CN219068496U

CN219068496U - PCB anti-straight machine

Info

Publication number: CN219068496U
Application number: CN202222500316.XU
Authority: CN
Inventors: 郑栋; 段军; 缪勇
Original assignee: Dongguan Dinglu Electronic Technology Co ltd
Current assignee: Dongguan Dinglu Electronic Technology Co ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2023-05-23
Anticipated expiration: 2032-09-21

Abstract

The utility model relates to the technical field of PCB (printed circuit board) production and manufacturing, in particular to a PCB anti-straightening machine, which comprises a heating component, a straightening component and a cooling component which are sequentially arranged; the heating assembly comprises an upper heating device, a lower heating device arranged below the upper heating device and a heating conveying device arranged between the upper heating device and the lower heating device; the straightening assembly comprises a first upper roller device, a second upper roller device and a lower roller device, wherein the second upper roller device is arranged side by side with the first upper roller device, and the lower roller device is arranged below the first upper roller device and the second upper roller device; the cooling assembly includes an upper fan assembly, a lower fan assembly disposed below the upper fan assembly, and a cooling delivery assembly disposed between the upper fan assembly and the lower fan assembly. The utility model realizes the full automatic operation of heating, reversing and cooling, and improves the working efficiency.

Description

PCB anti-straight machine

Technical Field

The utility model relates to the technical field of PCB (printed circuit board) production and manufacturing, in particular to a PCB anti-straightening machine.

Background

PCB boards, i.e. printed circuit boards, also called printed wiring boards, are important electronic components. In the production and processing process of the PCB board, deformation may occur, so that it is required to perform reverse straightening and leveling treatment before punching and other processing. The reverse straightening needs to heat the PCB firstly, straighten the PCB, and cool the PCB after straightening. In the prior art, refer to the patent of 201711083521.8 of publication No. 528, 2 months, 16 days in 2018, a wane anti-straightening machine is disclosed, including anti-straightening mechanism, clearance adjustment mechanism, actuating mechanism, realized the alignment to the wane, but need be equipped with independent heating equipment and cooling equipment in addition, can not realize collecting heating, anti-straightness, integrative full automated production of cooling, in addition, anti-straightening machine equipment need often maintain, but first wheelset and second wheelset in this equipment all set are inside the equipment frame, need to unpack apart equipment and maintain again when maintaining, very difficult operation, and influence production efficiency.

Disclosure of Invention

In order to solve the problems in the background technology, the utility model provides the PCB anti-straightening machine, which realizes the full-automatic operation of integration of heating, anti-straightening and cooling, has good anti-straightening effect and is convenient to maintain and operate.

The utility model adopts the following technical scheme:

the PCB anti-straightening machine comprises a heating assembly, a straightening assembly and a cooling assembly which are sequentially arranged, wherein the heating assembly comprises an upper heating device, a lower heating device arranged below the upper heating device and a heating conveying device arranged between the upper heating device and the lower heating device; the straightening assembly comprises a first upper roller device, a second upper roller device and a lower roller device, wherein the second upper roller device is arranged side by side with the first upper roller device, and the lower roller device is arranged below the first upper roller device and the second upper roller device; the cooling assembly includes an upper fan assembly, a lower fan assembly disposed below the upper fan assembly, and a cooling delivery assembly disposed between the upper fan assembly and the lower fan assembly.

Further, the straightening assembly further comprises a roller lifting device for driving the first upper roller device and the second upper roller device to move up and down.

Further, the roller lifting device comprises a roller lifting support, a first motor and a second motor which are fixedly arranged on the roller lifting support, a first screw rod driven by the first motor to rotate, and a second screw rod driven by the second motor to rotate, wherein the first screw rod drives the first upper roller device to move up and down, and the second screw rod drives the second upper roller device to move up and down.

Further, a plurality of first guide rods are arranged between the first upper roller device and the second upper roller device and the roller lifting support respectively.

Further, the roller lifting device further comprises at least two air cylinders, the lifting ends of the air cylinders are fixedly connected with the roller lifting support, the straightening assembly further comprises a straightening base, and the air cylinders are fixedly mounted on the straightening base.

Further, at least two second guide rods are arranged between the roller lifting support and the straightening base.

Further, the heating assembly further comprises a heating lifting device for driving the upper heating device to move up and down.

Further, the heating lifting device comprises a heating lifting support, a third motor fixedly installed on the heating lifting support, a transmission shaft driven by the third motor to rotate, and a third screw rod and a fourth screw rod which are in transmission connection with the transmission shaft, wherein the third screw rod and the fourth screw rod drive the upper heating device to move up and down.

Further, a plurality of third guide rods are arranged between the upper heating device and the heating lifting support.

