CN-122007518-A - Electric tool and control method thereof

Abstract

The application provides an electric tool and a control method thereof, wherein the electric tool comprises a main body mechanism, the main body mechanism comprises a shell, a driving mechanism is arranged in the shell, a first groove is formed in a first surface of the shell and used for placing a tool accessory, the driving mechanism is used for driving the first tool accessory to move, the driving mechanism comprises an elastic piece and a guide rail, the elastic piece is arranged in the guide rail, elastic force generated by the elastic piece acts on the driving mechanism in the process of machining a workpiece by the first tool accessory, the driving mechanism and the first tool accessory move in the axial direction of the shell, and the guide rail limits the driving mechanism to swing left and right.

Inventors

• Fan Weihou

Assignees

• 徕福机器人(深圳)有限公司

Dates

Publication Date

20260512

Application Date

20240910

Claims (20)

1. 1. A power tool, comprising: The main body mechanism comprises a shell, wherein a driving mechanism is arranged in the shell, a first groove is formed in the first surface of the shell, the first groove is used for placing a tool accessory, and the driving mechanism is used for driving the first tool accessory to move; the driving mechanism comprises an elastic piece and a guide rail, and the elastic piece is arranged in the guide rail; in the process of machining a workpiece by the first tool accessory, the elastic force generated by the elastic piece acts on the driving mechanism, the driving mechanism and the first tool accessory move in the axial direction of the shell, and the guide rail limits the driving mechanism to swing left and right.
2. 2. The power tool of claim 1, wherein the body mechanism further comprises a depth sensor for acquiring a depth of work performed by the first tool attachment; And initializing the depth of the first tool accessory to the workpiece, which is acquired by the depth sensor, to be a first value when the first tool accessory is replaced by a second tool accessory or the machining initial plane of the workpiece is changed.
3. 3. The power tool according to claim 1 or 2, further comprising: A first component spliced with the housing, the first component including a first channel therein; Wherein the first tool attachment is movable within the first passageway, and wherein a first force applied by a user to the housing when the first tool attachment contacts a workpiece surface acts on the housing, the housing and the first member being movable in an axial direction of the housing to bring the first member into contact with the workpiece surface.
4. 4. The power tool of claim 3, wherein the first channel comprises N channels, the first tool attachment comprises M tool attachments, and the first recess comprises N recesses, wherein N is a positive integer greater than or equal to 1, and N is greater than or equal to M.
5. 5. A power tool according to claim 2 or claim 3, wherein the first tool attachment is perpendicular to the surface of the workpiece when the first member is in contact with the surface of the workpiece.
6. 6. The power tool of any one of claims 3-5, wherein the first component comprises a support structure comprising N points at which the first component contacts a surface of a workpiece.
7. 7. The power tool of claim 6, wherein the first member has a telescoping structure; The telescopic structure is arranged in the supporting structure, or The first component further comprises a first structure connected to the support structure to form the telescoping structure, the length of the first component being related to the connection between the first structure and the support structure.
8. 8. The power tool of claim 7, wherein the relative angle of the first structure and the support structure is adjustable.
9. 9. The power tool of any one of claims 3-8, wherein the first member is of a transparent or non-transparent material on a side thereof.
10. 10. A power tool according to any one of claims 3 to 9, wherein the first face of the first member which contacts the surface of the workpiece is provided with a non-slip rubber pad.
11. 11. The power tool of any one of claims 3-10, wherein the first member is flanked by any one of a closed configuration, an open-close configuration, or an open configuration.
12. 12. The power tool according to any one of claim 3 to 11, wherein, The first face of the housing is provided with a magnet, and the first part is spliced with the housing, including the first part is spliced with the housing through the magnet, and/or, The first surface of the shell is provided with a buckling structure, and the first component is spliced with the shell and comprises the first component spliced with the shell through the buckling structure.
13. 13. The power tool of any one of claims 1-12, wherein the resilient member forms a spring force under compression of the drive mechanism and the housing.
14. 14. The power tool of any one of claims 1-13, wherein the body structure further comprises a third member for locking movement of the drive mechanism in the axial direction of the housing, or a third force applied by a user acts on the third member to move the drive mechanism in the axial direction of the housing.
15. 15. The power tool of claim 14, wherein the third component is coupled to the drive mechanism or is provided in the body mechanism independently of the drive mechanism.
16. 16. The power tool of any one of claims 1-15, wherein the drive mechanism and the first tool attachment cease movement when the first tool attachment reaches a target machining depth of the workpiece.
17. 17. The power tool according to any one of claim 1 to 16, wherein, At the end of the processing of the workpiece by the first tool attachment, the drive mechanism and the first tool attachment move in the axial direction of the housing.
18. 18. The power tool of any one of claims 1-17, wherein a first control element is provided on the housing, the first control element being for adjusting an operating parameter of the power tool; wherein the operating parameter comprises at least one of a rotational speed of the first tool attachment, a predetermined depth of work piece processing by the first tool attachment, a direction of work piece processing by the first tool attachment, or a torque force of a motor in the drive mechanism.
19. 19. The power tool of any one of claims 1-18, wherein a second steering element is provided on the housing, the second steering element being configured to adjust a functional mode of the power tool, the functional mode including at least one of a tapping mode, a batch mode, or a drill mode.
20. 20. The power tool of any one of claims 1-19, wherein the housing is further provided with a second recess for placement of a third tool accessory.

