JP3087641B2 - Marking device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a marking device for marking a coating surface of an electric wire fed along an electric wire feeding line, and more particularly to a marking device which is driven to rotate in accordance with the feeding of the electric wire. The present invention relates to a marking apparatus comprising a roll for marking a coated surface of the roll, and an ink removing means for removing excess ink supplied to a peripheral surface of the roll.

[0002]

2. Description of the Related Art For example, in an internal combustion engine having a plurality of cylinders,
When a plurality of high-voltage wires are used to connect the ignition coil and each cylinder, in order to indicate which cylinder each of these high-voltage wires corresponds to, the coating surface of each high-voltage wire must be There is a method of adding a mark indicating the number of each cylinder.

[0003] As a marking device for marking a wire as described above, for example, there is a device as shown in FIG.

[0004] This marking device includes a pair of guide pulleys 302 and 3 arranged vertically in the main body 300 of the device.
03 guides an electric wire fed from the front to the rear of the apparatus main body 300 from above to below, and turns a pair of rolls 308 and 309 so as to sandwich the electric wire fed and guided in the vertical direction from both sides. It is arranged movably.

A circumferential groove corresponding to the outer shape of the electric wire is formed on the outer periphery of both rolls 308 and 309 along the circumferential direction thereof, and the circumferential groove is pressed against the electric wire arranged along the electric wire feeding line. Rolls 308, 3 arranged as shown
Reference numeral 09 is configured to rotate following the supply of the electric wire.

[0006] In the circumferential groove of the roll 308, a marking line is formed for making a mark on the covering surface of the electric wire. Below the roll 308, ink for supplying ink to the circumferential groove of the roll 308 is provided. A pot 310 is provided, and a doctor knife device 320 for removing excess ink supplied to the circumferential groove of the roll 308 is provided on a side of the roll 308.

The ink fountain 310 stores ink inside a box-shaped body. A roll 308 is immersed in the ink in the ink fountain 312 at a lower portion thereof, and ink is supplied to a circumferential groove portion of the roll 308. .

Further, the doctor knife device 320 is
Arm 32 supported rotatably via support shaft 322
4 and a doctor knife 3 provided on the tip side of the arm portion 324 and pressed against the circumferential groove portion of the roll 308 to be urged.
26 and a spring mechanism 34 stretched between a rear end side of the arm section 324 and a suspending section 328 provided on the apparatus main body 300 side.
0.

The spring mechanism 340 has one end connected to the rear end of the arm 324 and a hook 341 provided on the other end thereof is engaged with the suspending portion 328 so as to be freely engaged and disengaged. The doctor knife 326 is pressed into the circumferential groove of the roll 308 by the elastic force of 340.

[0010] Of the ink supplied to the circumferential groove of the roll 308 in the ink fountain 310, excess ink is removed by the doctor knife 326 except for the ink filled in the marking line of the circumferential groove. Is done.

[0011]

However, since the doctor knife device 320 of the marking device is configured such that the doctor knife 326 rotates on a plane perpendicular to the support shaft 322, for example, The rotation axis of the roll 308 is eccentric due to assembling accuracy, adhesion of dust, or the like, and the roll 308 is attached to the doctor knife device 320.
When the doctor knife 326 is not pressed evenly over the width direction of the circumferential groove of the roll 308 when the doctor knife 326 is rotated while running sideways, excessive ink in the U-shaped groove on the circumferential surface of the roll 308 is completely removed. However, there is a problem that a dirty mark that is difficult to identify is attached to the covering surface of the electric wire.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problem, and has as its object to provide a marking device capable of attaching a clear mark that can be easily identified on an electric wire.

[0013]

According to a first aspect of the present invention, there is provided a marking device for guiding a wire to be fed along a wire feeding line; A circumferential groove having a marking line for marking a coating surface of the electric wire is formed on an outer peripheral surface of the outer peripheral surface so as to be rotatably supported on a rotating shaft orthogonal to the electric wire feeding line at a side position of the electric supply line. Roll, ink supply means for supplying ink to the circumferential groove of the roll, and ink arranged on the side of the roll for removing excess ink supplied to the circumferential groove of the roll Removing means, wherein the ink removing means has an arm portion whose base end is rotatably supported around a support shaft parallel to the rotating shaft, and the arm is held at the tip end of the arm, Depending on the rotation of the And a doctor knife which is pressed against and away from operating in the circumferential groove portion Te in the middle of the arm portion,
An elastic connecting member is provided to make the doctor knife swingable in the width direction of the roll.

