Polishing device for power amplifier shell machining

Abstract

The utility model discloses a polishing device for power amplifier shell machining, and relates to the technical field of power amplifier machining, the polishing device comprises a machining frame, one side of the machining frame is provided with a positioning mechanism, a second motor works to drive a second threaded rod to rotate and a movable frame to move, and a polishing assembly is driven to move; a first motor rotates to drive a first threaded rod to rotate and a supporting plate to move, the horizontal positions of the two grinding assemblies are adjusted, a first electric push rod works to drive a switching plate to rotate with a rotating rod as a fixed point, the positions of the grinding assemblies can be driven to move, and therefore the positions of the two grinding assemblies are adjusted correspondingly; the contact areas of the two grinding assemblies and the workpiece are different, when the shell plane area and the curved surface area of the workpiece are ground, different grinding assemblies can be switched to work, the problems that grinding materials fall off and a rubber roller base body deforms due to overheating of the grinding assemblies are solved, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to power amplifier processing technical field especially relates to a kind of grinding devices for power amplifier shell processing. BACKGROUND

[0002] Power amplifier refers to the given distortion rate condition, can generate maximum power output to drive certain load amplifier, in the production process of power amplifier, grinding device is needed to be used to polish the shell of power amplifier.

[0003] As the publication number CN218856468U discloses a kind of grinding devices for power amplifier shell processing, including box, the bottom of box is connected with the collection box, the side of collection box is connected with the suction fan, the side of box is connected with shell, the inside of shell is fixed with fan and activated carbon filter plate, the inside of box is provided with movable plate, the bottom of movable plate is fixed with electric push rod, the bottom of electric push rod is fixed with polishing device, the front and rear sides of box are hinged with closed door.

[0004] In prior art, when polishing, the surface of shell is polished in different places, the small curvature of part area is polished, and the use of large abrasive will cause the contact area between abrasive and workpiece to be large, resulting in the rapid increase of friction heat per unit time, the poor heat dissipation of small curvature causes surface burn, the hardness of burn area decreases, the corrosion resistance decreases, even micro-cracks are generated, which affects the insulation performance of shell. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the problem of the prior art that the use of large abrasive will cause the contact area between abrasive and workpiece to be large, resulting in the rapid increase of friction heat per unit time, the poor heat dissipation of small curvature causes surface burn, the hardness of burn area decreases, the corrosion resistance decreases, even micro-cracks are generated, which affects the insulation performance of shell, and proposes a kind of grinding device for power amplifier shell processing.

[0006] To achieve the above object, the utility model adopts the following technical scheme: a kind of grinding device for power amplifier shell processing, including processing frame, the side of processing frame is installed with positioning mechanism, the side of positioning mechanism is provided with polishing switching mechanism, polishing switching mechanism is installed in the top side of processing frame, and polishing switching mechanism includes support plate, the both sides of support plate are fixedly connected with mounting block, the one end of two mounting blocks is rotatably connected with first electric push rod, the one end of first electric push rod is rotatably connected with switching plate, the middle part of switching plate is rotatably connected with rotating rod, the one end of rotating rod is fixedly connected with the outside of support plate, and the other end of switching plate is installed with polishing assembly.

[0007] Preferably, one end of the support plate is fixedly connected with a sliding column, the other end of the sliding column is slidably connected with a moving frame, one side of the moving frame is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a first threaded rod, one end of the first threaded rod is rotatably connected to the top side of the moving frame, and the first threaded rod is in threaded connection with one end of the support plate.

[0008] Preferably, the bottom side of the moving frame is in threaded connection with a second threaded rod, one end of the second threaded rod is rotatably connected to the top side of the machining frame, and the other end of the second threaded rod is fixedly connected with a second motor.

[0009] Preferably, the bottom side of the moving frame is slidably connected with a first guide rail, and one side of the first guide rail is fixedly connected to the top side of the machining frame.

