PCB cleaning equipment

Abstract

The utility model relates to the technical field of PCB (printed circuit board) processing equipment, and discloses PCB cleaning equipment, which comprises a dryer provided with an accommodating cavity; the conveying device comprises a first conveying assembly, a second conveying assembly and a third conveying assembly, the first conveying assembly and the second conveying assembly penetrate through the containing cavity and extend in the direction away from the drying machine, the conveying directions are opposite, and the third conveying assembly is movably arranged at the extending ends of the first conveying assembly and the second conveying assembly; the third conveying assembly is provided with a first moving position and a second moving position, when the third conveying assembly is located at the first moving position, the third conveying assembly is aligned with the first conveying assembly and can receive the PCBs on the first conveying assembly, and when the third conveying assembly is located at the second moving position, the third conveying assembly is aligned with the second conveying assembly and can receive the PCBs on the second conveying assembly. And the received PCBs can be conveyed to the second conveying assembly, so that the PCBs are dried for the second time. The PCB cleaning equipment provided by the utility model can realize secondary drying and is compact in structure.

Description

Technical Field

[0001] The utility model belongs to the technical field of PCB board processing equipment, and particularly relates to a PCB board cleaning device. Background Art

[0002] A PCB (Printed Circuit Board) is one of the indispensable components in electronic devices. In its manufacturing process, it needs to go through multiple processes, including cleaning and drying steps. Traditional PCB board cleaning is mostly done manually and requires manual movement to the drying area, which greatly affects production efficiency. For this reason, automated devices for PCB board cleaning and drying have been introduced on the market. However, such devices usually adopt a single drying process, that is, the PCB board directly enters the dryer for one-time drying after being cleaned. Due to the complex structure of the PCB board, such single-time drying often fails to completely remove the residual moisture, resulting in a decline in product quality. Content of the Utility Model

[0003] The purpose of the utility model is to provide a PCB board cleaning device with a compact structure and capable of realizing secondary drying of PCB boards in view of the above problems existing in the prior art.

[0004] The purpose of the utility model can be achieved by the following technical solutions. A PCB board cleaning device for cleaning and drying PCB boards includes:

[0005] A dryer, the dryer is provided with a receiving cavity for drying the PCB board, and both ends of the receiving cavity communicate with the outside;

[0006] A conveying device, the conveying device includes a first conveying component, a second conveying component and a third conveying component for conveying the PCB board. The first conveying component and the second conveying component respectively pass through the receiving cavity and extend away from the dryer. The conveying directions of the first conveying component and the second conveying component are opposite. The third conveying component is movably arranged at the extension ends of the first conveying component and the second conveying component and has a first moving position and a second moving position. When the third conveying component is in the first moving position, the third conveying component is aligned with the first conveying component and can receive the PCB board on the first conveying component. When the third conveying component is in the second moving position, the third conveying component is aligned with the second conveying component and can convey the received PCB board to the second conveying component, so that the PCB board is dried twice.

[0007] In the above-mentioned PCB board cleaning device, the first conveying component is horizontally arranged above the second conveying component and longitudinally aligned with the second conveying component, and the third conveying component moves between the first conveying component and the second conveying component in a direction perpendicular to the first conveying component and the second conveying component.

[0008] In the above-mentioned PCB board cleaning device, the first conveying component and the second conveying component have the same structure, and both include a conveying bracket and a transmission chain. The conveying bracket includes a first bracket and a second bracket that are arranged oppositely and have a gap. The transmission chain is movably arranged along the length direction of the first bracket and / or the second bracket, forms a support for the PCB board between the first bracket and the second bracket, and drives the PCB board to move along the length direction of the conveying bracket.

[0009] In the above-mentioned PCB board cleaning device, the conveying device includes a support frame arranged below the dryer and extending into the accommodating cavity. The support frame includes a first support plate arranged below the first conveying component and a second support plate arranged below the second conveying component, and the first support plate and the second support plate respectively extend along the length direction of the conveying bracket.

