A cutting mechanism for processing the side edge of bamboo slices

Abstract

A cutting mechanism for processing the side of a bamboo piece, comprising a frame, a milling cutter, a base and a guide device are arranged on the frame, the milling cutter is rotatably connected to the frame, the base is located on both sides of the milling cutter, and the guide assembly is located above the base; the guide device comprises a support plate, a tensioning assembly arranged relatively is arranged on the support plate, the tensioning assembly comprises a swing plate, a sprocket shaft, a sprocket and a pull plate, the sprocket shaft and the pull plate are connected to the two ends of the swing plate, and the sprocket shaft and the pull plate are located on the same side of the swing plate, the sprocket shaft and the pull plate are slidably connected to the support plate, and the sprocket is located on the sprocket shaft; compared with the prior art, the cutting amount can be cut according to the change of the appearance of bamboo pieces of different diameters and special-shaped circles to meet the requirements of bamboo integrated materials. The mechanism is modularly designed, simple in structure, easy to operate, can meet the transformation and upgrading of existing equipment, and has the advantages of high utilization rate of rough materials, good yield rate, no fear of dust, high precision, etc.

Description

Technical Field

[0001] The invention belongs to the technical field of bamboo chip processing, and in particular relates to a cutting mechanism for processing the side edge of a bamboo chip. Background Art

[0002] At present, with the continuous improvement of people's living standards, the demand for wooden furniture, wooden floors and other decorations in their lives is getting higher and higher, and the demand is also increasing, resulting in a global shortage of wood, a large number of forests being cut down, and the earth's environment on which human beings depend for survival is becoming increasingly severe.

[0003] As a species with a short growth cycle, moso bamboo has the characteristics of hardness similar to wood and excellent toughness, so it is gradually being valued by people. By processing moso bamboo into bamboo composite materials, it can not only be used to make bamboo furniture, bamboo floors, bamboo chopping boards and other daily necessities, but also can indirectly reduce the felling of wood and improve the earth's ecological environment. It can be said to kill two birds with one stone.

[0004] like Figure 12-14 As shown, however, the existing bamboo processing equipment 39 uses a mechanism composed of a pair of gear pairs, a swing plate, a cylindrical guide wheel, a tension spring and a milling cutter to process the two sides of the rough embryo bamboo piece. This mechanism has two defects in practical application processing: first, the gear pair rotates by meshing teeth, so the center distance between the two teeth is fixed, and the gap between the meshing teeth of the gear pair is also fixed, so the bamboo chips generated when cutting bamboo for a long time will gradually block between the tooth gaps, causing the gear pair to rotate inflexibly or even stuck; second, the cylindrical guide positioning wheel is used, which is positioned at the widest part of the yellow sheet corner of the rough embryo bamboo piece. When processing rough embryo bamboo pieces with asymmetrical side shapes and special-shaped circular shapes, the side cutting will be insufficient or excessive, and the insufficiently cut bamboo piece profile will cause splicing defects and unsightly bamboo collection profiles, while the excessively cut bamboo pieces will not achieve the maximum utilization of materials, resulting in waste of materials and indirect loss of its economic benefits. Summary of the invention

[0005] The present invention aims to overcome the defects in the prior art and provides a cutting mechanism for processing the side edge of a bamboo piece which has a guiding and centering function, is adjustable in tightness and is easy to operate.

[0006] In order to achieve the above purpose, the technical solution adopted by the present invention is: a cutting mechanism for processing the side edge of a bamboo piece, comprising a frame, a milling cutter, a base and a guide device are arranged on the frame, the milling cutter is rotatably connected to the frame, the base is located on both sides of the milling cutter, and the guide assembly is located above the base; the guide device comprises a support plate, a relatively arranged tensioning assembly is arranged on the support plate, the tensioning assembly comprises a swing plate, a sprocket shaft, a sprocket and a pull plate, the sprocket shaft and the pull plate are connected to both ends of the swing plate, and the sprocket shaft and the pull plate are located on the same side of the swing plate, the sprocket shaft and the pull plate are slidably connected to the support plate, and the sprocket is located on the sprocket shaft; the swing plate is also provided with a rotatably connected conical guide wheel, the conical guide wheel and the sprocket shaft are located at opposite ends of the swing plate, and the conical guide wheel and the pull plate are located on opposite sides of the swing plate; an opening is formed on the support plate, and a bow-shaped pressure plate connected to the support plate is arranged at the opening, and the bow-shaped pressure plate is rotatably connected to the frame, and the bow-shaped pressure plate faces the direction of the milling cutter.

