CN214101941U

CN214101941U - Hot air knife device for multilayer circuit board tin spraying

Info

Publication number: CN214101941U
Application number: CN202120258520.8U
Authority: CN
Inventors: 黄琼煌
Original assignee: Fujian Kayfung Electronic Co ltd
Current assignee: Fujian Kayfung Electronic Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-08-31
Anticipated expiration: 2031-01-29

Abstract

The utility model relates to a circuit board production technical field just discloses a multilayer circuit board hot-blast sword device for tin spraying, including fixed plate and sword groove, the top swing joint of fixed plate has the slider, one side at slider top middle part is equipped with the fixed slot, and the bottom fixedly connected with motor of fixed slot inner chamber, the terminal fixedly connected with electric telescopic handle of output shaft of motor, electric telescopic handle's the fixed C type frame of top fixedly connected with, the inner chamber swing joint of fixed C type frame has the movable block, the both ends in the movable block outside all are equipped with the draw-in groove. This multilayer circuit board hot-blast sword device for tin spraying, through the setting of motor, the rotation of motor can drive the rotation of the electric telescopic handle of looks fixed connection with it, and electric telescopic handle drives the sword groove through fixed C type frame and takes place to rotate, and the deflection angle of sword groove in the horizontal plane can change, and the hot-blast sword of being convenient for blows off the unnecessary tin liquid in circuit board surface.

Description

Hot air knife device for multilayer circuit board tin spraying

Technical Field

The utility model relates to a circuit board production technical field specifically is a multilayer circuit board hot-blast sword device for tin spraying.

Background

The tin spraying device is also called hot air leveling, namely a production board with a solder mask is immersed into a melted solder, and then the redundant solder on the surface of the production board and in a metalized hole is blown off by hot air, so that a smooth and uniform bright solder coating layer is obtained.

SUMMERY OF THE UTILITY MODEL

Not enough to current multilayer circuit board hot-blast sword device for tin spraying, the utility model provides a multilayer circuit board hot-blast sword device for tin spraying possesses the deflection angle that can adjust between hot-blast sword and the circuit board according to the demand, is convenient for improve the advantage such as quality of circuit board tin spraying, has solved the problem of proposing among the above-mentioned background art.

The utility model provides a following technical scheme: a hot air knife device for multilayer circuit board tin spraying comprises a fixed plate and a knife groove, wherein the top of the fixed plate is movably connected with a slide block, one side of the middle part of the top of the slide block is provided with a fixed groove, the bottom of the inner cavity of the fixed groove is fixedly connected with a motor, the tail end of an output shaft of the motor is fixedly connected with an electric telescopic rod, the top of the electric telescopic rod is fixedly connected with a fixed C-shaped frame, the inner cavity of the fixed C-shaped frame is movably connected with a movable block, the two ends of the outer side of the movable block are respectively provided with a clamping groove, the two sides of one end of the knife groove are respectively and fixedly connected with a clamping block, the clamping block is matched with the clamping grooves, one side of the top of the knife groove is fixedly connected with an air pipe, the middle part of the top of the other end of the knife groove is fixedly connected with a fixed sleeve, the inner cavity of the fixed sleeve is fixedly sleeved with a double-headed lead screw, the outer rings at the two ends of the double-headed lead screw are respectively in threaded connection with a threaded sleeve, the bottom fixedly connected with closing plate of thread bush, the both sides of the sword groove other end all are equipped with the movable hole, the closing plate extends to the inner chamber in sword groove through the movable hole, just the closing plate is swing joint mutually with the inner chamber in movable hole, just the top and the bottom of closing plate all contact with the inner wall in sword groove.

Preferably, one side at the top of the fixing plate is provided with a groove, and the groove is matched with the bottom end of the motor.

Preferably, the fixed plate is L-shaped, and threaded holes are uniformly formed in one side of the fixed plate and two sides of the bottom end of the sliding block.

Preferably, one side fixedly connected with backup pad of fixed C type frame, and the top fixedly connected with motor of backup pad is one, the terminal fixedly connected with connecting rod of output shaft of motor one, and the other end of connecting rod runs through the lateral wall of fixed C type frame and extends to the inner chamber of fixed C type frame, the lateral wall looks swing joint of connecting rod and fixed C type frame, the other end of connecting rod and the middle part looks fixed connection of movable block one end, another connecting rod of middle part fixedly connected with of the movable block other end, the other end of another connecting rod and the other side looks swing joint of fixed C type frame inner chamber.

