Wood flattening device for piano production

Abstract

The utility model relates to the technical field of piano production and processing, and discloses a wood flattening device for piano production, which comprises a support frame, the support frame comprises a bottom plate, four corners of the bottom of the bottom plate are fixedly connected with support legs, two sides of the top of the bottom plate are fixedly connected with support plates, and the support plates are fixedly connected with the bottom plate. A sliding rod is fixedly connected to the top of the inner side of the supporting plate, a pressing assembly is installed on the outer side of the sliding rod, elastic assemblies are installed at the four corners of the bottom of the pressing assembly, a pressing plate is installed at the bottoms of the elastic assemblies, and a measuring plate is fixedly connected to the middle of the top of the pressing plate. When the wood is flattened, the pressure spring generates downward thrust on the pressing plate, so that the pressing plate compresses the wood, and in the process that the pressing plate is flattened and deformed, the pressure spring can still provide large pressure on the wood, so that the bent part of the wood is continuously stressed, and the wood flattening effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of piano production and processing, and more specifically to a wood flattening device used for piano production. Background Art

[0002] One of the most basic and key technologies for a good piano is wood processing technology. The selection and processing of wood is the premise for determining the quality of the piano. The wood used in piano production requires a straight surface. Unstraight wood is discarded or pressed and dried in the shade to make it straight before use.

[0003] The utility model patent with authorization announcement number CN211590545U discloses a wood flattening device for piano production, including a base plate with a flat surface, a rectangular frame with a circular cross-section is fixedly arranged on the upper end surface of the base plate, a set of mutually parallel outer walls of the rectangular frame are each provided with a rectangular through groove along the length direction of the outer wall, a plurality of n-shaped plates are installed in the rectangular through groove, a rectangular block portion is respectively arranged on the inner side of the two lower ends of the n-shaped plate, and the two rectangular blocks of the n-shaped plate are respectively arranged in a rectangular through groove, the n-shaped plate can slide freely along the rectangular through groove through the rectangular block portion, a plurality of threaded through holes are arranged on the transverse part of the n-shaped plate, and a tightening screw is installed on the threaded through hole.

[0004] The above technical solution can press according to the size and degree of curvature of the wood. However, when pressing wood with a large degree of curvature, it is difficult to directly press the wood into a straight state. When the bent part of the wood is restored to the same height as the bottom of the rubber sleeve, the pressure of the rubber sleeve on the wood becomes very small and cannot continue to provide a large pressing force, and it is difficult to judge the size of the pressing force. Utility Model Content

[0005] In order to overcome the above defects of the prior art, the utility model provides a wood flattening device for piano production to solve the problems existing in the above background technology.

[0006] The utility model provides the following technical solution: a wood flattening device for piano production, comprising a support frame, the support frame comprising a bottom plate, the four corners of the bottom of the bottom plate are fixedly connected to support legs, both sides of the top of the bottom plate are fixedly connected to support plates, the top of the inner side of the support plate is fixedly connected to a sliding rod, a pressing component is installed on the outer side of the sliding rod, the four corners of the bottom of the pressing component are installed with elastic components, the bottom of the elastic component is installed with a pressing plate, and the middle of the top of the pressing plate is fixedly connected to a measuring plate.

[0007] Furthermore, the pressing assembly includes a fixed plate, which is movably connected to the sliding rod, a screw rod is connected to the middle thread on the top of the fixed plate, a handle ring is fixedly connected to the top of the screw rod, a lifting plate is movably connected to the bottom of the screw rod, and a rectangular hole is opened on the front side of the top of the fixed plate.

[0008] Furthermore, the elastic component includes a cylindrical tube, the top of the cylindrical tube is fixedly connected to the bottom of the lifting plate, the bottom of the inner side of the cylindrical tube is movably sleeved with a cylindrical rod, the bottom of the cylindrical rod is fixedly connected to the top of the pressing plate, the outer side of the cylindrical tube is movably sleeved with a pressure spring, and the pressure spring is located between the lifting plate and the pressing plate.

[0009] Furthermore, a scale is provided on the front side of the measuring plate, and the measuring plate is movably sleeved with the rectangular hole.

[0010] Furthermore, finger grooves are provided around the outer side of the handle ring, and the finger grooves are distributed in a circular array.

[0011] Furthermore, the front and back sides of the bottom of the fixed plate are fixedly connected with positioning tubes, the bottom inner side of the positioning tubes is movably sleeved with positioning rods, and the bottom of the positioning rods is fixedly connected with the top of the lifting plate.

