Screw detection device

By integrating feeding, inspection, and collection systems, a screw inspection device is used to automate the inspection and classification of screws, solving the problem of defective product screening in screw production and improving production efficiency and product quality.

CN223902403UActive Publication Date: 2026-02-13JIANGMEN JINHE HARDWARE PROD CO LTD
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Patent Information

Application Number
CN202422938448.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2026-02-13
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

In the existing technology, it is difficult to automate the screening of defective products in the screw production process, resulting in high work difficulty and long time consumption, which makes it difficult to meet the needs of automated production.

Method used

Design a screw inspection device that integrates feeding, inspection and collection systems. Utilize vision inspection components and servo motors to achieve automated screw inspection and classification. The control system controls the air valve and steering rod to sort the screws.

Benefits of technology

It has achieved a fully automated process for screws, from feeding to inspection and sorting, which has improved production efficiency, reduced labor costs, ensured the accuracy of inspection and product quality, and reduced the risk of product damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a screw detection device, which comprises a feeding system, a detection system, a collection system and a control system, and is characterized in that the feeding system comprises a vibration disc and a feeding track; the detection system comprises a rotating disc, a first servo motor and a visual detection assembly, the visual detection assembly comprises a first camera and a second camera, the first camera is vertically arranged above the rotating disc and faces the rotating disc, and the second camera is downwards and obliquely arranged on the side portion of the rotating disc and faces the rotating disc; the collecting system comprises a discharging rail, an air blowing valve, a good product collecting rail, an inferior-quality product collecting rail, a steering rod and a second servo motor, the head end of the discharging rail is in butt joint with the side portion of the rotating disc and is opposite to the air blowing valve, the good product collecting rail and the inferior-quality product collecting rail are both in butt joint with the tail end of the discharging rail, and the steering rod is rotatably arranged at the tail end of the discharging rail; the second servo motor is connected with the steering rod and can drive the steering rod to rotate. According to the utility model, automatic detection and classification of screws can be realized.
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Description

TECHNICAL FIELD

[0001] The utility model relates to screw quality detection technical field, especially a screw detection device. BACKGROUND

[0002] Iron wire becomes screw finished product after punch and wire drawing process, but some defective products inevitably appear in the production process, in order to prevent the defective product from affecting the use of product, the defective product that quality does not reach the requirement needs to be selected out before screw packaging, and currently, artificial screening is usually used, which has great working difficulty and consumes long time, and it is difficult to meet the needs of existing automatic production. UTILITY MODEL CONTENTS

[0003] The utility model aims at at least solving one of the technical problems existing in the prior art, and for this purpose, the utility model provides a screw detection device, which can realize automatic detection and classification of screws and improve production efficiency.

[0004] According to the screw detection device provided by the utility model, the screw detection device comprises a feeding system, a detection system, a collecting system and a control system, the feeding system comprises a vibration disc and a feeding track, the feeding track is installed on the vibration disc, the detection system comprises a rotating disc, a first servo motor and a visual detection assembly, the first servo motor is connected with the rotating disc and can drive the rotating disc to rotate, the tail end of the feeding track is connected with the rotating disc, the visual detection assembly comprises a first camera and a second camera, the first camera is vertically arranged above the rotating disc and faces the rotating disc, and the second camera is obliquely arranged on the side of the rotating disc and faces the rotating disc, the collecting system comprises a discharging track, a blowing valve, a good product collecting track, a defective product collecting track, a turning rod and a second servo motor, the head end of the discharging track is connected with the side of the rotating disc and is opposite to the blowing valve, the good product collecting track and the defective product collecting track are connected with the tail end of the discharging track, the turning rod is rotatably arranged at the tail end of the discharging track, and the second servo motor is connected with the turning rod and can drive the turning rod to rotate, so that the discharging track is connected with the good product collecting track or the defective product collecting track, and the vibration disc, the rotating disc, the first servo motor, the first camera, the second camera, the blowing valve and the second servo motor are electrically connected with the control system.

[0005] According to the screw detection device provided by the utility model, at least the following beneficial effects are achieved:

[0006] The screw detection device provided by the embodiment of the utility model integrates the feeding system, the detection system, the collection system and the control system, realizes the full-automatic process from feeding to detection and then to classification of the screw, improves the production efficiency and reduces the labor cost. Through the design of different angles of the first camera and the second camera, the screw image can be captured in multiple directions, the ability of accurately detecting the key features such as the size and shape of the screw is ensured, the defect recognition rate is improved, and the product quality is ensured. The control system controls the second servo motor to drive the steering rod to steer, so that the control system can quickly adjust the butt joint state between the discharge track and the good product collection track or the substandard product collection track according to the detection result, thereby realizing the effective separation of the good products and the substandard products. The control system controls the air blowing valve to assist the sorting process, compared with the traditional mechanical arm grabbing mode, the method does not directly contact the surface of the screw, thereby reducing the possibility of product damage caused by external force, and further ensuring the integrity of the product.

