate 205 is in an upright state, the second inner water baffle plate 206 is in an inclined state, and the distance from the second inner water baffle plate 206 to the first upper through hole 2041 is smaller than the distance from the second inner water baffle plate 206 to the second upper through hole 2042. The air blowing pipe of the second air blowing mechanism 11 passes through the second inner water baffle plate 206, the air blowing pipe of the second air blowing mechanism 11 is perpendicular to the second inner water baffle plate 206, and there is a gap between the air blowing pipe of the second air blowing mechanism 11 and the second inner water baffle plate 206, and the upper guide mechanism 2 is provided with a drainage hole 207, and the water blocked by the second inner water baffle plate 206 can be discharged through the drainage hole 207.

[0051] In this embodiment, one end of the lower guide plate 3 faces the working roller 15, and a lower plate surface vacuum exhaust port 301 and a plate strip cooling port 302 are provided in the lower guide plate 3. The lower plate surface vacuum exhaust port 301 is located between one end of the lower guide plate 3 and the plate strip cooling port 302. A plate strip cooling spray beam 14 is provided below the lower guide plate 3. The plate strip cooling spray beam 14 corresponds to the plate strip cooling port 302. The emulsion sprayed by the plate strip cooling spray beam 14 can pass through the lower plate surface vacuum exhaust port 301 and be ejected toward the plate strip rolled piece. The anti-entanglement guide plate device also includes a vacuum pumping mechanism, which is connected to the lower end of the lower plate surface vacuum exhaust port 301. The vacuum pumping mechanism can exhaust air from the lower surface of the plate strip rolled piece through the lower plate surface vacuum exhaust port 301. Figure 7 shown.

[0052] In this embodiment, the upper guide mechanism 2 and the lower guide plate 3 are connected as one body, the upper guide mechanism 2 and the lower guide plate 3 are relatively fixed, the upper guide mechanism 2 and the lower guide plate 3 are mounted on the fixing frame 5, and the upper guide mechanism 2 and the lower guide plate 3 are mounted on the rolling mill frame 9 through the fixing frame 5. The anti-entanglement guide device also includes a guide drive mechanism, which can drive the upper guide mechanism 2 and the lower guide plate 3 to move forward or backward along the rolling direction. The guide drive mechanism contains a three-stage oil cylinder 8 and a four-stage ladder block 7 connected in sequence. The guide drive mechanism also contains a fine adjustment bolt 6 and a push oil cylinder 4, such as Figure 1 and Figure 8 shown.

[0053] The present invention uses a three-stage oil cylinder 8 to push a four-stage step block 7 to ensure that the gap between the head 201 of the upper guide mechanism and the working roller 15 is small and the floating range is very small. The existing structure currently uses a three-stage step block pushed by a two-stage oil cylinder. The gap between the head 201 of the upper guide mechanism and the working roller 15 is large and the floating range is large, and emulsion often drips from the gap onto the plate surface. The fine adjustment bolt 6 is finely adjusted only once after the equipment is installed to eliminate the manufacturing and installation errors of the anti-entanglement guide device.

[0054] A reversible cold rolling mill is described below, the reversible cold rolling mill includes a working roll 15 and two anti-entanglement guide plate devices, the anti-entanglement guide plate device is the above-mentioned anti-entanglement guide plate device, and the two anti-entanglement guide plate devices can be symmetrical and mirrored on both sides of the working roll 15. The reversible cold rolling mill also includes a rolling mill frame 9, an intermediate roll, a support roll, a third air purge mechanism 12 and a roller spray beam 13.

[0055] The rolling direction is from left to right (i.e. Figure 1 Taking the direction A in the middle as an example, the working process of the reversible cold rolling mill and the anti-entanglement guide plate device is introduced.

[0056] Figure 1 The entrance side of the reversing cold rolling mill on the left side, Figure 1The outlet side of the reversible cold rolling mill is shown on the right side of the figure. The upper guide mechanism 2 and the lower guide plate 3 are fixed together by bolts. Under the action of the push cylinder 4, the upper guide mechanism 2 and the lower guide plate 3 can be moved close to or away from the working roll 15; the strip enters the rolling mill from left to right, the head 201 of the upper guide mechanism on the left side of the working roll 15 is away from the working roll 15, and a large gap is formed between the head 201 of the upper guide mechanism and the working roll 15. Along the rolling direction A, the injection port of the emulsion manifold injection beam 106 is roughly located between the head 201 of the upper guide mechanism and the working roll 1 5, the emulsion sprayed by the emulsion manifold spray beam 106 passes through the gap between the head 201 of the upper guide mechanism and the working roll 15 and is sprayed toward the working roll 15 to roll the strip, which is used to lubricate and cool the working roll 15. A large amount of emulsion sprayed on the inlet side of the reversible cold rolling mill can flow into the mill pit from the gap between the head 201 of the upper guide mechanism and the working roll 15 and the gap between the guide plate 105 of the emulsion baffle 1 and the rolling mill frame 9, so that no emulsion remains on the anti-entanglement guide device. During rolling, the strip cooling spray beam 14 on the left and the roller spray beam 13 spray emulsion to cool the strip and cool and lubricate the working roll 15, the intermediate roll and the support roll.

