CN218556284U

CN218556284U - Piano apron clamping device

Info

Publication number: CN218556284U
Application number: CN202221239005.6U
Authority: CN
Inventors: 林洁
Original assignee: Shanghai Bozun Piano Co ltd
Current assignee: Shanghai Bozun Piano Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2023-03-03
Anticipated expiration: 2032-05-23

Abstract

The utility model discloses a piano apron clamping device, including bottom plate and removal subassembly, make the threaded rod rotate through rotating the hand wheel and drive the slider and remove, stopper and spacing groove cooperation are spacing to the sliding block, make the both ends of apron be located the inside of two sets of the mounting bracket of the type of the \21274, it is fixed to carry out the centre gripping to the apron to drive the clamp plate through the flexible clamp plate decline of electronic hydraulic stem piston rod, through placing the board and the cooperation of fixed subassembly on two sets of the type of the mounting bracket of the type of the \21274, carry out the auxiliary stay to the bottom of apron, avoid warping in the apron course of working, moreover, the steam generator is simple in structure, the operation is convenient, when needing to add to the different positions of apron, drive the rotor plate through the driving motor output shaft and rotate, the turntable bearing provides the holding power to the rotor plate, ball and rotor plate bottom circular slot cooperation in a plurality of groups of mounting grooves on the bottom plate, carry out the auxiliary stay when rotating the rotor plate, stability when increasing the rotor plate and rotating, and then be convenient for carry out the processing operation to different positions of apron.

Description

Piano apron clamping device

Technical Field

The utility model relates to a piano production and processing technology field specifically is a piano apron clamping device.

Background

The main structure of the piano comprises a pedal, a tuning pin, a hammer, a damper, a string striking machine, a soundboard, keys and a cover plate, wherein the cover plate is mainly used for protecting the keys, and when the piano cover plate is machined, a clamping device is generally required to clamp and fix the piano cover plate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a piano apron clamping device has simple structure, and the simple operation can carry out the centre gripping to the apron fast and fix, and the apron is difficult to warp, need not to take off again centre gripping man-hour to the different positions of apron to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a piano cover plate clamping device comprises a bottom plate and a moving assembly, wherein four groups of supporting legs are symmetrically arranged at the bottom of the bottom plate, a groove is formed in the middle of the surface of the bottom plate, a turntable bearing is fixedly arranged in the groove, a driving motor is fixedly arranged at the lower end of the bottom plate through a support, one end of an output shaft of the driving motor is fixedly connected with a rotating plate through the turntable bearing, a placing plate is fixedly arranged at the middle of the upper end of the rotating plate, 21274type mounting frames are arranged on two sides of the placing plate of the rotating plate, and a fixing assembly is arranged on the 21274type mounting frames, one group of the 21274type mounting frames are fixedly connected with the rotating plate, and the other group of the 21274type mounting frames are in sliding connection with the rotating plate through the moving assembly;

the surface of one end of the rotating plate is provided with a sliding groove, the moving assembly is installed on the inner side of the sliding groove and comprises a threaded rod, the threaded rod is installed on the inner side of the sliding groove in a rotating mode, one end of the threaded rod is connected with a hand wheel, the outer wall of the threaded rod is in threaded connection with a sliding block, and the V-21274type installing frame is fixedly installed on the top of the sliding block.

Preferably, the fixing assembly comprises an electric hydraulic rod, one end of a piston rod of the electric hydraulic rod penetrates through the 21274mounting frame and is fixedly connected with a pressing plate, and a rubber pad is fixedly bonded at the bottom of the pressing plate.

Preferably, the equal fixedly connected with stopper in both sides of sliding block, be the symmetry on the inner wall of spout and seted up two sets of spacing grooves, it is two sets of the stopper is sliding mounting respectively in the inside of two sets of spacing grooves.

Preferably, the bottom of the bottom plate is provided with a through hole communicated with the groove, and one end of the output shaft of the driving motor sequentially penetrates through the through hole and the turntable bearing to be fixedly connected with the bottom of the rotating plate.

Preferably, the bottom plate is located the outside of recess and has seted up a plurality of groups mounting groove, a plurality of groups the mounting groove is the annular array setting, and the inside rotation of mounting groove installs the ball, the circular recess corresponding with a plurality of groups ball is seted up to the bottom of rotor plate, the top of ball is located the inside of circular recess.

Preferably, the two ends of the rotating plate, which are located at the sliding groove, are fixedly embedded with rotating bearings, the two ends of the threaded rod are respectively and fixedly inserted into the inner rings of the two groups of rotating bearings, and one end of the threaded rod penetrates through one group of rotating bearings to be fixedly connected with the hand wheel.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a place the apron on placing the board, make the threaded rod rotate and drive the sliding block to move through rotating the hand wheel, stopper and spacing groove cooperate and carry on the spacing to the sliding block, make it can only control the lateral motion, adjust the distance between two sets of v-21274type mounting brackets according to the specification size of the apron, make both ends of the apron locate in the inside of two sets of v-21274type mounting brackets, drive the clamp plate to descend through the flexible electronic hydraulic stem piston rod and carry on the centre gripping to the apron fixedly, cooperate with the fixed subassembly on two sets of v-21274type mounting brackets through placing the board, carry on the auxiliary stay to the bottom of the apron, avoid the deformation in the course of working of the apron, simple in construction, easy to operate;

