US 11,052,499 B2
Pipe end clamping apparatus
Sheng Tsung Wang, Tainan (TW)
Assigned to CHIAO SHENG MACHINERY CO., LTD., Tainan (TW)
Filed by Sheng Tsung Wang, Tainan (TW)
Filed on Jun. 24, 2019, as Appl. No. 16/449,776.
Prior Publication US 2020/0398391 A1, Dec. 24, 2020
Int. Cl. B23Q 3/06 (2006.01); B23Q 3/08 (2006.01)
CPC B23Q 3/064 (2013.01) [B23Q 3/08 (2013.01); B23Q 2703/06 (2013.01); B23Q 2703/10 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A pipe end clamping apparatus, sheathed on an output shaft of a power element, and fixed to a fastener of the power element, and the clamping apparatus comprising at least two pneumatic cylinders and a clamping component corresponding to the pneumatic cylinder, and the clamping apparatus further comprising:
a first pneumatic cylinder, comprising:
a first cylinder body, having a first accommodating groove formed thereon, a first air inlet and a second air inlet formed on a pipe wall of the first cylinder body; and
a first piston, accommodated in the first accommodating groove, such that a first air chamber and a second air chamber are formed between the first piston and the first cylinder body and configured to be corresponsive to the first air inlet and the second air inlet respectively, and the first piston having a first plunger rod;
a second pneumatic cylinder, comprising:
a second cylinder body, having a second accommodating groove formed thereon, a third air inlet and a fourth air inlet formed on a pipe wall of the second cylinder body, and a penetrating hole formed in the second accommodating groove for passing the first plunger rod; and
a second piston, accommodated in the second accommodating groove, such that a third air chamber and a fourth air chamber are formed between the second piston and the second cylinder body and configured to be corresponsive to the third air inlet and the fourth air inlet respectively, and the second piston having a second plunger rod, and a penetrating hole formed on the second piston for passing the first plunger rod; and
the clamping component comprising:
a housing, having an accommodating groove formed thereon, and a through hole formed on the accommodating groove for passing the first plunger rod and the second plunger rod, and a plurality of tabs disposed in the accommodating groove for locking the first plunger rod or the second plunger rod and formed in a rail slot;
a clamping seat, accommodated in the accommodating groove, and having a through hole formed on the clamping seat for passing the first plunger rod and the second plunger rod, and forming a plurality of chutes; and
a plurality of clamping components, accommodated in the chute, and having a slide rail disposed on the clamping component and embedded into the rail slot, and a chuck disposed at an end of the clamping component.