CN211150075U - Hammer head root felt processing apparatus - Google Patents
Hammer head root felt processing apparatus Download PDFInfo
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- CN211150075U CN211150075U CN201921581992.6U CN201921581992U CN211150075U CN 211150075 U CN211150075 U CN 211150075U CN 201921581992 U CN201921581992 U CN 201921581992U CN 211150075 U CN211150075 U CN 211150075U
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- guide rail
- hammer
- base
- hammers
- processing device
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Abstract
The utility model relates to a piano producing tool technical field discloses a hammer head root felt processing apparatus. The hammer root felt processing device comprises a base and a guide rail fixedly arranged on the base, wherein the two sides of the guide rail on the base are respectively provided with a positioning mechanism for positioning the hammer, a tool apron is arranged on the guide rail in a sliding mode along the length direction of the hammer, a scratching tool is arranged on the tool apron and moves along the guide rail to cut the root felt of the hammer. The positioning mechanism on the base positions the whole pair of hammers, and when the tool apron slides on the guide rail, the scratch knife can cut orderly scratches on the whole pair of hammers at one time, so that the length from the white felt at the root of the hammers to the top is kept all the time, and the attractiveness of the hammers is enhanced.
Description
Technical Field
The utility model relates to a piano producing tool technical field especially relates to a hammer head root felt processing apparatus.
Background
The piano hammer is an important component of a piano string striking machine system, is a key part for connecting the piano string striking machine system and a piano sound source system, and the outer layer of the common piano hammer is wrapped by pure wool to achieve better timbre. The traditional hammer head is formed by gluing and pressing a wood core, a core felt and a face felt in a certain mode, and the felt at the root of the wood core needs to be regularly processed after the felt is fixed on the wood core, so that the felt on the hammer head is tidy and attractive.
The invention discloses a method for manufacturing a piano action system hammer, which is disclosed in Chinese patent application with application publication No. CN105185355A and application publication No. 2015.12.23, and the method for manufacturing the piano action system hammer comprises the steps of adhering a layer of adhesive tape on the part A of the wooden core of the hammer to ensure that the white surface felt of the hammer is glued and positioned with the wooden core, cutting off the redundant white surface felt above the part A by using a cutter after the hammer is firmly glued, and tearing off the adhesive tape.
According to the manufacturing method of the hammer head of the piano action system, the scratch is marked at the root of the hammer head, and when the transparent adhesive tape is used for tearing off the redundant white felt at the root, the scratch on the root of the hammer head is marked independently and does not have a uniform limit standard, the scratch on the white felt at the root of the whole pair of hammer heads is not in a straight line, so that the length from the white felt at the root of each hammer head to the top of the whole pair of hammer heads is different, and the attractive effect of the hammer heads is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the utility model provides a hammer root felt processing apparatus to solve the white felt of each hammer root in the whole pair of hammer among the prior art and not the length to the top differs, influence the problem of the pleasing to the eye effect of hammer.
In order to solve the technical problem, the utility model provides a hammer head root felt processing apparatus, including base and the fixed guide rail that sets up on the base, lie in on the base the both sides of guide rail all are equipped with the positioning mechanism who is used for the location to the hammer head, the length direction slip along the hammer head on the guide rail is equipped with the blade holder, the assembly utility knife on the blade holder, the root felt of tool knife removal in order to cut the hammer head is followed to the utility model.
Preferably, the positioning mechanism includes a support for supporting the hammers, a positioning member arranged between the support and the guide rail and a pressing seat for pressing the hammers, the positioning member having an abutment surface for abutment with roots of the hammers, the abutment surface for defining a space between the hammers and the guide rail.
Preferably, the positioning member is an angle steel arranged at intervals along the extending direction of the guide rail, the angle steel has a connecting edge connected with the base and a vertical edge perpendicular to the connecting edge, and the abutting surface is formed by the vertical edge.
Preferably, the supporting member is a strip-shaped structure, and an included angle is formed between the extending direction of the supporting member and the extending direction of the guide rail.
