阅读说明：本技术 一种用于口琴簧板的自动化试音装置 (Automatic sound testing device for harmonica reed board ) 是由 孔真清 许路路 孔湘成 于 2021-07-19 设计创作，主要内容包括：本发明公开了一种用于口琴簧板的自动化试音装置,涉及口琴生产技术领域。本发明包括试音箱、试音盖、移料组件、上料传送带、第一下料传送带、第二下料传送带和PLC控制器,上料传送带、试音箱、第一下料传送带和第二下料传送带并排设置在移料组件下部,试音箱内底部固定有试音座,试音座上表面开设有簧板槽,试音座内开设有若干试音孔,试音座一侧开设有若干进气孔。本发明通过设计新型的试音装置,从而模拟口琴的发音,能够依次、有序和自动的对簧板的每一个簧片进行试音,从而提高口琴发音检测的准确性,从而让提高口琴的发音效果,同时自动化的检测能够提高发音检测效率,减少人力物力的使用。(The invention discloses an automatic sound testing device for a reed board of a harmonica, and relates to the technical field of harmonica production. The test sound box comprises a test sound box, a test sound cover, a material moving assembly, a feeding conveyor belt, a first blanking conveyor belt, a second blanking conveyor belt and a PLC (programmable logic controller), wherein the feeding conveyor belt, the test sound box, the first blanking conveyor belt and the second blanking conveyor belt are arranged at the lower part of the material moving assembly side by side, a test sound seat is fixed at the bottom in the test sound box, a reed plate groove is formed in the upper surface of the test sound seat, a plurality of test sound holes are formed in the test sound seat, and a plurality of air inlet holes are formed in one side of the test sound seat. According to the invention, by designing the novel sound testing device, the pronunciation of the harmonica is simulated, and each reed of the reed board can be tested sequentially, orderly and automatically, so that the accuracy of the detection of the pronunciation of the harmonica is improved, the pronunciation effect of the harmonica is improved, meanwhile, the automatic detection can improve the pronunciation detection efficiency, and the use of manpower and material resources is reduced.)

1. The utility model provides an automatic sound device that tries on for harmonica reed board which characterized in that: the device comprises a test sound box (1), a test sound cover (2), a material moving assembly (3), a feeding conveyor belt (4), a first discharging conveyor belt (5), a second discharging conveyor belt (6) and a PLC (programmable logic controller);

the feeding conveyor belt (4), the test sound box (1), the first blanking conveyor belt (5) and the second blanking conveyor belt (6) are arranged at the lower part of the material moving assembly (3) side by side;

a sound testing seat (101) is fixed at the bottom in the sound testing box (1), a reed plate groove (102) is formed in the upper surface of the sound testing seat (101), a plurality of sound testing holes (103) are formed in the sound testing seat (101), a plurality of air inlet holes (104) are formed in one side of the sound testing seat (101), a rack (105) is fixed at the lower part of one side of the sound testing seat (101), and an audio acquisition module (106) is fixed in the sound testing box (1);

the upper part and the middle part of one side of the sound testing seat (101) are respectively provided with a sliding edge (107), a sliding plate (108) is connected between the two sliding edges (107) in a sliding manner, an elbow (109) is fixed on the sliding plate (108), the lower part of the sliding plate (108) is fixed with a motor (116) through a fixed seat (7), the output end of the motor (116) is fixed with a gear (110), and the gear (110) is meshed with a rack (105);

an air supply pump (111) is fixed on the outer side of the sound box (1), and an exhaust port of the air supply pump (111) is communicated with the end part of the elbow (109) through a hose (112);

electromagnets (201) are fixed on two sides of the inner surface of the sound testing cover (2), an air cylinder (202) is fixed in the middle of the outer surface of the sound testing cover (2), and an exhaust groove (203) is formed in the sound testing cover (2);

the material moving assembly (3) comprises a group of side frame bodies (301), a screw rod mechanism (8) is fixed between the group of side frame bodies (301), an installation plate (801) is connected to the screw rod mechanism (8) in a transmission manner, and the air cylinder (202) is fixed on the installation plate (801);

the PLC is connected with an upper computer, and the screw rod mechanism (8), the electromagnet (201), the audio acquisition module (106), the cylinder (202) and the feeding conveyor belt (4) are all electrically connected with the PLC.

