CN111822848A

CN111822848A - Automatic welding wire feeding device

Info

Publication number: CN111822848A
Application number: CN202010735525.5A
Authority: CN
Inventors: 张敏; 王伟
Original assignee: Dimu Automatic Equipment Suzhou Co ltd
Current assignee: Dimu Automatic Equipment Suzhou Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2020-10-27

Abstract

The invention discloses an automatic welding wire feeding device which comprises a wire releasing mechanism, wherein the wire releasing mechanism comprises a first mounting frame and a motor arranged at one end of the first mounting frame, a transmission shaft of the motor is provided with a coupler, the coupler is connected with a mounting shaft, and a first locking member, a wire winding roll and a second locking member are sequentially sleeved on the mounting shaft. Also comprises a wire feeding mechanism and a wire breaking mechanism. The safety is high, the efficiency is high, and the accuracy is high.

Description

Automatic welding wire feeding device

Technical Field

The invention relates to the field of welding, in particular to an automatic welding wire feeding device.

Background

The pressure welding of a section of silver-plated copper wire on the needle is a process for producing the automobile reversing radar product, the existing welding device needs manual operation,

in order to realize the automation of the process, the company designs a set of automatic welding wire feeding device, can realize the automatic feeding of the welding wires, does not need manual operation, and has high safety degree, high efficiency and accurate positioning.

Disclosure of Invention

In order to overcome the defects in the prior art, the embodiment of the invention provides the automatic welding wire feeding device which is high in safety, efficiency and accuracy.

In order to achieve the above object, the embodiment of the present application discloses a welding wire automatic feeding device, including:

the wire releasing mechanism comprises a first mounting frame and a motor arranged at one end of the first mounting frame, a shaft coupling is arranged on a transmission shaft of the motor, an installation shaft is connected to the shaft coupling, and a first locking member, a wire winding roll and a second locking member are sequentially sleeved on the installation shaft; the first mounting frame is further provided with a sleeve, the sleeve is arranged corresponding to the wire winding roll, and a central shaft of the sleeve is perpendicular to a central shaft of the wire winding roll; the wire feeding mechanism further comprises a balancing weight and a first pulley, wherein a first supporting column is arranged on the balancing weight, a second supporting column vertically penetrates through the first supporting column, the second supporting column is sleeved with the first pulley, the first pulley can rotate on the second supporting column, and the direction of the central axis of the first pulley is parallel to the direction of the central axis of the second supporting column;

the wire feeding mechanism comprises a first fixing plate and a first sliding rail arranged on the first fixing plate, a second fixing plate is arranged on the first sliding rail and can move on the first sliding rail, a first air cylinder is arranged on the second fixing plate, a piston rod of the first air cylinder is in transmission connection with a second air cylinder, and the motion direction of the piston rod of the first air cylinder is perpendicular to the motion direction of the piston rod of the second air cylinder; a piston rod of the second cylinder is in transmission connection with a third fixing plate, a clamping device and a guide device are arranged on the third fixing plate, and the clamping device is arranged at the upstream of the guide device;

and the wire breaking mechanism is arranged at the downstream of the guide device.

Preferably, two ends of the sleeve are respectively provided with a fork-shaped grating.

Preferably, the third fixing plate is further provided with a first adjusting device, the first adjusting device comprises a first sliding table arranged on the third fixing plate, the first sliding table is provided with a T-shaped fourth fixing plate, and the fourth fixing plate can slide on the sliding table; the fourth fixing plate is further provided with a fifth fixing plate, a second sliding table is fixed on the fifth fixing plate, a sixth fixing plate is arranged on the second sliding table, and the clamping device and the guide device are arranged on the sixth fixing plate.

Preferably, the guide means comprises a guide plate and a cover plate; the guide plate is fixed on the sixth fixing plate and is perpendicular to the sixth fixing plate, a first groove is formed in the guide plate, the cover plate is arranged on the guide plate, and the cover plate is arranged on the first groove.

