CN109605525A - Large size drum manufacturing method - Google Patents
Large size drum manufacturing method Download PDFInfo
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- CN109605525A CN109605525A CN201811518220.8A CN201811518220A CN109605525A CN 109605525 A CN109605525 A CN 109605525A CN 201811518220 A CN201811518220 A CN 201811518220A CN 109605525 A CN109605525 A CN 109605525A
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- drum
- hide
- plate
- mahogany
- red
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
- G10D13/00—Percussion musical instruments; Details or accessories therefor
- G10D13/01—General design of percussion musical instruments
- G10D13/02—Drums; Tambourines with drumheads
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
- G10D13/00—Percussion musical instruments; Details or accessories therefor
- G10D13/10—Details of, or accessories for, percussion musical instruments
- G10D13/20—Drumheads
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
- G10D13/00—Percussion musical instruments; Details or accessories therefor
- G10D13/10—Details of, or accessories for, percussion musical instruments
- G10D13/22—Shells
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
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Abstract
The invention discloses a kind of large-scale drum manufacturing methods, comprising: and one, impregnate mahogany and red cone wood, it dries, burns and obtain core material；Core material is sawed into mahogany plate and red vertebral plate；Two, natural air drying after impregnating mahogany plate and red vertebral plate, mahogany plate are main plate, and red vertebral plate is subplate block；Three, it is spliced into bulging body using main plate and subplate block, closes plate interspace；Four, drum body covers metal layer；Five, cattle hide is impregnated to obtain blood ox-hide；Six, blood ox-hide will be gone to air-dry and obtain half-dried ox-hide；Seven, half-dried ox-hide is dried to obtain dry ox-hide；Eight, it stands dry ox-hide to obtain drum head；Nine, setting increases vibrating device in drum body；Ten, drum head is strutted to form drum surface；11, the both ends that garter spring is nested into bulging body are obtained into strong drum.The stretching device that devises of the invention stretches ox-hide, and the ox-hide elasticity after stretching is more preferable, and toughness is higher, and vibration is strong, and sound is rung, and reduces cracking.
Description
Technical field
The present invention relates to musical instrument technical fields, it is more particularly related to a kind of large-scale drum manufacturing method.
Background technique
It is the one kind for strengthening drum that Mashan, which can rouse, and nowadays Mashan can rouse formally is included in the immaterial text of Guangxi Zhuang Autonomous Region grade
Change Heritage reservation register, and flatten load, three part folk song of Zhuang with Zhuang and be known as " Mashan Triratna ", participates in study and concert party
Bulging number is constantly soaring.Mashan can be roused for spectacular style performance, therefore it is required that drum sound is grand simple and honest, ability of making a show of power
By force, sound transmission is remote.
The production method of traditional drum selects harder wood to be sawed into plate, will be spliced to form drum after plate polishing light
Body forms drum head after being set in bulging body both ends tensioning after selecting ox-hide to air-dry.There are the following problems for the drum worked it out in this way:
Firstly, timber damping capacity itself is stronger, the drum chamber reverberation effect that pure wood is made into is bad and sound is wooden, although sound is enough
It is simple and honest, but loudness is inadequate, drum sound penetrability is also inadequate；Secondly, density of wood is smaller, and molecular arrangement is inadequate with metal phase ratio
Closely, after even across being polished for a plurality of times, wood surface still remains more hollow and pore, these hollows and pore accelerate
The decaying of sound influences to resonate；In addition, by natural air drying ox-hide there are thickness compared with tom-tom oppressiveness, toughness it is poor be easy
The problem of cracking.
In addition, the drum body of traditional drum is spliced to form by multiple plates, since the defective tightness of plate direct splicing causes
Drum chamber is not closed enough, and sound is easy to leak, and furthermore traditional drum body is easier to loosely, use the longevity after splicing by plate direct splicing
Life is not grown.
Therefore it needs to design a kind of large size drum manufacturing method for being able to solve the above problem.
Summary of the invention
It is an object of the invention to solve at least the above defect, and provide the advantages of at least will be described later.
It is a further object to provide a kind of systems of large size drum that can be improved bulging body tightness and service life
Make method.
