CN2759735Y

CN2759735Y - Plastic flat fiber blank cutting equipment

Info

Publication number: CN2759735Y
Application number: CN 200520053953
Authority: CN
Inventors: 李新忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-01-17
Filing date: 2005-01-17
Publication date: 2006-02-22
Anticipated expiration: 2015-01-17

Abstract

The utility model relates to cutting equipment for plastic flat fiber blanks. A middle cutter is arranged between a film raising roller and a film clamping roller, and a slitting cutter is installed on the central position of the front of the film clamping roller; two pairs of turnover skew rollers are arranged between the film clamping roller and the slitting cutter, the central shaft line direction of each turnover skew roller is staggered with the horizontal reference line direction to form an included angle, central shaft lines of the two turnover skew rollers in same pair are parallel and the staggered direction of the central shaft lines of the two turnover skew rollers in different pairs is opposite. The utility model is suitable for cutting big broadloom plastic film into flat fiber blanks and can enable working face width of cut-off operation, subsequent draw operation and subsequent setting operation to reduce by a half of the proper width of the plastic film.

Description

Plastic flat fiber base cutting equipment

Technical field

The utility model belongs to a kind of equipment that is used to produce plastic flat fiber, is specifically related to a kind of plastic flat fiber base cutting equipment.

Background technology

In the process that plastic flat fiber is produced, become the plastic foil slitting cutter of the width of cloth to cut into dozens or even hundreds of nascent flat filament base, carry out hot-stretch, typing, coiling etc. then.In conventional plastic Flat Yarn Production process, all semi-finished product and finished product (comprise plastic foil, flat filament base and flat filament finished product) all travel forward impartially always, so plastic foil extrusion equipment, carving knife, carry-over pinch rolls, hot-stretch equipment, the face width of modular system etc. is consistent, and this face width is consistent with the width of plastic film, mostly be between 1.0 meters to 1.6 meters, like this could handled easily, particularly be convenient to the operation of hot-stretch process and type-approval process, because in these two processes, need the workman to stand in the equipment next door, the flat filament base traction of semi-finished product flat filament base or fracture is in place.

But for extruding that width reaches about 2 meters even surpassing big wide cut plastic foil more than 2 meters, conventional plastic flat filament base cutting method and equipment just are difficult to be applied in the actual production of plastic flat fiber.This be because: 1, follow-up hot-stretch process and the traction type-approval process in, laterally face width also must correspondingly reach more than 2 meters, surpass the length that workman's arm can reach, the workman who stand in a certain side of equipment can only draw, control to the flat filament bar of the same side, and can't draw, control to the flat filament base bar of opposite side; When horizontal face width surpasses certain numerical value, even the flat filament base bar that is positioned at central part from the left side still be, and the right side all is difficult to traction, controls and obtain; 2, the horizontal face width of all devices must reach about 2 meters even surpass 2 meters, so not only device fabrication difficulty, and the cost height, and also equipment occupation space is big.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned shortcoming and a kind of plastic flat fiber base cutting equipment is provided, it is suitable for big wide cut plastic foil is cut into the flat filament base, can make cutting action and follow-up stretching process, shaping process face width than the reduced width of plastic foil itself half, make the workman who stand in the equipment next door draw, control to flat filament base bar easily.

For realizing above purpose, plastic flat fiber base cutting equipment of the present utility model comprises carries film roller, folder film roller, carving knife, its main feature is, the length of carving knife is less than the length of folder film roller, cut open cutter in being provided with between film roller and the folder film roller carrying, carving knife is installed in the middle position in folder film roller the place ahead, also is provided with two pairs of turnover cross rolls between folder film roller and carving knife, parallel with two a pair of turnover cross roll central axis, and different right turnover cross roll incline direction is opposite.

Realization above-mentioned purpose scheme preferably is: the length of carving knife is equivalent to press from both sides 50%～60% of film roller length.

