CN219256077U

CN219256077U - Cutting assembly and wire cutting machine

Info

Publication number: CN219256077U
Application number: CN202223510610.5U
Authority: CN
Inventors: 王海超; 仇健; 邹英魁
Original assignee: Qingdao Gaoce Technology Co Ltd
Current assignee: Qingdao Gaoce Technology Co Ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-06-27
Anticipated expiration: 2032-12-28

Abstract

The embodiment of the application provides a cutting assembly and wire cutting machine, and the cutting assembly includes: the cutting mechanism is provided with a mounting frame and a cutting wheel set which is arranged on the mounting frame and used for winding a cutting line. The electric feeding wheel assembly is arranged on the mounting frame and comprises a conductive wheel shaft and an electric feeding disc, the electric feeding disc is rotatably connected to the wheel shaft, the electric feeding disc is electrically connected with the wheel shaft, and the electric feeding disc is contacted with the cutting line so as to rotate around the wheel shaft under the drive of the cutting line. The wheel axle of wire cutting machine that provides in this embodiment conveniently connects the electricity, and the wheel axle is for advancing the electricity dish power supply, and the power is passed to through the wheel axle and is advanced on the electricity dish, advances the electricity dish and provides direction support and electric power for the cutting line, changes the conductive mode from sliding friction contact into rolling contact, advances electric dish and cutting line synchronous motion, does not have relative motion between the two, reduces the wearing and tearing of cutting line and advancing the electric wheel subassembly, reduces card line, broken string risk, has prolonged the cutting line and advances the life of electric wheel subassembly, reduces use cost.

Description

Cutting assembly and wire cutting machine

Technical Field

The application relates to the technical field of wire cutting, in particular to a cutting assembly provided with a power feeding wheel assembly and a wire cutting machine.

Background

The wire cutting machine uses a cutting wire with high-speed reciprocating motion to generate relative motion with a high-hardness brittle material to be cut, such as a photovoltaic silicon rod, so as to realize the cutting of the material to be cut. In order to realize better cutting quality and cutting efficiency, the technology of cutting line composite electric spark cutting is generated.

At present, part of electric spark cutting conductive devices mainly supply power for cutting lines through power supply rods (also called power supply electrodes), the power supply rods usually adopt graphite rods or steel rods with high hardness, the cutting lines and the power supply rods are in sliding friction power supply, the power supply rods and the cutting lines are worn, the power supply rods and the cutting lines need to be stopped and replaced regularly, cutting efficiency is affected, consumption of materials is high, and production cost is high.

The above information disclosed in the background section is only for enhancement of understanding of the background of the application and therefore it may contain information that does not form the prior art that is already known to a person of ordinary skill in the art.

Disclosure of Invention

The embodiment of the application provides cutting assembly and wire cutting machine, changes the conductive mode from sliding friction contact into rolling contact, advances electric tray and cutting line synchronous motion, does not have relative motion between the two, reduces the wearing and tearing of cutting line and advancing electric wheel subassembly, reduces card line, broken string risk, improves the cutting line and advances the life of electric wheel subassembly, reduction in use cost.

A first aspect of the present application provides a wire cutting machine, comprising:

the cutting mechanism is provided with a mounting frame and a cutting wheel set which is arranged on the mounting frame and used for winding a cutting line;

the electric feeding wheel assembly is arranged on the mounting frame and comprises a conductive wheel shaft and an electric feeding disc, the wheel shaft is provided with an electric connection part, the electric feeding disc is rotatably connected with the wheel shaft and is electrically connected with the wheel shaft, and the electric feeding disc is contacted with the cutting line so as to rotate around the wheel shaft under the drive of the cutting line.

Optionally, the power feeding wheel assembly further comprises a bearing, an inner ring of the bearing is sleeved on the wheel shaft, and the power feeding disc is sleeved on an outer ring of the bearing;

the wheel shaft is electrically connected with the power feeding disc through a bearing.

Optionally, the power feeding wheel assembly further comprises a sealing flange, and the power feeding disk comprises a central groove;

the power feeding disc is sleeved on the outer ring of the bearing through the central groove;

the sealing flange is sleeved on the wheel shaft, and the sealing flange part extends to the first notch of the central groove.

