CN211047431U

CN211047431U - Hot air leveling device for processing PCB

Info

Publication number: CN211047431U
Application number: CN201922198140.5U
Authority: CN
Inventors: 陈啸枫
Original assignee: Shenzhen City Sheng Yi Fast Circuit Co ltd
Current assignee: Shenzhen City Sheng Yi Fast Circuit Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-07-17
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses a hot-blast leveling device is used in processing of PCB board, which comprises a bracket, the pneumatic cylinder is installed through the bolt in the below at support top middle part, the output shaft below welding of pneumatic cylinder has the couple, it has the grip block to hang on the couple, the pneumatic cylinder drives the grip block reciprocates, the welding of support below intermediate position has the platform, the welding of platform top has the tin alloy stove, and this scheme through the three direction centre gripping PCB board of riser, second riser and diaphragm, all installs L clamp blocks through the bolt on riser, second riser and diaphragm, presss from both sides the clamp block through L and tightly makes the PCB board more firm and the dismouting of being convenient for, and L clamp blocks have certain length and width, and the stress point can not concentrate on one is in some, can press from both sides tight PCB board and avoided the PCB board to be pressed from both sides bad again, easy operation, convenient to use is worth promoting.

Description

Hot air leveling device for processing PCB

Technical Field

The utility model relates to a hot-blast flattening technical field specifically is a hot-blast flattening device is used in PCB board processing.

Background

The hot air leveling process, referred to as hot air leveling for short, means that a printed board is immersed into molten tin alloy, and then the excessive tin alloy on the board surface and in a metalized hole is blown off by hot compressed air through between two air knives, so that a smooth, bright and uniform-thickness weldable coating layer is obtained.

Traditional printing board clamping tool is a rectangular plate, and the recess of a rectangular shape is seted up at the lower extreme middle part of rectangular plate, and it is fixed in the recess to print the board joint, and this kind of fixed mode is firm inadequately, and the printing board is followed to be equipped with molten tin alloy stove after coming out, blasts through the air knife, and the air knife blows off the printing board easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hot-blast leveling device is used in processing of PCB board to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hot-blast leveling device is used in PCB board processing, includes the support, the pneumatic cylinder is installed through the bolt in the below at support top middle part, the welding of the output shaft below of pneumatic cylinder has the fixed plate, the welding of fixed plate below has the couple, it has the grip block to hang on the couple, the pneumatic cylinder drives the grip block reciprocates, first base is installed through the bolt to support below intermediate position, the welding of first base top has the landing leg, the welding of landing leg top has the platform, the welding of platform top has the tin alloy stove, the air knife is all installed through the bolt in both sides about tin alloy stove top.

Preferably, the support comprises first montant, second montant and horizontal pole, first montant with the second montant welds respectively the horizontal pole left and right sides, first montant with second montant bottom all welds the second base.

Preferably, two hooks welded below the fixing plate are arranged.

Preferably, the grip block comprises first riser, second riser and diaphragm, first riser with the second riser welds respectively the diaphragm front end left and right sides, first riser the second riser with the centre gripping groove has all been seted up at the inboard middle part of diaphragm, first breach has been seted up on the right side of first riser, the second breach has been seted up in the left side of second riser, first breach left side with first fixed block and second fixed block have been welded respectively on second breach right side, the third breach has been seted up to the diaphragm front end, the inboard welding of third breach has the third fixed block, first breach the second breach the third breach with first fixed block, second fixed block the third fixed block is all in the top in centre gripping groove.

Preferably, the left side and the right side of the upper end face of the transverse plate are both provided with hanging openings.

Preferably, first fixed block the second fixed block with first screw hole has all been seted up on the third fixed block, first fixed block the second fixed block with L clamp block is all installed through the bolt on the third fixed block, L clamp block comprises first rectangle piece and second rectangle piece, the second screw hole has been seted up on the second rectangle piece, the second rectangle piece passes through the bolt to be installed first fixed block the second fixed block with on the third fixed block, first rectangle piece is located first breach the second breach with in the third breach, first rectangle piece with the second rectangle piece all has certain length and width.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this scheme is through first riser, second riser and the three direction centre gripping PCB board of diaphragm.

2. L clamping blocks are installed on the first vertical plate, the second vertical plate and the transverse plate through bolts, and the PCB is clamped through the L clamping blocks, so that the PCB is firmer and is convenient to disassemble and assemble.

3, L clamping block has certain length and width, and the stress point can not concentrate on a point, both can press from both sides the PCB board and avoid the PCB board to be pressed from both sides bad.

4. Simple operation, convenient use and worth popularizing.

Drawings

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

FIG. 2 is a schematic view of the clamping plate of the present invention;

fig. 3 is a schematic view of an L clamp block of the present invention.

