JP3275950B2 - Wire stripping length adjusting device and its adjusting method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus and a method for adjusting a stripping length of an electric wire used for stripping a covering portion of the electric wire to a desired length.

[0002]

2. Description of the Related Art Conventionally, an electric wire stripping apparatus as shown in FIG. 10 has been proposed. In FIG. 10, the electric wire peeling device 61 includes a stopper 63 that abuts an end 62a of the electric wire 62, and a pair of clamps 6 that sandwich the electric wire 62.
4, 64, and a pair of cutters 65, 65 for peeling off the coating 62a of the electric wire 62. The stopper 63 is a rod screw 6
6, the rod-shaped screw 66 is screwed to the support through a hole (not shown) of the support 67 with a nut 68. A cutter holder 69 for holding the cutter 65 is vertically movable in the longitudinal direction of the electric wire 62 in synchronization with the stopper 63 by a driving unit (not shown). Stopper 63 and clamp 64
And the cutter 65 is located between them.

After the end 62a of the electric wire 62 abuts against the stopper 63, a pair of clamps 64
5 and 65 are simultaneously moved, the clamp 64 clamps the covering portion 62b of the electric wire 62, and the cutter 65
Dig into 2b. In this state, the cutter 65 and the stopper 6
3 rises, the length between the stopper 63 and the cutter 65 (this length is equal to the peeling length of the covering portion 62b) A
Only the covering part 62b is peeled from the electric wire 62.

[0004] The peeling length A of the covering portion 62b can be changed by loosening a nut 68 on which the rod-shaped screw 66 is screwed to shorten or lengthen the distance between the stopper 63 and the cutter 65. Done. However, each time the peeling length A of the covering portion 62b is changed, the nut 68 must be loosened, the distance between the stopper 68 and the cutter 65 must be adjusted, and the rod screw 66 must be screwed with the nut 68 again. ,
There is a problem that it takes time to change the peel length A.

[0005]

SUMMARY OF THE INVENTION In view of the foregoing, the present invention provides an apparatus and a method for adjusting the stripping length of an electric wire, which can easily change the stripping length of the covering portion of the electric wire. Aim.

[0006]

To achieve the above object of the Invention The present invention includes a stopper abutting the end of the wire, and a pair of cutters rather peeling the coating portion of the electric wire, the stopper
An apparatus for peeling an electric wire by moving a cutter and a cutter , comprising: a cylinder having a rod connected to the stopper and capable of extending and contracting in a longitudinal direction of the electric wire;
Rotating a disk-shaped body with a central axis parallel to the direction
Adjustment plate provided with a spiral staircase coupled to the peripheral wall surface of the main body
When is movable in the longitudinal direction of fixed conductive lines on the outer peripheral surface of the cylinder, as well as synchronization with且Tsushi Linda, before
A cylinder holder which is biased serial spiral staircase side, 該Shi
A pressing member that is fixed to the cylinder holder and contacts the spiral staircase
When the and a guide portion for guiding the longitudinal direction of the cylinder holding portion conductive lines, and based on the peeling length adjusting device of the electric wire is an-out length peeling can be set to a desired length (according Item 1) . It is preferred to have the engagement groove before Symbol spiral staircase is engaged with the pressing member (claim 2).

In a method in which an end of an electric wire is abutted against a stopper, and the sheath of the electric wire is cut and peeled by a pair of cutters separated from the stopper by a stripping length of the electric wire, the stopper is connected to a rod of a cylinder. And make it extendable and contractible in the longitudinal direction of the electric wire, and is fixed to the outer peripheral surface of the cylinder.
The cylinder holding part, both of which are biased toward the spiral staircase,
Move in the longitudinal direction of the electric wire, and center parallel to the longitudinal direction of the electric wire
A control plate including a main body having a shaft is rotated, and a peripheral wall surface of the main body is rotated.
One of the spiral staircases coupled to the
Move the holding part to the original position and
Is fixed to press the one stage by the pressing member to be synchronized, the peeling length is set to a desired length by adjusting the position of the cylinder, and the stopper and the cutter at the same time in a direction away from the end portion of the wire thereby moving the base to the peeling length adjustment method of an electric wire, wherein (claim 3).

