JPH10247577A - Terminal crimp device terminal conveying method, terminal cutting method, and cramp positioning method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and speedily replace steps of a crimping device depending on a kind of terminal. SOLUTION: A terminal crimp device consists of a terminal guide 30 guiding a chain terminal 2, a driving means 34 which moves the terminal guide integratedly with the chain terminal in the terminal feeding direction, a terminal feeder 5 which has a terminal cutting lever 31 which is integratedly installed on the front end of the terminal guide, a conveyer 4 which expands orthogonally to the terminal feeding direction, cramps 6 which are arranged removably on the conveyer, are positioned on the progressive end side of the terminal guide, and hold a chain band of a terminal, cramp opening/closing means 60, 61 on the conveyer, terminal-cutting-lever driving means 57, 58, a crimping device is on the progressive end side of the conveyer 4, and a transferring means which carries a cramp between the conveyer and the crimping device. Plural terminal feeders 5 are arranged in parallel corresponding to plural kinds of chain terminals 2, and plural kinds of applicators are arranged on the crimping device in parallel such that they can freely move horizontally.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention uses a terminal crimping apparatus which cuts terminals one by one and supplies them to a clamp on a conveyor, and conveys the terminals to a crimping machine by a conveyor and a transfer means. The present invention relates to a terminal conveying method, a terminal cutting method, and a clamp positioning method.

[0002]

2. Description of the Related Art FIG. 16 shows a conventional terminal crimping device described in Japanese Patent Application Laid-Open No. 6-36854. This device 105 sends out the electric wire 106 with a measuring roller 107, makes a U-turn with a reversing mechanism 108, cuts it with a cutter 109, peels off the coating of the wire end with a peeling machine 110, and attaches a terminal to the wire end with a crimping machine 111. It is to be connected by crimping. The electric wire 112 is laterally moved on the support base 114 while being gripped by the clip 113 on the belt.

A plurality of crimping machines 111 are arranged in parallel in accordance with the type of the electric wire 106, and each crimping machine 111 can be detached from the device 105 together with the carriage 115. As shown in FIG. 17, the crimping machine 11 is mounted on a rail 116 on a carriage 115.
The one wheel 117 is engaged, and the horizontal cylinder 118 on the support base 114 draws the crimping machine 111 along the rail 116 toward the apparatus side and abuts against the stopper 119 to fix it.

[0004] Terminals 120 are supplied to the crimping machine 111 in the form of a vertical chain.
At the same time, the chain 122 is cut. Terminal 1
At the time of switching the product number of 20, the applicator 121 is detached and replaced from the crimping machine 111 detached in advance outside the apparatus, and the entire carriage 115 is set in the apparatus 105. Thereby, the time for stopping the device 105 is reduced.

[0005] However, in the above-mentioned conventional structure, there is a problem that a switching preparation worker is required separately from a device-dedicated worker, thereby increasing the production cost.

FIG. 18 shows a terminal crimping device described in Japanese Utility Model Laid-Open Publication No. Sho 61-18592. This device 125 is a terminal conveying means for cutting the terminals 129 one by one by a cutter 128 of a cutting machine 127 from a chained terminal 126 wound in a reel shape, and sending the terminals 129 to a crimping machine 134 by chutes 130 and 132 and a conveying belt 133. The crimping machine 134 is used to crimp the electric wire 135 to the terminal 129.

However, in this device 125, it takes time to exchange the applicator of the crimping machine 134 according to the type of the terminal 129, and the terminal 129 cannot be accurately positioned in the cutting machine 127 or the crimping machine 134. There was a concern.

[0008]

SUMMARY OF THE INVENTION The present invention has been made in consideration of the above-described problems of the above-described devices, and has been made capable of efficiently transporting terminals to a crimping machine with high positioning accuracy. Another object of the present invention is to provide a terminal crimping apparatus and a method using the terminal crimping apparatus, which can quickly change over the applicator.

