A replaceable multi-layer limit ring mounting device

Abstract

The application relates to the field of electromechanical technology and discloses a replaceable multi-layer limiting ring mounting device which comprises a PLC control system, an electric cylinder driving device, a positioning device and a pressing ring device; the PLC control system is electrically connected with the electric cylinder driving device; the electric cylinder driving device is fixed on the positioning device; and the pressing ring device is connected with the electric cylinder driving device. The device is simple in structure, high in reliability, convenient in mounting and positioning; the lower end surface of the inclined pressing ring telescopic column in the pressing ring device has a certain inclination angle, so that the limiting ring can be smoothly installed into the second limiting groove during the pressing ring process and cannot be clamped in the first limiting groove.

Description

Technical Field

[0001] This invention relates to the field of electromechanical technology, and more specifically to a replaceable multi-layer limiting ring mounting device. Background Technology

[0002] For the installation of limit rings, manual installation typically involves first overcoming the spring's resistance to press the spring into the limit groove, and then manually clamping the limit ring into the groove. This method is too labor-intensive, resulting in low worker efficiency. Due to the spring's elasticity, without proper tooling, the limit ring may spring away, posing a safety hazard. Therefore, for large-scale installations of limit rings, a dedicated installation tool is designed. This tool first compresses the limit ring, and then uses a pressing mechanism to press down the limit ring and spring together until the limit ring is properly engaged in the limit groove.

[0003] Currently, most domestic and international limit ring installation fixtures are only suitable for small-batch, single-type products in industrial production, and cannot be applied to the mass production of multi-layer limit rings or diverse product varieties. However, with the advancement of science and technology, existing production capacity cannot meet the requirements of industrial production for limit ring installation. Therefore, there is a need to invent a multi-layer limit ring installation device that can be used for mass production and the installation of diverse product varieties. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of existing technologies and provide a replaceable multi-layer limiting ring installation device. This solves the problem of multi-layer limiting rings easily getting stuck in the first-layer limiting groove during installation.

[0005] To achieve the above objectives, the technical solution of the present invention is: a replaceable multi-layer limiting ring installation device, characterized in that: it includes a PLC control system, an electric cylinder drive device, a positioning device, and a ring pressing device;

[0006] The electric cylinder drive device includes a motor, a cylinder body, and a piston rod connecting plate. The motor is connected to the cylinder body, and the piston rod at the front end of the cylinder body is fixedly connected to the piston rod connecting plate. The PLC control system is connected to the motor via electrical signals.

[0007] The positioning device includes a side plate, a drive device connecting plate, a base plate, a base and a support column. The bottom of the side plate is fixed to the base plate. One end of the drive device connecting plate is fixed to the top of the side plate. The base is detachably connected to the base plate. A support column is vertically provided at the center of the base. The lower flange of the cylinder is fixed to the drive device connecting plate. The piston rod at the front end of the cylinder passes through the drive device connecting plate and is located below the drive device connecting plate.

[0008] The pressure ring device includes a pressure ring device connecting plate, a telescopic device, a D10 guide shaft, a movable connecting plate, and a tapered shrinking ring cylinder. The pressure ring device connecting plate is fixed to the lower end of the piston rod connecting plate. The top of the D10 guide shaft passes through the pressure ring device connecting plate and the piston rod connecting plate in sequence, and the bottom is connected to the movable connecting plate. The tapered shrinking ring cylinder is fixed to the lower end of the movable connecting plate. The telescopic device is fixed below the pressure ring device connecting plate. The movable connecting plate has a through hole in the center, and the telescopic device can pass through the through hole in the center of the movable connecting plate and be inserted into the tapered shrinking ring cylinder.

[0009] Furthermore, a short reinforcing rib is fixed at the connection between the side plate and the drive device connecting plate, and a long reinforcing rib is fixed at the connection between the side plate and the bottom plate.

