1. The utility model provides an electric screwdriver that can mistake proofing, its characterized in that, includes electric screwdriver main part (1), one side of electric screwdriver main part (1) is provided with electric motor casing (2), electric motor casing (2) inner chamber is provided with electric motor, just electric motor's axial region is connected with tool bit holder (3), the screwdriver bit that matches and suitably select with the screw that becomes the object is installed in the mode that can dismantle to tool bit holder (3), bottom one side of electric screwdriver main part (1) is provided with handle (4), handle (4) bottom is provided with detachable battery (5), just electric screwdriver main part (1) inner chamber is provided with control circuit.

2. The error-proofed electric screwdriver as claimed in claim 1, wherein the control circuit comprises:

the data acquisition unit is used for recording data generated when the electric screwdriver body (1) screws;

and the communication unit is used for transmitting the acquired data to the information recording unit of other control circuits with receiving functions and receiving the set data transmitted by the other control circuits in the data acquisition unit.

3. The error-proofing electric screwdriver according to claim 2, wherein the communication unit is a wireless transceiver module.

4. Error-proof electric screwdriver according to claim 1, characterized in that the handle (4) is provided with a control button (6) for controlling the starting or closing of the electric screwdriver body (1).

5. A controller, characterized in that it can be connected with the electric screwdriver body (1) of any one of claims 1 to 4 which is separate from the controller, and the controller controls the electric screwdriver which is connected with communication.

6. The controller according to claim 5, wherein the controller is capable of being connected with and controlling the plurality of electric screw drivers in communication, and is used for recording data generated when the plurality of electric screw drivers connected in communication tighten screws and sending the data to other terminal equipment, and meanwhile, the controller is used for receiving commands sent by other control circuits and forwarding the commands to the plurality of electric screw drivers connected with the controller.

7. The controller according to claim 5, wherein the controller comprises a circuit board, a power circuit and a network communication module, and the circuit board is provided with a processor and a wireless communication module; wherein the content of the first and second substances,

the network communication module is used for being connected with the terminal equipment, receiving a command sent by the equipment terminal and sending data received from the electric screwdriver to the terminal equipment;

the power supply circuit is used for supplying power to the power supply circuit;

the circuit board is connected with a serial port interface;

the processor is used for analyzing and processing the received data.

8. A computer tightening system capable of communicating with a controller as claimed in any one of claims 5 to 7 of the computer tightening system, wherein an acceptable torque threshold is set by the tightening system and sent to the controller for forwarding to a power screwdriver, and wherein the tightening data of the power screwdriver is detected by the tightening system.

9. The computer tightening system according to claim 8, wherein the tightening system is provided in a terminal device, and the tightening system can set and detect a direction, a duration, and a torque, and the tightening system comprises:

the detection unit is used for detecting the direction and the torque of a screw screwed by the electric screwdriver in time;

the setting unit is used for setting the qualified torque threshold, the duration and the direction of the electric screwdriver;

the judging unit is used for judging whether the direction and the torque of the screw screwed by the electric screw driver are consistent with the set values or not;

a display unit for displaying each numerical value;

and the storage unit is used for storing the data.

10. A computer tightening system according to claim 9, wherein the device terminal comprises a tablet or a computer.

Background

In the screw tightening operation, the current electric screwdriver cannot count the torque and the tightening result, and cannot ensure the final quality of diversified and complex tightening assembly.

The existing screwing result judging method comprises the following steps: the electric screwdriver detects the waveform characteristics of the internal current A and the duration L to judge normal and abnormal results, and the numerical value is fixed and is not adjustable;

the system cooperation principle is as follows: the architecture is MQQT server + processing equipment + electric screwdriver, and MQQT server is the system backbone, and the server sends product and process information to processing equipment, and processing equipment wired communication gathers screwdriver information.

Therefore, the existing error-proofing functional system is in wired connection, is inconvenient for large equipment assembly, has single standard parameter for judging qualification or abnormity, is not suitable for error proofing of an assembly system of the torque-adjustable electric screwdriver, has complex centralized system and high cost, and sometimes needs a decentralized distributed system in a product line.

Disclosure of Invention

The present invention is directed to an error-proof electric screwdriver, a controller and a computer tightening system to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a but mistake proofing's electric screwdriver, includes the electric screwdriver main part, one side of electric screwdriver main part is provided with the electric motor casing, electric motor casing inner chamber is provided with electric motor, just electric motor's axial region is connected with the tool bit holder, the tool bit holder is used for the mode that can dismantle to install and match with the screw that becomes the object and the screwdriver bit of suitably selecting out, bottom one side of electric screwdriver main part is provided with the handle, the handle bottom is provided with the detachable battery, just electric screwdriver main part inner chamber is provided with control circuit.

