A flexible printed circuit board bending, laminating and pressure-maintaining structure and use method
By designing automatic bending and pressure-keeping structures, using components such as rotating shafts, positioning parts and transmission lead screws, the problems of low efficiency and poor accuracy during bending and lamination of flexible printed circuit boards are solved, and automatic efficient bending is achieved and maintain pressure, improving production efficiency and yield.
Patent Information
- Application Number
- CN202411476174.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-22
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2044-10-22
AI Technical Summary
In the prior art, the bending and bonding process of flexible printed circuit boards is low and there is a lot of manual intervention, resulting in inconsistent bending effects, poor fitting accuracy, easy pressure holding, and low yield.
Design a structure including a base, bending unit and pressure holding unit, automatically bending and pressure holding through components such as rotating shaft, positioning parts, power units and cylinders, precise control is performed using the transmission screw and pressure head, combined with the inspection sensor Ensure location accuracy.
It realizes automatic bending, fit and pressure maintenance without manual intervention, improves work efficiency, ensures consistency of bending effect and accuracy of fitting position, reduces the risk of pressure maintenance and pressure shedding, and improves Productivity yield.
Smart Images

Figure CN118984538B_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of bending of flexible printed circuit boards, and in particular relates to a bending, laminating and pressure-maintaining structure of a flexible printed circuit board and a use method thereof. Background Art
[0002] During the production and use of flexible printed circuit boards, it is often necessary to bend and bond the flexible printed circuit boards. In the prior art, in order to complete this task, manual bending is often used one by one, and then bonding is performed, and finally manual pressing and pressure maintenance are performed. Obviously, the practices in the prior art not only increase the labor intensity of workers, but also have problems such as low efficiency and low output. In addition, there are also problems such as poor consistency of bending effects, poor bonding position accuracy, falling off during pressure maintenance, and substandard yield due to manual operation. For this reason, how to improve production efficiency and yield and reduce manual intervention has become a problem that urgently needs to be solved. Summary of the invention
[0003] In view of the above problems, the present invention proposes a flexible printed circuit board bending, laminating and pressure-maintaining structure and a method of use, which can automatically bend, laminarize and maintain pressure without manual intervention, saving time and labor and greatly improving work efficiency.
[0004] In order to achieve the above technical objectives and the above technical effects, the present invention is implemented through the following technical solutions:
[0005] In a first aspect, the present invention provides a flexible printed circuit board bending, laminating and pressure-maintaining structure, comprising:
[0006] A base, used for placing the flexible printed circuit board to be bent;
[0007] A bending unit, disposed on the base, for bending the end of the flexible printed circuit board to be bent to form a bent end;
[0008] The pressure-maintaining unit is arranged on the base and can slide along the base to press the bent end.
[0009] In combination with the first aspect, optionally, the bending unit includes:
[0010] A rotating shaft connected to the base;
[0011] A first positioning member, connected to the rotating shaft, for roughly positioning the flexible printed circuit board to be bent;
[0012] A second positioning member, connected to the rotating shaft, for clamping and precisely positioning the flexible printed circuit board to be bent;
[0013] A first power unit connected to the base;
[0014] A driving wheel connected to the power output shaft of the first power unit;
[0015] The driven wheel is connected to the driving wheel through a belt and is connected to the rotating shaft to drive the rotating shaft to rotate.
[0016] In combination with the first aspect, optionally, a U-shaped notch is provided on the first positioning member, and when the flexible printed circuit board to be bent is placed on the base, its end is located in the U-shaped notch.
[0017] In combination with the first aspect, optionally, the second positioning member includes:
[0018] The clamping jaws are arranged opposite to each other, and the gap between the clamping jaws is used to accommodate the end of the flexible printed circuit board to be bent;
[0019] A first cylinder, which is connected to the clamping claw and is used to clamp and precisely position the flexible printed circuit board to be bent;
[0020] When the rotating shaft is not rotating, the first positioning member and the flexible printed circuit board to be bent are in the same horizontal plane, and the second positioning member is located below the flexible printed circuit board to be bent;
[0021] When the rotating shaft rotates, the second positioning member cooperates with the first positioning member to bend the end of the flexible printed circuit board to be bent;
[0022] When the rotating shaft rotates 180 degrees, the second positioning member is located above the flexible printed circuit board to be bent.
