Rolling oil spraying device of cold pilger mill

Abstract

The utility model discloses a rolling oil spraying device of a cold pilger mill, which comprises a rotating core and a servo motor, one end of the rotating core is rotatably connected with an oil inlet shell through an oil seal, and the other end of the rotating core is rotatably connected with a fixing ring through a bearing. When in use, the device is mounted at a feed port of the cold pilger mill, a steel pipe passes through the through groove, the servo motor is started, the servo motor drives the pinion to rotate, the pinion drives the rotating core to rotate through the bull gear, and the rotating core rotates through the bull gear. At the moment, oil enters a connecting cavity in an oil inlet shell through an oil inlet pipe, then enters an annular cavity through an oil inlet hole, is conveyed to the position over a steel pipe through an oil spraying pipe and then is sprayed out through a nozzle, at the moment, the oil rotates around the steel pipe, and therefore all-directional spraying lubrication is conducted on the pipe. The oil spraying device is better in oil spraying effect and more comprehensive in pipe lubrication.

Description

Technical Field

[0001] The utility model relates to the technical field of cold rolling tube mills, in particular to a rolling oil spraying device of a cold rolling tube mill. Background Art

[0002] The cold rolling mill is a process equipment that uses annular holes to cold roll rough pipes. The machine has good billet opening performance and can also roll non-ferrous metal seamless pipes of ordinary precision. The biggest feature of the cold rolling mill is the high material utilization rate, and the precision and surface roughness are better than cold drawn pipes.

[0003] When the cold rolling tube mill in the prior art is in use, it is necessary to spray rolling oil on the surface of the steel tube for lubrication. The existing rolling oil spraying adopts a fixed spraying method, and it is difficult to fully cover the surface of the steel tube with oil, which leads to scratches on the surface of the tube after production.

[0004] Therefore, how to provide a rolling oil spray device for a cold rolling tube mill to solve the problems existing in the prior art is of great significance to its application. Utility Model Content

[0005] In view of this, the purpose of the present application is to provide a rolling oil spray device for a cold rolling tube mill to solve the problem that the current existing rolling oil spray adopts a fixed spray method, and the surface of the steel pipe is difficult to be fully covered with oil, which leads to scratches on the surface of the pipe after production.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A rolling oil spraying device for a cold rolling tube mill comprises a rotating core and a servo motor, wherein one end of the rotating core is rotatably connected to an oil inlet housing via an oil seal, and the other end of the rotating core is rotatably connected to a fixing ring via a bearing, an annular cavity is provided inside the rotating core, an oil inlet hole is provided on the side of the annular cavity, an oil spray pipe is connected to the outside of the rotating core, and an oil spray nozzle is installed on the side of the oil spray pipe.

[0008] Preferably, the bottom end of the oil inlet housing is connected to an oil inlet pipe, and a connecting cavity is provided inside the oil inlet housing, and the connecting cavity is connected to the annular cavity through an oil inlet hole.

[0009] Preferably, a large gear is fixedly connected to the middle of the rotating core, and the large gear is meshingly connected to a small gear.

[0010] Preferably, fixing frames are installed at the top and bottom ends of the fixing ring, and the output shaft of the servo motor is transmission-connected to the pinion gear.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The oil spray nozzle in the utility model can rotate. When in use, the device is installed at the feed port of the cold rolling tube machine, and the steel tube passes through the through slot. At this time, the servo motor is started, and the servo motor drives the small gear to rotate. The small gear drives the rotating core to rotate through the large gear. At this time, the oil enters the connecting cavity in the oil inlet shell through the oil inlet pipe, and the oil enters the annular cavity through the oil inlet hole. The oil is transported to the top of the steel tube through the oil spray pipe, and then sprayed out through the nozzle. At this time, the oil rotates around the steel tube, so as to spray and lubricate the tube in all directions. Compared with the existing oil spray device, the utility model has better oil spray effect and more comprehensive lubrication of the tube.

[0013] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application so that it can be implemented in accordance with the contents of the specification, and to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the following is a detailed description of the preferred embodiments of the present application in conjunction with the accompanying drawings as follows.

[0014] Based on the detailed description of the specific embodiments of the present application in combination with the accompanying drawings below, those skilled in the art will become more aware of the above and other objects, advantages and features of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can also be obtained based on these drawings without creative work. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a cross-sectional view of the utility model.

[0018] In the figure: 1. fixed frame; 2. large gear; 3. small gear; 4. servo motor; 5. oil seal; 6. oil inlet pipe; 7. oil inlet housing; 8. fuel injection nozzle; 9. fuel injection pipe; 10. rotating core; 11. fixed ring; 12. bearing; 13. annular cavity. DETAILED DESCRIPTION

[0019] To make the purpose, technical scheme and advantages of the embodiment of the present application clearer, the technical scheme in the embodiment of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the present application. Obviously, the described embodiment is a part of the embodiment of the present application, rather than all of the embodiments. In the following description, specific details such as specific configuration and components are provided only to help fully understand the embodiments of the present application. Therefore, it should be clear to those skilled in the art that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the present application. In addition, for clarity and brevity, the description of known functions and structures is omitted in the embodiment.