In the drawing, the clamping device comprises a bracket 1, a support 2, a hydraulic cylinder 3, an output shaft 4, a hook 5, a clamping plate 6, a fixing plate 7, a platform 8, a tin alloy furnace 9, a first vertical rod 10, a second vertical rod 11, a cross rod 12, a first base 13, a supporting leg 14, a second base 15, a wind knife 16, a cross plate 17, a first vertical plate 18, a second vertical plate 19, a clamping groove 20, a first notch 21, a second notch 22, a first fixing block 23, a second fixing block 24, a third notch 25, a third fixing block 26, a first threaded hole 27, a second threaded hole 28, a first rectangular block 29, a second rectangular block 30, a hanging opening 31, and a clamping block L.

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.

The same reference numbers in different drawings identify the same or similar elements; it should be further understood that terms such as "first," "second," "third," "upper," "lower," "front," "rear," "inner," "outer," "end," "portion," "section," "width," "thickness," "zone," and the like, may be used solely for convenience in reference to the figures and to aid in describing the invention, and are not intended to limit the invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a PCB board processing is with hot-blast leveling device, includes support 1, and for fixed bolster 1, support 1 comprises first montant 9, second montant 10 and horizontal pole 11, and first montant 9 and second montant 10 weld respectively in the 11 left and right sides of horizontal pole, and first montant 9 and second montant 10 bottom all weld have second base 14.

In order to make the clamping plate 5 reciprocate, pneumatic cylinder 2 is installed through the bolt in the below at 1 top middle part of support, and the welding of 3 below of the output shaft of pneumatic cylinder 2 has fixed plate 6, and the welding of fixed plate 6 below has couple 4, has the clamping plate 5 on couple 4, and pneumatic cylinder 2 drives clamping plate 5 and reciprocates.

In order to fixedly install the tin alloy furnace 8, a first base 12 is installed at the middle position below the support 1 through bolts, supporting legs 13 are welded above the first base 12, a platform 7 is welded above the supporting legs 13, the tin alloy furnace 8 is welded above the platform 7, and air knives 15 are installed on the left side and the right side above the tin alloy furnace 8 through bolts.

In order to facilitate the suspension of the clamping plate 5, two hooks 4 are welded below the fixing plate 6.

In order to fix the PCB in the clamping plate 5, the clamping plate 5 is composed of a first vertical plate 17, a second vertical plate 18 and a transverse plate 16, the first vertical plate 17 and the second vertical plate 18 are respectively welded on the left side and the right side of the front end of the transverse plate 16, the first vertical plate 17, a clamping groove 19 is respectively formed in the middle of the inner sides of the second vertical plate 18 and the transverse plate 16, a first notch 20 is formed in the right side of the first vertical plate 17, a second notch 21 is formed in the left side of the second vertical plate 18, a first fixing block 22 and a second fixing block 23 are respectively welded on the left side of the first notch 20 and the right side of the second notch 21, a third notch 24 is formed in the front end of the transverse plate 16, a third fixing block 25 is welded on the inner side of the third notch 24, the first notch 20, the second notch 21, the third notch 24 and the first fixing block 22, the second.

In order to hang the clamping plate 5 on the hook 4, the left side and the right side of the upper end face of the transverse plate 16 are provided with two hanging openings 30, the number of the hanging openings 4 is two, the number of the hanging openings 30 formed in the transverse plate 16 is two, and the hanging openings 30 are hung on the hook 4.

In order to clamp the PCB, first threaded holes 26 are formed in the first fixing block 22, the second fixing block 23 and the third fixing block 25, L-shaped clamping blocks 31 are mounted on the first fixing block 22, the second fixing block 23 and the third fixing block 25 through bolts, the L-shaped clamping block 31 is composed of a first rectangular block 28 and a second rectangular block 29, a second threaded hole 27 is formed in the second rectangular block 29, the second rectangular block 29 is mounted on the first fixing block 22, the second fixing block 23 and the third fixing block 25 through bolts, the first rectangular block 28 is located in the first notch 20, the second notch 21 and the third notch 24, the PCB is placed in the clamping groove 19, the L-shaped clamping block 31 is fixed with the first fixing block 22, the second fixing block 23 and the third fixing block 25 through tightening the bolts in the second threaded holes 27, and the first rectangular block 28 clamps the PCB.

In order to facilitate clamping and dismounting of the PCB, if the clamping plate 5 is laid flat, the PCB is inserted into the clamping groove 19 and is difficult to insert due to the obstruction of the L-shaped clamping block 31, so that the bolt for fixing the L-shaped clamping block 31 is loosened first, the L-shaped clamping block 31 is not completely separated from the clamping plate 5, the distance between the reversed clamping plate 5 and the L-shaped clamping block 31 affected by gravity and the clamping plate 5 is increased, then the PCB is inserted into the clamping groove 19, the clamping plate 5 is straightened, the bolt for fixing the L-shaped clamping block 31 is tightened, and when the PCB is dismounted, the bolt for fixing the L-shaped clamping block 31 is loosened first, the L-shaped clamping block 31 is not completely separated from the clamping plate 5, the distance between the reversed clamping plate 5 and the L-shaped clamping block 31 affected by gravity and the clamping plate 5 is increased, and the PCB is taken out.

