JP2015131316A - Pincette type soldering iron - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pincette type soldering iron capable of performing a pincette setting work efficiently according to the shape and size of an electronic part.SOLUTION: A pincette type soldering iron 1 for mounting and de-mounting electronic parts by melting a solder, is characterized by comprising: a pair of pincettes 10 and 20 for gripping the electronic parts; a rolling mechanism 50 for supporting the individual pincettes 10 and 20 turnably; and an angle adjustment mechanism 51 provided on said rolling mechanism 50 for setting the opening width of the leading ends of said pincettes 10 and 20 selectively.

Description

  The present invention relates to a tweezers type soldering iron for attaching an electronic component to a circuit board or removing an electronic component from a circuit component.

  As a tweezers type soldering iron for attaching or removing an electronic component such as an IC, a resistor or a capacitor to a circuit board such as a printed circuit board by melting the solder, the techniques shown in Patent Documents 1 and 2 are shown. Yes.

  For example, in Patent Document 1, a pair of leg portions (shaft portions) each provided with a contact portion for holding an electronic component while heating an electronic component at a tip portion, and both legs so that the leg portions approach or separate in a state of being parallel to each other. The structure provided with the connection mechanism which connects a part is shown.

  Further, in the tweezers type soldering iron of Patent Document 2, the first and second moving parts (shaft parts) that are built in the case and move in translation and provided at the tips of the moving parts are opened and gripped. A tweezers having a gripping part and a heating element built in the case and connected to the second moving part, and in a state where the tweezers grips an object, the heating element is in thermal contact with the end of the tweezers The structure which translates the 2nd moving part so that it does is shown.

JP 2004-58064 A JP 2008-80380 A

  In the tweezers-type soldering iron as described above, a heating unit that heats the tip is incorporated in the tweezers, and when operated by an operator, the heat from the heating unit is transferred to the electronic component gripped by the tip of the tweezers. Then, the soldering points in contact with both sides of the electronic component are melted simultaneously.

  By the way, in the above-mentioned tweezers type soldering iron, if the electronic component is gripped frequently, the tweezers located at the tip will be worn out, so that it is necessary to replace the tweezers with a new one. Periodic replacement work of such tweezers As a result, there is a problem that the efficiency of attaching or removing the electronic component to the circuit board is deteriorated.

  In the tweezers type soldering iron, the tweezers located at the tip are often fixed to the heating part. When replacing the tip, additional work such as removing the tweezers from the heating part each time. There is also a problem that the work efficiency deteriorates in this respect.

  Furthermore, with the tweezers-type soldering iron, it is necessary to replace the tweezers in accordance with the size of the electronic component, and there is a problem that the overall work efficiency deteriorates due to the replacement work.

  The present invention has been made in view of the above-described circumstances, and an object of the present invention is to provide a tweezers type soldering iron capable of efficiently performing a tweezer replacement operation.

In order to solve the above problems, the present invention proposes the following means.
The present invention is a tweezers type soldering iron that attaches or removes an electronic component by melting solder, a pair of tweezers that grips the electronic component, and a rotation mechanism that rotatably supports each tweezer; An angle adjusting mechanism provided in the rotating mechanism for adjusting an opening width of the tweezers tip.

  The rotating mechanism includes a pair of rotating shafts that pivotally support the tweezers and are arranged in parallel to each other, urging means that urges the tweezers in a direction away from each other, and contacts the tweezers. A stopper for separating the tweezer tips so as to have a preset opening width, and the angle adjusting mechanism adjusts the position of the stopper to adjust the opening width of the tweezer tips. It has a switch.

  The stopper has a first stopper having a wide opening width at the tip of the tweezers and a second stopper having a narrow opening width at the tip of the tweezers, and the angle adjusting mechanism operates the stopper operation switch. Thus, any one of the first and second stoppers can be brought into contact with the tweezers.

  The angle adjusting mechanism arranges the second stopper so that the second stopper can be moved forward and backward with respect to the rotation path of the tweezers, and causes the second stopper to contact the tweezers at an advanced position by operating the stopper operation switch. Further, the first stopper is brought into contact with the tweezers at a retracted position.

  The second stopper is disposed on the rear end side of the tweezers located on the opposite side of the front end of the tweezers across the rotation shaft, and is disposed between the rear ends of the tweezers so as to freely advance and retract. It is characterized by.

