Size detection device

Abstract

The utility model discloses a dimension detection device, which relates to the technical field of profile dimension detection and comprises a workbench, a mounting plate is movably mounted at the bottom of the workbench, a plurality of groups of distance sensors are fixedly mounted on the mounting plate, and positioning mechanisms are fixedly mounted on the left side and the right side of the top of the workbench respectively. The positioning mechanism comprises a fixing frame, a positioning plate is installed on the side, close to the middle of the workbench, of the fixing frame in a liftable mode, a positioning sliding block is movably installed on the positioning plate, and a positioning rod is detachably installed on the positioning sliding block. According to the design scheme, through the design that the positioning mechanisms are fixedly installed on the left side and the right side of the top of the workbench respectively, after the sectional material is positioned, the horizontal height difference of multiple point positions on the same straight line of the sectional material is detected through the distance sensors, and the straightness of the sectional material can be calculated, so that the straightness of the sectional material does not need to be checked with naked eyes; and the detection accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of profile size detection, in particular to a size detection device. Background Art

[0002] Aluminum profiles are aluminum materials with different cross-sectional shapes obtained by hot melting and extruding aluminum rods. Since some aluminum cast rods contain more impurities, the surface of the aluminum alloy profiles will be dented during the extrusion process and the subsequent quenching, straightening and sawing processes, affecting the quality of the finished product. Therefore, it is necessary to test the straightness of the finished profile. In the existing technology, the straightness of the profile is usually checked by the naked eye, which has low accuracy. Utility Model Content

[0003] In order to overcome the above-mentioned defects in the prior art, the utility model provides a size detection device.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a size detection device, including a workbench, a mounting plate is movably installed at the bottom of the workbench, a plurality of groups of distance sensors are fixedly installed on the mounting plate, and positioning mechanisms are respectively fixedly installed on the left and right sides of the top of the workbench, and the positioning mechanism includes a fixing frame, a positioning plate is liftably installed on one side of the fixing frame close to the middle of the workbench, a positioning slide block is movably installed on the positioning plate, and a positioning rod is detachably installed on the positioning slide block.

[0005] Furthermore, the fixing frame is fixedly installed on the workbench, two sets of guide rods are fixedly installed on the top of the fixing frame, the positioning plate is slidably installed on the guide rods, a threaded rod is cooperatedly installed on the positioning plate, the threaded rod is fixedly installed on the fixing frame, and a locking nut is cooperatedly installed on the end of the threaded rod.

[0006] Furthermore, a sliding groove is provided at one end of the positioning plate away from the fixed frame, and the positioning slider is slidably installed in the sliding groove. A locking bolt is installed at the front end of the positioning plate, and the end of the locking bolt abuts against the front side wall of the positioning slider. A baffle is fixedly installed at the rear end of one side of the positioning plate close to the middle of the workbench.

[0007] Furthermore, a threaded portion is provided at the end of the positioning rod, a threaded hole is provided on the side wall of the positioning slider close to the outer side of the workbench, a clearance hole is provided at the bottom of the threaded hole, a threaded portion matching the threaded hole is provided on the positioning rod, and a screwing groove is provided on the threaded portion.

[0008] Furthermore, slide seats are fixedly installed on the left and right ends of the mounting plate, a polished rod is slidably installed on the slide seat, brackets are fixedly installed on both ends of the polished rod, the brackets are fixedly installed on the bottom of the workbench, a lead screw is provided between the two groups of the polished rods, the lead screw is rotatably installed on the bottom of the workbench, a lead screw nut is cooperated with the lead screw, the lead screw nut is fixedly installed on the bottom of the mounting plate, and a knob is fixedly installed on the front end of the lead screw.

[0009] Furthermore, a through slot is provided on the top plate of the workbench and runs through the top and bottom, and the distance sensor is located in the through slot.

[0010] The beneficial effect of the utility model is that the design of the utility model is designed with a positioning mechanism fixedly installed on the left and right sides of the top of the workbench respectively. By adjusting the position of the positioning plate and the positioning slider, and connecting the profile and the positioning slider to each other through the positioning rod, the positioning of profiles of different specifications can be achieved, thereby effectively improving the versatility of the device. After positioning the profile, the operator adjusts the front and rear positions of the mounting plate so that the distance sensor can detect the bottom surface of the profile. By detecting the horizontal height difference of multiple points on the same straight line of the profile, the straightness of the profile can be calculated, thereby eliminating the need for manual visual inspection of the straightness of the profile, thereby improving the accuracy of the detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0013] Figure 2 It is the front view of the utility model;

[0014] Figure 3 It is a top view of the utility model;

[0015] Figure 4 It is a left view of the utility model;

[0016] Figure 5 for Figure 2 Schematic diagram of the cross-sectional structure in the AA direction;

[0017] Figure 6 for Figure 3 Schematic diagram of the cross-sectional structure in the middle BB direction;

[0018] Figure 7 for Figure 6 A partial enlarged view of the middle C area;

[0019] Figure 8 It is a structural schematic diagram of the positioning mechanism of the utility model.

