Cooling glue coating device for vehicle-mounted power amplifier

Abstract

The utility model discloses a heat dissipation glue coating device of a vehicle-mounted power amplifier, which comprises a glue dispensing valve used for applying heat dissipation glue to a heat dissipation surface of the vehicle-mounted power amplifier; the mechanical arm assembly is used for driving a dispensing valve to move in the horizontal direction, and the dispensing valve is arranged on the mechanical arm assembly; and the lifting mechanism is arranged on the mechanical arm assembly, and the lifting mechanism is connected with the dispensing valve so as to drive the dispensing valve to move in the vertical direction. The heat dissipation glue coating device of the vehicle-mounted power amplifier can realize automatic coating of heat dissipation glue of a shell of the vehicle-mounted power amplifier, and meanwhile, the coating precision of silicone grease is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of vehicle-mounted power amplifier, specifically relates to a heat dissipation adhesive coating device of vehicle-mounted power amplifier. BACKGROUND

[0002] In the existing automobile modification market, automobile sound modification occupies a large share, and vehicle-mounted power amplifier must be used in the vehicle-mounted sound modification process. The vehicle-mounted power amplifier is an audio power amplifier in the vehicle-mounted audio system, and the function of the vehicle-mounted power amplifier is to select and pretreat the audio input signal, and to perform power amplification to enable the electric signal to have the ability to drive the loudspeaker.

[0003] The vehicle-mounted power amplifier generally comprises a shell for accommodating a circuit board and a cover plate, and the circuit board chip heat dissipation surface often needs to be in contact with the shell by using heat dissipation adhesive to dissipate heat from the circuit board. At present, the heat dissipation adhesive is generally applied by hand, but this way has poor efficiency and consistency. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model provides a heat dissipation adhesive coating device of vehicle-mounted power amplifier, which has high coating efficiency.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A heat dissipation adhesive coating device of vehicle-mounted power amplifier comprises:

[0007] A dispensing valve is used to apply heat dissipation adhesive to the heat dissipation surface of the vehicle-mounted power amplifier;

[0008] A mechanical arm assembly is used to drive the dispensing valve to move in the horizontal direction, and the dispensing valve is arranged on the mechanical arm;

[0009] A lifting mechanism is arranged on the mechanical arm assembly, and the lifting mechanism and the dispensing valve are connected to drive the dispensing valve to move in the vertical direction.

[0010] In a preferred embodiment, the heat dissipation adhesive coating device further comprises a conveying mechanism for conveying the vehicle-mounted power amplifier, and the dispensing valve is located above the conveying mechanism.

[0011] In a preferred embodiment, a carrier mounting seat is arranged on the conveying mechanism, and the shell of the vehicle-mounted power amplifier is arranged on the carrier mounting seat through a carrier.

[0012] In a preferred embodiment, the mechanical arm assembly comprises a base, a first mechanical arm rotatably arranged on the base, and a second mechanical arm rotatably arranged on one end of the first mechanical arm away from the base, and the second mechanical arm is connected with the dispensing valve.

[0013] In a preferred embodiment, the lifting mechanism comprises a threaded rod fixedly connected with the glue valve, the threaded rod has external threads, and the second mechanical arm has internal threads, the external threads and the internal threads are matched to drive the glue valve to move in the up-down direction.

[0014] In a preferred embodiment, the heat-dissipating glue coating device further comprises a heat-dissipating glue supply assembly having a glue outlet, and the glue valve has a glue injection opening, the glue outlet and the glue injection opening are communicated through a pipeline.

[0015] In a preferred embodiment, the heat-dissipating glue supply assembly comprises a first extrusion mechanism, a heat-dissipating glue storage cavity located below the first extrusion mechanism, and a second extrusion mechanism, and a transition cavity is arranged between the second extrusion mechanism and the heat-dissipating glue storage cavity.

