CN211267270U

CN211267270U - Smoothing tool for flexible circuit board

Info

Publication number: CN211267270U
Application number: CN201922296382.8U
Authority: CN
Inventors: 陆健; 金林涛; 程胜
Original assignee: Wuhu Token Sciences Co Ltd
Current assignee: Wuhu Token Sciences Co Ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-08-14
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a flexible circuit board instrument of smoothing out with fingers, the on-line screen storage device comprises a base, upper cover, collets, well and heating piece, the upper cover all articulates on base one with well ramus same end, well ramus is located between base and the upper cover, the heating piece is established on the other end of well ramus, the collets corresponds the heating piece and establishes the other end lower part at the upper cover, be equipped with first spring between upper cover and the well ramus, be equipped with the second spring between well ramus and the base. The FPC smoothing device has the advantages that the FPC part to be smoothed is compacted by the insulating material and the heating block, meanwhile, the connecting rod drives the micro switch downwards, and the heating device starts to work, so that hot pressing and smoothing are combined, the working procedures are reduced, meanwhile, the risk of high-temperature scalding after the FPC is hot pressed is avoided, and the FPC smoothing effect is obviously improved; the smoothing operation is simple and convenient, and the smoothing effect is good.

Description

Smoothing tool for flexible circuit board

Technical Field

The utility model belongs to the technical field of flexible circuit board production technique and specifically relates to a instrument is smoothed out with fingers to flexible circuit board is related to.

Background

A Flexible Printed Circuit (FPC) is a highly reliable and excellent Flexible Printed Circuit board made of polyimide or polyester film as a base material. The high-density light-weight LED lamp has the characteristics of high wiring density, light weight, thin thickness and good bending property. Therefore, the bending is easy to cause due to the action of external force in the processing or transportation process, along with the improvement of the automation degree, the existing Bonding process mainly depends on full-automatic FOG for production, due to the fact that the FPC bends, if the FPC is directly loaded, the prepressing head can not completely adsorb the FPC, the machine table alarms, a clamping plate is usually adopted for hot-pressing treatment before loading, and then a method of flattening with two hands is used for solving the problems.

The existing method for solving the warping of the FPC comprises the steps of firstly using a clamping plate for hot pressing, reducing the toughness of the FPC, enabling the FPC to be better shaped, and then matching two hands for smoothing-out operation.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model aims to solve the technical problem that a flexible circuit board instrument of smoothing out with fingers is provided, and it is easy and simple to handle with fingers out with fingers and smooth out effectually.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

this flexible circuit board instrument of smoothing out with fingers, the on-line screen storage device comprises a base, upper cover, collets, well zhi and heating block, the same end of upper cover and well zhi all articulates on base one end, well zhi is located between base and the upper cover, the heating block is established on the other end of well zhi, the other end lower part at the upper cover is established to the collets corresponding heating block, be equipped with first spring between upper cover and the well zhi, be equipped with the second spring between well zhi and the base.

Furthermore, one end of the base is provided with a convex connecting piece, and one ends of the upper cover and the middle support are hinged on the connecting piece through a rotating shaft.

The other end of the base is provided with a foam block corresponding to the other end of the middle support, and the lower surface of the other end of the middle support is a plane.

The middle support is provided with a sliding groove, the sliding groove is provided with a sliding block, the upper end of the first spring is connected with the upper cover, and the lower end of the first spring is connected with the sliding block.

The lower part of the middle support is provided with a transverse plate, a supporting plate is arranged on the base under the transverse plate, and the second spring is arranged between the transverse plate and the supporting plate.

The other end of base is equipped with the boss, and the boss is located heating block under, is equipped with the mounting groove on the boss, and the cotton piece of bubble is established in the mounting groove.

The hinged end of the sliding block corresponding to the middle support is provided with a groove, and a hook used for being connected with the lower end of the first spring is arranged in the groove.

The hinge end of the middle support far away from the middle support is provided with a stop block, and the distance from the hinge end of the sliding chute far away from the middle support to the stop block is equal to the length of the heating block.

