CN102528835B

CN102528835B - Automatic cut-off and edge folding mechanism for producing filter screens and cut-off and edge folding method

Info

Publication number: CN102528835B
Application number: CN201210030540.5A
Authority: CN
Inventors: 丁彩红; 雷宏亮
Original assignee: Donghua University
Current assignee: Donghua University
Priority date: 2012-02-11
Filing date: 2012-02-11
Publication date: 2014-04-16
Anticipated expiration: 2032-02-11
Also published as: CN102528835A

Abstract

The invention provides an automatic cut-off and edge folding mechanism for producing filter screens, which is characterized by comprising a cut-off knife, an edge folding scraper, a press roll, an edge folding templet and a lower templet. The cut-off knife is positioned above a filter screen to be in cut-off and edge folding and can move up and down, the edge folding scraper can move up and down and turn, the press roll can move up and down, and the edge folding templet and the lower templet are positioned below the filter screen to be in cut-off and edge folding and can move up and down. The invention further provides a method adopting the mechanism. The method is used for cutting off the flaky filter screen with the required length and folding the edge of a cut of the filter screen, the filter screen is pressed by means of moving the press roll, the edge folding scraper and the lower templet, after the cut-off knife cuts off the filter screen, the edge folding templet turns the edge of the cut of the filter screen at a time, and finally the turned edge is flatly folded by means of turning of the edge folding scraper. The automatic cut-off and edge folding mechanism and the method have the advantages that automation degree of production of the filter screens can be effectively improved, and problems that edge folding efficiency of workers is low and quality is difficult to control are solved.

Description

The automatic cut-out edge-folding mechanism that screen pack is produced and cut-out fold method

Technical field

The present invention relates to a kind of automatic cut-out edge-folding mechanism of producing for airstrainer and adopt the cut-out fold method of this mechanism, belong to screen pack manufacturing technology field.

Background technology

Screen pack is a critical component of air cleaner, and screen pack is generally sandwich construction, and conventionally middle is layer of non-woven fabric, and upper and lower two layers is netted metal screen.Several layer materials, through together extrusion bonded, then pass through roll forming, are generally corrugated, then according to actual needs, cut into one section of screen pack of certain length.For preventing that several layer materials of screen pack incision from splitting, burr or irregular, the convenience also packing for frame, need to carry out flanging to screen pack otch.After the screen pack section of cutting into, mostly be manual flanging at present, efficiency is low, and flanging uniformity is poor.

Summary of the invention

An object of the present invention is to provide a kind of can automatically cut-out and the mechanism of flanging screen pack.Another object of the present invention is to provide a kind of cut-out and fold method that adopts said mechanism.

In order to achieve the above object, a technical scheme of the present invention has been to provide the automatic cut-out edge-folding mechanism that a kind of screen pack is produced, it is characterized in that: the cutoff tool moving up and down that comprises the screen pack top that is positioned at the limit of wrecking to be cut, the flanging pattern moving up and down and the lower pattern that can make flanging scraper plate and the pressure roller that can move up and down of upper and lower and flip-flop movement and be positioned at the screen pack below on the limit of wrecking to be cut, flanging pattern be positioned at cutoff tool under, flanging scraper plate and pressure roller be take cutoff tool and are distributed in the left and right sides of cutoff tool as symmetrical centre, lower pattern be take cutoff tool and is distributed in the left and right sides of flanging pattern as symmetrical centre, above flanging pattern and lower pattern, be provided with slide, slide is located to place on the workbench of screen pack, in the end of workbench, be provided with in order to carry the conveyer belt of the screen pack that has been cut off flanging.

Preferably, described pressure roller is cylindrical.

Preferably, the cross section of described flanging scraper plate and described screen pack contact portion is acute angle cross section.

Preferably, the face that described flanging pattern contacts with described screen pack is plane.

Preferably, the face that described lower pattern contacts with described screen pack is cambered surface.