[0016] In a more preferred embodiment, the first extrusion mechanism comprises a cylinder, a piston and a piston rod arranged in the cylinder, and a pressing plate, the piston rod pushes the pressing plate to extrude the heat-dissipating glue in the heat-dissipating glue storage cavity into the transition cavity.

[0017] In a more preferred embodiment, the second extrusion mechanism comprises a motor, a speed reducer, a shaft coupling, and a screw self-priming pump connected with the shaft coupling, the motor drives the screw self-priming pump to rotate to inject the heat-dissipating glue from the glue outlet into the glue injection opening, and the glue outlet is arranged on the second extrusion mechanism.

[0018] In a preferred embodiment, the first extrusion mechanism is provided with a sensor for detecting the position of the piston.

[0019] In a preferred embodiment, the heat-dissipating glue coating device further comprises a controller for controlling the operating state of the cylinder.

[0020] The heat-dissipating glue coating device for the vehicle-mounted power amplifier has the following advantages compared with the prior art by adopting the above scheme.

[0021] The heat-dissipating glue coating device for the vehicle-mounted power amplifier of the utility model, mechanical arm subassembly control glue valve moves in horizontal direction, then again through lifting mechanism automatic adjustment glue valve and vehicle-mounted power amplifier shell height, like this to control coating precision, need not manual smearing heat-dissipating glue, adopt automated means to the vehicle-mounted power amplifier can carry out glue dispensing, coating efficiency is higher and use is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme of the present application, the drawings used in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort.

[0023] Figure 1 It is a perspective view of a heat dissipation glue coating device of a vehicle-mounted power amplifier according to an embodiment of the present application from another viewing angle.

[0024] Figure 2 It is a partial enlarged view of position A in the figure. Figure 1

[0025] Figure 3 It is a perspective view of a heat dissipation glue coating device of a vehicle-mounted power amplifier according to an embodiment of the present application from another viewing angle.

[0026] Figure 4 It is a partial enlarged view of position B in the figure. Figure 3

[0027] Figure 5 It is an exploded schematic view of the vehicle-mounted power amplifier.

[0028] Among them,

[0029] 100, vehicle-mounted power amplifier; 101, shell; 1011, boss; 102, cover plate; 103, circuit board.

[0030] 1, mechanical arm assembly; 11, first mechanical arm; 12, second mechanical arm; 13, base;

[0031] 2, dispensing valve; 21, glue injection port;

[0032] 3, lifting mechanism; 31, threaded rod;

[0033] 4, heat dissipation glue supply assembly; 41, first extrusion mechanism; 411, air cylinder; 412, sensor; 42, heat dissipation glue storage cavity; 43, second extrusion mechanism; 431, motor; 432, speed reducer; 433, shaft coupling; 434, lower cavity; 413, glue outlet; 44, transition cavity;

[0034] 5, controller; 6, pipeline; 7, conveying mechanism; 71, carrier; 72, carrier mounting seat; 8, support. DETAILED DESCRIPTION

[0035] ​​The preferred embodiments of the utility model are described in detail below with reference to the drawings, so that the advantages and features of the utility model can be more easily understood by the person skilled in the art. It should be noted that the description of these embodiments is used to help understand the utility model, but does not constitute a limitation on the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0036] Referring to Figures 1 to 5 As shown in the figure, the utility model provides a heat dissipation glue coating device for vehicle-mounted power amplifier, comprising: mechanical arm assembly 1, glue valve 2, lifting mechanism 3, heat dissipation glue supply assembly 4, controller 5 and conveying mechanism 7.

