Precise boring cutter, blade adjusting device and blade adjusting method thereof

Abstract

The invention belongs to the technical field of mechanical cold machining, and particularly relates to a precise boring cutter, a blade adjusting device and a blade adjusting method. The tool setting device comprises a base, a supporting and positioning mechanism and a measuring mechanism, the supporting and positioning mechanism comprises a V-shaped tool handle supporting and positioning structure used for positioning a tool handle or a tool setting standard part and a tool body adjusting structure used for adjusting the extending length of a tool body, the V-shaped tool handle supporting and positioning structure is installed on the base, and the tool body adjusting structure is installed on the tool handle; the measuring mechanism comprises a dial gauge and a dial gauge stand, the dial gauge stand is installed on the base, and the dial gauge stand comprises a movable gauge stand supporting seat and a fixed gauge stand supporting seat which can slide relatively or be locked relatively; and when the tool nose of the tool body is vertically aligned with the 0-degree line of the indexing table, the indexing table measures according to the angle of the cutting edge of the tool body. The extension length of the boring cutter can be corrected, repeated positioning is achieved, re-sharpening of the hard alloy boring cutter and the diamond blade is achieved, the equipment investment is reduced, the cutter cost is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of mechanical cold processing, and in particular relates to a precision boring tool, a blade adjusting device and a blade adjusting method. Background Art

[0002] When a carbide boring tool processes 500 workpieces, it needs to be returned to the tool grinding room and sharpened on the NC (numerical control) equipment. The boring tool size is ￠4mm×26mm, clamped on the tool handle, and the tool tip is set at a height of 32.0mm. The tool point height must be consistent during batch grinding, so a special boring tool adjustment device needs to be designed and developed to achieve internal grinding in our company.

[0003] The current status of cemented carbide boring is:

[0004] 1 / The carbide boring tool is 26.0mm long and 4.0mm in diameter, which is a short tool;

[0005] 2 / The main cutting edge back angle of the carbide boring tool is 8.0±1° and the width is 1.0±0.4mm;

[0006] 3 / The carbide boring tool must have a 30° angle on the left and a 45° angle on the right;

[0007] 4 / The front end of the carbide boring tool needs to be guaranteed to be R0.4±0.1mm;

[0008] 5 / The grinding amount of carbide boring tool must be guaranteed to be 0.2mm;

[0009] Technical problems to be solved: Based on the requirement of consistent tool point height during batch sharpening of boring tools, designing and developing a special carbide boring tool and diamond blade tool adjustment device with high repeatability is a technical problem to be solved urgently in this field. Summary of the invention

[0010] In order to solve the problems existing in the above-mentioned prior art, the present invention designs a universal adjustment device and application method that can meet the needs of various blades and boring heads of different shapes and materials due to different extension lengths and deflection angles in the tool handle. It is a high-precision tool adjustment device that can calibrate the extension length of the boring tool and repeat positioning through independent design, which realizes the re-sharpening of carbide boring tools and diamond blades, reduces equipment investment, reduces tool costs, and improves work efficiency.

[0011] The technical solution adopted by the present invention to solve this problem is:

[0012] A precision boring tool and blade adjusting device, comprising a base, and also comprising:

[0013] A support and positioning mechanism, comprising a V-shaped tool handle support and positioning structure for positioning the tool handle or the tool standard part, and a tool body adjustment structure for adjusting the extension length of the tool body, wherein the V-shaped tool handle support and positioning structure is mounted on a base, and the tool body adjustment structure is mounted on the tool handle;

[0014] The measuring mechanism comprises a dial gauge and a dial gauge seat for positioning and installing the dial gauge, wherein the dial gauge seat is installed on a base, and the dial gauge seat comprises a movable seat support seat and a fixed seat support seat which can slide relative to each other or lock relative to each other;

[0015] When the tip of the tool body is vertically aligned with the 0 degree line of the indexing scale, the indexing scale measures according to the cutting edge angle of the tool body.

[0016] In the above technical solution, the V-shaped tool handle support and positioning structure includes:

[0017] A tool handle support seat, the upper part of which is provided with a V-shaped tool handle seat, and the tool handle support seat is mounted on the base through a tool handle support seat fixing bolt;

[0018] The knife handle pressing block is installed on the knife handle supporting seat through the knife handle pressing block fixing bolt. A locking screw hole is penetrated through the knife handle pressing block. A knife handle locking rod is screwed on the locking screw hole. A knife handle locking handle is installed on the knife handle locking rod.