[0007] As a preferred solution of the present invention, an adjustment groove adapted to the sprocket shaft is formed on the support plate, the sprocket shaft passes through the adjustment groove, and the size of the adjustment groove is larger than the size of the sprocket shaft, and the sprocket shaft is a cylindrical structure or an eccentric cylindrical structure.

[0008] As a preferred solution of the present invention, the bottom of the pull plate abuts against the support plate, and the pull plates on the relatively arranged tensioning assemblies are relatively arranged, and a fixing plate is provided between the relatively arranged pull plates.

[0009] As a preferred solution of the present invention, a threaded pull rod is provided between the relatively arranged pull plates, the threaded pull rod passes through the fixed plate and the relatively arranged pull plate, and a nut, a sleeve and a spring are sleeved on the threaded pull rod, the spring is sleeved on the threaded pull rod, and one end of the spring is abutted against the sleeve, and the other end of the spring is abutted against the pull plate, one end of the threaded pull rod forms a "T" structure, the T structure is abutted against the pull plate, and the nut is abutted against another relatively arranged pull plate.

[0010] As a preferred solution of the present invention, the swing plates on the relatively arranged tensioning assemblies are located on the same horizontal plane, the conical guide wheels of the relatively arranged tensioning assemblies are also located on the same horizontal plane, and the taper of the conical guide wheels is 25°-45°.

[0011] As a preferred solution of the present invention, a double-layer sprocket is provided on the sprocket shaft, the sprockets on the same layer are located on the same horizontal plane, and the sprockets on the same layer are connected with chains, the chain is connected from one end of one sprocket to one end of another sprocket to form an "S" shape structure, and the chains of the double-layer sprocket are set in opposite directions.

[0012] As a preferred solution of the present invention, a fulcrum bolt is provided between the bow-shaped pressure plate and the frame, the bow-shaped pressure plate is rotatably connected to the fulcrum bolt, a matching plate is provided on the support plate, a threaded top rod is provided on the matching plate which abuts against the bow-shaped pressure plate, and a pull rod connected to the bow-shaped pressure plate is also provided on the matching plate.

[0013] As a preferred solution of the present invention, the threaded push rod and the pull rod are located on the same side of the bow-shaped pressure plate, and the threaded push rod is located above the pull rod, the threaded push rod passes through the matching plate and is against the bow-shaped pressure plate, the threaded push rod is threadedly connected to the matching plate, the pull rod passes through the matching plate and the bow-shaped pressure plate, and the pull rod is slidingly connected to the matching plate and the bow-shaped pressure plate, a pull rod spring and a pull rod nut are provided on the pull rod, the pull rod spring is sleeved on the pull rod, and both ends of the pull rod spring are against the matching plate and the pull rod nut.

[0014] As a preferred scheme of the present invention, a double bevel adjustment block is provided between the relatively arranged sprocket shafts, and relatively arranged bevel structures are formed on both sides of the double bevel adjustment block, and the bevel structures are against the sprocket shaft, and a movable groove adapted to the double bevel adjustment block is formed on the support plate, and a fixed seat connected to the double bevel adjustment block is provided on the support plate, and an adjustment bolt is provided between the fixed seat and the double bevel adjustment block, and the adjustment bolt passes through the fixed seat and is connected to the double bevel adjustment block, and the adjustment bolt is arranged along the length direction of the double bevel adjustment block, and the double bevel adjustment block is movably connected to the support plate.

[0015] As a preferred solution of the present invention, the chain is provided with a threaded connecting rod, a first threaded connecting sleeve and a second threaded connecting sleeve, the first threaded connecting sleeve and the second threaded connecting sleeve are connected to both ends of the threaded connecting rod, and the first threaded connecting sleeve and the second threaded connecting sleeve are connected to the chain.

