CN-121989190-A - Tool clamping device and oscillating type multifunctional tool

Abstract

The invention relates to a tool clamping device (10) for an oscillating multifunctional tool (12), comprising at least one tool securing unit (14), at least one actuating unit (16) for securing a tool (18) to the tool securing unit (14) or for releasing the tool (18) from the tool securing unit (14), and at least one damping element (20) arranged between the actuating unit (16) and the tool securing unit (14). The invention proposes that the damping element (20) is constructed as an elastomer.

Inventors

• M. B. Tao Ercao Li
• A. L. Krokosh
• GROSS MARK T.

Assignees

• 罗伯特·博世有限公司

Dates

Publication Date

20260508

Application Date

20251107

Priority Date

20241107

Claims (11)

1. 1. A tool clamping device (10) for an oscillating multi-function tool (12), comprising: at least one tool safety unit (14), and At least one handling unit (16) for securing a tool (18) to the tool securing unit (14) or for releasing the tool (18) from the tool securing unit (14), and At least one damping element (20) which is arranged between the actuating unit (16) and the tool safety unit (14), characterized in that the damping element (20) is constructed as an elastomer.
2. 2. The tool clamping device (10) according to claim 1, wherein the damping element (20) comprises a disc-shaped base body (22).
3. 3. Tool clamping device (10) according to claim 1 or 2, characterized in that the damping element (20) has a base body (22) whose largest lateral extension corresponds at least substantially to the lateral extension of the tool securing unit (14) and/or the actuating unit (16) parallel to the largest lateral extension.
4. 4. Tool clamping device (10) according to any of the preceding claims, wherein the damping element (20) comprises at least one fitting form-locking element (24, 26), and the tool securing unit (14) and/or the handling unit (16) have a fitting form-locking element corresponding to the at least one fitting form-locking element.
5. 5. Tool clamping device (10) according to any of the preceding claims, wherein the damping element (20) comprises a receiving recess (28) for receiving a securing element (30) of the tool securing unit (14) and/or the handling unit (16).
6. 6. Tool clamping device (10) according to claim 5, characterized in that the damping element (20) comprises at least one projection corresponding to the receiving recess (28) as a fitting form-locking element (24).
7. 7. Tool clamping device (10) according to any of the preceding claims, wherein the damping element (20) forms at least one assembled form-locking element (26) which breaks the rotational symmetry of the damping element (20) about an axis perpendicular to the main extension plane of the damping element (20).
8. 8. The tool clamping device (10) according to any one of the preceding claims, wherein the damping element (20) has a hardness of between 40 and 60 shore a according to the ISO 7619-1 standard.
9. 9. Tool clamping device (10) according to any of the preceding claims, wherein the damping element (20) is made of rubber.
10. 10. An oscillating multi-functional tool (12) comprising at least one tool clamping device (10) according to any of the preceding claims and at least one drive unit for driving a tool (18) secured on the tool clamping device (10).
11. 11. A method for assembling a tool clamping device (10) according to any one of claims 1 to 9.

Description

Tool clamping device and oscillating type multifunctional tool Technical Field The present invention relates to a tool clamping device and an oscillating multifunctional tool having such a tool clamping device. Background A tool clamping device for an oscillating multifunctional tool has been proposed, which has at least one tool securing unit, at least one actuating unit for securing a tool on or releasing a tool from the tool securing unit, and at least one damping element arranged between the actuating unit and the tool securing unit. Disclosure of Invention The invention is based on a tool clamping device for an oscillating multifunctional tool, comprising at least one tool securing unit, at least one actuating unit for securing a tool to the tool securing unit or for releasing a tool from the tool securing unit, and at least one damping element arranged between the actuating unit and the tool securing unit. The invention proposes that the damping element is constructed as an elastomer. The tool is preferably an attachment for an oscillating multi-function tool. The tool clamping device is preferably provided for replacing a tool arranged on the tool securing unit by another tool, in particular without further auxiliary means. The tool securing unit is preferably provided for coupling the tool secured thereto with a drive unit of the oscillating multifunctional tool for transmitting forces and/or torques from the drive unit to the tool. The tool may be configured, for example, as a sawing tool, a milling tool, a polishing tool or the like. Preferably, the tool safety unit defines a pivot axis about which the tool can be pivoted by the drive unit. The tool securing unit preferably comprises at least one securing element for securing the tool to the tool receiving portion of the tool securing unit in a form-locking and/or force-locking, in particular magnetic and/or friction-locking, manner. The at least one securing element can be configured, for example, as a pin, a latching projection, a catch, a clamp, a magnetic holder or the like, which can be moved out and back in particular. The actuating unit is preferably provided for moving the at least one securing element and thereby securing or releasing the tool. The actuating unit preferably comprises at least one actuating element for actuation by a user, for example in the form of a hold-down lever, a slider, a switch or the like. Alternatively or additionally, the handling unit comprises at least one actuator for handling the handling unit by means of a control unit of the oscillating multifunctional tool. With respect to the pivot axis, the actuating unit and the damping element are preferably arranged on one end of the tool safety unit, while the tool receiver preferably forms the other end of the tool safety unit opposite the end. The tool securing unit preferably comprises at least one transmission element for transmitting forces and/or torques from the actuating unit to the at least one securing element. With respect to the pivot axis, the damping element is preferably arranged between the actuating unit and the tool securing unit. Preferably, the damping element prevents direct physical contact between the steering unit and the tool safety unit. The damping element is preferably provided for ensuring a force and/or torque transmission to the tool safety unit when the actuating unit is actuated. The damping element is preferably provided for counteracting forces and/or torques transmitted from the tool securing unit to the actuating unit during operation of the tool. "Arranged" is to be understood in particular as specially programmed, designed and/or equipped. An "object is provided as a function for determination" is to be understood in particular as meaning that the object performs and/or implements the function of the determination in at least one application and/or operating state. By means of the embodiment according to the invention, vibration damping between the tool safety unit and the actuating unit can advantageously be achieved in a simple manner. In particular, the damping element and the actuating unit can advantageously be assembled simply and advantageously quickly, in particular in comparison with devices which use springs as damping elements. Furthermore, the vibration damping properties can advantageously be flexibly adapted to different embodiments, i.e. by adjusting the raw materials for the elastomer and/or adjusting the geometry of the damping element. Furthermore, the electrical insulation of the actuating unit and the tool safety unit can be achieved without further measures. It is furthermore proposed that the damping element comprises a disk-shaped base body. The base body preferably has a main extension plane which extends at least substantially perpendicularly to the pivot axis. The "main plane of extension" of a structural unit is understood to mean, in particular, a plane which runs parallel to the largest side of a s