  According to the present invention, the angle adjustment mechanism includes a rotation mechanism that rotatably supports a pair of tweezers that grips an electronic component, and an angle adjustment mechanism that adjusts the opening width of the tip of the tweezers. By adjusting the opening width of the tip of the tweezers by using the tweezers, the tweezers can be set according to the shape and size of the electronic component without particularly changing the tweezers. As a result, electronic parts having different shapes and sizes can be efficiently attached to or removed from the circuit board by tweezers.

  Specifically, the angle adjusting mechanism includes a first stopper having a wide opening width at the tip of the tweezers and a second stopper having a narrow opening width at the tip of the tweezers, and these first or second stoppers. By bringing either one of them into contact with the tweezers, tweezers can be easily set in accordance with the shape and size of the electronic component.

1 is a plan view according to an embodiment of the present invention, and shows a tweezers-type soldering iron in which a tip portion and a iron body portion are combined. It is the perspective view which looked at the tweezers type soldering iron shown in FIG. 1 from the diagonal side. FIG. 2 is a perspective view showing a state where a tip portion and a main body portion of the iron are separated from each other in the tweezers type soldering iron shown in FIG. 1. It is an exploded top view which shows the specific example of the connection means which concerns on one Embodiment of this invention, Comprising: The state in which the retaining lever is engaged is shown. FIG. 5 is an exploded plan view showing that the retaining lever of FIG. 4 is in a disengaged state. It is a perspective view which shows the state which the tip part and the iron body part were isolate | separated, Comprising: Especially the positional relationship of the 2nd stopper (shaded part) incorporated in the iron body part is shown. It is explanatory drawing which shows the state which has the 2nd stopper (shaded part) shown in FIG. 6 in a retreat position. It is explanatory drawing which shows operation | movement of a 2nd stopper, Comprising: (A) is a figure which shows that the tweezers was set to the wide opening width by the backward movement of the 2nd stopper, (B) is a function of the 1st stopper It is a figure which shows having done. It is explanatory drawing which shows operation | movement of a 2nd stopper, Comprising: (A) is a figure which shows that the tweezers was set to the narrow opening width by the advance movement of the 2nd stopper, (B) is a function of the 2nd stopper It is a figure which shows having done. It is a principal part enlarged plan view which shows another embodiment of the angle adjustment mechanism in the tweezers type soldering iron of this invention. It is a principal part enlarged plan view which shows another embodiment of the angle adjustment mechanism in the tweezers type soldering iron of this invention.

An embodiment of the present invention will be described with reference to FIGS.
1 to 3 show a tweezer-type soldering iron 1 that attaches or removes an electronic component by melting solder, and includes a pair of tweezers 10 and 20 that hold the electronic component. 30 and a main body 31 on the base end side that supports the tip 30.

  In the tip portion 30, the electric cable 32 connected to the rear portion of the iron body portion 31 and the heating that receives power supply through the plug 33 (see FIG. 3) installed between the iron body portion 31 and the iron wire body 32. A part (not shown) is built in, and heat generated by the heating part is transmitted to the tweezers 10 and 20 of the tip part 30. And from this heat, the electronic component can be soldered or removed at the most advanced position of the tweezers 10 and 20.

  In addition, although this heating part is arrange | positioned in the tip part 30, it is not limited to this, It arrange | positions in the iron body part 31, and the tweezers 10 which is located in the tip part 30 side in the generated heat, 20 may be transmitted.

  Further, the gripping portion of the tip portion 30 has, for example, a curved shape and is formed so as to spread in a flare toward the attachment side of the tweezers 10 and 20. Accordingly, when the operator grips the grip portion of the tip portion 30, it is possible to prevent the operator's fingers from coming into contact with the heated tweezers 10 and 20 by sliding from the grip portion.

A connecting means 40 is provided between the tip part 30 and the iron body part 31 for detaching them.
As shown in FIGS. 4 and 5, the connecting means 40 is provided on the tip portion 30 side, and when the tip portion 30 is pushed into the tip body portion 31, the tip body portion 31 is provided. And a lever operating portion 42 provided on the side of the iron body portion 31 and for releasing the engagement between the iron tip portion 30 and the iron body portion 31 by the retaining lever 41. Have.

  The retaining lever 41 is formed by an elastic material so as to be swingable. As shown in FIG. 4, the tip portion 30 is pushed into the iron body portion 31 in the direction of the arrow (b). In this state, the tip piece 41 </ b> A is engaged with the engaged portion 43 formed in a concave shape on the side portion of the iron body portion 31.

  The tip portion 30 and the iron body portion 31 are prevented from coming off by the engagement between the tip piece 41A of the retaining lever 41 and the engaged portion 43, and the tip portion 30 and the iron body. The part 31 is integrated.

