CN219542055U - Laser welding wire feeding mechanism and welding system - Google Patents

Abstract

The utility model discloses a laser welding wire feeding mechanism and a welding system, wherein the wire feeding mechanism comprises a fixing frame, a reel and a wire feeding assembly, and the fixing frame comprises a vertical fixing column and a horizontal fixing table; the reel is arranged at the top of the vertical fixing column, a welding wire placing groove is formed in the edge of the reel, and welding wires are wound in the welding wire placing groove; the wire feeding assembly is arranged on the horizontal fixing table, and the wire feeding assembly comprises: the welding wire feeding device comprises a driving wheel, a fixing structure and a first welding wire guiding groove, wherein the driving wheel is connected with a driving device, the welding wire and the driving wheel are provided with at least one contact surface, and the driving wheel drives the welding wire to move to one side far away from a reel; the fixed knot constructs the setting and is in the drive wheel with welding wire contact one side, with form between the drive wheel and supply the welding wire passes the intermediate slit, fixed knot constructs can make the welding wire in the propelling movement process, and is more stable difficult for sliding, and the error is little in the follow-up processing, has improved the machining precision.

Description

Laser welding wire feeding mechanism and welding system

Technical Field

The utility model relates to the field of industrial machinery, in particular to a laser welding wire feeding mechanism and a welding system.

Background

At present, along with the continuous growth of modern industry, the demand to the motor is also increasingly high, in the production process of motor, interior subassembly is through welded connection mostly, but among the prior art, to the slice of welding wire production facility that has not yet fully automated, many still adopt traditional mode to produce, the welding wire is unstable or fixed inadequately in the welding wire propelling movement in-process, lead to the later stage to appear handling the great problem of welding wire in-process size deviation for the welding-aid effect that produces in production of these welding wires is inconsistent, the quality is not too close, has directly influenced subsequent welding unstable, the condition of desoldering appears easily.

In view of the foregoing, there is a need for an improved manner of processing solder slices.

Disclosure of Invention

Aiming at the technical problems, the utility model aims to provide the laser welding wire feeding mechanism and the welding system, wherein the laser welding wire feeding mechanism can synchronously compress and stabilize welding wires in the process of delivering the welding wires, so that the utilization rate of the welding wires is improved, uneven slicing of the welding wires caused by improper operation is avoided, the follow-up welding assisting condition is inconsistent, the quality of slicing the welding wires in the follow-up production process is higher, the slicing size deviation is small, and the working efficiency and the product quality are improved.

In order to achieve the above object, the present utility model provides a laser welding wire feeding mechanism comprising:

the fixing frame comprises a vertical fixing column and a horizontal fixing table;

the reel is arranged at the top of the vertical fixing column, a welding wire placing groove is formed in the edge of the reel, and welding wires are wound on the welding wire placing groove;

wire feeding assembly, wire feeding assembly install in on the horizontal fixed station, wire feeding assembly is including:

a driving wheel connected with the driving device, wherein the welding wire and the driving wheel have at least one contact surface, the driving wheel drives the welding wire to move towards the direction far away from the reel;

the fixing structure is arranged on one side of the driving wheel, which is contacted with the welding wire, and a middle gap for the welding wire to pass through is formed between the fixing structure and the driving wheel;

and the first welding wire guiding groove guides the welding wire out towards the cutting direction.

This send a subassembly in laser welding wire feeding mechanism one side of drive wheel is provided with fixed knot and constructs, has prevented to a certain extent that the welding wire from producing in the propelling movement in-process from droing, has also avoided the welding wire to produce the displacement in the propelling movement in-process simultaneously, leads to follow-up cutting process to produce the error, sets up in addition the first welding wire guide slot also helps the passage of welding wire.

In some embodiments, the drive wheel is a set of cooperating drive and driven gears, and a wheel coupled to the driven gear, the welding wire passing through an intermediate gap formed by the wheel and the fixed structure.

The driven wheel is driven by a group of gears, so that the transmission efficiency is improved, the driven wheel is more reliable, the service life of the driven wheel can be prolonged, the rotating wheel is driven to rotate when the driven wheel rotates, and the accuracy is improved.

In some embodiments, the number of driven gears is two, the number of rotating wheels connected with the driven gears is two, a first guide block is arranged between the two rotating wheels, and the first welding wire guiding groove is arranged on the top surface of the first guide block.

