Cutting machine with positioning function

Abstract

The utility model relates to the technical field of steel structure engineering construction, in particular to a cutting machine with a positioning function, which comprises a base, the left side of the base is fixedly connected with the right side of a rotating mechanism, the rotating mechanism consists of a motor mounting seat, a rotating motor and a rotating threaded rod, and the outer wall of the rotating mechanism is in threaded connection with the inner wall of a pushing mechanism. By rotating an adjusting rocker, the rotating adjusting rocker drives an adjusting threaded rod to rotate, the adjusting threaded rod rotates to drive the adjusting threaded rod to move linearly through the action of threads, the adjusting threaded rod moves linearly to drive an adjusting limiting plate to move linearly, and the adjusting limiting plate moving linearly drives a limiting block to move linearly through an adjusting limiting groove. And the limiting block linearly moves through the limiting sliding plate, the linearly moving limiting sliding plate drives the limiting column to linearly move in the pushing box through the limiting moving block, the pushing length is increased so as to be suitable for steel of different widths, and the applicability of the device is improved.

Description

Technical Field

[0001] This utility model relates to the field of steel structure engineering construction technology, specifically a cutting machine with positioning function. Background Technology

[0002] Steel structure construction is the process of building structures primarily using steel. Steel structures mainly consist of steel beams, columns, and trusses made of steel sections and plates. These components are typically connected by welds, bolts, or rivets. Due to their light weight and ease of construction, steel structures are widely used in large factories, bridges, stadiums, and high-rise buildings. Steel structures are generally structures made of steel materials and are one of the main types of building structures. The structure mainly consists of steel beams, columns, and trusses made of steel sections and plates. During construction, different types of steel need to be cut to a certain extent.

[0003] Most cutting machines on the market currently require measuring equipment to determine the length of the steel before cutting, and then marking the lines with chalk before cutting. This not only requires additional measuring equipment but also adds a measurement and marking step. Utility Model Content

[0004] The purpose of this utility model is to provide a cutting machine with a positioning function to solve the problem in the background art where the length of steel is measured using measuring equipment, and then marked with chalk before cutting, which not only requires additional measuring equipment but also adds a measurement and marking step. To achieve the above objective, this utility model provides the following technical solution: a cutting machine with a positioning function, including a base, the left side of which is fixedly connected to the right side of a rotating mechanism, the rotating mechanism consisting of a motor mounting base, a rotating motor, and a rotating threaded rod, the outer wall of the rotating mechanism being threadedly connected to the inner wall of a pushing mechanism, the pushing mechanism including a pushing threaded block, a pushing connecting plate, and a pushing box, the outer wall of the pushing mechanism being slidably connected to the inner wall of the base, and the inner wall of the pushing mechanism being slidably connected to the outer wall of the front of a limiting mechanism, the limiting mechanism consisting of a limiting post, a limiting moving block, a limiting sliding plate, and a limiting block;

[0005] The outer wall of the back of the limiting mechanism is slidably connected to the inner wall of the adjusting mechanism. The adjusting mechanism includes an adjusting limiting plate, an adjusting limiting groove, an adjusting rotating shaft, an adjusting threaded rod, an adjusting rocker arm, and an adjusting fixing plate. The bottom of the adjusting mechanism is slidably connected to the top of the left back of the base. The inner wall of the base is rotatably connected to the outer wall of the cutting mechanism.

[0006] Preferably, the base includes a base, two cutting mounting seats, a cutting groove, a pushing slide, and a dustproof plate. The top of the back of the base is fixedly connected to the bottom of the two cutting mounting seats respectively, and a cutting groove is provided at the top of the middle part of the base. A pushing slide is provided at the top of the base near the left side, and the inner wall of the top of the pushing slide is movably engaged with the outer wall of the dustproof plate. A rotating through hole is provided on the left side of the base near the top, and mounting through holes are provided on the left side of the two cutting mounting seats respectively.

