CN221010424U

CN221010424U - PCB (printed circuit board) die assembly

Info

Publication number: CN221010424U
Application number: CN202322579138.9U
Authority: CN
Inventors: 张海燕; 陈淑芳; 周如梅
Original assignee: Suzhou Changyingan Automation Technology Co ltd
Current assignee: Suzhou Changyingan Automation Technology Co ltd
Priority date: 2023-09-22
Filing date: 2023-09-22
Publication date: 2024-05-24
Anticipated expiration: 2033-09-22

Abstract

The utility model discloses a PCB press mold assembly, which relates to the technical field of shell press molding equipment and comprises a press mold frame, wherein a pressing servo motor is arranged above the press mold frame, the output end of the pressing servo motor is in transmission connection with a transmission screw, the lower end of the press mold frame is fixedly connected with a mounting frame, and the middle parts and the two ends of the two sides of the mounting frame are fixedly connected with guide sleeves.

Description

PCB (printed circuit board) die assembly

Technical Field

The utility model relates to the technical field of shell pressing equipment, in particular to a PCB (printed circuit board) pressing module assembly.

Background

In the manufacture of PCBs, the lamination process generally refers to laminating copper foil, prepreg and core board (inner layer) of a finished circuit in a certain order, then hot-pressing the copper foil, prepreg and core board (inner layer) by a hot press, fusing the copper foil, prepreg and core board into a whole under high temperature and high pressure, transferring the copper foil, prepreg and core board to another production line for cold pressing, releasing stress, and ensuring flatness of the product.

In the prior art, when the pressing die assembly in the pressing equipment is used, guide sleeve guide posts at four corners are easy to deviate, so that the flatness of the formed PCB is poor when film pressing is performed, and the qualification rate of PCB production is reduced.

Disclosure of utility model

The utility model aims to solve the problems that in the prior art, when a die assembly in pressing equipment is used, guide sleeve guide posts at four corners are easy to deviate, so that the flatness of a formed PCB is poor and the qualification rate of PCB production is reduced when film pressing is performed.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a PCB board die assembly, includes the die carrier, the top of die carrier is provided with pushes down servo motor, the output transmission of pushing down servo motor is connected with drive screw, the lower extreme fixedly connected with mounting bracket of die carrier, the middle part and the equal fixedly connected with guide pin bushing in both sides of mounting bracket, the inside sliding connection of guide pin bushing has the guide pillar, six fixedly connected with leading truck between the upper and lower extreme of guide pillar, the equal fixedly connected with pressure sensor in middle part both sides of leading truck both sides limit, pressure sensor's upper end fixedly connected with spring, four fixedly connected with driving plate between the upper end of spring, driving plate and drive screw threaded connection, drive screw's lower extreme and mounting bracket rotate to be connected.

Preferably, a copper mold is installed at the lower end of the guide frame, and an upper pressing plate is installed at the lower end of the copper mold.

Preferably, both sides of the upper pressing plate are fixedly connected with limiting side plates.

Preferably, a heating groove is formed in the upper pressing plate.

Preferably, the communication square holes are formed in two sides of the middle of the two sides of the mounting frame, and the pressure sensor is located in the communication square holes.

Preferably, the four corners of the lower end of the die frame are fixedly connected with supporting rods.

Compared with the prior art, the utility model has the advantages and positive effects that:

According to the utility model, through the arrangement of the pressure sensors, the six groups of guide sleeves and the guide posts, the pressure of the four corners of the guide frame can be detected through the four pressure sensors during compression molding, so that the forces of the four corners are obtained, the pressure detection is carried out on a plurality of pressure points, and the pressure detection can be timely adjusted when the pressure is uneven, so that the rejection rate is reduced, the press fit effect on the PCB is effectively improved, the six guide posts and the guide sleeves are matched, the distribution is uniform, the moving direction of the guide frame is limited to a greater extent, the flatness is improved, and the rejection rate is further reduced.

Drawings

Fig. 1 is a schematic diagram of a first perspective structure of a press mold assembly of a PCB board according to the present utility model;

fig. 2 is a schematic diagram showing a second perspective structure of a press mold assembly of a PCB board according to the present utility model;

fig. 3 is a schematic diagram of a third perspective structure of a press mold assembly of a PCB board according to the present utility model.

Legend description: 1. a die pressing frame; 2. a support rod; 3. pressing down the servo motor; 4. a copper mold; 5. an upper press plate; 6. a heating tank; 7. a limit side plate; 8. a mounting frame; 9. guide sleeve; 10. a guide post; 11. a pressure sensor; 12. a spring; 13. a guide frame; 14. a communicating square hole; 15. a transmission screw; 16. and a driving plate.

Description of the embodiments

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Examples

As shown in fig. 1-3, the utility model provides a Printed Circuit Board (PCB) pressing die assembly, which comprises a pressing die frame 1, wherein a pressing servo motor 3 is arranged above the pressing die frame 1, the output end of the pressing servo motor 3 is in transmission connection with a transmission screw 15, the lower end of the pressing die frame 1 is fixedly connected with a mounting frame 8, the middle parts and the two ends of the two sides of the mounting frame 8 are fixedly connected with guide sleeves 9, guide posts 10 are slidably connected inside the guide sleeves 9, guide frames 13 are fixedly connected between the upper ends and the lower ends of the six guide posts 10, pressure sensors 11 are fixedly connected on the two sides of the middle parts of the two sides of the guide frames 13, springs 12 are fixedly connected to the upper ends of the pressure sensors 11, driving plates 16 are fixedly connected between the upper ends of the four springs 12, the driving plates 16 are in threaded connection with the transmission screw 15, and the lower ends of the transmission screw 15 are in rotary connection with the mounting frame 8.

