Non-contact vertical lifting electroplating equipment

Abstract

The invention discloses non-contact type vertical lifting electroplating equipment which comprises a fixed platform, supporting columns and channel steel. The electroplating equipment is characterized in that the fixed platform, the supporting columns and the channel steel jointly form a main body frame structure of the electroplating equipment; inverted U-shaped steel is fixedly connected to the middle of the upper surface of the fixed platform; the middle of the U-shaped steel is fixedly connected with a vertically-arranged oil cylinder through a first supporting plate. The output end of the oil cylinder is fixedly connected with a connecting plate; the circuit board on the hanging tool can be vertically lifted and horizontally transferred in a non-contact manner; as the circuit board on the hanger does not contact with the roller and the wall of the electroplating bath and other objects, the problem that the subsequent electroplating effect is influenced by collision damage, roller marks and the like is avoided, in addition, the structure is compact, the electroplating continuity is good, the circuit board does not need to contact with other carriers such as a transfer frame in the transfer process, the external interference factors are few, and the production cost is low. And the electroplating effect is relatively stable, and the product quality judgment rate is relatively low.

Description

Technical Field

[0001] The invention belongs to the technical field of electroplating hangers, and in particular relates to a contactless vertical lifting electroplating device. Background Art

[0002] PCB, or printed circuit board, plays a vital role in the production of printed circuit boards. By applying an electrolyte containing copper ions in the plating tank and using electrolysis to evenly deposit a layer of copper foil on the surface of the PCB, this process significantly improves the conductivity, corrosion resistance and welding performance of the circuit board, ensuring the stability and reliability of the circuit connection.

[0003] In the current PCB electroplating process, a roller conveyor system is usually used to transport the PCB to the electroplating, water washing and pickling treatment tanks. In this process, the PCB acts as the cathode and the electroplating solution acts as the anode. When the PCB is immersed in the electroplating tank, a layer of copper foil is deposited on the surface.

[0004] However, during the electroplating transfer process of the circuit board, since it must be in contact with the roller to achieve transportation, the contact point between the roller and the circuit board is very likely to leave marks during the transfer process, and may cause friction damage with the wall of the electroplating tank. These damages will directly affect the quality of subsequent electroplating. Summary of the invention

[0005] The purpose of the present invention is to provide a contactless vertical lifting electroplating equipment to solve the technical problem in the prior art that the circuit board comes into contact with the roller and the wall of the electroplating tank during the transfer process, which easily causes marks and friction damage on the surface of the circuit board, thus affecting the subsequent electroplating effect.

[0006] The purpose of the present invention can be achieved through the following technical solutions: A contactless vertical lifting electroplating equipment, comprising a fixed platform, a support column and a channel steel; the fixed platform, the support column and the channel steel together constitute the main frame structure of the electroplating equipment; an inverted U-shaped steel is fixedly connected to the middle of the upper surface of the fixed platform; a vertically arranged oil cylinder is fixedly connected to the middle of the U-shaped steel via a first support plate; a connecting plate is fixedly connected to the output end of the oil cylinder; columns are arranged on both sides between the U-shaped steel and the channel steel; chain conveying mechanisms are arranged at both ends of the columns; a hoisting mechanism is slidably arranged on the columns; second guide wheels are symmetrically arranged in the upper and lower parts of the main frame; a movable frame that can be moved horizontally is also symmetrically arranged in the upper and lower parts of the main frame; a symmetrically arranged first joint is connected to the movable frame; a second joint is connected to one end of the movable frame close to the oil cylinder and the four corners of the connecting plate; a rotatable first guide wheel is fixedly arranged at the position of the channel steel corresponding to the column; a support wire rope is fixedly connected to the first joint; a main wire rope is fixedly connected to the second joint; a movable platform is arranged in the middle of the main frame.

