CN116372257A - cutting mechanism - Google Patents

Abstract

The invention belongs to the technical field of machining, and discloses a cutting mechanism which is configured to cut a strip-shaped part to be cut and comprises a base, a cutter assembly and an angle adjusting assembly. The cutter assembly comprises a movable cutter and a fixed cutter, the fixed cutter is fixed in position, and the movable cutter moves relative to the fixed cutter and can cut off the part to be cut; the angle adjusting component is arranged at the bottom of the cutter component, can drive the cutter component to rotate in the YZ plane, can drive the cutter component to rotate in the XY plane, and can drive the cutter component to move in the Y direction. The cutting mechanism can adjust the relative position and the relative angle between the cutting mechanism and the part to be cut, ensures the perpendicularity of the cutting surface of the part to be cut and the axial direction of the part to be cut, can adjust according to the cutting angle requirements of different parts to be cut, and has wide application range.

Description

Cutting mechanism

technical field

The invention relates to the technical field of machining, in particular to a cutting mechanism.

Background technique

In the manufacturing process of bar-shaped parts with irregular cross-sections, the bar-shaped parts are first formed and manufactured by a roll-forming mechanism, and then the whole bar-shaped parts are cut by a cutting device arranged downstream of the roll-forming mechanism to form Several parts of shorter length. The existing cutting device cannot guarantee the perpendicularity between the cut surface of the bar-shaped part and the axial direction of the bar-shaped part itself, and it is difficult to fine-tune the position between the bar-shaped part and the cutter, and it is difficult to guarantee the quality of the cut product.

Therefore, a cutting mechanism is urgently needed to solve the above problems.

Contents of the invention

The purpose of the present invention is to provide a cutting mechanism, which can adjust the relative position and relative angle between it and the parts to be cut, ensure the perpendicularity of the cut surface of the parts to be cut and the axial direction of the parts to be cut, and can It can be adjusted according to the cutting angle requirements of different parts to be cut, and has a wide range of applications.

For reaching this purpose, the present invention adopts following technical scheme:

The cutting mechanism is configured to cut off the elongated parts to be cut, including:

base;

A cutter assembly, the cutter assembly includes a moving knife and a fixed knife, the position of the fixed knife is fixed, the moving knife moves relative to the fixed knife, and can cut off the part to be cut;

An angle adjustment assembly, the angle adjustment assembly is arranged at the bottom of the cutter assembly, can drive the cutter assembly to rotate in the YZ plane, can also drive the cutter assembly to rotate in the XY plane, and can also drive the cutter assembly to rotate in the YZ plane. direction to drive the cutter assembly to move; the X direction is parallel to the moving direction of the parts to be cut, the Z direction is parallel to the height direction of the base, and the Y direction is perpendicular to the X direction and the Z direction at the same time.

As a preferred solution of the cutting mechanism provided by the present invention, the angle adjustment assembly includes a mounting base and a rotating drive part, the mounting base is arranged on the base, and the rotating driving part is arranged on the mounting base in a height-adjustable manner. One side of the seat in the Y direction is against the bottom of the cutter assembly, the cutter assembly is rotatably arranged on the mounting seat, and the rotation driving part can drive the cutter assembly relative to the installation The seat rotates in the YZ plane.

As a preferred solution of the cutting mechanism provided by the present invention, the angle adjustment assembly further includes a rotating central part, the rotating central part is arranged at the bottom of the cutter assembly along the X direction, and the mounting seat is facing the cutter A bearing seat is arranged on one side of the assembly, and the rotating central part is rotatably arranged on the bearing seat.

As a preferred solution of the cutting mechanism provided by the present invention, the angle adjustment assembly further includes a first adjustment bracket, a second adjustment bracket and a connecting plate, and the connecting plate is rotatably connected to the mounting seat in the YZ plane, so The first adjusting bracket and the second adjusting bracket are arranged at intervals along the X direction at the bottom of the cutter assembly, the connecting plate is located between the first adjusting bracket and the second adjusting bracket, and the first adjusting bracket There are gaps between the first adjusting bracket and the connecting plate and between the second adjusting bracket and the connecting plate, and the cutter assembly can move between the first adjusting bracket and the connecting plate relative to the connecting plate. Rotate in the XY plane within the range limited by the second adjustment bracket.

