Bolt lead plating mechanism

By designing a bolt lead plating mechanism and using a motor-driven pencil to plating the bolts, the problem of low corrosion resistance of existing bolts is solved, and the effect of improving the corrosion resistance and smoothness of bolts is achieved.

CN222861688UActive Publication Date: 2025-05-13HAIYAN MENGSHI SCREW CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421649222.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-11
Publication Date
2025-05-13
Estimated Expiration
2034-07-11

AI Technical Summary

Technical Problem

Existing bolts have low corrosion resistance, are prone to rust and the surface will become rough, affecting their tightness and safety.

Method used

A bolt lead plating mechanism is designed to plating the bolts by driving a pencil to improve their corrosion resistance and smoothness. The mechanism includes a workbench, indexing disc, arc-shaped support plate, pencil-plated and transmission mechanism. Through the cooperation of indexing disc and pencil-plated, the automatic lead plating process of bolts is realized.

Benefits of technology

It effectively improves the corrosion resistance and smoothness of the bolts, extends their service life, and avoids fastening and safety issues caused by rust.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222861688U_ABST
    Figure CN222861688U_ABST
Patent Text Reader

Abstract

The utility model discloses a bolt lead plating mechanism which comprises a workbench, the upper portion of the workbench is fixedly connected with a base, the base is provided with a lifting mechanism, the lifting mechanism is fixedly connected with a mounting frame, the mounting frame is fixedly connected with a motor, the motor is in transmission connection with a plating pencil through a transmission mechanism, and the plating pencil is in sliding connection with the mounting frame. The portion, below the plating pencil, of the table top of the workbench is rotationally connected with an index plate, a circle of clamping groove is formed in the edge of the index plate, the upper portion of the workbench is fixedly connected with a driving mechanism used for driving the index plate to rotate, the upper portion of the workbench is fixedly connected with an arc-shaped supporting plate, and the arc-shaped supporting plate is close to the index plate. An arc-shaped supporting plate is arranged on the indexing plate, a channel is formed between the arc-shaped supporting plate and the indexing plate, a transfer mechanism is arranged at one end of the arc-shaped supporting plate, and the baffle is located below the indexing plate and fixedly connected with the workbench. According to the utility model, through the transfer mechanism and the index plate, materials are fed and conveyed at the same time, so that a plating pencil can be used for plating lead on bolts conveniently, and the quality of the bolts is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the field of fastener manufacturing and processing, in particular to a bolt lead plating mechanism. Background Art

[0002] Fasteners are a type of mechanical parts used for fastening and connection and are extremely widely used. Fasteners are widely used in a wide range of industries, including energy, electronics, electrical appliances, machinery, chemicals, metallurgy, molds, hydraulics, etc. Various fasteners can be seen on various machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemicals, instruments and supplies, etc. They are the most widely used mechanical basic parts.

[0003] A bolt is a type of fastener consisting of a head and a screw (a cylinder with external threads). It needs to be used with a nut to fasten two parts with through holes.

[0004] However, general bolts have low corrosion resistance, are prone to rust and their surfaces become rough. Rough bolts will rub against other workpieces, causing them to become thinner, affecting their tightness. Rusted bolts are not easy to disassemble and their hardness will decrease, affecting safety. Therefore, it is necessary to plate lead or other metals on the surface of the bolts to improve their corrosion resistance, oxidation resistance and smoothness. Utility Model Content

[0005] The utility model aims to provide a bolt lead plating mechanism, which has the advantages of being convenient for lead plating on bolts and improving their quality.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] A bolt lead plating mechanism comprises a workbench, the upper part of the workbench is fixedly connected to a base, the upper part of the base is fixedly connected to a lifting mechanism, the lifting mechanism is fixedly connected to a mounting frame, and also comprises a motor 1, a transmission mechanism, and a lead plating pencil, the motor 1 is fixedly connected to the mounting frame, the lead plating pencil is slidably connected to the mounting frame, the lead plating pencil is connected to the motor through the transmission mechanism, the workbench surface below the lead plating pencil is rotatably connected to a dividing plate, the edge of the dividing plate is provided with a circle of equally spaced card slots, the upper part of the workbench is fixedly connected to a driving mechanism for driving the dividing plate, the workbench is provided with a transfer mechanism, the transfer mechanism comprises a connecting block, a cylinder and a push piece, the connecting block, the cylinder and the workbench are connected to the The connecting block is located below the dividing plate, and two mutually perpendicular slide grooves are provided on the upper part of the connecting block, and the two slide grooves form a T-shape, which is fixedly connected to the cylinder, and the push piece is embedded in one of the slide grooves and is slidably connected to the connecting block. A feeding port is provided at the workbench near the dividing plate, and the workbench also includes an arc-shaped support plate, which is fixedly connected to the upper part of the workbench, and the arc-shaped support plate is close to the dividing plate, the inner arc of the arc-shaped support plate is parallel to the contour of the dividing plate, and a channel is formed between the arc-shaped support plate and the dividing plate, and the two ends of the arc-shaped support plate are respectively located at the connecting block and the upper part of the discharge port, and also includes a baffle, which is located below the dividing plate, close to the feeding port, and fixedly connected to the workbench.

