Flexible circuit board bending mechanism

Abstract

The utility model discloses a flexible circuit board bending mechanism, which comprises a bearing platform, a plurality of groups of angle assemblies and a jacking assembly, the plurality of groups of angle assemblies which are compactly arranged are arranged above the bearing platform, and each angle assembly is composed of a driving assembly and a folding knife assembly. The folding knife assembly is driven by the driving assembly to downwards generate stamping, and the angle assemblies are independently driven. The jacking assembly is located at the bottom of the bearing platform, bottom bearing of the flexible circuit board is formed through the jacking assembly, and bending of the upper surface of the flexible circuit board is formed through downward stamping of the angle assemblies in sequence. According to the whole device, a plurality of angle assemblies are arranged on the bearing platform, so that multiple bending operations on the flexible circuit board can be realized in a small space area, and the bending efficiency is improved, that is, multiple bending operations can be completed on one station.

Description

Technical Field

[0001] The utility model belongs to the technical field of flexible circuit board processing equipment, and particularly relates to a flexible circuit board bending mechanism. Background Art

[0002] A flexible circuit board, also known as a flexible printed circuit board or a flex circuit board, is a printed circuit made of a polyester film or a polyimide substrate with highly reliable and excellent flexibility by etching circuits on a copper foil. It has excellent characteristics such as light weight, thin thickness, free bending and folding, and small volume. It has very wide applications in the fields of aerospace, military, mobile communication, laptop computers, computer peripherals, digital cameras, etc.

[0003] In Chinese Patent Grant Publication No.: CN102938979B, a bending device for a flexible circuit board is disclosed, which includes a base and a side plate connected to the base. A downward pressing mechanism is provided on the side plate, and the downward pressing mechanism includes a fixed seat, a connecting rod, and a pressing plate. The fixed seat is provided with a receiving groove and a groove. The receiving groove receives the flexible circuit board, and the groove is matched with the pressing block; when the downward pressing mechanism moves towards the base, it drives the pressing block to move into the groove.

[0004] However, for this kind of device, there is an upper downward pressing mechanism, that is, it can only cooperate with the lower groove to achieve pressing in only one direction. When multiple pressings are required, multiple steps of operations are needed, which increases the cost and also affects the effect. At present, manual operation in the bending of flexible circuit boards has problems such as inaccurate, unstable bending positions, poor forming angles, and low efficiency. Summary of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the purpose of the utility model is to provide a flexible circuit board bending mechanism to solve the above technical problems existing in the prior art.

[0006] The purpose of the utility model can be realized by the following technical solutions:

[0007] A flexible circuit board bending mechanism includes a bearing platform, multiple groups of angle components, and a jacking component.

[0008] Above the bearing platform, multiple groups of angle components are arranged in a compact manner. Each angle component consists of a driving component and a folding knife component. The folding knife component is driven by the driving component to generate a downward stamping force, and multiple groups of angle components are independently driven.

[0009] The jacking component is located at the bottom of the bearing platform, and forms a bottom bearing for the flexible circuit board. Through the downward stamping of multiple groups of the angle components in sequence, the bending of the upper surface of the flexible circuit board is formed.

[0010] Further, the angle component at least includes a first angle component, a second angle component, and a third angle component. A first driving component is provided on the upper part where the first angle component is located, and a first folding knife is provided on the lower part. The first folding knife is driven by the first driving component to press and bend the flexible circuit board carried below;

[0011] A second driving component is provided on the upper part where the second angle component is located, and a second folding knife is provided on the lower part. The second folding knife is driven by the second driving component to press and bend the flexible circuit board carried below;

[0012] A third driving component is provided on the upper part where the third angle component is located, and a third folding knife is provided on the lower part. The third folding knife is driven by the third driving component to press and bend the flexible circuit board carried below.

[0013] Further, the first angle component forms an inclined angle with the vertical axis direction.