According to a second aspect of the present invention, there is provided a spindle-side arm section in which the arm section is connected to the spindle, a holding arm section for holding the doctor knife, the spindle-side arm section, An elastic connecting portion connecting the holding arm portion to the supporting arm portion, and the elastic connecting portion is constituted by a leaf spring arranged in a vertical direction in a plane direction and connecting the support shaft side arm portion and the holding arm portion. You may.

Further, the elastic connecting member may be formed by narrowing the middle of the arm portion in the width direction.

The elastic connecting member may be formed of a spring, an elastic resin or a flexible resin.

Further, the ink removing means may include an actuator for swinging and driving the arm.

[0018]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment according to the present invention will be described.

As shown in FIGS. 1 to 4, this marking device vertically moves an electric wire fed in the direction of arrow A by a feeding device (not shown) by a pair of guide pulleys 14 and 16 serving as guide means. Direction electric wire feeding line 1
2 along the wire feed line 1 while guiding the feed along
2 which are disposed on both sides thereof so as to sandwich the roller 2
The configuration is such that the wire 11 can be marked with the roller 0a and the roller portion 20b.

More specifically, the present marking device will be described in detail. A dividing groove 4 is formed in the center of the apparatus main body 10 in the width direction from the center to the front, and a guide pulley is formed at the rear end of the dividing groove 4. 16 is rotatably supported via a bracket 16a. An inverted L-shaped support column 18 is provided upright at the rear of the apparatus main body 10, and a guide pulley 14 is rotatably supported at the tip thereof around a support shaft 14a as a fulcrum. The guide pulley 14 is disposed substantially above the guide pulley 16, and the guide pulleys 14, 16 guide the wire 11 along the vertical wire feed line 12.

A power switch 151,
Operation mode changeover switch 152, roll rotation switch 1
53, an operation unit 150 provided with a roll selection switch 154, a doctor knife operation switch 155, a roll movement switch 156, and a left / right switch 157 is provided. The roll selection switch 154 is connected to the six marking rolls 2 of the continuous-type roller unit 20a described later.
It is composed of a rotary switch having six contacts corresponding to 2a.

On the left side of the apparatus main body 10, a contact / separation drive mechanism 40a for driving the continuous roller unit 20a in the left-right direction is provided.
Is provided.

The contact / separation drive mechanism 40a is composed of a pair of front and rear rail members 42 arranged side by side on the left side of the split groove 4 of the apparatus main body 2.
a, 42a, and a first movable table 50a disposed on the rail members 42a, 42a so as to be movable in the left-right direction. Further, an air actuator 48a is interposed between the projecting piece 44a projecting from the upper surface of the apparatus main body 10 and the projecting piece 52a projecting below the first moving table 50a. By the expansion and contraction operation of the air actuator 48a, as shown in FIGS. 2 and 3, the first movement 50a is switched to a switching drive mechanism 60a, which will be described later, which is disposed on the first movement base 50a. The roller unit 20a and the doctor knife device 80a are driven to move toward and away from the electric wire feeding line 12 together.

The first moving table 5 of the contact / separation driving mechanism 40a
On 0a, a switching drive mechanism 60a that drives the continuous-type roller unit 20a in the front-rear direction is provided.

The switching drive mechanism 60a includes a stepping motor 62a fixed on the first moving table 50a, and a second moving table 66a mounted on the stepping motor 62a so as to be movable in the front-rear direction. ing.

