阅读说明：本技术 用于数控龙门铣床刀具对刀和校正的工具及方法 (Tool and method for tool setting and correction of numerical control planer type milling machine tool ) 是由 武勇 邓吉明 范红健 汪德全 于 2020-11-09 设计创作，主要内容包括：一种用于数控龙门铣床刀具对刀和校正的工具及方法,包括本体、磁铁、磁性开关、支撑架、百分表、百分表平头和基准座；其中,本体的侧面为吸附面,上部设有台阶通孔,磁铁和磁性开关设置于本体上且通过磁力将本体吸附于基准座上,支撑架固定于本体上,百分表平头固定于百分表的测量接触端且设置于台阶通孔中,百分表固定于支撑架上且测量接触端随该百分表平头在台阶通孔中一起滑动；在铣床的台面上安装所述工具,使刀具的刀尖接触百分表平头并获得各刀尖的高低差值,调整刀片的位置使所有刀尖在同一高度上,再将刀尖触及吸附面的下部,以此设定为刀具的基准零位。本发明实现了动态情况下的刀具校正和对刀,达到了校正准确、操作方便、提升效率、确保质量的效果。(A tool and a method for tool setting and correction of a numerical control planer type milling machine tool comprise a body, a magnet, a magnetic switch, a support frame, a dial indicator flat head and a reference seat; the side surface of the body is an adsorption surface, the upper part of the body is provided with a step through hole, the magnet and the magnetic switch are arranged on the body and adsorb the body on the reference seat through magnetic force, the support frame is fixed on the body, the flat head of the dial indicator is fixed on the measuring contact end of the dial indicator and is arranged in the step through hole, the dial indicator is fixed on the support frame, and the measuring contact end slides together with the flat head of the dial indicator in the step through hole; and mounting the tool on the table surface of the milling machine, enabling the tool nose of the tool to contact the flat head of the dial indicator and obtain the height difference value of each tool nose, adjusting the position of the blade to enable all the tool noses to be at the same height, and enabling the tool nose to contact the lower part of the adsorption surface so as to set the tool as the reference zero position. The invention realizes the cutter correction and cutter setting under the dynamic condition, and achieves the effects of accurate correction, convenient operation, efficiency improvement and quality assurance.)

1. A tool for tool setting and correction of a numerical control planer type milling machine tool is arranged on a table top of the numerical control planer type milling machine, and is characterized in that: the tool comprises a body, a magnet, a magnetic switch, a support frame, a dial indicator flat head and a reference seat; the base is fixed on the table board of the numerical control planer type milling machine, the side face of the body is an adsorption face in contact with the side face of the base, a step through hole with an opening in the adsorption face is formed in the upper portion of the body, the magnet is embedded in the body on the reverse side of the adsorption face and is adsorbed on the base through magnetic force, the magnetic switch is arranged on the body and controls the on-off of the magnetic force of the magnet, the support frame is fixed on the upper portion of the body, the flat head of the dial indicator is fixed on the measuring contact end of the dial indicator, the flat head of the dial indicator is arranged in the step through hole of the body and slides along the step through hole, the dial indicator is fixed on the support frame, and the measuring contact end of the dial indicator slides in the step through hole together with the flat head.

2. The tool for numerically controlled planer type milling machine tool setting and correcting as claimed in claim 1, wherein: the flat head of the dial indicator is a step short shaft, the large round end of the flat head is connected with the measuring contact end of the dial indicator, the small round end of the flat head extends into the small hole of the step through hole of the body, and the step of the step through hole is used for positioning the limit position of the flat head of the dial indicator.

3. The tool for numerically controlled planer type milling machine tool setting and correcting as claimed in claim 1, wherein: the flat head of the dial indicator is made of hard alloy.

4. The tool for numerically controlled planer type milling machine tool setting and correcting as claimed in claim 1, wherein: and a protruding positioning key is arranged at the bottom of the reference seat and is embedded into a T-shaped groove on the table board of the numerical control planer type milling machine so as to be matched with the tool for positioning.

5. A method for numerically controlled planer milling machine tool setting and correction implemented using the tool of claim 4, characterized by: and mounting the tool on the table top of the numerical control planomiller, enabling the tool tips of the cutter blades to contact the flat heads of the dial indicator, obtaining the height difference value of each tool tip through the reading of the dial indicator, adjusting the positions of the blades, controlling the positions of all the tool tips to be at the same height, and enabling the tool tips to contact the adsorption surface at the lower part of the body so as to set the reference zero position of the cutter.

