CN109049243A - A kind of piano soundboard stall bars press - Google Patents
A kind of piano soundboard stall bars press Download PDFInfo
- Publication number
- CN109049243A CN109049243A CN201811021554.4A CN201811021554A CN109049243A CN 109049243 A CN109049243 A CN 109049243A CN 201811021554 A CN201811021554 A CN 201811021554A CN 109049243 A CN109049243 A CN 109049243A
- Authority
- CN
- China
- Prior art keywords
- soundboard
- stall bars
- press
- strip
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000945 filler Substances 0.000 claims abstract description 46
- 210000004712 air sac Anatomy 0.000 claims description 10
- 239000002775 capsule Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
- B27M1/02—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by compressing
-
- 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
- B27M3/0013—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles
- B27M3/0086—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles characterised by connecting using glue
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention discloses a kind of piano soundboard stall bars press, including rectangle top frame, four supporting legs, the first workbench for connecting and being located at below rectangle top frame with four supporting legs, and several filler strips being set on the first workbench;A press strip is detachably provided on each filler strip respectively, it is arc-shaped groove that every press strip bottom offers a cross section along press strip length direction respectively, one is respectively arranged in each groove for compressing the cylindrical airbag of piano stall bars, one end of each cylindrical airbag passes through tracheae respectively and connects compressed air gas source.Piano soundboard stall bars press realization provided by the invention compresses the bottom surface of stall bars with soundboard completely, improves soundboard quality.
Description
Technical field
The present invention relates to piano manufacturing technology field, in particular to a kind of piano soundboard stall bars press.
Background technique
In piano manufacturing process, the back side of soundboard is bonded with several stall bars, bonding needed after completing to the two into
Row compresses, however, since stall bars are for the bottom surface 901 Nian Jie with soundboard and incomplete smooth, but be in certain radian: centre
Low, both ends slightly tilt (as shown in Fig. 1), and the both ends of stall bars top surface are respectively provided with a notch 902, existing press
Pressing mold bottom surface be plane, when pressing mold is directly born against on stall bars top surface, stall bars bottom surface middle section can be cemented with soundboard, but
It is to lead to not cement without being pressurized between stall bars bottom surface both ends and soundboard, influences the quality of piano soundboard.
As it can be seen that the prior art could be improved and improve.
Summary of the invention
Place in view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of piano soundboard stall bars press,
It aims to solve the problem that in soundboard in the prior art and stall bars compaction process and leads to not between stall bars bottom surface both ends and soundboard without being pressurized
The technical issues of cementing.
In order to achieve the above object, this invention takes following technical schemes:
A kind of piano soundboard stall bars press, including rectangle top frame are set to four supporting legs of the rectangle top frame four corners, with four
The first workbench supporting leg connection and be located at below rectangle top frame, and several filler strips being set on the first workbench;Institute
State that several filler strips are identical as the stall bars quantity on soundboard to be compressed and inclined direction is identical;It is detachable respectively on each filler strip
Ground is provided with a press strip, and it is arc-shaped recessed that every press strip bottom offers a cross section along press strip length direction respectively
Slot is respectively arranged with one in each groove for compressing the cylindrical airbag of piano stall bars, one end of each cylindrical airbag
Compressed air gas source is connected by tracheae respectively.
In the soundboard stall bars press, the radius of the cross section circular arc of each groove is equal, each cylinder
The outer diameter of air bag is equal to the radius of the cross section circular arc of each groove.
In the soundboard stall bars press, each groove is respectively communicated with the both ends of filler strip;The cross section of the groove
The angle of circular arc is 180 ° -240 °
In the soundboard stall bars press, the both ends of the cylindrical airbag are stretched out from the both ends of corresponding groove respectively.
In the soundboard stall bars press, the two sides of the rear end of every filler strip and its corresponding press strip are respectively oppositely vertical
Be provided with two clamp bars, the top for two clamp bars being oppositely arranged is hinged with press strip, the lower part for two clamp bars being oppositely arranged with
Fixation is bolted in filler strip.
