CN219255814U - Wide rotary cutting device and lower anvil roll mechanism thereof - Google Patents

Wide rotary cutting device and lower anvil roll mechanism thereof Download PDF

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Publication number
CN219255814U
CN219255814U CN202320158548.3U CN202320158548U CN219255814U CN 219255814 U CN219255814 U CN 219255814U CN 202320158548 U CN202320158548 U CN 202320158548U CN 219255814 U CN219255814 U CN 219255814U
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CN
China
Prior art keywords
lower anvil
anvil roll
bearing
roll
rotary cutting
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Active
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CN202320158548.3U
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Chinese (zh)
Inventor
郭尚接
余富才
陈玉华
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SANMING PNV MACHINERY CO Ltd
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SANMING PNV MACHINERY CO Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/50Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57Improving the yield, e-g- reduction of reject rates

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Abstract

The utility model relates to a wide rotary cutting device and a lower anvil roll mechanism thereof, comprising a lower anvil roll, a protection step, a bearing seat assembly and a supporting seat, wherein the lower anvil roll is arranged on a die carrier of the wide rotary cutting device; the protection steps are sleeved at two ends of the lower anvil roll; the bearing seat assemblies are sleeved at two ends of the lower anvil roll, and the bearing seat assemblies are arranged at the inner sides of the protection steps; the supporting seat is connected with the die carrier of the wide rotary cutting device, is connected with the bearing seat assembly and is used for supporting the lower anvil roll. According to the technical scheme, the bearing seat assembly is moved to the inner side of the protection step, so that the stress point of the lower anvil roll is moved inwards, the span of the stress point is reduced, the rigidity is greatly improved, the flexible deformation of the lower anvil roll is greatly reduced, the flexible deformation direction of the lower anvil roll is changed, the flexible deformation direction of the lower anvil roll is the same as that of the upper knife roll, and the flexible deformation of the lower anvil roll and the flexible deformation of the upper knife roll are mutually offset.

Description

Wide rotary cutting device and lower anvil roll mechanism thereof
Technical Field
The application relates to the field of rolling die cutting equipment, in particular to a wide rotary cutting device and a lower anvil roll mechanism thereof.
Background
At present, the application of the rotary die cutting technology is more and more widespread, and the application industry relates to industries of non-woven fabrics, leather products, plastic products, food and medicine packaging, household paper, sanitary articles and the like. The working principle of the wide rotary cutting device is as follows: the upper knife roll bearing seat in the slide ways at two sides of the die carrier is pushed to move downwards by a pressurizing mechanism (such as a cylinder and a screw rod), so that the outer circle of the upper knife roll body is contacted with the outer circle cutting edge of the lower anvil roll body, a certain working pressure is generated, and the material passing between the upper knife roll and the lower anvil roll is cut into a required shape.
As shown in fig. 1, in the conventional wide rotary cutting apparatus 100, working pressure is applied to bearing positions on both sides of an upper cutter roll and a lower anvil roll, a span between the bearing positions on both sides is large, rigidity is poor, flexible deformation caused by stress is large, and flexible deformation directions of the upper cutter roll and the lower anvil roll are opposite, so that the upper cutter roll and the lower anvil roll are separated from each other, and cutting is easy to be continued.
Disclosure of Invention
In view of the above problems, the present application provides a wide rotary cutting device and a lower anvil roll mechanism thereof, which are used for solving the problems that the span between the bearing positions on two sides of an upper knife roll and a lower anvil roll is large, the rigidity is poor, the flexible deformation generated by stress is large, and the flexible deformation directions of the upper knife roll and the lower anvil roll are opposite, so that the roll bodies of the upper knife roll and the lower anvil roll are separated from each other, and the cutting is easy to be continuous.
In order to achieve the above object, the present inventors provide a lower anvil roll mechanism comprising a lower anvil roll, a protection step, a bearing block assembly and a supporting seat, wherein the lower anvil roll is mounted on a die carrier of a wide rotary cutting device; the protection steps are sleeved at two ends of the lower anvil roll; the bearing seat assemblies are sleeved at two ends of the lower anvil roll, and the bearing seat assemblies are arranged at the inner sides of the protection steps; the supporting seat is connected with the die carrier of the wide rotary cutting device, is connected with the bearing seat assembly and is used for supporting the lower anvil roll.
