Workpiece surface flatness detection device for numerical control machining

Abstract

The utility model discloses a workpiece surface flatness detection device for numerical control machining, and relates to the technical field of detection equipment. The workpiece flatness detection device comprises a detection box, the middle of the detection box is rotatably connected with a placing table used for placing a workpiece, the upper end of the placing table is provided with a detector body used for detecting the flatness of the workpiece, and the adjusting assembly comprises a longitudinal electric guide rail fixedly installed on one side of the upper end in the detection box. And the other side of the upper end in the detection box is fixedly connected with a guide frame. According to the utility model, through an automatic driving mode, the problems that the efficiency is low and the detection result is easily influenced by human factors caused by traditional manual detection are avoided, the detection precision and efficiency are improved, and through the design of the adjusting assembly, the position of the detector body can be flexibly adjusted to adapt to the detection requirements of different sizes and shapes of workpieces; and meanwhile, the worm gear and the worm have self-locking performance, so that the stability of the placing table when the placing table is static can be kept.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of detection equipment, especially be related to a workpiece surface flatness detection device for numerical control processing. BACKGROUND

[0002] In modern manufacturing industry, the flatness of workpiece surface is one of the important indexes to measure its quality, especially in the field of numerical control processing, because of high machining precision requirement, the detection of workpiece surface flatness is particularly important, however, the traditional workpiece surface flatness detection device has the following shortcomings when using:

[0003] 1, the traditional workpiece surface flatness detection method mostly relies on manual operation, not only low efficiency, and the detection result is susceptible to human factors, lead to low detection precision, in addition, the traditional detection device lacks the characteristics of automation, it is difficult to adapt to the detection demand of high precision, high efficiency of modern manufacturing industry, at the same time, the existing detection device is often complex structure, inconvenient to adjust, it is difficult to meet the detection demand of diversified workpiece.

[0004] Therefore, we propose a workpiece surface flatness detection device for numerical control processing. INVENTION CONTENTS

[0005] The utility model aims at solving the traditional workpiece surface flatness detection method mostly relies on manual operation in prior art, not only low efficiency, and the detection result is susceptible to human factors, lead to low detection precision, in addition, the traditional detection device lacks the characteristics of automation, it is difficult to adapt to the detection demand of high precision, high efficiency of modern manufacturing industry, at the same time, the existing detection device is often complex structure, inconvenient to adjust, it is difficult to meet the detection demand of diversified workpiece, and propose a workpiece surface flatness detection device for numerical control processing.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A workpiece surface flatness detection device for numerical control processing, comprising:

[0008] The detection box is rotationally connected with the placing table in the middle part, and is used for placing workpieces, and the upper end of the placing table is provided with a detection instrument body for detecting the flatness of the workpieces;

[0009] The adjusting assembly comprises a longitudinal electric guide rail fixedly installed on one side of the upper end of the detection box, the other side of the upper end of the detection box is fixedly connected with a guide frame, the lower ends of the longitudinal electric guide rail and the guide frame are provided with a transverse electric guide rail, and the front end of the transverse electric guide rail is provided with a vertical electric guide rail for adjusting the position of the detection instrument body;

[0010] The rotating assembly comprises a connecting shaft rotatably connected to the inner bottom of the lower end of the detection box, the upper end of the connecting shaft is fixedly connected to the lower end of the placing table, and the outer wall of the middle part of the connecting shaft is fixedly connected with a worm gear for driving the placing table to rotate.

[0011] The clamping assembly is installed on the upper end of the placing table and is used for clamping and limiting the workpiece to be detected.

[0012] In a possible design, the clamping assembly comprises a mounting frame fixedly installed on the front end and the rear end of the placing table, a bidirectional screw rod rotatably connected to the middle part of the mounting frame, the middle part of the bidirectional screw rod rotatably connected to the placing table, the outer wall of the front end and the rear end of the bidirectional screw rod is threadedly sleeved with a clamping plate for clamping the workpiece, the front end and the rear end of the bidirectional screw rod penetrates through the mounting frame and is fixedly connected with a handle for rotating the bidirectional screw rod, the middle part of the upper surface of the placing table is fixedly connected with an electromagnet for adsorbing the workpiece, and the middle part of the detection box is fixedly connected with a circular limiting frame, the lower end of the mounting frame is slidably connected in the circular limiting frame for limiting the placing table.

