Shaft cap oil seal press-fitting device

Abstract

The utility model discloses a shaft cap oil seal press-fitting device which comprises a supporting seat, and a first positioning spigot is formed in the bottom of the supporting seat. The protection part and the pressing part are vertically arranged at the top of the supporting seat, one end of the pressing part is located in the protection part and sleeved with an elastic part, the other end of the pressing part extends outwards to be provided with a positioning part, and a second positioning spigot is formed in the bottom of the pressing part. During press-fitting operation, the device is integrally positioned on a base of a press, the oil seal is placed on the upper end face of the lower pressing head, the outer circle of the oil seal and an inner hole of the positioning seat are positioned in a matched mode, then the shaft cover is placed on the positioning seat for press-fitting operation, press-fitting operation of the oil seal can be achieved through the press-fitting tool, and operation intensity is reduced. And meanwhile, in the press-fitting process, the positioning precision is high, and the press-fitting assembly quality of the oil seal is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of oil seal press-fitting, and in particular relates to a shaft cover oil seal press-fitting device. Background Art

[0002] At present, the industry generally uses presses to press-fit oil seals, and the press-fitting process technology is mature. However, when the AMT electro-hydraulic transmission of our factory is assembled in the workshop, the oil seal of the shaft cover cannot be pressed on the press using the existing tooling, and the on-site press-fitting operation can only be performed using a smashing tooling. The operation is intensive and inefficient, and there are quality risks. In addition, no applicable press-fitting tooling has been found in the existing public technology. Therefore, there is an urgent need for a press-fitting tooling to press-fit the oil seal, thereby reducing the labor intensity and ensuring the assembly quality. Utility Model Content

[0003] The purpose of the utility model is to solve the problems in the prior art and provide a shaft cover oil seal press-fit device. In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0004] A shaft cover oil seal press-fitting device, comprising:

[0005] The support seat has a first positioning stop at the bottom;

[0006] The protective member and the pressing member are both vertically arranged on the top of the support seat, and one end of the pressing member is located in the protective member and is sleeved with an elastic member, and the other end extends outwardly and is provided with a positioning member, and a second positioning stop is provided at the bottom of the pressing member.

[0007] Further, the pressing member includes a horizontal end and a vertical end, the horizontal end and the vertical end are an integral structure, the horizontal end is located in the protective member, and is gap-matched with the protective member, and the top of the protective member is in contact with the bottom end of the positioning member;

[0008] One end of the elastic member is connected to the support seat, and the other end is connected to the bottom end of the positioning member.

[0009] Furthermore, the pressing member is a pressing head.

[0010] Furthermore, the protective member is a dust cover.

[0011] Furthermore, the positioning member is a positioning seat.

[0012] Furthermore, the elastic member is a spring.

[0013] Furthermore, the bottom end of the protective member is fixedly connected to the top of the support seat by short bolts.

[0014] Furthermore, the number of the short bolts is four.

[0015] Furthermore, the vertical end of the pressing member is fixedly connected to the top of the support seat by a long bolt.

[0016] Furthermore, the number of the long bolts is two.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] A protective cover and a lower pressure head are installed on the top of the support seat, and springs and locating seats are installed at both ends of the lower pressure head respectively. During the press-fitting operation, the device is positioned as a whole on the base of the press, and the oil seal is placed on the upper end face of the lower pressure head. The outer circle of the oil seal is positioned in coordination with the inner hole of the locating seat, and then the shaft cover is placed on the locating seat for press-fitting. The press-fitting tooling can realize the press-fitting operation of the oil seal and reduce the operating intensity. At the same time, during the press-fitting process, the positioning accuracy is high, ensuring the press-fitting assembly quality of the oil seal. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a schematic overall cross-sectional view of a shaft cover oil seal press-fitting device provided by the utility model;

[0021] Figure 2 A schematic cross-sectional view of the overall operation of a shaft cover oil seal press-fitting device provided by the utility model;

[0022] In the figure: 1. Positioning seat; 2. Dust cover; 3. Lower pressure head; 4. Support seat; 5. Spring; 6. Long bolt; 7. Short bolt; 8. Upper pressure head; 9. Axis cover; 10. Oil seal; 11. Press base. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0026] In the description of the embodiments of the present utility model, it should be noted that if the terms "upper", "lower", "horizontal", "inner", etc. indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the invented product is usually placed when in use, it is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0027] In addition, if the term "horizontal" appears, it does not mean that the component must be absolutely horizontal, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", which does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0028] In the description of the embodiments of the present utility model, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0029] The utility model is further described in detail below with reference to the accompanying drawings:

