Bearing press fitting tool

Abstract

The utility model discloses a bearing press-fitting tool, relates to the technical field of bearing assembly, and solves the technical problem that the use of the press-fitting tool is limited because a pressing sleeve lacks a space for a lead screw to penetrate through. Comprising a vertical base, a press-fitting screw rod is vertically arranged in the vertical base, and the vertical base and the press-fitting screw rod are in threaded connection; the connecting cover is mounted at the lower end of the press-fitting screw rod; the connecting press-fitting mechanism comprises three guide rails circumferentially arranged on the lower surface of the connecting cover, a connecting rod piece mounted below the guide rails, a circular pressing plate mounted at the lower end of the connecting rod piece and used for press-fitting the bearing, and an adjusting piece for adjusting the position of the connecting rod piece; by means of the designed connecting press-fitting mechanism, the press-fitting device can make contact with the assembly bearing to enable the assembly bearing to move downwards for press-fitting, a space for the installation lead screw to penetrate through is reserved for installation of the bearing on the installation lead screw, meanwhile, the press-fitting device can be matched with the installation lead screws and the assembly bearings of different diameters, and the press-fitting range of the assembly bearing is enlarged.

Description

Technical Field

[0001] The utility model belongs to the technical field of bearing assembly, in particular to a bearing press-fitting tool. Background Art

[0002] Currently, the more common bearing assembly method is the knocking method, which uses a sleeve of the same size as the bearing to knock the bearing, hammering the bearing into the bearing hole or installing it in conjunction with the mounting shaft. In order to meet the assembly conditions during the assembly process, the staff needs a variety of tooling and fixtures.

[0003] For example, the press-fit bearing device with the announcement number CN104061246B includes: a frame, a driving mechanism and a pressing sleeve fixed on the driving mechanism, and the driving mechanism is fixed on the frame; the frame includes an upper plate and a bottom plate arranged in parallel, and a side plate perpendicular to the bottom plate is fixed between the upper plate and the bottom plate; a positioning ring is provided on the bottom plate at a position corresponding to the pressing sleeve; the driving mechanism includes a screw and a twisted rod fixed at the upper end of the screw, and the twisted rod is arranged perpendicular to the screw.

[0004] Regarding the bearing assembled on the screw rod, the pressing sleeve in the above patent lacks space for the screw rod to pass through, which limits the use of the pressing tool. Utility Model Content

[0005] The utility model aims to solve at least one of the technical problems existing in the prior art; to this end, the utility model proposes a bearing press-fitting tool.

[0006] A bearing press-fitting tool, comprising:

[0007] A stand, wherein a press-fit screw is vertically arranged inside the stand, and the two are threadedly connected;

[0008] A connecting cover installed at the lower end of the press-fit screw;

[0009] A connection pressing mechanism is installed on the lower surface of the connection cover and presses the assembled bearing. The connection pressing mechanism includes three guide rails circumferentially arranged on the lower surface of the connection cover, a connection rod installed below the guide rails, a circular pressure plate installed at the lower end of the connection rod to press the bearing, and an adjustment member for adjusting the position of the connection rod.

[0010] Preferably, the adjusting member comprises a guide sleeve slidably mounted on the guide rail, a plurality of adjusting holes are provided on the side surface of the guide rail along its length direction, and the guide sleeve is connected to the adjusting holes by connecting bolts.

[0011] Preferably, a stabilizing sleeve is provided on the lower surface of the guide sleeve for reinforcing the upper end of the connecting rod.

[0012] Preferably, the vertical cross-section of the guide rail is T-shaped, and the angles between two adjacent guide rails are the same.

[0013] Preferably, the connecting rod comprises an inner rod fixed inside a stabilizing sleeve, the lower end of the inner rod is screwed onto an outer tube, the lower end of the outer tube is connected to a circular pressure plate, and a movable groove is provided inside the outer tube for the inner rod to extend into.

[0014] Preferably, a cushion layer is provided on the lower surface of the circular pressing plate.

[0015] Preferably, a base is provided at the lower end of the stand, a bearing seat is provided below the base, and a mounting screw is provided inside the bearing seat.