[0023] In combination with the first aspect, optionally, the pressure maintaining unit includes:
[0024] A second power unit connected to the base;
[0025] A transmission screw is arranged on the base, its extension direction is consistent with the extension direction of the flexible printed circuit board to be bent, and its power input end is connected to the power output end of the second power unit;
[0026] A pressing plate, the extension direction of which is perpendicular to the extension direction of the flexible printed circuit board to be bent, and the pressing plate is provided with a pressing head for pressing the bent end;
[0027] The second cylinder has one end connected to the pressing plate and the other end connected to the driving lead screw, and is used to drive the pressing plate to move toward the flexible printed circuit board to be bent which is arranged on the base.
[0028] In combination with the first aspect, optionally, the pressure head is made of a flexible material.
[0029] In combination with the first aspect, optionally, the base includes:
[0030] A bottom plate, on which the second power unit and the transmission screw are both arranged;
[0031] The support seat is arranged above the base plate, and comprises a support plate and legs vertically connected to the support plate; the rotating shaft is arranged on the support plate; the support plate is also used to place the flexible printed circuit board to be bent; the legs are also vertically connected to the base plate.
[0032] In combination with the first aspect, optionally, the flexible printed circuit board bending, fitting and pressure holding structure also includes a flexible printed circuit board inspection sensor, which is used to monitor whether there is a flexible printed circuit board to be bent on the base; when it is detected that there is a flexible printed circuit board to be bent on the base, the bending unit and the pressure holding unit are started in sequence.
[0033] In combination with the first aspect, optionally, the flexible printed circuit board bending, fitting and pressure maintaining structure also includes a bending position detection sensor, which is arranged on the base and is used to provide real-time feedback on the placement position of the flexible printed circuit board to be bent and the position of the bending end; when it is monitored that the placement position of the flexible printed circuit board to be bent meets the preset requirements, the bending unit is started; when it is monitored that the position of the bending end meets the preset requirements, the pressure maintaining unit is started.
[0034] In a second aspect, a method for using the bending, laminating and pressure-maintaining structure of a flexible printed circuit board according to any one of the first aspects comprises:
[0035] Place the flexible printed circuit board to be bent on the base;
[0036] Using a bending unit to bend the end of the flexible printed circuit board to form a bent end;
[0037] The pressure-maintaining unit is driven to move above the bent end portion, and then the bent end portion is pressed by the pressure-maintaining unit.
[0038] Compared with the prior art, the present invention has the following beneficial effects:
[0039] The invention discloses a flexible printed circuit board bending, laminating and pressure-maintaining structure, which can automatically bend, laminat and maintain pressure without manual intervention, thus saving time and labor and greatly improving work efficiency.
[0040] Furthermore, in the present invention, the flexible printed circuit board to be bent is roughly positioned and precisely positioned respectively by a first positioning member and a second positioning member, wherein the second positioning member includes relatively arranged clamping jaws and a first cylinder connected to the clamping jaws. By setting parameters of the first cylinder, the flexible printed circuit board bending, fitting and pressure-maintaining structure in the present invention can adapt to flexible printed circuit boards of various specifications.
[0041] Furthermore, in the present invention, parameters of the bending unit and the pressure-holding unit can be set, and the working time and frequency of the bending unit and the pressure-holding unit can be adjusted according to actual needs to meet different usage requirements. BRIEF DESCRIPTION OF THE DRAWINGS
[0042] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative labor, among which:
[0043] Figure 1 It is a schematic diagram of the overall structure of a bending, laminating and pressure-maintaining structure of a flexible printed circuit board according to an embodiment of the present invention;
[0044] Figure 2 A top view of a bending, laminating and pressure-maintaining structure of a flexible printed circuit board according to an embodiment of the present invention;
[0045] Figure 3 This is one of the schematic diagrams of the use of the bending, laminating and pressure-maintaining structure of a flexible printed circuit board according to an embodiment of the present invention;
[0046] Figure 4 This is a second schematic diagram of the use of the bending, laminating and pressure-maintaining structure of a flexible printed circuit board according to an embodiment of the present invention;
[0047] Figure 5 A schematic diagram of the structure of a flexible printed circuit board to be bent according to an embodiment of the present invention;
[0048] Figure 6 A schematic structural diagram of a first positioning member and a second positioning member according to an embodiment of the present invention;
[0049] In the figure:
[0050] 101-first power unit; 102-belt; 103-driven wheel; 104-first positioning member; 105-second positioning member; 1051-clamping jaw; 106-flexible printed circuit board inspection sensor; 107-bending position inspection sensor; 108-second power unit; 109-second cylinder; 110-transmission screw; 111-pressure head; 112-flexible printed circuit board; 113-pressure plate; 114-driving wheel; 115-vertical plate; 116-bottom plate; 117-support seat. DETAILED DESCRIPTION
[0051] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0052] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values of the parts and steps set forth in these embodiments do not limit the scope of the present invention. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to those of ordinary skill in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may also include different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so that once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.
