CN205996565U - A kind of axle multi-angle keyseat regular worker's harness - Google Patents

Abstract

The utility model discloses a fixing tool for multi-angle shaft milling key slots, which comprises a shaft fixing device and a shaft rotating device coaxially arranged, the shaft fixing device includes a V-shaped block 1 and a V-shaped block 2 arranged transversely and oppositely, the shaft The rotating device is arranged on the ends of the first V-shaped block and the second end of the V-shaped block. The shaft rotating device includes a chuck. The chuck includes claws and a fixed plate. The claws are arranged on the side of the fixed plate and face the first V-shaped block and the V-shaped block. Second, the side of the fixed plate away from the claw is provided with a circular dial and an angle rotating handle. The fixed tooling for multi-angle keyway milling of this shaft uses V-shaped block 1 and V-shaped block 2 to realize the overall clamping of the shaft to be processed, and uses the chuck to realize the clamping of the end of the shaft to be processed, adding a circle to the shaft to be processed Rotating the chuck, the chuck drives the clamped shaft to be processed to rotate, so as to realize the processing of key grooves at different positions on the outer peripheral surface of the shaft, and there will be no deviation of the processing position of the key groove.

Description

A fixed tool for milling key slots with multiple angles on shafts

technical field

The utility model belongs to the field of mechanical processing fixtures, and more specifically relates to a fixed fixture for milling key grooves with multi-angle shafts.

Background technique

Keyway milling is a process of milling a keyway on the surface of a workpiece with a milling cutter. The workpiece needs to be clamped and milled with a milling cutter. With the advancement of technology and the precision of mechanical parts, the accuracy of the keyway is required to be higher and higher, which leads to an increasing requirement for the position of the milled keyway and the clamping accuracy of the shaft during the milling process. higher. However, the fixture for milling keyways in the prior art can only clamp the shaft. When milling multiple keyways of different sizes and different angles, first mark the shaft, and then adjust the clamping angle of the shaft fixture according to the marks. In this way, installation errors often occur in the clamping of the shaft, which seriously affects the quality of the shaft milling keyway, and even causes excessive deviation of the keyway milling angle, resulting in scrapping.

Utility model content

The purpose of this utility model is to provide a fixed tool for multi-angle milling key grooves of the shaft. The fixed tool can accurately realize the clamping of different angles of the shaft, and realize the milling of the key grooves of different angles and positions on the shaft. During processing, the phenomenon of positioning deviation will not occur, and the accuracy of the shaft milling and machining key grooves will be improved.

The technical solution of the utility model is a fixed tool for multi-angle milling of shafts and keyways, including a mounting base connected to the milling machine workbench. The mounting base is provided with a coaxial shaft fixing device and a shaft rotating device. The shaft fixing device It includes V-shaped block 1 and V-shaped block 2 arranged transversely and oppositely, the shaft rotation device is arranged at the ends of V-shaped block 1 and V-shaped block 2, the shaft rotation device includes a chuck, and the chuck includes claws and The fixed plate, the claw is arranged on one side of the fixed plate and faces the V-shaped block one and the V-shaped block two, and the fixed plate is provided with a circular dial and an angle rotation handle on the side away from the claw.

Preferably, the mounting base is provided with a fixed base, the V-shaped block one is fixedly connected to the fixed base, an L-shaped fixing seat is fixed on the fixed base on the side of the V-shaped block, and the V-shaped block two is arranged on the L The L-shaped fixed seat is connected with a locking screw passing through the L-shaped fixed seat.

Preferably, the fixed base is also provided with a chute parallel to the axis of the shaft fixing device, the chute is provided with a moving vertical plate, the mobile vertical plate is provided with mounting post holes, and the chuck is provided on the installation in the column hole.

Preferably, both ends of the mounting column hole are respectively provided with chuck fixing rings, and a chuck locking handle is provided on the top of the moving vertical plate, and the chuck locking handle passes through the moving vertical plate and is connected with the fixed plate .

Preferably, the top of the chuck fixing ring is provided with a vertically downward zero scale fixed pointer.

