Metal anti-drop buckle continuous punch forming device

Abstract

The application discloses a metal anti-dropping buckle continuous punching forming device, which comprises a frame, an upper die, a lower die and a power mechanism, the upper die and the lower die are fixed on the upper and lower sides of the frame respectively, and a gap for the metal sheet to pass through is arranged between the upper die and the lower die, guide columns for supporting the metal sheet are arranged on the frame, the guide columns are arranged in two rows and penetrate through the lower die, the upper ends of the guide columns are provided with pre-pressing pieces for pressing the two sides of the metal sheet, so that the metal sheet is always located above the lower die, and the power mechanism comprises a pushing piece and a transmission assembly, the pushing piece is installed on the top of the frame, and the metal sheet is supported and pressed by the guide columns and the pre-pressing pieces, so that the metal sheet can be kept suspended above the lower die and can be horizontally conveyed, and the continuous punching forming of the metal sheet is completed when the upper die and the lower die relatively move, so that the anti-dropping buckle is processed.

Description

Technical Field

[0001] This invention discloses a continuous stamping forming device for metal anti-detachment buckles, belonging to the field of stamping forming technology. Background Technology

[0002] Metal buttons are a common accessory in the clothing industry. To meet the needs of clothing, metal buttons are usually designed in different shapes and structures. Producing such metal buttons requires stamping equipment. Often, the forming process of a metal button involves multiple steps, such as blanking, bending, punching, and die-cutting, to finally form the metal button. However, most existing metal button forming methods rely on keeping the forming die stationary while the forming punch moves vertically under the drive of a cam or other power device. After being unwound, the metal sheet is laid flat and oriented on the surface of the forming die. The sheet metal needs to be bent to form the metal buckle. Since the metal buckle is not a flat sheet structure, in the actual stamping process, the metal sheet not only needs to be fed to one side, but also needs to be lifted upward to detach from the forming die. This is necessary to achieve the alternation of the positions of the two stamping stations. However, during the lifting process of the metal sheet, if the metal sheet lacks the clamping state of the forming punch, it will undergo a certain degree of reset deformation towards its original bent shape in the uncoiled state. This will cause the shape structure after the previous stamping to be unable to be accurately positioned in the next stamping, thus affecting the forming quality of the metal buckle. Summary of the Invention

[0003] The purpose of this invention is to solve the problems in the prior art and to provide a continuous stamping forming device for metal anti-detachment buckles.

[0004] This invention achieves the above-mentioned objective through the following technical solution: a continuous stamping forming device for metal anti-detachment buckles, comprising a frame, an upper die, a lower die, and a power mechanism, characterized in that the upper die and the lower die are respectively fixed on the upper and lower sides of the frame, a gap for metal sheets to pass through is provided between the upper die and the lower die, guide pillars supporting the metal sheets are provided on the frame, multiple guide pillars are provided, arranged in two rows and penetrating the lower die, and a pre-pressing component is provided at the upper end of the guide pillar to press the two sides of the metal sheet so that the metal sheet is always positioned above the lower die, and the power mechanism includes... The device includes a pusher and a transmission assembly. The pusher is mounted on the top of the frame and is used to drive the upper mold to move vertically. The transmission assembly has at least two sets, located on both sides of the upper and lower molds respectively. The transmission assembly is used to drive the lower mold to move vertically. The upper and lower molds move in opposite directions. The upper and lower molds are provided with a first forming part for forming anti-loosening buckles on the metal sheet. The upper and lower molds are also provided with a second forming part for forming a toothed notch on one side of the metal sheet. The frame is provided with a drive assembly that cooperates with the toothed notch and is used to drive the metal sheet to be conveyed to one side.

[0005] Preferably, the pre-compression component includes a compression sleeve, a first limiting bolt, and a first spring. A movable sleeve is rotatably disposed on the guide column. The two ends of the movable sleeve are respectively embedded in the guide column and the compression sleeve. The first limiting bolt passes through the compression sleeve and the movable sleeve and is fixedly connected to the guide column. The first spring is sleeved on the outside of the first limiting bolt and applies a force close to the guide column to the compression sleeve.

