Gear hub and gear sleeve fitting device

Abstract

The utility model discloses a gear hub and gear sleeve fitting device, which relates to the technical field of synchronizer production and comprises a casing, a pressing mechanism is arranged at the rear end of the top of the casing, a rotating plate is rotatably connected to the top of the casing, positioning mechanisms for placing gear hubs are arranged at two ends of the top of the rotating plate, and elastic mechanisms for placing gear sleeves are arranged in the positioning mechanisms. The device has the beneficial effects that the two positioning mechanisms are arranged for alternate transposition, when a gear hub and a gear sleeve in one positioning mechanism are subjected to sleeving operation, the gear hub and the gear sleeve which are subjected to sleeving in the other positioning mechanism are taken down, the gear hub and the gear sleeve are placed again, and when the pressing mechanism moves upwards, the rotating column body is rotated through the shifting mechanism, so that the gear hub and the gear sleeve can be positioned. The two positioning mechanisms are shifted, so that the pressing mechanism can continuously perform fitting operation, the waiting idle period is reduced, the efficiency is improved, and the elastic mechanisms arranged in the positioning mechanisms can conveniently take down the gear hub and the gear sleeve which are fitted, so that the operation is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of synchronizer production, in particular to a gear hub and gear sleeve fitting device. Background Art

[0002] During the production process of synchronizer, the gear hub and gear sleeve need to be assembled. In the prior art, some factories still use manual operation to assemble, which is inefficient. Some factories use assembling devices to reduce manual operation and improve efficiency. After searching, the Chinese patent publication number is CN215967251U, which discloses an automatic assembling device for gear hub and gear sleeve for synchronizer processing. In the prior art, it is necessary to manually fix the gear hub and gear sleeve on the assembling device, and then the assembling device is operated. Each time a gear hub and gear sleeve are assembled, it is necessary to wait for the assembling device to complete the work, and then remove the assembled workpiece, and then put in a new gear hub and gear sleeve. At present, it is not convenient to place the gear hub and gear sleeve, and it is not convenient to remove the assembled gear hub and gear sleeve from the device. Therefore, the assembling device is suspended for a long time to wait for manual operation, which makes it difficult to improve efficiency. Utility Model Content

[0003] The purpose of the utility model is to provide a gear hub and gear sleeve fitting device in order to solve the above problems.

[0004] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0005] A gear hub and gear sleeve fitting device comprises a casing, a pressing mechanism is arranged at the rear end of the top of the casing, a rotating plate is rotatably connected to the top of the casing, positioning mechanisms for placing the gear hub are arranged at both ends of the top of the rotating plate, an elastic mechanism for placing the gear sleeve is arranged inside the positioning mechanism, the elastic mechanism is arranged to slide along the axial direction of the positioning mechanism, a rotating cylinder is rotatably connected inside the casing, the bottom end of the rotating plate extends into the casing and is fixedly connected to the rotating cylinder, a toggle mechanism is arranged on the rear side of the rotating cylinder, the toggle mechanism is used to drive the rotating cylinder to rotate, and the toggle mechanism and the pressing mechanism move up and down synchronously.

[0006] Preferably, the positioning mechanism includes a fixed cylinder, which is fixedly connected to the top of the rotating plate, a bearing seat is fixedly connected to the middle of the inner bottom wall of the fixed cylinder, a positioning block for positioning the gear hub is fixedly connected to the top of the bearing seat, and a gap is provided between the bearing seat and the inner wall of the fixed cylinder to form an annular groove, and the elastic mechanism is slidably arranged in the annular groove.

[0007] Preferably, the elastic mechanism comprises a discharge ring, which is slidably connected in the annular groove up and down, a first spring is fixedly connected to the bottom of the discharge ring, and a step surface is arranged on the inner side of the top of the discharge ring.

[0008] Preferably, a first guide groove and a second guide groove are provided on the surface of the rotating cylinder, the first guide groove is spiral, the second guide groove is vertical, the top of the first guide groove is connected to the top of the second guide groove, the bottom of the first guide groove is connected to the bottom of the second guide groove, the depth of the top of the first guide groove is less than the depth of the top of the second guide groove, and the depth of the bottom of the first guide groove is greater than the depth of the bottom of the second guide groove.

