CN111972251B - Rubber tapping machine and rubber tapping method - Google Patents
Rubber tapping machine and rubber tapping method Download PDFInfo
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- CN111972251B CN111972251B CN201910426269.9A CN201910426269A CN111972251B CN 111972251 B CN111972251 B CN 111972251B CN 201910426269 A CN201910426269 A CN 201910426269A CN 111972251 B CN111972251 B CN 111972251B
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- guide rail
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- tapping machine
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G23/00—Forestry
- A01G23/10—Tapping of tree-juices, e.g. caoutchouc, gum
- A01G23/12—Knives or axes for tapping
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G23/00—Forestry
- A01G23/10—Tapping of tree-juices, e.g. caoutchouc, gum
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Harvester Elements (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
The invention discloses a tapping machine and a tapping method, wherein the tapping machine comprises an upper deformable guide rail and a lower deformable guide rail, a chute is formed between the inner wall and the outer wall of the deformable guide rail, and teeth are arranged on the outer side of the outer wall; the rubber tapping machine also comprises a longitudinal guide rail, an upper guide rail frame and a lower guide rail frame are respectively arranged at two ends of the longitudinal guide rail, an inner groove and a transverse limiting wheel are arranged on the guide rail frame, a gear in the guide rail frame is meshed with teeth on the outer wall of the deformable guide rail, and the transverse limiting wheels are embedded into corresponding sliding grooves on the deformable guide rail; in addition, a lead screw is arranged between the upper guide rail frame and the lower guide rail frame, one end of the lead screw is fixedly connected with motor teeth of the motor I, and the other end of the lead screw is fixedly connected with a driving gear; the rubber tapping machine also comprises a tool rest assembly sleeved on the longitudinal guide rail and the screw rod. The rubber tapping machine disclosed by the invention can be suitable for trunks with different thickness shapes by using the deformable guide rail, and can be firmly fixed on the trunks by being matched with the tightening belt, and in addition, the deformable guide rail also plays a role in transmission in the rubber tapping process.
Description
Technical Field
The invention relates to the field of agricultural machinery, in particular to a rubber tapping machine and a rubber tapping method for cutting bark of a rubber tree in the field.
Background
Since people find that natural rubber can be collected from rubber trees, a method for enabling rubber barks to form a gumming slideway is always to cut by manually holding a rubber tapping knife; although electric tapping knives have been developed recently, manual hand-held operation is still required.
Chinese patent application CN104429813a discloses a tapping machine, which comprises a binding tree fixing frame and two annular planetary gear shells respectively mounted at the upper and lower ends of the binding tree fixing frame, wherein a vector moving knife rest assembly is arranged between the two planetary gear shells; a gear shaft is arranged on the vector moving tool rest assembly, and a motor and a rubber tapping tool rest with a gear rack are arranged in the vector moving tool rest assembly; the rubber tapping knife rest is internally provided with a rubber tapping knife assembly, the top end of the rubber tapping knife assembly is connected with a screw rod, and the screw rod is rotated to enable the rubber tapping knife assembly to move up and down in the rubber tapping knife rest. The shape of the annular planetary gear shell of the rubber tapping machine is fixed, the shape cannot be adjusted according to the thickness of the rubber trunk, and if the rubber trunk is thinner, the force arm between the rubber tapping cutter assembly and the rubber trunk is longer, and tapping is laborious and has poor effect; the rubber tapping knife rest adopts a gear-rack transmission mode, so that the failure rate is high and the installation is troublesome; in addition, the cutter head of the rubber tapping machine is fixed in position, the surface of the rubber bark is irregular, and the rubber tapping machine can not cut the surface concave part of the rubber bark in the rubber tapping process due to the structure, and can be easily blocked by the surface convex part of the rubber bark, so that the problem of continuous cutting of the surface of the irregular rubber bark can not be well solved.
Chinese patent application CN107711410a discloses a tapping machine and a tapping method, which solves the problem of fixing the tapping machine on trunks with different thicknesses by using a flexible guide rail, but the stability in the tapping process of the whole machine needs to be improved.