[0007] According to some embodiments of the utility model, the rotating disc is made of transparent material, the visual detection assembly further includes a third camera, the third camera is vertically arranged at the bottom of the rotating disc and faces the rotating disc, and the third camera is electrically connected with the control system.

[0008] According to some embodiments of the utility model, the visual detection assembly has at least two groups, and multiple groups of the visual detection assembly are uniformly and spacedly distributed around the rotating disc.

[0009] According to some embodiments of the utility model, the first camera is internally provided with a first light source, the second camera is internally provided with a second light source, and the third camera is internally provided with a third light source.

[0010] According to some embodiments of the utility model, the upper end face edge of the rotating disc is provided with a baffle, and the baffle is made of transparent material.

[0011] According to some embodiments of the utility model, the tail end of the good product collection track is butt jointed with a good product barrel, and the tail end of the substandard product collection track is butt jointed with a substandard product barrel.

[0012] According to some embodiments of the utility model, the feeding system further includes a first rack, and the vibration disc is arranged on the first rack.

[0013] According to some embodiments of the utility model, the detection system further includes a second rack, the rotating disc is rotatably installed on the second rack, and the first servo motor is arranged at the bottom of the second rack.

[0014] According to some embodiments of the utility model, the visual inspection assembly further comprises a mounting bracket, the mounting bracket is connected to the side of the second rack, the first camera is installed on the top of the mounting bracket, and the second camera is installed on the middle of the mounting bracket.

[0015] According to some embodiments of the utility model, the control system comprises a control button, a display screen and an indicator light.

[0016] The additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be known by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further described below in combination with the drawings and embodiments, wherein:

[0018] Figure 1 It is the structural schematic diagram of screw detection device of the utility model embodiment;

[0019] Figure 2 It is the local structural schematic diagram of screw detection device of the utility model embodiment.

[0020] Among them, the reference mark:

[0021] Vibration disc 110;Feed track 120;First rack 130;

[0022] Rotary disc 210;Baffle 211;First servo motor 220;First camera 230;Second camera 240;Third camera 250;Second rack 260;Mounting bracket 270;

[0023] Discharge track 310;Good product collection track 320;Substandard product collection track 330;Deflection lever 340. DETAILED DESCRIPTION

[0024] The embodiments of the utility model will be described in detail below, the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as limiting the utility model.

[0025] In the description of the utility model, it is understood that the orientation description, such as the orientation or position relationship of up, down, front, back, left, right and the like, is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and is not indicative or implied that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as limiting the utility model.

[0026] In the description of the utility model, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceed and the like are understood as not including the number, above, below, within and the like are understood as including the number. If it is described to the first, the second is only used for distinguishing the purpose of technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0027] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection should be understood in a broad sense, and the person skilled in the art can determine the specific meaning of the above words in the utility model in combination with the specific content of technical scheme. In the description of the utility model, the description of reference terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the utility model. In the description of the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner. In the description of the present application, the description of reference terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the utility model. In the description of the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0028] Referring to Figure 1 And Figure 2The utility model provides a kind of screw detection device according to the utility model discloses, including feeding system, detection system, collection system and control system, feeding system includes vibration disc 110 and feeding track 120, vibration disc 110 is installed feeding track 120;Detection system includes rotary disc 210, first servo motor 220 and visual detection component, first servo motor 220 is connected rotary disc 210 and can drive rotary disc 210 rotation, the tail end of feeding track 120 is butt-jointed rotary disc 210, visual detection component includes first camera 230 and second camera 240, first camera 230 is vertically arranged in the above of rotary disc 210 and is towards rotary disc 210, second camera 240 is obliquely arranged in the side of rotary disc 210 and is towards rotary disc 210;Collection system includes discharge track 310, air valve, good product collection track 320, substandard product collection track 330, steering lever 340 and second servo motor, the first end of discharge track 310 is butt-jointed the side of rotary disc 210 and is opposite air valve, good product collection track 320 and substandard product collection track 330 are butt-jointed the tail end of discharge track 310, steering lever 340 can be rotationally arranged in the tail end of discharge track 310, second servo motor is connected steering lever 340 and can drive steering lever 340 rotation, to make discharge track 310 and good product collection track 320 or substandard product collection track 330 butt-joint;Control system, vibration disc 110, rotary disc 210, first servo motor 220, first camera 230, second camera 240, air valve and second servo motor are electrically connected with control system.

