CN211276366U

CN211276366U - Back-to-back terminal wire stretcher

Info

Publication number: CN211276366U
Application number: CN201922228589.1U
Authority: CN
Inventors: 刘永桥
Original assignee: Shenzhen Qifu Xiaozhi Technology Co ltd
Current assignee: Shenzhen Qifu Xiaozhi Technology Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-08-18
Anticipated expiration: 2029-12-11

Abstract

The utility model discloses a back-to-back terminal wire stretcher, belonging to the field of wire stretcher; the device comprises a motor and a screw rod rotating along with the motor; a first clamp and a second clamp are arranged along the axial direction of the screw rod, and the second clamp is connected with the screw rod through a nut; when the screw rod rotates, the screw cap is driven to displace along the axis direction of the screw rod, and the second clamp is driven to be close to or far away from the first clamp; the metal wires connected with the back-to-back terminals are sequentially connected with the first clamp and the second clamp; the second clamp is continuously far away from and close to the first clamp, so that the metal wire is pulled section by section; the structure is simple, and the utility is flexible and good; the riveting process can be carried out synchronously, and the equal spacing between the adjacent back-to-back terminals in the wire drawing process can be ensured, so that the production quality is ensured; the equipment improves the production efficiency and the processing quality of the back-to-back terminals, and realizes batch production of the back-to-back terminals.

Description

Back-to-back terminal wire stretcher

Technical Field

The utility model relates to a wire stretcher technical field especially relates to a back-to-back terminal wire stretcher and method of acting as go-between.

Background

At present, a terminal assembly generally consists of a wire and a terminal connected with the wire; a stable connection structure and an electrical connection are required to be formed between the wire and the terminal, so that electrical signals such as data are transmitted to another connector butted with the terminal assembly; in order to form a firm electrical connection between the lead and the terminal.

In the connection process of the connecting terminal of the existing metal wire and the metal wire, one end of the metal wire is connected with a first terminal, and then the other end of the metal wire is connected with a second connecting terminal; the wiring terminal and the wiring method have the defect of low wiring efficiency, and each metal wire needs to be connected with the wiring terminal through twice riveting.

Based on the above problem, the utility model discloses the people has previously researched and developed a formula of leaning on wire connecting terminal and is used for solving above-mentioned problem to submitted patent application to the national intellectual property office, the patent application number is: 201920376657.6, respectively; meanwhile, in order to process the back-to-back terminals in batch production, a patent number 201921838188.1 is submitted, wherein the patent name is used for pressing and riveting an upper cutter and a lower cutter of the back-to-back terminals; due to the particularity of the back-to-back terminal structure, the conventional wire drawing machine cannot be directly used in the wire drawing process of the back-to-back terminal; based on this, the present inventors developed a machine for pulling wire in the back-to-back terminal production process.

SUMMERY OF THE UTILITY MODEL

In order to clearly and concisely describe the structure and the wire pulling process of the wire pulling machine, the structure and the processing technology of the back-to-back terminal are simply introduced; referring to fig. 1-3; the back-to-back terminal comprises a pair of annular fixing parts 1; the two sides of the fixed part 1 are respectively provided with an extension part 2; the side surface of the extension part 2 is provided with a metal sheet 3 which can be curled; in the process of processing the back-to-back terminals into finished wiring terminals; the first step is to arrange the metal wire 5 along the length direction of the extension part 2, and the second step is to rivet the metal sheet 3 in a pressing way, so that the metal sheet 3 and the metal wire 5 are fixed together; thirdly, cutting off the connection between the pair of fixing parts 1 to form a structure that the two annular fixing parts 1 are connected through the metal wire 5; the two fixing parts 1 are used for being connected to different electronic equipment respectively; in the actual production process, the metal wire 5 is a very long one, and the third step is carried out after a single metal wire 5 is connected with a plurality of back-to-back terminals in series; in the second step, after the connection process of the single back-to-back terminal and the metal wire 5 is completed, the metal wire 5 needs to be pulled, so that the part of the unconnected end part of the metal wire 5 is continuously placed along the length direction of the next back-to-back terminal extension part 2, and the process of connecting the metal wire 5 by riveting is continuously carried out; the circulation is carried out; the utility model discloses a machine of acting as go-between is used for pulling wire 5 in the second step.