[0053] In the description of the present invention, "several" means more than one, "many" means more than two, "greater than", "less than", "exceed", etc. are understood to exclude the number itself, and "above", "below", "within", etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.
[0054] In the description of the present invention, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.
[0055] The application principle of the present invention is described in detail below in conjunction with the accompanying drawings. Example 1
[0056] like Figure 1-Figure 2As shown, the present invention provides a flexible printed circuit board bending, laminating and pressure-maintaining structure, comprising: a base, a bending unit and a pressure-maintaining unit;
[0057] The base is used to place the flexible printed circuit board 112 to be bent; in the specific implementation process, the end surface of the flexible printed circuit board 112 to be bent is provided with adhesive; the structure of the flexible printed circuit board 112 to be bent is as follows Figure 5 As shown;
[0058] The bending unit is disposed on the base, and is used to bend the end of the flexible printed circuit board 112 to be bent to form a bent end;
[0059] The pressure-maintaining unit is arranged on the base and can slide along the base to press the bent end portion.
[0060] Based on the bending, laminating and pressure-maintaining structure of the flexible printed circuit board in the embodiment of the present invention, it can be automatically bent, laminarized and pressure-maintained without manual intervention, saving time and labor and greatly improving work efficiency.
[0061] In a specific implementation of the embodiment of the present invention, Figure 1-Figure 4 As shown, the bending unit includes: a rotating shaft (not shown in the figure), a first positioning member 104, a second positioning member 105, a first power unit 101, a driving wheel 114 and a driven wheel 103;
[0062] The rotating shaft is connected to the base;
[0063] The first positioning member 104 is connected to the rotating shaft and is used to roughly position the flexible printed circuit board 112 to be bent; in a specific implementation process, the first positioning member 104 can be set as a U-shaped groove structure, and its cross section is U-shaped; in a specific implementation process, the number of the first positioning members 104 is greater than or equal to 1, and when the number of the first positioning members 104 is greater than 1, each first positioning member 104 is sequentially arranged; the arrangement direction of each first positioning member 104 is perpendicular to the extension direction of the flexible printed circuit board 112 to be bent;
[0064] The second positioning member 105 is connected to the rotating shaft and is used to clamp and precisely position the flexible printed circuit board 112 to be bent; in a specific implementation process, the number of the second positioning members 105 is greater than or equal to 1. When the number of the second positioning members 105 is greater than 1, each second positioning member 105 is arranged in sequence, and one second positioning member 105 corresponds to one first positioning member 104;
[0065] The first power unit 101 is connected to the base; in the specific implementation process, the first power unit 101 can be a power motor for providing power;
[0066] The driving wheel 114 is connected to the power output shaft of the first power unit 101;
[0067] The driven wheel 103 is connected to the driving wheel 114 through the belt 102, and is connected to the rotating shaft to drive the rotating shaft to rotate. In the specific implementation process, the number of the first power unit 101, the driving wheel 114 and the driven wheel 103 are all two, which are relatively arranged on both sides of the base, and the two driven wheels 103 are respectively used to be connected to one end of the rotating shaft.