In the embodiment, the number of the driven wheels is two, so that the number of the natural rotating wheels is also two, the pushing of the whole pushing device can be more smooth, as is well known, a straight line is determined at two points, and the straight line formed by the two driven wheels is the action track of the welding wire in the pushing process, so that the operation is more convenient for staff.

In some embodiments, the fixing structure comprises a connecting plate with one end connected in a rotating way and the other end connected in a detachable and fixed way, a corner frame is connected to the connecting plate, a pressure plate is arranged on the corner frame, and the pressure plate is located at the top of the rotating wheel.

When the welding wire is consumed and the welding wire needs to be reloaded, the connecting plate can be assembled and disassembled only by rotating the connecting plate, the corner frame and the pressure plate are arranged corresponding to the two rotating wheels in the embodiment, the displacement of the pushed welding wire in the vertical direction is limited in a small range, and the welding wire is ensured not to jump up and down, so that the production process is influenced.

In some embodiments, one end of the connecting plate, which is fixedly connected, is provided with a screw fixing device for fixing, the screw fixing device comprises a screw, a vertical table is arranged on the horizontal fixing table, the top of the vertical table and the connecting plate are provided with corresponding assembly holes, and the screw can sequentially pass through the connecting plate and the corresponding assembly holes inserted into the vertical table and compress

The device can simply and effectively fix one end of the connecting plate, so that the connecting plate is not easy to shake in a fixed state, the stability of the device is improved, and meanwhile, the connecting can be realized by adopting a screw mode conveniently and rapidly without other tools.

In another aspect of the present utility model, there is also provided a welding system including: the above-mentioned laser welding wire feeding mechanism, still include:

the cutting assembly is arranged at the adjacent position of the wire feeding assembly and is far away from one end of the reel, a second guide block is arranged at the joint of the wire feeding assembly and the cutting assembly, a second welding wire guide groove is formed in the second guide block, and the cutting assembly is used for cutting welding wires guided by the second welding wire guide groove;

the access device is arranged at the adjacent position of the cutting assembly and is used for storing and transmitting the cut welding wire;

and the welding equipment is arranged on the fixed table and is used for welding the cut welding wires on corresponding welding spots.

The device can realize subsequent cutting, storing and welding functions under the condition that the laser welding wire feeding mechanism is arranged, the cutting assembly can sequentially cut welding wires guided by the second guide block, the cut slices can fall into the storing device, the storing device can be responsible for storing the cut welding wire slices, and meanwhile, the work of taking materials is needed when the slices are taken out.

In some embodiments, the cutting assembly comprises a cutter, a cylinder pushing device, a return piece and a pressing block, wherein the output end of the cylinder pushing device is connected with the cutter, and the output end of the cylinder pushing device drives the cutter to move in the vertical direction; the pressing block is arranged above the second guide block, is connected with the cylinder pushing device and synchronously pushes down during cutting; the return piece is connected with the pressing block, and when the cutter is lifted, the pressing block is lifted under the action of the return piece.

Wherein the briquetting can play the effect of fixed, compressing tightly the welding wire when cutting the welding wire for the phenomenon that the welding wire is difficult to take place to remove or misplace, because the effect of return spare after cutting, the briquetting can shift up, and the welding wire can continue to push to the cutting direction at this moment, just so can carry out cyclic reciprocating's cutting action.

In some embodiments, the return member comprises a spring connected to a connecting block provided at the bottom of the cylinder pushing device, and the bottom of the spring is connected to the pressing block.

In some embodiments, the access device comprises a receiving block and a material taking device, wherein a storage groove is arranged on the receiving block, and the material taking device can move to the position right above the storage groove to suck out welding wire slices.

Wherein, set up the piece of accepting makes the welding wire section that the cutting accomplished can drop in the bin, so not only be convenient for the operation of next step, also make the workstation cleaner clean and tidier moreover, the setting the extractor can remove, and the welding wire section of suction then removes corresponding welding point again and welds.

In some embodiments, the access device further comprises a slider mounted at the bottom of the receiving block, the slider bottom being provided with a rail translating in a horizontal direction.

In this kind of embodiment, for the adapting piece bottom has installed a slider that can horizontal migration, so it is safer in operation, and the slip just can draw the welding wire section in the place far away from cutting assembly to slide the slider, and this kind of setting also can be convenient for operate simultaneously, has improved reliability and production efficiency.

