KR101338396B1 - Terminalclamping machine for wire - Google Patents

Abstract

The present invention relates to a terminal clamping machine for wire and, more specifically, to a terminal clamping machine for wire capable of effectively clamping a terminal by simultaneously pressing the terminal with a sheath and the core wire of an end part which is peeled off at a regular length. In order to achieve the forementioned, the terminal clamping machine for wire which clamps a terminal by pressing the terminal and the core wire of a peeled cable together includes: a housing (100) in which a movement guide (110) which is penetrated in the up and down direction is formed; a terminal pressing unit (200) which moves up and down in the movement guide (110) of the housing (100) and clamps the terminal by pressing the terminal and the core wire of the cable together; a terminal transfer unit (300) which is installed in a position separated from one side of the housing (100) in order to be able to rotate and continuously transfer the terminal in the direction of the terminal pressing unit (200) while rotating in the clockwise or counter clockwise direction by being connected with the up and down movement of the terminal pressing unit (200); and a terminal supply unit (400) which is arranged in the lower side of the terminal transfer unit (300) and continuously supplies the terminal in the direction of the terminal pressing unit (200) while guiding the transfer of the terminal which is transferred by the terminal transfer unit (300).

Description

Terminal fastener for electric wires {TERMINALCLAMPING MACHINE FOR WIRE}

The present invention relates to a terminal binder for electric wire, and more particularly, to a terminal terminal for electric wire that can be effectively bonded by crimping the terminal to the core wire and the coating of the end of the wire stripped to a certain length at the same time.

In order to operate an automatic control panel used in many fields such as industrial sites, automated machinery, automobiles, etc., electrical connection between an automatic control panel and a PLC program, a control servo motor, various sensors, and hydraulic or pneumatic equipment is required.

The wire harness is a wire harness that improves workability, stability, and visibility by connecting wires, connectors, terminals, etc. by connecting each electrical connection by use and by electrical characteristics. .

In general, wire harnesses used for electric wiring of automobiles are used for large current wires with large diameters so that large currents can flow, and after stripping the coating of the wire ends to be electrically connected to another wire or connector, etc. The terminal is pressed against the stripped conductor (core) to be bound.

In particular, in the case of automobiles, the electronic devices and sensors are being used in recent years, especially in the case of electric vehicles using high voltage, fuel cell vehicles, and hybrid vehicles using two or more power sources. The use of wire harnesses is increasing rapidly because they use a voltage that is relatively higher than the operating voltage of conventional gasoline or diesel vehicles such as motors.

Also, in recent years, the production of wire harnesses used for electric wiring of automobiles is shifting from mass production method to small quantity production method. Therefore, various standards (wire diameter, single wire or double wire, twisted wire or There is a need for a wire terminal binder system capable of effectively performing a series of processes for caulking, crimping, and binding many kinds of wires having different wire lengths or uncoated wires).

Korea Patent Registration No. 10-0768538, Korea Patent Publication 10-2010-0046629

Accordingly, the present invention has been made to solve the above problems, the technical problem to be solved in the present invention, the terminal automatically connected to the core of the wire through the terminal pressing unit which moves up and down with a certain time difference inside the housing An object of the present invention is to provide a terminal binder for wires that can be fixed by means of a wire.

In addition, another technical problem to be solved in the present invention, by supplying the terminal automatically at a constant pitch interval in conjunction with the vertical movement of the terminal pressing unit, the wire terminal for more effectively binding the terminal to the core of the wire To provide a binder.

In addition, another technical problem to be solved by the present invention is to provide a terminal binder for the wire that can increase the durability by minimizing the friction caused by the contact with the housing during the vertical movement of the terminal pressing unit.

In addition, another technical problem to be solved by the present invention is to provide a terminal binder for wires that can effectively adjust the gap when the gap between the terminal pressing portion and the housing occurs.

In addition, another technical problem to be solved by the present invention is to provide a wire terminal binder that can be carried out easily and easily to move and storage by reducing the weight of the wire terminal binder.

In addition, another technical problem to be solved by the present invention, when not using the terminal pressurizing portion is provided by a stopper means for limiting the downward movement of the terminal pressurizing portion damaged by the impact of the punch assembly of the terminal pressing portion and the anvil assembly located in the lower portion And to provide a terminal fastener for the wire that can prevent the safety accident in advance.

In addition, another technical problem to be solved by the present invention, by applying a terminal supply unit for supplying the terminal in a variable type that can be adjusted up and down or left and right, it is possible to effectively supply terminals of various sizes using one terminal supply unit, An object of the present invention is to provide a terminal binder for wires that can increase production yield while reducing processing costs.

In addition, another technical problem to be solved in the present invention, by configuring a variable type of the cam angle of the portion in which the terminal pressing unit and the terminal transfer unit is in contact with each other to perform the relative movement, it is possible to An object of the present invention is to provide a terminal binder for electric wire, which enables the terminal to be stably transported to the binding position point.

The present invention for solving the above technical problem, the wire terminal binder for pressing the terminal to the core wire of the coated wire to bind, the housing 100 is formed with a movement guide 110 penetrated in the vertical direction; A terminal pressurizing part 200 which moves in the moving guide 110 of the housing 100 and presses and binds the terminal to the core of the wire; The terminal is rotatably installed at a position spaced apart from one side of the housing 100, and the terminal is pressed in the direction of the terminal pressing unit 200 while rotating in a clockwise or counterclockwise direction in synchronism with Shanghai at the same time. Terminal transfer unit 300 to continuously transfer to the; And a terminal supply unit 400 disposed at a lower side of the terminal transfer unit 300 to guide the transfer of the terminal by the terminal transfer unit 300 and to continuously supply the terminal toward the terminal pressurizing unit 200. Characterized in that comprises a.

