CN110581423A - Terminal crimping device and terminal crimping method - Google Patents
Terminal crimping device and terminal crimping method Download PDFInfo
- Publication number
- CN110581423A CN110581423A CN201910386009.3A CN201910386009A CN110581423A CN 110581423 A CN110581423 A CN 110581423A CN 201910386009 A CN201910386009 A CN 201910386009A CN 110581423 A CN110581423 A CN 110581423A
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- Prior art keywords
- terminal
- terminals
- crimping
- bending
- carrier
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/048—Crimping apparatus or processes
- H01R43/055—Crimping apparatus or processes with contact member feeding mechanism
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- Manufacturing & Machinery (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
Provided are a terminal crimping device and a terminal crimping method, which can perform collective crimping connection to an electric wire while reducing a gap between terminals while suppressing an increase in cost. A terminal crimping device (1) is provided with: a bending portion (12) configured to bend the inter-terminal connection portion (214) to reduce a gap (L11) between terminals of at least one terminal group (23) while maintaining a shape of an inter-group connection portion (213) of a carrier (21) of the terminal connection body (2); and a crimping portion (13) configured to crimp each of two terminals (22) in a terminal group (23) that has been subjected to bending collectively to the covered electric wire (31).
Description
Technical Field
The present invention relates to a terminal crimping device and a terminal crimping method for crimping and connecting respective terminals of a terminal connecting body to an electric wire, the terminal connecting body being constituted by a plurality of terminals connected to each other through a ribbon-like carrier.
Background
It is conventionally known to feed a terminal connecting body made up of a plurality of terminals connected to each other by a tape carrier as a material and crimp-connect the respective terminals of the terminal connecting body to an electric wire (for example, see patent document 1 listed below).
Patent document 1 discloses that a plurality of terminals connected to each other by a carrier are crimped together to an electric wire. In recent years, connectors have become smaller in size, and a gap between terminals of a terminal connection body fed as a material is generally wide with respect to an electric wire arranged in accordance with a terminal arrangement of the connector. Thus, in patent document 1, before the crimp connection, the connection portion of the carrier between the terminals is bent, so that the gap between the terminals is reduced to match the gap between the terminals with the arrangement gap of the electric wire.
Prior Art
Patent document
Patent document 1: JP 2010-003429A
Disclosure of Invention
A predetermined number of terminals, for example, two terminals, in the terminal connecting body may be subjected to the crimping connection. In this case, the crimp connection is simultaneously performed for a set of the terminals of the number. At this time, if the gap between the terminals has been reduced, the subsequent terminals may interfere with a part of the apparatus that makes the crimp connection, and may cause difficulty in the crimp connection. On the other hand, in order to maintain a constant crimping force, the portion of the device to be crimped should not be reduced as much. Thus, in order to avoid such interference, it is necessary to perform the crimp connection after separating a predetermined number of terminal groups to be crimped from the subsequent terminals, for example, by cutting the terminal connection body. However, this may lead to complication of the terminal crimping apparatus that performs the crimp connection and/or to increase in the processing steps of the terminal crimping method, eventually leading to increase in cost.
In view of the above-described problems, an object of the present invention is to provide a terminal crimping device and a terminal crimping method capable of suppressing an increase in cost while reducing a gap between terminals and performing collective crimp connection with an electric wire.
In order to achieve the above object, the present invention provides a terminal crimping device configured to crimp and connect respective terminals of a plurality of terminals of a terminal connecting body to an electric wire, the terminal connecting body having the plurality of terminals connected such that each terminal extends from one side edge of a tape carrier, the plurality of terminals being divided into a plurality of terminal groups each including two or more terminals positioned adjacent to each other, the terminal crimping device comprising: a bending portion configured to bend inter-terminal connection portions of the carrier between two or more of the terminals to reduce gaps between the terminals of at least one of the terminal groups while maintaining a shape of inter-group connection portions of the carrier between a plurality of the terminal groups; and a crimping portion configured to crimp together respective terminals of two or more of the terminals in one of the terminal groups that have been subjected to bending by the bending portion to the electric wire.
Further, in order to achieve the above object, the present invention provides a terminal crimping method for crimping and connecting respective ones of a plurality of terminals of a terminal connecting body to an electric wire, the terminal connecting body having a plurality of terminals connected so that each of the terminals extends from one side edge of a tape-like carrier, the plurality of terminals being divided into a plurality of terminal groups each including two or more terminals positioned adjacent to each other, the terminal crimping method comprising the steps of: bending inter-terminal connection portions of the carrier between two or more of the terminals to reduce gaps between the terminals of at least one of the terminal groups while maintaining a shape of inter-group connection portions of the carrier between a plurality of the terminal groups; and crimping and connecting together respective ones of two or more of the terminals in one of the terminal groups that have been subjected to bending in the bending step to the electric wire.
