Vacuum fixing device for flexible circuit board

Abstract

The utility model discloses a vacuum fixing device for a flexible circuit board, which comprises a first panel, a second panel, a plugging piece and a vacuum making assembly, a vacuum area is formed by the plugging piece, the first panel and the second panel, and the vacuum making assembly comprises a first vacuum regulating valve, a second vacuum regulating valve, a vacuum generator and a plurality of output ends. According to the utility model, the first panel, the second panel and the plugging piece are arranged to form the vacuum area for placing the flexible circuit board, and then the first vacuum regulating valve and the second vacuum regulating valve of the vacuum assembly are communicated with the output interface of the vacuum generator; and the output end is communicated with the input interface of the vacuum generator, so that the vacuum degrees of different positions in the vacuum area can be adjusted through the first vacuum adjusting valve and the second vacuum adjusting valve, the flexible circuit board with different deformation degrees can be adapted, and the purposes of quick positioning and no damage to the flexible circuit board are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to manufacturing equipment technical field, specifically, relate to a kind of for flexible circuit board vacuum fixing device. BACKGROUND

[0002] Flexible Printed Circuit Board (Flexible Printed Circuit Board) is called "soft board" in industry, and is called FPC, is made of flexible insulating substrate (mainly polyimide or polyester film) printed circuit board, has many advantages that hard printed circuit board does not have. For example, it can be freely curved, wound, folded. Using FPC can greatly reduce the volume of electronic products, meet the needs of electronic products to high density, miniaturization, high reliability. Therefore, FPC has been widely used in aerospace, military, mobile communication, laptop, computer peripherals, PDA, digital camera and other fields or products.

[0003] Therefore, due to the flexible circuit board easy to bend characteristics, it is easy to produce deformation in production and manufacturing, and how to ensure that the flexible circuit board with different deformation degree is quickly positioned in the corresponding tooling fixture without damaging the flexible circuit board, becomes a technical problem to be solved. UTILITY MODEL CONTENT

[0004] In order to solve the above problems, the utility model provides a kind of for flexible circuit board vacuum fixing device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of for flexible circuit board vacuum fixing device, comprising: first panel, second panel, plugging piece and vacuum component;

[0006] The first panel is located above the second panel, the first panel is provided with air passage area, and the air passage area comprises at least a plurality of small holes arranged in dense and uniform distribution;

[0007] A plurality of second panel is provided with a plurality of vacuum holes, and the plurality of vacuum holes is uniformly distributed on the second panel, the plugging piece is arranged between the second panel and the first panel, and is arranged around the plurality of vacuum holes, so that the plugging piece and the first panel and the second panel form a vacuum area,

[0008] The vacuum control component is located below the second panel, and includes a first vacuum regulating valve, a second vacuum regulating valve, a vacuum generator, and multiple output ends. The multiple output ends are connected one-to-one with the multiple vacuum holes, and the multiple output ends are respectively connected with the two input interfaces of the vacuum generator. The input interface of the first vacuum regulating valve and the input interface of the second vacuum regulating valve are respectively connected with the two output interfaces of the vacuum generator, and the output interface of the first vacuum regulating valve and the output interface of the second vacuum regulating valve are connected to the atmosphere.

[0009] Beneficial effects:

[0010] First, the utility model forms a vacuum area for placing a flexible circuit board by setting a first panel, a second panel and a sealing member, and then connects the first vacuum regulating valve and the second vacuum regulating valve of the vacuum assembly with the output interface of the vacuum generator. Since the vacuum holes are connected with the output end, and the output end is connected with the input interface of the vacuum generator, the vacuum degree at different positions in the vacuum area can be adjusted by the first vacuum regulating valve and the second vacuum regulating valve, that is, different suction forces are brought to positions with different degrees of deformation on the flexible circuit board, which can adapt to flexible circuit boards with different degrees of deformation, and achieve the purpose of rapid positioning without damaging the flexible circuit board.

[0011] Furthermore, the output end includes at least a first output end, a second output end, a third output end and a fourth output end;

[0012] The first output end and the second output end and the third output end and the fourth output end are located on the left and right sides respectively, so that the vacuum holes connected to the output ends are evenly distributed on the left and right sides.

