A mechanical device for preparing chordwise bamboo shaving units and a method for preparing bamboo shaving units

Abstract

The present invention provides a mechanical device for preparing chordwise bamboo chip units and a method for preparing bamboo chip units. The device includes a truncating device, a shunting device, a bamboo node segment processing device, and a bamboo internode segment processing device. The truncating device is used to cut bamboo into bamboo node segments and bamboo internode segments. The shunting device is used to separately convey the bamboo node segments and bamboo internode segments to the bamboo node segment processing device and the bamboo internode segment processing device. The bamboo node segment and bamboo internode segment processing devices first perform gradient sharpening on both ends of the bamboo segments, and then switch the processing platform and use an arc-shaped tool for guiding planing. The mechanical device for preparing bamboo chip units designed by the present invention has a high degree of automation, the tool wear is small as the cutting-in position avoids the hard bamboo skin, and the small-unit processing avoids the influence of the sharpening degree on the quality of the planed chips. It has the advantages of high bamboo utilization rate, uniform thickness of bamboo chips, good shape, etc., and has excellent fluidity, inter-chip transitional gluing property, and paving flatness. It is a high-quality upgraded unit for bamboo oriented strand board.

Description

Technical Field

[0001] The invention belongs to the technical field of processing of bamboo and bamboo-based composite materials, and particularly relates to a machine for preparing chordal bamboo chip units and a method for preparing bamboo chip units. Background Art

[0002] With the prevalence of the concepts of low carbon and "bamboo replacing wood", the research on high-quality bamboo products has gradually gained popularity. Compared with wood, bamboo has the characteristics of high strength, good toughness, large strength, and beautiful texture, and is an ideal raw material for engineering structures and decorative materials. However, the characteristics of small diameter, hollow, and thin wall of bamboo restrict its industrial development. At present, the existing bamboo units have problems such as low utilization rate of bamboo, destruction of the original bamboo structure by the bamboo units, and unstable paving structure.

[0003] At present, there are some deficiencies in the methods and devices for planing bamboo chips. On the one hand, the directional texture of bamboo is ignored, and the strength of bamboo fibers is damaged to a certain extent during the preparation process, which cannot meet the requirements for high-quality bamboo chips. In addition, the existing technologies generally have the deficiencies of low processing efficiency and low automation level.

[0004] The upgrading of basic bamboo units will bring about an innovation in the development of bamboo-based materials. From precision planed bamboo strips, flattened bamboo, bamboo strips, bamboo shavings, bamboo fibers to bamboo fiber bundles, it records the typical development process of bamboo-based materials from ordinary bamboo floors, flattened bamboo, bamboo plywood, bamboo particleboard, bamboo fiber board to bamboo recombined wood. Bamboo strips / bamboo chips are high-quality bamboo units, but due to the relatively weak processing machinery, their unit performance is unstable and the quality of the boards is not high.

[0005] Bamboo oriented strand board has excellent mechanical properties. However, due to the thin wall and hollow of bamboo, there are currently technical problems such as low processing efficiency of chip units, difficult quality control, and low utilization rate of bamboo, which hinder the development of the bamboo oriented strand board industry. Summary of the Invention

[0006] The technical problem to be solved by the present invention is to provide a machine for preparing chordal bamboo chip units and a method for preparing bamboo chip units in view of the above-mentioned deficiencies of the existing technologies. The overall automation degree of the preparation machine is high, which can segment bamboo materials to avoid the influence of the taper of bamboo materials, not only improve the utilization rate of bamboo materials but also ensure the uniform thickness of bamboo chips. At the same time, double-sided gradient tapering treatment is performed on bamboo segments to avoid cutting into the hard bamboo green, with small tool wear and reduced processing tool cost. Arc-shaped tool guiding planing is used to produce chip units with thick middle and thin sides, which have excellent fluidity and inter-chip transitional adhesiveness, and are beneficial to the paving flatness.

[0007] To solve the above technical problems, the technical solution adopted by the present invention is as follows: A mechanical device for preparing chordal bamboo chips includes a truncating device, a shunting device, a bamboo joint segment processing device, and a bamboo intermediate segment processing device. The truncating device is used to cut bamboo into bamboo joint segments and bamboo intermediate segments. The shunting device is used to separately convey the bamboo joint segments and bamboo intermediate segments to the bamboo joint segment processing device and the bamboo intermediate segment processing device. Both the bamboo joint segment processing device and the bamboo intermediate segment processing device include a second conveying mechanism, a fixing mechanism, a conversion base, a cutting head mechanism, and a planing mechanism. The cutting head mechanism and the planing mechanism are both installed on the conversion base.

[0008] Preferably, the truncating device includes a first conveying mechanism and a cutting mechanism. The first conveying mechanism includes a first conveying table, a first motor, a first driving bevel gear, a first driven bevel gear, a first driven wheel, a first fixing rod, and a first roller. The first conveying table is set on the ground. The first motor is installed on the first conveying table. The first driving bevel gear is installed on the output shaft of the first motor. There are several first driven wheels which are arranged equidistantly on the first conveying table. The first driven bevel gear is in transmission connection with any one of the first driven wheels and meshes with the first driving bevel gear. The several first driven wheels are in transmission connection with each other. There are several first fixing rods which are arranged equidistantly on the first conveying table. The first roller is rotatably installed on the first fixing rod. The cutting mechanism is used to truncate the bamboo moving to a predetermined position on the first conveying table. The cutting mechanism includes a cutting cylinder, a saw blade, and a position sensing assembly. There are two cutting cylinders which are both installed on the first conveying table. There are two saw blades which are respectively connected to the telescopic rods of the two cutting cylinders. The position sensing assembly includes an adjusting cylinder and a bamboo distance sensor. The adjusting cylinder is fixedly installed on the first conveying table. The bamboo distance sensor is arranged on the telescopic rod of the adjusting cylinder.

