CN111822848A - Welding wire automatic feeding device - Google Patents

Abstract

The invention discloses an automatic feeding device for welding wire, which comprises a wire unwinding mechanism, the wire unwinding mechanism comprises a first mounting frame, a motor arranged at one end of the first mounting frame, and a coupling shaft is arranged on the transmission shaft of the motor The coupling is connected with an installation shaft, and the installation shaft is sleeved with a first locking piece, a wire winding coil and a second locking piece in sequence. Also includes wire feeding mechanism and wire breaking mechanism. It has high safety, high efficiency and high accuracy.

Description

Welding wire automatic feeding device

technical field

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

Background technique

Pressure-welding a section of silver-plated copper wire on the needle is a process in the production of automotive reversing radar products. The existing welding device requires manual operation.

In order to realize the automation of this process, our company has designed a set of automatic welding wire feeding device, which can realize the automatic feeding of welding wire without manual operation, with high safety, high efficiency and accurate positioning.

SUMMARY OF THE INVENTION

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

In order to achieve the above purpose, the embodiment of the present application discloses an automatic feeding device for welding wire, including:

A wire feeding mechanism, the wire feeding mechanism includes a first mounting frame, a motor arranged at one end of the first mounting frame, a coupling is provided on the transmission shaft of the motor, and a mounting shaft is connected to the coupling , the installation shaft is sequentially sleeved with a first locking piece, a wire winding roll and a second locking piece; the first mounting frame is also provided with a sleeve, the sleeve corresponding to the wire winding roll set, the central axis of the sleeve and the central axis of the wire winding reel are vertically arranged; the wire unwinding mechanism also includes a counterweight and a first pulley, and the counterweight is provided with a first support column, so A second support column is vertically penetrated on the first support column, a first pulley is sleeved on the second support column, the first pulley can rotate on the second support column, and the first pulley The direction of the central axis of the second support column is parallel to the direction of the central axis of the second support column;

A wire feeding mechanism, the wire feeding mechanism includes a first fixing plate, a first sliding rail arranged on the first fixing plate, a second fixing plate is arranged on the first sliding rail, and the second fixing plate Can move on the first slide rail, the second fixed plate is provided with a first cylinder, the piston rod of the first cylinder is connected with a second cylinder, the movement of the piston rod of the first cylinder The direction is perpendicular to the movement direction of the piston rod of the second air cylinder; the piston rod of the second air cylinder is connected with a third fixing plate, and the third fixing plate is provided with a clamping device and a guiding device. the holding device is arranged upstream of the guide device;

A wire breaking mechanism is provided downstream of the guide device.

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

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, and a T is provided on the first sliding table A fourth fixing plate of the type, the fourth fixing plate can slide on the sliding table; the fourth fixing plate is also provided with a fifth fixing plate, and the 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 guiding device are arranged on the sixth fixing plate.

Preferably, the guide device includes a guide plate and a cover plate; the guide plate is fixed on the sixth fixing plate, the guide plate is vertically arranged with the sixth fixing plate, and the guide plate is provided with a first a groove, the cover plate is arranged on the guide plate, and the cover plate is arranged on the first groove.

Preferably, the clamping device includes a first clamping jaw and a second clamping jaw; the first clamping jaw is arranged on the sixth fixing plate, and the sixth fixing plate is further provided with a third air cylinder, so A second clamping jaw is drivingly connected to the piston rod of the third air cylinder, and the third air cylinder can drive the second clamping jaw to fit or move away from the first clamping jaw.

Preferably, the wire breaking mechanism is arranged on the first fixing plate, the wire breaking mechanism comprises a second mounting frame arranged on the second fixing plate, and a third mounting frame is arranged on the second mounting frame A sliding table, a fourth sliding table is arranged on the third sliding table, the fourth sliding table is vertically arranged perpendicular to the third sliding table, a fifth sliding table is arranged on the fourth sliding table, and the A seventh fixing plate is arranged on the fifth sliding table, a clamping jaw cylinder is arranged on the seventh fixing plate, and a third clamping jaw and a fourth clamping jaw are driven and connected on the clamping jaw cylinder, and the third clamping jaw is A first cutting piece is arranged thereon, and a second cutting piece is arranged on the fourth clamping jaw.