[0009]

In order to achieve the above-mentioned object, the present invention provides a terminal guide for guiding a chain terminal, a driving means for moving the terminal guide integrally with the chain terminal in a terminal supply direction, A terminal supply unit having a terminal cutting lever integrally provided at a front end of the terminal guide, a conveyor extending in a direction perpendicular to the terminal supply direction, and a plurality of the terminal guides removably arranged on the conveyor; A clamp for holding a chain of terminals, a clamp opening / closing means and a terminal cutting lever driving means located on the conveyor, and a crimping machine located on the forward end side of the conveyor.
The present invention is based on a terminal crimping device (claim 1) including a transfer means for transferring the clamp between the conveyor and the crimping machine. A terminal crimping device in which a plurality of the terminal supply units are arranged in parallel corresponding to a plurality of types of the chain terminals, and a plurality of types of applicators are arranged in the crimping machine in a horizontally movable manner. ) Is also valid. Further, the terminal cutting lever and the clamp are both urged in the opening direction by a spring member, and the clamp opening / closing means and the terminal cutting lever driving means are constituted by each elevating cylinder and a pressing portion connected to each elevating cylinder. A terminal crimping device, wherein the terminal cutting lever has a terminal holding groove and a cutter portion for cutting a chain band, and the terminal guide has a contact guide wall for the chain band; A terminal crimping device having a cutting step facing the cutter section (Claim 4), and the cutter section and the cutting step are formed obliquely so as to diagonally cut the chain band. The terminal crimping device (Claim 5), a positioning protrusion is provided at a front end of the terminal guide, and the clamp is provided with a horizontal groove and a vertical V-shaped groove with respect to the protrusion. Lifting cylinder as opening / closing means A terminal crimping device in which a positioning pin is connected to the V-shaped groove (Claim 6) and a terminal crimping device in which the terminal guide is provided with a retractable terminal feed claw (Claim 7) are also effective. is there. The terminal crimping device (Claim 8) in which the clamp has a slide engagement portion with respect to a clamp table on the conveyor and an applicator of the crimping machine and a ball plunger for fixing, and the transfer means, A terminal crimping device (Claim 9) comprising a chuck hand for the clamp, a shaft on which the chuck hand is arranged, and a driving means for moving the shaft forward and backward, and an applicator of the crimping machine are provided with electric contact of terminals. A terminal crimping device having a deformation preventing guide for pressing the portion side is also effective. Further, the chain terminal is advanced in the clamping direction integrally with the terminal guide, the chain terminal is cut into one terminal by the terminal cutting lever, and the terminal is held down by the terminal cutting lever. After the chain portion is gripped by the clamp, the clamp is moved in the direction of the crimping machine by the conveyor, and the clamp is replaced by the transferring device from the conveyor to the crimping machine, and the wire is crimped to the terminal. A terminal conveying method for returning only the clamp from the crimping machine to the conveyor by the transfer means (claim 11), or a chain band of chain terminals is pressed by the cutter portion, and the chain band is contacted with the contact guide wall. And a terminal cutting method for cutting the chain band between the cutting step and the terminal and positioning and holding the terminal in the terminal holding groove, and the V-shape of the clamp. The positioning in the groove Is engaged with the pin, the projection of the terminal guide is engaged with the horizontal groove of the clamp, the clamp positioning method to fix the clamp in three-point support (claim 13) is also effective.

