Circuit board auxiliary conveying device adopting UPE bearing

Abstract

The utility model discloses a circuit board auxiliary conveying device adopting UPE bearings, which comprises a cathode floating frame and a cathode lifting fixing seat, a plurality of guide strips are arranged on the cathode floating frame, shaft cores are connected among the guide strips, the lower ends of the shaft cores are inserted into the cathode floating frame, the UPE bearings are arranged among the guide strips, and the UPE bearings are arranged on the cathode lifting fixing seat. The UPE bearing comprises a free wheel outer ring, a shaft sleeve, balls and a fixing piece, the fixing piece is arranged on the outer side of the shaft sleeve in a sleeving mode, the balls are distributed around the fixing piece, the free wheel outer ring is located on the periphery of the balls, the balls roll on the outer side of the free wheel outer ring, the free wheel outer ring is made of UPE, and the balls are made of high borosilicate glass. The circuit board auxiliary conveying device adopting the UPE bearing is applied to the electroplating process of the circuit board, the circuit board enters the cathode floating frame in the vertical direction to be electroplated, the outer ring of the free wheel made of the UPE material effectively protects the circuit board from hard abrasion, the circuit board cannot float left and right, the circuit board is prevented from being collided, the possibility that the circuit board slips is reduced, and the service life of the circuit board is prolonged. And the good appearance of the circuit board during electroplating is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of electroplating, in particular to a circuit board auxiliary conveying device using a UPE bearing. Background Art

[0002] Electroplating is the process of plating a thin layer of other metals or alloys on certain metal surfaces using the principle of electrolysis. It is a process that uses electrolysis to adhere a layer of metal film to the surface of metal or other material parts, thereby preventing metal oxidation (such as rust), improving wear resistance, conductivity, reflectivity, corrosion resistance (copper sulfate, etc.) and enhancing aesthetics.

[0003] During the electroplating process, an auxiliary conveying structure needs to be placed in the anode cell. The circuit board moves forward driven by the auxiliary conveying structure, and the cathode (i.e., negative electrode) reacts with the anode (i.e., positive electrode) plating solution. In the current auxiliary conveying structure, there are wheels on the auxiliary plates on both sides. When rotating, they rotate according to the gap between the inner hole and the shaft core diameter. It is easy to have a hard collision with the moving circuit board, thereby being damaged. In addition, the circuit board is easy to swing to both sides in the auxiliary conveying structure, which is not good for the appearance during electroplating. Utility Model Content

[0004] One purpose of the utility model is to provide a circuit board auxiliary conveying device using UPE bearings, which adopts a high-density UPE bearing structure and does not rely on the gap between the inner hole of the bearing and the shaft core for rotation, but relies on the free rotation of the internal glass balls, coupled with nano-level polishing treatment, to form free rotation when the plating liquid flows, thereby driving the circuit board forward.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A circuit board auxiliary conveying device using UPE bearings comprises a cathode floating frame and a cathode lifting and fixing seat, wherein the cathode floating frame is located below the cathode lifting and fixing seat, a plurality of guide bars are arranged on the cathode floating frame, an axis core is connected between the guide bars, the lower end of the axis core is inserted into the cathode floating frame, and a UPE bearing is arranged between the guide bars, the UPE bearing comprises a free wheel outer ring, a bushing, balls and a fixing part, the fixing part is sleeved on the outside of the bushing, the balls are distributed around the fixing part, the free wheel outer ring is located on the periphery of the balls, the balls roll on the outside of the free wheel outer ring, the free wheel outer ring is made of UPE, and the balls are made of high borosilicate glass.

[0007] As a preferred technical solution, it comprises a support frame, a guide assembly is installed on the support frame, a guide sleeve is installed on the cathode lifting fixed seat, and the guide assembly slides in the guide sleeve along the vertical direction.

[0008] As a preferred technical solution, a bearing seat is fixed on the support frame, the bearing of the bearing seat is connected to a rotating shaft, a driving gear is installed on the end of the rotating shaft, a guide wheel and a rack are respectively arranged on both sides of the end of the rotating shaft, the guide wheel is rotatably connected to the support frame, the lower end of the rack is fixed to the upper end of the cathode lifting fixed seat, the rack is meshed with the driving gear, and the guide wheel is rollingly connected to the back of the rack.

[0009] As a preferred technical solution, a motor base is installed on the support frame, a motor is fixed on the motor base, and a driving end of the motor is connected to the driving gear.

[0010] As a preferred technical solution, an encoder is installed at the end of the rotating shaft.

