CN212498154U

CN212498154U - Special frock of punching of piano hammer head processing mounting hole

Info

Publication number: CN212498154U
Application number: CN202020642642.2U
Authority: CN
Inventors: 梁宇薇; 侯洪亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-02-09
Anticipated expiration: 2030-04-24

Abstract

The utility model relates to a special frock of punching of piano hammer head processing mounting hole, including base and clamping mechanism, the base comprises a bottom plate and two blocks of curb plates, the clamping mechanism oscillating is installed between two blocks of curb plates of base, and this clamping mechanism comprises two mounting panels, a locating plate and a pressure strip, locating plate and pressure strip parallel mount are on two mounting panels to be located two positions between the mounting panel, form processing location interval between this locating plate and the pressure strip, the pressure strip on be equipped with and compress tightly the piece, should compress tightly a piece and locating plate formation clamping mechanism, the inboard of locating plate is equipped with the setting element. The utility model discloses high accurate positioning, accurate angle punch, improve machining efficiency, better assurance machining precision.

Description

Special frock of punching of piano hammer head processing mounting hole

Technical Field

The utility model relates to a piano accessory field of making, concretely relates to special frock of punching of piano hammer head processing mounting hole.

Background

The piano hammers belong to vital moving parts in piano accessories, 88 hammers are used in one piano, each hammer in each sound zone has different angles, the hammer angles depend on the angle arrangement of piano strings, and in the process of manufacturing and maintaining the piano, particularly in the process of machining mounting holes of the piano hammers, the hammers are generally positioned and machined by a plurality of positioning devices, so that the problems of complex machining and positioning operation, inaccurate positioning and low machining precision are caused, and the playing tone quality of the piano is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a special frock of punching of piano hammer head processing mounting hole for solve the problem that has above-mentioned location inaccurate, location operation complicacy, positioning accuracy low and influence the playing tone quality of piano in the current hammer head manufacturing process.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a special frock of punching of piano hammer head processing mounting hole, includes base and clamping mechanism, the base comprises a bottom plate and two blocks of curb plates, the clamping mechanism oscillating is installed between two blocks of curb plates of base, and this clamping mechanism comprises two mounting panels, a locating plate and a pressure strip, locating plate and pressure strip parallel mount are on two mounting panels to be located position between two mounting panels, form processing location interval between this locating plate and the pressure strip, the pressure strip on be equipped with and compress tightly the piece, should compress tightly piece and locating plate formation clamping mechanism, the inboard of locating plate is equipped with the setting element.

The purpose of the utility model can also be realized through the following technical scheme:

furthermore, the pressing piece is a bolt penetrating through the pressing plate, and the bolt is in threaded connection with the pressing plate.

Furthermore, the two mounting plates of the clamping mechanism and the two side plates of the base are respectively connected and mounted through a rotary stud, and the mounting plates on the two sides rotate on the same central axis to drive the positioning plate and the pressing plate to swing in the two side plates of the base.

Furthermore, a swinging scale mark is arranged at a corresponding position between the side plate of the base and the mounting plate of the clamping mechanism.

Furthermore, the upper end of the side plate of the base is arc-shaped, and the upper end of the mounting plate of the clamping mechanism is arc-shaped.

Furthermore, the scale marks are arranged on the side plates and the mounting plate.

Furthermore, the positioning plate is provided with an adjusting block, the adjusting block is a right-angle fixing block arranged on the positioning plate, the adjusting block is provided with a slotted hole, and the adjusting block is movably arranged on the positioning plate through the slotted hole and the right-angle position and is fixedly arranged through a locking bolt.

Furthermore, the position of a positioning plate of the adjusting block is provided with longitudinal adjusting scale numbers.

Furthermore, the pressing piece and the rotating stud are provided with handheld rotating handles.

Furthermore, the compacting plate is provided with a notch corresponding to the shape of the hammer, an obliquely processed opening is arranged on the upper side of the positioning plate, and the positioning piece is a protruding piece provided with a positioning plane.

Compared with the prior art, the technical scheme of the utility model, have following advantage:

1. the utility model discloses an oscillating clamping mechanism reaches the angle of adjusting between hammer head and the processing sword, can effectively realize installing fast, adjust, fix a position the position relation between processing hammer head and the processing cutter, high accurate location, accurate angle punch, improve machining efficiency, and better assurance machining precision can adjust the rotation processing angle wantonly according to hammer head design angle, can realize accurate processing, more can guarantee the quality of piano.

2. The utility model discloses a regulating block on the locating plate can realize the position that the tight hammer head of horizontal vertical adjustment clamp, from this, applicable hammer head processing in multiple model to effectively strengthen the application scope of this frock, process more in a flexible way, and can carry out the secondary and adjust, strengthen the practicality of this device effectively.

