Special equipment for finishing screw head

Abstract

The utility model discloses special equipment for finishing screw heads, which relates to the technical field of screw head finishing and comprises a base, an electroplating tank is fixedly mounted on the top surface of the base, electric telescopic rods are fixedly mounted on two outer sides of the electroplating tank, and an assembly plate is fixedly mounted at the top end of each electric telescopic rod. The rotating shaft rotates to drive the cam to rotate, and the spring telescopic rod is matched to drive the electroplating basket to vibrate up and down in a reciprocating manner, so that the contact area between the screw head and electrolyte is increased, the electroplating uniformity of the screw head is improved, self-circulation of the electrolyte in an electroplating tank is realized, the flowing of the electrolyte is increased, and the concentration polarization phenomenon of the electrolyte can be effectively avoided.

Description

Technical Field

[0001] This utility model relates to the field of screw head finishing technology, and in particular to special equipment for screw head finishing. Background Technology

[0002] Screws are generally divided into two types: one-piece screws and combination screws. Combination screws, designed to meet specific functional requirements, feature a detachable head and shank. For example, in industrial applications where frequent head type changes are necessary, a shank with an internally threaded hole and a head with external threads are used, allowing the head and shank to be joined together via a threaded connection. This design facilitates quick replacement of the appropriate head based on different tools or assembly requirements, such as changing from a Phillips head to a hexagonal head. Since screw heads come into contact with various media in the actual operating environment, they are susceptible to corrosion and other damage. To extend the lifespan of screw heads, electroplating is typically applied to create a dense protective film on the head, thus prolonging its service life.

[0003] In existing electroplating processes for screw heads, a large number of screw heads tend to stack together, resulting in uneven electroplating and hindering the removal of air bubbles during electroplating. Therefore, this application proposes a dedicated device for finishing screw heads. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a special equipment for precision finishing of screw heads.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A specialized device for finishing screw heads includes a base. An electroplating tank is fixedly installed on the top surface of the base. Electric telescopic rods are fixedly installed on both outer sides of the electroplating tank. An assembly plate is fixedly installed at the top of each electric telescopic rod, and a spring telescopic rod is fixedly installed at the bottom of each assembly plate. An electroplating basket is installed at the bottom of multiple spring telescopic rods. Several micro-holes are opened on each outer side of the electroplating basket. A rotating shaft is rotatably connected to the side wall of the base. Multiple cams are installed on the rotating shaft, and each cam abuts against the bottom surface of the electroplating basket. A fixed box is fixedly installed on the outer side of the base. A water circulation mechanism is provided inside the fixed box, and the fixed box is connected to the electroplating tank. The water circulation mechanism is connected to the rotating shaft through a synchronization mechanism.

[0007] Preferably, the water circulation mechanism includes a reciprocating screw, which is rotatably connected to the side wall of the fixed box. A screw sleeve is threaded onto the reciprocating screw and slidably connected inside the fixed box. Multiple connecting rods are symmetrically installed on the outer side of the screw sleeve. A piston is installed at the other end of the multiple connecting rods and is slidably and sealed inside the fixed box. A drain pipe and a water inlet pipe are fixed and connected to the outer side of the fixed box, and both the drain pipe and the water inlet pipe are connected to the electroplating tank. The connection height of the drain pipe is greater than that of the water inlet pipe. A one-way valve is installed inside both the drain pipe and the water inlet pipe.

[0008] Preferably, the synchronization mechanism includes a first sprocket, which is installed at one end of the rotating shaft. One end of the reciprocating screw passes through the fixed box and is equipped with a second sprocket. The second sprocket and the first sprocket are both fitted with a chain, and both the second sprocket and the first sprocket are engaged with the chain.

[0009] Preferably, a baffle is fixedly installed at the end of the reciprocating screw away from the second sprocket, and the diameter of the baffle is greater than the diameter of the reciprocating screw.

[0010] Preferably, a motor is fixedly installed on the outside of the electroplating tank, and the output shaft of the motor passes through the electroplating tank and is connected to the rotating shaft.

[0011] Preferably, the base has multiple support legs symmetrically installed on its bottom surface, and fixed seats are fixedly installed on both outer sides of the electroplating tank, with each electric telescopic rod fixedly installed on the top surface of the corresponding fixed seat.

[0012] This utility model has the following beneficial effects:

[0013] 1. This utility model, through the combination of a rotating shaft, a cam, an electroplating basket, and other devices, enables the rotating shaft to drive the cam to rotate when the screw head is placed in the electrolytic cell for electroplating. This, in conjunction with the spring telescopic rod, causes the electroplating basket to vibrate up and down, thereby increasing the contact area between the screw head and the electrolyte and increasing the electroplating uniformity of the screw head.

