Numerically controlled hydraulic sheet bending machine

Abstract

The application discloses a numerical control hydraulic plate bending machine, which comprises a bending machine body, a die connecting end is arranged on the bending machine body, an upper die is arranged at the bottom of the die connecting end, a supporting assembly is arranged below the upper die, the supporting assembly comprises a circular supporting seat, an upper cavity and a lower cavity are arranged in the circular supporting seat, a group of supporting frames are arranged in the upper cavity and close to one side of the bending machine body, supporting plates are arranged between the supporting frames and away from the inner wall of the upper cavity, V-groove supporting tables are arranged on the top of the supporting plates and away from the supporting frames, a resisting mechanism is arranged in the lower cavity, a hydraulic device is arranged in the die connecting end, and the hydraulic device is connected with the top of the upper die.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of numerical control bending machine, in particular to a numerical control hydraulic plate bending machine. BACKGROUND

[0002] With the development of social economy, the factory production is more and more sophisticated, in the production of high-end products, the required equipment is also more and more high, among them, the bending machine is a kind of indispensable production equipment, the product processed by the bending machine not only has beautiful appearance, but also has greater structural strength, because of the advantages of simple operation, low cost and fast response speed, it is widely used in workpiece bending operation, when the hydraulic numerical control bending machine works, the precision sheet metal will be pressed by the weight of the upper die in the processing process, causing the sheet metal to be unstable, thereby affecting the accuracy of bending processing. SUMMARY

[0003] The technical task of the present application is to solve the above problems by providing a numerical control hydraulic plate bending machine.

[0004] The technical scheme of the present application is as follows:

[0005] A numerical control hydraulic plate bending machine, comprising a bending machine body, a die connecting end is arranged on the bending machine body, an upper die is arranged at the bottom of the die connecting end, a supporting assembly is arranged below the upper die, the supporting assembly comprises a circular support seat, an upper cavity and a lower cavity are arranged in the circular support seat;

[0006] A group of supporting frames are arranged in the upper cavity close to one side of the bending machine body, supporting plates are arranged between the sides of the supporting frames away from the inner wall of the upper cavity, V groove supporting tables are arranged on the top of the sides of the supporting plates away from the supporting frames;

[0007] A resisting mechanism is arranged in the lower cavity;

[0008] A hydraulic device is arranged in the die connecting end, and the hydraulic device is connected with the top of the upper die.

[0009] As a preferred, a semicircular channel is arranged on the bottom of the side of the supporting plate away from the supporting frame, and the semicircular channel is fixed on the inner wall of the circular support seat at both ends; a honeycomb structure is arranged in the semicircular channel, elastic members are embedded between any honeycomb holes of the honeycomb structure, the elastic members comprise: strands, the strands are formed by five strands weaving; particles, the particles are made of rubber material to form a plurality of tightly bonded rubber particle groups; damping rings, the damping rings are bonded between the honeycomb holes of the honeycomb structure.

[0010] As preferred, the abutting mechanism comprises a gear one, one side of the gear one is provided with a gear two in engagement, the gear two and the middle part of the gear one are both provided with a secondary rotating shaft, one end of the secondary rotating shaft away from the gear one and the gear two is provided with a group of fan wheels, the middle part of the fan wheel away from the secondary rotating shaft is provided with a primary rotating shaft, one end of one of the primary rotating shaft is connected with a motor, the motor is installed on one side of the inner side wall of the lower cavity, the other end of the other primary rotating shaft is connected at the other side of the inner side wall of the lower cavity.

[0011] As preferred, the end part between the group of fan wheels is provided with an eccentric rod, the other end of the eccentric rod extends into the upper cavity and is provided at the end with a symmetrical elbow, the other end of the elbow is provided with an abutting plate, the end of the elbow away from the abutting plate is provided with an H-shaped frame, one end of the eccentric rod is movably connected to the H-shaped frame.

[0012] As preferred, the middle part of the upper cavity is provided with a central shaft, the central shaft is provided with two cylinders two, the central shaft between the two cylinders two is provided with two cylinders one; the right side of the cylinder one is provided with a side plate one, the side plate one is respectively located at the two sides of the eccentric rod; the left side of the cylinder two is provided with a side plate two, the side plate two is respectively located at the two sides of the eccentric rod; the top of the side plate one and the side plate two away from one side of the cylinder one and the cylinder two is respectively provided with a bent rod, the top of the bent rod is provided with a connecting block, the top of the connecting block is respectively fixed at the bottom of the elbow.

