FPC flexible circuit board plating selection critical zone etching residual copper structure

Abstract

The utility model discloses an FPC flexible circuit board plating selection critical zone etching residual copper structure comprising a shaking mechanism, and the top of the shaking mechanism is fixedly connected to the bottom end of a sliding sleeve; an adjusting mechanism, a first driving motor mounted at the top of the adjusting mechanism and a second driving motor mounted in the adjusting mechanism are arranged above the shaking mechanism; the shaking mechanism comprises a fixing frame, fixing blocks are fixedly connected to the left side and the right side of the interior of the fixing frame, and a sleeve is rotationally connected to one end of each of the two fixing blocks; the end, away from the fixing block, of the sleeve is slidably connected with a connecting rod, and one end of the connecting rod is sleeved with a first spring. The FPC flexible circuit boards which are pasted together can be quickly separated by utilizing the shaking mechanism, the situation that the follow-up process is affected by overlapped transportation of the FPC flexible circuit boards is avoided, and the FPC flexible circuit boards can be driven to move up and down and move left and right through the adjusting mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of FPC flexible circuit board production, in particular to an FPC flexible circuit board selective plating critical area etching residual copper structure. Background Art

[0002] Flexible circuit boards are printed circuits with high reliability and excellent flexibility, made of polyester film or polyimide as the substrate. By embedding circuit design on a bendable thin plastic sheet, a large number of precision components can be stacked in a narrow and limited space, thus forming a bendable flexible circuit.

[0003] Publication No. CN217283619U discloses a flexible FPC circuit board precision etching device, which completes the installation of the connecting plate by installing a first threaded column and a second threaded column on the top of both ends of the etching box, and conveniently completes the adjustment of the position of the connecting plate, the support rod and the substrate by setting an adjustment mechanism, and completes the clamping of the circuit board by a clamping mechanism set on the substrate and between the support plates, thereby completing the etching operation of the limit plate, avoiding the danger caused by manual etching. However, the patent still has the following problems in actual use:

[0004] Although the flexible FPC circuit board precision etching device clamps the circuit board through the clamping mechanism arranged on the substrate and between the support plate, the working efficiency of manually carrying the flexible FPC circuit board is low.

[0005] A structure for etching residual copper in the critical area of ​​selective plating of an FPC flexible circuit board is proposed to solve the above-mentioned problems. Utility Model Content

[0006] The utility model aims to provide an FPC flexible circuit board selective plating critical area etching residual copper structure to solve the above-mentioned background technology proposed by the clamping mechanism set on the substrate and between the support plate to complete the clamping of the circuit board, but the manual handling of the flexible FPC circuit board has low work efficiency.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an FPC flexible circuit board selective plating critical area etching residual copper structure, including a shaking mechanism, and the top of the shaking mechanism is fixedly connected to the bottom end of the sliding sleeve;

[0008] An adjusting mechanism is arranged above the shaking mechanism, as well as a first driving motor installed on the top of the adjusting mechanism and a second driving motor inside the adjusting mechanism;

[0009] Also includes:

[0010] The shaking mechanism comprises a fixed frame, the left and right sides of the fixed frame are fixedly connected with fixed blocks, and one end of the two fixed blocks is rotatably connected with a sleeve;

[0011] Wherein, one end of the sleeve away from the fixed block is slidably connected with a connecting rod, and one end of the connecting rod is sleeved with a first spring;

[0012] Wherein, one end of the connecting rod away from the first spring is rotatably connected with a connecting block.

[0013] Preferably, a connecting rod is fixedly connected to the center position of the bottom of the connecting block, a second spring is sleeved on the outer side of one end of the connecting rod close to the connecting block, and one end of the connecting rod away from the second spring passes through the fixed frame and is fixedly connected to a fixed disk.

[0014] Preferably, a plurality of suction cups are fixedly connected to the bottom of the fixed plate, the number of the suction cups is six, and the suction cups are evenly distributed on the bottom of the fixed plate, and one end of the suction cup is snap-connected with an air pipe.

[0015] Preferably, a fixing seat is arranged below the suction cup, a bottom of the fixing seat is fixedly connected to a base, and a conveyor belt is arranged and connected to a side of the base close to the fixing seat.

[0016] Preferably, the adjusting mechanism includes a lifting frame, the top of the lifting frame is fixedly connected to a top plate, one side of the top of the top plate is fixedly connected to a first drive motor, the output end of the first drive motor passes through the top plate and is fixedly connected to a first screw rod, the bottom end of the first screw rod is rotatably connected to the lifting frame, and the outer side of the first screw rod is threadedly connected to a first threaded sleeve.

