CN220982214U - Internal thread straightness detection mechanism that hangs down - Google Patents

Abstract

The utility model belongs to the technical field of article detection and automatic sorting equipment, in particular to an internal thread verticality detection mechanism which comprises a fixing frame, an automatic rotation mechanism, an automatic induction mechanism, a visual detection mechanism and a placing plate, wherein the fixing frame is arranged on the inner thread verticality detection mechanism; the top of the front surface of the fixing frame is bolted with a fixing block, the top of the fixing block is bolted with a first cylinder, the automatic rotating mechanism is arranged on a piston rod of the first cylinder, the placing plate is arranged at the bottom of the front surface of the fixing frame, the automatic sensing mechanism is arranged at the top of the placing plate, and the visual detection mechanism is arranged at the left side of the fixing frame; through automatic rotary mechanism, auto-induction mechanism, visual detection mechanism and place structural design of board, when detecting the internal thread straightness of zero, do not need manual intervention, and then reduce misjudgement, improve work efficiency, through the structural design of second cylinder, fix the part on placing the board, when avoiding the go-gauge to rotate, the part takes place to remove.

Description

Internal thread straightness detection mechanism that hangs down

Technical Field

The utility model relates to the technical field of article detection and automatic sorting equipment, in particular to an internal thread verticality detection mechanism.

Background

The device for detecting and automatically sorting the articles is widely applied to modern manufacturing industries such as fastener industry, hardware industry, electronic industry, automobile industry, powder metallurgy industry, instrument and meter industry, medical equipment industry, aerospace industry, communication equipment industry and the like, and is ideal device for grading, removing impurities, mixing, sorting, filtering, separating solid from liquid and the like in industries such as food, beverage, medicine, chemical industry, plastics, abrasive materials, ceramics, papermaking, nano materials and the like.

Through retrieval, application number CN202220203051.4 discloses a threaded hole perpendicularity detection device, and the threaded hole perpendicularity detection device provided by the utility model has the characteristics of simple structure, fewer relatively movable parts and no damage to the surface of a workpiece in the measuring process.

However, when the device detects the internal thread of the part, an accurate detection mechanism is not provided, and when the perpendicularity of the internal thread is judged, the perpendicularity of the detected threaded hole is judged through the judgment of the planeness of the step structure by naked eyes, so that the efficiency is low, the misjudgment rate is high, and the accuracy of a detection result is influenced.

Disclosure of utility model

The utility model aims to solve the technical problems that: in the prior art, the defects of low efficiency and high misjudgment rate exist in detection by using an airtight detection mode, and therefore, the internal thread perpendicularity detection mechanism is provided.

The technical scheme adopted for solving the technical problems is as follows: the internal thread verticality detection mechanism comprises a fixing frame, an automatic rotation mechanism, an automatic induction mechanism, a visual detection mechanism and a placing plate; the positive top bolt of mount has the fixed block, the top bolt of fixed block has first cylinder, automatic rotary mechanism sets up on the piston rod of first cylinder, place the board setting in the positive bottom of mount, automatic induction mechanism sets up in the top of placing the board, visual detection mechanism sets up in the left side of mount.

Preferably, the automatic rotating mechanism comprises a servo motor and a go gauge, wherein a piston rod of the first cylinder penetrates through the fixed block and is bolted with the servo motor, and an output shaft of the servo motor is fixedly connected with the top of the go gauge.

Preferably, the automatic induction mechanism comprises a monitoring assembly and a proximity switch, a fixing plate is bolted to the right side of the top of the placing plate, and the proximity switch and the monitoring assembly are sequentially bolted to the right side of the fixing plate from front to back.

Preferably, the visual detection mechanism comprises a support frame, an industrial camera and a telecentric lens, wherein the front surface of the support frame is bolted with a support block, and the industrial camera and the telecentric lens are sequentially bolted at the top of the support block from front to back.

Preferably, the two sides of the front face of the fixing frame are both bolted with sliding rails, the surfaces of the sliding rails are connected with sliding blocks from top to bottom, the front face of each sliding block is bolted with a mounting plate, and the front face of each mounting plate is bolted with the back face of each servo motor.

Preferably, a second cylinder is bolted to the bottom of the back of the fixing frame, and a piston rod of the second cylinder penetrates through the fixing frame and extends towards the front.

The beneficial effects of the utility model are as follows:

1. according to the utility model, through the structural design of the automatic rotating mechanism, the automatic sensing mechanism, the visual detection mechanism and the placement plate, manual intervention is not needed when detecting the verticality of the internal thread of the part, so that misjudgment is reduced, and the working efficiency is improved;

2. According to the utility model, through the structural design of the second cylinder, the part is fixed on the placing plate, so that the movement of the part during the rotation of the go gauge is avoided.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a perspective view of the mounting plate and slide rail structure of the present utility model;

FIG. 3 is a side view of the structure of the fixing frame of the present utility model;

FIG. 4 is an enlarged view of the structure shown in FIG. 1A in accordance with the present utility model;

fig. 5 is an enlarged view of the structure of fig. 3B according to the present utility model.

In the figure: 1. a fixing frame; 2. an automatic rotation mechanism; 21. a servo motor; 22. go gauge; 3. an automatic induction mechanism; 31. a monitoring component; 32. a proximity switch; 4. a visual detection mechanism; 41. a support frame; 42. an industrial camera; 43. a telecentric lens; 5. placing a plate; 6. a fixed block; 7. a first cylinder; 8. a slide rail; 9. a slide block; 10. a mounting plate; 11. and a second cylinder.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The application will be described in further detail with reference to figures 1-5,

The embodiment of the application discloses an internal thread verticality detection mechanism. Referring to fig. 1 and 2, the internal thread verticality detection mechanism comprises a fixing frame 1, an automatic rotation mechanism 2, an automatic induction mechanism 3, a visual detection mechanism 4 and a placement plate 5; the positive top bolt of mount 1 has fixed block 6, and the top bolt of fixed block 6 has first cylinder 7, and automatic rotary mechanism 2 sets up on the piston rod of first cylinder 7, places board 5 setting in the positive bottom of mount 1, and automatic induction mechanism 3 sets up in the top of placing board 5, and visual detection mechanism 4 sets up in the left side of mount 1.

