An angle compensation and correction tool for processing oxygen blowing holes of oxygen lance nozzles

Abstract

The utility model provides an angle compensation and correction tooling for oxygen blowing hole processing of an oxygen lance nozzle, which relates to the technical field of mechanical processing equipment, including a base, a movable plate, an adjustment bracket, a dividing plate arranged on the movable plate, and a chuck arranged on the dividing plate; the adjustment bracket is arranged at one end of the base; one end of the movable plate is arranged on the adjustment bracket, and the other end is arranged on the base; the dividing plate is rotatably connected with the movable plate to achieve the purpose of correcting the end face of the oxygen blowing hole; the direction of the chuck connected to the oxygen lance nozzle to be processed is adjusted to facilitate the processing of the conical column, end face and tapered hole of the oxygen blowing hole, ensuring that the oxygen blowing hole of the lower section of the oxygen lance nozzle can be perfectly connected with the oxygen blowing hole of the upper section of the oxygen lance nozzle, and the overall operation process is simplified, the labor intensity is low, and the processing efficiency is significantly improved. The technical problem that the angle between the axis of the oxygen blowing hole and the axis of the oxygen lance body in the prior art is solved, and the time-consuming and labor-intensive correction and processing of the oxygen blowing holes one by one seriously affects the processing efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing equipment, in particular to an angle compensation and correction tool for processing oxygen blowing holes of an oxygen lance nozzle. Background Art

[0002] The oxygen lance is one of the main process equipment in oxygen converter steelmaking. Its bottom is disc-shaped. There are usually 4-6 oxygen blowing holes evenly arranged around the circumference of the oxygen lance nozzle body. The angle between the axis of the oxygen blowing holes and the axis of the oxygen lance body varies depending on the converter, and is usually between 12-16°.

[0003] The oxygen lance is made by welding the upper and lower sections of the oxygen lance nozzle separately. Before processing the oxygen blowing holes of the lower section of the oxygen lance nozzle, each oxygen blowing hole of the oxygen lance nozzle needs to be calibrated and processed one by one to ensure that the oxygen blowing holes of the lower section of the oxygen lance nozzle can be perfectly connected with the oxygen blowing holes of the upper section of the oxygen lance nozzle. However, due to the angle between the axis of the oxygen blowing hole and the axis of the oxygen lance body, it is time-consuming and laborious to calibrate and process the oxygen blowing holes one by one, which seriously affects the processing efficiency.

[0004] In the prior art, the use of a universal electric dividing head can improve the efficiency of correction, but the universal electric dividing head occupies too large a volume, the processing equipment is limited, and the price of the universal dividing head is too high, resulting in too high processing costs.

[0005] In view of this, the present utility model is proposed. Utility Model Content

[0006] The utility model aims to provide an angle compensation and correction tool for oxygen blowing hole processing of an oxygen lance nozzle, so as to solve the technical problem in the prior art that the oxygen blowing hole axis and the oxygen lance body axis exist an angle, and the correction and processing of the oxygen blowing holes one by one are time-consuming and labor-intensive, which seriously affects the processing efficiency.

[0007] In order to achieve the above-mentioned purpose of the utility model, the following technical solutions are adopted:

[0008] The utility model provides an angle compensation and correction tool for oxygen lance nozzle oxygen blowing hole processing, comprising a base, a movable plate, an adjustment bracket, a dividing plate arranged on the movable plate, and a chuck arranged on the dividing plate;

[0009] The adjustment bracket is arranged at one end of the base;

[0010] One end of the movable plate is arranged on the adjustment bracket, and the other end is arranged on the base;

[0011] The indexing plate is rotatably connected to the movable plate.

[0012] Furthermore, a positioning plate is provided at one end of the base, and the positioning plate is connected to one end of the movable plate. A limiting plate is provided at the other end of the base, and the limiting plate is used to limit the movement of the adjustment bracket.

[0013] Furthermore, the positioning plate includes a positioning plate I and positioning plates II respectively arranged at both ends of the positioning plate I, and the positioning plate I and the positioning plate II cooperate with each other to limit the movement of the movable plate.

[0014] Furthermore, the positioning plate also includes a positioning rotating pair, and the positioning rotating pair passes through the positioning plate II and is movably connected to one end of the movable plate.

[0015] Furthermore, the contact surface between the positioning plate 1 and the movable plate is an arc-shaped surface structure.

[0016] Furthermore, the movable plate is provided with a groove, and the dividing plate is rotatably connected to the groove via a connecting shaft.

