CN218905525U

CN218905525U - Circuit board corner cutting machine

Info

Publication number: CN218905525U
Application number: CN202223161794.9U
Authority: CN
Inventors: 王长尚; 张纪充; 张国燕
Original assignee: Shenzhen Chihang New Energy Co ltd
Current assignee: Shenzhen Chihang New Energy Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-04-25
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a circuit board corner cutting machine, and relates to the technical field of electronic circuits. The utility model comprises a machine body and a corner cutting mechanism, wherein the corner cutting mechanism is movably connected inside the machine body; the machine body comprises a dustproof mesh cover, a ventilating fan and a collecting chamber, wherein the ventilating fans are fixedly connected in channels on the left and right inner walls of the collecting chamber on the outer sides of the two dustproof mesh covers; the corner cutting mechanism comprises a linear conveying module and a conveying belt, and the upper parts of the two linear conveying modules are movably connected with the conveying belt. The utility model solves the problems that the circuit board corner cutting machine is easy to produce metal powder pollution and is troublesome to adjust through the machine body and the corner cutting mechanism.

Description

Circuit board corner cutting machine

Technical Field

The utility model belongs to the technical field of electronic circuits, and particularly relates to a circuit board corner cutting machine.

Background

A PCB, a printed wiring board, is one of the important components of the electronics industry. Almost every electronic device, as small as an electronic watch, a calculator, as large as a computer, a communication electronic device, a military weapon system, has only electronic components such as an integrated circuit, and a printed board is used for electrically interconnecting the respective components. The printed circuit board consists of an insulating base plate, connecting wires and bonding pads for assembling and welding electronic elements, and has the dual functions of a conductive circuit and the insulating base plate. The wiring device can replace complex wiring, realizes electric connection among elements in a circuit, simplifies assembly and welding work of electronic products, reduces wiring workload in a traditional mode, and greatly lightens labor intensity of workers; and the whole volume is reduced, the product cost is reduced, and the quality and the reliability of the electronic equipment are improved. The printed circuit board has good product consistency, can adopt standardized design, and is favorable for realizing mechanization and automation in the production process. Meanwhile, the whole printed circuit board subjected to assembly and debugging can be used as an independent spare part, so that the whole machine product can be conveniently exchanged and maintained. At present, the printed circuit board is widely applied to electronic products, but the existing circuit board still has the following defects in production and manufacture:

after the spot welding of the existing circuit board, a relatively protruding welding head is remained on the circuit board, in order to avoid the damage of welding spots in the installation process, redundant welding feet are cut off, when the welding feet are cut off by the existing corner cutting machine, metal powder and the welding feet generated by cutting off are easy to diffuse to the periphery, so that heavy metal pollution of surrounding air is caused, the existing circuit board conveying equipment is difficult to adjust, the existing circuit board conveying equipment is generally fixed in the machine, and only the circuit board with the specified size can be processed.

Therefore, the conventional circuit board chamfering machine cannot meet the requirements in practical use, so that an improved technology is urgently needed in the market to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a circuit board corner cutting machine, which solves the problems that the existing circuit board corner cutting machine is easy to produce metal powder pollution and is troublesome to adjust through a machine body and a corner cutting mechanism.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a circuit board corner cutting machine which comprises a machine body and a corner cutting mechanism, wherein the corner cutting mechanism is movably connected inside the machine body;

the machine body comprises a dustproof mesh cover, a ventilator and a collecting chamber, wherein the ventilator is fixedly connected in a channel of the left and right inner walls of the collecting chamber at the outer sides of the two dustproof mesh covers; the dust screen is used for blocking metal powder generated in the process of cutting the welding pins, avoiding heavy metal pollution of surrounding air caused by the fact that the dust screen is pulled by gas, the ventilating fan is used for exchanging gas in the collecting chamber, so that powder and the welding pins are generated by cutting and guided into the collecting chamber, the dust is prevented from diffusing to the surrounding, the welding of the bottom surface of the circuit board is rapidly cut by the cutter under the action of the corner cutting motor in the conveying process of the circuit board, and residual pins and dust generated in the cutting process enter the collecting chamber under the action of the ventilating fan;

the corner cutting mechanism comprises a linear conveying module and a conveying belt, and the upper parts of the two linear conveying modules are movably connected with the conveying belt; the linear conveying module can realize the left-right movement of the conveying belt in the case, the position of the conveying belt can be quickly and conveniently adjusted, so that the corner cutting requirements of circuit boards with different sizes can be met, the production and the use of the circuit boards are more convenient, when the welding legs of the circuit boards are cut off, the linear conveying module can be controlled to push and pull the conveying belt back according to the size of the circuit boards, and the interval between the conveying belts can be adjusted.

