阅读说明：本技术 一种pcb板生产用除尘装置 (Dust collector is used in PCB board production ) 是由 张迪 刘志国 钱宗斌 蒋鸣东 于 2021-07-29 设计创作，主要内容包括：本发明公开了一种PCB板生产用除尘装置,包括进料箱、出料箱,以及用于输送PCB板材的第一输送带和第二输送带,第一输送带上设有除尘机构,第一输送带内部设有第一吸附腔,用于在除尘时将PCB板材吸附固定于第一输送带表面,第二输送带内部设有第二吸附腔,用于将第一输送带末端上表面输送的PCB板材吸附至第二输送带首端下表面,并由第二输送带输送至上表面,第二输送带上也设有除尘机构。该除尘装置可对PCB生产板材进行高效除尘,除尘过程中自动清扫板材两个表面,除尘效果好,不留死角,有助于提高PCB板产品品质；除尘过程无需任何工人参与操作,省时省力,装置结构简单,成本较低,便于在不同规模的电子厂、校企实训基地等推广使用。(The invention discloses a dust removal device for PCB production, which comprises a feeding box, a discharging box, a first conveying belt and a second conveying belt, wherein the first conveying belt and the second conveying belt are used for conveying PCB plates, a dust removal mechanism is arranged on the first conveying belt, a first adsorption cavity is arranged in the first conveying belt and used for adsorbing and fixing the PCB plates on the surface of the first conveying belt during dust removal, a second adsorption cavity is arranged in the second conveying belt and used for adsorbing the PCB plates conveyed from the upper surface of the tail end of the first conveying belt to the lower surface of the head end of the second conveying belt and conveying the PCB plates to the upper surface of the second conveying belt through the second conveying belt, and a dust removal mechanism is also arranged on the second conveying belt. The dust removal device can efficiently remove dust on the PCB production board, automatically clean two surfaces of the board in the dust removal process, has good dust removal effect, does not leave dead corners, and is beneficial to improving the quality of PCB products; the dust removal process does not need any worker to participate in the operation, time and labor are saved, the device is simple in structure and low in cost, and the device is convenient to popularize and use in electronic factories, school enterprises and practical training bases and the like with different scales.)

1. The utility model provides a dust collector is used in PCB board production, includes feeding case (1) and ejection of compact case (2), its characterized in that: the PCB plate conveying device is characterized by further comprising a first conveying belt (3) and a second conveying belt (4) which are used for conveying PCB plates, wherein the head end of the first conveying belt (3) is located below the feeding box (1), the tail end of the second conveying belt (4) is located above the discharging box (2), and the upper surface of the tail end of the first conveying belt (3) and the lower surface of the head end of the second conveying belt (4) are overlapped in a vertical direction in a clearance mode;

be equipped with on first conveyer belt (3) and be used for carrying out dust removal mechanism (5) that remove dust to the surface outside carried PCB panel, first conveyer belt (3) inside is equipped with first absorption chamber (6), be used for adsorbing PCB panel when removing dust and be fixed in first conveyer belt (3) surface, second conveyer belt (4) inside is equipped with second absorption chamber (7), be used for adsorbing the PCB panel of first conveyer belt (3) terminal upper surface transport to second conveyer belt (4) head end lower surface, and carry the upper surface by second conveyer belt (4), also be equipped with dust removal mechanism (5) that are used for carrying out the dust removal to the surface outside carried PCB panel on second conveyer belt (4).

2. The PCB board production dust collector of claim 1, characterized in that: first conveyer belt (3) and second conveyer belt (4) all include the inner band body (301) and outer band body (302), the inner band body (301) supports and drives through two conveying rollers (303), and the transversal sandwich structure who personally submits "Contraband" font of the inner band body (301), first adsorption cavity (6) and second adsorption cavity (7) are located in the intermediate layer space of the inner band body (301), and the lateral wall and the inner band body (301) lateral wall sliding contact of first adsorption cavity (6) and second adsorption cavity (7), and suction hole (8) have all been seted up to the lateral wall of first adsorption cavity (6) and second adsorption cavity (7) and inner band body (301) lateral wall, inner band body (301) outer lane is located to outer band body (302) cover, and outer band body (302) adopt ventilative material to make.