[0010] Furthermore, the electric cylinder drive device also includes a D20 guide shaft, which is fixed to the piston rod connecting plate; the positioning device also includes a D20 linear bearing, which is fixed to the drive device connecting plate, and the D20 guide shaft passes through the drive device connecting plate and the D20 linear bearing from bottom to top, and can move relative to each other within the D20 linear bearing.

[0011] Furthermore, the telescopic device includes a pressure ring cylinder, a pre-tightening spring, an axial positioning block, and an inclined pressure ring telescopic column. The pressure ring cylinder is fixed below the pressure ring device connecting plate. The upper end of the inner wall of the pressure ring cylinder is provided with a positioning groove. The axial positioning block is located in the positioning groove and can move up and down. The lower end of the axial positioning block is connected to the inclined pressure ring telescopic column. The top center of the inclined pressure ring telescopic column is provided with a groove. The center of the axial positioning block is provided with a through hole. The upper end of the pre-tightening spring is connected to the pressure ring device connecting plate, and the lower end passes through the through hole of the axial positioning block and connects to the bottom of the groove of the inclined pressure ring telescopic column.

[0012] Furthermore, the lower end of the inner wall of the pressure ring cylinder is provided with a groove, and the lower end of the inclined pressure ring telescopic column is provided with a retaining ring, which can be inserted into the groove. The bottom of the inclined pressure ring telescopic column is an inclined surface.

[0013] Furthermore, the inclined pressure ring telescopic column is provided with a limiting groove at the center of its bottom.

[0014] Furthermore, the pressure ring device also includes a D10 linear bearing, the upper end of which passes through the pressure ring device connecting plate and the piston rod connecting plate in sequence and is fixedly connected to the pressure ring device connecting plate. The top of the D10 guide shaft passes through the D10 linear bearing and can move relative to it within the D10 linear bearing.

[0015] Furthermore, the inner diameter of the inclined constriction ring cylinder gradually decreases from top to bottom.

[0016] Furthermore, the electric cylinder drive device also includes a motor gear protective cover, which is fixed to the top of the cylinder body, and the motor is fixed to the protective cover.

[0017] The beneficial effects of this invention are:

[0018] (1) The device of the present invention has a simple structure, high reliability, and is easy to install and position;

[0019] (2) The lower end face of the inclined compression ring telescopic column of the present invention has a certain inclination angle, which can realize the smooth installation of the limiting ring into the second limiting groove during the compression ring process, without being stuck in the first limiting groove;

[0020] (3) The pressure ring device, base and support column of the present invention can be replaced according to different models of the same type of components to be assembled, which can realize the mass installation of multi-layer limit rings of multiple products, save equipment manufacturing costs and improve operational flexibility. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the electric cylinder drive device of the present invention;

[0023] Figure 3 This is a schematic diagram of the positioning device structure of the present invention;

[0024] Figure 4 This is a schematic diagram of the disassembled structure of the pressure ring device of the present invention;

[0025] Figure 5 This is a cross-sectional view of the pressure ring device of the present invention;

[0026] Figure 6 This is a cross-sectional view of the component to be assembled according to the present invention.

[0027] In the diagram: 1. Protective cover; 2. Motor; 3. Cylinder body; 4. D20 guide shaft; 5. Piston rod; 6. Piston rod connecting plate; 7. D20 linear bearing; 8. Side plate; 9. Drive unit connecting plate; 10. Short reinforcing rib; 11. Long reinforcing rib; 12. Base plate; 13. Base; 14. Support column; 15. D10 linear bearing; 16. Pressure ring device connecting plate; 17. Pressure ring cylinder; 18. Preload spring; 19. Axial positioning block; 20. Inclined pressure ring telescopic column; 21. D10 guide shaft; 22. Movable connecting plate; 23. Inclined shrinking ring cylinder; 24. Outer shell; 25. Limiting ring; 26. Spring; 27. Component. Detailed Implementation

[0028] Example:

[0029] like Figures 1 to 6As shown, a replaceable multi-layer limit ring mounting device includes a PLC control system, an electric cylinder drive device, a positioning device, and a ring pressing device.

