Cutting device for flexible circuit board processing

Abstract

The utility model relates to the technical field of cutting equipment, and provides a cutting device for processing a flexible circuit board, which comprises a cutting box and a placing filter plate arranged in the cutting box and used for placing the flexible circuit board, and a cutting device used for cutting a polyester film base material is arranged in the cutting box. A dust falling assembly capable of recycling cooling water is arranged in the cutting box, the dust falling assembly comprises a first purification cavity, a second purification cavity and a third purification cavity which are formed in the bottom of the cutting box, the first purification cavity, the second purification cavity and the third purification cavity are sequentially arranged downwards according to the step sequence, and the first purification cavity is located below the containing filter plate. Dust generated in the cutting process is restrained through the dust falling assembly, powder mixed into cooling water is subjected to multi-stage separation through the first purification cavity, the second purification cavity and the third purification cavity, the effect of separating the powder from the cooling water is achieved, and the function of recycling the cooling water is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting equipment, in particular to a cutting device for processing a flexible circuit board. Background Art

[0002] Existing mechanical cutting methods for flexible circuit boards can be roughly divided into rotary cutting tool cutting or punch cutting, but punch cutting requires specific molds and has certain limitations in use. Therefore, generally, the cutting of flexible circuit boards is completed by rotary cutting tools. However, the cutting tools will produce a large amount of powder during cutting, which will interfere with the staff's vision. At the same time, the high-speed rotating cutting tools will also increase the heat of the flexible circuit board, and excessive temperature may affect the performance of the flexible circuit board. Therefore, many factories will inject cooling water into the cutting part when cutting flexible circuit boards. The flow of water can not only reduce the heat of the flexible circuit board, but also entrain the powder to achieve the effect of dust reduction. However, since these powders are light in weight, small in particle size and denser than water, they will flow everywhere in the water flow and are not easy to remove. Therefore, this water flow is generally not recycled, which is not conducive to saving water resources. In view of this, we propose a cutting device for processing flexible circuit boards. Utility Model Content

[0003] The utility model aims to solve the defect that the cooling water used for cooling and dust removal in the existing flexible circuit board cutting process is not easy to be recycled, and proposes a cutting device for processing flexible circuit boards.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A cutting device for processing a flexible circuit board, comprising a cutting box and a filter plate arranged inside the cutting box for placing the flexible circuit board, wherein the cutting box is provided with a shearing device for cutting a polyester film substrate, and the cutting box is provided with a dust reduction component capable of recycling cooling water;

[0006] The dust reduction component includes purification chamber one, purification chamber two and purification chamber three arranged at the bottom of the cutting box, and purification chamber one, purification chamber two and purification chamber three are arranged downward in a stepped order. The purification chamber one is located below the filter plate, and overflow ports are provided at the rightmost ends of the purification chamber one and purification chamber two. A spray component connected to the purification chamber three is provided inside the cutting box and above the filter plate.

[0007] Preferably, the spray assembly includes a submersible pump arranged in the purification chamber three, a spray head for releasing cooling water is arranged inside the cutting box, and a circulating water pipe for communication is arranged between the spray head and the submersible pump.

[0008] Preferably, the bottoms of the purification chambers 1, 2 and 3 are all provided with debris discharge holes, the lower cross-sections of the purification chambers 1 and 2 are both trapezoidal, and the internal spaces decrease in order from top to bottom.

[0009] Preferably, the upper parts of the purification chamber 2 and the purification chamber 3 are both provided with isolation plates for blocking polyester film powder.

[0010] Preferably, the isolation plate is obliquely arranged in the purification chamber 2 and the purification chamber 3, and the extension line of the lowest end of the isolation plate intersects with the right inner wall of the purification chamber 2 or the purification chamber 3.

[0011] Preferably, a liquid level pipe which is three-way connected with the purification chamber is provided on one side of the cutting box, and a water injection flange for replenishing water is provided on the upper end of the liquid level pipe.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model suppresses the dust generated during the cutting process by setting up a dust reduction component, and utilizes the settings of purification chamber 1, purification chamber 2 and purification chamber 3 to perform multi-stage separation on the powder mixed in the cooling water, thereby achieving the effect of separating the powder from the cooling water and realizing the function of recycling the cooling water.

[0014] 2. The utility model isolates the powder that has just fallen on the purification chamber 2 or purification chamber 3 from flowing directly to the overflow port through the setting of the isolation plate, so that the powder gathers along the isolation plate to the bottom of the purification chamber 1 and purification chamber 2, thereby improving the separation effect of the powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 for Figure 1 A schematic diagram of the enlarged structure of the middle A area;

[0017] Figure 3 It is a front cross-sectional view of the utility model.