[0012] Technical effects and advantages of the utility model:

[0013] 1. The utility model is provided with an elastic component, the pressure spring is compressed, and the pressure spring generates a downward thrust on the pressing plate, so that the pressing plate presses the wood tightly. In the process of the pressing plate being flattened and deformed, the pressure spring can still provide a large pressure on the wood, so that the bent part of the wood is continuously under pressure, thereby improving the effect of flattening the wood.

[0014] 2. The utility model is provided with a measuring plate, and the deformation amount of the pressure spring can be judged by the scale, so as to control the pressure of the pressing plate on the wood, and can compress the pressure spring by an appropriate amount according to the degree of bending of the wood. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 This is a schematic diagram of the support frame structure of the utility model.

[0017] Figure 3 It is a schematic diagram of the structure of the pressing component of the utility model.

[0018] Figure 4 It is a schematic diagram of the structure of the elastic component of the utility model.

[0019] Figure 5This is a schematic diagram of the structure of the measuring plate of the utility model.

[0020] The accompanying drawings are marked as follows: 1. Support frame; 101. Bottom plate; 102. Support leg; 103. Support plate; 104. Sliding rod; 2. Pressing assembly; 201. Fixing plate; 202. Screw rod; 203. Handle ring; 231. Finger groove; 204. Lifting plate; 241. Rectangular hole; 205. Positioning tube; 206. Positioning rod; 3. Elastic assembly; 301. Cylindrical tube; 302. Cylindrical rod; 303. Pressure spring; 4. Pressing plate; 5. Measuring plate; 501. Scale. DETAILED DESCRIPTION

[0021] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The wood flattening device for piano production involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0022] Reference Figure 1-Figure 5 The utility model provides a wood flattening device for piano production, including a support frame 1, the support frame 1 includes a bottom plate 101, the four corners of the bottom of the bottom plate 101 are fixedly connected with support legs 102, both sides of the top of the bottom plate 101 are fixedly connected with support plates 103, the top of the inner side of the support plate 103 is fixedly connected with a slide bar 104, a pressing component 2 is installed on the outer side of the slide bar 104, the four corners of the bottom of the pressing component 2 are installed with elastic components 3, a pressing plate 4 is installed at the bottom of the elastic component 3, and a measuring plate 5 is fixedly connected to the middle of the top of the pressing plate 4.

[0023] In the embodiment of the present application, rotating the handle ring 203 clockwise drives the screw rod 202 to rotate, and under the action of the threaded thrust of the fixed plate 201 and the screw rod 202, the screw rod 202 drives the lifting plate 204 to move downward, so that the pressing plate 4 is pressed against the surface of the wood, and the pressure spring 303 is compressed, and the pressure spring 303 generates a downward thrust on the pressing plate 4, so that the pressing plate 4 presses the wood tightly. In the process of the pressing plate 4 being flattened and deformed, the pressure spring 303 can still provide a large pressure on the wood, so that the bent part of the wood is continuously under pressure, thereby improving the effect of flattening the wood, and the amount of deformation of the pressure spring 303 can be judged by the scale 501, thereby controlling the pressure of the pressing plate 4 on the wood, and the pressure spring 303 can be compressed by an appropriate amount according to the degree of bending of the wood.

[0024] In a preferred embodiment, the pressing assembly 2 includes a fixed plate 201, which is movably connected to the sliding rod 104, and the middle threaded sleeve on the top of the fixed plate 201 is connected to a screw rod 202, the top of the screw rod 202 is fixedly connected to a handle ring 203, and the bottom of the screw rod 202 is movably connected to a lifting plate 204, and a rectangular hole 241 is opened on the front of the top of the fixed plate 201. Since the connection between the screw rod 202 and the fixed plate 201 is engaged by a thread, when the handle ring 203 is rotated clockwise, the screw rod 202 drives the lifting plate 204 to move downward, so that the pressing plate 4 presses the wood.

[0025] In a preferred embodiment, the elastic component 3 includes a cylindrical tube 301, the top of the cylindrical tube 301 is fixedly connected to the bottom of the lifting plate 204, the bottom of the inner side of the cylindrical tube 301 is movably sleeved with a cylindrical rod 302, the bottom of the cylindrical rod 302 is fixedly connected to the top of the pressing plate 4, and the outer side of the cylindrical tube 301 is movably sleeved with a pressure spring 303, the pressure spring 303 is located between the lifting plate 204 and the pressing plate 4, and the pressure spring 303 is compressed when squeezed by the lifting plate 204, thereby pressing the pressing plate 4.