[0010] In the above-mentioned PCB board cleaning device, the conveying device further includes two groups of adjusting structures respectively detachably arranged on the first support plate and the second support plate. The adjusting structure includes a sliding block connected to the first bracket and an adjusting rod connected to the sliding block and driving the sliding block to drive the first bracket to move towards or away from the second bracket.

[0011] In the above-mentioned PCB board cleaning device, the third conveying component includes a conveying structure and a lifting structure. The conveying structure is adapted to the width of the conveying bracket and is detachably arranged on the lifting structure. The lifting structure drives the conveying structure to move longitudinally between the first moving position and the second moving position.

[0012] In the above-mentioned PCB board cleaning device, the conveying structure includes a third bracket, a fourth bracket and a conveyor belt. The third bracket and the fourth bracket are arranged oppositely and have a gap. The conveyor belt is movably arranged along the length direction of the third bracket and / or the fourth bracket, forms a support for the PCB board between the third bracket and the fourth bracket, and drives the PCB board to move towards the second conveying component.

[0013] In the above-mentioned PCB board cleaning device, it further includes:

[0014] A conveyor belt for loading and unloading PCB boards;

[0015] A cleaning machine for cleaning PCB boards;

[0016] A gripping device, which includes a first adsorption component and a second adsorption component. The first adsorption component is movably arranged at the input end of the first conveying component, and is used to adsorb the PCB board on the conveyor belt into the cleaning machine for cleaning, and adsorb the cleaned PCB board onto the first conveying component. The second adsorption component is movably arranged at the output end of the second conveying component, and is used to adsorb the dried PCB board onto the conveyor belt.

[0017] In the above-mentioned PCB board cleaning equipment, the gripping device includes a first driving module connected to the first adsorption component and a second driving module connected to the second adsorption component. The first driving module and the second driving module respectively extend along the direction perpendicular to the conveying device, so as to drive the first adsorption component and the second adsorption component to move along the Y-axis direction and the Z-axis direction.

[0018] In the above-mentioned PCB board cleaning equipment, the first driving module and the second driving module have the same structure, and both include a first sliding module arranged along the direction perpendicular to the conveyor belt and a second sliding module vertically connected to the first sliding module. And the first adsorption component and the second adsorption component are connected to the corresponding second sliding module through quick-release joints.

[0019] Compared with the prior art, the beneficial effects of the present utility model are as follows: By setting a first conveying component, a second conveying component and a third conveying component for conveying PCB boards, the first conveying component and the second conveying component extend after passing through the dryer, the third conveying component is movably arranged at the extended ends of the first conveying component and the second conveying component, and has a first moving position and a second moving position. When the third conveying component is in the first moving position, it is aligned with the first conveying component, and when the third conveying component is in the second moving position, it is aligned with the second conveying component. Thereby enabling the PCB board to flow back in the dryer, realizing the automation of the secondary drying of the PCB board, effectively improving the drying effect of the PCB board, and further ensuring the quality of the PCB board. Description of the Drawings

[0020] Figure 1 It is a schematic structural diagram of a PCB board cleaning equipment according to an embodiment of the present utility model.

[0021] Figure 2 It is an exploded view of a PCB board cleaning equipment according to an embodiment of the present utility model.

[0022] Figure 3 It is a partial structural schematic diagram of a PCB board cleaning equipment according to an embodiment of the present utility model.

[0023] In all the drawings, the same reference numerals denote the same technical features, specifically: 100, dryer; 110, receiving cavity; 200, conveying device; 210, first conveying component; 211, conveying bracket; 212, transmission chain; 213, first bracket; 214, second bracket; 220, second conveying component; 230, third conveying component; 231, conveying structure; 232, lifting structure; 233, third bracket; 234, fourth bracket; 235, conveyor belt; 236, lifting plate; 237, driving motor; 240, support frame; 241, first support plate; 242, second support plate; 250, adjusting structure; 251, sliding block; 252, adjusting rod; 300, conveyor belt; 400, cleaning machine; 410, cleaning tank; 500, grasping device; 510, first adsorption component; 520, second adsorption component; 530, first driving module; 531, first sliding module; 532, second sliding module; 540, second driving module; 550, quick-release joint; 600, mounting frame; 700, mounting table; 800, fourth conveying component; 900, PCB board. Detailed implementation manners

[0024] The following are specific embodiments of the present invention and in combination with the drawings, the technical solutions of the present invention will be further described, but the present invention is not limited to these embodiments.