[0008] By adopting the above technical scheme, the vibration plate transports the bolt to the intersection of the two slide grooves of the connecting block, the cylinder drives the push plate to push the bolt into the slot of the indexing plate along the slide groove, the driving mechanism drives the indexing plate to rotate, and the indexing plate moves with the bolt in the channel between the arc support plate and the indexing plate. When the bolt moves to the bottom of the plated pencil, the indexing plate stops rotating, and the motor drives the plated pencil to descend through the transmission mechanism to plate the bolt with lead. At the same time, the cylinder pushes the rear bolt into the slot of the indexing plate. After the lead is plated, the indexing plate rotates again to bring the lead-passed bolt to the top of the discharge port. The bolt comes out of the channel, hits the baffle plate, and falls into the discharge port. At the same time, the indexing plate brings the rear unleaded bolt under the plated pencil.

[0009] Preferably, the lifting mechanism includes a guide rod and a threaded rod. There are two guide rods, which are vertically fixed to the upper part of the base. Two connecting plates are fixedly connected between the two guide rods. Both ends of the threaded rod are rotatably connected to the two connecting plates respectively. The mounting frame is sleeved on the two guide rods and is slidably connected to the guide rods, and the mounting frame is fixedly connected to the threaded rod slider.

[0010] By adopting the above technical solution, the threaded rod is rotated to drive the mounting frame to move up and down, thereby adjusting the vertical distance from the plated pencil to the dividing plate.

[0011] Preferably, the workbench is fixedly connected to a limiting sleeve, the plated pencil passes through the limiting sleeve and is slidably connected to the limiting sleeve, the plated pencil sleeve has a spring, and two ends of the spring are respectively fixedly connected to the plated pencil and the limiting sleeve.

[0012] By adopting the technical solution, the pressure of the plated pencil on the bolt is buffered to prevent damage to the bolt.

[0013] Preferably, the transmission mechanism includes a crankshaft, a connecting rod, and a pulley. The crankshaft is rotatably connected to the mounting frame, the connecting rod is hinged to the crankshaft, the plated pencil is hinged to the connecting rod, and the motor 1 is connected to the crankshaft via a pulley.

[0014] By adopting the above technical solution, the motor drives the crankshaft to rotate through the pulley, and the rotation of the crankshaft drives the plated pencil to move up and down through the connecting rod.

[0015] Preferably, the driving mechanism includes motor 2, a drum cam, and a driven wheel. Motor 2 is located below the dividing plate and is fixedly connected to the upper part of the workbench. The drum cam is fixedly connected to the output shaft of motor 2. The driven wheel and the dividing plate are fixedly connected on the same axis. The driven wheel is rotatably connected to a circle of rollers, and the driven wheel is meshed with the drum gear.

[0016] By adopting the above technical solution, the second motor rotates and stops the rotating disk through the drum cam and the driven wheel connected with the roller, so as to transport and process the bolts. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an overall schematic diagram of an embodiment;

[0018] Figure 2 It is a structural schematic diagram of the transmission mechanism and the limit sleeve;

[0019] Figure 3 Schematic diagram of the indexing plate drive mechanism.

