CN210998932U

CN210998932U - Rotary cutter

Info

Publication number: CN210998932U
Application number: CN201921425752.7U
Authority: CN
Inventors: 王志博; 董心义
Original assignee: Shandong Haiwang Plastic Technology Co ltd
Current assignee: Shandong Haiwang Plastic Technology Co ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-07-14
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a rotary cutter relates to a section of thick bamboo membrane rotary-cut technical field, include: the unwinding device is used for rotationally outputting the wound film; the guide mechanism penetrates through the cylinder film to horizontally support the cylinder film; the cutting mechanism is used for obliquely cutting the single layer of the cylindrical film which is supported and leveled on the guide mechanism into a sheet film; the winding device is used for drawing and winding the film sheet; the discharging direction of the unwinding device is the same as the guiding direction of the guiding mechanism, and the winding direction of the winding device is the same as the cutting direction of the cutting mechanism. The utility model solves the technical problem of unstable quality of the rotary-cut finished product of the tubular film in the prior art, the utility model greatly improves the smoothness of the transportation and cutting of the tubular film and the traction and rolling of the sheet film, the cutting mechanism cuts more stably on the flattened tubular film, the cutting quality is higher, the quality of the formed sheet film is more stable finally, and the yield is obviously improved; moreover, the rotary cutter has simple structure and low cost, and the collocation of all the components has diversity.

Description

Rotary cutter

Technical Field

The utility model relates to a section of thick bamboo membrane rotary-cut technical field, in particular to peeler.

Background

In the production process of the crossed film, the rolled cylindrical film needs to be obliquely cut into sheet films and then compounded. At present, the rotary cutting method of the cylindrical film is to convey the rolled cylindrical film along a cylindrical support drum, so that the cylindrical film continuously rotates while advancing, and the cylindrical film is cut by a cutter in the rotating process, thereby achieving the purpose of beveling. The following problems are present in each of these methods: firstly, the advancing speed and the rotating speed of the cylindrical film are difficult to be uniform, and the angle between the length direction of the cut sheet film and the original length direction of the cylindrical film is unstable; secondly, the diameter and length specification of the cylindrical membrane and the diameter and length specification of the supporting drum are matched in a one-to-one mode, and the universal applicability is not available; thirdly, when the diameter of the cylinder film is floated, the film can not be completely and uniformly attached to the supporting cylinder, so that the cutting is not standard, the flatness of the edge of the film sheet formed after cutting is poor, and the yield of the cut film is low.

The utility model discloses a utility model with publication number CN 105818179A discloses a rotatory cutting device of tube-shape film and cutting method, constitute through being equipped with a plurality of running rollers on supporting the drum to the roller frame that is used for the running roller installation passes through on the installation supporting drum that the spring elastically stretches out and draws back, guarantees that the running roller can have certain unsteady distance from top to bottom, makes the section of thick bamboo membrane when carrying, running roller and section of thick bamboo membrane rolling contact, still holds the rotatory supporting drum tightly when tube-shape film diameter changes, thereby guarantees the rotary-cut quality. The technology applies a plurality of rollers, the installation requirement of each roller is higher, and the outward elastic supporting force of each roller is difficult to be the same, so that the force acting on the cylinder membrane is not uniform, and the problem that the local extension of the cylinder membrane is too large or too small is easily caused; the guide direction of the roller is along the axial direction of the supporting drum, and the helical movement of the cylindrical film during precession is hindered to a certain degree, so that the smoothness of the cylindrical film conveying is poor, and the product quality is influenced; moreover, the overall device has a complex structure, and the production cost and the maintenance cost are high.

Disclosure of Invention

Aiming at the defects, the utility model aims at providing a rotary cutter, aiming at solving the technical problem that the quality of the rotary cut finished product of the tubular membrane in the prior art is unstable.

