CN217643718U - A support plate location and automatic hole plugging mechanism for microphone sound insulation test - Google Patents

Abstract

The utility model provides a support plate location and automatic stifled hole mechanism for microphone sound insulation test belongs to audio test technical field. The utility model discloses a support plate positioning mechanism and automatic stifled hole module, fix a position and press from both sides tightly the product that awaits measuring through support plate positioning mechanism, the automatic stifled hole module of rethread drives the sealing member upward movement through the cylinder earlier, make the sealing member aim at the hole of microphone, the rethread cylinder drives the motion of sealing member horizontal direction and plugs up the hole of microphone, sound intensity around testing the stifled hole through external equipment is poor, judge whether there is sound to reveal the problem, the accurate detection of microphone sound leakage and crosstalk has been realized.

Description

A support plate location and automatic hole plugging mechanism for microphone sound insulation test

Technical Field

The utility model relates to an audio test technical field especially relates to a support plate location and automatic stifled hole mechanism for microphone sound insulation test.

Background

Mobile phones and PADs have become essential products in life, and people have higher and higher pursuits on the performance of the mobile phones and PADs, for example, the requirements on the quality of microphones of the mobile phones and PADs are higher and higher. One or more microphones are installed on a mobile phone or a PAD, and gaps may exist in the installation process, so that the single microphone leaks sound, and the performance of the microphone is influenced; or cause acoustic crosstalk between multiple microphones and affect the normal sound receiving function. Microphone leakage and acoustic crosstalk detection are issues that need to be addressed.

The traditional sound leakage measurement usually adopts manual microphone hole plugging operation, wastes manpower, has higher cost, and some automatic hole plugging mechanisms lack accurate positioning, so that the sealing performance is poor and the measurement is inaccurate.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems in the prior art, the utility model provides a support plate positioning and automatic hole plugging mechanism for microphone sound insulation test, which comprises a support plate positioning mechanism and an automatic hole plugging module, wherein the automatic hole plugging module is arranged below the support plate of the support plate positioning mechanism, and a microphone to be tested is arranged on a product to be tested at the cavity of a bottom plate; the carrier plate positioning mechanism is used for positioning and clamping a product to be detected and comprises a carrier plate, a positioning block and a first cylinder; the first cylinder is connected with the positioning block and is positioned below the positioning block; the support plate is horizontally arranged and comprises an upper surface, a lower surface and a side surface, an imitated groove matched with a product to be detected is arranged on the support plate, and a plurality of fixing blocks are arranged at the edge of the support plate; the positioning block and the carrier plate are located on the same horizontal plane, the positioning block is independent of the carrier plate and is arranged close to the side face of the carrier plate, the first air cylinder drives the positioning block to move in the horizontal direction, the positioning block can abut against a product to be tested, the product to be tested abuts against the fixing block of the carrier plate, and the product to be tested is clamped tightly. The carrier plate is provided with four edges, four corners are surrounded by the four edges, three corners of the carrier plate are provided with fixed blocks, the positioning block is close to the corner of the carrier plate, which is not provided with the fixed block, and the cross section of the positioning block is Y-shaped; a bottom plate is arranged below the carrier plate, a plurality of support columns are arranged between the carrier plate and the bottom plate, and an opening is arranged in the middle of the bottom plate. The first cylinder is a side pressure cylinder, and applies lateral pressure to the side face of the product to be detected through the positioning block; the lower surface of the carrier plate is provided with a carrier plate reinforcing block, the shape of the carrier plate reinforcing block is consistent with that of the carrier plate, and the support column is arranged between the carrier plate reinforcing block and the bottom plate; and a shock absorption foot pad is arranged at the joint of the support plate reinforcing block and the support column. Automatic stifled hole module includes: the device comprises a second cylinder, a plurality of third cylinders, a plurality of sealing elements, an installation bottom plate, a cylinder bottom plate, an adjusting block, a sliding plate and a sliding rail; the mounting bottom plate is positioned at the lowest end of the automatic hole plugging module and is a thin plate with a U-shaped longitudinal section, and one end of the opening is upward; the second cylinder is fixed on one side surface of the mounting bottom plate parallel to the U-shaped section, and the slide rail is arranged on the other side of the mounting bottom plate opposite to the second cylinder; the adjusting block is positioned on the upper surface of the mounting bottom plate and forms an L-shaped connecting structure with the mounting bottom plate; the adjusting block is a strip-shaped thin plate with an opening on the long edge; the upper end part of the slide rail is provided with a cylinder bottom plate; the cylinder bottom plate and the adjusting block are respectively positioned at two sides of the U-shaped section of the mounting bottom plate in the vertical direction, and a plurality of third cylinders are mounted on the upper surface of the cylinder bottom plate; the second cylinder is connected with the cylinder bottom plate; the sealing elements are connected with the third cylinders in a one-to-one correspondence manner and driven by the third cylinders connected with the sealing elements; the sliding plate is connected with the cylinder bottom plate and is positioned on the lower surface of the cylinder bottom plate, and the sliding plate and the cylinder bottom plate form an L-shaped connecting structure; the sliding plate is connected with the second cylinder and is driven by the second cylinder to move along the sliding rail. A plurality of buffer blocks are arranged on one side, close to the first air cylinder, of the upper surface of the bottom plate, and the number of the buffer blocks is the same as that of the third air cylinders; the second cylinder can drive the sliding plate to move on the sliding rail, the cylinder bottom plate penetrates through the opening of the bottom plate through the tension metal plate, and the second cylinder stops moving when the second limiting block is in contact with the adjusting block, so that the sealing element is aligned with the microphone hole; the third cylinder is the slip table cylinder, and the third cylinder can drive the motion of the sealing member horizontal direction that corresponds, and stop motion when first stopper and buffer block contact makes the sealing member plug up corresponding microphone hole. The utility model discloses a sound intensity around the stifled hole is gathered to external sound card is poor, judges whether there is sound to reveal the problem. The utility model discloses a support plate positioning mechanism fixes a position and presss from both sides tightly the product that awaits measuring, and the hole of microphone is plugged up to the automatic stifled hole module of rethread, and whether there is sound to reveal the problem to the sound intensity difference around the external sound card test stifled hole of rethread, has realized that the microphone leaks the accurate detection of sound and crosstalk.

