CN109929975B - Blocking material monitoring and removing system and blocking material monitoring and removing method - Google Patents
Blocking material monitoring and removing system and blocking material monitoring and removing method Download PDFInfo
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- CN109929975B CN109929975B CN201711365874.7A CN201711365874A CN109929975B CN 109929975 B CN109929975 B CN 109929975B CN 201711365874 A CN201711365874 A CN 201711365874A CN 109929975 B CN109929975 B CN 109929975B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 83
- 239000000463 material Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 41
- 230000000903 blocking effect Effects 0.000 title abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 58
- 238000010438 heat treatment Methods 0.000 claims abstract description 55
- 238000001514 detection method Methods 0.000 claims abstract description 44
- 238000012806 monitoring device Methods 0.000 claims abstract description 30
- 230000009471 action Effects 0.000 claims abstract description 12
- 239000003973 paint Substances 0.000 claims description 31
- 230000001681 protective effect Effects 0.000 claims description 12
- 238000013459 approach Methods 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 230000008030 elimination Effects 0.000 claims 3
- 238000003379 elimination reaction Methods 0.000 claims 3
- 238000005507 spraying Methods 0.000 description 22
- 238000012546 transfer Methods 0.000 description 10
- 238000002955 isolation Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000013021 overheating Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention discloses a blocking material monitoring and removing system and a blocking material monitoring and removing method. The putty monitoring and rejecting system comprises: the device comprises a transmission device, a monitoring device, a heating device and a control device. The conveying device is used for conveying a plurality of workpieces to be processed. The monitoring device comprises a follower wheel and a detection sensor. The detection sensor is used for monitoring the rotation condition of the follower wheel, and the control device controls the action of the heating device according to the signal of the detection sensor. The method for monitoring and removing the blocking material utilizes a blocking material monitoring and removing system, and comprises the following steps: the workpiece is sequentially placed in the transmission device, and the detection sensor detects the rotation condition of the follow-up wheel: if the follower wheel rotates, the heating device keeps an on state; if the follower wheel stops rotating, the control device controls the heating device to be turned off. The detection sensor monitors that the workpiece on the conveying device has blocking materials in time, and then the heating device is turned off, so that the problem that batch workpieces are overheated due to blocking materials is avoided.
Description
Technical Field
The invention relates to a blocking material monitoring and removing system and a blocking material monitoring and removing method.
Background
Intermediate frequency tempering is a highly efficient heat treatment process, and has been increasingly focused and widely used in recent years. Because the production process has a relatively fast production rhythm, the occurrence of production abnormality requires rapid processing. Among them, the problem is more remarkable, and the problem of abnormal bending of the plugging caused by quenching is first pointed out. The problem is not timely processed or improper in method, not only affects production efficiency, but also causes overheating and overburning of batch parts, and further causes batch waste.
In the past, aiming at the problem of bending and blocking caused by quenching, the method for waiting for overtemperature alarm and stopping the wire is adopted. Namely, the temperature of the part is checked by adopting a far infrared temperature sensor, and when the temperature of the part is abnormal, the overtemperature alarm is given, and the heating device stops working. The monitoring system has the advantages of low reaction speed and low efficiency, and is easy to overheat parts in batches on the transmission line after blocking occurs, so that the parts are scrapped in batches.
Disclosure of Invention
The invention aims to overcome the defects of low reaction speed and low efficiency of a system for monitoring plugging in the prior art, and provides a plugging monitoring and rejecting system and a method for monitoring and rejecting plugging, which can monitor the plugging at high efficiency and high speed.
The invention solves the technical problems by the following technical scheme:
a putty monitoring and culling system, comprising:
a conveying device for conveying a plurality of workpieces to be processed;
the monitoring device comprises a follower wheel and a detection sensor, the follower wheel is rotatably connected with the transmission device, the follower wheel is used for transmitting the workpiece connected to the transmission device, and the detection sensor is used for monitoring the rotation condition of the follower wheel;
the heating device is arranged on the conveying device and is used for heating the workpiece, and the heating device is positioned at the downstream of the monitoring device in the conveying direction of the workpiece;
and the control device is respectively and electrically connected with the detection sensor and the heating device, and controls the action of the heating device according to the signal of the detection sensor.
Preferably, the blocking monitoring and removing system further comprises a first proximity switch, the first proximity switch corresponds to the follower wheel, the first proximity switch is used for detecting whether the workpiece exists on the follower wheel, the first proximity switch is electrically connected with the control device, and the control device further controls the action of the heating device according to signals of the first proximity switch.