3. The dust removing device for PCB production of claim 2, wherein: the inner belt body (301) is formed by connecting a plurality of Contraband shaped plates (3011) in series in sequence, and adjacent Contraband shaped plates (3011) are hinged with each other at the positions facing the inner side.

4. The dust removing device for PCB production of claim 1 or 2, wherein: the first adsorption cavity (6) and the second adsorption cavity (7) are connected with a dust collection box (9) through a pipeline, a fan (10) is arranged on the pipeline, and filter cotton is filled in the dust collection box (9) close to the air outlet.

5. The dust removing device for PCB production of claim 2, wherein: the outer belt body (302) is formed by interweaving metal mess.

6. The PCB board production dust collector of claim 1, characterized in that: dust removal mechanism (5) are including dust removal roller (501) to and the outside dust removal area (502) of dust removal roller (501) are located to the cover, and bond in dust removal cotton brush (503) of dust removal area (502) surface, dust removal roller (501) drive dust removal area (502) and rotate, make dust removal cotton brush (503) clean the dust removal to the outside surface of carrying PCB panel.

7. The PCB board production dust collector of claim 1, characterized in that: be equipped with vibrator (11) on first conveyer belt (3), vibrator (11) and the laminating of first conveyer belt (3) for will be dropped to the PCB panel vibration dispersion of first conveyer belt (3) upper surface by feeding box (1).

8. The dust removing device for PCB production of claim 7, wherein: first conveyer belt (3) top is equipped with height-adjustable's baffler board (12), leave the clearance between baffler board (12) bottom and first conveyer belt (3) upper surface, clearance altitude mixture control is to the thickness that is greater than a PCB panel and is less than the thickness of two PCB panels.

9. The dust removing device for PCB production of claim 7, wherein: and an auxiliary roller (13) is arranged on the first conveying belt (3), and the auxiliary roller (13) is attached to the inner ring position of the first conveying belt (3) between the vibrator (11) and the dust removal mechanism (5).

10. The PCB board production dust collector of claim 1, characterized in that: protection plates (14) are arranged on two horizontal sides of the first conveying belt (3).

Technical Field

The invention relates to the technical field of PCB boards, in particular to a dust removal device for PCB board production.

Background

The PCB is an important electronic component, which is a support for electronic components and a carrier for electrical connection of electronic components, and is also called a PCB because it is manufactured by electronic printing. No matter in a large-scale electronic factory or in a school training base of school and enterprise cooperation, a production line of the PCB is matched to produce PCBs with different specifications and different purposes.

The PCB is obtained by processing lines and components on an insulating substrate, and a lot of dust and foreign matters are adsorbed on the surface of the substrate before processing, so that the lines and the components have circuit faults due to the dust and the foreign matters, and the surface of the substrate needs to be subjected to dust removal. At present, all the dust removal measures for the base plate adopt manual dust removal, the efficiency is low, the phenomenon of unclean dust cleaning often occurs, and the qualification rate of the PCB is influenced.

Disclosure of Invention

The invention aims to provide a dust removal device for PCB production, which solves the problems of low efficiency and poor dust removal effect of the existing dust removal measures for PCB production.

The invention realizes the purpose through the following technical scheme:

a dust removal device for PCB production comprises a feeding box, a discharging box, a first conveying belt and a second conveying belt, wherein the first conveying belt and the second conveying belt are used for conveying PCB plates;

the PCB conveying device is characterized in that a dust removing mechanism used for removing dust on the surface, facing outwards, of the conveyed PCB is arranged on the first conveying belt, a first adsorption cavity is formed in the first conveying belt and used for adsorbing and fixing the PCB on the surface of the first conveying belt when dust is removed, a second adsorption cavity is formed in the second conveying belt and used for adsorbing the PCB conveyed by the upper surface at the tail end of the first conveying belt to the lower surface of the head end of the second conveying belt and conveying the PCB to the upper surface through the second conveying belt, and a dust removing mechanism used for removing dust on the surface, facing outwards, of the conveyed PCB is also arranged on the second conveying belt.