In order to solve the technical problem, the technical scheme of the utility model is that:

a rotary cutting machine comprising: the unwinding device is used for rotationally outputting the wound film; the guide mechanism penetrates through the cylinder film to horizontally support the cylinder film; the cutting mechanism is used for obliquely cutting the single layer of the cylindrical film which is supported and leveled on the guide mechanism into a sheet film; the winding device is used for drawing and winding the film sheet; the discharging direction of the unwinding device is the same as the guiding direction of the guiding mechanism, and the winding direction of the winding device is the same as the cutting direction of the cutting mechanism.

Wherein, the rotation center of unwinding device and guiding mechanism's center are located same horizontal plane, and guiding mechanism's direction of direction and cutting mechanism's cutting direction are 45 contained angles.

Wherein, guiding mechanism includes two guide posts that are parallel to each other, and the one end of guide post is adjustable to be installed on the coiling mechanism, and the other end of guide post is towards unwinding device.

Wherein, the guide post is the button head towards unwinding device's one end, and the guide post has the mounting panel towards the one end bottom rigid coupling of coiling mechanism, installs two slide bars that parallel on the coiling mechanism, cup joints simultaneously on two slide bars and installs the slider, and the mounting panel rigid coupling is on the slider.

The two sliding rods are respectively provided with a sliding block correspondingly, the two sliding blocks are respectively a first sliding block and a second sliding block, the first sliding block is fixed on the sliding rods, one side, back to the first sliding block, of the second sliding block is fixedly connected with one end of a traction rope, and the other end of the traction rope is extended towards the direction far away from the first sliding block and then is turned by a guide wheel, and a balancing weight is vertically hung on the other end of the traction rope.

Wherein, be equipped with the tuber pipe between two guide posts, tuber pipe and guide post parallel arrangement, the tuber pipe is equipped with the air outlet towards unwinding device's one end, and the other end of tuber pipe is connected with the fan.

Wherein, the guiding mechanism top is equipped with the depression bar, and the depression bar tip cup joints on the montant.

The cutting mechanism comprises a blade which is driven by the power assembly to rotate and cut, and the blade continuously cuts any one layer of the cylinder film which is supported and flattened by the two guide columns.

The cutting mechanism further comprises a cutter holder positioned between the two guide columns, and a cutter groove for accommodating the cutter blade is formed in the cutter holder.

Wherein, cutting mechanism still includes the arc deflector that is located guiding mechanism top, is located blade the place ahead, and the arc deflector is protruding downwards.

After the technical scheme is adopted, the beneficial effects of the utility model are that:

because the utility model discloses a rotary cutter includes unwinding device, guiding mechanism, cutting mechanism and receipts voucher device, unwinding device's ejection of compact direction is the same with guiding mechanism's direction, winding device's rolling direction is the same with cutting mechanism's cutting direction, unwinding device carries the section of thick bamboo membrane forward in rotatory mode, guiding mechanism runs through in the section of thick bamboo membrane, prop the section of thick bamboo membrane from inside flat, and continue carrying the section of thick bamboo membrane forward continuously, the section of thick bamboo membrane that is propped flat forms two-layer, cutting mechanism carries out the individual layer to the section of thick bamboo membrane with the fixed angle of the transport direction slope of section of thick bamboo membrane and continuously cuts the section of thick bamboo membrane, the section of thick bamboo membrane individual layer is cut into continuous piece membrane, the piece membrane is constantly pulled the rolling by winding device all the time, make the smooth and easy nature of the transportation of section of thick bamboo membrane, the drawing rolling of piece membrane greatly promote, cutting mechanism cuts more stable, the finished product rate of the formed film is improved; moreover, the rotary cutter has simple structure and low cost, and the collocation of all the components has diversity.

Because the rotation center of the unwinding device and the center of the guide mechanism are positioned in the same horizontal plane, and the guide direction of the guide mechanism and the cutting direction of the cutting mechanism form an included angle of 45 degrees, the high-efficiency production of 45-degree film sheets can be realized.

