Electric vehicle frame pipe material cutting device

Abstract

The electric vehicle frame pipe cutting device comprises a fixing assembly, the fixing assembly comprises a limiting shaft, first limiting notches, second limiting notches, first limiting tables and second limiting tables, the multiple sets of first limiting notches are formed in the limiting shaft, and the first limiting notches are distributed at equal intervals with the limiting shaft as the axis; a plurality of sets of second limiting notches are formed in the upper portions of the first limiting notches, the second limiting notches are distributed at equal intervals with the limiting shaft as the axis, a first limiting table is arranged in each first limiting notch, and a second limiting table is arranged in each second limiting notch; the first limiting table and the second limiting table are configured to move back and forth along the first limiting notch and the second limiting notch, and the first limiting table and the second limiting table are used for fixing and limiting movement of the cutting blade.

Description

TECHNICAL FIELD

[0001] The application belongs to the field of frame cutting, and particularly relates to an electric vehicle frame pipe cutting device. BACKGROUND

[0002] In the manufacturing process of electric vehicles, the assembly of the frame is completed by welding a plurality of tubular materials. Therefore, the first link of the production process is to use an automatic pipe cutting device to accurately cut the raw material pipe, so that the size meets the design specification, thereby providing a pipe fitting basis meeting the length requirement for the subsequent welding process.

[0003] During the continuous operation of the current pipe cutting device, the cutting saw blade will be passivated and worn due to long-term friction. At this time, a series of operations such as saw blade disassembly, new part assembly and device restart must be completed by manual intervention. This maintenance process involves multiple mechanical operations and parameter calibration, resulting in an increase in the proportion of periodic downtime maintenance time, which directly affects the continuous operation efficiency of the production line, and increases the labor intensity and safety risk of the operator. SUMMARY

[0004] In view of the above, in order to overcome the defects of the prior art, the application provides an electric vehicle frame pipe cutting device, which at least partially solves the above technical problems.

[0005] The technical scheme adopted by the application is as follows: an electric vehicle frame pipe cutting device, comprising a fixed blade fixing assembly, the fixed blade fixing assembly comprising a limiting shaft, a plurality of first limiting tables and a plurality of second limiting tables.

[0006] Further, the inside of the limiting shaft is provided with a plurality of first limiting notches, the first limiting notches are distributed at intervals around the circumference of the limiting shaft, and a plurality of second limiting notches are provided at intervals along the axial direction of the limiting shaft. Each of the first limiting notches is provided with a first limiting table, and each of the second limiting notches is provided with a second limiting table. The outer side of the second limiting table is provided with a first limiting table. The first limiting table and the second limiting table are configured to reciprocally move along the axial direction of the limiting shaft in the first limiting notch and the second limiting notch respectively. The first limiting table and the second limiting table are used to fix and limit the movement of the cutting blade.

[0007] Further, the fixed assembly further comprises a connecting column and a telescopic device.

[0008] Further, one end of each of the first limiting table and the second limiting table is fixedly connected with the connecting column, and the other end of the connecting column is provided with the telescopic device. The telescopic device is configured to control the extension and retraction of the connecting column.

[0009] Further, the fixed assembly further comprises a bearing, a connecting shaft and a storage bin.

[0010] Further, the limiting shaft is internally provided with a storage bin, one end of the storage bin is fixedly connected with a bearing, and the inside of the bearing is provided with a connecting shaft.

[0011] Further, the electric vehicle frame pipe cutting device further comprises a replacement assembly, a storage cylinder, a moving groove, a shifting rod and a storage ring.

[0012] Further, the replacement assembly comprises a telescopic rod, an electric cylinder, a control shaft and a data line.

[0013] Further, one side of the telescopic rod is fixedly connected with the connecting shaft, the other side of the telescopic rod is provided with the electric cylinder, the electric cylinder is configured to control the telescopic rod to stretch and retract, one end of the electric cylinder is provided with the control shaft, the control shaft and the electric cylinder are connected through the data line, and the control shaft is used to control the operation of the electric cylinder.

[0014] Further, the replacement assembly further comprises a fixed block, a vertical plate, a sliding groove, a connecting rod, a control device and a limiting strip.

