CN107853124B - Portable portable rubber tapping machine - Google Patents

Portable portable rubber tapping machine Download PDF

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Publication number
CN107853124B
CN107853124B CN201711249755.5A CN201711249755A CN107853124B CN 107853124 B CN107853124 B CN 107853124B CN 201711249755 A CN201711249755 A CN 201711249755A CN 107853124 B CN107853124 B CN 107853124B
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China
Prior art keywords
cutting
block
trolley
roller
nut
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CN201711249755.5A
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Chinese (zh)
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CN107853124A (en
Inventor
梁栋
汝绍锋
李双
张燕
赵乃澳
施晓佳
王自强
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Hainan University
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Hainan University
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G23/00Forestry
    • A01G23/10Tapping of tree-juices, e.g. caoutchouc, gum
    • A01G23/12Knives or axes for tapping

Abstract

The invention provides a portable hand-held tapping machine, which comprises a handheld device, a clamping device, a cutting track control device, a power device and a cutting angle adjusting device, wherein the handheld device is used for clamping a rubber cutting machine; the clamping device comprises a soft rubber surface and a supporting rod; the cutting track control device comprises a spiral toothed track, a trolley with a roller and a helical gear; the soft rubber surface is tightly attached to the surface of the surface to be cut of the rubber tree by using a support rod; an arc-shaped groove is arranged on the spiral plane of the spiral toothed track, and a tooth shape is arranged along the inner side of the spiral plane; the trolley with the roller wheels is arranged on the spiral toothed track, and the middle upper part of the trolley with the roller wheels is provided with two vertically placed supporting wheels which roll along the arc-shaped groove; the helical gear is meshed with the tooth form to realize gear transmission, and the trolley with the roller is driven to do helical motion with fixed track along the helical toothed track. The automatic tapping machine can automatically adjust the tapping depth, automatically change rows, adapt to different tree diameters, and has the characteristics of simple structure, convenience in control, low cost, reliability and practicability.

Description

Portable portable rubber tapping machine
Technical Field
The invention relates to the field of agricultural machinery, in particular to a portable type rubber cutting machine.
Background
The natural rubber has high elasticity and slight plasticity at normal temperature, has very good mechanical strength, small hysteresis loss, low heat generation during multiple deformation and good flexing resistance, and is non-polar rubber with good electrical insulation performance, so the natural rubber has wide application.
But the difficulty of rubber collection is high, the workload is large, and the production efficiency of rubber is seriously influenced. Because the rubber tapping is in arc-shaped motion, the rubber tapping needs to be combined from left to right and up and down, and the rubber tapping moves downwards by one line after each rubber tapping, based on numerous operation requirements, the Chinese patent application CN105052675A discloses a rubber tapping machine, which requires the micro cost of an automatic machine because the yield of a rubber tree is small, but the rubber tapping machine has the defects of high cost, low precision and only can be fixed on the tree at present. Therefore, the difficulty of increasing the tapping precision and reducing the cost of the automatic tapping machine in the current mechanical automatic tapping tool still restricts the development of the automatic production machine, and no successful automatic mechanical equipment exists so far.
Disclosure of Invention
Aiming at the problems of the existing automatic tapping machine, the invention aims to provide a portable hand-held tapping machine which replaces manual tapping with an automatic machine.
The purpose of the invention can be achieved by adopting the following technical scheme:
a portable hand-held tapping machine is characterized in that the tapping machine comprises a handheld device, a clamping device, a cutting track control device, a power device and a cutting angle adjusting device;
the clamping device comprises a soft rubber surface and a supporting rod; the cutting track control device comprises a spiral toothed track, a trolley with a roller and a helical gear;
the left end and the right end of the soft rubber surface are fixedly connected with the left front part and the right front part of the spiral toothed track through the supporting rods respectively, and the soft rubber surface is tightly attached to the surface of a surface to be cut of the rubber tree by utilizing the supporting rods; the left end and the right end of the spiral toothed track are fixedly connected to the handheld device;
the spiral toothed track is a spiral track, an arc-shaped groove is formed in the spiral plane of the spiral toothed track, and a tooth shape is formed along the inner side of the spiral plane;
the power device and the cutting angle adjusting device are fixed on the trolley with the roller wheels, the trolley with the roller wheels is arranged on the spiral toothed track, and two supporting wheels which are vertically placed and roll along the arc-shaped groove are arranged at the middle upper part of the trolley with the roller wheels; the helical gear is fixed above the trolley with the roller through the power device, is meshed with the tooth form to realize gear transmission and drives the trolley with the roller to do helical motion with a fixed track along the helical toothed track;
the cutting angle adjusting device comprises a cutting blade, and the cutting blade is arranged above the soft rubber surface.
