Metal forming bending machine

Abstract

The utility model discloses a metal forming bending machine which comprises an operation table, an L-shaped supporting plate is connected to the interior of the operation table, a driving box is fixedly connected to the middle of the front side of the L-shaped supporting plate, stamping frames are annularly connected to the front side of the driving box at equal intervals, and bending heads are connected to the outer sides of the stamping frames. A movable through opening is formed in the lower portion of the front side of the operation table in a penetrating mode, the bottom of the L-shaped supporting plate is movably embedded in the movable through opening, and under the action of an annular groove, it can be guaranteed that when a bending head punches a metal piece downwards, the metal piece accurately enters a semicircular forming cavity of a corresponding die base; according to the bending device, the situation that a workpiece deviates when the workpiece is placed for machining is avoided, the bending head can be flexibly replaced according to the size and width of the workpiece, the application range is greatly widened, and the bending head does not need to be frequently disassembled to conduct stamping and bending operation on metal pieces of different structural sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of gold ornament processing, in particular to a metal forming bending machine. Background Art

[0002] Gold is a precious metal and one of the earliest metals discovered and developed by humans. It is an important raw material for making jewelry and coins, and an important national reserve material. It is not only regarded as a symbol of beauty and wealth, but also benefits human life with its unique value. Bending machines are needed for bending gold jewelry.

[0003] In the prior art, application number 202322241297.8 discloses a bending mechanism of a gold jewelry processing and forming machine, including a processing and forming table, the top of which is fixedly connected to a support frame; the above-mentioned device can only bend metal bars and rods individually, and cannot operate on different metal bars and rods multiple times, which greatly reduces the work efficiency. The loading stability of the metal bars and rods is insufficient, and it is easy for the position to shift during the bending process, resulting in deviation in the bending position.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes a metal forming bending machine to overcome the above technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A metal forming bending machine comprises an operating table, an L-shaped support plate is connected inside the operating table, a driving box is fixedly connected to the middle of the front side of the L-shaped support plate, a stamping frame is equidistantly connected to the front side of the driving box, and a bending head is connected to the outer side of each stamping frame. A movable opening is provided through the lower front side of the operating table, and the bottom of the L-shaped support plate is movably embedded in the movable opening.

[0008] Preferably, an arc-shaped groove is dug in the middle of the top side of the operating table, and the arc-shaped groove runs through the front side of the operating table. Connecting grooves are symmetrically dug on the top of the operating table, and the connecting grooves are respectively arranged inside the arc-shaped grooves. A rotating shaft is connected between the inner walls of the connecting grooves through bearings.

[0009] Preferably, annular grooves are dug at equal intervals on the outer wall of the rotating shaft, mold seats are connected at equal intervals between the inner walls of the arc-shaped grooves, a semicircular forming cavity is dug on the top side of the mold seat, and the positions of the annular grooves correspond to the positions of the mold seats.

[0010] Preferably, a first servo motor is fixedly connected to the middle of the inner cavity of the drive box, the output shaft of the first servo motor passes through the front side of the drive box, and is sleeved and fixed with a mounting plate, and the stamping frames are respectively mounted and fixed to the outer wall of the mounting plate.

[0011] Preferably, the stamping frame comprises a mounting square tube and a stamping cylinder, the inner wall of the mounting square tube is fixedly connected to the stamping cylinder, the movable end of the stamping cylinder is fixedly connected to a bending head, and an arc-shaped forming groove is dug on the outer wall of the bending head.

[0012] Preferably, a second servo motor is fixedly connected to the lower rear side of the operating table, a rectangular groove is dug on the bottom side of the inner wall of the movable opening, a lead screw is connected to the front side of the inner wall of the rectangular groove through a bearing, and guide rods are provided on both sides of the lead screw.

[0013] Preferably, the output shaft of the second servo motor is fixedly connected to the rear end of the lead screw, and a moving block is sleeved on the outer side of the lead screw and the guide rod.

[0014] Preferably, a nut is connected inside the moving block via a ball bearing, the moving block is threadedly connected to the lead screw via the nut, and the top side of the moving block is fixedly connected to the bottom front side of the L-shaped support plate.

