TWI477331B - Electromotive pull nail gun with pre - tensioned nail and its operation method - Google Patents

Description

Electric rivet gun capable of pre-pinching and operation method thereof

The present invention relates to an electric riveter, and more particularly to a pre-tensioned electric rivet gun and method of operation thereof.

The conventional electric rivet gun mainly comprises a casing, a button disposed outside the casing and a nozzle, and a driver and a rivet mechanism disposed in the casing. The user first inserts a rivet rod into the nozzle, and then the main body of the rivet is inserted into the perforation of the object to be fixed, and then the button is pressed to start the driver, and the rivet mechanism is driven to Moving away from the direction of the nozzle, the rivet mechanism clamps the rivet of the rivet and pulls the shank after moving a predetermined distance, so that the body of the rivet is fixed in the perforation of the object to be fixed.

However, when the user has not pressed the button, as long as the muzzle is slightly inclined downward, the rivet will fall from the nozzle, so the user usually uses both hands to maintain the electric nail gun at the level of the nozzle or A slightly uplifting posture has caused many inconveniences in use.

There is an electric rivet gun on the market. Before the drive drives the rivet mechanism, the rivet is fixed to the nozzle by magnetic attraction to prevent the rivet from falling during the operation. However, if the user does not want to use it, it is fixed. In the rivet of the nozzle, the rivet must be manually removed, so that the method of removing the rivet is quite inconvenient and laborious.

In view of the above-mentioned deficiencies, the main object of the present invention is to provide a pre-tensioned electric rivet gun and a method of operating the same that can effectively improve the absence of the conventional electric rivet gun.

In order to achieve the above object, the pre-pinch electric rivet gun provided by the present invention comprises an operation unit for the user to operate, a control unit electrically connected to the operation unit, and an electric control unit. a connected driving unit, and a clamping unit connected to the driving unit, wherein the control unit is controlled according to a manner in which the user operates the operating unit The driving unit is driven by the driving unit to move between a starting position, a pre-tensioning position and a pulling-off position, and the clamping unit can be used to set a rivet when the starting position is located. The clamping unit can clamp the rivet when the pre-tensioning position is located, and the clamping unit can pull the rivet when the pulling position is located.

In addition, the present invention further provides the operation of the pre-tensioned electric rivet gun as described above. The method comprises the steps of: a) placing a rivet on the clamping unit when the clamping unit is in the starting position; b) operating the operating unit in a first operating manner, such that the clamping unit Moving the starting position to the pre-tensioning position and clamping the rivet; and c) operating the operating unit in a second mode of operation such that the clamping unit moves from the pre-tensioned position to the pulled-off position and pulls the handle rivet.

Thereby, the user can perform step a) and step b) first, so that the electric pull stud The rivet to be used is fixed in advance until the rivet is set to be fixed, and then step c) is performed, so that the electric rivet gun pulls the rivet and fixes it to the object to be fixed, so that the rivet can be avoided. Dropped during operation to improve ease of use.

In addition, the pre-tensioned electric rivet gun provided by the invention and the operator thereof In the method, the operating unit can be operated in a third operation mode after the step a), so that the clamping unit moves from the pre-tensioned position to the starting position and releases the rivet; The control unit can also automatically move the clamping unit to the starting position and release the rivet when the holding unit is maintained in the pre-tensioning position for a predetermined time; thereby, the user can conveniently and labor-savingly The rivet that has been fixed to the electric rivet gun is removed.

Pre-stretchable electric rivet gun provided by the invention and operation method thereof The detailed construction, features, assembly, or manner of use will be described in the detailed description of the subsequent embodiments. However, it should be understood by those of ordinary skill in the art that the present invention is not limited by the scope of the invention.

10‧‧‧Electric rivet gun

20‧‧‧ Shell

22‧‧‧ grip

24‧‧‧ base

26‧‧‧ Subject

262‧‧‧The second half

264‧‧‧ first half

30‧‧‧ gun mouth

40‧‧‧Operating unit

42‧‧‧ button

50‧‧‧Control unit

60‧‧‧ drive unit

62‧‧‧Drive wheel

70‧‧‧Clamping unit

72‧‧‧ shaft

74‧‧‧Limited parts

742‧‧‧Conical perforation

76‧‧‧Clamping parts

80‧‧‧ Rivets

82‧‧‧nails

84‧‧‧ Subject

91~96‧‧‧Steps

P1‧‧‧ starting position

P2‧‧‧Pre-tensioning position

P3‧‧‧ Broken position

1 is a perspective view of a pre-tensioned electric rivet gun according to a preferred embodiment of the present invention; 2 is a system block diagram of a pre-pinch electric rivet gun according to the preferred embodiment of the present invention; and FIG. 3 is a pre-tensioned electric rivet provided by the preferred embodiment of the present invention. The cross-sectional view of the gun shows a state in which the clamping unit is at a starting position; the fourth drawing is similar to the third drawing, but shows that the clamping unit is in a pre-tensioned position; Similar to FIG. 3, but showing the clamping unit in a pull-off position; and FIG. 6 is a method for operating the pre-tensionable electric rivet gun provided by the preferred embodiment of the present invention. Flow block diagram.

