A method, apparatus and system for rejecting defective cigarette packets

Abstract

The embodiment of the present application discloses a kind of defect cigarette packet rejection methods, device and system.The rejection method includes: obtaining cigarette rod encoder signal and cigarette packet encoder signal;According to cigarette rod encoder signal and cigarette packet encoder signal, generate target shift signal;According to cigarette packet encoder signal and target shift signal, determine the real-time position of the cigarette packet with the defect of preset mark, to reject defective cigarette packet.The rejection method, device and system of defective cigarette packet provided by the embodiment of the present application can guarantee the reliability of rejection.

Description

TECHNICAL FIELD

[0001] Embodiments of the present application relate to cigarette packet processing technology, and in particular to a method, device and system for removing defective cigarette packets. BACKGROUND

[0002] In the processing and packaging process of cigarette packets, defective cigarette packets can be produced due to problems in the process itself. If a defective cigarette packet is detected during the packaging process, the cigarette packet needs to be removed and re-packaged to solve the defect problem.

[0003] Currently, existing methods for removing defective cigarette packets usually require the removal of a large number of cigarette packets to remove defective cigarette packets, which increases the number of removed cigarette packets and can cause work efficiency and material loss, thereby affecting the reliability of the removal. SUMMARY

[0004] Embodiments of the present application provide a method, device and system for removing defective cigarette packets to ensure the reliability of the removal.

[0005] In a first aspect, embodiments of the present application provide a method for removing defective cigarette packets, comprising:

[0006] obtaining a cigarette rod encoder signal and a cigarette packet encoder signal;

[0007] generating a target shift signal according to the cigarette rod encoder signal and the cigarette packet encoder signal;

[0008] determining a real-time position of a cigarette packet with a preset defect marker according to the cigarette packet encoder signal and the target shift signal, to remove the defective cigarette packet.

[0009] Optionally, the cigarette rod encoder signal, the cigarette packet encoder signal and the target shift signal are all pulse signals.

[0010] The target shift signal is generated according to the cigarette rod encoder signal and the cigarette packet encoder signal, comprising:

[0011] When a rising edge of the cigarette rod encoder signal is read, if the cigarette packet encoder signal is at a low level, a pulse signal is generated at a multiple of the second rising edge of the cigarette packet encoder signal.

[0012] The generated pulse signal is used as the target shift signal.

[0013] Optionally, after the pulse signal is generated, the method further comprises:

[0014] If the number of generated pulse signals is greater than a preset threshold within one cycle of the cigarette rod encoder signal, the generation of the pulse signal is stopped.

[0015] Optionally, the period of the cigarette rod encoder signal is ten times the period of the cigarette packet encoder signal, the period of the target shift signal is twice the period of the cigarette packet encoder signal, and the preset threshold is five.

[0016] Optionally, determining the real-time position of the preset defective cigarette packet according to the cigarette packet encoder signal and the target shift signal comprises:

[0017] determining the real-time position of the preset defective cigarette packet according to the cigarette packet encoder signal;

[0018] when the defective cigarette packet moves to a position stacked with other cigarette packets, determining the real-time position of the defective cigarette packet according to the target shift signal;

[0019] controlling the processing equipment to reject the defective cigarette packet when the defective cigarette packet moves to the preset target position according to the real-time position of the defective cigarette packet.

[0020] Optionally, determining the real-time position of the defective cigarette packet according to the target shift signal comprises:

[0021] when a rising edge of a pulse of the target shift signal appears, shifting the value in the shift register corresponding to the defective cigarette packet;

[0022] determining the current station of the defective cigarette packet according to the value of the shift register.

[0023] In a second aspect, an embodiment of the present application provides a defective cigarette packet rejection device, comprising:

[0024] a signal acquisition module, configured to acquire a cigarette rod encoder signal and a cigarette packet encoder signal;

[0025] a signal determination module, configured to generate a target shift signal according to the cigarette rod encoder signal and the cigarette packet encoder signal;

[0026] a position determination module, configured to determine a real-time position of a preset defective cigarette packet according to the cigarette packet encoder signal and the target shift signal, so as to reject the defective cigarette packet.

[0027] Optionally, the cigarette rod encoder signal, the cigarette packet encoder signal and the target shift signal are all pulse signals.