Here, the housing 100 may be provided with a friction reducing member 120 for reducing the friction between the terminal pressing portion 200 and the housing 100 is moved up and down in the movement guide 110.

In this case, the friction reducing member 120 is installed to be retractable in the direction of the terminal pressing portion 200 in the housing 100, the housing 100 is the friction reducing member 120 to the terminal A gap adjusting bolt 125 for adjusting the gap between the friction reducing member 120 and the terminal pressing part 200 may be additionally installed while advancing toward the pressure part 200.

On the other hand, the terminal transfer part 300, the transfer rod 310 is rotatably coupled to one side of the housing 100; It is rotatably coupled to the lower end of the transfer rod 310, it may be configured to include a finger 321 for transferring the terminal supplied from the terminal supply unit 400 in the direction of the terminal pressing unit 200.

Here, an elastic body 330 may be coupled between the housing 100 and the transfer rod 310 to provide an elastic force to elastically rotate the transfer rod 310 at a predetermined angle in a clockwise direction.

In addition, a finger holder 320 for supporting the finger 321 is installed at the lower end of the transfer rod 310, and the finger 321 is disposed between the lower end of the transfer rod 310 and the finger holder 320. An elastic body 340 that provides an elastic force to elastically rotate the finger holder 320 supported by a predetermined angle in a clockwise direction may be coupled.

In addition, one side surface of the terminal pressurizing portion 200 is in contact with the transfer rod 310 at the same time as the shank of the terminal pressurizing portion 200 and the pressure rod for rotating the transfer rod 310 clockwise or counterclockwise 210 may be provided.

At this time, one side of the conveying rod 310 is coupled to the driving rod 350 is provided with a guide roller 355 which is in contact with the pressing rod 210 at the same time the shank of the terminal pressing unit 200 and performs the rolling motion One side of the pressing rod 210 is rotatably coupled to the contact piece 250 in contact with the guide roller 355 of the transfer rod 310 according to the rotational position of the contact piece 250 The rotation angle can be configured to be adjusted.

In addition, one side of the pressure rod 210 may be additionally provided with a contact piece adjusting bolt 250 for adjusting the rotational position of the contact piece 250.

On the other hand, the terminal supply unit 400, the base block (411); A pair of guide rails (412) (413) installed on the base block (411) and transported with the terminals seated on an upper surface thereof; And a cover plate 414 disposed on an upper side spaced apart from the guide rails 412 and 413 to cover and press a terminal seated on the guide rails 412 and 413. One of the (413) is fixed on the base block 411, the other is installed on the base block 411 to be linearly movable, the cover plate 414 is straight in the vertical direction and the longitudinal direction of the terminal It may be installed to be movable.

Here, the terminal pressing unit 200 is a ram 220 which is moved in the movement guide 110 of the housing 100, the hold 231, the punch 232 is coupled to the lower end of the ram 220 ), A stopper 233 and a punch assembly 230 including a jig 324.

At this time, the assembly assembly 240 in which the terminal supplied from the terminal supply unit 400 is seated below the punch assembly 230 is disposed.

In addition, a stopper assembly 500 is installed at one side of the housing 100 to temporarily limit the downward movement of the terminal pressing part 200, and the stopper assembly 500 is provided with the terminal pressing part 200. It may be configured to be released when the pressure is moved downward.

The stopper assembly 500 has a conical contact surface 511 in contact with a lower end of the terminal pressing part 200 at one end thereof, and a pair of stopper grooves 512 spaced apart in the longitudinal direction on an outer circumferential surface thereof. A stopper pin 510 formed; The ball flanger 520 is disposed perpendicular to the stopper pin 510 and has a ball inserted into the stopper groove 512 to restrain the movement of the stopper pin 510.

In addition, the terminal pressing portion 200 is in contact with the conical contact surface 511 formed at the end of the stopper pin 510 and a contact bolt 530 for adjusting the stopping height of the terminal pressing portion 200. ) May be combined.

The terminal fastener for wires according to the present invention has the effect of increasing the productivity of the product because the terminal can be automatically and continuously coupled to the core wire while moving the terminal pressing unit up and down using hydraulic pressure or pneumatic pressure.

In addition, since the terminal can be automatically supplied by one pitch through the terminal feeder which is interlocked and rotates when the terminal presser moves up and down, the terminal can be more effectively coupled to the core of the wire.

In addition, by installing a friction reducing member on the inner surface of the housing in which the terminal pressing portion is vertically slid, the friction caused by the contact with the housing during the vertical movement of the terminal pressing portion can be minimized, thereby reducing wear caused by friction and durability There is an advantage to increase. In addition, the weight of the terminal binder is remarkably reduced because more than 80% of parts such as the housing, terminal transfer part, and terminal supply part, except for the terminal press part, which have not been applied to materials other than iron due to durability and abrasion resistance, have been changed to a light aluminum material. There is an advantage to this.

In addition, by forming a friction reducing member installed on the inner surface of the housing in a retractable structure, there is an advantage that the gap between the friction reducing member and the terminal pressing portion can be effectively adjusted when the gap between the terminal pressing portion and the housing is generated.

In addition, while reducing unnecessary parts of the wire terminal fastener, most of the body of the terminal fastener is applied to aluminum except parts related to durability and parts directly related to crimping of the terminal. It can be improved, and the weight of the product can be greatly lightened, so there is an advantage of easy movement and storage.

