A built-in length detection module for machine tools
By building a length detection module on the CNC lathe, the collaborative work of the lateral drive assembly, clamping assembly, pressing assembly and height measurement assembly is solved, and the problem of workpiece length error during automatic processing of CNC lathes is achieved efficient and accurate automated measurement.
Patent Information
- Application Number
- CN202421407517.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-06-20
AI Technical Summary
During automated processing, the existing CNC lathes have a workpiece length error due to machine tool thermal displacement, insufficient workpiece allowance, tool wear, etc. The existing measurement methods cannot be fully automated, and the measurement efficiency is not high.
Design a built-in length detection module for machine tools, including bottom plate, lateral drive assembly, clamp assembly, press assembly and height measurement assembly, through the collaborative work of these components, automatic measurement of workpieces is realized.
It realizes high-precision automated measurement of workpiece length, improves measurement efficiency and accuracy, and simplifies the operation process.
Smart Images

Figure CN222726215U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of numerical control machine tools, in particular to a built-in length detection module for machine tools. Background Art
[0002] A CNC machine tool is an automated machine tool equipped with a program control system. After calculation and processing, the CNC device sends various control signals to control the movement of the machine tool and automatically processes parts according to the shape and size required by the drawing. During automated processing, existing CNC lathes may cause workpiece length errors due to thermal displacement of the machine tool, insufficient workpiece allowance, tool wear, etc. The previous method required manual inspection and then compensation on the machine tool, which easily caused batch quality problems.
[0003] In the prior art, the Chinese patent document (Announcement No.: CN215373753U, Patent Name: A cross measuring ruler for high-precision measurement of workpieces of data machine tools) discloses in the technical scheme that "it includes a base plate, the upper end of the base plate is provided with four slide grooves, the four slide grooves are interconnected, the upper end of the base plate is filled with a plurality of scales, the plurality of scales are located at the upper end of the slide groove, a slide plate is slidably connected in the slide groove, the left end of the slide plate is rotatably connected with a rotating shaft, the left end of the rotating shaft is fixedly connected with a pressing plate, the outer end of the pressing plate is fixedly connected with two fixed blocks, the fixed blocks are located in the slide groove, the slide groove is provided with a plurality of evenly distributed card grooves, the card grooves match the fixed blocks, the outer end of the slide plate is fixedly connected with an indicator needle, the indicator needle is located on the upper side of the scale, a marker pen is installed on the upper end of the base plate, the marker pen is located on the upper side of the slide groove, a limiting ring is sleeved on the outer end of the marker pen, and the limiting ring is fixedly connected to the base plate."
[0004] Combined with the description and drawings of the patent document, when using this device, the workpiece needs to be placed manually on the base plate, the fixing block needs to be disengaged from the slot by pressing the pressing plate, and then the slide plate is pushed to fix the workpiece, and finally the workpiece is measured with a cross measuring ruler. This measurement method cannot be fully automated and the measurement efficiency is not high enough. Utility Model Content
[0005] The utility model overcomes the shortcomings of the prior art, provides a built-in length detection module for a machine tool, automatically measures workpieces, and improves measurement efficiency.
[0006] In order to solve the above technical problems, the utility model is achieved through the following technical solutions:
[0007] A built-in length detection module for a machine tool comprises a base plate, a lateral driving component is arranged above the base plate, a clamping component is slidably arranged on the lateral driving component, a pressing component is arranged on the side of the clamping component, and a height measuring component is arranged on the pressing component.
[0008] Furthermore, the pressing assembly includes a first support plate, a slide rail is provided on one side of the first support plate, a cylinder is provided on the other side of the first support plate, a mounting plate is provided at the end of the cylinder rod of the cylinder, a connecting plate is provided below the end of the mounting plate, a pressure plate is provided on one side of the connecting plate, and a plurality of sliders are provided on the other side of the connecting plate, and the sliders are slidably arranged on the slide rail.
[0009] Furthermore, the height measuring assembly includes a clamping and adjusting block, which is arranged on the side of the cylinder. The clamping and adjusting block is provided with a displacement sensor, which is arranged below the mounting plate.
[0010] Furthermore, an upper pressing block is arranged below the pressing plate, and a lower pressing block is arranged between the clamping assembly and the height measuring assembly, and the upper pressing block and the lower pressing block are used correspondingly.
[0011] Furthermore, the lateral drive assembly includes a second support plate, the second support plate is provided with a slide cylinder, and the slide cylinder is slidably provided with a moving plate.
[0012] Furthermore, the clamping assembly includes a clamping cylinder, which is arranged on the movable plate and is connected to a first clamping jaw and a second clamping jaw.
