A sinking roller suitable for zinc-aluminum-magnesium alloy

Abstract

The invention discloses a sinking roller suitable for zinc-aluminum-magnesium alloy, and relates to the technical field of sinking rollers, comprising a zinc pot; a roller body; two adjustment plates, which are symmetrically rotated and slidably connected to the two ends of the roller body; a clamping mechanism, which comprises two clamping components respectively arranged on both sides of the zinc pot, each clamping component comprises two clamping plates, and the two clamping plates are both clamped and matched with the strip steel; when the strip steel deviates, it will abut against one of the adjustment plates, so that the adjustment plate moves along the axis of the roller body, and the adjustment plate moves through a stroke, driving a group of clamping components away from the adjustment plate to work, so that the two clamping plates clamp the strip steel, and the strip steel will drive the two clamping plates to move synchronously, and the two clamping plates will move along the width direction of the strip steel while following the strip steel to move, thereby pulling the strip steel to move on the roller body, adjusting the position, and completing the deviation correction operation, avoiding the strip steel from deviating in position, and also avoiding the problem of scratching the strip steel in the process of limiting the strip steel.

Description

Technical Field

[0001] The invention relates to the technical field of sinking rollers, in particular to a sinking roller suitable for zinc-aluminum-magnesium alloys. Background Art

[0002] Continuous hot-dip plating includes galvanizing, galvanizing, aluminum plating, galvanized aluminum-magnesium and other coating technologies; the sinking roller is a key component of continuous hot-dip plating production. The sinking roller is set in the zinc pot. The sinking roller is used to convey the strip steel so that the strip steel can be immersed in zinc to complete the galvanizing, aluminum-magnesium plating of the strip steel; and the sinking roller is a passive rotating roller, which relies on the close contact between the strip steel and the sinking roller. During the transmission of the strip steel, the friction between the strip steel and the sinking roller drives the sinking roller to rotate.

[0003] For example, the publication number is: CN115261759B, and the name is: "A wear-resistant sinking roller", which includes a roller body and a roller head. The roller body includes a cylindrical roller main body and connecting platforms symmetrically arranged on both sides of the roller main body. The outer surface of the roller main body is turned with a continuous spiral groove, and the area on the outer surface of the roller main body located outside the spiral groove is formed with a roller body coating, and the inside of the spiral groove is formed with a groove coating; the preparation method includes smelting, casting, annealing and cooling, welding, groove processing, solvent cleaning, sandblasting, roller body coating preparation and groove coating preparation.

[0004] In the prior art such as that including the above-mentioned patent, the strip may deviate on the sinking roller during the transmission process. Once the deviation occurs, the strip will also deviate when passing through the subsequent conveying rollers, resulting in an error in the conveying position. Furthermore, the sinking roller is usually not provided with a limiting mechanism to prevent the strip from deviating during transmission. If two limiting plates are symmetrically fixedly connected on the sinking roller, when the strip deviates, the limiting plates can certainly limit the strip. However, at this time, the abutment force between the strip and the limiting plates is relatively large, which will cause damage and scratches to the strip, thereby affecting the quality of the subsequent finished strip. Summary of the invention

[0005] The purpose of the present invention is to provide a sinking roller suitable for zinc-aluminum-magnesium alloy to solve the shortcomings of the above-mentioned prior art.

[0006] In order to achieve the above object, the present invention provides the following technical solution: a sinking roller suitable for zinc-aluminum-magnesium alloy, comprising:

[0007] Zinc pot;

[0008] A roller body, which is rotatably connected in the zinc pot;

[0009] Two adjustment plates are symmetrically rotated and slidably connected to the two ends of the roller body;

[0010] The clamping mechanism comprises two clamping assemblies respectively arranged on both sides of the zinc pot, each clamping assembly comprises two clamping plates, and both clamping plates are matched with the strip steel;

[0011] When any adjustment plate slides on the roller body, the two clamping plates away from the position where the adjustment plate is located respectively have: a clamping stroke, a deviation correction stroke and a reset stroke;

[0012] In the clamping stroke: the two clamping plates approach each other to clamp the strip;

[0013] In the deviation correction stroke: the two clamping plates move synchronously with the strip along the transmission direction, and at the same time, the two clamping plates move along the width direction of the strip, so that the position of the strip clamped by the two clamping plates on the roller body is adjusted;

[0014] In the reset stroke: the two clamps move away from each other, release the clamping of the strip, and move horizontally in the direction opposite to the transmission direction of the strip to reset.

