Deep bending device suitable for medium-thin plate

Abstract

A deep bending device suitable for medium-thin plates comprises a base, a deep bending mechanism and a clamping and conveying mechanism, wall plates are arranged on the two sides of the base, and the deep bending mechanism and the clamping and conveying mechanism are arranged between the wall plates on the two sides; the deep bending mechanism comprises a deep bending roller and a deep bending roller lifting mechanism. Deep bending roller lifting mechanisms are arranged on the upper portions of the wall plates on the two sides, and the two ends of the deep bending roller are connected to the deep bending roller lifting mechanisms through deep bending roller bases respectively. The pinch mechanism comprises a lower pinch roll, an upper pinch roll and upper pinch roll lifting mechanisms, the lower pinch roll is installed on the lower portions of the wall plates on the two sides, the upper pinch roll lifting mechanisms are arranged on the upper portions of the wall plates on the two sides, and the two ends of the upper pinch roll are connected to the upper pinch roll lifting mechanisms through upper pinch roll bases respectively. The purpose of plastic deformation is achieved through deep pressing of the deep bending roller on the steel plate, and the difficult problem of the turtle back of the medium-thin high-strength steel plate is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a device for bending medium thin high strength steel sheet to eliminate tortoise back phenomenon belongs to steel sheet bending technical field. BACKGROUND

[0002] Medium thin high strength steel sheet is more and more, and the tortoise back phenomenon of medium thin high strength steel sheet is very serious. Because of high strength and high elasticity, the steel sheet can hardly reach the plastic deformation state in the ordinary leveling machine, resulting in poor stress release effect and little plate shape improvement effect. The ordinary leveling method has poor effect on the tortoise back of high strength steel sheet and cannot achieve the desired leveling effect.

[0003] The current market urgently needs equipment that can effectively eliminate the tortoise back phenomenon of medium thin high strength steel sheet to process medium thin high strength steel sheet. SUMMARY

[0004] The utility model discloses to the deficiency that the existing medium thin high strength steel sheet eliminates tortoise back technology provides a deep bending device of good bending effect suitable for medium thin plate.

[0005] The deep bending device of the utility model adopts the following technical scheme:

[0006] The device comprises a base, a deep bending mechanism and a clamping and conveying mechanism, both sides of the base are provided with wall plates, and the deep bending mechanism and the clamping and conveying mechanism are arranged between the two wall plates. The deep bending mechanism comprises a deep bending roller and a deep bending roller lifting mechanism. The upper part of each of the two wall plates is provided with a deep bending roller lifting mechanism, and both ends of the deep bending roller are connected to the deep bending roller lifting mechanism through a deep bending roller seat. The clamping and conveying mechanism comprises a lower clamping and conveying roller, an upper clamping and conveying roller and an upper clamping and conveying roller lifting mechanism. The lower clamping and conveying roller is installed at the lower part of the two wall plates, and the upper part of each of the two wall plates is provided with an upper clamping and conveying roller lifting mechanism. Both ends of the upper clamping and conveying roller are connected to the upper clamping and conveying roller lifting mechanism through an upper clamping and conveying roller seat.

[0007] A pull rod is connected between the two wall plates, and the pull rod is fixed on the wall plates through a nut to play a tensioning role and make the whole structure more stable.

[0008] The deep bending roller lifting mechanism is a deep bending hydraulic cylinder, and the deep bending roller seat is connected with the piston rod of the deep bending hydraulic cylinder. The deep bending roller is an olive type

[0009] A deep bending roller synchronization device is arranged on the two wall plates to make both ends of the deep bending roller run synchronously. The deep bending roller synchronization device is composed of a deep bending synchronization gear and a deep bending synchronization rack. The deep bending synchronization rack is fixedly installed on the two wall plates, and the deep bending synchronization gear is installed on the deep bending roller seat and meshes with the deep bending synchronization rack.

[0010] Support rollers are arranged in front of the deep bending rollers between the two side wall plates to provide strong support when the steel plate is deep bent.

[0011] A material passing seat is arranged on the base, and the upper surface of the material passing seat is inclined to prevent the head of the steel plate from being stuck at the lower pinch roller.

[0012] The upper pinch roller and the lower pinch roller are respectively connected with a power mechanism to provide driving for the forward movement of the steel plate.

