CN210548504U - Intelligent protection system for cutting saw - Google Patents
Intelligent protection system for cutting saw Download PDFInfo
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- CN210548504U CN210548504U CN201920928440.1U CN201920928440U CN210548504U CN 210548504 U CN210548504 U CN 210548504U CN 201920928440 U CN201920928440 U CN 201920928440U CN 210548504 U CN210548504 U CN 210548504U
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Abstract
The utility model discloses a slitting saw intelligence protection system, include: the cutting saw comprises a motor, a cutting blade, a protection box and a handle, wherein an output shaft of the motor is connected with a rotating shaft of the cutting blade through a belt, the protection box is arranged on the outer side of the cutting blade, and the handle is fixed on the protection box; the human body inductive switch is arranged on the protection box and faces the cutting work area; an electromagnetic band-type brake structure is arranged on an output shaft of the motor; one end of the human body induction switch is connected with a contactor of the motor power supply, and the other end of the human body induction switch is connected with the electromagnetic band-type brake. Under the condition that the normal work of the cutting machine is not influenced, the safety performance of the cutting machine is greatly improved, and the operation safety of operators is guaranteed to the maximum extent.
Description
Technical Field
The utility model relates to a technical field is made in the cutting, concretely relates to slitting saw intelligent protection system.
Background
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and is not necessarily to be taken as an acknowledgement or any form of suggestion that this information constitutes prior art that is already known to a person skilled in the art.
In a machine and equipment manufacturing factory, a dicing saw is used to cut a metal raw material, and a motor generally drives a dicing saw wheel to rotate to cut the metal raw material. Because the workload is large, the staff who work for a long time is easy to touch the limbs of the cutting saw due to fatigue or thought relaxation and is not concentrated in energy, and further the personal injury is caused.
Disclosure of Invention
To the technical problem who exists among the above-mentioned prior art, the utility model aims at providing a slitting saw intelligence protection system. When the limb part of the operator enters the cutting range, the protection system can automatically cut off the power supply of the cutting saw and start the contracting brake system at the same time, so that the cutting saw is forced to stop rotating, and the personal safety of the operator is protected to the maximum extent.
In order to solve the technical problem, the technical scheme of the utility model is that:
a dicing saw smart protection system comprising:
the cutting saw comprises a motor, a cutting blade, a protection box and a handle, wherein an output shaft of the motor is connected with a rotating shaft of the cutting blade through a belt, the protection box is arranged on the outer side of the cutting blade, and the handle is fixed on the protection box;
the human body inductive switch is arranged on the protection box and faces the cutting work area;
an electromagnetic band-type brake structure is arranged on a rear shaft of the motor;
one end of the human body induction switch is connected with a contactor of the motor power supply, and the other end of the human body induction switch is connected with the electromagnetic band-type brake.
When an operator is tired or the operator is not concentrated in energy to cause the limb part to enter a cutting range, the human body induction switch can recognize according to the difference between the specific property of the human body and the metal material, send an instruction, cut off the power supply of the motor and start the electromagnetic band-type brake at the same time, force the output shaft of the motor to stop rotating instantly, ensure that after the power supply of the motor is cut off, the cutting piece is forced to stop rotating due to the action of the electromagnetic band-type brake, and further protect the safety of the operator.
In some embodiments, the body-sensing switch is a wide-angle body-sensing switch having a sensing angle of 100-120 °.
Can sense human body in a larger range, and further avoid the accidental injury of workers.
Furthermore, the model of the human body induction switch is LJY-RT-5J.
In some embodiments, the electromagnetic band-type brake structure is of the model number DLTZ 3.
In some embodiments, after the electromagnetic band brake is installed on the output shaft of the motor, a key is inserted into a key groove on the motor shaft to fix the electromagnetic band valve.
The motor is provided with a key groove, and processing is not needed.
In some embodiments, the electromagnetic band-type brake is connected with a power supply through a coil wiring. The electromagnetic band-type brake accesses the power supply signal into the coil through the coil wiring and executes a command sent by the human body inductive switch.
In some embodiments, the coil voltage of the contactor is AC 220V. The switch is responsible for switching on or switching off the power supply of the motor, one path of signal of the human body induction switch is connected with the switching-off loop of the contactor, and the contactor cannot be automatically started after the human body induction switch is restored.
Further, the contactor is model number GSC1(CJX 4).
The utility model has the advantages that:
a wide-angle (120-degree) human body inductive switch is arranged at a position, right opposite to a cutting working area, of the cutting protective cover, and the human body inductive switch is connected into a contracting brake starting loop and a power supply breaking loop. When the limb part enters the cutting range due to fatigue or lack of concentration of energy of an operator, the human body induction system can recognize and send an instruction to cut off the power supply of the cutting system and start the band-type brake system according to the difference between the specific property of the human body and the metal material, and the motor is forced to stop rotating instantly to ensure that the cutting power is cut off after the protection system is started and the cutting blade is forced to stop rotating due to the band-type brake action.
Under the condition that the normal work of the cutting machine is not influenced, the safety performance of the cutting machine is greatly improved, and the operation safety of operators is guaranteed to the maximum extent.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a circuit diagram of the cutting intelligent protection system of the embodiment of the present invention.
