Cap pop detection device and method of detecting

Abstract

The application discloses a cap warping detection device and a detection method thereof. The cap warping detection device comprises a conveying mechanism for conveying PET bottles, an adaptive adjusting mechanism comprising a mounting rack and a gantry collet channel, the mounting rack is arranged on one side of the conveying mechanism, the gantry collet channel is provided with a fixing seat, the fixing seat is arranged on the mounting rack in a lifting mode, the gantry collet channel is located above the conveying mechanism, the feeding end of the gantry collet channel is provided with an inclined slope, and the bottle neck of the PET bottle enters the gantry collet channel along the inclined slope. A detection mechanism is arranged for performing cap warping detection on the PET bottle and outputting a sensing signal. A control mechanism comprising a controller and an alarm is arranged, the controller is connected with the detection mechanism and the conveying mechanism respectively, and the alarm is connected with the controller.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cap lifting detection, and particularly relates to a cap lifting detection device and a detection method thereof. BACKGROUND

[0002] PET bottle products need to be detected after the sealing of the caps. At present, most of the cap sealing detection is performed by using photoelectric sensors to detect the degree of the caps, so as to determine whether the caps are in a lifting state, thereby ensuring the sealing of the PET bottles. However, in the process of hot filling, due to the increase in temperature, the PET bottles will expand to a certain extent, so that the height of the PET bottles will be different after the filling is completed, thereby affecting the accuracy of the cap lifting detection. SUMMARY

[0003] The present application aims to at least solve one of the technical problems in the prior art. To this end, the present application provides a cap lifting detection device, which can adapt to the PET bottles with height differences caused by hot filling, improve the accuracy of detection, and thus ensure the product quality.

[0004] The present application also provides a cap lifting detection method, which can adapt to the PET bottles with height differences caused by hot filling, improve the accuracy of detection, and thus ensure the product quality.

[0005] According to the cap lifting detection device provided by the first aspect of the present application, the device comprises a conveying mechanism for conveying PET bottles, an adaptive adjustment mechanism comprising a mounting frame and a gantry collet channel, the mounting frame being arranged on one side of the conveying mechanism, the gantry collet channel being provided with a fixed seat, the fixed seat being arranged on the mounting frame in a lifting manner, the gantry collet channel being located above the conveying mechanism, the inlet end of the gantry collet channel being provided with a slope, and the neck of the PET bottle entering the gantry collet channel along the slope, a detection mechanism for detecting the cap lifting of the PET bottle and outputting a sensing signal, and a control mechanism comprising a controller and an alarm, the controller being connected with the detection mechanism and the conveying mechanism respectively, and the alarm being connected with the controller.

[0006] The cap-lifting detection device according to the first aspect of this application has at least the following beneficial effects: During detection, the PET bottle is conveyed by a conveying mechanism, causing the PET bottle to move along the ramp into the gantry channel. The gantry channel descends along the mounting frame under the weight of the PET bottle, thereby driving the detection mechanism down. At this time, the contact surface between the gantry channel and the bottle neck serves as the reference surface for height detection. As the PET bottle continues to move along the gantry channel, when the cap is properly installed, the detection mechanism is not triggered, and the alarm does not work. When the cap lifts, the detection mechanism is triggered and outputs a sensing signal, and the alarm sounds to alert the staff. Since the height difference of the PET bottle comes from the bottle body, and the part above the bottle neck hardly produces a height difference, this application, by setting the gantry channel to be raised and lowered on the mounting frame, allows the gantry channel to adaptively adjust its height under the weight of the PET bottle. At this time, the contact surface between the gantry channel and the bottle neck serves as the reference surface for height detection, thereby adapting to PET bottles with height differences caused by hot filling, improving the accuracy of detection, and thus ensuring product quality.

[0007] According to the cover-lifting detection device of the first aspect of this application, the mounting bracket is provided with a slide rail, the fixing seat is provided with a slider, and the slide rail and the slider are connected in cooperation.

[0008] According to the cover-lifting detection device of the first aspect of this application, a reset spring is provided on the top of the mounting bracket, and the other end of the reset spring is connected to the fixed base.

[0009] According to the cover-lifting detection device of the first aspect of this application, the fixed base is provided with a guide rod, the guide rod is slidably inserted through the mounting frame, and the reset spring is sleeved on the guide rod.

[0010] According to the cover-lifting detection device of the first aspect of this application, the fixed base is provided with a connecting plate, and the detection mechanism is disposed on the connecting plate.

[0011] According to the first aspect of the present application, the cover-lifting detection device includes a contact plate and a sensor. The contact plate is movably disposed on the connecting plate, and the sensor is disposed on one side of the contact plate. The sensor is used to sense the swing of the contact plate and output a sensing signal.

[0012] According to the cover-lifting detection device of the first aspect of this application, the connecting plate is provided with a rotating shaft, the contact plate is rotatably connected to the rotating shaft, and the contact plate can swing around the rotating shaft.

[0013] According to the cover-lifting detection device of the first aspect of this application, the fixed base is provided with an adjusting bolt, and the connecting plate is connected to the adjusting bolt.

[0014] According to the cover-lifting detection device of the first aspect of this application, the control mechanism further includes a time relay, which is connected to the controller.

[0015] The cap-lifting detection method according to the second aspect of this application is applied to the cap-lifting detection device according to the first aspect of this application. The cap-lifting detection method includes: conveying a PET bottle by the conveying mechanism, so that the neck of the PET bottle enters the gantry channel along the ramp; the gantry channel descends along the mounting frame under the gravity of the PET bottle, so that the contact surface between the gantry channel and the neck of the bottle is used as a reference surface for height detection; acquiring the sensing signal of the detection mechanism, so that the alarm sounds an alarm.

[0016] The cap-lifting detection method according to the second aspect of this application has at least the following beneficial effects: During detection, the PET bottle is conveyed by a conveying mechanism, and the PET bottle moves along the ramp into the gantry channel. The gantry channel descends along the mounting frame under the gravity of the PET bottle, thereby driving the detection mechanism to descend. At this time, the contact surface between the gantry channel and the bottle neck serves as the reference surface for height detection. The PET bottle continues to move along the gantry channel. When the bottle cap is properly installed, the contact plate does not contact the bottle cap and does not swing. At this time, the sensor is not triggered, and the alarm does not work. When the bottle cap lifts, the contact plate swings under the action of the bottle cap. At this time, the sensor is triggered and outputs a sensing signal, and the alarm sounds to alert the staff. Since the height difference of PET bottles comes from the bottle body and there is almost no height difference above the bottle neck, this application sets the gantry gate channel to be raised and lowered on the mounting frame, so that the gantry gate channel can be adaptively adjusted under the gravity of the PET bottle. At this time, the contact surface between the gantry gate channel and the bottle neck serves as the reference surface for height detection. Since the detection mechanism moves with the gantry gate channel, the position of the detection mechanism and the reference surface remains unchanged. At this time, the detection accuracy can be improved by performing detection through the detection mechanism, thereby ensuring product quality.

[0017] The cap-lifting detection method according to the second aspect of this application includes: when the cap is properly installed, the contact plate does not swing, the sensor is not triggered, and the alarm does not work; when the cap is lifted, the contact plate swings, the sensor is triggered and outputs a sensing signal, and the alarm sounds an alarm.

[0018] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the structure of the cover-lifting detection device according to the first aspect of this application;

[0021] Figure 2 This is a schematic diagram of the bottle cap in the bottle cap detection device according to the first embodiment of this application when the bottle cap is normally installed;

[0022] Figure 3 This is a schematic diagram of the structure of the bottle cap lifting detection device according to the first embodiment of this application when the bottle cap is lifted.

[0023] Figure 4 This is a structural block diagram of the cover-lifting detection device according to the first embodiment of this application;

[0024] Figure 5 This is a flowchart of the cover-lifting detection method according to the second embodiment of this application.

[0025] Explanation of reference numerals in the attached figures:

[0026] Conveying mechanism 100; PET bottle 110; neck 120; bottle cap 130; mounting bracket 210; gantry bayonet channel 220; fixed base 230; ramp 240; slide rail 250; slider 260; return spring 270; guide rod 280; connecting plate 290; detection mechanism 300; adjusting bolt 310; contact plate 320; sensor 330; rotating shaft 340; controller 410; alarm 420; time relay 430. Detailed Implementation

[0027] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0028] In the description of this application, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0029] In the description of this application, "several" means one or more, "more than" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" and "second" are mentioned, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the order of the indicated technical features.

