TWM524838U - Thread feeding device - Google Patents

Description

Wire feeder

The present invention relates to a wire feeding device, in particular, a nozzle that can be directly assembled, thereby shortening the wire conveying distance and reducing the volume of the wire feeding device, and can be easily combined with the working machines in various fields.

Press, the wire feeding device is used to transport fine wires for repair welding machines, welding machines or machines that are used to repair precision objects. In recent years, with the advent of 3D printers and rapid development, not only has 3D printing technology become more popular, but also materials or wire feeders related to 3D printing have become the focus of research and development or improvement of related companies. Because the existing wire feeding device is bulky, it is difficult to be integrated into the working machine. In addition, if the stability or accuracy of the wire feeding is insufficient, the welding product will be greatly affected and defective.

In order to improve the above-mentioned deficiencies, the Republic of China Patent Publication No. I429575 discloses "a wire feeding roller mechanism" which is provided with a wire roller group and a driving device on the upper and lower sides of the machine base, and is arranged in front of the wire feeding roller group. There is a cylinder slide table, and the vacuum wire feeding device is placed on the cylinder slide table, thereby driving the roller group to convey the wire synchronously through the driving device of the toothed belt pulley group, and the cylinder slide table is synchronously moved, when the wire is smoothly delivered. When the cylinder slide is returned, the roller group holds the wire and uses the vacuum suction to help the wire to maintain straight and stable delivery, so as to achieve the effect of accurately and stably conveying the wire.

The Republic of China Announcement No. M415014 discloses a "portable wire feeding mechanism" which includes a power unit, a driving roller, a wire feeding roller, a pressing roller and a pressure lever handle, and a pressure lever handle through a pressure rod and The arm is connected with the pressing roller, and a sleeve is formed as an inlet nozzle and an outlet nozzle on both sides of the connection between the pressing roller and the wire feeding roller, whereby when the power device drives the driving roller to rotate, the driving roller drives the sending The wire roller rotates, so that the welding wire passes through the wire guide groove provided above the wire feeding roller and the pressing roller, and the effect of adjusting the wire conveying speed can be achieved with a simple structure.

Japanese Laid-Open Patent Publication No. 2003-001421 discloses a "welding wire feeder for a welding machine" which is provided with a first rotation center axis, a second rotation center axis, and a third rotation center axis, which are wound around a first rotation center axis. a wire material, a second rotating central shaft is provided with a driving wheel, a third rotating central shaft is provided with a driven wheel, and the driven wheel is disposed on the lever member, and the lever member is disposed on the mounting bracket, thereby screwing the lever member through the bolt, The driving wheel is brought into contact with the driven wheel, and the wire of the first rotating shaft is passed through the guiding hole and the groove of the driving wheel, and then the nozzle is passed out to prevent the loose and drooping wire from slipping by the anti-slip portion of the driving wheel.

In addition, the Republic of China Announcement No. I225435 discloses a "welding wire feeding device" which forms a wire feeding path between a wire storage container and a welding torch, and sets a plurality of wire feedings in the path. a unit, wherein one of the wire feeding units is provided with a driving source, and a driving force for driving the wire feeding unit can be generated, and the driving force is transmitted to the welding wire by the torque limiter, thereby making the wire In the acceleration or deceleration state, the steady metal wire feeding can be maintained, and the metal wire can be prevented from being bent, and the inert gas can be sprayed toward the welded body by the gas cylinder to block and protect the welded portion.

However, although the above conventional case can achieve the effect of preventing the wire from slipping during the conveying process and accurately stabilizing the conveying wire, the conventional wire feeding device cannot be directly mounted with the nozzle, and has inconvenience in assembly and use.

In view of the fact that the conventional wire feeding device cannot be directly assembled with the nozzle, there is still room for improvement.

Therefore, the purpose of the creation is to form a groove that can be directly provided to the nozzle by the outlet member, thereby shortening the wire conveying distance and reducing the volume of the wire feeding device, so that the wire feeding device can be easily integrated into the working machine in various fields.

