Automatic pipe measuring device
By designing an automated pipe measurement device, utilizing X1, X2, and X3 motion modules and a laser displacement sensor, the problems of large measurement errors and complex processes were solved, achieving fast and accurate automated measurement and improving measurement precision and efficiency.
Patent Information
- Application Number
- CN202520376955.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-05
AI Technical Summary
Existing pipe measurement methods suffer from large measurement errors and complex, cumbersome processes, making it difficult to achieve rapid, accurate, and automated measurement of inner and outer diameters and cylindricity.
Design an automated pipe measuring device, which uses X1, X2, X3 motion modules, an R-axis motion module, a dovetail table, a lifting platform, and a laser displacement sensor to achieve automated, fast, and accurate measurement of workpieces through non-contact measurement.
It enables efficient measurement of pipe length, inner and outer diameters, and inner and outer cylindricity, ensuring measurement accuracy and improving measurement efficiency.
Smart Images

Figure CN223954857U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of pipe size measurement, especially to the field of pipe inside and outside diameter measurement. BACKGROUND
[0002] The processed pipe often has size precision requirement, needs to guarantee the size precision of the inside diameter and the outside diameter, and the traditional pipe measurement method is that the workers measure by using a caliper and the like, and measurement error often occurs, thereby causing product unqualification. At present, people gradually begin to use non-contact measurement, utilize laser measurement method, ultrasonic detection method and the like, and gradually research a series of automatic measurement equipment, but the measurement process is relatively complex and tedious on the market, how to use the automatic equipment to measure the length, the inside and outside diameter and the inside and outside cylindricality parameters of the pipe quickly, accurately and conveniently is an urgent problem to be solved. SUMMARY
[0003] The problem to be solved by the utility model is that a pipe automatic measurement device is designed, and the pipe can be measured automatically, quickly, accurately and conveniently. In order to achieve the above object, the utility model provides the following technical scheme: a pipe automatic measurement device comprises an X1 movement module (1), an X2 movement module (2), an X3 movement module (3), an R-axis movement module (4), a dovetail table (5), a lifting platform (6), a lifting carrying table (7), a support frame (12) and two laser displacement sensors (13) which are respectively installed on the lifting platform (6) and the X3 movement module (3).
[0004] The workpiece is placed on the lifting carrying table (7), the workpiece is located in the middle of the X1 movement module (1) and the R-axis movement module (4), the X1 movement module (1) and the pneumatic tail top are adjusted to tightly top the workpiece, and the R-axis movement module (4) drives the workpiece to rotate. The X2 movement module (2) moves along the horizontal direction with a laser displacement sensor (13) and can measure the outside diameter, the length and the outside cylindricality of the workpiece. The X3 movement module (3) moves along the horizontal direction with another laser displacement sensor (13) and can measure the inside diameter and the inside cylindricality of the workpiece.
[0005] A control console (14) is installed on an X1 sliding plate (1-6) in the X1 movement module (1), pneumatic components are installed on the control console, and the pneumatic components control a pneumatic guide rail brake (1-3), a pneumatic tail top (10) and a carrying table cylinder (7-4).
[0006] The pneumatic tail top (10) is installed on the X1 movement module (1) and can slide in the horizontal direction, the X1 sliding plate (1-6) in the X1 movement module (1) is provided with a tail top mounting groove, and the pneumatic tail top (10) is tightly attached to the tail top mounting groove on the X1 sliding plate (1-6).
[0007] The overall structure of the X1 motion module (1) includes two guide rails X1 (1-1) mounted on the support frame (12) and two guide rail sliders (1-2) mounted on each guide rail. The X1 slide plate (1-6) is fixed by four X1 guide rail sliders (1-2). A pneumatic guide rail brake (1-3) is mounted between the two X1 guide rail sliders (1-2) on one guide rail. The X1 slide plate (1-6) is equipped with a pneumatic tail top (10), which realizes manual pushing of the slide plate. The pneumatic tail top (10) can move in the horizontal direction. The side of the support frame (12) is also equipped with a baffle (1-4) and a buffer rubber pad (1-5) to prevent the X1 slide plate (1-6) from impacting excessively after moving to the limit position.
[0008] The X2 linear motion module (2) is equipped with a dovetail table (5) and a lifting platform (6). The lifting platform is equipped with a laser displacement sensor (13).
[0009] Start the motor X2 (2-1), and the accessories carried by the X2 motion module (2) can move horizontally.
[0010] The dovetail table (5) includes a dovetail fixed plate (5-5), a dovetail table screw shaft (5-2), and a screw nut (5-1) mounted on the dovetail fixed plate (5-5). The dovetail slide plate (5-4) is connected between the dovetail fixed plate (5-5) by the screw nut (5-1). The rocker (5-3) penetrates the tail of the dovetail table screw shaft (5-2). Manual rotation of the rocker can realize longitudinal movement of the dovetail slide plate (5-4).