[0013] In a possible design, the middle part of the inner bottom of the detection box is fixedly connected with a first support frame, the connecting shaft is rotatably connected with the first support frame, one side of the upper end of the first support frame is rotatably connected with a worm, the worm gear is meshingly connected with the worm, and the worm gear and the worm are located on the upper end of the first support frame for limiting the worm gear and the worm, the rear end of the inner bottom of the detection box is fixedly connected with a second support frame, the upper end of the second support frame is fixedly connected with a servo motor, and the output end of the servo motor is fixedly connected with the rear end of the worm for driving the worm to rotate.

[0014] In a possible design, the lower end of the longitudinal electric guide rail is threadedly connected with a first sliding block, the lower end of the guiding frame is slidably connected with a second sliding block, and the lower ends of the first sliding block and the second sliding block are fixedly connected with the transverse electric guide rail for driving the transverse electric guide rail to move longitudinally, the front end of the transverse electric guide rail is threadedly connected with a third sliding block, the front end of the third sliding block is threadedly connected with the vertical electric guide rail for driving the vertical electric guide rail to move transversely, and the lower part of the outer wall of the front end of the vertical electric guide rail is fixedly connected with a mounting plate through bolts, and the lower end of the mounting plate is fixedly connected with a detection instrument body for driving the detection instrument body to move up and down.

[0015] In a possible design, a plurality of through holes are formed in the upper end of the mounting plate for adjusting the position of the mounting plate on the vertical electric guide rail.

[0016] In a possible design, a PLC control module is fixedly connected to the outer wall of one side of the detection box, a protective door is rotatably connected to the front end of the detection box, and an observation window is arranged on the front end of the protective door.

[0017] In the application, when in use, first, the workpiece to be detected is placed on the placement table, the workpiece is clamped and limited by the clamping assembly, the handle is rotated to drive the bidirectional screw rod to rotate, so that the clamping plate is close to the workpiece and clamps the workpiece, at the same time, the electromagnet fixedly connected to the middle of the upper surface of the placement table can attract the workpiece, further enhancing the clamping stability, the placement table is rotated by the rotating assembly, the servo motor drives the worm to rotate, and then drives the worm wheel and the connecting shaft to rotate, realizing the rotation of the placement table and the workpiece, the position of the detector body is adjusted by the adjusting assembly to adapt to different workpieces and detection requirements, the adjusting assembly includes a longitudinal electric guide rail, a guide frame, a transverse electric guide rail and a vertical electric guide rail, the lower ends of the longitudinal electric guide rail and the guide frame are connected with the transverse electric guide rail through the first sliding block and the second sliding block respectively, realizing the longitudinal movement of the transverse electric guide rail, the front end of the transverse electric guide rail is connected with the vertical electric guide rail through the third sliding block, realizing the transverse movement of the vertical electric guide rail, and the vertical electric guide rail drives the detector body to move up and down through the mounting plate, and the flatness of the workpiece is observed and detected by observing the pointer on the detector body.

[0018] In the utility model, the workpiece surface flatness detection device for numerical control machining avoids the problems of low efficiency and detection results affected by human factors caused by traditional manual detection through the automatic driving mode, improves the detection precision and efficiency, and the detector body can be flexibly adjusted in position through the design of the adjusting assembly to adapt to the detection requirements of workpieces of different sizes and shapes, and the worm wheel and the worm have self-locking property and can maintain the stability of the stationary placement table.

[0019] In the utility model, the workpiece surface flatness detection device for numerical control machining can perform rotary detection on the surface of the workpiece through the addition of the rotating assembly, further widening the detection range, and the structure of the device is relatively simple, the connection and adjustment mode between the components are intuitive and easy to understand, and the operation is convenient and fast, and at the same time, the stability and safety of the workpiece in the detection process are ensured through the adsorption of the electromagnet and the clamping of the clamping assembly. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0021] Figure 1 It is a three-dimensional structure schematic view of an embodiment of the utility model;

[0022] Figure 2It is the inside three-dimensional structure schematic view of the detection box of one embodiment of the utility model;

[0023] Figure 3 It is the detection display three-dimensional structure schematic view of one embodiment of the utility model;

[0024] Figure 4 It is the three-dimensional structure schematic view of the adjusting assembly of one embodiment of the utility model;

[0025] Figure 5 It is the three-dimensional structure schematic view of the rotating assembly of one embodiment of the utility model.

