CN114453972B - Rapid tool setting method for numerical control machining tool - Google Patents
Rapid tool setting method for numerical control machining tool Download PDFInfo
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- CN114453972B CN114453972B CN202210040576.5A CN202210040576A CN114453972B CN 114453972 B CN114453972 B CN 114453972B CN 202210040576 A CN202210040576 A CN 202210040576A CN 114453972 B CN114453972 B CN 114453972B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
- B23Q15/22—Control or regulation of position of tool or workpiece
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Abstract
The utility model relates to the technical field of numerical control machining, and discloses a rapid tool setting method for a numerical control machining tool, which comprises the steps of establishing a corresponding machining coordinate system after a part is clamped, moving a main shaft to a set position, stopping the tool at the position of a set Z coordinate value, placing an adjustable tool setting block between a working table and a tool nose of the tool, adjusting a certain number of metal sheets of the tool setting block, enabling the adjustable tool setting block to just pass through a gap between the working table and the tool nose, and finally deviating the thickness values of the moved metal sheets to a Z-axis coordinate system to complete tool setting. The tool setting device can quickly set the tool in the machining process of the machine tool, check the accuracy of the state information of the tool and improve the machining precision and the tool setting efficiency.
Description
Technical Field
The application relates to the technical field of numerical control machining, in particular to a quick tool setting method for a numerical control machining tool.
Background
In the machining process, an accurate machining coordinate system is established, meanwhile, the influence of cutters with different sizes on machining needs to be considered, and in order to ensure that the technological requirements are met after the machining of the size of the part is finished, the position of the cutter point of the cutter relative to the machined part needs to be determined before the cutter is set.
At present, trial cutting tool setting and tool setting block tool setting are common tool setting methods. The trial cutting method is simple and convenient to tool, the tool is abraded to a certain extent in the trial cutting process, and the tool setting precision is low. The tool setting of the tool setting block is to use the tool setting block with a certain specification to determine the relative position of the tool nose of the tool and a machined part, because tools with different length sizes are needed in machining, the tool setting can be higher than the size of the tool setting block or lower than the size of the tool setting block, in order to ensure that the size of the part meets the requirement, an operator repeatedly moves to and from an operation panel of a machine tool and the part in the machine tool to determine the coordinate value of a Z axis required to be deviated in the operation panel, and time is consumed.
For example, in the prior art, the invention patent with the publication number of CN108044403A, the publication date of 2018, 05 and 18 is named as "a precise tool setting device and a tool setting method for a numerically controlled lathe", and the specific technical scheme thereof is as follows: the invention discloses a precise tool setting device and a tool setting method for a numerical control lathe. The device comprises a chuck, a tool rest and clamping jaws, wherein the chuck and the tool rest are arranged on a machine tool, the clamping jaws are arranged on the chuck and are used for fixing a workpiece, reference tools are respectively arranged on one side of four edges of the tool rest, and the four reference tools on the four edges are respectively a 90-degree outer circle rough turning tool, a 90-degree outer circle finishing turning tool, a cutting tool and a 60-degree threading tool; the method designs an automatic trial cutting method controlled by a program according to the thought of 'automatic tool setting → measurement → error compensation'. The device and the method have the advantages of simple and convenient operation, easy adjustment and strong universality, ensure the processing quality and precision requirements of the workpiece, improve the working efficiency and reduce the manufacturing cost of the part.
For another example, in the prior art, the invention patent with publication number CN105397549a, publication date 2016, 03, 16, entitled "method for changing point of workpiece with machine tool processing hole surface" has the specific technical scheme that: the invention discloses a method for changing a workpiece with a machined hole surface by a machine tool, which comprises the following steps: providing a magnetic feeler block with a working thickness, and finely processing two side surfaces of the magnetic feeler block in the working thickness direction; finish machining one side surface of the hole surface workpiece, and adsorbing the magnetic feeler block on the side surface of the hole surface workpiece; adding a dial indicator on a machine tool spindle, rotating the spindle to respectively perform dial detection on two side surfaces of the magnetic feeler block, respectively recording relative coordinate values of the two side surfaces of the magnetic feeler block, and taking the measured values of the two side surfaces of the magnetic feeler block by the dial indicator as corrected values during dial detection; and calculating the central coordinate value of the magnetic feeler block as the zero point coordinate of the machine tool machining according to the relative coordinate value and the correction value. The method has high zero finding precision.