[0010] Preferably, the positioning mechanism comprises a fixed plate, one side of the fixed plate is fixedly connected to the top of the machining frame, the other side of the fixed plate is fixedly connected with a second electric push rod, one side of the second electric push rod is fixedly connected with a moving plate, one side of the moving plate is slidably connected with a second guide rail, and one side of the second guide rail is fixedly connected to the other side of the fixed plate.

[0011] Preferably, one side of the moving plate is provided with a guide groove, the inside of the guide groove is slidably connected with a moving block, and the top of the moving block is fixedly connected with a clamping plate.

[0012] Preferably, the inside of the moving block is slidably connected with a guide rod, and the end of the guide rod is fixedly connected to one side of the fixed plate.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that:

[0014] 1、in the utility model, the second motor works and drives the second threaded rod to rotate, the moving frame moves, drives the polishing assembly to move, the first motor rotates and drives the first threaded rod to rotate, the support plate moves, the horizontal position of two polishing assemblies is adjusted, the first electric push rod works, drives the switching plate to rotate with the rotating rod as the fixed point, can drive the position of the polishing assembly to move, thereby respectively adjusting the positions of two polishing assemblies, through the different contact areas of two polishing assemblies and workpieces, when the shell plane area and the curved surface area of the workpiece are polished, different polishing assemblies can be switched to work, the problems of abrasive falling off and rubber roller matrix deformation caused by overheating of the polishing assembly are reduced, and the service life is prolonged.

[0015] 2. The utility model discloses a to be processed amplifier shell is placed on the fixed plate, is moved to the moving plate through the second electric push rod work drive, in the process of moving plate movement, the sliding block slides in the inside guide groove, and the sliding block slides outside the guide rod simultaneously, thereby change the distance between two sliding blocks, drive two clamping plates to move and clamp and fix the shell, prevent the shell from deviating in the processing. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic diagram of the polishing device for power amplifier shell processing is provided for the utility model;

[0017] Figure 2 A polishing switching mechanism disassembly structure schematic diagram of the polishing device for power amplifier shell processing is provided for the utility model;

[0018] Figure 3 A support plate connecting structure schematic diagram of the polishing device for power amplifier shell processing is provided for the utility model;

[0019] Figure 4 A positioning mechanism disassembly structure schematic diagram of the polishing device for power amplifier shell processing is provided for the utility model.

[0020] Legend: 1, processing frame, 2, polishing switching mechanism, 21, switching plate, 22, sliding column, 23, first threaded rod, 24, first motor, 25, moving frame, 26, second threaded rod, 27, first guide rail, 28, second motor, 29, rotating rod, 210, polishing assembly, 211, support plate, 212, mounting block, 213, first electric push rod, 3, positioning mechanism, 31, fixed plate, 32, clamping plate, 33, sliding block, 34, guide rod, 35, moving plate, 36, second electric push rod, 37, guide groove, 38, second guide rail. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above -mentioned purpose, features and advantages of the utility model, the utility model is further explained below with the help of drawings and examples. It needs to be explained that the embodiment of the application and the features in the example can be combined mutually in the case where there is no conflict.

[0022] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, therefore, the utility model is not limited to the specific embodiment disclosed in the following disclosure.

