CN220260265U - Clamp for machining shell holes of speed reducers - Google Patents

Abstract

The utility model discloses a clamp for machining holes of a speed reducer shell, which comprises a square table, positioning rings and pressing blocks, wherein the square table is arranged on a workbench of machining equipment, at least one positioning ring is arranged on at least one side surface of the square table, a plurality of pressing blocks are arranged on two sides of the square table through bolts and compress the speed reducer shell on the positioning rings, through holes for avoiding the speed reducer shell are formed in two sides of the square table, and at least two positioning pin holes matched with the speed reducer shell are formed in the positioning rings. The clamp can clamp a plurality of speed reducer shells at one time, so that the disassembly and assembly process is greatly facilitated, and the machining efficiency is improved; and the assembling and disassembling process of the speed reducer shell does not need two persons to cooperate, only the speed reducer shell is lifted by the existing crane and is sent to the vicinity of the clamp, the speed reducer shell can be fixed in advance by the aid of the pre-locking blocks, the speed reducer shell is prevented from falling from the clamp, then the positioning pin holes are utilized for positioning, finally the pressing blocks are utilized for locking, operation is convenient, and labor cost is reduced.

Description

Clamp for machining shell holes of speed reducers

Technical Field

The utility model relates to the technical field of machining of speed reducer shells, in particular to a clamp for machining holes of speed reducer shells.

Background

The speed reducer housing is a basic member to which each drive shaft is attached, and since a relatively large reaction force is generated when each shaft transmits torque when the speed reducer operates and acts on the housing, the housing is required to have sufficient rigidity to ensure the relative positional accuracy of each drive shaft. The metal structural shell can obtain larger strength and rigidity, and has compact structure.

The typical metal speed reducer shell is produced in a casting mode, and then a finished speed reducer shell product is obtained through machining, such as boring, milling, drilling and the like, wherein in the machining process, as the speed reducer shell cannot be directly fixed on a machining table of machining equipment, the speed reducer shell is usually required to be fixed by means of some tools or clamps to meet the installation and machining requirements, in the drilling process, the speed reducer shell is required to be fixed, and then the speed reducer shell is machined by using a drilling machine tool, but when the clamp for the speed reducer shell is installed, only one speed reducer shell is usually clamped, the clamping is difficult, two people are required to be relied on, one person keeps the speed reducer shell to be primarily fixed, and the other person performs clamping and locking work, so that the speed reducer shell is laborious, troublesome and has low efficiency.

Disclosure of Invention

The utility model aims to provide a clamp for machining a hole of a speed reducer shell, which aims to solve the problems that a common clamp can only clamp one speed reducer shell, and the clamping is difficult, labor-consuming and troublesome.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the fixture comprises a square table, positioning rings and pressing blocks, wherein the square table is arranged on a workbench of processing equipment, at least one positioning ring is arranged on at least one side surface of the square table, the pressing blocks are arranged on two sides of the square table through bolts and compress the reducer shell on the positioning rings, and through holes for avoiding the reducer shell are formed in two sides of the square table; wherein,

and the positioning ring is provided with at least two positioning pin holes matched with the speed reducer shell.

The further technical scheme is as follows: the positioning pin holes are arranged in annular directions with different diameters.

The further technical scheme is as follows: the side surface of the square table, which is not used for installing the positioning ring, is hollowed out.

The further technical scheme is as follows: and a differential lock hole on the speed reducer shell is vertically upwards arranged.

The further technical scheme is as follows: one side of the positioning ring is provided with an annular bulge, and the annular bulge is matched with the through hole.

The further technical scheme is as follows: the clamp further comprises a pre-locking block, a screw is rotatably arranged on the pre-locking block, and one end of the screw extends out of the pre-locking block and is connected with a threaded hole on the inner side face of the speed reducer shell.

The further technical scheme is as follows: and part of the pre-locking block abuts against the inner side of the positioning ring or the inner side of the square table.

The further technical scheme is as follows: the pre-locking block is a U-shaped block.

Compared with the prior art, the utility model has at least one of the following beneficial effects:

the utility model provides a clamp for machining holes of a speed reducer shell, which can clamp a plurality of speed reducer shells at one time, clamp a plurality of speed reducer shells at one time and process a plurality of speed reducer shells at one time, thereby greatly facilitating the disassembly and assembly process and improving the machining efficiency; and the assembling and disassembling process of the speed reducer shell does not need two persons to cooperate, only the speed reducer shell is lifted by the existing crane and is sent to the vicinity of the clamp, the speed reducer shell can be fixed in advance by the aid of the pre-locking blocks, the speed reducer shell is prevented from falling from the clamp, then the positioning pin holes are utilized for positioning, finally the pressing blocks are utilized for locking, operation is convenient, and labor cost is reduced.

Drawings

Fig. 1 is a schematic structural view of a fixture for machining a hole of a reducer casing according to the present utility model.

Fig. 2 is a schematic diagram of the structure of fig. 1 from a top view of the present utility model.

Fig. 3 is a schematic diagram of the structure of the present utility model from the side view of fig. 1.

Fig. 4 is a schematic structural view of the square table in fig. 1 according to the present utility model.

