CN216146523U - Dry film equipment is pasted to wet process - Google Patents

Abstract

The utility model discloses wet dry film pasting equipment which comprises a conveying mechanism, an upper wet film assembly, a lower wet film assembly and a film pressing mechanism, wherein the upper wet film assembly is arranged on the conveying mechanism and comprises an upper water absorbing cotton roller and an overflow pipe, the overflow pipe is arranged above the upper water absorbing cotton roller and is provided with an overflow port, and an opening of the overflow port is upward; the lower wet film assembly is arranged right below the upper wet film assembly and comprises a water spraying pipe and a lower water absorption cotton roller, a water spraying opening of the water spraying pipe faces to the lower water absorption cotton roller, and the upper water absorption cotton roller and the lower water absorption cotton roller are matched to form a notch which is used for penetrating through a product; the film pressing mechanism is arranged at an outlet of the upper wet film assembly and is used for covering a dry film on a product. The utility model can uniformly cover the film on the circuit board and prevent the generation of bubbles.

Description

Dry film equipment is pasted to wet process

Technical Field

The utility model relates to the field of film pasting equipment, in particular to wet dry film pasting equipment.

Background

With the rapid development of the manufacturing technology in the printed circuit board industry, the flexible printed circuit board and the soft and hard combined printed circuit board are widely applied, and the fineness and the complexity of circuit design are greatly improved, so that higher requirements are provided for the manufacturing process of the printed circuit board.

In the process of the printed circuit board, a release film needs to be covered on the surface of the circuit board, and for traditional flexible circuit board film pasting equipment, a product or a film is directly humidified by adopting a device without automatic soaking or spraying, and then the film is covered on the circuit board. Due to the fact that spraying is uneven, uneven structure parts between circuit boards cannot be attached with moisture, bubbles are easily generated between the circuits and the circuit gaps, the bubbles are difficult to remove, the bubbles can cause the problems of open circuit of the circuits and the like, film sticking failure is easily caused, the yield of products is greatly reduced, and the cost is increased.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the wet dry film pasting equipment which can uniformly cover the film on the circuit board and prevent bubbles from being generated.

According to the embodiment of the first aspect of the utility model, the wet dry film pasting equipment comprises a conveying mechanism, an upper wet film assembly, a lower wet film assembly and a film pressing mechanism, wherein the upper wet film assembly is installed on the conveying mechanism and comprises an upper absorbent cotton roller and an overflow pipe, the overflow pipe is arranged above the upper absorbent cotton roller and is provided with an overflow port, and the opening of the overflow port faces upwards; the lower wet film assembly is arranged right below the upper wet film assembly and comprises a water spraying pipe and a lower absorbent cotton roller, a water spraying opening of the water spraying pipe faces the lower absorbent cotton roller, the upper absorbent cotton roller and the lower absorbent cotton roller are matched to form a notch, and the notch is used for allowing a product to pass through; the film pressing mechanism is arranged at an outlet of the upper wet film assembly and is used for covering a dry film on a product.

According to the wet dry film pasting equipment provided by the embodiment of the utility model, at least the following beneficial effects are achieved: when the circuit board passes through the gap between the water absorption cotton roller and the lower water absorption cotton roller, the water of the water absorption cotton roller can be attached to a product, and the film pressing structure can cover the dry film on the wet circuit board, so that the film and the circuit board are uniformly attached without bubbles, and the quality of a finished product is improved; the overflow ports of the overflow pipe are arranged upwards, liquid is flushed into the overflow pipe, so that the liquid can overflow through the overflow port holes, the liquid level in the overflow pipe is always kept consistent, a plurality of overflow ports in the overflow pipe can keep the same liquid flow rate, the liquid uniformly drops onto the upper water absorbing cotton roller, the overall wetting degree of the water absorbing cotton roller is the same, the liquid is further uniformly attached to a product, and the quality of a finished product film is improved; the lower wet film component wets the lower absorbent cotton roller through the water spray pipe, and the lower absorbent cotton roller enables the liquid to be uniformly covered on the product.

According to some embodiments of the utility model, the overflow pipe is arranged in a left-right direction, and a plurality of overflow ports are arranged on the overflow pipe, and the overflow ports are uniformly distributed along the axial direction of the overflow pipe.