[0017] Preferably, a belt is fittedly connected to the outer side of the top of the first screw rod, and the end of the belt away from the first screw rod is fittedly connected to the second screw rod, the upper and lower ends of the second screw rod are rotatably connected to the lifting frame, the outer side of the second screw rod is threadedly connected to a second threaded sleeve, one side of the second threaded sleeve is fixedly connected to a limiting plate, and the end of the limiting plate away from the second threaded sleeve is fixedly connected to the first threaded sleeve.

[0018] Preferably, the left and right sides of the bottom of the limit plate are fixedly connected to the limit column, one side of the limit column is fixedly connected to the second drive motor, the output end of the second drive motor passes through the limit column and is fixedly connected to a roller shaft, one end of the roller shaft is rotatably connected to the limit column, a groove is provided on the outer side of the roller shaft, a slider is slidably connected to the inside of the groove, a sliding sleeve is fixedly connected to the bottom of the slider, a guide rod is slidably connected to the inside of the sliding sleeve, and the left and right ends of the guide rod are fixedly connected to the limit column.

[0019] Compared with the prior art, the utility model has the following beneficial effects: the FPC flexible circuit board selectively plates the critical area of ​​the etching residual copper structure, and the FPC flexible circuit boards pasted together can be quickly separated by the shaking mechanism, so as to avoid the overlapping transportation of the FPC flexible circuit boards affecting the subsequent process, and the FPC flexible circuit board can be driven to move up and down and left and right by the adjustment mechanism, and the specific contents are as follows:

[0020] 1. By setting up a shaking mechanism, the FPC flexible circuit boards that are pasted together can be quickly separated to avoid overlapping transportation of FPC flexible circuit boards affecting subsequent processes. The FPC flexible circuit board can be quickly sucked by the suction cup, and the limit plate is moved up and down to drive the connecting rod to shake up and down, so that the FPC flexible circuit board can be shaken up and down to avoid the FPC flexible circuit boards sticking together. The state of the connecting rod can be quickly restored to its original position by using the restoring force of the first spring and the second spring;

[0021] 2. By setting up an adjustment mechanism, the FPC flexible circuit board can be driven to move up and down and left and right. The first drive motor drives the first screw rod to rotate, and the meshing action between the first screw rod and the first threaded sleeve is utilized to drive the limit plate to move up and down, so as to realize the up and down movement of the FPC flexible circuit board. The second drive motor drives the roller shaft to rotate, thereby driving the slider to rotate, and utilizing the limiting effect of the guide rod on the sliding sleeve, so that the slider moves left and right in the groove along the direction of the guide rod, thereby driving the FPC flexible circuit board to move left and right. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0023] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0024] Figure 3 For this utility model Figure 1 The enlarged structural diagram at B in the middle;

[0025] Figure 4 For this utility model Figure 1 Schematic diagram of the enlarged structure at 2 locations;

[0026] Figure 5 For this utility model Figure 1 Enlarged structural diagram at point C in the middle.

[0027] In the figure: 1. shaking mechanism; 101. fixed frame; 102. fixed block; 103. sleeve; 104. connecting rod; 105. first spring; 106. connecting block; 107. connecting rod; 108. second spring; 109. fixed plate; 110. suction cup; 111. air pipe; 112. fixed seat; 113. base; 114. conveyor belt; 2. adjustment mechanism; 201. lifting frame; 202. top plate; 203. first drive motor; 204. first screw rod; 205. first threaded sleeve; 206. belt; 207. second screw rod; 208. second threaded sleeve; 209. limit plate; 210. limit column; 211. second drive motor; 212. roller; 213. groove; 214. slider; 215. sleeve; 216. guide rod. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-5 The utility model provides a technical solution: a structure for etching residual copper in the critical area of ​​a FPC flexible circuit board, comprising a shaking mechanism 1, wherein the top of the shaking mechanism 1 is fixedly connected to the bottom end of a sliding sleeve 215; an adjusting mechanism 2 is arranged above the shaking mechanism 1, and a first driving motor 203 installed on the top of the adjusting mechanism 2 and a second driving motor 211 inside; the shaking mechanism 1 comprises a fixed frame 101, and both left and right sides of the fixed frame 101 are fixedly connected with fixed blocks 102, and one end of the two fixed blocks 102 is rotatably connected with a sleeve 103, and by setting the fixed block 102, the up and down movement of the connecting rod 107 is facilitated;

