CN219849383U

CN219849383U - Safety protection device for uncapped kneading machine

Info

Publication number: CN219849383U
Application number: CN202223407250.6U
Authority: CN
Inventors: 呼正彪; 卢巍; 武鑫; 高巧利; 杨炜
Original assignee: Yulin Zhongke Clean Energy Innovation Research Institute
Current assignee: Yulin Zhongke Clean Energy Innovation Research Institute
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-10-20
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses a safety protection device for a kneader after uncapping, and belongs to the field of catalyst production equipment. The safety protection device comprises an upper cover of the kneader, a lower cover body of the kneader, a controller and an operation cabinet of the kneader; the controller comprises a contact actuator, a contact metal sheet and a contact; the contact actuator is arranged on the upper cover of the kneader; the contact metal sheet and the contact are arranged on the lower cover body of the kneader; the controller is connected with the kneader operation cabinet through a control line. When the cover of the kneader is opened for overhauling or cleaning materials, even if a person erroneously operates the power transmission and starts the starting button of the motor, the motor still cannot be started under the action of the controller, and the personal safety of the worker can be effectively protected.

Description

Safety protection device for uncapped kneading machine

Technical Field

The utility model relates to a safety protection device for a kneader after uncapping, belonging to the field of catalyst production equipment.

Background

The kneader is an important device for mixing catalyst, materials and the like, and is widely used in the fields of catalyst, materials, food and the like. The core component is a pair of mutually matched and rotating blades, and the materials between the blades are kneaded and stirred through the strong shearing action generated by the blades, so that the aim of mixing is fulfilled. Although the rotational speed of the kneader blades is not high, the torque is large, and if an operator carelessly stretches hands between the rotating blades, injuries such as fracture and the like are liable to occur. Especially when the kneader is overhauled or the material attached to the blades is cleaned, the manual operation is needed, and if the motor is in a starting state at this time, the kneading shaft is driven to rotate, so that serious injury is caused to workers. Most of the kneading machines in the market are not provided with any linkage protection device, so the hidden trouble exists. It is therefore desirable to design a device that prevents the kneading shaft motor from rotating when the kneader lid is opened, so as to avoid hidden danger.

Disclosure of Invention

When the kneader is overhauled or cleaned, the safety protection method of the traditional kneader is to cut off the power supply of the kneader to ensure the safety of personnel.

According to the control circuit, the controller is arranged at the joint of the kneader cover and connected with the start button and the stop button of the motor to form a control circuit, the working state of the controller is in an opening state and a closing state, and the motor cannot be started when the controller is in the opening state, namely the kneader cover is opened; the controller presses the motor start button again under the state of closing, namely the state that the kneading machine lid is in the closure, and the motor just can start to avoid realizing the guarantee to staff because the maloperation.

The safety protection device comprises an upper cover of the kneader, a lower cover body of the kneader, a controller and an operation cabinet of the kneader;

the controller comprises a contact actuator, a contact metal sheet and a contact;

the contact actuator is arranged on the upper cover of the kneader;

the contact metal sheet and the contact are arranged on the lower cover body of the kneader;

the controller is connected with the kneader operation cabinet through a control line.

Optionally, the controller is arranged at the joint of the upper cover of the kneader and the lower cover body of the kneader.

Optionally, the kneader control cabinet comprises a start button and a stop button.

Optionally, the contact metal sheet includes an upper contact metal sheet and a lower contact metal sheet;

the contacts comprise an upper contact and a lower contact.

The utility model has the beneficial effects that:

1) According to the safety protection device for the cover of the kneader, provided by the utility model, after the controller is arranged on the cover of the kneader, the personal safety of a worker can be doubly protected under the condition that a power supply is cut off, and the worker can effectively protect the personal safety of the worker even if the worker erroneously operates the power transmission and executes the start button of the motor when the worker overhauls the cover of the kneader or cleans materials.

Drawings

FIG. 1 is a schematic diagram of the installation of a safety controller for a kneader.

