Adjustable bean product splitting machine

Abstract

The utility model provides an adjustable bean product dividing and cutting machine which comprises a machine frame, a belt type conveying belt laid on the top of the machine frame, a dividing and cutting assembly arranged in the area above the belt type conveying belt, a first driving motor arranged on the machine frame at the bottom of the conveying belt and a transmission assembly in driving connection with the first driving motor. The adjusting assembly comprises an adjusting wheel rotationally arranged on the rack, and further comprises a connecting rod with one end rotationally connected to the position adjacent to the axis of one side of the adjusting wheel, and a second driving motor fixed to the edge of the adjusting wheel. The output end of the second driving motor is in driving connection with the connecting rod and controls the connecting rod to conduct displacement adjustment in the radial direction of the adjusting wheel, and the other end of the connecting rod extends and is rotationally connected to one side of the bottom of the supporting frame. And the height of the slitting assembly is automatically adjusted to adapt to slitting of bean products with different thicknesses, and the efficiency and practicability of the slitting device are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of bean products production, concretely relates to an adjustable bean products slitting machine. BACKGROUND

[0002] Bean products are foods made of beans such as soybeans, small beans, green beans, peas and broad beans as main raw materials. Most of the bean products are bean curd and its reprocessed products made of soybean milk, and the production of bean products has been scaled for a long time. In the production process, the products need to be cut in advance, and the bean products are cut into different sizes according to different flavors and types to meet different needs.

[0003] In the existing bean product cutting device, a conveyor belt is generally used to convey the bean products to be cut, and a cutter is arranged above the conveyor belt to cut the bean products on the conveyor belt. However, it is found in use that the conveyor belt with the cutter receives bean products of different types conveyed from different production devices, and these different types of bean products have different sizes and heights. When the height of the cutter is adjusted, the conveyor belt needs to be stopped, and the whole process needs to be temporarily stopped, and then the cutter position is adjusted by the staff to cut the bean products of different thicknesses. However, stopping the equipment operation reduces the cutting efficiency, and most of the cutting devices are manually adjusted in cutter height, which may not be accurate enough. If the cutter is too deep, the conveyor belt surface may be damaged, and if the cutter is too shallow, the bean products cannot be completely cut.

[0004] In summary, the existing bean product cutting device needs to be stopped when adjusting the height of the cutter for cutting, which reduces the cutting efficiency of different bean products on the production line, and most of the cutting devices are manually adjusted in cutter height, which has low practicability. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies in the prior art, the utility model provides an adjustable bean product cutting machine, which solves the problem that the bean product cutting device in some prior art needs to be stopped when adjusting the cutter position, which reduces the cutting efficiency of different bean products on the production line, and most of the cutting devices are manually adjusted in cutter height, which has low practicability.

[0006] According to an embodiment of this utility model, an adjustable bean product slitting machine includes a frame, a conveyor belt laid on top of the frame, and support side plates on both sides of the top of the frame. The two sides of the conveyor belt are rotatably mounted on the inner side of the support side plates. The machine also includes a slitting assembly disposed in the area above the conveyor belt. The slitting assembly includes a rectangular frame surrounding the conveyor belt. The two sides of the rectangular frame are slidably disposed on the two support side plates perpendicular to the conveyor belt and are capable of lifting and lowering. The rectangular frame is also provided with a detachable cutter perpendicular to the conveyor belt.

[0007] The frame located at the bottom of the conveyor belt is also equipped with a first drive motor, a transmission assembly connected to it, and an adjustment assembly connected to the transmission assembly. The adjustment assembly includes an adjustment wheel rotatably mounted on the frame, a connecting rod with one end rotatably connected to a position adjacent to the axis of the adjustment wheel, and a second drive motor fixed to the edge of the adjustment wheel. The output end of the second drive motor is driven and connected to the connecting rod and controls the connecting rod to adjust its displacement along the radial direction of the adjustment wheel. The other end of the connecting rod extends and is rotatably connected to one side of the bottom of the support frame. The extension direction of the connecting rod is perpendicular to the axis of the adjustment wheel. When the adjustment wheel is driven to rotate by the transmission assembly, the connecting rod synchronously drives the rectangular frame to lift and lower.

[0008] Furthermore, a servo motor is also provided on one side of the belt conveyor, fixed to the outside of the support side plate, and the servo motor drives the belt conveyor to rotate.