[0013] Furthermore, the vacuum control component also includes a three-way joint, which includes at least a first three-way joint and a second three-way joint, the first input interface of the first three-way joint is connected to the first output end, the second input interface of the first three-way joint is connected to the second output end, the output interface of the first three-way joint is connected to the first input interface of the vacuum generator, the first input interface of the second three-way joint is connected to the third output end, the second input interface of the second three-way joint is connected to the fourth output end, and the output interface of the second three-way joint is connected to the second input interface of the vacuum generator.

[0014] Furthermore, the vacuum control component has an outer shape of a frame shell, and the side wall of the frame shell is also provided with an output port, which is connected to the output interface of the first vacuum regulating valve and the output interface of the second vacuum regulating valve, so that the output interface of the first vacuum regulating valve and the output interface of the second vacuum regulating valve are connected to the atmosphere.

[0015] Furthermore, the three-way joint, the vacuum generator and the output end are located on the inner top plate of the frame shell of the vacuum assembly, the inner top plate of the frame shell and the second panel are stacked, and the second panel is located above the inner top plate of the frame shell.

[0016] Furthermore, the first vacuum regulating valve and the second vacuum regulating valve are disposed on the side wall of the frame shell, and the regulating positions of the first vacuum regulating valve and the second vacuum regulating valve are exposed on the outside of the frame shell.

[0017] Furthermore, the blocking member is a sponge strip, and the sponge strip is arranged around the plurality of vacuum holes.

[0018] Furthermore, the ventilation area on the first panel is further provided with a plurality of detection holes, and the area of ​​the detection holes is larger than that of the small holes.

[0019] Furthermore, the plurality of detection holes are spaced apart from each other to be doped into the plurality of small holes, and the number of the detection holes is smaller than the number of the small holes.

[0020] Furthermore, guide posts are provided around the second panel, and the limiting portion of the guide posts is located above the first panel to limit the up and down movement range of the second panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0022] Figure 1 This is a schematic structural diagram of a vacuum fixing device for a flexible circuit board provided by the present invention;

[0023] Figure 2 for Figure 1 A schematic diagram of the structure of the flexible circuit board vacuum fixing device from another perspective;

[0024] Figure 3 for Figure 1 A schematic diagram of the structure of the flexible circuit board vacuum fixing device from another perspective;

[0025] Figure 4 for Figure 1 Enlarged view of point A in the middle;

[0026] Figure 5 This is a schematic diagram of the air circuit connection of a vacuum fixing device for a flexible circuit board provided by the utility model.

[0027] In the figure: 1, first panel; 11, ventilation area; 111, small hole; 112, detection hole; 2, vacuum making assembly; 21, output port; 22, first vacuum regulating valve; 23, second vacuum regulating valve; 24, tee joint; 241, first tee joint; 242, second tee joint; 25, vacuum generator; 26, output end; 261, first output end; 262, second output end; 263, third output end; 264, fourth output end; 3, second panel; 31, vacuum hole; 4, plugging member; 51, first air pipe; 52, second air pipe; 53, third air pipe; 54, fourth air pipe; 55, fifth air pipe; 56, sixth air pipe; 57, seventh air pipe; 58, eighth air pipe; 59, ninth air pipe. DETAILED DESCRIPTION

[0028] In order to make the above objectives, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application are described in detail below with reference to the accompanying drawings. It can be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application. In addition, it should be noted that, for the purpose of description, only the parts related to the present application are shown in the drawings, but not all the structures. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0029] In this document, reference to“an embodiment” means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase“in an embodiment” in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. Those skilled in the art will understand that the embodiments described herein are merely examples of the application and are not the only way in which the application can be practiced.

[0030] In the description of the application, the terms“first”,“second” are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by“first”,“second” can explicitly or implicitly include one or more of the features. In the description of the application, the meaning of“a plurality of” is two or more, unless otherwise specifically limited.

[0031] In the present specification, unless specifically stated and limited otherwise, the first feature is "on" or "under" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "over" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the first feature is higher in horizontal height than the second feature. The first feature "under", "below" and "under" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the first feature is lower in horizontal height than the second feature.