In order to achieve the above objective, the present invention provides a wire feeding device comprising: a base; a fixing seat locked to the base; and a pressing mechanism comprising: a pressing seat, the adding One end of the pressure seat is pivotally connected to the base, the other end is provided with a pressing rod; an elastic member is disposed between the fixing seat and the pressing seat; and a passive wheel is pivoted on the pressing seat; a motor is disposed on the base and defines a shaft portion; a driving wheel is disposed on the base and pivotally connected to the shaft portion of the motor, so that the driving wheel is located in contact with the driven wheel, and is disposed on the driving wheel a wire slot; an inlet member locked to the base and having a through hole for transmitting the wire between the driving wheel and the driven wheel; an outlet member locked to the base and the outlet member The upper part is provided with a hole corresponding to the pressing rod, and a groove is formed inside the outlet piece, and the groove is provided with a perforation; a conveying mechanism comprises: a nozzle, the nozzle is sleeved in the groove of the outlet piece, and Forming a through hole corresponding to the through hole of the outlet member; a cover head for being sleeved on the nozzle And having an outlet; and a conveying pipe, which is sequentially disposed through the through hole of the outlet member, the through hole of the nozzle and the outlet of the cover; and at least one idler wheel disposed on the base for guiding the wire conveying path.

Based on the above, after the wire is guided through the idler wheel and the inlet member, the pressing rod of the pressing seat is locked to the hole of the outlet member, and the tightness of the pressing rod is adjusted according to the thickness of the wire, so that the wire is adjusted. The wire clamp is placed between the slot of the driving wheel and the driven wheel, and is passed through the conveying pipe to the nozzle, whereby the driving wheel is driven by the motor and the driven wheel is driven to continuously and stably convey the wire for subsequent processing.

In order to make the technical content of this creative purpose more complete, please refer to the following details, and please refer to the drawings and drawings.

First, referring to FIG. 1 and in conjunction with FIG. 2, the wire feeding device 1 includes a base 10, a fixing base 11, a pressing mechanism 12, a motor 13, a driving wheel 14, and an inlet member 15. An outlet member 16, a conveying mechanism 17, and at least one idler pulley 18; the fixing base 11 is locked to the base 10, and the pressing mechanism 12 includes a pressing seat 121, an elastic member 122 and a driven wheel 123. Wherein, one end of the pressing seat 121 is pivotally connected to the base 10, and the other end is provided with a pressing rod 124. Preferably, the pressing seat 121 is provided with an opening 1211 through which the pressing rod 124 is inserted, and The pressing rod 124 is a wing screw. The elastic member 122 is disposed between the fixing base 11 and the pressing seat 121. Preferably, the elastic member 122 is a spring, and the driven wheel 123 is pivoted to the pressing seat 121. The motor 13 is disposed on the base 10 and defines a shaft portion 131. The driving wheel 14 is disposed on the base 10 and pivotally connected to the shaft portion 131 of the motor 13, so that the driving wheel 14 is in contact with the driven wheel 123, and A slot 141 is defined in the driving wheel 14; the inlet member 15 is locked to the base 10 and has a through hole 151 for transmitting a wire between the driving wheel 14 and the driven wheel 123; 16 is locked on the base 10, and a hole 161 corresponding to the pressing rod 124 is disposed above the outlet member 16, and a groove 162 is formed inside the outlet member 16, and a through hole 163 is defined in the groove 162. The conveying mechanism 17 includes a nozzle 171, a cover 172 and a conveying pipe 173. The nozzle 171 is sleeved in the groove 162 of the outlet member 16, and a through hole 1711 corresponding to the through hole 163 of the outlet member 16 is formed inside. The cover 172 is sleeved on the nozzle 171 and has an outlet 1721. Preferably, the nozzle 171 and the cover 172 are respectively provided with corresponding screw holes 1712 (1722), and can be pierced by a screw 174. The screw hole 1712 of the nozzle 171 is then locked to the screw hole 1722 of the cover head 172. The transport tube 173 is sequentially disposed through the through hole 163 of the outlet member 16, the through hole 1711 of the nozzle 171, and the outlet 1721 of the cover 172. The conveying pipe 173 can be used to convey a thin wire of 0.5 mm or less; and the idler wheel 18 is disposed on the base 10 for guiding the path of the wire feeding.