[0029] It can be understood that the screw detection device provided by the utility model embodiment integrates the feeding system, the detection system, the collection system and the control system, realizes the full-automatic process from feeding to detection and classification of the screw, improves the production efficiency and reduces the labor cost. Through the design of the first camera 230 and the second camera 240 at different angles, the screw image can be captured from multiple directions, ensuring the ability to accurately detect the key features such as size and shape of the screw, which helps to improve the defect recognition rate and ensure the product quality. The control system controls the second servo motor to drive the steering lever 340 to turn, so that the control system can quickly adjust the butt-joint state between the discharge track 310 and the good product collection track 320 or the substandard product collection track 330 according to the detection result, to change the movement path of the screw, thereby realizing the effective separation of good products and substandard products. The control system controls the air valve to assist the sorting process. Compared with the traditional mechanical arm grabbing method, this method does not directly contact the surface of the screw, thereby reducing the possibility of product damage caused by external force, further ensuring the integrity of the product.

[0030] It should be noted that, in the embodiments of the utility model, the control system saves the part features of the screw model required to be detected which are taken in advance, the vibration disc 110 arranges the screws on the rotating disc 210 through the feeding track 120, the control system controls the first servo motor 220 to drive the rotating disc 210 to rotate, the screw passes through the first camera 230 and the second camera 240 when rotating with the rotating disc 210, the first camera 230 and the second camera 240 take photos and upload to the control system, the control system compares the screw features in the photos with the features saved previously to judge whether the quality of the screw meets the processing requirement, the control system controls the air blowing valve to blow the screw which has been taken photos and identified into the discharging track 310, and controls the second servo motor to control the rotating lever 340 to rotate to change the movement path of the screw, so that the screw can enter the good product collecting track 320 or the substandard product collecting track 330 according to the detection result, thereby realizing the sorting of the screw.

[0031] It should be noted that, in the embodiments of the utility model, the types of the screw include but are not limited to: self-tapping screw, machine screw, drill screw, wallboard nail, fiberboard nail, wood screw, hexagonal wood screw, non-extrusion screw, micro screw, furniture screw, electronic screw. The detection items of the screw include but are not limited to: groove type of screw head, screw thread, length of screw, burr on outer surface of screw. The groove type of screw head includes 1. Phillips, 2. ten / one, 3. one, 4. inner triangle, 5. inner angle square, 6. cross, 7. Mi, 8. flower, 9. plum blossom, 10. flower one, 11. special shape, 12. inner hexagon, whether the shape of the above types of groove is missing, damaged or other shape abnormal. The detection of the screw thread includes: 1. whether the screw has a thread, 2. whether the screw thread is regular, 3. whether the screw thread is missing, 4. whether the screw thread is not sharp. The detection of the length of the screw includes: detecting the actual specification length of the screw of this model, and selecting out the bad screws such as too long or too short. The detection of the burr of the screw includes the burr of the screw head, the burr of the thread, and the burr of the tail of the screw, and the screws with larger burr which can affect the normal locking function of the screw are selected out.

[0032] It should be noted that, according to some embodiments of the utility model, in addition to using the air blowing valve for sorting the screw, an electromagnetic valve can also be used for sorting the screw, or other ways, which will not be described here.

[0033] Further, referring to Figure 1 , according to some embodiments of the utility model, the rotating disc 210 is made of transparent material, the visual detection assembly further includes a third camera 250, the third camera 250 is vertically arranged at the bottom of the rotating disc 210 and faces the rotating disc 210, and the third camera 250 is electrically connected with the control system.

[0034] Understandably, the transparent rotating disk 210, in conjunction with the third camera 250 at the bottom, enables further visual inspection of the bottom of the screw, thereby improving the comprehensiveness and accuracy of the inspection. Preferably, the rotating disk 210 is a glass disk.

[0035] Furthermore, according to some embodiments of the present invention, there are at least two sets of visual inspection components, and multiple sets of visual inspection components are evenly distributed around the rotating disk 210.

[0036] Understandably, the multiple sets of visual inspection components are evenly distributed around the rotating disk 210, increasing the number of inspection stations and inspection angles, which can more comprehensively capture various defects in the screws and improve the overall inspection quality.

[0037] Furthermore, according to some embodiments of the present invention, the first camera 230 has a built-in first light source, the second camera 240 has a built-in second light source, and the third camera 250 has a built-in third light source, so as to ensure that clear and stable images can be obtained at different positions and angles, thereby improving the reliability of the detection results.

