Visual inspection alignment mechanism

Abstract

The utility model discloses a visual inspection alignment mechanism which comprises a detection machine base, a groove is formed in the detection machine base, a cross-shaped support is rotationally arranged in the groove through a rotating shaft, a detection positioning seat is arranged on the cross-shaped support, an alignment mechanism is arranged in the groove, and the alignment mechanism comprises an elastic positioning protrusion elastically arranged on the inner wall of the groove in a sliding mode. An elastic positioning protrusion is arranged in the groove in the upper side of the detection machine base, a positioning groove is formed in one end of the cross-shaped support, the elastic positioning protrusion and the positioning groove are elastically clamped, and the lower side of the rotating shaft is in transmission connection with a first motor through a first gear set. The first motor and the first gear set drive the cross-shaped support and the detection positioning seat to horizontally rotate and adjust, the elastic positioning protrusion is clamped in the positioning groove in the outer side of one end of the cross-shaped support and used for conducting alignment fixing treatment on the lower portion of the detection positioning seat which rotates in place, and the visual detection precision can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of visual detection, in particular to a visual detection alignment mechanism. Background Art

[0002] Visual inspection is to use machines to replace human eyes for measurement and judgment. Visual inspection refers to the process of converting the captured target into an image signal through machine vision products, transmitting it to a dedicated image processing system, and converting it into a digital signal based on pixel distribution, brightness, color and other information; the image system performs various operations on these signals to extract the characteristics of the target, and then controls the equipment action on site based on the results of the judgment. It is a valuable mechanism for production, assembly or packaging. It has inestimable value in the function of detecting defects and preventing defective products from being delivered to consumers. When visual inspection is performed on multiple products continuously, a positioning mechanism is required to position the detection seat.

[0003] A visual inspection alignment mechanism with application number CN202021075853.9 in the prior art facilitates the alignment of the product inspection position through the setting of an adjustment mechanism, an up and down moving mechanism, and a guide needle contact mechanism, thereby improving the inspection efficiency and quality. However, it is not convenient to align and fix the lower part of the inspection positioning seat after it is rotated into place, which affects the accuracy of switching the inspection station and thus affects the accuracy of visual inspection. Utility Model Content

[0004] The utility model aims to provide a visual inspection alignment mechanism to solve the problem in the prior art that it is inconvenient to align and fix the lower part of the detection positioning seat after it is rotated into place, which affects the accuracy of switching the detection station and thus affects the accuracy of visual inspection.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a visual detection alignment mechanism, including a detection base, a groove is opened inside the upper side of the detection base, a cross support is arranged inside the groove through the rotation of a rotating shaft, a detection positioning seat is installed on the upper side of the cross support, an alignment mechanism is installed on the inner side of the groove, the alignment mechanism includes an elastic positioning protrusion elastically slidably arranged on the inner wall of the groove, a positioning groove is opened on the outer side of one end of the cross support, and the elastic positioning protrusion is elastically clamped with the positioning groove, the lower side of the rotating shaft is connected to a first motor through a first gear set, a stand is installed on the upper side of the detection base, and a visual detection camera is hinged on the inner wall of the stand through a lead screw, a connecting seat and a connecting shaft.

[0006] Furthermore, the first gear set is a reduction gear set, and the first motor is fixedly installed on the lower side of the detection base.

[0007] Furthermore, one end of the elastic positioning protrusion is configured to be hemispherical, and the positioning groove is configured to be a hemispherical groove.

[0008] Furthermore, one end of the elastic positioning protrusion is slidably disposed in a limiting sliding groove of the detection base through a limiting sliding block, and a spring is disposed in the limiting sliding groove.

[0009] Furthermore, a metal rod is installed at one end of the limiting sliding block, and an electromagnet is arranged inside one end of the limiting sliding groove.

[0010] Furthermore, the screw includes a screw rod rotatably arranged on the inner side of the stand, a sliding seat is provided on the screw rod for threaded sliding, the connecting seat is vertically welded to one side of the sliding seat, and one end of the connecting shaft is connected to the second motor through a second gear set.

[0011] Furthermore, a photoelectric sensor is provided on the inner wall of the groove, a PLC control cabinet is provided on the outer side of the stand, and the photoelectric sensor, the first motor and the electromagnet are all electrically connected to the PLC control cabinet.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model detects a positioning mechanism provided in a groove on the upper side of a machine base. The positioning mechanism includes an elastic positioning protrusion elastically slidably arranged on the inner wall of the groove, so that the cross support and the detection positioning seat are driven by a first motor and a first gear set to rotate and adjust horizontally, so that the elastic positioning protrusion is clamped in the positioning groove on the outer side of one end of the cross support, which is used to perform positioning and fixing processing on the lower part of the detection positioning seat after it is rotated into position, thereby improving the accuracy of switching the detection station and facilitating improving the accuracy of visual detection.