The utility model discloses a back-to-back terminal wire stretcher, which comprises a guide wheel component 4, a motor 7 and a screw rod 6 rotating along with the motor 7; a first clamp 91 and a second clamp 92 are arranged along the axial direction of the screw rod 6; when no external force is used for driving, the first clamp 91 does not displace relative to the axial direction of the screw rod 6, the second clamp 92 is fixedly connected with a nut, and the nut is in threaded fit with the screw rod 6; when the screw rod 6 rotates, the nut and the screw rod 6 rotate relatively, the nut displaces in the axial direction of the screw rod 6, and the second clamp 92 is driven to be close to or far away from the first clamp 91; the back-to-back terminal metal wire 5 is connected, penetrates through the guide wheel assembly and then is clamped by the first clamp 91 or the second clamp 92, the first clamp 91 and the second clamp 92 are close to each other initially, when the motor 7 rotates forwards, the first clamp 91 is loosened, the second clamp is clamped, and the back-to-back terminal metal wire 5 is connected to be far away from the guide wheel assembly 4 in a sliding mode under the action of the motor 7; subsequently, the motor 7 is reversed, the first clamp 91 is clamped, the second clamp is released, the second clamp 92 is again brought close to the first clamp 91, and the wire 5 near the first clamp 91 is clamped; the motor 7 rotates forwards again, and the second clamp 92 pulls the metal wire 5 connected with the back-to-back terminals to move a distance away from the guide wheel assembly 4; and the wire drawing process is realized in a circulating mode in sequence.

When the distance between the first clamp 91 and the second clamp 92 is farthest, the length of the metal wire 5 between the first clamp 91 and the second clamp 92 is equal to the length of the metal wire 5 between the first clamp 91 and the position where the back-to-back terminal is pressed and riveted, and the equal distance between the adjacent back-to-back terminals in the wire pulling process is ensured.

Since the wire 5 is too thin, it is difficult for the first and

second clamps

91 and 92 to directly clamp the wire 5, so that the first or second clamp 92 is required to be clamped on the back-to-back terminals to which the wire 5 is connected, and the first and

second clamps

91 and 92 are preferably each clamped one of the pair of fixing portions 1 of a single back-to-back terminal.

In an optimized scheme, the first clamp 91 is arranged on the slide rail 63, and the position of the first clamp 91 can be manually adjusted to change the maximum distance value between the first clamp 91 and the second clamp 92.

The utility model has the advantages that: the utility model provides a back-to-back terminal wire stretcher is used for the wire stretching process of back-to-back terminal processing, and has simple structure and flexible and easy use; meanwhile, the equal spacing between the adjacent back-to-back terminals in the wire drawing process can be ensured, and the production quality is ensured; the equipment improves the production efficiency and the processing quality of the back-to-back terminals, and realizes batch production of the back-to-back terminals.

Drawings

FIG. 1 is a schematic view of a press-riveting process of back-to-back terminals and metal wires;

FIG. 2 is a view showing the connection structure of back-to-back terminals and wires;

fig. 3 is a structural view of a wiring terminal formed after back-to-back terminals are cut off;

FIG. 4 is a view of the second clamp of the present invention near the first clamp;

FIG. 5 is a view of the second clamp of the present invention away from the first clamp;

FIG. 6 is a structural diagram of the motor and the rotating shaft of the present invention;

FIG. 7 is a view showing a second clamping apparatus according to the present invention;

FIG. 8 is a view of the second clamp of the present invention when released;

fig. 9 is a position and structure diagram of the control assembly of the present invention.