Preferably, the first fixing plate is further provided with a second adjusting device, the second adjusting device comprises a first fixing block and a second fixing block oppositely arranged, the first fixing block and the second fixing block A nut is screwed on the upper part, and the two nuts are respectively arranged opposite to each other through the first fixing block and the second fixing block, and a third fixing block is arranged between the first fixing block and the second fixing block, The third fixing block can be fixed between the first fixing block and the second fixing block by two nuts passing through the first fixing block and the second fixing block, and the third fixing block is provided with a nut. There is a through hole, a bolt is screwed on the through hole, a bump is provided on the second fixing plate, and the bolt passes through the bump and is screwed with the through hole on the third fixing block.

Preferably, the wire unwinding mechanism is further provided with a second pulley, the second pulley is fixed on the end of the mounting frame with the motor, and the center axis of the second pulley is connected to the center of the wire winding roll. Axes are parallel.

The beneficial effects of the present invention are as follows:

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

2. The sleeve, the counterweight, the first pulley and the fork grating are used together to judge whether the welding wire on the wire coil is sufficient, so as to prevent the welding wire from being consumed and the welding mechanism continuing to weld;

3. The first adjustment device can effectively and precisely adjust the delivery position of the welding wire;

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

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

In order to make the above-mentioned and other objects, features and advantages of the present invention more obvious and easy to understand, the preferred embodiments are exemplified below, and are described in detail as follows in conjunction with the accompanying drawings.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

1 is a schematic diagram of the overall structure of an automatic welding wire feeding device in an embodiment of the present invention;

Fig. 2 is a partial structural schematic diagram of an automatic welding wire feeding device in an embodiment of the present invention;

Fig. 3 is the side structure schematic diagram of the welding wire automatic feeding device in the embodiment of the present invention;

Fig. 4 is the front structure schematic diagram of the welding wire automatic feeding device in the embodiment of the present invention;

Reference numerals of the above drawings:

1. The first mounting frame; 11, the motor; 12, the coupling; 13, the mounting shaft; 14, the first locking piece; 15, the wire coil; 16, the second locking piece; 17, the sleeve; , counterweight; 19, the first pulley; 20, the second pulley;

2. The first fixing plate; 21. The first sliding rail; 22, The second fixing plate; 23, The first cylinder; 24, The second cylinder; 25, The third fixing plate; 26, The clamping device; 27, The first Gripper; 28, the third cylinder; 29, the second gripper;

3. Guide plate; 32. Cover plate;

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

5. The second adjusting device; 51, the first fixing block; 52, the second fixing block; 53, the nut; 54, the third fixing block; 55, the bolt;

6. Fork grating;

7. The second mounting frame; 71, the third sliding table; 72, the fourth sliding table; 73, the fifth sliding table; 74, the seventh fixing plate; 75, the clamping jaw cylinder; 76, the third clamping jaw; 77, The first cutting piece; 78, the fourth clamping jaw; 79, the second cutting piece.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings , is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second", etc., may expressly or implicitly include one or more of that feature.

In order to achieve the above object, the present invention provides an automatic feeding device for welding wire.

In this embodiment, please refer to FIG. 1 , the automatic welding wire feeding device includes a wire unwinding mechanism, a wire feeding mechanism and a wire breaking mechanism.

Further, please refer to FIG. 1 , the wire unwinding mechanism includes a first mounting frame 1 , a motor 11 arranged on the upper end of the first mounting frame 1 , and a coupling 12 is provided on the transmission shaft of the motor 11 , so The coupling 12 is connected with an installation shaft 13, and the installation shaft 13 is sleeved with a first locking member 14, a wire winding reel 15 and a second locking member 16 in sequence; the installation shaft 13 is arranged horizontally.