[0009] Preferably, the shunting device includes a shifting rod, a shunting cylinder, and a ramp. A blanking port is formed on the first conveying table. The top of the ramp is connected to the blanking port. The shunting cylinder is installed on the first conveying table. The shifting rod is connected to the rotating end of the shunting cylinder.

[0010] Preferably, the second conveying mechanism includes a second conveying table, a second motor, a second driving bevel gear, a second driven bevel gear, second driven wheels, second fixing rods, second rollers, a conveyor belt, pushing blocks and pushing springs. The second conveying table is arranged on the ground. The second motor is installed on the second conveying table. The second driving bevel gear is installed on the output shaft of the second motor. There are several second driven wheels which are arranged equidistantly on the second conveying table. The second driven bevel gear is in transmission connection with any one of the second driven wheels and meshes with the second driving bevel gear. There are several second fixing rods which are arranged equidistantly on the second conveying table. The second rollers are rotatably installed on the second fixing rods. The conveyor belt is wound around the second driven wheels. There are several pushing blocks which are arranged equidistantly on the conveyor belt. The pushing springs are installed on the pushing blocks.

[0011] Preferably, the fixing mechanism includes a main rotary cylinder, a main telescopic cylinder, a sub-rotary cylinder and a fixture. The main rotary cylinder is arranged on the ground. The cylinder body of the main telescopic cylinder is connected to the rotating end of the main rotary cylinder. The cylinder body of the sub-rotary cylinder is connected to the telescopic rod of the main telescopic cylinder. The fixture includes a base, a sub-telescopic cylinder, an L-shaped rod, an inclined rod, a first clamping rod, a second clamping rod, a positioning rod, a first spring, a first abutting member, a second spring, a second abutting member, a sleeve, a third spring and a tool distance sensor. The base is connected to the rotating end of the sub-rotary cylinder. The sub-telescopic cylinder is installed on the base. The L-shaped rod is fixedly connected to the telescopic rod of the sub-telescopic cylinder. The sleeve is sleeved on the telescopic rod of the sub-telescopic cylinder and is fixed to the cylinder body of the sub-telescopic cylinder. The third spring is sleeved on the sleeve. One end of the third spring is fixed to the sleeve and the other end is fixed to the L-shaped rod. The inclined rod is fixedly connected to the L-shaped rod. The positioning rod is fixedly connected to the L-shaped rod. The first clamping rod and the second clamping rod are fixedly connected and their connection part is rotatably arranged on the positioning rod. Clamping teeth are arranged on the inner side surface of the first clamping rod. The first spring and the second spring are respectively arranged on the outer side surface and the inner side surface of the second clamping rod. The first abutting member is arranged on the first spring. The second abutting member is arranged on the second spring. The tool distance sensor is installed on the first clamping rod.

[0012] Preferably, the conversion base includes a support table, a conversion cylinder and a mounting plate. The support table is arranged on the ground. The conversion cylinder is installed on the support table. The mounting plate is connected to the rotating end of the conversion cylinder.

[0013] Preferably, the cutting head mechanism includes a cutting head motor and a cutting tool. The cutting head motor is installed on the mounting plate. The cutting tool is connected to the output shaft of the cutting head motor.

[0014] Preferably, the planing mechanism includes a motor base, a planing motor, a worm, a worm gear, a connecting rod, a fixing plate, a planer base and a planer. The motor base is fixedly connected to the mounting plate. The planing motor is installed on the motor base. The fixing plate is fixedly connected to the motor base. The worm is rotatably installed on the fixing plate and is connected to the output shaft of the planing motor. The worm gear is rotatably installed on the fixing plate and meshes with the worm. The middle of the connecting rod is drivingly connected to the worm gear. There are two planer bases which are respectively installed at both ends of the connecting rod. A material outlet is provided on the planer base. There are two planers which are respectively installed on the planer bases.

[0015] Preferably, when the planer of the bamboo joint section processing device performs planing, the cutting-in angle is 45° to 60°, and when the planer of the bamboo internode section processing device performs planing, the cutting-in angle is 30° to 45°.

[0016] A preparation method of a bamboo shaving unit is manufactured by using the above-mentioned tangential bamboo shaving unit preparation machine, and includes the following steps:

[0017] S1. Cut the bamboo into bamboo joint sections and bamboo internode sections through a cutting device;

[0018] S2. Convey the bamboo joint sections to the bamboo joint section processing device through a shunting device, and convey the bamboo internode sections to the bamboo internode section processing device;

[0019] S3. The bamboo joint section processing device first cuts the ends of the bamboo joint sections, shaves out the intermediate shaving degree, and then planes the bamboo joint sections into bamboo shavings;

[0020] S4. The bamboo internode section processing device first cuts the ends of the bamboo internode sections, shaves out the intermediate shaving degree, and then planes the bamboo internode sections into bamboo shavings.