[0011] The lifting platform (6) mainly includes a lifting plate (6-6) penetrating two optical shafts (6-1) and a lifting platform screw shaft (6-4). Two linear bearings (6-2) penetrate two optical shafts (6-1) and are fixed on the lifting plate (6). The two optical shafts (6-1) are fixed by an optical shaft fixed clamp (6-3) and an upper fixed plate. The turntable (6-5) is connected and fixed on the lifting platform screw shaft (6-4). Manual rotation of the turntable (6-5) can make the lifting plate (6-6) move up and down to realize position adjustment in the height direction. The laser displacement sensor (13) is connected and installed on the lifting plate (6-6). Thus, the laser displacement sensor (13) can be fine-tuned in the longitudinal and height directions, improving the measurement accuracy.
[0012] The slider bracket (3-3) in the X3 motion module is provided with a slider mounting groove, and the X3 guide rail slider (3-4) is installed tightly in the slider mounting groove of the slider bracket (3-3).
[0013] The rack rail fixed support (3-8) in the X3 motion module (3) is provided with a transfer surface at the tail for installing the laser displacement sensor (13) and the proximity switch (3-7).
[0014] The X3 motion module (3) mainly comprises a rack guide rail fixed support (3-8) provided with a rack (3-1) and two guide rails X3 (3-2), each guide rail X3 (3-2) is provided with two X3 guide rail sliders (3-4), the two X3 guide rail sliders (3-4) are fixed on a slider bracket (3-3), the slider bracket (3-3) is fixed on an XR support (15), a motor and a speed reducer X3 (3-6) are started to drive the rack (3-5) to rotate, and the rack guide rail fixed support (3-8) moves in the horizontal direction through the interaction between the rack and the gear. The tail of the rack guide rail fixed support (3-8) is connected with a laser displacement sensor (13) and a proximity switch (3-7).
[0015] The R-axis motion module (4) is integrally installed on the XR support (15), and the XR support is provided with a mounting groove for mounting a precision hollow turntable (4-2).
[0016] The R motion module (4) mainly comprises a precision hollow turntable (4-2) connected with a hollow umbrella top (4-3), and the precision hollow turntable (4-2) is driven by a motor R (4-1). The lifting and carrying platform (7) mainly comprises a carrying platform cylinder (7-4) connected to a carrying platform slider (7-1), the carrying platform slider (7-1) is installed on the guide rail X1 (1-1), the carrying platform cylinder (7-4) is provided with a bearing seat (7-2) and a roller (7-3) for placing a workpiece.
[0017] The two rollers (7-3) are installed on the carrying platform cylinder (7-4) in the lifting and carrying platform (7).
[0018] The support frame (12) is provided with a Forma wheel (9) at the bottom, and an electrical cabinet (8) is installed on the back of the support frame (12), so that the whole device can be moved.
[0019] The laser displacement sensor (13) is selected for measurement, and belongs to non-contact measurement, so it does not need to contact the pipe, has strong flexibility, and is suitable for different measurement requirements.
[0020] The beneficial effects of the present application: a kind of pipe automatic measuring device, workpiece (11) is placed on lifting mounting table (7), adjust lifting mounting table (7) to appropriate height, make the center line of pipe and the center line of hollow umbrella top coincide, adjust X1 movement module (1) and pneumatic tail top and workpiece are tightly topped, adjust dovetail table (5) and lifting platform (6) and slightly adjust the position of outer laser displacement sensor (13), R-axis movement module drives workpiece to rotate, X2 movement module (2) moves along horizontal direction with a laser displacement sensor (13), can measure the outer diameter, length, outer cylindrical degree of workpiece;X3 movement module (3) moves along horizontal direction with another laser displacement sensor (13), can measure the inner diameter and inner cylindrical degree of workpiece.The utility model effectively solves the problems of pipe length, inner and outer diameter and inner and outer cylindrical degree efficient measurement, guarantees the size measurement precision of workpiece, realizes the automatic measurement of pipe size, improves the measurement efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is schematic view of the utility model pipe automatic measuring device when working.
[0022] Figure 2 It is the structure schematic view of X1 movement module of the utility model.
[0023] Figure 3 It is the position schematic view of X2 movement module and mounting accessory of the utility model.
[0024] Figure 4 It is the structure schematic view of dovetail table and lifting platform of the utility model.
[0025] Figure 5 It is the structure schematic view of X3 movement module and accessory of the utility model.
[0026] Figure 6 It is the structure schematic view of R movement module and lifting mounting table of the utility model.