In the scheme, the first proximity switch can detect whether the workpiece is arranged on the follower wheel, so that the situation that the control device is operated incorrectly due to the fact that the workpiece is not arranged on the follower wheel can be avoided.
Preferably, the control device comprises a power cabinet and a controller, the controller is electrically connected with the power cabinet, the power cabinet is used for controlling the action of the heating device, the detection sensor is electrically connected with the controller, and the controller controls the action of the power cabinet according to the signal of the detection sensor.
In the scheme, the controller and the power cabinet are utilized to realize the switching operation of the heating device according to the signal of the detection sensor.
Preferably, the transmission device includes:
the follower wheel is rotatably connected to the bracket, and the detection sensor and the heating device are both arranged on the bracket;
a driver fixed to the bracket;
the driving wheel is arranged on the support, the driver is used for driving the driving wheel to rotate, and the driving wheel is used for driving the workpiece to move.
In this embodiment, the support, the drive and the driving wheel form a set of transport systems for transporting the workpieces.
Preferably, the number of the drivers is multiple, the number of the driving wheels is multiple, the driving wheels are sequentially arranged along the transmission direction of the workpiece, the drivers are arranged in one-to-one correspondence with the driving wheels, and each driver is used for driving the corresponding driving wheel to move.
In the scheme, each driving wheel is independently driven by one driver, so that the transmission power of the transmission device is enhanced, and meanwhile, the transmission device is overhauled.
Preferably, the driving wheel is a metal V-shaped wheel.
In this scheme, metal V-arrangement wheel can be used to the higher work piece of transmission temperature, and application scope is wider.
Preferably, the blockage monitoring and removing system further comprises an identification device, wherein the identification device is positioned downstream of the monitoring device in the transmission direction of the workpiece and is used for identifying the workpiece.
In the scheme, the marking device can mark all the workpieces on the conveying device after the blockage, so that whether the marked workpieces have overheat failure or not can be detected later, and the quality of the workpieces is ensured.
Preferably, the identification device is electrically connected with the control device, and the identification device acts according to a control signal of the control device.
In the scheme, the control device controls the identification device to act, so that automatic identification of the workpiece is realized, the working efficiency is high, and manual misoperation is avoided.
Preferably, the blocking monitoring and removing system further comprises a second proximity switch, the second proximity switch is fixed relative to the transmission device, in the transmission direction of the workpiece, the second proximity switch is located between the monitoring device and the identification device, the second proximity switch is electrically connected with the control device, the second proximity switch is used for detecting whether the workpiece exists at the position and the upstream position of the second proximity switch in the transmission device, and the identification device acts according to signals of the second proximity switch.
In the scheme, the second proximity switch can judge whether the workpiece approaches the identification device or not, so that signals are transmitted to the control device, and the identification device is controlled to identify the workpiece.
Preferably, the marking device is a paint spraying device.
In this scheme, paint spraying apparatus sign is effectual, is difficult for cleaing away, convenient to use.
Preferably, the putty monitoring and removing system further comprises a protective cylinder, through holes for passing through the workpiece are formed in two ends of the protective cylinder, paint spraying openings are formed in the side faces of the protective cylinder, and nozzles of the paint spraying device are aligned with the paint spraying openings.
In this scheme, paint spraying device's spout sprays paint the sign through the spray paint mouth of the side of protective barrel to the work piece to avoid paint to cause environmental pollution.
Preferably, the blocking monitoring and removing system further comprises a removing device, wherein the removing device is located at the downstream of the identification device in the conveying direction of the workpiece, and the removing device is used for removing the workpiece from the conveying device.
In the scheme, the picking device can reject the identified workpieces on the conveying device so as to detect whether the overheating failure problem exists later or not and ensure the quality of the workpieces.
Preferably, the blocking monitoring and removing system further comprises a removing device, wherein the removing device is positioned at the downstream of the monitoring device in the conveying direction of the workpiece, and the removing device is used for removing the workpiece from the conveying device.
In the scheme, the material rejecting device can reject all the workpieces positioned on the conveying device after material blocking, so that whether all the rejected workpieces have overheat failure or not can be detected later, and the quality of the workpieces is ensured.
Preferably, the picking device is electrically connected with the control device, and the picking device acts according to a control signal of the control device.
In the scheme, the control device controls the material picking device to act, so that automatic workpiece picking is realized, the material lifting efficiency is improved, and manual misoperation is avoided.