[0015] Furthermore, the clamping assembly includes a movable plate slidably connected to the zinc pot, the movable plate is provided with two straight grooves, the movable plate is slidably connected to two lifting plates, the two lifting plates are provided with transverse grooves, the movable plate is rotatably connected to a bidirectional screw rod, the bidirectional screw rod is respectively screwed to the two lifting plates, the two straight grooves are slidably connected to abutment rods, the abutment rods are fixedly connected to sliders, the two sliders are slidably connected to the two transverse grooves respectively, and the two abutment rods are fixedly connected to the two clamping plates respectively.

[0016] Furthermore, the length and height of the slider are equal.

[0017] Furthermore, a fixed plate is fixedly connected inside the zinc pot, a correction groove and a slide groove are opened on the fixed plate, a bidirectional screw rod is slidably connected in the correction groove, a telescopic rod is fixedly connected to the movable plate, a vertical rod is fixedly connected to the telescopic rod, and the vertical rod is slidably connected in the slide groove.

[0018] Furthermore, it also includes a linkage mechanism, which includes a turntable rotatably connected in the zinc pot, and two first connecting rods are eccentrically rotatably abutted on the turntable, and the two first connecting rods are rotatably connected to the two adjustment plates respectively and one by one, and the two first connecting rods are rotatably connected to the second connecting rods respectively, and the two second connecting rods are rotatably connected to the first racks respectively, and the two first racks are both slidably connected to the zinc pot, and the two bidirectional screws are both fixedly connected to the first gears, and the two first gears are respectively meshed with the two first racks respectively and one by one.

[0019] Furthermore, the first connecting rod and the second connecting rod are rotationally connected via a rotating shaft.

[0020] Furthermore, two through grooves are symmetrically provided on the rotating disk, and the two rotating shafts are slidably abutted against the two through grooves in a one-to-one correspondence.

[0021] Furthermore, it also includes a reset mechanism, which includes two reset components, each reset component includes a pawl elastically connected to the bidirectional screw, the bidirectional screw is rotatably connected to a ratchet, the pawl and the ratchet are snap-fitted, the ratchet is fixedly connected to a second gear, the fixed plate is fixedly connected to a second rack, the second gear is meshingly fitted with the second rack, and a first spring is arranged between the vertical rod and the fixed plate.

[0022] Furthermore, a torsion spring is arranged between the rotating disk and the zinc pot.

[0023] Furthermore, a second spring is arranged between the two adjustment plates and the roller body.

[0024] In the above technical solution, the present invention provides a sinking roller suitable for zinc-aluminum-magnesium alloy:

[0025] 1. When the strip steel deviates, it will abut against one of the adjustment plates, causing the adjustment plate to move along the axis of the roller body. The movement of the adjustment plate will drive a group of clamping components away from the adjustment plate to work, so that the two clamping plates clamp the strip steel. The strip steel will drive the two clamping plates to move synchronously. The two clamping plates will move along the width direction of the strip steel while following the movement of the strip steel, thereby pulling the strip steel to move on the roller body and adjusting its position, thereby completing the deviation correction operation and avoiding the position deviation of the strip steel. At the same time, it also avoids the problem of scratching the strip steel during the process of limiting the strip steel.

[0026] 2. By setting up a linkage mechanism, when an adjustment plate moves on the roller body, it only drives the clamping assembly on the side of the other stationary adjustment plate to complete the clamping action on the strip, while the clamping assembly on the side of the moving adjustment plate remains stationary, avoiding the interference problem caused by the two clamping assemblies clamping the strip at the same time; at the same time, no matter which side the strip deviates to, the clamping assembly located in the opposite direction of the strip deviation can always clamp the strip and perform subsequent deviation correction.

[0027] 3. By setting up a clamping mechanism, when the bidirectional screw rotates, the two lifting plates approach each other, and through the cooperation of the straight groove and the abutment rod, the slider and the transverse groove, the two clamping plates can stably clamp the strip steel; and, when the two clamping plates begin to clamp each other, the two clamping plates also extend laterally to one side at the same time, making up for the position difference between the strip steel and the two clamping plates after the strip steel is offset.