[0068] The flexible printed circuit board 112 to be bent is placed in the first positioning member 104, and the first positioning member 104 performs rough positioning on the flexible printed circuit board 112 to be bent; the second positioning member 105 is used to clamp and finely position the flexible printed circuit board 112 to be bent, and at this time, the first positioning member 104 and the second positioning member 105 are both located below the flexible printed circuit board 112 to be bent, and will not cause any obstruction to the flexible printed circuit board 112 to be bent; when the first power unit 101 is started, it drives the driving wheel 114 to rotate, and under the action of the belt 102, it drives the driven wheel 103 to rotate, and the driven wheel 103 drives the rotating shaft to rotate, so that the first positioning member 104 and the second positioning member 105 rotate with the end of the flexible printed circuit board 112 to be bent, and the automatic bending work is completed. Since the end surface of the flexible printed circuit board 112 to be bent is provided with glue, when the shaft rotates 180 degrees, the end of the flexible printed circuit board 112 to be bent is preliminarily bonded due to the glue to form a bent end.
[0069] In a specific implementation of the embodiment of the present invention, Figure 6 As shown, the second positioning member 105 includes: a clamping jaw 1051 and a first cylinder which are arranged opposite to each other; the first cylinder is connected to the clamping jaw 1051 and is used to clamp and precisely position the flexible printed circuit board 112 to be bent;
[0070] When the rotating shaft is not rotating, the first positioning member 104 and the second positioning member 105 are both located below the flexible printed circuit board 112 to be bent;
[0071] When the rotating shaft rotates, the second positioning member 105 cooperates with the first positioning member 104 to bend the end of the flexible printed circuit board 112 to be bent;
[0072] When the rotating shaft rotates 180 degrees, the second positioning member 105 is located above the flexible printed circuit board 112 to be bent.
[0073] In this solution, the first cylinder and the clamping jaw 1051 cooperate with each other to adapt to flexible printed circuit boards 112 of various specifications.
[0074] In a specific implementation of the embodiment of the present invention, Figure 1-Figure 4 As shown, the pressure-maintaining unit includes: a second power unit 108, a transmission screw 110, a pressure plate 113 and a second cylinder 109;
[0075] The second power unit 108 is connected to the base; in the specific implementation process, the second power unit 108 can be a power motor for providing power;
[0076] The transmission screw 110 is arranged on the base, and its extension direction is consistent with the extension direction of the flexible printed circuit board 112 to be bent, and its power input end is connected to the power output end of the second power unit 108; the structure of the transmission screw 110 is the prior art, so no more details are given in the present invention;
[0077] The extension direction of the pressing plate 113 is perpendicular to the extension direction of the flexible printed circuit board 112 to be bent, and a pressing head 111 for pressing the bent end is provided on the pressing plate 113;
[0078] One end of the second cylinder 109 is connected to the pressing plate 113, and the other end is connected to the driving screw 110. In the specific implementation process, the number of the second cylinders 109 is 2, and the two second cylinders 109 are arranged opposite to each other, one end of each of the second cylinders 109 is respectively connected to the two ends of the pressing plate 113, and the other end of each of the second cylinders 109 is connected to the driving screw 110. When connected to the driving screw 110, the second cylinders 109 can be connected to the driving screw 110 through a connecting plate;
[0079] When the bending action is completed, the first positioning member 104 and the second positioning member 105 release the flexible printed circuit board 112, the first power unit 101 rotates and resets to return to the origin 0° position, the second power unit 108 is started, and power is transmitted to the transmission screw 110, and the transmission screw 110 drives the second cylinder 109 and the pressure plate 113 to move above the bending end, the second cylinder 109 is started, and the second cylinder 109 drives the pressure plate 113 to move toward the bending end, and the pressure head 111 on the pressure plate 113 maintains pressure on the corresponding bending end.
[0080] In a specific implementation of the embodiment of the present invention, the pressure head 111 is made of a flexible material to avoid damage to the flexible printed circuit board 112. In the specific implementation process, the flexible material can be rubber or other materials, which can be selected according to actual conditions.
[0081] In a specific implementation of the embodiment of the present invention, in order to reasonably install the bending unit and the pressure-maintaining unit, the base includes a bottom plate 116 and a support seat 117;
[0082] The second power unit 108 and the transmission screw 110 are both disposed on the bottom plate 116;
[0083] The first power unit 101 is arranged on the bottom plate 116; the driving wheel 114 is connected to the power output shaft of the first power unit 101, and a vertical plate 115 perpendicular to the bottom plate 116 is also arranged, and the driven wheel 103 is arranged on the vertical plate 115; the end of the rotating shaft passes through the vertical plate 115 and is connected to the driven wheel 103;
[0084] The support seat 117 is arranged above the base plate 116, including a support plate and a support leg vertically connected to the support plate; the rotating shaft is arranged on the support plate; the support plate is also used to place the flexible printed circuit board 112 to be bent; the support leg is also vertically connected to the base plate 116.