In order to realize that these purposes and other advantages according to the present invention, the present invention provide a kind of large-scale drum manufacturing method,
Wherein, comprising the following steps:
Step 1: mahogany and red cone wood to be placed in limewash and impregnate 1-2 days, then takes out and dry, can effectively go
Except wood surface helminth, and accelerates not tough and tensile enough some materials and rot in order to remove；By the mahogany dried and red cone
Wood, which is placed in water, to be impregnated 5-6 months, is then taken out and is dried again, is released by the wood internal stress of immersion, cracking phenomena
It reduces；The mahogany dried again and red coning row baked wheaten cake are handled, so that wood surface forms 1-2 centimetres of carburization zone, remove carbon
Core material is obtained after changing layer, obtains poor wooden of surface quality, while burning processing and wood surface is enabled to form oxide layer,
Insect pest is reduced, the timber quality after burning is also more hard clear and melodious, and manufactured drum chamber echo effect is more preferable；The core material is cut
It at plate, is subsequently placed in after being impregnated 15-20 days in resin and is dried to obtain dry mahogany and extra dry red wine vertebra wood, resin can effectively improve wood
Dry mahogany is sawed into the mahogany plate of certain specification by material antiseptic property, and extra dry red wine vertebra wood saw is cut into the red vertebral plate of certain specification.
Step 2: the silica dioxide granule that partial size is 10-50 microns is mixed with wood wax oil according to the mass ratio of 1:10
To immersion liquid, the mahogany plate and red vertebral plate are placed in the immersion liquid and impregnated 25-30 days, takes out natural air drying, mahogany plate conduct
Main plate, red vertebral plate is as subplate block；Oil in wood wax oil can penetrate into wood internal, give timber deep layer and moisten maintenance；Wax
It can combine closely with lumber fibre, enhance surface hardness, water proof anti-soil, wear-resisting anti-scratch, such gold is combined to be provided to timber
Outstanding maintenance and decoration function；The macrovoid of timber is generally in 50 microns simultaneously, these macrovoids are to sound
Decaying play very big effect, in order to fill up these holes, the present invention uses 10-50 microns of silica dioxide granule, this
A little particles penetrate into wood internal with wood wax oil, and the macrovoid of timber is filled up, so that the surface of timber is more smooth,
Drum chamber reverberation effect obtained is more preferable.
Step 3: using three pieces of main plates and the combined and spliced drum body at cylindrical structure of several subplate blocks, every piece of main plate
Between across identical quantity subplate block, after rosin and rubber are mixed hot melt according to the mass ratio of 1:1, be applied to main plate and
On the contact gap between contact gap and subplate block between subplate block, body hoop then will be roused external using outer toroid
Tightly, drum body is supported in inside using interior annular, the outer toroid is provided with multiple and is placed equidistant with, and the interior annular is provided with
Multiple and be placed equidistant with, the interior annular and outer toroid are corresponding so that stress equalization inside and outside the bulging body；Wherein, along institute
It states and is provided with multiple hemispheric protrusions on the inside of outer toroid, it is described hemispheric convex when the outer toroid will rouse body banding
It rises and increases the friction with drum body to prevent outer toroid from sliding；Multiple conical salient points are provided on the outside of the interior annular,
When the interior annular is to drum body support, the conical salient point increases the friction with drum body to prevent interior annular from sliding；It is interior
Outer toroid can effectively improve the structural strength of bulging body, loose when avoiding drum in percussion, significantly improve the use of bulging body
Service life.It has been found that outer toroid or interior annular are because friction is small and leads with drum body when installation outer toroid and interior annular
Cause sliding it is unsceptered, be unfavorable for the installation of outer toroid and interior annular and the permanent holding of position, for the ease of installation and it is inside and outside
Annulus is maintained at the same position of bulging body for a long time, is arranged to add to the convex of friction on the side that interior outer toroid is contacted with drum body
It rises and salient point, protrusion and salient point can be pricked tightly with drum, also sliding can not be again to drum body after avoiding inside and outside annulus positioning
Support or banding, while outer toroid can be avoided protrusion using hemispheric protrusion and pierce out too deep hole and influence beauty, it is interior
Annulus enables to salient point to prick more steady in drum body inner wall using conical salient point.By rosin and rubber according to the quality of 1:1
After mixing hot melt, it is applied on the contact gap between plate；Gap between plate is easy to cause sound to reveal, and influences to rouse
The echo effect of chamber, it is therefore desirable to be closed using colloid, the light weight of rosin, sealing effect is good, but more crisp, excessive when vibrating
Shi Rongyi is shatter and falls, and the toughness of rubber can be effectively played with rubber mix, avoids rosin is shatter from falling.