In addition, by providing a stopper means for limiting the downward movement of the terminal pressing portion in case of emergency, it is possible to prevent damage and safety accidents due to the impact of the punch assembly of the terminal pressing portion and the anvil assembly located below. And, as in the past, it is possible to eliminate the trouble of inserting a separate safety block between the housing and the terminal pressing portion, and to prevent the closed end that is lost by separating the safety block inserted between the housing and the terminal pressing portion. It can work. In addition, it is configured to automatically release the fixed state by the stopper pin during the operation of the terminal pressing unit, by accidentally operating the terminal pressing unit without removing the safety block inserted between the housing and the terminal pressing unit. It can overcome the disadvantage that causes breakage of the driving part.

In addition, the ram is provided with a contact bolt in contact with the end of the stopper pin on one side of the ram of the terminal pressing portion, by rotating the contact bolt clockwise or counterclockwise to adjust the protruding length from the bottom of the ram, By adjusting the height of lift, there is an advantage that the terminal binder replacement work can be performed quickly and conveniently.

In addition, by configuring the terminal supply unit for supplying the terminal in a variable type that can be adjusted up and down or left and right to match the type and size of the terminal, it is possible to effectively transport and supply terminals having various types and sizes by using one terminal supply unit As a conventional method, there is an advantage in that it is possible to solve the trouble of having to replace or install the parts according to the type and form of the terminal every time, or perform a separate machining operation accordingly. Because of this, there is no need to replace the parts according to the type and shape of the terminal every time or separate additional processing work to reduce the production cost and improve the production yield.

In addition, by configuring a variable type that can adjust the cam angle to the portion where the terminal pressing unit and the terminal conveying unit is in contact with each other and performs relative movement, it is possible to stably transfer various types of terminals to the pressing position point regardless of the pitch distance of the terminal. There is an advantage to this.

1 is a perspective view showing a wire terminal binder according to an embodiment of the present invention.
Figure 2 is an exploded perspective view showing a state in which the terminal pressing unit and the housing of Figure 1 separated.
3 is a cross-sectional view of the housing of FIG. 2 viewed in the direction of A-A ', illustrating a comparison between before and after the movement of the friction reducing member.
Figure 4 is an operating state showing the appearance that the gap inside the housing is adjusted by the retraction movement of the friction reducing member.
Figure 5 is an exploded perspective view showing in detail the configuration of the terminal pressing unit according to the present invention.
Figure 6 is a detailed view showing the structure of the terminal transfer unit according to the present invention in detail.
7 is an operational state diagram showing the rotation operation of the terminal transfer unit according to the vertical movement of the terminal pressing unit.
8 is an operating state showing the state that the rotation angle of the contact piece provided on the pressure rod through the adjustment bolt is adjusted.
9 is a detailed view showing the structure of the terminal supply unit according to the present invention in detail.
10 is an exploded perspective view showing in detail the configuration of the anvil assembly according to the present invention.
Figure 11 is an operating state showing the state that the guide rail and the cover plate is adjusted up and down and left and right to fit the size of the terminal fed into the terminal supply.
12 is an operating state diagram showing a process of pressing the terminal by rotating the lever in a state in which the terminal is inserted into the terminal supply.
Figure 13 is a partial cutaway cross-sectional view showing in detail the installation structure of the stopper assembly according to the present invention.
FIG. 14 is an operation state diagram illustrating a state in which the terminal pressing unit is fixed by a stopper pin provided in the stopper assembly and a state in which the stopper pin is automatically released when the terminal pressing unit is operated.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing a wire terminal binder according to an embodiment of the present invention, Figure 2 is an exploded perspective view showing a state in which the terminal pressing unit and the housing of the terminal binder shown in FIG. to be.

1 and 2, a wire terminal binder according to the present invention (hereinafter referred to as a "terminal binder") is a device that is mounted in a press (not shown) by pressing the terminal to the core wire of the coated wire to bind As shown in FIG. 1, the housing 100, the terminal pressurizing unit 200, the terminal transfer unit 300, and the terminal supply unit 400 are configured.

The housing 100 is a structure made of an aluminum material to support the terminal pressing unit 200 for pressing the terminal. The housing 100 has a rectangular shape and a moving guide 110 penetrated in the vertical direction. In addition, an opening 101 formed at a predetermined width is formed at one side of the housing 100 so that the pressing rod 210 to be described later does not interfere when the terminal pressing part 200 moves up and down.

The terminal pressurizing unit 200 is coupled to a crimping unit (not shown) provided in the press and moves at a predetermined pitch interval in the vertical direction by up and down driving of the crimping unit to press the terminal, and the movement guide of the housing 100. Move up and down within the 110 and press the terminal to the core of the wire to bind. The specific configuration of the terminal pressing unit 200 will be described later.

When the terminal pressurizing unit 200 moves up and down, the terminal conveying unit 300 rotates in a clockwise or counterclockwise direction in conjunction with the terminal pressing unit 200, and moves the terminal to the lower side of the terminal pressing unit 200. By continuously moving, it is rotatably installed on a position spaced a predetermined distance from one side of the housing 100.

The terminal supply unit 400 is disposed at the lower side of the terminal transfer unit 300, and serves to guide the terminal in the process of transferring the terminal by the terminal transfer unit 300.

On the other hand, the terminal pressing unit 200 for pressing and coupling the terminal to the core portion of the wire is to press the terminal every one cycle (up and down) operation, when the vertical operation of the terminal pressing unit 200 is repeated for a long time Abrasion due to friction may occur between the housing 100 and the terminal pressurizing part 200 which are repeatedly contacted with each other. As such, when the terminal pressurizing unit 200 descends and presses the terminal in a state in which abrasion occurs in the contact portion between the two structures, the terminal may not be pressurized accurately at a predetermined position, which may result in a poor connection of the terminal.

In order to prevent this, the inner surface portion of the housing 100 having the movement guide 110 is formed on the inner surface of the housing 100 and the outer surface of the terminal pressing portion 200 which is moved up and down in the movement guide 110. A plurality of friction reducing members 120 that can effectively reduce the friction between the side is provided.

