CN116000404A

CN116000404A - Integrated circuit board packaging welding jig and welding method thereof

Info

Publication number: CN116000404A
Application number: CN202211741147.7A
Authority: CN
Inventors: 康志伟; 陈涛; 卫彩霞; 关欣赟; 席磊磊; 冯燕坡
Original assignee: Microgrid Union Technology Chengdu Co ltd
Current assignee: Microgrid Union Technology Chengdu Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-04-25

Abstract

The invention relates to an integrated circuit board packaging welding jig and a welding method thereof, wherein the welding jig comprises the following steps: the base is provided with a mounting plate; the clamping mechanism is arranged on the mounting plate and comprises two groups of horizontal clamping assemblies and two groups of vertical clamping assemblies; the power mechanism can drive the two groups of horizontal clamping assemblies and the two groups of vertical clamping assemblies to move close to each other; the power mechanism comprises a power assembly and a follow-up assembly; the jacking component is arranged on the mounting plate and connected with the power component, and the jacking component is connected with a bearing plate penetrating through the mounting plate; the dislocation connecting mechanism is arranged on the driving mounting plate and comprises a driving component and a driven component, the driving component is matched with the driven component, the power component and the driven component can synchronously act, and after the horizontal clamping component is abutted against the side part of the circuit board, the driven component is disconnected with the driving component, so that the side part of the circuit board is clamped.

Description

Integrated circuit board packaging welding jig and welding method thereof

Technical Field

The invention relates to the field of circuit board welding, in particular to an integrated circuit board packaging welding jig and a welding method thereof.

Background

In the production and research and development process of the circuit board, an operator is required to weld elements on the circuit board, and in the welding process, the operator cannot hold the circuit board by one hand for a long time and the other hand is required to weld, so that the circuit board is required to be placed on a workbench.

In order to achieve stable fixing of the circuit board, clamping equipment for the circuit board is needed, and most of the existing clamping equipment is used for fixing two ends of the circuit board, so that when the circuit board is subjected to external force parallel to the clamping surface of the circuit board, the circuit board is easy to deviate, and the welding precision is affected;

in order to avoid this, a device for clamping four sides of a circuit board is introduced, but when the device is used, multiple operations are required, such as clamping two sides of the circuit board first and then clamping the other two sides of the circuit board, so that the clamping process is extremely complicated.

Disclosure of Invention

The invention aims to provide an integrated circuit board packaging welding jig and a welding method thereof, which are used for solving the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions:

an integrated circuit board package bonding tool comprising:

the base is provided with a mounting plate parallel to the base;

the clamping mechanism is arranged on the mounting plate and comprises two groups of horizontal clamping assemblies and two groups of vertical clamping assemblies, and the horizontal clamping assemblies are matched with the vertical clamping assemblies to clamp the side parts of the circuit board;

the power mechanism is arranged on the mounting plate and is connected with the horizontal clamping assemblies and the vertical clamping assemblies, the power mechanism can drive the two groups of the horizontal clamping assemblies and the two groups of the vertical clamping assemblies to move close to each other, and when the two groups of the horizontal clamping assemblies and the two groups of the vertical clamping assemblies are close to each other, the lengths of the horizontal clamping assemblies and the vertical clamping assemblies are increased;

the power mechanism comprises a power assembly and a follow-up assembly;

the jacking component is arranged on the mounting plate and connected with the power component, and the jacking component is connected with a bearing plate penetrating through the mounting plate, and when the power component acts, the jacking component drives the bearing plate to ascend;

the dislocation coupling mechanism is arranged on the driving mounting plate and comprises a driving component and a driven component, the driving component is connected with the power component, the driven component is connected with the follow-up component, the driving component is matched with the driven component, the power component and the follow-up component can synchronously act, and after the horizontal clamping component is abutted against the side part of the circuit board, the driven component is disconnected with the driving component.

As a further scheme of the invention: the vertical clamping assembly comprises two sliding grooves arranged on the mounting plate, a sliding block is slidably arranged in the sliding grooves, a storage piece is fixedly arranged on the sliding block, two telescopic pieces are symmetrically and slidably arranged in the storage piece, and the two telescopic pieces are connected with a separation structure arranged on the storage piece;

and the slider is also provided with a first connecting piece, the first connecting piece is connected with the power assembly, and the first connecting piece is connected with the jacking assembly.

