CN219628013U

CN219628013U - Flexible circuit board clamping mechanism

Info

Publication number: CN219628013U
Application number: CN202320395298.5U
Authority: CN
Inventors: 张万才; 陈彩珍
Original assignee: Zhuhai Bodun Electronics Co ltd
Current assignee: Zhuhai Bodun Electronics Co ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-09-01
Anticipated expiration: 2033-03-06

Abstract

The utility model discloses a flexible circuit board clamping mechanism which comprises a bottom plate, connecting rods, a loop-shaped supporting shell, a driving adjusting structure and a pressing structure, wherein the four groups of connecting rods are arranged, the four groups of connecting rods are vertically arranged at four corners of the bottom plate, the loop-shaped supporting shell is arranged at the tops of the four groups of connecting rods, the driving adjusting structure is arranged in the loop-shaped supporting shell, the pressing structure is arranged at the bottom of the driving adjusting structure, the driving adjusting structure comprises a driving motor, a driving rotating shaft, a driving screw rod, a sprocket I, a sprocket II, a chain and an adjusting sliding rod, two ends of the driving rotating shaft are rotatably arranged on the inner side wall of the loop-shaped supporting shell, and a power output shaft is connected with the driving rotating shaft. The utility model relates to the technical field of clamping mechanisms, and particularly provides a flexible circuit board clamping mechanism which is reasonable and simple in structure, can be fully pressed and is convenient to adjust the pressing position.

Description

Flexible circuit board clamping mechanism

Technical Field

The utility model relates to the technical field of clamping mechanisms, in particular to a flexible circuit board clamping mechanism.

Background

The flexible printed circuit board has high reliability, excellent electrical performance, can meet the design requirement of smaller and higher-density installation, is also beneficial to reducing assembly procedures and enhancing reliability, and is mainly used in products such as mobile phones, notebook computers, digital cameras and the like.

In the prior art, the flexible circuit board is tightly pressed and held by a positioning plate to prevent the circuit board from displacement and bending, but the pressing force is manually and accurately controlled and is easy to damage the circuit board, and through retrieval, the positioning and clamping device for processing the flexible circuit board disclosed by the publication No. CN214025314U is characterized in that the positioning and clamping device for processing the flexible circuit board is arranged on the top of a bottom plate of the device, and the movable clamping mechanism is driven by a hydraulic cylinder to move left and right at the outer side of a driving shaft through the arrangement of the fixed clamping mechanism and the movable clamping mechanism, so that the distance between the fixed clamping mechanism and the movable clamping mechanism is conveniently adjusted according to the area of the circuit board, and the fixed clamping mechanism and the driving shaft are flexibly adjusted according to the area of the circuit board by matching with the arrangement of a driving motor, so that the problem that the traditional device is difficult to correspondingly fix circuit boards with different areas according to requirements is solved; through the setting of fixed fixture and removal fixture inboard upper cover plate and lower apron, can drive the upper cover plate through the drive shaft and carry out the arc rotation in the top of lower apron, the setting of cooperation top board and backing plate can exert the pressure of corresponding size to it according to circuit board thickness. The scheme still has some shortfalls, and two sets of fixture can't fully compress tightly the flexible circuit board, can't hold the not unidimensional size circuit board, and the position adjustment is inconvenient to holding simultaneously.

Disclosure of Invention

Aiming at the situation, in order to make up the prior defects, the utility model provides the flexible circuit board clamping mechanism which has reasonable and simple structure, can fully press and hold and is convenient for adjusting the pressing position.

The utility model provides the following technical scheme: the utility model provides a flexible circuit board clamping mechanism, which comprises a bottom plate, a connecting rod, a loop-shaped supporting shell, a driving adjusting structure and a pressing structure, wherein the connecting rod is provided with four groups, the four groups of connecting rods are vertically arranged at four corners of the bottom plate, the loop-shaped supporting shell is arranged at the top of the four groups of connecting rods, the driving adjusting structure is arranged in the loop-shaped supporting shell, the pressing structure is arranged at the bottom of the driving adjusting structure, the driving adjusting structure comprises a driving motor, a driving rotating shaft, a driving screw rod, a chain wheel I, a chain wheel II, a chain and an adjusting sliding rod, two ends of the driving rotating shaft are rotatably arranged on the inner side wall of the loop-shaped supporting shell, the driving motor is arranged on the loop-shaped supporting shell, a power output shaft is connected with the driving rotating shaft, two ends of the driving screw rod are rotatably arranged between the inner bottom wall and the top wall of the loop-shaped supporting shell, the first driving screw is arranged at the bottom of the driving screw, the second driving screw is arranged at the bottom of the driving screw, the first chain is sleeved on the first driving screw and the second driving screw and is meshed with the first driving screw and the second driving screw respectively, the first driving screw, the second driving screw and the second driving screw are respectively correspondingly provided with two groups relative to the driving motor, the inner side wall of the back-shaped supporting shell is provided with a guide chute, the driving screw is provided with two groups of screw threads with opposite screw threads, two ends of the adjusting slide bar penetrate through the guide chute and are arranged on the two groups of driving screws through threaded connection, the adjusting slide bar is provided with two groups, two ends of the adjusting slide bar are arranged on the two groups of screw threads with opposite screw threads through threaded connection, and the pressing structure is arranged on the adjusting slide bar.