In some embodiments, the bearing housing assembly includes a bearing mounted on the mandrel of the lower anvil roll and a bearing sleeve mounted on the bearing and the bearing sleeve is mounted on the support base.
In some embodiments, the bearing housing assembly further comprises a bearing cap mounted on both sides of the bearing housing for limiting axial movement of the bearing.
In some embodiments, the lower anvil roll mechanism further comprises a transition sleeve mounted over the bearing sleeve, the transition sleeve having a diameter that is consistent with the diameter of the outer circumference of the lower anvil roll.
In some embodiments, the transition sleeve is mounted over the bearing sleeve by a first screw.
Compared with the prior art, the technical scheme has the advantages that the bearing seat assembly is moved to the inner side of the protection step, so that the stress point of the lower anvil roll is moved inwards, the span of the stress point is reduced, the rigidity is greatly improved, the flexible deformation of the lower anvil roll is greatly reduced, the flexible deformation direction of the lower anvil roll is changed, the flexible deformation direction of the lower anvil roll is the same as that of the upper knife roll, and the flexible deformation of the lower anvil roll and the flexible deformation of the upper knife roll are mutually counteracted.
In order to achieve the above object, the present inventors also provide a wide rotary cutting apparatus, including a die frame, a lower anvil roll mechanism, an upper cutter roll mechanism, and a pressurizing mechanism according to any one of the above-mentioned embodiments, the die frame including a top plate, a bottom plate, a lower seat plate, and side plates disposed between the bottom plate and the top plate; the lower anvil roll mechanism is arranged on the die carrier; the upper knife roll mechanism is arranged on the die carrier and is positioned above the lower anvil roll mechanism; the pressurizing mechanism is arranged on the top plate, the output end of the pressurizing mechanism is connected with the upper knife roller mechanism, and the pressurizing mechanism is used for cutting materials between the upper knife roller and the lower anvil roller by pressurizing the upper knife roller mechanism.
In some embodiments, the wide rotary cutting device further comprises a first adjusting assembly, the first adjusting assembly comprises an elastic piece and a fixing pin, the fixing pin is installed on the lower seat plate, the elastic piece is sleeved on the fixing pin, and the first adjusting assembly is used for reducing the weight of the upper cutter roller.
In some embodiments, the wide rotary cutting device further comprises a second adjusting assembly, the second adjusting assembly comprises a wedge block, an adjusting screw rod and a fixing seat, the wedge block is sleeved on the adjusting screw rod, the fixing seat is sleeved at one end of the adjusting screw rod, and the fixing seat is mounted on the side plate; the adjusting screw is used for adjusting the position of the wedge block so as to adjust the center distance between the upper knife roll and the lower knife roll.
In some embodiments, the second adjusting assembly further comprises a tightening screw and a locking nut, a radial screw hole communicated to the adjusting screw is formed in the side wall of the fixing base, the tightening screw is locked into the radial screw hole and tightens the adjusting screw, the locking nut is sleeved at one end, far away from the fixing base, of the adjusting screw, and the locking nut is used for being abutted against and fixed with the connecting side plate.
Compared with the prior art, the technical scheme has the advantages that the bearing seat assembly is moved to the inner side of the protection step, so that the stress point of the lower anvil roll is moved inwards, the span of the stress point is reduced, the rigidity is greatly improved, the flexible deformation of the lower anvil roll is greatly reduced, the flexible deformation direction of the lower anvil roll is changed, the flexible deformation direction of the lower anvil roll is the same as that of the upper knife roll, and the flexible deformation of the lower anvil roll and the flexible deformation of the upper knife roll are mutually counteracted.
The foregoing summary is merely an overview of the present application, and is provided to enable one of ordinary skill in the art to make more clear the present application and to be practiced according to the teachings of the present application and to make more readily understood the above-described and other objects, features and advantages of the present application, as well as by reference to the following detailed description and accompanying drawings.