[0013] Furthermore, the lower surface of the upper pressing block and the upper surface of the lower pressing block are both flat surfaces.
[0014] Furthermore, the clamping adjustment block is provided with a clamping hole, the displacement sensor is arranged on the clamping hole, the clamping hole is connected with an opening, and connecting holes are arranged on both sides of the opening.
[0015] Furthermore, the bottom plate is provided with a plurality of mounting holes.
[0016] Compared with the prior art, the beneficial effects of the utility model are:
[0017] The displacement sensor is a high-precision displacement sensor used to measure the height of the workpiece. The workpiece is clamped by the clamping assembly, and the workpiece is transported to the lower pressing block using the lateral driving assembly. The workpiece is then pressed by the pressing assembly, so that the height measuring assembly measures the height of the workpiece. The operation is simple and quick, and the use of automated measurement effectively improves the measurement efficiency and accuracy. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The accompanying drawings are used to provide a further understanding of the present invention and are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation of the present invention. In the accompanying drawings:
[0019] Figure 1 This is a general diagram of a built-in length detection module for a machine tool according to an embodiment of the utility model;
[0020] Figure 2It is a schematic diagram of a transverse drive assembly and a clamping assembly of an embodiment of the utility model;
[0021] Figure 3 It is a schematic diagram of a pressing component and a height measuring component of an embodiment of the utility model;
[0022] Figure 4 It is a schematic diagram of the first support plate and the height measuring assembly of an embodiment of the utility model.
[0023] In the figure: 1-base plate, 101-mounting hole, 2-lateral drive assembly, 201-second support plate, 202-slide cylinder, 203-moving plate, 3-clamping assembly, 301-clamping cylinder, 302-first clamping jaw, 303-second clamping jaw, 4-pressing assembly, 401-first support plate, 402-slide rail, 403-cylinder, 404-mounting plate, 405-connecting plate, 406-pressing plate, 407-slider, 408-upper pressing block, 5-height measuring assembly, 501-clamping adjustment block, 5011-clamping hole, 5012-opening, 5013-connecting hole, 502-displacement sensor, 6-lower pressing block, 7-workpiece. DETAILED DESCRIPTION
[0024] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.
[0025] like Figures 1 to 4 As shown, a built-in length detection module for a machine tool comprises a base plate 1, a transverse driving component 2 is arranged above the base plate 1, a clamping component 3 is slidably arranged on the transverse driving component 2, a pressing component 4 is arranged on the side of the clamping component 3, and a height measuring component 5 is arranged on the pressing component 4. The clamping component 3 is used to clamp a workpiece 7, and the clamping component 3 is driven by the transverse driving component 2 to move in one direction to transport the workpiece 7 to the lower pressing block 6, and then the workpiece 7 is pressed by the pressing component 4, so that after the height measuring component 5 measures the height of the workpiece 7, the pressing component 4 stops pressing, and the clamping component 3 clamps the workpiece 7 and moves in another direction through the transverse driving component 2 to unload. The operation is simple and quick, and the use of automated measurement effectively improves the measurement efficiency and measurement accuracy.
[0026] Specifically, Figure 2 As shown, the transverse drive assembly 2 includes a second support plate 201, the second support plate 201 is provided with a slide cylinder 202, the slide cylinder 202 is slidably provided with a movable plate 203, the movable plate 203 is driven to move transversely by the movement of the piston in the slide cylinder 202, and the movable plate 203 drives the clamping assembly 3 to move transversely.
[0027] The clamping assembly 3 includes a clamping cylinder 301, which is arranged on the movable plate 203. The clamping cylinder 301 is connected to a first clamping jaw 302 and a second clamping jaw 303. The clamping cylinder 301 is moved by compressed air. When the first clamping jaw 302 and the second clamping jaw 303 are closed, the workpiece 7 is clamped. When the first clamping jaw 302 and the second clamping jaw 303 are opened, the workpiece 7 is released.