Compared with the prior art, the laser welding wire feeding mechanism and the welding system provided by the utility model have the following beneficial effects:

1. according to the laser welding wire feeding mechanism and the welding system, the pushing assembly is provided with the fixing structure, so that the welding wire is prevented from falling off in the pushing process to a certain extent, and meanwhile, the welding wire is prevented from displacement in the pushing process, so that errors are avoided in the subsequent cutting process.

2. According to the laser welding wire feeding mechanism and the welding system provided by the utility model, one end of the fixing mechanism is rotatable, when welding wires need to be reloaded, the fixing mechanism and the driving wheel can form an intermediate gap only by rotating, and the displacement of the pushed welding wires in the vertical direction is limited in a small range, so that the welding wires are prevented from jumping up and down, and the production process is not influenced.

3. According to the laser welding wire feeding mechanism and the welding system, in the cutting process, the pressing block and the cutter synchronously press down, so that the welding wire is in a clamped state during cutting, sliding or deviation cannot occur, and the cutting precision is ensured.

Drawings

The above features, technical features, advantages and implementation of the present utility model will be further described in the following description of preferred embodiments with reference to the accompanying drawings in a clear and easily understood manner.

FIG. 1 is a schematic diagram of the structure of one embodiment of the present utility model;

FIG. 2 is an enlarged view of a portion of a push assembly in one embodiment of the utility model;

FIG. 3 is a schematic view of the structure of a drive wheel in one embodiment of the utility model;

FIG. 4 is a schematic view of the structure of a screw fixing device according to an embodiment of the present utility model;

FIG. 5 is a block diagram of a cutting assembly in one embodiment of the utility model;

figure 6 is an enlarged view of a portion of a cutter in one embodiment of the utility model;

FIG. 7 is a schematic view of the structure of a receiving block in one embodiment of the utility model;

fig. 8 is a detailed view of an access device in one embodiment of the utility model.

Reference numerals illustrate:

1. a reel; 21. a horizontal fixing table; 22. a vertical fixing column; 211. a standing platform; 31. a connecting plate; 311. screw fixing means; 3111. a screw; 32. a corner bracket; 33. a pressure plate; 4. a driving device; 41. a drive gear; 42. a driven gear; 43. a rotating wheel; 5. a first guide block; 51. a second guide block; 6. a cylinder pushing device; 61. a cutter; 62. briquetting; 63. a spring; 601. connecting blocks; 7. a receiving block; 71. a slide block; 72. a moving block; 73. a guide rail; 8. and (5) a material taking device.

Detailed Description

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.

For simplicity of the drawing, only the parts relevant to the utility model are schematically shown in each drawing, and they do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.

It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

In this context, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, in the description of the present utility model, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

In one embodiment, referring to fig. 2 and 3 of the specification, a laser welding wire feeding mechanism provided by the utility model is described, and a fixed structure is arranged on one side of a driving wheel, so that the welding wire is prevented from falling off in the pushing process to a certain extent, and meanwhile, the welding wire is prevented from being displaced in the pushing process, so that errors are avoided in the subsequent cutting process.

Specifically, referring to fig. 1 of the specification, the utility model provides a laser welding wire feeding mechanism, which comprises a fixing frame, a reel 1 and a wire feeding assembly, wherein the fixing frame comprises a vertical fixing column 22 and a horizontal fixing table 21; the reel 1 is arranged at the top of the vertical fixed column 22, a welding wire placing groove is formed in the edge of the reel 1, and welding wires are wound on the welding wire placing groove; the wire feeding assembly is arranged on the horizontal fixing table 21 and comprises a driving wheel, a fixing structure and a first welding wire guiding groove, wherein the driving wheel is connected with the driving device 4, the welding wire is provided with at least one contact surface with the driving wheel, and when the driving device 4 is started, the driving wheel drives the welding wire to move towards the direction far away from the reel; the fixed structure is arranged at one side of the driving wheel, which is contacted with the welding wire, and a middle gap for the welding wire to pass through is formed between the fixed structure and the driving wheel; the first wire guide groove guides the welding wire in the cutting direction.

