Automatic key strength calibration machine

The automatic piano key calibration force machine automates the calibration of piano key force, solving the problem of low efficiency in manual operation and improving calibration efficiency.

CN223638097UActive Publication Date: 2025-12-05DONGGUAN LONGJOIN ELECTRONICS
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Patent Information

Application Number
CN202520269861.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-19
Publication Date
2025-12-05
Estimated Expiration
2035-02-19

AI Technical Summary

Technical Problem

In existing technologies, the calibration of electronic keyboard keys requires manual operation, which results in a large workload and low efficiency, making it impossible to efficiently complete the calibration of light and heavy keys.

Method used

An automatic force calibration machine for piano keys was designed, including a worktable, a limit device, an XY axis running mechanism, a small counterweight assembly, and a large counterweight assembly. The system achieves precise placement of weights of varying weights through automation, replacing manual operation.

Benefits of technology

It improves the automation of piano key calibration, reduces the workload of operators, shortens calibration time, and increases efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of key strength calibration, in particular to an automatic key strength calibration machine, which comprises a workbench, a limiting device for limiting and placing an electronic organ to be subjected to strength calibration, an X-axis and Y-axis running mechanism with running tracks in the X-axis direction and the Y-axis direction, a small counterweight assembly and a large counterweight assembly, the small counterweight assembly and the large counterweight assembly are arranged on the output end of the XY-axis running mechanism side by side in the Y-axis direction, and each of the small counterweight assembly and the large counterweight assembly comprises a counterweight block slidably connected to the output end of the XY-axis running mechanism in the Z-axis direction and a counterweight power mechanism used for driving the counterweight block to slide; according to the utility model, a manual mode can be replaced to sequentially and automatically place the lighter weights and the heavier weights on each key for force calibration, so that a large amount of workload of operators can be reduced, the time required by key force calibration can be shortened, and the efficiency can be improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to keyboard calibration strength technical field especially relates to a keyboard automatic calibration strength machine. BACKGROUND

[0002] Electronic organ is a kind of electronic keyboard instrument, belongs to electronic synthesizer, adopts large-scale integrated circuit, and mostly is equipped with sound memory storage (wave table).It is used to store the real sound waveforms of various musical instruments and output during playing.Electronic organs commonly used have two major categories of programming keyboard (with automatic accompaniment) and synthesizer (without automatic accompaniment).

[0003] Keyboard is an important component of electronic organ, and the keyboard needs to be calibrated in strength during the production process of electronic organ.However, in the prior art, most of them are still manually calibrated in strength, that is, the weights are placed on each keyboard in turn by manual method, and the keyboard is calibrated in light strength and heavy strength, and two weights of different weights are placed on each keyboard in turn, and the lighter weight and the heavier weight are placed on each keyboard in turn by manual method for calibration in strength, which not only increases the workload of the operator, but also prolongs the time required for calibration in strength and reduces the efficiency, so an automatic keyboard calibration strength machine is needed. UTILITY MODEL CONTENTS

[0004] The utility model discloses a keyboard automatic calibration strength machine, which can replace manual calibration in strength, place lighter weights and heavier weights on each keyboard in turn automatically, reduce the workload of the operator, shorten the time required for calibration in strength and improve the efficiency.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the technical scheme of a keyboard automatic calibration strength machine, which comprises a workbench, a limiting device for limiting the placement of an electronic organ to be calibrated in strength, an XY-axis running mechanism with X-axis and Y-axis two-direction running tracks, a small-weight assembly and a large-weight assembly, the small-weight assembly and the large-weight assembly are arranged side by side along the Y-axis direction on the output end of the XY-axis running mechanism, the small-weight assembly and the large-weight assembly respectively comprise a weight block slidingly connected to the output end of the XY-axis running mechanism along the Z-axis direction and a weight power mechanism for driving the weight block to slide, the weight power mechanism is arranged on the output end of the XY-axis running mechanism, and the output end of the weight power mechanism is drivingly connected to the weight block.