The main element symbols are as follows:

1. a fixed part; 2. an extension portion; 3. a metal sheet; 5. a metal wire; 4. a guide wheel assembly; 6. a screw rod; 7. a motor; 61. a screw rod fixing seat; 63. a slide rail; 41. a fixed pulley; 42. a support frame; 71. a coupling; 8. mounting a bottom plate; 81. tank chain accessories; 91. a first clamp; 92. a second clamp; 921. a nut; 922. a support; 923. a lower clamping sheet; 924. and a holding piece is arranged.

Detailed Description

In order to make the present invention clearer, the present invention will be further described with reference to the accompanying drawings.

Referring to fig. 4, a back-to-back terminal wire stretcher includes a motor 7, a screw rod 6 rotating with the motor 7; a first clamp 91 and a second clamp 92 are arranged along the axial direction of the screw rod 6, and the second clamp 92 is connected with the screw rod 6 through a nut; when the screw rod 6 rotates, the driving nut displaces along the axis direction of the screw rod 6 to drive the second clamp 92 to be close to or far away from the first clamp 91; the metal wire 5 connected to the back-to-back terminals is connected to the first jig 91 and the second jig 92 in sequence; the second gripper 92 is constantly moved away from and towards the first gripper 91, achieving a section-by-section pulling of the wire 5.

In this embodiment, the back-to-back terminal wire stretcher includes a mounting base plate 8, a motor 7, and lead screws 6 rotating with the motor 7 are all arranged on the mounting base plate 8; specifically, the motor 7 is connected with one end of the screw rod 6 through the coupler 71, the mounting base plate 8 is provided with a pair of screw rod fixing seats 61, and two ends of the screw rod 6 are respectively connected with the screw rod fixing seats 61, so that the screw rod 6 can only be driven by the motor 7 to rotate.

In actual processing, when the second clamp 92 clamps the metal wire 5 connected with the back-to-back terminals and moves in a direction away from the first clamp 91, the press riveting tools complete press riveting and are separated from each other; the back-to-back terminal which is just pressed is pulled to be away from the cutter, when the second clamp 92 moves to the position farthest away from the first clamp 91, the back-to-back terminal which is out of the press riveting cutter is pulled to the position of the first clamp 91, at the moment, the second clamp 92 is loosened, the first clamp 91 clamps the back-to-back terminal, the second clamp 92 moves towards the direction close to the first clamp 91, and at the moment, the press riveting cutter works to press and connect the next back-to-back terminal; after the second clamp 92 approaches the first clamp 91, the back-to-back terminals clamped by the first clamp 91 are clamped, the first clamp 91 releases the back-to-back terminals, and the second clamp 92 pulls the back-to-back terminals away from the first clamp 91 again under the action of the motor 7; the above steps are repeated in a circulating way, and the pressed and riveted back-to-back terminals are pulled over continuously; cutting the pulled back-to-back terminals in the next process to obtain the finished product of the connecting terminal; the specific cutting process, which will not be described in detail herein; the whole wire drawing process is drawn section by section instead of drawing the metal wire 5 all the time, because the wire drawing and the press riveting are carried out synchronously, the metal wire 5 can be drawn only after the cutter finishes the press riveting; the time for the second clamp 92 to return to the position close to the first cutter is just used as the pause time for riveting the cutter; the whole design is ingenious, can accomplish to act as go-between, and the synchronous work is riveted in the pressure, improves production efficiency.

Referring to fig. 5, a wire guide wheel assembly is further disposed on the mounting base, the guide wheel assembly 4 includes a supporting frame 42 and a fixed pulley 41, and a wire 5 connected to the back-to-back terminals passes through the fixed pulley 41 and then is sequentially connected to a first clamp 91 and a second clamp 92; the direction of the wire 5 connected to the back-to-back terminals is changed by the fixed pulley 41, and the fixed pulley 41 can provide tension to tighten the wire 5 at the portion of the clinching tool and the first clamp 91.

