CN112679082B

CN112679082B - Cutting device

Info

Publication number: CN112679082B
Application number: CN202011412742.7A
Authority: CN
Inventors: 郭德平
Original assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd
Current assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2022-10-04
Anticipated expiration: 2040-12-04
Also published as: CN112679082A

Abstract

The embodiment of the application provides a cutting device, which comprises an upper wheel cutter, a lower wheel cutter, a cutting table and a supporting structure; the cutting table is provided with an accommodating groove with an upward opening, the accommodating groove is used for accommodating cutting raw materials, the cutting table comprises a first cutting table and a second cutting table, the two cutting tables are arranged in parallel relatively, a first end of the cutting raw materials is arranged in the accommodating groove of the first cutting table, and a second end of the cutting raw materials is arranged in the accommodating groove of the second cutting table; the upper flywheel knife is positioned above the cutting raw materials between the two cutting tables, the lower flywheel knife is positioned below the cutting raw materials between the two cutting tables, and the upper flywheel knife and the lower flywheel knife are arranged oppositely; the supporting structure is positioned below the cutting raw materials between the two cutting tables, is connected with the lower flywheel knife and is used for supporting the cutting raw materials placed between the two cutting tables. The cutting device of this application embodiment supports the cutting raw materials between two cutting platforms through setting up a bearing structure, reduces the cutting raw materials and produces crooked degree because of the relation of weight, has improved the cutting quality.

Description

Cutting device

Technical Field

The application relates to the technical field of machining, in particular to a cutting device.

Background

Machining refers to a process of changing the physical dimensions or properties of a workpiece by a mechanical device. In the production process, all the processes of changing the shape, size, position, property, etc. of the production object into a finished product or a semi-finished product are called as a process.

Cutting belongs to a step of machining, when glass is cut in the liquid crystal display industry at present, most cutting modes adopt a wheel cutter to perform vertical cutting, an upper wheel cutter and a lower wheel cutter are used for simultaneously cutting, at the moment, if the glass is bent due to the weight relationship, the mode of cutting force is changed, and therefore certain quality problems occur and scrapping is caused.

Therefore, the existing cutting device has certain defects.

Disclosure of Invention

The embodiment of the application provides a cutting device, through setting up a bearing structure, reduces the cutting raw materials and produces the problem that transverse crack and appearance quality are unusual when leading to the cutting because of the relation of weight produces the bending, optimizes the cutting parameter, improves the cutting quality.

The embodiment of the application provides a cutting device, which comprises an upper wheel knife, a lower wheel knife, a cutting table and a supporting structure;

the cutting table is provided with an accommodating groove which is opened upwards and used for accommodating cutting raw materials, the cutting table comprises a first cutting table and a second cutting table which are arranged in parallel relatively, a first end of the cutting raw materials is arranged in the accommodating groove of the first cutting table, and a second end of the cutting raw materials is arranged in the accommodating groove of the second cutting table;

the upper wheel knife is positioned above the cutting raw materials between the first cutting table and the second cutting table, the lower wheel knife is positioned below the cutting raw materials between the first cutting table and the second cutting table, and the upper wheel knife and the lower wheel knife are arranged oppositely;

the supporting structure is located below cutting raw materials between the first cutting table and the second cutting table, the horizontal plane that the top of supporting structure is located with the groove face of holding tank is in same horizontal plane, supporting structure is used for supporting the cutting raw materials of placing between the holding tank of first cutting table and the holding tank of second cutting table, supporting structure with the lower flywheel sword is connected.

In the cutting device of this embodiment, the support structure includes a support arm, a support wheel, and a wheel axle, and the support arm includes a first support arm and a second support arm;

the support wheels are in contact with the cut stock between the first and second cutting tables for supporting the cut stock;

the wheel shaft penetrates through the supporting wheel and is used for supporting the supporting wheel, the first end of the wheel shaft is connected with the first supporting arm, and the second end of the wheel shaft is connected with the second supporting arm.

In the cutting device according to this embodiment, a horizontal distance between the support wheel and the first cutting table is equal to a horizontal distance between the lower wheel knife and the second cutting table.

In the cutting device according to this embodiment, the first end of the wheel shaft is vertically welded to the second end of the first support arm, and the second end of the wheel shaft is vertically welded to the second end of the second support arm.

In the cutting device of this embodiment, the lower wheel knife includes a horizontal telescopic device, and the support structure can move left and right along with the horizontal telescopic device.