[0007] Preferably, the right side of the motor mounting base is fixedly connected to the left side of the base, and the top of the motor mounting base is movably engaged with the bottom of the rotating motor. One end of the rotating motor is fixedly connected to one end of the rotating threaded rod through a coupling, and the outer wall of one end of the rotating threaded rod is rotatably connected to the inner wall of the rotating through hole.

[0008] Preferably, the left side of the push threaded block is provided with a threaded through hole, and the inner wall of the threaded through hole is threadedly connected to the outer wall of the rotating threaded rod. The top of the middle part of the push threaded block is movably engaged with the bottom of the push connecting plate, and the tops of both sides of the push connecting plate are fixedly connected to the bottom of the push box. The outer wall of the push threaded block is slidably connected to the inner wall of the push slide groove.

[0009] Preferably, the outer wall of the limiting post is slidably connected to the inner wall of the push box, and the back of the limiting post is fixedly connected to the front of the limiting moving block. The back of the middle part of the limiting moving block is fixedly connected to the front of the limiting sliding plate, and the back of the limiting sliding plate is fixedly connected to the front of the limiting block.

[0010] Preferably, the front of the adjusting limiting plate is provided with an adjusting limiting groove, and the inner wall of the adjusting limiting groove is slidably connected to the outer wall of the limiting block. The back of the middle part of the adjusting limiting plate is movably engaged with the front of the adjusting rotating shaft, and the inner wall of the adjusting rotating shaft is rotatably connected to the outer wall of one end of the adjusting threaded rod. The other end of the adjusting threaded rod is fixedly connected to one end of the adjusting rocker arm. The front of the middle part of the adjusting fixing plate is provided with an adjusting threaded hole, and the inner wall of the adjusting threaded hole is threadedly connected to the outer wall of the other end of the adjusting threaded rod. The bottom of the adjusting fixing plate is fixedly connected to the top of the back of the base, and the bottom of the adjusting limiting plate is slidably connected to the top of the base.

[0011] Preferably, the cutting mechanism comprises a cutting tilting rod, a cutting mounting plate, a cutting protective cover, a cutting handle, a cutting fixing seat, a cutting motor, a cutting rotating rod, and a cutting blade. The outer walls of both ends of the cutting tilting rod are rotatably connected to the inner walls of two mounting through holes, and the left side of the back side and the left side of the front side of the cutting mounting plate are respectively provided with connecting through holes. The inner wall of the connecting through holes on the back side is movably engaged with the outer wall of the middle part of the cutting tilting rod, and the right side of the front side of the cutting mounting plate is movably engaged with the left side of the cutting protective cover. The top of the cutting mounting plate is movably engaged with the bottom of the cutting handle, and the left side of the cutting mounting plate near the front side is fixedly connected to the right side of the cutting fixing seat. The inner wall of the cutting fixing seat is movably engaged with the inner wall of the cutting motor, and one end of the cutting motor is fixedly connected to one end of the cutting rotating rod through a coupling. The outer wall of the other end of the cutting rotating rod is movably engaged with the inner wall of the cutting blade, and the outer wall of the cutting rotating rod is rotatably connected to the inner wall of another mounting through hole.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] In this invention, rotating the adjusting rocker causes the adjusting threaded rod to rotate. The rotation of the adjusting threaded rod, through the thread action, causes the adjusting threaded rod to move linearly. The linear movement of the adjusting threaded rod causes the adjusting limiting plate to move linearly. The linearly moving adjusting limiting plate, through the adjusting limiting groove, causes the limiting block to move linearly. The linear movement of the limiting block, through the limiting sliding plate, causes the limiting sliding plate, through the limiting moving block, to cause the limiting column to move linearly inside the pushing box, extending the pushing length to accommodate steel of different widths and improving the applicability of the device.

