CN212812195U

CN212812195U - Manual dust blowing device for circuit board

Info

Publication number: CN212812195U
Application number: CN202021896376.2U
Authority: CN
Inventors: 王小刚
Original assignee: Shanghai Yumo Electronic Technology Co ltd
Current assignee: Shanghai Yumo Electronic Technology Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-03-26
Anticipated expiration: 2030-09-02

Abstract

The utility model relates to a manual dirt device that blows of circuit board, be in including brace table and setting brace table upper surface and inside hollow dirt case that blows, it blows the dirt pipe to be provided with the circuit board in the dirt case to blow, it slides and is provided with and can open and be transparent case lid to blow dirt case upper end, it is provided with the fixture that is used for the centre gripping circuit board to blow dirt incasement, fixture is connected including rotating the axis of rotation of dirt case both sides inner wall, two be fixed with between the axis of rotation and connect two the axis of rotation just is used for the spacing frame of fixed circuit board, be provided with the spacing subassembly that prevents that the circuit board from breaking away from on the spacing frame, one of them be fixed with in the axis of rotation and extend to blow the dirt case and be convenient for the drive axis of rotation pivoted handle. This application has the effect that the convenience removes dust to two faces of circuit board.

Description

Manual dust blowing device for circuit board

Technical Field

The application relates to the field of mechanical technology, in particular to a manual dust blowing device for a circuit board.

Background

At present, after the production of the circuit board is finished, the circuit board needs to be carried and stored, dust is easily contaminated in the process, the quality of subsequent packaging is easily influenced by the circuit board contaminated by the dust, and particularly for an FPC (flexible printed circuit) flexible board, the precision and the integration level are higher, and the requirement on dust removal is higher. Therefore, the circuit board is subjected to dust blowing treatment before being packaged. Current processing factory all adopts artificial mode, blows dirt to the circuit board with the air blow gun, but the dust removal effect is not good, and the dust that flies upward can fall on the circuit board again moreover, perhaps is inhaled by the human body, influences the health. In addition, for a softer FPC board, when dust is blown by an air blow gun, impact force is large, and the circuit board is easy to damage.

Chinese patent publication No. CN103223407A discloses an automatic dust blower for FPC boards, belonging to the field of mechanical technology. The dust blowing box comprises a shell, wherein the shell comprises a base, a dust blowing box is installed on the base, a circuit board transportation rail is arranged in the dust blowing box, a dust blowing pipe is arranged above the circuit board transportation rail in the box body of the dust blowing box, a dust collector is arranged below the dust blowing pipe, and an exhaust fan connected with the dust collector is arranged in the dust blowing box. The operator only needs to place the circuit board at circuit board transportation track, and circuit board transportation track is automatic with circuit board input blow the dirt incasement, is located circuit board transportation track's top and is equipped with the dust blowing pipe and blows off the dust on circuit board surface, then the dust arrester of below will blow the dust incasement dust suction, and the circuit board is exported from the other end that blows the dirt case at last.

In view of the above-mentioned related technologies, the inventor believes that impurities such as dust tend to exist on both surfaces of the circuit board, and the above-mentioned device has a good dust removal effect only on one surface of the circuit board, and has a defect that the dust cleaning effect on the other surface of the circuit board is not ideal.

SUMMERY OF THE UTILITY MODEL

In order to remove dust on two faces of the circuit board conveniently, the application provides a manual dust blowing device for the circuit board.

The application provides a manual dirt device that blows of circuit board adopts following technical scheme:

the utility model provides a manual dirt device that blows of circuit board, is in including brace table and setting brace table upper surface and inside hollow dirt case that blows, it is provided with the dirt piece that blows the dirt pipe and collect the dust to blow the circuit board in the case, it slides and is provided with the just transparent case lid that can open to blow dirt case upper end, it is provided with the fixture that is used for the centre gripping circuit board to blow the incasement, fixture connects including rotating the axis of rotation of blowing incasement both sides inner wall, two be fixed with between the axis of rotation and connect two the axis of rotation just is used for the spacing frame of fixed circuit board, be provided with the spacing subassembly that prevents the circuit board and break away from on the spacing frame, one of them be fixed with in the axis of rotation and extend to blow the dirt case outside and be convenient for the drive axis of.