Step 4: covering metal layer on the inner wall of the bulging body, the area of the metal layer accounts for bulging body inner wall area
Half or more；For metal material is with respect to timber, the surface flatness after polishing smooth is higher, while having more
Good sound feedback effect, so that echo is stronger in drum chamber, drum sound is also more grand simple and honest, solves traditional wooden drum drum body excessively
Oppressiveness, not loud enough problem.
Step 5: the acetic acid that 20-30 milliliter are added in every liter of water is uniformly mixed to obtain acetum, by acetum plus
Heat arrives 45-50 DEG C, and after cattle hide is then put into immersion 1-2 hours, acetum is cooled to 5-8 DEG C, continues to impregnate 1-2 days
After obtain blood ox-hide；Ox-hide surface adhesion has more watery blood, and the color of drum head is influenced after the solidification of these watery blood, is easy simultaneously
Cause insect pest, influences guaranteeing the quality for drum head, therefore watery blood can be removed using warm water immersion, while the oil of part can be removed
Rouge；Acetic acid plays the role of softening ox-hide, so that the toughness of ox-hide is more preferable.
Step 6: by it is resulting go blood ox-hide carry out suspension air-dry, in air drying process carry out gravity stretching, air-dry to aqueous
Rate 45-50%, then removing goes the fat lump on blood ox-hide surface to obtain half-dried ox-hide；Grease is excessively easy to influence the matter of drum head
Amount, while being easy to meet with inviting insect pest, it is therefore necessary to remove.
Step 7: resulting half-dried ox-hide is dried under 50-55 DEG C of environment, mechanical stretching is carried out while drying,
Drying time is to obtain within 1-2 days dry ox-hide；Under the temperature environment, the softening degree of ox-hide is good, and surface molecular activity is high, together
When remain in the fat on ox-hide surface and start to melt, carry out continuing to stretch at this time again that ox-hide can be made more and more thinner, elasticity is got over
It is better to come, and the drum body for vibrating generation is more loud and clear, while the fat melted can be starting lubricating action in stretching, avoid machinery
Damage.
It more than two weeks may act as drum head Step 8: resulting dry ox-hide is stood under ventilated environment；By
Ox-hide after stretching needs to stand sizing.
Step 9: increasing vibrating device in the bulging body inner wall setting, increases vibrating device and include at least four springs, disk and metal
The first end of piece, spring snaps onto interior annular, and second end snaps on disk, spring disk is involved from surrounding so that
Disk is hanging, and the first end of sheet metal is fixed on disk, and second end stretches outward, and the length of sheet metal is the one of length
Half, the thickness of disk is no more than 1 centimetre, and the thickness of sheet metal is no more than 0.5 centimetre；By increasing vibration device, so that strong drum
During percussion, the vibration device in drum chamber forms resonance, and amplitude is bigger, and the sound for vibrating generation is also more deep simple and honest,
So that strong drum sound gesture is stronger, sound passes farther.Increasing vibrating device simultaneously includes spring and sheet metal, and spring and sheet metal are distinguished
It connecting with disk, during percussion, spring and elastic slip vibrate together, and the simple setting sheet metal of amplitude ratio is bigger,
Therefore the sound generated is also simpler and more honest than sheet metal is arranged in drum chamber merely.In addition, drum head can also be vibrated by increasing vibrating device
Pronunciation is adjusted, and avoids the drum sound being excessively sharp.
Step 10: strutting the drum head to form drum surface using garter spring, be fixed to each other between garter spring and drum head, garter spring it is big
The small both ends for being set as that bulging body can just be nested into.
Step 11: the garter spring to be nested into the both ends of bulging body, the garter spring at drum body both ends is connected by screw rod, and is passed through
Screw rod adjusts the distance between two garter springs so that drum head covers tightly at the both ends of drum body to get arriving the strong drum.
