Fastener cold heading forming device

Abstract

The utility model provides a fastener cold heading forming device, which relates to the technical field of fastener processing, and comprises a mounting frame, a top plate, a bottom plate, a disc, a forming groove, a motor, a hydraulic press, a punch, a movable plate, a limiting plate, a side plate and a fixed rod, a through hole for the ejector rod to penetrate through is formed in the bottom plate, a hanging plate is arranged on the outer side of the side plate, an extension plate is arranged at the output end of the hydraulic press, a vertical plate is arranged on the extension plate, a huge elastic hook plate is arranged at the lower end of the vertical plate, a mounting groove is formed in the top plate, and a discharging pipe is arranged in the mounting groove. According to the cold heading forming device, a worker only needs to feed a cylindrical material into the blanking pipe, the worker does not need to manually participate in entering of the cylindrical material into the forming groove and removing of a bolt blank in the forming groove, and therefore the convenience and the machining efficiency of cold heading forming can be improved, potential safety hazards are reduced, and the use effect is good.

Description

Technical Field

[0001] This utility model relates to the field of fastener processing technology, specifically a fastener cold heading forming device. Background Technology

[0002] Fastener cold heading forming equipment is used to process cylindrical materials into bolt blanks through cold heading forming, and then external threads are rolled on the bolt blanks by thread rolling equipment. When using existing cold heading forming equipment, the operator needs to manually place the cylindrical material into the mold and manually remove the cold-headed bolt blanks. This is not only inconvenient, but also poses a significant safety hazard and cannot meet the usage requirements. Utility Model Content

[0003] The purpose of this invention is to provide a fastener cold heading forming device, which aims to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: the fastener cold heading forming device includes a mounting frame, on which a top plate and a bottom plate are provided. Both the top and bottom plates are inclined. A disc is rotatably connected to the bottom plate. A plurality of forming grooves penetrating the disc are formed on the disc, arranged in a circumferential array. A motor is provided on the lower surface of the bottom plate, and the output end of the motor is fixedly connected to the disc. A hydraulic press is provided on the upper surface of the top plate, and a punch is provided at the drive end of the hydraulic press. The device also includes a movable plate and a limiting plate. The movable plate and the limiting plate are located on both sides of the base plate. The movable plate and the limiting plate are connected by the side plate. A fixing rod is provided between the movable plate and the limiting plate. The fixing rod is slidably connected to the base plate. A top rod is provided on the upper surface of the limiting plate. A through hole for the top rod to pass through is provided on the base plate. A hanging plate is provided on the outer side of the side plate. An extension plate is provided at the output end of the hydraulic press. A vertical plate is provided on the extension plate. A large elastic hook plate is provided at the lower end of the vertical plate. An installation groove is provided on the top plate. A material drop pipe is provided inside the installation groove.

[0005] Preferably, the upper end of the discharge tube is configured as a wide opening.

[0006] Preferably, there are two push rods, and two through holes are provided on the base plate. The two push rods are respectively aligned with two forming grooves at different positions on the disc, and the two forming grooves are arranged adjacent to each other.

[0007] Preferably, when the upper surface of the movable plate and the upper surface of the disk are on the same plane, the upper surface of the limiting plate and the lower surface of the base plate remain in contact.

[0008] Preferably, the width of the vertical plate is smaller than the width of the hook plate.

[0009] The beneficial effects of this utility model are:

[0010] When using this device, the operator only needs to feed the cylindrical material into the feeding pipe. The entry of the cylindrical material into the forming groove and the removal of the bolt blank in the forming groove do not require manual intervention from the operator. Therefore, it can improve the convenience and processing efficiency of cold heading and reduce safety hazards, and has good performance. Attached Figure Description

[0011] Figure 1 This is a structural schematic diagram of a specific embodiment of the present invention.

[0012] Figure 2 This is a structural diagram of the other side of the mounting bracket.

[0013] Figure 3 This is a side view of a specific embodiment of the present invention.

[0014] Figure 4 This is a schematic diagram showing the connection between the hanging plate and the hook plate.

[0015] Figure 5 It is a cross-sectional view of the disk.

[0016] In the diagram: 1. Cylindrical material; 2. Mounting frame; 3. Top plate; 4. Bottom plate; 5. Disc; 6. Forming groove; 7. Motor; 8. Hydraulic press; 9. Punch; 10. Movable plate; 11. Limiting plate; 12. Side plate; 13. Fixing rod; 14. Top rod; 15. Hanging plate; 16. Hook plate; 17. Drop tube; 18. Extension plate; 19. Vertical plate. Detailed Implementation

[0017] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings.

