Flatness fast detection device

Abstract

The utility model relates to a rapid flatness detection device, which comprises a workbench, a driving cylinder, a fixed bottom plate, a slide rail, a slide block, a detection positioning mechanism and a slide bottom plate, the driving cylinder and the fixed bottom plate are arranged on the workbench, and the detection positioning mechanism is in driving connection with the driving cylinder through the slide bottom plate and is used for realizing rapid linear motion of the detection positioning mechanism. A sliding block is arranged below the sliding bottom plate, the sliding rail is arranged above the fixed bottom plate, and the sliding block and the sliding rail are connected in a mechanical fit mode. The detection positioning mechanism comprises a support, first sensors and a positioning shaft, the support is arranged on the sliding bottom plate and mechanically connected with the sliding bottom plate, the first sensors are evenly distributed around the positioning shaft, and the first sensors and the positioning shaft are arranged on the support and used for achieving positioning of a specified plane of a workpiece and rapid flatness detection. The device is simple and reasonable in design, quick in action response, good in economical efficiency, convenient to realize automatic control and suitable for batch automatic production.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical manufacturing, assembly and detection, and relates to a flatness quick detection device. Background Art

[0002] With the development of intelligent manufacturing technology, in the fields of manufacturing, assembly and testing technology such as automobiles, ships, aerospace, etc., the specifications of parts are diverse. In the face of further processing and assembly needs of parts, they need to be quickly positioned and clamped. In order to improve production rhythm and work efficiency, sometimes some technical indicators need to be quickly tested and judged in some production lines in order to eliminate defective products at an early stage. Due to the different specifications of workpieces, some positioning and detection mechanisms are often difficult to adapt to user-specific needs. In order to meet the needs of automated mass production, a special rapid detection device is needed to solve the above problems. Utility Model Content

[0003] The utility model aims to provide a flatness fast detection device, which solves the existing problem of fast flatness detection of some workpieces in production lines, has fast response, is suitable for batch production, and meets the specific needs of users.

[0004] To achieve the above-mentioned purpose, an embodiment of the utility model provides a flatness quick detection device, including: a workbench, a driving cylinder, a fixed base plate, a slide rail, a slider, a detection and positioning mechanism, and a sliding base plate. The driving cylinder and the fixed base plate are both placed on the workbench and mechanically connected thereto. The detection and positioning mechanism is driven and connected to the driving cylinder through the sliding base plate to realize the rapid linear movement of the detection and positioning mechanism. At least one slider is arranged below the sliding base plate, and the slide rail is arranged above the fixed base plate. The slider is mechanically matched and connected to the slide rail. The detection and positioning mechanism includes: a bracket, at least three first sensors, and a positioning shaft. The bracket is arranged on the sliding base plate and mechanically connected thereto. Several first sensors are evenly distributed around the positioning shaft. The first sensor and the positioning shaft are both arranged on the bracket and perform synchronous linear motion with the bracket to realize the positioning of the specified plane of the workpiece and rapid flatness detection.

[0005] Furthermore, it also includes: a limit block, which is arranged at one end of the slide rail and is mechanically connected to the fixed base plate or the workbench to achieve position limitation of the detection and positioning mechanism.

[0006] Furthermore, it also includes: a second sensor, which is arranged on the fixed base plate or the workbench to realize the state recognition of the workpiece.

[0007] Furthermore, the detection and positioning mechanism further includes: a protective cover, the protective cover is mechanically connected to the bracket, and the first sensor is placed in the protective cover to achieve safety protection for the first sensor.

[0008] Optionally, the detection and positioning mechanism further includes: an adjustment gasket, which is arranged between the bracket and the sliding base plate to achieve height adjustment of the detection and positioning mechanism.

[0009] Optionally, it further includes: an adjustment component, which is arranged on the workbench to adjust the position of the fixed base plate.

[0010] Furthermore, the sliding block is adapted to the cross-sectional shape of the sliding rail.

[0011] The utility model relates to a flatness quick inspection device, and has the following beneficial effects: the flatness quick inspection device provided by the utility model is simple and reasonable in design, and realizes the positioning of the workpiece while synchronously realizing the rapid detection of the flatness index by using a driving cylinder and a detection positioning mechanism. The embodiment provided by the utility model has fast action response, good economy, high positioning accuracy, and is easy to realize automatic control, is suitable for batch automatic production, meets the specific needs of users, and can be used in the manufacturing and assembly fields such as automobiles, ships, and aerospace. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings of the embodiments will be briefly introduced below. Obviously, the drawings in the following description only relate to some embodiments of the present utility model, rather than limiting the present utility model.

