CN210723641U

CN210723641U - Wire feeding device of single-end terminal machine

Info

Publication number: CN210723641U
Application number: CN201921982355.XU
Authority: CN
Inventors: 莫金伟; 徐良; 莫仕锋
Original assignee: Changzhou Yiertong Electronics Co Ltd
Current assignee: Changzhou Yiertong Electronics Co Ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-06-09
Anticipated expiration: 2029-11-15

Abstract

The utility model discloses a wire feeding device of a single-end terminal machine, which relates to the field of terminal machines and comprises a material bundling pipe, a wire feeding pipe, a first wire feeding wheel and a second wire feeding wheel which are arranged oppositely, wherein the first wire feeding wheel and the second wire feeding wheel are both arranged on a feeding plate, the feeding plate is respectively provided with a first rotating shaft and a second rotating shaft, the first wire feeding wheel is coaxially fixed with a first rotating shaft, the second wire feeding wheel is coaxially fixed with a second rotating shaft, one end of the first rotating shaft, which is far away from the first wire feeding wheel, is connected with a first step motor, and the first step motor is arranged below the feeding plate; the feeding plate is connected with a rotating shaft mounting seat used for fixing a second rotating shaft in a sliding mode, the second rotating shaft is connected with the rotating shaft mounting seat in a rotating mode, a baffle is arranged on one side, away from the first rotating shaft, of the rotating shaft mounting seat, the baffle is installed on the feeding plate, and a compression spring is arranged between the baffle and the rotating shaft mounting seat. The utility model discloses it is accurate to have wire transfer distance, further promotes terminal pressfitting quality, and then promotes the effect of connecting the reliability between the inside components and parts of brushless controller.

Description

Wire feeding device of single-end terminal machine

Technical Field

The utility model belongs to the technical field of the technique of terminal machine and specifically relates to a send traditional thread binding putting of single-end terminal machine is related to.

Background

The controller is a master device for controlling the starting, speed regulation, braking and reversing of the motor by changing the wiring of a main circuit or a control circuit and changing the resistance value in the circuit according to a preset sequence. The brushless controller adopts 16F72 produced by American microchip as a main control chip, the chip has moderate resource and excellent performance, and is manufactured by efficient and rapid PTD program control to form a three-phase low-voltage brushless direct current controller with excellent performance. Currently, a wire with terminals is generally used for connection in a brushless controller, and a terminal machine is needed for pressing the terminals onto the wire.

The terminal machine refers to a machine used for processing electric wires, and the terminal machine can press a hardware head to an electric wire end and then conduct. The terminal that the terminal machine was beaten is usually for connecting more conveniently, need not go the welding just can be stable link together two wires, only need pull out when demolising can.

As shown in fig. 1 and 2, a single-end terminal machine in the prior art includes a base 1, a wire feeding mechanism 11, a wire cutting and peeling mechanism 12, a terminal feeding mechanism 13, a terminal pressing mechanism 131 and a wire collecting device 14 are sequentially arranged on the base 1, a wire feeding device 2 is arranged between the wire feeding mechanism 11 and the wire cutting and peeling mechanism 12, a feeding plate 3 is arranged in the base 1, the wire feeding device 2 is mounted on the feeding plate 3, and the feeding plate 3 can rotate in a reciprocating manner. The wire feeding device 2 comprises a wire bundling pipe 21, a wire feeding wheel 22 and a wire feeding pipe 23 which are sequentially arranged, a wire feeding mechanism 11 conveys a wire into the wire bundling pipe 21, the wire is conveyed through the wire feeding wheel 22 and conveyed into a wire cutting and peeling mechanism 12 through the wire feeding pipe 23 to be peeled, then a feeding plate 3 rotates to convey the wire with the exposed wire core into a terminal pressing mechanism 131, a terminal is conveyed to the lower part of the wire core by the terminal conveying mechanism 13, the terminal is pressed onto the wire by the terminal pressing mechanism 131, the pressed wire is conveyed back to the wire cutting and peeling mechanism 12 by the feeding plate 3 to be peeled and cut, and then a finished product is stored by a wire collecting device 14. The wire feeding wheels 22 are oppositely arranged on the feeding plate 3, the wire passes through the two wire feeding wheels 22, the wire is conveyed by means of the friction force between the two wire feeding wheels 22, the distance of the wire transmission is controlled by the rotating angle of the wire feeding wheels 22, and the length of a cut finished product is further controlled.