[0014] In this invention, a rotating motor is started, and the rotating motor drives a rotating threaded rod to rotate through a coupling. The rotating threaded rod drives a pushing threaded block to move linearly through the thread action and the limiting action of the pushing slide. The linearly moving pushing threaded block drives a pushing box to move linearly through a pushing connecting plate. The linear movement of the pushing box can drive the steel to move linearly. The linear movement of the pushing box drives a limiting moving block to move linearly through a limiting post. The length to be cut can be positioned by the distance the pushing box and the limiting moving block move. Attached Figure Description

[0015] Figure 1 This is a cross-sectional view of the present invention;

[0016] Figure 2 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 3 This is an exploded view of the present invention;

[0018] Figure 4This is an exploded view of the pushing mechanism and the limiting mechanism in this utility model;

[0019] Figure 5 This is an exploded view of the adjustment mechanism in this utility model.

[0020] In the diagram: 1. Base; 101. Base; 102. Cutting mounting seat; 103. Cutting groove; 104. Pushing slide; 105. Dustproof plate; 2. Rotating mechanism; 201. Motor mounting seat; 202. Rotating motor; 203. Rotating threaded rod; 3. Pushing mechanism; 301. Pushing threaded block; 302. Pushing connecting plate; 303. Pushing box; 4. Limiting mechanism; 401. Limiting post; 402. Limiting moving block; 403. Limiting sliding plate; 404. Limiting block; 5. Adjusting mechanism; 501. Adjusting limiting plate; 502. Adjusting limiting groove; 503. Adjusting rotating shaft; 504. Adjusting threaded rod; 505. Adjusting rocker arm; 506. Adjusting fixing plate; 6. Cutting mechanism; 601. Cutting flipping rod; 602. Cutting mounting plate; 603. Cutting protective cover; 604. Cutting handle; 605. Cutting fixing seat; 606. Cutting motor; 607. Cutting rotating rod; 608. Cutting blade. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1 to 5 This utility model provides a technical solution: a cutting machine with positioning function, including a base 1, the left side of the base 1 is fixedly connected to the right side of the rotating mechanism 2, the rotating mechanism 2 is composed of a motor mounting seat 201, a rotating motor 202 and a rotating threaded rod 203, the outer wall of the rotating mechanism 2 is threadedly connected to the inner wall of the pushing mechanism 3, the pushing mechanism 3 includes a pushing threaded block 301, a pushing connecting plate 302 and a pushing box 303, the outer wall of the pushing mechanism 3 is slidably connected to the inner wall of the base 1, the inner wall of the pushing mechanism 3 is slidably connected to the outer wall of the front of the limiting mechanism 4, the limiting mechanism 4 is composed of a limiting post 401, a limiting moving block 402, a limiting sliding plate 403 and a limiting block 404;

[0023] The outer wall of the back of the limiting mechanism 4 is slidably connected to the inner wall of the adjusting mechanism 5. The adjusting mechanism 5 includes an adjusting limiting plate 501, an adjusting limiting groove 502, an adjusting rotating shaft 503, an adjusting threaded rod 504, an adjusting rocker arm 505, and an adjusting fixing plate 506. The bottom of the adjusting mechanism 5 is slidably connected to the top of the left back of the base 1, and the inner wall of the base 1 is rotatably connected to the outer wall of the cutting mechanism 6.

[0024] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the base 1 includes a base 101, two cutting mounting seats 102, a cutting groove 103, a push slide 104, and a dustproof plate 105. The top of the back of the base 101 is fixedly connected to the bottom of the two cutting mounting seats 102 respectively. The top of the middle part of the base 101 is provided with a cutting groove 103. The top of the base 101 near the left side is provided with a push slide 104. The inner wall of the top of the push slide 104 is movably engaged with the outer wall of the dustproof plate 105. The left side of the base 101 near the top is provided with a rotating through hole. The left side of the two cutting mounting seats 102 is provided with mounting through holes respectively. The dustproof plate 105 can prevent cutting spatter from entering the transmission components.

[0025] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the right side of the motor mounting base 201 is fixedly connected to the left side of the base 101, and the top of the motor mounting base 201 is movably engaged with the bottom of the rotating motor 202. One end of the rotating motor 202 is fixedly connected to one end of the rotating threaded rod 203 through a coupling, and the outer wall of one end of the rotating threaded rod 203 is rotatably connected to the inner wall of the rotating through hole. When the rotating motor 202 is started, the rotating motor 202 drives the rotating threaded rod 203 to rotate through the coupling.