As still further aspects of the invention: the separation structure comprises two grooved wheels rotatably arranged on the stagnation-accommodating member, a traction cable is sleeved between the two grooved wheels, and the traction cable is connected with the two telescopic members through two connecting parts penetrating through the stagnation-accommodating member so as to drive the two telescopic members to move close to or away from each other when the traction cable moves;

one of the grooved wheels is connected and rotated with a first bevel gear set arranged on the stagnation-accommodating piece through a first belt, a first gear is rotatably arranged on the first bevel gear set, and the first gear is meshed with a rack plate fixedly arranged on the mounting plate.

As still further aspects of the invention: the power assembly comprises a driving device fixedly arranged on the mounting plate, an output shaft of the driving device is connected with a bidirectional screw rod rotatably arranged on the mounting plate, two first threaded sleeves in threaded connection with the bidirectional screw rod are symmetrically arranged on the bidirectional screw rod, and the first threaded sleeves are fixedly connected with the first connecting piece;

the power assembly further comprises a connecting rod connected with one first threaded sleeve and a guide rod fixedly arranged on the base, the guide rod is provided with a sliding sleeve in a sliding mode, one side of the sliding sleeve is fixedly provided with a driving plate, a guide groove body is formed in the driving plate, and a pulley which is rotatably arranged at one end, far away from the first threaded sleeve, of the connecting rod can roll in the guide groove body.

As still further aspects of the invention: the jacking assembly comprises two bulges symmetrically arranged on the first connecting piece and a guide plate fixedly connected with the bearing plate, two guide grooves are symmetrically arranged on the guide plate, and the bulges can slide in the guide grooves;

the guide groove comprises a horizontal groove body and an inclined groove body, and the horizontal groove body and the inclined groove body are in smooth transition.

As still further aspects of the invention: the follow-up assembly comprises a unidirectional screw rod rotatably mounted on the mounting plate, a second threaded sleeve in threaded connection with the unidirectional screw rod is arranged on the unidirectional screw rod, a second connecting piece is slidably mounted on the second threaded sleeve, and the second connecting piece is connected with the horizontal clamping assembly;

the second threaded sleeve is sleeved with a spring, one end of the spring is connected with the second connecting piece, the other end of the spring is connected with the end part of the second threaded sleeve, the second threaded sleeve is also provided with a limiting groove, and the limiting groove is in sliding fit with a limiting block arranged on the second connecting piece;

the unidirectional screw rod is connected with the driven component.

As still further aspects of the invention: the driving assembly comprises a second transmission rod which is rotatably arranged on the base, a third gear is arranged on the second transmission rod in a sliding mode, the second transmission rod is connected with a second bevel gear set arranged on the base through a third belt, and the second bevel gear set is connected with the bidirectional screw rod through a fourth belt.

As still further aspects of the invention: the driven component comprises a first transmission rod which is rotatably arranged on the base, a second gear is sleeved on the first transmission rod in a sliding mode, the second gear is matched with the third gear, and the first transmission rod is connected with the unidirectional screw rod through a second belt.

As still further aspects of the invention: the gear No. two with No. two connecting pieces and No. three gears with adopt the connection external member to connect between the slip sleeve, the connection external member including form in No. two gears and No. three annular groove of gear both sides, no. two on the gear annular groove with fix No. two on the connecting pieces holder rotate and be connected, no. three on the gear annular groove with fix No. two holders rotate on the slip sleeve and be connected.

A method for soldering an integrated circuit board using the soldering jig, comprising the steps of:

step one: placing the circuit board to be welded on the bearing plate, wherein the bearing plate is in a state of protruding out of the mounting plate at the moment, so that the circuit board can be placed and taken out manually;

step two: the power assembly is controlled to act so as to drive the two vertical clamping assemblies to move close to each other, and simultaneously drives the two groups of horizontal clamping assemblies to move close to each other through the driving assembly and the driven assembly, and the vertical clamping assemblies are matched with the horizontal clamping assemblies to fix the side parts of the circuit board;

step three: when the horizontal clamping assembly is abutted with the side part of the circuit board, the driving assembly is separated from the driven assembly, at the moment, the horizontal clamping assembly stops moving, and meanwhile, the vertical clamping assembly continues moving until the vertical clamping assembly is abutted with the side part of the circuit board, so that the clamping of the circuit board is completed;

step four: when the horizontal clamping assembly and the vertical clamping assembly move, the lengths of the horizontal clamping assembly and the vertical clamping assembly are increased so as to improve the clamping range of the circuit board;

step five: the circuit board after clamping is welded, and the circuit board can be taken down after welding compared with the prior art, the invention has the beneficial effects that:

the horizontal clamping assembly and the vertical clamping assembly can synchronously move through the arranged dislocation connecting mechanism, after the horizontal clamping assembly is abutted against the circuit board, the horizontal clamping assembly stops moving, and then the vertical clamping assembly continues moving to clamp the other two sides of the circuit board, so that the side part of the circuit board is clamped;

through the clamping mechanism, the clamping of the circuit board is realized on one hand, and the circuit board can be positioned in the clamping process on the other hand, so that the position of the circuit board is more accurate in the welding process, and simultaneously, when the retaining piece moves, the telescopic piece can extend towards the outer part of the retaining piece, so that the clamping range of the side part of the circuit board is improved, and the stability of the circuit board in the clamping process is stronger;

through the power mechanism, when the bidirectional screw rod and the unidirectional screw rod stop rotating, the relative positions of the first threaded sleeve and the second threaded sleeve are kept constant, so that the positions of the horizontal clamping assembly and the vertical clamping assembly are kept constant, and the clamping capacity of the horizontal clamping assembly and the vertical clamping assembly on the circuit board is stronger after the circuit board is clamped;

through the jacking subassembly that sets up, realized before the welding of current board around, the supporting plate is in the state that is higher than the mounting panel to make when placing the circuit board or taking the circuit board more convenient, avoid because there is not clearance or clearance undersize between circuit board and the mounting panel to arouse inconvenient problem when taking the circuit board.

Drawings

Fig. 1 is a schematic structure diagram of an embodiment of an integrated circuit board package welding jig.

Fig. 2 is a schematic diagram of a structure of an integrated circuit board package soldering fixture with a mounting board removed.

Fig. 3 is an enlarged schematic view of the structure at a in fig. 1.

Fig. 4 is a schematic structural diagram of a clamping mechanism in an embodiment of an integrated circuit board package welding jig.

Fig. 5 is a schematic structural diagram of a power assembly in an embodiment of an integrated circuit board package bonding tool.

Fig. 6 is a schematic structural diagram of a dislocated connection mechanism and a follower assembly in an embodiment of an integrated circuit board package bonding tool.

Fig. 7 is an enlarged schematic view of the structure at B in fig. 6.

Fig. 8 is an exploded view of a follower assembly in one embodiment of an integrated circuit board package bonding tool.

Fig. 9 is a schematic structural diagram of an active device in an embodiment of an integrated circuit board package bonding tool.

Fig. 10 is a partial exploded view of an active device in one embodiment of an integrated circuit board package bonding tool.

In the figure: 1. a base; 2. a mounting plate; 3. a chute; 4. a slide block; 5. a stagnation-accommodating member; 6. a telescoping member; 7. a sheave; 8. a traction cable; 9. a first belt; 10. a bevel gear group I; 11. rack plate; 12. a first gear; 13. a two-way screw rod; 14. a first threaded sleeve; 15. a first connecting piece; 16. a protrusion; 17. a bearing plate; 18. a guide plate; 19. a horizontal tank body; 20. an inclined groove body; 21. a unidirectional screw rod; 22. a second threaded sleeve; 23. a second connecting piece; 24. a spring; 25. a second gear; 26. a first transmission rod; 27. a second belt; 28. a first clamping piece; 29. a second transmission rod; 30. a third gear; 31. a second clamping piece; 32. a sliding sleeve; 33. a guide rod; 34. a driving plate; 35. a pulley; 36. a connecting rod; 37. a third belt; 38. a second cone gear set; 39. and a fourth belt.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In addition, an element in the present disclosure may be referred to as being "fixed" or "disposed" on another element or being directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 to 10, in an embodiment of the invention, an integrated circuit board package welding jig includes: base 1, fixture, power unit, jacking subassembly and dislocation coupling mechanism.

The base 1 is provided with a mounting plate 2 parallel to the base;

the clamping mechanism is arranged on the mounting plate 2 and comprises two groups of horizontal clamping assemblies and two groups of vertical clamping assemblies, the horizontal clamping assemblies are matched with the vertical clamping assemblies and can clamp the side parts of the circuit board, and the horizontal clamping assemblies and the vertical clamping assemblies are completely identical in structure;

the vertical clamping assembly comprises two sliding grooves 3 arranged on the mounting plate 2, a sliding block 4 is slidably arranged in the sliding grooves 3, a stagnation holding piece 5 is fixedly arranged on the sliding block 4, two telescopic pieces 6 are symmetrically slidably arranged in the stagnation holding piece 5, the two telescopic pieces 6 are connected with a separation structure arranged on the stagnation holding piece 5, the separation structure comprises two grooved wheels 7 rotatably arranged on the stagnation holding piece 5, a traction cable 8 is sleeved between the two grooved wheels 7, and the traction cable 8 is connected with the two telescopic pieces 6 through two connecting parts penetrating through the stagnation holding piece 5 so as to drive the two telescopic pieces 6 to move close to or far away from each other when the traction cable 8 moves;

the rotating shaft of one grooved pulley 7 is connected with a first bevel gear set 10 rotatably mounted on the stagnation-accommodating member 5 through a first belt 9, a first gear 12 is rotatably mounted on the first bevel gear set 10, and the first gear 12 is meshed with a rack plate 11 fixedly mounted on the mounting plate 2.

