Emergency protection device used after power failure of mechanical arm

Abstract

The utility model discloses an emergency protection device after power failure of a manipulator, which belongs to the technical field of power failure emergency protection of the manipulator of a vulcanizing machine and comprises the manipulator, a stop valve group is mounted at the outer end of the manipulator and comprises a first three-way valve mounted on one side of the manipulator, and the first three-way valve is communicated with the manipulator through a pipeline. A second three-way valve is further arranged on one side of the first three-way valve, a second stop valve is installed at the upper end of the second three-way valve, a communicating pipe is installed between the second three-way valve and the first three-way valve, a water inlet pipe is installed at the lower end of the second three-way valve, and a water return pipe is installed at the left side end of the second three-way valve. The stop valve group is additionally arranged on the outer side of the manipulator, so that the stop valve automatically returns to the original position under the conditions of sudden power failure and water cut-off, water in the water tank cannot be lost, and the manipulator is still stressed, so that the situation that the manipulator descends by itself due to power failure and power cut-off is avoided, and the safety of personnel and the safety of the manipulator are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the power failure emergency protection technical field of vulcanizing machine manipulator, more particularly to a kind of emergency protection device after mechanical hand power failure. BACKGROUND

[0002] Vulcanizing machine manipulator is a kind of equipment for the automatic production of tires and other rubber products. It is mainly used to lift the green tire from the tire holder and send it to the mold for positioning, inflation molding, and take out the finished product after vulcanization. The design of vulcanizing machine manipulator aims to improve production efficiency, reduce manual operation and ensure the consistency of product quality.

[0003] Specifically, the functions of vulcanizing machine manipulator include:

[0004] Tire grabbing and positioning: the manipulator can lift the green tire from the tire holder and accurately place it on the mold, ensuring the correct position of the tire during vulcanization.

[0005] Inflation molding: during the tire vulcanization process, the manipulator helps the tire shape by inflation, ensuring that the shape and size of the tire meet the requirements.

[0006] Tire taking: after vulcanization is completed, the manipulator is responsible for taking out the finished tire from the mold, preparing for the next step.

[0007] In addition, the design of vulcanizing machine manipulator takes into account the shape and size of the tire to ensure that the tire or mold is not damaged during grabbing and placing. The performance and quality of the manipulator have a significant impact on the uniformity of the tire, so professional manufacturers pay special attention to the improvement and optimization of the manipulator

[0008] However, at present, during normal production of vulcanizing machine, and when the power water pressure is 2.2MPa, the manipulator is in normal state during rising / descending. When unexpected sudden water and power failure occurs between the factory and equipment, the manipulator will automatically descend due to the lack of power and power water supply, which will cause the tire embryo to be crushed during operation, and if personnel stand under the manipulator, it may also cause personnel injury due to the sudden descent of the manipulator. Therefore, the present scheme proposes an emergency protection device after mechanical hand power failure. SUMMARY

[0009] 1. Technical problem to be solved

[0010] In view of the problems in the prior art, the utility model discloses a kind of emergency protection devices after mechanical hand power failure, by increasing cut-off valve group on the outside of mechanical hand, in the case where power failure, cut-off valve automatically returns to original position, let water in water cylinder cannot lose, ensure that mechanical hand is still stressed, to reach the situation that mechanical hand will not be lowered due to power failure, broken power water, ensure the safety of personnel and embryo.

[0011] 2. Technical scheme

[0012] To solve the above problems, the utility model adopts the following technical scheme.

[0013] A kind of emergency protection devices after mechanical hand power failure, including mechanical hand, cut-off valve group is installed at the outer end of the mechanical hand, the cut-off valve group includes three-way valve one installed on the one side of mechanical hand, three-way valve one is communicated with mechanical hand by pipeline, cut-off valve one is installed at the outer end of three-way valve one, three-way valve one side is further provided with three-way valve two, cut-off valve two is installed at the upper end of three-way valve two, communication pipe is installed between three-way valve two and three-way valve one, water inlet pipe is installed at the lower end of three-way valve two, return pipe is installed at the left side end of three-way valve two.

[0014] Further, the bottom end of the three-way valve one is provided with a sealing.

[0015] Further, the cut-off valve one is provided with an always open state.