The utility model provides a support plate positioning mechanism for microphone sound insulation test, wherein a microphone to be tested is arranged on a product to be tested, and the support plate positioning mechanism comprises a support plate, a positioning block and a first cylinder;

the support plate is horizontally arranged and comprises an upper surface, a lower surface and a side surface, an imitated groove matched with a product to be detected is arranged on the support plate, and a plurality of fixing blocks are arranged at the edge of the support plate;

the positioning block and the carrier plate are positioned on the same horizontal plane, the positioning block is independent of the carrier plate and is arranged close to the side face of the carrier plate, the first cylinder is connected with the positioning block, and the first cylinder is positioned below the positioning block;

the first cylinder drives the positioning block to move in the horizontal direction, the positioning block can abut against a product to be detected, the product to be detected abuts against a fixing block of the carrier plate, and the product to be detected is clamped; the first cylinder is a side pressure cylinder, and applies lateral pressure to the side face of the product to be detected through the positioning block;

a bottom plate is arranged below the carrier plate, a plurality of support columns are arranged between the carrier plate and the bottom plate, and an opening is formed in the middle of the bottom plate;

the first cylinder is arranged on the upper surface of the bottom plate;

the bottom plate is arranged on the upper surface of the carrier plate base.

Preferably, the carrier plate has four sides, four corners are defined by the four sides, three corners of the carrier plate are provided with fixing blocks, the positioning block is close to the corner of the carrier plate where the fixing block is not arranged, and the fixing block and the carrier plate are integrally formed or separately arranged.

Preferably, the positioning block is Y-shaped in cross section.

Preferably, a cylinder base is arranged on the upper surface of the bottom plate, and the first cylinder is arranged on the cylinder base.

Preferably, a carrier plate reinforcing block is arranged on the lower surface of the carrier plate, the carrier plate reinforcing block is consistent with the carrier plate in shape, and the support columns are arranged between the carrier plate reinforcing block and the bottom plate.

Preferably, a shock absorption foot pad is arranged at the joint of the carrier plate reinforcing block and the support column.

Preferably, a circular and a rectangular opening are provided on the carrier plate;

preferably, the carrier plate reinforcing plate is provided with a concentric circular opening corresponding to the circular opening on the carrier plate;

preferably, the bottom plate far away from the opening of the bottom plate is provided with a strip-shaped hole;

the utility model provides an automatic stifled hole mechanism for microphone sound insulation test, including foretell arbitrary support plate positioning mechanism, still include automatic stifled hole module, automatic stifled hole module includes: the device comprises a second cylinder, a plurality of third cylinders, a plurality of sealing elements, an installation bottom plate, a cylinder bottom plate, an adjusting block, a sliding plate and a sliding rail;

the mounting bottom plate is positioned at the lowest end of the automatic hole plugging module and is a thin plate with a U-shaped longitudinal section, and one end of the opening is upward;

the second cylinder is fixed on one side surface of the mounting bottom plate parallel to the U-shaped section, and the slide rail is arranged on the other side of the mounting bottom plate opposite to the second cylinder;

the adjusting block is positioned on the upper surface of the mounting bottom plate and forms an L-shaped connecting structure with the mounting bottom plate;

the adjusting block is a strip-shaped thin plate with an opening on the long edge;

a cylinder bottom plate is arranged at the upper end part of the slide rail; the cylinder bottom plate and the adjusting block are respectively positioned at two sides of the U-shaped section of the mounting bottom plate in the vertical direction, and a plurality of third cylinders are mounted on the upper surface of the cylinder bottom plate;

the second cylinder is connected with the cylinder bottom plate;

the sealing elements are connected with the third cylinders in a one-to-one correspondence manner and driven by the third cylinders connected with the sealing elements;

the sliding plate is connected with the cylinder bottom plate and is positioned on the lower surface of the cylinder bottom plate, and the sliding plate and the cylinder bottom plate form an L-shaped connecting structure;

the sliding plate is connected with the second cylinder and is driven by the second cylinder to move along the sliding rail;

the number of the third cylinders and the sealing pieces is the same as or less than that of the holes of the microphone to be tested.

Preferably, the second cylinder passes through pulling force sheet metal connection with the cylinder bottom plate, and the pulling force sheet metal is located the opening part of regulating block, and the one end and the cylinder bottom plate of pulling force sheet metal are connected, and the other end of pulling force sheet metal is connected with the second cylinder through floating joint.

Preferably, a first reinforcing rib is arranged between the mounting bottom plate and the adjusting block; a second reinforcing rib is arranged between the sliding plate and the cylinder bottom plate; the longitudinal section of the first reinforcing rib is in a right trapezoid shape, and the first reinforcing rib is perpendicular to the mounting base plate and the adjusting block; the longer bottom edge is tightly attached to the mounting bottom plate, and the right-angle edge is tightly attached to the adjusting block; the longitudinal section of the second reinforcing rib is in a right trapezoid shape, and the second reinforcing rib is perpendicular to the sliding plate and the cylinder bottom plate; the longer bottom edge is attached to the sliding plate, and the right-angle edge is attached to the bottom plate of the cylinder.

Preferably, a first stop block is arranged at the front end of each third cylinder.

Preferably, the sliding plate further comprises two second limiting blocks, the two second limiting blocks are arranged at two ends of the side face of the sliding plate respectively, and a buffering structure is arranged at the upper end of each second limiting block.

Preferably, the sealing member is connected to the third cylinder through a cylinder connection block.

Preferably, a sealing element base is arranged between the sealing element and the cylinder connecting block.

Preferably, the microphone to be tested comprises 2 holes, the number of the third cylinders is two, the third cylinders are respectively arranged on two sides of the upper surface of the cylinder bottom plate, the number of the first limiting blocks is two, the first limiting blocks are respectively arranged at the front ends of the two third cylinders, and the number of the sealing elements is two, and the two sealing elements are respectively driven by the corresponding third cylinders.