[0018] In the figure: 1. Cutting box; 2. Dust reduction assembly; 21. Purification chamber 1; 22. Purification chamber 2; 23. Purification chamber 3; 24. Isolation plate; 25. Unloading hole; 26. Spray assembly; 261. Submersible pump; 262. Spray head; 263. Circulating water pipe; 27. Liquid level pipe; 28. Water injection flange; 3. Shearing equipment; 4. Placement of filter plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Flexible circuit boards are printed circuit boards made of polyimide or polyester film. During production and processing, they often need to be cut into specific shapes by a cutting device. However, when the flexible circuit board is cut by a cutting tool, a large amount of powder will be generated. These powders are mixed in the cooling water and are easily led out of the flow under the influence of external forces, which increases the difficulty of removing the powder and makes it difficult to recycle this part of the cooling water. To solve the above defects, we proposed the following solution.

[0021] Embodiment 1

[0022] The cooling water used for cooling and dust removal in the existing flexible circuit board cutting process is not easy to recycle. Figure 1-Figure 3 The present embodiment proposes a cutting device for processing flexible circuit boards. The powder mixed in the cooling water is separated in multiple stages by using the settings of purification chamber 1 21, purification chamber 2 22 and purification chamber 3 23, thereby realizing the function of recycling cooling water. The device mainly comprises a cutting box 1, and a placement filter plate 4 arranged inside the cutting box 1 for placing the flexible circuit board. The cutting box 1 is provided with a shearing device 3 for cutting a polyester film substrate. The cutting box 1 is provided with a dust suppression component 2 for recycling cooling water. When cutting, the flexible circuit board is first placed on the placement filter plate 4, and then the flexible circuit board is cut by the shearing device 3 arranged in the cutting box 1. When cutting, the generated powder can also be dust suppressed by the dust suppression component 2, thereby reducing the interference of flying dust with the operation of the staff.

[0023] In order to realize the recycling of cooling water and save water, the present embodiment uses the dust removal component 2 to separate the powder mixed in the cooling water in multiple stages, thereby achieving the effect of separating the powder from the cooling water and realizing the recycling of cooling water. Figure 3 As shown, the dust suppression component 2 includes a purification chamber 1 21, a purification chamber 22 and a purification chamber 3 23 arranged at the bottom of the cutting box 1, and the purification chamber 1 21, the purification chamber 22 and the purification chamber 3 23 are arranged downward in a stepped order, the purification chamber 1 21 is located below the filter plate 4, and the rightmost ends of the purification chamber 1 21 and the purification chamber 2 22 are both provided with overflow ports. A spray component 26 connected to the purification chamber 3 23 is provided inside the cutting box 1 and above the filter plate 4. During the shearing process, the spray component 26 can be directly started to achieve a dust suppression effect, such as Figure 3As shown, purification chamber 1 21, purification chamber 22 and purification chamber 3 23 are arranged downward in descending order. Because purification chamber 1 21 is located below the filter plate 4, the cooling water carrying the powder will fall into purification chamber 1 21 under the action of its own gravity. Since the flexible circuit board is a printed circuit board made of polyimide or polyester film as a substrate, and the density of polyimide and polyester film is greater than that of water, these powders will gather at the bottom of purification chamber 1 21 after entering purification chamber 1 21, and the cooling water in purification chamber 1 21 will flow along the overflow port to purification chamber 2 22 after being replenished, and some powders may also flow into purification chamber 2 22 driven by the water flow, so they are separated again in purification chamber 22 before flowing into purification chamber 3 23. In this way, through multi-stage separation, the effect of separating powder and cooling water is achieved, and the function of recycling cooling water is realized.

[0024] The spray assembly 26 includes a submersible pump 261 arranged in the purification chamber three 23, a spray head 262 for releasing cooling water is arranged inside the cutting box 1, and a circulating water pipe 263 for communication is arranged between the spray head 262 and the submersible pump 261. The submersible pump 261 arranged in the purification chamber three 23 can introduce the cooling water in the purification chamber three 23 into the spray head 262 through the circulating water pipe 263, and spray the water to the cutting position on the flexible circuit board through the spray head 262, so as to achieve the effect of dust suppression.

[0025] The bottom of the purification chamber 1 21, the purification chamber 22 and the purification chamber 3 23 are all provided with a discharge hole 25. The lower cross-sections of the purification chamber 1 21 and the purification chamber 2 22 are both trapezoidal, and the internal space decreases in order from top to bottom. The change in the lower space of the purification chamber 1 21 and the purification chamber 2 22 reduces the amount of water inside the purification chamber 1 21 and the purification chamber 2 22 under the same depth, embodying the concept of water conservation. Moreover, the reduction in the bottom space makes it easier for the powder gathered at the bottom of the purification chamber 1 21 and the purification chamber 2 22 to contact the inner wall of the purification chamber 1 21 and the purification chamber 2 22. Because the powder is light in weight, it is easily affected by external force and moves. The friction resistance between it and the inner wall of the purification chamber 1 21 and the purification chamber 2 22 will reduce the influence of external force on the powder and improve the separation quality of the powder.

