WO2019009078A1 - Outil d'entraînement - Google Patents

Outil d'entraînement Download PDF

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Publication number
WO2019009078A1
WO2019009078A1 PCT/JP2018/023526 JP2018023526W WO2019009078A1 WO 2019009078 A1 WO2019009078 A1 WO 2019009078A1 JP 2018023526 W JP2018023526 W JP 2018023526W WO 2019009078 A1 WO2019009078 A1 WO 2019009078A1
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WO
WIPO (PCT)
Prior art keywords
driver
flywheel
pressing
ring member
roller
Prior art date
Application number
PCT/JP2018/023526
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English (en)
Japanese (ja)
Inventor
秋葉　美隆
Original Assignee
株式会社マキタ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社マキタ filed Critical 株式会社マキタ
Publication of WO2019009078A1 publication Critical patent/WO2019009078A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/06—Hand-held nailing tools; Nail feeding devices operated by electric power

Definitions

  • the present invention relates to a driving tool for driving a material into a workpiece by injecting the material from the injection port.
  • JP-A-2017-77613 discloses a driving tool provided with a driver, a motor, a driver, an intermediate roller, a drive roller, a support roller, and an urging member.
  • the intermediate roller is rotationally driven by a motor.
  • the drive roller is movable between a separated position separated from the intermediate roller and a launch position in contact with the intermediate roller.
  • the support roller can hold the driver together with the drive roller.
  • the biasing member biases the support roller toward the driver in a state in which the drive roller and the support roller sandwich the driver.
  • the drive roller is moved to the striking position, the rotational power of the intermediate roller is transmitted to the driver by the drive roller.
  • the driver held between the drive roller and the support roller is moved forward, and the nail is ejected.
  • the driving roller since the driving roller is pressed against the intermediate roller rotationally driven at high speed by the motor, the outer peripheral portion of the driving roller is easily worn. As a result, even if the biasing member biases the support roller toward the driver, the power transmission failure to the driver may occur due to the insufficient pressing of the driver against the drive roller.
  • the present invention provides a technique which contributes to the suppression of power transmission failure to a driver in a driving tool for driving a driven material into a workpiece by injecting the driven material from an injection port by a driver. As an issue.
  • a driving tool configured to drive a driving material into a workpiece by injecting the driving material from an injection port.
  • the driving tool comprises a tool body, a motor, a flywheel, a driver and a pressure roller.
  • the tool body extends in the front-rear direction and has an injection port at its front end.
  • the motor is housed in the tool body.
  • the flywheel is housed in the tool body.
  • the flywheel is configured to be rotationally driven by a motor.
  • the driver is disposed to face the outer periphery of the flywheel.
  • the driver is configured to strike the material to be ejected and to be ejected from the ejection port by moving forward linearly along the operation line extending in the back and forth direction by the rotational energy transmitted from the flywheel. It is done.
  • the pressing roller is disposed to face the driver on the opposite side of the flywheel in the facing direction of the flywheel and the driver.
  • the pressing roller is configured to enable transmission of rotational energy to the driver by pressing the driver in a direction approaching the flywheel in the opposing direction in the process of the driver moving forward. Furthermore, the driving tool is configured to be able to adjust the pressing force of the pressing roller against the driver.
  • the rotational energy of the flywheel may be transmitted from the flywheel directly to the driver, or may be transmitted to the driver via a transmission member disposed between the flywheel and the driver.
  • pressing the driver in the process of moving the driver forward is not only in the case where "the driver is pressed across the entire moving range of the driver forward", but also “forward of the driver”. This also includes the case of "pressing the driver in part of the movement range”.
  • the pressing roller presses the driver toward the flywheel in the opposite direction to transmit the rotational energy of the flywheel to the driver.
  • the pressing roller can not exert the required pressing force on the driver, and transmission of rotational energy to the driver becomes difficult.
  • the rotational energy to the driver that is, the driver is driven by adjusting the pressing force of the pressing roller against the driver as necessary. Failure in transmission of power) can be suppressed.
  • the driving tool may further comprise a pressing mechanism.
  • the pressing mechanism may include a pressing roller, a first member rotatably supporting the pressing roller, a second member, and an elastic body interposed between the first member and the second member.
  • the first member and the second member may be arranged to be relatively movable in the opposite direction via the elastic body.
  • the pressing mechanism is configured to press the driver by the pressing roller being urged toward the driver via the first member by the elastic force of the elastic member in the process of the driver moving forward. It may be
  • the pressing mechanism may be capable of adjusting the pressing force by changing the relative position of the first member and the second member.
  • the driver moves along the operation line by the simple pressing mechanism in which the elastic body is disposed between the first member and the second member supporting the pressing roller.
  • Transfer of rotational energy to the driver can be enabled.
  • the user simply changes the relative position of the first member and the second member, the elastic force of the elastic body interposed between the first member and the second member, and thus the pressing of the pressing roller. The pressure can be adjusted.
  • the second member may be supported by the tool body such that the relative position with respect to the tool body can be changed.
  • the pressing force of the pressing roller against the driver may be adjustable by moving at least a part of the second member in the opposite direction. According to this aspect, when the driver or the transmission member is worn, the user merely moves at least a part of the second member supported by the tool body in the opposite direction in a direction approaching the driver. Improper transmission of rotational energy can be suppressed.
  • the second member may be rotatably supported by the tool body about the fulcrum.
  • the driving tool may further comprise a locking mechanism configured to lock the second member.
  • the pressing force may be adjustable by changing the position at which the second member is locked by the locking mechanism within the rotatable range of the second member. According to this aspect, the pressing force can be adjusted only by changing the position at which the pivotable second member is locked by the locking mechanism. For this reason, compared with the structure by which the 2nd member is moved altogether, a structure can be simplified and adjustment operation of pushing pressure force becomes easier.
  • the locking mechanism may include a screw member screwed to the tool body and configured to lock the second member when the tip end abuts on the second member. .
  • the position where the second member is locked by the locking mechanism may be changeable by changing the position of the tip of the screw member when screwing to the tool body. According to this aspect, when the driver or the transmission member is worn, the user changes the position of the tip of the screw member with a very simple operation of screwing the screw member into the tool body, and the pressing roller against the driver Can be adjusted.
  • the locking mechanism may include a switching lever rotatably supported by the tool body about the fulcrum.
  • the switching lever is configured to be switchable between a locked state in which the second member is locked and a unlocked state in which the locked state is released, in a state where the pressing roller can press the driver as it is rotated.
  • the pressing force may be adjustable by changing the position at which the second member is locked by the switching lever in the locked state.
  • the unlocked state can also be referred to as a state in which the second member is maintained in a state where the pressing of the driver by the pressing roller is not possible.