[0027] Mark explanation:
[0028] 1.X1 movement module, 2.X2 movement module, 3.X3 movement module, 4.R movement module, 5.dovetail table, 6.lifting platform, 7.lifting mounting table, 8.electrical cabinet, 9.foma wheel, 10.pneumatic tail top, 11.workpiece, 12.support frame, 13.laser displacement sensor, 14.control console, 15.XR support.
[0029] 1-1.guide rail X1, 1-2.X1 guide rail slider, 1-3.pneumatic guide rail brake, 1-4.baffle, 1-5.cushion rubber pad, 1-6.X1 sliding plate.
[0030] 2-1.motor X2.
[0031] 3-1. rack, 3-2. guide rail X3, 3-3. slider frame, 3-4. X3 guide rail slider, 3-5. gear, 3-6. motor and speed reducer X3, 3-7. proximity switch, 3-8. rack guide rail fixed support.
[0032] 4-1. motor R, 4-2. precision hollow rotary table, 4-3. hollow umbrella top.
[0033] 5-1. screw nut, 5-2. dovetail table screw shaft, 5-3. rocker, 5-4. dovetail slide plate, 5-5. dovetail fixed plate.
[0034] 6-1. optical axis, 6-2. linear bearing, 6-3. optical axis fixed clamp, 6-4. lifting platform screw shaft, 6-5. rotary disc, 6-6. lifting plate.
[0035] 7-1. mounting table slider, 7-2. bearing seat, 7-3. roller, 7-4. mounting table air cylinder. DETAILED DESCRIPTION
[0036] In order to make the purpose and technical scheme of the utility model more clear and convenient to understand. The utility model is further described in detail in the following with reference to the drawings and examples. The specific examples described herein are only used to explain the utility model and are not used to limit the utility model.
[0037] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. The terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0038] Reference Figure 1The overall structure and measurement method of this utility model are shown. This utility model includes an X1 motion module (1), an X2 motion module (2), an X3 motion module (3), an R-axis motion module (4), a dovetail platform (5), a lifting platform (6), a lifting mounting platform (7), a support frame (12), a pneumatic tail top (10) mounted on the X1 motion module (1) and capable of sliding in the horizontal direction, two laser displacement sensors (13) respectively mounted on the lifting platform (6) and the X3 motion module (3), a fuma wheel (9) mounted on the bottom of the support frame (12), and an electrical cabinet (8) mounted on the back of the support frame (12).
[0039] refer to Figure 1 and Figure 2 The overall structure of the X1 motion module (1) of this utility model is shown, including two guide rails X1 (1-1) mounted on the support frame (12) and two guide rail sliders (1-2) mounted on each guide rail. The X1 slide plate (1-6) is fixed by four X1 guide rail sliders (1-2). A pneumatic guide rail brake (1-3) is installed between the two X1 guide rail sliders (1-2) on one guide rail. The X1 slide plate (1-6) is equipped with a pneumatic tail (10), which enables manual pushing of the slide plate. The pneumatic tail (10) can move in the horizontal direction. The side of the support frame (12) is also equipped with a baffle (1-4) and a buffer pad (1-5) to prevent excessive impact after the X1 slide plate (1-6) moves to the limit position.
[0040] refer to Figure 3 The diagram shows the X2 motion module (2) and its mounted accessories. The X2 motion module (2) is equipped with a dovetail platform (5), a lifting platform (6), and a laser displacement sensor (13). When the motor X2 (2-1) is started, the accessories mounted on the X2 motion module (2) can move horizontally.
[0041] refer to Figure 4, shows the structure of the dovetail table (5) and the lifting platform (6). The dovetail table (5) includes a dovetail fixed plate (5-5), a dovetail table screw shaft (5-2) and a screw nut (5-1) installed on the dovetail fixed plate (5-5), a dovetail sliding plate (5-4) connected between the dovetail fixed plate (5-5) by the screw nut (5-1), and a rocker (5-3) penetrating the tail of the dovetail table screw shaft (5-2). Artificially rotating the rocker can realize the longitudinal movement of the dovetail sliding plate (5-4). The lifting platform (6) mainly includes a lifting plate (6-6) penetrating two optical shafts (6-1) and a lifting platform screw shaft (6-4), two linear bearings (6-2) penetrating the two optical shafts (6-1) and fixed on the lifting plate (6), and the two optical shafts (6-1) are fixed by an optical shaft fixed clamp (6-3) and an upper fixed plate. The rotating disc (6-5) is connected and fixed on the lifting platform screw shaft (6-4), and manually rotating the rotating disc (6-5) can make the lifting plate (6-6) move up and down to realize position adjustment in the height direction. The laser displacement sensor (13) is installed on the lifting plate (6-6). Thus, the laser displacement sensor (13) can be fine-tuned in the longitudinal and height directions.
