CN112518154A

CN112518154A - Automatic discharge nozzle laser welding clamping device

Info

Publication number: CN112518154A
Application number: CN202011276572.4A
Authority: CN
Inventors: 程观福; 韩超; 费佳晨; 胡慧; 王欣伟
Original assignee: Wuxi International Platinum Co ltd
Current assignee: Wuxi International Platinum Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-03-19

Abstract

The invention relates to the technical field of welding fixture equipment, in particular to an automatic leakage nozzle laser welding clamping device, which aims to solve the problem that clamping is not firm in the welding process of a bottom plate in the prior art, and is technically characterized in that: including accepting the platform, it is provided with in the middle of accepting the platform and holds the holding tank of bottom plate, it is provided with a plurality of crossbeams on the platform to accept, the crossbeam is followed platform length direction arranges the setting, the crossbeam below is provided with the briquetting, each the crossbeam corresponds two briquettings, the briquetting is followed the length direction of crossbeam sets up of sliding, be provided with on the crossbeam fixedly the fixing device of briquetting. Through the briquetting edge the crossbeam length direction slides, can through adjust two distance between the briquetting to form different widths, in order to push down the marginal position of bottom plate effectively, prevent that the bottom plate edge from upwards warping, laser defocuses when causing the optical welding, influences welding quality.

Description

Automatic discharge nozzle laser welding clamping device

Technical Field

The invention relates to the technical field of welding clamp equipment, in particular to an automatic discharge spout laser welding clamping device.

Background

The glass fiber bushing is a high-temperature-resistant noble metal container formed by welding and assembling hundreds of bushing tips and a bottom plate, is used for melting glass, flows out through narrow holes of the bushing tips after the glass is melted into glass liquid, and is externally assisted with wire drawing equipment to draw the glass liquid into filaments reaching micron-sized. The welded assembly between the spout and the base plate of such high temperature precious metal vessels is particularly important in relation to whether the vessel is functioning properly.

In the prior art, the manual argon arc welding method is generally adopted for welding the discharge spout at present: the bottom plate with the assembled discharge spouts is placed on a platform, and the discharge spouts are manually welded on the bottom plate one by one, and the method has the following defects: 1. the discharge spout is contacted with the platform, and the discharge spout is easily damaged and deformed by external force due to clamping pressure in the welding process. 2. The discharge spout is contacted with the platform and is in a high-temperature state in the welding process, so that impurities are easily contaminated, and the discharge spout is polluted and poisoned. 3. The bottom plate is clamped insecurely in the welding process and is easy to deform at high temperature. 4. In the manual welding process, as the bottom plate is longer (up to 800mm), a section of the bottom plate needs to be welded, all clamping fixtures are moved, and clamping is carried out again, which is very complicated.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the defects that the bottom plate is not firmly fixed and is easy to deform in the welding process in the prior art, thereby providing the automatic nozzle laser welding clamping device.

The technical purpose of the invention is realized by the following technical scheme:

the utility model provides an automatic laser welding clamping device is chewed to leak for clamping leak and bottom plate, including accepting the platform, it holds to accept to be provided with in the middle of the platform the holding tank of bottom plate, it is provided with a plurality of crossbeams on the platform to accept, the crossbeam is followed platform length direction arranges the setting, the crossbeam below is provided with the briquetting, each the crossbeam corresponds two briquetting, the briquetting is followed the length direction of crossbeam slides the setting, be provided with on the crossbeam fixedly the fixing device of briquetting.

Preferably, the cross beam is provided with a through groove along the length direction of the cross beam, the fixing device comprises a fixing bolt located in the through groove, the fixing bolt is arranged in a sliding manner along the length direction of the cross beam, and the fixing bolt is inserted on the pressing block.

Preferably, the platform is provided with a plurality of T-shaped grooves, square nuts are arranged in the T-shaped grooves, locking screws inserted in the T-shaped grooves are further arranged in the penetrating grooves, and the locking screws are matched with the square nuts.

Preferably, the two ends of the length direction of the accommodating groove are also provided with cushion blocks, the cushion blocks at the two ends are arranged at equal height, and when the bottom plate with the assembled discharge spout is arranged on the platform, the cushion blocks are higher than the discharge spout extending out of the bottom plate.