[0017] Furthermore, the rotating connection structure includes a rotary roller, a bearing pressure plate and a fastening nut;

[0018] The rotary roller is arranged in the groove;

[0019] The connecting shaft passes through the rotary roller and the bearing pressure plate in sequence and is connected to the fastening nut;

[0020] The bearing pressure plate is fixed on the movable plate.

[0021] Furthermore, the chuck is fixedly connected to the indexing plate via a chuck connecting hole.

[0022] Furthermore, the dividing plate is provided with a plurality of equally divided holes, which are distributed along the circumference of the dividing plate, and the movable plate is provided with a reference hole, which cooperates with the equally divided holes to fix the position of the dividing plate and the movable plate.

[0023] Furthermore, the number of the equally divided holes is consistent with the number of oxygen blowing holes of the oxygen lance nozzle to be processed.

[0024] The utility model provides an oxygen lance nozzle oxygen blowing hole processing angle compensation correction tool, which can adjust the position or height of the adjustment bracket according to the angle of the oxygen blowing hole of the oxygen lance nozzle of different specifications to change the angle between the movable plate and the base, ensure that the angle between the movable plate and the base is consistent with the angle of the oxygen blowing hole, compensate for the angle difference, and achieve the purpose of correcting the end face of the oxygen blowing hole; by rotating the dividing plate, the direction of the chuck connected to the oxygen lance nozzle to be processed is adjusted, which is convenient for processing the cone column, end face and cone hole of the oxygen blowing hole, ensuring that the oxygen blowing hole in the lower section of the oxygen lance nozzle can be perfectly connected with the oxygen blowing hole in the upper section of the oxygen lance nozzle, and the overall operation process is simplified, the labor intensity is low, and the processing efficiency is significantly improved. It solves the technical problem in the prior art that due to the angle between the axis of the oxygen blowing hole and the axis of the oxygen lance body, it is time-consuming and labor-intensive to correct and process the oxygen blowing holes one by one, which seriously affects the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 A schematic diagram of the overall structure of an oxygen lance nozzle oxygen blowing hole processing angle compensation correction tooling provided in Example 1 of the utility model;

[0027] Figure 2 A schematic diagram of the structure provided in Example 1 of the utility model without a chuck;

[0028] Figure 3 for Figure 2 A schematic diagram of the structure from a top view;

[0029] Figure 4 for Figure 3 Schematic diagram of the cross-sectional structure along the AA direction;

[0030] Figure 5 A schematic diagram of the cross-sectional structure excluding the chuck provided in Example 2 of the utility model.

[0031] Icon: 1-base, 11-positioning plate I, 12-positioning plate II, 13-pin, 14-limiting plate;

[0032] 2-movable plate, 21-groove, 22-reference hole;

[0033] 3-Adjust the bracket;

[0034] 4- indexing plate, 41- connecting shaft, 42- chuck connecting hole, 43- equally divided holes;

[0035] 5-Chuck;

[0036] 6-Rotary roller conveyor;

[0037] 7-bearing pressure plate;

[0038] 8-Tighten the nut. DETAILED DESCRIPTION

[0039] Unless otherwise defined herein, scientific and technical terms used in conjunction with the present invention shall have the meanings commonly understood by those of ordinary skill in the art. The meaning and scope of the terms should be clear, however, in the case of any potential ambiguity, the definitions provided herein take precedence over any dictionary or external definitions. In this application, unless otherwise stated, the use of "or" means "and / or". In addition, the use of the term "including" and other forms is non-limiting.

[0040] The technical solution of the utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0041] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. 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.

[0042] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0043] In the description of the present utility model, it should be noted that the terms "proximal end", "distal end", "front end", "rear end", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0044] The terms "horizontal", "vertical" and the like do not mean that the components must be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0045] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be a communication between the two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0046] The utility model provides an oxygen lance nozzle oxygen blowing hole processing angle compensation correction tool, comprising a base 1, a movable plate 2, an adjustment bracket 3, a dividing plate 4 arranged on the movable plate 2 and a chuck 5 arranged on the dividing plate 4;

[0047] The adjustment bracket 3 is arranged at one end of the base 1;

[0048] One end of the movable plate 2 is arranged on the adjustment bracket 3, and the other end is arranged on the base 1;

[0049] The indexing plate 4 is rotatably connected to the movable plate 2 .