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

Further, please refer to FIG. 1 and FIG. 4 , the wire releasing mechanism further includes a counterweight 18 and a first pulley 19 , the counterweight 18 is provided with a first support column, and the first support column is vertical A second support column is passed through, a first pulley 19 is sleeved on the second support column, the first pulley 19 can rotate on the second support column, and the center axis direction of the first pulley 19 parallel to the direction of the central axis of the second support column.

Further, please refer to FIG. 2 , a second pulley 20 is also provided on the wire unwinding mechanism, the second pulley 20 is fixed on the end of the mounting frame with the motor 11 , and the center of the second pulley 20 is The shaft is parallel to the central axis of the first pulley 19 .

It can be understood that the welding wire is drawn from the wire winding reel 15 and enters the sleeve 17 from the upper end of the sleeve 17 , is wound around the first pulley 19 , and then passes through the upper part of the sleeve 17 and is wound around the first pulley 19 . on the second pulley 20.

Referring to FIG. 1 , the upper and lower ends of the sleeve 17 are respectively provided with fork-shaped gratings 6 . The fork-shaped grating 6 can detect the position of the second pulley 20 .

It can be understood that when there is sufficient welding wire on the wire winding reel 15, the counterweight 18 and the first pulley 19 are located at the lower end of the sleeve 17, and the fork-shaped grating 6 under the sleeve 17 senses the To the counterweight 18 and the first pulley 19, it means that the welding wire on the wire winding coil 15 is sufficient at this time. When the counterweight 18 and the first pulley 19 are sensed by the fork-shaped grating 6 above the sleeve 17 , it means that the welding wire on the wire winding reel 15 is about to run out and needs to be replaced.

Further, please refer to FIG. 1 , the wire feeding mechanism includes a first fixing plate 2 , a first sliding rail 21 arranged on the first fixing plate 2 , and a second fixing plate 21 is provided on the first sliding rail 21 The second fixed plate 22 can move on the first slide rail 21 , and the second fixed plate 22 is provided with a first cylinder 23 .

Further, please refer to FIG. 2 , a second cylinder 24 is connected to the piston rod of the first cylinder 23 in a driving manner, and the movement direction of the piston rod of the first cylinder 23 is perpendicular to the movement direction of the piston rod of the second cylinder 24 . set up.

Further, please refer to FIG. 1 and FIG. 2 , a third fixing plate 25 is connected to the piston rod of the second air cylinder 24 in a driving manner. The third fixing plate 25 is provided with a clamping device 26 and a guiding device. Clamping means 26 are arranged upstream of said guide means.

Further, please refer to FIG. 1 and FIG. 2 , the third fixing plate 25 is further provided with a first adjusting device 4 , and the first adjusting device 4 includes a first sliding device arranged on the third fixing plate 25 . Table 41, the first sliding table 41 is provided with a T-shaped fourth fixing plate 42, the fourth fixing plate 42 can slide on the sliding table; the fourth fixing plate 42 is also provided with a fourth fixing plate 42 Five fixing plates 43 , 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 clips are arranged on the sixth fixing plate 45 holding means 26 and the guide means.

Further, please refer 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 , the sixth fixing plate 45 is further provided with a third cylinder 28 , and a second clamp is connected to the piston rod of the third cylinder 28 in a transmission manner. The claw 29, the third air cylinder 28 can drive the second clamping claw 29 to move upward or downward. The second clamping jaw 29 is made to fit or be away from the first clamping jaw 27 .

Further, please refer to FIG. 2 , the guide device includes a guide plate 3 and a cover plate 32 . The guide plate 3 is fixed on the sixth fixing plate 45 , the guide plate 3 is perpendicular to the sixth fixing plate 45 , the guide plate 3 is provided with a first groove, and the cover plate 32 The cover plate 32 is arranged on the guide plate 3, and the cover plate 32 is arranged on the first groove.