Preferably, in the large size drum manufacturing method, the resin in the step 1 is epoxy resin.With preferable
Antiseptic property.
Preferably, in the large size drum manufacturing method, the mahogany plate thickness is 5 centimetres, and width is 8 centimetres；Institute
Red vertebral plate is stated with a thickness of 3 centimetres, width is 8 centimetres.Mahogany plate is strong as the structure that main plate can increase drum body in structure
Degree and stability；Have simultaneously and undertake sound beam action, there is adjustment effect to sound, keep sound balance and conduction, so that
Simple and honest sound is more easier to blaze abroad.
Preferably, in the large size drum manufacturing method, the outer toroid is provided with 3, and 3 outer toroids are equidistantly set
It sets；The interior annular is provided with 3, and 3 interior annulars are placed equidistant with, and the outer toroid and interior annular are corresponding.
Preferably, in the large size drum manufacturing method, the metal layer is copper foil or iron sheet.
Preferably, in the large size drum manufacturing method, width identical with subplate block is arranged in the copper foil or iron sheet,
One block of copper foil or iron sheet are attached at interval of one piece of subplate block.
Preferably, in the large size drum manufacturing method, the bulging body inner wall is divided into three sections of area equalizations of upper, middle and lower
Annular section, the metal layer is attached on upper section and lower end annular section.
Preferably, in the described large size drum manufacturing method, in the step 6, using 20kg or more gravity block to removing blood
Ox-hide is stretched.
Preferably, in the large size drum manufacturing method, using stretching device to the half-dried ox in the step 7
Skin carries out mechanical stretching；The stretching device includes: Eccentric cylinder, and carry out eccentric rotary is driven by motor；Driven roller,
Surface is provided with multiple ball-type protrusions, and the driven roller is parallel with the Eccentric cylinder；The bias is arranged in roll adjustment guide rail
Between roller and driven roller, pedestal is equipped on the roll adjustment guide rail, the driven roller is set up on the base,
The pedestal is moved along the roll adjustment track to adjust the distance between the driven roller and Eccentric cylinder；Wherein, it is described from
Dynamic drums inside is provided with heating module, and the heating module includes heater strip, power supply and the temperature detect switch (TDS) of series connection forming circuit,
The inner wall that the heater strip is distributed in the driven roller is used to heat driven roller, and the temperature detect switch (TDS) is arranged in the institute
55 DEG C or more open circuits are stated inside driven roller and are configured to, 55 DEG C with underpass.In use, ox-hide is connected to be formed as belt one
Then the cyclic structure of sample covers between Eccentric cylinder and driven roller, adjustment base is tensioned ox-hide by driven roller, so
Starting motor drives Eccentric cylinder rotation to carry out mechanical stretching to ox-hide afterwards, and Eccentric cylinder can carry out rhythmical one to ox-hide
A strong weak stretching, so that ox-hide is sufficiently involved, elasticity and toughness become more preferable.Setting heating module can be improved roller table
On the one hand the temperature in face can be improved the toughness of ox-hide, avoid being drawn so that can heat to ox-hide during stretching
Disconnected, temperature as another aspect can make the fat thawing on ox-hide surface form lubricant, and cylinder surface is avoided to scratch ox
Skin.
The present invention is include at least the following beneficial effects:
Large size drum manufacturing method of the invention makes the drum chamber echo effect of bulging body reduction cracking while drum body inner wall more
Good, sound is louder and clearer, solves traditional wooden drum drum body and is easy cracking, drum sound is too wooden, and loudness is inadequate, and penetration power is bad to ask
Topic.
In large size drum manufacturing method of the invention, metal layer is attached in drum chamber inner wall, so that the reverberation effect of drum chamber is good, altogether
Intensity of shaking is high, and sound is rung enough, solves in the strong drum of tradition and uses timber more as wood surface hollow existing for drum body, sound
Decay fast problem.