Preferably, the automatic hole plugging module is arranged at an opening of a bottom plate of the support plate positioning mechanism; a plurality of buffer blocks are arranged on one side, close to the first air cylinder, of the upper surface of the bottom plate, and the number of the buffer blocks is the same as that of the third air cylinders;

the second cylinder can drive the sliding plate to move on the sliding rail, the cylinder bottom plate penetrates through the opening of the bottom plate through the tension metal plate, and the second cylinder stops moving when the second limiting block is in contact with the adjusting block, so that the sealing element is aligned with the microphone hole;

the third cylinder is a sliding table cylinder, and can drive the corresponding sealing element to move in the horizontal direction, and the third cylinder stops moving when the first limiting block is in contact with the buffer block, so that the corresponding microphone hole is blocked by the sealing element;

the external sound card collects the sound intensity difference before and after hole plugging and judges whether the problem of sound leakage exists or not.

With prior art relative ratio, the beneficial effects of the utility model are as follows:

1. the utility model discloses a support plate positioning mechanism fixes a position and presss from both sides tightly the product that awaits measuring, does preliminary preparation for the accurate location in microphone hole.

2. The utility model discloses a cylinder of automatic stifled hole module drives the sealing member up-and-down motion and aims at the hole of microphone, and the rethread cylinder drives the sealing member horizontal direction motion and plugs up the hole of microphone, has realized automatic accurate stifled hole, and sound intensity is poor around having realized accurate measurement stifled hole.

3. The utility model discloses be equipped with the buffer block on the bottom plate upper surface for to support plate positioning mechanism's impact when alleviating automatic stifled hole module horizontal direction motion, be equipped with buffer structure in the upper end of every second stopper, be used for alleviating impact to support plate positioning mechanism when automatic stifled hole module upward movement.

Drawings

Fig. 1 is a perspective view of an embodiment of an automatic hole plugging mechanism for microphone sound insulation test according to the present invention;

fig. 2 is a perspective view of an embodiment of a carrier plate positioning mechanism for microphone sound insulation test according to the present invention;

fig. 3 is a perspective view of an embodiment of the automatic hole plugging module for microphone sound insulation test according to the present invention;

fig. 4 is another perspective view of an embodiment of the automatic hole plugging module for microphone noise insulation test according to the present invention.

In the figure:

1. a carrier plate positioning mechanism; 2. an automatic hole plugging module; 101. positioning blocks; 102. a first cylinder; 103. a cylinder base; 104. a carrier plate base; 105. a buffer block; 106. a support pillar; 107. a shock-absorbing foot pad; 108. a base plate; 109. a carrier plate reinforcing block; 110. a carrier plate; 111. a product to be tested; 112. a first U-shaped hole; 201. a seal member; 202. a cylinder connecting block; 203. a third cylinder; 204. an adjusting block; 205. mounting a bottom plate; 206. a second U-shaped hole; 207. a tension metal plate; 208. a floating joint; 209. a first reinforcing rib; 210. a second cylinder; 211. a seal member base; 212. a first stopper; 213. a cylinder bottom plate; 214. a second reinforcing rib; 215. a slide plate; 216. a slide rail; 217. a second limiting block; 218. a fixed block; 219. and a buffer structure.

Detailed Description

The following detailed description of the present invention will be made with reference to the accompanying drawings 1-4.

The utility model provides a support plate positioning mechanism 1 for microphone sound insulation test, a microphone to be tested is arranged on a product 111 to be tested, which comprises a support plate 110, a positioning block 101 and a first cylinder 102;

the carrier plate 110 is horizontally placed and comprises an upper surface, a lower surface and a side surface, the carrier plate 110 is provided with an imitated groove matched with a product to be detected, and the edge of the carrier plate 110 is provided with a plurality of fixing blocks 218;

the positioning block 101 and the carrier plate 110 are located on the same horizontal plane, the positioning block 101 is independent of the carrier plate 110 and is arranged close to the side surface of the carrier plate 110, the first cylinder 102 is connected with the positioning block 101, and the first cylinder 102 is located below the positioning block 101;

the first cylinder 102 drives the positioning block 101 to move in the horizontal direction, the positioning block 101 can abut against a product to be tested, and the product to be tested abuts against the fixing block 218 of the carrier plate 110 to clamp the product to be tested; the first cylinder 102 is a lateral pressure cylinder;

a bottom plate 108 is arranged below the carrier plate 110, a plurality of support columns 106 are arranged between the carrier plate 110 and the bottom plate 108, and an opening is arranged in the middle of the bottom plate 108;

the first cylinder 102 is mounted on the upper surface of the bottom plate 108;

the bottom plate 108 is disposed on the upper surface of the carrier base 104.

According to a specific embodiment of the present invention, the carrier plate 110 has four edges, and four corners are enclosed by the four edges, the fixing block 218 is disposed on three corners of the carrier plate 110, the positioning block 101 is close to the corner of the carrier plate 110 where the fixing block 218 is not disposed, and the fixing block 218 is integrally formed with or separately disposed from the carrier plate 110.

According to a specific embodiment of the present invention, the positioning block 101 has a Y-shaped cross section.

According to a specific embodiment of the present invention, a cylinder base 103 is provided on the bottom plate 108, and the first cylinder 102 is installed on the cylinder base 103.

According to a specific embodiment of the present invention, the lower surface of the carrier plate 110 is provided with a carrier plate reinforcing block 109, the carrier plate reinforcing block 109 is identical to the carrier plate 110 in shape, and the supporting column 106 is disposed between the carrier plate reinforcing block 109 and the bottom plate 108.

According to a specific embodiment of the present invention, a shock absorbing foot pad 107 is disposed at the joint of the carrier plate reinforcing block 109 and the supporting column 106.

According to a specific embodiment of the present invention, circular and rectangular openings are provided on the carrier plate; the sensor is used for installing the sensor and sensing whether the product is placed on the carrier plate.