[0030] The end of the sleeve 103 away from the fixed block 102 is slidably connected to the connecting rod 104, and one end of the connecting rod 104 is sleeved with a first spring 105; the end of the connecting rod 104 away from the first spring 105 is rotatably connected to the connecting block 106, and the first spring 105 can increase the amplitude of the initial up and down movement of the connecting rod 107;

[0031] A connecting rod 107 is fixedly connected to the center of the bottom of the connecting block 106. A second spring 108 is sleeved on the outer side of the connecting rod 107 close to the connecting block 106. The end of the connecting rod 107 away from the second spring 108 passes through the fixed frame 101 and is fixedly connected to a fixing plate 109. The fixing plate 109 is provided to facilitate fixing the position of the suction cup 110.

[0032] A plurality of suction cups 110 are fixedly connected to the bottom of the fixed plate 109. The number of suction cups 110 is six, and the suction cups 110 are evenly distributed at the bottom of the fixed plate 109. One end of the suction cup 110 is connected with an air pipe 111, and one end of the air pipe 111 is fixedly connected with a cylinder. The more suction cups 110 there are, the more stable the FPC flexible circuit board can be sucked.

[0033] A fixing seat 112 is provided below the suction cup 110, a base 113 is fixedly connected to the bottom of the fixing seat 112, and a conveyor belt 114 is provided on one side of the base 113 close to the fixing seat 112, so that the entire FPC flexible circuit board can be quickly transported.

[0034] The adjustment mechanism 2 includes a lifting frame 201, a top plate 202 is fixedly connected to the top of the lifting frame 201, one side of the top of the top plate 202 is fixedly connected to the first drive motor 203, the output end of the first drive motor 203 passes through the top plate 202 and is fixedly connected to the first screw rod 204, the bottom end of the first screw rod 204 is rotatably connected to the lifting frame 201, the outer side of the first screw rod 204 is threadedly connected to the first threaded sleeve 205, and the first screw rod 204 is driven to rotate by the first drive motor 203;

[0035] The outer side of the top of the first screw rod 204 is fitted with a belt 206, and the end of the belt 206 away from the first screw rod 204 is fitted with a second screw rod 207. The upper and lower ends of the second screw rod 207 are rotatably connected to the lifting frame 201. The outer side of the second screw rod 207 is threadedly connected to a second threaded sleeve 208, and one side of the second threaded sleeve 208 is fixedly connected to a limiting plate 209. The end of the limiting plate 209 away from the second threaded sleeve 208 is fixedly connected to the first threaded sleeve 205. The synchronous action of the belt 206 is used to make the second screw rod 207 rotate together with the first screw rod 204, and the two threaded sleeves can be rotated together, so that the limiting plate 209 can move up and down more stably.

[0036] The left and right sides of the bottom of the limiting plate 209 are fixedly connected to the limiting column 210, one side of the limiting column 210 is fixedly connected to the second driving motor 211, the output end of the second driving motor 211 passes through the limiting column 210 and is fixedly connected to the roller 212, one end of the roller 212 is rotatably connected to the limiting column 210, a groove 213 is provided on the outer side of the roller 212, a slider 214 is slidably connected inside the groove 213, a sleeve 215 is fixedly connected to the bottom of the slider 214, a guide rod 216 is slidably connected inside the sleeve 215, and the left and right ends of the guide rod 216 are fixedly connected to the limiting column 210, the roller 212 is driven to rotate by the second driving motor 211, thereby driving the slider 214 to rotate, and the guide rod 216 is used to limit the sleeve 215, so that the slider 214 moves to the right in the groove 213 along the direction of the guide rod 216, so that the FPC flexible circuit board can be driven to move left and right.

[0037] Working principle: Before using this kind of FPC flexible circuit board to select the critical area of ​​the etching residual copper structure, it is necessary to check the overall situation of the device to make sure it can work normally. Figure 1 - Figure 5 As shown, firstly, the FPC flexible circuit board is placed on the surface of the fixing seat 112, and then the first driving motor 203 drives the first screw rod 204 to rotate, and the meshing action between the first screw rod 204 and the first threaded sleeve 205 is utilized to drive the limit plate 209 to move downward, and the suction cup 110 contacts the FPC flexible circuit board, and at the same time, the cylinder is started to make the suction cup 110 work to suck up the FPC flexible circuit board, and then the limit plate 209 is quickly moved up and down, and the limit plate 209 is used to move up and down to drive the connecting rod 107 to shake up and down, so that the FPC flexible circuit board can be shaken up and down to prevent the FPC flexible circuit boards from sticking together;

[0038] Secondly, the second drive motor 211 is started, and the roller shaft 212 is driven to rotate by the second drive motor 211, thereby driving the slider 214 to rotate, and utilizing the limiting effect of the guide rod 216 on the sleeve 215, so that the slider 214 moves to the right in the groove 213 along the direction of the guide rod 216, thereby driving the FPC flexible circuit board to move to the right and placing it on the surface of the conveyor belt 114 to send it to the specified position.

