CN212798619U

CN212798619U - Feeding device for circuit board tin spraying

Info

Publication number: CN212798619U
Application number: CN202021771826.5U
Authority: CN
Inventors: 何礼; 李喜忠
Original assignee: Wuping Junda Electronic Technology Co ltd
Current assignee: Wuping Junda Electronic Technology Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-03-26
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a feeding device for spraying tin on a circuit board, which belongs to the technical field of circuit board processing, and comprises a base, wherein the middle position of the base is rotationally connected with a rotating column, two clamping mechanisms are fixedly connected on the same height of the surface of the rotating column, the two clamping mechanisms are vertically arranged, a driving motor is fixedly arranged in the inner cavity of the base, the output shaft of the driving motor is in transmission connection with the rotating column through a transmission mechanism, the clamping mechanisms comprise a transverse plate, a gas claw, a cylinder, a first rotating seat and a second rotating seat, the first end of the transverse plate is fixed on the rotating column, the second end of the transverse plate is in transmission connection with the bottom end of the gas claw, the first end of the cylinder is in transmission connection with the top of the transverse plate through the first rotating seat, the second end of the transverse plate is in transmission connection with the top end of the gas claw through the second rotating seat, the convenience of a user uses the circuit board, the labor intensity of the user is reduced, and the production efficiency of the circuit board is improved.

Description

Feeding device for circuit board tin spraying

Technical Field

The utility model relates to a circuit board processing technology field specifically is a feedway is used to circuit board hot air leveling.

Background

The printed circuit board can be classified into a tin-spraying board, a gold-melting board, a silver-melting board, an OSP board and the like in terms of production and manufacturing processes. The tin-spraying plate is a common type of PCB, is generally a multilayer (4-46 layers) high-precision PCB, and is used in the fields and products of various electronic devices, communication products, computers, medical equipment, aerospace and the like. The hot air spraying is a step and a process flow in the production and manufacturing process of the PCB, and particularly, the PCB is immersed in a molten soldering tin pool, so that all exposed copper surfaces are covered by the soldering tin, and then the excessive soldering tin on the PCB is removed through a hot air cutter. Because the surface of the circuit board after tin spraying and the solder paste are the same, the welding strength and the reliability are better

When the circuit board is processed and produced, the circuit board needs to be subjected to tin spraying treatment, at present, in the tin spraying treatment process, the circuit board needs to be manually subjected to feeding and discharging operation at a feeding hole of tin spraying equipment, the operation is complex, the labor intensity of a user is increased, the circuit board is inconvenient to use by the user, and the production efficiency of the circuit board is reduced.

Based on this, the utility model designs a specifically be a feedway is used to circuit board hot air solder leveling to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a feedway is used to circuit board hot air solder leveling to in solving the above-mentioned background art and proposing, need artifical manual feeding and discharging operation to the circuit board at the feed inlet of hot air solder leveling equipment, the operation is comparatively loaded down with trivial details, has increased user's intensity of labour's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a feeding device for circuit board tin spraying comprises a base, wherein a rotating column is rotatably connected to the middle position of the base, two clamping mechanisms are fixedly connected to the same height of the surface of the rotating column, the two clamping mechanisms are vertically arranged, a driving motor is fixedly installed in an inner cavity of the base, and an output shaft of the driving motor is in transmission connection with the rotating column through a transmission mechanism;

the clamping mechanism comprises a transverse plate, a gas claw, a cylinder, a first rotating seat and a second rotating seat, the first end of the transverse plate is fixed on the rotating column, the second end of the transverse plate is connected with the bottom end of the gas claw in a rotating mode, the first end of the cylinder is connected with the top of the transverse plate in a rotating mode through the first rotating seat, and the second end of the cylinder is connected with the top end of the gas claw in a rotating mode through the second rotating seat.

The utility model discloses as above feedway for circuit board tin spraying, it is further, drive mechanism includes dwang, worm wheel, worm, first bevel gear and second bevel gear, the dwang transversely rotates to be connected on the right wall of base, driving motor fixed mounting is on the roof of the corresponding dwang of base, the fixed surface of dwang installs the worm wheel, driving motor's output shaft fixedly connected with and worm wheel engaged with worm, the left end fixedly connected with first bevel gear of dwang, the bottom of rotation post stretches into the inner chamber and the fixedly connected with and the second bevel gear engaged with of first bevel gear to the base.

The utility model discloses as above feedway for circuit board hot air leveling, it is further, the first locating piece of right side fixedly connected with at diaphragm top, the right side fixedly connected with second locating piece of diaphragm bottom.

The utility model discloses as above feedway for circuit board tin spraying, it is further, work as when the gas claw is located vertical state, one side and the first locating piece contact that the gas claw is close to the diaphragm.