In the soundboard stall bars press, the front end of every filler strip and its corresponding press strip passes through a fastener card
Button connection.
In the soundboard stall bars press, the fastener is the clip being substantially inverted U shape, the two supporting legs and pad of clip
The two sides of the front end of item are hinged, and the top of clip is used for banding press strip.
In the soundboard stall bars press, each air bag respectively includes one section of airsac tube, and is inserted in air bag respectively
The first cylinder and the second cylinder at pipe both ends;One end that the first cylinder exposes airsac tube is provided with one piece of cover board, connects on cover board
There is a gas-tpe fitting, which is connected to the first cylinder inner cavity;One end that the second cylinder exposes airsac tube is provided with one
Block blind plate.
In the soundboard stall bars press, the second workbench is additionally provided in rectangle top frame, second workbench by with
The identical mode of first workbench is provided with several filler strips, press strip and air bag.
The utility model has the advantages that
The present invention provides a kind of piano soundboard stall bars press, identical as the stall bars on soundboard by being arranged on the first workbench
The filler strip of quantity and identical chip direction is removably disposed one with press strip on each filler strip, and every press strip bottom offers circle
The groove of arc is provided with an air bag in each groove, thus realize in such a way that air bag is inflated to each stall bars into
Row pressure, ensure that the lower surface of stall bars compresses completely with soundboard, improves the compression efficiency of soundboard and stall bars and compresses quality.
Detailed description of the invention
Fig. 1 is the stall bars structural schematic diagram of piano.
Fig. 2 is the perspective view of piano soundboard stall bars press provided by the invention.
Fig. 3 is the top view of piano soundboard stall bars press provided by the invention.
Fig. 4 is the partial enlarged view in the region S in Fig. 2.
Fig. 5 is the explosive view of air bag in piano soundboard stall bars press provided by the invention.
Specific embodiment
The present invention provides a kind of piano soundboard stall bars press, to keep the purpose of the present invention, technical solution and effect more clear
Chu defines, and the present invention is described in more detail as follows in conjunction with drawings and embodiments.It should be appreciated that tool described herein
Body embodiment only to explain the present invention, is not intended to limit the present invention.
Fig. 2, Fig. 3 and Fig. 4 are please referred to, the present invention provides a kind of piano soundboard stall bars press.It is attached that each gas is not shown in the figure
The components such as the corresponding tracheae of capsule and control valve, compressed air gas source, soundboard to be compressed and stall bars.
A kind of piano soundboard stall bars press, including rectangle top frame 101, are set to four of the rectangle top frame four corners
Supporting leg 102, the first workbench 20 for connecting and being located at below rectangle top frame with four supporting legs, and be set on the first workbench
Several filler strips 30;Several filler strips are identical as the stall bars quantity on soundboard to be compressed and inclined direction is identical;Often
A press strip 40 is detachably provided on a filler strip respectively, every press strip bottom offers one along press strip length direction respectively
Cross section is arc-shaped groove 401, and one is respectively arranged in each groove for compressing the cylindrical airbag of piano stall bars
50, one end of each cylindrical airbag passes through tracheae respectively and connects compressed air gas source.Above-mentioned each filler strip and press strip are preferably
Solid-wood, it is easy to process, while cost is relatively low.Above-mentioned first workbench is preferably one piece of rectangular steel plates, passes through welding and four
Supporting leg connection.The length of above-mentioned groove and air bag than that corresponding stall bars is longer, to guarantee to compress effect.
