CN210737197U - Cutting knife assembly for slitting non-woven fabric - Google Patents
Cutting knife assembly for slitting non-woven fabric Download PDFInfo
- Publication number
- CN210737197U CN210737197U CN201921720502.6U CN201921720502U CN210737197U CN 210737197 U CN210737197 U CN 210737197U CN 201921720502 U CN201921720502 U CN 201921720502U CN 210737197 U CN210737197 U CN 210737197U
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- Prior art keywords
- cutting
- knife
- cutting knife
- blade
- woven fabric
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- 238000005520 cutting process Methods 0.000 title claims abstract description 91
- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 39
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- 238000007906 compression Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 13
- 239000004744 fabric Substances 0.000 abstract description 9
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- 238000010586 diagram Methods 0.000 description 2
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- 238000004519 manufacturing process Methods 0.000 description 2
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- Treatment Of Fiber Materials (AREA)
Abstract
The utility model discloses a cutting knife assembly for cutting non-woven fabric, which comprises a cutting knife, a knife holder, a positioning ring and a puller bolt, wherein one end of the knife holder is connected with the side wall of the positioning ring, the other end of the knife holder is provided with a mounting groove, the cutting knife is a rectangular blade, one long edge of the cutting knife is a cutting edge, and one short edge of the cutting knife is inserted into the mounting groove; a threaded hole communicated with the mounting groove is formed in the cutter holder, and the tightening bolt is in threaded connection with the threaded hole; one side of the knife holder far away from the cutting edge is provided with a protection component, the protection component comprises an ear plate, a support rod and a limiting spring, one side of the ear plate is connected with the knife holder, the other end of the ear plate is hinged with one end of the support rod, and the other end of the support rod is bent around a hinged axis and contacts with a knife back. The utility model discloses a rectangle blade is as cutting the cutter of non-woven cloth, when its wearing and tearing back, only needs to get rid of blade wearing and tearing position to move down its mounted position can, improved the convenience that the sword used and later maintenance's convenience cut, reduced use cost, maintenance cost.
Description
Technical Field
The utility model relates to a non-woven fabric technical field, concretely relates to non-woven fabric is cut and is used cutting knife tackle spare.
Background
Nonwoven fabrics, also known as nonwovens or nonwovens, are composed of oriented or random fibers. It is called a cloth because of its appearance and certain properties. The non-woven fabric has the characteristics of moisture resistance, air permeability, flexibility, light weight, no combustion supporting, easy decomposition, no toxicity or irritation, rich color, low price, recycling and the like. For example, the polypropylene fiber is produced by adopting polypropylene granules as raw materials through a continuous one-step method of high-temperature melting, spinning, laying a line and hot-pressing coiling.
In order to improve the production efficiency, the non-woven fabric is directly produced into a large non-woven fabric roll with the width of one meter or more. And at the later stage, according to the actually required product width, the non-woven fabric is cut into a plurality of small-width non-woven fabrics with smaller widths by a cutting device, and then the non-woven fabrics are rolled into rolls for transportation, sale and use.
Prior art CN109811537A discloses a slitting device for non-woven fabrics, which adopts a cutting knife as a circular blade. When the circular blade is worn, the radius of the circular blade is reduced, and the circular blade cannot be smoothly contacted with non-woven fabric to perform cutting operation, so that a corresponding lifting device is designed in the prior art and used for lifting the whole cutter shaft. When the circular blade is worn and the radius is reduced, the lifting device is started to lower the cutter shaft so as to enable the blade to move downwards, and therefore the blade is contacted with the non-woven fabric to smoothly cut the non-woven fabric.
Although the circular blade can be used for slitting, the related mechanism designed for eliminating blade abrasion has various parts and complex structure, and the operation and regulation are unchanged. Meanwhile, when the circular blade which can not be used any more is replaced in the later period, the cutter shaft is very troublesome, the cutter shaft is required to be integrally disassembled, and the later-period maintenance cost and the maintenance time are increased.
Disclosure of Invention
The utility model aims to provide a: the cutting knife component for cutting the non-woven fabric is provided, and the technical problems that a cutting knife adopted in the existing cutting device is inconvenient to use, high in maintenance cost, long in maintenance time and the like are solved. The utility model discloses cancelled original circular blade, changed into the rectangle blade, after its wearing and tearing, only need move down the blade can, improved the convenience that the sword used and later maintenance cut the convenience, reduced use cost, maintenance cost.