[0020] In the figure: 1. workbench, 2. mounting plate, 3. distance sensor, 4. fixing frame, 5. positioning plate, 51. slide groove, 6. positioning slide block, 61. threaded hole, 62. clearance hole, 7. positioning rod, 71. threaded part, 72. screw groove, 8. guide rod, 9. threaded rod, 10. locking nut, 11. locking bolt, 12. baffle, 13. slide seat, 14. bare rod, 15. bracket, 16. lead screw, 17. lead screw nut, 18. knob, 19. through groove. DETAILED DESCRIPTION

[0021] In order to more clearly illustrate the technical solution of the utility model, the utility model is further described below in conjunction with the accompanying drawings. Obviously, the accompanying drawings described below are only one embodiment of the utility model. For ordinary technicians in this field, without paying any creative work, other embodiments can be obtained based on this drawing and embodiment, which all belong to the protection scope of the utility model.

[0022] according to Figure 1-8 As shown, a size detection device includes a workbench 1, a mounting plate 2 is movably installed at the bottom of the workbench 1, a plurality of distance sensors 3 are fixedly installed on the mounting plate 2, a positioning mechanism is fixedly installed on the left and right sides of the top of the workbench 1, the positioning mechanism includes a fixing frame 4, a positioning plate 5 is liftably installed on one side of the fixing frame 4 close to the middle of the workbench 1, a positioning slide block 6 is movably installed on the positioning plate 5, and a positioning rod 7 is detachably installed on the positioning slide block 6.

[0023] In this embodiment, the fixing frame 4 is fixedly mounted on the workbench 1 by bolts, two sets of guide rods 8 are fixedly mounted on the top of the fixing frame 4, the positioning plate 5 is slidably mounted on the guide rods 8, a threaded rod 9 is inserted on the positioning plate 5, the threaded rod 9 is fixedly mounted on the fixing frame 4, and a locking nut 10 is mounted on the end of the threaded rod 9 through threaded cooperation.

[0024] In this embodiment, a slide groove 51 is provided at one end of the positioning plate 5 away from the fixing frame 4, and the positioning slider 6 is slidably installed in the slide groove 51. A locking bolt 11 is installed at the front end of the positioning plate 5 through threaded cooperation, and the end of the locking bolt 11 abuts against the front side wall of the positioning slider 6. A baffle 12 is welded to the rear end of one side of the positioning plate 5 close to the middle of the workbench 1. The two ends of the profile are connected to the positioning slider 6 through the positioning rod 7. By tightening the locking bolt 11, the positioning slider 6 is moved closer to the baffle 12, thereby pushing the profile to abut against the baffle 12, and the profile is positioned with the cooperation of the baffle 12 and the positioning rod 7.

[0025] In this embodiment, a threaded portion 71 is provided at the end of the positioning rod 7, a threaded hole 61 is provided on the side wall of the positioning slider 6 close to the outer side of the workbench 1, a clearance hole 62 is provided at the bottom of the threaded hole 61, a threaded portion 71 matching the threaded hole 61 is provided on the positioning rod 7, a screwing groove 72 is provided on the threaded portion 71, and the positioning rod 7 is installed on the positioning slider 6 through threaded cooperation. According to the size of the end face center hole of the profile to be inspected, a corresponding positioning rod 7 is selected and installed on the positioning slider 6.

[0026] In this embodiment, slides 13 are fixedly installed at the left and right ends of the mounting plate 2, and a polished rod 14 is slidably installed on the slide 13. Brackets 15 are fixedly installed at both ends of the polished rod 14, and the brackets 15 are fixedly installed at the bottom of the workbench 1. A lead screw 16 is provided between the two groups of polished rods 14. The lead screw 16 is rotatably installed at the bottom of the workbench 1 through a bearing frame. A lead screw nut 17 is installed on the lead screw 16, and the lead screw nut 17 is fixedly installed at the bottom of the mounting plate 2. A knob 18 is fixedly installed at the front end of the lead screw 16. The operator rotates the lead screw 16 by turning the knob 18, and the mounting plate 2 slides along the polished rod 14 under the cooperation of the lead screw 16 and the lead screw nut 17, thereby slightly adjusting the front and rear positions of the distance sensor 3 to be suitable for profiles of different specifications.