[0007] Preferably, the lifting mechanism includes a boom slidably arranged on a column, and the boom is an L-shaped structure; a hanger is hung on the outer end of the boom; two first rollers are rotatably connected to the inner end of the boom, and the first rollers are slidably connected to the inner grooves of the column and maintain the horizontal arrangement of the boom; L-shaped steel is fixedly connected to the end faces on both sides of the mobile platform; a fixing rod is fixedly connected to a side of the boom close to the L-shaped steel; and a second roller is rotatably connected to the fixing rod.

[0008] Preferably, the main steel wire rope on the same side is a main steel wire rope group, which has only four main steel wire rope groups and are respectively located on both sides of the oil cylinder; the branch steel wire ropes corresponding to each other above and below are a branch steel wire rope group; the main steel wire rope group on the same side and any other group of branch steel wire rope groups form a rectangular rope structure connected end to end.

[0009] Preferably, the column is fixedly connected to a bearing seat located above the main frame at a position corresponding to the bottom of the channel steel; the upper surface of the fixed platform is fixedly connected to a bearing seat located below the main frame via a second support plate; and an axle rod is commonly connected between the bearing seats along the width direction of the main frame.

[0010] Preferably, the second guide wheel located at the upper part of the main frame and the second guide wheel located at the lower part of the main frame are fixedly connected to the corresponding shaft rods respectively.

[0011] Preferably, the movable frames are provided in two groups and are respectively located on both sides of the oil cylinder; the first guide wheel is slidably connected to the movable frame.

[0012] Preferably, the support steel wire rope and the main steel wire rope are respectively wound and connected with the corresponding second guide wheels; there are multiple second guide wheels, which are divided into two groups and are respectively located on both sides of the oil cylinder; the connecting plate is an I-shaped structure, and the second joint is connected to the four corners on both sides of the connecting plate; the end of the main steel wire rope away from the second joint is connected to the connecting plate; the ends of the support steel wire ropes corresponding to each other above and below and away from the first joint are fixedly connected to the mobile platform via an I-shaped plate.

[0013] Preferably, the fixed platform and the channel steel are parallel to each other, and the channel steel is located above the fixed platform; the fixed platform and both sides of the channel steel are connected to each other through support columns.

[0014] Preferably, a plurality of evenly distributed transverse plates are fixedly connected to the movable frame; the first joints are respectively connected to two sides of the movable frame close to one end of the U-shaped steel and two ends of the transverse plates.

[0015] Preferably, when the mobile platform rises, the L-shaped steel can apply an upward force to all the second rollers thereon, thereby causing the boom to move upward on the column; when the mobile platform descends, the boom will automatically follow the descent under the action of gravity, always keeping the second rollers in contact with the upper surface of the L-shaped steel.

[0016] Beneficial effects of the present invention: The present invention can drive the mobile platform to move vertically on the column through the cooperation of the main steel wire rope and the support steel wire rope, and can make the column move horizontally within the constructed main frame through the chain conveying mechanism, so that the circuit board on the hanger can be vertically lifted and lowered and horizontally transferred in a contactless manner; because the circuit board on the hanger does not contact objects such as the roller and the wall of the electroplating tank, there will be no problems such as bump damage and roller marks that affect the subsequent electroplating effect. In addition, due to the compact structure and good electroplating continuity, there is no need to contact other carriers such as the transfer rack during the transfer of the circuit board, there are fewer external interference factors, the electroplating effect is relatively stable, and the product quality defect rate is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below in conjunction with the accompanying drawings.

[0018] Figure 1 is a side view of the present invention; Figure 2 yes Figure 1 A partial enlarged view of the middle A; Figure 3 is a front view of the present invention; Figure 4 yes Figure 3 A partial enlarged view of point B in the middle; Figure 5 yes Figure 3 A partial enlarged view of point C in the middle; Figure 6 yes Figure 3 A partial enlarged view of point D in the middle; Figure 7 It is a schematic diagram of the coordination of the main steel wire rope group and the branch steel wire rope group in the present invention; Figure 8 It is a top view of the movable frame in the present invention; Fig. 9 It is a front view of the movable frame in the present invention.