Furthermore, the tapping machine also comprises a cutting depth adjusting device, wherein the cutting depth adjusting device comprises a cuboid slider, a rotating nut, a spring and a telescopic rod;
the rectangular sliding block can vertically move towards the tree center of the rubber tree, a trapezoidal groove is formed in the bottom of the rectangular sliding block, a trapezoidal boss is arranged on the upper plane of the trolley with the roller, and the trolley with the roller can slide on the trapezoidal boss through the trapezoidal groove; the rotating nut is screwed into the trapezoidal groove to fix the position of the cuboid sliding block;
the telescopic rod is connected with the cuboid sliding block, and the spring is sleeved on the telescopic rod;
the cutting angle adjusting device is connected with the telescopic rod, and is fixed on the trolley with the roller through the cutting depth adjusting device.
Furthermore, the cutting depth adjusting device also comprises a line-changing nut, a line-changing nut connecting block and a line-changing device;
the right end of the telescopic rod is fixedly connected with the line-changing device, the right side of the line-changing device is provided with a hollow structure, the line-changing nut connecting block is arranged in the inner space of the hollow structure through the line-changing nut, and the line-changing nut adjusts the height of the line-changing nut connecting block through clockwise and anticlockwise rotation;
the cutting angle adjusting device is connected with the line-changing nut connecting block and is connected with the telescopic rod through the line-changing nut connecting block.
Furthermore, the cutting angle adjusting device also comprises a screw knob and a cutting angle adjusting block;
the cutting blade is arranged on the cutting angle adjusting block, and the cutting angle adjusting block is provided with a round hole; a convex internal thread round hole is formed in the line-changing nut connecting block; the cutting angle adjusting block and the line-changing nut connecting block are hinged through the screw knob screwed into the round hole and the raised internal thread round hole, so that the cutting angle adjusting block can rotate clockwise and anticlockwise around the screw knob.
Further, the rotation angle of the cutting angle adjusting block around the screw knob ranges from 0 degree to 30 degrees.
Furthermore, a first raised square circumferential array is arranged on the lower surface of the screw knob; the upper surface of the round hole is provided with a second raised square circumferential array; when the cutting angle adjusting block is hinged to the line-changing nut connecting block, the first raised square circumferential array is connected with the second raised square circumferential array.
Further, cutting angle adjusting device still includes cutting depth control gyro wheel, cutting depth control gyro wheel sets up on the cutting angle regulating block, be located the cutting blade top, cutting depth control gyro wheel with the port of cutting blade is at the vertical direction keep equal.
Furthermore, the rightmost end of the middle lower part of the trolley with the rolling wheels is transversely connected with rolling wheels, and the rolling wheels roll along the inner surface of the spiral toothed track.
Further, the power device comprises a motor and a lithium battery, and the motor and the lithium battery are fixed on the horizontal plane of the trolley with the rollers; an output shaft of the motor is connected with the helical gear; the motor is connected with the lithium battery.
Furthermore, the supporting rods comprise transverse supporting round rods, beam rods and horizontal supporting round rods, and third connecting round rods are respectively arranged at the left end and the right end of the soft rubber surface; the third connecting round rod is fixedly connected with one ends of the two parallel transverse supporting round rods respectively, the other ends of the two transverse supporting round rods are fixedly connected with the vertically arranged beam rods, and the two beam rods are fixedly connected with the left front part and the right front part of the spiral toothed track through the horizontal supporting round rods respectively.