[0028] 4. By setting up a reset mechanism, the clamping mechanism can be reset after the correction operation is completed and remain consistent with the initial state. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0030] Figure 1 A schematic diagram of the overall structure provided by an embodiment of the present invention;

[0031] Figure 2 A schematic diagram of the internal structure of a zinc pot provided in an embodiment of the present invention;

[0032] Figure 3 A schematic diagram of the structure of removing the zinc pot provided in an embodiment of the present invention;

[0033] Figure 4 A schematic diagram of the structure of removing a zinc pot from a top view according to an embodiment of the present invention;

[0034] Figure 5 A schematic diagram of the structure of an adjustment plate and a linkage mechanism provided in an embodiment of the present invention;

[0035] Figure 6 A schematic diagram of the structure of a turntable provided in an embodiment of the present invention;

[0036] Figure 7 A schematic diagram of the structure of a first connecting rod, a second connecting rod and a first rack provided in an embodiment of the present invention;

[0037] Figure 8 A schematic diagram of the structure of a fixing plate, a clamping mechanism, a linkage mechanism, and a reset mechanism provided in an embodiment of the present invention;

[0038] Fig. 9 A schematic diagram of the bottom structure of a fixing plate provided in an embodiment of the present invention;

[0039] Fig.10 A schematic diagram of the structure of a clamping mechanism provided in an embodiment of the present invention.

[0040] Description of reference numerals:

[0041] 1. zinc pot; 11. fixed plate; 111. deviation correction groove; 112. slide groove; 2. roller body; 3. adjustment plate; 31. second spring; 4. clamping mechanism; 41. movable plate; 411. straight groove; 42. lifting plate; 421. transverse groove; 43. bidirectional screw rod; 44. push rod; 45. slider; 46. clamping plate; 47. telescopic rod; 48. vertical rod; 5. linkage mechanism; 51. turntable; 511. through groove; 52. first connecting rod; 53. second connecting rod; 54. first rack; 55. first gear; 6. reset mechanism; 61. pawl; 62. ratchet; 63. second gear; 64. second rack; 65. first spring. DETAILED DESCRIPTION

[0042] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0043] See also Figure 1-10 The embodiment of the present invention provides a sinking roller suitable for zinc-aluminum-magnesium alloy, comprising: a zinc pot 1; a roller body 2, which is rotatably connected in the zinc pot 1; and two adjustment plates 3, which are symmetrically rotated and slidably connected to the two ends of the roller body 2.

[0044] Preferably, a second spring 31 is provided between the two adjustment plates 3 and the roller body 2 . The second spring 31 is a compression spring. The second spring 31 restores its elastic deformation, driving the adjustment plate 3 to drive the first connecting rod 52 and the second connecting rod 53 to reset.

[0045] When the steel strip deviates during the transmission process, the steel strip will abut against one of the adjustment plates 3, causing the adjustment plate 3 to move laterally on the roller body 2 and squeeze the second spring 31 on the adjustment plate 3, driving the second spring 31 to undergo elastic deformation and contraction.

[0046] In the embodiment of the present invention: the clamping mechanism 4 is used to clamp the steel strip. After clamping the steel strip, the clamping mechanism 4 moves synchronously with the steel strip. It should be understood that: after clamping the steel strip, the clamping mechanism 4 temporarily becomes a whole with the steel strip, and the steel strip is always transmitted, and the steel strip drives the clamping mechanism 4 to move synchronously; in the process of following the synchronous movement of the steel strip, the clamping mechanism 4 passively pulls the steel strip to move the steel strip along the axis of the roller body 2, so that the steel strip is corrected and adjusted, so that the steel strip is transported in the correct conveying direction; it includes two clamping assemblies respectively arranged on both sides of the zinc pot 1, each clamping assembly includes two clamping plates 46, and the two clamping plates 46 are both matched with the steel strip clamping.

[0047] Specifically, the clamping assembly includes a moving plate 41 slidably connected to the zinc pot 1, the moving plate 41 is provided with two straight grooves 411, the moving plate 41 is slidably connected to two lifting plates 42, the two lifting plates 42 are provided with transverse grooves 421, the moving plate 41 is rotatably connected to a bidirectional screw rod 43, the bidirectional screw rod 43 is respectively screwed to the two lifting plates 42, the two straight grooves 411 are slidably connected to a push rod 44, the push rod 44 is fixedly connected to a slider 45, the two sliders 45 are respectively slidably connected in the two transverse grooves 421, and the two push rods 44 are respectively fixedly connected to the two clamping plates 46.