[0019] In the above technical solution, the locking screw hole, the shank locking rod and the shank locking handle are located directly above the central axis of the V-shaped shank seat.

[0020] In the above technical solution, the micrometer is locked on the moving meter seat support by the micrometer locking bolt, the fixed meter seat support is installed on the base by the meter seat support bolt, the moving meter seat support 4 is mounted on the fixed meter seat support and can make linear reciprocating motion along the fixed meter seat support, and the moving meter seat support is locked with the fixed meter seat support by the meter seat fixing bolt.

[0021] In the above technical solution, two opposite outer side walls of the fixed meter seat support seat are provided with sliding bars, and two opposite inner side walls of the movable meter seat support seat are provided with sliding grooves adapted for sliding with the sliding bars.

[0022] In the above technical solution, a micrometer positioning plate is formed by extending upward on the side of the dynamic gauge seat support seat facing the tool handle support seat, and a strip opening groove is horizontally provided on the micrometer positioning plate, and a fastening hole for the micrometer measuring rod to pass through is provided in the strip opening groove, and a micrometer locking bolt 7 for adjusting the opening size of the strip opening groove is also provided on the micrometer positioning plate, and the strip opening groove is clamped by the micrometer locking bolt 7 screwed on the fastening bolt hole.

[0023] In the above technical solution, the tool body is a boring tool or a blade distributed at 90° to the tool handle, the tool handle is provided with a tool handle mounting hole for inserting the tool body, and the tool body adjustment structure includes a locking top screw and an adjusting top screw arranged on the tool handle.

[0024] In the above technical solution, the micrometer is installed on the dynamic meter support seat through a rotating structure, a circular groove is opened in the middle of the rotating structure, a 360° dividing plate is rotatably arranged in the circular groove, and the micrometer is installed on the 360° dividing plate.

[0025] In the above technical solution, the 360° dividing plate is divided into 360 equal parts and marked with dividing scales, and the 360° dividing plate is relatively rotated or relatively locked with the circular groove through the positioning structure.

[0026] The second invention object of the present invention is to provide a method for adjusting a precision boring tool and a blade adjusting device, comprising the following steps:

[0027] S1. Use the tool calibration part to calibrate the micrometer, press in 0.2mm and the needle should be at "0";

[0028] S2. Rotate the locking handle of the knife handle counterclockwise, put the knife handle into the V-shaped knife handle seat of the knife handle support seat, and then rotate the locking handle of the knife handle clockwise to press the knife handle;

[0029] S3. Rotate the two locking screws on the handle counterclockwise to put the cutter body into the mounting hole of the handle;

[0030] S4. Rotate the end of the tool handle counterclockwise to adjust the top screw. After retracting the tool, rotate it clockwise to adjust the top screw. Push the tool body up, move the support seat of the movable table seat, and the micrometer probe contacts the center of the tool body and the tool head. Adjust the tool body and the tool head repeatedly, and cooperate with the tool adjustment device to achieve the standard height requirement of the tool body grinding -32mm. The micrometer has been calibrated in advance, and the needle indicates "0" at this time;

[0031] S5. Move the locking screw downwards, make sure the front cutting edge of the cutter body is horizontal, lock the cutter body, and the cutter adjustment is complete.

[0032] The advantages and positive effects of the present invention are:

[0033] 1. The tool adjusting device of the present invention utilizes the principles of spiral, lever and pressure plate to realize the internal sharpening of carbide boring tools (and various types of blades), solves the difficult operations that have long plagued the workpiece manufacturing site, ensures the quality of tool sharpening, reduces tool costs, improves work efficiency, and obtains the technical effect of expanding the application of spiral mechanisms and pressure plates.

[0034] 2. The present invention can be used as a universal measuring jig for various blades and boring heads before grinding, and can achieve precision measurement of blades and boring heads with different installation angles and different extension lengths before grinding, thus saving a lot of working time and the cost of purchasing different types of measuring tools.