According to a specific embodiment of the present invention, a concentric circular opening corresponding to the circular opening on the carrier plate is provided on the carrier plate reinforcement plate; and also for mounting sensors.

According to a specific embodiment of the present invention, the bottom plate far from the opening of the bottom plate is provided with a strip-shaped hole; the manipulator is used for providing a avoiding position for clamping the product.

The utility model provides an automatic stifled hole mechanism for microphone sound insulation test, including foretell arbitrary support plate positioning mechanism, still include automatic stifled hole module 2, automatic stifled hole module 2 includes: a second cylinder 210, a plurality of third cylinders 203, a plurality of seals 201, a mounting base plate 205, a cylinder base plate 213, an adjustment block 204, a slide plate 215, and a slide rail 216;

the mounting bottom plate 205 is located at the lowest end of the automatic hole plugging module 2 and is a thin plate with a U-shaped longitudinal section, and one end of the opening is upward;

the second cylinder 210 is fixed on one side surface of the mounting base plate 205 parallel to the U-shaped section, and the slide rail 216 is arranged on the other side surface of the mounting base plate 205 opposite to the second cylinder 210;

the adjusting block 204 is positioned on the upper surface of the mounting base plate 205 and forms an L-shaped connecting structure with the mounting base plate 205;

the adjusting block 204 is a strip-shaped thin plate with an opening on the long edge;

a cylinder bottom plate 213 is arranged at the upper end of the slide rail 216; the cylinder bottom plate 213 and the adjusting block 204 are respectively positioned at two sides of the U-shaped section of the mounting bottom plate 205 in the vertical direction, and a plurality of third cylinders 203 are mounted on the upper surface of the cylinder bottom plate 213;

the second cylinder 210 is connected with a cylinder bottom plate 213;

the sealing pieces 201 are connected with the third air cylinders 203 in a one-to-one correspondence manner, and the sealing pieces 201 are driven by the third air cylinders 203 connected with the sealing pieces 201;

the sliding plate 215 is connected with the cylinder bottom plate 213 and is positioned on the lower surface of the cylinder bottom plate 213, and forms an L-shaped connecting structure with the cylinder bottom plate 213;

the sliding plate 215 is connected with the second cylinder 210 and is driven by the second cylinder 210 to move along the sliding rail 216;

the number of the third cylinders 203 and the sealing members 201 is the same as or less than the number of the holes of the microphone to be tested.

According to the utility model discloses a specific embodiment, the second cylinder passes through pulling force panel beating 207 with 210 cylinder bottom plate 213 and is connected, and pulling force panel beating 207 is located the opening part of regulating block 204, and pulling force panel beating 207's one end is connected with cylinder bottom plate 213, and pulling force panel beating 207's the other end is connected with second cylinder 210 through floating joint 208.

According to a specific embodiment of the present invention, a first reinforcing rib 209 is disposed between the mounting base plate 213 and the adjusting block 204; a second reinforcing rib 214 is arranged between the sliding plate 215 and the cylinder bottom plate 213; the longitudinal section of the first reinforcing rib 209 is a right trapezoid, and the first reinforcing rib 209 is perpendicular to the mounting base plate 213 and the adjusting block 204; the longer bottom edge is tightly attached to the mounting bottom plate 213, and the right-angle edge is tightly attached to the adjusting block 204; the longitudinal section of the second reinforcing rib 214 is a right trapezoid, and the second reinforcing rib 214 is perpendicular to the sliding plate 215 and the cylinder bottom plate 213; the longer bottom edge is attached to the slider 215 and the right-angle edge is attached to the cylinder bottom plate 213.

According to a specific embodiment of the present invention, a first stopper 212 is disposed at the front end of each third cylinder 203.

According to the utility model discloses a specific embodiment still includes two second stoppers 217, and two second stoppers 217 set up respectively in the both ends of slide 215 side, are equipped with buffer structure 219 in the upper end of every second stopper 217.

According to a specific embodiment of the present invention, the sealing member 201 is connected with the third cylinder 203 through the cylinder connection block 202.

According to a specific embodiment of the present invention, a sealing member base 211 is provided between the sealing member 201 and the cylinder connecting block 202.

According to the utility model discloses a concrete embodiment, the microphone that awaits measuring includes 2 holes, and the third cylinder 203 is two, sets up the both sides at cylinder bottom plate 213 upper surface respectively, and first stopper 212 is two, sets up the front end at two third cylinders 203 respectively, and sealing member 201 is two, is driven by the third cylinder 203 that corresponds separately respectively.

According to a specific embodiment of the present invention, the automatic hole plugging module 2 is disposed at the opening of the bottom plate 108 of the carrier plate positioning mechanism 1;

a plurality of buffer blocks 105 are arranged on one side, close to the first air cylinder 102, of the upper surface of the bottom plate 108, and the number of the buffer blocks 105 is the same as that of the third air cylinders 203;

the second air cylinder 210 can drive the sliding plate 215 to move on the sliding rail 216, and the air cylinder bottom plate 213 passes through the opening of the bottom plate 108 through the tension metal plate 207, and stops moving when the second limiting block 217 contacts with the adjusting block 204, so that the sealing member 201 is aligned with the microphone hole;

the third cylinder 203 is a sliding table cylinder, the third cylinder 203 can drive the corresponding sealing element 201 to move in the horizontal direction, and the first limiting block 212 stops moving when contacting with the buffer block 105, so that the corresponding microphone hole is blocked by the sealing element 201.

