CN214610280U

CN214610280U - PCB board tilting mechanism

Info

Publication number: CN214610280U
Application number: CN202022946459.4U
Authority: CN
Inventors: 温琪; 张大科
Original assignee: Kuttler Automation Systems Suzhou Co ltd
Current assignee: Kuttler Automation Systems Suzhou Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-11-05
Anticipated expiration: 2030-12-11

Abstract

The utility model discloses a PCB board tilting mechanism, including upset unit and cam wheel splitter. The upset unit includes the axis of rotation, be equipped with a plurality of centre gripping units in the axis of rotation with centre gripping PCB board, arbitrary one the centre gripping unit perpendicular to the axis setting of axis of rotation, adjacent two the centre gripping unit set up the direction and have first angle of predetermineeing. The cam divider comprises an input shaft for inputting power and an output shaft which is perpendicular to the input shaft and can be driven by the input shaft to rotate intermittently; and the output shaft of the cam divider is connected with the rotating shaft so that the rotating shaft can rotate intermittently, and the PCB in the clamping unit is turned by a second preset angle. The utility model discloses PCB board tilting mechanism, its positioning accuracy is high, and its accuracy is not and produces the error along with time lapse to can reduce the cost, the damage to the mechanism when reducible unusual cardboard of taking place simultaneously.

Description

PCB board tilting mechanism

Technical Field

The utility model relates to a PCB board tilting mechanism.

Background

In the process of processing the PCB, the PCB generally needs to be transported between the processing mechanisms to process the PCB in different processes in sequence.

In the process of conveying the PCB, due to the requirements of different processing mechanisms or the requirements of workshop arrangement, the conveying direction of the PCB at different conveying sections is different, such as vertical conveying of the PCB and horizontal conveying of the PCB.

Because the conveying directions of the upstream conveying section and the downstream conveying section are different, a turnover mechanism needs to be arranged between the upstream conveying section and the downstream conveying section so that the PCB output by the upstream conveying section can adapt to the conveying direction of the downstream conveying section.

Prior art canting mechanisms typically include a motor, an indexing disk and a rotating portion. The motor drives the rotating part to rotate, and the indexing disc is used as an angle division reference to control the rotating angle of the rotating part in each rotation. The positioning accuracy of the indexing disc is greatly influenced by the machining accuracy of the indexing disc and inertia during braking, positioning errors or accumulated errors can be caused, and the positioning accuracy can be reduced along with the time due to the abrasion and the heating of the brake disc.

Tilting mechanism among the prior art, the driving method that the motor output shaft directly links with the trip shaft of rotating part, this kind of axle and the rigid connection of axle, the degree of difficulty of processing and installation is higher. When the abnormal clamping plate occurs, the turnover mechanism is easily damaged, and the maintenance cost is increased.

Therefore, there is a need for an improved canting mechanism in the prior art.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect among the prior art, the utility model provides a PCB board tilting mechanism, its positioning accuracy is high, and its accuracy is not production error along with time lapse, can reduce the cost, the reducible damage to the mechanism when taking place unusual cardboard simultaneously.

The utility model provides a PCB board tilting mechanism, include:

the PCB board turnover device comprises a turnover unit, wherein the turnover unit comprises a rotating shaft, a plurality of clamping units are arranged on the rotating shaft to clamp a PCB board, any one of the clamping units is arranged perpendicular to the axis of the rotating shaft, and the arrangement direction of two adjacent clamping units has a first preset angle; and

the cam divider comprises an input shaft for inputting power and an output shaft which is perpendicular to the input shaft and can be driven by the input shaft to rotate intermittently; and the output shaft of the cam divider is connected with the rotating shaft so that the rotating shaft can rotate intermittently, and the PCB in the clamping unit is turned by a second preset angle.

Preferably, the PCB panel turnover mechanism includes a motor, and an output shaft of the motor is connected to an input shaft of the cam divider through a first timing belt to enable the cam divider to operate.

Further preferably, the motor is arranged below the cam divider, and the upper end of the motor and the lower end of the cam divider are fixed through a frame body.

Preferably, the rotating shaft and the output shaft of the cam divider are connected through a second synchronous belt.

Preferably, any one of the clamping units comprises a plurality of first rod bodies and a plurality of second rod bodies, the first rod bodies are distributed along the axial direction of the rotating shaft at intervals, the second rod bodies correspond to the first rod bodies, and a preset space is arranged between any one of the first rod bodies and the second rod bodies corresponding to the first rod bodies to accommodate the PCB.