Preferably, a toothed ring is fixedly connected to the outer ring of the middle of the double-end screw rod, a second motor is fixedly connected to the middle of the top of the other end of the cutter groove, a gear is fixedly connected to the tail end of an output shaft of the second motor, the gear is meshed with the toothed ring, and scale marks are arranged on the top of the other end of the cutter groove.

Compare with current multilayer circuit board hot-blast sword device for tin spraying, the utility model discloses possess following beneficial effect:

1. this multilayer circuit board hot-blast sword device for tin spraying, through the setting of motor, the rotation of motor can drive the rotation of the electric telescopic handle of looks fixed connection with it, and electric telescopic handle drives the sword groove through fixed C type frame and takes place to rotate, and the deflection angle of sword groove in the horizontal plane can change, and the hot-blast sword of being convenient for blows off the unnecessary tin liquid in circuit board surface.

2. This multilayer circuit board hot-blast sword device for tin spraying, through the setting of motor, the rotation of motor can drive the connecting rod rotation of looks fixed connection with it, and the connecting rod drives the movable block rotation of looks fixed connection with it, and the movable block drives the sword groove rotation of looks joint with it, and the angle of sword groove in vertical plane can change, the use of the device of being convenient for.

Drawings

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

FIG. 2 is an exploded view of the structure of FIG. 1;

fig. 3 is an enlarged schematic view of the structure motor of the present invention.

In the figure: 1. a fixing plate; 2. a slider; 3. a groove; 4. a motor; 5. an electric telescopic rod; 6. fixing the C-shaped frame; 7. a first motor; 8. a movable block; 9. a cutter groove; 10. an air duct; 11. fixing a sleeve; 12. a double-end screw rod; 13. a threaded sleeve; 14. a sealing plate; 15. a clamping block; 16. a movable hole; 17. a toothed ring; 18. a second motor; 19. a gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a hot air knife device for multi-layer circuit board tin spraying comprises a fixed plate 1 and a knife slot 9, wherein the top of the fixed plate 1 is movably connected with a slide block 2, a user can adjust the position of the knife slot 9 according to the requirement through the arrangement of the slide block 2, the position of the hot air knife sprayed out of the knife slot 9 is changed, the practicability of the device is improved, one side of the middle part of the top of the slide block 2 is provided with a fixed slot, the bottom of the inner cavity of the fixed slot is fixedly connected with a motor 4, through the arrangement of the motor 4, the motor 4 rotates to drive an electric telescopic rod 5 fixedly connected with the motor 4, the electric telescopic rod 5 drives the knife slot 9 to rotate through a fixed C-shaped frame 6, the deflection angle of the knife slot 9 in the horizontal plane can be changed, the hot air knife can conveniently blow off redundant tin liquid on the surface of the circuit board, the tail end of an output shaft of the motor 4 is fixedly connected with the electric telescopic rod 5, through the arrangement of the electric telescopic rod 5, the height of the knife groove 9 fixedly connected with the electric telescopic rod 5 can be changed through the expansion and contraction of the electric telescopic rod 5, the excessive tin liquid on a circuit board can be conveniently blown off by a hot air knife sprayed out of the knife groove 9, the top of the electric telescopic rod 5 is fixedly connected with the fixed C-shaped frame 6, the inner cavity of the fixed C-shaped frame 6 is movably connected with the movable block 8, the two ends of the outer side of the movable block 8 are respectively provided with a clamping groove, the two sides of one end of the knife groove 9 are respectively and fixedly connected with a clamping block 15, the clamping blocks 15 are matched with the clamping grooves, through the arrangement of the clamping blocks 15 and the clamping grooves, a user can conveniently replace the knife groove 9 according to requirements, the device can adapt to circuit boards with different sizes, one side of the top of the knife groove 9 is fixedly connected with an air pipe 10, the middle part of the top of the other end of the knife groove 9 is fixedly connected with a fixing sleeve 11, the inner cavity of the fixing sleeve 11 is fixedly connected with a double-head screw rod 12, and the outer rings at the two ends of the double-head screw rod 12 are respectively in threaded connection with a threaded sleeve 13, the bottom fixedly connected with closing plate 14 of thread bush 13, the both sides of the sword groove 9 other end all are equipped with movable hole 16, closing plate 14 extends to the inner chamber of sword groove 9 through movable hole 16, and closing plate 14 and movable hole 16's inner chamber looks swing joint, and the top of closing plate 14 and bottom all contact with the inner wall of sword groove 9, through the setting of double-end lead screw 12, two thread bushes 13 that the rotation of double-end lead screw 12 can make threaded connection mutually with it keep away from each other or be close to each other, two thread bushes 13 drive the closing plate 14 of looks fixed connection with it and remove, the distance between two closing plate 14 can change, the size of the hot-blast sword of sword groove 9 spun can change, the use of the device of being convenient for, the device can adapt to not unidimensional circuit board, the practicality of the device has been improved.