Drawings
The drawings are only for purposes of illustrating the principles, implementations, applications, features, and effects of the present application and are not to be construed as limiting the application.
In the drawings of the specification:
FIG. 1 is a force-bearing schematic diagram of a wide rotary cutting device according to the background art;
FIG. 2 is a schematic force diagram of a wide rotary cutting device according to an embodiment;
FIG. 3 is an enlarged view of FIG. 2A;
FIG. 4 is a left side view of the wide rotary cutting apparatus according to the embodiment;
FIG. 5 is an enlarged view of B in FIG. 4;
fig. 6 is a schematic structural view of a second adjusting assembly according to an embodiment.
Reference numerals referred to in the above drawings are explained as follows:
100. a wide rotary cutting device; 1. a lower anvil roll mechanism;
11. a lower anvil roll;
12. a support base;
13. a bearing block assembly;
131. a bearing;
132. a bearing sleeve;
133. a bearing cap;
134. a transition sleeve;
135. a first screw; 14. the protection step;
2. a mould frame;
21. a top plate;
22. a bottom plate;
23. a lower seat plate;
24. a side plate;
3. an upper knife roll mechanism;
4. a pressurizing mechanism;
5. a first adjustment assembly; 51. an elastic member;
52. a fixing pin;
6. a second adjustment assembly; 61. wedge blocks;
62. adjusting a screw;
63. a fixing seat;
64. tightly pushing the screw;
65. and (5) locking the nut.
Detailed Description
In order to describe the possible application scenarios, technical principles, practical embodiments, and the like of the present application in detail, the following description is made with reference to the specific embodiments and the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples and are not intended to limit the scope of protection of the present application.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of the phrase "in various places in the specification are not necessarily all referring to the same embodiment, nor are they particularly limited to independence or relevance from other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the technical features mentioned in the embodiments may be combined in any manner to form a corresponding implementable technical solution.
Unless defined otherwise, technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application pertains; the use of related terms herein is for the description of specific embodiments only and is not intended to limit the present application.
In the description of the present application, the term "and/or" is a representation for describing a logical relationship between objects, which means that there may be three relationships, e.g., a and/or B, representing: there are three cases, a, B, and both a and B. In addition, the character "/" herein generally indicates that the front-to-back associated object is an "or" logical relationship.
In this application, terms such as "first" and "second" are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual number, order, or sequence of such entities or operations.
Without further limitation, the use of the terms "comprising," "including," "having," or other like terms in this application is intended to cover a non-exclusive inclusion, such that a process, method, or article of manufacture that comprises a list of elements does not include additional elements but may include other elements not expressly listed or inherent to such process, method, or article of manufacture.
As in the understanding of the "examination guideline," the expressions "greater than", "less than", "exceeding", and the like are understood to exclude the present number in this application; the expressions "above", "below", "within" and the like are understood to include this number. Furthermore, in the description of the embodiments of the present application, the meaning of "a plurality of" is two or more (including two), and similarly, the expression "a plurality of" is also to be understood as such, for example, "a plurality of groups", "a plurality of" and the like, unless specifically defined otherwise.
In the description of the embodiments of the present application, spatially relative terms such as "center," "longitudinal," "transverse," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," etc., are used herein as terms of orientation or positional relationship based on the specific embodiments or figures, and are merely for convenience of description of the specific embodiments of the present application or ease of understanding of the reader, and do not indicate or imply that the devices or components referred to must have a particular position, a particular orientation, or be configured or operated in a particular orientation, and therefore are not to be construed as limiting of the embodiments of the present application.
Unless specifically stated or limited otherwise, in the description of the embodiments of the present application, the terms "mounted," "connected," "affixed," "disposed," and the like are to be construed broadly. For example, the "connection" may be a fixed connection, a detachable connection, or an integral arrangement; the device can be mechanically connected, electrically connected and communicated; it can be directly connected or indirectly connected through an intermediate medium; which may be a communication between two elements or an interaction between two elements. The specific meanings of the above terms in the embodiments of the present application can be understood by those skilled in the art to which the present application pertains according to the specific circumstances.