Preferably, the blocking monitoring and removing system further comprises a second proximity switch, the second proximity switch is fixed relative to the transmission device, in the transmission direction of the workpiece, the second proximity switch is located between the monitoring device and the removing device, the second proximity switch is used for judging whether the workpiece approaches the second proximity switch on the transmission device, the second proximity switch is electrically connected with the control device, and the removing device acts according to signals of the second proximity switch.
In the scheme, the second proximity switch can judge whether the workpiece is close to the picking device or not, so that signals are transmitted to the control device, and the picking device is controlled to pick out the workpiece on the transmission device.
Preferably, the picking device comprises:
a lifting bracket movably connected to the conveying device, wherein the lifting bracket is used for supporting and removing the workpiece on the conveying device;
the picking driver drives the lifting bracket to move;
and the lifting bracket is used for storing the workpieces removed by the lifting bracket.
In the scheme, the picking driver drives the lifting bracket to lift and reject the workpiece on the conveying device to the isolation charging basket.
Preferably, the follower wheel is a V-shaped wheel, and an anti-slip layer is coated on the follower wheel.
In this scheme, the skid-proof layer can increase the frictional force between follower and the work piece, ensures that the follower rotates along with the work piece removes.
A method of plugging monitoring and removal using a plugging monitoring and removal system as described above, the method comprising the steps of:
sequentially placing a plurality of workpieces to be processed on the conveying device, and starting the heating device;
the detection sensor detects the rotation condition of the follower wheel: if the follower wheel rotates, the heating device is kept in an on state; and if the follower wheel stops rotating, the control device controls the heating device to be closed.
Preferably, the blockage monitoring and removing system further comprises a first proximity switch, wherein the first proximity switch corresponds to the follower wheel and is electrically connected with the control device;
the method further comprises the steps of:
when the detection sensor detects that the follower wheel stops rotating, the first proximity switch detects whether the workpiece exists on the follower wheel or not: if yes, the control device controls the heating device to be closed; if not, the heating device is kept in an on state.
In the scheme, the first proximity switch detects whether the workpiece exists on the follower wheel or not, and the control device can be prevented from sending out an error operation signal due to the fact that the rotation of the follower wheel is stopped due to the fact that the workpiece does not exist.
Preferably, the method for monitoring and removing the blocking material further comprises the following steps:
and removing part of the workpieces to be processed, which are caused to stop moving, on the blockage monitoring and removing system, and continuing to move the rest of the workpieces.
In the scheme, a part of workpieces which cause the workpiece to be processed to stop moving are bent blocking materials and need to be removed in time, and other workpieces continue to move to other working procedures.
Preferably, the plugging material monitoring and removing system further comprises an identification device, the identification device is positioned at the downstream of the monitoring device in the transmission direction of the workpiece, and the plugging material monitoring and removing method further comprises the following steps: the identification device identifies the rest of the workpieces.
In the scheme, the marking device marks the other workpieces so as to facilitate the next step of detection, and the other workpieces are prevented from being mixed into the other workpieces and being difficult to identify.
Preferably, the blockage monitoring and removing system further includes a second proximity switch, the second proximity switch is fixed relative to the transmission device, in the transmission direction of the workpiece, the second proximity switch is located between the monitoring device and the identification device, the second proximity switch, the identification device and the removal device are respectively and electrically connected with the control device, and the blockage monitoring and removing method further includes the following steps:
the second proximity switch detects whether the workpiece on the transmission device approaches the second proximity switch: if yes, the identification device identifies the rest of the workpieces according to the signals of the second proximity switch; if not, the identification device is kept in a closed state.
In the scheme, the second proximity switch automatically detects the workpiece and sends out a signal of workpiece approaching to the control device, the control device sends out an operation signal to the identification device, and the identification device identifies the approaching workpiece.
Preferably, the plugging monitoring and removing system further comprises a removing device, the removing device is located at the downstream of the monitoring device in the transmission direction of the workpiece, and the plugging monitoring and removing method further comprises the following steps: and the material rejecting device rejects the rest of the workpieces from the conveying device.
In the scheme, the material removing device removes the other workpieces, so that the other workpieces possibly having problems are prevented from being mixed into other workpieces.