[0016] The beneficial effects of the present invention are as follows: compared with the prior art, it can automatically adapt to the changes in the appearance of bamboo pieces of different diameters and special-shaped circles to perform cutting processing to meet the requirements of bamboo integrated materials. The mechanism is modularly designed, simple in structure, and easy to operate. It can meet the transformation and upgrading of existing equipment and has the advantages of high utilization rate of rough materials, good yield rate, no fear of dust, and high precision. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the present invention;

[0018] Figure 2 It is a schematic diagram of the connection between the base and the guide device;

[0019] Figure 3 is a schematic diagram of the structure of the guide device;

[0020] Figure 4 is a top view of the guide device;

[0021] Figure 5 is a structural schematic diagram of the support plate;

[0022] Figure 6 This is a guide diagram of the bamboo edge;

[0023] Figure 7 This is a schematic diagram of cutting the edge of bamboo;

[0024] Figure 8 is a schematic diagram of a sprocket shaft of Embodiment 2;

[0025] Fig. 9 is a schematic diagram of the installation of the guide device of the third embodiment;

[0026] Fig.10 is a schematic diagram of the chain structure of Embodiment 3;

[0027] Fig.11 It is a structural schematic diagram of a threaded connecting rod;

[0028] Fig.12 It is a structural schematic diagram of a cutting mechanism in the prior art;

[0029] Fig.13 It is a guide schematic diagram of bamboo edge in the prior art;

[0030] Fig.14 It is a schematic diagram of cutting bamboo edges in the prior art;

[0031] The figure numerals are as follows: frame 1, guide device 2, tensioning assembly 3, swing plate 4, support plate 5, nut 6, sleeve 7, spring 8, conical guide wheel 9, pull rod 10, sprocket 11, double bevel adjustment block 12, fixed seat 13, adjusting bolt 14, fastening nut 15, adjustment block bevel 16, sprocket shaft 17, adjustment slot 18, pull plate 19, chain 20, movable slot 21, fixed plate 22, bamboo piece 23, milling cutter 24, pull rod nut 25, pull rod spring 26, threaded push rod 27, pull rod 28, bow pressure plate 29, fulcrum bolt 30, yellow sheet edge corner inside bamboo piece 31, cutting amount 32, opening 33, first threaded connecting sleeve 34, threaded connecting rod 35, second threaded connecting sleeve 36, base 37, matching plate 38, bamboo processing equipment 39. DETAILED DESCRIPTION

[0032] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0033] like Figure 1-11 As shown, embodiment 1:

[0034] A cutting mechanism for processing the side of a bamboo piece, comprising a frame 1, on which a milling cutter 24, a base 37 and a guide device 2 are arranged, the milling cutter 24 is rotatably connected to the frame 1, the base 37 is located on both sides of the milling cutter 24, and the guide assembly is located above the base 37; the guide device 2 comprises a support plate 5, on which a tensioning assembly 3 is arranged oppositely, the tensioning assembly 3 comprises a swing plate 4, a sprocket shaft 17, a sprocket 11 and a pull plate 19, the sprocket shaft 17 and the pull plate 19 are connected to both ends of the swing plate 4, and the sprocket shaft 17 and the pull plate 19 Located on the same side of the swing plate 4, the sprocket shaft 17 and the pull plate 19 are slidingly connected to the support plate 5, and the sprocket 11 is located on the sprocket shaft 17; the swing plate 4 is also provided with a rotatably connected conical guide wheel 9, the conical guide wheel 9 and the sprocket shaft 17 are located at opposite ends of the swing plate 4, and the conical guide wheel 9 and the pull plate 19 are located on opposite sides of the swing plate 4; an opening 33 is formed on the support plate 5, and a bow-shaped pressure plate 29 connected to the support plate 5 is provided at the opening 33, and the bow-shaped pressure plate 29 is rotatably connected to the frame 1, and the bow-shaped pressure plate 29 faces the direction of the milling cutter 24.

[0035] The relatively arranged tensioning components 3 are located on both sides of the bamboo piece 23, and the positions of the swing plate 4, the sprocket shaft 17, the sprocket 11 and the pull plate 19 correspond to each other. The swing plate 4 is arranged in parallel with the support plate 5, and the swing plate 4 is used to connect the pull plate 19, the conical guide wheel 9 and the sprocket shaft 17. The pull plate 19 and the swing plate 4 are integrally formed, and the pull plate 19 and the conical guide wheel 9 are located at the same end of the swing plate 4, and the pull plate 19 and the conical guide wheel 9 are located on the upper and lower sides of the swing plate 4, and the conical guide wheel 9 is in contact with the bamboo piece 23. The movement of the conical guide wheel 9 drives the movement of the pull plate 19, and the pull plate 19 is always against the support plate 5, so that the conical guide wheel 9 has better stability during the movement.

