Quick assembling equipment for shaft and gear

Abstract

The utility model discloses rapid assembling equipment for shafts and gears, which relates to the technical field of shaft and gear assembling and comprises a press machine body, a hydraulic telescopic cylinder is arranged at the top of the press machine body, a first pressing sleeve frame is arranged at the telescopic end of the hydraulic telescopic cylinder, and a second pressing sleeve frame is arranged on an objective table of the press machine body. Through the arrangement of the spring, the two gears and the shaft can be pre-inserted and pressed together through contraction of the spring, the two centering limiting assemblies can clamp and center the two gears respectively, then the hydraulic telescopic cylinder stretches out and draws back to drive the first pressing sleeve frame to press the primary centering disc downwards, the two gears are assembled at the two ends of the shaft in an interference fit mode, and therefore the two gears are assembled on the two ends of the shaft in an interference fit mode. By means of the structure, the two gears can be rapidly assembled on the shaft at the same time, the shaft and gear assembling efficiency is improved, the two centering and limiting assemblies are operated separately, the device can be suitable for the two gears of different specifications, and the overall applicability of the device is improved.

Description

Technical Field

[0001] This utility model relates to the field of shaft and gear assembly technology, and more specifically, to a rapid assembly device for shafts and gears. Background Technology

[0002] The assembly of gears and shafts has a wide range of applications in mechanical transmission, aerospace, home appliances and other fields, involving a variety of transmission technologies. Its working principle is based on the cooperation between gears and shafts to realize power transmission and motion control. Gears and shafts are connected together by keys, splines or interference fits. When the shaft rotates, the friction of the connection part or the transmission effect of the key drives the gear to rotate together.

[0003] However, the existing gear and shaft interference fit assembly involves placing the gear in the positioning sleeve of a fixture, slowly inserting the shaft into the inner hole of the gear to achieve a preliminary fit, then starting the press and slowly applying pressure to gradually press the shaft into the inner hole of the gear, and assembling the gear onto the shaft by positioning it with the shaft shoulder. For situations where a gear needs to be installed on each side of the shaft, such as the feed system of a machine tool or the joint transmission device of an industrial robot, the existing press assembly equipment requires assembling the two gears on both sides of the shaft sequentially, making it impossible to assemble two gears simultaneously, resulting in low assembly efficiency. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a quick assembly device for shafts and gears, so as to solve the problem that when a gear needs to be installed on each side of a shaft, the existing press assembly equipment requires the two gears to be assembled on both sides of the shaft in sequence, and it is impossible to assemble the two gears at the same time, resulting in low assembly efficiency.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a quick assembly device for shafts and gears, including a press body, a hydraulic telescopic cylinder is provided on the top of the press body, a first pressure sleeve frame is provided at the telescopic end of the hydraulic telescopic cylinder, a second pressure sleeve frame is provided on the platform of the press body, two centering limiting components for centering and clamping gears are vertically arranged on the second pressure sleeve frame, one centering limiting component is fixedly arranged at the bottom of the second pressure sleeve frame, and the other centering limiting component can slide linearly up and down along the second pressure sleeve frame, and a spring is provided between the two centering limiting components.

[0006] Preferably, the centering and limiting component includes a centering disk, on which at least four slide rails are arranged in a circular array. A threaded screw is rotatably connected within each slide rail, and a slider is slidably connected within each slide rail. The slider is threadedly connected to the outer surface of the threaded screw, and a centering plate is fixedly installed on the top of the slider. A spur gear is fixedly connected to the outer end of the threaded screw, and a toothed ring is rotatably connected to the outer side of the centering disk. Each spur gear meshes with the toothed ring, and a spur gear is fixedly installed on the outer side of the toothed ring.

[0007] Preferably, the two centering discs are arranged facing each other, and the two ends of the spring are respectively fixedly connected to the two centering discs. One centering disc is fixedly installed at the bottom of the second pressure sleeve frame, and the other centering disc is movably sleeved on the second pressure sleeve frame.

[0008] Preferably, the centering disc has a through hole in the middle, and there is a gap between the two centering discs and the platform of the press body. The first pressing frame and the second pressing frame are both hollowed-out structures in the middle. The outer diameter of the first pressing frame is smaller than the inner diameter of the second pressing frame, and the center lines of the first pressing frame and the second pressing frame overlap.

[0009] Preferably, the press body is further provided with a drive assembly, the drive assembly includes a drive frame, a drive motor is fixedly mounted on the drive frame, a toothed roller is rotatably connected to the drive frame, the output end of the drive motor is fixedly connected to one end of the toothed roller, and both of the straight toothed rings mesh with the toothed roller.