[0009] Preferably, the toggle mechanism includes an L-shaped rod, the vertical section of the L-shaped rod is slidably connected to the top wall of the casing, the front end of the horizontal section of the L-shaped rod is fixedly connected to a sleeve, the front end of the sleeve is internally slidably connected to a toggle rod, a second spring is fixedly connected between the toggle rod and the sleeve, and the toggle rod can extend into the first guide groove and the second guide groove.

[0010] Preferably, the pressing mechanism includes a bracket, which is fixedly connected to the rear end of the top of the casing, a hydraulic cylinder is fixedly connected to the top of the bracket, a lifting plate is fixedly connected to the output shaft of the hydraulic cylinder, a pressing plate is fixedly connected to the bottom of the lifting plate, and the top of the vertical section of the L-shaped rod is fixedly connected to the lifting plate.

[0011] The beneficial effect is that by setting two positioning mechanisms for alternate replacement, when the gear hub and gear sleeve in one positioning mechanism are being fitted together, the gear hub and gear sleeve that have been fitted together in the other positioning mechanism are removed, and the gear hub and gear sleeve are replaced, and when the pressing mechanism moves upward, the rotating cylinder is rotated by the toggle mechanism to swap the two positioning mechanisms, so that the pressing mechanism can continuously perform the fitting operation, reducing waiting time and improving efficiency, and the elastic mechanism set in the positioning mechanism can facilitate the removal of the gear hub and gear sleeve that have been fitted together, making the operation more convenient.

[0012] The additional technical features and advantages of the present invention will be more clearly explained in the following description, or can be understood through the specific practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention, but do not constitute a limitation to the present invention. In the accompanying drawings:

[0014] Figure 1 It is a three-dimensional diagram of a gear hub and gear sleeve fitting device described in the utility model;

[0015] Figure 2 It is a left side cross-sectional view of a gear hub and gear sleeve fitting device described in the utility model;

[0016] Figure 3 It is a three-dimensional diagram of the positioning mechanism of a gear hub and gear sleeve fitting device described in the utility model;

[0017] Figure 4It is an enlarged view of the structure of point A of a gear hub and gear sleeve fitting device described in the utility model;

[0018] Figure 5 It is a left side cross-sectional view of a toggle mechanism of a gear hub and gear sleeve fitting device described in the utility model;

[0019] Figure 6 It is a three-dimensional diagram of a rotating cylinder of a gear hub and gear sleeve fitting device described in the utility model.

[0020] The description of the accompanying drawings is as follows: 1. Casing; 2. Pressing mechanism; 201. Bracket; 202. Hydraulic cylinder; 203. Lifting plate; 204. Pressing plate; 3. Rotating plate; 4. Positioning mechanism; 401. Fixed cylinder; 402. Bearing seat; 403. Positioning block; 404. Annular groove; 5. Elastic mechanism; 501. Discharge ring; 502. First spring; 503. Step surface; 6. Rotating cylinder; 601. First guide groove; 602. Second guide groove; 7. Toggle mechanism; 701. L-shaped rod; 702. Sleeve; 703. Toggle rod; 704. Second spring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0023] The utility model is further described below in conjunction with the accompanying drawings:

[0024] like Figure 1-Figure 6As shown, a gear hub and gear sleeve fitting device comprises a casing 1, a pressing mechanism 2 for fitting the gear hub and the gear sleeve is arranged at the top rear end of the casing 1, a rotating plate 3 is rotatably connected to the top of the casing 1 through a bearing, positioning mechanisms 4 for placing the gear hub are arranged at both ends of the top of the rotating plate 3, an elastic mechanism 5 for placing the gear sleeve is arranged inside the positioning mechanism 4, and the elastic mechanism 5 is arranged to slide along the axial direction of the positioning mechanism 4, a rotating cylinder 6 is connected to the inside of the casing 1 through a bearing, the bottom end of the rotating plate 3 extends into the casing 1 and is fixedly connected to the rotating cylinder 6, when the rotating cylinder 6 rotates, it will drive the rotating plate 3 to rotate, so as to replace the two positioning mechanisms 4, a toggle mechanism 7 is arranged at the rear side of the rotating cylinder 6, the toggle mechanism 7 is used to drive the rotating cylinder 6 to rotate, when the toggle mechanism 7 moves up, it will make the rotating cylinder 6 rotate, when the toggle mechanism 7 moves down, the rotating cylinder 6 does not rotate, and the toggle mechanism 7 moves up and down synchronously with the pressing mechanism 2;

