CN212552842U

CN212552842U - Medium bridge final drive shell processing frock

Info

Publication number: CN212552842U
Application number: CN202021437230.1U
Authority: CN
Inventors: 袁君晓; 仲德先; 李书龙
Original assignee: Qingdao Xiefeng Precision Machinery Co ltd
Current assignee: Qingdao Xiefeng Precision Machinery Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-02-19
Anticipated expiration: 2030-07-20

Abstract

The utility model belongs to the technical field of auto-parts processing, especially, relate to a well axle final drive shell processing frock. The workpiece is clamped and loosened through lifting of the hydraulic oil cylinder on the tool, the positioning accuracy of the workpiece is realized through the floating positioning disc, and the positioning consistency of the workpiece is guaranteed. The oil pipe line is arranged in the upper base plate, the upper base plate is divided into a left side part and a right side part, and a first floating positioning disc and a second floating positioning disc are arranged in an area formed by at least three pressing mechanisms on the left side part and the right side part; the first floating positioning plate comprises a first floating base fixed on the upper base plate, and a first floating upper cover capable of moving up and down is arranged in the first floating base; the second floating positioning plate comprises a second floating base fixed on the upper base plate, and a second floating upper cover capable of moving up and down is arranged in the second floating base.

Description

Medium bridge final drive shell processing frock

Technical Field

The utility model belongs to the technical field of auto-parts processing, especially, relate to a well axle final drive shell processing frock.

Background

The main speed reducer of middle axle and rear axle is fixed on the middle axle and rear axle of automobile, and is positioned in the middle position of chassis of automobile, and its function is to distribute the power transferred from engine to middle axle and rear axle, and implement differential action between middle axle and rear axle. In the prior art, a common machining process of a middle axle main speed reducer shell adopts a lathe to machine a positioning surface, and a plurality of machining centers are machined in a sub-process manner. Corresponding tools are required to be manufactured to clamp the workpiece in each step, and manual clamping is mostly adopted to save tool cost. But has the following drawbacks and disadvantages: 1. the machining process is divided into too many and too thin parts, so that repeated positioning precision deviation exists, and the guarantee of machining size precision is influenced. 2. The tool is manually clamped, so that the clamping time is long, and the processing efficiency is influenced; and secondly, the clamping force moments of each clamping are inconsistent, so that the stress deformation of the clamping position of the workpiece is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a tight intermediate axle final drive shell processing frock of oil pressure control clamp is provided, hydraulic cylinder through the frock goes up and down to realize that the work piece presss from both sides tightly and loosens the action, realizes the work piece accurate positioning through the positioning disk that floats, guarantees the uniformity of work piece location, can firmly be reliable through violently, vertical supporting mechanism realize the tight support of location clamp to two directions of work piece, the subsequent machining of being convenient for.

In order to solve the technical problem, the utility model discloses the technical scheme who takes is: a middle axle main speed reducer shell machining tool comprises an upper base plate and a lower base plate which are connected up and down, wherein an oil pipeline is arranged in the upper base plate, the upper base plate is divided into a left side part and a right side part, at least three pressing mechanisms are respectively arranged on the left side part and the right side part, each pressing mechanism comprises a first hydraulic oil cylinder fixed on the upper base plate, the first hydraulic oil cylinders are connected with the oil pipeline, pressing plates are hinged on the first hydraulic oil cylinders, positioning blocks matched with the pressing plates are arranged on the upper base plate, and the positioning blocks are fixed on the upper base plate; a first floating positioning disc and a second floating positioning disc are arranged in an area formed by the at least three pressing mechanisms on the left side part and the right side part; the first floating positioning plate comprises a first floating base fixed on the upper base plate, and a first floating upper cover capable of moving up and down is arranged in the first floating base; the second floating positioning plate comprises a second floating base fixed on the upper base plate, and a second floating upper cover capable of moving up and down is arranged in the second floating base.

