A zinc kettle roller doctor blade and doctor blade device

Abstract

The application discloses a zinc pot roller scraper, which comprises a scraper base and a cutter head arranged on the scraper base, wherein the cutter head comprises end cutter heads arranged at the end of the scraper base and middle cutter heads arranged between the end cutter heads, and gaps are arranged between the end cutter heads and the middle cutter heads. In addition, the application also discloses a zinc pot roller scraper device, which comprises the zinc pot roller scraper, a cutter rod connected with the scraper base, and a driving element for driving the cutter rod to move along the axial direction of the zinc pot roller, so that the zinc pot roller scraper moves on the roller surface of the zinc pot roller. The zinc pot roller scraper can effectively improve the scraping performance and ensure smooth movement of the scraper, and can avoid the situation that the roller surface is scratched.

Description

Technical Field

[0001] This invention relates to a zinc pot roller cleaning device for a hot-dip galvanizing unit, and more particularly to a zinc pot roller scraper device. Background Technology

[0002] Currently, my country has become a major automobile manufacturing country, and most hot-dip galvanized automotive steel sheets are domestically produced. However, the highest-grade hot-dip galvanized automotive steel sheets are still partially imported or produced by only a few domestic steel companies. This is because, in manufacturing hot-dip galvanized automotive steel sheets, in addition to requiring the steel sheets to meet comprehensive performance requirements, it is also necessary to control the surface quality of the steel sheets. Improving the surface quality of steel sheets has become a new technological bottleneck.

[0003] In the existing technology, the zinc pot roller cleaning device and scraper blade of the hot-dip galvanizing unit are effective equipment and key components for eliminating several surface defects of steel plates. The use of the above-mentioned devices and equipment can improve the surface quality of steel plates to a certain extent.

[0004] However, it should be noted that in actual processing, the high-temperature conditions in molten metal, the corrugated grooves on the surface of the cemented carbide zinc pot roller, and the ever-increasing requirements for the surface quality of steel plates all place higher demands on the material and structure of the scraper.

[0005] Furthermore, to ensure smooth removal of zinc dross from the grooves on the zinc pot roller, the structure of these grooves is constantly being improved. The original wide and shallow grooves have been changed to narrower and deeper grooves, enhancing dross removal efficiency. However, in practical applications, it has been found that the original scraper design of the zinc pot roller is ineffective at scraping dross from the improved roller surface. Its high pressure setting can even lead to defects such as zinc dross formation, and it no longer meets actual requirements.

[0006] Therefore, the existing zinc pot roller scrapers are increasingly unable to meet the requirements. Currently, the solution for zinc pot roller scrapers is to further improve the scraping performance of the scraper; secondly, to ensure smooth scraper movement through optimization of the scraper design structure, so as to avoid scratching the roller surface.

[0007] Based on this, in order to address the problems of poor slag removal effect, and zinc slag defects caused by poor movement and skipping during the use of narrow groove zinc pot roller scrapers, this invention aims to obtain a new zinc pot roller scraper. Through the rational design of the scraper structure, it can effectively improve scraping performance, ensure smooth scraper movement, and avoid scratches on the roller surface.

[0008] This zinc pot roller scraper has a good slag removal effect on the surface of zinc pot rollers with narrow and fine grooves. It can effectively improve the slag removal effect during movement, while avoiding the shortcomings caused by thermal deformation deviation and assembly error. Using this zinc pot roller scraper for slag removal can improve product quality and effectively extend the service life of zinc pot rollers. Summary of the Invention

[0009] One of the objectives of this invention is to provide a zinc pot roller scraper that, through a reasonable design of the scraper structure, can effectively improve scraping performance and ensure smooth scraping during scraping, thus avoiding scratches on the roller surface.

[0010] The zinc pot roller scraper of this invention has a good slag removal effect on the surface of zinc pot rollers with narrow and fine grooves. It can effectively improve the slag removal effect during movement, while avoiding the shortcomings caused by thermal deformation deviation and assembly error. Using this zinc pot roller scraper for slag removal can not only effectively extend the service life of the zinc pot roller, but also improve the quality of the produced products.