6. The method for numerically controlled planer type milling machine tool setting and correcting as claimed in claim 5, wherein: the method comprises the following specific steps:

1) placing the reference seat on a table top of a numerical control gantry milling machine, embedding a positioning key of the reference seat into a T-shaped groove on the table top for positioning, moving the reference seat along the longitudinal direction of the T-shaped groove to ensure that the central line of the reference seat is superposed with the central line of a workpiece, and fastening the reference seat by using a bolt;

2) adsorbing the assembled body, the magnet, the magnetic switch, the support frame, the dial indicator and the dial indicator flat head on the reference seat through the adsorption surface according to the direction of the tool to be set, and then locking the magnetic switch;

3) the method comprises the steps that a tool needing tool setting faces the tool, the tool is moved to a flat head position of a dial indicator and is finely adjusted, the tool is inching through a main shaft of the numerical control planer type milling machine to rotate, the height of a tool tip of each blade on the tool is measured by using the flat head of the dial indicator, the height difference of each tool tip is recorded, the position of each blade is adjusted, and the tool tips of all the blades are ensured to be located at the same height;

4) and moving the cutter to enable the cutter point to contact with the adsorption surface at the lower part of the body, setting the highest point of the cutter, the adsorption surface of the body and the side surface of the reference seat on the same plane as each other to be a reference zero position of the cutter, and transferring the coordinate of the reference zero position to a coordinate system of a workpiece through coordinate conversion.

Technical Field

The invention relates to tool setting and correction of a machine tool cutter, in particular to a tool and a method for tool setting and correction of a numerical control planer type milling machine cutter, and belongs to the technical field of machining.

Background

Parts such as a marine diesel engine frame, a machine base and the like belong to large hexahedral workpieces, in order to facilitate processing and reduce workpiece turning, steering and turnover stations, a large numerical control planomiller is generally adopted for processing, a milling power angle accessory is used in the processing process, however, the accessory has an error after steering, and parameter compensation is difficult to accurately correct, so that accurate tool setting and correction are required to be continued after steering to ensure accurate processing. The original tool setting method adopts trial cut measurement confirmation, the operation is complex, errors exist in zero setting, ascending operation is involved, double monitoring is completed, and therefore the original method is low in efficiency and has potential safety hazards of ascending. Under the condition that the unit cost of the current large numerical control gantry milling machine is extremely expensive, the efficiency is low and the loss is considerable.

In a word, the original traditional method has a series of problems of complex operation, zero setting error, low efficiency, climbing operation, uncontrollable safety and the like.

Disclosure of Invention

The invention aims to solve the problems that: the tool and the method for quickly and accurately setting and correcting the cutter of the numerical control planer type milling machine overcome the defects that the conventional trial cutting tool setting method needs double-person ascending operation, errors exist in zero setting and the like, the tool and the method for quickly and accurately setting and correcting the cutter of the numerical control planer type milling machine are realized, the trial cutting is not carried out any more, the cutter is corrected and accessories are turned to the tool under the dynamic condition, and the effects of accurate correction, convenience in operation, improvement of efficiency and error reduction are achieved.

The technical scheme of the invention is as follows:

a tool for tool setting and correction of a numerical control planer type milling machine tool is arranged on a table top of the numerical control planer type milling machine, and is characterized in that: the tool comprises a body, a magnet, a magnetic switch, a support frame, a dial indicator flat head and a reference seat; the base is fixed on the table board of the numerical control planer type milling machine, the side face of the body is an adsorption face in contact with the side face of the base, a step through hole with an opening in the adsorption face is formed in the upper portion of the body, the magnet is embedded in the body on the reverse side of the adsorption face and is adsorbed on the base through magnetic force, the magnetic switch is arranged on the body and controls the on-off of the magnetic force of the magnet, the support frame is fixed on the upper portion of the body, the flat head of the dial indicator is fixed on the measuring contact end of the dial indicator, the flat head of the dial indicator is arranged in the step through hole of the body and slides along the step through hole, the dial indicator is fixed on the support frame, and the measuring contact end of the dial indicator slides in the step through hole together with the flat head.