Foretell medium axle final drive shell processing frock, be equipped with first base chamber in the first unsteady base, and first base chamber opening upwards, be equipped with first upper cover chamber in the first unsteady upper cover, and first upper cover chamber opening is downward, be equipped with first spring between first upper cover chamber and the first base chamber.

Foretell medium bridge final drive shell processing frock, be equipped with first screw hole on the first unsteady base, it is equipped with first rectangular hole to cover corresponding first screw hole on the first unsteady, be equipped with the fixed screw between first screw hole and the first rectangular hole.

The middle axle main speed reducer shell processing tool is characterized in that a second base cavity is formed in the second floating base, the opening of the second base cavity is upward, a second upper cover cavity is formed in the second floating upper cover, the opening of the second upper cover cavity is downward, and a second spring is arranged between the second upper cover cavity and the second base cavity.

Foretell medium bridge final drive shell processing frock, be equipped with the second screw hole on the unsteady base of second, the second is floated to cover and is equipped with the rectangular hole of second corresponding to the second screw hole, be equipped with the set screw between second screw hole and the rectangular hole of second.

The middle axle main speed reducer shell processing tool comprises an upper base plate, a left side portion and a right side portion, and is characterized in that the left side portion and the right side portion are respectively provided with at least four vertical supporting mechanisms, each vertical supporting mechanism comprises a vertical supporting base fixed on the upper base plate, a vertical supporting cylinder is arranged on each vertical supporting base, a second hydraulic cylinder is arranged in each vertical supporting cylinder, and each second hydraulic cylinder is connected with an oil pipeline.

The middle axle main speed reducer shell processing tool comprises an upper base plate, a left side portion and a right side portion, wherein the left side portion and the right side portion are respectively provided with at least three transverse supporting mechanisms, each transverse supporting mechanism comprises a transverse supporting base fixed on the upper base plate, a transverse supporting body is arranged on the transverse supporting base, a third hydraulic oil cylinder is arranged in each transverse supporting body, and the third hydraulic oil cylinders are connected with an oil pipeline.

The utility model discloses well axle final drive shell processing frock's advantage is:

1. the utility model discloses well axle final drive shell processing frock through oil pressure control, presss from both sides tightly to loosen the response fast, saves work piece clamping time, improves production efficiency. The oil pipeline of the hydraulic oil cylinder is arranged in the upper base plate, so that the oil pipeline is not in direct contact with other parts, the phenomenon of leakage of the oil pipeline is avoided, meanwhile, the oil pipeline cannot be exposed, and the machining tool has better spatial layout.

2. The utility model discloses well axle final drive shell processing frock, floating positioning disk's primary function is to the work piece location, through floating positioning disk's the fine problem that work piece locating hole blank face difference influences positioning accuracy of having solved of unsteady stroke, better assurance the uniformity of work piece location, it is useless because of the work piece material that positioning deviation caused to reduce the work piece.

3. The utility model discloses well axle final drive shell processing frock, put down after two unsteady positioning disks are aimed at to two blank locating holes on the work piece, the work piece can be automatic alignment, numerical control system sends and presss from both sides tight instruction after, the pressure of external hydraulic pressure station passes through the oil pipe way transmission in the upper plate for hydraulic cylinder, hydraulic cylinder is ejecting to drive the clamp plate and compresses tightly the work piece, hydraulic cylinder in the supporting mechanism is ejecting later, vertical support lives the work piece, transversely press from both sides tight work piece, vertical supporting mechanism all is equipped with screw hole and rectangular hole with horizontal supporting mechanism, through installing behind the fixed screw, can play unsteady upper cover up-and-down motion limiting displacement in the base that floats. Therefore, the workpiece can be firmly and reliably positioned and clamped, and subsequent machining is facilitated.