3. The utility model discloses a clamping mechanism passes through locating plate and pressure strip parallel mount on two mounting panels of base, through rotating on same center axis, and effectual improvement adjustment location position and processing angle, the machining precision is higher.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a perspective view of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the special punching tool for machining the mounting hole of the piano hammer comprises a base 1 and a clamping mechanism 2, the base 1 consists of a bottom plate 11 and two side plates 12, the clamping mechanism 2 is arranged on the two side plates 12 of the base 1 in a swing mode and is positioned between the two side plates 12, the clamping mechanism 2 consists of two mounting plates 21, a positioning plate 22 and a pressing plate 23, the positioning plate 22 and the pressing plate 23 are arranged on the two mounting plates 21 in parallel and are positioned between the two mounting plates 21, a processing positioning space 3 is formed between the positioning plate 22 and the pressing plate 23, and when the clamping mechanism 2 does not swing, the positioning plate 22 and the pressing plate 23 are perpendicular to the bottom plate 11 of the base 1, the pressing plate 23 is provided with a pressing piece 231, the pressing member 231 and the positioning plate 22 form a clamping mechanism, and the positioning member 222 is disposed on the inner side of the positioning plate 22. The pressing member 231 is a bolt penetrating through the pressing plate 23, the bolt is installed with the pressing plate 23 in a threaded manner, that is, a screw hole is formed in the pressing plate 23, the pressing member 231 penetrates through the pressing plate 23 through the screw hole and forms an adjusting clamping hammer with the positioning member 222 to process a fixing member, when the clamping device is used, the processing hammer is placed at the processing positioning interval 3, and is pressed and fixed on the plane of the positioning plate 23 through the pressing member 231 to be fixed.

In the embodiment, the two mounting plates 21 of the clamping mechanism 2 and the two side plates 12 of the base 1 are respectively connected and mounted through the rotary studs 4, the mounting plates 21 on the two sides rotate on the same central axis to drive the positioning plate 22 and the pressing plate 23 to swing in the two side plates 12 of the base 1, namely, the clamping mechanism 2 is driven to rotate and swing to form an adjustable angle for processing hammer head mounting holes, and the swing scale marks 5 are arranged at corresponding positions between the side plates 12 of the base 1 and the mounting plates 21 of the clamping mechanism 2, so that the hammer head can be precisely adjusted and swung to process the hammer head.

Processing for the inclination of the tight hammer head of better adjustment clamping mechanism 2 clamp, the curb plate 12 upper end of base 1 is the arc form, clamping mechanism 2's mounting panel 21 upper end is circular-arcly, specifically is that the mounting panel 21 upper end sets to the arc that uses the rotation central point as the center, scale sign 5 set up on curb plate 12 and the mounting panel 21, be equipped with a fixed sign on curb plate 12 promptly, the arc position on the mounting panel 21 of fixed sign corresponding position sets up pivoted scale number.

In order to make the hammer head processing mounting hole of the device capable of being longitudinally adjusted back and forth or horizontally, an adjusting block 6 is arranged on the positioning plate 22, the adjusting block 6 is a right-angle fixing block arranged on the positioning plate 22, a parallel slotted hole 61 is arranged on the adjusting block 6, the adjusting block 6 is movably arranged on the positioning plate 22 through the slotted hole 61 and the right-angle position, and is fixedly arranged through a locking bolt 63. In order to adjust the machining precision better, a longitudinal adjusting scale number 62 is arranged on the positioning plate 22 of the adjusting block 6, specifically, a plane 224 perpendicular to the inner side surface 223 is arranged on the upper side of the positioning plate 22, the longitudinal adjusting scale number 62 is a scale number arranged on the plane 224, the adjusting block 6 is attached to the plane 224 and the inner side surface 223 on the upper side of the positioning plate 22 to be movably mounted, and the adjusting block 6 is fixed on the positioning plate 22 through the slotted hole 61 by using a locking bolt 63.

For convenience of use, the pressing piece 231 and the rotary stud 4 are provided with the handheld rotating handle 7, so that tools are not needed in use, and the hand can be directly used for twisting adjustment and fixation. Meanwhile, the pressing plate 23 is provided with a notch 232 corresponding to the shape of the hammer, an opening 221 formed obliquely is provided on the upper side of the positioning plate 22, and the positioning member 222 is a protruding member provided with a positioning plane 2221.