Because the guide mechanism comprises two guide posts which are parallel to each other, one end of each guide post is adjustably mounted on the winding device, the other end of each guide post faces the unwinding device, the cylindrical film is supported and leveled through the two guide posts, and the contact area between the cylindrical film and the guide posts is only the partial cylindrical surfaces of the guide posts, the friction force between the guide mechanism and the cylindrical film is smaller, and the spiral conveying of the cylindrical film is smoother and more stable; meanwhile, the cutting quality of the cylindrical film is directly influenced by the flattening degree of the cylindrical film, and the flattening quality of the cylindrical film by the guide mechanism can be well maintained only by adjusting the distance between the two guide columns, so that the subsequent cutting of the cylindrical film is guaranteed; on the other hand, the use of cylinder membranes with different specifications can be met by adjusting the distance between the two guide columns, and the universality is good.

Because the guide post is the button head towards the one end of unwinding device, avoid the crowded jam of section of thick bamboo membrane at the tip of guide post, promote the smooth and easy nature that guiding mechanism dredges the section of thick bamboo membrane.

Because two slide bars correspond the installation slider respectively, two sliders are first slider and second slider respectively, and first slider is fixed on the slide bar, and second slider one side rigid coupling dorsad first slider has the one end of haulage rope, and the other end of haulage rope is extended the back towards the direction of keeping away from first slider by the leading wheel diversion and vertical hanging has put the balancing weight. Through the action of gravity of balancing weight for the haulage rope applys an effort to the second slider all the time, this effort orders about the second slider and removes towards the direction of keeping away from first slider, be used for the section of thick bamboo membrane to cup joint at two guide posts outsidely, this effort makes two guide posts can prop flat section of thick bamboo membrane all the time, can not lead to the section of thick bamboo membrane to prop because of the radial distance that extends of section of thick bamboo membrane is different and level, the individual layer roughness of the section of thick bamboo membrane after the internal stay can not lead to the uneven problem in follow-up cutting position.

Because be equipped with the tuber pipe between two guide posts, tuber pipe and guide post parallel arrangement, the tuber pipe is equipped with the air outlet towards unwinding device's one end, and the other end of tuber pipe is connected with the fan. Wind blows into the inside of the cylindrical film through the wind pipe, and the cylindrical film which is conveyed to the guide post in a rotating mode is unfolded, so that the cylindrical film can smoothly enter the guide mechanism, and the cylindrical film is conveyed more smoothly.

Because the cutting mechanism also comprises a cutter holder positioned between the two guide columns, the cutter holder is provided with a cutter groove for accommodating the cutter blade. The blade of blade can be accomodate in the sword inslot, need not cut the rete because of the undulation of self and lead to the miscut in the upper strata or the lower floor of avoiding being propped flat section of thick bamboo membrane.

Because cutting mechanism still including being located the guiding mechanism top, being located the arc deflector in blade the place ahead, the arc deflector is protruding downwards, can smooth the great section of thick bamboo membrane rete of fluctuation effectively, further promotes the quality of section of thick bamboo membrane cutting.

To sum up, the utility model solves the technical problem of unstable quality of the rotary-cut finished product of the tubular film in the prior art, the utility model greatly improves the smoothness of the transportation and cutting of the tubular film and the traction and rolling of the sheet film, the cutting mechanism cuts more stably on the flattened tubular film, the cutting quality is higher, the quality of the formed sheet film is more stable finally, and the yield is obviously improved; moreover, the rotary cutter can be suitable for the cylindrical membranes with various specifications, the whole structure of the equipment is simple, the cost is low, and the collocation among all the components is diversified.

Drawings

Fig. 1 is a schematic structural view of a rotary cutting machine according to the present invention;

fig. 2 is a schematic view of the structure of the cutting mechanism of fig. 1.