[0006] Further improvement of the above-mentioned scheme is that the weight of the weight block in the small-weight assembly is smaller than the weight of the weight block in the large-weight assembly.

[0007] Further improvement of the above scheme is that the XY axis running mechanism comprises a rack arranged on the workbench, an X-axis sliding seat slidingly connected to the rack in the X-axis direction, an X-axis power mechanism for driving the X-axis sliding seat to slide, a Y-axis sliding seat slidingly connected to the X-axis sliding seat in the Y-axis direction, and a Y-axis power mechanism for driving the Y-axis sliding seat to slide; the X-axis power mechanism is arranged on the rack, and the output end of the X-axis power mechanism is drivingly connected to the X-axis sliding seat; the Y-axis power mechanism is arranged on the X-axis sliding seat, and the output end of the Y-axis power mechanism is drivingly connected to the Y-axis sliding seat.

[0008] Further improvement of the above scheme is that the limiting device comprises a limiting seat and two limiting blocks arranged on the two sides of the limiting seat respectively; the limiting block comprises a supporting placement part and a limiting protrusion arranged on the periphery of the supporting placement part.

[0009] Further improvement of the above scheme is that the limiting block is further formed with a taking-and-placing groove.

[0010] Further improvement of the above scheme is that the limiting device further comprises a plurality of limiting supporting blocks arranged on the limiting seat.

[0011] Further improvement of the above scheme is that the limiting supporting blocks are arranged side by side in the X-axis direction between the two limiting blocks.

[0012] Further improvement of the above scheme is that the limiting seat is slidingly connected to the workbench in the Y-axis direction; the limiting device further comprises a limiting sliding power mechanism for driving the limiting seat to slide; the limiting sliding power mechanism is arranged on the workbench, and the output end of the limiting sliding power mechanism is drivingly connected to the limiting seat.

[0013] Further improvement of the above scheme is that the supporting placement part is in an inclined surface structure.

[0014] Further improvement of the above scheme is that the included angle between the supporting placement part and the horizontal plane is 5-15°.

[0015] The utility model discloses beneficial effect lies in: the utility model provides a kind of piano key automatic calibration force machine, including workbench, the limiting device for limiting placement electronic organ to be carried out calibration force, with the two directions running track of X-axis and Y-axis XY axis running mechanism, small counterweight assembly, large counterweight assembly, small counterweight assembly, large counterweight assembly are side by side along Y-axis direction and are arranged on the output end of XY axis running mechanism, small counterweight assembly, large counterweight assembly respectively include counterweight block slidingly connected on the output end of XY axis running mechanism along Z-axis direction, for driving counterweight block to slide counterweight power mechanism, counterweight power mechanism is arranged on the output end of XY axis running mechanism, and the output end of counterweight power mechanism is drivingly connected to counterweight block.

[0016] The electronic piano to be calibrated is placed on the limiting device, the small counterweight assembly and the large counterweight assembly are driven by the XY axis running mechanism to move to the positions above each key in turn, the counterweight blocks in the small counterweight assembly are driven by the counterweight power mechanism in the small counterweight assembly to move downwards and press the keys to calibrate the light force, and the counterweight blocks in the large counterweight assembly are driven by the counterweight power mechanism in the large counterweight assembly to move downwards and press the keys to calibrate the heavy force; the whole automation degree is high, the lighter weight and the heavier weight can be placed on each key in turn to calibrate the force automatically through the cooperation of the limiting device, the XY axis running mechanism, the small counterweight assembly and the large counterweight assembly, the lighter weight and the heavier weight can be placed on each key in turn to calibrate the force automatically by replacing the manual mode, the workload of the operator can be reduced, and the time required for key calibration and the efficiency can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model.

[0018] Figure 2 It is Figure 1 It is an enlarged view of A in the figure.