[0032] In the description of the present application, it should be noted that, unless specifically stated and limited otherwise, the terms "mounting", "connecting", "connection" should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or integrally connected, can be mechanically connected, or electrically connected or can communicate with each other, can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] As shown in Figures 1-5 The utility model provides a kind of vacuum fixing device for flexible circuit board, comprising: first panel 1, second panel 3, plugging piece 4 and vacuum making component 2;

[0034] The first panel 1 is located above the second panel 3, the first panel 1 is provided with ventilation area 11, and the ventilation area 11 at least includes a plurality of small holes 111 arranged in dense and uniform distribution;

[0035] A plurality of the second panel 3 is provided with a plurality of vacuum holes 31, which are uniformly distributed on the second panel 3, the plugging piece 4 is arranged between the second panel 3 and the first panel 1, and surrounds the plurality of vacuum holes 31, so that the plugging piece 4, the first panel 1 and the second panel 3 form a vacuum area,

[0036] The vacuum making component 2 is located below the second panel 3, and the vacuum making component 2 includes a first vacuum regulating valve 22, a second vacuum regulating valve 23, a vacuum generator 25 and a plurality of output ends 26, the plurality of output ends 26 are arranged in one-to-one communication with the plurality of vacuum holes 31, the plurality of output ends 26 are respectively connected in communication with two input interfaces of the vacuum generator 25, the input interface of the first vacuum regulating valve 22 and the input interface of the second vacuum regulating valve 23 are respectively connected in communication with two output interfaces of the vacuum generator 25, and the output interface of the first vacuum regulating valve 22 and the output interface of the second vacuum regulating valve 23 are connected in communication with the atmosphere.

[0037] The first panel 1, the second panel 3 and the blocking piece 4 are arranged to form a vacuum area for placing the flexible circuit board, and the first vacuum regulating valve 22 and the second vacuum regulating valve 23 of the vacuum making assembly 2 are connected with the output interface of the vacuum generator 25. Since the vacuum holes 31 are connected with the output end 26, and the output end 26 is connected with the input interface of the vacuum generator 25, the vacuum degrees at different positions in the vacuum area can be adjusted through the first vacuum regulating valve 22 and the second vacuum regulating valve 23, that is, different suction forces caused by different deformation degrees of the flexible circuit board can be adapted to the flexible circuit board with different deformation degrees, so that the flexible circuit board can be quickly positioned without being damaged.

[0038] Specifically, the plurality of output ends 26 are connected with the two input interfaces of the vacuum generator 25 through the hoses, and the input interfaces of the first vacuum regulating valve 22 and the second vacuum regulating valve 23 are connected with the two output interfaces of the vacuum generator 25 through the hoses, so that the pipes can be conveniently placed.

[0039] Preferably, as shown in the drawings, the output end 26 at least includes a first output end 261, a second output end 262, a third output end 263 and a fourth output end 264. Figure 3

[0040] The first output end 261 and the second output end 262 are located on the left side, and the third output end 263 and the fourth output end 264 are located on the right side, so that the vacuum holes 31 connected with the output end 26 are uniformly distributed on the left and right sides.

[0041] In the embodiment, since the first output end 261 and the second output end 262 are located on the left side, and the third output end 263 and the fourth output end 264 are located on the right side, the flexible circuit boards with different deformation degrees on the two sides can be quickly positioned without being damaged.

[0042] Preferably, the vacuum making assembly 2 further includes a three-way joint 24, the three-way joint 24 at least includes a first three-way joint 241 and a second three-way joint 242, the first input interface of the first three-way joint 241 is connected with the first output end 261, the second input interface of the first three-way joint 241 is connected with the second output end 262, the output interface of the first three-way joint 241 is connected with the first input interface of the vacuum generator 25, the first input interface of the second three-way joint 242 is connected with the third output end 263, the second input interface of the second three-way joint 242 is connected with the fourth output end 264, and the output interface of the second three-way joint 242 is connected with the second input interface of the vacuum generator 25. ​

[0043] In an embodiment, as shown in Figure 5 the input interface of the first vacuum regulating valve 22 is communicated with the first output interface of the vacuum generator 25 through a second air pipe 52, the input interface of the second vacuum regulating valve 23 is communicated with the second output interface of the vacuum generator 25 through a third air pipe 53, the first input interface of the vacuum generator 25 is communicated with the output interface of the first three-way joint 241 through a fourth air pipe 52, the first input interface of the first three-way joint 241 is communicated with the first output end 261 through a sixth air pipe 56, the second input interface of the first three-way joint 241 is communicated with the second output end 262 through a seventh air pipe 57, the second input interface of the vacuum generator 25 is communicated with the output interface of the second three-way joint 242 through a fifth air pipe 55, the first input interface of the second three-way joint 242 is communicated with the third output end 263 through an eighth air pipe 58, and the second input interface of the second three-way joint 242 is communicated with the fourth output end 264 through a ninth air pipe 58, so as to realize the communication of the whole air path.