The main operation based on the above configuration will be described below. In the terminal crimping apparatus according to the first aspect and the terminal conveying method according to the eleventh aspect, the terminal guide advances to the conveyor side integrally with the chain terminal, and one terminal is cut from the chain band by the terminal cutting lever. The terminal cutting lever moves integrally with the terminal guide. The cut terminals are held in the chain by the clamps on the conveyor. The terminal is transported to the crimping machine together with the clamp, and is remounted on the crimping machine by the transfer means.
The wire is crimped and connected by a crimping machine. The clamp is returned to the conveyor by the transfer means with the terminal-equipped wire removed. The terminal guide is retracted by the driving means after the terminal has been transferred to the clamp. At this time, the chain terminal is a terminal feed claw (Claim 7).
Is kept in the forward state. In the terminal crimping apparatus according to the second aspect, a terminal supply unit corresponding to the type of the terminal is used, and the terminal is supplied to the clamp as described above. At the same time, an applicator according to the type of the terminal is automatically arranged on the crimping machine. A terminal crimping apparatus according to claim 4, and claim 1.
In the terminal cutting method described in 2, when the cutting lever comes into contact with the chain band while closing, the force for pressing the chain band against the contact guide wall acts, whereby the terminal is accurately positioned. In the terminal crimping device according to the fifth aspect, since the chain band is cut obliquely, the margin for gripping the clamp increases. In the terminal crimping device according to the sixth aspect and the clamp positioning method according to the thirteenth aspect, the clamp is supported at two points in the front-rear and left-right directions by the V-shaped groove and the positioning pin, and the clamp is supported by the horizontal groove and the protrusion in the vertical direction. At one point, and the three-point support ensures reliable positioning. In the terminal crimping device according to the eighth and ninth aspects, the clamp is temporarily locked to the clamp table by the ball plunger. Then, the clamp is gripped by the chuck hand of the transfer means and pushed forward by the shaft, so that the ball plunger is released from the clamp table, the clamp advances, and the ball plunger is engaged with the applicator. The reverse operation is performed during retreat.

[0011]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1 to 3 show one embodiment of a terminal crimping device according to the present invention. The terminal crimping apparatus 1 is provided with a terminal supply unit 5 that cuts a horizontal chain terminal 2 from a terminal reel (not shown) into one terminal 3 and supplies the terminal 3 to a conveyor 4, and a plurality of terminals provided on the conveyor 4. Then, a clamp 6 for receiving and fixing the terminal 3 from the terminal supply unit 5 and a transfer means (pick and place mechanism) for transferring the clamp 6 to an applicator 8 of a terminal crimping machine 7 (FIG. 2) at the forward end of the conveyor 4 And 9).

The chain terminal 2 (FIG. 1) has a plurality of types (2 ₁ , 2 ₂ ).
...) are arranged in parallel, the terminal supply unit 5 for each chained terminals 2 (5 ₁ to 5 ₅₎ are installed in parallel. Clamps 6 are arranged on the conveyor 4 at the same intervals as the intervals between the terminal supply units 5. Usually, any one of the chain terminals 2 is selectively used, and the conveyor 4 continuously conveys the terminals 3 to the crimping machine 7 side. It is also possible to simultaneously hold a plurality of terminals 3 (3 ₁ , 3 ₂ ...) By a plurality of clamps 6 and transport them to the crimping machine 7 side.

In the crimping machine 7 (FIG. 3), a plurality of types of applicators 8 (8 ₁ to 8 ₆ ) are arranged in parallel so as to be movable in a direction orthogonal to the conveyor 4 according to the type of the terminal 3. I have.
Each applicator 8 is fixed on a horizontally long substrate 10, and a disk-shaped shank 12 is slidably engaged with an upper rail 11. The rail 11 is fixed to the crimping machine 7, and the lifting slider 13 of the crimping machine 7 is located substantially at the center of the rail 11, and the groove 14 of the rail 11 is continuous with the groove 15 of the lifting slider 13. The substrate 10 connecting plate 16 is provided vertically, the connecting plate 16 is fixed to the belt 17 of the conveyance unit 25, the applicator 8 _1-8 along the rails 11 by driving the belt 17
_It moves horizontally together with ₆ . Thereby, the applicator 8 according to the type of the terminal 3 is selected and automatically arranged in the crimping machine 7.

The crimping machine 7 (FIG. 2) is the same as the conventional one, and includes a driving servomotor 18, an eccentric shaft 19 rotated by the servomotor 18, and a lifting slider 13 engaged with the eccentric shaft 19. Is provided. The shank 12 of the applicator 8 is engaged with the groove 14 of the lifting slider 13. Applicator 8
The upper die 20 and the lower die 21 are integrally continuous (FIGS. 3 and 14). In front of the lower mold 21, an electric wire transport device 24 holding the electric wire 22 with a clip 23 is located.

