Flexible connection structure for longitudinal movement of a carousel and carousel module

Abstract

The application discloses a flexible connection structure and a rotating disc module for longitudinal movement of a rotating disc, relates to the technical field of microscope manufacturing, and comprises an FPC flexible board located in the inner cavity of a main shell, a No. 1 board card fixing piece is installed or bonded on the inner wall of one side of the main shell through a screw, the No. 1 board card fixing piece is sleeved on the outer side of the FPC flexible board, and a structure piece with a bent end is tightly attached to the side of the FPC flexible board away from the No. 1 board card fixing piece. The flexible connection structure and the rotating disc module for longitudinal movement of the rotating disc, the structure piece effectively blocks the contact between the FPC flexible board and the moving guide rail assembly, avoids friction and abrasion, simultaneously guides the FPC flexible board to keep a proper bending radius during longitudinal movement and rotating disc switching, prevents plastic deformation or loss of resilience caused by small-radius folding, makes the FPC flexible board orderly accumulated and stable in form in the moving stroke, and realizes the compact, stable and durable flexible connection between the rotating disc module and the control board card.

Description

Technical Field

[0001] This invention relates to the field of microscope manufacturing technology, specifically to a flexible connection structure and turntable module for longitudinal movement of a turntable. Background Technology

[0002] The microscope turret switching module is a key component of the microscopic imaging system, used to carry multiple objectives and achieve rapid and precise switching. This module usually consists of a turret assembly, a drive mechanism and a control circuit. The turret is driven to rotate by a stepper motor or a servo motor, so that objectives of different magnifications are accurately switched to the working position of the optical path. In order to ensure the signal transmission and power supply connection between the moving parts and the control board during the switching process, a flexible printed circuit board is often used as a soft connection solution.

[0003] However, existing solutions use flexible wire harnesses, redundant wire harnesses, or hinges to connect two relatively moving parts, which cannot achieve miniaturization, are difficult to maintain durability and consistency, and are costly. Some solutions use FPC software to achieve soft connections, but they all use electrically controlled drive rotation winding and arc bending, which makes it difficult to control the movement within the arc radius stroke range and cannot meet the requirements of the turntable's longitudinal stroke movement. Therefore, this solution proposes a flexible connection structure and turntable module for longitudinal movement of the turntable. Summary of the Invention

[0004] The purpose of this invention is to provide a flexible connection structure and turntable module for longitudinal movement of a turntable, so as to solve the problems currently found in the market as mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a flexible connection structure for longitudinal movement of a turntable, comprising an FPC flexible board located in the inner cavity of a main shell, a No. 1 board clip fixing member installed or bonded to one side inner wall of the main shell by screws, the No. 1 board clip fixing member being sleeved on the outside of the FPC flexible board, and a structural member with a bent end being tightly attached to the side of the FPC flexible board away from the No. 1 board clip fixing member;

[0006] A second board fastener is installed on the inner wall of the main shell away from the first board fastener, which allows the FPC flexible board to be attached to the surface of the structural component. The end of the structural component is connected to a longitudinal movement module, and the surface of the FPC flexible board is provided with an anti-deformation module that provides support for bending.

[0007] Preferably, the longitudinal movement module includes a No. 3 plate fastener that is connected to the end of the structural component by screws.

[0008] Preferably, the side of the third board fixing member away from the FPC flexible board is equipped with a moving drive assembly by screws.

[0009] Preferably, the inner side of the moving drive assembly is electrically slidably connected to a moving guide rail assembly, and the moving guide rail assembly is installed in the inner cavity of the main housing by screws.

[0010] Preferably, the anti-deformation module includes a polyimide reinforcement portion disposed at the end connection of the FPC flexible board.

[0011] Preferably, one side of the FPC flexible board is provided with copper-clad portions distributed at equal intervals, and the copper-clad portions of the FPC flexible board are closely attached to a molding part for pre-bending the FPC flexible board, wherein the circumference of the arc surface of the molding part is between 70mm and 100mm.