2. when different positions of the cover plate need to be machined, the rotating plate is driven to rotate through the output shaft of the driving motor, the rotating disc bearing provides supporting force for the rotating plate, the balls in the plurality of groups of mounting grooves on the bottom plate are matched with the circular grooves in the bottom of the rotating plate, the rotating plate is supported in an auxiliary mode when rotating, the stability of the rotating plate during rotating is improved, machining operation on different positions of the cover plate is facilitated, the cover plate does not need to be taken down and clamped again, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

fig. 2 is a schematic view of an axial measurement structure of the moving assembly of the present invention;

fig. 3 is a schematic view of the bottom plate of the present invention.

In the figure: 1. a base plate; 2. a groove; 3. a turntable bearing; 4. a drive motor; 5. a rotating plate; 6. placing the plate; 7. model # 21274; 8. an electro-hydraulic lever; 9. pressing a plate; 10. a chute; 11. a threaded rod; 12. A rotating bearing; 13. a hand wheel; 14. a slider; 15. a limiting block; 16. a limiting groove; 17. mounting grooves; 18. a ball bearing; 19. a circular groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a piano cover plate clamping device comprises a bottom plate 1 and a moving assembly, four groups of supporting legs are symmetrically installed at the bottom of the bottom plate 1, a groove 2 is formed in the middle of the surface of the bottom plate 1, a turntable bearing 3 is fixedly installed inside the groove 2, a driving motor 4 is fixedly installed at the lower end of the bottom plate 1 through a support, the driving motor 4 is set to be a forward and reverse rotation stepping motor, one end of an output shaft of the driving motor 4 is fixedly connected with a rotating plate 5 through the turntable bearing 3, a through hole communicated with the groove 2 is formed in the bottom of the bottom plate 1, one end of the output shaft of the driving motor 4 sequentially penetrates through the through hole and the turntable bearing 3 to be fixedly connected with the bottom of the rotating plate 5, the rotating plate 5 is conveniently driven to rotate through the output shaft of the driving motor 4, and the turntable bearing 3 provides supporting force for the rotating plate 5;

a placing plate 6 is fixedly installed in the middle of the upper end of the rotating plate 5, a v-21274type mounting frame 7 is arranged on each of two sides of the rotating plate 5, and a fixing assembly is installed on each v-21274type mounting frame 7 and comprises an electric hydraulic rod 8, one end of a piston rod of each electric hydraulic rod 8 penetrates through the v-21274type mounting frame 7 and is fixedly connected with a pressing plate 9, a rubber pad is fixedly bonded at the bottom of each pressing plate 9, so that the pressing plates 9 are driven to descend by the expansion and contraction of the piston rods of the electric hydraulic rods 8 to clamp the cover plate, the bottom of the cover plate is supported in an auxiliary manner through the matching of the placing plate 6 and the fixing assemblies on the two v-21274type mounting frames 7, the rubber pads protect the cover plate, the cover plate 9 is prevented from being abraded, the deformation in the cover plate processing process is avoided, the structure is simple, and the operation is convenient;

one group of the v-21274mounting frame 7 is fixedly connected with the rotating plate 5, the other group of the v-21274mounting frame 7 is slidably connected with the rotating plate 5 through a moving assembly, a sliding groove 10 is formed in the surface of one end of the rotating plate 5, the moving assembly is installed on the inner side of the sliding groove 10, the moving assembly comprises a threaded rod 11, the threaded rod 11 is rotatably installed on the inner side of the sliding groove 10, one end of the threaded rod 11 is connected with a hand wheel 13, two ends of the rotating plate 5, which are positioned on the sliding groove 10, are fixedly embedded with rotating bearings 12, two ends of the threaded rod 11 are respectively fixedly inserted into inner rings of the two groups of rotating bearings 12, one end of the threaded rod 11 penetrates through one group of the rotating bearings 12 to be fixedly connected with the hand wheel 13, the outer wall of the threaded rod 11 is in threaded connection with sliding blocks 14, one group of the v-212747 is fixedly installed at the top of the sliding block 14, two sides of the sliding block 14 are respectively and symmetrically provided with two groups of limiting grooves 16, the two groups of limiting blocks 15 are respectively slidably installed inside the two groups of limiting grooves 16, so that the sliding blocks 11 can only carry out a limiting movement of the sliding block mounting frame according to the transverse movement of the mounting frame 7;

a plurality of groups mounting groove 17 have been seted up in the outside that bottom plate 1 is located recess 2, a plurality of groups mounting groove 17 are the annular array setting, and the inside rotation of mounting groove 17 installs ball 18, the circular recess 19 corresponding with a plurality of groups ball 18 has been seted up to the bottom of rotor plate 5, the top of ball 18 is located the inside of circular recess 19, be convenient for through the cooperation of ball 18 and rotor plate 5 bottom circular recess 19 in a plurality of groups mounting groove 17 on bottom plate 1, carry out the auxiliary stay when rotating plate 5 rotates, increase the stability when rotating plate 5 rotates.