Preferably, the clamping device comprises a first jaw and a second jaw; the first clamping jaw is arranged on the sixth fixing plate, a third cylinder is further arranged on the sixth fixing plate, a second clamping jaw is connected to a piston rod of the third cylinder in a transmission mode, and the third cylinder can drive the second clamping jaw to be attached to or away from the first clamping jaw.

Preferably, the wire cutting mechanism is arranged on the first fixing plate and comprises a second mounting frame arranged on the second fixing plate, a third sliding table is arranged on the second mounting frame and provided with a fourth sliding table, the fourth sliding table is perpendicular to the third sliding table and is perpendicular to the third sliding table, a fifth sliding table is arranged on the fourth sliding table and provided with a seventh fixing plate, a clamping jaw cylinder is arranged on the seventh fixing plate, a third clamping jaw and a fourth clamping jaw are connected to the clamping jaw cylinder in a transmission mode, a first cutting piece is arranged on the third clamping jaw, and a second cutting piece is arranged on the fourth clamping jaw.

Preferably, still be equipped with second adjusting device on the first fixed plate, second adjusting device sets up first fixed block and second fixed block including relative, first fixed block with the spiro union has the nut on the second fixed block, two the nut passes respectively first fixed block with the second fixed block sets up relatively, be equipped with the third fixed block between first fixed block and the second fixed block, the third fixed block can pass through two nuts of wearing to establish on first fixed block and the second fixed block are fixed between first fixed block and the second fixed block, be equipped with the through-hole on the third fixed block, the spiro union has the bolt on the through-hole, be equipped with the lug on the second fixed plate, the bolt passes the lug with the through-hole spiro union on the third fixed block.

Preferably, the wire releasing mechanism is further provided with a second pulley, the second pulley is fixed at one end of the motor arranged on the mounting frame, and a central shaft of the second pulley is parallel to a central shaft of the wire winding coil.

The invention has the following beneficial effects:

1. the automatic welding wire feeding solves the problems of low safety degree, low efficiency and inaccurate positioning of manual welding wire feeding;

2. the sleeve, the balancing weight, the first pulley and the fork-shaped grating are matched to judge whether the welding wire on the wire winding coil is sufficient or not, the welding wire is prevented from being consumed completely, and the welding mechanism continues to weld;

3. the first adjusting device can effectively and precisely adjust the sending-out position of the welding wire;

4. the third sliding table and the fourth sliding table can precisely adjust the positions of the first cutting piece and the second cutting piece;

5. the second adjusting device can accurately adjust the positions of the wire feeding mechanism and the wire breaking mechanism.

In order to make the aforementioned and other objects, features and advantages of the invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of an automatic welding wire feeding device according to an embodiment of the present invention;

FIG. 2 is a schematic view of a part of the structure of an automatic welding wire feeding device according to an embodiment of the present invention;

FIG. 3 is a schematic side view of an automatic welding wire feeding device according to an embodiment of the present invention;

FIG. 4 is a schematic front view of an automatic welding wire feeding device according to an embodiment of the present invention;

reference numerals of the above figures:

1. a first mounting bracket; 11. a motor; 12. a coupling; 13. installing a shaft; 14. a first locking member; 15. winding the wire; 16. A second locking member; 17. a sleeve; 18. a balancing weight; 19. a first pulley; 20. a second pulley;

2. a first fixing plate; 21. a first slide rail; 22. a second fixing plate; 23. a first cylinder; 24. a second cylinder; 25. a third fixing plate; 26. a clamping device; 27. a first jaw; 28. a third cylinder; 29. a second jaw;

3. a guide plate; 32. a cover plate;

4. a first adjusting device; 41. a first sliding table; 42. a fourth fixing plate; 43. a fifth fixing plate; 44. a second sliding table; 45. a sixth fixing plate;

5. a second adjustment device; 51. a first fixed block; 52. a second fixed block; 53. a nut; 54. a third fixed block; 55. a bolt;

6. a fork-shaped grating;

7. a second mounting bracket; 71. a third sliding table; 72. a fourth slide table; 73. a fifth slipway; 74. a seventh fixing plate; 75. a jaw cylinder; 76. a third jaw; 77. a first cut piece; 78. a fourth jaw; 79. a second cut piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.