Through adopting above-mentioned technical scheme, will wait to blow the circuit board of dirt and install spacing frame on, fix through spacing subassembly, blow to the circuit board through going out the tuber pipe, the in-process of blowing rotates the handle, makes the circuit board blow the incasement rotation of dirt, is convenient for remove dust to two surfaces of circuit board.

Preferably, spacing frame is including fixing in the axis of rotation and perpendicular to the locating lever of axis of rotation, perpendicular connection are in two the baffle of locating lever, two the locating lever is kept away from the inner wall of axis of rotation has been seted up and has been run through the groove that slides of locating lever, set up on the baffle joint circuit board and with the joint groove of groove intercommunication slides, spacing subassembly is connected two the groove that slides just is in slide the inslot and slide.

Through adopting above-mentioned technical scheme, the circuit board slides to the joint inslot, realizes the installation of circuit board on spacing frame through spacing subassembly.

Preferably, a limiting groove which is parallel to the sliding groove and communicated with the sliding groove is formed in the positioning rod, the limiting assembly comprises a limiting spring fixed in the limiting groove, a limiting rod connected with the two limiting grooves is arranged in the limiting groove in a sliding mode, one end of the limiting spring is fixed in the limiting groove, and the other end of the limiting spring is fixed at the end part of the corresponding limiting rod and pushes the limiting rod to abut against the circuit board.

Through adopting above-mentioned technical scheme, with the circuit board integrated circuit board to joint inslot, under spacing spring's effect, the pulling gag lever post butt is to the lateral wall of circuit board, realizes the connection of circuit board on spacing frame.

Preferably, the two ends of the limiting rod are provided with expansion rods which are slidably clamped in the limiting grooves, one end of the limiting spring is fixed in the limiting groove, the other end of the limiting spring is fixed at the end corresponding to the expansion rods, and the limiting rods can slide and be positioned on the expansion rods.

Through adopting above-mentioned technical scheme, can be according to the size of circuit board size, make the gag lever post slide on expanding the pole, prevent to lead to spacing spring deformation increase because of the circuit board size is too big, and then lead to using circuit board power too big and cause the circuit board to damage.

Preferably, the outer wall of the expansion rod is provided with an expansion groove parallel to the expansion rod, two ends of the limiting rod are slidably clamped in the expansion groove, two ends of the limiting rod in the expansion groove are fixed with guide rods parallel to the expansion rod and penetrating through the expansion rod and far away from the end face of the baffle plate, the outer wall of the guide rod is provided with a plurality of positioning grooves, the connecting line of the positioning grooves is parallel to the axis of the expansion rod, and the end of the expansion rod is rotatably connected with positioning blocks which can be clamped in the positioning grooves.

Through adopting above-mentioned technical scheme, make the gag lever post at expanding the inslot sideslip to suitable position according to the circuit board size, through rotating the locating piece, make the locating piece joint to the constant head tank in, prevent that the guide bar from sliding for expanding the pole.

Preferably, the dust blowing box is provided with a connecting groove on the inner wall thereof, the connecting groove penetrates through the dust blowing box, the box cover is slidably clamped in the connecting groove, and a holding block convenient for the box cover to move is fixed on the box cover along the length direction of the connecting groove.

Through adopting above-mentioned technical scheme, the joint that slides of case lid is in the spread groove, the removal of the case lid of being convenient for.

