CN219633011U

CN219633011U - Welding device for ultrathin square tube

Info

Publication number: CN219633011U
Application number: CN202320677378.XU
Authority: CN
Inventors: 李坤; 刘沂松
Original assignee: Zhejiang Zz Precision Technology Co ltd
Current assignee: Zhejiang Zhongze Precision Technology Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-09-05
Anticipated expiration: 2033-03-31

Abstract

The utility model provides a welding device for an ultrathin square tube, which is characterized in that a workbench is provided with a plurality of mounting holes on the top surface; the air cylinders are symmetrically arranged on the workbench; the clamping assembly comprises a baffle and a push plate, the baffle is fixed on the workbench through a mounting hole, a supporting plate is fixedly connected to the baffle, and a sliding block is arranged on the supporting plate in a sliding manner; the pushing plate is arranged at the output end of the air cylinder, an inner lining plate is arranged between the pushing plate and the supporting plate, and a pipe fitting is sleeved on the inner lining plate; and a laser fixed on the workbench. According to the welding device for the ultrathin square tube, the clamping assembly is utilized, the tube fitting is placed on the inner lining plate to enable the welding opening of the tube fitting to face the laser, the push plate is driven by the cylinder to be close to the inner lining plate, meanwhile, the sliding block is pushed by the push plate to enable the tube fitting to be attached to the supporting plate, and therefore rapid clamping is achieved, meanwhile, welding parts of the tube fitting are tightly attached, and welding quality is improved.

Description

Welding device for ultrathin square tube

Technical Field

The utility model relates to the technical field of square tube welding, in particular to a welding device for an ultrathin square tube.

Background

Square tubes are also called square aluminum tubes, which are aluminum tubes having equal or unequal side lengths, and thin square tubes are usually formed by welding thin square tubes by bending aluminum and joining the metals in the welded portions at high temperature.

According to the patent number: CN105328365a, publication date: 2016-02-17, has disclosed the welded structure of a kind of thin-walled female screw sleeve, including thin-walled tube and connecting plate, there are internal threads in the said thin-walled tube, there are welded holes that match and weld with thin-walled tube on the said connecting plate, the welded structure of the said thin-walled tube also includes the cooling device used with thin-walled tube in cooperation; the welding method of the thin-wall internal thread sleeve comprises the following steps: surface treatment, mounting a cooling pipe, fixing a thin-wall pipe, injecting heat conducting oil, welding, detecting a welding line and the like. By arranging the cooling pipe in the thin-wall pipe and applying the welding method disclosed by the utility model, partial heat generated by welding can be absorbed, so that the internal thread is prevented from being embrittled at the tip and deformed and damaged.

Including among the above-mentioned patent prior art, the thin square pipe of centre gripping utilizes the welding machine to weld it, and current centre gripping mode usually uses the mode of screw thread to carry out the centre gripping, then need multiple spot centre gripping to the longer square pipe of welding, and the square pipe often can appear the concatenation uneven between the grip point, can appear welding penetration, solder joint, weld hole's phenomenon during the welding, has influenced welded quality greatly.

Disclosure of Invention

The present utility model aims to solve the problems described above in the prior art, and aims to solve the problems that when welding a thin and long square pipe, the welding quality is affected by performing multipoint clamping by using a screw thread mode (such as a clamping tool such as a G-type clamp, a small bench vice, etc.).

In order to achieve the above object, the present utility model can be achieved by the following technical scheme: a welding device for ultra-thin square tubes, comprising:

the top surface of the workbench is provided with a plurality of mounting holes;

the air cylinders are symmetrically arranged on the workbench;

the clamping assembly comprises a baffle and a push plate, the baffle is fixed on the workbench through a mounting hole, a supporting plate is fixedly connected to the baffle, and a sliding block is arranged on the supporting plate in a sliding manner;

the pushing plate is arranged at the output end of the air cylinder, an inner lining plate is arranged between the pushing plate and the supporting plate, and a pipe fitting is sleeved on the inner lining plate;

the laser is fixed on the workbench, and the output end of the laser faces the pipe fitting.

According to the embodiment of the utility model, the slide block and the push plate are both provided with the inclined parts, and the two inclined parts are matched.

