Tool setting gauge for hard milling blade

Abstract

The invention discloses a tool setting gauge for a hard milling blade. The tool setting gauge comprises a base, a tool apron, a gauge mounting seat and a dial gauge, one end of the upper end face of the tool apron is provided with a triangular tool groove matched with the triangular blade, and a side arm is fixed to the front end face of the base. The rear end of the dial gauge mounting seat is fixed on the upper end face of the base, the upper end face of the part, extending out of the base, of the front end of the dial gauge mounting seat is provided with an insertion hole of a dial gauge probe rod, the side face is provided with a threaded hole vertically communicated with the insertion hole, and the insertion hole directly faces the triangular cutter groove; and a probe rod of the dial indicator is inserted into the insertion hole and is fixed by an ejector pin which is in threaded connection with the threaded hole. According to the method, the Z-direction deviation of each milling cutter of the triangular blade can be measured, so that the error of each milling cutter can be known in advance, the deviation is directly compensated into equipment, the measurement time is short, and the machining efficiency of the triangular blade is improved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of tool setting gauge, and relates to a tool setting gauge for hard milling blade. BACKGROUND

[0002] The inner cavity of the bell-shaped shell is provided with a steel ball outer channel, and the steel ball outer channel needs to be milled by a hard milling blade. The hard milling blade is a triangular blade, and three same milling cutters are arranged on the three corners of the triangular blade. Each milling cutter is worn out after processing 300 pieces, and only another milling cutter can be replaced. Since the precision of each triangular blade is G level, the ball center height H dimension tolerance of the bell-shaped shell steel ball outer channel cannot be guaranteed in the Z direction due to the runout of the blade itself. Moreover, the three-coordinate detection time after replacing the milling cutter is 30 minutes, the downtime is too long, and the production efficiency is seriously affected. Other workpieces that need to be milled by the triangular blade also have the above problems.

[0003] Therefore, in order to improve the processing efficiency of the triangular blade, it is urgent to develop a tool setting gauge for measuring the deviation of the triangular blade in the Z direction. SUMMARY

[0004] The purpose of the present application is to solve the above problems existing in the prior art, and to provide a tool setting gauge for hard milling blade. The tool setting gauge can measure the deviation of each milling cutter of the triangular blade in the Z direction, so as to know the error of each milling cutter in advance, and compensate the deviation directly into the equipment. The measurement time is short, and the processing efficiency of the triangular blade is improved.

[0005] To achieve the above purpose, the solution of the present application is: a tool setting gauge for hard milling blade, comprising a base, a tool holder, a table mounting seat and a dial gauge. A triangular tool groove matched with the triangular blade is formed in one end of the upper end surface of the tool holder, and the side arm is fixed on the front end surface of the base; the rear end of the table mounting seat is fixed on the upper end surface of the base, the part of the front end of the table mounting seat protruding out of the upper end surface of the base is provided with a plug-in hole of a dial gauge probe rod, and the side surface is provided with a threaded hole vertically penetrating the plug-in hole, and the plug-in hole is opposite to the triangular tool groove; the probe rod of the dial gauge is inserted into the plug-in hole and is fixed by a thimble connected by threads; when in use, the triangular blade is placed in the triangular tool groove, and the probe of the dial gauge is in contact with the measured milling cutter of the triangular tool.

[0006] Further preferably, the present application further comprises a fixing sleeve, the outer circle of the fixing sleeve is matched with the diameter of the plug-in hole, the inner hole is matched with the diameter of the dial gauge probe rod, and the side wall is provided with an expansion opening; the fixing sleeve is placed in the plug-in hole, and the expansion opening faces the wall of the table mounting seat perpendicular to the threaded hole; the probe rod of the dial gauge is inserted into the fixing sleeve, and the thimble is fixed on the outer circle of the fixing sleeve. The wall of the fixing sleeve is thin, and the thimble contact force can deform the fixing sleeve, so as to clamp the dial gauge probe rod more stably and measure more accurately.

[0007] Further preferably, the base is a cuboid or a cube, an installation blind hole is opened on the upper end face thereof, and an installation hole I is opened on the side face thereof; the installation hole II is opened on the side wall of the tool holder, and the tool holder is fixed on the front end face of the base by the installation hole I and the installation hole II; the installation hole III is opened on the upper end face of the table mounting seat, and the table mounting seat is fixed on the upper end face of the base 8 by the installation hole III and the installation blind hole.

[0008] In work, the removed triangular blade milling cutter is placed below the probe of the micrometer, the dial is rotated, the pointer is adjusted to 0 position, the triangular blade is removed, the removed triangular blade is turned over or another new triangular blade is replaced, the milling cutter to be used is placed below the probe of the micrometer for measurement, if the pointer is on the left side of 0 position, the corresponding deviation is subtracted in the device adjustment interface, and if the pointer is on the right of 0 position, the corresponding deviation is added in the device adjustment interface.

[0009] The present application has the beneficial effects that the present application can measure the deviation of each milling cutter of the triangular blade in the Z direction, the error of each milling cutter is known in advance, and the deviation is directly compensated in the device, the measurement time is short, and the processing efficiency of the triangular blade is improved. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the front view of the present application; Figure 2 It is the left view of the present application; Figure 3 It is the front view of the base in the present application; Figure 4 It is the left view of the base in the present application; Figure 5 It is the front view of the tool holder in the present application; Figure 6 It is the left view of the tool holder in the present application; Figure 7 It is the front view of the table mounting seat in the present application; Figure 8 It is the left view of the table mounting seat in the present application; Figure 9 It is the top view of the table mounting seat in the present application; Figure 10 It is the front view of the fixing sleeve in the present application; Figure 11 It is the left view of the fixing sleeve in the present application.

