JP4060324B2 - Automatic pressure welding machine - Google Patents

Description

  The present invention relates to an automatic pressure welding machine for manufacturing a wire harness in which a pressure contact connector is press-connected to a plurality of electric wires, and more particularly, to a daisy chain type wire harness in which a plurality of pressure contact connectors are connected to an intermediate portion of a plurality of wires. The present invention relates to an automatic pressure welding machine that can easily manufacture a wire harness in which a pressure welding connector is reversely connected.

  A wire harness in which a pressure connector is pressure-connected to a plurality of electric wires has a 1-N harness that is pressure-connected with the two pressure-contact connectors connected in the same direction, and a reverse direction in which the directions of the two pressure-connectors are reversed by 180 °. There are two types of 1-1 harness with pressure contact.

  Thus, as an automatic pressure welding machine for manufacturing two different types of wire harnesses, a pressure welding device for connecting a pressure welding connector to a group of wires includes three sets of pressure welding punches and pressure welding dies, of which one set of pressure welding punches and pressure welding dies. 1st and 2nd which hold | maintains the edge part vicinity of what was arrange | positioned upside down with respect to the other 2 sets of press-contact punches and press-contact dies (refer patent document 1), and the wire group which connects two press-contact connectors. This clamp can be rotated 180 ° around the wire transfer passage with respect to the other clamps, and the direction of the pressure contact connector connected to both ends of the wire group is the same or opposite. A device that selectively manufactures a 1-1 harness and a 1-N harness (see Patent Document 2) is known.

All of the above-mentioned known automatic pressure welding machines can be applied only to an end-type wire harness in which a pressure welding connector is connected to both ends of a predetermined length of wire group. It was not possible to process a daisy chain type wire harness connected to a connector.
Japanese Patent No. 2534164 Japanese Patent No. 3490464

  The present invention has been made in view of the above circumstances, and can be applied to the processing of both end type and daisy chain type wire harnesses with a single automatic pressure welding machine, while 1-1 harness and 1-N harness. It is an object of the present invention to provide an automatic pressure welding machine capable of selectively manufacturing two types of wire harnesses having different types.

  In order to achieve the above object, the present invention provides a wire guide device that guides and feeds a group of continuously supplied wires along a wire transfer passage extending substantially horizontally and in parallel in the lateral direction, and the wire. A pressure welding device having a pressure welding punch and a pressure welding die that are provided vertically relative to each other across the transfer path, a connector supply device that supplies a pressure welding connector to the pressure welding die, and a wire group connected to the pressure welding connector. An automatic pressure welding machine provided with a movable chuck that moves along the electric wire transfer passage, wherein the four conversion fingers face the upper and lower sides and the left and right sides of the electric wire transfer passage on both front and rear sides of the pressure welding device. The first and second arrangements in which the arrangement order in the horizontal direction of the electric wire groups is reversed are reversed by individually guiding and supporting the electric wire groups supplied in parallel in the horizontal direction and moving and displacing in the horizontal direction. The wire guide device is located in the vicinity of the first wire conversion device disposed on the wire supply side, and the second wire conversion device disposed on the wire discharge side. It is provided so that it can reciprocate along the said electric wire transfer channel | path between the vicinity positions.

  The wire guide device has at its front end a wire guide portion provided with a plurality of guide grooves for individually guiding and holding a group of electric wires supplied in parallel in the horizontal direction at a predetermined pitch in the horizontal direction, The wire guide part moves along the wire transfer path from the wire supply side of the pressure welding device to a position near the second wire conversion device, so that the first and second wire conversion devices can It is configured to move and displace the twisted portion of the wire group that is generated when the lateral arrangement order is reversed, to the outside of the pressure welding apparatus.

  The first and second wire conversion devices divide a group of electric wires arranged in parallel in the horizontal direction into two groups on the right and left sides, and upward conversion fingers and the other group that push up one group of electric wires individually A downward conversion finger that individually pushes down the electric wire, and an upward conversion finger and a downward conversion finger that are arranged out of phase with respect to the upward conversion finger and the downward conversion finger. The first wire conversion device and the pressure welding device have a left direction conversion finger and a right direction conversion finger that push the pressed wire in the left direction and the right direction to change the arrangement order in the horizontal direction. A wire guide plate is arranged in the middle so that it can move up and down. After replacing the order of arrangement of the transverse direction of the wire group to the opposite both sides, and is configured to retain the pitch of the wire group by the wire guide plate.

