JP2979946B2 - Free flow conveyor equipment for automatic closed terminal processing machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic closed terminal processing machine in which a plurality of stripped electric wires are twisted together and a closed terminal is inserted and crimped and fixed. The present invention relates to a free-flow conveyor device that conveys a product to a front position.

[0002]

2. Description of the Related Art As described above, this type of automatic closed terminal processing machine is for crimping and fixing a closed terminal to an electric wire whose core wire is twisted together. Working machines such as a machine and a terminal crimping machine are sequentially arranged.

[0003] In addition, a transfer means such as a chain coveyer having a plurality of wire gripping means such as clamps fixedly installed is installed on the front surface of these work machines so that the wires can be sequentially transferred to each work position. It has become.

[0004]

As described above, if the electric wire gripping means is fixedly installed on a chain conveyor or the like, it is necessary to make the installation intervals of the electric wire gripping means and each work machine necessarily equal. There is a problem that the interval must be adjusted to the maximum width of the working machine, and the size of the entire automatic closed terminal processing machine is increased.

[0005] Further, if a trouble occurs in a part of each work machine, there arises a problem that the entire conveyer stops, and the work of a normal work machine is interrupted.

An object of the present invention is to improve the transfer mechanism of the electric wire gripping means so that the work machines can be rationally arranged to reduce the size of the entire automatic closed terminal processing machine. is there.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a supply mechanism for electric wire gripping means, and sequentially transports the electric wire gripping means supplied by the supply mechanism on the front side of each work position. A conveyor body to be stopped, stopping means for stopping the wire gripping means at the front of each work position on the continuously driven conveyor body, and a discharge mechanism of wire gripping means for taking out the wire gripping means after completion of all work. The present invention provides a free flow conveyor device for an automatic closed terminal processing machine provided with:

It is preferable to provide fixing means for lifting and fixing the stopped electric wire gripping means from the conveyor body in front of the work position, since the positioning can be surely performed.

[0009]

In the free-flow conveyor device configured as described above, when the wire gripping means sent out by the supply mechanism is placed on the continuously driven conveyor body,
The electric wire gripping means moves sequentially in front of each work position. When the wire gripping means comes to the front of each work position, the wire gripping means stops on the conveyor body driven by the stopping means, and moves again after each work is performed. When all the operations are completed in this way, the wire gripping means is taken out of the conveyor body by the discharging means.

Further, in the apparatus provided with the fixing means, the electric wire gripping means is reliably positioned at each work position.

[0011]

Embodiments will be described below with reference to the drawings. As shown in FIG. 6, the automatic closed terminal processing machine 1 includes a wire feeding positioning member 2, an electric wire twister 3, a closed terminal feeder 4, a terminal crimping machine 5, a crimping inspection machine 6, and a closed terminal crimped wire discharging machine. 7 are sequentially arranged, and the wire chuck pallet 8 holding the front surface of the wire is used for the free flow conveyor 1.
0, the wire is conveyed from the wire supply positioning member 2 to the closed terminal crimped wire discharging machine 7, and each operation is performed on the wire at each position.

When the wire chuck pallet 8 grips the wire, the wire feed positioning member 2 is for keeping the length of the wire constant, and has a contact plate for contacting the tip of the wire. .

The wire twister 3 twists the cored portions of the plurality of wires gripped by the wire check pallet 8 and connects them together.

The closed terminal feeder 4 inserts closed terminals into the core portions of a plurality of electric wires twisted by the electric wire twister 3, and outputs a number of closed terminals one by one. A closed terminal transport device 4b for sucking and transporting the closed terminals supplied from the closed terminal sending device 4a one by one, and a core wire of the electric wire by gripping the closed terminals transported by the closed terminal transport device 4b. And a closed terminal insertion device 4c to be inserted into the portion.

The terminal crimping machine 5 comprises:
By crimping the closed terminal inserted into the core portion of the electric wire, the terminal is crimped to the core portion, and has a caulking device and a driving means therefor.

The crimping inspection machine 6 detects the presence or absence of a terminal and the protruding part of the stripped core wire from the closed terminal. The connection failure is detected by sandwiching the vicinity of the connection.

The closed terminal crimping wire discharger 7 includes a guide rod 7a that extends obliquely from the rear of the wire discharge position of the wire chuck pallet 8 to the product stocker 9 through the upper portion of the chuck pallet 8 and a guide rod 7a. And a chuck member 7b that moves back and forth along 7a. The chuck member 7b grips the wire behind the guide rod 7a or moves to the front end of the guide rod 7a. 9 is designed to store electric wires.