[0011] To achieve the above objectives, the present invention provides a zinc pot roller scraper, which includes a scraper base and a cutter head disposed on the scraper base. The cutter head includes an end cutter head disposed at the end of the scraper base and an intermediate cutter head disposed between the end cutter heads, and there is a gap between the end cutter head and the intermediate cutter head.

[0012] In this invention, the inventors have obtained a new zinc pot roller scraper by optimizing the blade head structure. The scraper head is divided into two end blades and one intermediate blade, with a gap between the end blades and the intermediate blade. This structural design allows for the addition of a cutting edge inside the blade head that emphasizes scraping performance. During movement, the sharp angle at the cutting edge effectively removes zinc dross along the moving path, improving both the roller cleaning effect and the scraping performance.

[0013] Accordingly, in some preferred embodiments, the present invention can further control the guide angle of the outer side of the blade of the end cutter head to have an inclined portion or a rounded corner. By setting the guide angle of the inclined portion or rounded corner on the outer side of the blade of the end cutter head, the cutter head of the zinc pot roller scraper of the present invention can obtain a certain guiding and correction function, which can avoid defects and deficiencies caused by thermal deformation deviation and assembly error.

[0014] Furthermore, in the zinc pot roller scraper described in this invention, the cutting edges of the end cutter and the middle cutter are on a straight line.

[0015] Furthermore, in the zinc pot roller scraper described in this invention, both sides of the blade of the intermediate cutter head are right angles or conical angles.

[0016] Furthermore, in the zinc pot roller scraper of the present invention, the inner side of the blade of the end cutter head is a right angle or a cone angle, and the outer side of the blade of the end cutter head has a guide angle.

[0017] Furthermore, in the zinc pot roller scraper described in this invention, the guide angle is an inclined portion or a rounded portion.

[0018] Accordingly, another objective of the present invention is to provide a zinc pot roller scraper device, which can be used in conjunction with the zinc pot roller scraper described above to compensate for the vibration generated by the scraper when cleaning zinc slag on the roller surface, and at the same time better fit the roller surface to improve the slag scraping effect of the zinc pot roller surface.

[0019] To achieve the above objectives, the present invention provides a zinc pot roller scraper device, comprising:

[0020] The zinc pot roller scraper described above in this invention;

[0021] A blade holder, which is connected to the scraper base;

[0022] A driving element drives the cutter bar to move, thereby causing the zinc pot roller scraper to move along the axial direction of the zinc pot roller on the roller surface.

[0023] Furthermore, in the zinc pot roller scraper device of the present invention, the driving element is connected to the L-shaped upper blade arm via a first connecting pin, the L-shaped upper blade arm is connected to the blade arm ear plate via a second connecting pin, and the blade arm ear plate is connected to the blade rod.

[0024] Furthermore, in the zinc pot roller scraper device of the present invention, the driving element includes a cylinder.

[0025] Furthermore, in the zinc pot roller scraper device of the present invention, the zinc pot roller scraper moves along the axial direction of the zinc pot roller at a speed of 79.575 mm / min to 126.475 mm / min.

[0026] Furthermore, in the zinc pot roller scraper device of the present invention, the cylinder pressure is 0.2 to 0.3 MPa.

[0027] Compared with the prior art, the zinc pot roller scraper and scraper device of the present invention have the following advantages and beneficial effects:

[0028] In the existing technology, due to the optimization and improvement of the groove structure of the zinc pot roller, the existing scraper has poor cleaning effect in actual production and can hardly meet the production needs; the existing scraper has problems with smooth movement and jumping in the groove during the movement process, which will cause zinc dross defects and affect the quality of the zinc pot roller.

[0029] Compared with the prior art, the zinc pot roller scraper of the present invention can effectively improve scraping performance and ensure smooth scraping during scraping by rationally designing the scraper structure, thus avoiding scratches on the roller surface.