  • the switching lever is in the unlocked state, the second member may be locked by the switching lever or may be in a free state not locked by the switching lever.
  • the user can set the switching lever in the locked state, thereby enabling the driver to perform the driving operation of the driving member by the driver, and setting the unlocking state can disable the driving operation. . Therefore, the user locks the switching lever if the driver can not move in the middle of the driving operation due to some factor (for example, clogging of the driving material) after starting the driving operation with the switching lever in the locked state.
  • the release state it is possible to release the pressing of the driver by the pressing roller and move the driver. Further, when the driver or the transmission member is worn, the pressing force of the pressing roller against the driver can be adjusted by changing the position at which the second member is locked by the switching lever in the locked state.
  • the driving tool may further comprise a ring member and a driver moving mechanism.
  • the ring member may be configured to be able to transmit rotational energy of the flywheel to the driver.
  • the driver movement mechanism may be configured to move the driver relative to the ring member along the operating line from an initial position to a transmission position where the ring member can transmit rotational energy to the driver. When the driver is in the initial position, the ring member is loosely fitted to the outer periphery of the flywheel.
  • the driver When the driver is moved to the transmission position by the driver moving mechanism, the driver is pressed against the ring member by the pressing roller, whereby the ring member frictionally engages with the driver and the flywheel, and the rotation shaft of the flywheel It is rotated by the flywheel about a different rotation axis and transmits rotational energy to the driver.
  • the driver it is not the driver but the ring member provided as the transmission member that is directly pressed against the flywheel rotating at high speed.
  • the transfer of rotational energy that is, the power for driving the driver
  • the ring member rotates around a rotational axis different from the rotational axis of the flywheel when transmitting rotational energy to the driver. Therefore, since the area of the ring member that abuts the flywheel at the start of transmission is not always the same, it is possible to prevent only a specific portion of the ring member from being worn. If the wear of the ring member exceeds the allowable amount, replacement is necessary. However, since the ring member is less expensive than a driver, the cost of replacement parts can be reduced.
  • FIG. 6 is a cross-sectional view taken along line VI-VI of FIG. It is explanatory drawing which shows arrangement
  • FIG. 10 is a cross-sectional view taken along line XX in FIG. It is explanatory drawing which shows the driver and driver drive mechanism which are arrange
  • the nailing machine 1 will be described below as an example of a driving tool with reference to FIGS. 1 to 12.
  • the nailing machine 1 is a tool capable of performing a nailing operation for driving the nail 101 into a workpiece (for example, wood) 100 by punching out the nail 101 in a straight line.
  • the shell of the nailing machine 1 of the present embodiment is formed mainly of a tool body 10, a handle 13 and a magazine 17.
  • the tool body 10 includes a body housing 11 and a nose portion 12.
  • the driver 3 is disposed so as to be linearly movable along a predetermined operation line L.
  • the driver driving mechanism 400 is configured to eject the nail 101 from the nailing machine 1 by moving the driver 3 along the operation line L.
  • the return mechanism is configured to return the driver 3 after striking the nail 101 to its original position.
  • the nose portion 12 is connected to one end of the main body housing 11 in the extending direction of the operation line L (hereinafter simply referred to as the operation line L direction).
  • the nose portion 12 has a driver passage (not shown) passing through the nose portion 12 in the direction of the operation line L.
  • One end of the driver passage is open to the inside of the main body housing 11.
  • the other end of the driver passage opens to the outside of the nailing machine 1 as an ejection opening 123 through which the nail 101 is punched out.
  • a contact arm 125 is held by the nose portion 12 adjacent to the outlet 123.
  • the contact arm 125 can be advanced and retracted in the direction of the operation line L.
  • a contact arm switch (not shown) is disposed. The contact arm switch is always maintained in the off state, and is turned on in response to the pressing of the contact arm 125.
  • the handle 13 protrudes from the central portion of the main body housing 11 in the direction of the operation line L in the direction intersecting the operation line L.
  • the handle 13 is a portion gripped by a worker.
  • a trigger 14 operated by a worker is provided at the proximal end of the handle 13 (the end connected to the main housing 11).
  • a trigger switch 141 is disposed in the handle 13.
  • the trigger switch 141 is always maintained in the off state, and turned on in response to the pulling operation of the trigger 14.
  • a battery mounting portion 15 provided with a terminal or the like is provided at the distal end portion (the end portion on the opposite side to the proximal end portion) of the handle 13.
  • a rechargeable battery 19 is removably mounted on the battery mounting portion 15.
  • a controller 18 or the like for controlling the operation of the nailing machine 1 is disposed inside the tip end portion of the handle 13.
  • the aforementioned contact arm switch, trigger switch 141, motor 2 to be described later, solenoid 715 and the like are electrically connected to the controller 18.
  • the magazine 17 is configured to be capable of filling a plurality of nails 101.
  • the magazine 17 is attached to the nose portion 12.
  • the nails 101 filled in the magazine 17 are supplied one by one to the driver passage by a nail feeding mechanism (not shown).
  • a nail feeding mechanism not shown.
  • the direction of the operation line L of the driver 3 (left and right direction in FIG. 1) is defined as the front-rear direction of the nailing machine 1 for the sake of convenience.
  • the side provided with the injection port 123 (right side in FIG. 1) is defined as the front side of the nailing machine 1 and the opposite side (left side in FIG. 1) as the rear side.
  • a direction (vertical direction in FIG. 1) which is orthogonal to the operation line L direction and corresponds to the extending direction of the handle 13 is defined as the vertical direction of the nailing machine 1.
  • the side where the handle 13 is connected to the tool main body 10 (main body housing 11) is the upper side, and the end where the tip of the handle 13 (the end to which the battery 19 is attached) is disposed (The lower side in FIG. 1) is defined as the lower side.
  • a direction perpendicular to the front-rear direction and the vertical direction is defined as the left-right direction.
  • FIG. 1 and FIG. 2 referred to below, for convenience of explanation, a part of a ring member 5 described later is illustrated in a broken state.
  • the motor 2 will be described. As shown in FIG. 2, the motor 2 as a drive source of the driver 3 is accommodated in the rear lower portion of the main body housing 11. Further, the motor 2 is disposed such that the rotation axis of the output shaft (not shown) extends in the left-right direction orthogonal to the operation line L. In the present embodiment, a brushless DC motor is employed as the motor 2 because of its small size and high output. Connected to the output shaft of the motor 2 is a pulley 21 that rotates integrally with the output shaft. In the present embodiment, when the contact arm 125 (see FIG. 1) of the nose portion 12 is pressed against the workpiece 100 and the contact arm switch is turned on, the controller 18 causes the battery 19 to move to the motor 2. The current is supplied to start driving of the motor 2.
  • the driver 3 will be described. As shown in FIG. 3, the driver 3 is a long member and is formed in a symmetrical shape with respect to the major axis.