[0013] As preferred, the hydraulic mechanism comprises a cylinder, the cylinder is located at the top center of the mold connecting end, the bottom of the cylinder is provided with a horizontal plate, the horizontal plate is fixed in the mold connecting end, the cylinder is provided with a matched piston, the bottom center of the piston is provided with a gas rod, the gas rod extends through the cylinder and the horizontal plate to below the horizontal plate and is provided at the bottom with a push plate.

[0014] As preferred, the outside of the cylinder is provided with a cavity column, the cavity column extends through the horizontal plate and the push plate and is provided below with a connecting head, the bottom of the connecting head is connected with the top of the upper die; the two sides of the push plate are both provided with a matched sliding block sleeve, the two sides of the sliding block sleeve are respectively provided with a connecting arm and a connecting rod; the other end of the connecting arm is provided with a fixed block two, one side of the fixed block two is respectively fixed at the lower position of the two sides in the mold connecting end; the bottom of the connecting rod is provided with a fixed block three, the bottom of the fixed block three is provided with a fixing piece, the fixing piece is clamped at the two ends of the top of the connecting head.

[0015] Preferably, the fastener is made of a hard elastic material, and the top inner end of the fastener is provided with a groove, and the three fixing blocks are fixed in the groove. The bottom of the fastener is respectively engaged in the slots provided at both ends of the bottom of the mold connection end. An elastic support cylinder is provided between the fastener and the side of the connector, and a rubber ball is provided in the elastic support cylinder.

[0016] Compared with the prior art, the advantages and positive effects of the present invention are as follows:

[0017] 1. When the hydraulic mechanism presses the upper mold down, it presses the sheet material on the V-groove support platform downward to achieve bending. During the bending process, the bottom of the sheet material is supported by the lower abutment mechanism, which makes the sheet material more stable during the bending process and avoids the weight of the sheet material caused by the upper mold pressing down, which would affect the bending accuracy.

[0018] 2. A honeycomb structure is installed inside the semi-circular channel, which can provide a certain shock absorption effect to the V-groove support platform and effectively improve the stability of the V-groove support platform.

[0019] 3. A hydraulic mechanism is installed inside the mold connection end. When the hydraulic mechanism is working, it can support and position the upper mold, making the upper mold more stable during the bending process.

[0020] 4. In addition to supporting the sheet metal after bending, the abutting mechanism also clamps the sheet metal. It can be used to clamp other processed materials during processing and has a wide range of applications. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a side view of the overall structure according to an embodiment of the present invention;

[0023] Figure 2 This is a schematic diagram of the circular support base end structure according to an embodiment of the present invention;

[0024] Figure 3 This is a schematic diagram of the support plate end structure according to an embodiment of the present invention;

[0025] Figure 4 This is a schematic diagram of the end structure of the abutment mechanism according to an embodiment of the present invention;

[0026] Figure 5 This is a schematic diagram of the end structure of the hydraulic mechanism according to an embodiment of the present invention.

[0027] In the picture:

[0028] 1. Bending machine body; 2. Die connection end; 3. Upper die; 4. Support assembly; 5. Circular support base; 6. Upper cavity; 7. Lower cavity; 8. Support frame; 9. Support plate; 10. V-groove support platform; 11. Semicircular channel; 12. Honeycomb structure; 13. Gear 1; 14. Gear 2; 15. Secondary rotating shaft; 16. Fan wheel; 17. Main rotating shaft; 18. Motor; 19. Eccentric rod; 20. Bending pipe; 21. Support plate; 22. H-shaped frame; 23. Central shaft 24. Cylinder II; 25. Cylinder I; 26. Side Plate I; 27. Side Plate II; 28. Bent Rod; 29. ​​Connecting Block; 30. Cylinder; 31. Horizontal Plate; 32. Piston; 33. Pneumatic Rod; 34. Push Plate; 35. Hollow Column; 36. Connector; 37. Sliding Sleeve; 38. Connecting Arm; 39. Connecting Rod; 40. Fixing Block II; 41. Fixing Block III; 42. Fixing Component; 43. Groove; 44. Slot; 45. Elastic Support Cylinder; 46. Rubber Ball. Detailed Implementation

[0029] To better understand the above-mentioned objectives, features, and advantages of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0030] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0031] According to embodiments of the present invention, such as Figures 1-5 As shown in the document:

[0032] The present invention provides a CNC hydraulic sheet metal bending machine, including a bending machine body 1, a mold connecting end 2 on the bending machine body 1, an upper mold 3 at the bottom of the mold connecting end 2, a support assembly 4 below the upper mold 3, the support assembly 4 including a circular support seat 5, and an upper cavity 6 and a lower cavity 7 inside the circular support seat 5.

