Stamping, bending and forming device and process for sheet metal part

Abstract

The invention belongs to the field of stamping of sheet metal parts, particularly relates to a stamping, bending and forming device and process of sheet metal parts, and solves the problems of low efficiency and poor quality in the prior art, the stamping, bending and forming device comprises a base and a stamping head, four symmetrically-arranged supporting columns are welded to the top of the base, and a top plate is jointly welded to the tops of the four supporting columns; a hydraulic cylinder is installed at the bottom of the top plate, a stamping rod is fixedly connected to the output end of the hydraulic cylinder, a stamping seat is fixedly connected to the top of the base through bolts, a grooved wheel, a driving shaft and other structures are arranged, a rack plate drives a driving gear to rotate, and through limitation of a ratchet wheel and a pawl, when the rack plate descends, the driving shaft is driven to rotate; therefore, the disc drives the sliding block to move, the grooved wheel rotates by a certain angle, then the rotating disc is driven to rotate by a certain angle, next machining is achieved, the machining operation time is saved, and the machining efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of sheet metal stamping, and in particular to a stamping, bending and forming device and process for sheet metal parts. Background Art

[0002] At present, sheet metal stamping is a comprehensive cold working process for metal sheets. This process uses a die to apply pressure to the metal sheet to cause it to undergo plastic deformation to obtain the desired shape and size.

[0003] The prior art has a stamping and bending forming device for sheet metal parts with the authorization announcement number of CN215279592U. The patent relates to the technical field of sheet metal processing and discloses a stamping and bending forming device for sheet metal parts, including a bottom plate, a top plate, a support rod, a hydraulic cylinder, a pressure head, a fixed seat, a rotating disk, a groove, a cavity, a motor and an ejection mechanism. The top plate is located above the bottom plate and is fixedly connected by the support rod. The hydraulic cylinder and the pressure head are arranged below the top plate for stamping operations. A fixed seat is provided on the bottom plate, and a rotatable rotating disk is provided in the fixed seat. A plurality of grooves with cavities are provided on the disk. The motor drives the rotating disk to rotate, and an ejection mechanism is also provided in each cavity. The patent can realize continuous stamping and bending, reduce downtime, and significantly improve processing efficiency.

[0004] However, after one stamping is completed, the stamping work needs to be stopped, and then the turntable needs to be rotated through a separate operation to move the next stamping part to the stamping position, and then the stamping work needs to be performed again, which is time-consuming and affects work efficiency.

[0005] The prior art has a stamping and bending tooling for sheet metal parts with the authorization announcement number of CN217252201U. The patent discloses a stamping and bending tooling for sheet metal parts, which relates to the field of parts processing, and includes a punching machine body and a mold body. A frame is provided on the top of the punching machine, on which a stamping cylinder is fixed, and the output end is connected to a stamping plate. A mold fixing seat is also fixed on the top of the punching machine, with a card slot on the front and square card slots on both sides. The patent design is convenient for installing and replacing the mold body, has a good fixing effect, and the mold is not easy to loosen during the stamping process, and the force is stable, ensuring an excellent stamping effect;

[0006] However, this patent performs stamping of individual workpieces, and after a single stamping is completed, loading and unloading work is performed again, which affects work efficiency. Summary of the invention

[0007] The purpose of the present invention is to provide a stamping and bending forming device and process for sheet metal parts, which solves the problems of low efficiency and poor quality.

[0008] In order to solve the above technical problems, the present invention provides a stamping and bending forming device for sheet metal parts, including a base and a stamping head, the top of the base is welded with four symmetrically arranged support columns, the tops of the four support columns are welded with a top plate, the bottom of the top plate is installed with a hydraulic cylinder, the output of the hydraulic cylinder is fixedly connected to a stamping rod, the top of the base is fixedly connected to a stamping seat by bolts, a groove is provided inside the stamping seat, a turntable is rotated inside the groove, a discharge hole and a stamping hole are respectively provided on the stamping seat, a discharge trough is provided on the base and the stamping seat, the bottom of the base is fixedly connected to a collection box by bolts, and two box doors are installed on one side of the connection box;

[0009] The top of the base is fixedly connected with a supporting plate by bolts, and a driving shaft and a driven shaft are rotatably installed on one side of the supporting plate, and a rotating shaft is rotatably installed on the supporting plate and the stamping seat together with the supporting plate, and the rotating shaft is fixedly sleeved on the outer circumference of the rotating shaft, and a driving gear is movably sleeved on the outer circumference of the driving shaft, and a disc is fixedly sleeved on the outer circumference of the driven shaft, and a synchronous belt is jointly installed on the outer circumferences of the driving shaft and the driven shaft, and a sliding block is welded on one side of the disc, and a groove wheel is fixedly sleeved on the outer circumference of the rotating shaft, and a connecting rod is welded on the outer circumference of the stamping rod, and one end of the connecting rod is fixedly connected with a rack plate, and a plurality of fixed shafts uniformly distributed around the circumference are welded on one side of the driving gear, a pawl is movable sleeved on the outer circumference of the fixed shaft, and a ratchet is fixed sleeved on the outer circumference of the driving shaft.