[0085] In a specific implementation of the embodiment of the present invention, the flexible printed circuit board bending, laminating and pressure-maintaining structure further includes a flexible printed circuit board inspection sensor 106, which is used to monitor whether there is a flexible printed circuit board 112 to be bent on the base; when it is detected that there is a flexible printed circuit board 112 to be bent on the base, the bending unit and the pressure-maintaining unit are started in sequence. In the specific implementation process, the flexible printed circuit board inspection sensor 106 can be an optical fiber sensor.
[0086] In a specific implementation of an embodiment of the present invention, in order to improve the consistency of the bending effect, the accuracy of the fitting position, and the pressure holding will not fall off, the flexible printed circuit board bending, fitting and pressure holding structure also includes a bending position inspection sensor 107, which is arranged on the base and is used to provide real-time feedback on the placement position of the flexible printed circuit board 112 to be bent and the position of the bending end; when it is monitored that the placement position of the flexible printed circuit board 112 to be bent meets the preset requirements, the bending unit is started; when it is monitored that the position of the bending end meets the preset requirements, the pressure holding unit is started. In the specific implementation process, the bending position inspection sensor 107 can use a U-shaped photoelectric sensor.
[0087] Combine the following Figure 1-Figure 4 The working principle of the bending, laminating and pressure-maintaining structure of the flexible printed circuit board in the embodiment of the present invention is described in detail.
[0088] like Figure 1 and Figure 3As shown, the flexible printed circuit board 112 is first placed in the first positioning member 104, and then the second positioning member 105 performs secondary precise positioning on the flexible printed circuit board 112; in the specific implementation process, the number of the first positioning member 104 and the second positioning member 105 can be set as multiple as needed, so that multiple flexible printed circuit boards 112 can be placed at one time; when the number of the first positioning member 104 and the second positioning member 105 is greater than 1, each first positioning member 104 and the second positioning member 105 are arranged in sequence, preferably, adjacent first positioning members 104 and second positioning members 105 are arranged at equal intervals;
[0089] The position of the flexible printed circuit board 112 is detected in real time by using the flexible printed circuit board inspection sensor 106. If the position of the flexible printed circuit board 112 is incorrect, the first power unit 101 is not started; if the position of the flexible printed circuit board 112 is correct, the first power unit 101 is started;
[0090] Start the first power unit 101 to rotate 180°, the power output by the first power unit 101 is transmitted to the driving wheel 114, and then the belt 102 transmits the power to the driven wheel 103, thereby driving the rotating shaft to rotate 180°, and the rotating shaft drives the first positioning member 104, the second positioning member 105 and the flexible printed circuit board 112 clamped by the first positioning member 104 and the second positioning member 105 to rotate 180°. At this point, the flexible printed circuit board 112 has completed bending and bonding to form a bent end.
[0091] like Figure 4 As shown, when the bending action is completed, the first positioning member 104 and the second positioning member 105 release the flexible printed circuit board 112, the first power unit 101 rotates and resets to return to the origin 0° position, the second power unit 108 is started, and power is transmitted to the transmission screw 110, and the transmission screw 110 drives the second cylinder 109 and the pressure plate 113 to move above the bending end, the second cylinder 109 is started, and the second cylinder 109 drives the pressure plate 113 to move toward the bending end, and the pressure head 111 on the pressure plate 113 maintains pressure on the corresponding bending end.
[0092] The bending position check sensor 107 is used to provide real-time feedback on the placement position of the flexible printed circuit board 112 to be bent and the position of the bending end; when it is monitored that the placement position of the flexible printed circuit board 112 to be bent meets the preset requirements, the bending unit is started; when it is monitored that the position of the bending end meets the preset requirements, the pressure holding unit is started to ensure the repeatability and accuracy of each bending and bonding. Example 2
[0093] The present invention provides a method for using the bending, laminating and pressure-maintaining structure of a flexible printed circuit board described in Example 1, comprising:
[0094] Placing the flexible printed circuit board 112 to be bent on the base;
[0095] Using a bending unit to bend the end of the flexible printed circuit board 112 to form a bent end;
[0096] The pressure-maintaining unit is driven to move above the bent end portion, and then the bent end portion is pressed by the pressure-maintaining unit.