[0030] The zinc pot roller scraper of this invention has a good slag removal effect on the roller surface of zinc pot rollers with narrow and fine grooves. It can effectively improve the slag removal effect during movement, while avoiding the shortcomings caused by thermal deformation deviation and assembly error. Using this zinc pot roller scraper for slag removal can not only effectively extend the service life of the zinc pot roller, but also improve the quality of the product.

[0031] Accordingly, in order to better utilize the zinc pot roller scraper described above, the present invention also designs a new zinc pot roller scraper device, which can compensate for the vibration generated by the zinc pot roller scraper when cleaning zinc slag on the roller surface, and at the same time better fit the roller surface.

[0032] When the zinc pot roller scraper device described above is used in actual application, the matching between the moving speed of the zinc pot roller scraper and the width of the roller surface groove, as well as the specific use control method, can be further optimized according to the specific situation. This can effectively avoid wear on the surface of the zinc pot roller scraper and avoid the phenomenon of the scraper head jumping due to inconsistent groove shape. Attached Figure Description

[0033] Figure 1 The diagram schematically illustrates the connection between the zinc pot roller scraper and the scraper bar in one embodiment of the zinc pot roller scraper device of the present invention.

[0034] Figure 2 The diagram schematically illustrates the structure of the zinc pot roller scraper device of the present invention, in one embodiment, where the drive element drives the blade rod to move.

[0035] Figure 3 schematically shown Figure 2 The side view of the structure at point A of the zinc pot roller scraper device shown.

[0036] Figure 4 for Figure 3 The BB cross-sectional view shown.

[0037] Figure 5 The diagram schematically illustrates the motion trajectory of the zinc pot roller scraper device of the present invention in one embodiment, controlling the zinc pot roller scraper to scrape the roller surface. Detailed Implementation

[0038] The zinc pot roller scraper and scraper device of the present invention will be further explained and described below with reference to specific embodiments and accompanying drawings. However, such explanation and description do not constitute an improper limitation on the technical solution of the present invention.

[0039] In this invention, the zinc pot roller scraper device described herein can be used in conjunction with the zinc pot roller scraper described herein. It can be used to implement the zinc pot roller scraper described herein to compensate for the vibration generated by the scraper when cleaning zinc slag on the roller surface, and at the same time better fit the roller surface, thereby improving the slag scraping effect of the zinc pot roller surface.

[0040] Figure 1 The diagram schematically illustrates the connection between the zinc pot roller scraper and the scraper bar in one embodiment of the zinc pot roller scraper device of the present invention.

[0041] In this invention, the zinc pot roller scraper device may include: a zinc pot roller scraper, a scraper bar 1, and a driving element 5 (such as...). Figure 2 (As shown). The cutter bar 1 can be connected to the scraper base 2 of the zinc pot roller scraper; the driving element can drive the cutter bar 1 to perform actions.

[0042] like Figure 1 As shown, in this embodiment, the zinc pot roller scraper of the present invention may include: a scraper base 2 and a blade head disposed on the scraper base. The blade head may include: an end blade head 4 disposed at one end of the scraper base and an intermediate blade head 3 disposed between the end blade heads 4, with a gap between the end blade heads 4 and the intermediate blade head 3. In this embodiment, the end blade heads 4 and the intermediate blade head 3 may be made of cemented carbide, and the scraper base 2 may be made of heat-resistant stainless steel.

[0043] In this invention, in order to obtain a better slag removal and cleaning effect on the roller while preventing the scraper from damaging the roller surface, the scraper head of the zinc pot roller is designed as follows:

[0044] (1) An inclined or rounded guide angle 41 is provided at the end of the cutter head 4 on both sides. The guide angle 41 can effectively reduce the problem of poor contact between the cutter head and the roller surface caused by high temperature deformation or installation accuracy, and avoid damage to the roller surface.

[0045] (2) The blade is split into 3 pieces, including two end blades 4 and a middle blade 3 located between the two end blades 4. By changing the newly added cutting edge in the middle part to a cone angle or a right angle, the blade of the zinc pot roller scraper of the present invention can obtain excellent scraping performance.

[0046] (3) The cutting edges of the end cutter head 4 and the middle cutter head 3 are aligned in a straight line to facilitate contact with the roller surface.