In the figure, the unwinding device 1, the mounting frame 10, the rotating frame 11, the first motor 12, the guard rail 13, the guiding mechanism 2, the guide post 20, the round head 200, the mounting frame 10, the sliding rod 21, the first slider 22, the second slider 23, the traction rope 230, the counterweight 231, the air duct 24, the vertical rod 25, the fixing sleeve 26, the locking bolt 260, the pressing rod 27, the cutting mechanism 3, the blade 30, the knife holder 31, the knife slot 310, the second motor 32, the protective cover 33, the arc-shaped guide plate 34, the winding device 4, the bobbin 5 and the sheet film 6.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

The directions referred to in this specification are all based on the directions of the rotary cutting machine in normal operation of the present invention, and the directions of the rotary cutting machine in storage and transportation are not limited, but only represent relative positional relationships, and do not represent absolute positional relationships.

As shown in fig. 1, the rotary cutting machine includes four parts, namely, an unwinding device 1, a guiding mechanism 2, a cutting mechanism 3 and a winding device 4, wherein a wound roll of a roll film 5 is wound on a winding drum, the winding drum is sleeved on the unwinding device 1, one end of the roll film 5 extending outside is sleeved on the guiding mechanism 2, the guide mechanism 2 is used for internally supporting the roll film 5 to form a double-layer plane, the cutting mechanism 3 forms a fixed included angle with the guiding direction of the guiding mechanism 2 in the cutting direction, the included angle is preferably 45 °, the upper layer or the lower layer of the supported roll film 5 is cut by the cutting mechanism 3 to form a sheet film 6, and the winding device 4 continuously conveys and draws the sheet film 6 forward, so as to achieve rotary cutting of the roll film 5.

As shown in fig. 1, the unwinding device 1 includes a mounting frame 10, a rotating frame 11 and a first motor 12, a rotating shaft is vertically mounted on a vertical frame body of the mounting frame 10 through a bearing, the rotating shaft is connected with the first motor 12 through gear transmission, belt transmission or chain transmission, and is driven by the first motor 12 to rotate, the rotating frame 11 is an -type structure and includes a middle portion and two side portions, an end portion of the rotating shaft is welded or connected through a flange in the middle of the outer side of the middle portion, a rotating column is rotatably mounted between the two side portions, the axial direction of the rotating column is identical to the length direction of the middle portion, the axis of the rotating column is perpendicular to the axis of the rotating shaft and is located in the same plane, a winding drum is sleeved on the rotating column, guard rails 13 are welded on the mounting frame 10, the guard rails 13 are arranged on two sides of the rotating frame 11, the first motor 12 drives the rotating shaft to rotate, the rotating frame 11 is driven to rotate, the rotating frame 11 can drive the winding drum film 5 to rotate, under the traction of the winding device 4, the drum film 5 is conveyed towards the guiding mechanism.

As shown in fig. 1, the guiding mechanism 2 includes two guide posts 20, two guide posts 20 are parallel to each other, the guide posts are parallel to each other with the pivot, install two slide bars 21 that parallel on the coiling mechanism 4, cup joint simultaneously on two slide bars 21 and install the slider, the one end welding of guide post 20 has mounting panel 201, mounting panel 201 passes through the bolt fastening on the slider, the other end of guide post is button head 200, two guide posts 20 correspond respectively and install on two sliders, two guide posts 20 alternate in section of thick bamboo membrane 5, two guide posts 20 prop a flat section of thick bamboo membrane 5 from two inside opposite sides of section of thick bamboo membrane 5, under the traction of coiling mechanism 4, section of thick bamboo membrane 5 lasts and carries along guide posts 20 forward.