[0010] Preferably, gear ring one and gear ring two are fixedly connected to the inner walls of the groove, a plurality of wheel axles and a plurality of clamping screws are rotatably installed inside the turntable, a plurality of sliding plates are slidably assembled inside the turntable, a transmission block is welded on one side of the sliding block, the transmission block is threadedly sleeved on the outer circumference of the clamping screw, a clamping bevel gear and a transmission bevel gear are fixedly sleeved on the outer circumferences of the clamping screw and the wheel axle, a fixed block is welded on one side of the sliding plate, a telescopic block is slidably assembled inside the fixed block, a clamping plate is welded on one side of the telescopic block, and a driving gear is fixedly sleeved on the outer circumference of the wheel axle.

[0011] Preferably, a mounting screw is fixedly connected to the punching head, a mounting groove is provided on the punching rod, and an internal thread is provided on the inner wall of the mounting groove.

[0012] Preferably, the rack plate is meshed with the driving gear, and synchronous wheels are fixedly sleeved on the outer circumferences of the driving shaft and the driven shaft, and the synchronous belts are jointly installed on the outer circumferences of the synchronous wheels.

[0013] Preferably, a circular groove is formed on the driving gear, and the driving shaft is rotatably mounted inside the circular groove via a bearing.

[0014] Preferably, the driving gear is meshed with the gear ring 1, the driving gear is meshed with the gear ring 2, and the transmission bevel gear is meshed with the clamping bevel gear.

[0015] Preferably, a telescopic groove is provided on the fixed block, the telescopic block is slidably connected inside the telescopic groove, a return spring is fixedly connected between the telescopic block and the inner wall of the telescopic groove, a stamping groove is provided inside the turntable, and every two sliding plates are slidably connected inside the stamping groove.

[0016] Preferably, the clamping screw is provided with a forward threaded portion and a reverse threaded portion, the transmission block is provided with a threaded hole, and the forward threaded portion and the reverse threaded portion are respectively threadedly connected inside the two threaded holes.

[0017] A stamping and bending forming process for sheet metal parts, using the stamping and bending forming device for sheet metal parts mentioned above, the specific steps are as follows:

[0018] S1, place the workpiece into the stamping slot on the turntable from the feed hole, and then start the hydraulic cylinder to drive the stamping head to perform stamping work;

[0019] When S2 moves downward, the connecting rod drives the rack plate to move, thereby driving the driving gear to rotate;

[0020] S3, the driving gear drives the driving shaft to rotate through the pawl and the ratchet wheel, and the driving shaft drives the driven shaft to rotate;

[0021] S4, the driven shaft drives the disc to move, the disc drives the sliding block to move, the sliding block drives the groove wheel to move, drives the rotating shaft to rotate, and realizes the rotation of the turntable at a certain angle;

[0022] S5. The punch head is placed inside the punching slot to achieve punching and bending of the sheet metal parts;

[0023] S6, when the turntable drives the driving gear to rotate to the second gear ring position, the clamping screw is driven to clamp and fix the sheet metal part. When it moves to the first gear ring position, the clamping plate is reversed to release the sheet metal part.

[0024] S7, and then it falls into the collection box, is collected, and is taken out by opening and closing the box door.

[0025] Compared with the related art, the present invention has the following beneficial effects:

[0026] 1. The present invention arranges structures such as a groove wheel and a driving shaft, and the rack plate drives the driving gear to rotate. Through the restriction of the ratchet and the pawl, the rack plate drives the driving shaft to rotate when it descends, and then the driven shaft rotates, so that the disc drives the sliding block to move, so that the groove wheel rotates a certain angle, and then drives the turntable to rotate a certain angle, so as to realize the next processing, save processing operation time, and improve processing efficiency.