The invention has the beneficial effects that:
the tapping machine can realize automatic adjustment of tapping depth and tapping angle through the cutting depth adjusting device and the cutting angle adjusting device; the cutting track control device enables the cutting track to be in a spiral shape, and the line changing cutting is realized by clockwise and anticlockwise rotation of the line changing nut, so that automatic rubber tapping is realized; and the rubber surface of the soft rubber is soft and is easy to bend and deform, so that the rubber tapping machine is suitable for different tree diameters. The invention has novel design, simple structure and low cost, can effectively overcome the defects of the existing tapping machine that the tree diameter is not adaptable to change, the structure is complex, the control system is integrated and the cost is high, has the characteristics of convenient control, reliability and practicability, high tapping efficiency and portability, can realize batch production, and has better popularization and use values.
Drawings
FIG. 1 is a general block diagram of the portable hand-held dispenser of the present invention;
FIG. 2 is a schematic view of a hand-held clamping device according to the present invention;
FIG. 3 is a perspective view of the trolley with rollers and the device thereof;
FIG. 4 is a rear view of the trolley with rollers and the device thereof;
FIG. 5 is a schematic view of the cutting depth adjusting device according to the present invention;
FIG. 6 is a schematic diagram of a line feed device according to the present invention;
FIG. 7 is a schematic view of a line feed nut according to the present invention;
FIG. 8 is a schematic view of a cutting angle adjusting device according to the present invention;
FIG. 9 is a schematic view of a screw knob according to the present invention.
Wherein: 1-rack, 101-first vertical round bar, 102-first horizontal round bar, 103-second horizontal round bar, 104-second vertical round bar, 105-first connecting round bar, 106-third vertical round bar, 107-second connecting round bar, 2-spiral toothed rail, 201-arc groove, 202-tooth form, 203-connecting block, 3-soft rubber surface, 301-third connecting round bar, 4-supporting bar, 401-horizontal supporting round bar, 402-beam bar, 403-horizontal supporting round bar, 5-motor, 6-lithium battery, 7-cuboid slider round handle, 8-cuboid slider, 801-trapezoid groove, 9-rotating nut, 10-spring, 11-telescopic bar, 12-line-changing nut, 1201-exchanging nut thread, 13-exchanging nut connecting block, 1301-internal thread hole, 1302-raised internal thread round hole, 14-manual regulation square bump, 15-screw knob, 1501-first raised square circumference array, 1502-thread, 16-cutting depth control roller, 17-cutting blade, 18-trolley with roller, 1801-trapezoidal boss, 19-helical gear, 20-supporting wheel, 21-rolling wheel, 22-exchanging device, 2201-exchanging nut jack, 23-cutting angle adjusting block, 2301-round hole and 2302-second raised square circumference array.
Detailed Description
In order to make those skilled in the art better understand the technical solutions of the present application, the present invention will be further described in detail by way of examples with reference to the accompanying drawings.
The terms of orientation such as up, down, left, right, front, and rear in the present specification are established based on the positional relationship shown in the drawings. The corresponding positional relationship may also vary depending on the drawings, and therefore, should not be construed as limiting the scope of protection.
The embodiment describes a portable hand-held tapping machine, which comprises a handheld device, a clamping device, a cutting track control device, a power device, a cutting depth adjusting device and a cutting angle adjusting device. The hand-held device is connected with the clamping device through the cutting track control device, and is tightly attached to the surface of the to-be-cut surface of the rubber tree through the clamping device and the rubber tapping machine; the power device and the cutting depth adjusting device are fixed on the cutting track control device, the cutting angle adjusting device is fixed at the front end of the cutting depth adjusting device, the rubber tapping knife is installed at the front end of the cutting angle adjusting device and located above the clamping device, the power device drives the cutting depth adjusting device and the cutting angle adjusting device to automatically perform rubber tapping movement along a track controlled by the cutting track control device, and the cutting depth and the cutting angle are adjusted through the cutting depth adjusting device and the cutting angle adjusting device.