[0026] In the figure: 1, detection box;2, placing table;3, longitudinal electric guide rail;4, first sliding block;5, guide frame;6, second sliding block;7, transverse electric guide rail;8, third sliding block;9, vertical electric guide rail;10, mounting plate;11, detector body;12, mounting frame;13, bidirectional screw;14, clamping plate;15, electromagnet;16, handle;17, first support frame;18, connecting shaft;19, worm gear;20, worm;21, second support frame;22, servo motor;23, circular limit frame;24, PLC control module;25, protective door;26, observation window;27, through hole. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] In the description of the utility model, it should be understood that the terms "opening", "upper", "middle", "length", "inner" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0029] In order to keep the following description of the embodiments of the utility model clear and concise, the utility model omits the detailed description of known functions and known components.

[0030] Embodiment 1: refer to Figures 1-5 A detection device, comprising:

[0031] The detection box 1 is rotationally connected with the placing table 2 in the middle, which is used for placing workpieces, and the upper end of the placing table 2 is provided with a detector body 11 for detecting the flatness of the workpieces.

[0032] The adjusting assembly comprises a longitudinal electric guide rail 3 fixedly installed on one side of the upper end inside the detection box 1, a guide frame 5 fixedly connected on the other side of the upper end inside the detection box 1, a transverse electric guide rail 7 arranged at the lower end of the longitudinal electric guide rail 3 and the guide frame 5, and a vertical electric guide rail 9 arranged at the front end of the transverse electric guide rail 7, which is used to adjust the position of the detection instrument body 11.

[0033] The rotating assembly comprises a connecting shaft 18 rotatably connected inside the lower end of the detection box 1, the upper end of the connecting shaft 18 is fixedly connected with the lower end of the placing table 2, the outer wall of the middle part of the connecting shaft 18 is fixedly connected with a worm gear 19, and one side of the worm gear 19 is engagedly connected with a worm 20, which is used to drive the placing table 2 to rotate.

[0034] The clamping assembly is installed on the upper end of the placing table 2 and is used to clamp and limit the workpiece to be detected.

[0035] In the above technical solution, the workpiece to be detected is placed on the placing table 2, the position of the detection instrument body 11 is adjusted by the adjusting assembly to adapt to different workpieces and detection requirements, the adjusting assembly comprises the longitudinal electric guide rail 3, the guide frame 5, the transverse electric guide rail 7 and the vertical electric guide rail 9, the placing table 2 is driven to rotate by the rotating assembly, the worm 20 rotates, and then the worm gear 19 and the connecting shaft 18 are driven to rotate, so that the rotation of the placing table 2 and the workpiece is realized, the flatness of the workpiece is observed by observing the pointer on the detection instrument body 11.

[0036] In one aspect of the embodiment, as shown in Figure 5 The clamping assembly comprises an installation frame 12 fixedly installed at the front end and the rear end of the placing table 2, a bidirectional screw rod 13 rotatably connected in the middle part of the installation frame 12, the middle part of the bidirectional screw rod 13 rotatably connected with the placing table 2, a clamping plate 14 threadedly sleeved on the outer wall of the front end and the rear end of the bidirectional screw rod 13, which is used to clamp the workpiece, a handle 16 fixedly connected with the front end and the rear end of the bidirectional screw rod 13 and penetrating through the installation frame 12, which is used to rotate the bidirectional screw rod 13, an electromagnet 15 fixedly connected on the middle part of the upper surface of the placing table 2, which is used to adsorb the workpiece, and a circular limiting frame 23 fixedly connected in the middle part of the detection box 1, the lower end of the installation frame 12 is slidingly connected inside the circular limiting frame 23, which is used to limit the placing table 2.