The stepping motor 62a is composed of a main body 63a, which is fixed on the first movable table 50a and has a long columnar shape in the front-rear direction, and a rod portion 64a which can be extended and retracted from the front of the main body 63a. Have. In addition, a pair of hakama members 65a are vertically suspended from lower portions on both sides of the second moving table 66a,
These hakama members 65a are connected to the stepping motor main body 6.
The second moving table 66a is mounted on the stepping motor 62a movably in the front-rear direction so as to straddle 3a from both sides. Further, the rod portion 64a of the stepping motor 62a is connected to a vertical piece 68a vertically provided from below the second moving table 66a.
1a by the expansion and contraction operation of the rod portion 64a associated with the driving of FIG.
And as shown in FIG. 4, the second movable table 66a is driven in the front-rear direction.

As shown in FIG. 5, the roller unit 20a is rotatably supported on the second moving table 66a by a roller rotation drive mechanism 110a and a roller attachment / detachment mechanism 100a.

The continuous roller portion 20a is configured by arranging six marking rolls 22a in parallel at a predetermined interval on the rotating shaft portion 26a. A peripheral groove 23a corresponding to the outer peripheral shape of the electric wire 11 is formed along the circumferential direction of each marking roll 22a, and each peripheral groove 2a is formed.
3a have different marking lines 24a at the bottom.
(For example, those corresponding to No. 1 and No. 2 indicating each cylinder number) are formed.

A hole 30 is provided at the front end of the rotary shaft 26a.
a, and a roller attaching / detaching mechanism 100 described later
a pressing pin 102a is made freely insertable and removable, and an engagement hole 2 having a semi-cylindrical inner peripheral surface at the rear end side at the rear end side.
8a is formed so that a rotation pin 112a of a roller rotation driving mechanism 110a described later can be inserted and removed.

The roller rotation drive mechanism 110a includes a motor 119a having a rotation shaft 118a, a bearing 114a rotatably supporting a rotation pin 112a disposed on an extension of the rotation shaft 118a, and a rotation shaft 118a. And a clutch section 116a interposed between the rotary pin 112a and the rotary pin 112a.

The clutch section 116a is controlled by control means (not shown), and is capable of transmitting and breaking the rotational drive of the motor 119a to the rotating pin 112a.

The tip of the rotating pin 112a is formed in a semi-cylindrical shape. When the engaging hole 28a of the continuous roller 20a is fitted into the rotating pin 112a, the rotating roller 20a is rotated. The rear end side is held by the rotation pin 112a in a detented state.

Accordingly, when the rotational drive of the motor 119a is transmitted to the rotating pin 112a via the clutch 116a, the continuous roller unit 20a is rotationally driven,
When the rotational drive of the motor 119a is interrupted by the clutch unit 116a, the continuous roller unit 20a is rotatable in a free state.

On the other hand, the roller unit attaching / detaching mechanism 100a which supports the front end side of the continuous roller unit 20a is connected to an actuator 108a having a rod 106a which can be moved back and forth in the front-rear direction, and to the tip of the rod 106a. And a pressing pin 102a rotatably supported by the supporting portion 104a.

The pressing pin 102a is supported by a support 104a.
And is disposed on the extension of the rotation shaft 118a of the motor 119a so as to face the rotation pin 112a.
The rotation pin 1 is driven by the expansion and contraction driving of the actuator 108a.
It is configured to be driven in and out toward 12a.

Further, the outer diameter of the pressing pin 102a on the base end side is set to be larger than the inner diameter of the opening of the hole 30a of the continuous roller portion 20a, and the pressing pin 102a is positioned from the base end to the distal end. The outer peripheral surface is finished in a tapered shape in which the diameter is gradually reduced toward. The distal end of the pressing pin 102a is disposed so as to be centered on the extension of the rotation shaft of the rotation shaft 118a. When the pressing pin 102a is inserted into the hole 30a of the continuous roller portion 20a, the tapered peripheral surface of the pressing pin 102a is pressed against the peripheral edge of the hole 30a so that the pressing pin 102a is inserted into the hole 30a.
Fit into.

Hereinafter, a method for mounting the continuous roller portion 20a will be described.