As shown in fig. 1 and 2, the hand-held device in this example is a frame 1, which is mainly convenient for a user to hold and grasp when the tapping machine is in operation. The rack 1 is composed of round bars, and comprises a first vertical round bar 101, a first transverse round bar 102, a second transverse round bar 103, a second vertical round bar 104, a first connecting round bar 105, a third vertical round bar 106 and a second connecting round bar 107. The two first vertical round rods 101 are arranged at the right end of the rack 1 and are parallel and vertically arranged, the combined parts of the two first horizontal round rods 102, the second horizontal round rods 103 and the second vertical round rods 104 are fixedly connected with the two first vertical round rods 101 respectively, the first horizontal round rods 102 and the second horizontal round rods 103 are arranged transversely and parallel to each other, one end of each horizontal round rod is fixedly connected with the middle upper end and the middle lower end of the first vertical round rod 101, and the two second vertical round rods 104 which are parallel to each other are vertically arranged on the second horizontal round rods 103 and fixedly connected with the other end of the first horizontal round rod 102 respectively; the first connecting round rod 105 and the second connecting round rod 107 are parallel to each other, and two ends of the first connecting round rod 105 are fixedly connected with the left ends of the two second transverse round rods 103 respectively; the second connecting round bar 107 is fixedly connected at the left ends 1/3 of the two first transverse round bars 102 through two vertical third vertical round bars 106 which are arranged vertically and in parallel.
When the user operates, the first connecting round rod 105 is held by the left hand, the second connecting round rod 107 is held by the right hand, the clamping device is enabled to be clung to the surface of the rubber tree, when the clamping device is clung to the bark, the left hand and the right hand are transferred to the second vertical round rods 104 at the two sides of the machine frame 1 from the first connecting round rod 105 and the second connecting round rod 107, and the second vertical round rods 104 are held by a pushing force along the tree direction, so that the clamping device can be kept clung to the surface of the rubber tree.
The clamping device consists of a soft rubber surface 3 and a support rod 4, as shown in figures 1 and 2, the left front part and the right front part of the cutting track control device are respectively fixedly connected with the support rod 4, and the distance between the two support rods 4 is slightly larger than the diameter of a common rubber tree. The supporting rod 4 is provided with a transverse supporting round rod 401, a beam rod 402 and a horizontal supporting round rod 403, third connecting round rods 301 arranged at the left end and the right end of the soft rubber surface 3 are fixedly connected with one ends of the two parallel transverse supporting round rods 401 respectively, the other ends of the two transverse supporting round rods 401 are fixedly connected with the vertically arranged beam rod 402, and the two beam rods 402 are fixedly connected with the left end and the right end of the cutting track control device through the horizontal supporting round rods 403 respectively.
The frame 1 is handed to the user, makes soft rubber face 3 hug closely and treat the cutting surface at the rubber tree, according to the soft and easily flexible characteristic of warping of soft rubber face 3, is applicable to the laminating with the rubber tree of different diameters, and clamping device tightly presss from both sides in the rubber tree both sides through the bracing piece 4 on left and right sides, and soft rubber face 3 laminates at the tree surface of rubber tree under the exogenic action of bracing piece 4, plays the effect to whole device steady operation.
The cutting path control device is composed of a spiral toothed track 2, a trolley 18 with rollers and a bevel gear 19, as shown in fig. 1.
The left end and the right end of the spiral toothed track 2 are fixedly connected with the frame 1 and are connected with the soft rubber surface 3 through a support rod 4. The spiral toothed track 2 is a non-elliptical and arc-shaped spiral track, as shown in fig. 2, an arc-shaped groove 201 is formed on a spiral plane of the spiral toothed track 2, a tooth profile 202 close to the inner side is arranged along the spiral plane, and two ends of the spiral toothed track 2 are fixedly connected with the frame 1 through two connecting blocks 203.
The trolley 18 with rollers is placed on the helical toothed track 2 in a fixed-track helical movement. As shown in fig. 3 and 4, two vertically placed support wheels 20 rolling along the arc-shaped groove 201 are arranged at the middle upper part of the trolley 18 with the rollers, and the support wheels 20 can roll along the arc-shaped groove 201 according to a fixed track; the rightmost end of the middle lower part of the trolley 18 with the roller is transversely connected with a rolling wheel 21, the rolling wheel 21 rolls along the inner surface of the spiral toothed track 2 and can form a stable triangular movement structure with the trolley 18 with the roller together with two supporting wheels 20, so that the trolley 18 with the roller does stable spiral movement on the spiral toothed track 2 along a fixed track.