As a further scheme of the invention: the control circuit includes:

the data acquisition unit is used for recording data generated when the electric screwdriver body screws;

and the communication unit is used for transmitting the acquired data to the information recording unit of other control circuits with receiving functions and receiving the set data transmitted by the other control circuits in the data acquisition unit.

As a still further scheme of the invention: the communication unit is a wireless transceiver module.

As a still further scheme of the invention: the handle is provided with a control button for controlling the electric screwdriver body to start or close.

The invention also relates to a controller which can be in communication connection with the electric screwdriver body and controls the electric screwdriver in communication connection.

As a still further scheme of the invention: the controller can be in communication connection with the plurality of electric screw drivers and controls the plurality of electric screw drivers which are in communication connection, the controller is used for recording data generated when the plurality of electric screw drivers which are in communication connection tighten screws and sending the data to other terminal equipment, and meanwhile the controller is used for receiving commands sent by other control circuits and forwarding the commands to the plurality of electric screw drivers which are connected with the controller.

As a still further scheme of the invention: the controller comprises a circuit board, a power circuit and a network communication module, wherein the circuit board is provided with a processor and a wireless communication module; wherein the content of the first and second substances,

the network communication module is used for being connected with the terminal equipment, receiving a command sent by the equipment terminal and sending data received from the electric screwdriver to the terminal equipment;

the power supply circuit is used for supplying power to the power supply circuit;

the circuit board is connected with a serial port interface;

the processor is used for analyzing and processing the received data.

The invention also relates to a computer tightening system which can be in communication connection with the controller, the tightening system sets a qualified torque threshold value, sends the qualified torque threshold value to the controller and forwards the qualified torque threshold value to the electric screwdriver, and meanwhile, the tightening system can detect tightening data of the electric screwdriver.

As a still further scheme of the invention: the system of screwing up sets up in terminal equipment, just the system of screwing up can set for and detect direction, duration and moment of torsion, just the system of screwing up includes:

the detection unit is used for detecting the direction and the torque of a screw screwed by the electric screwdriver in time;

the setting unit is used for setting the qualified torque threshold, the duration and the direction of the electric screwdriver;

the judging unit is used for judging whether the direction and the torque of the screw screwed by the electric screw driver are consistent with the set values or not;

a display unit for displaying each numerical value;

and the storage unit is used for storing the data.

As a still further scheme of the invention: the device terminal comprises a tablet or a computer.

Compared with the prior art, the invention has the beneficial effects that:

1. the electric screwdriver and the hot spot controller for relay use in the invention adopt wireless communication to receive and transmit data, are convenient for moving and screwing in a large range, and can conveniently go deep into the large-scale equipment for assembly without being pulled by cables, thereby being more beneficial to the working and being convenient for the assembly mistake-proofing requirement of large-scale complex equipment.

2. The invention can count all tightening action results to further realize the error-proofing target, can count more parameters, is beneficial to quality management, and tightening parameters (torque, duration and results) detected by the electric screwdriver can be wirelessly sent to the controller, and the qualification judgment threshold value of the electric screwdriver can be set in a wireless mode, so that the error proofing of multi-torque tightening operation is convenient.

3. The process and parameters can be set through the tablet/computer management software on the station site, the result is counted and all data are stored, so that the system can be compatible with centralized and distributed modes, the wireless communication function is added on the tablet/computer, the software function of the controller is transplanted to the tablet/computer, the controller can be omitted, the tablet/computer can be directly communicated with the electric screwdriver, and the cost can be reduced.

Drawings

Fig. 1 is a schematic structural view of an error-proof electric screwdriver.

Fig. 2 is a connection diagram of an error-proofing power screwdriver, controller and computer tightening system.

Fig. 3 is a schematic structural diagram of a controller.

Fig. 4 is a flow chart of the operation of the error-proof electric screwdriver.

Fig. 5 is a flow chart of the operation of a controller.

FIG. 6 is a flow chart of the operation of a computer tightening system.

Fig. 7 is a flow chart of a mistake proofing power screwdriver, controller and computer tightening system cooperation.

In the figure: 1. an electric screwdriver body; 2. an electric motor housing; 3. a bit holder; 4. a handle; 5. a battery; 6. and a control button.

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.

Referring to fig. 1 to 7, in an embodiment of the present invention, an error-proofing electric screwdriver includes an electric screwdriver body 1, an electric motor housing 2 is disposed on one side of the electric screwdriver body 1, an electric motor is disposed in an inner cavity of the electric motor housing 2, a bit holder 3 is connected to a shaft portion of the electric motor, a screwdriver bit properly selected to match a target screw is detachably mounted on the bit holder 3, a handle 4 is disposed on one side of a bottom of the electric screwdriver body 1, a detachable battery 5 is disposed at a bottom of the handle 4, and a control circuit is disposed in the inner cavity of the electric screwdriver body 1.