When work, each press strip is unclamped first, the soundboard for being bonded with stall bars is placed in above the filler strip of the first workbench,
And guarantee that each stall bars are aligned with each filler strip is distributed in.Then each press strip is being covered on filler strip and is being connected again with filler strip
It connects, each stall bars distribution on soundboard is located at below each cylindrical airbag at this time.Control valve (being not drawn into figure) is opened to make
Compressed air enters each cylindrical airbag air bag and expands therewith, and each air bag offsets with groove upwards, and each air bag is pressed downward
Then firmly corresponding stall bars keep pressure for a period of time until each stall bars and soundboard compress.Since air bag has certain can be changed
Shape, therefore, the upper surface (upper surface including indentation, there) of each stall bars being capable of whole and air bag on whole length direction
Contact, by the downward pressure that air bag applies, thus, guarantee that the slightly arc-shaped bottom surface of stall bars can compress completely with soundboard,
To ensure that the compression quality of soundboard and stall bars;In addition, being compressed by air bag, the surface of stall bars will not be damaged or leave pressure
Trace.
Further, in the soundboard stall bars press, due to the width of each stall bars be about it is equal, will be each
The radius of the cross section circular arc of a groove 401 is set as equal, and the outer diameter of the air bag 50 of each cylinder is equal to each groove
The radius of cross section circular arc, to can offset with groove after guaranteeing air bag inflation.
As shown in figure 4, further, in the soundboard stall bars press, each groove is respectively communicated with the two of filler strip
End, to facilitate the placement of air bag;The angle of the cross section circular arc of the groove be 180 ° -240 ° so that air bag with
There are enough contacts area in filler strip top surface, while also ensuring air bag in the vertical direction has enough deflections so that air bag
It can offset with the upper surface of stall bars both ends notch.
As shown in figure 4, further, in the soundboard stall bars press, the both ends of the cylindrical airbag are respectively from right
The both ends for the groove answered are stretched out, and by above-mentioned setting, further facilitate the installation of air bag.
As shown in figure 4, further, the two sides of the rear end of every filler strip and its corresponding press strip are respectively oppositely set vertically
It is equipped with visual angle in two clamp bar 41(figures and only observes one), the top for two clamp bars being oppositely arranged and press strip are hinged, relatively
Fixation is bolted in the lower part for two clamp bars being arranged and filler strip.In addition, the front end of every filler strip and its corresponding press strip
It is snapped connection by a fastener.By the setting, the connection between press strip and filler strip is further simplified, is worked
When, only need to open each fastener, the front end of each filler strip can be rotated up, thus by after compression soundboard take out or
Soundboard to be compressed is prevented terminating on the filler strip of the first workbench, to improve work efficiency.
As shown in figure 4, further, the fastener is the clip 42 being substantially inverted U shape, the two supporting legs (figure of clip
Only observe a clip supporting leg in middle visual angle) it is hinged with the two sides of the front end of filler strip, the top of clip is used for banding press strip.Only need
Clip is rotated, can be realized and the front end of press strip and filler strip is subjected to banding or release, it is convenient and efficient.
Referring to Fig. 5, further, each air bag respectively includes one section of airsac tube 501, and is inserted in air bag respectively
The first cylinder 502 and the second cylinder 503 at pipe both ends;One end that the first cylinder exposes airsac tube is provided with one piece of cover board (in figure
View less than), a gas-tpe fitting (in figure view less than), gas-tpe fitting connection first are connected on cover board
Cylinder bore;One end that the second cylinder exposes airsac tube is provided with one block of blind plate 504.Wherein, airsac tube and the first cylinder and
Two cylinders pass through a pipe clamp (not shown) clamping respectively.Preferably, above-mentioned the first cylinder and the second cylinder are metal
Cylinder.Wherein the material of airsac tube can be for canvas, PVC or other pressure-resistant leakage-prevention gas and with the material of certain deflection.
In practical application, above-mentioned the first cylinder and the second cylinder are stretched out from groove both ends respectively, the not extruding by press strip and filler strip.It is logical
Aforesaid way is crossed, piano manufactory can produce suitable air bag according to the stall bars size on home built piano soundboard,
And manufacture is very simple, it is low in cost.
