CN-121988935-A - Automatic welding device for fastening piece at end part of electric heating tube

Abstract

The invention discloses an automatic welding device for an electric heating tube end fastener, and relates to the technical field of electric heating tube welding. The automatic welding device for the fastening piece at the end part of the electric heating tube comprises a welding bin, wherein a placing groove is formed in the welding bin, and a power rod driven by a linear motor is arranged in the welding bin. According to the automatic welding device for the fastening piece at the end part of the electric heating tube, when corresponding clamping operation is carried out on the fastening piece at the end part of the electric heating tube, the power rod in a moving state synchronously drives the moving rod to move, and the first hydraulic bin, the baffle, the elastic telescopic rod, the toothed bar, the lower pressure rod, the reciprocating screw rod, the gear, the sliding block, the fixed plates and the fixed bin are matched, so that the two fixed plates move in opposite directions, the electric heating tube is initially clamped, the fixed bin is used for moving downwards, and additional pressure is applied between the electric heating tube and the fastening piece at the end part of the electric heating tube from the top of the electric heating tube by the fixed bin, so that the subsequent welding effect of the device is improved.

Inventors

• LIU PEIQIN
• Ye Baiming

Assignees

• 泰州市骏前电热器材有限公司

Dates

Publication Date

20260508

Application Date

20260318

Claims (10)

1. 1. An automatic welding device for an electric heating tube end fastener, which is characterized by comprising: the welding bin is internally provided with a placing groove, a power rod driven by a linear motor is arranged in the welding bin, the side surface of the power rod is provided with a clamping plate, and a movable and telescopic welding head is arranged in the welding bin; The side of power pole is equipped with the movable rod, the inside of welding storehouse rotates and is connected with reciprocating screw rod, be equipped with the driving medium that is used for the transmission between movable rod and the reciprocating screw rod, the outside of reciprocating screw rod has the sliding block through setting up threaded connection, the side of sliding block is equipped with the fixed plate, the inside of welding storehouse is equipped with adsorption component, the inside of welding storehouse is equipped with compressing tightly the subassembly.
2. 2. The automatic welding device for the fastening pieces of the end parts of the electric heating tubes is characterized in that the transmission piece comprises a first hydraulic bin assembled in the welding bin, a baffle is rotatably connected in the first hydraulic bin, an elastic telescopic rod is assembled at the top of the baffle, one end, far away from the moving rod, of the first hydraulic bin is respectively connected with a toothed bar and a pressing rod in a sliding manner through a piston, a gear is fixedly connected to the outer side of the reciprocating screw rod, the gear is meshed with the toothed bar, and a fixed bin is assembled at the bottom of the pressing rod.
3. 3. The automatic welding device for fastening parts of electric heating tube ends according to claim 2, wherein the moving rod penetrates through the first hydraulic bin and is connected with the first hydraulic bin in a sliding manner through a piston.
4. 4. The automatic welding device for fastening parts of electric heating tube ends according to claim 2, wherein the sliding block is positioned in the welding bin and is in sliding connection with the welding bin.
5. 5. The automatic welding device for the fastening piece at the end part of the electric heating tube according to claim 2, wherein the adsorption assembly comprises a first transmission rod fixed at the top of the moving rod, a sucker is arranged on the side face of the fixed plate, a second hydraulic bin is arranged on the side face of the first transmission rod, one end of the second hydraulic bin is slidably connected with a first stress rod through a piston, a first hydraulic hose communicated with the first hydraulic bin is arranged on the other end of the second hydraulic bin, a first spring is arranged at the bottom of the first stress rod, a third hydraulic bin and a third air pressure bin are respectively arranged on the side face of the fixed plate, and a connecting rod is slidably connected with the side face of the third hydraulic bin through the piston.
6. 6. The automatic welding device for fastening parts of electric heating tube ends according to claim 5, wherein one end of the spring I, which is far away from the stressed rod I, is assembled on the inner wall of the hydraulic bin II.
7. 7. The automatic welding device for fastening parts of ends of electric heating tubes according to claim 5, wherein one end of the connecting rod, which is far away from the third hydraulic bin, penetrates through the air pressure bin and is in sliding connection with the air pressure bin.
8. 8. The automatic welding device for the fastening piece of the end part of the electric heating tube according to claim 5, wherein the pressing assembly comprises a second hydraulic hose which is assembled on the side surface of the first hydraulic hose and is communicated with the first hydraulic hose, a fourth hydraulic bin is assembled in the welding bin, a second transmission rod is slidingly connected to the side surface of the fourth hydraulic bin through a piston, a limiting plate is assembled on the side surface of the second transmission rod, and a through groove is formed in the placing groove.
9. 9. The automatic welding device for fastening parts of ends of electric heating tubes according to claim 8, wherein one end of the second hydraulic hose, which is far away from the first hydraulic hose, is assembled at the side surface of the fourth hydraulic bin and is communicated with the fourth hydraulic bin.
10. 10. The automatic welding device for fastening parts of electric heating tube end parts according to claim 8, wherein the cross-sectional shape of the through groove is matched with the cross-sectional shape of the limiting plate.