Preferably, a blower is fixed on the lower surface of the supporting table top plate, one end of the dust blowing pipe is connected to the blower, the other end of the dust blowing pipe penetrates through the side wall of the dust blowing box and extends into the dust blowing box and inclines towards the center of the circuit board, an operating rod penetrating through one side wall of the dust blowing box is arranged on the side wall of the dust blowing box, one end of the operating rod is fixed to the dust blowing pipe, and a holding rod for driving the dust blowing pipe to move along the axial direction is fixed to the other end of the operating rod.

By adopting the technical scheme, the holding rod is held, the position of the air blowing port of the dust blowing pipe is changed, and air blown by the air blower acts on different positions of the two surfaces of the circuit board.

Preferably, the dust collecting member is a dust collector disposed at a bottom of the dust blowing box and used for collecting dust.

Through adopting above-mentioned technical scheme, the dust that will blow down from the circuit board is concentrated to the setting of dust catcher, prevents that the dust from adhering to the circuit board again.

In summary, the present application includes at least one of the following beneficial technical effects:

connecting a circuit board into the clamping groove, pulling the limiting rod to abut against the end face of the circuit board under the action of a limiting spring to fix the circuit board on the limiting frame, starting an air blower to enable flowing air to act on the circuit board, rotating a rotating shaft to rotate to enable the flowing air to act on two faces of the circuit board, and removing dust on the two faces of the circuit board;

the limiting rod slides and is clamped in the expansion groove, so that the phenomenon that the limiting spring is deformed and increased due to the fact that the circuit board is too large in size is prevented, and the circuit board is damaged due to the fact that the force applied to the circuit board is too large.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view of the internal structure of the embodiment of the present application.

Fig. 3 is an enlarged schematic structural diagram of a portion a in fig. 2 according to an embodiment of the present application.

Description of reference numerals: 1. a support table; 2. a dust blowing box; 3. a dust blowing pipe; 4. a box cover; 5. a rotating shaft; 6. a limiting frame; 7. a handle; 8. positioning a rod; 9. a baffle plate; 10. a sliding groove; 11. a clamping groove; 12. a limiting groove; 13. a limiting spring; 14. expanding the rod; 15. expanding the groove; 16. a guide bar; 17. positioning a groove; 18. positioning blocks; 19. a holding block; 20. a blower; 21. an operating lever; 22. a holding rod; 23. a vacuum cleaner; 24. connecting grooves; 25. a limiting rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses manual dust blowing device of circuit board. Referring to fig. 1, a manual dust blowing device of circuit board, including brace table 1 and set up at brace table 1 upper surface and inside hollow dust blowing box 2, be provided with the fixture that is used for fixed circuit board in dust blowing box 2, there is air-blower 20 at brace table 1 roof lower surface mounting, be connected with the dust blowing pipe 3 that runs through dust blowing box 2 lateral wall on air-blower 20, dust blowing pipe 3 inclines towards circuit board central point and removes dust to the circuit board surface of blowing, brace table 1 roof lower surface mounting have with the inside intercommunication of dust blowing box 2 and be used for the collection dust collection's on the circuit board collection piece, the collection piece is dust catcher 23.

Referring to fig. 1 and 2, fixture is including rotating the connection at 2 both sides inner walls of dust blowing case and coaxial axis of rotation 5, be fixed with the spacing frame 6 of connecting two axis of rotation 5 and being used for fixed circuit board between two axis of rotation 5, spacing frame 6 is including fixing the locating lever 8 of fixing in axis of rotation 5 and perpendicular to axis of rotation 5, 8 end fixing has the link plate of connecting another locating lever 8 at the locating lever, set up the groove 10 that slides that runs through locating lever 8 on 8 length direction at the inner wall that axis of rotation 5 was kept away from to two locating levers 8, set up the joint groove 11 that is used for the joint circuit board and communicates with the groove 10 that slides on baffle 9 edge length direction, be provided with the spacing subassembly of connecting two locating levers 8 and preventing that the circuit board from breaking away from spacing frame 6.