[0021] The present invention has the following advantages compared with the prior art:

[0022] 1. In the bamboo shaving unit preparation machine and method provided by the present invention, a segmented processing method is adopted. The bamboo is divided into bamboo joint sections and bamboo internode sections, and then gradient tip shaving treatment at both ends and arc-shaped tool-guided planing treatment are respectively carried out to make bamboo shavings. The preparation machine has the advantages of high overall processing efficiency and good quality of shaving units;

[0023] 2. The bamboo is processed into small units to avoid the influence of the tip shaving degree on the quality of planed sheets, and has the advantages of high utilization rate of bamboo, uniform thickness of bamboo shavings, good shape, etc.;

[0024] 3. Gradient tip shaving treatment is carried out at both ends of the bamboo tube, avoiding the cutting-in place of the hard and brittle bamboo skin. It has the advantages of small tool wear, long service life, low blade cost, etc. In addition, both ends of the bamboo shaving unit have a transition from thick to thin, which is beneficial to the inter-sheet flow and gluing connection during the board-making process;

[0025] 4. Arc-shaped tool-guided planing. The prepared chip unit is thick in the middle and thin at both sides, which increases the fluidity of the chip unit during the hot pressing process, improves the inter-chip transitional gluing property, has no cracks and is not easy to break. It is an excellent upgraded unit for preparing bamboo oriented strand board.

[0026] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Description of the Drawings

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0028] Figure 2 It is a schematic diagram of the structure of the truncating device and the shunting device of the present invention.

[0029] Figure 3 It is a schematic side view of the structure of the cutting mechanism of the present invention.

[0030] Figure 4 It is a schematic diagram of the structure of the second conveying mechanism of the present invention.

[0031] Figure 5 It is a schematic side view of the second conveying mechanism of the present invention.

[0032] Figure 6 It is a schematic diagram of the structure of the fixing mechanism of the present invention.

[0033] Figure 7 It is a schematic diagram of the state of the clamp clamping the bamboo tube of the present invention.

[0034] Figure 8 It is a schematic diagram of the structure of the cutting head mechanism and the planing mechanism on the conversion base of the present invention.

[0035] Description of the Reference Numerals:

[0036] 1 - Truncation device; 2 - Shunt device; 3 - Bamboo node segment processing device; 4 - Bamboo internode segment processing device; 5 - First conveyor table; 6 - First motor; 7 - First driving bevel gear; 8 - First driven wheel; 9 - First fixed rod; 10 - Cutting cylinder; 11 - Saw blade; 12 - Adjusting cylinder; 13 - Bamboo material distance sensor; 14 - Poking rod; 15 - Shunt cylinder; 16 - Ramp; 17 - Discharge opening; 18 - Second conveyor table; 19 - Second motor; 20 - Second driving bevel gear; 21 - Second driven wheel; 22 - Conveyor belt; 23 - Pushing block; 24 - Pushing spring; 25 - Main rotating cylinder; 26 - Main telescopic cylinder; 27 - Sub-rotating cylinder; 28 - Base; 29 - Sub-telescopic cylinder; 30 - L-shaped rod; 31 - Diagonal rod; 32 - First clamping rod; 33 - Second clamping rod; 34 - Positioning rod; 35 - First spring; 36 - First abutting member; 37 - Second spring; 38 - Second abutting member; 39 - Sleeve; 40 - Third spring; 41 - Tool distance sensor; 42 - Clamping teeth; 43 - Support table; 44 - Conversion cylinder; 45 - Mounting plate; 46 - Head-cutting motor; 47 - Head-cutting tool; 48 - Motor base; 49 - Planing motor; 50 - Worm; 51 - Worm gear; 52 - Connecting rod; 53 - Fixed plate; 54 - Planing tool; 55 - Material outlet; 56 - First driven bevel gear; 57 - First roller; 58 - Second driven bevel gear; 59 - Second fixed rod; 60 - Second roller; 61 - Planing tool base. Detailed implementation manners

[0037] As Figure 1 shown, the present invention provides a chordal bamboo chip unit preparation machine, including a truncation device 1, a shunt device 2, a bamboo node segment processing device 3 and a bamboo internode segment processing device 4. Among them, the truncation device 1 is used to cut bamboo materials into bamboo node segments and bamboo internode segments, and the shunt device 2 is used to separately convey the bamboo node segments and bamboo internode segments to the bamboo node segment processing device 3 and the bamboo internode segment processing device 4. Both the bamboo node segment processing device 3 and the bamboo internode segment processing device 4 include a second conveying mechanism, a fixing mechanism, a conversion base, a head-cutting mechanism and a planing mechanism. The head-cutting mechanism and the planing mechanism are both installed on the conversion base. Initially, the head-cutting mechanism faces the fixing mechanism. The second conveying mechanism is used to push the bamboo tube conveyed by the shunt device 2 onto the fixing mechanism. The fixing mechanism clamps the bamboo tube, and the head-cutting mechanism cuts the end of the bamboo tube to give the bamboo tube a certain tip taper. Then, the conversion base drives the planing mechanism to switch positions with the head-cutting mechanism, so that the planing mechanism faces the fixing mechanism and planes the bamboo tube to make bamboo chips.

[0038] Specifically, in some examples, as Figure 2As shown in the figure, the cutting device 1 includes a first conveying mechanism and a cutting mechanism. The first conveying mechanism includes a first conveying table 5, a first motor 6, a first driving bevel gear 7, a first driven bevel gear 56, a first driven wheel 8, a first fixing rod 9 and a first roller 57. Among them, the first conveying table 5 is arranged on the ground, the first motor 6 is installed on the first conveying table 5, the first driving bevel gear 7 is installed on the output shaft of the first motor 6, there are several first driven wheels 8 and they are equidistantly arranged on the first conveying table 5. The first driven bevel gear 56 is in transmission connection with any one of the first driven wheels 8 and meshes with the first driving bevel gear 7. The several first driven wheels 8 are in transmission connection with each other. There are several first fixing rods 9 and they are equidistantly arranged on the first conveying table 5. The first roller 57 is rotatably installed on the first fixing rod 9. The cutting mechanism is used to cut the bamboo on the first conveying table 5 when it moves to a predetermined position.

