JPH09315614A - Horizontal type surface treating device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the direct contact of the center parts in width direction of a treated article and a roller. SOLUTION: Upper and lower rollers 11 and 12, nipping a treated article Q vertically, to carry it horizontally, are made to have shapes, where the diameters of the rollers 11 and 12 are smaller than the width direction end parts, in the width direction center portions and the gaps in the level difference portions are made to be formed between the treated article Q and the upper and lower rollers 10 and 11, in small diameter portions. Exhaust passage of treating liquid F or hot wind A can be assured by these gaps to contact properly between new treating liquid F and the treated article Q, be made proper surface treatment and liquid drop removal or drying afterwards. In addition, damage to the treated article Q can be prevented.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a horizontal type surface treatment apparatus which conveys an object to be treated horizontally and sprays a treatment liquid on the object to perform surface treatment. The present invention relates to a horizontal surface treatment apparatus which improves the treatment quality by forming a gap between the roller and the roller.

[0002]

2. Description of the Related Art Conventionally, horizontal continuous surface treatment has been carried out by an apparatus as shown in FIG. In this processing device, a large number of roller pairs of an upper roller 91 and a lower roller 92 are arranged in a row, and the upper roller 91 and the lower roller 92 can be driven by a separately provided power source. And
Liquid nozzles 95, 95 are provided at a position between the roller pairs so that the processing liquid F can be sprayed onto the object to be processed 94 from above and below. That is, the object 94 to be processed is subjected to surface treatment by the sprayed processing liquid F while the object 94 to be processed is conveyed horizontally by the rotational driving of the upper roller 91 and the lower roller 92. The type of treatment is determined by the treatment liquid F, and etching, electroless plating, cleaning, etc. are possible. According to this processing apparatus, a relatively small plate-shaped or strip-shaped object 94 within the width of the roller can be continuously processed as it is without being attached to a frame pair or the like. It is superior to immersion type processing equipment that requires fixing to a pair.

[0003]

However, in the above-mentioned conventional horizontal type surface treatment apparatus, since the object 94 to be treated is in direct contact with the upper roller 91 and the lower roller 92, the following three causes occur. There was a problem. The first problem is that the upper roller 91 or the lower roller 92 and the workpiece 9
That is, foreign matter or the like may be caught between the workpiece 4 and the workpiece 4, and the workpiece 94 may be damaged. Secondly, the direct contact may cause stains on the object to be processed 94.
This is because the treatment liquid F which has been treated is forcibly removed by air blow, but when the droplets adhere to the upper roller 91 or the lower roller 92 on the downstream side, they are transferred to the object to be treated 94.

Thirdly, it is difficult to make the degree of processing uniform on the upper surface and the lower surface of the object to be processed 94. Since the object to be processed 94 and the upper roller 91 are in direct contact with each other, the discharge path of the processed liquid F that has been processed is limited to the lateral side in the conveying direction on the upper surface side, and the liquid is insufficiently discharged. Is accumulated and the contact between the new treatment liquid F and the object to be treated 94 is hindered, resulting in insufficient treatment. On the other hand, on the lower surface side, the processed liquid F that has been processed falls immediately without being retained due to the influence of gravity, and the new processed liquid F sufficiently contacts the object 94 to be processed. Therefore, the degree of processing is different between the upper surface and the lower surface.

The present invention has been made to solve the problems of the above-mentioned conventional horizontal type surface treatment apparatus. It is an object of the present invention to provide a horizontal surface treatment apparatus which prevents various harmful effects caused by contact.

[0006]

In order to achieve the above object, the invention of claim 1 has a plurality of sets of rollers for sandwiching an object to be processed from above and below, while rotating the rollers to horizontally drive the object to be processed. A horizontal type surface treatment apparatus for performing a surface treatment by spraying a treatment liquid or a treatment gas from at least one of the upper and lower surfaces on an object to be treated at a position between a certain roller and its adjacent roller, Of the upper roller and the lower roller constituting the roller immediately before and after the position where the spraying is performed, at least the surface side on which the processing liquid or the processing gas is sprayed has a smaller diameter in the widthwise central portion than in the widthwise end portion. It is characterized by having a shape of The term "surface treatment" used here means not only those that cause substantial changes in the object to be treated such as etching and electroless plating, but also those that substantially affect the object to be treated such as cleaning with cleaning water and drying by blowing hot air. Those that do not change significantly are also included.

