A bottle cap tightening state detection device

Abstract

The present application relates to a bottle cap tightening state detection device, including a frame, a conveyor belt is arranged above the frame, the frame is connected with a distance detection component, the distance detection component is used to measure the distance between the surface of the reagent bottle cap and the plane where the conveyor belt is located; the frame is also connected with a signal processor and a controller, the distance detection component is electrically connected to the signal processor, the signal processor is electrically connected to the controller, and the controller is electrically connected to the conveyor belt. The present application has the effect of measuring the distance between the surface of the reagent bottle cap and the plane where the conveyor belt is located by the distance detection component, so as to judge whether the bottle cap is screwed to a predetermined position, if the distance between the surface of the reagent bottle cap and the plane where the conveyor belt is located is greater than a preset value, the bottle cap is not tightened, otherwise, the bottle cap is tightened; in the process of judging whether the bottle cap of the reagent bottle is tightened, the detection device does not need to squeeze the reagent bottle, thereby reducing the risk of damage to the reagent bottle or inaccurate detection results to a certain extent.

Description

Technical Field

[0001] The present application relates to the field of detection equipment, and in particular to a device for detecting the tightening state of a bottle cap. Background Art

[0002] The caps of medical reagent bottles should not be too tight or too loose. If the caps are too tight, it will be difficult to open and the caps will deform or crack. If the caps are too loose, the reagent bottles will leak or the caps will fall off. Therefore, how to detect the tightening status of the caps of medical reagent bottles on the automated production line is a problem worth exploring.

[0003] At present, there is a bottle cap production tightening quality inspection machine, which fixes the bottle by setting a cylinder and a clamping block, and sets a mobile clamping block and a pressure sensing module inside the mobile clamping block. During the inspection, the bottle body is squeezed by the mobile clamping block, and the pressure sensing module detects the stress change when the bottle body is squeezed. Whether the airtightness of the bottle is good is judged by whether the stress value changes.

[0004] With regard to the above-mentioned related technologies, different reagent bottles have different hardness and toughness. In the process of judging whether the airtightness of the bottle is good by squeezing the bottle body to measure the stress change, there is a risk of damage to the reagent bottle or inaccurate test results. Utility Model Content

[0005] In order to reduce the risk of reagent bottle damage or inaccurate test results during the detection process, the present application provides a bottle cap tightening status detection device.

[0006] The present application provides a bottle cap tightening state detection device adopts the following technical solution:

[0007] A bottle cap tightening state detection device comprises a frame, a conveyor belt is arranged above the frame, the conveyor belt is used to transport reagent bottles covered with bottle caps, the frame is connected with a distance detection component, the distance detection component is used to measure the distance between the surface of the reagent bottle cap and the plane where the conveyor belt is located; the frame is also connected with a signal processor and a controller, the distance detection component is electrically connected to the signal processor, the signal processor is electrically connected to the controller, and the controller is electrically connected to the conveyor belt.

[0008] By adopting the above technical solution, when detecting whether the bottle cap of the reagent bottle is tightened, the conveyor belt drives the reagent bottle to move to the detection position, and the distance detection component measures the distance between the surface of the bottle cap of the reagent bottle and the plane where the conveyor belt is located, so as to determine whether the bottle cap is screwed to the predetermined position. If the distance between the surface of the bottle cap of the reagent bottle and the plane where the conveyor belt is located is greater than the preset value, the bottle cap is not tightened, otherwise, the bottle cap is tightened, and the distance detection component transmits the signal to the controller through the signal processor, and then the controller determines whether to control the conveyor belt to continue transporting according to the signal; in the process of judging the distance between the surface of the bottle cap of the reagent bottle and the plane where the conveyor belt is located, and then judging whether the bottle cap of the reagent bottle is tightened, the detection device does not need to squeeze the reagent bottle, thereby reducing the risk of damage to the reagent bottle or inaccurate detection results to a certain extent.

[0009] Optionally, the distance detection component includes an infrared laser emitter and an infrared laser receiver, the infrared laser emitter is located on one side of the conveyor belt, and the infrared laser receiver is located on the side of the conveyor belt away from the infrared laser emitter, and the distance from the infrared laser emitter and the infrared laser receiver to the surface of the conveyor belt is the same as the preset overall height of the reagent bottle.

