CN219145758U - Limit structure for flexible circuit board printing - Google Patents

Abstract

The utility model discloses a limiting structure for flexible circuit board printing, which comprises a limiting platform, a circuit board body, a driving structure and a fixing structure, wherein a limiting concave table is arranged on the limiting platform, a driving cavity is arranged in the limiting platform, the circuit board body is placed on the limiting concave table, the driving structure is arranged in the driving cavity, and the fixing structure is arranged on the driving structure; the driving structure comprises a driving motor, a driving rotating shaft, a driving bevel gear, a driven bevel gear and a driving plate, wherein the driving motor is arranged at the bottom in the driving cavity, the driving rotating shaft is rotationally arranged at the opposite side wall in the driving cavity, and the driving bevel gear is arranged on a power output shaft of the driving motor. The utility model relates to the technical field of circuit board production equipment, and particularly provides a limiting structure for flexible circuit board printing, which is reasonable and simple in structure and convenient to use.

Description

Limit structure for flexible circuit board printing

Technical Field

The utility model relates to the technical field of circuit board production equipment, in particular to a limiting structure for flexible circuit board printing.

Background

The flexible circuit board is a flexible printed circuit board which is made of polyimide or polyester film and has high reliability, the flexible circuit board is excellent in electrical performance, the design requirement of smaller and higher-density installation can be met, the flexible circuit board is also beneficial to reducing assembly procedures and enhancing reliability, accurate positioning is crucial in the flexible circuit board printing process, through searching, the printed circuit board printing positioning table which is convenient to adjust is disclosed as No. CN213186724U, the two limiting plates are shortened by controlling the two multistage electric push rods, the two limiting plates are driven to clamp the circuit board, meanwhile, the sucking disc can stably adsorb the circuit board, double positioning is carried out on the circuit board, the circuit board is ensured to be stably fixed on the positioning table, the phenomenon of deflection or dislocation is prevented, but the scheme is complex, the printed circuit board is not provided with an automatic stop function after being contacted with the side surface of the circuit board when the circuit board is positioned, the circuit board is difficult to accurately fix the circuit board, meanwhile, the limiting structure is required to be lifted to limit the vertical height direction of the circuit board, and the degree of automation is low.

Disclosure of Invention

Aiming at the situation, in order to make up the existing defects, the utility model provides the limit structure for flexible circuit board printing, which has reasonable and simple structure and is convenient to use.

The utility model provides the following technical scheme: the utility model provides a limiting structure for flexible circuit board printing, which comprises a limiting platform, a circuit board body, a driving structure and a fixing structure, wherein a limiting concave table is arranged on the limiting platform; the driving structure comprises a driving motor, a driving rotating shaft, a driving bevel gear, a driven bevel gear and a driving plate, wherein the driving motor is arranged on the inner bottom wall of a driving cavity, the driving rotating shaft is rotationally arranged on the opposite side wall of the driving cavity, the driving bevel gear is arranged on a power output shaft of the driving motor, the driven bevel gear is arranged in the middle of the driving rotating shaft, the driving bevel gear is meshed with the driven bevel gear, two groups of thread groups are arranged on the driving rotating shaft and are oppositely arranged in thread directions, the driving plate is provided with two groups of threads, the driving plate is arranged on the thread groups with the opposite thread directions through threaded connection, and two ends of the driving plate are slidably arranged between the inner bottom wall and the top wall of the driving cavity.

In order to make flexible circuit board printing be with spacing structure can be stable accurate fixed to the circuit board is spacing, fixed knot constructs including connecting rod, support slide and supplementary pressure and holds the subassembly, the drive plate lateral wall is located to connecting rod one end, the connecting rod other end runs through the drive chamber and extends to in the spacing concave station, the connecting rod is equipped with the multiunit, support slide one side and locate multiunit connecting rod other end, be equipped with the direction spout on the spacing concave station, support slide lower extreme slip and locate in the direction spout, support the slide lateral wall and be equipped with spacing recess, the circuit board body slides and locates in the spacing recess, supplementary pressure is held the subassembly and is located and support the slide lateral wall.

Further, the auxiliary pressing component comprises a supporting shell, a pressing rod, a C-shaped frame, a pressing roller and an adjusting spring, wherein the supporting shell is arranged on the side wall of the supporting slide plate, the lower end of the pressing rod penetrates through and is slidably arranged on the supporting shell, the C-shaped frame is arranged at the bottom of the pressing rod, a limiting block is arranged at the top of the pressing rod, the pressing roller is rotationally arranged on the opposite side wall of the C-shaped frame, the pressing roller is in rolling contact with the circuit board body, a guide plate is arranged on the pressing rod, the adjusting spring is sleeved on the pressing rod, and two ends of the adjusting spring are respectively connected with the guide plate and the inner side wall of the supporting shell.