[0027] 2. The present invention arranges structures such as gear ring 1 and gear ring 2. When the turntable rotates to the gear ring 2 position, the driving gear rotates, driving the clamping screw to rotate, thereby clamping or pressing the workpiece. By fixing the workpiece, the stability of the workpiece during the stamping process is guaranteed, the workpiece displacement during the stamping process is avoided, the stamping work quality is guaranteed, and the workpiece moves to the gear ring 1 position to release the workpiece to achieve material unloading.

[0028] 3. The present invention adopts the arrangement of structures such as threaded rods and internal threads, so that the punch head can be threadedly installed and disassembled through the threaded rods and internal threads, which facilitates the replacement of the punch head and further realizes different punching requirements, thereby making the device more practical.

[0029] In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are specifically cited below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0031] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0032] Figure 2 It is a schematic diagram of the structure of the groove wheel and the driving gear of the present invention;

[0033] Figure 3 It is a structural schematic diagram of the driving shaft of the present invention;

[0034] Figure 4 It is a structural schematic diagram of the disc of the present invention;

[0035] Figure 5 It is a structural schematic diagram of the clamping screw of the present invention;

[0036] Figure 6 It is a schematic diagram of the internal structure of the punching rod of the present invention.

[0037] Numbers in the figure:

[0038] 1. Base; 2. Support column; 3. Hydraulic cylinder; 4. Punching rod; 5. Support plate; 6. Punching seat; 7. Connecting rod; 8. Rack plate; 9. Driving shaft; 10. Driving gear; 11. Driven shaft; 12. Rotating shaft; 13. Grooved wheel; 14. Disc; 15. Sliding block; 16. Synchronous belt; 17. Fixed shaft; 18. Ratchet; 19. Ratchet; 20. Turntable; 21. Axle; 22. Driving gear; 23. Gear ring 1; 24. Gear ring 2; 25. Transmission bevel gear; 26. Clamping bevel gear; 27. Clamping screw; 28. Sliding plate; 29. ​​Fixed block; 30. Clamping plate; 31. Punching head; 32. Mounting screw; 33. Internal thread. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] Example 1

[0041] See also Figure 1-6, a stamping and bending forming device and process for sheet metal parts, including a base 1 and a stamping head 31, four symmetrically arranged support columns 2 are welded on the top of the base 1, and a top plate is welded on the top of the four support columns 2, a hydraulic cylinder 3 is installed at the bottom of the top plate, and the output of the hydraulic cylinder 3 is fixedly connected to the stamping rod 4, the top of the base 1 is fixedly connected to the stamping seat 6 by bolts, a groove is opened inside the stamping seat 6, a turntable 20 is rotatably arranged inside the groove, a discharge hole and a stamping hole are respectively opened on the stamping seat 6, a discharge trough is jointly opened on the base 1 and the stamping seat 6, a collecting box is fixedly connected to the bottom of the base 1 by bolts, two box doors are installed on one side of the connecting box, a support plate 5 is fixedly connected to the top of the base 1 by bolts, a driving shaft 9 and a driven shaft 11 are respectively rotatably installed on one side of the support plate 5, a rotating shaft 12 is rotatably installed on the support plate 5 and the stamping seat 6, the turntable 20 is fixedly sleeved on the outer circumferential surface of the rotating shaft 12, a driving gear 10 is movably sleeved on the outer circumferential surface of the driving shaft 9, and a driven shaft 11 is rotatably sleeved on the driven shaft A disc 14 is fixedly sleeved on the outer circumference of 11, and a synchronous belt 16 is jointly installed on the outer circumferences of the driving shaft 9 and the driven shaft 11. A sliding block 15 is welded on one side of the disc 14, and a groove wheel 13 is fixedly sleeved on the outer circumference of the rotating shaft 12. A connecting rod 7 is welded on the outer circumference of the punching rod 4, and a rack plate 8 is fixedly connected to one end of the connecting rod 7. A plurality of fixed shafts 17 uniformly distributed around the circumference are welded on one side of the driving gear 10, and a pawl 18 is movable sleeved on the outer circumference of the fixed shaft 17. A ratchet 19 is fixedly sleeved on the outer circumference of the driving shaft 9. Through the arrangement of structures such as the groove wheel 13 and the driving shaft 9, the rack plate 8 drives the driving gear 10 to rotate. Through the restriction of the ratchet 19 and the pawl 18, the rack plate 8 drives the driving shaft 9 to rotate when it descends, thereby rotating the driven shaft 11, so that the disc 14 drives the sliding block 15 to move, so that the groove wheel 13 rotates a certain angle, and then drives the turntable 20 to rotate a certain angle, so as to realize the next processing, save processing operation time, and improve processing efficiency.