[0047] Accordingly, further reading Figure 1As can be seen, in this embodiment, the cutting edges of the end blade 4 and the middle blade 3 of the zinc pot roller scraper of the present invention are arranged on a straight line, and both sides of the blade of the middle blade 4 are set as right angles, while the inner side of the blade of the end blade 4 is set as a cone angle, and the outer side of the blade of the end blade 4 is provided with a guide angle in the form of an inclined portion.

[0048] Of course, in some embodiments, the two sides of the blade of the middle blade 3 of the zinc pot roller scraper of the present invention can also be set as cone angles; the inner side of the blade of the end blade 4 can also be set as a right angle.

[0049] Correspondingly, unlike Figure 1 In some other embodiments, as shown in the embodiment, the guide angle 41 provided on the outer side of the blade of the end cutter 4 can be provided as a rounded corner.

[0050] In this invention, by providing a guide angle 41 with an inclined portion or a rounded corner on the outer side of the blade of the end cutter head 4, the cutter head of the zinc pot roller scraper described in this invention can obtain a certain guiding and correction function, which can avoid defects and deficiencies caused by thermal deformation deviation and assembly error.

[0051] This invention divides the cutter head into two end cutters 4 and one intermediate cutter head 3, with a gap between the end cutters 4 and the intermediate cutter head 3. An additional cutting edge emphasizing scraping performance is added inside the cutter head. During movement, the sharp angle at the cutting edge effectively removes zinc slag from the moving path, improving the roller cleaning effect. This invention combines the advantages of these two different structures, forming a novel cutter head structure that provides both correction and improved scraping performance.

[0052] It should be noted that, in this embodiment, the present invention is a zinc pot roller scraper composed of a carbide blade and a heat-resistant stainless steel scraper base. The specific manufacturing method of the zinc pot roller scraper may include the following steps:

[0053] 100. The cutter head is designed to include an end cutter head 4 located at the end of the scraper base 2 and an intermediate cutter head 3 located between the end cutter heads 4;

[0054] 200, Stellite 6 alloy is selected as the hard material to manufacture the cutting head, and the hardness of the cutting head is controlled to be 40-45HRC to manufacture the end cutting head 4 and the intermediate cutting head 3. The cutting edge of the intermediate cutting head 3 has right angles on both sides, the cutting edge of the end cutting head 4 has a cone angle on the inner side, and the cutting edge of the end cutting head 4 has a guide angle 41 with an inclined part on the outer side.

[0055] 300, according to the scraper usage requirements of the unit, the scraper base 2 is made of heat-resistant stainless steel;

[0056] 400, each end cutter head 4 and the middle cutter head 3 are assembled and welded to the scraper base 2, and there is a gap between the end cutter head 4 and the middle cutter head 3;

[0057] 500, the cutting edges of the end cutter head 4 and the intermediate cutter head 3 are in a straight line.

[0058] Therefore, through the above steps 100-500, the zinc pot roller scraper of the present invention can be effectively obtained. Accordingly, see [reference needed]. Figure 1 It can be seen that the zinc pot roller scraper can be further connected to the blade holder 1, and the blade holder 1 can in turn be connected to the following Figure 2 The cylinder connection shown as the driving element 5 has a pressure that can be controlled between 0.2 and 0.3 MPa, which can be adjusted by the operator according to the slag removal effect on the roller surface. The cylinder can drive the blade rod 1 to move, and the blade rod 1 can further drive the zinc pot roller scraper described in this invention to move.

[0059] Figure 2 The diagram schematically illustrates the structure of the zinc pot roller scraper device of the present invention, in one embodiment, where the drive element drives the blade rod to move.

[0060] like Figure 2 As shown, in order to reasonably implement the zinc pot roller scraper described in this invention, this invention also designs a zinc pot roller scraper device. The driving element 5 of this zinc pot roller scraper device can be selected as a cylinder, which can be connected to the L-shaped upper blade arm 7 through the first connecting pin 10. The L-shaped upper blade arm can be connected to the blade arm ear plate 8 through the second connecting pin 9. The blade arm ear plate 8 is connected to the blade rod 1.