[0039] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A structure for etching residual copper in a critical area of ​​a FPC flexible circuit board, comprising a shaking mechanism (1), wherein the top of the shaking mechanism (1) is fixedly connected to the bottom end of a sliding sleeve (215); An adjustment mechanism (2) is arranged above the shaking mechanism (1), as well as a first drive motor (203) installed on the top of the adjustment mechanism (2) and a second drive motor (211) inside the adjustment mechanism (2); It is characterized in that Also includes: The shaking mechanism (1) comprises a fixed frame (101), the left and right sides of the fixed frame (101) are fixedly connected with fixed blocks (102), and one end of the two fixed blocks (102) is rotatably connected with a sleeve (103); One end of the sleeve (103) away from the fixed block (102) is slidably connected to a connecting rod (104), and one end of the connecting rod (104) is sleeved with a first spring (105); One end of the connecting rod (104) away from the first spring (105) is rotatably connected to a connecting block (106).

2. The FPC flexible circuit board selective plating critical area etching residual copper structure according to claim 1, characterized in that: A connecting rod (107) is fixedly connected to the center position of the bottom of the connecting block (106); a second spring (108) is sleeved on the outer side of one end of the connecting rod (107) close to the connecting block (106); and one end of the connecting rod (107) away from the second spring (108) passes through the fixed frame (101) and is fixedly connected to a fixed plate (109).

3. The FPC flexible circuit board selective plating critical area etching residual copper structure according to claim 2, characterized in that: A plurality of suction cups (110) are fixedly connected to the bottom of the fixed plate (109), the number of the suction cups (110) being six, and the suction cups (110) being evenly distributed on the bottom of the fixed plate (109), and one end of the suction cup (110) being snap-connected to an air pipe (111).

4. The FPC flexible circuit board selective plating critical area etching residual copper structure according to claim 3, characterized in that: A fixing seat (112) is provided below the suction cup (110), a base (113) is fixedly connected to the bottom of the fixing seat (112), and a conveyor belt (114) is provided on a side of the base (113) close to the fixing seat (112).

5. The FPC flexible circuit board selective plating critical area etching residual copper structure according to claim 1, characterized in that: The adjustment mechanism (2) comprises a lifting frame (201), the top of the lifting frame (201) is fixedly connected to a top plate (202), one side of the top of the top plate (202) is fixedly connected to a first drive motor (203), an output end of the first drive motor (203) passes through the top plate (202) and is fixedly connected to a first screw rod (204), the bottom end of the first screw rod (204) is rotatably connected to the lifting frame (201), and the outer side of the first screw rod (204) is threadedly connected to a first threaded sleeve (205).

6. The FPC flexible circuit board selective plating critical area etching residual copper structure according to claim 5, characterized in that: The outer side of the top of the first screw rod (204) is fitted with a belt (206), and the end of the belt (206) away from the first screw rod (204) is fitted with a second screw rod (207). The upper and lower ends of the second screw rod (207) are rotatably connected to the lifting frame (201). The outer side of the second screw rod (207) is threadedly connected to a second threaded sleeve (208), one side of the second threaded sleeve (208) is fixedly connected to a limiting plate (209), and the end of the limiting plate (209) away from the second threaded sleeve (208) is fixedly connected to the first threaded sleeve (205).

7. The FPC flexible circuit board selective plating critical area etching residual copper structure according to claim 6, characterized in that: The left and right sides of the bottom of the limit plate (209) are both fixedly connected to the limit column (210), one side of the limit column (210) is fixedly connected to the second drive motor (211), the output end of the second drive motor (211) passes through the limit column (210) and is fixedly connected to a roller shaft (212), one end of the roller shaft (212) is rotatably connected to the limit column (210), a groove (213) is provided on the outer side of the roller shaft (212), a slider (214) is slidably connected inside the groove (213), a sliding sleeve (215) is fixedly connected to the bottom of the slider (214), a guide rod (216) is slidably connected inside the sliding sleeve (215), and the left and right ends of the guide rod (216) are both fixedly connected to the limit column (210).

Images