[0006] Preferably, the drive assembly includes a motor, a movable seat, a transmission rod, and a first gear. The movable seat is mounted on the upper end of the frame. The upper mold is provided with a through hole to avoid the movable seat. The transmission rod is rotatably mounted in the movable seat, and one end of the transmission rod is fixedly connected to the first gear, and the other end is fixedly connected to the output shaft of the motor. The first gear meshes with a toothed notch. The frame is also provided with an adjusting member for adjusting the position of the drive assembly.

[0007] Preferably, the adjusting component includes a second limiting bolt and a second spring. The frame is provided with a sliding groove. The upper end of the movable seat has a stepped shaft structure and is slidably disposed in the sliding groove. The second limiting bolt is horizontally installed on the frame. The two ends of the second spring abut against the frame and the movable seat respectively, and the second spring applies a force to the movable seat to abut against the second limiting bolt. The frame is provided with a pressure strip for installing the movable seat.

[0008] Preferably, four pushers are provided, and they are either pneumatic cylinders or hydraulic cylinders.

[0009] Preferably, the transmission assembly includes a first drive rod, a second drive rod, a second gear, a rack, and a fixed base. One end of the first drive rod and the second drive rod are fixed to the upper mold and the lower mold, respectively. Two racks are provided and fixed to the first drive rod and the second drive rod, respectively. The fixed base is mounted on the frame. The second gear is rotatably mounted on the fixed base. The two racks are located on both sides of the second gear, and both racks mesh with the second gear.

[0010] Preferably, the upper mold includes a forming punch and a first fixing plate, the lower mold includes a forming die and a second fixing plate, and guide posts and guide sleeves that cooperate with each other are provided between the upper mold and the lower mold.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] By setting up guide posts, pre-pressing parts, second forming parts and driving components, the guide posts and clamping sleeves can support and press the two sides of the metal sheet to keep the metal sheet flat during the stamping process. When the upper and lower dies are closed during stamping, the second forming part can punch out toothed notches and rely on the driving components to drive the metal sheet to one side for a distance. This can ensure the accuracy of the feed amount and the positioning between two adjacent stamping stations.

[0013] By setting up a pusher and a transmission assembly, the pusher drives the upper die to move vertically, and the transmission assembly drives the lower die to move simultaneously, so that the upper and lower dies can close and open. In this way, the metal sheet does not need to move up and down during the stamping process, which can ensure that the metal sheet will not be misaligned in each process of stamping and effectively guarantee the quality of the anti-loosening buckle forming. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of a continuous stamping forming device for metal anti-loosening buckles according to the present invention;

[0015] Figure 2 This is a schematic diagram of the continuous stamping process of metal sheets in this invention;

[0016] Figure 3 This is a schematic diagram of the driving component in this invention;

[0017] Figure 4 This is a schematic diagram of the material guide column and pre-compression component in this invention;

[0018] Figure 5 This is a schematic diagram of the transmission component in this invention;