  The upper direction conversion finger and the lower direction conversion finger are provided with first guide support grooves that individually engage and support the electric wires in a step shape, and the electric wires that are pushed up and down interfere in the horizontal direction. The left direction conversion finger and the right direction conversion finger are provided with second guide support grooves that are individually engaged with and supported by the diagonally arranged electric wires in a step shape. And when the electric wires are pushed leftward and rightward, the arrangement order of the electric wires in the horizontal direction is reversed, and the pitch of the changed electric wires is held by the wire guide plate. It is configured.

  When there are an odd number of wire groups arranged in parallel in the horizontal direction, the central wire is left and the left and right wire groups are made into two groups. Further, when there are an even number of electric wire groups arranged in parallel in the horizontal direction, the electric wire group is divided into two equal groups.

  The press-contacting device includes two sets of press-contact punches and press-contact dies that are spaced apart from each other along the wire transfer passage, and an electrical wire-cutting punch and a cutting die that are disposed between the two and operate independently. It is set as the structure which has.

  As described above, the automatic pressure welding machine according to the present invention individually guides and supports a group of wires supplied in parallel in the lateral direction by the first and second wire conversion devices provided on the front and rear sides of the pressure welding device. By moving and moving in the horizontal direction, it is only necessary to reverse the arrangement order in the horizontal direction of the electric wire group, and without changing the pressure welding device or any other changes, the wire harness of a different type, That is, the 1-1 harness and the 1-N harness can be selectively and efficiently manufactured. In addition, even when different types of wire harnesses are mixed, the pressure welding device is pressure-welded from the same direction (upper surface side) without any change, so that the inspection process after the pressure-welded connection, covers, retainers, etc. Subsequent processes such as assembly of other parts can be facilitated.

  Furthermore, the automatic pressure welding machine according to the present invention includes both an end type in which a pressure welding connector is connected to one or both ends of a plurality of electric wires and a daisy chain type wire harness in which a plurality of pressure welding connectors are connected to an intermediate position of the plurality of electric wires. Therefore, there is an advantage that the range of use is very large.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  1 and 3 show an outline of the main part of the automatic pressure welding machine according to the present invention, and a wire group 2 (see FIG. 12) continuously supplied from a wire stand 1 (see FIG. 12) which is a supply source of the wire group 2. 4 and FIG. 8) along the wire transfer passage W extending substantially horizontally and in parallel in the horizontal direction, and a wire connector device 10 (see FIG. 12), a connector supplying device 12 for supplying the pressure contact connector 3 to the pressure contact device 11, and a wire group 2 connected to the pressure contact connector 3 to hold the wire by a predetermined length. The configuration including the movable chuck 13 that moves along the passage W is the same as the conventional automatic pressure welding machine.

  The wire guide device 10 has a plurality of wires individually guided and held at a predetermined pitch in the lateral direction at the front end of the elongated main body 14 extending along the wire transfer device passage W. It has a wire guide portion 15 provided with a guide groove (not shown), and a fixed chuck 16 is attached to the rear end portion of the main body 14 with respect to the main body 14 so as to be slightly movable in the wire transfer direction. The whole is disposed so as to be reciprocally movable along the electric wire transfer path by the single-axis robot 17. And the wire guide part 15 comes to reciprocate along the electric wire transfer path W between the vicinity position of the 1st wire converter 31 mentioned later, and the vicinity position of the 2nd wire converter 32. Yes.

  The pressure welding device 11 is arranged between two sets of pressure welding punches 18 and 19 and pressure welding dies 20 and 21 arranged at regular intervals along the wire transfer passage W, and operates independently. An electric wire cutting punch 22 and a cutting die 23 are provided. The first press-contact punch 18, the second press-contact punch 19, and the wire cutting punch 22, and the first press-contact die 20, the second press-contact die 21, and the wire cutting die 23 are respectively located above and below the wire transfer passage W. Are provided opposite to each other.