[0033] A set of support frames 8 is provided in the upper cavity 6 near the bending machine body 1. A support plate 9 is provided between the support frames 8 on the side away from the inner wall of the upper cavity 6. A V-groove support platform 10 is provided on the top of the support plate 9 on the side away from the support frame 8.

[0034] The lower cavity 7 is equipped with a blocking mechanism;

[0035] The mold connection end 2 is equipped with a hydraulic device, which is connected to the top of the upper mold 3.

[0036] Among them, according to Figures 2-4 As shown, the bottom of the support plate 9, away from the support frame 8, has a semi-circular channel 11. Both ends of the semi-circular channel 11 are fixed to the inner wall of the circular support base 5. A honeycomb structure 12 is provided inside the semi-circular channel 11. Elastic elements are embedded between any of the honeycomb holes in the honeycomb structure 12. The elastic elements include: rope strands (formed by five-strand braiding); granules (made of rubber material, forming multiple tightly bonded rubber granule groups); and damping rings (bonded between the honeycomb holes of the honeycomb structure). The abutment mechanism includes... The structure includes a gear 13, with a meshing gear 14 on one side. A secondary rotating shaft 15 is inserted through the middle of both gear 13 and gear 14. A set of fan wheels 16 is provided at the end of each secondary rotating shaft 15 away from gears 13 and 14. A main rotating shaft 17 is provided in the middle of each fan wheel 16 on the side away from the secondary rotating shaft 15. A motor 18 is connected to the other end of one of the main rotating shafts 17. The motor 18 is mounted on one side of the inner wall of the lower cavity 7. The other end of the other main rotating shaft 17 is connected to... On the other side of the inner wall of the lower cavity 7, an eccentric rod 19 is provided at the end of a set of fan wheels 16. The other end of the eccentric rod 19 extends into the upper cavity 6 and is provided with a symmetrical bent tube 20. The other end of the bent tube 20 is provided with a stop plate 21. An H-shaped frame 22 is provided at the end of the bent tube 20 away from the stop plate 21. One end of the eccentric rod 19 is movably connected to the H-shaped frame 22. A central shaft 23 is transversely arranged in the middle of the upper cavity 6. Two cylindrical tubes 24 are provided on the central shaft 23. The cylindrical tubes 24 are located between the two cylinders. Two cylinders 25 are provided on the central shaft 23; each cylinder 25 has a side plate 26 on its right side, which is located on both sides of the eccentric rod 19; each cylinder 24 has a side plate 27 on its left side, which is located on both sides of the eccentric rod 19; the top of each side plate 26 and the side plate 27 is provided with a bent rod 28 on the side away from the cylinders 25 and 24, respectively, and the top of each bent rod 28 is provided with a connecting block 29, which is fixed to the bottom ends of the bent tube 20.

[0037] The curvature of the bent pipe 20 is matched with the curvature of the inner wall of the circular support seat 5, so that the outer arc surface of the bent pipe 20 slides along the inner arc surface of the circular support seat 5 under the pulling of the eccentric rod 19. Two cylinder twos 24 and two cylinder ones 25 are arranged on the central shaft 23, and the two cylinder ones 25 are arranged between the two cylinder twos 24, wherein the diameter of the cylinder two 24 is smaller than the diameter of the cylinder one 25, and the rotating directions of the cylinder one 25 and the cylinder two 24 are opposite directions.