Referring to fig. 2 and 3, a limit groove 12 parallel to the sliding groove 10 and communicated with the sliding groove 10 is formed in the positioning rod 8 along the length direction, the limit component comprises a limit spring 13 fixed in the limit groove 12, a limit rod 25 connected with the two limit grooves 12 is arranged in the limit groove 12 in a sliding manner, expansion rods 14 slidably clamped in the limit grooves 12 are arranged at two ends of the limit rod 25, one end of the limit spring 13 is fixed in the limit groove 12, the other end of the limit spring is fixed at the end part of the corresponding expansion rod 14, an expansion groove 15 parallel to the expansion rod 14 is formed in the outer wall of the expansion rod 14, two ends of the limit rod 25 are slidably clamped in the corresponding expansion groove 15, when the size of the circuit board is too large, the limit rod 25 can slide in the expansion groove 15, the damage of the circuit board caused by the overlarge tension of the limit spring 13 is prevented, a guide rod 16 parallel to the expansion rod 14 and penetrating through the expansion rod 14 and far away from the end surface of the baffle 9 is fixed at two ends of the limit rod 25, the outer wall of the guide rod 16 is provided with a plurality of positioning grooves 17, the connecting lines of the positioning grooves 17 are parallel to the axis of the expansion rod 14, the end part of the expansion rod 14 is provided with a rotatable positioning block 18, and the positioning block 18 is connected to the guide rod 16 through a bolt and can be clamped into the corresponding positioning groove 17 to prevent the guide rod 16 from moving relative to the expansion rod 14.

Referring to fig. 1, a handle 7 extending to the outside of the dust blowing box 2 and facilitating the rotation of the driving rotating shaft 5 is fixed on one of the rotating shafts, an operating rod 21 penetrating through the side wall is horizontally arranged on the side wall of the dust blowing box 2, the operating rod 21 can slide on the side wall of the dust blowing box 2 along the length direction of the operating rod 21, the dust blowing pipe 3 located in the dust blowing box 2 is fixed on the operating rod 21, and a holding rod 22 facilitating the pulling of the operating rod 21 to move horizontally is fixed at the end of the operating rod 21 located outside the dust blowing box 2. The handle 7 is rotated to rotate the circuit board in the vertical direction so as to remove dust on two surfaces of the circuit board, and the handle acts on the holding rod 22 to enable the operating rod 21 to drive the dust blowing pipe 3 to move in the dust blowing box 2 so as to clean the surface of the circuit board more completely.

Referring to fig. 1 and 2, a connecting groove 24 penetrating through the two end faces of the dust blowing box 2 is formed in the inner wall of the upper end of the dust blowing box 2, a transparent box cover 4 capable of being opened is slidably arranged in the connecting groove 24, so that the internal condition of the dust blowing box 2 can be observed conveniently, and holding blocks 19 convenient for the movement of the box cover 4 are fixed at the two ends of the box cover 4 along the movement direction.

The implementation principle of the manual dust blowing device for the circuit board in the embodiment of the application is as follows: according to the size of circuit board, make gag lever post 25 slide in expanding groove 15, slide to suitable position when gag lever post 25, rotate locating piece 18, make locating piece 18 joint to the constant head tank 17 in, with the circuit board integrated circuit board to joint inslot 11 in, under spacing spring 13's effect, make gag lever post 25 support tightly on the lateral wall of circuit board, realize the installation on the circuit board, air-blower 20 effect, rotate handle 7, make the circuit board rotate in vertical direction, so that remove dust to two surfaces of circuit board, act on holding rod 22, it blows dirt pipe 3 and at the internal motion of blowing dirt case 2 to drive, so that better remove dust to the circuit board surface.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a manual dirt device that blows of circuit board, is in including brace table (1) and setting brace table (1) upper surface and inside hollow dust blowing box (2), be provided with in dust blowing box (2) and blow dirt pipe (3) and the collection piece of collection dust that blows to the circuit board, its characterized in that: blow dust case (2) upper end and slide and be provided with openable and be transparent case lid (4), be provided with the fixture that is used for the centre gripping circuit board in the dust case (2), fixture is connected including rotating the axis of rotation (5) of dust case (2) both sides inner wall, two be fixed with between axis of rotation (5) and connect two axis of rotation (5) and be used for fixed circuit board's spacing frame (6), be provided with the spacing subassembly that prevents the circuit board and break away from on spacing frame (6), be fixed with on one of them axis of rotation (5) and extend to blow dust case (2) outer and be convenient for axis of rotation (5) pivoted handle (7).

