Anti-rotation device for servo electric cylinder

Abstract

The anti-rotation device for the servo electric cylinder comprises a servo electric cylinder body, a rectangular fixing hoop is fixedly arranged on the surface of the servo electric cylinder body, a connecting assembly is arranged on the left side of the rectangular fixing hoop, and a connecting sleeve is arranged on the left side of the rectangular fixing hoop through the connecting assembly. A lubricating groove is formed in the connecting sleeve, a filling hole is formed in the lubricating groove, a plugging assembly is arranged in the filling hole, and a sliding rod is arranged in the connecting sleeve in a sliding mode. Through arrangement of a rectangular fixing hoop, a connecting assembly, a connecting sleeve, a lubricating groove, a filling hole, a sliding rod, a limiting plate, a mounting plate and a circular fixing hoop, the output end of the servo electric cylinder body can be conveniently limited, so that the output end of the servo electric cylinder body can only move in the vertical direction, the situation that the output end of the servo electric cylinder body rotates is avoided, and the service life of the servo electric cylinder body is prolonged. And the situation that the internal temperature of the servo electric cylinder body rises due to the fact that the anti-rotation device is arranged in the servo electric cylinder body is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of servo electric cylinders, in particular to an anti-rotation device for a servo electric cylinder. Background Art

[0002] The servo electric cylinder is a modular product that integrates the servo motor and the lead screw. It converts the rotary motion of the servo motor into linear motion. At the same time, it converts the best advantages of the servo motor, namely, precise speed control, precise rotation speed control, and precise torque control, into precise speed control, precise position control, and precise thrust control. The servo electric cylinder can completely replace the hydraulic cylinder and the air cylinder, and achieve the advantages of being more environmentally friendly, more energy-efficient, and cleaner. It is easy to connect to control systems such as PLC.

[0003] The output end of the servo electric cylinder may rotate during use. To solve the problem of piston rod rotation, the prior art mainly starts from two directions. The first direction is to set an anti-rotation device in the electric cylinder. This method is likely to increase the temperature in the cylinder body and affect the life of the electric cylinder. Therefore, an anti-rotation device for a servo electric cylinder is proposed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an anti-rotation device for a servo electric cylinder, which is used to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A servo electric cylinder anti-rotation device comprises a servo electric cylinder body, a rectangular fixing hoop is fixedly provided on the surface of the servo electric cylinder body, a connecting component is provided on the left side of the rectangular fixing hoop, a connecting sleeve is provided on the left side of the rectangular fixing hoop through the connecting component, a lubrication groove is provided inside the connecting sleeve, a filling hole is provided inside the lubrication groove, a blocking component is provided inside the filling hole, a sliding rod is slidably provided inside the connecting sleeve, a limiting plate is fixedly provided at the bottom end of the sliding rod, a mounting plate is fixedly provided at the top end of the sliding rod, a circular fixing hoop is fixedly provided on the right side of the mounting plate, the circular fixing hoop is fixedly installed on the output end of the servo electric cylinder body, and a sealing component is provided inside the connecting sleeve.

[0007] Preferably, the connecting assembly includes a connecting plate overlapped and arranged on the left side of the rectangular fixing hoop, the connecting sleeve is fixedly installed on the left side of the connecting plate, a connecting hole is penetrated through the right side of the connecting plate, a fixing column is overlapped and arranged inside the connecting hole, the fixing column is fixedly installed on the left side of the rectangular fixing hoop, and a fixing nut is threadedly arranged on the surface of the fixing column.

[0008] Preferably, the blocking assembly comprises a threaded column threadedly arranged inside the filling hole, a blocking plate is fixedly arranged at the left end of the threaded column, and a cross-turn plate is fixedly arranged on the left side of the blocking plate.

[0009] Preferably, the sealing assembly includes a mounting groove opened inside the connecting sleeve, and a sealing gasket is fixedly arranged inside the mounting groove, and the sealing gasket is in contact with the sliding rod.

[0010] Preferably, the connecting plate is in a U-shaped structure, the connecting plate is made of metal material, and the left side wall of the connecting plate is not in contact with the fixing column.

[0011] Preferably, the sliding rod and the limiting plate are both circular in structure, and are both made of metal.

[0012] Preferably, the number of the mounting grooves and the number of the sealing gaskets are both two, and the two mounting grooves and the two sealing gaskets are symmetrically distributed.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the anti-rotation device for the servo electric cylinder, through the arrangement of a rectangular fixing hoop, a connecting assembly, a connecting sleeve, a lubrication groove, a filling hole, a sliding rod, a limiting plate, a mounting plate and a circular fixing hoop, is convenient for limiting the output end of the servo electric cylinder body, so that the output end of the servo electric cylinder body can only move vertically, thereby avoiding the rotation of the output end of the servo electric cylinder body and avoiding the situation where the anti-rotation device is arranged inside the servo electric cylinder body, causing the internal temperature to rise. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the structural survey drawing of the utility model;

[0015] Figure 2 It is a schematic diagram of the local structure of the utility model;

[0016] Figure 3 It is a front cross-sectional view of another local structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the structural connection assembly of the utility model;

[0018] Figure 5 This is a schematic diagram of the internal structure of the structural connection sleeve of the utility model;

[0019] Figure 6 for Figure 5 A magnified view of the structure at A;

[0020] Figure 7 This is a schematic diagram of the structure of the structural sealing component of the utility model.

