Positioning support for printing flexible circuit board

Abstract

The utility model provides a positioning support for printing a flexible circuit board, and belongs to the technical field of positioning supports. Comprising a bottom plate, the top of the bottom plate is fixedly provided with a first fixing plate, the top of the bottom plate is slidably connected with a second fixing plate and provided with a sliding groove matched with the second fixing plate to slide, the top of the bottom plate is movably provided with two third fixing plates, the third fixing plates are provided with matching grooves, and the interiors of the matching grooves are slidably connected with limiting rods; one end of one limiting rod is fixedly connected with one side of the first fixing plate. Through the arrangement of the limiting rods, the clamping grooves, the bending parts and the springs, the fixing device can adapt to circuit boards of different sizes, four right-angle positions of the circuit board are all fixed, it can be ensured that the circuit board is kept at a stable position in the whole printing process, the flexible circuit board is prevented from deforming or warping in the printing process, and the printing quality of the flexible circuit board is improved. The flatness and shape stability of the circuit board are ensured, and the printing quality and precision are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning brackets, in particular to a positioning bracket used for printing flexible circuit boards. Background Art

[0002] With the increasing use of printed electronics, conventional inkjet printers are becoming an essential tool for circuit printing. Multilayer flexible circuit boards offer high assembly density, compact size, and lightweight design. High-density assembly reduces wiring between components, increasing circuit board reliability. Therefore, the printing of multilayer circuits is often required. During the fabrication process, the positions of each layer are relatively fixed, reducing subsequent alignment steps.

[0003] Authorization announcement number CN208615520U provides a bracket suitable for positioning printing of flexible circuit boards, including a bracket carrier plate and a bracket pressure plate adapted to the bracket carrier plate, the bracket pressure plate is provided with a printing slot, the upper end surface of the bracket carrier plate is provided with a plurality of substrate positioning pins, the upper end surface of the bracket pressure plate is provided with sleeves with the same number as the substrate positioning pins, the substrate positioning pins cooperate with the sleeves, and copper coils are provided on the plurality of sleeves, and the plurality of copper coils are electrically connected to each other.

[0004] The aforementioned patent can only fix flexible circuit boards of a specific size. Different sizes of circuit boards require different brackets, which limits the flexibility and applicability of the production process, increases production costs, and increases management complexity. The present application provides a positioning bracket for printing flexible circuit boards to meet this need. Utility Model Content

[0005] The technical problem to be solved by the present invention is to provide a positioning bracket for printing flexible circuit boards to solve the problem proposed in the above-mentioned background technology that only a flexible circuit board of a specific size can be fixed. Different brackets are required for circuit boards of different sizes, which limits the flexibility and applicability of the production process, increases production costs and increases the complexity of management.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0007] The top of described sliding panel also is provided with an interlocking structure, and the interlocking structure is hinged on the base plate, is fixed with a base plate, and an end of sliding panel withstands on the back of the interlocking structure to prevent the interlocking structure from sliding.

[0008] Preferably, a telescopic rod is provided inside the spring, the top of the telescopic rod is fixedly connected to the bottom of the bent portion, and the bottom of the telescopic rod is fixedly connected to the top of the movable groove.

[0009] Preferably, a square plate is fixedly mounted on the movable rod, and a square groove is provided inside the fixed plate three to cooperate with the movement of the square plate.

[0010] Preferably, a fixing seat is fixedly installed on the bottom plate, a screw is movably passed through the interior of the fixing seat, one end of the screw is rotatably connected to one side of the fixing plate one, and the outer wall of the screw is connected to the internal thread of the fixing plate two.

[0011] Preferably, one end of the screw rod movably passes through the ball rod.

[0012] Preferably, a sleeve rod is fixedly installed between the two fixing plates three.

[0013] Preferably, a rubber sheet is fixedly mounted on one side of the fixing plate 1, the fixing plate 2 and the fixing plate 3.

[0014] Preferably, the outer wall of the bottom plate is provided with a circular chamfer.