[0037] Further, the vehicle-mounted power amplifier 100 is a component of the vehicle-mounted audio system, which is installed in the vehicle, used to provide the audio signal feedback to the vehicle-mounted speaker to drive the speaker to carry out the electroacoustic conversion. As Figure 5 As shown in the figure, the vehicle-mounted power amplifier 100 comprises a shell 101 and a cover plate 102, which are locked by a plurality of screws, and the circuit board 103 of the vehicle-mounted power amplifier 100 is fixed between the shell 101 and the cover plate 102, and electronic components are arranged on the circuit board 103, including power amplifiers and the like, usually need to set heat dissipation glue on the shell 101 to carry out heat dissipation treatment for the heat of the components on the circuit board 103, referring to Figure 4 As shown in the figure, specifically, the heat dissipation glue is applied on the plurality of bosses 1011 of the shell 101 and is in contact with the components through the bosses 1011, and the heat dissipation glue of the embodiment is specifically thermal silicone grease.

[0038] Further, referring to Figure 1 As shown in the figure, the glue valve 2 and the lifting mechanism 3 are arranged on the mechanical arm assembly 1. The glue valve 2 is used to apply the heat dissipation glue to the heat dissipation surface of the vehicle-mounted power amplifier, and the heat dissipation surface here refers to the boss 1011. Specifically, the glue valve 2 determines the position of the boss through the cooperation of the mechanical arm assembly 1 and the lifting mechanism 3 to carry out glue dispensing on the boss 1011, wherein the mechanical arm assembly 1 is used to drive the glue valve 2 to move in the horizontal direction, and the lifting mechanism 3 is fixedly connected with the glue valve 2 to drive the glue valve 2 to move in the vertical direction.

[0039] The mechanical arm assembly 1 is used to provide multiple degrees of freedom of movement. The mechanical arm assembly 1 comprises a base 13, a first mechanical arm 11 rotatably arranged on the base 13, and a second mechanical arm 12 rotatably arranged at one end of the first mechanical arm 11 away from the base 13, the second mechanical arm 12 being connected with the glue dispensing valve 2 through the support 8, and more specifically, the first mechanical arm 11 is rotatably arranged on the base 13 about an up-down extending rotation axis, the first mechanical arm 11 and the second mechanical arm 12 are rotatably connected about another up-down extending rotation axis, so that the glue dispensing valve 2 can rotate or swing in the horizontal plane. Among them, the first mechanical arm 11 drives its movement through the first motor, the second mechanical arm 12 drives its movement through the second motor, the first motor is located in the base 13, and the second motor is located at the intersection of the first mechanical arm 11 and the second mechanical arm 12.

[0040] The lifting mechanism 3 comprises a threaded rod 31, the threaded rod 31 and the glue dispensing valve 2 are fixedly connected, and specifically, the lower end of the threaded rod 31 is fixedly connected with the support 8, and the glue dispensing valve 2 is arranged on the support 8; the threaded rod 31 has external threads, and the second mechanical arm 12 has internal threads; the threaded rod 31 is controlled to rotate upward or downward by computer software, and when the threaded rod 31 rotates upward or downward, the external threads and the internal threads cooperate to drive the glue dispensing valve 2 to move in the up-down direction. That is, in the embodiment, the glue dispensing valve 2 is driven to move in the horizontal or up-down direction by the mechanical arm assembly 1 and the lifting mechanism 3, automatic dispensing is realized, the precision of the heat dissipation adhesive coating can be guaranteed, and the coating efficiency is high.