As a preferred solution of the cutting mechanism provided in the present invention, the angle adjustment assembly further includes a plurality of fixing pieces arranged in a rectangular array, detachably inserted between the cutting knife assembly and the connecting plate Between, the fixing member is configured to fix the relative position of the cutter assembly and the connecting plate.

As a preferred solution of the cutting mechanism provided by the present invention, the angle adjustment assembly further includes an adjustment component, the adjustment component includes an adjustment screw and a threaded connection part, the adjustment screw is rotatably arranged on the connecting plate along the Y direction, The bottom of the cutter assembly is fixedly provided with a threaded connection part, and the adjusting screw is screwed to the threaded connection part in an adjustable depth. The location of the connection plate described above.

As a preferred solution of the cutting mechanism provided by the present invention, the sides of the first adjusting bracket and the second adjusting bracket facing each other are respectively provided with grooves to form a limiting space, and the connecting plate is movably embedded in the in the limited space.

As a preferred solution of the cutting mechanism provided by the present invention, the cutter assembly further includes a cutter frame, the cutter frame is movably arranged on the angle adjustment assembly, and the fixed knife is fixedly arranged on the cutter frame On one side, the moving knife is movably arranged on the other side of the cutting knife frame.

As a preferred solution of the cutting mechanism provided by the present invention, the cutting mechanism also includes a transplanting assembly, the transplanting assembly includes a driving device, the driving end of the driving device is arranged on the base, and the driving device The output end is connected to the angle adjustment assembly, and the driving device can drive the angle adjustment assembly to move along the X direction.

As a preferred solution of the cutting mechanism provided by the present invention, the transplanting assembly further includes guide rails, the guide rails are arranged on the base parallel to the X direction, the angle adjustment assembly is arranged on the guide rails, and can move along the Slide along the length of the rail.

Beneficial effects of the present invention:

The cutting mechanism provided by the present invention is configured to cut off long parts to be cut, and includes a base, a cutter assembly and an angle adjustment assembly. The cutter assembly includes a moving knife and a fixed knife, the fixed knife is fixed in position, and the moving knife moves relative to the fixed knife to cut off the part to be cut. The angle adjustment assembly is arranged at the bottom of the cutter assembly and can drive the cutter assembly to rotate in the YZ plane. The angle adjustment assembly can also drive the cutter assembly to rotate in the XY plane. The angle adjustment assembly can also rotate in the Y Drive the cutter assembly to move in the direction. That is, the angle adjustment assembly can flexibly adjust the cutter assembly to ensure the perpendicularity between the cut surface of the part to be cut and the axis direction of the part to be cut, improve the quality of the cut product, and be able to meet the cutting angle requirements of different parts to be cut The relative angle between the cutter assembly and the parts to be cut is adjusted, and the application range is wide.

Description of drawings

Fig. 1 is a schematic diagram of the use scene of the cutting mechanism provided by the embodiment of the present invention;

Fig. 2 is a schematic structural view of the cutting mechanism provided by the embodiment of the present invention (moving knife side);

Fig. 3 is a structural schematic diagram II (fixed knife side) of the cutting mechanism provided by the embodiment of the present invention;

Fig. 4 is a partial structural schematic diagram 1 (fixed knife side) of the cutting mechanism provided by the embodiment of the present invention;

Fig. 5 is a partial structural schematic diagram II (moving knife side) of the cutting mechanism provided by the embodiment of the present invention;

Figure 6 is a partial enlarged view of the structure marked A in Figure 5;

Fig. 7 is a partial structural schematic diagram III of the cutting mechanism provided by the embodiment of the present invention;

FIG. 8 is a partially enlarged view of the structure marked B in FIG. 7 .

