A device for removing impurities from the surface of a forged product

Abstract

The utility model discloses a kind of forging surface impurity removal devices, including double-roller type phosphorus removal device, further including mounting bracket, cleaning roller, rotating shaft is rotatably connected with mounting bracket by being arranged in parallel with cleaning roller and rotating bracket, driving push rod and rotating unit for driving cleaning roller rotation assembled on rotating bracket and hinged with rotating bracket, cleaning roller includes support tube, first end cover, second end cover, water delivery pipe and several steel wire wheels of interval arrangement set in support tube outside, coaxial assembly is set in second end cover and with support tube internal communication, at least one interval drainage piece is provided between adjacent two steel wire wheels, water delivery pipe is connected with rotating bracket shaft, first drainage hole corresponding with several interval drainage pieces is provided and is passed-through on support tube, cleaning roller rotates after contacting with the top of forging, cleaning roller can improve the phosphorus removal efficiency and phosphorus removal quality of forging surface, make up the deficiency of existing double-roller type phosphorus removal device, avoid uneven phosphorus removal, missing stripe and other problems.

Description

Technical Field

[0001] This utility model relates to the technical field of cylindrical forging processing, specifically to a device for removing impurities from the surface of forgings. Background Technology

[0002] The twin-roller descaling unit is a key piece of equipment in hot rolling steel production lines for removing iron oxide scale from the surface of steel. Iron oxide scale, commonly known as "phosphorus scale," is an oxide that forms on the outer surface of forgings and is an impurity that needs to be removed after forging. The core component of the descaling machine is two parallel, high-strength descaling rollers that rotate at high speed in opposite directions.

[0003] Roller surfaces are typically designed with special toothed, grooved, or protruding structures to increase the crushing and frictional forces on the iron oxide scale. During rotation, these special toothed or protruding structures exert strong shearing, scraping, and grinding effects on the iron oxide scale. This causes the originally dense and firmly adhered iron oxide scale layer on the steel substrate to be broken, cracked, and peeled off, becoming loose and fragmented.

[0004] Another method for descaling high-temperature forgings is water mist descaling. The core principle of water mist descaling for high-temperature forgings is to use the instantaneous cooling of water mist to cause intense and inconsistent contraction between the base metal and the oxide scale, thereby generating thermal stress sufficient to cause the oxide scale to crack and peel off inside and at the interface, so that the external oxides are removed. However, this method has dead zones in the water mist spray, and there will still be some oxides on the surface of the forging.

[0005] Chinese patent application CN202211673495.5, entitled "A Device for Removing Oxide Scale from the Surface of Forgings," discloses a device for removing oxide scale from the surface of forgings. It includes two parallel rotating rollers with several sections of descaling teeth sleeved on the rollers along their length. Its working principle is the same as the aforementioned double-roller descaling device, which relies on the descaling rollers to be in close contact with the surface of the forging. If the forging is bent or the rollers are not properly adjusted, uneven descaling and missed stripes are likely to occur. Therefore, it is necessary to design a device for removing impurities from the surface of forgings. Utility Model Content

[0006] To address the aforementioned technical problems, the purpose of this utility model is to overcome the issues of uneven phosphorus removal and missed stripes in existing dual-roller mechanical phosphorus removal technologies.

[0007] To achieve the above objectives, this utility model provides a forging surface impurity removal device, including a double-roller descaling device, and further including: a mounting frame, a cleaning roller arranged parallel to and above the descaling roller in the double-roller descaling device, a rotating frame rotatably connected to the mounting frame via a rotating shaft arranged parallel to the cleaning roller, a drive push rod mounted on the mounting frame and hinged to the rotating frame, and a rotating unit mounted on the rotating frame for driving the cleaning roller to rotate.

[0008] The cleaning roller includes a support tube, a first end cap mounted on one end of the support tube, a second end cap mounted on the other end of the support tube, a water supply pipe coaxially mounted on the second end cap and communicating with the inside of the support tube, and a number of steel wire wheels spaced apart and sleeved on the outside of the support tube. At least one spaced drainage element is provided between each two adjacent steel wire wheels. The water supply pipe is shaft-connected to the rotating frame, and the support tube has a first drainage hole corresponding to the number of spaced drainage elements.