[0039] During cutting, the bamboo needs to be placed on the first driven wheel 8. Start the first motor 6 to drive the first driving bevel gear 7 to rotate, and then drive the first driven bevel gear 56 to rotate, and then drive the first driven wheel 8 to rotate. Since all the first driven wheels 8 are in transmission connection with each other, all the first driven wheels 8 will rotate synchronously, so that the bamboo follows the first driven wheel 8 to move. And during the movement of the bamboo, the first roller 57 on the first fixing rod 9 can limit the bamboo to prevent the bamboo from rolling randomly. And the distance between adjacent first rollers 57 is less than the length of the shortest bamboo section.

[0040] Preferably, in some examples, the outer surface of the first driven wheel 8 is provided with textures, which can increase the friction with the bamboo. At the same time, the first driven wheels 8 are arranged in an inverted V shape and cooperate with the first rollers 57 to clamp the bamboo in the middle, which can play a role in restricting the random movement of the bamboo and enable the bamboo to move to the cutting mechanism in a predetermined direction.

[0041] Specifically, in some examples, as Figure 3 shown, the cutting mechanism includes two cutting cylinders 10, saw blades 11 and a position sensing component. There are two cutting cylinders 10 and they are both installed on the first conveying table 5. There are two saw blades 11 and they are respectively connected to the telescopic rods of the two cutting cylinders 10. The position sensing component includes an adjusting cylinder 12 and a bamboo distance sensor 13. The adjusting cylinder 12 is fixedly installed on the first conveying table 5, and the bamboo distance sensor 13 is connected to the telescopic rod of the adjusting cylinder 12.

[0042] When cutting bamboo, the adjusting cylinder 12 first drives the bamboo distance sensor 13 to move to the position between the two saw blades 11. When the bamboo distance sensor 13 detects that the bamboo moves close, it sends a signal to the PLC. After receiving the signal, the adjusting cylinder 12 drives the bamboo distance sensor 13 to retract outside the two saw blades 11. At the same time, the telescopic rod of the cutting cylinder 10 extends, driving the saw blades 11 to approach the bamboo and cutting the bamboo into a section of bamboo tube.

[0043] Specifically, in some examples, the shunting device includes a shifting rod 14, a shunting cylinder 15 and a ramp 16. A blanking port 17 is formed on the first conveying table 5. The top of the ramp 16 is connected to the blanking port 17. The shunting cylinder 15 is installed on the first conveying table 5, and the shifting rod 14 is connected to the rotating end of the shunting cylinder 15.

[0044] Below a part of the blanking port 17 is directly opposite to the bamboo node section processing device 3, the top of the ramp 16 is connected to another part of the blanking port 17, and the bottom end is opposite to the bamboo intermediate section processing device 4. After the bamboo is cut into bamboo tubes, the bamboo node sections can directly fall from the blanking port 17 onto the bamboo node section processing device 3. When the bamboo intermediate section approaches the blanking port 17, the shunting cylinder 15 drives the shifting rod 14 to rotate, deflecting the bamboo intermediate section onto the ramp 16, so that the bamboo intermediate section slides down along the ramp 16 onto the bamboo intermediate section processing device 4.

[0045] It should be noted that when cutting bamboo, the distance between the two saw blades 11 can be adjusted according to the length of the bamboo and the distribution of bamboo nodes, so that after the bamboo is cut, it can form a form of one bamboo node section and one bamboo intermediate section, one bamboo node section and two bamboo intermediate sections, or one bamboo node section and multiple bamboo intermediate sections. Thereafter, the movement period of the shunting cylinder 15 is controlled so that when the bamboo intermediate section is cut, the shunting cylinder 15 can drive the shifting rod 14 to move in time to deflect it onto the ramp 16.

[0046] Specifically, in some examples, such as Figure 4 、 Figure 5As shown in the figure, the second conveying mechanism includes a second conveying platform 18, a second motor 19, a second driving bevel gear 20, a second driven bevel gear 58, a second driven wheel 21, a second fixed rod 59, a second roller 60, a conveyor belt 22, a pushing block 23 and a pushing spring 24. The second conveying platform 18 is arranged on the ground. The second motor 19 is installed on the second conveying platform 18. The second driving bevel gear 20 is installed on the output shaft of the second motor 19. There are several second driven wheels 21 which are arranged equidistantly on the second conveying platform 18. The second driven bevel gear 58 is in transmission connection with any one of the second driven wheels 21 and meshes with the second driving bevel gear 20. There are several second fixed rods 59 which are arranged equidistantly on the second conveying platform 18. The second roller 60 is rotatably installed on the second fixed rod 59. The conveyor belt 22 is wound around the second driven wheels 21. There are several pushing blocks 23 which are arranged equidistantly on the conveyor belt 22. The pushing spring 24 is installed on the pushing block 23.

