Edge grinding mechanism for PCB

By designing an automated PCB edge grinding mechanism, the problems of low efficiency and low precision in manual grinding have been solved, achieving efficient and precise PCB edge grinding and improving production efficiency and yield.

CN223630058UActive Publication Date: 2025-12-05DYNAMIC ELECTRONICS KUNSHAN
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422934136.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-12-05
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

In the PCB manufacturing process, edge grinding requires manual operation, resulting in low production efficiency, low precision, and low yield.

Method used

Design an automated edge grinding mechanism that includes a frame body, a conveyor belt, a buffer section, a fixing section, and a grinding section. The mechanism utilizes drive components and a grinding machine to achieve automatic grinding of PCB boards, including the coordinated operation of the buffer belt, limit components, fixing components, and grinding machine.

Benefits of technology

The process of PCB board polishing has been automated, improving production efficiency and precision, reducing manual intervention, and increasing yield.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223630058U_ABST
    Figure CN223630058U_ABST
Patent Text Reader

Abstract

The utility model discloses an edge grinding mechanism for a PCB. The edge grinding mechanism comprises a rack body, a conveying belt, a temporary storage part, a fixing part and a grinding part, wherein the conveying belt, the temporary storage part, the fixing part and the grinding part are installed on the rack body. The caching part comprises a first driving element, a caching belt and a caching plate for driving the caching belt to swing upwards / downwards, and the first driving element can drive the caching belt to swing upwards / downwards; the fixing part comprises a limiting assembly and a fixing assembly which are mounted on the rack body, and further comprises a driving assembly for driving the PCB to move forwards; the limiting assembly comprises a limiting plate and a second driving element for driving the limiting plate to move upwards / downwards; the fixing assembly comprises a fixing plate installed on the rack body and a third driving element driving the fixing plate to move upwards / downwards. According to the utility model, the corner polishing of the PCB can be automatically completed, and the production efficiency is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of PCB board production, especially relates to an edge grinding mechanism for PCB board. BACKGROUND

[0002] PCB is printed circuit board, and is called printed board, and is one of important components of electronic industry. Almost every kind of electronic equipment, small to electronic watch, calculator, large to computer, communication electronic equipment, military weapon system, as long as integrated circuit and other electronic components, in order to make the electrical interconnection between various components, printed board is used. Printed circuit board is composed of insulating base plate, connecting wire and pad for assembling and welding electronic component, has the dual role of conducting wire and insulating base plate. It can replace complex wiring, realize the electrical connection between various components in the circuit, not only simplify the assembly, welding work of electronic product, reduce the wiring workload under traditional mode, greatly reduce the labor intensity of workers, and the volume of whole machine is reduced, product cost is reduced, and the quality and reliability of electronic equipment are improved. Printed circuit board has good product consistency, it can adopt standardization design, and be favorable to realize mechanization and automation in the production process. Meanwhile, the whole printed circuit board after assembly and debugging can be used as an independent spare part, and the interchange and maintenance of whole machine product are facilitated.

[0003] At present, there is a process in the production of PCB board, which needs to polish the outer edge of the PCB board, the purpose is to remove the burr, form smooth corner, or sometimes need to polish a certain angle of slope foot, facilitate the installation of pin, but at present, these operations need manual operation, and the production efficiency is low, the precision is low, and the yield is not high. UTILITY MODEL CONTENTS

[0004] To solve the above technical problems, one technical scheme of the utility model is as follows:

[0005] An edge grinding mechanism for PCB board, comprising a rack body and a conveying belt, a buffer part, a fixing part and a polishing part installed on the rack body,

[0006] The buffer part comprises a first driving element, a buffer belt and a buffer plate for swinging the buffer belt up / down, the buffer plate is arranged on the output end of the first driving element, and the first driving element can swing the buffer belt up / down,

[0007] The fixing part comprises a limiting assembly and a fixing assembly installed on the rack body, and further comprises a driving assembly for driving the forward movement of the PCB board,

[0008] The limiting assembly comprises a limiting plate and a second driving element for driving the upward / downward movement of the limiting plate,

[0009] The fixing assembly comprises a fixing plate fixed on the rack body and a third driving element for driving the fixing plate to move upward / downward.

[0010] The driving assembly comprises a driving plate and a fourth driving element for driving the driving plate to move forward / backward.

[0011] Further, the polishing part comprises a polishing rack and a polishing machine for polishing the PCB and a fifth driving element for driving the polishing machine to move upward / downward / leftward / rightward.

[0012] Further, the buffer belt is a roller and a plurality of belts wound on the roller, which can drive the belts to rotate when the roller rotates.

[0013] Further, the polishing rack is fixedly connected with the rack body, and an angle between a tilting direction of the polishing rack and a horizontal direction of the rack body is 0-60°.

[0014] Further, the second driving element, the third driving element and the fourth driving element are air cylinders.