[0026] In a preferred embodiment, a scale 501 is provided on the front of the measuring plate 5 , and the measuring plate 5 is movably connected to the rectangular hole 241 , and the deformation amount of the pressure spring 303 can be judged by the scale 501 .

[0027] In a preferred embodiment, finger grooves 231 are provided around the outer side of the handle ring 203 . The finger grooves 231 are distributed in a circular array. The finger grooves 231 fit the fingers of the human body, so that the handle ring 203 can be easily rotated.

[0028] In a preferred embodiment, the front and back sides of the bottom of the fixed plate 201 are fixedly connected with a positioning tube 205, and the bottom inner side of the positioning tube 205 is movably sleeved with a positioning rod 206, and the bottom of the positioning rod 206 is fixedly connected to the top of the lifting plate 204. The positioning tube 205 and the positioning rod 206 play a positioning role for the lifting plate 204, so that the lifting plate 204 can be lifted and lowered smoothly, so that the pressure of the pressing plate 4 on the wood is more uniform.

[0029] The working principle of the utility model is as follows: rotating the handle ring 203 clockwise drives the screw rod 202 to rotate, and under the threaded thrust of the fixing plate 201 and the screw rod 202, the screw rod 202 drives the lifting plate 204 to move downward, so that the pressing plate 4 fits and presses on the surface of the wood, and the pressure spring 303 is compressed, and the pressure spring 303 generates a downward thrust on the pressing plate 4, so that the pressing plate 4 presses the wood tightly, and in the process of the pressing plate 4 being flattened and deformed, the pressure spring 303 can still provide a large pressure on the wood, so that the bent part of the wood is continuously under pressure, thereby improving the effect of flattening the wood, and the deformation amount of the pressure spring 303 can be judged by the scale 501, thereby controlling the pressure of the pressing plate 4 on the wood, and the pressure spring 303 can be compressed by an appropriate amount according to the degree of bending of the wood.

[0030] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0031] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0032] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A wood flattening device for piano production, comprising a support frame (1), characterized in that: The support frame (1) comprises a bottom plate (101), the four corners of the bottom of the bottom plate (101) are fixedly connected to support legs (102), both sides of the top of the bottom plate (101) are fixedly connected to support plates (103), the top of the inner side of the support plate (103) is fixedly connected to a slide bar (104), the outer side of the slide bar (104) is installed with a pressing component (2), the four corners of the bottom of the pressing component (2) are installed with elastic components (3), the bottom of the elastic component (3) is installed with a pressing plate (4), and the middle of the top of the pressing plate (4) is fixedly connected to a measuring plate (5).

2. The wood flattening device for piano production according to claim 1, characterized in that: The pressing assembly (2) comprises a fixing plate (201), the fixing plate (201) being movably sleeved with the sliding rod (104), a screw rod (202) being sleeved with the middle thread at the top of the fixing plate (201), a handle ring (203) being fixedly connected to the top of the screw rod (202), a lifting plate (204) being movably connected to the bottom of the screw rod (202), and a rectangular hole (241) being provided on the front of the top of the fixing plate (201).

3. The wood flattening device for piano production according to claim 1, characterized in that: The elastic component (3) comprises a cylindrical tube (301), the top of the cylindrical tube (301) is fixedly connected to the bottom of the lifting plate (204), the bottom of the inner side of the cylindrical tube (301) is movably sleeved with a cylindrical rod (302), the bottom of the cylindrical rod (302) is fixedly connected to the top of the pressing plate (4), the outer side of the cylindrical tube (301) is movably sleeved with a pressure spring (303), and the pressure spring (303) is located between the lifting plate (204) and the pressing plate (4).

4. The wood flattening device for piano production according to claim 1, characterized in that: The front surface of the measuring plate (5) is provided with a scale (501), and the measuring plate (5) is movably sleeved with the rectangular hole (241).

5. The wood flattening device for piano production according to claim 2, characterized in that: Finger grooves (231) are provided around the outer side of the handle ring (203), and the finger grooves (231) are distributed in a circular array.

6. The wood flattening device for piano production according to claim 2, characterized in that: The front and back sides of the bottom of the fixed plate (201) are fixedly connected with positioning tubes (205), the bottom inside the positioning tube (205) is movably sleeved with a positioning rod (206), and the bottom of the positioning rod (206) is fixedly connected with the top of the lifting plate (204).

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