According to some embodiments of the utility model, the peripheral wall of the overflow pipe is provided with a water flowing groove, and the notch of the water flowing groove is communicated with the overflow port.

According to some embodiments of the utility model, the transport mechanism further comprises a plate stopper mounted on the transport mechanism, the stopper being configured to limit a transport direction of the product.

According to some embodiments of the utility model, further comprising a water reservoir disposed below the lower absorbent cotton roller.

According to some embodiments of the utility model, the transport mechanism comprises a power member driving a transmission rod in rotation, a transmission rod simultaneously in transmission connection with a plurality of said transport rods, and a plurality of transport rods for transporting the products.

According to some embodiments of the utility model, the upper wet film assembly is slidably connected to the transport mechanism, and the upper wet film assembly is capable of moving closer to or farther away from the lower wet film assembly.

According to some embodiments of the utility model, the transport mechanism is provided with a screw, and the upper wet film assembly further comprises a base, wherein the screw is in threaded connection with the base, so that the screw drives the upper wet film assembly to approach or move away from the lower wet film assembly.

According to some embodiments of the utility model, the upper wet film assembly further comprises an elastic member, one end of the elastic member is connected with the upper absorbent cotton roller, and the other end of the elastic member is connected with the base.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a dry film wet-bonding apparatus according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a side of the wet dry film pasting apparatus shown in fig. 1;

FIG. 3 is a schematic view of the wet-on-film assembly shown in FIG. 1;

fig. 4 is a partially enlarged schematic view of a portion a shown in fig. 1.

The conveying mechanism 100, the limiting block 110, the power part 120, the transmission rod 130, the conveying rod 140 and the screw 150;

an upper wet film component 200, an upper absorbent cotton roller 210, an overflow pipe 220, an overflow port 221, a base 230 and an elastic part 240;

a lower wet film assembly 300, a water spray pipe 310, a lower absorbent cotton roller 320 and a water storage tank 330;

and a film pressing mechanism 400.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 4, a wet dry film pasting device according to an embodiment of a first aspect of the present invention includes a transportation mechanism 100, an upper wet film assembly 200, a lower wet film assembly 300, and a film pressing mechanism 400, wherein the upper wet film assembly 200 is mounted on the transportation mechanism 100, the upper wet film assembly 200 includes an upper absorbent cotton roller 210 and an overflow pipe 220, the overflow pipe 220 is disposed above the upper absorbent cotton roller 210, the overflow pipe 220 is provided with an overflow port 221, and an opening of the overflow port 221 faces upward; the lower wet film assembly 300 is arranged right below the upper wet film assembly 200, the lower wet film assembly 300 comprises a water spraying pipe 310 and a lower absorbent cotton roller 320, the water spraying opening of the water spraying pipe 310 faces the lower absorbent cotton roller 320, and the upper absorbent cotton roller 210 and the lower absorbent cotton roller 320 are matched with a notch which is used for penetrating a product; the film pressing mechanism 400 is disposed at an outlet of the wet-top film assembly 200, and the film pressing mechanism 400 is used for covering a dry film on a product.

The film pressing mechanism 400 comprises a film conveying assembly and a film covering assembly, release film raw materials are installed on the film conveying assembly, the film conveying assembly is used for conveying films, the film covering assembly comprises a hot pressing roller, and the hot pressing roller is used for covering the release films on products.

According to the wet dry film pasting equipment provided by the embodiment of the utility model, at least the following beneficial effects are achieved: when the circuit board passes through the gap between the water absorption cotton roller and the lower water absorption cotton roller 320, the water of the water absorption cotton roller can be attached to a product, and the film pressing structure can cover the dry film on the wet circuit board, so that the film is uniformly attached to the circuit board, no bubbles exist, and the quality of a finished product is improved; the overflow ports 221 of the overflow pipe 220 are arranged upwards, liquid is flushed into the overflow pipe 220, holes of the overflow ports 221 of the liquid are enabled to overflow, the liquid level height in the overflow pipe 220 is always kept consistent, so that a plurality of overflow ports 221 in the overflow pipe 220 can keep the same liquid flow rate, the liquid uniformly drops onto the absorbent cotton roller 210, the overall wetting degree of the absorbent cotton roller is enabled to be the same, the liquid is further uniformly attached to a product, and the film sticking quality of the finished product is improved; the lower wet film assembly 300 wets the lower absorbent cotton roll 320 through the water spray pipe 310, and the lower absorbent cotton roll 320 makes the liquid uniformly cover the product.

