CN219665365U - Servo wire feeding structure - Google Patents
Servo wire feeding structure Download PDFInfo
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- CN219665365U CN219665365U CN202320617240.0U CN202320617240U CN219665365U CN 219665365 U CN219665365 U CN 219665365U CN 202320617240 U CN202320617240 U CN 202320617240U CN 219665365 U CN219665365 U CN 219665365U
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- wire feeding
- wire
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- welding
- worm
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- 238000003466 welding Methods 0.000 claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 230000002457 bidirectional effect Effects 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 238000012840 feeding operation Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a servo wire feeding structure, relates to the technical field of welding robots, and aims at solving the problems that a wire feeding mechanism for an existing welding robot is unstable in wire feeding, relatively poor in wire feeding accuracy and uncontrollable in wire feeding speed, and the situation that a welding wire is inconvenient to position and easily deviates when fed, the servo wire feeding structure comprises a wire feeding box fixedly arranged on the welding robot, a welding gun is fixedly arranged on the outer wall of the bottom of the wire feeding box, and a sequential servo wire feeding mechanism and a positioning mechanism are arranged in the wire feeding box. The utility model is designed with a servo wire feeding mechanism, the wire feeding speed can be flexibly controlled by the servo motor, the wire feeding accuracy is improved, and the stability of wire feeding is ensured by the meshing transmission of the worm and the worm wheel; the welding wire locating device is designed with the locating mechanism to locate the welding wire positioned between the two locating rollers, so that the situation of deviation in the wire feeding process is avoided, the repeated correction time of workers is saved, and the wire feeding efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of welding robots, in particular to a servo wire feeding structure.
Background
At present, a wire feeding structure is generally installed on a mechanical arm of a welding robot, and welding wires are automatically fed onto a welding gun for use through the wire feeding structure.
The patent of application number 201721755707.9, which is searched, discloses a welding robot with a novel wire feeding structure, which comprises a base, a robot body and a wire feeding mechanism. Although the above patent has certain advantages, the following disadvantages still exist in the actual use process:
firstly, when a wire feeding motor is adopted to control a wire feeding wheel to feed wires, the existing wire feeding mechanism for the welding robot has the problems of unstable wire feeding, relatively poor wire feeding precision and uncontrollable wire feeding speed;
secondly, the existing wire feeding mechanism for the welding robot is inconvenient to position the welding wire, so that the welding wire is easy to deviate in the wire feeding process, a worker is required to repeatedly correct the welding wire, and wire feeding efficiency is reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a servo wire feeding structure, which overcomes the defects of the prior art through design, and effectively solves the problems of unstable wire feeding, relatively poor wire feeding accuracy and uncontrollable wire feeding speed of the conventional wire feeding mechanism for the welding robot and the situation that the welding wire is inconvenient to position and easily deviates during wire feeding.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a servo wire feed structure, includes the wire feed case that sets firmly on welding robot, wire feed case's bottom outer wall fixed mounting has welder, be equipped with servo wire feed mechanism and positioning mechanism in proper order in the wire feed case, and servo wire feed mechanism includes from locking-type drive assembly, rotation installation in the pivot of wire feed incasement, set firmly in pivot on the wire feed wheel and the wire of wire wrap-around on the wire feed wheel, from locking-type drive assembly including set firmly in the servo motor of wire feed case lateral wall, rotate the transmission shaft of installing in wire feed incasement, fixed mounting in epaxial worm of transmission and set firmly in the pivot and with worm wheel of worm meshing.
Through adopting above-mentioned technical scheme, through the epaxial worm rotation of servo motor control transmission, follow and worm wheel control pivot epaxial wire feed wheel rotation with worm meshing carries out wire feeding operation, can control wire feeding speed in a flexible way by servo motor control like this, has improved wire feeding accuracy, by worm and worm wheel meshing transmission, has guaranteed the stability of wire feeding.
Preferably, the positioning mechanism comprises a bidirectional screw rod rotatably arranged in the wire feeding box, two centering rods symmetrically screwed at two opposite threaded ends of the bidirectional screw rod, a guide post fixedly arranged in the wire feeding box and two positioning rollers symmetrically fixedly arranged on the outer walls of the tops of the two centering rods.
Through adopting above-mentioned technical scheme, drive two positioning roller pairs through two centering bars of rotation control of two-way screw rod and draw close, fix a position the welding wire that is in the middle of two positioning roller, avoided appearing the off tracking in wire feeding in-process condition, saved the time that the workman rectified repeatedly, improved wire feeding efficiency.