  On the front and rear sides of the pressure welding device 11, that is, on the electric wire supply side and the electric wire discharge side, the electric wire group 2 supplied in parallel in the horizontal direction is individually guided and supported to be moved and displaced in the horizontal direction. First and second wire conversion devices 31 and 32 are provided to reverse the arrangement order in the horizontal direction. Moreover, in order to hold | maintain the electric wire group 2 by which the arrangement | sequence order of the horizontal direction was replaced in the predetermined pitch in the middle of the 1st wire converter 31 arrange | positioned at the electric wire supply side of the press-contact apparatus 11, and the press-contact apparatus 11. A wire guide plate 33 is arranged to be movable up and down.

  The first wire conversion device 31 and the second wire conversion device 32 have the same configuration, and there are three (odd number) of wire groups 2 shown in FIGS. 4 to 7, and FIGS. The configuration and operation of the group of electric wires 2 shown in FIG.

  Each of the first and second wire conversion devices 31 and 32 has an upper direction conversion finger 34 and a lower direction conversion finger 35 that are disposed facing each other in the vertical direction with the electric wire transfer passage W interposed therebetween. It has a left direction conversion finger 36 and a right direction conversion finger 37 that are arranged opposite to each other on the left and right sides of the transfer passage W. The left direction conversion finger 36 and the right direction conversion finger are provided so as not to interfere with each other by shifting the phase in the electric wire transfer direction with respect to the vertical direction conversion finger 34 and the lower direction conversion finger 35.

  As shown in FIGS. 1 and 2, each conversion finger 34 to 37 is attached to an air cylinder 27 fixed to machine frames 25 and 26 erected on both front and rear sides of the pressure welding device 11, and is moved up and down by the air cylinder. It can be moved left and right. The wire guide plate 33 is also attached to the air cylinder 28 fixed to the machine frame 25 and can be moved up and down by the air cylinder 28.

  As shown in FIG. 4 to FIG. 7, when the electric wire group 2 supplied through the wire guide device 10 is three electric wires 2 a, 2 b, 2 c arranged in parallel in the horizontal direction, the up-down direction conversion finger 34 includes the electric wire 2 c. A guide support groove 38 that is engaged and supported is provided, and the downward conversion finger 35 is provided with a guide support groove 39 that is engaged and supported by the electric wire 2a. As shown in FIG. While being supported and pushed up by the upper direction conversion finger 34, the electric wire 2a is supported and pushed down by the lower direction conversion finger 35, and the three electric wires 2a, 2b and 2c including the central electric wire 2b at the original position are formed. They are arranged in an oblique direction that does not interfere with the left-right direction. On the other hand, the left direction conversion finger 36 is provided with a guide support groove 40 that engages and supports the electric wire 2c pushed up by the upper direction conversion finger 34, and the right direction conversion finger 37 is pushed down by the lower direction conversion finger 35. A guide support groove 41 is provided for engaging and supporting the electric wire 2a. As shown in FIG. 6, the electric wire 2c pushed up by the upward conversion finger 34 is pushed leftward by the left conversion finger 36. The electric wire 2a which is moved and displaced and is pushed down by the downward direction conversion finger 35 is pushed and moved in the right direction by the right direction conversion fin 37, and as a result, the three electric wires 2a, 2b and 2c. The horizontal arrangement order is reversed. When the arrangement order of the three electric wires 2a, 2b, 2c is changed in this way, the wire guide plate 33 descends, and as shown in FIG. 7, the three guide plates 33 provided at a predetermined pitch are moved. The electric wires 2a, 2b, and 2c are individually engaged with the guide groove 42, and the three electric wires 2a, 2b, and 2c in which the horizontal arrangement order is switched are held at an equal pitch. At this time, twisted portions 43 and 44 of the electric wire group 2 are generated outside both the wire conversion devices 31 and 32.

  When the press contact connector 3 is connected by the press contact device 11 to the three electric wires 2a, 2b, and 2c in which the lateral arrangement order is reversed in this way, the press contact connector 3 is in a normal parallel state shown in FIG. Are connected to the pressure contact connector 3 connected to the three electric wires 3a, 3b, and 3c by the pressure contact device 11 in a posture reversed by 180 degrees.

  Accordingly, when the pressure contact connector 3 is connected to the normal wire group 2 in a parallel state where the first and second wire conversion devices 31 and 32 are not operated (FIG. 4), both the wire conversion devices 31 and 32 are operated. By combining the case where the pressure contact connector 3 is connected to the wire group 2 in which the arrangement order in the horizontal direction is reversed (FIGS. 6 and 7), the 1-1 harness and the 1-N harness can be efficiently operated without changing the pressure contact device 11. Can be manufactured well.

