CN104827524A - Special perforating device for wood ball hole of rear fallboard of upright piano - Google Patents
Special perforating device for wood ball hole of rear fallboard of upright piano Download PDFInfo
- Publication number
- CN104827524A CN104827524A CN201510247384.1A CN201510247384A CN104827524A CN 104827524 A CN104827524 A CN 104827524A CN 201510247384 A CN201510247384 A CN 201510247384A CN 104827524 A CN104827524 A CN 104827524A
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- China
- Prior art keywords
- ball hole
- spill spin
- spin block
- pedestal
- block
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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
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- 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 a special perforating device for a wood ball hole of a rear fallboard of an upright piano. The special perforating device is characterized by comprising a base, a wood ball hole locating plate, a left-right synchronous clamping mechanism and a perforating air gun, wherein supporting blocks are fixedly arranged at the left end and the right end of the base respectively, the supporting blocks are embedded in grooves of scotches at two ends of the rear fallboard respectively and correspondingly, the wood ball hole locating plate is articulated at the upper end of the base, three locating notches corresponding to to-be-perforated positions on the rear fallboard are arranged on the wood ball hole locating plate, a locating step is arranged on the locating notch, a vertical support is arranged on the perforating air gun, the vertical support is embedded in the locating step of one locating notch during perforating, and the perforating air gun is perpendicular to the wood ball hole locating plate. The special perforating device has the advantages that the locating time of the rear fallboard is greatly shortened, the locating precision is improved, the manual perforating position is enabled to be accurate, the assembling error of the rear fallboard and an upper door is reduced greatly and the passing percent and the quality of the product are improved.
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 is on the market primarily of grand piano and upright piano two kinds, and upright piano takes up room little due to it, and low price and dark liking by consumers in general.Upright piano in process of production, thereafter key lid and being fixed by a wooden ball between visiting, if the position dimension that rear key covers for the wooden ball hole of a slotting wooden ball is bad, after when can cause installing key lid and the gap, left and right between visiting unequal, make rigging error comparatively large 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, the processing that after upright piano, key covers wooden ball hole much adopts monolateral positional punch method, it cannot accurately be located the position in wooden ball hole, and lack the safeguard of vertical perforating, make punching time length, low precision, after Product Assembly, first-time qualification rate is often lower than 30%, needs to reprocess, and carry out artificial reaming to adjust visiting by cone cutter when repairing and gap, left and right between rear key lid, this has a strong impact on production efficiency and the product quality of upright piano.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of accurately can location the position that rear key covers wooden ball hole and punch, the Special punching device in key lid wood ball hole after key lid and the upright piano that requires at the quality of fit of fit on of visiting after meeting.
The present invention solves the problems of the technologies described above adopted technical scheme: the Special punching device in key lid wood ball hole after a kind of upright piano, comprise 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 back-up block respectively, described back-up block is corresponding respectively to be embedded in the groove of rear key lid two ends cleat, 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, described wooden ball hole location-plate is provided with three positions and rear key and covers the position that need punch locating notch corresponding one by one, described locating notch is provided with positioning step, described punching air gun is provided with vertical support frame, during punching, described vertical support frame embeds in the positioning step of one of them locating notch, make described punching air gun and described wooden ball hole location-plate perpendicular.
Described left and right synchronous clamping mechanism comprises and is arranged on spill spin block on rear side of described pedestal and drives cylinder, described spill spin block is vertically arranged and center and described pedestal are coupling, 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, described left connecting rod and the pin joint of described spill spin block to the distance of the central shaft contact of described spill spin block equals the distance of the central shaft contact of the described right connecting rod spill spin block extremely described with the pin joint of described spill spin block, the end of described left connecting rod is hinged with left clamp, described left clamp passes described pedestal forward and is positioned at the outside of left end support block, described left clamp is fixedly installed left slider, be slidably matched on rear side of described left slider and described pedestal, the end of described right connecting rod is hinged with right clamp, described right clamp passes described pedestal forward and is positioned at the outside of right-hand member back-up block, described right clamp is fixedly installed right slide block, be slidably matched on rear side of described right slide block and described pedestal, described left clamp and described right clamp are symmetrical arranged along the center line of described wooden ball hole location-plate, described driving cylinder is fixedly connected with described pedestal, the driving shaft horizontal extension of described driving cylinder and be fixedly installed connecting axle, described spill spin block is provided with vertical chute, described connecting axle is through described chute, the driving shaft of described driving cylinder and described spill spin block are coupling can slide up and down by relative described spill spin block again simultaneously.
Compared with prior art, advantage of the present invention is owing to being provided with left and right synchronous clamping mechanism, and the two ends, left and right of pedestal are fixedly installed back-up block respectively, the automation of key lid location clamping after achieving under the prerequisite that key lid is accurately located after guarantee, also make the center of the center of rear key lid and wooden ball hole location-plate align simultaneously, substantially reduce the positioning time of rear key lid, also improve positioning precision simultaneously, ensure that the position of Manual punching is accurate, errorless; And due to punching air gun being provided with vertical support frame, processor is when punching, ensure that the perpendicularity of punching air gun and wooden ball hole location-plate, also the drilling precision that rear key covers wooden ball hole is further increased, the rigging error substantially reducing rear key lid and visit, improves qualification rate and the quality of product.
Accompanying drawing explanation
Fig. 1 is the structural representation of rear key lid of the present invention and front key lid;
Fig. 2 is the end construction schematic diagram of Fig. 1;
Fig. 3 is perspective view of the present invention;
Fig. 4 is the rearview of Fig. 3;
Fig. 5 is the enlarged diagram at A place in Fig. 4;
Fig. 6 is the structural representation of 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.