[0028] the signal determination module comprises:

[0029] a signal generation unit, configured to, when a rising edge of the cigarette rod encoder signal is read, if the cigarette packet encoder signal is at a low level, generate a pulse signal when a multiple of a second rising edge of the cigarette packet encoder signal appears;

[0030] a signal determination unit, configured to take the generated pulse signal as the target shift signal.

[0031] In a third aspect, the embodiments of the present application provide a defective cigarette packet removing system, comprising a processing device and a controller, the processing device being electrically connected with the controller, and the removing device as described in the second aspect being integrated in the controller.

[0032] Optionally, the processing device comprises a rotating tower, and the defective cigarette packet is removed at a position of the rotating tower.

[0033] The defective cigarette packet removing method, device and system provided by the embodiments of the present application can obtain a cigarette rod encoder signal and a cigarette packet encoder signal, generate a target shift signal according to the cigarette rod encoder signal and the cigarette packet encoder signal, and determine a real-time position of a defective cigarette packet marked in advance according to the cigarette packet encoder signal and the target shift signal, so as to remove the defective cigarette packet. The defective cigarette packet removing method, device and system provided by the embodiments of the present application can determine the real-time position of the defective cigarette packet according to the cigarette packet encoder signal and the target shift signal, generate a pulse of the target shift signal every two movements of the defective cigarette packet at a position of two-by-two stacked arrangement, and determine the real-time position of the defective cigarette packet, so as to remove the defective cigarette packet at a preset target position, thereby ensuring the reliability of removal. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 FIG. 1 is a flowchart of a defective cigarette packet removing method provided by an embodiment of the present application;

[0035] Figure 2 FIG. 2 is a schematic diagram of a defective cigarette packet removing system provided by the embodiment of the present application;

[0036] Figure 3 FIG. 3 is a schematic diagram of a pulse signal provided by the embodiment of the present application;

[0037] Figure 4 FIG. 4 is a schematic diagram of a cigarette packet position provided by the embodiment of the present application;

[0038] Figure 5 FIG. 5 is a flowchart of a defective cigarette packet removing method provided by an embodiment of the present application;

[0039] Figure 6 FIG. 6 is a flowchart of a detailed process of step 220;

[0040] Figure 7 FIG. 7 is a structural block diagram of a defective cigarette packet removing device provided by an embodiment of the present application. DETAILED DESCRIPTION

[0041] The application will be described in further detail below with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. In addition, it should be noted that only the parts related to the present application are shown in the drawings for the convenience of description.

[0042] Embodiment one

[0043] Figure 1 is a flow chart of a defective cigarette packet rejection method provided by the embodiment one of the present application. The embodiment can be applicable to the rejection of defective cigarette packets and the like. The method can be executed by a defective cigarette packet rejection device. The device can be implemented in the form of software and / or hardware. The device can be integrated in a controller of a defective cigarette packet rejection system. The method specifically includes the following steps:

[0044] In step 110, a cigarette rod encoder signal and a cigarette packet encoder signal are acquired.

[0045] Exemplarily, Figure 2 is a schematic diagram of a defective cigarette packet rejection system provided by the embodiment one of the present application. Referring to Figure 2 , the defective cigarette packet rejection system includes a processing device and a controller (not shown). The processing device includes a cigarette packet packaging machine and a carton packaging machine. The cigarette packet packaging machine and the carton packaging machine are each installed with an encoder. The processing device further includes a winding drum 10, a pressing device 20, an inlet packet pusher 30, a belt push block 40 (for pushing a cigarette packet 50), a packaging forming wheel 60, a hopper 70, and an output disc 80. The cigarette packet encoder signal can be a signal of the encoder of the cigarette packet packaging machine. The cigarette packet packaging machine completes a packaging process of a cigarette packet, corresponding to one rotation of the encoder. The cigarette rod encoder signal can be a signal of the encoder of the carton packaging machine. The carton packaging machine completes a packaging process of a cigarette rod (ten cigarette packets), corresponding to one rotation of the encoder. In the packaging process, the cigarette packet packaging machine wraps the cigarette packet with transparent paper and a pull belt. The cigarette packet completed with the process is transported to the carton packaging machine for a carton packaging process. Before the carton packaging process, the cigarette packet needs to be stacked into a pile with two packets of cigarette packets wrapped with transparent paper, and then the pile of cigarette packets is transported to the carton packaging machine by a rotating tower of the processing device. The rejection device can be electrically connected with the encoders to acquire the cigarette rod encoder signal and the cigarette packet encoder signal.