Disclosure of Invention
The invention aims to solve the technical problem of providing a tapping machine and a tapping method which can be firmly fixed on different trunks and can stably and uniformly cut.
In order to solve the technical problems, the invention adopts the following technical scheme:
in a tapping machine, the improvement comprising: the rubber tapping machine comprises an upper deformable guide rail and a lower deformable guide rail, a sliding groove is formed between the inner wall and the outer wall of the deformable guide rail, and teeth are arranged on the outer side of the outer wall; the rubber tapping machine also comprises a longitudinal guide rail, wherein an upper guide rail frame and a lower guide rail frame are respectively arranged at two ends of the longitudinal guide rail, an inner groove and a transverse limiting wheel are arranged on the guide rail frames, the upper deformable guide rail and the lower deformable guide rail are respectively inserted into the inner grooves of the upper guide rail frame and the lower guide rail frame, so that gears in the guide rail frames are meshed with teeth on the outer walls of the deformable guide rails, and the transverse limiting wheels are embedded into corresponding sliding grooves on the deformable guide rails; in addition, a lead screw is arranged between the upper guide rail frame and the lower guide rail frame, one end of the lead screw is fixedly connected with motor teeth of the motor I, and the other end of the lead screw is fixedly connected with a driving gear; the rubber tapping machine also comprises a tool rest assembly sleeved on the longitudinal guide rail and the screw rod.
Further, the deformable guide rail is divided into an inner wall and an outer wall, the inner wall is of a space segmented structure, and each segment of the outer wall and each segment of the inner wall are connected into a whole.
Furthermore, the interval segments of the inner wall of the deformable guide rail are equally spaced uniform segments or regularly spaced multiple segments.
Further, the inner wall surface of the deformable guide rail is provided with convex nails.
Further, the top and the bottom of the groove in the guide rail frame are respectively provided with more than two transverse limiting wheels.
Further, the top and the bottom of the groove in the guide rail frame are respectively provided with more than two longitudinal limit sliding blocks.
Further, motor teeth and a driving gear in the upper and lower guide rail frames are respectively meshed with teeth on the two deformable guide rails in a multi-stage gear transmission mode.
Further, one end of the tool rest assembly is sleeved on the screw rod through a nut, the other end of the tool rest assembly penetrates through the longitudinal guide rail and can slide up and down along the longitudinal guide rail, a ratchet wheel and an angle fixing positioning block which can rotate synchronously with the nut are fixedly installed outside the nut, a tool rest seat and a linear displacement sliding block with a spring reset piece are arranged on the tool rest assembly, a motor II is fixedly installed on the tool rest seat, a power wheel with a notch clamping groove is installed on a power output shaft of the motor II, a rubber cutting knife assembly is installed at one end of the linear displacement sliding block, the edge of the other end of the linear displacement sliding block is in contact with the power wheel, in addition, a flexible pawl is installed at a position, opposite to the ratchet wheel, on the linear displacement sliding block, and a positioning end face is arranged at a position interval opposite to the angle fixing positioning block.
Further, the number of teeth on the ratchet wheel is more than 3.
Further, the rubber tapping knife assembly comprises a knife head swing arm hinged with the knife rest seat, a torsion spring is arranged on a column protrusion at one end of the knife head swing arm, the torsion spring is connected with the linear displacement sliding block through a steel wire, one end of the knife head swing arm is connected with a knife depth limiting piece, and a rubber tapping knife blade is fixed on the knife depth limiting piece.
Furthermore, the knife depth limiting piece is connected with the knife head swing arm through a lockscrew, and the knife depth limiting piece can swing freely at multiple angles.
Further, the knife depth limiting piece is provided with a limiting part and a guiding part.