The working principle of the automatic hole plugging mechanism is as follows:

fixing the position of the first cylinder 102 through the first U-shaped hole 112, and fixing the automatic hole plugging module 2 with the carrier plate positioning mechanism 1 through the second U-shaped hole 206;

placing the product 111 to be tested into the contour groove of the carrier plate 110, wherein the contour groove of the carrier plate 110 is matched with the fixing block 218 to perform coarse positioning on the product;

then the first cylinder 102 pushes the positioning block 101 to move in the horizontal direction, the first cylinder 102 applies lateral pressure to the side face of the product to be measured through the positioning block 101, so that the positioning block 101 is matched with the fixing block 218 on the outer side of the carrier plate 110, the product is secondarily positioned and clamped, and microphone sound is collected for the first time by using an external sound card;

the second cylinder 210 pushes the sliding plate 215 of the automatic hole plugging module 2 to move upwards along the sliding rail 216, so that the bottom plate of the cylinder passes through the opening in the middle of the pressing plate, and stops moving after being limited by the second limiting block 217 and buffered by the buffer structure 219, so that the sealing element 201 is aligned with the hole of the microphone;

then the third cylinder 203 drives the sealing element 201 to move horizontally, and after being limited by the first limiting block 212 and buffered by the buffer block 105, the sealing element stops moving, the sealing element blocks a microphone hole of a product, microphone sound is collected for the second time by using an external sound card, and collection is finished.

The third cylinder 203 drives the sealing element 201 to move horizontally away from the microphone hole, the second cylinder 210 drives the sliding plate to move downwards along the sliding rail, and the test is finished.

Example 1

According to a specific embodiment of the present invention, it is right below that the support plate positioning mechanism for microphone sound insulation test of the present invention is described in detail.

The utility model provides a support plate positioning mechanism 1 for microphone sound insulation test, a microphone to be tested is arranged on a product 111 to be tested, which comprises a support plate 110, a positioning block 101 and a first cylinder 102;

the carrier plate 110 is horizontally arranged and comprises an upper surface, a lower surface and a side surface, the carrier plate 110 is provided with an imitated groove matched with a product to be detected, and the edge of the carrier plate 110 is provided with a plurality of fixing blocks 218;

the positioning block 101 and the carrier plate 110 are located on the same horizontal plane, the positioning block 101 is independent of the carrier plate 110 and is arranged close to the side surface of the carrier plate 110, the first cylinder 102 is connected with the positioning block 101, and the first cylinder 102 is located below the positioning block 101;

the first air cylinder 102 drives the positioning block 101 to move horizontally, the positioning block 101 can abut against a product to be detected, and the product to be detected abuts against the fixing block 218 of the carrier plate 110 to clamp the product to be detected; the first cylinder 102 is a side pressure cylinder;

a bottom plate 108 is arranged below the carrier plate 110, a plurality of support columns 106 are arranged between the carrier plate 110 and the bottom plate 108, and an opening is arranged in the middle of the bottom plate 108;

the first cylinder 102 is mounted on the upper surface of the bottom plate 108;

the bottom plate 108 is disposed on the upper surface of the carrier base 104.

Example 2

According to a specific embodiment of the present invention, it is right below that the support plate positioning mechanism for microphone sound insulation test of the present invention is described in detail.

The utility model provides a support plate positioning mechanism 1 for microphone sound insulation test, a microphone to be tested is arranged on a product 111 to be tested, which comprises a support plate 110, a positioning block 101 and a first cylinder 102;

the carrier plate 110 is horizontally placed and comprises an upper surface, a lower surface and a side surface, the carrier plate 110 is provided with an imitated groove matched with a product to be detected, and the edge of the carrier plate 110 is provided with a plurality of fixing blocks 218;

the positioning block 101 and the carrier 110 are located on the same horizontal plane, the positioning block 101 is independent of the carrier 110 and is arranged close to the side surface of the carrier 110, the first cylinder 102 is connected with the positioning block 101, and the first cylinder 102 is located below the positioning block 101;

the carrier 110 has four sides, four corners are defined by the four sides, three corners of the carrier 110 are provided with fixing blocks 218, the cross section of the positioning block 101 is Y-shaped, the positioning block 101 is close to the corner of the carrier 110 where the fixing block 218 is not provided, and the fixing block 218 and the carrier 110 are integrally formed or separately arranged.

The first cylinder 102 drives the positioning block 101 to move in the horizontal direction, the positioning block 101 can abut against a product to be tested, and the product to be tested abuts against the fixing block 218 of the carrier plate 110 to clamp the product to be tested; the first cylinder 102 is a lateral pressure cylinder;

a bottom plate 108 is arranged below the carrier plate 110, a plurality of support columns 106 are arranged between the carrier plate 110 and the bottom plate 108, and an opening is arranged in the middle of the bottom plate 108;

the first cylinder 102 is mounted on the upper surface of the bottom plate 108;

the bottom plate 108 is disposed on the upper surface of the carrier base 104; the cylinder base 103 is provided on the bottom plate 108, and the first cylinder 102 is mounted on the cylinder base 103.

The carrier 110 has a carrier stiffener 109 disposed on a lower surface thereof, the carrier stiffener 109 and the carrier 110 have the same shape, and the support posts 106 are disposed between the carrier stiffener 109 and the bottom plate 108.

A shock absorption foot pad 107 is arranged at the joint of the carrier plate reinforcing block 109 and the supporting column 106.

Example 3

According to the utility model discloses a concrete embodiment is right below the utility model discloses an automatic stifled hole mechanism for microphone sound insulation test carries out the detailed description.

The utility model provides an automatic stifled hole mechanism for microphone sound insulation test, including foretell arbitrary support plate positioning mechanism, still include automatic stifled hole module 2, automatic stifled hole module 2 includes: a second cylinder 210, a plurality of third cylinders 203, a plurality of seals 201, a mounting base plate 205, a cylinder base plate 213, an adjustment block 204, a slide plate 215, and a slide rail 216;

the mounting bottom plate 205 is located at the lowest end of the automatic hole plugging module 2 and is a thin plate with a U-shaped longitudinal section, and one end of the opening is upward;

the second cylinder 210 is fixed on one side surface of the mounting base plate 205 parallel to the U-shaped section, and the slide rail 216 is arranged on the other side surface of the mounting base plate 205 opposite to the second cylinder 210;

the adjusting block 204 is positioned on the upper surface of the mounting base plate 205 and forms an L-shaped connecting structure with the mounting base plate 205;

the adjusting block 204 is a strip-shaped thin plate with an opening on the long side;