In the embodiment of the utility model, the slide block and the push plate are both provided with the pressing part for pressing the pipe fitting.

According to the embodiment of the utility model, the distance between the pressing parts is more than or equal to 3mm.

According to the embodiment of the utility model, copper strips matched with the pipe fittings are symmetrically arranged on the inner lining plate.

In the embodiment of the utility model, the copper bar is provided with a groove.

According to the embodiment of the utility model, the workbench is connected with the fixing plate in a threaded manner, and the fixing plate is connected with the air cylinder.

In the embodiment of the utility model, the supporting plate is provided with the sliding groove, and the sliding block is positioned in the sliding groove to slide.

Compared with the prior art, the utility model has the advantages that: utilize the clamping assembly, place its welding opening towards the laser instrument on the interior welt with the pipe fitting, then the cylinder orders about the push pedal and is close to interior welt, and the slider is pushed by the push pedal simultaneously and is made pipe fitting laminating backup pad, and then makes pipe fitting welded part closely laminate when realizing quick clamping to this improves welding quality.

Drawings

FIG. 1 is a schematic view of the overall structure of a welding apparatus;

FIG. 2 is a partially enlarged schematic illustration;

fig. 3 is a schematic plan view of the whole.

Reference numerals illustrate:

1. a laser; 2. a clamping assembly; 20. a chute; 21. a baffle; 22. a support plate; 23. a pipe fitting; 24. copper bars; 241. a groove; 25. a push plate; 26. an inner liner; 27. a slide block; 28. an inclined portion; 29. a pressing part; 3. a work table; 4. a cylinder; 5. and a fixing plate.

Detailed Description

The following is a specific embodiment of the present utility model and a further description of the technical solution of the present utility model is provided with reference to the accompanying drawings.

As shown in fig. 1 to 3, a welding device for an ultra-thin square tube, comprising:

the top surface of the workbench 3 is provided with a plurality of mounting holes;

the air cylinders 4 are symmetrically arranged on the workbench 3;

the clamping assembly 2 comprises a baffle 21 and a push plate 25, wherein the baffle 21 is fixed on the workbench 3 through a mounting hole, a supporting plate 22 is fixedly connected to the baffle 21, and a sliding block 27 is slidably arranged on the supporting plate 22;

the push plate 25 is arranged at the output end of the air cylinder 4, a lining plate 26 is arranged between the push plate 25 and the supporting plate 22, and a pipe fitting 23 is sleeved on the lining plate 26;

a laser 1, which is fixed to a table 3 with its output end directed towards said tube 23.

Specifically, a plurality of mounting holes have been seted up to workstation 3 top surface, and cylinder 4 symmetry sets up on workstation 3, and clamping assembly 2 includes baffle 21 and push pedal 25, baffle 21 is fixed in on workstation 3 through the mounting hole, link firmly backup pad 22 on the baffle 21, the slip is provided with slider 27 on the backup pad 22, push pedal 25 sets up in the output of cylinder 4, push pedal 25 with be provided with interior welt 26 between the backup pad 22, interior welt 26 is aluminum plate, cup jointed pipe fitting 23 on the interior welt 26, laser 1 is fixed in on the workstation 3, and the output orientation pipe fitting 23, pipe fitting 23 is for taking the aluminium hem to form, is placing pipe fitting 23 on interior welt 26, utilizes cylinder 4 to order about the inside welt 26 to slide of push pedal 25, and slider 27 that the push pedal 25 supported pushes away upwards slides simultaneously, makes pipe fitting 23 receive horizontal and vertical synchronous removal clamp, makes the welding portion of pipe fitting 23 closely laminate, carries out the high temperature welding through laser 1 afterwards.

As the embodiment that further provides, slider 27 with all be provided with tilting portion 28 on the push pedal 25, two tilting portion 28 cooperate, when push pedal 25 is pushed away by cylinder 4 and is slided, push pedal 25 makes slider 27 slide along vertical direction through tilting portion 28, and interior welt 26 upwards slides simultaneously, realizes horizontal and vertical synchronous movement and presss from both sides tightly, and leaves the surplus and guarantee that vertical direction is pushed in place.