Optionally, an air curtain channel and an exhaust gap communicated with the air curtain channel are formed between the sealing flange and the inner wall of the central groove;

and a back blowing air passage communicated with the air curtain passage is arranged in the wheel shaft.

Optionally, the back-blowing air channel comprises a first air channel and a second air channel;

the first air passage extends along the axial direction of the wheel axle and is communicated with the air curtain channel;

the second air channel extends along the direction perpendicular to the first air channel, and is communicated with the first air channel;

the wheel axle is provided with an air inlet communicated with the second air passage.

Optionally, a sealing ring is arranged between the wheel axle and the sealing flange.

Optionally, the power feeding wheel assembly further comprises a pressing plate and a first fastener;

a supporting table is arranged on the wheel shaft;

the bearing and the sealing flange are both positioned between the supporting table and the pressing plate;

the first fastener is used for fixing the pressing plate on the wheel shaft, the pressing plate is pressed on the inner ring of the bearing, and the inner ring presses the sealing flange to enable the sealing flange to be propped against the supporting table.

Optionally, the power feeding wheel assembly includes an end cap, the end cap is connected to the power feeding disk, and the end cap covers the second notch of the central groove.

Optionally, the inner wall of the central groove is provided with a bearing limit table;

and in a state that the end cover is connected with the wheel axle, the outer ring of the bearing is clamped between the end cover and the bearing limiting table.

Optionally, a first connecting hole is formed in the power feeding disc;

a second fastener is coupled to the first coupling hole through the end cap.

Optionally, the power feeding wheel assembly further comprises a base;

the wheel axle is provided with a connecting convex part;

a third fastener is connected to the base through the connection protrusion;

the third fastener is insulated from the axle.

Optionally, the power feeding wheel assembly includes a first insulating member, a second insulating member, and a third insulating member;

the connecting convex part is provided with a through groove;

the first insulating piece is arranged in the through groove and extends along the circumferential direction of the inner wall of the through groove;

the second insulating piece and the third insulating piece are respectively positioned at two sides of the connecting convex part along the extending direction of the through groove;

the third fastening piece sequentially penetrates through the first insulating piece, the second insulating piece and the third insulating piece to be connected to the base.

Optionally, the axle has a power receiving hole, the power receiving part is detachably connected to the power receiving hole, and the power receiving part is used for fixing the wire.

Optionally, the wire cutting machine is a cutter.

A second aspect of the present application provides a wire cutting machine comprising a plurality of the cutting assemblies described above.

Optionally, the wire cutting machine is a cutter.

By adopting the technical scheme, the embodiment of the application has the following technical effects:

the utility model provides a wire cut electrical discharge machining's advance electric wheel subassembly becomes rolling contact with electrically conductive mode from sliding friction contact, advances electric tray and cutting line synchronous motion, does not have relative motion between the two, reduces the wearing and tearing of cutting line and advance electric wheel subassembly, reduces card line, broken string risk, improves the life of cutting line and advance electric wheel subassembly, reduction in use cost.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

fig. 1 is a schematic perspective view of an electric feeding wheel assembly of a wire cutting machine according to an embodiment of the present disclosure;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a cross-sectional view taken in the L-L direction of FIG. 2;

FIG. 4 is a cross-sectional view taken in the direction M-M in FIG. 2;

fig. 5 is a schematic perspective view of a wire cutting machine according to an embodiment of the present disclosure;

fig. 6 is a side view of a wire cutting machine provided in an embodiment of the present application.

Reference numerals: 100. a power feeding wheel assembly; 1. a wheel axle; 11. a back-blowing air path; 111. a first air path; 112. a second air path; 12. a support table; 13. a connection protrusion; 14. a power connection part; 2. a power feeding disc; 21. a bearing limit table; 3. a bearing; 4. a sealing flange; 5. a seal ring; 6. a pressing plate; 7. an end cap; 8. a base; a. an air curtain channel; c. a back blowing joint; d. a first fastener; e. a second fastener; f. a third fastener; g. a first insulating member; h. a second insulating member; i. a third insulating member; 200. a silicon rod; 300. a silicon rod fixing mechanism; 400. a mounting frame; 500. a tension wheel; 600. an auxiliary wheel; 700. a cutting wheel; 800. cutting lines; 900. and a feeding mechanism.