In this horizontal type surface treatment apparatus, the object to be treated is drawn between the upper and lower rollers and horizontally conveyed by the rotation of the rollers, and the object to be treated is treated with a treatment liquid or a gas at a position between the rollers. It is sprayed and surface treatment is applied there. Here, in the rollers immediately before and after the position where the processing liquid or the processing gas is sprayed, at least the one of the upper roller and the lower roller on the spraying side has a smaller diameter in the widthwise central portion than in the widthwise end portion. Since it has a certain shape, there is a gap between the roller on the surface side on which the processing liquid or processing gas is sprayed and the object to be processed in the widthwise central part, from which the processed processing liquid etc. can escape. . Therefore, the treated liquid or the like that has been treated does not stay in the sprayed portion, and the contact between the new treatment liquid or the treatment gas and the object to be treated is not hindered. Further, stains of the processing liquid are not transferred from the roller to the object to be processed. Further, even if a foreign matter enters between the roller and the object to be processed, the foreign matter does not damage the central portion in the width direction of the object to be processed.

In this horizontal surface treatment apparatus, the shape of the upper roller or the lower roller having a smaller diameter at the widthwise central portion than at the widthwise end portion is such that the large diameter portion at the widthwise end portion and the small diameter at the widthwise central portion are formed. A shape in which a step is provided between the portion and a portion, a shape in which the diameter near the center in the width direction is the smallest and the roller diameter is continuously changed to increase the diameter toward the end can be considered.

Further, the invention of claim 2 has a plurality of rollers for sandwiching the object to be processed from above and below, and while the object to be processed is driven horizontally by the rotation of the rollers, a roller and a roller adjacent thereto are provided. In a horizontal type surface treatment apparatus which performs a surface treatment by spraying a treatment liquid or a treatment gas onto at least one surface of the upper and lower surfaces at an intermediate position, to the object at a position between a roller and a roller next to it. At least the upper side of the upper roller and the lower roller constituting the rollers immediately before and after the position where the processing liquid or the processing gas is sprayed is formed by spraying the processing liquid or the processing gas on both upper and lower sides in the width direction. It is characterized in that the central portion has a smaller diameter than the end portions in the width direction.

In this horizontal surface treatment apparatus, the treatment liquid or the treatment gas is sprayed on the upper and lower surfaces of the object to be treated, and the both surfaces of the object are treated. Then, at least on the upper surface side where the treated treatment liquid or the like is likely to stay at the spraying location, the upper rollers immediately before and immediately after the position at which the treatment liquid or the treatment gas is sprayed are at the widthwise central portion rather than the widthwise end portion. Since it has a small diameter, the treated liquid or the like that has been treated does not easily escape from the sprayed portion and stays there, and transfer of stains from the roller to the object to be treated is also prevented.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the horizontal surface treatment apparatus of the present invention will be described below in detail with reference to the drawings. The horizontal surface treatment apparatus according to the present embodiment is
A plate-shaped object to be processed Q is subjected to surface treatment, and as shown in the perspective view of FIG.
It has a configuration in which a large number of roller pairs 12 formed by vertically combining 1 and 1 are arranged in a row. The upper roller 10 and the lower roller 11 are axially supported by the side frames 21 and 21, and the upper roller 10 and the lower roller 11 of each roller pair 12 are coupled by a gear 22 so as to rotate synchronously.
The distance between each pair of rollers 12 is one half of the length of the workpiece Q.
It is the following. Further, a drive motor (not shown) separately provided is driven via the gear 22. This is because the object to be processed Q is sandwiched between the upper roller 10 and the lower roller 11, drawn in, and conveyed horizontally. The size of the object to be processed Q is, for example, 50 mm × 50 mm × 2 m
m.

Then, each upper roller 10 and each lower roller 1
As shown in FIG. 2, 1 has a small diameter portion 2 (width w) near the central portion and large diameter portions 3 and 3 at both end portions. A gap corresponding to the level difference between the small-diameter portion 2 and the large-diameter portion 3 is formed between the workpiece Q in the retracted state and the workpiece Q directly contacts the upper roller 10 and the lower roller 11. This is to prevent problems that may occur due to Small diameter part 2
Width w is smaller than the width v of the workpiece Q (for example, 40 mm
The peripheral portion of the object to be processed Q is held by the large-diameter portion 3 of the upper roller 10 and the lower roller 11 so that the conveyance is ensured. The size of the upper roller 10 and the lower roller 11 is, for example, 15 mmφ × 150 mm (full width), and the step between the small diameter portion 2 and the large diameter portion 3 is about 0.1 mm. Upper roller 10 and lower roller 11 of each roller pair 12
The distance between the large-diameter parts 3 is such that the workpiece Q
It is set to a value that allows a gap corresponding to the thickness to allow insertion of the. As a material for the upper roller 10 and the lower roller 11, for example, vinyl chloride or the like is suitable.

