Motor shaft oil seal assembly tool

Abstract

The utility model discloses a motor shaft oil seal assembly tool which comprises an assembly table, supporting side plates are fixedly installed on the two sides of the upper end of the assembly table, limiting sliding rails are fixedly installed on the front side and the rear side of the upper end of the assembly table, and first driving motors are fixedly installed on the outer sides of the supporting side plates. A transmission shaft on the inner side of the first driving motor partially penetrates through the supporting side plates and is fixedly provided with a main transmission screw, and the outer curved surfaces of the two ends of the main transmission screw are in threaded connection with movable sliding tables. A limiting table and a supporting table are fixedly installed at the upper end of the movable sliding table, an assembling motor needing to be assembled with an oil seal is placed at the upper end of the limiting table, and the outer curved surface of a transmission shaft on the inner side of the assembling motor is movably connected with an oil seal piece needing to be assembled in an attached mode; auxiliary grooves are formed in the two sides of the inner bottom face of the limiting table. The oil seal assembling device achieves the effect of conveniently and uniformly assembling the oil seal.

Description

Technical Field

[0001] The utility model relates to the technical field of motor shaft oil seal assembly, in particular to a motor shaft oil seal assembly tool. Background Art

[0002] The motor shaft oil seal is a sealing device used for the rotating shaft of the motor. Its design is to ensure the effectiveness of the motor's internal oil lubrication system and the long-term stable operation of the motor.

[0003] Preventing Oil Leakage: The primary function of a motor shaft oil seal is to prevent the lubricating oil inside the motor from leaking into the external environment. Preventing Contaminants: In addition to preventing oil leakage, a motor shaft oil seal effectively blocks external contaminants (such as dust, moisture, and corrosive gases) from entering the motor. Maintaining the Normal Operation of the Oil Lubrication System: Through its sealing action, the motor shaft oil seal helps maintain the normal operation of the motor's internal oil lubrication system. Extending the motor's service life: By preventing oil leakage and contaminants from entering, the motor shaft oil seal helps reduce wear and corrosion within the motor.

[0004] However, when the existing technology is actually used, the motor shaft oil seal is a key component that prevents lubricating oil leakage and external impurities from invading the interior of the motor. The traditional method of assembling the motor shaft oil seal is to knock the motor shaft oil seal into the sealing groove of the motor shaft by manual knocking. However, the manual knocking method often has problems of inaccurate positioning and uneven pressing force, which affects the sealing effect and service life of the motor shaft oil seal. Utility Model Content

[0005] The purpose of the utility model is to provide a motor shaft oil seal assembly tool to solve the problem proposed in the above background technology that the motor shaft oil seal is a key component to prevent lubricating oil leakage and external impurities from invading the interior of the motor. The traditional motor shaft oil seal assembly method is to knock the motor shaft oil seal into the sealing groove of the motor shaft by manual knocking. However, the manual knocking method often has problems of inaccurate positioning and uneven pressing force, which affects the sealing effect and service life of the motor shaft oil seal.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: comprising an assembly platform, support side panels are fixedly installed on both sides of the upper end of the assembly platform, limited slide rails are fixedly installed on the front and rear sides of the upper end of the assembly platform, a first drive motor is fixedly installed on the outer side of the support side panel, a main transmission screw is fixedly installed on the inner transmission shaft portion of the first drive motor passing through the support side panel, and the outer curved surfaces at both ends of the main transmission screw are threadedly connected to the movable slide;

[0007] The upper ends of the movable slide are respectively fixedly provided with a limit platform and a support platform, and an assembly motor for assembling an oil seal is placed on the upper end of the limit platform, and the outer curved surface of the transmission shaft inside the assembly motor is movably connected with the oil seal part to be assembled, a main groove is opened in the middle of the inner bottom surface of the limit platform, and auxiliary grooves are opened on both sides of the inner bottom surface of the limit platform, and a first limit slide bar is fixedly installed on the inner wall of the auxiliary groove, and a second driving motor is fixedly installed on the outer side of the limit platform, and the inner transmission shaft portion of the second driving motor passes through the limit platform and is fixedly provided with an auxiliary transmission screw, and the outer curved surfaces of the front and rear ends of the auxiliary transmission screw are threadedly connected with a clamping plate for clamping and fixing the assembly motor;

[0008] An open groove is provided in the middle of the support platform, an adjusting screw is threadedly connected to the upper end of the open groove, a lifting block is threadedly connected to the outer curved surface in the middle of the adjusting screw, a second limiting slide is fixedly installed on the rear end of the lifting block, an assembly ring is fixedly installed on the upper front end support of the lifting block, a shrinkage groove is provided at the front end of the assembly ring, a support spring is fixedly installed on the inner side wall of the shrinkage groove, an assembly top ring is fixedly installed on the front end of the support spring, and a pressure sensor is fixedly installed on the inner side wall of the shrinkage groove.