Detailed Description

In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following detailed description of exemplary embodiments of the present application is given with reference to the accompanying drawings, and it is apparent that the described embodiments are only some of the embodiments of the present application and not exhaustive of all the embodiments. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.

Referring to fig. 1-6, embodiments of the present application provide a cutting assembly including a cutting mechanism and an infeed wheel assembly 100. The cutting mechanism has a mounting frame 400 and a cutting wheel set disposed on the mounting frame 400 for winding a cutting line 800. The power feeding wheel assembly 100 comprises a conductive wheel shaft 1 and a power feeding disc 2, the wheel shaft 1 is provided with a power receiving part 14, the power feeding disc 2 is rotatably connected to the wheel shaft 1, the power feeding disc 2 is electrically connected with the wheel shaft 1, and the power feeding disc 2 is contacted with the cutting line 800 so as to rotate around the wheel shaft 1 under the driving of the cutting line 800. The highly movable cutting wire 800 is electrically connected to the feeding tray 2 to perform a cutting process on a workpiece such as a silicon rod.

The electric connection part 14 arranged on the wheel axle 1 can be connected with an external power supply through a wire, and a carbon brush is not required to be arranged between the wire and the wheel axle 1 because the wheel axle 1 is fixed in position and cannot rotate. The power feeding disc 2 is electrically connected with the wheel shaft 1, the wheel shaft 1 can supply power to the power feeding disc 2, and the cutting line 800 winds the power feeding disc 2, so that the electric connection between the cutting line 800 and a power supply is realized. When the cutting line 800 rotates, the electric feeding disc 2 can be driven to synchronously rotate, relative motion does not occur between the cutting line 800 and the electric feeding disc 2, the electric feeding disc 2 can rotate along with the cutting line 800 under extremely low resistance, abrasion of the cutting line 800 and the electric feeding wheel assembly 100 is reduced, line clamping and line breakage risks are reduced, service lives of the cutting line 800 and the electric feeding wheel assembly 100 are prolonged, and use cost is reduced.

The wire cutting machine of the present application may be a guillotine, squarer or slicer. Taking a loop wire composite cutting and truncating machine as an example. Referring to fig. 5 and 6, the loop wire composite cutting clipper includes a silicon rod fixing mechanism 300 and a plurality of mounting frames 400, and the silicon rod 200 is supported on the silicon rod fixing mechanism 300. The mounting frames 400 are sequentially spaced apart along the length direction of the silicon rod fixing mechanism 300. The cutting wheel set includes a tension wheel 500, an auxiliary wheel 600, and two cutting wheels 700 mounted on a mounting frame 400. The axle 1 may be directly or indirectly fixed to the mounting 400. The cutting wire 800 passes around the tension wheel 500, the auxiliary wheel 600, the two cutting wheels 700 and the several feeding wheel assemblies 100. The cutting mechanism further comprises a driving member (not shown) which is in driving connection with the cutting wheel to drive the corresponding cutting wheel 700 to rotate, thereby driving the cutting wire 800 to rotate. The driving member may be a motor. The wire cutting machine further comprises a feeding mechanism 900, wherein the feeding mechanism 900 is in transmission connection with the mounting frame 400, and the mounting frame 400 is driven to approach or depart from the silicon rod fixing mechanism 300 so as to cut the silicon rod 200 supported on the silicon rod fixing mechanism 300. It should be noted that one power feeding wheel assembly 100 may be disposed on the mounting frame 400, or two or more power feeding wheel assemblies 100 may be disposed on the head of the mounting frame 400, and the number of power feeding wheel assemblies 100 disposed on the mounting frame 400 is not limited in this application.

In one possible embodiment, referring to fig. 3 and 4, the electric wheel assembly 100 further includes a bearing 3, an inner ring of the bearing 3 is sleeved on the wheel shaft 1, and the electric feeding disc 2 is sleeved on an outer ring of the bearing 3. The wheel shaft 1 and the power feeding disc 2 are electrically connected through a bearing 3.

