Acoustic detection tool

Abstract

The utility model relates to the technical field of acoustic detection, in particular to an acoustic detection tool which comprises a support, a linear air cylinder and a sealing assembly, the linear air cylinder is arranged on the support, an extension arm is arranged at the output end of the linear air cylinder, and the sealing assembly comprises a tool jig, sealing foam and flexible double faced adhesive tape. The tool jig is arranged at the end, away from the linear air cylinder, of the extension arm, a crescent groove is formed in the surface, away from the extension arm, of the tool jig, the sealing foam is of a crescent structure, the sealing foam is arranged in the crescent groove, and a flexible double-faced adhesive tape adheres to the position between the crescent groove and the sealing foam. The tool can well seal the sound hole of the acoustic product, the sealing performance is good, and the operation is simple, convenient and rapid.

Description

Technical Field

[0001] The utility model relates to the technical field of acoustic detection, and particularly relates to an acoustic detection tooling. Background Art

[0002] During the research and development or production of existing acoustic products, various detections need to be carried out on the acoustic products to verify whether their various acoustic performances meet the product delivery standards. In order to ensure the accuracy of the acoustic performance test of the products, the sound holes need to be sealed during the acoustic detection process. However, the existing acoustic detection tooling has poor sealing performance for the sound holes, and the sound hole sealing operation is not simple and fast enough. Summary of the Utility Model

[0003] In order to overcome the disadvantages and deficiencies existing in the prior art, the purpose of the utility model is to provide an acoustic detection tooling, which can well seal the sound holes of the acoustic products, has good sealing performance, and is simple and fast to operate.

[0004] The purpose of the utility model is realized by the following technical solutions:

[0005] An acoustic detection tooling includes:

[0006] A bracket;

[0007] A linear cylinder, which is arranged on the bracket, and an extension arm is arranged at the output end of the linear cylinder;

[0008] A sealing component, including a tooling fixture, a sealing foam and a flexible double-sided adhesive. The tooling fixture is arranged at one end of the extension arm far away from the linear cylinder. A crescent groove is opened on the surface of the tooling fixture facing away from the extension arm. The sealing foam is arranged in a crescent shape, and the sealing foam is arranged in the crescent groove and the flexible double-sided adhesive is adhered between the crescent groove and the sealing foam.

[0009] Wherein, the arc contour of the surface of the sealing foam in contact with the crescent groove is equivalent to the arc contour of the crescent groove, and the flexible double-sided adhesive is adhered between the two opposite surfaces of the crescent groove and the sealing foam.

[0010] Wherein, the bracket includes two T-shaped support feet and a support seat, the support seat is fixed between the upper ends of the two T-shaped support frames, and the linear cylinder is arranged on the support seat.

[0011] Wherein, the support seat is inclined and the included angle with the horizontal direction is less than 45°.

[0012] Among them, the linear cylinder includes a telescopic cylinder, a linear slide rail and a slider. The slider is slidably arranged on the linear slide rail. The linear slide rail is fixed to the telescopic cylinder. The output end of the telescopic cylinder is fixedly connected to the slider. The telescopic cylinder is fixed to the support base. One end of the extension arm close to the linear cylinder is fixedly connected to the slider.

[0013] Among them, an air inlet connecting piece and an air exhaust connecting piece are connected to the side of the telescopic cylinder.

[0014] Among them, the acoustic detection tooling further includes a stroke control component. The stroke control component includes an induction switch and a trigger. The induction switch and the trigger are arranged on the same side of the linear cylinder. The induction switch is arranged on the telescopic cylinder. The trigger is arranged on the slider and is used to trigger the induction switch.

[0015] Among them, a buffer component is arranged between the tooling fixture and the extension arm. The buffer component includes a telescopic piece and a buffer compression spring. A concave platform is opened on the end face of the extension arm close to the tooling fixture. A first counterbore is opened at the bottom of the concave platform. The telescopic piece is fixed to the tooling fixture and is telescopically arranged in the concave platform. A second counterbore is opened on the telescopic piece, and the central axes of the first counterbore and the second counterbore are on the same straight line. One end of the buffer compression spring is arranged in the first counterbore, and the other end of the buffer compression spring is arranged in the second counterbore.