Referring to FIG. 1 , a pre-stretchable electric rivet gun 10 according to a preferred embodiment of the present invention is similar in appearance to a conventional one, and includes a housing 20, a lance 30, and an operation. Unit 40. The housing 20 includes a grip portion 22 for the user to hold, and a base portion 24 and a main body 26 at the two ends of the grip portion 22, the gun nozzle 30 protruding from the front end of the main body 26 The operating unit 40 is disposed on the grip portion 22 for convenient operation by the user.

Referring to FIGS. 2 to 5 , a housing unit 20 of the electric nail gun 10 is provided with a control unit 50 , a driving unit 60 and a clamping unit 70 . The control unit 50 is coupled to the operating unit 40 and the driving unit 40 . The unit 60 is electrically connected, and the clamping unit 70 is connected to the driving unit 60. The control unit 50 controls the driving unit 60 according to the manner in which the user operates the operating unit 40, so that the clamping unit 70 is driven by the driving unit 60. Unit 60 is driven to move between a starting position P1 (as shown in Figure 3), a pre-tensioning position P2 (as shown in Figure 4), and a pull-off position P3 (shown in Figure 5).

In the present embodiment, the operating unit 40 includes a button 42 (shown in FIG. 1) and a conductive element (not shown) that can be triggered by the button 42 and electrically connected to the control unit 50. The driving unit 60 includes a motor (not shown) located in the rear half 262 of the main body 26 and electrically connected to the control unit 50, and a driving wheel 62 that can be driven by the motor (as shown in FIG. 3). Show). The clamping unit 70 is located in the front half 264 of the main body 26, and includes a limiting rod 74 having a rear end and a connecting rod 62 and a front end extending into the nozzle 30, a limiting member 74 fixed to the front end of the shaft 72, and a tapered portion disposed on the limiting member 74 Two clamping members 76 in the perforations 742. The control unit 50 can control the rotation of the motor of the driving unit 60, so that the driving wheel 62 rotates with the motor to drive the shaft 72 of the clamping unit 70, and the clamping unit 70 rotates while generating linear motion. And move to the starting position P1, the pre-tensioning position P2, and the breaking position P3.

The foregoing structure is a preferred embodiment, but the operation provided by the present invention The configuration of the unit 40, the driving unit 60 and the clamping unit 70 is not limited to the foregoing, as long as the operating unit 40 can be operated by a user to control the operation of the driving unit 60 through the control unit 50, thereby making the folder The holding unit 70 can be moved. The method of operating the electric nail gun 10 will be described in detail below, while further explaining the effect of the clamping unit 70 at the respective positions P1, P2, P3.

Referring to FIG. 6, the operation method of the electric nail gun 10 mainly includes the following steps:

a) A rivet 80 is placed in the clamping unit 70 when the clamping unit 70 is at the starting position P1, that is, step 91 in Fig. 6. As shown in FIG. 3, when the clamping unit 70 is located at the initial position P1, the user can extend the shank 82 of the rivet 80 into the nozzle 30, and the shank 82 also extends into the two clamping positions. Between pieces 76.

b) operating the operating unit 40 in a first mode of operation (e.g., clicking the button 42 once, i.e., tapping the button 42 to release), causing the clamping unit 70 to move from the starting position P1 to the The position P2 is pretensioned and the rivet 80 is clamped, that is, step 92 in Fig. 6. As shown in FIG. 4, when the clamping unit 70 is located at the pre-tensioning position P2, the two clamping members 76 are pressed by the limiting member 74 to clamp the shank 82 of the rivet 80. At this time, the user can set the main body 84 of the rivet 80 to the object to be fixed (not shown), and the rivet 80 does not fall even if the nozzle 30 is not maintained horizontal or raised.

c) operating the operating unit 40 in a second mode of operation (eg, pressing the button 42 long, that is, continuously pressing the button 42 without releasing), causing the clamping unit 70 to move from the pre-tensioned position P2 to the pull-off Position P3 and pull the rivet 80 (as shown in Fig. 5), that is, step 93 in Fig. 6. At this time, the main body 84 of the rivet 80 is separated from the shank 82 and fixed to the object to be fixed.