[0026] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, a threaded through hole is provided on the left side of the push threaded block 301, and the inner wall of the threaded through hole is threadedly connected to the outer wall of the rotating threaded rod 203. The top of the middle part of the push threaded block 301 is movably engaged with the bottom of the push connecting plate 302, and the tops of both sides of the push connecting plate 302 are fixedly connected to the bottom of the push box 303. The outer wall of the push threaded block 301 is slidably connected to the inner wall of the push slide groove 104. The rotating threaded rod 203 drives the push threaded block 301 to move linearly through the thread action and the limiting action of the push slide groove 104. The linearly moving push threaded block 301 drives the push box 303 to move linearly through the push connecting plate 302. The linear movement of the push box 303 can drive the steel to move linearly. The distance that the push box 303 moves makes it easy to position the length to be cut.

[0027] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the outer wall of the limiting post 401 is slidably connected to the inner wall of the push box 303, and the back of the limiting post 401 is fixedly connected to the front of the limiting moving block 402. The back of the middle part of the limiting moving block 402 is fixedly connected to the front of the limiting sliding plate 403, and the back of the limiting sliding plate 403 is fixedly connected to the front of the limiting block 404.

[0028] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the front of the adjusting limit plate 501 is provided with an adjusting limit groove 502, and the inner wall of the adjusting limit groove 502 is slidably connected to the outer wall of the limiting block 404. The back of the middle part of the adjusting limit plate 501 is movably engaged with the front of the adjusting shaft 503, and the inner wall of the adjusting shaft 503 is rotatably connected to the outer wall of one end of the adjusting threaded rod 504. The other end of the adjusting threaded rod 504 is fixedly connected to one end of the adjusting rocker arm 505. The front of the middle part of the adjusting fixing plate 506 is provided with an adjusting threaded hole, and the inner wall of the adjusting threaded hole is threadedly connected to the outer wall of the other end of the adjusting threaded rod 504. The bottom of the adjusting fixing plate 506 is fixedly connected to the top of the back of the base 101. The bottom of the adjusting limit plate 501 is fixedly connected to the base 101. The top of 1 is slidably connected. Rotating the adjusting rocker 505 causes the adjusting threaded rod 504 to rotate. The rotation of the adjusting threaded rod 504 causes it to move linearly through the thread action. The linear movement of the adjusting threaded rod 504 causes the adjusting limit plate 501 to move linearly. The linear movement of the adjusting limit plate 501 causes the limit block 404 to move linearly through the adjusting limit groove 502. The linear movement of the limit block 404 causes the limit sliding plate 403 to move linearly. The linear movement of the limit sliding plate 403 causes the limit column 401 to move linearly inside the push box 303 through the limit moving block 402, extending the pushing length to accommodate steel of different widths and improve the applicability of the device.

[0029] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the cutting mechanism 6 consists of a cutting tilting rod 601, a cutting mounting plate 602, a cutting protective cover 603, a cutting handle 604, a cutting fixing seat 605, a cutting motor 606, a cutting rotating rod 607, and a cutting blade 608. The outer walls at both ends of the cutting tilting rod 601 are rotatably connected to the inner walls of two mounting through holes, and the left side of the back and the left side of the front of the cutting mounting plate 602 are respectively provided with connecting through holes. The inner wall of the connecting through hole on the back is movably engaged with the outer wall of the middle part of the cutting tilting rod 601. The right side of the front of the cutting mounting plate 602 is movably engaged with the left side of the cutting protective cover 603. The top of the cutting mounting plate 602 is movably engaged with the bottom of the cutting handle 604. The left side of the cutting mounting plate 602 near the front is fixedly connected to the right side of the cutting fixing seat 605. The inner wall of the cutting fixing seat 605 is connected to the cutting motor 606. The inner wall of the machine 606 is movably engaged, and one end of the cutting motor 606 is fixedly connected to one end of the cutting rod 607 via a coupling. The outer wall of the other end of the cutting rod 607 is movably engaged with the inner wall of the cutting blade 608, and the outer wall of the cutting rod 607 is rotatably connected to the inner wall of another mounting through hole. When the cutting motor 606 is started, the rotating cutting motor 606 drives the cutting rod 607 to rotate via the coupling. The rotation of the cutting rod 607 drives the cutting blade 608 to rotate. The cutting handle 604 is flipped, and the flipping motion of the cutting handle 604 drives the cutting mounting plate 602 to flip. The flipping motion of the cutting mounting plate 602 drives the cutting motor 606 to flip via the cutting fixing seat 605, which in turn drives the rotating cutting blade 608 to flip. The flipping motion of the cutting blade 608 can cut steel.