According to the terminal crimping device and the terminal crimping method of the present invention, in a state where the inter-terminal connecting portion between the terminals of the terminal group has been subjected to bending, the crimp connection to the electric wire is performed in a collective manner for two or more terminals in one terminal group. At this time, according to the terminal crimping device and the terminal crimping method of the present invention, bending is performed while maintaining the shape of the inter-group connecting portion located between the plurality of terminal groups. That is, the subsequent terminals following the terminal group to be crimped are arranged to be spaced apart from the terminal group to be crimped by a wide gap corresponding to the length of the unbent inter-group connecting portion. Therefore, the crimp connection can be performed without considering interference with the subsequent terminal and with a sufficient space, so that, for example, an unreasonable miniaturization of the crimp portion and/or a separation step of the terminal connecting body requiring an increased cost are no longer required. Thus, according to the terminal crimping device and the terminal crimping method of the present invention, it is possible to perform collective crimp connection of electric wires while suppressing an increase in cost in a state in which the gap between terminals is reduced.
Drawings
Fig. 1 is a schematic view showing a terminal crimping device according to an embodiment of the present invention;
Fig. 2 is a schematic view showing a process performed by the terminal crimping apparatus shown in fig. 1;
FIG. 3 is a schematic view illustrating an internal operation of the bending part shown in FIG. 1;
Fig. 4 shows the terminal connecting body before and after the bending process by the bending portion shown in fig. 1 and 3; and is
Fig. 5 shows a modification with respect to the bending at the bending portion shown in fig. 1 and 3.
List of reference marks
1 terminal crimping device
2 terminal connector
3 multicore electric wire
11 feeding part
12 bending part
13 crimping part
14 electric wire placing part
15 cutting part
21. 51, 52, 53, 54, 55, 56, 57, 58, 59 vectors
22 terminal
23. 543, 553, 563 terminal group
31 coated electric wire
32 insulating sheath
111 feed claw
121 pressing part
122 receiving die
122a mating groove
131 anvil block
131a support plate
132 crimping machine
132a conductor crimping machine
132a-1 Recessed mold for conductors
132b covered crimping machine
132b-1 concave die for coating
211 a side edge
212 through hole
213 inter-group connection part
214 inter-terminal connection part
221 electric connection part
222 conductor crimping part
223 coated pressure-bonding part
311 conductor part
Direction of extension of D11
D12 feed direction
D13, D51, D52 bending directions
D14 crimping direction
D15 Placement Direction
Distance between L11 bent front terminals
Distance between terminals after L12 bending
L13 distance between groups
Detailed Description
An embodiment of the present invention will be described below.
fig. 1 shows a schematic view of a terminal crimping device according to an embodiment of the present invention. Fig. 2 is a schematic diagram illustrating a process performed by the terminal crimping apparatus shown in fig. 1.
The terminal crimping device 1 of this embodiment is configured to crimp-connect (i.e., connect by crimping) each terminal 22 of the terminal connecting body 2 having a plurality of terminals 22 connected to each other by the carrier 21 to a pair of covered electric wires 31 (i.e., electric wires) constituting core wires of the multi-core cable 3.
In this embodiment, the multicore cable 3 is a two-core cable in which a pair of covered electric wires 31 is covered with an insulating sheath 32. The insulating sheath 32 is removed at one end of the multicore cable 3 and the pair of covered electric wires 31 is exposed. Further, the coating at the end of each coated electric wire 31 is removed and thereby the conductor part 311 is exposed. The terminals 22 are to be crimped to the ends of the respective covered electric wires 31 including the conductor portions 311.
The terminal connecting body 2 is constituted by a plurality of terminals 22, and the plurality of terminals 22 are connected such that each terminal 22 extends from one side edge 211 of the tape carrier 21 in an extending direction D11 along an in-plane (in-plane) direction and perpendicular to the side edge 211. Each terminal 22 is a female terminal to be accommodated in a connector not shown, and includes: a tubular electrical connection portion 221 into which a mating male terminal is inserted and connected; a conductor crimping portion 222; and a coated crimping part 223. The conductor crimping portion 222 is configured to be crimped to the conductor portion 311 exposed at the end of the coated electric wire 31. The coated crimping portion 233 is crimped to the coated portion adjacent to the conductor portion 311. By crimping the two crimping portions, the terminal 22 is crimped and connected to the covered electric wire 31.
