Automatic line noise testing device

Abstract

The utility model provides an automatic line noise testing device, which belongs to the field of noise testing and comprises a soundproof box, fixing plates arranged on two sides of the bottom of the soundproof box, a silencing cotton layer arranged on the inner wall of the soundproof box, a lifting assembly arranged on the top of the inner wall of the silencing cotton layer, and a soundproof bottom plate arranged on the edge of the inner wall of the soundproof box. A through groove is formed in the middle of the sound insulation bottom plate, sliding grooves are formed in the two sides of the bottom of the sound insulation bottom plate, and sealing assemblies are arranged on the inner walls of the two sliding grooves. Two motors are matched with two bearings to drive two threaded rods to rotate, the two threaded rods drive two sets of sliding blocks with threaded hole inner walls in reverse design to move in two sliding grooves, and the two sets of sliding blocks drive two sealing plates to move till sealing gaskets at the opposite ends of the two sealing plates make contact so as to seal a through groove of a sound insulation bottom plate. Therefore, the sealing performance in the soundproof box is improved.

Description

Technical Field

[0001] The utility model relates to the field of noise testing, in particular to an automatic line noise testing device. Background Art

[0002] During the production process of electronic products, there are power components and related accessories coupled with the power components inside, which will generate certain noise during operation. By detecting the noise, it is possible to quickly determine whether the function of the electronic product is normal. If noise outside the design is detected, it means that a certain degree of failure has occurred in the operation of the electronic product. Therefore, a special detection station is set up on the production line to perform noise testing on the electronic products. After searching the application number CN202023037878.2, a noise testing device is disclosed, which records a soundproof box with a test product placement position provided in the soundproof box; a noise sensor is arranged in the soundproof box; a pressing element is arranged in the soundproof box, which can quickly and conveniently test the noise value generated by pressing the battery, and the test data is highly accurate. However, the above description still has the following defects in actual use: the current noise testing device cannot perform noise detection on products on the automated production line when in use, and there is a lack of sealing between the structures. Therefore, it is necessary to design an automatic line noise testing device with a lifting function and a good sealing structure. Utility Model Content

[0003] The purpose of the utility model is to provide an automatic line noise testing device to solve the problems raised by the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic line noise testing device, comprising a soundproof box, both sides of the bottom of the soundproof box are provided with fixing plates, the inner wall of the soundproof box is provided with a sound-absorbing cotton layer, the top of the inner wall of the sound-absorbing cotton layer is provided with a lifting component, the edge of the inner wall of the soundproof box is provided with a soundproof bottom plate, the middle of the soundproof bottom plate is provided with a through groove, both sides of the bottom of the soundproof bottom plate are provided with sliding grooves, and the inner walls of the two sliding grooves are provided with closing components;

[0005] The lifting assembly includes two groups of first electric telescopic rods installed on the top of the inner wall of the sound-absorbing cotton layer, the telescopic ends of the two groups of the first electric telescopic rods are fixedly connected with connecting rods, the bottoms of the two groups of connecting rods are fixedly connected to the two sides of the tops of the two mounting plates, the bottoms of the two mounting plates on the opposite sides are fixedly connected to the two ends of the two strip blocks, the tops of the two strip blocks are provided with strip grooves, the two sides of the inner walls of the two strip grooves are fixedly connected with first electric push rods, the telescopic ends of the two groups of the first electric push rods are fixedly connected to the support blocks fixedly connected to the two sides of the bottoms of the two support plates, the middle parts of the two mounting plates on the opposite sides are provided with T-slots, and the inner walls of the two T-slots are provided with clamping assemblies.

[0006] The closing assembly includes two motors installed on one side of the inner wall of the two slide grooves, the output shafts of the two motors are fixedly connected with threaded rods, the other ends of the two threaded rods are rotatably connected to the other side of the inner wall of the two slide grooves through bearings, the surfaces of the two threaded rods are threadedly connected to the two groups of sliders through mounting nuts, the bottoms of the two groups of sliders are fixedly connected to the two sides of the tops of the two sealing plates, and the tops of the two sealing plates are slidably connected to the surface of the sound insulation bottom plate.

[0007] As a preferred solution of the utility model: the clamping assembly includes two T-blocks installed on the inner walls of two T-slots, the tops of the two T-blocks are fixedly connected to the telescopic ends of the two second electric telescopic rods, the tops of the two second electric telescopic rods are fixedly connected to the surfaces of the two groups of connecting rods through connecting blocks, the opposite sides of the two T-blocks are fixedly connected to the second electric push rods, the telescopic ends of the two second electric push rods are fixedly connected to clamping blocks, and the opposite sides of the two clamping blocks are provided with protective pads.