[0030] The electric cylinder drive device includes a motor gear protective cover 1, a motor 2, a cylinder body 3, a piston rod connecting plate 6, and D20 guide shafts 4. The protective cover 1 is fixed to the top of the cylinder body 3, the motor 2 is fixed to the protective cover 1, the motor 2 is connected to the cylinder body 3, the piston rod 5 at the front end of the cylinder body 3 is fixedly connected to the piston rod connecting plate 6, and there are four D20 guide shafts 4, which are fixed around the piston rod connecting plate 6. The PLC control system is connected to the motor 2 by electrical signals.

[0031] The positioning device includes a side plate 8, a drive device connecting plate 9, a D20 linear bearing 7, a base plate 12, a base 13, and a support column 14. The bottom of the side plate 8 is fixed to the base plate 12, one end of the drive device connecting plate 9 is fixed to the top of the side plate 8, the base 13 is detachably connected to the base plate 12, and the support column 14 is vertically provided at the center of the base 13. The base 13 provides positioning for the component 27 to be assembled. Four D20 linear bearings 7 are fixed to the drive device connecting plate 9. The lower flange of the cylinder body 3 is fixed to the drive device connecting plate 9. The piston rod 5 at the front end of the cylinder body 3 passes through the drive device connecting plate 9 and is located below the drive device connecting plate 9. The D20 guide shaft 4 passes through the drive device connecting plate 9 and the D20 linear bearings 7 from bottom to top and can move relative to each other within the D20 linear bearings 7 to ensure that the electric cylinder drive device moves in the vertical direction. A short reinforcing rib 10 is fixed at the connection between the side plate 8 and the drive device connecting plate 9, and a long reinforcing rib 11 is fixed at the connection between the side plate 8 and the bottom plate 12 to ensure the strength of the entire positioning device.

[0032] The pressure ring device includes a pressure ring device connecting plate 16, a telescopic device, a D10 guide shaft 21, a D10 linear bearing 15, a movable connecting plate 22, and a tapered shrinking ring cylinder 23. The pressure ring device connecting plate 16 is fixed to the lower end of the piston rod connecting plate 6. There are two D10 linear bearings 15, which are respectively fixedly connected to both sides of the pressure ring device connecting plate 16 and pass through the pressure ring device connecting plate 16 and the piston rod connecting plate 6 in sequence. The top of the D10 guide shaft 21 passes through the D10 linear bearing 15 and can move relative to it within the D10 linear bearing 15. The bottom is fixedly connected to the movable connecting plate 22. The tapered shrinking ring cylinder 23 is fixed to the lower end of the movable connecting plate 22.

[0033] The telescopic device includes a pressure ring cylinder 17, a preload spring 18, an axial positioning block 19, and an inclined pressure ring telescopic column 20. The pressure ring cylinder 17 is fixed below the pressure ring device connecting plate 16. A positioning groove is provided on the upper end of the inner wall of the pressure ring cylinder 17. The axial positioning block 19 is located in the positioning groove and can move up and down. The lower end of the axial positioning block 19 is connected to the inclined pressure ring telescopic column 20. A groove is provided at the center of the top of the inclined pressure ring telescopic column 20. A through hole is provided at the center of the axial positioning block 19. The upper end of the preload spring 18 is connected to the pressure ring device connecting plate 16, and the lower end passes through the through hole of the axial positioning block 19 and connects to the bottom of the groove of the inclined pressure ring telescopic column 20. A limiting groove is provided at the center of the bottom of the inclined pressure ring telescopic column 20. The inclined pressure ring telescopic column 20 can be positioned by a support column 14 to prevent the limiting ring from pressing past the second limiting groove.

[0034] The lower end of the inner wall of the pressure ring cylinder 17 is provided with a groove, and the lower end of the inclined pressure ring telescopic column 20 is provided with an outwardly protruding retaining ring, which can be engaged in the groove. The bottom of the inclined pressure ring telescopic column 20 is an inclined surface, and the inner diameter of the inclined shrinking ring cylinder 23 gradually decreases from top to bottom. The movable connecting plate 22 is provided with a through hole in the center, and the pressure ring cylinder 17 can pass through the through hole in the center of the movable connecting plate 22 and be inserted into the interior of the inclined shrinking ring cylinder 23.