  The lever operation part 42 is provided on the side of the iron body 31 so as to be rotatable in the direction of the arrow a1-a2 about the shaft 42A, and the tip 42B is moved in the direction of the arrow a1 by the operator's operation. When pressed, it comes into contact with the retaining lever 41 and presses the tip piece 41 </ b> A in the same direction against the elastic force of the retaining lever 41. Further, at the rear of the tip 42B of the lever operation unit 42 is an operation button 42C for pressing the lever operation unit 42 toward the arrow a1 side.

  In the connecting means 40, when the operator presses the operation button 42C of the lever operating portion 42 and the lever operating portion 42 is pressed in the direction of the arrow a1, the tip end piece 41A of the retaining lever 41 and The engaged state with the engaged portion 43 is released. As a result, as shown in FIG. 5, the tip portion 30 can be removed from the iron body portion 31 (the removal direction is indicated by an arrow (A)). Thereafter, the tweezers 10 and 20 can be exchanged by replacing the tip 30 with another new tip 30.

  Also, after replacing the tip part 30, as shown in FIGS. 5 to 4, if the replaced tip part 30 is pushed in the direction of the arrow (b) with respect to the iron body part 31, it will come off. The distal end piece 41A of the retaining lever 41 can be reengaged with the engaged portion 43 by the elastic return force of the retaining lever 41 (state of FIG. 4). Thereby, the tip part 30 and the iron body part 31 can be coupled and integrated.

  In the connection means 40 of the above embodiment, the retaining lever 41 is provided on the tip portion 30 side and the engaged portion 43 is provided on the iron body portion 31 side. However, the present invention is not limited to this. The retaining lever 41 may be provided on the main body portion 31 side, and the engaged portion 43 may be provided on the tip portion 30 side. The positions of the retaining lever 41 and the engaged portion 43 can be set as appropriate.

  Next, the tweezers 10 and 20 are provided in the rotation mechanism 50 that supports the tweezers 10 and 20 so as to be rotatable in the directions of arrows b1-b2 and c1-c2, and the opening width of the tweezers 10 and 20 at the tip (reference numeral). An angle adjusting mechanism 51 that adjusts M1 and M2) will be described with reference to FIGS.

  The rotating mechanism 50 is attached to a pair of rotating shafts 11 and 21 arranged so as to support the tweezers 10 and 20 and to be parallel to each other, and in the directions of arrows b1 and c1 that separate the tweezers 10 and 20 from each other. Urging means (not shown) for urging, first stoppers S1A, S1B and the first stoppers S1A, S1B for contacting the tweezers 10, 20 and separating them so that the tips of the tweezers 10, 20 have preset opening widths M1, M2. 2 stoppers S2.

  These first stoppers S1A and S1B are arranged in the rotation circuit of each of the tweezers 10 and 20, and come into contact with the protruding pieces 12 and 22 forming part of the tweezers 10 and 20, respectively (FIGS. 8 to 8). (See FIG. 9). The second stopper S2 is disposed on the rear end side of the tweezers 10 and 20 located on the opposite side of the front ends of the tweezers 10 and 20 with the rotation shafts 11 and 21 interposed therebetween, and the rear of the tweezers 10 and 20 Between the ends, they are arranged so as to be able to advance and retreat (movable in the directions of arrows (A) to (B)) (see FIGS. 6 to 9).

  In the first stoppers S1A and S1B, as shown in FIGS. 8A and 8B, the tweezers 10 and 20 are positioned so as to have a large opening width M1 by the urging means. Further, in the second stopper S2, as shown in FIGS. 9A and 9B, the tweezers 10 and 20 are positioned by the biasing means so as to have a narrow opening width M2 smaller than the opening width M1. Yes.

  There are various sizes of electronic parts picked up by the tweezers type soldering iron 1, but by setting the opening width M1 and the opening width M2, for example, when using when taking a small-sized part, it opens. By limiting the width, it is possible to reduce unnecessary opening and closing operations and greatly improve workability.

  Further, in this rotation mechanism 50, as shown in FIGS. 6 and 7 (not shown in FIGS. 8 and 9), gears 13 and 23 are arranged on the rotation shafts 11 and 21 of the tweezers 10 and 20, The tweezers 10 and 20 are opened symmetrically by meshing with each other.

  In this way, by opening the tweezers 10 and 20 symmetrically, the tweezers 10 and 20 can be pressed against the electronic component in the same way symmetrically. As a result, it is not necessary for the operator to consider the right and left force when grasping the electronic component, and the workability can be greatly improved.