2. The automatic sound testing device for the harmonica reed board is characterized in that the screw rod mechanism (8) comprises a motor (802) and a screw rod (803), the screw rod (803) is rotatably arranged between a group of side frame bodies (301), a threaded sleeve (804) is fixed on one side of the mounting plate (801), the threaded sleeve (804) is in threaded connection with the screw rod (803), the motor (802) is fixed on the outer portion of one side frame body (301), the output end of the motor (802) is fixed with one end of the screw rod (803), and the motor (802) is electrically connected with a PLC (programmable logic controller).

3. The automatic tone testing device for the harmonica reed board as claimed in claim 2, wherein a guide rod (302) is fixed between a group of side frame bodies (301), a guide sleeve (805) is fixed on the other side of the mounting plate (801), and the guide sleeve (805) is located outside the guide rod (302) and is in sliding connection with the guide rod (302).

4. The automatic sound testing device for the reed plate of the harmonica as claimed in claim 1, wherein a plurality of reed plate positioning edges (401) are fixed on the body of the feeding conveyor belt (4), a convex plate (402) is arranged on the outer side of each reed plate positioning edge (401), a proximity switch is fixed on the inner side of each side frame body (301), the proximity switch and the convex plate (402) are arranged in parallel, and the proximity switch is electrically connected with a PLC (programmable logic controller).

5. The automatic tone testing device for the harmonica reed switch is characterized in that the fixed seat (7) comprises a transverse plate (701), the transverse plate (701) is fixed to the bottom of the sliding plate (108), a vertical plate (702) is fixed to the bottom of the transverse plate (701), the motor (116) is fixed to the outer side of the vertical plate (702), and the gear (110) is located on the other side of the vertical plate (702).

6. The automatic sound testing device for the harmonica reed switch as claimed in claim 1, wherein a cover plate (113) is fixed on the rear side of the sound testing box (1), and a wire channel is formed between the cover plate (113) and the sound testing box (1).

7. The automatic sound testing device for the harmonica reed board as claimed in claim 6, wherein a fixing edge (114) is fixed on one side of the cover plate (113) close to the sound testing seat (101), a plurality of infrared emitters (115) are fixed on the outer side of the fixing edge (114), and the plurality of infrared emitters (115) are respectively opposite to the plurality of sound testing holes (103).

8. The automatic sound testing device for the harmonica reed board as claimed in claim 7, wherein an infrared receiver (703) is fixed on the outer side of the upper portion of the transverse board (701) through a vertical edge, the infrared receiver (703) is arranged in parallel with a plurality of infrared emitters (115), and the infrared receiver (703) is electrically connected with a PLC (programmable logic controller).

9. An automated sound testing device for harmonica reed boards according to claim 1, wherein the hose (112) is a bellows hose structure and the elbow (109) is a hard 90 degree elbow.

10. The automatic sound testing device for the harmonica reed board as claimed in claim 1, wherein interlayers are arranged in the sound testing box (1) and the sound testing cover (2), and soundproof cotton is arranged in the interlayers.

Technical Field

The invention belongs to the technical field of harmonica production, and particularly relates to an automatic sound testing device for a harmonica reed board.

Background

The pronunciation of mouth organ is produced by the vibration of reed on the spring board, in order to guarantee the pronunciation accuracy of mouth organ, need carry out the detection of sound testing, and the reed quantity on the spring board is more relatively simultaneously, and does not have accurate efficient sound testing equipment now, if adopt artifical sound testing, then can appear sound testing effect not good with the problem that sound testing efficiency is not enough.