The first bevel gear set 10 comprises a first bevel gear and a second bevel gear which are rotatably arranged on the stagnation member 5 and meshed with each other, the first bevel gear is connected with the first belt 9, and the second bevel gear is coaxially connected with the first gear 12;

the slider 4 is further provided with a first connecting piece 15, the first connecting piece 15 is connected with the power assembly, and the first connecting piece 15 is connected with the jacking assembly.

When in use, the circuit board to be welded is placed on the bearing plate 17, and the placement direction of the circuit board is as follows: the length direction of circuit board is unanimous with the arrow locking direction on mounting panel 2, later drives two sets of horizontal clamping components and two sets of vertical clamping components through power unit and is close to the motion each other to make the realization carry out the centre gripping to the circuit board, and because the velocity of motion between two sets of horizontal clamping components and the two sets of vertical clamping components is the same, makes this centre gripping back of circuit board can be arranged in the central point department of mounting panel 2, and horizontal clamping components and vertical clamping components have certain positioning effect to the circuit board promptly, thereby make the position more accurate when the welding.

Specifically, when the hysteresis component 5 moves towards the circuit board, the first gear 12 is driven to move, and the first gear 12 and the rack plate 11 are in a meshed state, so that rotation occurs when the first gear 12 moves, the first gear 12 drives one of the grooved pulleys 7 to rotate through the first bevel gear set 10 and the first belt 9, so that the traction cable 8 sleeved between the two grooved pulleys 7 moves, wherein the traction cable 8 is in double-layer closed connection or disconnection, the moving directions of the upper layer and the lower layer are opposite, the two telescopic components 6 are respectively connected with the upper layer and the lower layer of the traction cable 8 through the connecting part, and when the traction cable 8 moves, the two telescopic components 6 can move away from each other, namely the two telescopic components 6 extend towards the outside of the hysteresis component 5 at a constant speed.

Through the above-mentioned setting, realized the centre gripping to the circuit board on the one hand, on the other hand can fix a position the circuit board at the in-process of centre gripping to make at welded in-process, the position of circuit board is more accurate, and simultaneously when holding stagnating piece 5 motion, telescopic member 6 can extend towards holding stagnating piece 5's outside, in order to improve the centre gripping scope to the circuit board lateral part, make the stability when carrying out the centre gripping to the circuit board stronger.

Referring to fig. 2, 5, 7 and 8, the power mechanism is disposed on the mounting plate 2, and is connected to the horizontal clamping assemblies and the vertical clamping assemblies, and the power mechanism can drive the two groups of horizontal clamping assemblies and the two groups of vertical clamping assemblies to move close to each other, and when the two groups of horizontal clamping assemblies and the two groups of vertical clamping assemblies are close to each other, the lengths of the horizontal clamping assemblies and the vertical clamping assemblies will be increased;

the power mechanism comprises a power assembly and a follow-up assembly;

the power assembly comprises a driving device fixedly arranged on the mounting plate 2, an output shaft of the driving device is connected with a bidirectional screw rod 13 rotatably arranged on the mounting plate 2, two first threaded sleeves 14 in threaded connection with the bidirectional screw rod 13 are symmetrically arranged on the bidirectional screw rod 13, and the first threaded sleeves 14 are fixedly connected with the first connecting piece 15;

the power assembly further comprises a connecting rod 36 connected with one of the first threaded sleeves 14 and a guide rod 33 fixedly arranged on the base 1, the guide rod 33 is provided with a sliding sleeve 32 in a sliding manner, one side of the sliding sleeve 32 is fixedly provided with a driving plate 34, the driving plate 34 is provided with a guide groove body, and a pulley 35 rotatably arranged at one end, far away from the first threaded sleeve 14, of the connecting rod 36 can roll in the guide groove body;

the follow-up assembly comprises a unidirectional screw rod 21 rotatably mounted on the mounting plate 2, a second threaded sleeve 22 in threaded connection with the unidirectional screw rod 21 is arranged on the unidirectional screw rod 21, a second connecting piece 23 is slidably mounted on the second threaded sleeve 22, and the second connecting piece 23 is connected with the horizontal clamping assembly;

the second threaded sleeve 22 is sleeved with a spring 24, one end of the spring 24 is connected with the second connecting piece 23, the other end of the spring is connected with the end part of the second threaded sleeve 22, the second threaded sleeve 22 is also provided with a limit groove, and the limit groove is in sliding fit with a limit block arranged on the second connecting piece 23;

the unidirectional screw 21 is connected with the driven component.