Referring to fig. 2 and 3, the present embodiment relates to a wide rotary cutting apparatus 100, which includes a die frame 2, a lower anvil roller mechanism 1, an upper cutter roller mechanism 3 and a pressurizing mechanism 4, wherein the die frame 2 includes a top plate 21, a bottom plate 22, a lower seat plate 23 and a side plate 24 disposed between the bottom plate 22 and the top plate 21; the lower anvil roll mechanism 1 is arranged on the die carrier 2; the upper knife roll mechanism 3 is arranged on the die frame 2 and is positioned above the lower anvil roll mechanism 1; the pressing mechanism 4 is mounted on the top plate 21, and the output end thereof is connected to the upper cutter roller mechanism 3, and the pressing mechanism 4 is configured to cut the material between the upper cutter roller and the lower anvil roller by pressing the upper cutter roller mechanism 3.
The mold frame 2 comprises a top plate 21, a bottom plate 22, a lower seat plate 23 and side plates 24, wherein the top plate 21 and the bottom plate 22 are connected through the side plates 24, the side plates 24 are provided with two pieces, and the left side and the right side are respectively provided with one piece. Wherein, the side plate 24 is provided with a slideway for installing the upper knife roll bearing seat component of the upper knife roll mechanism 3, so that the upper knife roll can be driven to move upwards or downwards in the slideway under the action of the pressurizing mechanism 4.
The upper knife roll mechanism 3 and the lower anvil roll mechanism 1 are respectively rotatably arranged on the die frame 2 along the horizontal direction through an upper knife roll bearing seat assembly and a bearing seat assembly 13. The upper knife roll is arranged above the lower anvil roll mechanism 1 and can move up and down along the slide ways on the two sides of the die carrier 2. Wherein the top plate 21 is located above the upper knife roller mechanism 3, the bottom plate 22 is located below the lower anvil roller mechanism 1, and the side plates 24 are available for mounting of the upper knife roller mechanism 3 as well as the lower anvil roller mechanism 1.
The pressing mechanism 4 is mounted on the top plate 21, and the pressing direction of the pressing mechanism 4 is set downward. Alternatively, the pressurizing element of the pressurizing mechanism 4 may be a cylinder or a screw.
The working principle of the wide rotary cutting device 100 is as follows: the upper knife roll bearing seat in the slideway is pushed to move downwards by the pressurizing mechanism 4, so that the outer circle of the upper knife roll body is contacted with the outer circle cutting edge of the lower anvil roll 11 roll body, a certain working pressure is generated, and the material passing through the gap between the upper knife roll mechanism 3 and the lower anvil roll mechanism 1 is cut into a required shape.
According to the technical scheme, the bearing seat assembly 13 is moved inwards of the protection step 14, so that the stress point of the lower anvil roll 11 is moved inwards, the span of the stress point is reduced, the rigidity is greatly improved, the flexible deformation of the lower anvil roll 11 is greatly reduced, the flexible deformation direction of the lower anvil roll 11 is changed, the flexible deformation direction of the lower anvil roll 11 is the same as that of the upper knife roll, and the flexible deformation of the lower anvil roll 11 and the flexible deformation of the upper knife roll are mutually counteracted.
According to some embodiments of the present application, optionally, the upper knife roll mechanism 3 includes an upper roll body, an upper knife roll bearing seat assembly is disposed on the outer side of the upper roll body, the upper knife roll bearing seat assembly includes an upper bearing seat and an upper bearing, the upper bearing seat is sleeved on a bearing position of a mandrel of the upper knife roll and is located on the outer side of the upper knife roll body, the upper bearing seat is sleeved on the upper bearing, two sides of the upper bearing seat are in clearance fit with the slideway, and the clearance is usually 0-0.03 mm, so that the upper bearing seat is ensured to freely slide in the slideway, and the parallelism of the upper knife roll and the slideway is ensured. In some embodiments, the upper blade bearing housing assembly further includes upper bearing caps secured to both sides of the upper bearing housing by screws for limiting axial movement of the upper bearing.