[0061] Currently, the zinc pot roller scraper structure used in existing technologies is mostly driven by a cylinder, so that the zinc pot roller scraper presses against the roller surface of the zinc pot roller for cleaning. The self-overlapping of the scraper and the pressure of the cylinder act directly on the roller surface in a vertical direction, which will damage the roller surface and cause scratches in actual use. Acting on the roller surface from the rear side in a horizontal direction has an insignificant cleaning effect.

[0062] Therefore, the present invention has made certain optimizations to the relevant content and has solved the above problems by optimizing the mechanical structure design.

[0063] In the zinc pot roller scraper device of the present invention, the piston rod of the cylinder exerts downward force and drives the L-shaped upper blade arm 7 to press down through the first connecting pin 10. The L-shaped upper blade arm 7 can be connected to the blade arm ear plate 8 through the second connecting pin 9. When the L-shaped upper blade arm 7 presses down, it acts on the blade rod 1 through the side guide slider 6. The blade rod 1 drives the zinc pot roller scraper to realize the opening and closing of the zinc pot roller scraper.

[0064] If a rigid connection method is directly used where the cylinder connects the blade rod 1 to the roller surface, the zinc pot roller scraper will vibrate during actual use, resulting in the formation of zinc dross on the roller surface. Therefore, in this invention, the two hinge points, the second connecting pin 9 and the first connecting pin 10, ensure that the vibration generated by the zinc pot roller scraper when cleaning zinc dross on the roller surface can be compensated at the upper blade arm, thereby effectively preventing the zinc pot roller scraper from becoming blocked during movement.

[0065] like Figure 2 As shown, in this embodiment, the position of the zinc pot roller scraper relative to the submerged roller can be adjusted by the cooperation of the cylinder, the side guide slider 6, the L-shaped upper blade arm 7, the blade arm ear plate 8, the second connecting pin 9, and the first connecting pin 10. The angle α between the zinc pot roller scraper and the submerged roller after the scraper is engaged can preferably be controlled between 35° and 45° to ensure that the scraper fits well against the surface of the submerged roller. Further adjustment methods can be found in the following... Figure 3 .

[0066] Figure 3 schematically shown Figure 2 The side view of the structure at point A of the zinc pot roller scraper device shown.

[0067] Figure 4 for Figure 3 The BB cross-sectional view shown.

[0068] like Figure 3 and Figure 4 As shown, in this embodiment, the base 11 of the cutter bar can be provided with a base bolt waist hole 13, which can be used to install the rotating fixing bolt 12 and the cutter bar fixing seat bolt 14. When installing the rotating fixing bolt 12 and the cutter bar fixing seat bolt 14, do not tighten them, keep them loose, so as to adjust the position of the zinc pot roller scraper relative to the submerged roller.

[0069] When the rotating fixing bolt 12 and the knife bar fixing seat bolt 14 are kept loose, the operator can adjust the two anti-rotation fixing seat adjusting bolts 16 according to the contact state between the blade head of the zinc pot roller scraper connected to the knife bar 1 and the submerged roller surface, control the rotation direction of the knife bar shaft 18, and limit the rotation of the shaft by the stop bolt 17.

[0070] Accordingly, the operator can also adjust the two directions of the adjusting bolts 15 on both sides according to the contact state between the blade head of the zinc pot roller scraper connected to the blade bar 1 and the surface of the submerged roller.

[0071] After completing the above adjustments, the rotating fixing bolt 12 and the knife bar fixing seat bolt 14 can be tightened to position the knife bar base 11. The above adjustments can be repeated until the blade head of the zinc pot roller scraper connected to the knife bar 1 can fully fit against the roller surface of the submerged roller.

[0072] In addition, it should be noted that, besides optimizing the design of the zinc pot roller scraper structure and the zinc pot roller scraper device, the matching and control methods of the scraper movement speed and groove width can be further optimized in the actual use of the zinc pot roller scraper device described in this invention.