The terminal connecting body 2 is wound around a reel, not shown, and fed from the reel to the terminal crimping device 1. The terminal crimping device 1 winds out the terminal connected body 2 in a predetermined feeding direction D12, and crimps and connects the respective terminals 22 connected to the carrier 21 to the covered electric wire 31. In this embodiment, the crimp connection of the terminal 22 is performed together for the pair of covered electric wires 31 of the multi-core cable 3. When the plurality of terminals 22 on the terminal connecting body 2 are divided into a plurality of terminal groups 23 and each group includes two adjacent terminals 22, the terminal crimping device 1 sequentially performs crimping of the terminals 22 from the terminal group 23 located at the front end in the feeding direction D12. The two terminals 22 in each terminal group 23 are simultaneously crimped and connected to the pair of covered electric wires 31. Furthermore, the two terminals 22 are detached from the carrier 21 together with the crimp connection.
The terminal crimping device 1 includes a feeding part 11, a bending part 12, a crimping part 13, a wire placing part 14, and a cutting part 15.
The feeding part 11 is a part configured to reel out the terminal connecting body 2 from a reel (not shown) in a feeding direction D12, thereby feeding the respective terminal groups 23 to the bending part 12 and the crimping part 13. In this embodiment, a through hole 212 for feeding is provided on the carrier 21 of the terminal connector 2. The feeding portion 11 includes a feeding claw 111 engaged to the through hole 212. In fig. 1, with respect to the feeding claw 111, a driving mechanism other than the feeding claw 111 is not shown. By moving the feeding claw 111 engaged with the through hole 212 in the feeding direction D12, the feeding claw 111 feeds the terminal connector 2 in the feeding direction D12.
The bending portion 12 bends the inter-terminal connection portion 214 of the carrier 21 located between the two terminals 22 of one terminal group 23 fed by the feeding portion 11, thereby reducing the gap between the terminals. At this time, the shape of the inter-block connection portion 213 of the carrier 21 positioned between the plurality of terminal groups 23 is maintained as it is.
Fig. 3 is a schematic view illustrating an internal operation of the bending part shown in fig. 1. Fig. 4 shows the terminal connecting body before and after the bending process by the bent portion shown in fig. 1 and 3.
The bending portion 12 includes a pressing portion 121 and a receiving mold 122. The pressing part 121 is a member having a rectangular shape whose cross section is perpendicular to the in-plane direction of the carrier 21 and is parallel to the feeding direction D12. The pressing part 121 moves down in the bending direction D13 in fig. 3 to the inter-terminal connecting parts 214 on the carrier 21 of the terminal group 23 that has been fed in the feeding direction D12, and performs pressing. The receiving mold 122 is provided with a fitting groove 122a having a rectangular cross section that fits with the pressing part 121, so that the pressing part 121 is received in the fitting groove 122a together with the inter-terminal connecting part 214 pressed by the pressing part 121. The inter-terminal connecting portion 214 is bent into a rectangular shape by being sandwiched between the pressing portion 121 and the fitting groove 122 a. In this embodiment, the bending is performed such that a certain face side of the front side and the back side of the carrier 21 is always formed to be protruded. With this bending of the inter-terminal connecting portion 214, the inter-terminal distance of the two terminals 22 in the terminal group 23 is reduced from the pre-bending inter-terminal distance L11 to the post-bending inter-terminal distance L12. Meanwhile, since the inter-group connecting portions 213 are not subjected to bending, the inter-group distance L13 between the adjacent terminal groups 23 is maintained as it is.
This processing performed at the bending portion 12 corresponds to a bending step in the terminal crimping method carried out by the terminal crimping portion 1 of this embodiment.
the terminal group 23 having been subjected to the bending by the bending portion 12 is then fed to the crimping portion 13 by the feeding portion 11, as shown in fig. 1 and 3.
The crimping section 13 crimps together the respective terminals of the two terminals 22 in the terminal group 23 that has been fed to the coated electric wire 31 without interfering with the terminal 22 that is spaced apart from the terminal group 23 by an inter-group distance L13 corresponding to the length of the inter-group connecting section 213. The crimping section 13 includes an anvil 131 and a crimper 132.
