Precise screw surface quality detection equipment

By combining an optical projector and an infrared sensor, the problem of existing equipment being unable to identify screws of different specifications has been solved, enabling accurate detection of the surface quality of precision screws.

CN223727085UActive Publication Date: 2025-12-26SHENZHEN LIANYUJI IND CO LTD
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Patent Information

Application Number
CN202520306504.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2025-12-26
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

Existing equipment cannot effectively identify screws of other specifications mixed in, leading to anomalies during the testing process and making it impossible to accurately test screws of different specifications.

Method used

An optical projector is used to detect the screw pitch and thread angle, an infrared sensor detects the screw size and height, and an air pump collects defective screws. Through multiple rounds of testing, precise testing of screws of different specifications is achieved.

Benefits of technology

It enables precise testing of screws of different specifications, ensuring the accuracy and efficiency of the test results and avoiding testing errors caused by specification confusion.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223727085U_ABST
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Abstract

The utility model relates to the technical field of screw detection, in particular to precision screw surface quality detection equipment. The precision screw surface quality detection equipment comprises a mounting frame which is a mounting carrier of a part; the number of the first supporting frames is four, and the first supporting frames are connected to the upper side face of the mounting frame in a rectangular shape. The fixing block is connected to the first supporting frame; the rotating plate is rotationally connected among the four fixing blocks; and the placing plate is connected to the upper side surface of the rotating plate. According to the utility model, a first round of detection is carried out on screws through the optical projector according to information such as screw pitches and thread angles of the screws to be detected, a second round of detection is carried out on qualified screws in the previous round through the infrared sensor according to information such as sizes and heights, and unqualified screws are collected and processed by the air pump. Therefore, the screws of different specifications can be detected.
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Description

TECHNICAL FIELD

[0001] The utility model relates to screw detection technical field especially relates to a precision screw surface quality detection equipment. BACKGROUND

[0002] Screw is the physical and mathematical principle of using the inclined plane circular rotation and friction of object, gradually tightens the tool of machine parts, is also indispensable in daily life industrial necessities, no matter what industry, screw needs to have good mechanical properties, and its surface quality is also crucial, surface defects such as scratch, crack, oxidation spot can influence the durability and reliability of screw.

[0003] The prior art can detect whether the screw thread on the screw surface appears defect, detect whether the thread is flat etc., but generally the same equipment will detect a variety of specifications screw detection operation, often mixed with other specifications screw detection process, and the defect cannot be identified as abnormal.

[0004] In view of the above, therefore, there is an urgent need for a precision screw surface quality detection equipment to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to overcome the defect that the prior art cannot identify the abnormality of the mixed other specifications screw, the utility model provides a precision screw surface quality detection equipment.

[0006] A precision screw surface quality detection equipment, including installation frame, it is the installation carrier of part, first support frame, the first support frame is equipped with four, rectangular shape is connected to the upper side of installation frame, fixed block is connected to the first support frame, rotating plate is rotatably connected between four fixed blocks, placing plate is connected to the upper side of rotating plate, motor is installed in the lower part of installation frame, the output shaft top of motor is connected with rotating plate, second support frame is connected to the lower part of installation frame, and the second support frame is located in the outer circle of placing plate, optical projector is installed on the second support frame, and the optical projector is located above placing plate, air pump is installed on the upper part of installation frame, titanium alloy pipe is communicated on the air pump, fixed frame is connected to the installation frame, screw rod, threaded connection is connected to the fixed frame, spray gun is communicated with the other end of titanium alloy pipe, infrared inductor is connected to the lower end of screw rod, and the spray gun is located below the infrared inductor, scraper is connected to the upper part of installation frame, and the lower side of scraper is in contact with placing plate, collecting mechanism is installed on the installation frame.

[0007] As a further preferred scheme, a collecting mechanism with a collecting function is further included, the collecting mechanism comprising a protective frame symmetrically connected to the left side of the placing plate, a baffle connected to the protective frame on the rear side of the placing plate, the lower side of the baffle being in contact with the placing plate, and a collecting box symmetrically connected to the mounting frame, the collecting box being located below the protective frame.

[0008] As a further preferred scheme, a through groove is formed in the lower side of the protective frame, and the side wall of the through groove of the protective frame is in the form of a downwardly extending inclined surface.

[0009] As a further preferred scheme, a connecting plate is connected between the adjacent surfaces of the two protective frames.

[0010] As a further preferred scheme, a ring-shaped positioning plate is connected to the surface of the placing plate, the side of the ring-shaped positioning plate being located within the measurement range of the optical projector and the infrared sensor.