The adoption of the scheme has the following defects: two wire feeding wheels are the action wheel, and the distance between the wire feeding wheels is difficult to adjust, and is also difficult to control the pressure of wire, and when being too small to wire pressure, just probably produce during the conveying wire and skid, cause the distance of wire conveying no longer accurate, influence the quality of terminal pressfitting, and then influence the connection reliability of the inside components and parts of brushless controller.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a single-end terminal machine send traditional thread binding putting has that wire transfer distance is accurate, further promotes terminal pressfitting quality, and then promotes the effect of connecting the reliability between the inside components and parts of brushless controller.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a wire feeding device of a single-end terminal machine comprises a material bundling pipe, a wire feeding pipe, a first wire feeding wheel and a second wire feeding wheel which are arranged oppositely, wherein the first wire feeding wheel and the second wire feeding wheel are both arranged on a feeding plate, a first rotating shaft and a second rotating shaft are respectively arranged on the feeding plate, the first wire feeding wheel is coaxially fixed with a first rotating shaft, the second wire feeding wheel is coaxially fixed with a second rotating shaft, one end of the first rotating shaft, far away from the first wire feeding wheel, is connected with a first step motor, and the first step motor is arranged below the feeding plate;

the feeding plate is connected with a rotating shaft mounting seat used for fixing a second rotating shaft in a sliding mode, the second rotating shaft is connected with the rotating shaft mounting seat in a rotating mode, a baffle is arranged on one side, away from the first rotating shaft, of the rotating shaft mounting seat, the baffle is installed on the feeding plate, and a compression spring is arranged between the baffle and the rotating shaft mounting seat.

By adopting the technical scheme, the stepping motor drives the first wire feeding wheel to rotate, the second wire feeding wheel is pushed to press on the first wire feeding wheel by utilizing the elasticity of the compression spring, so that the wire positioned between the first wire feeding wheel and the second wire feeding wheel is extruded, the wire is driven to move by the friction force generated among the first wire feeding wheel, the elasticity of the compression spring is unchanged, the pressure on the wire is also unchanged, even the diameter of the wire is changed, and the wire is not influenced to be conveyed by the first wire feeding wheel; the stable pressure brings stable frictional force, has reduced the possibility of skidding when conveying, has guaranteed that the conveying distance of wire is accurate, makes the pressfitting position of terminal keep unanimous, promotes the pressfitting quality of terminal, and then promotes the connection reliability between the inside components and parts of brushless controller.

The utility model discloses further set up to: the compression springs are oppositely arranged at two ends of the rotating shaft mounting seat.

Through adopting above-mentioned technical scheme, the compression spring that sets up relatively can make second wire feeding wheel and first wire feeding wheel more balanced to the extrusion force of wire, makes the conveying of wire more reliable and more stable.

The utility model discloses further set up to: the utility model discloses a pivot mount pad, including pivot mount pad, pay-off board, pivot mount pad, second pivot and backup pad, the both sides of pivot mount pad all are equipped with the slider, be equipped with the slide rail that supplies the slider to slide on the pay-off board, the top and the bottom of pivot mount pad all are equipped with the backup pad towards one side of first pivot, the second pivot rotates with the backup pad to be connected.

By adopting the technical scheme, the two ends of the second rotating shaft are rotatably connected with the rotating shaft mounting seat, so that the rotating stability of the second wire feeding wheel is improved, and the wire conveying stability is improved; the slider and the slide rail are arranged, so that the movement of the rotating shaft mounting seat except the sliding direction is limited, the first wire feeding wheel and the second wire feeding wheel can extrude the wires more reliably, and the wire conveying precision is further improved.

The utility model discloses further set up to: one side of the rotating shaft mounting seat facing the baffle is provided with a guide post, and the guide post penetrates through the baffle.

By adopting the technical scheme, the guide post is matched with the movement of the sliding block, so that the second wire feeding wheel extrudes the first wire feeding wheel more stably and reliably; meanwhile, a worker pulls the guide post, so that the first wire feeding wheel and the second wire feeding wheel can be separated, and a lead can be conveniently threaded.

The utility model discloses further set up to: and a handle is arranged at one end of the guide post, which is far away from the rotating shaft mounting seat.

Through adopting above-mentioned technical scheme, the workman holds the handle, conveniently stimulates the guide post.

The utility model discloses further set up to: the first wire feeding wheel comprises an outer wheel and a shaft sleeve, the outer wheel is fixedly connected with the shaft sleeve, the shaft sleeve is arranged on the first rotating shaft, a threaded hole is formed in the shaft sleeve relatively, a locking bolt is connected in the threaded hole in a threaded manner, and the locking bolt is abutted to the first rotating shaft.