As shown in FIG. 1, the free-flow conveyor 10 includes the wire-feeding positioning member 2, an electric wire twister 3, a closed terminal feeder 4, a terminal crimping machine 5, and a crimping inspection machine 6.
And a conveyor body 11 installed on the front side of the closed terminal crimping wire discharging machine 7 for carrying the wire chuck pallet 8 and transporting the wire chuck from the wire supply positioning member 2 to the closed terminal crimping wire discharging machine 7; Stopping means 20 for stopping the wire chuck pallet 8 on the free flow conveyor 10 which is driven when the pallets 8 come to their respective working positions, and lifting and fixing the stopped wire chuck pallet 8 from above the conveyor body 11 And fixing means 30 which performs the fixing.

As shown in FIGS. 1 and 2, the conveyor main body 11 has two chains 13 wound around gears 12 disposed at both ends of a main body frame 15 in parallel. Some guide rails 14 in the middle so as not to hang between the gears 12.
Is provided.

The stopping means 20 includes a stopper cylinder 2
By projecting one piston rod 22 between two parallel chains 13 of the conveyor body 11, the wire chuck pallet 8 is brought into contact with the piston rod 22 and stopped at that position. It is arranged before and after the wire feed positioning member 2, wire twister 3, closed terminal feeder 4, terminal crimping machine 5, crimping inspection machine 6, and closed terminal crimped wire discharging machine 7, respectively. As described above, the stopping means 20 stops the electric wire chuck pallet 8 and then receives the work end signal from each work machine to retreat the piston rod 22 to release the stopped state. ing.

As shown in FIGS. 3 to 5, the fixing means 30 includes a lifter 3 which is moved up and down by a cylinder 31.
2, and a pressing member 33 for pressing and fixing the base member 8a of the wire chuck pallet 8 by the lifter 32.

The lifters 32 are installed at the both ends of the wire rod positioning member 2, wire twister 3, closed terminal feeder 4, terminal crimping machine 5, crimping inspection machine 6, closed terminal crimped wire discharging machine 7, and both ends. Are provided outside the chain 13 in correspondence with the supply mechanism 41 of the wire chuck pallet 8 and the discharge mechanism 42 of the wire chuck pallet 8, respectively.
The pressing member 33 is supported by the main body frame 15 corresponding to the lifter 32.

The lifter 32 is mounted on a support plate 31b fixed to a piston rod 31a of the cylinder 31. In order to smoothly move the support plate 31b up and down, the lifter 32 has a body attached to the support plate 31b. A guide pin 31d which is slidably inserted into a guide cylinder 31c attached to the frame 15 is attached.

After fixing the wire chuck pallet 8 as described above, the lifter 32 is lowered by receiving a work end signal from each work machine, and releases the fixed state. .

The supply mechanism 41 is provided on the conveyor body 1.
1, a pull-out mechanism for the wire chuck pallet 8 provided at the end on the side of the wire material supply positioning member 2 and pulling out the wire chuck pallet 8 placed on the downward chain 13 to the side of the conveyor body 11; An elevating mechanism for lifting the wire chuck pallet 8 pulled out from the pulling mechanism to an upper chain position;
And a delivery mechanism for the wire chuck pallet 8 to be delivered upward.

The discharge mechanism 42 is connected to the conveyor body 1.
A pull-out mechanism for the wire chuck pallet 8 which is provided at the end of the closed terminal crimped wire discharging machine 7 side and pulls out the wire chuck pallet 8 placed on the upward chain 13 to the side of the conveyor body 11; An elevating mechanism for lowering the wire chuck pallet 8 pulled out from the pulling mechanism to a lower chain position, and sending out the wire chuck pallet 8 for sending out the wire chuck pallet 8 lowered by the elevating mechanism onto the lower chain 13. And a mechanism.

In the free flow conveyor 10 configured as described above, the chain is continuously driven to rotate in the clockwise direction in FIG. 1 during operation. When the chuck pallet 8 is placed on the chain 13 on the upper side of the conveyor body 11, the chuck pallet 8 moves on the front side from the wire supply positioning member 2 to the closed terminal crimping wire discharger 7.