The utility model adopts the technical scheme as follows:
the cutting knife assembly for slitting the non-woven fabric comprises a cutting knife, a knife holder, a positioning ring and a puller bolt, wherein one end of the knife holder is connected with the side wall of the positioning ring, the other end of the knife holder is provided with a mounting groove, the cutting knife is a rectangular blade, one long edge of the cutting knife is a cutting edge, one short edge of the cutting knife is inserted into the mounting groove, and the knife face of the cutting knife is perpendicular to the axis of the positioning ring; the tool apron is provided with a threaded hole communicated with the mounting groove, the tightening bolt is in threaded connection with the threaded hole, and the tail end of the rod part of the tightening bolt passes through the threaded hole and then contacts with a tool face on one side of the cutting tool;
one side of keeping away from the cutting edge at the blade holder is provided with protective assembly, protective assembly includes otic placode, bracing piece and spacing spring, one side and the blade holder of otic placode are connected, and its other end is articulated with the one end of bracing piece, articulated axis perpendicular to knife face, the other end of bracing piece are crooked round articulated axis and contact with the back of a knife blade, spacing spring's both ends are connected with blade holder and bracing piece respectively, and rotate the bracing piece round articulated axis and enable spacing spring and be in compression state.
Further, the one end of contact with the back of a knife on the bracing piece is provided with the contact piece, the one end and the bracing piece of contact piece are connected, and its other end is provided with logical groove, and the back of a knife that cuts inserts logical groove to contact with logical groove tank bottom.
Further, the contact block is a brass block.
Further, an inclined surface is arranged on the other short side of the cutting knife, and the length of the cutting knife is gradually reduced from the knife edge to the knife back.
Further, the positioning device also comprises a fastening bolt, wherein the fastening bolt is in threaded connection with the side wall of the positioning ring, and the tail end of the rod part of the fastening bolt can be inserted into the central hole of the positioning ring by rotating the fastening bolt.
Further, the tool apron and the positioning ring are integrally formed.
Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:
1. the cutting knife component for cutting the non-woven fabric adopts the rectangular blade as a knife for cutting the non-woven fabric, when the cutting knife component is worn, only the worn part of the blade needs to be removed, and the installation position of the cutting knife component is moved down, so that the use convenience and the later maintenance convenience of the cutting knife are improved, and the use cost and the maintenance cost are reduced;
2. the utility model discloses non-woven cloth is cut and is used cutting knife subassembly, protection component's setting prevents to cut the sword and receive the thrust that comes from the non-woven cloth to move ahead and to the non-woven cloth condition that the direction moved appears to the non-woven cloth that moves ahead when cutting non-woven cloth to make the cutting knife remain stable cuts the position.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, for those skilled in the art, other related drawings can be obtained according to the drawings without creative efforts, and the proportional relationship of each component in the drawings in the present specification does not represent the proportional relationship in the actual material selection design, and is only a schematic diagram of the structure or the position, in which:
fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a schematic structural view of another view angle of the present invention;
FIG. 4 is a schematic view of the tool holder;
fig. 5 is a schematic view of the position of the present invention fixed on the knife shaft.
Reference numerals in the drawings indicate:
1-cutting knife, 2-knife holder, 3-positioning ring, 4-tightening bolt, 5-mounting groove, 6-lug plate, 7-supporting rod, 8-limiting spring, 9-contact block, 10-inclined plane, 11-fastening bolt and 12-knife shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
The term "connected" as used herein is intended to mean a conventional connection, such as integrally formed, welded, riveted, etc., if not specifically emphasized, and the specific connection is preferably adapted according to conventional technical knowledge in the art. All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The present invention will be described in detail with reference to fig. 1 to 5.