[0010] By adopting the above technical solution, the conveyor belt drives the reagent bottle to move between the infrared laser transmitter and the infrared laser receiver. When the infrared laser receiver receives the signal from the infrared laser transmitter, it indicates that the distance between the upper surface of the reagent bottle cap and the plane where the conveyor belt is located is less than the preset value. The distance detection component transmits the signal to the controller through the signal processor, and then the controller controls the conveyor belt to continue transporting; conversely, it indicates that the distance between the surface of the reagent bottle cap and the plane where the conveyor belt is located is greater than the preset value. The distance detection component transmits the signal to the controller through the signal processor, and then the controller controls the conveyor belt to stop transporting.

[0011] Optionally, the frame is connected to a moving part, which is connected to the infrared laser emitter and the infrared laser receiver and is electrically connected to the signal processor, and the moving part is used to drive the infrared laser emitter and the infrared laser receiver to move in a direction perpendicular to the plane where the conveyor belt is located.

[0012] By adopting the above technical solution, when the infrared laser transmitter and the infrared laser receiver are in the initial position, the signal emitted by the infrared laser transmitter can be intercepted by the reagent bottle located between the infrared laser transmitter and the infrared laser receiver; when the detection device is turned on, the conveyor belt drives the reagent bottle to move between the infrared laser transmitter and the infrared laser receiver. After the infrared laser receiver determines that the reagent bottle has reached the detection position, the moving part drives the infrared laser transmitter and the infrared laser receiver to move in the direction away from the conveyor belt until the infrared laser receiver receives the signal from the infrared laser transmitter again. The signal processor records the time from the start of detection to the time when the infrared laser receiver receives the signal from the infrared laser transmitter. When the time is less than the specified value, it indicates that the distance between the surface of the reagent bottle cap and the plane where the conveyor belt is located is too small and the tightening force of the bottle cap is too large.

[0013] Optionally, the moving part includes a moving cylinder, which is connected to a frame and the output shaft of the moving cylinder is perpendicular to the plane of the conveyor belt, the moving cylinder is electrically connected to a controller and the output shaft of the moving cylinder is connected to a connecting rod, both ends of the connecting rod are respectively connected to fixed plates, and the infrared laser transmitter and the infrared laser receiver are connected to the fixed plate.

[0014] By adopting the above technical solution, when the infrared laser transmitter and the infrared laser receiver move, the controller starts the moving cylinder, and the moving cylinder drives the infrared laser transmitter and the infrared laser receiver to move in a direction perpendicular to the plane where the conveyor belt is located through the connecting rod and the fixed plate.

[0015] Optionally, a connecting hole connected to the outer wall on the other side of the connecting rod is opened on the outer wall of the connecting rod facing the conveyor belt, and a threaded hole connected to the outer wall of the connecting rod is opened on the inner wall of the connecting hole. The fixing plate is connected to the connecting rod through the connecting hole, and a fastening screw matching the threaded hole is passed through the threaded hole.

[0016] By adopting the above technical solution, when the height of the reagent bottle changes, the distance of the fixed plate relative to the plane where the conveyor belt is located is adjusted through the connecting hole, and then the fastening screw is screwed into the threaded hole so that one end of the fastening screw abuts against the surface of the fixed plate, thereby realizing the adjustment and fixation of the fixed plate.

[0017] Optionally, the frame is also connected to a telescopic member, one end of which is connected to a baffle, the baffle is located on the side of the reagent bottle away from the conveying direction of the conveyor belt, the telescopic direction of the telescopic member is perpendicular to the conveying direction of the conveyor belt and the telescopic member is electrically connected to the signal processor.

[0018] By adopting the above technical solution, during the reagent bottle inspection process, the conveyor belt continues to work, and before the inspection of the previous reagent bottle is completed and the moving part returns to the initial position, the baffle blocks the subsequent reagent bottles, thereby reducing the risk of the subsequent reagent bottles moving too fast and the moving part being unable to determine whether to perform the next round of inspection.

[0019] Optionally, the rack is also connected to an alarm, and the alarm is electrically connected to the signal processor.

