CN212945959U

CN212945959U - Welding wire guiding device of automatic welding machine

Info

Publication number: CN212945959U
Application number: CN201922365709.2U
Authority: CN
Inventors: 李向阳; 刘敬
Original assignee: Ningbo Institute of Finance and Economics
Current assignee: Ningbo Institute of Finance and Economics
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2021-04-13
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses an automatic change welding wire guider of welding machine relates to welding equipment technical field. Including mounting substrate, fixed establishment, welding wire subassembly, mechanism and guiding mechanism flatten, mounting substrate's upper surface activity is provided with the fixed establishment who is used for fixed welding wire subassembly, fixed establishment's inside activity is provided with and is used for welding machine welded welding wire subassembly. Through setting up the mounting substrate, fixed establishment and welding wire subassembly, the pulling plate makes the pulling plate drive fly leaf compression spring downwards, the fly leaf drives the inside that the movable rod breaks away from the movable groove, can take out the spool and change, the loaded down with trivial details problem of conventional wire reel use screw rod fixed change has been solved, with the inside of pulling plate downwards to the fixed orifices, and stir left or right, it holds the pulling plate always with the hand to need not the staff during the change, the change efficiency of welding wire subassembly has been improved, the usability of the device has been increased.

Description

Welding wire guiding device of automatic welding machine

Technical Field

The utility model relates to a welding equipment technical field specifically is an automatic change welding wire guider of welding machine.

Background

In recent 20 years, with the development of digitalization, automation, computers and mechanical design technologies and the high importance of welding quality, automatic welding has developed into an advanced manufacturing technology, automatic welding equipment plays an increasingly large role in the application of various industries, the application range is rapidly expanding, in modern industrial production, mechanization and automation of welding production processes are necessary trends of the modernization development of welding mechanism manufacturing industry, but the existing automatic welding mode has the following defects:

conventional wire reel is fixed through the screw thread screw rod mostly, it is loaded down with trivial details to lead to wire reel to use the back replacement process, need rotate the screw rod many times and just can dismantle, the result of use is unsatisfactory, and conventional wire reel is even for the rolling when the rolling, the inside of even winding wire reel is all controlled usually, but the welding wire guiding port is fixed mounting mostly, the wire is put about the welding wire can removing when sending the silk, the easy and guiding port takes place to bend the too big card silk condition of appearing of angle, lead to the weldment work to break off, the welding efficiency is reduced, the result of use is unsatisfactory.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an automatic change welding wire guider of welding machine to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a welding wire guiding device of an automatic welding machine comprises a mounting substrate, a fixing mechanism, a welding wire assembly, a flattening mechanism and a guiding mechanism, wherein the fixing mechanism used for fixing the welding wire assembly is movably arranged on the upper surface of the mounting substrate, the welding wire assembly used for welding of the welding machine is movably arranged in the fixing mechanism, the flattening mechanism used for preventing welding wires from being bent is movably arranged on the upper surface of the mounting substrate, and the guiding mechanism used for guiding the welding wires during conveying is movably arranged on the left side surface of the flattening mechanism;

the fixing mechanism comprises a fixed plate, a first connecting block, a second connecting block, a placing groove, two movable rods, a movable plate, a pulling hole and a fixed hole, the lower surface of the fixed plate is fixedly connected with the upper surface of the mounting substrate, a movable cavity is formed in the fixed plate, the top surface of the inner wall of the movable cavity is provided with the movable hole, the right side surface of the fixed plate is hinged with the right side surface of the first connecting block, the left side surface of the fixed plate is hinged with the left side surface of the second connecting block, the upper surface of the fixed plate is provided with the placing groove, the lower surfaces of the first connecting block and the second connecting block are provided with the movable groove, the movable rod is movably arranged in the movable hole, the bottom ends of the two movable rods are fixedly connected with the upper surface of the movable plate, and the top end of the movable rod extends into the movable groove, the movable plate is movably connected with the inner wall of the movable cavity through a spring, the front surface of the movable plate is hinged with a pulling plate, the inner wall of the movable cavity is provided with a pulling hole and a fixing hole, and one end of the pulling plate, which is far away from the movable plate, penetrates through the pulling hole and extends to the outside of the fixed plate;

guiding mechanism includes steadying plate, stabilizer bar, bent frame, sleeve, leading wheel, limiting plate and torsional spring, steadying plate's quantity is four and uses per two to set up respectively in the left surface of flattening mechanism for a set of, every group the opposite face of steadying plate respectively with the top and the bottom fixed connection of stabilizer bar, the fixed sleeve that is provided with of right-hand member of bent frame, the quantity of bent frame is two, telescopic inside cup joints with the surface of stabilizer bar, the leading wheel has been cup jointed through the connecting axle activity to the inside of bent frame, the fixed limiting plate that is provided with in inside of bent frame, the torsional spring has been cup jointed on the surface of stabilizer bar.