In this embodiment, when the distance between the first clamp 91 and the second clamp 92 is farthest, the length of the wire 5 between the first clamp 91 and the second clamp 92 is equal to the length of the wire 5 between the first clamp 91 and the position where the back-to-back terminal completes the press riveting; the equal space between the adjacent back-to-back terminals in the wire drawing process is ensured; and the first jig 91 and the second jig 92 can be clamped on the back-to-back terminals; the mounting base plate 8 further comprises a slide rail 63, the first clamp 91 is arranged on the slide rail 63, the position of the first clamp 91 is adjusted under the pushing of an external force, the maximum distance value between the first clamp 91 and the second clamp 92 is changed, and when external thrust is not applied, the position of the first clamp 91 cannot be changed; when the distance between the first jig 91 and the position where the back-to-back terminal is press-riveted is changed, the maximum distance between the first jig 91 and the second jig 92 is adjusted by changing the position of the first jig 91 to adapt to the above conditions.

Preferably, the second clamp 92 is also arranged on the slide rail 63, and the second clamp 92 slides along the slide rail 63 away from or close to the first clamp 91.

Referring to fig. 6, the second clamp 92 includes a support 922 fixedly connected to the nut 921 and a clamping portion disposed on the support 922; the clamping part comprises an upper clamping piece and a lower clamping piece, the upper clamping piece and the lower clamping piece are mutually abutted or far away, and the metal wire 5 connected with the back-to-back terminal is clamped or loosened; specific upper and lower clamping pieces 923

Preferably, the first clamp 91 comprises a bracket 922 arranged on the sliding rail 63 and a clamping part arranged on the bracket 922; and the clamping portion of the first clamp 91 is identical in structure to the clamping portion of the second clamp 92.

In the present embodiment, the mounting base plate 8 is further provided with a control assembly and a tank chain accessory 81; the control component is arranged in the accommodating cavity, one end of the tank chain accessory 81 is fixed, and the other end is connected with the second clamp 92; one end of the lead is electrically connected with the control component, and the other end of the lead passes through the tank chain accessory 81 and is electrically connected with the second clamp 92; when the second clamp 92 is displaced, the end of the tank chain accessory 81 connected with the second clamp 92 is correspondingly curled adaptively; protecting the wires connecting the control assembly and the second clamp 92 from damage; meanwhile, the control assembly is also electrically connected with the first clamp 91 and the motor 7 through conducting wires; the control assembly controls the opening or clamping of the first clamp 91, and the working state and the forward and reverse rotation of the motor 7.

Referring to fig. 7, a back-to-back terminal pulling method includes

The metal wire 5 connected to the back-to-back terminals is connected to the first jig 91 and the second jig 92 in sequence;

the motor 7 rotates forward to drive the screw rod 6 to rotate, the screw rod 6 drives the second clamp 92 to move away from the first clamp 91, and the metal wire 5 connected with the back-to-back terminals is pulled to move for a distance in the direction away from the first clamp 91; the motor 7 rotates reversely, the motor 7 rotates forwardly to drive the screw rod 6 to rotate, and the screw rod 6 drives the second clamp 92 to be close to the first clamp 91;

the second gripper 92 is constantly moved away from and towards the first gripper 91, achieving a section-by-section pulling of the wire 5.

Wherein, before the metal wire 5 connected with the back-to-back terminals is sequentially connected with the first clamp 91 and the second clamp 92, the metal wire 5 firstly passes through the wire guide wheel and then is sequentially connected with the first clamp 91 and the second clamp 92, and the wire guide wheel assembly is used for changing the direction of the metal wire 5 connected with the back-to-back terminals.

Specifically, the maximum distance value of the second clamp 92 pulling the wire 5 connected to the back-to-back terminals to move in the direction away from the first clamp 91 is equal to the length of the wire 5 between the first clamp 91 and the position where the back-to-back terminals are pressed and riveted.