[0036] An adjustment groove 18 matched with the sprocket shaft 17 is formed on the support plate 5. The adjustment grooves 18 of the two sprocket shafts 17 are located on the same straight line, and the adjustment grooves 18 are long arc-shaped structures. The distance between the two sprocket shafts 17 is adjusted by moving the positions of the two sprocket shafts 17. The sprocket shaft 17 passes through the adjustment groove 18, and the size of the adjustment groove 18 is larger than the size of the sprocket shaft 17. The sprocket shaft 17 is a cylindrical structure.

[0037] The sprocket shaft 17 is fixedly connected to the swing plate 4. The sprocket shaft 17 is fixedly connected to the swing plates 4 by interference fit. The two sprocket shafts 17 are used to adjust the distance between the two swing plates 4. The sprocket 11 and the pull plate 19 are located on the same side of the swing plate 4. One end of the sprocket shaft 17 is inserted into the adjustment groove 18 on the support plate 5.

[0038] The bottom of the pull plate 19 is abutted against the support plate 5, and the pull plates 19 on the relatively arranged tensioning components 3 are relatively arranged, and a fixed plate 22 is provided between the relatively arranged pull plates 19, and the fixed plate 22 and the support plate 5 are integrally formed. A threaded pull rod 10 is provided between the relatively arranged pull plates 19, and the threaded pull rod 10 passes through the fixed plate 22 and the relatively arranged pull plate 19, and a nut 6, a sleeve 7 and a spring 8 are sleeved on the threaded pull rod 10, and the spring 8 is sleeved on the threaded pull rod 10, and one end of the spring 8 is abutted against the sleeve 7, and the other end of the spring 8 is abutted against the pull plate 19, and one end of the threaded pull rod 10 forms a "T" structure, the T structure is abutted against the pull plate 19, and the nut 6 is abutted against another relatively arranged pull plate 19.

[0039] A convex structure that is compatible with the "T" structure of the threaded pull rod 10 is formed on the pull plate 19. When the "T" structure of the threaded pull rod 10 abuts against the surface of the pull plate 19, the side of the "T" structure of the threaded pull rod 10 abuts against the convex structure, so that the convex structure and the pull plate 19 have better stability.

[0040] The distance between the two conical guide wheels 9 has a retractable margin under the action of the bamboo piece 23, and can also perform self-centering positioning of the yellow piece edge 31 of the bamboo piece under elastic pressure.

[0041] The swing plates 4 on the relatively arranged tensioning assemblies 3 are located on the same horizontal plane, and the conical guide wheels 9 of the relatively arranged tensioning assemblies 3 are also located on the same horizontal plane, and the taper of the conical guide wheels 9 is 25°-45°, and the taper of the conical guide wheels 9 is designed according to actual needs.

[0042] A double-layer sprocket 11 is provided on the sprocket shaft 17. The sprockets 11 on the same layer are located on the same horizontal plane, and are connected to chains 20. The chain 20 is connected from one end of one sprocket 11 to one end of another sprocket 11 to form an "S"-shaped structure. The chains 20 of the double-layer sprocket 11 are arranged in opposite directions.

[0043] Each chain 20 is connected to two sprockets 11 on the same horizontal plane. When the chain connection of the previous pair is in an "S" shape, the chain connection of the next pair is in an "inverse S" shape. Therefore, viewed from the axial direction of the sprocket shaft 17, the connection combination of the two chains and sprockets is in an "8" shape.

[0044] A fulcrum bolt 30 is provided between the bow-shaped pressure plate 29 and the frame 1, and the bow-shaped pressure plate 29 is rotatably connected to the fulcrum bolt 30. A matching plate 38 is provided on the support plate 5, and a threaded push rod 27 that abuts against the bow-shaped pressure plate 29 is provided on the matching plate 38. At the same time, a pull rod 28 connected to the bow-shaped pressure plate 29 is also provided on the matching plate 38.