  • the driver 3 includes a main body portion 30, a striking portion 31, and a pair of arm portions 35.
  • the main body portion 30 is formed in a generally rectangular thin plate shape as a whole.
  • the striking portion 31 is formed to have a smaller width in the left-right direction than the main body portion 30 and extends forward from the front end of the main body portion 30.
  • the pair of arm portions 35 project left and right from the rear of the main body portion 30.
  • the main body portion 30 is a portion which is pressed by a pressing roller 83 (see FIG. 2) described later and frictionally engaged with the ring member 5 (see FIG. 2).
  • the main body portion 30 has a pair of roller contact portions 301, a lever contact portion 305, and a pair of ring engagement portions 306. Hereinafter, these parts will be described in order.
  • the pair of roller contact portions 301 is integrally formed on the main body portion 30.
  • the pair of roller contact portions 301 respectively project upward from the upper surface of the main body portion 30 and extend in the front-rear direction along the left and right ends of the main body portion 30.
  • the surface portion formed at the projecting end (upper end) of the roller contact portion 301 is formed as an abutment surface that abuts on the outer peripheral surface of the pressing roller 83.
  • a front end portion of the roller contact portion 301 is formed as an inclined portion 302 whose height (thickness in the vertical direction) gradually increases toward the rear.
  • the rear side portion of the inclined portion 302 of the roller contact portion 301 has a constant height.
  • the lever contact portion 305 is provided to project upward from the upper surface of the main body portion 30.
  • the lever contact portion 305 extends in the left-right direction so as to connect the left and right roller contact portions 301 at the rear of the main body portion 30.
  • the lever contact portion 305 is a portion on which a push lever 711 described later comes in contact from behind.
  • the pair of ring engagement portions 306 are integrally formed on the main body portion 30.
  • the pair of ring engaging portions 306 respectively project downward from the lower surface of the main body portion 30 and extend in the front-rear direction along the left and right end portions of the main body portion 30.
  • the front end portion of the ring engagement portion 306 is formed as a sloped portion 307 whose height (thickness in the vertical direction) gradually increases toward the rear.
  • An engagement groove 308 is formed in each of the pair of ring engagement portions 306. The engagement groove 308 is engageable with the outer peripheral engagement portion 51 of the two ring members 5 described later.
  • Each engagement groove 308 is formed to be recessed upward from the projecting end of the ring engagement portion 306, and extends in the front-rear direction along the entire length of the ring engagement portion 306. Also, the engagement groove 308 has a width in the left and right direction narrowed upward (in other words, the wall surface of the ring engagement portion 306 defining the engagement groove 308 approaches upward) ) (See FIG. 6). The engagement between the driver 3 and the ring member 5 will be described in detail later.
  • the rear end 32 of the main body 30 defines the rear end of the driver 3.
  • the rear end 32 is a portion that restricts the driver 3 from moving further rearward by abutting on the rear stopper portion 118 (see FIG. 1).
  • the rear stopper portion 118 is fixed in the rear end portion of the main body housing 11.
  • the front end 310 of the striking portion 31 defines the front end of the driver.
  • the front end 310 is a part that strikes the head of the nail 101 (see FIG. 1) and strikes the nail 101 forward and into the workpiece 100.
  • the pair of arm portions 35 project to the left and right of the main body portion 30.
  • the arm portion 35 is a portion that restricts the forward movement of the driver 3 by abutting on the pair of front stopper portions 117 (see FIG. 1).
  • the front stopper portion 117 is fixed in the front end portion of the main body housing 11.
  • the arm part 35 is connected to the return mechanism by the connection member.
  • any known configuration may be employed as the return mechanism.
  • the driver 3 moved forward to the driving position is configured to be pulled back to the initial position along the operating line L by the elastic force of an elastic member (for example, a compression coil spring or a torsion coil spring) via the connection member.
  • a mechanism can be employed.
  • the driver 3 configured as described above is arranged such that the major axis thereof extends in the front-rear direction of the nailing machine 1 along the operation line L.
  • the driver 3 is held movably between the initial position and the driving position along the operation line L (also referred to as the back and forth direction of the nail driver 1 or in the longitudinal direction of the driver 3). There is.
  • the initial position is a position at which the driver 3 is held in a state where the driver driving mechanism 400 is not operating (hereinafter referred to as an initial state).
  • the initial position of the driver 3 is set such that the rear end 32 of the driver 3 abuts on the rear stopper portion 118.
  • the driving position is a position where the driver 3 moved forward by the driver drive mechanism 400 drives the nail 101 into the workpiece.
  • the driving position of the driver 3 is set to a position where the front end 310 of the driver 3 slightly protrudes from the injection port 123.
  • the driving position is also a position where the front ends of the pair of arm portions 35 abut against the pair of front stopper portions 117 from the rear. From the above arrangement, in the present embodiment, the initial position and the implantation position can be reworded as being the backmost position and the foremost position defining both ends of the movable range of the driver 3 moving along the operation line L .
  • the driver drive mechanism 400 includes a flywheel 4, two ring members 5, a holding mechanism 6, an operating mechanism 7, and a pressing mechanism 8. The details of these configurations will be sequentially described below.
  • the flywheel 4 will be described. As shown in FIG. 2, the cylindrically formed flywheel 4 is rotatably supported on the front side of the motor 2 in the main body housing 11.
  • the flywheel 4 is rotationally driven by a motor 2 around a rotation axis A1.
  • the rotation axis A ⁇ b> 1 extends in the left-right direction orthogonal to the operation line L of the driver 3 in parallel with the rotation axis of the motor 2.
  • Connected to the support shaft of the flywheel 4 is a pulley 41 that rotates integrally with the support shaft and the flywheel 4.
  • a belt 25 is stretched over the pulleys 21 and 41. Therefore, when the motor 2 is driven, the rotation of the motor 2 is transmitted to the flywheel 4 via the belt 25 and the flywheel 4 rotates in the clockwise direction in FIG.
  • the outer periphery 45 of the flywheel 4 is formed with a pair of engagement grooves 47 extending around the entire periphery of the flywheel 4.
  • the ring member 5 can be engaged with the engagement groove 47.
  • the engagement groove 47 is formed such that the width in the left-right direction narrows radially inward.
  • each ring member 5 is formed in a ring shape having a diameter larger than that of the flywheel 4.
  • the inner diameter of the ring member 5 is set to be larger than the outer diameter of the flywheel 4 (strictly, the diameter from the rotation axis A1 of the flywheel 4 to the bottom of the engagement groove 47).
  • the two ring members 5 are respectively disposed radially outward with respect to a pair of engagement grooves 47 provided on the outer periphery 45 of the flywheel 4.
