JPH1131571A - Guide mechanism and slide cutter for joint crimp machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform accurate positioning, while providing good workability at the time of feeding a wire to a terminal part of a terminal band with manual work. SOLUTION: A pair of guide means 8, 21B are provided in both longitudinal ends of a terminal part 3A placed on an anvil. Each guide means 8, 21B is continuously stand for covering from a height of the pressure receiver surface of the anvil 11 to a position higher than the terminal part 3A. With this structure, at the time of housing a wire in the terminal part 3A, the wire can be housed securely in the terminal part 3A. On the other hand, at the time of taking the wire out after crimping the terminal, the wire can be taken out smoothly after crimping the terminal without interfering the guide means 8, 21B with the wire in the taking-out direction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a guide mechanism and a slide cutter for a joint crimping machine, and more particularly to a semi-automatic joint crimping machine in which an electric wire is manually set on a caulking portion and an operator operates a caulking operation. The present invention relates to a guide mechanism and a slide cutter of a joint crimping machine.

[0002]

2. Description of the Related Art In general, a terminal crimping apparatus includes a main line having a stripped portion at an intermediate portion and a branch line having a stripped end portion, and a stripped portion of the main line and a branch line. There is known a joint crimping machine for forming a joint portion by superimposing a stripped end portion of the base member on a portion thereof and crimping a terminal fitting on the overlapping portion.

FIG. 5 is a partially exploded perspective view showing a main part of a conventional joint crimping machine. Referring to FIG. 1, for example, a joint crimping machine 1 as disclosed in Japanese Utility Model Application No. 4-50842 (see Japanese Utility Model Application Laid-Open No. 6-5175) previously proposed by the present applicant has a base 2. A terminal band feeding portion 4 for feeding a continuous terminal band 3 having a terminal portion 3A connected to a carrier 3B and a terminal portion 3A of the terminal band 3 fed to the terminal band feeding portion 4 The caulking part 6 and the caulking part 6
And a press mechanism section 7 for driving the.

The caulking portion 6 includes an anvil 11 fixed to the base 2 and a crimper 12 guided above and below the anvil 11 by a guide member 5 formed integrally with the base 2. The terminal portion 3A of the terminal band 3 sent between the two can be caulked. The press mechanism 7 includes a ram 13 that carries the crimper 12 and an engagement rod 15 whose lower end is slidably engaged in a slide groove 14 formed in the upper end of the ram 13. A drive source (not shown) for rotating the upper end of the mating rod 15 around an axis orthogonal to the engaging rod 15, and Is transmitted to the ram 13 so that the crimper 12 is moved up and down via the ram 13. Although not specifically shown, the terminal band feeding section 4 is provided with a feeding claw that is interlocked with the elevating operation of the ram 13.
The feed claw allows the terminal band 3 to be intermittently fed to the caulking section 6 in conjunction with the caulking operation.

Further, in order to cut off the crimped terminal portion 3A from the carrier 3B of the terminal band 3, a slide cutter 8 is attached to the base 2 via a holder 9 so as to be able to move up and down. , A pressing member 16 for pressing the slide cutter 8 is attached. The slide cutter 8 is provided adjacent to the front end surface of the anvil 11, and has a horizontal groove (not shown) that covers the upper surface of the carrier 3B of the terminal band 3. And the crimper 12 is a terminal portion 3A of the terminal band 3.
When the terminal portion 3A is clamped between the crimper 12 and the anvil 11, the pressing member 1
When the slide cutter 8 is pushed down by the slide cutter 6, the terminal portion 3A is cut off from the carrier 3B of the terminal band 3 by the shearing force between the anvil 11 and the lateral groove.

The worker faces the direction in which the terminal band 3 is fed, and the main wire W1 and the branch wire W2
(See FIG. 6) is manually supplied to the caulking portion 6, and is crimped by a foot switch (not shown). FIG. 6 is an enlarged perspective view showing a main part of FIG. As shown in FIGS. 5 and 6, in the joint crimping machine 1 of the type described above, the electric wires W1 and W2 to be crimped are connected to the terminal band 3.
Must be manually conveyed in a horizontal direction orthogonal to the direction in which the paper is fed. At this time, a plurality of positioning stoppers 20 and 21 are provided around the caulked portion 6 in order to prevent the wires W1 and W2 to be crimped from being displaced.

