Tire vulcanizer safety device and control method thereof
阅读说明：本技术 一种轮胎硫化机安全装置及其控制方法 (Tire vulcanizer safety device and control method thereof ) 是由 何显国 江河 于 2019-11-06 设计创作，主要内容包括：本发明公开一种轮胎硫化机安全装置,包括围栏、安全门和门控开关,围栏为多段式用于围挡所述轮胎硫化机；围栏包括第一防护栅栏和第二防护栅栏,第一防护栅栏固定于轮胎硫化机卸胎滚道的两侧,第二防护栅栏固定于轮胎硫化机主机的两侧；两防护栅栏中的一者与安全门的一端转动连接,两防护栅栏中的另一者设有与安全门锁定或分离的门锁装置；门控开关安装于靠近门锁装置的一侧并电连接轮胎硫化机的总电源,安全门闭合状态下门控开关闭合,安全门打开状态下门控开关打开以切断硫化机的总电源。本发明还提供一种轮胎硫化机安全装置控制方法。本发明通过围栏限定轮胎硫化机的危险区域,当人员打开安全门进入危险区域后门控开关切断硫化机的总电源。(The invention discloses a safety device of a tire vulcanizer, which comprises a fence, a safety door and a door control switch, wherein the fence is in a multi-section type and is used for enclosing and blocking the tire vulcanizer; the fence comprises a first protective fence and a second protective fence, the first protective fence is fixed on two sides of a tire unloading roller path of the tire vulcanizing machine, and the second protective fence is fixed on two sides of a main machine of the tire vulcanizing machine; one of the two protective fences is rotationally connected with one end of the safety door, and the other protective fence is provided with a door lock device which is locked or separated with the safety door; the door control switch is installed on one side close to the door lock device and electrically connected with a main power supply of the tire vulcanizing machine, the door control switch is closed under the closing state of the safety door, and the door control switch is opened under the opening state of the safety door so as to cut off the main power supply of the vulcanizing machine. The invention also provides a control method of the safety device of the tire vulcanizer. The invention limits the dangerous area of the tire vulcanizer by the fence, and the door control switch cuts off the main power supply of the vulcanizer after a person opens the safety door and enters the dangerous area.)
1. The safety device of the tire vulcanizing machine is characterized by comprising a fence, a safety door and a door control switch, wherein the fence is in a multi-section type and is used for blocking the tire vulcanizing machine to form a processing opening of a tire blank manipulator of the tire vulcanizing machine; the fence comprises a first protective fence and a second protective fence, the first protective fence is fixed on two sides of the tire unloading roller path of the tire vulcanizing machine, and the second protective fence is fixed on two sides of the main machine of the tire vulcanizing machine; one of the first protective fence and the second protective fence is rotatably connected with one end of the safety door, and the other of the first protective fence and the second protective fence is provided with a door lock device which is locked or separated with the safety door; the door control switch is arranged on one side of the safety door close to the door lock device; the gate control switch is electrically connected with a main power supply of the tire vulcanizing machine, the gate control switch is abutted to enable the gate control switch to be closed in the closing state of the safety door, and the gate control switch is opened to cut off the main power supply of the tire vulcanizing machine in the opening state of the safety door.
2. The tire press safety device of claim 1, wherein the door courtesy switch 3 comprises a latch assembly and a control switch; the latch component comprises a latch and a latch groove which is arranged corresponding to the latch; the control switch is arranged in the latch groove; when the bolt enters the bolt groove, the control switch is touched to be closed.
3. The tire press safety device of claim 1, wherein a guardrail is fixed to the maintenance platform at the top of the tire press, an access protection door is installed on the guardrail close to the tire blank manipulator side, and the access protection door is provided with an electromagnetic locking switch.
4. The tire vulcanizer safety device as set forth in claim 3, comprising an emergency stop button, an alarm, a safety PLC, a relay and at least two sets of safety light screens, wherein one set of the safety light screens is disposed between the tire vulcanizer main body and the green tire manipulator for forming a light screen between the tire vulcanizer main body and the green tire manipulator, and the other set of the safety light screens is disposed on a side of the green tire manipulator facing the processing opening for forming a light screen between the green tire manipulator and the processing opening; the safety light curtain, the emergency stop button and the signal line of the electromagnetic locking switch are all electrically connected with the signal input end of the safety PLC, the signal output end of the safety PLC is respectively and electrically connected with the relay and the alarm, and the relay is respectively and electrically connected with a main machine power supply and a mechanical arm power supply of the tire vulcanizing machine.