[0020] In addition, the present application may repeat reference numerals and / or letters in different examples. This repetition is for the purpose of simplicity and clarity, and does not in itself indicate the relationship between the various embodiments and / or settings discussed.

[0021] The term "and / or" in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can mean: A exists alone, B exists alone, and A and B exist at the same time. The term " / and" in this article describes another type of association object relationship, indicating that there can be two relationships. For example, A / and B can mean: A exists alone, and A and B exist alone. In addition, the character " / " in this article generally indicates that the previous and next associated objects are in an "or" relationship.

[0022] It should also 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", "comprises" or any other variations thereof are intended to cover non-exclusive inclusions.

[0023] See also Figure 1-2 The present invention provides a technical solution for a rolling oil spraying device of a cold rolling mill: it includes a rotating core 10 and a servo motor 4, one end of the rotating core 10 is rotatably connected to an oil inlet housing 7 through an oil seal 5, the other end of the rotating core 10 is rotatably connected to a fixing ring 11 through a bearing 12, an annular cavity 13 is provided inside the rotating core 10, an oil inlet hole is provided on the side of the annular cavity 13, an oil injection pipe 9 is connected to the outside of the rotating core 10, an oil injection nozzle 8 is installed on the side of the oil injection pipe 9, and a through groove is provided in the middle of the rotating core 10.

[0024] The bottom end of the oil inlet housing 7 is connected to an oil inlet pipe 6 , and a connecting cavity is provided inside the oil inlet housing 7 , and the connecting cavity is communicated with the annular cavity 13 through an oil inlet hole.

[0025] A large gear 2 is fixedly connected to the middle of the rotating core 10, and the large gear 2 is meshed with a small gear 3. A fixing frame 1 is installed at the top and bottom of the fixing ring 11, which is used to install the device at the feed port of the cold rolling tube machine. The output shaft of the servo motor 4 is transmission-connected with the small gear 3. The servo motor 4 drives the small gear 3 to rotate, and the small gear 3 drives the rotating core 10 to rotate through the large gear 2.

[0026] During specific use, the device is installed at the feed port of the cold rolling mill through the fixing frame 1, and the steel pipe passes through the through slot. At this time, the servo motor 4 is started, and the servo motor 4 drives the small gear 3 to rotate. The small gear 3 drives the rotating core 10 to rotate through the large gear 2. At this time, the oil enters the connecting cavity in the oil inlet shell 7 through the oil inlet pipe 6, and the oil enters the annular cavity 13 through the oil inlet hole. The oil is transported to the top of the steel pipe through the oil injection pipe 9, and then sprayed out through the nozzle 8. At this time, the oil rotates around the steel pipe, thereby spraying and lubricating the pipe in all directions. Compared with the existing oil injection device, the utility model has a better oil injection effect and more comprehensive lubrication of the pipe.

[0027] The above description is only the preferred embodiment of the utility model, which does not limit the protection scope of the utility model. For those skilled in the art, the utility model can be modified and varied in various ways. Any changes, modifications, substitutions, integrations and parameter changes to these embodiments within the spirit and principle of the utility model through conventional substitutions or capable of achieving the same functions without departing from the principles and spirit of the utility model shall fall within the protection scope of the utility model.

Claims

1. A rolling oil spraying device for a cold rolling mill, characterized in that: The invention comprises a rotating core (10) and a servo motor (4); one end of the rotating core (10) is rotatably connected to an oil inlet housing (7) via an oil seal (5); the other end of the rotating core (10) is rotatably connected to a fixing ring (11) via a bearing (12); an annular cavity (13) is provided inside the rotating core (10); an oil inlet hole is provided on the side of the annular cavity (13); the outer side of the rotating core (10) is connected to an oil injection pipe (9); an oil injection nozzle (8) is installed on the side of the oil injection pipe (9); and a through groove is provided in the middle of the rotating core (10).

2. The rolling oil spraying device of a cold rolling mill according to claim 1, characterized in that: The bottom end of the oil inlet housing (7) is connected to an oil inlet pipe (6), and a connecting cavity is provided inside the oil inlet housing (7), and the connecting cavity is connected to the annular cavity (13) through an oil inlet hole.

3. The rolling oil spraying device of a cold rolling mill according to claim 2, characterized in that: A large gear (2) is fixedly connected to the middle of the rotating core (10), and the large gear (2) is meshingly connected to a small gear (3).

4. The rolling oil spraying device of a cold rolling mill according to claim 3, characterized in that: A fixing frame (1) is installed at the top and bottom ends of the fixing ring (11), and the output shaft of the servo motor (4) is drivingly connected to the pinion gear (3).

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