  8 to 11 show the first and second wire conversion device devices 31 and 32 when the wire group 2 supplied through the wire guide device 10 is six wires 2a to 2f arranged in parallel in the horizontal direction. A wire guide plate 33 is shown. The basic structure and arrangement of the four conversion fingers 34 to 37 and the wire guide plate 33 are the same as those shown in FIGS. 4 to 7, but the guide support grooves 38 to 38 provided in the conversion fingers 34 to 37 are the same. 41 is different in shape and number, and the number of guide grooves 42 provided in the wire guide plate 33 is also different.

  When the wire group 2 is 6 (even number), the wire group is divided into two groups of 3 pieces on the left and right sides, and the upper direction conversion finger 34 has three wires 2d, 2e, and 2f on the right side. Three guide support grooves 38 that are individually engaged and supported are provided in a stepped manner, and the downward direction conversion finger 35 is individually engaged with the three electric wires 2a, 2b, and 2c that are the left group. Three guide support grooves 39 to be supported are provided in a stepped shape, and as shown in FIG. 9, the three right wires 2d, 2e, 2f are individually provided in the guide support grooves 38 by the upward direction conversion fingers 34. The three electric wires 2a, 2b, 2c on the left side are pushed up while being engaged and supported in the guide support grooves 39 by the downward direction conversion fingers 35, and are pushed up by the six wires 2a-2f. In the diagonal direction that does not interfere with the horizontal direction It is the column. On the other hand, the left direction conversion finger 36 is provided with three guide support grooves 40 that are individually engaged with and supported by the three electric wires 2d, 2e, and 2f pushed up by the upward direction conversion finger 34 in a step shape. The right direction conversion finger 37 is provided with three guide support grooves 41 that individually engage and support the three electric wires 2a, 2b, and 2c pushed down by the lower direction conversion finger 35, as shown in FIG. As shown, the three electric wires 2d, 2e, 2f pushed up by the upward direction conversion finger 34 are pushed leftward by the left direction conversion finger 36 and moved and displaced, and are pushed down by the downward direction conversion finger 35. The three electric wires 2a, 2b, and 2c are pushed and moved in the right direction by the right direction conversion finger 37, and as a result, the six electric wires 2a to 2f are moved. Arrangement order in the lateral direction is replaced with the opposite. When the arrangement order of the six electric wires 2a to 2f is changed in this way, the wire guide plate 33 descends, and as shown in FIG. 11, six guide grooves provided on the guide plate 33 at a predetermined pitch. Each of the electric wires 2a to 2f is individually engaged with 42, and the six electric wires 2a to 2f whose arrangement order in the horizontal direction is switched are held at an equal pitch.

  When the press contact connector 3 is connected by the press contact device 11 to the six electric wires 2a to 2f whose lateral arrangement order is reversed in this way, the press contact connector 3 is in a normal parallel state shown in FIG. It is the same as in the case described with reference to FIGS. 4 to 7 that the six wires 2a to 2f are connected to the pressure contact connector 3 connected by the pressure contact device 11 in a posture reversed 180 degrees. Moreover, it is the same that the torsion parts 43 and 44 of the electric wire group 2 generate | occur | produce on the outer side of both the wire converters 31 and 32. FIG.

  Next, the processing of the wire harness manufactured by the automatic pressure welding machine of the present invention having the above-described configuration will be described with reference to the process diagrams shown in FIG.

  12 to 24 show processing steps for manufacturing a daisy chain type wire harness in which a plurality of press-connecting connectors 3 are connected to the electric wire group 2 in the same direction without operating the first and second wire conversion devices 31 and 32. Is shown.

  FIG. 12 shows a start position, and a press-connecting connector 3 that is press-connected at the end of the previous cycle is connected to the tip of the wire group 2 supplied via the wire guide device 10. In this state, as shown in FIG. 13, the wire guide device 10 moves forward, and the movable chuck 13 clamps the front end portion of the wire group 2 to which the pressure contact connector 3 is connected. Subsequently, the fixed chuck 16 is opened, and the movable chuck 13 moves in the direction indicated by the arrow in FIG. 14 to pull out the wire group 2 and start length measurement. On the other hand, the wire guide device 10 moves backward and returns to the start position, and the press contact connector 3 is supplied to the press contact die 20. When the length measurement of the electric wire group 2 by the movable chuck 13 is completed, as shown in FIG. 15, the fixing chuck 16 is closed and the electric wire group 2 is fixed and held, and then the press contact punch 18 of the press contact device 11 and the press contact die 19 approach each other. The pressure connector 3 is press-connected to the electric wire group 2. When the press contact connection is completed, the press punch 18 and the press die 19 are separated from each other, and the first press work is completed (FIG. 16).