5. The tire vulcanizer safety device as set forth in claim 4, wherein said safety light curtain comprises a light projector and a light receiver, said light projector and said light receiver being disposed in parallel and spaced apart between said two second safety fences.
6. A tire press safety device as in any of claims 1 to 5, wherein a side of said enclosure facing away from said tire press is provided with a first operating cabinet and a second operating cabinet.
7. The tire vulcanizer safety device as set forth in claim 6, comprising a tire vulcanizer main safety indicator, a robot safety indicator and a tire vulcanizer rear safety indicator, all of which are electrically connected to said relay and mounted in said front operating cabinet.
8. The tire press safety device of claim 7, wherein the emergency stop button is mounted to the rear operating cabinet, and a safety indicator light is further mounted to the rear operating cabinet.
9. A tire vulcanizer safety device as in claim 4 or 5, wherein said alarm is an audible and visual alarm.
10. A tire vulcanizer safety device control method for performing safety control using the tire vulcanizer safety device of claim 8, the tire vulcanizer safety device control method comprising the steps of:
when each safety indicator lamp is in a normally-on state, detecting whether an emergency stop button is pressed;
when the emergency stop button is detected to be pressed, the safety indicator lamp and the safety indicator lamp at the rear part of the tire vulcanizing machine are controlled to be turned off, the alarm gives an alarm, and the main power supply of the tire vulcanizing machine is cut off, so that the tire vulcanizing machine stops working;
judging whether a fault elimination signal is detected;
when the fault elimination signal is detected, the emergency stop button and the door control switch are controlled to reset, the safety indicator lamp and the rear safety indicator lamp of the tire vulcanizer are controlled to be lightened after being reset, and the alarm is controlled to stop giving an alarm;
when the door control switch is detected to be closed, the main power supply of the tire vulcanizing machine is cut off so as to stop the tire vulcanizing machine;
detecting whether a signal of a safety light curtain corresponding to the embryo manipulator is interrupted or not;
when the safety light curtain signal corresponding to the tire blank manipulator is interrupted, the safety indicator lamp of the tire blank manipulator is controlled to be turned off, the power supply of the tire blank manipulator is cut off to stop the manipulator from working, and meanwhile, a signal is sent to a tire vulcanizer PLC to control an alarm to give an alarm;
detecting whether the signal of a front safety light curtain of a main machine of the tire vulcanizer or the signal of an electromagnetic locking switch is interrupted;
if yes, the safety indicator lamp of the tire vulcanizer host is controlled to be turned off, the power supply of the tire vulcanizer host is cut off to stop the tire vulcanizer, and meanwhile, a signal is sent to the tire vulcanizer PLC to control the alarm to give an alarm.
Technical Field
The invention relates to the field of tire vulcanizing machines, in particular to a safety device of a tire vulcanizing machine.
Background
At present, a safety protection device of a tire vulcanizer mainly comprises a host safety rod and a manipulator safety ring. Travel switches are arranged at two ends of a safety rod of the main machine, when the main machine of the vulcanizing machine is matched, after the operation touches the safety rod, the travel switches give out signals, the vulcanizing machine stops matching the mold and executes the mold opening action; when the manipulator descends, a person touches the safety ring, the safety ring generates a signal through a proximity switch or a travel switch arranged on the manipulator, and the manipulator stops descending and ascends. The tire vulcanizer has a complex structure and a large volume, the visual field of an operator cannot cover the tire vulcanizer, and safety accidents easily occur when non-operators mistakenly enter the periphery of the tire vulcanizer.
Disclosure of Invention
The invention mainly aims to provide a tire vulcanizer safety device and a control method thereof, which solve the problem that safety accidents are easy to happen when non-operators mistakenly enter the periphery of the tire vulcanizer.
