CN217350166U

CN217350166U - Wire feeder based on worm and worm wheel drive

Info

Publication number: CN217350166U
Application number: CN202221006738.5U
Authority: CN
Inventors: 黄金莲
Original assignee: Dongguan Hengxin Laser Equipment Co ltd
Current assignee: Dongguan Hengxin Laser Equipment Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-09-02
Anticipated expiration: 2032-04-28

Abstract

The utility model relates to the technical field of wire feeders, in particular to a wire feeder based on worm and worm gear drive, which comprises a frame, a driving mechanism and a straightening mechanism, wherein the driving mechanism and the straightening mechanism are arranged on the frame; the driving mechanism comprises a worm and worm gear speed reducer and a driving wheel, and an output shaft of the worm and worm gear speed reducer is connected with the driving wheel; the straightening mechanism comprises a driven wheel and a pressing wheel, and a channel through which a metal wire can pass is formed between the pressing wheel and the driven wheel; the driven wheel is tangent to the driving wheel, and when the driving wheel rotates, the driven wheel is driven to rotate. The utility model discloses simple structure drives the action wheel, rotates from the driving wheel through worm gear reducer, is sending the silk in-process and guaranteeing the sharp of wire and carrying.

Description

Wire feeder based on worm and worm gear drive

Technical Field

The utility model relates to a send a quick-witted technical field, indicate especially a send a machine based on worm and worm gear drive.

Background

The wire feeder is a mechanical device for transferring and conveying metal wires in the welding process, and solves the problems of low speed and instability of the traditional manual wire feeding. The existing wire feeder consists of a wire feeding wheel and a pressing wheel, wherein a metal wire is tightly pressed on the wire feeding wheel through the pressing wheel, and the wire feeding wheel drives the metal wire to move through friction force in the transmission process, so that the continuous wire feeding is carried out.

However, the wire feeder is unstable in conveying the metal wires, the metal wires are easy to be knotted and wound in the conveying process, and the working progress is seriously affected.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a send silk machine based on worm and worm wheel drive, simple structure to guarantee the straight line of wire and carry.

In order to achieve the above object, the utility model adopts the technical scheme that a wire feeder based on worm and worm gear drive is provided, which comprises a frame, a driving mechanism and a straightening mechanism, wherein the driving mechanism and the straightening mechanism are arranged on the frame; the driving mechanism comprises a worm and worm gear speed reducer and a driving wheel, and an output shaft of the worm and worm gear speed reducer is connected with the driving wheel; the straightening mechanism comprises a driven wheel and a pressing wheel, and a channel for a metal wire to pass through is formed between the pressing wheel and the driven wheel; the driven wheel is tangent to the driving wheel, and the driving wheel drives the driven wheel to rotate when rotating.

As a preferred scheme, the driving mechanism further comprises a stepping motor, and the output end of the stepping motor is connected with the input end of the worm and worm gear speed reducer.

As a preferable scheme, the frame is of a plate-shaped structure, the stepping motor and the worm and worm gear reducer are installed on one surface of the frame, and the driving wheel and the straightening mechanism are installed on the other surface of the frame; and an output shaft of the worm and worm gear speed reducer penetrates through the rack and is inserted in the rack.

As a preferable scheme, the straightening mechanism comprises two driven wheels and two pressing wheels, the two driven wheels are installed on the same horizontal line, and the pressing wheels are installed right above the driven wheels.

As a preferable scheme, the straightening mechanism further comprises a mounting seat, the mounting seat is mounted on the frame, and the driven wheel and the pressing wheel are mounted on the mounting seat; and an output shaft of the worm and worm gear speed reducer penetrates through the mounting seat and is connected with the driving wheel.

As a preferable scheme, the straightening mechanism further comprises a wire guide piece, wherein the wire guide piece is installed between the two pressing wheels and is suspended on the driving wheel; the guide wire piece is provided with a guide hole corresponding to the channel.

As a preferable scheme, two sides of the mounting seat are provided with a wire feeding guide hole and a wire discharging guide hole, and the wire feeding guide hole, the wire discharging guide hole, the guide hole and the channel are located on the same axis.

As a preferred scheme, the wire feeder further comprises a housing, the frame is mounted in the housing, and the housing is provided with corresponding inlets and outlets corresponding to the wire feeding guide hole and the wire discharging guide hole.

As a preferable scheme, a visible window is arranged at the position of the casing corresponding to the straightening mechanism.

Preferably, the wire feeder further comprises a controller, the controller is mounted on the frame, and the driving mechanism is electrically connected to the controller.

