Battery box cover plate screw automatic detection device

Abstract

The utility model belongs to the technical field of detection, and relates to an automatic detection device for screws of a battery box cover plate, which comprises a detection table, and a plurality of lower positioning pins, a plurality of contact sensors and a plurality of photoelectric sensors which are arranged on the detection table, the lower positioning pin is arranged upwards and located in the detection area, the contact type sensor is provided with an upward detection probe and arranged on the inner side of the edge of the detection area, the lower supporting base is located on the edge of the detection area, the photoelectric sensor is arranged on the outer side of the detection area, and the detection direction of the photoelectric sensor faces the interior of the detection area. The device can synchronously detect whether a plurality of combined screws and pressing rivet nuts exist on the battery box cover plate, and is high in detection efficiency and accurate in judgment.

Description

Technical Field

[0001] The utility model relates to the technical field of detection, in particular to an automatic detection device for screws on a battery box cover plate. Background Art

[0002] In electric vehicles, storage batteries are used. The storage battery is assembled from many components, including a battery box cover plate. As Figure 1 shown, a battery box cover plate 1 has a body 11 with a concave structure (the reverse side is facing up in the figure). A lot of combination screws 12 are assembled at the edge of the body 11, and a plurality of rivet nuts 13 are also provided at the protruding positions. The total number of these components ranges from more than a dozen to dozens. Manual visual inspection is inefficient and prone to missed inspection.

[0003] Therefore, it is necessary to design a special detection device to complete the above operations. Summary of the Invention

[0004] The main purpose of the utility model is to provide an automatic detection device for screws on a battery box cover plate. This device can synchronously detect the presence or absence of multiple combination screws and rivet nuts on the battery box cover plate, with high detection efficiency and accurate judgment.

[0005] The utility model realizes the above purpose through the following technical scheme: an automatic detection device for screws on a battery box cover plate, including a detection table and a plurality of lower positioning pins, a plurality of contact sensors and a plurality of photoelectric sensors arranged on the detection table. The detection table has a detection area for placing the battery box cover plate. The lower positioning pins are arranged upward and located inside the detection area. The contact sensors have upward detection probes and are arranged inside the edge of the detection area. The photoelectric sensors are arranged outside the detection area and the detection direction faces the inside of the detection area. The detection light paths of different photoelectric sensors are staggered from each other.

[0006] Specifically, it further includes a frame and a buffer table. The detection table is arranged at the lower part of the frame, and the buffer table is arranged at the upper part of the frame. There is enough height space for a transfer manipulator to place the battery box cover plate between the detection table and the buffer table.

[0007] Furthermore, a plurality of upper support seats are arranged around the buffer table, and a plurality of upper positioning pins are arranged in the middle of the buffer table.

[0008] Furthermore, a positioning sensor for detecting the placement of the battery box cover plate above the buffer table is arranged in the middle of the buffer table.

[0009] The beneficial effect of the technical scheme of the utility model is:

[0010] This device can synchronously detect the presence or absence of multiple combination screws and rivet nuts on the battery box cover plate, with high detection efficiency and accurate judgment. Description of the Drawings

[0011] Figure 1 is a perspective view of the battery box cover plate;

[0012] Figure 2 is a perspective view of the automatic detection device for the screws of the battery box cover plate in the embodiment;

[0013] Figure 3 is Figure 2 a partial enlarged view of position A in

[0014] Figure 4 is Figure 2 a partial enlarged view of position B in

[0015] The numbers in the figures represent:

[0016] 1 - battery box cover plate, 11 - body, 12 - combined screw, 13 - rivet nut, 14 - through hole;

[0017] 2 - automatic detection device for the screws of the battery box cover plate, 21 - frame, 22 - detection table, 221 - lower positioning pin, 222 - contact sensor, 2221 - detection probe, 223 - photoelectric sensor, 224 - lower support base, 23 - buffer table, 231 - upper support base, 232 - upper positioning pin, 233 - in - place sensor. Detailed Embodiment

[0018] The following further describes the present utility model in detail with reference to specific embodiments.

[0019] Embodiment:

[0020] As Figure 2 shown, an automatic detection device 2 for the screws of the battery box cover plate of the present utility model includes a frame 21, a detection table 22 provided at the lower part of the frame 21, and a buffer table 23 provided at the upper part of the frame 21.

