Automatic tool setting device for numerical control machine tool
The position of the workpiece is detected by optical fiber sensors, combined with the control terminal and device, and automatic tool alignment of the CNC machine tool is realized, solving the problems of wear and unstable measurement in high vibration environments caused by contact tool alignment, and achieving the accuracy and stability of workpiece positioning.
Patent Information
- Application Number
- CN202422340148.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-25
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-09-25
AI Technical Summary
The contact tooling method of existing CNC machine tools may cause wear on the workpiece and cause unstable measurement results in high vibration environments.
The optical fiber sensor is used to detect the position of the workpiece, and the optical fiber sensor is blocked by the workpiece by changing the position of the detection device, so as to realize automatic tool alignment, avoid contact with the workpiece, and combine the control terminal and the control device to realize automatic tool alignment of the tool.
Improve the accuracy and stability of workpiece positioning, avoid wear caused by contact tooling, and maintain the stability of the measurement effect in a high vibration environment.
Smart Images
Figure CN223130167U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of numerical control machine tools, in particular to an automatic tool setting device for a numerical control machine tool. Background Art
[0002] A numerical control machine tool, abbreviated as a CNC machine tool, is an automated machine tool equipped with a program control system. This control system can logically process programs specified by control codes or other symbolic instructions, decode them, represent them in coded numbers, input them into the numerical control device through an information carrier, and after arithmetic processing, the numerical control device issues various control signals to control the actions of the machine tool, and automatically processes parts according to the shape and size required by the drawing.
[0003] Tool setting for a CNC lathe is an indispensable part of machine tool processing. It is an important link to ensure the machining accuracy of the machine tool. The purpose of tool setting is to determine the relative position between the tool and the workpiece, so that the tool can accurately machine the required part shape and size. The existing tool setting methods are mostly contact type, which may cause wear to the workpiece, especially when measuring hard materials, the wear may be more serious. In addition, since the measurement process is affected by environmental vibration, in a high-vibration environment, it may affect the measurement result and the measurement effect is unstable. Therefore, an automatic tool setting device for a numerical control machine tool is needed. Summary of the Utility Model
[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide an automatic tool setting device for a numerical control machine tool, which can solve the problems that the contact type may cause wear to the workpiece, affect the measurement result in a high-vibration environment, and the measurement effect is unstable.
[0005] To achieve the above purpose, the utility model provides the following technical solution: an automatic tool setting device for a numerical control machine tool, including a numerical control machine tool and a detection mechanism. A working chamber is opened inside the numerical control machine tool, and a control terminal is fixedly connected to the surface of the numerical control machine tool. The detection mechanism includes a second motor, a lead screw, a slider, an electric push rod II, a detection device, and a slide bar. The second motor is fixedly connected inside the numerical control machine tool, the lead screw is fixedly connected to the output end of the second motor, the end of the lead screw away from the second motor is rotatably connected to the numerical control machine tool, the slider is threadedly sleeved on the outer surface of the lead screw, the electric push rod II is fixedly connected to the bottom of the slider, the detection device is fixedly connected to the bottom of the electric push rod II, the slide bar is fixedly connected to the numerical control machine tool, and the slider is slidably connected to the slide bar.
[0006] Preferably, a first motor is fixedly connected inside the numerical control machine tool, a fixed plate is fixedly connected inside the numerical control machine tool, a four-jaw chuck is fixedly connected to the output end of the first motor, the four-jaw chuck is rotatably connected to the fixed plate, and a workpiece is arranged on the four-jaw chuck.
[0007] Preferably, a control device is fixedly connected inside the numerical control machine tool. An electric push rod is fixedly connected inside the control device. One end of the electric push rod is fixedly connected with a clamping member, and a tool is arranged on the clamping member.
[0008] Preferably, the center heights of the four-jaw chuck and the clamping member are the same.
[0009] Preferably, the detection device is electrically connected to the control terminal through a data cable.
[0010] Preferably, the control device is electrically connected to the control terminal.