According to some embodiments of the present application, optionally, as shown in fig. 4 and 5, the wide rotary cutting apparatus 100 further includes a first adjusting assembly 5, the first adjusting assembly 5 includes an elastic member 51 and a fixing pin 52, the fixing pin 52 is installed on the lower seat plate 23, the elastic member 51 is sleeved on the fixing pin 52, and the first adjusting assembly 5 is used for reducing the weight of the upper cutter roller.
In order to avoid the edge collapse or edge rolling of the upper cutter roll due to the dead weight of the upper cutter roll. The first adjusting assembly 5 is arranged, the first adjusting assembly 5 comprises an elastic piece 51 and a fixing pin 52, the elastic piece 51 is sleeved on the fixing pin 52, the fixing pin 52 is arranged on the lower seat plate 23, and the lower seat plate 23 is a connecting piece between the first adjusting assembly 5 and the bottom plate 22. The elastic member 51 has elasticity, and can be elastically contracted when receiving pressure and can restore an original shape when receiving pressure, and the elastic member 51 can be made of metal elastic materials such as a metal spring, or nonmetal elastic materials such as rubber and silica gel. Alternatively, the elastic member 51 may be a spring.
The gravity of the upper knife roller is counteracted by the elastic force of the elastic piece 51, and the problem that the upper cutting edge is damaged in the installation and use process is effectively avoided.
Optionally, as shown in fig. 6, the wide rotary cutting apparatus 100 further includes a second adjusting assembly 6, where the second adjusting assembly 6 includes a wedge 61, an adjusting screw 62, and a fixing base 63, the wedge 61 is sleeved on the adjusting screw 62, the fixing base 63 is sleeved on one end of the adjusting screw 62, and the fixing base 63 is mounted on the side plate 24; the adjusting screw 62 is used for adjusting the position of the wedge 61 so as to adjust the center distance between the upper knife roll and the lower knife roll. The second adjusting component 6 is used for adjusting the center distance between the upper cutter roller and the lower anvil roller 11 and accurately fixing the position of the upper cutter roller, so that the center distance between the upper cutter roller and the lower anvil roller 11 is prevented from being changed due to stress, vibration and the like in the high-speed die cutting process.
According to some embodiments of the present application, optionally, as shown in fig. 6, the second adjusting assembly 6 further includes a tightening screw 64 and a locking nut 65, a radial screw hole communicated to the adjusting screw 62 is formed on a side wall of the fixing base 63, the tightening screw 64 is locked into the radial screw hole and tightens the adjusting screw 62, the locking nut 65 is sleeved at one end of the adjusting screw 62 away from the fixing base 63, and the locking nut 65 is used for being abutted against and fixed with the connecting side plate 24.
Because the adjusting screw 62 and the fixing seat 63 axially have a gap, in the process of rotary die cutting or in the process of adjusting the distance between the upper cutter roller die and the lower cutter roller die, the adjusting screw 62 easily generates axial movement to drive the inclined block to axially move, so that the distance between the upper cutter roller die and the lower cutter roller die is changed, the adjusting precision is low, and the normal die cutting of the cutter roller die can be influenced. Thus, the second adjustment assembly 6 also includes a set screw 64 and a lock nut 65.
Through setting up tight screw 64 in the fixing base 63, make tight screw 64 in top and adjusting screw 62 support to lean on fixedly, in order to prevent adjusting screw 62 at rotatory cross cutting in-process rotation, make the sloping block produce axial displacement, through setting up lock nut 65 in the one end that adjusting screw 62 kept away from fixing base 63, taut adjusting screw 62 and fixing base 63, eliminate the axial clearance between adjusting screw 62 tip and the fixing base 63, and then accomplish effectively preventing adjusting screw 62 axial float, prevent the interval between upper and lower knife roller and change, improve the regulation precision of interval adjustment subassembly, guarantee the normal work of rotatory cross cutting device.