Description

Electric tool and control method thereof Technical Field The application relates to the technical field of electric tools, in particular to an electric tool and a control method thereof. Background The tapping machine is a special device for processing internal threads of workpieces, and is widely applied to a plurality of fields such as machining, automobile manufacturing, aerospace, construction, electronics and the like. The main function of the tapping machine is to cut into the hole of the workpiece with a tap to form a thread. With the advancement of industrial automation and intellectualization, the functions and the efficiency of the tapping machine are remarkably improved. However, for hand-held tapping machines, the user is required to provide the tapping machine with a feed pressure, which is not stable and results in a poor tapping quality of the hand-held tapping machine. Disclosure of Invention The application provides an electric tool and a control method thereof, which are used for improving the working performance of the electric tool. In a first aspect, the application provides an electric tool, which comprises a main body mechanism, wherein the main body mechanism comprises a shell, a driving mechanism is arranged in the shell, a first groove is formed in a first surface of the shell, the first groove is used for placing a tool accessory, the driving mechanism is used for driving the first tool accessory to move, the driving mechanism comprises an elastic piece and a guide rail, the elastic piece is arranged in the guide rail, elastic force generated by the elastic piece acts on the driving mechanism in the process of machining a workpiece by the first tool accessory, the driving mechanism and the first tool accessory move in the axial direction of the shell, and the guide rail limits the driving mechanism to swing left and right. In embodiments of the present application, the power tool may be, for example, at least one of a tapping machine, an electric screwdriver, or an electric drill. The first tool attachment may be understood as a tool bit currently mounted on a power tool, such as a tap or a drill bit. In the technical scheme of the application, the elastic force generated by the elastic piece in the driving mechanism of the electric tool is used as the feeding pressure of the first tool accessory to workpiece processing, and the elastic force is stable relative to the feeding pressure of the first tool accessory provided by a user directly, so that compared with the technical scheme of the feeding pressure of the first tool accessory to workpiece processing provided by the user directly, the technical scheme of the application can reduce the condition of poor quality of the tapping machine caused by interference of the user on the feeding pressure of the tapping machine, thereby effectively improving the tapping quality and tapping success rate of the tapping machine. And the elastic piece provides feeding pressure for the first tool accessory, so that flexible transmission of the electric tool is realized, stroke difference between the driving mechanism and the first accessory can be effectively avoided, and durability of the electric tool is effectively improved. In one possible design, the main body mechanism further comprises a depth sensor, wherein the depth sensor is used for acquiring the depth of the first tool accessory for processing the workpiece, and when the first condition is met, the depth of the first tool accessory for processing the workpiece acquired by the depth sensor is initialized to be a first value when the first tool accessory is replaced by a second tool accessory or the processing starting plane of the workpiece is changed. In this design, through set up the degree of depth sensor in electric tool's main part mechanism for electric tool can measure the machining depth of first tool annex to the work piece, and then makes electric tool can accurate control the machining depth of first tool annex to the work piece, thereby satisfies the user and to the processing demand of work piece under different operating modes. For example, the power tool is exemplified by a tapping machine, and the first tool attachment is exemplified by a tap, which also supports the drilling of a blind hole in a workpiece in the case where the tapping machine can measure the machining depth of the tap to the workpiece. And when the processing initial plane of the tool accessory or the workpiece of the electric tool is changed, the measured value of the depth sensor can be initialized in time, and then the measuring precision of the depth sensor is effectively improved. In one possible design, the tool further comprises a first component spliced with the shell, wherein the first component comprises a first channel, the first tool accessory can move in the first channel, when the first tool accessory contacts the surface of a workpiece, a first force applied by a user on the shell a