Furthermore, the flat head of the dial indicator is a step short shaft, the large round end of the flat head is connected with the measuring contact end of the dial indicator, the small round end of the flat head extends into the small hole of the step through hole of the body, and the step of the step through hole positions the limit position of the flat head of the dial indicator.

Furthermore, the flat head of the dial indicator is made of hard alloy.

Furthermore, the bottom of the reference seat is provided with a protruding positioning key which is embedded into a T-shaped groove on the table board of the numerical control planer type milling machine so as to be matched with the T-shaped groove to position the tool.

The other technical scheme of the invention is as follows:

a method for tool setting and correction of a numerical control planer type milling machine tool realized by adopting the tool is characterized in that: and mounting the tool on the table top of the numerical control planomiller, enabling the tool tips of the cutter blades to contact the flat heads of the dial indicator, obtaining the height difference value of each tool tip through the reading of the dial indicator, adjusting the positions of the blades, controlling the positions of all the tool tips to be at the same height, and enabling the tool tips to contact the adsorption surface at the lower part of the body so as to set the reference zero position of the cutter.

Further, the method comprises the following specific steps:

1) placing the reference seat on a table top of a numerical control gantry milling machine, embedding a positioning key of the reference seat into a T-shaped groove on the table top for positioning, moving the reference seat along the longitudinal direction of the T-shaped groove to ensure that the central line of the reference seat is superposed with the central line of a workpiece, and fastening the reference seat by using a bolt;

2) adsorbing the assembled body, the magnet, the magnetic switch, the support frame, the dial indicator and the dial indicator flat head on the reference seat through the adsorption surface according to the direction of the tool to be set, and then locking the magnetic switch;

3) the method comprises the steps that a tool needing tool setting faces the tool, the tool is moved to a flat head position of a dial indicator and is finely adjusted, the tool is inching through a main shaft of the numerical control planer type milling machine to rotate, the height of a tool tip of each blade on the tool is measured by using the flat head of the dial indicator, the height difference of each tool tip is recorded, the position of each blade is adjusted, and the tool tips of all the blades are ensured to be located at the same height;

4) and moving the cutter to enable the cutter point to contact with the adsorption surface at the lower part of the body, setting the highest point of the cutter, the adsorption surface of the body and the side surface of the reference seat on the same plane as each other to be a reference zero position of the cutter, and transferring the coordinate of the reference zero position to a coordinate system of a workpiece through coordinate conversion.

The technical effects of the invention are as follows: the cutter is accurately corrected under the dynamic condition, the dial indicator is adopted to measure the cutter point of the blade, the reading reflects the height value of the cutter point, the cutter is visual and accurate, the cutter is not required to be lifted for trial cutting, only one-man operation is needed, the beneficial effects of improving the processing efficiency, reducing the reference zero setting error and liberating the labor force are achieved, and the cutter has the advantages of convenience in operation and visual correction.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is an enlarged view of a portion C of fig. 2.

In the figure, a 1-a body, a 11-an adsorption surface, a 2-a magnet, a 3-a magnetic switch, a 4-a dial indicator, a 5-a support frame, a 6-a reference seat, a 61-a side surface, a 62-a positioning key and a 7-a dial indicator flat head.

Detailed Description

The invention will be described in further detail with reference to the following figures and specific examples, which should not be construed as limiting the scope of the invention.

The invention is arranged on the table surface of the numerical control planomiller and is used for tool setting and correction of the milling machine tool.

Referring to fig. 1, the tool setting and correcting tool includes a body a1, a magnet a2, a magnetic switch a3, a support frame a5, a dial indicator a4, a dial indicator flat head a7, and a reference seat a 6.

The reference seat a6 is a cube-shaped member, one side a61 of the reference seat is used for mounting the body a1, please refer to fig. 2, the bottom of the reference seat a6 is provided with a protruding positioning key a62 which can be embedded into a T-shaped groove on the table-board of the numerical control planer type milling machine to position the tool in a matching manner and be fixed on the table-board of the numerical control planer type milling machine.

Referring to fig. 2, one side of the body a1 is an absorption surface a11 contacting with the side a61 of the reference seat, and a step through hole opened at the absorption surface a11 is formed at the upper part.

