Cylindrical roller bearing inner ring shaping device
By designing a shaping device for the inner ring of cylindrical roller bearings, the outer and inner curvatures of the inner ring of the bearing are simultaneously calibrated by the electric cylinder control system, the problems of low shaping accuracy and efficiency in the prior art are solved, and a more efficient curvature calibration effect is achieved.
Patent Information
- Application Number
- CN202421988070.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-16
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-08-16
AI Technical Summary
It is difficult for existing cylindrical roller bearing inner ring shaping devices to calibrate the curvature of the outer and inner rings of the bearing inner ring at the same time, resulting in low shaping accuracy and efficiency.
A shaping device including a base, a shaping mold and a top plate is designed. The movement of the inner ring top push plate and the inner ring inner ring is controlled by the electric cylinder No. 1 and electric cylinder No. 2 respectively, so as to achieve simultaneous calibration of the outer and inner circumference curvature of the bearing inner ring.
It improves the accuracy and efficiency of bearing inner ring shaping, can significantly improve the curvature calibration effect of the inner ring, and is highly practical.
Smart Images
Figure CN223028320U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bearing shaping, and particularly relates to an inner ring shaping device for a cylindrical roller bearing. Background Technique
[0002] A cylindrical roller bearing is a common rolling bearing, mainly composed of an inner ring, an outer ring, rollers and a cage. The rollers and raceways are in line contact or modified line contact, with characteristics such as strong load-bearing capacity, small friction coefficient, and suitability for high-speed rotation; when manufacturing the inner ring of the bearing, a segmented manufacturing method is usually adopted. After extended shaping, a qualified inner ring of the bearing is generally obtained, but there may also be cases where the curvature of the outer and inner circumferences of the inner ring of the bearing is unqualified, and an inner ring shaping device for the bearing needs to be used for processing.
[0003] The previous inner ring shaping devices for cylindrical roller bearings have the following disadvantages: 1. It is not convenient to calibrate the curvature of the outer and inner circumferences of the inner ring of the bearing at the same time. During the inner circumference shaping process, the inner ring of the bearing cannot be externally limited by the inner ring top plate and the shaping die, resulting in low shaping accuracy and efficiency. Therefore, those skilled in the art have provided an inner ring shaping device for a cylindrical roller bearing to solve the problems raised in the above background technique. Content of the Utility Model
[0004] The main purpose of the utility model is to provide an inner ring shaping device for a cylindrical roller bearing to solve the problems raised in the above background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solutions:
[0006] An inner ring shaping device for a cylindrical roller bearing, comprising a base, a shaping die and a top plate;
[0007] The shaping die is installed on the top of the base through an L-shaped support plate. A first electric cylinder is installed between the L-shaped support plates and directly below the shaping die. A connecting shaft sleeve is sleeved on the output shaft of the first electric cylinder, and the top of the connecting shaft sleeve is connected to an inner ring top plate through a connecting disk. Ear plates are installed at the corners of the top of the base through support columns, and a top plate is welded between the ear plates. A second electric cylinder is installed on the bottom of the top plate and directly opposite the shaping die through a mounting seat. A connecting shaft sleeve is sleeved on the output shaft of the second electric cylinder, and the bottom of the connecting shaft sleeve is connected to a stress column through a connecting disk. The bottom of the stress column is welded with an inner ring inner shaping plate.
[0008] As a further scheme of the utility model: A first electric cylinder controller is installed on the top of the base and on one side of the first electric cylinder through screws. The output end of the first electric cylinder controller is electrically connected to the input end of the first electric cylinder through a wire.
[0009] As a further solution of the utility model: a No. 2 electric cylinder controller is installed on the bottom of the top plate and on one side of the No. 2 electric cylinder by screws, and the output end of the No. 2 electric cylinder controller is electrically connected to the input end of the No. 2 electric cylinder through a wire.
[0010] As a further solution of the utility model: a supporting vertical plate is welded between the top plate and the base and located on one side of the shaping mold, and both ends of one side of the supporting vertical plate are respectively connected to an upper guide sleeve and a lower guide sleeve through connecting rods.
[0011] As a further solution of the utility model: the output shafts of the No. 1 electric cylinder and the No. 2 electric cylinder respectively pass through the lower guide sleeve and the upper guide sleeve, and the lower guide sleeve and the upper guide sleeve are used to guide the output shafts of the No. 1 electric cylinder and the No. 2 electric cylinder, thereby improving the stability of the inner ring push plate and the inner ring inner shaping plate during movement.
