CN214721265U

CN214721265U - Novel heating air knife detinning device

Info

Publication number: CN214721265U
Application number: CN202120480796.0U
Authority: CN
Inventors: 张敦勇; 徐文斌; 张明啸
Original assignee: Shenzhen Dinghua Science And Technology Development Co ltd
Current assignee: Shenzhen Dinghua Science And Technology Development Co ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2021-11-16
Anticipated expiration: 2031-03-05

Abstract

The utility model relates to a surface mounting technology detinning removes glues technical field, and discloses a novel heating air knife detinning device, which comprises a vertical plate, the top fixedly connected with of riser goes up hot cover backup pad, the top fixedly connected with tuyere of going up hot cover backup pad, the top fixedly connected with upper portion aluminium head of tuyere, the top fixed mounting of upper portion aluminium head has the dryer, the top fixedly connected with wind scooper of dryer, the top millet fixed mounting of wind scooper has the fan, the back fixedly connected with heat insulating board of wind scooper, wind scooper and heat insulating board pass through bridge connection board fixed connection. This novel heating air knife detin device, its overall structure retrencies and heating and detin-process homoenergetic and keep better efficiency and security to it is very convenient to maintain and collect the tin waste, thereby effectual solved the pad overheated, the component inner line blows, the repair quality is incomplete uneven, the pad drops and the problem of the condition such as part high temperature impact life-span shortens.

Description

Novel heating air knife detinning device

Technical Field

The utility model relates to a surface mounting technology detinning removes glues technical field, specifically is a novel heating air knife detinning device.

Background

In the SMT (surface mount technology) industry, in order to improve the reliability of products, SMT red glue is used for packaging PCBs (printed circuit boards) and some components which are welded and assembled, when repairing and welding invalid pCB and BGA components, the traditional method is that a hot air gun is used for heating the boards and the components to about 230-plus-250 ℃, a shovel is used for shoveling the components after tin and the SMT red glue are softened, and then residual tin and glue of the boards and the components are shoveled.

The traditional method is controlled by manual operation, and can cause the problems of surface and invisibility such as overheating of a welding disc, burning of an internal circuit of an element, incomplete repair quality, falling of the welding disc, shortened high-temperature impact service life of parts and the like, so that the traditional repair method is not dared to be used on high-end electronic products all the time, the products can only be directly scrapped, and great waste is caused.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a novel heating air knife detinning device possesses the high efficiency of work and is convenient for advantage such as maintenance processing, has solved the problem of the condition such as the pad is overheated, component inner line blows, the incomplete time of overhaul quality is uneven, the pad drops and part high temperature strikes the life-span and shortens.

(II) technical scheme

For the purpose that realizes the high-efficient and maintenance of being convenient for of above-mentioned work and handle, the utility model provides a following technical scheme: a novel heating air knife tin removing device comprises a vertical plate, wherein the top of the vertical plate is fixedly connected with an upper heat shield supporting plate, the top of the upper heat shield supporting plate is fixedly connected with an air nozzle, the top of the air nozzle is fixedly connected with an upper aluminum head, the top of the upper aluminum head is fixedly provided with an air duct, the top of the air duct is fixedly connected with an air guide sleeve, the top valley of the air guide sleeve is fixedly provided with a fan, the back of the air guide sleeve is fixedly connected with a heat insulation plate, the air guide sleeve and the heat insulation plate are fixedly connected through a bridging connection plate, the top of the vertical plate is fixedly provided with a reinforcing plate, the outer part of the reinforcing plate is movably provided with a photoelectric switch, the front of the reinforcing plate is movably connected with a bridging plate, the top of the reinforcing plate is fixedly provided with a motor, an output shaft of the motor is fixedly connected with a T-shaped screw rod, and the right side of the vertical plate is movably connected with a wire outlet joint, the tin soldering machine is characterized in that a Z-axis sliding rail plate is movably connected to the outside of the reinforcing plate, a bearing seat is movably connected to the outside of the T-shaped lead screw, a nut block is movably connected to the back face of the bridge plate, an XY moving platform module is movably mounted at the bottom of the vertical plate, a wind knife assembly is fixedly mounted on the left side of the moving platform module, and a waste tin collecting container is fixedly mounted between the vertical plate and the moving platform module.