[0015] Compared with the prior art, the present invention has at least the following beneficial effects:

[0016] In the above scheme, by setting a limit rod, a locking groove, a bent part and a spring, the spring drives the bent part to move upward and reset, and the bent part can be engaged with different locking grooves on the limit rod, thereby adjusting and fixing the relative position between fixed plate one and fixed plate three, and adjusting the distance between fixed plate two and fixed plate three in the same way. By rotating the screw, the distance between fixed plate one and fixed plate two can be adjusted, so that it can adapt to circuit boards of different sizes. The four right-angle positions of the circuit board are fixed, which can ensure that the circuit board maintains a stable position during the entire printing process, avoid deformation or warping of the flexible circuit board during the printing process, ensure the flatness and shape stability of the circuit board, and ensure printing quality and accuracy.

[0017] By setting up the square plate and the square groove, the movement of the movable rod is restricted and stabilized. The movable rod moves downward inside the movable groove. By setting up the rubber sheet, due to the elastic deformation property of the rubber sheet, it can flexibly contact and fix the edge of the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings, which are incorporated herein and constitute a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the present disclosure and to enable one skilled in the relevant art to make and use the present disclosure.

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of a positioning bracket for printing a flexible circuit board;

[0020] Figure 2 A schematic cross-sectional view of the three-dimensional structure of the positioning bracket fixing plate 1, fixing plate 2 and fixing plate 3 for printing a flexible circuit board;

[0021] Figure 3 Schematic diagram of the internal three-dimensional structure of the fixed plate three;

[0022] Figure 4 It is a side sectional view of the fixing plate three.

[0023] [Reference Signs]

[0024] 1. Bottom plate; 2. Fixed plate 1; 3. Fixed plate 2; 4. Fixed plate 3; 5. Limit rod; 6. Positioning slot; 7. Movable slot; 8. Moving rod; 9. Bending part; 10. Spring; 11. Telescopic rod; 12. Pressing head; 13. Square plate; 14. Square slot; 15. Fixed seat; 16. Screw; 17. Ball rod; 18. Sleeve rod; 19. Matching slot; 20. Rubber sheet.

[0025] As shown in the figure, in order to clearly implement the structure of the embodiment of the present invention, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the present invention to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments, and the adjustments or modifications made are still included in the scope of the appended claims. DETAILED DESCRIPTION

[0026] The following describes in detail a positioning bracket for printing on a flexible circuit board provided by the present invention, with reference to the accompanying drawings and specific embodiments. It is also noted that, for the sake of completeness, the following embodiments are best and preferred embodiments, and those skilled in the art may employ alternative implementations for known technologies. Furthermore, the accompanying drawings are intended only to provide a more detailed description of the embodiments and are not intended to limit the present invention.

[0027] It should be noted that references to "one embodiment," "an embodiment," "exemplary embodiments," "some embodiments," etc. in the specification may indicate that certain features, structures, or characteristics may be included in the embodiments, but not every embodiment necessarily includes such certain features, structures, or characteristics. In addition, when a certain feature, structure, or characteristic is described in conjunction with an embodiment, it should be within the knowledge of persons skilled in the relevant art to implement such feature, structure, or characteristic in conjunction with other embodiments, regardless of whether such feature, structure, or characteristic is explicitly described.

[0028] In general, terms can be understood, at least in part, from their use in context. For example, depending at least in part on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending at least in part on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0029] like Figure 1-4As shown, the embodiment of the present invention provides a positioning bracket for printing a flexible circuit board, including a base plate 1, a fixed plate 2 is fixedly installed on the top of the base plate 1, a fixed plate 2 is slidably connected to the top of the base plate 1 and a sliding groove is provided for cooperating with the sliding of the fixed plate 2 3, two fixed plates 3 4 are movably provided on the top of the base plate 1, the fixed plate 3 4 is provided with a matching groove 19, and a limiting rod 5 is slidably connected inside the matching groove 19, one end of one limiting rod 5 is fixedly connected to one side of the fixed plate 2, and one end of the other limiting rod 5 is fixedly connected to one side of the fixed plate 2 3, and a plurality of groups of clamping grooves 6 are provided at the bottom of the limiting rod 5, a movable groove 7 is provided inside the fixed plate 3 4, and a moving rod 8 is movably provided inside the movable groove 7, and one end of the moving rod 8 is provided with a bent portion 9, which is clamped inside the clamping groove 6, and two springs 10 are fixedly installed at the bottom of the bent portion 9, and one end of the spring 10 is connected to the top of the movable groove 7 The top of the mobile rod 8 is fixedly connected with a pressing head 12, and the top of the bottom plate 1 is provided with a moving groove that cooperates with the movement of the fixed plate three 4. A telescopic rod 11 is provided inside the spring 10, and the top of the telescopic rod 11 is fixedly connected to the bottom of the curved part 9, and the bottom of the telescopic rod 11 is fixedly connected to the top of the movable groove 7. A square plate 13 is fixedly installed on the mobile rod 8, and a square groove 14 is provided inside the fixed plate three 4 to cooperate with the movement of the square plate 13. A fixed seat 15 is fixedly installed on the bottom plate 1, and a screw 16 is movably passed through the interior of the fixed seat 15. One end of the screw 16 is rotatably connected to one side of the fixed plate one 2, and the outer wall of the screw 16 is connected to the internal thread of the fixed plate two 3. One end of the screw 16 movably passes through the ball rod 17, and a sleeve rod 18 is fixedly installed between the two fixed plates three 4. A rubber sheet 20 is fixedly installed on one side of the fixed plate one 2, the fixed plate two 3 and the fixed plate three 4, and the outer wall of the bottom plate 1 is provided with a circular chamfer.

