CN211892438U

CN211892438U - Flexible board baking device

Info

Publication number: CN211892438U
Application number: CN201922038415.9U
Authority: CN
Inventors: 徐卫祥
Original assignee: Yancheng Weixin Electronics Co Ltd
Current assignee: Yancheng Weixin Electronics Co Ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-11-10
Anticipated expiration: 2029-11-22

Abstract

In the production process of the flexible circuit board, the flexible circuit board is required to be printed with ink and then sent into a baking oven to cure the ink. Present toast the case and toast through the thermal radiation mode more, have inefficiency, the big drawback of loss, and conduct to the inlayer by outer successive layer during heat transfer, lead to the ectonexine to have the difference in temperature, influence product quality. The utility model provides a flexible board baking equipment, including coil of strip stick, upper bracket, lower carriage, last horizontal pole, sheer pole and coil stock, the coil stock is the flexible board, leaves type membrane, metal forming superimposed composite bed in proper order, and metal forming's the inner is connected on the coil of strip stick, and metal forming's outer end is connected on the electrode on last horizontal pole, and the coil of strip stick has connect the power with the electrode, through the metal forming direct heating flexible board, can effectively shorten the baking time, improves the homogeneity of baking the temperature.

Description

Flexible board baking device

Technical Field

The utility model relates to a FPC makes the field, especially relates to a flexible board baking equipment.

Background

In the production process of the flexible circuit board, the flexible circuit board is required to be printed with ink and then sent into a baking oven to cure the ink.

The existing baking oven mostly adopts a heating tube for heating, and acts on the coil stock through heat radiation, so that the heat radiation has low heat transfer efficiency and large loss, and the baking time is longer; meanwhile, the number of layers of the coil stock is large, the outer layer is heated firstly during heat transfer and then conducts towards the inner layer by layer, so that the temperature difference exists between the inner layer and the outer layer, the curing degree of the ink of the coil stock on the inner layer and the outer layer is different, and the product quality is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of above-mentioned technique effectively, provide one kind and can effectively shorten the baking time, toast the even baking equipment of temperature.

The utility model discloses a following technical scheme realizes:

a flexible plate baking device comprises a coiling rod, an upper support, a lower support, an upper cross rod, a lower cross rod and a coiling material, wherein the coiling rod is a metal rod, the lower support is perpendicular to the axial direction of the coiling rod and is arranged on the coiling rod, the lower cross rod is connected on the lower support, the upper support is perpendicular to the axial direction of the coiling rod and is arranged at two ends of the coiling rod and is positioned on the same diameter with the lower support, the upper cross rod is connected on the upper support, and an electrode is arranged on the upper cross rod.

Preferably, the coil stock is a composite layer formed by sequentially overlapping a flexible plate, a release film and a metal foil.

Preferably, the side of the flexible plate with the ink is contacted with the release film.

Preferably, the inner end of the metal foil is connected to the coiling rod, and the outer end of the metal foil is connected to the electrode.

Preferably, the metal foil is a copper foil or an aluminum foil.

Preferably, the coil rod is a copper rod or an aluminum rod.

Preferably, the upper cross bar, the lower cross bar, the upper bracket and the lower bracket are made of insulating materials.

Preferably, the upper cross bar and the lower cross bar are detachable.

Preferably, a power supply is connected between the coiling rod and the electrode.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the current flows through the metal foil to enable the metal foil to directly heat, the heat productivity of each layer is consistent, the temperature difference between the inner layer and the outer layer is avoided, and the product yield is improved.

2. The metal foil directly heats the flexible board, a step-by-step heat conduction process is avoided, the temperature rise is rapid, the loss is low, and the baking time is saved.

Drawings

Fig. 1 shows a structure diagram of the flexible board baking device of the present invention.

Fig. 2 is a schematic view of a roll material structure.

Fig. 3 is a schematic view of a web connection.

In the drawings, there is shown: 1. a coil rod; 2. an upper bracket; 3. an upper cross bar; 4. a lower bracket;

5. a lower cross bar; 6. an electrode; 7. coiling; 701. a metal foil; 702. a release film; 703. a flexible plate.

Detailed Description

The present invention will be further described with reference to the following specific embodiments.

The flexible printed circuit board (703), the release film (702) and the metal foil (701) are sequentially overlapped to obtain a composite layer coil stock (7), one side of the flexible printed circuit board (703) with ink is in contact with the release film (702), one end of the metal foil (701) of the coil stock (7) is connected to the coil stock rod (1), the coil stock (7) is tightly wound on the coil stock rod (1), the metal foil (701) is an aluminum foil, and the coil stock rod (1) is an aluminum rod.

The lower support (4) is perpendicular to the axial direction of the material rolling rod (1) and is arranged on the material rolling rod (1), and the lower cross rod (5) is connected on the lower support (4); the upper support (2) is perpendicular to the axial direction of the coiling rod (1) and is arranged at two ends of the coiling rod (1) and is positioned on the same diameter with the lower support (4), the upper cross rod (3) is connected on the upper support (2), and the electrode (6) is arranged on the upper cross rod (3). The upper support (2), the upper cross rod (3), the lower support (4) and the lower cross rod (5) are made of bakelite, the electrode (6) is an aluminum block, and the upper support (2), the upper cross rod (3), the lower support (4), the lower cross rod (5) and the electrode (6) are connected through bolts.

The outer end of the metal foil (701) is connected with an electrode (6), a power supply is connected between the electrode (6) and the coiling rod (1), and the output mode of the power supply is compensated and output according to a program.

And a temperature measuring device is arranged between the coil material layers, and the output power of the power supply is inversely proportional to the temperature.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention in any way, and any person skilled in the art may make modifications or changes to the equivalent embodiment using the technical content disclosed above. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. The flexible plate baking device is characterized by comprising a material rolling rod, an upper support, a lower support, an upper cross rod, a lower cross rod and a material rolling rod, wherein the material rolling rod is a metal rod, the lower support is perpendicular to the axial direction of the material rolling rod and is arranged on the material rolling rod, the lower cross rod is connected onto the lower support, the upper support is perpendicular to the axial direction of the material rolling rod and is arranged at two ends of the material rolling rod and is positioned on the same diameter with the lower support, the upper cross rod is connected onto the upper support, and an electrode is arranged on the upper cross rod.

2. The flexible board baking apparatus of claim 1, wherein the web is a composite layer formed by sequentially stacking a flexible board, a release film, and a metal foil.

3. The flexible board baking apparatus according to claim 1 or 2, wherein the inked side of the flexible board is in contact with a release film.

4. The flexible panel baking apparatus of claim 2 wherein the inner end of the metal foil is connected to the coil bar and the outer end of the metal foil is connected to the electrode.

5. The flexplate baking apparatus of claim 4 wherein the metal foil is copper foil or aluminum foil.

6. The flexible board baking apparatus of claim 5 wherein the coil bar is a copper bar or an aluminum bar.

7. The flexible board baking apparatus of claim 6, wherein the upper cross bar, the lower cross bar, the upper frame and the lower frame are made of insulating material.

8. The flexible board baking apparatus of claim 7, wherein the upper and lower cross bars are detachable.

9. The flexible board baking apparatus of claim 8 wherein a power source is connected between the coil rod and the electrodes.