CN214481559U

CN214481559U - Welding point butt joint device for FPC flexible circuit board processing

Info

Publication number: CN214481559U
Application number: CN202120581941.4U
Authority: CN
Inventors: 石勇; 程素丽; 黄子文
Original assignee: Shenzhen Simte Technology Development Co ltd
Current assignee: Shenzhen Simte Technology Development Co ltd
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-10-22
Anticipated expiration: 2031-03-23

Abstract

The utility model discloses a welding spot butt joint device for processing a FPC flexible circuit board, which comprises a welding box body and a cooling unit; welding a box body: the top of the welding box body is respectively communicated and fixed with an inert gas outlet pipe and an inert gas inlet pipe, the front side of the welding box body is provided with an electric glass door, the inner side of the welding box body is provided with a longitudinal adjusting mechanism, the movable part of the longitudinal adjusting mechanism is provided with a transverse adjusting mechanism, the bottom of the adjusting part of the transverse adjusting mechanism is provided with a lifting mechanism, and the telescopic end part of the lifting mechanism is provided with a laser welding head; a cooling unit: including refrigeration piece, radiating fin and heat conduction silica gel piece, this solder joint interfacing apparatus is used in FPC flexible circuit board processing adopts non-contact welding mode, and welded is efficient, and it is effectual to weld, and the consumption problem that no soldering bit produced possesses the cooling ability, can avoid the welding deformation that high temperature arouses.

Description

Welding point butt joint device for FPC flexible circuit board processing

Technical Field

The utility model relates to a circuit board welding technology field specifically is a solder joint interfacing apparatus is used in processing of FPC flexible circuit board.

Background

A flexible circuit board, also called a "flexible board", is a printed circuit made of a flexible insulating base material, provides excellent electrical performance, can meet the design requirements of smaller and higher density mounting, and also contributes to reducing assembly processes and enhancing reliability, and is the only solution to meet the requirements of miniaturization and movement of electronic products;

in the prior art: the patent of granted publication number CN 212526633U discloses a solder joint interfacing apparatus for FPC flexible circuit board processing, including: the conveying platform is arranged on the U-shaped working platform, a limiting structure and a welding structure are arranged on the U-shaped working platform, and a conveying structure is arranged on the conveying platform; however, the welding spot butt joint device for processing the FPC flexible circuit board is low in efficiency and poor in welding effect due to the fact that a contact welding mode is adopted, meanwhile, the welding spot butt joint device does not have cooling capacity, welding positions are prone to being deformed due to high temperature, and the using requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a solder joint interfacing apparatus is used in processing of FPC flexible circuit board, adopt non-contact welding mode, welded efficient, it is effectual to weld, and the consumption problem that no soldering bit produced possesses the cooling ability, can avoid the welding deformation that high temperature arouses, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a welding spot butt joint device for processing an FPC flexible circuit board comprises a welding box body and a cooling unit;

welding a box body: the top of the welding box body is respectively communicated and fixed with an inert gas outlet pipe and an inert gas inlet pipe, the front side of the welding box body is provided with an electric glass door, the inner side of the welding box body is provided with a longitudinal adjusting mechanism, the movable part of the longitudinal adjusting mechanism is provided with a transverse adjusting mechanism, the bottom of the adjusting part of the transverse adjusting mechanism is provided with a lifting mechanism, and the telescopic end part of the lifting mechanism is provided with a laser welding head;

a cooling unit: the refrigeration device comprises a refrigeration piece, radiating fins and a heat-conducting silica gel piece, wherein the refrigeration piece is arranged at the bottom of a welding box body, the heat-conducting silica gel piece is arranged at the joint of the refrigeration piece and the welding box body, the radiating fins are uniformly distributed in the hot end area of the refrigeration piece, and the cold end of the refrigeration piece is contacted with the heat-conducting silica gel piece;

wherein: the automatic glass door welding device is characterized by further comprising honeycomb grooves, the honeycomb grooves are evenly formed in the bottom of the welding box body, the bottom plate of the welding box body is an aluminum substrate, and the laser welding head, the refrigerating piece and the input end of the electric glass door are electrically connected with the output end of the external controller.