Through adopting above-mentioned technical scheme, utilize the fixed first wire feeding wheel of locking bolt, convenient and reliable installs and removes simply.

The utility model discloses further set up to: the threaded holes are obliquely arranged towards the direction far away from the feeding plate.

By adopting the technical scheme, the inclination of the threaded hole is the inclination of the locking bolt, so that a worker can conveniently use tools to screw the locking bolt.

The utility model discloses further set up to: a groove is formed in the side face of one end, close to the rotating shaft mounting seat, of the guide post, and a check plate is hinged in the groove.

Through adopting above-mentioned technical scheme, after pulling the guide post to suitable position, rotate the check plate, make it and baffle butt, and then make the pivot mount pad unable reset, make things convenient for the workman to install and remove first wire feeding wheel.

To sum up, the utility model discloses a beneficial technological effect does:

1. through the arrangement of the rotating shaft mounting seat, the baffle and the compression spring, stable and reliable extrusion force is generated on the lead, the possibility of slipping during lead transmission is reduced, the accuracy of lead transmission distance is ensured, the pressing positions of the terminals are kept consistent, the pressing quality of the terminals is improved, and the connection reliability between components in the brushless controller is further improved;

2. through the setting of axle sleeve and locking bolt, make things convenient for installing and removing of first wire feeding wheel, reduce the time cost of maintenance, and then promote production efficiency.

Drawings

FIG. 1 is a schematic diagram of a single-ended handset in the prior art;

FIG. 2 is an enlarged view of part A of FIG. 1

FIG. 3 is a schematic structural diagram for embodying the whole in the present embodiment;

FIG. 4 is an enlarged view of portion B of FIG. 3;

fig. 5 is a schematic structural diagram for embodying the first stepping motor and the second stepping motor in the present embodiment.

In the figure, 1, a base; 11. a wire feeding mechanism; 12. a wire cutting and peeling mechanism; 13. a terminal feeding mechanism; 131. a terminal pressing mechanism; 14. a take-up device; 15. a second stepping motor; 2. a wire feeding device; 21. a material bundling pipe; 22. a wire feeding wheel; 23. a wire feeding pipe; 24. a first wire feeding wheel; 241. a first rotating shaft; 242. a first stepper motor; 243. an outer wheel; 244. a shaft sleeve; 2441. a threaded hole; 2442. locking the bolt; 25. a second wire feeding wheel; 251. a second rotating shaft; 3. a feeding plate; 31. a rotating shaft mounting base; 311. a slider; 312. a support plate; 32. a baffle plate; 321. a compression spring; 33. a slide rail; 34. a guide post; 341. a handle; 342. a groove; 3421. a check plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

as shown in fig. 3 and 4, the wire feeding device of the single-end terminal machine disclosed by the present invention is installed on the feeding plate 3 of the single-end terminal machine, and comprises a material bundling pipe 21, a wire feeding pipe 23, and a first wire feeding wheel 24 and a second wire feeding wheel 25 which are oppositely arranged; a second stepping motor 15 (shown in fig. 5) mounted on the base is arranged below the feeding plate 3, the feeding plate 3 is driven by the second stepping motor 15, the first wire feeding wheel 24 and the second wire feeding wheel 25 are mounted on the feeding plate 3 through a first rotating shaft 241 and a second rotating shaft 251 mounted on the feeding plate 3 respectively and are coaxially fixed with the first rotating shaft 241 and the second rotating shaft 251 respectively, the material bundling pipe 21 and the wire feeding pipe 23 are also mounted on the feeding plate 3, the material bundling pipe 21 and the wire feeding pipe 23 are respectively located at the upstream and the downstream of the first wire feeding wheel 24 and the second wire feeding wheel 25, and the material bundling pipe 21 is used for limiting the shaking of a wire (not shown in the figure) fed by the wire feeding mechanism 11, so that the wire tends to be stable and convenient for subsequent transmission; the wire penetrates through the wire feeding pipe 23, the wire feeding pipe 23 enables the wire to be difficult to bend along with the rotation of the wire feeding pipe 23, the wire is further accurately conveyed, and the first wire feeding wheel 24 and the second wire feeding wheel 25 can be driven to rotate by the rotation of the first rotating shaft 241 and the second rotating shaft 251; a first stepping motor 242 (shown in fig. 4) is installed below the feeding plate 3, and the first stepping motor 242 is coaxially fixed with the first rotating shaft 241, and drives the first rotating shaft 241 to rotate, so as to drive the first wire feeding wheel 24 to rotate.