[0050] The angle between the movable plate and the base can be changed according to the position or height of the adjustable bracket 3 according to the angle of the oxygen blowing hole of the oxygen lance nozzle of different specifications, so as to ensure that the angle between the movable plate and the base is consistent with the angle of the oxygen blowing hole, compensate for the angle difference, and achieve the purpose of correcting the end face of the oxygen blowing hole. By rotating the dividing plate 4, the direction of the chuck 5 connected to the oxygen lance nozzle to be processed is adjusted, so as to facilitate the processing of the conical column, end face and tapered hole of the oxygen blowing hole, ensure that the oxygen blowing hole of the lower section of the oxygen lance nozzle can be perfectly connected with the oxygen blowing hole of the upper section of the oxygen lance nozzle, simplify the overall operation process, reduce labor intensity, and significantly improve processing efficiency. It solves the technical problem in the prior art that due to the angle between the axis of the oxygen blowing hole and the axis of the oxygen lance body, it is time-consuming and labor-intensive to correct and process the oxygen blowing holes one by one, which seriously affects the processing efficiency.

[0051] The base 1 is fixed to the working table of the processing machine tool, the chuck 5 is fixedly connected to the dividing plate 4, and the chuck 5 is used to clamp the oxygen lance nozzle to be processed.

[0052] In order to prevent the bracket 3 from being displaced due to external force during the processing, thereby affecting the angle of the movable plate 2.

[0053] In some specific embodiments, a positioning plate is provided at one end of the base 1 , and the positioning plate is connected to one end of the movable plate 2 . A limiting plate 14 is provided at the other end of the base 1 , and the limiting plate 14 is used to limit the movement of the adjustment bracket 3 .

[0054] One end of the movable plate 2 is fixed by the positioning plate, and the adjustment bracket 3 is prevented from displacement by the limiting plate 14 .

[0055] In order to facilitate the angle adjustment, the adjustment bracket 3 can be set as a telescopic structure with adjustable height, or set as an adjustment bracket 3 of different heights, and the adjustment bracket 3 of the required height can be replaced according to specific needs.

[0056] In some specific embodiments, the positioning plate includes a positioning plate I11 and positioning plates II12 respectively arranged at both ends of the positioning plate I11, and the positioning plate I11 and the positioning plate II12 cooperate with each other to limit the movement of the movable plate 2.

[0057] The positioning plate I11 abuts against one end of the movable plate 2 , and the positioning plate I11 and the positioning plate II12 cooperate with each other to prevent the movable plate 2 from being displaced horizontally or vertically along the upper end surface of the base 1 .

[0058] In order to prevent the movable plate 2 from being separated from the positioning plate I11 and the positioning plate II12 due to the change of the angle, the movable plate 2 is subjected to external force.

[0059] In some specific implementations, the positioning plate further includes a positioning rotation pair, and the positioning rotation pair passes through the positioning plate II12 and is movably connected to one end of the movable plate 2.

[0060] The movable plate 2 is movably connected to the positioning plate II12 through a positioning rotation pair to prevent the movable plate 2 from being separated from the positioning plate I11 and the positioning plate II12.

[0061] Among them, the positioning rotation pair is specifically a pin-bolt rotation pair, and the pin-bolt rotation pair refers to a system composed of relative rotation formed by a pin bolt and a pin screw hole.

[0062] The positioning plate I11 is used to assist the pin-bolt rotation pair to prevent the pin in the pin-bolt rotation pair from being subjected to excessive force.

[0063] In some specific implementations, the contact surface between the positioning plate I11 and the movable plate 2 is an arc-shaped surface structure.

[0064] The curved surface structure facilitates the rotation of the movable plate 2 .

[0065] In some specific implementations, a groove 21 is provided on the movable plate 2 , and the dividing plate 4 is rotatably connected to the groove 21 via a connecting shaft 41 .

[0066] A groove 21 with a stepped structure is provided at the center of the movable plate 2 , so that the connecting shaft is rotatably connected to the groove 21 , thereby realizing the rotatable connection between the indexing plate 4 and the movable plate 2 .

[0067] In some specific embodiments, the rotating connection structure includes a rotary roller 6, a bearing pressure plate 7 and a fastening nut 8;

[0068] The rotary roller 6 is arranged in the groove 21;

[0069] The connecting shaft 41 passes through the rotary roller 6 and the bearing pressure plate 7 in sequence and is connected to the fastening nut 8;

[0070] The bearing pressure plate 7 is fixed on the movable plate 2 .

[0071] The step-shaped structure of the groove 21 supports the rotary roller 6, and the indexing plate 4 and the movable plate 2 realize relative rotation through the rotary roller 6. The bearing pressure plate 7 and the fastening nut 8 cooperate with the connecting shaft 41 to connect the indexing plate 4 and the movable plate 2.

