Tool for machining key groove of speed reducer

Abstract

The utility model belongs to the technical field of speed reducers, and particularly relates to a speed reducer key groove machining tool which comprises a tool bottom plate installed on four shafts and a pair of clamping devices. The two clamping devices are installed at the two ends of the tool bottom plate correspondingly. The speed reducer is mounted on the tool bottom plate; the first inner hexagonal flower-shaped cylindrical head screw is used for fixing the clamping device on the tool bottom plate; the second inner hexagonal flower-shaped cylindrical head screw is used for fixing the speed reducer on the tool bottom plate; and the positioning block is mounted on the tool bottom plate, so that the precision is high. According to a normal machining mode, the error of the two output shafts is 15 arcmin or above, and by means of the tool, the error of the two output shafts can be controlled within 10 arcmin; assembling is simple, and gear key grooves are not needed; and the consistency is good.

Description

Technical Field

[0001] This utility model belongs to the field of speed reducer technology, specifically relating to a tooling for machining keyways in speed reducers. Background Technology

[0002] The fixture for machining the keyway of a speed reducer is designed for a specific AGV (Automated Guided Vehicle) speed reducer. Two speed reducers are used simultaneously with identical inputs, requiring synchronized outputs and an accuracy within 10 arcmin. Therefore, we need to design a fixture for machining the keyway and slot on the output shaft of the speed reducer. Utility Model Content

[0003] To address the problems mentioned in the background section, this utility model provides a tooling for machining keyways in a speed reducer, including a tooling base plate mounted on four shafts and a pair of clamping devices;

[0004] Clamping devices, two of which are respectively installed at both ends of the tooling base plate;

[0005] The speed reducer is mounted on the tooling base plate;

[0006] The first internal hexagonal socket head cap screw is used to fix the clamping device to the tooling base plate.

[0007] The second internal hexagonal socket head cap screw is used to fix the reducer to the tooling base plate.

[0008] A positioning block, which is mounted on the tooling base plate;

[0009] The third internal hexagonal socket head cap screw is used to fix the positioning block to the tooling base plate.

[0010] As a tooling for machining keyways in a speed reducer according to this utility model, preferably, both clamping devices are provided with keyways.

[0011] As a tooling for machining the keyway of a speed reducer according to this utility model, preferably, both ends of the tooling base plate are provided with slots.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. High precision. Under normal machining methods, the error between the two output shafts is more than 15 arcmin. Using this fixture, the error between the two output shafts can be controlled within 10 arcmin.

[0014] 2. Simple assembly, no need for gear keyway;

[0015] 3. Good consistency. Attached Figure Description

[0016] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0017] Figure 1 This is a top view of the structure of this utility model;

[0018] Figure 2 This is a front view structural diagram of the present utility model;

[0019] Figure 3 This is a schematic diagram of the upward-facing structure of this utility model;

[0020] Figure 4 This is an enlarged structural diagram of point A in this utility model;

[0021] Figure 5 This is an enlarged structural diagram of point B in this utility model;

[0022] In the picture:

[0023] 1. Tooling base plate;

[0024] 2. Clamping device;

[0025] 3. Gear reducer;

[0026] 4. Third socket head cap screw; 5. First socket head cap screw; 6. Second socket head cap screw; 7. Locating block; 8. Keyway; 9. Slot. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example

[0028] like Figure 1 As shown;

[0029] A tooling for machining the keyway of a speed reducer includes a tooling base plate 1 mounted on four shafts.

[0030] In this implementation plan: To address the technical problems existing in the prior art, such as the "keyway machining fixture for a reducer disclosed in the background art above, which is used to machine the keyway of a reducer specifically for an AGV vehicle. Two reducers are used simultaneously with identical inputs, requiring synchronized outputs and ensuring an accuracy within 10 arcmin," this problem is clearly a real and difficult-to-solve issue in practical use. Therefore, to solve this technical problem, a keyway machining fixture for a reducer is provided on this basis.

[0031] like Figure 1-5 As shown in the figure;

[0032] In conjunction with the above, it also includes a pair of clamping devices 2;

[0033] Clamping device 2, two clamping devices 2 are respectively installed at both ends of the tooling base plate 1;

[0034] The speed reducer 3 is mounted on the tooling base plate 1;

[0035] The first internal hexagonal socket head cap screw 5 is used to fix the clamping device 2 on the tooling base plate 1.

[0036] The second internal hexagonal socket head cap screw 6 is used to fix the reducer 3 onto the tooling base plate 1.

[0037] Positioning block 7, which is mounted on tooling base plate 1;

[0038] The third internal hexagonal socket head cap screw 4 is used to fix the positioning block 7 onto the tooling base plate 1.

[0039] In an optional embodiment, both clamping devices 2 are provided with keyways 8.

[0040] In an optional embodiment, both ends of the tooling base plate 1 are provided with slots 9.

[0041] Working principle of this utility model:

[0042] Gearbox keyway machining fixture clamping process: Place the fixture base plate HM on the four shafts, insert the locating pins, tighten the 4 screws → install the clamping device → place the gearbox HM-B, fix the left and right output shafts → install the locating block.

[0043] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A speed reducer key groove processing tool, characterized by, It comprises a tool base plate (1) installed on a four-axis, and a pair of clamping devices (2); The clamping devices (2) are respectively installed on both ends of the tool base plate (1); A speed reducer (3) is installed on the tool base plate (1); A first inner hexagonal flower-shaped cylindrical head screw (5) is used to fix the clamping device (2) on the tool base plate (1); A second inner hexagonal flower-shaped cylindrical head screw (6) is used to fix the speed reducer (3) on the tool base plate (1); A positioning block (7) is installed on the tool base plate (1); A third inner hexagonal flower-shaped cylindrical head screw (4) is used to fix the positioning block (7) on the tool base plate (1).

2. The machining tool for machining the key groove of the speed reducer according to claim 1, characterized in that: Keyways (8) are arranged on both the clamping devices (2).

3. The machining tool for machining the key groove of the speed reducer according to claim 1, characterized in that: Card slots (9) are arranged on both ends of the tool base plate (1).

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