In the cutting device of this embodiment, first support arm and the relative parallel arrangement of second support arm, the first end of first support arm and the first end of second support arm with horizontal telescoping device is connected fixedly.

In the cutting device of this embodiment, the connection fixing manner is a detachable connection.

In the cutting device according to this embodiment, a horizontal plane in which the top end of the support wheel is located is higher than a horizontal plane in which the end point of the second end of the first support arm and the end point of the second end of the second support arm are located, and the horizontal plane in which the top end of the support wheel is located is at the same horizontal plane as the groove surface of the receiving groove.

In the cutting device of this embodiment, the upper wheel cutter includes an upper wheel cutter cutting head and an upper wheel cutter cutting handle, the lower wheel cutter includes a lower wheel cutter cutting head and a lower wheel cutter cutting handle, and the horizontal telescopic device is arranged in the lower wheel cutter cutting handle.

In the cutting apparatus according to the present embodiment,

the supporting structure is located below the cutting raw materials between the first cutting table and the second cutting table and connected with the lower flywheel knife cutting knife handle.

The cutting device provided by the embodiment of the application comprises an upper wheel cutter, a lower wheel cutter, a cutting table and a supporting structure; the cutting table is provided with an accommodating groove with an upward opening, the accommodating groove is used for accommodating cutting raw materials, the cutting table comprises a first cutting table and a second cutting table, the first cutting table and the second cutting table are arranged in parallel relatively, a first end of the cutting raw materials is arranged in the accommodating groove of the first cutting table, and a second end of the cutting raw materials is arranged in the accommodating groove of the second cutting table; the upper wheel cutter is positioned above the cutting raw materials between the first cutting table and the second cutting table, the lower wheel cutter is positioned below the cutting raw materials between the first cutting table and the second cutting table, and the upper wheel cutter and the lower wheel cutter are arranged oppositely; the supporting structure is located below cutting raw materials between the first cutting table and the second cutting table, the horizontal plane where the top end of the supporting structure is located and the groove face of the containing groove are located on the same horizontal plane, the supporting structure is used for supporting the cutting raw materials placed between the containing groove of the first cutting table and the containing groove of the second cutting table, and the supporting structure is connected with the lower wheel cutter. The cutting device of this application embodiment supports the cutting raw materials of placing between the holding tank of first cutting platform and the holding tank of second cutting platform through the wheel sword sets up a bearing structure under through bearing structure, reduces the cutting raw materials and produces horizontal crackle and the unusual problem of quality appears when leading to the cutting because of the relation of weight produces crooked, has optimized the cutting parameter, has improved the cutting quality.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic front structure diagram of a cutting device provided in an embodiment of the present application.

Fig. 2 is a schematic side structure view of a cutting device according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a support structure according to an embodiment of the present application.

Fig. 4 is another schematic structural diagram of a support structure according to an embodiment of the present disclosure.

Fig. 5 is a schematic structural diagram of a support structure according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically, electrically or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

The embodiment of the application provides a cutting device. Referring to fig. 1 and 2, the cutting device 30 includes an upper wheel blade 31, a lower wheel blade 32, a cutting table 33, and a support structure 34;

wherein the cutting table 33 has an upwardly opening receiving slot 331, the receiving slot 331 is used for receiving the cutting material 40, the cutting table 33 includes a first cutting table 332 and a second cutting table 333, the first cutting table 332 and the second cutting table 333 are arranged in parallel, a first end 401 of the cutting material 40 is received in the receiving slot 3311 of the first cutting table 332, and a second end 402 of the cutting material 40 is received in the receiving slot 3312 of the second cutting table 333;

the upper wheel cutter 31 is positioned above the cut material 40 between the first cutting table 332 and the second cutting table 333, the lower wheel cutter 32 is positioned below the cut material 40 between the first cutting table 332 and the second cutting table 333, and the upper wheel cutter 31 is disposed opposite to the lower wheel cutter 32;

the support structure 34 is located below the cutting material between the first cutting table 332 and the second cutting table 333, the top end 3421 of the support structure 34 is located at the same level as the groove surface 3313 of the accommodating groove 331, the support structure 34 is used for supporting the cutting material 40 placed between the accommodating groove 3311 of the first cutting table 332 and the accommodating groove 3312 of the second cutting table 333, and the support structure 34 is connected to the lower cutter 32. This cutting device 30 supports the cutting raw material placed between the holding tank 3311 of the first cutting table 332 and the holding tank 3312 of the second cutting table 333 through the support structure 34 by setting up a support structure 34 at the lower cutter 32, reduces the problem that the cutting raw material 40 produces transverse cracks and the quality is abnormal when leading to cutting because the relation of weight produces the bending, has optimized the cutting parameter, has improved the cutting quality.