Further, the auxiliary pressing and holding assemblies are uniformly distributed with a plurality of groups.

Further, a proximity sensor is arranged in the limiting groove.

Further, the driving motor is a forward and reverse motor.

The beneficial effects obtained by the utility model by adopting the structure are as follows: according to the limit structure for flexible circuit board printing, the connecting rod and the supporting sliding plate are driven to move in the opposite directions through the driving structure, the two sides of the circuit board body are limited through the limit grooves, the arranged proximity sensor can clamp and fix the circuit board body accurately, in the clamping process, the vertical direction of the circuit board body is limited through the rolling extrusion action of the pressing holding roller and the circuit board body, manual adjustment is not needed, and the limit structure is convenient and accurate to use.

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 whole structure of a limiting structure for flexible circuit board printing according to the present utility model;

fig. 2 is an enlarged partial schematic view of a portion a of fig. 1.

Fig. 3 is a schematic top view of a fixing structure of a limiting structure for flexible circuit board printing according to the present utility model.

Wherein, 1, a limit platform, 2, a circuit board body, 3, a driving structure, 4, a fixing structure, 5, a limit concave table, 6, a driving cavity, 7, a driving motor, 8, a driving rotating shaft, 9, a driving bevel gear, 10, a driven bevel gear, 11 and a driving plate, 12, connecting rods, 13, supporting sliding plates, 14, guiding sliding grooves, 15, limiting grooves, 16, supporting shells, 17, pressing rods, 18, C-shaped frames, 19, pressing rollers, 20, adjusting springs, 21, limiting blocks, 22, guiding plates, 23 and proximity sensors.

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 limit structure for flexible circuit board printing, includes spacing platform 1, circuit board body 2, drive structure 3 and fixed knot construct 4, is equipped with spacing concave station 5 on the spacing platform 1, is equipped with drive chamber 6 in the spacing platform 1, and circuit board body 2 is placed on spacing concave station 5, and drive structure 3 locates in drive chamber 6, and fixed knot constructs 4 and locates on the drive structure 3; the driving structure 3 comprises a driving motor 7, a driving rotating shaft 8, a driving bevel gear 9, a driven bevel gear 10 and a driving plate 11, wherein the driving motor 7 is arranged on the inner bottom wall of the driving cavity 6, the driving rotating shaft 8 is rotationally arranged on the opposite side wall of the driving cavity 6, the driving bevel gear 9 is arranged on a power output shaft of the driving motor 7, the driven bevel gear 10 is arranged in the middle of the driving rotating shaft 8, the driving bevel gear 9 is meshed with the driven bevel gear 10, two sets of thread groups are arranged on the driving rotating shaft 8 and are oppositely arranged in thread directions, the driving plate 11 is provided with two sets of thread groups, the two sets of driving plates 11 are arranged on the thread groups oppositely in thread directions through threaded connection, and two ends of the driving plate 11 are slidably arranged between the inner bottom wall and the top wall of the driving cavity 6.

As shown in fig. 2, the fixing structure 4 includes a connecting rod 12, a supporting slide plate 13 and an auxiliary pressing component, one end of the connecting rod 12 is arranged on the side wall of the driving plate 11, the other end of the connecting rod 12 penetrates through the driving cavity 6 and extends into the limiting concave table 5, a plurality of groups of connecting rods are arranged on the connecting rod 12, one side of the supporting slide plate 13 is arranged on the other end of the plurality of groups of connecting rods 12, a guiding chute 14 is arranged on the limiting concave table 5, the lower end of the supporting slide plate 13 is slidably arranged in the guiding chute 14, a limiting groove 15 is arranged on the side wall of the supporting slide plate 13, the circuit board body 2 is slidably arranged in the limiting groove 15, and the auxiliary pressing component is arranged on the side wall of the supporting slide plate 13.