As shown in the figure, the Special punching device in key lid wood ball hole after a kind of upright piano, comprise 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 back-up block 4 respectively, back-up block 4 is corresponding respectively to be embedded 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, wood ball hole location-plate 2 is provided with three positions locating notch 21 corresponding one by one with the position rear key lid 100 needing punch, locating notch 21 is provided with positioning step 22, punching air gun 3 is provided with vertical support frame 5, during punching, vertical support frame 5 embeds in the positioning step 22 of one of them locating notch 21, make punching air gun 3 perpendicular with wooden ball hole location-plate 2, left and right synchronous clamping mechanism comprises and is arranged on spill spin block on rear side of pedestal 16 and drives cylinder 7, spill spin block 6 vertically arranges and center and pedestal 1 are coupling, 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 equals the distance L2 of pin joint to the central shaft contact of spill spin block 6 of right connecting rod 9 and spill spin block 6 to the distance L1 of the central shaft contact of spill spin block 6, the end of left connecting rod 8 is hinged with left clamp 81, left clamp 81 passes pedestal 1 forward and is positioned at the outside of left end support block 4, left clamp 81 is fixedly installed left slider 82, be slidably matched on rear side of left slider 82 and pedestal 1, the end of right connecting rod 9 is hinged with right clamp 91, right clamp 91 passes pedestal 1 forward and is positioned at the outside of right-hand member back-up block 4, right clamp 91 is fixedly installed right slide block 92, be slidably matched on rear side of right slide block 92 and pedestal 1, left clamp 81 is symmetrical arranged with the center line of right clamp 91 along wooden ball hole location-plate 2, cylinder 7 is driven to be fixedly connected with pedestal 1, drive the driving shaft horizontal extension of cylinder 7 and be fixedly installed connecting axle 71, spill spin block 6 is provided with vertical chute 61, connecting axle 71 is through chute 61, make to drive the driving shaft of cylinder 7 and spill spin block 6 to be coupling can to slide up and down by relative spill spin block 6 again simultaneously.
In above-described embodiment, the punch operation of this Special punching device to rear key lid is specially: rear key lid 100 is put into pedestal 1, and make in the groove 102 of back-up block 4 difference corresponding embedding rear key lid 100 two ends cleat 101 at pedestal 1 two ends, then cylinder 7 is driven to drive spill spin block 6 to rotate clockwise, make the two ends of key lid 100 after left clamp 81 and right clamp 91 synchronous clamping, rear key lid 100 is made to be fixed motionless on pedestal 1, then turning down wooden ball hole location-plate 2 makes on its horizontal plane 103 being pressed in rear key lid 100 upper end, vertical support frame 5 is successively placed in the positioning step 22 of wooden ball hole location-plate 2, punched by the horizontal plane 103 of punching air gun 3 to rear key lid 100.
Claims (2)
1. after a upright piano key lid wood ball hole Special punching device, it is characterized in that comprising 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 back-up block respectively, described back-up block is corresponding respectively to be embedded in the groove of rear key lid two ends cleat, 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, described wooden ball hole location-plate is provided with three positions and rear key and covers the position that need punch locating notch corresponding one by one, described locating notch is provided with positioning step, described punching air gun is provided with vertical support frame, during punching, described vertical support frame embeds in the positioning step of one of them locating notch, make described punching air gun and described wooden ball hole location-plate perpendicular.
2. after a kind of upright piano as claimed in claim 1 key lid wood ball hole Special punching device, it is characterized in that described left and right synchronous clamping mechanism comprises be arranged on spill spin block on rear side of described pedestal and drive cylinder, described spill spin block is vertically arranged and center and described pedestal are coupling, 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, described left connecting rod and the pin joint of described spill spin block to the distance of the central shaft contact of described spill spin block equals the distance of the central shaft contact of the described right connecting rod spill spin block extremely described with the pin joint of described spill spin block, the end of described left connecting rod is hinged with left clamp, described left clamp passes described pedestal forward and is positioned at the outside of left end support block, described left clamp is fixedly installed left slider, be slidably matched on rear side of described left slider and described pedestal, the end of described right connecting rod is hinged with right clamp, described right clamp passes described pedestal forward and is positioned at the outside of right-hand member back-up block, described right clamp is fixedly installed right slide block, be slidably matched on rear side of described right slide block and described pedestal, described left clamp and described right clamp are symmetrical arranged along the center line of described wooden ball hole location-plate, described driving cylinder is fixedly connected with described pedestal, the driving shaft horizontal extension of described driving cylinder and be fixedly installed connecting axle, described spill spin block is provided with vertical chute, described connecting axle is through described chute, the driving shaft of described driving cylinder and described spill spin block are coupling can slide up and down by relative described spill spin block again simultaneously.
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 true CN104827524A (en) | 2015-08-12 |
| CN104827524B CN104827524B (en) | 2016-08-17 |
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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 |
Country Status (1)
| Country | Link |
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| CN (1) | CN104827524B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106393378A (en) * | 2016-12-15 | 2017-02-15 | 广州珠江钢琴集团股份有限公司 | Piano back pad tenon entering machine and piano back pad tenon entering method |
Citations (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 |
-
2015
- 2015-05-14 CN CN201510247384.1A patent/CN104827524B/en not_active Expired - Fee Related
Patent Citations (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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106393378A (en) * | 2016-12-15 | 2017-02-15 | 广州珠江钢琴集团股份有限公司 | Piano back pad tenon entering machine and piano back pad tenon entering method |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104827524B (en) | 2016-08-17 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20190514 |
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| CF01 | Termination of patent right due to non-payment of annual fee |