[0047] When the second motor 19 is started, it can directly drive the second driving bevel gear 20 to rotate, and then drive the second driven bevel gear 58 to rotate, and then drive the second driven wheel 21 to rotate, so that the conveyor belt 22 moves synchronously. The pushing block 23 on the conveyor belt 22 can push the bamboo tube forward, which is convenient for subsequently clamping the bamboo tube on the fixing mechanism. The pushing spring 24 on the pushing block 23 can play a buffering role to protect the bamboo tube and the device itself, and avoid damage to the bamboo tube or the device itself during the pushing process. Moreover, during the movement of the bamboo material, the second roller 60 on the second fixed rod 59 can limit the bamboo material to prevent the bamboo material from rolling randomly.

[0048] Preferably, in some examples, the second driven wheels 21 are arranged in an inverted V shape, so that the conveyor belt 22 cooperates with the second rollers 60 to clamp the bamboo material in the middle, avoiding random movement of the bamboo material, and the distance between adjacent second rollers 60 is less than the length of the shortest bamboo section.

[0049] It should be noted that after the bamboo tube falls, it may press on the pushing block 23. Therefore, the top surface of the pushing block needs to be set as an inclined surface instead of a flat surface, so that when the bamboo tube moves to the fixing mechanism, the pushing block 23 behind the bamboo tube can continue to push the bamboo tube to clamp it on the fixing mechanism.

[0050] Specifically, in some examples, such as Figure 6 、 Figure 7As shown in the figure, the fixing mechanism includes a main rotary cylinder 25, a main telescopic cylinder 26, a secondary rotary cylinder 27 and a fixture. The main rotary cylinder 25 is arranged on the ground. The cylinder body of the main telescopic cylinder 26 is connected to the rotating end of the main rotary cylinder 25. The cylinder body of the secondary rotary cylinder 27 is connected to the telescopic rod of the main telescopic cylinder 26. The fixture includes a base 28, a secondary telescopic cylinder 29, an L-shaped rod 30, an inclined rod 31, a first clamping rod 32, a second clamping rod 33, a positioning rod 34, a first spring 35, a first abutting member 36, a second spring 37, a second abutting member 38, a sleeve 39, a third spring 40 and a tool distance sensor 41. The base 28 is connected to the rotating end of the secondary rotary cylinder 27. The secondary telescopic cylinder 29 is installed on the base 28. The L-shaped rod 30 is fixedly connected to the telescopic rod of the secondary telescopic cylinder 29. The sleeve 39 is sleeved on the telescopic rod of the secondary telescopic cylinder 29 and is fixed to the cylinder body of the secondary telescopic cylinder 29. The third spring 40 is sleeved on the sleeve 39. One end of the third spring 40 is fixed to the sleeve 39 and the other end is fixed to the L-shaped rod 30. The inclined rod 31 is fixedly connected to the L-shaped rod 30. The positioning rod 34 is fixedly connected to the L-shaped rod 30. The first clamping rod 32 and the second clamping rod 33 are fixedly connected and their connection part is rotatably arranged on the positioning rod 34. Clamping teeth 42 are arranged on the inner side surface of the first clamping rod 32. The first spring 35 and the second spring 37 are respectively arranged on the outer side surface and the inner side surface of the second clamping rod 33. The first abutting member 36 is arranged on the first spring 35. The second abutting member 38 is arranged on the second spring 37. The tool distance sensor 41 is installed on the first clamping rod 32.

[0051] When the second conveying mechanism conveys the bamboo tube to the fixing mechanism, the secondary telescopic cylinder 29 contracts, driving the L-shaped rods 30 to approach each other. The bamboo tube is pushed by the pushing block 23 in the second conveying mechanism, so that the bamboo tube is sleeved on the L-shaped rods 30. During this process, the inclined rod 31 can play a guiding role for the bamboo tube. When the bamboo tube contacts the inclined rod 31, under the thrust of the pushing block 23, it can slide along the inclined rod 31 and then be sleeved on the L-shaped rods 30. Subsequently, the secondary telescopic cylinder 29 drives the L-shaped rods 30 to open, so that the bamboo tube is firmly fixed on them.

[0052] Since the L-shaped rods 30 need to support the bamboo tube for subsequent head cutting and planing processing, the sleeve 39 and the third spring 40 are provided to reinforce the telescopic rod of the secondary telescopic cylinder 29 and extend the service life of the instrument.

[0053] During the process of sleeving the bamboo tube onto the L-shaped rod 30, the end of the bamboo tube will squeeze the first abutting member 36, and through the first spring 35, the second clamping rod 33 is squeezed. Since the second clamping rod 33 and the first clamping rod 32 are fixed to each other and their connection is hinged on the positioning rod 34, when the second clamping rod 33 is squeezed, the second clamping rod 33 and the first clamping rod 32 will rotate, causing the first clamping rod 32 to gradually approach the bamboo tube and clamping the bamboo tube from the outside through the clamping teeth 42 on the first clamping rod 32. When the second clamping rod 33 rotates, the second abutting member 38 presses against the L-shaped rod 30, and the second spring 37 will be compressed. After the bamboo tube is separated from the L-shaped rod 30, the second spring 37 can restore its deformation and drive the second clamping rod 33 and the first clamping rod 32 back to their original positions.

[0054] The initial position of the fixture is facing the second conveying mechanism. After the bamboo tube is clamped on the fixture, the main rotary cylinder 25 rotates, which can drive the fixture to turn so that it faces the conversion base on the other side. The main telescopic cylinder 26 can drive the fixture to gradually approach the conversion base while clamping the bamboo tube, and then process the bamboo tube through the cutting head mechanism or the planing mechanism on the conversion base. During the processing, the auxiliary rotary cylinder 27 can drive the fixture to rotate, and then drive the bamboo tube to rotate to cooperate with the processing. The tool distance sensor 41 can detect the distance from the tool to the first clamping rod 32, and then determine the feed amount of the main telescopic cylinder 26.