[0009] Preferably, there are two supporting side panels, which are symmetrically distributed on both sides of the upper end of the assembly platform; there are two limiting slide rails, which are symmetrically distributed on the front and rear sides of the upper end of the assembly platform; both side ends of the limiting slide rails are fixedly installed on the inner side of the supporting side panels.

[0010] Preferably, the outer curved threads at both ends of the main transmission screw are oriented in opposite directions, the main transmission screw is rotatably connected to the inner side of the supporting side plate through a rotating shaft, and the movable slide is limited and movably connected to the upper end of the limiting slide rail.

[0011] Preferably, both side ends of the auxiliary transmission screw are rotatably connected to the inner wall of the main groove via a rotating shaft, and the outer curved threads at both ends of the auxiliary transmission screw are oriented in opposite directions.

[0012] Preferably, there are two clamping plates, which are symmetrically distributed on the outer curved surfaces of the front and rear ends of the auxiliary transmission screw, and the lower ends of both sides of the clamping plates are penetrated and movably connected to the outer curved surface of the first limiting slide rod.

[0013] Preferably, the bottom of the adjusting screw is rotatably connected to the bottom of the open groove through a rotating shaft, the outer curved surface of the upper end of the adjusting screw is threadedly connected to a fastening nut for locking and fastening the adjusting screw, and the bottom of the second limiting slide rod is fixedly installed on the upper end of the support platform.

[0014] Preferably, there are several supporting springs, which are symmetrically distributed on the inner side walls of the shrinkage groove. The assembly top ring and the oil seal are on the same horizontal line, and the rear end of the assembly top ring is movably connected to the front inner wall of the shrinkage groove.

[0015] Preferably, the pressure sensor is electrically connected to the external controller and the first drive motor via a wire.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. The utility model controls and turns on the first drive motor. When the first drive motor is turned on, it drives the main transmission screw to rotate. When the main transmission screw rotates, it drives the movable slide to move linearly inward along the upper end of the limit slide rail due to the force generated by the threaded connection with the outer curved surfaces at both ends of the main transmission screw. When the movable slide moves linearly inward synchronously, it drives the assembly motor and the assembly ring to move linearly inward synchronously. When the assembly motor and the assembly ring move linearly inward, the oil seal and the assembly top ring move linearly inward synchronously. When the oil seal and the assembly top ring move linearly inward synchronously, the assembly top ring evenly squeezes and pushes the oil seal to be assembled to the inner wall of the sealing groove of the transmission shaft at the front end of the assembly motor, thereby facilitating uniform assembly of the oil seal.

[0018] 2. The utility model also provides that, when the top ring is uniformly extruded and pushed by the assembly, the top ring is subjected to resistance and contracts inwardly along the inner wall of the contraction groove to squeeze the support spring. When the support spring is squeezed, it provides elastic buffer support for the top ring, so that the top ring can be buffered when squeezing the oil seal, thereby preventing the oil seal from being damaged due to excessive squeezing force when squeezing the oil seal. At the same time, when the top ring is contracted inwardly along the inner wall of the contraction groove, it contacts and squeezes the pressure sensor, so that the squeezing force of the top ring is monitored by the pressure sensor. When the squeezing force of the top ring is greater than a preset value of the pressure sensor, the pressure sensor cooperates with an external controller to control the first drive motor to stop rotating, thereby stopping the squeezing assembly of the oil seal, thereby achieving uniform assembly of the oil seal. At the same time, by setting the preset value of the pressure sensor, the final squeezing force on the oil seal can be easily controlled, thereby preventing the oil seal from being damaged due to excessive squeezing force of the top ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a motor shaft oil seal assembly tooling of the utility model Figure 1 ;

[0020] Figure 2 This is a schematic diagram of the overall structure of a motor shaft oil seal assembly tooling of the utility model Figure 2 ;

[0021] Figure 3 This is a schematic cross-sectional view of the overall structure of a motor shaft oil seal assembly tooling of the utility model;

[0022] Figure 4 This is a cross-sectional diagram of the local structure of a motor shaft oil seal assembly tooling of the utility model Figure 1 ;

[0023] Figure 5 This is a cross-sectional diagram of the local structure of a motor shaft oil seal assembly tooling of the utility model Figure 2 .