In the picture:

1. Roll forming mechanism;

10. Parts to be cut;

100, base; 110, supporting feet; 111, supporting plate; 112, adjusting rod; 120, connecting ear plate;

200, cutter assembly; 210, moving knife; 211, first special-shaped knife hole; 220, fixed knife; 221, second special-shaped knife hole; 230, cutter frame; 240, moving knife driving device;

300. Angle adjustment assembly; 310. Mounting seat; 311. Bearing seat; 320. Rotation drive part; 330. Rotation center part; 340. First adjustment bracket; 350. Second adjustment bracket; 360. Connecting plate; 361. Avoidance Hole; 370, fixing piece; 380, adjusting part; 381, adjusting screw rod; 382, threaded connection part; 390, slide block;

400, transplanting assembly; 410, driving device; 420, guide rail;

500, dust cover;

600, supporting plate; 610, pole.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.

In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this embodiment, the terms "up", "down", "right", "left" and other orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operations. It is not intended to indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first" and "second" are only used to distinguish in description, and have no special meaning.

FIG. 1 shows a schematic diagram of a usage scenario of a cutting mechanism provided by an embodiment of the present invention. Referring to FIG. 1 , this embodiment provides a cutting mechanism. The cutting mechanism is arranged downstream of the roll forming mechanism 1 , and is used to cut off the elongated parts 10 to be cut which are made by the roll forming mechanism 1 and have irregular cross-sections.

Fig. 2 shows the structural representation one (moving knife side) of the cutting mechanism provided by the embodiment of the present invention; Fig. 3 shows the structural representation two (fixed knife side) of the cutting mechanism provided by the embodiment of the present invention; Fig. 4 shows the present invention Partial structural schematic diagram 1 (fixed knife side) of the cutting mechanism provided by the embodiment; FIG. 5 shows partial structural schematic diagram 2 (moving knife side) of the cutting mechanism provided by the embodiment of the present invention. Referring to FIGS. 2-5 , the cutting mechanism provided in this embodiment includes a base 100 , a cutter assembly 200 , an angle adjustment assembly 300 and a transplanting assembly 400 .

Specifically, the length direction of the base 100 is defined as the X direction, the moving direction of the parts to be cut 10 is also along the X direction, the width direction of the base 100 is defined as the Y direction, and its height direction is defined as the Z direction. The base 100 is configured to carry the cutter assembly 200 , the angle adjustment assembly 300 and the transplanting assembly 400 .

More specifically, a plurality of supporting feet 110 are provided on the bottom of the base 100 . In this embodiment, there are four supporting feet 110 , and the four supporting feet 110 are arranged in a rectangular array, respectively disposed at four corners of the bottom of the base 100 , and capable of supporting the base 100 . The supporting foot 110 includes a supporting plate 111 and an adjusting rod 112 , and the supporting plate 111 is fixedly connected to one end of the adjusting rod 112 . The adjusting rod 112 is provided with an external thread, and the base 100 is provided with a connecting lug 120 corresponding to the position where the supporting leg 110 is installed. The connecting lug 120 defines a threaded hole, and the adjusting rod 112 is screwed into the threaded hole. By adjusting the threading depth of the adjusting rod 112 in the threaded hole, the height of the base 100 can be adjusted in the Z direction.

Continuing to refer to FIG. 1 , FIG. 4 and FIG. 5 , the transplanting assembly 400 includes a driving device 410 , and the driving end of the driving device 410 is disposed on the base 100 and may be a servo motor. The output end of the driving device 410 is arranged parallel to the X direction and connected to the angle adjustment assembly 300 . The driving device 410 can drive the angle adjustment assembly 300 to move in the X direction, that is, drive the cutter assembly 200 to move in the X direction, and adjust the distance between it and the roll forming mechanism 1 .

Specifically, the transplanting assembly 400 also includes a guide rail 420 . There are two guide rails 420 , the two guide rails 420 are arranged at intervals along the Y direction, and the output end of the driving device 410 is located between the two guide rails 420 . Arranged on the base 100 parallel to the X direction, the angle adjustment assembly 300 is slidably connected to the guide rail 420 through a plurality of sliders 390 , and can slide along the length direction of the guide rail 420 , as shown in FIG. 4 and FIG. 5 . There are four sliders 390 , and the four sliders 390 are arranged in a rectangular array, and are arranged on the bottom of the angle adjustment assembly 300 , and define a slide slot, and the guide rail 420 is embedded in the slide slot.