As shown in fig. 4, the second rotating shaft 251 is mounted on the feeding plate 3 through the rotating shaft mounting seat 31, and the rotating shaft mounting seat 31 is connected with the feeding plate 3 in a sliding manner; still be equipped with baffle 32 on the feed plate 3, baffle 32 is located the one side that first pivot 241 was kept away from to pivot mount pad 31, be equipped with compression spring 321 between baffle 32 and pivot mount pad 31 relatively, rely on compression spring 321's elasticity drive pivot mount pad 31 to first pivot 241 removal, and then drive second wire feeding wheel 25 and extrude first wire feeding wheel 24, and then increase the frictional force of first wire feeding wheel 24 and second wire feeding wheel 25 to the wire, make first wire feeding wheel 24 rotate and can drive the wire and carry out the conveying. The rotation of the stepping motor is performed step by step at a fixed angle, so that the first stepping motor 242 can keep the angle of rotation of the first wire feeding wheel 24 uniform every time, thereby keeping the distance of the wire to be conveyed uniform all the time.

As shown in fig. 4, in order to make the rotating shaft mounting seat 31 slide on the feeding plate 3 smoothly and not easily deviate, the sliding blocks 311 are disposed on both sides of the rotating shaft mounting seat 31 in the sliding direction of the first rotating shaft 241, the feeding plate 3 is provided with the sliding rails 33 for sliding the sliding blocks 311, and the combination of the sliding blocks 311 and the sliding rails 33 limits five degrees of freedom of the rotating shaft mounting seat 31, so that the rotating shaft mounting seat can only reciprocate toward the first rotating shaft 241, and further the transmission of the conducting wires is more stable. In order to balance the extrusion force of the second wire feeding wheel 25 on the first wire feeding wheel 24, supporting plates 312 are arranged at two ends of the rotating shaft mounting seat 31, the second rotating shaft 251 is located between the two supporting plates 312 and is rotatably connected with the two supporting plates 312, and the two ends of the second rotating shaft 251 are supported, so that the second wire feeding wheel 25 rotates more stably, and the transmission of the wires is more accurate and reliable. In order to facilitate the drawing of the lead, a guide post 34 is arranged on one side of the rotating shaft mounting seat 31 facing the baffle 32, the guide post 34 penetrates through the baffle 32, and the rotating shaft mounting seat 31 can be pulled to move by pulling the guide post 34; in order to facilitate pulling the guide post 34, a handle 341 is provided at an end of the guide post 34 away from the spindle mounting seat 31.

As shown in fig. 4, the first wire feeding wheel 24 includes an outer wheel 243 and a shaft sleeve 244, the outer wheel 243 and the shaft sleeve 244 are fixedly connected, the shaft sleeve 244 is sleeved on the first rotating shaft 241, the first wire feeding wheel 24 is a driving part and a pressure part, so that the first wire feeding wheel 24 is relatively easy to damage, in order to enable the first wire feeding wheel 24 to be easily and firmly detached, a threaded hole 2441 is relatively formed on the shaft sleeve 244, a locking bolt 2442 is connected in the threaded hole 2441, and the first wire feeding wheel 24 is fixed by the pressing of the locking bolt 2442 on the first rotating shaft 241; the rotation that the locking bolt 2442 set up relatively can make first wire feeding wheel 24 is balanced more stable, and screw hole 2441 sets up towards the slope of the direction of keeping away from feed plate 3 simultaneously, and locking bolt 2442 is corresponding also can the slope setting, and the foreign steamer 243 is stretched out to the head of tightening bolt, can make things convenient for workman's use tool to twist, and then makes things convenient for installing and removing of first wire feeding wheel 24. In order to prevent the shaft mounting seat 31 from generating excessive interference when a worker installs and removes the first wire feeding wheel 24, a groove 342 is formed at one end of the guide post 34 close to the shaft mounting seat 31, the groove 342 is formed in the side surface of the guide post 34, a check plate 3421 is hinged in the groove 342, and after the guide post 34 is pulled out, the check plate 3421 is rotated to be abutted against the baffle 32 to prevent the shaft mounting seat 31 from being reset by being pushed by the compression spring 321, so that the interference of installing and removing the first wire feeding wheel 24 is reduced.