The specific setting and action of this embodiment are specifically described below, through the setting of pressure sensor 11 and six guide pin bushing 9 and guide pillar 10, can detect the pressure of four bight of leading truck 13 through four pressure sensor 11 during the moulding-die, thereby obtain the power of four bight, detect a plurality of pressure points with this, can in time adjust when the pressure is uneven, thereby reduce the rejection rate, effectively improve the pressfitting effect to the PCB board, the cooperation of six guide pillar 10 and guide pin bushing 9 is cooperated, the distribution is even, make the direction of movement of leading truck 13 obtain great limit, thereby improve the roughness, further reduce the rejection rate.

Examples

As shown in fig. 1-3, copper mold 4 is installed to the lower extreme of leading truck 13, upper platen 5 is installed to the lower extreme of copper mold 4, limit side board 7 is all fixedly connected with in both sides of upper platen 5, heating tank 6 has been seted up to the inside of upper platen 5, intercommunication square hole 14 has all been seted up to the middle part both sides of mounting bracket 8 both sides limit, pressure sensor 11 is located the inside of intercommunication square hole 14, four bight all fixedly connected with bracing piece 2 of die holder 1 lower extreme, intercommunication square hole 14 is used for guaranteeing that pressure sensor 11 can pass mounting bracket 8, in order to guarantee the normal operating of this equipment, heating tank 6 is used for installing the heating rod, whether opening through the control heating rod, realize the hot pressing or cold pressing to the work piece, limit side board 7 adopts the mode of bolt to install with upper platen 5, through this setting for when the tool is installed on the lower platen, can place the tool on the horizontal part of two limit side board 7 earlier, the support to the tool through limit side board 7, can avoid the problem that need with the tool long-time in the tool installation, the effectual jig of saving, the practicality is convenient to install.

The application method and the working principle of the device are as follows: when the device is used, the driving screw rod 15 is driven by the downward-pressing servo motor 3 to rotate, so that the driving plate 16 is driven to move, the pressure sensor 11 can be pushed to move downwards by controlling the movement of the driving plate 16, the guide frame 13 is driven to move, the guide post 10 slides in the guide sleeve 9, the moving direction of the guide frame 13 is controlled, the PCB board is pressed in a hot pressing or cold pressing mode by controlling the opening and closing of a heating rod in the heating groove 6, when the upper pressing plate 5 is pressed in contact with a workpiece, the spring 12 is elastically deformed due to the reaction force, so that the force is applied to the pressure sensor 11, the force is fed back to the control equipment after the force is detected by the pressure sensor 11, when the forces detected by the four pressure sensors 11 are consistent, the pressure of each pressure point is judged to be uniform, if the feedback values of one or more pressure sensors 11 are inconsistent, the stress of the corresponding pressure points is different, namely the stress is uneven, and the stress is adjusted and maintained in time.

The present utility model is not limited to the above embodiments, and any equivalent embodiments which can be changed or modified by the technical disclosure described above can be applied to other fields, but any simple modification, equivalent changes and modification to the above embodiments according to the technical matter of the present utility model will still fall within the protection scope of the technical disclosure.

Claims

1. The utility model provides a PCB board die assembly, includes die carrier (1), its characterized in that: the automatic pressing device is characterized in that a pressing servo motor (3) is arranged above the pressing die frame (1), a transmission screw (15) is connected to the output end of the pressing servo motor (3) in a transmission mode, a mounting frame (8) is fixedly connected to the lower end of the pressing die frame (1), guide sleeves (9) are fixedly connected to the middle portions and the two ends of the two sides of the mounting frame (8), guide posts (10) are slidably connected to the inner portions of the guide sleeves (9), six guide brackets (13) are fixedly connected between the upper ends and the lower ends of the guide posts (10), pressure sensors (11) are fixedly connected to the two sides of the middle portions of the two sides of the guide brackets (13), a driving plate (16) is fixedly connected to the upper ends of the springs (12), and the driving plate (16) is in threaded connection with the transmission screw (15), and the lower ends of the transmission screw (15) are rotationally connected to the mounting frame (8).

2. The PCB board die assembly of claim 1, wherein: the lower extreme of leading truck (13) is installed copper mould (4), top board (5) is installed to the lower extreme of copper mould (4).

3. A PCB board die assembly as set forth in claim 2, wherein: both sides of the upper pressing plate (5) are fixedly connected with limiting side plates (7).

4. A PCB board die assembly according to claim 3, wherein: a heating groove (6) is formed in the upper pressing plate (5).

5. The PCB board die assembly of claim 1, wherein: the two sides of the middle part of the two sides of the mounting frame (8) are provided with square communicating holes (14), and the pressure sensor (11) is positioned in the square communicating holes (14).

6. The PCB board die assembly of claim 1, wherein: the four corners of the lower end of the die pressing frame (1) are fixedly connected with supporting rods (2).