CN101418503A

CN101418503A - The still kettle sealing improved device of decatizing apparatus side leakage that circulates continuously

Info

Publication number: CN101418503A
Application number: CNA2008102106096A
Authority: CN
Inventors: 彼得罗·阿尔贝托
Original assignee: Biella Shrunk Process S A S Di
Current assignee: Biella Shrunk Process S A S Di
Priority date: 2007-10-24
Filing date: 2008-08-04
Publication date: 2009-04-29
Anticipated expiration: 2028-08-04
Also published as: TR200806543A2; ITMI20072054A1; CN101418503B

Abstract

A kind of still kettle decatizing apparatus side leakage sealing device that circulates continuously, comprise a plurality of seals (10), seal is arranged at the input port (2) of still kettle (1) on the edge of conveyer belt (5) in pairs and locates with delivery outlet (3), and described seal (10) is suitable for laterally moving with respect to described conveyer belt (5).Each seal (10) is furnished with impeller (11), is used to make corresponding seal (10) to continue the edge of contact conveyer belt (5).Like this, can be by it laterally move, the leakage of the steam (S) that betides the conveyer belt edge is carried out continuing in real time sealing.

Description

The still kettle sealing improved device of decatizing apparatus side leakage that circulates continuously

Technical field

The present invention relates to a kind of still kettle sealing improved device of decatizing apparatus side leakage that circulates continuously.

Background technology

In circulating the decatize device continuously, adopt still kettle this way of sealing device to be widely known by the people.Sealing device is arranged at the conveyer belt place that still kettle is imported and exported, and is used for the steam seal that fabric treating is required in the still kettle body.

These devices comprise a rotating cylinder, and this tube contacts with conveyer belt, and be in conveyer belt in still kettle into and out of between the position.Utilize the expandable washer in the still kettle structure, the a pair of opposed plate made from polishing stainless steel is pressed to the import and export place of conveyer belt, thereby form into and out of seizing mouth on both sides by the arms with rotating cylinder is common, this seizes the gross thickness of the size of mouth less than conveyer belt and institute's bearing fabric sum on both sides by the arms.Therefore, fabric and conveyer belt all are compressed at the import and export place of still kettle, thereby form the steam tightness sealing.

People are known, and steam tightness seals this problem and also comes across the conveyer belt end that is pressed between the rotating cylinder.At first with regard to conveyer belt occupy be formed between each whole length into and out of seizing on both sides by the arms with regard to mouthful this condition, the consequence of steam pressure and the mechanically deform that produces because of the conveyer belt tensioning is that conveyer belt can shrink in use for some time.This contraction mainly betides the short transverse of conveyer belt, thereby causes its edge and form the slit into and out of seizing on both sides by the arms between mouthful end, and then produces the steam side leakage.

For overcoming this defective, the applicant has disclosed a kind of side leakage sealing device in international application published file WO 94/10367, and it comprises two pairs of seals, be arranged at into and out of seizing on both sides by the arms mouthful terminal, and contact conveyer belt edge.These seals are arranged at locating into and out of seizing mouth on both sides by the arms of still kettle, and can move relative to them, and moving direction is perpendicular to the moving direction of conveyer belt.Along with conveyer belt shrinks, can seal the side leakage that is taken place by seal is shifted near conveyer belt in the use of device.

Yet if increase the speed of device and/or the path of processed fabric, except the contraction problem, conveyer belt also may be tending towards slight laterally moving takes place, and this can cause unexpected leakage vapour, and can be by the above-mentioned type device real-Time Compensation.

Also have, laterally moving of conveyer belt can leaked the end opposite squeeze sealing member that end takes place vapour, thereby it is badly damaged that it is caused, and perhaps jeopardizes its operating mechanism, thereby damages conveyer belt itself.

Summary of the invention

Therefore, the objective of the invention is to, a kind of still kettle sealing improved device of decatizing apparatus side leakage that circulates continuously is provided, thereby can overcomes these defectives.Above-mentioned purpose realizes that by a kind of device its key property is referring to claim 1, and other characteristic is referring to remaining claim.

This still kettle of the present invention decatizing apparatus side leakage sealing device that circulates continuously comprises two pairs of seals, and seal is arranged at the mouthful terminal into and out of seizing on both sides by the arms of still kettle, and can laterally move with respect to the moving direction of conveyer belt.Each seal is furnished with impeller, is used for continuing to keep in touch between conveyer belt edge and seal self.

The main strong point of apparatus of the present invention is, can the real-time continuous sealing laterally move the steam leakage that occurs in its edge because of conveyer belt.

In addition, the effect of impeller is, at every turn being displaced sideways of conveyer belt, the seal that is arranged at the opposition side of steam leakage generation side just moves backward by keeping in touch with conveyer belt, thereby prevents that the latter is damaged.

Another strong point of the present invention is that impeller can easily be realized automation, thereby can improve the intervention efficient of sealing device.