[0057] The first air purge mechanism 10, the second air purge mechanism 11, the third air purge mechanism 12, the vacuum exhaust port 301 on the lower plate surface and the vacuum mechanism on the left are all closed. The fully enclosed emulsion baffle 1 is used to block the emulsion sprayed by the roller spray beam 13 and the emulsion dripping from the upper part from dripping onto the anti-entanglement guide plate (upper guide mechanism 2 and lower guide plate 3); the guide plate 105 takes advantage of the situation to divert the emulsion on the fully enclosed emulsion baffle 1 to the outer area of ​​the plate and strip and flow into the mill pit to ensure the switching of rolling passes.

[0058] The head 201 of the upper guide mechanism on the right side of the working roll 15 is close to the working roll 15, and a very small gap is maintained between the head 201 of the upper guide mechanism and the working roll 15. Along the rolling direction A, the head 201 of the upper guide mechanism is roughly located between the injection port of the emulsion manifold spray beam 106 and the working roll 15. The emulsion manifold spray beam 106 does not spray emulsion, and the first air purge mechanism 10 on the right blows from this very small gap to the working roll 15, preventing the emulsion from flowing down from this gap. The plate strip cooling spray beam 14 and the roller spray beam 13 on the right are closed. The emulsion baffle 1 on the right is used to block the splashing emulsion sprayed from the left roller spray beam 13 and the emulsion dripping from the upper part from dripping onto the anti-entanglement guide plate; the guide plate 105 diverts the emulsion on the emulsion baffle 1 to the outer area of ​​the plate strip and flows into the mill pit, ensuring that the emulsion does not drip onto the plate surface. The second air purge mechanism 11, the third air purge mechanism 12, the lower panel vacuum exhaust port 301 and the vacuum exhaust mechanism on the right side are all opened to perform another purge and suction of the panel surface to ensure the cleanliness of the panel surface.

[0059] The working process of the reversible cold rolling mill and the anti-winding guide device is introduced above with the rolling direction from left to right as an example. When the rolling direction is from right to left (i.e., opposite to the Figure 1 direction A in

[0060] ), only the orientation words "left" and "right" in the above working process need to be interchanged. Figure 1 For the convenience of understanding and description, absolute positional relationships are used in the present invention. Unless otherwise specified, the orientation word "upper" represents the Figure 1 upper side direction in Figure 1 , the orientation word "lower" represents the Figure 1 lower side direction in Figure 1 , the orientation word "left" represents the Figure 1 left side direction in

[0061] , the orientation word "right" represents the Figure 1 right side direction in Figure 1 , the orientation word "front" represents the direction perpendicular to the Figure 1 paper surface and pointing inside the paper surface, and the orientation word "rear" represents the direction perpendicular to the Figure 1 paper surface and pointing outside the paper surface. The present invention is described from the observation perspective of the reader or user, but the above orientation words should not be understood or interpreted as limiting the protection scope of the present invention.

[0061] The above are only specific embodiments of the present invention and cannot be used to limit the scope of the invention implementation. Therefore, the replacement of equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention patent should still fall within the scope covered by this patent. In addition, the technical features in the present invention can be freely combined with each other between technical features, between technical features and technical solutions, and between technical solutions.