[0044] Preferably, the second air pipe 52, the third air pipe 53, the fourth air pipe 54, the fifth air pipe 55, the sixth air pipe 56, the seventh air pipe 57, the eighth air pipe 58 and the ninth air pipe 59 are soft pipes, so as to facilitate the arrangement of the bottom air pipes.

[0045] Preferably, the outer shape of the vacuum generating assembly 2 is a frame shell, and the side wall of the frame shell is further provided with an output port 21, which is communicated with the output interfaces of the first vacuum regulating valve 22 and the second vacuum regulating valve 23, so as to communicate the output interfaces of the first vacuum regulating valve 22 and the second vacuum regulating valve 23 with the atmosphere.

[0046] In an embodiment, the output port 21 is communicated with the output interfaces of the first vacuum regulating valve 22 and the second vacuum regulating valve 23 through a first air pipe 51, and the first air pipe 51 is a three-way pipe.

[0047] Preferably, in order to facilitate the spatial placement of parts, the three-way joint 24, the vacuum generator 25 and the output end 26 are located on the internal top plate of the frame shell of the vacuum generating assembly 2, the internal top plate of the frame shell is stacked with the second panel 3, and the second panel 3 is located above the internal top plate of the frame shell.

[0048] Preferably, to facilitate the user to adjust the first vacuum regulating valve 22 and the second vacuum regulating valve 23, the first vacuum regulating valve 22 and the second vacuum regulating valve 23 are arranged on the side wall of the frame shell, and the adjusting parts of the first vacuum regulating valve 22 and the second vacuum regulating valve 23 are exposed outside the frame shell.

[0049] Preferably, as shown in Figure 2 Preferably, the blocking member 4 is a sponge strip, which is arranged around the plurality of vacuum holes 31. In this embodiment, the blocking member 4 is a sponge strip, and when the vacuum assembly 2 is in operation, the first panel 1 moves downward, thereby further ensuring the sealing degree of the blocking member 4 and the first panel 1 and the second panel 3.

[0050] Preferably, as shown in Figure 1 and Figure 4 Preferably, the air passage area 11 of the first panel 1 is further provided with a plurality of detection holes 112, and the area of the detection hole 112 is greater than that of the small hole 111. The detection hole 112 can facilitate the test probe to accurately contact the flexible circuit board, thereby fully detecting the deformation degree of the flexible circuit board.

[0051] Preferably, to improve the accuracy of detection, the plurality of detection holes 112 are arranged at intervals, and the number of the detection holes 112 is less than that of the small holes 111.

[0052] Preferably, the second panel 3 is further provided with guide columns 32, and the limiting part of the guide column 32 is located above the first panel 1, so as to limit the up-down movement range of the second panel 1.

[0053] It should be noted that the terms "horizontal", "vertical" and the like do not mean that the components must be absolutely horizontal or vertical, but can be slightly inclined; the terms "parallel", "perpendicular" and the like also do not mean that the fittings must be absolutely parallel or perpendicular, but can form a certain angular deviation. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined. In addition, the directions or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships in which the products of the present application are usually placed during use, which are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not mean or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0054] It is to be understood that the term "a plurality" herein means at least two, for example, two, three, etc., unless specifically limited otherwise. In addition, the terms "comprising", "having", "including", and "containing" are to be construed as open-ended terms (i.e., meaning "including, but not limited to,") unless specifically indicated to the contrary. For example, a process, method, system, product, or apparatus that comprises a list of steps or elements is not necessarily limited to only those steps or elements but can include other steps or elements not expressly listed or inherent to such process, method, system, product, or apparatus. Further, use of the terms "and / or", "at least one of", and "one or more of", includes any and all combinations of one or more of the associated listed items. In addition, the term "coupled" is used herein to express either an indirect or direct connection between elements. The term "coupled" can include, for example, a connection in which one element interacts with another element, whether or not they are in physical contact. In addition, the term "coupled" can include a connection in which one element shares at least one property with another element, whether or not they are in physical contact.

[0055] The above description is merely illustrative of the application, and not restrictive. The scope of the application should be determined by the appended claims, along with their full scope of equivalents, rather than by the description of which this overview is derived.