[0019] Mark explanation: workbench 1, limiting device 2, limiting seat 21, limiting block 22, support placement part 221, limiting protrusion 222, taking and placing groove 223, limiting support block 23, limiting sliding power mechanism 24, XY axis running mechanism 3, rack 31, X axis sliding seat 32, X axis power mechanism 33, Y axis sliding seat 34, Y axis power mechanism 35, small counterweight assembly 4, counterweight block 41, counterweight power mechanism 42, large counterweight assembly 5. DETAILED DESCRIPTION

[0020] The utility model will be further described below in combination with the drawings, such as Figures 1-2As shown, the utility model of the whole degree of automation is higher, through the cooperation of limiting device 2, XY axis running mechanism 3, small counterweight assembly 4, big counterweight assembly 5 can realize automatically with lighter weight, heavier weight is placed in each key in turn respectively to carry out calibration force, can replace manual mode to lighter weight, heavier weight is placed in each key in turn respectively automatically to carry out calibration force, can reduce the workload of operating personnel, can shorten the time required for key calibration force, improve efficiency.

[0021] XY axis running mechanism 3 includes the rack 31 of setting on the workbench 1, the X axis slide base 32 of sliding connection on the rack 31 along X axis direction, the X axis power mechanism 33 for driving X axis slide base 32 sliding, the Y axis slide base 34 of sliding connection on X axis slide base 32 along Y axis direction, the Y axis power mechanism 35 for driving Y axis slide base 34 sliding, X axis power mechanism 33 sets up on the rack 31, and the output end of X axis power mechanism 33 is driven and is connected X axis slide base 32, and Y axis power mechanism 35 sets up on X axis slide base 32, and the output end of Y axis power mechanism 35 is driven and is connected Y axis slide base 34;Through X axis power mechanism 33 drive X axis slide base 32 sliding to drive small counterweight assembly 4, big counterweight assembly 5 and carry out X axis direction movement, through Y axis power mechanism 35 drive Y axis slide base 34 sliding to drive small counterweight assembly 4, big counterweight assembly 5 and carry out Y axis direction movement.

[0022] Limiting device 2 includes the limiting seat 21, two limiting blocks 22 that set up respectively on the both sides of limiting seat 21, and the limiting block 22 includes the support placement part 221, and the limiting protrusion 222 that sets up on the periphery of support placement part 221;Through the electronic organ of being placed in calibration force in waiting with the support placement part 221 of limiting block 22, the four around of electronic organ of being placed in calibration force in waiting is limited through limiting protrusion 222, to guarantee that electronic organ does not occur positional deviation in calibration force process.

[0023] The limiting block 22 is further formed with a taking and placing groove 223, through which the electronic piano is more convenient to be placed on the limiting block 22 and more convenient to be taken out from the limiting block 22.

[0024] The limiting device 2 further comprises a plurality of limiting support blocks 23 arranged on the limiting seat 21, through which the electronic piano can be upwardly supported, so that the electronic piano can be more stably placed on the limiting device 2.

[0025] Each of the limiting support blocks 23 is arranged between two limiting blocks 22 in the X-axis direction, which can better support the electronic piano upwardly.

[0026] The limiting seat 21 is slidingly connected to the workbench 1 in the Y-axis direction, and the limiting device 2 further comprises a limiting sliding power mechanism 24 for driving the limiting seat 21 to slide, the limiting sliding power mechanism 24 is arranged on the workbench 1, and an output end of the limiting sliding power mechanism 24 is drivingly connected to the limiting seat 21; through the limiting sliding power mechanism 24, the limiting seat 21 is driven to slide forwardly along the Y-axis direction to the front edge of the workbench 1, the electronic piano to be calibrated is placed on the limiting block 22 of the limiting seat 21, the limiting seat 21 is driven to slide backwardly along the Y-axis direction by the limiting sliding power mechanism 24, and then the keys of the electronic piano are calibrated through the cooperation of the XY-axis running mechanism 3, the small counterweight assembly 4 and the large counterweight assembly 5; after the calibration of the keys of the electronic piano is completed, the limiting seat 21 is driven to slide forwardly along the Y-axis direction to the front edge of the workbench 1 by the limiting sliding power mechanism 24, and the electronic piano after calibration is taken out from the limiting block 22 of the limiting seat 21, through the arrangement of the limiting sliding power mechanism 24, the electronic piano is more convenient to be placed and taken out.