[0015] Further, the outside of the electric cylinder is provided with the vertical plate, the inside of the vertical plate is provided with the sliding groove, the sliding groove is used to place the electric cylinder, both sides of the vertical plate are provided with the fixed block, the fixed block is fixedly connected to the outside of the electric cylinder, the fixed block is used to limit the shaking of the electric cylinder, the upper part of the control shaft is fixedly connected with the connecting rod, the upper part of the connecting rod is provided with the control device, the control device is used to control the up-and-down movement of the connecting rod and further control the up-and-down movement of the electric cylinder along the sliding groove, and the top of the connecting rod is provided with the limiting strip, which is used to limit the movement of the connecting rod.

[0016] Further, the replacement assembly further comprises a storage bin, a storage cylinder, a moving groove, a shifting rod and a storage ring.

[0017] Further, one side of the control device is provided with the storage bin, the storage bin is used to place the cutting piece for replacement, the upper part and the bottom of the storage bin are both provided with the moving groove, the inside of the moving groove is provided with the shifting rod, the lower part of the shifting rod is provided with the storage ring, the storage ring is movably connected to the inside of the storage bin, the storage ring is used to hold the cutting piece, the inside of the storage bin is provided with the storage cylinder, and the storage cylinder is configured to limit the movement of the cutting piece.

[0018] Further, the electric vehicle frame pipe cutting device further comprises a driving assembly, the driving assembly is arranged on the outside of the fixed assembly, and the driving assembly is used to drive the rotation of the cutting piece and thus complete the cutting.

[0019] Further, the driving assembly comprises a motor, a counterweight, a motor rod, a fixed shaft and a clamping groove.

[0020] Further, one side of the motor is provided with a counterweight, the counterweight is used for ensuring the stability of the equipment, the other side of the motor is provided with a motor rod, the front end of the motor rod is provided with a fixed shaft, the inside of the fixed shaft is provided with a clamping groove, the shape and size of the clamping groove are consistent with the first limiting table, and the clamping groove is used for fixing the first limiting table and then fixing the fixed assembly.

[0021] The beneficial effects obtained by the above structure are as follows: (1) By means of the push rod, the cutting blade stored outside the placing ring can be pushed to the first limiting table and the second limiting table, then the first limiting table and the second limiting table fix the cutting blade, then the control device controls the cutting blade to move downwards, finally the electric cylinder pushes the first limiting table into the clamping groove, and finally the automatic replacement of the cutting blade can be completed, and the production efficiency is greatly improved.

[0022] (2) The first limiting table and the second limiting table are respectively controlled to be respectively telescopic through the telescopic device, so that the cutting blade can be fixed between the first limiting table and the second limiting table, and the operation of replacing the cutting blade is facilitated, and the process is simplified. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A perspective view of an electric vehicle frame pipe cutting device according to an embodiment of the present application is provided. Figure 2 A perspective view of a fixed assembly according to an embodiment of the present application is provided. Figure 3 A sectional view of a front view of a fixed assembly according to an embodiment of the present application is provided. Figure 4 A perspective view of a replaceable assembly according to an embodiment of the present application is provided. Figure 5 A front view of a replaceable assembly according to an embodiment of the present application is provided. Figure 6 A perspective view of a driving assembly according to an embodiment of the present application is provided. Figure 7 A front view of a driving assembly according to an embodiment of the present application is provided.

[0024] Among them, 1, the fixed assembly, 2, the replaceable assembly, 3, the driving assembly; 11, the limiting shaft, 12, the bearing, 13, the connecting shaft, 14, the first limiting slot, 15, the second limiting slot, 16, the first limiting table, 17, the second limiting table, 18, the connecting column, 19, the telescopic device, 110, the placing bin; 21, telescopic rod, 22, electric cylinder, 23, fixed block, 24, control shaft, 25, data line, 26, vertical plate, 27, sliding groove, 28, connecting rod, 29, control device, 210, limiting strip, 211, horizontal plate, 212, storage bin, 213, placing cylinder, 214, moving groove, 215, lever, 216, placing ring, 217, support frame; 31, operation plate, 32, base, 33, rotating arm, 34, motor, 35, counterweight, 36, motor rod, 37, fixed shaft, 38, clamping groove, 39, handle, 310, switch.