In this embodiment, set up bearing 3 between shaft 1 and the electric feeding disk 2, the rotatory resistance between shaft 1 and the electric feeding disk 2 is showing to the reduction, and electric feeding disk 2 can follow cutting line 800 rotation under extremely low resistance, reduces the wearing and tearing of cutting line 800 and electric feeding wheel subassembly 100, reduces card line, broken line risk, improves the life of cutting line 800 and electric feeding wheel subassembly 100, reduces use cost. It should be noted that two bearings may be provided between the wheel axle 1 and the power feeding disc 2, so as to improve the stability of the power feeding disc.

In one possibility, referring to fig. 3 and 4, the power feeding wheel assembly 100 further includes a sealing flange 4, the power feeding disc 2 includes a central groove, the power feeding disc 2 is sleeved on the outer ring of the bearing 3 through the central groove, the sealing flange 4 is sleeved on the wheel shaft 1, and the sealing flange 4 extends to a first notch of the central groove partially.

The power feeding wheel assembly 100 may be connected to a bracket of the wire cutting machine, the center groove may extend in a direction perpendicular to the bracket, and the first notch may be located at a side of the center groove facing the bracket. In this embodiment, through setting up sealing flange 4, and sealing flange 4 part stretches into inside the first notch to play sealed first notch (can not close completely), prevent foreign matter such as external cutting liquid from getting into electric disk 2 inside by first notch, contact bearing 3.

In one possible embodiment, as shown in fig. 4, an air curtain channel a and an exhaust gap communicated with the air curtain channel a are formed between the sealing flange 4 and the inner wall of the central groove, and a back-blowing air channel 11 communicated with the air curtain channel a is arranged in the wheel shaft 1.

In the embodiment, the air curtain channel a is approximately located at the first notch, in order to prevent the overflow of external cutting fluid from entering the bearing during the operation of the wire cutting machine, high-pressure air can be introduced into the back-blowing air channel 11, and the high-pressure air enters the air curtain channel a through the back-blowing air channel 11 and is discharged from the exhaust gap, so that the external cutting fluid is prevented from entering the bearing 3 inside the electric inlet disc 2 through the exhaust gap formed between the sealing flange 4 and the central groove.

In a possible embodiment, the blowback air passage 11 includes a first air passage 111 and a second air passage 112, the first air passage 111 extends along the axial direction of the wheel shaft 1, the first air passage 111 communicates with the air curtain passage a, for example, an end portion of the first air passage 111 may be bent to one side to communicate with the air curtain passage a. The second air path 112 extends along a direction perpendicular to the first air path 111, and the second air path 112 communicates with the first air path 111. The wheel axle 1 has an air inlet communicating with the second air path 112.

In this embodiment, the second air path 112 perpendicular to the axis of the wheel axle 1 may form an air inlet at the side of the wheel axle 1, so that high-pressure air is conveniently introduced into the first air path 111, the second air path 112 and the air curtain channel a through the air inlet. In order to facilitate connection of the air inlet through an external pipe, the power feeding wheel assembly 100 may further include a back-blowing connector c to which the air inlet is connected, and an external connection pipe may be connected to the back-blowing connector c.

In one possible embodiment, see fig. 3 and 4, a sealing ring 5 is arranged between the wheel axle 1 and the sealing flange 4.

The sealing flange 4 is in shaft hole fit with the wheel axle 1, a small gap is formed between the sealing flange 4 and the wheel axle 1, in order to prevent high-pressure gas from overflowing along the gap between the sealing flange 4 and the wheel axle 1 after passing through the blowback gas circuit 11, in the embodiment of the application, a sealing ring 5 is arranged between the wheel axle 1 and the sealing flange 4, and the sealing ring 5 is in compression configuration between the wheel axle 1 and the sealing flange 4 to play a sealing role. The design of the sealing ring 5 also prevents foreign matters such as external cutting fluid from entering the bearing 3 inside the electric feeding disc 2 along the gap between the wheel shaft 1 and the sealing flange 4.