[0016] 3. Advantage

[0017] Compared with prior art, the utility model has the advantages that:

[0018] The utility model increases cut-off valve group on the outside of mechanical hand, in the case where power failure, cut-off valve automatically returns to original position, let water in water cylinder cannot lose, ensure that mechanical hand is still stressed, to reach the situation that mechanical hand will not be lowered due to power failure, broken power water, ensure the safety of personnel and embryo.

[0019] The cut-off valve one of the utility model is provided with an always open state, to ensure that mechanical hand is continuously stressed, so that mechanical hand is still stressed in the case where power failure, broken water, to avoid sudden dangerous phenomenon. DRAWINGS

[0020] Fig. 1 It is the structure schematic diagram of the utility model as a whole;

[0021] Fig. 2 It is the PLC program control diagram of the utility model mechanical hand.

[0022] Mark explanation in drawing:

[0023] 1, mechanical hand; 2, three-way valve one; 3, cut-off valve one; 4, three-way valve two; 5, cut-off valve two; 6, communication pipe; 7, water inlet pipe; 8, backwater pipe. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] In the description of the utility model, it should be pointed out that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the utility model, it should be pointed out that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood broadly, for example, "connected" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] Embodiment:

[0028] Please refer to Figs. 1-2 An emergency protection device for a mechanical hand after power failure, comprising a mechanical hand 1, a cut-off valve group is installed at the outer end of the mechanical hand 1, the cut-off valve group comprises a three-way valve one 2 installed on one side of the mechanical hand 1, the three-way valve one 2 is communicated with the mechanical hand 1 through a pipeline, a cut-off valve one 3 is installed at the outer end of the three-way valve one 2, a three-way valve two 4 is further arranged on one side of the three-way valve one 2, a cut-off valve two 5 is installed at the upper end of the three-way valve two 4, a communication pipe 6 is installed between the three-way valve two 4 and the three-way valve one 2, a water inlet pipe 7 is installed at the lower end of the three-way valve two 4, and a backwater pipe 8 is installed at the left end of the three-way valve two 4.

[0029] Further, the bottom end of the three-way valve one 2 is provided with a sealing.

[0030] Further, the cut-off valve one 3 is always open.

[0031] In the use process, in order to avoid the existing mechanical hand from suddenly cutting off water and power due to accidents, the mechanical hand automatically drops, causing the tire embryo to be damaged, and the phenomenon of personnel standing under the mechanical hand and being injured by the drop occurs.

[0032] In the embodiment, by adding a cut-off valve group and modifying the original water running structure, when the mechanical hand 1 cuts off water and power during use, the cut-off valve one 3 still supplies compressed air for lifting, the cut-off valve two 5 returns to the original position, the water in the water cylinder cannot be lost, and the internal power water between the three-way valve two 4, the three-way valve one 2 and the mechanical hand 1 is guaranteed to bear stress, so that the mechanical hand will not automatically drop due to power cut-off and power water cut-off, the personnel standing under the mechanical hand and the tire embryo working under the mechanical hand are guaranteed to be safe, the safety is greatly improved, and the safety hidden danger is reduced.

[0033] The above is only a preferred specific implementation manner of the present application; however, the protection scope of the present application is not limited to this. Any person skilled in the art, according to the technical scheme and the improvement concept of the present application, should be covered in the protection scope of the present application, by equivalent replacement or change within the technical range disclosed by the present application.

Claims

1. An emergency protection device after power-off of a robot, comprising a robot (1), characterized in that: The outer end of the mechanical arm (1) is provided with a cut-off valve group, the cut-off valve group comprises a three-way valve I (2) installed on one side of the mechanical arm (1), the three-way valve I (2) is communicated with the mechanical arm (1) through a pipeline, the outer end of the three-way valve I (2) is provided with a cut-off valve I (3), one side of the three-way valve I (2) is further provided with a three-way valve II (4), the upper end of the three-way valve II (4) is provided with a cut-off valve II (5), the three-way valve II (4) and the three-way valve I (2) are provided with a communication pipe (6), the lower end of the three-way valve II (4) is provided with a water inlet pipe (7), and the left end of the three-way valve II (4) is provided with a water return pipe (8).

2. The emergency protection device for a robot after power-off according to claim 1, characterized in that: The bottom end of the three-way valve I (2) is provided with a sealing structure.

3. The emergency protection device for a robot after power-off according to claim 1, characterized in that: The cut-off valve I (3) is provided with an always open state.

Images