[0014] 2. This utility model, through devices such as a water circulation mechanism and a synchronization mechanism, enables the water circulation mechanism to operate synchronously when the electroplating basket reciprocates, thereby realizing the self-circulation of the electrolyte in the electroplating tank, increasing the flow of the electrolyte, and effectively avoiding the phenomenon of electrolyte concentration polarization. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the special equipment for finishing screw heads proposed in this utility model;

[0016] Figure 2This is a schematic diagram of the shaft mounting structure of the screw head finishing equipment proposed in this utility model;

[0017] Figure 3 This is a schematic diagram of the water circulation mechanism of the screw head finishing equipment proposed in this utility model.

[0018] In the diagram: 1. Base; 2. Support leg; 3. Electroplating tank; 4. Fixing box; 5. Fixing seat; 6. Electric telescopic rod; 7. Assembly plate; 8. Spring telescopic rod; 9. Electroplating basket; 10. Micro-hole; 11. Shaft; 12. Cam; 13. Motor; 14. Drain pipe; 15. Inlet pipe; 16. Reciprocating screw; 17. Screw sleeve; 18. Connecting rod; 19. Piston; 20. Baffle; 21. First sprocket; 22. Second sprocket; 23. Chain. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0020] This utility model provides a technical solution: such as Figure 1-3 As shown, the special equipment for finishing screw heads includes a base 1, an electroplating tank 3 fixedly installed on the top surface of the base 1, electric telescopic rods 6 fixedly installed on both outer sides of the electroplating tank 3, an assembly plate 7 fixedly installed at the top of each electric telescopic rod 6, a spring telescopic rod 8 fixedly installed at the bottom of each assembly plate 7, and an electroplating basket 9 installed at the bottom of multiple spring telescopic rods 8. Each outer side of the electroplating basket 9 has several micro-holes 10. A rotating shaft 11 is rotatably connected to the side wall of the base 1. Multiple cams 12 are installed on the rotating shaft 11, and each cam 12 abuts against the bottom surface of the electroplating basket 9. A fixed box 4 is fixedly installed on the outer side of the base 1. A water circulation mechanism is provided inside the fixed box 4, and the fixed box 4 is connected to the electroplating tank 3. The water circulation mechanism is connected to the rotating shaft 11 through a synchronization mechanism.

[0021] Through the cooperation of the spring telescopic rod 8 and the rotating shaft 11, the rotation of the cam 12 can drive the electroplating basket 9 to vibrate, thereby causing the screw head inside the electroplating basket 9 to vibrate, thereby increasing the contact between the screw head and the electrolyte, thus making the electroplating more uniform. It is worth noting that the electroplating basket 9 is connected to the cathode, and the electroplating anode is connected to the metal to be plated (not shown).

[0022] Furthermore, the water circulation mechanism includes a reciprocating screw 16, which is rotatably connected to the side wall of the fixed box 4. A screw sleeve 17 is threaded onto the reciprocating screw 16 and slidably connected within the fixed box 4. Multiple connecting rods 18 are symmetrically installed on the outer side of the screw sleeve 17, and a piston 19 is installed at the other end of the multiple connecting rods 18. The piston 19 is slidably and sealed within the fixed box 4. A drain pipe 14 is fixedly connected to and connected to the water inlet on the outer side of the fixed box 4. Pipe 15, and both drain pipe 14 and inlet pipe 15 are connected to electroplating tank 3, and the connection height of drain pipe 14 is greater than that of inlet pipe 15. One-way valves are installed in both drain pipe 14 and inlet pipe 15. The one-way valves fix the flow direction of the electrolyte. By the reciprocating sliding of piston 19, the electrolyte can be driven through inlet pipe 15 into fixed tank 4 and discharged through drain pipe 14 into electroplating tank 3, thereby realizing the flow of electrolyte and avoiding concentration polarization.

[0023] Furthermore, the synchronization mechanism includes a first sprocket 21, which is mounted on one end of the rotating shaft 11. One end of the reciprocating screw 16 passes through the fixed box 4 and is fitted with a second sprocket 22. The second sprocket 22 and the first sprocket 21 are fitted together with a chain 23, and both the second sprocket 22 and the first sprocket 21 are engaged with the chain 23. This reduces the number of motors 13 used, thereby reducing the manufacturing cost of the device. The pitch circle diameter of the first sprocket 21 is greater than that of the second sprocket 22, which allows the reciprocating screw 16 to rotate quickly, thereby increasing the circulation speed of the electrolyte.

[0024] Furthermore, a baffle 20 is fixedly installed at the end of the reciprocating screw 16 away from the second sprocket 22, and the diameter of the baffle 20 is greater than the diameter of the reciprocating screw 16 to prevent the screw sleeve 17 from disengaging from the reciprocating screw 16.

[0025] Furthermore, a motor 13 is fixedly installed on the outside of the electroplating tank 3, and the output shaft of the motor 13 passes through the electroplating tank 3 and is connected to the rotating shaft 11.