[0019] In the figure: 1. fixed platform; 2. U-shaped steel; 3. support leg; 4. first support plate; 5. oil cylinder; 6. connecting plate; 7. column; 8. first roller; 81. fixed rod; 82. second roller; 9. channel steel; 91. support column; 10. L-shaped steel; 11. first guide wheel; 12. second guide wheel; 13. shaft rod; 14. second support plate; 15. movable frame; 16. cross plate; 17. first joint; 18. main wire rope; 19. support wire rope; 20. second joint; 21. mobile platform; 22. U-shaped plate; 23. bearing seat; 24. boom; 25. hanger. DETAILED DESCRIPTION

[0020] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] See also Figure 1 , Figure 3 As shown in Figures , and , a contactless vertical lifting electroplating equipment includes a fixed platform 1, a support column 91 and a channel steel 9 supported on the ground by a support leg 3; the fixed platform 1 and the channel steel 9 are parallel to each other, and the channel steel 9 is located above the fixed platform 1; the fixed platform 1 and the channel steel 9 are connected to each other on both sides by the support column 91; the fixed platform 1, the support column 91 and the channel steel 9 together constitute a main frame structure.

[0022] Please refer again Figure 1 As shown, an inverted U-shaped steel 2 is fixedly connected in the middle of the upper surface of the fixed platform 1; columns 7 are arranged on both sides between the U-shaped steel 2 and the channel steel 9; chain conveying mechanisms are arranged at both upper and lower ends of the column 7, and the chain conveying mechanism includes a sprocket, a chain and a motor (not shown in the figure), and the chain conveying mechanism is used to drive the column 7 to move horizontally inside the main frame.

[0023] Please refer again Figure 1 and Figure 2 As shown, a lifting mechanism is slidably arranged on the column 7; the lifting mechanism includes a lifting arm 24 slidably arranged on the column 7, and the lifting arm 24 is an L-shaped structure; a hanger 25 for clamping a circuit board is hung on the outer end of the lifting arm 24; the inner end of the lifting arm 24 is rotatably connected to two first rollers 8, and the first rollers 8 are slidably connected to the inner grooves of the column 7 and maintain the horizontal arrangement state of the lifting arm 24.

[0024] Please refer again Figure 3 and Figure 5 As shown, a vertically arranged oil cylinder 5 is fixedly connected to the middle of the U-shaped steel 2 via an I-shaped first support plate 4; a connecting plate 6 is fixedly connected to the output end of the oil cylinder 5, and the connecting plate 6 is an I-shaped structure, and the four corners on both sides of the connecting plate 6 are connected to second joints 20.

[0025] Please refer again Figure 1 , Figure 3 as well as Figure 6As shown, evenly distributed second guide wheels 12 are symmetrically arranged up and down inside the formed main body frame. There are two groups of the second guide wheels 12, which are respectively located on both sides of the oil cylinder 5; a bearing seat 23 located above the main body frame is fixedly connected to the column 7 at a position corresponding to the bottom of the channel steel 9; a bearing seat 23 located below the main body frame is fixedly connected to the upper surface of the fixed platform 1 through a second support plate 14; a shaft rod 13 is commonly connected between the bearing seats 23 along the width direction of the main body frame, and the second guide wheels 12 located above and the second guide wheels 12 located below are respectively fixedly connected to the corresponding shaft rod 13.

[0026] Please refer to again Figure 1 、 Figure 3 、 Figure 6 、 Figure 8 and Fig. 9 As shown, movable frames 15 that can move horizontally are also symmetrically arranged up and down inside the formed main body frame. There are two groups of the movable frames 15, which are respectively located on both sides of the oil cylinder 5; a plurality of evenly distributed cross plates 16 are fixedly connected to the movable frames 15; symmetrically arranged first joints 17 are connected to both sides of the movable frames 15 near one end of the U-shaped steel 2 and both ends of the cross plates 16; a second joint 20 is also connected to one end of the movable frame 15 near the oil cylinder 5, and the first joint 17 and the second joint 20 are used to connect steel wire ropes.

