CN220391715U

CN220391715U - Safety door protection device for assembly line

Info

Publication number: CN220391715U
Application number: CN202321874570.4U
Authority: CN
Inventors: 杨卫星; 钱争权; 朱建忠; 胡建松; 沈小华; 屠欢欢
Original assignee: Tongkun Group Co Ltd
Current assignee: Tongkun Group Co Ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2024-01-26
Anticipated expiration: 2033-07-17

Abstract

The utility model discloses a safety door protection device for an assembly line, which comprises a protection net, a door frame arranged on the protection net, a safety door arranged on the door frame and an emergency stop button, wherein an anti-entering mechanism is arranged on the inner side of the door frame, a driver for opening the anti-entering mechanism is arranged on one side of the door frame, an electromagnetic valve is further arranged on the door frame, the emergency stop button is connected with a power supply of equipment in the protection net through the electromagnetic valve, equipment in the protection net is controlled to be powered off after the emergency stop button is pressed and started, meanwhile, the driver is controlled to open the anti-entering mechanism after the emergency stop button is pressed and started, and operators normally enter maintenance and external personnel judge that the inside is overhauled by the opening state of the anti-entering mechanism. Not only can avoid the illegal actions of personnel in internal live operation and the like, but also can avoid the problem that other personnel restart the equipment because the equipment is not known to be in a maintenance state, thereby causing maintenance danger for production and maintenance personnel and improving the safety of assembly line operation.

Description

Safety door protection device for assembly line

Technical Field

The utility model relates to the technical field of safety protection devices, in particular to a safety door protection device for an assembly line.

Background

At present, in the production of yarn, packaging process, each position of assembly line generally can relate to automated equipment such as hacking machine, and this type of equipment is because can automatic operation, consequently, generally need carry out the separation through protection device such as protection network and emergency exit to avoid the staff mistake to go into wherein, current protection device generally has protection network, door frame, emergency exit and installs the scram button on the door frame to constitute, need press scram button when the maintenance and make equipment shut down and just can get into the maintenance after having a power failure, but nevertheless have following problem in the use operation process:

firstly, because the existing safety door is of a single door structure, the safety door can be opened to enter and exit, and because no forced measures are taken, operators can enter and overhaul in a non-stop state in many times; for example, operators can carry out live operation under the condition of forgetting or not shutting down, thereby causing potential safety hazards;

second, because current scram button is generally installed on the door frame, the opening and shutting of emergency exit is not correlated with equipment maintenance work itself, operating personnel often forgets to reset scram switch after the maintenance is accomplished, lead to the assembly line to use and make the staff need oneself to start, and outside reset personnel is because of unable judgement inside has someone, cause the condition of direct start scram button that resets very easily, when maintenance personnel in inside maintenance, if outside personnel do not know that someone is in the maintenance in the inside, when leading to the robot to be in running state once more after the scram button resets, just lead to inside operation personnel to put in danger easily, thereby cause life danger to inside operating personnel, therefore, need improve current protector.

Disclosure of Invention

In order to solve some or some technical problems existing in the prior art, the purpose of the application is to provide a safety door protection device for a production line, which can avoid the illegal behaviors of personnel in internal live operation and the like, improve the safety of the production line operation, avoid restarting equipment because other personnel are not aware that the equipment is in a maintenance state, cause the problem of maintenance danger for production and maintenance personnel, and provide better safety guarantee for maintenance and production personnel.

In order to solve the above-mentioned existing technical problem, this application adopts following technical scheme to realize:

the utility model provides a emergency exit protector for assembly line, includes the protection network, establishes the door frame on the protection network, install emergency exit on the door frame, establish emergency stop button in the door frame outside, its characterized in that: the inside of door frame is equipped with prevents into the mechanism, one side of door frame is equipped with to prevent into the driver that the mechanism opened, still be equipped with the solenoid valve on the door frame, scram button passes through the solenoid valve is connected with the equipment power in the protection network, the driver passes through the solenoid valve is controlled, through scram button presses the start-up after control equipment in the protection network cuts off the power supply, simultaneously, through scram button presses the start-up after control the driver is right prevent into the mechanism and open, through prevent into the open state of mechanism and make operating personnel normally get into maintenance and outside personnel judge inside someone and overhaul.