[0011] As a further preferred scheme, the connecting portion between the baffle and the protective frame is in the form of an obtuse angle.

[0012] The utility model has the following advantages:

[0013] The utility model discloses a first round of detection of screw is carried out by the optical projector according to the information such as the pitch and the tooth type angle of the measured screw, the infrared sensor carries out the second round of detection to the qualified screw of last round according to the information such as size and height, and the air pump carries out the collection treatment to the unqualified screw, so that the detection operation can be realized for different specifications of screw. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic view of the utility model.

[0015] Figure 2 It is the three-dimensional structure schematic view of the first support frame, fixed block and rotating plate and other parts of the utility model.

[0016] Figure 3 It is the three-dimensional structure schematic view of the second support frame and optical projector and other parts of the utility model.

[0017] Figure 4 It is the three-dimensional structure schematic view of the protective frame, baffle and collecting box and other parts of the utility model.

[0018] Figure 5 It is the schematic view of A part of the utility model.

[0019] The figure label name: 1- mounting frame, 2- first support frame, 3- fixed block, 4- rotating plate, 5- placing plate, 6- motor, 7- second support frame, 8- optical projector, 9- air pump, 10- titanium alloy pipe, 11- fixed frame, 12- screw rod, 13- spray gun, 14- infrared sensor, 15- protective frame, 16- baffle, 17- collection box, 18- scraper. DETAILED DESCRIPTION

[0020] The technical solutions will be further described below in combination with specific embodiments. It should be noted that the words such as up, down, left, right and the like indicating directions in this article are only for the positions of the shown structures in the corresponding drawings. The serial numbers of the components in this article, such as first, second and the like, are only used to distinguish the described objects and do not have any sequence or technical meaning. Unless otherwise specified, the connection and coupling in this application include direct and indirect connection (coupling).

[0021] Embodiment: as shown in Figures 1-3 and Figure 5 A precise screw surface quality detection equipment, comprising a mounting frame 1, a first support frame 2, a fixed block 3, a rotating plate 4, a placing plate 5, a motor 6, a second support frame 7, an optical projector 8, an air pump 9, a titanium alloy pipe 10, a fixed frame 11, a screw rod 12, a spray gun 13, an infrared sensor 14, a scraper 18 and a collection mechanism, the mounting frame 1 is the mounting carrier of the parts, four first support frames 2 are connected to the upper side of the mounting frame 1, the four first support frames 2 are distributed in a rectangular shape, the first support frames 2 are connected with the fixed blocks 3, the rotating plate 4 is rotatably connected between the four fixed blocks 3, the placing plate 5 is welded to the upper side of the rotating plate 4, an annular baffle is connected to the surface of the placing plate 5, the motor 6 is installed on the lower part of the mounting frame 1 by bolting, the output shaft top of the motor 6 is connected with the rotating plate 4, the second support frame 7 is welded to the lower part of the mounting frame 1, the second support frame 7 is located outside the outer circle of the placing plate 5, the optical projector 8 is installed on the second support frame 7, the optical projector 8 is located above the placing plate 5, the air pump 9 is installed on the upper part of the mounting frame 1, the titanium alloy pipe 10 is communicated with the air pump 9, the fixed frame 11 is welded to the upper part of the mounting frame 1, the screw rod 12 is threadedly connected to the fixed frame 11, the spray gun 13 is communicated with the other end of the titanium alloy pipe 10, the infrared sensor 14 is connected to the lower end of the screw rod 12, the spray gun 13 is located above the infrared sensor 14, the scraper 18 is connected to the upper part of the mounting frame 1, the lower side of the scraper 18 is in contact with the placing plate 5, the collection mechanism is installed on the mounting frame 1, the optical projector 8 detects the screw in the first round according to the pitch and tooth type angle and other information of the measured screw, the infrared sensor 14 detects the last round of qualified screws according to the size and height and other information.

[0022] As Figure 4As shown, it also includes a collection mechanism with a collection function, the collection mechanism includes a protective frame 15, a baffle 16 and a collection box 17, the protective frame 15 is symmetrically welded on the left side of the placement plate 5, a connecting plate is connected between the adjacent surfaces of the two protective frames 15, a flow-through groove is opened on the lower side of the protective frame 15, the sidewall of the flow-through groove on the protective frame 15 is in the form of a downwardly extending slope, the baffle 16 is connected to the upper protective frame 15 on the rear side of the placement plate 5, the baffle 16 is connected to the protective frame 15 in the form of an obtuse angle, the lower side of the baffle 16 is in contact with the placement plate 5, the collection box 17 is symmetrically welded on the mounting frame 1, the collection box 17 is located below the protective frame 15, and the collection box 17 is used for collecting screws.