In one possible embodiment, referring to fig. 3 and 4, the power feeding wheel assembly 100 further includes a pressing plate 6 and a first fastening member d, a supporting table 12 is disposed on the wheel shaft 1, the bearing 3 and the sealing flange 4 are located between the supporting table 12 and the pressing plate 6, the first fastening member d fixes the pressing plate 6 to the wheel shaft 1, the pressing plate 6 is pressed against an inner ring of the bearing, and the inner ring presses the sealing flange 4 so that the sealing flange 4 abuts against the supporting table 12.

In this embodiment, the inner wall of the sealing flange 4 is provided with a bearing limiting table 21, the bearing 3 is propped against the bearing limiting table 21, the first fastening piece d can be a bolt, one end of the bolt passes through the pressing plate 6 to be connected to the wheel shaft 1, and a cap body on the bolt is pressed on the pressing plate 6. Under the action of the bolts, the periphery of the pressing plate 6 is pressed on the inner ring of the bearing 3, so that the inner ring of the bearing 3 abuts against the sealing flange 4, and the sealing flange 4 abuts against the supporting table 12 of the wheel shaft 1.

In one possible embodiment, the power feeding wheel assembly 100 comprises an end cap 7, said end cap 7 being connected to said power feeding disc 2, said end cap 7 covering a second notch of said central slot, the second notch being located at the end of the central slot facing away from the first notch.

The provision of the end cap 7 closes the second notch to prevent external cutting fluid or other impurities from entering the inside of the feeding plate 2.

Specifically, the inner wall of the central groove is provided with a bearing limiting table 21, and the outer ring of the bearing 3 is clamped between the end cover 7 and the bearing limiting table 21 in a state that the end cover 7 is connected with the wheel axle 1. Namely, the outer ring of the bearing 3, the power feeding disc 2 and the end cover 7 are fixed into an integral structure. During the movement of the cutting wire 800 along the feeding disc 2, the end cover 7, the feeding disc 2 and the outer ring of the bearing 3 are driven to synchronously rotate.

Referring to fig. 3 and 4, the power feeding plate 2 is provided with a first connection hole, and a second fastening member e is connected to the first connection hole through the end cover 7. The first connecting hole may be a threaded hole formed in the metal power-in end surface, the second fastener e may be a bolt, the bolt has a screw rod and a nut, the screw rod passes through the end cover 7 to be in threaded connection with the first connecting hole, and the nut is pressed on the end cover 7.

In one possible embodiment, referring to fig. 3 and 4, the electric power feeding wheel assembly 100 further includes a base 8, the wheel axle 1 has a connection protrusion 13, and a third fastener f is connected to the base 8 through the connection protrusion 13, and the third fastener f is insulated from the wheel axle 1.

In this embodiment, set up a plurality of connecting holes on the base 8, can conveniently be connected on the mounting bracket 400 of wire cutting machine through the connecting piece, third fastener f is insulating with shaft 1 for base 8 is insulating mutually with shaft 1, and cutting line 800 is insulating mutually with wire cutting machine's equipment bulk phase promptly, has realized in electric spark machining process, and wire cutting machine can not the electric leakage, ensures equipment and personnel safety.

In one possible embodiment, referring to fig. 3 and 4, the power feeding wheel assembly 100 includes a first insulator g, a second insulator h, and a third insulator i. The connection protrusion 13 has a through groove. The first insulating piece g is arranged in the through groove, and the first insulating piece g circumferentially extends along the inner wall of the through groove. The second insulator h and the third insulator i are respectively located at both sides of the connection protrusion 13 in the extending direction of the through groove. The third fastening member f is connected to the base 8 through the first insulating member g, the second insulating member h, and the third insulating member i in sequence.

In this embodiment, the third fastening member f may be a bolt, including a threaded rod and a nut, and the threaded rod of the third fastening member f may be connected to the base 8 through the through slot, and the nut of the third fastening member f may be limited to the connection protrusion 13. The first insulating member g may be cylindrical, and may have an effect of isolating the stud of the third fastener f from the inner wall of the through groove, and the second insulating member h may be located on a surface of the connection protrusion 13 facing away from the base 8, and may have an effect of isolating the connection protrusion 13 from the nut of the third fastener f. A third insulator i may be located between the connection protrusion 13 and the base 8, isolating the connection protrusion 13 from the base 8. The embodiment of the present application can play a role in completely insulating the connection boss 13 and the third fastener f by three insulating members.