[0019] Reference numerals: 1. Pressure bar; 2. Drive assembly; 3. Frame; 4. Transmission assembly; 5. Guide post; 6. Guide sleeve; 7. Material guide post; 8. Lower mold; 9. Metal sheet; 10. Pre-pressing component; 11. Upper mold; 12. Pushing component; 13. First forming part; 14. Second forming part; 15. Second spring; 16. Motor; 17. Second limiting bolt; 18. Movable seat; 19. Transmission rod; 20. First gear; 21. First fixed plate; 22. Forming punch; 23. Forming die; 24. Second fixed plate; 25. Movable sleeve; 26. First spring; 27. First limiting bolt; 28. Pressing sleeve; 29. ​​First drive rod; 30. Rack; 31. Second gear; 32. Fixed seat; 33. Second drive rod; 34. Toothed notch. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] like Figures 1-5 As shown, a continuous stamping forming device for metal anti-detachment buckles includes a frame 3, an upper die 11, a lower die 8, and a power mechanism. The upper die 11 and lower die 8 are respectively fixed to the upper and lower sides of the frame 3. A gap exists between the upper die 11 and lower die 8 for a metal sheet 9 to pass through. Multiple guide posts 7 are provided on the frame 3 to support the metal sheet 9, arranged in two rows and penetrating the lower die 8. A pre-pressing member 10 is provided at the upper end of each guide post 7 to press the metal sheet 9 against both sides, ensuring that the metal sheet 9 is always positioned above the lower die 8. The power mechanism includes a pushing member 12 and a transmission assembly 4. The pushing member 12 is mounted on the frame 3. The top of the upper mold 11 is used to drive the upper mold 11 to move vertically. There are four pushers 12, which are cylinders or oil cylinders. There are at least two sets of transmission components 4, which are located on both sides of the upper mold 11 and the lower mold 8 respectively. The transmission components 4 are used to drive the lower mold 8 to move vertically. The movement directions of the upper mold 11 and the lower mold 8 are opposite. The upper mold 11 and the lower mold 8 are provided with a first forming part 13 for forming anti-loosening buckles on the metal sheet 9. The upper mold 11 and the lower mold 8 are also provided with a second forming part 14 for forming a toothed notch 34 on one side of the metal sheet 9. The frame 3 is provided with a drive component 2 that cooperates with the toothed notch 34 and is used to drive the metal sheet 9 to be conveyed to one side.

[0022] The pre-compression component 10 includes a compression sleeve 28, a first limiting bolt 27, and a first spring 26. A movable sleeve 25 is rotatably mounted on the guide column 7, with both ends of the movable sleeve 25 embedded in the guide column 7 and the compression sleeve 28, respectively. The first limiting bolt 27 passes through the compression sleeve 28 and the movable sleeve 25 and is fixedly connected to the guide column 7. The first spring 26 is sleeved on the outside of the first limiting bolt 27 and applies a force close to the guide column 7 to the compression sleeve 28. By pulling the compression sleeve 28 upward, the distance between the compression sleeve 28 and the guide column 7 is increased. The gap allows the unwound metal sheet 9 to enter the gap, and then the clamping sleeve 28 is released. The elastic force of the first spring 26 can then clamp the metal sheet 9. Multiple guide columns 7 and clamping sleeve 28 can provide multi-point support for the metal sheet 9, which can keep the metal sheet 9 flat during stamping and conveying, thereby ensuring the forming quality. In addition, the movable sleeve 25 can rotate, which reduces the frictional resistance between the metal sheet 9 and the movable sleeve 25 during the feeding and conveying process.

[0023] The drive assembly 2 includes a motor 16, a movable seat 18, a transmission rod 19, and a first gear 20. The movable seat 18 is mounted on the upper end of the frame 3. The upper mold 11 has a through hole to avoid the movable seat 18. The transmission rod 19 is rotatably mounted inside the movable seat 18, with one end of the transmission rod 19 fixedly connected to the first gear 20 and the other end fixedly connected to the output shaft of the motor 16. The first gear 20 meshes with the toothed notch 34. The frame 3 is also provided with an adjusting member for adjusting the position of the drive assembly 2. When the second forming part 14 is closed by the upper mold 11 and the lower mold 8, A toothed notch 34 is formed on one side of the metal sheet 9. The transmission rod 19 and the first gear 20 are rotated by the motor 16. By relying on the meshing of the first gear 20 and the toothed notch 34, the feed amount of the metal sheet 9 can be controlled by controlling the rotation angle of the first gear 20 driven by the motor 16. This can achieve precise feeding and also ensure that the metal sheet 9 is positioned alternately between two adjacent workstations during stamping. In this embodiment, the first forming part 13 and the second forming part 14 both include the punch part in the upper die 11 and the die part in the lower die 8.