[0037] In the above technical solution, the bidirectional screw rod 13 is driven to rotate by rotating the handle 16, so that the clamping plate 14 approaches the workpiece and clamps the workpiece, at the same time, the electromagnet 15 fixedly connected on the middle part of the upper surface of the placing table 2 can adsorb the workpiece, and the clamping stability is further enhanced.

[0038] In one aspect of the embodiment, as shown in Figure 5As shown, the middle of the bottom surface of the detection box 1 is fixedly connected with a first support frame 17, a connecting shaft 18 is rotatably connected with the first support frame 17, one side of the upper end of the first support frame 17 is rotatably connected with a worm 20, a worm gear 19 is meshingly connected with the worm 20, and the worm gear 19 and the worm 20 are both located at the upper end of the first support frame 17 and are used for limiting the worm gear 19 and the worm 20, the rear end of the bottom surface of the detection box 1 is fixedly connected with a second support frame 21, the upper end of the second support frame 21 is fixedly connected with a servo motor 22, and the output end of the servo motor 22 is fixedly connected with the rear end of the worm 20 and is used for driving the worm 20 to rotate.

[0039] In the above technical solution, the servo motor 22 drives the worm 20 to rotate, and then drives the worm gear 19 and the connecting shaft 18 to rotate, so as to realize the rotation of the placement table 2 and the workpiece.

[0040] The present application can be used in the field of detection equipment, and can also be used in other fields applicable to the present application.

[0041] Embodiment 2: improvement based on embodiment 1: a workpiece surface flatness detection device for numerical control machining, which is used in the field of workpiece flatness detection,

[0042] In one aspect of the present embodiment, as shown in Figure 4 As shown, the lower end of the longitudinal electric guide rail 3 is threadedly connected with a first sliding block 4, the lower end of the guide frame 5 is slidably connected with a second sliding block 6, the lower ends of the first sliding block 4 and the second sliding block 6 are fixedly connected with the transverse electric guide rail 7, which is used to drive the transverse electric guide rail 7 to move longitudinally, the front end of the transverse electric guide rail 7 is threadedly connected with a third sliding block 8, the front end of the third sliding block 8 is threadedly connected with the vertical electric guide rail 9, which is used to drive the vertical electric guide rail 9 to move transversely, and the lower part of the outer wall of the front end of the vertical electric guide rail 9 is fixedly connected with a mounting plate 10 through bolts, and the lower end of the mounting plate 10 is fixedly connected with a detector body 11, which is used to drive the detector body 11 to move up and down.

[0043] In the above technical solution, the lower ends of the longitudinal electric guide rail 3 and the guide frame 5 are connected with the transverse electric guide rail 7 through the first sliding block 4 and the second sliding block 6 respectively, so as to realize the longitudinal movement of the transverse electric guide rail 7, the front end of the transverse electric guide rail 7 is connected with the vertical electric guide rail 9 through the third sliding block 8, so as to realize the transverse movement of the vertical electric guide rail 9, and the vertical electric guide rail 9 drives the detector body 11 to move up and down through the mounting plate 10.

[0044] In one aspect of the present embodiment, as shown in Figure 3 As shown, the upper end of the mounting plate 10 is provided with a plurality of through holes 27, which are used to adjust the position of the mounting plate 10 on the vertical electric guide rail 9.

[0045] In the above technical solution, the plurality of through holes 27 are provided to facilitate the installation and adjustment of the height position of the detector body 11.

[0046] In another aspect of the embodiment, as shown in the figure, the outer wall on one side of the detection box 1 is fixedly connected with a PLC control module 24, and the front end of the detection box 1 is rotatably connected with a protective door 25, and the front end of the protective door 25 is provided with an observation window 26. Figure 1

[0047] In the above technical solution, the PLC control module 24 is electrically connected with the longitudinal electric guide rail 3, the transverse electric guide rail 7, the vertical electric guide rail 9 and the servo motor.

