Oxidation anti-rust treatment equipment for steel surface anti-rust treatment

Abstract

The oxidation anti-rust treatment equipment for steel surface anti-rust treatment comprises a base, one end of the top of the base is fixedly connected with a fixing seat, the top of the fixing seat is rotationally provided with a rotating ring through a driving mechanism, and the inner wall face of the rotating ring is fixedly connected with a plurality of brushes; and the multiple brushes are annularly and evenly distributed and arrayed along the inner wall face of the rotating ring at intervals, and the side wall of the fixing base is fixedly connected with a containing box. According to the oxidation anti-rust treatment equipment for steel surface anti-rust treatment, steel enters the interior of the containing box, conveying rollers rotate, long steel can be automatically fed, the steel sequentially penetrates through the interiors of two spraying frames, and after an anti-rust agent is sprayed out through atomization of a plurality of atomizing nozzles, anti-rust machining treatment can be conducted on the surface of the steel; machining operation is simple and rapid, the labor amount of workers is reduced, and the rust-proof treatment machining efficiency of the steel is improved.

Description

Technical Field

[0001] The invention relates to the technical field of steel anti-rust treatment, in particular to an oxidation anti-rust treatment device for steel surface anti-rust treatment. Background Art

[0002] In the anti-rust treatment of steel surface, oxidation anti-rust treatment equipment is a vital link. This equipment mainly forms a dense oxide film on the surface of steel through a specific process, thereby isolating oxygen and water vapor in the air to achieve the purpose of rust prevention. Oxidation anti-rust treatment equipment for steel surface anti-rust treatment plays a vital role in the steel processing and manufacturing process.

[0003] Steel, as an important engineering material, is widely used in the fields of construction, bridges, machinery manufacturing, and the automotive industry. However, the corrosion problem of steel not only affects its aesthetics and service life, but may also lead to safety hazards and economic losses. In the existing technology, when faced with long steel, workers can only manually apply a rust inhibitor layer to the surface of the steel, which is cumbersome and time-consuming, and consumes a lot of labor for the workers. Summary of the invention

[0004] In view of the deficiencies of the prior art, the present invention provides an oxidation anti-rust treatment device for steel surface anti-rust treatment, which solves the problem in the prior art that when faced with long steel, the staff can only manually apply an anti-rust agent layer to the steel surface.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: an oxidation anti-rust treatment device for steel surface anti-rust treatment, comprising a base, one end of the top of the base is fixedly connected to a fixed seat, the top of the fixed seat is provided with a rotating ring through a driving mechanism, the inner wall surface of the rotating ring is fixedly connected to a plurality of brushes, and a plurality of the brushes are evenly distributed and arranged in a ring shape along the inner wall surface of the rotating ring, the side wall of the fixed seat is fixedly connected to a containing box, the top of the containing box is connected to a hollow cylinder, the inner wall surface of the hollow cylinder is provided with a plurality of air inlets, the other side of the containing box is connected to a transverse tube, the surface of the transverse tube is provided with a dust bag, and the interior of the containing box is provided with a negative pressure mechanism for injecting airflow into the interior of the transverse tube;

[0006] A plurality of supporting legs are fixedly connected to the top of the base, a storage box is fixedly connected to the top of the supporting legs, and a second motor is fixedly connected to both ends of the front side of the storage box, and an output shaft of the second motor rotates and extends to the inner cavity of the storage box and is fixedly connected to a conveying roller;

[0007] Spray frames are detachably provided at both ends of the inner cavity of the containing box, the inner walls of the two spray frames are connected with a plurality of atomizing nozzles, and a liquid pump mechanism for injecting two kinds of rust inhibitors into the two spray frames is provided on the top of the containing box.

[0008] Furthermore, the driving mechanism includes a first motor, a first rotating rod and a driven gear, the first motor is fixedly connected to a side surface of the fixed base, the first rotating rod is fixedly connected to the output shaft of the first motor, the other end of the first rotating rod rotates and extends to the inner cavity of the fixed base, and is fixedly connected to a driving gear, the driven gear is fixedly connected to the surface of the rotating ring and meshes with the driving gear, and the front end and the rear end on both sides of the inner wall of the fixed base are rotatably provided with first support wheels that contact the surface of the rotating ring.