[0035] 3. The present invention breaks through the barriers of traditional NC grinders for boring tools and blades, and develops a universal five-axis tool grinder for grinding boring tools and blades. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments, but it should be understood that these drawings are designed only for explanation purposes and are not intended to limit the scope of the present invention. In addition, unless otherwise specified, these drawings are intended only to conceptually illustrate the structural configurations described herein and are not necessarily drawn to scale.

[0037] Figure 1 It is a front view of the tool setting device in the present invention;

[0038] Figure 2 is a top view of the tool setting device of the present invention;

[0039] Figure 3 is a side view of the tool setting device of the present invention;

[0040] Figure 4 yes Figure 2 Middle AA surface section;

[0041] Figure 5 yes Figure 2 Middle BB surface section;

[0042] Figure 6 This is a top view of the tool standard parts.

[0043] In the figure: 1-base; 2-fixed gauge seat support seat; 3-gauge seat support seat bolt; 4-moving gauge seat support seat; 5-gauge seat fixing bolt; 6-micrometer; 7-micrometer fixing bolt; 8-tool handle support seat; 9-tool handle support seat fixing bolt; 10-tool handle pressure block; 11-tool handle pressure block fixing bolt; 12-tool handle locking handle; 13-tool handle; 14-boring tool; 15-locking top screw; 16-adjusting top screw. DETAILED DESCRIPTION

[0044] First of all, it should be noted that the specific structure, features and advantages of the present invention will be specifically described below by way of example, but all descriptions are only for illustration and should not be understood as limiting the present invention in any way. In addition, any single technical feature described or implied in the embodiments mentioned herein, or any single technical feature displayed or implied in the drawings, can still be combined or deleted between these technical features (or their equivalents) to obtain more other embodiments of the present invention that may not be directly mentioned in this document. In addition, in order to simplify the drawings, the same or similar technical features may be marked only in one place in the same drawing.

[0045] In the present invention, unless otherwise clearly specified and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances. Figure 1-Figure 5 The present invention will be described in detail.

[0046] Embodiment 1:

[0047] A precision boring tool and blade adjusting device comprises a base 1, a supporting positioning mechanism and a measuring mechanism, wherein:

[0048] A support and positioning mechanism, which includes a V-shaped tool handle support and positioning structure for positioning the tool handle or the tool standard part, and a tool body adjustment structure for adjusting the extension length of the tool body, wherein the V-shaped tool handle support and positioning structure is mounted on the base 1, and the tool body adjustment structure is mounted on the tool handle;

[0049] The measuring mechanism comprises a dial gauge and a dial gauge seat for positioning and installing the dial gauge 6, wherein the dial gauge seat is installed on a base 1, and the dial gauge seat comprises a movable seat support seat 4 and a fixed seat support seat 2 which can slide or lock relative to each other;

[0050] When the tip of the tool body is vertically aligned with the 0 degree line of the indexing table 6, the indexing table 6 measures according to the cutting edge angle of the tool body.

[0051] In this embodiment, a V-shaped tool handle supporting and positioning structure and a measuring mechanism are installed above the base. The installation direction of the V-shaped tool handle supporting and positioning structure is perpendicular to the 0 degree scale of the dividing disk. When measuring various types of blades or boring heads, a tool body (blade or boring tool) is installed in the tool handle. The tool handle moves forward along the V-shaped tool handle supporting and positioning structure and is fixed in the limit position. At this time, the tip of the blade or boring tool is vertically aligned with the 0 degree line of the dividing disk, and the micrometer measures according to the cutting edge angle of the blade or boring head.

[0052] Furthermore, in this embodiment, it can also be considered that the V-shaped handle support positioning structure includes:

[0053] A tool handle support seat 8, the upper part of which is provided with a V-shaped tool handle seat, the tool handle support seat 8 is mounted on the base 1 through a tool handle support seat fixing bolt 9, and the V-shaped tool handle seat is used to position the V-shaped tool handle 13;

[0054] The shank pressing block 10 is mounted on the shank supporting seat 8 via a shank pressing block fixing bolt 11. A locking screw hole is penetrated through the shank pressing block 10, a shank locking rod is screwed onto the locking screw hole, and a shank locking handle 12 is mounted on the shank locking rod.