[0030] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation, connection, and linkage" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0031] Reference Figures 1 to 4 This application provides a cap-lifting detection device, including: a conveying mechanism 100 for conveying PET bottles 110; an adaptive adjustment mechanism including a mounting frame 210 and a gantry channel 220, the mounting frame 210 being disposed on one side of the conveying mechanism 100, the gantry channel 220 being provided with a fixed seat 230, the fixed seat 230 being raised and lowered on the mounting frame 210, the gantry channel 220 being located above the conveying mechanism 100, the feed end of the gantry channel 220 being provided with a ramp 240, the neck 120 of the PET bottle 110 entering the gantry channel 220 along the ramp 240; a detection mechanism 300 for detecting cap lift-lifting of the PET bottle 110 and outputting a sensing signal; and a control mechanism including a controller 410 and an alarm 420, the controller 410 being connected to the detection mechanism 300 and the conveying mechanism 100 respectively, and the alarm 420 being connected to the controller 410.

[0032] During testing, the PET bottle 110 is conveyed by the conveying mechanism 100, and the PET bottle 110 is moved along the ramp 240 into the gantry gate channel 220. Under the weight of the PET bottle 110, the gantry gate channel 220 descends along the mounting frame 210, which in turn drives the testing mechanism 300 to descend. At this time, the contact surface between the gantry gate channel 220 and the bottle neck 120 serves as the reference surface for height detection. The PET bottle 110 continues to move forward along the gantry gate channel 220. When the bottle cap 130 is properly installed, the testing mechanism 300 is not triggered, and the alarm 420 does not work. When the bottle cap 130 is dislodged, the testing mechanism 300 is triggered and outputs a sensing signal, and the alarm 420 sounds an alarm to alert the staff. Since the height difference of PET bottles 110 comes from the bottle body, and the part above the neck 120 hardly produces a height difference, this application raises and lowers the gantry gate channel 220 on the mounting frame 210 so that the gantry gate channel 220 can be adaptively adjusted under the gravity of the PET bottles 110. At this time, the contact surface between the gantry gate channel 220 and the neck 120 is used as the reference surface for height detection, thereby adapting to the height difference of PET bottles 110 caused by hot filling, improving the accuracy of detection, and thus ensuring product quality.

[0033] Reference Figures 1 to 3 Furthermore, the mounting frame 210 is equipped with a slide rail 250, and the fixing seat 230 is equipped with a slider 260, with the slide rail 250 and slider 260 engaging. After the neck 120 of the PET bottle 110 enters the gantry channel 220 along the ramp 240, under the gravity of the PET bottle 110, the fixing seat 230 drives the gantry channel 220 to descend along the slide rail 250. At this time, the contact surface between the gantry channel 220 and the neck 120 serves as a reference surface for height detection, thereby accommodating PET bottles 110 of different heights, improving detection accuracy, and ensuring product quality. It is conceivable that a return spring 270 is provided at the top of the mounting frame 210, with the other end of the return spring 270 connected to the fixing seat 230. When the PET bottle 110 leaves the gantry channel 220, the gantry channel 220 can rise along the slide rail 250 under the action of the return spring 270 to await the next round of detection, improving detection accuracy. It is easy to understand that the fixed base 230 is provided with a guide rod 280, which slides through the mounting bracket 210, and the return spring 270 is sleeved on the guide rod 280. By setting the guide rod 280, the return spring 270 can be guided to a certain extent, preventing the return spring 270 from deviating and improving the accuracy of the detection.

[0034] In this embodiment, a connecting plate 290 is movably mounted on the fixed base 230, and the detection mechanism 300 is mounted on the connecting plate 290. Since the neck 120 heights of PET bottles 110 vary depending on their specifications, this application adjusts the height of the detection mechanism 300 by moving the connecting plate 290 up and down along the fixed base 230, thus expanding its applicability. Specifically, the fixed base 230 is equipped with an adjusting bolt 310, and the connecting plate 290 is connected to the adjusting bolt 310. By turning the adjusting bolt 310, the connecting plate 290 can be moved up and down, thereby adjusting the height of the detection mechanism 300. The structure is simple and the operation is convenient.