[0025] The positioning mechanism 4 includes a fixed cylinder 401, which is connected to the top of the rotating plate 3 by screws. A bearing seat 402 is welded in the middle of the inner bottom wall of the fixed cylinder 401, and a positioning block 403 for positioning the gear hub is welded on the top of the bearing seat 402. The outer wall of the positioning block 403 is provided with teeth. The gear hub is sleeved on the positioning block 403, and the teeth on the positioning block 403 are matched with the teeth on the inner ring of the gear hub to position the gear hub to prevent the gear hub from moving around. There is a gap between the bearing seat 402 and the inner wall of the fixed cylinder 401 to form an annular groove 404, and the elastic mechanism 5 is slidably arranged in the annular groove 404;

[0026] The elastic mechanism 5 includes a discharge ring 501, which is slidably connected in the annular groove 404 up and down. The bottom of the discharge ring 501 is fixedly connected with a first spring 502. A step surface 503 is arranged on the inner side of the top of the discharge ring 501. The height of the step surface 503 is smaller than the top surface of the gear hub. Therefore, when the gear sleeve is placed on the step surface 503, a part of the bottom end of the gear sleeve will be pre-covered on the gear hub, thereby preventing the gear sleeve from moving around. Then, the gear sleeve is pressed down by the pressing mechanism 2, and the gear sleeve will press the discharge ring 501 to move down, thereby fitting the gear hub and the gear sleeve together. After the fitting is completed, the first spring 502 rebounds to move the discharge ring 501 upward, and the discharge ring 501 drives the gear sleeve upward, thereby lifting the fitted gear hub and gear sleeve, which is convenient for the staff to unload materials.

[0027] The surface of the rotating cylinder 6 is provided with a first guide groove 601 and a second guide groove 602. The first guide groove 601 is spiral, and the second guide groove 602 is vertical. There are two first guide grooves 601 and two second guide grooves 602. The top of the first guide groove 601 is connected to the top of the second guide groove 602, and the bottom of the first guide groove 601 is connected to the bottom of the second guide groove 602. The depth of the top of the first guide groove 601 is less than the depth of the top of the second guide groove 602, and the depth of the bottom of the first guide groove 601 is greater than the depth of the bottom of the second guide groove 602.

[0028] The toggle mechanism 7 includes an L-shaped rod 701, the vertical section of the L-shaped rod 701 is slidably connected to the top wall of the housing 1, a sleeve 702 is welded to the front end of the horizontal section of the L-shaped rod 701, a toggle rod 703 is slidably connected inside the front end of the sleeve 702, a second spring 704 is fixedly connected between the toggle rod 703 and the sleeve 702, the toggle rod 703 can extend into the first guide groove 601 and the second guide groove 602, when the toggle rod 703 is located in the bottom end of the first guide groove 601, the toggle rod 703 moves upward to drive the rotating cylinder 6 to rotate 180°, when the toggle rod 703 is located in the top end of the second guide groove 602, the toggle rod 703 moves downward and does not drive the rotating cylinder 6 to rotate;

[0029] The pressing mechanism 2 includes a bracket 201, which is connected to the top rear end of the casing 1 by screws. The top of the bracket 201 is connected to a hydraulic cylinder 202 by bolts. The output shaft of the hydraulic cylinder 202 is fixedly connected to a lifting plate 203. The bottom of the lifting plate 203 is fixedly connected to a pressing plate 204. The top of the vertical section of the L-shaped rod 701 is fixedly connected to the lifting plate 203.

[0030] Working principle: first put the gear hub on the top of the bearing seat 402 and put it on the positioning block 403, then put the gear sleeve on the step surface 503 of the discharge ring 501, at this time the gear sleeve is located at the top of the gear hub, and at this time the lever 703 is located inside the bottom end of the first guide groove 601, when the hydraulic cylinder 202 contracts and drives the lifting plate 203 to move up, the lifting plate 203 drives the L-shaped rod 701 to move up, the L-shaped rod 701 drives the sleeve 702 and the lever 703 to move up, the lever 703 cooperates with the first guide groove 601 to make the rotating cylinder 6 rotate 180°, the rotating cylinder 6 drives the rotating plate 3 to rotate, so as to rotate the positioning mechanism 4 located on the front side to the bottom of the pressure plate 204, and then the hydraulic cylinder 202 extends to make the pressure plate 204 moves down, the pressure plate 204 first presses the gear sleeve down, the gear sleeve presses the discharge ring 501 to move down, the first spring 502 is compressed, so that the gear sleeve is completely sleeved on the gear hub, and in the above-mentioned sleeve-fitting process, the staff operates at the front side of the device, takes out the previous sleeved gear hub and gear sleeve, and puts in a new gear hub and gear sleeve, waiting for the sleeve-fitting, and at the same time in the above-mentioned sleeve-fitting process, the lever 703 moves downward from the top of the second guide groove 602, and the rotating cylinder 6 will not rotate during this process. After the above-mentioned sleeve-fitting operation is completed, the hydraulic cylinder 202 drives the lifting plate 203 to move up. Similar to the above process, the rotating cylinder 6 drives the rotating plate 3 to rotate at this time, and the two positioning mechanisms 4 are swapped, and the operation is cyclic.