The utility model discloses as above feedway for circuit board tin spraying, it is further, work as when the gas claw is located the horizontality, the gas claw is close to one side and the contact of second locating piece of diaphragm.

The utility model discloses as above feedway for circuit board hot air leveling, it is further, the inboard fixedly connected with rubber pad of two clamping jaws of gas claw, the thickness of rubber pad is 5-8 mm.

The utility model discloses as above feedway for circuit board hot air leveling, it is further, the equal fixed mounting in four corners of base bottom has the support truckle.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model enables the two clamping mechanisms on the rotating column to rotate through the matching of the rotating column, the driving motor and the transmission mechanism; one of them fixture of two fixture is used for placing the circuit board on tin spraying equipment, and another fixture is used for taking off the circuit board on the tin spraying equipment, and two fixture can the synchronization work, need not artifical manual feeding and discharging operation to the circuit board at tin spraying equipment's feed inlet, and the person of facilitating the use uses, has reduced user's intensity of labour, and then has improved the production efficiency of circuit board.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of the present invention;

fig. 2 is a schematic front view of the present invention;

fig. 3 is a schematic perspective view of the clamping mechanism of the present invention;

FIG. 4 is a schematic sectional view of the base structure of the present invention;

fig. 5 is a perspective view of another state of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-base, 2-rotating column, 3-clamping mechanism, 31-transverse plate, 32-pneumatic claw, 33-air cylinder, 34-first rotating seat, 35-second rotating seat, 36-first positioning block, 37-second positioning block, 38-rubber pad, 4-driving motor, 5-rotating rod, 6-worm gear, 7-worm, 8-first bevel gear, 9-second bevel gear and 10-supporting caster.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a feeding device for spraying tin on a circuit board comprises a base 1, wherein supporting trundles 10 are fixedly arranged at four corners of the bottom of the base 1, so that the device is convenient to move, a user can conveniently adjust the position of the device, a rotating column 2 is rotatably connected to the middle position of the base 1, two clamping mechanisms 3 are fixedly connected to the same height of the surface of the rotating column 2, the two clamping mechanisms 3 are vertically arranged, a driving motor 4 is fixedly arranged in an inner cavity of the base 1, an output shaft of the driving motor 4 is in transmission connection with the rotating column 2 through a transmission mechanism, specifically, the transmission mechanism comprises a rotating rod 5, a worm wheel 6, a worm 7, a first bevel gear 8 and a second bevel gear 9, the rotating rod 5 is transversely and rotatably connected to the right wall of the base 1, the driving motor 4 is fixedly arranged on the top wall of the base 1 corresponding to the rotating rod 5, the worm, the output shaft of the driving motor 4 is fixedly connected with a worm 7 meshed with the worm wheel 6, the left end of the rotating rod 5 is fixedly connected with a first bevel gear 8, the bottom end of the rotating column 2 extends into the inner cavity of the base 1 and is fixedly connected with a second bevel gear 9 meshed with the first bevel gear 8, wherein the driving motor 4 is a servo motor, and the rotating column 2 is enabled to have a better stabilizing effect when stopping rotating by the aid of cooperation of the rotating rod 5, the worm wheel 6, the worm 7, the first bevel gear 8 and the second bevel gear 9, so that the circuit board can be conveniently grabbed by the clamping mechanism 3;

the clamping mechanism 3 comprises a transverse plate 31, an air claw 32, an air cylinder 33, a first rotating seat 34 and a second rotating seat 35, rubber pads 38 are fixedly connected to the inner sides of two clamping jaws of the air claw 32, the thickness of each rubber pad 38 is 5mm, when the circuit board is clamped, a certain protection effect is achieved on the circuit board, a first end of the transverse plate 31 is fixed on the rotating column 2, a second end of the transverse plate 31 is rotatably connected with the bottom end of the air claw 32, a first end of the air cylinder 33 is rotatably connected with the top of the transverse plate 31 through the first rotating seat 34, a second end of the air cylinder 33 is rotatably connected with the top end of the air claw 32 through the second rotating seat 35, a first positioning block 36 is fixedly connected to the right side of the top of the transverse plate 31, a second positioning block 37 is fixedly connected to the right side of the bottom of the transverse plate 31, and when the air claw 32; when the gas claw 32 is in a horizontal state, one side of the gas claw 32 close to the transverse plate 31 is in contact with the second positioning block 37, and the gas claw 32 is further limited through the arrangement of the first positioning block 36 and the second positioning block 37, so that the gas claw 32 can quickly and accurately reach a preset position.