[0027] Please refer to again Figure 1 and Figure 3 As shown, rotatable first guide wheels 11 are fixedly arranged at positions of the channel steel 9 corresponding to the columns 7. The first guide wheels 11 are slidably connected to the movable frames 15 and are used to reduce the friction when the movable frames 15 move.

[0028] Please refer to again Figure 3 and Figure 4 As shown, a support steel wire rope 19 is fixedly connected to the first joint 17. The support steel wire rope 19 is wound and connected to the corresponding second guide wheel 12; the end parts of the support steel wire ropes 19 corresponding to each other up and down and away from the first joint 17 are fixedly connected to a movable platform 21 that can move vertically through a C-shaped plate 22.

[0029] Please refer to again Figure 1 and Figure 2 As shown, L-shaped steels 10 are fixedly connected to the end faces on both sides of the movable platform 21; a fixed rod 81 is fixedly connected to one side of the lifting arm 24 close to the L-shaped steel 10; a second roller 82 is rotatably connected to the fixed rod 81, and the second roller 82 is located above the L-shaped steel 10.

[0030] Please refer to again Figure 3 、 Figure 5 and Figure 6As shown, a main steel wire rope 18 is fixedly connected to the second joint 20, and the main steel wire rope 18 is also wound and connected to the corresponding second guide pulley 12; one end of the main steel wire rope 18 away from the second joint 20 is connected to the connecting plate 6, and is used to drive the main steel wire rope 18 to move through the cooperation of the oil cylinder 5 and the connecting plate 6.

[0031] It should be noted here that: as Figure 7 shown, since each main steel wire rope 18 is connected with a movable frame 15, and the main steel wire ropes 18 on the same side (which can be regarded as a group of main steel wire ropes 18, and there are only four such groups of main steel wire ropes 18, and they are respectively located on both sides of the oil cylinder 5) are connected to each other through the connecting plate 6, while the upper and lower corresponding branch steel wire ropes 19 (which can be regarded as a group of branch steel wire ropes 19, and there are multiple such groups of branch steel wire ropes 19, also located on both sides of the oil cylinder 5) are connected to each other through the C-shaped plate 22. Therefore, a group of main steel wire ropes 18 on the same side and any other group of branch steel wire ropes 19 can be regarded as constituting a rectangular rope structure with head and tail connected.

[0032] Furthermore, both the main steel wire rope 18 and the branch steel wire rope 19 can be replaced by chains. Correspondingly, the second guide pulley 12 needs to be replaced by a gear.

[0033] To facilitate the understanding of the above technical solutions of the present invention, the working principle or operation method of the present invention in the actual process will be described in detail below: First, the circuit board to be processed is clamped and fixed on the fixture 25, then the fixture 25 is respectively hung on both sides of the moving platform 21, and then the oil cylinder 5 is used to drive the connecting plate 6 to move up and down.

[0034] When the connecting plate 6 moves upward, since a group of main steel wire ropes 18 on the same side and any other group of branch steel wire ropes 19 can be regarded as constituting a rectangular rope structure with head and tail connected, a group of main steel wire ropes 18 can cooperate with one group of branch steel wire ropes 19 to drive the movable frame 15 to move. And because the other groups of branch steel wire ropes 19 are connected to the movable frame 15, all groups of branch steel wire ropes 19 can move synchronously. At this time, because the branch steel wire ropes 19 are connected to the moving platform 21 through the C-shaped plate 22, under the guiding action of the second guide pulley 12, the moving platform 21 can rise synchronously, so that the fixture 25 carried thereon rises synchronously, and the balance of both sides of the moving platform 21 is better. In addition, since the main steel wire ropes 18 and branch steel wire ropes 19 located in the upper part and the main steel wire ropes 18 and branch steel wire ropes 19 located in the lower part are both connected to the moving platform 21, balance can be achieved during the rising process, maintaining the balance of the moving platform 21 in all directions around and up and down, and ensuring that the moving platform 21 will not tip over.

