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Driving tool

A technology for driving into tools and combustion chambers. It is used in striking tools, manufacturing tools, nailing tools, etc. It can solve problems such as reduced ignition performance, and achieve the effects of reducing burden, preventing poor reset, and suppressing shock and vibration.

Inactive Publication Date: 2019-07-26
MAX CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the next injection operation is performed with exhaust gas remaining in the combustion chamber, there is a problem that the next injection and output and the ignition performance of the mixture in the combustion chamber will be reduced.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach ＞

[0054] [Structure example of driving tool 10]

[0055] figure 1 and figure 2An example of the structure of a driving tool 10 according to an embodiment of the present invention is shown. In addition, in figure 1 and figure 2 , set the nail driving direction to the bottom, and the opposite side to the top. In addition, in figure 1 and figure 2 Here, the tool main body 12 side is set to the front, the battery 70 side is set to the rear, the contact arm 52 side is set to the lower side, and the cylinder head 30 side is set to the upper side. In addition, in the direction orthogonal to the front-back direction and the up-down direction of the driving tool 10, the right side when the front direction is taken as a reference is the right side of the driving tool 10, and the left side is the side of the driving tool 10. left side.

[0056] Such as figure 1 and figure 2 As shown, the driving tool 10 is a tool for driving fasteners such as nails, staples, and pins into par...

no. 2 approach ＞

[0140] In the second embodiment, the scavenging of the driving tool 10 will be described in detail. In addition, since the basic structure and operation of the driving tool 10 are the same as those of the first embodiment, the same reference numerals are attached to the common constituent elements, and detailed descriptions are omitted.

[0141] [Sequence chart at the time of operation of the driving tool 10]

[0142] Figure 8 A timing chart of each device and a graph of pressure fluctuations in the combustion chamber 32 are shown during the driving operation of the driving tool 10 of the present invention. In addition, in the graph, the vertical axis represents pressure and the horizontal axis represents time.

[0143] Such as Figure 8 As shown, at time t1, when the operator presses the contact arm 52 against the component to be driven, the contact arm 52 moves upward relative to the machine head 50, and the contact switch 110 switches from high to low. Ping, the contac...

no. 3 approach ＞

[0187] In the third embodiment, the operation of the machine is controlled based on the status information of the driving tool 10 . In addition, since the basic structure and operation of the driving tool 10 are the same as those of the first embodiment, the same reference numerals are attached to the common constituent elements, and detailed descriptions are omitted.

[0188] Figure 12 It is a flowchart showing an example of the operation of the driving tool 10 when it is determined that the machine is abnormal. Such as Figure 12 As shown, in step S500, the temperature sensor 116 detects (acquires) the temperature of the driving mechanism 20 and the like in the tool body 12, and the control unit 100 obtains the temperature of the driving mechanism 20 and the like in the driving tool 10 from the temperature sensor 116 ( Institution Department) temperature information. After step S500 ends, go to step S510.

[0189] In step S510, the control unit 100 determines whether or...

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PUM

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Abstract

A driving tool includes a combustion chamber, a cylinder, a valve and a control unit. Fuel and compressed air are supplied into the combustion chamber. The cylinder is configured to movably store a piston which is driven by combustion pressure at a time of igniting a mixture of the fuel and the compressed air filled in the combustion chamber. The valve is configured to open and close a passage through which the compressed air is supplied into the combustion chamber. The control unit is configured to control the valve to supply the compressed air into the combustion chamber when the control unit determines that a return of the piston is completed.

Description

technical field [0001] The invention relates to a driving tool. [0002] In addition, the present invention relates to a driving tool for driving fasteners. Background technique [0003] Conventionally, driving tools using a mixture of fuel and air have been widely used. In this type of driving tool, after the mixture of fuel and air is generated in the combustion chamber, the mixture is ignited and burned to generate high-pressure combustion pressure to drive the piston in the cylinder, and the piston in the cylinder is driven by the driving force formed integrally with the piston. The feeder is used to strike and drive out the nails fed to the machine head. [0004] In a typical driving tool, a part of the exhaust gas remains in the combustion chamber after the driving operation. When the next injection operation is performed with the exhaust gas remaining in the combustion chamber, there is a problem that the next injection and output and the ignitability of the mixtur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25C1/14B25C1/18
CPCB25C1/14B25C1/18B25C1/08B25C1/008F01L9/10B25D9/10F02B63/02
Inventor 山本裕结城隆司木村光宏高桥靖典栗田就平渡边英一
Owner MAX CO LTD
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