The implementation process of the embodiment is as follows: a worker penetrates a wire through the material bundling pipe 21, pulls the handle 341, drives the guide post 34 to move towards the direction far away from the first rotating shaft 241, further drives the second wire feeding wheel 25 to be far away from the first wire feeding wheel 24, is convenient for the worker to place the wire between the first wire feeding wheel 24 and the second wire feeding wheel 25, inserts part of the wire into the material conveying pipe, and then loosens the handle 341 to enable the second wire feeding wheel 25 to be pressed on the wire and the first wire feeding wheel 24; the first stepping motor 242 is started to drive the first rotating shaft 241 to rotate at a fixed angle, so as to drive the first wire feeding wheel 24 to rotate, so that a wire with a fixed length is conveyed, and the wire is accurately conveyed; when the first wire feeding wheel 24 needs to be disassembled, a worker holds the handle 341, pulls the guide post 34 to enable the check plate 3421 to penetrate through the baffle 32, then rotates the check plate 3421 to enable the check plate 3421 to be abutted against the baffle 32 to prevent the rotating shaft mounting seat 31 from resetting, then uses a tool to screw the locking bolt 2442, takes out the locking bolt 2442, and then can take down the first wire feeding wheel 24; the order of mounting the first wire feeding wheel 24 is reverse to the above-described order.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a single-end terminal machine send traditional thread binding putting, includes all installs bunch pipe (21), send traditional thread binding pipe (23) and relative first wire feeding wheel (24) and the second wire feeding wheel (25) that set up on feed plate (3), its characterized in that: a first rotating shaft (241) and a second rotating shaft (251) are respectively arranged on the feeding plate (3), the first wire feeding wheel (24) is coaxially fixed with the first rotating shaft (241), the second wire feeding wheel (25) is coaxially fixed with the second rotating shaft (251), one end, far away from the first wire feeding wheel (24), of the first rotating shaft (241) is connected with a first stepping motor (242), and the first stepping motor (242) is installed below the feeding plate (3);

the feeding plate (3) is connected with a rotating shaft mounting seat (31) used for fixing a second rotating shaft (251) in a sliding mode, the second rotating shaft (251) is connected with the rotating shaft mounting seat (31) in a rotating mode, a baffle (32) is arranged on one side, away from the first rotating shaft (241), of the rotating shaft mounting seat (31), the baffle (32) is installed on the feeding plate (3), and a compression spring (321) is arranged between the baffle (32) and the rotating shaft mounting seat (31).

2. The wire feeding device of a single-ended machine according to claim 1, characterized in that: the compression springs (321) are oppositely arranged at two ends of the rotating shaft mounting seat (31).

3. The wire feeding device of a single-ended machine according to claim 2, characterized in that: the improved rotary feeding device is characterized in that sliding blocks (311) are arranged on two sides of the rotary shaft mounting seat (31), sliding rails (33) for the sliding blocks (311) to slide are arranged on the feeding plate (3), supporting plates (312) are arranged on the top and the bottom of the rotary shaft mounting seat (31) towards one side of the first rotary shaft (241), and the second rotary shaft (251) is rotatably connected with the supporting plates (312).

4. The wire feeding device of a single-ended machine according to claim 3, characterized in that: one side of the rotating shaft mounting seat (31) facing the baffle (32) is provided with a guide post (34), and the guide post (34) penetrates through the baffle (32).

5. The wire feeding device of a single-ended machine according to claim 4, characterized in that: and a handle (341) is arranged at one end of the guide column (34) far away from the rotating shaft mounting seat (31).

6. The wire feeding device of a single-ended machine according to claim 5, characterized in that: the first wire feeding wheel (24) comprises an outer wheel (243) and a shaft sleeve (244), the outer wheel (243) is fixedly connected with the shaft sleeve (244), the shaft sleeve (244) is sleeved on the first rotating shaft (241), a threaded hole (2441) is oppositely formed in the shaft sleeve (244), a locking bolt (2442) is connected to the inner thread of the threaded hole (2441), and the locking bolt (2442) is abutted to the first rotating shaft (241).

7. The wire feeding device of a single-ended machine according to claim 6, characterized in that: the threaded hole (2441) is obliquely arranged towards the direction far away from the feeding plate (3).

8. The wire feeding device of a single-ended machine according to claim 7, characterized in that: a groove (342) is formed in the side face of one end, close to the rotating shaft mounting seat (31), of the guide column (34), and a check plate (3421) is hinged in the groove (342).