CN109570671B

CN109570671B - Welding device for frame and brazing filler metal

Info

Publication number: CN109570671B
Application number: CN201910085098.8A
Authority: CN
Inventors: 张跃; 徐国新; 宋飞跃; 陈榆
Original assignee: Broad Sustainable Building Co
Current assignee: Broad Sustainable Building Co
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2021-03-23
Anticipated expiration: 2039-01-29
Also published as: CN109570671A

Abstract

A welding set of frame and brazing filler metal includes: the frame conveying mechanism is arranged on the workbench and used for conveying frames along a conveying path; the material tray is arranged on the side part of the frame conveying mechanism and used for winding brazing filler metal; the laser is arranged beside the conveying path of the frame and used for welding the brazing filler metal at the edge of the frame in the conveying process of the frame; the solder guiding mechanism comprises a pressing wheel, when the frame is conveyed to the position of the pressing wheel, the solder is arranged between the edge of the frame and the pressing wheel, and the solder is made to cling to the edge of the frame. On one hand, the invention has simple and compact structure and low cost, and greatly reduces the occupied area of the field; on the other hand, the laminating tightness of brazing filler metal and frame border can be improved, and then work efficiency is improved, and the defective percentage is reduced.

Description

Welding device for frame and brazing filler metal

Technical Field

The invention relates to welding equipment, in particular to a welding device for a frame and brazing filler metal.

Background

The core plate designed by our factory comprises a first face plate, a second face plate and a sandwich layer arranged between the first face plate and the second face plate, wherein the sandwich layer is connected with the two face plates through brazing. The manufactured core board can be used in various fields of building structures, vehicles, ships, airplanes, space equipment, containers, bridges, roads, tunnels, rail bases, furniture, culvert pipes, vacuum pipes, bags and the like. At least two opposite sides of the core plate are provided with frames so as to connect and protect the core tube and the like. The periphery of the core plate is sealed by a frame.

If the frame is connected after the core board is brazed, not only the assembly line and related equipment are increased, but also the working efficiency is greatly reduced. In order to shorten the working time and improve the working efficiency, the inventor thinks that the frame, the sandwich layer and the panel are simultaneously brazed, and a plurality of core plates can be stacked in a brazing furnace and simultaneously brazed, thereby realizing the mass production, and the brazing can improve the connection strength of the frame and the core plates without damaging the base material.

Therefore, before brazing, brazing filler metal needs to be laid on the edge of the frame in advance, and because a set of special equipment for realizing the technology does not exist in the prior art, a set of equipment for solving the technical problems needs to be designed urgently, so that the purposes of simple structure, low cost, reduction of occupied area of a field and combination of the frame and the brazing filler metal can be achieved.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide a welding device for a frame and brazing filler metal, which has a simple and compact structure and is low in cost.

The technical scheme of the invention is as follows: a welding set of frame and brazing filler metal includes:

the frame conveying mechanism is arranged on the workbench and used for conveying frames along a conveying path;

the material tray is arranged on the side part of the frame conveying mechanism and used for winding brazing filler metal;

the laser is arranged beside the conveying path of the frame and used for welding the brazing filler metal at the edge of the frame in the conveying process of the frame;

the solder guiding mechanism comprises a pressing wheel, when the frame is conveyed to the position of the pressing wheel, the solder is arranged between the edge of the frame and the pressing wheel, and the solder is made to cling to the edge of the frame.

Further, frame conveying mechanism includes the base that two intervals set up, is equipped with two sets of leading wheels that are used for driving the frame removal on the base, and two sets of leading wheels set up from top to bottom.

Furthermore, the upper and lower two groups of guide wheels are arranged in a staggered manner, so that the edges of the two sides of the frame are clamped between the wheel bodies of the two groups of guide wheels.

Furthermore, a wheel body of one of the guide wheels is provided with a gear, one side of the gear is provided with a main gear meshed with the gear, and the main gear is driven to rotate by a motor.

Furthermore, two fixing bases are symmetrically arranged between the two bases, the pressing wheels are arranged on the inner sides of the two fixing bases, and the outer sides of the two fixing bases are connected with the laser.