Further, the machine body further comprises a machine case and a corner cutting chamber, wherein the corner cutting chamber is arranged above the interior of the machine case, and the collecting chamber is arranged below the interior of the machine case;

dust guard covers are fixedly connected to the inner walls of the left side and the right side of the collecting chamber in the case, and ventilation fans are fixedly connected to the channels of the case outside the two dust guard covers; the chassis is used for connecting and fixing all mechanisms, and the corner cutting chamber is a place where the corner cutting mechanism is fixed.

Further, the corner cutting mechanism further comprises a corner cutting motor which is fixedly connected to the bottom of the collecting chamber;

the corner cutting mechanism further comprises a clamping belt and a cutter, wherein the clamping belt is arranged in the middle of the outer side surface of the conveying belt, the cutter is arranged between the conveying belts, and the lower part of the cutter is fixedly connected with a corner cutting motor;

a trapezoid clamping groove is formed in the clamping belt; the corner cut motor is used for driving the cutter, cutting off the welding legs, and the clamping belt is used for assisting the conveying belt in conveying the circuit board.

The utility model has the following beneficial effects:

1. the utility model solves the problem that the existing circuit board corner cutting machine is easy to produce metal powder pollution by arranging the machine body and the corner cutting mechanism, wherein the machine body is internally provided with the dustproof mesh cover, the ventilating fan and the collecting chamber, the dustproof mesh cover is used for blocking metal powder produced in the process of cutting welding pins, avoiding heavy metal pollution of surrounding air caused by the fact that the dustproof mesh cover is pulled out along with gas, and the ventilating fan is used for exchanging gas in the collecting chamber, so that the cutting is carried out to produce powder and guide the welding pins to the inside of the collecting chamber, and avoiding diffusion to the surrounding.

2. The utility model solves the problem of troublesome adjustment of the traditional circuit board corner cutting machine by arranging the machine body and the corner cutting mechanism, wherein the corner cutting mechanism is provided with the linear conveying module and the conveying belt, the linear conveying module can realize the left and right movement of the conveying belt in the machine case, and the position of the conveying belt can be quickly and conveniently adjusted, so that the corner cutting requirements of circuit boards with different sizes can be met, and the production and the use of the circuit boards are more convenient.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a disassembled view of the present utility model;

FIG. 3 is a cross-sectional view of the body of the present utility model;

FIG. 4 is a schematic diagram of a linear conveyor module and conveyor belt of the present utility model;

fig. 5 is a schematic view of the angle cutter motor and cutter of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a body; 101. a chassis; 102. a dust-proof net cover; 103. a ventilator; 104. a chamfer chamber; 105. a collection chamber; 2. a corner cutting mechanism; 201. a linear transfer module; 202. a conveyor belt; 203. a clamping belt; 204. a corner cutting motor; 205. and (5) a cutter.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-5, the utility model discloses a circuit board corner cutting machine, which comprises a machine body 1 and a corner cutting mechanism 2, wherein the corner cutting mechanism 2 is movably connected in the machine body 1;

the machine body 1 comprises a dust screen 102, a ventilator 103 and a collecting chamber 105, wherein the ventilator 103 is fixedly connected in a channel of the left and right inner walls of the collecting chamber 105 at the outer sides of the two dust screens 102;

the dust screen 102 is an isolation structure arranged between the aggregate chamber 105 and the ventilator 103, and is used for blocking metal powder generated in the process of cutting welding pins, avoiding heavy metal pollution of surrounding air caused by the fact that the metal powder is pulled out along with gas, the ventilator 103 is fixed in a through channel in the case 101 at the left side and the right side of the aggregate chamber 105 and used for exchanging gas in the aggregate chamber 105, so that powder and welding pins are generated in cutting and guided into the aggregate chamber 105, the powder and the welding pins are prevented from diffusing to the periphery, the cutter 205 can pass through in the process of conveying a circuit board, the cutter 205 can rapidly cut welding of the bottom surface of the circuit board under the action of the corner cutting motor 204, and residual pins and dust generated in the cutting process can enter the aggregate chamber 105 under the action of the ventilator 103;

the corner cutting mechanism 2 comprises a linear conveying module 201 and a conveying belt 202, and the upper parts of the two linear conveying modules 201 are movably connected with the conveying belt 202;

the linear conveying modules 201 are linear conveying equipment, the linear conveying equipment is symmetrically fixed on the table top of the corner cutting chamber 104, the upper part of the conveying seat of the linear conveying module is fixed with the conveying belt 202, the conveying belt 202 can move left and right in the chassis 101, the position of the conveying belt 202 can be quickly and conveniently adjusted, the corner cutting requirements of circuit boards with different sizes can be met, the production and the use of the circuit boards are more convenient, when the welding legs of the circuit boards are cut off, the linear conveying modules 201 can be controlled to push the conveying belt 202 back according to the size of the circuit boards, and the interval between the conveying belts 202 can be adjusted.