When the bidirectional screw rod 13 rotates, the two first threaded sleeves 14 can move close to or away from each other, specifically, when the two first threaded sleeves 14 move close to each other, the two groups of vertical clamping assemblies are driven to move so as to clamp two sides of the circuit board, meanwhile, the unidirectional screw rod 21 rotates, the second threaded sleeve 22 arranged on the unidirectional screw rod 21 moves along the length direction of the unidirectional screw rod 21 and drives the horizontal clamping assemblies to move close to each other, so that clamping of the other two sides of the circuit board is realized, the two groups of horizontal clamping assemblies are matched with the two groups of vertical clamping assemblies, and clamping of four sides of the circuit board is realized, so that the circuit board is more stable in the clamping process.

Through the arrangement, due to the fact that threaded connection is adopted between the bidirectional screw rod 13 and the first threaded sleeve 14 and between the unidirectional screw rod 21 and the second threaded sleeve 22, the threaded connection has self-locking property, when the bidirectional screw rod 13 and the unidirectional screw rod 21 stop rotating, the relative positions of the first threaded sleeve 14 and the second threaded sleeve 22 are kept constant, and therefore the positions of the horizontal clamping assembly and the vertical clamping assembly are kept constant, and after the circuit board is clamped, the clamping capacity of the horizontal clamping assembly and the vertical clamping assembly to the circuit board is stronger.

Referring to fig. 2 and 5, the lifting assembly is disposed on the mounting plate 2, the lifting assembly is connected with the power assembly, and the lifting assembly is connected with a supporting plate 17 penetrating through the mounting plate 2, and when the power assembly acts, the lifting assembly drives the supporting plate 17 to lift;

the jacking assembly comprises two bulges 16 symmetrically arranged on the first connecting piece 15 and a guide plate 18 fixedly connected with the bearing plate 17, two guide grooves are symmetrically arranged on the guide plate 18, and the bulges 16 can slide in the guide grooves;

the guide groove comprises a horizontal groove body 19 and an inclined groove body 20, and the horizontal groove body 19 and the inclined groove body 20 are in smooth transition.

In the initial state, the supporting plate 17 is at a height higher than the mounting plate 2, at this time, the process of placing the circuit board on the supporting plate 17 or taking the circuit board on the supporting plate 17 away is more convenient, meanwhile, in this state, the boss 16 on the first connecting piece 15 is at one end of the inclined groove body 20 far away from the horizontal groove body 19, when the bidirectional screw rod 13 rotates to drive the two groups of vertical clamping components to move close to each other, the boss 16 moves along with the first threaded sleeve 14 and drives the boss 16 to transversely displace, in the process of transversely displacing the boss 16, the guide plate 18 moves downwards and drives the supporting plate 17 to move towards the mounting plate 2, and when the boss 16 moves onto the horizontal groove body 19, at this time, the height of the supporting plate 17 is constant, at this time, the circuit board can be clamped when the stagnation piece 5 moves towards the circuit board, after the welding of the circuit board is completed, the bidirectional screw rod 13 moves reversely to drive the boss 16 to reset, when the boss 16 moves to the inclined groove body 20 again, and the boss 16 moves upwards in a matched mode with the inclined groove body 20 when the boss 16 moves to the end.

Through the arrangement, the state that the supporting plate 17 is higher than the mounting plate 2 before and after the current plate is welded is realized, so that the circuit board is placed or taken out more conveniently, and the problem that the circuit board is taken out inconveniently due to no gap or too small gap between the circuit board and the mounting plate 2 is avoided.

Referring to fig. 2, 6, 7, 9 and 10, the dislocation connection mechanism is disposed on the driving mounting plate 2, and includes a driving component and a driven component, the driving component is connected to the bidirectional screw rod 13, the driven component is connected to the unidirectional screw rod 21, the driving component cooperates with the driven component to enable the power component and the driven component to act synchronously, and after the horizontal clamping component abuts against a side portion of the circuit board, the driven component is disconnected from the driving component;

the driving assembly comprises a second transmission rod 29 rotatably mounted on the base 1, a third gear 30 is slidably arranged on the second transmission rod 29, the second transmission rod 29 is connected with a second bevel gear set 38 arranged on the base 1 through a third belt 37, and the second bevel gear set 38 is connected with the bidirectional screw rod 13 through a fourth belt 39.