[0013] Figure 1 One of the three-dimensional structural diagrams of a flatness quick inspection device provided in an embodiment of the utility model;

[0014] Figure 2 A second three-dimensional structural diagram of a flatness quick inspection device provided by an embodiment of the utility model;

[0015] Figure 3 A third three-dimensional structural diagram of a flatness quick inspection device provided by an embodiment of the utility model;

[0016] Figure 4 A top view of a flatness quick inspection device provided by an embodiment of the utility model;

[0017] Figure 5 One of the partial three-dimensional structural diagrams of a flatness quick inspection device provided by an embodiment of the utility model;

[0018] Figure 6A second partial three-dimensional structural diagram of a flatness quick inspection device provided by an embodiment of the utility model;

[0019] Figure 7 A three-dimensional structural diagram of a flatness quick inspection device with a workpiece state provided in an embodiment of the utility model.

[0020] In the figure:

[0021] 1. Workbench; 2. Driving cylinder; 3. Fixed base plate; 4. Slide rail; 5. Slider; 6. Detection and positioning mechanism; 61. Bracket; 62. First sensor; 63. Positioning shaft; 64. Protective cover; 65. Adjustment gasket; 7. Sliding base plate; 8. Limit block; 9. Adjustment assembly; 10. Second sensor; 11. Lower body of automobile. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Unless otherwise defined, the technical terms or scientific terms used in the present disclosure shall have the usual meanings understood by persons with ordinary skills in the field to which the present disclosure belongs. It should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "back", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention 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, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", "third", "fourth", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0025] A flatness quick inspection device provided by an embodiment of the utility model is described in detail below in conjunction with the accompanying drawings.

[0026] Example

[0027] Figure 1 One of the three-dimensional structural diagrams of a flatness quick inspection device provided by an embodiment of the utility model is shown. Figure 2 The second three-dimensional structure diagram of a flatness quick inspection device provided by an embodiment of the utility model is shown. Figure 3 The third three-dimensional structure diagram of a flatness quick inspection device provided by an embodiment of the utility model is shown. Figure 4 A top view of a flatness quick inspection device provided by an embodiment of the utility model is shown. Figure 5 It shows one of the partial three-dimensional structural diagrams of a flatness quick inspection device provided by an embodiment of the utility model, Figure 6 The second partial three-dimensional structure diagram of a flatness quick inspection device provided by an embodiment of the utility model is shown. Figure 7 The following is a three-dimensional structural diagram of a flatness quick inspection device with a workpiece provided by an embodiment of the utility model; Figure 1 to Figure 7 As shown, the flatness quick inspection device provided by the embodiment of the utility model is suitable for fast positioning of workpieces and fast online inspection of flatness indicators of specific planes, so as to eliminate unqualified products at an early stage, and is suitable for batch automated production needs. A flatness quick inspection device provided by the embodiment of the utility model includes: a workbench 1, a driving cylinder 2, a fixed base plate 3, a slide rail 4, a slider 5, a detection and positioning mechanism 6, and a sliding base plate 7, wherein the driving cylinder 2 and the fixed base plate 3 are both placed on the workbench 1 and mechanically connected to the workbench 1, thereby realizing that the positions of the driving cylinder 2 and the fixed base plate 3 are relatively fixed; the detection and positioning mechanism 6 is driven and connected with the driving cylinder 2 through the sliding base plate 7 to realize the fast linear motion of the detection and positioning mechanism 6, the detection and positioning mechanism 6 is fixed on the sliding base plate 7, and the sliding base plate 7 is connected with the piston rod in the driving cylinder 2, and the gas supply of the driving cylinder 2 is controlled by an external control system to realize the extension and retraction of the piston rod in the driving cylinder 2, thereby realizing the corresponding linear motion of the detection and positioning mechanism 6 driven by the sliding base plate 7. In order to ensure the motion accuracy of the detection and positioning mechanism 6, at least one slider 5 is arranged below the sliding base plate 7, and the slide rail 4 is arranged above the fixed base plate 3, and the slider 5 is mechanically connected with the slide rail 4; Figure 6A structural form of a slider 5 and a slide rail 4 is shown in the figure. By using two slide rails 4 and four sliders 5, a sliding fit connection between the slider 5 and the slide rail 4 is achieved, the movement accuracy of the sliding base plate 7 is ensured, and support is provided for the detection and positioning mechanism 6 to prevent the detection and positioning mechanism 6 from sagging and causing a decrease in positioning accuracy. Of course, the number of sliders 5 and slide rails 4 can be adjusted according to the specific needs of the user, and they are not specifically limited here; wherein the slider 5 is adapted to the cross-sectional shape of the slide rail 4, and the cross-sectional shape of the slide rail 4 can be one of a dovetail shape, an I-shaped shape, a square shape, an X shape, and a trapezoid, including but not limited to the above cross-sectional shapes. More specifically, the detection and positioning mechanism 6 includes: a bracket 61, at least three first sensors 62, and a positioning shaft 63, wherein the bracket 61 is arranged on the sliding base plate 7 and mechanically connected thereto, and a plurality of first sensors 62 are evenly arranged around the positioning shaft 63, and the distance detection between a plurality of first sensors 62 and the workpiece surface can realize the flatness index detection of the workpiece surface, and generally, the number of the first sensors 62 is 3-6, Figure 3 The structural distribution form of four first sensors 62 is shown in the figure. Compared with setting three first sensors 62, setting four first sensors 62 can improve the detection accuracy and reduce the measurement error. Of course, it is not necessary to use too many first sensors 62. The flatness detection of the plane to be measured of the workpiece is realized by using the basic principle of determining a plane with three points. The output signal of the first sensor 62 is collected and solved by an external data acquisition system, which can quickly realize the detection of the flatness index of the workpiece; the driving cylinder 2 can drive the sliding base plate 7 and drive the detection and positioning mechanism 6 to achieve the purpose of rapid action. The use of the driving cylinder 2 here also utilizes the characteristics of the cylinder being widely used in the automobile manufacturing industry, fast response and good economy; the positioning shaft 63 is matched and connected with the hole at the corresponding position on the workpiece to realize the rapid positioning of the workpiece. In order to facilitate the centering and smooth introduction of the shaft and the hole, one end of the positioning shaft 63 is generally provided with a chamfer to facilitate the introduction of the positioning shaft 63. Figure 7 A structural form of the positioning shaft 63 is shown in FIG. 1 , and the corresponding workpiece is a local structural shape of the lower body 11 of the automobile (due to the limitation of the drawing, Figure 7 Only a part of the lower body 11 of the automobile is shown in the figure), of course, the structural shape of the positioning shaft 63 can be adjusted accordingly according to user needs or the type of workpiece to adapt to more types of workpieces; here, the first sensor 62 and the positioning shaft 63 are both arranged on the bracket 61 and perform synchronous linear motion with the bracket 61 to realize the positioning of the specified plane of the workpiece and rapid flatness detection.