Disclosure of Invention

The invention aims to provide an automatic sound testing device for a reed plate of a harmonica, which can simulate the sound of the harmonica by designing a novel sound testing device, can test each reed of the reed plate in sequence, in order and automatically, and improves the accuracy of the sound detection of the harmonica, so that the sound effect of the harmonica is improved, and meanwhile, the automatic detection can improve the sound detection efficiency and reduce the use of manpower and material resources.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to an automatic sound testing device for a harmonica reed board, which comprises a sound testing box, a sound testing cover, a material moving assembly, a feeding conveyor belt, a first discharging conveyor belt, a second discharging conveyor belt and a PLC (programmable logic controller);

the feeding conveyor belt, the test sound box, the first blanking conveyor belt and the second blanking conveyor belt are arranged at the lower part of the material moving assembly side by side;

a sound testing seat is fixed at the bottom in the sound testing box, a reed plate groove is formed in the upper surface of the sound testing seat, a plurality of sound testing holes are formed in the sound testing seat, a plurality of air inlet holes are formed in one side of the sound testing seat, a rack is fixed at the lower part of one side of the sound testing seat, and an audio acquisition module is fixed in the sound testing box;

sliding edges are arranged on the upper portion and the middle portion of one side of the sound testing seat, a sliding plate is connected between the two sliding edges in a sliding mode, a bent pipe is fixed on the sliding plate, a motor is fixed on the lower portion of the sliding plate through a fixing seat, a gear is fixed on the output end of the motor, and the gear is meshed with a rack;

an air supply pump is fixed on the outer side of the sound box, and an air outlet of the air supply pump is communicated with the end part of the bent pipe through a hose;

electromagnets are fixed on two sides of the inner surface of the sound testing cover, a cylinder is fixed in the middle of the outer surface of the sound testing cover, and an exhaust groove is formed in the sound testing cover;

the material moving assembly comprises a group of side frame bodies, a screw rod mechanism is fixed between the group of side frame bodies, the screw rod mechanism is in transmission connection with an installation plate, and the air cylinder is fixed on the installation plate;

the PLC is connected with an upper computer, and the screw rod mechanism, the electromagnet, the audio acquisition module, the cylinder and the feeding conveyor belt are all electrically connected with the PLC.

Further, screw rod mechanism includes motor and screw rod, the screw rod rotates and sets up between a set of side support body, mounting panel one side is fixed with the swivel nut, swivel nut and screw rod threaded connection, the motor is fixed outside one side support body, the motor output is fixed with screw rod one end, motor and PLC controller electric connection.

Furthermore, a set of be fixed with the guide bar between the side support body, the mounting panel opposite side is fixed with the uide bushing, the uide bushing is located the guide bar outside and with guide bar sliding connection.

Furthermore, a plurality of spring plate positioning edges are fixed on the belt body of the feeding conveying belt, convex plates are arranged on the outer sides of the spring plate positioning edges, a proximity switch is fixed on the inner side of the side frame body, the proximity switch is arranged in parallel with the convex plates, and the proximity switch is electrically connected with the PLC.

Furthermore, the fixing seat comprises a transverse plate, the transverse plate is fixed to the bottom of the sliding plate, a vertical plate is fixed to the bottom of the transverse plate, the motor is fixed to the outer side of the vertical plate, and the gear is located on the other side of the vertical plate.

Furthermore, a cover plate is fixed on the rear side of the test sound box, and a wire channel is formed between the cover plate and the test sound box.

Furthermore, a fixing edge is fixed on one side, close to the sound testing seat, of the cover plate, a plurality of infrared emitters are fixed on the outer side of the fixing edge, and the infrared emitters are respectively opposite to the sound testing holes.

Further, the outer side of the upper portion of the transverse plate is fixedly provided with an infrared receiver through a vertical edge, the infrared receiver is arranged in parallel with the plurality of infrared transmitters, and the infrared receiver is electrically connected with the PLC.

Further, the hose is of a corrugated telescopic hose structure, and the bent pipe is a hard 90-degree bent pipe.

Furthermore, interlayers are arranged in the test sound box and the test sound cover, and soundproof cotton is arranged in the interlayers.

The invention has the following beneficial effects:

according to the invention, by designing the novel sound testing device, the pronunciation of the harmonica is simulated, and each reed of the reed board can be tested sequentially, orderly and automatically, so that the accuracy of the detection of the pronunciation of the harmonica is improved, the pronunciation effect of the harmonica is improved, meanwhile, the automatic detection can improve the pronunciation detection efficiency, and the use of manpower and material resources is reduced.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an automatic tone testing device for a harmonica reed board according to the present invention;

FIG. 2 is a schematic structural diagram of a test sound box;

FIG. 3 is a schematic structural diagram of a test tone base;

FIG. 4 is a schematic view of the construction of the slip plate, the fixed base and the hose;