Next, please refer to FIGS. 1~2 and, as shown in FIG. 3, the elastic member 122 is disposed between the fixing base 11 and the pressing seat 121, and the passive wheel 123 is pivoted through the pivoting member 125. It is disposed on the pressing seat 121, and the pressing seat 121 is pivoted on the base 10 to enable the pressing seat 121 to pivot on the base 10. The base 10 is provided with a motor 13, an inlet member 15, and an outlet. The piece 16 and the plurality of idlers 18 are pivoted to the shaft portion 131 of the motor 13 and are in contact with the driven wheel 123, and the nozzle 171 is placed in the groove 162 of the outlet member 16, and the cover 172 is sleeved. The nozzle 171 is disposed on the screw hole 1722 of the cover 172 by the screw 174, and is locked to the screw hole 1712 of the nozzle 171, and the outlet 1721 of the cover 172, the through hole 1711 of the nozzle 171, and the outlet member 16 are The through hole 163 and the through hole 151 of the inlet member 15 correspond to each other for the passage of the conveying pipe 173, and constitute the wire feeding device 1 (as shown in Fig. 4).

Next, please refer to FIG. 5, which is a schematic diagram used in the present invention. When used, the wire 2 is pulled out by the reel 3, passes through the idler 18 and penetrates through the through hole 151 of the inlet member 15, so that the wire 2 can be guided. Immediately after the predetermined path, it is placed in the slot 141 of the driving wheel 14 and penetrates into the conveying pipe 173. At this time, the pressing seat 121 is pivoted on the base 10 while compressing the elastic member 122, so that the driven wheel 123 can be just right. The wire rod 2 is placed between the driving wheel 14 and the driven wheel 123, and after the pressing seat 121 is adjusted to the appropriate position according to the thickness of the wire 2, the pressing rod 124 is locked at the outlet. The hole 161 of the piece 16 (shown by the direction of the arrow in the figure) is used to complete the installation of the wire 2. Thereby, when the motor 13 drives the shaft portion 131 to rotate the driving wheel 14 while driving the driven wheel 123 to rotate synchronously, the wire 2 located between the driving groove 14 and the driven wheel 123 is transferred to the conveying pipe 173 for subsequent processing. It is used (with reference to Figure 6) and can be guided by the idler 18 of the base 10 and the perforations 151 of the inlet member 15 to assist in guiding the wire 2 to avoid the wire 2 from deflecting the path during transport.

Therefore, the use of the wire feeding device of the present invention can obviously achieve the following effects: 1. The wire feeding device of the present invention can adjust the contact position of the passive wheel and the driving wheel according to the thickness of the wire through the pressing mechanism, and is provided at the base. The lead wire is routed to the idler wheel and the inlet member of the correct path, so that the wire is not easy to be slack when being transported by the reel under the driving of the motor, and can stably transmit without offset, and can control the motor rotation speed to adjust the wire conveying speed, and further, the conveying pipe is available Deliver fine lines of 0.5mm or less to improve the precision of repair. 2. The wire feeding device of the present invention can be used for the user to wear or replace the wire and maintain the driving wheel and the passive wheel when the pressing seat is opened, and can set the wire grooves of different widths in the plurality of driving wheels, so that The drive wheel is replaced by the thickness of the wire to improve the convenience of the wire feeder. 3. The wire feeding device of the present invention has a simple structure and a small volume, and is not only convenient for handling and assembly, but also can be combined with working machines in various fields to increase practicability.

However, the above descriptions are merely preferred embodiments of the present invention, and are not intended to limit the scope of implementation of the present invention. Any changes and modifications that are not departing from the spirit of the present invention are covered by the scope of the present invention.

In summary, this creation has indeed broken through the tradition and has improved and innovative creation content and can be specifically implemented. It should meet the statutory requirements of the new patent, and file a patent application according to law, and invite the examination committee of the bureau to grant legal patent rights. Creation, to the sense of virtue.