In the prior art, the first prior art adopts a trial cutting method to perform tool setting, so that the problem of low tool setting precision exists, and the tool is also abraded to a certain extent in the trial cutting process. The second prior art discloses a magnetic feeler block, but the subject of the invention is a method for establishing a part machining coordinate origin when machining a part, which is greatly different from the subject of the invention and the technical problems solved by the subject of the application.
Disclosure of Invention
In order to overcome the problems and the defects in the prior art, the application provides a rapid tool setting method for a numerical control machining tool, which can simply and rapidly adjust the relative positions of the tool and a machined part.
In order to achieve the above object of the invention, the technical solution of the present application is as follows:
a quick tool setting method for a numerical control machining tool comprises the steps of establishing a corresponding machining coordinate system after parts are clamped, moving a main shaft to a set position, stopping the tool at the set Z coordinate value position, placing an adjustable tool setting block between a working table and a tool nose of the tool, adjusting a metal sheet of the adjustable tool setting block, enabling the adjustable tool setting block to just pass through a gap between the working table and the tool nose of the tool, lifting the main shaft, deviating the thickness value of the metal sheet of the moved adjustable tool setting block to a Z-axis coordinate system, and finally finishing tool setting.
Further, after the part is clamped, a corresponding machining coordinate system is established, and the method comprises the following steps:
after the part is clamped, the machining origin of the part is located 10mm above the working table surface, a machining coordinate system is established, and corresponding tools are selected to be installed according to process requirements.
Further, the moving the spindle to a set position and then stopping the tool at the set Z-coordinate value position includes:
starting a multiplying power switch, firstly observing whether a cutter interferes with a part or not in the moving process of a main shaft, then moving the main shaft to a set position, and controlling the multiplying power switch to enable the cutter to slowly descend along the negative direction of a Z-axis coordinate system and stop at the set Z-coordinate value position; and if the tool interferes with the part in the moving process of the main shaft, raising the tool on the main shaft to a safe height along the Z coordinate axis, and then performing the operation steps again.
Furthermore, the adjustable tool setting block comprises a cylinder, a fixing shaft and a plurality of metal sheets, the fixing shaft is arranged on the top surface of the cylinder, the metal sheets are connected with the fixing shaft and can rotate around the fixing shaft by taking the fixing shaft as an axis, and the metal sheets are made of magnetic materials.
The beneficial effect of this application:
(1) This application can the relative position of quick adjustment cutter knife tip and processing part, guarantees higher tool setting precision, has not only improved the machining precision, has still reduced the time that operating personnel come and go operating panel and lathe simultaneously, has effectively promoted machining efficiency.
(2) According to the method and the device, the number of times of adjusting the Z coordinate axis direction by operators can be reduced, the Z coordinate axis direction is effectively prevented from being reversely adjusted due to manual misoperation, and the safety protection of the spindle and the cutter is improved.
(3) According to the characteristics of the tool setting method for the tool setting block, the adjustable tool setting block is designed in a targeted manner, and the tool setting block has the advantages of good machinability, simple structure, convenience in operation, good universality and lower manufacturing cost.
Drawings
FIG. 1 is a tool setting schematic diagram of the present application;
FIG. 2 is a schematic diagram of an adjustable pair of cutter blocks according to the present application.
