CN221088109U - Horizontal axis milling keyway processing fixture - Google Patents

Abstract

The utility model discloses a transverse axis milling keyway processing fixture, including: a base, used to fix the entire fixture on a machine tool workbench; two support blocks, used to support the transverse axis; and the support blocks and the base are detachably connected; a clamping assembly, arranged between the two support blocks, used to press the transverse axis onto the support blocks, and the clamping assembly is height-adjustable; a positioning assembly, used to limit the axial position of the transverse axis, and monitor whether the clamping state of the transverse axis is offset during processing. This fixture can adapt to the clamping of transverse axes of different diameters, and the positioning assembly can limit the axial position of the transverse axis, and monitor whether the clamping state of the transverse axis is offset during processing. All components of the entire fixture and the base are detachable structures, which can be quickly assembled.

Description

Horizontal axis milling keyway processing fixture

Technical Field

The utility model belongs to the field of mechanical processing auxiliary tooling, in particular to a horizontal axis milling keyway processing fixture.

Background technique

During the production process of the transverse axis, the shaft body will be milled with keyways. Keyway milling is a process of milling a keyway on the surface of a workpiece with a milling cutter. A special fixture is required to clamp the workpiece and mill it with a milling cutter. The keyway accuracy is required to be high during the processing. The existing transverse axis keyway milling fixture has a relatively complex structure, low axial positioning accuracy, poor rigidity, and cannot achieve rapid assembly of the structure. The processing scrap rate is high and the efficiency is low.

Utility Model Content

The utility model aims to provide a horizontal axis milling keyway processing fixture to achieve rapid assembly of the fixture and save processing time.

The technical solution to achieve the purpose of this utility model is:

A horizontal axis keyway milling fixture, comprising:

A base, used to fix the entire fixture on the machine tool table;

Two support blocks are used to support the horizontal axis; and the support blocks are detachably connected to the base;

A clamping assembly is arranged between the two support blocks and is used to press the transverse axis onto the support blocks, and the height of the clamping assembly is adjustable;

The positioning component is used to limit the axial direction of the horizontal axis and monitor whether the clamping state of the horizontal axis is offset during the processing.

Compared with the prior art, the utility model has the following significant advantages:

The utility model discloses a horizontal axis milling keyway processing fixture, which can select different types of support blocks according to different specifications, and the pressure plate has an adjustable height, and can adapt to the clamping of horizontal axes with different diameters; the positioning component can limit the axial position of the horizontal axis, and monitor whether the clamping state of the horizontal axis is offset during the processing; all parts and the base of the entire fixture are detachable structures, and can be assembled quickly.

BRIEF DESCRIPTION OF THE DRAWINGS

Figure 1 is a stereoscopic view of the horizontal axis milling keyway processing fixture.

Figure 2 is a front view of the horizontal axis milling keyway processing fixture.

Figure 3 is a top view of the horizontal axis milling keyway processing fixture.

Figure 4 is a side view of the horizontal axis milling keyway processing fixture.

Figure 5 is an axial view of the horizontal axis milling keyway processing fixture.

FIG. 6 is a structural diagram of the clamping assembly.

Figure 7 is a structural diagram of the bottom of the base.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

In conjunction with FIG. 1 to FIG. 7 , a horizontal axis keyway milling fixture of this embodiment includes a base 1, a first support block 2, a second support block 3, a positioning assembly and a clamping assembly;

The base 1 is provided with a U-shaped hole 1-1 at each end, which is used to fix the entire fixture on the machine tool workbench; the first support block 2 and the second support block 3 are used in pairs, fixed to the base 1 by bolts, and used to support the transverse axis 100; the clamping assembly is located between the two support blocks, and is used to clamp the transverse axis 100 on the two support blocks. The first support block 2 and the second support block 3 are both V-shaped blocks, and V-shaped blocks with different opening sizes can be selected according to the diameter of the transverse axis 100. The positioning assembly is used to axially limit the end face of the transverse axis 100.

The clamping assembly includes a live bolt 4, a cylindrical pin 5, a pressure plate 6, a fixed block 7, a tie rod 8, a clamping nut 9, and a gasket 10; the live bolt 4 has a thread at the lower end, and a height adjustment nut 20 is provided on the thread. The live bolt 4 is connected to the base 1 through the thread, and the fastening position is adjusted by adjusting the nut 20 to achieve adjustable installation length of the live bolt 4, so as to achieve adjustable height of the pressure plate 6 to adapt to transverse axes 100 of different diameters. One end of the pressure plate 6 is connected to the live bolt 4 through the cylindrical pin 5, and the other end is provided with a U-shaped hole 6-1 for passing the tie rod 8; the lower end of the tie rod 8 is connected to the fixed block 7 through a rotating shaft, and the upper end is provided with a thread for installing the clamping nut 9 and the gasket 10; the fixed block 7 is connected to the base 1 through a bolt. When in use, the pressing plate 6 is rotated to support the pressing plate 6 on the horizontal shaft 100, and then the pull rod 8 is passed through the U-shaped hole 6-1 of the pressing plate 6, the gasket 10 and the clamping nut 9 are installed, and the clamping nut 9 is rotated to press the pressing plate 6 downward, and the horizontal shaft 100 is pressed against the two supporting blocks through the pressing plate 6. Preferably, a thin elastic block, such as a rubber block, is also provided at the bottom of the pressing plate 6 to prevent the horizontal shaft from being scratched.

