CN113460455A

CN113460455A - Packing plant is used in musical instrument preparation

Info

Publication number: CN113460455A
Application number: CN202110544647.0A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Hunan Ruisheng Musical Instrument Manufacturing Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-10-01
Anticipated expiration: 2041-05-19
Also published as: CN113460455B

Abstract

The invention relates to the technical field of musical instrument packaging, in particular to a packaging device for musical instrument preparation, which comprises a packaging box, wherein the upper end of the packaging box is in threaded connection with a box cover, a driving part is fixedly arranged in the middle of the upper surface of the box cover, a throwing opening is formed in one side of the upper surface of the box cover, the upper end of the throwing opening is in threaded connection with a sealing cover, a supporting block is fixedly arranged at the bottom of the inner side of the packaging box, a lower frame is arranged above the supporting block, a containing barrel is fixedly arranged at the upper end of the lower frame, an upper frame is fixedly arranged at the upper end of the containing barrel, the containing barrel is hollow and the upper end of the containing barrel is communicated with the interior of the upper frame, and the containing barrels are distributed in a circumferential array around the central axis of the packaging box.

Description

Packing plant is used in musical instrument preparation

Technical Field

The invention relates to the technical field of musical instrument packaging, in particular to a packaging device for musical instrument preparation.

Background

The flute is ancient chinese musical instrument, and some flutes are bamboo, but also have the flute that stone flute, jade flute and rosewood were done, nevertheless, the best raw materials of preparation flute still are the bamboo, because the bamboo flute sound effect is better, and the cost of manufacture is lower, and the bamboo flute needs pack the transportation after production, but because the bamboo flute intensity is not high, and current bamboo flute packing is comparatively simple, when receiving the extrusion and colliding, warp easily, can not carry out effectual protection to the flute.

Disclosure of Invention

The invention aims to solve the defect of poor protection effect in the prior art, and provides a packaging device for preparing a musical instrument.

In order to achieve the purpose, the invention adopts the following technical scheme:

designing a packaging device for musical instrument preparation, comprising a packaging box, wherein the upper end of the packaging box is in threaded connection with a box cover, the middle part of the upper surface of the box cover is fixedly provided with a driving part, one side of the upper surface of the box cover is provided with a putting opening, the upper end of the putting opening is in threaded connection with a sealing cover, the bottom of the inner side of the packaging box is fixedly provided with a supporting block, a lower frame is placed above the supporting block, the upper end of the lower frame is fixedly provided with a containing cylinder, the upper end of the containing cylinder is fixedly provided with an upper frame, the containing cylinder is hollow and the upper end of the containing cylinder is communicated with the inside of the upper frame, the containing cylinders are distributed in a circumferential array manner around the central axis of the packaging box, the inner wall of one side of the packaging box is fixedly provided with glass windows, and the bottom of the packaging box is fixedly provided with universal wheels;

the driving part comprises a driven shaft, a linkage disk, a connecting disk, a driving disk, a convex column, a driving shaft, a rotating handle and a mounting shell, the mounting shell is fixedly mounted on the upper surface of the box cover, the upper end of the driving shaft is fixedly connected with the rotating handle, the lower end of the driving shaft penetrates through the mounting shell and is connected with the box cover in a rotating way, a driving disc is fixedly mounted on the part of the driving shaft, which is positioned on the inner side of the mounting shell, a connecting disc is fixedly arranged on the upper surface of the driving disc, a groove is arranged on one side of the connecting disc, the upper surface of the driving disc is fixedly connected with the convex column, the lower end of the driven shaft penetrates and extends to the lower part of the box cover and is fixedly connected with the upper frame, the upper end of the driven shaft is fixedly connected with the driven disc, the outer side surface of the driven disc is provided with an arc groove and a matching groove, and the arc groove and the matching groove are circumferentially distributed in an array mode around the central axis of the driven disc.

Preferably, still tighten the piece, tighten the piece and include pivot, stretch cord, restriction circle, installation pole, rubber sleeve, belt and motor, the inside fixed mounting of splendid attire section of thick bamboo has three rubber sleeve, pivot fixed mounting in underframe up end middle part, pivot outside fixed mounting has three stretch cord, the stretch cord is kept away from the tip of pivot with the rubber sleeve cup joints continuously, the restriction circle passes through installation pole fixed mounting in the underframe is fixed continuously, the restriction circle is located the inboard of rubber sleeve, and the stretch cord runs through the rubber sleeve sets up, the pivot lower extreme passes through the belt with motor drive links to each other, motor fixed mounting in the underframe upper surface.