As an optimized technical scheme of the utility model, the trompil communicates with the fixed orifices, the specification of fixed orifices is greater than the specification of trompil.

As an optimal technical scheme of the utility model, the welding wire subassembly includes spool, reel and welding wire strip, the fixed cover in surface of spool has connect the reel, the surface of spool is provided with the welding wire strip, the both ends of spool are located the inside of two standing grooves respectively, the one end that the spool was kept away from to the welding wire strip runs through the inside of flattening mechanism and extends to the outside of flattening mechanism through the space of two leading wheel opposite faces.

As a preferred technical scheme of the utility model, flattening mechanism is including flattening case, feed inlet, discharge gate, pivot, conveyer belt, welding wire groove and supporting leg, the feed inlet has been seted up to the left surface of flattening case, the discharge gate has been seted up to the right flank of flattening case, the inner wall of flattening case rotates and is connected with the pivot.

As a preferred technical scheme of the utility model, the quantity of pivot is four and uses per two to set up respectively in the inside of flattening case, every group for a set of per two the surface of pivot all cup joints with the surface of conveyer belt, the welding wire groove has been seted up on the surface of conveyer belt, the lower surface of flattening case passes through the supporting leg and is connected with mounting substrate's last fixed surface.

As an optimal technical scheme of the utility model, the circular slot has all been seted up to the inner wall of feed inlet and discharge gate, the inside activity of circular slot is provided with the ball, the one end that the spool was kept away from to the welding wire strip runs through the inside of feed inlet and discharge gate and removes to the outside of flattening case, the surface of ball and the overlap joint of welding wire strip, two the opposite face in welding wire groove all with the overlap joint of welding wire strip.

As an optimal technical scheme of the utility model, the right flank of stabilizer plate and the left surface fixed connection of flattening case, two the surface of leading wheel all with the surface overlap joint of welding wire strip, the one end of torsional spring and the surface overlap joint of limiting plate and the other end of torsional spring and the left surface overlap joint of flattening case.

As an optimized technical scheme of the utility model, the diameter specification of activity hole and activity groove is unanimous and coaxial setting, the looks remote site overlap joint of first connecting block and second connecting block.

As a preferred technical scheme of the utility model, the circular recess has all been seted up to the opposite face round angle department of first connecting block and second connecting block, and the inside of standing groove has seted up the circular recess, the inside activity of circular recess is provided with the ball, the ball is kept away from the one end of circular recess and the surperficial overlap joint of spool.

(III) advantageous effects

Compared with the prior art, the utility model provides an automatic change welding wire guider of welding machine possesses following beneficial effect:

1. this automatic change welding wire guider of welding machine, through setting up the mounting substrate, fixed establishment and welding wire subassembly, the pulling plate makes the pulling plate drive fly leaf compression spring downwards, the fly leaf drives the inside that the movable rod breaks away from the movable groove, can take out the spool and change, the problem that conventional welding wire dish used the fixed loaded down with trivial details change of screw rod has been solved, with the inside of pulling plate downwards to the fixed orifices, and stir left or right, it holds the pulling plate always with the hand to need not the staff during the change, the change efficiency of welding wire subassembly has been improved, the usability of the device has been increased.

2. This automatic change welding wire guider of welding machine, through setting up welding wire subassembly and guiding mechanism, the welding wire strip is removed and is removed a silk, and control about driving two leading wheels, the leading wheel drives limiting plate compression torsional spring and removes along with the welding wire strip, the angle of bending of welding wire strip and feed inlet has been reduced, the condition that conventional welding wire appears blocking with the direction mouth easily when sending a silk has been solved, and the welding wire strip drives the leading wheel rotation when sending a silk, the smoothness nature of sending a silk of welding wire strip has further been improved, the condition of card silk has been avoided appearing, the device practicality has been increased.