[0055] like Figure 1 As shown, Figure 1 On the middle left side is the V-shaped tool handle support and positioning structure, with a V-shaped tool handle seat installed above the base, and a tool handle support seat fixing bolt 9 provided below the V-shaped tool handle seat, which is connected and cooperated with the threaded hole in the middle of the base; in addition, guide columns with mounting holes are provided on both sides of the base, and the tool handle support seat is fixed by screwing bolts into the threads opened at the upper ends of the guide columns. The tool handle is installed on the V-shaped surface of the V-shaped tool handle seat and locked in position by the tool handle locking rod.

[0056] Furthermore, in this embodiment, it can also be considered that the tool body is a boring tool or a blade distributed at 90° to the tool handle 13, and the tool handle 13 is provided with a tool handle mounting hole for inserting the tool body. The tool handle mounting hole is distributed at 90° to the tool handle, which is a necessary condition for realizing sharpening of a universal tool grinder.

[0057] Furthermore, in this embodiment, the tool body adjustment structure includes a locking screw 15 and an adjustment screw 16 provided on the tool handle 13. When the carbide boring tool and the blade are installed in the tool handle, the installation position of the boring tool and the blade can be adjusted by the tool body adjustment structure. The blade shape can be, but is not limited to, a parallelogram, a rhombus, a trapezoid, a quadrilateral, etc. The tool handle 13 is made of 45# quenched and tempered steel, with a total length of 110.0mm, and the right end is the tool handle part, with a diameter of ￠20mm and a length of 85mm.

[0058] like Figure 1-5As shown, the V-shaped tool holder seat 8 and the micrometer gauge seat are distributed on the left and right, and are fixed on the 150.0mm×162.0mm45# steel base 1 by M8 bolts. The elongation of the boring tool can be adjusted by adjusting the top screw 16 on the boring tool holder, and the tool setting point of the boring tool tip (32mm-the distance from the center of the tool holder to the boring tool tip) is corrected with the micrometer on the tool setting device. The tool setting point is 0.2mm higher than the NC program contour value (31.8mm) (i.e. the grinding amount each time). The height of the tool setting point affects the number of boring tool edge grinding times (standard number of times is 10 times) and the wear removal of the boring tool, and the tool setting device requires high precision.

[0059] Furthermore, in this embodiment, it can also be considered that the locking screw hole, the shank locking rod and the shank locking handle 12 are located directly above the central axis of the V-shaped shank seat.

[0060] Furthermore, in this embodiment, the micrometer 6 is locked on the moving meter seat support 4 by the micrometer locking bolt 7, the fixed meter seat support 2 is installed on the base by the meter seat support bolt 3, the moving meter seat support 4 is mounted on the fixed meter seat support 2 and can make linear reciprocating motion along the fixed meter seat support 2, and the moving meter seat support 4 is mutually locked with the fixed meter seat support 2 by the meter seat fixing bolt. Figure 1 As shown, the micrometer 6 is installed on the dynamic meter seat support seat 4, the dynamic meter seat support seat 4 is locked on the fixed meter seat support seat 2 by the meter seat fixing bolts 5, and the fixed meter seat support seat 2 is fixed on the base 1 by bolts.

[0061] Furthermore, in this embodiment, it can also be considered that the two opposite outer side walls of the fixed meter seat support seat 2 are provided with sliding bars, and the two opposite inner side walls of the movable meter seat support seat 4 are provided with sliding grooves adapted to slide with the sliding bars.

[0062] Furthermore, in the present embodiment, it can also be considered that a micrometer positioning plate is formed by extending upward on the side of the dynamic meter seat support seat 4 facing the tool handle support seat 8, and a strip opening groove is horizontally provided on the micrometer positioning plate, and a fastening hole for the micrometer measuring rod to pass through is provided in the strip opening groove, and a micrometer locking bolt 7 for adjusting the opening size of the strip opening groove is also provided on the micrometer positioning plate, and the strip opening groove is clamped by the micrometer locking bolt 7 screwed on the fastening bolt hole using the lever principle.

[0063] Embodiment 2:

[0064] In addition to being directly locked on the moving meter base support seat 4 by the micrometer locking bolt 7, the micrometer 6 can also be installed on the moving meter base support seat 4 by a rotating structure, a circular groove is opened in the middle of the rotating structure, a 360° dividing plate is rotatably provided in the circular groove, and the micrometer is installed on the 360° dividing plate.