[0025] It should be noted that all the directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative position relationship and movement conditions between components in a specific posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly.

[0026] As Figures 1 to 3 shown, a PCB board cleaning device includes a dryer 100, a conveying device 200, a conveyor belt 300, a cleaning machine 400, a grasping device 500, a mounting frame 600, a mounting table 700 and a fourth conveying component 800.

[0027] As Figures 1 to 3 shown, a PCB board cleaning device for cleaning and drying a PCB board 900 includes:

[0028] A dryer 100, which is provided with a receiving cavity 110 for drying the PCB board 900, and both ends of the receiving cavity 110 communicate with the outside;

[0029] Transfer device 200, which includes a first transfer component 210, a second transfer component 220, and a third transfer component 230 for conveying the PCB board 900. The first transfer component 210 and the second transfer component 220 respectively pass through the accommodation cavity 110 and extend away from the dryer 100, and the conveying directions of the first transfer component 210 and the second transfer component 220 are opposite. The third transfer component 230 is movably arranged at the extension ends of the first transfer component 210 and the second transfer component 220, and has a first moving position and a second moving position. When the third transfer component 230 is in the first moving position, the third transfer component 230 is aligned with the first transfer component 210 and can receive the PCB board 900 on the first transfer component 210. When the third transfer component 230 is in the second moving position, the third transfer component 230 is aligned with the second transfer component 220 and can convey the received PCB board 900 to the second transfer component 220 for secondary drying of the PCB board 900. The automation of the secondary drying of the PCB board 900 is realized, effectively improving the drying effect of the PCB board 900, and thus ensuring the quality of the PCB board 900.

[0030] Specifically, as Figures 1 to 3 shown, in this embodiment, a gripping device 500, a cleaning machine 400, a transfer device 200, and a dryer 100 are arranged in sequence from left to right, and a conveyor belt 300 is arranged on the opposite side of the gripping device 500 to realize the full-automatic process of feeding, cleaning, drying, and discharging of the PCB board 900.

[0031] In this embodiment, the conveyor belt 300 extends along the arrangement direction of the gripping device 500, the cleaning machine 400, the transfer device 200, and the dryer 100, and includes an input end connected to the incoming material device and an output end connected to the discharging device, and is used for feeding and discharging the PCB board 900.

[0032] In this embodiment, the gripping device 500 is vertically arranged near the output end of the conveyor belt 300, and includes a first adsorption component 510 and a second adsorption component 520. The first adsorption component 510 is movably arranged at the input end of the first transfer component 210, and is used for adsorbing the PCB board 900 on the conveyor belt 300 into the cleaning machine 400 for cleaning, and adsorbing the cleaned PCB board 900 onto the first transfer component 210 for subsequent drying operations. The second adsorption component 520 is movably arranged at the output end of the second transfer component 220, and is used for adsorbing the dried PCB board 900 onto the conveyor belt 300. The full-automatic process of feeding, cleaning, drying, and discharging of the PCB board 900 is realized, effectively improving the production efficiency.

[0033] In this embodiment, the grasping device 500 includes a first driving module 530 connected to the first adsorption component 510 and a second driving module 540 connected to the second adsorption component 520. The first driving module 530 and the second driving module 540 respectively extend along the direction perpendicular to the conveying device 200, and are used to drive the first adsorption component 510 and the second adsorption component 520 to move along the Y-axis direction and the Z-axis direction, so as to realize the movement of the PCB board 900 between the conveyor belt 300 and the first conveying component 210 and the second conveying component 220. Moreover, by using the driving module, the accuracy and flexibility of the movement of the grasping device 500 are effectively improved, ensuring the safe transfer of the PCB board 900.

