A drying equipment for electrolytic copper foil production

Abstract

The present invention relates to a drying device for producing electrolytic copper foil, comprising a cathode roller, a winding guide roller, and a water pressure roller, respectively located at the front and rear sides of the cathode roller in the direction of rotation. The copper foil is located on the surface of the cathode roller, and the copper foil moves toward the winding guide roller via the water pressure roller. The device further comprises: a guide rail, arranged outside the direction of rotation of the cathode roller; a movable unit, sliding on the guide rail, the movable unit having a mounting surface; a blowing device, having an air outlet facing the cathode roller; and an adjusting portion, having a fixed end and a telescopic end connected to the fixed end, the fixed end being mounted on the mounting surface, the telescopic end being connected to the blowing device. In the drying device for producing electrolytic copper foil, the blowing device and the acid mist concentration detector can slide on the guide rail via the movable unit, allowing for wide adjustment. The adjusting portion can also adjust the distance between the blowing device and the copper foil, facilitating detection and drying of the copper foil surface and improving efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of electrolytic copper foil production, in particular to drying equipment for electrolytic copper foil production. Background Art

[0002] Copper foil is a cathodic electrolytic material. A thin, continuous layer of metal deposited on the substrate of a circuit board serves as the conductor of the PCB. It easily adheres to the insulating layer, accepts the printed protective layer, and forms the circuit pattern after corrosion. With the widespread application of copper foil, the electrolytic copper foil industry has experienced rapid development. However, optimizing the process parameters and equipment for electrolytic copper foil production is a prerequisite for optimal equipment construction.

[0003] During the copper foil production process, the electrolyte in the electrolytic cell evaporates, and the acid gas content in the air is high, which has a great impact on copper foil production and is very likely to cause quality problems such as the copper foil's acid mist point. In addition, the existing electrolytic copper foil drying system is difficult to accurately control the blowing volume, and the blowing efficiency is not high.

[0004] Application publication number CN 114322519 A describes a hot air drying device for electrolytic copper foil production. The device features an air blowing device installed outside the cathode roller, between the winding guide roller and the water pressure roller. The device includes a hot air outlet facing the water pressure roller and a cold air outlet facing the winding guide roller. A detection device measures the acid mist concentration in the water pressure roller area and the copper foil temperature in the winding guide roller area. However, the air blowing device and the acid mist concentration detector are not adjustable and have a limited range of motion, making it difficult to inspect and dry the copper foil surface, resulting in low efficiency. Summary of the Invention

[0005] The purpose of the present invention is to overcome the above-mentioned technical deficiencies and propose a drying equipment for electrolytic copper foil production to solve the technical problems in the prior art that the existing copper foil production method is prone to produce copper foil acid mist point affecting the quality of the copper foil and it is difficult to accurately control the blowing volume affecting the blowing efficiency.

[0006] In order to achieve the above technical objectives, the technical solution of the present invention includes a drying device for electrolytic copper foil production, including a cathode roller and a winding guide roller and a water pressure roller respectively located on the front and rear sides of the rotation direction of the cathode roller, the copper foil is located on the surface of the cathode roller, and the copper foil moves toward the winding guide roller via the water pressure roller, and also includes: a guide rail, which is arranged on the outside of the rotation direction of the cathode roller; a moving unit, which slides on the guide rail, and the moving unit has a mounting surface; a blowing device, which has an air outlet facing the cathode roller; an adjusting part, which has a fixed end and a fixed end connected to the fixed end. A telescopic end at a fixed end, the fixed end is mounted on the mounting surface, the telescopic end is connected to the blowing device, and the adjusting portion is used to drive the blowing device to move relative to the cathode roller to adjust the distance between the blowing device and the copper foil; an acid mist concentration detector is mounted on the mounting surface for detecting the acid mist concentration on the copper foil; the blowing device and the acid mist concentration detector slide on the guide rail via the moving unit and are located between the winding guide roller and the water pressure roller to dry different positions of the copper foil between the winding guide roller and the water pressure roller and detect the acid mist concentration.

[0007] Preferably, the movable unit includes a block, at least two pulleys and a driver, the block is located on one side of the guide rail, at least two of the pulleys are rotatably mounted on the block, and at least two of the pulleys are arranged opposite to each other and form a clamping area therebetween, the guide rail is located in the clamping area, the two pulleys respectively contact the top and bottom of the guide rail, the pulleys can slide on the guide rail, the driver is provided on the block and is transmission-connected to the guide rail, and at least two of the pulleys slide on the guide rail via the driver to drive the block to move along the length direction of the guide rail.