  The angle adjustment mechanism 51 is operated by a stopper operation switch 52 provided on the iron body 31. The position of the second stopper S2 of the rotation mechanism 50 is adjusted by the operation of the stopper operation switch 52. Then, the opening widths M1 and M2 at the tips of the tweezers 10 and 20 are adjusted.

  Specifically, the angle adjusting mechanism 51 can move the second stopper S2 forward and backward with respect to the rotation path of the tweezers 10 and 20 by the operation of the stopper operation switch 52 (movable in the directions of arrows (A) to (B)). ).

  In the angle adjustment mechanism 51, the stoppers that can contact the tweezers 10 and 20 at the retracted position of the second stopper S2 along the arrow (b) direction are the first stoppers S1A and S1B (FIG. 8B). )), And a stopper that can contact and engage with the engaged portions 14 and 24 of the tweezers 10 and 20 at the advance position of the second stopper S2 along the direction of the arrow (A). S2 is set (see FIG. 9B).

  That is, the angle adjusting mechanism 51 tweezers either the first stopper S1A, S1B or the second stopper S2 by the backward movement of the second stopper S2 in the arrow (b) direction or the advancement of the arrow (b) direction. 10 and 20 can be contacted, whereby the opening width M1 or M2 of the tweezers 10 and 20 can be selectively set.

  As a result, in the tweezers-type soldering iron 1 shown in the present embodiment, the opening width M1 or M2 of the tweezers 10 and 20 by the angle adjusting mechanism 51 can be selectively set, whereby the tweezers 10 and 20 can be replaced. It is possible to perform the setting operation of the tweezers 10 and 20 according to the shape and size of the electronic component without performing the operation.

  In this embodiment, a configuration with two stages is illustrated as an example of such an opening width, but the opening width can be three or more stages, multi-stages, or the opening width can be adjusted steplessly. It is also preferable to do.

  9B, the second stopper S2 is brought into contact with the engaged portions 14 and 24 of the tweezers 10 and 20 at the advance position of the second stopper S2 along the direction of the arrow (A) shown in FIG. In order to enable engagement, the operator temporarily pinches the tips of the tweezers 10 and 20 with fingers in the direction (arrow b2 direction and arrow c2 direction) to narrow the space between the rear ends of the tweezers 10 and 20. There is a need. However, this operation may be performed mechanically in conjunction with the stopper operation switch 52 instead of manually.

  As described in detail above, in the tweezers-type soldering iron 1 shown in the present embodiment, when the operator operates the lever operating portion 42 of the connecting means 40, the tip portion 30 and the iron with the retaining lever 41 are provided. The engaged state with the main body 31 is released.

As a result, when it becomes necessary to replace the tweezers 10 and 20 in the tip portion 30 having a pair of tweezers 10 and 20 for gripping electronic components, the retaining lever 41 is operated through the lever operating portion 42. Thus, the engagement state by the retaining lever 41 can be released, and the tip portion 30 can be easily detached from the iron body portion 31.
As a result, it is possible to efficiently attach electronic components that are different in size to the circuit board using the tweezers-type soldering iron 1 or to remove the electronic components from the circuit components.

As a result, even when the tweezers 10 and 20 are heated and in a hot state, the tweezers 10 and 20 can be replaced without waiting until the tweezers 10 and 20 are cooled, and the working efficiency can be greatly improved.
In addition, since the tweezers 10 and 20 are an integral member as the tip portion 30, it is possible to ensure that the tip misalignment of the left and right tweezers may occur when the left and right tweezers are individually replaced. Can be prevented.

  Further, the tip 30 having the tweezers 10 and 20 can be removed from the main body 31 only by operating the retaining lever 41 through the lever operating portion 42, so that the tweezers according to the shape of the electronic component can be obtained. The work efficiency of exchanging 10, 20 can be improved.

  Further, the retaining lever 41 of the connecting means 40 is provided on either the tip part 30 or the iron body part 31, and is engaged with either the iron part 30 or the iron body part 31. By being combined, these are connected to each other, so that structural restrictions for installing the retaining lever 41 can be minimized.

  In addition, by adopting a configuration in which a heating unit that heats the tweezers 10 and 20 of the tip 30 is disposed on the side of the main body 31, each time the tweezers 10 and 20 of the tip 30 is replaced. In addition, it is not necessary to remove the heating portion, and this also makes it possible to attach electronic components to the circuit board or remove the electronic components from the circuit components with the tweezers-type soldering iron 1.

10A to 10C are plan views showing another embodiment of the angle adjusting mechanism in the tweezers-type soldering iron of the present invention.
The angle adjustment mechanism 61 of the tweezers type soldering iron in this embodiment includes two movable pieces 62a and 62b, a screw 63 screwed to the movable pieces 62a and 62b, and a base portion that rotatably supports the screw 63. 64.