[0041] Referring to Figure 3As shown, the purpose of the heat dissipation adhesive supply assembly 4 of the embodiment is to supply adhesive to the adhesive valve 2. The heat dissipation adhesive supply assembly 4 comprises a first extrusion mechanism 41, a heat dissipation adhesive storage cavity 42 located below the first extrusion mechanism 41, and a second extrusion mechanism 43, and a transition cavity 44 is arranged between the second extrusion mechanism 43 and the heat dissipation adhesive storage cavity 42. The first extrusion mechanism 41 and the second extrusion mechanism 43 are used to extrude heat dissipation adhesive from the heat dissipation adhesive storage cavity 42 to the adhesive valve 2. The first extrusion mechanism 41 comprises a pneumatic cylinder 411 and a pressing plate (not shown in the figure), and a piston and a piston rod are arranged in the pneumatic cylinder 411. The piston rod pushes the pressing plate to extrude the heat dissipation adhesive in the heat dissipation adhesive storage cavity 42 into the transition cavity 44. The second extrusion mechanism 43 comprises a motor 431, a speed reducer 432, a shaft coupling 433, a screw self-priming pump connected with the shaft coupling 433, a lower cavity 434, and a glue outlet 413 in communication with the lower cavity 434. The screw self-priming pump is inserted into the lower cavity 434. The screw self-priming pump adopts a screw structure to suck liquid from the inlet, compress and discharge the liquid through the rotation of the screw, and realizes the delivery of the liquid. The motor 431 drives the screw self-priming pump to rotate to draw the heat dissipation adhesive from the lower cavity 434 to the glue outlet 413. The adhesive valve 2 has an adhesive injection port 21 located at the upper end of the adhesive valve 2. The glue outlet 413 and the adhesive injection port 21 are in communication through the pipeline 6. The heat dissipation adhesive enters the adhesive injection port 21 from the glue outlet 413 through the pipeline 6 to supply the adhesive valve 2 with adhesive.

[0042] The first extrusion mechanism 41 is provided with a sensor 412 for detecting the position of the piston. When the piston moves close to the sensor 412, the sensor 412 is in a triggered state, which indicates that the heat dissipation adhesive in the heat dissipation adhesive storage cavity 42 is less. At this time, the controller 5 controls the pneumatic cylinder 411 to stop working, reminding the staff to replace the heat dissipation adhesive in the heat dissipation adhesive storage cavity. After the replacement is completed, the pneumatic cylinder 411 moves to the working starting point, and the sensor 412 is in a non-triggered state. The sensor 412 and the controller 5 are electrically connected, and the pneumatic cylinder 411 has a control valve for controlling the on-off of the airflow, and the control valve and the controller 5 are electrically connected.

[0043] The conveying mechanism 7 is used to convey the shell 101 so that the shell 101 is located below the adhesive valve 2. The conveying mechanism 7 comprises a product conveying line such as a synchronous belt. The conveying mechanism 7 comprises a plurality of carrier mounting seats 72. The shell 101 of the vehicle-mounted power amplifier 100 is arranged on the carrier mounting seat 72 through a carrier 71. When the vehicle-mounted power amplifier is replaced, only the carrier 71 needs to be replaced. The carrier 71 and the carrier mounting seat 72 can be connected by means of positioning pins and positioning holes.

[0044] The heat dissipation adhesive coating device of the embodiment has at least the following advantages:

[0045] (1) the mechanical arm assembly 1 controls the dispensing valve 2 to move in the horizontal direction, the lifting mechanism 3 controls the dispensing valve 2 to move in the up-down direction, the mechanical arm assembly 1 and the lifting mechanism 3 cooperate to drive the dispensing valve 2 to move in the horizontal and up-down directions together to control the coating precision, realize automatic glue coating, and the coating efficiency is higher;

[0046] (2) a plurality of carrier mounting seats 72 are arranged on the synchronous belt, the carrier mounting seat 72 is internally provided with a containing cavity for loading the carrier 71, the carrier 71 is provided with a shell 101, different carriers can be replaced according to different shells, the carrier mounting seat 72 does not need to be replaced, and use is more convenient;

[0047] (3) the sensor 412 can detect the amount of heat dissipation glue in the heat dissipation glue storage cavity 42 in real time, so that the heat dissipation glue storage cavity 42 is replaced in time, and a certain amount of heat dissipation glue is ensured in the heat dissipation glue storage cavity 42.

[0048] As shown in the specification and claims, the terms "comprise" and "include" only indicate the inclusion of the steps and elements explicitly identified, and these steps and elements do not constitute an exclusive list, and the method or device can also include other steps or elements. The term "and / or" used herein includes any combination of one or more related listed items.