It devises stretching device in large size drum manufacturing method of the invention to stretch ox-hide, the ox-hide elasticity after stretching
More preferably, toughness is higher, and vibration is strong, and sound is rung, while reducing cracking, and it is heavy to solve drum body existing for the air-dried ox-hide of traditional natural
Bored, drum head poor toughness is easy the problem of cracking.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present invention for increasing vibrating device；
Fig. 2 is the structural schematic diagram of stretching device of the present invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
As shown in Figure 1, increasing the inside that drum body 1 is arranged in vibrating device 2, interior annular is provided with support drum on drum 1 inner wall of body
Body, increasing vibrating device 2 includes: spring 3, disk 4 and sheet metal 5, and the first end of spring 3 snaps onto interior annular, second end snapping
On disk 4, spring 3 involves disk 4 from multiple directions so that disk 4 is hanging, and the first end of sheet metal 5 is fixed on circle
On disk 4, second end stretches outward, and the length of sheet metal 5 is the half of 3 length of spring, and the thickness of disk 4 is no more than 1 centimetre, gold
The thickness for belonging to piece 5 is no more than 0.5 centimetre, so that vibration is more easier to occur.
As shown in Fig. 2, stretching device includes: Eccentric cylinder 6, carry out eccentric rotary is driven by motor；Driven roller 7,
Its surface is provided with multiple ball-type protrusions, and the driven roller 7 is parallel with the Eccentric cylinder 6；Institute is arranged in roll adjustment guide rail 9
State between Eccentric cylinder 6 and driven roller 7, pedestal 8 be equipped on the roll adjustment guide rail 9, opened up on pedestal 8 it is fluted,
Groove clamps roll adjustment guide rail 9 to form cooperation, is provided on pedestal and tightens screw, roll adjustment can be withstood when tightening screw-driving and is led
Rail makes pedestal and roll adjustment guide rail relatively fixed, and tightening can allow pedestal to slide with respect to roll adjustment guide rail after screw is unscrewed,
The driven roller 7 is erected on the pedestal 8, and the pedestal 8 is moved along the roll adjustment track 9 to adjust the driven roller
The distance between 7 and Eccentric cylinder 6；Wherein, the driven roller 7 is internally provided with heating module, and the heating module includes
Heater strip, power supply and the temperature detect switch (TDS) for forming circuit of connecting, the heater strip be distributed in the inner wall of the driven roller 7 for pair
Driven roller heating, the temperature detect switch (TDS) setting is in 7 inside of driven roller and is configured to 55 DEG C or more open circuits, and 55 DEG C
With underpass.In use, circlewise by ox-hide connection, being then set on Eccentric cylinder and driven roller, passing through adjustment base
So that ox-hide is tensioned, then starts motor and stretched.
Embodiment 1
A kind of large-scale drum manufacturing method, wherein the following steps are included:
Step 1: mahogany and red cone wood to be placed in limewash and impregnate 1-2 days, then takes out and dry；The mahogany that will be dried
It is placed in water immersion 5 months with red cone wood, then takes out and dries again；The mahogany dried again and red coning row baked wheaten cake are handled, made
The carburization zone that wood surface forms 1 centimetre is obtained, obtains core material after removing carburization zone；The core material is cut into plate, is subsequently placed in
It is dried to obtain dry mahogany and extra dry red wine vertebra wood after impregnating 15 days in resin, dry mahogany sawing is grown up 1.5 meters, it is 8 centimetres wide, it is 5 lis thick
Extra dry red wine vertebra wood saw is cut into 1.5 meters long, 8 centimetres wide, thick 3 centimetres of red vertebral plate by the mahogany plate of rice.
Step 2: partial size is mixed to get leaching according to the mass ratio of 1:10 for 50 microns of silica dioxide granule and wood wax oil
The mahogany plate and red vertebral plate are placed in the immersion liquid and impregnate 30 days by liquid, take out natural air drying, use mahogany plate as mainboard
Block, red vertebral plate is as subplate block.