Preferably, the anti-entry mechanism comprises a rotating shaft arranged at one side of the door frame and a guardrail rotationally connected to the rotating shaft, the rotating shaft is rotationally connected with the guardrail through a bearing, one end of the guardrail is connected with the driver, and the guardrail is transversely blocked at the inner side of the safety door and rotationally removed through the driver.

Preferably, the length of the extending end of the guardrail is larger than the width of the door frame, and the height of the rotating shaft on the guardrail is 0.8-1.2 meters.

Preferably, the guardrail is a strip-shaped aluminum alloy section.

Preferably, the driver is a cylinder, and one end of the guardrail is rotatably connected to the end part of a piston rod of the driver.

Preferably, one end of the air cylinder is rotatably connected above the rotating shaft, and the extending end of the guardrail is turned to be in a horizontal state upwards after extending through a piston rod of the air cylinder.

Preferably, the air pipe of the air cylinder is communicated with the electromagnetic valve, air supply is stopped by closing the electromagnetic valve, and the piston rod extending out of the air cylinder is contracted after rotating downwards by the dead weight of the extending end of the guardrail.

Compared with the prior art, the utility model has the beneficial effects that:

through the combination of scram button, prevent going into mechanism, driver and solenoid valve, make operating personnel when getting into the maintenance, can standardize its operation, avoid it to directly open the door under the condition of not pressing scram button and get into the construction, simultaneously, through preventing the state of going into the mechanism, can make the inside someone of accurate judgement of outside personnel maintain, thereby effectually avoided other personnel to reset because of not knowing inside someone and the problem that the straightness scram button resets at the maintenance, pipeline operation's security has been promoted, provide better safety guarantee for maintenance and production personnel. The automatic emergency stop button can also play a role in reminding the maintenance personnel of resetting the emergency stop button after leaving, effectively avoids the problem that the maintenance personnel forget to reset the emergency stop button after finishing maintenance, and increases double-layer insurance for personnel safety entering the protective net.

Drawings

FIG. 1 is an external front view of the present utility model;

FIG. 2 is an interior front view of the present utility model;

FIG. 3 is an inside front view of the opening state of the entry prevention mechanism of the present utility model;

in the figure: 1. a safety door; 2. a protective net; 3. a door frame; 4. an entry prevention mechanism; 5. an emergency stop button; 6. an electromagnetic valve; 7. a driver; 8. guard bars; 9. a rotating shaft.

Detailed Description

The present application will be further described with reference to the drawings and detailed description, which should be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

In the description of the present application, it should be understood that the terms "upper," "lower," "left," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

The terms "first," "second," and the like in this application are used for distinguishing between similar objects and not for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

As shown in fig. 1 to 3, a safety door protection device for an assembly line comprises a protection net 2, a door frame 3 arranged on the protection net 2, a safety door 1 arranged on the door frame 3, and a scram button 5 arranged on the outer side of the door frame 3, wherein an anti-entry mechanism 4 is arranged on the inner side of the door frame 3, a driver 7 for opening the anti-entry mechanism 4 is arranged on one side of the door frame 3, an electromagnetic valve 6 is further arranged on the door frame 3, the scram button 5 is connected with a power supply of equipment in the protection net 2 through the electromagnetic valve 6, the driver 7 is controlled through the electromagnetic valve 6, equipment in the protection net 2 is controlled to be powered off after the scram button 5 is pressed and started, meanwhile, the driver 7 is controlled to open the anti-entry mechanism 4 after the scram button 5 is pressed and an operator normally enters maintenance and an external person judges that the inside is in a state of opening the anti-entry mechanism 4.