[0016] The beneficial effects of the present utility model are as follows: The linear cylinder of the present utility model drives the extension arm to extend forward, thereby driving the tooling fixture and the sealing foam to approach the sound hole of the acoustic product until the sealing foam fits the sound hole. The sound hole sealing operation is simple and fast. The sealing foam is arranged in a crescent-shaped structure, so as to ensure that the sealing foam can perfectly fit the sound hole arranged on the convex arc surface. Moreover, both the crescent groove and the sealing foam adopt a crescent-shaped structure design, which can ensure that the thickness of each section of the sealing foam used for extruding and sealing the sound hole is quite the same, and has almost the same unit pressure deformation amount, thereby ensuring the sealing consistency between each part of the sound hole, and there will be no situation where some parts are sealed tightly while some parts have a lower sealing tightness. Description of the Drawings

[0017] Figure 1 is a three-dimensional view of the present utility model.

[0018] Figure 2 is a three-dimensional view of the sealing foam of the present utility model.

[0019] Reference numerals are:

[0020] 1. Bracket; 11. T-shaped support foot; 12. Support base;

[0021] 2. Linear cylinder; 21. Extension arm; 22. Telescopic cylinder; 23. Linear slide rail; 24. Slide block; 25. Intake connection piece; 26. Exhaust connection piece;

[0022] 3. Sealing assembly; 31. Tooling fixture; 32. Sealing foam; 33. Flexible double-sided tape; 34. Crescent groove;

[0023] 41. Inductive switch; 42. Triggering part;

[0024] 5. Buffer assembly; 51. Telescopic part; 52. Buffer compression spring; 53. Concave platform; 54. First counterbore; 55. Second counterbore. Detailed implementation mode

[0025] For the convenience of understanding by those skilled in the art, the following combines examples and appendices Figure 1 - Figure 2 to further illustrate the present utility model. The content mentioned in the implementation mode does not limit the present utility model.

[0026] See Figure 1 - Figure 2 ,

[0027] An acoustic detection tooling, comprising:

[0028] Bracket 1;

[0029] Linear cylinder 2, arranged on the bracket 1, and an extension arm 21 is arranged at the output end of the linear cylinder 2;

[0030] Sealing assembly 3, including tooling fixture 31, sealing foam 32 and flexible double-sided tape 33. The tooling fixture 31 is arranged at one end of the extension arm 21 away from the linear cylinder 2. A crescent groove 34 is formed on the surface of the tooling fixture 31 facing away from the extension arm 21. The sealing foam 32 is arranged in a crescent shape, and the sealing foam 32 is arranged in the crescent groove 34 and the flexible double-sided tape 33 is adhered between the crescent groove 34 and the sealing foam 32.

[0031] The linear cylinder 2 of the utility model drives the extension arm 21 to extend forward, thereby driving the tooling fixture 31 and the sealing foam 32 to approach the sound hole of the acoustic product until the sealing foam 32 fits the orifice and the periphery of the orifice of the sound hole. The sound hole sealing operation is simple and fast. The sealing foam 32 is arranged in a crescent structure, so as to ensure that the sealing foam 32 can perfectly fit the sound hole arranged on the convex arc surface. Both the crescent groove 34 and the sealing foam 32 are designed in a crescent structure, which can ensure that the thickness of each section of the sealing foam 32 used for extruding and sealing the sound hole is quite the same, and has almost the same unit pressure deformation amount, so as to ensure the sealing consistency between each part of the sound hole, and there will be no situation where some parts are sealed tightly while some parts have a lower sealing tightness. Moreover, the flexible double-sided tape 33 has good flexibility. During the extrusion deformation process of the sealing foam 32, the flexible double-sided tape 33 can deform along with the sealing foam 32, and will not crack or shift due to the deformation and pulling of the sealing foam 32 for a long time. Therefore, the adhesion tightness and stability between the sealing foam 32 and the tooling fixture 31 can be always maintained, ensuring that the sealing work of the sound hole can be carried out normally.