[0012] A turntable module includes a support chassis assembly mounted on one side of a motion drive assembly by screws. The support chassis assembly is located in the inner cavity of a main housing. A turntable assembly is nested in the center of the support chassis assembly. The motion drive assembly drives an FPC flexible board to move longitudinally along a motion guide assembly.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. The polyimide reinforcement enhances the local rigidity of the welding and insertion areas at the ends of the FPC flexible board, preventing tearing. Combined with the copper-clad part and the pre-shaping constraint in the width direction of the molded part, the FPC flexible board obtains constraint stress towards the center of the arc, maintaining shape stability and preventing lateral swaying during large-radius bending. The bending radius is controllable, ensuring the reliability and durability of electrical connections, and the cost is low.

[0015] 2. The structural components serve as both a shaping carrier for the FPC flexible circuit board and a lateral barrier, effectively preventing contact between the FPC flexible circuit board and the moving guide rail assembly, thus avoiding friction and wear. At the same time, they guide the FPC flexible circuit board to maintain a suitable bending radius during longitudinal movement and turntable switching, preventing small-radius folding from causing plastic deformation or loss of springback. This allows the FPC flexible circuit board to stack in an orderly manner and maintain a stable shape within the movement stroke, achieving a compact, stable, and durable flexible connection between the turntable module and the control board, adapting to narrow turntable spaces. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main structure of the present invention;

[0017] Figure 2 This is a schematic diagram of the main shell structure of the present invention;

[0018] Figure 3 This is a schematic diagram of the turntable assembly structure of the present invention;

[0019] Figure 4 This is a schematic diagram of the FPC flexible circuit board structure of the present invention;

[0020] Figure 5 This is a schematic diagram of the copper-clad portion structure of the present invention;

[0021] Figure 6 This is a schematic diagram of the structure of the molded part of the present invention.

[0022] In the diagram: 1. Main shell; 2. FPC flexible board; 3. Structural component; 4. First board fixing component; 5. Second board fixing component; 6. Third board fixing component; 7. Motion drive assembly; 8. Motion guide rail assembly; 9. Turntable assembly; 10. Support chassis assembly; 11. Reinforcing part; 12. Molded part; 13. Copper cladding part. Detailed Implementation

[0023] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0024] Please see Figures 1-6 The present invention provides a technical solution: a flexible connection structure for longitudinal movement of a turntable, including an FPC flexible plate 2 located in the inner cavity of the main shell 1, a first plate fastener 4 installed or glued to one side inner wall of the main shell 1 by screws, the first plate fastener 4 being sleeved on the outside of the FPC flexible plate 2, and a structural member 3 with a bent end being tightly attached to the side of the FPC flexible plate 2 away from the first plate fastener 4.

[0025] The end of the structural component 3 is connected to a longitudinal movement module, and the surface of the FPC flexible board 2 is provided with an anti-deformation module that provides support for bending.

[0026] In practice, the FPC flexible board 2 is laid flat inside the main shell 1, with one end of the FPC flexible board 2 passing through and being secured by the first board clip 4. The other side of the FPC flexible board 2 is tightly attached to the bent surface of the structural component 3. The end of the structural component 3 is connected to the longitudinal movement module. Then, the second board clip 5 is used to press the FPC flexible board 2 tightly against the surface of the structural component 3 to prevent the FPC flexible board 2 from warping or detaching when it moves longitudinally with the structural component 3. This fixing method provides bidirectional constraint to both ends of the FPC flexible board 2 through the first board clip 4 and the second board clip 5, so that the FPC flexible board 2 moves longitudinally synchronously and stably with the structural component 3, avoiding wiring disorder or poor contact due to the flexibility of the FPC flexible board 2 itself.

[0027] Please see Figures 1-3 The inner wall of the main shell 1 away from the first board fastener 4 is equipped with a second board fastener 5, which allows the FPC flexible board 2 to be attached to the surface of the structural component 3. The longitudinal moving module includes a third board fastener 6 connected to the end of the structural component 3 by screws.