  • the two ring members 5 are separated from the outer circumference 45 (more specifically, the engagement groove 47) of the flywheel 4 by the holding mechanism 6 described later, and the outer circumference 45 (engagement groove 47) Is held movably between a contact position at which one of the two contacts with the other.
  • Each ring member 5 is a transmission member for transmitting the rotational energy of the flywheel 4 to the driver 3, and is configured to be frictionally engageable with the driver 3 and the flywheel 4.
  • an outer peripheral engagement portion 51 and an inner peripheral engagement portion 53 are provided on the outer peripheral side portion and the inner peripheral side portion of the ring member 5, respectively.
  • the outer peripheral engaging portion 51 and the inner peripheral engaging portion 53 are engageable with the engaging groove 308 of the driver 3 and the engaging groove 47 of the flywheel 4 respectively.
  • the outer circumferential engagement portion 51 is formed as a convex portion that protrudes outward in the radial direction of the ring member 5, while the inner circumferential engagement portion 53 is a convex portion that protrudes inward in the radial direction of the ring member 5. It is formed.
  • the cross-sectional shape in the radial direction of the ring member 5 is formed in a substantially hexagonal shape, and the outer peripheral engagement portion 51 is formed so as to decrease in thickness toward the radial outer side of the ring member 5;
  • the inner circumferential engagement portion 53 is formed such that the thickness in the axial direction decreases toward the inner side in the radial direction of the ring member 5. That is, the outer peripheral engaging portion 51 and the inner peripheral engaging portion 53 are each formed in a tapered shape in cross section toward the tip.
  • the holding mechanism 6 holds the ring member 5 movably between a separated position separated from the outer periphery 45 (engagement groove 47) of the flywheel 4 and a contact position contacting the outer periphery 45 (engagement groove 47). It is configured to As shown in FIGS. 2 and 5, the holding mechanism 6 of the present embodiment is configured of a pair of ring urging portions 60 and a pair of stoppers 66.
  • the pair of ring urging portions 60 is disposed obliquely below the front and obliquely below the ring member 5.
  • the ring biasing portion 60 rotatably supports the ring member 5 in a state of being biased upward from the lower side by a plate spring.
  • the pair of stoppers 66 are respectively disposed below the driver 3 and obliquely above and diagonally above with respect to the ring member 5.
  • the stopper 66 is configured to restrict the upward movement of the ring member 5 while allowing the rotation of the ring member 5.
  • the ring member 5 extends from the outer periphery 45 of the flywheel 4 (more specifically, the engagement groove 47) over the entire periphery of the flywheel 4 It is separated.
  • the ring member 5 is pressed downward by the driver 3 as the driver 3 is moved forward by the actuating mechanism 7, the urging force of the ring urging portion 60 is resisted. As a result, the ring member 5 moves downward and is held at the contact position contacting the outer periphery 45 (engagement groove 47) at the upper part of the flywheel 4 (see FIG. 10).
  • the operating mechanism 7 will be described. As shown in FIG. 2, the actuating mechanism 7 is disposed above the driver 3 and rearward of the flywheel 4 in the main body housing 11.
  • the actuation mechanism 7 is a mechanism configured to move the driver 3 disposed at the initial position to a transmission position described later along the operation line L.
  • the actuating mechanism 7 mainly includes a solenoid 715 and a push lever 711.
  • the solenoid 715 is actuated by the controller 18 (see FIG. 1) when the trigger switch 141 (see FIG. 1) is turned on.
  • the push lever 711 is rotated by a solenoid 715.
  • the tip end portion of the push lever 711 is disposed obliquely upward and rearward with respect to the lever contact portion 305 of the driver 3.
  • the solenoid 715 is actuated, the push lever 711 is pivoted, and the tip of the push lever 711 pushes the lever contact portion 305 from the rear to the front to move the driver 3 forward (see FIG. 9).
  • the details of the operation of the driver 3 and the driver drive mechanism 400 will be described later.
  • the pressing mechanism 8 will be described. As shown in FIG. 2, the pressing mechanism 8 is disposed in the main housing 11 so as to face the driver 3 on the opposite side of the flywheel 4 in the facing direction of the flywheel 4 and the driver 3. That is, the pressing mechanism 8 is disposed to face the driver 3 from above.
  • the pressing mechanism 8 presses the driver 3 toward the ring member 5 (that is, in a direction approaching the flywheel 4) in the process of moving the driver 3 forward from the initial position, so that the fly through the ring member 5 is performed. It is configured to enable transmission of rotational energy from the wheel 4 to the driver 3.
  • the pressing mechanism 8 includes a roller support member 81, a pressing roller 83, a holder 85, and an elastic member 87.
  • the pressure roller 83 is rotatably supported by the roller support member 81.
  • the holder 85 is supported by the main body housing 11.
  • the elastic member 87 is disposed between the roller support member 81 and the holder 85 in an interposed manner.
  • the roller support member 81 includes a spring holding portion 811, a spring receiving portion 813, and a roller support portion 815.
  • the spring holding portion 811 is a portion that constitutes the upper portion of the roller support member 81.
  • the spring holding portion 811 is formed in a cylindrical shape whose axial direction is the vertical direction.
  • the spring receiving portion 813 is a flange-like portion protruding radially outward from the lower end portion of the spring holding portion 811.
  • the roller support portion 815 is a portion that constitutes the lower portion of the roller support member 81, and protrudes downward from the spring receiving portion 813.
  • the roller support portion 815 rotatably supports the left and right pressing rollers 83 via a roller shaft 84 extending in the left-right direction.
  • the holder 85 holds the roller support member 81 so as to be relatively movable in the vertical direction. Further, the holder 85 is rotatably supported by the main body housing 11 and normally locked by a locking mechanism 9 described later.
  • the holder 85 includes an accommodating portion 851, a spring receiving portion 853, a stopper portion 854, a support portion 855, and a locking receiving portion 857.
  • the housing portion 851 is formed in a substantially cylindrical shape, and has a housing space 852 in which a part of the roller support member 81 and the elastic member 87 can be housed.
  • the spring receiving portion 853 is constituted by an upper wall portion covering the upper portion of the accommodation portion 851.
  • a through hole is formed in the central portion of the spring receiving portion 853.
  • the through hole has substantially the same diameter as the cylindrical spring holding portion 811 of the roller support member 81.
  • the spring holding portion 811 is vertically movable in the through hole.
  • the stopper portion 854 protrudes radially inward from the lower end portion of the housing portion 851. As shown in FIG. 2, the support portion 855 extends obliquely downward from the front lower end portion of the housing portion 851 toward the front.
  • the holder 85 is supported by the main body housing 11 so as to be rotatable about a rotation shaft 856 inserted in the support portion 855 in the left-right direction.
