Clamping mechanism for bolt and nut size detection

Abstract

The utility model belongs to the technical field of bolt and nut processing, and particularly relates to a clamping mechanism for bolt and nut size detection, which comprises a rack, a clamping device is arranged above the rack, and the clamping device comprises a rotating motor, a turntable, a fixed box, a movable frame, a bidirectional screw rod, a screw rod motor, a clamping rack, a lifting motor and a gear. According to the clamping mechanism for bolt and nut size detection, the rotating motor drives the rotating disc to rotate so that the clamping device can achieve continuous clamping work, it is not needed to wait for the same clamping structure to complete all work, and the lead screw motor drives the two-way lead screw so that the clamping racks can get close to or get away from each other to achieve the purpose of clamping or loosening; the lifting motor drives the gear to rotate so that the clamping rack can ascend and descend to adapt to the position of the ultrasonic detector, the detection result can be more accurate through the ultrasonic detector, the vibrating motor drives the screen to vibrate so that bolts and nuts can be orderly laid on the conveying belt, and meanwhile parts which do not meet the size requirement can be preliminarily screened out.

Description

TECHNICAL FIELD

[0001] The utility model relates to bolt nut processing technical field, specifically is a kind of clamping mechanism for bolt nut size detection. BACKGROUND

[0002] In modern industrial production, as widely used connecting pieces, the quality and dimensional accuracy of bolts and nuts play a crucial role in ensuring the safety and reliability of various mechanical equipment and structures. With the rapid development of manufacturing industry and the continuous improvement of automation production level, higher requirements are put forward for the efficiency, precision and automation degree of bolt and nut size detection.

[0003] Traditional bolt and nut size detection methods often rely on manual operation of measuring tools, such as calipers, micrometers, etc. This manual detection method not only has high labor intensity and slow detection speed, but also is easily affected by human factors, which makes it difficult to guarantee the accuracy and consistency of detection results. For example, the measurement method of the operator, visual error and fatigue factors may introduce measurement deviation, and in large-scale production detection, the accumulation of these deviations may cause unqualified products to flow into the market, causing serious quality problems and safety hazards.

[0004] For example, Chinese patent CN219996059U discloses a size detection equipment for nut production, which comprises a containing box, the containing box is provided with a placing cavity and an installation cavity, a plurality of measuring parts are arranged in the installation cavity and can slide towards the placing cavity and be inserted into the placing cavity, the plurality of measuring parts are controlled by a stretching plate, the plurality of measuring parts are connected with the stretching plate through sliding connection, and a first elastic member is arranged on one side of the plurality of measuring parts to drive the measuring parts to move towards the placing cavity. The utility model sets a plurality of measuring parts on one side of the placing cavity, which can be inserted into the placing cavity, when the top rod of the measuring part leans against the side wall of the nut, the value corresponding to the measuring plate and the scale can be obtained to measure the outer diameter of the nut, so that the equipment can quickly and accurately measure the outer diameter of multiple nuts. The equipment is small, convenient and portable, and the equipment is simple and convenient to produce and use.

[0005] However, the device still needs manual operation, which is inefficient and time-consuming for large-scale detection. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a clamping mechanism for bolt and nut size detection to solve the problem of manual operation of the device, low efficiency and time-consuming for large-scale detection as mentioned in the background technology.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a kind of clamping mechanism for bolt and nut size detection, including rack, clamping device is arranged on the rack top, the clamping device includes rotating motor, carousel, fixed box, moving frame, bidirectional screw rod, screw rod motor, clamping rack gear, lifting motor and gear, the rotating motor is installed on rack top, the carousel is connected to rotating motor output end, the fixed box is fixedly connected to carousel lower side, the screw rod motor is fixedly installed in fixed box interior, the bidirectional screw rod is connected to screw rod motor output end, the moving frame is connected to bidirectional screw rod outer surface, the lifting motor is fixedly installed in moving frame one side, the gear is connected to lifting motor output end, the clamping rack gear is installed in moving frame interior and engages in gear outer surface, rotating carousel by rotating motor drives clamping device can realize continuous clamping work, without waiting for the same clamping structure to complete all work, by screw rod motor drives bidirectional screw rod so that clamping rack gear is close to each other or away from each other to reach the purpose of clamping or relaxation, by lifting motor drives gear rotation to make clamping rack gear lift to adapt to the position of ultrasonic detector.