In order to achieve the purpose, the invention provides an automatic welding wire feeding device.

In this embodiment, referring to fig. 1, the automatic welding wire feeding device includes a wire feeding mechanism, and a wire breaking mechanism.

Further, referring to fig. 1, the wire unwinding mechanism includes a first mounting frame 1, a motor 11 disposed at an upper end of the first mounting frame 1, a shaft coupling 12 is disposed on a transmission shaft of the motor 11, an installation shaft 13 is connected to the shaft coupling 12, and a first locking member 14, a wire winding coil 15, and a second locking member 16 are sequentially sleeved on the installation shaft 13; the mounting shaft 13 is horizontally arranged.

The first mounting frame 1 is further provided with a sleeve 17, and the water quality and the horizontal plane of the sleeve 17 are arranged below the wire winding coil 15.

Further, please refer to fig. 1 and 4, the filament feeding mechanism further includes a weight block 18 and a first pulley 19, the weight block 18 is provided with a first supporting column, a second supporting column vertically penetrates through the first supporting column, the second supporting column is sleeved with the first pulley 19, the first pulley 19 can rotate on the second supporting column, and the central axis direction of the first pulley 19 is parallel to the central axis direction of the second supporting column.

Further, referring to fig. 2, a second pulley 20 is further disposed on the filament feeding mechanism, the second pulley 20 is fixed at one end of the mounting frame where the motor 11 is disposed, and a central axis of the second pulley 20 is parallel to a central axis of the first pulley 19.

It will be appreciated that the welding wire is drawn from the coil 15 into the sleeve 17 from the upper end of the sleeve 17, wound around the first pulley 19, and then passed over the sleeve 17 and around the second pulley 20.

Referring to fig. 1, the upper and lower ends of the sleeve 17 are respectively provided with a fork-shaped grating 6. The forked optical grating 6 is capable of detecting the position of the second pulley 20.

It can be understood that when the welding wire on the wire winding roll 15 is sufficient, the weight block 18 and the first pulley 19 are located at the lower end of the sleeve 17, and the fork-shaped grating 6 below the sleeve 17 senses the weight block 18 and the first pulley 19, which indicates that the welding wire on the wire winding roll 15 is sufficient. When the weight 18 and the first pulley 19 are sensed by the forked light barrier 6 above the sleeve 17, it indicates that the wire on the coil 15 is running out and needs to be replaced.

Further, referring to fig. 1, the wire feeding mechanism includes a first fixing plate 2 and a first slide rail 21 disposed on the first fixing plate 2, a second fixing plate 22 is disposed on the first slide rail 21, the second fixing plate 22 is capable of moving on the first slide rail 21, and a first cylinder 23 is disposed on the second fixing plate 22.

Further, referring to fig. 2, a piston rod of the first cylinder 23 is connected to a second cylinder 24 in a transmission manner, and a moving direction of the piston rod of the first cylinder 23 is perpendicular to a moving direction of the piston rod of the second cylinder 24.

Further, referring to fig. 1 and fig. 2, a third fixing plate 25 is connected to the piston rod of the second cylinder 24 in a transmission manner, a clamping device 26 and a guiding device are arranged on the third fixing plate 25, and the clamping device 26 is arranged upstream of the guiding device.

Further, referring to fig. 1 and fig. 2, a first adjusting device 4 is further disposed on the third fixing plate 25, the first adjusting device 4 includes a first sliding table 41 disposed on the third fixing plate 25, a T-shaped fourth fixing plate 42 is disposed on the first sliding table 41, and the fourth fixing plate 42 can slide on the sliding table; a fifth fixing plate 43 is further arranged on the fourth fixing plate 42, a second sliding table 44 is fixed on the fifth fixing plate 43, a sixth fixing plate 45 is arranged on the second sliding table 44, and the clamping device 26 and the guide device are arranged on the sixth fixing plate 45.

