Automatic cleaning equipment for electronic circuit substrate

Abstract

The utility model belongs to the field of cleaning equipment, and relates to automatic cleaning equipment and roller type dust removal equipment for an electronic circuit substrate, which comprises a rack, a roller type dust removal device and a cleaning device, the cleaning roller mechanism is connected to the rack in a sliding manner; the cleaning roller mechanism can move in the horizontal direction of the rack; the cleaning roller mechanism is located between the feeding area and the discharging area. The cleaning roller mechanism is provided with a cleaning channel; the adhesive tape cleaning mechanism is connected to the rack in a sliding manner; the adhesive tape cleaning mechanism can move in the horizontal direction of the rack; and the adhesive tape cleaning mechanism is matched with the roller cleaning mechanism for use. After the structure is adopted, the dust removal device has the beneficial effects that compared with an original gas nozzle blowing mode, the mode of removing dust on the electronic circuit substrate by utilizing the characteristic of adhesion of the cleaning roller mechanism and the cleaning adhesive tape unit not only expands the coverage of a cleaning area, but also ensures the uniformity of the cleaning strength, and improves the cleaning work efficiency.

Description

Technical Field

[0001] The utility model belongs to the technical field of cleaning equipment, and specifically relates to an automatic cleaning equipment for electronic circuit boards. Background Art

[0002] The substrate is the basic material for manufacturing PCBs. The performance, quality, processability, manufacturing cost, manufacturing level, etc. of printed boards largely depend on the substrate material. During the production process, the PCB substrate is prone to static electricity and can easily adsorb dust. Therefore, it is necessary to use a PCB substrate dust removal device to remove dust from the substrate and ensure that the further processing of the PCB substrate in a high-class clean room is not affected by dust.

[0003] Currently, the cleaning method for circuit boards is to blow air manually with a gas nozzle, which has the problems of a small coverage area of the cleaning area, uneven blowing force, and a risk of generating water mist, thus affecting the cleaning work efficiency. Therefore, it is necessary to make improvements. Summary of the Utility Model

[0004] In order to solve the above problems of the prior art, the utility model provides an automatic cleaning equipment for electronic circuit boards to solve the problems in the prior art that when cleaning circuit boards, the cleaning area has a small coverage area, uneven blowing force, and a risk of generating water mist, thus affecting the cleaning work efficiency.

[0005] To achieve the above object, the utility model adopts the following technical solutions:

[0006] As one aspect of the utility model, an automatic cleaning equipment for electronic circuit boards is provided, which includes: a frame, on which a feeding area and a discharging area are provided;

[0007] A cleaning roller mechanism, slidably connected to the frame; the cleaning roller mechanism can move in the horizontal direction of the frame; the cleaning roller mechanism is located between the feeding area and the discharging area; the cleaning roller mechanism has a cleaning channel;

[0008] A cleaning tape mechanism, slidably connected to the frame; the cleaning tape mechanism can move in the horizontal direction of the frame; the cleaning tape mechanism is used in cooperation with the cleaning roller mechanism.

[0009] Optionally, the cleaning roller mechanism includes a main roller mounting seat slidably connected to the frame;

[0010] At least one driving cleaning roller is rotatably connected to the main roller mounting seat; when there are more than two driving cleaning rollers, adjacent two driving cleaning rollers are connected by a transmission part;

[0011] It further includes a secondary roller mounting seat, and the secondary roller mounting seat is connected to the main roller mounting seat through a spacing adjustment mechanism; at least one driven cleaning roller is rotatably connected to the secondary roller mounting seat; when there are more than two driven cleaning rollers, there is a preset interval between adjacent two driven cleaning rollers; a cleaning channel is formed between the active cleaning roller and the driven cleaning roller;

[0012] A cleaning roller driving unit is provided on the frame, and the cleaning roller driving unit includes a driving part provided on the frame and a rotating shaft rotatably connected to the frame; the rotating shaft is connected to the output end of the driving part, a first magnetic wheel is connected to the rotating shaft, and a second magnetic wheel cooperating with the first magnetic wheel is provided at one end of the active cleaning roller.

