Positioning tool for press fitting of double damping rings

Abstract

The utility model provides a positioning tool for press fitting of double damping rings, which comprises a tool body provided with a first positioning station and a second positioning station. A first positioning protrusion is arranged at the first end of the first positioning station, a second positioning protrusion is arranged at the second end of the first positioning station, a first positioning groove is formed in the interval between the first positioning protrusion and the second positioning protrusion, and the interval between the first positioning protrusion and the second positioning protrusion is matched with the length of a flange; a third positioning protrusion is arranged at the first end of the second positioning station, a fourth positioning protrusion is arranged at the second end of the second positioning station, a second positioning groove is formed in the interval between the third positioning protrusion and the fourth positioning protrusion, and the interval between the third positioning protrusion and the fourth positioning protrusion is matched with the length of the flange; and a set interval is formed between the first positioning groove and the second positioning groove. The problems that in the prior art, when double damping rings are installed on a constant-speed transmission shaft, time and labor are wasted, and positioning of the two damping rings is not accurate are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of constant velocity drive shaft assembly, and particularly relates to a positioning tooling for press-fitting double shock-absorbing rings. Background Art

[0002] With the continuous development of automobile technology and the improvement of material living standards, people's requirements for the riding comfort of automobiles are getting higher and higher. Solving the NVH (noise, vibration, and harshness) problem is an important part of improving the riding comfort of automobiles. In order to control the abnormal vibration of the drive shaft, installing a shock-absorbing ring on the drive shaft is the main means. During the automatic assembly of the constant velocity drive shaft of an automobile, usually only one shock-absorbing ring is installed on the constant velocity drive shaft, that is, the installation can be completed through one-time press-fitting. For the requirement of installing two shock-absorbing rings on the constant velocity drive shaft, it needs to be realized through two-time press-fitting, and it is necessary to ensure that the distance between the two shock-absorbing rings meets the design requirements. Therefore, when manually installing double shock-absorbing rings on the constant velocity drive shaft, it needs to be positioned multiple times, which is not only time-consuming and laborious, but also may make the positioning of the two shock-absorbing rings inaccurate, resulting in poor assembly accuracy. Summary of the Invention

[0003] In view of the above-mentioned disadvantages of the prior art, the purpose of the present utility model is to provide a positioning tooling for press-fitting double shock-absorbing rings, which is used to solve the problems of time-consuming and laborious installation of double shock-absorbing rings on the constant velocity drive shaft and inaccurate positioning of the two shock-absorbing rings in the prior art.

[0004] To achieve the above purpose and other related purposes, the present utility model provides a positioning tooling for press-fitting double shock-absorbing rings. The middle part of the shock-absorbing ring is provided with a flange, and the flange has a first end face and a second end face along the length direction of the flange. The positioning tooling includes a tooling body, and the tooling body is provided with a first positioning station and a second positioning station; wherein, a first positioning protrusion is provided at the first end of the first positioning station, a second positioning protrusion is provided at the second end of the first positioning station, and the interval between the first positioning protrusion and the second positioning protrusion forms a first positioning groove, and the interval between the first positioning protrusion and the second positioning protrusion is adapted to the length of the flange; a third positioning protrusion is provided at the first end of the second positioning station, a fourth positioning protrusion is provided at the second end of the second positioning station, and the interval between the third positioning protrusion and the fourth positioning protrusion forms a second positioning groove, and the interval between the third positioning protrusion and the fourth positioning protrusion is adapted to the length of the flange; there is a set interval between the first positioning groove and the second positioning groove.

[0005] Preferably, two arc-shaped grooves are arranged at intervals on the bottom surface of the first positioning groove and / or the second positioning groove.

[0006] Preferably, the set interval between the first positioning groove and the second positioning groove is 31 mm.

[0007] Preferably, handles are respectively and fixedly provided on the left and right sides of the tooling body.

[0008] As described above, the positioning tooling for press-fitting double shock-absorbing rings of the present utility model has the following beneficial effects: When in use, the tooling body is fixedly arranged on the slider of the press-fitting equipment, and then the two shock-absorbing rings to be press-fitted onto the constant velocity drive shaft are respectively clamped in the first positioning groove and the second positioning groove on the tooling body, so as to realize the axial positioning of the shock-absorbing rings. Then, the press-fitting equipment drives the slider to move, and the slider drives the tooling body to move together towards the direction close to the constant velocity drive shaft, so as to press the two shock-absorbing rings positioned on the tooling body onto the constant velocity drive shaft. Through the positioning tooling of the present utility model, the two shock-absorbing rings can be press-fitted at one time, and because the first positioning groove and the second positioning groove on the positioning tooling have a set interval, when press-fitting onto the constant velocity drive shaft, the accuracy of the distance between the two shock-absorbing rings can be ensured, without the need for multiple measurements and adjustments, which can greatly improve the press-fitting efficiency and press-fitting accuracy. Description of the Drawings

[0009] Figure 1 It shows a schematic structural view of the shock-absorbing ring provided by the present utility model.