[0065] Furthermore, in this embodiment, it can also be considered that the 360° indexing disk is divided into 360 equal parts and marked with indexing scales, and the 360° indexing disk is relatively rotated or relatively locked with the circular groove through a positioning structure. Among them: the rotating structure can be, but not limited to, fixed to the moving table seat support seat 4 with bolts, the 360° indexing disk is rotatably installed in the circular groove of the rotating structure through a rotating shaft, a "0" degree reference mark is set in the circular groove, and the V-shaped tool handle seat is perpendicular to the "0" degree reference mark. When the micrometer angle needs to be adjusted, the 360° indexing disk can be rotated and the rotation angle can be determined by the indexing scale on the 360° indexing disk. When the micrometer needs to be fixed, the relative position between the 360° indexing disk and the circular groove is locked by the positioning structure, and the positioning structure can be, but not limited to, a bolt.

[0066] In this embodiment, the micrometer is mounted on the movable table seat support seat 4 through a rotating structure, a circular groove is opened in the middle of the rotating structure, a 360° indexing plate is rotatably arranged in the circular groove, and the micrometer is mounted on the 360° indexing plate. When measuring various blades or boring heads, a blade or boring tool is installed in the handle, and the V-shaped handle moves forward along the V-shaped handle seat and is fixed in the limit position. At this time, the tip of the tool is vertically aligned with the 0-degree line of the indexing plate, and the rotating mechanism can drive the micrometer to measure according to the cutting edge angle of the blade or boring head.

[0067] In this embodiment, the tool setting device is equipped with a 360° dividing plate and can rotate to meet the tool setting requirements of blades of various shapes and angles. The tool setting height is expected to use a laser tool setting instrument - the ultimate goal - to achieve automated tool setting.

[0068] Example 3: Design of a high-precision boring tool adjustment device with repeated positioning

[0069] 1 / Design: Appearance of boring tool adjusting device: Dimensions are 150.0mm×162.0mm×88.5mm, using 150.0mm×162.0mm quenched and tempered 45# steel as the base 1, the V-shaped tool holder support seat 8 (the V-shaped surface is 90°, matching the tool holder positioning) and the micrometer base are fixed on the base for easy clamping and operation.

[0070] 2 / Parts of the knife adjusting device: The knife adjusting device consists of a base 1, a fixed gauge seat support seat 2 (length 150.0mm width 80.0mm), a gauge seat support seat bolt 3 (M8), a moving gauge seat support seat 4 (80*80*41mm), a gauge seat fixing bolt 5, a micrometer 6, a micrometer fixing bolt 7, a tool handle support seat 8 (120*60*42mm), a tool handle support seat fixing bolt 9, a tool handle pressure block 10, a tool handle pressure block fixing bolt 11, a tool handle locking handle 12, a tool handle 13, a boring tool 14, a locking top screw 15, and an adjusting top screw 16.

[0071] 3 / Structure: On the base 1 of the tool adjustment device, one side is fixedly installed with the fixed base support seat 2 through the M8 base support seat bolt 3 (the protection point-base fastening bolt hole is milled into a U shape (length 25*width 15*10 depth mm, which is convenient for adjusting the micrometer over a large distance to adapt to the sharpening of various boring tools and blades), the dynamic base support seat 4 is installed on the fixed base support seat 2 through the base fixing bolt 5 (loosening the base fixing bolt 5 can move the dynamic base support seat 4 horizontally to adapt to the sharpening of various boring tools and blades), the micrometer 6 is locked on the dynamic base support seat 4 through the micrometer locking bolt 7, and the upper end of the dynamic base support seat 4 has an open pressure plate (a micrometer positioning pressure plate with a strip opening groove), and the extension distance of the micrometer probe can be adjusted through the micrometer locking bolt 7 (before this, the micrometer is calibrated using high-precision tool setting standard parts The indicator is at the "0" position. When the micrometer is pressed into 0.2mm, the pointer is adjusted to "0", which can meet the grinding of three types of boring tools, such as: 1. ￠4ⅹ26mm boring tool, 2. ￠4ⅹ24mm boring tool, 3. ￠4ⅹ15mm boring tool). The tool handle support seat 8 is fixed to the other side of the base 1 through the tool handle support seat fixing bolt 9, and the tool handle pressure block 10 is fixed to the tool handle support seat 8 through the tool handle pressure block fixing bolt 11. The upper end of the tool handle pressure block 10 is equipped with a tool handle locking handle 12, which is used to loosen and lock the tool handle 13. The boring tool 14 controls the extension length by adjusting the top screw 16. The tool tip contacts the micrometer probe. When the indicator needle reaches "0", it is the tool setting point 32.0mm required by the CNC grinder (the micrometer has been pre-calibrated by the standard parts). At this time, the two locking top screws 15 on the upper end of the tool handle are locked, and the tool adjustment is completed.