[0072] The rotary roller can be a bearing or a kinematic pair in which a steel ball plays a rotating role in a groove 21 correspondingly arranged between the indexing plate 4 and the movable plate 2 .

[0073] In some specific implementations, the chuck 5 is fixedly connected to the indexing plate 4 via the chuck connecting hole 42 .

[0074] The chuck 5 can be fixed by means of a bolt passing through the chuck connection hole 42 and being threadedly connected thereto.

[0075] In some specific embodiments, the dividing plate 4 is provided with a plurality of equally divided holes 43, and the plurality of equally divided holes 43 are distributed circumferentially along the dividing plate 4. The movable plate 2 is provided with a reference hole 22, and the reference hole 22 and the equally divided holes 43 cooperate with each other to fix the position of the dividing plate 4 and the movable plate 2.

[0076] For ease of adjustment, in some specific implementations, the number of the equally divided holes 43 is consistent with the number of oxygen blowing holes of the oxygen lance nozzle to be processed.

[0077] The equally divided holes 43 include 4 equally divided holes, 5 equally divided holes and 6 equally divided holes, and the reference hole 22 is consistent in size with the equally divided holes 43 .

[0078] According to the need, the pins can be passed through the reference hole 22 and the equally divided hole 43 in sequence to fix the relative position of the indexing plate 4 and the movable plate 2. It is convenient to process a corresponding oxygen blowing hole, so that the axis of the oxygen blowing hole is kept in a vertical direction, and the machine tool can conveniently process the inner and outer circles and end faces of the oxygen blowing hole; after the oxygen blowing hole is processed, the pin is pulled out, and after the indexing plate 4 is turned to the next equally divided hole 43 and aligned with the reference hole 22, the pin is used to position and process the next oxygen blowing hole, and so on, until all the oxygen blowing holes are processed.

[0079] In some specific implementations, the movable plate 2, the indexing plate 4 and the chuck 5 are all coaxially arranged.

[0080] The overall structure of the tooling is simple and practical. According to the angle of the oxygen blowing holes of oxygen lance nozzles of different specifications, the adjusting brackets 3 with different heights can be selected or the height of the adjusting bracket 3 can be adjusted by adjusting the angle to ensure that the angle between the movable plate and the base is consistent with the angle of the oxygen blowing hole, compensate for the angle difference, and achieve the purpose of correcting the end face of the oxygen blowing hole. The processing of the conical column, end face and conical hole of the oxygen blowing hole is convenient, the overall operation process is simplified, the labor intensity is low, and the processing efficiency is significantly improved.

[0081] Example 1

[0082] An angle compensation and correction tool for processing oxygen blowing holes of an oxygen lance nozzle comprises a base 1, a movable plate 2, an adjustment bracket 3, a dividing plate 4 and a chuck 5.

[0083] Combination Figure 1-2 For explanation, three positioning plates Ⅰ11 are arranged at intervals on the left side of the top of the base 1, positioning plates Ⅱ12 are arranged at the joints with the positioning plates Ⅰ11 on the front and rear sides of the base 1, the left side of the movable plate 2 is in contact with the positioning plate Ⅰ11, and the joints with the positioning plate Ⅰ11 are semicircular arc surfaces, and pins 13 are arranged at the center positions of the semicircular arc surfaces at both ends of the left side of the movable plate 2 and the positioning plates Ⅱ, wherein the pins 13 fix the rotating shaft, and the adjustment bracket 3 is arranged on the right side of the top of the base 1 and is fixedly connected to the base 1 by bolts. In order to prevent the adjustment bracket 3 from shaking, a limit plate 14 is arranged on the right side of the base 1 and fixedly connected to the base 1, and the adjustment bracket 3 is fixedly connected to the limit plate 14, and the positioning plate Ⅰ11 is used to assist the pin bolt rotation pair to prevent the pin bolt in the pin bolt pair from being subjected to excessive force.

[0084] Due to the differences among converters, the requirements for the angle of the oxygen lance nozzle are inconsistent. To meet the need for correction before processing, the adjustment bracket 3 in this embodiment is designed with multiple angle adjustment brackets 3 with different heights, which can be replaced as needed.

[0085] The indexing plate 4 is arranged between the chuck 5 and the movable plate 2, and is fixedly connected to the chuck 5. A chuck connection hole 42 is arranged on the inner circumference of the indexing plate 4 to facilitate the fixed connection of the chuck 5 and the indexing plate 4, and an equally divided hole 43 is arranged on the outer circumference thereof. A reference hole 22 is arranged on the movable plate 2 at the uppermost end of the center line of the position corresponding to the equally divided hole 43, and the aperture of the reference hole 22 is consistent with the aperture of the equally divided hole 43.