Preferably, the height of the cushion block is 0.5mm higher than the height of the discharge spout extending out of the bottom plate.

Preferably, the number of the cross beams is at least four, two of the cross beams are located at two ends of the accommodating groove in the length direction, and the rest of the cross beams are located above the accommodating groove.

Preferably, the cushion block and the pressing block are both made of copper alloy materials.

According to the automatic discharge spout laser welding device, the pressing blocks slide along the length direction of the cross beam, and the distance between the two pressing blocks can be adjusted, so that different widths are formed, the edge position of the bottom plate is effectively pressed, the edge of the bottom plate is prevented from warping upwards, laser defocusing is caused during light welding, and welding quality is affected.

Drawings

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

Fig. 1 is a schematic structural diagram of an automatic nozzle laser welding device according to an embodiment of the invention.

Description of reference numerals:

1. a bearing platform, 11 and a holding tank; 111. cushion blocks; 12. a T-shaped groove; 2. a cross beam; 21. briquetting; 22. a through groove; 221. fixing the bolt; 222. locking the screw; 3. a base plate; 31. a discharge spout.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, an automatic nozzle laser welding device is used for clamping a nozzle 31 and a bottom plate 3, and includes a receiving platform 1, a receiving groove 11 for receiving the bottom plate 3 is disposed in the middle of the receiving platform 1, in an embodiment, a plurality of beams 2 are disposed on the receiving platform 1, the beams 2 are arranged along the length direction of the platform, press blocks 21 are disposed below the beams 2, each beam 2 corresponds to two press blocks 21, the press blocks 21 are slidably disposed along the length direction of the beam 2, and a fixing device for fixing the press blocks 21 is disposed on the beam 2. Through briquetting 21 along 2 length direction slides of crossbeam, can through adjust two distance between the briquetting 21 to form different widths, so that push down the marginal position of bottom plate 3 effectively, prevent 3 marginal upwards warping of bottom plate, laser defocusing when causing the optical welding influences welding quality.

Referring to fig. 1, in an embodiment, the cross beam 2 is provided with a through slot 22 along a length direction thereof, the fixing device includes a fixing bolt 221 located in the through slot 22, the fixing bolt 221 is slidably disposed along the length direction of the cross beam 2, and the fixing bolt 221 is inserted into the pressing block 21. The relative position between the pressing block 21 and the cross beam 2 is fixed through the fixing bolt 221, so that the pressing block 21 is prevented from shaking in the welding process.

Referring to fig. 1, in an embodiment, a plurality of T-shaped grooves 12 are formed in the platform, square nuts (not shown) are disposed in the T-shaped grooves 12, locking screws 222 inserted into the T-shaped grooves are further disposed in the through grooves 22, and the locking screws 222 are disposed in cooperation with the square nuts. Through the cooperation between locking screw 222 and the square nut, fixed crossbeam 2 with the relative position between the platform to, through locking screw 222's setting, in the welding process, the loosening locking screw 222 makes crossbeam 2 can slide in the length direction of holding tank 11.

Referring to fig. 1, in an embodiment, two ends of the receiving groove 11 in the length direction are further provided with a spacer block 111, the spacer blocks 111 at the two ends are arranged at equal height, and when the bottom plate 3 with the nozzle 31 assembled is placed on a platform, the height of the spacer block 111 is higher than the height of the nozzle 31 extending out of the bottom plate 3, and further, the height of the spacer block 111 is 0.5mm higher than the height of the nozzle 31 extending out of the bottom plate 3. Through the arrangement of the cushion block 111, the non-contact between the discharge spout 31 and the platform is ensured, so that the discharge spout 31 is protected.

Referring to fig. 1, in some embodiments, at least four beams 2 are disposed, two beams 2 are located at two ends of the accommodating groove 11 in the length direction, and the rest beams 2 are located above the accommodating groove 11. In one embodiment, the number of the cross beams 2 is four. In the welding process, the positions of the bottom plates 3 are fixed through the cross beams 2 at the two ends, a new welding area is formed between the middle cross beams 2 in the welding process through the middle cross beam 2, the two ends of the area in the length direction are limited and protected by the middle cross beam 2, and the deformation in the welding process can be controlled within an acceptable range.

