After welding, the internal stress of the copper strip needs to be annealed in atmosphere. The defects in the existing welding strip processing equipment, the annealing furnace which can eliminate the internal stress of the copper strip and reduce the surface hardness. The technical scheme provides a welding strip annealing furnace, which is characterized in that the annealing furnace includes a copper strip inlet pipe and a copper strip outlet pipe symmetrically arranged on the outer wall of the furnace body and communicated with the inner part of the furnace body, a protective gas input pipe is communicated on the copper strip outlet pipe, a heating facility is arranged in the furnace body, and a furnace door is arranged on the side wall and / or the top of the furnace body. In order to improve the utilization rate of copper strip annealing furnace and the annealing efficiency of copper strip, the stress relief annealing furnace is used. The copper strip lead-in tube and copper strip lead-out tube are set with dry roots, and several copper strip lead-in tubes and copper strip lead-out tubes are set in parallel. In order to prevent the annealed copper strip from being oxidized rapidly in the air, the preferred technical solution also includes that the connecting position of the protective gas input pipe and the copper strip outlet pipe can be set near the outer wall of the furnace body. In order to prevent too much air from entering the copper strip outlet pipe, and at the same time to make the inert gas input into the copper strip outlet pipe expel the air, the preferred technical scheme also includes that the protective gas input pipe and the copper strip outlet pipe are connected obliquely, and the obliqueness direction is toward the outside of the outer wall of the furnace body.
In order to maintain the straight operation of the copper strip before and after annealing, the preferred technical scheme also includes that the copper strip inlet pipe and the copper strip outlet pipe are both straight pipes and perpendicular to the outer wall of the furnace. In order to facilitate the loading and unloading operation of the copper strip and the maintenance of the annealing furnace, the furnace door is arranged on the outside wall of the furnace body, which is perpendicular to the copper strip inlet pipe and the copper strip outlet pipe. In order to improve the heating efficiency and simplify the structure of the annealing furnace, the preferred technical scheme also includes that the heating facility of is an electric heating wire or quartz tube arranged in the furnace body. In order to avoid the heat loss inside the annealing furnace and improve the energy utilization rate, the preferred technical scheme also includes that the side wall and the upper and lower parts of the annealing furnace are provided with an insulating layer. The advantages and beneficial effects of the annealing furnace are that the internal stress of the copper strip can be effectively eliminated after annealing, and the surface hardness of the copper strip can be reduced at the same time, so that the deformation and distortion will not occur after the surface tin coating process, and the welding strip has good toughness. The structure of the annealing furnace is simple and easy to operate, and the volume can be set to different sizes according to the use needs.
The main view structure of the annealing furnace for copper strip welding; the annealing furnace type shown in the top view structure of the annealing furnace for copper strip welding consists of: the outer wall of the furnace body; the inner part of the furnace body; the copper strip inlet pipe; the copper strip outlet pipe; the protective gas inlet pipe; the heating facilities; the furnace door.
The annealing furnace for copper welding belt includes a copper belt lead-in tube and a copper belt lead-out tube symmetrically arranged on the outer wall of the furnace body and communicated with the inner part of the furnace body, a protective gas input tube is communicated on the copper belt lead-out tube, a heating facility is arranged inside the furnace body, and a furnace door is arranged on the side wall and / or the top part of the furnace body. On the basis of the above embodiments, in order to improve the utilization rate of the copper strip annealing furnace and the annealing efficiency of the copper strip, both the copper strip inlet pipe and the copper strip outlet pipe can be provided with dry roots, and several copper strip inlet pipes and the copper strip outlet pipe are arranged in parallel. On the basis of the above embodiment, in order to prevent the copper strip after annealing from being oxidized rapidly in the air, the connecting position of the protective gas input pipe and the copper strip outlet pipe can be set near the outer wall of the furnace body. On the basis of the above embodiment, in order to prevent too much air from entering the copper strip outlet pipe, and also to make the inert gas input into the copper strip outlet pipe expel the air, the protective gas input pipe and the copper strip outlet pipe are connected obliquely, and the obliqueness direction is toward the outside of the outer wall of the furnace body. In order to keep the strip running straight before and after annealing, both the lead-in tube and the lead-out tube are straight and perpendicular to the outer wall of the furnace. In order to facilitate the loading and unloading operation of the copper strip and the maintenance of the annealing furnace, the furnace door is arranged on the outside wall of the furnace body, which is perpendicular to the copper strip inlet pipe and the copper strip outlet pipe. On the basis of the above embodiment, in order to improve the heating efficiency and simplify the structure of the annealing furnace, the heating facility is an electric heating wire or quartz tube arranged in the furnace body. On the basis of the above embodiment, in order to avoid the heat loss inside the annealing furnace and improve the energy utilization rate, the side wall and the upper and lower parts of the annealing furnace are provided with an insulating layer. The above is only a preferred embodiment. It should be pointed out that for those skilled in the art, several improvements and refinements can be made without departing from the technical principle, and these improvements and refinements should also be considered as the protection scope.
The annealing furnace includes a copper strip inlet pipe and a copper strip outlet pipe symmetrically arranged on the outer wall of the furnace body and communicated with the inner part of the furnace body. The copper strip outlet pipe is connected with a protective gas inlet pipe, a heating facility is arranged inside the furnace body, and a furnace door is arranged on the side wall and / or the top of the furnace body. If the copper strip inlet pipe and the copper strip outlet pipe are provided with dry roots, several copper strip inlet pipes and the copper strip outlet pipes are arranged in parallel. The connecting position of the protective gas input pipe and the copper strip outlet pipe is set near the outer wall of the furnace body to prevent oxidation of the annealing furnace for welding strip, which is characterized in that the protective gas.
On 2018-08-08 11:45:46
