CN219449976U

CN219449976U - Novel constant tension warp is cut device

Info

Publication number: CN219449976U
Application number: CN202320455516.XU
Authority: CN
Inventors: 田守群; 李涛; 李智
Original assignee: Qingdao Gilli Plastic Weaving Co ltd
Current assignee: Qingdao Gilli Plastic Weaving Co ltd
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-08-01
Anticipated expiration: 2033-03-10

Abstract

The application discloses a novel constant tension warp slitting device, belongs to the field of plastic weaving equipment, and solves the problems that in the prior art, the procedure is complicated, the labor intensity of workers is high, the labor cost is not reduced, and the automatic control is not realized; the two ends of the slitting cutter bar are relatively fixed with the base (1), a plurality of slitting blades are arranged on the slitting cutter bar, and the slitting blades are arranged on the slitting cutter bar at equal intervals. According to the technical scheme, warping or warp frame installation links are reduced, working procedures are reduced, and labor intensity and labor cost are reduced.

Description

Novel constant tension warp is cut device

Technical Field

The utility model relates to a novel constant-tension warp slitting device, and belongs to the field of plastic weaving equipment.

Background

Plastic woven articles are a common category of articles in people's life, and are seen everywhere in people's life, such as plastic woven bags, plastic woven fabrics, and the like. In the existing plastic weaving technology, PE and PP are made into wire rolls through a plastic flat wire drawing machine, the wire rolls are put on a warping machine to be made into warp beams, or the wire rolls are put on a warp frame and then are put on a water jet loom, a projectile loom, a rapier loom or a circular loom to produce required woven products. The existing production process has been used for more than one hundred years, the working procedure is complicated, the labor intensity of workers is high, the reduction of the cost is not facilitated, and the realization of automatic control is not facilitated.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides a novel constant-tension warp slitting device, which reduces the steps of warping or warp frame installation, reduces working procedures and reduces labor intensity and labor cost.

The technical scheme adopted by the utility model is that the novel constant-tension warp slitting device comprises a base (1), wherein a supporting piece for supporting film roll rotation is arranged on the base (1), and a plurality of leveling supporting pieces II for leveling supporting films are arranged on the base (1);

the novel constant-tension warp cutting device further comprises a cutting cutter bar (2), wherein the cutting cutter bar (2) is positioned between two adjacent flat supporting pieces II; the two ends of the slitting cutter bar (2) are relatively fixed with the base (1), a plurality of slitting blades (3) are arranged on the slitting cutter bar (2), and the slitting blades (3) are arranged on the slitting cutter bar (2) at equal intervals.

Optimally, the novel constant-tension warp slitting device comprises a supporting frame (4), a supporting rod (5) for supporting a film roll, wherein the supporting frame (4) is fixed on a base (1), and the end part of the supporting rod (5) is connected with the side part of the supporting frame (4).

Optimally, the novel constant-tension warp slitting device is characterized in that a magnetic powder brake (6) is arranged on the support frame (4), and the support frame (4) penetrates through the support frame (4) and the end part of the support frame is connected with the braking end of the magnetic powder brake (6).

Optimally, the novel constant-tension warp slitting device is characterized in that at least one gasket (7) is arranged between two adjacent slitting blades (3), and the gasket (7) is arranged on the slitting cutter bar (2).

Optimally, the thickness of the gasket (7) of the novel constant-tension warp slitting device is 2-6 mm.

Optimally, the novel constant-tension warp slitting device comprises a leveling roller (8) and supports (9) positioned at two ends of the leveling roller (8), wherein the supports (9) are fixed on the base (1), and two ends of the leveling roller (8) are respectively connected with the two supports (9) in a rotating mode.

Optimally, the novel constant-tension warp slitting device further comprises a pressure sensor (10), wherein the pressure sensor (10) is arranged between two adjacent flat supporting pieces II.

Optimally, the novel constant-tension warp slitting device is characterized in that the tail end of the base (1) is provided with a supporting roller (11), and the height of the supporting roller (11) is higher than that of the leveling roller (8).

The beneficial effects of this application lie in:

in the technical scheme of this application, through direct cutting plastic film into banded and direct use as weaving warp, warp intensity loss of producing like this is little, and the product that tension was evenly made is leveled. And the scheme of this application overturns traditional production technology, eliminates the beaming process, effectively reduces workman's intensity of labour, reduces the cost of labor.

The scheme can realize automation during plastic braiding, and unmanned work can be realized in night shifts. The low-gram-weight high-flatness woven product can be produced by cutting with a film with low thickness. And the cutting width can be changed, and products with various knitting densities can be easily made

Drawings

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a schematic view of the slitting blade and slitting knife bar of the present application;

FIG. 3 is a schematic view of the cooperation structure of the support frame with the through holes and the support rod;

FIG. 4 is a schematic view of the fitting structure of the support frame with the groove and the support rod;

fig. 5 is a schematic diagram of a matching structure of the leveling roll and the support in the present application.