[0048] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0049] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details exhaustively, nor limit the utility model to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.​

Claims

1. A workpiece surface flatness detection device for numerical control machining, characterized by, Include: The detection box (1), the middle part of the detection box (1) is rotatably connected with a placing table (2) for placing workpieces, and the upper end of the placing table (2) is provided with a detector body (11) for detecting the flatness of the workpieces; The adjusting assembly includes a longitudinal electric guide rail (3) fixedly installed on one side of the upper end of the inside of the detection box (1), the other side of the upper end of the inside of the detection box (1) is fixedly connected with a guide frame (5), the lower end of the longitudinal electric guide rail (3) and the guide frame (5) is provided with a transverse electric guide rail (7), the front end of the transverse electric guide rail (7) is provided with a vertical electric guide rail (9) for adjusting the position of the detector body (11); The rotating assembly includes a connecting shaft (18) rotatably connected to the inside of the lower end of the detection box (1), the upper end of the connecting shaft (18) is fixedly connected with the lower end of the placing table (2), the outer wall of the middle part of the connecting shaft (18) is fixedly connected with a worm gear (19) for driving the placing table (2) to rotate; The clamping assembly is installed on the upper end of the placing table (2) for clamping and limiting the workpiece to be detected.

2. The workpiece surface flatness detection device for numerical control machining according to claim 1, wherein The clamping assembly includes a mounting frame (12) fixedly installed on the front end and the rear end of the placing table (2), a bidirectional screw rod (13) rotatably connected to the middle part of the mounting frame (12), the middle part of the bidirectional screw rod (13) rotatably connected with the placing table (2), the outer wall of the front end and the rear end of the bidirectional screw rod (13) is threadedly sleeved with a clamping plate (14) for clamping the workpiece, the front end and the rear end of the bidirectional screw rod (13) penetrates the mounting frame (12) and is fixedly connected with a handle (16) for rotating the bidirectional screw rod (13), the middle part of the upper surface of the placing table (2) is fixedly connected with an electromagnet (15) for adsorbing the workpiece, the middle part of the detection box (1) is fixedly connected with a circular limiting frame (23), the lower end of the mounting frame (12) is slidingly connected inside the circular limiting frame (23) for limiting the placing table (2).

3. The device for detecting flatness of a workpiece surface for NC machining according to claim 1, wherein The middle part of the inner bottom surface of the detection box (1) is fixedly connected with a first support frame (17), the connecting shaft (18) is rotatably connected with the first support frame (17), one side of the upper end of the first support frame (17) is rotatably connected with a worm gear (20), the worm gear (19) is meshingly connected with the worm gear (20), the worm gear (19) and the worm gear (20) are located on the upper end of the first support frame (17) for limiting the worm gear (19) and the worm gear (20), the rear end of the inner bottom surface of the detection box (1) is fixedly connected with a second support frame (21), the upper end of the second support frame (21) is fixedly connected with a servo motor (22), the output end of the servo motor (22) is fixedly connected with the rear end of the worm gear (20) for driving the worm gear (20) to rotate.

4. The device for detecting flatness of a workpiece surface for NC machining according to claim 1, wherein The lower end of the longitudinal electric guide rail (3) is threadedly connected with a first sliding block (4), the lower end of the guide frame (5) is slidably connected with a second sliding block (6), the lower ends of the first sliding block (4) and the second sliding block (6) are fixedly connected with a transverse electric guide rail (7) for driving the transverse electric guide rail (7) to move longitudinally, the front end of the transverse electric guide rail (7) is threadedly connected with a third sliding block (8), the front end of the third sliding block (8) is threadedly connected with a vertical electric guide rail (9) for driving the vertical electric guide rail (9) to move transversely, the lower part of the outer wall of the front end of the vertical electric guide rail (9) is fixedly connected with a mounting plate (10) through bolts, and the lower end of the mounting plate (10) is fixedly connected with a detector body (11) for driving the detector body (11) to move up and down.

5. The device for detecting flatness of a workpiece surface for NC machining according to claim 4, wherein The upper end of the mounting plate (10) is provided with a plurality of through holes (27) for adjusting the position of the mounting plate (10) on the vertical electric guide rail (9).

6. The device for detecting flatness of a workpiece surface for NC machining according to claim 1, wherein The outer wall of one side of the detection box (1) is fixedly connected with a PLC control module (24), the front end of the detection box (1) is rotatably connected with a protective door (25), and the front end of the protective door (25) is provided with an observation window (26).

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