[0026] Embodiment 2

[0027] On the basis of Example 1, the technical solution proposed in Example 1 is used to solve the shortcoming that the cooling water used for cooling and dust removal in the existing flexible circuit board cutting process is not easy to recycle. However, due to the light weight of the powder, when it just falls on the water surface of purification chamber 1 21 or purification chamber 2 22, it is easy to flow directly to the overflow port under the influence of the water flow, and flow into the next purification chamber through the overflow port, thereby reducing the separation of the powder.

[0028] Reference Figure 1-Figure 3 The upper part of the purification chamber 22 and the purification chamber 3 23 are both provided with an isolation plate 24 for blocking the polyester film powder. In this embodiment, the isolation plate 24 can be set to isolate the powder that has just fallen into the purification chamber 1 21 or the purification chamber 2 22 to prevent it from flowing directly to the overflow port, so that the powder gathers along the isolation plate 24 to the bottom of the purification chamber 1 21 and the purification chamber 2 22, thereby improving the separation effect of the powder.

[0029] The isolation plate 24 is tiltedly disposed in the purification chamber 22 and the purification chamber 3 23, and the lowest end extension line of the isolation plate 24 intersects with the right inner wall of the purification chamber 22 or the purification chamber 3 23. Figure 3 As shown, the bottom of the isolation plate 24 set for cleaning is far away from the overflow port. The powder falling on the isolation plate 24 will move along the isolation plate 24 groove away from the overflow port during the sinking process, thereby reducing the probability of the powder flowing into the next purification chamber through the overflow port.

[0030] A liquid level tube 27 connected to the purification chamber three 23 is provided on one side of the cutting box 1, and a water injection flange 28 for replenishing water is provided on the upper end of the liquid level tube 27. The setting of the liquid level tube 27 utilizes the principle of a communicating vessel to intuitively display the liquid level in the purification chamber three 23, making it convenient for the staff to observe the liquid level of the purification chamber three 23 and replenish it in time from the water injection flange 28.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cutting device for processing a flexible circuit board, comprising a cutting box (1), and a placement filter plate (4) arranged inside the cutting box (1) for placing the flexible circuit board, wherein the cutting box (1) is provided with a shearing device (3) for cutting a polyester film substrate, characterized in that: The cutting box (1) is provided with a dust reduction component (2) capable of recycling cooling water; The dust reduction assembly (2) comprises a purification chamber 1 (21), a purification chamber 2 (22) and a purification chamber 3 (23) arranged at the bottom of the cutting box (1), and the purification chamber 1 (21), the purification chamber 2 (22) and the purification chamber 3 (23) are arranged downward in a stepped order, the purification chamber 1 (21) is located below the filter plate (4), and the rightmost ends of the purification chamber 1 (21) and the purification chamber 2 (22) are both provided with overflow ports, and a spray assembly (26) connected to the purification chamber 3 (23) is provided inside the cutting box (1) and above the filter plate (4).

2. A cutting device for processing a flexible circuit board according to claim 1, characterized in that: The spray assembly (26) comprises a submersible pump (261) arranged in the purification chamber three (23); a spray head (262) for releasing cooling water is arranged inside the cutting box (1); and a circulating water pipe (263) for communication is arranged between the spray head (262) and the submersible pump (261).

3. A cutting device for processing a flexible circuit board according to claim 1, characterized in that: The bottoms of the purification chamber 1 (21), the purification chamber 2 (22) and the purification chamber 3 (23) are all provided with impurity discharge holes (25), the lower cross-sections of the purification chamber 1 (21) and the purification chamber 2 (22) are both trapezoidal, and the internal spaces decrease in order from top to bottom.

4. A cutting device for processing a flexible circuit board according to claim 1, characterized in that: The upper parts of the purification chamber 2 (22) and the purification chamber 3 (23) are both provided with an isolation plate (24) for blocking polyester film powder.

5. A cutting device for processing a flexible circuit board according to claim 4, characterized in that: The isolation plate (24) is obliquely arranged in the second purification chamber (22) and the third purification chamber (23), and the extension line of the lowest end of the isolation plate (24) intersects with the right inner wall of the second purification chamber (22) or the third purification chamber (23).

6. A cutting device for processing a flexible circuit board according to claim 1, characterized in that: A liquid level pipe (27) communicating with the purification chamber three (23) is provided on one side of the cutting box (1), and a water injection flange (28) for replenishing water is provided at the upper end of the liquid level pipe (27).

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