[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0012] 1. For the automatic tool setting device of the numerical control machine tool, by changing the position of the detection device, the range in which the fiber optic sensor arranged thereon is blocked by the workpiece is used to detect the position of the workpiece, and the position is fed back to the control terminal. The control terminal then changes the position of the tool through the control device to achieve automatic tool setting. The detection mechanism makes the positioning of the workpiece easier, and the use of the fiber optic sensor can avoid contact with the workpiece and still achieve automatic tool setting, solving the problems that contact tool setting may cause wear to the workpiece, affect the measurement results in a high-vibration environment, and the measurement effect is unstable. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The following further illustrates the present utility model with reference to the drawings and embodiments:
[0014] Figure 1 is a schematic diagram of the body of the present utility model;
[0015] Figure 2 is an internal schematic diagram of the present utility model;
[0016] Figure 3 is of the present utility model Figure 2 schematic diagram at position A in.
[0017] Reference numerals: 1, numerical control machine tool; 2, control terminal; 3, working chamber; 4, first motor; 5, fixing plate; 6, four-jaw chuck; 7, workpiece; 8, electric push rod; 9, clamping member; 10, tool; 11, control device; 12, second motor; 13, lead screw; 14, slider; 15, second electric push rod; 16, detection device; 17, slide bar. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0018] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The function of the accompanying drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model. However, it should not be construed as a limitation on the protection scope of the present utility model.
[0019] In the description of the present utility model, it should be understood that with respect to the orientation description, such as the upper, lower, front, rear, left, right, etc., the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the present utility model.
[0020] In the description of the present utility model, "greater than", "less than", "exceeding", etc. are understood as not including the number itself, and "above", "below", "within", etc. are understood as including the number itself. If there is a description of "first" and "second", it is only for the purpose of distinguishing technical features and cannot be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or the sequence relationship of the indicated technical features.
[0021] In the description of the present utility model, unless otherwise clearly defined, terms such as "set", "installed", "connected", etc. should be understood in a broad sense. Those skilled in the art can reasonably determine the specific meanings of the above terms in the present utility model in combination with the specific content of the technical solution.
[0022] Please refer to Figures 1-3, the present utility model provides a technical solution: an automatic tool setting device for a numerical control machine tool, including a numerical control machine tool 1 and a detection mechanism. A working chamber 3 is provided inside the numerical control machine tool 1, and a control terminal 2 is fixedly connected to the surface of the numerical control machine tool 1. The detection mechanism includes a second motor 12, a lead screw 13, a slider 14, an electric push rod two 15, a detection device 16, and a slide bar 17. The second motor 12 is fixedly connected inside the numerical control machine tool 1, the lead screw 13 is fixedly connected to the output end of the second motor 12, and one end of the lead screw 13 away from the second motor 12 is rotatably connected to the numerical control machine tool 1. The slider 14 is threadedly sleeved on the outer surface of the lead screw 13, the electric push rod two 15 is fixedly connected to the bottom of the slider 14, the detection device 16 is fixedly connected to the bottom of the electric push rod two 15, the detection device 16 is electrically connected to the control terminal 2 through a data cable, the slide bar 17 is fixedly connected to the numerical control machine tool 1, and the slider 14 is slidably connected to the slide bar 17. After the workpiece is fixed, the second motor 12 is started to drive the lead screw 13 to rotate, so that the slider 14 can move on the surface of the lead screw 13. The slide bar 17 can make the movement of the slider 14 more stable. The movement of the slider 14 can change the horizontal position of the detection device 16, and the movement of the detection device 16 can be controlled by the telescopic movement of the electric push rod two 15, thereby changing the vertical position of the detection device 16. A fiber optic sensor is provided on the detection device 16. By changing the position of the detection device 16, the range in which the fiber optic sensor provided thereon is blocked by the workpiece can be used to detect the position of the workpiece and feedback it to the control terminal 2. The control terminal 2 then changes the position of the tool 10 through the control device 11 to achieve automatic tool setting. The detection mechanism makes the positioning of the workpiece easier, and the use of a fiber optic sensor can also achieve automatic tool setting without contacting the workpiece, solving the problems that contact tool setting may cause wear to the workpiece, affect the measurement results in a high-vibration environment, and the measurement effect is unstable.