[0012] As a further solution of the utility model: the outer diameter of the inner ring push plate is the same as the inner diameter of the shaping mold, the inner ring inner shaping plate is the same as the inner diameter of the bearing inner ring, the bearing inner ring on the top of the inner ring push plate is pushed into the shaping mold, the inner ring inner shaping plate moves downward and is punched into the interior of the bearing inner ring, thereby calibrating the curvature of the inner circumference of the bearing inner ring.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. Place the inner ring of the bearing to be reshaped just above the inner ring push plate, use the No. 1 electric cylinder controller to control the output stroke of the No. 1 electric cylinder, push the inner ring of the bearing on the top of the inner ring push plate into the reshaping mold, and calibrate the curvature of the outer circumference of the inner ring of the bearing. Then, use the No. 2 electric cylinder controller to automatically control the output stroke of the No. 2 electric cylinder, so that the No. 2 electric cylinder drives the inner ring shaping plate to move downward and punches into the inner ring of the bearing, so as to calibrate the curvature of the inner circumference of the inner ring of the bearing.
[0015] 2. In the process of shaping the inner circumference of the inner ring of the bearing, the inner ring of the bearing is limited externally by using the inner ring push plate and the shaping mold, which greatly improves the shaping accuracy and shaping efficiency, has strong practicality and significant effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 The utility model is a schematic diagram of the overall structure of the cylindrical roller bearing inner ring shaping device.
[0017] Figure 2 It is a bottom view of the cylindrical roller bearing inner ring shaping device of the utility model.
[0018] Figure 3 The utility model is a schematic diagram of the structure of the upper guide sleeve and the lower guide sleeve of the cylindrical roller bearing inner ring shaping device.
[0019] In the figure: 1, base; 2, L-shaped support plate; 3, first electric cylinder; 4, lower guide sleeve; 5, first electric cylinder controller; 6, connecting shaft sleeve; 7, inner ring pushing plate; 8, shaping die; 9, inner ring inner shaping plate; 10, stress column; 11, connecting plate; 12, upper guide sleeve; 13, ear plate; 14, second electric cylinder; 15, top plate; 16, connecting rod; 17, supporting vertical plate; 18, supporting column; 19, second electric cylinder controller. Specific embodiments
[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0021] Please refer to Figures 1-3 , in the embodiment of the present invention, the inner ring shaping device of a cylindrical roller bearing includes a base 1, a shaping die 8 and a top plate 15;
[0022] The shaping die 8 is installed on the top of the base 1 through the L-shaped support plate 2. Between the L-shaped support plates 2 and directly below the shaping die 8, a first electric cylinder 3 is installed. The output shaft of the first electric cylinder 3 is provided with a connecting shaft sleeve 6, and the top of the connecting shaft sleeve 6 is connected to the inner ring pushing plate 7 through the connecting plate 11. At the corners of the top of the base 1, ear plates 13 are installed through the supporting columns 18, and the top plate 15 is welded between the ear plates 13. At the bottom of the top plate 15 and directly facing the shaping die 8, a second electric cylinder 14 is installed through a mounting seat. The output shaft of the second electric cylinder 14 is provided with a connecting shaft sleeve 6, and the bottom of the connecting shaft sleeve 6 is connected to the stress column 10 through the connecting plate 11. The bottom of the stress column 10 is welded to the inner ring inner shaping plate 9.
[0023] Among them, a first electric cylinder controller 5 is installed on the top of the base 1 and on one side of the first electric cylinder 3 through screws. The output end of the first electric cylinder controller 5 and the input end of the first electric cylinder 3 are electrically connected through a wire; the first electric cylinder controller 5 is used to conveniently control the output stroke of the first electric cylinder 3 to push the bearing inner ring on the top of the inner ring pushing plate 7 into the shaping die 8.
[0024] Among them, a second electric cylinder controller 19 is installed on the bottom of the top plate 15 and on one side of the second electric cylinder 14 through screws. The output end of the second electric cylinder controller 19 and the input end of the second electric cylinder 14 are electrically connected through a wire; the second electric cylinder controller 19 is used to automatically control the output stroke of the second electric cylinder 14, so as to drive the inner ring inner shaping plate 9 to move downward by the second electric cylinder 14.
[0025] Among them, a support vertical plate 17 is welded between the top plate 15 and the base 1 and on one side of the shaping die 8. Both ends on one side of the support vertical plate 17 are respectively connected with an upper guide sleeve 12 and a lower guide sleeve 4 through connecting rods 16; the support vertical plate 17 is used to facilitate the fixation of the upper guide sleeve 12 and the lower guide sleeve 4, and has a supporting effect on the top plate 15.
