Automatic vertical ring rolling machine

Abstract

The invention relates to an automatic vertical ring rolling mill. The technical problems that an existing ring rolling mill is low in automation degree, and a core roller is prone to bending are mainly solved. According to the technical scheme, the automatic vertical ring rolling machine comprises a rack, a motor, a speed reducer, a main body rack, an oil cylinder base, a driving roller, a hydraulic oil cylinder, a machine body main shaft, a transmission shaft, a core roller bearing seat, a lower base, a fixed supporting seat, a core roller, a roller holding machine body, a bearing seat driving oil cylinder and a self-aligning roller bearing. A motor and a speed reducer are arranged at the upper end of the rack, the speed reducer is connected with one end of a transmission shaft, self-aligning roller bearings are arranged at the shaft diameter position of the transmission shaft, and the self-aligning roller bearings are installed on the upper portions of the two sides of the main body rack. The driving roller is installed on the transmission shaft, the lower end of the machine body spindle is connected with a nut arranged on the bottom face of the fixed supporting seat, the roller holding machine body is installed at the upper end of the main machine frame and connected with the hydraulic oil cylinder, and the core roller is installed on the core roller bearing seat which is arranged on the fixed supporting seat.

Description

Technical Field

[0001] The invention belongs to the technical field of ring rolling machines, and in particular relates to an automatic vertical ring rolling machine. Background Art

[0002] The ring rolling machine is also called a rolling and expanding machine or a hole expanding machine. The metal billet is extruded and deformed by the moving die under the coordination of the relative position with the fixed die. The required ring is obtained after plastic deformation, which improves the mechanical properties of the metal. It is mainly used in aerospace, new energy, wind power and other fields.

[0003] At present, when the ring rolling machine works continuously for a long time, it may fail or reduce the precision, which will affect the product quality. In addition, the mandrel of the ring rolling machine has problems such as loose clamping and inaccurate centering, which causes the mandrel to be subjected to unnecessary stress and bend during the ring rolling process. Due to the heavy weight of the forging itself, the active roller exerts too much pressure on the mandrel during rolling, which will make the mandrel easy to bend and damage, thus affecting the processing accuracy of the product. Therefore, the existing ring rolling machine has technical difficulties such as low degree of equipment automation, easy bending and damage of the mandrel roller, and difficulty in achieving precise process control. Summary of the invention

[0004] The purpose of the present invention is to solve the technical problems of the existing ring rolling machines, such as low automation level of the equipment, easy bending and damage of the core roller and difficulty in achieving accurate process control, and to provide an automated vertical ring rolling machine.

[0005] To achieve the above object, the technical solution adopted by the present invention is:

[0006] An automated vertical ring rolling machine comprises a stand, two motors, a reducer, a main frame, a cylinder base, a cylinder limit nut, an active roller, a hydraulic cylinder, four main shafts of the machine body, a transmission shaft, two core roller bearing seats, a lower base, a fixed support seat, a core roller, a roller holding body, a bearing seat driving cylinder and a self-aligning roller bearing; the two motors and the reducer are arranged on the upper end of the stand, the rotating shaft of the motor is connected to the input shaft of the reducer through a coupling, and the output shaft of the reducer is connected to one end of the transmission shaft through a coupling The transmission shaft is provided with a spherical roller bearing at the shaft diameter, and the spherical roller bearing is installed in the bearing seats provided at the upper parts of both sides of the main frame; the active roller is installed on the transmission shaft and is fixed to the transmission shaft through the shoulder and the collar provided on the transmission shaft; the lower base is provided on one side of the stand and is parallel to the bottom surface of the stand, the lower end of the main frame is connected to the four corners of the top surface of the lower base, the lower end of the main shaft of the body passes through the main shaft hole provided on the main frame and the fixed support seat, and is connected to the nut provided on the bottom surface of the fixed support seat and fixed The fixed support seat is fixed to the lower end of the main shaft of the machine body; the cylinder base is installed on the upper part of the main shaft of the machine body through the shaft shoulder arranged on the upper part of the main shaft of the machine body and is fixed through the cylinder limit nut; the hydraulic cylinder is installed in the center of the cylinder base; the roller holding body is fixedly installed on the upper end of the main frame and is located on the active roller to cover the active roller; the upper end of the roller holding body is connected to the end of the piston rod of the hydraulic cylinder; the first core roller bearing seat is arranged at one end of the fixed support seat and its bottom is welded and fixed to the fixed support seat; the second ... In the middle of the fixed support seat and its bottom is connected to the bearing seat slide rail set on the fixed support seat, one end of the core roller is installed in the spherical roller bearing set on the second core roller bearing seat, and the other end of the core roller is inserted into the spherical roller bearing set on the first core roller bearing seat, and the core roller is located below the active roller, the bearing seat driving cylinder is arranged at the other end of the fixed support seat and the end of its extending rod is hinged to the second core roller bearing seat, so that the second core roller bearing seat can move along the bearing seat slide rail set on the fixed support seat.

