Electrolytic copper foil surface treatment liquid squeezing device

Abstract

The utility model discloses an electrolytic copper foil surface treatment liquid squeezing device which comprises a liquid squeezing roller, adjusting mechanisms are installed at the two ends of a roller shaft of the liquid squeezing roller respectively, and each adjusting mechanism comprises a fine adjustment mechanism and a coarse adjustment mechanism. The fine adjustment mechanism comprises a supporting frame, a fine adjustment seat and a fine adjustment screw rod, the fine adjustment seat is movably installed on the supporting frame and connected with the fine adjustment screw rod, and the fine adjustment seat is connected with a roller shaft of the liquid squeezing roller; the coarse adjustment mechanism comprises a coarse adjustment seat and a coarse adjustment screw rod, and the coarse adjustment seat and the coarse adjustment screw rod are connected to form a structure capable of doing lifting motion; the supporting frame is connected with the coarse adjustment base, and the thread pitch of the fine adjustment screw rod is smaller than that of the coarse adjustment screw rod. The large-amplitude adjustment can be completed through the coarse adjustment mechanism, the small-amplitude adjustment can be completed through the fine adjustment mechanism, mutual cooperation of coarse adjustment and fine adjustment is achieved, and the adjustment precision and the adjustment efficiency are both considered. And the device is relatively simple in structure, relatively flexible and convenient to adjust the liquid squeezing roller, and high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary production equipment for electrolytic copper foils, and particularly relates to a squeezing device for surface treatment of electrolytic copper foils. Background Art

[0002] Electrolytic copper foil is a commonly used material in the electronics industry, mainly used for manufacturing printed circuit boards and other electronic components. The preparation process of electrolytic copper foil mainly includes processes such as electrolyte preparation, raw foil manufacturing, surface treatment, slitting inspection, and packaging. Among them, raw foil manufacturing uses the electrolysis principle in an electrolytic cell, with an insoluble anode and a rotating cathode roller for electrolysis; copper ions in the electrolyte move towards the anode under the action of direct current and are reduced to copper atoms on the cathode, depositing on the surface of the cathode roller to form copper foil. During the raw foil process, the copper foil is exposed to the air. Copper is an active metal and easily reacts with oxygen in the air to form copper oxide. This oxide layer will not only affect the electrical conductivity of the copper foil but may also affect its subsequent processing and use. Therefore, after the electrolytic copper foil deposited on the cathode roller is peeled off, it needs to be surface-treated to prevent oxidation. The surface-treated copper foil carries a large amount of anti-oxidation aqueous solution. If not treated, it will cause the anti-oxidation aqueous solution remaining on the surface of the copper foil to enter the copper foil roll, resulting in defects such as oxidation and wrinkling of the copper foil, seriously affecting the quality of the copper foil. Currently, the commonly used squeezing devices still have some drawbacks. For example, it is difficult to accurately control the levelness and compaction degree of the up-and-down fine adjustment of the squeezing roller, resulting in local areas on the surface of the copper foil after squeezing still remaining with anti-oxidation liquid; another example is that only one set of adjustment systems is set, with only one adjustment mode, unable to achieve a dynamic balance between fine adjustment and coarse adjustment, and unable to take into account both adjustment accuracy and adjustment efficiency. Content of the Utility Model

[0003] Aiming at the shortcomings of the prior art, the utility model provides a squeezing device for surface treatment of electrolytic copper foils with a simple structure, which can combine coarse adjustment and fine adjustment, and has higher adjustment accuracy and adjustment efficiency.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: A squeezing device for surface treatment of electrolytic copper foils includes a squeezing roller, and adjusting mechanisms are respectively installed at both ends of the roller shaft of the squeezing roller. The adjusting mechanism includes a fine adjustment mechanism and a coarse adjustment mechanism; the fine adjustment mechanism includes a support frame, a fine adjustment seat, and a fine adjustment screw. The fine adjustment seat is movably installed on the support frame and connected to the fine adjustment screw to form a structure that can perform lifting adjustment. The fine adjustment seat is connected to the roller shaft of the squeezing roller; the coarse adjustment mechanism includes a coarse adjustment seat and a coarse adjustment screw. The coarse adjustment seat is connected to the coarse adjustment screw to form a structure that can perform lifting movement; the support frame is connected to the coarse adjustment seat to form a structure that can lift synchronously with the coarse adjustment seat. The thread pitch of the fine adjustment screw is smaller than the thread pitch of the coarse adjustment screw.

[0005] Further, the support frame is in a U-shaped structure with its opening facing the squeezing roller. The micro-adjustment seat is vertically and movably installed in the support frame through two guide columns. The fine-adjustment screw rod extends downward from the upper part of the support frame and is connected to the micro-adjustment seat, and the top end of the fine-adjustment screw rod extends above the support frame.