The bevel gear 19 is fixed above the trolley 18 with the roller through a power device, and the bevel gear 19 is driven by the power device to rotate. The helical gear 19 is meshed with the inner side tooth profile 202 on the helical toothed track 2 to realize gear transmission, and the whole trolley 18 with the roller is driven to do helical motion along the helical toothed track 2.
The power device provides power for the whole cutting process and comprises a motor 5 and a lithium battery 6. The motor 5 is placed on the horizontal plane of the trolley 18 with the roller, an output shaft of the motor 5 faces the center direction of the trunk of the rubber tree, the output shaft of the motor 5 is connected with the bevel gear 19, the motor 5 is used for providing power for spiral cutting, and the bevel gear 19 is driven to do meshing motion along the tooth form 202 on the spiral toothed track 2, so that the trolley 18 with the roller is driven to move along a rubber tapping track. The lithium battery 6 is also placed on the horizontal plane of the trolley 18 with the roller, in this example, the lithium battery 6 is positioned on the left side of the motor 5 and is connected with the motor 5 to provide electric power for the motor 5, and the lithium battery 6 is used for supplying power, so that the power supply is durable and reliable and the use is convenient.
The cutting depth adjusting device can linearly slide along the vertical direction of the rubber tree, and consists of a cuboid slider round handle 7, a cuboid slider 8, a rotating nut 9, a spring 10, a telescopic rod 11, a line-changing device 22, a line-changing nut 12 and a line-changing nut connecting block 13, as shown in fig. 1 and 5.
The cuboid slider round handle 7 is a handle part which is held by an operator when the operator adjusts the cutting depth adjusting device and is arranged at the left end of the cuboid slider 8; the cuboid sliding block 8 can move along the vertical direction of the rubber tree, in the embodiment, the bottom of the cuboid sliding block 8 is provided with a trapezoidal groove 801, the trapezoidal groove 801 is butted with a trapezoidal boss 1801 (shown in figure 4) arranged on the upper plane of the trolley 18 with the roller, and the trolley 18 with the roller can slide on the trapezoidal boss 1801 through the trapezoidal groove 801; the cuboid slider 8 is provided with a through hole with internal threads above the trapezoid groove 801, and the rotating nut 9 is screwed into the trapezoid groove 801 through the through hole to fix the position of the cuboid slider 8, so that a depth adjusting mode capable of moving back and forth along the tree center direction of the rubber tree is formed, and after the proper position is adjusted, the position is fixed through the rotating nut 9.
The right end of the cuboid slider 8 is connected with the telescopic rod 11, the spring 10 is sleeved on the telescopic rod 11, the right end of the telescopic rod 11 is fixedly connected with the line-changing device 22, an extrusion force to the line-changing device 22 can be provided through the spring 10 on the periphery of the telescopic rod 11, and the extrusion force enables the cutting angle adjusting device to be tightly attached to a rubber tree cutting surface.
The right side of the line feed device 22 is provided with a hollow structure, and as shown in fig. 5 and 6, the hollow structure is provided with a line feed nut insertion hole 2201 with internal threads; an internal thread hole 1301 is formed in the traveling nut connecting block 13, the internal thread hole 1301 and the traveling nut insertion hole 2201 are arranged in an up-down opposite mode, and the traveling nut connecting block 13 is screwed into the traveling nut insertion hole 2201 through the traveling nut 12 and is installed in the inner space of the hollow structure through the internal thread hole 1301. The thread 1201 of the linefeed nut is distributed to the 2/3 position of the screw port of the linefeed nut 12 (see fig. 7), the linefeed nut 12 is screwed in from the linefeed nut insertion hole 2201 of the linefeed device 22, the thread 1201 of the linefeed nut is screwed in the internal thread hole 1301 of the linefeed nut connecting block 13, the height of the linefeed nut connecting block 13 can be adjusted by rotating the linefeed nut 12 clockwise and anticlockwise, and the purpose of linefeed cutting is achieved. A convex inner threaded round hole 1302 is further formed in the traverse nut connecting block 13, and the traverse nut connecting block 13 is hinged to the cutting angle adjusting device through the convex inner threaded round hole 1302.