[0025] The accompanying drawings are included to provide a further understanding of embodiments of the application, and constitute a part of this specification that is made of the description of the application, and are used to explain the application together with embodiments of the application, and do not constitute a limitation of the application. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the application.

[0027] In the description of the embodiments of the application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the application.

[0028] As shown in Figure 1 , Figure 2 and Figure 3 , the embodiment of the application provides an electric vehicle frame pipe cutting device, which comprises a fixing assembly 1, the fixing assembly 1 comprises a limiting shaft 11, a bearing 12, a connecting shaft 13, a first limiting slot 14, a second limiting slot 15, a first limiting table 16, a second limiting table 17, a connecting column 18, an extension device 19 and a placing bin 110.

[0029] In the embodiment of the present application, the inside of the limiting shaft 11 is provided with a storage bin 110, and the inside of the cutting blade is provided with a hole for convenient replacement and fixed use. The shaft diameter size of the limiting shaft 11 is consistent with the inside hole diameter of the cutting blade. The inside of the storage bin 110 is provided with a telescopic device 19, the telescopic device 19 is fixed at the bottom of the limiting shaft 11, the port of the storage bin 110 is provided with a bearing 12, and the inside of the bearing 12 is fixedly provided with a connecting shaft 13, so that the connecting shaft 13 can rotate relative to the limiting shaft 11. A plurality of first limiting notches 14 are arranged on the outer surface of the limiting shaft 11, and the first limiting notches 14 are equidistantly arranged with the axis of the limiting shaft 11 as the axis of symmetry. A second limiting notch 15 is arranged on the upper portion of the first limiting notch 14, and the second limiting notch 15 is also equidistantly arranged with the axis of the limiting shaft 11 as the axis of symmetry. A first limiting table 16 and a second limiting table 17 are respectively arranged in the inside of each first limiting notch 14 and second limiting notch 15. The first limiting table 16 and the second limiting table 17 are fixedly connected with a connecting column 18 on one side. A telescopic device 19 is arranged on the other end of the connecting column 18. The telescopic device 19 can control the telescopic movement of the connecting column 18. The telescopic movement of the connecting column 18 can drive the telescopic movement of the first limiting table 16 and the second limiting table 17. The first limiting table 16 and the second limiting table 17 have a gap therebetween. The cutting blade to be replaced is placed in the gap between the first limiting table 16 and the second limiting table 17.

[0030] As shown in Figure 1 , Figure 4 and Figure 5 , the embodiment of the present application provides an electric vehicle frame pipe cutting device, which comprises a replacement assembly 2 arranged on the outside of a fixed assembly 1, and the replacement assembly 2 is configured to automatically replace the cutting blade of a cutting machine.

[0031] The replacement assembly 2 comprises a telescopic rod 21, an electric cylinder 22, a fixed block 23, a control shaft 24, a data line 25, a vertical plate 26, a sliding groove 27, a connecting rod 28, a control device 29, a limiting strip 210, a horizontal plate 211, a storage bin 212, a storage cylinder 213, a moving groove 214, a shifting rod 215, a storage ring 216 and a support frame 217.

[0032] In the embodiment of the present application, one end of the connecting shaft 13 is fixedly connected with the telescopic rod 21. An electric cylinder 22 is arranged at one end of the telescopic rod 21. The bottom of the electric cylinder 22 is provided with a control shaft 24. The control shaft 24 is connected with the electric cylinder 22 through a data line 25. The control shaft 24 can control the running process of the electric cylinder 22. The electric cylinder 22 can drive the telescopic rod 21 to telescopically move back and forth. Since the telescopic rod 21 is fixedly connected with the connecting shaft 13, the telescopic rod 21 can drive the fixed assembly 1 to telescopically move forward and backward.