The anvil 131 includes two rows of support plates 131a which support the two terminals 22, respectively, from below. The feeding section 11 performs feeding such that the two terminals 22 in the terminal group 23 are placed on the two rows of the support plates 131 a. The above-described bending by the bending portion 12 is a process of reducing the inter-terminal distance of the two terminals 22 in the terminal group 23 to the post-bending inter-terminal distance L12, which is a distance L12 that matches the arrangement gap of the two rows of support plates 131a (i.e., the gap between the two rows of support plates 131a arranged).
At this time, the arrangement gap of the two rows of support plates 131a of the anvil 131 matches the arrangement gap of the pair of covered electric wires 31 arranged at the time of crimping. This arrangement gap of the covered electric wires 31 is a gap corresponding to the terminal arrangement of the connector (not shown) that accommodates the two terminals 22 after crimping.
The crimper 132 includes a conductor crimper 132a for crimping the conductor crimping portion 222 of the terminal 22 and a coating crimper 132b for crimping the coating crimping portion 223. The conductor crimping machine 132a and the coating crimping machine 132b are arranged in the order of the coating crimping machine 132b and the conductor crimping machine 132a from the front side to the rear side of fig. 1 according to the positions of the conductor crimping portion 222 and the coating crimping portion 223 of the terminal 22 on the support plate 131 a. The conductor crimping machine 132a is provided with two concave molds for conductor 132a-1, the concave molds for conductor 132a-1 being configured to receive the conductor crimping portions 222 of the respective two terminals 22 placed on the two rows of the support plates 131 a. Further, the coating crimping machine 132b is provided with two concave molds for coating 132b-1, the concave molds for coating 132b-1 being configured to receive the coating crimping parts 223 of the respective two terminals 22.
Once the two terminals 22 and the ends of the pair of covered electric wires 31 are placed on the two support plates 131a, the conductor crimper 132a and the covered crimper 132b are moved downward as a unit in the crimping direction D14 toward the terminals 22 and the ends of the covered electric wires 31. Due to this downward movement, each of the coated crimping portions 223 is received in a respective concave mold for coating 132b-1 of the coated crimping machine 132b, and each of the conductor crimping portions 222 is received in a respective concave mold for conductor 132a-1 of the conductor crimping machine 132 a. Thereafter, the conductor crimping machine 132a and the coating crimping machine 132b keep applying a certain pressing force in the crimping direction D14, thereby crimping the conductor crimping portion 222 and the coating crimping portion 223.
Further, the electric wire placing part 14 performs arrangement of the end of the coated electric wire 31 with respect to the terminal 22 placed at the crimping part 13.
the electric wire placing part 14 holds a part of the insulating sheath 32 of the multicore cable 3 so that the ends of the pair of covered electric wires 31 exposed at the first end are directed to the crimping part 13. Then, once the two terminals 22 in one terminal group 23 are placed on the two rows of the support plates 131a of the anvil 131 by the feeding section 11, the electric wire placing section 14 is moved in the placing direction D15 shown in fig. 1. This movement is performed until the conductor parts 311 at the ends of the pair of covered electric wires 31 are placed on the conductor crimping parts 222 of the two terminals 22.
then, after the placement of the ends of the pair of covered electric wires 31 is completed by the electric wire placing part 14, the crimper 132 is moved downward in the crimping direction D14 in the crimping part 13, thereby performing the crimp connection.
The processing performed at this crimping portion 13 corresponds to the crimping step in the terminal crimping method carried out by the terminal crimping device 1 of this embodiment.
In this embodiment, the cut part 15 configured to cut off the two terminals 22 from the carrier 21 is provided on the front side in the illustration of the crimp part 13 in fig. 1. Here, in fig. 1, the cut part 15 is indicated with a dotted line to provide a view of the anvil 131 of the crimping part 13.
The cut portion 15 includes an upper portion 151 located above the carrier 21 and a lower portion 153 located below the carrier 21, and has a built-in upward blade abutting a boundary of the carrier 21 and the terminal 22 from the back side. The cutting part 15 is a so-called shearing blade in which the upper part 151 is moved downward in the same direction as the crimping direction D14 of the crimping part 13, thereby performing a cutting process using shearing of the upper blade of the lower part 152. In this embodiment, the downward movement of the upper portion 151 is performed in synchronization with the movement of the crimper 132, and the two terminals 22 are cut off from the carrier 21 at the time of completing the crimping of the conductor crimp portion 222 and the coated crimp portion 223. Thus, the cutting part 15 of this embodiment cuts the terminal 22 away from the carrier 21 substantially simultaneously with the crimping by the crimping part 13 in any point of time after the crimping by the bending part 12 to the crimping by the crimping part 13.