[0015] The beneficial effects of the utility model are as follows: under the action of the annular groove, it can ensure that when the bending head punches the metal part downward, the metal part can accurately enter the semicircular forming cavity of the corresponding mold seat, avoiding the deviation of the workpiece when the workpiece is placed for processing. The bending head can be flexibly replaced according to the size and width of the workpiece, and the scope of application is greatly improved. There is no need to frequently disassemble the bending head to perform stamping and bending operations on metal parts of different structural sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of a metal forming bending machine according to an embodiment of the utility model;

[0018] Figure 2 This is a schematic diagram of the appearance structure of an operating table of a metal forming bending machine according to an embodiment of the utility model;

[0019] Figure 3 It is a schematic diagram of the internal structure of a drive box of a metal forming bending machine according to an embodiment of the utility model;

[0020] Figure 4 The utility model is a schematic diagram of the internal structure of a movable opening of a metal forming bending machine according to an embodiment of the utility model.

[0021] In the figure:

[0022] 1. Operating table; 2. L-shaped support plate; 3. Drive box; 4. Stamping frame; 5. Bending head; 6. Movable opening; 7. Arc groove; 8. Connecting groove; 9. Rotating shaft; 10. Annular groove; 11. Die seat; 12. Semicircular forming cavity; 13. First servo motor; 14. Mounting plate; 15. Mounting square tube; 16. Stamping cylinder; 17. Arc forming groove; 18. Second servo motor; 19. Rectangular groove; 20. Lead screw; 21. Guide rod; 22. Moving block. DETAILED DESCRIPTION

[0023] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0024] According to an embodiment of the utility model, a metal forming bending machine is provided.

[0025] Embodiment 1

[0026] like Figure 1-4As shown, a metal forming bending machine according to an embodiment of the utility model includes an operating table 1, an L-shaped support plate 2 is connected inside the operating table 1, a driving box 3 is fixedly connected to the middle of the front side of the L-shaped support plate 2, a stamping frame 4 is equidistantly connected to the front side of the driving box 3, and a bending head 5 is connected to the outside of the stamping frame 4. A movable opening 6 is provided through the lower front side of the operating table 1, and the bottom of the L-shaped support plate 2 is movably embedded in the movable opening 6. An arc groove 7 is dug in the middle of the top side of the operating table 1, and the arc groove 7 runs through the front side of the operating table 1. Connecting grooves 8 are symmetrically dug on the top of the operating table 1. The connecting grooves 8 are respectively arranged in the arc grooves 7. A rotating shaft 9 is connected between the inner walls of the connecting grooves 8 through bearings, and an annular groove 10 is dug equidistantly on the outer wall of the rotating shaft 9. A mold base 11 is equidistantly connected between the inner walls of the arc-shaped groove 7, and a semicircular forming cavity 12 is dug on the top side of the mold base 11. The positions of the annular grooves 10 correspond to the positions of the mold base 11. By placing a plurality of metal materials of different specifications on the operating table 1, the metal parts are placed inside the annular grooves 10 corresponding to the rotating shaft 9, and the metal parts are located above the semicircular forming cavity 12 of the corresponding mold base 11. The sizes of the annular grooves 10 are equal to the caliber sizes of the semicircular forming cavity 12 in the mold base 11. Under the action of the annular grooves 10, it can be ensured that when the bending head 5 punches the metal part downward, the metal part can accurately enter the semicircular forming cavity 12 of the corresponding mold base 11, thereby avoiding the deviation of the workpiece when the workpiece is placed for processing.

