CN209914526U - Inverted trapezoidal ring peeling tool bit - Google Patents
Inverted trapezoidal ring peeling tool bit Download PDFInfo
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- CN209914526U CN209914526U CN201920314947.8U CN201920314947U CN209914526U CN 209914526 U CN209914526 U CN 209914526U CN 201920314947 U CN201920314947 U CN 201920314947U CN 209914526 U CN209914526 U CN 209914526U
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- girdling
- cutting edge
- trapezoidal
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- phloem
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Abstract
The utility model provides a fall trapezoidal girdling tool bit, by the connection handle, trapezoidal two waists and trapezoidal short base composition, the connection handle is equipped with the screw hole, two trapezoidal waists are the slope cutting edge, the girdling has, the function of girdling, trapezoidal short base is horizontal cutting edge, the function of girdling has, the waist of falling trapezoidal girdling tool bit is the slope cutting edge, when girdling, the slope of the phloem portion that the fruit tree was girdled to slope cutting edge direction of motion, the surface of slope cutting edge is less than 90 with the contained angle of the phloem portion of cutting, the kinetic resistance is little, can not tear phloem portion, two trapezoidal waists are the slope cutting edge, make the girdling mouthful downward sloping, do not deposit the rainwater.
Description
Technical Field
The utility model relates to a tool bit is shelled to trapezoidal ring that falls belongs to machinery.
Background
The girdling of the fruit tree is a key technology, girdling is preferably carried out at the early stage of blooming, the girdling is carried out at the early stage, the growth period of the girdling is long, the development is good, the large fruit rate and the grade fruits are more, the commodity is good, the girdling fruits at the initial flowering stage are large, but the fruit setting rate is low, the girdling is carried out at the end flowering stage, the fruits are smaller, the quality is reduced, the girdling part is mainly at the main stem, and the girdling part can also be locally girdling at the main branch and the auxiliary nutrition branch, the quality of the girdling is closely related to the quality of the girdling knife, the quality of the girdling knife mainly comprises the materials, heat treatment, the shape of a knife edge, the shape of the knife head and the like, the poor knife head is easy to cause that ① tears the bark of the fruit tree, the girdling opening is too wide, the balance relation between the crown and the root system is damaged, the girdling can improve the fruit setting rate, the overlong girdling can use of excessively depriving of the nutrients of the root system for replacing the fruits, the physiological disorder of the fruit tree must cause the physiological function of the fruit tree, the damage to the tree body, ② is too deep girdling, the cambiums is damaged, the xylem, the tree is even the tree, the tree is not healed part, the tree can be healed when the tree is carried out, the tree, the.
The common girdling cutter head generally used in China has a semicircular sickle type, a single-tooth saw blade type, a square shape, a hook shape, a single-edge straight cutter type and a double-edge straight cutter type, and does not have the function of completing girdling, girdling and girdling at one time.
Disclosure of Invention
The utility model provides a fall trapezoidal ring and shell tool bit, by the connection handle, trapezoidal two waists and trapezoidal short base limit are constituteed, the connection handle is equipped with the screw hole, two trapezoidal waists are the slope cutting edge, have the girdling, the function of girdling, trapezoidal short base is horizontal cutting edge, the function of girdling has, the waist of falling trapezoidal ring and shell the tool bit is the slope cutting edge, when girdling, the slope of the phloem that the fruit tree was shelled to slope cutting edge direction of motion slope sets up, the surface of slope cutting edge is less than 90 with the contained angle of the phloem of cutting, the kinetic resistance is little, can not tear the phloem, two trapezoidal waists of falling are the slope cutting edge, make the girdling mouthful downward sloping, do not deposit the rainwater.