[0013] The upper pinch roller lifting mechanism is a lifting hydraulic cylinder which is installed on the wall plate, and the upper pinch roller seat is connected with the piston rod of the lifting hydraulic cylinder.

[0014] Pinch roller synchronization devices are arranged on the two side wall plates to synchronize the operation of the two ends of the upper pinch roller.

[0015] The steel plate enters between the upper and lower pinch rollers from below the deep bending roller, the upper pinch roller lifting mechanism drives the upper pinch roller to descend and press on the steel plate, the upper and lower pinch rollers clamp the steel plate and drive the steel plate to move.

[0016] The above device is used in cooperation with a high-strength leveling machine.

[0017] The present application can obviously improve the turtleback phenomenon of the medium and thin high-strength steel plate on the market, and can meet the requirements after one treatment. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the deep bending device for the medium and thin plate.

[0019] Figure 2 is a left view of Figure 1 .

[0020] Wherein: 1. base, 2. wallboard, 3. pull rod, 4. pinch synchronous gear, 5. upper pinch roll, 6. lifting hydraulic cylinder, 7. deep bending synchronous gear, 8. deep bending hydraulic cylinder, 9. deep bending roll, 10. front support roll, 11. material passing plate, 12. lower pinch roll. 13. upper pinch roll seat, 14. pinch synchronous rack, 15. deep bending synchronous rack, 16. deep bending roll seat. DETAILED DESCRIPTION

[0021] The utility model discloses a deep bending device of medium and thin plate, like Figure 1 And Figure 2 As shown, including base 1, pinch mechanism and deep bending mechanism. The both sides of base 1 are provided with wallboard 2, and pull rod 3 is connected between the both sides wallboard 2, and pull rod 3 is fixed on wallboard 2 through nut, plays the role of tension, makes the whole structure more stable. The deep bending mechanism and pinch mechanism are sequentially arranged between the both sides wallboard 2 from front to back (the right side in the drawing is front. Figure 2

[0022] The deep bending mechanism includes deep bending roll 9 and deep bending roll lifting mechanism. The upper portion of the both sides wallboard 2 is provided with deep bending roll lifting mechanism, and the both ends of deep bending roll 9 are connected to deep bending roll lifting mechanism through deep bending roll seat 16 respectively.

[0023] Deep bending roll lifting mechanism adopts deep bending hydraulic cylinder 8, and it is large cylinder diameter and large stroke hydraulic cylinder, provides drive for the up-down movement of deep bending roll 9, so that it has enough power and stroke to make the steel plate produce large deformation. Deep bending roll seat 16 is connected with the piston rod of deep bending hydraulic cylinder 8, and deep bending roll 9 is olive type long roll, and the both ends are installed on the both sides wallboard 2 through large bearing. Deep bending hydraulic cylinder 8 drives deep bending roll 9 to contact the steel plate, so that the steel plate produces plastic deformation, the reverse bending on the tortoise back surface of the steel plate releases the concentrated stress, and the plate shape is improved.

[0024] In order to make the both ends of deep bending roll 9 run synchronously, deep bending roll synchronization device is arranged on the both sides wallboard 2. Deep bending roll synchronization device is composed of deep bending synchronous gear 7 and deep bending synchronous rack 15, deep bending synchronous rack 15 is fixedly installed on the both sides wallboard 2, and deep bending synchronous gear 7 is installed on deep bending roll seat 16 and moves up and down with deep bending roll seat 16, so that the up-down movement of the both ends of deep bending roll 9 is consistent, and inclination does not occur.

[0025] Referring to Figure 2 , support roll 10 is further arranged between the both sides wallboard 2 in front of deep bending roll 9, and the both ends of support roll 10 are installed on wallboard 2 through large bearing, and the support roll 10 provides strong support when the steel plate is deep bent.

[0026] In order to prevent the head of the steel plate after deep bending from being inserted into the lower side of lower pinch roll 12, material passing seat 11 is arranged on base 1, and the upper surface of material passing seat 11 is inclined, so that the head of the steel plate can enter the upper side of lower pinch roll 12. ​

[0027] The pinch mechanism includes a lower pinch roll 12, an upper pinch roll 5 and an upper pinch roll lifting mechanism. The lower pinch roll 12 is installed at the lower part of the two side wall plates 2, and the upper part of the two side wall plates 2 is provided with an upper pinch roll lifting mechanism. The two ends of the upper pinch roll 5 are connected to the upper pinch roll lifting mechanism through the upper pinch roll seat 13 respectively.