Wherein, one side at fixed plate 1 top is equipped with recess 3, and recess 3 and motor 4's bottom looks adaptation are convenient for motor 4's removal.

Wherein, the shape of fixed plate 1 is the L type, and the both sides of one side of

fixed plate

1 and 2 bottoms of slider all evenly are equipped with the screw hole, are convenient for fix fixed plate 1 in suitable position department and the position of the fixed slider 2 of being convenient for.

Wherein, one side of the fixed C-shaped frame 6 is fixedly connected with a supporting plate, the top of the supporting plate is fixedly connected with a first motor 7, the tail end of an output shaft of the first motor 7 is fixedly connected with a connecting rod, the other end of the connecting rod penetrates through the side wall of the fixed C-shaped frame 6 and extends to the inner cavity of the fixed C-shaped frame 6, the connecting rod is movably connected with the side wall of the fixed C-shaped frame 6, the other end of the connecting rod is fixedly connected with the middle part of one end of a movable block 8, the middle part of the other end of the movable block 8 is fixedly connected with another connecting rod, the other end of the other connecting rod is movably connected with the other side of the inner cavity of the fixed C-shaped frame 6, through the arrangement of the first motor 7, the rotation of the first motor 7 can drive the connecting rod fixedly connected with the first motor to rotate, the connecting rod drives the movable block 8 fixedly connected with the connecting rod to rotate, the movable block 8 drives a knife groove 9 clamped with the movable block to rotate, and the angle of the knife groove 9 in a vertical plane can be changed, facilitating the use of the device.

Wherein, the outer lane fixedly connected with ring gear 17 in the middle part of double-end lead screw 12, the middle part fixedly connected with motor two 18 at the top of the other end of sword groove 9, the terminal fixedly connected with gear 19 of output shaft of motor two 18, gear 19 meshes with ring gear 17 mutually, through the setting of motor two 18, the rotation of motor two 18 can drive gear 19 with it looks fixedly connected with and rotate, gear 19 drives double-end lead screw 12 through the ring gear 17 with it meshes and rotates, the top of the sword groove 9 other end is equipped with the scale mark, through the setting of scale mark, convenient to use person adjusts the distance between two sealing plates 14, be convenient for control hot-blast sword's size.