4. The utility model discloses well axle final drive shell processing frock, the mountable is on vertical machining center workstation, and the processing of screw hole, location pinhole, the assembly face that cooperation vertical machining center work can once the clamping accomplish well axle final drive shell flange face and go up the gland stationary plane.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic structural view of a first floating positioning plate of the present invention;

fig. 4 is a cross-sectional view taken along line a-a of fig. 3 in accordance with the present invention;

FIG. 5 is a schematic structural view of a second floating positioning plate of the present invention;

fig. 6 is a cross-sectional view taken along line B-B of fig. 5 according to the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Embodiment 1, as shown in fig. 1 and 2, a middle axle main reducer casing processing tool includes an upper base plate 1 and a lower base plate 2 which are connected up and down, an oil pipeline 8 is arranged in the upper base plate 1, the upper base plate 1 is divided into a left side portion 11 and a right side portion 12, at least three pressing mechanisms 3 are respectively arranged on the left side portion 11 and the right side portion 12, each pressing mechanism 3 includes a first hydraulic cylinder 31 fixed on the upper base plate 1, the first hydraulic cylinder 31 is connected with the oil pipeline 8, a pressing plate 32 is hinged on the first hydraulic cylinder 31, a positioning block 33 matched with the pressing plate 32 is arranged on the upper base plate 1, and the positioning block 33 is fixed on the upper base plate 1; a first floating positioning disc 4 and a second floating positioning disc 5 are arranged in an area formed by the at least three pressing mechanisms 31 on the left side part 11 and the right side part 12; the first floating positioning plate 4 comprises a first floating base 41 fixed on the upper base plate 1, and a first floating upper cover 43 capable of moving up and down is arranged in the first floating base 41; the second floating positioning plate 5 comprises a second floating base 51 fixed on the upper base plate 1, and a second floating upper cover 53 capable of moving up and down is arranged in the second floating base 51.

Embodiment 2, as shown in fig. 3 and 4, based on embodiment 1, a first base cavity 42 is provided in the first floating base 41, and the first base cavity 42 opens upward, a first upper cover cavity 44 is provided in the first floating upper cover 43, and the first upper cover cavity 44 opens downward, and a first spring 45 is provided between the first upper cover cavity 44 and the first base cavity 42.

Embodiment 3, as shown in fig. 3 and 4, on the basis of embodiment 2, the first floating base 41 is provided with a first screw hole 46, the first floating upper cover 43 is provided with a first long hole 47 corresponding to the first screw hole 46, and a fixing screw is provided between the first screw hole 46 and the first long hole 47.

Embodiment 4, as shown in fig. 5 and 6, based on embodiment 1, a second base cavity 52 is provided in the second floating base 51, the second base cavity 52 opens upward, a second upper cover cavity 54 is provided in the second floating upper cover 53, the second upper cover cavity 54 opens downward, and a second spring 55 is provided between the second upper cover cavity 54 and the second base cavity 52.

Embodiment 5, as shown in fig. 5 and 6, on the basis of embodiment 4, a second screw hole 56 is provided on the second floating base 51, a second elongated hole 57 is provided on the second floating upper cover 53 corresponding to the second screw hole 56, and a fixing screw is provided between the second screw hole 56 and the second elongated hole 57.

Embodiment 6, as shown in fig. 1 and 2, on the basis of any one of embodiments 1 to 5, at least four vertical supporting mechanisms 6 are respectively disposed on the left side portion 11 and the right side portion 12, each vertical supporting mechanism 6 includes a vertical supporting base 61 fixed on the upper base plate 1, a vertical supporting cylinder 62 is disposed on each vertical supporting base 61, a second hydraulic cylinder 63 is disposed in each vertical supporting cylinder 62, and the second hydraulic cylinder 63 is connected to the oil pipeline 8.