Preferably, the blockage monitoring and removing system further includes a second proximity switch, the second proximity switch is fixed relative to the transmission device, in the transmission direction of the workpiece, the second proximity switch is located between the monitoring device and the identification device, the second proximity switch, the identification device and the removal device are respectively and electrically connected with the control device, and the blockage monitoring and removing method further includes the following steps:
the second proximity switch detects whether the workpiece on the transmission device approaches the second proximity switch: if yes, the material rejecting device rejects other workpieces from the transmission device according to the signal of the second proximity switch; if not, the material picking device is kept in a closed state.
In the scheme, the second proximity switch automatically detects the workpiece and sends a signal of workpiece approaching to the control device, the control device sends an operation signal to the picking device, and the picking device picks the approaching workpiece out of the transmission device.
On the basis of conforming to the common knowledge in the field, the above preferred conditions can be arbitrarily combined to obtain the preferred examples of the invention.
The invention has the positive progress effects that: whether the follower wheel which can rotate along with the movement of the workpiece rotates is monitored through the detection sensor, so that the phenomenon that the workpiece on the conveying device is blocked is timely found, the detection sensor sends a signal to the controller, and the controller timely closes the heating device, so that the problem that batch workpieces are overheated due to blocking is avoided.
Drawings
Fig. 1 is a schematic diagram of the plugging monitoring and removing system in embodiment 1 and embodiment 2 of the present invention.
Fig. 2 is a schematic structural diagram of a follower wheel in the plugging monitoring and removing system in embodiment 1 and embodiment 2 of the present invention.
Fig. 3 is a schematic structural diagram of a protection cartridge in the plugging monitoring and removing system according to the embodiment 1 and the embodiment 2 of the present invention.
Fig. 4 is a schematic structural diagram of a material rejecting device in the material rejecting system according to embodiment 1 and embodiment 2 of the present invention.
Fig. 5 is a flow chart of a method for monitoring and removing blocking materials according to embodiment 2 of the present invention.
Reference numerals illustrate:
transmission device 100
Bracket 110
Driver 120
Drive wheel 130
Monitoring device 200
Follower wheel 210
Anti-slip layer 211
Detection sensor 220
Heating device 300
Control device 400
Power supply cabinet 410
Controller 420
First proximity switch 500
Identification device 600
Paint spraying device 610
Protective cylinder 620
Through hole 622
Paint spraying opening 623
Second proximity switch 700
Material picking device 800
Lifting bracket 810
Picking driver 820
Isolation basket 830
Detailed Description
The invention is further illustrated by means of examples which follow, without thereby restricting the scope of the invention thereto.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1
Fig. 1 shows a plugging monitoring and removal system comprising: the transmission device 100, the monitoring device 200, the heating device 300 and the control device 400. The transfer device 100 includes a support 110, a driver 120, and a capstan 130. The follower wheel 210 is rotatably connected to the bracket 110, and the detection sensor 220 and the heating device 300 are mounted to the bracket 110. The drivers 120 are fixed to the bracket 110, and the number of drivers 120 is plural. The driving wheels 130 are disposed on the support 110, the number of the driving wheels 130 is multiple, the driving wheels 130 are sequentially arranged along the conveying direction of the workpiece, the plurality of drivers 120 are disposed in one-to-one correspondence with the driving wheels 130, and each driver 120 is used for driving the corresponding driving wheel 130 to move. Each capstan 130 is individually driven by one driver 120, enhancing the transmission power of the transmission device 100, while maintaining maintenance. The driving wheel 130 is used for driving the workpiece to move. The monitoring device 200 includes a follower wheel 210 and a detection sensor 220. The follower wheel 210 is rotatably connected to the transfer device 100, and the follower wheel 210 is used to drive a workpiece connected to the transfer device 100. The detection sensor 220 is used to monitor the rotation of the follower wheel 210. The heating device 300 is mounted on the conveying device 100, and the heating device 300 is used for heating a workpiece. The heating device 300 is located downstream of the monitoring device 200 in the conveying direction of the work pieces. The control device 400 includes a power cabinet 410 and a controller 420, the controller 420 is electrically connected with the power cabinet 410, the power cabinet 410 is used for controlling the action of the heating device 300, the detection sensor 220 is electrically connected with the controller 420, and the controller 420 controls the action of the power cabinet 410 according to the signal of the detection sensor 220.
In this embodiment, the follower wheel 210 rotates along with the movement of the workpiece, and the detection sensor 220 monitors the rotation of the follower wheel 210 at any time. When the detection sensor 220 detects that the follower wheel 210 stops rotating, it indicates that there is a jam on the conveyor 100. The detection sensor 220 timely sends a signal to the controller 420, and the controller 420 controls the power cabinet 410 to cut off the power supply of the heating device 300, so that the problem of overheating of batch workpieces caused by material blockage is avoided.