In some embodiments, the pad 111 and the compact 21 are made of a copper alloy material. The cushion block 111 and the pressing block 21 formed by the copper alloy can effectively conduct and dissipate heat caused by welding, and simultaneously avoid polluting the precious metal of the bottom plate 3.

The working principle is as follows:

the bottom plate 3 with the assembled discharge spouts 31 is arranged in the accommodating grooves 11 of the platform, the equal-height cushion blocks 111 are arranged on the lower surfaces of the two ends of the length direction of the bottom plate 3, the pressing block 21 is fixed on the cross beam 2 through the fixing bolt 221, then the cross beam 2 fixed with the pressing block 21 is fixed at the two ends of the length direction of the bottom plate 3, the cross beam 2 is fixed through the locking screw 222, then the two cross beams 2 above the accommodating grooves 11 are fixed, and preliminary clamping is completed. Laser automatically starts welding from the left end of the bottom plate 3, after welding of a certain distance area is completed, the two cross beams 2 in the middle are loosened, and a certain distance is rightwards, so that a new welding area is formed between the two cross beams 2 in the middle, the operation is repeated until welding of the nozzle 31 on the whole bottom plate 3 is completed, all the cross beams 2 can be loosened, and the bottom plate 3 is taken down.

The application provides an automatic leak and chew laser welding clamping device for carry out clamping, protection and prevent to warp bottom plate 3 and leak 31 when the welding, be used for PMKD 3, protection leak 31 among the welding process, prevent that bottom plate 3 from being heated deformation, guarantee that leak 31 can not defocus, a clamping completion work in welding process.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. The utility model provides an automatic laser welding clamping device is chewed to leak for the clamping leak (31) and bottom plate (3), including accepting platform (1), it holds to accept to be provided with in the middle of platform (1) holding tank (11) of bottom plate (3), its characterized in that: accept and be provided with a plurality of crossbeams (2) on platform (1), crossbeam (2) are followed platform length direction arranges the setting, crossbeam (2) below is provided with briquetting (21), each crossbeam (2) correspond two briquetting (21), briquetting (21) are followed the length direction of crossbeam (2) slides the setting, be provided with on crossbeam (2) and fix the fixing device of briquetting (21).

2. The automatic nozzle laser welding device according to claim 1, wherein: the cross beam (2) is provided with a through groove (22) along the length direction of the cross beam, the fixing device comprises a fixing bolt (221) located in the through groove (22), the fixing bolt (221) is arranged in a sliding mode along the length direction of the cross beam (2), and the fixing bolt (221) is inserted into the pressing block (21).

3. The automatic nozzle laser welding device according to claim 2, wherein: the platform is provided with a plurality of T-shaped grooves (12), square nuts are arranged in the T-shaped grooves (12), locking screws (222) inserted in the T-shaped grooves are further arranged in the penetrating grooves (22), and the locking screws (222) are matched with the square nuts.

4. The automatic nozzle laser welding device according to claim 3, wherein: the two ends of the length direction of the accommodating groove (11) are further provided with cushion blocks (111), the cushion blocks (111) at the two ends are arranged at the same height, and when the bottom plate (3) with the discharge spout (31) assembled is arranged on the platform, the cushion blocks (111) are higher than the height of the discharge spout (31) extending out of the bottom plate (3).

5. The automatic nozzle laser welding device according to claim 4, wherein: the height of the cushion block (111) is 0.5mm higher than the height of the discharge spout (31) extending out of the bottom plate (3).

6. The automatic nozzle laser welding device according to claim 5, wherein: the number of the cross beams (2) is at least four, two of the cross beams (2) are located at two ends of the accommodating groove (11) in the length direction, and the rest of the cross beams (2) are located above the accommodating groove (11).

7. The automatic nozzle laser welding device according to claim 6, wherein: the cushion block (111) and the pressing block (21) are both made of copper alloy materials.