Further, the laser head of the laser faces the direction of the pressing wheel.

Furthermore, a baffle is arranged at the position of a laser head of the laser, a hole is formed in the baffle, and the laser head extends into the hole.

Further, the leading-in mechanism of brazing filler metal still includes two director that the symmetry set up, and the frame passes through director and pinch roller along conveying path in proper order, and the brazing filler metal is located between frame and the director and between frame and the pinch roller, compresses tightly the brazing filler metal through the pinch roller, makes the border of the automatic frame of laminating of brazing filler metal through the director.

Further, the frame comprises a plate body and the edge vertically extending out of the plate body, and the plate body is of a plane structure or a bending structure.

Further, the distance between the two bases is smaller than the length of the frame.

The invention has the beneficial effects that:

(1) the structure is simple and compact: the frame conveying mechanism, the material tray, the laser and the brazing filler metal lead-in mechanism are integrated on the workbench, so that more site area is not occupied, and the brazing filler metal can be welded with the frame without a long assembly line;

(2) due to the design of the brazing filler metal guiding mechanism, the fitting tightness of the brazing filler metal and the edge of the frame can be improved, the working efficiency is further improved, and the defective rate is reduced;

(3) the frame conveying mechanism is only provided with two bases, and the guide wheels are designed on the bases, so that the conveying of the frames can be realized, and a longer conveying belt or conveying chain is not designed like the prior art, so that the structure is greatly simplified, and the occupied area of a field is reduced;

(4) the staggered arrangement of the two groups of guide wheels ensures that the edges of the two sides of the frame can be clamped between the wheel bodies of the two groups of guide wheels, so that the frame cannot be inclined, and when the frame enters the guide wheels of the next base, the frame can be aligned and enters the base without manual adjustment.

Drawings

FIG. 1 is a schematic structural view of embodiment 1 of the present invention;

FIG. 2 is an enlarged schematic view of the structure of a brazing filler metal introducing mechanism of embodiment 1 shown in FIG. 1;

FIG. 3 is a schematic diagram of a scanning track of a frame in embodiment 1 of the present invention;

FIG. 4 is a schematic view showing the operation of the brazing filler metal introducing mechanism in example 1 of the present invention.

The attached drawings indicate the following:

1. a frame conveying mechanism; 2. a material tray; 3. a laser; 4. a brazing filler metal introducing mechanism; 5. a work table; 6. a frame; 7. brazing filler metal; 8. a fixed seat;

11. a base; 12. a guide wheel; 31. a laser connecting plate; 41. a pinch roller; 42. a guide body; 61. a plate body; 62. an edge; 81. a base plate; 82. a mounting seat;

121. a wheel body; 411. a pinch roller mounting member; 412. a groove; 421. a guide body connecting plate; 422. a horizontal plate; 423. a vertical plate.

Detailed Description

The invention will be described in further detail below with reference to the drawings and specific examples.

Example 1

As shown in fig. 1 to 4: a welding device for a frame and brazing filler metal comprises a frame conveying mechanism 1, a material tray 2, a laser 3 and a brazing filler metal introducing mechanism 4; the frame conveying mechanism is arranged on the workbench 5.

In this embodiment, the frame 6 includes a plate body 61 and an edge 62 extending perpendicularly along the plate body 61, and the plate body 61 is of a bending structure, and the bending structure can improve the strength of the frame 6.

In this embodiment, frame conveying mechanism 1 includes two bases 11 that the interval set up, is equipped with two sets of leading wheels 12 that are used for driving the frame removal on base 11, and two sets of leading wheels 12 set up from top to bottom. The guide wheels of one base are used for inputting the frame, the guide wheels of the other base are used for outputting the frame, and a conveying path of the frame is formed between the two bases 11. The distance between the bases is smaller than the length of the frame, so that the frame can smoothly enter the space between the guide wheels of the other base from one base.