[0046] In step 120, a target shift signal is generated according to the cigarette rod encoder signal and the cigarette packet encoder signal.

[0047] Specifically, the cigarette bundle encoder signal and the cigarette packet encoder signal are pulse signals, if a cigarette bundle has ten cigarette packets, then in a pulse period of the cigarette bundle encoder signal, there are ten pulses of the cigarette packet encoder signal. Since the cigarette packets need to be stacked in two to form a pile for bundle packaging, then in a pulse period of the cigarette bundle encoder signal, five pulses of the target shift signal are generated.

[0048] Exemplarily, Figure 3 is a schematic diagram of a pulse signal provided by the embodiment one of the present application. Referring to Figure 3 , a pulse period of the cigarette bundle encoder signal corresponds to ten pulse periods of the cigarette packet encoder signal, and five pulse periods of the target shift signal are generated.

[0049] Step 130, determining the real-time position of the preset defective cigarette packet according to the cigarette packet encoder signal and the target shift signal, to reject the defective cigarette packet.

[0050] Exemplarily, Figure 4 is a schematic diagram of a cigarette packet position provided by the embodiment one of the present application. Referring to Figure 2 , Figure 3 and Figure 4 , the defective cigarette packet (shown by a dashed line in Figure 4 ) is rejected at the position X of the rotating tower in Figure 2 . When the cigarette packet moves, the defective cigarette packet generates a pulse of the cigarette packet encoder signal every time it moves, and the corresponding position 1 of the shift register (0 and 1 in the figure are the values of the bits of the corresponding shift register), to determine the real-time position of the defective cigarette packet. When the defective cigarette packet moves to the position of the two-by-two stacked arrangement, the defective cigarette packet generates a pulse of the target shift signal every time it moves twice, and the corresponding position 1 of the shift register, to determine the real-time position of the defective cigarette packet, and when the defective cigarette packet moves to the preset target position, the processing equipment is controlled to reject the defective cigarette packet.

[0051] The rejection method of the defective cigarette packet provided by the embodiment, by acquiring the cigarette bundle encoder signal and the cigarette packet encoder signal; generating the target shift signal according to the cigarette bundle encoder signal and the cigarette packet encoder signal; determining the real-time position of the preset defective cigarette packet according to the cigarette packet encoder signal and the target shift signal, to reject the defective cigarette packet. The rejection method of the defective cigarette packet provided by the embodiment, by determining the real-time position of the preset defective cigarette packet according to the cigarette packet encoder signal and the target shift signal, the defective cigarette packet generates a pulse of the target shift signal every time it moves twice at the position of the two-by-two stacked arrangement, to determine the real-time position of the defective cigarette packet, to reject the defective cigarette packet at the preset target position, to ensure the reliability of the rejection.

[0052] Embodiment two

[0053] Figure 5 is a flow chart of a method for removing defective cigarette packets according to an embodiment of the present application. The embodiment can be applied to removing defective cigarette packets and the like. The method can be executed by a defective cigarette packet removing device. The device can be implemented in the form of software and / or hardware. The device can be integrated in a controller of a defective cigarette packet removing system. The method specifically includes the following steps:

[0054] In step 210, a cigarette rod encoder signal and a cigarette packet encoder signal are acquired.

[0055] Specifically, referring to Figure 2 , the defective cigarette packet removing system includes processing equipment and a controller (not shown). The processing equipment includes a cigarette packet packaging machine and a rod box packaging machine. The cigarette packet packaging machine and the rod box packaging machine are each installed with an encoder. The cigarette packet encoder signal can be the signal of the encoder of the cigarette packet packaging machine. The cigarette packet packaging machine completes a packaging process of a cigarette packet, corresponding to one rotation of the encoder. The cigarette rod encoder signal can be the signal of the encoder of the rod box packaging machine. The rod box packaging machine completes a packaging process of a rod of cigarettes (ten cigarette packets), corresponding to one rotation of the encoder. During the packaging process, the cigarette packet packaging machine wraps the cigarette packet with transparent paper and a pull belt. The cigarette packet that has completed the process is conveyed to the rod box packaging machine in a packet. Before the rod box packaging process, the cigarette packet needs to be stacked into a pile with two packets of cigarette packets wrapped with transparent paper, and then the pile of cigarette packets is conveyed to the rod box packaging machine by a rotating tower of the processing equipment. The defective cigarette packet removing device can be electrically connected with each encoder to acquire the cigarette rod encoder signal and the cigarette packet encoder signal.