In the foregoing pre-tensioned electric rivet gun 10 and its operating method, the control The unit 50 can be set to control the clamping unit 70 to return to the starting position P1 when the button 42 is long pressed and then released, that is, step 94 in FIG. 6, so that the user can perform the foregoing again. Step a) to step c).

In the foregoing pre-tensioned electric rivet gun 10 and its operation method, the operation The unit 40 is further operable by the user in a third mode of operation (e.g., clicking the button 42 twice) after the step b) (i.e., step 92 in FIG. 6), such that the clamping unit 70 The pretensioning position P2 is moved to the starting position P1 and the rivet 80 is released, that is, step 95 in Fig. 6. In this way, after the user performs step a) and step b), if the rivet 80 that has been fixed to the nozzle 30 is suddenly not used, the rivet 80 can be removed conveniently and labor-savingly.

In the foregoing pre-tensioned electric rivet gun 10 and its operating method, the control The unit 50 can be further configured to automatically move the clamping unit 70 to the starting position P1 and release when the clamping unit 70 is maintained at the pre-tensioning position P2 for a predetermined time (for example, 10 minutes). The rivet 80, that is, step 96 in Fig. 6, prevents the clamping unit 70 from being damaged by the pretensioning of the rivet 80 for a long time.

Finally, it is to be noted that the constituent elements disclosed in the foregoing embodiments are merely illustrative and are not intended to limit the scope of the present invention, and alternative or variations of other equivalent elements should also be the scope of the patent application of the present application. Covered.

91~96‧‧‧Steps

Claims (10)

An electric rivet gun capable of pre-pinching, comprising: an operating unit for operating by a user; a control unit electrically connected to the operating unit; and a driving unit electrically connected to the control unit And a clamping unit connected to the driving unit; wherein the control unit controls the driving unit according to a manner in which the user operates the operating unit, so that the clamping unit is driven by the driving unit to start a position, a pre-pull position and a pull-off position, wherein the clamping unit can be used to set a rivet when the starting position is located, the clamping unit can clamp the rivet when the pre-tensioning position is located, the clip The rivet can be broken when the holding unit is in the pull-off position. The pre-tensioned electric rivet gun of claim 1, wherein the operating unit is adapted for the user to operate in a first operation mode to move the clamping unit from the starting position to the pre-loading Pulling the position and allowing the user to operate in a second operation mode to move the clamping unit from the pre-tensioned position to the pull-off position, and for the user to operate in a third operation manner to cause the clamping unit to self-operate The pre-tensioned position is moved to the starting position. The pre-tensioned electric rivet gun of claim 2, wherein the operating unit comprises a button, the first operation mode is that the button is clicked once, and the second operation mode is long pressing the button The third mode of operation is to click the button twice. The pre-tensioned electric rivet gun of claim 1, wherein the control unit automatically moves the clamping unit to the pre-tensioning position when the clamping unit is maintained for a predetermined time. The starting position and release the rivet. A method for operating a pre-pinchable electric rivet gun according to claim 1, comprising the steps of: a) placing a rivet on the clamping when the clamping unit is in the initial position; Unit; b) operating the operating unit in a first mode of operation such that the clamping unit moves from the initial position to the pre-tensioned position and clamps the rivet; and c) operates the operating unit in a second mode of operation The clamping unit is moved from the pre-tensioned position to the pulled-off position and the rivet is pulled. The method for operating a pre-pinchable electric rivet gun according to claim 5, wherein the operating unit comprises a button, the first operation mode is that the button is clicked once, and the second operation mode is long Press the button. The method of operating a pre-pinchable electric rivet gun according to claim 6, wherein the clamping unit returns to the starting position when the button is long pressed and then released. The operation method of the pre-pinch electric rivet gun according to claim 5, wherein the operation unit is further operated in a third operation mode after the step b), so that the clamping unit is self-prepared The pull position is moved to the starting position and the rivet is released. The method of operating a pre-pinchable electric rivet gun according to claim 8, wherein the operating unit comprises a button, and the third mode of operation is to click the button twice. The method of operating a pre-pinch electric rivet gun according to claim 5, wherein the control unit automatically causes the clamping unit to maintain the pre-tensioning position for a predetermined time. The unit moves to the starting position and releases the rivet.