[0048] More specifically, the length and height of the slider 45 are equal; that is, the front viewing angle of the slider 45 is a square; by sliding the slider 45 in the transverse groove 421, and the cooperation between the support rod 44 and the straight groove 411, the two clamping plates 46 can maintain a horizontal state without rotating during the process of approaching each other, thereby ensuring the clamping effect.

[0049] Preferably, in order to ensure that: the two clamps 46 move synchronously with the strip along the transmission direction, and at the same time the two clamps 46 move along the width direction of the strip, the following arrangements are made: a fixed plate 11 is fixedly connected in the zinc pot 1, and a correction groove 111 and a slide groove 112 are provided on the fixed plate 11, wherein a certain angle is provided between the correction groove 111 and the slide groove 112, and as the vertical rod 48 slides in the slide groove 112, the length of the telescopic rod 47 gradually shortens, and the movable plate 41 gradually approaches the position of the vertical rod 48; the bidirectional screw rod 43 is slidably connected in the correction groove 111, a telescopic rod 47 is fixedly connected on the movable plate 41, a vertical rod 48 is fixedly connected on the telescopic rod 47, and the vertical rod 48 is slidably connected in the slide groove 112.

[0050] When in use, when the bidirectional screw rod 43 rotates along the first direction, since the two lifting plates 42 are screwed to the bidirectional screw rod 43 and the two lifting plates 42 are slidably connected to the movable plate 41, the two lifting plates 42 will approach each other. In the process of the two lifting plates 42 approaching each other, through the sliding cooperation between the slider 45 and the transverse groove 421, and the sliding cooperation between the support rod 44 and the straight groove 411, the two clamping plates 46 are driven to approach each other while one end of the two clamping plates 46 extends toward the position of the strip steel.

[0051] It is worth mentioning that: as mentioned above, the two clamps 46 are close to each other in the vertical position, and in the horizontal direction, one end of the two clamps 46 extends toward the position of the steel strip at the same time; and the purpose of the extension is: after the steel strip is offset, there is a certain distance between the steel strip and the two clamps 46, and by extending the two clamps 46 toward the position of the steel strip, it can be ensured that the two clamps 46 can clamp the steel strip.

[0052] In the embodiment of the present invention, a linkage mechanism 5 is also included, and its function is that when any adjustment plate 3 moves laterally on the roller body 2, the linkage mechanism 5 drives a group of clamping mechanisms 4 away from the displaced adjustment plate 3 to clamp the strip steel by means of the movement stroke of the adjustment plate 3; it includes a turntable 51 rotatably connected in the zinc pot 1, and two first connecting rods 52 are eccentrically rotatably abutted on the turntable 51, and the two first connecting rods 52 are respectively rotatably connected to the two adjustment plates 3 in a one-to-one manner, and the two first connecting rods 52 are respectively rotatably connected to the second connecting rods 53, and the two second connecting rods 53 are respectively rotatably connected to the first racks 54, and the two first racks 54 are both slidably connected to the zinc pot 1, and the two bidirectional screw rods 43 are both fixedly connected to the first gears 55, and the two first gears 55 are respectively meshed with the two first racks 54 in a one-to-one manner.

[0053] Specifically, the first connecting rod 52 and the second connecting rod 53 are rotationally connected via a rotating shaft.

[0054] More specifically, two through slots 511 are symmetrically formed on the rotating disk 51 , and the two rotating shafts are slidably abutted against the two through slots 511 in a one-to-one correspondence; wherein, in an initial state, the two rotating shafts are abutted against one end of the corresponding through slots 511 .

[0055] Preferably, a torsion spring is provided between the turntable 51 and the zinc pot 1, and the torsion spring is used to drive the turntable 51 to reset after rotation, so that the relative position of the turntable 51 and the two rotating shafts remains consistent with the initial state.

[0056] When using, Figure 5 In the state shown, after one of the adjustment plates 3 moves on the roller body 2, the adjustment plate 3 will drive the first connecting rod 52 thereon to move synchronously. Since the first connecting rod 52 is eccentrically arranged on the turntable 51, and the rotating shaft between the first connecting rod 52 and the second connecting rod 53 abuts against the end side wall of one of the through grooves 511, the turntable 51 will be driven to rotate around its own axis through the abutment between the rotating shaft and the through groove 511. During the rotation of the turntable 51, the other through groove 511 abuts against the other rotating shaft, but will not drive the other first connecting rod 52 to move, that is, the other clamping assembly does not work; while the second connecting rod 53 moves synchronously with the first connecting rod 52, one end of the second connecting rod 53 will drive the first rack 54 to move laterally on the fixed plate 11 and mesh with the first gear 55, so that the bidirectional screw 43 rotates along the first direction.

