CN201835037U

CN201835037U - Pipe extractor

Info

Publication number: CN201835037U
Application number: CN2010205826250U
Authority: CN
Inventors: 王铁宇; 徐从高; 黄晨晨
Original assignee: TONGLING JINGTE MACHINERY CO Ltd
Current assignee: TONGLING JINGTE MACHINERY CO Ltd
Priority date: 2010-10-29
Filing date: 2010-10-29
Publication date: 2011-05-18
Anticipated expiration: 2020-10-29

Abstract

The utility model relates to a pipe extractor comprising a pipe grabber and a cross beam for installing the pipe grabber, wherein the pipe grabber comprises an air cylinder and a pipe-grabbing head; the pipe grabbing head is provided with grabbing holes for the extension of yarn tubes; the side wall of the pipe grabbing head is provided with piston rod through holes communicated with an inner chamber of the air cylinder; the inner chamber of the air cylinder is provided with an elastic isolation air cushion arranged between the rear end of a piston and a cross beam; the pipe grabbing head and the air cylinder are connected into a whole; slots are arranged above the cross beam; bumps are matched with the slots above the cross beam are arranged at the upper end of the air cylinder; and the lower end of the air cylinder is connected with the cross beam through bolts. For the pipe extractor, the rigidity and the strength are guaranteed, fewer components are required, the manufacture cost is low, the effective area of the piston in the air cylider is enlarged, and the force for extracting pipes is increased.

Description

A kind of pipe drawing device

Technical field

The utility model relates to the pipe drawing device of changing spool in a kind of doffing of spinning frame system.

Background technology

At present new ring spinning frame has adopted that collective doffs and has waited the automatic doffing technology, manually doffs but still have in a large number fine spining machines in usefulness to adopt, owing to cooperating between full spool and the spindle is tight; When doffing, need bigger power full packages could be pulled up, cause the working strength of manually doffing very high, production efficiency is low, and the ten thousand ingot amounts of labour used are big, and is therefore, very urgent to the demand that existing fine spining machine installs integral cosine doffing device additional.The pipe drawing device that is used for doffing of spinning frame system replacing spool at present mainly adopts the air-cylinder type pipe drawing device, the applicant all is such pipe drawing devices respectively at two the patent ZL200720142022.7 and the ZL200920171947.3 of the application of on March 22nd, 2007 and on May 6th, 2009, its structure mainly comprises crossbeam and is installed in grabbing on the crossbeam manages the device composition, the pipe device is grabbed in each corresponding one of top, spool position on the fine spining machine, each grabs the pipe device by cylinder with grab tube head and form, grab tube head and be provided with the grasping hole that the spool upper end can be stretched into, cylinder inner cavity is provided with the elastomeric isolation air cushion between piston rear end and crossbeam.When changing spool, gas moves ahead by the gas pipeline and the air cushion promotion piston of crossbeam, and the piston rod front end stretches in the grasping hole, spool is pressed on the opposite side in grasping hole, by extruding spool is held, the back back-moving spring of stopping the supple of gas or steam makes piston reset, can change the spool action.The advantage of the pipe drawing device of these two kinds of structures is that air-tightness is good, installs more convenient; Shortcoming is that structure is comparatively complicated, the manufacturing cost height.

Summary of the invention

The purpose of this utility model provides a kind of pipe drawing device simple in structure, to reduce its manufacturing cost.

The utility model is achieved in that it comprises that grabbing the pipe device grabs the crossbeam of managing device with installing, grabbing the pipe device comprises cylinder and grabs tube head, grab tube head and be provided with the grasping hole that spool can stretch into, grab the piston rod through hole that communicates with cylinder inner cavity is arranged on the tube head sidewall, cylinder inner cavity is provided with the elastomeric isolation air cushion between piston rear end and crossbeam, grab tube head and cylinder fuses, and the crossbeam top has slot, there is the projection that cooperates with crossbeam top slot the cylinder upper end, and the cylinder lower end is connected with crossbeam by bolt.