The working principle is as follows: when the device is used, a worker adjusts the position of the sliding block 2 on the fixing plate 1 and fixes the sliding block 2 on the fixing plate 1 by using a screw, the worker fixes the fixing plate 1 at the proper position by using the screw, when the device is used, hot air generating equipment connected with an air pipe 10 is started, hot air generated by the hot air generating equipment enters an inner cavity of the knife groove 9 through the air pipe 10 and is sprayed out through the other end of the knife groove 9, the hot air sprayed at the knife groove 9 forms a hot air knife, so that redundant tin liquid adhered on a circuit board can be blown off conveniently, if the deflection angle of the hot air knife needs to be adjusted, the worker starts the motor 4 and the motor I7, the rotation of the motor 4 can drive the electric telescopic rod 5 fixedly connected with the motor 4 to rotate, and the electric telescopic rod 5 drives the knife groove 9 to rotate through the fixed C-shaped frame 6, the deflection angle of the knife slot 9 in the horizontal plane can be changed, the rotation of the motor I7 drives the connecting rod fixedly connected with the motor I to rotate, the connecting rod drives the movable block 8 fixedly connected with the connecting rod to rotate, the movable block 8 drives the knife slot 9 clamped with the movable block to rotate, the angle of the knife slot 9 in the vertical plane can be changed, the motor I7 is matched with the motor 4 for use, a user can adjust the position of the hot air knife, if the size of the hot air knife needs to be changed, the worker starts the motor II 18, the rotation of the motor II 18 drives the gear 19 fixedly connected with the motor II to rotate, the gear 19 drives the double-end screw rod 12 to rotate through the toothed ring 17 meshed with the gear 19, the rotation of the double-end screw rod 12 can enable the two thread sleeves 13 in threaded connection with the double-end screw rod to be far away from or close to each other, the two thread sleeves 13 drive the sealing plate 14 fixedly connected with the double-end screw rod to move, the distance between the two sealing plates 14 can be changed, the size of the hot air knife sprayed out of the knife groove 9 can be changed, the device is convenient to use, the device can adapt to circuit boards with different sizes, and the practicability of the device is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a multilayer circuit board hot-blast sword device for hot air blast tin spraying, includes fixed plate (1) and sword groove (9), its characterized in that: the top of the fixing plate (1) is movably connected with a sliding block (2), one side of the middle part of the top of the sliding block (2) is provided with a fixing groove, the bottom of the inner cavity of the fixing groove is fixedly connected with a motor (4), the tail end of an output shaft of the motor (4) is fixedly connected with an electric telescopic rod (5), the top of the electric telescopic rod (5) is fixedly connected with a fixed C-shaped frame (6), the inner cavity of the fixed C-shaped frame (6) is movably connected with a movable block (8), two ends of the outer side of the movable block (8) are respectively provided with a clamping groove, two sides of one end of the cutter groove (9) are respectively and fixedly connected with a clamping block (15), the clamping blocks (15) are matched with the clamping grooves, one side of the top of the cutter groove (9) is fixedly connected with an air pipe (10), the middle part of the top of the other end of the cutter groove (9) is fixedly connected with a fixing sleeve (11), and the inner cavity of the fixing sleeve (11) is fixedly sleeved with a double-headed screw rod (12), the utility model discloses a double-end lead screw, including thread bush (12), closing plate (14), activity hole (16), closing plate (14) extend to the inner chamber of sword groove (9) through activity hole (16), just closing plate (14) and the inner chamber looks swing joint of activity hole (16), just the top and the bottom of closing plate (14) all contact with the inner wall of sword groove (9).

2. The hot air knife device for multi-layer circuit board tin spraying according to claim 1, characterized in that: one side at fixed plate (1) top is equipped with recess (3), recess (3) and the bottom looks adaptation of motor (4).

3. The hot air knife device for multi-layer circuit board tin spraying according to claim 1, characterized in that: the shape of fixed plate (1) is the L type, the both sides of one side of fixed plate (1) and slider (2) bottom all evenly are equipped with the screw hole.

4. The hot air knife device for multi-layer circuit board tin spraying according to claim 1, characterized in that: the utility model discloses a fixed C type frame (6) for the automobile seat, including fixed C type frame (6), one side fixedly connected with backup pad, and the top fixedly connected with motor (7) of backup pad, the terminal fixedly connected with connecting rod of output shaft of motor (7), and the other end of connecting rod runs through the lateral wall of fixed C type frame (6) and extends to the inner chamber of fixed C type frame (6), the lateral wall looks swing joint of connecting rod and fixed C type frame (6), the other end of connecting rod and the middle part looks fixed connection of movable block (8) one end, another connecting rod of middle part fixedly connected with of the movable block (8) other end, the other end of another connecting rod and the other side looks swing joint of fixed C type frame (6) inner chamber.

5. The hot air knife device for multi-layer circuit board tin spraying according to claim 1, characterized in that: the outer ring of the middle part of the double-end screw rod (12) is fixedly connected with a toothed ring (17), the middle part of the top of the other end of the cutter groove (9) is fixedly connected with a second motor (18), the tail end of an output shaft of the second motor (18) is fixedly connected with a gear (19), the gear (19) is meshed with the toothed ring (17), and the top of the other end of the cutter groove (9) is provided with scale marks.