[0021] In the figure: 1. Servo electric cylinder body; 2. Rectangular fixing hoop; 3. Connecting plate; 4. Connecting hole; 5. Fixing column; 6. Fixing nut; 7. Connecting sleeve; 8. Lubrication groove; 9. Filling hole; 10. Sliding rod; 11. Limiting plate; 12. Mounting plate; 13. Round fixing hoop; 14. Threaded column; 15. Sealing plate; 16. Cross swivel plate; 17. Mounting groove; 18. Sealing gasket. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Reference Figure 1-7A servo electric cylinder anti-rotation device comprises a servo electric cylinder body 1, a rectangular fixing hoop 2 is fixedly arranged on the surface of the servo electric cylinder body 1, a connecting assembly is arranged on the left side of the rectangular fixing hoop 2, the connecting assembly comprises a connecting plate 3 overlapped and arranged on the left side of the rectangular fixing hoop 2, a connecting sleeve 7 is fixedly installed on the left side of the connecting plate 3, a connecting hole 4 is penetrated and arranged on the right side of the connecting plate 3, a fixing column 5 is overlapped and arranged inside the connecting hole 4, the fixing column 5 is fixedly installed on the left side of the rectangular fixing hoop 2, a fixing nut 6 is threadedly arranged on the surface of the fixing column 5, and the connecting plate 3 is placed on the rectangular fixing hoop 2 On the left side, the fixing column 5 is inserted into the connecting hole 4, and then the fixing nut 6 is screwed into the surface of the fixing column 5, so as to facilitate the installation of the connecting sleeve 7. A connecting sleeve 7 is arranged on the left side of the rectangular fixing hoop 2 through a connecting assembly. The connecting plate 3 is in a Chinese-shaped structure. The connecting plate 3 is made of metal material. The left side wall of the connecting plate 3 does not contact the fixing column 5, so that the connecting plate 3 is not damaged, so that the connecting sleeve 7 is connected more firmly and does not contact the fixing column 5, which is convenient for placing the fixing nut 6 into the connecting plate 3 and screwing it into the fixing column 5. A lubrication groove 8 is provided inside the connecting sleeve 7. A filling hole 9 is provided inside the lubrication groove 8, a plugging assembly is provided inside the filling hole 9, a sliding rod 10 is slidably provided inside the connecting sleeve 7, a limiting plate 11 is fixedly provided at the bottom end of the sliding rod 10, the sliding rod 10 and the limiting plate 11 are both circular structures, the sliding rod 10 and the limiting plate 11 are both made of metal material, so that the strength of the sliding rod 10 and the limiting plate 11 is higher, so that the sliding rod 10 is not easy to deform and break when subjected to force, a mounting plate 12 is fixedly provided at the top of the sliding rod 10, a circular fixing hoop 13 is fixedly provided on the right side of the mounting plate 12, and the circular fixing hoop 13 is fixed It is installed on the output end of the servo electric cylinder body 1, and a sealing component is arranged inside the connecting sleeve 7. Through the arrangement of the rectangular fixing hoop 2, the connecting component, the connecting sleeve 7, the lubrication groove 8, the filling hole 9, the sliding rod 10, the limiting plate 11, the mounting plate 12 and the circular fixing hoop 13, it is convenient to limit the output end of the servo electric cylinder body 1, so that the output end of the servo electric cylinder body 1 can only move vertically, thereby avoiding the rotation of the output end of the servo electric cylinder body 1 and avoiding the situation where the anti-rotation device is arranged inside the servo electric cylinder body 1, causing the internal temperature to rise.

[0024] Specifically, the sealing assembly includes a threaded column 14 threadedly arranged inside the filling hole 9, a sealing plate 15 is fixedly arranged on the left end of the threaded column 14, and a cross-turn plate 16 is fixedly arranged on the left side of the sealing plate 15. The setting of the sealing plate 15 and the threaded column 14 facilitates the sealing of the filling hole 9 to prevent the lubricating oil from flowing out of the filling hole 9. The setting of the cross-turn plate 16 facilitates the screwing of the sealing plate 15, thereby facilitating the removal of the threaded column 14 from the filling hole 9 or screwing the threaded column 14 into the filling hole 9.

[0025] Specifically, the sealing assembly includes a mounting groove 17 opened inside the connecting sleeve 7, and a sealing gasket 18 is fixedly arranged inside the mounting groove 17. There are two mounting grooves 17 and two sealing gaskets 18, and the two mounting grooves 17 and the two sealing gaskets 18 are symmetrically distributed. The sealing gasket 18 contacts the sliding rod 10, and the sealing gasket 18 is installed inside the mounting groove 17, so as to seal between the sliding rod 10 and the connecting sleeve 7. Moreover, by installing two sealing gaskets 18 through the two mounting grooves 17, the upper and lower parts of the connecting sleeve 7 can be sealed at the same time, thereby avoiding leakage of lubricating oil in the lubrication groove 8.