3. This automatic change welding wire guider of welding machine, through setting up the welding wire subassembly, flattening mechanism and guiding mechanism, the welding wire strip drives two conveyer belts when sending a silk and removes, two welding wire grooves are contradicted to the surface of welding wire strip, make the welding wire strip ejection of compact level and smooth, avoid crooked reduction send a silk efficiency, welding efficiency has been improved, the inside activity of circular slot is provided with the ball, make the welding wire strip produce the friction with the ball when sending a silk, the friction when having reduced welding wire strip and feed inlet and sending a silk has made things convenient for user's use.

Drawings

FIG. 1 is a schematic structural view of a welding wire guiding device of an automatic welding machine according to the present invention;

FIG. 2 is a sectional view of the fixing mechanism of the welding wire guiding device of the automatic welding machine according to the present invention;

FIG. 3 is a side sectional view of the fixing mechanism of the welding wire guiding device of the automatic welding machine according to the present invention;

FIG. 4 is a sectional view of the flattening mechanism and the guiding mechanism of the welding wire guiding device of the automatic welding machine according to the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 4

Fig. 6 is a structural section view of a fixing mechanism of an automatic welding machine.

In the figure: 1. a mounting substrate; 2. a fixing mechanism; 21. a fixing plate; 211. a movable cavity; 212. a movable hole; 213. a circular groove; 214. a ball; 22. a first connection block; 221. a movable groove; 23. a second connecting block; 24. a placement groove; 25. a movable rod; 26. a movable plate; 261. a spring; 27. pulling a plate; 28. Hole drawing; 29. a fixing hole; 3. a welding wire assembly; 31. a reel; 32. coiling; 33. welding wire strips; 4. A flattening mechanism; 41. flattening the box; 42. a feed inlet; 421. a circular groove; 422. a ball bearing; 43. a discharge port; 44. a rotating shaft; 45. a conveyor belt; 46. a wire groove; 47. supporting legs; 5. a guide mechanism; 51. a stabilizing plate; 52. a stabilizer bar; 53. a curved frame; 54. a sleeve; 55. a guide wheel; 56. a limiting plate; 57. A torsion spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-5, a welding wire guiding device of an automatic welding machine comprises an installation substrate 1, a fixing mechanism 2, a welding wire assembly 3, a flattening mechanism 4 and a guiding mechanism 5, wherein the fixing mechanism 2 for fixing the welding wire assembly 3 is movably arranged on the upper surface of the installation substrate 1, the welding wire assembly 3 for welding of the welding machine is movably arranged inside the fixing mechanism 2, the flattening mechanism 4 for preventing the welding wire from bending is movably arranged on the upper surface of the installation substrate 1, and the guiding mechanism 5 for guiding the welding wire during conveying is movably arranged on the left side surface of the flattening mechanism 4;

the fixing mechanism 2 comprises a fixing plate 21, a first connecting block 22, a second connecting block 23, a placing groove 24, two movable rods 25, a movable plate 26, a pulling plate 27, a pulling hole 28 and a fixing hole 29, wherein the lower surface of the fixing plate 21 is fixedly connected with the upper surface of the mounting substrate 1, the number of the fixing plate 21 is two, a movable cavity 211 is formed in the fixing plate 21, a movable hole 212 is formed in the top surface of the inner wall of the movable cavity 211, the right side surface of the fixing plate 21 is hinged to the right side surface of the first connecting block 22, the left side surface of the fixing plate 21 is hinged to the left side surface of the second connecting block 23, the placing groove 24 is formed in the upper surface of the fixing plate 21, the lower surfaces of the first connecting block 22 and the second connecting block 23 are both provided with a movable groove 221, the movable rods 25 are movably arranged in the movable hole 212, and the bottom ends of the two movable rods 25 are fixedly connected with the upper, the top end of the movable rod 25 extends to the inside of the movable groove 221, the movable plate 26 is movably connected with the inner wall of the movable cavity 211 through a spring 261, the front surface of the movable plate 26 is hinged with a pulling plate 27, the inner wall of the movable cavity 211 is provided with a pulling hole 28 and a fixing hole 29, one end, far away from the movable plate 26, of the pulling plate 27 penetrates through the pulling hole 28 and extends to the outside of the fixed plate 21, through the arrangement of the mounting base plate 1, the fixing mechanism 2 and the welding wire assembly 3, the pulling plate 27 is pulled downwards to enable the pulling plate 27 to drive the movable plate 26 to compress the spring 261, the movable plate 26 drives the movable rod 25 to be separated from the inside of the movable groove 221, the reel 31 can be taken out and replaced, the problem that the conventional wire reel is fixed and replaced by using a screw rod is solved, the pulling plate 27 is pulled downwards to the inside of the fixing hole 29 and is shifted leftwards, the replacement efficiency of the welding wire assembly 3 is improved, and the usability of the device is improved;