[0020] Figure numerals: 1. workbench; 2. mounting frame; 3. plated pencil; 4. dividing plate; 5. arc-shaped support plate; 6. baffle; 7. guide rod; 8. threaded rod; 9. limit sleeve; 10. spring; 11. crankshaft; 12. connecting rod; 13. pulley; 14. motor 2; 15. drum cam; 16. driven wheel; 17. connecting block; 18. cylinder; 19. push piece. DETAILED DESCRIPTION

[0021] The following is only a preferred embodiment of the present invention, and the protection scope is not limited to this embodiment. All technical solutions under the concept of the present invention should belong to the protection scope of the present invention. At the same time, it should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

[0022] See also Figure 1 A bolt lead plating mechanism includes a workbench 1, a base is fixedly connected to the upper part of the workbench 1, two vertical guide rods 7 are fixedly connected to the base, two connecting plates are fixedly connected between the two guide rods 7, a threaded rod 8 is rotatably connected between the two connecting plates, and a mounting frame 2 is also included, the mounting frame 2 is sleeved on the two guide rods 7, and is slidably connected to the guide rods 7, and the mounting frame 2 is fixedly connected to the slider of the threaded rod 8.

[0023] See also Figure 1 , Figure 2 , including a motor 1, a crankshaft 11, a connecting rod 12, and a plated pencil 3. The motor 1 is fixedly connected to the mounting frame 2, the crankshaft 11 is rotatably connected to the mounting frame 2, the connecting rod 12 is hinged to the crankshaft 11, the plated pencil 3 is hinged to the connecting rod 12, the plated pencil 3 is slidably connected to the mounting frame 2, the motor 1 is connected to the crankshaft 11 through a pulley 13, a limiting sleeve 9 is fixedly connected to the workbench 1, the plated pencil 3 passes through the limiting sleeve 9 and is slidably connected to the limiting sleeve 9, the plated pencil 3 is covered with a spring 10, and the two ends of the spring 10 are respectively fixedly connected to the plated pencil 3 and the limiting sleeve 9.

[0024] See also Figure 1 and Figure 3 The workbench 1 below the plated pencil 3 is rotatably connected to a dividing plate 4, and a circle of equally spaced slots are provided on the edge of the dividing plate 4. A motor 2 14 is fixedly connected to the workbench 1 below the dividing plate 4, and a drum cam 15 is fixedly connected to the output shaft of the motor 2 14. A driven wheel 16 is fixedly connected to the rotating connecting shaft between the dividing plate 4 and the workbench 1, and the driven wheel 16 is rotatably connected to a circle of rollers, and the driven wheel 16 is meshed with the drum gear.

[0025] See also Figure 1 and Figure 3, the workbench is provided with a transfer mechanism, which includes a connecting block 17, a cylinder 18 and a push piece 19, the connecting block 17, the cylinder 18 are fixedly connected to the upper part of the workbench 1, the connecting block 17 is located below the dividing plate 4, the upper part of the connecting block 17 is provided with two mutually perpendicular slide grooves, and the two slide grooves form a T-shape, the cylinder 18 is fixedly connected, the push piece 19 is embedded in one of the slide grooves, and is slidably connected to the connecting block 17, a discharge port is provided at the workbench 1 near the dividing plate 4, and also includes an arc support plate 5, the arc support plate 5 is fixedly connected to the upper part of the workbench 1, and the arc support plate 5 is close to the dividing plate 4, the inner arc of the arc support plate 5 is parallel to the contour of the dividing plate 4, and a channel is formed between the arc support plate 5 and the dividing plate 4, and the two ends of the arc support plate 5 are respectively located at the connecting block 17 and the upper part of the discharge port, and also includes a baffle 6, the baffle 6 is located below the dividing plate 4, close to the discharge port, and is fixedly connected to the workbench 1.

[0026] Working principle: the vibration plate transports the bolt to the intersection of the two slide grooves of the connecting block 17, the cylinder 18 drives the push piece 19 to push the bolt into the slot of the indexing plate 4 along the slide groove, the motor 14 drives the indexing plate 4 to rotate through the drum cam 15 and the driven wheel 16, the indexing plate 4 moves with the bolt in the channel between the arc support plate 5 and the indexing plate 4, when the bolt moves to the bottom of the plated pencil 3, the indexing plate 4 stops rotating, the motor drives the crankshaft 11 to rotate through the pulley 13, the rotation of the crankshaft 11 drives the plated pencil 3 to descend through the connecting rod 12 to plate the bolt with lead, and at the same time the cylinder 18 pushes the rear bolt into the slot of the indexing plate 4, after the lead is plated, the indexing plate 4 rotates again, and brings the leaded bolt to the top of the discharge port, the bolt comes out of the channel, hits the baffle plate, and falls into the discharge port, at the same time the indexing plate 4 brings the rear unleaded bolt to the bottom of the plated pencil 3, and at the same time the indexing plate 4 brings the rear unleaded bolt to the bottom of the plated pencil 3.