Preferably, when the second clamp 92 pulls the wire 5 connected to the back-to-back terminals to move in a direction away from the first clamp 91, the external force pushes and adjusts the position of the first clamp 91 on the slide rail 63, so as to change the maximum distance between the first clamp 91 and the second clamp 92.

The utility model has the advantages that:

1. the utility model provides a back-to-back terminal wire stretcher is used for the wire stretching process of back-to-back terminal processing, and has simple structure and flexible and easy use; can be carried out synchronously with the riveting process.

2. Meanwhile, the equal spacing between the adjacent back-to-back terminals in the wire drawing process can be ensured, and the production quality is ensured; the equipment improves the production efficiency and the processing quality of the back-to-back terminals, and realizes batch production of the back-to-back terminals.

3. The length of the metal wire between the first clamp and the second clamp is equal to the length of the metal wire between the positions where the first clamp and the back-to-back terminals complete press riveting, and the equal distance between the adjacent back-to-back terminals in the wire pulling process is guaranteed.

4. Because the wire is too thin, it is difficult for the first clamp and the second clamp to directly clamp the wire, so that the first clamp or the second clamp is required to clamp the back-to-back terminals connected by the wire, and the preferred first clamp and the second clamp respectively clamp one of a pair of fixing parts of a single back-to-back terminal.

5. The first clamp is arranged on the sliding rail, the position of the first clamp can be manually adjusted, and the maximum distance value between the first clamp and the second clamp is changed.

6. The first clamp and the second clamp are linear stay wires, so that the length of each stay wire can be ensured to be consistent, and the precision of a finished product is ensured.

The above disclosure is only for the specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. A back-to-back terminal wire stretcher is characterized by comprising a motor and a screw rod rotating along with the motor; a first clamp and a second clamp are arranged along the axial direction of the screw rod, and the second clamp is connected with the screw rod through a nut; when the screw rod rotates, the screw cap is driven to displace along the axis direction of the screw rod, and the second clamp is driven to be close to or far away from the first clamp; the metal wires connected with the back-to-back terminals are sequentially connected with the first clamp and the second clamp; the second clamp is continuously far away from and close to the first clamp, and the metal wire is pulled section by section.

2. The back-to-back terminal wire stretcher of claim 1 further comprising a wire wheel assembly for changing the direction of the wire connected to the back-to-back terminals; and the metal wires connected with the back-to-back terminals penetrate through the wire guide wheel and then are sequentially connected with the first clamp and the second clamp.

3. The back-to-back terminal wire stretcher of claim 1 wherein the length of the wire between the first clamp and the second clamp is equal to the length of the wire between the first clamp and the position where the crimping of the back-to-back terminals is completed when the distance between the first clamp and the second clamp is the farthest.

4. The back-to-back terminal wire stretcher of claim 3, further comprising a slide rail, wherein the first clamp is disposed on the slide rail, and the position of the first clamp is adjusted by external force to change the maximum distance between the first clamp and the second clamp.

5. The back-to-back terminal wire drawing machine according to claim 1, wherein the second clamp includes a bracket fixedly connected with the nut and a clamping portion provided on the bracket; the clamping part comprises an upper clamping piece and a lower clamping piece, the upper clamping piece and the lower clamping piece are mutually abutted or kept away, and metal wires connected with the back-to-back terminals are clamped or loosened.

6. The back-to-back terminal wire stretcher of claim 1 further comprising a control assembly and a tank chain accessory; one end of the tank chain accessory is fixed, and the other end of the tank chain accessory is connected with the second clamp; one end of the lead is electrically connected with the control assembly, and the other end of the lead passes through the tank chain accessory and is electrically connected with the second clamp; when the second anchor clamps take place the displacement, the tank chain accessory takes place corresponding adaptability curling with the one end that the second anchor clamps are connected.