[0042] Reference Figure 5 , shows the structure diagram of X3 motion module (3) and related accessories, mainly including rack guide rail fixed support (3-8) with rack (3-1) and two guide rails X3 (3-2), each guide rail X3 (3-2) is equipped with two X3 guide rail sliders (3-4), two X3 guide rail sliders (3-4) are fixed on slider bracket (3-3), the slider bracket (3-3) is fixed on XR support (15), the gear (3-5) can be driven to rotate by starting the motor and reducing X3 (3-6), and the rack guide rail fixed support (3-8) moves in the horizontal direction through the interaction between the gear and the rack. The tail of the rack guide rail fixed support (3-8) is connected with the laser displacement sensor (13) and the proximity switch (3-7).
[0043] Reference Figure 6 , shows the structure diagram of R motion module (4) and lifting mounting table (7). The R motion module (4) mainly includes a precision hollow rotary table (4-2) connected with a hollow umbrella top (4-3), and the precision hollow rotary table (4-2) is driven by a motor R (4-1). The lifting mounting table (7) mainly includes a mounting table cylinder (7-4) connected to a mounting table slider (7-1), the mounting table slider (7-1) is installed on the guide rail X1 (1-1), the mounting table cylinder (7-4) is equipped with a bearing seat (7-2) and a roller (7-3) for placing workpieces. The hollow umbrella top (4-3) can be set to inner diameter support or outer diameter support or used together according to the required measurement accuracy, which can reduce the measurement blind area and improve the overall measurement accuracy.
[0044] The whole measuring mode is as follows: the workpiece (11) is placed on the lifting mounting table (7), the lifting mounting table (7) is adjusted to a proper height, the X1 movement module (1) and the pneumatic tail top are adjusted to tightly top the workpiece, the dovetail table (5) and the lifting platform (6) are adjusted to finely adjust the position of the outer laser displacement sensor (13), the R-axis movement module drives the workpiece to rotate, the X2 movement module (2) moves along the horizontal direction with a laser displacement sensor (13), the outer diameter, the length and the outer cylindricity of the workpiece can be measured; the X3 movement module (3) moves along the horizontal direction with another laser displacement sensor (13), the inner diameter and the inner cylindricity of the workpiece can be measured.
[0045] The X1 slide plate (1-6) is provided with a control console (14), some pneumatic elements can be installed to control the pneumatic guide rail brake (1-6), the pneumatic tail top (10) and the mounting table cylinder (7-4).
[0046] Preferably, the utility model selects the laser displacement sensor (13) to measure, belongs to non-contact measurement, and therefore does not need to contact with the pipe, has very strong flexibility, and is suitable for different measurement demands.
[0047] Preferably, the utility model is provided with the form wheel (9) at the bottom, generally is provided with 4 or more than 4, and the whole equipment can move.
Claims
1. An automated pipe measurement apparatus, comprising: It comprises X1 motion module (1), X2 motion module (2), X3 motion module (3), R-axis motion module (4), dovetail table (5), lifting platform (6), lifting mounting platform (7), support frame (12), two laser displacement sensors (13) are respectively installed on the lifting platform (6) and X3 motion module (3); The X1 slide plate 1-6 in the X1 motion module (1) is provided with a control console (14), and pneumatic components can be installed on the control console. The pneumatic tail top (10) is installed on the X1 motion module (1) and can slide in the horizontal direction. The X1 slide plate (1-6) in the X1 motion module (1) is provided with a tail top mounting groove, and the pneumatic tail top (10) is tightly attached to the tail top mounting groove on the X1 slide plate (1-6); The X2 linear motion module is provided with a dovetail table (5) and a lifting platform (6), and the lifting platform (6) is provided with a laser displacement sensor (13) at the tail; The slide block bracket (3-3) in the X3 motion module (3) is provided with a slide block mounting groove, and the guide rail slide block (3-4) is tightly attached to the slide block mounting groove after being installed. The rack guide rail fixed support (3-8) in the X3 motion module (3) is provided with an adapter surface at the tail, which is used for installing a laser displacement sensor (13) and a proximity switch (3-7); The R-axis motion module (4) is integrally installed on the XR support (15), and the XR support (15) is provided with a mounting groove for installing a precision hollow turntable (4-2); The mounting platform air cylinder (7-4) in the lifting mounting platform (7) is provided with two rollers (7-3).
2. The apparatus of claim 1, wherein, The support frame (12) is provided with a Foma wheel (9) at the bottom, and an electrical cabinet (8) is installed on the back of the support frame (12). The whole device can be moved.