1. The cutting machine comprises a handle, 2, a human body induction switch, 3, a protection box, 4, a conveying belt, 5, a motor, 6, an electromagnetic holding valve, 7, a cutting operation table, 8 and a cutting piece.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1, a dicing saw intelligent protection system includes:
the cutting saw is of an existing structure (such as J3GC-400) and comprises a motor, a cutting blade, a protection box and a handle, wherein an output shaft of the motor is connected with a rotating shaft of the cutting blade through a belt, the protection box is arranged on the outer side of the cutting blade, and the handle is fixed on the protection box;
the human body inductive switch is arranged on the protection box and faces the cutting work area; the human body inductive switch is a wide-angle human body inductive switch, and the inductive angle is 100-120 degrees. The model of the human body induction switch is LJY-RT-5J.
An electromagnetic band-type brake structure is arranged on a rear shaft (the rear shaft is one end capable of being provided with a fan cover) of the motor; the model of the electromagnetic band-type brake structure is DLTZ 3. After the electromagnetic band-type brake is installed on an output shaft of the motor, a key is inserted into a key groove in a motor shaft, and the electromagnetic band-type valve is fixed. The electromagnetic band-type brake is connected with a power supply through a coil wiring. The electromagnetic band-type brake accesses the power supply signal into the coil through the coil wiring and executes a command sent by the human body inductive switch.
One end of the human body induction switch is connected with a contactor of the motor power supply, and the other end of the human body induction switch is connected with the electromagnetic band-type brake. The coil voltage of the contactor was AC 220V. The switch is responsible for switching on or switching off the power supply of the motor, one path of signal of the human body induction switch is connected with the switching-off loop of the contactor, and the contactor cannot be automatically started after the human body induction switch is restored. The contactor was model number GSC1(CJX 4).
A wide-angle (120-degree) human body induction switch is arranged at the protective cover of the cutting machine or on the cutting pressure rod, and the human body induction switch is firmly installed by a buckle locking device carried by the human body induction switch. An electromagnetic band-type brake system is arranged at a rear shaft of a motor for providing power for the cutting saw. As shown in fig. 2, the human body inductive switch is connected into the power supply loop of the cutting machine, and the normally closed point controlled by the human body inductive switch is connected in series into the control loop of the power supply contactor (the coil voltage is 220V) of the cutting machine, so as to ensure that the contactor of the cutting machine is tripped when the human body switch acts, and the power supply of the whole loop is lost. The normally open point controlled by the human body inductive switch is connected into the electromagnetic band-type brake system in series, so that the band-type brake system can act in time when the human body switch sends an instruction, and the motor stops running. The automatic power transmission mechanism is locked after the cutting machine is powered off due to the action of the human body inductive switch, power can be transmitted again only by manually confirming that the start button is pressed again safely to enable the cutting machine to operate, otherwise, the cutting machine is always in a power-off state, and safety is ensured.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (8)
1. The utility model provides a slitting saw intelligence protection system which characterized in that: the method comprises the following steps:
the cutting saw comprises a motor, a cutting blade, a protection box and a handle, wherein an output shaft of the motor is connected with a rotating shaft of the cutting blade through a belt, the protection box is arranged on the outer side of the cutting blade, and the handle is fixed on the protection box;
the human body inductive switch is arranged on the protection box and faces the cutting work area;
an electromagnetic band-type brake structure is arranged on a rear shaft of the motor;
one end of the human body induction switch is connected with a contactor of the motor power supply, and the other end of the human body induction switch is connected with the electromagnetic band-type brake.
2. The dicing saw smart protection system of claim 1, wherein: the human body inductive switch is a wide-angle human body inductive switch, and the induction angle is 100-120 degrees.
3. The dicing saw smart protection system of claim 2, wherein: the model of the human body induction switch is LJY-RT-5J.
4. The dicing saw smart protection system of claim 1, wherein: the model of the electromagnetic band-type brake structure is DLTZ 3.
5. The dicing saw smart protection system of claim 4, wherein: and after the electromagnetic band-type brake is arranged on an output shaft of the motor, the key is inserted into a key groove in a motor shaft to fix the electromagnetic band-type valve.
6. The dicing saw smart protection system of claim 1, wherein: the electromagnetic band-type brake is connected with a power supply through a coil wiring.
7. The dicing saw smart protection system of claim 1, wherein: the coil voltage of the contactor was AC 220V.
8. The dicing saw smart protection system of claim 7, wherein: the contactor is of the type GSC 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920928440.1U CN210548504U (en) | 2019-06-19 | 2019-06-19 | Intelligent protection system for cutting saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920928440.1U CN210548504U (en) | 2019-06-19 | 2019-06-19 | Intelligent protection system for cutting saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210548504U true CN210548504U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920928440.1U Active CN210548504U (en) | 2019-06-19 | 2019-06-19 | Intelligent protection system for cutting saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210548504U (en) |
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2019
- 2019-06-19 CN CN201920928440.1U patent/CN210548504U/en active Active
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