[0006] Further, a fine-adjustment positioning screw is provided at the bottom of the support frame. The top end of the fine-adjustment positioning screw abuts against the bottom surface of the micro-adjustment seat to form a positioning structure for the fine-adjustment process.

[0007] Further, the roller shaft is connected to the micro-adjustment seat through a bearing and a bearing seat.

[0008] Further, a keyway is provided on the support frame. The support frame is movably assembled with the coarse-adjustment seat through its keyway to form a vertically slidable structure.

[0009] Further, the coarse-adjustment seat is vertically installed between two fixed plates through two guide rods. The coarse-adjustment screw rod is installed on the upper fixed plate and extends downward to be connected to the coarse-adjustment seat.

[0010] Further, a coarse-adjustment handwheel is provided above the upper fixed plate. The coarse-adjustment screw rod passes through the upper fixed plate and is connected to the coarse-adjustment handwheel.

[0011] Further, a coarse-adjustment positioning screw is installed on the lower fixed plate. The coarse-adjustment positioning screw abuts against the coarse-adjustment seat to form a positioning structure for the coarse-adjustment process.

[0012] In the present utility model, a coarse-adjustment mechanism and a fine-adjustment mechanism are simultaneously arranged at both ends of the roller shaft. The larger-scale adjustment is completed by the coarse-adjustment mechanism, and the smaller-scale adjustment is completed by the fine-adjustment mechanism, realizing the mutual cooperation between the coarse adjustment and the fine adjustment, so as to achieve a balance between the fine adjustment and the coarse adjustment, and taking into account both the adjustment accuracy and the adjustment efficiency. At the same time, the structure of the whole device is relatively simple, the adjustment operation of the squeezing roller is relatively flexible and convenient, and the practicability is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0014] Figure 2 is Figure 1 an enlarged view of part A of

[0015] Figure 3 is Figure 1 an enlarged view of part B of

[0016] In the figure, 1 is the squeezing roller, 11 is the roller shaft, 2 is the fine adjustment mechanism, 21 is the support frame, 22 is the fine adjustment seat, 23 is the fine adjustment screw, 24 is the guide post, 25 is the fine adjustment positioning screw, 3 is the coarse adjustment mechanism, 31 is the fixed plate, 32 is the coarse adjustment seat, 33 is the coarse adjustment screw, 34 is the coarse adjustment handwheel, 35 is the guide rod, 36 is the coarse adjustment positioning screw, and 4 is the bearing seat. Specific implementation mode

[0017] In this embodiment, referring to Figures 1-3 , in the surface treatment squeezing device for electrolytic copper foil, there is a squeezing roller 1, and adjustment mechanisms are respectively installed at both ends of the roller shaft 11 of the squeezing roller 1. The adjustment mechanism includes a fine adjustment mechanism 2 and a coarse adjustment mechanism 3; the fine adjustment mechanism 2 includes a support frame 21, a fine adjustment seat 22 and a fine adjustment screw 23. The fine adjustment seat 22 is movably installed on the support frame 21 and connected to the fine adjustment screw 23 to form a structure that can be adjusted up and down. The fine adjustment seat 22 is connected to the roller shaft 11 of the squeezing roller 1; the coarse adjustment mechanism 3 includes a coarse adjustment seat 32 and a coarse adjustment screw 33. The coarse adjustment seat 32 is connected to the coarse adjustment screw 33 to form a structure that can move up and down; the support frame 21 is connected to the coarse adjustment seat 32 to form a structure that can be lifted and lowered synchronously with the coarse adjustment seat 32. The thread pitch of the fine adjustment screw 23 is smaller than the thread pitch of the coarse adjustment screw 33, so that the distance adjusted by the fine adjustment mechanism 2 in one turn is smaller than the distance adjusted by the coarse adjustment mechanism 3.

[0018] The support frame 21 has a U-shaped structure, and its opening faces the squeezing roller 1. The fine adjustment seat 22 is vertically and movably installed in the support frame 21 through two guide posts 24; the fine adjustment screw 23 extends downward from the upper part of the support frame 21 and is connected to the fine adjustment seat 22, and the top end of the fine adjustment screw 23 extends above the support frame 21 for adjustment operation.

[0019] A fine adjustment positioning screw 25 is provided at the bottom of the support frame 21. The top end of the fine adjustment positioning screw 25 abuts against the bottom surface of the fine adjustment seat 22 to form a positioning structure for the fine adjustment process.

[0020] The roller shaft 11 is connected to the fine adjustment seat 22 through a bearing and a bearing seat 4.

[0021] A keyway (blocked, which is prior art, such as a dovetail groove type sliding fit structure can be adopted) is provided on the support frame 21. The support frame 21 is movably assembled with the coarse adjustment seat 32 through its keyway to form a structure that can slide up and down. When the coarse adjustment seat 32 rises or falls, it will carry the support frame 21 to rise or fall together.