guiding mechanism 5 includes stabilizer plate 51, stabilizer bar 52, bent frame 53, sleeve 54, leading wheel 55, limiting plate 56 and torsional spring 57, stabilizer plate 51's quantity is four and uses per two to set up respectively in the left surface of mechanism 4 that flattens for a set of, every group stabilizer plate 51's opposite face respectively with stabilizer bar 52's top and bottom fixed connection, the fixed sleeve 54 that is provided with in right-hand member of bent frame 53, the quantity of bent frame 53 is two, the inside of sleeve 54 cup joints with stabilizer bar 52's surface, the leading wheel 55 has been cup jointed through the connecting axle activity in the inside of bent frame 53, the fixed limiting plate 56 that is provided with in inside of bent frame 53, torsional spring 57 has been cup jointed on the surface of stabilizer bar 52, and through setting up welding wire subassembly 3 and guiding mechanism 5, the wire strip 33 is removed about to control about driving two leading wheels 55, the leading wheel 55 drives the limiting plate 56 compression torsional spring 57 and moves about along with welding silk 33, has reduced the angle of bending of welding silk 33 and feed inlet 42, has solved the condition that conventional welding wire appears blocking easily with the direction mouth when sending a silk, and welding silk 33 drives the leading wheel 55 to rotate when sending a silk, has further improved welding silk 33 and has sent a smoothness nature, has avoided the condition that the card silk appears, has increased the device practicality.

As a specific technical solution of this embodiment, the pull hole 28 communicates with the fixing hole 29, and the specification of the fixing hole 29 is greater than that of the pull hole 28.

In this embodiment, the broaching hole 28 is communicated with the fixing hole 29 and the specification of the fixing hole 29 is greater than that of the broaching hole 28, the pulling plate 27 is pulled downwards to the inside of the fixing hole 29 and is shifted leftwards or rightwards, the pulling plate 27 is loosened to enable the pulling plate 27 to be tightly attached to the inner wall of the fixing hole 29 due to the fact that the pulling plate 27 is abutted by the spring 261, the pulling plate 27 does not need to be pulled by a hand all the time during replacement, replacement efficiency of the welding wire assembly 3 is improved, after replacement is completed, the pulling plate 27 is shifted to the inside of the broaching hole 28, the pulling plate 27 is enabled to be automatically moved to the initial position due to resilience of the spring 261, the first connecting block 22 and the second connecting block 23 are fixed, and usability of the device is improved.

As a specific technical solution of this embodiment, the welding wire assembly 3 includes a reel 31, a reel 32 and a welding wire rod 33, the reel 32 is fixedly sleeved on the surface of the reel 31, the welding wire rod 33 is disposed on the surface of the reel 31, two ends of the reel 31 are respectively located inside the two placing grooves 24, and one end of the welding wire rod 33 away from the reel 31 penetrates through the inside of the flattening mechanism 4 through the space between the opposite surfaces of the two guide wheels 55 and extends to the outside of the flattening mechanism 4.

In this embodiment, the fixed surface of spool 31 has cup jointed reel 32 and spool 31's surface and is provided with weld filament 33, and the both ends of spool 31 are located two standing grooves 24's inside respectively, and reel 32 can carry on spacingly when rolling to weld filament 33 for weld filament 33 rolling neat all with, spool 31 has made things convenient for and has erect welding wire subassembly 3, has made things convenient for user's use.

As a specific technical scheme of this embodiment, mechanism 4 flattens includes flattening case 41, feed inlet 42, discharge gate 43, pivot 44, conveyer belt 45, welding wire groove 46 and supporting leg 47, flattening case 41's left surface has seted up feed inlet 42, flattening case 41's right flank has seted up discharge gate 43, flattening case 41's inner wall rotates and is connected with pivot 44, the quantity of pivot 44 is four and uses per two to set up respectively in flattening case 41's inside as a set of, every group the surface of pivot 44 all cup joints with conveyer belt 45's surface, welding wire groove 46 has been seted up on conveyer belt 45's surface, flattening case 41's lower surface passes through supporting leg 47 and mounting substrate 1's last fixed surface and is connected, circular slot 421 has all been seted up to feed inlet 42 and discharge gate 43's inner wall, the inside activity of circular slot 421 is provided with ball 422, welding wire strip 33 keeps away from spool 31 one end runs through feed inlet 42 and discharge gate 43's inside and moves to flattening case 43 41, the surface of the ball 422 is overlapped with the surface of the welding wire strip 33, and the opposite surfaces of the two welding wire grooves 46 are overlapped with the surface of the welding wire strip 33.