[0057] In this way, through the abutment of the two through grooves 511 and the two rotating shafts, when the steel strip deviates and abuts against one of the adjustment plates 3, causing one of the adjustment plates 3 to move on the roller body 2, a set of clamping components in the opposite direction of the deviation of the steel strip will clamp the steel strip, and the clamping components that clamp the steel strip will correct the position of the steel strip while following the movement of the steel strip, while a clamping mechanism 4 located on the same side as the adjustment plate 3 will not work.

[0058] It should be understood that if both clamping assemblies clamp the steel strip, the position of the steel strip cannot be corrected, and the steel strip will be pulled to both sides at the same time during the correction stroke, resulting in interference problems.

[0059] In the embodiment of the present invention: it also includes a reset mechanism 6, which is used to drive: the two clamps 46 to move away from each other, release the clamping of the strip steel, and move laterally in the direction opposite to the transmission direction of the strip steel, so that the state of the two clamps 46 is consistent with the initial state; it includes two reset components, each reset component includes a pawl 61 elastically connected to the bidirectional screw rod 43, and the bidirectional screw rod 43 is rotatably connected to a ratchet 62, and the pawl 61 is snap-fitted with the ratchet 62; wherein an elastic member is arranged between the pawl 61 and the ratchet 62; the elastic member is a torsion spring; a second gear 63 is fixedly connected to the ratchet 62, and a second rack 64 is fixedly connected to the fixed plate 11, the second gear 63 is meshed with the second rack 64, and a first spring 65 is arranged between the vertical rod 48 and the fixed plate 11.

[0060] When in use, after the two clamping plates 46 clamp the strip steel, the strip steel drives the vertical rod 48 to slide in the slide groove 112 through the clamping effect with the two clamping plates 46, and squeezes the first spring 65, causing the first spring 65 to undergo elastic deformation and shrink; at the same time, due to the cooperation between the two-way screw rod 43 and the deviation correction groove 111, the length of the telescopic rod 47 is gradually shortened, and during the sliding stroke of the two-way screw rod 43 in the deviation correction groove 111, the second gear 63 will mesh with the second rack 64, and the second gear 63 drives the ratchet 62 to rotate, and the ratchet 62 drives the two-way screw rod 43 to rotate in the second direction through the clamping cooperation with the pawl 61, that is, the two-way screw rod 43 drives the two lifting plates 42 to rotate. The two clamps 46 move away from each other, so that the two clamps 46 release the strip steel; subsequently, due to the elastic force of the first spring 65 to restore the elastic deformation, the bidirectional lead screw 43 is driven to slide in the opposite direction in the correction groove 111 to reset. At this time, the second gear 63, due to the meshing relationship with the second rack 64, will drive the ratchet 62 to rotate in the opposite direction, but due to the one-way transmission relationship between the ratchet 62 and the pawl 61, it will not drive the bidirectional lead screw 43 to rotate, that is, the two clamps 46 still remain in a state of moving away from each other; as the bidirectional lead screw 43 continues to slide and reset in the correction groove 111, the distance between the movable plate 41 and the vertical rod 48 gradually increases, and the length of the telescopic rod 47 gradually increases until the clamping assembly is reset to the initial state.

[0061] When any adjustment plate 3 slides on the roller body 2, the two clamping plates 46 away from the position where the adjustment plate 3 is located respectively have: a clamping stroke, a deviation correction stroke and a reset stroke;

[0062] In the clamping stroke: the two clamping plates 46 approach each other to clamp the strip;

[0063] In the deviation correction stroke: the two clamping plates 46 move synchronously with the strip along the transmission direction, and at the same time, the two clamping plates 46 move along the width direction of the strip, so that the position of the strip clamped by the two clamping plates 46 on the roller body 2 is adjusted;

[0064] In the reset stroke, the two clamping plates 46 move away from each other, release the clamping of the strip steel, and move horizontally in the direction opposite to the conveying direction of the strip steel to reset.