[0072] 4 / Working principle: The tool adjustment device controls the tool adjustment height of the boring tool through the distance between the tool handle and the micrometer, and finally realizes the sharpening of the boring tool on the general CNC tool grinder.

[0073] Embodiment 4:

[0074] A method for using a precision boring tool and a blade adjusting device:

[0075] 1 / Use the tool calibration piece 17 to calibrate the micrometer 6, press in 0.2mm and adjust the needle to "0".

[0076] 2 / Turn the knife handle locking handle 12 counterclockwise, put the knife handle 13 into the V-shaped groove of the knife handle support seat 8, and then turn the knife handle locking handle 12 clockwise to press the knife handle 13.

[0077] 3 / Rotate the two locking screws 15 on the top of the tool handle 13 counterclockwise and place the boring tool 14 into the 4mm mounting hole of the tool handle.

[0078] 4 / Rotate the end of the tool handle 5mm counterclockwise to adjust the top screw 16, then rotate the top screw 16 clockwise after retracting the tool, push the boring tool 14 up, move the movable table support seat 4, and make the micrometer probe contact the center of the boring head. Adjust the boring head repeatedly, and use the tool adjustment device to achieve the standard height requirement of the boring tool grinding -32mm. The micrometer 6 has been calibrated in advance, and the needle indicates "0" at this time.

[0079] 5 / Move the 4mm locking screw 15 of the tool handle downward, confirm that the front cutting edge of the boring tool is horizontal, lock the boring tool 14, and the tool adjustment is completed.

[0080] The technical requirements of this embodiment are: the main cutting edge of the boring tool is in a horizontal position with the plane of the tool handle-1 to ensure the grinding accuracy. After the boring tool is adjusted, the tool handle 13 is removed and installed on the NT20 tool handle in the equipment, ready for grinding-five-axis CNC universal tool grinder-expanded application.

[0081] The performance of this embodiment: simple and practical.

[0082] The technology of this embodiment has the advantages of compact structure and convenient use.

[0083] The efficiency of this embodiment: safe, reliable and efficient.

[0084] The advantages and positive effects of this embodiment include:

[0085] 1 / The tool calibration device enables batch sharpening of ￠4×26mm boring cutters on CNC tool grinders, saving the external research cost of such boring cutters 53.0 yuan / piece×704 pieces / sharpening month×12 months=447,700 yuan / saving year, saving the rotation volume of new boring cutters 256.0 pieces, saving working capital 293.0 yuan×256 pieces=75,000 yuan,

[0086] 2 / Save RMB 500,000 in purchasing laser tool setting equipment.

[0087] 3 / Save working hours: Save 5.8 hours / month x 12 months = 69.6 hours.

[0088] The invention solves the problem of main cutting edge grinding of cemented carbide boring cutters, ensures the quality of tool re-grinding, saves tool costs and improves work efficiency.

[0089] The above embodiments describe the present invention in detail, but the contents are only preferred embodiments of the present invention and cannot be considered to limit the scope of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the present invention.

Claims

1. A precision boring tool and blade adjusting device, comprising a base (1), characterized in that: Also includes: A support and positioning mechanism, comprising a V-shaped tool handle support and positioning structure for positioning a tool handle or a tool standard part, and a tool body adjustment structure for adjusting the extension length of the tool body, wherein the V-shaped tool handle support and positioning structure is mounted on a base (1), and the tool body adjustment structure is mounted on the tool handle; A measuring mechanism, comprising a dial gauge (6) and a dial gauge seat for positioning and mounting the dial gauge (6), the dial gauge seat being mounted on a base (1), the dial gauge seat comprising a movable seat support seat (4) and a fixed seat support seat (2) which are relatively slidable or relatively locked; When the tip of the tool body is vertically aligned with the 0 degree line of the indexing table (6), the indexing table (6) measures according to the cutting edge angle of the tool body.