[0023] Example one: as Figure 1 - Figure 4The utility model provides a kind of polishing device for power amplifier shell processing, including processing frame 1, the side of processing frame 1 is equipped with positioning mechanism 3, the side of positioning mechanism 3 is provided with polishing switching mechanism 2, polishing switching mechanism 2 is installed in the top side of processing frame 1, polishing switching mechanism 2 includes support plate 211, both sides of support plate 211 are fixedly connected with mounting block 212, one end of two mounting blocks 212 is rotatably connected with first electric push rod 213, one end of first electric push rod 213 is rotatably connected with switching plate 21, the middle part of switching plate 21 is rotatably connected with rotating rod 29, one end of rotating rod 29 is fixedly connected with the outside of support plate 211, and the other end of switching plate 21 is equipped with polishing assembly 210;One end of support plate 211 is fixedly connected with sliding column 22, the other end of sliding column 22 is slidably connected with moving frame 25, one side of moving frame 25 is fixedly connected with first motor 24, the output of first motor 24 is fixedly connected with first threaded rod 23, one end of first threaded rod 23 is rotatably connected in the top side of moving frame 25, and one end of first threaded rod 23 is threadedly connected with one end of support plate 211;The bottom side of moving frame 25 is threadedly connected with second threaded rod 26, one end of second threaded rod 26 is rotatably connected with the top side of processing frame 1, the other end of second threaded rod 26 is fixedly connected with second motor 28, and one side of second motor 28 is fixedly connected in the top side of processing frame 1;The bottom side of moving frame 25 is slidably connected with first guide rail 27, and one side of first guide rail 27 is fixedly connected in the top side of processing frame 1.

[0024] by the second motor 28 work drive second threaded rod 26 rotation, threaded connection moving frame 25 moves, moving frame 25 is slid on the outside of first guide rail 27, fixed moving frame 25 does linear motion, moving frame 25 movement drive the position of polishing assembly 210 moves, by first motor 24 rotation drive first threaded rod 23 rotation, threaded connection support plate 211 moves, sliding column 22 is slid on the outside of moving frame 25, fixed support plate 211 does linear motion, to adjust the horizontal position of two polishing assembly 210, it is convenient to process the different places of workpiece, by first electric push rod 213 work, both ends of first electric push rod 213 are rotatably connected on switching plate 21 and mounting block 212, drive one end of switching plate 21 to move, switching plate 21 is rotatable with rotating rod 29 as fixed point, can drive the position of polishing assembly 210 moves, to adjust the position of two polishing assembly 210 respectively, polishing assembly 210 is composed of motor and polishing roller, when using one polishing assembly 210 work, another polishing assembly 210 moves to upper portion to prevent interference, by the contact area of two polishing assembly 210 and workpiece is different, when polishing the shell plane area and curved surface area of workpiece, different polishing assembly 210 can be switched to work, reduce the problems such as abrasive shedding, rubber roller matrix deformation caused by overheating of polishing assembly 210, prolong service life.

[0025] Embodiment two: as Figure 1 and Figure 4 As shown, the positioning mechanism 3 comprises a fixed plate 31, one side of the fixed plate 31 is fixedly connected to the top of the machining rack 1, the other side of the fixed plate 31 is fixedly connected with a second electric push rod 36, one side of the second electric push rod 36 is fixedly connected with a moving plate 35, one side of the moving plate 35 is slidingly connected with a second guide rail 38, one side of the second guide rail 38 is fixedly connected to the other side of the fixed plate 31; one side of the moving plate 35 is provided with a guide groove 37, the inside of the guide groove 37 is slidingly connected with a moving block 33, the top of the moving block 33 is fixedly connected with a clamping plate 32; the inside of the moving block 33 is slidingly connected with a guide rod 34, the end of the guide rod 34 is fixedly connected with one side of the fixed plate 31.

[0026] The effect achieved by the whole embodiment is that the amplifier shell to be machined is placed on the fixed plate 31, the second electric push rod 36 is driven to move the moving plate 35, the moving plate 35 slides outside the second guide rail 38, the fixed moving plate 35 makes linear motion, the guide groove 37 is outwardly inclined, in the process of movement of the moving plate 35, the moving block 33 slides inside the guide groove 37, and the moving block 33 slides outside the guide rod 34 to make linear motion, so as to change the distance between the two moving blocks 33, drive the two clamping plates 32 to move to clamp and fix the shell, and prevent the shell from deviating during machining.