[0042] See also Figure 1-3 The rack plate 8 is meshed with the driving gear 10, and the outer circumferences of the driving shaft 9 and the driven shaft 11 are fixedly sleeved with synchronous wheels, and the synchronous belt 16 is installed together on the outer circumferences of the synchronous wheels.

[0043] See also Figure 1-3 A circular groove is provided on the driving gear 10, and the driving shaft 9 is rotatably installed inside the circular groove through a bearing.

[0044] The specific implementation process of the present invention is as follows: put the workpiece into the discharge hole, the hydraulic cylinder 3 drives the punch rod 4 to move, the punch rod 4 drives the punch head 31 to move, the punch rod 4 drives the rack plate 8 to move through the connecting rod 7, the rack plate 8 drives the driving gear 10 to rotate, the driving gear 10 drives the driving shaft 9 to rotate, the driven shaft 11 is rotated by the synchronous belt 16, the driven shaft 11 drives the disc 14 to rotate, the disc 14 drives the sliding block 15 to move, the sliding block 15 cooperates with the groove wheel 13, so that the sliding block 15 drives the groove wheel 13 to rotate a certain angle, the groove wheel 13 drives the rotating shaft 12 to rotate, the rotating shaft 12 drives the rotating disk 20 to rotate, because the stroke of the punch head 31 is longer than the length of the rack plate 8 The driving gear 10 is in a stationary state when the rack plate 8 leaves the position of the driving gear 10, so that the rack plate 8 is reset and moves upward to the position of the driving gear 10, and the driving gear 10 can be driven to reverse without hitting the teeth. At the same time, when the rack plate 8 moves downward to drive the driving gear 10 to rotate, the pawl 18 is stuck on the teeth of the ratchet 19, which can drive the ratchet 19 to rotate, and then drive the driving shaft 9 to rotate. When the upward movement is reset, the driving gear 10 reverses, and the pawl 18 no longer gets stuck on the ratchet 19, and will not drive the driving shaft 9 to rotate, so that the turntable 20 will not rotate, thereby avoiding material leakage.

[0045] Example 2

[0046] See also Figure 1-6 Based on the same concept as the above-mentioned embodiment 1, this embodiment further proposes that the inner wall of the groove is fixedly connected with a gear ring 1 23 and a gear ring 2 24, a plurality of wheel shafts 21 and a plurality of clamping screws 27 are rotatably installed inside the turntable 20, a plurality of sliding plates 28 are slidably assembled inside the turntable 20, a transmission block is welded on one side of the sliding block 15, and the transmission block is threadedly sleeved on the outer circumference of the clamping screw 27, a clamping bevel gear 26 and a transmission bevel gear 25 are fixedly sleeved on the outer circumference of the clamping screw 27 and the wheel shaft 21, and a fixed block is welded on one side of the sliding plate 28. 29. The internal sliding assembly of the fixed block 29 is equipped with a telescopic block, and a clamping plate 30 is welded on one side of the telescopic block. A driving gear 22 is fixedly sleeved on the outer peripheral surface of the wheel shaft 21. Through the arrangement of the gear ring 1 23, the gear ring 24 and other structures, when the turntable 20 rotates to the gear ring 24 position, the driving gear 22 rotates, driving the clamping screw 27 to rotate, so as to achieve the clamping or pressing fixation of the workpiece. By fixing the workpiece, the stability of the workpiece during the stamping process is guaranteed, the workpiece displacement during the stamping process is avoided, and the work quality of the stamping is guaranteed. The workpiece moves to the gear ring 1 23 position, and the workpiece is released to achieve unloading.

[0047] See also Figure 4-5 The driving gear 22 is meshed with the gear ring 1 23 , the driving gear 22 is meshed with the gear ring 2 24 , and the transmission bevel gear 25 is meshed with the clamping bevel gear 26 .

[0048] See also Figure 1-5 A telescopic groove is provided on the fixed block 29, and the telescopic block is slidably connected inside the telescopic groove. A return spring is fixedly connected between the telescopic block and the inner wall of the telescopic groove. A stamping groove is provided inside the turntable 20, and every two sliding plates 28 are slidably connected inside the stamping groove.

[0049] See also Figure 5 The clamping screw 27 is provided with a forward threaded portion and a reverse threaded portion, and a threaded hole is opened on the transmission block. The forward threaded portion and the reverse threaded portion are respectively threadedly connected inside the two threaded holes.