3 is a view of the housing 100 in which the friction reducing member 120 shown in FIG. 2 is installed in the direction of A-A 'section, (a) is a structure in which the friction reducing member 120 is installed in the housing 100. (B) is a cross-sectional view showing a state in which the friction reducing member 120 performs the forward and backward movement through the gap adjusting bolt 125. In addition, Figure 4 is an operating state diagram showing a state in which the gap inside the housing 100 is adjusted by the forward and backward movement of the friction reducing member 120.

3 and 4, the friction reducing member 120 according to the present invention is a rod-shaped bearing structure made by mixing various metal components, a plurality of on the inner surface of the housing 100, the movement guide 110 is formed; Dogs are provided.

As described above, the binding operation of the terminal is performed by the terminal pressing unit 200 repeatedly moving up and down within the movement guide 110 of the housing 100, and the shank of the terminal pressing unit 200 When copper is repeatedly performed for a long time, a gap due to wear or the like may be generated between the inner surface of the housing 100 and the outer surface of the terminal pressing part 200 which are in contact with each other. In some cases, play may occur due to an error generated during machining of a part. In order to reduce such clearance, it is preferable to install the friction reducing member 120 on the inner surface of the housing 100 in contact with the terminal pressing portion 200. In this case, a friction reducing member 120 having a thin band shape is attached to a portion of the inner surface of the housing 100 (left side and bottom side in FIG. 4), and the other portion (right side and upper side of FIG. 4) is attached to the other portion. Friction reducing member 120 having a rectangular bar shape that can adjust the play is provided.

The rectangular bar-shaped friction reducing member 120 is installed in a structure capable of moving back and forth in the inward direction of the housing 100 in which the terminal pressing part 200 is located. In this case, the housing 100 in which the friction reducing member 120 is located Side gap portion of the friction reducing member 120 is coupled to the gap adjusting bolt 125 that can adjust the gap between the friction reducing member 120 and the terminal pressing portion 200 while advancing by a predetermined distance.

As shown in FIG. 3, the gap adjusting bolt 125 has a fixed bolt 124 coupled to the friction reducing member 120 in a state in which the gap is fixed to the left and right within the housing 100. The friction reducing member 120 is moved in and out of the housing 100 by tightening or releasing the gap adjusting bolt 125.

At this time, when rotating the clearance adjustment bolt 125 in the counterclockwise direction, the friction reducing member 120 is advanced in the inward direction of the housing 100, on the contrary, the clearance adjustment bolt 125 in the clockwise direction. When rotating, the friction reducing member 120 performs the operation of retreating in the outward direction of the housing 100.

As such, the friction reducing member 120 disposed on two side surfaces adjacent to each other among the four sides of the housing 100 may be advanced through the gap adjusting bolt 125 in the inner and outer directions of the housing 100. By forming the structure, even if the clearance caused by the wear between the housing 100 and the terminal pressing portion 200 by the repeated stroke operation for a long time of the terminal pressing portion 200, the friction through the clearance adjusting bolt 125 The reduction member 120 may be moved inwardly of the housing 100 to reduce play.

On the other hand, Figure 5 is an exploded perspective view showing a specific configuration of the terminal pressing unit 200 according to the present invention.

As shown in FIG. 5, the terminal pressurizing part 200 according to the present invention has a ram 220 which is vertically moved in the movement guide 110 of the housing 100, and a hold that is coupled to a lower end of the ram 220. And a punch assembly 230 including a punch 231, a punch 232, a stopper 233, and a jig 324.

Ram 220 is to support the punch assembly 230 for pressing the terminal, is inserted into the movement guide 110 of the housing 100 is in contact with the inner surface of the movement guide 110 is moved up and down.

The upper portion of the ram 220, the insulation disk 223, the wire disk 222 to adjust the gap between the upper end of the punch assembly 230 and the ram 220 is screwed rotatably to the post ram 221. .

When the punch assembly 230 presses the terminal through the terminal pressurizing unit 200, the hold 231 for preventing the terminal (the specific structure of the terminal is shown in FIG. 12) from being bent upward or downward, A punch 232 for cutting the terminal strip 373 from a terminal 370 having a core wire barrel 371 and a coating barrel 372 interconnected with the terminal strip 373 for crimping the core wire and the sheath, It consists of a stopper 233 which prevents detachment of an electric wire when pressurizing an electric wire, and a pair of jig 234 which presses the core wire and coating | cover of an electric wire.

Therefore, when a pair of jig 234 simultaneously presses the core wire barrel 371 and the covering barrel 372 of the terminal 370 to couple the stripped wire and the terminal 370 to each other, the terminal 370 is held. Pressurized by 231 to prevent the terminal from bending upwards or downwards.

An anvil assembly 240 in which the terminal 370 supplied from the terminal supply unit 400 is seated is disposed below the punch assembly 230 having such a configuration.

On the other hand, Figure 6 is a detailed view showing the structure of the terminal transfer unit 300 according to the present invention in detail, Figure 7 is an operating state showing the rotation operation of the terminal transfer unit 300 according to the vertical movement of the terminal pressing unit 200. to be. And, Figure 8 is an operating state diagram showing a state in which the rotation angle of the contact piece 250 provided in the pressure rod 210 is adjusted through the contact piece adjusting bolt 260.

6 to 8, the terminal transfer part 300 is a transfer rod 310 rotatably coupled to one side of the housing 100, and is rotatably coupled to a lower end of the transfer rod 310, and a terminal supply part. And a finger 321 for transferring while pushing the terminal supplied from 400 to the lower side of the terminal pressing part 200.

