An apparatus for fastener surface defect detection

Abstract

The utility model relates to a kind of for fastener surface defect detection device, the device for fastener surface defect detection includes automatic feeding mechanism, surface defect detection mechanism and fastener clamping mechanism, and automatic feeding mechanism, surface defect detection mechanism and fastener clamping mechanism are sequentially arranged in order;The surface defect detection mechanism includes main support, upper end acquisition support, lower end acquisition support, upper end acquisition equipment and lower end acquisition equipment, and the upper end acquisition support and lower end acquisition support are detachably arranged on the main support, the upper end acquisition equipment is fixedly installed in the end of the upper end acquisition support away from main support, the lower end acquisition equipment is fixedly arranged in the end of the lower end acquisition support away from main support, and the lower end acquisition equipment includes first mounting table, the first mounting table is four pyramid table, and an image collector is installed on each side of the four pyramid table;With the advantages of high detection efficiency, accurate detection result etc.

Description

Technical Field

[0001] This utility model relates to the technical field of fastener surface inspection equipment, and in particular to a device for detecting surface defects in fasteners. Background Technology

[0002] Fasteners are a wide range of mechanical parts used for fastening connections. They are used in a wide range of industries, including energy, electronics, electrical appliances, machinery, chemicals, metallurgy, mold making, hydraulics, and more. Various types of fasteners can be found on all kinds of machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemicals, meters, and supplies, making them the most widely used basic mechanical components.

[0003] Existing fastener surface defect detection devices generally have blind spots, leading to inaccurate detection results due to the presence of actual defects. In addition, current fastener surface defect detection devices are generally integrated units, making them difficult to modify and limiting their applicability.

[0004] Therefore, an apparatus for detecting surface defects in fasteners is provided to solve the above-mentioned problems. Utility Model Content

[0005] The main purpose of this utility model is to solve the problems in the existing fastener surface defect detection devices, which generally have blind spots, resulting in actual defects in the detection results and inaccurate detection. In addition, some fastener surface defect detection devices are generally integrated, which makes them difficult to modify and has a limited range of applications.

[0006] This utility model provides a device for detecting surface defects in fasteners, the device comprising: The automatic feeding mechanism, surface defect detection mechanism, and fastener clamping mechanism are arranged in sequence. The surface defect detection mechanism includes a main support, an upper acquisition support, a lower acquisition support, an upper acquisition device, and a lower acquisition device. The upper acquisition support and the lower acquisition support are detachably mounted on the main support. The upper acquisition device is fixedly installed on the end of the upper acquisition support away from the main support, and the lower acquisition device is fixedly installed on the end of the lower acquisition support away from the main support. The lower acquisition device includes a first mounting platform, which is a truncated pyramid. An image acquisition device is mounted on each side of the truncated pyramid.

[0007] Optionally, the automatic feeding mechanism includes a fastener bin, a support leg fixedly installed at the bottom of the fastener bin, a vibration mechanism fixedly installed at the bottom of the fastener bin, a spiral lifting groove inside the fastener bin, a guide groove on one side of the fastener bin, the spiral lifting groove and the guide groove being connected, and the spiral lifting groove being used to guide the fasteners into the guide groove.

[0008] Optionally, the guide trough includes a guide trough body, and a limiting plate is provided at the upper end of the guide trough body.

[0009] Optionally, the main support includes a first support rod, and a plurality of auxiliary support rods are provided at the bottom of the first support rod.

[0010] Optionally, the upper acquisition bracket includes an upper limit ring, which is sleeved on the first support rod. The upper limit ring is provided with a first limiting screw. A second support rod is provided on the side wall of the upper limit ring. An upper acquisition device, which is an image acquisition device, is provided at the end of the second support rod away from the upper limit ring.

[0011] Optionally, the lower acquisition bracket includes a lower limiting ring, which is sleeved on the first support rod. A second limiting screw is provided on the lower limiting ring, and a third support rod is provided on the side wall of the lower limiting ring. A first mounting platform is provided at the end of the third support rod away from the lower limiting ring.

[0012] Optionally, the fastener clamping mechanism includes a second mounting platform, on which a drive motor is fixedly mounted. The drive shaft of the drive motor passes through the platform of the second mounting platform. A first gear is provided at the top of the drive shaft of the drive motor. The mechanism also includes a rotating rod. The bottom of the rotating rod is rotatably connected to the platform of the second mounting platform through a bearing. A second gear is also provided on the rotating rod. The second gear meshes with the first gear. A third mounting platform is provided at the top of the rotating rod. Clamping mechanisms are evenly distributed around the third mounting platform.

[0013] Optionally, the clamping mechanism includes a clamping body, with first telescopic mechanisms symmetrically arranged on both sides inside the clamping body, and a clamping plate provided at the end of the first telescopic mechanism away from the clamping body. It also includes a second telescopic mechanism, with one end of the second telescopic mechanism fixedly connected to the third mounting platform and the other end of the second telescopic mechanism fixedly connected to the clamping body.