In this cut portion 15, not only the terminals 22 are cut off, but also the carrier 21 is cut off together with the subsequent inter-group connecting portion 213 in the feeding direction D12 after the terminals 22 are cut off in the terminal group 23 fed to the crimping portion 13. In order to perform this cutting process, the lower portion 152 of the cutting part 15 is also provided with an upward blade which abuts, from the back side, the boundary of the inter-group connecting portion 213 of the terminal group 23 which is subsequently fed to the crimping part 13 and the other terminal group 23 which is again subsequently fed to the crimping part 13. When the upper portion 151 moves downward, the cutting of the carrier 21 is performed together with the cutting of the terminals 22.
This processing performed at the cutting section 15 corresponds to a cutting step in the terminal crimping method carried out by the terminal crimping device 1 of this embodiment.
By the cutting of the cutting portion 15, the crimp connection of the two terminals 22 in one terminal group 23 to the pair of covered electric wires 31 of one multicore cable 3 is completed. Then, the feeding part 11 feeds the terminal connection body 2 in the feeding direction D12, thereby placing the next terminal group 23 at the crimping part 13. At this time, the terminal group 23 before bending is placed on the bending portion 12 to bend the inter-terminal connecting portion 214.
In the terminal crimping device 1 and the terminal crimping method according to the embodiment, the crimp connection of the covered electric wire 31 is performed together for the two terminals 22 in one terminal group 23 that has been subjected to bending of the inter-terminal connecting portion 214 between the terminals. At this time, according to the terminal crimping device 1 and the terminal crimping method of the embodiment, the bending is performed while the shape of the inter-group connecting part 213 located between the plurality of terminal groups 23 is maintained as it is. That is, the subsequent terminal 22 following the terminal group 23 to be crimped is spaced apart from the terminal group 23 to be crimped with a large gap corresponding to the length of the inter-group connecting portion 213 before bending. Then, the crimp connection can be made without taking into account the interference with the subsequent terminal 22 and with sufficient space, so that, for example, an unreasonable miniaturization of the crimp portion 13 and/or a separation step of the terminal connection body requiring an increased cost is no longer required. Thus, according to the terminal crimping device 1 and the terminal crimping method of the embodiment, the collective crimp connection to the covered electric wires 31 can be performed while suppressing an increase in cost in a state where the gap between the terminals 22 is reduced.
Further, according to this embodiment, the shape of the inter-group connecting portion 213 located between the plurality of terminal groups 23 can be maintained as it is, so that the internal stress accumulated in the carrier 21 due to bending can be reduced. As a result, it is also possible to reduce any deformation such as warpage occurring in the carrier 21 after bending due to internal stress. Thereby, the terminal 22 can be crimped and connected to the covered electric wire 31 while suppressing displacement of the terminal 22 in the terminal group 23 to be crimped.
Here, the above-described multi-core cable 3 may be, for example, a stranded cable having a pair of covered electric wires 31 stranded inside an insulating sheath 32, or a shielded cable having a shield portion disposed between the insulating sheath 32 and the covered electric wires 31. These cables are high-frequency cables used in transmission of high-frequency signals, and are twisted or shielded, for example, for the purpose of improving high-frequency performance by reducing noise. In these high-frequency cables, the noise reduction effect is reduced for the portion where the insulating sheath 32 is removed and exposed, resulting in a reduction in the high-frequency performance of the high-frequency cable. Therefore, for a high-frequency cable, even if it is necessary to expose the covered electric wire 31 by a certain length for the crimp connection of the terminal 22 and for the subsequent insertion of the terminal into the connector, it is desirable to make the exposed length of the exposed portion as short as possible.
In this embodiment, as described above, since the inter-terminal distance is reduced for the terminal group 23 to be placed on the crimping section 13, when the pair of covered electric wires 31 are exposed from the insulating sheath 32 and the covered electric wires 31 are divided into two, the exposed length and the gap between the electric wires can be shortened. As a result, according to this embodiment, it is possible to crimp-connect the terminal 22 to the covered electric wire 31 of the high-frequency cable while suppressing the degradation of the high-frequency performance.
