JPH066472Y2 - Electric wire strip depth adjustment device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial field of application) The present invention is, for example, a wire strip cut in an electric wire processing machine used as a pretreatment step of crimping a terminal or the like to an end of an electric wire. Depth adjusting device.

(Prior Art) Generally, a terminal is crimped and attached to an end portion of a lead wire incorporated in wiring of an automobile or electric equipment such as OA equipment, and the terminal of the lead wire is used as a pretreatment process. It has strips of used wires.

The previously proposed strip cutting depth adjusting device for this type of electric wire is constructed as shown in FIGS. 5 to 9.

That is, in FIGS. 5 to 9, a pair of upper and lower guide rods b are horizontally mounted on a box-shaped machine frame a,
A pair of sliding members (also referred to as cutter supporting members) c are slidably fitted to the guide rods b so as to face each other. Further, each cutting blade d and each pair of strip blades e and f are detachably mounted on the upper part of the sliding member c with each adjusting member s interposed therebetween, and beside the guide rod b. On the machine casing a, a first moving device i having a clamp g and a second moving device j having a clamp h are arranged so as to be orthogonal to the guide rod b. Further, both of the clamp moving devices i and j are configured to move the electric wire W back and forth by a predetermined distance, and a pair of clamp feed rollers k are provided in the machine frame a near the first moving device i. The electric wire W
Is temporarily grasped and transferred.

On the other hand, as shown in FIGS. 7 and 8, the pair of strip blades e, f is provided with a predetermined cut in the coating Wb of the electric wire W, and the core wire Wa is not scratched. In order to prevent this, the stoppers (stops) e1 and f1 are formed, and the stoppers e1 and f1 adjust the strip cut depth in accordance with the diameter of the core wire Wa of the electric wire W. It is like this.

Therefore, in the above-described electric wire strip cutting depth adjusting device, as shown in FIGS. 7 and 8, the pair of clamp feed rollers k grip the electric wire W and transfer it by a predetermined length.

Next, the clamps g and h of the first moving device i and the second moving device j hold the electric wire W, and at the same time, the pair of sliding members c face each other along the guide rods b. By sliding inward, the cutting blades d and the pair of strip blades e and f provided on the upper portion of each sliding member c cut the electric wire W or cut the strip into the coating Wb. do. Thereafter, as shown in FIG. 9, the clamps g and h of the first moving device i and the second moving device j are
Move toward each other while holding the electric wire W, the coating Wb is pulled out to form each strip (core wire) Wa at the end of the electric wire W.

That is, the pair of strip blades e and f has the core wire W
In order not to scratch a, a predetermined cut is made in the coating Wb of the electric wire W to form respective stoppers e1 and f1. When the strip is cut into the coating Wb, the respective stoppers e1 and f1 are According to the respective diameters of the core wires Wa of the respective electric wires W, the core wires Wa are brought into contact with each other to adjust the cutting depth of the strip of the respective electric wires.

(Problems to be Solved by the Invention) However, the above-described electric wire strip cut depth adjusting device makes a predetermined cut in the coating Wb of the electric wire W according to the different diameters of the core wire Wa of the electric wire W, and then the core wire W.
In order to prevent the a from being scratched, the pair of strip blades e and f provided with the stoppers e1 and f1 are replaced respectively, and the depth of cut of the strip of each electric wire of the stoppers e1 and f1 is changed. Not only is the handling operation of the cutting adjustment cumbersome, but it also requires a lot of time and labor and requires skill, and further, when each pair of strip blades is cut, (Core wire) W
It is difficult to improve the quality by scratching a or leaving a coating residue.

The present invention has been made in view of the above-mentioned circumstances, and the strip cutting depth adjusting means of the electric wire is rotatably mounted on each substantially disk-shaped cutting adjusting member, and the core wire W of the electric wire W is provided.
Even if the diameter of a changes, a predetermined cut adjustment can be easily performed on the coating Wb of the electric wire W based on a command from the outside of the machine, and the coating Wb of the electric wire W can be cut with each pair of strip blades. An object of the present invention is to provide a device for adjusting the depth of cut of a strip of electric wire, which is capable of improving the quality by removing scratches or uncut portions of the coating when applying the strip.