[0028] A flatness quick inspection device provided in an embodiment of the utility model, as a further improvement, also includes: a limit block 8, which is arranged at one end of the slide rail 4 and is mechanically connected to the fixed base plate 3 or the workbench 1 to achieve position limitation of the detection positioning mechanism 6, and the contact connection between the limit block 8 and the sliding base plate 7 can play a corresponding limiting and buffering role.

[0029] A flatness quick inspection device provided in an embodiment of the utility model, as a further improvement, also includes: a second sensor 10, the second sensor 10 is arranged on the fixed base plate 3 or the workbench 1 to realize the state recognition of the workpiece, the second sensor 10 judges the contact position with the workpiece and outputs a corresponding signal, and then identifies the state of the workpiece, thereby improving the working reliability and automation level of the flatness quick inspection device, preventing misoperation, and improving safety.

[0030] In a flatness quick detection device provided by an embodiment of the utility model, as a further improvement, the detection and positioning mechanism 6 also includes: a protective cover 64, which is mechanically connected to the bracket 61, and the first sensor 62 is placed in the protective cover 64 to achieve safety protection for the first sensor 62, which can effectively avoid bumps on the first sensor 62, protect the first sensor 62 in the shape of a long rod, and minimize the detection accuracy of the first sensor 62 from being affected by external factors.

[0031] In a flatness quick detection device provided by an embodiment of the utility model, optionally, the detection and positioning mechanism 6 also includes: an adjusting gasket 65, which is arranged between the bracket 61 and the sliding base plate 7 to realize the height adjustment of the detection and positioning mechanism 6, so as to compensate for the manufacturing and assembly errors of the detection and positioning mechanism 6 and ensure the centering accuracy; in a flatness quick detection device provided by an embodiment of the utility model, one or more groups of adjusting gaskets 65 can be arranged; of course, if the position accuracy of the detection and positioning mechanism 6 can meet the requirements without setting the adjusting gasket 65, it is also acceptable.