First, each wire W1, just above the terminal portion 3A,
In order to position W2, stoppers 20, 21 are provided on the left and right sides, respectively, when viewed from the working side. The left stopper 20 is formed in a T-shape, is arranged at a position avoiding interference with the crimper 12 and the like, and is attached to the guide member 5 of the base 2 via a bracket (not shown).

Further, the stopper 21 on the right side is
1, is screwed to the base 2 (see FIG. 5), and is configured so that the covering end of each branch line W2 can be positioned on its vertical surface. Further, a guide 22 is attached to the holder 9 of the slide cutter 8 in order to reliably guide the electric wires W1 and W2 disposed directly above the terminal portion 3A into the terminal portion 3A. The wires W1 and W2 do not protrude from 3A.

[0009]

In the joint crimping machine 1 as described above, since the electric wires W1 and W2 to be crimped are positioned by the stoppers 20 to 22, the crimping position is accurately determined. However, the above-described stopper has the following problems. FIG. 7 is a perspective view of the stopper when the electric wire is supplied.

Referring to FIG. 7, firstly, when setting another electric wire W2 to be connected to the electric wire W1 subjected to the intermediate peeling, the other electric wire W2 is often connected to the terminal portion 3.
There is a problem that the vehicle is displaced when it is shifted to the worker side without reaching inside A. Needless to say, when such a displacement of the electric wire W2 occurs, a crimping failure occurs, and the yield decreases. However, in the past, only the caulking operator was warned to prevent such displacement of the electric wire W2. Therefore, there is a problem that the worker is excessively nervous and the workability is deteriorated.

Second, the guide 22 described above also has a problem that workability is deteriorated. FIGS. 8A and 8B are schematic diagrams for explaining the problems of the prior art, in which FIG. 8A shows a state before terminal crimping, and FIG. Referring to FIG. 8 (A), in order to accommodate the electric wires W1 and W2 in the terminal portion 3A by the guide 22, the free end of the guide 22 should be as close as possible to the upper end of the terminal portion 3A on the worker side. It is necessary to achieve reliable feeding. To fulfill this request, guide 22
Was facing the upper end on the worker side of the terminal portion 3A on the anvil 12 before crimping. However, the conventional guide 22
Is formed by focusing only on guiding the electric wires W1 and W2 from above to below.
FIG. 8 (B)
As shown in (2), when the electric wires W1 and W2 are taken out after the terminal crimping, the electric wires W1 and W2 are often caught on the bottom surface of the guide 22, and the workability at the time of taking out is deteriorated.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and has been made in consideration of the above-described problems, and is a joint crimping method capable of achieving both reliable positioning and good workability in manually feeding an electric wire to a terminal portion of a terminal band. It is an object to provide a guide mechanism and a slide cutter for a machine.

[0013]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a terminal strip in which a plurality of terminal portions constituting a crimp terminal are integrally formed in a state of projecting at right angles to a strip-shaped carrier. A terminal band feeding section for feeding, including an anvil for mounting a terminal portion of the terminal band fed to the terminal band feeding section,
A crimping portion for crimping the terminal portion mounted on the anvil, disposed adjacent to the anvil on the base end side of the terminal portion mounted on the anvil, and cooperating with the caulking portion to shear the terminal portion from the carrier. A slide cutter, and a positioning stopper disposed on the free end side of the terminal portion placed on the anvil, for positioning the electric wire accommodated in the terminal portion on the anvil, and the operator is provided on the downstream side in the feed direction of the carrier. In the guide mechanism of the joint crimping machine employed in a semi-automatic joint crimping machine that forms a joint by caulking the terminal portion after carrying the wire manually to the upstream side and housing the terminal portion in the terminal portion, The terminal portion placed on the anvil is arranged at both ends in the longitudinal direction to form a pair, and the worker-side end of the terminal portion is moved from the height of the pressure receiving surface of the anvil to the terminal portion. By the height of the ring is set to other than the cover rises continuously, a joint crimping machine guide mechanism, characterized in that is provided with a pair of guide means for guiding the wire.