[0009] Preferably, at least one positioning protrusion is provided on the outer wall of the support tube along the same length direction, a first positioning groove matching the positioning protrusion is provided on the inner wall of the wire wheel, a second positioning groove matching the positioning protrusion is provided on the inner wall of the interval drainage component, at least one arc-shaped groove corresponding to the corresponding first drainage hole is recessed on the inner wall of the interval drainage component, and a plurality of second drainage holes are provided through the outer wall of the interval drainage component, spaced along the circumferential direction and connected to the corresponding arc-shaped groove.

[0010] Preferably, the outer diameter of the second end cap is larger than the outer diameter of the support tube, and a cylindrical portion is coaxially protruding on the first end cap. The outer wall of the cylindrical portion is provided with external threads, and a locking member that can abut against the spaced drainage member located at the outermost edge is threadedly connected to the cylindrical portion.

[0011] Preferably, the cylindrical portion has a conical groove recessed coaxially at the end away from the first end cover, and a detachable stabilizing arm is mounted on the rotating frame. The end of the stabilizing arm away from the rotating frame is connected by a bearing to a conical positioning member that can be inserted into the conical groove.

[0012] Preferably, the end of the stabilizer arm away from the tapered positioning member is provided with a through groove, and a mounting base is fixedly connected to the rotating frame. The mounting base includes a base part, a shaped boss fixedly connected to the base part and matching the shaped through groove, and a threaded rod fixedly connected to the shaped boss. A locking nut that can be pressed and held on the stabilizer arm is threadedly connected to the threaded rod.

[0013] Preferably, the rotating unit includes a motor mounted on a rotating frame, a pair of sprockets respectively fixedly sleeved on the water supply pipe and the motor output shaft, and a chain for connecting the pair of sprockets. The rotating frame is equipped with a housing sleeved on the outside of the sprockets and the chain.

[0014] Preferably, the outer wall of the locking member is provided with anti-slip texture, and the end of the locking member is provided with a hexagonal protrusion.

[0015] According to the above technical solution, the surface impurity removal device for forgings provided by this utility model has the following beneficial effects during use:

[0016] Firstly, a pair of descaling rollers can not only drive the forging to rotate, but also remove the scale. After the cleaning rollers come into contact with the top of the forging, the rotating unit drives the cleaning rollers to rotate. The cleaning rollers will improve the descaling efficiency of the forging surface and also improve the descaling quality, making up for the shortcomings of the existing double-roller descaling device and avoiding problems such as uneven descaling and missed streaks.

[0017] Secondly, water is transported to the interval drainage component through the first drainage hole. The interval drainage component can drain the water inside the support pipe, which not only cools the wire wheel and improves its service life, but also helps the oxides to fall off.

[0018] Thirdly, the combination of a pair of descaling rollers and a cleaning roller can perform descaling on forgings of different diameters, making it highly practical. When the diameter of the forging is too large, the descaling efficiency of the double-roller descaling device is low. However, when combined with the cleaning roller, it can improve the overall descaling quality and efficiency.

[0019] Other features and advantages of this utility model will be described in detail in the following detailed description section; and all parts not covered in this utility model are the same as or can be implemented using existing technology. Attached Figure Description

[0020] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the following detailed description to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0021] Figure 1 This is a three-dimensional structural diagram of a forging surface impurity removal device provided in this utility model;

[0022] Figure 2 This is a partially exploded schematic diagram of the cleaning roller of a forging surface cleaning device provided in this utility model;

[0023] Figure 3 This is a partial three-dimensional structural diagram of a forging surface impurity removal device provided in this utility model;

[0024] Figure 4 This utility model provides a device for removing impurities from the surface of forgings. Figure 3 A sectional view;

[0025] Figure 5 This utility model provides a device for removing impurities from the surface of forgings. Figure 4 Enlarged view of point A in the middle;

[0026] Figure 6 This is a three-dimensional structural diagram of the interval drainage component of a forging surface impurity removal device provided in this utility model;

[0027] Figure 7 This is a partially exploded schematic diagram of a forging surface impurity removal device provided in this utility model.