The plugging material monitoring and removing system further comprises a first proximity switch 500, the first proximity switch 500 corresponds to the follower wheel 210, the first proximity switch 500 is used for detecting whether a workpiece exists on the follower wheel 210, the first proximity switch 500 is electrically connected with the controller 420, and the controller 420 further controls the action of the heating device 300 according to signals of the first proximity switch 500. The detection sensor 220 detects that the follower wheel 210 stops rotating, and the first proximity switch 500 detects that the follower wheel 210 has a workpiece, which indicates that there is a blockage in the workpiece on the conveying device 100, and the controller 420 controls the heating device 300 to be turned off. If the detection sensor 220 detects that the follower wheel 210 stops rotating, but the first proximity switch 500 detects that there is no workpiece on the follower wheel 210, which means that the follower wheel 210 is not rotated until there is no workpiece on the transmission device 100, the controller 420 can send an alarm signal that the process is completed or feeding is required. By providing the first proximity switch 500, the controller 420 can be prevented from sending out an incorrect operation signal due to the absence of a workpiece on the follower wheel 210.
As shown in fig. 2, the driving wheel 130 is a metal V-shaped wheel, the follower wheel 210 is a V-shaped wheel, and the follower wheel 210 is coated with an anti-slip layer 211. The metal V-shaped wheel can be used for conveying workpieces with higher temperature, and has wider application range. The anti-slip layer 211 can increase the friction between the follower wheel 210 and the workpiece, so as to ensure that the follower wheel 210 rotates along with the movement of the workpiece.
In this embodiment, the plugging monitoring and removing system further includes an identification device 600, where the identification device 600 is located downstream of the monitoring device 200 in the conveying direction of the workpiece, the identification device 600 is electrically connected to the controller 420, and the identification device 600 identifies the workpiece according to the control signal of the controller 420.
The marking device 600 is controlled by the controller 420 to mark the workpieces, so that all the workpieces on the conveying device 100 after material blockage can be ensured to be different from other workpieces, whether the overheating failure problem exists or not is detected later, the quality of the workpieces is ensured, the automatic workpiece marking can be realized, the working efficiency is high, and the manual misoperation is avoided.
As shown in fig. 3, the marking device 600 is a paint spraying device 610. The paint spraying device 610 has good marking effect, is not easy to clean and is convenient to use. The putty monitoring and removal system further includes a protective cylinder 620, through holes 622 for passing through the workpiece are formed at both ends of the protective cylinder 620, paint spraying openings 623 are formed at the side surfaces of the protective cylinder 620, and the nozzle of the paint spraying device 610 is aligned with the paint spraying openings 623. The nozzle of the paint spraying apparatus 610 performs paint spraying identification on the workpiece through the paint spraying opening 623 on the side surface of the protective cylinder 620, thereby avoiding environmental pollution caused by paint.
As shown in fig. 4, the plugging monitoring and removing system further includes a removing device 800, and the removing device 800 is located downstream of the monitoring device 200 in the conveying direction of the workpiece. The pick device 800 includes: lifting bracket 810, pick-off driver 820 and isolation basket 830. The lifting bracket 810 is movably connected to the transfer device 100, and the lifting bracket 810 is used for supporting and rejecting workpieces on the transfer device 100. The pick driver 820 drives the lifting carriage 810 to move. The lifting bracket 810 is used for storing the workpieces removed by the lifting bracket 810. The picking driver 820 is electrically connected with the controller 420, and the picking driver 820 drives the lifting bracket 810 to reject the workpiece from the conveying device 100 to the isolation basket 830 according to the control signal of the controller 420.
All the workpieces on the conveying device 100 after material blockage can be automatically removed by controlling the action of the material removing device 800 through the controller 420, so that whether the problem of overheat failure exists is detected later, the quality of the workpieces is ensured, the material lifting efficiency is improved, and manual misoperation is avoided.
Meanwhile, the plugging monitoring and removing system further comprises a second proximity switch 700, the second proximity switch 700 is fixed relative to the transmission device 100, the second proximity switch 700 is located between the monitoring device 200 and the identification device 600 in the transmission direction of the workpiece, the second proximity switch 700 is electrically connected with the controller 420, the second proximity switch 700 is used for detecting whether the workpiece exists at the position and the upstream position of the second proximity switch 700 in the transmission device 100, and the identification device 600 and the rejecting driver 820 act according to signals of the second proximity switch 700.