[0008] Preferably, screw holes are formed in the top of the rack, and the rack and the rotating motor are connected by screw threads, facilitating maintenance and replacement of the rotating motor and increasing the stability of the clamping device.

[0009] Preferably, a support is fixedly connected to the back of the rack, and an ultrasonic detector is fixedly installed on the top of the support, so that the detection result is more accurate.

[0010] Preferably, a conveying device is arranged on the top of the rack, and the conveying device includes a conveying motor, a mounting frame, a conveying belt, a driving roller, a driven roller and a transmission belt, the mounting frame is fixedly connected to the front of the rack, the conveying motor is installed on the top of the mounting frame, the driving roller is connected to the output end of the conveying motor, the transmission belt is connected to the outer surface of one end of the driving roller, the driven roller is connected to the inner surface of one end of the transmission belt, and the conveying belt is connected to the outer surface of the driving roller and the transmission belt, so that the bolt and nut are conveyed in a specified direction by rotating the driving roller, the conveying belt, the driven roller and the transmission belt driven by the conveying motor.

[0011] Preferably, screw holes are formed in one side of the mounting frame, and the conveying motor and the mounting frame are connected by screw threads, facilitating maintenance and replacement of the motor and improving the convenience of the device.

[0012] Preferably, the rack is provided with a prescreening device above the rack, the prescreening device comprises a prescreening box, a supporting plate, a vibrating motor, a screen and a discharge port, the prescreening box is fixedly connected to the left side above the rack, the supporting plate is fixedly connected to the inside of the prescreening box, the screen is connected to the top of the supporting plate, and the vibrating motor is fixedly installed above the plate extended to the left side of the prescreening box and connected to the left side of the screen, so that the screen is vibrated by the vibrating motor to orderly lay the bolt and nut on the conveying belt, and the parts not meeting the size requirements are preliminarily screened out.

[0013] Preferably, the rack is provided with a prescreening device above the rack, the prescreening device comprises a prescreening box, a supporting plate, a vibrating motor, a screen and a discharge port, the prescreening box is fixedly connected to the left side above the rack, the supporting plate is fixedly connected to the inside of the prescreening box, the screen is connected to the top of the supporting plate, and the vibrating motor is fixedly installed above the plate extended to the left side of the prescreening box and connected to the left side of the screen, so that the screen is vibrated by the vibrating motor to orderly lay the bolt and nut on the conveying belt, and the parts not meeting the size requirements are preliminarily screened out.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The bolt and nut size detection clamping mechanism, the rotating motor drives the rotating disc to rotate, so that the clamping device can realize continuous clamping work, without waiting for the same clamping structure to complete all work, the screw rod motor drives the bidirectional screw rod to make the clamping rack close to or away from each other, so as to achieve the purpose of clamping or relaxation, the lifting motor drives the gear to rotate, so that the clamping rack is lifted to adapt to the position of the ultrasonic detector, and the detection result is more accurate through the ultrasonic detector.

[0016] 2. The bolt and nut size detection clamping mechanism, the conveying motor drives the driving roller, the conveying belt, the driven roller and the transmission belt to rotate, so that the bolt and nut are conveyed in the specified direction, the vibrating motor drives the screen to vibrate, so that the bolt and nut are orderly laid on the conveying belt, and the parts not meeting the size requirements are preliminarily screened out.

[0017] 3. The bolt and nut size detection clamping mechanism, the parts not meeting the size requirements are put into the substandard product box, the parts meeting the size requirements are put into the finished product box, and the damper, the spring and the flexible plate are cooperated to reduce the impact and noise when the parts fall into the box. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2 It is a conveying structure schematic view of the utility model;

[0020] Figure 3The utility model discloses a primary screening structure schematic view.

[0021] Figure 4 The utility model discloses a clamping structure schematic view.

[0022] Figure 5 The utility model discloses a collection and screening structure schematic view.

[0023] In the drawing: 1, rack, 101, finished product box, 2, primary screening box, 201, support plate, 202, vibration motor, 203, screen, 204, discharge gate, 3, conveying motor, 301, mounting frame, 302, conveying belt, 303, driving roller, 304, driven roller, 305, transmission belt, 4, rotary motor, 401, turntable, 402, fixed box, 403, moving frame, 404, bidirectional screw rod, 405, screw rod motor, 406, clamping rack, 407, lifting motor, 408, gear, 5, ultrasonic detector, 501, support, 6, defective product box, 601, damper, 602, spring, 603, flexible plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the utility model.