[0013] Optionally, the spacing adjustment mechanism includes a guide shaft, a return spring, a linear bearing, and a limiting member; the lower end of the guide shaft is threadedly connected to the main roller mounting seat, its upper end passes through the through hole of the secondary roller mounting seat, and a limiting member is provided at the top end of the guide shaft; a linear bearing fixedly connected to the secondary roller mounting seat is slidably connected to the guide shaft, the upper end of the linear bearing abuts against the lower plane of the limiting member, a return spring is sleeved on the guide shaft, the upper end of the return spring abuts against the secondary roller mounting seat, and the lower end of the return spring abuts against the upper plane of the main roller mounting seat.

[0014] Optionally, it further includes auxiliary conveying rollers, and auxiliary conveying rollers are respectively provided on the feeding area and the discharging area. The auxiliary conveying rollers include a roller shaft rotatably connected to the frame and / or the main roller mounting seat, and a plurality of roller pieces are provided at intervals on the roller shaft.

[0015] Optionally, the cleaning tape mechanism includes a first cleaning tape unit and a second cleaning tape unit respectively slidably connected to the frame, and the first cleaning tape unit and the second cleaning tape unit are respectively slidably connected to the frame; the structure of the second cleaning tape unit is symmetrical to the structure of the first cleaning tape unit; the first cleaning tape unit is located below the active cleaning roller, and the second cleaning tape unit is located above the driven cleaning roller.

[0016] Optionally, the second cleaning tape unit includes a cleaning tape mounting seat slidably connected to the frame, a tape connecting seat is slidably connected to the cleaning tape mounting seat, a support seat for connecting a cleaning tape is rotatably connected to the tape connecting seat, a cleaning tape is connected to the support seat, and the active cleaning roller and the driven cleaning roller cooperate with the corresponding cleaning tapes; the tape connecting seat is connected to the output end of a lifting cylinder provided on the cleaning tape mounting seat.

[0017] Optionally, handles are respectively provided on the main roller mounting seat and the cleaning tape mounting seat.

[0018] Optionally, moving wheels are provided at the bottom of the frame.

[0019] Optionally, foot cups are provided at the bottom of the frame.

[0020] The automated cleaning device for electronic circuit boards of the present utility model has the following beneficial effects: The method of removing dust from electronic circuit boards by utilizing the adhesion characteristics of the cleaning roller mechanism and the cleaning tape unit, compared with the original gas nozzle blowing method, not only expands the coverage area of the cleaning region but also ensures the uniformity of the cleaning strength, thus improving the cleaning work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings forming a part of this application are used to provide a further understanding of the present utility model. The schematic embodiments and descriptions thereof of the present utility model are used to explain the present utility model and do not constitute an improper limitation to the present utility model.

[0022] Figure 1 is a three-dimensional structure diagram of the automated cleaning device for electronic circuit boards of the present utility model;

[0023] Figure 2 is an exploded view of the structure of the automated cleaning device for electronic circuit boards of the present utility model;

[0024] Figure 3 is a front view of the structure of the exploded view of the automated cleaning device for electronic circuit boards of the present utility model after removing the bracket;

[0025] Figure 4 is a rear view of the structure of the exploded view of the automated cleaning device for electronic circuit boards of the present utility model after removing the bracket;

[0026] Figure 5 is a front view of the structure of the exploded view of the automated cleaning device for electronic circuit boards of the present utility model after removing the bracket;

[0027] Figure 6 is a schematic diagram of the structure of the spacing adjustment mechanism of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] To make the objectives, technical solutions, and advantages of the present utility model clearer, the technical solutions of the present utility model will be clearly and completely described below in conjunction with the specific embodiments and corresponding drawings of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0029] An automated cleaning device for an electronic circuit board according to an embodiment of the present application, as Figures 1-5 shown, which includes: a frame 1 for support; a moving wheel 11 for convenient movement is provided at the bottom of the frame 1; a foot cup 12 for supporting and limiting after moving to a moving position is provided at the bottom of the frame 1. The structures of the moving wheel 11 and the foot cup 12 are prior arts and will not be elaborated here; an inlet area 13 and an outlet area are provided on the frame 1, and sensors, such as photoelectric switches, are respectively provided on the inlet area 13 and the outlet area. The sensors are prior arts and will not be elaborated

[0030] A cleaning roller mechanism 2 is slidably connected to the frame 1; the cleaning roller mechanism 2 can move in the horizontal direction of the frame 1; the cleaning roller mechanism 2 is located between the inlet area 13 and the outlet area; the cleaning roller mechanism 2 has a cleaning channel, and the electronic circuit board is cleaned in the cleaning channel;

[0031] A cleaning tape mechanism 3 is slidably connected to the frame 1; the cleaning tape mechanism 3 can move in the horizontal direction of the frame 1; the cleaning tape mechanism 3 is used in cooperation with the cleaning roller mechanism 2.