As shown in fig. 1, two slide bars 21 are respectively provided with a slide block, the two slide blocks are respectively a first slide block 22 and a second slide block 23, a limit sleeve is clamped on the slide column, and the limit sleeve is blocked at two sides of the first slide block 22, so that the first slide block 22 is fixed on the slide bar 21. One end of a traction rope 230 is fixedly connected to one side of the second slider 23, which faces away from the first slider 22, and the other end of the traction rope 230 faces along the length direction of the sliding rod 21 and extends away from the first slider 22, and then turns to extend downwards through the direction change of the guide wheel, and a counterweight 231 is hung in front of the ground. Through the action of gravity of balancing weight 231 for haulage rope 230 applies an effort to second slider 23 all the time, this effort orders about second slider 23 and removes towards the direction of keeping away from first slider 22, be used for section of thick bamboo membrane 5 to cup joint at two guide posts 20 outsidely, this effort makes two guide posts 20 can prop flat section of thick bamboo membrane 5 all the time, can not lead to section of thick bamboo membrane 5 can't prop because of the radial distance of extending of section of thick bamboo membrane 5 is different and level, the individual layer roughness of section of thick bamboo membrane 5 after the internal stay leads to the uneven problem in follow-up cutting position inadequately.

As shown in fig. 1, an air pipe 24 is arranged between the two guide posts 20, the air pipe 24 is parallel to the guide posts 20, an air outlet is formed in one end, facing the unwinding device 1, of the air pipe 24, a fan is connected to the other end of the air pipe 24, the fan is a blower, the air is blown into the air pipe 24 through the blower, the air is blown into the cylindrical film 5 through the air pipe 24, the cylindrical film 5 which is rotationally conveyed to the guide posts 20 is unfolded, the cylindrical film 5 can smoothly enter the guide mechanism 2, and the cylindrical film 5 can be conveyed more smoothly.

As shown in fig. 1, a vertical rod 25 is installed on the ground beside the guide mechanism 2, a fixing sleeve 26 is sleeved on the vertical rod 25, a pressure rod 27 is welded outside the fixing sleeve 26 along the radial direction, a screw hole is radially formed in the fixing sleeve 26, a locking bolt 260 is screwed in the screw hole, the height position of the pressure rod 27 is adjusted by vertically sliding the fixing sleeve 26 on the vertical rod 25, the fixing of the fixing sleeve 26 on the vertical rod 25 is realized by screwing the locking bolt 260, and the pressure rod 27 is used for pressing on the upper layer or the lower layer of the supported cylinder film 5 and flattening the conveyed cylinder film 5.

In the present embodiment, preferably, the two guide posts are located in the same horizontal plane, and both the upper layer and the lower layer of the stretched cylindrical film 5 are located in the horizontal plane.

As shown in fig. 1 and 2 together, the cutting mechanism includes a blade 30, a tool holder 31, a second motor 32, a safety guard, and an arc-shaped guide plate 34. The second motor 32 is installed on the winding device 4, the blade 30 is a circular knife, the blade 30 is coaxially fixed on a driving shaft of the second motor 32, and an included angle of 45 degrees is formed between the axial direction of the driving shaft of the second motor 32 and the guide column 20. The feeding amount of the blade 30 on the flattened tubular film 5 is smaller than the diameter of the guide column 20, preferably, the feeding amount is half of the diameter of the guide column 20, namely, the blade 30 can only cut the tubular film 5 by a single layer, and the blade surface of the blade 30 is perpendicular to the upper and lower layer surfaces of the flattened tubular film 5. The blade 30 rotated by the driving of the second motor 32 continuously cuts the single layer of the stretched cylindrical film 5, so that the entire cylindrical film 5 is spirally cut into the continuous sheet film 6. The protection cover 33 covers the blade 30 to prevent the blade 30 from being exposed, thereby improving the safety of production. The knife holder 31 is provided with a knife groove 310 matched with the blade 30, and the cutting edge of the blade 30 can be accommodated in the knife groove 310, so that the phenomenon that the upper layer or the lower layer of the flattened cylindrical film 5 does not need to be cut by mistake due to the fluctuation of the cutting film layer is avoided. The arc guide plate 34 is fixed on the safety cover and is located at the front position of the cutting position of the blade 30 for cutting the cylinder film 5, the arc structure of the arc guide plate 34 protrudes towards the film layer of the cylinder film 5, and a gap of 3-5 cm is formed between the arc structure and the film layer for smoothing the film layer of the cylinder film 5 with large fluctuation.