Further, in the soundboard stall bars press, the second workbench is additionally provided in rectangle top frame, second work
Platform (not shown) is provided with several filler strips, press strip and air bag by mode identical with the first workbench.Each gas
Capsule (shows) connection compressed air origin by another control valve in figure, i.e. the first workbench and the second workbench can be only
Vertical operation can be real that is, on the basis of not increasing press occupied area and operator is not required to by climbing aid
Duplexing bit manipulation is showed, so that the working efficiency of the press is doubled.
In conclusion the present invention on the first workbench by being arranged quantity identical as the stall bars on soundboard and identical chip
The filler strip in direction is removably disposed one with press strip on each filler strip, and every press strip bottom offers arc-shaped groove, each
It is provided with an air bag in groove, presses in such a way that air bag is inflated to each stall bars to realize, ensure that rib
The lower surface of wood compresses completely with soundboard, improves the compression efficiency of soundboard and stall bars and compresses quality.By by each press strip
It is hinged with the rear end of filler strip, the front end of each press strip and filler strip is snapped connection, facilitate release between press strip and filler strip and
The operation of clamping, improves work efficiency.It is arranged on the second workbench by the set-up mode according to the first workbench several
The components such as filler strip, press strip, air bag double the working efficiency of press.
It, can according to the technique and scheme of the present invention and its hair it is understood that for those of ordinary skills
Bright design is subject to equivalent substitution or change, and all these changes or replacement all should belong to the guarantor of appended claims of the invention
Protect range.
Claims (9)
1. a kind of piano soundboard stall bars press, which is characterized in that including rectangle top frame, be set to the four of the rectangle top frame four corners
Supporting leg, the first workbench for connecting and being located at below rectangle top frame with four supporting legs, and be set on the first workbench
Several filler strips;Several filler strips are identical as the stall bars quantity on soundboard to be compressed and inclined direction is identical;Each pad
A press strip is detachably provided on item respectively, every press strip bottom offers a cross section along press strip length direction respectively
For arc-shaped groove, one is respectively arranged in each groove for compressing the cylindrical airbag of piano stall bars, each cylinder
One end of shape air bag passes through tracheae respectively and connects compressed air gas source.
2. soundboard stall bars press according to claim 1, which is characterized in that the half of the cross section circular arc of each groove
Diameter is equal, and the outer diameter of the air bag of each cylinder is equal to the radius of the cross section circular arc of each groove.
3. soundboard stall bars press according to claim 2, which is characterized in that each groove is respectively communicated with the two of filler strip
End;The angle of the cross section circular arc of the groove is 180 ° -240 °.
4. soundboard stall bars press according to claim 3, which is characterized in that the both ends of the cylindrical airbag are respectively from right
The both ends for the groove answered are stretched out.
5. soundboard stall bars press according to claim 1, which is characterized in that the rear end of every filler strip and its corresponding press strip
Two sides be respectively oppositely vertically arranged with two clamp bars, the top for two clamp bars being oppositely arranged and press strip are hinged, opposite to set
Fixation is bolted in the lower part for two clamp bars set and filler strip.
6. soundboard stall bars press according to claim 1, which is characterized in that the front end of every filler strip and its corresponding press strip
It is snapped connection by a fastener.
7. soundboard stall bars press according to claim 6, which is characterized in that the fastener is the card being substantially inverted U shape
Hoop, the two sides of the front end of the two supporting legs and filler strip of clip are hinged, and the top of clip is used for banding press strip.
8. soundboard stall bars press according to claim 1, which is characterized in that each air bag respectively includes one section of air bag
Pipe, and it is inserted in the first cylinder and the second cylinder at airsac tube both ends respectively;One end that the first cylinder exposes airsac tube is provided with
One piece of cover board is connected with a gas-tpe fitting on cover board, which is connected to the first cylinder inner cavity;The second cylinder exposes gas
One end of capsule pipe is provided with one block of blind plate.