The feed rod 310 rotates counterclockwise when the terminal pressurizing unit 200 moves upward, and rotates clockwise when moving downward, and the terminal presses the terminal through the finger 321 ( It is to be conveyed while pushing continuously in the 200) direction.

At this time, between the transfer rod 310 and the housing 100 is coupled to the elastic body 330 to give an elastic force to elastically rotate the transfer rod 310 in a clockwise direction (Fig. 2 or 6). Reference)

Therefore, the transfer rod 310 is applied to the elastic force applied by the elastic body 330 in a state in which no external force is applied by the terminal pressing part 200, that is, the state in which the terminal pressing part 200 is moved downward. Thereby rotating in a clockwise direction at an angle.

In addition, a finger holder 320 having a finger 321 in contact with a terminal is rotatably installed at a lower end of the transfer rod 310. At this time, an elastic body 340 is provided between the lower end of the transfer rod 310 and the finger holder 320 to give an elastic force to elastically rotate the finger holder 320 in a clockwise direction.

Therefore, since the finger 321 is maintained in a state in which a predetermined elastic force is applied to the finger holder 320 by the elastic body 340, the finger 321 is the upper surface of the terminal supply unit 400 during the transfer operation of the terminal. It makes elastic contact with the terminal seated on and pushes the terminal forwards.

In addition, the finger adjustment screw 132 that can limit the rotation angle of the transfer rod 310 to a certain angle range in the bracket 131 formed on one side of the housing 100 spaced apart from the transfer rod 310 by a certain distance. Is combined.

On the other hand, as shown in Figures 7 and 8, one side of the terminal pressing portion 200 is in direct contact with the transfer rod 310 during the vertical movement of the terminal pressing portion 200 is the transfer rod 310 The pressing rod 210 rotates clockwise or counterclockwise.

And, on one side of the transfer rod 310 is installed a drive rod 350 having a rotatable guide roller 355 to make contact with the pressure rod 210 and to perform a rolling movement when the terminal pressing portion 200 moves up and down do.

The pressing rod 210 has a guide hole 212 penetrated in the vertical direction to guide the guide roller 355 to be brought in or drawn out when the guide roller 355 makes contact when moved up and down by the terminal pressurizing unit 200.

The contact piece 250 which is in contact with the guide roller 355 and guides the movement of the guide roller 355 is rotatably coupled to the pressure rod 210 positioned around the guide hole 212. In this case, the contact piece 250 is freely coupled around the hinge portion 252 hinged on the pressure rod 210.

In addition, on the pressing rod 210 located on the lower side of the contact piece 250 is provided with a contact piece adjusting bolt 250 that can adjust the rotational position of the contact piece 250. At this time, the contact piece 250 is maintained in the state supported on the upper end of the contact piece adjustment bolt 260 as shown in Figure 8 to the center of the hinge portion 252 during the vertical movement of the contact piece adjustment bolt 260 Rotate counterclockwise or clockwise.

Therefore, as shown in FIG. 8A, when the contact piece adjusting bolt 250 is tightened to move upward, the contact piece 250 rotates counterclockwise around the hinge portion 252. As shown in (b), when the contact piece adjusting bolt 260 is released and retracted downward, the contact piece 250 rotates in a clockwise direction with respect to the hinge part 252, and the position of the contact piece 250 is variable. Can be.

As such, when the position adjustment of the contact piece 250 is configured to be freely set, the rotation radius of the feed rod 310 is adjusted by changing the movement trajectory of the guide roller 355 rolling on the contact piece 250. Can be. In this case, even if the type and size of the terminal is different, the rotation radius of the transfer rod 310 can be adjusted by moving the position of the contact piece 250, and accordingly, the moving distance of the finger 321 for moving the terminal. (Pitch interval) can be adjusted.

Looking at the rotation operation of the transfer rod 310 according to the contact of the contact piece 250 and the guide roller 355 in detail, as shown in Figure 7 (a), when the terminal pressing portion 200 is moved upward The guide roller 355 provided in the transfer rod 310 is guided on the inclined surface of the contact piece 250 provided in the pressure rod 210 and moved downward into the guide hole 212 in the pressure rod 210. While being guided, the transfer rod 310 is rotated by a predetermined angle in a counterclockwise direction, and the finger 321 coupled to the lower end of the transfer rod 310 in conjunction with this is rotated together with the transfer rod 310 while the terminal is rotated. The terminal seated on the upper surface of the terminal supply unit 400 while moving forward in a predetermined distance in the direction of the pressure unit 200 is pushed and transported to the lower side assembly assembly 240 of the terminal pressure unit 200.

In this state, when the terminal pressurizing part 200 moves downward again, as shown in FIG. 7B, the guide roller 355 of the feed rod 310 is the contact piece 250 of the pressure rod 210. The guide rod is rotated by an angle in a clockwise direction while being guided on the inclined surface, and the finger 321 coupled to the lower end of the transfer rod 310 in conjunction with the terminal pressurizing unit 200 It will move backwards away from you.

As described above, the finger 321 coupled to the lower end of the transfer rod 310 is moved while the transfer rod 310 is rotated in a clockwise or counterclockwise direction in conjunction with the lifting and lowering operation of the terminal pressing unit 200. A continuous conveying operation of the terminal is made through the repeated operation of continuously pushing the terminal to the lower side of the terminal pressing unit 200 at a predetermined pitch interval.

On the other hand, Figure 9 is a detailed view showing the structure of the terminal supply unit 400 in accordance with the present invention in detail, Figure 10 is a separation showing the configuration of the anvil assembly 240 provided in front of the terminal supply unit 400 in detail Perspective view. In addition, FIG. 11 is an operating state diagram showing how the guide rails 412 and 413 and the cover plate 414 are adjusted up, down, left, and right to fit the size of the terminal 370 input to the terminal supply unit 400. 12 is an operation state diagram illustrating a process of pressing the terminal 370 by rotating the lever 417 in the state in which the terminal 370 is inserted into the terminal supply unit 400.