In embodiment 7, as shown in fig. 1 and 2, based on any one of embodiments 1 to 5, at least three lateral support mechanisms 7 are respectively provided on the left side portion 11 and the right side portion 12, each lateral support mechanism 7 includes a lateral support base 71 fixed to the upper base plate 1, a lateral support body 72 is provided on the lateral support base 71, a third hydraulic cylinder 73 is provided in the lateral support body 72, and the third hydraulic cylinder 73 is connected to the oil line 8.

The middle axle main reducer shell machining tool controls the first hydraulic oil cylinder 31 to drive the pressing plate 32 to clamp and loosen a workpiece through oil pressure, so that the workpiece clamping time is saved; the workpiece blank is accurately positioned through the first floating positioning disc 4 and the second floating positioning disc 5, and the workpiece clamping consistency is ensured; vertical vibrations can not be produced when guaranteeing that the work piece adds through vertical supporting mechanism 6, and horizontal supporting mechanism 7 guarantees that the work piece does not produce lateral displacement when adding, and two supporting mechanism play and strengthen the work piece effect of supporting. The flange face machining device is matched with the characteristic that the vertical machining center can machine multiple tools and multiple forms, and flange face machining in the whole process is completed through one-time clamping.

When the middle axle main speed reducer shell machining device is used, as shown in fig. 1 and 2, after a workpiece of a middle axle main speed reducer shell to be machined is placed on a machining tool, two blank positioning holes are respectively aligned with the first floating positioning plate 4 and the second floating positioning plate 5 and then are put down, the first floating positioning plate 4 and the second floating positioning plate 5 are internally provided with the first spring 45 and the second spring 55, after the workpiece is pressed down, the first floating upper cover 43 and the second floating upper cover 53 can fall down after being stressed, the first spring 45 and the second spring 55 are compressed, the outer peripheral walls of the first floating upper cover 43 and the second floating upper cover 53 are arranged in an inclined plane mode, and the positioning holes can be automatically aligned, so that the first floating upper cover 43 and the second floating upper cover 53 are in close contact with blank holes to be accurately positioned. The bottom surfaces of the workpieces are supported by the positioning blocks 33, after a clamping instruction is sent by the numerical control system, pressure of an external hydraulic station is transmitted to the first hydraulic oil cylinder 31 through the oil pipeline 8 in the upper base plate 1, the first hydraulic oil cylinder 31 ejects out to drive the pressing plate 32 to press the workpieces, after the second hydraulic oil cylinder 63 of the vertical supporting mechanism 6 transmits pressure through the oil pipeline 8, the second hydraulic oil cylinder 63 vertically rises to abut against the workpieces for secondary reinforcing support, and after the third hydraulic oil cylinder 73 of the transverse supporting mechanism 7 transmits pressure through the oil pipeline 8, the third hydraulic oil cylinder 73 transversely horizontally extends to abut against the workpieces for tertiary reinforcing support. The machining center automatically executes a machining process to machine the middle axle main speed reducer shell, after a numerical control system sends a loosening instruction after machining is finished, pressure of an external hydraulic station is transmitted to the second hydraulic oil cylinder 63 and the third hydraulic oil cylinder 73 through an oil pipeline 8 in the upper base plate 1, the two hydraulic oil cylinders retract to remove the reinforcing support for a middle axle main speed reducer shell workpiece, then the first hydraulic oil cylinder 31 retracts to drive the pressing plate 32 to open, clamping of the workpiece is loosened, the workpiece is lifted away from the tool, after the external force of the first floating positioning plate 4 and the second floating positioning plate 5 is removed, the first spring 45 and the second spring 55 rebound, the first floating upper cover 43 and the second floating upper cover 53 reset, and machining of a group of workpieces is finished.

The present invention has been described above by way of example with reference to the accompanying drawings, and it is to be understood that the specific implementations of the present invention are not limited to the above-described embodiments. The present invention can be modified or modified by those skilled in the art without departing from the technical idea of the present invention, and such modifications or modifications naturally fall within the scope of the present invention.