a cylinder bottom plate 213 is arranged at the upper end of the slide rail 216; the cylinder bottom plate 213 and the adjusting block 204 are respectively positioned at two sides of the U-shaped section of the mounting bottom plate 205 in the vertical direction, and a plurality of third cylinders 203 are mounted on the upper surface of the cylinder bottom plate 213;

the second cylinder 210 is connected with a cylinder bottom plate 213;

the sealing pieces 201 are connected with the third air cylinders 203 in a one-to-one correspondence manner, and the sealing pieces 201 are driven by the third air cylinders 203 connected with the sealing pieces 201;

the sliding plate 215 is connected with the cylinder bottom plate 213 and is positioned on the lower surface of the cylinder bottom plate 213, and forms an L-shaped connecting structure with the cylinder bottom plate 213;

the sliding plate 215 is connected with the second cylinder 210 and is driven by the second cylinder 210 to move along the sliding rail 216;

the number of the third cylinders 203 and the sealing members 201 is the same as or less than the number of the holes of the microphone to be tested.

Example 4

According to the utility model discloses a concrete embodiment is right below the utility model discloses an automatic stifled hole mechanism for microphone sound insulation test carries out the detailed description.

The utility model provides an automatic stifled hole mechanism for microphone sound insulation test, including foretell arbitrary support plate positioning mechanism, still include automatic stifled hole module 2, automatic stifled hole module 2 includes: a second cylinder 210, a plurality of third cylinders 203, a plurality of seals 201, a mounting base plate 205, a cylinder base plate 213, an adjustment block 204, a slide plate 215, and a slide rail 216;

the mounting bottom plate 205 is located at the lowest end of the automatic hole plugging module 2 and is a thin plate with a U-shaped longitudinal section, and one end of the opening is upward;

the second cylinder 210 is fixed on one side surface of the mounting base plate 205 parallel to the U-shaped cross section, and the slide rail 216 is arranged on the other side surface of the mounting base plate 205 opposite to the second cylinder 210;

the adjusting block 204 is positioned on the upper surface of the mounting base plate 205 and forms an L-shaped connecting structure with the mounting base plate 205;

the adjusting block 204 is a strip-shaped thin plate with an opening on the long side;

a cylinder bottom plate 213 is arranged at the upper end of the slide rail 216; the cylinder bottom plate 213 and the adjusting block 204 are respectively positioned at two sides of the U-shaped section of the mounting bottom plate 205 in the vertical direction, and a plurality of third cylinders 203 are mounted on the upper surface of the cylinder bottom plate 213;

the second cylinder 210 is connected with the cylinder bottom plate 213;

the sealing pieces 201 are connected with the third air cylinders 203 in a one-to-one correspondence manner, and the sealing pieces 201 are driven by the third air cylinders 203 connected with the sealing pieces 201;

the sliding plate 215 is connected with the cylinder bottom plate 213 and is positioned on the lower surface of the cylinder bottom plate 213, and forms an L-shaped connecting structure with the cylinder bottom plate 213;

the sliding plate 215 is connected with the second cylinder 210 and is driven by the second cylinder 210 to move along the sliding rail 216;

the number of the third cylinders 203 and the sealing members 201 is the same as or less than the number of the holes of the microphone to be tested.

The second air cylinder is connected with the air cylinder base plate 213 through a tension metal plate 207, the tension metal plate 207 is located at the opening of the adjusting block 204, one end of the tension metal plate 207 is connected with the air cylinder base plate 213, and the other end of the tension metal plate 207 is connected with the second air cylinder 210 through a floating joint 208.

A first reinforcing rib 209 is arranged between the mounting bottom plate 213 and the adjusting block 204; a second reinforcing rib 214 is arranged between the sliding plate 215 and the cylinder bottom plate 213; the longitudinal section of the first reinforcing rib 209 is a right trapezoid, and the first reinforcing rib 209 is perpendicular to the mounting base plate 213 and the adjusting block 204; the longer bottom edge is tightly attached to the mounting bottom plate 213, and the right-angle edge is tightly attached to the adjusting block 204; the longitudinal section of the second reinforcing rib 214 is a right trapezoid, and the second reinforcing rib 214 is perpendicular to the sliding plate 215 and the cylinder bottom plate 213; the longer bottom edge is attached to the slide plate 215 and the right-angle edge is attached to the cylinder bottom plate 213.

A first stopper 212 is provided at the front end of each third cylinder 203.

The sliding plate is characterized by further comprising two second limiting blocks 217, wherein the two second limiting blocks 217 are respectively arranged at two ends of the side surface of the sliding plate 215, and a buffering structure 219 is arranged at the upper end of each second limiting block 217.

The seal 201 is connected to a third cylinder 203 via a cylinder connecting block 202.

A sealing member base 211 is provided between the sealing member 201 and the cylinder connecting block 202.

Example 5

According to the utility model discloses a concrete embodiment is right below the utility model discloses an automatic stifled hole mechanism for microphone sound insulation test carries out the detailed description.

The utility model provides an automatic hole plugging mechanism for microphone sound insulation test, which comprises a support plate positioning mechanism 1 and an automatic hole plugging module 2, wherein the automatic hole plugging module 2 is arranged at the opening of a bottom plate 108 of the support plate positioning mechanism 1; the microphone to be tested is arranged on the product to be tested 111;

the carrier plate 110 is horizontally placed and comprises an upper surface, a lower surface and a side surface, the carrier plate 110 is provided with an imitated groove matched with a product to be detected, and the edge of the carrier plate 110 is provided with a plurality of fixing blocks 218;

the positioning block 101 and the carrier plate 110 are located on the same horizontal plane, the positioning block 101 is independent of the carrier plate 110 and is arranged close to the side surface of the carrier plate 110, the first cylinder 102 is connected with the positioning block 101, and the first cylinder 102 is located below the positioning block 101;

the carrier 110 has four sides, four corners are defined by the four sides, three corners of the carrier 110 are provided with fixing blocks 218, the cross section of the positioning block 101 is Y-shaped, the positioning block 101 is close to the corner of the carrier 110 where the fixing block 218 is not provided, and the fixing block 218 and the carrier 110 are integrally formed or separately arranged.