[0028] In practice, structural component 3, FPC flexible board 2, and No. 3 board fixing component 6 form a synchronously moving whole, so that the excess length of FPC flexible board 2 is stacked in an orderly manner within a limited space and constrained to one side of the arc surface, effectively preventing friction and wear between FPC flexible board 2 and moving guide rail assembly 8, extending the service life of FPC flexible board 2. At the same time, structural component 3 guides FPC flexible board 2 to maintain a suitable bending radius, preventing plastic deformation or loss of springback ability of FPC flexible board 2 due to small radius folding, ensuring that FPC flexible board 2 is stable in shape and reliable in electrical connection during the longitudinal switching of the turntable.

[0029] Please see Figures 1-3 The third board fixing component 6 is mounted with a moving drive component 7 on the side away from the FPC flexible board 2 by screws. The moving drive component 7 is electrically slidably connected to the inner side of the moving guide rail component 8, and the moving guide rail component 8 is mounted in the inner cavity of the main shell 1 by screws. The structural component 3 is located between the FPC flexible board 2 and the moving guide rail component 8. The structural component 3 can effectively block the contact between the FPC flexible board 2 and the moving guide rail component 8 and reduce the wear of the FPC flexible board 2. The longitudinal stroke of the moving drive component 7 is 20mm.

[0030] A turntable module includes a support chassis assembly 10 that is mounted on one side of a motion drive assembly 7 by screws. The support chassis assembly 10 is located in the inner cavity of the main housing 1. A turntable assembly 9 is nested in the center of the support chassis assembly 10. The motion drive assembly 7 drives the FPC flexible board 2 to move longitudinally along the motion guide rail assembly 8.

[0031] In specific implementation, when the mobile drive component 7 is powered on, the drive board fixing component 6 drives the structural component 3 and the FPC flexible board 2 to move longitudinally and reciprocally along the mobile guide rail component 8. The turntable component 9 moves synchronously to the corresponding working position along with the support chassis component 10. This longitudinal movement module achieves precise longitudinal positioning of the FPC flexible board 2 and the turntable component 9 through the cooperation of the mobile drive component 7 and the mobile guide rail component 8. The stroke is controlled within the allowable bending radius of the FPC flexible board 2, avoiding damage to the FPC flexible board 2 due to overstretching or excessive stacking.

[0032] Please see Figures 4-6The anti-deformation module includes a polyimide reinforcement 11 disposed at the end connection of the FPC flexible board 2. One side surface of the FPC flexible board 2 is provided with evenly spaced copper-clad portions 13. The copper-clad portions 13 of the FPC flexible board 2 are tightly attached to a molding component 12 that pre-bends the FPC flexible board 2. The polyimide reinforcement 11 prevents damage to the connection end. The pre-forming constraint in the width direction of the copper-clad portions 13 and the molding component 12 overcomes the inability of the single-layer flexible board 2 to withstand lateral stress during large-radius bending. To address the issue of shape stability and controllable bending radius of the FPC flexible board 2 during longitudinal movement and turntable switching, thus extending its service life, the circumference of the arc surface of the shaped part 12 is between 70mm and 100mm. A polyimide reinforcement part 11 is provided at the end connection of the FPC flexible board 2 to enhance the local rigidity of the insertion and welding areas and prevent tearing. Copper-clad parts 13 are evenly distributed on one side of the FPC flexible board 2, and the copper-clad parts 13 are closely attached to the shaped part 12. The curvature of the shaped part 12 matches that of the arc surface of the structural part 3.

[0033] In practice, before assembly, the FPC flexible board 2 is manually attached to the surface of the plastic part 12. Since there is a certain curvature in the width direction, the copper-clad part 13 area on the back of the FPC flexible board 2 is manually pressed to make it bend and deform in accordance with the curvature to complete the pre-forming. This gives the FPC flexible board 2 a constraint stress in the width direction toward the center of the curvature. The copper-clad part 13 in the width direction provides stable support to maintain the plastic shape.