The second bevel gear set 38 comprises a third bevel gear and a fourth bevel gear which are rotatably arranged on the base 1 and meshed with each other, the third bevel gear is connected with the third belt 37, and the fourth bevel gear is connected with the fourth belt 39;

the driven component comprises a first transmission rod 26 rotatably installed on the base 1, a second gear 25 is sleeved on the first transmission rod 26 in a sliding mode, the second gear 25 is matched with the third gear 30, and the first transmission rod 26 is connected with the unidirectional screw rod 21 through a second belt 27;

the second gear 25 is connected with the second connecting piece 23 and the third gear 30 is connected with the sliding sleeve 32 by a connecting sleeve, the connecting sleeve comprises annular grooves formed on two sides of the second gear 25 and the third gear 30, the annular grooves on the second gear 25 are rotationally connected with a first clamping piece 28 fixed on the second connecting piece 23, and the annular grooves on the third gear 30 are rotationally connected with a second clamping piece 31 fixed on the sliding sleeve 32.

In the initial state, the second gear 25 and the third gear 30 are in a meshed state, when the bidirectional screw rod 13 rotates, the second transmission rod 29, the third belt 37, the second bevel gear set 38 and the fourth belt 39 drive the third gear 30 to rotate, the third gear 30 is meshed with the second gear 25, when the third gear 30 rotates, the second gear 25 is driven to rotate, in the process of rotating the second gear 25, the second gear 25 drives the unidirectional screw rod 21 to rotate through the first transmission rod 26 and the second belt 27, the pitches of the unidirectional screw rod 21 and the bidirectional screw rod 13 are the same, when the bidirectional screw rod 13 rotates, the unidirectional screw rod 21 synchronously rotates, the rotation speeds of the unidirectional screw rod 21 and the bidirectional screw rod 13 are the same, and the movement speeds of the first threaded sleeve 14 and the second threaded sleeve 22 on the unidirectional screw rod 21 are the same, so that the horizontal clamping assembly and the vertical clamping assembly synchronously move.

Further, since the second gear 25 is slidably sleeved on the first transmission rod 26, and the second gear 25 is connected with the second connecting piece 23 through the first clamping piece 28, when the unidirectional screw rod 21 rotates, the first clamping piece 28 drives the second gear 25 to move along with the second threaded sleeve 22, meanwhile, the first threaded sleeve 14 drives the pulley 35 to transversely displace through the connecting rod 36, and the pulley 35 is in rolling fit with the guide groove body which is obliquely arranged at 45 degrees, so that when the pulley 35 moves, the sliding sleeve 32 is driven to do linear motion in the same direction and at the same speed as the second threaded sleeve 22, so that the same moving speed of the second gear 25 and the third gear 30 is maintained, and the horizontal clamping assembly and the vertical clamping assembly synchronously move.

Wherein, because the direction of placement of the circuit board is: the length direction of the circuit board is consistent with the locking direction of the arrow on the mounting plate 2, so that in the clamping process, the horizontal clamping component is firstly abutted against the side part of the circuit board, after the horizontal clamping component is abutted against the circuit board, the second connecting piece 23 is stopped moving, the second gear 25 and the third gear 30 are still in an engaged state, the third gear 30 continuously drives the second gear 25 to rotate, so that the unidirectional screw 21 rotates, meanwhile, the third gear 30 is misplaced with the second gear 25, in the rotating process of the unidirectional screw 21, the second threaded sleeve 22 continuously moves, at the moment, the second threaded sleeve 22 completely misplaces the compression spring 24 until the second gear 25 and the second gear 25, the second gear 25 stops rotating, at the moment, the horizontal clamping component is abutted against the side part of the circuit board, meanwhile, the vertical clamping component continuously moves to clamp the other two side surfaces of the circuit board, and a pressure sensor is arranged on the vertical clamping component, so that after the vertical clamping component is abutted against the circuit board, the driving device is continuously driven, the movement of the vertical clamping component is avoided, and the structure of the circuit board is damaged.

Through the arrangement, synchronous movement of the horizontal clamping assembly and the vertical clamping assembly can be realized, after the horizontal clamping assembly is abutted against the circuit board, the horizontal clamping assembly stops moving, and then the vertical clamping assembly continues moving to clamp the other two sides of the circuit board, so that the side part of the circuit board is clamped.