Preferably, still include the locking piece, the locking piece includes mounting bracket, fixed block, electro-magnet, iron plate, rubber block and first spring, mounting bracket fixed mounting in the underframe surface, fixed block fixed mounting in the upper end of mounting bracket, electro-magnet fixed mounting in the inboard top of fixed block, the iron plate activity set up in the fixed block is inboard, iron plate upper end with first spring lower end is fixed to be linked to each other, first spring upper end with fixed block top both sides are fixed to be linked to each other, the rubber block upper end runs through fixed block bottom and with the iron block is fixed to be linked to each other, the rubber block lower extreme is located the top of motor control output.

Preferably, still include the bolster, the bolster includes even piece, second spring, extension board and sponge layer, go up the frame with the installation cavity has all been seted up to the inboard at underframe both ends, second spring fixed mounting in inside the installation cavity, even the inner activity of piece set up in the installation cavity, and second spring tip with even piece fixed linking to each other, even the piece outer end extend to the underframe outside and with the extension board is fixed to be linked to each other, the sponge layer is fixed paste set up in the extension board surface, the sponge layer surface with the packing box inner wall is laminated mutually.

Preferably, still include the drying piece, the drying piece includes dust screen, drier piece and closing cap, has seted up the standing groove including the inside one side of case lid, dust screen fixed mounting in the standing groove bottom, the drier piece place in the dust screen top, the closing cap screw thread set up in the standing groove top.

Preferably, the radius of the connecting disc is smaller than that of the driving disc, the convex columns can be matched with the matching grooves, the arc grooves can be matched with the outer side surfaces of the connecting disc, and the number of the matching grooves is the same as that of the containing cylinders.

Preferably, a sponge layer is fixedly adhered to the inner side of the sealing cover.

The packaging device for preparing the musical instrument, provided by the invention, has the beneficial effects that: the device is in the splendid attire flute, the flute of being convenient for to the flute is separated and is placed, can not influence other flutes in the flute of taking, and a splendid attire section of thick bamboo is established completely in the flute outside, can protect the flute, prevents that the flute is inside to get into dust etc. and the flute can not receive the striking under the protection of a splendid attire section of thick bamboo and packing box, avoids the flute to receive the striking in the transportation after packing, causes the rupture.

Drawings

FIG. 1 is a schematic structural view of a packaging device for musical instrument preparation according to the present invention;

FIG. 2 is a schematic cross-sectional view taken along line A-A in FIG. 1 of a packaging device for musical instrument preparation in accordance with the present invention;

FIG. 3 is a schematic cross-sectional view taken along line B-B in FIG. 1 of a packaging device for musical instrument preparation in accordance with the present invention;

FIG. 4 is a schematic cross-sectional view of the packing device for musical instrument preparation in another state of FIG. 3 according to the present invention;

FIG. 5 is an enlarged schematic view of a packaging device for musical instrument preparation at C in FIG. 1 in accordance with the present invention;

fig. 6 is an enlarged schematic structural view of a packaging device for musical instrument preparation in fig. 1 at D according to the present invention.

In the figure: the packing box comprises a packing box 1, a box cover 2, a driving part 3, a driven shaft 31, a driven plate 32, a groove 33, a connecting disc 34, a driving disc 35, a convex column 36, a driving shaft 37, a rotating handle 38, a mounting shell 39, an arc groove 310, a matching groove 311, a tightening part 4, a rotating shaft 41, an elastic rope 42, a limiting ring 43, a mounting rod 44, a rubber sleeve 45, a belt 46, a motor 47, a locking part 5, a mounting frame 51, a fixing block 52, an electromagnet 53, an iron block 54, a rubber block 55, a first spring 56, a buffering part 6, a mounting cavity 61, a connecting block 62, a second spring 63, a supporting plate 64, a sponge layer 65, a drying part 7, a placing groove 71, a dustproof net 72, a drying agent block 73, a sealing cover 74, an upper frame 8, a lower frame 9, a locking switch 10, a glass window 11, a placing opening 12, a sealing cover 13, a sponge layer 14, a supporting block 15, a universal wheel 16 and a containing barrel 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1

Referring to fig. 1-6, a packing plant for musical instrument preparation, includes packing box 1, and threaded connection has case lid 2 on packing box 1, and case lid 2 upper surface middle part fixed mounting has initiative piece 3, and case lid 2 upper surface one side has been seted up and has been put in mouth 12, and the threaded connection of putting in mouth 12 upper end has sealed lid 13, and sealed lid 13 inboard fixed pasting is equipped with sponge layer 14, puts in the inside flute that is used for putting in mouth 12, and sponge layer 14 extends to in putting in mouth 12.