Preferably, the tops of the V-shaped block 1 and the V-shaped block 2 are respectively provided with opposite grooves.

Beneficial effects of the utility model technology:

The technical solution of the utility model is a fixed tool for multi-angle milling keyway of shaft. When working, the V-shaped block 1 and the V-shaped block 2 are used to realize the overall clamping of the shaft to be processed, and the chuck is used to realize the clamping of the end of the shaft to be processed. This is equivalent to adding a circular dial to the shaft to be processed, turning the chuck, the chuck drives the shaft to be processed to rotate, and realizes the keyway processing at different positions on the outer peripheral surface of the shaft. , There will be no deviation of the keyway machining position.

Description of drawings

Fig. 1 is a structural schematic diagram of a fixed tool for multi-angle milling keyway of the utility model,

Figure 2 is the left side view of Figure 1,

Figure 3 is the right side view of Figure 1,

FIG. 4 is a top view of FIG. 1 .

detailed description

For the convenience of those skilled in the art to understand the technical solution of the utility model, the technical solution of the utility model is further described in conjunction with the accompanying drawings of the description.

As shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a fixed tool for milling keyways with multi-angle shafts includes a mounting base 11 connected to the workbench of a milling machine, and the mounting base 11 is provided with a coaxial shaft Fixing device 1 and shaft rotating device 20, described shaft fixing device 1 comprises V-shaped block one 14 and V-shaped block two 15 that are horizontally and oppositely arranged, and described shaft rotating device 20 is arranged with V-shaped block one 14 and V-shaped block Two 15 ends, shaft rotation device 20 comprises chuck 2, and described chuck 2 comprises claw 3 and fixed disk 4, and described claw 3 is arranged on one side of fixed disk 4 and faces V-shaped block one 14 and V-shaped Block two 15, the fixed disc 4 is provided with a circular dial 17 and an angle rotating handle 7 on the side away from the claw 3; the shaft multi-angle keyway milling fixture using this structure uses V-shaped block one 14 and V Type block 2 15 realizes the clamping of the axis A to be processed, and uses the claw 3 of the chuck 2 to clamp the end of the axis A to be processed, and the circular dial 17 and the angle rotation handle 7 on the chuck 2 The axis A to be processed is relatively fixed. When working, loosen the V-shaped block one 14 and the V-shaped block two 15, turn the angle rotation handle 7 to realize the rotation of the axis A to be processed, and read the value to be processed from the 3 circular dial 17. Process the rotation angle of the axis A, then clamp the V-shaped block one 14 and the V-shaped block two 15, and mill the keyway for the axis A to be processed.

As shown in Figure 2, the mounting base 11 is provided with a fixed base 10, the V-shaped block-14 is fixedly connected with the fixed base 10, and the fixed base 10 on the side of the V-shaped block-14 is fixed with an L-shaped fixed seat 13 , the V-shaped block 2 15 is arranged on the L-shaped fixed seat 13 and is connected with a locking screw 12 passing through the L-shaped fixed seat 13; the axis A to be processed is clamped by this structure, and the clamped waiting axis A is always kept. The axial position of the machining axis A is the same, the axis position of the axis to be processed A will not change due to the type of the axis, and the axis of the axis A to be processed is always kept flush with the axis position of the chuck 2.

As shown in Figures 1, 3 and 4, the fixed base 10 is also provided with a chute 18 parallel to the axis of the shaft fixing device 1, and the chute 18 is provided with a moving vertical plate 9, and the mobile vertical Mounting column holes are arranged on the plate 9, and the chuck 2 is arranged in the mounting column holes. Chuck fixing rings 8 are respectively arranged at both ends of the mounting column holes, and chuck locking rings 8 are arranged on the top of the moving vertical plate 9. The handle 5, the chuck locking handle 5 passes through the moving vertical plate 9 and is connected with the fixed disk 4, and the top of the chuck fixing ring 8 is provided with a vertically downward zero-scale fixed pointer 6; adopt the shaft of this structure The rotating device 20 can realize the rotation of the shaft A to be processed by the chuck 2, and read the transmission angle of the shaft A to be processed from the circular dial 17, so as to realize the processing of the keyways at different positions on the shaft A to be processed, zero The scale fixed pointer 6 is always fixed and downward, and the zero scale fixed pointer 6 is used as the reference line to read the rotation angle of the axis A to be processed.