[0030] When printing on a flexible circuit board, first place the circuit board on top of the base plate 1 so that one right-angled side of the circuit board is in contact with the rubber sheet 20 on one side of the fixed plate 2. Then adjust the distance between the fixed plate 3 4 and the fixed plate 2 according to the width of the circuit board. First, press the pressing head 12 downward, and the moving rod 8 drives the square plate 13 to move downward inside the square groove 14. By setting the square plate 13 and the square groove 14, the movement of the moving rod 8 is restricted and stabilized. The moving rod 8 moves downward inside the movable groove 7. , squeeze the two springs 10, and the telescopic rod 11 cooperates with the movement of the moving rod 8 to disengage the bending portion 9 from the card slot 6, and then push the fixed plate three 4 to make the limiting rod 5 slide inside the matching slot 19, adjust the distance between the fixed plate 2 and the fixed plate three 4, and then release the pressing head 12, the spring 10 rebounds and drives the bending portion 9 to move upward, and the bending portion 9 is stuck in the inside of the card slot 6, so that the relative position of the limiting rod 5 and the fixed plate three 4 remains unchanged. At the same time, after changing the position of the two fixed plates three 4, manually rotate the ball rod 17 to drive The screw 16 rotates, and then one end of the screw 16 rotates on one side of the fixed plate 1 2, and drives the fixed plate 2 3 to move, and the sleeve rod 18 cooperates with the two fixed plates 3 4 to move relative to each other. By setting the limit rod 5, the locking groove 6, the bent part 9 and the spring 10, the spring 10 drives the bent part 9 to move upward and reset, and the bent part 9 can lock the different locking grooves 6 on the limit rod 5, thereby adjusting and fixing the relative position between the fixed plate 1 2 and the fixed plate 3 4, and adjusting the distance between the fixed plate 2 3 and the fixed plate 3 4 in the same way. By rotating the screw 16, the distance between the fixed plate 1 2 and the fixed plate 2 3 can be adjusted, so that it can adapt to circuit boards of different sizes. The four right-angle positions of the circuit board are fixed, which can ensure that the circuit board maintains a stable position during the entire printing process, avoid deformation or warping of the flexible circuit board during printing, ensure the flatness and shape stability of the circuit board, and ensure printing quality and accuracy. By setting the rubber sheet 20, since the rubber sheet 20 has the property of elastic deformation, it can flexibly contact and fix the edge of the circuit board.