[0045] The threaded push rod 27 and the pull rod are located on the same side of the bow-shaped pressure plate 29, and the threaded push rod 27 is located above the pull rod 28. The threaded push rod 27 passes through the matching plate 38 and abuts against the bow-shaped pressure plate 29. The threaded push rod 27 is threadedly connected to the matching plate 38. The pull rod 28 passes through the matching plate 38 and the bow-shaped pressure plate 29, and the pull rod 28 is slidingly connected to the matching plate 38 and the bow-shaped pressure plate 29. A pull rod spring 26 and a pull rod nut 25 are provided on the pull rod 28. The pull rod spring 26 is sleeved on the pull rod 28, and both ends of the pull rod spring 26 abut against the matching plate 38 and the pull rod nut 25.

[0046] The bow-shaped pressure plate 29 can swing around the fulcrum bolt 30. One end of the bow-shaped pressure plate 29 is pressed down on one side of the inner circle of the bamboo piece 23, and the other end is connected to the matching plate 38 on the support plate 5 through a pull rod 28. The pull rod 28 passes through one side of the matching plate 38 and is provided with a pull rod spring 26 and a pull rod nut 25. A threaded push rod 27 is provided on the matching plate 38 directly above the pull rod 28. The threaded push rod 27 can adjust the spring force of the pull rod spring 26 and also ensure the unidirectional swing of the bow-shaped pressure plate 29.

[0047] A double-bevel adjustment block 12 is provided between the oppositely arranged sprocket shafts 17, and oppositely arranged bevel structures are formed on both sides of the double-bevel adjustment block 12, and the bevel structures are against the sprocket shaft 17. A movable groove 21 adapted to the double-bevel adjustment block 12 is formed on the support plate 5, and a fixed seat 13 connected to the double-bevel adjustment block 12 is provided on the support plate 5. An adjusting bolt 14 is provided between the fixed seat 13 and the double-bevel adjustment block 12, and the adjusting bolt 14 passes through the fixed seat 13 and is connected to the double-bevel adjustment block 12. The adjusting bolt 14 is arranged along the length direction of the double-bevel adjustment block 12, and the double-bevel adjustment block 12 is movably connected to the support plate 5.

[0048] The double-beveled adjustment block 12 is in an "L" shape and is installed on a moving groove 21 provided on the support plate 5. The double-beveled adjustment block 12 moves along the direction of the moving groove 21. There is a fixed seat 13 facing the "L"-shaped short side of the double-beveled adjustment block 12. The fixed seat 13 is an integral structure with the support plate 5. The axial displacement of the adjusting bolt 14 is used to push the movement of the double-beveled adjustment block 12, so that the beveled edge 16 of the adjusting block slowly expands the center distance between the two sprocket shafts 17, thereby tightening the chain 20 on the sprocket 11 to eliminate the gap. At the same time, a fastening nut 15 is provided on the adjusting bolt 14. When the adjusting bolt 14 is moved to a suitable position, the adjusting bolt 14 is locked by the fastening nut 15.

[0049] The yellow edge corners 31 of the bamboo piece 23 are supported on the conical guide wheel 9, and a certain gap is allowed between the yellow edge corners 31 of the bamboo piece and the conical guide wheel 9. The two yellow edge corners 31 of the bamboo piece on both sides of the bamboo piece 23 are clamped under the action of the conical guide wheel 9. The milling cutter 24 is located in the gap between the bases 37. The middle of the front and rear milling cutters 24 is just set to the width requirement of the bamboo integrated material profile, so that the milling cutter 24 can cut the yellow edge corners 31 of the bamboo piece on both sides of the bamboo piece 23, and the cutting amount 32 meets the standard.

[0050] Embodiment 2: Embodiment 2 is modified on the basis of Embodiment 1. When the outer circle of the sprocket shaft 17 is designed to be an eccentric cylindrical structure with other components unchanged, the tension, i.e., the gap, between the sprocket 11 and the chain 20 can be adjusted by squeezing the eccentric circles of the eccentric cylinders of the two sprocket shafts 17. Embodiment 2 does not require the setting of a double bevel adjustment block 12.

[0051] Embodiment 3: Embodiment 3 is modified on the basis of Embodiment 1. When it is necessary to process a wide width profile while other components remain unchanged, it is only necessary to replace the support plate 5 with a larger-sized support plate 5 and remove the adjustment device of the double-bevel adjustment block 12. Instead, the left and right ends of the positive and negative threaded connecting rods 35 are connected to the first threaded connecting sleeve 34 and the second threaded connecting sleeve 36 respectively fixed on one end of the chain 20, so as to realize the gap adjustment between the two sprockets 11 and the chain 20.