The positioning assembly includes a positioning seat 11 and a positioning column 12. The positioning seat 11 is fixed to the base 1 by bolts, and the positioning column 12 is connected to the positioning seat 11 by threads, and the extended length can be adjusted; a displacement sensor is fixed on the positioning column 12, which can monitor the position of the horizontal axis 100 in real time to monitor whether the clamping state of the horizontal axis 100 is offset during the processing process.

The U-shaped holes 1-1 at both ends of the base 1, the two support blocks, and the positioning assembly are arranged on the same straight line, and a plurality of avoidance grooves 1-2 are provided at the bottom of the base 1 for avoiding the bolts connected to the base.

When using the transverse axis keyway milling fixture of this embodiment, first fix the first support block 2, the second support block 3, the positioning assembly and the clamping assembly on the base 1. The size and type of the first support block 2 and the second support block 3 are selected according to the diameter of the transverse axis. The height of the pressing plate 6 is adjusted by the movable bolt 4. The transverse axis 100 to be processed is placed on the two support blocks, one end is close to the positioning column 12, and the pressing plate 6 is pressed on the transverse axis 100. Then, the pressing plate 6 is pressed by the pull rod 8, the clamping nut 9, and the gasket 10. Then, the entire processing fixture is placed on the workbench of the machine tool, fixed to the workbench of the machine tool through the U-shaped holes 1-1 at both ends of the base 1, and the transverse axis is processed by the machine tool.

The transverse axis milling keyway processing fixture of this embodiment can select different types of support blocks according to different specifications, and the pressure plate has an adjustable height, which can adapt to the clamping of transverse axes of different diameters; the positioning component can limit the axial position of the transverse axis and monitor whether the clamping state of the transverse axis 100 is offset during the processing. The various components and the base of the entire fixture are detachable structures, which can be assembled quickly.

Claims (8)

1. A horizontal axis keyway milling fixture, characterized by comprising: A base, used to fix the entire fixture on the machine tool table; Two support blocks are used to support the horizontal axis; and the support blocks are detachably connected to the base; A clamping assembly is arranged between the two support blocks and is used to press the transverse axis onto the support blocks, and the height of the clamping assembly is adjustable; The positioning component is used to limit the axial direction of the horizontal axis and monitor whether the clamping state of the horizontal axis is offset during the processing. 2. The transverse axis milling keyway processing fixture according to claim 1 is characterized in that the clamping assembly includes a pivot bolt, a cylindrical pin, a pressure plate, a fixed block, a pull rod, a clamping nut, and a gasket; the lower end of the pivot bolt is provided with a thread, and a height adjustment nut is provided on the thread, and the pivot bolt is connected to the base through a thread; one end of the pressure plate is rotatably connected to the pivot bolt, and the other end is provided with a U-shaped hole for passing the pull rod; the lower end of the pull rod is connected to the fixed block through a rotating shaft, and the upper end is provided with a thread for installing a clamping nut and a gasket; the fixed block is connected to the base through a bolt. 3. The horizontal axis milling keyway processing fixture according to claim 2 is characterized in that an elastic block is also provided at the bottom of the pressure plate. 4. The transverse axis milling keyway processing fixture according to claim 1 is characterized in that the positioning assembly includes a positioning seat and a positioning column, the positioning seat is fixed on the base, and the positioning column is connected to the positioning seat; a displacement monitoring module is fixed on the positioning column to monitor whether the clamping state of the transverse axis is offset during the processing. 5. The horizontal axis milling keyway processing fixture according to claim 4, characterized in that the positioning column is connected to the positioning seat through a thread. 6. The horizontal axis milling keyway processing fixture according to claim 1, characterized in that a U-shaped hole is provided at each end of the base. 7. The horizontal axis milling keyway processing fixture according to claim 6 is characterized in that the U-shaped holes at both ends of the base, the two support blocks, and the positioning assembly are arranged on the same straight line. 8. The horizontal axis milling keyway processing fixture according to claim 1 is characterized in that a plurality of avoidance grooves are provided at the bottom of the base.