[0023] Furthermore, a first motor 4 is fixedly connected inside the numerical control machine tool 1, a fixed plate 5 is fixedly connected inside the numerical control machine tool 1, a four-jaw chuck 6 is fixedly connected to the output end of the first motor 4, the four-jaw chuck 6 is rotatably connected to the fixed plate 5, and a workpiece 7 is provided on the four-jaw chuck 6. The workpiece 7 can be clamped and fixed through the four-jaw chuck 6. By driving the four-jaw chuck 6 to rotate through the first motor 4, the rotation of the workpiece 7 can be achieved. A control device 11 is fixedly connected inside the numerical control machine tool 1, the control device 11 is electrically connected to the control terminal 2, the control device 11 can control the position of 10 to achieve automatic tool setting, an electric push rod 8 is fixedly connected inside the control device 11, a clamping member 9 is fixedly connected to one end of the electric push rod 8, a tool 10 is provided on the clamping member 9, and the center heights of the four-jaw chuck 6 and the clamping member 9 are the same.
[0024] Working principle: The workpiece 7 can be clamped and fixed through the four-jaw chuck 6. By driving the four-jaw chuck 6 to rotate with the first motor 4, the rotation of the workpiece 7 can be realized. After the workpiece is fixed, start the second motor 12 to drive the lead screw 13 to rotate, so that the slider 14 can move on the surface of the lead screw 13. The slide bar 17 can make the movement of the slider 14 more stable. The movement of the slider 14 can change the horizontal position of the detection device 16, and the movement of the detection device 16 can be controlled by the telescopic movement of the second electric push rod 15, thereby changing the vertical position of the detection device 16. A fiber optic sensor is provided on the detection device 16. By changing the position of the detection device 16, the range in which the fiber optic sensor provided thereon is blocked by the workpiece can be used to detect the position of the workpiece and feedback it to the control terminal 2. The control terminal 2 then changes the position of the tool 10 through the control device 11 to realize automatic tool setting.
[0025] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art in the technical field, various changes can be made without departing from the gist of the present invention.
Claims
1. An automatic tool setting device for a numerical control machine tool, characterized in that, Including: A numerical control machine tool (1) has a working chamber (3) opened inside it, and a control terminal (2) is fixedly connected to the surface of the numerical control machine tool (1). A detection mechanism, which includes a second motor (12), a lead screw (13), a slider (14), an electric push rod two (15), a detection device (16) and a slide bar (17). The second motor (12) is fixedly connected inside the numerical control machine tool (1), the lead screw (13) is fixedly connected to the output end of the second motor (12), one end of the lead screw (13) away from the second motor (12) is rotatably connected to the numerical control machine tool (1), the slider (14) is threadedly sleeved on the outer surface of the lead screw (13), the electric push rod two (15) is fixedly connected to the bottom of the slider (14), the detection device (16) is fixedly connected to the bottom of the electric push rod two (15), the slide bar (17) is fixedly connected to the numerical control machine tool (1), and the slider (14) is slidably connected to the slide bar (17).
2. The automatic tool setting device for a numerical control machine tool according to claim 1, characterized in that, A first motor (4) is fixedly connected inside the numerical control machine tool (1), a fixing plate (5) is fixedly connected inside the numerical control machine tool (1), the output end of the first motor (4) is fixedly connected with a four-jaw chuck (6), the four-jaw chuck (6) is rotatably connected to the fixing plate (5), and a workpiece (7) is arranged on the four-jaw chuck (6).
3. An automatic tool setting device for a numerically controlled machine tool according to claim 1, characterized in that, A control device (11) is fixedly connected inside the numerical control machine tool (1), an electric push rod (8) is fixedly connected inside the control device (11), one end of the electric push rod (8) is fixedly connected with a clamping member (9), and a cutting tool (10) is arranged on the clamping member (9).
4. An automatic tool setting device for a numerical control machine tool according to claim 2, characterized in that, The centers of the four-jaw chuck (6) and the clamping member (9) are at the same height.
5. An automatic tool setting device for a numerical control machine tool according to claim 1, characterized in that, The detection device (16) is electrically connected to the control terminal (2) through a data cable.
6. The automatic tool setting device for a numerical control machine tool according to claim 3, characterized in that, The control device (11) is electrically connected to the control terminal (2).