Realize that the better scheme of above-mentioned purpose is: wherein a pair of turnover cross roll is along tilting from the upper left side to bottom-right direction, and along tilting from the lower left to top-right direction, the angle of inclination size is 10 °～45 ° to the cross roll of transferring for another.

The angle of inclination size of each cross roll of transferring is preferably adjustable, can adapt to the requirement of different installation situation like this, also can adapt to the plastic foil that cuts different in width.

The vertical position of the above-mentioned cross roll of respectively transferring is preferably also adjustable, can adapt to the requirement of different installation situation like this, also can adapt to the plastic foil that cuts different in width.

The utlity model has following advantage and effect:

1, can be used with the plastic flat film extrusion equipment of big wide cut.Carry the position that flat film that the film roller extrudes the plastic foil extrusion equipment cuts open cutter in being transported to, in cut open cutter plastic flat film be divided into two, promptly dissecing becomes two plastic films, every plastic film is walked around a pair of turnover cross roll respectively then, translation takes place in the lateral attitude that makes plastic film and direction of advance remains unchanged, draw close and form stacked two-layer diaphragm up and down to central authorities respectively, two-layer diaphragm continues to advance, when arriving the carving knife position, the slitting cutter cuts into some nascent flat filament bases, continue then to be pulled forward to advance, carry out next process.

2, the utility model is suitable for big wide cut plastic foil is cut into the flat filament base, can make cutting action and the follow-up horizontal face width of stretching process, shaping process than the reduced width of plastic foil itself half, this width is that workman's arm can reach, meet the requirement of ergonomics, make the workman who stand in the equipment next door draw, control to flat filament base bar easily, so that in time that the traction of flat filament base is in place.

3, the transverse width of cutting equipment, flat filament hot-stretch equipment, flat filament modular system, flat fiber drawing roller is dwindled about half than plastic flat film, so not only avoid the device fabrication difficulty, reduce the device fabrication cost, and save the space of hold facility, and reduce the waste of plastic film leftover pieces.

Description of drawings

Fig. 1 is the structural representation of a kind of specific embodiment of the utility model.

Fig. 2 is the planar structure schematic diagram of plastic flat fiber base cutting equipment shown in Figure 1.

Fig. 3 is the installation direction schematic diagram of cross roll of respectively transferring among Fig. 2.

Fig. 4 is the process schematic diagram that plastic film is walked around a pair of turnover cross roll generation transverse shift.

The specific embodiment

Fig. 1, shown in Figure 2, a kind of specific embodiment of the utility model comprises carries film roller 1, folder film roller 2, carving knife 3, and carving knife 3 fronts are provided with carry-over pinch rolls 4, and the effect of carry-over pinch rolls 4 is that traction

plastic foil

71,73 and flat filament base 72 advance.Cut open cutter 5 in being provided with between film roller 1 and the folder film roller 2 carrying, the length of carving knife 3 is 1.2 meters, the length of folder film roller 2 is 2.3 meters, carving knife 3 is installed in the middle position in folder film roller 2 the place aheads, (turnover cross roll 61 and turnover cross roll 62 match also to be provided with two pairs of turnover cross rolls between folder film roller 2 and carving knife 3, turnover cross roll 63 and turnover cross roll 64 be made into another to), the central axis of each cross roll of transferring and the horizontal datum direction formation angle that staggers, and it is parallel with two a pair of turnover cross roll central axis, and different right turnover cross roll central axis are opposite with the direction that horizontal datum staggers, promptly wherein a pair of

turnover cross roll

61,62 stagger with horizontal datum clockwise direction in Fig. 3, the direction that formation is tilted from the upper left side to the lower right, and another is to

turnover cross roll

63,64 along counterclockwise staggering in Fig. 3, the direction that formation is tilted from the lower left to the upper right side, the central axial direction of each cross roll of transferring and horizontal datum direction stagger and form angle α, the size of β is 25 °.Among Fig. 3 " horizontal datum " of so-called

turnover cross roll

61,63, be meant respectively by corresponding turnover cross roll the left side end points and with the parallel straight line n of folder film roller central axis ₁And n ₂