Referring to FIG. 2 and FIG. 3 , the cutter assembly 200 includes a cutter frame 230 , a moving knife 210 , a fixed knife 220 and a driving device 240 for the moving knife. The cutter frame 230 is movably arranged on the angle adjustment assembly 300, the fixed knife 220 is fixedly arranged on the side of the back plate of the cutter frame 230 facing the roll forming mechanism 1, and the movable knife 210 is movably arranged on the cutter The back plate of the knife frame 230 faces away from the side of the roll forming mechanism 1 . The moving knife driving device 240 is arranged on the top of the cutting knife frame 230, the moving knife 210 is connected to the output end of the moving knife driving device 240, and the moving knife driving device 240 can drive the moving knife 210 relative to the fixed knife 220 move. The fixed knife 220 is provided with a second special-shaped knife hole 221 , and the movable knife 210 is provided with a first special-shaped knife hole 211 . When the cutter assembly 200 is in a shutdown state, the second special-shaped knife hole 221 is facing the first special-shaped knife hole 211, and the elongated part 10 to be cut can pass through the second special-shaped knife hole 221, the cutter The back plate of the frame 230 and the first shaped knife hole 211 . At this moment, the movable knife driving device 240 is started, which drives the movable knife 210 to move relative to the fixed knife 220, and the first special-shaped knife hole 211 and the second special-shaped knife hole 221 are gradually dislocated, and the part 10 to be cut can be cut off. In this embodiment, the movable knife driving device 240 may be an oil cylinder.

Continuing to refer to FIGS. 2-5 , the angle adjustment assembly 300 is arranged at the bottom of the cutter frame 230, and can drive the cutter assembly 200 to rotate in the YZ plane, and can also drive the cutter assembly 200 to rotate in the XY plane. It can also drive the cutter assembly 200 to move in the Y direction.

Specifically, FIG. 6 shows a partial enlarged view of the structure marked A in FIG. 5 . Referring to FIGS. The mounting seat 310 is slidably arranged on the guide rail 420 through the slider 390, and the rotation driving part 320 is adjustable in height on one side of the mounting seat 310 in the Y direction, against the bottom of the cutter frame 230 On one side in the Y direction, the cutter assembly 200 is rotatably arranged on the mounting base 310, and the height of the top end of the rotation driving part 320 changes in the Z direction relative to the mounting base 310, and can drive the cutter frame 230 relative to the mounting base 310. The mount 310 rotates in the YZ plane.

More specifically, the angle adjustment assembly 300 further includes a rotation center component 330 . The rotating center part 330 is arranged on the bottom of the cutter frame 230 along the X direction, the mounting seat 310 is provided with a bearing seat 311 on one side of the cutter assembly 200, and the rotating center part 330 is rotatably arranged on the bearing seat 311. In this embodiment, the rotating central part 330 is in an L-shaped structure, and a section of the L-shaped rotating central part 330 parallel to the Z direction is fixedly connected to the bottom of the cutter frame 230, and the L-shaped rotating central part 330 is parallel to A section in the X direction is rotatably connected to the bearing seat 311 .

More specifically, referring to FIG. 6 , the rotation driving component 320 is a rod member provided with external threads, the mounting base 310 defines a screw hole, and the rotation driving component 320 is screwed into the screw hole. Through rotation, the height of the top end of the rotation driving component 320 relative to the mounting base 310 can be realized.

Fig. 7 shows the third schematic diagram of the partial structure of the cutting mechanism provided by the embodiment of the present invention. Referring to Fig. 4, Fig. 5 and Fig. 7, the angle adjustment assembly 300 also includes a first adjustment bracket 340, a second adjustment bracket 350 and a connecting plate 360 . The connecting plate 360 is rotatably connected to the mounting seat 310 in the YZ plane, the first adjusting bracket 340 and the second adjusting bracket 350 are arranged at intervals along the X direction at the bottom of the cutter frame 230, and the connecting plate 360 is located at There are gaps between the first adjusting bracket 340 and the second adjusting bracket 350 , between the first adjusting bracket 340 and the connecting plate 360 and between the second adjusting bracket 350 and the connecting plate 360 . The cutter assembly 200 can rotate in a small angle in the XY plane relative to the connecting plate 360 within the range limited by the first adjusting bracket 340 and the second adjusting bracket 350 .