[0052] The chain 20 is provided with a threaded connecting rod 35 , a first threaded connecting sleeve 34 and a second threaded connecting sleeve 36 . The first threaded connecting sleeve 34 and the second threaded connecting sleeve 36 are connected to both ends of the threaded connecting rod 35 , and the first threaded connecting sleeve 34 and the second threaded connecting sleeve 36 are connected to the chain 20 .

[0053] In actual use, when the outer circumference of the bamboo piece 23 passes through the middle of the two conical guide wheels 9 against the base 37, the two inner yellow edge corners 31 of the bamboo piece 23 are self-centered under the action of the conical outer contour of the conical guide wheel 9, and the two inner yellow edge corners 31 of the bamboo piece 23 are cut by the double milling cutter 24 under the action of the arched pressure plate 29. Due to the self-centering guiding effect of the conical guide wheel 9, the set of mechanism devices can realize the cutting process of bamboo pieces of different diameters and special-shaped circles to adapt to the changes in their appearance by themselves and perform self-centering cutting amount 32, thereby meeting the requirements of bamboo collection profiles.

[0054] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention; therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

[0055] Although this article uses more figure marks in the figure: frame 1, guide device 2, tensioning assembly 3, swing plate 4, support plate 5, nut 6, sleeve 7, spring 8, conical guide wheel 9, pull rod 10, sprocket 11, double bevel adjustment block 12, fixed seat 13, adjusting bolt 14, fastening nut 15, adjustment block bevel 16, sprocket shaft 17, adjustment groove 18, pull plate 19, chain 20, moving groove 21, fixed plate 22, bamboo piece 23, milling cutter 24, pull rod nut 25, pull rod spring 26, screw Terms such as patterned top rod 27, pull rod 28, bow pressure plate 29, fulcrum bolt 30, yellow sheet edge 31 inside bamboo sheet, cutting amount 32, opening 33, first threaded connection sleeve 34, threaded connection rod 35, second threaded connection sleeve 36, base 37, matching plate 38, bamboo processing equipment 39, etc., but the possibility of using other terms is not excluded; these terms are used only to more conveniently describe and explain the essence of the present invention; interpreting them as any additional restrictions is contrary to the spirit of the present invention.

Claims

1. A cutting mechanism for processing the side of a bamboo piece, comprising a frame (1), a milling cutter (24), a base (37) and a guide device (2) being arranged on the frame (1), the milling cutter (24) being rotatably connected to the frame (1), the base (37) being located on both sides of the milling cutter (24), and the guide assembly being located above the base (37); characterized in that: The guide device (2) comprises a support plate (5), a tensioning assembly (3) arranged relatively to the support plate (5), the tensioning assembly (3) comprising a swing plate (4), a sprocket shaft (17), a sprocket (11) and a pull plate (19), the sprocket shaft (17) and the pull plate (19) being connected to both ends of the swing plate (4), and the sprocket shaft (17) and the pull plate (19) being located on the same side of the swing plate (4), the sprocket shaft (17) and the pull plate (19) being slidably connected to the support plate (5), and the sprocket (11) being located on the sprocket shaft (17). ; The swing plate (4) is also provided with a rotatably connected conical guide wheel (9), the conical guide wheel (9) and the sprocket shaft (17) are located at opposite ends of the swing plate (4), and the conical guide wheel (9) and the pull plate (19) are located at opposite sides of the swing plate (4); an opening (33) is formed on the support plate (5), and a bow-shaped pressure plate (29) connected to the support plate (5) is provided at the opening (33), and the bow-shaped pressure plate (29) is rotatably connected to the frame (1), and the bow-shaped pressure plate (29) faces the direction of the milling cutter (24); An adjustment groove (18) adapted to the sprocket shaft (17) is formed on the support plate (5); the sprocket shaft (17) passes through the adjustment groove (18); the size of the adjustment groove (18) is larger than the size of the sprocket shaft (17); and the sprocket shaft (17) is a cylindrical structure or an eccentric cylindrical structure; The bottom of the pull plate (19) abuts against the support plate (5), and the pull plates (19) on the relatively arranged tensioning assemblies (3) are relatively arranged, and a fixing plate (22) is provided between the relatively arranged pull plates (19).