[0008] As a preferred solution of the utility model: auxiliary plates are arranged on the surfaces of the two groups of the first electric telescopic rods, and a noise sensor is arranged in the middle of the bottom of the auxiliary plates.

[0009] As a preferred solution of the utility model: the sides of the two mounting plates are interlaced and connected with the inner wall of the through groove, and rubber gaskets are arranged at the bottom of the two mounting plates and the strip block.

[0010] As a preferred solution of the utility model: threaded holes are provided on both sides of the two groups of sliding blocks, and the inner walls of the threaded holes on the surfaces of the two sliding blocks in the same two sliding grooves are designed in reverse.

[0011] As a preferred solution of the utility model: the tops of the inner walls of the two T-slots are each provided with a through hole, and the inner walls of the through hole are interlaced and connected with the telescopic end of the second electric telescopic rod.

[0012] As a preferred solution of the utility model: a conveyor belt is arranged in the area between the two fixed plates, and the top of the conveyor belt can abut against the bottom of the rubber gasket.

[0013] As a preferred solution of the utility model: a control panel is provided on the surface of the sound insulation box, a display screen is provided on the surface of the control panel, and the first electric telescopic rod, the first electric push rod, the motor, the second electric telescopic rod and the second electric push rod are all electrically connected to an external power supply through the control panel.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] (1) The two first electric telescopic rods cooperate with the two connecting rods to drive the two mounting plates to move and pass through the through slots until the two mounting plates and the rubber washers at the bottom of the strip blocks contact the surface of the conveyor belt. The two second electric push rods drive the two clamping blocks to move. The two clamping blocks cooperate with the two protective pads to clamp and fix the product. The two second electric telescopic rods at the bottom of the two connecting blocks drive the two T-blocks to move in the two T-slots. The two T-blocks cooperate with the clamping blocks to drive the product upward. At this time, the two first electric push rods drive the two groups of support blocks to move in the strip slots on the two strip blocks. The two groups of support blocks drive the two support plates to move, so that the two support plates move to the bottom of the product to prevent the product from falling during the test. The noise sensor at the bottom of the auxiliary plate is used to detect the noise of the product.

[0016] (2) Two motors cooperate with two bearings to drive two threaded rods to rotate, and the two threaded rods drive two sets of sliders with reverse design on the inner walls of threaded holes to move in two slide grooves. The two sets of sliders drive two sealing plates to move until the sealing gaskets at the opposite ends of the two sealing plates contact each other, thereby sealing the through groove of the sound insulation bottom plate, thereby improving the sealing inside the sound insulation box. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 This is one of the structural schematic diagrams of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the lifting assembly and the clamping assembly of the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the enclosed component of the utility model.

[0021] In the figure: 1. soundproof box; 11. fixing plate; 12. sound-absorbing cotton layer; 13. soundproof bottom plate; 14. through groove; 15. slide groove; 16. conveyor belt; 17. control panel; 2. lifting assembly; 21. first electric telescopic rod; 22. connecting rod; 23. mounting plate; 24. strip block; 25. strip groove; 26. first electric push rod; 27. support plate; 28. support block; 29. ​​T-slot; 210. auxiliary plate; 211. noise sensor; 212. rubber gasket; 213. through hole; 3. closing assembly; 31. motor; 32. threaded rod; 33. bearing; 34. slider; 35. sealing plate; 4. clamping assembly; 41. T-block; 42. second electric telescopic rod; 43. connecting block; 44. second electric push rod; 45. clamping block; 46. protective pad. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 4 An automatic line noise testing device comprises a soundproof box 1, both sides of the bottom of the soundproof box 1 are provided with fixing plates 11, the inner wall of the soundproof box 1 is provided with a sound-absorbing cotton layer 12, the top of the inner wall of the sound-absorbing cotton layer 12 is provided with a lifting component 2, the edge of the inner wall of the soundproof box 1 is provided with a soundproof bottom plate 13, the middle of the soundproof bottom plate 13 is provided with a through groove 14, both sides of the bottom of the soundproof bottom plate 13 are provided with slide grooves 15, and the inner walls of the two slide grooves 15 are provided with a closing component 3;