[0014] Optionally, it also includes a fastener collecting device, which includes a feeding hopper, the bottom of which is connected to a discharge pipe, and the lower end of the discharge pipe is fixedly connected to a discharge trough.

[0015] This invention utilizes four cameras at the bottom and a single camera at the top to capture images of the entire surface of the fastener as it enters the fastener clamping mechanism from the automatic feeder. The images are more accurate and clearer than existing methods. Additionally, the fastener clamping mechanism can be used for sorting, achieving automatic feeding, automatic identification, and automatic sorting. This results in a high degree of automation, fast working speed, and high work efficiency. Furthermore, this invention features a modular design for the entire device, facilitating adjustments and changes to adapt to various working conditions. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model.

[0017] Figure 2 This is a partial schematic diagram of the fastener clamping mechanism of this utility model.

[0018] Figure 3 This is a schematic diagram of the fastener collection device of this utility model. Detailed Implementation

[0019] This utility model provides a device for detecting surface defects in fasteners, comprising: an automatic feeding mechanism, a surface defect detection mechanism, and a fastener clamping mechanism, arranged sequentially. The surface defect detection mechanism includes a main support, an upper acquisition support, a lower acquisition support, an upper acquisition device, and a lower acquisition device. The upper and lower acquisition supports are detachably mounted on the main support. The upper acquisition device is fixedly installed at the end of the upper acquisition support away from the main support, and the lower acquisition device is fixedly installed at the end of the lower acquisition support away from the main support. The lower acquisition device includes a first mounting platform, which is a truncated pyramid, and an image acquisition device is mounted on each side of the truncated pyramid. The main purpose of this utility model is to solve the problems in the prior art, such as the existence of blind spots in some fastener surface defect detection devices, leading to inaccurate detection results due to the presence of defects, and the fact that some current fastener surface defect detection devices are generally integrated, making them difficult to modify and limiting their applicability.

[0020] The terms "first," "second," "third," "fourth," etc. (if present) in the specification, claims, and accompanying drawings of this utility model are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" or "having" and any variations thereof are intended to cover a non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0021] Example Reference manual attached Figure 1-3 This embodiment provides an apparatus for detecting surface defects in fasteners, the apparatus comprising: Automatic feeding mechanism 1, surface defect detection mechanism 2, and fastener clamping mechanism 3 are arranged in sequence. The surface defect detection mechanism 2 includes a main support, an upper acquisition support, a lower acquisition support 202, an upper acquisition device 201, and a lower acquisition device 203. The upper acquisition support and the lower acquisition support are detachably mounted on the main support. The upper acquisition device is fixedly installed at the end of the upper acquisition support away from the main support, and the lower acquisition device is fixedly installed at the end of the lower acquisition support away from the main support. The lower acquisition device includes a first mounting platform, which is a truncated pyramid. An image acquisition device is mounted on each side of the truncated pyramid.

[0022] The automatic feeding mechanism 1 includes a fastener bin 102. A support leg 101 is fixedly installed at the bottom of the fastener bin 102. A vibration mechanism 104 is also fixedly installed at the bottom of the fastener bin 102. A spiral lifting trough 103 is provided inside the fastener bin, and a guide trough 105 is provided on one side of the fastener bin. The spiral lifting trough and the guide trough are connected, and the spiral lifting trough is used to guide the fasteners into the guide trough. During operation, the vibration mechanism vibrates the fasteners into the spiral lifting trough, and then they fall from the spiral lifting trough into the guide trough. Fasteners that are correctly positioned move downwards along the guide trough, while fasteners that are not correctly positioned fall back into the fastener bin and are re-queued.

[0023] The guide trough includes a guide trough body, a limit plate is provided at the upper end of the guide trough body, and a telescopic gate baffle mechanism is provided at the end of the guide trough near the fastener clamping mechanism. The telescopic baffle is used to control the fasteners to enter the fastener clamping mechanism one by one.

[0024] The main support includes a first support rod, and several auxiliary support rods are provided at the bottom of the first support rod.

[0025] The upper acquisition bracket includes an upper limit ring, which is sleeved on the first support rod. A first limit screw is provided on the upper limit ring. A second support rod is provided on the side wall of the upper limit ring. An upper acquisition device, which is an image acquisition device, is provided at the end of the second support rod away from the upper limit ring.

[0026] The lower acquisition bracket includes a lower limiting ring, which is sleeved on the first support rod. A second limiting screw is provided on the lower limiting ring. A third support rod is provided on the side wall of the lower limiting ring. A first mounting platform is provided at the end of the third support rod away from the lower limiting ring.