In this embodiment, each set of guide wheels 12 includes two wheels 121 connected by a shaft. Two sets of leading wheels dislocation set from top to bottom for the border of frame both sides can press from both sides and locate between the wheel body of two sets of leading wheels, and like this, the border of frame receives the restriction of controlling two wheel bodies, just can not produce crooked, when the frame gets into between the leading wheel of next base, can adjust the entering well, can need not artifical the adjustment.

In this embodiment, a gear is disposed on an outer wall of one of the guiding wheels 12 of the base 11, and a main gear is disposed on the base and meshed with the gear on the wheel, and the main gear is connected to the motor shaft. The motor drives the main gear to rotate, and then drives the guide wheel to rotate, so that the frame is conveyed forwards.

In this embodiment, the number of the trays 2 is two, and the trays may be disposed on both sides of the conveying path of the frame, or on both sides of the base in the input direction of the frame. The brazing filler metal 7 is wound on the material tray 2, the material tray 2 can be driven by the motor to rotate to output the brazing filler metal, and therefore the brazing filler metal is prevented from being broken due to the phenomena of hard pulling, hard pulling and the like.

In this embodiment, two fixing bases 8 are symmetrically arranged between two bases 11, a laser 3 and a solder introducing mechanism 4 are connected to the fixing bases 8, and the solder introducing mechanism 4 includes a pressing wheel 41 and a guide body 42. The method specifically comprises the following steps: the fixing seat 8 comprises a bottom plate 81 and two vertically-arranged mounting seats 82 arranged on the bottom plate, the inner sides of the two mounting seats 82 are respectively connected with pinch rollers 41 through pinch roller mounting pieces 411, and the distance between the two pinch rollers 41 is required to meet the requirement that the frame 6 passes through. When the frame 6 passes through, the brazing filler metal 7 can be just inserted into the gap between the frame 6 and the pressing wheel 41, and the brazing filler metal 7 can be tightly attached to the edge 62 of the frame. The pinch roller 41 can rotate, so that the frame can pass through smoothly, and friction is reduced. Laser connecting plate 31 respectively extends in the outside of two mount pads 82, installs laser 3 on the laser connecting plate 31, and the laser head of laser 3 is towards the pinch roller direction, and when frame 6 passed through pinch roller 41, brazing filler metal 7 pasted the border 62 of tight frame, and brazing filler metal 7 on the frame is welded to laser 3.

In this embodiment, the guide body connecting plate 421 respectively extends from the front sides of the two mounting seats 82, the guide body 42 is connected to the guide body connecting plate 421, the guide body 42 is an L-shaped plate, and includes a horizontal plate 422 and a vertical plate 423, the horizontal plate 422 is fixedly connected to the guide body connecting plate 421, the vertical plates 423 of the guide body on the two mounting seats are arranged relatively, and the distance between the two vertical plates 423 is required to satisfy that the frame can pass through. The guide body 42 is used for restricting the position of brazing filler metal, and the brazing filler metal must pass through from the vertical board front side of guide body 42 promptly to reach pinch roller 41 department, like this, the brazing filler metal just can receive the restriction of guide body 42, because the brazing filler metal is convoluteed on the charging tray, and itself is crooked, if there is not the guide body, the brazing filler metal can deviate the frame too far, not only leads to the difficult tight frame that pastes of brazing filler metal, causes pulling of brazing filler metal moreover easily. When frame 6 passes through director 42 and pinch roller 41 in proper order along conveying path, brazing filler metal 7 is in between frame 6 and the director 42 and between frame 6 and pinch roller 41, compresses tightly brazing filler metal 7 through pinch roller 41, makes brazing filler metal 7 be close to 62 departments in border of frame 6 automatically through the vertical board 423 of director, can not produce great clearance, can improve the inseparable degree of laminating at brazing filler metal and frame border, and then improve welding quality. The distance between the frame and the vertical plate of the guide body is preferably close to or equal to the thickness of the brazing filler metal, so that the brazing filler metal can be attached to the edge of the frame.