9 to 12, the terminal supply unit 400 according to the present invention guides the input terminal to be accurately transferred to the assembly assembly 240 at the same time the terminal is supplied, the terminal supply unit 400 The base block 411 includes two guide rails 412 and 413 and a cover plate 414.

In addition, the anvil assembly 240 in which the terminal 370 supplied from the terminal supply unit 400 is crimped includes an anvil holder 245, a wire anvil 244, an insulation anvil 243, and a cutter ( 242 and the cutter holder 241 is configured.

The anvil assembly 240 is coupled to one side of the upper surface of the base plate 420 for supporting the terminal binder, the terminal supply unit 410 and the housing 100 on the other side of the upper surface of the base plate 420 Combined.

Meanwhile, the guide rails 412 and 413 are structures that support the lower surface of the terminal 370. As illustrated in FIGS. 11 and 12, the guide rails 412 and 413 are spaced apart from the upper surface of the base block 411 by a predetermined distance. . In addition, the guide rails 412 and 413 are transferred to the terminal pressurizing unit 200 through the finger 321 of the terminal transfer unit 300 in a state where the terminal 370 is seated. In this case, the hook 374 protruding from the lower surface of the terminal 370 is positioned between two guide rails 412 and 413 so that the hook 374 guides the guide rail 412 during the transfer of the terminal 370. It does not interfere with 413.

Here, of the two guide rails 412 and 413 installed on the base block 411, one side guide rail 413 is fixedly installed on the base block 411, and the other side guide rail 412 is a base block. On the 411, the terminal 370 is installed to be linearly movable in the longitudinal direction.

If it is installed in this way, even if the length of the terminal 370 introduced into the terminal supply unit 400 is different, one side of the guide rail 412 installed on the base block 411 so as to be movable to the appropriate width of the longitudinal direction of the terminal 370 It can be used after moving to a phase and fixing it.

In addition, a cover plate 414 is provided on the upper side spaced apart from the guide rails 412 and 413 to press and cover the terminals 370 seated on the guide rails 412 and 413. At this time, one end of the cover plate 414 is formed with a guide end 414a bent vertically vertically downward. The guide end 414a is positioned between the core barrel 371 and the covering barrel 372 of the terminal 370 to guide the transfer of the terminal 370.

The cover plate 414 is installed to be linearly movable in the vertical direction and the longitudinal direction of the terminal 370. That is, the first slide block 415 is installed on the rear side (-X axis direction) of the base block 411 so as to be linearly movable in the left and right directions (Y axis direction), and one side of the first slide block 415 is provided. The second slide block 416 coupled to the cover plate 414 is installed to be linearly movable in the vertical direction (Z-axis direction).

In this case, an upper surface of the first slide block 415 is formed to be flush with the upper surface of the base block 411, and a rear surface of the first slide block 415 is a rear surface of the second slide block 416. It is formed to lie in the same position as.

As such, the first slide block 415 is installed on the rear side of the base block 411 so as to be linearly movable in the horizontal direction, and the second coupled to the cover plate 414 on one side of the first slide block 415. By installing the slide block 416 in a linear movement in the vertical direction, the first slide block 415 and the second slide block 416 to match the length and height of the terminal 370 input to the terminal supply unit 400. And the positions of the guide rails 412 and 413 may be appropriately adjusted. (At this time, the configuration of the bolts for positioning and fixing the guide rails 412, 413, the first slide block 415, the second slide block 416 is not separately shown in the drawings.)

Here, the lever 417 provided on one side of the terminal supply unit 400 is provided by the spring 418 a portion of the terminal strip 373 connecting the plurality of terminals 370 in the transfer process of the terminal 370. While pressing to be a certain elastic force that is, while replacing the terminal 370 is configured to release the pressing force that was pressed on the terminal.

That is, when the lever 417 is rotated in the clockwise or counterclockwise direction, the terminal strip pressing portion 419 disposed on the side of the terminal supply unit 400 is raised or lowered through a cam movement to thereby raise a portion of the terminal strip 373. It can elastically release or release the force.

At this time, since the terminal strip pressing unit 419 presses a portion of the terminal strip 373 at a predetermined pressing force by the spring 418 during the transfer of the terminal 370, when the finger 321 rotates to the rear side. Edo terminal 370 can be fixed in position without moving along the rear side. In addition, in this case, the force that the finger 321 bites the terminal 370 and transfers to the terminal pressurizing unit 200 is greater than the force that presses the terminal 370 through the terminal strip pressing unit 419. Smooth transfer operation of the terminal 370 is possible.

On the other hand, when the terminal binder is to be separated and replaced or stored from the press machine, it is necessary to fix the terminal pressing unit 200 so as not to descend. That is, by fixing the terminal pressing unit 200 so as not to descend below, it is necessary to block the damage of the punch assembly 230 of the terminal pressing unit 200 by hitting the anvil assembly 240. To this end, the present invention is provided with a stopper assembly 500 for temporarily fixing the terminal pressing portion 200 on one side of the housing 100 so as not to descend.

13 is a partial cutaway cross-sectional view showing in detail the installation structure of the stopper assembly 500 according to the present invention, Figure 14 is a terminal pressing unit 200 is fixed by the stopper pin 510 provided in the stopper assembly 500 It is a state diagram showing the appearance and the state in which the fixed state of the stopper pin 510 is automatically released during the operation of the terminal pressing unit 200.