[0028] Explanation of reference numerals in the attached figures

[0029] 1. Mounting bracket; 2. Rotating shaft; 3. Rotating frame; 4. Drive push rod; 5. Support tube; 6. First end cap; 7. Second end cap; 8. Water supply pipe; 9. Interval drainage component; 10. Wire wheel; 11. First drainage hole; 12. Positioning protrusion; 13. First positioning slot; 14. Second positioning slot; 15. Arc groove; 16. Second drainage hole; 17. Cylindrical part; 18. Locking component; 19. Stabilizing arm; 20. Conical positioning component; 21. Mounting base; 22. Locking nut; 23. Motor; 24. Sprocket; 25. Housing; 26. Hexagonal protrusion; Detailed Implementation

[0030] The specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit the scope of this utility model.

[0031] In this utility model, unless otherwise stated, directional words such as "upper," "lower," "inner," and "outer" included in the terminology only represent the orientation of the term in its conventional use or are common terms understood by those skilled in the art, and should not be regarded as limitations on the term.

[0032] like Figure 1-7 As shown, a surface cleaning device for forgings includes a double-roller descaling device, and further includes: a mounting frame 1, a cleaning roller arranged parallel to and above the descaling roller in the double-roller descaling device, a rotating frame 3 rotatably connected to the mounting frame 1 via a rotating shaft 2 arranged parallel to the cleaning roller, a drive push rod 4 mounted on the mounting frame 1 and hinged to the rotating frame 3, and a rotating unit mounted on the rotating frame 3 for driving the cleaning roller to rotate.

[0033] The cleaning roller includes a support tube 5, a first end cap 6 mounted on one end of the support tube 5, a second end cap 7 mounted on the other end of the support tube 5, a water supply pipe 8 coaxially mounted on the second end cap 7 and communicating with the inside of the support tube 5, and a number of steel wire wheels 10 spaced apart and sleeved on the outside of the support tube 5. At least one spaced drainage element 9 is provided between each two adjacent steel wire wheels 10. The water supply pipe 8 is axially connected to the rotating frame 3. The support tube 5 is provided with first drainage holes 11 corresponding to the number of spaced drainage elements 9.

[0034] In the above technical solutions, the double-roller dephosphorization device is an existing mature technology, so it is not shown in the figure, and its structure and working principle will not be described in this article.

[0035] A cylindrical forging is placed between a pair of descaling rollers in a double-roller descaling device. The pair of descaling rollers not only drive the forging to rotate, but also remove oxides from the surface of the forging. At the same time, an electric push rod drives the rotating frame 3 to rotate downward around the rotating shaft 2, so that the cleaning roller contacts the top of the forging. The rotating unit drives the cleaning roller to rotate, which improves the descaling efficiency and quality of the forging surface, thus making up for the shortcomings of the existing double-roller descaling device.

[0036] The water supply pipe 8 can be connected to the water pump through the movable interface, and water will enter the interior of the support pipe 5. The water is delivered to the interval drainage component 9 through the first drain hole 11. The interval drainage component 9 can drain the water inside the support pipe 5, which not only cools the wire wheel 10 and improves its service life, but also allows the water on the wire wheel 10 to come into contact with the surface of the forging. The temperature of the part of the forging surface in contact with the water is reduced, which is also conducive to the removal of oxides.

[0037] A pair of descaling rollers and cleaning rollers work together to descaling forgings of different diameters, making it highly practical. When the diameter of the forgings is too large, the descaling efficiency of the double-roller descaling device is low. However, when it is used in conjunction with the cleaning rollers, the overall descaling quality and efficiency can be improved.

[0038] In a preferred embodiment of this utility model, at least one positioning protrusion 12 is provided on the outer wall of the support tube 5 along the same length direction, a first positioning groove 13 matching the positioning protrusion 12 is provided on the inner wall of the wire wheel 10, a second positioning groove 14 matching the positioning protrusion 12 is provided on the inner wall of the interval drainage component 9, at least one arc-shaped groove 15 corresponding to the corresponding first drainage hole 11 is recessed on the inner wall of the interval drainage component 9, and a plurality of second drainage holes 16 are provided through the outer wall of the interval drainage component 9, spaced along the circumferential direction and connected to the corresponding arc-shaped grooves 15.

[0039] In the above technical solution, the water inside the support pipe 5 is discharged into the arc groove 15 through the first drainage hole 11, and then discharged through several second drainage holes 16. The positioning protrusion 12 cooperates with the first positioning slot 13 and the second positioning slot 14, so that the wire wheel 10 and the spacer drainage component 9 rotate synchronously with the support pipe 5.

[0040] In a preferred embodiment of the present invention, the outer diameter of the second end cap 7 is larger than the outer diameter of the support tube 5, and a cylindrical portion 17 is coaxially protruding on the first end cap 6. The outer wall of the cylindrical portion 17 is provided with an external thread, and a locking member 18 that can abut against the spaced drainage member 9 located at the outermost edge is threadedly connected to the cylindrical portion 17.

[0041] In the above technical solution, when the wire wheel 10 needs to be replaced, the locking part 18 is loosened and removed. Several wire wheels 10 and the interval drainage part 9 can then be removed from the end of the support tube 5 away from the second end cover 7. The new wire wheels 10 and the interval drainage part 9 are then put back on the support tube 5 in the order of arrangement. The locking part 18 is tightened, and the locking part 18 and the second end cover 7 tightly clamp the several wire wheels 10 and the interval drainage part 9 located between them from both sides.

[0042] In a preferred embodiment of the present invention, the cylindrical portion 17 is provided with a conical groove on the coaxial side of the end away from the first end cover 6, and a detachable stabilizing arm 19 is provided on the rotating frame 3. The end of the stabilizing arm 19 away from the rotating frame 3 is connected by a bearing to a conical positioning member 20 that can be inserted into the conical groove.

[0043] In the above technical solution, when replacing the wire wheel 10, the stabilizer arm 19 needs to be separated from the rotating frame 3 and the stabilizer arm 19 needs to be removed. After the wire wheel 10 is replaced, the conical positioning piece 20 is inserted into the conical groove and the stabilizer arm 19 is assembled onto the rotating frame 3.

[0044] One end of the support tube 5 is rotatably connected to the rotating frame 3, and the other end is positioned by the conical positioning piece 20 cooperating with the conical groove, so that the two ends hold the support tube 5, which can improve the stability of the cleaning roller during use.

[0045] In a preferred embodiment of this utility model, the end of the stabilizing arm 19 away from the conical positioning member 20 is provided with a through groove. The rotating frame 3 is fixedly connected to a mounting base 21. The mounting base 21 includes a base portion, a shaped boss fixedly connected to the base portion and matching the shaped through groove, and a threaded rod fixedly connected to the shaped boss. A locking nut 22 that can be pressed and held on the stabilizing arm 19 is threadedly connected to the threaded rod.

[0046] In the above technical solution, when the stabilizer arm 19 needs to be removed, the locking nut 22 can separate the irregular through groove from the irregular boss; during assembly, the irregular through groove is fitted onto the irregular boss, and then the locking bolt is fitted onto the threaded rod and tightened to firmly hold the stabilizer arm 19.

[0047] In a preferred embodiment of the present invention, the rotating unit includes a motor 23 mounted on a rotating frame 3, a pair of sprockets 24 respectively fixedly sleeved on the water supply pipe 8 and the output shaft of the motor 23, and a chain for connecting the pair of sprockets 24. The rotating frame 3 is equipped with a housing 25 sleeved on the outside of the sprockets 24 and the chain.

[0048] In the above technical solution, the motor 23 drives the water pipe 8 to rotate through a pair of sprockets 24 and a chain, and the housing 25 can intercept the oxides removed from the forging, so that the chain and sprockets 24 can be smoothly transmitted.

[0049] In a preferred embodiment of the present invention, the outer wall of the locking member 18 is provided with anti-slip texture, and the end of the locking member 18 is provided with a hexagonal protrusion 26.

[0050] In the above technical solution, the anti-slip texture facilitates manual loosening and tightening of the locking part 18, while the hexagonal protrusion 26 can cooperate with the wrench to loosen and tighten the locking part 18. The two work together to further improve the installation and disassembly speed of the locking part 18.