When the wire chuck pallet 8 comes to the front position of the wire supply positioning member 2, FIG.
As shown in (2), the wire chuck pallet 8 is stopped at that position by the stopping means 20, which is already in a standby state with the piston rod 22 extended. Subsequently, as shown in FIG. 4, when the lifter 32 is lifted to lift the wire chuck pallet 8 from above the chain 13, the base member 8a of the wire chuck pallet 8 is brought into contact with the pressing member 33 as shown in FIG. Since the wire is sandwiched and fixed at that position, the wire is positioned by the wire-feeding positioning member 2 and held by the wire chuck pallet 8.

Thereafter, the lifter 32 descends, and subsequently, the piston rod 22 of the stopping means 20 retreats, so that the wire chuck pallet 8 is again conveyed by the conveyor body 11 to the wire twisting machine 3. Then, the same operation is repeated at each work position.

When the inspection of the crimping failure by the crimping inspection machine 6 is completed, the closed terminal crimped wire discharging device 7 discharges the closed terminal crimped wire to the product stocker 9, and then the wire chuck pallet 8 is sent to the discharging position. Lifter 3
The wire chuck pallet 8 is discharged from the conveyor main body 11 by the pulling mechanism of the discharging mechanism 42 in a state where the wire chuck pallet 8 is lifted by the pulling mechanism 2.

The discharged electric wire chuck pallet 8 descends on the side of the conveyor body 11 by the elevating mechanism of the discharging mechanism 42, is re-mounted on the lower chain 13 by the sending mechanism, and is supplied to the supply side of the electric wire chuck pallet 8. Conveyed. Then, the wire chuck pallet 8 is drawn out by the pulling-out mechanism of the supply mechanism 41, rises again beside the conveyor body 11 by the elevating mechanism, and stands by as the wire chuck pallet 8 for supply.

[0032]

As described above, the free-flow conveyor device of the present invention conveys the electric wire gripping means by placing the electric wire gripping means on the conveyor body and forcibly moves the electric wire gripping means on the conveyor body driven by the stopping means. As described above, there is no need to arrange a plurality of electric wire gripping means and each work machine at equal intervals as in the related art, and a rational arrangement is possible, thereby reducing the size of the entire automatic closed terminal processing machine. be able to.

In the case where the fixing means is provided,
Since the positioning can be performed reliably in the stopped state, each work process can be performed smoothly.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing a first embodiment according to the present invention.

FIG. 2 is a plan view showing details of the above.

FIG. 3 is an operation diagram showing a stopping operation of the electric wire chuck pallet according to the first embodiment.

FIG. 4 is an operation diagram showing a stopping operation of the electric wire chuck pallet according to the first embodiment.

FIG. 5 is an operation diagram showing a stopping operation of the electric wire chuck pallet.

FIG. 6 is a schematic view showing the entirety of an automatic closed terminal processing machine.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Automatic closed terminal processing machine 2 Wire rod supply positioning member 3 Electric wire twisting machine 4 Closed terminal supply machine 5 Terminal crimping machine 6 Crimp inspection machine 7 Closed terminal crimped wire discharging machine 8 Wire chuck pallet 9 Product stocker 10 Free flow conveyor 11 Conveyor body DESCRIPTION OF SYMBOLS 12 Gear 13 Chain 14 Guide rail 15 Body frame 20 Stop means 21 Stopper cylinder 22 Piston rod 30 Fixing means 31 Cylinder 32 Lifter 33 Pressing member

────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-7-170626 (JP, A) JP-A-7-161447 (JP, A) JP-A-7-161446 (JP, A) JP-A-7-170 161445 (JP, A) JP-A-7-161444 (JP, A) JP-A 7-117841 (JP, A) JP-A 64-63285 (JP, A) JP-A 64-35886 (JP, A) (58) Field surveyed (Int.Cl. ⁶ , DB name) B65G 47/88 H01R 43/00-43/01 H01R 43/04-43/058

Claims (2)

(57) [Claims] 1. A feeding mechanism for an electric wire gripping means, a conveyor body for carrying the electric wire gripping means supplied by the feeding mechanism and sequentially transporting the front side of each work position, and a conveyor body which is continuously driven. A free-flow conveyor device for an automatic closed terminal processing machine, comprising: a stopping means for stopping the electric wire gripping means at the front of each of the work positions; 2. The free-flow conveyor apparatus of an automatic closing terminal processing machine according to claim 1, further comprising fixing means for lifting the electric wire gripping means, which is stopped in front of the work position, from above the conveyor body and fixing the electric wire gripping means.