[0008] Preferably, the driver includes a power unit and a gear, the power unit is provided on the block, the gear is installed on the output portion of the power unit, and the gear is engaged with the guide rail.

[0009] Preferably, it further comprises teeth, which are arranged along the extension direction of the guide rail and mesh with the gear.

[0010] Preferably, it further comprises a telescopic cylinder, which is arranged between the block and the blowing device, and two ends of the telescopic cylinder are fixedly connected to the block and the blowing device respectively.

[0011] Preferably, two groups of telescopic cylinders are provided, and the adjusting portion is located between the two groups of telescopic cylinders.

[0012] Preferably, the adjusting portion is an electric telescopic rod, one end of the electric telescopic rod is mounted on the mounting surface and fixedly connected to the block, and the other end of the electric telescopic rod is fixedly connected to the blowing device.

[0013] Preferably, it further comprises a bracket, and the acid mist concentration detector is installed on the block through the bracket.

[0014] Preferably, the acid mist concentration detector has a detection end, and the detection end faces the cathode roller.

[0015] Preferably, the guide rail is configured to be arc-shaped.

[0016] Compared with the prior art, the beneficial effects of the present invention include: the drying equipment for electrolytic copper foil production is provided with a guide rail, a movable unit, a blowing device, an adjusting part and an acid mist concentration detector; the acid mist concentration detector and the blowing device move on the guide rail through the movable unit; the acid mist concentration detector and the blowing device can detect the acid mist concentration at different positions above the copper foil between the winding guide roller and the water pressure roller and blow away the acid mist; the blowing device dries the copper foil; the adjusting part can adjust the distance between the copper foil and the blowing device, thereby improving the drying efficiency of the copper foil by the blowing device; the drying equipment for electrolytic copper foil production, the blowing device and the acid mist concentration detector can slide on the guide rail through the movable unit and can be adjusted to a large extent; and the distance between the blowing device and the copper foil can be adjusted through the adjusting part, thereby facilitating the detection and drying of the copper foil surface and improving efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic structural diagram of the present invention;

[0018] Figure 2 The structure of the present invention Figure 1 A partial enlarged view of point A.

[0019] Figure numerals: 10, cathode roller; 20, water pressure roller; 30, winding guide roller; 40, guide rail; 50, moving unit; 51, block; 52, pulley; 53, drive; 531, power unit; 532, gear; 60, blowing device; 70, adjustment part; 80, acid mist concentration detector; 90, teeth; 100, telescopic cylinder; 110, bracket. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0021] like Figure 1-2As shown, the present invention provides a drying device for electrolytic copper foil production, comprising a cathode roller 10, a water pressure roller 20, a winding guide roller 30, a guide rail 40, a mobile unit 50, a blowing device 60, an adjustment unit 70, and an acid mist concentration detector 80. The winding guide roller 30 and the water pressure roller 20 are located in the front and rear sides of the rotation direction of the cathode roller 10. The conveying track of the copper foil passes through the water pressure roller 20 and the winding guide roller 30 in sequence. The blowing device 60 is installed on the mobile unit 50 through the adjustment unit 70. The blowing device 60 Towards the copper foil, the blowing device 60 is used to blow away the acid mist in the electrolytic copper foil between the water press roller 20 and the winding guide roller 30, thereby reducing the impact of the acid mist in the air on the copper foil and drying the copper foil at the same time. The adjustment part 70 can adjust the distance between the blowing device 60 and the copper foil. The acid mist concentration detector 80 is installed on the moving unit 50. The moving unit 50 drives the blowing device 60 and the acid mist concentration detector 80 to slide on the guide rail 40 to dry and detect the copper foil between the winding guide roller 30 and the water press roller 20. The acid mist concentration detector 80 is used to detect the acid mist concentration in different electrolytic copper foil areas (the area where the copper foil is located between the winding guide roller 30 and the water pressure roller 20), and transmit the acid mist concentration at different electrolytic copper foil positions to an external controller via Bluetooth or Wi-Fi. The acid mist concentration is fed back to the mobile unit 50 through the controller, and the mobile unit 50 drives the blowing device 60 to move. The adjustment part 70 can adjust the distance between the blowing device 60 and the copper foil. The blowing device 60 moves to dry the surface of the copper foil. The controller controls the air outlet volume and air outlet temperature corresponding to the blowing device 60 at different acid mist concentration positions. The greater the acid mist concentration, the higher the air outlet volume and air outlet temperature, and vice versa, thereby improving the precise control efficiency.