Specifically, the angle adjustment assembly 300 further includes a plurality of fixing pieces 370 . In this embodiment, there are four fixing parts 370, the four fixing parts 370 are arranged in a rectangular array, and are detachably connected between the bottom plate of the cutter frame 230 and the connecting plate 360, and the fixing parts 370 are configured In order to fix the relative position of the cutter assembly 200 and the connecting plate 360 . In this embodiment, the fixing member 370 is a bolt, and the bottom plate of the cutter frame 230 is provided with four waist-shaped holes, and the connecting plate 360 is provided with connecting screw holes corresponding to the positions of the waist-shaped holes. Waist-shaped hole, and screwed in the connecting screw hole, the head of the bolt is against the upper end surface of the bottom plate of the cutter frame 230 . According to the angle of the cutter assembly 200 in the XY plane that needs to be fine-tuned, the above-mentioned bolts are disassembled, and the angle of the cutter assembly 200 in the XY plane is fine-tuned to the target angle, and then the bolts are re-fixed.

FIG. 8 shows an enlarged partial view of the structure marked B in FIG. 7 . Referring to FIG. 4 , FIG. 5 , FIG. 7 and FIG. 8 , the angle adjustment assembly 300 further includes an adjustment component 380 . The adjustment member 380 includes an adjustment screw 381 and a threaded connection portion 382, the adjustment screw 381 is rotatably arranged on the side of the connection plate 360 along the Y direction, the bottom of the cutter frame 230 is fixedly provided with the threaded connection portion 382, the adjustment The screw rod 381 is screwed to the threaded connection portion 382 with an adjustable depth, and the adjusting screw rod 381 can be rotated to adjust the position of the cutter assembly 200 relative to the connecting plate 360 in the Y direction.

Specifically, the connecting plate 360 defines an avoidance hole 361 corresponding to the position of the threaded connection portion 382 , and the avoidance hole 361 can prevent the threaded connection portion 382 from interfering with the connecting plate 360 .

More specifically, the opposite sides of the first adjusting bracket 340 and the second adjusting bracket 350 are respectively provided with grooves to form a limiting space, and the connecting plate 360 is movably embedded in the limiting space. The limiting space can provide a limiting effect for the movement of the cutter assembly 200 in the Y direction.

Continuing to refer to FIG. 2 , the cutting mechanism further includes a dust cover 500 . The dust cover 500 is disposed on the transplanting assembly 400 and arranged side by side with the angle adjustment assembly 300 along the X direction. The dust cover 500 can be compressed or stretched along the X direction. The dustproof cover 500 can be an organ cover in the prior art.

Preferably, the cutting mechanism further includes a supporting plate 600 . The supporting plate 600 is connected to the cutter frame 230, is arranged at intervals on the dust cover 500, and is configured to support the cut part of the part to be cut 10, and prevent the cut part of the part to be cut 10 from falling to the dustproof cover. on the dust cover 500, causing the problem that the dust cover 500 is damaged.

Specifically, the supporting plate 600 is connected to the bottom plate of the cutter frame 230 through two struts 610 . The two support rods 610 are fixedly connected to the bottom plate of the cutter frame 230 at intervals, and protrude toward a direction away from the cutter frame 230 .

Apparently, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, rather than limiting the implementation of the present invention. Various obvious changes, readjustments, and substitutions will occur to those skilled in the art without departing from the scope of the present invention. It is not necessary and impossible to exhaustively list all the implementation manners here. All modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the claims of the present invention.

Claims (10)