[0031] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A gear hub and gear sleeve fitting device, comprising a housing (1), wherein a pressing mechanism (2) is provided at the top rear end of the housing (1), and characterized in that: The top of the housing (1) is rotatably connected to a rotating plate (3), and both ends of the top of the rotating plate (3) are provided with positioning mechanisms (4) for placing a gear hub, and an elastic mechanism (5) for placing a gear sleeve is provided inside the positioning mechanism (4), and the elastic mechanism (5) is slidably arranged along the axial direction of the positioning mechanism (4). The housing (1) is rotatably connected to a rotating cylinder (6), and the bottom end of the rotating plate (3) extends into the housing (1) and is fixedly connected to the rotating cylinder (6). A toggle mechanism (7) is provided on the rear side of the rotating cylinder (6), and the toggle mechanism (7) is used to drive the rotating cylinder (6) to rotate, and the toggle mechanism (7) moves up and down synchronously with the pressing mechanism (2).

2. The gear hub and gear sleeve assembly device according to claim 1, characterized in that: The positioning mechanism (4) comprises a fixed cylinder (401), the fixed cylinder (401) is fixedly connected to the top of the rotating plate (3), a bearing seat (402) is fixedly connected to the middle of the inner bottom wall of the fixed cylinder (401), a positioning block (403) for positioning the gear hub is fixedly connected to the top of the bearing seat (402), a gap is provided between the bearing seat (402) and the inner wall of the fixed cylinder (401), thereby forming an annular groove (404), and the elastic mechanism (5) is slidably arranged in the annular groove (404).

3. The gear hub and gear sleeve assembly device according to claim 2, characterized in that: The elastic mechanism (5) comprises a discharge ring (501), the discharge ring (501) is slidably connected up and down in the annular groove (404), a first spring (502) is fixedly connected to the bottom of the discharge ring (501), and a step surface (503) is arranged on the inner side of the top end of the discharge ring (501).

4. The gear hub and gear sleeve assembly device according to claim 1, characterized in that: A first guide groove (601) and a second guide groove (602) are provided on the surface of the rotating cylinder (6); the first guide groove (601) is spiral-shaped, and the second guide groove (602) is vertical; the top of the first guide groove (601) is connected to the top of the second guide groove (602), and the bottom of the first guide groove (601) is connected to the bottom of the second guide groove (602); the depth of the top of the first guide groove (601) is less than the depth of the top of the second guide groove (602), and the depth of the bottom of the first guide groove (601) is greater than the depth of the bottom of the second guide groove (602).

5. The gear hub and gear sleeve assembly device according to claim 4, characterized in that: The toggle mechanism (7) comprises an L-shaped rod (701), the vertical section of the L-shaped rod (701) is slidably connected to the top wall of the housing (1), the front end of the horizontal section of the L-shaped rod (701) is fixedly connected to a sleeve (702), the front end of the sleeve (702) is internally slidably connected to a toggle rod (703), a second spring (704) is fixedly connected between the toggle rod (703) and the sleeve (702), and the toggle rod (703) can extend into the first guide groove (601) and the second guide groove (602).

6. The gear hub and gear sleeve assembly device according to claim 5, characterized in that: The pressing mechanism (2) comprises a bracket (201), the bracket (201) being fixedly connected to the top rear end of the housing (1), the top of the bracket (201) being fixedly connected to a hydraulic cylinder (202), the output shaft of the hydraulic cylinder (202) being fixedly connected to a lifting plate (203), the bottom of the lifting plate (203) being fixedly connected to a pressing plate (204), and the top of the vertical section of the L-shaped rod (701) being fixedly connected to the lifting plate (203).

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