  The screw 63 has a right screw region 63a and a left screw region 63b with the center along the rotation axis as a boundary. The right screw region 63a and the left screw region 63b are threaded so as to be opposite to each other. The movable piece 62a is screwed to the right screw region 63a, and the movable piece 62b is screwed to the left screw region 63b.

  With such a configuration, when the operation portion 63c of the screw 63 is rotated, the screw 63 is rotated, and the movable piece 62a and the movable piece 62b are moved toward or away from each other. For example, FIG. 10B shows a state in which the movable piece 62a and the movable piece 62b are separated as much as possible, and by rotating the screw 63 from this position, the movable piece 62a and the movable piece 62b are brought closer to each other. The interval between the movable piece 62a and the movable piece 62b can be adjusted to an arbitrary width steplessly. Note that the operation of rotating the screw 63 may be performed by rotating a notch formed on the side surface of the screw 63 with a flat-blade screwdriver or the like, as shown in FIG.

  By applying such an angle adjusting mechanism 61 to the tweezers type soldering iron, the opening angle of the tweezers can be adjusted steplessly within an arbitrary range. For example, when the contact portions 62af and 62bf of the movable pieces 62a and 62b are brought into contact with the engaged portions 14 and 24 of the tweezers 10 and 20 shown in FIG. The angle can be adjusted steplessly within an arbitrary range.

FIG. 11 is a plan view showing another embodiment of the angle adjusting mechanism in the tweezers type soldering iron of the present invention.
The angle adjusting mechanism 71 of the tweezers type soldering iron in this embodiment includes stepped notches 74 and 75 formed on the rotation shafts 72 and 73 of the tweezers 10 and 20 (see FIG. 8), and the notches 74. , 75, and a second stopper S2.

  According to such an angle adjustment mechanism 71, by changing the engagement position between the second stopper S2 and the notches 74 and 75, for example, the tweezers 10 and 20 ( 8) can be regulated in stages.

  As mentioned above, although embodiment of this invention was explained in full detail with reference to drawings, the concrete structure is not restricted to this embodiment, The design change etc. of the range which does not deviate from the summary of this invention are included.

  The present invention relates to a tweezers type soldering iron for attaching an electronic component to a circuit board or removing an electronic component from a circuit component.

DESCRIPTION OF SYMBOLS 1 Tweezer type soldering iron 10 Tweezers 11 Rotating shaft 20 Tweezers 21 Rotating shaft 30 Tip part 31 Iron body part 40 Connection means 41 Retaining lever 42 Lever operation part 43 Engagement part 50 Rotation mechanism 51 Angle adjustment mechanism 52 Stopper operation switch S1A First stopper S1B First stopper S2 Second stopper M1 (Wide) opening width M2 (Narrow) opening width

Claims (5)

A tweezers type soldering iron that attaches or removes electronic components by melting solder,
A pair of tweezers for gripping electronic components;
A rotation mechanism that rotatably supports each tweezer;
A tweezers type soldering iron, comprising: an angle adjusting mechanism that is provided in the rotating mechanism and adjusts an opening width of the tip of the tweezers. The rotating mechanism includes a pair of rotating shafts that pivotally support the tweezers and are arranged in parallel to each other, urging means that urges the tweezers in a direction away from each other, and contacts the tweezers. And a stopper for separating the tweezer tips so as to have a predetermined opening width with each other,
2. The tweezers type soldering iron according to claim 1, wherein the angle adjusting mechanism includes a stopper operation switch that adjusts a position of the stopper to adjust an opening width of the tip of the tweezers. The stopper includes a first stopper having a wide opening width at the tip of the tweezers, and a second stopper having a narrow opening width at the tip of the tweezers,
3. The tweezers-type soldering iron according to claim 2, wherein the angle adjustment mechanism enables either the first stopper or the second stopper to contact the tweezers by operating the stopper operation switch. .   The angle adjusting mechanism arranges the second stopper so that the second stopper can be moved forward and backward with respect to the rotation path of the tweezers, and causes the second stopper to contact the tweezers at an advanced position by operating the stopper operation switch. The tweezers-type soldering iron according to claim 3, wherein the first stopper is brought into contact with the tweezers at a retracted position.   The second stopper is disposed on the rear end side of the tweezers located on the opposite side of the front end of the tweezers across the rotation shaft, and is disposed between the rear ends of the tweezers so as to freely advance and retract. The tweezers-type soldering iron according to claim 4.

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