CN104827524B - The Special punching device in key lid wood ball hole after a kind of upright piano - Google Patents
The Special punching device in key lid wood ball hole after a kind of upright piano Download PDFInfo
- Publication number
- CN104827524B CN104827524B CN201510247384.1A CN201510247384A CN104827524B CN 104827524 B CN104827524 B CN 104827524B CN 201510247384 A CN201510247384 A CN 201510247384A CN 104827524 B CN104827524 B CN 104827524B
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- China
- Prior art keywords
- pedestal
- block
- ball hole
- key lid
- punching
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
- B27C3/00—Drilling machines or drilling devices; Equipment therefor
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses the Special punching device in key lid wood ball hole after a kind of upright piano, feature is to include pedestal, wood ball hole location-plate, left and right synchronous clamping mechanism and punching air gun, the two ends, left and right of pedestal are fixedly installed a bracer respectively, prop up bracer to be correspondingly embedded in respectively in the groove of rear key lid two ends cleat, wood ball hole location-plate is hinged on the upper end of pedestal, the locating notch that to be provided with three positions on wood ball hole location-plate the most corresponding with needing the position punched on rear key lid, positioning step it is provided with on locating notch, it is provided with vertical support frame on punching air gun, during punching, vertical support frame is embedded in the positioning step of a locating notch, make punching air gun perpendicular with wood ball hole location-plate；Advantage is to substantially reduce the positioning time of rear key lid, improves positioning precision, it is ensured that the position of Manual punching is accurate, errorless；Substantially reduce rear key lid and the rigging error visited, improve qualification rate and the quality of product.
Description
Technical field
The present invention relates to the process equipment of Piano Fittings, particularly relate to the Special punching device in key lid wood ball hole after a kind of upright piano.
Background technology
Piano on the market is mainly by grand piano and upright piano two kinds, and upright piano takes up room little due to it, and low price and deeply liked by consumers in general.Upright piano is in process of production, thereafter key lid and being fixed by a wood ball between visiting, if it is bad for inserting the position dimension in the wooden ball hole of a wood ball on rear key lid, after when can cause installing, key lid and the gap, left and right between visiting are unequal, make rigging error relatively big and quality of fit requirement cannot be met, affect the outward appearance precision of product and attractive in appearance, reduce the class of product.
At present, after upright piano, on key lid, the processing in wood ball hole much uses monolateral positional punch method, the position in wood ball hole cannot be accurately positioned by it, and lack the safeguard of vertical perforating, making punching time length, low precision, after Product Assembly, first-time qualification rate is often below 30%, needs to reprocess, and carry out artificial reaming by cone cutter when repairing and adjust the gap, left and right visited and between rear key lid, this production efficiency having a strong impact on upright piano and product quality.
Summary of the invention
The technical problem to be solved is to provide and a kind of the position in wood ball hole on rear key lid can be accurately positioned and be punched, key lid and the Special punching device in key lid wood ball hole after the upright piano that the quality of fit of fit on requires of visiting after meeting.
nullThe present invention solves the technical scheme that above-mentioned technical problem used: the Special punching device in key lid wood ball hole after a kind of upright piano，Including pedestal、Wood ball hole location-plate、Left and right synchronous clamping mechanism and punching air gun，The two ends, left and right of described pedestal are fixedly installed a bracer respectively，A described bracer is correspondingly embedded in the groove of rear key lid two ends cleat respectively，Rock before and after occurring on described pedestal when preventing rear key lid from punching，Described wooden ball hole location-plate is hinged on the upper end of described pedestal，It is provided with three positions on described wooden ball hole location-plate and on rear key lid, needs the most corresponding locating notch in position of punching，It is provided with positioning step on described locating notch，It is provided with vertical support frame on described punching air gun，During punching，Described vertical support frame is embedded in the positioning step of a locating notch，Make described punching air gun perpendicular with described wooden ball hole location-plate.
nullDescribed left and right synchronous clamping mechanism includes being arranged on the spill spin block on rear side of described pedestal and driving cylinder，Described spill spin block is vertically arranged and center is coupling with described pedestal，The lower end of described spill spin block is hinged with left connecting rod，The upper end thereof of described spill spin block has right connecting rod，The distance of the central shaft contact of the spill spin block that described left connecting rod is the most described with the pin joint of described spill spin block equal to described right connecting rod with the distance of the pin joint of described spill spin block to the central shaft contact of described spill spin block，The end of described left connecting rod is hinged with left clamping block，Described left clamping block advances through described pedestal and is positioned at the outside of left end support block，It is fixedly installed left slider on described left clamping block，Described left slider is slidably matched on rear side of described pedestal，The end of described right connecting rod is hinged with right clamping block，Described right clamping block advances through described pedestal and is positioned at right-hand member and props up the outside of bracer，It is fixedly installed right slide block on described right clamping block，Described right slide block is slidably matched on rear side of described pedestal，Described left clamping block is symmetrical arranged along the center line of described wooden ball hole location-plate with described right clamping block，Described driving cylinder and described pedestal are fixed and are connected，The described drive shaft horizontal extension driving cylinder and be fixedly installed connecting shaft，Vertical chute it is provided with on described spill spin block，Described connecting shaft is through described chute，The described drive shaft driving cylinder is coupling with described spill spin block the most again can slide up and down by relative described spill spin block.