Claims

1. A vacuum fixing device for a flexible wiring board, characterized by comprising: The utility model relates to a kind of vacuum packaging machine, including: First panel (1), second panel (3), obturator (4) and vacuum making assembly (2); The first panel (1) is located above the second panel (3), and the first panel (1) is provided with a ventilation area (11), and the ventilation area (11) at least includes a plurality of small holes (111) arranged in dense and uniform distribution; A plurality of the second panel (3) is provided with a plurality of vacuum holes (31), and the plurality of vacuum holes (31) is uniformly distributed on the second panel (3), and the obturator (4) is arranged between the second panel (3) and the first panel (1), and is arranged around the plurality of vacuum holes (31), so that the obturator (4) and the first panel (1) and the second panel (3) form a vacuum area, The vacuum making assembly (2) is located below the second panel (3), and the vacuum making assembly (2) includes a first vacuum regulating valve (22), a second vacuum regulating valve (23), a vacuum generator (25) and a plurality of output ends (26), the plurality of output ends (26) are communicated with the plurality of vacuum holes (31) one by one, the plurality of output ends (26) are respectively communicated with two input interfaces of the vacuum generator (25), the input interface of the first vacuum regulating valve (22) and the input interface of the second vacuum regulating valve (23) are respectively communicated with two output interfaces of the vacuum generator (25), and the output interface of the first vacuum regulating valve (22) and the output interface of the second vacuum regulating valve (23) are communicated with atmosphere.

2. The vacuum fixing apparatus for a flexible wiring board according to claim 1, wherein The output end (26) at least includes a first output end (261), a second output end (262), a third output end (263) and a fourth output end (264); The first output end (261) and the second output end (262) are respectively located on the left and right sides of the third output end (263) and the fourth output end (264), so that the vacuum holes (31) communicated with the output end (26) are uniformly distributed on the left and right sides.

3. The vacuum fixing apparatus for a flexible wiring board according to claim 2, wherein The vacuum making assembly (2) further includes a tee joint (24), and the tee joint (24) at least includes a first tee joint (241) and a second tee joint (242), a first input interface of the first tee joint (241) is communicated with the first output end (261), a second input interface of the first tee joint (241) is communicated with the second output end (262), an output interface of the first tee joint (241) is communicated with a first input interface of the vacuum generator (25), a first input interface of the second tee joint (242) is communicated with the third output end (263), a second input interface of the second tee joint (242) is communicated with the fourth output end (264), and an output interface of the second tee joint (242) is communicated with a second input interface of the vacuum generator (25).

4. The vacuum fixing apparatus for a flexible wiring board according to claim 3, wherein The outer shape of the vacuum generating assembly (2) is a frame shell, the side wall of the frame shell is further provided with an output port (21), the output port (21) is in communication with the output interfaces of the first vacuum regulating valve (22) and the second vacuum regulating valve (23), so that the output interfaces of the first vacuum regulating valve (22) and the second vacuum regulating valve (23) are in communication with the atmosphere.

5. The vacuum fixing apparatus for a flexible wiring board according to claim 4, wherein The tee joint (24), the vacuum generator (25) and the output end (26) are located on the inner top plate of the frame shell of the vacuum generating assembly (2), the inner top plate of the frame shell is stacked with the second panel (3), and the second panel (3) is located above the inner top plate of the frame shell.

6. The vacuum fixing apparatus for a flexible wiring board according to claim 4, wherein The first vacuum regulating valve (22) and the second vacuum regulating valve (23) are arranged on the side wall of the frame shell, and the regulating parts of the first vacuum regulating valve (22) and the second vacuum regulating valve (23) are exposed to the outside of the frame shell.

7. The vacuum fixing apparatus for a flexible wiring board according to claim 1, wherein The blocking piece (4) is a sponge strip, and the sponge strip is arranged around the plurality of vacuum holes (31).

8. The vacuum fixing apparatus for a flexible wiring board according to claim 1, wherein The ventilation area (11) on the first panel (1) is further provided with a plurality of detection holes (112), and the area of the detection hole (112) is greater than that of the small hole (111).

9. The vacuum fixing apparatus for a flexible wiring board according to claim 8, wherein The plurality of detection holes (112) are arranged at intervals, and are mixed with the plurality of small holes (111), and the number of the detection holes (112) is less than that of the small holes (111).

10. The vacuum fixing apparatus for a flexible wiring board according to claim 1, wherein The second panel (3) is further provided with guide columns (32) around, and the limiting part of the guide column (32) is located above the first panel (1), so as to limit the up-down movement range of the second panel (3).

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