2. A cutting mechanism for processing the side edge of a bamboo piece according to claim 1, characterized in that: A threaded pull rod (10) is provided between the pull plates (19) arranged opposite to each other. The threaded pull rod (10) passes through the fixed plate (22) and the pull plate (19) arranged opposite to each other. A nut (6), a sleeve (7) and a spring (8) are sleeved on the threaded pull rod (10). The spring (8) is sleeved on the threaded pull rod (10). One end of the spring (8) abuts against the sleeve (7), and the other end of the spring (8) abuts against the pull plate (19). One end of the threaded pull rod (10) forms a "T" structure, and the T structure abuts against the pull plate (19). The nut (6) abuts against another pull plate (19) arranged opposite to each other.

3. A cutting mechanism for processing the side edge of a bamboo piece according to claim 1, characterized in that: The swing plates (4) on the relatively arranged tensioning assemblies (3) are located on the same horizontal plane, and the conical guide wheels (9) of the relatively arranged tensioning assemblies (3) are also located on the same horizontal plane, and the conical guide wheels (9) have a taper of 25°-45°.

4. A cutting mechanism for processing the side edge of a bamboo piece according to claim 1, characterized in that: The sprocket shaft (17) is provided with a double-layer sprocket (11), the sprockets (11) on the same layer are located on the same horizontal plane, and the sprockets (11) on the same layer are connected with chains (20), the chain (20) is connected from one end of one sprocket (11) to one end of another sprocket (11), forming an "S"-shaped structure, and the chains (20) of the double-layer sprocket (11) are arranged in opposite directions.

5. A cutting mechanism for processing the side edge of a bamboo piece according to claim 1, characterized in that: A fulcrum bolt (30) is provided between the bow-shaped pressure plate (29) and the frame (1), and the bow-shaped pressure plate (29) is rotatably connected to the fulcrum bolt (30). A matching plate (38) is provided on the support plate (5), and a threaded push rod (27) is provided on the matching plate (38) to abut against the bow-shaped pressure plate (29). At the same time, a pull rod (28) connected to the bow-shaped pressure plate (29) is also provided on the matching plate (38).

6. A cutting mechanism for processing the side edge of a bamboo piece according to claim 5, characterized in that: The threaded push rod (27) and the pull rod are located on the same side of the bow-shaped pressure plate (29), and the threaded push rod (27) is located above the pull rod (28). The threaded push rod (27) passes through the matching plate (38) and abuts against the bow-shaped pressure plate (29). The threaded push rod (27) is threadedly connected to the matching plate (38). The pull rod (28) passes through the matching plate (38) and the bow-shaped pressure plate (29), and the pull rod (28) is slidably connected to the matching plate (38) and the bow-shaped pressure plate (29). A pull rod spring (26) and a pull rod nut (25) are provided on the pull rod (28). The pull rod spring (26) is sleeved on the pull rod (28), and two ends of the pull rod spring (26) abut against the matching plate (38) and the pull rod nut (25).

7. A cutting mechanism for processing the side edge of a bamboo piece according to claim 1, characterized in that: A double-beveled adjustment block (12) is arranged between the sprocket shafts (17) arranged oppositely, and beveled structures arranged oppositely are formed on both sides of the double-beveled adjustment block (12), and the beveled structures are against the sprocket shaft (17). A movable groove (21) adapted to the double-beveled adjustment block (12) is formed on the support plate (5), and a fixing seat (13) connected to the double-beveled adjustment block (12) is provided on the support plate (5). An adjusting bolt (14) is arranged between the fixing seat (13) and the double-beveled adjustment block (12), and the adjusting bolt (14) passes through the fixing seat (13) and is connected to the double-beveled adjustment block (12). The adjusting bolt (14) is arranged along the length direction of the double-beveled adjustment block (12), and the double-beveled adjustment block (12) is movably connected to the support plate (5).

8. A cutting mechanism for processing the side edge of a bamboo piece according to claim 4, characterized in that: The chain (20) is provided with a threaded connecting rod (35), a first threaded connecting sleeve (34) and a second threaded connecting sleeve (36); the first threaded connecting sleeve (34) and the second threaded connecting sleeve (36) are connected to both ends of the threaded connecting rod (35), and the first threaded connecting sleeve (34) and the second threaded connecting sleeve (36) are connected to the chain (20).

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