The lower part of the transverse plate is provided with a connecting rod, the supporting plate is provided with a hole for the lower end of the connecting rod to pass through, the lower part of the supporting plate is provided with a microswitch for controlling the heating block to work, and the lower end of the connecting rod is hinged with a driving rod for touching the microswitch.

The automatic control device also comprises a plug connected with an external power supply, and a manual control switch is arranged on a power line between the plug and the microswitch.

Compared with the prior art, the utility model, have following advantage:

the flexible circuit board smoothing tool is reasonable in structural design, the upper cover and the middle support are rotated towards the direction of the base by using external force, the FPC to be smoothed is compacted by the insulating material and the heating block, meanwhile, the connecting rod drives the micro switch downwards, and the heating device starts to work, so that hot pressing and smoothing are combined together, the working procedures are reduced, the risk of high-temperature scalding after the FPC is hot pressed is avoided, and the FPC smoothing effect is obviously improved; the part to be wiped of the FPC is clamped by the CR foam and the bottom end of the middle support under the driving of external force, the wiping function is realized through the relative movement of the FPC and the smoothing tool, the direct contact between a hand and the FPC is avoided, and the circuit board is prevented from being polluted; the smoothing operation is simple and convenient, and the smoothing effect is good.

Drawings

The contents of the description and the references in the drawings are briefly described as follows:

fig. 1 is a schematic view of the tool structure of the present invention.

Fig. 2 is a schematic view of the slider structure of the present invention.

Fig. 3 is a schematic diagram of a local circuit of the present invention.

In the figure:

1. an upper cover; 2, a bracket; 3. a heat insulating block; 4. a first spring; 5. a heating block; 6. a stopper; 7. a slider; 8. a limiting hole; 9. hooking; 10. middle branch; 11. soaking cotton blocks; 12. a base; 13. a wiring terminal; 14. a microswitch; 15. a drive rod; 16. a single pole, single throw switch; 17. a plug; 18. a support plate; 19. a second spring; 20. a connecting member; 21. a connecting rod; 22. a transverse plate; 23. a rotating shaft 24 and a sliding chute; 25. a push plate.

Detailed Description

The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, the flexible circuit board smoothing tool comprises a base, an upper cover, an insulating block, a middle support and a heating block, wherein the same end of the upper cover and the middle support is hinged to one end of the base, the middle support is positioned between the base and the upper cover, the heating block is arranged at the other end of the middle support, the insulating block is arranged at the lower part of the other end of the upper cover corresponding to the heating block, a first spring is arranged between the upper cover and the middle support, and a second spring is arranged between the middle support and the base.

One end of the base is provided with a convex connecting piece, and one ends of the upper cover and the middle support are hinged on the connecting piece through a rotating shaft. The other end of the base is provided with a foam block corresponding to the other end of the middle support, and the lower surface of the other end of the middle support is a plane; preferably, the other end of the base is provided with a boss, the boss is positioned under the heating block, the boss is provided with a mounting groove, and the foam block is arranged in the mounting groove.

The middle support is provided with a sliding groove, the sliding groove is provided with a sliding block, the upper end of the first spring is connected with the upper cover, and the lower end of the first spring is connected with the sliding block. The hinged end of the sliding block corresponding to the middle support is provided with a groove, and a hook used for being connected with the lower end of the first spring is arranged in the groove. The hinge end of the middle support far away from the middle support is provided with a stop block, and the distance from the hinge end of the middle support far away from the sliding chute to the stop block is equal to the length of the heating block.

The lower part of the middle support is provided with a transverse plate, a supporting plate is arranged on the base under the transverse plate, and the second spring is arranged between the transverse plate and the supporting plate. The lower part of the transverse plate is provided with a connecting rod, the supporting plate is provided with a hole for the lower end of the connecting rod to pass through, the lower part of the supporting plate is provided with a microswitch for controlling the heating block to work, and the lower end of the connecting rod is hinged with a driving rod for touching the microswitch.

The tool also comprises a plug connected with an external power supply, and a manual control switch is arranged on a power line between the plug and the microswitch, so that the tool is convenient to control.