[0010] Preferably, one of the spur gear rings can slide up and down along the toothed roller.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] This invention utilizes a spring mechanism. The spring's contraction allows two gears to be pre-inserted and pressed together with the shaft. Two centering and limiting components clamp and center the two gears respectively. Then, a hydraulic telescopic cylinder extends and retracts, causing the first pressure sleeve frame to press down on the centering disc once, resulting in an interference fit assembly of the two gears onto both ends of the shaft. This structure allows for simultaneous and rapid assembly of two gears onto the shaft, improving the efficiency of shaft and gear assembly. Furthermore, the independent operation of the two centering and limiting components allows for the application of two gears of different specifications, enhancing the overall applicability of the equipment.

[0013] This utility model uses a shaft through-hole design, so that both ends of the shaft can pass through the shaft through-hole when pressing the shaft and gear. Furthermore, the hollow structure in the middle of the first press sleeve frame and the space between the centering disc and the press body platform provide the movement space for the shaft through-hole.

[0014] This invention, through the setting of the drive component, allows the toothed roller to rotate driven by the drive motor, which can simultaneously mesh with two straight toothed rings and rotate synchronously. This enables the centering and limiting component to simultaneously center and clamp two gears of the same size, improving the convenience of assembling the equipment. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0016] Figure 2 This is a front view of the relevant structures of the centering and limiting component and the driving component of this utility model;

[0017] Figure 3 This is a schematic diagram of the hydraulic telescopic cylinder and the first pressure sleeve frame of this utility model;

[0018] Figure 4 This is a three-dimensional schematic diagram of the centering and limiting component of this utility model.

[0019] [Figure Labels]

[0020] 1. Press body; 2. Hydraulic telescopic cylinder; 3. First pressing sleeve frame; 4. Second pressing sleeve frame; 5. Centering and limiting assembly; 51. Centering disc; 52. Slide rail; 53. Threaded screw; 54. Slider; 55. Centering plate; 56. Spur gear; 57. Face gear ring; 58. Spur gear ring; 59. Shaft through hole; 6. Spring; 7. Drive assembly; 71. Drive frame; 72. Drive motor; 73. Gear roller. Detailed Implementation

[0021] To make the technical problems, technical solutions and advantages of this utility model clearer, a detailed description will be given below in conjunction with the accompanying drawings and specific embodiments.

[0022] As attached Figure 1 To be continued Figure 4 This utility model provides a quick assembly device for shafts and gears, including a press body 1. A hydraulic telescopic cylinder 2 is provided on the top of the press body 1. A first pressing frame 3 is provided at the telescopic end of the hydraulic telescopic cylinder 2. A second pressing frame 4 is provided on the platform of the press body 1. Two centering limiting components 5 for centering and clamping gears are vertically arranged on the second pressing frame 4. One centering limiting component 5 is fixedly arranged at the bottom of the second pressing frame 4, and the other centering limiting component 5 can slide vertically up and down along the second pressing frame 4. A spring 6 is provided between the two centering limiting components 5.

[0023] Preferably, the centering and limiting component 5 includes a centering disk 51, on which at least four slide rails 52 are arranged in a ring array. A threaded screw 53 is rotatably connected inside the slide rail 52, and a slider 54 is slidably connected inside the slide rail 52. The slider 54 is threadedly connected to the outer surface of the threaded screw 53. A centering plate 55 is fixedly installed on the top of the slider 54. A spur gear 56 is fixedly connected to the outer end of the threaded screw 53. A toothed ring 57 is rotatably connected to the outer side of the centering disk 51. Each spur gear 56 meshes with the toothed ring 57. A spur ring 58 is fixedly installed on the outer side of the toothed ring 57.

[0024] In this process, by rotating the toothed ring 57, multiple spur gears 56 can be engaged and rotate in the same direction, driving the threaded screw 53 and the threaded transmission slider 54, so that multiple centering plates 55 can move synchronously towards the center of the centering disk 51, thereby centering, limiting and clamping the gear to be assembled.

[0025] Preferably, the two centering discs 51 are arranged facing each other, and the two ends of the spring 6 are fixedly connected to the two centering discs 51 respectively. One centering disc 51 is fixedly installed at the bottom of the second pressure sleeve frame 4, and the other centering disc 51 is movably sleeved on the second pressure sleeve frame 4.

[0026] Specifically, by setting the spring 6, the two gears can be pre-inserted and pressed together with the shaft by the contraction of the spring 6. The two centering limit components 5 can clamp and center the two gears respectively. Then, the hydraulic telescopic cylinder 2 extends and retracts, driving the first pressure sleeve frame 3 to press down the centering disc 51 once, so that the two gears are interference-fitted and assembled at both ends of the shaft.