[Constitution of device]

(Means for Solving the Problem and Its Action) According to the present invention, a pair of guide rods are horizontally provided on a machine frame, and a pair of cut adjustment members are provided opposite to each other on the machine frame positioned in the middle of both guide rods. The guide rods and the pair of sliding members are slidably fitted on the guide rods, and the stoppers are provided on the sliding members so as to abut on the cut adjusting members. Then, a pair of cutter supporting members provided with each cutting blade and each pair of strip blades is provided on the upper part of the sliding members, and the fitting grooves are formed on the sliding members. The fan gears meshing with each other are axially mounted on the machine frame so as to reciprocally rotate, and the rollers are provided on the outer peripheral portion of the fan gears so as to fit in the fitting grooves. When adjusting the predetermined cut in the coating of the electric wire by changing the diameter of the core wire, set each cut adjustment member to the predetermined cut. Rotate to the position to make adjustments so that each notch adjusting member is brought into contact with each stopper of each of the sliding members, make a notch in the wire coating, and cover the wire with each pair of strip blades. When making a notch, the strip itself is made free of scratches and uncut portions of the coating to improve quality.

(Embodiment) Hereinafter, one embodiment of the present invention will be described.

1 to 4, reference numeral 1 is a machine frame having a U-shaped cross section, and a pair of ear pieces 1b are formed on a side plate 1a of the machine frame 1 so as to face each other. A pair of upper and lower guide rods 2 are horizontally provided on the two ear pieces 1b, and a pair of cut adjusting members 3 is provided on a side plate 1a of the machine frame 1 located in the middle of the guide rods 2. They are rotatably mounted in opposite directions.

In particular, as shown in FIG. 4, the outer diameters of the both cut adjustment members 3 are stepwise so that the coating Wb of the electric wire W can be adjusted in a predetermined cut according to the different diameters of the core wires Wa of the electric wires W. Each abutting surface 3a is formed (not a ratchet gear), and each abutting surface 3a is formed so as to be gradually smaller in the radial direction. As shown in FIG. 2, the transmission pulley 4 is mounted on the shaft. The output shaft 5a of the pulse motor 5 is connected to the transmission pulley 4 via a transmission belt 6 such as a timing belt,
When the core Wa of the electric wire W is adjusted to have a predetermined cut in the coating Wb of the electric wire W with different diameters, the pulse motor 5 is driven to cause the output shaft 5a of the pulse motor 5 to pass through the transmission belt 6. Double cut adjustment member 3
The rotary shaft 3b is rotated so as to stand still at a predetermined position.

On the other hand, a pair of sliding members 7 are slidably fitted on the guide rods 2, and inside the sliding members 7, each stopper (stopper) 8 is provided for each of the cut adjustments. It is provided so as to abut on each abutting surface 3a of the member 3. Further, a pair of cutter supporting members 11 each having a known cutting blade 9 and a pair of strip blades 10 are provided on the upper portions of the sliding members 7 so as to face each other. Each fitting groove 12 is formed on one side of the through hole 7 through each through hole 1c formed in the side plate 1a of the machine frame 1. Further, fan gears 13, 14 meshing with each other are axially mounted on the machine frame 1 beside the fitting grooves 12 so as to reciprocally rotate by the support shafts 13a, 14a, respectively. Gear 1
Each roller 15 is provided on the outer peripheral portion of each of the fitting grooves 1 and 3.
It is provided so that it can be fitted to 2. Further, a drive rod 17 having an air damper device 16 such as an air cylinder device is pivotally attached to a part of the one fan gear 14 by a pin shaft 18, and the drive rod 17 is vertically moved. When the drive rod 17 reciprocates, the fan gears 13 and 14 meshing with each other move the support shafts 13a and 14
It is adapted to reciprocate around a.

Therefore, when the desired cut adjustment is performed on the coating Wb of the electric wire W due to the different diameters of the core wire Wa of the electric wire W, each cut adjustment member 3 is rotated to a desired position and stopped.
That is, when the pulse motor 5 is driven, the output shaft 5 a of the pulse motor 5 rotates the rotary shaft 3 b of the both cut adjusting members 3 via the transmission belt 6 and stands still at a predetermined position.

As a result, the stoppers 8 are attached to the cut adjusting members 3
The contact position of each contact surface 3a is changed.