Preferably, a wire outlet is formed in the bottom of the wire feeding box, and the bottom end of the welding wire penetrates through the wire outlet and extends into the welding gun.
Through adopting above-mentioned technical scheme, guaranteed that the welding wire can be by the effectual welding use that carries to welding gun in.
Preferably, the output shaft of the servo motor extends into the wire feeding box and is fixedly connected with one end of the transmission shaft in a coaxial manner through a coupler.
By adopting the technical scheme, the servo motor is ensured to control the transmission shaft to normally rotate.
Preferably, a hand wheel is fixedly arranged on the outer wall of the front end of the bidirectional screw.
Through adopting above-mentioned technical scheme, make things convenient for the better control two-way screw rod of workman to rotate by the hand wheel.
Preferably, the two centering rods are provided with guide holes, and the inner walls of the two guide holes are slidably connected with the outer walls of the guide posts.
By adopting the technical scheme, the two centering rods can be conveniently ensured to do linear motion.
The beneficial effects of the utility model are as follows:
1. the servo wire feeding mechanism is designed, the worm on the transmission shaft is controlled to rotate through the servo motor, then the worm wheel meshed with the worm is used for controlling the wire feeding wheel on the rotating shaft to rotate for wire feeding operation, so that the wire feeding speed can be flexibly controlled through the control of the servo motor, the wire feeding accuracy is improved, and the stability of wire feeding is ensured through the meshing transmission of the worm and the worm wheel;
2. the welding wire feeding device is provided with the positioning mechanism, the two centering rods are controlled to drive the two positioning rollers to centering and close through the rotation of the bidirectional screw, welding wires in the middle of the two positioning rollers are positioned, the phenomenon of deviation in the wire feeding process is avoided, the time for repeated correction of workers is saved, and the wire feeding efficiency is improved.
Drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;
FIG. 2 is a schematic view of a three-dimensional structure of the utility model with the top of the feeder box cut away;
FIG. 3 is a schematic view of the three-dimensional structure of the interior of the wire feeder box of the present utility model;
FIG. 4 is a schematic three-dimensional structure of the positioning mechanism according to the present utility model;
FIG. 5 is a schematic view of a three-dimensional structure of a wire outlet according to the present utility model.
In the figure: 1. a welding robot; 2. a wire feeding box; 3. a welding gun; 4. a rotating shaft; 5. wire feeding wheel; 6. a welding wire; 7. a servo motor; 8. a transmission shaft; 9. a worm; 10. a worm wheel; 11. a bidirectional screw; 12. centering rod; 13. a guide post; 14. positioning rollers; 15. a hand wheel; 16. a guide hole; 17. and (5) a wire outlet hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Embodiment 1, referring to fig. 1-3 and 5, a servo wire feed structure includes a welding robot 1, a wire feed box 2, a welding gun 3, and a servo wire feed mechanism;
wire feeding box 2 fixed mounting is on welding robot 1, welder 3 fixed mounting in wire feeding box 2's bottom outer wall, and servo wire feeding mechanism includes following parts:
the rotating shaft 4 and the wire feeding wheel 5: the rotating shaft 4 is respectively connected with the inner walls of the front side and the rear side of the wire feeding box 2 through two bearings, and the wire feeding wheel 5 is fixedly sleeved in the middle of the rotating shaft 4;
welding wire 6: the welding wire 6 is wound on the wire feeding wheel 5, a wire outlet hole 17 is formed in the bottom of the wire feeding box 2, and the bottom end of the welding wire 6 penetrates through the wire outlet hole 17 and extends into the welding gun 3;
self-locking drive assembly: the self-locking driving assembly comprises a servo motor 7 fixed on the side wall of the wire feeding box 2 through a bolt, a transmission shaft 8, a worm 9 and a worm wheel 10, wherein one end of the transmission shaft 8 is connected with the inner wall of one side of the wire feeding box 2 through a bearing, the worm 9 is fixedly arranged on the transmission shaft 8, the worm wheel 10 is fixedly sleeved on the rotating shaft 4 and meshed with the worm 9, and an output shaft of the servo motor 7 extends into the wire feeding box 2 and is coaxially and fixedly connected with the other end of the transmission shaft 8 through a coupler;
in the embodiment, the worm 9 on the transmission shaft 8 is controlled to rotate by the servo motor 7, and then the worm wheel 10 meshed with the worm 9 controls the wire feeding wheel 5 on the rotation shaft 4 to rotate for wire feeding operation, so that the wire feeding speed can be flexibly controlled by the servo motor 7, the wire feeding accuracy is improved, and the worm 9 and the worm wheel 10 are meshed for transmission, so that the wire feeding stability is ensured.