The technical scheme is as follows: an inverted trapezoidal girdling cutter head comprises a connecting handle, two trapezoidal waists and a trapezoidal short bottom edge, wherein the connecting handle is provided with a threaded hole, the threaded hole is matched with the threaded hole in a cutter frame and fixedly connected together through a bolt, the two trapezoidal waists are inclined cutting edges and have the functions of girdling and girdling, the trapezoidal short bottom edge is a horizontal cutting edge and has the function of girdling, the cutting angle of the horizontal cutting edge is unchanged, in the range of clamping diameter, the cutter head has the function of keeping the cutting angle unchanged, the unchanged cutting angle refers to the distance from the intersection point of the horizontal cutting edge and a perpendicular line passing through the central line of a girdling circle to the outer circular surface of the girdling circle, the girdling circle refers to branches or a main rod of a fruit tree, according to the principle of relative motion, the girdling cutter is not moved, a trunk or the branches rotate, the height of the horizontal cutting edge is 2/5-4/5 to the total height of the cutter head, the cutting head is favorable for discharging the phloem from the cutting head after ring peeling, exceeds a specified range, has an excessively small proportion, has poor horizontal blade strength and an excessively large proportion, and is not favorable for discharging scraps, wherein the scraps are discharged from the cutting head after ring peeling, the horizontal blade is divided into two parts, namely a cutting edge and an uncut edge, the ratio of the height of the cutting edge surface to the total height of the horizontal blade is 5/12-1/2, the thinner and sharper the blade is, the faster the wear is, the shorter the service life is, the thicker and blunter the blade is, the greater the resistance is in ring cutting and ring cutting, the cutting head is made of a 65Mn steel strip, the hardness of the blade after nitriding treatment is 50-54 HRC, the toughness is increased, the hardness of the blade is lower than 50 HRC, the wear resistance of the cutting head is increased after nitriding treatment, if the blade has no hardness, the blade is easy to roll, the blade is not durable, the hardness of the blade is higher than 54HRC, and the carbon content is higher, the crispness is higher, the cutter head is easy to break, the cutting edge is crisp and easy to break, a manganese steel material with low carbon and high toughness is adopted, the cutter head is in an inverted trapezoid shape, perennial woody plants, particularly red date trees, are hard, the cutting edge of a ring barking knife is required to be sharp, the ring incision is uniform, no burr is left, the bark of the fruit tree cannot be torn, the selection of the material of the cutter head and the nitriding hardness treatment are key, the wider range is better, the nitriding hardness treatment is right to the duration of a fire, the size of the opening surface of the cutter head refers to the ratio of the height of the opening surface to the total height of a horizontal cutting edge, the nitriding hardness treatment temperature is over 1100-1230 degrees, the cutter head is deformed, the temperature is too low, the effect is poor, annealing is slowly cooled in an annealing furnace, two trapezoidal waists are inclined cutting edges, the ring barks are inclined downwards, rainwater is not stored, the phloem of bacteria and fungus host plants, resulting in death of the fruit tree.
The main girdling rod of the perennial fruit tree has branch scars remained on branches, the tearing tension of a cutter blade is large during girdling, the hardness of the cutter blade is higher than 54HRC, the cutter head is easy to break, if the cutter blade is not sharp, the multi-fiber phloem is easy to tear, the girdling area is too large, healing is not easy, and the tree dies.
The waist of the inverted trapezoidal girdling cutter head is an inclined cutting edge, when girdling is carried out, the movement direction of the inclined cutting edge inclines to girdling the phloem of a fruit tree, the included angle between the outer surface of the inclined cutting edge and the cut phloem is smaller than 90 degrees, the movement resistance is small, the phloem cannot be torn, and the existing girdling cutter does not have the technical characteristics of the side.
The horizontal cutting edge of the inverted trapezoidal ring stripping cutter head is high in straightness, the ring stripping depth is guaranteed to be consistent on the same horizontal plane, the xylem is not damaged, and the existing cutter head of the ring stripping cutter does not have the technical characteristics of the scheme.
Under the condition that the cutting angle of the horizontal cutting edge is not changed, the condition that the girdling cutter damages a cambium and even slightly damages a xylem is found, the depth of the damaged xylem is 3-5 threads, which shows that the girdling is too deep, a 3mm 140 flat file is used, an included angle of 30 degrees is formed between the outer surface of the inclined cutting edge of the cutter head and the inclined cutting edge, the phenomenon of damaging the xylem can be solved by carrying out reciprocating file for 3-5 times, if a thin layer of 3-5 thread phloem is adhered to a girdling branch, which shows that the girdling is too shallow, a 3mm 140 flat file is used, the inner surface of the inclined cutting edge of the cutter head and the inclined cutting edge form an included angle of 30 degrees, the reciprocating file can be carried out for 3-5 times, the thin layer of 3-5 thread phloem is adhered to the girdling branch, only under the condition that the height of the horizontal cutting edge is 2/5-4/5 to the total height of the cutter head, and the height ratio of the opening surface to the horizontal cutting edge is 5/12-1/2, the implementation effect is most remarkable, the existing tool bit adjusts the angle of the tool bit according to needs in the using process, the ring stripper and the ring stripper are not completely fixed, the tool bit can be adjusted at any time, screws can loosen and can not be screwed tightly, tiny reciprocating swing of brightness can finally cause the gap to be larger and larger in use, the motion track of the tool bit is uncertain, the unequal radius of the tool bit is unequal, a gyroid or an involute, the angle is adjusted by a user, namely the included angle between the tool bit and a movable flap is adjusted by visual observation, the angle is slightly moved, the angle is deviated from minus 20 degrees to plus 20 degrees, the angle is too large or too small, the cutting angle is influenced, the ring stripping quality is finally influenced, and the phloem is torn.