According to the first aspect of the present invention, the stopper is connected to the rod of the cylinder, and has the cylinder holding portion , the adjusting plate, the pressing member, and the guide portion fixed to the outer peripheral surface of the cylinder . Has a central axis parallel to the longitudinal direction
A rotatable main body that forms an adjustment plate with a spiral around the peripheral wall
The stairs are coupled, and the pressing member is fixed to the cylinder
Abuts with the pressing member crossing the spiral staircase
You. Also, the cylinder holding part is biased toward the spiral staircase.
Therefore, the pressing member is pulled toward the spiral staircase.
The pressing member presses the spiral staircase. As a result, the cylinder holding portion moves in the longitudinal direction of the wire along the guide portion by the set distance, and the position of the cylinder moves synchronously ,
The position of the stopper is moved in response to the movement of the sheet Linda.

According to the second aspect , since the engaging groove is formed in the spiral staircase, the pressing member is engaged with the engaging groove. Thereby, when the pressing member is engaged with the engagement groove, the adjustment plate is securely stopped.

[0010] According to the third aspect, the cylinder is fixed to the outer peripheral surface.
The cylinder holding part once moved in the longitudinal direction of the wire
Is moved to the original position again,
The fixed pressing member is connected to the adjustment plate
Once away from the formed spiral stairs, press the spiral stairs again
You. Also, when the pressing member is away from the spiral staircase,
Whether the body of the joint plate is rotated and one of the spiral stairs is selected
When the pressing member and the spiral stairs are pressed, the cylinder is automatically
, That is, the peeling length of the covering portion is determined. Accordingly, when the stopper and the cutter are simultaneously moved in a direction away from the end of the electric wire with the end of the electric wire abutting the stopper, the covering portion of the electric wire is peeled to a desired length.

[0011]

[0012]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 to FIG. 9 show an embodiment of an electric wire stripping apparatus according to the present invention. In addition,
The same components as in the conventional example are given the same names. In FIG. 1, the electric wire stripping apparatus 1 includes a stopper 10 for abutting an end 2 a of an electric wire 2, a cylinder 16 having a rod 15 connected to the stopper 10, and a cylinder fixed to an outer peripheral surface of the cylinder 16. Holding part 20, adjusting part 30 provided on cylinder holding part 20, cylinder holding part 20
And a guide section 40 for guiding the Reference numeral 8 denotes switches installed on the frame 3.

The stopper 10 is, as shown in FIGS. 1 and 5,
One end 11a of the main body 11 formed in a cylindrical shape is attached to the main body 11
The other end 11b of the main body 11
To which a rod 15 is fixed. End 2a of electric wire 2
Is brought into contact with the disk 12. Returning to FIG.
Is the longitudinal direction of the electric wire 2 (hereinafter referred to as the electric wire direction)
It is stretchable. When the rod of the cylinder 16 that passes through the hole 4 formed in the upper wall 3 a of the frame 3 expands and contracts, the stopper 10 moves up and down (up and down) within the frame 3.

As shown in FIG. 2, the cylinder holding section 20 is disposed on the outer peripheral surface of the cylinder 16, has an adjusting section 30 on one side 20a, and has a guide section 40 on the other side 20b. The cylinder holder 20 is urged downward by a spring member (not shown). The adjusting unit 30 includes the cylinder 16
An adjusting plate 31 for adjusting the position of the cylinder is rotatably supported on the frame 3, and the pressing member 3 is attached to one end 20 a of the cylinder holder 20.
5 is fixed, and the pressing member 35 is engaged with the adjustment plate 31.

As shown in FIG. 3, the adjusting plate 31 is formed by connecting a plurality of spiral stairs 33 facing upward to the surface of the peripheral wall 32a of the disk-shaped main body 32 over one round. The groove 34 is formed. The main body 32 has a central axis parallel to the electric wire direction. A U-shaped engagement groove 34 is formed in each spiral stair 33 from the outer periphery 33a toward the inner periphery 33b. Each engagement groove 34 has a preset depth, and the depths of the engagement grooves 34 are all different. Further, as shown in FIG. 4, a window 33d for displaying a numerical value N is formed in a lower portion 33c of the spiral staircase 33. As shown in FIG. 5, the numerical value N indicates a distance L between the stopper 10 and the cutter 51, that is, a length (hereinafter, referred to as a peeling length) L to be peeled from the covering portion 2b of the electric wire 2. I have.

As shown in FIGS. 2 and 3, each engaging groove 34 has a step wall 33c on the side of the adjacent high spiral staircase 33.
And the adjacent groove wall surface 34a on the lower spiral staircase 33 side. Instead of connecting the spiral stairs 33 to the surface of the peripheral wall 32a of the main body 32, an engaging hole (not shown) having a different depth in the upper wall 32c of the main body 32 may be provided in parallel with the electric wire direction.