[0022] The winding guide roller 30 and the water pressing roller 20 are located at the front and rear sides of the cathode roller 10 in the rotation direction. The copper foil is located on the surface of the cathode roller 10 and moves toward the winding guide roller 30 via the water pressing roller 20 .

[0023] In this embodiment, the guide rail 40 is configured to be arc-shaped, and is disposed outside the cathode roller 10 in the rotation direction.

[0024] The moving unit 50 slides on the guide rail 40 , and the moving unit 50 has a mounting surface;

[0025] The blowing device 60 has an air outlet facing the cathode roller 10 , and the blowing device 60 can control the size of the wind and the temperature.

[0026] The adjusting portion 70 has a fixed end and a telescopic end connected to the fixed end, the fixed end is mounted on the mounting surface, and the telescopic end is connected to the blowing device 60. The adjusting portion 70 is used to drive the blowing device 60 to move relative to the cathode roller 10 to adjust the distance between the blowing device 60 and the copper foil; the adjusting portion 70 is an electric telescopic rod, one end of the electric telescopic rod is located on the mounting surface and fixedly connected to the block 51, and the other end of the electric telescopic rod is fixedly connected to the blowing device 60.

[0027] An acid mist concentration detector 80 is mounted on the mounting surface and is used to detect the acid mist concentration on the copper foil. The acid mist concentration detector 80 has a detection end that faces the cathode roller 10. The acid mist concentration detector 80 is movable on the guide rail 40 via the movement unit 50 to detect the acid mist concentration at different locations above the copper foil between the winding guide roller 30 and the squeeze roller 20.

[0028] The blowing device 60 and the acid mist concentration detector 80 slide on the guide rail 40 via the moving unit 50 and are located between the winding guide roller 30 and the water pressure roller 20 to dry different positions of the copper foil between the winding guide roller 30 and the water pressure roller 20 and detect the acid mist concentration.

[0029] Specifically, the moving unit 50 includes a block 51, at least two pulleys 52 and a driver 53. The block 51 is located on one side of the guide rail 40. At least two of the pulleys 52 can be rotatably installed on the block 51, and at least two of the pulleys 52 are arranged opposite to each other and form a clamping area therebetween. The guide rail 40 is located in the clamping area. The two pulleys 52 respectively conflict with the top and bottom of the guide rail 40. The pulley 52 can slide on the guide rail 40. The driver 53 is provided on the block 51 and is transmission-connected to the guide rail 40. The driver 53 is fixedly installed on the block 51. At least two of the pulleys 52 slide on the guide rail 40 via the driver 53 to drive the block 51 to move along the length direction of the guide rail 40.

[0030] In this embodiment, four pulleys 52 are provided, two pulleys 52 abut against the top of the guide rail 40 , and two pulleys 52 abut against the bottom of the guide rail 40 .

[0031] Specifically, the driver 53 includes a power unit 531, a gear 532, and teeth 90. The power unit 531 is provided in the block 51, and the gear 532 is mounted on the output portion of the power unit 531. The gear 532 meshes with the guide rail 40. The teeth 90 are arranged along the extension direction of the guide rail 40 and mesh with the gear 532. The power unit 531 is fixedly mounted on the block 51.

[0032] In this embodiment, the power unit 531 is a servo motor, which is fixedly connected to the block 51. The output shaft of the servo motor is fixedly connected to the axis of the gear 532. The servo motor drives the gear 532 to rotate, and the gear 532 moves on the teeth 90 set on the guide rail 40. The four pulleys 52 slide on the surface of the guide rail 40. The gear 532 moves on the teeth 90, thereby achieving the movement of the block 51. The adjustment part 70 and the acid mist concentration detector 80 move with the movement of the block 51.

[0033] Specifically, the telescopic cylinder 100 is further included. The telescopic cylinder 100 is disposed between the block 51 and the blowing device 60, and the ends of the telescopic cylinder 100 are fixedly connected to the block 51 and the blowing device 60, respectively. Two sets of telescopic cylinders 100 are provided, and the adjustment portion 70 is located between the two sets of telescopic cylinders 100. The configuration of the telescopic cylinder 100 is conventional technology in the art and is well known to those skilled in the art, so it will not be described in detail here.