Reference numerals: 1. a square table; 2. a positioning ring; 3. briquetting; 4. a work table; 5. a speed reducer housing; 6. positioning pin holes; 7. a mortise lock hole site; 8. pre-locking blocks; 9. and (3) a screw.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Embodiment one:

as shown in fig. 1 of the present embodiment, a fixture for machining a hole of a reducer casing, the fixture comprises a square table 1, positioning rings 2 and pressing blocks 3, the square table 1 is installed on a workbench 4 of a machining device, at least one positioning ring 2 is installed on at least one side surface of the square table 1, a plurality of pressing blocks 3 are installed on two sides of the square table 1 through bolts and compress the reducer casing 5 on the positioning rings 2, and through holes for avoiding the reducer casing 5 are formed on two sides of the square table 1; the positioning ring 2 is provided with at least two positioning pin holes 6 which are matched with the reducer casing 5. The fixture further comprises a pre-locking block 8, a screw rod 9 is rotatably arranged on the pre-locking block 8, and one end of the screw rod 9 extends out of the pre-locking block 8 to be connected with a threaded hole on the inner side face of the speed reducer shell 5. The part of the pre-locking block 8 is against the inside of the positioning ring 2 or the inside of the square table 1.

The working process of the utility model is as follows: the speed reducer shell 5 is lifted to the square table 1 through the crane near the processing equipment, then the speed reducer shell 5 is pushed by workers to be attached to the positioning ring 2, then the pre-locking block 8 is arranged at the inner end of the speed reducer shell 5 through the screw 9, the part of the pre-locking block 8 is propped against the inner side of the positioning ring 2 or the inner side of the square table 1, the speed reducer shell 5 is tensioned, the speed reducer shell 5 can be fixed in advance, the speed reducer shell 2 is ensured not to fall off from the clamp, then the positioning pin hole 6 and the pin are utilized for positioning, finally the pressing block 3 is utilized for locking, the operation is convenient, two persons are not required to cooperate, and the labor cost is reduced; according to the installation process, the other reducer shells 5 are continuously installed on the clamp, a plurality of reducer shells can be clamped once, a plurality of reducer shells can be machined once, the disassembly and assembly process is greatly facilitated, and the machining efficiency is improved.

Preferably, the registration pin holes 6 are arranged in annular directions of different diameters.

The positioning pin holes 6 are annularly arranged according to different diameters, so that the positioning of the reducer shell 5 with various specifications can be satisfied.

Preferably, the square table 1 is not used for mounting the positioning ring 2.

On the one hand, the weight of the square table 1 is reduced, and the square table is convenient to install and carry; on the other hand, the square table 1 is conveniently mounted on the workbench 4 of the processing equipment through screw holes and bolts on the bottom plate of the square table, and meanwhile, the pre-locking block 8 is conveniently mounted and screwed to the screw 9.

Preferably, the differential lock hole position 7 on the reducer casing 5 is disposed vertically upward.

The differential lock hole position 7 is a main hole position, and is convenient to process upwards.

Preferably, one side of the positioning ring 2 is provided with an annular protrusion, which is adapted to the through hole.

When the positioning ring 2 is installed, the positioning ring is clamped in the through hole of the square table 1 through the annular bulge, and cannot fall off, so that the locking work is facilitated.

Preferably, the pre-locking block 8 is a U-shaped block.

The U-shaped block is provided with two ends, the two ends are rotated to be provided with the screw rods 9, the speed reducer shell 5 is tensioned, and meanwhile, the U-shaped block is convenient to hold and take.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (8)

1. A anchor clamps for processing of reduction gear shell hole, its characterized in that: the fixture comprises a square table (1), a positioning ring (2) and pressing blocks (3), wherein the square table (1) is arranged on a workbench (4) of processing equipment, at least one positioning ring (2) is arranged on at least one side surface of the square table (1), a plurality of pressing blocks (3) are arranged on two sides of the square table (1) through bolts and compress a speed reducer shell (5) on the positioning ring (2), and through holes for avoiding the speed reducer shell (5) are formed in two sides of the square table (1); wherein,

the positioning ring (2) is provided with at least two positioning pin holes (6) which are matched with the speed reducer shell (5).

2. The jig for hole processing of a speed reducer casing according to claim 1, wherein: the positioning pin holes (6) are arranged in annular directions with different diameters.

3. The jig for hole processing of a speed reducer casing according to claim 1, wherein: the side surface of the square table (1) which is not used for installing the positioning ring (2) is hollowed out.

4. The jig for hole processing of a speed reducer casing according to claim 1, wherein: and a differential lock hole position (7) on the speed reducer shell (5) is vertically upwards arranged.

5. The jig for hole processing of a speed reducer casing according to claim 1, wherein: one side of the positioning ring (2) is provided with an annular bulge, and the annular bulge is matched with the through hole.

6. The jig for hole processing of a speed reducer casing according to claim 1, wherein: the clamp further comprises a pre-locking block (8), a screw rod (9) is rotatably arranged on the pre-locking block (8), and one end of the screw rod (9) extends out of the pre-locking block (8) to be connected with a threaded hole on the inner side face of the speed reducer shell (5).

7. The jig for hole processing of a speed reducer casing according to claim 6, wherein: part of the pre-locking block (8) is abutted against the inner side of the positioning ring (2) or the inner side of the square table (1).

8. The jig for hole processing of a speed reducer casing according to claim 6, wherein: the pre-locking block (8) is a U-shaped block.