The improved structure is characterized in that the first conveying belt and the second conveying belt both comprise an inner belt body and an outer belt body, the inner belt body is supported and driven by two conveying rollers, the cross section of the inner belt body is of a sandwich structure in the shape of Contraband, the first adsorption cavity and the second adsorption cavity are arranged in a sandwich space of the inner belt body, the outer side walls of the first adsorption cavity and the second adsorption cavity are in sliding contact with the outer side wall of the inner belt body, the outer side walls of the first adsorption cavity and the second adsorption cavity and the outer side wall of the inner belt body are provided with air suction holes, the outer belt body is sleeved on the outer ring of the inner belt body, and the outer belt body is made of a breathable material.

The further improvement is that the inner belt body is formed by connecting a plurality of Contraband shaping plates in series in sequence, and adjacent Contraband shaping plates are hinged with each other at the positions facing the inner side.

The improved structure is characterized in that the first adsorption cavity and the second adsorption cavity are connected with a dust collection box through pipelines, a fan is arranged on the pipelines, and filter cotton is filled in the dust collection box close to the air outlet.

The further improvement is that the outer belt body is formed by interweaving metal messy wires.

The further improvement lies in, dust removal mechanism includes the dust removal roller to and the dust removal area of dust removal roller outside is located to the cover, and bonds in the cotton brush of removing dust of dust removal outside surface, the dust removal roller drives the rotation of dust removal area, makes the cotton brush of removing dust clean the dust removal to the surface outside carried PCB panel.

The further improvement lies in that a vibrator is arranged on the first conveying belt and attached to the first conveying belt, and the vibrator is used for dispersing PCB plates falling from the feeding box to the upper surface of the first conveying belt in a vibration mode.

The further improvement lies in that a height-adjustable separation plate is arranged above the first conveying belt, a gap is reserved between the bottom end of the separation plate and the upper surface of the first conveying belt, and the height of the gap is adjusted to be larger than the thickness of one PCB and smaller than the thicknesses of two PCBs.

The further improvement lies in that an auxiliary roller is arranged on the first conveying belt, and the auxiliary roller is attached to the inner ring position of the first conveying belt between the vibrator and the dust removal mechanism.

The further improvement lies in that the horizontal both sides position of first conveyer belt is equipped with the guard plate.

The invention has the beneficial effects that: the dust removal device can efficiently remove dust on the PCB production board, automatically clean two surfaces of the board in the dust removal process, has good dust removal effect, does not leave dead corners, and is beneficial to improving the quality of PCB products; the dust removal process does not need any worker to participate in the operation, time and labor are saved, the device is simple in structure and low in cost, and the device is convenient to popularize and use in electronic factories, school enterprises and practical training bases and the like with different scales.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of an end structure of a first conveyor belt;

FIG. 3 is a schematic view of the connection of the first adsorption chamber with the first conveyor belt;

FIG. 4 is a schematic structural view of a template of Contraband;

FIG. 5 is a schematic structural view of a dust removing mechanism;

in the figure: 1. a feeding box; 2. a discharging box; 3. a first conveyor belt; 301. an inner belt body; 3011. contraband a template; 302. an outer belt body; 303. a conveying roller; 4. a second conveyor belt; 5. a dust removal mechanism; 501. a dust removal roller; 502. a dust removal belt; 503. a dust removal cotton brush; 6. a first adsorption chamber; 7. a second adsorption chamber; 8. a suction hole; 9. a dust collection box; 10. a fan; 11. a vibrator; 12. a barrier plate; 13. an auxiliary roller; 14. and (4) a protective plate.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