Description of drawings

The insider is by referring to following detailed non-limiting embodiment explanation and accompanying drawing, can brighter dawn other strong point and the characteristic of side leakage sealing device of the present invention, wherein:

Fig. 1 is the part cut-away illustration of decatizing apparatus still kettle of circulating continuously, wherein, is furnished with the steam seal part into and out of seizing mouth on both sides by the arms;

Fig. 2 is the cutaway view that the II-II line is cut open in Fig. 1;

The longitudinal sectional view that Fig. 3 is decatizing apparatus the III-III line is cut open in Fig. 1; And

Fig. 4 is the longitudinal sectional view that is similar to Fig. 3, and wherein, the side leakage sealing device is an automatic drive type.

The specific embodiment

Fig. 1 represents the still kettle decatizing apparatus that circulates continuously, comprises a still kettle 1, and it is furnished with an input and seizes mouthfuls of 2 and one outputs on both sides by the arms and seize mouthfuls 3 on both sides by the arms, portion within it, and decatize tube 4 rotates around its axis.Conveyer belt 5 is seized mouth 2 on both sides by the arms by input, processed fabric is brought in the still kettle 1, fricton-tightly be wound up on the decatize tube 4 then, thereby promote fabric thereon, after almost putting in order circle through one, seize mouth 3 on both sides by the arms from still kettle 1 interior output by output around decatize tube 4.

For steam S is remained in the still kettle, this equipment is furnished with a sealing device, comprise that one is arranged at the input part 5a of conveyer belt 5 and the rotating cylinder 7 between the efferent 5b, also comprise a pair of opposed plate 8a, the 8b that makes such as stainless steel with high-abrasive material, opposed plate is pushed into respectively among the input part 5a and efferent 5b of conveyer belt 5 by corresponding

expandable washer

9a, 9b in still kettle 1 structure.

As shown in Figures 2 and 3, this equipment also is furnished with a kind of side leakage sealing device, comprises a plurality of seals 10, and seal is arranged at the edge of conveyer belt 5 in pairs, and is in contact with it.

According to inventive concept of the present invention, each seal 10 is furnished with impeller 11, thereby makes corresponding seal 10 continue the edge of contact conveyer belt 5.

In first embodiment of the present invention, sealing device comprises two pairs of seals 10, and the input that they are arranged at still kettle 1 is respectively seized mouthfuls 2 on both sides by the arms and seized on both sides by the arms in mouthfuls 3 with output.

Referring to Fig. 3, the figure shows the input part 5a of conveyer belt 5, seal sees from the plane and roughly is a kind of irregular quadrilateral, and trapeziform straight flange is towards the edge of conveyer belt 5, and hypotenuse then can slide by the hypotenuse of corresponding irregular quadrilateral support member 12 in still kettle 1 structure.

Impeller 11 and conveyer belt 5 parallel runnings on the moving direction of conveyer belt 5, are pressed to corresponding seal 10 on the corresponding support member 12.The contact-making surface of seal 10 will make seal 10 laterally move to the edge of conveyer belt 5 with a kind of pressure that contacts with reciprocation between the corresponding support member 12, thereby prevent that steam S from leaking because of the pressure from still kettle 1.

Impeller 11 can be flexible, such as comprising helical spring.

Reduce to minimumly for the friction that will produce because of the edge of seal 10 and conveyer belt 5 and contacting of rotating cylinder 7 (being represented by dotted lines in the accompanying drawing) and opposed

plate

8a, 8b and wearing and tearing, seal 10 adopts pure or filling PTFE makes.

Seal also can be other difformity, such as, parallelogram or triangle, impeller 11 is horizontally set directly.Yet, it is useful especially selecting irregular quadrilateral, because for the reciprocation between the inclined plane, can increase on the one hand impeller 11 and put on compression stress on conveyer belt 5 edges, thereby reduce to its size minimum, can reduce the amount of movement of impeller on the conveyer belt moving direction on the other hand, thereby make the laterally accurately mobile of seal 10 and be easy to control.

In the course of work of decatizing apparatus, when conveyer belt 5 laterally moves, when shifting to the left side from the right side, the seal 10 that is in conveyer belt 5 right sides will be shifted to the inboard of still kettle 1, and under its effect of impeller 11, arrive the left side, thereby keep and the contacting of conveyer belt 5 right hand edges.Simultaneously, the left hand edge that the seal 10 that is in conveyer belt 5 left sides will be transmitted with 5 promotes, and shifts to the outside of still kettle 1, and revolts the effect of its impeller 11 and arrive the left side.

In order to realize good side leakage sealing, seal 10 extends from the lateral of still kettle 1 is inboard, and in order to keep good centering with conveyer belt 5, each seal 10 is furnished with guide 13, it is shaped as such as being fixed in tabular on seal 10 side surfaces, roughly be arranged to contact on the one hand the surface of conveyer belt 5, then contact carrying fabric thereon on the other hand.For avoiding the interference of sealing device to steam, guide 13 is disposed at the end of corresponding seal 10 in pairs,, is in the medial and lateral of still kettle 1 substantially that is, especially can be in any side of relative rotating cylinder 7 and opposed

plate

8a, 8b.