[0021] The detection table 22 is used to position each pin of the battery box cover plate 1 (including the combined screw 12 and the rivet nut 13), the buffer table 23 is used to temporarily store the battery box cover plate 1, and there is enough height space for the transfer manipulator to place the battery box cover plate 1 between the detection table 2 and the buffer table 23.

[0022] As Figure 3As shown in the figure, two lower positioning pins 221, several lower support seats 224, eighteen contact sensors 222, and four photoelectric sensors 223 are provided on the detection table 22. There is a detection area for placing the battery box cover 1 on the detection table 22. The lower positioning pins 221 are arranged upward and located inside the detection area. The contact sensors 222 have upward detection probes 2221 and are arranged inside the edge of the detection area. The lower support seats 224 are located at the edge of the detection area. The photoelectric sensors 223 are arranged outside the detection area and the detection direction faces the inside of the detection area. The detection light paths of different photoelectric sensors 223 are staggered from each other.

[0023] The quantities and positions of the lower positioning pins 221, contact sensors 222, photoelectric sensors 223, and lower support seats 224 are designed according to the actual structure of the battery box cover 1 and can be changed as needed. The battery box cover 1 is first positioned and placed by the cooperation of the through holes 14 and the lower positioning pins 221, so that the battery box cover 1 is within the upper projection range of the detection area. Theoretically, each detection probe 2221 will contact the lower part of the combination screw 12 and cause a position change, so as to judge whether there is a missing combination screw 12; the rivet nut 13 protrudes out of the convex surface of the body 11, so as long as the detection direction of the photoelectric sensor 223 is higher than the body 11 and passes through the position of the rivet nut 13, it can be judged whether there is a missing rivet nut 13. If it is found that any one of the combination screws 12 or rivet nuts 13 is missing, the device will alarm to remind the staff to perform scrapping or repair processing. The detection efficiency is high and the judgment is accurate.

[0024] As Figure 4 shown in the figure, several upper support seats 231 are provided around the buffer table 23. Several upper positioning pins 232 and in-position sensors 233 are provided in the middle of the buffer table 23. The in-position sensors 233 are used to detect that the battery box cover 1 is placed above the buffer table 23.

[0025] The upper support seats 231 are used to support the edge of the battery box cover 1, and the upper positioning pins 232 are also positioned by using the through holes 14. If the battery box cover 1 has been placed on the upper support seats 231, it will enter the detection range of the in-position sensor 233, so as to determine that the battery box cover 1 has been placed in place and can be continuously moved to the detection table 22 by the transfer manipulator. The in-position sensor 233 only needs to be able to sense the battery box cover 1, and the detection method can be various methods such as mechanical, photoelectric, and conductive.

[0026] The above are only some embodiments of the present invention. For those of ordinary skill in the art, without departing from the creative concept of the present invention, several deformations and improvements can still be made, and these all belong to the protection scope of the present invention.

Claims

1. An automatic detection device for the screws of a battery box cover plate, characterized in that: It includes a detection table and a number of lower positioning pins, a number of contact sensors and a number of photoelectric sensors arranged on the detection table. There is a detection area for placing the battery box cover plate on the detection table. The lower positioning pins are arranged upward and located inside the detection area. The contact sensors have upward detection probes and are arranged inside the edge of the detection area. The photoelectric sensors are arranged outside the detection area and the detection directions are towards the inside of the detection area. The detection light paths of different photoelectric sensors are staggered from each other.

2. The automatic detection device for the battery box cover plate screws according to claim 1, wherein: It further includes a frame and a buffer table. The detection table is arranged at the lower part of the frame, and the buffer table is arranged at the upper part of the frame. There is enough height space for the transfer manipulator to place the battery box cover plate between the detection table and the buffer table.

3. The automatic detection device for the battery box cover plate screws according to claim 2, characterized in that: A number of upper support seats are arranged around the buffer table, and a number of upper positioning pins are arranged in the middle of the buffer table.

4. The automatic detection device for the battery box cover plate screws according to claim 3, wherein: An in-position sensor for detecting the placement of the battery box cover plate above the buffer table is arranged in the middle of the buffer table.

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