The clamp 6 (FIG. 2) is detachably engaged with a clamp table 26 (FIG. 9) on the conveyor 4 and is fixed by a spring-biased ball plunger 27 (FIG. 9). The clamp 6 is gripped by the chuck hand 28 of the transfer means 9 while holding the terminal 3, moved to the lower die 21 of the applicator 8, and the wire 22 is crimped to the terminal 3 by the lowering of the upper die 20. The above configuration is also effective as a terminal transport method.

Hereinafter, the terminal crimping apparatus 1 will be described in detail for each unit. 4 and 5 show the terminal supply unit 5. FIG. The terminal supply unit 5 connects the chain terminal 2 to the terminal guide 30.
To the terminal cutting lever 31 to cut the terminals 3 one by one and supply them to the conveyor 4. Terminal guide 30
Includes a guide substrate 32 and a cover 33, and horizontally moves to the conveyor 4 side by a horizontal cylinder 34 (driving means) (FIG. 5). The guide substrate 32 has a protruding contact guide wall 36 (FIG. 4) for slidingly contacting the chain band 35 of the chain terminal 2. The rear end face 35a of the chain band 35 slides on the contact guide wall 36.

As shown in FIGS. 6A and 6B, the guide substrate 32
A step portion 37 for cutting the terminal is provided on the forward end side of the guide substrate 32.
Is dug down to cross diagonally. A right angle cutter blade 38 is formed at the tip of the step portion 37.
The terminal cutting lever 31 is engaged with the recess 39 having the step portion 37.

As shown in FIGS. 7 and 8, the terminal cutting lever 31 is supported by a bearing portion 40 protruding from the guide substrate 32 so as to be rotatable (swinging) in the vertical direction by a pin 41. It is biased in the opening direction and is half-open in a free state. In the middle part of the lever 31, a cutter part 42 cut along a tapered shape is formed along the step part 37. A holding groove 43 for terminal positioning is formed at the lower end of the cutter section 42 in the longitudinal direction of the lever.

On the lever side opposite to the cutter section 42,
Escape groove 44 for clamp 6 on conveyor 4
(FIG. 4) is notched. At the forward end of the guide substrate 32, a ridge 45 (projection) for positioning with respect to the clamp 6 (FIGS. 5 and 6) is formed horizontally.

The terminal 3 is engaged with the holding groove 43 of the lever 31, and the chain band 35 is pressed by the bottom 31 a (FIG. 8) of the lever 31, and is inclined between the step 37 and the cutter 42, for example, Cut at a 45 ° angle. At that time, the chain belt 35 is accurately positioned by being abutted against the abutment guide wall 36 in the force component P ₁ of the pressing force P of the lever 31 as shown in FIG. Thereby, the chain band 35 is accurately grasped by the clamp 6 and the positional accuracy of the terminal 3 grasped by the clamp 6 is improved. Also, when the terminal 3 is cut, the terminal 3
Since the terminal 3 is held and fixed, deformation of the terminal 3 is prevented. The cut terminal 3 is held in the holding groove 43 and supplied to the clamp 6. The above configuration is also effective as a terminal cutting method.

In FIG. 5, the guide substrate 32 is fixed to a base 46, and the base 46 is connected to a rod 47 of the horizontal cylinder 34, and can slide on a frame 48 to move forward and backward.
Stoppers 49 and 50 are provided at the front and rear of the frame 48 to define a forward end and a backward end of the terminal guide 5.
A terminal feeding claw 51 is provided on the base 46, and the feeding claw 51 is engaged with the circular hole 52 (FIG. 4) of the chain band 35, and is advanced integrally with the base 46 by driving the horizontal cylinder 34 so that the chain terminal 2 is sent out one pitch at a time. The feed claw 51 falls forward against the bias of the spring 53 when the base 46 is retracted. The chain terminal 2 moves between the cover 33 and the guide board 32.

The guide substrate 32 is provided with a substantially U-shaped lock plate 54 (FIGS. 5 and 8).
With the urging force of 04, the chain terminal 2 can be locked by contacting the chain band 35. The lock plate 54 is locked and unlocked by rotating the cam lever 55. The lock plate 54 is for preventing the chain terminal 2 from retreating during setup or the like.
It is also possible to automatically operate the cam lever 55 by a rotating lever or the like (not shown), lock the terminal when feeding the terminal, and release the lock when the terminal guide 5 retreats.