[0032] Wherein, the arc contour of the surface of the sealing foam 32 in contact with the crescent groove 34 is quite the same as the arc contour of the crescent groove 34. The flexible double-sided tape 33 is adhered between the two opposite surfaces of the crescent groove 34 and the sealing foam 32. Therefore, it can ensure that the sealing foam 32 can perfectly fit the sound hole arranged on the convex arc surface. Both the crescent groove 34 and the sealing foam 32 are designed in a crescent structure, which can ensure that the thickness of each section of the sealing foam 32 used for extruding and sealing the sound hole is quite the same, and has almost the same unit pressure deformation amount, so as to ensure the sealing consistency between each part of the sound hole, and there will be no situation where some parts are sealed tightly while some parts have a lower sealing tightness.

[0033] Wherein, the bracket 1 includes two T-shaped support feet 11 and a support seat 12. The support seat 12 is fixed between the upper ends of the two T-shaped support frames. The linear cylinder 2 is arranged on the support seat 12, which can well provide support for the linear cylinder 2 and has good support stability.

[0034] Wherein, the support seat 12 is inclined and the included angle with the horizontal direction is less than 45°.

[0035] Among them, the linear cylinder 2 includes a telescopic cylinder 22, a linear slide rail 23, and a slider 24. The slider 24 is slidably arranged on the linear slide rail 23. The linear slide rail 23 is fixed to the telescopic cylinder 22. The output end of the telescopic cylinder 22 is fixedly connected to the slider 24. The telescopic cylinder 22 is fixed to the support base 12. One end of the extension arm 21 close to the linear cylinder 2 is fixedly connected to the slider 24. Only with such a structural design of the linear cylinder 2 can the displacement stability and accuracy of the sealing foam 32 be effectively improved, and further ensure that the sealing foam 32 can be pressed against the sound hole at the best angle, thereby ensuring and enhancing the sealing performance of the sound hole.

[0036] Among them, an air inlet connecting piece 25 and an air outlet connecting piece 26 are connected to the side of the telescopic cylinder 22.

[0037] Among them, the acoustic detection tooling further includes a stroke control component. The stroke control component includes an induction switch 41 and a trigger 42. The induction switch 41 and the trigger 42 are arranged on the same side of the linear cylinder 2. The induction switch 41 is arranged on the telescopic cylinder 22. The trigger 42 is arranged on the slider 24 and is used to trigger the induction switch 41. Specifically, the induction switch 41 is electrically connected to the telescopic cylinder 22. The telescopic cylinder 22 drives the slider 24 to slide forward relative to the linear slide rail 23, thereby driving the extension arm 21, the tooling fixture 31, and the sealing foam 32 to move forward until the sealing foam 32 completes the sealing of the sound hole. At this time, the trigger 42 triggers the induction switch 41, and the induction switch 41 controls the telescopic cylinder 22 to stop operating.

[0038] Among them, a buffer component 5 is arranged between the tooling fixture 31 and the extension arm 21. The buffer component 5 includes a telescopic member 51 and a buffer compression spring 52. A concave platform 53 is formed on the end face of the extension arm 21 close to the tooling fixture 31. A first counterbore 54 is formed at the bottom of the concave platform 53. The telescopic member 51 is fixed to the tooling fixture 31 and is telescopically arranged in the concave platform 53. A second counterbore 55 is formed in the telescopic member 51, and the central axes of the first counterbore 54 and the second counterbore 55 are on the same straight line. One end of the buffer compression spring 52 is arranged in the first counterbore 54, and the other end of the buffer compression spring 52 is arranged in the second counterbore 55. Specifically, when the sealing foam 32 contacts the sound hole, the buffer compression spring 52 can play a certain buffering role to avoid damaging the sound hole due to excessive impact. At the same time, after the buffer compression spring 52 is compressed, it can provide a certain elastic sealing force for the sealing foam 32, thereby ensuring and enhancing the sealing performance of the sealing foam 32 for the sound hole.