The cutting angle adjusting device is composed of a manual regulation square projection 14, a screw knob 15, a cutting depth control roller 16, a cutting blade 17 and a cutting angle adjusting block 23, as shown in fig. 8.
The manual regulation square projection 14 is fixedly connected to the cutting angle regulating block 23 and is used for manually regulating the cutting angle of the cutting blade 17.
A square circumferential array of first protrusions 1501 is provided at the lower surface of the screw knob 15 (see fig. 9), and the screw knob 15 is self-threading 1502.
The cutting depth control roller 16 is fixed to the cutting angle adjusting block 23 by a bolt and is rotatable around the bolt. The cutting blade 17 is arranged on the cutting angle adjusting block 23, is positioned below the cutting depth control roller 16 and above the soft rubber surface 3, and can be driven by the cutting angle adjusting block 23 to adjust the cutting angle; the cutting depth control roller 16 and the port of the cutting blade 17 are leveled in the vertical direction, so that the cutting depth control roller 16 can tightly stick to the cut surface of the rubber tree to roll smoothly, the cutting depth is constant when the telescopic rod 11 is pressed by the spring 10, the operation on the surface to be cut is ensured, and the port of the cutting blade 17 tightly sticks to the cut surface to move synchronously under the action of the spring 10, so that the cutting depth of the cutting blade 17 is kept.
Cutting angle regulating block 23 is a whole, and there is a round hole 2301 cutting angle regulating block 23's left end, and the upper surface of round hole 2301 is equipped with the bellied square circumference array 2302 of second, and round hole 2301 passes through screw knob 15 with protruding internal thread round hole 1302 on the nut connecting block 13 that commutes and articulates for cutting angle regulating block 23 can be around screw knob 15 clockwise and anticlockwise rotation.
The screw knob 15 is screwed in from the circular hole 2301 and penetrates through the raised internal thread circular hole 1302, the first raised square circumference array 1501 on the lower surface of the screw knob 15 is connected with the second raised square circumference array 2302 on the upper surface of the circular hole 2301, the effect of increasing friction is achieved, and the screw knob 15 achieves the effect of fixing the angle of the cutting blade 17 through the twisting of the raised internal thread circular hole 1302 on the thread 1502 and the transition nut connecting block 13.
Because the cutting angle adjusting block 23 fixes the angle of the cutting blade 17 by rotating the fixing screw knob 15, the cutting angle adjusting device can rotate clockwise and anticlockwise, and the rotating angle is usually controlled to be 0-30 degrees. Since the cutting blade 17 is fixed to the cutting angle adjusting block 23, the cutting surface angle of the cutting blade 17 can be adjusted in a range of 0 to 30 degrees depending on the size of the tree in operation.
When the rubber tapping motion starts, according to the diameter of the rubber tree, the cutting depth and the cutting angle of the rubber tree are adjusted by the aid of the front and back movement of the cutting depth adjusting device along the tree center direction and the left and right rotation of the cutting angle adjusting device along the tree center direction. The position of the cuboid sliding block 8 moving along the vertical direction of the rubber tree in the cutting depth adjusting device and the angle of the cutting blade 17 of the cutting angle adjusting device are adjusted, and the motor 5 drives the helical gear 19 and further drives the trolley 18 with the roller to move along the spiral toothed track 2 from the initial position, so that a spiral linear rubber tapping track is formed. After each tapping, the cutting blade 17 retracts, the trolley 18 with the roller returns to the initial tapping position along the spiral toothed track 2, then the line-changing nut 12 is adjusted to realize the up-and-down movement of the line-changing nut connecting block 13, and the cutting blade 17 is moved downwards for a certain distance according to the tapping times to realize the line-changing tapping.
While the principles of the invention have been described in detail in connection with the preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing embodiments are merely illustrative of exemplary implementations of the invention and are not limiting of the scope of the invention. The details of the embodiments are not to be interpreted as limiting the scope of the invention, and any obvious changes, such as equivalent alterations, simple substitutions and the like, based on the technical solution of the invention, can be interpreted without departing from the spirit and scope of the invention.