FIG. 5 is a schematic view of the sound box with the sound base, slide plate and flexible tube removed;

FIG. 6 is a schematic structural view of the sound testing cover and the material moving assembly;

in the drawings, the components represented by the respective reference numerals are listed below:

1-test sound box, 2-test sound cover, 3-material moving component, 4-material feeding conveyor belt, 5-first material discharging conveyor belt, 6-second material discharging conveyor belt, 7-fixing seat, 8-screw rod mechanism, 101-test sound seat, 102-reed plate groove, 103-test sound hole, 104-air inlet hole, 105-rack, 106-audio acquisition module, 107-sliding edge, 108-sliding plate, 109-bent pipe, 110-gear, 111-air supply pump, 112-hose, 113-cover plate, 114-fixing edge, 115-infrared emitter, 116-motor, 201-electromagnet, 202-cylinder, 203-exhaust groove, 301-side frame body, 302-guide rod, 401-reed plate positioning edge, 402-convex plate, 701-horizontal plate, 702-vertical plate, 703-infrared receiver, 801-mounting plate, 802-motor, 803-screw, 804-thread insert and 805-guide sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the invention relates to an automatic sound testing device for a harmonica reed board, which comprises a sound testing box 1, a sound testing cover 2, a material moving assembly 3, a feeding conveyor belt 4, a first blanking conveyor belt 5, a second blanking conveyor belt 6 and a PLC controller;

the feeding conveyor belt 4, the test sound box 1, the first discharging conveyor belt 5 and the second discharging conveyor belt 6 are arranged at the lower part of the material moving component 3 side by side;

a sound testing seat 101 is fixed at the bottom in the sound testing box 1, a reed plate groove 102 is formed in the upper surface of the sound testing seat 101, a plurality of sound testing holes 103 are formed in the sound testing seat 101, a plurality of air inlet holes 104 are formed in one side of the sound testing seat 101, a rack 105 is fixed at the lower part of one side of the sound testing seat 101, and an audio acquisition module 106 is fixed in the sound testing box 1;

the upper part and the middle part of one side of the tone testing seat 101 are both provided with sliding edges 107, a sliding plate 108 is connected between the two sliding edges 107 in a sliding manner, an elbow pipe 109 is fixed on the sliding plate 108, the lower part of the sliding plate 108 is fixed with a motor 116 through a fixed seat 7, the output end of the motor 116 is fixed with a gear 110, and the gear 110 is meshed with a rack 105;

an air supply pump 111 is fixed on the outer side of the sound box 1, and an exhaust port of the air supply pump 111 is communicated with the end part of the elbow pipe 109 through a hose 112;

electromagnets 201 are fixed on two sides of the inner surface of the sound testing cover 2, a cylinder 202 is fixed in the middle of the outer surface of the sound testing cover 2, and an exhaust groove 203 is formed in the sound testing cover 2;

the material moving assembly 3 comprises a group of side frame bodies 301, a screw rod mechanism 8 is fixed between the group of side frame bodies 301, the screw rod mechanism 8 is in transmission connection with an installation plate 801, and the air cylinder 202 is fixed on the installation plate 801;

the PLC is connected with an upper computer, and the screw rod mechanism 8, the electromagnet 201, the audio acquisition module 106, the cylinder 202 and the feeding conveyor belt 4 are all electrically connected with the PLC.

As shown in fig. 1 and 6, the screw mechanism 8 includes a motor 802 and a screw 803, the screw 803 is rotatably disposed between a set of side frames 301, a threaded sleeve 804 is fixed on one side of the mounting plate 801, the threaded sleeve 804 is in threaded connection with the screw 803, the motor 802 is fixed outside the side frame 301, an output end of the motor 802 is fixed to one end of the screw 803, and the motor 802 is electrically connected to the PLC controller.

As shown in fig. 1 and 6, a guide bar 302 is fixed between a set of side frame bodies 301, a guide sleeve 805 is fixed on the other side of the mounting plate 801, and the guide sleeve 805 is located outside the guide bar 302 and is slidably connected with the guide bar 302.