In some embodiments, the support structure 34 includes a support arm 341, a support wheel 342, and an axle 343, the support arm 341 including a first support arm 3411 and a second support arm 3412;

the support wheels 342 are in contact with the cut stock 40 between the first and second cutting tables 332, 333 for supporting the cut stock 40;

the axle 343 passes through the support wheel 342 for supporting the support wheel 342, a first end 3431 of the axle 343 is connected with the first support arm 3411, and a second end 3432 of the axle 343 is connected with the second support arm 3412.

The axle 342 is a solid shaft, and the material thereof may be high-quality carbon structural steel such as 35, 45 and 50, or quenched and tempered steel such as 35, 45, 40Cr, 45Mn2, 40MnB, 35CrMo, 30CrMnSi, etc., or alloy structural steel. Wherein the support wheel 342 is adapted to contact the second end 402 of the cut material 40 to support the cut material 40 because the support structure 34 is better able to move horizontally due to the low rolling friction of the support wheel 342.

In some embodiments, the horizontal distance between the support wheel 342 and the first cutting table 332 is equal to the horizontal distance between the lower wheel knife 32 and the second cutting table 333. Because the support wheels 342 are used to support the cut material 40 placed between the receiving

slots

3311, 3312 of the first cutting table 332 and the second cutting table 333, the best support is achieved between the first cutting table 332 and the second cutting table 333.

In some embodiments, the first end 3431 of the axle 343 is perpendicularly welded to the second end 34112 of the first support arm 3411, and the second end 3432 of the axle 343 is perpendicularly welded to the second end 34122 of the second support arm 3412. Wherein, the welding structure has high rigidity and good connection performance.

In some embodiments, the lower wheel cutter 32 includes a horizontal telescoping device 321, and the support structure 34 can move left and right with the horizontal telescoping device 321.

The horizontal telescopic device 321 is provided to adjust the contact position of the cutting material 40 between the support wheel 342 and the first and second cutting tables 332 and 333 as needed, and an optimal position for reducing the bending problem of the cutting material 40 due to the weight is sought.

In some embodiments, the first and

second support arms

3411 and 3412 are disposed in parallel, and the first end 34111 of the first support arm 3411 and the first end 34121 of the second support arm 3412 are fixedly connected to the horizontal expansion device 321. The first support arm 3411 and the second support arm 3412 have the same shape and size.

In some embodiments, the attachment is a releasable attachment. This connection is intended to prevent the support structure 34 from being easily removed when damaged, and replaced with a new support structure 34 without damaging the lower blade 32.

In some embodiments, the top end 3421 of the support wheel 342 is located at a level higher than the horizontal plane at the end 341122 of the second end 34112 of the first support arm 3411 and the end 341222 of the second end 34122 of the second support arm 3412, and the top end 3421 of the support wheel 342 is located at the same horizontal plane as the slot surface 3313 of the receiving slot 331. Because the supporting wheel 342 is in contact with the cutting material 40, not the supporting arm 341, the top end 3421 of the supporting wheel 342 is located at a level higher than the end 341122 of the second end 34112 of the first supporting arm 3411 and the end 341222 of the second end 34122 of the second supporting arm 3412, and further, in order to keep the cutting material 40 horizontal, the top end 3421 of the supporting wheel 342 is located at the same level as the groove surface 3313 of the accommodating groove 331.

In some embodiments, the upper wheel knife 31 includes an upper wheel knife cutting head 311 and an upper wheel knife cutting handle 312, the lower wheel knife 32 includes a lower wheel knife cutting head 322 and a lower wheel knife cutting handle 323, and the horizontal telescopic device 321 is disposed in the lower wheel knife cutting handle 323.

In some embodiments, the support structure 34 is positioned below the cut material 40 between the first cutting table 332 and the second cutting table 333, in connection with the lower wheel knife cutting knife handle 323. The support structure 34 is connected with the lower wheel cutter handle 323, so that the support structure 34 can move along with the lower wheel cutter 32, and the operation is convenient and fast.