The second proximity switch 700 may determine whether the workpiece approaches the second proximity switch 700, so as to send a signal to the controller 420 that the workpiece approaches, the controller 420 sends a signal to the marking device 600 and the picking driver 820, respectively, when the workpiece enters the marking area, the paint spraying device 610 automatically performs paint spraying marking on the workpiece, and when the workpiece having completed the paint spraying marking enters the picking area, the picking driver 820 drives the lifting bracket 810 to reject the workpiece from the conveying device 100 to the isolation basket 830.
Example 2
Fig. 5 illustrates a method of putty monitoring and culling. The method utilizes the blockage monitoring and removing system to realize the functions of detecting and removing the blockage. As illustrated in fig. 1-5, the method comprises the steps of:
in the transfer apparatus 100, a plurality of drivers 120 drive a plurality of capstan 130 (metal V-wheels) to rotate, a plurality of workpieces to be processed are placed on the plurality of capstan 130 in sequence, and the plurality of workpieces move in the transfer direction with the rotation of the capstan 130. The heating device 300 is positioned in the conveying direction of the workpiece, the heating device 300 is started, and the heating device 300 continuously heats the workpiece along with the movement of the workpiece. A follower wheel 210 (V-wheel) rotatable with the movement of the workpiece is provided at a position upstream of the heating device 300 in the conveying direction of the workpiece. The outer surface of the follower wheel 210 is coated with anti-slip rubber, and the follower wheel 210 rotates by virtue of friction force between the follower wheel and a workpiece;
the detection sensor 220 in the blockage monitoring and removing system detects the rotation condition of the follower wheel 210 in real time, and the first proximity switch 500 detects whether a workpiece is present on the follower wheel 210 in real time. When the detection sensor 220 detects that the follower wheel 210 stops rotating and the first proximity switch 500 detects that a workpiece is present on the follower wheel 210, the controller 420 determines that a material blockage problem exists on the transmission device 100 according to signals transmitted by the detection sensor 220 and the first proximity switch 500, and then the controller 420 sends a control signal to the power cabinet 410, and the power cabinet 410 cuts off the power supply of the heating device 300; when the detection sensor 220 detects that the follower 210 stops rotating and the first proximity switch 500 detects that no workpiece is present on the follower 210, the controller 420 determines that the follower 210 stops rotating only when no workpiece is present on the transmission device 100 according to the signals transmitted by the detection sensor 220 and the first proximity switch 500, and the controller 420 sends a control signal to the alarm device, and the alarm device sends an alarm sound that the process is completed or the material needs to be fed. Alternatively, the blockage monitoring and removing system may not be provided with the first proximity switch 500, and the detection sensor 220 may detect the blockage and turn off the heating device 300 in time by detecting the rotation of the follower wheel 210 in real time. When the heating device 300 is turned off due to the absence of a workpiece on the transfer device 100, the heating device 300 may be manually charged and turned back on;
the material blocking phenomenon occurs on the transmission device 100, and after the heating device 300 is turned off by the controller 420, the second proximity switch 700 is turned on by the controller 420. Removing the bent workpiece which causes the blocking phenomenon from the conveying device 100 in a manual mode, and continuously moving the rest unbent workpiece forwards under the drive of the driving wheel 130;
the controller 420 can calculate the number of workpieces on the entire conveyor 100 after the curved workpieces are removed based on the length of the entire conveyor path and the length of each workpiece. When the most downstream one of all the workpieces on the conveyor 100 where the jam occurs is detected by the second proximity switch 700, the process of identifying and rejecting the workpiece is formally started. Based on the distance between the second proximity switch 700 and the marking device 600, the picking device 800, and the speed of the movement of the workpiece, the controller 420 can accurately calculate the time required for the workpiece to move from the position that can be detected by the second proximity switch 700 to the position of the marking device 600, the picking device 800. The controller 420 sends a control signal to the paint spraying device 610 when waiting for the workpiece to move into the protective cylinder 620 according to the transmission signal of the second proximity switch 700, and the paint spraying device 610 sprays paint into the paint spraying opening 623. Subsequently, when the workpiece moves to the position of the lifting bracket 810, the controller 420 sends a control signal to the picking driver 820, and the picking driver 820 drives the lifting bracket 810 to lift and reject the workpiece to the isolation basket 830. The workpiece sequentially passing through the second proximity switch 700 is then repeatedly subjected to the above operations, and the controller 420 counts the signal that the second proximity switch 700 detects the workpiece. When the number of the signals sent by the second proximity switch 700 and detected by the workpieces is equal to the number of the workpieces on the whole conveying device 100 calculated by the controller 420, the controller 420 judges that all the workpieces to be marked and removed have completed marking and removing processes, and at this time, the second proximity switch 700, the marking device 600 and the material removing device 800 stop operating.
