Bevel gear box of rolling mill

Abstract

The utility model belongs to the technical field of rolling mills, and discloses a rolling mill bevel gear box which comprises a shell which serves as a main body to protect the internal structure and improve safety. One end of the connecting mechanism extends out of the shell and is in transmission connection with the speed increaser, the other end of the connecting mechanism extends out of the shell and is in transmission connection with a plurality of roller boxes, and bars are rolled through the roller boxes; the transmission mechanism comprises a first transmission assembly and a second transmission assembly which are independently arranged, the first transmission assembly and the second transmission assembly are arranged in the shell, the first transmission assembly and the second transmission assembly are perpendicularly arranged, and the first transmission assembly and the second transmission assembly are designed in a modular mode. The rolling device is simple and compact in structure and convenient to use, power input by the bevel gear box is reversed and then input into the roller box to roll bars, the range of the bars capable of being rolled is enlarged, the rolling speed of the bars is increased, maintenance is convenient, the maintenance cost is reduced, and production benefits are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to rolling mill technical field especially relates to a rolling mill bevel gear box. BACKGROUND

[0002] The rolling mill is one of important core component equipment on the rolling production line, the rolling mill bevel gear box can install 310 roll box and transmit torque and rotational speed transmission mechanism for it, is specially applied to bar production line, realizes the finished product Specification bar, has the advantages of fast rolling speed, high rolling precision, convenient installation and maintenance, one rolling mill can realize two rolling passes.

[0003] The traditional short stress 350 rolling mill has low rotational speed, adopts grease lubrication for bearing, and the fastest rolling speed is 15m / s; after the grease is liquefied after the rolling mill works, it is difficult to seal; water is continuously supplied when the rolling mill works, oil and water are mixed to pollute the environment; when the roll wears, the whole machine needs to be taken offline for replacement, which is inconvenient for operation and maintenance and affects production efficiency; the pre-finishing rolling mill group is limited by the maximum rolling speed 20m / s.

[0004] Therefore, in order to solve the problem of inconvenient operation and maintenance of the existing rolling mill, the rolling mill bevel gear box is designed to solve the above technical problems. CONTENT OF THE UTILITY MODEL

[0005] In order to solve the above technical problems, the utility model provides a rolling mill bevel gear box.

[0006] In order to achieve the above purpose, the utility model provides a rolling mill bevel gear box, which comprises:

[0007] The shell serves as the main body, protects the internal structure, and improves safety;

[0008] The connecting mechanism has one end extending out of the shell and being in transmission connection with the speed increaser, and the other end extending out of the shell and being in transmission connection with a plurality of roll boxes, so that the roll boxes are used for rolling the bar.

[0009] The transmission mechanism comprises independently arranged first and second transmission assemblies, the first and second transmission assemblies are arranged in the shell respectively, the first and second transmission assemblies are arranged vertically, and the first and second transmission assemblies are designed in a modular manner.

[0010] Preferably, the connecting mechanism comprises first input and output assemblies, second input and output assemblies, the first input and output assemblies are in transmission connection with the first transmission assembly respectively, and the second input and output assemblies are in transmission connection with the second transmission assembly respectively.

[0011] Preferably, the first transmission assembly comprises a first driving gear and a first driven gear in mesh transmission, the first input assembly is in transmission connection with the first driving gear, and the first output assembly is in transmission connection with the first driven gear.

[0012] Preferably, the second transmission assembly comprises a second driving gear and a second driven gear in mesh transmission, the second input assembly is in transmission connection with the second driving gear, and the second output assembly is in transmission connection with the second driven gear.

[0013] Preferably, the first output assembly comprises a first output shaft system in transmission connection with the first driven gear, the second output assembly comprises a second output shaft system in transmission connection with the second driven gear, and the first output shaft system and the second output shaft system respectively extend out of the shell and are in transmission connection with roller boxes.

[0014] Preferably, the first output shaft system and the second output shaft system are arranged perpendicularly to each other.

[0015] Preferably, the first input assembly comprises a first input shaft system in transmission connection with the first driving gear, the second input assembly comprises a second input shaft system in transmission connection with the second driving gear, and the first input shaft system and the second input shaft system respectively extend out of the shell and are in transmission connection with a power source.