[0024] In the figure: 1. Assembly table; 2. Support side plate; 3. Limit slide rail; 4. First drive motor; 5. Main transmission screw; 6. Moving slide; 7. Limit table; 8. Support table; 9. Main groove; 10. Auxiliary groove; 11. First limit slide; 12. Second drive motor; 13. Auxiliary transmission screw; 14. Clamping plate; 15. Assembly motor; 16. Opening groove; 17. Adjusting screw; 18. Lifting block; 19. Second limit slide; 20. Assembly ring; 21. Shrinkage groove; 22. Support spring; 23. Assembly top ring; 24. Pressure sensor; 25. Oil seal. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figure 1-5The utility model provides a technical solution for assembling a motor shaft oil seal: it includes an assembly platform 1, and supporting side plates 2 are fixedly installed on both sides of the upper end of the assembly platform 1, and the number of the supporting side plates 2 is two, which are symmetrically distributed on both sides of the upper end of the assembly platform 1, and limiting slide rails 3 are fixedly installed on the front and rear sides of the upper end of the assembly platform 1, and the number of the limiting slide rails 3 is two, which are symmetrically distributed on the front and rear sides of the upper end of the assembly platform 1, and the two side ends of the limiting slide rails 3 are fixedly installed on the inner side of the supporting side plates 2, so that the two side ends of the limiting slide rails 3 can be adjusted by the supporting side plates 2. The first drive motor 4 is fixedly installed on the outer side of the support side plate 2, and the main transmission screw 5 is fixedly installed on the inner transmission shaft part of the first drive motor 4 through the support side plate 2, and the outer curved threads at both ends of the main transmission screw 5 are facing oppositely. The main transmission screw 5 is rotatably connected to the inner side of the support side plate 2 through a rotating shaft, and the outer curved threads at both ends of the main transmission screw 5 are connected to a movable slide 6, and the movable slide 6 is limited and fitted and movably connected to the upper end of the limiting slide rail 3, so that the movable slide 6 is linearly limited by the limiting slide rail 3;

[0027] The upper ends of the movable slide 6 are respectively fixedly installed with a limit platform 7 and a support platform 8. The upper end of the limit platform 7 is provided with an assembly motor 15 for assembling the required oil seal. The outer curved surface of the transmission shaft inside the assembly motor 15 is fitted with a movable connection with the required oil seal 25. A main groove 9 is provided in the middle of the inner bottom surface of the limit platform 7, and auxiliary grooves 10 are provided on both sides of the inner bottom surface of the limit platform 7. The inner wall of the auxiliary groove 10 is fixedly provided with a first limit slide bar 11. The outer side of the limit platform 7 is fixedly provided with a second drive motor 12. The inner transmission shaft portion of the second drive motor 12 passes through the fixed installation device of the limit platform 7. A secondary transmission screw 13 is provided, and both side ends of the secondary transmission screw 13 are rotatably connected to the inner wall of the main groove 9 through a rotating shaft. The outer curved threads at both ends of the secondary transmission screw 13 face opposite directions. The front and rear outer curved surfaces of the secondary transmission screw 13 are threadedly connected to clamping plates 14 for clamping and fixing the assembly motor 15. There are two clamping plates 14, which are symmetrically distributed about the front and rear outer curved surfaces of the secondary transmission screw 13. The lower ends of both sides of the clamping plates 14 penetrate and fit movably connected to the outer curved surface of the first limiting slide 11, so that the clamping plates 14 are linearly slidably limited by the first limiting slide 11.

[0028] An open slot 16 is provided in the middle of the support platform 8, and an adjusting screw 17 is threadedly connected to the upper end of the open slot 16, and the bottom of the adjusting screw 17 is rotatably connected to the bottom of the open slot 16 through a rotating shaft. The outer curved surface of the upper end of the adjusting screw 17 is threadedly connected to a fastening nut for locking and fastening the adjusting screw 17, and a lifting block 18 is threadedly connected to the outer curved surface in the middle of the adjusting screw 17. A second limiting slide 19 is fixedly installed on the rear end of the lifting block 18, and the bottom of the second limiting slide 19 is fixedly installed on the upper end of the support platform 8. An assembly ring 20 is fixedly installed on the upper side of the front end of the lifting block 18, and a contraction groove 21 is provided at the front end of the assembly ring 20. A support spring 22 is fixedly installed on the inner wall of the contraction groove 21, and there are several support springs 22, which are symmetrically distributed on the inner wall of the contraction groove 21. An assembly top ring 23 is fixedly installed on the front end of the support spring 22, and the assembly top ring 23 and the oil seal 25 are on the same horizontal line. The rear end of the assembly top ring 23 is movably connected to the front end inner wall of the contraction groove 21, so that the assembly top ring 23 is elastically limited and supported by the support spring 22 and the contraction groove 21. A pressure sensor 24 is fixedly installed through the inner wall of the contraction groove 21, and the pressure sensor 24 is electrically connected to the external controller and the first drive motor 4 through a wire.

