CN211758070U - A mould for producing bassoon - Google Patents
A mould for producing bassoon Download PDFInfo
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- CN211758070U CN211758070U CN202020068833.2U CN202020068833U CN211758070U CN 211758070 U CN211758070 U CN 211758070U CN 202020068833 U CN202020068833 U CN 202020068833U CN 211758070 U CN211758070 U CN 211758070U
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- tapered
- column
- producing
- hole
- conical
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Abstract
The utility model relates to a mould for producing Basong, including terrace die and die used cooperatively, the said terrace die includes the conical column with oval cross-section, the big head end of the said conical column has tie rods; the female die comprises a die holder, wherein a tapered hole with an oval section is formed in the die holder, and the tapered hole completely penetrates through the die holder; the taper of the tapered column is the same as that of the tapered hole, and the tapered column can extend into the tapered hole to form a plastic cavity with the hole wall of the tapered hole. The utility model discloses have and be used for producing end hoop and metal cap simultaneously to guarantee the shape of two parts and the requirement of tapered uniformity and precision, thereby guarantee the stability of cooperation elasticity between end hoop and the metal cap.
Description
Technical Field
The utility model belongs to the technical field of the technique of musical instrument manufacture and specifically relates to a mould for producing bassoon.
Background
The bassoon, also known as the "grand tube", is a bass musical instrument in the symphony orchestra wooden tube group. The bass zone tone of the Basong is dull and solemn, the middle tone zone tone is soft, sweet and full, the high tone is rich in dramatic, is suitable for expressing the feelings of serious, slow and dull, and is also suitable for expressing the witness and interest and moulding the ugly corner image.
Referring to fig. 1, the exploded view of the tail end structure of the existing bassoon includes a flat tube 1 and a metal cap 2 located at the tail end of the flat tube 1. A bottom hoop 11 is fixed at the tail end of the flat tube 1, and the metal cap 2 is hooped on the bottom hoop 11. The base band 11 includes a first conical tube 111 with an oval cross section and a first blocking piece 112 located at the small end of the first conical tube 111 and used for closing the small end of the first conical tube 111, and the first blocking piece 112 is welded and fixed with the first conical tube 111. The metal cap 2 comprises a second conical pipe 21 with an oval cross section and a second baffle 22 located at the small end of the second conical pipe 21 and used for closing the pipe orifice at the head end of the second conical pipe 21, and the second baffle 22 is fixedly connected with the second conical pipe 21 in a welding mode.
The above prior art solutions have the following drawbacks: the bottom hoop and the metal cap on the flat tube of the Barson are respectively manufactured by hands and are installed on the Barson instrument after being repaired and polished, and the bottom hoop and the metal cap are a pair of matching parts with elliptical cross sections and conicity. The technical requirements are that the bottom hoop and the metal cap are interlocked by the taper between the first conical tube body and the second conical tube body, the bottom hoop and the metal cap are matched tightly and cannot fall off during playing, and the inner cavity of the musical instrument can be manually disassembled and cleaned after the playing is finished. The manual processing of the parts has poor size and shape precision and large error, so that the matching tightness of the two parts is unstable, and the difficulty in the production of musical instruments is achieved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a mould for producing bassoon, it has can be used for producing end hoop and metal cap simultaneously to guarantee the requirement of the shape of two parts and tapering uniformity and precision, thereby guarantee the stability of cooperation elasticity between end hoop and the metal cap.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a mold for producing a baryon comprises a male mold and a female mold which are matched with each other, wherein the male mold comprises a conical column with an oval cross section, and a pull rod is arranged at the large head end of the conical column; the female die comprises a die holder, wherein a tapered hole with an oval section is formed in the die holder, and the tapered hole completely penetrates through the die holder; the taper of the tapered column is the same as that of the tapered hole, and the tapered column can extend into the tapered hole to form a plastic cavity with the hole wall of the tapered hole.
Through adopting above-mentioned technical scheme, process the first toper body of end hoop and the second toper body of metal cap through terrace die and the die that adopt the cooperation to use to ensure the uniformity and the precision of the tapering between first toper body and the second toper body, when linking together metal cap and end hoop, can guarantee the stability of cooperation elasticity between end hoop and the metal cap.
The present invention may be further configured in a preferred embodiment as: the pull rod is detachably connected with the conical column.
Through adopting above-mentioned technical scheme, when pull rod or toper post take place to damage or warp, can separately change between pull rod and the toper post to reduce the waste of cost.
The present invention may be further configured in a preferred embodiment as: the pull rod is connected with the conical column through threads.