In the rubber tapping method, the rubber tapping machine is used, and the improvement is that the rubber tapping method comprises the following steps:
(1) Fixing: hooping the upper and lower deformable guide rails of the rubber tapping machine on a rubber tree, and tensioning the two ends of the deformable guide rails by using a tightening belt to fix the rubber tapping machine on the rubber trunk;
(2) And (3) placing a cutter: starting a motor II to enable a power wheel to rotate clockwise, and enabling a notch clamping groove on the power wheel to pull a linear displacement sliding block to reset so that a rubber tapping knife assembly stretches out and abuts against rubber barks;
(3) Rubber tapping: the motor I is started to drive the motor teeth, the lead screw and the driving gear to rotate clockwise, so that the upper guide rail frame and the lower guide rail frame respectively move clockwise and synchronously along the upper deformable guide rail and the lower deformable guide rail where the upper guide rail frame and the lower guide rail frame are positioned, and meanwhile, the tool rest assembly moves from bottom to top along the lead screw due to the transmission of the lead screw, and the two vectors are overlapped to form a spiral rubber tapping process from bottom to top;
(4) And (5) retracting: when the upper guide rail frame and the lower guide rail frame move to the tail end of the deformable guide rail where the upper guide rail frame and the lower guide rail frame are positioned, the motor I is closed, the motor II is started to rotate reversely to enable the power wheel to rotate anticlockwise, a notch clamping groove on the power wheel clamps the edge of the linear displacement sliding block and pushes forward to enable the rubber cutting knife assembly to retract and separate from rubber bark, meanwhile, a spring pawl on the power wheel drives a ratchet wheel to rotate in the process that the power wheel pushes forward the linear displacement sliding block, and the ratchet wheel rotates to drive the fixed angle positioning block and the nut to rotate, so that the tool rest assembly moves downwards along the screw rod for a set distance;
(5) Backhaul: the motor I is started to drive the motor teeth, the lead screw and the driving gear to rotate anticlockwise, so that the upper guide rail frame and the lower guide rail frame synchronously move anticlockwise along the upper deformable guide rail and the lower deformable guide rail where the upper guide rail frame and the lower guide rail frame are respectively positioned, and meanwhile, the tool rest assembly moves from top to bottom along the lead screw due to the transmission of the lead screw, and vectors of the upper guide rail frame and the lower guide rail frame are overlapped to form a spiral return stroke from top left to bottom right;
(6) Repeating the steps (2) - (5) until the whole tapping process is finished.
Further, in the step (2), the linear displacement sliding block resets and simultaneously tightens the steel wire to drive the torsion spring to bear force, and the cutter head swing arm stretches out; in the step (4), the linear displacement sliding block is pushed forward to loosen the steel wire pulling the torsion spring, the torsion spring is not stressed, and the cutter head swing arm is retracted.
The beneficial effects of the invention are as follows:
the rubber tapping machine disclosed by the invention can be suitable for trunks with different thickness shapes by using the deformable guide rail, and can be firmly fixed on the trunks by being matched with the tightening belt, and in addition, the deformable guide rail also plays a role in transmission in the rubber tapping process. The outer wall of the deformable guide rail is of a complete integral structure, the inner wall of the deformable guide rail is of a spacing sectional structure, and the sectional structure is favorable for uniform integral deformation, so that the rigidity of the inner wall is ensured, and the whole guide rail can be deformed at different angles. The inner wall of the deformable guide rail is provided with convex nails, so that the guide rail is favorable for grasping the trunk surface.
The rubber tapping machine disclosed by the invention has the advantages that the vertical and horizontal directions between the deformable guide rail and the upper and lower guide rail frames are limited, so that the stability and the practicability of the rubber tapping machine in the rubber tapping process are greatly improved, and specifically: the transverse limiting wheels are embedded into the sliding grooves of the deformable guide rail, so that the guide rail frame can be prevented from being separated, the transverse displacement between the upper and lower guide rail frames and the deformable guide rail can be limited, and the longitudinal limiting sliding blocks can not only play a role in reducing friction force between the sliding grooves and the upper and lower guide rail frames, but also play a limiting role in the vertical direction of the whole deformable guide rail.