[0014] The utility model also has an elastic positioning protrusion that is slidably arranged in a limiting slide groove of a detection base through a limiting slider, a spring is arranged in the limiting slide groove, a metal rod is installed at one end of the limiting slider, an electromagnet is arranged inside one end of the limiting slide groove, a photoelectric sensor is arranged on the inner wall of the groove, a PLC control cabinet is arranged on the outer side of the stand, and the photoelectric sensor, the first motor and the electromagnet are all electrically connected to the PLC control cabinet, so that when the cross support is rotated and adjusted, the photoelectric sensor cannot detect that it is blocked by something, the electromagnet is energized and magnetized, and the elastic positioning protrusion is held in the limiting slide groove under the action of the magnetism, and the cross support continues to rotate. When the upper part of the photoelectric sensor is blocked by something, it indicates that the cross support has rotated into place. At this time, the electromagnet is powered off and demagnetized, and the elastic positioning protrusion moves and is clamped in the positioning groove on the outer side of one end of the cross support under the action of the spring, thereby performing limiting processing on the cross support after adjustment.

[0015] The utility model has a stand installed on the upper side of the detection machine base, and the inner wall of the stand is hinged with a visual detection camera through a screw, a connecting seat and a connecting shaft, so that the visual detection camera can be driven to rise and fall through the screw, thereby meeting the visual detection processing at different angles, which is beneficial to improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 This is the overall structural front view of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the detection and positioning seat of the utility model;

[0019] Figure 3 This is a schematic diagram of the cross support structure of the utility model;

[0020] Figure 4 It is an enlarged schematic diagram of the structure at point A of the present utility model.

[0021] In the figure: 1. detection base; 2. stand; 3. slide; 4. screw; 5. connecting base; 6. connecting shaft; 7. visual detection camera; 8. second gear set; 9. second motor; 10. detection positioning base; 11. cross support; 12. positioning groove; 13. rotating shaft; 14. first gear set; 15. first motor; 16. photoelectric sensor; 17. groove; 18. elastic positioning protrusion; 19. limit slider; 20. metal rod; 21. electromagnet; 22. spring; 23. limit slide; 24. PLC control cabinet. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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] See also Figure 1 , Figure 2 , Figure 3 , Figure 4In the embodiment of the utility model, a visual detection alignment mechanism includes a detection base 1, a groove 17 is opened inside the upper side of the detection base 1, a cross support 11 is arranged inside the groove 17 through a rotating shaft 13, a detection positioning seat 10 is installed on the upper side of the cross support 11, and an alignment mechanism is installed inside the groove 17. The alignment mechanism includes an elastic positioning protrusion 18 elastically slidably arranged on the inner wall of the groove 17, and a positioning groove 12 is opened on the outer side of one end of the cross support 11, so that the cross support 11 and the detection positioning seat 10 are driven by the first motor 15 and the first gear set 14 to rotate horizontally, so that the elastic positioning protrusion 18 can be adjusted horizontally. The lever 18 is clamped in the positioning groove 12 on the outer side of one end of the cross support 11, and is used to align and fix the lower part of the detection positioning seat 10 after it is rotated into place, thereby improving the accuracy of switching the detection station, and is beneficial to improving the accuracy of visual detection. The lower side of the rotating shaft 13 is connected to the first motor 15 through the first gear set 14, and a stand 2 is installed on the upper side of the detection base 1, and a visual detection camera 7 is hinged on the inner wall of the stand 2 through a screw, a connecting seat 5 and a connecting shaft 6, so that the visual detection camera 7 can be driven to rise and fall by the screw, thereby being able to meet the visual detection processing at different angles, which is beneficial to improving the efficiency of detection.

[0024] Preferably, the first gear set 14 is a reduction gear set, and the first motor 15 is fixedly installed on the lower side of the detection base 1, so as to facilitate driving the cross support 11 and the detection positioning base 10 to rotate horizontally to adjust and switch the detection position.

[0025] Preferably, one end of the elastic positioning protrusion 18 is set to a hemispherical shape, and the positioning groove 12 is set to a hemispherical groove. One end of the elastic positioning protrusion 18 is slidably set in the limiting slide groove 23 of the detection base 1 through the limiting slider 19. A spring 22 is provided in the limiting slide groove 23, which is used to align and fix the lower part of the detection positioning seat 10 after it is rotated into place, so as to improve the accuracy of switching the detection station.