[0026] Among them, the output shafts of the first electric cylinder 3 and the second electric cylinder 14 respectively penetrate through the lower guide sleeve 4 and the upper guide sleeve 12; the lower guide sleeve 4 and the upper guide sleeve 12 have a guiding effect on the output shafts of the first electric cylinder 3 and the second electric cylinder 14, respectively improving the stability of the inner ring top pushing plate 7 and the inner ring inner shaping plate 9 during movement.
[0027] Among them, the outer diameter of the inner ring top pushing plate 7 is the same as the inner diameter of the shaping die 8, and the inner diameter of the inner ring inner shaping plate 9 is the same as the inner diameter of the bearing inner ring; the bearing inner ring at the top of the inner ring top pushing plate 7 is pushed into the shaping die 8, and the inner ring inner shaping plate 9 moves downward and is pressed into the inside of the bearing inner ring, thereby calibrating the inner peripheral curvature of the bearing inner ring.
[0028] The working principle of the present utility model is as follows: Place the bearing inner ring to be shaped directly above the inner ring top pushing plate 7. The output stroke of the first electric cylinder 3 is controlled by using the first electric cylinder controller 5, and the bearing inner ring at the top of the inner ring top pushing plate 7 is pushed into the shaping die 8, thereby calibrating the outer peripheral curvature of the bearing inner ring. Immediately afterwards, the output stroke of the second electric cylinder 14 is automatically controlled by using the second electric cylinder controller 19, so that the second electric cylinder 14 drives the inner ring inner shaping plate 9 to move downward and is pressed into the inside of the bearing inner ring, thereby calibrating the inner peripheral curvature of the bearing inner ring. During the inner peripheral shaping of the bearing inner ring, the inner ring top pushing plate 7 and the shaping die 8 are used to perform external limitation on the bearing inner ring, greatly improving the shaping accuracy, and improving the shaping efficiency, with strong practicability and remarkable effects.
[0029] The above is only a preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present utility model.
Claims
1. A cylindrical roller bearing inner ring shaping device, comprising a base (1), a shaping die (8) and a top plate (15); It is characterized by: A shaping mold (8) is installed on the top of the base (1) through an L-shaped support plate (2), and a No. 1 electric cylinder (3) is installed between the L-shaped support plates (2) and directly below the shaping mold (8). The output shaft sleeve of the No. 1 electric cylinder (3) is provided with a connecting shaft sleeve (6), and the top of the connecting shaft sleeve (6) is connected to an inner ring push plate (7) through a connecting plate (11). An ear plate (13) is installed at the top corner of the base (1) through a support column (18), and a top plate (15) is welded between the ear plates (13). A No. 2 electric cylinder (14) is installed at the bottom of the top plate (15) and directly facing the shaping mold (8) through a mounting seat. The output shaft sleeve of the No. 2 electric cylinder (14) is provided with a connecting shaft sleeve (6), and the bottom of the connecting shaft sleeve (6) is connected to a load-bearing column (10) through a connecting plate (11), and the bottom of the load-bearing column (10) is welded with an inner ring inner shaping plate (9).
2. The cylindrical roller bearing inner ring shaping device according to claim 1, characterized in that: A No. 1 electric cylinder controller (5) is mounted on the top of the base (1) and located on one side of the No. 1 electric cylinder (3) by means of screws, and an output end of the No. 1 electric cylinder controller (5) is electrically connected to an input end of the No. 1 electric cylinder (3) by means of a wire.
3. The cylindrical roller bearing inner ring shaping device according to claim 1, characterized in that: A No. 2 electric cylinder controller (19) is installed at the bottom of the top plate (15) and located on one side of the No. 2 electric cylinder (14) by means of screws, and an output end of the No. 2 electric cylinder controller (19) is electrically connected to an input end of the No. 2 electric cylinder (14) by means of a wire.
4. The cylindrical roller bearing inner ring shaping device according to claim 1, characterized in that: A support vertical plate (17) is welded between the top plate (15) and the base (1) and located on one side of the shaping mold (8), and both ends of one side of the support vertical plate (17) are respectively connected to an upper guide sleeve (12) and a lower guide sleeve (4) via connecting rods (16).
5. The cylindrical roller bearing inner ring shaping device according to claim 1, characterized in that: The output shafts of the No. 1 electric cylinder (3) and the No. 2 electric cylinder (14) respectively pass through the lower guide sleeve (4) and the upper guide sleeve (12).
6. The cylindrical roller bearing inner ring shaping device according to claim 1, characterized in that: The outer diameter of the inner ring push plate (7) is the same as the inner diameter of the shaping die (8), and the inner ring inner shaping plate (9) is the same as the inner diameter of the bearing inner ring.