In the invention including the specific matter, when the worker positions the electric wire with the positioning stopper and accommodates the electric wire in the terminal portion fed onto the anvil, a pair of guides covering the operator side end of the terminal portion. Since the means guides the electric wire to the terminal portion, the electric wire does not interfere with the terminal portion and is securely housed in the terminal portion. In addition, since the pair of guide means are continuously raised from the height of the pressure receiving surface of the anvil to a height equal to or higher than the position of the terminal portion, even when the wire is taken out after the terminal crimping, the guide means is moved in the take-out direction. Do not interfere with.

[0015] In a preferred embodiment, one of the guide means arranged on the carrier side of the terminal band is formed in a slide cutter, and is formed with a concave portion for avoiding interference with an electric wire. In the invention including this specific matter, the slide cutter is also used as the guide member.

In a further preferred aspect, of the above-mentioned guide means, those arranged on the free end side of the terminal portion,
The terminal portion is formed integrally with a positioning stopper for aligning the stripped end of the wire to be crimped. In the invention including this specific matter, the positioning stopper is also used as the guide member.

Another aspect of the present invention is a terminal band feeding section for feeding a terminal band formed integrally with a plurality of terminal portions constituting a crimp terminal protruding from a carrier at right angles to the carrier, And an anvil on which the terminal portion of the terminal band fed to the terminal band feeding section is mounted, and a caulking portion for caulking the terminal portion mounted on the anvil is provided. A slide cutter used in a semi-automatic joint crimping machine that forms a joint by performing a crimping operation of a terminal portion after a wire is manually conveyed from a side to an upstream side and accommodated in a terminal portion, the anvil being provided. A terminal portion disposed adjacent to the base portion of the terminal portion mounted on the anvil, cooperating with the caulking portion to shear the terminal portion from the carrier, and a terminal portion formed on the main body portion and on the anvil. Collected in A concave portion for avoiding interference with the electric wire to be formed, the concave portion rising continuously from the height of the pressure receiving surface of the anvil to a height equal to or higher than the position of the terminal portion, and the terminal portion on the anvil. The slide cutter is characterized in that it is configured so as to be able to guide an electric wire by covering an end portion on the worker side.

According to the invention including this specific matter, when the operator positions the electric wire with the positioning stopper and accommodates the electric wire in the terminal portion fed onto the anvil, the slide cutter guides the electric wire to the terminal portion. Does not interfere with the terminal portion, and is reliably accommodated in the terminal portion. Moreover, since the recess of the slide cutter continuously rises from the height of the pressure receiving surface of the anvil to a height equal to or higher than the position of the terminal portion and covers the end of the terminal portion on the worker side, when removing the electric wire after crimping the terminal, Also, the guide means does not interfere with the wires in the removing direction, and the wires after the terminal crimping can be smoothly removed.

[0019]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
A preferred embodiment of the present invention will be described in detail. In addition,
In the following description, members that are the same as the members described in FIGS. 5 to 8 are given the same reference numerals. FIG. 1 is a perspective view schematically showing a main part of a joint crimping machine according to an embodiment of the present invention, and FIG. 2 is a schematic diagram showing a main part of the joint crimping machine according to the embodiment of FIG. 1 is a schematic sectional view.

Referring to these figures, in the Joint crimping machine 1 in the illustrated embodiment, a slide cutter 8 is disposed on the front side (left side as viewed from the operator) of the anvil 11 and on the rear side (operation). To the right)
A positioning stopper 21 for positioning the electric wire W2 forming the branch line is disposed. Slide cutter 8
Is a main body 8A formed in a block shape as a whole.
A substantially U-shaped recess 8B formed on the upper surface of the main body 8A and opening the terminal portion 3A that is crimped to avoid interference with the electric wire when placing the electric wire on the terminal portion 3A on the anvil 11; It is a metal member formed on the back surface (the surface facing the anvil 11) of the main body 8A and having a lateral groove 8C that sandwiches the carrier 3B of the terminal band 3.