[0026] Preferably, the lead screw includes a lead screw 4 rotatably arranged on the inner side of the stand 2, a slide seat 3 is slidably provided on the lead screw 4, a connecting seat 5 is vertically welded on one side of the slide seat 3, and one end of the connecting shaft 6 is connected to the second motor 9 through the second gear set 8, so that the second motor 9 can be driven by the second motor 9 and the second gear set 8 to adjust the longitudinal tilt for use, so as to meet the visual inspection needs at different angles.

[0027] Preferably, a metal rod 20 is installed at one end of the limit slider 19, an electromagnet 21 is provided inside one end of the limit slide groove 23, a photoelectric sensor 16 is provided on the inner wall of the groove 17, a PLC control cabinet 24 is provided on the outer side of the stand 2, and the photoelectric sensor 16, the first motor 15 and the electromagnet 21 are all electrically connected to the PLC control cabinet 24, so that when the cross support 11 is rotated and adjusted so that the photoelectric sensor 16 cannot detect that it is blocked by something, the electromagnet 21 is energized and magnetized, and the elastic positioning protrusion 18 is attracted in the limit slide groove 23 under the action of magnetism, and the cross support 11 continues to rotate. When the upper part of the photoelectric sensor 16 is blocked by something, it means that the cross support 11 has rotated into place. At this time, the electromagnet 21 is powered off and demagnetized, and the elastic positioning protrusion 18 moves and is stuck in the positioning groove 12 on the outer side of one end of the cross support 11 under the action of the spring 22, thereby performing the limit processing after the cross support 11 is adjusted.

[0028] The working principle and use process of the utility model are as follows: through the alignment mechanism provided in the groove 17 on the upper side of the detection base 1, the alignment mechanism includes an elastic positioning protrusion 18 elastically slidably arranged on the inner wall of the groove 17, and a positioning groove 12 is opened on the outer side of one end of the cross support 11, so that the cross support 11 and the detection positioning seat 10 are driven by the first motor 15 and the first gear set 14 to be horizontally rotated and adjusted, so that the elastic positioning protrusion 18 is clamped in the positioning groove 12 on the outer side of one end of the cross support 11, which is used to align and fix the lower part of the detection positioning seat 10 after it is rotated into place, which is beneficial to improve the accuracy of visual inspection.

[0029] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A visual inspection alignment mechanism, comprising an inspection base (1), characterized in that: A groove (17) is provided inside the upper side of the detection base (1), a cross support (11) is rotatably provided inside the groove (17) via a rotating shaft (13), a detection positioning seat (10) is installed on the upper side of the cross support (11), an alignment mechanism is installed inside the groove (17), the alignment mechanism comprises an elastic positioning protrusion (18) elastically slidably arranged on the inner wall of the groove (17), a positioning groove (12) is provided on the outer side of one end of the cross support (11), and the elastic positioning protrusion (18) is elastically clamped with the positioning groove (12), a first motor (15) is connected to the lower side of the rotating shaft (13) via a first gear set (14), a stand (2) is installed on the upper side of the detection base (1), and a visual detection camera (7) is hinged on the inner wall of the stand (2) via a lead screw, a connecting seat (5) and a connecting shaft (6).

2. A visual detection alignment mechanism according to claim 1, characterized in that: The first gear set (14) is a reduction gear set, and the first motor (15) is fixedly mounted on the lower side of the detection base (1).

3. A visual detection alignment mechanism according to claim 1, characterized in that: One end of the elastic positioning protrusion (18) is configured to be hemispherical, and the positioning groove (12) is configured to be a hemispherical groove.

4. A visual detection alignment mechanism according to claim 1 or 3, characterized in that: One end of the elastic positioning protrusion (18) is slidably disposed in a limiting slide groove (23) of the detection base (1) via a limiting slide block (19), and a spring (22) is disposed in the limiting slide groove (23).

5. A visual detection alignment mechanism according to claim 4, characterized in that: A metal rod (20) is mounted on one end of the limiting slide block (19), and an electromagnet (21) is disposed inside one end of the limiting slide groove (23).

6. The visual detection alignment mechanism according to claim 1, characterized in that: The lead screw comprises a lead screw (4) rotatably arranged on the inner side of the stand (2); a slide seat (3) is slidably provided on the lead screw (4); the connecting seat (5) is vertically welded to one side of the slide seat (3); and one end of the connecting shaft (6) is connected to a second motor (9) via a second gear set (8).

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