Preferably, the pressing base is a quick clamp arranged on a side of the support member facing away from the guide rail, the quick clamp includes a clamp shank and a clamp head arranged on the clamp shank, and the clamp head is used for pressing the hammer.
Preferably, the base is further provided with a pad for supporting a hammer at a pressing position of the quick clamp.
Preferably, the tool apron comprises a sliding block which is slidably assembled on the guide rail, a cutter clamping plate which is arranged on the sliding block and a cutter pressing block which is fixed on the cutter clamping plate, and the scriber is clamped and assembled between the cutter clamping plate and the cutter pressing block.
Preferably, the knife clamping plate is respectively provided with the knife pressing blocks on two sides of the guide rail.
Preferably, the knife clamping plate is also provided with a handle, and the handle is arranged perpendicular to the guide rail.
Preferably, the base is further provided with limiting blocks at two ends of the guide rail for limiting the tool apron.
The utility model discloses hammer head root felt processing apparatus compares with prior art, and its beneficial effect lies in: the positioning mechanism on the base positions the whole pair of hammers, and when the tool apron slides on the guide rail, the scratch knife can cut orderly scratches on the whole pair of hammers at one time, so that the length from the white felt at the root of the hammers to the top is kept all the time, and the attractiveness of the hammers is enhanced.
Drawings
FIG. 1 is a schematic structural view of a hammer head root felt treatment device of the present invention without a pressing base;
FIG. 2 is a plan view of a hammer root felt processing apparatus of FIG. 1 with a tool rest omitted;
fig. 3 is a schematic structural view of a pressing base of the hammer root felt processing device of the present invention.
In the figure, 1, a base; 2. a guide rail; 3. a support member; 4. a positioning member; 5. a pressing seat; 6. a tool apron; 61. a slider; 62. a knife clamping plate; 63. pressing a cutter block; 64. a handle; 7. a cutter; 8. cushion blocks; 9. and a limiting block.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The utility model discloses a preferred embodiment of hammer root felt processing apparatus, as shown in fig. 1, this hammer root felt processing apparatus includes base 1, guide rail 2, support piece 3, setting element 4, compresses tightly seat 5, blade holder 6 and cut sword 7. The base 1 is a rectangular plate structure, the base 1 is a foundation of the whole device, the guide rail 2, the support member 3, the positioning member 4, the pressing seat 5 and the tool apron 6 are respectively installed and fixed on the base 1, and the support member 3, the positioning member 4 and the pressing seat 5 form a positioning mechanism for positioning the hammer heads.
The guide rail 2 is arranged at the middle position of the base 1, the guide rail 2 extends along the length direction of the base 1, and the guide rail 2 is fixedly installed on the base 1 by using bolts. The two sides of the extending direction of the guide rail 2 are respectively provided with a support 3, the support 3 is used for supporting the whole pair of hammers, in the embodiment, the support 3 is a strip-shaped angle steel, the horizontal edge of the angle steel is attached to the base 1 and is installed on the stator base 1 by using bolts, and the vertical edge of the angle steel, which is perpendicular to the horizontal edge, is perpendicular to the base 1. The support piece 3 is of a strip-shaped structure, the contact area between the support piece and the hammer head is increased, the stability is improved, the angle steel is used as a finished product, the cost is low, and the manufacturing is simple.
The extending direction of the support 3 and the extending direction of the guide rail 2 form an included angle, due to the continuity of piano musical scale, after adjacent hammers are arranged according to the musical scale sequence, the hammers gradually change from big to small from low hammers to high hammers, so that the whole row of hammers are inclined planes, the extending direction of the support 3 and the guide rail 2 form an included angle which is equal to the inclined angle of the hammer inclined planes, and the length from white felt to the top is kept constant when the tool apron 6 moves on the guide rail 2. The supports 3 on both sides are arranged axisymmetrically with the guide rail 2, that is, the supports 3 on both sides are arranged in a tapered shape, and scratches can be cut on both sides of the hammer head after the hammer head is turned over, thereby improving the working efficiency.