In this embodiment, the inside activity of circular slot 421 is provided with ball 422 and ball 422's surface and weld silk 33's overlap joint, make weld silk 33 produce the friction with ball 422 when sending a silk, the friction when having reduced weld silk 33 and feed inlet 42 send a silk, the opposite face in welding wire groove 46 all with weld silk 33's overlap joint, weld silk 33 drives two conveyer belts 45 when sending a silk and removes, two weld silk grooves 46 contradict the surface of weld silk 33, make the ejection of compact of weld silk 33 level and smooth, avoid the bending to reduce and send a silk efficiency, the welding efficiency is improved, supporting leg 47 can support flattening case 41.

As a specific technical solution of this embodiment, the right side of the stabilizing plate 51 is fixedly connected to the left side of the flattening box 41, the surfaces of the two guide wheels 55 are overlapped with the surface of the welding wire 33, one end of the torsion spring 57 is overlapped with the surface of the limiting plate 56, and the other end of the torsion spring 57 is overlapped with the left side of the flattening box 41.

In this embodiment, the surface of two leading wheels 55 all with the surperficial overlap joint of weld silk 33 and the one end of torsional spring 57 and the surperficial overlap joint of limiting plate 56 and the other end of torsional spring 57 with the left surface overlap joint of case 41 that flattens, the wire feed is controlled about welding wire strip 33, and control about driving two leading wheels 55, leading wheel 55 drives limiting plate 56 compression torsional spring 57 and moves about along with welding silk 33, the angle of bending of weld silk 33 with feed inlet 42 has been reduced, and welding wire strip 33 drives leading wheel 55 when sending a wire and rotates, the smoothness nature of sending a wire of welding silk 33 has further been improved, the condition of card silk has been avoided appearing.

As a specific solution of this embodiment, the movable hole 212 is coaxially disposed in accordance with the diameter specification of the movable groove 221, and opposite ends of the first connecting block 22 and the second connecting block 23 are overlapped.

In this embodiment, the movable hole 212 and the movable groove 221 are coaxially arranged, and the pulling plate 27 is pulled downward to make the pulling plate 27 drive the movable plate 26 to compress the spring 261, the movable plate 26 drives the movable rod 25 to separate from the inner portion of the movable groove 221, the reel 31 can be taken out, the reel 31 drives the first connecting block 22 and the second connecting block 23 to turn over simultaneously, so that the reel 31 is disengaged from the inside of the placement groove 24, the reel 31 after replacement is placed in the inside of the placement groove 24, and the first connecting block 22 and the second connecting block 23 are turned over toward each other, so that the first connecting block 22 and the second connecting block 23 are tightened again, the pulling plate 27 is released, the movable plate 26 is rebounded by the spring 261 to drive the movable rod 25 to be inserted into the movable groove 221 again, the reel 31 is fixed, the replacement of workers is facilitated, and the situation that the work efficiency is reduced due to the fact that the screw bolt is adopted for fixation is avoided.

As a specific technical solution of this embodiment, the first connecting block 22 and the second connecting block 23 have circular grooves 213 formed at opposite circular corners thereof, the placing groove 24 has a circular groove 213 formed therein, a ball 214 is movably disposed in the circular groove 213, and one end of the ball 214 away from the circular groove 213 is in lap joint with the surface of the winding shaft 31.

In this embodiment, the opposite face round angle department of first connecting block 22 and second connecting block 23 has all seted up circular recess 213 and ball 214 and has kept away from the one end of circular recess 213 and the surperficial overlap joint of spool 31, spool 31 rotates along with the transport of welding wire strip 33 to with the surperficial overlap joint of ball 214, lead to spool 31 and standing groove 24's frictional resistance to reduce, thereby make spool 31 pivoted more smooth and easy, the condition that spool 31 blocked has been avoided appearing, user's use has been made things convenient for.