[0016] Preferably, a mounting hole for assembling the bearing is reserved between the bearing seat and the mounting screw.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] (1) The utility model is designed with a connecting press-fitting mechanism, which can contact the assembly bearing and move it downward for press-fitting. It also leaves space for the installation screw to pass through when installing the bearing on the installation screw. At the same time, it can adapt to installation screws and assembly bearings of different diameters, thereby increasing the press-fitting range of the assembly bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural diagram of the bearing press-fitting tooling of the utility model;

[0020] Figure 2 This is a cross-sectional view of the bearing press-fitting tooling of the utility model;

[0021] Figure 3 For this utility model Figure 2 Schematic diagram of the structure of the middle connection press-fitting mechanism;

[0022] Figure 4 For this utility model Figure 3 Enlarged view of area A in the middle;

[0023] Figure 5 For this utility model Figure 3 Cross-sectional view of the connecting rod;

[0024] In the figure: 100, stand; 101, connecting cover; 102, press-fit screw; 103, base; 104, bearing seat; 105, mounting screw; 106, assembling bearing; 200, connecting press-fit mechanism; 201, guide rail; 202, connecting rod; 2021, outer tube; 2022, inner rod; 2023, cushion; 2024, movable groove; 203, circular pressure plate; 204, adjusting part; 2041, guide sleeve; 2042, adjusting hole; 2043, connecting bolt; 2044, stabilizing sleeve. DETAILED DESCRIPTION

[0025] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the embodiments. Obviously, the embodiments described are only a part of the embodiments of the present invention, not all of them. 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] Example 1

[0027] See also Figure 1 - Figure 4 , the present application provides a bearing press-fitting tool, comprising:

[0028] The stand 100 has a press-fit screw 102 vertically disposed inside the stand 100, and the two are threadedly connected. A hexagonal handle is disposed on the upper end of the press-fit screw 102 for convenient gripping and rotating the press-fit screw 102;

[0029] A connecting cover 101 is installed at the lower end of the press screw 102, and the height of the connecting cover 101 can move as the press screw 102 rotates;

[0030] The connecting pressing mechanism 200 is installed on the lower surface of the connecting cover 101 and presses the assembly bearing 106. The connecting pressing mechanism 200 can be used to contact the assembly bearing 106 and move it downward for press-fitting. A space is left for the installation of the bearing on the installation screw rod 105 for the installation screw rod 105 to pass through. It can also adapt to installation screw rods 105 and assembly bearings 106 of different diameters to increase the press-fitting range of the assembly bearing 106. The connecting pressing mechanism 200 includes three guide rails 201 circumferentially arranged on the lower surface of the connecting cover 101, a connecting rod 202 installed below the guide rails 201, a circular pressure plate 203 installed at the lower end of the connecting rod 202 to press the bearing, and an adjusting member 204 for adjusting the position of the connecting rod 202.

[0031] In this embodiment, the adjusting member 204 includes a guide sleeve 2041 that is slidably mounted on the guide rail 201. The two slide together and will not detach up and down. A plurality of adjustment holes 2042 are opened on the side of the guide rail 201 along its length direction. The guide sleeve 2041 and the adjustment holes 2042 are connected by connecting bolts 2043 to realize a detachable connection between the guide sleeve 2041 and the guide rail 201.

[0032] In this embodiment, a stabilizing sleeve 2044 is provided on the lower surface of the guide sleeve 2041 to reinforce the upper end of the connecting rod 202 and increase the installation strength of the connecting rod 202 .

[0033] In this embodiment, the vertical cross-section of the guide rail 201 is T-shaped, and a positioning line can be opened on the surface of the guide rail 201 to facilitate the positioning of the moving position of the connecting rod 202. The angles between two adjacent guide rails 201 are the same, so that the distances between the three connecting rods 202 are uniform, which facilitates that the angle will not deviate during movement.

[0034] In summary, the entire connection press mechanism 200 is installed on the lower surface of the connection cover 101. According to the diameter of the assembly bearing 106 and the installation screw 105, the distance between the multiple connection rods 202 is adjusted, and the connection bolt 2043 is removed. The guide sleeve 2041 is moved outward or inward along the guide rail 201 and accurately moved toward the positioning line. When the moving position is appropriate, the guide sleeve 2041 is fixed to the guide rail 201 using the connection bolt 2043. At this time, the three connection rods The space between 202 is sufficient for the upper end of the installation screw rod 105 to pass through, and the three circular pressure plates 203 at the lower end of the connecting rod 202 all contact the upper surface of the assembly bearing 106. Hold the upper end of the press-fit screw rod 102 and rotate it downward, driving the connecting rod 202 and the circular pressure plate 203 to move downward, and embed the assembly bearing 106 between the installation screw rod 105 and the bearing seat 104, increasing the convenience of press-fitting the assembly bearing 106. Compared with knocking installation, it reduces accidental injury and impact damage to the bearing.

[0035] Example 2

[0036] Reference Figure 5 , which is the second embodiment of the present utility model.