Through adopting above-mentioned technical scheme, can be quick link together pull rod and toper post, also can be quick separate pull rod and toper post when dismantling.
The present invention may be further configured in a preferred embodiment as: the small end of the conical column is provided with a gasket detachably connected with the conical column.
Through adopting above-mentioned technical scheme, in the material returned, fashioned first toper body or second toper body glue easily on the toper post, thereby need strike the microcephaly end of toper post through the instrument and make first toper body or second toper body and toper post break away from to through setting up the gasket, thereby can strike on the gasket when striking, avoid directly striking the toper post and cause the shape of toper post microcephaly end to take place to warp.
The present invention may be further configured in a preferred embodiment as: the small end of the conical column is provided with a threaded hole, and the gasket is provided with a stud connected with the threaded hole in a threaded manner.
Through adopting above-mentioned technical scheme, can be swift install the gasket on the toper post or dismantle the gasket from the toper post.
The present invention may be further configured in a preferred embodiment as: and the end surface of the small end of the conical column is provided with a containing groove for containing the gasket.
Through adopting above-mentioned technical scheme, hide the gasket in the inside of toper post, avoid the gasket to influence the shaping effect of first toper body or second toper body when carrying out the shaping to first toper body or second toper body.
The present invention may be further configured in a preferred embodiment as: the hole wall of the conical hole is a smooth surface.
Through adopting above-mentioned technical scheme, make the outside surface of the first toper body of fashioned or second toper body be smooth surface to guarantee the appearance quality of base hoop and metal cap.
The present invention may be further configured in a preferred embodiment as: and a flange is arranged at one end of the pull rod, which is far away from the conical column.
Through adopting above-mentioned technical scheme, be convenient for pull the pull rod and remove.
The present invention may be further configured in a preferred embodiment as: and the small head end of the conical column is provided with an arc chamfer.
Through adopting above-mentioned technical scheme, be convenient for during first toper body or second toper body shaping toper post stretch into the inside that is used for forming the raw materials of first toper body or second toper body to carry out moulding to the raw materials.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the first conical pipe body of the bottom hoop and the second conical pipe body of the metal cap are processed by adopting a male die and a female die which are matched for use, so that the consistency and the precision of the taper between the first conical pipe body and the second conical pipe body are ensured, and the stability of the matching tightness between the bottom hoop and the metal cap can be ensured when the metal cap and the bottom hoop are connected together;
2. when the material returned, fashioned first toper body or second toper body was easily glued on the toper post, thereby need strike the microcephaly end of toper post through the instrument and make first toper body or second toper body and toper post break away from to through setting up the gasket, thereby can strike on the gasket when striking, avoid directly striking the toper post and cause the shape of toper post microcephaly end to take place to warp.
Drawings
FIG. 1 is an exploded view of a prior art baboon tail structure;
FIG. 2 is a schematic structural view of a mold;
FIG. 3 is a cross-sectional view of the male mold;
figure 4 is a cross-sectional view of the female mold.
In the figure, 1, flat tube; 11. a bottom hoop; 111. a first conical tube body; 112. a first baffle plate; 12. a metal cap; 121. a second conical tube; 122. a second baffle plate; 3. a male die; 31. a tapered post; 311. a first threaded hole; 312. a second threaded hole; 313. accommodating grooves; 314. chamfering with an arc; 32. a pull rod; 321. a threaded connection post; 322. a flange; 4. a female die; 41. a die holder; 42. a tapered hole; 5. a gasket; 51. a stud.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 2, for the utility model discloses a mould for producing bara pine, including terrace die 3 and die 4 that cooperate the use.
Referring to fig. 3, the male mold 3 includes a tapered column 31 having an elliptical cross section, and a tie rod 32, wherein the tapered column 31 is used to form a tapered inner hole of a first tapered tube of the bottom band and a tapered inner hole of a second tapered tube of the metal cap. The first threaded hole 311 is opened at the center of the end surface of the small end of the tapered column 31. The axis of the pull rod 32 is coincident with the axis of the conical column 31. One end of the pull rod 32 facing the tapered column 31 is provided with a threaded connection column 321 matched with the first threaded hole 311, and the threaded connection column 321 and the pull rod 32 are integrally formed. The rod 321 is connected by a screw thread adapted to the first screw hole 311, so that the pull rod 32 is connected with the tapered rod 31.
A flange 322 extending outward of the tie rod 32 is provided at an end of the tie rod 32 remote from the tapered column 31, and the flange 322 is integrally formed with the tie rod 32.