  • the lock receiving portion 857 is a plate-like portion having an L-shape in a side view, and protrudes downward from the rear lower end portion of the accommodation portion 851, and is bent and extended rearward.
  • the upper surface of the rearwardly extending portion of the locking receiving portion 857 functions as a receiving surface 858 of locking by the locking mechanism 9 described later.
  • the elastic member 87 is disposed between the roller support member 81 and the holder 85 in an interposed manner.
  • the elastic member 87 is constituted by four disc springs arranged in series on the outer periphery of the spring holding portion 811 of the roller support member 81.
  • the roller support member 81 is disposed in the housing portion 851 (housing space 852) of the holder 85 in a state in which the elastic member 87 is externally fitted to the spring holding portion 811.
  • the elastic member 87 is disposed between the spring receiving portion 853 of the holder 85 and the spring receiving portion 813 of the roller support member 81 in a slightly compressed state.
  • the spring receiving portion 813 is biased downward by the elastic force of the elastic member 87, and the stopper portion 854 is pressed from above. It is held in the state of contact. That is, the downward movement of the roller supporting member 81 and the pressing roller 83 is restricted by the stopper portion 854, and the roller supporting member 81 and the pressing roller 83 are held at the lowermost position.
  • the locking mechanism 9 includes a switching lever 91 provided adjacent to the holder 85.
  • the switching lever 91 is configured in a long shape.
  • the switching lever 91 is supported by the main body housing 11 (see FIG. 1) so as to be pivotable about a pivot shaft 910 extending in the left-right direction at one end in the long axis direction.
  • the end provided with the pivot shaft 910 is referred to as a support end 911 and the other end is referred to as a free end 912. I assume.
  • the switching lever 91 is disposed such that the support end 911 is located above the locking receiving portion 857 of the holder 85.
  • the pivotable range of the switching lever 91 is the lock position where the free end 912 is disposed forward with respect to the support end 911 (see FIG. 2) and the support end 911.
  • the angle is set to about 90 degrees between the upper position and the open position (see FIG. 8).
  • the switching lever 91 includes a main body contact portion 914, a holder locking portion 916, and a rotation allowing portion 917.
  • the main body contact portion 914 is a portion of the free end portion 912 which is disposed on the lower side when the switching lever 91 is disposed in the lock position (see FIG. 2).
  • the holder engagement portion 916 is a portion of the support end portion 911 which is disposed on the lower side (that is, the side facing the engagement receiving portion 857) when the switching lever 91 is disposed in the lock position.
  • the rotation allowing portion 917 is a portion of the support end portion 911 which is disposed on the lower side when the switching lever 91 is disposed in the open position (see FIG. 8).
  • the distance between the rotation axis of the switching lever 91 (the axis of the rotation shaft 910) and the holder locking portion 916 is set longer than the distance between the rotation axis and the rotation allowance portion 917.
  • the switching lever 91 when the switching lever 91 is disposed at the lock position, the main body contact portion 914 contacts the upper portion of the nose portion 12 from above, and the holder locking portion 916 is a locking receiving portion 857 of the holder 85.
  • the holder 85 is engaged by coming into contact with the receiving surface 858 of FIG.
  • the driver 3 moves the ring member forward by the pressing roller 83 while the driver 3 moves forward from the initial position. By being pressed to 5, the rotational energy of the flywheel 4 is transmitted to the driver 3 via the ring member 5.
  • the holder 85 is locked in a state where the pressing roller 83 can press the driver 3 (a state where transmission of rotational energy to the driver 3 is enabled). It is in.
  • this state is referred to as a locked state.
  • the switching lever 91 when the switching lever 91 is disposed at the open position, the main body contact portion 914 is separated from the nose portion 12, and the holder locking portion 916 is also from the receiving surface 858 of the locking receiving portion 857. Separate.
  • the rotation allowing portion 917 is disposed above the receiving surface 858, but its position is higher than the position (see FIG. 7) of the holder engaging portion 916 when the switching lever 91 is disposed at the lock position.
  • the holder 85 can turn around in the direction away from the driver 3 (that is, in the upward direction) to a position where the holder 85 abuts on the rotation allowing portion 917 around the rotation shaft 856. In this state, even if the pressing roller 83 contacts the upper surface of the driver 3, the pressing roller 83 can not press the driver 3. That is, when the switching lever 91 is disposed at the open position, the locked state is released.
  • the switching lever 91 needs to be disposed at the lock position when the driving operation of the nail 101 is performed. However, if the driver 3 can not move in the middle of the movement path for some reason, the user manually returns the driver 3 to the initial position by rotating the switching lever 91 to the open position. be able to. This point will be described later.
  • the driver 3 is disposed at the initial position shown in FIGS. 1 and 2. Further, the switching lever 91 is disposed at the lock position to lock the holder 85.
  • the ring member 5 is held by the holding mechanism 6 at a slightly separated position radially outward from the outer circumference 45 (more specifically, the engagement groove 47) of the flywheel 4 ing.
  • the pressure roller 83 is held at the lowermost position and is in sliding contact with the front end portion of the main body portion 30 of the driver 3 from above, but it is not in the state of pressing the driver 3 downward.
  • the ring member 5 is held at a position apart from the driver 3 as well. More specifically, the ring member 5 is held at a position where the outer peripheral engagement portion 51 is slightly separated from the engagement groove 308 of the driver 3.
  • the push-out lever 711 is pivoted, and the rear end portion of the push-out lever 711 presses the lever contact portion 305 of the driver 3 from the rear to the front.
  • the driver 3 starts moving forward along the operation line L from the initial position toward the driving position.
  • the driver 3 also moves relative to the ring member 5 held at the separated position.
  • the pressure roller 83 abuts on the contact surface of the inclined portion 302 whose thickness gradually increases toward the rear from the front.
  • a part of the outer peripheral engaging portion 51 of the ring member 5 enters the engaging groove 308 (see FIG. 3) of the driver 3, It abuts on the open end of the engagement groove 308.
  • the outer peripheral engaging portion 51 is formed by the inclined portion 307 being formed at the front end portion of the ring engaging portion 306 and the width in the left and right direction of the engaging groove 308 being wider at the open end side. , And can smoothly enter the engagement groove 308.
  • the inclined portion 302 Acts as a cam and also exerts a wedge effect. Therefore, the ring member 5 held at the separated position is pushed downward against the urging force of the plate spring of the ring urging portion 60, and the pressing roller 83 held at the lowermost position is the elastic member 87. Is pushed upward against the elastic force of
  • the ring member 5 is pressed against the flywheel 4 via the driver 3 by the elastic force of the elastic member 87 compressed by the pressing roller 83 being pushed up by the inclined portion 302. For this reason, at the open end of the engagement groove 308 of the driver 3, the driver 3 and a part of the outer peripheral engagement portion 51 of the ring member 5 are put in frictional engagement. Further, at the open end of the engagement groove 47 of the flywheel 4, a part of the flywheel 4 and the inner peripheral engagement portion 53 of the ring member 5 is placed in a frictional engagement state.