It should be noted that, the drive wheel that send the silk subassembly to include, after drive arrangement starts, the drive wheel has driven the welding wire to the cutting direction removal, in addition when the welding wire is at the in-process of transmission, still is provided with fixed knot constructs, and this fixed knot constructs to be located in one side that is close to the welding wire to form a very small gap with the drive wheel, make the welding wire only pass through in this gap, restricted the displacement of welding wire in vertical direction.

If such a fixing structure is not provided, when the welding wire is pushed in the cutting direction by the driving wheel, the welding wire is not stable enough due to the vibration or other force generated by the start of the driving device, thereby causing a difference in the subsequent cutting process and the production process thereof, resulting in a poor quality of the workpiece. In addition, the first welding wire guiding groove can limit the displacement of the welding wire in the horizontal direction, so that the pushing process of the welding wire is more stable.

In one embodiment, the laser welding wire feeding mechanism provided by the utility model is based on the embodiment, the driving wheel is provided with a group of driving gear 41 and driven gear 42 which are matched, and a rotating wheel 43 connected with the driven gear 42, and welding wires pass through an intermediate gap formed by the rotating wheel 43 and the fixed structure.

In this embodiment, the driving wheel is set to be a set of driving gear 41 and driven gear 42 which are matched, and the rotating wheel 43 is connected with the driven gear 42, so that the overall transmission efficiency can be increased, if the welding wire is directly arranged on the driving wheel and can be directly pushed, but if the driving wheel is faulty and needs to be replaced, the welding wire is easy to be mistakenly touched, so that the welding wire is inconvenient and unsafe, but after the rotating wheel 43 is arranged, if the driven gear 42 responsible for transmission is faulty, only the faulty gear needs to be disassembled, reinstalled and connected with the rotating wheel 43 again. In addition, compared with other transmission devices, the transmission efficiency and the working life of the gear are longer, and the transmission device is more convenient and efficient for operators on site.

In one embodiment, referring to fig. 2 and 3 of the drawings, the number of driven gears 42 is two, the number of rotating wheels 43 connected to the driven gears 42 is two, a first guide block 5 is provided between the two rotating wheels 43, and a first wire guide groove is provided on the top surface of the first guide block 5.

It should be noted that, the number of the driven gears 42 is set to two, in this case, one driving gear 41 corresponds to two driven gears 42, and the number of the rotating wheels 43 corresponding to the driven gears 42 is also two, so that the driving gear 41 corresponds to two driven gears 42 at first, the two driven gears 42 can operate simultaneously, which increases the efficiency and speed of the pushing process, and meanwhile, when one driven gear 42 fails, the other driven gear 42 can continue to operate, thereby increasing the fault tolerance of the device.

In addition, the first guide block 5 arranged between the two rotating wheels 43 also plays a role in guiding, so that the pushing process is smoother, the two rotating wheels 43 can form a track, welding wires are pushed on the track, the stability and the speed of the bicycle are better than those of the wheelbarrow and the bicycle in the general condition in the advancing process, and the two rotating wheels are also provided with more excellent guiding capability.

In an embodiment, referring to fig. 1 and 2 of the specification, a laser welding wire feeding mechanism provided by the utility model is based on the above embodiment, the fixing structure includes a connecting plate 31 with one end being rotatably connected and the other end being detachably and fixedly connected, a corner bracket 32 is connected to the connecting plate 31, a pressure plate 33 is arranged on the corner bracket, and the pressure plate 33 is located at the top of the rotating wheel 43.

Wherein, this kind of link plate 31 that fixed knot constructs setting one end is rotatable, and the flexibility is higher, for example when needing to load into the welding wire again, only need rotate link plate 31 can accomplish, it is more convenient also more reasonable to the operating personnel with subsequent maintainer, platen 33 that sets up on angle frame 32 also corresponds two runners 43 in the above-mentioned embodiment, platen 33 can form a middle gap with runner 43, the welding wire is pushed in this gap, it is equivalent to having made a dedicated passageway for the welding wire, this passageway makes the welding wire unable to produce the displacement of vertical direction, cooperate with the first welding wire guide slot of first guide block 5, the action track of welding wire has been fixed.

Meanwhile, the connection between the corner frame 32 and the connecting plate 31 can be finely adjusted, and in the long-time use process, if the two pressure plates 33 are worn differently, the corner frame 32 can be rotated, so that the two pressure plates 33 are always in contact with welding wires for compression, the use rate is improved, and the fault tolerance is increased.