The working method of the foregoing description is as follows: carry the position that flat film 73 (2.2 meters of width) that film roller 1 extrudes the plastic foil extrusion equipment cuts open cutter 5 in being transported to, in cut open cutter 5 along plastic flat film is divided into two, promptly dissecing becomes two plastic films 71, every 1.1 meters, the middle cutting line l1 (shown in Figure 2) that forms, press from both sides film roller 2 then two plastic films 71 are transported to deflector roll 8, every plastic foil is walked around a pair of turnover cross roll respectively, the plastic foil that is the left side is walked around turnover cross roll 61 and turnover cross roll 62, the plastic foil on the right side is walked around turnover cross roll 63 and turnover cross roll 64, as shown in Figure 3, through twice turnover, the lateral attitude of plastic foil is moved and direction of advance remains unchanged (shown in arrow among Fig. 4), draw close 0.55 meter (cuing open 1/2 width L of back plastic film promptly) to central authorities respectively, be sent to pinch roll 10 through lower guide roll 9 respectively afterwards, form stacked two-layer diaphragm up and down, carry-over pinch rolls 4 continue the two-layer diaphragm 71 of traction and advance, when arriving carving knife 3 positions, slitting cutter 3 cuts into stacked two-layer nascent flat filament base 72 up and down, totally 135 of every layer of nascent flat filament bases, continue traction by carry-over pinch rolls 4 then and advance forward, carry out next process.

The length of above-mentioned carving knife can change 1.15 meters into, also can change 1.35 meters into.

The angle of inclination of the above-mentioned cross roll of respectively transferring (promptly transfer between cross roll central axis and the horizontal datum angle) can be regulated between 10 °～45 °.Can adapt to the requirement of different installation situation like this, also can regulate this angle of inclination, cut open 1/2 width of the every plastic foil in back in equaling with the distance that guarantees the plastic foil transverse shift.

The vertical position of the integral body of above-mentioned turnover cross roll is preferably also adjustable, can adapt to the requirement of different installation situation like this, also can adjust samely, cut open 1/2 width of the every plastic foil in back in equaling with the distance that guarantees the plastic foil transverse shift the distances of two turnovers between the cross rolls.

" front " of each parts, " back " in the present specification, " between " the position relation, should make an explanation in conjunction with the ordinal relation on producing.The direction of advancing when " front " is meant the plastic flat fiber walking; Its rightabout is " back ".Therefore, in the foregoing description, the turnover cross roll also can be positioned at the deflector roll locus under, in this case, from the ordinal relation of producing, the cross roll of transferring still is interpreted as in last deflector roll " the place ahead ".

Claims

1, a kind of plastic flat fiber base cutting equipment, comprise and carry film roller, folder film roller, carving knife, it is characterized in that: the length of carving knife is less than the length of folder film roller, cut open cutter in being provided with between film roller and the folder film roller carrying, carving knife is installed in the middle position in folder film roller the place ahead, between folder film roller and carving knife, also be provided with two pairs of turnover cross rolls, parallel with two a pair of turnover cross roll central axis, and different right turnover cross roll incline direction is opposite.

2, according to the plastic flat fiber base cutting equipment of claim 1, it is characterized in that: the length of carving knife is equivalent to press from both sides 50%～60% of film roller length.

3, according to the plastic flat fiber base cutting equipment of claim 1 or 2, it is characterized in that: wherein a pair of turnover cross roll is along tilting from the upper left side to bottom-right direction, along tilting from the lower left to top-right direction, the angle of inclination size is 10 °～45 ° to the turnover cross roll for another.

4, according to the plastic flat fiber base cutting equipment of claim 1 or 2, it is characterized in that: each cross roll angle of inclination adjustable size of transferring.

5, according to the plastic flat fiber base cutting equipment of claim 1 or 2, it is characterized in that: the vertical position of each cross roll of transferring is adjustable.