The positioning members 4 are arranged between the support members 3 and the guide rails 2, two positioning members 4 are arranged between each support member 3 and the guide rail 2, and the two positioning members 4 are arranged at intervals along the extending direction of the support members 3. The length of the positioning piece 4 is smaller than that of the supporting piece 3, so that the size of the positioning piece 4 can be reduced, the cost is saved, and meanwhile, the accuracy is improved by positioning two points. In this embodiment, the positioning member 4 is an angle steel, the angle steel forming the positioning member 4 and the angle steel forming the support member 3 are arranged oppositely, the horizontal side of the angle steel is fixedly mounted on the base 1 through a bolt, and the vertical side of the angle steel is perpendicular to the base 1. When the angle iron works, the root of the hammer is abutted against the positioning piece 4 to complete positioning, so that scratches are ensured to be tidy, and the vertical edge of the angle iron forms an abutting surface for abutting against the hammer. The positioning pieces 4 on both sides of the guide rail 2 are arranged axisymmetrically with the guide rail 2, so that the whole form is beautiful, and the hammer head can be conveniently positioned after being turned over.
The four pressing seats 5 are four in total, the four pressing seats 5 are divided into two pairs of symmetrical arrangement at two sides of the extension direction of the guide rail 2, the pressing seats 5 are located on one side of the support piece 3 departing from the guide rail 2, and each pair of pressing seats 5 can press two ends of the whole pair of hammers to avoid the movement of the hammers when the scriber 7 cuts. In this embodiment, the pressing base 5 is a quick clamp, the quick clamp includes a clamp handle and a clamp head arranged on the clamp handle, the clamp head is used for pressing the hammer head, and the quick clamp is used as a finished product in the prior art, so that the use is convenient.
The blade holder 6 is slidably mounted on the guide rail 2, and a pulley (not shown) is mounted between the blade holder 6 and the side wall of the guide rail 2 to reduce friction force when the blade holder 6 moves. The base 1 is provided with limiting blocks 9 at two ends of the extending direction of the guide rail 2 through bolt fixing, and the limiting blocks 9 are used for limiting the moving stroke of the tool apron 6 and avoiding the tool apron 6 from marking the guide rail 2. The tool apron 6 comprises a slide block 61, a cutter clamping plate 62 and a cutter pressing block 63, wherein the slide block 61 is slidably assembled on the guide rail 2, and a pulley is fixed on the slide block 61. The knife clamping plate 62 is fixedly assembled on the sliding block 61 through bolts, the knife clamping plate 62 is arranged in an axisymmetric manner by taking the guide rail 2 as an axis, and two ends of the knife clamping plate 62 extend to two sides of the guide rail 2.
The knife clamping plate 62 is respectively provided with a knife pressing block 63 at two sides of the guide rail 2, and the scriber 7 is clamped and provided between the knife clamping plate 62 and the knife pressing block 63. The pressing cutter block 63 is fixedly connected with the cutter clamping plate 62 through bolts, and when the utility model 7 needs to be replaced, the pressing cutter block 63 can be detached through the bolts, so that the utility model 7 can be replaced quickly. The knife holder plate 62 is also provided with a handle 64 through bolts, the handle 64 is arranged perpendicular to the guide rail 2, and the handle 64 is convenient for an operator to push the knife holder 6.
The base 1 is further fixedly provided with a cushion block 8 through a bolt, and the cushion block 8 is fixed at the pressing position of the quick clamp. When the support 3 supports the hammers, the cushion blocks 8 can assist in supporting the hammers, increasing the local strength of the hammers and avoiding the damage of the quick clamp to the hammers.