[0050] The rotation of the drive gear 22 is performed by the gear ring 1 and the gear ring 23 is rotated to move to the position of the gear ring 24. The gear ring 1 and the gear ring 23 are rotated to move to the position of the gear ring 24. The gear ring 1 and the gear ring 23 are rotated to move to the position of the gear ring 24. The gear ring 1 and the gear ring 23 are rotated to the same extent as the gear ring 1 and the gear ring 23. The gear ring 1 and the gear ring 23 are rotated to the same extent as the gear ring 1 and the gear ring 23.

[0051] Example 3

[0052] See also Figure 1-6 Based on the same concept as the above-mentioned embodiments 1 and 2, this embodiment further proposes that a mounting screw 32 is fixedly connected to the punch head 31, a mounting groove is provided on the punch rod 4, and an internal thread 33 is provided on the inner wall of the mounting groove. Through the arrangement of structures such as the threaded rod and the internal thread 33, the punch head 31 can be threadedly installed and disassembled through the threaded rod and the internal thread 33, which facilitates the replacement of the punch head 31, thereby realizing different stamping requirements, thereby making the device more practical.

[0053] In this embodiment, the punch head 31 is held and rotated. The external thread set on the mounting screw 32 is engaged with the internal thread 33, so that the mounting screw 32 can be unscrewed, so that the punch head 31 can be disassembled. At the same time, during installation, the punch head 31 can be reversed, which facilitates the replacement of the punch head 31 to meet different stamping requirements.

[0054] A stamping and bending forming process for sheet metal parts, using a stamping and bending forming device for sheet metal parts as described above, with the following specific steps: S1, placing the workpiece inside the stamping slot on the turntable 20 from the feed hole, and then starting the hydraulic cylinder 3 to drive the stamping head 31 to perform stamping work;

[0055] S2. When moving downward, the rack plate 8 is driven to move through the connecting rod 7, thereby driving the driving gear 10 to rotate; S3. The driving gear 10 drives the driving shaft 9 to rotate through the pawl 18 and the ratchet 19, and the driving shaft 9 drives the driven shaft 11 to rotate; S4. The driven shaft 11 drives the disc 14 to move, the disc 14 drives the sliding block 15 to move, the sliding block 15 drives the groove wheel 13 to move, drives the rotating shaft 12 to rotate, and realizes the rotation of the turntable 20 at a certain angle; S5. The punch head 31 is placed inside the punching groove to realize the punching and bending of the sheet metal; S6. When the turntable 20 drives the driving gear 22 to rotate to the position of the gear ring 24, the clamping screw 27 is driven to clamp and fix the sheet metal, and when it moves to the position of the gear ring 1 23, the clamping plate 30 is reversed to release the sheet metal; S7. Then it falls into the collection box to realize collection, and is taken out by opening and closing the box door.

[0056] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A stamping and bending device for sheet metal parts, comprising a base (1) and a stamping head (31), characterized in that: Four symmetrically arranged support columns (2) are welded to the top of the base (1), a top plate is welded to the top of the four support columns (2), a hydraulic cylinder (3) is installed at the bottom of the top plate, the output of the hydraulic cylinder (3) is fixedly connected to a punching rod (4), the top of the base (1) is fixedly connected to a punching seat (6) by bolts, a groove is provided inside the punching seat (6), a rotating disk (20) is rotatable inside the groove, a discharge hole and a punching hole are respectively provided on the punching seat (6), a discharge trough is provided on the base (1) and the punching seat (6), the bottom of the base (1) is fixedly connected to a collecting box by bolts, and two box doors are installed on one side of the connecting box; The top of the base (1) is fixedly connected with a support plate (5) by bolts, a driving shaft (9) and a driven shaft (11) are rotatably mounted on one side of the support plate (5), a rotating shaft (12) is rotatably mounted on the support plate (5) and the punching seat (6), the rotating disk (20) is fixedly sleeved on the outer peripheral surface of the rotating shaft (12), a driving gear (10) is movably sleeved on the outer peripheral surface of the driving shaft (9), a disc (14) is fixedly sleeved on the outer peripheral surface of the driven shaft (11), and the outer peripheral surfaces of the driving shaft (9) and the driven shaft (11) are rotatably mounted on the outer peripheral surface of the rotating shaft (12). A synchronous belt (16) is installed on the circumference, a sliding block (15) is welded on one side of the disc (14), a groove wheel (13) is fixedly sleeved on the outer circumference of the rotating shaft (12), a connecting rod (7) is welded on the outer circumference of the punching rod (4), one end of the connecting rod (7) is fixedly connected to a rack plate (8), a plurality of circumferentially evenly distributed fixed shafts (17) are welded on one side of the driving gear (10), a ratchet (18) is movably sleeved on the outer circumference of the fixed shaft (17), and a ratchet (19) is fixedly sleeved on the outer circumference of the driving shaft (9).