Referring to fig. 1 to 5, a dust removing device for PCB production includes a feeding box 1 and a discharging box 2, and further includes a first conveying belt 3 and a second conveying belt 4 for conveying PCB plates, a head end of the first conveying belt 3 is located below the feeding box 1, a tail end of the second conveying belt 4 is located above the discharging box 2, an upper surface of a tail end of the first conveying belt 3 is overlapped with a lower surface of a head end of the second conveying belt 4 in a vertical direction at a gap, and the height of the gap is slightly larger than the thickness of the PCB plates, so that the PCB plates can be ensured to pass through, and the passing PCB plates are made to be close to the lower surface of the second conveying belt 4 as much as possible;

be equipped with on first conveyer belt 3 and be used for carrying out the dust removal mechanism 5 that removes dust to the surface outside of carrying PCB panel, the inside first absorption chamber 6 that is equipped with of first conveyer belt 3 for adsorb PCB panel and be fixed in first conveyer belt 3 surface when removing dust, make PCB panel slide when avoiding removing dust, the inside second absorption chamber 7 that is equipped with of second conveyer belt 4, a PCB panel for carrying the terminal upper surface of first conveyer belt 3 adsorbs to 4 head end lower surfaces of second conveyer belt, and carry the upper surface by second conveyer belt 4, through the transmission of first conveyer belt 3 and second conveyer belt 4, PCB panel can move over the limit outward automatically, also be equipped with on the second conveyer belt 4 and be used for carrying out the dust removal mechanism 5 that removes dust to the surface outside of carrying PCB panel.

According to the invention, the first conveying belt 3 and the second conveying belt 4 both comprise an inner belt body 301 and an outer belt body 302, the inner belt body 301 is supported and driven (externally connected with a motor) through two conveying rollers 303, the cross section of the inner belt body 301 is of a sandwich structure in a shape of 'Contraband', namely, one side surface is in an open design, the first adsorption cavity 6 and the second adsorption cavity 7 are arranged in a sandwich space of the inner belt body 301, installation, fixation and ventilation are realized on the open side surface, the outer side walls of the first adsorption cavity 6 and the second adsorption cavity 7 are in sliding contact with the outer side wall of the inner belt body 301, the outer side walls of the first adsorption cavity 6 and the second adsorption cavity 7 and the outer side wall of the inner belt body 301 are respectively provided with an air suction hole 8, the outer belt body 302 is sleeved on the outer ring of the inner belt body 301, and the outer belt body 302 is made of a breathable material. When the conveyer belt rotated, relative slip between conveyer belt and the absorption chamber, when sliding, first absorption chamber 6 and second absorption chamber 7 can be breathed in through suction hole 8 and the outer tape body 302, when outer tape body 302 surface placed PCB panel, can adsorb fixedly panel under the atmospheric pressure effect, avoid panel to slide or drop.

The first adsorption cavity 6 and the second adsorption cavity 7 adopt a structure matched with the inner belt body 301, wherein the first adsorption cavity 6 only has a straight section and is positioned below the dust removing mechanism 5 on the first conveying belt 3, and the second adsorption cavity 7 comprises a straight section and an arc-shaped section, and the straight section and the arc-shaped section extend from the lower surface of the head end of the second conveying belt 4 to the lower part of the dust removing mechanism 5.

In the invention, the inner belt body 301 is formed by connecting a plurality of Contraband shaped plates 3011 in series, and the adjacent Contraband shaped plates 3011 are hinged with each other at the position facing the inner side. The hinged design allows adjacent Contraband-shaped panels 3011 to rotate, thereby allowing the entire inner belt body 301 to rotate about the feed rollers 303. Contraband the template 3011 can be made of light metal material or hard plastic material to ensure it will not deform during transportation. In the invention, the outer belt body 302 is formed by interweaving metal messy wires, has stable pore structure and large porosity and can keep the smoothness for a long time.