Further, still include pipeline filter, pipeline filter installs the junction at inert gas exit tube and welding box, and pipeline filter filters the gas of retrieving, is convenient for reuse inert gas.

Furthermore, the longitudinal adjusting mechanism comprises a first guide rail and a first linear motor, the first guide rail is fixed on the inner wall of the welding box body in the front-back direction, the first linear motor is assembled on the first guide rail, the input end of the first linear motor is electrically connected with the output end of the external controller, and the first linear motor moves linearly on the first guide rail, so that the longitudinal working position of the laser welding head is adjusted, the adjustment is convenient, and the working capacity of the laser welding head is improved.

Furthermore, the transverse adjusting mechanism comprises a second guide rail and a second linear motor, the end part of the second guide rail is fixedly connected with the side surface of the first linear motor, the second linear motor is assembled on the second guide rail, the input end of the second linear motor is electrically connected with the output end of the external controller, and the second linear motor makes linear motion on the second guide rail, so that the transverse working position of the laser welding head is adjusted, the adjustment is convenient, and the working capacity of the laser welding head is improved.

Furthermore, elevating system includes electric putter and mount pad, and electric putter installs in the bottom of second linear electric motor, the flexible tip at electric putter is fixed to the mount pad, and the laser welder head assembles on the mount pad, the output of external control ware is connected to electric putter's input electricity, and electric putter's flexible end drives the laser welder head through the mount pad and carries out the elevating movement to adjust the working height of laser welder head, thereby make the laser welder head be close to or keep away from the welding position.

Compared with the prior art, the beneficial effects of the utility model are that: this solder joint interfacing apparatus is used in FPC flexible circuit board processing has following benefit:

1. lay FPC flexible circuit board on the bottom plate of welding box, then close electronic glass door, external inert gas supply system passes through inert gas inlet pipe and inputs inert gas in to the welding box, welds FPC flexible circuit board through the laser welding head, then, external inert gas supply system retrieves inert gas through the inert gas exit tube, and it adopts non-contact welding mode, and the welded is efficient, and it is effectual to weld, does not have the consumption problem that the bonding iron produced.

2. In the welding process, on the heat gathering heat conduction silica gel piece on the welding box bottom plate, heat on the heat conduction silica gel piece carries out the energy exchange with the cold junction of refrigeration piece to cooling to the welding box is inside, and the heat in refrigeration piece hot junction gives off the external world through radiating fin, and its radiating effect is good, has avoided the welding deformation problem that high temperature arouses, has guaranteed the welded quality.

Drawings

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

fig. 2 is a sectional view of the structure of the present invention.

In the figure: the device comprises a welding box body 1, a pipeline filter 2, an inert gas outlet pipe 3, an inert gas inlet pipe 4, a cooling unit 5, a refrigeration piece 51, a heat dissipation fin 52, a heat conduction silica gel piece 53, a longitudinal adjusting mechanism 6, a first guide rail 61, a first linear motor 62, a transverse adjusting mechanism 7, a second guide rail 71, a second linear motor 72, a lifting mechanism 8, an electric push rod 81, an installation seat 82, an electric glass door 9, a honeycomb groove 10 and a laser welding head 11.

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. 1-2, the present embodiment provides a technical solution: a welding spot butt joint device for processing an FPC flexible circuit board comprises a welding box body 1 and a cooling unit 5;

welding the box body 1: the top of the welding box body 1 is respectively communicated and fixed with an inert gas outlet pipe 3 and an inert gas inlet pipe 4, the front side of the welding box body 1 is provided with an electric glass door 9, the inner side of the welding box body 1 is provided with a longitudinal adjusting mechanism 6, the movable part of the longitudinal adjusting mechanism 6 is provided with a transverse adjusting mechanism 7, the bottom of the adjusting part of the transverse adjusting mechanism 7 is provided with a lifting mechanism 8, and the telescopic end part of the lifting mechanism 8 is provided with a laser welding head 11;