In some embodiments of the present invention, the water spraying pipe 310 may be attached to the lower absorbent cotton roll 320, that is, the water spraying opening of the water spraying pipe 310 is abutted to the lower absorbent cotton roll 320, and the lower absorbent cotton roll 320 can absorb water at the water spraying opening during the rotation process, and can uniformly apply the water to the product at the position contacting with the product.

In some embodiments of the present invention, the water spray pipe 310 may be far away from the lower absorbent cotton roller 320, and the water spray pipe 310 is disposed at a side far away from the film pressing mechanism 400, that is, the water spray pipe 310 can spray liquid to collide with the lower absorbent cotton roller 320, a part of the liquid is absorbed by the lower absorbent cotton roller 320, a part of the liquid is atomized, a part of the atomized liquid molecules can be attached to the transport rod 140 of the transport device, the transport rod 140 attaches the liquid to the product during rotation, and the product can be uniformly coated on the product after passing through the lower absorbent cotton roller 320, so as to improve the quality of the film.

In some embodiments of the present invention, the overflow pipe 220 is disposed in a left-right direction, a plurality of overflow ports 221 are disposed on the overflow pipe 220, and the overflow ports 221 are uniformly distributed along an axial direction of the overflow pipe 220. The liquid uniformly drops on the upper water absorption cotton roller 210, so that the whole wetting degree of the water absorption cotton roller is the same, and the film sticking quality of the product is improved.

In some embodiments of the present invention, the peripheral wall of the overflow pipe 220 is provided with a water flowing groove, and a notch of the water flowing groove communicates with the overflow port 221. The water flowing groove is arranged around the axial direction of the overflow pipe 220 and along the peripheral wall of the overflow pipe 220, so that the liquid flowing out of the overflow port 221 can flow along the water flowing groove, the low-falling positions of the liquid are consistent, and the liquid is uniformly dropped onto the upper water absorption cotton roller 210.

In some embodiments of the present invention, a plate stopper 110 is further included, the stopper 110 is mounted on the transportation mechanism 100, and the stopper 110 is used to limit the transportation direction of the product. The limiting blocks 110 are arranged in the front-back direction, and during operation, the edges of the products are placed along the limiting blocks 110, so that the direction of the products transported by the transporting mechanism 100 is consistent with the direction of the limiting blocks 110.

In some embodiments of the present invention, a water reservoir 330 is further included, and the water reservoir 330 is disposed below the lower absorbent cotton roller 320. The water spray pipe 310 sprays water towards the absorbent cotton roller, and part of water is not absorbed by the lower absorbent cotton roller 320 and drops to the water storage tank 330, so that water drops are prevented from splashing around to influence the operation of the machine.

In some embodiments of the present invention, the transportation mechanism 100 includes a power member 120, a transmission rod 130, and a plurality of transportation rods 140, wherein the power member 120 drives the transmission rod 130 to rotate, the transmission rod 130 is simultaneously in transmission connection with the plurality of transportation rods 140, and the transportation rods 140 are used for transporting products. The power member 120 is a motor, a plurality of first bevel gears are arranged on the transmission rod 130, one end of the transportation rod 140 is provided with a second bevel gear matched with the first bevel gears, and the power member 120 can drive the transportation rods 140 simultaneously, so that the products can be stably conveyed. The lower suction cotton roll 320 is also provided with a second bevel gear so that the lower suction cotton roll 320 is transferred in synchronization with the transport mechanism 100.