Step 3: using three pieces of main plates and the combined and spliced drum body at cylindrical structure of 33 pieces of subplate blocks, every piece of main plate
Between across identical quantity subplate block, after rosin and rubber are mixed hot melt according to the mass ratio of 1:1, be applied to main plate and
On the contact gap between contact gap and subplate block between subplate block, body hoop then will be roused external using outer toroid
Tightly, drum body is supported in inside using interior annular, the outer toroid is provided with 4 and is placed equidistant with, and the interior annular is provided with 4
A and be placed equidistant with, the interior annular and outer toroid are corresponding inside and outside the bulging body；Wherein, it is set on the inside of the outer toroid
Multiple hemispheric protrusions are equipped with, raised height is between 1~2 millimeter, when the outer toroid will rouse body banding, described half
Spherical protrusion increases the friction with drum body to prevent outer toroid from sliding；Multiple pyramid types are provided on the outside of the interior annular
Salient point, the height of salient point is between 2~4 millimeters, and when the interior annular is to drum body support, the conical salient point increases
Friction with drum body is to prevent interior annular from sliding.
Step 4: covering copper foil on the inner wall of the bulging body, the area of the copper foil accounts for two points of bulging body inner wall area
One of.
Step 5: the acetic acid that 20 milliliters are added in every liter of water is uniformly mixed and obtains acetum, acetum is heated
To 45 DEG C, after cattle hide is then put into immersion 2 hours, acetum is cooled to 8 DEG C, continues to obtain blood after impregnating 2 days
Ox-hide.
Step 6: going blood ox-hide hang air-dried, the gravity stretching of 20 kilograms of progress in air drying process, wind for resulting
It does to moisture content 50%, then removing goes the fat lump on blood ox-hide surface to obtain half-dried ox-hide.
Step 7: resulting half-dried ox-hide is dried under 50 DEG C of environment, mechanical stretching is carried out while drying, is dried
Time is to obtain within 2 days dry ox-hide.
Step 8: resulting dry ox-hide is stood to two weeks under ventilated environment may act as drum head.
Step 9: increasing vibrating device in the bulging body inner wall setting, it is as described above to increase vibrating device.
Step 10: strutting the drum head to form drum surface using garter spring, be fixed to each other between garter spring and drum head, garter spring it is big
The small both ends for being set as that bulging body can just be nested into.
Step 11: the garter spring to be nested into the both ends of bulging body, the garter spring at drum body both ends is connected by screw rod, and is passed through
Screw rod adjusts the distance between two garter springs so that drum head covers tightly at the both ends of drum body to get arriving the strong drum.
Embodiment 2
A kind of large-scale drum manufacturing method, wherein the following steps are included:
It is impregnated 2 days Step 1: mahogany and red cone wood are placed in limewash, then takes out and dry；By the mahogany dried and
Red cone wood is placed in water immersion 6 months, then takes out and dries again；The mahogany dried again and red coning row baked wheaten cake are handled, so that
Wood surface forms 2 centimetres of carburization zone, obtains core material after removing carburization zone；The core material is cut into plate, is subsequently placed in ring
Dry mahogany and extra dry red wine vertebra wood are dried to obtain after impregnating 20 days in oxygen resin, the mahogany plate thickness is 5 centimetres, and width is 8 centimetres；
The red vertebral plate is with a thickness of 3 centimetres, and width is 8 centimetres, and length is 1.2 meters.
Step 2: partial size is mixed to get leaching according to the mass ratio of 1:10 for 0 micron of silica dioxide granule and wood wax oil
The mahogany plate and red vertebral plate are placed in the immersion liquid and impregnate 30 days by liquid, take out natural air drying, mahogany plate as main plate,
Red vertebral plate is as subplate block.
Step 3: using three pieces of main plates and the combined and spliced drum body at cylindrical structure of 33 subplate blocks, every piece of main plate it
Between across the subplate block of identical quantity be applied to main plate and pair after rosin and rubber are mixed hot melt according to the mass ratio of 1:1
On the contact gap between contact gap and subplate block between plate, body banding then will be roused external using outer toroid,
Drum body is supported in inside using interior annular；Wherein, multiple hemispheric protrusions are provided on the inside of the outer toroid, protrusion
Height between 1~2 millimeter, the outer toroid will drum body banding when, the hemispheric protrusion increases and rouses body and rub
It wipes to prevent outer toroid from sliding；Multiple conical salient points are provided on the outside of the interior annular, the height of salient point is 2~4
Between millimeter, when the interior annular is to drum body support, the conical salient point increases the friction with drum body to prevent inner circle
Ring sliding；The outer toroid is provided with 3, and 3 outer toroids are placed equidistant with；The interior annular is provided with 3,3 interior annulars etc.