In order to achieve the purpose, the safety device of the tire vulcanizing machine comprises a fence, a safety door and a door control switch, wherein the fence is in a multi-section type and is used for enclosing the tire vulcanizing machine to form a processing opening of a tire blank manipulator of the tire vulcanizing machine; the fence comprises a first protective fence and a second protective fence, the first protective fence is fixed on two sides of the tire unloading roller path of the tire vulcanizing machine, and the second protective fence is fixed on two sides of the main machine of the tire vulcanizing machine; one of the first protective fence and the second protective fence is rotatably connected with one end of the safety door, and the other of the first protective fence and the second protective fence is provided with a door lock device which is locked or separated with the safety door; the door control switch is arranged on one side of the safety door close to the door lock device; the gate control switch is electrically connected with a main power supply of the tire vulcanizing machine, the gate control switch is abutted to enable the gate control switch to be closed in the closing state of the safety door, and the gate control switch is opened to cut off the main power supply of the tire vulcanizing machine in the opening state of the safety door.
Preferably, a guardrail is fixed on a maintenance platform at the top of the tire vulcanizer, an entry protection door is installed on the side of the guardrail close to the tire blank manipulator, and the entry protection door is provided with an electromagnetic locking switch.
Preferably, the device comprises an emergency stop button, an alarm, a safety PLC, a relay and at least two groups of safety light curtains, wherein one group of safety light curtains are arranged between the tire vulcanizer host and the tire blank manipulator and are used for forming light curtains between the tire vulcanizer host and the tire blank manipulator, and the other group of safety light curtains are arranged on one side of the tire blank manipulator facing the processing opening and are used for forming light curtains between the tire blank manipulator and the processing opening; the safety light curtain, the emergency stop button and the signal line of the electromagnetic locking switch are all electrically connected with the signal input end of the safety PLC, the signal output end of the safety PLC is respectively and electrically connected with the relay and the alarm, and the relay is respectively and electrically connected with a main machine power supply and a mechanical arm power supply of the tire vulcanizing machine.
Preferably, the safety light curtain comprises a light projector and a light receiver, and the light projector and the light receiver are arranged between the two second protective fences at intervals in parallel.
Preferably, a first operating cabinet and a second operating cabinet are arranged on one side, away from the tire vulcanizing machine, of the fence.
Preferably, the safety indicator lamp comprises a main tire vulcanizer safety indicator lamp, a manipulator safety indicator lamp and a tire vulcanizer rear safety indicator lamp, wherein the main tire vulcanizer safety indicator lamp, the manipulator safety indicator lamp and the tire vulcanizer rear safety indicator lamp are all electrically connected with the relay and are arranged in the front operation cabinet.
Preferably, the emergency stop button is mounted on the rear operation cabinet, and the rear operation cabinet is further provided with a safety indicator lamp.
Preferably, the alarm is an audible and visual alarm.
In order to achieve the above object, the present invention further provides a method for controlling a tire vulcanizer safety device, which is used for safety control of the tire vulcanizer safety device, and comprises the following steps:
when each safety indicator lamp is in a normally-on state, detecting whether an emergency stop button is pressed;
when the emergency stop button is detected to be pressed, the safety indicator lamp and the safety indicator lamp at the rear part of the tire vulcanizing machine are controlled to be turned off, the alarm gives an alarm, and the main power supply of the tire vulcanizing machine is cut off, so that the tire vulcanizing machine stops working;
judging whether a fault elimination signal is detected;
when the fault elimination signal is detected, the emergency stop button and the door control switch are controlled to reset, the safety indicator lamp and the rear safety indicator lamp of the tire vulcanizer are controlled to be lightened after being reset, and the alarm is controlled to stop giving an alarm;
when the door control switch is detected to be closed, the main power supply of the tire vulcanizing machine is cut off so as to stop the tire vulcanizing machine;
detecting whether a signal of a safety light curtain corresponding to the embryo manipulator is interrupted or not;
when the safety light curtain signal corresponding to the tire blank manipulator is interrupted, the safety indicator lamp of the tire blank manipulator is controlled to be turned off, the power supply of the tire blank manipulator is cut off to stop the manipulator from working, and meanwhile, a signal is sent to a tire vulcanizer PLC to control an alarm to give an alarm;
detecting whether the signal of a front safety light curtain of a main machine of the tire vulcanizer or the signal of an electromagnetic locking switch is interrupted;
if yes, the safety indicator lamp of the tire vulcanizer host is controlled to be turned off, the power supply of the tire vulcanizer host is cut off to stop the tire vulcanizer, and meanwhile, a signal is sent to the tire vulcanizer PLC to control the alarm to give an alarm.