  Next, as shown in FIG. 17, the fixed chuck 16 is opened, and the movable chuck 13 pulls out the electric wire group 2 and starts the second length measurement. At the same time, the pressure contact connector 3 is supplied to the pressure contact die 20. Then, a second press-contact operation is performed as shown in FIG. 18, and after the press-connect connector 3 is press-connected to the wire group 2 in the same manner as described above, the press punch 18 and the press die 20 are separated as shown in FIG. Thus, the second press-contact operation is completed.

  Subsequently, as shown in FIG. 20, the fixed chuck 16 is opened, and the movable chuck 13 pulls out the electric wire group 2 and starts the third (final) length measurement. At the same time, the terminal pressure connector 3 is supplied to the pressure die 21 and the pressure connector 3 at the head of the next wire harness is supplied to the pressure die 20. Further, the fixed chuck 16 itself moves forward. When the length measurement by the movable chuck 13 is completed, the fixed chuck 16 is closed and the wire group 2 is cut by the wire cutting punch 22 and the cutting die 23 as shown in FIG. When the electric wire group 2 is cut, as shown in FIG. 22, the fixed chuck 16 moves backward to move the cut end 45 to the press contact position of the press punch 18, and the movable chuck 13 slightly moves in the direction of the arrow. The cutting end 46 is moved to the press contact position of the press punch 19 by moving. In this state, the press-connecting connector 3 is press-connected to the cutting end 45 by the press-contact punch 18 and the press-contacting die 20, and at the same time, the press-connecting connector 3 is press-connected to the cutting end 46 by the press punch 19 and the press-contacting die 21. (FIG. 23). Next, as shown in FIG. 24, when the pressing punch 18 and the pressing die 21 and the pressing punch 19 and the pressing die 21 are separated and the pressing work is completed, the four pressing connectors 3 on the movable chuck 13 side have a predetermined length. A daisy chain type wire harness 50 connected to the electric wire group 2 in the same direction at a predetermined interval is completed. The wire harness 50 processed in this way is pulled out from the pressure welding device 11 by the movable chuck 13 and is conveyed to a subsequent process by another mechanism (not shown).

  25 to 35, the first and second wire conversion devices 31 and 32 are operated to connect the second pressure contact connector 3 in the reverse direction (reverse connection), and the first, third, and terminal pressure contacts. The connector 3 shows an additional process for manufacturing a mixed type wire harness connected in the same normal direction (forward rotation connection).

  The process of drawing out the wire group 2 to which the first press contact connector 3 is connected at the end of the previous cycle and starting the length measurement is the same as the machining process shown in FIGS. When the length measurement starts, as shown in FIG. 25, the wire guide portion 15 at the front end of the wire guide device 10 is retracted to the outside of the first wire conversion device 31. On the other hand, the second press contact connector 3 is supplied to the press contact die 20. In order to simplify the description, the wire group 2 is described as a configuration in which three wires 2a, 2b, and 2c are arranged in parallel in the lateral direction (see FIGS. 4 to 7), as shown in FIG. 25 (b). To do.

  When the length measurement of the electric wire group 2 is completed, as shown in FIG. 26, the first and second wire conversion devices 31 and 32 are operated, and the horizontal arrangement order of the three electric wires 2a, 2b, and 2c is changed. At the same time, the three electric wires 2a, 2b, 2c replaced by the wire guide plate 33 are held at an equal pitch. At this time, twisted portions 43 and 44 are generated outside the wire conversion devices 31 and 32. Next, as shown in FIG. 27, after the first and second wire conversion devices 31 and 32 are returned to the original state, the fixing chuck 16 is closed and the electric wire group 2 is fixed and held, and then the pressing punch 18 and the pressing die 20 are used. The pressure contact connector 3 is connected to the three replaced wires 2a, 2b, and 2c. At this time, the wire guide plate 33 is in the lowered state and holds the three electric wires 2a, 2b, 2c at an equal pitch. Subsequently, the press punch 18 and the press die 19 are separated from each other, and the wire guide plate 33 is lifted to complete the first press work (FIG. 28).