[0055] Specifically, in some examples, such as Figure 8 As shown, the conversion base includes a support table 43, a conversion cylinder 44, and a mounting plate 45. The support table 43 is set on the ground, the conversion cylinder 44 is installed on the support table 43, and the mounting plate 45 is connected to the rotating end of the conversion cylinder 44.

[0056] The cutting head mechanism and the planing mechanism are respectively installed on the top and bottom of the mounting plate 45. The cutting head mechanism on the top faces the fixture in the fixing mechanism. After the cutting head processing is completed, the conversion cylinder 44 can drive the mounting plate 45 to rotate, so that the planing mechanism and the cutting head mechanism exchange positions and continue to plane the bamboo tube.

[0057] Specifically, in some examples, the cutting head mechanism includes a cutting head motor 46 and a cutting tool 47. The cutting head motor 46 is installed on the mounting plate 45, and the cutting tool 47 is connected to the output shaft of the cutting head motor 46. After the cutting head motor 46 is started, it can directly drive the cutting tool 47 to rotate and cut the end of the bamboo tube.

[0058] Specifically, in some examples, the planing mechanism includes a motor base 48, a planing motor 49, a worm 50, a worm gear 51, a connecting rod 52, a fixing plate 53, a planer base 61 and a planer 54. The motor base 48 is fixedly connected to the mounting plate 45. The planing motor 49 is installed on the motor base 48. The fixing plate 53 is fixedly connected to the motor base 48. The worm 50 is rotatably installed on the fixing plate 53 and is connected to the output shaft of the planing motor 49. The worm gear 51 is rotatably installed on the fixing plate 53 and meshes with the worm 50. The middle of the connecting rod 52 is drivingly connected to the worm gear 51. There are two planer bases 61, which are respectively installed at both ends of the connecting rod 52. A material outlet 55 is provided on the planer base 61. There are two planers 54, which are respectively installed on the planer bases 61.

[0059] After the planing motor 49 is started, it can directly drive the worm 50 to rotate. The worm 50 further drives the meshing worm gear 51 to rotate, so that the connecting rod 52 drivingly connected to the worm gear 51 rotates, driving the planer base 61 to rotate, and further causing the planer 54 to rotate accordingly to plane the bamboo tube. And during the planing process, the planed bamboo slices can be sent out in time from the material outlet 55.

[0060] Preferably, the planer 54 uses an arc-shaped blade. When planing, the cutting edge of the planer 54 obliquely cuts the side wall of the bamboo tube. The material outlet is located at the connection between the planer 54 and the planer base 61 and is in a shape of a straight line.

[0061] It should be noted that when the planing mechanism is planing, it is necessary for the auxiliary rotary cylinder 27 to drive the bamboo tube to rotate to convert the angle, and the rotation angle is calculated according to the width of the required bamboo slices. The calculation method is: (circumference of the bamboo tube / width of the target bamboo slice) × 360°.

[0062] Preferably, in the present invention, the materials of the planers 54 used in the bamboo node section processing device 3 and the bamboo internode section processing device 4 are different. The material of the planer 54 corresponding to the bamboo node section is hard alloy steel, and the material of the planer 54 corresponding to the bamboo internode section is high-speed steel. And when the planer 54 in the bamboo node section processing device 3 is planing, the cutting-in angle is 45° to 60°, and when the planer 54 in the bamboo internode section 4 processing device is planing, the cutting-in angle is 30° to 45°.

[0063] The present invention also provides a method for preparing a bamboo slice unit based on the above-mentioned mechanical device for preparing a chordal bamboo slice unit, including the following steps:

[0064] S1. Cutting the bamboo into bamboo sections and bamboo inter-sections by the cutting device 1, specifically: placing the bamboo on the first conveying platform 5, starting the first motor 6, so that the first driven wheel 8 rotates, driving the bamboo to move, gradually approaching the saw blade 11, and at the same time, the regulating cylinder 12 drives the bamboo distance sensor 13 to move to the middle of the two saw blades 11, when the bamboo distance sensor 13 detects that the bamboo is about to contact the bamboo distance sensor 13, the regulating cylinder 12 drives the bamboo distance sensor 13 to retract, and the cutting cylinder 10 extends, pushing the saw blade 11 to cut the bamboo into bamboo tubes;

[0065] S2, conveying the bamboo segment to the bamboo segment processing device 3 and conveying the bamboo inter-segment to the bamboo inter-segment processing device 4 through the diverter device 2, specifically: after the bamboo material is cut into bamboo tubes, taking one bamboo segment and one bamboo inter-segment as an example, the cut bamboo segment continues to move to the drop port 17 and falls onto the bamboo segment processing device 3, and the bamboo tube thereafter is the bamboo inter-segment. At this time, the diverter cylinder 15 drives the lever 14 to rotate, and moves the bamboo inter-segment bamboo tube onto the slope 16, and slides along the slope 16 to the bamboo inter-segment processing device, and then the diverter cylinder 15 drives the lever 14 to return to its original position and remain stationary until the next bamboo segment bamboo tube falls, and the lever 14 moves again to move the next bamboo inter-segment bamboo tube, and so on;