Example 2, with reference to fig. 2-4, this example is optimized on the basis of example 1, specifically: the servo wire feeding structure further comprises a positioning mechanism, wherein the positioning mechanism comprises the following components:
bidirectional screw 11: the bidirectional screw 11 is respectively connected with the inner walls of the front side and the rear side of the wire feeding box 2 in a penetrating way through two bearings, and a hand wheel 15 is fixedly arranged on the outer wall of the front end of the bidirectional screw 11;
two centering bars 12: the two centering rods 12 are symmetrically screwed on two opposite threaded ends of the bidirectional screw 11, and guide holes 16 are formed in the two centering rods 12;
guide post 13: the guide posts 13 are welded in the wire feeding box 2, and the inner walls of the two guide holes 16 are in sliding connection with the outer walls of the guide posts 13;
two positioning rollers 14: the two positioning rollers 14 are symmetrically fixed on the top outer walls of the two centering rods 12;
in the embodiment, the two centering rods 12 are controlled to drive the two positioning rollers 14 to centering and close through the rotation of the bidirectional screw 11, and the welding wire 6 positioned in the middle of the two positioning rollers 14 is positioned, so that the situation of deviation in the wire feeding process is avoided, the time for repeated correction of workers is saved, and the wire feeding efficiency is improved.
Working principle: when the welding wire positioning device is used, firstly, the bidirectional screw rod 11 is controlled to rotate through the hand wheel 15, and the two centering rods 12 drive the two positioning rollers 14 to be centered and close under the conditions of the guide post 13 and limiting, so that the welding wire 6 positioned between the two positioning rollers 14 is positioned;
secondly, the servo motor 7 controls the worm 9 on the transmission shaft 8 to rotate, and then the worm wheel 10 meshed with the worm 9 controls the wire feeding wheel 5 on the rotating shaft 4 to rotate so as to feed the welding wire 6 into the welding gun 3, so that wire feeding operation is completed.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides a servo wire feed structure, includes wire feed case (2) that set firmly on welding robot (1), wire feed case (2) bottom outer wall fixed mounting has welder (3), a serial communication port, be equipped with servo wire feed mechanism and positioning mechanism in proper order in wire feed case (2), and servo wire feed mechanism includes self-locking drive assembly, rotates pivot (4) of installing in wire feed case (2), wire feed wheel (5) and wire winding welding wire (6) on wire feed wheel (5) set firmly on pivot (4).
2. The servo wire feeding structure according to claim 1, wherein the self-locking driving assembly comprises a servo motor (7) fixedly arranged on the side wall of the wire feeding box (2), a transmission shaft (8) rotatably arranged in the wire feeding box (2), a worm (9) fixedly arranged on the transmission shaft (8) and a worm wheel (10) fixedly arranged on the rotating shaft (4).
3. The servo wire feeding structure according to claim 1, wherein the positioning mechanism comprises a bidirectional screw rod (11) rotatably installed in the wire feeding box (2), two centering rods (12) symmetrically screwed on two opposite threaded ends of the bidirectional screw rod (11), a guide post (13) fixedly arranged in the wire feeding box (2) and two positioning rollers (14) symmetrically fixedly arranged on the top outer walls of the two centering rods (12).
4. The servo wire feeding structure according to claim 1, wherein the wire feeding box (2) is provided with a wire outlet (17) at the bottom, and the bottom end of the welding wire (6) penetrates through the wire outlet (17) and extends into the welding gun (3).
5. A servo wire feeding structure according to claim 2, characterized in that the output shaft of the servo motor (7) extends into the wire feeding box (2) and is fixedly connected coaxially with one end of the transmission shaft (8) through a coupling, and the worm (9) is meshed with the worm wheel (10).
6. A servo wire feeding structure according to claim 3, wherein a hand wheel (15) is fixedly mounted on the outer wall of the front end of the bidirectional screw (11).
7. A servo wire feeding structure according to claim 3, wherein the two centering rods (12) are provided with guide holes (16), and the inner walls of the two guide holes (16) are slidably connected with the outer walls of the guide posts (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320617240.0U CN219665365U (en) | 2023-03-27 | 2023-03-27 | Servo wire feeding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320617240.0U CN219665365U (en) | 2023-03-27 | 2023-03-27 | Servo wire feeding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219665365U true CN219665365U (en) | 2023-09-12 |
Family
ID=87896013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320617240.0U Active CN219665365U (en) | 2023-03-27 | 2023-03-27 | Servo wire feeding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219665365U (en) |
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2023
- 2023-03-27 CN CN202320617240.0U patent/CN219665365U/en active Active
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