The bottom of the inner side of the packing box 1 is fixedly provided with supporting blocks 15, a lower frame 9 is arranged above the supporting blocks 15, the lower frame 9 plays a supporting role through the supporting blocks 15, the upper end of the lower frame 9 is fixedly provided with containing cylinders 17, the interiors of the containing cylinders 17 are used for containing flutes, each containing cylinder 17 can contain a flute, the upper end of each containing cylinder 17 is fixedly provided with an upper frame 8, the interiors of the containing cylinders 17 are hollow, the upper ends of the containing cylinders 17 are communicated with the interiors of the upper frames 8, the containing cylinders 17 are distributed in a circumferential array around the central axis of the packing box 1, when the flutes are placed into the containing cylinders 17 from the feeding openings 12, the flutes can directly enter the containing cylinders 17, the inner wall of one side of the packing box 1 is fixedly provided with glass windows 11, the containing cylinders 17 which are positioned right below the feeding openings 12 are positioned on the inner sides of the glass windows 11, the flutes placed in the containing cylinders 17 can be observed through the glass windows 11, and the bottom of the packing box 1 is fixedly provided with universal wheels 16, the packing case 1 can be moved easily by means of universal wheels 16.

The driving part 3 comprises a driven shaft 31, a linkage disc 32, a connecting disc 34, a driving disc 35, a convex column 36, a driving shaft 37, a rotating handle 38 and a mounting shell 39, the mounting shell 39 is fixedly mounted on the upper surface of the box cover 2, the upper end of the driving shaft 37 is fixedly connected with the rotating handle 38, the lower end of the driving shaft 37 penetrates through the mounting shell 39 to be rotatably connected with the box cover 2, the driving disc 35 is fixedly mounted on the part, located on the inner side of the mounting shell 39, of the driving shaft 37, the connecting disc 34 is fixedly mounted on the upper surface of the driving disc 35, the rotating handle 38 is rotated outside to drive the driving shaft 37 to rotate, and the driving disc 35 and the connecting disc 34 can be driven to rotate together by the rotation of the driving shaft 37.

One side of the connecting disc 34 is provided with a groove 33, the upper surface of the driving disc 35 is fixedly connected with a convex column 36, the lower end of the driven shaft 31 penetrates and extends to the lower part of the box cover 2 and is fixedly connected with the upper frame 8, the upper end of the driven shaft 31 is fixedly connected with the driven disc 32, the outer side surface of the driven disc 32 is provided with an arc groove 310 and a matching groove 311, the arc groove 310 and the matching groove 311 are circumferentially distributed around the central axis of the driven disc 32 in an array manner, the radius of the connecting disc 34 is smaller than that of the driving disc 35, the convex column 36 can be matched with the matching groove 311, the arc groove 310 can be matched with the outer side surface of the connecting disc 34, the number of the matching grooves 311 is the same as that of the containing cylinders 17, when the driving disc 35 and the connecting disc 34 rotate, the groove 33 and the convex column 36 rotate together, when the protruding column 36 rotates and fits into the fitting groove 311, the end of the driven disc 32 fits into the groove 33, and then the protruding column 36 rotates 90 ° around the circumference to drive the driven disc 32.