[0010] Figure 2 It shows a schematic structural view of the positioning tooling for press-fitting double shock-absorbing rings provided by the present utility model.

[0011] Figure 3 It shows a schematic structural view of the positioning tooling for press-fitting double shock-absorbing rings provided by the present utility model.

[0012] Figure 4 It shows a schematic view of the positioning tooling for press-fitting double shock-absorbing rings provided by the present utility model when in use.

[0013] Description of the Reference Numerals

[0014] 10 Tooling body

[0015] 101 First positioning protrusion

[0016] 102 Second positioning protrusion

[0017] 103 Third positioning protrusion

[0018] 104 Fourth positioning protrusion

[0019] 11 First positioning groove

[0020] 12 Second positioning groove

[0021] 121 Arc-shaped groove

[0022] 105 Handle

[0023] 20 Shock-absorbing ring

[0024] 200 Flange

[0025] 201 First end face

[0026] 202 Second end face

[0027] 100 Slide block Specific implementation manners

[0028] The following illustrates the implementation manners of the present utility model through specific examples. Those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification. The present utility model can also be implemented or applied through different specific implementation manners. Various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present utility model.

[0029] In the description of the present utility model, it should be noted that unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or connected through an intermediate medium. It can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0030] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. in the present utility model is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation to the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0031] Please refer to Figures 1 to 4It should be noted that the illustrations provided in this embodiment only schematically illustrate the basic concept of the present utility model. Therefore, only the components related to the present utility model are shown in the drawings, rather than being drawn according to the number, shape, and size of the components in actual implementation. The type, quantity, and proportion of each component in actual implementation can be arbitrarily changed, and the component layout type may also be more complex.

[0032] The present utility model provides a positioning tooling for press-fitting of double shock-absorbing rings. As Figure 1 shown, a flange 200 is provided in the middle of the shock-absorbing ring 20. Along the length direction of the flange 200, that is, the axial direction of the shock-absorbing ring 20, the flange 200 has a first end face 201 and a second end face 202; as Figure 2 shown, the positioning tooling for press-fitting of double shock-absorbing rings includes a tooling body 10. A first positioning station and a second positioning station are provided on the tooling body 10. Among them, a first positioning protrusion 101 is provided at the first end of the first positioning station, and a second positioning protrusion 102 is provided at the second end of the first positioning station. The interval between the first positioning protrusion 101 and the second positioning protrusion 102 forms a first positioning groove 11, and the interval between the first positioning protrusion 101 and the second positioning protrusion 102 is adapted to the length of the flange 200, that is, the flange 200 can be clamped in the first positioning groove 11. A third positioning protrusion 103 is provided at the first end of the second positioning station, and a fourth positioning protrusion 104 is provided at the second end of the second positioning station. The interval between the third positioning protrusion 103 and the fourth positioning protrusion 104 forms a second positioning groove 12, and the interval between the third positioning protrusion 103 and the fourth positioning protrusion 104 is also adapted to the length of the flange 200, that is, the flange 200 can also be clamped in the second positioning groove 12. Specifically, a set interval is provided between the first positioning groove 11 and the second positioning groove 12.