The horizontal surface treatment apparatus shown in FIG.
As shown in the cross-sectional view of FIG. 1, the processing position is set between the roller pair 12 and the roller pair 12 (hereinafter referred to as “roller position”), and the processing liquid F is sprayed from the liquid nozzles 23, 23 provided above and below. I am trying. The treatment liquid F is an etching liquid, an electroless plating liquid, or the like. Further, air nozzles 24, 24 are provided vertically at another inter-roller position downstream thereof so that the treatment liquid F is removed and dried by blowing the hot air A.

This horizontal surface treatment apparatus operates as follows. Upper roller 10 and lower roller 1 of each roller pair 12
When 1 is driven, the object to be processed Q is drawn. The workpieces Q that have been drawn in have a length that is at least twice the distance between the roller pairs 12, so they are successively driven by each roller pair 12 and conveyed horizontally.

Since the upper roller 10 and the lower roller 11 constituting each roller pair 12 have a shape having a small diameter portion 2 and a large diameter portion 3 as shown in FIG. 2, the upper roller 10 and the lower roller 10 Only the large-diameter portion 3 of 11 is in contact with the object to be processed Q. Therefore, the object to be processed Q has the edge portions at both ends in the width direction (in the above-described exemplary size, the edges 5 are
Only the portion (width of mm) contacts the large-diameter portion 3 and receives the driving force. Since the central portion of the object to be processed Q (40 mm width portion including the center in the above-described exemplary size) faces the small diameter portion 2, there is a gap corresponding to the step between the upper roller 10 and the lower roller 11. , Do not touch. Therefore, in this portion, the foreign matter is caught between the workpiece Q and the upper roller 10 or the lower roller 11, and the workpiece Q is scratched,
The droplets of the processing liquid F are not transferred from the upper roller 10 and the lower roller 11 to cause stains.

As shown in FIG. 3, the object to be processed Q is sprayed with the processing liquid F from the liquid nozzles 23 at the position between the rollers, and is subjected to surface treatment such as etching and electroless plating by the processing liquid F. It At this time, since there is a gap corresponding to the step between the object to be treated Q and the upper roller 10 and the lower roller 11, the treated treatment liquid F can escape from this gap. Therefore, the treatment liquid F does not stay at the sprayed portion even on the upper surface. It should be noted that the treated liquid F, which has been treated, immediately drops due to gravity on the lower surface and therefore does not stay. Therefore, at the spraying location, the new processing liquid F immediately after being discharged from the liquid nozzles 23, 23 comes into contact with the object to be processed Q without being disturbed by the processed processing liquid F, and the surface treatment is sufficiently performed. Further, the degree of processing is substantially uniform on the upper surface and the lower surface.

The object to be processed Q is blown with the warm air A from the air nozzles 24, 24 at another position between the rollers downstream of the blowing point. As a result, the droplets of the treated treatment liquid F adhering to the workpiece Q are removed and dried. Also at this time, since the discharge path for the droplets and the warm air A is secured by the gap between the object to be processed Q and the upper roller 10 and the lower roller 11, the droplets can be reliably removed and dried.

In FIG. 3, air nozzles 24 and 24 are provided at positions between the rollers immediately after the positions where the processing liquid F is sprayed by the liquid nozzles 23 and 23 to remove and dry the droplets. Alternatively, the droplets may be removed and dried at a position between the rollers with some space therebetween. Further, in that case, a cleaning water nozzle may be provided at a position between the rollers between the spraying position of the processing liquid F and the spraying position of the warm air A, and the processed processing liquid F may be washed away there. The washing water in this case is also the treatment liquid F described above.
In the same manner as in the above case, the gap between the object to be treated Q and the upper roller 10 and the lower roller 11 secures the discharge path of the cleaning water, so that the upper and lower surfaces of the cleaning water are fresh water immediately after being discharged from the cleaning water nozzle. Reliably reaches the object Q to be processed, and the cleaning effect is secured.

As described in detail above, in the horizontal type surface treatment apparatus according to the present embodiment, each roller pair 12 that horizontally conveys the object Q by sandwiching and driving the object to be processed Q is provided at both ends. Since the upper roller 10 and the lower roller 11 each having a shape including the large-diameter portions 3 and 3 and the central small-diameter portion 2 are used, the workpiece Q, the upper roller 10 and the lower roller 11 are formed in the central portion in the width direction. There is a gap corresponding to the step between the large diameter portion 3 and the small diameter portion 2. The gap prevents the treated treatment liquid F from staying at the sprayed portion, and does not prevent contact between the new treatment liquid F and the object to be treated Q. Therefore, the target surface treatment can be sufficiently performed even on the upper surface side where the treated treatment liquid F tends to stay.