In one embodiment, referring to fig. 4 of the foregoing embodiment, a screw fixing device 311 is disposed at one end of the connecting plate 31 fixedly connected to the connecting plate for fixing, the screw fixing device 311 includes a screw 3111, a stand 211 is disposed on the horizontal fixing stand 21, corresponding assembly holes are formed on the top of the stand 211 and the connecting plate 31, and the screw 3111 can sequentially pass through the connecting plate 31 and the corresponding assembly holes on the insertion stand 211 and be pressed.

It should be noted that, the screw fixing device 311 is more convenient and faster than other fixing methods, and can be completed without using other tools, and the fixing of the connecting plate 31 is also helpful for smooth pushing of the welding wire in the pushing process. Assuming that the fixing device is not arranged, vibration is generated in the running process of the equipment, the welding wire jolts in the pushing process, jolts state causes the welding wire to twist to a certain extent, and the like, so that uneven quality of cut slices is caused, and the cutting device is relatively longer and relatively shorter, and also affects the subsequent production process.

In one embodiment, referring to fig. 1 of the drawings, according to another aspect of the present utility model, there is further provided a welding system, including the laser welding wire feeding mechanism provided in the above embodiment, and further including a cutting assembly and an access device, wherein the cutting assembly is installed at an end of the wire feeding assembly, which is adjacent to the wire feeding assembly and is far away from the reel 1, a second guide block 51 is provided at a junction of the wire feeding assembly and the cutting assembly, a second wire guiding groove is provided on the second guide block 51, and the cutting assembly is used for cutting the welding wire guided by the second wire guiding groove; the access device is arranged at the adjacent position of the cutting assembly and is used for storing and transferring the cut welding wires.

The device can realize subsequent cutting, storing and welding functions under the condition that the laser welding wire feeding mechanism is arranged, the cutting assembly can sequentially cut welding wires guided by the second guide block, the cut slices can fall into the storing device, and the storing device can be responsible for storing the slices and take out or suck out the welding wire slices in time.

In one embodiment, referring to fig. 5 and 6 of the specification, a welding system provided by the utility model, a cutting assembly comprises a cutter 61, a cylinder pushing device 6, a return piece and a pressing block 62, wherein the cylinder pushing device 6 is connected with the cutter 61, and when pushing the cylinder, the cutter 61 falls down to realize cutting; the pressing block is arranged above the second guide block 51, is connected with the cylinder pushing device 6 and synchronously presses down during cutting; the return member is connected to the pressing block 62, and when the cutter 61 is lifted, the pressing block 62 is lifted up by the return member.

It should be noted that, the pressing block 62 can play a role in fixing and pressing the welding wire when cutting the welding wire, so that the welding wire is not easy to move or dislocate, the pressing block can move upwards after cutting due to the action of the return piece, the welding wire can be continuously pushed to the cutting direction due to the limitation of no external force, and then the cutter is used for cutting again, so that automation is continuously and repeatedly realized.

In one embodiment, on the basis of the above embodiment, the return member includes a spring 63, the spring 63 is connected to a connecting block 601 provided at the bottom of the cylinder pushing device 6, and the bottom of the spring 63 is connected to a pressing block 62.

Specifically, when the cylinder pushing device 6 starts pushing toward the welding wire, the cutter 61 and the pressing block 62 move downward together, the pressing block 62 presses the welding wire, so that the welding wire cannot move up and down, the cutter 61 cuts while stabilizing the welding wire, after the cutting is completed, the pressing block 62 moves up under the rebound effect due to the return property of the spring 63, and then the same operation is performed to complete multiple cutting.

In one embodiment, referring to fig. 1, 6 and 7 of the specification, the access device of the welding system provided by the utility model comprises a receiving block 7 and a material taking device 8, wherein a storage tank is arranged on the receiving block 7, and the material taking device 8 can move to be right above the storage tank to suck out welding wire slices.

It should be noted that, the receiving block 7 makes the cut welding wire slice drop in the storage tank, which is beneficial to the subsequent operation and the environment of the workbench, if one receiving block 7 is not provided, the cut welding wire slice directly drops, and due to the influence of the external environment and the machine operation, the slice flies around, which affects the normal operation and the operation environment of the workbench, and meanwhile, the welding wire slice is easy to lose because of no storage tank, so that the yield is affected, and the slice amount cut by the same welding wire is less.