In some embodiments, as shown in fig. 3, the support structure 34 includes a support arm 341, a first support wheel 342, a second support wheel 344, a third support wheel 345, and an axle 343, the support arm 341 including a first support arm 3411 and a second support arm 3412;

first, second, and

third support wheels

342, 344, and 345 are in contact with the cut stock 40 between the first and second cutting tables 332 and 333 for supporting the cut stock 40;

the axle 343 passes through the first support wheel 342, the second support wheel 344 and the third support wheel 345 for supporting the first support wheel 342, the second support wheel 344 and the third support wheel 345, the first end 3431 of the axle 343 is connected with the first support arm 3411, and the second end 3432 of the axle 343 is connected with the second support arm 3412.

The first support wheel 342 is disposed between the first support arm 3411 and the second support arm 3412, the second support wheel 344 is disposed at the third end 3433 of the wheel axle 343, and the third support wheel 345 is disposed at the fourth end 3434 of the wheel axle 343.

The first supporting wheel 342, the second supporting wheel 344 and the third supporting wheel 345 have the same shape and size, and the distance between the first supporting wheel 342 and the second supporting wheel 344 is equal to the distance between the first supporting wheel 342 and the third supporting wheel 345, and the distance can be adjusted. By providing three support wheels having the same shape and size for supporting the cut material 40 between the first cutting table 332 and the second cutting table 333, the problem of bending due to the self weight when the width of the cut material 40 is wide can be better avoided, thereby causing transverse cracks during cutting and causing quality abnormality.

In some embodiments, as shown in fig. 4, the support structure 34 includes a support arm 341, a first support wheel 342, a second support wheel 344, a third support wheel 345, a first axle 343, a second axle 346, and a third axle 347, the support arm 341 including a first support arm 3411 and a second support arm 3412;

first, second, and

third support wheels

a first wheel axle 343 passes through the first support wheel 342 for supporting the first support wheel 342, a second wheel axle 346 passes through the second support wheel 344 for supporting the second support wheel 344, a third wheel axle 347 passes through the third support wheel 345 for supporting the third support wheel 345, the first end 3431 of the first wheel axle 343, the first end 3461 of the second wheel axle 346 and the first end 3471 of the third wheel axle 347 are connected to the first support arm 3411, and the second end 3432 of the first wheel axle 343, the second end 3462 of the second wheel axle 346 and the second end 3472 of the third wheel axle 347 are connected to the second support arm 3412.

Wherein the first support wheel 342, the second support wheel 344 and the third support wheel 345 have the same shape and size, and their orthographic projection areas on the cutting table 33 coincide. By providing three support wheels having the same shape and size for supporting the cut material 40 between the first cutting table 332 and the second cutting table 333, the problem that one support wheel cannot support the cut material 40 well when the length of the cut material 40 is longer can be better avoided, and the bending of the cut material 40 due to the self weight can be reduced.

In some embodiments, as shown in fig. 5, the support structure 34 includes a support arm 341, a first support wheel 342, a second support wheel 344, a third support wheel 345, a first axle 343, a second axle 346, a first connector 348, and a second connector 349, the support arm 341 including a first support arm 3411 and a second support arm 3412;

the first, second, and

third support wheels

342, 344, and 345 are in contact with the cut material 40 between the first and second cutting tables 332 and 333 for supporting the cut material 40;

the first wheel shaft 343 passes through the first support wheel 342 and the second support wheel 344 for supporting the first support wheel 342 and the second support wheel 344, the third wheel shaft 347 passes through the third support wheel 345 for supporting the third support wheel 345, the first end 3431 of the first wheel shaft 343 is connected to the first support arm 3411, the second end 3432 of the first wheel shaft 343 is connected to the second support arm 3412, and the first wheel shaft 343 and the third wheel shaft 347 are connected by the first connector 348 and the second connector 349.

The first support wheel 342 and the second support wheel 344 are disposed between the first support arm 3411 and the second support arm 3412, the distance between the first support wheel 342 and the first support arm 3411 is equal to the distance between the second support wheel 344 and the second support arm 3412, and the distance between the third support wheel 345 and the first support wheel 342 is equal to the distance between the third support wheel 345 and the second support wheel 344.

The first support wheel 342, the second support wheel 344 and the third support wheel 345 are the same in shape and size, and the distance between the first support wheel 342 and the second support wheel 344 can be adjusted. By providing three support wheels having the same shape and size for supporting the cut material 40 between the first cutting table 332 and the second cutting table 333, the problem that one support wheel cannot support well when the width and length of the cut material 40 are wide and long can be better avoided, and the bending of the cut material 40 due to the self weight can be reduced.