Claims

1. The utility model provides a well axle final drive shell processing frock which characterized in that: the oil pipe pressing mechanism comprises an upper base plate (1) and a lower base plate (2) which are connected up and down, wherein an oil pipeline (8) is arranged in the upper base plate (1), the upper base plate (1) is divided into a left side part (11) and a right side part (12), at least three pressing mechanisms (3) are respectively arranged on the left side part (11) and the right side part (12), each pressing mechanism (3) comprises a first hydraulic oil cylinder (31) fixed on the upper base plate (1), each first hydraulic oil cylinder (31) is connected with the oil pipeline (8), a pressing plate (32) is hinged to each first hydraulic oil cylinder (31), a positioning block (33) matched with the pressing plate (32) is arranged on the upper base plate (1), and the positioning block (33) is fixed on the upper base plate (1); a first floating positioning disc (4) and a second floating positioning disc (5) are arranged in an area formed by the at least three pressing mechanisms (3) on the left side part (11) and the right side part (12); the first floating positioning plate (4) comprises a first floating base (41) fixed on the upper base plate (1), and a first floating upper cover (43) capable of moving up and down is arranged in the first floating base (41); the second floating positioning plate (5) comprises a second floating base (51) fixed on the upper base plate (1), and a second floating upper cover (53) capable of moving up and down is arranged in the second floating base (51).

2. The tooling for machining the middle axle main speed reducer shell according to claim 1, is characterized in that: be equipped with first base chamber (42) in first unsteady base (41) and first base chamber (42) opening upwards, be equipped with first upper cover chamber (44) in first unsteady upper cover (43) and first upper cover chamber (44) opening is down, be equipped with first spring (45) between first upper cover chamber (44) and first base chamber (42).

3. The tooling for machining the middle axle main speed reducer shell according to claim 2, is characterized in that: be equipped with first screw hole (46) on first unsteady base (41), it is equipped with first rectangular hole (47) to correspond first screw hole (46) on first unsteady upper cover (43), be equipped with the set screw between first screw hole (46) and first rectangular hole (47).

4. The tooling for machining the middle axle main speed reducer shell according to claim 1, is characterized in that: a second base cavity (52) is arranged in the second floating base (51), the opening of the second base cavity (52) is upward, a second upper cover cavity (54) is arranged in the second floating upper cover (53), the opening of the second upper cover cavity (54) is downward, and a second spring (55) is arranged between the second upper cover cavity (54) and the second base cavity (52).

5. The tooling for machining the middle axle main speed reducer shell according to claim 4, is characterized in that: be equipped with second screw hole (56) on second unsteady base (51), it is equipped with second rectangular hole (57) to correspond second screw hole (56) on second unsteady upper cover (53), be equipped with the set screw between second screw hole (56) and second rectangular hole (57).

6. The tooling for machining the medium axle main speed reducer shell according to any one of claims 1 to 5, is characterized in that: the oil pipe connecting device is characterized in that at least four vertical supporting mechanisms (6) are arranged on the left side portion (11) and the right side portion (12) respectively, each vertical supporting mechanism (6) comprises a vertical supporting base (61) fixed on the upper base plate (1), a vertical supporting cylinder (62) is arranged on each vertical supporting base (61), a second hydraulic cylinder (63) is arranged in each vertical supporting cylinder (62), and each second hydraulic cylinder (63) is connected with an oil pipeline (8).

7. The tooling for machining the medium axle main speed reducer shell according to any one of claims 1 to 5, is characterized in that: the oil pipe connecting device is characterized in that at least three transverse supporting mechanisms (7) are arranged on the left side portion (11) and the right side portion (12) respectively, each transverse supporting mechanism (7) comprises a transverse supporting base (71) fixed on the upper base plate (1), a transverse supporting body (72) is arranged on each transverse supporting base (71), a third hydraulic oil cylinder (73) is arranged in each transverse supporting body (72), and each third hydraulic oil cylinder (73) is connected with an oil pipeline (8).