[0035] The inclined pressure ring telescopic column 20 can move relative to the outer cylinder 17 of the pressure ring within the outer cylinder 17 of the pressure ring. The axial positioning block 19 provides axial downward positioning for this movement, and the preload spring 18 provides axial upward positioning for this movement through its spring force. When the inclined pressure ring telescopic column 20 is positioned at the lowest point by the axial positioning block 19, the preload spring 18 has a certain amount of compression, providing a certain pressure for the inclined pressure ring telescopic column 20. The D10 guide shaft 21 can slide smoothly in the D10 linear bearing 15, and the D10 linear bearing 15 can ensure that the D10 guide shaft 21 maintains axial linear movement. The reason why the limiting ring can be successfully installed into the second limiting groove without getting stuck in the first limiting groove is mainly because the lower end face of the inclined pressure ring telescopic column 20 has a certain inclination angle. During the pressing process, this inclination angle will first contact the limiting ring, so that the limiting ring fits against the inclined pressure ring telescopic column 20, causing the limiting ring to tilt downward. When the inclination angle is constant, the limiting ring will pass through the first limiting groove. Then, the support column 14 provides positioning, so that the inclined pressure ring telescopic column 20 remains stationary, and the outer cylinder 17 of the pressure ring continues to move downward until the limiting ring is stuck into the limiting groove.

[0036] Working principle:

[0037] First step, adjust the electric cylinder travel distance:

[0038] The assembly 27 with the limit ring installed is placed on the base 13, so that the bottom of the outer shell 24 is completely in contact with the base 13 to ensure coaxiality. Then, the motor 2 is controlled by the PLC control system to move the piston rod 5 down until the bottom of the pressure ring cylinder 17 gently touches the limit ring. The travel distance of the electric cylinder at this time is recorded, and the set distance is increased according to the travel distance in the program setting.

[0039] The second step is to place the parts to be assembled:

[0040] Place the component 27 to be assembled on the base 13, so that the bottom of the outer shell 24 is completely in contact with the base 13 to ensure coaxiality. Then place the spring 26 in the outer shell 24 and place the limiting ring 25 in the inclined shrinking cylinder 23. The limiting ring 25 will be stuck in the middle of the inclined shrinking cylinder 23 when it is not shrinking.

[0041] The third step is to install the limit ring, and then remove it to check the installation status:

[0042] After placing component 27, spring 26, and limit ring 25 in their respective positions, the PLC control system controls the piston rod 5 to move down to the set distance. The limit ring 25 will then press down the spring 26 and lock it into the limit groove. Afterward, remove the installed component and check the installation of the limit ring 25.

[0043] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the present invention in any way. Other variations and modifications may be made without departing from the technical solutions described in the claims.

[0044] In the description of this invention, it should be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings and are only for the convenience of describing the invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention.