[0009] Furthermore, the frame also includes a support plate and a support frame located at the bottom edge of the support plate. The belt conveyor is laid on the upper surface of the support plate, and the drive motor is fixed to the lower surface of the support plate. A cylinder with an open top and bottom is also vertically fixed on the outer side wall of the support side plate, and the two sides of the support frame are coaxially slidably arranged inside the cylinder.

[0010] Furthermore, the transmission assembly includes a transmission shaft rotatably mounted on the support frame, with its axis perpendicular to the conveying direction and one end extending outward from the frame to form a protrusion. One side surface of the adjusting wheel is coaxially fixed to the protrusion. The assembly also includes a first pulley fixed to the output end of the drive motor and a second pulley fixed to the transmission shaft. The first pulley and the second pulley are connected by a belt. The shaft body of the transmission shaft near the protrusion is rotatably connected to the support frame via a bearing.

[0011] Further, the other side surface of the adjusting wheel relative to the protruding part is also vertically provided with a pitch adjusting piece, the other side of the pitch adjusting piece relative to the middle line of the adjusting wheel is also vertically fixedly provided with a fixed piece, the pitch adjusting piece and the fixed piece are threadedly connected through a horizontally arranged pitch adjusting bolt, the end of the pitch adjusting bolt located at one side of the fixed piece is also fixedly connected to the output end of a second driving motor, the second driving motor drives the pitch adjusting bolt to rotate, one end of the connecting rod is rotatably connected to the pitch adjusting piece at a position adjacent to the end of the pitch adjusting bolt, the pitch adjusting piece can be displaced through the rotation of the pitch adjusting bolt by virtue of the thread, and the end of the connecting rod is close to or away from the axis of the adjusting wheel.

[0012] Further, the lower surface of the top of the rectangular frame is also elastically connected with a connecting block, the top of the connecting block is vertically provided with a first connecting column, the first connecting column is slidingly connected to the top of the rectangular frame at two ends, and springs are arranged around the connecting column on the connecting column, and two ends of the springs are fixedly connected to the top of the rectangular frame and the top of the connecting block, respectively.

[0013] Further, the cutter comprises a cutter holder, a cutter blade vertically fixed to the bottom of the cutter holder, and a pressing plate movably arranged on both sides of the cutter holder and surrounding the cutter blade, the connecting block is detachably connected to the top of the cutter holder near both ends through a fastening bolt, two wings are extended from both sides of the cutter holder, a cutter groove for accommodating the cutter blade is arranged on the pressing plate, a plurality of connecting rods are vertically arranged on the upper surface of the pressing plate near the cutter blade, and the connecting rods are slidingly connected to the wings of the cutter holder.

[0014] The technical principle of the utility model is as follows: the conveying side plate is arranged on the rack for supporting, then the two sides of the intermittent conveying belt conveyor are rotatably arranged on the inner side of the supporting side plate, the slitting assembly is arranged around the belt conveyor, the rectangular frame of the slitting assembly surrounds the belt conveyor and is slidingly arranged on the outer side of the supporting side plate, the rectangular frame can be lifted and lowered on the two supporting side plates, the cutter arranged on the lower surface of the top of the rectangular frame can be replaced, the cutter is lifted and lowered synchronously with the lifting and lowering of the rectangular frame, and the slitting of the material is realized.

[0015] The first driving motor is arranged on the bottom of the conveying belt, and a transmission assembly is drivingly connected with the first driving motor, and an adjusting assembly is drivingly connected with the transmission assembly, the adjusting assembly comprises an adjusting wheel rotatably arranged on the frame, and a connecting rod rotatably arranged at one end of the adjusting wheel and extending to one side of the bottom of the support frame, the extending direction of the connecting rod is perpendicular to the axis of the adjusting wheel, when the adjusting wheel is driven to rotate by the transmission assembly, the rectangular frame can be moved to the highest point, and the cutter can also be moved to the highest point, so that the cutting assembly can cut thicker materials, and the belt conveying belt can be stopped when the cutter cuts thicker bean products, so that the bean products can be prevented from colliding with the cutter when the cutter falls and rises, so that different sizes of bean products can be quickly cut without damaging the bean products, and the end of the connecting rod on the adjusting wheel is drivingly connected with a second driving motor fixed on the adjusting wheel, the second driving motor controls the end of the connecting rod to be electrically adjusted along the radial direction of the adjusting wheel, when the second driving motor adjusts the connecting rod, the whole device can run without stopping, when the second driving motor rotates along with the adjusting wheel around the axis of the adjusting wheel, the second driving motor can push the connecting rod away from or close to the adjusting wheel, at this time, the rectangular frame driven by the connecting rod can also realize the quick adjustment of the height of the cutter without affecting the lifting, falling and cutting work, so that the efficiency and practicability of the whole cutting device are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the embodiment of the utility model.