[0034] In this embodiment, the first driving module 530 and the second driving module 540 have the same structure, and both include a first sliding module 531 arranged along the direction perpendicular to the conveyor belt 300 and a second sliding module 532 vertically connected to the first sliding module 531, so as to drive the first adsorption component 510 and the second adsorption component 520 to move along the Y-axis and Z-axis directions. Moreover, the first adsorption component 510 and the second adsorption component 520 are connected to the corresponding second sliding module 532 through quick-release joints 550, effectively improving the convenience of installation and replacement of the first adsorption component 510 and the second adsorption component 520.

[0035] Preferably, in this embodiment, both the first sliding module 531 and the second sliding module 532 are linear sliding modules, and both the first adsorption component 510 and the second adsorption component 520 are standard adsorption accessories. The application of the first adsorption component 510 and the second adsorption component 520 effectively avoids the abrasion of the PCB board 900 during the movement process, further ensuring the quality of the PCB board 900.

[0036] In this embodiment, the cleaning machine 400 is an ultrasonic cleaning machine 400 and has a cleaning tank 410 for accommodating the PCB board 900.

[0037] To make the heights of the conveying device 200 and the dryer 100 consistent, in this embodiment, the conveyor belt 300 is arranged on the mounting frame 600, and the cleaning machine 400, the grasping device 500 and the conveying device 200 are all arranged on the mounting table 700 adapted to the height of the dryer 100, and the height of the mounting frame 600 is suitable for that of the mounting table 700.

[0038] In this embodiment, the dryer 100 is provided with a receiving cavity 110 for drying the PCB board 900. The receiving cavity 110 extends along the length direction of the dryer 100, and both ends of the receiving cavity 110 are communicated with the outside to facilitate the passing of the conveying device 200. Moreover, a heating plate and a blower are provided inside the dryer 100 to dry the PCB board 900 on the first conveying component 210 and the second conveying component 220 through hot air flow.

[0039] In this embodiment, the conveying device 200 includes a first conveying component 210, a second conveying component 220, and a third conveying component 230 for conveying the PCB board 900. The first conveying component 210 and the second conveying component 220 are arranged in an up-and-down structure, respectively passing through the receiving cavity 110 and extending away from the dryer 100, and the conveying directions are opposite, so that the PCB board 900 realizes reflux while being dried for the second time, effectively ensuring the compactness of the structure and reducing the occupied area of the equipment. The third conveying component 230 is movably arranged at the extending ends of the first conveying component 210 and the second conveying component 220, and has a first moving position and a second moving position. When the third conveying component 230 is in the first moving position, the third conveying component 230 is aligned with the first conveying component 210 and can receive the PCB board 900 on the first conveying component 210. When the third conveying component 230 is in the second moving position, the third conveying component 230 is aligned with the second conveying component 220 and can convey the received PCB board 900 to the second conveying component 220, so as to realize the movement of the PCB board 900 between the first conveying component 210 and the second conveying component 220, thereby facilitating the second drying of the PCB board 900 and significantly improving the thoroughness and efficiency of drying the PCB board 900.

[0040] In this embodiment, the first conveying component 210 is horizontally arranged above the second conveying component 220 and is longitudinally aligned with the second conveying component 220. The third conveying component 230 moves between the first conveying component 210 and the second conveying component 220 along a direction perpendicular to the first conveying component 210 and the second conveying component 220. This layout effectively saves the moving stroke of the third conveying component 230, not only makes the structure of the conveying device 200 more compact, but also speeds up the flow rate of the PCB board 900 on the conveying device 200, further improving the working efficiency of the equipment.

[0041] In this embodiment, the first conveying component 210 and the second conveying component 220 have the same structure, both including a conveying bracket 211 and a transmission chain 212. The conveying bracket 211 includes a first bracket 213 and a second bracket 214 which are oppositely arranged and have a gap therebetween. The transmission chain 212 is movably arranged along the length direction of the first bracket 213 and / or the second bracket 214, forms a support for the PCB board 900 on the first bracket 213 or the second bracket 214, and drives the PCB board 900 to move along the length direction of the conveying bracket 211. The gap between the first bracket 213 and the second bracket 214 can accommodate the PCB board 900, and through the cooperation of the transmission chain 212, the PCB board 900 can be transferred in a clamping manner, so that the hot air flow circulating in the dryer 100 can blow to the bottom of the PCB board 900. Compared with the conveying direction of the traditional conveyor belt 300, water accumulation at the bottom of the PCB board 900 can be avoided, further ensuring the drying effect of the PCB board 900.