The first air cylinder 102 drives the positioning block 101 to move horizontally, the positioning block 101 can abut against a product to be detected, and the product to be detected abuts against the fixing block 218 of the carrier plate 110 to clamp the product to be detected; the first cylinder 102 is a side pressure cylinder;

a bottom plate 108 is arranged below the carrier plate 110, a plurality of support columns 106 are arranged between the carrier plate 110 and the bottom plate 108, and an opening is arranged in the middle of the bottom plate 108;

the first cylinder 102 is mounted on the upper surface of the bottom plate 108;

the bottom plate 108 is disposed on the upper surface of the carrier base 104; the cylinder base 103 is provided on the bottom plate 108, and the first cylinder 102 is mounted on the cylinder base 103.

The carrier 110 has a carrier stiffener 109 disposed on a lower surface thereof, the carrier stiffener 109 and the carrier 110 have the same shape, and the support posts 106 are disposed between the carrier stiffener 109 and the bottom plate 108.

A shock absorption foot pad 107 is arranged at the joint of the carrier plate reinforcing block 109 and the supporting column 106.

Automatic stifled hole module 2 includes: a second cylinder 210, a plurality of third cylinders 203, a plurality of seals 201, a mounting base plate 205, a cylinder base plate 213, an adjustment block 204, a slide plate 215, and a slide rail 216;

the mounting bottom plate 205 is located at the lowest end of the automatic hole plugging module 2 and is a thin plate with a U-shaped longitudinal section, and one end of the opening is upward;

the second cylinder 210 is fixed on one side surface of the mounting base plate 205 parallel to the U-shaped section, and the slide rail 216 is arranged on the other side surface of the mounting base plate 205 opposite to the second cylinder 210;

the adjusting block 204 is positioned on the upper surface of the mounting base plate 205 and forms an L-shaped connecting structure with the mounting base plate 205;

the adjusting block 204 is a strip-shaped thin plate with an opening on the long side;

a cylinder bottom plate 213 is arranged at the upper end of the slide rail 216; the cylinder bottom plate 213 and the adjusting block 204 are respectively positioned at two sides of the U-shaped section of the mounting bottom plate 205 in the vertical direction, and a plurality of third cylinders 203 are mounted on the upper surface of the cylinder bottom plate 213;

the second cylinder 210 is connected with a cylinder bottom plate 213;

the sealing elements 201 are connected with the third cylinders 203 in a one-to-one correspondence manner, and the sealing elements 201 are driven by the third cylinders 203 connected with the sealing elements;

the sliding plate 215 is connected with the cylinder bottom plate 213 and is positioned on the lower surface of the cylinder bottom plate 213, and forms an L-shaped connecting structure with the cylinder bottom plate 213;

the sliding plate 215 is connected with the second cylinder 210 and is driven by the second cylinder 210 to move along the sliding rail 216;

the number of the third cylinder 203 and the sealing member 201 is the same as or less than the number of the holes of the microphone to be tested.

The second cylinder is connected with 210 cylinder bottom plate 213 through pulling force panel beating 207, and pulling force panel beating 207 is located the opening part of regulating block 204, and pulling force panel beating 207's one end is connected with cylinder bottom plate 213, and pulling force panel beating 207's the other end is connected with second cylinder 210 through floating joint 208.

A first reinforcing rib 209 is arranged between the mounting bottom plate 213 and the adjusting block 204; a second reinforcing rib 214 is arranged between the sliding plate 215 and the cylinder bottom plate 213; the longitudinal section of the first reinforcing rib 209 is a right trapezoid, and the first reinforcing rib 209 is perpendicular to the mounting base plate 213 and the adjusting block 204; the longer bottom edge is tightly attached to the mounting bottom plate 213, and the right-angle edge is tightly attached to the adjusting block 204; the longitudinal section of the second reinforcing rib 214 is a right trapezoid, and the second reinforcing rib 214 is perpendicular to the sliding plate 215 and the cylinder bottom plate 213; the longer bottom edge is attached to the slide plate 215 and the right-angle edge is attached to the cylinder bottom plate 213.

A first stopper 212 is provided at the front end of each third cylinder 203.

The sliding plate is characterized by further comprising two second limiting blocks 217, wherein the two second limiting blocks 217 are respectively arranged at two ends of the side surface of the sliding plate 215, and a buffering structure 219 is arranged at the upper end of each second limiting block 217.

The seal 201 is connected to a third cylinder 203 via a cylinder connecting block 202.

A sealing element base 211 is arranged between the sealing element 201 and the cylinder connecting block 202;

a plurality of buffer blocks 105 are arranged on one side of the upper surface of the bottom plate 108 close to the first air cylinder 102, and the number of the buffer blocks 105 is the same as that of the third air cylinders 203;

the second air cylinder 210 can drive the sliding plate 215 to move on the sliding rail 216, and the air cylinder bottom plate 213 passes through the opening of the bottom plate 108 through the tension metal plate 207, and stops moving when the second limiting block 217 contacts with the adjusting block 204, so that the sealing member 201 is aligned with the microphone hole;

the third cylinder 203 is a sliding table cylinder, the third cylinder 203 can drive the corresponding sealing element 201 to move in the horizontal direction, and the first limiting block 212 stops moving when contacting with the buffer block 105, so that the corresponding microphone hole is blocked by the sealing element 201.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention is included in the protection scope of the present invention.