Further, the upper heating device and the lower heating device comprise a plurality of far infrared heating bricks which are uniformly distributed.

Compared with the prior art, the utility model has the beneficial effects that:

1) The utility model comprises a heating component, a straightening component and a cooling component, realizes the full automatic operation of heating, anti-straightening and cooling, saves manpower and improves the working efficiency.

2) The utility model is provided with the roller lifting device and the heating lifting device, and can realize the lifting of the first upper roller device, the second upper roller device and the upper heating device so as to carry out daily maintenance and overhaul.

3) The straightening assembly comprises a first upper roller device, a second upper roller device and a lower roller device, wherein the distance between the second upper roller device and the lower roller device is smaller than that between the first upper roller device and the lower roller device, and after the PCB is rolled by the first upper roller device and the lower roller device, preliminary reverse straightening is carried out, and then the PCB is further reversely straightened by the second upper roller device and the lower roller device which are closer to each other, so that the completely flattened PCB is finally obtained.

Drawings

For a clearer description of embodiments of the utility model or of solutions in the prior art, the drawings which are used in the description of the embodiments or of the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from them without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of a PCB anti-straightening machine according to the present utility model;

FIG. 2 is a schematic view of the internal structure of the heating assembly of the present utility model;

fig. 3 is a schematic view of the internal structure of the alignment assembly of the present utility model;

fig. 4 is a schematic view showing an internal structure of the cooling module of the present utility model.

In the figure: 1-heating component, 2-alignment component, 3-cooling component, 11-upper heating device, 12-lower heating device, 13-heating conveying device, 14-heating lifting device, 15-heating base, 16-heating protection device, 21-first upper roller device, 22-second upper roller device, 23-lower roller device, 24-roller lifting device, 25-alignment base, 26-alignment protection device, 31-upper fan device, 32-lower fan device, 33-cooling conveying device, 34-cooling base, 35-cooling protection device, 141-heating lifting support, 142-third motor, 143-transmission shaft, 144-third screw rod, 145-fourth screw rod, 146-third guide rod, 241-roller lifting support, 242-first motor, 243-second motor, 244-first guide rod, 245-cylinder, 246-second guide rod, 311-fan.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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 fall within the scope of the utility model.

The utility model is discussed in detail below in conjunction with fig. 1-4 and the specific embodiments:

the embodiment of the utility model provides a PCB anti-straightening machine, which comprises a heating component 1, a straightening component 2 and a cooling component 3 which are sequentially arranged, wherein a PCB is heated from a feeding end through the heating component 1, then subjected to anti-straightening operation through the straightening component 2, cooled through the cooling component 3 after the anti-straightening operation is finished, and leaves the anti-straightening machine from a discharging end after the cooling is finished. It should be noted that, the side of heating element 1 far away from alignment subassembly 2 is the material loading end, and the side of cooling element 3 far away from alignment subassembly 2 is the unloading end, has realized the integrative full automatization of heating, anti-straightness, cooling, has saved the manpower, has improved work efficiency.

The heating assembly 1 comprises an upper heating device 11, a lower heating device 12 arranged below the upper heating device 11 and a heating conveying device 13 arranged between the upper heating device 11 and the lower heating device 12, wherein the PCB is conveyed to the straightening assembly 2 by the heating conveying device 13, and the PCB is heated under the combined action of the upper heating device 11 and the lower heating device 12 during conveying.

The heating assembly 1 further comprises a heating lifting device 14 which drives the upper heating device 11 to move up and down, when the upper heating device 11 needs to be overhauled daily, the upper heating device 11 is moved to the uppermost side through the heating lifting device 14, the distance from the top end is shortened, and overhauling and maintenance are convenient to carry out.

The heating and lifting device 14 comprises a heating and lifting bracket 141, a third motor 142 fixedly arranged on the heating and lifting bracket 141, a transmission shaft 143 driven by the third motor 142 to rotate, and a third screw rod 144 and a fourth screw rod 145 which are in transmission connection with the transmission shaft 143, wherein the third screw rod 144 and the fourth screw rod 145 drive the upper heating device 11 to move up and down. Specifically, the two ends of the transmission shaft 143 are respectively provided with a first bevel gear, the upper ends of the third screw rod 144 and the fourth screw rod 145 are respectively provided with a second bevel gear matched with the first bevel gear, the third screw rod 144 and the fourth screw rod 145 are in threaded connection with the upper heating device 11, and the third screw rod 144 and the fourth screw rod 145 are in rotary connection with the heating lifting bracket 141 through bearings; the third motor 142 drives the transmission shaft 143 to rotate, the transmission shaft 143 rotates to drive the third screw rod 144 and the fourth screw rod 145 to rotate through gear transmission, and the third screw rod 144 and the fourth screw rod 145 drive the upper heating device 11 to move up and down through thread transmission. Specifically, the heating assembly 1 further includes a heating base 15, and the heating lifting bracket 141 is fixedly installed on the heating base 15.