Further, please refer to FIG. 3 , the wire breaking mechanism is arranged on the first fixing plate 2 , and the wire breaking mechanism includes a second mounting frame 7 arranged on the second fixing plate 22 . The second mounting frame 7 is provided with a third sliding table 71 , the third sliding table 71 is provided with a fourth sliding table 72 , the fourth sliding table 72 is perpendicular to the third sliding table 71 , and the The fourth sliding table 72 is provided with a fifth sliding table 73, the fifth sliding table 73 is provided with a seventh fixing plate 74, and the seventh fixing plate 74 is provided with a clamping claw cylinder 75, the clamping claw cylinder The third clamping jaw 76 and the fourth clamping jaw 78 are connected in a driving manner on the 75. The third clamping jaw 76 is provided with a first cutting piece 77, and the fourth clamping jaw 78 is provided with a second cutting piece 79, so The third clamping jaw 76 and the fourth clamping jaw 78 are arranged up and down.

Further, please refer to FIG. 3 , the first fixing plate 2 is further provided with a second adjusting device 5 , and the second adjusting device 5 includes a first fixing block 51 and a second fixing block 52 arranged oppositely. A fixing block 51 and the second fixing block 52 are screwed with nuts 53 , and the two nuts 53 pass through the first fixing block 51 and the second fixing block 52 respectively and are arranged opposite each other. A third fixing block 54 is arranged between the fixing block 51 and the second fixing block 52 , and the third fixing block 54 can be fixed by two nuts 53 pierced through the first fixing block 51 and the second fixing block 52 Between the first fixing block 51 and the second fixing block 52 , the third fixing block 54 is provided with a through hole, the through hole is screwed with a bolt 55 , and the second fixing plate 22 is provided with a through hole. There are projections, and the bolts 55 pass through the projections and are screwed to the through holes on the third fixing block 54 .

With the above structure, please refer to FIG. 1 , the welding wire on the wire winding reel 15 is guided by the first pulley 19 and the second pulley 20 , and then passes through the first clamping jaw 27 and the second clamping jaw of the clamping device 26 . 29, and then through the first groove, the cover plate 32 covers the first groove, which can effectively prevent the welding wire from being displaced.

Further, when the welding wire reaches the welding mechanism, the third air cylinder 28 drives the second clamping jaw 29 to move upward to fix the welding wire between the first clamping jaw 27 and the second clamping jaw 29 .

Further, please refer to FIG. 2 , the first air cylinder 23 pushes the second air cylinder 24 away from the wire feeding mechanism, and the piston rod of the second air cylinder 24 moves upward and extends from the guide mechanism The welding wire is sent above the welding pin.

Further, the piston rod of the second air cylinder 24 moves downward, the welding wire falls on the welding needle, the welding torch tip pushes the tip of the welding wire to the welding needle, and the piston rod of the third air cylinder 28 moves downward, The first clamping jaw 27 and the second clamping jaw 29 are separated, the piston rod of the second air cylinder 24 moves upward, and the piston rod of the first air cylinder 23 retracts, and the welding wire is in a tight state at this time.

Further, the piston cylinder of the third air cylinder 28 moves upward to hold the welding wire between the first clamping jaw 27 and the second clamping jaw 29, and the clamping jaw cylinder 75 of the wire breaking mechanism drives the welding wire. The third clamping jaw 76 and the fourth clamping jaw 78, the first cutting piece 77 on the third clamping jaw 76 and the second cutting piece 79 on the fourth clamping jaw 78 cooperate to cut the welding wire.

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

The first sliding table 41 and the second sliding table 44 can precisely adjust the feeding position of the welding wire.

The third sliding table 71 and the fourth sliding table 72 can precisely adjust the positions of the first cutting piece 77 and the second cutting piece 79 .

In the present invention, the principles and implementations of the present invention are described by using specific embodiments, and the descriptions of the above embodiments are only used to help understand the method and the core idea of the present invention; The idea of the invention will have changes in the specific implementation and application scope. To sum up, the content of this specification should not be construed as a limitation to the present invention.