Alternatively, the operation may be performed by a fully manual method when all the workpieces on the conveying device 100 where the blockage occurs are identified and removed. Namely: at the output of the transfer device 100, the operator sequentially identifies the work pieces transferred to the output and rejects them one by one into the isolation basket 830. Alternatively, the operation may be performed in a semi-manual or semi-automatic manner. Namely: the controller 420 calculates the number of the workpieces on the whole conveying device 100 after the curved workpieces are removed according to the length of the whole conveying path and the length of each workpiece; when each workpiece is transmitted to the output end of the transmission device 100, an operator inputs a control instruction on the controller 420 to control the identification device 600 to identify the workpiece and control the picking device 800 to pick out the workpiece into the isolation basket 830; the above is repeated as the workpiece is continuously transferred to the output of the transfer device 100. When the controller 420 counts that the number of detected and rejected workpieces is equal to the number of workpieces on the entire conveyor 100 calculated previously, the controller 420 issues a warning signal to complete the operation.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the invention, but such changes and modifications fall within the scope of the invention.
Claims (24)
1. A plugging monitoring and removal system, comprising:
a conveying device for conveying a plurality of workpieces to be processed;
the monitoring device comprises a follower wheel and a detection sensor, the follower wheel is rotatably connected with the transmission device, the follower wheel is used for transmitting the workpiece connected to the transmission device, and the detection sensor is used for monitoring the rotation condition of the follower wheel;
the heating device is arranged on the conveying device and is used for heating the workpiece, and the heating device is positioned at the downstream of the monitoring device in the conveying direction of the workpiece;
and the control device is respectively and electrically connected with the detection sensor and the heating device, and controls the action of the heating device according to the signal of the detection sensor.
2. The putty monitoring and culling system of claim 1 further comprising a first proximity switch, said first proximity switch corresponding to said follower wheel, said first proximity switch for detecting whether said workpiece is on said follower wheel, said first proximity switch being electrically connected to said control device, said control device further controlling the operation of said heating device based on signals from said first proximity switch.
3. The system of claim 1, wherein the control device comprises a power cabinet and a controller, the controller is electrically connected to the power cabinet, the power cabinet is used for controlling the action of the heating device, the detection sensor is electrically connected to the controller, and the controller controls the action of the power cabinet according to the signal of the detection sensor.
4. The putty monitoring and culling system of claim 1 wherein said transmission means comprises:
the follower wheel is rotatably connected to the bracket, and the detection sensor and the heating device are both arranged on the bracket;
a driver fixed to the bracket;
the driving wheel is arranged on the support, the driver is used for driving the driving wheel to rotate, and the driving wheel is used for driving the workpiece to move.
5. The system of claim 4, wherein the number of drivers is plural, the number of driving wheels is plural, the plural driving wheels are sequentially arranged along the conveying direction of the workpiece, the plural drivers are arranged in one-to-one correspondence with the plural driving wheels, and each driver is used for driving the corresponding driving wheel to move.
6. The plugging monitoring and removal system of claim 5, wherein the drive wheel is a metal V-wheel.
7. The putty monitoring and culling system of claim 1 further comprising an identification device downstream of said monitoring device in a direction of conveyance of said workpiece, said identification device for identifying said workpiece.
8. The system of claim 7, wherein the identification device is electrically connected to the control device, the identification device acting in response to a control signal from the control device.
9. The putty monitoring and culling system of claim 8 further comprising a second proximity switch fixed relative to said transmission device, said second proximity switch being positioned between said monitoring device and said identification device in a direction of transmission of said workpiece, said second proximity switch being electrically connected to said control device, said second proximity switch being configured to detect whether said workpiece is present in said transmission device at and upstream of a location of said second proximity switch, said identification device being configured to act upon a signal of said second proximity switch.
10. A plugging monitoring and removal system according to any one of claims 7-9, wherein said identification means is a paint spray device.
11. The putty monitoring and culling system of claim 10 further comprising a protective cylinder having through holes at both ends for passing through said workpiece, a paint spray opening being open at a side of said protective cylinder, a nozzle of said paint spray device being aligned with said paint spray opening.