[0042] In this embodiment, the conveying device 200 includes a support frame 240 which is arranged below the dryer 100 and extends into the accommodation cavity 110. The support frame 240 includes a first support plate 241 arranged below the first conveying component 210 and a second support plate 242 arranged below the second conveying component 220, and the first support plate 241 and the second support plate 242 respectively extend along the length direction of the conveying bracket 211. While realizing the support for the dryer 100 and the conveying device 200, it also avoids water droplets on the PCB board 900 on the first conveying component 210 from splashing onto the PCB board 900 on the second conveying component 220 during the drying process, effectively ensuring the effect and efficiency of the secondary drying of the PCB board 900.

[0043] In this embodiment, the conveying device 200 further includes two groups of adjusting structures 250 which are respectively detachably arranged on the first support plate 241 and the second support plate 242. The adjusting structure 250 includes a sliding block 251 connected to the first bracket 213 and an adjusting rod 252 connected to the sliding block 251 and driving the sliding block 251 to drive the first bracket 213 to move towards or away from the second bracket 214. The adjustment of the gap size between the first bracket 213 and the second bracket 214 is realized, so that the device can adapt to PCB boards 900 of different sizes, effectively improving the flexibility and adaptation range of the device.

[0044] In this embodiment, the third transfer component 230 includes a transfer structure 231 and a lifting structure 232 disposed at the output end of the first transfer component 210 and the input end of the second transfer component 220. The transfer structure 231 is adapted to the width of the transfer bracket 211 to stably receive and convey the PCB board 900. The transfer structure 231 is detachably disposed above the lifting structure 232, and the lifting structure 232 drives the transfer structure 231 to longitudinally move between a first moving position and a second moving position, realizing the efficient transfer of the PCB board 900 between the first transfer component 210 and the second transfer component 220.

[0045] It should be noted that the transfer structure 231 can be set as the conveyor belt 300. Preferably, in this embodiment, the transfer structure 231 includes a third bracket 233, a fourth bracket 234 and a conveyor belt 235. The third bracket 233 and the fourth bracket 234 are arranged oppositely and have a gap. The conveyor belt 235 is movably arranged along the length direction of the third bracket 233 and / or the fourth bracket 234, forming a support for the PCB board 900 between the third bracket 233 and the fourth bracket 234, and driving the PCB board 900 to move in the direction close to the second transfer component 220. The stable conveyance of the PCB board 900 is realized, and the design and cooperation of the third bracket 233, the fourth bracket 234 and the conveyor belt 235 provide an operation space for the size adjustment of the transfer structure 231.

[0046] Preferably, in this embodiment, an adjustment structure 250 is further provided between the transfer structure 231 and the lifting structure 232.

[0047] In this embodiment, the lifting structure 232 includes a lifting plate 236 detachably connected to the transfer structure 231, and a driving motor 237 for driving the lifting plate 236 to move up and down.

[0048] To facilitate the movement of the second adsorption component 520, in this embodiment, a fourth transfer component 800 is further provided between the second adsorption component 520 and the second transfer component 220. The fourth transfer component 800 has the same structure as the third transfer component 230. It is disposed below the second adsorption component 520 and is horizontally flush with the second transfer component 220. On the one hand, it saves the length required by the second transfer component 220, and on the other hand, it saves the movement stroke of the second adsorption component 520.

[0049] It should be noted that in the present utility model, descriptions such as "first", "second", and "one" are only for descriptive purposes and should not be construed as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, "a plurality" means at least two, such as two, three, etc., unless otherwise specifically defined. Terms such as "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0050] In addition, the technical solutions between various embodiments of the present utility model can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0051] The specific embodiments described herein are merely illustrative of the spirit of the present utility model. Those skilled in the art to which the present utility model pertains can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, but will not deviate from the spirit of the present utility model or exceed the scope defined by the appended claims.