[0023] When the device needs to be used, the motor 6 is started, the output shaft of the motor 6 rotates to drive the placement plate 5 to rotate, the placement plate 5 drives the rotating plate 4 to rotate, the screws are transported to the placement plate 5 by another equipment transport mechanism, the placement plate 5 drives the screws to be displaced to the detection area of the optical projector 8, the optical projector 8 performs first round detection on the screws according to the pitch and tooth type angle and other information of the detected screws, the detection data is automatically uploaded to the background, the placement plate 5 drives the screws to be displaced to the detection area of the infrared sensor 14, the system control starts the air pump 9, air is transported by the titanium alloy pipe 10 and sprayed by the spray gun 13, unqualified screws fly to the first protective frame 15 under the impact of the gas sprayed by the spray gun 13, the screws are blocked by the protective frame 15 and fall into the corresponding collection box 17, then the infrared sensor 14 performs second round detection on the size and height and other information of the last round of qualified screws, unqualified screws fly to the first protective frame 15 under the impact of the air pressure of the spray gun 13, and are in the same collection box 17 as the first round of unqualified screws, and the detection data is automatically uploaded to the background, finally the placement plate 5 drives the qualified screws to continue to be displaced and be in contact with the baffle 16, and the qualified screws fall into another collection box 17 for collection under the influence of the baffle 16, when the infrared sensor 14 needs to detect screws of different heights, the staff rotates the screw rod 12 according to the height of the detected screws, the screw rod 12 drives the infrared sensor 14 to rotate to achieve height adjustment, after the detection work is completed, the motor 6 is turned off, and the scraper 18 can scrape off the oil stains left by the screws on the surface of the placement plate 5, the above operation can realize detection work for screws of different specifications.

[0024] Finally, it should be noted that: the above only preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A precision screw surface quality inspection apparatus, characterized by, The utility model relates to a kind of precision screw surface quality detection equipment, including: Mounting frame (1), the installation carrier of part; First support frame (2), the first support frame (2) is equipped with four, rectangularly connected on the upper side of mounting frame (1); Fixed block (3), is connected on the first support frame (2); Rotating plate (4), rotatingly connected between four fixed blocks (3); Placement plate (5), is connected on the upper side of rotating plate (4), and the placement plate (5) is used to place screw;Motor (6), is installed in the lower part of mounting frame (1), and the top end of the output shaft of motor (6) is connected with rotating plate (4); Second support frame (7), is connected on the lower part of mounting frame (1), and the second support frame (7) is located in the outer ring of placement plate (5); Optical projector (8), is installed on the second support frame (7), and the optical projector (8) is located above placement plate (5); Air pump (9), is installed on the upper part of mounting frame (1); Titanium alloy pipe (10), is communicated on air pump (9), and the titanium alloy pipe (10) is used to transport air; Fixed frame (11), is connected on mounting frame (1); Screw rod (12);Screwed on the fixed frame (11); Lance (13), is communicated on the other end of titanium alloy pipe (10); Infrared sensor (14), is connected on the lower end of screw rod (12), and lance (13) is located below infrared sensor (14); Scraper (18), is connected on the upper part of mounting frame (1), and the lower side of scraper (18) is in contact with placement plate (5), and the scraper (18) is used to scrape the oil dirt on the surface of placement plate (5); Collecting mechanism, is installed on mounting frame (1).

2. The precision screw surface quality inspection apparatus according to claim 1, wherein Also including the collecting mechanism with collection function, and the collecting mechanism includes: Protective frame (15), is symmetrically connected on the left side of placement plate (5); Baffle (16), is connected on the upper side of protective frame (15) on the back of placement plate (5), and the lower side of baffle (16) is in contact with placement plate (5); Collecting box (17), is symmetrically connected on mounting frame (1), and the collecting box (17) is located below protective frame (15), and the collecting box (17) is used to collect screw. 3.The precision screw surface quality detection equipment according to claim 2, wherein: A flow-through groove is formed in the lower side of the protective frame (15), and the sidewall of the flow-through groove of the protective frame (15) is in the form of a downwardly extending inclined surface. 4.The precision screw surface quality detection equipment according to claim 3, wherein: A connecting plate is connected between the adjacent surfaces of the two protective frames (15). 5.The precision screw surface quality detection equipment according to claim 4, wherein: An annular positioning plate is connected to the surface of the placement plate (5), and the side surface of the annular positioning plate is located within the measurement range of the optical projector (8) and the infrared sensor (14). 6.The precision screw surface quality detection equipment according to claim 5, wherein: The connection between the baffle (16) and the protective frame (15) is in the form of an obtuse angle.