In addition, the reclaimer 8 can move to the storage tank to suck out the welding wire slice, then move to the welding equipment, place the welding wire slice at corresponding welding spots, and then the welding equipment can work, so that the cost of a lot of manpower is saved, and the automation of welding is realized.

In one embodiment, referring to fig. 8 of the drawings, the access device further comprises a slider 71, the slider 71 being mounted on the bottom of the receiving block 7, the bottom of the slider 71 being provided with a guide rail 72 translating in a horizontal direction.

The purpose of this is to allow the slide 71 underneath to be slid directly to adjust its position when the guide rail 72 is provided, as the receiving block 7 can be slid within a certain range, as is required to remove the slice stored in the storage tank of the receiving block 7, which is more convenient for the operator and safer to keep away from the cutting assembly.

It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims (10)

1. A laser welding wire feeder, comprising:

the fixing frame comprises a vertical fixing column and a horizontal fixing table;

the reel is arranged at the top of the vertical fixing column, a welding wire placing groove is formed in the edge of the reel, and welding wires are wound on the welding wire placing groove;

wire feeding assembly, wire feeding assembly install in on the horizontal fixed station, wire feeding assembly is including:

a driving wheel connected with the driving device, wherein the welding wire and the driving wheel have at least one contact surface, the driving wheel drives the welding wire to move towards the direction far away from the reel;

the fixing structure is arranged on one side of the driving wheel, which is contacted with the welding wire, and a middle gap for the welding wire to pass through is formed between the fixing structure and the driving wheel;

and the first welding wire guiding groove guides the welding wire out towards the cutting direction.

2. The laser welding wire feeder of claim 1, wherein the drive wheel is a set of cooperating drive and driven gears, and a wheel coupled to the driven gear, the welding wire passing through an intermediate gap defined by the wheel and the fixed structure.

3. The laser welding wire feeder of claim 2, wherein the number of driven gears is two, the number of wheels connected to the driven gears is two, a first guide block is disposed between the two wheels, and the first wire guide slot is disposed on a top surface of the first guide block.

4. A laser welding wire feeder according to claim 3, wherein the fixed structure comprises a connecting plate with one end in rotational connection and the other end in detachable fixed connection, a corner bracket is connected to the connecting plate, a pressure plate is arranged on the corner bracket, and the pressure plate is located at the top of the rotating wheel.

5. The laser welding wire feeder of claim 4, wherein one end of the connecting plate is fixedly connected with a screw fixing device, the screw fixing device comprises a screw, a vertical table is arranged on the horizontal fixing table, corresponding assembly holes are formed in the top of the vertical table and the connecting plate, and the screw can sequentially penetrate through the connecting plate and the corresponding assembly holes in the vertical table and can be inserted into the corresponding assembly holes in the vertical table and pressed.

6. A welding system comprising a laser welding wire feeder of any of claims 1-5, further comprising:

the cutting assembly is arranged at the adjacent position of the wire feeding assembly and is far away from one end of the reel, a second guide block is arranged at the joint of the wire feeding assembly and the cutting assembly, a second welding wire guide groove is formed in the second guide block, and the cutting assembly is used for cutting welding wires guided by the second welding wire guide groove;

and the access device is arranged at the adjacent position of the cutting assembly and is used for storing and taking out the cut welding wire.

7. A welding system as defined in claim 6, wherein said cutting assembly includes a cutter, a cylinder pushing device, a return member and a press block,

the output end of the air cylinder pushing device is connected with the cutter, and the output end of the air cylinder pushing device drives the cutter to move in the vertical direction;

the pressing block is arranged above the second guide block, is connected with the cylinder pushing device and synchronously pushes down during cutting;

the return piece is connected with the pressing block, and when the cutter is lifted, the pressing block is lifted under the action of the return piece.

8. The welding system of claim 7, wherein the return member comprises a spring coupled to a connecting block provided at a bottom of the cylinder pushing device, the bottom of the spring coupled to the pressing block.

9. The welding system of claim 6, wherein the access device comprises a receiving block having a reservoir disposed thereon and a pick-up device movable directly above the reservoir to aspirate the wire slice.

10. The welding system of claim 9, wherein the access device further comprises a slider mounted to a bottom of the receiving block, the slider bottom being provided with a rail that translates in a horizontal direction.