[0016] Preferably, a detachable water baffle is arranged at the top end of the shell.

[0017] Preferably, two independently arranged adjusting devices are arranged on the shell, and the two adjusting devices are in transmission connection with the two roller boxes respectively.

[0018] Compared with the prior art, the bevel gear box has the advantages and technical effects that: the bevel gear box adopts a shell as a basis to protect the internal structure, the transmission directions of the first transmission assembly and the second transmission assembly of the transmission mechanism are perpendicular to each other, the power input by the connecting mechanism is reversed and output to the roller box from the direction perpendicular to each other, the subsequent work of rolling the bars is facilitated, and the rolling specifications are various; the first transmission assembly and the second transmission assembly are arranged perpendicularly, and both adopt modular arrangement, so that the transmission components are more compact, the floor area is reduced, the assembly and disassembly and maintenance are facilitated, and the maintenance cost is reduced.

[0019] The utility model has the advantages of simple and compact structure, convenient use, rolling of the bars by the power input by the bevel gear box after reversing, expansion of the range of the rollable bars, improvement of the rolling speed of the bars, facilitated maintenance, reduction of the maintenance cost, and improvement of the production benefit. BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the application, and are incorporated herein for explanation by describing the embodiments of the present application and the explanation of the present application, and do not constitute improper limitation to the present application. In the drawings:

[0021] Figure 1 The gear transmission assembly drawing of the rolling mill bevel gear box of the utility model;

[0022] Figure 2 The top view of the rolling mill bevel gear box of the utility model;

[0023] Figure 3 The utility model Figure 2 The cross-sectional view of A-A;

[0024] Figure 4 The utility model Figure 2 The cross-sectional view of B-B;

[0025] In the drawings: 101, shell; 201, first input shaft system; 202, second input shaft system; 203, first output shaft system; 204, second output shaft system; 301, water baffle; 401, adjusting device; 501, first driving gear; 502, first driven gear; 503, second driving gear; 504, second driven gear. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the utility model will be further described in detail in combination with the drawings and specific embodiments.

[0028] Referring to Figures 1-4 The embodiment provides a rolling mill bevel gear box, which comprises:

[0029] The shell 101 is used as a main body, protects the internal structure and improves safety;

[0030] The connecting mechanism is connected with the speed increaser through one end of the connecting mechanism extending out of the shell 101, and the other end of the connecting mechanism extends out of the shell 101 and is connected with a plurality of roll boxes in a transmission mode, so that the roll boxes are used for rolling a bar;

[0031] The transmission mechanism comprises a first transmission assembly and a second transmission assembly which are independently arranged in the shell 101, and the first transmission assembly and the second transmission assembly are vertically arranged and modularly designed.

[0032] The utility model discloses a rolling mill bevel gear box, and the bevel gear box adopts the shell 101 as the foundation, protects the structure inside, and the transmission directions of the first transmission assembly and the second transmission assembly of the transmission mechanism are perpendicular to each other, so that the power input by the connecting mechanism is reversed and is output to the roll box from the direction perpendicular to each other, facilitating the subsequent work of rolling the bar, and the rolling specification is various.

[0033] Further, the shell 101 of the embodiment is the main body for mounting, positioning and bearing load of the remaining parts of the rolling mill.

[0034] Further, the shell 101 of the embodiment is fixed on the surface, thereby ensuring the stability of transmission during rolling.

[0035] Further, the side wall of the shell 101 is embedded with a plurality of bearings, and the part of the connecting mechanism extending into and out of the shell 101 passes through the side wall of the shell 101 through the bearings, thereby ensuring the stable transmission.

[0036] Further, the shell 101 is provided with a plurality of supporting structures for supporting and fixing the first transmission assembly and the second transmission assembly, and also supporting and fixing the connecting mechanism, thereby ensuring the stability of transmission.

[0037] Further, the connecting mechanism comprises a first input assembly, a first output assembly, a second input assembly and a second output assembly, the first input assembly and the first output assembly are respectively connected with the first transmission assembly, and the second input assembly and the second output assembly are respectively connected with the second transmission assembly.