[0032] In one embodiment, the cleaning roller mechanism 2 includes a main roller mounting seat 21 slidably connected to the frame 1. The main roller mounting seat 21 is connected to the frame 1 through a sliding part composed of a slide rail and a slider. This sliding method is a prior art and will not be elaborated here;

[0033] At least one active cleaning roller 22 is rotatably connected to the main roller mounting seat 21; when there are two or more active cleaning rollers 22, adjacent two active cleaning rollers 22 are connected by a transmission part. The transmission part is a prior art, such as a gear set, and will not be elaborated here;

[0034] It further includes a secondary roller mounting seat 23. The secondary roller mounting seat 23 is connected to the main roller mounting seat 21 through a spacing adjusting mechanism 4, so that the spacing between the secondary roller mounting seat 23 and the main roller mounting seat 21 is adjustable; at least one passive cleaning roller 24 is rotatably connected to the secondary roller mounting seat 23; when there are two or more passive cleaning rollers 24, there is a preset interval between adjacent two passive cleaning rollers 24; a cleaning channel is formed between the active cleaning roller 22 and the passive cleaning roller 24, and the height of the cleaning channel is adapted to the height of the electronic circuit board;

[0035] A cleaning roller driving unit is provided on the frame 1. The cleaning roller driving unit includes a driving part 26 provided on the frame 1 and a rotating shaft 27 rotatably connected to the frame 1. The driving part is a rotating motor, which is a prior art and will not be elaborated here. The pulling-out direction of the active cleaning roller 22 is opposite to the position of the driving part 26. The rotating shaft 27 is connected to the output end of the driving part 26, and the driving part 26 drives the rotating shaft 27 to rotate on the frame 1. A first magnetic gear 28 is connected to the rotating shaft 27, and a second magnetic gear 29 that cooperates with the first magnetic gear 28 is provided at one end of the active cleaning roller 22. When the number of active cleaning rollers 22 is two or more, adjacent two active cleaning rollers 22 are connected by a meshing gear set. As long as there is a second magnetic gear 29 on one of the active cleaning rollers 22 that cooperates with the first magnetic gear 28, the driving part 26 works to drive the first magnetic gear 28 to rotate, and the second magnetic gear 29 cooperates with the first magnetic gear 28 to drive the active cleaning roller 22 to rotate, so as to realize the cleaning work of the active cleaning roller 22. The passive cleaning roller 24 is driven to rotate passively under the action of the active cleaning wheel 22, and the cleaning work is realized through the mutual cooperation of the active cleaning wheel 22 and the passive cleaning roller 24. It should be noted that the magnetic gear (MagnetGear) is a non-contact power transmission device that utilizes the principle of the interaction of the attraction and repulsion of magnets, which is a prior art and will not be elaborated here.

[0036] In one embodiment, as Figure 4 and Figure 6 shown, the spacing adjustment mechanism 4 includes a guide shaft 47, a return spring, a linear bearing 49, and a limiting member 410. The lower end of the guide shaft 47 is threadedly connected to the main roller mounting seat 21, and its upper end passes through the through hole of the auxiliary roller mounting seat 23. A limiting member 410 is provided at the top end of the guide shaft 47. A linear bearing 49 fixedly connected to the auxiliary roller mounting seat 23 is slidably connected to the guide shaft 47, and the upper end of the linear bearing 49 abuts against the lower plane of the limiting member 410 to prevent the linear bearing 49 from sliding out. A return spring is sleeved on the guide shaft 47. The upper end of the return spring abuts against the auxiliary roller mounting seat 23, and the lower end of the return spring abuts against the upper plane of the main roller mounting seat 21. When the passive cleaning roller 24 needs to be adjusted, according to the thickness requirements of different electronic circuit boards, by screwing the limiting member 410, the relative position between the guide shaft 47 and the main roller mounting seat 21 is controlled, so as to realize the adjustment of the relative height between the active cleaning roller 22 and the passive cleaning roller 24.