That is, in a state where the pressing pin 102a is driven backward (see the solid line in FIG. 5), the engaging pin 2a of the continuous roller unit 20a is inserted into the rotating pin 112a of the rotary driving mechanism 110a.
8a is fitted. With the continuous roller portion 20a thus supported in a cantilever manner, the pressing pin 102a is inserted into the hole portion 30a.
And push the pressing pin 102a into the hole 30a.
(See dashed line in FIG. 5). Then, the pressing pin 102a tapered peripheral surface is pressed against the peripheral edge of the hole 30a, and the continuous roller unit 20a is rotatably supported. At this time, since the tapered peripheral surface of the pressing pin 102a is pressed against the peripheral edge of the hole 30a, the rotation of the continuous roller unit 20a is adjusted so as to coincide with the rotation axis of the rotation pin 112a and the rotation axis of the pressing pin 102a. The shaft is corrected, and the centering of the continuous roller unit 20a is performed.

An ink fountain 1 serving as an ink supply means is provided on the second moving table 66a below the continuous roller unit 20a.
30a is provided, and the first moving table 5 is provided on the side.
There is provided a doctor knife device 80a as an ink removing means standing upright from 0a.

The ink fountain 130a is a box-shaped body having an open top, in which ink is stored, and the continuous roller portion 20a is provided at the lower portion with the ink fountain 130a.
The ink is supplied to each peripheral surface of the marking roll 22a when the roller is immersed in the ink in a and the connected roller portion 20a rotates.

The doctor knife device 80a is similar to that of FIG.
As shown in FIG. 7, a support member 82a erected on the first movable table 50a, an air actuator 84a disposed on the upper side of the support member 82a, and the air actuator 84a An arm 90a rotatably supported by the support shaft 85a and swingably driven in the direction of arrow B in FIG. 6 by an air actuator 84a.
And a doctor knife 88a which is provided on the leading end side of the continuous roller portion 20a and which is capable of adjusting the pressure contact and separation with respect to the circumferential groove portion 23a of a predetermined marking roll 22a of the continuous type roller portion 20a.

The doctor knife 88a is finished into a cylindrical body having a cross section substantially the same as the cross section of the electric wire 11, and when pressed against the circumferential groove 23a of the marking roll 22a, the width of the circumferential groove 23a is reduced. Is configured to be pressed evenly over the area.

The arm portion 90a holding the doctor knife 88a at the distal end includes a proximal arm portion 94a connected to a support shaft 85a parallel to the rotation axis of the continuous roller portion 20a;
Holding arm 96a for holding doctor knife 88a
And a leaf spring 99a formed of a flexible resin such as a flexible plastic, spring steel, or the like, and connecting the base arm 94a and the holding arm 96a.

The base side arm portion 94a includes a support shaft 85a.
A shaft portion 91a rotatably supported on the shaft portion 91a, and a pair of divided arm portions 92a connected to the shaft portion 91a and vertically divided along the longitudinal direction of the arm portion 90a. 92a is fixed to the shaft portion 91a,
The other split arm portion 92a is fastened to the side surface of the one split arm portion 92a by a screw 93a, and the looseness of the screw 93a allows a dimensional adjustment between the two split arm portions 92a. And this screw 93
Due to the fastening of a, one end side of the leaf spring 99a is held between the two split arms 92a.

The holding arm 96a is provided with the arm 9
It is composed of a pair of divided holding parts 97a vertically divided along the longitudinal direction of Oa, and the size of the two divided holding parts 97a can be freely adjusted by loosely fastening the screw 98a. Then, by fastening the screw 98a, the doctor knife 88a is held at the distal end of the holding arm portion 96a, and the other end of the leaf spring 99a is held at the proximal end.

In this manner, the base arm 94a and the holding arm 96a are connected to each other by the leaf spring 99a at a predetermined interval, and the doctor knife 88a is moved in the lateral direction (using the elastic force of the leaf spring 99a). It is swingable in the direction of arrow C in FIG. 7. Therefore, the air actuator 84a
When the arm 90a is driven to swing in the direction of arrow B in FIG. 6, the doctor knife 88a is supported by the elastic force of the leaf spring 99a so as to be swingable in the direction of arrow C in FIG. , The continuous-type roller unit 2 in which the doctor knife 88a is arranged on the side of the electric wire feeding line 12.
The marking roller 22a is driven toward and away from the peripheral groove 23a of the marking roll 22a (see FIG. 2).

The doctor knife device 80a
Is arranged on the first movable table 50a, and is driven in the left and right direction integrally with the continuous roller unit 20a by the driving of the contact / separation drive mechanism 40a.