[0037] In this embodiment, the connecting rod 202 includes an inner rod 2022 fixed inside the stabilizing sleeve 2044, and the lower end of the inner rod 2022 is screwed into an outer tube 2021, and the length between the two can be adjusted by rotation. In order to adapt to the length of the installation screw 105 and facilitate the installation of the assembly bearing 106, the lower end of the outer tube 2021 is connected to the circular pressure plate 203, and the two can move synchronously. A movable groove 2024 is provided inside the outer tube 2021 for the inner rod 2022 to extend into, and a cushion layer 2023 is provided on the lower surface of the circular pressure plate 203. The cushion layer 2023 neither affects the force exerted by the circular pressure plate 203 on the assembly bearing 106, nor can it cause wear marks on the upper surface of the cushion layer 2023.

[0038] In summary, when in use, when it is necessary to change the overall length of the connecting rod 202, hold the outer tube 2021 and rotate it along the inner rod 2022 while moving downward. Due to the special shape of the circular pressure plate 203, the screwing of the outer tube 2021 will not affect the contact with the assembly bearing 106, which is convenient for pressing the assembly bearing 106. When the length between the two is appropriate, remove the external force. The longer the length of the two, the greater the distance between the circular pressure plate 203 and the connecting cover 101, which is sufficient for the installation screw 105 to pass through when the assembly bearing 106 is installed, thereby increasing the scope of application of the assembly bearing 106.

[0039] In this embodiment, a base 103 is provided at the lower end of the stand 100, and a side panel is provided on the side of the bearing seat 104. The side panel is screwed to the base 103 to support the base 103 and the stand 100. A bearing seat 104 is provided below the base 103, and an installation screw 105 is provided inside the bearing seat 104. An installation hole for assembling the bearing 106 is reserved between the bearing seat 104 and the installation screw 105.

[0040] Example 3

[0041] This embodiment is obtained by combining the first embodiment, the second embodiment and the third embodiment.

[0042] During use, the overall length of the connecting rod 202 is adjusted according to the length of the installation screw 105 to facilitate the installation of the screw 105 into the connecting rod 202, and the adjustment member 204 is used to change the distance between the connecting rods 202 to adapt the installation of the screw 105 and the assembly bearing 106.

[0043] The above embodiments are only used to illustrate the technical method of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical method of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical method of the present invention.

Claims

1. A bearing press-fitting tool, characterized in that: include: A stand (100), wherein a press-fit screw (102) is vertically arranged inside the stand (100), and the two are threadedly connected; A connecting cover (101) mounted on the lower end of the press-fit screw (102); A connection press-fitting mechanism (200) is installed on the lower surface of a connection cover (101) and press-fits an assembled bearing (106). The connection press-fitting mechanism (200) comprises three guide rails (201) circumferentially arranged on the lower surface of the connection cover (101), a connection rod (202) installed below the guide rails (201), a circular pressing plate (203) installed at the lower end of the connection rod (202) and press-fitting the bearing, and an adjusting member (204) for adjusting the position of the connection rod (202).

2. A bearing press-fitting tool according to claim 1, characterized in that: The adjusting member (204) comprises a guide sleeve (2041) slidably mounted on the guide rail (201); a plurality of adjusting holes (2042) are provided on the side of the guide rail (201) along its length direction; the guide sleeve (2041) and the adjusting holes (2042) are connected via connecting bolts (2043).

3. A bearing press-fitting tool according to claim 2, characterized in that: The lower surface of the guide sleeve (2041) is provided with a stabilizing sleeve (2044) for reinforcing the upper end of the connecting rod (202).

4. A bearing press-fitting tool according to claim 3, characterized in that: The vertical cross-section of the guide rail (201) is T-shaped, and the angles between two adjacent guide rails (201) are the same.

5. The bearing press-fitting tool according to claim 3, characterized in that: The connecting rod (202) includes an inner rod (2022) fixed inside a stabilizing sleeve (2044); the lower end of the inner rod (2022) is screwed onto an outer tube (2021); the lower end of the outer tube (2021) is connected to a circular pressing plate (203); and a movable groove (2024) is provided inside the outer tube (2021) for the inner rod (2022) to extend into.

6. The bearing press-fitting tool according to claim 5, characterized in that: A cushion layer (2023) is provided on the lower surface of the circular pressing plate (203).

7. The bearing press-fitting tool according to claim 1, characterized in that: A base (103) is provided at the lower end of the stand (100), a bearing seat (104) is provided below the base (103), and a mounting screw rod (105) is provided inside the bearing seat (104).

8. The bearing press-fitting tool according to claim 7, characterized in that: A mounting hole for assembling the bearing (106) is reserved between the bearing seat (104) and the mounting screw rod (105).

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