Further, in this embodiment, the bent portion 12 bends the inter-terminal connecting portion 214 in a bending direction D13 corresponding to a thickness direction intersecting with the in-plane direction of the carrier 21, as shown in fig. 3. By arranging the bending direction D13 to be a direction corresponding to the thickness direction of the carrier 21, bending can be performed more easily than, for example, bending along the in-plane direction of the carrier 21. In addition, since the carrier 21 can be easily bent as described above, the internal stress accumulated in the carrier can be further reduced.
Further, in this embodiment, the bending portion 12 is arranged to be bent in the bending direction D13 such that one surface side of the front surface and the back surface of the carrier 21 is always formed to protrude. By arranging the bending direction D13 in a specific direction, the device configuration for the bent portion 12 can be simplified, thereby further reducing the cost required for the terminal crimping device 1, that is, the cost required for the crimp connection of the terminal 22.
Next, a modification will be described with respect to this embodiment. The following modification is a modification regarding bending by the bending portion 12 of the embodiment, in which bending is performed such that a cross section of the carrier 21 perpendicular to the in-plane direction of the carrier 21 and along the length direction of the carrier 21 is formed in a downward rectangular shape as shown in fig. 1 and 3.
Fig. 5 shows a modification with respect to the bending at the bending portion shown in fig. 1 and 3.
Fig. 5 schematically shows nine types of curved rear carriers 51, 52, 53, 54, 55, 56, 57, 58, 59 of a variant. In fig. 5, these carriers 51, 52, 53, 54, 55, 56, 57, 58, 59 are classified according to the bending direction and the bending shape, and are represented correspondingly in the classification table. That is, as for the bending direction, the following bending directions are shown, that is: in contrast to the above-described embodiments, vertically inverted and which result in different bending directions of the protruding faces; alternately changing a bending direction of a face to be protruded out of the front face and the back face of the carrier for adjacent faces; and a bending direction directed upwards and having a width different from the distance of the above-described embodiment. Further, as for the bent shape, a quadrangular bent shape, a V-shaped bent shape, and a U-shaped bent shape having the same cross section as the rectangular shape of the above-described embodiment are shown.
In the first modification, the carrier 51 is bent in the upward-directed bending direction D51 to provide the protruding upper surface side, thereby providing a quadrangular bent shape. In a second variant, the bending is performed on the carrier 52 with the bending direction D51 pointing upwards, providing a V-shaped bend. In the third modification, bending is performed on the carrier 53 in the upward-facing bending direction D51 to provide a U-shaped bent shape.
In the fourth modification, bending is performed on the carrier 54 in the bending direction D51 and the bending direction D52 so that the faces to be projected are alternately changed for the adjacent terminal groups 543. That is, in this fourth modification, the bending portion 12 is configured to change the bending directions D51, D52 every time one bending is performed on one terminal group 543. Further, in the fourth modification, the bending is performed such that the bent shape will be a quadrangular bent shape. In the fifth modification, bending is performed on the carrier 55 to alternately change the bending directions D51 and D52 for the adjacent terminal groups 553 to provide a V-shaped bent shape. In the sixth modification, bending is performed on the carrier 56 with the bending directions D51 and D52 changed alternately for the adjacent terminal group 563 to provide a U-shaped bent shape.
In the seventh modification, bending is performed on the carrier 57 in the bending direction D51 directed upward to provide a wide quadrangular bent shape. In an eighth variant, the carrier 58 is bent with the bending direction D51 pointing upwards to provide a wide V-shaped bent shape. In a ninth modification, bending is performed on the carrier 59 with the bending direction D51 directed upward to provide a wide U-shaped bent shape.
It is apparent that even if bending is performed in the bent portion 12 in any of the above-described modifications, it is possible to suppress an increase in cost while reducing the gap between the terminals 22 and performing crimp connection together with the covered electric wires 31, as in the case of the above-described embodiment.
Here, in the fourth to sixth modifications, the bending portion 12 changes the bending directions D51, D52 so that the face to be protruded out of the front and back faces of the carrier 21 is changed each time one terminal group 543, 553, 564 is bent. According to these modifications, by changing the bending directions D51, D52 as described above, the direction of the internal stress accumulated in the carriers 54, 55, 56 can be changed for each bending, so that the internal stresses can cancel each other out. As a result, any deformation such as warpage due to internal stress can be further reduced.
the above-described embodiment and the first to ninth modifications are merely representative of the present invention, and the present invention is not limited to these. That is, various changes and modifications may be made and implemented without departing from the scope of the present invention, and they are within the scope of the present invention as long as they include the structure of the terminal crimping device of the present invention and the terminal crimping method.