FIG. 3 is a rear view of the slide cutter 8 according to the embodiment of FIG. As shown in FIG. 1 and FIG. 1, in the illustrated slide cutter 8, the main body 8 </ b> A partitions the recess 8 </ b> B in a state where the main body 8 </ b> A covers the worker side end of the terminal portion 3 </ b> A on the anvil 11. . Thereby, the main body 8A is connected to the pressure receiving surface 11A of the anvil 11 (FIG. 2).
(See FIG. 3), and continuously rises from the height of the terminal portion 3A to a height higher than the position of the terminal portion 3A, thereby constituting one of the guide means for guiding the electric wire.

On the other hand, the positioning stopper 21 is formed by bending a sheet metal member to form an L-shaped mounting portion 21A fixed to the base 2 of the Jont's crimping machine 1, and rises at a right angle from one end of the mounting portion 21A. And anvil 11
And an opposing portion 21B opposing to the back side of the main body. In the illustrated embodiment, a groove 21E is formed in the mounting portion 21A along the transport direction of the carrier 3B.
Positioning stopper 21 with bolt 21F for inserting 1E
Is fixed to the base 2 so that the fixing position of the positioning stopper 21 can be adjusted in the longitudinal direction of the groove 21E.

FIG. 4 shows the appearance of the positioning stopper 21 according to the embodiment of FIG. 1, wherein FIG.
(B) is a perspective view. As shown in FIG. 1A and FIG. 1, a concave portion 21 </ b> C that opens in a substantially U-shape corresponding to the end surface shape of the terminal portion 3 </ b> A on the anvil 11 before crimping is provided in the facing portion 21 </ b> B of the positioning stopper 21. Is formed,
In the transport direction of the carrier 3B, by extending the opposite side of the recess 21C to the operator vertically, the vertical edges 21D make it possible to align the end portions of the covered electric wires serving as the branch wires. I have. Also, in the facing portion 21B, the concave portion 21C is sectioned so as to cover the worker-side end of the terminal portion 3A on the anvil 11. Thereby, the opposing portion 21B continuously rises from the height of the pressure receiving surface 11A (see FIG. 2) of the anvil 11 to a height equal to or higher than the position of the terminal portion 3A, thereby covering the other end of the guide means for guiding the electric wire. Is composed.

In the above configuration, as shown in FIGS. 3 and 4B, the worker places the electric wire W2 on the positioning stopper 2.
When the terminal portion 3A is positioned and accommodated in the terminal portion 3A fed onto the anvil 11, the slide cutter 8 as a pair of guide means for covering the worker-side end portion of the terminal portion 3A and the facing portion 21B are inside the terminal portion 3A. Since the electric wire W2 is guided to the terminal portion 3A, the electric wire W2 does not interfere with the terminal portion 3A, and is securely accommodated in the terminal portion 3A. Moreover,
Both the slide cutter 8 and the facing portion 21B of the stopper 21 are continuously raised from the height of the pressure receiving surface 11A of the anvil 11 to a height equal to or higher than the position of the terminal portion. Also, the slide cutter 8 and the facing portion 21B do not interfere with the electric wire W2 in the take-out direction.

In the embodiment described above, when the electric wire W2 is accommodated in the terminal portion 3A, the electric wire W2 can be securely accommodated in the terminal portion 3A, and when the electric wire W2 is taken out after the terminal is crimped. Also, the slide cutter 8 as a guide means and the facing portion 21 in the take-out direction
B does not interfere with the electric wire W2, and the electric wire W2 after the terminal crimping can be taken out smoothly. Therefore, when feeding the electric wire W2 to the terminal portion 3A by hand, reliable positioning and good work are performed. It has a remarkable effect that it is possible to achieve both sex.

Further, since the guide means is embodied by the slide cutter 8 and the positioning stopper 21, the number of parts does not increase. Each of the above embodiments is merely an example of a preferred specific example of the present invention, and the present invention is not limited to the above embodiment. It goes without saying that various design changes are possible within the scope of the claims of the present invention.