In other embodiments of the hammer head root felt processing device of the present invention, the supporting member may be a channel steel, a square steel, etc. fixed on the base; the supporting piece can also be a plurality of supporting blocks arranged at intervals along the extending direction of the guide rail; the supporting piece and the guide rail can also be arranged in parallel; the tool apron can also be a rotary seat which is assembled on the guide rail in a sliding way, the tool apron can rotate in the horizontal plane, and the tool pressing block and the scribing tool are arranged on one side of the tool clamping plate only so as to reduce the volume of the tool apron; the compressing seat can also be an air cylinder assembled on the base, and a piston rod of the air cylinder can compress the hammer when the air cylinder stretches out and draws back.
To sum up, the embodiment of the utility model provides a hammer head root felt processing apparatus, it utilizes support piece and setting element on the base to support the location to whole pair of hammer head, and when the blade holder slided on the guide rail, the utility model discloses the scratch sword can once only cut out orderly mar on whole pair of hammer head, makes the white felt of hammer head root keep always to the length at top, strengthens the pleasing to the eye of hammer head.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (10)
1. The hammer head root felt processing device is characterized by comprising a base and a guide rail fixedly arranged on the base, wherein the two sides of the guide rail on the base are respectively provided with a positioning mechanism used for positioning a hammer head, a tool apron is arranged on the guide rail in a sliding mode along the length direction of the hammer head, a scratching knife is arranged on the tool apron, and the scratching knife moves along the guide rail to cut the root felt of the hammer head.
2. The hammer root felt processing device according to claim 1, wherein the positioning mechanism includes a support for supporting the hammers, a positioning member arranged between the support and the guide rail, the positioning member having an abutment face for abutment with the roots of the hammers, the abutment face for defining a space between the hammers and the guide rail, and a pressing seat for pressing the hammers.
3. The hammer root felt processing device according to claim 2, wherein the positioning member is an angle steel arranged at intervals in an extending direction of the guide rail, the angle steel having a connecting side connected with the base and a vertical side perpendicular to the connecting side, the abutment face being formed by the vertical side.
4. The hammer root felt processing device according to claim 2, wherein the support is a bar-shaped structure, and an extending direction of the support and an extending direction of the guide rail have an angle therebetween.
5. The hammer root felt processing device according to claim 2, wherein the pressing seat is a quick clamp disposed on a side of the support member facing away from the guide rail, the quick clamp including a clamp shank and a clamp head disposed on the clamp shank, the clamp head being for pressing the hammers.
6. The hammer root felt processing device according to claim 5, wherein the base is further provided with a pad for supporting the hammer at the pressing position of the quick clamp.
7. The hammer root felt processing device according to any one of claims 1 to 6, wherein the tool rest includes a slider slidably fitted on the guide rail, a blade holder provided on the slider, and a blade presser fixed on the blade holder, the scribe tool being clampingly fitted between the blade holder and the blade presser.
8. The hammer root felt processing device according to claim 7, wherein the blade clamping plates are respectively equipped with the blade presser blocks on both sides of the guide rail.
9. The hammer root felt processing device according to claim 7, wherein a handle is further fitted on the blade holder, the handle being arranged perpendicularly to the guide rail.
10. The hammer root felt processing device according to any one of claims 1 to 6, wherein a stopper for limiting the tool rest is further provided on the base at both ends of the guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921581992.6U CN211150075U (en) | 2019-09-20 | 2019-09-20 | Hammer head root felt processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921581992.6U CN211150075U (en) | 2019-09-20 | 2019-09-20 | Hammer head root felt processing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211150075U true CN211150075U (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921581992.6U Active CN211150075U (en) | 2019-09-20 | 2019-09-20 | Hammer head root felt processing apparatus |
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| CN (1) | CN211150075U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110580888A (en) * | 2019-09-20 | 2019-12-17 | 广州珠江恺撒堡钢琴有限公司 | Hammer head root felt processing apparatus |
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2019
- 2019-09-20 CN CN201921581992.6U patent/CN211150075U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110580888A (en) * | 2019-09-20 | 2019-12-17 | 广州珠江恺撒堡钢琴有限公司 | Hammer head root felt processing apparatus |
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