[0051] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the above embodiments. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention, and these simple modifications all fall within the protection scope of the present invention.

[0052] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable way without contradiction. In order to avoid unnecessary repetition, this utility model will not describe the various possible combinations separately.

[0053] Furthermore, various different embodiments of this utility model can be combined in any way, as long as they do not violate the spirit of this utility model, they should also be regarded as the content disclosed by this utility model.

Claims

1. A device for removing impurities from the surface of forgings, comprising a double-roller descaling device, characterized in that, Also includes: Mounting frame (1), a cleaning roller arranged parallel to and above the dephosphorizing roller in the double-roller dephosphorizing device, a rotating frame (3) rotatably connected to the mounting frame (1) via a rotating shaft (2) arranged parallel to the cleaning roller, a drive push rod (4) mounted on the mounting frame (1) and hinged to the rotating frame (3), and a rotating unit mounted on the rotating frame (3) for driving the cleaning roller to rotate. The cleaning roller includes a support tube (5), a first end cap (6) assembled at one end of the support tube (5), a second end cap (7) assembled at the other end of the support tube (5), a water supply pipe (8) coaxially mounted on the second end cap (7) and communicating with the inside of the support tube (5), and a number of steel wire wheels (10) spaced apart and sleeved on the outside of the support tube (5). At least one spaced drainage element (9) is provided between two adjacent steel wire wheels (10). The water supply pipe (8) is axially connected to the rotating frame (3). The support tube (5) has a first drainage hole (11) corresponding to the number of spaced drainage elements (9).

2. The forging surface impurity removal device according to claim 1, characterized in that, At least one positioning protrusion (12) is provided on the outer wall of the support tube (5) along the same length direction. A first positioning groove (13) matching the positioning protrusion (12) is provided on the inner wall of the wire wheel (10). A second positioning groove (14) matching the positioning protrusion (12) is provided on the inner wall of the interval drainage component (9). At least one arc-shaped groove (15) corresponding to the corresponding first drainage hole (11) is recessed on the inner wall of the interval drainage component (9). A plurality of second drainage holes (16) are provided through the outer wall of the interval drainage component (9) and are spaced along the circumferential direction and connected to the corresponding arc-shaped groove (15).

3. The forging surface impurity removal device according to claim 1, characterized in that, The outer diameter of the second end cap (7) is larger than the outer diameter of the support tube (5). A cylindrical part (17) is coaxially protruding on the first end cap (6). An external thread is provided on the outer wall of the cylindrical part (17). A locking part (18) that can abut against the spaced drainage part (9) located at the outermost edge is threadedly connected to the cylindrical part (17).

4. The forging surface impurity removal device according to claim 3, characterized in that, The cylindrical part (17) is provided with a conical groove on the coaxial end away from the first end cover (6). A detachable stabilizing arm (19) is provided on the rotating frame (3). The end of the stabilizing arm (19) away from the rotating frame (3) is connected by a bearing to a conical positioning piece (20) that can be inserted into the conical groove.

5. The forging surface impurity removal device according to claim 4, characterized in that, The end of the stabilizer arm (19) away from the tapered positioning member (20) is provided with a through groove. The rotating frame (3) is fixedly connected to a mounting base (21). The mounting base (21) includes a base part, a shaped boss fixedly connected to the base part and matching the shaped through groove, and a threaded rod fixedly connected to the shaped boss. The threaded rod is threadedly connected to a locking nut (22) that can be pressed on the stabilizer arm (19).

6. The forging surface impurity removal device according to claim 1, characterized in that, The rotating unit includes a motor (23) mounted on a rotating frame (3), a pair of sprockets (24) respectively fixedly sleeved on the water supply pipe (8) and the output shaft of the motor (23), and a chain for connecting the pair of sprockets (24). The rotating frame (3) is equipped with a housing (25) sleeved on the outside of the sprockets (24) and the chain.

7. The forging surface impurity removal device according to claim 3, characterized in that, The outer wall of the locking member (18) is provided with anti-slip texture, and the end of the locking member (18) is provided with a hexagonal protrusion (26).

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