[0033] The vertical plate 26 is arranged outside the fixed block 23, and the sliding groove 27 is arranged inside the vertical plate 26, the electric cylinder 22 is arranged inside the sliding groove 27, the fixed blocks 23 are arranged on both sides of the vertical plate 26, and the fixed blocks 23 are fixedly connected to the outside of the electric cylinder 22, so that the shaking of the electric cylinder 22 is limited, the connecting rod 28 is fixedly connected to the upper portion of the control shaft 24, the control device 29 is arranged outside the connecting rod 28, the connecting rod 28 penetrates through the inside of the control device 29, the limiting strip 210 is arranged on the top of the connecting rod 28, the limiting strip 210 can limit the movement of the connecting rod 28, the control device 29 can control the up-down movement of the connecting rod 28, and then the connecting rod 28 can drive the electric cylinder 22 fixedly connected to the lower portion of the connecting rod 28 to move up and down, finally the electric cylinder 22 can move up and down along the sliding groove 27, and then the electric cylinder 22 can drive the up-down movement of the fixed assembly 1, and finally the fixed assembly 1 can move up and down and front and back.

[0034] The storage bin 212 is arranged outside the control device 29, the storage bin 212 and the control device 29 are connected through the horizontal plate 211, the moving grooves 214 are arranged on the upper portion and the bottom of the storage bin 212, the push rod 215 is arranged inside the moving groove 214, the placing ring 216 is arranged on the lower portion of the push rod 215, the placing ring 216 is arranged inside the storage bin 212, the push rod 215 is fixedly connected to the placing ring 216, the placing ring 216 can be driven to move back and forth along the moving groove 214 by pulling the push rod 215, the placing cylinder 213 is arranged in the middle of the inside of the storage bin 212, the storage bin 212 is used for placing the cutting blade to be replaced, the center of the cutting blade is provided with a circular hole, the placing cylinder 213 can penetrate through the inside of the cutting blade, and finally the cutting blade is placed on the right side of the placing ring 216, when the push rod 215 is pushed, the placing ring 216 can be driven to move and finally the cutting blade can be driven to move, the support frame 217 is fixedly connected to one side of the storage bin 212, the other side of the support frame 217 is fixedly connected to the operation plate 31, and the support frame 217 is used for supporting the storage bin 212.

[0035] When the placing cylinder 213 is sleeved with the cutting blade to be replaced, at this time, the control device 29 controls the control shaft 24 to move upwards, the connecting rod 28 stops moving when the fixed assembly 1 fixed to one side of the telescopic rod 21 is moved to the same plane as the placing cylinder 213, then the electric cylinder 22 controls the telescopic rod 21 to move outward, the fixed assembly 1 is moved to the position abutting against the placing cylinder 213, then the operator can push the cutting blade to the first limiting table 16 and the second limiting table 17 through the push rod 215, first, the telescopic device 19 controls the first limiting table 16 to shrink inward, the second limiting table 17 is pushed outward, when the push rod 215 pushes the cutting blade to the first limiting table 16 and the second limiting table 17, the telescopic device 19 controls the first limiting table 16 to also be pushed outward, and finally the cutting blade to be replaced is fixed between the first limiting table 16 and the second limiting table 17.

[0036] As Figure 1 , Figure 6 and Figure 7 shown, the embodiment of the application proposes an electric vehicle frame pipe cutting device, comprising a driving assembly 3, the driving assembly 3 is arranged on the outside of the fixed assembly 1, the driving assembly 3 is used for driving the rotation of the cutting piece and then completing the cutting.

[0037] The driving assembly 3 comprises an operating plate 31, a base 32, a rotating arm 33, a motor 34, a counterweight 35, a motor rod 36, a fixed shaft 37, a clamping groove 38, a handle 39 and a switch 310.

[0038] In the embodiment of the application, the upper part of the operating plate 31 is provided with the base 32, the upper part of the base 32 is provided with the rotating arm 33, the rotating arm 33 is connected with the base 32 through a shaft, the upper part of the rotating arm 33 is fixedly connected with the motor 34, one end of the motor 34 is provided with the counterweight 35, the other end of the motor 34 is provided with the motor rod 36, the front end of the motor rod 36 is fixedly connected with the fixed shaft 37, the inner diameter size of the fixed shaft 37 is consistent with the outer diameter size of the limiting shaft 11, the inside of the fixed shaft 37 is provided with the clamping groove 38, and the size of the clamping groove 38 is consistent with the first limiting table 16, the clamping groove 38 is used for placing the first limiting table 16, the upper part of the motor 34 is provided with the handle 39, the lower part of the handle 39 is provided with the switch 310, and the switch 310 is used for controlling the operation of the motor 34.