[0066] S3, the bamboo segment processing device 3 first cuts the end of the bamboo segment, and after cutting out the interval, the bamboo segment is planed into bamboo chips. Specifically, after the bamboo segment bamboo tube falls onto the second conveying platform 18 in the corresponding fixing mechanism, the second motor 19 is started to drive the conveyor belt 22 to move, and drive the bamboo tube to gradually move toward the clamp, and the bamboo tube is pushed by the pushing block 23 so that the bamboo tube is clamped between the L-shaped rod 30 and the first clamping rod 32, and then the main rotating cylinder 25 rotates to drive the bamboo tube to turn to the cutting mechanism, and then the cutting motor 46 is started to drive the cutting knife 47 to rotate, and the main telescopic cylinder 26 extends to drive the bamboo tube to approach the cutting knife 47. At the same time, the auxiliary rotating cylinder 27 drives the bamboo tube to rotate, and then the cutting knife 47 is used to cut the end of the bamboo tube. Cutting is performed until the bamboo tube is cut to a certain sharpness, the main telescopic cylinder 26 retracts, the conversion cylinder 44 drives the mounting plate 45 to rotate, so that the cutting head mechanism and the planing mechanism exchange positions, and then the planing motor 49 is started to drive the planer 54 to rotate, the main telescopic cylinder 26 extends again, so that the bamboo tube is close to the planer 54, and at the same time the auxiliary rotating cylinder 27 drives the bamboo tube to rotate, and the bamboo tube is cut into bamboo chips by the planer 54. After completion, the main telescopic cylinder 26 retracts, the auxiliary rotating cylinder 27 stops rotating, the conversion cylinder 44 drives the cutting head mechanism and the planing mechanism to exchange positions again, the auxiliary telescopic cylinder 29 retracts, so that the bamboo tube falls off the fixture, and then the main rotating cylinder 25 drives the fixture to rotate back to its original position, waiting for the next bamboo tube;

[0067] S4. The bamboo section processing device 4 first cuts the end of the bamboo section. After cutting out the taper, it then planed the bamboo section into bamboo chips. Specifically, after the bamboo section bamboo tube falls onto the second conveyor table 18 in the corresponding fixing mechanism, the second motor 19 is started to drive the conveyor belt 22 to move, driving the bamboo tube to gradually move towards the fixture direction. The bamboo tube is pushed by the pushing block 23 so that the bamboo tube is clamped between the L-shaped rod 30 and the first clamping rod 32. Then the main rotating cylinder 25 rotates to drive the bamboo tube to turn towards the cutting head mechanism. Then the cutting head motor 46 is started to drive the cutting tool 47 to rotate. The main telescopic cylinder 26 extends to drive the bamboo tube close to the cutting tool 47. At the same time, the auxiliary rotating cylinder 27 drives the bamboo tube to rotate. Then the end of the bamboo tube is cut by the cutting tool 47 until the bamboo tube is cut to a certain taper. Then the main telescopic cylinder 26 retracts. The conversion cylinder 44 drives the mounting plate 45 to rotate, so that the cutting head mechanism and the planing mechanism exchange positions. Then, the planing motor 49 is started to drive the planing tool 54 to rotate. The main telescopic cylinder 26 extends again to make the bamboo tube close to the planing tool 54. At the same time, the auxiliary rotating cylinder 27 drives the bamboo tube to rotate. The bamboo tube is cut into bamboo chips by the planing tool 54. After completion, the main telescopic cylinder 26 retracts, the auxiliary rotating cylinder 27 stops rotating, the conversion cylinder 44 drives the cutting head mechanism and the planing mechanism to exchange positions again, and the auxiliary telescopic cylinder 29 retracts to make the bamboo tube fall off the fixture. Then the main rotating cylinder 25 drives the fixture to rotate back to the original position and waits for the next bamboo tube.

[0068] The above is only a preferred embodiment of the present invention and does not impose any limitation on the present invention. Any simple modification, change and equivalent change made to the above embodiments according to the technical essence of the invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. A mechanical device for preparing chordwise bamboo chip units, characterized in that: It includes a truncating device, a shunting device, a bamboo node segment processing device and a bamboo internode segment processing device. The truncating device is used to cut bamboo into bamboo node segments and bamboo internode segments. The shunting device is used to separately convey the bamboo node segments and the bamboo internode segments to the bamboo node segment processing device and the bamboo internode segment processing device respectively. Both the bamboo node segment processing device and the bamboo internode segment processing device include a second conveying mechanism, a fixing mechanism, a conversion base, a head-cutting mechanism and a planing mechanism. The head-cutting mechanism and the planing mechanism are both installed on the conversion base; The fixing mechanism includes a main rotary cylinder, a main telescopic cylinder, a secondary rotary cylinder and a clamp. The main rotary cylinder is arranged on the ground. The cylinder body of the main telescopic cylinder is connected to the rotating end of the main rotary cylinder. The cylinder body of the secondary rotary cylinder is connected to the telescopic rod of the main telescopic cylinder. The clamp includes a base, a secondary telescopic cylinder, an L-shaped rod, an inclined rod, a first clamping rod, a second clamping rod, a positioning rod, a first spring, a first abutting member, a second spring, a second abutting member, a sleeve, a third spring and a tool distance sensor. The base is connected to the rotating end of the secondary rotary cylinder. The secondary telescopic cylinder is installed on the base. The L-shaped rod is fixedly connected to the telescopic rod of the secondary telescopic cylinder. The sleeve is sleeved on the telescopic rod of the secondary telescopic cylinder and is fixed to the cylinder body of the secondary telescopic cylinder. The third spring is sleeved on the sleeve. One end of the third spring is fixed to the sleeve and the other end is fixed to the L-shaped rod. The inclined rod is fixedly connected to the L-shaped rod. The positioning rod is fixedly connected to the L-shaped rod. The first clamping rod and the second clamping rod are fixedly connected and their connection part is rotatably connected to the positioning rod. Clamping teeth are arranged on the inner side surface of the first clamping rod. The first spring and the second spring are respectively connected to the outer side surface and the inner side surface of the second clamping rod. The first abutting member is connected to the first spring. The second abutting member is connected to the second spring. The tool distance sensor is installed on the first clamping rod.