Claims (8)

1. A welding wire automatic feeding device is characterized in that, comprising: A wire feeding mechanism, the wire feeding mechanism includes a first mounting frame, a motor arranged at one end of the first mounting frame, a coupling is provided on the transmission shaft of the motor, and a mounting shaft is connected to the coupling , the installation shaft is sequentially sleeved with a first locking piece, a wire winding roll and a second locking piece; the first mounting frame is also provided with a sleeve, the sleeve corresponding to the wire winding roll set, the central axis of the sleeve and the central axis of the wire winding reel are vertically arranged; the wire unwinding mechanism also includes a counterweight and a first pulley, and the counterweight is provided with a first support column, so A second support column is vertically penetrated on the first support column, a first pulley is sleeved on the second support column, the first pulley can rotate on the second support column, and the first pulley The direction of the central axis is parallel to the direction of the central axis of the second support column; A wire feeding mechanism, the wire feeding mechanism includes a first fixing plate, a first sliding rail arranged on the first fixing plate, a second fixing plate is arranged on the first sliding rail, and the second fixing plate Can move on the first slide rail, the second fixed plate is provided with a first cylinder, the piston rod of the first cylinder is connected with a second cylinder, the movement of the piston rod of the first cylinder The direction is perpendicular to the movement direction of the piston rod of the second air cylinder; the piston rod of the second air cylinder is connected with a third fixing plate, and the third fixing plate is provided with a clamping device and a guiding device. the holding device is arranged upstream of the guide device; A wire breaking mechanism is provided downstream of the guide device. 2 . The automatic welding wire feeding device according to claim 1 , wherein two ends of the sleeve are respectively provided with fork-shaped gratings. 3 . 3 . The automatic welding wire feeding device according to claim 1 , wherein the third fixing plate is further provided with a first adjusting device, and the first adjusting device comprises a The first sliding table, 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 also 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 guiding device are arranged on the sixth fixing plate. 4 . The automatic welding wire feeding device according to claim 3 , wherein the guiding device comprises a guiding plate and a cover plate; the guiding plate is fixed on the sixth fixing plate, and the guiding plate and the The sixth fixing plate is arranged vertically, the guide plate is provided with a first groove, the cover plate is arranged on the guide plate, and the cover plate is arranged on the first groove. 5. The automatic welding wire feeding device according to claim 3, wherein the clamping device comprises a first clamping jaw and a second clamping jaw; the first clamping jaw is arranged on the sixth fixing plate, The sixth fixing plate is also provided with a third cylinder, the piston rod of the third cylinder is connected with a second clamping claw, and the third cylinder can drive the second clamping claw to fit or move away from the first jaw. 6. The automatic welding wire feeding device according to claim 1, wherein the wire breaking mechanism is arranged on the first fixing plate, and the wire breaking mechanism comprises a first fixing plate arranged on the second fixing plate. Two mounting frames, the second mounting frame is provided with a third sliding table, the third sliding table is provided with a fourth sliding table, and the fourth sliding table is vertically arranged perpendicular to the third sliding table, so The fourth sliding table is provided with a fifth sliding table, the fifth sliding table is provided with a seventh fixing plate, the seventh fixing plate is provided with a clamping jaw cylinder, and the clamping jaw cylinder is driven and connected with a first Three clamping jaws and a fourth clamping jaw, the third clamping jaw is provided with a first cutting piece, and the fourth clamping jaw is provided with a second cutting piece. 7 . The automatic welding wire feeding device according to claim 1 , wherein a second adjusting device is further provided on the first fixing plate, and the second adjusting device comprises a first fixing block and a second fixing block oppositely arranged. 8 . The first fixing block and the second fixing block are screwed with nuts, and the two nuts are respectively arranged opposite to each other through the first fixing block and the second fixing block. A third fixing block is arranged between the block and the second fixing block, and the third fixing block can be fixed on the first fixing block and the second fixing block by two nuts passing through the first fixing block and the second fixing block. Between the second fixing blocks, the third fixing block is provided with a through hole, the through hole is screwed with a bolt, the second fixing plate is provided with a protrusion, and the bolt passes through the protrusion screwed with the through hole on the third fixing block. 8. The automatic welding wire feeding device according to claim 1, characterized in that, a second pulley is also provided on the wire unwinding mechanism, and the second pulley is fixed on the end of the mounting frame provided with the motor, so The central axis of the second pulley is parallel to the central axis of the wire winding reel.

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