Referring to fig. 2 and 3, the present embodiment further relates to a lower anvil roller mechanism 1 for a wide rotary cutting apparatus 100, including a lower anvil roller 11, a protection step 14, a bearing seat assembly 13, and a supporting seat 12; the lower anvil roll 11 is arranged on the die carrier 2 of the wide rotary cutting device 100; the protection steps 14 are sleeved at two ends of the lower anvil roll 11; bearing seat assemblies 13 are sleeved at two ends of the lower anvil roll 11, and the bearing seat assemblies 13 are arranged at the inner sides of the protection steps 14; the supporting seat 12 is connected with the die frame 2 of the wide rotary cutting device 100, the supporting seat 12 is connected with the bearing seat assembly 13, and the supporting seat 12 is used for supporting the lower anvil roll 11.
The roller surface of the lower anvil roller 11 is provided with a cutting edge, two sides of the roller surface are generally provided with protection steps 14, the diameter of the outer circle of the protection steps 14 is consistent with that of the outer circle of the lower anvil roller 11, and the protection steps 14 are used for protecting the cutting edge.
Bearing block assemblies 13 are mounted on both ends of the lower anvil roll 11, and the bearing block assemblies 13 are positioned inside the protection steps 14 and are disposed close to the roll surface. The lower anvil roll 11 can be supported by the support base 12 as a stress point.
According to the technical scheme, the bearing seat assembly 13 is moved inwards of the protection step 14, so that the stress point of the lower anvil roll 11 is moved inwards, the span of the stress point is reduced, the rigidity is greatly improved, the flexible deformation of the lower anvil roll 11 is greatly reduced, the flexible deformation direction of the lower anvil roll 11 is changed, the flexible deformation direction of the lower anvil roll 11 is the same as that of the upper knife roll, and the flexible deformation of the lower anvil roll 11 and the flexible deformation of the upper knife roll are mutually counteracted.
Optionally, as shown in fig. 3, according to some embodiments of the present application, the bearing housing assembly 13 includes a bearing 131 and a bearing sleeve 132, the bearing 131 being mounted on the mandrel of the lower anvil roll 11, the bearing sleeve 132 being sleeved on the bearing 131, the bearing sleeve 132 being mounted on the support base 12.
Optionally, as shown in fig. 3, according to some embodiments of the present application, the bearing housing assembly 13 further includes bearing caps 133, and the bearing caps 133 are mounted on both sides of the bearing housing 132, and the bearing caps 133 serve to limit axial movement of the bearing 131. Alternatively, the bearing caps 133 may be fixed to both sides of the bearing housing 132 by screws.
Optionally, as shown in fig. 3, according to some embodiments of the present application, the lower anvil roll mechanism 1 for the wide rotary cutting apparatus 100 further includes a transition sleeve 134, wherein the transition sleeve 134 is mounted above the bearing sleeve 132, and wherein the diameter of the transition sleeve 134 is consistent with the outer diameter of the lower anvil roll 11. Alternatively, the transition sleeve 134 may be semi-circular in cross-section and mounted over the bearing sleeve 132, i.e., the end of the bearing sleeve 132 adjacent the upper knife roll. In some embodiments, the transition sleeve 134 is mounted over the bearing sleeve 132 by a first screw 135, facilitating subsequent disassembly, replacement, repair, and the like.
The lower anvil roll 11 is not only rotated relative to the upper knife roll under a certain working pressure to cut out a product (composite product forming), but also plays a role of supporting a flexible material (e.g., nonwoven fabric, which is generally wide in material width). The provision of the transition sleeve 134 having the same diameter as the outer diameter of the lower anvil roll 11 serves to support the flexible material as the unitary lower anvil roll 11, or the lower anvil roll 11 tends to sag and cause the material to sag.
Compared with the prior art, the technical scheme is characterized in that the bearing seat assembly 13 is moved to the inner side of the protection step 14, so that the stress point of the lower anvil roll 11 is moved, the span of the stress point is reduced, the rigidity is greatly improved, the flexible deformation amount of the lower anvil roll 11 is greatly reduced, the flexible deformation direction of the lower anvil roll 11 is changed, the flexible deformation direction of the lower anvil roll 11 is the same as that of the upper knife roll, and the flexible deformation of the lower anvil roll 11 and the flexible deformation of the upper knife roll are mutually counteracted.