The conveyor 4 (FIG. 5) has a conveyor belt 5
6 is provided, and the conveyance belt 56 is provided with a substantially T-section shown in FIG.
The clamp base 26 having a U-shape is fixed, and the clamp 6 is engaged with the clamp base 26. Above the conveyor 4 (FIG. 5), a vertical cylinder (elevating cylinder) 58 having a pressing roller 57 for the terminal cutting lever 31, a vertical positioning pin 59 for the clamp 6, and a pressing pin (bolt) 60 for opening the clamp. And a vertical cylinder (elevating cylinder) 61 integrally provided with a frame 62. The pressing pin 60 is fixed to the positioning pin 59 by the clamp 63, and the pins 59 and 60 move up and down integrally. The pressing roller 57 and the vertical cylinder 58 constitute a terminal cutting lever driving unit, and the pressing pin 60 and the vertical cylinder 61 constitute a clamp opening / closing unit.

As shown in FIG. 9, the clamp base 26 has a rail portion 64 protruding on both sides, a stopper 65 protruding upward at the rear end side, and a ball engaging hole 66 for the ball plunger 27 on the clamp side. The clamp 6 is formed with a slide engagement groove (slide engagement portion) 67 having a substantially T-shaped cross section with respect to the clamp base 26, and formed in parallel with the slide engagement groove 67, and the protrusion 45 of the terminal guide 5 (FIG. 5). A base 69 having a positioning horizontal groove 68 for engaging the base 69, an opening / closing portion 72 rotatably supported by pins 71 between front and rear walls 70, 70 of the base 69, It is formed integrally with the rear wall 70 and includes a transfer grip portion 73 having the ball plunger 27.

The ball plunger 27 comprises a male screw cylinder 74, a coil spring 75 in the cylinder, and a ball 76 urged by the coil spring 75. The opening / closing section 72 is urged in a closing direction by an inner torsion spring 77. A holding portion 78 is rotatably supported by a pin 79 at the distal end side of the opening / closing portion 72.
At the base end of the opening / closing portion 72, a V-shaped groove 80 for the positioning pin 59 (FIG. 5) is formed in a vertical direction. A pair of holding grooves 81 for the chuck hand 28 of the transfer means 9 are formed in the holding portion 73 in a direction perpendicular to the chuck hand 28.

The clamp 6 slides the groove 67 on the rail portion 64 of the clamp base 26, makes the rear wall 70 contact the stopper 65, engages the ball 76 with the engaging hole 66, and It is detachably locked to. The chain band 35 of the terminal 3 is inserted between the openable opening / closing portion 72 and the base 69, and is pressed and fixed by the pressing portion 78 of the closed opening / closing portion 72.

As shown in FIGS. 4 and 10, the chain band 3 of the chain terminal 2 is used.
5 is cut by the cutting lever 31 and held by the clamp 6. That is, first, in the state of FIG. 5, the positioning pin 59 descends and engages with the V-shaped groove 80 (FIGS. 4 and 9) of the clamp 6, and at the same time, the clamp 6 is pressed and opened by the pressing pin 60.

Next, as shown in FIG. 11 and FIG.
Is driven by the horizontal cylinder 34 to advance integrally with the chain terminal 2, and the tip of the chain band 3 is inserted into the open clamp 6, and at the same time, the ridge 45 of the guide substrate 32 engages with the horizontal groove 68 of the clamp 6. At the same time, the clamp 6 is positioned and fixed immovably in the vertical direction, and the V-shaped groove 80 is pressed against the positioning pin 59 and positioned and fixed immovably in the front-rear and left-right directions.
The clamp 6 is accurately positioned by three-point support. Thereby, the terminal 3 is set with high positional accuracy with respect to the clamp 6. The above configuration is also effective as a clamp positioning method.