In other embodiment of the present invention, the side leakage sealing device also comprises a control system (not shown), is used for regulating automatically seal 10 position in the horizontal.

As shown in Figure 4, under this occasion, impeller 11 is linear actuator, such as the electric power or the hydraulic starter that join with control system.

Control system comprises a plurality of position sensors 14, is arranged at the edge of still kettle 1 outside conveyer belt 5.

Take place horizontal when mobile when position sensor 14 detects conveyer belt 5, just send a signal to control system, it will drive linear actuator 11, thus moving according to conveyer belt 5, come to move the seal 10 that links with it, and keep in touch with the edge of conveyer belt 5.

Be arranged at the driving that the driving of impeller 11 of seal 10 of conveyer belt 5 delivery outlets of still kettle 1 can be mated the starter 11 of the seal 10 that is arranged at the input port well, as shown in Figure 2.

Especially, under the occasion of suitably calculating, the seal 10 of control system to being arranged at delivery outlet carried out the adjusting identical with the input port.

In fact, because the fixed route of conveyer belt 5 in still kettle 1 is very short, thereby can reasonably think, detected amount of movement is with identical at the detected amount of movement of delivery outlet in the input port.

Therefore, when conveyer belt 5 laterally moves in the input port, and 11 pairs of seals of impeller 10 are when carrying out subsequent adjustment, and control system just moves to the known distance of delivery outlet from the input port of still kettle 1 based on conveyer belt 5, handle relevant data.When the input port gauge point on the conveyer belt 5 passes delivery outlet, measure the inlet of conveyer belt 5 in still kettle 1 by using such as encoder, control system is carried out the adjusting identical with the input port to being arranged at the seal of delivery outlet.

This adjusting pattern can obtain a kind of utmost point feedback control loop rapidly, thereby can reduce to minimum from the leakage rate under the pressure of still kettle 1 steam S.

The insider can be in listed claim scope, to foregoing of the present invention and shown in embodiment revise and/or increase.

Claims

1, a kind of still kettle decatizing apparatus side leakage sealing device that circulates continuously, comprise a plurality of seals (10), seal is arranged at the edge of conveyer belt (5) in pairs, and corresponding to the input port (2) of still kettle (1) and delivery outlet (3), described seal (10) is suitable for laterally moving with respect to described conveyer belt (5), it is characterized in that each seal (10) is furnished with impeller (11), thereby make corresponding seal (10) continue the edge of contact conveyer belt (5).

2, device according to claim 1 is characterized in that, comprises two pairs of seals (10).

3, device according to claim 1 and 2, it is characterized in that, described seal (10) sees it is a kind of irregular quadrilateral from the plane, trapeziform straight flange is towards the edge of conveyer belt (5), and hypotenuse then can slide by the hypotenuse of corresponding irregular quadrilateral support member (12) in still kettle (1) structure.

4, according to claim 1 and 3 described devices, it is characterized in that, described impeller (11) is parallel with conveyer belt (5), be used for moving direction in conveyer belt (5), corresponding seal (10) is pressed on the corresponding support member (12), the contact-making surface of seal (10) will make seal (10) laterally move with the edge of a kind of contact pressure to conveyer belt (5) with reciprocation between the corresponding support member (12), thereby prevent that steam (S) from leaking because of the pressure from still kettle (1).

5, device according to claim 1 is characterized in that, described impeller (11) is furnished with helical spring.

6, device according to claim 1 is characterized in that, described seal (10) adopts pure or filling PTFE makes.

7, device according to claim 1 is characterized in that, described seal (10) extends from the lateral of still kettle (1) is inboard, and is furnished with guide (13) separately, and the edge that is used for relative conveyer belt (5) keeps centering.

8, device according to claim 7 is characterized in that, described guide (13) is a kind of flat board, is fixed on the side surface of seal (10), and is disposed at the end of corresponding seal (10) in pairs.

9, device according to claim 1 is characterized in that, also comprises a control system, is used for regulating automatically seal (10) position in the horizontal.

10, device according to claim 9 is characterized in that, described impeller (11) is the linear actuator of joining with described control system.

11, device according to claim 9 is characterized in that, described control system comprises a plurality of position sensors (14), is used to detect conveyer belt (5) position in the horizontal.

12, device according to claim 9 is characterized in that, described control system is coordinated following two kinds of drivings, is arranged at the driving of impeller (11) of seal (10) of conveyer belt (5) delivery outlet of still kettle (1) that is:; Be arranged at the driving of starter (11) of the seal (10) of input port.

13, device according to claim 12, it is characterized in that, under the occasion of suitably calculating, described control system is carried out and the identical adjusting of the seal that is arranged at the input port (10) the seal (10) of conveyer belt (5) delivery outlet that is arranged at still kettle (1).