Preferred specific examples are:

the FPC flattening tool comprises a heating block 5, a base 12, a micro switch 14, a second spring 19 and a rotating shaft 23, wherein a wiring terminal 13 is installed at the central position of the bottom end inside the base 12, a single-pole single-throw switch 16 is installed at one end of the bottom end inside the base 12, the micro switch 14 is installed at the bottom end inside the base 12 on one side of the single-pole single-throw switch 16, a driving rod 15 is arranged at the top end of the micro switch 14, a connecting piece 20 is installed at one end of the top end of the base 12, a supporting plate 18 is installed at the top end of the base (12) at the bottom end of the connecting piece 20, a foam block 11 is fixed at one end, far away from the connecting piece 20, of the top end of the base 12, the rotating shaft 23 which is parallel to and perpendicular to two sides of the connecting piece 20 is installed at the top end of the connecting piece 20, a middle support 10 and an upper cover 1 are installed on, the connecting rod 21 that runs through backup pad 18 and base 12 top is vertically installed to diaphragm 22 bottom central point, and the connecting rod 21 bottom articulates there is actuating lever 15, the one end of keeping away from pivot 23 on well 10 top is provided with dog 6, and heating block 5 is installed on the top of propping up in dog one side, two spouts 24 have been seted up to well 10 both sides level of heating block one side, and spout 24 installs the push pedal through slider 7 that matches with it, the push pedal is just seted up flutedly to the bottom of pivot 23 one side, and the recess just installs couple 9 to the central point department of the side of pivot 23, the bottom that pivot 23 one end was kept away from to upper cover 1 is installed adiabatic piece 3, and support 2 is installed on the inside top of upper cover 1, plug 17 passes through wire and binding post 13, micro-gap switch 14, single-pole single-throw 16 and heating.

The push plate forms a sliding structure with the slide block 7 through the sliding groove 24, the distance from one end of the sliding groove 24 far away from the rotating shaft 23 to the stop block 6 is equal to the length of the heating device 5, and the heating block is clamped through the slide block and the stop block.

The upper cover 1, the middle support 10 and the base 12 form a rotating mechanism through a rotating shaft 23, and the rotation among the upper cover, the middle support and the base is not influenced mutually.

The axis of the second spring 19 coincides with the axis of the link 21 and the length of the second spring 19 is equal to the vertical distance of the support plate 18 from the cross plate 22. The bottom of one end of the bracket 2 is fixed with a first spring 4, the first spring 4 is connected with a hook 9 on the side surface of the groove through a limiting hole 8 at the top end of the push plate, the caliber of the first spring 4 is equal to the height of the groove of the push plate, and the axis of the part of the first spring 4 in the groove is always parallel to the axis of the middle support 10.

A hole is formed on the side of the base 12 close to the single-pole single-throw switch 16, and the knife of the single-pole single-throw switch 16 passes through the side of the base 12 through the hole.

When the FPC smoothing tool is used, the heating block 5 is inserted into a power supply socket at the bottom of the middle support 10 in a mode of clinging to the stop dog 6, the upper cover 1 is pressed by external force to rotate around the rotating shaft 23 towards the middle support 10, the first spring 4 contracts along with the movement of the upper cover 1 to generate elastic force, the elastic force is connected with the hook 9 through the limiting hole 8, the direction of the elastic force is converted into a direction parallel to the axis of the middle support 10, the push plate realizes the lateral movement of the slide block 6 through the matching of the slide block 7 on the sliding groove 24 under the action of the elastic force generated by the first spring 4, when the slide block 6 moves to the leftmost end of the sliding groove 24, the distance between the slide block and the stop dog 6 is just equal to the length of the heating block 5, the foam block is replaced according to needs under the combined action of the slide block and the stop dog 6, a little alcohol is sucked into the foam block, the plug 17 is externally, a single-pole single-throw switch 16 is turned to a closed position, a part to be smoothed out of an FPC is placed between a heating block 5 and a heat insulation block 3, the upper cover 1 is pressed by external force to move continuously to a middle support 10 until the heat insulation block 3 is contacted with the heating block 5, the external force is continuously applied to the upper cover 1, the middle support 10 rotates together with the upper cover 1 in the direction of a base 12 under the action of the upper cover 1 until the bottom end of the middle support 10 is contacted with the base 12, at the moment, due to the rotation of the middle support 10, a second spring 19 is compressed to generate tension, a connecting rod 21 moves downwards to push a driving rod 15, so that a microswitch 14 is conducted, the heating block 5 works normally, the FPC is reshaped by relative movement between the FPC and a smoothing tool in a hot-pressing state, the hot pressing and smoothing are combined, the working procedures are reduced, the risk of high-temperature scalding after the FPC is avoided, and the smoothing effect of the FPC is obviously improved, the external force acting on the upper cover 1 is gradually removed, the middle support 10 and the upper cover 1 rotate together in the direction away from the base 12 under the tension of the second spring 19, the connecting rod 21 moves upwards at the same time and pulls up the driving rod 15, the micro switch is switched off, the heating block 5 stops working, when the middle support 10 and the upper cover 1 return to the initial positions, the smoothed FPC is taken out, the single-pole single-throw switch is switched off, the part of the FPC to be wiped is placed above the foam block, the external force acts on the upper cover 1 through the method, the FPC is clamped between the foam block and the bottom end of the middle support 10, the FPC is moved to be wiped, the external force acting on the upper cover 1 is gradually removed after wiping is finished, when the middle support 10 and the upper cover 1 return to the initial positions, the wiped FPC is taken out and placed at the corresponding position, and the operation is repeated to continue to operate the next FPC.