Fig. 2 is a schematic diagram of the controller in a closed state.

Fig. 3 is a schematic diagram of the controller off state.

List of parts and reference numerals:

1-a kneader upper cover; 2-a lower cover body of the kneader; 3-the joint surface of the cover body of the kneader; 4-mounting a contact actuator on the upper part of the controller; 5-contact metal sheets on the controller; 6-contacts on the controller; 7-a controller lower contact; 8-a lower contact metal sheet of the controller; 9-connecting the controller with a control line of the kneader operation cabinet; 10-a kneader operation cabinet; 11-a kneader start button; 12-kneader stop button; 13-a slider; 14-a spring piece; 15-moving block

Detailed Description

The present utility model is described in detail below with reference to examples, but the present utility model is not limited to these examples.

Example 1:

the safety controller consists of an upper part and a lower part, wherein the upper part is arranged on an upper cover of the kneader, the lower part is arranged on a lower body of the kneader, the main functions of the upper part are a main executive component for executing the closing and the opening of the controller, and the lower part is used for connecting or disconnecting a circuit under the working of the upper component to form a complete controller which is connected with a start operation button and a stop operation button of an operation cabinet of the kneader, thereby realizing the safety protection function of the kneader under the uncapping state.

Example 2:

the controller is arranged on the kneader and is divided into an upper part and a lower part, the upper part is connected with an upper cover of the kneader, the lower part is arranged on a lower machine body of the kneader, and an operation circuit of the kneader can be switched on only when the controller is integrated, so that starting and stopping commands are executed. The kneader after the controller is installed can realize the safety guarantee for the staff, and the requirement of the patent is also realized.

Example 3:

under normal conditions, the starting and stopping functions of the kneader can be realized on the operation cabinet, and the starting and stopping functions of the motor of the kneader can be realized only by executing the starting and stopping on the operation cabinet, but after the controller is installed, the controller directly controls the power supply of the motor, so that the starting of the motor can be realized only when the circuit of the controller is in a connection state; the principle of the controller is that the controller is shown in fig. 2 and 3, the state of fig. 2 is that the upper cover and the lower cover of the kneader are closed, after the upper cover and the lower cover of the kneader are closed, the movable block is driven to lift up, the sliding block moves upwards, the contacts are closed, and the circuit is closed, so that the motor can be started in the state. The state of fig. 3 is a state that the upper cover and the lower cover of the kneader are opened, after the upper cover of the kneader is opened, the movable block moves downwards under the action of the spring piece to drive the sliding block to move downwards, so that the contact is disconnected, a circuit is disconnected, and the motor cannot be started in the state. The start and stop of the motor can be realized only in the "closed" operating state of the controller. The controller is in an open state, namely the kneader is in a cover opening state, and the controller is in an open state, even if the kneader operation cabinet executes a start button, the motor cannot be started because a control circuit is not communicated; the motor can be started only when the controller is in a closed state, namely, the upper cover of the kneader is in a tight state with the machine body, the circuit of the controller is connected, and the operation cabinet executes a command.

While the utility model has been described in terms of preferred embodiments, it will be understood by those skilled in the art that various changes and modifications can be made without departing from the scope of the utility model, and it is intended that the utility model is not limited to the specific embodiments disclosed.

Claims

1. The safety protection device after the cover of the kneader is opened is characterized by comprising an upper cover of the kneader, a lower cover body of the kneader, a controller and an operation cabinet of the kneader;

the contact actuator is arranged on the upper cover of the kneader;

2. The safety arrangement according to claim 1, wherein the controller is provided at the junction of the kneader upper cover and the kneader lower cover.

3. The safety arrangement according to claim 1, wherein the kneader operation cabinet comprises a start button, a stop button.

4. The safety protection device of claim 1, wherein the contact sheet metal comprises an upper contact sheet metal, a lower contact sheet metal;

the contacts comprise an upper contact and a lower contact.