[0020] By adopting the above technical solution, when the signal processor receives a signal that the bottle cap is tightened too much or too little, the signal processor controls the alarm to sound an alarm, thereby reminding the staff to deal with it in time, thereby reducing the risk of defective products affecting detection efficiency to a certain extent.

[0021] Optionally, the rack is also connected to a display, and the display is electrically connected to the signal processor.

[0022] By adopting the above technical solution, the staff can observe the qualified rate and tightening status of the reagent bottles through the display, and adjust the tightening force of the reagent bottles according to the data, thereby reducing the defective rate to a certain extent.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. When detecting whether the bottle cap of the reagent bottle is tightened, the conveyor belt drives the reagent bottle to move to the detection position, and the distance detection component measures the distance between the surface of the bottle cap of the reagent bottle and the plane where the conveyor belt is located, so as to determine whether the bottle cap is screwed to the predetermined position. If the distance between the surface of the bottle cap of the reagent bottle and the plane where the conveyor belt is located is greater than the preset value, the bottle cap is not tightened, otherwise, the bottle cap is tightened, and the distance detection component transmits the signal to the controller through the signal processor, and then the controller determines whether to control the conveyor belt to continue transportation according to the signal; in the process of judging the distance between the surface of the bottle cap of the reagent bottle and the plane where the conveyor belt is located by the distance detection component, and then judging whether the bottle cap of the reagent bottle is tightened, the detection device does not need to squeeze the reagent bottle, thereby reducing the risk of damage to the reagent bottle or inaccurate detection results to a certain extent;

[0025] 2. The conveyor belt drives the reagent bottle to move between the infrared laser transmitter and the infrared laser receiver. When the infrared laser receiver receives the signal from the infrared laser transmitter, it indicates that the distance between the upper surface of the reagent bottle cap and the plane where the conveyor belt is located is less than the preset value. The distance detection component transmits the signal to the controller through the signal processor, and then the controller controls the conveyor belt to continue transporting. On the contrary, it indicates that the distance between the surface of the reagent bottle cap and the plane where the conveyor belt is located is greater than the preset value. The distance detection component transmits the signal to the controller through the signal processor, and then the controller controls the conveyor belt to stop transporting.

[0026] 3. When the infrared laser transmitter and the infrared laser receiver are in the initial position, the signal emitted by the infrared laser transmitter can be intercepted by the reagent bottle located between the infrared laser transmitter and the infrared laser receiver; when the detection device is turned on, the conveyor belt drives the reagent bottle to move between the infrared laser transmitter and the infrared laser receiver. After the infrared laser receiver determines that the reagent bottle has reached the detection position, the moving part drives the infrared laser transmitter and the infrared laser receiver to move away from the conveyor belt until the infrared laser receiver receives the signal from the infrared laser transmitter again. The signal processor records the time from the start of detection to the infrared laser receiver receiving the infrared laser transmitter signal. When the time is less than the specified value, it indicates that the distance between the surface of the reagent bottle cap and the plane where the conveyor belt is located is too small and the bottle cap is tightened too much. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application;

[0028] Figure 2 yes Figure 1 A partial enlarged schematic diagram of part A;

[0029] Figure 3 is a schematic cross-sectional structural diagram of a distance detection component in an embodiment of the present application;

[0030] In the figure: 1. frame; 11. telescopic part; 12. baffle; 2. conveyor belt; 3. reagent bottle; 4. distance detection component; 41. infrared laser transmitter; 42. infrared laser receiver; 43. moving part; 431. moving cylinder; 432. connecting rod; 4321. connecting hole; 4322. threaded hole; 433. fixing plate; 434. fastening screw; 5. signal processor; 6. controller; 7. alarm; 8. display. DETAILED DESCRIPTION

[0031] The following is combined with Figure 1-3 This application is described in further detail.

[0032] The present application embodiment discloses a bottle cap tightening state detection device. Figure 1 and Figure 2A bottle cap tightening state detection device includes a frame 1, a conveyor belt 2 is arranged above the frame 1, the conveyor belt 2 is used to transport reagent bottles 3 covered with bottle caps, the frame 1 is connected to a distance detection component 4, the distance detection component 4 includes an infrared laser transmitter 41 and an infrared laser receiver 42, the infrared laser transmitter 41 is located on one side of the conveyor belt 2, the infrared laser receiver 42 is located on the side of the conveyor belt 2 away from the infrared laser transmitter 41, the distance from the infrared laser transmitter 41 and the infrared laser receiver 42 to the plane where the conveyor belt 2 is located is the same as the overall bottle height of the reagent bottle 3; the frame 1 is also connected to a signal processor 5 and a controller 6, the infrared laser transmitter 41 and the infrared laser receiver 42 are electrically connected to the signal processor 5, the signal processor 5 is electrically connected to the controller 6, and the controller 6 is electrically connected to the conveyor belt 2.