It should be noted that, in the resetting process, the third gear 30 will slowly move toward the second gear 25, and after the third gear 30 abuts against the second gear 25, the third gear is meshed with the second gear 25 again, so as to drive the second gear 25 to turn over, thereby realizing resetting.

As an embodiment of the present invention, there is also provided a method for soldering an integrated circuit board using the soldering jig, including the steps of:

step one: placing the circuit board to be welded on the supporting plate 17, wherein the supporting plate 17 is in a state of protruding out of the mounting plate 2 at the moment, so that the circuit board can be placed and taken out manually;

step five: and welding the clamped circuit board, and taking down the circuit board after welding.

In summary, when in use, the circuit board to be soldered is placed on the supporting plate 17, specifically, the placement direction of the circuit board is as follows: the length direction of circuit board is unanimous with the arrow locking direction on mounting panel 2, later drives two sets of horizontal clamping components and two sets of vertical clamping components through power unit and is close to the motion each other to make the realization carry out the centre gripping to the circuit board, and because the velocity of motion between two sets of horizontal clamping components and the two sets of vertical clamping components is the same, makes this centre gripping back of circuit board can be arranged in the central point department of mounting panel 2, and horizontal clamping components and vertical clamping components have certain positioning effect to the circuit board promptly, thereby make the position more accurate when the welding.

Wherein, because the direction of placement of the circuit board is: the length direction of the circuit board is consistent with the locking direction of the arrow on the mounting plate 2, so that in the clamping process, the horizontal clamping component is firstly abutted against the side part of the circuit board, after the horizontal clamping component is abutted against the circuit board, the second connecting piece 23 stops moving, the second gear 25 and the third gear 30 are still in an engaged state, the third gear 30 continuously drives the second gear 25 to rotate, so that the unidirectional screw 21 rotates, the third gear 30 is misplaced with the second gear 25, in the rotating process of the unidirectional screw 21, the second threaded sleeve 22 continuously moves, the second threaded sleeve 22 compresses the spring 24 until the second gear 25 is completely misplaced with the second gear 25, the second gear 25 stops rotating, the horizontal clamping component is abutted against the side part of the circuit board, and the vertical clamping component continuously moves to clamp the other two side surfaces of the circuit board.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. An integrated circuit board package welding jig, comprising:

the device comprises a base (1), wherein a mounting plate (2) parallel to the base (1) is arranged on the base (1);

the clamping mechanism is arranged on the mounting plate (2) and comprises two groups of horizontal clamping assemblies and two groups of vertical clamping assemblies, and the horizontal clamping assemblies are matched with the vertical clamping assemblies to clamp the side parts of the circuit board;

the power mechanism is arranged on the mounting plate (2), is connected with the horizontal clamping assemblies and the vertical clamping assemblies, can drive the two groups of the horizontal clamping assemblies and the two groups of the vertical clamping assemblies to move close to each other, and increases the length of the horizontal clamping assemblies and the length of the vertical clamping assemblies when the two groups of the horizontal clamping assemblies and the two groups of the vertical clamping assemblies are close to each other;

the power mechanism comprises a power assembly and a follow-up assembly;

the jacking component is arranged on the mounting plate (2), is connected with the power component, is connected with a bearing plate (17) penetrating through the mounting plate (2), and drives the bearing plate (17) to ascend when the power component acts;

the dislocation coupling mechanism is arranged on the driving mounting plate (2), the dislocation coupling mechanism comprises a driving component and a driven component, the driving component is connected with the power component, the driven component is connected with the follow-up component, the driving component is matched with the driven component, the power component and the follow-up component can synchronously act, and after the horizontal clamping component is abutted against the side part of the circuit board, the driven component is disconnected with the driving component.

2. The integrated circuit board packaging and welding jig according to claim 1, wherein the vertical clamping assembly comprises two sliding grooves (3) arranged on the mounting plate (2), a sliding block (4) is slidably arranged in the sliding grooves (3), a stagnation-accommodating member (5) is fixedly arranged on the sliding block (4), two telescopic members (6) are symmetrically and slidably arranged in the stagnation-accommodating member (5), and the two telescopic members (6) are connected with a separation structure arranged on the stagnation-accommodating member (5);

the sliding block (4) is further provided with a first connecting piece (15), the first connecting piece (15) is connected with the power assembly, and the first connecting piece (15) is connected with the jacking assembly.