[0018] like Figure 1-5As shown, a fastener cold heading forming device includes a mounting frame 2, on which a top plate 3 and a bottom plate 4 are mounted. Both the top plate 3 and the bottom plate 4 are inclined. A disc 5 is rotatably connected to the bottom plate 4. The disc 5 has several forming grooves 6 penetrating it, arranged in a circumferential array. A motor 7 is mounted on the lower surface of the bottom plate 4, and the output end of the motor 7 is fixedly connected to the disc 5. A hydraulic press 8 is mounted on the upper surface of the top plate 3, and a punch 9 is mounted on the drive end of the hydraulic press 8. The device also includes a movable plate 10, a limiting plate 11, and a side plate 12. The movable plate 10 and the limiting plate 11 are... Located on both sides of the base plate 4, the movable plate 10 and the limiting plate 11 are connected by the side plate 12. A fixing rod 13 is provided between the movable plate 10 and the limiting plate 11. The fixing rod 13 is slidably connected to the base plate 4. A top rod 14 is provided on the upper surface of the limiting plate 11. A through hole for the top rod 14 to pass through is provided on the base plate 4. A hanging plate 15 is provided on the outer side of the side plate 12. An extension plate 18 is provided at the output end of the hydraulic press 8. A vertical plate 19 is provided on the extension plate 18. A large elastic hook plate 16 is provided at the lower end of the vertical plate 19. An installation groove is provided on the top plate 3. A material drop pipe 17 is provided inside the installation groove.

[0019] In this embodiment, there are six forming grooves 6, which are arranged in a circumferential array on the disk 5.

[0020] When processing bolt blanks, multiple cylindrical blanks 1 are first fed into the blanking tube 17 at once. Under the action of gravity, the cylindrical blanks 1 in the blanking tube 17 will move in the direction of the disc 5. When the axis of the blanking tube 17 coincides with the axis of the forming groove 6, the cylindrical blanks 1 in the blanking tube 17 can enter the forming groove 6 under the action of gravity. The maximum outer diameter of the cylindrical blanks 1 is smaller than the minimum inner diameter of the forming groove 6 to improve the success rate of the cylindrical blanks 1 entering the forming groove 6. If the cylindrical blanks 1 cannot successfully enter the forming groove 6, the impurities on the forming groove 6 and the cylindrical blanks 1 need to be inspected and cleaned so that the subsequent cylindrical blanks 1 can enter the forming groove 6 normally.

[0021] After the cylindrical material 1 enters the forming groove 6, the motor 7 is started, controlling the disc 5 to rotate 60° clockwise, moving the forming groove 6 to the corresponding position. Then, the hydraulic press 8 is started, controlling the punch 9 on its drive end to cold-forge the cylindrical material 1 in the forming groove 6. The drive end of the hydraulic press 8 and the punch 9 then move upwards, at which point the cylindrical material 1 in the forming groove 6 is cold-forged into a bolt blank. The motor 7 is then started again, continuing to control the disc 5 to rotate 60° clockwise. The drive end of the hydraulic press 8 and the punch 9 then move upwards, cold-forging the cylindrical material 1 in the forming groove 6 into a bolt blank. The cylindrical material 1 in the forming groove 6 below the head 9 is cold-forged. The hook plate 16 is made of rubber. When the drive end of the hydraulic press 8 moves downward, it will drive the extension plate 18, the vertical plate 19, and the hook plate 16 downward. When the hook plate 16 contacts the hanging plate 15, the hook plate 16 will bend, allowing it to pass through the hanging plate 15. When the hook plate 16 has completely passed the hanging plate 15, it returns to its original shape. At the same time, the punch 9 completes the cold-forging of the cylindrical material 1 in the forming groove 6. Subsequently, the drive end of the hydraulic press 8 will drive the extension plate 18 and the vertical plate 19 downward. 9 moves upward, causing the hook plate 16 to move upward as well. During the upward movement, the hook plate 16 can maintain engagement with the hanging plate 15, thereby causing the hanging plate 15 to move upward. The hanging plate 15 causes the side plate 12, the limiting plate 11, the movable plate 10, the fixing rod 13, and the top rod 14 to move upward simultaneously. The top rod 14 can push out the bolt blank in the forming groove 6. Because the bottom plate 4 is inclined, the pushed-out bolt blank can slide off the disc 5 under the action of gravity, thereby removing the cold-forged bolt blank from the forming groove 6, making it easier for the cylindrical material 1 in the discharge pipe 17 to be added back into the forming groove 6. As the limiting plate 11 moves upward, it will abut against the base plate 4, thus restricting the limiting plate 11 from moving further upward. At this time, the side plate 12 and the hanging plate 15 on the side plate 12 also stop moving upward. However, the drive end of the hydraulic press 8 still needs to move upward a certain distance, which will cause the hook plate 16 to bend and deform, causing the hook plate 16 to separate from the hanging plate 15. After the hook plate 16 separates from the hanging plate 15, under the action of gravity, the limiting plate 11, the side plate 12, the movable plate 10, and the push rod 14 will move downward. The push rod 14 will be completely removed from the forming groove 6 to avoid affecting the normal rotation of the disc 5.

