Vertical machining and drilling device for speed reducer shell

Abstract

The utility model discloses a vertical machining and drilling device for a speed reducer shell, which comprises a base assembly, two radial positioning assemblies, a circumferential positioning assembly, a side jacking assembly, a cushion block assembly and a pressing device, and is characterized in that the two radial positioning assemblies, the circumferential positioning assembly, the side jacking assembly, the cushion block assembly and the pressing device are arranged on the base assembly; the position angle of the two radial positioning assemblies is 90 degrees, and the radial center of the outer circle of the large end face of the speed reducer shell is positioned. The peripheral positioning assembly enables a boss of the speed reducer shell to abut against the peripheral positioning assembly, and the peripheral position of the speed reducer shell is positioned. The side abutting assembly abuts against the speed reducer shell through an abutting screw. The pressing device is used for pressing the speed reducer shell through a pressing plate; the tool is suitable for machining the large end face hole of the speed reducer shell, guarantees the stability of the position of the large end face hole of the speed reducer shell and the relative position of the boss, guarantees the location degree of the large end face hole of the speed reducer shell, is stable in machining quality, simple in structure and high in production efficiency, and reduces the labor intensity of workers and production cost.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile manufacturing, in particular to a reducer housing vertical processing drilling device, which is suitable for processing large end holes of axle reducer housings and threaded holes of differential bearing covers on a vertical processing center. Background Art

[0002] With the promotion of lightweight axles, reducer housings with large end holes and boss structures have been widely used. However, for traditional reducer housing vertical processing drilling devices, when processing reducer housings with large end holes and boss structures, the positions of the holes and bosses are easily offset, resulting in smaller contact area of ​​the assembly bolt heads when the reducer housing is assembled on the bridge housing, leakage of the bolt heads, and loose tightening of the bolts. It is very easy for oil to leak from the joint surface of the reducer housing and the bridge housing, affecting product quality. Utility Model Content

[0003] The utility model aims to overcome the shortcomings of the above-mentioned prior art and provide a reducer housing vertical processing drilling device; it mainly solves the problem of large surface and boss offset of the reducer housing processed by the prior art.

[0004] The technical solution provided by the utility model is: a reducer housing vertical processing drilling device, which is special in that it is composed of a base assembly, two radial positioning assemblies, a circumferential positioning assembly, a side tightening assembly, a cushion block assembly, and a clamping device; the base assembly is provided with two radial positioning assemblies, a circumferential positioning assembly, a side tightening assembly, a cushion block assembly, and a clamping device; the position angle of the two radial positioning assemblies is 90°;

[0005] The two radial positioning assemblies have the same structure, and are both composed of a first bottom plate, a first vertical plate, two third reinforcing ribs, and a positioning plate; the first bottom plate is fixedly connected to the first vertical plate; one end of the two third reinforcing ribs is fixedly connected to the first bottom plate, and the other end is fixedly connected to the first vertical plate; the positioning plate is fixed to the first vertical plate;

[0006] The circumferential positioning assembly is composed of a second bottom plate, a second vertical plate, a third reinforcing rib plate, and a circumferential positioning plate; the second bottom plate is fixedly connected to the second vertical plate, one end of the third reinforcing rib plate is fixedly connected to the second bottom plate, and the other end is fixedly connected to the second vertical plate, and the circumferential positioning plate is fixed to the second vertical plate;

[0007] The side tightening assembly is composed of a third bottom plate, a third vertical plate, a threaded sleeve, and a tightening screw; the third bottom plate is fixedly connected to the third vertical plate, a pin hole is provided on the third vertical plate, the threaded sleeve and the pin hole are interference fit, the inner hole of the threaded sleeve is provided with a thread, and the tightening screw and the threaded sleeve are threadedly matched;

[0008] The cushion block assembly is composed of a first cushion plate, a second cushion plate, a third cushion plate, and a fourth cushion plate; the four cushion plates have the same thickness and are all fixed on the base assembly;

[0009] The clamping device is composed of a pull rod, a nut and a pressure plate; a pressure plate is arranged on the pull rod, and a nut is arranged on the pressure plate for clamping.

[0010] Furthermore, the base assembly is composed of a lower base plate, an upper base plate, a first reinforcing rib plate, and a second reinforcing rib plate which are fixedly connected; one end of the first reinforcing rib plate and the second reinforcing rib plate is fixedly connected to the lower base plate (7), and one end is fixedly connected to the upper base plate.

[0011] Furthermore, two through holes are provided on the first vertical plate, two threaded holes are provided on the positioning plate, and the positioning plate is fixed to the first vertical plate by two first screws.

[0012] Furthermore, the second vertical plate is provided with two threaded holes, and the circumferential positioning plate is fixed to the second vertical plate by two fourth screws.

[0013] Furthermore, the first pad, the second pad, the third pad, and the fourth pad are all fixed to the base assembly by two sixth screws.