The working principle is as follows: a flute is put into the containing cylinder 17 through the putting opening 12, then the sealing cover 13 is screwed, the upper end of the flute is protected through the sponge layer 14, when the flute is put into the containing cylinder 17, the bottom of the flute is contacted with the locking switch 10, when the flute is needed to be taken out, because the containing cylinder 17 is provided with a plurality of flutes, the same or different flutes are placed in the containing cylinder, the flute needed to be taken is observed through the glass window 11, then the rotating handle 38 is rotated, the rotating handle 38 can drive the driving shaft 37 to rotate, the driving shaft 37 can drive the driving disc 35 and the connecting disc 34 to rotate, then the driven disc 32 is driven to rotate through the convex column 36, the driven disc 32 rotates, the upper frame 8 can be driven to rotate through the driven shaft 31, thereby the containing cylinder 17 rotates, the flute is driven to rotate when the containing cylinder 17 rotates, and when the flute needed to be taken out is observed through the glass window 11, the rotating handle 38 stops rotating, then the sealing cover 13 is opened, the flute is pressed by fingers, so that the flute triggers the locking switch 10, the locking switch 10 can be upwards bounced after being triggered, the flute is upwards bounced, and then the flute is quickly taken out.

Example 2

In order to solve the problem that the flute is easy to crack when being placed into the containing tube 17 for storage, the present embodiment is provided with reference to fig. 1-2, as another preferred embodiment of the present invention, on the basis of embodiment 1, the present invention further comprises a tightening member 4, the tightening member 4 comprises a rotating shaft 41, elastic cords 42, a limiting ring 43, a mounting rod 44, rubber sleeves 45, a belt 46 and a motor 47, three rubber sleeves 45 are fixedly mounted inside the containing tube 17, the rotating shaft 41 is fixedly mounted in the middle of the upper end surface of the lower frame 9, three elastic cords 42 are fixedly mounted outside the rotating shaft 41, the end of the elastic cord 42 far from the rotating shaft 41 is connected with the rubber sleeves 45 in a sleeved manner, the limiting ring 43 is fixedly mounted on the lower frame 9 through the mounting rod 44, the limiting ring 43 is located inside the rubber sleeves 45, the elastic cord 42 is arranged through the rubber sleeves 45, the lower end of the rotating shaft 41 is connected with the motor 47 through the belt 46 in a transmission manner, the motor 47 is fixedly mounted on the upper surface of the lower frame 9.

Still include locking part 5, locking part 5 includes mounting bracket 51, fixed block 52, electro-magnet 53, iron plate 54, rubber block 55 and first spring 56, mounting bracket 51 fixed mounting is on the surface of underframe 9, fixed block 52 fixed mounting is in the upper end of mounting bracket 51, electro-magnet 53 fixed mounting is in the inboard top of fixed block 52, the activity of iron block 54 sets up in fixed block 52 inboardly, iron block 54 upper end is fixed continuous with first spring 56 lower extreme, first spring 56 upper end is fixed continuous with fixed block 52 top both sides, rubber block 55 upper end runs through fixed block 52 bottom and is fixed continuous with iron block 54, rubber block 55 lower extreme is located the top of motor 47 control output.

When the motor 47 starts, the rotating shaft 41 is driven to rotate through the belt 46, the rotating shaft 41 rotates to drive the elastic rope 42 to move, the end part of the elastic rope 42, which is far away from the rotating shaft 41, is sleeved outside the rubber sleeve 45, therefore, the elastic rope 42 can be tightened along with the rotation of the rotating shaft 41, when the elastic rope 42 is tightened towards the rotating shaft 41, under the limitation of the limiting ring 43, the elastic rope 42 can tighten up the rubber sleeve 45, when the rubber sleeve 45 is tightened up, the outer side of the flute is bound, thereby realizing the binding effect on the flute, and reducing the possibility of the flute cracking.

The locking piece 5 mainly limits the output end of the motor 47, and after the elastic rope 42 is tightened, if the motor 47 is turned off, the output end of the motor 47 can rotate under the elastic action of the elastic rope 42 and cannot be stationary.

When the power of the motor 47 is turned off, the power inside the electromagnet 53 is also turned off, the power inside the electromagnet 53 is turned off, under the elastic action of the first spring 56, the electromagnet 53 and the iron block 54 are separated from each other, the iron block 54 is pressed downwards by the first spring 56, the iron block 54 moves downwards and drives the rubber block 55 to move downwards, the rubber block 55 can be in contact with the output shaft of the motor 47, the output shaft of the motor 47 is fixed through friction, the tightening state of the elastic rope 42 can be maintained, the rotation of the output shaft after the motor 47 rotates can be prevented, the elastic rope 42 is prevented from being restored to the original state, when the elastic rope 42 needs to be loosened, the power inside the electromagnet 53 is turned on, the electromagnet 53 and the iron block 54 are attracted, the first spring 56 is compressed, the rubber block 55 is axially far away from the output shaft of the motor 47, and at the moment, the elastic rope 42 can rebound to be restored to the original state.