[0056] In step 220, when a rising edge of the cigarette rod encoder signal is read, if the cigarette packet encoder signal is at a low level, a pulse signal is generated when a multiple of a second rising edge of the cigarette packet encoder signal occurs.

[0057] Specifically, referring to Figure 3 , when a rising edge of the cigarette rod encoder signal is read, if the cigarette packet encoder signal is at a low level (high level), a pulse signal is generated when a multiple of a second rising edge (falling edge) of the cigarette packet encoder signal occurs. The cigarette rod encoder signal, the cigarette packet encoder signal, and the target shift signal are all pulse signals. The period of the cigarette rod encoder signal is ten times the period of the cigarette packet encoder signal. The period of the target shift signal is twice the period of the cigarette packet encoder signal. Furthermore, if the number of generated pulse signals is greater than a preset threshold, such as five, within one period of the cigarette rod encoder signal, the generation of the pulse signal is stopped to prevent counting errors. Figure 6 is a flow chart detailing step 220. Referring to Figure 6 , step 220 specifically includes the following steps:

[0058] Step one, obtaining signal 1 and signal 2. Wherein, signal 1 is the cigarette rod encoder signal, and signal 2 is the cigarette packet encoder signal.

[0059] Step two, judging whether signal 1 is rising edge; if yes, executing step three; if no, continuing step two.

[0060] Step three, controlling counter 1 and counter 2 to reset. Wherein, counter 1 is the counter corresponding to signal 2.

[0061] Step four, judging whether signal 2 is low level; if yes, executing step five; if no, executing step six. Specifically, the level of signal 2 can be judged at the time corresponding to the rising edge of signal 1.

[0062] Step five, rising edge counting. After the completion of this step, step seven is executed. Specifically, starting from the time corresponding to the rising edge of signal 1, counter 1 is increased by 1 every time the rising edge of signal 2 appears.

[0063] Step six, falling edge counting. Specifically, starting from the time corresponding to the rising edge of signal 1, the falling edge of signal 2 is counted, and counter 1 is increased by 1 every time the falling edge of signal 2 appears.

[0064] Step seven, when the value of counter 1 is 2, outputting signal 3, and controlling counter 1 to reset and counter 2 to increase by 1. Wherein, counter 2 is the counter corresponding to signal 3, and signal 3 is the target shift signal.

[0065] Step eight, judging whether signal 1 is rising edge; if yes, returning to step three; if no, executing step nine.

[0066] Step nine, judging whether the value of signal 2 is greater than 5; if yes, executing step ten; if no, returning to step five or six. Specifically, if step five is executed in the above execution process, returning to step five.

[0067] Step ten, stopping generating pulse signal.

[0068] Step 230, taking the generated pulse signal as target shift signal.

[0069] Step 240, determining the real-time position of the cigarette packet with defective preset mark according to the cigarette packet encoder signal.

[0070] Specifically, referring to Figure 2 、 Figure 3 and Figure 4, take 4 bits in a register as an example. After the defective cigarette packet is detected to be defective, it starts to mark at a preset initial position, that is, starts to generate a pulse of a cigarette packet encoder signal, and the position 1 of the corresponding shift register. In this way, each time the defective cigarette packet moves on the processing equipment, a pulse signal is generated, and the position 1 of the corresponding shift register is determined, so that the real-time position of the defective cigarette packet is determined.

[0071] Step 250: When the defective cigarette packet moves to a position stacked with other cigarette packets, the real-time position of the defective cigarette packet is determined according to the target shift signal.