[0038] In addition, according to Figure 5 As shown in the middle, the hydraulic mechanism includes a cylinder 30 located at the top center of the mold connecting end 2, and a horizontal plate 31 is arranged at the bottom of the cylinder 30 and fixed in the mold connecting end 2. A piston 32 is arranged in the cylinder 30, and a gas rod 33 is arranged at the bottom center of the piston 32 and extends through the cylinder 30 and the horizontal plate 31 to below the horizontal plate 31 and is provided with a push plate 34 at the bottom. A cavity column 35 is arranged outside the cylinder 30 and extends through the horizontal plate 31 and the push plate 34 and is provided with a connecting head 36 below, and the bottom of the connecting head 36 is connected with the top of the upper mold 3. A sliding block sleeve 37 is sleeved on both sides of the push plate 34, and a connecting arm 38 and a connecting rod 39 are arranged on both sides of the sliding block sleeve 37. A fixed block two 40 is arranged at the other end of the connecting arm 38, and the fixed block two 40 is fixed at the lower position on both sides of the mold connecting end 2. A fixed block three 41 is arranged at the bottom of the connecting rod 39, and a fixed part 42 is arranged at the bottom of the fixed block three 41. The fixed part 42 is clamped at both ends of the top of the connecting head 36, and the fixed part 42 is made of hard elastic material. A notch 43 is arranged at the inner end of the top of the fixed part 42, and the fixed block three 41 is fixed in the notch 43. The bottom of the fixed part 42 is clamped in the clamping groove 44 arranged at both ends of the bottom of the mold connecting end 2. An elastic support cylinder 45 is arranged between the fixed part 42 and the side of the connecting head 36, and a rubber ball 46 is arranged in the elastic support cylinder 45.

[0039] The cavity column 35 is arranged in an inverted convex structure, the bottom of the cavity column 35 is open, and the top of the connecting head 36 is just located at the bottom of the cavity column 35 in the original state. The top of the connecting head 36 is connected by the fixed part 42. When the push plate 34 is pressed by the gas rod 33 above, the fixed part 42 is pressed by the connecting rod 39, and the fixed part 42 is pressed by the connecting head 36 downward, so as to realize the expansion and contraction movement of the upper mold 3.

[0040] The detailed use method and effect of the embodiment are as follows:

[0041] Put the plate on the V groove support table 10, both ends against the plate 21 to play a clamping effect. Drive cylinder 30 and air rod 33 produce telescopic movement, air rod 33 press the push plate 34 down, the push plate 34 on both sides of the slider sleeve 37 in the push plate 34 down, the connecting arm 38 limit first will be on the push plate 34 at the same time to the middle of the movement, this time the connecting rod 39 will press the fixed part 42, fixed part 42 will be at this time will change shape, fixed part 42 will be pressed to the connecting head 36 down, let the connecting head 36 press the bottom of the upper die 3 through the die connection end 2 of the bottom of the plate, the plate is bent down, bending to the need of the appropriate angle. At this time, the drive motor 18 operation, let the motor 18 drive the main shaft 17 connected with the motor 18 end rotation, the main shaft 17 will drive the fan wheel 16 rotation, fan wheel 16 will drive the end of the eccentric rod 19 activity, eccentric rod 19 will be in the two fan wheel 16 rotation along the gear side rotation, further also drive gear two 14 rotation, gear two 14 side engagement gear one 13 will also rotate, at this time both sides of the eccentric rod 19 will pull the H type frame 22 activity, pipe bending 20 will be in the upper cavity 6 activity, in this activity process, side plate two 27 and side plate one 26 will be pushed up at the same time, or will be pulled down at the same time, when push up, both sides of the stop plate 21 will stop the plate bottom two ends, so as to ensure the stability of the plate in the process of bending, at the same time to increase the accuracy of the plate bending.

[0042] Through the above specific embodiments, the skilled in the art can easily realize the present application. However, it should be understood that the present application is not limited to the above described specific embodiments. On the basis of the disclosed embodiments, the skilled in the art can arbitrarily combine different technical features, so as to realize different technical solutions.