The stopper assembly 500 according to the present invention has a function of forcibly fixing the terminal pressurizing part 200 so as not to be lowered down again when it is lifted upward. In addition, when the terminal binder is mounted on the press again, the fixed state of the terminal pressing unit 200 by the stopper assembly 500 may be easily released.

Looking at the configuration of the stopper assembly 500 of the present invention in more detail with reference to Figures 13 and 14, the stopper assembly 500 according to the present invention is a pair spaced at regular intervals along the longitudinal direction on the outer periphery A stopper pin 510 having a stopper groove 512 formed thereon, and a ball disposed vertically at a lower side of the stopper pin 510 and inserted into the stopper groove 512 to restrain the stopper pin 510. It is configured to include a ball flanger (520).

The stopper pin 510 is inserted through the side surface of the housing 100 vertically, and an end portion of the stopper pin 510 facing the terminal pressing part 200 is formed to have a conical contact surface 511 and the opposite side thereof. The head portion 513 positioned at is formed to be exposed out of the side of the housing 100.

The ball flanger 520 is disposed perpendicularly to the lower side of the stopper pin 510 so that the upper ball 522 supported by the spring fits into one stopper groove 512 of the stopper pin 510 to be engaged. Installed to restrain the movement of the stopper pin 510.

In addition, the one side of the ram 220 provided in the terminal pressing unit 200 is fastened by being inserted into the upper portion from the lower end, the contact bolt that can be caught and supported on the conical contact surface 511 of the stopper pin 510 ( 530 is screwed. At this time, the contact bolt 530 is tightened or loosened as necessary to adjust the protruding length from the bottom of the ram 220.

Looking specifically at the fixing and releasing process of the terminal pressing unit 200 by the stopper assembly 500 (expressed by omitting the contact bolt in FIG. 14 for convenience), it is fixed to prevent the terminal pressing unit 200 from descending downwards. If you want to, first, as shown in Fig. 14 (a), when the terminal pressing portion 200 is lifted to the upper side by pressing the head portion 513 of the stopper pin 510 by one side stopper by the pressing force As the ball 522 on the top of the ball flanger 520 inserted into the groove 512 is pulled out, the stopper pin 510 is moved a predetermined distance in the inner direction of the housing 100. At this time, the ball 522 provided on the top of the ball flanger 520 is fitted into the other stopper groove 512 formed on the outer circumferential surface of the stopper pin 510, so that the stopper pin 510 is maintained in a fixed state. Accordingly, as shown in (b) of FIG. 14, the terminal is connected to the contact bolt 530 provided at the lower side of the terminal pressing part 200 by the conical contact surface 511 of the stopper pin 510. The downward movement of the pressing unit 200 is limited.

On the other hand, when the terminal pressing unit 200 is raised by the stopper pin 510 after being raised as described above, when the terminal binder is mounted on the press machine and used again, as shown in FIG. When the terminal pressurizing unit 200 is moved downward through the crimping unit (not shown), the contact bolt 530 provided at the lower side of the terminal presser unit 200 has a conical contact surface 511 at the end of the stopper pin 510. ) Is pressed downward, and the stopper pin 510 is moved to the outside of the housing 100 again by the pressing force, and then automatically locked to the moved position, so that the state of restraint by the stopper pin 510 is easy. Is released.

The wire terminal fastener of the present invention having the above-described configuration greatly increases product productivity because the terminal can be automatically and continuously coupled to the core of the wire while moving the terminal pressurizing unit 200 up and down using hydraulic pressure or pneumatic pressure. You can. In addition, since the terminal can be automatically supplied by one pitch through the terminal transfer part 300 which interlocks and rotates when the terminal presser 200 moves up and down, there is an advantage that the terminal can be more effectively coupled to the core of the wire.

In addition, the terminal binder of the present invention can be made of a material such as iron or stainless steel as in the conventional, but the parts that require durability for light weight of the device, or parts directly related to the crimping of the terminal ( For example, relatively large portions (for example, the housing 100, the terminal pressurizing unit 200, the terminal conveying unit 300, and the terminal supply unit except for the punch assembly 230 and the anvil assembly 240, etc.) 400), etc.) by applying the body portion of the aluminum material, it is possible to improve the workability during manufacturing parts, it is easy to manufacture, there is an advantage that can greatly reduce the overall weight of the device by about 40%.

In addition, by installing the friction reducing member 120 on the inner surface of the housing 100 in which the terminal pressing portion 200 is vertically slid, the contact with the housing 100 during the vertical movement of the terminal pressing portion 200 Since the friction can be minimized, the wear caused by the friction can be reduced and the durability can be increased. As a result, the terminal pressing part, which has not been applied to a material other than iron due to durability and abrasion resistance, can be changed to a light aluminum material, thereby reducing the weight of the terminal binder significantly.

The embodiments and the accompanying drawings described in the present specification are merely illustrative of some of the technical ideas included in the present invention. Accordingly, the embodiments disclosed herein are for the purpose of describing rather than limiting the technical spirit of the present invention, and it is apparent that the scope of the technical idea of the present invention is not limited by these embodiments. Modifications and specific embodiments that can be easily inferred by those skilled in the art within the scope of the technical idea included in the specification and drawings of the present invention should be construed as being included in the scope of the present invention.