12. A plugging monitoring and removal system according to any one of claims 7-9, wherein the plugging monitoring and removal system further comprises a removal device downstream of the identification device in a direction of transport of the workpiece, the removal device being adapted to remove the workpiece from the transport device.
13. The putty monitoring and culling system of claim 1 further comprising a culling device downstream of said monitoring device in a direction of conveyance of said workpieces, said culling device being configured to cull said workpieces from said conveyance device.
14. The system of claim 13, wherein the culling device is electrically connected to the control device, the culling device acting according to a control signal from the control device.
15. The putty monitoring and culling system of claim 14 further comprising a second proximity switch, said second proximity switch being fixed relative to said transmission device, said second proximity switch being positioned between said monitoring device and said culling device in a direction of transmission of said workpiece, said second proximity switch being configured to determine whether said workpiece is approaching said second proximity switch on said transmission device, said second proximity switch being electrically connected to said control device, said culling device being configured to act upon signals from said second proximity switch.
16. The plug monitoring and removal system of any one of claims 13-15, wherein the removal device comprises:
a lifting bracket movably connected to the conveying device, wherein the lifting bracket is used for supporting and removing the workpiece on the conveying device;
the picking driver drives the lifting bracket to move;
and the lifting bracket is used for storing the workpieces removed by the lifting bracket.
17. The system of claim 1, wherein the follower wheel is a V-wheel and the follower wheel is coated with an anti-slip layer.
18. A method of plug monitoring and removal using the plug monitoring and removal system of claim 1, the method comprising the steps of:
sequentially placing a plurality of workpieces to be processed on the conveying device, and starting the heating device;
the detection sensor detects the rotation condition of the follower wheel: if the follower wheel rotates, the heating device is kept in an on state; and if the follower wheel stops rotating, the control device controls the heating device to be closed.
19. The method of putty monitoring and culling as set forth in claim 18 wherein said putty monitoring and culling system further comprises a first proximity switch, said first proximity switch corresponding to said follower wheel, said first proximity switch being electrically connected to said control device;
the method further comprises the steps of:
when the detection sensor detects that the follower wheel stops rotating, the first proximity switch detects whether the workpiece exists on the follower wheel or not: if yes, the control device controls the heating device to be closed; if not, the heating device is kept in an on state.
20. The method of plugging monitoring and removal of claim 19, wherein said plugging monitoring and removal system further comprises a removal device downstream of said monitoring device in a direction of transport of said work piece, said removal device for removing said work piece from said transport device, said method further comprising the steps of:
and removing part of the workpieces to be processed, which are caused to stop moving, on the blockage monitoring and removing system, and continuing to move the rest of the workpieces.
21. A method of blanking monitoring and elimination according to claim 20 wherein said blanking monitoring and elimination system further comprises an identification device located downstream of said monitoring device in a direction of transport of said workpiece, said method of blanking monitoring and elimination further comprising the steps of: the identification device identifies the rest of the workpieces.
22. The method of putty monitoring and culling as set forth in claim 21 wherein said putty monitoring and culling system further comprises a second proximity switch, said second proximity switch being fixed relative to said transmission device, said second proximity switch being located between said monitoring device and said identification device in a direction of transmission of said workpiece, said second proximity switch, said identification device and said culling device being electrically connected to said control device, respectively, said method of putty monitoring and culling further comprising the steps of:
the second proximity switch detects whether the workpiece on the transmission device approaches the second proximity switch: if yes, the identification device identifies the rest of the workpieces according to the signals of the second proximity switch; if not, the identification device is kept in a closed state.
23. The method of plugging monitoring and removal of claim 21, wherein said system further comprises a removal device downstream of said monitoring device in a direction of transport of said workpiece, said method further comprising the steps of: and the material rejecting device rejects the rest of the workpieces from the conveying device.
24. The method of putty monitoring and culling as set forth in claim 23 wherein said putty monitoring and culling system further comprises a second proximity switch, said second proximity switch being fixed relative to said transmission device, said second proximity switch being located between said monitoring device and said identification device in a direction of transmission of said workpiece, said second proximity switch, said identification device and said culling device being electrically connected to said control device, respectively, said method of putty monitoring and culling further comprising the steps of:
the second proximity switch detects whether the workpiece on the transmission device approaches the second proximity switch: if yes, the material rejecting device rejects other workpieces from the transmission device according to the signal of the second proximity switch; if not, the material picking device is kept in a closed state.
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