The beneficial effects of the utility model reside in that:

the utility model has simple structure, the worm and worm gear reducer drives the driving wheel to rotate, the driving wheel drives the driven wheel of the straightening mechanism to rotate, and the driven wheel drives the metal wire to convey; because the pinch roller is arranged above the driven wheel, the metal wire is guided by the channel between the pinch roller and the driven wheel, the linear conveying of the metal wire is ensured, the guidance performance is good, and the conveying is stable.

Drawings

Fig. 1 is a schematic structural view of the wire feeder of the present invention.

Fig. 2 is an exploded view of the wire feeder of the present invention.

Fig. 3 is an exploded view of another angle of the wire feeder of fig. 2.

FIG. 4 is a schematic view showing the structure of the straightening mechanism of the present invention.

The reference numbers illustrate: 10-a housing; 101-a first housing; 102-a second housing; 103-hinge; 104-a hasp; 105-hooking; 106-inlet; 107-outlet; 108-a visual window; 20-a frame; 201-a first via; 30-a controller; 50-a drive mechanism; 501-a step motor; 502-worm and worm gear reducer; 503-a driving wheel; 40-a straightening mechanism; 401-a mount; 402-a driven wheel; 403-pinch rollers; 404-a wire guide; 405-a second via; 406-wire feed guide hole; 407-a guide hole for wire discharge; 408-guide holes.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or connected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, the present invention relates to a wire feeder driven by a worm and a worm gear, including a housing 10, a frame 20, and a controller 30, a driving mechanism 50 and a straightening mechanism 40 mounted on the frame 20, wherein the frame 20 is mounted in the housing 10; the driving mechanism 50 comprises a stepping motor 501, a worm and worm gear speed reducer 502 and a driving wheel 503, wherein the input end of the stepping motor 501 is connected with the controller 30, the output end of the stepping motor 501 is connected with the input end of the worm and worm gear speed reducer 502, and the output shaft of the worm and worm gear speed reducer 502 is connected with the driving wheel 503; the straightening mechanism 40 comprises a driven wheel 402 and a pinch roller 403, and a channel through which the metal wire can pass is formed between the pinch roller 403 and the driven wheel 402; the driven wheel 402 is tangent to the driving wheel 503, and when the driving wheel 503 rotates, the driven wheel 402 is driven to rotate.

The utility model has simple structure, the worm and worm gear speed reducer 502 drives the driving wheel 503 to rotate, the driving wheel 503 drives the driven wheel 402 of the straightening mechanism 40 to rotate, and the driven wheel 402 drives the metal wire to convey; because the pinch roller 403 is arranged above the driven wheel 402, the metal wire is guided by the channel between the pinch roller 403 and the driven wheel 402, so that the linear conveying of the metal wire is ensured, the guiding performance is good, and the conveying is stable.

In addition, the driving mechanism 50 of the utility model adopts the stepping motor 501, the speed control is more accurate, and the worm and worm gear reducer 102 is used in a matching way, so that the equipment is more stable; because the wire feeder is internally provided with the independent controller 30, the wire feeder can be matched with robots of different manufacturers for use.

The casing 10 is a detachable structure, and includes a first casing 101 and a second casing 102, one side of the first casing 101 and the second casing 102 is hinged by a hinge 103, and the other side (the other side may be an opposite side, or an adjacent side in this embodiment) is connected by a snap 104 and a hook 105. The frame 20 is a plate-shaped structure, and the frame 20 is arranged between the first casing 101 and the second casing 102 to divide the whole casing 10 into two chambers; wherein, the stepping motor 501 and the worm and worm gear reducer 502 of the driving mechanism 50 and the controller 30 are installed on one surface of the frame 20, and the surface is matched with the first casing 101 to form a chamber; the driving wheel 503 and the straightening mechanism 40 are installed on the other side of the frame 20, and the other side is matched with the second shell 102 to form another chamber; the frame 20 is provided with a first through hole 201 through which an output shaft of the worm and worm gear speed reducer 502 can pass, the aperture of the first through hole 201 is larger than the diameter of the output shaft, and the output shaft of the worm and worm gear speed reducer 502 passes through the first through hole 201 inserted in the frame 20.

In order to observe the wire feeding condition conveniently, the second shell 102 is provided with a visible window 108 corresponding to the position of the straightening mechanism 40. Since the wire reel is not provided in the wire feeder and the wire is introduced into the housing 10 from the outside, the second housing 102 is provided at both sides thereof with respective inlets 106 and outlets 107.