Further, referring to fig. 1, the clamping device 26 includes a first clamping jaw 27 and a second clamping jaw 29. The first clamping jaw 27 is arranged on the sixth fixing plate 45, a third air cylinder 28 is further arranged on the sixth fixing plate 45, a piston rod of the third air cylinder 28 is connected with a second clamping jaw 29 in a transmission mode, and the third air cylinder 28 can drive the second clamping jaw 29 to move upwards or downwards. Such that said second jaw 29 abuts against or is remote from said first jaw 27.

Further, referring to fig. 2, the guiding device includes a guiding plate 3 and a cover plate 32. The deflector 3 is fixed on the sixth fixing plate 45, the deflector 3 is perpendicular to the sixth fixing plate 45, a first groove is formed in the deflector 3, the cover plate 32 is arranged on the deflector 3, and the cover plate 32 is arranged on the first groove.

Further, please refer to fig. 3, the wire breaking mechanism is disposed on the first fixing plate 2, the wire breaking mechanism includes a second mounting bracket 7 disposed on the second fixing plate 22, a third sliding table 71 is disposed on the second mounting bracket 7, a fourth sliding table 72 is disposed on the third sliding table 71, the fourth sliding table 72 is perpendicular to the third sliding table 71, a fifth sliding table 73 is disposed on the fourth sliding table 72, a seventh fixing plate 74 is disposed on the fifth sliding table 73, a clamping jaw cylinder 75 is disposed on the seventh fixing plate 74, a third clamping jaw 76 and a fourth clamping jaw 78 are connected to the clamping jaw cylinder 75 in a transmission manner, a first cutting blade 77 is disposed on the third clamping jaw 76, a second cutting blade 79 is disposed on the fourth clamping jaw 78, and the third clamping jaw 76 and the fourth clamping jaw 78 are disposed up and down.

Further, referring to fig. 3, a second adjusting device 5 is further disposed on the first fixing plate 2, the second adjusting device 5 comprises a first fixed block 51 and a second fixed block 52 which are oppositely arranged, nuts 53 are screwed on the first fixed block 51 and the second fixed block 52, the two nuts 53 respectively penetrate through the first fixed block 51 and the second fixed block 52 and are oppositely arranged, a third fixed block 54 is arranged between the first fixed block 51 and the second fixed block 52, the third fixed block 54 can be fixed between the first fixed block 51 and the second fixed block 52 through two nuts 53 penetrating through the first fixed block 51 and the second fixed block 52, the third fixing block 54 is provided with a through hole, the through hole is screwed with a bolt 55, the second fixing plate 22 is provided with a convex block, and the bolt 55 penetrates through the convex block to be screwed with the through hole on the third fixing block 54.

With the above structure, referring to fig. 1, the welding wire on the wire winding coil 15 passes through the first clamping jaw 27 and the second clamping jaw 29 of the clamping device 26 and then passes through the first groove under the guidance of the first pulley 19 and the second pulley 20, and the cover plate 32 covers the first groove, so that the displacement of the welding wire can be effectively prevented.

Further, the welding wire reaches the welding mechanism, and the third cylinder 28 drives the second clamping jaw 29 to move upwards, so that the welding wire is fixed between the first clamping jaw 27 and the second clamping jaw 29.

Further, referring to fig. 2, the first cylinder 23 pushes the second cylinder 24 away from the wire feeding mechanism, and a piston rod of the second cylinder 24 moves upward to feed the welding wire extending from the guiding mechanism to the upper side of the welding needle.

Further, the piston rod of the second cylinder 24 moves downward, the welding wire falls on the welding needle, the welding gun head moves the welding wire on the welding needle, the piston rod of the third cylinder 28 moves downward, the first clamping jaw 27 and the second clamping jaw 29 are separated, the piston rod of the second cylinder 24 moves upward, the piston rod of the first cylinder 23 retracts, and at the moment, the welding wire is in a tight state.