  • the ring member 5 can transmit the rotational energy of the flywheel 4 to the driver 3 by placing the ring member 5 in frictional engagement with the driver 3 and the flywheel 4.
  • the “frictional engagement state” refers to a state in which two members are engaged with each other by a frictional force (including a sliding state).
  • the ring member 5 is rotated around the rotation axis A2 by the flywheel 4 in a state where only a portion of the inner peripheral engagement portion 53 of the ring member 5 pressed against the flywheel 4 by the driver 3 is frictionally engaged with the flywheel 4 Will be rotated.
  • the ring member 5 is formed larger in diameter than the flywheel 4, and the inner diameter of the ring member 5 is the outer diameter of the flywheel 4 (strictly, the flywheel is The diameter from the rotation axis A1 of 4 to the bottom of the engagement groove 47).
  • the rotation axis A2 of the ring member 5 is different from the rotation axis A1 of the flywheel 4 and is located below the rotation axis A1 (in the direction away from the driver 3).
  • the rotation axis A2 extends parallel to the rotation axis A1.
  • the ring member 5 pushes the driver 3 in a state of frictional engagement with the ring member 5 forward from the transmission position shown in FIG.
  • FIG. 11 shows a state where the driver 3 is disposed at the striking position where the driver 3 strikes the nail 101 (see FIG. 1).
  • the driver 3 reaches the striking position, strikes the nail 101, and moves to the striking position shown in FIG. 4 to drive the nail 101 into the workpiece 100.
  • the controller 18 stops the current supply to the solenoid 715 when the predetermined time necessary for the driver 3 to reach the striking position elapses after the trigger switch 141 is turned on, whereby the push lever 711 is at the initial position.
  • the controller 18 stops driving the motor 2.
  • the rotation of the flywheel 4 is stopped.
  • a return mechanism (not shown) is activated to return the driver 3 to the initial position.
  • the driver 3 may stop on the movement path.
  • the pressing roller 83 strongly presses the driver 3 and the ring member 5 against the flywheel 4 by the elastic force of the elastic member 87.
  • the driver 3 can not be returned to the initial position by the return mechanism (not shown).
  • the user may hold the switching lever 91 and rotate it to the open position.
  • the compression of the elastic member 87 is released and the holder 85 is rotated upward, and the pressing of the pressing roller 83 against the driver 3 is released.
  • the return mechanism (not shown) can return the driver 3 to the initial position (see FIG. 1).
  • the ring member 5 is pressed against the flywheel 4 rotationally driven at high speed by the motor 2 at the time of the driving operation. For this reason, the ring member 5 (specifically, the inner circumferential engagement portion 53) wears gradually. Along with this, there is a possibility that the pressing roller 83 can not sufficiently press the ring member 5 against the flywheel 4 through the driver 3 at the time of the driving operation. That is, a transmission failure of rotational energy from the flywheel 4 to the driver 3 may occur. So, in this embodiment, the locking mechanism 9 is provided with the spacer member 92 which can be attached or detached to the holder 85 in addition to the switching lever 91.
  • the spacer member 92 is configured to be detachable from the lock receiving portion 857 of the holder 85. More specifically, the lower surface of the rear end portion of the locking receiving portion 857 of the holder 85 is provided with a recessed portion 859 which is recessed upward.
  • the spacer member 92 is formed in a U-shaped cross section. The spacer member 92 is mounted from the recess 859 to the receiving surface 858 so as to sandwich the rear end portion of the locking receiving portion 857 from above and below.
  • the holder 85 is as thick as the spacer member 92 disposed between the holder engaging portion 916 of the switching lever 91 and the receiving surface 858 of the holder 85, The spacer member 92 is moved downward (in the direction approaching the flywheel 4) as compared with the case where the spacer member 92 is not attached (see FIG. 7).
  • the relative position of the roller support member 81 supporting the pressing roller 83 and the holder 85 changes.
  • the elastic force of the elastic member 87 disposed between the spring receiving portion 853 of the holder 85 and the spring receiving portion 813 of the roller support member 81 and, consequently, the pressing force of the driver 3 by the pressing roller 83 It can be enhanced.
  • the ring member 5 can be appropriately pressed against the flywheel 4 through the driver 3 to suppress the transmission failure of the rotational energy to the driver 3.
  • a plurality of types of spacer members that can be attached to and detached from the holder locking portion 916 and have different thicknesses may be prepared. In this case, the user appropriately adjusts the pressing force of the driver 3 by the pressing roller 83 only by mounting the spacer member having an appropriate thickness on the holder locking portion 916 according to the degree of wear of the ring member 5. be able to.
  • the pressing mechanism 8 has a simple configuration in which the elastic member 87 is disposed between the roller support member 81 that rotatably supports the pressing roller 83 and the holder 85 so that the driver 3 can In the process of moving from the initial position to the driving position, the transfer of rotational energy to the driver 3 can be enabled.
  • the user can adjust the elastic force of the elastic member 87 and hence the pressing force of the pressing roller 83 against the driver 3 simply by changing the relative position of the roller support member 81 and the holder 85.
  • the mounting position of the holder 85 by the switching lever 91 arranged at the lock position is changed only by mounting the spacer member 92 on the holder 85 rotatably supported on the main body housing 11;
  • the pressing force of the pressing roller 83 against the driver 3 can be adjusted.
  • a spacer member that can be attached to and detached from the switching lever 91 may be employed instead of the spacer member 92 that can be attached to and detached from the lock receiving portion 857.
  • the rotational energy of the flywheel 4 is transmitted to the driver 3 by the ring member 5.
  • the ring member 5 rotates around a rotation axis A2 different from the rotation axis A1 of the flywheel 4 when the rotational energy is transmitted to the driver 3. Therefore, the area of the ring member 5 that abuts the flywheel 4 at the start of transmission is not always the same. For this reason, it can prevent that only the specific part of the ring member 5 wears. If the wear of the ring member 5 exceeds the allowable amount, replacement is necessary. However, since the ring member 5 is less expensive than the driver 3, the cost of replacement parts can be reduced.
  • the driving tool according to the present invention is not limited to the illustrated configuration of the nailing machine 1.
  • the changes exemplified below can be made. Note that any one or more of these modifications may be adopted in combination with the nailing machine 1 shown in the embodiment or the invention described in each claim.
  • the locking mechanism 9 capable of locking the holder 85 of the pressing mechanism 8 is not limited to the configuration exemplified in the embodiment.
  • modifications of the configuration of the locking mechanism 9 will be described with reference to FIG. 13 to FIG.