For example, as one example of the terminal crimping device and the terminal crimping method according to the present invention, the above-described embodiment and the first to ninth modifications show the terminal crimping device 1 and the terminal crimping method in which two terminals 22 are included in the terminal group 23 and the terminals 22 are crimped and connected together two by two. However, the terminal crimping device and the terminal crimping method according to the present invention are not limited thereto. In the terminal crimping device and the terminal crimping method according to the invention, the number of terminals that are included in one terminal group and are crimped together may be arbitrarily set as long as two or more terminals are included in one terminal group and are crimped together.
Further, as an example of the terminal connecting body according to the present invention, the above-described embodiment and the first to ninth modifications show the terminal connecting body 2 including a plurality of terminals 22 connected to each other via the carrier 21, each of the terminals 22 being a female type terminal. However, the terminal connecting body according to the present invention is not limited thereto. The terminal connecting body according to the present invention may include a plurality of terminals, each of which is a male-type terminal, connected to each other via a carrier.
Further, as one example of the bending portion and the bending step according to the present invention, the above-described embodiment and the first to ninth modifications show the bending portion 12 and the bending step of bending the one terminal group 23, 543, 553, 563. However, the bending part and the bending step according to the present invention are not limited thereto. In the bending portion and the bending step according to the present invention, the number of terminal groups to be subjected to bending may be arbitrarily set as long as they are configured to bend at least the inter-terminal connecting portion of one terminal group.
Further, as one example of the bending portion and the bending step according to the present invention, the fourth to sixth modifications show that the bending directions D51, D52 are changed every time one terminal group 543, 553, 563 is bent. However, the manner of changing the bending direction of the bending portion and the bending step according to the present invention is not limited thereto. In the case where one terminal group includes three or more terminals and there are two or more inter-terminal connecting portions, the bending direction may be changed every time one inter-terminal connecting portion is bent.
As an example of the cut portion, the above-described embodiment and the first to ninth modifications show the cut portion 15 configured to cut the terminal 22 away from the carrier 21 substantially at the same time as the press-connection of the terminal 22. However, the cutting part according to the present invention is not limited thereto. In the cut part according to the present invention, the time of the separation may be appropriately set as long as the separation of the terminal is performed at an arbitrary point of time from the bending by the bending part to the completion of the crimping by the crimping part. Further, the singulation may be performed such that the terminals are singulated from the carrier in a separate step, or may be performed in two separate steps, as described below. That is, for example, the terminal group to be crimped may be cut off from the subsequent terminal group at the first time after bending before crimping, and thereafter the cutting off of the terminal may be performed at an arbitrary point of time until crimping is completed.
Claims (5)
1. A terminal crimping device configured to crimp respective terminals of a plurality of terminals of a terminal connecting body to an electric wire, the terminal connecting body having the plurality of terminals, the plurality of terminals being connected such that each terminal extends from one side edge of a tape-like carrier, the plurality of terminals being divided into a plurality of terminal groups each including two or more terminals adjacent to each other, the terminal crimping device comprising:
A bending portion configured to bend inter-terminal connection portions of the carrier between the two or more terminals to reduce gaps between the terminals of at least one terminal group while maintaining a shape of inter-group connection portions of the carrier between a plurality of the terminal groups; and
A crimping portion configured to crimp together, to the electric wire, each of two or more of the terminals in one terminal group that has been subjected to bending by the bending portion.
2. A terminal crimping device as claimed in claim 1, wherein the bent portion is configured to bend the inter-terminal connecting portion in a thickness direction of the carrier.
3. The terminal crimping device according to claim 2, wherein the bent portion is configured to be bent such that a specific face side out of front and rear faces of the carrier always protrudes.
4. A terminal crimping device as claimed in claim 2, wherein the bent portion is configured to be bent such that a protruding face among front and rear faces of the carrier is changed every time one of the terminal groups is bent or every time one of the inter-terminal connecting portions is bent.