[0038] Further, the roll box of the embodiment can roll different specifications of bars respectively.

[0039] Further optimization scheme, the first transmission assembly includes the first driving gear 501 and the first driven gear 502 in meshing transmission, the first input assembly is in transmission connection with the first driving gear 501, and the first output assembly is in transmission connection with the first driven gear 502. The first driving gear 501 and the first driven gear 502 are in meshing transmission, and the power input by the first input assembly is output from the first output assembly after the reversing transmission of the first driving gear 501 and the first driven gear 502, so as to provide power for the roll box to roll bars.

[0040] Further optimization scheme, the second transmission assembly includes the second driving gear 503 and the second driven gear 504 in meshing transmission, the second input assembly is in transmission connection with the second driving gear 503, and the second output assembly is in transmission connection with the second driven gear 504. The second driving gear 503 and the second driven gear 504 are in meshing transmission, and the power input by the second input assembly is output from the second output assembly after the reversing transmission of the second driving gear 503 and the second driven gear 504, so as to provide power for the roll box to roll bars.

[0041] Further, the first driving gear and the second driving gear 503 of the embodiment are arranged at an angle of 45°; the second driving gear 503 and the second driven gear 504 are also arranged at an angle of 45°, so that the output directions of the first driven gear 502 and the second driven gear 504 are arranged vertically.

[0042] Further, the first driving gear 501, the first driven gear 502, the second driving gear 503 and the second driven gear 504 of the embodiment are bevel gears, which are convenient for meshing and reversing, and transmit torque and power to the roll shafts on the roll box, so that the roll shafts drive the rolls to rotate to roll round steel or threaded steel.

[0043] Further optimization scheme, the first output assembly includes the first output shaft system 203 in transmission connection with the first driven gear 502, the second output assembly includes the second output shaft system 204 in transmission connection with the second driven gear 504, and the first output shaft system 203 and the second output shaft system 204 respectively extend out of the shell 101 and are in transmission connection with the roll box; the first output shaft system 203 and the second output shaft system 204 are arranged vertically. The first output shaft system 203 and the second output shaft system 204 respectively extend out of the shell 101 and output power into the roll box, which is convenient for rolling bars; the first output shaft system 203 and the second output shaft system 204 are arranged vertically, so that the two roll boxes are staggered and separated, the area of occupied space is reduced, and the bars are prevented from affecting each other.

[0044] Further optimization scheme, the first input assembly includes the first input shaft system 201 in transmission connection with the first driving gear 501, the second input assembly includes the second input shaft system 202 in transmission connection with the second driving gear 503, and the first input shaft system 201 and the second input shaft system 202 respectively extend out of the shell 101 and are in transmission connection with the power source.The first input shaft system 201 and the second input shaft system 202 are arranged in parallel, facilitating the input power of the speed increaser; the first input shaft system 201 drives the first driving gear 501 to rotate, and the second input shaft system 202 drives the second driving gear 503 to rotate, thereby inputting power.

[0045] Further, the first input shaft system 201 and the second input shaft system 202 are respectively in transmission connection with the speed increaser through the shaft coupling, and transmit power.

[0046] Further optimization scheme, the top end of the shell 101 is provided with a detachable water baffle 301. The water baffle 301 is installed on the top end of the shell 101 through bolts, which can be conveniently detached and fixed, facilitating the maintenance and repair of the transmission structure in the shell 101.

[0047] Further optimization scheme, the shell 101 is provided with two independently arranged adjusting devices 401, and the two adjusting devices 401 are respectively in transmission connection with two roller boxes. The adjusting device 401 is mainly used for adjusting the rolling specification of the roller box, and the gear thereon is in meshing connection with the adjusting gear of the roller box. Thus, rotating the rotating shaft of the adjusting device 401 can adjust the center distance of the two roller shafts on the roller box, so as to realize the opening and closing of the roll gap.