[0097] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the protection content of the present invention.
[0098] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.
Claims
1. A flexible printed circuit board bending, laminating and pressure-maintaining structure, characterized in that: include: A base, used for placing the flexible printed circuit board to be bent; A bending unit, disposed on the base, for bending the end of the flexible printed circuit board to be bent to form a bent end; A pressure-maintaining unit, which is disposed on the base and can slide along the base to press the bent end portion; The bending unit comprises: A rotating shaft connected to the base; A first positioning member, connected to the rotating shaft, for roughly positioning the flexible printed circuit board to be bent; A second positioning member, connected to the rotating shaft, for clamping and precisely positioning the flexible printed circuit board to be bent; A first power unit connected to the base; A driving wheel connected to the power output shaft of the first power unit; A driven wheel is connected to the driving wheel through a belt and is connected to the rotating shaft to drive the rotating shaft to rotate; The second positioning member comprises: The clamping jaws are arranged opposite to each other, and the gap between the clamping jaws is used to accommodate the end of the flexible printed circuit board to be bent; A first cylinder, which is connected to the clamping claw and is used to clamp and precisely position the flexible printed circuit board to be bent; When the rotating shaft is not rotating, the first positioning member and the flexible printed circuit board to be bent are in the same horizontal plane, and the second positioning member is located below the flexible printed circuit board to be bent; When the rotating shaft rotates, the second positioning member cooperates with the first positioning member to bend the end of the flexible printed circuit board to be bent; When the rotating shaft rotates 180 degrees, the second positioning member is located above the flexible printed circuit board to be bent; The pressure maintaining unit comprises: A second power unit connected to the base; A transmission screw is arranged on the base, its extension direction is consistent with the extension direction of the flexible printed circuit board to be bent, and its power input end is connected to the power output end of the second power unit; A pressing plate, the extension direction of which is perpendicular to the extension direction of the flexible printed circuit board to be bent, and the pressing plate is provided with a pressing head for pressing the bent end; A second cylinder, one end of which is connected to the pressing plate, and the other end of which is connected to the driving screw, and is used to drive the pressing plate to move toward the flexible printed circuit board to be bent disposed on the base; The flexible printed circuit board bending, laminating and pressure-maintaining structure further includes a flexible printed circuit board inspection sensor for monitoring whether there is a flexible printed circuit board to be bent on the base; when it is detected that there is a flexible printed circuit board to be bent on the base, the bending unit and the pressure-maintaining unit are started in sequence; The flexible printed circuit board bending, laminating and pressure-maintaining structure also includes a bending position detection sensor, which is arranged on the base and is used to provide real-time feedback on the placement position of the flexible printed circuit board to be bent and the position of the bending end; when it is monitored that the placement position of the flexible printed circuit board to be bent meets the preset requirements, the bending unit is started; when it is monitored that the position of the bending end meets the preset requirements, the pressure-maintaining unit is started.
2. A flexible printed circuit board bending, laminating and pressure-maintaining structure according to claim 1, characterized in that: The first positioning member is provided with a U-shaped notch, and when the flexible printed circuit board to be bent is placed on the base, its end is located in the U-shaped notch.
3. The flexible printed circuit board bending, laminating and pressure-maintaining structure according to claim 1, characterized in that: The pressure head is made of flexible material.
4. The flexible printed circuit board bending, laminating and pressure-maintaining structure according to claim 1, characterized in that: The base comprises: A bottom plate, on which the second power unit and the transmission screw are both arranged; The support seat is arranged above the base plate, and comprises a support plate and legs vertically connected to the support plate; the rotating shaft is arranged on the support plate; the support plate is also used to place the flexible printed circuit board to be bent; the legs are also vertically connected to the base plate.
5. A method for using the bending, laminating and pressure-maintaining structure of a flexible printed circuit board according to any one of claims 1 to 4, characterized in that: include: Place the flexible printed circuit board to be bent on the base; Using a bending unit to bend the end of the flexible printed circuit board to form a bent end; The pressure-maintaining unit is driven to move above the bent end portion, and then the bent end portion is pressed by the pressure-maintaining unit.
Citation Information
Patent Citations
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