In order to avoid damage caused by the PCB being clamped too tightly, the first rectangular block 28 and the second rectangular block 29 both have certain length and width, and stress points are not concentrated on one point, so that the PCB can be clamped and the possibility of damage to the PCB can be avoided.

The working principle is as follows: the method comprises the following steps:

firstly, loosening bolts for fixing L-shaped clamping blocks 31, without completely separating L-shaped clamping blocks 31 from clamping plates 5, overturning clamping plates 5, L-shaped clamping blocks 31, affected by gravity, to enlarge the distance between the clamping blocks and the clamping plates 5, then inserting the PCB into clamping grooves 19, righting the clamping plates 5, screwing the bolts for fixing L-shaped clamping blocks 31, hanging the clamping plates 5 on hooks 4, starting hydraulic cylinders 2 and air knives 15, pushing the PCB clamped by the clamping plates 5 into a tin alloy furnace 8 by the hydraulic cylinders 2, when the PCB is fully coated with molten tin alloy, then pulling out the PCB by the hydraulic cylinders 2, blowing off the excess molten tin alloy on the PCB by the air knives 15, finally taking the clamping plates 5 off the hooks 4, loosening the bolts for fixing L-shaped clamping blocks 31, without completely separating L-shaped clamping blocks 31 from the clamping plates 5, overturning clamping blocks 5, L-shaped clamping blocks 31, affected by gravity, to the distance between the clamping blocks 5, taking out, and preparing for continuous hot air flattening operation of multiple clamping plates.

Consequently, this scheme, through first riser 17, the three direction centre gripping PCB board of second riser 18 and diaphragm 16, at first riser 17, L clamping block 31 is installed through the bolt on second riser 18 and the diaphragm 16, make the PCB board more firm and the dismouting of being convenient for through L clamping block 31, L clamping block 31 has certain length and width, the stress point can not concentrate on a point, can press from both sides tight PCB board and avoid the PCB board to be pressed from both sides badly again, and the operation is simple, convenient to use, and the production efficiency is improved, and is worth promoting.

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 PCB board processing is with hot-blast leveling device, includes support (1), its characterized in that: pneumatic cylinder (2) are installed through the bolt in the below at support (1) top middle part, the welding of output shaft (3) below of pneumatic cylinder (2) has fixed plate (6), the welding of fixed plate (6) below has couple (4), couple (4) are gone up to be hung has grip block (5), pneumatic cylinder (2) drive grip block (5) reciprocate, first base (12) are installed through the bolt to support (1) below intermediate position, the welding of first base (12) top has landing leg (13), the welding of landing leg (13) top has platform (7), the welding of platform (7) top has tin alloy stove (8), wind sword (15) are all installed through the bolt in both sides about tin alloy stove (8) top.

2. The hot air leveling device for PCB board processing according to claim 1, wherein: the support (1) comprises first montant (9), second montant (10) and horizontal pole (11), first montant (9) with second montant (10) weld respectively in the horizontal pole (11) left and right sides, first montant (9) with second montant (10) bottom all welds and has second base (14).

3. The hot air leveling device for PCB board processing according to claim 1, wherein: the two hooks (4) welded below the fixed plate (6) are arranged.

4. The hot air leveling device for PCB board processing according to claim 1, wherein: grip block (5) comprises first riser (17), second riser (18) and diaphragm (16), first riser (17) with second riser (18) weld respectively in diaphragm (16) front end left and right sides, first riser (17) second riser (18) with centre gripping groove (19) have all been seted up at the inboard middle part of diaphragm (16), first breach (20) have been seted up on the right side of first riser (17), second breach (21) have been seted up in the left side of second riser (18), first breach (20) left side with first fixed block (22) and second fixed block (23) have been welded respectively on second breach (21) right side, third breach (24) have been seted up to diaphragm (16) front end, third breach (24) inboard welding has third fixed block (25), first breach (20), The second notch (21), the third notch (24), the first fixing block (22), the second fixing block (23) and the third fixing block (25) are all arranged above the clamping groove (19).

5. The hot air leveling device for PCB board processing according to claim 4, wherein: the left side and the right side of the upper end surface of the transverse plate (16) are provided with hanging openings (30).

6. The hot air leveling device for processing the PCB as recited in claim 4, wherein the first fixing block (22), the second fixing block (23) and the third fixing block (25) are all provided with a first threaded hole (26), the first fixing block (22), the second fixing block (23) and the third fixing block (25) are all provided with L-shaped clamping blocks (31) through bolts, the L-shaped clamping block (31) is composed of a first rectangular block (28) and a second rectangular block (29), the second rectangular block (29) is provided with a second threaded hole (27), the second rectangular block (29) is installed on the first fixing block (22), the second fixing block (23) and the third fixing block (25) through bolts, and the first rectangular block (28) is located in the first notch (20), the second notch (21) and the third notch (24).