[0011] As a preferred technical solution, an induction slot is installed on the support frame, and an induction sheet is fixed on one side of the cathode lifting and fixing seat, and the induction sheet is signal-connected to the induction slot.

[0012] As a preferred technical solution, a guide rod is connected between the cathode floating frame and the cathode lifting and fixing seat along the vertical direction, and the material of the guide rod is PVC.

[0013] The beneficial effects of the utility model are: providing a circuit board auxiliary conveying device using UPE bearings, the circuit board auxiliary conveying device using UPE bearings is applied to the electroplating process of circuit boards, the circuit boards enter the cathode floating frame along the vertical direction for electroplating, the free wheel outer ring made of UPE material effectively protects the circuit boards from hard wear and will not float left and right, preventing collision with the board, and reducing the possibility of slipping of the circuit boards. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described in detail below based on the drawings and embodiments.

[0015] Figure 1 This is a schematic diagram of the overall structure of a circuit board auxiliary conveying device using a UPE bearing according to an embodiment;

[0016] Figure 2 is a cross-sectional view of a UPE bearing according to an embodiment;

[0017] Figure 3 for Figure 1 A partial enlarged view of the middle A;

[0018] Figure 4 for Figure 1 A partial enlarged view of point B in the middle;

[0019] Figure 5 for Figure 1A partial enlarged view of point C in the middle.

[0020] Figures 1 to 5 middle:

[0021] 1. Cathode floating frame; 2. Cathode lifting fixed seat; 3. Guide strip; 4. Shaft core; 5. UPE bearing; 6. Free wheel outer ring; 7. Bushing; 8. Ball; 9. Fixing piece; 10. Support frame; 11. Guide assembly; 12. Guide sleeve; 13. Bearing seat; 14. Rotating shaft; 15. Driving gear; 16. Guide wheel; 17. Rack; 18. Motor seat; 19. Motor; 20. Encoder; 21. Induction sheet; 22. Guide rod. DETAILED DESCRIPTION

[0022] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0023] like Figures 1 to 5 As shown, in this embodiment, a circuit board auxiliary conveying device using UPE bearings includes a cathode floating frame 1 and a cathode lifting and fixing seat 2, the cathode floating frame 1 is located below the cathode lifting and fixing seat 2, a plurality of guide bars 3 are arranged on the cathode floating frame 1, an axis core 4 is connected between the guide bars 3, the lower end of the axis core 4 is inserted into the cathode floating frame 1, and a UPE bearing 5 is arranged between the guide bars 3, the UPE bearing 5 includes a free wheel outer ring 6, a sleeve 7, a ball 8 and a fixing member 9, the fixing member 9 is sleeved on the outside of the sleeve 7, the ball 8 is distributed around the fixing member 9, the free wheel outer ring 6 is located on the periphery of the ball 8, the ball 8 rolls on the outside of the free wheel outer ring 6, the free wheel outer ring 6 is made of UPE, and the ball 8 is made of high borosilicate glass.

[0024] UPE is the abbreviation of ultra-high molecular weight polyethylene, which is a thermoplastic engineering plastic with a molecular weight higher than 1.5 million. The molecular chain length is 10-20 times that of high-density polyethylene. The longer molecular chain (higher molecular weight) gives UHMWPE the main advantages of toughness, wear resistance and stress cracking resistance. Since it is a type of polyethylene, it also has lubricity, chemical resistance and excellent electrical properties of general HDPE, excellent wear resistance, good low-temperature impact resistance, self-lubrication, non-toxicity, water resistance, chemical resistance, heat resistance is better than general PE, and nano-level polishing is used.

[0025] High borosilicate glass has good fire resistance and high physical strength. Compared with ordinary glass, it has no toxic side effects. Its mechanical properties, thermal stability, water resistance, alkali resistance, acid resistance and other properties are greatly improved.

[0026] The UPE bearing 5 is fixed on the shaft core 4 in an arranged group. The guide strip 3 can ensure that the circuit board will not get stuck during electroplating, and can meet the requirement of no stuck for the thinnest board of 0.06 mm. The UPE bearing 5, with its flexible rotation characteristics, can assist in guiding the circuit board during the electroplating operation, thereby reducing the contact frequency between the circuit board and the guide strip 3 during electroplating, so as to achieve a product with no scratches on the surface. In the electroplating solution, the UPE bearing 5 rotates freely with the flow of the electroplating solution, and does not need to be in close contact with the circuit board to roll.