[0039] When the cutting piece needs to be replaced, the operator places the cutting piece on the right side of the placing ring 216, then controls the device 29 to drive the fixed assembly 1 to move upwards, then the operator drives the cutting piece to be fixed between the first limiting table 16 and the second limiting table 17 by means of the driving rod 215, then the fixed assembly 1 returns to the initial position, at this time, the fixed assembly 1 is arranged in front of the fixed shaft 37, then the electric cylinder 22 drives the fixed assembly 1 to move towards the inside of the fixed shaft 37, when the first limiting table 16 moves to the position of the fixed shaft 37, the telescopic device 19 controls the first limiting table 16 to shrink inward, when the first limiting table 16 moves to the position of the clamping groove 38, the telescopic device 19 controls the first limiting table 16 to push out, at this time, the first limiting table 16 is just clamped into the inside of the clamping groove 38, and the fixing of the cutting piece is completed, when the motor 34 drives the fixed shaft 37 to rotate, the fixed assembly 1 will be driven to rotate, and then the fixed assembly 1 will drive the cutting piece to rotate, since the fixed assembly 1 and the telescopic rod 21 are connected through the bearing 12, the replacement assembly 2 does not affect the cutting process.

[0040] Through the replacement of the cutting piece by the replacement assembly 2, the replacement of the cutting piece can be automatically completed, the operation steps of the construction personnel are reduced, the equipment utilization rate is greatly improved, and the production efficiency is improved.

[0041] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other present or future technologies can provide. Specifically, it is contemplated that such technologies will provide for variations on this description, and the scope of the present application is to be afforded broad interpretation so as to encompass such variations. Stated another way, the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other present or future technologies can provide. Specifically, it is contemplated that such technologies will provide for variations on this description, and the scope of the present application is to be afforded broad interpretation so as to encompass such variations. Stated another way, the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other present or future technologies can provide. Specifically, it is contemplated that such technologies will provide for variations on this description, and the scope of the present application is to be afforded broad interpretation so as to encompass such variations. Further, the terms "comprise", "comprises" or "comprising" or any variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0042] While the embodiments of the application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application.

[0043] The above description of the application and its embodiments is not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the application, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired by it, without departing from the creative purpose of the embodiments of the application, without creative design, similar structure and embodiments of the technical solution can be designed, which should belong to the protection scope of the application.

Claims

1. An electric vehicle frame pipe cutting device, characterized in that: a fixed assembly (1) comprising a fixed blade, the fixed assembly (1) comprising a limiting shaft (11), a plurality of first limiting tables (16) and a plurality of second limiting tables (17); wherein the inside of the limiting shaft (11) is provided with a plurality of first limiting notches (14), the first limiting notches (14) are spaced apart around the circumference of the limiting shaft (11), and a plurality of second limiting notches (15) are provided along the axial direction of the limiting shaft (11) and spaced apart from the first limiting notches (14), each first limiting notch (14) is provided with a first limiting table (16), and each second limiting notch (15) is provided with a second limiting table (17), the outer side of the second limiting table (17) is provided with a first limiting table (16), and the first limiting table (16) and the second limiting table (17) are configured to reciprocate along the axial direction of the limiting shaft (11) in the first limiting notch (14) and the second limiting notch (15) respectively, and the first limiting table (16) and the second limiting table (17) are used to fix and limit the movement of the cutting blade.

2. The electric vehicle frame pipe cutting device according to claim 1, characterized in that: the fixed assembly (1) further comprises a connecting column (18) and a telescopic device (19); wherein one end of each of the first limiting table (16) and the second limiting table (17) is fixedly connected with the connecting column (18), the other end of the connecting column (18) is provided with the telescopic device (19), and the telescopic device (19) is configured to control the telescoping of the connecting column (18).