[0011] In the figure, 1 is a micrometer, 2 is a fastening screw, 3 is a table mounting seat, 4 is a triangular blade, 5 is a screw, 6 is a fixing sleeve, 7 is a thimble, 8 is a base, and 9 is a tool holder. DETAILED DESCRIPTION

[0012] The present application will be further described below in combination with specific embodiments.

[0013] As Figures 1 to 11 , the embodiment includes base 8, tool holder 9, gauge mounting seat 3 and dial gauge 1. The upper end of tool holder 9 is provided with a triangular tool slot 91 matching the triangular tool piece 4, and the side arms are fixed on the front end face of base 8. The rear end of gauge mounting seat 3 is fixed on the upper end face of base 8, and the front end of the part protruding out of the upper end face of base 8 is provided with a plug-in hole 32 for the probe rod of dial gauge, and the side face is provided with a threaded hole 33 vertically penetrating through the plug-in hole 32, and the plug-in hole 32 is directly opposite to the triangular tool slot 91. The probe rod of dial gauge 1 is inserted into the plug-in hole 32 and is fixed by the top pin 7 screwed into the threaded hole 33. In use, the triangular tool piece is placed in the triangular tool slot 91, and the probe of dial gauge 1 is in contact with the measured milling cutter of the triangular tool 4.

[0014] The embodiment also includes a fixing sleeve 6, the outer circle of which matches the diameter of the plug-in hole 32, and the inner hole matches the diameter of the probe rod of dial gauge 1, and the side wall is provided with an expansion opening 61. The fixing sleeve 6 is placed in the plug-in hole 32, and the expansion opening 61 faces the wall of gauge mounting seat perpendicular to the threaded hole 33. The probe rod of dial gauge 1 is inserted into the fixing sleeve 6, and the top pin 7 is in contact with the outer circle of fixing sleeve 6. The wall of fixing sleeve 6 is thin, and the contact force of top pin 7 can deform it, so as to clamp the probe rod of dial gauge more stably and measure more accurately.

[0015] In the embodiment, the base 8 is a cuboid or a square, and the upper end face is provided with a mounting blind hole 81, and the side face is provided with a mounting hole I 82. The side wall of tool holder 9 is provided with a mounting hole II 92, and tool holder 9 is fixed on the front end face of base 8 by screws 5 through mounting hole I 82 and mounting hole II 92. The upper end face of gauge mounting seat 3 is provided with a mounting hole III 31, and gauge mounting seat 3 is fixed on the upper end face of base 8 by fastening screws 2 through mounting hole III 31 and mounting blind hole 81.

[0016] In work, the milling cutter of the replaced triangular tool piece is placed under the probe of dial gauge 1, the dial is rotated, the pointer is adjusted to 0 position, the triangular tool piece is removed, the removed triangular tool piece is turned over or another new triangular tool piece is replaced, the milling cutter to be used is placed under the probe of dial gauge for measurement, and if the pointer is on the left side of 0 position, the corresponding deviation is subtracted in the equipment adjustment interface, and if the pointer is on the right side of 0 position, the corresponding deviation is added in the equipment adjustment interface.

[0017] The above-mentioned embodiments are only preferred and exemplary, and are not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A hard milling tool setting gauge, characterized by: The device comprises a base (8), a tool holder (9), a gauge mounting base (3) and a dial gauge (1). The tool holder (9) has a triangular tool slot (91) at one end of the upper end face, and the side arms are fixed to the front end face of the base (8). The rear end of the gauge mounting base (3) is fixed to the upper end face of the base (8), and the front end of the gauge mounting base (3) projects from the upper end face of the base (8). The front end of the gauge mounting base (3) has a plug-in hole (32) for the probe rod of the dial gauge (1), and the side face has a threaded hole (33) which is perpendicular to the plug-in hole (32). The plug-in hole (32) is opposite to the triangular tool slot (91). The probe rod of the dial gauge (1) is inserted into the plug-in hole (32) and is fixed by the thimble (7) which is screwed into the threaded hole (33). When in use, the triangular tool is placed in the triangular tool slot (91), and the probe of the dial gauge (1) is in contact with the measured milling tool.

2. The hard mill blade setter gauge of claim 1, wherein: The tool setting gauge further comprises a fixing sleeve (6) which has an outer circle which is matched with the diameter of the plug-in hole (32), and an inner hole which is matched with the diameter of the probe rod of the dial gauge (1). The fixing sleeve (6) has an expansion opening (61) on the side wall. The fixing sleeve (6) is placed in the plug-in hole (32), and the expansion opening (61) is towards the wall of the gauge mounting base which is perpendicular to the threaded hole (33). The probe rod of the dial gauge (1) is inserted into the fixing sleeve (6), and the thimble (7) is in contact with the outer circle of the fixing sleeve (6).

3. The hard mill gage of claim 1 or 2, wherein: The base (8) is a cuboid or a square, and has a mounting blind hole (81) on the upper end face, and a mounting hole I (82) on the side face. The tool holder (9) has a mounting hole II (92) on the side wall, and is fixed to the front end face of the base (8) by the mounting hole I (82) and the mounting hole II (92) through screws. The gauge mounting base (3) has a mounting hole III (31) on the upper end face, and is fixed to the upper end face of the base (8) through the mounting hole III (31) and the mounting blind hole (81).

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