[0073] It should be noted that submerged rolls are usually designed with wide grooves, which makes the scraper move relatively flat on the roll surface. However, for submerged rolls with narrow groove structures, the pitch is narrower. When the scraper's moving speed does not match the width of the groove on the roll surface, the wear on the scraper surface will be inconsistent with the groove shape, causing the scraper to jump out of the groove during movement.

[0074] To address the aforementioned issues, this technical solution optimizes the scraper's moving speed to better match the groove width. In this solution, a variable frequency motor can be used to adjust the scraper's moving speed v to match the groove width a corresponding to the submerged roller's rotational speed v', thus ensuring that the scraper's wear conforms to the groove shape, exhibiting a complementary effect of concave and convex surfaces.

[0075] For example: the diameter range of the submerged roller of a hot-dip galvanizing unit is 755-800mm, the linear speed range of the submerged roller is 80-120m / min, and the groove width of the submerged roller is 2.5mm.

[0076] Based on the parameters of the submerged rollers in the hot-dip galvanizing unit mentioned above, the matching relationship between the scraper moving speed and the width of the roller surface grooves can be calculated and analyzed.

[0077] The submerged roller speed is calculated to be between 31.83 rpm and 47.75 rpm / min for the maximum roller diameter and between 33.73 rpm / min and 50.59 rpm / min for the minimum roller diameter. The resulting range of lateral movement speed of the groove along the roller surface is: 31.83 * 2.5 = 79.575 mm / min; 50.59 * 2.5 = 126.475 mm / min.

[0078] Therefore, it can be calculated that the speed corresponding to the matching of the scraper's moving speed and the groove width is 79.575 mm / min to 126.475 mm / min. Thus, in this embodiment, setting the zinc pot roller scraper's moving speed within the range of 79.575 mm / min to 126.475 mm / min is reasonable in the zinc pot roller scraper device of the present invention.

[0079] Furthermore, considering that raised wear marks will appear on the scraper after use, these wear marks should match the indentations on the roller surface to achieve a better cleaning effect. However, during the scraper's movement, the raised wear marks generated during the forward movement will mismatch during the subsequent return movement. Therefore, in using the zinc pot roller scraper device described in this invention, the control method can be further optimized to regulate the scraper's movement trajectory, as follows: Figure 5 As shown.

[0080] Figure 5 The diagram schematically illustrates the motion trajectory of the zinc pot roller scraper device of the present invention in one embodiment, controlling the zinc pot roller scraper to scrape the roller surface.

[0081] like Figure 5 As shown, in this invention, the control method can be further optimized to regulate the movement trajectory of the scraper when using the zinc pot roller scraper device described in this invention.

[0082] See Figure 5 As can be seen, the control method of the zinc pot roller scraper device of the present invention may include the following process:

[0083] 1) The piston rod of cylinder 5 extends and the knife bar 1 is pressed down. The zinc pot roller scraper presses against the roller surface and stays for 30 seconds (the dwell time can be controlled and set by the operator) to focus on cleaning the roller surface slag that is easy to accumulate in the non-strip working area on the edge of the roller.

[0084] 2) Start the variable frequency motor 19. The zinc pot roller scraper moves forward and stops for 30 seconds after reaching the end limit (the stopping time can be controlled and set by the operator) to focus on cleaning the roller surface slag that is easy to accumulate in the non-strip working area on the edge of the roller. After cleaning, the zinc pot roller scraper is lifted.

[0085] 3) The zinc pot roller scraper returns to the starting end limit during its idle stroke, and then the zinc pot roller scraper presses down onto the roller surface.

[0086] 4) Repeat the above steps until the set cleaning time ends or the automatic cleaning operation is manually stopped, and the scraper returns to the initial position to stop the operation.

[0087] It should be noted that in this embodiment, the opening and closing of the stabilizing roller is achieved using a rear stabilizing roller cylinder 20, which can drive the stabilizing roller cutter arm 21. In this embodiment, the movement of both the stabilizing roller and the submerged roller can be driven by a variable frequency motor 19.