[0034] The copper-clad portion 13 provides bending constraint stress in the width direction, enabling the cross section of the FPC flexible board 2 to obtain initial stiffness against torsion around the length axis. When the FPC flexible board 2 forms a bending excess section in the length direction during the longitudinal switching process of the turntable assembly 9, the pre-plasticizing constraint in the width direction restricts the free rotation of the cross section of the FPC flexible board 2 around the length axis, so that the excess section only bends and accumulates in the plane along one side of the arc surface of the structural member 3 without swaying left and right or flipping, thereby ensuring the morphological stability of the FPC flexible board 2 during the entire longitudinal movement.

[0035] Working principle: When using the flexible connection structure and turntable module with longitudinal movement of the turntable, one end of the FPC flexible board 2 is fixed to the first board fixing component 4, and the other end is pressed and attached to the arc surface of the structural component 3 by the second board fixing component 5. The moving drive component 7 drives the structural component 3 and the FPC flexible board 2 to move longitudinally along the moving guide rail component 8 by 20mm through the third board fixing component 6. The turntable component 9 moves synchronously. The structural component 3 prevents the FPC flexible board 2 from contacting the guide rail and guides bending. The anti-deformation module enhances the rigidity of the connection end through the polyimide reinforcement part 11. The copper-clad part 13 cooperates with the shaping part 12 to pre-shape the FPC flexible board 2 in the width direction, so that it maintains a stable shape and controllable bending radius during movement. The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A flexible connection structure for longitudinal movement of a turntable, comprising an FPC flexible plate (2) located in the inner cavity of a main shell (1), characterized in that: A No. 1 board fastener (4) is installed or glued to the inner wall of one side of the main shell (1) by screws. The No. 1 board fastener (4) is sleeved on the outside of the FPC flexible board (2). The side of the FPC flexible board (2) away from the No. 1 board fastener (4) is closely attached to a structural member (3) with a bent end. The main shell (1) is equipped with a second board fastener (5) on its inner wall away from the first board fastener (4), which allows the FPC flexible board (2) to be attached to the surface of the structural component (3). The end of the structural component (3) is connected to a longitudinal movement module, and the surface of the FPC flexible board (2) is provided with an anti-deformation module that provides support for bending.

2. The flexible connection structure for longitudinal movement of a turntable according to claim 1, characterized in that: The longitudinal movement module includes a No. 3 plate fastener (6) that is connected to the end of the structural member (3) by screws.

3. The flexible connection structure for longitudinal movement of a turntable according to claim 2, characterized in that: The third board fixing component (6) is mounted with a moving drive assembly (7) by screws on the side away from the FPC flexible board (2).

4. The flexible connection structure for longitudinal movement of a turntable according to claim 3, characterized in that: The inner side of the moving drive assembly (7) is electrically slidably connected to the moving guide rail assembly (8), and the moving guide rail assembly (8) is installed in the inner cavity of the main shell (1) by screws.

5. The flexible connection structure for longitudinal movement of a turntable according to claim 1, characterized in that: The anti-deformation module includes a polyimide reinforcement (11) disposed at the end connection of the FPC flexible board (2).

6. The flexible connection structure for longitudinal movement of a turntable according to claim 5, characterized in that: The FPC flexible board (2) has copper-clad portions (13) evenly distributed on one side of its surface. The copper-clad portions (13) of the FPC flexible board (2) are closely attached to a molding part (12) that pre-bends the FPC flexible board (2). The circumference of the arc surface of the molding part (12) is between 70mm and 100mm.

7. A turntable module, employing the flexible connection structure for longitudinal movement of the turntable as described in any one of claims 1-6, comprising a supporting chassis assembly (10) mounted on one side of the moving drive assembly (7) by screws, characterized in that: The supporting chassis assembly (10) is located in the inner cavity of the main shell (1). The center of the supporting chassis assembly (10) is nested with a turntable assembly (9). The moving drive assembly (7) drives the FPC flexible board (2) to move longitudinally along the moving guide rail assembly (8).

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