[0007] Furthermore, the reducer is a dual-input single-output reducer.

[0008] Furthermore, the bearing seat slide rail is a groove, and the groove matches the boss arranged at the bottom of the core roller bearing seat.

[0009] Furthermore, the motor model is YE3-400L1 motor.

[0010] The beneficial effects of the present invention are:

[0011] (1) The present invention solves the technical problem of the existing ring rolling machine that the core roller is suspended at one end of the processing and is easy to break, thereby increasing the service life of the core roller, reducing production costs, and reducing the frequency of replacement, thereby further improving processing efficiency;

[0012] (2) The core roller of the present invention has a simple structure, is easy to assemble, has a long service life, and has a low manufacturing cost;

[0013] (3) The present invention proposes a new working mode of the ring rolling machine, which improves the surface quality of the workpiece and reduces the damage to the core roller compared with the traditional working mode;

[0014] (4) The ring rolling machine of the present invention has a safer rolling process and can roll out forgings with larger diameters and longer heights. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is an axonometric view of the present invention;

[0016] Figure 2 It is a front view of the present invention;

[0017] Figure 3 yes Figure 2 Left view of;

[0018] Figure 4 yes Figure 2 A top view of

[0019] Figure 5 is a cross-sectional view of the present invention;

[0020] In the figure: 1-stand, 2-motor, 3-reducer, 4-main frame, 5-cylinder base, 5a-cylinder limit nut, 6-active roller, 7-hydraulic cylinder, 8-machine body main shaft, 9-transmission shaft, 10-core roller bearing seat, 11-bearing seat slide rail, 12-lower base, 13-fixed support seat, 14-core roller, 15-roller body, 16-bearing seat driving cylinder, 17-spherical roller bearing, 18-shaft collar. DETAILED DESCRIPTION

[0021] The present invention is described in detail below with reference to the accompanying drawings and embodiments.

[0022] Example

[0023] like Figure 1 to Figure 5As shown, an automated vertical ring rolling machine in this embodiment includes a stand 1, two motors 2, a reducer 3, a main frame 4, a cylinder base 5, a cylinder limit nut 5a, an active roller 6, a hydraulic cylinder 7, four main shafts 8, a transmission shaft 9, two core roller bearing seats 10, a lower base 12, a fixed support seat 13, a core roller 14, a roller body 15, a bearing seat driving cylinder 16 and a spherical roller bearing 17; the two motors and the reducer are provided at the upper end of the stand, and the motor model is a YE3-400L1 motor. The rotating shaft of the motor is connected to the input shaft of the reducer through a coupling, and the output shaft of the reducer is connected to one end of the transmission shaft through a coupling. A spherical roller bearing is provided at the shaft diameter of the transmission shaft, and the spherical roller bearing is installed in the bearing seats arranged on the upper parts of both sides of the main frame; the active roller is installed on the transmission shaft and is fixed to the transmission shaft through the shoulder and the collar 18 arranged on the transmission shaft; the lower base is arranged on one side of the stand and is parallel to the bottom surface of the stand, the lower end of the main frame is connected to the four corners of the top surface of the lower base, the lower end of the main shaft of the body passes through the main shaft hole arranged on the main frame and the fixed support seat, and is connected to the nut arranged on the bottom surface of the fixed support seat and fixes the fixed support seat to the lower end of the main shaft of the body; the cylinder base is installed on the upper part of the main shaft of the body through the shoulder arranged on the upper part of the main shaft of the body and is fixed by the cylinder limit nut, and the hydraulic oil The cylinder is installed in the center of the cylinder base, and the roller holding body is fixedly installed on the upper end of the main frame and is located above the active roller to cover the active roller, and the upper end of the roller holding body is connected to the end of the hydraulic cylinder piston rod; the first core roller bearing seat is arranged at one end of the fixed support seat and its bottom is welded and fixed to the fixed support seat, the second core roller bearing seat is arranged in the middle of the fixed support seat and its bottom is connected to the bearing seat slide rail arranged on the fixed support seat, one end of the core roller is installed in the spherical roller bearing arranged on the second core roller bearing seat, and the other end of the core roller is inserted into the spherical roller bearing arranged on the first core roller bearing seat, and the core roller is located below the active roller, and the bearing seat driving cylinder is arranged at the other end of the fixed support seat and the end of its protruding rod is hinged to the second core roller bearing seat, so that the second core roller bearing seat can move along the bearing seat slide rail arranged on the fixed support seat.