[0029] Working principle: When in use, the utility model controls to start the second drive motor 12. When the second drive motor 12 is turned on, it drives the auxiliary transmission screw 13 to rotate. When the auxiliary transmission screw 13 rotates, it drives the clamping plate 14 to move linearly inward along the outer curved surface of the first limit slide bar 11 due to the force generated by the threaded connection with the front and rear end outer curved surfaces of the auxiliary transmission screw 13. When the clamping plate 14 moves linearly inward synchronously, it will synchronously clamp the assembly motor 15 in the center, so that the assembly motor 15 remains fixed on the upper end of the limit platform 7, thereby facilitating the synchronous centering and fixing of the assembly motor 15.

[0030] When the assembly motor 15 is kept fixed on the upper end of the limit platform 7, the oil seal 25 to be assembled is placed on the outer curved surface of the transmission shaft inside the assembly motor 15, so that the oil seal 25 is aligned with the sealing groove of the transmission shaft at the front end of the assembly motor 15. When the oil seal 25 is aligned with the sealing groove of the transmission shaft at the front end of the assembly motor 15, the first drive motor 4 is turned on by control. When the first drive motor 4 is turned on, it will drive the main transmission screw 5 to rotate. When the main transmission screw 5 rotates, it will drive the movable slide 6 to move along the limit slide due to the force generated by the threaded connection with the outer curved surfaces at both ends of the main transmission screw 5. The upper end of the rail 3 moves linearly inward synchronously. When the movable slide 6 moves linearly inward synchronously, the assembly motor 15 and the assembly ring 20 are synchronously driven to move linearly inward. When the assembly motor 15 and the assembly ring 20 move linearly inward, the oil seal 25 and the assembly top ring 23 are synchronously moved linearly inward. When the oil seal 25 and the assembly top ring 23 move linearly inward synchronously, the assembly top ring 23 uniformly squeezes and pushes the oil seal 25 to be assembled to the inner wall of the sealing groove of the transmission shaft at the front end of the assembly motor 15, thereby facilitating uniform assembly of the oil seal 25.

[0031] At the same time, when the assembly top ring 23 uniformly squeezes and pushes the oil seal 25, the assembly top ring 23 will be subject to resistance and shrink inward along the inner wall of the shrinkage groove 21 to squeeze the support spring 22. When the support spring 22 is squeezed, it will play an elastic buffering support for the assembly top ring 23, so that the assembly top ring 23 can be buffered when squeezing the oil seal 25, avoiding excessive squeezing force when squeezing the oil seal 25, which may cause damage to the oil seal 25. At the same time, when the assembly top ring 23 shrinks inward along the inner wall of the shrinkage groove 21, it will touch and squeeze the pressure sensor 24. The pressure sensor 24 is used to monitor the extrusion pressure of the top ring 23 during assembly. When the extrusion pressure of the top ring 23 during assembly exceeds the preset value of the pressure sensor 24, the pressure sensor 24 cooperates with the external controller to control the first drive motor 4 to stop rotating, thereby stopping the extrusion assembly of the oil seal 25. This ensures uniform assembly of the oil seal 25. Setting the preset value of the pressure sensor 24 facilitates controlling the final extrusion pressure on the oil seal 25, thereby preventing the oil seal 25 from being damaged by excessive extrusion pressure of the top ring 23.

[0032] Before assembling the oil seal 25, the fastening nut is loosened by rotating. When the fastening nut is loosened, the adjusting screw 17 is rotated. When the adjusting screw 17 rotates, the lifting block 18 is driven to move linearly up and down along the outer curved surface of the second limit slide bar 19 due to the threaded connection with the outer curved surface of the middle part of the adjusting screw 17. When the lifting block 18 moves linearly up and down, it drives the assembly ring 20 to move linearly up and down. When the assembly ring 20 moves linearly up and down, it synchronously drives the assembly top ring 23 to move linearly up and down for adjustment, thereby facilitating the adjustment of the upper and lower heights of the assembly top ring 23, so that the assembly top ring 23 can adapt to the assembly of oil seals 25 of different heights.