3. The electric vehicle frame pipe cutting device according to claim 2, characterized in that: the fixed assembly (1) further comprises a bearing (12), a connecting shaft (13) and a storage bin (110); wherein the inside of the limiting shaft (11) is provided with the storage bin (110), one end of the storage bin (110) is fixedly connected with the bearing (12), and the inside of the bearing (12) is provided with the connecting shaft (13).

4. The electric vehicle frame pipe cutting device according to claim 3, characterized in that: it comprises a replacement assembly (2), which is arranged outside the fixed assembly (1), and the replacement assembly (2) is configured to automatically replace the cutting blade of the cutting machine.

5. The electric vehicle frame pipe cutting device according to claim 4, characterized in that: the replacement assembly (2) comprises a telescopic rod (21), an electric cylinder (22), a control shaft (24) and a data line (25); wherein one side of the telescopic rod (21) is fixedly connected with the connecting shaft (13), the other side of the telescopic rod (21) is provided with the electric cylinder (22), the electric cylinder (22) is configured to control the telescoping of the telescopic rod (21), one end of the electric cylinder (22) is provided with the control shaft (24), the control shaft (24) and the electric cylinder (22) are connected through the data line (25), and the control shaft (24) is used to control the operation of the electric cylinder (22).

6. The electric vehicle frame pipe cutting device according to claim 5, characterized in that: ​ ​ ​ ​ ​ ​ ​ ​ ​ The replacement assembly (2) further comprises a fixed block (23), a vertical plate (26), a sliding groove (27), a connecting rod (28), a control device (29) and a limiting strip (210); Wherein, the outside of the electric cylinder (22) is provided with a vertical plate (26), the inside of the vertical plate (26) is provided with a sliding groove (27), the sliding groove (27) is used for placing the electric cylinder (22), both sides of the vertical plate (26) are provided with a fixed block (23), the fixed block (23) is fixedly connected to the outside of the electric cylinder (22), the fixed block (23) is used for limiting the shaking of the electric cylinder (22), the upper part of the control shaft (24) is fixedly connected with a connecting rod (28), the upper part of the connecting rod (28) is provided with a control device (29), the control device (29) is used for controlling the up-down movement of the connecting rod (28) and further controlling the up-down movement of the electric cylinder (22) along the sliding groove (27), the top of the connecting rod (28) is provided with a limiting strip (210), and the limiting strip (210) is used for limiting the movement of the connecting rod (28).

7. The electric vehicle frame pipe cutting device according to claim 6, wherein: The replacement assembly (2) further comprises a storage bin (212), a placing cylinder (213), a moving groove (214), a shifting rod (215) and a placing ring (216); Wherein, one side of the control device (29) is provided with a storage bin (212), the storage bin (212) is used for placing cutting blades for replacement, the upper part and the bottom of the storage bin (212) are provided with a moving groove (214), the inside of the moving groove (214) is provided with a shifting rod (215), the lower part of the shifting rod (215) is provided with a placing ring (216), the placing ring (216) is movably connected to the inside of the storage bin (212), the placing ring (216) is used for containing cutting blades, and the inside of the storage bin (212) is provided with a placing cylinder (213), the placing cylinder (213) is configured to limit the movement of the cutting blades.

8. The electric vehicle frame pipe cutting device according to claim 7, wherein: A driving assembly (3) is arranged on the outside of the fixed assembly (1), and the driving assembly (3) is used for driving the rotation of the cutting blade and further completing the cutting.

9. The electric vehicle frame pipe cutting device according to claim 8, wherein: The driving assembly (3) comprises a motor (34), a counterweight (35), a motor rod (36), a fixed shaft (37) and a clamping groove (38); Wherein, one side of the motor (34) is provided with a counterweight (35), the counterweight (35) is used for ensuring the stability of the equipment, the other side of the motor (34) is provided with a motor rod (36), the front end of the motor rod (36) is provided with a fixed shaft (37), the inside of the fixed shaft (37) is provided with a clamping groove (38), the shape and size of the clamping groove (38) are consistent with those of the first limiting table (16), and the clamping groove (38) is used for fixing the first limiting table (16) and further reinforcing the fixed assembly (1).

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