Description

Automatic welding device for fastening piece at end part of electric heating tube Technical Field The invention relates to the technical field of electric heating tube welding, in particular to an automatic welding device for an electric heating tube end fastener. Background The electrothermal tube is an electric element for converting electric energy into heat energy, and is composed of spiral resistance wire of metal tube and crystalline magnesia powder. The electrothermal tube product is generally made of high-quality imported stainless steel tube, imported high-temperature magnesia powder, high-quality heating wire and other materials, and the shell and other structural parts are made of stainless steel, so that the electrothermal tube product has the characteristics of excellent overall performance, long service life and easy maintenance. The patent CN221833602U issued and advertised on 10/15 of 2024 discloses an automatic welding device for fastening elements at the end of an electric heating tube, wherein the automatic welding device comprises a workbench, a welding mechanism is arranged on the workbench in a lifting manner, the welding mechanism comprises a welding gun and a rotating assembly for driving the welding gun to rotate, a discharge hole of the welding gun is aligned to the welding position of the fastening elements and the electric heating tube, and a supporting plate for supporting the electric heating tube, a first clamping assembly for clamping the electric heating tube and a second clamping assembly for clamping the fastening elements are further arranged on the workbench. In the above application document, corresponding fixing operation is performed by adopting the first clamping assembly and the second clamping assembly before welding the device, but when the device fixes the fastening piece at the end part of the electrothermal tube, the electrothermal tube main body at the top of the device is not extruded with the fastening piece at the end part of the electrothermal tube, and the subsequent welding effect of the device is possibly affected. Disclosure of Invention Aiming at the defects of the prior art, the invention provides an automatic welding device for an electric heating tube end fastener, which solves the problems in the background art. In order to achieve the purpose, the invention is realized by the following technical scheme that the automatic welding device for the fastening piece at the end part of the electric heating tube comprises: the welding bin is internally provided with a placing groove, a power rod driven by a linear motor is arranged in the welding bin, the side surface of the power rod is provided with a clamping plate, and a movable and telescopic welding head is arranged in the welding bin; The side of power pole is equipped with the movable rod, the inside of welding storehouse rotates and is connected with reciprocating screw rod, be equipped with the driving medium that is used for the transmission between movable rod and the reciprocating screw rod, the outside of reciprocating screw rod has the sliding block through setting up threaded connection, the side of sliding block is equipped with the fixed plate, the inside of welding storehouse is equipped with adsorption component, the inside of welding storehouse is equipped with compressing tightly the subassembly. Preferably, the driving medium is including assembling the inside hydraulic pressure storehouse one in welding storehouse, the inside rotation in hydraulic pressure storehouse one is connected with the baffle, the top of baffle is equipped with the elastic expansion link, the one end that the movable rod was kept away from in hydraulic pressure storehouse one is respectively through setting up piston sliding connection has ratch and depression bar down, the outside fixedly connected with gear of reciprocal lead screw, gear and ratch meshing, the bottom of depression bar is equipped with fixed storehouse down. Through the arrangement of the device, the two fixing plates move in opposite directions to initially clamp the electric heating tube, then the fixing bin moves downwards, and the fixing bin applies additional pressure between the electric heating tube and the fastening piece at the end part of the electric heating tube from the top of the electric heating tube, so that the subsequent welding effect of the device is improved. Preferably, the moving rod penetrates through the first hydraulic bin and is in sliding connection with the first hydraulic bin through a piston. Preferably, the sliding block is located inside the welding bin and is in sliding connection with the welding bin. Preferably, the adsorption component comprises a first transmission rod fixed at the top of the movable rod, a sucker is assembled on the side face of the fixed plate, a second hydraulic bin is assembled on the side face of the first transmission rod, one end of the second hydraulic bin is slidably connected