[0033] When detecting whether the bottle cap of the reagent bottle 3 is tightened, the conveyor belt 2 drives the reagent bottle 3 to move between the infrared laser emitter 41 and the infrared laser receiver 42. When the infrared laser receiver 42 receives the signal of the infrared laser emitter 41, it indicates that the distance between the upper surface of the bottle cap of the reagent bottle 3 and the plane where the conveyor belt 2 is located is less than the preset value, and the bottle cap is in a tightened state. The infrared laser emitter 41 and the infrared laser receiver 42 transmit the signal to the controller 6 through the signal processor 5, and then the controller 6 controls the conveyor belt 2 to continue transporting; if the infrared laser receiver 42 does not receive the signal of the infrared laser emitter 41, it indicates that the distance between the upper surface of the bottle cap of the reagent bottle 3 and the plane where the conveyor belt 2 is located is less than the preset value, and the bottle cap is in a tightened state. It is clear that the distance between the surface of the bottle cap of the reagent bottle 3 and the plane where the conveyor belt 2 is located is greater than the preset value, and the bottle cap is in an untightened state. The infrared laser transmitter 41 and the infrared laser receiver 42 transmit the signal to the controller 6 through the signal processor 5, and then the controller 6 controls the conveyor belt 2 to stop transport; the distance detection component 4 detects whether the distance between the surface of the bottle cap of the reagent bottle 3 and the plane where the conveyor belt 2 is located falls within the preset distance interval, and then determines whether the bottle cap of the reagent bottle 3 is tightened, so there is no need to consider the material hardness of the reagent bottle 3, which reduces the risk of damage to the reagent bottle 3 or inaccurate test results during the detection process to a certain extent.

[0034] Reference Figure 1 and Figure 2 The distance detection component 4 also includes a moving part 43, the moving part 43 includes a moving cylinder 431, the moving cylinder 431 is connected to the frame 1 and the output shaft of the moving cylinder 431 is perpendicular to the plane where the conveyor belt 2 is located, the moving cylinder 431 is electrically connected to the controller 6 and the output shaft of the moving cylinder 431 is connected to a connecting rod 432, and the two ends of the connecting rod 432 are respectively connected to fixed plates 433, and the infrared laser transmitter 41 and the infrared laser receiver 42 are connected to the fixed plate 433.

[0035] When the infrared laser transmitter 41 and the infrared laser receiver 42 are in the initial position, the signal emitted by the infrared laser transmitter 41 can be intercepted by the reagent bottle 3 located between the infrared laser transmitter 41 and the infrared laser receiver 42; when the detection device starts to work, the conveyor belt 2 drives the reagent bottle 3 to move between the infrared laser transmitter 41 and the infrared laser receiver 42. After the signal emitted by the infrared laser transmitter 41 is intercepted by the body of the reagent bottle 3, the infrared laser receiver 42 determines that the reagent bottle 3 has reached the detection position and transmits the signal to the signal processor 5, and then the controller 6 starts the moving cylinder 431, and the moving cylinder 431 drives the infrared laser transmitter 41 to move through the connecting rod 432 and the fixed plate 433. The infrared laser transmitter 41 and the infrared laser receiver 42 move in a direction perpendicular to the plane where the conveyor belt 2 is located until the infrared laser receiver 42 receives the signal from the infrared laser transmitter 41 again. The signal processor 5 records the time from the beginning of detection to the time when the infrared laser receiver 42 receives the signal from the infrared laser transmitter 41 again. When the time is less than the specified value, it indicates that the distance between the surface of the bottle cap of the reagent bottle 3 and the plane where the conveyor belt 2 is located is too small, and the tightening force of the bottle cap is too large. The infrared laser transmitter 41 and the infrared laser receiver 42 transmit the signal to the controller 6 through the signal processor 5, and then the controller 6 controls the conveyor belt 2 to stop transport, thereby reducing the risk of excessive tightening torque of the bottle cap of the reagent bottle 3.