[0027] The circuit board auxiliary conveying device using the UPE bearing 5 also includes a support frame 10, on which a guide assembly 11 is installed, and a guide sleeve 12 is installed on the cathode lifting fixed seat 2. The guide assembly 11 slides in the guide sleeve 12 along the vertical direction. Under the guidance of the guide sleeve 12 and the guide assembly 11, the cathode lifting fixed seat 2 can move up and down on the support frame 10.

[0028] A bearing seat 13 is fixed on the support frame 10, and a rotating shaft 14 is connected to the bearing of the bearing seat 13. A driving gear 15 is installed at the end of the rotating shaft 14. A guide wheel 16 and a rack 17 are respectively arranged on both sides of the end of the rotating shaft 14. The guide wheel 16 is rotatably connected to the support frame 10, and the lower end of the rack 17 is fixed to the upper end of the cathode lifting fixed seat 2. The rack 17 is meshed with the driving gear 15, and the guide wheel 16 is rollingly connected to the back of the rack 17. When controlling the lifting and lowering of the cathode lifting fixed seat 2, the driving gear 15 is rotated, and the rack 17 drives it to move up and down, and the other side of the rack 17 has a guide wheel 16 to limit the position, so that it can only move up and down.

[0029] A motor base 18 is installed on the support frame 10, and a motor 19 is fixed on the motor base 18. The driving end of the motor 19 is connected to the driving gear 15. Relying on the motor 19 as power, through the transmission of the driving gear 15 and the rack 17, the cathode lifting fixed base 2 is controlled to rise or fall according to the size requirements of the circuit board produced.

[0030] In more specific structure, an encoder 20 is installed at the end of the rotating shaft 14, an induction slot is installed on the support frame 10, a induction sheet 21 is fixed on one side of the cathode lifting fixed seat 2, the induction sheet 21 is connected to the induction slot signal, and a guide rod 22 is connected between the cathode floating frame 1 and the cathode lifting fixed seat 2 along the vertical direction, and the material of the guide rod 22 is PVC, which is polyvinyl chloride.

[0031] It should be stated that the above-mentioned specific implementation methods are only preferred embodiments of the present utility model and the technical principles used. Within the technical scope disclosed by the present utility model, any changes or substitutions that can be easily thought of by technicians familiar with this technical field should be included in the protection scope of the present utility model.

Claims

1. A circuit board auxiliary conveying device using UPE bearings, characterized in that: It includes a cathode floating frame and a cathode lifting fixed seat, the cathode floating frame is located below the cathode lifting fixed seat, a plurality of guide bars are arranged on the cathode floating frame, an axis core is connected between the guide bars, the lower end of the axis core is inserted into the cathode floating frame, a UPE bearing is arranged between the guide bars, the UPE bearing includes a free wheel outer ring, a bushing, balls and a fixing part, the fixing part is sleeved on the outside of the bushing, the balls are distributed around the fixing part, the free wheel outer ring is located on the periphery of the balls, the balls roll on the outside of the free wheel outer ring, the free wheel outer ring is made of UPE, and the balls are made of high borosilicate glass.

2. The circuit board auxiliary conveying device using UPE bearings according to claim 1, characterized in that: It comprises a support frame, a guide assembly is installed on the support frame, a guide sleeve is installed on the cathode lifting fixed seat, and the guide assembly slides in the guide sleeve along the vertical direction.

3. The circuit board auxiliary conveying device using UPE bearings according to claim 2 is characterized in that: A bearing seat is fixed on the support frame, and a rotating shaft is connected to the bearing of the bearing seat. A driving gear is installed on the end of the rotating shaft. A guide wheel and a rack are respectively arranged on both sides of the end of the rotating shaft. The guide wheel is rotatably connected to the support frame, and the lower end of the rack is fixed to the upper end of the cathode lifting fixed seat. The rack is meshed with the driving gear, and the guide wheel is rollingly connected to the back of the rack.

4. The circuit board auxiliary conveying device using UPE bearings according to claim 3 is characterized in that: A motor seat is installed on the support frame, a motor is fixed on the motor seat, and a driving end of the motor is connected to the driving gear.

5. The circuit board auxiliary conveying device using UPE bearings according to claim 3 is characterized in that: An encoder is installed at the end of the rotating shaft.

6. The circuit board auxiliary conveying device using UPE bearings according to claim 3, characterized in that: An induction slot is installed on the support frame, and an induction sheet is fixed on one side of the cathode lifting and fixing seat, and the induction sheet is connected with the induction slot signal.

7. The circuit board auxiliary conveying device using UPE bearings according to claim 1, characterized in that: A guide rod is connected between the cathode floating frame and the cathode lifting fixing seat along the vertical direction, and the material of the guide rod is PVC.

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