Claims (9)

1. A portable hand-held tapping machine is characterized in that the tapping machine comprises a handheld device, a clamping device, a cutting track control device, a power device and a cutting angle adjusting device;
the clamping device comprises a soft rubber surface (3) and a supporting rod (4); the cutting track control device comprises a spiral toothed track (2), a trolley (18) with a roller and a bevel gear (19);
the left end and the right end of the soft rubber surface (3) are fixedly connected with the left front part and the right front part of the spiral toothed track (2) through the supporting rods (4), and the soft rubber surface (3) is tightly attached to the surface of a to-be-cut surface of a rubber tree by utilizing the supporting rods (4); the left end and the right end of the spiral toothed track (2) are fixedly connected to the handheld device;
the spiral toothed track (2) is a non-elliptical and arc-shaped spiral track, an arc-shaped groove (201) is formed in the spiral plane of the spiral toothed track (2), and a tooth form (202) is arranged along the inner side of the spiral plane;
the power device and the cutting angle adjusting device are fixed on the trolley (18) with the roller, the trolley (18) with the roller is arranged on the spiral toothed track (2), two supporting wheels (20) which are vertically placed to roll along the arc-shaped groove (201) are arranged at the middle upper part of the trolley (18) with the roller, the rightmost end of the middle lower part of the trolley (18) with the roller is transversely connected with a rolling wheel (21), and the rolling wheel (21) rolls along the inner surface of the spiral toothed track (2); the helical gear (19) is fixed above the trolley (18) with the roller through the power device, is meshed with the tooth form (202) to realize gear transmission, and drives the trolley (18) with the roller to do helical motion with a fixed track along the helical toothed track (2);
the cutting angle adjusting device comprises a cutting blade (17), and the cutting blade (17) is arranged above the soft rubber surface (3).
2. A portable hand-held tapping machine as claimed in claim 1, further comprising a cutting depth adjusting device comprising a cuboid slider (8), a swivel nut (9), a spring (10) and a telescopic rod (11);
the cuboid sliding block (8) can vertically move towards the tree center of the rubber tree, a trapezoidal groove (801) is formed in the bottom of the cuboid sliding block, a trapezoidal boss (1801) is arranged on the upper plane of the trolley (18) with the roller, and the cuboid sliding block (8) can slide on the trapezoidal boss (1801) through the trapezoidal groove (801); the rotating nut (9) is screwed into the trapezoidal groove (801) to fix the position of the cuboid sliding block (8);
the telescopic rod (11) is connected with the cuboid sliding block (8), and the spring (10) is sleeved on the telescopic rod (11);
the cutting angle adjusting device is connected with the telescopic rod (11), and is fixed on the trolley (18) with the roller through the cutting depth adjusting device.
3. A portable hand-held tapping machine as claimed in claim 2, wherein said cutting depth adjustment means further comprises a linefeed nut (12), a linefeed nut attachment block (13) and linefeed means (22);
the right end of the telescopic rod (11) is fixedly connected with the line-changing device (22), the right side of the line-changing device (22) is provided with a hollow structure, the line-changing nut connecting block (13) is installed in the inner space of the hollow structure through the line-changing nut (12), and the line-changing nut (12) adjusts the height of the line-changing nut connecting block (13) through clockwise and anticlockwise rotation;
the cutting angle adjusting device is connected with the line-changing nut connecting block (13), and is connected with the telescopic rod (11) through the line-changing nut connecting block (13).
4. A portable hand-held tapping machine as claimed in claim 3, wherein said cutting angle adjustment means further comprises a screw knob (15) and a cutting angle adjustment block (23);
the cutting blade (17) is arranged on the cutting angle adjusting block (23), and the cutting angle adjusting block (23) is provided with a round hole (2301); a convex internal thread round hole (1302) is formed in the line-changing nut connecting block (13); the cutting angle adjusting block (23) is hinged to the line-changing nut connecting block (13) through the screw knob (15) screwed into the circular hole (2301) and the raised internal thread circular hole (1302), so that the cutting angle adjusting block (23) can rotate around the screw knob (15) clockwise and anticlockwise.