Detailed Description

The technical features of the present utility model are further described below with reference to the accompanying drawings and the specific embodiments.

According to the technical scheme, the PE or PP high-strength unidirectional stretching film MDO is directly put on a constant-tension warp slitting device and is cut into proper widths, and the high-strength unidirectional stretching film MDO is used as warp and is suitable for various plastic weaving looms.

As shown in the figure, the utility model is a novel constant-tension warp slitting device, which is provided with a base (1), wherein the base (1) is cut into a rectangular plate shape by using a metal plate.

A supporting piece for supporting the film roll to rotate is arranged on the base (1). In the embodiment, the support piece is provided with two support frames (4) and a support rod (5), wherein the two support frames (4) are arranged at intervals, and the lower end of the support frame is welded and fixed at one end of the upper surface of the base (1).

The upper section of one supporting frame (4) is provided with a through hole, and the upper end of the other supporting frame (4) is provided with a groove.

The support frame (4) with the through holes is provided with the magnetic powder brake (6), the braking end of the magnetic powder brake (6) is provided with a mounting hole, and the mounting hole of the magnetic powder brake (6) is opposite to the through holes of the support frame (4) and is coaxially arranged.

One end of the supporting rod (5) penetrates through the through hole of one supporting frame (4) and is inserted into the mounting hole of the magnetic powder brake (6), and the other end of the supporting rod (5) is sleeved with a self-lubricating bearing sleeve and then is placed in the groove of the other supporting frame (4).

A plurality of leveling supporting pieces II for leveling the supporting films are arranged on the base (1).

The two leveling support parts comprise leveling rollers (8) and support seats (9) positioned at two ends of the leveling rollers (8), wherein the support seats (9) are fixed on the base (1), and bearings or self-lubricating bearing sleeves are respectively arranged at two ends of the leveling rollers (8) and are rotationally connected with the two support seats (9) through the bearings or the self-lubricating bearing sleeves. The leveling rollers (8) of the leveling support pieces II are arranged in parallel and parallel to the support rods (5).

In this embodiment, the film is slit into strips of film in the form of strips using a slitting knife (2) and a slitting blade (3) thereon. The slitting knife bar (2) adopts a solid metal bar, the slitting knife blade (3) is an annular metal blade, and the slitting knife bar (2) penetrates through a middle through hole of the slitting knife blade (3). A plurality of slitting blades (3) are arranged on the slitting knife bar (2).

The slitting blades (3) are separated by gaskets (7), the gaskets (7) are annular plastic sheets, the thickness of the gaskets is between 2 and 6 millimeters, and the slitting cutter bar (2) penetrates through the middle through hole of the gaskets (7). At least one gasket (7) is arranged between two adjacent slitting blades (3), the two adjacent slitting blades (3) are separated by the gasket (7), and a certain interval is reserved between the two slitting blades (3) so as to slit the film into a strip-shaped plastic strip with a certain width.

The middle part of the existing film roll is provided with a scroll, and the scroll adopts a hollow tube form. In this embodiment, when the film roll is installed, the supporting rod (5) passes through the reel in the middle of the film roll, the outer diameter of the supporting rod (5) is slightly smaller than the inner diameter of the reel, so that the installation is convenient, and after the installation, a rubber sheet is used for plugging into a gap between the outer diameter of the supporting rod (5) and the inner diameter of the reel, so that the relative movement between the supporting rod (5) and the reel is reduced. One end of the supporting rod (5) is provided with a flat key so as to be connected with a mounting hole of the magnetic powder brake (6), the other end of the supporting rod (5) is sleeved with a self-lubricating bearing sleeve, then one end of the supporting rod (5) penetrates through a through hole of one supporting frame (4) and is inserted into the mounting hole of the magnetic powder brake (6), and the other end of the supporting rod (5) is placed in a groove of the other supporting frame (4).

After the film roll is installed, the film of the film roll is wound around the slitting cutter bar (2) and the plurality of leveling rollers (8) in sequence as shown in the figure, the slitting cutter blade (3) cuts the film into flat filaments, the flat filaments penetrate into palm fiber holes of the loom 12 respectively, and the loom 12 is started to draw the flat filaments to move forward to form the composite woven fabric. The film roll continuously rotates under the traction of the loom 12, and warp yarns manufactured by the slitting knife are supplied to the loom 12 for normal production.

The pressure sensor (10) is located between two adjacent flat supports. In this embodiment, the pressure sensor (10) is mounted on the base (1) through a bracket, and the sensing end of the pressure sensor (10) contacts the lower surface of the film after the film roll is unwound, so as to detect the unwinding pressure of the film.

The tail end of the base (1) is provided with a supporting roller (11), and the height of the supporting roller (11) is higher than that of the leveling roller (8). The back-up roll (11) is parallel to leveling roller (8) setting, and the both ends of back-up roll (11) cup joint the bearing respectively and install the tail end at base (1) upper surface through the bearing frame. After passing over the levelling roll, the film is lifted to facilitate entry into the loom 12.