Claims

1. A bolt lead plating mechanism, comprising a workbench (1), characterized in that: The upper part of the workbench (1) is fixedly connected to a base, the upper part of the base is fixedly connected to a lifting mechanism, the lifting mechanism is fixedly connected to a mounting frame (2), and further comprises a motor 1, a transmission mechanism, and a plated pencil (3), the motor 1 is fixedly connected to the mounting frame (2), the plated pencil (3) is slidably connected to the mounting frame (2), the plated pencil (3) is transmission-connected to the motor via the transmission mechanism, the workbench (1) below the plated pencil (3) is rotatably connected to a dividing plate (4), the edge of the dividing plate (4) is provided with a circle of slots with equal spacing, the upper part of the workbench (1) is fixedly connected to a driving mechanism for The dividing plate (4) is driven to rotate, and further comprises an arc-shaped support plate (5), wherein the arc-shaped support plate (5) is fixedly connected to the upper part of the workbench (1), and the arc-shaped support plate (5) is close to the dividing plate (4), the inner arc of the arc-shaped support plate (5) is parallel to the contour of the dividing plate (4), and a channel is formed between the arc-shaped support plate (5) and the dividing plate (4), a transfer mechanism is arranged at one end of the arc-shaped support plate (5), and a material discharge port is opened on the workbench (1) below the other end, and further comprises a baffle plate (6), wherein the baffle plate (6) is located below the dividing plate (4), close to the material discharge port, and fixedly connected to the workbench (1).

2. A bolt lead plating mechanism according to claim 1, characterized in that: The lifting mechanism comprises a guide rod (7) and a threaded rod (8). There are two guide rods (7) which are vertically fixedly connected to the upper part of the base. Two connecting plates are fixedly connected between the two guide rods (7). Both ends of the threaded rod (8) are rotatably connected to the two connecting plates respectively. The mounting frame (2) is sleeved on the two guide rods (7) and is slidably connected to the guide rods (7). The mounting frame (2) is fixedly connected to the sliders of the threaded rods (8).

3. A bolt lead plating mechanism according to claim 1, characterized in that: The workbench (1) is fixedly connected to a limiting sleeve (9); the plated pencil (3) passes through the limiting sleeve (9) and is slidably connected to the limiting sleeve (9); the plated pencil (3) is sleeved with a spring (10); two ends of the spring (10) are respectively fixedly connected to the plated pencil (3) and the limiting sleeve (9).

4. A bolt lead plating mechanism according to claim 1, characterized in that: The transmission mechanism comprises a crankshaft (11), a connecting rod (12), and a pulley (13); the crankshaft (11) is rotatably connected to a mounting frame (2); the connecting rod (12) is hinged to the crankshaft (11); the plated pencil (3) is hinged to the connecting rod (12); and the motor 1 is transmission-connected to the crankshaft (11) via the pulley (13).

5. A bolt lead plating mechanism according to claim 1, characterized in that: The driving mechanism comprises a second motor (14), a drum cam (15), and a driven wheel (16); the second motor (14) is located below the indexing plate (4) and is fixedly connected to the upper part of the workbench (1); the drum cam (15) is fixedly connected to the output shaft of the second motor (14); the driven wheel (16) and the indexing plate (4) are fixedly connected on the same axis; the driven wheel (16) is rotatably connected to a circle of rollers, and the driven wheel (16) is meshed with the drum gear.

6. A bolt lead plating mechanism according to claim 1, characterized in that: The transfer mechanism comprises a connecting block (17), a cylinder (18) and a push piece (19); the connecting block (17) and the cylinder (18) are fixedly connected to the upper part of the workbench (1); the connecting block (17) is located below the indexing plate (4); two mutually perpendicular slide grooves are opened on the upper part of the connecting block (17), and the two slide grooves form a T shape; the cylinder (18) is fixedly connected; the push piece (19) is embedded in one of the slide grooves and is slidably connected to the connecting block (17).