[0049] It should be noted that, unless otherwise specified, when a certain feature is referred to as "fixed", "connected" to another feature, it can be directly fixed, connected to another feature, or indirectly fixed, connected to another feature. In addition, the up, down, left, right and other descriptions used in the utility model are only relative to the mutual position relationship of the components of the utility model in the drawings.

[0050] The above embodiments are only for illustrating the technical concept and characteristics of the utility model, and are a preferred embodiment, the purpose of which is to enable persons skilled in the art to understand the content of the utility model and implement it, and it cannot limit the protection scope of the utility model. Any equivalent transformation or modification made according to the principle of the utility model should be covered within the protection scope of the utility model.

Claims

1. A heat dissipation adhesive coating device for a vehicle-mounted power amplifier, characterized in that, include: Dispensing valve, used to apply thermal adhesive to the heat dissipation surface of the vehicle amplifier; A robotic arm assembly for driving the dispensing valve to move in a horizontal direction, the dispensing valve being disposed on the robotic arm assembly; A lifting mechanism is mounted on the robotic arm assembly, and the lifting mechanism is connected to the dispensing valve to drive the dispensing valve to move in the vertical direction.

2. The thermal adhesive coating device according to claim 1, characterized in that, The heat dissipation adhesive coating device also includes a conveying mechanism for conveying the housing of the vehicle power amplifier, and the dispensing valve is located above the conveying mechanism.

3. The heat dissipation adhesive coating device according to claim 2, characterized in that, The conveying mechanism includes a carrier mounting base, and the housing of the vehicle-mounted power amplifier is mounted on the carrier mounting base via a carrier.

4. The heat dissipation adhesive coating device according to claim 3, characterized in that, The robotic arm assembly includes a base, a first robotic arm rotatably mounted on the base, and a second robotic arm rotatably mounted on one end of the first robotic arm and away from the base, wherein the second robotic arm is connected to the dispensing valve.

5. The thermal adhesive coating apparatus according to claim 4, characterized in that, The lifting mechanism includes a threaded rod, which is fixedly connected to the dispensing valve. The threaded rod has an external thread, and the second robotic arm has an internal thread. The external thread and the internal thread cooperate to drive the dispensing valve to move in the vertical direction.

6. The thermal adhesive coating apparatus according to claim 5, characterized in that, The thermal adhesive coating device further includes a thermal adhesive supply component, which has an adhesive outlet, and the dispensing valve has an adhesive injection port. The adhesive outlet and the adhesive injection port are connected by a pipe.

7. The thermal adhesive coating apparatus according to claim 6, characterized in that, The thermal adhesive supply assembly includes a first extrusion mechanism, a thermal adhesive storage cavity, and a second extrusion mechanism. The thermal adhesive storage cavity is located below the first extrusion mechanism, and a transition cavity is provided between the second extrusion mechanism and the thermal adhesive storage cavity.

8. The thermal adhesive coating apparatus according to claim 7, characterized in that, The first extrusion mechanism includes a cylinder and a pressure plate. The cylinder is provided with a piston and a piston rod. The piston rod pushes the pressure plate to squeeze the thermal adhesive in the thermal adhesive storage cavity into the transition cavity.

9. The thermal adhesive coating apparatus according to claim 8, characterized in that, The second extrusion mechanism includes a motor, a reducer, a coupling, and a screw self-priming pump connected to the coupling. The motor drives the screw self-priming pump to rotate to inject thermal adhesive from the dispensing port into the injection port. The dispensing port is located on the second extrusion mechanism.

10. The thermal adhesive coating apparatus according to claim 9, characterized in that, The first extrusion mechanism is equipped with a sensor for detecting the position of the piston.

11. The thermal adhesive coating apparatus according to claim 8, characterized in that, The heat dissipation adhesive coating device also includes a controller for controlling the operating status of the cylinder.

Images