The utility model has the advantages of the following.
1. The sharp edge does not damage the formed layer and can heal quickly.
2. The cutter head can realize the functions of ring cutting, ring cutting and ring stripping at one time.
3. The girdling opening is a slope, the cambium grows fast, and the healing is fast.
4. The width of the girdling cut is consistent, the phloem is not remained, the wound is smooth, the inclination angle of the girdling cut is changed, the working resistance is reduced, the water accumulation in rainy days is prevented, and the bark is prevented from rotting and dying.
Drawings
Fig. 1 is a schematic view of an inverted ladder-shaped ring stripping head structure.
Wherein, the knife edge comprises a horizontal knife edge 2, an inclined knife edge 3 and a threaded hole 1.
Detailed Description
Example 1.
An inverted trapezoidal ring-peeling cutter head comprises a connecting handle, two trapezoidal waists and a trapezoidal short bottom edge, wherein the connecting handle is provided with a threaded hole 3, the threaded hole 3 is matched with the threaded hole 3 arranged on a cutter frame and fixedly connected together through a bolt, the two trapezoidal waists are inclined blades 2 and have the functions of ring cutting and ring cutting, the trapezoidal short bottom edge is a horizontal blade 1 and has the function of ring peeling, the ratio of the height of the horizontal blade 1 to the total height of the cutter head is 3/5, so that bark can be conveniently spit, the horizontal blade 1 is divided into two parts, namely a blade opening surface and a blade non-opening surface, the ratio of the height of the blade opening surface to the total height of the horizontal blade is 1/2, the height of the blade opening surface is longer, the thinner and sharper, the faster the wear and the shorter the height of the blade opening surface, the thicker and the duller the larger resistance when the ring cutting and the ring cutting are carried out, the cutter head adopts a 65Mn steel strip, the hardness of the blade, the novel fruit tree girdling cutter has the advantages that the novel fruit tree girdling cutter is not only tough but also hard, the cutter head is inverted into a trapezoid shape, two trapezoidal waists are inclined cutting edges 2, a girdling opening is inclined downwards, rainwater cannot be stored, and therefore the phenomenon that the girdling mouth of a phloem of a bacterial host plant and a fungal host plant is stained in girdling mouth feel, and the phloem is ulcerated to cause death of a fruit tree is avoided.
Claims (1)
1. The utility model provides a fall trapezoidal ring and shell tool bit comprises connecting handle, two trapezoidal waists and trapezoidal short base, its characterized in that: wherein the connecting handle is provided with a threaded hole (3), two trapezoidal waists are inclined cutting edges (2), the short bottom edge of the trapezoid is a horizontal cutting edge (1) which has a girdling function, the height of the horizontal cutting edge (1) is 2/5-4/5 of the total height of the cutter head, the horizontal cutting edge (1) is divided into two parts, a cutting edge surface and an unopened cutting edge surface, the cutting angle of the horizontal cutting edge is unchanged, the cutter head has the function of keeping the cutting angle unchanged, the unchanged cutting angle refers to the distance from the intersection point of the horizontal cutting edge and a perpendicular line passing through the center line of a girdling circle to the outer circular surface of the girdling circle, the girdling circle refers to the branch or the main rod of a fruit tree, the height of the cutting edge surface is 5/12-1/2 of the total height of the horizontal cutting edge (1), the cutter head adopts a 65Mn steel strip, the hardness of the cutting edge after nitriding treatment is 50-54 HRC, the waist of the inverted trapezoidal girdling cutter, when in girdling, the movement direction of the inclined cutting edge (2) is obliquely arranged on the phloem of the girdling fruit tree, and the included angle between the outer surface of the inclined cutting edge (2) and the cut phloem is less than 90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920314947.8U CN209914526U (en) | 2019-03-13 | 2019-03-13 | Inverted trapezoidal ring peeling tool bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920314947.8U CN209914526U (en) | 2019-03-13 | 2019-03-13 | Inverted trapezoidal ring peeling tool bit |
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| Publication Number | Publication Date |
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| CN209914526U true CN209914526U (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920314947.8U Active CN209914526U (en) | 2019-03-13 | 2019-03-13 | Inverted trapezoidal ring peeling tool bit |
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| CN (1) | CN209914526U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109673296A (en) * | 2019-03-13 | 2019-04-26 | 郭春瑶 | A kind of inverted trapezoidal band girdle cutter head |
-
2019
- 2019-03-13 CN CN201920314947.8U patent/CN209914526U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109673296A (en) * | 2019-03-13 | 2019-04-26 | 郭春瑶 | A kind of inverted trapezoidal band girdle cutter head |
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