Away from setting, and the outer toroid and interior annular are corresponding.
Step 4: the bulging body inner wall to be divided into the annular section of three sections of area equalizations of upper, middle and lower, in upper section and lower end
Iron sheet is covered on annular section.
Step 5: the acetic acid that 30 milliliters are added in every liter of water is uniformly mixed and obtains acetum, acetum is heated
To 50 DEG C, after cattle hide is then put into immersion 2 hours, acetum is cooled to 8 DEG C, continues to obtain blood after impregnating 2 days
Ox-hide.
Step 6: by it is resulting go blood ox-hide carry out suspension air-dry, in air drying process carry out the stretching of 20kg gravity, air-dry to
Moisture content 50%, then removing goes the fat lump on blood ox-hide surface to obtain half-dried ox-hide.
Step 7: resulting half-dried ox-hide is dried under 55 DEG C of environment, carried out while drying using stretching device
Mechanical stretching, drying time are to obtain within 2 days dry ox-hide, and the stretching device is as described above.
Step 8: resulting dry ox-hide is stood to two weeks under ventilated environment may act as drum head.
Step 9: increasing vibrating device in the bulging body inner wall setting, the increasing vibrating device is as described above.
Step 10: strutting the drum head to form drum surface using garter spring, be fixed to each other between garter spring and drum head, garter spring it is big
The small both ends for being set as that bulging body can just be nested into.
Step 11: the garter spring to be nested into the both ends of bulging body, the garter spring at drum body both ends is connected by screw rod, and is passed through
Screw rod adjusts the distance between two garter springs so that drum head covers tightly at the both ends of drum body to get arriving the strong drum.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With.It can be applied to various suitable the field of the invention completely.It for those skilled in the art, can be easily
Realize other modification.
Claims (9)
1. a kind of large-scale drum manufacturing method, wherein the following steps are included:
Step 1: mahogany and red cone wood to be placed in limewash and impregnate 1-2 days, then takes out and dry；By the mahogany dried and red
Cone wood, which is placed in water, to be impregnated 5-6 months, is then taken out and is dried again；The mahogany dried again and red coning row baked wheaten cake are handled, so that
Wood surface forms 1-2 centimetres of carburization zone, obtains core material after removing carburization zone；The core material is cut into plate, is subsequently placed in
It is dried to obtain dry mahogany and extra dry red wine vertebra wood after impregnating 15-20 days in resin, dry mahogany is sawed into the mahogany plate of certain specification, it will
Extra dry red wine vertebra wood saw is cut into the red vertebral plate of certain specification；
Step 2: partial size is mixed to get leaching according to the mass ratio of 1:10 for 10-50 microns of silica dioxide granule and wood wax oil
The mahogany plate and red vertebral plate are placed in the immersion liquid and impregnate 25-30 days by liquid, take out natural air drying, mahogany plate is as mainboard
Block, red vertebral plate is as subplate block；
Step 3: using three pieces of main plates and the combined and spliced drum body at cylindrical structure of several subplate blocks, between every piece of main plate
Main plate and subplate are applied to after rosin and rubber are mixed hot melt according to the mass ratio of 1:1 across the subplate block of identical quantity
On the contact gap between contact gap and subplate block between block, body banding then will be roused external using outer toroid, will be made
With interior annular in inside to drum body support, the outer toroid is provided with multiple and is placed equidistant with, and the interior annular is provided with multiple
And be placed equidistant with, the interior annular and outer toroid are corresponding inside and outside the bulging body；Wherein, it is arranged along the inside of the outer toroid
There are multiple hemispheric protrusions, when the outer toroid will rouse body banding, the hemispheric protrusion increases the friction with drum body
To prevent outer toroid from sliding；Multiple conical salient points are provided on the outside of the interior annular, in the interior annular to drum body
When support, the conical salient point increases the friction with drum body to prevent interior annular from sliding；
Step 4: covering metal layer on the inner wall of the bulging body, the area of the metal layer accounts for two points of bulging body inner wall area
One of or more；
Step 5: the acetic acid that 20-30 milliliters are added in every liter of water is uniformly mixed and obtains acetum, acetum is heated to
