A punching device suitable for steel pipes of different diameters
A technology of punching device and steel pipe, applied in positioning device, drilling/drilling equipment, components of boring machine/drilling machine, etc. The effect of improving work efficiency and improving stability
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[0020] Such as figure 1 , figure 2 , image 3 with Figure 4 As shown, a punching device suitable for steel pipes of different diameters and sizes of the present invention includes a base 5. The top end of the base 5 is provided with a locking device 7 and is arranged on both front and rear sides of the locking device 7 Symmetrically arranged rolling adjustment device 6, the base 5 between the locking device 7 and the rear rolling adjustment device 6 is provided with a perforated frame 8, and each rolling adjustment device 6 has A first sliding groove 64 and a second sliding groove 61 are provided symmetrically, a partition 62 is provided between the first sliding groove 64 and the second sliding groove 61, and the first sliding groove 64 and the The second sliding groove 61 is provided with a supporting member 63, the supporting member 63 on the left and right sides is provided with rollers 631 arranged on the tapered side opposite to each other, and the locking device 7 is c...
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