[0009] Furthermore, the negative pressure mechanism includes a fan blade, and the fan blade is arranged in the inner cavity of the storage box. The other end of the first rotating rod rotates to penetrate the inner cavity of the storage box and is fixedly connected to the surface of the fan blade.

[0010] Furthermore, both ends of the top of the containing box are vertically fixedly connected with electric telescopic rods, and the bottom end of the electric telescopic rod movably extends to the inner cavity of the containing box and is fixedly connected with a pressure roller.

[0011] Furthermore, both ends of the front side of the containing box are provided with inspection covers which can be disassembled by a plurality of screws, and the inner side of the inspection cover is fixedly connected to the surface of the spraying frame at the same end.

[0012] Furthermore, the liquid pump mechanism includes two protective shells and two liquid storage barrels, the two liquid storage barrels are fixedly connected to the top of the base, the two protective shells are respectively fixedly connected to one end and the other end of the top of the containing box, the interior of the protective shell is fixedly connected with a liquid pump body, the liquid outlet of the liquid pump body is connected with a telescopic hose, the other end of the telescopic hose is connected with the spray frame at the same end, the liquid inlet of the liquid pump body is connected with a liquid inlet pipe, the other end of the liquid inlet pipe is connected with the bottom of the inner cavity of the liquid storage barrel at the same end.

[0013] Furthermore, the top of the liquid storage barrel is connected to a vertical pipe, a piston is detachably provided on the top of the vertical pipe, and an observation window is provided on the side wall of the liquid storage barrel.

[0014] Furthermore, a third motor is fixedly connected to the inner cavity of the base, a second rotating rod is rotatably provided in the inner cavity of the liquid storage barrel, a plurality of stirring blades are fixedly connected to the surface of the second rotating rod, the bottom end of the second rotating rod rotates and extends to the inner cavity of the base, a third motor is fixedly connected to the bottom of the inner wall of the base, the output shaft of the third motor is fixedly connected to the bottom end of one of the second rotating rods, pulleys are fixedly connected to the surfaces of the two second rotating rods, and the two pulleys are connected by belt transmission.

[0015] Furthermore, it also includes a plurality of support seats, which are respectively arranged at both ends of the base and are evenly spaced and arranged along its length direction. The bottom of the observation window is fixedly connected with a self-locking universal wheel, and the top of the support seat is rotatably provided with a second support wheel.

[0016] Furthermore, the two liquid storage barrels store the passivation film type rust inhibitor and the precipitation film type rust inhibitor respectively.

[0017] Compared with the prior art, the present invention has the beneficial effect that after the steel passes through the interior of the rotating ring, the rotating ring can be driven to rotate by the driving mechanism, and multiple brushes brush and clean the surface of the steel, making the dust and impurities attached to the surface of the steel more active. After the negative pressure mechanism works, the steel passes through the interior of the hollow cylinder, and the negative pressure absorbs the active dust and impurities on the surface of the steel, and transports them to the interior of the dust removal bag through the horizontal pipe for collection. The steel enters the interior of the holding box, and the longer steel can be automatically fed by the rotation of the conveying roller. The steel passes through the interior of the two spray frames in turn, and after the rust inhibitor is atomized and sprayed out by multiple atomizing nozzles, the surface of the steel can be treated with rust prevention. The processing operation is simple and fast, which reduces the workload of the staff and improves the efficiency of the rust prevention treatment of steel. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front structural schematic diagram of the present invention;

[0019] Figure 2 It is a structural schematic diagram of the base and the containing box in the present invention;

[0020] Figure 3 It is a schematic diagram of the structure of the conveying roller and the pressure roller in the present invention;

[0021] Figure 4 It is a structural schematic diagram of the liquid storage barrel and the stirring blade in the present invention;

[0022] Figure 5 It is a structural schematic diagram of the driving mechanism in the present invention;

[0023] Figure 6 It is a schematic diagram of the structure of the rotating ring and the brush in the present invention.