[0024] See also Figure 3 The lifting assembly 2 includes two groups of first electric telescopic rods 21 installed on the top of the inner wall of the sound-absorbing cotton layer 12, the telescopic ends of the two groups of first electric telescopic rods 21 are fixedly connected with connecting rods 22, the bottoms of the two groups of connecting rods 22 are fixedly connected to the two sides of the tops of the two mounting plates 23, the bottoms of the opposite sides of the two mounting plates 23 are fixedly connected to the two ends of the two strip blocks 24, the tops of the two strip blocks 24 are provided with strip grooves 25, the two sides of the inner walls of the two strip grooves 25 are fixedly connected with first electric push rods 26, the telescopic ends of the two groups of first electric push rods 26 are fixedly connected to the support blocks 28 fixedly connected to the two sides of the bottoms of the two support plates 27, the middle parts of the opposite sides of the two mounting plates 23 are provided with T-slots 29, and the inner walls of the two T-slots 29 are provided with clamping assemblies 4.

[0025] When in use, the two sets of first electric telescopic rods 21 cooperate with the two sets of connecting rods 22 to drive the two mounting plates 23 to move and pass through the through slots 14 until the two mounting plates 23 and the rubber washers 212 at the bottom of the strip blocks 24 contact the surface of the conveyor belt 16, the two second electric push rods 44 drive the two clamping blocks 45 to move, the two clamping blocks 45 cooperate with the two protective pads 46 to clamp and fix the product, the two second electric telescopic rods 42 at the bottom of the two connecting blocks 43 drive the two T-blocks 41 to move in the two T-slots 29, and the two The T-block 41 cooperates with the clamping block 45 to drive the product upward. At this time, the two first electric push rods 26 drive the two groups of support blocks 28 to move in the strip grooves 25 on the two strip blocks 24. The two groups of support blocks 28 drive the two support plates 27 to move, so that the two support plates 27 move to the bottom of the product to prevent the product from falling during the test. Then, the two groups of first electric telescopic rods 21 cooperate with the connecting structure to lift the product into the soundproof box 1, and cooperate with the noise sensor 211 at the bottom of the auxiliary plate 210 to detect noise on the product.

[0026] See also Figure 4 The closing component 3 includes two motors 31 installed on one side of the inner wall of the two slide grooves 15, the output shafts of the two motors 31 are fixedly connected with threaded rods 32, the other ends of the two threaded rods 32 are rotatably connected to the other side of the inner wall of the two slide grooves 15 through bearings 33, the surfaces of the two threaded rods 32 are threadedly connected to the two groups of sliders 34 through mounting nuts, the bottoms of the two groups of sliders 34 are fixedly connected to the two sides of the tops of the two sealing plates 35, and the tops of the two sealing plates 35 are slidably connected to the surface of the sound insulation bottom plate 13.

[0027] During specific use: two motors 31 cooperate with two bearings 33 to drive the two threaded rods 32 to rotate, and the two threaded rods 32 drive two groups of sliders 34 with reversely designed inner walls of threaded holes to move in two slide grooves 15, and the two groups of sliders 34 drive the two sealing plates 35 to move until the sealing gaskets at the opposite ends of the two sealing plates 35 contact to seal the through groove 14 of the sound insulation bottom plate 13, thereby improving the sealing of the inside of the sound insulation box 1.

[0028] See also Figure 3 The clamping assembly 4 includes two T-blocks 41 installed on the inner walls of the two T-slots 29, the tops of the two T-blocks 41 are fixedly connected to the telescopic ends of the two second electric telescopic rods 42, the tops of the two second electric telescopic rods 42 are fixedly connected to the surfaces of the two groups of connecting rods 22 through connecting blocks 43, the opposite sides of the two T-blocks 41 are fixedly connected to the second electric push rods 44, the telescopic ends of the two second electric push rods 44 are fixedly connected to the clamping blocks 45, and the opposite sides of the two clamping blocks 45 are provided with protective pads 46.

[0029] During specific use: the two second electric push rods 44 drive the two clamping blocks 45 to move, and the two clamping blocks 45 cooperate with the two protective pads 46 to clamp and fix the product. The two second electric telescopic rods 42 at the bottom of the two connecting blocks 43 drive the two T-blocks 41 to move in the two T-slots 29. The two T-blocks 41 cooperate with the clamping blocks 45 to drive the product to move upward. At this time, the two first electric push rods 26 drive the two groups of support blocks 28 to move in the strip grooves 25 on the two strip blocks 24. The two groups of support blocks 28 drive the two support plates 27 to move, so that the two support plates 27 move to the bottom of the product to prevent the product from falling during the test.