[0065] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A sinking roller suitable for zinc-aluminum-magnesium alloy, characterized in that: include: Zinc pot (1); A roller body (2) rotatably connected in the zinc pot (1); Two adjustment plates (3) are symmetrically rotated and slidably connected to the two ends of the roller body (2); A clamping mechanism (4) comprising two clamping assemblies respectively arranged on both sides of the zinc pot (1), each clamping assembly comprising two clamping plates (46), and both clamping plates (46) are in clamping cooperation with the steel strip; The clamping assembly comprises a moving plate (41) slidably connected to the zinc pot (1), the moving plate (41) is provided with two straight grooves (411), the moving plate (41) is slidably connected to two lifting plates (42), the two lifting plates (42) are both provided with a transverse groove (421), the moving plate (41) is rotatably connected to a bidirectional screw rod (43), the bidirectional screw rod (43) is respectively screwed to the two lifting plates (42), the two straight grooves (411) are both slidably connected to a push rod (44), the push rod (44) is both fixedly connected to a slider (45), the two sliders (45) are respectively slidably connected to the two transverse grooves (421) in a one-to-one correspondence, and the two push rods (44) are respectively fixedly connected to the two clamping plates (46) in a one-to-one correspondence; A fixed plate (11) is fixedly connected inside the zinc pot (1), a deviation correction groove (111) and a slide groove (112) are provided on the fixed plate (11), a bidirectional screw rod (43) is slidably connected in the deviation correction groove (111), a telescopic rod (47) is fixedly connected to the movable plate (41), a vertical rod (48) is fixedly connected to the telescopic rod (47), and the vertical rod (48) is slidably connected in the slide groove (112); It also includes a linkage mechanism (5), which includes a rotating disk (51) rotatably connected in the zinc pot (1), two first connecting rods (52) eccentrically rotatably abutting against the rotating disk (51), the two first connecting rods (52) are rotatably connected to the two adjustment plates (3) in a one-to-one correspondence, the two first connecting rods (52) are rotatably connected to the second connecting rods (53), the two second connecting rods (53) are rotatably connected to the first racks (54), the two first racks (54) are slidably connected to the zinc pot (1), the two bidirectional screw rods (43) are fixedly connected to the first gears (55), and the two first gears (55) are meshed with the two first racks (54) in a one-to-one correspondence; It also includes a reset mechanism (6), which includes two reset assemblies, each reset assembly includes a ratchet (61) elastically connected to a bidirectional screw rod (43), a ratchet (62) rotatably connected to the bidirectional screw rod (43), the ratchet (61) and the ratchet (62) are engaged with each other, a second gear (63) is fixedly connected to the ratchet (62), a second rack (64) is fixedly connected to the fixed plate (11), the second gear (63) and the second rack (64) are engaged with each other, and a first spring (65) is provided between the vertical rod (48) and the fixed plate (11); When any adjustment plate (3) slides on the roller body (2), the two clamping plates (46) at the position away from the adjustment plate (3) respectively have: a clamping stroke, a deviation correction stroke and a reset stroke; In the clamping stroke: the two clamping plates (46) approach each other to clamp the strip; In the deviation correction stroke: the two clamping plates (46) move synchronously with the steel strip along the transmission direction, and at the same time, the two clamping plates (46) move along the width direction of the steel strip, so that the position of the steel strip clamped by the two clamping plates (46) on the roller body (2) is adjusted; In the reset stroke, the two clamping plates (46) move away from each other, release the clamping of the steel strip, and move horizontally in the direction opposite to the conveying direction of the steel strip to reset.

2. A sinking roller suitable for zinc-aluminum-magnesium alloy according to claim 1, characterized in that: The length and height of the slider (45) are equal.

3. A sinking roller suitable for zinc-aluminum-magnesium alloy according to claim 1, characterized in that: The first connecting rod (52) and the second connecting rod (53) are rotatably connected via a rotating shaft.

4. A sinking roller suitable for zinc-aluminum-magnesium alloy according to claim 3, characterized in that: The rotating disk (51) is symmetrically provided with two through grooves (511), and the two rotating shafts are slidably abutted against the two through grooves (511) in a one-to-one correspondence.

5. The sinking roller suitable for zinc-aluminum-magnesium alloy according to claim 1, characterized in that: A torsion spring is arranged between the rotating disk (51) and the zinc pot (1).

6. The sinking roller suitable for zinc-aluminum-magnesium alloy according to claim 1, characterized in that: A second spring (31) is arranged between the two adjustment plates (3) and the roller body (2).

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