  Next, as shown in FIG. 29, the fixed chuck 16 is opened, and the movable chuck 13 pulls out the electric wire group 2 and starts the second length measurement. At the same time, the pressure contact connector 3 is supplied to the pressure contact die 20. After the end of the length measurement, as shown in FIG. 30, the wire guide device 10 moves forward, the wire guide portion 15 at the front end moves forward to a position near the second wire conversion device 32, and the twisted portion 43 of the wire group 2 is moved. After moving and displacing to the outside of the pressure welding device 11, the second wire conversion device 32 is operated to hold the wire group 2 on the pressure welding device 11 side at an equal pitch in the original parallel state (see FIG. 30B). ). Then, the wire guide portion 15 at the front end of the wire guide device 10 moves back to the original position while holding the electric wire group 2, that is, the three electric wires 2a, 2b, and 2c at the same pitch in the original parallel state (FIG. 31). . Subsequently, as shown in FIG. 32, the fixing chuck 16 is closed and the electric wire group 2 is fixed and held, and after the second wire conversion device 32 is returned to the original state, the press-connecting connector 3 is connected by the press-contact punch 18 and the press-contact die 20. Press-connect to the wire group 2. Then, the press-contact punch 18 and the press-contact die 20 are separated from each other, and the second press-contact operation is completed (FIG. 33).

  Next, as shown in FIG. 34, the fixed chuck 16 opens, and the movable chuck 13 pulls out the electric wire group 2 and starts the third (final) length measurement. At the same time, the terminal pressure connector 3 is supplied to the pressure die 21 and the pressure connector 3 at the head of the next wire harness is supplied to the pressure die 20. Further, the fixed chuck 16 itself moves forward. When the length measurement by the movable chuck 13 is completed, the electric wire group 2 is cut at an intermediate position between the press punch 18 and the press die 19 as in the steps shown in FIGS. At the same time as the pressure contact connector 3 of the die 20 is pressure contacted, the pressure contact connector 3 of the pressure contact die 21 is pressure contact connected to the other cutting end, and the four pressure contact connectors 3 on the movable chuck 13 side are spaced apart from the wire group 2 by a predetermined distance. A daisy chain-type wire harness connected at a distance is completed.

  FIG. 35 shows the wire harness 51 manufactured in this way. The second press-connecting connector 3 is connected to the electric wire group 2 in the reverse direction (reverse connection), and the remaining three press-connecting connectors 3 are the same. It is a daisy chain type wire harness connected in the direction (forward rotation connection).

  36 to 40, the first and second wire conversion devices 31 and 32 are operated to connect the second and third press contact connectors 3 in the opposite directions (reverse connection), and the first and fourth ( The terminal contact pressure connector 3 shows a processing step for manufacturing a mixed type wire harness connected in the same normal direction (forward rotation connection).

  The processing steps for connecting the second press-connecting connector 3 in the reverse direction (reverse connection) are the same as the steps shown in FIGS.

  FIG. 36 shows a state in which the second press contact connector 3 is connected to the electric wire group 2 in the reverse direction (reverse connection), the press contact punch 18 and the press contact die 20 are separated, and the first press operation is completed. . At this time, the wire guide plate 33 is lowered to hold the three electric wires 2a, 2b, and 2c in which the arrangement order in the horizontal direction is changed at an equal pitch. In this state, as shown in FIG. 37, the fixed chuck 16 is opened, the movable chuck 13 pulls out the electric wire group 2 and starts measuring, and the press contact connector 3 is supplied to the press contact die 20. The three wires 2a, 2b, 2c of the drawn wire group 2 are introduced into the pressure welding apparatus 11 in a parallel state in which the arrangement order in the horizontal direction is changed by the wire guide plate 33 (see FIG. 37B). When the length measurement of the electric wire group 2 is completed, the fixing chuck 16 is closed and the electric wire group 2 is fixed and held, and then the press contact connector 3 is connected to the three electric wires 2a, 2b and 2c by the press contact punch 18 and the press contact die 20. Similarly to the second press-connecting connector 3, the press-connecting connector 3 is connected to the wire group 2 in the opposite direction (reversed connection) (FIG. 38). Subsequently, as shown in FIG. 39, the press punch 18 and the press die 20 are separated from each other, the wire guide plate 33 is raised, and the second press work is completed.