Referring to fig. 1 and 4, the automatic rotation mechanism 2 comprises a servo motor 21 and a go gauge 22, wherein a piston rod of a first cylinder 7 penetrates through a fixed block 6 and is bolted with the servo motor 21, and an output shaft of the servo motor 21 is fixedly connected with the top of the go gauge 22; the automatic rotating mechanism 2 can be driven to rotate, so that the go gauge 22 is screwed into the threaded hole of the part to be measured.

Referring to fig. 1 and 4, the automatic sensing mechanism 3 includes a monitoring assembly 31 and a proximity switch 32, a fixing plate is bolted to the right side of the top of the placement plate 5, and the proximity switch 32 and the monitoring assembly 31 are sequentially bolted to the right side of the fixing plate from front to back; when the go gauge 22 is rotated and lowered to a certain number of turns, not only the torque force is controlled to the number of turns of the screw threads, but also the monitoring assembly 31 performs double protection and monitoring.

Referring to fig. 1, the visual inspection mechanism 4 includes a support 41, an industrial camera 42 and a telecentric lens 43, wherein the front surface of the support 41 is bolted with a support block, and the industrial camera 42 and the telecentric lens 43 are sequentially bolted on the top of the support block from front to back; the visual field distortion can be reduced, and the picture is more accurate.

Referring to fig. 1 and 2, sliding rails 8 are bolted to both sides of the front surface of the fixing frame 1, sliding blocks 9 are connected to the surfaces of the sliding rails 8 in a sliding manner from top to bottom, a mounting plate 10 is bolted to the front surface of the sliding blocks 9, and the front surface of the mounting plate 10 is bolted to the back surface of the servo motor 21; the mounting plate 10 is limited, so that the mounting plate 10 is assisted to lift, and the servo motor 21 is assisted to lift.

Referring to fig. 1 and 3, a second cylinder 11 is bolted to the bottom of the back of the fixing frame 1, and a piston rod of the second cylinder 11 penetrates through the fixing frame 1 and extends towards the front; the product is fixed, and the stability of the product during detection is improved.

Working principle: the parts are placed on the placing plate 5, the parts are tightly propped against the placing plate 5 by the second air cylinder 11, then the servo motor 21 is driven by the first air cylinder 7 to move downwards, the servo motor 21 rotates, the go gauge 22 is completely screwed into a threaded hole of the part to be tested, then a product is released, the servo motor 21 drives the rotating part, at the moment, the industrial camera 42 and the telecentric lens 43 continuously shoot the outer circular surface of the go gauge 22 and the installation surface of the threaded hole for 30-50 times, right-angle sides are arranged, the software detects gaps between the outer circular surface of the go gauge 22 and the right-angle sides, so that the perpendicularity of the threaded hole is judged, and after the go gauge 22 rotates, the monitoring component 31 judges OK, the detection is finished.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (6)

1. Internal thread straightness detection mechanism that hangs down, its characterized in that: comprises a fixing frame (1), an automatic rotating mechanism (2), an automatic sensing mechanism (3), a visual detection mechanism (4) and a placing plate (5); the utility model discloses a visual inspection device, including mount (1), visual inspection mechanism, including mount (1), fixed block (6) are bolted to positive top of mount (1), fixed block (6) have been bolted to the top of fixed block (6), automatic rotary mechanism (2) set up on the piston rod of first cylinder (7), place board (5) and set up in the positive bottom of mount (1), automatic induction mechanism (3) set up in the top of placing board (5), visual inspection mechanism (4) set up in the left side of mount (1).

2. The internal thread verticality detection mechanism according to claim 1, wherein: the automatic rotating mechanism (2) comprises a servo motor (21) and a go gauge (22), a piston rod of the first cylinder (7) penetrates through the fixed block (6) and is bolted with the servo motor (21), and an output shaft of the servo motor (21) is fixedly connected with the top of the go gauge (22).

3. The internal thread verticality detection mechanism according to claim 1, wherein: the automatic induction mechanism (3) comprises a monitoring assembly (31) and a proximity switch (32), a fixing plate is bolted to the right side of the top of the placing plate (5), and the proximity switch (32) and the monitoring assembly (31) are sequentially bolted to the right side of the fixing plate from front to back.

4. The internal thread verticality detection mechanism according to claim 1, wherein: the visual detection mechanism (4) comprises a support frame (41), an industrial camera (42) and a telecentric lens (43), wherein the front surface of the support frame (41) is bolted with a support block, and the industrial camera (42) and the telecentric lens (43) are sequentially bolted to the top of the support block from front to back.

5. The internal thread verticality detection mechanism according to claim 1, wherein: the utility model discloses a servo motor, including mount (1), servo motor, slide rail (8) are all bolted to the positive both sides of mount (1), the surface of slide rail (8) is from last to sliding connection having slider (9), the positive bolt of slider (9) has mounting panel (10), the front of mounting panel (10) and the back bolt of servo motor (21).

6. The internal thread verticality detection mechanism according to claim 1, wherein: the bottom of the back of the fixing frame (1) is bolted with a second air cylinder (11), and a piston rod of the second air cylinder (11) penetrates through the fixing frame (1) and extends towards the front.