1. The cutting mechanism is configured to cut off the elongated parts to be cut (10), characterized in that it comprises: base (100); A cutter assembly (200), the cutter assembly (200) includes a moving knife (210) and a fixed knife (220), the fixed knife (220) is fixed in position, and the moving knife (210) is relative to the fixed knife The knife (220) moves to be able to cut off said part to be cut (10); An angle adjustment assembly (300), the angle adjustment assembly (300) is arranged at the bottom of the cutter assembly (200), can drive the cutter assembly (200) to rotate in the YZ plane, and can also rotate in the XY plane Drive the cutter assembly (200) to rotate, and also drive the cutter assembly (200) to move in the Y direction; the X direction is parallel to the moving direction of the parts to be cut (10), and the Z direction is parallel to the The height direction of the base (100), the Y direction, is perpendicular to the X direction and the Z direction at the same time. 2. The cutting mechanism according to claim 1, characterized in that, the angle adjustment assembly (300) comprises a mounting base (310) and a rotation driving part (320), and the mounting base (310) is arranged on the base On the seat (100), the rotating driving part (320) is arranged on one side of the mounting seat (310) in the Y direction in a height-adjustable manner, against the bottom of the cutter assembly (200), and the cutter The knife assembly (200) is rotatably arranged on the mounting base (310), and the rotation driving part (320) can drive the cutter assembly (200) to rotate in the YZ plane relative to the mounting base (310) . 3. The cutting mechanism according to claim 2, characterized in that, the angle adjustment assembly (300) further comprises a rotation center part (330), and the rotation center part (330) is arranged on the cutting knife along the X direction At the bottom of the assembly (200), the mounting seat (310) is provided with a bearing seat (311) facing the side of the cutter assembly (200), and the rotating center part (330) is rotatably arranged on the bearing seat (311). 4. The cutting mechanism according to claim 2, characterized in that, the angle adjustment assembly (300) further comprises a first adjustment bracket (340), a second adjustment bracket (350) and a connecting plate (360), the The connecting plate (360) is rotatably connected to the mounting seat (310) in the YZ plane, and the first adjusting bracket (340) and the second adjusting bracket (350) are arranged at intervals along the X direction on the cutting edge. The bottom of the knife assembly (200), the connecting plate (360) is located between the first adjusting bracket (340) and the second adjusting bracket (350), the first adjusting bracket (340) and the Between the connection plates (360) and between the second adjustment bracket (350) and the connection plate (360), there are gaps respectively, and the cutter assembly (200) can be positioned relative to the connection plate (360) Within the range limited by the first adjustment bracket (340) and the second adjustment bracket (350), it rotates in the XY plane. 5. The cutting mechanism according to claim 4, characterized in that, the angle adjustment assembly (300) further comprises a plurality of fixing parts (370), and the plurality of fixing parts (370) are arranged in a rectangular array, and are detachable Passed between the cutter assembly (200) and the connection plate (360), the fixing member (370) is configured to fix the cutter assembly (200) and the connection plate (360) relative position. 6. The cutting mechanism according to claim 4, characterized in that, the angle adjustment assembly (300) further comprises an adjustment component (380), and the adjustment component (380) comprises an adjustment screw (381) and a threaded connection part ( 382), the adjusting screw (381) is rotatably arranged on the connecting plate (360) along the Y direction, the bottom of the cutter assembly (200) is fixedly provided with a threaded connection portion (382), and the adjusting screw ( 381) is screwed to the threaded connection part (382) with an adjustable depth, and the adjusting screw (381) can be rotated to adjust the cutter assembly (200) relative to the connecting plate (360) in the Y direction. s position. 7. The cutting mechanism according to claim 4, characterized in that grooves are respectively set on the sides facing each other of the first adjusting bracket (340) and the second adjusting bracket (350) to form a limiting space , the connecting plate (360) is movably embedded in the limiting space. 8. The cutting mechanism according to claim 1, characterized in that, the cutter assembly (200) further comprises a cutter frame (230), and the cutter frame (230) is movably arranged on the angle adjustment assembly ( 300), the fixed knife (220) is fixedly arranged on one side of the cutter frame (230), and the movable knife (210) is movably arranged on the other side of the cutter frame (230). 9. The cutting mechanism according to any one of claims 1-8, characterized in that, the cutting mechanism also includes a transplanting assembly (400), and the transplanting assembly (400) includes a driving device (410), the The driving end of the driving device (410) is arranged on the base (100), the output end of the driving device (410) is connected to the angle adjustment assembly (300), and the driving device (410) can drive the The angle adjustment component (300) moves along the X direction. 10. The cutting mechanism according to claim 9, characterized in that, the transplanting assembly (400) further comprises a guide rail (420), and the guide rail (420) is arranged on the base (100) parallel to the X direction Above, the angle adjustment assembly (300) is arranged on the guide rail (420), and can slide along the length direction of the guide rail (420).

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