[0017] Figure 2 It is an enlarged view of A in the drawing of the utility model.

[0018] Figure 3 It is a structure schematic view of each component of the embodiment of the utility model.

[0019] Figure 4 It is a front structure schematic view of the adjusting assembly of the embodiment of the utility model.

[0020] Figure 5 It is a part structure sectional view of the embodiment of the utility model.

[0021] Figure 6 It is a top view of the embodiment of the utility model.

[0022] In the above drawings:

[0023] 1, frame; 11, support plate; 12, support side plate;

[0024] 2, transmission assembly; 21, transmission shaft; 22, first pulley; 23, second pulley;

[0025] 3, adjusting assembly; 31, adjusting wheel; 311, fixed piece; 312, distance adjusting piece; 32, distance adjusting bolt; 33, sliding groove; 331, sliding block; 34, connecting rod; 35, second driving motor

[0026] 4, slitting assembly; 41, rectangular frame; 411, first connecting column; 412, spring; 413, connecting block; 414, fastening bolt; 42, cutter holder; 43, cutter; 44, pressing plate; 441, cutter groove; 45, second connecting column;

[0027] 5, first driving motor;

[0028] 6, belt conveyor; 61, servo motor. DETAILED DESCRIPTION

[0029] The technical solutions in the utility model will be further described below with reference to the drawings and embodiments.

[0030] As Figures 1 to 6 shown in the utility model embodiment, a slitting machine for bean products is provided, which comprises a rack 1, a belt conveyor 6 arranged on the top of the rack 1, support side plates 12 arranged on the two sides of the top of the rack 1, the belt conveyor 6 being rotatably arranged on the inner sides of the support side plates 12, a slitting assembly 4 arranged in the upper region of the belt conveyor 6, the slitting assembly 4 comprising a rectangular frame 41 surrounding the conveyor belt, the rectangular frame 41 being slidably arranged on the two support side plates 12 perpendicularly to the two sides of the belt conveyor 6 and being capable of lifting and lowering displacement, and the rectangular frame 41 being provided with a detachable cutter 43 perpendicularly to the belt conveyor 6. The conveyor side plates are arranged on the rack 1 to serve as supports, the conveyor belt is rotatably arranged on the inner sides of the support side plates 12, the slitting assembly 4 is arranged around the conveyor belt, the rectangular frame 41 in the slitting assembly 4 is arranged around the conveyor belt and slidably arranged on the outer sides of the support side plates 12, so that the rectangular frame 41 can lift and lower displacement on the two support side plates 12, the cutter 43 on the lower surface of the top of the rectangular frame 41 is detachable and replaceable, the cutter 43 is lifted and lowered synchronously with the lifting and lowering of the rectangular frame 41, and the slitting of the material is realized.