The utility model discloses during the application:

first, hammers to be worked are placed at the working positioning pitch 3 position formed between the positioning plate 22 and the pressing plate 23, and when placed, the hammers are horizontally restrained and fixed by the positioning flat surfaces 2221 on the notches 232 of the pressing plate 23 and the positioning bosses 222 of the positioning plate 22.

Then, the front and rear positions of the hammers are adjusted by moving the adjusting blocks 6 back and forth, and after the front and rear positions are adjusted, the hand-held turning handles 7 on the pressing members 231 are twisted, and the hammers are pressed and fixed to the positioning plate 22 by the pressing members 231 to form horizontal movement fixation, so that the pressing members 231 can be provided as elastic members, or soft materials such as rubber can be provided at the pressing ends of the pressing members 231 in order to prevent damages caused when the pressing members 231 press the hammers.

Finally, when the machining angle needs to be adjusted, the side plate 11 of the base 1 and the mounting plate 21 of the clamping mechanism 2 are loosened by using the handheld rotating handle 7 on the rotating stud 4, so that the clamping mechanism 2 can swing left and right, then the swinging angle between the clamping mechanism 2 and the base 1 is adjusted by arranging the swinging scale mark 5 between the side plate 11 of the base 1 and the mounting plate 21 of the clamping mechanism 2, and the rotating stud 4 is screwed up to be fixed after the swinging angle is determined, so that the machining mounting hole for fixing the piano hammer head can be realized.

The above examples are merely illustrative for clarity and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides a special frock of punching of piano hammer head processing mounting hole, characterized by: including base (1) and clamping mechanism (2), base (1) comprises a bottom plate (11) and two blocks of curb plates (12), clamping mechanism (2) oscillating is installed between two blocks of curb plates (12) of base (1), and this clamping mechanism (2) comprises two mounting panels (21), a locating plate (22) and pressure strip (23), locating plate (22) and pressure strip (23) parallel mount are on two mounting panels (21) to be located position between two mounting panels (21), form processing location interval (3) between this locating plate (22) and pressure strip (23), pressure strip (23) on be equipped with and compress tightly piece (231), should compress tightly piece (231) and locating plate (22) formation clamping mechanism, the inboard of locating plate (22) is equipped with setting element (222).

2. The special punching tool for the piano hammer head machining mounting hole of claim 1, which is characterized in that: the pressing piece (231) is a bolt penetrating through the pressing plate (23), and the bolt is installed with the pressing plate (23) in a threaded mode.

3. The special punching tool for the piano hammer head machining mounting hole of claim 1, which is characterized in that: the two mounting plates (21) of the clamping mechanism (2) and the two side plates (12) of the base (1) are connected and mounted through the rotary studs (4) respectively, and the mounting plates (21) on the two sides rotate on the same central axis to drive the positioning plate (22) and the pressing plate (23) to swing in the two side plates (12) of the base (1).

4. The special punching tool for the piano hammer head machining mounting hole of claim 1, which is characterized in that: and a swinging scale mark (5) is arranged at a corresponding position between the side plate (12) of the base (1) and the mounting plate (21) of the clamping mechanism (2).

5. The special punching tool for the piano hammer head machining mounting hole as claimed in claim 4, wherein the special punching tool is characterized in that: the upper end of a side plate (12) of the base (1) is arc-shaped, and the upper end of a mounting plate (21) of the clamping mechanism (2) is arc-shaped.

6. The special punching tool for the piano hammer head machining mounting hole of claim 5, wherein the special punching tool is characterized in that: the scale mark (5) is arranged on the side plate (12) and the mounting plate (21).

7. The special punching tool for the piano hammer head machining mounting hole of any one of claims 1 to 6, which is characterized in that: the positioning plate (22) is provided with an adjusting block (6), the adjusting block (6) is a right-angle fixing block arranged on the positioning plate (22), the adjusting block (6) is provided with a slotted hole (61), the adjusting block (6) is movably arranged on the positioning plate (22) through the slotted hole (61) and the right-angle position, and the adjusting block is fixedly arranged through a locking bolt (63).

8. The special punching tool for the piano hammer head machining mounting hole of claim 7, which is characterized in that: and the position of the positioning plate (22) of the adjusting block (6) is provided with longitudinal adjusting scale numbers (62).

9. The special punching tool for the piano hammer head machining mounting hole of claim 7, which is characterized in that: and the pressing piece (231) and the rotary stud (4) are provided with handheld rotating handles (7).

10. The special punching tool for the piano hammer head machining mounting hole of claim 7, which is characterized in that: the pressing plate (23) is provided with a notch (232) corresponding to the shape of the hammer, the upper side of the positioning plate (22) is provided with an obliquely processed opening (221), and the positioning piece (222) is a protruding piece provided with a positioning plane (2221).