Next, as the drive rod 17 reciprocates in the vertical direction, the fan gears 13 and 14 pivotally attached to the drive rod 17 by the pin shafts 18 are engaged with the support shafts 13a and 14a.
Since it reciprocally rotates around, the respective fan gears 13, 14
Since the rollers 15 are moved inward from each other, the sliding members 7 are inwardly moved along the guide rods 2 via the fitting grooves 12 fitted in the rollers 15. Move to. Then, each cutter supporting member 11 of each sliding member 7 cuts the electric wire W with each cutting blade 9 and each pair of strip blades 10, or cuts a strip into the coating Wb. At this time, since the stoppers 8 of the sliding members 7 come into contact with the cut adjusting members 3, a predetermined cut is made in the coating Wb of the electric wire W. After that, as shown in FIG. 9, the clamps g and h of the first moving device i and the second moving device j move outward while holding the electric wire W, whereby the coating Wb is obtained. Is withdrawn to form each strip Wa at the end of the wire W.

That is, when the strip W is cut into the coating Wb, the pair of strip blades 10 make a predetermined cut in the coating Wb of the electric wire W so as not to damage the core wire Wb, and the stoppers 8 are provided. Is brought into contact with the contact surfaces 3a of the cut adjusting members 3 to adjust the strip cut depth of each wire W.

[Effect of device]

As described above, according to the present invention, the machine frame is provided with a pair of guide rods horizontally, and the machine frame located in the middle of the two guide rods is provided with the pair of cutting adjustment members in opposite directions. A pair of sliding members are slidably fitted on the guide rods, and the stoppers are projected on the sliding members so as to abut on the cut adjusting members. A pair of cutter supporting members each having a cutting blade and a pair of strip blades is provided on the upper part of the moving member, each fitting groove is formed in each of the sliding members, and the machine frame beside each fitting groove. Each fan gear that meshes with each other is axially mounted so as to reciprocally rotate, and each roller is provided on the outer peripheral portion of each fan gear so as to fit into the fitting groove. , When adjusting a predetermined cut in the coating of the electric wire, adjust each cut adjustment member by rotating it to a predetermined position. Since the respective cutout adjusting members are brought into contact with the respective stoppers of the both sliding members, the predetermined cut adjustment can be performed with high accuracy in the coating of the electric wire in a short time, and When applied, it has an excellent effect that the strip can be free from scratches and uncut portions of the coating to improve quality.

[Brief description of drawings]

FIG. 1 is a front view of an electric wire strip cutting depth adjusting device of the present invention, FIG. 2 is a plan view of the same as above, FIG. 3 is a sectional view of the same as above, and FIG. 5 is an enlarged view of the cutting adjustment member shown in FIG. 5, FIG. 5 is a plan view of a previously proposed electric wire strip cutting depth adjusting device, and FIG. 6 is a previously proposed electric wire strip cutting depth adjusting device. Enlarged plan view of the cutter support member, FIG. 7 and FIG.
FIG. 9 is an enlarged front view of the same as above, and FIG. 9 is a view for explaining the operation of the previously proposed electric wire strip cut depth adjusting device. 1 ... Machine frame, 2 ... Guide rod, 3 ... Cutting adjustment member, 7
...... Sliding member, 8 ...... Stopper, 9 ...... Cutting blade, 10 ...... Strip blade, 11 ...... Cutter support member, 12 ...... Mating groove, 13, 14 ...... Fan gear, 15 ...... Roller , 17 ...
… Driving rod.

Claims (1)

[Scope of utility model registration request] 1. A pair of guide rods are horizontally provided on a machine frame, and a pair of notch adjusting members are axially mounted on the machine frame located in the middle of the guide rods in opposite directions. A pair of sliding members are fitted on the rod so as to slide, and each of the sliding members is provided with a stopper so as to abut against each of the cut adjusting members. A pair of cutter supporting members each having a cutting blade and a pair of strip blades are provided, each sliding groove is formed with each fitting groove, and each fan shape meshes with the machine frame beside each fitting groove. A strip cutting depth adjusting device for an electric wire, characterized in that a gear is mounted so as to reciprocally rotate, and each roller is provided on an outer peripheral portion of each fan gear so as to be fitted into the fitting groove.