As shown in fig. 4, the straightening mechanism 40 includes a mounting base 401 mounted on the frame 20, a wire guide 404 mounted on the mounting base 401, two driven wheels 402 and two pinch rollers 403, a driving wheel 503 is mounted on the mounting base 401, and an output shaft of a worm and worm gear speed reducer 502 is inserted through the mounting base 401 and connected with the driving wheel 503; the thread guide 404 is mounted between the two pinch rollers 403 and suspended from the capstan 503; the guide wire piece 404 is provided with a guide hole 408 corresponding to the channel, and the guide wire piece 404 can guide the metal wire from the position between one group of driven wheels 402 and the pressing wheel 403 to the other group of driven wheels 402 and the pressing wheel 403, so that the linear transportation of the metal wire is ensured; the guide hole 408 may be further guided by inserting a guide wire tube (not shown); two driven wheels 402 are arranged on the same horizontal line, a pinch roller 403 is arranged right above the driven wheels 402, and the two driven wheels 402 are driven to rotate simultaneously through a driving wheel 503, so that the synchronism in the conveying process can be ensured.

The mounting seat 401 is provided with a second through hole 405 through which an output shaft of the worm and worm gear reducer 502 can pass, and the diameter of the second through hole 405 is larger than the diameter of the output shaft.

The two sides of the mounting seat 401 are provided with a wire feeding guide hole 406 and a wire discharging guide hole 107, and the inlet 106 of the second housing 102, the wire feeding guide hole 406 of the mounting seat 401, the guide hole 408 of the wire guiding member 404, the wire discharging guide hole 107 of the mounting seat 401, and the channels formed by the pressing wheel 403 and the driven wheel 402 are located on the same axis and jointly form a wire feeding channel.

To prevent the wire from buckling during transport, the driven wheel 402 or the pinch wheel 403 or both are provided with hook grooves (not shown) so that the wire can be accurately aligned with the grooves.

The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.

Claims

1. The utility model provides a send silk machine based on worm and worm wheel drive which characterized in that: comprises a frame, a driving mechanism and a straightening mechanism, wherein the driving mechanism and the straightening mechanism are arranged on the frame; the driving mechanism comprises a worm and worm gear speed reducer and a driving wheel, and an output shaft of the worm and worm gear speed reducer is connected with the driving wheel; the straightening mechanism comprises a driven wheel and a pinch roller, and a channel through which a metal wire can pass is formed between the pinch roller and the driven wheel; the driven wheel is tangent to the driving wheel, and the driving wheel drives the driven wheel to rotate when rotating.

2. The wire feeder based on the worm and worm gear drive of claim 1, wherein: the driving mechanism further comprises a stepping motor, and the output end of the stepping motor is connected with the input end of the worm and worm gear speed reducer.

3. The wire feeder based on the worm and worm gear drive of claim 2, wherein: the rack is of a plate-shaped structure, the stepping motor and the worm and worm gear speed reducer are installed on one surface of the rack, and the driving wheel and the straightening mechanism are installed on the other surface of the rack; and an output shaft of the worm and worm gear speed reducer penetrates through the rack and is inserted in the rack.

4. The wire feeder based on the worm and worm gear drive of claim 1, wherein: the straightening mechanism comprises two driven wheels and two pinch rollers, the two driven wheels are arranged on the same horizontal line, and the pinch rollers are arranged right above the driven wheels.

5. The worm and worm gear drive-based wire feeder of claim 4, wherein: the straightening mechanism further comprises a mounting seat, the mounting seat is mounted on the rack, and the driven wheel and the pinch roller are mounted on the mounting seat; and an output shaft of the worm and worm gear speed reducer penetrates through the mounting seat and is connected with the driving wheel.

6. The wire feeder based on the worm and worm gear drive of claim 5, wherein: the straightening mechanism further comprises a wire guide piece, wherein the wire guide piece is installed between the two pressing wheels and is suspended on the driving wheel; the guide wire piece is provided with a guide hole corresponding to the channel.

7. The wire feeder based on the worm and worm gear drive of claim 6, wherein: wire feeding guide holes and wire discharging guide holes are formed in the two sides of the mounting seat, and the wire feeding guide holes, the wire discharging guide holes, the guide holes and the channels are located on the same axis.

8. The wire feeder based on the worm and worm gear drive of claim 7, wherein: the wire feeder further comprises a casing, the frame is mounted in the casing, and the casing is provided with corresponding inlets and outlets corresponding to the wire feeding guide holes and the wire discharging guide holes.

9. The wire feeder based on the worm and worm gear drive of claim 8, wherein: and a visible window is arranged at the position of the casing corresponding to the straightening mechanism.

10. The worm and worm gear drive based wire feeder of claim 1, wherein: the wire feeder further comprises a controller, the controller is installed on the rack, and the driving mechanism is electrically connected with the controller.