[0024] The reducer is a double-input single-output reducer.

[0025] The bearing seat slide rail is in the shape of a groove, and the groove matches the boss arranged at the bottom of the core roller bearing seat.

[0026] The working process of the present invention is:

[0027] When the ring rolling machine is rolling, the second core roller bearing seat 10 is pulled out along the bearing seat slide rail 11 together with the core roller 14 through the bearing seat driving cylinder 16. At the same time, the operator uses a forklift to lift the material. After the ring mouth of the forging blank is in the same axial horizontal position as the core roller 14, the second bearing seat 10 and the core roller 14 are reset along the bearing seat slide rail 11 again through the bearing seat driving cylinder 16 to complete automatic loading; at this time, the motor 2 starts to work, and the power generated by the motor 2 is transmitted to the transmission shaft 9 through the coupling after being decelerated and torque-increased by the dual-input single-output reducer. The transmission shaft 9 transmits the power to the active roller 6 to drive the active roller 6 to rotate; the lower end of the main shaft 8 of the body is fixed and limited by a nut to the fixed support seat 13, and then the main cylinder 7 works, and the main shaft 8 of the body is driven to rise by the main cylinder 7, and at the same time drives the fixed support seat 13, the core roller bearing seat 10 and the core roller 14 to move upward, contact with the rotating active roller 6, and perform rolling work.

[0028] In addition, the present invention is also applicable to the roller rolling process.

[0029] The above embodiments are only descriptions of the preferred methods of the invention, and are not intended to limit the scope of the invention. Without departing from the design spirit of the invention, various modifications and improvements made to the technical solutions of the invention by ordinary technicians in this field should fall within the protection scope of the claims of the invention.

Claims

1. An automatic vertical ring rolling machine, characterized in that: It includes a stand, two motors, a reducer, a main frame, a cylinder base, a cylinder limit nut, a driving roller, a hydraulic cylinder, four main shafts of the machine body, a transmission shaft, two core roller bearing seats, a lower base, a fixed support seat, a core roller, a roller holding body, a bearing seat driving cylinder and a spherical roller bearing; the two motors and the reducer are arranged on the upper end of the stand, the rotating shaft of the motor is connected to the input shaft of the reducer through a coupling, the output shaft of the reducer is connected to one end of the transmission shaft through a coupling, and the shaft of the transmission shaft A spherical roller bearing is provided at the diameter, and the spherical roller bearing is installed in the bearing seat provided at the upper part of both sides of the main frame; the active roller is installed on the transmission shaft and is fixed to the transmission shaft through the shoulder and the collar provided on the transmission shaft; the lower base is provided on one side of the stand and is parallel to the bottom surface of the stand, the lower end of the main frame is connected to the four corners of the top surface of the lower base, the lower end of the main shaft of the body passes through the main shaft hole provided on the main frame and the fixed support seat, and is connected to the nut provided on the bottom surface of the fixed support seat and fixes the fixed support seat At the lower end of the main shaft of the machine body; the cylinder base is mounted on the upper part of the main shaft of the machine body through the shoulder arranged on the upper part of the main shaft of the machine body and is fixed by the cylinder limit nut, the hydraulic cylinder is mounted in the center of the cylinder base, the roller holding body is fixedly mounted on the upper end of the main frame and is located on the active roller to cover the active roller, and the upper end of the roller holding body is connected with the end of the piston rod of the hydraulic cylinder; the first core roller bearing seat is arranged at one end of the fixed support seat and its bottom is welded and fixed to the fixed support seat, the second core roller bearing seat is arranged in the middle of the fixed support seat and its bottom is connected with the bearing seat slide rail arranged on the fixed support seat, one end of the core roller is mounted in the spherical roller bearing arranged in the second core roller bearing seat, the other end of the core roller is inserted into the spherical roller bearing arranged in the first core roller bearing seat, and the core roller is located below the active roller, the bearing seat driving cylinder is arranged at the other end of the fixed support seat and the end of its extended rod is hinged with the second core roller bearing seat, so that the second core roller bearing seat can move along the bearing seat slide rail arranged on the fixed support seat.

2. The automatic vertical ring rolling machine according to claim 1, characterized in that: The reducer is a double-input single-output reducer.

3. The automatic vertical ring rolling machine according to claim 1, characterized in that: The bearing seat slide rail is in the shape of a groove, and the groove matches the boss arranged at the bottom of the core roller bearing seat.

4. The automatic vertical ring rolling machine according to claim 1, characterized in that: The motor model is YE3-400L1 motor.

Images