As shown in fig. 1, the winding device 4 is preferably a winder for winding the continuous web 6 into a roll.

Preferably, the discharging direction of the unwinding device 1 is the same as the guiding direction of the guiding mechanism 2, the guiding direction of the guiding mechanism 2 forms an included angle of 45 degrees with the cutting direction of the cutting mechanism 3, and the winding direction of the winding device 4 is the same as the cutting direction of the cutting mechanism 3. The rotation center of the unwinding device 1 and the center of the guide mechanism 2 are positioned in the same horizontal plane.

In the present embodiment, the cutting mechanism 3 preferably cuts the upper layer of the tubular film 5, and at this time, the cutting mechanism 3 is located above the tubular film 5, and the winding device 4 winds the tubular film 5 from the upper layer; of course, the cutting mechanism 3 may be installed below the guide mechanism 2 to cut the lower layer of the film web 5, and thus the winding device 4 needs to wind the film web 5 from the lower layer. In other embodiments, the guiding mechanism 2 may also be disposed in a manner that the plane where the two guiding pillars 20 are located is a non-horizontal plane, that is, the guiding mechanism 2 forms a fixed included angle with the horizontal plane.

The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative labor from the above conception, and all the changes fall within the protection scope of the present invention.

Claims

1. A rotary cutting machine, comprising:

the unwinding device is used for rotationally outputting the wound film;

the guide mechanism penetrates through the cylinder film to horizontally support the cylinder film;

the cutting mechanism is used for beveling the single layer of the cylindrical film which is supported and leveled on the guide mechanism into a sheet film;

the winding device is used for drawing and winding the sheet film;

the discharging direction of the unwinding device is the same as the guiding direction of the guiding mechanism, and the winding direction of the winding device is the same as the cutting direction of the cutting mechanism.

2. A rotary cutting machine as claimed in claim 1, wherein a center of rotation of said unwinding device and a center of said guiding means are located in a same horizontal plane, and a guiding direction of said guiding means is at an angle of 45 ° to a cutting direction of said cutting means.

3. A rotary cutting machine as claimed in claim 2, wherein said guide means comprises two guide posts disposed parallel to each other, one end of said guide posts being adjustably mounted on said winding means, and the other end of said guide posts facing said unwinding means.

4. A rotary cutting machine according to claim 3, wherein an end of said guiding post facing said unwinding device is rounded, a mounting plate is fixedly connected to a bottom of an end of said guiding post facing said winding device, said winding device is provided with two parallel sliding rods, two sliding rods are simultaneously sleeved with a slider, and said mounting plate is fixedly connected to said slider.

5. A rotary cutting machine according to claim 4, wherein said two slide bars are respectively provided with said slide blocks, said two slide blocks are respectively a first slide block and a second slide block, said first slide block is fixed on said slide bars, one side of said second slide block opposite to said first slide block is fixedly connected with one end of a traction rope, and another end of said traction rope extends in a direction away from said first slide block and then is turned by a guide wheel, and a weight block is vertically hung thereon.

6. A rotary cutting machine according to claim 3, wherein an air duct is provided between said two guide posts, said air duct being disposed in parallel with said guide posts, said air duct having an air outlet at an end thereof facing said unwinding device, and a blower being connected to an opposite end of said air duct.

7. A rotary cutting machine according to claim 6, wherein a pressing rod is provided above said guide mechanism, and an end of said pressing rod is sleeved on a vertical rod.

8. A rotary cutting machine according to claim 3, wherein said cutting mechanism includes a blade rotatably driven by a power unit for cutting, said blade continuously cutting either one of the layers of the cylindrical film held flat by said two guide posts.

9. A rotary cutting machine according to claim 8, wherein said cutting mechanism further includes a holder located between said two guide posts, said holder being provided with a pocket for receiving said blade.

10. A rotary cutting machine according to claim 9, wherein said cutting mechanism further includes an arcuate guide plate located above said guide mechanism and in front of said blade, said arcuate guide plate being downwardly convex.