As shown in FIGS. 1 and 2, the pressing member 35
A pressing screw (hereinafter denoted by reference numeral 35) is connected to a flat plate 36 fixed to one side 20 a of the cylinder holding portion 20, and an elliptical operation plate 37 that is substantially orthogonal to the flat plate 36. It is fixed to. The pressing screw 35 is connected to the operation plate 3.
7 is screwed into the operation plate 37 with two nuts 38, 38 after being inserted into a hole (not shown) formed in 7. Since the cylinder holding portion 20 is urged downward, one end 35 a of the pressing screw 35 presses the bottom wall 34 b of the engagement groove 34. A U-shaped enclosure (not shown) is provided on the frame 3 to prevent an external electric wire (not shown) from being entangled with the cylinder holding portion 20 and the operation plate 37.

The guide section 40 has a guide rail 41 projecting from the other side 20b of the cylinder holding section 20 in the direction of the electric wire, and an upright wall 43 fixed to the frame 3 with an L-shaped fixing bracket 42.
And a guide groove (not shown) for engaging with the guide rail 41.
Is formed. The engagement between the guide rail 41 and the guide groove moves the cylinder holding portion 20 in the direction of the electric wire.

As shown in FIG. 5, the covering portion 2 of the electric wire 2 is provided on both the left and right sides and below the stopper 10 located in the frame 3.
a pair of cutters 51 and 51 and a pair of cutters 5
A pair of clamps 5 for holding the electric wire 2 below the lower parts 1 and 51
2 and 52 are arranged respectively. A pair of cutters 5
1, 51 and the clamps 52, 52 can be simultaneously moved in the lateral direction by driving means (not shown). Each of the pair of cutters 51 is fixed to a cutter holding portion 53. The cutter holding portion 53 is vertically movable along the guide rail 54 in the direction of the electric wire. Further, the cutter holding portion 53 and the stopper 10 move synchronously in the direction of the electric wire.

Next, a method of adjusting the peeling length L of the covering portion 2a and a case of peeling the covering portion 2a will be described. FIG.
As described above, the operation plate 37 of the adjustment unit 30 is lifted up by an operator's hand (not shown), and the engagement between the pressing screw 35 and the engagement groove 34 urged downward via the cylinder holding unit 20. Is canceled. As shown in FIG. 4, the adjustment plate 32 is rotated while looking at the window 33d, and a desired numerical value N is selected. When the hand is released, as shown in FIG. 2, the pressing screw 35 moves downward, and the pressing screw 35 is moved into the engaging groove 34 'formed in the step 33' (FIG. 7) of the spiral stair 33 corresponding to the selected numerical value N. At this time, the engaging groove 34 'is pressed downward. As shown in FIG. 7, one end 35a of the pressing screw 35 is securely engaged with the engagement groove 34 ', that is, in a state of being sandwiched between the step wall 33c' and the groove wall 34a '.

The cylinder holder 20 is moved up and down by the vertical movement of the pressing screw 35 in the electric wire direction, so that the cylinder 16 is pulled up or down. The position of the stopper 10 moves up and down in synchronization with the up and down movement of the cylinder 16. Thereby, the setting of the peeling length L between the stopper 10 and the cutter 51 is changed. The end 2a of the electric wire 2 is abutted against the stopper 10, and as shown in FIG. 8, the pair of cutters 51, 51 and the clamps 52, 52 are moved laterally and closed almost simultaneously by a foot switch (not shown). .

With the cutter 51 making a cut in the covering portion 2a of the electric wire 2 and the clamp 52 holding the electric wire 2, the cutter holding portion 53 and the cylinder 16 are pulled up synchronously as shown in FIG. As the cutter 51 is pulled up, the coating 2a is peeled. Set length L
Is peeled off and the core 2 c of the electric wire 2 is exposed, the clamp 52 is opened, and the electric wire 2 is taken out from the clamp 52. Hereinafter, by repeating the same work,
The desired peeling length L can be easily changed by one device 1.

Since the setting of the peeling length L of the covering portion 2b can be easily changed by the above-described method, it is not necessary to change the setting. Thereby, the covering portion 2 of the electric wire 2
The workability of peeling b is remarkably improved as compared with the related art.

[0024]

As described above, according to the first aspect, the cylinder holding portion fixed to the outer peripheral surface of the cylinder , the adjusting plate, and the pressing plate are provided.
Provided the member and the guide portion, peeling length between from the cylinder in synchronism with the movement of the sheet cylinder holding portion is moved, the stopper and the cutter moves linked stopper cylinder rod Is changed. Thus, peeling the length of the covering portion is set changed easily.