[0037] In one embodiment, as Figure 4As shown, it further includes auxiliary conveying rollers 5. The auxiliary conveying rollers 5 are respectively provided in the feeding area 13 and the discharging area. The auxiliary conveying rollers 5 include a roller shaft 51 rotatably connected to the frame 1 and / or the main roller mounting seat 21. A number of roller sheets 52 are provided on the roller shaft 51 at intervals. When there are two or more groups of auxiliary conveying rollers 5, the roller sheets 52 of adjacent two groups of auxiliary conveying rollers 5 are staggered, which is convenient for the conveying of the electronic circuit board.

[0038] In one embodiment, as Figures 4-5 shown, the cleaning tape mechanism 3 includes a first cleaning tape unit 31 and a second cleaning tape unit 32 respectively slidably connected to the frame 1. The first cleaning tape unit 31 and the second cleaning tape unit 32 are respectively connected to the frame 1 through a sliding part composed of a slide rail and a slider. This sliding method is prior art and will not be elaborated here. The structure of the second cleaning tape unit 32 is symmetrical to the structure of the first cleaning tape unit 31. The first cleaning tape unit 32 is located below the active cleaning roller 22, and the second cleaning tape unit 32 is located above the passive cleaning roller 24. The second cleaning tape unit 31 includes a cleaning tape mounting seat 311 slidably connected to the frame 1. A tape connecting seat 312 is slidably connected to the cleaning tape mounting seat 311. A support seat 314 for connecting the cleaning tape 313 is rotatably connected to the tape connecting seat 312. The cleaning tape 313 is connected to the support seat 314. The active cleaning roller 22 and the passive cleaning roller 24 cooperate with the corresponding cleaning tape 313. The tape connecting seat 312 is connected to the output end of a lifting cylinder 315 provided on the cleaning tape mounting seat 311. The lifting cylinder 315 drives the tape connecting seat 312 to slide on the cleaning tape mounting seat 311, so that the cleaning tape 313 cooperates with the corresponding active cleaning roller 22 and the corresponding passive cleaning roller 24. During operation, when the lifting cylinder 315 lifts to press the cleaning tape 313 against the corresponding active cleaning roller 22 and the corresponding passive cleaning roller 24, the active cleaning roller 22 and the passive cleaning roller 24 roll in contact with the electronic circuit board to convey it, realizing the adhesion of foreign matters on both sides of the electronic circuit board to the surfaces of the active cleaning roller 22 and the passive cleaning roller 24, and then the adhesion of the foreign matters on the surfaces of the active cleaning roller 22 and the passive cleaning roller 24 to the cleaning tape 313 with higher viscosity. Through this principle process, the stage work of automatically cleaning the electronic circuit board is completed, and finally it flows out from the auxiliary conveying rollers 5 at the other end.

[0039] In one embodiment, for the convenience of pulling out, as Figures 1-3 shown, handles 6 are respectively provided on the main roller mounting seat 21 and the cleaning tape mounting seat 311.

[0040] In one embodiment, the frame 1 is provided with an observation plate, which is convenient for observing the cleaning process of the electronic circuit board.

[0041] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular forms are also intended to include the plural forms. In addition, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they specify the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0042] Unless otherwise specifically stated, the relative arrangements of components and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for the sake of convenience of description, the dimensions of the various parts shown in the drawings are not drawn in actual proportional relationships. Technologies, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and devices should be regarded as part of the specification. In all the examples shown and discussed herein, any specific value should be construed as merely exemplary and not as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that like reference numerals and letters denote like items in the following drawings, and thus, once an item is defined in one drawing, it does not require further discussion in subsequent drawings.

[0043] In the description of the present application, it should be understood that the orientation or positional relationships indicated by orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, perpendicular, horizontal", and "top, bottom" are generally based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Without contrary description, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus cannot be construed as limiting the protection scope of the present application; the orientation words "inside, outside" refer to the inside and outside of the contour of each component itself.

[0044] For ease of description, spatial relative terms such as "above", "over", "on the upper surface", "upper" etc. can be used here to describe the spatial positional relationship of a device or feature shown in the figure with other devices or features. It should be understood that the spatial relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figure for the device. For example, if the device in the figure is inverted, a device described as "above" or "over" other devices or structures will then be positioned "below" or "under" the other devices or structures. Thus, the exemplary term "above" can include both the orientations of "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the corresponding explanations for the spatial relative descriptions used here are made accordingly.

[0045] In addition, it should be noted that the use of terms such as "first", "second" etc. to define components is only for the convenience of differentiating the corresponding components. Without additional statements, the above terms have no special meanings, and thus should not be construed as limiting the protection scope of this application.