In the invention, the first adsorption cavity 6 and the second adsorption cavity 7 are connected with a dust collection box 9 through a pipeline, a fan 10 is arranged on the pipeline, and filter cotton is filled in the dust collection box 9 at the position close to an air outlet. During operation, the fan 10 rotates, and air is drawn from the first adsorption cavity 6 and the second adsorption cavity 7 to form suction air, the suction air passes through the dust collection box 9, and dust doped in the air is filtered by the filter cotton and is left.

In the invention, the dust removing mechanism 5 comprises a dust removing roller 501, a dust removing belt 502 sleeved outside the dust removing roller 501, and a dust removing cotton brush 503 adhered to the outer surface of the dust removing belt 502, wherein the dust removing roller 501 drives the dust removing belt 502 to rotate, so that the dust removing cotton brush 503 cleans and removes dust on the outward surface of the conveyed PCB. And the cleaning direction is perpendicular to the conveying direction of the conveying belt, so that the dust on the surface of the plate can be cleaned from the side edge.

In the invention, the first conveying belt 3 is provided with the vibrator 11, and the vibrator 11 is attached to the first conveying belt 3 and used for dispersing the PCB falling from the feeding box 1 to the upper surface of the first conveying belt 3 in a vibration manner. The stacking phenomenon may occur on the plate falling from the feeding box 1, and the vibration of the vibrator 11 drives the first conveying belt 3 to vibrate, so that the plate on the surface of the first conveying belt 3 is dispersed, and the stacking is avoided.

According to the invention, the height-adjustable separation plate 12 is arranged above the first conveying belt 3, a gap is reserved between the bottom end of the separation plate 12 and the upper surface of the first conveying belt 3, and the height of the gap is adjusted to be larger than the thickness of one PCB but smaller than the thicknesses of two PCBs, so that the plates passing through the gap below the separation plate 12 can be ensured, the stacking phenomenon cannot occur, and all plate surfaces are cleaned during cleaning.

According to the invention, the auxiliary roller 13 is arranged on the first conveying belt 3, the auxiliary roller 13 is attached to the inner ring position of the first conveying belt 3 between the vibrator 11 and the dust removal mechanism 5, and the auxiliary roller 13 is used for isolating vibration, so that the vibration of the vibrator 11 is prevented from being transmitted to the dust removal position to influence dust removal and the adsorption and fixation of plates.

In the invention, the protection plates 14 are arranged at the two horizontal sides of the first conveying belt 3, so that the plates are prevented from falling off from the two sides of the conveying belt during vibration.

The working process of the invention is as follows: the PCB plates are delivered onto the first conveying belt 3 through the feeding box 1, the plates are dispersed through the vibration effect of the vibrator 11 through the conveying of the first conveying belt 3, most of the plates can be dispersed and paved well, then all the plates can be paved well under the effect of the barrier plate 12, the stacking phenomenon cannot occur, when the plates are conveyed to the position above the first adsorption cavity 6, the plates are fixedly conveyed, and dust on the outer surfaces of the plates is cleaned through the dust removal mechanism 5; the conveying is continued to be separated from the first adsorption cavity 6, after the first conveying belt 3 is conveyed to the tail end, the plate is directly adsorbed under the adsorption action of the second adsorption cavity 7, the plate is separated from the first conveying belt 3 and is adsorbed and fixed on the second conveying belt 4, the outward surface of the plate can be changed in the process, the surface which is cleaned before is inward, the surface which is not cleaned is outward, the plate reaches the lower part of the dust removal mechanism 5 again after being conveyed, the cleaning and dust removal are completed, and finally the plate is conveyed to fall into the discharge box 2 to complete the dust removal work. In the adsorption process, the airflow can also play a certain dust removal role, and the dust on the surface of the plate and falling on the surface of the conveying belt is adsorbed into the dust collection box 9, so that the dust removal effect is further improved.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.