CN204748802U - Special perforating device in hole is covered to key behind upright piano - Google Patents
Special perforating device in hole is covered to key behind upright piano Download PDFInfo
- Publication number
- CN204748802U CN204748802U CN201520315489.1U CN201520315489U CN204748802U CN 204748802 U CN204748802 U CN 204748802U CN 201520315489 U CN201520315489 U CN 201520315489U CN 204748802 U CN204748802 U CN 204748802U
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- CN
- China
- Prior art keywords
- spill spin
- spin block
- pedestal
- block
- hole
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- Expired - Fee Related
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Abstract
The utility model discloses a special perforating device in hole is covered to key behind upright piano, characteristics are including the base, the hole locating plate, control synchronous clamping mechanism and punch the air gun, both ends are fixed respectively and are provided with the supporting shoe about the base, the supporting shoe corresponds respectively in the recess of embedding back key lid both ends scotch, the hole locating plate articulates the upper end at the base, it covers the position that need punch corresponding location breach one by one to be provided with three position and back key on the locating plate of hole, be provided with location step on the breach of location, it is provided with perpendicular support on the air gun to punch, when punching, among the location step of perpendicular one of them location breach of support embedding, the feasible air gun that punches is mutually perpendicular with the hole locating plate, the advantage has shortened the positioning time of back key lid greatly, has improved positioning accuracy, has guaranteed that artifical position of punching is accurate, errorless, reduce the assembly error that back key covered and called greatly, improved the qualification rate and the quality of product.
Description
Technical field
The utility model relates to the process equipment of Piano Fittings, and after particularly relating to a kind of upright piano, key covers the Special punching device in hole.
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 in the utility model is to provide a kind of accurately can location the position that rear key covers hole and punch, and after meeting, after key lid and the upright piano that requires at the quality of fit of fit on of visiting, key covers the Special punching device in hole.
The utility model solves the problems of the technologies described above adopted technical scheme: after a kind of upright piano, key covers the Special punching device in hole, comprise pedestal, 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 hole location-plate is hinged on the upper end of described pedestal, described 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 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 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, the utility model has the advantages that 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 rear key lid and the center of 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, when punching, ensure that the perpendicularity of punching air gun and hole location-plate, also further increases the drilling precision that rear key covers hole, 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 utility model and front key lid;
Fig. 2 is the end construction schematic diagram of Fig. 1;
Fig. 3 is perspective view of the present utility model;
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 utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
As shown in the figure, after a kind of upright piano, key covers the Special punching device in hole, comprise pedestal 1, 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, hole location-plate 2 is hinged on the upper end of pedestal 1, hole location-plate 2 is provided with the locating notch 21 that three positions are 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 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 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 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 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 covers the Special punching device in hole, it is characterized in that comprising pedestal, 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 hole location-plate is hinged on the upper end of described pedestal, described 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 hole location-plate perpendicular.
2. after a kind of upright piano as claimed in claim 1, key covers the Special punching device in hole, 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 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 |
|---|---|---|---|
| CN201520315489.1U CN204748802U (en) | 2015-05-14 | 2015-05-14 | Special perforating device in hole is covered to key behind upright piano |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520315489.1U CN204748802U (en) | 2015-05-14 | 2015-05-14 | Special perforating device in hole is covered to key behind upright piano |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204748802U true CN204748802U (en) | 2015-11-11 |
Family
ID=54463554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520315489.1U Expired - Fee Related CN204748802U (en) | 2015-05-14 | 2015-05-14 | Special perforating device in hole is covered to key behind upright piano |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204748802U (en) |
-
2015
- 2015-05-14 CN CN201520315489.1U patent/CN204748802U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20180514 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |