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CN-120593589-B - Harmonica reed thickness detection device

CN120593589BCN 120593589 BCN120593589 BCN 120593589BCN-120593589-B

Abstract

The invention relates to the technical field of harmonica reed thickness detection, and discloses a harmonica reed thickness detection device, which comprises a base, wherein a hollow test bench is fixed on the base, an annular feeding seat is arranged on the outer side of the hollow test bench, a plurality of circumferentially equidistant placement grooves are formed in the annular feeding seat, a first push plate is arranged in the placement grooves, guide grooves are formed in the placement grooves, a second push plate is arranged in the guide grooves, an L-shaped ruler frame is fixed on one side of the base, a micro-testing screw is arranged on the L-shaped ruler frame, the harmonica reeds on the first push plate can be horizontally pushed onto a sealing air bag on the anvil through the first push plate arranged in the placement grooves, the purpose of synchronously feeding the harmonica reeds for a plurality of tests can be achieved, the convenience of feeding the harmonica reeds is greatly improved, time and labor are saved, and convenience and quickness are realized.

Inventors

  • Kong Yanlin

Assignees

  • 江苏惠文乐器有限公司

Dates

Publication Date
20260508
Application Date
20250623

Claims (5)

  1. 1. The harmonica reed thickness detection device comprises a base (1) and is characterized in that a hollow test bench (2) is fixed on the base (1), an annular feeding seat (3) is arranged on the outer side of the hollow test bench (2), a plurality of circumferentially equidistant placement grooves (4) are formed in the annular feeding seat (3), a first push plate (5) is arranged in the placement groove (4), a guide groove (6) is formed in the placement groove (4), and a second push plate (7) is arranged in the guide groove (6); An L-shaped ruler frame (9) is fixed on one side of the base (1), a micro-measuring screw (10) is installed on the L-shaped ruler frame (9), an anvil (32) is fixed on the hollow test bench (2), a plurality of circular grooves (12) with circumferences distributed at equal intervals are formed in the anvil (32), a sealing air bag (13) is installed in the circular grooves (12), and a plurality of scale display columns (14) are arranged above the hollow test bench (2); a plurality of first contact supporting rods (15) are arranged in the annular feeding seat (3), the first contact supporting rods (15) are elastically connected with the placing grooves (4) through first springs (16), and the first pushing plates (5) are fixedly connected with the upper ends of the first contact supporting rods (15); A first abutting ring (11) is arranged in the annular feeding seat (3), a guide hole (17) is formed in the first abutting ring (11), a first guide column (18) is fixed on the annular feeding seat (3), the first guide column (18) is slidably connected in the guide hole (17), and the lower end of the first abutting rod (15) abuts against the first abutting ring (11); The device is characterized in that a mounting block (101) is fixed on the base (1), a threaded rod (19) is connected to the mounting block (101) in a threaded manner, a wedge-shaped abutting strip (8) is connected to the end portion of the threaded rod (19) in a rotating manner, the wedge-shaped abutting strip (8) is in sliding connection with the annular feeding seat (3), and one end of the wedge-shaped abutting strip (8) abuts against the first abutting ring (11); A sliding frame (20) is fixed on the circumferential surface of the annular feeding seat (3), a second abutting ring (21) is connected to the sliding frame (20) in a sliding manner, a second spring (22) is connected between the second abutting ring (21) and the sliding frame (20), and a first abutting wedge block (23) is fixed on the wedge-shaped abutting strip (8); the second pushing plate (7) is fixedly provided with a second abutting rod (24), the second abutting rod (24) is elastically connected with the guide groove (6) through a third spring (25), one end of the second abutting rod (24) is fixedly provided with a second abutting wedge block (26), and the second abutting wedge block (26) is abutted against the first abutting wedge block (23).
  2. 2. The harmonica reed thickness detection device according to claim 1, wherein a piston cylinder (27) is fixed on the anvil (32), an amplifying assembly is arranged between the piston cylinder (27) and the scale display column (14), a piston sheet (28) is connected to the piston cylinder (27) in a sliding manner, a piston rod (29) is fixed on the piston sheet (28), the piston rod (29) is connected to the piston cylinder (27) in a sliding manner, a fourth spring (30) is connected between the piston sheet (28) and the piston cylinder (27), and the piston cylinder (27) is communicated with the sealing air bag (13) through a pipeline.
  3. 3. The harmonica reed thickness detection device as set forth in claim 2, wherein the amplifying assembly comprises a water outlet (271), the water outlet (271) is fixed on one side of the piston cylinder (27), a water pipe (272) is connected to the water outlet (271), the scale display column (14) is fixed to the anvil (32), a cavity (273) is formed in the scale display column (14), one end of the water pipe (272) is connected to the scale display column (14), and the water pipe (272) is communicated with the cavity (273).
  4. 4. The harmonica reed thickness detection device as claimed in claim 2, wherein the amplifying assembly comprises a third abutting wedge block (274), the third abutting wedge block (274) is fixed on one end of the piston rod (29), a mounting bracket (275) is fixed on the anvil (32), a rocker (276) is rotatably connected to the mounting bracket (275), the scale display column (14) is slidably connected with the anvil (32) through a fifth spring (277), the lower end of the scale display column (14) abuts against one end of the rocker (276), and the third abutting wedge block (274) abuts against the other end of the rocker (276).
  5. 5. The harmonica reed thickness detection device according to claim 1, wherein a test disc (31) is fixed at a test end of the micro-test screw (10), the test disc (31) is opposite to the anvil (32), and a locking wrench (33) for locking the micro-test screw (10) is arranged on the L-shaped ruler frame (9).