45-50 DEG C, after cattle hide is then put into immersion 1-2 hours, acetum is cooled to 5-8 DEG C, continues to obtain after impregnating 1-2 days
To removing blood ox-hide；
Step 6: by it is resulting go blood ox-hide carry out suspension air-dry, in air drying process carry out gravity stretching, air-dry to moisture content
45-50%, then removing goes the fat lump on blood ox-hide surface to obtain half-dried ox-hide；
Step 7: resulting half-dried ox-hide is dried under 50-55 DEG C of environment, mechanical stretching is carried out while drying, is dried
Time is to obtain within 1-2 days dry ox-hide；
It more than two weeks may act as drum head Step 8: resulting dry ox-hide is stood under ventilated environment；
Step 9: increasing vibrating device in the bulging body inner wall setting, increases vibrating device and includes at least four springs, disk and sheet metal,
The first end of spring snaps onto interior annular, and second end snaps on disk, and spring involves disk from surrounding so that being justified
Disk is hanging, and the first end of sheet metal is fixed on disk, and second end stretches outward, and the length of sheet metal is the one of length
Half, the thickness of disk is no more than 1 centimetre, and the thickness of sheet metal is no more than 0.5 centimetre；
Step 10: strutting the drum head to form drum surface using garter spring, it is fixed to each other between garter spring and drum head, the size of garter spring is set
It is set to the both ends that can just be nested into bulging body；
Step 11: the garter spring to be nested into the both ends of bulging body, the garter spring at drum body both ends is connected by screw rod, and passes through screw rod
The distance between two garter springs are adjusted so that drum head covers tightly at the both ends of drum body to get to the strong drum.
2. large-scale drum manufacturing method as described in claim 1, wherein the resin in the step 1 is epoxy resin.
3. large-scale drum manufacturing method as described in claim 1, wherein the mahogany plate thickness is 5 centimetres, and width is 8 centimetres；
For the red vertebral plate with a thickness of 3 centimetres, width is 8 centimetres.
4. large-scale drum manufacturing method as described in claim 1, wherein the outer toroid is provided with 3, and 3 outer toroids are equidistant
Setting；The interior annular is provided with 3, and 3 interior annulars are placed equidistant with, and the outer toroid and interior annular are corresponding.
5. large-scale drum manufacturing method as described in claim 1, wherein the metal layer is copper foil or iron sheet.
6. large-scale drum manufacturing method as claimed in claim 5, wherein width identical with subplate block is arranged in the copper foil or iron sheet
Degree attaches one block of copper foil or iron sheet at interval of one piece of subplate block.
7. large-scale drum manufacturing method as described in claim 1, wherein it is equal that the bulging body inner wall is divided into three sections of areas of upper, middle and lower
Deng annular section, the metal layer is attached on upper section and lower end annular section.
8. large-scale drum manufacturing method as described in claim 1, wherein in the step 6, use 20kg or more gravity block pair
Blood ox-hide is gone to be stretched.
9. large-scale drum manufacturing method as described in claim 1, wherein using stretching device to described half-dried in the step 7
Ox-hide carries out mechanical stretching；The stretching device includes:
Carry out eccentric rotary is driven by motor in Eccentric cylinder；
Driven roller, surface are provided with multiple ball-type protrusions, and the driven roller is parallel with the Eccentric cylinder；
Roll adjustment guide rail is arranged between the Eccentric cylinder and driven roller, is equipped with pedestal on the roll adjustment guide rail, institute
It states driven roller to set up on the base, the pedestal is moved along the roll adjustment track to adjust the driven roller and bias
The distance between roller；
Wherein, the driven roller is internally provided with heating module, the heating module include series connection forming circuit heater strip,
Power supply and temperature detect switch (TDS), the inner wall that the heater strip is distributed in the driven roller are used to heat driven roller, the temperature control
Switch is arranged inside the driven roller and is configured to 55 DEG C or more open circuits, and 55 DEG C with underpass.
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| CN110390920A (en) * | 2019-07-17 | 2019-10-29 | 平顶山学院 | A kind of Improvement type is rich to be claped and preparation method thereof |
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| CN109605525B (en) | 2021-02-02 |
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