[0039] The above embodiments are preferred implementation solutions of the present utility model. In addition, the present utility model can also be implemented in other ways. Any obvious substitution without departing from the concept of the present utility model falls within the protection scope of the present utility model.

Claims

1. An acoustic detection tooling, characterized in that: Comprising: A bracket (1); A linear cylinder (2) disposed on the bracket (1), and an extension arm (21) is provided at the output end of the linear cylinder (2); A sealing assembly (3), including a tooling fixture (31), a sealing foam (32) and a flexible double-sided tape (33). The tooling fixture (31) is disposed at one end of the extension arm (21) away from the linear cylinder (2). A crescent groove (34) is formed on the surface of the tooling fixture (31) facing away from the extension arm (21). The sealing foam (32) is arranged in a crescent shape, and the sealing foam (32) is disposed in the crescent groove (34) and the flexible double-sided tape (33) is adhered between the crescent groove (34) and the sealing foam (32).

2. The acoustic detection tooling according to claim 1, characterized in that: The arc contour of the surface of the sealing foam (32) in contact with the crescent groove (34) is equivalent to the arc contour of the crescent groove (34), and the flexible double-sided tape (33) is adhered between two opposite surfaces of the crescent groove (34) and the sealing foam (32).

3. The acoustic detection tooling according to claim 1, characterized in that: The bracket (1) includes two T-shaped support feet (11) and a support base (12). The support base (12) is fixed between the upper ends of the two T-shaped support frames, and the linear cylinder (2) is disposed on the support base (12).

4. The acoustic detection tooling according to claim 3, wherein: The support base (12) is inclined and the included angle with the horizontal direction is less than 45°.

5. The acoustic detection tooling according to claim 4, characterized in that: The linear cylinder (2) includes a telescopic cylinder (22), a linear slide rail (23) and a slider (24). The slider (24) is slidably disposed on the linear slide rail (23). The linear slide rail (23) is fixed to the telescopic cylinder (22). The output end of the telescopic cylinder (22) is fixedly connected to the slider (24). The telescopic cylinder (22) is fixed to the support base (12), and one end of the extension arm (21) close to the linear cylinder (2) is fixedly connected to the slider (24).

6. The acoustic detection tooling according to claim 5, wherein: An air inlet connector (25) and an air exhaust connector (26) are connected to the side of the telescopic cylinder (22).

7. The acoustic detection tooling according to claim 5, wherein: It further includes a stroke control assembly. The stroke control assembly includes an induction switch (41) and a trigger (42). The induction switch (41) and the trigger (42) are disposed on the same side of the linear cylinder (2). The induction switch (41) is disposed on the telescopic cylinder (22), and the trigger (42) is disposed on the slider (24) and is used to trigger the induction switch (41).

8. The acoustic detection tooling according to claim 1, wherein: A buffer assembly (5) is provided between the tooling fixture (31) and the extension arm (21). The buffer assembly (5) includes a telescopic member (51) and a buffer compression spring (52). A concave platform (53) is formed on the end face of the extension arm (21) close to the tooling fixture (31). A first counterbore (54) is formed at the bottom of the concave platform (53). The telescopic member (51) is fixed to the tooling fixture (31) and is telescopically arranged in the concave platform (53). A second counterbore (55) is formed in the telescopic member (51), and the central axes of the first counterbore (54) and the second counterbore (55) are on the same straight line. One end of the buffer compression spring (52) is arranged in the first counterbore (54), and the other end of the buffer compression spring (52) is arranged in the second counterbore (55).

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