Piston impacts the elastomeric isolation air cushion and causes failure by shear, piston rod front end that the spacing preiection that cooperates with piston rod through hole below hole wall is arranged when preventing that piston rod from resetting.

The utility model has adopted the hermetically-sealed construction between ZL200920171947.3's and crossbeam draw bail and elastomeric isolation air cushion and the cylinder block, and it is good to have its air-tightness, and more convenient advantage is installed; And structure has obvious simplification than ZL200920171947.3 and ZL200720142022.7, grabs tube head and cylinder is structure as a whole, and the rigidity of cylinder and intensity can be guaranteed, whole device feature is less, low cost of manufacture, and air chamber inner carrier effective area increases the increase of tube drawing power.

Description of drawings

Fig. 1 is the utility model structural representation.

The specific embodiment

As shown in Figure 1, grab tube head 6 and cylinder 3 fuses, grab tube head 6 and be provided with the tubaeform grasping hole 61 that spool 7 can stretch into, grab the piston rod through hole 63 that communicates with cylinder 3 inner chambers 33 is arranged on tube head 6 sidewalls, cylinder 3 inner chambers 33 are provided with elastomeric isolation air cushion 2 between piston 4 rear ends and crossbeam 1, have annular groove on the cylinder block 31, the annular protrusion 22 that cooperates with annular groove is arranged on the elastomeric isolation air cushion 2, crossbeam 1 top has slot, there is the projection 32 that cooperates with slot cylinder 3 upper ends, and cylinder 3 lower ends are connected with crossbeam 1 by bolt 8.When cylinder 3 was fixed on the crossbeam 1 that has gas pipeline 11 by projection 32 and connecting bolt 8, cylinder block 31 was pressed on elastomeric isolation air cushion 2 outer ledges on the crossbeam 1 and realizes sealing, made the airtight air chamber 21 of formation between elastomeric isolation air cushion 2 and the crossbeam 1.The passage 12 that communicates with air chamber 21 is arranged on the crossbeam 1, when pulling out spool 7, gas enters air chamber 21 by the gas pipeline 11 and the passage 12 input compressed air of crossbeam 1, promote piston 4 by elastomeric isolation air cushion 2 and move ahead, piston rod 41 front ends stretch in the grasping hole 61, and spool 7 is compressed, by the stiction that produces because of extruding spool 7 is held and to extract, the back piston back-moving spring 5 of stopping the supple of gas or steam resets piston 4, and spool 7 freely falls on the spool conveyer belt, thereby finishes the action of pulling out, putting spool.4 pairs of elastomeric isolation air cushions of piston 2 impact and cause failure by shear, piston rod 41 front ends that the spacing preiection 43 that cooperates with through hole 63 below hole walls 62 is arranged when preventing that piston rod 41 from resetting, and carry out spacing to piston rod 41 reset positions.Piston and piston rod are made of plastics, and for ease of installing, have centre bore 42 in the middle of piston 4 and the piston rod 41, and spacing preiection 43 pressurized when passing through hole 63 that had both helped on the piston rod 41 shrinks in centre bore 42, can also economical with materials.

Claims

1. pipe drawing device, comprise and grab the pipe device and the crossbeam (1) of grabbing the pipe device is installed, grabbing the pipe device comprises cylinder (3) and grabs tube head (6), grab tube head (6) and be provided with the grasping hole (61) that spool (7) can stretch into, grab the piston rod through hole (63) that communicates with cylinder inner cavity (33) is arranged on tube head (6) sidewall, cylinder inner cavity (63) is provided with elastomeric isolation air cushion (1) between piston (4) rear end and crossbeam (1), it is characterized in that: grab tube head (6) and fuse with cylinder (3), crossbeam (1) top has slot, there is the projection (32) that cooperates with crossbeam top slot cylinder (3) upper end, and cylinder (3) lower end is connected with crossbeam (1) by bolt (8).

2. a kind of pipe drawing device according to claim 1 is characterized in that: piston rod (41) front end has the spacing preiection (43) that cooperates with piston rod through hole (63) below hole wall (62).