Another technical scheme of the present invention has been to provide a kind of cut-out fold method that adopts the automatic cut-out edge-folding mechanism of above-mentioned screen pack production, it is characterized in that, step is:

Step 1, when length that screen pack cuts off be on demand transported to cutoff tool under after, screen pack stop motion, slide is opened, pressure roller and flanging scraper plate move downward, lower pattern moves upward, until push down screen pack;

Step 2, flanging pattern move upward until prop up screen pack, and cutoff tool moves downward, and screen pack is cut off;

Step 3, flanging pattern continue to move upward, thereby make the otch of screen pack form flange;

Step 4, cutoff tool and flanging pattern return back to initial position, flanging scraper plate rollback;

Step 5, flanging scraper plate move downward between the flange of screen pack otch, and outwards upset, by the screen pack flanging of incision;

Step 6, pressure roller, flanging scraper plate and lower pattern return back to initial position, and slide is shut, and screen pack not cutting out section repeating step 1 to step 5 completes shearing and flanging, and cutting out section passes through tape transport.

Preferably, in described step 1, described flanging scraper plate outwards flips an angle and makes the bottom of flanging scraper plate can prop up described screen pack due on formed of the upper top of described lower pattern in the process moving downward.

The present invention relates to a kind of topology layout of the automatic cut-out edge-folding mechanism of producing for screen pack and cut off fold method, can be used for realizing the screen pack of machine-shaping length is on demand cut off, and to cutting off a mouthful automatic flanging, solved artificial flanging efficiency low, intensity is large, the inconsistent problem of flanging quality.

Accompanying drawing explanation

Fig. 1 is operation principle schematic diagram of the present invention;

Fig. 2 is the initial position schematic diagram of the concrete implementation step 1 of the present invention;

Fig. 3 is the operation principle schematic diagram of the concrete implementation step 2 of the present invention;

Fig. 4 is the operation principle schematic diagram of the concrete implementation step 3 of the present invention;

Fig. 5 is the operation principle schematic diagram of the concrete implementation step 4 of the present invention;

Fig. 6 is the operation principle schematic diagram of the concrete implementation step 5 of the present invention.

The specific embodiment

Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment are only not used in and limit the scope of the invention for the present invention is described.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read the content of the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.

As shown in Figure 1, the topology layout of disclosed a kind of automatic cut-out edge-folding mechanism of producing for airstrainer and cut off fold method in the specific embodiment of the present invention, comprises cutoff tool 1, two flanging scraper plates 2, two pressure rollers 3, two lower patterns 5, flanging pattern 4, slide 6 and conveyer belts 7.Screen pack 8 on workbench 9 by intermittent delivery.Cutoff tool 1, flanging scraper plate 2, pressure roller 3 are positioned at the top of screen pack 8.Lower pattern 5, flanging pattern 4 and slide 6 are positioned at workbench 9 belows.Slide 6 is positioned at the top of lower pattern 5 and flanging pattern 4.Flanging pattern 4 be positioned at cutoff tool 1 under.Two pressure rollers 3 are arranged symmetrically with centered by cutoff tool 1.Two flanging scraper plates 2 are arranged symmetrically with centered by cutoff tool 1.Two lower patterns 5 are arranged symmetrically with centered by cutoff tool 1.Conveyer belt 7 is for delivery of cut screen pack.

Cutoff tool 1, pressure roller 3, lower pattern 5 and flanging pattern 4 can move up and down.Slide 6 can move left and right.Flanging scraper plate 2 both can move up and down, can also the left and right upset within the scope of certain angle around a certain center of circle.Pressure roller 3 is cylindrical.Flanging scraper plate 2 is acute angle cross section with the cross section of screen pack 8 contact portions.The face that flanging pattern 4 contacts with screen pack 8 is plane.The face that lower pattern 5 contacts with screen pack 8 is cambered surface.

Adopt the step of the cut-out fold method of said mechanism to be:

As shown in Figure 2, the length that screen pack 8 cuts off is on demand transported to stop motion behind automatic cut-out edge-folding mechanism place to the initial position of step 1, automatic shearing edge-folding mechanism provided by the invention.