[0024] In the figure: 1, base; 2, fixed seat; 3, first motor; 4, storage box; 5, first rotating rod; 6, driving gear; 7, first supporting wheel; 8, rotating ring; 9, driven gear; 10, brush; 11, fan blade; 12, hollow cylinder; 13, air inlet; 14, horizontal pipe; 15, dust bag; 16, supporting leg; 17, storage box; 18, second motor; 19, conveying roller; 20, electric telescopic rod; 21, Pressure roller; 22. Screws; 23. Inspection cover; 24. Spray frame; 25. Atomizing nozzle; 26. Protective shell; 27. Liquid pump body; 28. Telescopic hose; 29. ​​Liquid inlet pipe; 30. Third motor; 31. Second rotating rod; 32. Pulley; 33. Liquid storage barrel; 34. Stirring blade; 35. Vertical pipe; 36. Piston; 37. Observation window; 38. Support seat; 39. Self-locking universal wheel; 40. Second support wheel. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] See also Figure 1-6 The present invention provides a technical solution: an oxidation anti-rust treatment device for steel surface anti-rust treatment, comprising a base 1, one end of the top of the base 1 is fixedly connected to a fixed seat 2, the top of the fixed seat 2 is provided with a rotating ring 8 which is rotated by a driving mechanism, and the inner wall surface of the rotating ring 8 is fixedly connected to a plurality of brushes 10, and the plurality of brushes 10 are evenly distributed and arranged in a circular shape along the inner wall surface of the rotating ring 8.

[0027] The side wall of the fixing seat 2 is fixedly connected with a containing box 4 , the top of the containing box 4 is connected with a hollow cylinder 12 , and the inner wall surface of the hollow cylinder 12 is provided with a plurality of air inlets 13 .

[0028] The other side of the storage box 4 is connected to a transverse pipe 14 , and a dust bag 15 is detachably mounted on the surface of the transverse pipe 14 . A negative pressure mechanism for injecting airflow into the transverse pipe 14 is disposed inside the storage box 4 .

[0029] A plurality of supporting legs 16 are fixedly connected to the top of the base 1, a receiving box 17 is fixedly connected to the top of the supporting legs 16, a second motor 18 is fixedly connected to both ends of the front side of the receiving box 17, an output shaft of the second motor 18 rotates and extends to the inner cavity of the receiving box 17, and a conveying roller 19 is fixedly connected thereto.

[0030] Spray frames 24 are detachably provided at both ends of the inner cavity of the containing box 17 , and the inner walls of the two spray frames 24 are connected to a plurality of atomizing nozzles 25 . A liquid pump mechanism for injecting two types of rust inhibitors into the two spray frames 24 is provided on the top of the containing box 17 .

[0031] After the steel passes through the interior of the rotating ring 8, the rotating ring 8 can be driven to rotate by the driving mechanism, and a plurality of brushes 10 brush and clean the surface of the steel, making the dust and impurities attached to the surface of the steel more active.

[0032] After the negative pressure mechanism works, the steel passes through the interior of the hollow cylinder 12, and the negative pressure absorbs active dust impurities on the surface of the steel and transports them to the interior of the dust removal bag 15 through the horizontal pipe 14 for collection.

[0033] The steel enters the interior of the containing box 17, and the longer steel can be automatically fed by the rotation of the conveying roller 19. The steel passes through the interior of the two spray frames 24 in turn, and after the rust inhibitor is atomized and sprayed out by multiple atomizing nozzles 25, the surface of the steel can be treated with rust prevention. The processing operation is simple and fast, which reduces the workload of the staff and improves the efficiency of the rust prevention processing of the steel.

[0034] The driving mechanism includes a first motor 3, a first rotating rod 5 and a driven gear 9. The first motor 3 is fixedly connected to one side of the fixed base 2. The first rotating rod 5 is fixedly connected to the output shaft of the first motor 3. The other end of the first rotating rod 5 rotates and extends to the inner cavity of the fixed base 2 and is fixedly connected to the driving gear 6.