Further preferably, a plurality of rollers are arranged on any one of the first rod bodies at intervals along the length direction of the first rod body, and any one of the rollers can rotate along the axis of the corresponding first rod body.

Preferably, a positioning sensor is installed on one side of the cam divider input shaft to acquire the motion parameters of the input shaft.

Preferably, the rotating shaft is sleeved with an installation block, and the clamping units are connected with the rotating shaft through the installation block.

The utility model has the advantages as follows:

the utility model discloses PCB board tilting mechanism adopts the cam wheel splitter to carry out the angle and cuts apart and replace traditional graduated disk, utilizes the auto-lock of cam wheel splitter and the characteristic that the angle was cut apart, can effectively improve the positioning accuracy to the clamping unit, and not produce the error along with time lapse to make the upset to the PCB board more accurate, the pay-off on next step of the PCB board of being convenient for.

The utility model discloses PCB board tilting mechanism, the output shaft of motor and cam wheel splitter's input shaft are connected through first hold-in range, and the axis of rotation of upset unit and cam wheel splitter's output shaft pass through the second hold-in range and are connected. Compare in the rigid connection of prior art axis and axle, the utility model discloses this kind of flexible transmission can reduce processing and installation requirement, reduces the cost, and the while is reducible when taking place unusual cardboard to the damage of mechanism, reduces the plant maintenance cost.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a PCB turnover mechanism in an embodiment of the present invention;

fig. 2 is a schematic structural view of the PCB turnover mechanism at another angle in the embodiment of the present invention;

reference numerals of the above figures: 1-a cam divider; 2-a motor; 3-a first rod body; 4-a roller; 5-a second rod body; 6-rotating shaft; 7-mounting a block; 8-a first synchronization belt; 9-a second synchronous belt; 10-a PCB board; 101-input shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model discloses a PCB board tilting mechanism, include:

the PCB overturning device comprises an overturning unit, wherein the overturning unit comprises a rotating shaft 6, a plurality of clamping units are arranged on the rotating shaft 6 to clamp a PCB 10, any one of the clamping units is arranged perpendicular to the axis of the rotating shaft 6, and the arrangement direction of two adjacent clamping units has a first preset angle; and

the cam divider 1 comprises an input shaft 101 for inputting power, and an output shaft which is perpendicular to the input shaft 101 and can rotate intermittently under the driving of the input shaft 101; the output shaft of the cam divider 1 is connected to the rotating shaft 6 so that the rotating shaft 6 can intermittently rotate, thereby turning the PCB board 10 in the clamping unit by a second preset angle.

Referring to fig. 1 to 2, the present embodiment provides a PCB board turnover mechanism including a cam divider 1, a turnover unit, and a motor 2. The PCB turnover mechanism of this embodiment is disposed between the first mechanism and the second mechanism, and is used for transferring the PCB 10 from the output end of the first mechanism to the input end of the second mechanism. When the PCB board 10 is outputted from the first mechanism output terminal, the direction thereof is a vertical direction. The second mechanism requires horizontal feeding of the PCB board 10. It is necessary to turn the PCB panel 10 by 90 ° from the vertical direction to the horizontal direction.

In the present embodiment, a four-position cam divider 1 is selected. Cam divider 1 includes an input shaft 101 and an output shaft that are perpendicular to each other.

The motor 2 and the input shaft 101 are connected to input power to the cam divider 1. The output shaft is driven by the input shaft 101 to rotate intermittently, and each time the output shaft rotates 90 degrees.

The motor 2 is arranged below the cam divider 1, and the output shaft of the motor 2 and the input shaft 101 of the cam divider 1 are arranged in parallel, so that the maximum utilization of the limited space can be realized.

The upper end of the motor 2 is fixed with the lower end of the cam divider 1 through the frame body, so that the transmission between the motor 2 and the cam divider 1 is more stable, and the stability of the whole structure of the PCB turnover mechanism can be improved.

Four clamping units are arranged on the overturning unit. The overturning unit comprises a rotating shaft 6 and a mounting block 7, the mounting block 7 is sleeved on the outer wall of the rotating shaft 6, and the mounting block 7 can move along with the rotating shaft 6. Four clamping units are all installed on the installation block 7, and any one clamping unit is perpendicular to the axis of the rotating shaft 6. An included angle of 90 degrees is formed between every two adjacent clamping units. The four holding units are used for holding the PCB board 10. The rotating shaft 6 of the turnover unit is connected with the output shaft of the cam divider 1, so that under the action of the cam divider 1, the turnover unit can rotate intermittently, the rotating angle is 90 degrees at each time, and the PCB 10 in any one clamping unit can be turned over by 90 degrees.