3. An integrated circuit board packaging and welding jig according to claim 2, characterized in that the separating structure comprises two grooved wheels (7) rotatably mounted on the retaining member (5), a traction cable (8) is sleeved between the two grooved wheels (7), and the traction cable (8) is connected with the two telescopic members (6) through two connecting parts penetrating through the retaining member (5) so as to drive the two telescopic members (6) to move close to or away from each other when the traction cable (8) moves;

one of them the pivot of sheave (7) is connected through a belt (9) and is rotated and install a number bevel gear group (10) on holding stagnating piece (5), rotate on a number bevel gear group (10) and install a number gear (12), a number gear (12) with fixed mounting rack board (11) meshing on mounting panel (2).

4. An integrated circuit board packaging and welding jig according to claim 2, characterized in that the power assembly comprises a driving device fixedly mounted on the mounting plate (2), an output shaft of the driving device is connected with a bidirectional screw rod (13) rotatably mounted on the mounting plate (2), two first threaded sleeves (14) in threaded connection with the bidirectional screw rod (13) are symmetrically arranged on the bidirectional screw rod (13), and the first threaded sleeves (14) are fixedly connected with the first connecting piece (15);

the power assembly further comprises a connecting rod (36) connected with one first threaded sleeve (14) and a guide rod (33) fixedly installed on the base (1), the guide rod (33) is provided with a sliding sleeve (32) in a sliding mode, one side of the sliding sleeve (32) is fixedly provided with a driving plate (34), the driving plate (34) is provided with a guide groove body, and a pulley (35) which is rotatably installed at one end, far away from the first threaded sleeve (14), of the connecting rod (36) can roll in the guide groove body.

5. The integrated circuit board package welding jig according to claim 2, wherein the jacking assembly comprises two protrusions (16) symmetrically arranged on the first connecting piece (15) and a guide plate (18) fixedly connected with the supporting plate (17), two guide grooves are symmetrically arranged on the guide plate (18), and the protrusions (16) can slide in the guide grooves;

the guide groove comprises a horizontal groove body (19) and an inclined groove body (20), and the horizontal groove body (19) and the inclined groove body (20) are in smooth transition.

6. The integrated circuit board packaging and welding jig according to claim 4, wherein the follow-up assembly comprises a unidirectional screw rod (21) rotatably mounted on the mounting plate (2), a second threaded sleeve (22) in threaded connection with the unidirectional screw rod (21) is arranged on the unidirectional screw rod (21), a second connecting piece (23) is slidably mounted on the second threaded sleeve (22), and the second connecting piece (23) is connected with the horizontal clamping assembly;

the second threaded sleeve (22) is sleeved with a spring (24), one end of the spring (24) is connected with the second connecting piece (23), the other end of the spring is connected with the end part of the second threaded sleeve (22), the second threaded sleeve (22) is also provided with a limiting groove, and the limiting groove is in sliding fit with a limiting block arranged on the second connecting piece (23);

the unidirectional screw rod (21) is connected with the driven component.

7. The integrated circuit board packaging and welding jig according to claim 6, wherein the driving component comprises a second transmission rod (29) rotatably mounted on the base (1), a third gear (30) is slidably arranged on the second transmission rod (29), the second transmission rod (29) is connected with a second bevel gear set (38) arranged on the base (1) through a third belt (37), and the second bevel gear set (38) is connected with the bidirectional screw rod (13) through a fourth belt (39).

8. The integrated circuit board packaging and welding jig according to claim 7, wherein the driven assembly comprises a first transmission rod (26) rotatably mounted on the base (1), a second gear (25) is slidably sleeved on the first transmission rod (26), the second gear (25) is matched with the third gear (30), and the first transmission rod (26) is connected with the unidirectional screw (21) through a second belt (27).

9. The integrated circuit board packaging and welding jig according to claim 8, wherein the second gear (25) is connected with the second connecting piece (23) and the third gear (30) is connected with the sliding sleeve (32) by a connecting sleeve, the connecting sleeve comprises annular grooves formed on two sides of the second gear (25) and the third gear (30), the annular grooves on the second gear (25) are rotationally connected with a first clamping piece (28) fixed on the second connecting piece (23), and the annular grooves on the third gear (30) are rotationally connected with a second clamping piece (31) fixed on the sliding sleeve (32).

10. A method of soldering an integrated circuit board using the soldering jig of claim 1, comprising the steps of:

step one: placing the circuit board to be welded on the supporting plate (17), wherein the supporting plate (17) is in a state of protruding out of the mounting plate (2) at the moment, so that the circuit board can be placed and taken out manually;