[0035] The driven gear 9 is fixedly connected to the surface of the rotating ring 8 and meshes with the driving gear 6 . The front and rear ends of both sides of the inner wall of the fixing seat 2 are rotatably provided with first supporting wheels 7 that contact the surface of the rotating ring 8 .

[0036] After the first motor 3 starts working, the driving gear 6 can be driven to rotate through the first rotating rod 5, and then the rotating ring 8 is driven to rotate by the transmission of the driven gear 9 and the support of the multiple first supporting wheels 7, so that the multiple brushes 10 brush and clean the surface of the steel.

[0037] The negative pressure mechanism includes a fan blade 11 , which is disposed in the inner cavity of the accommodating box 4 . The other end of the first rotating rod 5 rotates to penetrate the inner cavity of the accommodating box 4 and is fixedly connected to the surface of the fan blade 11 .

[0038] During the rotation of the first rotating rod 5 , the fan blades 11 are driven to rotate, and the airflow inside the storage box 4 is injected into the dust bag 15 , so that negative pressure is generated inside the storage box 4 , and then the multiple air intake ports 13 absorb the external airflow.

[0039] Both ends of the top of the storage box 17 are vertically fixedly connected with electric telescopic rods 20. The bottom end of the electric telescopic rod 20 movably extends to the inner cavity of the storage box 17 and is fixedly connected with a pressure roller 21.

[0040] After the steel passes through the interior of the containing box 17, the electric telescopic rod 20 extends, driving the pressure roller 21 to contact the surface of the steel, thereby improving the stability of the conveying roller 19 in the process of driving the steel to move and convey.

[0041] Both ends of the front side of the containing box 17 are provided with a maintenance cover plate 23 which can be disassembled by a plurality of screws 22, and the inner side surface of the maintenance cover plate 23 is fixedly connected to the surface of the spray frame 24 at the same end.

[0042] After removing the plurality of screws 22 , the spray frame 24 can be taken out from the interior of the containing box 17 through the inspection cover 23 , so as to facilitate cleaning and maintenance of the atomizing nozzle 25 .

[0043] The liquid pump mechanism includes two protective shells 26 and two liquid storage barrels 33. The two liquid storage barrels 33 are fixedly connected to the top of the base 1. The two protective shells 26 are respectively fixedly connected to one end and the other end of the top of the storage box 17. The inside of the protective shell 26 is fixedly connected to the liquid pump body 27.

[0044] The liquid outlet of the liquid pump body 27 is connected to a telescopic hose 28, the other end of which is connected to the spray frame 24 at the same end. The liquid inlet of the liquid pump body 27 is connected to a liquid inlet pipe 29, the other end of which is connected to the bottom of the inner cavity of the liquid storage barrel 33 at the same end.

[0045] After the liquid pump body 27 is working, the rust inhibitor in the liquid storage barrel 33 can be extracted through the liquid inlet pipe 29 and transported to the inside of the spray frame 24 through the telescopic hose 28, and then atomized and sprayed out after being divided through the multiple atomizing nozzles 25.

[0046] The top of the liquid storage barrel 33 is connected to a vertical pipe 35 , a piston 36 is detachably provided at the top of the vertical pipe 35 , and an observation window 37 is provided on the side wall of the liquid storage barrel 33 .

[0047] The inner cavity of the base 1 is fixedly connected to a third motor 30, the inner cavity of the liquid storage barrel 33 is rotatably provided with a second rotating rod 31, the surface of the second rotating rod 31 is fixedly connected to a plurality of stirring blades 34, the bottom end of the second rotating rod 31 rotates and extends to the inner cavity of the base 1, and the bottom of the inner wall of the base 1 is fixedly connected to the third motor 30.

[0048] The output shaft of the third motor 30 is fixedly connected to the bottom end of a second rotating rod 31 , and the surfaces of the two second rotating rods 31 are fixedly connected with pulleys 32 , and the two pulleys 32 are connected via a belt transmission.

[0049] After the third motor 30 drives a second rotating rod 31 to rotate, the two second rotating rods 31 can be driven to rotate together through the transmission of two pulleys 32 and the belt, thereby driving multiple stirring blades 34 to rotate, stirring the rust inhibitor inside the liquid storage barrel 33 to avoid precipitation of the rust inhibitor.