In some embodiments of the present invention, the upper wet film assembly 200 is slidably connected to the transport mechanism 100, and the upper wet film assembly 200 can be moved closer to or farther away from the lower wet film assembly 300. The transportation mechanism 100 is provided with a screw 150, the upper wet film assembly 200 further comprises a base 230, and the screw 150 is in threaded connection with the base 230, so that the screw 150 drives the upper wet film assembly 200 to be close to or far away from the lower wet film assembly 300. The upper wet film assembly 200 further comprises an elastic member 240, one end of the elastic member 240 is connected to the upper absorbent cotton roll 210, and the other end is connected to the base 230. The circuit board thickness is probably different, goes up cotton roller 210 that absorbs water and can slide from top to bottom, can prevent to go up cotton roller 210 that absorbs water extrusion transition, makes the too much extrusion of moisture in the cotton roller that absorbs water, and moisture on the product is too much, influences product quality. The elastic part 240 can enable the pressure of the upper absorbent cotton roller 210 to be lifted upwards, and the product can be restored to the original state after passing through, so that the upper absorbent cotton roller 210 can be fully attached to the product, and the product cannot be squeezed excessively. The screw 150 can drive the upper wet film assembly 200 to be adjusted up and down, and the size of the gap is changed.

In some embodiments of the present invention, the upper wet film assembly 200 is further provided with a motor for driving the upper absorbent cotton roll 210 to rotate.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (9)

1. The utility model provides a wet process pastes dry film equipment which characterized in that includes:

a transport mechanism (100);

the upper wet film assembly (200) is installed on the conveying mechanism (100), the upper wet film assembly (200) comprises an upper absorbent cotton roller (210) and an overflow pipe (220), the overflow pipe (220) is arranged above the upper absorbent cotton roller (210), the overflow pipe (220) is provided with an overflow port (221), and an opening of the overflow port (221) faces upwards;

the lower wet film assembly (300) is arranged right below the upper wet film assembly (200), the lower wet film assembly (300) comprises a water spray pipe (310) and a lower absorbent cotton roller (320), the water spray opening of the water spray pipe (310) faces to the lower absorbent cotton roller (320), and the upper absorbent cotton roller (210) and the lower absorbent cotton roller (320) are matched with a notch which is used for penetrating through a product;

and the film pressing mechanism (400) is arranged at the outlet of the upper wet film assembly (200), and the film pressing mechanism (400) is used for covering a dry film on a product.

2. The wet-process dry film pasting equipment according to claim 1, wherein the overflow pipe (220) is arranged along the left-right direction, a plurality of overflow ports (221) are arranged on the overflow pipe (220), and the overflow ports (221) are uniformly distributed along the axial direction of the overflow pipe (220).

3. The wet process dry film pasting equipment according to claim 1, wherein the peripheral wall of the overflow pipe (220) is provided with a flow water tank, and the notch of the flow water tank is communicated with the overflow port (221).

4. The wet-process dry film pasting equipment according to claim 1, further comprising a plate stopper (110), wherein the stopper (110) is mounted on the transportation mechanism (100), and the stopper (110) is used for limiting the transportation direction of the product.

5. The wet lamination dry film apparatus of claim 1, further comprising a water reservoir (330), wherein the water reservoir (330) is disposed below the lower absorbent cotton roller (320).

6. The wet process dry film pasting equipment according to claim 1, wherein the transportation mechanism (100) comprises a power member (120), a transmission rod (130) and a plurality of transportation rods (140), the power member (120) drives the transmission rod (130) to rotate, the transmission rod (130) is simultaneously in transmission connection with the plurality of transportation rods (140), and the transportation rods (140) are used for transporting products.

7. The wet lamination dry film apparatus of claim 1, wherein the upper wet film assembly (200) is slidably connected to the transport mechanism (100), and the upper wet film assembly (200) can be moved toward or away from the lower wet film assembly (300).

8. The wet lamination dry film apparatus according to claim 7, wherein the transportation mechanism (100) is provided with a screw (150), the upper wet film assembly (200) further comprises a base (230), the screw (150) is in threaded connection with the base (230), such that the screw (150) drives the upper wet film assembly (200) to approach or move away from the lower wet film assembly (300).

9. The wet process dry film pasting equipment of claim 8, wherein the upper wet film assembly (200) further comprises an elastic member (240), one end of the elastic member (240) is connected to the upper absorbent cotton roller (210), and the other end is connected to the base (230).

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