The utility model discloses a theory of operation and use flow: when the device is used, the welding wire strip 33 passes through the two guide wheels 55, finally passes through the discharge hole 43 through the space between the feed port 42 and the two welding wire grooves 46, the welding wire strip 33 moves left and right to feed wires and drives the two guide wheels 55 to move left and right, the guide wheels 55 drive the limiting plate 56 to compress the torsion spring 57 along with the left and right movement of the welding wire strip 33, the bending angle between the welding wire strip 33 and the feed port 42 is reduced, the guide wheels 55 are driven to rotate when the welding wire strip 33 is fed, the wire feeding smoothness of the welding wire strip 33 is further improved, the two conveying belts 45 are driven to move when the welding wire strip 33 is fed, the surfaces of the welding wire strip 33 are collided by the two welding wire grooves 46, the welding wire strip 33 is discharged smoothly, the bending is avoided, the wire feeding efficiency is reduced, when the welding wire assembly 3 needs to be replaced, the pull plate 27 is pulled downwards to the inside the fixed hole 29 and is pulled left, the movable plate 26 drives the movable rod 25 to be separated from the inside of the movable groove 221, the pulling plate 27 is loosened to enable the pulling plate 27 to be tightly attached to the inner wall of the fixing hole 29 due to the fact that the spring 261 supports the pulling plate 27, a worker does not need to pull the pulling plate 27 all the time during replacement, the replaced reel 31 is placed inside the placing groove 24, the first connecting block 22 and the second connecting block 23 are turned over oppositely, the first connecting block 22 and the second connecting block 23 are made to be closed again, the pulling plate 27 is shifted to the inside of the pulling hole 28, the movable plate 26 is enabled to be rebounded by the spring 261 to drive the movable rod 25 to be inserted into the movable groove 221 again, the reel 31 is made to be fixed, and operation of the device is completed through the above method.

In conclusion, according to the welding wire guiding device of the automatic welding machine, by arranging the mounting substrate 1, the fixing mechanism 2 and the welding wire assembly 3, the pull plate 27 is pulled downwards to enable the pull plate 27 to drive the movable plate 26 to compress the spring 261, the movable plate 26 drives the movable rod 25 to be separated from the inner part of the movable groove 221, the reel 31 can be taken out and replaced, the problem that a conventional welding wire disc is fixed and replaced by a screw rod is solved, the pull plate 27 is pulled downwards to the inner part of the fixing hole 29 and is shifted leftwards or rightwards, the pull plate 27 is not required to be pulled by a worker all the time by hands during replacement, the replacement efficiency of the welding wire assembly 3 is improved, and the usability of the device is improved.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic change welding wire guider of welding machine, includes mounting substrate (1), fixed establishment (2), welding wire subassembly (3), flattening mechanism (4) and guiding mechanism (5), its characterized in that: the welding wire fixing device is characterized in that a fixing mechanism (2) used for fixing a welding wire assembly (3) is movably arranged on the upper surface of the mounting base plate (1), the welding wire assembly (3) used for welding by a welding machine is movably arranged inside the fixing mechanism (2), a flattening mechanism (4) used for preventing the welding wire from being bent is movably arranged on the upper surface of the mounting base plate (1), and a guide mechanism (5) used for guiding the welding wire during conveying is movably arranged on the left side surface of the flattening mechanism (4);

the fixing mechanism (2) comprises a fixing plate (21), a first connecting block (22), a second connecting block (23), a placing groove (24), a movable rod (25), a movable plate (26), a pulling plate (27), a pulling hole (28) and a fixing hole (29), the lower surface of the fixing plate (21) is fixedly connected with the upper surface of the mounting substrate (1), the number of the fixing plate (21) is two, a movable cavity (211) is formed in the fixing plate (21), a movable hole (212) is formed in the top surface of the inner wall of the movable cavity (211), the right side surface of the fixing plate (21) is hinged with the right side surface of the first connecting block (22), the left side surface of the fixing plate (21) is hinged with the left side surface of the second connecting block (23), the upper surface of the fixing plate (21) is provided with the placing groove (24), the lower surfaces of the first connecting block (22) and the second connecting block (23) are provided with movable grooves (221), the inner part of the movable hole (212) is movably provided with movable rods (25), the bottom ends of the two movable rods (25) are fixedly connected with the upper surface of the movable plate (26), the top ends of the movable rods (25) extend to the inner part of the movable groove (221), the movable plate (26) is movably connected with the inner wall of the movable cavity (211) through a spring (261), the front surface of the movable plate (26) is hinged with a pulling plate (27), the inner wall of the movable cavity (211) is provided with a pulling hole (28) and a fixed hole (29), and one end, away from the movable plate (26), of the pulling plate (27) penetrates through the pulling hole (28) and extends to the outer part of the fixed plate (21);