Preferably, the air duct is cylindrical in shape, the interior of the air duct is hollow, and the air outlet end of the fan is attached to the top of the air guide sleeve.

Preferably, the reinforcing plate is positioned on the right side of the upper heat shield supporting plate, and the T-shaped screw rod is positioned on the left side of the reinforcing plate.

Preferably, an upper seat fixing plate is fixedly connected between the fan and the air guide sleeve, and heating wires are uniformly attached to the inside of the air duct.

Preferably, the mobile platform module comprises an X-axis driving assembly, a Y-axis driving assembly and a mounted object clamping device, and the driving assemblies comprise a lead screw, a servo motor, a nut and a driving plate.

Preferably, the air knife assembly consists of a pressure regulating valve, an electromagnetic valve, a flowmeter, an auxiliary heating wire, an auxiliary air guide sleeve, a sleeve heating cylinder, a thermocouple, a temperature switch, a flat-mouth air nozzle, a mounting seat and a mounting seat adjuster.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel heating air knife detinning device possesses following beneficial effect:

1. this novel heating air knife detin device, start through the fan and blow through the dryer, and make the air current heating after the heater circular telegram, this temperature sets up to 230 and gives other 250 ℃, make hot-blast arrival to paste dress article surface heatable to 230 and give other 300 tin melting point temperature, and make compressed air get into in affiliated wind guide sleeve through air-vent valve and flowmeter after the air knife subassembly starts, then preheat the air through affiliated heater and blow to dress article again, adjustable mount pad adjuster changes the position of blowing simultaneously, and above structure can be adjusted according to X axle drive assembly and Y axle drive assembly on the XY moving platform module, thereby can change to suitable position, above drive assembly starts by servo motor and makes the lead screw rotate and drive the drive plate displacement and realize, thereby can carry out high-efficient detin, reached work efficient effect.

2. This novel heating air knife detin device, adjust outside the board through the X axle drive assembly on the XY moving platform module, then carry out artifical material loading, and adjust to the nut on the subsides dress thing clamping device and make the product press from both sides tightly, after X axle drive assembly moves back to the work position, can the starter motor make last T type lead screw descend and drive Z axle slide rail board displacement and adjust the heating position, and air knife assembly adjusts the back can make flat mouthful tuyere to product limit heating limit washing, and the processing can be accomplished in the tin scrap collecting container to the tin scrap entering after being clear away, can make the device convenient to use and be convenient for maintain, its convenient operation just uses high-efficiently, safety and stability, thereby the effectual problem of having solved the pad overheated, the component inner line burns out, the incomplete mistake of repair quality is uneven, the pad drops and the problem of the condition such as part high temperature impact life shortens.

Drawings

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

fig. 2 is a schematic structural view of the heater assembly of the present invention;

fig. 3 is a structural side view of the heater assembly of the present invention.

In the figure: the device comprises a vertical plate 1, an upper hot cover supporting plate 2, a tuyere 3, an upper aluminum head 4, a wind barrel 5, a wind guide sleeve 6, a fan 7, a heat insulation plate 8, a gap bridge connecting plate 9, a reinforcing plate 10, a photoelectric switch 11, a gap bridge plate 12, a motor 13, a 14T-shaped lead screw, a 15 outlet connector, a 16 upper seat fixing plate, a 17 heating wire, a 18Z-axis sliding rail plate, a 19 bearing seat, a 20 nut block, a 21XY moving platform module, a 22 air knife assembly and a 23 waste tin collecting container.