[0031] As Figure 1 and Figure 2As shown, a first drive motor 5 and a transmission assembly 2 connected to it are also provided on the frame 1 located at the bottom of the conveyor belt, as well as an adjustment assembly 3 connected to the transmission assembly 2. The adjustment assembly 3 includes an adjustment wheel 31 rotatably mounted on the frame 1, and a connecting rod 34 with one end rotatably connected to a position adjacent to the axis of the adjustment wheel 31. A second drive motor 35 is also fixed to the edge of the adjustment wheel 31. The output end of the second drive motor 35 is drivenly connected to the connecting rod 34 and controls the connecting rod 34 to adjust its displacement along the radial direction of the adjustment wheel 31. The other end of the connecting rod 34 extends and is rotatably connected to one side of the bottom of the support frame. The extension direction of the connecting rod 34 is perpendicular to the axis of the adjustment wheel 31. When the adjustment wheel 31 is driven to rotate by the transmission assembly 2, as... Figure 1 As shown, when the end of the connecting rod 34 that is connected to the adjusting wheel 31 is furthest from the axis of the adjusting wheel 31, the rectangular frame 41 can be moved to its highest point, and the cutter 43 can also move to its highest point. Therefore, the slitting assembly 4 can slit thicker materials. The intermittently conveying belt 6 can stop conveying when the cutter 43 is cutting thicker bean products. This prevents the bean products from hitting the cutter 43 when it is falling and rising. This allows for the rapid slitting of bean products of different sizes without damaging them. Figure 3 and Figure 4 As shown, since the second drive motor 35 is fixed on the adjusting wheel 31, the entire device does not need to stop running when adjusting the connecting rod 34. While the second drive motor 35 rotates around the axis of the adjusting wheel 31 along with the adjusting wheel 31, it can push the connecting rod 34 away from or closer to the adjusting wheel 31. At this time, the rectangular frame 41 driven by the connecting rod 34 can also achieve rapid adjustment of the height of the cutter 43 without affecting the lifting and lowering or stopping the cutting work, thus improving the efficiency and practicality of the entire cutting device.

[0032] Furthermore, such as Figure 5 and Figure 6 A servo motor 61 is also provided on one side of the belt conveyor 6 and fixed to the outside of the support side plate 12. The servo motor 61 drives the belt conveyor 6 to rotate and transmit intermittently.

[0033] Furthermore, such as Figure 1 and Figure 4 as well as Figure 5As shown, the rack 1 further comprises a support plate 11 and a support frame at the bottom edge of the support plate 11, the belt conveyor 6 is laid on the upper surface of the support plate 11, the driving motor is fixedly connected to the lower surface of the support plate 11, and the outer side wall of the support side plate 12 is further vertically fixedly installed with a cylinder which is open at the top and the bottom, and the support frame is coaxially and slidingly arranged in the cylinder, the first driving motor 5 can be fixed through the support plate 11, the occupied space of the whole machine body is saved, and the two sides of the rectangular frame 41 are slidingly arranged in the cylinder through the cylinder arranged on the outer side of the support side plate 12, so that the offset of the connecting rod 34 during driving of the rectangular frame 41 is prevented, and a limiting effect is achieved.

[0034] Further, as shown in Figure 1 , Figure 3 , the transmission assembly 2 comprises a transmission shaft 21 rotatably arranged on the support frame, the axis of the transmission shaft 21 is perpendicular to the conveying direction, and one end of the transmission shaft 21 further extends and protrudes from the rack 1 to form a protruding portion, one side surface of the adjusting wheel 31 is coaxially and fixedly connected to the protruding portion, and the adjusting wheel 31 is provided with two, the two adjusting wheels 31 synchronously drive the lifting and lowering of the rectangular frame 41, and control the two connecting rods 34, so that the slitting work of the cutter 43 is more accurate, and the height adjustment of the cutter 43 is also more accurate, avoiding the damage to the surface of the belt conveyor 6 and the incomplete slitting of the bean products. Further comprising a first pulley 22 fixedly connected to the output end of the driving motor and a second pulley 23 fixedly connected to the transmission shaft 21, the first pulley 22 and the second pulley 23 are connected by a belt, the diameter of the second pulley 23 is greater than that of the first pulley 22 and the second pulley 23 plays a role of speed reduction, and the shaft body of the transmission shaft 21 close to the protruding portion is rotatably connected to the support frame through a bearing.