[0026] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0027] During use: the sealing plate 15 is driven to rotate by the cross-turn plate 16, and the threaded column 14 is driven to rotate by the sealing plate 15, so that the threaded column 14 is moved out of the filling hole 9, and the lubricating oil is added to the lubrication groove 8 through the filling hole 9, and then the threaded column 14 is inserted into the filling hole 9 through the cross-turn plate 16 and the sealing plate 15. When the servo electric cylinder body 1 drives the output end to extend or shorten, the output end of the servo electric cylinder body 1 drives the circular fixing hoop 13 to move upward or downward, and the circular fixing hoop 13 drives the sliding rod 10 to move inside the connecting sleeve 7 through the mounting plate 12, and during the movement of the sliding rod 10, the surface of the sliding rod 10 contacts with the lubricating oil, and the surface of the sliding rod 10 is lubricated by the lubricating oil, and the sliding rod 10 is limited by the connecting sleeve 7, so that the mounting plate 12 limits the output end of the servo electric cylinder body 1 through the circular fixing hoop 13.

[0028] To sum up, the anti-rotation device for the servo electric cylinder, through the arrangement of the rectangular fixing hoop 2, the connecting assembly, the connecting sleeve 7, the lubrication groove 8, the filling hole 9, the sliding rod 10, the limiting plate 11, the mounting plate 12 and the circular fixing hoop 13, is convenient for limiting the output end of the servo electric cylinder body 1, so that the output end of the servo electric cylinder body 1 can only move vertically, thereby avoiding the rotation of the output end of the servo electric cylinder body 1, and avoiding the situation where the anti-rotation device is arranged inside the servo electric cylinder body 1, causing its internal temperature to rise, and is used to solve the problems raised in the above-mentioned background technology.

[0029] It should 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", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-rotation device for a servo electric cylinder, comprising a servo electric cylinder body (1), characterized in that: A rectangular fixing hoop (2) is fixedly arranged on the surface of the servo electric cylinder body (1), a connecting assembly is arranged on the left side of the rectangular fixing hoop (2), a connecting sleeve (7) is arranged on the left side of the rectangular fixing hoop (2) through the connecting assembly, a lubrication groove (8) is arranged inside the connecting sleeve (7), a filling hole (9) is arranged inside the lubrication groove (8), a blocking assembly is arranged inside the filling hole (9), a sliding rod (10) is slidably arranged inside the connecting sleeve (7), a limiting plate (11) is fixedly arranged at the bottom end of the sliding rod (10), a mounting plate (12) is fixedly arranged at the top end of the sliding rod (10), a circular fixing hoop (13) is fixedly arranged on the right side of the mounting plate (12), the circular fixing hoop (13) is fixedly installed on the output end of the servo electric cylinder body (1), and a sealing assembly is arranged inside the connecting sleeve (7).

2. The anti-rotation device for a servo electric cylinder according to claim 1, characterized in that: The connection assembly comprises a connection plate (3) overlapped and arranged on the left side of a rectangular fixing hoop (2); the connection sleeve (7) is fixedly installed on the left side of the connection plate (3); a connection hole (4) is provided through the right side of the connection plate (3); a fixing column (5) is overlapped and arranged inside the connection hole (4); the fixing column (5) is fixedly installed on the left side of the rectangular fixing hoop (2); and a fixing nut (6) is threadedly provided on the surface of the fixing column (5).

3. The anti-rotation device for a servo electric cylinder according to claim 1, characterized in that: The plugging assembly comprises a threaded column (14) threadedly arranged inside the filling hole (9), a plugging plate (15) is fixedly arranged at the left end of the threaded column (14), and a cross rotating plate (16) is fixedly arranged on the left side of the plugging plate (15).

4. The anti-rotation device for a servo electric cylinder according to claim 1, characterized in that: The sealing component comprises a mounting groove (17) opened inside the connecting sleeve (7), a sealing gasket (18) is fixedly arranged inside the mounting groove (17), and the sealing gasket (18) is in contact with the sliding rod (10).

5. The anti-rotation device for a servo electric cylinder according to claim 2, characterized in that: The connecting plate (3) is in a U-shaped structure, the connecting plate (3) is made of metal material, and the left side wall of the connecting plate (3) is not in contact with the fixing column (5).

6. The anti-rotation device for a servo electric cylinder according to claim 1, characterized in that: The sliding rod (10) and the limiting plate (11) are both circular in structure, and are both made of metal.

7. The anti-rotation device for a servo electric cylinder according to claim 4, characterized in that: The number of the installation grooves (17) and the number of the sealing gaskets (18) are both two, and the two installation grooves (17) and the two sealing gaskets (18) are symmetrically distributed.

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