Claims

1. A PCB board cleaning device for cleaning and drying PCB boards, characterized in that, Comprising: A dryer, which is provided with a receiving cavity for drying PCB boards, and both ends of the receiving cavity communicate with the outside; A conveying device, which includes a first conveying component, a second conveying component and a third conveying component for conveying PCB boards. The first conveying component and the second conveying component respectively pass through the receiving cavity and extend away from the dryer. The conveying directions of the first conveying component and the second conveying component are opposite. The third conveying component is movably arranged at the extending ends of the first conveying component and the second conveying component, and has a first moving position and a second moving position. When the third conveying component is in the first moving position, the third conveying component is aligned with the first conveying component and can receive the PCB board on the first conveying component. When the third conveying component is in the second moving position, the third conveying component is aligned with the second conveying component and can convey the received PCB board to the second conveying component to enable the PCB board to be dried for a second time.

2. The PCB board cleaning device according to claim 1, wherein The first conveying component is horizontally arranged above the second conveying component and is longitudinally aligned with the second conveying component. The third conveying component moves between the first conveying component and the second conveying component in a direction perpendicular to the first conveying component and the second conveying component.

3. The PCB board cleaning device according to claim 2, characterized in that, The first conveying component and the second conveying component have the same structure, and both include a conveying bracket and a transmission chain. The conveying bracket includes a first bracket and a second bracket that are oppositely arranged and have a gap. The transmission chain is movably arranged along the length direction of the first bracket and / or the second bracket, forms a support for the PCB board between the first bracket and the second bracket, and drives the PCB board to move along the length direction of the conveying bracket.

4. The PCB board cleaning device according to claim 3, characterized in that, The conveying device includes a support frame arranged below the dryer and extending into the receiving cavity. The support frame includes a first support plate arranged below the first conveying component and a second support plate arranged below the second conveying component, and the first support plate and the second support plate respectively extend along the length direction of the conveying bracket.

5. The PCB board cleaning device according to claim 4, wherein, The conveying device further includes two sets of adjusting structures that are respectively detachably arranged on the first support plate and the second support plate. The adjusting structure includes a sliding block connected to the first bracket and an adjusting rod connected to the sliding block and driving the sliding block to drive the first bracket to move towards or away from the second bracket.

6. The PCB board cleaning device according to claim 3, wherein, The third conveying component includes a conveying structure and a lifting structure. The conveying structure is adapted to the width of the conveying bracket and is detachably arranged on the lifting structure. The lifting structure drives the conveying structure to longitudinally move between the first moving position and the second moving position.

7. A PCB board cleaning device according to claim 6, characterized in that, The conveying structure includes a third support, a fourth support, and a conveyor belt. The third support and the fourth support are arranged opposite to each other with a gap therebetween. The conveyor belt is movably arranged along the length direction of the third support and / or the fourth support, supporting the PCB board between the third support and the fourth support and driving the PCB board to move towards the second conveying component.

8. A PCB board cleaning device according to claim 1, characterized in that, Further included are: a conveyor belt for loading and unloading the PCB board; a cleaning machine for cleaning the PCB board; a grasping device, which includes a first adsorption component and a second adsorption component. The first adsorption component is movably arranged at the input end of the first conveying component, used to adsorb the PCB board on the conveyor belt into the cleaning machine for cleaning and adsorb the cleaned PCB board onto the first conveying component. The second adsorption component is movably arranged at the output end of the second conveying component, used to adsorb the dried PCB board onto the conveyor belt.

9. A PCB board cleaning device according to claim 8, characterized in that, The grasping device includes a first driving module connected to the first adsorption component and a second driving module connected to the second adsorption component. The first driving module and the second driving module respectively extend along a direction perpendicular to the conveying device, used to drive the first adsorption component and the second adsorption component to move in the Y-axis direction and the Z-axis direction.

10. A PCB board cleaning device according to claim 9, characterized in that, The first driving module and the second driving module have the same structure, both including a first sliding module arranged along a direction perpendicular to the conveyor belt and a second sliding module vertically connected to the first sliding module. Moreover, the first adsorption component and the second adsorption component are connected to the corresponding second sliding module through quick-release joints.

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