One specific application of this embodiment is: two mutually perpendicular clamping mechanisms 3 are arranged on the rotating column 2, as shown in fig. 1, the clamping mechanism 3 on the right side is used for feeding, the clamping mechanism 3 on the rear side is used for discharging, the feeding platform is arranged on the right side of the base 1, the discharging platform is arranged on the left side, and tin spraying equipment is arranged on the rear side;

when the device is in a state shown in fig. 1, the air cylinder 33 on the right clamping mechanism 3 extends to enable the air cylinder 33 to rotate to be horizontally arranged, then the air claw 32 is started to clamp a circuit board on the feeding table, then the air cylinder 33 is shortened to drive the air cylinder 33 to rotate to a vertical position, then the driving motor 4 is started to enable the rotating column 2 to rotate 90 degrees, as shown in fig. 2, the right clamping mechanism 3 rotates to the rear side of the base 1 and is matched with a feeding hole of tin spraying equipment, then the tin spraying equipment clamps the circuit board, the air claw 32 loosens the circuit board, the tin spraying equipment moves the circuit board downwards to a soldering tin bath to spray tin, and feeding operation can be completed;

when the device is in a state shown in fig. 1, the rear clamping mechanism 3 is matched with a feed inlet of tin spraying equipment, the air cylinder 33 on the rear clamping mechanism 3 is shortened, the air cylinder 33 is driven to rotate to be vertically arranged, the circuit board is moved upwards by the tin spraying equipment after tin spraying is finished, then the air claw 32 is started to clamp the circuit board on the tin spraying equipment, the tin spraying equipment loosens the circuit board, the driving motor 4 is started again to enable the rotating column 2 to rotate 90 degrees, as shown in fig. 2, the rear clamping mechanism 3 rotates to the left side of the base 1 and is matched with a blanking table, then the air cylinder 33 extends to drive the air cylinder 33 to rotate to a horizontal position, the air claw 32 loosens the circuit board, the circuit board can be placed on the blanking table, and blanking;

when the right clamping mechanism 3 performs grabbing operation on the feeding table, the rear clamping mechanism 3 grabs a circuit board on the tin spraying equipment; when the rear clamping mechanism 3 unloads on the tin spraying equipment, the left clamping mechanism 3 unloads on the unloading platform.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a feeding device for circuit board hot air solder leveling, includes base (1), its characterized in that: the rotary column (2) is rotatably connected to the middle position of the base (1), two clamping mechanisms (3) are fixedly connected to the same height of the surface of the rotary column (2), the two clamping mechanisms (3) are vertically arranged, a driving motor (4) is fixedly installed in the inner cavity of the base (1), and an output shaft of the driving motor (4) is in transmission connection with the rotary column (2) through a transmission mechanism;

fixture (3) rotate seat (35) including diaphragm (31), gas claw (32), cylinder (33), first rotation seat (34) and second, the first end of diaphragm (31) is fixed and is rotated the bottom of post (2) on, second end and gas claw (32) and rotate and be connected, the first end of cylinder (33) is rotated the top of being connected, the second end through second rotation seat (35) and gas claw (32) through first rotation seat (34) and diaphragm (31) and is rotated and be connected.

2. The feeding device for the tin spraying of the circuit board according to claim 1, characterized in that: drive mechanism includes dwang (5), worm wheel (6), worm (7), first bevel gear (8) and second bevel gear (9), dwang (5) transverse rotation is connected on the right wall of base (1), driving motor (4) fixed mounting is on the roof that base (1) corresponds dwang (5), the fixed surface of dwang (5) installs worm wheel (6), the output shaft fixedly connected with and worm wheel (6) engaged with worm (7) of driving motor (4), the left end fixedly connected with first bevel gear (8) of dwang (5), the bottom of rotation post (2) stretches into the inner chamber and the fixedly connected with second bevel gear (9) with first bevel gear (8) engaged with of base (1).

3. The feeding device for the tin spraying of the circuit board according to claim 1, characterized in that: the right side of diaphragm (31) top fixedly connected with first locating piece (36), the right side fixedly connected with second locating piece (37) of diaphragm (31) bottom.

4. The feeding device for the tin spraying of the circuit board according to claim 3, characterized in that: when the air claw (32) is in a vertical state, one side, close to the transverse plate (31), of the air claw (32) is in contact with the first positioning block (36).

5. The feeding device for the tin spraying of the circuit board according to claim 3, characterized in that: when the air claw (32) is in a horizontal state, one side of the air claw (32) close to the transverse plate (31) is in contact with the second positioning block (37).

6. The feeding device for the tin spraying of the circuit board according to claim 1, characterized in that: the inner sides of the two clamping jaws of the pneumatic jaw (32) are fixedly connected with rubber pads (38), and the thickness of each rubber pad (38) is 5-8 mm.

7. The feeding device for the tin spraying of the circuit board according to claim 1, characterized in that: four corners of the bottom of the base (1) are fixedly provided with supporting trundles (10).