[0033] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0034] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A motor shaft oil seal assembly tool, characterized by: The utility model comprises an assembly platform (1), wherein support side plates (2) are fixedly installed on both sides of the upper end of the assembly platform (1), and limit slide rails (3) are fixedly installed on the front and rear sides of the upper end of the assembly platform (1), and a first drive motor (4) is fixedly installed on the outer side of the support side plates (2). The inner transmission shaft of the first drive motor (4) passes through the support side plates (2) and is fixedly installed with a main transmission screw (5), and the outer curved surfaces at both ends of the main transmission screw (5) are threadedly connected to a movable slide (6); The upper end of the movable slide (6) is respectively fixedly provided with a limit platform (7) and a support platform (8); an assembly motor (15) for assembling an oil seal is placed on the upper end of the limit platform (7); the outer curved surface of the inner transmission shaft of the assembly motor (15) is movably connected with the oil seal (25) for assembling; a main groove (9) is provided in the middle of the inner bottom surface of the limit platform (7); auxiliary grooves (10) are provided on both sides of the inner bottom surface of the limit platform (7); a first limit slide bar (11) is fixedly provided on the inner wall of the auxiliary groove (10); a second drive motor (12) is fixedly provided on the outer side of the limit platform (7); the inner transmission shaft of the second drive motor (12) passes through the limit platform (7) and is fixedly provided with an auxiliary transmission screw (13); the outer curved surfaces of the front and rear ends of the auxiliary transmission screw (13) are threadedly connected with a clamping plate (14) for clamping and fixing the assembly motor (15); An open slot (16) is provided in the middle of the support platform (8), an adjusting screw (17) is threadedly connected to the upper end of the open slot (16), a lifting block (18) is threadedly connected to the outer curved surface of the middle of the adjusting screw (17), a second limiting slide bar (19) is fixedly installed on the rear end of the lifting block (18), an assembly ring (20) is fixedly installed on the upper side of the front end of the lifting block (18), a contraction slot (21) is provided at the front end of the assembly ring (20), a support spring (22) is fixedly installed on the inner side wall of the contraction slot (21), an assembly top ring (23) is fixedly installed on the front end of the support spring (22), and a pressure sensor (24) is fixedly installed on the inner side wall of the contraction slot (21).

2. The motor shaft oil seal assembly tool according to claim 1, characterized in that: There are two supporting side plates (2), which are symmetrically distributed on both sides of the upper end of the assembly platform (1); there are two limiting slide rails (3), which are symmetrically distributed on the front and rear sides of the upper end of the assembly platform (1); both side ends of the limiting slide rails (3) are fixedly installed on the inner side of the supporting side plates (2).

3. The motor shaft oil seal assembly tool according to claim 2, characterized in that: The outer curved threads at both ends of the main transmission screw (5) face in opposite directions. The main transmission screw (5) is rotatably connected to the inner side of the supporting side plate (2) via a rotating shaft. The movable slide (6) is movably connected to the upper end of the limiting slide rail (3) in a limited position.

4. The motor shaft oil seal assembly tool according to claim 3, characterized in that: The two side ends of the auxiliary transmission screw (13) are rotatably connected to the inner wall of the main groove (9) via a rotating shaft, and the outer curved threads at both ends of the auxiliary transmission screw (13) face in opposite directions.

5. The motor shaft oil seal assembly tool according to claim 4, characterized in that: There are two clamping plates (14), which are symmetrically distributed on the outer curved surfaces of the front and rear ends of the auxiliary transmission screw (13). The lower ends of both sides of the clamping plates (14) penetrate and fit movably connected to the outer curved surface of the first limiting slide rod (11).

6. The motor shaft oil seal assembly tool according to claim 5, characterized in that: The bottom of the adjusting screw (17) is rotatably connected to the bottom of the opening groove (16) via a rotating shaft, and the outer curved surface of the upper end of the adjusting screw (17) is threadedly connected to a fastening nut for locking and fastening the adjusting screw (17), and the bottom of the second limiting slide bar (19) is fixedly installed on the upper end of the support platform (8).

7. The motor shaft oil seal assembly tool according to claim 6, characterized in that: The supporting springs (22) are symmetrically distributed on the inner side wall of the shrinkage groove (21) in sequence. The assembly top ring (23) and the oil seal (25) are on the same horizontal line. The rear end of the assembly top ring (23) is movably connected to the front inner wall of the shrinkage groove (21).

8. The motor shaft oil seal assembly tool according to claim 7, characterized in that: The pressure sensor (24) is electrically connected to an external controller and a first drive motor (4) via a wire.

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