[0028] like Figure 3 As shown, the pressing assembly 4 includes a first support plate 401, a slide rail 402 is arranged on one side of the first support plate 401, a cylinder 403 is arranged on the other side of the first support plate 401, a mounting plate 404 is arranged at the end of the cylinder rod of the cylinder 403, a connecting plate 405 is arranged below the end of the mounting plate 404, a pressing plate 406 is arranged on one side of the connecting plate 405, and a plurality of sliders 407 are arranged on the other side of the connecting plate 405, and the sliders 407 are slidably arranged on the slide rail 402, and the height measuring assembly 5 includes a clamping adjustment block 501, the clamping adjustment block 501 is arranged on the side of the cylinder 403, the clamping adjustment block 501 is provided with a displacement sensor 502, the displacement sensor 502 is arranged below the mounting plate 404, and a connecting plate 405 is arranged below the pressing plate 406. There is an upper pressing block 408, and a lower pressing block 6 is arranged between the clamping component 3 and the height measuring component 5. The upper pressing block 408 and the lower pressing block 6 are used correspondingly. The displacement sensor 502 is a high-precision displacement sensor for measuring the height of the workpiece 7. When the workpiece is placed on the lower pressing block 6, the cylinder 403 drives the cylinder rod to retract and drive the mounting plate 404 to move downward, and the mounting plate 404 drives the connecting plate 405 and the pressing plate 406 to move downward, thereby pressing the upper pressing block 408 and the upper end surface of the workpiece 7, so that the displacement sensor 502 obtains the measurement data of the workpiece 7, and the cylinder 403 drives the cylinder rod to extend and drive the upper pressing block 408 to lift, which can facilitate the clamping component 3 to clamp the workpiece 7, and transport and unload through the lateral drive component 2, which is simple, fast and convenient to use.
[0029] The lower surface of the upper pressing block 408 and the upper surface of the lower pressing block 6 are both flat surfaces, which facilitates the upper pressing block 408 and the lower pressing block 6 to fit with the workpiece 7, making the measurement result more accurate.
[0030] like Figure 4 As shown, the clamping adjustment block 501 is provided with a clamping hole 5011, the displacement sensor 502 is arranged on the clamping hole 5011, the clamping hole 5011 is connected to the opening 5012, and connecting holes 5013 are arranged on both sides of the opening 5012. Bolts are passed through the connecting holes 5013 to close the opening 5012 while fixing the displacement sensor 502 on the clamping adjustment block 501. The bolts are loosened to open the opening 5012, and the displacement sensor 502 can be moved up and down to adjust the measuring position.
[0031] The bottom plate 1 is provided with a plurality of mounting holes 101, which can facilitate the installation of the length detection module in a CNC machine tool and cooperate with a manipulator to detect the processed workpiece.
[0032] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. However, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A machine tool built-in length detection module, characterized in that: It comprises a base plate (1), a lateral drive assembly (2) is arranged above the base plate (1), a clamping assembly (3) is slidably arranged on the lateral drive assembly (2), a pressing assembly (4) is arranged on the side of the clamping assembly (3), and the pressing assembly (4) is provided with a height measuring assembly (5); The pressing assembly (4) comprises a first support plate (401), a slide rail (402) is arranged on one side of the first support plate (401), a cylinder (403) is arranged on the other side of the first support plate (401), a mounting plate (404) is arranged at the end of the cylinder rod of the cylinder (403), a connecting plate (405) is arranged below the end of the mounting plate (404), a pressing plate (406) is arranged on one side of the connecting plate (405), and a plurality of sliding blocks (407) are arranged on the other side of the connecting plate (405), and the sliding blocks (407) are slidably arranged on the slide rail (402); The height measuring assembly (5) comprises a clamping adjustment block (501), the clamping adjustment block (501) is arranged on the side of the cylinder (403), the clamping adjustment block (501) is provided with a displacement sensor (502), and the displacement sensor (502) is arranged below the mounting plate (404).
2. A machine tool built-in length detection module according to claim 1, characterized in that: An upper pressing block (408) is arranged below the pressing plate (406), and a lower pressing block (6) is arranged between the clamping assembly (3) and the height measuring assembly (5). The upper pressing block (408) and the lower pressing block (6) are used correspondingly.
3. A machine tool built-in length detection module according to claim 1, characterized in that: The transverse drive assembly (2) comprises a second support plate (201), the second support plate (201) is provided with a slide cylinder (202), and the slide cylinder (202) is slidably provided with a moving plate (203).
4. A machine tool built-in length detection module according to claim 3, characterized in that: The clamping assembly (3) comprises a clamping cylinder (301), which is arranged on a movable plate (203), and the clamping cylinder (301) is connected to a first clamping jaw (302) and a second clamping jaw (303).
5. A machine tool built-in length detection module according to claim 2, characterized in that: The lower surface of the upper pressing block (408) and the upper surface of the lower pressing block (6) are both flat surfaces.
6. A machine tool built-in length detection module according to claim 3, characterized in that: The clamping adjustment block (501) is provided with a clamping hole (5011), the displacement sensor (502) is provided on the clamping hole (5011), the clamping hole (5011) is connected to an opening (5012), and connection holes (5013) are provided on both sides of the opening (5012).
7. A machine tool built-in length detection module according to claim 1, characterized in that: The bottom plate (1) is provided with a plurality of mounting holes (101).
Citation Information
Patent Citations
Cross-shaped measuring scale for high-precision measurement of workpiece of numerical control machine tool
CN215373753U