Strip die replacing device of spiral tube former
A technology of air duct machine and belt mold, which is applied in the field of sheet metal, can solve the problems of large waste of raw materials, troublesome replacement, long debugging time, etc., and achieve the effect of simple process, convenient operation and material saving
Inactive Publication Date: 2013-02-06
孙娜
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Problems solved by technology
This has formed the traditional method of changing the belt mold: remove the pressure plate and the thin sheet that has been rolled into the undercut seam, and then unscrew the belt mold fastening screw screwed on the lower bottom plate to replace the belt mold. It is troublesome to replace; in addition, it is extremely complicated to re-adjust the feeding end of the metal sheet into the rolling device, so the debugging time is long; the unloaded metal sheet that is about one meter long and has been rolled into the edge of the undercut seam cannot be continued. Therefore, the waste of raw materials is large
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[0012] as attached figure 1 , 3 , Shown in 4 and 5, make the dovetail groove 12 coupled with the dovetail key 9 on the base plate 5, and the base plate 5 is fixed on the frame 1 with hexagonal screws 4. One end of the belt mold 2 is fixedly connected to the dovetail key 9 with flat head screws 10 . Insert the dovetail key 9 into the dovetail groove 12 and fasten it on the bottom plate 5 with screws 11 . Thus, the working position of the belt mold 2 relative to the frame 1 has been established. When needing to exchange band mold 2, unscrew screw 11, extract dovetail key 9, unscrew grub screw 10, change required band mold 2 and reinsert and get final product. Because the present invention adopts the coupling drawing and inserting form between the dovetail key 9 and the dovetail groove 12, establishes the working position of the band mold 2 relative to the frame. Thereby realized without unloading pressing plate 6, sheet material 3 and the purpose of directly extracting dovet...
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The invention relates to a strip die replacing device of a spiral tube former, which comprises a rack, a strip die, a pressing plate, a bottom plate, a dovetail key, a dovetail groove, a flat-head screw and the like. The connection of the coiled strip die and the rack of a spiral tube forming machine is designed to be the coupling of the dovetail groove and the dovetail key. The strip die is fastened and connected onto the dovetail key through the flat-head screw and can be drawn out of and inserted in the dovetail groove along with the dovetail key, so as to realize the purpose of convenient replacement of the strip die. Meanwhile, the waste of a large amount of tube materials due to replacement of the strip die of the original machinery can be reduced. The strip die replacing device has the obvious advantages of simple process, time and labor conservation and the like; in addition, the materials are saved, and the strip die replacing device is convenient to operate.
Description
technical field [0001] The invention relates to a belt mold replacement device for a spiral air duct machine, which is especially suitable for a machine for making spiral air ducts with different diameters by replacing the belt mold, and belongs to the technical field of sheet metal. Background technique [0002] At present, the diameter control of the spiral air duct machines produced at home and abroad is determined by the diameter of the spiral belt mold installed on the air duct making machine. Therefore, what kind of pipe diameter needs to be matched with it. Therefore, the frequent replacement of the belt mold is an indispensable operation procedure in the process of producing the spiral air duct. Determined by the working principle of the engagement between two adjacent spiral strip metal sheets (both sides have been folded according to the setting, hereinafter referred to as the metal sheet), the two sides of the metal sheet enter the belt mold Must be crimped alon...
Claims
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IPC IPC(8): B21D37/04
Inventor 孙娜
Owner 孙娜