[0014] Further, the first driving component located in the first angle component is connected to the groove on the end face of the first folding knife through a first cylindrical threaded step part.

[0015] Further, a limiting protrusion is provided on the rear end face where the first folding knife, the second folding knife, and the third folding knife are located.

[0016] Further, a fixed seat is slidably connected to the lower part of the bearing platform through a linear guide rail, and a positioning hole is provided in the fixed seat. A plurality of bearing cavity blocks are provided in the positioning hole, and the outer periphery of the flexible circuit board is wrapped and limited by the bearing cavity blocks;

[0017] And the relative movement of the bearing platform drives the multi-group angle components located above to move synchronously.

[0018] Further, an equal-height block is provided above the linear guide rail, and the upper surface of the bearing platform located above is made horizontal through the equal-height block.

[0019] Further, the fixed seat and the bearing platform are limited in the vertical direction through a positioning buffer member in the vertical direction.

[0020] Further, the top of the jacking component is provided with a connected angle-shaped cavity block assembly, and the bottom of the angle-shaped cavity block is connected to the groove at the output end of the jacking component through a second cylindrical threaded step part. The output of the jacking component is used to jack up the angle-shaped cavity block of the jacking component, so as to realize that the angle-shaped cavity block forms a support for the bottom of the flexible circuit board.

[0021] The beneficial effects of the present utility model:

[0022] 1. The device is provided with multiple angle components on the bearing platform, which can realize multiple bending operations on the flexible circuit board in a small space area, improving the bending efficiency, that is, multiple bending operations can be completed at one station.

[0023] 2. The first angle component adopted by the device is inclined. This setting method can bend the flexible circuit board from an inclined direction and can complete relatively complex structural settings.

[0024] 3. The angle-shaped cavity block adopted by the device adopts multiple independent structures, which can be quickly replaced and meet the bearing needs of flexible circuit boards in special-shaped states. There is no need to replace the entire equipment platform, and the adaptability is stronger. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art.

[0026] Figure 1 is the overall first perspective structural schematic diagram of the embodiment of the present utility model;

[0027] Figure 2 is the overall top view structural schematic diagram of the embodiment of the present utility model;

[0028] Figure 3 is the overall second perspective structural schematic diagram of the embodiment of the present utility model;

[0029] Figure 4 is the structural schematic diagram of the first angle component of the embodiment of the present utility model;

[0030] Figure 5 is the connection structural schematic diagram of the second angle component and the third angle component of the embodiment of the present utility model;

[0031] Figure 6 is the overall third perspective structural schematic diagram of the embodiment of the present utility model;

[0032] Figure 7 is the structural schematic diagram of the angle-shaped cavity block of the embodiment of the present utility model;

[0033] Figure 8 is the structural schematic diagram of the finished flexible circuit board of the embodiment of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0034] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0035] As Figure 1 , Figure 2 shown, an embodiment of the present invention provides a flexible circuit board bending mechanism, which includes a carrying platform 1, multiple groups of angle components, and a lifting component 5.

[0036] Above the carrying platform 1, multiple groups of angle components arranged compactly with each other are provided. The angle components are composed of a driving component and a folding knife component. The folding knife component is driven by the driving component to generate a downward stamping force, and multiple groups of angle components are driven independently;

[0037] The lifting component 5 is located at the bottom of the carrying platform 1. The bottom of the flexible circuit board is carried by the lifting component 5, and the upper surface of the flexible circuit board is bent by the downward stamping of multiple groups of angle components in sequence.