[0031] The technical solution provided by the present invention is that when printing on a flexible circuit board, the circuit board is first placed on the top of the base plate 1 so that one right-angled side of the circuit board is in contact and close contact with the rubber sheet 20 on one side of the fixed plate 2. Then, the distance between the fixed plate 3 4 and the fixed plate 2 is adjusted according to the width of the circuit board. First, the pressing head 12 is pressed downward, and the moving rod 8 drives the square plate 13 to move downward inside the square groove 14. The moving rod 8 moves downward inside the movable groove 7, squeezing the two springs 10. The telescopic rod 11 cooperates with the movement of the moving rod 8 to disengage the bending portion 9 from the positioning groove 6. Then, the fixed plate 3 4 is pushed to limit the position. The rod 5 slides inside the matching groove 19 to adjust the distance between the fixing plate 1 2 and the fixing plate 3 4, and then the pressing head 12 is released. The spring 10 rebounds and drives the bent portion 9 to move upward. The bent portion 9 is stuck in the inside of the locking groove 6, so that the relative position of the limit rod 5 and the fixing plate 3 4 remains unchanged. At the same time, after changing the positions of the two fixing plates 3 4, the ball rod 17 is manually rotated to drive the screw 16 to rotate, and then one end of the screw 16 rotates on one side of the fixing plate 1 2, and drives the fixing plate 2 3 to move. The sleeve rod 18 cooperates with the two fixing plates 3 4 to move relative to each other. Since the rubber sheet 20 has the property of elastic deformation, it can flexibly contact and fix the edge of the circuit board.

[0032] The present invention encompasses any substitutions, modifications, equivalent methods, and solutions that are not within the spirit and scope of the present invention. To provide a thorough understanding of the present invention, specific details are described in detail in the preferred embodiments of the present invention above, but those skilled in the art can fully understand the present invention without these detailed descriptions.

[0033] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A positioning bracket for printing a flexible circuit board, comprising a base plate (1), characterized in that: The top of the bottom plate (1) is fixedly installed with a fixed plate 1 (2), the top of the bottom plate (1) is slidably connected to a fixed plate 2 (3) and is provided with a sliding groove for cooperating with the sliding of the fixed plate 2 (3), the top of the bottom plate (1) is movably provided with two fixed plates 3 (4), the fixed plate 3 (4) is provided with a cooperating groove (19), the inner sliding connection of the cooperating groove (19) is provided with a limiting rod (5), one end of the limiting rod (5) is fixedly connected to one side of the fixed plate 1 (2), and one end of the other limiting rod (5) is fixedly connected to one side of the fixed plate 2 (3), and the bottom of the limiting rod (5) is fixedly connected to the fixed plate 1 (2). The bottom of the base plate (1) is provided with a plurality of groups of positioning grooves (6), the interior of the fixed plate three (4) is provided with a movable groove (7), the interior of the movable groove (7) is provided with a movable moving rod (8), one end of the moving rod (8) is provided with a bent portion (9), the bent portion (9) is engaged with the interior of the positioning groove (6), two springs (10) are fixedly installed at the bottom of the bent portion (9), one end of the spring (10) is fixedly connected to the top of the movable groove (7), a pressing head (12) is fixedly installed at the top of the moving rod (8), and a movable groove is provided on the top of the base plate (1) to cooperate with the movement of the fixed plate three (4).

2. The positioning bracket for printing a flexible circuit board according to claim 1, characterized in that: A telescopic rod (11) is provided inside the spring (10), the top of the telescopic rod (11) is fixedly connected to the bottom of the bent portion (9), and the bottom of the telescopic rod (11) is fixedly connected to the top of the movable groove (7).

3. The positioning bracket for printing a flexible circuit board according to claim 1, characterized in that: A square plate (13) is fixedly mounted on the movable rod (8), and a square groove (14) is provided inside the fixed plate (4) to cooperate with the movement of the square plate (13).

4. The positioning bracket for printing a flexible circuit board according to claim 1, characterized in that: A fixing seat (15) is fixedly mounted on the bottom plate (1), and a screw (16) is movably passed through the interior of the fixing seat (15). One end of the screw (16) is rotatably connected to one side of the fixing plate (2), and the outer wall of the screw (16) is connected to the internal thread of the fixing plate (3).

5. The positioning bracket for printing a flexible circuit board according to claim 4, characterized in that: One end of the screw rod (16) movably passes through the ball rod (17).

6. The positioning bracket for printing a flexible circuit board according to claim 1, characterized in that: A sleeve rod (18) is fixedly installed between the two fixing plates (4).

7. The positioning bracket for printing a flexible circuit board according to claim 1, characterized in that: A rubber sheet (20) is fixedly mounted on one side of each of the fixing plate 1 (2), the fixing plate 2 (3) and the fixing plate 3 (4).

8. The positioning bracket for printing a flexible circuit board according to claim 1, characterized in that: The outer wall of the bottom plate (1) is provided with a circular chamfer.

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