In one possible embodiment, as shown in fig. 1 and 4, the wheel axle 1 has a power receiving hole, to which the power receiving portion 14 is detachably connected, and the power receiving portion 14 is used to fix a wire.

In this embodiment, the power receiving portion 14 can be easily attached to or detached from the power receiving hole. The connection hole may have an internal thread, the wire may extend into the connection hole, the connection portion 14 may have an external thread, and the connection portion 14 may be screwed into the connection hole to fix the end of the wire to the wheel axle 1. Or, the lead wire can be directly connected to the electric connection part 14, and the electric connection part 14 can be conveniently inserted and fixed in the electric connection hole to realize power supply for the wheel axle 1.

The embodiment of the application simultaneously provides a wire cutting machine, which comprises a supporting device, a feeding mechanism and a plurality of cutting assemblies, wherein the cutting assemblies are sequentially arranged at intervals. The supporting device is used for supporting the workpiece, the cutting assembly is connected to the feeding mechanism, and the feeding mechanism is used for driving the cutting mechanism to move relative to the workpiece to be cut, so that the cutting line on the cutting mechanism cuts the workpiece to be cut.

In the description of the present application and its embodiments, it should be understood that the terms "top," "bottom," "height," and the like indicate an orientation or positional relationship based on that shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present application.

In this application and in its embodiments, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed, unless otherwise explicitly stated and defined as such; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application and in its embodiments, unless expressly stated or limited otherwise, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.

The above disclosure provides many different embodiments or examples for implementing different structures of the present application. The components and arrangements of specific examples are described above in order to simplify the disclosure of this application. Of course, they are merely examples and are not intended to limit the present application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not in themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present application provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the application of other processes and/or the use of other materials.

While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the spirit or scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims and the equivalents thereof, the present application is intended to cover such modifications and variations.

Claims

1. A cutting assembly, comprising:

2. The cutting assembly of claim 1, wherein the power feeding wheel assembly further comprises a bearing, an inner ring of the bearing is sleeved on the wheel shaft, and the power feeding disk is sleeved on an outer ring of the bearing;

3. The cutting assembly of claim 2, wherein the power feed wheel assembly further comprises a sealing flange, the power feed disk comprising a central slot;

4. A cutting assembly according to claim 3 wherein an air curtain passage and an exhaust gap communicating with the air curtain passage are formed between the sealing flange and the inner wall of the central slot;

5. The cutting assembly of claim 4, wherein the blowback gas path comprises a first gas path and a second gas path;

6. A cutting assembly according to claim 3, wherein a sealing ring is provided between the axle and the sealing flange.

7. The cutting assembly of claim 3, wherein the feed wheel assembly further comprises a platen and a first fastener;

a supporting table is arranged on the wheel shaft;

8. The cutting assembly of claim 3, wherein the power feed wheel assembly includes an end cap coupled to the power feed wheel, the end cap covering the second notch of the central slot.

9. The cutting assembly of claim 8, wherein the central slot inner wall has a bearing stop;

10. The cutting assembly of claim 9, wherein the feed plate is provided with a first attachment hole;

a second fastener is coupled to the first coupling hole through the end cap.

11. The cutting assembly of claim 1, wherein the power feed wheel assembly further comprises a base;

the wheel axle is provided with a connecting convex part;

a third fastener is connected to the base through the connection protrusion;

the third fastener is insulated from the axle.

12. The cutting assembly of claim 11, wherein the feed wheel assembly comprises a first insulator, a second insulator, and a third insulator;

the connecting convex part is provided with a through groove;

13. The cutting assembly of claim 1, wherein the axle has a power receiving aperture, the power receiving portion being removably coupled to the power receiving aperture, the power receiving portion being configured to secure a wire.

14. A wire cutting machine comprising a plurality of cutting assemblies as claimed in any one of claims 1 to 13.

15. The wire cutting machine of claim 14, wherein the wire cutting machine is a guillotine cutter.