[0027] Preferably, the centering disc 51 has a shaft through hole 59 in the middle, and there is a gap between the two centering discs 51 and the platform of the press body 1. The first pressing sleeve 3 and the second pressing sleeve 4 are both hollow structures in the middle. The outer diameter of the first pressing sleeve 3 is smaller than the inner diameter of the second pressing sleeve 4, and the axis lines of the first pressing sleeve 3 and the second pressing sleeve 4 overlap.

[0028] With the above configuration, when pressing the shaft and gear, both ends of the shaft can pass through the shaft through hole 59, and the shaft through part is provided with a space for movement.

[0029] Further embodiments, such as Figure 2 The main body 1 of the press is also equipped with a drive assembly 7, which includes a drive frame 71. A drive motor 72 is fixedly installed on the drive frame 71. A toothed roller 73 is rotatably connected to the drive frame 71. The output end of the drive motor 72 is fixedly connected to one end of the toothed roller 73. Both straight toothed rings 58 mesh with the toothed roller 73.

[0030] Preferably, one of the straight toothed rings 58 can slide up and down along the toothed roller 73.

[0031] Specifically, the drive motor 72 drives the toothed roller 73 to rotate, which can simultaneously mesh with two straight toothed rings 58 to rotate synchronously, so that the centering and limiting component 5 can simultaneously center and clamp two gears of the same size, improving the convenience of assembling the equipment.

[0032] The working process of this utility model is as follows:

[0033] In use, lift the centering and limiting component 5 located at the top. At this time, the spring 6 is stretched, and the two ends of the shaft are pre-inserted into the inner holes of the two gears. Then, release the centering and limiting component 5. The retraction of the spring 6 can press the two gears and the shaft together. Then, the two centering and limiting components 5 clamp and center the two gears respectively. Then, the hydraulic telescopic cylinder 2 extends and retracts, driving the first pressure sleeve frame 3 to press down the centering disc 51 once, so that the two gears are assembled with an interference fit at the two ends of the shaft. The assembled shaft and gears can be taken out by gently lifting the centering disc 51.

[0034] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0035] Secondly: The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0036] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A rapid assembly device for shafts and gears, comprising a press body (1), wherein a hydraulic telescopic cylinder (2) is disposed on the top of the press body (1), characterized in that, The telescopic end of the hydraulic telescopic cylinder (2) is provided with a first pressure sleeve frame (3), and the platform of the press body (1) is provided with a second pressure sleeve frame (4). Two centering limit components (5) for centering and clamping gears are vertically arranged on the second pressure sleeve frame (4). One of the centering limit components (5) is fixedly arranged at the bottom of the second pressure sleeve frame (4), and the other centering limit component (5) can slide vertically up and down along the second pressure sleeve frame (4). A spring (6) is provided between the two centering limit components (5).

2. The rapid assembly equipment for shafts and gears according to claim 1, characterized in that, The centering and limiting component (5) includes a centering disk (51), on which at least four slide rails (52) are arranged in a ring array. A threaded screw (53) is rotatably connected inside the slide rail (52), and a slider (54) is slidably connected inside the slide rail (52). The slider (54) is threadedly connected to the outer surface of the threaded screw (53). A centering plate (55) is fixedly installed on the top of the slider (54). A spur gear (56) is fixedly connected to the outer end of the threaded screw (53). A toothed ring (57) is rotatably connected to the outer side of the centering disk (51). Each spur gear (56) meshes with the toothed ring (57). A spur gear ring (58) is fixedly installed on the outer side of the toothed ring (57).

3. The rapid assembly equipment for shafts and gears according to claim 2, characterized in that, The two centering discs (51) are arranged facing each other, and the two ends of the spring (6) are fixedly connected to the two centering discs (51) respectively. One centering disc (51) is fixedly installed at the bottom of the second pressure sleeve frame (4), and the other centering disc (51) is movably sleeved on the second pressure sleeve frame (4).

4. The rapid assembly equipment for shafts and gears according to claim 3, characterized in that, The centering disc (51) has a shaft through hole (59) in the middle, and there is a gap between the two centering discs (51) and the platform of the press body (1). The first pressing frame (3) and the second pressing frame (4) are both hollowed-out structures in the middle. The outer diameter of the first pressing frame (3) is smaller than the inner diameter of the second pressing frame (4), and the axis lines of the first pressing frame (3) and the second pressing frame (4) overlap.

5. The quick assembly equipment for shafts and gears according to any one of claims 2-4, characterized in that, The press body (1) is also provided with a drive assembly (7), which includes a drive frame (71), a drive motor (72) is fixedly installed on the drive frame (71), and a toothed roller (73) is rotatably connected to the drive frame (71). The output end of the drive motor (72) is fixedly connected to one end of the toothed roller (73), and both straight toothed rings (58) mesh with the toothed roller (73).

6. The rapid assembly equipment for shafts and gears according to claim 5, characterized in that, One of the spur gear rings (58) can slide up and down along the toothed roller (73).

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