The working principle of the embodiment is as follows: the frame 6 is placed between two groups of guide wheels 12 of a base located in an input direction, the edge 62 of the frame is placed upwards, the edge 62 is clamped between wheel bodies 121 of the two groups of guide wheels, a motor is started and drives a main gear to rotate, the main gear drives gears on the wheel bodies to rotate, for example, the gears are arranged on the wheel bodies of the lower side guide wheels, the gears are not arranged on the upper side guide wheels, when the wheel bodies of the lower side guide wheels rotate, the frame moves forwards, before the frame does not move to the guide bodies, the brazing filler metal 7 can be wound around from the front sides of vertical plates 423 of the guide bodies and placed at the pressure wheels in advance, the brazing filler metal can be manually placed at the pressure wheels when the frame is quickly conveyed to the pressure wheels, and the brazing filler metal can also be placed at the. The pressing wheel of this embodiment is provided with a groove 412, and the brazing filler metal 7 can be clamped into the groove 412 in advance. When the frame 6 reaches the pinch roller 41, the brazing filler metal 7 is pasted at the border of the frame 6, the brazing filler metal 7 on the frame is continuously swept and welded by the laser 3, the brazing filler metal 7 can automatically be pasted at the border of the frame along with the forward movement of the frame due to the limiting effect of the guide body 42, and the brazing filler metal is fixed at the border of the frame by the laser 3 through continuous sweeping and welding. The frame moves forwards and automatically enters between the two groups of guide wheels of the base positioned in the output direction until the brazing filler metal is completely welded at the edge of the frame.

The embodiment can realize perfect fitting and welding of the frame and the brazing filler metal, greatly improves welding quality, and is simple in equipment structure, compact in structure and small in occupied area.

Example 2

The difference with embodiment 1 lies in that the laser head position department of laser instrument is equipped with the baffle, is equipped with the hole on the baffle, and the laser head stretches into in the hole, realizes the welding to frame and brazing filler metal. The baffle is arranged, because the laser easily causes high light reflection in the welding process, the reflected high light can affect the performance of the laser, and the welding is affected.

The other structure is the same as that of embodiment 1.

Example 3

The difference from embodiment 1 is that the frame includes a plate body and an edge extending vertically along the plate body, and the plate body is a flat plate.

The other structure is the same as that of embodiment 1.

Claims

1. The utility model provides a welding set of frame and brazing filler metal which characterized in that includes:

the frame conveying mechanism is arranged on the workbench and used for conveying frames along a conveying path, and comprises two bases which are arranged at intervals, two groups of guide wheels used for driving the frames to move are arranged on the bases, the two groups of guide wheels are arranged up and down, and the two groups of guide wheels are arranged in a staggered manner, so that the edges of the two sides of the frames are clamped between the wheel bodies of the two groups of guide wheels;

2. A welding device for frame and solder according to claim 1, wherein a wheel body of the guiding wheels is provided with a gear, one side of the gear is provided with a main gear engaged with the gear, and the main gear is driven by a motor to rotate.

3. The welding device for the frame and the brazing filler metal according to claim 1 or 2, wherein two fixing seats are symmetrically arranged between the two bases, the pinch rollers are arranged on the inner sides of the two fixing seats, and the lasers are connected to the outer sides of the two fixing seats.

4. The welding device for the frame and the brazing filler metal according to claim 1 or 2, wherein a laser head of the laser faces the direction of the pressing wheel.

5. The welding device for the frame and the brazing filler metal according to claim 1 or 2, wherein a baffle is arranged at the position of a laser head of the laser, a hole is formed in the baffle, and the laser head extends into the hole.

6. The welding device of the frame and the brazing filler metal according to claim 3, wherein the brazing filler metal guiding mechanism further comprises two symmetrically arranged guide bodies, the frame sequentially passes through the guide bodies and the pinch roller along the conveying path, the brazing filler metal is arranged between the frame and the guide bodies and between the frame and the pinch roller, the brazing filler metal is pressed by the pinch roller, and the brazing filler metal is automatically attached to the edge of the frame through the guide bodies.

7. The welding device for the frame and the brazing filler metal according to claim 6, wherein the frame comprises a plate body and the edge vertically extending out of the plate body, and the plate body is of a planar structure or a bent structure.

8. The welding device of claim 1, wherein the distance between the two bases is less than the length of the frame.