When the utility model is used, the cover plate is placed on the placing plate 6, the threaded rod 11 is rotated to drive the sliding block 14 to move by rotating the hand wheel 13, the limiting block 15 and the limiting groove 16 are matched to limit the sliding block 14, so that the sliding block can only move transversely left and right, the distance between the two groups of the v-shaped mounting frames 7 is adjusted according to the specification size of the cover plate, so that the two ends of the cover plate are positioned inside the two groups of the v-shaped mounting frames 7, the pressing plate 9 is driven to descend by the expansion and contraction of the piston rod of the electric hydraulic rod 8 to clamp the cover plate, and the bottom of the cover plate is supported in an auxiliary way by matching the placing plate 6 with the fixed components on the two groups of the v-shaped mounting frames 7, thereby avoiding the deformation of the cover plate in the processing process, and having simple structure and convenient operation;

when different positions of the cover plate need to be machined, the output shaft of the driving motor 4 drives the rotating plate 5 to rotate, the turntable bearing 3 provides supporting force for the rotating plate 5, the balls 18 in the plurality of groups of mounting grooves 17 on the bottom plate 1 are matched with the circular groove 19 in the bottom of the rotating plate 5, the rotating plate 5 is supported in an auxiliary mode when rotating, the stability of the rotating plate 5 when rotating is improved, machining operation is convenient for different positions of the cover plate, the cover plate does not need to be taken down and clamped again, and the working efficiency is improved.

The same reference numbers in different drawings identify the same or similar elements; it should be further understood that terms such as "first," "second," "third," "upper," "lower," "front," "rear," "inner," "outer," "end," "portion," "section," "width," "thickness," "zone," and the like, may be used solely for convenience in reference to the figures and to aid in describing the invention, and are not intended to limit the invention.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a piano apron clamping device, includes bottom plate (1) and removal subassembly, its characterized in that: four groups of supporting legs are symmetrically installed at the bottom of the bottom plate (1), a groove (2) is formed in the middle of the surface of the bottom plate (1), a turntable bearing (3) is fixedly installed inside the groove (2), a driving motor (4) is fixedly installed at the lower end of the bottom plate (1) through a support, one end of an output shaft of the driving motor (4) is fixedly connected with a rotating plate (5) through the turntable bearing (3), a placing plate (6) is fixedly installed at the middle of the upper end of the rotating plate (5), two sides of the rotating plate (5) on the placing plate (6) are respectively provided with a v-21274type mounting frame (7), and a fixing assembly is installed on the v-21274type mounting frame (7), wherein one group of the v-21274type mounting frames (7) is fixedly connected with the rotating plate (5), and the other group of the v-21274;

a sliding groove (10) is formed in the surface of one end of the rotating plate (5), the moving assembly is installed on the inner side of the sliding groove (10) and comprises a threaded rod (11), the threaded rod (11) is installed on the inner side of the sliding groove (10) in a rotating mode, a hand wheel (13) is connected to one end of the threaded rod (11), a sliding block (14) is connected to the outer wall of the threaded rod (11) in a threaded mode, and one group of the 21274type installing frames (7) is fixedly installed on the top of the sliding block (14).

2. A piano cover plate holding apparatus according to claim 1, wherein: the fixing assembly comprises an electric hydraulic rod (8), one end of a piston rod of the electric hydraulic rod (8) penetrates through the mounting rack (7) and is fixedly connected with a pressing plate (9), and a rubber pad is fixedly bonded at the bottom of the pressing plate (9).

3. A piano cover plate holding apparatus according to claim 1, wherein: the equal fixedly connected with stopper (15) in both sides of sliding block (14), be the symmetry on the inner wall of spout (10) and seted up two sets of spacing grooves (16), two sets of stopper (15) slidable mounting is respectively in the inside of two sets of spacing grooves (16).

4. A piano cover plate holding apparatus according to claim 1, wherein: the bottom of the bottom plate (1) is provided with a through hole communicated with the groove (2), and one end of an output shaft of the driving motor (4) sequentially penetrates through the through hole and the bottom of the turntable bearing (3) to be fixedly connected with the rotating plate (5).

5. A piano cover plate holding apparatus according to claim 1, wherein: a plurality of groups of mounting grooves (17) have been seted up in the outside that bottom plate (1) is located recess (2), a plurality of groups mounting groove (17) are the annular array setting, and the inside rotation of mounting groove (17) installs ball (18), circular recess (19) corresponding with a plurality of groups ball (18) have been seted up to the bottom of rotor plate (5), the top of ball (18) is located the inside of circular recess (19).

6. A piano cover plate holding apparatus according to claim 1, wherein: the two ends of the rotating plate (5) positioned on the sliding groove (10) are fixedly embedded with rotating bearings (12), the two ends of the threaded rod (11) are respectively and fixedly inserted into the inner rings of the two groups of rotating bearings (12), and one end of the threaded rod (11) penetrates through one group of rotating bearings (12) to be fixedly connected with the hand wheel (13).