[0030] The usage and advantages of this utility model: The working process of this cutting machine with positioning function is as follows:

[0031] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, by starting the rotating motor 202, the rotating motor 202 drives the rotating threaded rod 203 to rotate via the coupling. The rotating threaded rod 203, through the thread action and the limiting action of the pushing slide 104, drives the pushing threaded block 301 to move linearly. The linearly moving pushing threaded block 301 drives the pushing box 303 to move linearly via the pushing connecting plate 302. The linear movement of the pushing box 303 can drive the steel to move linearly. The linear movement of the pushing box 303 drives the linear movement rod of the limiting moving block 402 via the limiting post 401. By measuring the distance the pushing box 303 and the limiting moving block 402 move, the cutting length can be positioned. The rotation adjustment rocker... The rotating adjusting rocker 505 drives the adjusting threaded rod 504 to rotate. The rotation of the adjusting threaded rod 504 causes it to move linearly through the thread action. The linear movement of the adjusting threaded rod 504 causes the adjusting limit plate 501 to move linearly. The linear movement of the adjusting limit plate 501 causes the limit block 404 to move linearly through the adjusting limit groove 502. The linear movement of the limit block 404 causes the limit sliding plate 403 to move linearly through the limit moving block 402, causing the limit post 401 to move linearly inside the push box 303, extending the pushing length to accommodate steel of different widths and improve the applicability of the device.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. Cutting machine with positioning function, comprising a base (1), characterized in that: The left side of the base (1) is fixedly connected with the right side of the rotating mechanism (2), the rotating mechanism (2) is composed of a motor mounting seat (201), a rotating motor (202) and a rotating threaded rod (203), the outer wall of the rotating mechanism (2) is threadedly connected with the inner wall of the pushing mechanism (3), the pushing mechanism (3) comprises a pushing threaded block (301), a pushing connecting plate (302) and a pushing box (303), the outer wall of the pushing mechanism (3) is slidably connected with the inner wall of the base (1), the inner wall of the pushing mechanism (3) is slidably connected with the outer wall of the front face of the limiting mechanism (4), the limiting mechanism (4) is composed of a limiting column (401), a limiting moving block (402), a limiting sliding plate (403) and a limiting block (404); The outer wall of the back face of the limiting mechanism (4) is slidably connected with the inner wall of the adjusting mechanism (5), the adjusting mechanism (5) comprises an adjusting limiting plate (501), an adjusting limiting groove (502), an adjusting rotating shaft (503), an adjusting threaded rod (504), an adjusting rocker (505) and an adjusting fixed plate (506), the bottom of the adjusting mechanism (5) is slidably connected with the top of the left back face of the base (1), and the inner wall of the base (1) is rotatably connected with the outer wall of the cutting mechanism (6).

2. The cutting machine with positioning function according to claim 1, characterized in that: The base (1) comprises a base seat (101), two cutting mounting seats (102), a cutting groove (103), a pushing sliding groove (104) and a dustproof plate (105), the top of the back face of the base seat (101) is fixedly connected with the bottoms of the two cutting mounting seats (102) respectively, the top of the middle part of the base seat (101) is provided with the cutting groove (103), the top of the left side of the base seat (101) is provided with the pushing sliding groove (104), the inner wall of the top of the pushing sliding groove (104) is movably clamped with the outer wall of the dustproof plate (105), and the left side of the top of the base seat (101) is provided with a rotating through hole, and the left sides of the two cutting mounting seats (102) are provided with mounting through holes respectively.