This creation:
1‧‧‧Feeding device 10‧‧‧Pedestal 11‧‧‧Fixed seat 12‧‧‧ Pressing mechanism 121‧‧‧ Pressing seat 1211‧‧‧ Opening 122‧‧‧ Elastic parts 123‧‧‧ Moving wheel 124‧‧‧Pressure rod 125‧‧‧Pivot part 13‧‧‧Motor 131‧‧‧Axis 14‧‧"Initiative wheel 141‧‧ Threading groove 15‧‧‧Accessory 151‧‧‧Perforated 16 ‧‧‧Exports 161‧‧ Holes 162‧‧‧ Grooves 163‧‧‧Perforated 17‧‧‧Transporting Mechanism 171‧‧‧Nozzles 1711‧‧‧ Through Hole 1712‧‧‧ Screw Holes 172‧‧ Cover Head 1721‧‧‧Export 1722‧‧ ‧ screw hole 173‧‧ ‧ duct 174‧‧ ‧ screw 18‧‧‧ idler 2‧‧‧ wire 3‧‧‧ reel

The first picture is a three-dimensional exploded view of the creation. Figure 2 is an exploded perspective view of another angle of the creation. Figure 3 is a cross-sectional view of the creation. Figure 4 is a perspective view of the creation. Figures 5 to 6 are schematic diagrams used in this creation.

1‧‧‧Wire delivery device

10‧‧‧ Pedestal

11‧‧‧ Fixed seat

12‧‧‧ Pressurizing mechanism

121‧‧‧ Pressing seat

1211‧‧‧Opening

122‧‧‧Flexible parts

123‧‧‧passive wheel

124‧‧‧Pressure rod

125‧‧‧ pivotal parts

13‧‧‧Motor

131‧‧‧Axis

14‧‧‧Drive wheel

141‧‧‧ wire trough

15‧‧‧Accessory

151‧‧‧Perforation

16‧‧‧Exports

161‧‧‧ hole slot

162‧‧‧ Groove

17‧‧‧Transportation agency

171‧‧‧ nozzle

1711‧‧‧through hole

1712‧‧‧ screw hole

172‧‧‧ hood

1721‧‧ Export

1722‧‧‧ screw hole

173‧‧‧ delivery tube

174‧‧‧Spiral firmware

18‧‧‧ idler

Claims (5)

A wire feeding device comprising: a base; a fixing base locked to the base; a pressing mechanism comprising: a pressing seat, one end of the pressing seat pivotally connected to the base The other end is provided with a pressing rod; an elastic member disposed between the fixing seat and the pressing seat; and a driven wheel pivotally disposed on the pressing seat; a motor disposed on the base And a driving portion is disposed on the base and pivotally connected to the shaft portion of the motor, so that the driving wheel is located in contact with the driven wheel, and a slot is provided on the driving wheel An inlet member is locked to the base and has a through hole for transmitting a wire between the driving wheel and the driven wheel; an outlet member locked to the base, and the outlet member An upper hole corresponding to the pressing rod is disposed, and a groove is formed in the outlet member, and the groove is provided with a through hole; a conveying mechanism comprises: a nozzle, the nozzle is sleeved on the outlet member a groove and a pair of through holes for the perforation of the outlet member; a cover for the sleeve Disposed on the nozzle and having an outlet; and a conveying pipe sequentially passing through the through hole of the outlet member, the through hole of the nozzle and the outlet; and at least one idler wheel disposed on the base for guiding The path of the wire transport. The wire feeding device of claim 1, wherein the elastic member is a spring. The wire feeding device of claim 1, wherein the pressing rod is a wing screw and is locked to the hole of the outlet member. The wire feeding device of claim 1, wherein the conveying pipe can convey a wire of 0.5 mm or less. The wire feeding device of claim 1, wherein the nozzle and the cover are respectively provided with screw holes corresponding to each other, and can be screwed to the screw hole of the nozzle by a screw and then locked to the screw hole of the cover head. .