  The pressure contact work process of the fourth (terminal) pressure contact connector 3 is the same as the process shown in FIG. 28 to FIG. 34 and FIG. 21 to FIG.

  FIG. 40 shows the wire harness 52 manufactured in this way, and the second and third press-connecting connectors 3 are connected in reverse directions (reverse connection) to the electric wire group 2 and are first and fourth. The (terminal) pressure contact connector 3 is a daisy chain type wire harness in which normal rotation and reverse rotation are connected in the same normal direction (normal rotation connection).

  In the above-described embodiment, an example of processing a daisy chain type wire harness has been described. However, the automatic pressure welding machine according to the present invention includes a pressure welding connector 3 connected in the same direction to both ends of a wire group 2 having a predetermined length. It is also possible to manufacture a -N harness or a 1-1 harness connected in the reverse direction inverted by 180 °.

It is a front view which shows the outline of the automatic pressure welding machine principal part which concerns on this invention. It is a schematic plan view same as the above. It is a schematic side view same as the above. It is the top view (a) and front view (b) which show the arrangement configuration of the principal part of a wire converter. It is the top view (a) and front view (b) which show the operation | movement process of a wire conversion apparatus principal part same as the above. It is the top view (a) and front view (b) which show the operation | movement process of a wire conversion apparatus principal part same as the above. It is a front view which shows the operation | movement process of a wire guide plate same as the above. It is the top view (a) and front view (b) which show the arrangement configuration by another embodiment of the principal part of a wire converter. It is the top view (a) and front view (b) which show the operation | movement process of a wire conversion apparatus principal part same as the above. It is the top view (a) and front view (b) which show the operation | movement process of a wire conversion apparatus principal part same as the above. It is a front view which shows the operation | movement process of a wire guide plate same as the above. It is explanatory drawing which shows the start position of the manufacturing process which manufactures the wire harness which connected the several press-contact connector to the electric wire group in the same direction (forward connection) by the automatic press-contacting machine of this invention. It is explanatory drawing of an intermediate process same as the above. It is explanatory drawing of an intermediate process same as the above. It is explanatory drawing of an intermediate process same as the above. It is explanatory drawing of an intermediate process same as the above. It is explanatory drawing of an intermediate process same as the above. It is explanatory drawing of an intermediate process same as the above. It is explanatory drawing of an intermediate process same as the above. It is explanatory drawing of an intermediate process same as the above. It is explanatory drawing of an intermediate process same as the above. It is explanatory drawing of an intermediate process same as the above. It is explanatory drawing of an intermediate process same as the above. It is explanatory drawing which shows the last position of a process process same as the above. It is explanatory drawing which shows the starting position of the manufacturing process which manufactures the wire harness in which the normal rotation connection and the reverse connection were mixed by the automatic pressure welding machine of this invention. It is explanatory drawing of an intermediate process same as the above. It is explanatory drawing of an intermediate process same as the above. It is explanatory drawing of an intermediate process same as the above. It is explanatory drawing of an intermediate process same as the above. It is explanatory drawing of an intermediate process same as the above. It is explanatory drawing of an intermediate process same as the above. It is explanatory drawing of an intermediate process same as the above. It is explanatory drawing of an intermediate process same as the above. It is explanatory drawing which shows the final process preparation state of a manufacturing process same as the above. It is a schematic plan view of the wire harness manufactured by the manufacturing process same as the above. It is explanatory drawing which shows the starting position of the manufacturing process which manufactures another wire harness in which the normal rotation connection and the reverse connection were mixed by the automatic pressure welding machine of this invention. It is explanatory drawing of an intermediate process same as the above. It is explanatory drawing of an intermediate process same as the above. It is explanatory drawing which shows the final process preparation state of a manufacturing process same as the above. It is a schematic plan view of the wire harness manufactured by the manufacturing process same as the above.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Wire stand 2 Wire group 2a-2f Electric wire 3 Pressure contact connector 10 Wire guide apparatus 11 Pressure contact apparatus 12 Connector supply apparatus 13 Movable chuck 14 Main body 15 Wire guide part 16 Fixed chuck 17 Single axis robot 18, 19 Pressure contact punch 20, 21 Pressure contact die 22, 23 Electric wire cutting punch and cutting die 31 1st wire conversion device 32 2nd wire conversion device 33 Wire guide plate 34 Up direction conversion finger 35 Down direction conversion finger 36 Left direction conversion finger 37 Right direction conversion finger 38, 39 , 40, 41 Guide support groove 42 Guide groove 43, 44 Twist part 45, 46 Cutting end 50, 51, 52 Wire harness