[0035] Reference Figures 1 to 3 The detection mechanism 300 includes a contact plate 320 and a sensor 330. The contact plate 320 is movably mounted on the connecting plate 290, and the sensor 330 is located on one side of the contact plate 320. The sensor 330 is used to sense the swing of the contact plate 320 and output a sensing signal. When the bottle cap 130 is properly installed, the contact plate 320 does not contact the bottle cap 130, the contact plate 320 does not swing, the sensor 330 is not triggered, and the alarm 420 does not work. When the bottle cap 130 is pried open, the contact plate 320 contacts the bottle cap 130, the contact plate 320 swings, the sensor 330 is triggered and outputs a sensing signal, and the alarm 420 sounds an alarm. By using the above method for cap prying detection, the accuracy of detection can be improved and product quality can be guaranteed. The sensor 330 is set as a through-beam fiber optic sensor 330. Of course, the sensor 330 can also be a small-axis through-beam photoelectric sensor, diffuse photoelectric sensor, etc., and this application does not limit this.

[0036] In this embodiment, the connecting plate 290 is provided with a rotating shaft 340, and the contact plate 320 is rotatably connected to the rotating shaft 340, allowing the contact plate 320 to swing around the rotating shaft 340. When the bottle cap 130 is lifted off the ground, the top of the bottle cap 130 contacts the contact plate 320, causing the contact plate 320 to swing around the rotating shaft 340, thereby triggering the sensor 330. The sensor 330 then outputs a sensing signal to the conveying mechanism 100 and the alarm 420, causing the alarm 420 to sound an alarm.

[0037] Reference Figure 4In some embodiments, the control mechanism further includes a time relay 430, which is connected to the controller 410. Specifically, when the sensor 330 detects a cap lift-off, it outputs a sensing signal. At this time, the alarm 420 starts working to issue an alarm, and simultaneously, the time relay 430 starts timing. When the time relay 430 reaches the set time, it automatically resets, and the alarm 420 stops working, awaiting the next round of detection. It should be noted that the set time of the time relay 430 must be less than the time it takes for the next PET bottle 110 to arrive at the detection mechanism 300, thereby ensuring the stability and safety of subsequent detections. Furthermore, it eliminates the need for manual reset by the operator, providing an alarm notification while reducing the operator's workload and improving work efficiency.

[0038] Reference Figure 5 The second aspect of this application provides a method for detecting a flipped lid, applied to the flipped lid detection device described in the first aspect of this application. The flipped lid detection method includes, but is not limited to, steps S110, S120, and S130.

[0039] Step S110: The PET bottle 110 is conveyed by the conveying mechanism 100, so that the neck 120 of the PET bottle 110 enters the gantry gate channel 220 along the ramp 240.

[0040] Specifically, the conveying mechanism 100 transports the PET bottles 110 to the feed end of the gantry gate channel 220. At this point, the neck 120 of the PET bottles 110 enters the gantry gate channel 220 along the ramp 240 to facilitate subsequent cap removal detection of the PET bottles 110. By setting the ramp 240 to facilitate the entry of the neck 120 of the PET bottles 110 into the gantry gate channel 220, the structure is simple and the operation is convenient.

[0041] Step S120: The gantry gate channel 220 descends along the mounting frame 210 under the gravity of the PET bottle 110, so that the contact surface between the gantry gate channel 220 and the bottle neck 120 is used as the reference surface for height detection.

[0042] By adopting the above structure, the height of the gantry bayonet channel 220 can be adaptively adjusted. At this time, the contact surface between the gantry bayonet channel 220 and the neck 120 is used as the reference surface for height detection, which can be applied to PET bottles 110 with height differences caused by hot filling, improve the accuracy of detection, and thus ensure product quality.

[0043] Step S130: Obtain the sensing signal from the detection mechanism 300 to trigger the alarm 420 to sound an alarm.

[0044] Specifically, when the bottle cap 130 is properly installed, the contact plate 320 does not swing, the sensor 330 is not triggered, and the alarm 420 does not work. When the bottle cap 130 is pried open, the contact plate 320 swings, the sensor 330 is triggered and outputs a sensing signal, and the alarm 420 sounds an alarm. By using the above method for cap prying detection, the accuracy of the detection can be improved, and product quality can be guaranteed.