On the other hand, on the right side of the apparatus main body 2, a contact / separation driving mechanism 40b, a switching driving mechanism 60b, a roller attaching / detaching mechanism 100b, a roller rotating driving mechanism (not shown), and a doctor The knife device 80b is provided, and only the difference from the left side of the apparatus main body 2 will be described. The roller section 20b on the right side of the apparatus main body 10 has only one roll 22b having no marking line formed on the peripheral surface. The ink fountain is not provided below the ink fountain. This is because the roller portion 20b has only a role as a guide for supporting the electric wire 11 from the other side of the continuous-type roller portion 20a.

The operation of the marking device configured as described above will be described below.

First, in a pre-operation state in which the supply of the electric wire 11 set along the electric wire supply line 12 so as to be wound around the guide pulleys 14 and 16 is stopped and the power switch 151 is turned off. , Continuous roller section 20
a and the roller portion 20b are separated from each other as shown in FIG. Also, the doctor knives 88a and 88b
They are separated from the marking roll 22a and the roll 22b, respectively (see the dashed line in FIG. 2).

In this state, the operation mode switch 15
When the power switch 151 is turned on by switching the operation mode from the manual operation mode to the automatic operation mode by the user 2, the roller unit 20a and the roller unit 20b are driven to rotate by the left and right rotation drive mechanisms 110a, and the doctor knife device 80a, 80b is activated, and each doctor knife 88a,
88b is a marking roll 22a and a roll 22, respectively.
b is brought into a standby state where it is pressed against (see the solid line in FIG. 2).

As a result, ink is supplied from the ink fountain 130a to the peripheral surface of each marking roll 22a of the continuous type roller unit 20a, and excess ink is removed from the peripheral surface of the marking roll 22a by the doctor knife 88a. The ink supply amount is adjusted to an appropriate amount.

In this standby state, when the electric wire 11 is fed in the direction of arrow A in FIG. 1 by a feeding device (not shown) provided in front of the marking device, the left and right roller unit rotation driving mechanisms 110a are synchronized with the feeding. Are stopped, and the respective clutch portions 116a are disengaged, so that the continuous roller portion 20a and the roller portion 20b are free to rotate. At the same time, the contact / separation drive mechanisms 40a, 4
0b, the continuous roller unit 20a and the roller unit 20b are driven close to each other, and the marking roller 22a and the roller unit 20b of the continuous roller unit 20a are selected in advance by a method described later and arranged on the side of the electric wire feeding line 12. 22
b moves close to the electric wire feeding line 12, and the respective peripheral surfaces are brought into an operation state in which they are pressed against the electric wire 11 on the electric wire feeding line 12 (see FIG. 3).

In this state, the continuous roller portion 20a and the roller portion 20b pressed against the electric wire 11 follow the rotation of the electric wire 11 in accordance with the feeding of the electric wire 11, thereby marking the coating surface of the electric wire 11.

When the supply of the electric wire 11 is stopped, the left and right drive mechanisms 40a, 40b and the roller rotation drive mechanism 110a synchronize with the feed of the electric wire 11, and the continuous roller unit 2 is driven.
0a and the roller section 20b return to the above-described standby state in which they are driven to rotate while being separated from each other (see FIG. 2).

Thereafter, when the power switch 151 is turned off, the roller rotation drive mechanisms 110a and 110b are stopped, and the doctor knife devices 80a and 80b are operated, so that the doctor knives 88a and 88b move the respective marking rolls 22a and rolls. It is driven toward and away from 22b to enter the pre-operation state.

Next, the selected marking roll 22a
The operation of the marking device when switching to another selected marking roll 22a and making a different mark on the electric wire 11 will be described.

That is, as shown in FIG. 1, for example, in the above-mentioned standby state in which the last marking roll 22a of the marking rolls 22a arranged in parallel is arranged on the side of the electric wire feeding line 12, the operation mode changeover switch 152 is operated. Operate to switch to manual operation mode. As a result, the doctor knives 88a and 88b are driven to be separated from the peripheral surfaces of the marking rolls 22a and 22b (see the dashed line in FIG. 2).