According to the tapping machine disclosed by the invention, as the trunk is not completely round, the knife depth limiting piece can continuously change the swinging angle along with the tree shape, so that the cutting blade is always perpendicular to the circle center, and the uniform cutting depth is ensured. Otherwise, the blade cannot cut when encountering the concave part and the convex part, and the blade cuts too deeply, so that the blade is damaged and the rubber tree is damaged. The cutting depth of different rubber trees can be controlled by adjusting the distance that the cutting blade extends out of the cutter depth limiting piece.
According to the rubber tapping machine disclosed by the invention, the power wheel, the linear displacement sliding block, the ratchet wheel and the fixed angle positioning block are arranged on the cutter frame seat, so that the cutter frame assembly automatically moves downwards for a set distance after each cutting is finished, and the cutter frame assembly is kept stationary after moving downwards until the next cutting process is finished. The rotation angle of the ratchet wheel is determined by the number of the teeth on the ratchet wheel, the positioning is realized by the superposition of the positioning end surface on the linear displacement slide block and the end surface of the fixed angle positioning block on one side of the ratchet wheel, and the ratchet wheel is meshed with the lead screw through the nut, so that the ratchet wheel can drive the whole tool rest assembly to move downwards by rotating.
According to the rubber tapping method disclosed by the invention, the vector superposition rubber tapping process from the lower right to the upper left and the vector superposition return process from the upper left to the lower right can be completed through one motor, the rubber tapping rule of rubber trees is met, and the downward movement of the tool rest assembly is completed while the tool is retracted, so that the rubber tapping method is simple and convenient.
Drawings
Fig. 1 is a schematic diagram I of a tapping machine according to embodiment 1 of the present invention;
fig. 2 is a schematic diagram II of a tapping machine according to embodiment 1 of the present invention;
FIG. 3 is a schematic view I of a part of a carriage assembly of a tapping machine according to embodiment 1 of the present invention;
FIG. 4 is a schematic view II of a part of the carriage assembly of the tapping machine according to embodiment 1 of the present invention;
FIG. 5 is a schematic view showing a part of the construction of a rubber cutter assembly in the rubber cutter disclosed in embodiment 1 of the present invention;
fig. 6 is a schematic view showing the structure of a deformable guide rail of a tapping machine according to embodiment 1 of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In the embodiment 1, as shown in fig. 1 and 2, the embodiment discloses a tapping machine, which comprises an upper deformable guide rail 1 and a lower deformable guide rail 1, wherein a chute 2 is formed between the inner wall and the outer wall of the deformable guide rail, and teeth 3 are arranged on the outer side of the outer wall of the deformable guide rail 1; the rubber tapping machine also comprises a longitudinal guide rail 4, an upper guide rail frame 5 and a lower guide rail frame 5 are respectively arranged at two ends of the longitudinal guide rail 4, an inner groove is formed in the guide rail frame 5, an upper deformable guide rail 1 and a lower deformable guide rail 1 are respectively inserted into the inner grooves of the upper guide rail frame 5 and the lower guide rail frame 5, so that gears in the guide rail frame 5 are meshed with teeth 3 on the outer wall of the deformable guide rail, a transverse limiting wheel 6 and a longitudinal limiting slide block 13 are respectively arranged on the upper guide rail frame and the lower guide rail frame, the transverse limiting wheel 6 is embedded into a corresponding chute 2 on the deformable guide rail, and the longitudinal limiting slide block 13 is contacted with the edge of the outer wall of the deformable guide rail; in addition, a lead screw 7 is arranged between the upper guide rail frame 5 and the lower guide rail frame 5, one end of the lead screw 7 is fixedly connected with motor teeth of a motor I8, and the other end is fixedly connected with a driving gear; the motor teeth