Referring to fig. 4, the female die 4 includes a cylindrical die holder 41, a tapered hole 42 having an elliptical cross section and disposed along an axis of the die holder is formed in the die holder 41, and a taper of the tapered hole 42 is the same as a taper of the tapered column 31 of the male die 3. The size of the tapered hole 42 is larger than that of the tapered column 31, so that when the tapered column 31 is inserted into the tapered hole 42, a plastic cavity for forming a first tapered tube body of the bottom hoop and a second tapered tube body of the metal cap is formed between the tapered column 31 and the wall of the tapered hole 42. The hole wall of the taper hole 42 is a smooth surface, so that when the first tapered pipe body and the second tapered pipe body are formed under the cooperation of the male die 3 and the female die 4, the outer side surfaces of the formed tapered pipe body and the second tapered pipe body are smooth surfaces, thereby ensuring the quality of the outer side surfaces of the bottom hoop and the metal cap.
Referring to fig. 3, a second threaded hole 312 is provided at the center of the small end face of the tapered rod 31, a gasket 5 attached to the end face of the small end of the tapered rod 31 is provided outside the small end of the tapered rod 31, and a projection of the gasket 5 to the small end of the tapered rod 31 is completely projected on the end face of the small end of the tapered rod 31 and is spaced from an edge of the end face of the small end of the tapered rod 31.
And a stud 51 matched with the second threaded hole 312 is arranged at one end of the gasket 5 facing the tapered column 31, and the stud 51 and the gasket 5 are integrally formed. The stud 51 is threadedly coupled to the second threaded bore 312 to mount the spacer 5 to the tapered post 31.
The small end of the tapered column 31 is provided with a receiving groove 313 for receiving the gasket 5, and the gasket 5 is hidden inside the tapered column 31 through the receiving groove 313.
When the production of the first conical pipe body or the second conical pipe body is completed, the first conical pipe body or the second conical pipe body can be reported on the conical column 31, the conical column 31 needs to be knocked when the materials are returned, and the small end of the conical column 31 is protected by arranging the gasket 5 at the small end of the conical column 31. The small end of the tapered post 31 is prevented from being deformed. When the gasket 5 is deformed, the gasket 5 can be removed from the tapered column 31 and replaced.
The edge at the small end of the tapered post 31 is provided with a rounded chamfer 314.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (9)
1. A mould for producing a bassoon, comprising a male mould (3) and a female mould (4) for cooperation, characterized in that: the male die (3) comprises a conical column (31) with an oval cross section, and a pull rod (32) is arranged at the large head end of the conical column (31); the female die (4) comprises a die holder (41), wherein a tapered hole (42) with an oval section is formed in the die holder (41), and the tapered hole (42) completely penetrates through the die holder (41); the taper of the tapered column (31) is the same as that of the tapered hole (42), and the tapered column (31) can extend into the tapered hole (42) to form a plastic cavity with the wall of the tapered hole (42).
2. A mold for producing a baryon as set forth in claim 1, wherein: the pull rod (32) is detachably connected with the conical column (31).
3. A mold for producing a baryon as set forth in claim 2, wherein: the pull rod (32) is in threaded connection with the conical column (31).
4. A mold for producing a baryon as set forth in claim 1, wherein: the small end of the conical column (31) is provided with a gasket (5) detachably connected with the conical column (31).
5. A mold for producing baryons according to claim 4, characterized in that: the small end of the conical column (31) is provided with a threaded hole, and the gasket (5) is provided with a stud (51) in threaded connection with the threaded hole.
6. A mold for producing baryons according to claim 5, wherein: and the end surface of the small end of the conical column (31) is provided with an accommodating groove (313) for accommodating the gasket (5).
7. A mold for producing a baryon as set forth in claim 1, wherein: the hole wall of the conical hole (42) is a smooth surface.
8. A mold for producing a baryon as set forth in claim 1, wherein: and a flange (322) is arranged at one end of the pull rod (32) far away from the conical column (31).
9. A mold for producing a baryon as set forth in claim 1, wherein: the small head end of the conical column (31) is provided with an arc chamfer (314).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020068833.2U CN211758070U (en) | 2020-01-13 | 2020-01-13 | A mould for producing bassoon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020068833.2U CN211758070U (en) | 2020-01-13 | 2020-01-13 | A mould for producing bassoon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211758070U true CN211758070U (en) | 2020-10-27 |
Family
ID=72893037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020068833.2U Active CN211758070U (en) | 2020-01-13 | 2020-01-13 | A mould for producing bassoon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211758070U (en) |
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2020
- 2020-01-13 CN CN202020068833.2U patent/CN211758070U/en active Active
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