Step 2, slide 6 are opened left, and pressure roller 3 moves downward, until be pressed on screen pack 8.Lower pattern 5 and flanging pattern 4 move upward, until touch screen pack 8.Flanging scraper plate 2 moves downward after certain stroke, outwards flips an angle, until be pressed in screen pack 8, the acute angle cross-section of flanging scraper plate 2 is divided and pushed down by withstanding in the cambered surface forming on screen pack 8 on lower pattern 5, thereby screen pack 8 is pushed down on lower pattern 5.As shown in Figure 3, after screen pack 8 is positioned, cutoff tool 1 moves downward, and the screen pack on flanging pattern 48 is cut off.

Step 3, cutoff tool 1 be rollback upwards, and flanging pattern 4 moves upward, by the screen pack of incision 8 to upper overturning.As shown in Figure 4, flanging scraper plate 2 upwards return back to initial position, and flanging pattern 4 return back to initial position downwards.

Step 4, as shown in Figure 5, flanging scraper plate 2 moves downward from initial position between the otch flange of screen pack 8, and flanging scraper plate 2 outwards overturns, and flange is folded flat.

Step 5, as shown in Figure 6, lower pattern 5, pressure roller 3 and flanging scraper plate 2 are all done return motion to initial position, and slide 6 moves right, and now, screen pack 8 is by automatic shearing flanging.

Step 6, screen pack 8 not cutting out section continue to be transferred forward repeating step 1 to step 5 and complete and shear and flanging, and meanwhile, the screen pack 8 of having sheared is transferred by conveyer belt 7.

Claims

1. the cut-out fold method of the automatic cut-out edge-folding mechanism that a screen pack is produced, the automatic cut-out edge-folding mechanism that this screen pack is produced, the cutoff tool moving up and down (1) that comprises screen pack (8) top that is positioned at the limit of wrecking to be cut, the flanging pattern (4) moving up and down and the lower pattern (5) of screen pack (8) below that can do the upper and lower and flanging scraper plate (2) of flip-flop movement and the pressure roller (3) that can move up and down and be positioned at the limit of wrecking to be cut, flanging pattern (4) be positioned at cutoff tool (1) under, flanging scraper plate (2) and pressure roller (3) be take cutoff tool (1) and are distributed in the left and right sides of cutoff tool (1) as symmetrical centre, lower pattern (5) be take cutoff tool (1) and is distributed in the left and right sides of flanging pattern (4) as symmetrical centre, top at flanging pattern (4) and lower pattern (5) is provided with slide (6), slide (6) is located to place on the workbench (9) of screen pack (8), in the end of workbench (9), be provided with in order to carry the conveyer belt (7) of the screen pack (8) that has been cut off flanging, it is characterized in that, step is:

Step 1, when length that screen pack (8) cuts off be on demand transported to cutoff tool (1) under after, screen pack (8) stop motion, slide (6) is opened, and pressure roller (3) and flanging scraper plate (2) move downward, lower pattern (5) moves upward, until push down screen pack (8);

Step 2, flanging pattern (4) move upward until prop up screen pack (8), and cutoff tool (1) moves downward, and screen pack (8) is cut off;

Step 3, flanging pattern (4) continue to move upward, thereby make the otch of screen pack (8) form flange;

Step 4, cutoff tool (1) and flanging pattern (4) return back to initial position, flanging scraper plate (2) rollback;

Step 5, flanging scraper plate (2) move downward between the flange of screen pack (8) otch, and outwards upset, by the screen pack of incision (8) flanging;

Step 6, pressure roller (3), flanging scraper plate (2) and lower pattern (5) return back to initial position, and slide (6) is shut, and screen pack (8) not cutting out section repeating step 1 to step 5 completes shearing and flanging, and cutting out section is carried by conveyer belt (7).

2. a kind of cut-out fold method as claimed in claim 1, it is characterized in that, in described step 1, described flanging scraper plate (2) outwards flips an angle and makes the bottom of flanging scraper plate (2) can prop up described screen pack (8) due on formed of the upper top of described lower pattern (5) in the process moving downward.