The control circuit includes: the data acquisition unit is used for recording data generated when the electric screwdriver body 1 screws; and the communication unit is used for transmitting the acquired data to the information recording unit of other control circuits with receiving functions and receiving the set data transmitted by the other control circuits in the data acquisition unit.

The communication unit is a wireless transceiver module.

The handle 4 is provided with a control button 6 for controlling the electric screwdriver body 1 to start or close.

The working process of the electric screwdriver comprises the following steps:

at the beginning, the locking mark is read and judged, if the default unlocking detection parameter is detected, at the moment, the memory reads the hot spot controller, when the hot spot controller is detected, the locking device is connected with the hot spot controller and judges the locking mark, when the locking device is in an unlocking state, the data is detected and sent through the enabling button, then refreshing the set parameters, then repeating the steps from the judgment of the locking mark, directly refreshing the set parameters when the state is locked, then, the locking mark is judged to go back and forth, when the hot spot controller is not detected, the pairing special controller can be connected, if the pairing special controller is not connected, the pairing special controller can be repeatedly tried for a plurality of times, when connecting, sending serial number to request match, if not receiving match information, repeating the trial and error, after receiving match information, saving the hotspot controller, interrupting the connection with the configuration controller, and then starting with the step of connecting the hotspot controller.

The present invention also relates to a controller which can be connected to the electric screwdriver body 1 in a communication manner and controls the electric screwdriver connected in the communication manner.

The controller can be in communication connection with the plurality of electric screw drivers and controls the plurality of electric screw drivers which are in communication connection, the controller is used for recording data generated when the plurality of electric screw drivers which are in communication connection tighten screws and sending the data to other terminal equipment, and meanwhile the controller is used for receiving commands sent by other control circuits and forwarding the commands to the plurality of electric screw drivers which are connected with the controller.

The controller comprises a circuit board, a power circuit and a network communication module, wherein the circuit board is provided with a processor and a wireless communication module; the network communication module is used for being connected with the terminal equipment, receiving a command sent by an equipment terminal and sending data received from the electric screwdriver to the terminal equipment; the power supply circuit is used for supplying power to the power supply circuit; the circuit board is connected with a serial port interface; the processor is used for analyzing and processing the received data.

The work flow of the controller is as follows:

when the electric screwdriver starts, wireless and wired communication is started, communication messages are waited, if no messages exist, the electric screwdriver continuously waits, when messages exist, pairing information serial numbers, torque intervals, locking parameters and passwords sent by terminal equipment are received, parameters or commands sent by a wired network are received and forwarded to the electric screwdriver, serial numbers and tightening data of the electric screwdriver are received, integrity of the data is verified and forwarded to a computer, and parameters set by the computer are fed back to the electric screwdriver.

The invention also relates to a computer tightening system which can be in communication connection with the controller, the tightening system sets a qualified torque threshold value, sends the qualified torque threshold value to the controller and forwards the qualified torque threshold value to the electric screwdriver, and meanwhile, the tightening system can detect tightening data of the electric screwdriver.

The system of screwing up sets up in terminal equipment, just the system of screwing up can set for and detect direction, duration and moment of torsion, just the system of screwing up includes: the detection unit is used for detecting the direction and the torque of a screw screwed by the electric screwdriver in time; the setting unit is used for setting the qualified torque threshold, the duration and the direction of the electric screwdriver; the judging unit is used for judging whether the direction and the torque of the screw screwed by the electric screw driver are consistent with the set values or not; a display unit for displaying each numerical value; and the storage unit is used for storing the data.

The device terminal comprises a tablet or a computer.

And (3) a working process of a screwing system:

starting software, entering a setting interface, reading an assembly part serial number sent by a scanning gun, setting parameters, a screw total amount, a screwdriver serial number, a locking state and a controller serial number, clicking an operation button, sending starting and unlocking to a controller, carrying out a lamp strip controller message, analyzing and counting tightening data when receiving the data, judging whether the qualified number reaches the total amount, if so, finishing the operation, sending a locking command, and if not, continuing the operation through a controller message waiting step.

The working principle of the invention is as follows:

when in use, the controller is wirelessly connected with the electric screwdriver and is connected with the terminal equipment which is used for setting parameters and commands, and sends the starting and unlocking to the controller, the controller receives the command of the terminal equipment and transmits the command to the electric screw driver, the electric screw driver refreshes the set parameters according to the command transmitted by the controller, then the work is carried out, the data generated after the work is sent to the controller, the controller receives the data and forwards the data to the terminal equipment, the terminal equipment receives the received data, judges whether the qualified quantity reaches the total quantity or not, sends the judged result to the electric screwdriver through the controller, if the qualified quantity reaches the total quantity, and sending a locking command, if the data is not qualified, controlling the electric screwdriver to continue working until the data is qualified, and simultaneously storing and resetting the data by the terminal equipment.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.