Further, a plurality of third guide rods 146 are arranged between the upper heating device 11 and the heating lifting support 141, and the third guide rods 146 assist the third screw rod 144 and the fourth screw rod 145 to provide guiding and supporting for the up-and-down movement of the upper heating device 11.

Further, the upper heating device 11 and the lower heating device 12 each comprise a plurality of far infrared heating bricks which are uniformly distributed and are used for providing heat energy for heating the PCB, and the far infrared heating bricks are adopted for radiation heating, so that the PCB can be prevented from changing color due to heating; preferably, the upper heating device 11 and the lower heating device 12 are respectively provided with 60 far infrared heating bricks, so that the heating effect is better.

The heating assembly 1 further comprises a heating protection device 16 arranged above the heating base 15, wherein the heating protection device 16 is used for providing protection for the upper heating device 11, the lower heating device 12, the heating conveying device 13 and the heating lifting device 14.

The straightening assembly 2 comprises a first upper roller device 21, a second upper roller device 22 arranged side by side with the first upper roller device 21, and a lower roller device 23 arranged below the first upper roller device 21 and the second upper roller device 22, wherein the distance between the second upper roller device 22 and the lower roller device 23 is smaller than the distance between the first upper roller device 21 and the lower roller device 23; the PCB moves from one side of the first upper roller device 21 to one side of the second upper roller device 22, and after being rolled by the first upper roller device 21 and the lower roller device 23, the PCB is initially reversely straightened, and then is rolled by the second upper roller device 22 and the lower roller device 23 which are closer to each other, and further reversely straightened, so that the completely flattened PCB is finally obtained. Specifically, the first upper roller device 21, the second upper roller device 22 and the lower roller device 23 are all provided with a plurality of rollers which are arranged in parallel, and the rollers are mutually matched and rolled to level and reverse straight the tilting part of the PCB.

The straightening assembly 2 further comprises a roller lifting device 24 for driving the first upper roller device 21 and the second upper roller device 22 to move up and down, and the roller lifting device is used for respectively adjusting the positions of the first upper roller device 21 and the second upper roller device 22 and simultaneously lifting the first upper roller device 21 and the second upper roller device 22 so as to facilitate routine overhaul and maintenance.

Further, the roller lifting device 24 includes a roller lifting support 241, a first motor 242 and a second motor 243 fixedly mounted on the roller lifting support 241, a first screw rod driven by the first motor 242 to rotate, and a second screw rod driven by the second motor 243 to rotate, wherein the first screw rod drives the first upper roller device 21 to move up and down, and the second screw rod drives the second upper roller device 22 to move up and down, so that the upper and lower positions of the first upper roller device 21 and the second upper roller device 22 can be adjusted so as to adapt to various PCB boards with different thicknesses.

Further, a plurality of first guide rods 244 are arranged between the first upper roller device 21 and the second upper roller device 22 and the roller lifting support 241, and the first guide rods 244 are used for assisting the first screw rod and the second screw rod to provide guiding and supporting for the up-and-down movement of the first upper roller device 21 and the second upper roller device 22.

Further, the roller lifting device 24 further comprises at least two air cylinders 245, lifting ends of the air cylinders 245 are fixedly connected with the roller lifting support 241, the air cylinders 245 drive the roller lifting support 241 to move up and down, the straightening assembly 2 further comprises a straightening base 25, and the air cylinders 245 are fixedly arranged on the straightening base 25; the cylinder 245 is used for lifting the roller lifting support 241, the first upper roller device 21 and the second upper roller device 22 together, and when the roller lifting support 241 is lifted to the highest position, the distance from the top end is shortened, so that the maintenance is convenient.

Further, at least two second guide rods 246 are disposed between the roller lifting support 241 and the straightening base 25, and the second guide rods 246 are used for guiding and supporting the roller lifting support 241 to move up and down by the auxiliary air cylinders 245.

The alignment assembly 2 further comprises an alignment guard 26 disposed above the alignment base 25, the alignment guard 26 being configured to provide protection for the first upper roller assembly 21, the second upper roller assembly 22, the lower roller assembly 23, and the roller lift assembly 24.