According to the technical scheme, the uncoiler and the slitting device are integrated together, the film is slit to form a piece of flat yarn, the flat yarn is used as warp of the loom, so that the produced warp is small in strength loss, and the product made of uniform tension is flat. By adjusting the number of shims (7) between the two slitting blades (3) so that the cutting pitch is varied, different weaving densities can be obtained. Two devices of the present application are installed at the warp feed end of the loom, and a double warp product can be made with a double unwinder.

According to the technical scheme, the traditional production process is overturned, the film is directly cut and then used as warp, the warping procedure is eliminated, the warp strength loss is small, and the product quality is improved essentially.

As the working procedures are reduced, the labor intensity of workers is effectively reduced, and the labor cost is reduced.

The warp shaft after warping has shorter length, if the length is too long, the warp shaft is too large, and because the loom needs more warps, more than one hundred and more than several hundred, the space between warp seats on the loom is smaller, and if the warp shaft is too large, the warp shaft cannot be arranged on the warp shaft mounting seat of the loom. But the technical scheme of this application does not have this aspect and worries, can use the film roll that curl length is great, places the film roll of enough coiling length on the equipment of this application, can supply the warp quantity of loom a whole day, does not need artificial on duty to change warp axle, can realize the automation of loom and weave, and night shift can realize unmanned operation.

In this application, use the flat filament after cutting as warp, warp intensity loss is little to warp is not through being twined at warp epaxial this step, so crimp, internal stress are little, can produce the woven product of high roughness.

And moreover, the slit flat filaments are used as warps, and a thinner film can be used for slitting, so that the thickness of the flat filaments is small, and the flat filaments are used as warps, so that a woven product with low gram weight can be produced. By being able to vary the cutting width, products of various knitting densities are easily made.

Compared with the traditional warping or warp frame production mode, the device has obvious advantages, under the condition that 100 loom works for 24 hours, the traditional operation method needs 25 operators and 5 maintenance auxiliary staff for each class, 60 persons are needed for two classes, the improved operation method can achieve the same result by 25 persons, 35 persons are reduced, and 21 ten thousand yuan can be saved per month according to the month wage calculation of 6000 yuan per person. The loss rate can be reduced from original 5% to 0.5%, and according to 1000 tons of monthly yield, 45 tons of raw materials can be saved, which is equivalent to 45 ten thousand yuan per month. The product quality is also improved substantially.

It should be understood that the above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, and that various changes, modifications, additions and substitutions can be made by those skilled in the art without departing from the spirit and scope of the utility model.

Claims

1. The novel constant-tension warp slitting device comprises a base (1), wherein a supporting piece for supporting film roll rotation is arranged on the base (1), and a plurality of leveling supporting pieces II for leveling supporting films are arranged on the base (1);

the method is characterized in that: the cutting device further comprises a cutting cutter bar (2), wherein the cutting cutter bar (2) is positioned between two adjacent flat supporting pieces II; the two ends of the slitting cutter bar (2) are relatively fixed with the base (1), a plurality of slitting blades (3) are arranged on the slitting cutter bar (2), and the slitting blades (3) are arranged on the slitting cutter bar (2) at equal intervals.

2. The novel constant tension warp slitting device as set forth in claim 1, wherein: the support piece comprises a support frame (4) and a support rod (5) for supporting the film roll, wherein the support frame (4) is fixed on the base (1), and the end part of the support rod (5) is connected with the side part of the support frame (4).

3. The novel constant tension warp slitting device as set forth in claim 2, wherein: the magnetic powder brake (6) is arranged on the support frame (4), and the support frame (4) penetrates through the support frame (4) and the end part of the support frame is connected with the brake end of the magnetic powder brake (6).

4. The novel constant tension warp slitting device as set forth in claim 1, wherein: at least one gasket (7) is arranged between two adjacent slitting blades (3), and the gasket (7) is arranged on the slitting cutter bar (2).

5. The novel constant tension warp slitting device as set forth in claim 4, wherein: the thickness of the gasket (7) is 2-6 mm.

6. The novel constant tension warp slitting device as set forth in claim 1, wherein: the leveling support piece II comprises a leveling roller (8) and supports (9) positioned at two ends of the leveling roller (8), wherein the supports (9) are fixed on the base (1), and two ends of the leveling roller (8) are respectively connected with the two supports (9) in a rotating mode.

7. The novel constant tension warp slitting device as set forth in claim 1, wherein: and a pressure sensor (10), wherein the pressure sensor (10) is arranged between two adjacent flat supports.

8. The novel constant tension warp slitting device as set forth in claim 6, wherein: the tail end of the base (1) is provided with a supporting roller (11), and the height of the supporting roller (11) is higher than that of the leveling roller (8).