The supporting frame a5 is fixed on the upper part of the body a1, and the lever type dial indicator a4 is fixed on the supporting frame a 5.

Referring to fig. 3, the dial indicator flat head a7 is made of hard alloy through processing and fine grinding, and has stronger wear resistance; the flat head a7 of the dial indicator is a step short shaft, the big round end of the flat head a7 is fixedly connected with the measuring contact end of the dial indicator a4, and the small round end of the flat head a7 extends into the small hole of the step through hole of the body a1 and flexibly slides in the step through hole together with the measuring contact end of the dial indicator a 4. After the dial indicator a4, the dial indicator flat head a7 and the step through hole are arranged concentrically. The step of the step through hole is positioned at the limit position of the flat head a7 of the dial indicator, the end face of the flat head a7 of the dial indicator protrudes out of the adsorption surface of the body a1 by a fixed value of 1.1mm, and the initial setting protrusion value is 0.1 mm.

The magnet a2 is a high-magnetic magnet, and is embedded in the body a1 located on the opposite side of the adsorption surface a11, and the body a1 is adsorbed on the reference seat a6 by magnetic force, and the magnetic switch a3 is arranged on the body a1 and controls the on-off of the magnetic force of the magnet a 2.

The method for tool setting and correcting of the numerical control planer type milling machine tool comprises the steps of installing the tool on a table top of the numerical control planer type milling machine, enabling tool tips of tool blades to contact flat heads of a dial indicator, obtaining the height difference value of each tool tip through the reading of the dial indicator, adjusting the positions of the tool blades, controlling the positions of all the tool tips to be at the same height, and enabling the tool tips to contact an adsorption surface at the lower part of a body so as to set the tool as a reference zero position.

The method includes the following specific steps, please refer to fig. 1, fig. 2 and fig. 3 in combination:

1) and manufacturing the tool setting and correcting tool, placing the reference seat a6 on a table top of a numerical control planer type milling machine, embedding the positioning key a62 of the reference seat a6 into a T-shaped groove on the table top for positioning, moving the reference seat a6 along the Y direction of the T-shaped groove, ensuring that the Y-direction central line of the reference seat a6 is superposed with the central line of a workpiece, and fastening the reference seat a6 by using a trapezoidal bolt and the T-shaped groove on the table top.

2) Assembling the body a1, the magnet a2, the magnetic switch a3, the support frame a5, the dial indicator a4 and the dial indicator flat head a7 to ensure that the dial indicator a4 moves smoothly; the magnetic switch a3 is locked after being attracted to the datum seat a6 through the attraction surface a11 according to the direction of the tool to be set.

3) The method comprises the steps of enabling a cutter needing cutter setting to face a cutter setting and correcting tool, moving the cutter to a flat head a7 position of a dial indicator and finely adjusting the position, enabling the flat head a7 of the dial indicator to be initially set to protrude 0.1mm out of an adsorption surface a11, inching the cutter through a main shaft of a numerical control planer type milling machine to rotate, measuring the height of a cutter point of each cutter blade on the cutter by using the flat head a7 of the dial indicator, enabling the cutter blade to press the flat head a7 of the dial indicator and enabling the flat head a7 of the dial indicator to retract in the opposite direction when the cutter point of the cutter blade contacts the flat head a7 of the dial indicator, recording the height difference of each cutter point, adjusting the position of each cutter blade and ensuring that the cutter.

4) And moving the cutter to enable the cutter point to contact with an adsorption surface a11 at the lower part of the body a1, setting the highest point of the cutter, the adsorption surface a11 of the body a1 and the side surface a61 of the reference seat a6 on the same plane as each other as a reference zero position of the cutter, and transferring the coordinate of the reference zero position to the coordinate system of the workpiece through coordinate conversion.

In a word, the method can realize single-person operation, liberate labor force, correct the cutter under the dynamic condition, reduce the set error to a lower level and realize accessory steering cutter setting; the method overcomes the defects of the original method, achieves the effects of accurate correction, convenient and visual operation and no need of trial cutting by climbing, ensures the product quality and improves the processing efficiency.

The above embodiments are not intended to limit the scope of the present invention, and the claimed invention is not limited to the above embodiments, but also includes other obvious modifications and substitutions, and all equivalent changes and modifications made according to the contents of the present invention are within the scope of the present invention.