Example 3

Referring to fig. 1 and 5, as another preferred embodiment of the present invention, on the basis of embodiment 1 or embodiment 2, the present invention further includes a buffer 6, where the buffer 6 includes a connecting block 62, a second spring 63, a support plate 64 and a sponge layer 65, the inner sides of the two ends of the upper frame 8 and the lower frame 9 are both provided with a mounting cavity 61, the second spring 63 is fixedly mounted inside the mounting cavity 61, the inner end of the connecting block 62 is movably disposed in the mounting cavity 61, the end of the second spring 63 is fixedly connected with the connecting block 62, the outer end of the connecting block 62 extends to the outer side of the lower frame 9 and is fixedly connected with the support plate 64, the sponge layer 65 is fixedly attached to the surface of the support plate 64, and the surface of the sponge layer 65 is attached to the inner wall of the packing box 1.

The second spring 63 is in an unfolded state, when the upper frame and the lower frame are shaken, the support plate 64 and the packaging box 1 are extruded, the connecting block 62 extrudes the second spring 63 under the extrusion of the support plate 64, and the second spring 63 plays a role in elastic buffering to buffer and lighten the shaking amplitude of the upper frame and the lower frame.

When the upper frame 8 and the lower frame 9 are arranged inside the installation box 1, the upper frame 8 is arranged in the installation box 1 through the rotation of the driven shaft 31, when the installation box 1 is impacted, the upper frame 8 and the lower frame 9 are likely to shake, the flute can impact the containing barrel 17 in the containing barrel 17, the flute is not damaged and broken, but bumping and colliding for long-time transportation, the flute is likely to be injured, the quality of the flute is influenced, the upper frame and the lower frame are protected through the buffer part 6, the impact force on the lower frame is reduced, and therefore the impact force between the containing barrel 17 and the flute is greatly reduced.

Example 4

Referring to fig. 1, as another preferred embodiment of the present invention, on the basis of embodiment 1, embodiment 2, or embodiment 3, the present invention further includes a drying unit 7, the drying unit 7 includes a dust screen 72, a drying agent block 73, and a cover 74, one side of the inside of the box cover 2 is provided with a placement groove 71, the dust screen 72 is fixedly installed at the bottom of the placement groove 71, the drying agent block 73 is placed above the dust screen 72, the cover 74 is screwed above the placement groove 71, the cover 74 seals the upper end of the placement groove 71, the drying agent block 73 is communicated with the inside of the packing box 1 through the dust screen 72, and the inside of the packing box 1 is dried through the drying agent block 73, so as to prevent the inside of the packing box 1 from being wet and affecting the preservation of the flute.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The packaging device for preparing the musical instrument comprises a packaging box (1) and is characterized in that the upper end of the packaging box (1) is in threaded connection with a box cover (2), a driving part (3) is fixedly mounted in the middle of the upper surface of the box cover (2), a throwing opening (12) is formed in one side of the upper surface of the box cover (2), a sealing cover (13) is in threaded connection with the upper end of the throwing opening (12), a supporting block (15) is fixedly mounted at the bottom of the inner side of the packaging box (1), a lower frame (9) is placed above the supporting block (15), a containing barrel (17) is fixedly mounted at the upper end of the lower frame (9), an upper frame (8) is fixedly mounted at the upper end of the containing barrel (17), the containing barrel (17) is hollow and is communicated with the upper frame (8) in the inner part, and is distributed in a circumferential array around the central axis of the packaging box (1), a glass window (11) is fixedly arranged on the inner wall of one side of the packing box (1), and universal wheels (16) are fixedly arranged at the bottom of the packing box (1);

the driving part (3) comprises a driven shaft (31), a linkage disc (32), a connecting disc (34), a driving disc (35), a convex column (36), a driving shaft (37), a rotating handle (38) and a mounting shell (39), the mounting shell (39) is fixedly mounted on the upper surface of the box cover (2), the upper end of the driving shaft (37) is fixedly connected with the rotating handle (38), the lower end of the driving shaft (37) penetrates through the mounting shell (39) to be rotatably connected with the box cover (2), the driving shaft (37) is located on the inner side of the mounting shell (39), the driving disc (35) is fixedly mounted on the upper surface of the driving disc (35), a groove (33) is formed in one side of the connecting disc (34), the upper surface of the driving disc (35) is fixedly connected with the convex column (36), the lower end of the driven shaft (31) penetrates through the lower part of the box cover (2) and is fixedly connected with the upper frame (8), driven shaft (31) upper end with driven plate (32) are fixed to be connected to each other, arc groove (310) and cooperation groove (311) have been seted up to driven plate (32) outside surface, arc groove (310) with cooperation groove (311) all centers on the central axis of driven plate (32) is the circumference array and distributes.