[0027]

As described above, according to the present invention,
When the wire is housed in the terminal part, the wire can be securely housed in the terminal part, and when the wire is taken out after crimping the terminal, the guide means does not interfere with the wire in the direction of taking out, so it is smooth It is possible to take out the wire after crimping the terminal, so that when feeding the wire to the terminal part of the terminal band by hand, a remarkable effect that both reliable positioning and good workability can be achieved To play.

[Brief description of the drawings]

FIG. 1 is a perspective view schematically showing a main part of a joint crimping machine according to an embodiment of the present invention.

FIG. 2 is a schematic sectional view schematically showing a main part of the joint crimping machine according to the embodiment of FIG. 1;

FIG. 3 is a rear view of the slide cutter according to the embodiment of FIG. 1;

4A and 4B show the appearance of the positioning stopper according to the embodiment of FIG. 1, wherein FIG. 4A is a rear view and FIG. 4B is a perspective view.

FIG. 5 is a partially exploded perspective view showing a main part of a conventional joint crimping machine.

FIG. 6 is an enlarged perspective view showing a main part of FIG. 5;

FIG. 7 is a perspective view of the stopper when the electric wire is supplied.

FIG. 8 is a schematic diagram illustrating a problem of the prior art;
(A) shows the state before terminal crimping, and (B) shows the state after terminal crimping.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Joint crimping machine 8 Slide cutter 11 Anvil 21 Positioning stopper

Claims (4)

[Claims] 1. A terminal band feeding section for feeding a terminal band formed integrally with a plurality of terminal portions constituting a crimp terminal protruding at right angles to a band-shaped carrier, and feeding the terminal band to a terminal band feeding section. The terminal portion of the supplied terminal band includes an anvil on which the terminal portion is placed, and the terminal portion placed on the anvil is swaged, and the base portion of the terminal portion placed on the anvil is located adjacent to the anvil. A slide cutter that is arranged and cooperates with the caulking section to shear the terminal portion from the carrier, and is disposed on the free end side of the terminal portion placed on the anvil and positions the electric wire accommodated in the terminal portion on the anvil. The positioning stopper is provided, and after the worker manually transports the electric wire from the downstream side to the upstream side in the carrier feeding direction and stores it in the terminal portion, the terminal portion is caulked to form a joint portion. In a guide mechanism of a joint crimping machine used in a joint crimping machine of the type, a pair of terminals arranged on both ends in a longitudinal direction of a terminal portion mounted on an anvil is formed. A guide mechanism for a joint crimping machine, comprising a pair of guide means for guiding an electric wire by continuously rising and covering from the height of the pressure receiving surface to the height of the terminal portion or more. 2. A guide mechanism for a joint crimping machine according to claim 1, wherein one of said guide means arranged on the carrier side of the terminal band is formed on a slide cutter to avoid interference with an electric wire. The guide mechanism of the joint crimping machine formed by the concave part. 3. A guide mechanism for a joint crimping machine according to claim 1, wherein one of the guide means disposed on the free end side of the terminal portion is stripped of the electric wire to which the terminal portion is crimped. Guide mechanism of the joint crimping machine formed integrally with the positioning stopper that aligns the ends. 4. A terminal band feeding portion for feeding a terminal band integrally formed with a plurality of terminal portions constituting a crimp terminal projecting from the carrier at right angles to the carrier, and a terminal band feeding portion. An anvil on which the terminal portion of the terminal band fed to the carrier is placed, and a caulking portion for caulking the terminal portion placed on the anvil. Is manually transferred and accommodated in the terminal portion, and then the terminal portion is caulked to form a joint portion, which is a slide cutter employed in a semi-automatic joint crimping machine, the anvil being adjacent to the anvil. A body portion arranged on the base end side of the terminal portion placed on the base portion and cooperating with the caulking portion to shear the terminal portion from the carrier; and an electric wire formed on the body portion and housed in the terminal portion on the anvil. Dried A concave portion for avoiding the above, the concave portion continuously rises from the height of the pressure receiving surface of the anvil to a height equal to or higher than the position of the terminal portion, and a worker-side end portion of the terminal portion on the anvil. A slide cutter, which is configured to guide an electric wire by covering the slide cutter.