[0027] Embodiment 2

[0028] like Figure 1-4As shown, a metal forming bending machine according to an embodiment of the utility model includes an operating table 1, an L-shaped support plate 2 is connected inside the operating table 1, a driving box 3 is fixedly connected to the middle of the front side of the L-shaped support plate 2, a stamping frame 4 is equidistantly connected to the front side of the driving box 3, and a bending head 5 is connected to the outside of the stamping frame 4. A movable opening 6 is penetrated at the lower front side of the operating table 1, and the bottom of the L-shaped support plate 2 is movably embedded in the movable opening 6. A first servo motor 13 is fixedly connected to the middle of the inner cavity of the driving box 3, and the output shaft of the first servo motor 13 passes through the front side of the driving box 3, and a mounting plate 14 is fixedly mounted, and the stamping frame 4 is respectively installed and fixed to the outer wall of the mounting plate 14. The stamping frame 4 includes a mounting square tube 15 and a stamping cylinder 16. The inner wall of the mounting square tube 15 is fixedly connected to the stamping cylinder 16, and the movable end of the stamping cylinder 16 is fixedly connected to the bending head 5. The bending head The outer wall of the bending head 5 is provided with an arc-shaped forming groove 17, and mold seats of semicircular forming cavities 12 of different calibers are equidistantly arranged inside the arc-shaped groove 7. By starting the first servo motor 13, the output shaft of the first servo motor 13 drives the mounting plate 14 to rotate, so that the bending heads 5 of different sizes and structures can be rotated to a downward vertical state, and then the punching cylinder 16 is started, so that the movable end of the punching cylinder 16 drives the bending head 5 to punch downward, and the bending head 5 can punch the metal workpiece into the semicircular forming cavity 12, and through the auxiliary cooperation of the arc-shaped forming groove 17 on the outer wall of the bending head 5, the stamping angle will not be offset during the bending process of the metal part, and the bending head 5 can be flexibly replaced according to the size and width of the workpiece, and the scope of application is greatly improved, and there is no need to frequently disassemble the bending head 5 to perform stamping and bending operations on metal parts of different structural sizes.

[0029] Embodiment 3

[0030] like Figure 1-4As shown, a metal forming bending machine according to an embodiment of the utility model includes an operating table 1, an L-shaped support plate 2 is connected inside the operating table 1, a driving box 3 is fixedly connected to the middle of the front side of the L-shaped support plate 2, a stamping frame 4 is equidistantly connected to the front side of the driving box 3, and a bending head 5 is connected to the outside of the stamping frame 4. A movable opening 6 is provided through the lower front side of the operating table 1, and the bottom of the L-shaped support plate 2 is movably embedded in the movable opening 6. A second servo motor 18 is fixedly connected to the lower rear side of the operating table 1, a rectangular groove 19 is dug on the bottom side of the inner wall of the movable opening 6, and a lead screw 20 is connected to the front side of the inner wall of the rectangular groove 19 through a bearing. Guide rods 21 are provided on both sides of the lead screw 20, and the output shaft of the second servo motor 18 is fixedly connected to the rear end of the lead screw 20, and a moving block 22 is sleeved on the outer side of the lead screw 20 and the guide rod 21. A nut is connected inside through a ball bearing, and the moving block 22 is threadedly connected to the lead screw 20 through the nut. The top side of the moving block 22 is fixedly connected to the bottom front side of the L-shaped support plate 2. By starting the second servo motor 18, the output shaft of the second servo motor 18 drives the lead screw 20 to rotate, so that the lead screw 20 and the moving block 22 outside the guide rod 21 drive the L-shaped support plate 2 to move longitudinally. When the stamping frame 4 is rotated and adjusted to the bending head 5 of the appropriate size, the L-shaped support plate 2 can be used to push forward and backward, so that different bending heads 5 can be moved to just above the mold seat 11 of the appropriate size, and metal parts of different sizes can be placed on the operating table 1. Through the transformation of the stamping frame 4 and the distance and position adjustment of the L-shaped support plate 2, multiple stamping and bending operations can be automatically completed on metal parts of different sizes.