and the driving gear in the upper and lower guide rail frames 5 are respectively meshed with the teeth on the two deformable guide rails in a multi-stage gear transmission mode, driven gears can be arranged in the upper and lower guide rail frames, the transmission between the guide rail frames and the deformable guide rails is ensured to be more stable, and the tapping machine further comprises a tool rest assembly sleeved on the longitudinal guide rail 4 and the screw rod 7. As shown in fig. 1-4, one end of the tool rest assembly is sleeved on the screw rod 7 through a nut, the other end passes through the longitudinal guide rail 4 and can slide up and down along the longitudinal guide rail, a ratchet wheel 10 and a fixed angle positioning block 11 which can rotate synchronously with the nut are fixedly arranged outside the nut, a tool rest seat and a linear displacement sliding block 12 with a spring reset piece 17 are arranged on the tool rest assembly, a motor II9 is fixedly arranged on the tool rest seat, a power wheel 14 with a notch clamping groove is arranged on a power output shaft of the motor II9, a rubber cutting knife assembly is arranged at one end of the linear displacement sliding block 12, the edge of the other end of the linear displacement sliding block 12 is contacted with the power wheel 14, in addition, a spring pawl 15 is arranged at a position opposite to the ratchet wheel 10 on the linear displacement sliding block 12, and a positioning end face 16 is arranged at intervals at a position opposite to the fixed angle positioning block 11. In this embodiment, the number of teeth on the ratchet 10 is 4, the fixed angle positioning block 11 is in a four-sided rounded angle shape, the positioning end faces on the linear displacement slide block 12 are 2, when the power wheel 14 rotates anticlockwise, when the edge of the linear displacement slide block 12 falls into the notch clamping groove of the power wheel 14, the linear displacement slide block 12 is pushed out, the elastic pawl 15 toggles the teeth on the ratchet, the ratchet 10 and the fixed angle positioning block 11 rotate for 90 degrees, after rotating in place, one end face of the fixed angle positioning block 11 coincides with one positioning end face 16 on the linear displacement slide block 12, and meanwhile, as the nut inside the ratchet is meshed with the lead screw 7, the whole tool rest assembly is driven to move downwards by a distance unit along the longitudinal guide rail 4 and the lead screw 7 in the rotating process of the ratchet 10; when the power wheel 14 rotates clockwise, the edge of the linear displacement slide block 12 falls into a notch clamping groove of the power wheel 14 under the action of the spring reset piece 17, the power wheel 14 pulls the linear displacement slide block 12 back, the spring pawl 15 can not stir the teeth on the ratchet wheel 10, and the ratchet wheel 10 and the fixed angle positioning block 11 are all fixed in place.
As shown in fig. 1 and 5, in this embodiment, the tapping knife assembly includes a knife head swing arm 18 hinged to a knife rest seat, a torsion spring 19 is disposed on a stud at one end of the knife head swing arm, and the torsion spring 19 is connected to a linear displacement slide 12 through a steel wire, one end of the knife head swing arm 18 is connected to a knife depth limiter 20, a limit portion 23 and a guide portion 22 are disposed on the knife depth limiter 20, the knife depth limiter 20 is connected to the knife head swing arm 18 through a locking screw, a tapping blade 21 is fixed on the knife depth limiter 20, a cutting depth adjusting hole is formed on the tapping blade 21, and the tapping blade 21 is fixed on the knife depth limiter 20 through a screw passing through the depth adjusting hole.
As shown in fig. 6, in this embodiment, the deformable guide rail is divided into an inner wall and an outer wall, the outer wall is a complete integral body, the inner wall is of a space segmented structure, each segment of the outer wall and each segment of the inner wall are connected into a whole, and the segments of the inner wall can be equally spaced uniform segments or unequal, but equally spaced space segments are more beneficial to deformation uniformity. The studs 24 are provided on the inner wall of the deformable rail for gripping the trunk, or the inner wall may be directly formed as a textured non-slip roughened surface.