[0086] Combination Figure 3-4 To illustrate, a stepped groove 21 is provided at the center of the movable plate 2, and a thrust bearing of matching size is selected for the rotary roller 6 and placed in the groove 21. The thickness of the thrust bearing is greater than the groove depth, so that the indexing plate 4 and the movable plate 2 can rotate relative to each other. The connecting shaft 41 at the bottom of the indexing plate 4 passes through the inner circle of the bearing, a bearing pressure plate 7 is provided at the bottom of the groove 21, and a fastening nut 8 is provided on the connecting shaft 41, so that the indexing plate 4 and the movable plate 2 are connected together, so that the indexing plate 4 and the chuck 5 located on its upper surface can rotate together.

[0087] Example 2

[0088] Combination Figure 5 To explain, what is different from the first embodiment is that the adjustment bracket 3 is a telescopic structure with adjustable height.

[0089] Directions:

[0090] The lower section of the oxygen lance nozzle with 6 oxygen blowing holes is processed and clamped on the chuck 5. After a certain equally divided hole 43 on the indexing plate 4 is aligned with the reference hole 22 provided on the movable plate 2, a pin is used for positioning, and a corresponding oxygen blowing hole is processed so that the axis of the oxygen blowing hole is kept in a vertical direction, and the machine tool can conveniently process the inner and outer circles and end faces of the oxygen blowing hole; after the oxygen blowing hole is processed, the pin is pulled out, and after the indexing plate 4 is turned to the next equally divided hole 43 and aligned with the reference hole 22, the pin is used for positioning and processing the next oxygen blowing hole, and so on, until all the oxygen blowing holes are processed.

[0091] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. An angle compensation and correction tool for processing oxygen blowing holes of oxygen lance nozzles, characterized in that: It comprises a base (1), a movable plate (2), an adjustment bracket (3), a dividing plate (4), and a chuck (5) arranged on the dividing plate (4); The adjustment bracket (3) is arranged at one end of the base (1); One end of the movable plate (2) is arranged on the adjustment bracket (3), and the other end is arranged on the base (1); The indexing plate (4) is rotatably connected to the movable plate (2).

2. The tooling according to claim 1, characterized in that: A positioning plate is provided at one end of the base (1), and the positioning plate is connected to one end of the movable plate (2). A limiting plate (14) is provided at the other end of the base (1), and the limiting plate (14) is used to limit the movement of the adjustment bracket (3).

3. The tooling according to claim 2, characterized in that: The positioning plate comprises a positioning plate I (11) and positioning plates II (12) respectively arranged at two ends of the positioning plate I (11); the positioning plate I (11) and the positioning plate II (12) cooperate with each other to limit the movement of the movable plate (2).

4. The tooling according to claim 3, characterized in that: The positioning plate also includes a positioning rotation pair, which passes through the positioning plate II (12) and is movably connected to one end of the movable plate (2).

5. The tooling according to claim 3, characterized in that: The contact surface between the positioning plate I (11) and the movable plate (2) is an arc-shaped surface structure.

6. The tooling according to claim 1, characterized in that: The movable plate (2) is provided with a groove (21), and the indexing plate (4) is rotatably connected to the groove (21) via a connecting shaft (41).

7. The tooling according to claim 6, characterized in that: The rotating connection structure comprises a rotary roller (6), a bearing pressure plate (7) and a fastening nut (8); The rotary roller conveyor (6) is arranged in the groove (21); The connecting shaft (41) passes through the rotary roller (6) and the bearing pressure plate (7) in sequence and is connected to the fastening nut (8); The bearing pressure plate (7) is fixed on the movable plate (2).

8. The tooling according to claim 1, characterized in that: The chuck (5) is fixedly connected to the indexing plate (4) via a chuck connecting hole (42).

9. The tooling according to claim 1, characterized in that: The indexing disk (4) is provided with a plurality of equally divided holes (43), which are distributed along the circumference of the indexing disk (4); the movable plate (2) is provided with a reference hole (22), and the reference hole (22) and the equally divided holes (43) cooperate with each other to fix the positions of the indexing disk (4) and the movable plate (2).

10. The tooling according to any one of claims 1 to 9, characterized in that: The number of equally divided holes (43) is consistent with the number of oxygen blowing holes of the oxygen lance nozzle to be processed.

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