[0026] Furthermore, multiple support legs 2 are symmetrically installed on the bottom surface of the base 1, and fixed seats 5 are fixedly installed on both outer sides of the electroplating tank 3, and each electric telescopic rod 6 is fixedly installed on the top surface of the fixed seat 5 corresponding to its position.

[0027] This utility model provides a special equipment for finishing screw heads. The specific working principle is as follows: The operator can place the screw head in the electroplating basket 9, and then start multiple electric telescopic rods 6 to drive the electroplating basket 9 to slide downward, so that the electroplating basket 9 is submerged in the electrolyte in the electroplating tank 3. Then, the electroplating basket 9 is connected to the cathode and the power is turned on, which can provide electroplating protection for the screw head.

[0028] Simultaneously, the motor 13 can be started to drive the rotating shaft 11 to rotate. Through the rotation of multiple cams 12 and the cooperation of the spring telescopic rod 8, the electroplating basket 9 can be made to vibrate up and down, thereby increasing the contact area between the screw head and the electrolyte, thus enhancing the electroplating uniformity of the screw head. When the rotating shaft 11 rotates, the first sprocket 21 and the second sprocket 22 can be used to drive the reciprocating screw 16 to rotate, causing the screw sleeve 17 to slide back and forth, thereby pushing the piston 19 to slide back and forth in the fixed box 4. This allows the electrolyte in the electroplating tank 3 to be drawn into the fixed box 4 through the water inlet pipe 15 and discharged into the electroplating tank 3 through the drain pipe 14, realizing the circulation of the electrolyte and avoiding the concentration polarization phenomenon of the electrolyte.

[0029] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A device for finishing the head of a screw, comprising a base (1), characterized in that, The top surface of the base (1) is fixedly installed with an electroplating tank (3), both outer sides of the electroplating tank (3) are fixedly installed with an electric telescopic rod (6), the top end of each electric telescopic rod (6) is fixedly installed with an assembly plate (7), the bottom end of each assembly plate (7) is fixedly installed with a spring telescopic rod (8), the bottom end of a plurality of spring telescopic rods (8) is commonly installed with an electroplating basket (9), each outer side of the electroplating basket (9) is provided with a plurality of micropores (10), the side wall of the base (1) is rotatably connected with a rotating shaft (11), a plurality of cams (12) are installed on the rotating shaft (11), and each cam (12) abuts against the bottom surface of the electroplating basket (9), the outer side of the base (1) is fixedly installed with a fixed box (4), the fixed box (4) is provided with a water circulation mechanism, and the fixed box (4) is in communication with the electroplating tank (3), and the water circulation mechanism is connected with the rotating shaft (11) through a synchronous mechanism.

2. The screw head finishing apparatus according to claim 1, wherein The water circulation mechanism comprises a reciprocating screw rod (16), and the reciprocating screw rod (16) is rotatably connected to the side wall of the fixed box (4), a screw rod sleeve (17) is threadedly connected to the reciprocating screw rod (16), and the screw rod sleeve (17) is slidably connected in the fixed box (4), a plurality of link rods (18) are symmetrically installed on the outer side of the screw rod sleeve (17), a piston (19) is commonly installed at the other end of the plurality of link rods (18), and the piston (19) is sealingly and slidably connected in the fixed box (4), a drain pipe (14) and a water inlet pipe (15) are respectively fixedly and communicatively installed on the outer side of the fixed box (4), the drain pipe (14) and the water inlet pipe (15) are both in communication with the electroplating tank (3), the communication height of the drain pipe (14) is greater than that of the water inlet pipe (15), and a one-way valve is installed in each of the drain pipe (14) and the water inlet pipe (15).

3. The screw head finishing apparatus of claim 2, wherein The synchronous mechanism comprises a first sprocket (21), and the first sprocket (21) is installed at one end of the rotating shaft (11), one end of the reciprocating screw rod (16) penetrates through the fixed box (4) and is installed with a second sprocket (22), the second sprocket (22) and the first sprocket (21) are commonly provided with a chain (23), and the second sprocket (22) and the first sprocket (21) are both engaged with the chain (23).

4. The screw head finishing apparatus according to claim 2, wherein The end of the reciprocating screw rod (16) away from the second sprocket (22) is fixedly installed with a baffle (20), and the diameter of the baffle (20) is greater than that of the reciprocating screw rod (16).

5. The screw head finishing apparatus of claim 1, wherein The outer side of the electroplating tank (3) is fixedly installed with a motor (13), and the output shaft of the motor (13) penetrates through the electroplating tank (3) and is connected with the rotating shaft (11).

6. The screw head finishing apparatus of claim 1, wherein The bottom surface of the base (1) is symmetrically installed with a plurality of supporting legs (2), both outer sides of the electroplating tank (3) are fixedly installed with a fixed seat (5), and each electric telescopic rod (6) is fixedly installed on the top surface of the fixed seat (5) corresponding in position.

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