As the embodiment of the utility model provides a further, the interval between the pressing part 29 is not less than 3mm, and the interval of pressing part 29 is in order to be convenient for laser instrument 1 carries out high temperature welding, and the interval of little distance has also embodied pressing part 29 to the body clamping degree simultaneously, has prevented the uneven phenomenon of body concatenation.

As the embodiment of the utility model provides a further, the symmetry is provided with on the interior welt 26 with pipe fitting 23 matched with copper bar 24, and copper bar 24 is fixed in interior welt 26 through the bolt, and the tube shell is placed on copper bar 24 and inside lining, can prevent that the tube shell from contracting and warp, can guarantee again that the back is welded and is conveniently taken out.

As an embodiment of the present utility model, the copper bar 24 is provided with the groove 241, the groove 241 is located at the symmetry center of the copper bar 24, so that the laser 1 is convenient to weld the pipe 23, thereby reducing the damage to the copper bar 24 and the inner lining 26, and allowing smoke to be discharged from two sides, so as to reduce the welding point and the welding hole in the welding process.

As the embodiment of the utility model provides a further, threaded connection has fixed plate 5 on the workstation 3, fixed plate 5 with cylinder 4 is connected, and fixed plate 5 is specifically fixed in on the fixed plate 5 through the bolt, and its main effect is that support cylinder 4, makes cylinder 4 during operation more stable.

As the embodiment of the utility model provides a further, the spout 20 has been seted up on the backup pad 22, the slider 27 is located slide in the spout 20, spout 20 is specifically that backup pad 22 is seted up along vertical direction, and slider 27 can only follow vertical direction and slide promptly, and spout 20 plays the limiting displacement simultaneously, restriction slider 27 sliding distance from top to bottom for can be all the time with tilting portion 28 contact between slider 27 and the push pedal 25, guarantee that the next time can reset fast and press from both sides tightly.

Working principle: firstly, the pipe fitting 23 is sleeved on the lining plate 26, the air cylinder 4 is utilized to drive the pushing plate 25 to be continuously close to the lining plate 26, and as the sliding block 27 and the pushing plate 25 are respectively provided with the mutually matched inclined parts 28, the sliding block 27 is pushed to slide upwards gradually in the sliding process of the pushing plate 25, the lining plate 26 moves upwards along with the sliding block 27 and contacts with the pressing part 29 of the supporting plate 22, meanwhile, the pressing part 29 of the pushing plate 25 also contacts with the welding part of the pipe fitting 23, the two pressing parts 29 simultaneously press the welding part of the pipe fitting 23 to enable the welding part to be tightly attached, and the welding part is welded through the laser 1, so that the welding quality of the pipe fitting 23 is improved.

The technical scheme of the utility model provides a solution which is obviously different from the prior art aiming at the technical problem that the prior art solution is too single, and the technical scheme of the utility model does not relate to the same parts as the prior art or can be realized by adopting the prior art, and is not repeated.

The foregoing embodiments have been described in a clear and complete manner, and it is apparent that the embodiments described are merely some, but not all, of the embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Claims

1. A welding set for ultra-thin square pipe, characterized by, include:

the air cylinders are symmetrically arranged on the workbench;

2. The welding device for the ultrathin square tube according to claim 1, wherein the sliding block and the pushing plate are provided with inclined parts, and the two inclined parts are matched.

3. The welding device for the ultra-thin square tube according to claim 1, wherein the slider and the push plate are provided with pressing portions for pressing the tube.

4. A welding device for ultra-thin square pipes according to claim 3, wherein the distance between the pressing parts is not less than 3mm.

5. The welding device for ultra-thin square pipes according to claim 1, wherein copper bars matched with the pipe fittings are symmetrically arranged on the inner lining plate.

6. The welding set for ultra-thin square tubes according to claim 5, wherein the copper bars are grooved.

7. The welding device for the ultra-thin square tube according to claim 1, wherein a fixing plate is connected to the workbench through threads, and the fixing plate is connected with the air cylinder.

8. The welding device for the ultrathin square tube according to claim 1, wherein a sliding groove is formed in the supporting plate, and the sliding block slides in the sliding groove.