[0038] Furthermore, refer to Figure 1 According to some embodiments of the present invention, a baffle 211 is provided on the upper edge of the rotating disk 210, and the baffle 211 is made of transparent material.

[0039] Understandably, the design of the transparent baffle 211 not only does not hinder visual inspection, but also effectively prevents screws from falling off during rotation, ensuring the continuity and safety of the inspection process.

[0040] Furthermore, according to some embodiments of the present invention, the tail end of the good product collection track 320 is connected to a good product hopper, and the tail end of the defective product collection track 330 is connected to a defective product hopper.

[0041] Understandably, good and defective products are connected to different material bins to facilitate subsequent processing and statistical analysis, while also avoiding confusion between the two.

[0042] Furthermore, refer to Figure 1 According to some embodiments of the present invention, the feeding system further includes a first frame 130, on which a vibratory feeder 110 is mounted, thereby providing a more stable working platform and helping to maintain the stability of the feeding process.

[0043] Furthermore, refer to Figure 1 According to some embodiments of the present invention, the detection system further includes a second frame 260, a rotating disk 210 is rotatably mounted on the second frame 260, and a first servo motor 220 is mounted on the bottom of the second frame 260, thereby making the structure more compact, easier to maintain and occupying less space.

[0044] Further, with reference to Figure 1 According to some embodiments of the present application, the visual inspection assembly further comprises a mounting bracket 270 connected to the side of the second rack 260, the first camera 230 is installed on the top of the mounting bracket 270, and the second camera 240 is installed on the middle of the mounting bracket 270, so as to ensure the relative position between the camera and the rotating disc 210 is accurate and correct, which helps to improve the detection accuracy.

[0045] Further, according to some embodiments of the present application, the control system comprises a control button, a display screen and an indicator light, so that the operator can conveniently monitor the equipment state and adjust the parameters, thereby enhancing the ease of use and maintainability of the system.

[0046] The embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge range possessed by those skilled in the art without departing from the purpose of the present application.

Claims

1. A screw detection apparatus, characterized by, The utility model relates to a kind of automatic detection system of electronic component, including: Feed system, including vibration disc and feed rail, the vibration disc is mounted on the tail end of the feed rail; Detection system, including rotating disc, first servo motor and visual detection component, the first servo motor is connected rotating disc and can drive rotating disc rotation, the tail end of the feed rail is butt joint rotating disc, the visual detection component includes first camera and second camera, the first camera is vertically arranged in the upper of rotating disc and is towards rotating disc, the second camera is obliquely arranged in the side of rotating disc and is towards rotating disc; Collecting system, including discharge rail, air valve, good product collection rail, substandard product collection rail, steering rod and second servo motor, the first end of the discharge rail is butt joint the side of rotating disc and is opposite with the air valve, the good product collection rail and the substandard product collection rail are butt joint the tail end of the discharge rail, the steering rod is rotatably arranged in tail end of discharge rail, the second servo motor is connected the steering rod and can drive the steering rod rotation, so that the discharge rail is butt joint the good product collection rail or the substandard product collection rail; Control system, the vibration disc, rotating disc, first servo motor, first camera, second camera, air valve and second servo motor are electrically connected with the control system.

2. The screw detection apparatus according to claim 1, characterized by Rotating disc is made of transparent material, the visual detection component also includes third camera, the third camera is vertically arranged in the bottom of rotating disc and is towards rotating disc, the third camera is electrically connected with the control system.

3. The screw detection apparatus of claim 2, wherein The visual detection component has at least two groups, and multiple visual detection components are evenly spaced around rotating disc.

4. The screw detection apparatus of claim 2, wherein The first camera is built-in first light source, the second camera is built-in second light source, and the third camera is built-in third light source.

5. The screw detection apparatus of claim 2, wherein The upper end surface edge of the rotating disc is provided with a baffle, and the baffle is made of transparent material.

6. The screw detection apparatus of claim 1, wherein The tail end of the good product collection rail is butt joint with a good product barrel, and the tail end of the substandard product collection rail is butt joint with a substandard product barrel.

7. The screw detection apparatus of claim 1, wherein The feed system further includes a first rack, and the vibration disc is installed on the first rack.

8. The screw detection apparatus of claim 1, wherein The detection system further includes a second rack, and the rotating disc is rotatably installed on the second rack.

9. The screw detection apparatus of claim 8, wherein, The visual detection component further includes a mounting bracket, the mounting bracket is connected to the side of the second rack, the first camera is installed on the top of the mounting bracket, and the second camera is installed on the middle of the mounting bracket.

10. The screw detection apparatus of claim 1, wherein, The control system includes control buttons, a display screen and indicator lights.