9. soundboard stall bars press according to claim 1, which is characterized in that be additionally provided with the second work in rectangle top frame
Platform, second workbench are provided with several filler strips, press strip and air bag by mode identical with the first workbench.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811021554.4A CN109049243B (en) | 2018-09-03 | 2018-09-03 | Piano soundboard ribbed wood press |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811021554.4A CN109049243B (en) | 2018-09-03 | 2018-09-03 | Piano soundboard ribbed wood press |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109049243A true CN109049243A (en) | 2018-12-21 |
CN109049243B CN109049243B (en) | 2021-06-22 |
Family
ID=64759521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811021554.4A Expired - Fee Related CN109049243B (en) | 2018-09-03 | 2018-09-03 | Piano soundboard ribbed wood press |
Country Status (1)
Country | Link |
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CN (1) | CN109049243B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113618869A (en) * | 2021-08-11 | 2021-11-09 | 安徽嘉禾整木家居有限公司 | Straightening and repairing device for long cabinet door of ecological environment-friendly customized furniture |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4697494A (en) * | 1986-08-19 | 1987-10-06 | Lowell Thomas A | Piano soundboard downbearing force simulator |
CN201224036Y (en) * | 2008-06-23 | 2009-04-22 | 宁波韵升股份有限公司 | Sound board locating and clamping device |
CN203085143U (en) * | 2012-12-18 | 2013-07-24 | 鲍德温(中山)钢琴乐器有限公司 | Vertical piano soundboard |
CN203535936U (en) * | 2013-09-23 | 2014-04-09 | 成都川雅木业有限公司 | Piano solid wood soundboard assembly machine |
CN204010641U (en) * | 2014-08-29 | 2014-12-10 | 德清县海尔乐器制造有限公司 | A kind of piano soundboard stall bars gummed shaping equipment |
CN104476436A (en) * | 2014-11-28 | 2015-04-01 | 重庆市合川区均恒金属加工厂 | Airbag type compression device |
CN105551458A (en) * | 2016-01-12 | 2016-05-04 | 森鹤乐器股份有限公司 | Manufacturing method for vertical piano soundboard |
CN105810177A (en) * | 2016-05-09 | 2016-07-27 | 福州和声钢琴有限公司 | Manufacturing method of piano sound source component |
-
2018
- 2018-09-03 CN CN201811021554.4A patent/CN109049243B/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4697494A (en) * | 1986-08-19 | 1987-10-06 | Lowell Thomas A | Piano soundboard downbearing force simulator |
CN201224036Y (en) * | 2008-06-23 | 2009-04-22 | 宁波韵升股份有限公司 | Sound board locating and clamping device |
CN203085143U (en) * | 2012-12-18 | 2013-07-24 | 鲍德温(中山)钢琴乐器有限公司 | Vertical piano soundboard |
CN203535936U (en) * | 2013-09-23 | 2014-04-09 | 成都川雅木业有限公司 | Piano solid wood soundboard assembly machine |
CN204010641U (en) * | 2014-08-29 | 2014-12-10 | 德清县海尔乐器制造有限公司 | A kind of piano soundboard stall bars gummed shaping equipment |
CN104476436A (en) * | 2014-11-28 | 2015-04-01 | 重庆市合川区均恒金属加工厂 | Airbag type compression device |
CN105551458A (en) * | 2016-01-12 | 2016-05-04 | 森鹤乐器股份有限公司 | Manufacturing method for vertical piano soundboard |
CN105810177A (en) * | 2016-05-09 | 2016-07-27 | 福州和声钢琴有限公司 | Manufacturing method of piano sound source component |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113618869A (en) * | 2021-08-11 | 2021-11-09 | 安徽嘉禾整木家居有限公司 | Straightening and repairing device for long cabinet door of ecological environment-friendly customized furniture |
Also Published As
Publication number | Publication date |
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CN109049243B (en) | 2021-06-22 |
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