In the technical scheme of the invention, first protective fences are fixed on two sides of a tire unloading roller path of a tire vulcanizing machine, and second protective fences are fixed on two sides of a main machine of the tire vulcanizing machine; the first protective fence and the second protective fence on the same side are connected into a whole through the safety door and a door lock device for locking or separating the safety door. The door control switch is arranged on one side close to the door lock device and electrically connected with a main power supply of the tire vulcanizing machine, the door control switch is abutted against the door control switch in a closing state of the safety door to close the door control switch, and the door control switch is opened in an opening state of the safety door to cut off the main power supply of the vulcanizing machine; the dangerous area of injecing the tire vulcanizer is enclosed through first protective fence and second protective fence, avoids non-operating personnel to get into the dangerous area, and the door control switch cuts off the main power supply of vulcanizer after personnel open the emergency exit and get into the dangerous area and avoids taking place the incident.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram according to an embodiment of the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a safety device of a tire vulcanizer, and the tire vulcanizer is a dual-mode type.
As shown in fig. 1, the tire vulcanizer safety device disclosed in this embodiment includes a fence 1, a
In the technical scheme of the invention, a first
Preferably, the
Preferably, a guardrail 5 is fixed on the maintenance platform at the top of the tire vulcanizer, a
Preferably, the safety device of the tire vulcanizer further comprises an
Further, the first safety light curtain 8 includes a
Preferably, the side of the rail 1 facing away from the tire vulcanizer is provided with a first operating cabinet 100 and a second operating cabinet 200, wherein the first operating cabinet 100 is located outside the
Preferably, tire vulcanizer safety device still includes tire vulcanizer host
Preferably, the
In this embodiment, the
In this embodiment, the
In this embodiment, the safety PLC is an ohm dragon programmable controller G9 SP-N20S.
The control method for implementing the safety device of the tire vulcanizer comprises the following steps of:
when each safety indicator lamp is in a normally-on state, detecting whether an emergency stop button is pressed;
when the emergency stop button is detected to be pressed, the safety indicator lamp and the safety indicator lamp at the rear part of the tire vulcanizing machine are controlled to be turned off, the alarm gives an alarm, and the main power supply of the tire vulcanizing machine is cut off, so that the tire vulcanizing machine stops working;
judging whether a fault elimination signal is detected;
when the fault elimination signal is detected, the emergency stop button and the door control switch are controlled to reset, the safety indicator lamp and the rear safety indicator lamp of the tire vulcanizer are controlled to be lightened after being reset, and the alarm is controlled to stop giving an alarm;
when the door control switch is detected to be closed, the main power supply of the tire vulcanizing machine is cut off so as to stop the tire vulcanizing machine;
detecting whether a signal of a safety light curtain corresponding to the embryo manipulator is interrupted or not;
when the safety light curtain signal corresponding to the tire blank manipulator is interrupted, the safety indicator lamp of the tire blank manipulator is controlled to be turned off, the power supply of the tire blank manipulator is cut off to stop the manipulator from working, and meanwhile, a signal is sent to a tire vulcanizer PLC to control an alarm to give an alarm;
detecting whether the signal of a front safety light curtain of a main machine of the tire vulcanizer or the signal of an electromagnetic locking switch is interrupted;
if yes, the safety indicator lamp of the tire vulcanizer host is controlled to be turned off, the power supply of the tire vulcanizer host is cut off to stop the tire vulcanizer, and meanwhile, a signal is sent to the tire vulcanizer PLC to control the alarm to give an alarm.
By adopting the technical scheme, the safety of the tire vulcanizing machine is improved, and the injury to personnel caused by the fact that non-operating personnel mistakenly enter the tire vulcanizing machine during full-automatic production of the tire vulcanizing machine is avoided.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
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