Finally, it should be noted that, although the foregoing embodiments have been described in the text and the accompanying drawings of the present application, the scope of the patent protection of the present application is not limited thereby. All technical schemes generated by replacing or modifying equivalent structures or equivalent flows based on the essential idea of the application and by utilizing the contents recorded in the text and the drawings of the application, and the technical schemes of the embodiments are directly or indirectly implemented in other related technical fields, and the like, are included in the patent protection scope of the application.

Claims (9)

1. A lower anvil roll mechanism, comprising:
the lower anvil roll is arranged on a die carrier of the wide rotary cutting device;
the protection steps are sleeved at two ends of the lower anvil roll;
the bearing seat assemblies are sleeved at two ends of the lower anvil roll and are arranged at the inner side of the protection step;
the supporting seat is connected with the die carrier of the wide rotary cutting device, is connected with the bearing seat assembly and is used for supporting the lower anvil roll.
2. The lower anvil roll mechanism according to claim 1, wherein the bearing block assembly comprises a bearing mounted on a spindle of the lower anvil roll and a bearing sleeve mounted on the bearing, the bearing sleeve being mounted on the support block.
3. The lower anvil roll mechanism according to claim 2, wherein the bearing housing assembly further comprises bearing caps mounted on both sides of the bearing housing, the bearing caps being adapted to limit axial movement of the bearing.
4. The lower anvil roll mechanism according to claim 2, further comprising a transition sleeve mounted over the bearing sleeve, the transition sleeve having a diameter that is consistent with the diameter of the outer circumference of the lower anvil roll.
5. The lower anvil roll mechanism according to claim 4, wherein the transition sleeve is mounted above the bearing sleeve by a first screw.
6. A wide rotary cutting apparatus, comprising:
the die carrier comprises a top plate, a bottom plate, a lower seat plate and side plates arranged between the bottom plate and the top plate;
the lower anvil roll mechanism according to any one of claims 1 to 5, mounted on the die carrier;
the upper knife roll mechanism is arranged on the die frame and is positioned above the lower anvil roll mechanism;
and the pressurizing mechanism is arranged on the top plate, the output end of the pressurizing mechanism is connected with the upper knife roller mechanism, and the pressurizing mechanism is used for cutting materials between the upper knife roller and the lower anvil roller by pressurizing the upper knife roller mechanism.
7. The wide rotary cutting apparatus of claim 6, further comprising a first adjustment assembly comprising an elastic member and a fixing pin, the fixing pin being mounted on the lower base plate, the elastic member being sleeved on the fixing pin, the first adjustment assembly being configured to slow down the weight of the upper cutter roll.
8. The wide rotary cutting device according to claim 6, further comprising a second adjusting assembly, wherein the second adjusting assembly comprises a wedge, an adjusting screw and a fixing base, the wedge is sleeved on the adjusting screw, the fixing base is sleeved on one end of the adjusting screw, and the fixing base is mounted on the side plate;
and the adjusting screw is used for adjusting the position of the wedge block so as to adjust the center distance between the upper knife roll and the lower anvil roll.
9. The wide rotary cutting apparatus according to claim 8, wherein the second adjusting assembly further comprises a tightening screw and a locking nut, a radial screw hole communicated to the adjusting screw is formed in a side wall of the fixing base, the tightening screw is locked into the radial screw hole and tightens the adjusting screw, the locking nut is sleeved at one end of the adjusting screw away from the fixing base, and the locking nut is used for being abutted against and fixed with the side plate.
CN202320158548.3U 2023-02-07 2023-02-07 Wide rotary cutting device and lower anvil roll mechanism thereof Active CN219255814U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320158548.3U CN219255814U (en) 2023-02-07 2023-02-07 Wide rotary cutting device and lower anvil roll mechanism thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320158548.3U CN219255814U (en) 2023-02-07 2023-02-07 Wide rotary cutting device and lower anvil roll mechanism thereof

Publications (1)

Publication Number Publication Date
CN219255814U true CN219255814U (en) 2023-06-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320158548.3U Active CN219255814U (en) 2023-02-07 2023-02-07 Wide rotary cutting device and lower anvil roll mechanism thereof

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CN (1) CN219255814U (en)

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