[0031] In summary, with the aid of the above-mentioned technical scheme of the utility model, when the device is in use, a plurality of metal materials of different specifications are placed on the operating table 1, so that the metal parts are placed inside the annular groove 10 corresponding to the rotating shaft 9, and the metal parts are located above the semicircular forming cavity 12 of the corresponding mold seat 11, and the sizes of the annular groove 10 are respectively equal to the caliber sizes of the semicircular forming cavity 12 in the mold seat 11. Under the action of the annular groove 10, it can be ensured that when the bending head 5 punches the metal parts downward, the metal parts can accurately enter the semicircular forming cavity 12 of the corresponding mold seat 11. The mold seats with semicircular forming cavities 12 of different calibers are equidistantly arranged inside the arc groove 7. By starting the first servo motor 13, the output shaft of the first servo motor 13 drives the mounting plate 14 to rotate, so that the bending heads 5 with different size structures can be rotated to a downward vertical state, and then the stamping cylinder 16 is started to make the movable end of the stamping cylinder 16 drive the bending head 5 is punched downward, and the bending head 5 can punch the metal workpiece into the semicircular forming cavity 12, and through the auxiliary cooperation of the arc-shaped forming groove 17 on the outer wall of the bending head 5, the stamping angle will not be offset during the bending process of the metal workpiece. The bending head 5 can be flexibly replaced according to the size and width of the workpiece. By starting the second servo motor 18, the output shaft of the second servo motor 18 drives the lead screw 20 to rotate, so that the lead screw 20 and the moving block 22 outside the guide rod 21 drive the L-shaped support plate 2 to move longitudinally. When the punching frame 4 is rotated and adjusted to the bending head 5 of the appropriate size, the L-shaped support plate 2 can be used to push forward and backward, so that different bending heads 5 can be moved to the top of the mold seat 11 of the appropriate size, and metal parts of different sizes can be placed on the operating table 1. Through the transformation of the punching frame 4 and the distance and position adjustment of the L-shaped support plate 2, multiple stamping and bending operations can be automatically completed for metal parts of different sizes.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A metal forming bending machine, comprising an operating table (1), characterized in that: The operating table (1) is internally connected to an L-shaped support plate (2), the middle of the front side of the L-shaped support plate (2) is fixedly connected to a drive box (3), the front side of the drive box (3) is annularly equidistantly connected to a punching frame (4), the outer sides of the punching frames (4) are connected to bending heads (5), a movable opening (6) is provided through the lower front side of the operating table (1), and the bottom of the L-shaped support plate (2) is movably embedded in the movable opening (6).

2. A metal forming bending machine according to claim 1, characterized in that: An arc-shaped groove (7) is excavated in the middle of the top side of the operating table (1), and the arc-shaped groove (7) runs through the front side of the operating table (1). Connecting grooves (8) are symmetrically excavated on the top of the operating table (1), and the connecting grooves (8) are respectively arranged inside the arc-shaped grooves (7). A rotating shaft (9) is connected between the inner walls of the connecting grooves (8) via a bearing.

3. A metal forming bending machine according to claim 2, characterized in that: Annular grooves (10) are dug at equal intervals on the outer wall of the rotating shaft (9), a mold seat (11) is connected at equal intervals between the inner walls of the arc-shaped grooves (7), a semicircular molding cavity (12) is dug on the top side of the mold seat (11), and the positions of the annular grooves (10) correspond to the positions of the mold seat (11).

4. A metal forming bending machine according to claim 3, characterized in that: A first servo motor (13) is fixedly connected to the middle of the inner cavity of the drive box (3); an output shaft of the first servo motor (13) passes through the front side of the drive box (3) and is sleeved and fixed with a mounting plate (14); and the punching frames (4) are respectively mounted and fixed on the outer wall of the mounting plate (14).

5. A metal forming bending machine according to claim 4, characterized in that: The punching frame (4) comprises a mounting square tube (15) and a punching cylinder (16); the inner wall of the mounting square tube (15) is fixedly connected to the punching cylinder (16); the movable end of the punching cylinder (16) is fixedly connected to the bending head (5); and an arc-shaped forming groove (17) is excavated on the outer wall of the bending head (5).

6. A metal forming bending machine according to claim 5, characterized in that: A second servo motor (18) is fixedly connected to the lower rear side of the operating table (1); a rectangular groove (19) is excavated on the bottom side of the inner wall of the movable opening (6); a lead screw (20) is connected to the front side of the inner wall of the rectangular groove (19) via a bearing; guide rods (21) are provided on both sides of the lead screw (20).

7. A metal forming bending machine according to claim 6, characterized in that: The output shaft of the second servo motor (18) is fixedly connected to the rear end of the lead screw (20), and a moving block (22) is sleeved on the outside of the lead screw (20) and the guide rod (21).

8. A metal forming bending machine according to claim 7, characterized in that: The interior of the moving block (22) is connected to a nut via a ball bearing, the moving block (22) is threadedly connected to the lead screw (20) via the nut, and the top side of the moving block (22) is fixedly connected to the bottom front side of the L-shaped support plate (2).

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