When the chain band 35 is inserted into the opened clamp 6, the cutting lever 31 is located immediately below the pressing roller 57. The driving of the vertical cylinder 58 lowers the pressing roller 57 as shown in FIG. 12, and pushes down the cutting lever 31 to cut the chain belt 35 as described above.

The chain band 35 includes an oblique cutter portion 42 of the cutting lever 31 and an oblique blade portion 38 of the guide substrate 32 (FIG. 6).
As a result, it is cut obliquely as shown in FIGS. By being cut diagonally, a long gripping margin for the clamp 6 is secured.

Next, as the pressing roller 57 (FIG. 11) is raised, the positioning pin 59 and the pressing pin 60 are raised integrally. As a result, the clamp 6 has a spring 77 (FIG. 9).
And the chain band (chain portion) 35 of one terminal 3 is fixed to the clamp 6. Thus, one terminal 3 is cut and supplied to the clamp 6. The above configuration is also effective as a terminal supply and transport method.

Since the shape of the chain band 35 is the same even if there are many types of the terminals 3, the terminal band can be stably transported by gripping the chain band 35 with the clamp 6. Terminal guide 3
0 moves backward by driving the horizontal cylinder 34 and returns to the original position in FIG. At this time, the terminal feed claws 51 (FIG. 11) fall forward as shown by a chain line and pass below the chain band 35, and the chain terminal 2 is maintained at the position where it has been advanced. The terminal 3 gripped by the clamp 6 is conveyed to the crimping machine 7 side by the conveyor 4 as shown in FIGS.

FIG. 13 shows the transfer means 9 for transferring the clamp 6 from the conveyor 4 to the crimping machine 7. The transfer means 9 includes a chuck cylinder 85 having a pair of vertical chuck hands 28 at the end, and a chuck cylinder 85.
A ball screw shaft 86 or a spline shaft having a front end fixed thereto, a rotating portion 87 having a female screw portion (not shown) engaged with the shaft 86, and the rotating portion 87 is driven by pulleys 88 and 89 and a belt 90. Servo motor 91
It is composed of Driving means is constituted by the rotating portion 87 and the motor 91. The rotating portion 87 is rotated by the motor 91, and the shaft 86 moves forward or backward according to the rotation direction. The gripper 73 of the clamp 6 is attached to the chuck hand 28 (FIG. 9).
An engaging ridge 92 having a triangular cross section with respect to the groove 81 is formed.

The chuck hand 28 removes the clamp 6 from the clamp table 26 (FIG. 9) of the conveyor 4 and advances it, and transfers it to a clamp table (not shown) of the lower die 21 of the crimping machine 7 as shown in FIG. This clamp table also has a ball plunger 26
Are formed. Then, the electric wire 22 is crimped to the terminal 3 by lowering the upper die 20 of the applicator 8. The above configuration is also effective as a terminal transport method.

At the time of crimping, as shown in FIGS. 14 and 15, the terminal deformation preventing guide 93 of the applicator 8 presses the electric contact portion 3a side of the terminal 3 between the lower die 21 and the terminal 3.
In this state, the terminal 3 is connected by the crimper 94 and the anvil 95.
The electric wire 22 (FIG. 2) is crimped to the crimping piece 3b. Terminal 3
Is separated from the base of the chain portion 35 at the same time as the crimping by the swinging cutter 96 in the terminal orthogonal direction. Terminal deformation prevention guide 9
3 is fixed to the tip of a vertical shaft 97 suspended from the upper mold 20 and has a horizontal holding groove 98 for the electric contact portion 3a. The terminal deformation preventing guide 93 prevents deformation of the terminal 3 during crimping.

After the crimping, the clamp 6 is returned from the crimping machine 7 to the conveyor 4 by the transfer means 9 again. The chain band 35 left on the clamp 6 is removed from the opened clamp 6 by being pressed by a part of the applicator at the same time as, for example, crimping. The electric wire 22 (FIG. 2) is transported together with the clip 23 by the rotation of the belt 99 (FIG. 1), and the next electric wire 22 is supplied to the crimping machine 7. Then, the clamp 6 holding the next terminal 3
Is transferred onto the crimping machine 7 by the transfer means 9.