Example 1
The cutting knife assembly for slitting the non-woven fabric comprises a cutting knife 1, a knife holder 2, a positioning ring 3 and a puller bolt 4, wherein one end of the knife holder 2 is connected with the side wall of the positioning ring 3, the other end of the knife holder is provided with a mounting groove 5, the cutting knife 1 is a rectangular blade, one long edge of the cutting knife is a cutting edge, one short edge of the cutting knife is inserted into the mounting groove 5, and the knife face of the cutting knife 1 is perpendicular to the axis of the positioning ring 3; a threaded hole communicated with the mounting groove 5 is formed in the cutter holder 2, the puller bolt 4 is in threaded connection with the threaded hole, and the tail end of the rod part of the puller bolt passes through the threaded hole and then contacts with a cutter face on one side of the cutting knife 1;
one side of keeping away from the cutting edge at blade holder 2 is provided with the protection component, the protection component includes otic placode 6, bracing piece 7 and spacing spring 8, one side and the blade holder 2 of otic placode 6 are connected, and its other end is articulated with the one end of bracing piece 7, articulated axis perpendicular to knife face, the other end of bracing piece 7 contact with the back of a knife blade round the bending of articulated axis, spacing spring 8's both ends are connected with blade holder 2 and bracing piece 7 respectively, and round articulated axis rotation bracing piece 7 can make spacing spring 8 be in compression state.
During the use, will cut the sword subassembly and install on the arbor of non-woven cloth cutting mechanism, specifically cup joint holding ring 3 on arbor 3, holding ring 3 can be fixed with modes such as arbor 3 welding, perhaps joint or adoption bolt-up, and concrete mode is not limited. Preferably, the holder 2 and the positioning ring 3 are integrally formed.
The large roll of non-woven fabric is unreeled through the unreeling mechanism, one end of the non-woven fabric penetrates through the lower side of the cutting knife and then is cut by the cutting knife, and the cut small-width non-woven fabric is reeled through the rewinding mechanism, so that a non-woven fabric roll with a small width is obtained. As the slitting work proceeds, the cutting edge at the lowermost end of the slitting knife 1 is worn, and a new cutting edge needs to be used for the slitting work. Loosening top bolt 4 this moment to in order to cut 1 take off of sword, then will wear and tear the blade and get rid of, then will remain cut 1 of sword and install on blade holder 2, in order to cut 1 of sword and can cut the operation smoothly during the installation, cut 1 of sword and insert the degree of depth size in mounting groove 5 and reduce than preceding, in order to cut still be in the position of cutting originally of sword bottom blade.
The worn cutting edge can be removed by wire cutting, grinding or direct cutting. Meanwhile, in order to improve the utilization rate of the entire cutting blade 1, it is preferable that the puller bolt 4 is installed on the side of the holder 2 near the notch of the installation groove 5.
To sum up, the utility model discloses a rectangle blade is as the cutter of cutting the non-woven cloth, after its wearing and tearing, only needs to get rid of blade wearing and tearing position to move down its mounted position can, improved the convenience that the sword used and later maintenance's convenience cut, reduced use cost, maintenance cost. Meanwhile, the arrangement of the protection component prevents the situation that the cutting knife moves towards the advancing direction of the non-woven fabric under the action of the advancing thrust of the non-woven fabric when cutting the non-woven fabric, so that the cutting knife keeps a stable cutting position.
The limit spring 8 is selected according to the thickness and the advancing speed of the non-woven fabric, so that the limit spring has enough elasticity to prevent the cutting knife from being pushed by the non-woven fabric. The limit spring 8 is preferably an arc spring. The setting of limit spring 8 can not only make protective component carry out the outrigger to the cutting knife, and can rotate bracing piece 7 through external force in changing or maintaining, it is that it simply operates just can stepping down fast to be convenient for to the maintenance of cutting knife.
Example 2
The embodiment is further implemented and explained on the basis of embodiment 1.
As shown in fig. 1-3, in the utility model, the one end of contact block 9 is provided with the back of a knife contact on the bracing piece 7, the one end of contact block 9 is connected with bracing piece 7, and its other end is provided with logical groove, and the back of a knife that cuts sword 1 inserts logical groove to with the contact of logical groove tank bottom.
Further, the contact block 9 is a brass block.
Example 3
The present embodiment is further explained about the structure of the cutting blade 1.
As shown in fig. 2, in the present invention, an inclined plane 10 is provided on the other short side of the cutting knife 1, and the length of the cutting knife 1 is gradually reduced from the cutting edge to the back of the knife.
Example 4
This embodiment is to how the present invention is fixed on the arbor.