In order to enable the flexible circuit board clamping mechanism to conveniently and further stabilize and fix the pressing points, the pressing structure comprises a sliding sleeve, an electric telescopic rod and a buffer component, the sliding sleeve is arranged on the adjusting slide rod in a sliding mode, a locking bolt is arranged on the side wall of the sliding sleeve and penetrates through the side wall of the sliding sleeve and is connected with the side wall of the sliding sleeve through threads, locking plates and knobs are respectively arranged at two ends of the locking bolt, the electric telescopic rod is arranged at the bottom of the sliding sleeve, and the buffer component is arranged at the free end of the electric telescopic rod.

Further, the buffer assembly comprises a buffer shell, a buffer spring, a guide plate, a support rod and a pressing plate, wherein the buffer shell is arranged at the free end of the electric telescopic rod, the guide plate is slidably arranged in the buffer shell, the buffer spring is arranged on the inner top wall of the buffer shell and is connected with the guide plate, the support rod is arranged at the bottom of the guide plate, the lower end of the support rod penetrates through the buffer shell and extends to the lower side, the pressing plate is arranged at the bottom of the support rod, and a force sensor is arranged at the bottom of the pressing plate.

Preferably, the pressing structure is correspondingly provided with four groups, and the four groups of pressing structures are arranged on the two groups of adjusting slide bars.

Further, a motor protection cover is arranged on the driving motor.

The beneficial effects obtained by the utility model by adopting the structure are as follows: according to the flexible circuit board clamping mechanism, the adjusting sliding rod can be flexibly adjusted through the driving adjusting structure, and the buffer assembly can be flexibly moved under the cooperation of the sliding sleeve and the electric telescopic rod, so that four corners of flexible circuit boards with different sizes can be conveniently and stably clamped, the flexible circuit boards can be stably pressed through the cooperation of the arranged electric telescopic rod and the buffer assembly, and the damage to the circuit boards due to overlarge pressing force or insufficient pressing force can be effectively prevented.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1 is a schematic diagram of the overall structure of a flexible circuit board clamping mechanism according to the present utility model;

FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;

fig. 3 is a schematic diagram of the internal structure of a loop-shaped supporting shell of a flexible circuit board clamping mechanism according to the present utility model.

The device comprises a base plate 1, a connecting rod 2, a connecting rod 3, a loop-shaped supporting shell 4, a driving adjusting structure 5, a pressing structure 6, a driving motor 7, a driving rotating shaft 8, a driving screw rod 9, a first sprocket wheel 10, a second sprocket wheel 11, a chain 12, an adjusting slide rod 13, a guiding slide groove 14, a sliding sleeve 15, an electric telescopic rod 16, a locking bolt 17, a buffering shell 18, a buffering spring 19, a guiding plate 20, a supporting rod 21, a pressing plate 22 and a force sensor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

As shown in fig. 1 to 3, the technical scheme adopted by the utility model is as follows: the utility model provides a flexible circuit board fixture, including bottom plate 1, connecting rod 2, return type supporting shell 3, drive adjusting structure 4 and pressure hold structure 5, connecting rod 2 is equipped with four groups, four groups connecting rod 2 locate the four corners department of bottom plate 1 perpendicularly, return type supporting shell 3 locates four groups connecting rod 2 tops, drive adjusting structure 4 locates in return type supporting shell 3, pressure hold structure 5 locates drive adjusting structure 4 bottom, drive adjusting structure 4 includes driving motor 6, drive pivot 7, driving screw 8, sprocket one 9, sprocket two 10, chain 11 and adjusting slide bar 12, drive pivot 7 both ends rotate and locate return type supporting shell 3 inside wall, driving motor 6 locates and power take off shaft is connected with drive pivot 7 on return type supporting shell 3, driving screw 8 both ends rotate and locate return type supporting shell 3 inner bottom wall and roof between, sprocket one 9 locates on driving motor 6's the power take off shaft, sprocket two 10 are located driving screw 8 bottoms, sprocket one 9 and sprocket two 10 mesh respectively, driving screw 8, one 9, sprocket two 10 and sprocket two 11 correspond and are equipped with two sets of guide screw rod 12 on the two sets of guide screw rod sets of guide screw 12 are equipped with two sets of guide screw thread adjusting slide bars, set of guide screw 12 are located on two sets of guide screw 12 are equipped with two opposite screw thread sets of guide screw thread 12, set of guide screw thread 12 are located on the opposite direction is connected through two sets of guide screw thread 12, set of guide screw thread 12 is located on the two sets of guide screw thread 12, the opposite screw thread set of guide screw thread 12 is connected through the opposite screw thread 12.