Claims (12)

1. A carrier plate positioning mechanism for microphone sound insulation test is characterized by comprising a carrier plate, a positioning block and a first cylinder, wherein the carrier plate is provided with a first air cylinder;

the support plate is horizontally arranged and comprises an upper surface, a lower surface and a side surface, an imitated groove matched with a product to be detected is arranged on the support plate, and a plurality of fixing blocks are arranged at the edge of the support plate;

the positioning block and the carrier plate are positioned on the same horizontal plane, the positioning block is independent of the carrier plate and is arranged close to the side face of the carrier plate, the first cylinder is connected with the positioning block, and the first cylinder is positioned below the positioning block;

the first cylinder drives the positioning block to move in the horizontal direction, the positioning block can abut against a product to be detected, the product to be detected abuts against a fixing block of the carrier plate, and the product to be detected is clamped; the first cylinder is a lateral pressure cylinder;

a bottom plate is arranged below the carrier plate, a plurality of support columns are arranged between the carrier plate and the bottom plate, and an opening is formed in the middle of the bottom plate;

the first cylinder is arranged on the upper surface of the bottom plate;

the bottom plate is arranged on the upper surface of the carrier plate base.

2. The positioning mechanism of claim 1, wherein the carrier has four edges, and four corners of the carrier are surrounded by the four edges, fixing blocks are disposed on the three corners of the carrier, the positioning block is close to the corner of the carrier where no fixing block is disposed, and the fixing block is integrally formed with or separated from the carrier.

3. The carrier positioning mechanism of claim 2, wherein the positioning block has a Y-shaped cross-section.

4. The carrier board positioning mechanism for microphone sound insulation test of claim 3, wherein a cylinder base is provided on the upper surface of the bottom board, and the first cylinder is mounted on the cylinder base.

5. The carrier board positioning mechanism for microphone isolation test as claimed in claim 4, wherein the carrier board has a carrier board stiffener disposed on a lower surface thereof, the carrier board stiffener is identical to the carrier board in shape, and the supporting posts are disposed between the carrier board stiffener and the bottom board.

6. The carrier board positioning mechanism for microphone isolation test as claimed in claim 5, wherein a shock pad is disposed at the connection of the carrier board reinforcing block and the supporting pillar.

7. An automatic hole plugging mechanism for microphone sound insulation test, comprising the carrier board positioning mechanism of any one of claims 1 to 6, and further comprising an automatic hole plugging module, wherein the automatic hole plugging module comprises: the device comprises a second cylinder, a plurality of third cylinders, a plurality of sealing elements, an installation bottom plate, a cylinder bottom plate, an adjusting block, a sliding plate and a sliding rail;

the mounting bottom plate is positioned at the lowest end of the automatic hole plugging module and is a thin plate with a U-shaped longitudinal section, and one end of the opening is upward;

the second cylinder is fixed on one side surface of the mounting bottom plate parallel to the U-shaped section, and the slide rail is arranged on the other side of the mounting bottom plate opposite to the second cylinder;

the adjusting block is positioned on the upper surface of the mounting bottom plate and forms an L-shaped connecting structure with the mounting bottom plate;

the adjusting block is a strip-shaped thin plate with an opening on the long edge;

a cylinder bottom plate is arranged at the upper end part of the slide rail; the cylinder bottom plate and the adjusting block are respectively positioned at two sides of the U-shaped section of the mounting bottom plate in the vertical direction, and a plurality of third cylinders are mounted on the upper surface of the cylinder bottom plate;

the second cylinder is connected with the cylinder bottom plate;

the sealing elements are connected with the third cylinders in a one-to-one correspondence manner and driven by the third cylinders connected with the sealing elements;

the sliding plate is connected with the cylinder bottom plate and is positioned on the lower surface of the cylinder bottom plate, and the sliding plate and the cylinder bottom plate form an L-shaped connecting structure;

the sliding plate is connected with the second cylinder and is driven by the second cylinder to move along the sliding rail;

the number of the third cylinders and the sealing pieces is the same as or less than that of the holes of the microphone to be tested.

8. The automatic hole plugging mechanism for the microphone sound insulation test according to claim 7, wherein the second cylinder is connected with the cylinder bottom plate through a tension sheet metal, the tension sheet metal is located at the opening of the adjusting block, one end of the tension sheet metal is connected with the cylinder bottom plate, and the other end of the tension sheet metal is connected with the second cylinder through a floating joint.

9. The automatic hole plugging mechanism for the microphone sound insulation test according to claim 8, wherein a first reinforcing rib is arranged between the mounting base plate and the adjusting block; a second reinforcing rib is arranged between the sliding plate and the cylinder bottom plate; the longitudinal section of the first reinforcing rib is in a right trapezoid shape, and the first reinforcing rib is perpendicular to the mounting base plate and the adjusting block; the longer bottom edge is tightly attached to the mounting bottom plate, and the right-angle edge is tightly attached to the adjusting block; the longitudinal section of the second reinforcing rib is in a right trapezoid shape, and the second reinforcing rib is perpendicular to the sliding plate and the cylinder bottom plate; the longer bottom edge is attached to the sliding plate, and the right-angle edge is attached to the bottom plate of the air cylinder.

10. The automatic hole plugging mechanism for the microphone sound insulation test according to claim 9, wherein a first limiting block is arranged at the front end of each third cylinder; two ends of the side surface of the sliding plate are respectively provided with a second limiting block, and the upper end of each second limiting block is provided with a buffer structure.

11. The automatic hole plugging mechanism for microphone sound insulation test of claim 10, wherein a sealing member base is arranged between the sealing member and the cylinder connecting block, and the cylinder connecting block is connected with the third cylinder.

12. The automatic hole plugging mechanism for microphone sound insulation test according to claim 11, wherein the automatic hole plugging module is disposed at an opening of a bottom plate of the carrier positioning mechanism;

a plurality of buffer blocks are arranged on one side, close to the first air cylinder, of the upper surface of the bottom plate, and the number of the buffer blocks is the same as that of the third air cylinders;

the second cylinder can drive the sliding plate to move on the sliding rail, the cylinder bottom plate penetrates through the opening of the bottom plate through the tension metal plate, and the second cylinder stops moving when the second limiting block is in contact with the adjusting block, so that the sealing element is aligned with the microphone hole;

the third cylinder is the slip table cylinder, and the third cylinder can drive the motion of the sealing member horizontal direction that corresponds, and stop motion when first stopper and buffer block contact makes the sealing member plug up corresponding microphone hole.

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