[0030] like Figure 1As shown, this embodiment discloses a shaft cover oil seal press-fitting device, including: a support seat 4, a first positioning stop is provided at the bottom of the support seat 4, the first positioning stop is used to connect the support seat 4 and the press base 11; a protective member and a pressing member, both of which are vertically arranged on the top of the support seat 4, and one end of the pressing member is located in the protective member and is sleeved with an elastic member, and the other end extends outwardly and is provided with a positioning member, the protective member is used to prevent impurities from accumulating at the bottom of the pressing member, and a second positioning stop is provided at the bottom of the pressing member, the second positioning stop is used to accurately position the pressing member and the support seat 4, to ensure that the pressing device is coaxial with the upper pressure head 8 of the press when it is assembled on the press. Figure 2 As shown, when performing the press-fitting operation, first position the press-fitting device on the press base 11, take the oil seal 10 and place it on the lower pressing piece at one end of the positioning piece, and the outer circle of the oil seal 10 matches with the inner hole of the positioning piece, then place a shaft cover 9 on the positioning piece, the inner circle of the shaft cover 9 matches with the outer circle of the protruding stop of the positioning piece for positioning, start the press, and the press drives the upper pressure head 8 to press the shaft cover 9. The shaft cover 9 and the positioning piece simultaneously overcome the elastic force of the elastic piece and move downward relative to the lower pressing piece. After the oil seal 10 is fully pressed into the matching hole of the shaft cover 9 through displacement monitoring, the pressing is stopped, the upper pressure head 8 is retracted, and the positioning piece rises and resets due to the elastic force of the elastic piece, the shaft cover 9 is removed, and the press-fitting process of the oil seal 10 is completed.

[0031] In this embodiment, the pressing member includes a horizontal end and a vertical end, the horizontal end and the vertical end are an integrated structure, the horizontal end is located inside the protective member, and is in clearance with the protective member, and the top of the protective member is in contact with the bottom end of the positioning member; one end of the elastic member is connected to the support seat 4, and the other end is connected to the bottom end of the positioning member. Specifically, as Figure 1 As shown, the pressing member is a pressing head 3, the protective member is a dust cover 2, the positioning member is a positioning seat 1, the elastic member is a spring 5, the vertical end of the pressing head 3 is fixedly connected to the top of the support seat 4 by two long bolts 6, the spring 5 is sleeved on the outer side of the vertical end of the pressing head 3, so that the bottom end of the positioning seat 1 contacts the top end of the spring 5, and the bottom end of the dust cover 2 is fixedly connected to the top of the support seat 4 by four short bolts 7.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A shaft cover oil seal press-fitting device, characterized in that: include: The support seat (4) has a first positioning stopper at the bottom; The protective member and the pressing member are both vertically arranged on the top of the support seat (4), and one end of the pressing member is located in the protective member and is sleeved with an elastic member, and the other end extends outwardly and is provided with a positioning member, and the bottom of the pressing member is provided with a second positioning stop.

2. The shaft cover oil seal press-fitting device according to claim 1, characterized in that: The pressing member includes a horizontal end and a vertical end, the horizontal end and the vertical end are an integral structure, the horizontal end is located in the protective member, and is gap-matched with the protective member, and the top of the protective member is in contact with the bottom end of the positioning member; One end of the elastic member is connected to the support seat (4), and the other end is connected to the bottom end of the positioning member.

3. A shaft cover oil seal press-fitting device according to claim 1 or 2, characterized in that: The pressing member is a pressing head (3).

4. A shaft cover oil seal press-fitting device according to claim 1 or 2, characterized in that: The protective part is a dust cover (2).

5. A shaft cover oil seal press-fitting device according to claim 1 or 2, characterized in that: The positioning member is a positioning seat (1).

6. A shaft cover oil seal press-fitting device according to claim 1 or 2, characterized in that: The elastic member is a spring (5).

7. A shaft cover oil seal press-fitting device according to claim 2, characterized in that: The bottom end of the protective member is fixedly connected to the top of the support seat (4) via a short bolt (7).

8. A shaft cover oil seal press-fitting device according to claim 7, characterized in that: The number of the short bolts (7) is four.

9. A shaft cover oil seal press-fitting device according to claim 2, characterized in that: The vertical end of the pressing member is fixedly connected to the top of the support seat (4) via a long bolt (6).

10. A shaft cover oil seal press-fitting device according to claim 9, characterized in that: The number of the long bolts (6) is two.

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