  • the locking mechanism 901 of the first modified example shown in FIGS. 13 and 14 includes a locking bolt 93 and a spacer member 94. Further, above the locking receiving portion 857 of the holder 85, a bolt mounting portion 113 having a screw hole extending in the vertical direction is provided. The bolt mounting portion 113 is fixed to the main body housing 11 (see FIG. 1). The locking bolt 93 is configured to be capable of being screwed into the screw hole of the bolt mounting portion 113. The user can attach and detach the locking bolt 93 to the bolt mounting portion 113 by an operation from above. The locking bolt 93 locks the holder 85 when its tip end abuts on the holder 85 from above.
  • the spacer member 94 is configured as an annular member that can be disposed between the head of the locking bolt 93 and the bolt mounting portion 113.
  • the locking bolt 93 is screwed into the bolt mounting portion 113 until the spacer member 94 is held between the head and the bolt mounting portion 113, and the holder 85 is Lock it.
  • the user when wear of the ring member 5 progresses, the user once removes the locking bolt 93 and the spacer member 94, and as shown in FIG.
  • the bolt mounting portion 113 may be screwed in until it abuts on the top surface of the bolt 113.
  • the user removes the spacer member 94 and screws the locking bolt 93 into the bolt mounting portion 113 with a very simple operation of the locking bolt 93.
  • the spacer member 92 of the above-described embodiment not only the spacer member 94 shown in FIG. 13 but also plural kinds of spacer members having different thicknesses may be prepared.
  • the locking mechanism 902 of the second modification shown in FIGS. 15 and 16 includes a switching lever 91 and a cam member 95.
  • the switching lever 91 has the same configuration as the switching lever 91 of the above-described embodiment, and is disposed so as to be pivotable about the pivot shaft 910.
  • the cam member 95 is rotatably supported by the support end 911 of the switching lever 91. More specifically, the cam member 95 is rotatably supported by the switching lever 91 about a pin 950 extending in the left-right direction.
  • the cam member 95 protrudes to the outside of the holder locking portion 916 at a first position (see FIG. 15) in which the outer peripheral portion (cam surface) is disposed substantially flush with the holder locking portion 916 of the switching lever 91. It is pivotable between the second position (see FIG. 16). When the cam member 95 is pivoted to the second position and the switching lever 91 is disposed at the lock position, the cam member 95 protrudes below the holder locking portion 916.
  • the switching position of the holder 85 by the switching lever 91 is changed by switching the rotational position of the cam member 95 when the switching lever 91 is disposed at the lock position between the first position and the second position. be able to. If the ring member 5 is not worn so much, the holder 85 may be locked by the cam member 95 disposed at the first position, as shown in FIG. On the other hand, when wear of the ring member 5 progresses, the user moves the locking position of the holder 85 downward by rotating the cam member 95 to the second position as shown in FIG. Just do it.
  • the user adjusts the pressing force of the driver 3 by the pressing roller 83 by a very simple operation of rotating the cam member 95, and the driver 3 Improper transfer of rotational energy to the motor can be suppressed.
  • the cam member 95 may be configured to be able to lock the holder 85 at more rotational positions.
  • the locking mechanism 903 of the third modification shown in FIGS. 17 and 18 includes a switching lever 96 and a spacer member 97. Similar to the switching lever 91 (see FIG. 7) of the above-described embodiment, the elongated switching lever 96 is pivotable about the pivot shaft 960 extending in the left-right direction (see FIG. 1). It is supported by Further, the support end 961 supported by the rotation shaft 960 has the same configuration as the support end 911 of the switching lever 91, and includes a holder locking portion 966 and a rotation allowance portion 967.
  • the switching lever 96 of this modification is always biased by a biasing spring (not shown) in the direction in which the free end 962 pivots downward (clockwise in FIGS. 17 and 18).
  • the spacer member 97 is configured to be arrangeable in a recess 127 provided on the top of the nose portion 12.
  • the spacer member 97 is disposed in the recess 127, and the free end 962 abuts on the upper surface of the spacer member 97, whereby the switching lever 96 pivots further downward.
  • the switching lever 96 pivots downward to a position where the free end 962 abuts on the top surface of the recess 127 as compared to when the spacer member 97 is disposed.
  • the switching lever 96 pivots, the position at which the holder 85 is locked by the holder locking portion 966 moves downward.
  • the user can press the pressing force of the driver 3 by the pressing roller 83 by a very simple operation of removing the spacer member 97 from the recess 127 of the nose portion 12.
  • the adjustment can be performed to suppress the transmission failure of the rotational energy to the driver 3.
  • the driving tool may be a tool for driving a driving material other than the nail 101.
  • it may be embodied as a tacker that ejects scissors, pins, staples, etc., a staple gun.
  • the drive source of the flywheel 4 is not particularly limited to the motor 2.
  • an AC motor may be employed instead of the DC motor.
  • the configurations of the roller support member 81 and the holder 85 of the pressing mechanism 8 may be changed.
  • the roller support member 81 may be supported not by the holder 85 but by the main housing 11 so as to be movable in the vertical direction with respect to the holder 85.
  • the holder 85 is supported by the main body housing 11 so as to be rotatable in the vertical direction around the rotary shaft 856, but the entire holder 85 may be movable in the vertical direction.
  • the elastic member 87 may be configured by three or less or five or more disc springs, or may be configured by another elastic body (for example, a compression coil spring).
  • the number of pressure rollers 83 may be one or three or more.
  • the shape of the driver 3 and the configuration of the driver drive mechanism 400 for driving the driver 3 can be changed as appropriate.
  • the inclined portion 302 may be entirely formed in a straight line in a side view, or at least a part may be formed in a gentle arc shape. That is, the entire upper surface (the contact surface with the pressing roller 83) of the inclined portion 302 may be a flat surface, or the entire may be a curved surface, or a part is a flat surface and a part is a curved surface. It may be Further, the degree of inclination of the inclined portion 302 may be changed halfway.
  • the inclined portion 302 may be provided longer.
  • the roller contact portion 301 may include a plurality of inclined portions whose thickness gradually increases toward the rear.
  • the engagement aspect between the ring member 5 and the driver 3 and the flywheel 4 is not limited to the aspect exemplified in the above embodiment.
  • the number of ring members 5 and the number of engagement grooves 308 of driver 3 corresponding to ring members 5 and engagement grooves 47 of flywheel 4 may be one or three or more.
  • the shapes, positions, numbers, engagement positions, and the like of the outer circumferential engagement portion 51 and the inner circumferential engagement portion 53, and the corresponding engagement grooves 308 and engagement grooves 47 can be changed as appropriate.