[0030] See also Figure 3 An auxiliary plate 210 is provided on the surface of the two groups of first electric telescopic rods 21 , and a noise sensor 211 is provided in the middle of the bottom of the auxiliary plate 210 .

[0031] When used specifically, the noise sensor 211 at the bottom of the auxiliary board 210 is convenient for detecting noise of the product.

[0032] See also Figure 2 , Figure 3 The sides of the two mounting plates 23 are interlaced and connected with the inner wall of the through groove 14 , and rubber gaskets 212 are provided at the bottom of the two mounting plates 23 and the strip block 24 .

[0033] When used specifically, the two mounting plates 23 and the rubber gasket 212 at the bottom of the strip block 24 can prevent the structure from causing damage to the surface of the conveyor belt 16 .

[0034] See also Figure 4 Threaded holes are provided on both sides of the two sets of sliders 34, and the inner walls of the threaded holes on the surfaces of the two sliders 34 in the same two slide grooves 15 are designed in reverse.

[0035] During specific use, the inner walls of the threaded holes on the surfaces of the two sliders 34 in the same two slide grooves 15 are designed in reverse order, so that the two groups of sliders 34 can drive the two sealing plates 35 to move toward each other.

[0036] See also Figure 3 The tops of the inner walls of the two T-shaped slots 29 are each provided with a through hole 213 , and the inner walls of the through hole 213 are interlaced and connected with the telescopic end of the second electric telescopic rod 42 .

[0037] During specific use: the telescopic end of the second electric telescopic rod 42 is inserted and connected with the inner wall of the through hole 213, so as to facilitate local adjustment of the clamping height of the product.

[0038] See also Figure 3 A conveyor belt 16 is disposed in the area between the two fixing plates 11 , and the top of the conveyor belt 16 can abut against the bottom of the rubber gasket 212 .

[0039] During specific use, the top of the conveyor belt 16 can abut against the bottom of the rubber gasket 212 , which can prevent the bottom of the mounting plate 23 and the strip block 24 from wearing the surface of the conveyor belt 16 .

[0040] See also Figure 1 A control panel 17 is provided on the surface of the soundproof box 1, and a display screen is provided on the surface of the control panel 17. The first electric telescopic rod 21, the first electric push rod 26, the motor 31, the second electric telescopic rod 42 and the second electric push rod 44 are all electrically connected to an external power supply through the control panel 17.

[0041] During specific use: the control panel 17 is used to control the first electric telescopic rod 21, the first electric push rod 26, the motor 31, the second electric telescopic rod 42 and the second electric push rod 44, so that the device can lift and seal the product to achieve noise testing.

[0042] When in use, the two groups of first electric telescopic rods 21 cooperate with the two groups of connecting rods 22 to drive the two mounting plates 23 to move and pass through the through slot 14 until the two mounting plates 23 and the rubber gaskets 212 at the bottom of the strip blocks 24 contact the surface of the conveyor belt 16, and the two second electric push rods 44 drive the two clamping blocks 45 to move, and the two clamping blocks 45 cooperate with the two protective pads 46 to clamp and fix the product, and the two second electric telescopic rods 42 at the bottom of the two connecting blocks 43 drive the two T-blocks 41 to move in the two T-slots 29, and the two T-blocks 41 cooperate with the clamping blocks 45 to drive the product to move upward, and at this time, the two first electric push rods 26 drive the two groups of support blocks 28 to move in the strip slots 25 on the two strip blocks 24, and the two groups of support blocks 28 drive the two The two support plates 27 are moved so that the two support plates 27 move to the bottom of the product to prevent the product from falling during the test. Then the two groups of first electric telescopic rods 21 cooperate with the connecting structure to lift the product to the inside of the soundproof box 1. The two motors 31 cooperate with the two bearings 33 to drive the two threaded rods 32 to rotate. The two threaded rods 32 drive the two groups of sliders 34 with reverse design on the inner walls of the threaded holes to move in the two slide grooves 15. The two groups of sliders 34 drive the two sealing plates 35 to move until the sealing gaskets at the opposite ends of the two sealing plates 35 contact to seal the through groove 14 of the soundproof bottom plate 13, thereby improving the sealing inside the soundproof box 1, and cooperating with the noise sensor 211 at the bottom of the auxiliary plate 210 to detect noise on the product.