2. A manual dust blowing device for circuit boards according to claim 1, wherein: spacing frame (6) is including fixing on axis of rotation (5) and perpendicular to locating lever (8), the perpendicular connection of axis of rotation (5) are two baffle (9), two of locating lever (8) are kept away from the inner wall of axis of rotation (5) has been seted up and has been run through the groove (10) that slides of locating lever (8), set up on baffle (9) joint circuit board and with joint groove (11) of groove (10) intercommunication that slides, spacing subassembly is connected two slide groove (10) and slide in the groove (10).

3. A manual dust blowing device for circuit boards according to claim 2, wherein: set up in locating lever (8) and be on a parallel with the groove of sliding (10) and with spacing groove (12) of groove of sliding (10) intercommunication, spacing subassembly is including fixing spacing spring (13) in spacing groove (12), spacing groove (12) internal slipping is provided with connects two gag lever post (25) of spacing groove (12), spacing spring (13) one end is fixed in spacing groove (12), the other end is fixed at corresponding gag lever post (25) tip and pulling gag lever post (25) butt in the circuit board.

4. A manual dust blowing device for circuit boards according to claim 3, wherein: gag lever post (25) both ends are provided with the joint that slides and are in expansion pole (14) in spacing groove (12), spacing spring (13) one end is fixed in spacing groove (12), and the other end is fixed and is corresponded the tip of expansion pole (14), gag lever post (25) can slide and fix a position on expansion pole (14).

5. A manual dust blowing device for circuit boards according to claim 4, wherein: the expansion rod (14) outer wall is provided with an expansion groove (15) parallel to the expansion rod (14), the two ends of the limiting rod (25) are slidably clamped in the expansion groove (15), the two ends of the limiting rod (25) located in the expansion groove (15) are fixed with a guide rod (16) parallel to the expansion rod (14) and penetrating through the expansion rod (14) far away from the end face of the baffle (9), the outer wall of the guide rod (16) is provided with a plurality of positioning grooves (17), the connecting lines of the positioning grooves (17) are parallel to the axis of the expansion rod (14), and the end part of the expansion rod (14) is rotatably connected with a positioning block (18) which can be clamped in the positioning grooves (17).

6. A manual dust blowing device for circuit boards according to claim 1, wherein: offer on dust box (2) inner wall and run through to connecting groove (24) of dust box (2) both ends face, the joint that slides of case lid (4) is in connecting groove (24), be fixed with on case lid (4) along connecting groove (24) length direction and be convenient for holding piece (19) that case lid (4) removed.

7. A manual dust blowing device for circuit boards according to claim 1, wherein: supporting bench (1) roof lower table is fixed with air-blower (20), blow dirt pipe (3) one end and connect on air-blower (20), the other end runs through blow dirt case (2) lateral wall stretches into just put the slope towards circuit board central point in the dust blowing case (2), be provided with on dust blowing case (2) lateral wall and run through blow dirt case (2) operating lever (21) of one of them lateral wall, operating lever (21) one end is fixed blow on dirt pipe (3), the other end is fixed with the drive and blows dirt pipe (3) along axial motion hold pole (22).

8. A manual dust blowing device for circuit boards according to claim 1, wherein: the dust collecting piece is a dust collector (23) which is arranged at the bottom of the dust blowing box (2) and is used for collecting dust.