  • the ring member 5 is arranged so as not to transmit the rotational energy of the flywheel 4 to the driver 3 when the driver 3 is arranged at the initial position, and starts transmission when the driver 3 is moved to the transmission position. It should just be held. Therefore, the configurations of the ring urging portion 60 and the stopper 66 of the holding mechanism 6 can be changed as appropriate.
  • the driver 3 is directly pressed against the flywheel 4 by the pressing roller 83, so that rotational energy is directly transmitted from the flywheel 4 to the driver 3 without the ring member 5 interposed therebetween.
  • a drive mechanism may be employed.
  • the pressing force by the pressing mechanism 8 is adjusted according to the degree of wear of the driver 3, defective power transmission to the driver 3 can be suppressed. There is also an aspect that this area wears more.
  • the pressing mechanism 8 is adopted.
  • the nailing machine 1 is a structural example corresponding to the "driving tool” of this invention.
  • the nail 101 is an example of a structure corresponding to the "insertion material” of this invention.
  • the tool body 10 is a configuration example corresponding to the "tool body” of the present invention.
  • the injection port 123 is a configuration example corresponding to the "injection port” of the present invention.
  • the motor 2 is a configuration example corresponding to the "motor” of the present invention.
  • the flywheel 4 is a structural example corresponding to the "flywheel” of this invention.
  • the driver 3 is a configuration example corresponding to the "driver” of the present invention.
  • the operation line L is an example corresponding to the "operation line” of the present invention.
  • the pressure roller 83 is a configuration example corresponding to the "pressure roller” of the present invention.
  • the pressing mechanism 8, the roller support member 81, the holder 85, and the elastic member 87 are configuration examples corresponding to the "pressing mechanism", the "first member”, the “second member”, and the “elastic body” in the present invention, respectively. .
  • the locking mechanisms 9, 901, 902, 903 are configuration examples corresponding to the "locking mechanism” of the present invention.
  • the locking bolt 93 is a configuration example corresponding to the "screw member” of the present invention.
  • the switching levers 91 and 96 are each a configuration example corresponding to the "switching lever” of the present invention.
  • Ring member 5 is an example of composition corresponding to a "ring member” of the present invention.
  • the operating mechanism 7 is a configuration example corresponding to the "driver moving mechanism” of the present invention.
  • the locking mechanism may include a removable spacer member between the head of the screw member and the tool body.
  • the spacer member 94 is a structural example corresponding to the "spacer member" in this aspect.
  • the locking mechanism is a spacer member that can be attached to and detached from the switching lever or the second member, and at least a portion of the spacer member and the second member are mounted on the switching lever or the second member.
  • a spacer member configured to be disposed between The position where the second member is locked by the switching lever in the locked state may be changeable by detaching the spacer member from the switching lever or the second member.
  • Spacer member 92 is an example of composition corresponding to a "spacer member” in this mode.
  • the locking mechanism includes a cam member rotatably attached to the switching lever, The position at which the second member is locked by the switching lever in the locked state may be changeable in accordance with the rotational position of the cam member.
  • the cam member 95 is a configuration example corresponding to the "cam member” in this aspect.
  • the position at which the second member is locked by the switching lever in the locked state may be changeable according to the rotation angle of the switching lever.
  • the driving tool further includes a holding mechanism that holds the ring member movably between a separated position separated from the outer periphery of the flywheel and a contact position partially in contact with the outer periphery.
  • the holding mechanism is When the driver is disposed at the initial position, the ring member is held at the spaced position, and When the driver is moved to the transmission position by the driver moving mechanism, the ring member moved according to the movement of the driver may be held at the contact position.
  • the holding mechanism 6 is a configuration example corresponding to the "holding mechanism" in this aspect.
  • the driver has an abutting surface that abuts against the pressing roller when the driver moves from the transmission position to a driving position where the driving material is driven into the workpiece.
  • At least a part of the region of the driver corresponding to the contact surface in the front-rear direction may be formed such that the thickness in the opposite direction gradually increases toward the rear.
  • the upper surface of the roller contact part 301 is a structural example corresponding to the "contact surface" in this aspect.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Abstract

L'invention concerne une machine à clouer (1), comprenant un corps d'outil (10), un moteur (2), un volant d'inertie (4), un dispositif d'entraînement (3) et un rouleau presseur (83). Le dispositif d'entraînement (3) est positionné en regard de la périphérie externe du volant d'inertie (4), et se déplace vers l'avant dans une ligne droite le long de la ligne de fonctionnement (L) au moyen d'une énergie de rotation transmise à partir du volant d'inertie (4), frappant et éjectant ainsi un clou (101) à partir d'une ouverture d'éjection (123). Le rouleau presseur (83) est positionné en regard du dispositif d'entraînement (3) sur le côté opposé au volant d'inertie (4) et presse le dispositif d'entraînement (3) dans la direction vers le volant d'inertie (4) pendant la course, lorsque le dispositif d'entraînement (3) se déplace vers l'avant, permettant à l'énergie de rotation d'être transmise au dispositif d'entraînement (3). La machine à clouer (1) est conçue de sorte qu'il est possible de régler la force de pression du rouleau presseur (83) sur le dispositif d'entraînement (3).
PCT/JP2018/023526 2017-07-06 2018-06-20 Outil d'entraînement WO2019009078A1 (fr)

Applications Claiming Priority (2)

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JP2017-132830 2017-07-06
JP2017132830A JP6951136B2 (ja) 2017-07-06 2017-07-06 打込み工具

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112091895A (zh) * 2019-06-17 2020-12-18 株式会社牧田 打入工具

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020120886A (ja) * 2019-01-30 2020-08-13 京楽産業．株式会社 遊技機
JP2020120884A (ja) * 2019-01-30 2020-08-13 京楽産業．株式会社 遊技機

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6016372A (ja) * 1983-03-17 1985-01-28 デユオ−フアスト・コ−ポレ−シヨン フアスナ打込み機
JPS62114886A (ja) * 1985-09-10 1987-05-26 デユオ−フアスト　コ−ポレ−シヨン 留め具打込み工具
JPH06179178A (ja) * 1989-12-19 1994-06-28 Duo Fast Corp ファスナー打ち込み機

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6016372A (ja) * 1983-03-17 1985-01-28 デユオ−フアスト・コ−ポレ−シヨン フアスナ打込み機
JPS62114886A (ja) * 1985-09-10 1987-05-26 デユオ−フアスト　コ−ポレ−シヨン 留め具打込み工具
JPH06179178A (ja) * 1989-12-19 1994-06-28 Duo Fast Corp ファスナー打ち込み機

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112091895A (zh) * 2019-06-17 2020-12-18 株式会社牧田 打入工具
CN112091895B (zh) * 2019-06-17 2023-09-22 株式会社牧田 打入工具

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JP2019014010A (ja) 2019-01-31

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