[0036] When the time from the beginning of detection to the time when the infrared laser receiver 42 receives the signal from the infrared laser transmitter 41 again falls into the specified value range, it indicates that the distance between the surface of the bottle cap of the reagent bottle 3 and the plane where the conveyor belt 2 is located is appropriate, and the tightening force of the bottle cap is moderate, and then the infrared laser transmitter 41 and the infrared laser receiver 42 return to the initial position until the next reagent bottle 3 arrives between the infrared laser transmitter 41 and the infrared laser receiver 42, and the infrared laser transmitter 41 and the infrared laser receiver 42 perform the next round of detection; when the infrared laser receiver 42 has not received the signal from the infrared laser transmitter 41, it indicates that the distance between the surface of the bottle cap of the reagent bottle 3 and the plane where the conveyor belt 2 is located is greater than the preset value, and the bottle cap is not tightened, and the infrared laser transmitter 41 and the infrared laser receiver 42 transmit the signal to the controller 6 through the signal processor 5, and then the controller 6 controls the conveyor belt 2 to stop transporting, and the staff processes the detected reagent bottle 3.

[0037] Reference Figure 1 and Figure 3A connecting hole 4321 is provided on the outer wall of one side of the connecting rod 432 facing the conveyor belt 2, and a threaded hole 4322 is provided on the inner wall of the connecting hole 4321 to connect to the outer wall of the connecting rod 432. The fixing plate 433 is connected to the connecting rod 432 through the connecting hole 4321, and a fastening screw 434 matching the threaded hole 4322 is passed through the threaded hole 4322; when the height of the reagent bottle 3 changes, the distance of the fixing plate 433 relative to the plane where the conveyor belt 2 is located is adjusted through the connecting hole 4321, and then the fastening screw 434 is screwed into the threaded hole 4322 so that one end of the fastening screw 434 is against the fixing plate 433, thereby realizing the adjustment and fixation of the fixing plate 433.

[0038] Reference Figure 1 and Figure 2 The frame 1 is also connected to a telescopic member 11. The telescopic member 11 in the embodiment of the present application is a telescopic cylinder. The output shaft of the telescopic cylinder is connected to a baffle 12, and the extension direction of the output shaft of the telescopic cylinder is perpendicular to the transportation direction of the conveyor belt 2. The baffle 12 is located on the side of the reagent bottle 3 away from the transportation direction of the conveyor belt 2. The telescopic cylinder is electrically connected to the signal processor 5. During the detection of the reagent bottle 3, the conveyor belt 2 continues to work. After the detection of the previous reagent bottle 3 is completed and before the moving member 43 returns to the initial position, the baffle 12 blocks the subsequent reagent bottles 3, thereby reducing the risk that the continuous reagent bottles 3 make the moving member 43 unable to determine whether to perform the next round of detection.

[0039] Reference Figure 1 The rack 1 is also connected to an alarm 7 and a display 8, and the alarm 7 and the display 8 are both electrically connected to the signal processor 5; when the signal processor 5 receives a signal that the tightening force of the bottle cap is too large or too small, the signal processor 5 controls the alarm 7 to sound an alarm, thereby reminding the staff to deal with it in time, thereby reducing the risk of defective products affecting the detection efficiency to a certain extent; in addition, the staff observes the qualified rate and tightening status of the reagent bottle 3 through the display 8, and adjusts the tightening force of the reagent bottle 3 according to the data, thereby reducing the defective rate to a certain extent.