In summary, the cutting device 30 provided in the embodiment of the present application includes an upper wheel knife 31, a lower wheel knife 32, a cutting table 33, and a supporting structure 34; the cutting table 33 has an upwardly open receiving slot 331, the receiving slot 331 for receiving the cut stock 40, the cutting table 33 includes a first cutting table 332 and a second cutting table 333, the first cutting table 332 and the second cutting table 333 are disposed in parallel, a first end 401 of the cut stock 40 is disposed within the receiving slot 3311 of the first cutting table 332, and a second end 402 of the cut stock 40 is disposed within the receiving slot 3312 of the second cutting table 332; the upper wheel cutter 31 is positioned above the cut material 40 between the first cutting table 332 and the second cutting table 333, the lower wheel cutter 32 is positioned below the cut material 40 between the first cutting table 332 and the second cutting table 333, and the upper wheel cutter 31 is arranged opposite to the lower wheel cutter 32; the support structure 34 is located below the cut material 40 between the first cutting table 332 and the second cutting table 333, a top end 3421 of the support structure 34 is located at the same level as the pocket surfaces 3313 of the receiving pockets 331, the support structure 34 is used to support the cut material 40 placed between the receiving pockets 3311 of the first cutting table 332 and the receiving pockets 3312 of the second cutting table 333, and the support structure 34 is connected to the lower cutter 32. The cutting device 30 of the embodiment of the present application supports the cutting material 40 placed between the holding grooves 3311 of the first cutting table 332 and the holding grooves 3312 of the second cutting table 333 by the supporting structure 34 by arranging the supporting structure 34 at the lower cutter 32, reduces the problem of abnormal quality due to the transverse crack generated when the cutting material 40 is bent due to the weight relationship, optimizes the cutting parameters, and improves the cutting quality.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The above detailed description is made on a cutting device provided in the embodiments of the present application, and specific examples are applied herein to explain the principle and the implementation of the present application, and the description of the above embodiments is only used to help understanding the technical solution and the core idea of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.

Claims

1. A cutting device is characterized by comprising an upper wheel cutter, a lower wheel cutter, a cutting table and a supporting structure;

the supporting structure is located below cutting raw materials between the first cutting table and the second cutting table, a horizontal plane where the top end of the supporting structure is located at the same horizontal plane with a groove face of the accommodating groove, the supporting structure is used for supporting cutting raw materials placed between the accommodating groove of the first cutting table and the accommodating groove of the second cutting table, the supporting structure is connected with the lower wheel cutter, the supporting structure comprises a supporting arm, a wheel shaft and a supporting wheel, the supporting arm comprises a first supporting arm and a second supporting arm, the supporting wheel is in contact with the cutting raw materials between the first cutting table and the second cutting table and is used for supporting the cutting raw materials, the wheel shaft penetrates through the supporting wheel and is used for supporting the supporting wheel, the first end of the wheel shaft is connected with the first supporting arm, the second end of the wheel shaft is connected with the second supporting arm, the horizontal distance between the supporting wheel and the first cutting table is equal to the horizontal distance between the lower wheel cutter and the second cutting table, the supporting wheel is located between the first cutting table and the second cutting table, the lower wheel cutter comprises a horizontal telescopic device, and the supporting structure can move along with the horizontal telescopic device.

2. The cutting device of claim 1, wherein a first end of the axle is welded perpendicularly to a second end of the first support arm and a second end of the axle is welded perpendicularly to a second end of the second support arm.

3. The cutting device as claimed in claim 1, wherein the first support arm and the second support arm are disposed in parallel with each other, and the first end of the first support arm and the first end of the second support arm are fixedly connected to the horizontal telescopic device.

4. A cutting device according to claim 3, wherein the fastening means is a releasable connection.

5. The cutting device of claim 2, wherein the top end of the support wheel is located at a level higher than the level at which the end points of the second ends of the first and second support arms are located, and the top end of the support wheel is located at the same level as the groove surface of the receiving groove.

6. The cutting device as claimed in claim 3, wherein the upper wheel knife comprises an upper wheel knife cutting head and an upper wheel knife cutting handle, the lower wheel knife comprises a lower wheel knife cutting head and a lower wheel knife cutting handle, and the horizontal telescopic device is arranged in the lower wheel knife cutting handle.

7. The cutting apparatus of claim 6, wherein the support structure is connected to the lower wheel knife cutting handle below the cut material between the first and second cutting stations.