the guide mechanism (5) comprises a stabilizing plate (51), a stabilizing rod (52), a curved frame (53), a sleeve (54), a guide wheel (55), a limiting plate (56) and a torsion spring (57), the number of the stabilizing plates (51) is four, every two stabilizing plates are used as a group and are respectively arranged on the left side surface of the flattening mechanism (4), the opposite surface of each group of the stabilizing plates (51) is respectively and fixedly connected with the top end and the bottom end of the stabilizing rod (52), a sleeve (54) is fixedly arranged at the right end of the curved frame (53), the number of the curved frames (53) is two, the inner part of the sleeve (54) is sleeved with the surface of the stabilizer bar (52), the inner part of the curved frame (53) is movably sleeved with a guide wheel (55) through a connecting shaft, a limiting plate (56) is fixedly arranged inside the curved frame (53), and a torsion spring (57) is sleeved on the surface of the stabilizer bar (52).

2. The wire guiding device of an automated welding machine as defined in claim 1, wherein: the pull hole (28) is communicated with the fixing hole (29), and the specification of the fixing hole (29) is larger than that of the pull hole (28).

3. The wire guiding device of an automated welding machine as defined in claim 1, wherein: welding wire subassembly (3) are including spool (31), reel (32) and welding wire strip (33), reel (32) have been cup jointed to the fixed surface of spool (31), the surface of spool (31) is provided with welding wire strip (33), the both ends of spool (31) are located the inside of two standing grooves (24) respectively, the one end that spool (31) were kept away from in welding wire strip (33) runs through the inside of mechanism (4) and extends to the outside of mechanism (4) that flattens through the space of two leading wheel (55) opposite faces.

4. The wire guiding device of an automated welding machine of claim 3, wherein: flattening mechanism (4) are including flattening case (41), feed inlet (42), discharge gate (43), pivot (44), conveyer belt (45), welding wire groove (46) and supporting leg (47), feed inlet (42) have been seted up to the left surface of flattening case (41), discharge gate (43) have been seted up to the right flank of flattening case (41), the inner wall of flattening case (41) rotates and is connected with pivot (44).

5. The wire guiding device of an automated welding machine of claim 4, wherein: the quantity of pivot (44) is four and uses per two to set up respectively in the inside of flattening case (41) for a set of, every group the surface of pivot (44) all cup joints with the surface of conveyer belt (45), wire bonding groove (46) have been seted up on the surface of conveyer belt (45), the lower surface of flattening case (41) passes through the upper surface fixed connection of supporting leg (47) and mounting substrate (1).

6. The wire guiding device of an automated welding machine of claim 4, wherein: circular slot (421) have all been seted up to the inner wall of feed inlet (42) and discharge gate (43), the inside activity of circular slot (421) is provided with ball (422), the one end that spool (31) were kept away from in weld silk (33) runs through the inside of feed inlet (42) and discharge gate (43) and moves to the outside of case (41) that flattens, the surface overlap joint of ball (422) and weld silk (33), two the opposite face in weld silk groove (46) all with the surface overlap joint of weld silk (33).

7. The wire guiding device of an automated welding machine as defined in claim 1, wherein: the right flank of stabilizer plate (51) and the left flank fixed connection of flattening case (41), two the surface of leading wheel (55) all with the surperficial overlap joint of welding wire strip (33), the one end of torsional spring (57) and the surperficial overlap joint of limiting plate (56) and the other end of torsional spring (57) and the left flank overlap joint of flattening case (41).

8. The wire guiding device of an automated welding machine as defined in claim 1, wherein: the movable hole (212) is coaxially arranged with the diameter specification of the movable groove (221), and the opposite ends of the first connecting block (22) and the second connecting block (23) are overlapped.

9. The wire guiding device of an automated welding machine as defined in claim 1, wherein: circular recess (213) have all been seted up to the opposite face fillet of first connecting block (22) and second connecting block (23), and circular recess (213) have been seted up to the inside of standing groove (24), the inside activity of circular recess (213) is provided with ball (214), the one end that circular recess (213) were kept away from in ball (214) and the surperficial overlap joint of spool (31).