[0038] As Figure 1 , Figure 3 shown, at this time, a fixed seat 11 is slidably connected to the lower part of the carrying platform 1 through a linear guide rail 101, and a positioning hole 111 is opened on the fixed seat 11 (the positioning hole 111 is processed by slow wire cutting once to ensure its operation accuracy, that is, the processing operation is carried out on the whole fixed seat 11 and formed at one time). Multiple bearing cavity blocks 12 are arranged in the positioning hole 111 (as Figure 7 shown). The outer periphery of the flexible circuit board is wrapped by the bearing cavity blocks 12. That is, at this time, multiple bearing cavity blocks 12 are provided according to the routing of the flexible circuit board (its outer shape can also be customized according to the routing of the flexible circuit board, or multiple forms of multiple bearing cavity blocks 12 jointly form the wrapping shape), and at the same time, the relative position can be adjusted to adapt to flexible circuit boards of different types and sizes. The relative position offset of the carrying platform 1 above and the fixed seat 11 in the horizontal direction is controlled through the linear guide rail 101.

[0039] In order to ensure the operation accuracy, an equal-height block 102 is arranged above the linear guide rail 101. The parallelism of the upper surface of the carrying platform 1 is realized through the equal-height block 102, so as to ensure the parallelism between the carrying platform 1 and the fixed seat 11.

[0040] To ensure the positional accuracy in the vertical direction between the bearing platform 1 and the fixed seat 11 (i.e., not affected by the offset during stamping), the fixed seat 11 and the bearing platform 1 are limited in the vertical direction through a positioning and cushioning member 13 in the vertical direction. The positioning and cushioning member 13 is of a columnar structure, which can ensure that the fixed seat 11 and the bearing platform 1 will not have relative displacement in the horizontal direction during stamping.

[0041] And a first angle component 2, a second angle component 3, and a third angle component 4 are arranged above the bearing platform 1, and the three angle components are independently controlled.

[0042] As Figure 4 shown, a first driving component 21 is installed on the upper part where the first angle component 2 is located, and a first folding knife 22 is arranged on the lower part. The first folding knife 22 is used to press and bend the flexible circuit board carried below; and at this time, the first angle component 2 forms an inclined angle with the vertical axis direction, and the pressing and bending are formed in the direction of the inclined angle. The first driving component 21 located on the first angle component 2 is connected to the groove on the end face of the first folding knife 22 through a first cylindrical threaded step member 23. This connection relationship can effectively convert the power of the first driving component 21 in the vertical direction into the inclined direction.

[0043] As Figure 5 shown, a second driving component 31 is installed on the upper part where the second angle component 3 is located, and a second folding knife 32 is arranged on the lower part. The second folding knife 23 is used to press and bend the flexible circuit board carried below;

[0044] A second driving component 41 is installed on the upper part where the third angle component 4 is located, and a third folding knife 42 is arranged on the lower part. The third folding knife 42 is used to press and bend the flexible circuit board carried below;

[0045] The jacking component 5 is located at the bottom of the bearing platform 1. The bottom of the flexible circuit board is carried by the jacking component 5, and then the flexible circuit board carried is stamped and bent by the first angle component 2, the second angle component 3, and the third angle component 4 in sequence.

[0046] Limit protrusions 201 are arranged on the rear end faces where the first folding knife 22, the second folding knife 32, and the third folding knife 42 are located. This method can play a role in limiting within the stroke range of the driving component, and prevent the first folding knife 22, the second folding knife 32, and the third folding knife 42 from over-extruding the flexible circuit board beyond the stroke range.

[0047] As Figure 6As shown, the top where the jacking assembly 5 is located is composed of an angled cavity block 51 connected thereto, and the bottom of the angled cavity block 51 is connected to the groove at the output end of the jacking assembly 5 through a second cylindrical threaded step member 52. The jacking of the angled cavity block 51 of the jacking assembly 5 is realized through the output of the jacking assembly 5, so as to realize the support of the bottom of the flexible circuit board by the angled cavity block 51.

[0048] That is, in the actual use process, first place the flexible circuit board in the positioning hole 111 of the fixed seat 11, and under the driving action of the linear guide 101, close the mold at the position of the positioning hole 111 where the bearing platform 1 and the fixed seat 11 are located. Subsequently, drive the folding knives on the first angle assembly 2, the second angle assembly 3, and the third angle assembly 4 in sequence to form a pressing operation on the flexible circuit board located at the position of the positioning hole 111. After several seconds, the second folding knife 32, the third folding knife 42, and the first folding knife 22 are reset in sequence, and the flexible circuit board is taken out, completing the bending process of the flexible circuit board.