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 novel heating air knife tin removing device comprises a vertical plate 1, an upper heat shield support plate 2 is fixedly connected to the top of the vertical plate 1, an air nozzle 3 is fixedly connected to the top of the upper heat shield support plate 2, an upper aluminum head 4 is fixedly connected to the top of the air nozzle 3, an air duct 5 is fixedly mounted at the top of the upper aluminum head 4, an air guide sleeve 6 is fixedly connected to the top of the air duct 5, a fan 7 is fixedly mounted at the top valley of the air guide sleeve 6, the air duct 5 is cylindrical and hollow, the air outlet end of the fan 7 is attached to the top of the air guide sleeve 6, a heat insulation plate 8 is fixedly connected to the back of the air guide sleeve 6, the air guide sleeve 6 and the heat insulation plate 8 are fixedly connected by a bridging connection plate 9, a reinforcing plate 10 is fixedly mounted at the top of the vertical plate 1, the reinforcing plate 10 is located on the right side of the upper heat shield support plate 2, a T-shaped lead screw 14 is located on the left side of the reinforcing plate 10, the photoelectric switch 11 is movably arranged outside the reinforcing plate 10, the front side of the reinforcing plate 10 is movably connected with a gap bridge plate 12, the top of the reinforcing plate 10 is fixedly provided with a motor 13, an output shaft of the motor 13 is fixedly connected with a T-shaped screw rod 14, the right side of the vertical plate 1 is movably connected with a wire outlet joint 15, an upper seat fixing plate 16 is fixedly connected between the fan 7 and the air guide sleeve 6, the inner part of the air duct 5 is uniformly attached with a heating wire 17, the outer part of the reinforcing plate 10 is movably connected with a Z-axis slide rail plate 18, the outer part of the T-shaped screw rod 14 is movably connected with a bearing seat 19, the back side of the gap bridge plate 12 is movably connected with a nut block 20, the bottom of the vertical plate 1 is movably provided with an XY moving platform module 21, the moving platform module 21 is composed of an X-axis driving component, a Y-axis driving component and a mounted object clamping device, and the driving components are composed of a screw rod, a servo motor, a nut and a driving plate, the left side of the moving platform module 21 is fixedly provided with a wind knife assembly 22, the wind knife assembly 22 consists of a pressure regulating valve, an electromagnetic valve, a flowmeter, an auxiliary heating wire, an auxiliary air guide sleeve, a heat sleeve, a thermocouple, a temperature switch, a flat tuyere, a mounting seat and a mounting seat adjuster, a waste tin collecting container 23 is fixedly arranged between the vertical plate 1 and the moving platform module 21, the novel heating wind knife tin removing device is adjusted to the outside of a machine table through an X-axis driving assembly on the XY moving platform module 21, then manual feeding is carried out, a nut on a mounting object clamping device is adjusted to clamp a product, after the X-axis driving assembly is returned to a working position, a motor 13 can be started to enable an upper T-shaped wire rod 14 to descend and drive a Z-axis sliding rail plate 18 to displace to adjust the heating position, after the wind knife assembly 22 is adjusted, the flat tuyere can clean the product while heating, and the waste tin can be treated after being removed in the waste tin collecting container 23, the device is convenient to use and maintain, is convenient to operate, is efficient to use, is safe and stable, and therefore the problems of pad overheating, element internal circuit burnout, incomplete repair quality, pad falling, short part high-temperature impact service life and the like are effectively solved.

In summary, the novel heating air knife tin removing device starts blowing air through the air duct 5 by the fan 7, heats the air flow after the heating wire 17 is electrified, the temperature is set to 230-250 ℃, so that the hot air reaching the surface of the mounting object can be heated to 230-300 tin melting point temperature, after the air knife assembly 22 is started, the compressed air enters the auxiliary air guide sleeve through the pressure regulating valve and the flow meter, then the air is preheated by the auxiliary heating wire and then blown to the mounting object, and the blowing position can be changed by adjusting the mounting seat adjuster, the above structure can be adjusted according to the X-axis driving component and the Y-axis driving component on the XY moving platform module 21, thereby can change to suitable position, above drive assembly makes the lead screw rotation drive the drive plate displacement realize by servo motor starts to can carry out high-efficient detin, reach the efficient effect of work.