Claims

1. A numerically controlled hydraulic sheet bending machine, characterized in that, The utility model relates to a bending machine, including bending machine body (1), be equipped with die connecting end (2) on bending machine body (1), the bottom of die connecting end (2) is equipped with upper die (3), the lower side of upper die (3) is equipped with support subassembly (4), support subassembly (4) includes Circular support seat (5), be equipped with upper cavity (6) and lower cavity (7) in circular support seat (5); One group of support frame (8) is equipped in upper cavity (6) near the side of bending machine body (1), be equipped with support plate (9) between the side of support frame (8) away from the inner wall of upper cavity (6), the top of support plate (9) is equipped with V groove support platform (10) away from the side of support frame (8), the bottom of support plate (9) is equipped with semicircle passageway (11) away from the side of support frame (8), and semicircle passageway (11) both ends are fixed on the inner wall of circular support seat (5) respectively, and semicircle passageway (11) is equipped with honeycomb structure (12) in, and any bee hole between honeycomb structure (12) is inlayed with elastic piece, and elastic piece includes strand, and strand adopts five strands and weaves and forms, particle, and particle adopts rubber material and is made into a plurality of tightly bonded rubber particle groups, Damping ring, the damping ring is bonded between the bee hole of honeycomb structure, Hydraulic mechanism includes cylinder (30), and cylinder (30) is located at the top center of die connecting end (2), and the bottom of cylinder (30) is equipped with horizontal plate (31), and horizontal plate (31) is fixed in die connecting end (2) and is crossed, and cylinder (30) is equipped with the piston (32) of cooperation in, and the bottom center of piston (32) is equipped with air rod (33), and air rod (33) extends to the below of horizontal plate (31) and is equipped with push plate (34) in the bottom of cylinder (30) and horizontal plate (31), and the outside of cylinder (30) is equipped with cavity column (35), and cavity column (35) is penetrated in horizontal plate (31) and push plate (34) and is equipped with connecting head (36) below, and the bottom of connecting head (36) is connected with the top of upper die (3), and the both sides of push plate (34) are all equipped with the sleeve (37) of cooperation, and the both sides of sleeve (37) are all equipped with connecting arm (38) and connecting rod (39) respectively, and the other end of connecting arm (38) is all equipped with fixed block two (40), and the one side of fixed block two (40) is fixed at the lower position of both sides in die connecting end (2) respectively, and the bottom of connecting rod (39) is all equipped with fixed block three (41), and the bottom of fixed block three (41) is all equipped with fixed piece (42), and fixed piece (42) is clamped in the both ends of connecting head (36) top. ​ ​ ​ 2. A numerically controlled hydraulic press brake according to claim 1, characterized in that, The resisting mechanism comprises gear one (13), one side of gear one (13) is provided with meshing gear two (14), the middle part of gear two (14) and gear one (13) is provided with secondary rotating shaft (15), the one end of secondary rotating shaft (15) is provided with a group of fan wheels (16) away from gear one (13) and gear two (14), the middle part of fan wheel (16) away from the side of secondary rotating shaft (15) is provided with main rotating shaft (17), the other end of one of main rotating shaft (17) is connected with motor (18), motor (18) is installed on the side of the inner side wall of lower cavity (7), the other end of the other main rotating shaft (17) is connected at the other side of the inner side wall of lower cavity (7).

3. A numerically controlled hydraulic press brake according to claim 2, characterized in that, The end part between a group of fan wheels (16) is provided with eccentric rod (19), the other end of eccentric rod (19) extends into upper cavity (6) and is provided with symmetrical elbow pipe (20) at the end, the other end of elbow pipe (20) is provided with resisting plate (21), the end away from resisting plate (21) of elbow pipe (20) is provided with H-shaped frame (22) in it, the one end of eccentric rod (19) is movably connected on H-shaped frame (22).

4. A numerically controlled hydraulic press brake according to claim 3, characterized in that, The middle part of upper cavity (6) is provided with central shaft (23) across, the central shaft (23) is provided with two cylinder two (24), the central shaft (23) between two cylinder two (24) is provided with two cylinder one (25); The right side of cylinder one (25) is provided with side plate one (26), side plate one (26) is respectively located at the both sides of eccentric rod (19); The left side of cylinder two (24) is provided with side plate two (27), side plate two (27) is respectively located at the both sides of eccentric rod (19); The top of side plate one (26) and side plate two (27) is respectively provided with elbow rod (28) away from the side of cylinder one (25) and cylinder two (24), the top of elbow rod (28) is provided with connecting block (29), the top of connecting block (29) is respectively fixed at the both ends of the bottom of elbow pipe (20).

5. A numerically controlled hydraulic press brake according to claim 1, wherein The top inner end of fixed part (42) is provided with slot (43), fixed block three (41) is fixed in slot (43), the bottom of fixed part (42) is respectively clamped in the clamping groove (44) provided at the both ends of the bottom of mold connecting end (2); The side between fixed part (42) and connecting head (36) is provided with elastic supporting cylinder (45), the inner of elastic supporting cylinder (45) is provided with rubber ball (46).

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