Next, the continuous roller unit 2 on the left side of the apparatus main body 2
In order to switch the marking roll 22a, the left side of the left / right switch 157 is selected, and then the other marking rolls 22 are switched by switching the roll selection switch 154.
a, for example, the frontmost marking roll 22a is selected.

Thereafter, when the roll moving switch 156 is turned on, the switching drive mechanism 60a drives the second moving table 66.
a, the connected roller portion 20a moves rearward, and the foremost marking roll 22a is arranged on the side of the electric wire feeding line 12 (see FIG. 4).

Then, the operation mode changeover switch 15
2 to switch to the automatic operation mode, the foremost marking roll 22a enters a standby state in which it is arranged on the side of the electric wire supply line 12, and then enters the operating state when the electric wire 11 is supplied. Thus, the fed electric wire 11 is marked differently by the marking line 24a on the peripheral surface of the marking roll 22a.

When the continuous roller unit 20a is mounted between the roller rotation driving mechanism 110a and the roller mounting / removing mechanism 100a on the second moving table 66a, the feeding of the electric wires 11 is stopped. When the power switch 151 is turned off and the rod 106a of the roller unit attaching / detaching mechanism 100a is contracted and driven by operating an operation switch (not shown), the rotating pin 112a of the roller unit rotating drive mechanism 110a is turned on.
Is fitted into the engaging hole 28a of the continuous roller unit 20a, and the continuous roller unit 20a is disposed between the roller rotation driving mechanism 110a and the roller mounting / removing mechanism 100a. Thereafter, the operation switch is operated to extend and drive the rod 106a of the roller unit attaching / detaching mechanism 100a, and the pressing pin 102a attached to the tip of the rod 106a is extended.
May be inserted into the hole 30a of the continuous roller portion 20a.

According to the marking device constructed as described above, the doctor knife 88a is attached so as to be swingable in the lateral direction (the direction of arrow C in FIG. 7) of the arm portion 90a by the action of the leaf spring 99a. , Roller section rotation drive mechanism 11
1a, the rotation shaft 26a of the continuous roller unit 20a is eccentric from a normal position due to an assembly error of the roller unit attaching / detaching mechanism 100a, adhesion of dust, and the like, and the marking dish 22a is moved in the front-rear direction of FIG. The doctor knife 88a pressed so as to fit into the peripheral groove portion 23a of the marking dish 22a also follows the lateral displacement (the front-rear direction in FIG. 1) of the peripheral groove portion 23a even if the doctor knife 88a rotates while swaying. , The doctor knife 88a is constantly pressed uniformly in the width direction of the peripheral groove 23a, the excess ink supplied to the peripheral groove 23a can be appropriately removed, and the wire can be marked clean. The effect that it can be obtained is obtained.

This is because, in the apparatus provided with the continuous type roller section 20a as in the marking apparatus of the first embodiment, it is easy to be eccentric from the axial length and weight.
Especially effective.

Further, in the conventional marking device shown in FIG. 10, the hook 341 of the spring mechanism 340 is locked to the hanging portion 328, so that the doctor knife 326 is
In the marking device of the first embodiment, the arm 90a is oscillated by driving the air actuator 84a, and the doctor knife 88 is pressed.
Since a is pressed against the circumferential groove 23a of the marking roll 22a, an effect that the pressing operation can be automated can be obtained.

Although the continuous roller unit 20a in which a plurality of rolls 22a are arranged in parallel is used in this marking apparatus, the same effect as described above can be obtained even if only one roll 22a is provided. it can.

Further, since the roll portion 20b only plays an auxiliary role as a guide for sandwiching the electric wire 11 from the opposite side of the continuous type roller portion 20a, a roll provided with only one roll 22b is provided. Although the part 20b is used, the mark may be formed by configuring the part in the same manner as the continuous roll part 20a.

In this case, the right side may be selected by switching the left / right switch 157, and the switching drive mechanism 60b on the right side of the apparatus main body 2 may be operated in the same manner as described above.