As a result, it is possible to perform the same processing on the upper surface side as that on the lower surface side where the processed liquid F which has been processed is less likely to stay due to the effect of gravity, and the horizontal type surface having uniform processing property on the upper and lower surfaces. A processing device is provided. Similarly, at the hot air A spraying location, the discharge path for the treated processing liquid F and the sprayed warm air A is secured by this gap, so that removal and drying of the processing liquid F can be ensured. There is provided a horizontal surface treatment apparatus which is uniformly operated.

Further, because of this gap, the object to be processed Q and the upper roller 10 and the lower roller 11 do not come into direct contact with each other within the range of the small diameter portion 2, so that within the range, the object to be processed Q is trapped by foreign matter. There is no scratch or scratches on the object to be processed Q due to transfer of droplets or the like attached to the upper roller 10 and the lower roller 11. Thus, there is provided a horizontal surface treatment apparatus capable of continuously and efficiently performing highly uniform surface treatment without damaging the main part of the object to be treated Q.

It should be noted that the present invention is not limited to the above-described embodiments, particularly the examples of numerical values and materials shown therein, and various improvements and modifications can be made without departing from the scope of the invention. Of course there is. For example, in the above-mentioned embodiment, as the upper roller 10 and the lower roller 11,
A stepped shape as shown in FIG. 2 was used, but instead of this, as shown in FIG. 4, the diameter in the vicinity of the center in the width direction is set to be the smallest and the roller diameter is continuously changed so that the diameter becomes large toward the end. The shape may be Further, in each roller pair 12, if the upper roller 10 and the lower roller 11 are urged by a spring so as to approach each other, it is convenient to deal with the workpieces Q of various sizes. Further, the object to be processed Q may be a long strip. Further, the upper roller 10 and the lower roller 11 may be arranged alternately.

[0023]

As is apparent from the above description, claim 1
According to the invention, there is provided a horizontal surface treatment apparatus in which the roller does not come into contact with the central portion in the width direction of the object to be treated and various adverse effects due to direct contact are prevented. Further, there is provided a horizontal surface treatment apparatus which prevents the treatment liquid or the treatment gas from staying at the spraying position to improve the treatment property. According to the second aspect of the invention, there is provided a horizontal surface treatment apparatus which prevents the treatment liquid and the like from accumulating on the upper surface side and prevents the accumulation of the treatment liquid on the upper and lower surfaces.

[Brief description of drawings]

FIG. 1 is a schematic perspective view of a horizontal surface treatment apparatus according to an embodiment.

FIG. 2 is a view showing the shapes of upper and lower rollers used in the horizontal surface treatment apparatus of FIG.

FIG. 3 is a diagram illustrating surface treatment by the horizontal surface treatment apparatus of FIG.

FIG. 4 is a diagram showing upper and lower rollers of another shape.

FIG. 5 is a diagram illustrating surface treatment by a conventional horizontal surface treatment apparatus.

[Explanation of symbols]

 2 Small diameter part 3 Large diameter part 10 Upper roller 11 Lower roller 23 Liquid nozzle 24 Air nozzle

Claims (2)

[Claims] 1. A plurality of sets of rollers for sandwiching an object to be processed from above and below, the object to be processed is horizontally driven by the rotation of the rollers, and is positioned at a position between a roller and an adjacent roller. In a horizontal type surface treatment apparatus that performs surface treatment by spraying a treatment liquid or treatment gas onto at least one surface from above and below, an upper roller and a lower roller that constitute rollers immediately before and after the position where the treatment liquid or treatment gas is sprayed. A horizontal surface treatment apparatus characterized in that at least a surface side of the surface to which the processing liquid or the processing gas is sprayed has a shape having a smaller diameter at a widthwise central portion than at a widthwise end portion. 2. A plurality of sets of rollers for sandwiching an object to be processed from above and below, the object to be processed is horizontally driven by the rotation of the rollers, and is positioned at a position between a roller and a roller adjacent to the roller. In a horizontal surface treatment device that performs surface treatment by spraying a treatment liquid or treatment gas onto at least one surface from above and below, the treatment liquid or treatment gas on the object to be treated at a position between a roller and an adjacent roller. At least the upper side of the upper roller and the lower roller that constitute the rollers immediately before and after the position where the processing liquid or the processing gas is sprayed is sprayed on both the upper and lower sides, and the widthwise central portion is the widthwise end portion. A horizontal surface treatment device having a shape with a smaller diameter than the above.