The embodiment also discloses a tapping method, which uses the tapping machine and comprises the following steps:
(1) Fixing: hooping the upper and lower deformable guide rails of the rubber tapping machine on a rubber tree, and tensioning the two ends of the deformable guide rails by using a tightening belt to fix the rubber tapping machine on the rubber trunk;
(2) And (3) placing a cutter: starting a motor II to enable a power wheel to rotate clockwise, and enabling a notch clamping groove on the power wheel to pull a linear displacement sliding block to reset so that a rubber tapping knife assembly stretches out and abuts against rubber barks;
(3) Rubber tapping: the motor I is started to drive the motor teeth, the lead screw and the driving gear to rotate clockwise, so that the upper guide rail frame and the lower guide rail frame respectively move clockwise and synchronously along the upper deformable guide rail and the lower deformable guide rail where the upper guide rail frame and the lower guide rail frame are positioned, and meanwhile, the tool rest assembly moves from bottom to top along the lead screw due to the transmission of the lead screw, and the two vectors are overlapped to form a spiral rubber tapping process from bottom to top;
(4) And (5) retracting: when the upper guide rail frame and the lower guide rail frame move to the tail end of the deformable guide rail where the upper guide rail frame and the lower guide rail frame are positioned, the motor I is closed, the motor II is started to rotate reversely to enable the power wheel to rotate anticlockwise, a notch clamping groove on the power wheel clamps the edge of the linear displacement sliding block and pushes forward to enable the rubber cutting knife assembly to retract and separate from rubber bark, meanwhile, a spring pawl on the power wheel drives a ratchet wheel to rotate in the process that the power wheel pushes forward the linear displacement sliding block, and the ratchet wheel rotates to drive the fixed angle positioning block and the nut to rotate, so that the tool rest assembly moves downwards along the screw rod for a set distance;
(5) Backhaul: the motor I is started to drive the motor teeth, the lead screw and the driving gear to rotate anticlockwise, so that the upper guide rail frame and the lower guide rail frame synchronously move anticlockwise along the upper deformable guide rail and the lower deformable guide rail where the upper guide rail frame and the lower guide rail frame are respectively positioned, and meanwhile, the tool rest assembly moves from top to bottom along the lead screw due to the transmission of the lead screw, and vectors of the upper guide rail frame and the lower guide rail frame are overlapped to form a spiral return stroke from top left to bottom right;
(6) Repeating the steps (2) - (5) until the whole tapping process is finished.
In the step (2), the linear displacement sliding block resets and simultaneously tightens the steel wire to drive the torsion spring to bear force, and the swing arm of the cutter head stretches out; in the step (4), the linear displacement sliding block is pushed forward to loosen the steel wire pulling the torsion spring, the torsion spring is not stressed, and the cutter head swing arm is retracted. The ratchet 10 rotates 90 degrees at the same time of retracting the cutter, and drives the cutter rest assembly to move downwards by a distance unit along the lead screw 7 and the longitudinal guide rail 4. After the ratchet wheel 10 is rotated once by 90 degrees by the elastic pawl 15 for positioning, no matter how many circles the power wheel 14 continues to rotate anticlockwise, the ratchet wheel 10 and the fixed angle positioning block 11 still can be clamped and positioned and cannot move any more; only after the power wheel 10 rotates clockwise to pull the linear displacement slide block 12 back to the original position, when the power wheel 10 rotates anticlockwise again to push the linear displacement slide block 12, the spring pawl 15 can toggle the ratchet wheel 10 to rotate for the second 90 degrees, and so on, so that the function of unidirectional fixed angle positioning is realized.