[0027] The support placing part 221 is an inclined surface structure, and the included angle between the support placing part 221 and the horizontal plane is 5-15°; through the arrangement of the inclined surface structure of the support placing part 221, the electronic piano can be better placed and calibrated.

[0028] Working principle:

[0029] The electronic piano to be calibrated is placed on the limiting device 2, the small counterweight assembly 4 and the large counterweight assembly 5 are driven by the XY shaft running mechanism 3 to move to the positions above each key in turn, the counterweight block 41 in the small counterweight assembly 4 is driven by the counterweight power mechanism 42 to move downwards and press the key to calibrate the light force, and the counterweight block 41 in the large counterweight assembly 5 is driven by the counterweight power mechanism 42 to move downwards and press the key to calibrate the heavy force; the whole automation degree is high, the lighter weight and the heavier weight can be placed on each key in turn to calibrate the force automatically through the cooperation of the limiting device 2, the XY shaft running mechanism 3, the small counterweight assembly 4 and the large counterweight assembly 5, the lighter weight and the heavier weight can be placed on each key in turn to calibrate the force automatically by replacing the manual mode, the workload of the operator can be reduced, the time required for the key calibration can be shortened, and the efficiency can be improved.

[0030] Of course, the above only is the preferred embodiment of the present application, therefore, equivalent changes or modifications made according to the structure, features and principles described in the patent application scope of the present application are included in the patent application scope of the present application.

Claims

1. A piano key automatic calibration force machine, characterized in that: The electronic piano force calibration device comprises a workbench (1), a limiting device (2) for limiting the placement of an electronic piano to be calibrated, an XY-axis running mechanism (3) with X-axis and Y-axis running tracks, a small counterweight assembly (4), and a large counterweight assembly (5).

2. The automatic force calibration machine for piano keys according to claim 1, characterized in that: The weight of the counterweight block (41) in the small counterweight assembly (4) is smaller than that of the counterweight block (41) in the large counterweight assembly (5).

3. The automatic force calibration machine for piano keys according to claim 1, characterized in that: The XY-axis running mechanism (3) comprises a rack (31) arranged on the workbench (1), an X-axis sliding seat (32) slidingly connected to the rack (31) in the X-axis direction, an X-axis power mechanism (33) for driving the X-axis sliding seat (32) to slide, a Y-axis sliding seat (34) slidingly connected to the X-axis sliding seat (32) in the Y-axis direction, and a Y-axis power mechanism (35) for driving the Y-axis sliding seat (34) to slide.

4. The automatic key force calibration machine of claim 1, wherein: The limiting device (2) comprises a limiting seat (21) and two limiting blocks (22) arranged on both sides of the limiting seat (21).

5. The automatic key force calibration machine according to claim 4, wherein: The limiting block (22) is further formed with a taking-and-placing groove (223).

6. The automatic key force calibration machine of claim 4, wherein: The limiting device (2) further comprises a plurality of limiting support blocks (23) arranged on the limiting seat (21).

7. The automatic key force calibration machine according to claim 6, wherein: Each of the limiting support blocks (23) is arranged between the two limiting blocks (22) in the X-axis direction.

8. The automatic key force calibration machine of claim 4, wherein: The limiting seat (21) is slidingly connected to the workbench (1) in the Y-axis direction, and the limiting device (2) further comprises a limiting sliding power mechanism (24) for driving the limiting seat (21) to slide.

9. The automatic key force calibration machine of claim 4, wherein: The supporting placement part (221) is an inclined surface structure.

10. The automatic key force calibration machine according to claim 9, wherein: The angle between the supporting placement part (221) and the horizontal plane is 5-15°.