[0040] The implementation principle of a bottle cap tightening state detection device in an embodiment of the present application is as follows: when detecting whether the bottle cap of a reagent bottle 3 is tightened, the conveyor belt 2 drives the reagent bottle 3 to move between the infrared laser emitter 41 and the infrared laser receiver 42. When the infrared laser receiver 42 receives the signal of the infrared laser emitter 41, it indicates that the distance between the upper surface of the bottle cap of the reagent bottle 3 and the plane where the conveyor belt 2 is located is less than a preset value, the bottle cap is in a tightened state, and the conveyor belt 2 continues to transport; if the infrared laser receiver 42 does not receive the signal of the infrared laser emitter 41, it indicates that the distance between the surface of the bottle cap of the reagent bottle 3 and the plane where the conveyor belt 2 is located is greater than a preset value, the bottle cap is in an untightened state, and the conveyor belt 2 stops transporting; the distance detection component 4 detects whether the distance between the surface of the bottle cap of the reagent bottle 3 and the plane where the conveyor belt 2 is located falls within a preset distance interval, and then determines whether the bottle cap of the reagent bottle 3 is tightened, so there is no need to consider the material hardness of the reagent bottle 3, which reduces the risk of damage to the reagent bottle 3 or inaccurate detection results to a certain extent.

[0041] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A bottle cap tightening state detection device, characterized in that: The invention comprises a frame (1), a conveyor belt (2) is arranged above the frame (1), the conveyor belt (2) is used to transport reagent bottles (3) covered with bottle caps, the frame (1) is connected to a distance detection component (4), the distance detection component (4) is used to measure the distance between the upper surface of the bottle cap of the reagent bottle (3) and the plane where the conveyor belt (2) is located; the frame (1) is also connected to a signal processor (5) and a controller (6), the distance detection component (4) is electrically connected to the signal processor (5), the signal processor (5) is electrically connected to the controller (6), and the controller (6) is electrically connected to the conveyor belt (2).

2. A bottle cap tightening state detection device according to claim 1, characterized in that: The distance detection component (4) comprises an infrared laser transmitter (41) and an infrared laser receiver (42), wherein the infrared laser transmitter (41) is located on one side of the conveyor belt (2), and the infrared laser receiver (42) is located on the side of the conveyor belt (2) away from the infrared laser transmitter (41), and the distances from the infrared laser transmitter (41) and the infrared laser receiver (42) to the surface of the conveyor belt (2) are the same as the preset overall height of the reagent bottle (3).

3. A bottle cap tightening state detection device according to claim 2, characterized in that: The frame (1) is connected to a moving part (43), the moving part (43) is connected to the infrared laser transmitter (41) and the infrared laser receiver (42), and the moving part (43) is electrically connected to the signal processor (5), and the moving part (43) is used to drive the infrared laser transmitter (41) and the infrared laser receiver (42) to move in a direction perpendicular to the plane where the conveyor belt (2) is located.

4. A bottle cap tightening state detection device according to claim 3, characterized in that: The moving member (43) comprises a moving cylinder (431), the moving cylinder (431) is connected to the frame (1), and the output shaft of the moving cylinder (431) is perpendicular to the plane where the conveyor belt (2) is located, the moving cylinder (431) is electrically connected to the controller (6), and the output shaft of the moving cylinder (431) is connected to a connecting rod (432), and both ends of the connecting rod (432) are respectively connected to a fixing plate (433), and the infrared laser transmitter (41) and the infrared laser receiver (42) are connected to the fixing plate (433).

5. A bottle cap tightening state detection device according to claim 4, characterized in that: A connecting hole (4321) connected to the outer wall of the other side of the connecting rod (432) is provided on the outer wall of the connecting rod (432) facing the conveyor belt (2); a threaded hole (4322) connected to the outer wall of the connecting rod (432) is provided on the inner wall of the connecting hole (4321); the fixing plate (433) is connected to the connecting rod (432) via the connecting hole (4321); a fastening screw (434) matching the threaded hole (4322) is inserted into the threaded hole (4322).

6. A bottle cap tightening state detection device according to claim 4, characterized in that: The frame (1) is also connected to a telescopic member (11), one end of the telescopic member (11) being connected to a baffle (12), the baffle (12) being located on a side of the reagent bottle (3) that is away from the transport direction of the conveyor belt (2), the telescopic direction of the telescopic member (11) being perpendicular to the transport direction of the conveyor belt (2), and the telescopic member (11) being electrically connected to the signal processor (5).

7. A bottle cap tightening state detection device according to claim 1, characterized in that: The rack (1) is also connected to an alarm (7), and the alarm (7) is electrically connected to the signal processor (5).

8. The bottle cap tightening state detection device according to claim 1, characterized in that: The rack (1) is also connected to a display (8), and the display (8) is electrically connected to the signal processor (5).

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