[0088] See Figure 5As can be seen, in this invention, the zinc pot roller scraper can move along the axial direction of the zinc pot roller on its surface. In this embodiment, the cylinder pressure can be controlled between 0.2 and 0.5 MPa, and can be adjusted by the operator according to the slag removal effect on the roller surface.

[0089] It should be noted that, in this embodiment, the direction of movement of the zinc pot roller scraper when it is inserted for slag scraping needs to be consistent with the direction of the grooves on the roller surface, i.e., as shown below. Figure 5 The roller surface groove shown is left-handed, and the movement trajectory of the zinc pot roller scraper when it is put in is indicated by the arrow.

[0090] In summary, compared with the prior art, the zinc pot roller scraper of the present invention, through the rational design of the scraper structure, can effectively improve the scraping performance, ensure smooth scraper movement, and avoid scratching the roller surface.

[0091] The zinc pot roller scraper of this invention has a good slag removal effect on the roller surface of zinc pot rollers with narrow and fine grooves. It can effectively improve the slag removal effect during movement, while avoiding the shortcomings caused by thermal deformation deviation and assembly error. Using this zinc pot roller scraper for slag removal can improve product quality and effectively extend the service life of zinc pot rollers.

[0092] Accordingly, in order to better utilize the zinc pot roller scraper described above, the present invention also designs a new zinc pot roller scraper device, which can compensate for the vibration generated by the zinc pot roller scraper when cleaning zinc slag on the roller surface, and at the same time better fit the roller surface.

[0093] In practical use, the matching between the moving speed of the zinc pot roller scraper and the width of the roller surface groove, as well as the specific control method, can be further optimized to effectively avoid wear on the surface of the zinc pot roller scraper and avoid the phenomenon of the scraper head jumping due to inconsistent groove shape.

[0094] It should be noted that the combination of the technical features in this case is not limited to the combination methods described in the claims of this case or the combination methods described in the specific embodiments. All technical features described in this case can be freely combined or combined in any way, unless they contradict each other.

[0095] It should also be noted that the embodiments listed above are merely specific embodiments of the present invention. Obviously, the present invention is not limited to the above embodiments, and similar changes or modifications made thereto are those that can be directly derived or easily conceived by those skilled in the art from the content disclosed in the present invention, and should all fall within the protection scope of the present invention.

Claims

1. A zinc pot roller scraper, comprising a scraper base and a blade head disposed on the scraper base, characterized in that, The blade head includes: an end blade head disposed at the end of the scraper base and an intermediate blade head disposed between the end blade heads, with a gap between the end blade head and the intermediate blade head; the outer side of the blade of the end blade head has a guide angle, which is a rounded corner; both sides of the blade of the intermediate blade head are right angles.

2. The zinc pot roller scraper as described in claim 1, characterized in that, The cutting edges of the end cutter and the intermediate cutter are aligned in a straight line.

3. The zinc pot roller scraper as described in claim 1, characterized in that, The inner side of the cutting edge of the end cutter head is a right angle or a cone angle, and the outer side of the cutting edge of the end cutter head has a guide angle.

4. A zinc pot roller scraper device, characterized in that, It includes: The zinc pot roller scraper as described in any one of claims 1-3; A blade holder, which is connected to the scraper base; A driving element drives the cutter bar to move, thereby causing the zinc pot roller scraper to move along the axial direction of the zinc pot roller on the roller surface.

5. The zinc pot roller scraper device as described in claim 4, characterized in that, The driving element is connected to the L-shaped upper cutting arm via a first connecting pin, the L-shaped upper cutting arm is connected to the cutting arm lug via a second connecting pin, and the cutting arm lug is connected to the cutting bar.

6. The zinc pot roller scraper device as described in claim 4, characterized in that, The drive element includes a cylinder.

7. The zinc pot roller scraper device as described in claim 4, characterized in that, The zinc pot roller scraper moves along the axial direction of the zinc pot roller at a speed of 79.575 mm / min to 126.475 mm / min.

8. The zinc pot roller scraper device as described in claim 6, characterized in that, The cylinder pressure is 0.2–0.3 MPa.

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