2. A precision boring tool and blade adjusting device according to claim 1, characterized in that: The V-shaped tool handle support and positioning structure comprises: A shank support seat (8) having a V-shaped shank seat at its upper portion, the shank support seat being mounted on the base (1) via a shank support seat fixing bolt (9); A handle pressing block (10) is mounted on a handle supporting seat (8) via a handle pressing block fixing bolt (11); a locking screw hole is formed through the handle pressing block (10); a handle locking rod is screwed onto the locking screw hole; and a handle locking handle (12) is mounted on the handle locking rod.

3. A precision boring tool and blade adjusting device according to claim 2, characterized in that: The locking screw hole, the tool handle locking rod and the tool handle locking handle (12) are located directly above the central axis of the V-shaped tool handle seat.

4. A precision boring tool and blade adjusting device according to claim 1, characterized in that: The tool body is a boring tool and a blade that is arranged at 90 degrees to the tool handle. The tool handle is provided with a tool handle mounting hole for receiving the tool body. The tool body adjustment structure comprises a locking top screw (15) and an adjustment top screw (16) that are arranged on the tool handle.

5. A precision boring tool and blade adjusting device according to claim 1, characterized in that: The micrometer (6) is locked on the moving meter seat support (4) by means of a micrometer locking bolt (7); the fixed meter seat support (2) is mounted on the base by means of a meter seat support bolt (3); the moving meter seat support (4) is mounted on the fixed meter seat support (2) and is capable of performing linear reciprocating motion along the fixed meter seat support (2); the moving meter seat support (4) is mutually locked with the fixed meter seat support (2) by means of a meter seat fixing bolt.

6. A precision boring tool and blade adjusting device according to claim 5, characterized in that: The two opposite outer side walls of the fixed meter seat support seat (2) are provided with sliding strips, and the two opposite inner side walls of the movable meter seat support seat (4) are provided with sliding grooves adapted to slide with the sliding strips.

7. A precision boring tool and blade adjusting device according to claim 5, characterized in that: A micrometer positioning plate is formed on the side of the movable gauge seat support seat (4) facing the tool handle support seat (8), and a strip opening groove is transversely provided on the micrometer positioning plate. A fastening hole for a micrometer measuring rod to pass through is provided in the strip opening groove. A micrometer locking bolt (7) for adjusting the opening size of the strip opening groove is also provided on the micrometer positioning plate.

8. A precision boring tool and blade adjusting device according to claim 5, characterized in that: The micrometer is mounted on a moving meter base support seat (4) via a rotating structure, a circular groove is provided in the middle of the rotating structure, a 360° dividing plate is rotatably provided in the circular groove, and the micrometer is mounted on the 360° dividing plate.

9. A precision boring tool and blade adjusting device according to claim 8, characterized in that: The 360° indexing disk is divided into 360 equal parts and marked with indexing scales. The 360° indexing disk is relatively rotated or relatively locked with the circular groove through a positioning structure.

10. A method for adjusting a precision boring tool or a blade adjusting device according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1. Use the tool calibration part to calibrate the micrometer (6), press in 0.2mm and then the needle will be at "0"; S2, rotate the knife handle locking handle (12) counterclockwise to place the knife handle into the V-shaped knife handle seat of the knife handle support seat (8), and then rotate the knife handle locking handle (12) clockwise to press the knife handle; S3. Rotate the two locking screws (15) on the top of the knife handle counterclockwise to insert the knife body into the installation hole of the knife handle; S4. Rotate the adjusting screw (16) at the end of the tool handle counterclockwise. After the tool is retracted, rotate the adjusting screw (16) clockwise again to push the tool body up. Move the movable base support (4). The probe of the micrometer (6) contacts the center of the tool body and the tool head. Adjust the tool body and the tool head repeatedly. Use the tool adjustment device to achieve the standard height requirement of the tool body grinding -32mm. The micrometer (6) has been calibrated in advance. At this time, the needle indicates "0"; S5. Move the locking screw (15) downward, make sure the front cutting edge of the cutter body is horizontal, lock the cutter body, and the cutter adjustment is complete.

Images