As shown in Figure 4, the tops of the V-shaped block one 14 and the V-shaped block two 15 are respectively provided with relative grooves 19, and the setting of the grooves 19 can effectively prevent the milling cutter from milling the axis A to be processed. The keyway interferes with V-shaped block one 14 and V-shaped block two 15.

As shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a fixed tool for multi-angle milling of shafts and keyways, when working, the position of the keyway to be processed on the axis A to be processed is placed between V-shaped block 14 and V In the position of the groove 19 on the block 2 15, turn the locking screw 12, the V-shaped block 14 and the V-shaped block 2 15 realize the clamping of the axis A to be processed, and move the vertical plate 9 so that the clamping of the chuck 2 Claw 3 approaches and locks the end of the shaft A to be processed, moves the vertical plate 9, rotates the chuck to lock the handle 5, and locks the end of the shaft A to be processed by the claw 3, and installs the entire fixing tool on the milling machine through the installation base 11 On the workbench, use a milling cutter to mill the first keyway. After the first keyway is processed, turn the locking screw 12 in the opposite direction, V-shaped block 14 and V-shaped block 2 15 to loosen the axis A to be processed, and the rotation angle Rotate the handle 7, and read the transmission angle of the shaft A to be processed through the circular dial 17, so as to realize the fixation of the second angle on the shaft. When the second keyway is rotated to the correct position, turn the locking screw 12, V-shaped Block one 14 and V-shaped block two 15 realize the re-clamping of the axis A to be processed, and carry out the milling of the second keyway.

The technical solution of the utility model has exemplarily described the utility model above in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited by the above-mentioned method, as long as various non- Substantial improvements, or direct application of the ideas and technical solutions of the utility model to other occasions without improvement are all within the protection scope of the utility model.

Claims (6)

1. A shaft multi-angle milling keyway fixture tool, comprising a mounting base connected to the milling machine workbench, characterized in that, the mounting base is provided with a coaxial shaft fixing device and a shaft rotating device, and the shaft is fixed The device includes a V-shaped block 1 and a V-shaped block 2 arranged transversely and oppositely, the shaft rotation device is arranged at the ends of the V-shaped block 1 and the V-shaped block 2, and the shaft rotation device includes a chuck, and the chuck includes claws And the fixed plate, the claws are arranged on one side of the fixed plate and facing the first V-shaped block and the second V-shaped block, and the side of the fixed plate away from the claws is provided with a circular dial and an angle rotation handle. 2. The fixing tool for multi-angle milling keyway according to claim 1, characterized in that, the mounting base is provided with a fixed base, the V-shaped block one is fixedly connected to the fixed base, and the V-shaped block An L-shaped fixing base is fixed on one side of the fixing base, and the V-shaped block 2 is arranged on the L-shaped fixing base and is connected with a locking screw passing through the L-shaped fixing base. 3. The fixing tool for multi-angle milling keyway of shaft according to claim 2, characterized in that, the fixed base is also provided with a chute parallel to the axis of the shaft fixing device, and the chute is provided with The vertical plate is moved, and a mounting column hole is arranged on the moving vertical plate, and the chuck is arranged in the mounting column hole. 4. The fixing tool for multi-angle milling keyway according to claim 3, characterized in that, the two ends of the mounting column hole are respectively provided with chuck fixing rings, and the top of the moving vertical plate is provided with a clamping ring. A disc locking handle, the chuck locking handle passes through the moving vertical plate and is connected with the fixed disc. 5 . The fixing tool for milling key slots with multi-axis and multiple angles according to claim 4 , wherein a vertically downward zero-scale fixed pointer is arranged on the top of the chuck fixing ring. 6 . 6 . The fixing tool for multi-axis milling keyway according to claim 1 , wherein the tops of the V-shaped block 1 and the V-shaped block 2 are respectively provided with opposite grooves. 7 .