5. Portable hand-held tapping machine as claimed in claim 4, wherein the cutting angle adjustment block (23) is rotated about the screw knob (15) through an angle of 0 ° to 30 °.
6. A portable hand-held tapping machine as claimed in claim 4, wherein a lower surface of said screw knob (15) is provided with a first raised square circumferential array (1501); the upper surface of the round hole (2301) is provided with a second raised square circumferential array (2302); when the cutting angle adjusting block (23) is hinged to the traverse nut connecting block (13), the first raised square circumferential array (1501) is connected with the second raised square circumferential array (2302).
7. Portable hand-held tapping machine according to claim 4 or 6, characterized in that the cutting angle adjustment means further comprises a cutting depth control roller (16), the cutting depth control roller (16) being arranged on the cutting angle adjustment block (23) above the cutting blade (17), the cutting depth control roller (16) being level with the mouth of the cutting blade (17) in the vertical direction.
8. Portable hand-held tapping machine according to claim 1, characterised in that said power means comprise an electric motor (5) and a lithium battery (6), said electric motor (5) and said lithium battery (6) being fixed on the level of said trolley (18) with rollers; the output shaft of the motor (5) is connected with the helical gear (19); the motor (5) is connected with the lithium battery (6).
9. The portable hand-held tapping machine according to claim 1, wherein the supporting rods (4) comprise a transverse supporting round rod (401), a beam rod (402) and a horizontal supporting round rod (403), and the left and right ends of the soft rubber surface (3) are respectively provided with a third connecting round rod (301); the third connecting round rod (301) is fixedly connected with one ends of the two parallel transverse supporting round rods (401), the other ends of the two transverse supporting round rods (401) are fixedly connected with the vertically arranged beam rods (402), and the two beam rods (402) are fixedly connected with the left front part and the right front part of the spiral toothed track (2) through the horizontal supporting round rods (403).
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CN111990208A (en) * 2020-07-21 2020-11-27 北京理工华汇智能科技有限公司 Spiral track type rubber tapping mechanism

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US2566464A (en) * 1947-09-22 1951-09-04 Redenback Louis Body supported portable treetapping machine
US2718341A (en) * 1951-07-27 1955-09-20 Albert J Seewaldt Portable tapping apparatus
BR102013023506A2 (en) * 2013-09-13 2015-07-28 Fabio Augusto Colella Automation of rubber tree latex extraction (bleeding) and clot harvest
CN205143075U (en) * 2015-11-10 2016-04-13 序宝机电科技(上海)有限公司 Automatic rubber tapping machine
CN106034980A (en) * 2016-07-13 2016-10-26 武汉市享昱科技有限公司 Automatic rubber cutting robot
CN106305342A (en) * 2016-10-27 2017-01-11 胡银星 Automatic rubber tapping machine for rubber trees
CN106718653A (en) * 2016-11-16 2017-05-31 中国热带农业科学院橡胶研究所 A kind of rubber cutting machine
CN206402820U (en) * 2017-01-18 2017-08-15 武汉汉唐天下投资管理有限公司 A kind of automatic rubber tapping machine people

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2566464A (en) * 1947-09-22 1951-09-04 Redenback Louis Body supported portable treetapping machine
US2718341A (en) * 1951-07-27 1955-09-20 Albert J Seewaldt Portable tapping apparatus
BR102013023506A2 (en) * 2013-09-13 2015-07-28 Fabio Augusto Colella Automation of rubber tree latex extraction (bleeding) and clot harvest
CN205143075U (en) * 2015-11-10 2016-04-13 序宝机电科技(上海)有限公司 Automatic rubber tapping machine
CN106034980A (en) * 2016-07-13 2016-10-26 武汉市享昱科技有限公司 Automatic rubber cutting robot
CN106305342A (en) * 2016-10-27 2017-01-11 胡银星 Automatic rubber tapping machine for rubber trees
CN106718653A (en) * 2016-11-16 2017-05-31 中国热带农业科学院橡胶研究所 A kind of rubber cutting machine
CN206402820U (en) * 2017-01-18 2017-08-15 武汉汉唐天下投资管理有限公司 A kind of automatic rubber tapping machine people

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