According to the second aspect, the spiral step is formed.
By the engagement between the engagement groove and the pressing member, the stationary state of the adjustment plate
It is ensured that it is maintained during the peeling operation, so that
Peeling work.

[0026]

[0027] According to the third aspect , the cylinder is fixed to the cylinder.
Synchronized when the cylinder holder is moved in the longitudinal direction of the wire
The pressing member is connected to a screw connected to the peripheral wall surface of the main body of the adjusting plate.
Press the selected one of the swirling stairs or move away from it
And the body of the adjustment plate is rotated so that the cylinder can be easily
The setting is moved, so the setting of
Easy. After the position of the cylinder is adjust with concatenated rod stopper moving, because peeling length between the stopper and the cutter is set, the stopper and the cutter and the direction away from the end portion of the wire at the same time Then, the covering portion of the electric wire is peeled to a desired length. This makes it easier to change the position of the cylinder, that is, to change the peeling length between the stopper and the cutter, as compared with the related art, and eliminates the inconvenience associated with the operation of changing the peeling length.

[0028]

Therefore, since the stripping length of the electric wire can be changed to various lengths with one device, the equipment cost of the device prepared for performing the stripping operation is reduced. Further, since the stripping length of the electric wire can be easily changed and set simply by rotating the adjustment plate of the adjustment unit, the work of changing the stripping length can be completed in a short time, and the workability is remarkably improved. .

[Brief description of the drawings]

FIG. 1 is an overall perspective view showing an embodiment of a wire stripping apparatus according to the present invention.

FIG. 2 is an enlarged view of an upper portion showing a state in which FIG. 1 is viewed from a direction A.

FIG. 3 is a plan view of an adjustment plate.

FIG. 4 is a rear view of the adjustment plate.

FIG. 5 is an enlarged view of a lower portion showing FIG. 1 as viewed from a direction A.

FIG. 6 is a view showing a state where an operation plate is pulled up.

FIG. 7 is a perspective view showing an engagement state between a selected step and a pressing screw.

FIG. 8 is a view showing a state where a cutter and a crimper are closed.

9 is a diagram illustrating a state where the stopper and the cutter are pulled up from the state of FIG. 8;

FIG. 10 is a diagram showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Wire stripping length adjusting device 2 Wire 2a End 2b Covering part 10 Stopper 15 Rod 16 Cylinder 20 Cylinder holding part 30 Adjusting part 31 Adjusting plate 32 Main body 33 Spiral stair 33 'Single step 34 Engagement groove 35 Press screw 40 Guide Part 51 Cutter L Peeling length

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H02G 1/12

Claims (3)

(57) [Claims] And 1. A stopper abutting the end of the wire, and a pair of cutters rather peeling the coating portion of the electric wire, the stopper
An apparatus for peeling an electric wire by moving a cutter and a cutter , comprising: a cylinder having a rod connected to the stopper and capable of extending and contracting in a longitudinal direction of the electric wire;
Rotating a disk-shaped body with a central axis parallel to the direction
Adjustment plate provided with a spiral staircase coupled to the peripheral wall surface of the main body
When is movable in the longitudinal direction of fixed conductive lines on the outer peripheral surface of the cylinder, as well as synchronization with且Tsushi Linda, before
A cylinder holder which is biased serial spiral staircase side, 該Shi
A pressing member that is fixed to the cylinder holder and contacts the spiral staircase
When the and a guide portion for guiding the cylinder holding portion in the longitudinal direction of the conductive wire, peeling length adjustment device of electric wires, characterized in that the peeling length can be set to the desired length . 2. The spiral staircase is engaged with the pressing member.
2. The apparatus for adjusting a stripping length of an electric wire according to claim 1, further comprising an engaging groove . 3. A method of abutting an end of an electric wire against a stopper, and cutting and stripping a covering portion of the electric wire with a pair of cutters separated from the stopper by a stripping length of the electric wire. To make it extendable and contractible in the longitudinal direction of the electric wire, and is fixed to the outer peripheral surface of the cylinder.
With the cylinder holding part urged toward the spiral staircase.
Move in the longitudinal direction of the wire,
The adjustment plate including the main body having the mandrel is rotated, and the peripheral wall of the main body is rotated.
Select one step from the spiral staircase coupled to the surface, and
The holding part is moved to the original position and the cylinder holding part is moved.
Direction is fixed by pressing the one stage by the pressing member to be synchronized, the peeling length is set to a desired length by adjusting the position of the cylinder, away and said stopper and the cutter at the same time from the end of the wire to A method for adjusting the stripping length of an electric wire, characterized in that the wire is moved.