1-3, the machine body 1 further comprises a machine case 101 and a corner cutting chamber 104, the corner cutting chamber 104 is arranged above the interior of the machine case 101, and the collecting chamber 105 is arranged below the interior of the machine case 101;

the inner walls of the left side and the right side of the collecting chamber 105 in the case 101 are fixedly connected with dust guard covers 102, and ventilation fans 103 are fixedly connected in channels of the case 101 outside the two dust guard covers 102;

the casing 101 is a main body of the apparatus for connecting and fixing the mechanisms, and the corner cutting chamber 104 is provided above the inside of the casing 101, and the collection chamber 105 is provided below the inside of the casing, and is a place where the corner cutting mechanism 2 is fixed.

As shown in fig. 1, 2, 4 and 5, the corner cutting mechanism 2 further comprises a corner cutting motor 204, and the corner cutting motor 204 is fixedly connected to the bottom of the material collecting chamber 105;

the corner cutting mechanism 2 further comprises a clamping belt 203 and a cutter 205, the clamping belt 203 is arranged in the middle of the outer side face of the conveying belt 202, the cutter 205 is arranged between the conveying belts 202, and the lower part of the cutter 205 is fixedly connected with the corner cutting motor 204;

a trapezoid clamping groove is formed in the clamping belt 203;

the chamfer motor 204 is fixed in the interior of the collecting chamber 105, the upper end of the shaft of the chamfer motor is fixed with the cutter 205 through a bolt and used for driving the cutter 205 to cut off welding pins, the clamping belt 203 is a circuit board conveying clamping structure on the outer side surface of the conveying belt 202, the interior of the clamping belt is trapezoid, the mouth end is narrow, and the interior is wide and used for assisting the conveying belt 202 in conveying the circuit board.

One specific application of this embodiment is: when cutting off the soldering feet of the circuit board, firstly, the linear conveying module 201 is controlled to push or pull back the conveying belt 202 according to the size of the circuit board, the distance between the conveying belts 202 is adjusted, then a device is started, the soldering feet of the circuit board face downwards and are pushed between the conveying belts 202 through the clamping belts 203 on the conveying belts 202, the conveying belts 202 can convey the circuit board to the other side at uniform speed, in the conveying process, the circuit board can pass through the cutter 205, the cutter 205 can rapidly cut the bottom surface of the circuit board for welding under the action of the corner cutting motor 204, and the residual feet and dust generated in the cutting process can enter the inside of the collecting chamber 105 under the action of the ventilating fan 103.

The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.

Claims

1. The utility model provides a circuit board corner cut machine, includes organism (1) and corner cut mechanism (2), its characterized in that: the inside of the machine body (1) is movably connected with an angle cutting mechanism (2);

the machine body (1) comprises a dustproof mesh cover (102), a ventilator (103) and a collecting chamber (105), wherein the ventilator (103) is fixedly connected in a channel of the left and right inner walls of the collecting chamber (105) at the outer sides of the two dustproof mesh covers (102);

the corner cutting mechanism (2) comprises a linear conveying module (201) and a conveying belt (202), and the upper parts of the two linear conveying modules (201) are movably connected with the conveying belt (202).

2. The circuit board corner cutting machine according to claim 1, wherein: the machine body (1) further comprises a machine case (101) and a corner cutting chamber (104), the corner cutting chamber (104) is arranged above the interior of the machine case (101), and a collecting chamber (105) is arranged below the interior of the machine case (101).

3. A circuit board corner cutting machine according to claim 2 wherein: dust guard (102) is fixedly connected to inner walls of left and right sides of an aggregate chamber (105) in the case (101), and ventilation fans (103) are fixedly connected to channels of the case (101) outside the two dust guard (102).

4. The circuit board corner cutting machine according to claim 1, wherein: the corner cutting mechanism (2) further comprises a corner cutting motor (204), and the corner cutting motor (204) is fixedly connected to the bottom of the material collecting chamber (105).

5. The circuit board corner cutting machine of claim 4, wherein: the corner cutting mechanism (2) further comprises a clamping belt (203) and a cutter (205), the clamping belt (203) is arranged in the middle of the outer side face of the conveying belt (202), the cutter (205) is arranged between the conveying belts (202), and the lower part of the cutter (205) is fixedly connected with a corner cutting motor (204).

6. The circuit board corner cutting machine of claim 5, wherein: a trapezoid clamping groove is formed in the clamping belt (203).