[0024] The adjusting component includes a second limiting bolt 17 and a second spring 15. A groove is provided on the frame 3. The upper end of the movable seat 18 has a stepped shaft structure and is slidably disposed in the groove. The second limiting bolt 17 is horizontally installed on the frame 3. The two ends of the second spring 15 abut against the frame 3 and the movable seat 18 respectively, and the second spring 15 applies a force to the movable seat 18 to resist the second limiting bolt 17. A pressure strip 1 for installing the movable seat 18 is provided on the frame 3. By rotating the second limiting bolt 17, the movable seat 18 can be pushed to compress the second spring 15. This can change the distance between the first gear 20 and the metal sheet 9, which can ensure that the metal sheet 9 can be smoothly oriented and transported, and also facilitate the adjustment of the new metal sheet 9 after roll change.

[0025] The transmission assembly 4 includes a first drive rod 29, a second drive rod 33, a second gear 31, a rack 30, and a fixed seat 32. One end of the first drive rod 29 and the second drive rod 33 are fixed to the upper mold 11 and the lower mold 8, respectively. Two racks 30 are provided and fixed to the first drive rod 29 and the second drive rod 33, respectively. The fixed seat 32 is mounted on the frame 3. The second gear 31 is rotatably mounted on the fixed seat 32. The two racks 30 are located on both sides of the second gear 31, and both racks 30 mesh with the second gear 31. When the pusher 12 drives the upper mold 11 to rise or fall, the first drive rod 29 drives one of the racks 30 to move synchronously. This rack 30 meshes with the second gear 31 and drives the other rack 30 and the second drive rod 33 to move in the opposite direction to the first drive rod 29, so that the lower mold 8 keeps moving synchronously. In this way, the upper mold 11 and the lower mold 8 achieve mold closing or mold opening.

[0026] The upper mold 11 includes a forming punch 22 and a first fixed plate 21, and the lower mold 8 includes a forming die 23 and a second fixed plate 24. A guide post 5 and a guide sleeve 6 are provided between the upper mold 11 and the lower mold 8 to cooperate with each other. One end of the guide post is fixed between the forming punch 22 and the first fixed plate 21, while one end of the guide sleeve 6 is fixed between the forming die 23 and the second fixed plate 24. When the upper mold 11 and the lower mold 8 are closed, the guide post and the guide sleeve 6 are used to position them to ensure that the features of the first forming part 13 and the second forming part 14 will not be misaligned.

[0027] Working principle: After the metal sheet 9 is unwound, its two sides pass between the clamping sleeve 28 and the guide post 7. The clamping sleeve 28 holds the metal sheet 9 in place, and this multi-point support keeps the metal sheet 9 flat between the upper die 11 and the lower die 8. When the upper die 11 and the lower die 8 close, the pusher 12 drives the upper die 11 downwards, and the transmission assembly 4 drives the lower die 8 upwards. This causes the first forming part 13 to continuously stamp and form an anti-detachment buckle in the middle of the metal sheet 9. The specific process is as follows: Figure 2 As shown, the process includes multiple steps such as cutting A, edge binding B, stamping C, embossing D, punching E, pressing F, and blanking G. The second forming part 14 is used to form a toothed notch 34 on one side of the metal sheet 9. After the upper mold 11 and the lower mold 8 are opened, the metal sheet 9 will not move up or down with the upper mold 11 and the lower mold 8. Instead, the first gear 20 is driven by the motor 16 to rotate, so that the metal sheet 9 can be conveyed to one side at a preset distance, thereby realizing the feeding between the two stamping stations. This continuous action can complete the stamping forming process of the anti-loosening buckle.