[0050] It also includes a plurality of support seats 38, which are respectively arranged at both ends of the base 1 and are evenly spaced and arranged along its length direction. The bottom of the observation window 37 is fixedly connected with a self-locking universal wheel 39, and the top of the support seat 38 is rotatably provided with a second support wheel 40.

[0051] The self-locking universal wheels 39 facilitate the transport and movement of the multiple support seats 38 . After the movement, the self-locking universal wheels 39 are self-locked, and the multiple second support wheels 40 support the longer steel materials, so that the steel materials can smoothly enter the inner cavity of the storage box 17 .

[0052] The two liquid storage barrels 33 store the passivation film type rust inhibitor and the precipitation film type rust inhibitor respectively.

[0053] Passivation film type rust inhibitors react chemically with the metal on the surface of steel to form an extremely thin and dense passivation film on the metal surface. The passivation film can effectively isolate the steel from direct contact with corrosive media such as moisture and oxygen in the air, thereby preventing the steel from rusting and corrosion.

[0054] The precipitation film type rust inhibitor reacts with the metal ions on the surface of steel to form a slightly soluble or insoluble precipitate, which is deposited on the surface of the steel to form a protective film. The precipitation film can cover the surface of the steel and isolate the metal from the corrosive medium.

[0055] During operation, after the steel passes through the interior of the rotating ring 8, the rotating ring 8 can be driven to rotate by the driving mechanism, and multiple brushes 10 brush and clean the surface of the steel to make the dust and impurities attached to the surface of the steel more active. After the negative pressure mechanism works, the steel passes through the interior of the hollow cylinder 12, and the negative pressure absorbs the active dust and impurities on the surface of the steel, and transports them to the interior of the dust bag 15 through the cross pipe 14 for collection. The steel enters the interior of the containing box 17, and the longer steel can be automatically fed by the rotation of the conveying roller 19. The steel passes through the interior of the two spray frames 24 in turn, and after the rust inhibitor is atomized and sprayed out by multiple atomizing nozzles 25, the surface of the steel can be treated with rust prevention, and the processing operation is simple and fast.

[0056] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0057] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An oxidation anti-rust treatment device for anti-rust treatment of steel surface, comprising a base (1), characterized in that: One end of the top of the base (1) is fixedly connected to a fixed seat (2), the top of the fixed seat (2) is provided with a rotating ring (8) which is rotatable by a driving mechanism, the inner wall surface of the rotating ring (8) is fixedly connected to a plurality of brushes (10), and the plurality of brushes (10) are evenly distributed and arranged in a circular shape along the inner wall surface of the rotating ring (8), the side wall of the fixed seat (2) is fixedly connected to a containing box (4), the top of the containing box (4) is connected to a hollow cylinder (12), the inner wall surface of the hollow cylinder (12) is provided with a plurality of air inlets (13), the other side surface of the containing box (4) is connected to a transverse tube (14), the surface of the transverse tube (14) is provided with a detachable dust bag (15), and the interior of the containing box (4) is provided with a negative pressure mechanism for injecting air into the interior of the transverse tube (14); A plurality of supporting legs (16) are fixedly connected to the top of the base (1), a receiving box (17) is fixedly connected to the top of the supporting legs (16), both ends of the front side of the receiving box (17) are fixedly connected to a second motor (18), an output shaft of the second motor (18) rotates and extends to the inner cavity of the receiving box (17), and is fixedly connected to a conveying roller (19); Spraying frames (24) are detachably provided at both ends of the inner cavity of the containing box (17), the inner wall surfaces of the two spraying frames (24) are connected to a plurality of atomizing nozzles (25), and a liquid pump mechanism for injecting two types of rust preventives into the two spraying frames (24) is provided at the top of the containing box (17).