[0048] The shell 101 is arranged with two sets of independently driven first transmission assemblies and second transmission assemblies. The two input shaft systems are arranged horizontally, and the two output shaft systems are respectively at an angle of 45° with the input shaft systems. The input shaft systems are provided with 45° meshing bevel gears. The output torque of the motor is transmitted through the bevel gear pair to drive the output shaft system to rotate. The output shaft system is provided with a pair of cylindrical gears to simultaneously drive the two roller shafts of the roller box to roll. The bevel gear box body of the embodiment is a modular structure. One bevel gear box can be installed with two roller boxes. The two roller boxes are arranged at an angle of 90°. The bevel gear box can transmit a rolling force of up to 500KN. The bevel gear box is provided with two sets of adjusting devices 401. When the roller box is installed in the bevel gear box, the two sets of adjusting devices 401 can be used to respectively adjust the center distance of the two roller shaft systems to increase or decrease. The bevel gear box is configured to expand the rolling specification range, which is mainly used for rolling specification bars, and also has the function of rolling specification bars and rolling specification products to ensure a speed of 35m / s. The bevel gear box has a compact structure, and is convenient to install and maintain.

[0049] In the description of the utility model, need understanding is, the term "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and so on indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, just for the convenience of describing the utility model, and not indicate or imply that the indicated device or element must have a particular orientation, construct and operate in a particular orientation, therefore can not be understood as limiting the utility model.

[0050] The above-described embodiments are only descriptions of the preferred modes of the utility model, and do not limit the scope of the utility model, and various modifications and improvements to the technical solutions of the utility model made by those skilled in the art without departing from the design spirit of the utility model should fall within the protection scope defined by the claims of the utility model.

Claims

1. A bevel gear box for a rolling mill, characterized in that, Include: The shell (101) as the main body, protect the internal structure, improve the safety; The connecting mechanism, one end of the connecting mechanism extends out of the shell (101) and is drivingly connected with the speed increaser, the other end of the connecting mechanism extends out of the shell (101) and is drivingly connected with a plurality of roller boxes, and the rod is rolled through the roller box; The transmission mechanism includes independently arranged first transmission assembly and second transmission assembly, the first transmission assembly and the second transmission assembly are arranged in the shell (101) respectively, the first transmission assembly and the second transmission assembly are arranged vertically, the first transmission assembly and the second transmission assembly are designed as modules.

2. The rolling mill bevel gear box of claim 1, wherein: The connecting mechanism includes first input assembly, first output assembly, second input assembly and second output assembly, the first input assembly and the first output assembly are respectively drivingly connected with the first transmission assembly; the second input assembly and the second output assembly are respectively connected with the second transmission.

3. The rolling mill bevel gear box of claim 2, wherein: The first transmission assembly includes meshing transmission first driving gear (501) and first driven gear (502), the first input assembly is drivingly connected with the first driving gear (501), and the first output assembly is drivingly connected with the first driven gear (502).

4. The rolling mill bevel gear box of claim 3, wherein: The second transmission assembly includes meshing transmission second driving gear (503) and second driven gear (504), the second input assembly is drivingly connected with the second driving gear (503), and the second output assembly is drivingly connected with the second driven gear (504).

5. The rolling mill bevel gear box of claim 4, wherein: The first output assembly includes first output shaft system (203) drivingly connected with the first driven gear (502), the second output assembly includes second output shaft system (204) drivingly connected with the second driven gear (504), and the first output shaft system (203) and the second output shaft system (204) extend out of the shell (101) and are drivingly connected with the roller box.

6. The rolling mill bevel gear box of claim 5, wherein: The first output shaft system (203) and the second output shaft system (204) are arranged vertically.

7. The rolling mill bevel gear box of claim 4, wherein: The first input assembly includes first input shaft system (201) drivingly connected with the first driving gear (501), the second input assembly includes second input shaft system (202) drivingly connected with the second driving gear (503), and the first input shaft system (201) and the second input shaft system (202) extend out of the shell (101) and are drivingly connected with the power source.

8. The rolling mill bevel gear box of claim 1, wherein: The top end of the shell (101) is provided with a detachable water baffle (301).

9. The rolling mill bevel gear box of claim 1, wherein: Two independently arranged adjusting devices (401) are arranged on the shell (101), and the two adjusting devices (401) are drivingly connected with two roller boxes respectively.

Images