When the assembly line works normally, the anti-entering mechanism 4 is in a starting state through the driver 7, the emergency stop button 5 is in a resetting state, at the moment, the inlet and outlet of the protective net 2 form two units for preventing entering through the anti-entering mechanism 4 and the safety door 1, when the equipment in the protective net 2 needs to be maintained and the like, an operator presses the emergency stop button 5, the equipment is powered off through the emergency stop button 5 and simultaneously the electromagnetic valve 6 is powered off, so that the driver 7 is controlled to stop working through the electromagnetic valve 6, the anti-entering mechanism 4 is opened from the rear of the safety door 1, at the moment, after the safety door 1 is opened, the units for preventing entering are in an opening state, the operation of the operators can be standardized when the operators enter the maintenance, the operators are prevented from directly opening the door to enter the construction under the condition that the emergency stop button 5 is not pressed, and simultaneously, when the operators maintain the equipment internally, the safety door 1 is normally closed in the hand, at the moment, the entering prevention mechanism 4 is still in an open state, when an external person wants to start and reset the emergency stop button 5, whether an operator is overhauling can be judged directly through the state of the entering prevention mechanism 4, and after maintenance personnel is completed and the door is closed, the action of reminding the reset emergency stop button 5 can be also achieved through the state of the entering prevention mechanism 4, so that the operator can be effectively operated normally when entering maintenance, the occurrence of live working is avoided, meanwhile, the problem that equipment is started suddenly due to misoperation of the external person in the maintenance process can be avoided through the combination of the safety door 1 and the entering prevention mechanism 4, the situation that the robot is in an operation state to put the internal operator into danger due to misoperation of the personnel is prevented, double-layer insurance is added for the safety of personnel entering the protective net 2. Through the combination of scram button 5, prevent going into mechanism 4, driver 7 and solenoid valve 6, not only effectually avoided operating personnel's operation irregular problem, effectually avoided again forgetting the problem that resets scram button 5 after operating personnel's maintenance is accomplished, simultaneously still effectually avoided other personnel to reset because of unaware inside someone is in maintenance and direct degree scram button 5's problem, promoted pipeline operation's security, provided better safety guarantee for maintenance and production personnel.

The further improvement is that the anti-entering mechanism 4 comprises a rotating shaft 9 arranged on one side of the door frame 3, and a guardrail 8 rotationally connected to the rotating shaft 9, wherein the rotating shaft 9 is rotationally connected with the guardrail 8 through a bearing, one end of the guardrail 8 is connected with the driver 7, and the guardrail 8 is transversely blocked on the inner side of the safety door 1 and rotationally removed through the driver 7.

In the process of stopping an operator through the entry prevention mechanism 4, as one end of the guardrail 8 is rotationally connected to one side of the door frame 3 through the rotating shaft 9, and one end of the guardrail 8 is connected and controlled through the driver 7, the guardrail 8 can be transversely blocked at the inner side of the safety door 1 and rotationally moved away through the driver 7, when the guardrail 8 is transversely blocked at the inner side of the safety door 1 through the driver 7, the operator can not normally enter and exit when entering and exiting, unless the guardrail 8 is drilled or exaggerated, the operator can normally enter and exit only after the guardrail 8 is rotated through the driver 7 and moved away from the position transversely blocked between the door frames 3, thereby further standardizing the power failure operation of the operator, carrying out power failure processing in a certain range, preventing the misoperation of the operator to enable the robot to be in an operation state and place the internal operators in danger, and increasing double-layer safety for personnel entering the protective net 2. Meanwhile, the position of the guardrail 8 can enable an external person to accurately confirm whether the internal person exists. The rotating shaft 9 is rotationally connected with the guardrail 8 through a bearing, so that the flexibility is higher when the guardrail 8 is rotated.

The length of the extending end of the guardrail 8 is more than the width of the door frame 3, and the height of the rotating shaft 9 on the guardrail 8 is 0.8-1.2 meters; the guardrail 8 is a strip-shaped aluminum alloy section.

In order to better block the entrance, the length of the extending end of the guardrail 8 is generally larger than the width of the door frame 3, so that the guardrail 8 can realize omnibearing blocking when being blocked transversely, and the width of the door frame 3 is generally about 0.85m, therefore, the length of the guardrail 8 can be 1m, the extending end can be more than or equal to 0.85m, the height of the rotating shaft 9 on the guardrail 8 is generally about 1m, people can be just blocked from crossing, even if the guardrail is drilled into the door frame, the door frame is more troublesome, and the guardrail 8 can be well standardized to enter the standard operation of personnel. The guardrail 8 is a strip-shaped aluminum alloy section bar, is lighter in weight, is harder in material and is not easy to damage.