The above-mentioned is only for the description of the preferred embodiments of the present invention, and the above-mentioned technical features can be combined at will to form a plurality of embodiments of the present invention.

The present invention has been described in detail with reference to the accompanying drawings, and it is apparent that the present invention is not limited by the above embodiments, and various insubstantial improvements can be made without modification to the present invention.

Claims

1. The utility model provides a flexible circuit board instrument of smoothing out with fingers, includes the base, its characterized in that: still include upper cover, collets, well zhi and heating piece, the same end of upper cover and well zhi all articulates on base one end, well zhi is located between base and the upper cover, the heating piece is established on the other end of well zhi, the collets corresponds the heating piece and establishes the other end lower part at the upper cover, be equipped with first spring between upper cover and the well zhi, be equipped with the second spring between well zhi and the base.

2. The flexible circuit board smoothing tool of claim 1, wherein: one end of the base is provided with a convex connecting piece, and one ends of the upper cover and the middle support are hinged on the connecting piece through a rotating shaft.

3. The flexible circuit board smoothing tool according to claim 1 or 2, wherein: the other end of the base is provided with a foam block corresponding to the other end of the middle support, and the lower surface of the other end of the middle support is a plane.

4. The flexible circuit board smoothing tool of claim 1, wherein: the middle support is provided with a sliding groove, the sliding groove is provided with a sliding block, the upper end of the first spring is connected with the upper cover, and the lower end of the first spring is connected with the sliding block.

5. The flexible circuit board smoothing tool of claim 1, wherein: the lower part of the middle support is provided with a transverse plate, a supporting plate is arranged on the base under the transverse plate, and the second spring is arranged between the transverse plate and the supporting plate.

6. The flexible circuit board smoothing tool of claim 3, wherein: the other end of base is equipped with the boss, and the boss is located heating block under, is equipped with the mounting groove on the boss, and the cotton piece of bubble is established in the mounting groove.

7. The flexible circuit board smoothing tool of claim 4, wherein: the hinged end of the sliding block corresponding to the middle support is provided with a groove, and a hook used for being connected with the lower end of the first spring is arranged in the groove.

8. The flexible circuit board smoothing tool of claim 4, wherein: the hinge end of the middle support far away from the middle support is provided with a stop block, and the distance from the hinge end of the sliding chute far away from the middle support to the stop block is equal to the length of the heating block.

9. The flexible circuit board smoothing tool of claim 5, wherein: the lower part of the transverse plate is provided with a connecting rod, the supporting plate is provided with a hole for the lower end of the connecting rod to pass through, the lower part of the supporting plate is provided with a microswitch for controlling the heating block to work, and the lower end of the connecting rod is hinged with a driving rod for touching the microswitch.

10. The flexible circuit board smoothing tool of claim 9, wherein: the automatic control device also comprises a plug connected with an external power supply, and a manual control switch is arranged on a power line between the plug and the microswitch.