the FPC flexible circuit board is flatly laid on a bottom plate of a welding box body 1, then an electric glass door 9 is closed, inert gas is input into the welding box body 1 through an inert gas inlet pipe 4 by an external inert gas supply system, the FPC flexible circuit board is welded through a laser welding head 11, then the inert gas is recovered through an inert gas outlet pipe 3 by the external inert gas supply system, a non-contact welding mode is adopted, the welding efficiency is high, the welding effect is good, and the consumption problem caused by a welding head is avoided;

cooling unit 5: the refrigerator comprises a refrigerating sheet 51, radiating fins 52 and a heat-conducting silica gel sheet 53, wherein the refrigerating sheet 51 is arranged at the bottom of a welded box body 1, the heat-conducting silica gel sheet 53 is arranged at the joint of the refrigerating sheet 51 and the welded box body 1, the radiating fins 52 are uniformly distributed in the hot end area of the refrigerating sheet 51, and the cold end of the refrigerating sheet 51 is in contact with the heat-conducting silica gel sheet 53;

in the welding process, heat on the bottom plate of the welding box body 1 is gathered on the heat-conducting silica gel sheet 53, and the heat on the heat-conducting silica gel sheet 53 is subjected to energy exchange with the cold end of the refrigerating sheet 51, so that the interior of the welding box body 1 is cooled, and the heat at the hot end of the refrigerating sheet 51 is dissipated to the outside through the radiating fins 52, so that the radiating effect is good, the problem of welding deformation caused by high temperature is avoided, and the welding quality is ensured;

wherein: still include honeycomb groove 10, honeycomb groove 10 evenly sets up in the bottom of welding box 1, and the bottom plate of welding box 1 is aluminium base board, and honeycomb groove 10 is used for improving thermal diffusion efficiency on the bottom plate of welding box 1, and the output of external control ware is connected to laser welder head 11, refrigeration piece 51 and electric glass door 9's input electricity.

Further, still include pipeline filter 2, pipeline filter 2 installs in the junction of inert gas exit tube 3 and welding box 1, and pipeline filter 2 filters the gas of retrieving, is convenient for reuse inert gas.

The longitudinal adjusting mechanism 6 comprises a first guide rail 61 and a first linear motor 62, the first guide rail 61 is fixed on the inner wall of the welding box body 1 in the front-back direction, the first linear motor 62 is assembled on the first guide rail 61, the input end of the first linear motor 62 is electrically connected with the output end of an external controller, and the first linear motor 62 makes linear motion on the first guide rail 61, so that the longitudinal working position of the laser welding head 11 is adjusted, the adjustment is convenient, and the working capacity of the laser welding head 11 is improved.

The transverse adjusting mechanism 7 comprises a second guide rail 71 and a second linear motor 72, the end of the second guide rail 71 is fixedly connected with the side surface of the first linear motor 62, the second linear motor 72 is assembled on the second guide rail 71, the input end of the second linear motor 72 is electrically connected with the output end of an external controller, and the second linear motor 72 makes linear motion on the second guide rail 71, so that the transverse working position of the laser welding head 11 is adjusted, the adjustment is convenient, and the working capacity of the laser welding head 11 is improved.

Elevating system 8 includes electric putter 81 and mount pad 82, electric putter 81 installs in the bottom of second linear electric motor 72, the flexible tip at electric putter 81 is fixed to mount pad 82, laser welder head 11 assembles on mount pad 82, the output of external control ware is connected to electric putter 81's input electricity, electric putter 81's flexible end passes through mount pad 82 and drives laser welder head 11 and carry out elevating movement, thereby adjust laser welder head 11's working height, thereby make laser welder head 11 be close to or keep away from welding position.

The utility model provides a pair of solder joint interfacing apparatus is used in processing of FPC flexible circuit board's theory of operation as follows: lay FPC flexible circuit board on the bottom plate of welding box 1, then close electronic glass door 9, the inert gas is imported to welding box 1 in through inert gas inlet pipe 4 to external inert gas supply system, welds FPC flexible circuit board through laser welder head 11, then, external inert gas supply system retrieves inert gas through inert gas exit tube 3, and in the recovery process, pipeline filter 2 filters the gas of retrieving.