Claims (11)
1. A tapping machine, characterized in that:
the tapping machine is suitable for trunks with different thickness shapes and comprises an upper deformable guide rail and a lower deformable guide rail, a chute is formed between the inner wall and the outer wall of the deformable guide rail, and teeth are arranged on the outer side of the outer wall;
the rubber tapping machine also comprises a longitudinal guide rail, wherein an upper guide rail frame and a lower guide rail frame are respectively arranged at two ends of the longitudinal guide rail, an inner groove and a transverse limiting wheel are arranged on the guide rail frames, the upper deformable guide rail and the lower deformable guide rail are respectively inserted into the inner grooves of the upper guide rail frame and the lower guide rail frame, so that gears in the guide rail frames are meshed with teeth on the outer walls of the deformable guide rails, and the transverse limiting wheels are embedded into corresponding sliding grooves on the deformable guide rails;
a lead screw is arranged between the upper guide rail frame and the lower guide rail frame, wherein one end of the lead screw is fixedly connected with motor teeth of the motor I, and the other end of the lead screw is fixedly connected with a driving gear;
the rubber tapping machine also comprises a tool rest assembly sleeved on the longitudinal guide rail and the screw rod;
the deformable guide rail is divided into an inner wall and an outer wall, the inner wall is of a spacing sectional structure, and each section of the outer wall and each section of the inner wall are connected into a whole;
the inner wall interval segments of the deformable guide rail are equally spaced uniform segments or regularly spaced multiple segments;
one end of the tool rest assembly is sleeved on the screw rod through a nut, the other end of the tool rest assembly passes through the longitudinal guide rail and can slide up and down along the longitudinal guide rail, a ratchet wheel and an angle fixing positioning block which can rotate synchronously with the nut are fixedly installed outside the nut, a tool rest seat and a linear displacement sliding block with a spring reset piece are arranged on the tool rest assembly, a motor II is fixedly installed on the tool rest seat, a power wheel with a notch clamping groove is installed on a power output shaft of the motor II, a rubber cutting knife assembly is installed at one end of the linear displacement sliding block, the edge of the other end of the linear displacement sliding block is contacted with the power wheel, a flexible pawl is installed at a position, opposite to the ratchet wheel, on the linear displacement sliding block, and a positioning end face is arranged at a position interval opposite to the angle fixing positioning block.
2. The tapping machine according to claim 1, wherein: the inner wall surface of the deformable guide rail is provided with convex nails.
3. The tapping machine according to claim 1, wherein: more than two transverse limiting wheels are respectively arranged at the top and the bottom of the inner groove of the guide rail frame.
4. The tapping machine according to claim 1, wherein: more than two longitudinal limit sliding blocks are respectively arranged at the top and the bottom of the inner groove of the guide rail frame.
5. The tapping machine according to claim 1, wherein: the motor teeth and the driving gear in the upper and lower guide rail frames are respectively meshed with the teeth on the two deformable guide rails in a multi-stage gear transmission mode.
6. The tapping machine according to claim 1, wherein: the number of teeth on the ratchet wheel is more than 3.
7. The tapping machine according to claim 1, wherein: the rubber tapping knife assembly comprises a knife head swing arm hinged with the knife rest seat, a torsion spring is arranged on a column protrusion at one end of the knife head swing arm, the torsion spring is connected with the linear displacement sliding block through a steel wire, one end of the knife head swing arm is connected with a knife depth limiting piece, and a rubber tapping knife blade is fixed on the knife depth limiting piece.
8. The tapping machine as set forth in claim 7, wherein: the knife depth limiting piece is connected with the knife head swing arm through a check screw, and can swing freely at multiple angles.
9. The tapping machine as set forth in claim 7, wherein: the knife depth limiting piece is provided with a limiting part and a guiding part.