[0027] In this embodiment, a through groove 19 is provided on the top plate of the workbench 1 and runs through from top to bottom. The distance sensor 3 is located in the through groove 19. The distance sensor 3 passes through the through groove 19 to detect the profile on the workbench 1. The straightness of the profile can be calculated by detecting the horizontal height difference of multiple points on the same straight line of the profile.

[0028] When the utility model is in use, the profile to be detected is first placed between the two groups of positioning plates 5, and then the positioning rod 7 corresponding to the size of the center hole of the end face of the profile to be detected is selected and installed on the positioning slide block 6, so that the positioning rod 7 is inserted into the center hole of the profile, and then the height of the positioning plate 5 is adjusted, and the bottom surface of the profile is tightly attached to the top surface of the workbench 1 by tightening the locking nut 10, and then the locking bolt 11 is tightened to make the rear side of the profile tightly attached to the baffle 12, thereby completing the positioning of the profile. When detecting profiles of different specifications, the positions of the positioning plate 5 and the positioning slide block 6 can be flexibly adjusted so that it can be suitable for profiles of different specifications, effectively improving the versatility of the device. After positioning the profile, the operator adjusts the front and rear positions of the mounting plate 2 by turning the knob 18, so that the distance sensor 3 can detect the bottom surface of the profile, and the horizontal height difference of multiple points on the same straight line of the profile can be calculated. Thereby, there is no need to check the straightness of the profile with the naked eye, thereby improving the accuracy of detection.

[0029] The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention. The protection scope of the present invention is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present invention within the essence and protection scope of the present invention, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present invention.

Claims

1. A size detection device, comprising a workbench (1), characterized in that: A mounting plate (2) is movably mounted at the bottom of the workbench (1), and a plurality of distance sensors (3) are fixedly mounted on the mounting plate (2). Positioning mechanisms are fixedly mounted on the left and right sides of the top of the workbench (1), respectively. The positioning mechanism comprises a fixing frame (4), and a positioning plate (5) is movably mounted on one side of the fixing frame (4) close to the middle of the workbench (1). A positioning slide block (6) is movably mounted on the positioning plate (5), and a positioning rod (7) is detachably mounted on the positioning slide block (6).

2. A size detection device according to claim 1, characterized in that: The fixing frame (4) is fixedly mounted on the workbench (1); two sets of guide rods (8) are fixedly mounted on the top of the fixing frame (4); the positioning plate (5) is slidably mounted on the guide rods (8); a threaded rod (9) is cooperatively mounted on the positioning plate (5); the threaded rod (9) is fixedly mounted on the fixing frame (4); and a locking nut (10) is cooperatively mounted on the end of the threaded rod (9).

3. A size detection device according to claim 2, characterized in that: A slide groove (51) is provided at one end of the positioning plate (5) away from the fixing frame (4), and the positioning slide block (6) is slidably installed in the slide groove (51). A locking bolt (11) is installed at the front end of the positioning plate (5), and the end of the locking bolt (11) abuts against the front side wall of the positioning slide block (6). A baffle plate (12) is fixedly installed at the rear end of one side of the positioning plate (5) close to the middle of the workbench (1).

4. A size detection device according to claim 3, characterized in that: The end of the positioning rod (7) is provided with a threaded portion (71), the side wall of the positioning slide block (6) close to the outer side of the workbench (1) is provided with a threaded hole (61), the bottom of the threaded hole (61) is provided with a clearance hole (62), the positioning rod (7) is provided with a threaded portion (71) matching the threaded hole (61), and the threaded portion (71) is provided with a screwing groove (72).

5. A size detection device according to claim 1, characterized in that: A slide seat (13) is fixedly installed at the left and right ends of the mounting plate (2), a light rod (14) is slidably installed on the slide seat (13), brackets (15) are fixedly installed at both ends of the light rod (14), and the brackets (15) are fixedly installed at the bottom of the workbench (1), a lead screw (16) is provided between the two groups of the light rods (14), the lead screw (16) is rotatably installed at the bottom of the workbench (1), a lead screw nut (17) is installed on the lead screw (16), and the lead screw nut (17) is fixedly installed at the bottom of the mounting plate (2), and a knob (18) is fixedly installed at the front end of the lead screw (16).

6. A size detection device according to claim 5, characterized in that: A through slot (19) is provided on the top plate of the workbench (1) and runs through the top and bottom, and the distance sensor (3) is located in the through slot (19).

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