2. The packaging device for preparing the musical instrument according to claim 1, further comprising a fastening member (4), wherein the fastening member (4) comprises a rotating shaft (41), elastic cords (42), a limiting ring (43), a mounting rod (44), rubber sleeves (45), a belt (46) and a motor (47), three rubber sleeves (45) are fixedly mounted inside the containing barrel (17), the rotating shaft (41) is fixedly mounted in the middle of the upper end surface of the lower frame (9), three elastic cords (42) are fixedly mounted outside the rotating shaft (41), the end of the elastic cord (42) far away from the rotating shaft (41) is connected with the rubber sleeves (45) in a sleeved manner, the limiting ring (43) is fixedly mounted on the lower frame (9) through the mounting rod (44), and the limiting ring (43) is located inside the rubber sleeves (45), the elastic rope (42) penetrates through the rubber sleeve (45), the lower end of the rotating shaft (41) is in transmission connection with the motor (47) through the belt (46), and the motor (47) is fixedly mounted on the upper surface of the lower frame (9).

3. The packaging device for preparing the musical instrument is characterized by further comprising a locking piece (5), wherein the locking piece (5) comprises a mounting frame (51), a fixing block (52), an electromagnet (53), an iron block (54), a rubber block (55) and a first spring (56), the mounting frame (51) is fixedly arranged on the surface of the lower frame (9), the fixing block (52) is fixedly arranged at the upper end of the mounting frame (51), the electromagnet (53) is fixedly arranged at the top of the inner side of the fixing block (52), the iron block (54) is movably arranged at the inner side of the fixing block (52), the upper end of the iron block (54) is fixedly connected with the lower end of the first spring (56), the upper end of the first spring (56) is fixedly connected with two sides of the top of the fixing block (52), and the upper end of the rubber block (55) penetrates through the bottom of the fixing block (52) and is fixedly connected with the iron block (54), the lower end of the rubber block (55) is positioned above the control output end of the motor (47).

4. A packaging unit for musical instrument preparations according to claim 1, characterized by further comprising a cushioning member (6), the buffer piece (6) comprises a connecting block (62), a second spring (63), a support plate (64) and a sponge layer (65), the inner sides of the two ends of the upper frame (8) and the lower frame (9) are respectively provided with a mounting cavity (61), the second spring (63) is fixedly arranged in the mounting cavity (61), the inner end of the connecting block (62) is movably arranged in the mounting cavity (61), and the end of the second spring (63) is fixedly connected with the connecting block (62), the outer end of the connecting block (62) extends to the outer side of the lower frame (9) and is fixedly connected with the support plate (64), the sponge layer (65) is fixedly stuck on the surface of the support plate (64), the surface of the sponge layer (65) is attached to the inner wall of the packing box (1).

5. The packaging device for preparing the musical instrument according to claim 1, further comprising a drying piece (7), wherein the drying piece (7) comprises a dust screen (72), a drying agent block (73) and a cover (74), a placing groove (71) is formed in one side of the inside of the box cover (2), the dust screen (72) is fixedly installed at the bottom of the placing groove (71), the drying agent block (73) is placed above the dust screen (72), and the cover (74) is arranged above the placing groove (71) in a threaded manner.

6. A packing device for musical instrument preparation according to claim 1, wherein the radius of said connecting disc (34) is smaller than the radius of said driving disc (35), said boss (36) is fitted with said fitting groove (311), said arc groove (310) is fitted with the outer side surface of said connecting disc (34), and the number of said fitting grooves (311) is the same as the number of said containing cylinders (17).

7. A packing device for musical instrument preparation according to claim 1, wherein a sponge layer (14) is fixedly adhered to the inside of the sealing cover (13).