In the drawings:
1. a part; 2. a main shaft; 3. a cutter; 4. the tool setting block can be adjusted; 5. a work table; 6. a part machining origin; 41. a cylinder; 42. a fixed shaft; 43. a metal sheet.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions for achieving the objects of the present application will be further described below by using several specific examples, and it should be noted that the technical solutions claimed in the present application include, but are not limited to, the following examples. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
At present, in the prior art, the trial cutting tool setting and the tool setting block tool setting are common tool setting methods. The trial cutting method is simple and convenient in tool setting, certain abrasion can be caused to the tool in the trial cutting process, the tool setting precision is low, the tool setting of the tool setting block is realized by using the tool setting block with a certain specification to determine the relative position of the tool point of the tool and a machined part, and the tool setting of the tool setting block is higher than the size of the tool setting block or lower than the size of the tool setting block due to the fact that tools with different length sizes are needed in machining, so in order to ensure that the size of the part meets the requirement, an operator needs to repeatedly move an operation panel of the machine tool and the part in the machine tool to determine a coordinate value of a Z axis required to deviate in the operation panel, time is consumed, and the working efficiency is low.
Therefore, the embodiment provides the quick tool setting method for the numerical control machining tool, the method can simply and quickly adjust the relative positions of the tool and the machined part, higher tool setting precision is guaranteed, and meanwhile machining efficiency can be effectively improved.
Referring to the attached figure 1 of the specification, the method specifically comprises the following steps:
the method comprises the following steps: after the part is clamped, the part machining origin 6 is located 10mm above the working table surface 5, a machining coordinate system is established, the corresponding cutter 3 is selected to be installed according to the process requirements, and the cutter 3 is fixed on the main shaft.
Step two: selecting a working table 5 for tool setting, inputting a tool setting program into an operation panel of the numerical control machine tool, taking a Siemens 840D operation system as an example, selecting a corresponding coordinate system, and inputting the tool setting program into an MDI interface.
Step three: starting a multiplying power switch, observing whether the main shaft 2 interferes with a part in the moving process, moving the main shaft to a set position, and controlling the multiplying power switch to enable the cutter 3 to slowly descend along the negative direction of a Z-axis coordinate system and stop at the set Z-coordinate position; if the tool 3 on the spindle 2 interferes with the part in the process of moving the spindle 2, the tool 3 is lifted to a safe height along the Z coordinate axis, and then the above operation steps are carried out again.
Step four: the adjustable tool setting block 4 is placed between the working table surface 5 and the tool nose of the tool 3, the metal sheets 43 are adjusted according to the actual distance, after a certain number of metal sheets 43 are rotated, the adjustable tool setting block 4 is placed between the working table surface 5 and the tool nose of the tool 3 again, and the adjustable tool setting block can just pass through the gap between the working table surface 5 and the tool nose of the tool 3 (namely, the distance between the working table surface 5 and the tool nose of the tool 3 just enables the adjustable tool setting block 4 to pass through).
Step five: and lifting the main shaft 2, and shifting the total thickness value of the metal sheet 43 rotating in the fourth step to a Z-axis coordinate system of the machine tool on an operation panel.
Step six: and repeating the third step and the fourth step, checking the tool setting position, and finally finishing tool setting.
The method can quickly adjust the relative position of the tool nose of the tool and the machined part, ensures higher tool setting precision, not only improves the machining precision, but also reduces the time for operators to come and go to the operation panel and the machine tool, and effectively improves the machining efficiency.
Furthermore, the method can also reduce the times of adjusting the Z coordinate axis direction by operators, effectively avoid the reverse adjustment of the Z coordinate axis direction due to manual misoperation, and improve the safety protection of the main shaft and the cutter.
Further, based on the same inventive concept, the present embodiment provides an adjustable tool setting block for rapid tool setting of a data processing tool according to the characteristics of the tool setting block tool setting method, referring to fig. 2 in the specification, the adjustable tool setting block 4 includes a cylinder 41, a fixing shaft 42 and a plurality of metal sheets 43, wherein the fixing shaft 42 is disposed on the top surface of the cylinder 41, and the plurality of metal sheets 43 are rotatably connected with the fixing shaft 42 and can rotate around the fixing shaft 42 with the fixing shaft 42 as an axis; further, the metal sheets 43 are magnetic metal sheets and made of magnetic materials, and in the tool setting process, the metal sheets 43 can be guaranteed to be attached to each other and the positions of the metal sheets are relatively fixed.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present application and for simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the present application.