[0072] Specifically, when a rising edge of the pulse of the target shift signal appears, the value in the corresponding shift register of the defective cigarette packet is shifted; and the current station of the defective cigarette packet is determined according to the value of the shift register. The single cigarette packet shift corresponds to one shift register (8 bits, 16 bits, 32 bits or 64 bits are selected according to the number of cigarette packets, Figure 4 and 4 bits are taken as an example in the embodiment), and the double cigarette packet shift corresponds to another shift register. In this way, the station of the actual cigarette packet, that is, the real-time position, and the bit of the shift register one-to-one correspond.

[0073] Step 260: According to the real-time position of the defective cigarette packet, when the defective cigarette packet moves to a preset target position, the processing equipment is controlled to remove the defective cigarette packet.

[0074] Exemplarily, the preset target position is the fourth station after the defective cigarette packet starts to be stacked, Figure 4 and the value of the register bit corresponding to the station of the defective cigarette packet is 1. When the defective cigarette packet will enter the stacking station, since the stacking station is two cigarette packets moving one station, the defective cigarette packet can move to the lower layer or the upper layer of the stacking station. At this time, according to the target shift signal, the position 1 of the shift register corresponding to the double cigarette packet shift is determined, whether the defective cigarette packet is in the lower layer or the upper layer. After the defective cigarette packet passes through the pulses of three target shift signals, the defective cigarette packet reaches the preset target position, and the processing equipment is controlled to remove the defective cigarette packet.

[0075] The defective cigarette packet removal method provided in the embodiment can determine the real-time position of the defective cigarette packet marked according to the cigarette packet encoder signal and the target shift signal. Each time the defective cigarette packet moves twice at a position stacked two by two, a pulse of the target shift signal is generated, so that the real-time position of the defective cigarette packet is determined, and the defective cigarette packet is removed at a preset target position, which can ensure the reliability of removal.

[0076] Embodiment Three

[0077] Figure 7is a structural block diagram of a defective cigarette packet removing device provided by embodiment three of the present application. The defective cigarette packet removing device comprises a signal acquisition module 310, a signal determination module 320 and a position determination module 330. The signal acquisition module 310 is configured to acquire a cigarette rod encoder signal and a cigarette packet encoder signal; the signal determination module 320 is configured to generate a target shift signal according to the cigarette rod encoder signal and the cigarette packet encoder signal; and the position determination module 330 is configured to determine a real-time position of a defective cigarette packet marked with a preset mark according to the cigarette packet encoder signal and the target shift signal, so as to remove the defective cigarette packet.

[0078] Optionally, the cigarette rod encoder signal, the cigarette packet encoder signal and the target shift signal are all pulse signals; the signal determination module 320 comprises a signal generation unit and a signal determination unit. The signal generation unit is configured to, when a rising edge of the cigarette rod encoder signal is read, generate a pulse signal at a multiple of a second rising edge of the cigarette packet encoder signal if the cigarette packet encoder signal is at a low level.

[0079] Preferably, after generating the pulse signal, the signal generation unit is further configured to, within one period of the cigarette rod encoder signal, stop generating the pulse signal if a number of the generated pulse signals is greater than a preset threshold.

[0080] Optionally, the position determination module 330 comprises a first position determination unit, a second position determination unit and a removal control unit. The first position determination unit is configured to determine the real-time position of the defective cigarette packet marked with the preset mark according to the cigarette packet encoder signal; the second position determination unit is configured to determine the real-time position of the defective cigarette packet according to the target shift signal when the defective cigarette packet moves to a position stacked with other cigarette packets; and the removal control unit is configured to control a processing device to remove the defective cigarette packet when the defective cigarette packet moves to a preset target position according to the real-time position of the defective cigarette packet.

[0081] Preferably, the second position determination unit comprises a shift sub-unit and a station determination sub-unit. The shift sub-unit is configured to shift a value in a shift register corresponding to the defective cigarette packet when a pulse of the target shift signal appears a rising edge; and the station determination sub-unit is configured to determine a current station of the defective cigarette packet according to the value in the shift register.

[0082] The defective cigarette packet removing device provided by the embodiment belongs to the same inventive concept as the defective cigarette packet removing method provided by any of the embodiments of the present application, has the corresponding beneficial effects, and details of the technical details of the defective cigarette packet removing device provided by the embodiment can be found in the defective cigarette packet removing method provided by any of the embodiments of the present application.

