CN201950592U

CN201950592U - Pin clamping mechanism

Info

Publication number: CN201950592U
Application number: CN2010206682124U
Authority: CN
Inventors: 李东栓
Original assignee: Dalian Sida High Technology Development Co Ltd
Current assignee: Dalian Sida High Technology Development Co Ltd
Priority date: 2010-12-20
Filing date: 2010-12-20
Publication date: 2011-08-31
Anticipated expiration: 2020-12-20

Abstract

The utility model relates to a pin clamping mechanism; the upper end of a tube seat is connected with a cylinder; the outer end of a piston rod which is matched with the cylinder is arranged in the inner cavity of the tube seat and is connected with the upper end of a hook claw through a hinged shaft; the lower end of the tube seat is provided with a pin seat; a horizontal positioning pin is fixed on the inner side of the pin seat; an oblique guide groove is arranged on the hook claw; the positioning pin is arranged in the oblique guide groove; a guide pin is arranged below the pin seat; the lower part of the hook claw is arranged in the inner cavity of the guide pin; the side surface of the guide pin is provided with a side opening which is matched with the bottom end of the hook claw; and the outer side of the upper part of the guide pin is sleeved with a positioning cushion block. The mechanism is arranged on an actuating mechanism through the tube seat, the lower end of the guide pin is inserted into a positioning hole on a work piece through a control mechanism, so that the bottom surface of the positioning cushion block is contacted with the work piece, and then the piston rod of the cylinder is retracted; due to the action of the positioning pin and the oblique guide groove, the hook claw rotates for a certain angle, the bottom end of the hook claw is exposed from the side opening, and simultaneously the work piece is hooked and clamped on the bottom surface of the positioning cushion block, is stable and firm, and is not loosened; and the safety is good, the operation is convenient and the action is flexible.

Description

The pin clamp mechanism

Technical field

The utility model relates to a kind of clamp mechanism, and particularly a kind of pin clamp mechanism mainly is to adopt pin to penetrate in the locating hole on the laminar workpiece it is carried out clamping.

Background technology

Laminar workpiece needs clamping, existing method of clamping when assembling be to be processed with locating hole on workpiece, utilizes controlling organization drive hook to stretch in the locating hole workpiece is controlled, this mode is controlled poor to the extracting of workpiece, not firm, easily come off the clamping shakiness.

Summary of the invention

This purpose of this utility model provides the pin clamp mechanism that a kind of grabbing workpiece is stable, clamping is firm, security is good, overcomes the deficiencies in the prior art.

Pin clamp mechanism of the present utility model, cylinder base is arranged, upper end at cylinder base is connected to cylinder, the external end head of the piston rod that matches with cylinder is positioned at the inner chamber of cylinder base and is connected the upper end of hook by hinge, there is key seat the lower end of cylinder base, the key seat inboard is fixed with the alignment pin of horizontally set, oblique guide groove is arranged on hook, alignment pin is positioned at oblique guide groove, guide finger is arranged below key seat, described hook bottom is positioned at the inner chamber of guide finger, and there is the side mouth that matches with the hook bottom side of guide finger, is with spacer pad in the upper outside of guide finger.

Pin clamp mechanism of the present utility model, by cylinder base this mechanism is installed in the executing agency, the piston rod of initial cylinder is in the state of stretching out, hook is positioned at the guide finger inner chamber, by controlling organization the guide finger lower end is inserted in the locating hole on the workpiece, make the bottom surface contact workpiece of spacer pad, cylinder piston rod withdrawal then is because the effect of alignment pin and oblique guide groove, hook turns an angle, expose from the side mouth hook bottom, hooks workpiece simultaneously and with the bottom surface of piece-holder at spacer pad, firmly firm, not loosening, security is good, and is easy to operate, flexible movements.

Description of drawings

Fig. 1 is the structural representation that hook is in the guide finger inner chamber in the utility model specific embodiment;

Fig. 2 is the structural representation of hook when the side mouth exposes in the utility model specific embodiment.

The specific embodiment

As Fig. 1 cylinder base, bolt is fixedly connected with cylinder 2 in the upper end of cylinder base 1, and the external end head of the piston rod 3 that matches with cylinder 2 is positioned at the inner chamber of cylinder base 1 and is connected the upper end of hook 8 by hinge 4.There is key seat 6 lower end of cylinder base 1, and key seat 6 inboards are fixed with the alignment pin 5 of horizontally set, between the two ends of alignment pin 5 and the key seat 6 for fixedlying connected.Be processed with oblique guide groove 7 on hook 8, oblique guide groove 7 can be deep-slotted chip breaker, also can be straight shape groove.Alignment pin 5 just is positioned at oblique guide groove 7.Guide finger 11 is arranged below key seat 6, hook 8 bottoms are positioned at the inner chamber of guide finger 11, there is the side mouth 9 that matches with hook 8 bottoms the side of guide finger 11, upper outside at guide finger 11 is with spacer pad 10, lean against above the spacer pad 10 on the edge that outwards protrudes on guide finger 11 tops, the edge that outwards protrude on spacer pad 10, guide finger 11 tops, key seat 6 and cylinder base 1 fixedly are connected as a single entity by screw mandrel.

During installation, by cylinder base 1 this mechanism is fixed in the control executing agency, the piston rod 3 of initial cylinder 2 is in the state of stretching out, hook 8 is positioned at guide finger 11 inner chambers, by controlling organization guide finger 11 lower ends are inserted in the locating hole on the workpiece 12, make the bottom surface contact workpiece 2 of spacer pad 10, cylinder piston rod 3 withdrawals then, because the effect of alignment pin 5 and oblique guide groove 7, hook 8 turns an angle, expose from side mouth 9 hook 8 bottoms, hooks workpiece 12 simultaneously and workpiece 12 is clamped in the bottom surface of spacer pad 10.

Claims

1. pin clamp mechanism, it is characterized in that: cylinder base (1) is arranged, be connected to cylinder (2) in the upper end of cylinder base (1), the external end head of the piston rod (3) that matches with cylinder (2) is positioned at the inner chamber of cylinder base (1) and is connected the upper end of hook (8) by hinge (4), there is key seat (6) lower end of cylinder base (1), key seat (6) inboard is fixed with the alignment pin (5) of horizontally set, oblique guide groove (7) is arranged on hook (8), alignment pin (5) is positioned at oblique guide groove (7), in key seat (6) below guide finger (11) is arranged, described hook (8) bottom is positioned at the inner chamber of guide finger (11), there is the side mouth (9) that matches with hook (8) bottom the side of guide finger (11), is with spacer pad (10) in the upper outside of guide finger (11).