The cooling assembly 3 comprises an upper fan device 31, a lower fan device 32 arranged below the upper fan device 31, and a cooling conveying device 33 arranged between the upper fan device 31 and the lower fan device 32, wherein the cooling conveying device 33 is used for conveying the PCB from the direction of the straightening assembly 2 to downstream equipment, and the upper fan device 31 and the lower fan device 32 are used for cooling the reversely-straightened PCB; specifically, the upper fan device 31 and the lower fan device 32 are both provided with a plurality of fans 311 along the moving direction of the PCB board for cooling.

The cooling module 3 further comprises a cooling base 34, and a cooling guard 35 arranged above the cooling base 34, the cooling guard 35 being adapted to provide protection for the upper fan means 31, the lower fan means 32, the cooling conveyor 33.

The utility model relates to a PCB anti-straightening machine, which comprises the following specific working processes:

firstly, a PCB enters a reversing and straightening machine from a feeding end of a heating assembly 1, the PCB is reversely conveyed to a straightening assembly 2 by a heating conveying device 13, the PCB is heated under the action of an upper heating device 11 and a lower heating device 12 at the same time of conveying, then the PCB is moved to the straightening assembly 2, the PCB is firstly rolled by a first upper roller device 21 and a lower roller device 23 to be initially reversed and then rolled by a second upper roller device 22 and a lower roller device 23 which are closer to each other to be further reversed, the PCB moves to a cooling assembly 3 along with the rotation of rollers, moves to a discharging end under the action of a cooling conveying device 33, and is cooled by the combined action of an upper fan device 31 and a lower fan device 32 at the same time of moving; the anti-straight machine needs to be overhauled once every half year, when overhauling is needed, the third motor 142 is started, the upper heating device 11 is moved upwards, the cylinder 245 is started, the roller lifting support 241 is driven to move upwards, and then the first upper roller device 21 and the second upper roller device 22 are driven to move upwards, so that overhauling and maintenance are convenient.

In the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, left, right, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The utility model has been further described with reference to specific embodiments, but it should be understood that the detailed description is not to be construed as limiting the spirit and scope of the utility model, but rather as providing those skilled in the art with the benefit of this disclosure with the benefit of their various modifications to the described embodiments.

Claims

1. The utility model provides a PCB is anti straight machine, includes heating element, alignment subassembly, the cooling module that sets gradually, its characterized in that:

the heating assembly comprises an upper heating device, a lower heating device arranged below the upper heating device and a heating conveying device arranged between the upper heating device and the lower heating device;

the straightening assembly comprises a first upper roller device, a second upper roller device and a lower roller device, wherein the second upper roller device is arranged side by side with the first upper roller device, the lower roller device is arranged below the first upper roller device and the second upper roller device, and the distance between the second upper roller device and the lower roller device is smaller than the distance between the first upper roller device and the lower roller device;

the cooling assembly includes an upper fan assembly, a lower fan assembly disposed below the upper fan assembly, and a cooling delivery assembly disposed between the upper fan assembly and the lower fan assembly.

2. The PCB inverter of claim 1, wherein: the straightening assembly further comprises a roller lifting device which drives the first upper roller device and the second upper roller device to move up and down.

3. The PCB inverter of claim 2, wherein: the roller lifting device comprises a roller lifting support, a first motor and a second motor which are fixedly installed on the roller lifting support, a first screw rod driven by the first motor to rotate and a second screw rod driven by the second motor to rotate, the first screw rod drives the first upper roller device to move up and down, and the second screw rod drives the second upper roller device to move up and down.

4. A PCB inverter according to claim 3, wherein: and a plurality of first guide rods are arranged between the first upper roller device and the second upper roller device and between the first upper roller device and the roller lifting support respectively.

5. A PCB inverter according to claim 3, wherein: the roller lifting device further comprises at least two air cylinders, lifting ends of the air cylinders are fixedly connected with the roller lifting support, the straightening assembly further comprises a straightening base, and the air cylinders are fixedly mounted on the straightening base.

6. The PCB inverter of claim 5, wherein: at least two second guide rods are arranged between the roller lifting support and the straightening base.

7. The PCB inverter of claim 1, wherein: the heating assembly further comprises a heating lifting device which drives the upper heating device to move up and down.

8. The PCB inverter of claim 7, wherein: the heating lifting device comprises a heating lifting support, a third motor fixedly installed on the heating lifting support, a transmission shaft driven by the third motor to rotate, and a third screw rod and a fourth screw rod which are in transmission connection with the transmission shaft, wherein the third screw rod and the fourth screw rod drive the upper heating device to move up and down.

9. The PCB inverter of claim 8, wherein: a plurality of third guide rods are arranged between the upper heating device and the heating lifting support.

10. The PCB inverter of claim 1, wherein: the upper heating device and the lower heating device comprise a plurality of far infrared heating bricks which are uniformly distributed.