As shown in fig. 1, a plurality of spring plate positioning edges 401 are fixed on the belt body of the feeding conveyor belt 4, a convex plate 402 is arranged on the outer side of each spring plate positioning edge 401, a proximity switch is fixed on the inner side of the frame body 301 on one side, the proximity switch is arranged in parallel with the convex plate 402, and the proximity switch is electrically connected with the PLC controller.

As shown in fig. 4, the fixing base 7 includes a horizontal plate 701, the horizontal plate 701 is fixed to the bottom of the sliding plate 108, a vertical plate 702 is fixed to the bottom of the horizontal plate 701, the motor 116 is fixed to the outer side of the vertical plate 702, and the gear 110 is located at the other side of the vertical plate 702.

As shown in fig. 5, a cover plate 113 is fixed to the rear side of the sound box 1, and a wire passage is formed between the cover plate 113 and the sound box 1.

As shown in fig. 5, a fixing edge 114 is fixed on one side of the cover plate 113 close to the sound testing seat 101, a plurality of infrared emitters 115 are fixed on the outer side of the fixing edge 114, and the plurality of infrared emitters 115 are respectively opposite to the plurality of sound testing holes 103.

As shown in fig. 4-5, an infrared receiver 703 is fixed on the outer side of the upper portion of the horizontal plate 701 through a vertical edge, the infrared receiver 703 is arranged in parallel with the plurality of infrared emitters 115, and the infrared receiver 703 is electrically connected with the PLC controller.

The hose 112 is a bellows hose structure, and the elbow 109 is a hard 90-degree elbow.

Wherein, all be equipped with the intermediate layer in sound box 1 and the sound lid 2, be equipped with soundproof cotton in the intermediate layer, possess syllable-dividing effect.

The working principle of the invention is as follows:

the SS01 sequentially places the spring plates with the installed reeds in the spring plate positioning edges 401 on the feeding conveyor belt 4, and positions the spring plates through the spring plate positioning edges 401 on the feeding conveyor belt 4;

the SS02 controls the feeding conveyor belt 4 to run through the PLC, when the proximity switch irradiates the convex plate 402, a signal is sent to the PLC, the PLC controls the feeding conveyor belt 4 to stop running at the moment, and the spring plate is located at the position of one side of the sound box 1;

the SS03 controls the motor 802 to operate through the PLC, the motor 802 controls the screw 803 to rotate, the sliding plate 108 can be driven to move along the guide rod 302, the sliding plate 108 and the sound testing cover 2 are moved to the position right above the feeding conveyor belt 4 through programming, and the motor 802 is controlled to stop operating;

the SS04 controls the operation of the cylinder 202 through the PLC controller to drive the test sound cover 2 and the electromagnet 201 to descend so that the electromagnet 201 adsorbs the spring plate, and the electromagnet 201 adsorbs the spring plate and then lifts through the cylinder 202;

the SS05 controls the motor 802 to operate through the PLC controller, so that the spring plate is driven to be transferred to the position right above the sound test box 1, at the moment, the air cylinder 202 pushes the spring plate to be transferred into the spring plate groove 102, and the operation of the air cylinder 202 and the motor 802 is stopped;

SS06 can supply air to the air inlet hole 104 and the test sound hole 103 through the air supply pump 111, the reed on the reed board vibrates and sounds after air supply, the air in the test sound box 1 is discharged through the exhaust groove 203, and meanwhile, the audio acquisition module 106 acquires sounds and transmits the sounds to the upper computer for judgment through the PLC;

after the sound test of the air inlet hole 104 is finished, the SS07 controls the gear 110 to rotate through the motor 116, and the gear is matched with the rack 105 to drive the sliding plate 108 and the bent pipe 109 to move to the outer side of the next air inlet hole 104 to be detected, so that the connection between the bent pipe 109 and the next air inlet hole 104 is realized, and the SS07 is used for the sound test of the next air inlet hole 104;

after the SS08 performs sound test on each reed of the reed board, the PLC controls the cylinder 202 to contract to separate the reed board from the sound test box 1, the reed board is transferred to the first blanking conveyor belt 5 or the second blanking conveyor belt 6 according to the sound generation accuracy judged by the upper computer, and the reed board on the second blanking conveyor belt 6 can be transferred to a tuning area for tuning;

the SS09 can sequentially detect the spring plates to be detected on the feeding conveyor belt 4 according to the sequence from SS02 to SS 08.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.