[0014] The beneficial effects of the utility model are as follows: 1. It is used for processing a reducer housing with a boss on the large end face. The large end face hole and the threaded hole of the differential bearing cover are clamped and processed in one step, ensuring that the relative position of the large end face hole of the reducer housing and the boss is stable. After processing, the large end face hole is in the middle of the boss and does not shift, and the processing quality is stable; 2. The tooling structure is simple, the production efficiency is high, and the labor intensity of workers and production costs are reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 yes Figure 1 Top view of the .

[0017] In the figure: 1 base assembly, 2 radial positioning assembly, 3 circumferential positioning assembly, 4 side tightening assembly, 5 cushion block assembly, 6 clamping device, 7 lower base plate, 8 upper base plate, 9 first reinforcing rib plate, 10 second reinforcing rib plate, 11 first base plate, 12 first vertical plate, 13 third reinforcing rib plate, 14 positioning plate, 15 first screw, 16 second screw, 17 circumferential positioning plate, 18 second vertical plate, 19 second base plate, 20 third screw, 21 fourth screw, 22 third base plate, 23 fifth screw, 24 third vertical plate, 25 tightening screw, 26 threaded sleeve, 27 first pad, 28 second pad, 29 third pad, 30 fourth pad, 31 pull rod, 32 nut, 33 pressure plate, 34 sixth screw, 35 third reinforcing rib plate. DETAILED DESCRIPTION

[0018] For better understanding and implementation, a vertical processing and drilling device for a reducer housing of the utility model is described in detail below with reference to the accompanying drawings.

[0019] like Figure 1 , 2 As shown, a vertical processing and drilling device for a reducer housing is composed of a base assembly 1, two radial positioning assemblies 2, a circumferential positioning assembly 3, a side tightening assembly 4, a cushion block assembly 5, and a clamping device 6;

[0020] The base assembly 1 is composed of a lower base plate 7, an upper base plate 8, a first reinforcing rib plate 9, and a second reinforcing rib plate 10. One end of the first reinforcing rib plate 9 and the second reinforcing rib plate 10 is fixedly connected to the lower base plate 7, and the other end is fixedly connected to the upper base plate 8.

[0021] Two radial positioning assemblies 2 are installed on the base assembly 1, and the two radial positioning assemblies are composed of a first bottom plate 11, a first vertical plate 12, two third reinforcing ribs 13, and a positioning plate 14; the first bottom plate 11 is fixedly connected to the first vertical plate 12, and one end of the two third reinforcing ribs 13 is fixedly connected to the first bottom plate 11, and the other end is fixedly connected to the first vertical plate 12; two through holes are provided on the first vertical plate 12, and two threaded holes are provided on the positioning plate 14, and the positioning plate 14 is fixed to the first vertical plate 12 by two first screws 15; the two radial positioning assemblies 2 are fixed to the base assembly 1 at 90 degrees by four second screws 16 respectively; the outer circle of the large end of the reducer housing is close to the two radial positioning assemblies 2, and the radial center of the outer circle of the large end surface of the reducer housing is located;

[0022] The circumferential positioning assembly 3 is composed of a second bottom plate 19, a second vertical plate 18, a third reinforcing rib plate 35, and a circumferential positioning plate 17. The second bottom plate 19 is fixedly connected to the second vertical plate 18. One end of the third reinforcing rib plate 35 is fixedly connected to the second bottom plate 19, and the other end is fixedly connected to the second vertical plate 18. Two threaded holes are provided on the second vertical plate 18, and the circumferential positioning plate 17 is fixed to the second vertical plate 18 by two fourth screws 21. The circumferential positioning assembly 3 is fixed to the base assembly 1 by four third screws 20. The reducer housing boss is pressed against the plane of the circumferential positioning plate 17 provided on the circumferential positioning assembly 3 to locate the circumferential position of the reducer housing.

[0023] The side tightening assembly 4 is composed of a third bottom plate 22, a third vertical plate 24, a threaded sleeve 26, and a tightening screw 25; the third bottom plate 22 is fixedly connected to the third vertical plate 24, a pin hole is opened on the third vertical plate 24, the threaded sleeve 26 is interference-fitted with the pin hole, the inner hole of the threaded sleeve 26 is threaded, and the tightening screw 25 is threadedly matched with the threaded sleeve 26; the side tightening assembly 4 is fixed to the base assembly 1 by the fifth screw 23; the side tightening assembly 4 is tightened to the reducer housing by the tightening screw 25;

[0024] The pad assembly 5 is composed of a first pad 27, a second pad 28, a third pad 29, and a fourth pad 30; the four pads have the same thickness and are all fixed to the base assembly 1 by two sixth screws 34;

[0025] The clamping device 6 is composed of a tie rod 31, a nut 32, and a pressure plate 33; the pressure plate 33 is installed on the tie rod 31, and the nut 32 is installed on the pressure plate 33 for clamping; a threaded hole is opened on the base assembly 1, which is threadedly matched with the tie rod 31; the clamping device 6 clamps the reducer housing through the pressure plate 33.