[0022] When the movable plate 10 contacts the base plate 4, the push rod 14 has been completely removed from the forming groove 6. At this time, the disc 5 can be rotated by the motor 7 so as to continue to feed the cylindrical material 1 into the forming groove 6. At the same time, the cylindrical material 1 in the forming groove 6 is cold-forged and formed by the punch 9.

[0023] Furthermore, the upper end of the discharge pipe 17 is designed to be wide-mouthed to facilitate the feeding of cylindrical material 1 into the discharge pipe 17.

[0024] Furthermore, there are two push rods 14, and two through holes are opened on the base plate 4. The two push rods 14 are respectively aligned with two different forming grooves 6 on the disc 5, and the two forming grooves 6 are arranged adjacent to each other. Through the two push rods 14, the bolt blank in the same forming groove 6 can be ejected twice, so as to avoid the failure of the first ejection of the bolt blank and improve the success rate of the bolt blank being ejected.

[0025] Furthermore, when the upper surface of the movable plate 10 is on the same plane as the upper surface of the disc 5, the upper surface of the limiting plate 11 abuts against the lower surface of the base plate 4 to prevent the movable plate 10 from obstructing the movement of the bolt blank removed from the forming groove 6.

[0026] Furthermore, the width of the plumb plate 19 is smaller than the width of the hook plate 16, which reduces the obstruction caused by the plumb plate 19 to the movement of the bolt blank and ensures that the bolt blank can be effectively dropped out.

[0027] The start-up and stop operations of the motor 7 and the hydraulic press 8 are all controlled by the PLC (Programmable Logic Controller).

[0028] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

Claims

1. A fastener cold heading forming apparatus, characterized in that, The system includes a mounting frame with a top plate and a bottom plate, both inclined. A disc is rotatably connected to the bottom plate, and the disc has several through-disc forming grooves arranged in a circumferential array. A motor is mounted on the lower surface of the bottom plate, with its output fixedly connected to the disc. A hydraulic press is mounted on the upper surface of the top plate, with a punch at its drive end. The system also includes a movable plate, a limiting plate, and side plates, with the movable plate and limiting plate respectively located at... On both sides of the base plate, the movable plate and the limiting plate are connected by side plates. A fixing rod is provided between the movable plate and the limiting plate. The fixing rod is slidably connected to the base plate. A top rod is provided on the upper surface of the limiting plate. A through hole for the top rod to pass through is provided on the base plate. A hanging plate is provided on the outer side of the side plate. An extension plate is provided at the output end of the hydraulic press. A vertical plate is provided on the extension plate. A large elastic hook plate is provided at the lower end of the vertical plate. An installation groove is provided on the top plate. A material drop pipe is provided inside the installation groove.

2. The fastener cold heading forming apparatus according to claim 1, characterized in that, The upper end of the discharge tube is designed to be wide-mouthed.

3. The fastener cold heading forming apparatus according to claim 1, characterized in that, Two top rods are provided, and two through holes are opened on the bottom plate. The two top rods are respectively aligned with two forming grooves at different positions on the disc, and the two forming grooves are arranged adjacent to each other.

4. The fastener cold heading forming apparatus according to claim 1, characterized in that, When the upper surface of the movable plate and the upper surface of the disk are on the same plane, the upper surface of the limiting plate and the lower surface of the base plate remain in contact.

5. The fastener cold heading apparatus according to any one of claims 1-4, characterized in that, The width of the vertical plate is smaller than the width of the hook plate.

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