Any one of the clamping units comprises a plurality of first rod bodies 3 distributed at intervals along the axial direction of the rotating shaft 6 and a plurality of second rod bodies 5 arranged corresponding to the first rod bodies 3. Any one of the first rod bodies 3 and the corresponding second rod body 5 are oppositely arranged along the direction perpendicular to the axis of the rotating shaft 6, and a preset space is arranged between any one of the first rod bodies 3 and the corresponding second rod body 5 to accommodate the PCB 10. A plurality of rollers 4 are arranged on any one first rod body 3 along the length direction at intervals, and any one roller 4 can rotate along the axis of the corresponding first rod body 3.

The in-process that PCB board 10 got into the centre gripping unit, gyro wheel 4 on the first body of rod 3 that corresponds can roll under the effect of PCB board 10 to reduce the frictional resistance between centre gripping unit and PCB board 10, reduce the destruction to PCB board 10, guarantee that PCB board 10 pan feeding does not block and pause, promote PCB to get into the centre gripping unit fast, raise the efficiency.

The present embodiment is provided with a positioning sensor at one side of the force input shaft 101 of the cam divider 1 for capturing the motion parameters of the force input shaft 101. Thus, when the cam divider 1 completes one angular division, the position sensor can send a signal to the second mechanism, so that the second mechanism can acquire the turned PCB board 10.

Before the turnover mechanism of the embodiment is operated, one clamping unit is vertically and upwards arranged to receive the PCB 10 which is vertically supplied. When the PCB 10 is placed in the vertical upward clamping unit, the overturning unit rotates 90 degrees under the action of the cam divider 1, so that the PCB 10 is overturned to be horizontally arranged, and meanwhile, the other clamping unit is overturned to be vertically and upwardly arranged so as to receive the next incoming material.

The turnover mechanism in the prior art generally adopts a driving mode that a motor output shaft is directly connected with a turnover shaft of a rotating part, the shaft is rigidly connected with the shaft, and the difficulty of processing and installation is higher. When the abnormal clamping plate occurs, the turnover mechanism is easily damaged, and the maintenance cost is increased.

In the present embodiment, the output shaft of the motor 2 is connected to the input shaft 101 of the cam divider 1 through the first timing belt 8, and the rotating shaft 6 of the reversing unit is connected to the output shaft of the cam divider 1 through the second timing belt 9. Compared with the rigid connection between the middle shaft and the shaft in the prior art, the flexible transmission mode can reduce the processing and mounting requirements, reduce the cost, reduce the damage to the mechanism when an abnormal clamping plate occurs, and reduce the equipment maintenance cost.

Adopt cam wheel splitter 1 to carry out the angle in this embodiment and cut apart, because the auto-lock of cam wheel splitter 1 and the characteristic that the angle was cut apart, can effectively improve the positioning accuracy to the clamping unit, and not produce the error along with time lapse to make the upset to PCB board 10 more accurate, the pay-off of PCB board 10 on next step of being convenient for.

The utility model discloses the principle and the implementation mode of the utility model are explained by applying the concrete embodiment, and the explanation of the above embodiment is only used for helping to understand the technical scheme and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. The utility model provides a PCB board tilting mechanism which characterized in that includes:

2. The PCB board turnover mechanism according to claim 1, wherein the PCB board turnover mechanism includes a motor, an output shaft of the motor and an input shaft of the cam divider are connected by a first timing belt to enable the cam divider to operate.

3. The PCB board turnover mechanism of claim 2, wherein the motor is arranged below the cam divider, and an upper end of the motor and a lower end of the cam divider are fixed through a frame body.

4. The PCB board turnover mechanism according to claim 1, wherein the rotation shaft is connected to the output shaft of the cam divider through a second timing belt.

5. The PCB turnover mechanism of claim 1, wherein any one of the clamping units includes a plurality of first rods and a plurality of second rods, the first rods are spaced apart from each other along an axis of the rotation shaft, the second rods correspond to the first rods, and a predetermined space is defined between any one of the first rods and the second rod corresponding to the first rod to accommodate the PCB.

6. The PCB board turnover mechanism of claim 5, wherein a plurality of rollers are arranged on any one of the first rods at intervals along the length direction of the first rod, and any one of the rollers can rotate along the axis of the corresponding first rod.

7. The PCB turnover mechanism of claim 1, wherein a positioning sensor is installed at one side of the cam divider input shaft to obtain the motion parameters of the input shaft.

8. The PCB board turnover mechanism of claim 1, wherein the rotation shaft is sleeved with a mounting block, and the plurality of clamping units are connected with the rotation shaft through the mounting block.