[0083] Note that the above merely describes preferred embodiments of the present application and the principles of the technology applied. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, and that various obvious changes, modifications, combinations and substitutions can be made by those skilled in the art without departing from the scope of the present application. Therefore, although the present application has been described in detail through the above embodiments, the present application is not limited to the above embodiments, and can include more other equivalent embodiments without departing from the concept of the present application, and the scope of the present application is determined by the scope of the claims.

Claims

1. A method of rejecting defective cigarette packets, characterized by, The method comprises the following steps: acquiring a tobacco rod encoder signal and a tobacco packet encoder signal; generating a target shift signal according to the tobacco rod encoder signal and the tobacco packet encoder signal; determining a real-time position of a preset defective tobacco packet according to the tobacco packet encoder signal and the target shift signal, so as to reject the defective tobacco packet; the tobacco rod encoder signal, the tobacco packet encoder signal and the target shift signal are all pulse signals; the step of generating a target shift signal according to the tobacco rod encoder signal and the tobacco packet encoder signal comprises the following steps: when a rising edge of the tobacco rod encoder signal is read, if the tobacco packet encoder signal is at a low level, a pulse signal is generated at a multiple of a second rising edge of the tobacco packet encoder signal; the generated pulse signal is taken as the target shift signal.

2. The culling method of claim 1, wherein, after the step of generating a pulse signal, the method comprises the following steps: if the number of the generated pulse signals is greater than a preset threshold value within a period of the tobacco rod encoder signal, the generation of the pulse signal is stopped.

3. The culling method of claim 2, wherein, the period of the tobacco rod encoder signal is ten times the period of the tobacco packet encoder signal, the period of the target shift signal is twice the period of the tobacco packet encoder signal, and the preset threshold value is five.

4. The culling method of claim 1, wherein, the step of determining a real-time position of a preset defective tobacco packet according to the tobacco packet encoder signal and the target shift signal comprises the following steps: determining a real-time position of a preset defective tobacco packet according to the tobacco packet encoder signal; when the defective tobacco packet moves to a position stacked with other tobacco packets, determining a real-time position of the defective tobacco packet according to the target shift signal; according to the real-time position of the defective tobacco packet, determining the defective tobacco packet to move to a preset target position, and controlling a processing device to reject the defective tobacco packet.

5. The culling method of claim 4, wherein, the step of determining a real-time position of the defective tobacco packet according to the target shift signal comprises the following steps: when a rising edge of a pulse of the target shift signal appears, shifting a value in a shift register corresponding to the defective tobacco packet; determining a current station of the defective tobacco packet according to the value of the shift register.

6. A defective cigarette packet removing apparatus characterized by comprising: The method comprises the following steps: a signal acquisition module is configured to acquire a tobacco rod encoder signal and a tobacco packet encoder signal; a signal determination module is configured to generate a target shift signal according to the tobacco rod encoder signal and the tobacco packet encoder signal; a position determination module is configured to determine a real-time position of a preset defective tobacco packet according to the tobacco packet encoder signal and the target shift signal, so as to reject the defective tobacco packet; the tobacco rod encoder signal, the tobacco packet encoder signal and the target shift signal are all pulse signals; the signal determination module comprises the following steps: a signal generation unit is configured to, when a rising edge of the tobacco rod encoder signal is read, generate a pulse signal at a multiple of a second rising edge of the tobacco packet encoder signal if the tobacco packet encoder signal is at a low level; a signal determination unit is configured to take the generated pulse signal as the target shift signal.

7. The culling device of claim 6, wherein, the tobacco rod encoder signal, the tobacco packet encoder signal and the target shift signal are all pulse signals; the signal determination module comprises the following steps: a signal generating unit, configured to generate a pulse signal when a rising edge of the tobacco stick encoder signal is read, if the tobacco packet encoder signal is at a low level, and at the time when a multiple of a second rising edge of the tobacco packet encoder signal occurs; a signal determining unit, configured to take the generated pulse signal as the target shift signal.

8. A system for rejecting defective cartons, characterized in that, The application also provides a processing device and a controller, wherein the processing device is electrically connected with the controller, and the removal device according to any one of claims 6-7 is integrated in the controller.

9. The culling system of claim 8, wherein, The processing device comprises a rotating tower, and the defective tobacco packet is removed at a position of the rotating tower.

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