[0049] The entire device can synchronously realize three kinds of stamping, pressing, and bending operations (i.e., stamping and bending processes from three directions) at one station. Within the space-saving range, it can also effectively improve the bending efficiency and obtain the final product part ( Figure 8 as shown).

[0050] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. A flexible circuit board bending mechanism, comprising a bearing platform (1), a plurality of angle components and a lifting component (5), characterized in that: A plurality of groups of angle components arranged compactly with each other are arranged above the carrying platform (1), wherein the angle components are composed of a driving component and a folding knife component, and the folding knife component is driven downward by the driving component to produce a punch, and the plurality of groups of angle components are driven independently; The lifting component (5) is located at the bottom of the bearing platform (1), and the bottom bearing of the flexible circuit board is formed by the lifting component (5), and the upper surface of the flexible circuit board is bent by the downward stamping of multiple groups of the angle components in sequence.

2. The flexible circuit board bending mechanism according to claim 1, characterized in that: The angle assembly at least comprises a first angle assembly (2), a second angle assembly (3), and a third angle assembly (4); a first driving assembly (21) is arranged on the upper part of the first angle assembly (2), and a first folding knife (22) is arranged on the lower part; the first driving assembly (21) drives the first folding knife (22) to press and bend the flexible circuit board carried below; A second driving component (31) is arranged at the upper part of the second angle component (3), and a second folding knife (32) is arranged at the lower part, and the second driving component (31) drives the second folding knife (32) to press and bend the flexible circuit board carried below; A third driving assembly (41) is arranged at the upper part of the third angle assembly (4), and a third folding knife (42) is arranged at the lower part. The third driving assembly (41) drives the third folding knife (42) to press and bend the flexible circuit board carried below.

3. The flexible circuit board bending mechanism according to claim 2, characterized in that: The first angle component (2) forms an inclined angle with the vertical axis direction.

4. The flexible circuit board bending mechanism according to claim 3, characterized in that: The first driving assembly (21) located in the first angle assembly (2) is connected to the groove on the end surface of the first folding knife (22) via a first cylindrical threaded step member (23).

5. The flexible circuit board bending mechanism according to claim 2, characterized in that: A limiting protrusion (201) is provided on the rear end surface where the first folding knife (22), the second folding knife (32) and the third folding knife (42) are located.

6. The flexible circuit board bending mechanism according to claim 2, characterized in that: A fixing seat (11) is slidably connected to the lower portion of the bearing platform (1) via a linear guide rail (101), and a positioning hole (111) is provided on the fixing seat (11), and a plurality of bearing cavity blocks (12) are arranged in the positioning hole (111), and the outer periphery of the flexible circuit board is wrapped and limited by the bearing cavity blocks (12); The relative movement of the carrying platform (1) drives the multiple groups of angle components located above to move synchronously.

7. The flexible circuit board bending mechanism according to claim 6, characterized in that: A level block (102) is arranged above the linear guide rail (101), and the level of the upper surface of the carrying platform (1) located above is achieved by means of the level block (102).

8. The flexible circuit board bending mechanism according to claim 6, characterized in that: The fixing seat (11) and the bearing platform (1) are limited in the vertical direction by a positioning buffer (13).

9. The flexible circuit board bending mechanism according to claim 1, characterized in that: The top of the jacking component (5) is provided with a connected angled cavity block (51), and the bottom of the angled cavity block (51) is connected to the groove at the output end of the jacking component (5) through a second cylindrical threaded step member (52). The jacking of the angled cavity block (51) of the jacking component (5) is achieved through the output of the jacking component (5), so that the angled cavity block (51) forms a support for the bottom of the flexible circuit board.

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