[0037] To switch the part of the wire harness (a set of terminal-equipped electric wire), it switches the terminal supply unit 5, for example, from 5 ₁ to 5 ₂ 1, the terminal 3 ₂ other species on the conveyor 4 of the clip 6 At the same time, the applicator 8 (FIG. 3) is moved horizontally as described above, and another applicator (for example, 8 ₅ ) is set on the crimping machine 7. Note that a mechanism for rotating and moving the applicator 8 may be used.

[0038]

As described above, according to the first and eleventh aspects of the present invention, the terminal can be cut separately from the crimping machine and the terminals can be supplied individually to the crimping machine. The applicator is reduced in size and weight, and the work of switching the applicator is facilitated. According to the second aspect of the present invention, it is possible to supply individual terminals according to the types of terminals and to automatically switch the applicator. This facilitates high-mix low-volume production of electric wires with terminals. Since no labor is required for changing the applicator, labor costs are reduced, and automatic switching enables reduction of lead time and reduction of intermediate inventory corresponding to small lot production. According to the third aspect of the present invention, the terminal cutting lever and the clamp are separated from the clamp opening / closing means and the terminal cutting lever driving means. The guide and clamp move smoothly. According to the fourth and twelfth aspects of the present invention, at the time of cutting with the terminal cutting lever, the chain terminal is pressed and positioned on the contact guide wall, cutting is performed with high positional accuracy, and the terminal is held in the terminal holding groove. Thus, the accuracy of the gripping position by the clamp is improved. Further, according to the fifth aspect of the present invention, the chain band is cut obliquely, the gripping margin with the clamp is increased, and reliable conveyance without displacement is enabled. Claims 6 and 1
According to the third aspect of the present invention, the clamp is securely positioned and fixed at three points in up, down, front, rear, right and left, so that the terminal is set on the clamp with high positional accuracy. Further, according to the invention of claim 7, the chain terminal can be reliably advanced integrally with the terminal guide. According to the eighth and ninth aspects of the present invention, the clamp can be smoothly and reliably transferred to the clamp table or the applicator only by the one-dimensional movement (forward / backward movement) of the shaft. Is simplified.
According to the tenth aspect of the present invention, the deformation of the terminal during crimping of the terminal is prevented by the deformation prevention guide.

[Brief description of the drawings]

FIG. 1 is a plan view showing the overall shape of a terminal crimping device according to the present invention.

FIG. 2 is a front view showing the overall shape of the terminal crimping device.

FIG. 3 is a side view showing the overall shape of the terminal crimping device.

FIG. 4 is a plan view showing a terminal supply unit.

FIG. 5 is a side view showing a terminal supply unit.

6A is an enlarged plan view showing a portion A in FIG. 4, and FIG. 6B is a side view of the same.

FIG. 7 is a front view showing a terminal supply unit.

FIG. 8 is a front view showing a terminal supply unit holding terminals.

FIG. 9 is an exploded perspective view showing a terminal clamp, a clamp base, and a terminal.

FIG. 10 is a plan view showing a clamp holding a terminal.

FIG. 11 is a side view of a terminal supply unit showing a state where terminals are supplied to a conveyor.

FIG. 12 is a main part side view showing the operation of opening and closing the clamp and cutting the terminal.

FIG. 13 is a partially sectional front view showing a clamp transfer unit.

FIG. 14 is a side view showing the applicator.

FIG. 15 is a front view showing the applicator.

FIG. 16 is an overall perspective view showing a conventional example.

FIG. 17 is a side view of the main part.