Further, the piston cylinder of the third cylinder 28 moves upward to clamp the welding wire between the first clamping jaw 27 and the second clamping jaw 29, the clamping jaw cylinder 75 of the wire cutting mechanism drives the third clamping jaw 76 and the fourth clamping jaw 78, and the first cutting piece 77 on the third clamping jaw 76 is matched with the second cutting piece 79 on the fourth clamping jaw 78 to cut the welding wire.

Further, the piston rod of the first cylinder 23 is extended, and the above steps are repeated. The distance of each piston rod of the first air cylinder 23 is the same, and the length of the welding wire fed forward is also the same.

The first and second slide tables 41 and 44 can finely adjust the position of the feeding of the welding wire.

The third and fourth slide tables 71 and 72 can finely adjust the positions of the first and

second cut pieces

77 and 79.

The principle and the implementation mode of the invention are explained by applying specific embodiments in the invention, and the description of the embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. An automatic welding wire feeding device is characterized by comprising:

2. The automatic feeding device for welding wire as defined in claim 1, wherein said sleeve has fork-shaped rasters at both ends thereof.

3. The automatic welding wire feeding device according to claim 1, wherein a first adjusting device is further arranged on the third fixing plate, the first adjusting device comprises a first sliding table arranged on the third fixing plate, a T-shaped fourth fixing plate is arranged on the first sliding table, and the fourth fixing plate can slide on the sliding table; the fourth fixing plate is further provided with a fifth fixing plate, a second sliding table is fixed on the fifth fixing plate, a sixth fixing plate is arranged on the second sliding table, and the clamping device and the guide device are arranged on the sixth fixing plate.

4. The welding wire autoloading device of claim 3, wherein the guide includes a guide plate and a cover plate; the guide plate is fixed on the sixth fixing plate and is perpendicular to the sixth fixing plate, a first groove is formed in the guide plate, the cover plate is arranged on the guide plate, and the cover plate is arranged on the first groove.

5. The welding wire autoloading device of claim 3, wherein the clamping device includes a first jaw and a second jaw; the first clamping jaw is arranged on the sixth fixing plate, a third cylinder is further arranged on the sixth fixing plate, a second clamping jaw is connected to a piston rod of the third cylinder in a transmission mode, and the third cylinder can drive the second clamping jaw to be attached to or away from the first clamping jaw.

6. The automatic welding wire feeding device according to claim 1, wherein the wire cutting mechanism is arranged on the first fixing plate, the wire cutting mechanism comprises a second mounting frame arranged on the second fixing plate, a third sliding table is arranged on the second mounting frame, a fourth sliding table is arranged on the third sliding table and perpendicular to the third sliding table, a fifth sliding table is arranged on the fourth sliding table and provided with a seventh fixing plate, a clamping jaw cylinder is arranged on the seventh fixing plate, a third clamping jaw and a fourth clamping jaw are connected to the clamping jaw cylinder in a transmission manner, a first cutting piece is arranged on the third clamping jaw, and a second cutting piece is arranged on the fourth clamping jaw.

7. The automatic feeding device for welding wire as claimed in claim 1, wherein a second adjusting means is further provided on said first fixing plate, the second adjusting device comprises a first fixed block and a second fixed block which are oppositely arranged, nuts are screwed on the first fixed block and the second fixed block, the two nuts respectively penetrate through the first fixed block and the second fixed block and are oppositely arranged, a third fixed block is arranged between the first fixed block and the second fixed block and can be fixed between the first fixed block and the second fixed block through two nuts which are arranged on the first fixed block and the second fixed block in a penetrating way, the third fixed block is provided with a through hole, the through hole is connected with a bolt in a threaded mode, the second fixed plate is provided with a convex block, and the bolt penetrates through the convex block and is in threaded connection with the through hole in the third fixed block.

8. The automatic welding wire feeding device as claimed in claim 1, wherein the wire feeding mechanism is further provided with a second pulley, the second pulley is fixed to one end of the mounting frame where the motor is provided, and a central axis of the second pulley is parallel to a central axis of the wire winding coil.