5. A terminal crimping method for crimping and connecting respective terminals of a plurality of terminals of a terminal connecting body to an electric wire, the terminal connecting body having the plurality of terminals, the plurality of terminals being connected such that each of the terminals extends from one side edge of a tape carrier, the plurality of terminals being divided into a plurality of terminal groups each including two or more terminals adjacent to each other, the terminal crimping method comprising the steps of:
Bending inter-terminal connection portions of the carrier between the two or more terminals to reduce gaps between the terminals of at least one terminal group while maintaining a shape of inter-group connection portions of the carrier between a plurality of the terminal groups; and
crimping and connecting together respective ones of two or more of the terminals in one terminal group that has been subjected to bending in the bending step to the electric wire.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018109969A JP2019212570A (en) | 2018-06-08 | 2018-06-08 | Terminal crimping device and terminal crimping method |
| JP2018-109969 | 2018-06-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110581423A true CN110581423A (en) | 2019-12-17 |
Family
ID=68810812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910386009.3A Withdrawn CN110581423A (en) | 2018-06-08 | 2019-05-09 | Terminal crimping device and terminal crimping method |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2019212570A (en) |
| CN (1) | CN110581423A (en) |
| MX (1) | MX2019005378A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RS61021B1 (en) * | 2017-07-25 | 2020-12-31 | Komax Holding Ag | Crimp tool exchange device, crimping press system and method for exchanging a first crimping tool fixed in a process position in a crimping press relative to a second crimping tool |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4242535A (en) * | 1979-09-27 | 1980-12-30 | Amp Incorporated | Connection of wires to components having two prongs |
| JPH05326055A (en) * | 1992-05-19 | 1993-12-10 | Yazaki Corp | Manufacture of lateral chain terminal and lateral chain-like terminal metal fitting |
| JPH088034A (en) * | 1994-06-27 | 1996-01-12 | Fujikura Ltd | Connector assembly method for flat cable |
| JP2006127775A (en) * | 2004-10-26 | 2006-05-18 | Japan Aviation Electronics Industry Ltd | Series terminal |
| US20070117476A1 (en) * | 2005-11-18 | 2007-05-24 | Yazaki Corporation | Chained-terminals body, method of manufacturing the same, and crimper for crimping the same |
| JP2010003429A (en) * | 2008-06-18 | 2010-01-07 | Yazaki Corp | Terminal crimping method for multi-core electric cable |
| CN105009385A (en) * | 2013-02-23 | 2015-10-28 | 古河电气工业株式会社 | Connection-structure manufacturing method, wire harness, and connection-structure manufacturing device |
| JP6329850B2 (en) * | 2014-08-25 | 2018-05-23 | 古河電気工業株式会社 | Chain terminal, chain terminal manufacturing apparatus, and chain terminal manufacturing method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63121280A (en) * | 1986-11-10 | 1988-05-25 | 三和電工株式会社 | Terminal application of connector |
| JP2598165Y2 (en) * | 1993-04-29 | 1999-08-03 | 古河電気工業株式会社 | Chained electrical connector |
| JPH07320844A (en) * | 1994-05-23 | 1995-12-08 | Furukawa Electric Co Ltd:The | Manufacture of joint terminal joint band |
-
2018
- 2018-06-08 JP JP2018109969A patent/JP2019212570A/en not_active Abandoned
-
2019
- 2019-05-08 MX MX2019005378A patent/MX2019005378A/en unknown
- 2019-05-09 CN CN201910386009.3A patent/CN110581423A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4242535A (en) * | 1979-09-27 | 1980-12-30 | Amp Incorporated | Connection of wires to components having two prongs |
| JPH05326055A (en) * | 1992-05-19 | 1993-12-10 | Yazaki Corp | Manufacture of lateral chain terminal and lateral chain-like terminal metal fitting |
| JPH088034A (en) * | 1994-06-27 | 1996-01-12 | Fujikura Ltd | Connector assembly method for flat cable |
| JP2006127775A (en) * | 2004-10-26 | 2006-05-18 | Japan Aviation Electronics Industry Ltd | Series terminal |
| US20070117476A1 (en) * | 2005-11-18 | 2007-05-24 | Yazaki Corporation | Chained-terminals body, method of manufacturing the same, and crimper for crimping the same |
| JP2010003429A (en) * | 2008-06-18 | 2010-01-07 | Yazaki Corp | Terminal crimping method for multi-core electric cable |
| CN105009385A (en) * | 2013-02-23 | 2015-10-28 | 古河电气工业株式会社 | Connection-structure manufacturing method, wire harness, and connection-structure manufacturing device |
| JP6329850B2 (en) * | 2014-08-25 | 2018-05-23 | 古河電気工業株式会社 | Chain terminal, chain terminal manufacturing apparatus, and chain terminal manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| MX2019005378A (en) | 2019-12-09 |
| JP2019212570A (en) | 2019-12-12 |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191217 |