Claims (7)

A wire guide device for guiding and feeding a group of continuously supplied wires along a wire transfer passage extending substantially horizontally and in parallel in a lateral direction;
A pressure welding device having pressure welding punches and pressure welding dies provided vertically relative to the electric wire transfer passage;
A connector supply device for supplying a pressure contact connector to the pressure contact die;
An automatic pressure welding machine comprising a movable chuck that sandwiches a group of wires connected to a pressure welding connector and transfers the wire group along the wire transfer path by a predetermined length,
Four conversion fingers are arranged on both the front and rear sides of the pressure welding device so as to face the upper and lower sides and the left and right sides of the wire transfer passage, and individually guide and support a group of wires supplied in parallel in the horizontal direction. By moving and displacing in the direction, the first and second wire conversion devices that reverse the arrangement order of the horizontal direction of the electric wire group in reverse,
The wire guide device includes a position in the vicinity of the first wire conversion device disposed on the wire supply side of the pressure welding device, and a position of the second wire conversion device disposed on the wire discharge side of the pressure welding device. An automatic pressure welding machine provided so as to be capable of reciprocating along a wire transfer passage between adjacent positions.   The wire guide device has at its front end a wire guide portion provided with a plurality of guide grooves for individually guiding and holding a group of electric wires supplied in parallel in the horizontal direction at a predetermined pitch in the horizontal direction, By moving the wire guide part along the electric wire transfer path from the vicinity of the first wire conversion device to the vicinity of the second wire conversion device, the first and second wire conversion devices The automatic pressure welding machine according to claim 1, wherein a torsional part of the wire group generated when the arrangement order in the horizontal direction of the wire group is reversed is moved and displaced to the outside of the pressure welding device. The first and second wire conversion devices are:
Dividing the group of wires parallel in the horizontal direction into two groups, left and right, an upward conversion finger that individually pushes up one group of wires, and a downward conversion finger that individually pushes down the other group of wires ,
The upper direction conversion finger and the lower direction conversion finger are arranged out of phase in the wire transfer direction, and the electric wire pushed up and down by the upper direction conversion finger and the lower direction conversion finger is pushed in the left direction and the right direction. And having a left direction conversion finger and a right direction conversion finger for switching the arrangement order in the horizontal direction,
A wire guide plate is disposed between the first wire converting device and the pressure welding device so as to be movable up and down,
The four guide fingers of the upper, lower, left, and right sides are configured to hold the pitch of the wire group by the wire guide plate after reversely changing the arrangement order of the wire group in the front and rear sides of the pressure welding device. The automatic pressure welding machine according to claim 1 or 2. The upper direction conversion finger and the lower direction conversion finger are provided with guide support grooves for engaging and supporting the electric wires individually in a step shape, and the oblique direction in which the pushed and pushed electric wires do not interfere in the left and right direction Arranged in
The left direction conversion finger and the right direction conversion finger are provided with guide support grooves that individually engage and support the electric wires arranged in the oblique direction in a step shape, and the electric wires are arranged in the left direction and the right direction. The automatic arrangement according to claim 3, wherein when the wire group is pushed in the direction, the arrangement order in the lateral direction of the wire group is reversed, and the pitch of the replaced wire group is held by the wire guide plate. Pressure welding machine.   5. The automatic pressure welding machine according to claim 3, wherein when the number of electric wire groups arranged in parallel in the horizontal direction is an odd number, the central one is left and the left and right electric wire groups are made into two groups.   The automatic pressure welding machine according to claim 3 or 4, wherein when there are an even number of wires in parallel in the horizontal direction, the wires are divided into two equal groups.   The press-contacting device includes two sets of press-contact punches and press-contact dies that are spaced apart from each other along the wire transfer passage, and an electrical wire-cutting punch and a cutting die that are disposed between the two and operate independently. An automatic pressure welding machine according to any one of claims 1 to 6.

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