[0027] The fastener clamping mechanism includes a second mounting platform, on the lower end surface of which a drive motor is fixedly mounted. The drive shaft of the drive motor passes through the platform of the second mounting platform, and a first gear is provided at the top of the drive shaft. The mechanism also includes a rotating rod, the bottom of which is rotatably connected to the platform of the second mounting platform via a bearing. A second gear is also provided on the rotating rod, and the second gear meshes with the first gear. A third mounting platform is provided at the top of the rotating rod, and clamping mechanisms are evenly distributed around the third mounting platform.

[0028] The clamping mechanism 3 includes a clamping body, with a first telescopic mechanism 3021 symmetrically arranged on both sides inside the clamping body 302. A clamping plate 3022 is provided at the end of the first telescopic mechanism away from the clamping body. It also includes a second telescopic mechanism, with one end of the second telescopic mechanism fixedly connected to the third mounting platform 301 and the other end of the second telescopic mechanism fixedly connected to the clamping body.

[0029] It also includes a fastener collecting device 4, which includes a feeding hopper, the bottom of which is connected to a discharge pipe, and the lower end of the discharge pipe is fixedly connected to the discharge trough.

[0030] The above-described embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A device for detecting surface defects in fasteners, characterized in that, include: The automatic feeding mechanism, surface defect detection mechanism, and fastener clamping mechanism are arranged in sequence. The surface defect detection mechanism includes a main support, an upper acquisition support, a lower acquisition support, an upper acquisition device, and a lower acquisition device. The upper acquisition support and the lower acquisition support are detachably mounted on the main support. The upper acquisition device is fixedly installed on the end of the upper acquisition support away from the main support, and the lower acquisition device is fixedly installed on the end of the lower acquisition support away from the main support. The lower acquisition device includes a first mounting platform, which is a truncated pyramid. An image acquisition device is mounted on each side of the truncated pyramid.

2. The apparatus for detecting surface defects in fasteners according to claim 1, characterized in that, The automatic feeding mechanism includes a fastener bin, a support leg fixedly installed at the bottom of the fastener bin, a vibration mechanism fixedly installed at the bottom of the fastener bin, a spiral lifting groove inside the fastener bin, a guide groove on one side of the fastener bin, the spiral lifting groove and the guide groove being connected, and the spiral lifting groove being used to guide the fasteners into the guide groove.

3. The apparatus for detecting surface defects in fasteners according to claim 2, characterized in that, The guide trough includes a guide trough body, and a limit plate is provided at the upper end of the guide trough body.

4. The apparatus for detecting surface defects in fasteners according to claim 3, characterized in that, The main support includes a first support rod, and a plurality of auxiliary support rods are provided at the bottom of the first support rod.

5. The apparatus for detecting surface defects in fasteners according to claim 4, characterized in that, The upper acquisition bracket includes an upper limit ring, which is sleeved on the first support rod. The upper limit ring is provided with a first limiting screw. A second support rod is provided on the side wall of the upper limit ring. An upper acquisition device, which is an image acquisition device, is provided at the end of the second support rod away from the upper limit ring.

6. The apparatus for detecting surface defects in fasteners according to claim 5, characterized in that, The lower end acquisition bracket includes a lower limiting ring, which is sleeved on the first support rod. A second limiting screw is provided on the lower limiting ring. A third support rod is provided on the side wall of the lower limiting ring. A first mounting platform is provided at the end of the third support rod away from the lower limiting ring.

7. The apparatus for detecting surface defects in fasteners according to claim 6, characterized in that, The fastener clamping mechanism includes a second mounting platform, on the lower end surface of which a drive motor is fixedly mounted. The drive shaft of the drive motor passes through the platform of the second mounting platform. A first gear is provided at the top of the drive shaft of the drive motor. The mechanism also includes a rotating rod. The bottom of the rotating rod is rotatably connected to the platform of the second mounting platform through a bearing. A second gear is also provided on the rotating rod. The second gear meshes with the first gear. A third mounting platform is provided at the top of the rotating rod. Clamping mechanisms are evenly distributed around the third mounting platform.

8. The apparatus for detecting surface defects in fasteners according to claim 7, characterized in that, The clamping mechanism includes a clamping body, with a first telescopic mechanism symmetrically arranged on both sides inside the clamping body. A clamping plate is provided at the end of the first telescopic mechanism away from the clamping body. The mechanism also includes a second telescopic mechanism, with one end of the second telescopic mechanism fixedly connected to the third mounting platform and the other end of the second telescopic mechanism fixedly connected to the clamping body.

9. The apparatus for detecting surface defects in fasteners according to claim 8, characterized in that, It also includes a fastener collection device, which includes a feeding hopper, the bottom of which is connected to a discharge pipe, and the lower end of the discharge pipe is fixedly connected to a discharge trough.

Images