[0032] A flatness quick inspection device provided by an embodiment of the utility model may optionally further include: an adjustment component 9, which is arranged on the workbench 1 to adjust the position of the fixed base plate 3. By adjusting the adjustment bolts in the adjustment component 9, the position of the fixed base plate 3 can be adjusted to compensate for the manufacturing and assembly errors of the detection positioning mechanism 6.

[0033] It is worth noting that the driving cylinder 2 can also be replaced by a driving device such as a driving motor, a solenoid valve, etc., as long as the rapid linear motion of the sliding base plate 7 can be achieved.

[0034] Compared with the prior art, the flatness quick detection device provided by the utility model is simple and reasonable in design. By using the driving cylinder 2 and the detection positioning mechanism 6, it realizes the positioning of the workpiece and the synchronous rapid detection of the flatness index. The embodiment provided by the utility model has fast action response, good economy, high positioning accuracy, and is easy to realize automatic control. It is suitable for batch automatic production and meets the specific needs of users. It can be used in the manufacturing and assembly fields such as automobiles, ships, and aerospace.

[0035] There are a few points to note:

[0036] (1) Unless otherwise defined, in the embodiments of the present invention and the accompanying drawings, the same reference numerals represent the same meanings.

[0037] (2) The drawings of the embodiments of the present utility model only relate to the structures related to the embodiments of the present utility model, and other structures may refer to the conventional designs.

[0038] (3) For the sake of clarity, in the drawings used to describe the embodiments of the present invention, some structures in the drawings may be enlarged or reduced, that is, these drawings are not drawn according to the actual scale.

[0039] (4) In the absence of conflict, the embodiments of the present invention and the features therein may be combined with each other to obtain new embodiments.

[0040] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A flatness quick inspection device, characterized in that: include: A workbench (1), a driving cylinder (2), a fixed base plate (3), a slide rail (4), a slider (5), a detection and positioning mechanism (6), and a sliding base plate (7); the driving cylinder (2) and the fixed base plate (3) are both placed on the workbench (1) and mechanically connected thereto; the detection and positioning mechanism (6) is driven and connected to the driving cylinder (2) via the sliding base plate (7) to achieve rapid linear motion of the detection and positioning mechanism (6); at least one slider (5) is arranged below the sliding base plate (7); the slide rail (4) is arranged above the fixed base plate (3); The slider (5) is mechanically connected to the slide rail (4); the detection and positioning mechanism (6) comprises: a bracket (61), at least three first sensors (62), and a positioning shaft (63); the bracket (61) is arranged on the sliding base plate (7) and is mechanically connected thereto; a plurality of the first sensors (62) are evenly distributed around the positioning shaft (63); the first sensor (62) and the positioning shaft (63) are both arranged on the bracket (61) and perform synchronous linear motion with the bracket (61) to realize the positioning of a specified plane of the workpiece and rapid flatness detection.

2. The flatness quick inspection device according to claim 1, characterized in that: Also includes: A limit block (8), wherein the limit block (8) is arranged at one end of the slide rail (4) and is mechanically connected to the fixed base plate (3) or the workbench (1) to realize position limitation of the detection and positioning mechanism (6).

3. The flatness quick inspection device according to claim 1 or 2, characterized in that: Also includes: A second sensor (10), wherein the second sensor (10) is arranged on the fixed base plate (3) or the workbench (1) and is used to realize state recognition of a workpiece.

4. The flatness quick inspection device according to claim 3, characterized in that: The detection and positioning mechanism (6) further comprises: a protective cover (64), wherein the protective cover (64) is mechanically connected to the bracket (61), and the first sensor (62) is disposed inside the protective cover (64) to achieve safety protection for the first sensor (62).

5. The flatness quick inspection device according to claim 4, characterized in that: The detection and positioning mechanism (6) further comprises: an adjustment gasket (65), wherein the adjustment gasket (65) is arranged between the bracket (61) and the sliding base plate (7) and is used to adjust the height of the detection and positioning mechanism (6).

6. The flatness quick inspection device according to claim 1, characterized in that: It also comprises: an adjustment component (9), wherein the adjustment component (9) is arranged on the workbench (1) and is used to adjust the position of the fixed base plate (3).

7. The flatness quick inspection device according to claim 1, characterized in that: The sliding block (5) is adapted to the cross-sectional shape of the sliding rail (4).

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