Compared with prior art, it is an advantage of the invention that owing to being provided with left and right synchronous clamping mechanism, and the two ends, left and right of pedestal are fixedly installed a bracer respectively, the automation of key lid location clamping after key lid achieves on the premise of being accurately positioned after guarantee, also make the center of rear key lid align with the center of wood ball hole location-plate simultaneously, substantially reduce the positioning time of rear key lid, also improve positioning precision simultaneously, it is ensured that the position of Manual punching is accurate, errorless；And owing to being provided with vertical support frame on punching air gun, processor is when punching, ensure that the perpendicularity of punching air gun and wood ball hole location-plate, also the drilling precision in wood ball hole on rear key lid is further increased, substantially reduce rear key lid and the rigging error visited, improve qualification rate and the quality of product.
Accompanying drawing explanation
Fig. 1 is the rear key lid structural representation with front key lid of the present invention；
Fig. 2 is the end construction schematic diagram of Fig. 1；
Fig. 3 is the perspective view of the present invention；
Fig. 4 is the rearview of Fig. 3；
Fig. 5 is the enlarged diagram in Fig. 4 at A；
Fig. 6 is the structural representation of the spill spin block of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
nullAs shown in the figure，The Special punching device in key lid wood ball hole after a kind of upright piano，Including pedestal 1、Wood ball hole location-plate 2、Left and right synchronous clamping mechanism and punching air gun 3，The two ends, left and right of pedestal 1 are fixedly installed a bracer 4 respectively，Prop up bracer 4 to be correspondingly embedded in respectively in the groove 102 of rear key lid 100 two ends cleat 101，Rock before and after occurring on pedestal 1 when preventing rear key lid 100 from punching，Wood ball hole location-plate 2 is hinged on the upper end of pedestal 1，The locating notch 21 that to be provided with three positions on wood ball hole location-plate 2 the most corresponding with needing the position punched on rear key lid 100，Positioning step 22 it is provided with on locating notch 21，It is provided with vertical support frame 5 on punching air gun 3，During punching，Vertical support frame 5 is embedded in the positioning step 22 of a locating notch 21，Make punching air gun 3 perpendicular with wood ball hole location-plate 2，Left and right synchronous clamping mechanism includes the spill spin block 6 being arranged on rear side of pedestal 1 and drives cylinder 7，Spill spin block 6 is vertically arranged and center is coupling with pedestal 1，The lower end of spill spin block 6 is hinged with left connecting rod 8，The upper end thereof of spill spin block 6 has right connecting rod 9，The pin joint of left connecting rod 8 and spill spin block 6 to distance L1 of the central shaft contact of spill spin block 6 equal to the pin joint of right connecting rod 9 and spill spin block 6 to distance L2 of the central shaft contact of spill spin block 6，The end of left connecting rod 8 is hinged with left clamping block 81，Left clamping block 81 advances through pedestal 1 and is positioned at the outside of left end support block 4，It is fixedly installed left slider 82 on left clamping block 81，Left slider 82 is slidably matched on rear side of pedestal 1，The end of right connecting rod 9 is hinged with right clamping block 91，Right clamping block 91 advances through pedestal 1 and is positioned at right-hand member and props up the outside of bracer 4，Right slide block 92 it is fixedly installed on right clamping block 91，Right slide block 92 is slidably matched on rear side of pedestal 1，Left clamping block 81 is symmetrical arranged along the center line of wood ball hole location-plate 2 with right clamping block 91，Drive cylinder 7 to fix with pedestal 1 to be connected，Drive the drive shaft horizontal extension of cylinder 7 and be fixedly installed connecting shaft 71，Vertical chute 61 it is provided with on spill spin block 6，Connecting shaft 71 is through chute 61，Make to drive the drive shaft of cylinder 7 and spill spin block 6 can rotate against again block 6 while of being coupling to slide up and down.
In above-described embodiment, this Special punching device to the punch operation of rear key lid particularly as follows: rear key lid 100 is put in pedestal 1, and make a bracer 4 at pedestal 1 two ends be correspondingly embedded in respectively in the groove 102 of rear key lid 100 two ends cleat 101, then cylinder 7 is driven to drive spill spin block 6 to rotate clockwise, make the two ends of key lid 100 after left clamping block 81 and right clamping block 91 synchronous clamping, rear key lid 100 is maintained static on pedestal 1, then turning down wood ball hole location-plate 2 makes it be pressed on the horizontal plane 103 of rear key lid 100 upper end, vertical support frame 5 is successively placed in the positioning step 22 of wood ball hole location-plate 2, by punching air gun 3, the horizontal plane 103 of rear key lid 100 is punched.