2. The mechanical device for preparing chordwise bamboo shaving units according to claim 1, characterized in that: The truncating device includes a first conveying mechanism and a cutting mechanism. The first conveying mechanism includes a first conveying table, a first motor, a first driving bevel gear, a first driven bevel gear, a first driven wheel, a first fixing rod and a first roller. The first conveying table is arranged on the ground. The first motor is installed on the first conveying table. The first driving bevel gear is installed on the output shaft of the first motor. There are several first driven wheels which are arranged equidistantly on the first conveying table. The first driven bevel gear is in transmission connection with any one of the first driven wheels and meshes with the first driving bevel gear. The several first driven wheels are in transmission connection with each other. There are several first fixing rods which are arranged equidistantly on the first conveying table. The first roller is rotatably installed on the first fixing rod. The cutting mechanism is used to truncate the bamboo moving to a predetermined position on the first conveying table. The cutting mechanism includes a cutting cylinder, a saw blade and a position sensing component. There are two cutting cylinders which are both installed on the first conveying table. There are two saw blades which are respectively connected to the telescopic rods of the two cutting cylinders. The position sensing component includes an adjusting cylinder and a bamboo distance sensor. The adjusting cylinder is fixedly installed on the first conveying table. The bamboo distance sensor is connected to the telescopic rod of the adjusting cylinder.

3. The mechanical device for preparing chordwise bamboo shaving units according to claim 2, wherein: The shunting device includes a shifting rod, a shunting cylinder and a ramp. A blanking port is formed in the first conveyor table. The top end of the ramp is connected to the blanking port. The shunting cylinder is installed on the first conveyor table, and the shifting rod is connected to the rotating end of the shunting cylinder.

4. A mechanical device for preparing chordal bamboo shaving units according to claim 1, characterized in that: The second conveying mechanism includes a second conveyor table, a second motor, a second driving bevel gear, a second driven bevel gear, second driven wheels, second fixing rods, second rollers, a conveyor belt, a pushing block and a pushing spring. The second conveyor table is arranged on the ground. The second motor is installed on the second conveyor table. The second driving bevel gear is installed on the output shaft of the second motor. There are several second driven wheels which are arranged equidistantly on the second conveyor table. The second driven bevel gear is in transmission connection with any one of the second driven wheels and meshes with the second driving bevel gear. There are several second fixing rods which are arranged equidistantly on the second conveyor table. The second rollers are rotatably installed on the second fixing rods. The conveyor belt is wound around the second driven wheels. There are several pushing blocks which are arranged equidistantly on the conveyor belt. The pushing spring is installed on the pushing block.

5. A mechanical device for preparing chordal bamboo shaving units according to claim 1, characterized in that: The conversion base includes a support table, a conversion cylinder and a mounting plate. The support table is arranged on the ground. The conversion cylinder is installed on the support table. The mounting plate is connected to the rotating end of the conversion cylinder.

6. A mechanical device for preparing chordal bamboo chips according to claim 1, characterized in that: The head-cutting mechanism includes a head-cutting motor and a cutting tool. The head-cutting motor is installed on the mounting plate. The cutting tool is connected to the output shaft of the head-cutting motor.

7. A mechanical device for preparing chordal bamboo chips according to claim 1, characterized in that: The planing mechanism includes a motor base, a planing motor, a worm, a worm gear, a connecting rod, a fixing plate, a planing tool base and planing tools. The motor base is fixedly connected to the mounting plate. The planing motor is installed on the motor base. The fixing plate is fixedly connected to the motor base. The worm is rotatably installed on the fixing plate and is connected to the output shaft of the planing motor. The worm gear is rotatably installed on the fixing plate and meshes with the worm. The middle of the connecting rod is in transmission connection with the worm gear. There are two planing tool bases which are respectively installed at both ends of the connecting rod. A material outlet is formed in the planing tool base. There are two planing tools which are respectively installed on the planing tool bases.

8. A mechanical device for preparing chordal bamboo chips according to claim 7, characterized in that: When the planing tool in the bamboo node section processing device performs planing, the cutting-in angle is 45° to 60°. When the planing tool in the bamboo internode section processing device performs planing, the cutting-in angle is 30° to 45°.

9. A preparation method of a bamboo shaving unit, characterized in that: Manufacturing is carried out by using the chordal bamboo shaving unit preparation machine according to any one of claims 1-8, including the following steps: S1. Cut the bamboo into bamboo node sections and bamboo internode sections through a truncating device; S2. Convey the bamboo node sections to the bamboo node section processing device through the shunting device, and convey the bamboo internode sections to the bamboo internode section processing device; S3. The bamboo node section processing device first cuts the end of the bamboo node section to cut out the intermediate cutting degree, and then planes the bamboo node section into bamboo shaving slices; S4. The bamboo internode section processing device first cuts the end of the bamboo internode section to cut out the intermediate cutting degree, and then planes the bamboo internode section into bamboo shaving slices.

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