Claims

1. A replaceable multi-layer limiting ring mounting device, characterized in that: Includes a PLC control system, an electric cylinder drive unit, a positioning device, and a pressure ring device; The electric cylinder drive device includes a motor (2), a cylinder body (3) and a piston rod connecting plate (6). The motor (2) is connected to the cylinder body (3). The piston rod (5) at the front end of the cylinder body (3) is fixedly connected to the piston rod connecting plate (6). The PLC control system is connected to the motor (2) by electrical signals. The positioning device includes a side plate (8), a drive device connecting plate (9), a base plate (12), a base (13), and a support column (14). The bottom of the side plate (8) is fixed on the base plate (12). One end of the drive device connecting plate (9) is fixed on the top of the side plate (8). The base (13) is detachably connected to the base plate (12). The support column (14) is vertically provided in the center of the base (13). The lower flange of the cylinder (3) is fixed on the drive device connecting plate (9). The piston rod (5) at the front end of the cylinder (3) passes through the drive device connecting plate (9) and is located below the drive device connecting plate (9). The pressure ring device includes a pressure ring device connecting plate (16), a telescopic device, a D10 guide shaft (21), a movable connecting plate (22), and a tapered shrinking ring cylinder (23). The pressure ring device connecting plate (16) is fixed to the lower end of the piston rod connecting plate (6). The top of the D10 guide shaft (21) passes through the pressure ring device connecting plate (16) and the piston rod connecting plate (6) in sequence, and the bottom is connected to the movable connecting plate (22). The tapered shrinking ring cylinder (23) is fixed to the lower end of the movable connecting plate (22). The telescopic device is fixed below the pressure ring device connecting plate (16). The movable connecting plate (22) has a through hole in the center. The telescopic device can pass through the through hole in the center of the movable connecting plate (22) and be inserted into the tapered shrinking ring cylinder (23). The telescopic device includes a pressure ring cylinder (17), a pre-tightening spring (18), an axial positioning block (19), and an inclined pressure ring telescopic column (20). The pressure ring cylinder (17) is fixed below the pressure ring device connecting plate (16). The upper end of the inner wall of the pressure ring cylinder (17) is provided with a positioning groove. The axial positioning block (19) is located in the positioning groove and can move up and down. The lower end of the axial positioning block (19) is connected to the inclined pressure ring telescopic column (20). The top center of the inclined pressure ring telescopic column (20) is provided with a groove. The center of the axial positioning block (19) is provided with a through hole. The upper end of the pre-tightening spring (18) is connected to the pressure ring device connecting plate (16), and the lower end passes through the through hole of the axial positioning block (19) and connects to the bottom of the groove of the inclined pressure ring telescopic column (20).

2. The replaceable multi-layer limiting ring mounting device according to claim 1, characterized in that: A short reinforcing rib (10) is fixed at the connection between the side plate (8) and the drive device connecting plate (9), and a long reinforcing rib (11) is fixed at the connection between the side plate (8) and the bottom plate (12).

3. The replaceable multi-layer limiting ring mounting device according to claim 1, characterized in that: The electric cylinder drive device also includes a D20 guide shaft (4), which is fixed on the piston rod connecting plate (6); the positioning device also includes a D20 linear bearing (7), which is fixed on the drive device connecting plate (9). The D20 guide shaft (4) passes through the drive device connecting plate (9) and the D20 linear bearing (7) from bottom to top, and can move relative to each other within the D20 linear bearing (7).

4. The replaceable multi-layer limiting ring mounting device according to claim 1, characterized in that: The lower end of the inner wall of the pressure ring cylinder (17) is provided with a groove, and the lower end of the inclined pressure ring telescopic column (20) is provided with a retaining ring. The retaining ring can be inserted into the groove, and the bottom of the inclined pressure ring telescopic column (20) is an inclined surface.

5. The replaceable multi-layer limiting ring mounting device according to claim 1, characterized in that: The inclined pressure ring telescopic column (20) has a limiting groove at the bottom center.

6. The replaceable multi-layer limiting ring mounting device according to claim 1, characterized in that: The pressure ring device also includes a D10 linear bearing (15). The upper end of the D10 linear bearing (15) passes through the pressure ring device connecting plate (16) and the piston rod connecting plate (6) in sequence, and is fixedly connected to the pressure ring device connecting plate (16). The top of the D10 guide shaft (21) passes through the D10 linear bearing (15) and can move relative to it within the D10 linear bearing (15).

7. The replaceable multi-layer limiting ring mounting device according to claim 1, characterized in that: The inner diameter of the inclined shrinking ring cylinder (23) gradually decreases from top to bottom.

8. The replaceable multi-layer limiting ring mounting device according to claim 1, characterized in that: The electric cylinder drive device also includes a motor gear protective cover (1), which is fixed on the top of the cylinder body (3), and the motor (2) is fixed on the protective cover (1).

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