Saw blade clamping mechanism and method with same
A clamping mechanism and saw blade technology, applied in sawing machine devices, metal sawing equipment, metal processing equipment, etc., can solve the problems of pressure failure of pressing saw blades, easy loosening of saw blades, etc., so as to avoid the failure of clamping force. Effect
Active Publication Date: 2011-03-16
POSITEC POWER TOOLS (SUZHOU) CO LTD
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Problems solved by technology
However, when the saw blade clamping mechanism is moving at high speed, the elastic element is compressed under the action of the inertial force of the chuck due to the increased inertia of the chuck when the tool is moving at high speed, which leads to the failure of the pressure for pressing the saw blade, and the saw blade is easy to loosen.
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[0053] See attached figure 1 , the present invention discloses a saw blade clamping mechanism 1 . Such a saw blade clamping mechanism can be applied to reciprocating power tools, such as reciprocating saws and jigsaws. In the present invention, the saw blade clamping mechanism 1 includes a supporting seat 3, a sliding member 4, a pressing element 9, an operating element 6, a stop element 7 and the like.
[0054] See attached Figure 1-12 , in the first preferred embodiment of the present invention, the saw blade clamping mechanism 1 includes a support seat 3 provided with a saw blade receiving groove 3h, and a sliding member 4 that moves relative to the support seat 3 along the reciprocating direction of the saw blade is located at The pressing element 9 between the slider 4 and the receiving groove 3h and the stop device. The supporting seat 3 is connected with the reciprocating rod 20 and moves together with the reciprocating rod 20 along the axial direction of the reciproc...
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The invention discloses a saw bit clamping mechanism (1) and a method for mounting the saw bit. The saw bit clamping mechanism includes a supporting beat (3) provided with a saw bit holding slot (3h), a first elastic element (12) is resisted with a sliding element (4). The sliding element (4) moving along the reciprocating direction of the saw bit opposite to the supporting seat (3) is arranged on a compacting element (9) between the supporting seat (3) and the sliding element (4). The saw bit clamping mechanism also includes a stop mechanism arranged between the sliding element (4) and the supporting seat (3) to stop the trend of the sliding element (4) to overcome the restoring force of the first elastic element (12) to move and avoid the danger that the saw bit (2) escapes caused by the effectiveness losing of the clamping force during a process than a tool is moving in a high speed.
Description
technical field [0001] The invention relates to a saw blade clamping mechanism, in particular to a saw blade clamping mechanism of a reciprocating electric tool and a method for clamping the saw blade. Background technique [0002] Currently, there are various saw blade clamping mechanisms for reciprocating power tools on the market, including rotary and sliding. The saw blades are relatively fixed by applying clamping forces in different directions to the saw blades. For example, U.S. Patent No. 6260281 discloses a sliding saw blade clamping device. The operating element moves longitudinally relative to the saw blade support seat, so that the pressing element is in the locking and releasing positions along the direction perpendicular to the pressing surface. Move, under the action of the elastic element, the operating element can automatically return from the release position to the locking position. However, when the saw blade clamping mechanism is moving at high speed, ...
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IPC IPC(8): B23D51/08
Inventor 张士松钟红风
Owner POSITEC POWER TOOLS (SUZHOU) CO LTD