[0015] The present application has the following advantages:

[0016] When the present application feeds, the PCB enters the buffer part, at this time, the buffer part is flush with the conveying belt, after the PCB enters the buffer part, the buffer plate moves downward, the buffer belt rotates, drives the PCB to continue downward movement, enters the fixing part, at this time, the buffer part resets, waits for the next PCB, the PCB in the fixing part is pushed forward, is limited after being limited by the limiting plate, the fixing plate is pressed to fix, at this time, the polishing machine can polish the side edge, completes the polishing process, the present application is autonomous in the whole process, does not need manual participation, improves production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is the whole structure schematic view of the present application;

[0018] Figure 2 is the buffer part schematic view of the present application;

[0019] Figure 3 is the fixing part schematic view of the present application;

[0020] Figure 4 is the limiting assembly schematic view of the present application;

[0021] Figure 5 is the polishing part schematic view of the present application;

[0022] Figure 6 is the PCB fixing principle schematic view of the present application;

[0023] The parts in the drawings are marked as follows:

[0024] 1, rack body; 2, conveying belt; 3, buffer part; 31, buffer belt; 32, buffer plate; 33, first driving element; 4, fixed part; 41, limiting assembly; 411, limiting plate; 412, second driving element; 42, fixed assembly; 421, third driving element; 422, fixed plate; 43, driving assembly; 431, driving plate; 432, fourth driving element; 5, polishing part; 51, polisher; 52, fifth driving element; 53, polisher rack. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present application are described in detail below with reference to the drawings, so that the advantages and features of the present application can be more easily understood by those skilled in the art, and the scope of protection of the present application can be more clearly defined.

[0026] Embodiment:

[0027] As Figures 1 to 6 shown, an edge polishing mechanism for PCB, comprising a rack body 1 and a conveying belt 2, a buffer part 3, a fixed part 4 and a polishing part 5 installed on the rack body 1; specifically, the polishing part 5 comprises a polisher rack 53 and a polisher 51 for polishing the PCB and a fifth driving element 52 for driving the polisher 51 to move upward / downward / leftward / rightward. Specifically, the polisher rack 53 is fixedly connected with the rack body 1, and the angle between the inclined direction of the polisher rack 53 and the horizontal direction of the rack body 1 is 45°.

[0028] The buffer part 3 comprises a first driving element 33, a buffer belt 31 and a buffer plate 32 for swinging the buffer belt 31 upward / downward, the buffer plate 32 is arranged at the output end of the first driving element 33, and the first driving element 33 can swing the buffer belt 31 upward / downward; specifically, the buffer belt 31 is a roller and a plurality of belts wound around the roller, and when the roller rotates, it can drive the belts to rotate.

[0029] The fixed part 4 comprises a limiting assembly 41 and a fixed assembly 42 installed on the rack body 1, and further comprises a driving assembly 43 for driving the PCB to move forward.

[0030] The limiting assembly 41 comprises a limiting plate 411 and a second driving element 412 for driving the limiting plate 411 to move upward / downward; specifically, the second driving element 412, the third driving element 421 and the fourth driving element 432 are air cylinders.

[0031] The fixing assembly 42 comprises a fixing plate 422 fixed on the rack body 1 and a third driving element 421 for driving the fixing plate 422 to move upward / downward.

[0032] The driving assembly 43 comprises a driving plate 431 and a fourth driving element 432 for driving the driving plate 431 to move forward / backward.

[0033] The above is only the embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structural transformation or direct or indirect application in other related technical fields by using the content of the present application specification and drawings is also included in the patent protection range of the present application.

Claims

1. An edge grinding mechanism for a PCB board, characterized by: The machine frame body (1) and the conveying belt (2), the buffer part (3), the fixing part (4) and the polishing part (5) installed on the machine frame body (1) are included. The buffer part (3) includes a first driving element (33), a buffer belt (31) and a buffer plate (32) for swinging the buffer belt (31) up / down, the buffer plate (32) is arranged at the output end of the first driving element (33), and the first driving element (33) can swing the buffer belt (31) up / down. The fixing part (4) includes a limiting assembly (41) and a fixing assembly (42) installed on the machine frame body (1), and further includes a driving assembly (43) for driving the PCB board to move forward. The limiting assembly (41) includes a limiting plate (411) and a second driving element (412) for driving the limiting plate (411) to move up / down. The fixing assembly (42) includes a fixing plate (422) installed on the machine frame body (1) and a third driving element (421) for driving the fixing plate (422) to move up / down. The driving assembly (43) includes a driving plate (431) and a fourth driving element (432) for driving the driving plate (431) to move forward / backward.

2. The edge grinding mechanism for PCBs according to claim 1, characterized in that: The polishing part (5) includes a polishing frame (53), a polishing machine (51) for polishing the PCB board and a fifth driving element (52) for driving the polishing machine (51) to move up / down / left / right.

3. The edge grinding mechanism for PCBs according to claim 1, characterized in that: The buffer belt (31) is a roller and a plurality of belts wound on the roller, when the roller rotates, the belts can be driven to rotate.

4. The edge grinding mechanism for PCBs according to claim 2, characterized in that: The polishing frame (53) is fixedly connected with the machine frame body (1), and the inclination direction of the polishing frame (53) and the horizontal direction of the machine frame body (1) form an angle of 0-60°.

5. The edge grinding mechanism for PCBs according to claim 1, characterized in that: The second driving element (412), the third driving element (421) and the fourth driving element (432) are air cylinders.