FIG. 18 is a side view showing another conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Terminal crimping apparatus 2 Chain terminal 3 Terminal 4 Conveyor 5 Terminal supply part 6 Clamp 7 Crimping machine 8 Applicator 9 Transfer means 26 Clamp base 27 Ball plunger 28 Chuck hand 31 Terminal cutting lever 30 Terminal guide 34 Horizontal cylinder 35 Chain band 36 Contact guide wall 37 Cutting step 42 Cutter 43 Terminal holding groove 45 Positioning ridge 51 Terminal feed claw 57 Press roller 58, 61 Vertical cylinder 59 Positioning pin 60 Press pin 67 Slide engagement groove 68 Horizontal groove 80 V-shaped groove 86 Ball screw shaft 87 Rotating part 91 Motor 93 Terminal deformation prevention guide

Claims (13)

[Claims] 1. A terminal guide for guiding a chain terminal, driving means for moving the terminal guide integrally with the chain terminal in a terminal supply direction, and a terminal cutting lever integrally provided at a front end of the terminal guide. And a conveyor extending in a direction perpendicular to the terminal supply direction, and a plurality of detachably arranged on the conveyor, positioned at the forward end side of the terminal guide to grip a chain of terminals. A clamp, a clamp opening / closing means and a terminal cutting lever driving means located on the conveyor, a crimping machine located on the forward end side of the conveyor, and a transfer for transferring the clamp between the conveyor and the crimping machine Means for crimping a terminal. 2. A plurality of terminal supply units are arranged in parallel corresponding to a plurality of types of the chain terminals, and a plurality of types of applicators are arranged in the crimping machine in a horizontally movable manner. The terminal crimping device according to claim 1. 3. The terminal cutting lever and the clamp are both urged in the opening direction by a spring member, and the clamp opening / closing means and the terminal cutting lever driving means are connected to each lifting cylinder and each lifting cylinder. The terminal crimping device according to claim 1 or 2, wherein: 4. The terminal cutting lever comprises: a terminal holding groove;
Having a cutter portion for cutting a chain band, wherein the terminal guide is
4. An abutting guide wall for the chain band, and a cutting step facing the cutter.
The terminal crimping device according to any one of the above. 5. The terminal crimping device according to claim 4, wherein said cutter portion and said cutting step are formed obliquely so as to cut said chain band obliquely. 6. A positioning projection is provided at a front end of the terminal guide, and a horizontal groove and a vertical V-shaped groove for the projection are provided on the clamp. The terminal crimping device according to any one of claims 1 to 5, wherein a positioning pin for the V-shaped groove is connected to the cylinder. 7. The terminal crimping device according to claim 1, wherein the terminal guide is provided with a retractable terminal feed claw when retracted. 8. The apparatus according to claim 1, wherein said clamp has a slide engagement portion for a clamp base on said conveyor and an applicator of said crimping machine, and a ball plunger for fixing. 7. The terminal crimping apparatus according to any one of 6. 9. The apparatus according to claim 1, wherein the transfer means comprises a chuck hand for the clamp, a shaft on which the chuck hand is arranged, and a driving means for moving the shaft forward and backward. The terminal crimping device according to any one of 3, 6, and 8. 10. The terminal crimping apparatus according to claim 1, wherein the applicator of the crimping machine has a deformation preventing guide for pressing an electric contact portion of the terminal. 11. A method for transporting a terminal using the terminal crimping device according to claim 1, wherein the chain terminal is advanced together with the terminal guide in the clamping direction, and the chain terminal is disconnected from the terminal cutting lever. In a state where the terminal is cut by one terminal and the terminal is held down by the terminal cutting lever, the chain portion of the terminal is gripped by the clamp, and the clamp is moved by the conveyor in the direction of the crimping machine. A terminal transport method, wherein the transfer means transfers the conveyer to the crimping machine from the conveyer, crimps the wires to the terminals, and returns only the clamp from the crimping machine to the conveyor by the transfer means. 12. A method for cutting a terminal using the terminal crimping device according to claim 4 or 5, wherein a chain band of the chain terminal is pressed by the cutter portion, and the chain band is attached to the contact guide wall. A method for cutting a terminal, comprising cutting the chain band between the cutting step and the step in the pressed state, and positioning and holding the terminal in the terminal holding groove. 13. A method of positioning a clamp using the terminal crimping device according to claim 6, wherein the positioning pin is engaged with the V-shaped groove of the clamp, and the projection of the terminal guide is formed. A clamp positioning method, wherein the clamp is engaged with the horizontal groove of the clamp, and the clamp is fixed by three-point support.