2. The oxidation anti-rust treatment equipment for steel surface anti-rust treatment according to claim 1, characterized in that: The driving mechanism comprises a first motor (3), a first rotating rod (5) and a driven gear (9); the first motor (3) is fixedly connected to a side surface of the fixed seat (2); the first rotating rod (5) is fixedly connected to the output shaft of the first motor (3); the other end of the first rotating rod (5) is rotatably extended to the inner cavity of the fixed seat (2) and is fixedly connected to a driving gear (6); the driven gear (9) is fixedly connected to the surface of the rotating ring (8) and meshes with the driving gear (6); the front end and the rear end of both sides of the inner wall of the fixed seat (2) are rotatably provided with first supporting wheels (7) in contact with the surface of the rotating ring (8).

3. The oxidation anti-rust treatment equipment for steel surface anti-rust treatment according to claim 2, characterized in that: The negative pressure mechanism comprises a fan blade (11), wherein the fan blade (11) is arranged in the inner cavity of the containing box (4), and the other end of the first rotating rod (5) rotates to penetrate the inner cavity of the containing box (4) and is fixedly connected to the surface of the fan blade (11).

4. The oxidation anti-rust treatment equipment for steel surface anti-rust treatment according to claim 1, characterized in that: Both ends of the top of the containing box (17) are vertically fixedly connected to electric telescopic rods (20), and the bottom end of the electric telescopic rod (20) movably extends to the inner cavity of the containing box (17) and is fixedly connected to a pressure roller (21).

5. The oxidation anti-rust treatment equipment for steel surface anti-rust treatment according to claim 1, characterized in that: Both ends of the front side of the containing box (17) are provided with inspection covers (23) which can be disassembled by means of a plurality of screws (22), and the inner side of the inspection cover (23) is fixedly connected to the surface of the spraying frame (24) at the same end.

6. The oxidation anti-rust treatment equipment for steel surface anti-rust treatment according to claim 1, characterized in that: The liquid pump mechanism comprises two protective shells (26) and two liquid storage barrels (33), the two liquid storage barrels (33) are fixedly connected to the top of the base (1), the two protective shells (26) are respectively fixedly connected to one end and the other end of the top of the containing box (17), the interior of the protective shell (26) is fixedly connected with a liquid pump body (27), the liquid outlet of the liquid pump body (27) is connected with a telescopic hose (28), the other end of the telescopic hose (28) is connected with the spray frame (24) at the same end, the liquid inlet of the liquid pump body (27) is connected with a liquid inlet pipe (29), the other end of the liquid inlet pipe (29) is connected with the bottom of the inner cavity of the liquid storage barrel (33) at the same end.

7. The oxidation anti-rust treatment equipment for steel surface anti-rust treatment according to claim 6, characterized in that: The top of the liquid storage barrel (33) is connected to a vertical pipe (35), the top of the vertical pipe (35) is provided with a detachable piston (36), and the side wall of the liquid storage barrel (33) is provided with an observation window (37).

8. The oxidation anti-rust treatment equipment for steel surface anti-rust treatment according to claim 7, characterized in that: The inner cavity of the base (1) is fixedly connected to a third motor (30); the inner cavity of the liquid storage barrel (33) is rotatably provided with a second rotating rod (31); a plurality of stirring blades (34) are fixedly connected to the surface of the second rotating rod (31); the bottom end of the second rotating rod (31) rotates and extends to the inner cavity of the base (1); the bottom of the inner wall of the base (1) is fixedly connected to the third motor (30); the output shaft of the third motor (30) is fixedly connected to the bottom end of one of the second rotating rods (31); the surfaces of the two second rotating rods (31) are fixedly connected to pulleys (32); and the two pulleys (32) are connected via a belt transmission.

9. The oxidation anti-rust treatment equipment for steel surface anti-rust treatment according to claim 7, characterized in that: It also includes a plurality of support seats (38), wherein the plurality of support seats (38) are respectively arranged at both ends of the base (1) and are evenly spaced and arranged along the length direction thereof; a self-locking universal wheel (39) is fixedly connected to the bottom of the observation window (37), and a second support wheel (40) is rotatably arranged on the top of the support seat (38).

10. The oxidation anti-rust treatment equipment for steel surface anti-rust treatment according to claim 6, characterized in that: The two liquid storage barrels (33) store the passivation film type rust inhibitor and the precipitation film type rust inhibitor respectively.

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