In the welding process, on heat gathering to heat conduction silica gel piece 53 on the welding box 1 bottom plate, heat on the heat conduction silica gel piece 53 carries out the energy exchange with the cold junction of refrigeration piece 51 to cooling to welding box 1 is inside, and the heat at refrigeration piece 51 hot junction gives off the external world through radiating fin 52, and honeycomb groove 10 is used for improving thermal diffusion efficiency on the welding box 1 bottom plate.

The first linear motor 62 moves linearly on the first guide rail 61 to adjust the longitudinal working position of the laser welding head 11, the second linear motor 72 moves linearly on the second guide rail 71 to adjust the transverse working position of the laser welding head 11, and the telescopic end of the electric push rod 81 drives the laser welding head 11 to move up and down through the mounting seat 82, so that the working height of the laser welding head 11 is adjusted.

It should be noted that the refrigeration sheet 51, the first linear motor 62, the second linear motor 72, the electric push rod 81, the electric glass door 9 and the laser welding head 11 disclosed in the above embodiments are all configured according to the actual application scenario, and the heat source of the laser welding head 11 may be a laser diode.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a processing of FPC flexible circuit board is with solder joint interfacing apparatus which characterized in that: comprises a welding box body (1) and a cooling unit (5);

welding the box body (1): an inert gas outlet pipe (3) and an inert gas inlet pipe (4) are respectively communicated and fixed at the tops of the two pipes, an electric glass door (9) is installed on the front side of the welding box body (1), a longitudinal adjusting mechanism (6) is installed on the inner side of the welding box body (1), a transverse adjusting mechanism (7) is installed on the movable part of the longitudinal adjusting mechanism (6), a lifting mechanism (8) is installed at the bottom of the adjusting part of the transverse adjusting mechanism (7), and a laser welding head (11) is installed at the telescopic end part of the lifting mechanism (8);

cooling unit (5): the refrigerator comprises a refrigerating piece (51), heat-radiating fins (52) and a heat-conducting silica gel piece (53), wherein the refrigerating piece (51) is arranged at the bottom of a welding box body (1), the heat-conducting silica gel piece (53) is arranged at the joint of the refrigerating piece (51) and the welding box body (1), the heat-radiating fins (52) are uniformly distributed in the hot end area of the refrigerating piece (51), and the cold end of the refrigerating piece (51) is in contact with the heat-conducting silica gel piece (53);

wherein: still include honeycomb groove (10), evenly set up in the bottom of welding box (1) in honeycomb groove (10), the bottom plate of welding box (1) is aluminium base board, the output of external control ware is connected to the input electricity of laser welder head (11), refrigeration piece (51) and electronic glass door (9).

2. The solder joint interfacing apparatus for FPC flexible circuit board processing according to claim 1, wherein: still include pipeline filter (2), pipeline filter (2) are installed in the junction of inert gas exit tube (3) and welding box (1).

3. The solder joint interfacing apparatus for FPC flexible circuit board processing according to claim 1, wherein: longitudinal adjusting mechanism (6) include first guide rail (61) and first linear electric motor (62), and first guide rail (61) are the fore-and-aft direction and fix on the inner wall of welding box (1), first linear electric motor (62) assembly is on first guide rail (61), and the output of external control ware is connected to the input electricity of first linear electric motor (62).

4. The solder joint interfacing apparatus for FPC flexible circuit board processing according to claim 3, wherein: the transverse adjusting mechanism (7) comprises a second guide rail (71) and a second linear motor (72), the end part of the second guide rail (71) is fixedly connected with the side surface of the first linear motor (62), the second linear motor (72) is assembled on the second guide rail (71), and the input end of the second linear motor (72) is electrically connected with the output end of an external controller.

5. The solder joint interfacing apparatus for FPC flexible circuit board processing according to claim 4, wherein: the lifting mechanism (8) comprises an electric push rod (81) and a mounting seat (82), the electric push rod (81) is mounted at the bottom of the second linear motor (72), the mounting seat (82) is fixed at the telescopic end part of the electric push rod (81), the laser welding head (11) is assembled on the mounting seat (82), and the input end of the electric push rod (81) is electrically connected with the output end of the external controller.