As shown in fig. 2, the auxiliary pressing assembly comprises a supporting shell 16, a pressing rod 17, a C-shaped frame 18, a pressing roller 19 and an adjusting spring 20, wherein the supporting shell 16 is arranged on the side wall of the supporting slide plate 13, the lower end of the pressing rod 17 penetrates through and is slidably arranged on the supporting shell 16, the C-shaped frame 18 is arranged at the bottom of the pressing rod 17, a limiting block 21 is arranged at the top of the pressing rod 17, the pressing roller 19 is rotatably arranged on the opposite side wall of the C-shaped frame 18, the pressing roller 19 is in rolling contact with the circuit board body 2, a guide plate 22 is arranged on the pressing rod 17, the adjusting spring 20 is sleeved on the pressing rod 17, and two ends of the adjusting spring 20 are respectively connected with the guide plate 22 and the inner side wall of the supporting shell 16.

As shown in fig. 3, the auxiliary pressing components are uniformly distributed with a plurality of groups.

As shown in fig. 2, a proximity sensor 23 is provided in the limit groove 15.

Wherein the driving motor 7 is a forward and reverse rotation motor.

When the circuit board is particularly used, the circuit board body 2 is placed on the limiting concave table 5, the driving motor 7 is started, the driving rotating shaft 8 is driven to rotate through the cooperation of the driving bevel gear 9 and the driven bevel gear 10, the driving rotating shaft 8 drives the two groups of driving boards 11 to move, thereby driving the fixed structure 4 to move, the two sides of the circuit board body 2 are clamped through the limiting grooves 15 on the supporting sliding plate 13, the operation of the driving motor 7 is stopped when the circuit board body is close to the proximity sensor 23, the upper surface of the circuit board body 2 is pressed through the pressing roller 19 in the clamping process, the portable limiting is not needed, and the use convenience of the limiting structure is greatly improved.

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 (6)

1. A limit structure for flexible circuit board printing is characterized in that: the circuit board comprises a limiting platform, a circuit board body, a driving structure and a fixing structure, wherein a limiting concave table is arranged on the limiting platform, a driving cavity is arranged in the limiting platform, the circuit board body is placed on the limiting concave table, the driving structure is arranged in the driving cavity, and the fixing structure is arranged on the driving structure; the driving structure comprises a driving motor, a driving rotating shaft, a driving bevel gear, a driven bevel gear and a driving plate, wherein the driving motor is arranged on the inner bottom wall of a driving cavity, the driving rotating shaft is rotationally arranged on the opposite side wall of the driving cavity, the driving bevel gear is arranged on a power output shaft of the driving motor, the driven bevel gear is arranged in the middle of the driving rotating shaft, the driving bevel gear is meshed with the driven bevel gear, two groups of thread groups are arranged on the driving rotating shaft and are oppositely arranged in thread directions, the driving plate is provided with two groups of threads, the driving plate is arranged on the thread groups with the opposite thread directions through threaded connection, and two ends of the driving plate are slidably arranged between the inner bottom wall and the top wall of the driving cavity.

2. The limit structure for flexible circuit board printing according to claim 1, wherein: the fixed knot constructs including connecting rod, support slide and supplementary pressure and holds the subassembly, the drive plate lateral wall is located to connecting rod one end, the connecting rod other end runs through the drive chamber and extends to in the spacing concave station, the connecting rod is equipped with the multiunit, the multiunit connecting rod other end is located to support slide one side, be equipped with the direction spout on the spacing concave station, support slide lower extreme slip and locate in the direction spout, support the slide lateral wall and be equipped with spacing recess, the circuit board body slides and locates in the spacing recess, supplementary pressure is held the subassembly and is located and support the slide lateral wall.

3. The limit structure for flexible circuit board printing according to claim 2, wherein: the auxiliary pressing assembly comprises a supporting shell, a pressing rod, a C-shaped frame, a pressing roller and an adjusting spring, wherein the supporting shell is arranged on the side wall of the supporting slide plate, the lower end of the pressing rod penetrates through and slides on the supporting shell, the C-shaped frame is arranged at the bottom of the pressing rod, a limiting block is arranged at the top of the pressing rod, the pressing roller rotates on the opposite side wall of the C-shaped frame, the pressing roller is in rolling contact with the circuit board body, a guide plate is arranged on the pressing rod, the adjusting spring is sleeved on the pressing rod, and two ends of the adjusting spring are respectively connected with the guide plate and the inner side wall of the supporting shell.

4. A spacing structure for flexible circuit board printing as defined in claim 3, wherein: the auxiliary pressing and holding assemblies are uniformly distributed with a plurality of groups.

5. The limit structure for flexible circuit board printing according to claim 4, wherein: and a proximity sensor is arranged in the limit groove.

6. The limit structure for flexible circuit board printing according to claim 5, wherein: the driving motor is a forward and reverse rotation motor.

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