[0034] Specifically, a bracket 110 is further included, and the acid mist concentration detector 80 is installed on the block 51 through the bracket 110 .

[0035] The bracket 110 can be a fixed bracket or a bracket that can be bent and adjusted in angle. In this embodiment, the bracket 110 is a bracket that can be bent and adjusted in angle. The bracket 110 can adjust the angle and direction of the acid mist concentration detector 80.

[0036] The acid mist concentration detector 80 and the blowing device 60 move on the guide rail 40 through the moving unit 50. The acid mist concentration detector 80 and the blowing device 60 can detect the acid mist concentration at different positions above the copper foil between the winding guide roller 30 and the water pressure roller 20 and blow away the acid mist. The blowing device 60 dries the copper foil. The adjustment part 70 can adjust the distance between the copper foil and the blowing device 60 to improve the drying efficiency of the copper foil by the blowing device 60. In the drying equipment for electrolytic copper foil production, the blowing device 60 and the acid mist concentration detector 80 can slide on the guide rail 40 through the moving unit 50 and can be adjusted to a large extent. The distance between the blowing device 60 and the copper foil can be adjusted by the adjustment part 70, which is convenient for detecting and drying the surface of the copper foil.

[0037] The specific embodiments of the present invention described above do not limit the scope of protection of the present invention. Any other corresponding changes and modifications made based on the technical concept of the present invention should be included in the scope of protection of the claims of the present invention.

Claims

1. A drying device for producing electrolytic copper foil, comprising a cathode roller and a winding guide roller and a water pressure roller respectively located on the front and rear sides of the cathode roller in the direction of rotation, wherein the copper foil is located on the surface of the cathode roller and moves toward the winding guide roller via the water pressure roller, characterized in that: Also includes: A guide rail is provided on the outer side of the cathode roller in the rotation direction, and the guide rail is arranged in an arc shape; A moving unit that slides on the guide rail, the moving unit having a mounting surface, including a block, at least two pulleys, and a driver, the block being located on one side of the guide rail, the at least two pulleys being rotatably mounted on the block, and the at least two pulleys being arranged opposite to each other and forming a clamping area therebetween, the guide rail being located in the clamping area, the two pulleys respectively contacting the top and bottom of the guide rail, the pulleys being slidable on the guide rail, the driver being located on the block and being transmission-connected to the guide rail, the at least two pulleys sliding on the guide rail via the driver to drive the block to move along the length direction of the guide rail; a blowing device having an air outlet facing the cathode roller; an adjusting portion having a fixed end and a telescopic end connected to the fixed end, the fixed end being mounted on the mounting surface, the telescopic end being connected to the blowing device, the adjusting portion being used to drive the blowing device to move relative to the cathode roller to adjust the distance between the blowing device and the copper foil; an acid mist concentration detector, mounted on the mounting surface, for detecting the acid mist concentration on the copper foil; The blowing device and the acid mist concentration detector slide on the guide rail via the moving unit and are located between the winding guide roller and the water pressure roller to dry different positions of the copper foil between the winding guide roller and the water pressure roller and detect the acid mist concentration; It also includes a telescopic cylinder, which is arranged between the block and the blowing device, and two ends of the telescopic cylinder are fixedly connected to the block and the blowing device respectively.

2. The drying equipment for producing electrolytic copper foil according to claim 1, characterized in that: The driver includes a power unit and a gear. The power unit is arranged on the block. The gear is installed on the output part of the power unit. The gear is engaged with the guide rail.

3. The drying equipment for producing electrolytic copper foil according to claim 2, characterized in that: It also includes teeth, which are arranged along the extension direction of the guide rail and mesh with the gear.

4. The drying equipment for producing electrolytic copper foil according to claim 1, characterized in that: The telescopic cylinders are provided in two groups, and the adjusting portion is located between the two groups of telescopic cylinders.

5. The drying equipment for producing electrolytic copper foil according to claim 4, characterized in that: The adjusting part is an electric telescopic rod, one end of which is mounted on the mounting surface and fixedly connected to the block, and the other end of which is fixedly connected to the blowing device.

6. The drying equipment for producing electrolytic copper foil according to claim 5, characterized in that: It also includes a bracket, and the acid mist concentration detector is installed on the block through the bracket.

7. The drying equipment for producing electrolytic copper foil according to claim 6, characterized in that: The acid mist concentration detector has a detection end, and the detection end faces the cathode roller.

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