[0035] By using the same mechanical mechanism, when the connecting plate 6 moves downward, the mobile platform 21 can be stably lowered within the constructed main frame structure, thereby realizing the function of the mobile platform 21 carrying the hanger 25 to freely rise and fall.

[0036] During this process: Since the oil cylinder 5 cooperates with the main steel wire rope 18, the supporting steel wire rope 19 and the movable frame 15, the mobile platform 21 and the lifting mechanism carried thereon can be stably lifted vertically from one of the electroplating tanks and lifted to a position above the electroplating tank, and then the motor in the chain conveying mechanism drives the sprocket to rotate, and the sprocket drives the column 7 to move horizontally at the upper and lower ends of the column 7 through the chain, so that the lifting mechanism can move horizontally smoothly. After that, it is moved to the top of another electroplating tank, and the oil cylinder 5 can be used again to make the mobile platform 21 stably descend vertically, so as to achieve the purpose of immersing the hanger 25 in another electroplating, pickling and water washing tank.

[0037] When the mobile platform 21 rises, the L-shaped steel 10 can exert an upward force on all the second rollers 82 thereon, so that the boom 24 moves upward on the column 7. When the mobile platform 21 descends, the boom 24 will automatically follow the descent under the action of gravity, always keeping the second rollers 82 in contact with the upper surface of the L-shaped steel 10.

[0038] Among them, through the cooperation of the main steel wire rope 18 and the supporting steel wire rope 19, the mobile platform 21 can be driven to move vertically on the column 7, and the column 7 can be moved horizontally within the main frame through the chain conveying mechanism, so the circuit board on the hanger 25 can be lifted vertically and transferred horizontally without contact. Since the circuit board on the hanger 25 does not contact objects such as rollers and the wall of the electroplating tank, there will be no problems such as bump damage and roller marks that affect the subsequent electroplating effect. In addition, due to the compact structure and good electroplating continuity, the circuit board does not need to contact other carriers such as the transfer rack during the transfer process, there are fewer external interference factors, the electroplating effect is relatively stable, and the product quality defect rate is low.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] 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 contactless vertical lifting electroplating device, comprising a fixed platform (1), a support column (91) and a channel steel (9); characterized in that: The fixed platform (1), the support column (91) and the channel steel (9) together constitute the main frame structure of the electroplating equipment; an inverted U-shaped steel (2) is fixedly connected to the middle of the upper surface of the fixed platform (1); a vertically arranged oil cylinder (5) is fixedly connected to the middle of the U-shaped steel (2) via a first support plate (4); and a connecting plate (6) is fixedly connected to the output end of the oil cylinder (5); Columns (7) are provided on both sides between the U-shaped steel (2) and the channel steel (9); chain conveying mechanisms are provided at both upper and lower ends of the column (7); and a lifting mechanism is slidably provided on the column (7); The main frame is symmetrically provided with uniformly distributed second guide wheels (12) in the upper and lower parts; the main frame is also symmetrically provided with a horizontally movable movable frame (15) in the upper and lower parts; the movable frame (15) is connected with symmetrically arranged first joints (17); one end of the movable frame (15) close to the oil cylinder (5) and the four corners of the connecting plate (6) are all connected with second joints (20); The channel steel (9) is fixedly provided with a rotatable first guide wheel (11) at a position corresponding to the column (7); a support wire rope (19) is fixedly connected to the first joint (17); a main wire rope (18) is fixedly connected to the second joint (20); and a movable platform (21) is arranged in the middle of the main frame.