Moreover, the novel heating air knife tin removing device is adjusted outside the machine table through an X-axis driving component on the XY moving platform module 21, then, manual feeding is carried out, the nut on the mounting object clamping device is adjusted to clamp the product, when the X-axis driving assembly is returned to the working position, the motor 13 is started to make the upper T-shaped screw rod 14 descend and drive the Z-axis slide rail plate 18 to displace to adjust the heating part, the air knife component 22 can be adjusted to heat and clean the product at the same time, and the waste tin can be treated after being removed and then enters the waste tin collecting container 23, so that the device is convenient to use and maintain, the welding disc is convenient to operate, efficient to use, safe and stable, and therefore the problems of overheating of the welding disc, blowout of internal circuits of elements, incomplete repair quality, falling of the welding disc, short service life of high-temperature impact of parts and the like are effectively solved.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 novel heating air knife detinning device, includes riser (1), its characterized in that: the top of the vertical plate (1) is fixedly connected with an upper hot cover supporting plate (2), the top of the upper hot cover supporting plate (2) is fixedly connected with an air nozzle (3), the top of the air nozzle (3) is fixedly connected with an upper aluminum head (4), the top of the upper aluminum head (4) is fixedly provided with an air duct (5), the top of the air duct (5) is fixedly connected with an air guide sleeve (6), the top valley of the air guide sleeve (6) is fixedly provided with a fan (7), the back of the air guide sleeve (6) is fixedly connected with a heat insulation plate (8), the air guide sleeve (6) and the heat insulation plate (8) are fixedly connected through a bridge connection plate (9), the top of the vertical plate (1) is fixedly provided with a reinforcing plate (10), the outer part of the reinforcing plate (10) is movably provided with a photoelectric switch (11), and the front of the reinforcing plate (10) is movably connected with a bridge plate (12), the tin soldering iron is characterized in that a motor (13) is fixedly mounted at the top of the reinforcing plate (10), a T-shaped lead screw (14) is fixedly connected to an output shaft of the motor (13), an outlet connector (15) is movably connected to the right side of the vertical plate (1), a Z-axis slide rail plate (18) is movably connected to the outside of the reinforcing plate (10), a bearing seat (19) is movably connected to the outside of the T-shaped lead screw (14), a nut block (20) is movably connected to the back of the bridge plate (12), an XY moving platform module (21) is movably mounted at the bottom of the vertical plate (1), a wind knife assembly (22) is fixedly mounted on the left side of the moving platform module (21), and a waste tin collecting container (23) is fixedly mounted between the vertical plate (1) and the moving platform module (21).

2. The novel heating air knife tin removing device as claimed in claim 1, wherein: the air duct (5) is cylindrical in shape, the interior of the air duct is hollow, and the air outlet end of the fan (7) is attached to the top of the air guide sleeve (6).

3. The novel heating air knife tin removing device as claimed in claim 1, wherein: the reinforcing plate (10) is located on the right side of the upper heat cover supporting plate (2), and the T-shaped screw rod (14) is located on the left side of the reinforcing plate (10).

4. The novel heating air knife tin removing device as claimed in claim 1, wherein: an upper seat fixing plate (16) is fixedly connected between the fan (7) and the air guide sleeve (6), and heating wires (17) are uniformly attached to the inside of the air duct (5).

5. The novel heating air knife tin removing device as claimed in claim 1, wherein: the mobile platform module (21) is composed of an X-axis driving assembly, a Y-axis driving assembly and a mounted object clamping device, and the driving assemblies are composed of a lead screw, a servo motor, a nut and a driving plate.

6. The novel heating air knife tin removing device as claimed in claim 1, wherein: the air knife assembly (22) consists of a pressure regulating valve, an electromagnetic valve, a flowmeter, an auxiliary heating wire, an auxiliary air guide sleeve, a sleeve heating cylinder, a thermocouple, a temperature switch, a flat-mouth air nozzle, a mounting seat and a mounting seat adjuster.