Claims

1. An anti-entanglement guide plate device, comprising an upper guide mechanism (2) and a lower guide plate (3) arranged up and down, characterized in that: The anti-entanglement guide plate device further comprises an emulsion baffle (1), the emulsion baffle (1) is capable of covering the upper guide mechanism (2), the emulsion baffle (1) comprises an upper baffle (102), and the upper baffle (102) is located above the upper guide mechanism (2); The emulsion baffle (1) further comprises a front baffle (101) and a rear baffle (103); the front baffle (101), the upper baffle (102) and the rear baffle (103) are sealed and connected in sequence, the front baffle (101) is located in front of the upper guide mechanism (2), and the rear baffle (103) is located behind the upper guide mechanism (2); The upper baffle (102) comprises a bent plate section and an inclined plate section which are sequentially arranged along the rolling direction, one end of the bent plate section is located above the head (201) of the upper guide mechanism, the lower end of the inclined plate section is sealedly connected to the other end of the bent plate section, and there is a spacing between the inclined plate section and the upper guide mechanism (2); The bent plate section comprises a first flat plate (1022), a first vertical plate (1023) and a second flat plate (1024) which are sequentially sealed and connected along the rolling direction; one end of the first flat plate (1022) is sealed and connected to an emulsion manifold spraying beam (106); the spraying direction of the spraying port of the emulsion manifold spraying beam (106) is toward the working roll (15); the lower end of the inclined plate section is sealed and connected to the second flat plate (1024); a guide plate (1021) is provided above the second flat plate (1024); the middle part of the guide plate (1021) is higher than the front and rear ends of the guide plate (1021); the guide plate (1021) can guide the emulsion on the guide plate (1021) to the front and rear ends of the second flat plate (1024); The inclined plate section comprises an inclined plate (1025) and a flange plate (1026) which are sequentially connected along the rolling direction, the flange plate (1026) being located directly above the tail portion (202) of the upper guide mechanism, the lower end of the flange plate (1026) being matched and connected to the upper end of the inclined plate (1025), and the lower end of the inclined plate (1025) being sealed and connected to the other end of the bent plate section.

2. The anti-entanglement guide plate device according to claim 1, characterized in that: The front baffle plate (101) is sealedly connected to the front end of the bent plate section, and the rear baffle plate (103) is sealedly connected to the rear end of the bent plate section. Guide plates (105) are provided outside the front of the front baffle plate (101) and outside the rear of the rear baffle plate (103), and liquid on the bent plate section can flow onto the guide plates (105) and flow downwards under the guidance of the guide plates (105).

3. The anti-entanglement guide plate device according to claim 1, characterized in that: The head (201) of the upper guide mechanism is provided with a first air purge mechanism (10); the upper guide mechanism (2) comprises an upper guide plate (203) and a lower guide plate (204) which are spaced apart from each other; a second air purge mechanism (11) and a plate strip cooling spray beam (14) are provided between the upper guide plate (203) and the lower guide plate (204); a first upper through hole (2041) and a second upper through hole (2042) are provided on the lower guide plate (204); the first upper through hole (2041) corresponds to the second air purge mechanism (11), and the second upper through hole (2042) corresponds to the plate strip cooling spray beam (14); One end of the lower guide plate (204) is connected to the upper guide plate (203); a first inner water baffle plate (205) and a second inner water baffle plate (206) are provided between the upper guide plate (203) and the lower guide plate (204); the lower end of the first inner water baffle plate (205) and the lower end of the second inner water baffle plate (206) are both sealedly connected to the lower guide plate (204); the first inner water baffle plate (205) is located between the other end of the lower guide plate (204) and the second upper through hole (2042); the second inner water baffle plate (206) is located between the first upper through hole (2041) and the second upper through hole (2042); an air blowing pipe of the second air blowing mechanism (11) passes through the second inner water baffle plate (206); a drainage hole (207) is provided on the upper guide mechanism (2); water blocked by the second inner water baffle plate (206) can be discharged through the drainage hole (207).

4. The anti-entanglement guide plate device according to claim 1, characterized in that: One end of the lower guide plate (3) faces the working roller (15), and a lower plate surface vacuum exhaust port (301) and a plate strip cooling port (302) are provided in the lower guide plate (3), and the lower plate surface vacuum exhaust port (301) is located between one end of the lower guide plate (3) and the plate strip cooling port (302), and a plate strip cooling spray beam (14) is provided below the lower guide plate (3), and the plate strip cooling spray beam (14) corresponds to the plate strip cooling port (302), and the anti-entanglement guide plate device also includes a vacuum extraction mechanism, and the vacuum extraction mechanism is connected to the lower end of the lower plate surface vacuum exhaust port (301).

5. The anti-entanglement guide plate device according to claim 1, characterized in that: The upper guide mechanism (2) and the lower guide plate (3) are connected as a whole, and the upper guide mechanism (2) and the lower guide plate (3) are relatively fixed. The anti-entanglement guide plate device also includes a guide drive mechanism, which can drive the upper guide mechanism (2) and the lower guide plate (3) to move forward or backward along the rolling direction. The guide drive mechanism includes a three-stage oil cylinder (8) and a four-stage step block (7) connected in sequence.

6. A reversible cold rolling mill, characterized in that: The reversible cold rolling mill comprises a working roll (15) and two anti-entanglement guide plate devices, wherein the anti-entanglement guide plate device is the anti-entanglement guide plate device according to claim 1, and the two anti-entanglement guide plate devices can be symmetrical on both sides of the working roll (15) and are mirror images of each other.

Images