3. The cutting machine with positioning function according to claim 2, characterized in that: The right side of the motor mounting seat (201) is fixedly connected with the left side of the base seat (101), the top of the motor mounting seat (201) is movably clamped with the bottom of the rotating motor (202), one end of the rotating motor (202) is fixedly connected with one end of the rotating threaded rod (203) through a shaft coupling, and the outer wall of the one end of the rotating threaded rod (203) is rotatably connected with the inner wall of the rotating through hole.

4. The cutting machine with positioning function according to claim 3, characterized in that: The left side of the pushing threaded block (301) is provided with a threaded through hole, the inner wall of the threaded through hole is threadedly connected with the outer wall of the rotating threaded rod (203), the top of the middle part of the pushing threaded block (301) is movably clamped with the bottom of the pushing connecting plate (302), the tops of the two sides of the pushing connecting plate (302) are fixedly connected with the bottom of the pushing box (303), and the outer wall of the pushing threaded block (301) is slidably connected with the inner wall of the pushing sliding groove (104).

5. The cutting machine with positioning function according to claim 4, characterized in that: The outer wall of the limiting column (401) is in sliding connection with the inner wall of the pushing box (303), and the back surface of the limiting column (401) is in fixed connection with the front surface of the limiting moving block (402), the back surface of the middle part of the limiting moving block (402) is in fixed connection with the front surface of the limiting sliding plate (403), and the back surface of the limiting sliding plate (403) is in fixed connection with the front surface of the limiting block (404).

6. The cutting machine with positioning function according to claim 5, characterized in that: The front surface of the adjusting limiting plate (501) is provided with an adjusting limiting groove (502), and the inner wall of the adjusting limiting groove (502) is in sliding connection with the outer wall of the limiting block (404), the back surface of the middle part of the adjusting limiting plate (501) is in movable clamping connection with the front surface of the adjusting rotating shaft (503), and the inner wall of the adjusting rotating shaft (503) is in rotating connection with the outer wall of one end of the adjusting threaded rod (504), the other end of the adjusting threaded rod (504) is in fixed connection with one end of the adjusting rocker (505), the front surface of the middle part of the adjusting fixed plate (506) is provided with an adjusting threaded hole, the inner wall of the adjusting threaded hole is in threaded connection with the outer wall of the other end of the adjusting threaded rod (504), and the bottom of the adjusting fixed plate (506) is in fixed connection with the top of the back surface of the base (101), and the bottom of the adjusting limiting plate (501) is in sliding connection with the top of the base (101).

7. The cutting machine with positioning function according to claim 2, characterized in that: The cutting mechanism (6) is composed of a cutting overturning rod (601), a cutting mounting plate (602), a cutting protective cover (603), a cutting handle (604), a cutting fixed seat (605), a cutting motor (606), a cutting rotating rod (607) and a cutting blade (608), the outer walls of the two ends of the cutting overturning rod (601) are in rotating connection with the inner walls of the two mounting through holes respectively, the left side of the back surface of the cutting mounting plate (602) and the left side of the front surface are provided with connecting through holes respectively, the inner wall of the connecting through hole of the back surface is in movable clamping connection with the outer wall of the middle part of the cutting overturning rod (601), the right side of the front surface of the cutting mounting plate (602) is in movable clamping connection with the left side of the cutting protective cover (603), the top of the cutting mounting plate (602) is in movable clamping connection with the bottom of the cutting handle (604), the left side close to the front surface of the cutting mounting plate (602) is in fixed connection with the right side of the cutting fixed seat (605), the inner wall of the cutting fixed seat (605) is in movable clamping connection with the inner wall of the cutting motor (606), one end of the cutting motor (606) is in fixed connection with one end of the cutting rotating rod (607) through a shaft coupling, the outer wall of the other end of the cutting rotating rod (607) is in movable clamping connection with the inner wall of the cutting blade (608), and the outer wall of the cutting rotating rod (607) is in rotating connection with the inner wall of the other mounting through hole.

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