[0046] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, terms such as "installed", "provided with", "connected" etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and can be the communication inside two components. 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.

[0047] The above are only the preferred embodiments of the present utility model, and all equivalent changes and modifications made according to the scope of the patent application of the present utility model shall fall within the scope covered by the present utility model.

Claims

1. An automated cleaning device for an electronic circuit board, characterized in that, It includes: a frame, on which a feeding area and a discharging area are provided; a cleaning roller mechanism, slidably connected to the frame; the cleaning roller mechanism can move in the horizontal direction of the frame; the cleaning roller mechanism is located between the feeding area and the discharging area; the cleaning roller mechanism has a cleaning channel; a cleaning tape mechanism, slidably connected to the frame; the cleaning tape mechanism can move in the horizontal direction of the frame; the cleaning tape mechanism is used in cooperation with the cleaning roller mechanism; the cleaning roller mechanism includes a main roller mounting seat slidably connected to the frame; at least one active cleaning roller is rotatably connected to the main roller mounting seat; when there are more than two active cleaning rollers, adjacent two active cleaning rollers are connected by a transmission part; it further includes a secondary roller mounting seat, the secondary roller mounting seat is connected to the main roller mounting seat through a spacing adjustment mechanism; at least one passive cleaning roller is rotatably connected to the secondary roller mounting seat; when there are more than two passive cleaning rollers, there is a preset interval between adjacent two passive cleaning rollers; a cleaning channel is formed between the active cleaning roller and the passive cleaning roller; a cleaning roller driving unit is provided on the frame, the cleaning roller driving unit includes a driving part provided on the frame and a rotating shaft rotatably connected to the frame; the rotating shaft is connected to the output end of the driving part, a first magnetic wheel is connected to the rotating shaft, and a second magnetic wheel matched with the first magnetic wheel is provided at one end of the active cleaning roller.

2. The automated cleaning device for an electronic circuit board according to claim 1, wherein, The spacing adjustment mechanism includes a guide shaft, a return spring, a linear bearing, and a limiting part; the lower end of the guide shaft is threadedly connected to the main roller mounting seat, its upper end passes through the through hole of the secondary roller mounting seat, and a limiting part is provided at the top end of the guide shaft; a linear bearing fixedly connected to the secondary roller mounting seat is slidably connected to the guide shaft, the upper end of the linear bearing abuts against the lower plane of the limiting part, a return spring is sleeved on the guide shaft, the upper end of the return spring abuts against the secondary roller mounting seat, and the lower end of the return spring abuts against the upper plane of the main roller mounting seat.

3. The automated cleaning device for an electronic circuit board according to claim 1, wherein It further includes auxiliary conveying rollers, auxiliary conveying rollers are respectively provided on the feeding area and the discharging area, the auxiliary conveying rollers include a roller shaft rotatably connected to the frame and / or the main roller mounting seat, and a plurality of roller sheets are arranged at intervals on the roller shaft.

4. The automated cleaning device for an electronic circuit board according to claim 1, characterized in that, The cleaning tape mechanism includes a first cleaning tape unit and a second cleaning tape unit respectively slidably connected to the frame, the first cleaning tape unit and the second cleaning tape unit are respectively slidably connected to the frame; the structure of the second cleaning tape unit is symmetrical to the structure of the first cleaning tape unit; the first cleaning tape unit is located below the active cleaning roller, and the second cleaning tape unit is located above the passive cleaning roller.

5. The automated cleaning device for an electronic circuit board according to claim 4, characterized in that, The second cleaning tape unit includes a cleaning tape mounting seat slidably connected to the frame. A tape connecting seat is slidably connected to the cleaning tape mounting seat. A support seat for connecting the cleaning tape is rotatably connected to the tape connecting seat. A cleaning tape is connected to the support seat. The active cleaning roller and the passive cleaning roller cooperate with the corresponding cleaning tape. The tape connecting seat is connected to the output end of a lifting cylinder provided on the cleaning tape mounting seat.

6. The automated cleaning device for an electronic circuit board according to claim 5, wherein, Handles are respectively provided on the main roller mounting seat and the cleaning tape mounting seat.

7. The automated cleaning device for an electronic circuit board according to claim 1, wherein, Moving wheels are provided at the bottom of the frame.

8. The automated cleaning device for an electronic circuit board according to claim 1, characterized in that, Foot cups are provided at the bottom of the frame.

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