[0035] Further, as shown in Figure 1 , Figure 2 , Figure 3 , and Figure 4 , the adjusting wheel 31 is provided with a sliding groove 33 on the other side surface of the protruding portion along the radial direction on one side of the axis, the proximal end of the sliding groove 33 is close to the axis, and the distal end of the sliding groove 33 is close to the edge of the adjusting wheel 31, the sliding groove 33 is further slidingly and vertically provided with a pitch adjusting piece 312, the pitch adjusting piece 312 is further vertically and fixedly provided with a fixed piece 311 at the other side position relative to the axis, the pitch adjusting piece 312 and the fixed piece 311 are threadedly connected through a horizontally arranged pitch adjusting bolt 32, and the bottom of the pitch adjusting piece 312 is further provided with a sliding block 331 embedded in the sliding groove 33, as shown in Figure 2 , and Figure 4As shown, the bottom of the sliding block 331 is slightly wider than the top of the sliding groove 33, and the bottom of the sliding block 331 is designed to be slightly wider than the top of the sliding block 331, so that the sliding block 331 can be embedded in the sliding groove 33, and the distance adjusting piece 312 can be supported and fixed with the fixing piece 311. The function of the distance adjusting bolt 32 and the connecting rod 34 working condition, one end of the connecting rod 34 is rotatably connected to the distance adjusting piece 312, and the adjacent position area of the threaded connection distance adjusting bolt 32 end is connected, the distance adjusting bolt 32 is located at the end of the fixing piece 311 on one side of the fixing piece 311, and is fixedly connected to the output end of the second driving motor 35. The second driving motor 35 can select a high-performance small servo motor, and the second driving motor 35 drives the distance adjusting bolt 32 to rotate. The distance adjusting piece 312 can be displaced in the sliding groove 33 by the rotation of the distance adjusting bolt 32, and the end of the connecting rod 34 is close to or away from the axis of the adjusting wheel 31. So that in the case of not affecting the power transmission of the connecting rod 34 to the adjusting wheel 31, the position of the end of the connecting rod 34 on the surface of the adjusting wheel 31 is adjusted independently by the distance adjusting bolt 32, and the height of the cutting knife 43 is adjusted during the cutting work, and the vertical height of the second driving motor 35, the fixing piece 311 and the distance adjusting piece 312 relative to the surface of the adjusting wheel 31 is lower than the distance between the lower surface of the rod body of the connecting rod 34 and the surface of the adjusting wheel 31, so that the rod body of the connecting rod 34 is not interfered when it is driven by the adjusting wheel 31 to sweep the surface of the adjusting wheel 31.

[0036] Further, as shown in Figure 1 and Figure 3 , the lower surface of the top of the rectangular frame 41 is also elastically connected with the connecting block 413, the top of the connecting block 413 is vertically provided with the first connecting column 411, the first connecting column 411 is slidably connected at the top of the rectangular frame 41, and the spring 412 is provided around the connecting column on the connecting column, and the two ends of the spring 412 are fixedly connected with the top of the rectangular frame 41 and the top of the connecting block 413 respectively. When the distance adjusting bolt 32 adjusts the end of the connecting rod 34 to the farthest end, the cutting knife 43 can run to the highest, but at the same time it will also be lowered to the lowest, so as to affect the surface of the belt conveyor belt 6, so that the cutting knife 43 and the rectangular frame 41 are slidably connected, so as to prevent the cutting knife 43 from damaging the surface of the belt conveyor belt 6, and the spring 412 is connected with the cutting knife 43 and the rectangular frame 41, so that the cutting knife 43 will not fall due to its own gravity after being lifted, so that the limit distance of the cutting knife 43 is reduced.

[0037] Further, as shown in Figure 1 , Figure 3 and Figure 5 and Figure 6As shown, the cutter 43 comprises a cutter holder 42, a blade vertically fixed at the bottom of the cutter holder 42, and a pressing plate 44 movably arranged at both sides of the cutter holder 42 around the blade, the connecting block 413 is detachably connected to the top of the cutter holder 42 near both ends through fastening bolts 414, so that the cutter 43 and the rectangular frame 41 are in a detachable state, which is convenient for replacing different cutters 43 for different materials, two wings are further extended from both sides of the cutter holder 42, the pressing plate 44 is provided with a blade groove 441 for accommodating the blade, and a plurality of second connecting columns 45 are vertically arranged on the upper surface of the pressing plate 44 near the blade, the second connecting columns 45 are slidably connected to the wings of the cutter holder 42, when the cutter 43 falls, the column body of the second connecting column 45 also slides on the cutter holder, as shown in Figure 3 As shown, when the cutter 43 cuts into the bean products, the pressing plate 44 can press the material at any time to prevent the material from deviating, and after the cutter 43 is lifted, as shown in Figure 1 As shown, the pressing plate 44 falls under the action of gravity, but by limiting the length of the second connecting column, the lower surface of the pressing plate 44 will not pass through the blade part of the cutter 43 after the pressing plate 44 is lowered to the lowest position.