2. The non-contact vertical lifting electroplating equipment according to claim 1 is characterized in that: The hoisting mechanism comprises a suspension arm (24) slidably arranged on a column (7), the suspension arm (24) presenting an L-shaped structure; a hanger (25) is hung on the outer end of the suspension arm (24); the inner end of the suspension arm (24) is rotatably connected to two first rollers (8), the first rollers (8) are slidably connected to the inner grooves of the column (7) and maintain the horizontal arrangement state of the suspension arm (24); L-shaped steel (10) is fixedly connected to the end surfaces on both sides of the mobile platform (21); a fixing rod (81) is fixedly connected to a side of the suspension arm (24) close to the L-shaped steel (10); and a second roller (82) is rotatably connected to the fixing rod (81).

3. The non-contact vertical lifting electroplating equipment according to claim 1 is characterized in that: The main steel wire ropes (18) on the same side form a main steel wire rope (18) group, which has only four main steel wire ropes (18) and are respectively located on both sides of the oil cylinder (5); the upper and lower corresponding branch steel wire ropes (19) form a branch steel wire rope (19) group; The main steel wire rope (18) group and any other group of branch steel wire ropes (19) on the same side form a rectangular rope structure connected end to end.

4. The non-contact vertical lifting electroplating equipment according to claim 1 is characterized in that: The column (7) is fixedly connected to a bearing seat (23) located above the main frame at a position corresponding to the bottom of the channel steel (9); the upper surface of the fixed platform (1) is fixedly connected to a bearing seat (23) located below the main frame via a second support plate (14); and a shaft (13) is commonly connected between the bearing seats (23) along the width direction of the main frame.

5. The non-contact vertical lifting electroplating equipment according to claim 4 is characterized in that: The second guide wheel (12) located at the upper part of the main frame and the second guide wheel (12) located at the lower part of the main frame are respectively fixedly connected to corresponding shaft rods (13).

6. The non-contact vertical lifting electroplating equipment according to claim 1, characterized in that: There are two sets of the movable frames (15), which are respectively located on both sides of the oil cylinder (5); the first guide wheels (11) are slidably connected to the movable frames (15).

7. The non-contact vertical lifting electroplating equipment according to claim 1, characterized in that: The supporting steel wires (19) and the main steel wire (18) are respectively wound and connected to the corresponding second guide wheels (12); there are multiple second guide wheels (12), which are divided into two groups and are respectively located on both sides of the oil cylinder (5); The connecting plate (6) is in an I-shaped structure, and the second joints (20) are connected to the four corners on both sides of the connecting plate (6); one end of the main steel wire (18) far from the second joint (20) is connected to the connecting plate (6); The ends of the supporting steel wires (19) corresponding to each other up and down and far from the first joint (17) are fixedly connected to the moving platform (21) through the C-shaped plates (22).

8. The non-contact vertical lifting electroplating equipment according to claim 1, characterized in that: The fixed platform (1) and the channel steel (9) are parallel to each other, and the channel steel (9) is located above the fixed platform (1); both sides of the fixed platform (1) and the channel steel (9) are connected to each other through the support columns (91).

9. The non-contact vertical lifting electroplating equipment according to claim 1, characterized in that: A plurality of uniformly arranged cross plates (16) are fixedly connected to the movable frame (15); the first joints (17) are respectively connected to both sides of the movable frame (15) close to the U-shaped steel (2) and both ends of the cross plates (16).

10. The non-contact vertical lifting electroplating equipment according to claim 2, characterized in that: When the moving platform (21) rises, the L-shaped steel (10) can apply an upward force to all the second rollers (82) thereon, so that the boom (24) moves upward on the column (7). When the moving platform (21) descends, the boom (24) will automatically follow and descend under the action of gravity, and always keep the second rollers (82) in contact with the upper surface of the L-shaped steel (10).

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