Description

Harmonica reed thickness detection device Technical Field The invention relates to the technical field of harmonica reed thickness detection, in particular to a harmonica reed thickness detection device. Background The thickness detection of the harmonica reed has a key meaning on the performance and quality of the musical instrument, and is mainly characterized in that the thickness of the reed is a core factor influencing the vibration frequency, under the same length, the thicker the reed ‌ is, the slower the vibration is, the lower the pitch is ‌, otherwise, the higher the pitch is, the detection thickness can ensure that the reed in each tone area accords with the designed pitch, the tone standard deviation is avoided, ‌ compensates for the process error ‌, the reed processing can have uneven thickness as the error of a low-end product is larger, and the ultra-poor reed can be screened out through detection, so that the delivery tone standard consistency is ensured. In the prior art, the thickness of the harmonica reed is mainly detected through a micrometer, the harmonica reed is placed on the anvil during detection, the harmonica reed is abutted against the anvil through rotating the micro-measuring screw rod, the micro-measuring screw rod is locked after the 'click' ‌ sound is heard, then the micro-measuring screw rod is read through a locking spanner, the detected thickness of the harmonica reed accords with the standard product in a certain tolerance numerical range, at present, the harmonica reed is required to be abutted against the anvil to be detected singly one by one during detection, the repeated detection operation is continuous, time and labor are wasted, the detection efficiency of the thickness of the harmonica reed is low, the speed is low, and the detection of the harmonica reed is unfavorable for distinguishing standard products simultaneously. Disclosure of Invention The invention provides a harmonica reed thickness detection device which is provided with a first push plate arranged in a placing groove and a second push plate arranged in a guide groove to be matched, so that the harmonica reeds on the first push plate can be horizontally pushed to a sealing air bag on an anvil, the aim of synchronously feeding a plurality of tested harmonica reeds can be fulfilled, the convenience of feeding a plurality of harmonica reeds is greatly improved, time and labor are saved, convenience and rapidness are realized, the problem that the harmonica reeds in the background art are required to be singly placed on the anvil for abutting detection during detection, repeated detection operation is continuous, time and labor are wasted, the detection efficiency of the harmonica reed thickness is low, the speed is low, and the problem that a plurality of harmonica reeds are not beneficial to simultaneously detecting and distinguishing qualified products is solved. The invention provides a harmonica reed thickness detection device which comprises a base, wherein a hollow test bench is fixed on the base, an annular feeding seat is arranged on the outer side of the hollow test bench, a plurality of circumferentially equidistant placement grooves are formed in the annular feeding seat, a first push plate is arranged in each placement groove, a guide groove is formed in each placement groove, and a second push plate is arranged in each guide groove; An L-shaped ruler frame is fixed on one side of the base, a micro-measuring screw is mounted on the L-shaped ruler frame, a measuring anvil is fixed on the hollow test bench, a plurality of circular grooves distributed at equal intervals on the circumference are formed in the measuring anvil, sealing air bags are mounted in the circular grooves, and a plurality of scale display columns are arranged above the hollow test bench. As an alternative scheme of the harmonica reed thickness detection device, a plurality of first contact supporting rods are arranged in the annular feeding seat, the first contact supporting rods are elastically connected with the placing groove through first springs, and the first pushing plates are fixedly connected with the upper ends of the first contact supporting rods. As an alternative scheme of the harmonica reed thickness detection device, a first abutting ring is arranged in the annular feeding seat, a guide hole is formed in the first abutting ring, a first guide column is fixed on the annular feeding seat and is connected in the guide hole in a sliding mode, and the lower end of the first abutting rod abuts against the first abutting ring. As an alternative scheme of the harmonica reed thickness detection device, a mounting block is fixed on the base, a threaded rod is connected to the mounting block in a threaded mode, a wedge-shaped abutting strip is connected to the end portion of the threaded rod in a rotating mode, the wedge-shaped abutting strip is connected with the annular feeding seat in a sliding mode, and one end o