[0038] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. An adjustable bean product slicing machine, characterized in that: The device includes a frame, a conveyor belt laid on top of the frame, and support side plates on both sides of the top of the frame. The conveyor belt is rotatably mounted on the inner side of the support side plates. It also includes a sliding assembly located above the conveyor belt. The sliding assembly includes a rectangular frame surrounding the conveyor belt, with both sides of the rectangular frame slidably mounted on the support side plates perpendicular to the conveyor belt and capable of lifting and lowering. The rectangular frame also has detachable cutters perpendicular to the conveyor belt. The frame located at the bottom of the conveyor belt is also equipped with a first drive motor, a transmission assembly connected to it, and an adjustment assembly connected to the transmission assembly. The adjustment assembly includes an adjustment wheel rotatably mounted on the frame, a connecting rod with one end rotatably connected to a position adjacent to the axis of the adjustment wheel, and a second drive motor fixed to the edge of the adjustment wheel. The output end of the second drive motor is driven and connected to the connecting rod and controls the connecting rod to adjust its displacement along the radial direction of the adjustment wheel. The other end of the connecting rod extends and is rotatably connected to one side of the bottom of the support frame. The extension direction of the connecting rod is perpendicular to the axis of the adjustment wheel. When the adjustment wheel is driven to rotate by the transmission assembly, the connecting rod synchronously drives the rectangular frame to lift and lower.

2. The adjustable bean product slitting machine as described in claim 1, characterized in that: A servo motor is also provided on one side of the belt conveyor and fixed to the outside of the support side plate. The servo motor drives the belt conveyor to rotate.

3. The adjustable bean product slitting machine as described in claim 1, characterized in that: The frame also includes a support plate and a support frame located at the bottom edge of the support plate. The belt conveyor is laid on the upper surface of the support plate, and the drive motor is fixed to the lower surface of the support plate. The outer side wall of the support side plate is also vertically fixed with a cylinder that is open at the top and bottom. The two sides of the support frame are coaxially slidably arranged inside the cylinder.

4. An adjustable bean product slitting machine as described in claim 3, characterized in that: The transmission assembly includes a transmission shaft rotatably mounted on a support frame, with its axis perpendicular to the conveying direction and one end extending outward from the frame to form a protrusion. One side surface of the adjusting wheel is coaxially fixed to the protrusion. The assembly also includes a first pulley fixed to the output end of the drive motor and a second pulley fixed to the transmission shaft. The first pulley and the second pulley are connected by a belt. The shaft body of the transmission shaft near the protrusion is rotatably connected to the support frame via a bearing.

5. An adjustable bean product slicing machine as described in claim 1, characterized in that: The adjusting wheel is also slidably vertically mounted on the other side surface of the protrusion. A fixing plate is also vertically fixed on the other side of the adjusting wheel centerline. The adjusting plate and the fixing plate are threaded together by a horizontally mounted adjusting bolt. The end of the adjusting bolt located on the fixing plate side is also fixed to the output end of the second drive motor. The second drive motor drives the adjusting bolt to rotate. One end of the connecting rod is rotatably connected to the adjacent position area of ​​the threaded adjusting bolt end on the adjusting plate. The adjusting plate can be displaced by the rotation of the adjusting bolt and the thread can be used to move the adjusting plate closer to or away from the axis of the adjusting wheel.

6. The adjustable bean product slitting machine as described in claim 1, characterized in that: Connecting blocks are elastically connected to both sides of the lower surface of the top of the rectangular frame. A first connecting post is vertically provided on the top of the connecting block. The first connecting post is slidably connected to both ends of the top of the rectangular frame. A spring is also provided around the connecting post. The two ends of the spring are respectively fixedly connected to the lower surface of the top of the rectangular frame and the top of the connecting block.

7. An adjustable bean product slitting machine as described in claim 6, characterized in that: The cutter includes a blade holder, a blade vertically fixed to the bottom of the blade holder, and pressure plates surrounding the blade and movably disposed on both sides of the blade holder. The connecting block is detachably connected to the top of the blade holder near both ends by fastening bolts. Two wings extend from both sides of the blade holder. The pressure plate is provided with a blade groove to accommodate the blade. Several connecting rods are vertically disposed on the upper surface of the pressure plate near the blade. The connecting rods are slidably connected to the two wings of the blade holder.

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