[0027] The working principle and method of using the device are as follows: the amplifier shell to be machined is placed on the fixed plate 31, the second electric push rod 36 is driven to move the moving plate 35, in the process of movement of the moving plate 35, the moving block 33 slides inside the guide groove 37, and the moving block 33 slides outside the guide rod 34, so as to change the distance between the two moving blocks 33, drive the two clamping plates 32 to move to clamp and fix the shell, the second motor 28 is driven to work to drive the second threaded rod 26 to rotate, the moving frame 25 moves to drive the position of the polishing assembly 210 to move, the first motor 24 is driven to rotate to drive the first threaded rod 23 to rotate, the support plate 211 moves to adjust the horizontal position of the two polishing assemblies 210, the first electric push rod 213 is driven to work to drive one end of the switching plate 21 to move, the switching plate 21 rotates around the rotating rod 29 as a fixed point, which can drive the position of the polishing assembly 210 to move, so as to respectively adjust the positions of the two polishing assemblies 210, the polishing assembly 210 is composed of a motor and a polishing roller, and different polishing assemblies 210 are switched to work to machine the workpiece.

[0028] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A grinding apparatus for processing the housing of a power amplifier, comprising a processing frame (1), characterized in that: A positioning mechanism (3) is installed on one side of the processing frame (1), and a grinding switching mechanism (2) is provided on one side of the positioning mechanism (3). The grinding switching mechanism (2) is installed on the top side of the processing frame (1). The grinding switching mechanism (2) includes a support plate (211). Mounting blocks (212) are fixedly connected to both sides of the support plate (211). A first electric push rod (213) is rotatably connected to one end of the two mounting blocks (212). A switching plate (21) is rotatably connected to one end of the first electric push rod (213). A rotating rod (29) is rotatably connected to the middle of the switching plate (21). One end of the rotating rod (29) is fixedly connected to the outside of the support plate (211). A grinding assembly (210) is installed at the other end of the switching plate (21).

2. The grinding device for processing the housing of a power amplifier according to claim 1, characterized in that: A sliding column (22) is fixedly connected to one end of the support plate (211), and a movable frame (25) is slidably connected to the other end of the sliding column (22). A first motor (24) is fixedly connected to one side of the movable frame (25), and a first threaded rod (23) is fixedly connected to the output end of the first motor (24). One end of the first threaded rod (23) is rotatably connected to the top side of the movable frame (25), and the outside of the first threaded rod (23) is threadedly connected to one end of the support plate (211).

3. The grinding device for processing the housing of a power amplifier according to claim 2, characterized in that: The bottom side of the movable frame (25) is threaded with a second threaded rod (26). One end of the second threaded rod (26) is rotatably connected to the top side of the processing frame (1). The other end of the second threaded rod (26) is fixedly connected to a second motor (28). One side of the second motor (28) is fixedly connected to the top side of the processing frame (1).

4. The grinding device for processing the housing of a power amplifier according to claim 2, characterized in that: The bottom side of the movable frame (25) is slidably connected to a first guide rail (27), and one side of the first guide rail (27) is fixedly connected to the top side of the processing frame (1).

5. The grinding device for processing the housing of a power amplifier according to claim 1, characterized in that: The positioning mechanism (3) includes a fixed plate (31), one side of which is fixedly connected to the top of the processing frame (1), and the other side of which is fixedly connected to a second electric push rod (36). One side of the second electric push rod (36) is fixedly connected to a moving plate (35), and one side of the moving plate (35) is slidably connected to a second guide rail (38). One side of the second guide rail (38) is fixedly connected to the other side of the fixed plate (31).

6. The grinding device for processing the housing of a power amplifier according to claim 5, characterized in that: A guide groove (37) is provided on one side of the movable plate (35), and a movable block (33) is slidably connected inside the guide groove (37). A clamping plate (32) is fixedly connected to the top of the movable block (33).

7. A grinding device for processing a power amplifier housing according to claim 6, characterized in that: The movable block (33) has a guide rod (34) slidably connected inside, and the end of the guide rod (34) is fixedly connected to one side of the fixed plate (31).

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