[0045] During testing, the PET bottle 110 is conveyed by the conveying mechanism 100, and the PET bottle 110 is moved along the ramp 240 into the gantry gate channel 220. Under the weight of the PET bottle 110, the gantry gate channel 220 descends along the mounting frame 210, which in turn drives the testing mechanism 300 to descend. At this time, the contact surface between the gantry gate channel 220 and the bottle neck 120 serves as the reference surface for height detection. The PET bottle 110 continues to move forward along the gantry gate channel 220. When the bottle cap 130 is properly installed, the testing mechanism 300 is not triggered, and the alarm 420 does not work. When the bottle cap 130 is dislodged, the testing mechanism 300 is triggered and outputs a sensing signal, and the alarm 420 sounds an alarm to alert the staff. Since the height difference of PET bottles 110 comes from the bottle body, and the part above the neck 120 hardly produces a height difference, this application raises and lowers the gantry gate channel 220 on the mounting frame 210 so that the gantry gate channel 220 can be adaptively adjusted under the gravity of the PET bottles 110. At this time, the contact surface between the gantry gate channel 220 and the neck 120 is used as the reference surface for height detection, thereby adapting to the height difference of PET bottles 110 caused by hot filling, improving the accuracy of detection, and thus ensuring product quality.

[0046] In the description of this application, the references to terms such as "an embodiment," "some embodiments," "illustrative embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this application, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0047] The terms "first," "second," "third," "fourth," etc. (if applicable) in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments described herein can be implemented in a sequence other than that illustrated or described herein.

[0048] It should also be noted that, in the description of this application, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations.

[0049] Furthermore, the terms “comprising” and “having”, and any variations thereof, are intended to cover non-exclusive inclusion, such that a process, method, system, product, or apparatus that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may also include other steps or units that are not explicitly listed or that are inherent to such processes, methods, products, or apparatus.

[0050] Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0051] The embodiments of this application have been described in detail above with reference to the accompanying drawings. However, this application is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of this application.

Claims

1. A lid-lifting detection device, characterized in that, include: A conveying mechanism for transporting hot-filled PET bottles; An adaptive adjustment mechanism includes a mounting frame and a gantry gate channel. The mounting frame is disposed on one side of the conveying mechanism. The gantry gate channel is provided with a fixed seat, which is elliptical and disposed on the mounting frame. The gantry gate channel is located above the conveying mechanism. The feed end of the gantry gate channel is provided with a ramp, and the neck of the PET bottle enters the gantry gate channel along the ramp. The mounting frame is provided with a slide rail, and the fixed seat is provided with a slider. The slide rail and the slider are connected in cooperation. The top of the mounting frame is provided with a return spring, and the other end of the return spring is connected to the fixed seat. The detection mechanism is used to detect the cap lifting of the PET bottle and output a sensing signal. The detection mechanism includes a contact plate and a sensor. The contact plate is movably mounted on the fixed base, and the sensor is mounted on one side of the contact plate. The sensor is used to sense the swing of the contact plate and output a sensing signal. The control mechanism includes a controller and an alarm. The controller is connected to the detection mechanism and the conveying mechanism respectively, and the alarm is connected to the controller.

2. The cover-lifting detection device according to claim 1, characterized in that, The fixed base is provided with a guide rod, which slides through the mounting frame, and the return spring is sleeved on the guide rod.

3. The cover-lifting detection device according to claim 1, characterized in that, The fixed base is equipped with a connecting plate for lifting, and the detection mechanism is located on the connecting plate.

4. The cover-lifting detection device according to claim 3, characterized in that, The connecting plate is provided with a rotating shaft, and the contact plate is rotatably connected to the rotating shaft, allowing the contact plate to swing around the rotating shaft.

5. The cover-lifting detection device according to claim 3, characterized in that, The fixed base is provided with an adjusting bolt, and the connecting plate is connected to the adjusting bolt.

6. The cover-lifting detection device according to claim 1, characterized in that, The control mechanism also includes a time relay, which is connected to the controller.

7. A method for detecting a tilted lid, characterized in that, The lid-lifting detection device according to any one of claims 1 to 6, wherein the lid-lifting detection method comprises: The conveying mechanism transports the hot-filled PET bottles, causing the bottle necks to enter the gantry channel along the ramp. The gantry bayonet channel descends along the mounting frame under the gravity of the PET bottle, so that the contact surface between the gantry bayonet channel and the bottle neck serves as a reference surface for height detection. The sensor signal from the detection mechanism is acquired, causing the alarm to sound.

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