[0025] Please refer to Figures 1-5 The utility model provides a technical scheme:

[0026] Embodiment one: a clamping mechanism for bolt and nut size detection, including rack 1, the clamping device is provided with on rack 1 top,

[0027] The clamping device includes rotary motor 4, turntable 401, fixed box 402, moving frame 403, bidirectional screw rod 404, screw rod motor 405, clamping rack 406, lifting motor 407 and gear 408, rotary motor 4 is installed on rack 1 top, turntable 401 is connected to rotary motor 4 output end, fixed box 402 is fixedly connected to turntable 401 below, screw rod motor 405 is fixedly installed in fixed box 402 interior, bidirectional screw rod 404 is connected to screw rod motor 405 output end, moving frame 403 is connected to bidirectional screw rod 404 outer surface, lifting motor 407 is fixedly installed on one side of moving frame 403, gear 408 is connected to lifting motor 407 output end, clamping rack 406 is installed in moving frame 403 interior and is engaged on the outer surface of gear 408, rack 1 back is fixedly connected with support 501, and support 501 top is fixedly installed with ultrasonic detector 5.

[0028] In this embodiment, the rotating motor 4 drives the rotating disc 401 to rotate to enable the clamping device to realize continuous clamping work, without waiting for the same clamping structure to complete all work. The screw motor 405 drives the bidirectional screw rod 404 to make the clamping racks 406 close to or away from each other to achieve the purpose of clamping or loosening. The lifting motor 407 drives the gear 408 to rotate to make the clamping racks 406 ascend or descend to adapt to the position of the ultrasonic detector 5. The ultrasonic detector 5 makes the detection result more accurate.

[0029] In the embodiment one, the rack 1 is provided with a conveying device above the rack 1. The conveying device comprises a conveying motor 3, a mounting frame 301, a conveying belt 302, a driving roller 303, a driven roller 304 and a transmission belt 305. The mounting frame 301 is fixedly connected to the front of the rack 1. The conveying motor 3 is installed above the mounting frame 301. The driving roller 303 is connected to the output end of the conveying motor 3. The driving roller 303 is connected with the transmission belt 305 on the outer surface of one end of the driving roller 303. The driven roller 304 is connected to the inner surface of one end of the transmission belt 305. The driving roller 303 and the transmission belt 305 are connected with the conveying belt 302 on the outer surface.

[0030] The rack 1 is provided with a preliminary screening device above the rack 1. The preliminary screening device comprises a preliminary screening box 2, a supporting plate 201, a vibrating motor 202, a screen 203 and a discharge port 204. The preliminary screening box 2 is fixedly connected to the left side above the rack 1. The supporting plate 201 is fixedly connected to the inside of the preliminary screening box 2. The screen 203 is connected to the upper side of the supporting plate 201. The vibrating motor 202 is fixedly installed above the plate extended from the left side of the preliminary screening box 2 and the output end is connected to the left side of the screen 203.

[0031] In this embodiment, the driving roller 303, the conveying belt 302, the driven roller 304 and the transmission belt 305 are driven by the conveying motor 3 to rotate to convey the bolts and nuts in a specified direction. The screen 203 is driven by the vibrating motor 202 to vibrate to orderly lay the bolts and nuts on the conveying belt 302, and at the same time, the parts not meeting the size requirements are preliminarily screened out.

[0032] In the embodiment one and the embodiment two, the rack 1 is fixedly installed with a defective product box 6 on the back of the rack 1 and a finished product box 101 on the right side of the rack 1. The defective product box 6 and the finished product box 101 are provided with a damping device inside. The damping device comprises a damper 601, a spring 602 and a flexible plate 603. The damper 601 is fixedly connected to the lower side inside the defective product box 6 and the finished product box 101. The spring 602 is installed inside the damper 601. The flexible plate 603 is fixedly connected to the upper side of the damper 601.

[0033] In this embodiment, the parts that do not meet the size requirements are placed inside the defective box 6, and the parts that meet the size requirements are placed inside the finished product box 101. The impact and noise when the parts fall into the box are reduced by the cooperation of the damper 601, the spring 602 and the flexible plate 603.