[0022] The coarse adjustment seat 32 is vertically installed between two fixed plates 31 through two guide rods 35. The coarse adjustment screw 33 is installed on the upper fixed plate 31 and extends downward to be connected to the coarse adjustment seat 32.

[0023] Above the upper fixing plate 31, a coarse adjustment handwheel 34 is provided. The coarse adjustment screw 33 passes through the upper fixing plate 31 and is connected to the coarse adjustment handwheel 34. Rotate the coarse adjustment handwheel 34.

[0024] On the lower fixing plate 31, a coarse adjustment positioning screw 36 is installed. By pressing against the coarse adjustment base 32 with the coarse adjustment positioning screw 36, a positioning structure for the coarse adjustment process is formed.

[0025] During use, if the position error of the squeezing roller 1 is relatively large, first perform coarse adjustment by rotating the coarse adjustment handwheel 34. During coarse adjustment, rotate the coarse adjustment screw 33 by driving the coarse adjustment handwheel 34, and drive the coarse adjustment base 32 to move up or down, which will cause the micro adjustment base 22 to move up or down accordingly. After the coarse adjustment is in place, rotate the coarse adjustment positioning screw 36 to press against and position the coarse adjustment base 32. The position error of the squeezing roller 1 has become smaller. At this time, the position should be finely adjusted through the fine adjustment mechanism 2. During fine adjustment, rotate the fine adjustment screw 23 to drive the micro adjustment base 22 to move up or down. After the fine adjustment is in place, rotate the fine adjustment positioning screw 25 to press against and position the micro adjustment base 22, that is, the precise adjustment of the squeezing roller 1 is achieved through the combination of coarse adjustment and fine adjustment.

[0026] The above has made a detailed description of the present utility model. The above is only the preferred embodiment of the present utility model, and it cannot limit the scope of implementation of the present utility model. That is, all equivalent changes and modifications made according to the scope of this application should still fall within the scope covered by the present utility model.

Claims

1. A liquid squeezing device for surface treatment of electrolytic copper foil, comprising a liquid squeezing roller, with adjustment mechanisms installed at both ends of the roller shaft of the liquid squeezing roller, characterized in that: The adjusting mechanism includes a fine-adjusting mechanism and a coarse-adjusting mechanism; the fine-adjusting mechanism includes a supporting frame, a fine-adjusting seat and a fine-adjusting screw, the fine-adjusting seat is movably mounted on the supporting frame and connected with the fine-adjusting screw to form a structure capable of lifting and lowering adjustment, the fine-adjusting seat is connected with the roller shaft of the extrusion roller; the coarse-adjusting mechanism includes a coarse-adjusting seat and a coarse-adjusting screw, the coarse-adjusting seat is connected with the coarse-adjusting screw to form a structure capable of lifting and lowering movement; the supporting frame is connected with the coarse-adjusting seat to form a structure capable of synchronous lifting and lowering with the coarse-adjusting seat, the thread pitch of the fine-adjusting screw is smaller than the thread pitch of the coarse-adjusting screw.

2. The electrolytic copper foil surface treatment liquid squeezing device according to claim 1, characterized in that: The support frame is in a U-shaped structure with its opening facing the squeezing roller. The fine-adjustment seat is movably and vertically installed in the support frame through two guide pillars. The fine-adjustment screw extends downward from the upper part of the support frame to connect with the fine-adjustment seat, and the top end of the fine-adjustment screw extends above the support frame.

3. The electrolytic copper foil surface treatment liquid squeezing device according to claim 1 or 2, characterized in that: A fine-tuning positioning screw is arranged at the bottom of the support frame, and a positioning structure for the fine-tuning process is formed by the top end of the fine-tuning positioning screw abutting against the bottom surface of the fine-tuning seat.

4. The electrolytic copper foil surface treatment liquid squeezing device according to claim 1, characterized in that: The roller shaft is connected with the fine adjustment seat through a bearing and a bearing seat.

5. The electrolytic copper foil surface treatment liquid squeezing device according to claim 2, characterized in that: A keyway is arranged on the support frame, and the support frame is movably assembled with the coarse adjustment seat through the keyway to form a structure capable of sliding up and down.

6. The electrolytic copper foil surface treatment liquid squeezing device according to claim 1, characterized in that: The coarse adjustment seat is vertically installed between two fixed plates through two guide rods, and the coarse adjustment screw is installed on the upper fixed plate and extends downward to be connected with the coarse adjustment seat.

7. The electrolytic copper foil surface treatment liquid squeezing device according to claim 6, characterized in that: A coarse adjustment hand wheel is arranged above the upper fixed plate, and a coarse adjustment screw passes through the upper fixed plate and is connected with the coarse adjustment hand wheel.

8. The electrolytic copper foil surface treatment liquid squeezing device according to claim 6, characterized in that: A coarse adjustment positioning screw is arranged on the fixing plate below, and a positioning structure for the coarse adjustment process is formed by the coarse adjustment positioning screw pressing against the coarse adjustment seat.

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