The technical scheme is further improved that the driver 7 is an air cylinder, and one end of the guardrail 8 is rotatably connected to the end part of a piston rod of the driver 7; one end of the air cylinder is rotatably connected above the rotating shaft 9, and the extending end of the guardrail 8 extends out through a piston rod of the air cylinder and then is turned over to be in a horizontal state; the air pipe of the air cylinder is communicated with the electromagnetic valve 6, air supply is stopped by closing the electromagnetic valve 6, and a piston rod extending out of the air cylinder is contracted after rotating downwards by the dead weight of the extending end of the guardrail 8.

The driver 7 adopts the cylinder, the cost is lower, control is more convenient, the piston rod flexible control through the cylinder rotates guardrail 8 fast, especially the cylinder passes through solenoid valve 6 control, and the one end of cylinder rotates and connects the top at pivot 9, when solenoid valve 6 is circular telegram, the cylinder starts, the piston rod outwards stretches out, thereby make guardrail 8 stretch out the end and upwards overturn the horizontal state after stretching out through the piston rod of cylinder, when solenoid valve 6 close and stop the air feed, because do not admit air in the cylinder, and guardrail 8 stretch out end length is big, can rotate down until falling down along pivot 9 through the dead weight, retract in the cylinder after the piston rod is upwards ejecting simultaneously, thereby realize opening guardrail 8's purpose, and when emergency stop button 5 resets, thereby start the cylinder again and reset guardrail 8, whole easy operation is convenient, the linkage is strong, can also play the suggestion effect to the operating personnel who leaves through the position of guardrail 8, avoid emergency stop button 5 not in time reset.

The above embodiments are only preferred embodiments of the present application, and the scope of the present application is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present application are intended to be within the scope of the present application.

Claims

1. The utility model provides a emergency exit protector for assembly line, includes protection network (2), establishes door frame (3) on protection network (2), install emergency exit (1) on door frame (3), establish emergency stop button (5) in door frame (3) outside, its characterized in that: the door frame is characterized in that an entering prevention mechanism (4) is arranged on the inner side of the door frame (3), a driver (7) for opening the entering prevention mechanism (4) is arranged on one side of the door frame (3), an electromagnetic valve (6) is further arranged on the door frame (3), an emergency stop button (5) is connected with a device power supply in the protective screen (2) through the electromagnetic valve (6), the driver (7) controls the electromagnetic valve (6), the emergency stop button (5) is pressed to start and then controls the device in the protective screen (2) to cut off power, and meanwhile, the driver (7) is controlled to open the entering prevention mechanism (4) after the emergency stop button (5) is pressed to start, and an operator normally enters maintenance and external personnel to judge that someone overhauls through the opening state of the entering prevention mechanism (4).

2. A safety door guard for a pipeline as claimed in claim 1, wherein: the anti-entry mechanism (4) comprises a rotating shaft (9) arranged on one side of the door frame (3), and a guardrail (8) rotationally connected to the rotating shaft (9), wherein the rotating shaft (9) is rotationally connected with the guardrail (8) through a bearing, one end of the guardrail (8) is connected with the driver (7), and the guardrail (8) is transversely blocked and rotationally removed from the inner side of the safety door (1) through the driver (7).

3. A safety door guard for a pipeline as claimed in claim 2, wherein: the length of the extending end of the guardrail (8) is larger than the width of the door frame (3), and the height of the rotating shaft (9) on the guardrail (8) is 0.8-1.2 meters.

4. A safety door guard for a pipeline as claimed in claim 3, wherein: the guardrail (8) is a strip-shaped aluminum alloy section.

5. A safety door guard for a pipeline as claimed in claim 2, wherein: the driver (7) is an air cylinder, and one end of the guardrail (8) is rotatably connected to the end part of a piston rod of the driver (7).

6. A safety door guard for a pipeline as claimed in claim 5, wherein: one end of the air cylinder is rotationally connected above the rotating shaft (9), and the extending end of the guardrail (8) is turned to be in a horizontal state upwards after extending through a piston rod of the air cylinder.

7. A safety door guard for a pipeline as claimed in claim 6, wherein: the air pipe of the air cylinder is communicated with the electromagnetic valve (6), air supply is stopped by closing the electromagnetic valve (6), and a piston rod extending out of the air cylinder is contracted after rotating downwards by the dead weight of the extending end of the guardrail (8).