[0028] The two ends of the lower pinch roll 12 are installed on the wall plate 2 through large bearing, which provides strong support for deep bending of the steel plate. One end of the lower pinch roll 12 is connected to the power mechanism, which provides driving force for the forward movement of the steel plate. The power mechanism can be a reduction motor installed on one side wall plate 2.

[0029] The upper pinch roll lifting mechanism adopts a lifting hydraulic cylinder 6, which is installed on the wall plate 2. The upper pinch roll seat 13 is connected to the piston rod of the lifting hydraulic cylinder 6. The two sides of the lifting hydraulic cylinder 6 drive the upper pinch roll seat 13 and the upper pinch roll 5 to rise and fall. The two ends of the upper pinch roll 5 are installed on the upper pinch roll seat through large bearing, which provides strong support for deep bending of the steel plate. One end of the upper pinch roll 5 is connected to the power mechanism, which provides driving force for the forward movement of the steel plate. The power mechanism can be a reduction motor installed on one side of the upper pinch roll seat 13, which can rise and fall with the upper pinch roll seat 13.

[0030] In order to make the two ends of the upper pinch roll 5 run synchronously, the pinch roll synchronization device is provided on the two side wall plates 2. The pinch roll synchronization device is composed of a pinch synchronization gear 4 and a pinch synchronization rack 14. The pinch synchronization gear 4 is engaged with the pinch synchronization rack 14. The pinch synchronization rack 14 is installed on the two side wall plates 2, and the pinch synchronization gear 4 is installed on the upper pinch roll seat 13, which moves up and down with the upper pinch roll seat 13 and the upper pinch roll 5, ensuring that the two ends of the upper pinch roll 5 rise and fall consistently without tilting.

Claims

1. A deep bending apparatus for a medium-thin sheet, characterized by: The utility model provides a wallboard deep bending and clamping device, including base, deep bending mechanism and clamping mechanism, the both sides of base are provided with wallboard, and deep bending mechanism and clamping mechanism are provided with between two side wallboards, deep bending mechanism includes deep bending roller and deep bending roller lifting mechanism, the upper portion of two side wallboards is provided with deep bending roller lifting mechanism, and the both ends of deep bending roller are connected on deep bending roller lifting mechanism through deep bending roller seat respectively, clamping mechanism includes lower clamping roller, upper clamping roller and upper clamping roller lifting mechanism, and lower clamping roller is installed in the lower portion of two side wallboards, and the upper portion of two side wallboards is provided with upper clamping roller lifting mechanism, and the both ends of upper clamping roller are connected on upper clamping roller lifting mechanism through upper clamping roller seat respectively.

2. The apparatus according to claim 1, wherein: The two side wallboards are connected by a pull rod.

3. The apparatus for deep bending of a flexible sheet material as defined in claim 1 wherein: The deep bending roller lifting mechanism is a deep bending hydraulic cylinder, and the deep bending roller seat is connected with the piston rod of the deep bending hydraulic cylinder.

4. The apparatus for deep bending of a flexible sheet material as defined in claim 1 wherein: The deep bending roller is olive-shaped.

5. The apparatus for deep bending of a flexible sheet material as defined in claim 1 wherein: The two side wallboards are provided with a deep bending roller synchronization device, which is composed of a deep bending synchronization gear and a deep bending synchronization rack.

6. The apparatus of claim 1 wherein: The two side wallboards are provided with a support roller in front of the deep bending roller.

7. The apparatus of claim 1 wherein: The base is provided with a material passing seat, and the upper surface of the material passing seat is inclined.

8. The apparatus of claim 1 wherein: The upper clamping roller and the lower clamping roller are respectively connected to a power mechanism.

9. The apparatus of claim 1 wherein: The upper clamping roller lifting mechanism is a lifting hydraulic cylinder, which is installed on the wallboard, and the upper clamping roller seat is connected with the piston rod of the lifting hydraulic cylinder.

10. The apparatus for deep bending of a flexible sheet material as defined in claim 1 wherein: The two side wallboards are provided with a clamping roller synchronization device, which is composed of a clamping synchronization gear and a clamping synchronization rack. The clamping synchronization rack is installed on the two side wallboards, and the clamping synchronization gear is installed on the upper clamping roller seat and engaged with the clamping synchronization rack.

Images