[0026] The utility model discloses a vertical processing drilling device for a reducer housing. After the installation of each device is completed, the specific operation is as follows: the reducer housing without drilling holes is hoisted onto the device, the pull rod 31 is inserted into the guide bearing hole of the reducer housing, the cushion block assembly 5 supports the upper plane of the reducer housing, the reducer housing is pushed, the outer circle of the large end of the reducer housing is pressed against the side planes of the positioning plates 14 provided on the two radial positioning assemblies 2, the reducer housing is rotated circumferentially, and the side of the boss of the large end hole of the reducer housing is pressed against the side planes of the circumferential positioning plates 17 provided on the circumferential positioning assembly 3, so that the reducer housing is fixed circumferentially. After the above operation is completed, turn the tightening screw 25 clockwise to tighten the tightening screw 25 on the side plane of the reducer housing, press the pressure plate 33 on the lower plane of the guide bearing of the reducer housing, and tighten the nut 32, so that the reducer housing is fixed; after the above operation is completed, start the equipment, and the tool can complete the processing of the large end surface of the reducer housing and the threaded holes of the differential bearing seat; after the processing is completed, loosen the nut 32, remove the pressure plate 33, loosen the tightening screw 25, and lift the reducer housing, so that the drilling processing of the reducer housing is completed; then install the next workpiece and repeat the above cycle.

[0027] It should be understood that the technical features not elaborated in this specification belong to the prior art. Although the implementation methods of the utility model patent are described above in conjunction with the drawings, the utility model is not limited to the above specific implementation methods, which are only illustrative and not restrictive. Ordinary technicians in this field can make more forms under the enlightenment of the utility model without departing from the scope of protection of the purpose of the utility model and the claims, which are all within the protection scope of the utility model.

Claims

1. A vertical processing drilling device for a reducer housing, characterized in that: The invention comprises a base assembly (1), two radial positioning assemblies (2), a circumferential positioning assembly (3), a side tightening assembly (4), a cushion block assembly (5), and a clamping device (6); the base assembly (1) is provided with two radial positioning assemblies (2), a circumferential positioning assembly (3), a side tightening assembly (4), a cushion block assembly (5), and a clamping device (6); the position angle of the two radial positioning assemblies (2) is 90°; The two radial positioning assemblies (2) have the same structure, and are both composed of a first bottom plate (11), a first vertical plate (12), two third reinforcing ribs (13), and a positioning plate (14); the first bottom plate (11) is fixedly connected to the first vertical plate (12); one end of the two third reinforcing ribs (13) is fixedly connected to the first bottom plate (11), and the other end is fixedly connected to the first vertical plate (12); the positioning plate (14) is fixed to the first vertical plate (12); The circumferential positioning assembly (3) is composed of a second bottom plate (19), a second vertical plate (18), a third reinforcing rib plate (35), and a circumferential positioning plate (17); the second bottom plate (19) is fixedly connected to the second vertical plate (18); one end of the third reinforcing rib plate (35) is fixedly connected to the second bottom plate (19) and the other end is fixedly connected to the second vertical plate (18); and the circumferential positioning plate (17) is fixed to the second vertical plate (18); The side tightening assembly (4) is composed of a third bottom plate (22), a third vertical plate (24), a threaded sleeve (26), and a tightening screw (25); the third bottom plate (22) is fixedly connected to the third vertical plate (24); a pin hole is provided on the third vertical plate (24); the threaded sleeve (26) is interference fit with the pin hole; the inner hole of the threaded sleeve (26) is provided with a thread; and the tightening screw (25) is threadedly fit with the threaded sleeve (26); The cushion block assembly (5) is composed of a first cushion plate (27), a second cushion plate (28), a third cushion plate (29), and a fourth cushion plate (30); the four cushion plates have the same thickness and are all fixed on the base assembly (1); The clamping device (6) is composed of a pull rod (31), a nut (32), and a pressure plate (33); the pull rod (31) is provided with a pressure plate (33), and the pressure plate (33) is provided with a nut (32) for clamping.

2. A reducer housing vertical processing drilling device according to claim 1, characterized in that: The base assembly (1) is composed of a lower base plate (7), an upper base plate (8), a first reinforcing rib plate (9), and a second reinforcing rib plate (10) which are fixedly connected; one end of the first reinforcing rib plate (9) and the second reinforcing rib plate (10) is fixedly connected to the lower base plate (7), and the other end is fixedly connected to the upper base plate (8).

3. A reducer housing vertical processing drilling device according to claim 1, characterized in that: The first vertical plate (12) is provided with two through holes, the positioning plate (14) is provided with two threaded holes, and the positioning plate (14) is fixed to the first vertical plate (12) by two first screws (15).

4. A reducer housing vertical processing drilling device according to claim 1, characterized in that: The second vertical plate (18) is provided with two threaded holes, and the circumferential positioning plate (17) is fixed to the second vertical plate (18) by means of two fourth screws (21).

5. A reducer housing vertical processing drilling device according to claim 1, characterized in that: The first pad (27), the second pad (28), the third pad (29), and the fourth pad (30) are all fixed to the base assembly (1) by means of two sixth screws (34).

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