10. A tapping method using the tapping machine according to any one of claims 1-9, characterized by comprising the steps of:
(1) Fixing: hooping the upper and lower deformable guide rails of the rubber tapping machine on a rubber tree, and tensioning the two ends of the deformable guide rails by using a tightening belt to fix the rubber tapping machine on the rubber trunk;
(2) And (3) placing a cutter: starting a motor II to enable a power wheel to rotate clockwise, and enabling a notch clamping groove on the power wheel to pull a linear displacement sliding block to reset so that a rubber tapping knife assembly stretches out and abuts against rubber barks;
(3) Rubber tapping: the motor I is started to drive the motor teeth, the lead screw and the driving gear to rotate clockwise, so that the upper guide rail frame and the lower guide rail frame respectively move clockwise and synchronously along the upper deformable guide rail and the lower deformable guide rail where the upper guide rail frame and the lower guide rail frame are positioned, and meanwhile, the tool rest assembly moves from bottom to top along the lead screw due to the transmission of the lead screw, and the two vectors are overlapped to form a spiral rubber tapping process from bottom to top;
(4) And (5) retracting: when the upper guide rail frame and the lower guide rail frame move to the tail end of the deformable guide rail where the upper guide rail frame and the lower guide rail frame are positioned, the motor I is closed, the motor II is started to rotate reversely to enable the power wheel to rotate anticlockwise, a notch clamping groove on the power wheel clamps the edge of the linear displacement sliding block and pushes forward to enable the rubber cutting knife assembly to retract and separate from rubber bark, meanwhile, a spring pawl on the power wheel drives a ratchet wheel to rotate in the process that the power wheel pushes forward the linear displacement sliding block, and the ratchet wheel rotates to drive the fixed angle positioning block and the nut to rotate, so that the tool rest assembly moves downwards along the screw rod for a set distance;
(5) Backhaul: the motor I is started to drive the motor teeth, the lead screw and the driving gear to rotate anticlockwise, so that the upper guide rail frame and the lower guide rail frame synchronously move anticlockwise along the upper deformable guide rail and the lower deformable guide rail where the upper guide rail frame and the lower guide rail frame are respectively positioned, and meanwhile, the tool rest assembly moves from top to bottom along the lead screw due to the transmission of the lead screw, and vectors of the upper guide rail frame and the lower guide rail frame are overlapped to form a spiral return stroke from top left to bottom right;
(6) Repeating the steps (2) - (5) until the whole tapping process is finished.
11. A tapping method according to claim 10, wherein: in the step (2), the linear displacement sliding block resets and simultaneously tightens the steel wire to drive the torsion spring to bear force, and the swing arm of the cutter head stretches out; in the step (4), the linear displacement sliding block is pushed forward to loosen the steel wire pulling the torsion spring, the torsion spring is not stressed, and the cutter head swing arm is retracted.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910426269.9A CN111972251B (en) | 2019-05-21 | 2019-05-21 | Rubber tapping machine and rubber tapping method |
| PCT/CN2019/117362 WO2020233003A1 (en) | 2019-05-21 | 2019-11-12 | Rubber tapping machine and rubber tapping method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910426269.9A CN111972251B (en) | 2019-05-21 | 2019-05-21 | Rubber tapping machine and rubber tapping method |
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| Publication Number | Publication Date |
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| CN111972251A CN111972251A (en) | 2020-11-24 |
| CN111972251B true CN111972251B (en) | 2023-09-12 |
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|---|---|---|---|
| CN201910426269.9A Active CN111972251B (en) | 2019-05-21 | 2019-05-21 | Rubber tapping machine and rubber tapping method |
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| CN (1) | CN111972251B (en) |
| WO (1) | WO2020233003A1 (en) |
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| CN114680015B (en) * | 2020-12-31 | 2023-07-21 | 宁波中创瀚维科技有限公司 | Rubber tapping machine and rubber tapping method |
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| CN113933087B (en) * | 2021-09-18 | 2024-05-03 | 中国热带农业科学院橡胶研究所 | Rubber bark cutting device for tensile and shear strength tests |
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| CN113841583A (en) * | 2021-10-13 | 2021-12-28 | 华南农业大学 | Automatic rubber tapping machine |
| CN113951088A (en) * | 2021-11-28 | 2022-01-21 | 淄博润农机械科技有限公司 | Arc-shaped guide rail of stay wire double-slider rubber tree tapping robot |
| CN114402947A (en) * | 2021-12-29 | 2022-04-29 | 海南大学 | Natural rubber intelligent binding type tree-pasting profiling automatic rubber cutting machine and use method thereof |
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| CN114798282B (en) * | 2022-05-12 | 2023-01-10 | 重庆电子工程职业学院 | Outer wall spraying robot for high-altitude operation |
| CN115380796A (en) * | 2022-09-27 | 2022-11-25 | 海南大学 | Profiling track type automatic tapping and using method thereof |
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| CN111972251A (en) | 2020-11-24 |
| WO2020233003A1 (en) | 2020-11-26 |
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