Claims (2)
1. the Special punching device in key lid wood ball hole after a upright piano, it is characterised in that include pedestal, a wood ball
Hole location-plate, left and right synchronous clamping mechanism and punching air gun, the two ends, left and right of described pedestal are fixedly installed support respectively
Block, a described bracer is correspondingly embedded in the groove of rear key lid two ends cleat, respectively described when preventing rear key lid from punching
Pedestal on occur before and after rock, described wooden ball hole location-plate is hinged on the upper end of described pedestal, described wooden ball
It is provided with three positions on sub-aperture location-plate and on rear key lid, needs the most corresponding locating notch in position of punching, described
Being provided with positioning step on locating notch, described punching air gun is provided with vertical support frame, during punching, described is vertical
Support is embedded in the positioning step of a locating notch so that described punching air gun positions with described wooden ball hole
Plate is perpendicular.
The Special punching device in key lid wood ball hole after a kind of upright piano the most as claimed in claim 1, its feature exists
Include being arranged on the spill spin block on rear side of described pedestal and driving cylinder, described rotation in described left and right synchronous clamping mechanism
Switch block is vertically arranged and center is coupling with described pedestal, and the lower end of described spill spin block is hinged with left connecting rod, described
The upper end thereof of spill spin block has right connecting rod, and described left connecting rod and the pin joint of described spill spin block are to described spill spin block
The distance of central shaft contact is equal to the center of described right connecting rod with the pin joint of described spill spin block to described spill spin block
The distance of shaft contact, the end of described left connecting rod is hinged with left clamping block, and described left clamping block advances through described
Pedestal and be positioned at the outside of left end support block, described left clamping block is fixedly installed left slider, described left slider with
Being slidably matched on rear side of described pedestal, the end of described right connecting rod is hinged with right clamping block, and described right clamping block is forward
Through described pedestal and be positioned at right-hand member and prop up the outside of bracer, described right clamping block is fixedly installed right slide block, described
Right slide block be slidably matched on rear side of described pedestal, described left clamping block and described right clamping block are along described wooden ball
The center line of sub-aperture location-plate is symmetrical arranged, and described driving cylinder and described pedestal are fixed and be connected, described driving gas
The drive shaft horizontal extension of cylinder and be fixedly installed connecting shaft, described spill spin block is provided with vertical chute, described
Connecting shaft is through described chute so that the described drive shaft driving cylinder is coupling simultaneously with described spill spin block, and this drives
Moving axis again can be relatively described spill spin block slide up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510247384.1A CN104827524B (en) | 2015-05-14 | 2015-05-14 | The Special punching device in key lid wood ball hole after a kind of upright piano |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510247384.1A CN104827524B (en) | 2015-05-14 | 2015-05-14 | The Special punching device in key lid wood ball hole after a kind of upright piano |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104827524A CN104827524A (en) | 2015-08-12 |
| CN104827524B true CN104827524B (en) | 2016-08-17 |
Family
ID=53805894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510247384.1A Expired - Fee Related CN104827524B (en) | 2015-05-14 | 2015-05-14 | The Special punching device in key lid wood ball hole after a kind of upright piano |
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| Country | Link |
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| CN (1) | CN104827524B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106393378B (en) * | 2016-12-15 | 2019-03-05 | 广州珠江钢琴集团股份有限公司 | Backing rack of piano enters tenon machine and backing rack of piano enters tenon method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3712504A1 (en) * | 1987-04-13 | 1988-11-03 | Biberger Josef | Angle drill jig for slot drilling machines |
| DE4443512A1 (en) * | 1994-12-07 | 1996-06-13 | Scheer & Cie C F | Machine tool for straight or curved workpieces esp. from wood |
| US6390159B1 (en) * | 2000-08-23 | 2002-05-21 | Thomas G. Pinske | Drill press and saw table |
| CN2535199Y (en) * | 2002-03-11 | 2003-02-12 | 金华市强宏板式家具机械有限公司 | Multiple spindle gang drill machine tool for wood working |
| CN201300456Y (en) * | 2008-10-15 | 2009-09-02 | 杨瑞炤 | Drilling machine |
| CN201342692Y (en) * | 2009-01-19 | 2009-11-11 | 东莞市南兴木工机械有限公司 | Four-connecting-rod plate compression mechanism for multi-row multi-shaft drilling machine tool |
| CN201881437U (en) * | 2010-11-12 | 2011-06-29 | 烟台博斯纳钢琴制造有限公司 | Piano ejector rod shaft bracket drilling machine |
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2015
- 2015-05-14 CN CN201510247384.1A patent/CN104827524B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN104827524A (en) | 2015-08-12 |
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Granted publication date: 20160817 Termination date: 20190514 |