As shown in fig. 2 and 3, the pressing structure 5 includes a sliding sleeve 14, an electric telescopic rod 15 and a buffer component, the sliding sleeve 14 is slidably disposed on the adjusting slide rod 12, a locking bolt 16 is disposed on a side wall of the sliding sleeve 14, the locking bolt 16 penetrates through and is disposed on a side wall of the sliding sleeve 14 through threaded connection, locking plates and knobs are respectively disposed at two ends of the locking bolt 16, the electric telescopic rod 15 is disposed at the bottom of the sliding sleeve 14, and the buffer component is disposed at a free end of the electric telescopic rod 15.

As shown in fig. 2, the buffer assembly includes a buffer housing 17, a buffer spring 18, a guide plate 19, a support rod 20 and a pressing plate 21, wherein the buffer housing 17 is arranged at the free end of the electric telescopic rod 15, the guide plate 19 is slidably arranged in the buffer housing 17, the buffer spring 18 is arranged at the inner top wall of the buffer housing 17 and is connected with the guide plate 19, the support rod 20 is arranged at the bottom of the guide plate 19, the lower end of the support rod 20 penetrates through the buffer housing 17 and extends to the lower side, the pressing plate 21 is arranged at the bottom of the support rod 20, and a force sensor 22 is arranged at the bottom of the pressing plate 21.

As shown in fig. 3, four sets of pressing structures 5 are correspondingly provided, and the four sets of pressing structures 5 are arranged on the two sets of adjusting slide bars 12.

As shown in fig. 1, a motor protection cover is provided on the driving motor 6.

When the flexible circuit board is specifically used, the flexible circuit board is placed on the bottom plate 1, the driving motor 6 is started, the driving motor 6 drives the driving rotating shaft 7 to rotate, the first chain wheel 9, the second chain wheel 10 and the chain 11 drive the two groups of driving screws 8 to rotate, the driving screws 8 drive the adjusting slide bars 12 to move, the adjustment of the pressing position is realized, the pressing position is further adjusted through the sliding sleeve 14, the flexible circuit board clamping mechanism can flexibly adjust the pressing point, the electric telescopic rod 15 is started, the electric telescopic rod 15 drives the buffer assembly to move downwards, the flexible circuit board is pressed through the pressing plate 21, the force sensor 22 can ensure that the pressing force is consistent, and the damage of the circuit board caused by overlarge pressing force is prevented.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A flexible circuit board clamping mechanism is characterized in that: including bottom plate, connecting rod, back type supporting shell, drive adjustment structure and pressure structure, the connecting rod is equipped with four groups, four groups the connecting rod locates the four corners department of bottom plate perpendicularly, back type supporting shell locates four groups connecting rod tops, drive adjustment structure locates back in the type supporting shell, it locates drive adjustment structure bottom to press the structure, drive adjustment structure includes driving motor, drive pivot, drive screw, sprocket one, sprocket two, chain and adjusting slide bar, drive pivot both ends rotate and locate back type supporting shell inside wall, driving motor locates on the back type supporting shell and power output shaft is connected with the drive pivot, drive screw both ends rotate and locate back type supporting shell inner bottom wall and roof between, sprocket one locates on driving motor's the power output shaft, sprocket two locates the drive screw bottom, the chain cover is located sprocket one and sprocket two and is meshed with sprocket two respectively, drive screw, sprocket one, sprocket two and sprocket are all equipped with two sets of with respect to drive motor correspondence, back type supporting shell inside wall is equipped with the guide chute, be equipped with two sets of screw threads opposite direction on the drive screw, set of thread adjusting slide bar is located through adjusting screw on two sets of screw threads are located on the adjusting slide bar opposite direction, two sets of thread sets are located through adjusting slide bar.

2. The flexible circuit board clamping mechanism of claim 1, wherein: the pressing structure comprises a sliding sleeve, an electric telescopic rod and a buffer component, wherein the sliding sleeve is arranged on the adjusting slide rod in a sliding mode, a locking bolt is arranged on the side wall of the sliding sleeve, the locking bolt penetrates through the side wall of the sliding sleeve and is connected with the side wall of the sliding sleeve through threads, locking plates and knobs are respectively arranged at two ends of the locking bolt, the electric telescopic rod is arranged at the bottom of the sliding sleeve, and the buffer component is arranged at the free end of the electric telescopic rod.

3. The flexible circuit board clamping mechanism of claim 2, wherein: the buffer assembly comprises a buffer shell, a buffer spring, a guide plate, a support rod and a pressing plate, wherein the buffer shell is arranged at the free end of the electric telescopic rod, the guide plate is slidably arranged in the buffer shell, the buffer spring is arranged on the inner top wall of the buffer shell and is connected with the guide plate, the support rod is arranged at the bottom of the guide plate, the lower end of the support rod penetrates through the buffer shell and extends to the lower side, the pressing plate is arranged at the bottom of the support rod, and a force sensor is arranged at the bottom of the pressing plate.

4. A flexible circuit board clamping mechanism according to claim 3, wherein: the pressing structure is correspondingly provided with four groups, and the four groups of pressing structures are arranged on the two groups of adjusting slide bars.

5. The flexible circuit board clamping mechanism of claim 4, wherein: and a motor protection cover is arranged on the driving motor.