100 housing 101 opening
110: movement guide 120: friction reducing member
125: clearance adjusting bolt 131: bracket
132: finger adjustment screw 200: terminal pressure
210: pressurized rod 220: ram
221: postram 222: wire disk
223: insulation disk 230: punch assembly
231: Hold 232: Punch
233: stopper 234: jig
240: anvil assembly 241: cutter holder
242 cutter 243 insulation enville
250: contact piece 260: contact piece adjustment bolt
300: terminal feeder 310: feed rod
320: finger holder 330, 340: elastic body
321 finger 350: driving rod
355: guide roller 370: terminal
400: terminal supply unit 411: base block
412, 413 guide rail 414 cover plate
415: first slide block 416: second slide block
417: lever 418: spring
419: terminal strip pressurization part 500: stopper assembly
510: stopper pin 511: contact surface
512: stopper groove 520: ball flanger
530: Contact bolt

Claims (15)

In the terminal fastener for electric wires which presses and binds a terminal to the core of the coated electric wire,
A housing 100 having a movement guide 110 penetrated in the vertical direction;
A terminal pressurizing part 200 which moves in the moving guide 110 of the housing 100 and presses and binds the terminal to the core of the wire;
The terminal is rotatably installed at a position spaced apart from one side of the housing 100, and the terminal is pressed in the direction of the terminal pressing unit 200 while rotating in a clockwise or counterclockwise direction in synchronism with Shanghai at the same time. Terminal transfer unit 300 to continuously transfer to the; And
A terminal supply unit 400 disposed at a lower side of the terminal transfer unit 300 to guide the transfer of the terminal by the terminal transfer unit 300 and continuously supply the terminal toward the terminal pressurizing unit 200; Including but not limited to
The housing 100 has a friction reducing member 120 for reducing the friction between the terminal pressing portion 200 and the housing 100 is moved up and down in the movement guide 110 for the wire Terminal binder.
delete The method of claim 1, wherein the friction reducing member 120 is installed in the housing 100 to be retractable toward the terminal pressing portion 200 side,
The housing 100 has a gap control for adjusting the gap between the friction reducing member 120 and the terminal pressing portion 200 while advancing the friction reducing member 120 toward the terminal pressing portion 200 side. Wire terminal binder, characterized in that the bolt 125 is installed.
The method of claim 1, wherein the terminal transfer unit 300,
A transfer rod 310 rotatably coupled to one side of the housing 100;
The wire is rotatably coupled to the lower end of the transfer rod 310, characterized in that it comprises a finger 321 for transferring the terminal supplied from the terminal supply unit 400 in the direction of the terminal pressing unit 200 side Terminal binder.
The method of claim 4, wherein between the housing 100 and the transfer rod 310 is characterized in that the elastic body 330 for imparting an elastic force to elastically rotate the transfer rod 310 at a predetermined angle in the clockwise direction is coupled. Terminal binder for electric wire.
According to claim 5, Finger holder 320 is supported on the lower end of the transfer rod 310, the finger 321 is installed,
An elastic body 340 that provides an elastic force between the lower end portion of the transfer rod 310 and the finger holder 320 to rotate the finger holder 320 supported by the finger 321 at a predetermined angle in a clockwise direction. Wire terminal binder, characterized in that coupled.
According to claim 4, One side of the terminal pressurizing portion 200 is in contact with the transfer rod 310 at the same time Shanghai of the terminal pressing portion 200 and the transfer rod 310 in a clockwise or counterclockwise direction The terminal binder for electric wires, characterized in that the pressing rod 210 to rotate.
The driving rod (10) of claim 7, wherein one side of the transfer rod (310) is provided with a guide roller (355) which is in contact with the pressure rod (210) at the same time as the terminal pressurizing portion (200) and performs rolling motion ( 350) are combined,
One side of the pressing rod 210 is rotatably coupled to the contact piece 250 in contact with the guide roller 355,
Wire connector according to the rotational position of the contact piece 250, characterized in that the rotation angle of the transfer rod 310 is adjusted.
The terminal fastener of claim 8, wherein a contact piece adjusting bolt (250) is provided at one side of the pressure rod (210) to adjust the rotational position of the contact piece (250).
The method of claim 1, wherein the terminal supply unit 400,
Base block 411;
A pair of guide rails (412) (413) installed on the base block (411) and transported in a state in which a terminal is seated on an upper surface;
And a cover plate 414 disposed on an upper side spaced apart from the guide rails 412 and 413 to cover and press a terminal seated on the guide rails 412 and 413.
One of the guide rails 412 and 413 is fixed on the base block 411 and the other is installed to be linearly movable on the base block 411,
The cover plate 414 is a wire terminal binder, characterized in that the linear movement in the vertical direction and the longitudinal direction of the terminal is installed.
The terminal of claim 1, wherein the terminal pressurizing unit 200 is ram 220 which is moved in and out of the movement guide 110 of the housing 100, the hold 231 is coupled to the lower end of the ram 220 And a punch assembly (230) including a punch (232), a stopper (233), and a jig (324).
12. The method of claim 11,
Under the punch assembly 230, the terminal assembly for a wire, characterized in that the assembly assembly 240 is mounted to the terminal supplied from the terminal supply unit 400 is disposed.
According to claim 1, Stopper assembly 500 for temporarily limiting the downward movement of the terminal pressing portion 200 is installed on one side of the housing 100,
The stopper assembly 500 is a terminal binder for a wire, characterized in that when the terminal pressurizing portion 200 is pressed downwards and moved.
The method of claim 13, wherein the stopper assembly 500,
A stopper pin (510) having a conical contact surface (111) contacting the lower end of the terminal pressurizing portion (200) at one end thereof, and having a pair of stopper grooves (512) spaced apart in the longitudinal direction on an outer circumferential surface;
It is disposed perpendicular to the stopper pin 510, the wire is characterized in that it comprises a ball flanger 520 having a ball inserted into the stopper groove 512 to restrain the movement of the stopper pin 510 Terminal binder.
15. The method of claim 14, wherein the terminal pressing portion 200 is in contact with the conical contact surface 111 formed at the end of the stopper pin 510 and for adjusting the stopping height of the terminal pressing portion 200 Terminal bolts for the wire, characterized in that the contact bolt 530 is coupled.

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