2. The punching and bending forming device for sheet metal parts according to claim 1, characterized in that: A gear ring 1 (23) and a gear ring 2 (24) are fixedly connected to the inner wall of the groove, and a plurality of wheel axles (21) and a plurality of clamping screws (27) are rotatably installed inside the turntable (20). A plurality of sliding plates (28) are slidably mounted inside the turntable (20). A transmission block is welded on one side of the sliding block (15), and the transmission block is threadedly sleeved on the outer peripheral surface of the clamping screw (27). A clamping bevel gear (26) and a transmission bevel gear (25) are fixedly sleeved on the outer peripheral surfaces of the clamping screw (27) and the wheel axle (21), respectively. A fixed block (29) is welded on one side of the sliding plate (28), and a telescopic block is slidably mounted inside the fixed block (29). A clamping plate (30) is welded on one side of the telescopic block. A driving gear (22) is fixedly sleeved on the outer peripheral surface of the wheel axle (21).

3. The stamping and bending forming device for sheet metal parts according to claim 2, characterized in that: The punch head (31) is fixedly connected with a mounting screw rod (32), the punch rod (4) is provided with a mounting groove, and the inner wall of the mounting groove is provided with an internal thread (33).

4. The stamping and bending forming device for sheet metal parts according to claim 3, characterized in that: The rack plate (8) is meshed with the driving gear (10), the outer circumferences of the driving shaft (9) and the driven shaft (11) are both fixedly sleeved with synchronous wheels, and the synchronous belt (16) is installed together on the outer circumferences of the synchronous wheels.

5. The stamping and bending forming device for sheet metal parts according to claim 4, characterized in that: The driving gear (10) is provided with a circular groove, and the driving shaft (9) is rotatably mounted inside the circular groove via a bearing.

6. The stamping and bending forming device for sheet metal parts according to claim 5, characterized in that: The driving gear (22) is meshed with the gear ring 1 (23), the driving gear (22) is meshed with the gear ring 2 (24), and the transmission bevel gear (25) is meshed with the clamping bevel gear (26).

7. The punching and bending forming device for sheet metal parts according to claim 6, characterized in that: The fixed block (29) is provided with a telescopic groove, the telescopic block is slidably connected inside the telescopic groove, a return spring is fixedly connected between the telescopic block and the inner wall of the telescopic groove, and a stamping groove is provided inside the turntable (20), and every two sliding plates (28) are slidably connected inside the stamping groove.

8. The punching and bending forming device for sheet metal parts according to claim 7, characterized in that: The clamping screw (27) is provided with a forward threaded portion and a reverse threaded portion, the transmission block is provided with a threaded hole, and the forward threaded portion and the reverse threaded portion are respectively threadedly connected inside the two threaded holes.

9. A stamping and bending forming process for sheet metal parts, using a stamping and bending forming device for sheet metal parts as claimed in claim 8, characterized in that: The specific steps are as follows: S1, placing the workpiece into the punching groove on the turntable (20) through the feed hole, and then starting the hydraulic cylinder (3) to drive the punching head (31) to perform punching work; S2, when moving downward, the connecting rod (7) drives the rack plate (8) to move, thereby driving the driving gear (10) to rotate; S3, the driving gear (10) drives the driving shaft (9) to rotate through the ratchet pawl (18) and the ratchet wheel (19), and the driving shaft (9) drives the driven shaft (11) to rotate; S4, the driven shaft (11) drives the disc (14) to move, the disc (14) drives the sliding block (15) to move, the sliding block (15) drives the groove wheel (13) to move, drives the rotating shaft (12) to rotate, and realizes the rotation of the rotating disk (20) at a certain angle; S5, the punch head (31) is placed inside the punching groove to perform punching and bending forming on the sheet metal part; S6, when the turntable (20) drives the driving gear (22) to rotate to the position of the second gear ring (24), the clamping screw (27) is driven to clamp and fix the sheet metal part. When it moves to the position of the first gear ring (23), the clamping plate (30) is reversed to release the sheet metal part; S7, and then it falls into the collection box, is collected, and is taken out by opening and closing the box door.

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