[0033] When the positioning tooling for press-fitting of double shock-absorbing rings of the present utility model is in use, as Figure 4As shown in the figure, the tooling body 10 is fixedly arranged on the slider 100 of the press-fitting device. Then, the two shock-absorbing rings 20 to be press-fitted onto the constant velocity drive shaft are respectively placed in the first positioning groove 11 and the second positioning groove 12 on the tooling body 10. The first end face and the second end face of the flange of the shock-absorbing ring placed in the first positioning groove 11 are respectively in contact with the first positioning protrusion 101 and the second positioning protrusion 102, so as to clamp the shock-absorbing ring in the first positioning groove 11, thereby realizing the axial positioning of the shock-absorbing ring. The first end face and the second end face of the flange of the shock-absorbing ring placed in the second positioning groove 12 are respectively in contact with the third positioning protrusion 101 and the fourth positioning protrusion 102, so as to clamp the second shock-absorbing ring in the second positioning groove 12, realizing the axial positioning of the second shock-absorbing ring. Then, the press-fitting device drives the slider 100 to move, and the slider 100 drives the tooling body 10 to move together in the direction close to the constant velocity drive shaft, so as to press the two shock-absorbing rings positioned on the tooling body 10 onto the constant velocity drive shaft. Through the positioning tooling of the present utility model, the two shock-absorbing rings can be press-fitted at one time. And because there is a set interval between the first positioning groove 11 and the second positioning groove 12 on the positioning tooling, when press-fitting onto the constant velocity drive shaft, the accuracy of the distance between the two shock-absorbing rings can be ensured, without the need for multiple measurements and adjustments, which can greatly improve the press-fitting efficiency and press-fitting accuracy.

[0034] Furthermore, considering that in the actual use process, it may be necessary to press-fit two shock-absorbing rings with different structures according to different requirements, that is, there are protrusions on the circumferential surface of the flange of some shock-absorbing rings. In order to make the positioning tooling applicable to the shock-absorbing rings with this structure, as Figure 3 shown, in this embodiment, two arc-shaped grooves 121 are arranged at intervals on the bottom surface of the second positioning groove 12 (i.e., the surface in contact with the surface of the flange). When the shock-absorbing ring with protrusions on the circumferential surface of the flange is clamped with the second positioning groove 12, the protrusions on the circumferential surface of the flange are embedded in the arc-shaped grooves 121. Therefore, through this design, the applicability of the positioning tooling can be improved. Of course, in other alternative embodiments, two arc-shaped grooves may be arranged at intervals on the bottom surface of the first positioning groove 11, or two arc-shaped grooves may be arranged at intervals on the bottom surfaces of both the first positioning groove 11 and the second positioning groove 12.

[0035] Specifically, in this embodiment, the set interval between the first positioning groove 11 and the second positioning groove 12 is 31 mm.

[0036] Furthermore, in order to facilitate the handling of the positioning tooling, preferably, as Figure 2 shown, in this embodiment, handles 105 are respectively fixedly arranged on the left and right sides of the tooling body 10.

[0037] In summary, the positioning tooling for press-fitting double shock absorbers of the present utility model can achieve the one-time press-fitting of two shock absorbers, ensure the accuracy of the distance between the two shock absorbers, avoid multiple measurements, positioning and adjustments, is simple to operate, time-saving and labor-saving, and can thus greatly improve the press-fitting efficiency and accuracy of double shock absorbers. Therefore, the present utility model effectively overcomes various drawbacks in the prior art and has high industrial utilization value.

[0038] The above embodiments are only illustrative of the principles and effects of the present utility model, and are not intended to limit the present utility model. Any person familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the present utility model. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed by the present utility model should still be covered by the claims of the present utility model.

Claims

1. A positioning tooling for press-fitting of a double shock-absorbing ring, wherein, A flange is provided in the middle of the shock-absorbing ring. Along the length direction of the flange, the flange has a first end face and a second end face. It is characterized in that the positioning tooling includes: A tooling body, on which a first positioning station and a second positioning station are provided; wherein, a first positioning protrusion is provided at the first end of the first positioning station, a second positioning protrusion is provided at the second end of the first positioning station, and a first positioning groove is formed by the interval between the first positioning protrusion and the second positioning protrusion, and the interval between the first positioning protrusion and the second positioning protrusion is adapted to the length of the flange; a third positioning protrusion is provided at the first end of the second positioning station, a fourth positioning protrusion is provided at the second end of the second positioning station, and a second positioning groove is formed by the interval between the third positioning protrusion and the fourth positioning protrusion, and the interval between the third positioning protrusion and the fourth positioning protrusion is adapted to the length of the flange; a set interval is provided between the first positioning groove and the second positioning groove.

2. The positioning tooling for press-fitting of a double shock absorber ring according to claim 1, characterized in that, Two arc-shaped grooves are provided at intervals on the bottom surface of the first positioning groove and / or the second positioning groove.

3. The positioning tooling for press-fitting of a double shock absorber ring according to claim 1, characterized in that, The set interval between the first positioning groove and the second positioning groove is 31 mm.

4. A positioning tooling for press-fitting of a double shock absorber ring, characterized in that, Handles are respectively fixed on the left and right sides of the tooling body.

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