[0034] Working principle: The clamping device can realize continuous clamping work by rotating the motor 4 to drive the rotating disc 401 to rotate, without waiting for the same clamping structure to complete all the work. The clamping rack 406 is brought close to or away from each other to achieve the purpose of clamping or relaxing by the screw motor 405 driving the bidirectional screw 404. The clamping rack 406 is lifted to adapt to the position of the ultrasonic detector 5 by the lifting motor 407 driving the gear 408 to rotate. The detection result is more accurate by the ultrasonic detector 5. The bolt and nut are transported in the specified direction by the conveying motor 3 driving the driving roller 303, the conveying belt 302, the driven roller 304 and the transmission belt 305. The bolt and nut are orderly laid on the conveying belt 302 by the vibration motor 202 driving the screen 203 to vibrate, while the parts that do not meet the size requirements are preliminarily screened out. The parts that do not meet the size requirements are placed inside the defective box 6, and the parts that meet the size requirements are placed inside the finished product box 101. The impact and noise when the parts fall into the box are reduced by the cooperation of the damper 601, the spring 602 and the flexible plate 603.

[0035] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

Claims

1. A clamping mechanism for bolt and nut size detection, comprising a rack (1), characterized in that: The clamping device is arranged above the rack (1). The clamping device comprises a rotary motor (4), a rotating disc (401), a fixed box (402), a moving frame (403), a bidirectional screw rod (404), a screw rod motor (405), a clamping rack (406), a lifting motor (407) and a gear (408), the rotary motor (4) is installed above the rack (1), the rotating disc (401) is connected to the output end of the rotary motor (4), the fixed box (402) is fixedly connected below the rotating disc (401), the screw rod motor (405) is fixedly installed inside the fixed box (402), the bidirectional screw rod (404) is connected to the output end of the screw rod motor (405), the moving frame (403) is connected to the outer surface of the bidirectional screw rod (404), the lifting motor (407) is fixedly installed on one side of the moving frame (403), the gear (408) is connected to the output end of the lifting motor (407), and the clamping rack (406) is installed inside the moving frame (403) and meshes with the outer surface of the gear (408).

2. The clamping mechanism for detecting the size of a bolt and nut according to claim 1, characterized in that: Threaded holes are formed in the upper part of the rack (1), and the rack (1) and the rotary motor (4) are connected through the threaded holes by bolts.

3. The clamping mechanism for detecting the size of a bolt and nut according to claim 1, characterized in that: The rack (1) is fixedly connected with a support (501), and the support (501) is fixedly installed with an ultrasonic detector (5) above.

4. The clamping mechanism for detecting the size of a bolt and nut according to claim 1, wherein: A conveying device is arranged above the rack (1), and the conveying device comprises a conveying motor (3), a mounting frame (301), a conveying belt (302), a driving roller (303), a driven roller (304) and a transmission belt (305), the mounting frame (301) is fixedly connected to the front face of the rack (1), the conveying motor (3) is installed above the mounting frame (301), the driving roller (303) is connected to the output end of the conveying motor (3), one end of the driving roller (303) is connected with the transmission belt (305), one end of the driven roller (304) is connected to the inner surface of the transmission belt (305), and the driving roller (303) and the transmission belt (305) are connected with the conveying belt (302) on the outer surfaces.

5. The clamping mechanism for detecting the size of a bolt and nut according to claim 4, characterized in that: Threaded holes are formed in one side of the mounting frame (301), and the conveying motor (3) and the mounting frame (301) are connected through the threaded holes by bolts.

6. The clamping mechanism for detecting the size of a bolt and nut according to claim 1, wherein: An initial screening device is arranged above the rack (1), and the initial screening device comprises an initial screening box (2), a supporting plate (201), a vibrating motor (202), a screen (203) and a discharge port (204), the initial screening box (2) is fixedly connected to the upper left side of the rack (1), the supporting plate (201) is fixedly connected to the inside of the initial screening box (2), the screen (203) is connected above the supporting plate (201), the vibrating motor (202) is fixedly installed above the plate extended from the left side of the initial screening box (2) and connected to the left side of the screen (203).

7. The clamping mechanism for detecting the size of a bolt and nut according to claim 1, wherein: The back of the frame (1) is fixedly provided with a substandard box (6), and the right side of the frame (1) is fixedly provided with a finished product box (101), and the inside of the substandard box (6) and the finished product box (101) is provided with a damping device, the damping device comprises a damper (601), a spring (602) and a flexible plate (603), the damper (601) is fixedly connected to the inside of the substandard box (6) and the finished product box (101) below, the spring (602) is installed in the inside of the damper (601), and the flexible plate (603) is fixedly connected to the top of the damper (601).

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