In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The foregoing is directed to embodiments of the present invention, which are not limited thereto, and any simple modifications and equivalents thereof according to the technical spirit of the present invention may be made within the scope of the present invention.
Claims (3)
1. A quick tool setting method for a numerical control machining tool is characterized by comprising the following steps: after the part (1) is clamped, establishing a corresponding machining coordinate system, moving the main shaft (2) to a set position, stopping the cutter (3) at the set Z coordinate value position, placing the adjustable tool setting block (4) between the working table top (5) and the cutter point of the cutter (3), adjusting a metal sheet (43) of the adjustable tool setting block (4), enabling the adjustable tool setting block (4) to just pass through a gap between the working table top (5) and the cutter point of the cutter (3), finally lifting the main shaft (2), shifting the thickness value of the metal sheet (43) of the movable adjustable tool setting block (4) to a Z-axis coordinate system, and finally finishing tool setting;
adjustable feeler block (4) include cylinder (41), fixed axle (42) and a plurality of sheetmetal (43), fixed axle (42) set up the top surface at cylinder (41), and sheetmetal (43) are connected with fixed axle (42) to can use fixed axle (42) as the axle center, rotate around fixed axle (42), sheetmetal (43) are made by magnetic material and are formed.
2. The rapid tool setting method for the numerical control machining tool according to claim 1, characterized in that after the part (1) is clamped, a corresponding machining coordinate system is established, and the method comprises the following steps:
after the part (1) is clamped, the part machining origin (6) is located 10mm above the working table surface (5), a machining coordinate system is established, and the corresponding cutter (3) is selected to be installed according to the process requirements.
3. The fast tool setting method for the numerical control machining tool according to claim 1, characterized in that the moving the main shaft (2) to a set position and then stopping the tool (3) at a set Z coordinate value position comprises:
starting a multiplying power switch, firstly observing whether a cutter (3) interferes with a part (1) or not in the moving process of a main shaft (2), then moving the main shaft (2) to a set position, and controlling the multiplying power switch to enable the cutter (3) to slowly descend along the negative direction of a Z-axis coordinate system and stop at the set position of a Z coordinate value; if the cutter (3) interferes with the part in the moving process of the main shaft (2), the cutter (3) on the main shaft (2) is lifted to a safe height along the Z coordinate axis, and then the operation steps are carried out again.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210040576.5A CN114453972B (en) | 2022-01-14 | 2022-01-14 | Rapid tool setting method for numerical control machining tool |
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| CN202210040576.5A CN114453972B (en) | 2022-01-14 | 2022-01-14 | Rapid tool setting method for numerical control machining tool |
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| CN114453972B true CN114453972B (en) | 2022-12-13 |
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| JP2021030315A (en) * | 2019-08-14 | 2021-03-01 | ファナック株式会社 | On-machine measuring device, machine tool, and on-machine measuring method |
| CN113681350A (en) * | 2021-08-30 | 2021-11-23 | 牟贞学 | CNC digit control machine tool non-contact tool setting appearance |
| CN214869132U (en) * | 2021-01-18 | 2021-11-26 | 厦门晟浚源科技有限公司 | Tool setting device of numerical control machining center |
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2022
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Patent Citations (11)
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| US6230070B1 (en) * | 1997-07-23 | 2001-05-08 | Fuji Seiki Co., Ltd. | Work position adjusting apparatus and adjusting method |
| CN2618723Y (en) * | 2003-04-30 | 2004-06-02 | 林丽卿 | Z shaft setting device structure |
| CN101422866A (en) * | 2008-11-18 | 2009-05-06 | 苏州电加工机床研究所 | On-line quick cutter presetting device of numerical control efficient discharging milling machine |
| JP2014087882A (en) * | 2012-10-30 | 2014-05-15 | Toshiba Mach Co Ltd | Method for measuring tool length, and machine tool |
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| CN113681350A (en) * | 2021-08-30 | 2021-11-23 | 牟贞学 | CNC digit control machine tool non-contact tool setting appearance |
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