[0028] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0029] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A continuous punching forming device for metal anti -falling buckles, comprising a frame (3), an upper die (11), a lower die (8) and a power mechanism, characterized in that, The upper die (11) and the lower die (8) are fixed on the upper and lower sides of the frame (3) respectively, and the upper die (11) and the lower die (8) have a gap for the metal sheet (9) to pass through, the frame (3) is provided with material guide columns (7) for supporting the metal sheet (9), the material guide columns (7) are provided in two rows and penetrate through the lower die (8), the upper ends of the material guide columns (7) are provided with pre-pressing pieces (10) for pressing the two sides of the metal sheet (9), so that the metal sheet (9) is always located above the lower die (8), the power mechanism comprises a pushing piece (12) and a transmission assembly (4), the pushing piece (12) is installed on the top of the frame (3) and is used to drive the vertical movement of the upper die (11), the transmission assembly (4) is provided with at least two groups and is located on the two sides of the upper die (11) and the lower die (8) respectively, and the transmission assembly (4) is used to drive the vertical movement of the lower die (8), the movement directions of the upper die (11) and the lower die (8) are opposite, the upper die (11) and the lower die (8) are provided with first forming parts (13) for forming anti-dropping buckles on the metal sheet (9), and the upper die (11) and the lower die (8) are also provided with second forming parts (14) for forming tooth-shaped notches (34) on one side of the metal sheet (9), the frame (3) is provided with a driving assembly (2) matched with the tooth-shaped notches (34) and used to drive the metal sheet (9) to be conveyed to one side, the driving assembly (2) comprises a motor (16), a movable seat (18), a transmission rod (19) and a first gear (20), the movable seat (18) is installed on the upper end of the frame (3), the upper die (11) is provided with a through hole avoiding the movable seat (18), the transmission rod (19) is rotatably installed in the movable seat (18), one end of the transmission rod (19) is fixedly connected with the first gear (20), the other end is fixedly connected with the output shaft of the motor (16), and the first gear (20) is engaged with the tooth-shaped notches (34), the frame (3) is also provided with an adjusting piece for adjusting the position of the driving assembly (2), the adjusting piece comprises a second limiting bolt (17) and a second spring (15), the frame (3) is provided with a sliding groove, the upper end of the movable seat (18) is in a stepped shaft structure and is slidably arranged in the sliding groove, the second limiting bolt (17) is horizontally installed on the frame (3), the two ends of the second spring (15) abut against the frame (3) and the movable seat (18) respectively, and the second spring (15) applies an abutting force against the second limiting bolt (17) to the movable seat (18), and the frame (3) is provided with a pressing strip (1) for installing the movable seat (18).

2. The metal anti-drop buckle continuous punch forming device according to claim 1, characterized in that, The pre-pressing part (10) comprises a pressing sleeve (28), a first limiting bolt (27) and a first spring (26), the material guiding column (7) is provided with a movable sleeve (25) rotatably, two ends of the movable sleeve (25) are embedded into the material guiding column (7) and the pressing sleeve (28) respectively, the first limiting bolt (27) is fixedly connected with the material guiding column (7) after penetrating through the pressing sleeve (28) and the movable sleeve (25), and the first spring (26) is sleeved outside the first limiting bolt (27) and exerts a force on the pressing sleeve (28) to make the pressing sleeve (28) close to the material guiding column (7).

3. The apparatus according to claim 1, wherein The pushing parts (12) are four in number and are air cylinders or oil cylinders.

4. The apparatus according to claim 1, wherein The transmission assembly (4) comprises a first driving rod (29), a second driving rod (33), a second gear (31), a rack (30) and a fixing base (32), one end of the first driving rod (29) and the second driving rod (33) is fixed on the upper die (11) and the lower die (8) respectively, the rack (30) is provided with two and is fixed on the first driving rod (29) and the second driving rod (33) respectively, the fixing base (32) is installed on the frame (3), the second gear (31) is rotatably installed on the fixing base (32), two racks (30) are located on the two sides of the second gear (31) respectively, and the two racks (30) are engaged with the second gear (31).

5. The apparatus according to claim 1, wherein The upper die (11) comprises a forming male die (22) and a first fixed plate (21), the lower die (8) comprises a forming female die (23) and a second fixed plate (24), and the upper die (11) and the lower die (8) are provided with a guiding column (5) and a guide sleeve (6) matched with each other.

Images