The utility model discloses in, still include fastening bolt 11, fastening bolt 11 and holding ring 3's lateral wall threaded connection, and rotatory fastening bolt 11 enables in its pole portion end inserts holding ring 3's centre bore. When the fastening bolt 11 is adopted, the utility model discloses there are two kinds of modes of fixing on the arbor. The first method comprises the following steps: the 3 covers of holding ring are established on the arbor, and rotatory fastening bolt 11 makes its pole portion end top tight on the lateral wall of arbor, thereby will the utility model discloses the fastening is on the arbor. And the second method comprises the following steps: set up the screens hole on the arbor, as shown in fig. 5, rotatory fastening bolt 11 makes its pole portion end insert in the screens hole to all will in axial, circumference the utility model discloses inject, so that it fastens on the arbor. In the second mode, in order to meet various production requirements, different non-woven fabric slitting widths are inconsistent, so that a clamping hole is further formed in any other position of the same circumference on the cutter shaft, when the cutting knife is not required to enter a working station, the positioning ring 3 is rotated, and the tail end of the rod part of the fastening bolt 11 is inserted into the other clamping hole, so that the cutting knife does not perform slitting operation.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can be covered within the protection scope of the present invention without the changes or substitutions conceived by the inventive work within the technical scope disclosed by the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (6)
1. Non-woven fabric is cut and is used cutting knife tackle spare, its characterized in that: the cutting tool comprises a cutting tool (1), a tool apron (2), a positioning ring (3) and a puller bolt (4), wherein one end of the tool apron (2) is connected with the side wall of the positioning ring (3), the other end of the tool apron is provided with a mounting groove (5), the cutting tool (1) is a rectangular blade, one long edge of the cutting tool is a cutting edge, one short edge of the cutting tool is inserted into the mounting groove (5), and the tool face of the cutting tool (1) is perpendicular to the axis of the positioning ring (3); a threaded hole communicated with the mounting groove (5) is formed in the cutter holder (2), the tightening bolt (4) is in threaded connection with the threaded hole, and the tail end of the rod part of the tightening bolt penetrates through the threaded hole and then is in contact with a cutter face on one side of the cutting cutter (1);
keep away from one side of cutting edge at blade holder (2) and be provided with protection component, protection component includes otic placode (6), bracing piece (7) and spacing spring (8), one side and blade holder (2) of otic placode (6) are connected, and its other end is articulated with the one end of bracing piece (7), articulated axis perpendicular to knife face, the other end of bracing piece (7) contact round the articulated axis is crooked and with the back of a knife blade, the both ends of spacing spring (8) are connected with blade holder (2) and bracing piece (7) respectively, and rotate bracing piece (7) round articulated axis and enable spacing spring (8) to be in compression state.
2. The cutting knife assembly for slitting non-woven fabric according to claim 1, characterized in that: the utility model discloses a cutting knife, including bracing piece (7) and the back of a knife blade contact, the one end that contacts on bracing piece (7) and the back of a knife blade contact is provided with contact block (9), the one end and the bracing piece (7) of contact block (9) are connected, and its other end is provided with logical groove, and the back of a knife blade that cuts sword (1) inserts logical groove to with the contact of logical groove tank bottom.
3. The cutting knife assembly for slitting non-woven fabric according to claim 2, characterized in that: the contact block (9) is a brass block.
4. The cutting knife assembly for slitting non-woven fabric according to claim 1, characterized in that: an inclined plane (10) is arranged on the other short side of the cutting knife (1), and the length of the cutting knife (1) is gradually reduced from the knife edge to the knife back.
5. A cutting knife assembly for slitting non-woven fabric according to any one of claims 1 to 4, characterized in that: the positioning device is characterized by further comprising a fastening bolt (11), wherein the fastening bolt (11) is in threaded connection with the side wall of the positioning ring (3), and the tail end of the rod part of the fastening bolt (11) can be inserted into a center hole of the positioning ring (3) by rotating the fastening bolt.
6. A cutting knife assembly for slitting non-woven fabric according to any one of claims 1 to 4, characterized in that: the cutter holder (2) and the positioning ring (3) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921720502.6U CN210737197U (en) | 2019-10-14 | 2019-10-14 | Cutting knife assembly for slitting non-woven fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921720502.6U CN210737197U (en) | 2019-10-14 | 2019-10-14 | Cutting knife assembly for slitting non-woven fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210737197U true CN210737197U (en) | 2020-06-12 |
Family
ID=70983893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921720502.6U Expired - Fee Related CN210737197U (en) | 2019-10-14 | 2019-10-14 | Cutting knife assembly for slitting non-woven fabric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210737197U (en) |
-
2019
- 2019-10-14 CN CN201921720502.6U patent/CN210737197U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200612 |