[0043] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in the field. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for technical personnel in the field to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automatic line noise testing device, characterized in that: The soundproof box (1) comprises a soundproof box (1), wherein fixing plates (11) are arranged on both sides of the bottom of the soundproof box (1), a sound-absorbing cotton layer (12) is arranged on the inner wall of the soundproof box (1), a lifting component (2) is arranged on the top of the inner wall of the sound-absorbing cotton layer (12), a sound-absorbing bottom plate (13) is arranged on the edge of the inner wall of the soundproof box (1), a through groove (14) is arranged in the middle of the sound-absorbing bottom plate (13), sliding grooves (15) are arranged on both sides of the bottom of the soundproof bottom plate (13), and a closing component (3) is arranged on the inner walls of the two sliding grooves (15); The lifting assembly (2) comprises two groups of first electric telescopic rods (21) installed on the top of the inner wall of the sound-absorbing cotton layer (12), the telescopic ends of the two groups of the first electric telescopic rods (21) are fixedly connected to the connecting rods (22), the bottoms of the two groups of the connecting rods (22) are fixedly connected to the two sides of the top of the two mounting plates (23), the bottoms of the two mounting plates (23) on the opposite side are fixedly connected to the two ends of the two strip blocks (24), the tops of the two strip blocks (24) are provided with strip grooves (25), the two sides of the inner walls of the two strip grooves (25) are fixedly connected to the first electric push rods (26), the telescopic ends of the two groups of the first electric push rods (26) are fixedly connected to the support blocks (28) fixedly connected to the two sides of the bottom of the two support plates (27), the middle parts of the two mounting plates (23) on the opposite side are provided with T-shaped grooves (29), and the inner walls of the two T-shaped grooves (29) are provided with clamping assemblies (4); The sealing component (3) comprises two motors (31) installed on one side of the inner wall of the two slide grooves (15), the output shafts of the two motors (31) are fixedly connected with threaded rods (32), the other ends of the two threaded rods (32) are rotatably connected to the other side of the inner wall of the two slide grooves (15) through bearings (33), the surfaces of the two threaded rods (32) are threadedly connected to the two groups of sliders (34) through mounting nuts, the bottoms of the two groups of sliders (34) are fixedly connected to the two sides of the tops of the two sealing plates (35), and the tops of the two sealing plates (35) are slidably connected to the surface of the sound insulation bottom plate (13).

2. The automatic line noise testing device according to claim 1, characterized in that: The clamping assembly (4) comprises two T-shaped blocks (41) mounted on the inner walls of the two T-shaped slots (29); the tops of the two T-shaped blocks (41) are fixedly connected to the telescopic ends of the two second electric telescopic rods (42); the tops of the two second electric telescopic rods (42) are fixedly connected to the surfaces of the two groups of connecting rods (22) through connecting blocks (43); the opposite sides of the two T-shaped blocks (41) are fixedly connected to the second electric push rods (44); the telescopic ends of the two second electric push rods (44) are fixedly connected to the clamping blocks (45); and the opposite sides of the two clamping blocks (45) are provided with protective pads (46).

3. The automatic line noise testing device according to claim 1, characterized in that: An auxiliary plate (210) is provided on the surface of the two groups of the first electric telescopic rods (21), and a noise sensor (211) is provided in the middle of the bottom of the auxiliary plate (210).

4. The automatic line noise testing device according to claim 1, characterized in that: The sides of the two mounting plates (23) are interlacedly connected with the inner wall of the through groove (14), and the bottoms of the two mounting plates (23) and the strip block (24) are provided with rubber gaskets (212).

5. The automatic line noise testing device according to claim 1, characterized in that: Threaded holes are provided on both sides of the two groups of sliders (34), and the inner walls of the threaded holes on the surfaces of the two sliders (34) in the same two slide grooves (15) are designed in reverse.

6. The automatic line noise testing device according to claim 1, characterized in that: The tops of the inner walls of the two T-shaped slots (29) are each provided with a through hole (213), and the inner walls of the through holes (213) are interlacedly connected with the telescopic end of the second electric telescopic rod (42).

7. The automatic line noise testing device according to claim 1, characterized in that: A conveyor belt (16) is provided in the area between the two fixing plates (11), and the top of the conveyor belt (16) can abut against the bottom of the rubber gasket (212).

8. The automatic line noise testing device according to claim 1, characterized in that: A control panel (17) is provided on the surface of the soundproof box (1), and a display screen is provided on the surface of the control panel (17); the first electric telescopic rod (21), the first electric push rod (26), the motor (31), the second electric telescopic rod (42) and the second electric push rod (44) are all electrically connected to an external power supply via the control panel (17).

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