In the first embodiment, the base arm 94a and the holding arm 96a of the doctor knife device 80a are connected by the leaf spring 99a. Instead of the leaf spring 99a, a torsion coil spring or the like is used. 9, or an elastic resin 99c such as an elastomer is interposed between the base arm 94c and the holding arm 96c as in the second embodiment shown in FIG. As in the third embodiment shown, the arm 90d is integrally formed of a flexible resin such as a flexible plastic, and a narrow connecting portion 98d is formed at the longitudinal center of the arm 90d. However, the same effect as described above can be obtained.

[0070]

As described above, according to the first aspect of the present invention,
According to the marking device described in 2, 3, and 4, the ink removing means disposed on the side of the roll having the circumferential groove portion is rotatable around a support shaft whose base end is parallel to the rotation shaft. A supporting arm portion, and a doctor knife held on the distal end side of the arm portion and pressed and separated in the circumferential groove portion in accordance with the rotation of the arm portion, and a doctor knife is provided in the middle of the arm portion. Since the doctor knife is provided with an elastic connecting member capable of swinging in the width direction of the roll, when the roll is eccentric from a normal position and the roll rotates while swaying with respect to the ink removing means. At the same time, the doctor knife swings following the lateral movement, so that the doctor knife is pressed evenly in the width direction of the circumferential groove of the roll,
Excess ink of the ink supplied to the peripheral groove portion is appropriately removed, and a clean mark can be attached to the electric wire.

Further, if the ink removing means has an actuator for swingingly driving the arm, the doctor knife is automatically pressed and separated into the circumferential groove of the roll. It becomes possible.

[Brief description of the drawings]

FIG. 1 is a side view showing a marking device of a first embodiment according to the present invention.

FIG. 2 is a front view showing the marking device according to the first embodiment;

FIG. 3 is a side view for explaining the operation of the above marking device.

FIG. 4 is a front view for explaining the operation of the above marking device.

FIG. 5 is a side view showing a continuous roll portion of the marking device.

FIG. 6 is a side view showing a doctor knife device of the marking device according to the first embodiment;

FIG. 7 is a plan view showing the doctor knife device of the above.

FIG. 8 is an enlarged plan view of a main part showing a second embodiment according to the present invention.

FIG. 9 is an enlarged plan view of a main part showing a third embodiment according to the present invention.

FIG. 10 is a front view showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Electric wire 12 Electric wire feeding line 14, 16 Guide pulley 22a Marking roll 23a Peripheral groove part 24a Marking marking line 80a Doctor knife device 84a Air actuator 88a Doctor knife 90a Arm part 94a Support arm part 96a Holding arm part 99a Leaf spring 99a2 Elasticity Resin 130a Ink bottle

Claims (5)

(57) [Claims] 1. A guide means for guiding the supply of electric wires along an electric wire feed line; and a rotatable shaft on a rotating shaft orthogonal to the electric wire feed line at a side position of the electric wire feed line. A roll that is supported and has a circumferential groove formed on the outer peripheral surface and has a marking line for marking a coating surface of the electric wire; an ink supply unit configured to supply ink to the circumferential groove of the roll; and the roll. And ink removing means for removing excess ink supplied to the circumferential groove portion of the roll, wherein the ink removing means has a support shaft whose base end is parallel to the rotation shaft. An arm portion rotatably supported around the arm portion; and a doctor knife held at the distal end side of the arm portion and pressed and separated in the circumferential groove portion in accordance with the rotation of the arm portion. In the middle of the arm , Marking device, characterized in that a resilient connecting member for swingable said doctor knife in a width direction of the roll. 2. A shaft-side arm portion having the arm portion connected to the support shaft, a holding arm portion holding the doctor knife, and an elasticity connecting the shaft-side arm portion and the holding arm portion. A connecting portion, wherein the elastic connecting portion is constituted by a leaf spring arranged in a vertical direction in a plane direction and connecting the support shaft side arm portion and the holding arm portion. Item 2. The marking device according to Item 1. 3. The marking device according to claim 1, wherein the elastic connecting member is formed by narrowing the middle of the arm in the width direction. 4. The marking device according to claim 1, wherein the elastic connecting member is a spring, an elastic resin, or a flexible resin. 5. The marking apparatus according to claim 1, wherein said ink removing means includes an actuator for swingingly driving said arm portion.