CN210816829U - Steel plate bending device - Google Patents
Steel plate bending device Download PDFInfo
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- CN210816829U CN210816829U CN201921143792.2U CN201921143792U CN210816829U CN 210816829 U CN210816829 U CN 210816829U CN 201921143792 U CN201921143792 U CN 201921143792U CN 210816829 U CN210816829 U CN 210816829U
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Abstract
The utility model relates to a steel sheet bending device, the processing of transition circular arc flange board in mainly used H shaped steel is the steel construction of member. The problem of lack excessive arc flange board processingequipment is solved. The steel plate bending device consists of a rectangular supporting frame, a module, an adjustable module and a hydraulic jack; the lower surface of the module is an arc cylindrical surface; the adjustable module comprises a square bobbin, an upper left sliding block, a lower left sliding block, an upper right sliding block, a lower right sliding block and a screw rod, the hydraulic jack is arranged on the lower cross beam of the supporting frame, and the module, the processed flat steel plate and the adjustable module are sequentially clamped between the upper cross beam of the supporting frame and the hydraulic jack. The hydraulic jack continues to move upwards, the flat steel plate is bent and deformed, and a transition arc matched with the arc cylindrical surface of the lower surface of the module is formed on the flat steel plate. The steel plate bending device can be used for accelerating the construction progress and reducing the frequency of dangerous operation. The utility model has the characteristics of simple structure is reasonable, the action is nimble, convenient to use, work piece process velocity are fast.
Description
Technical Field
The utility model relates to a steel sheet bending device, the processing of transition circular arc flange board in mainly used H shaped steel is the steel construction of member.
Background
Bending of the medium steel plate can generally adopt two processing modes of hot bending and cold bending. The two bending modes can adopt a full manual mode, a semi-mechanical mode and a mechanical mode.
In the steel structure engineering with H-shaped steel as a rod piece, in the connection of an inclined rod at a node and a main rod piece, the structural style of a flange plate is generally selected from arc transition and vertical welding with the main rod piece. The transition circular arc flange plate needs to be bent into a certain radian and angle by using a flat steel plate. The prior art lacks a processing device for the transition arc flange plate, and has no relevant literature report.
Disclosure of Invention
The utility model provides a lack excessive circular arc flange board processingequipment's problem, provide a steel sheet bending device.
The utility model discloses an adopt following technical scheme to realize: the steel plate bending device consists of a rectangular supporting frame, a module, an adjustable module and a hydraulic jack; the lower surface of the module is an arc cylindrical surface (a part of the structure of a cylinder cut along a chord); the adjustable module comprises a square cylinder which is composed of a top plate, a bottom plate, a left side plate and a right side plate and has a rectangular cross section, a middle steel plate which is vertically fixed between the top plate and the bottom plate is arranged in the middle of the inside of the square cylinder, a step hole is arranged on the middle steel plate, a left long hole and a right long hole which are symmetrically distributed on two sides of the middle steel plate and along the central line direction of the square cylinder are arranged on the top plate of the square cylinder, a left bolt which penetrates through the left long hole connects a left upper slide block on the upper surface of the top plate with a left lower slide block on the lower surface of the top plate, a right bolt which penetrates through the right long hole connects a right upper slide block on the upper surface of the top plate with a right lower slide block on the lower surface of the top plate, the two sides of the screw rod are provided with positive and negative external threads, a raised shaft collar is, a fixed stop block which is sleeved on the screw rod and fixed with the middle steel plate is arranged on the other side of the shaft collar in the middle of the screw rod, a left nut stop block which is in threaded fit with the left side of the screw rod and fixed with the left lower slide block is arranged on one side of the left lower slide block, and a right nut stop block which is in threaded fit with the right side of the screw rod and fixed with the right lower slide block is arranged on one side of the right lower slide block; the hydraulic jack is arranged on the lower cross beam of the support frame, the bottom plate of the square bobbin is positioned on a piston rod of the hydraulic jack, and the center lines of the support frame, the hydraulic jack, the adjustable module and the module are overlapped in the vertical direction; the distance between the upper left sliding block and the upper right sliding block is adjusted by rotating the screw rod to be equal to the chord length of the outer surface of the angle of the processed flat steel plate needing to be bent, the upper left sliding block, the lower left sliding block and the square tube top plate are fastened through a left bolt, and the upper right sliding block, the lower right sliding block and the square tube top plate are fastened through a right bolt; the processed flat steel plate is arranged on the upper surfaces of the left upper slide block and the right upper slide block, the module is positioned above the flat steel plate, and a symmetrical plane [ surface symmetrical space figure (space symmetrical with repeat to a plane) of a circular cylindrical surface of the module is a special figure which means that the space figure is transformed into a figure of self-symmetrical transformation of the space figure by a mirror reflection. The reflection surface of the specular reflection transformation is called the symmetry plane of the figure. The circular arc cylinder face of the module is exactly a plane symmetrical space figure, the circular arc cylinder face is provided with a symmetrical plane which is perpendicular to the flat steel plate and is positioned in the middle of the upper left sliding block and the upper right sliding block, the hydraulic jack ascends, and the module, the processed flat steel plate and the adjustable module are sequentially clamped between the upper cross beam of the support frame and the hydraulic jack. The hydraulic jack continues to move upwards, the flat steel plate is bent and deformed, and a transition arc matched with the arc cylindrical surface of the lower surface of the module is formed on the flat steel plate.
Compared with the prior art, the utility model, following beneficial effect has:
(1) economic benefits are as follows:
the steel plate bending device can rapidly machine and form the steel plate, and is safe, economical, rapid, simple and convenient to move compared with other methods (such as a furnace one-time heating bending method, a flame gradual heating bending method and a hammering cold bending method). Greatly reducing the labor intensity of workers. When the object needs to be processed for many times, the cost can be greatly reduced by using the invention. Compared with other processing methods, the economic investment can be saved by 86 percent.
(2) Social benefits are as follows:
the use of steel sheet bending device can accelerate the construction progress, reduces the frequency of dangerous operation, alleviates worker's intensity of labour, improves mechanized level, steel sheet bending device's using widely promotes each item progress of similar engineering to accelerating the engineering progress and has realistic meaning.
The utility model has the characteristics of simple structure is reasonable, the action is nimble, convenient to use, work piece process velocity is fast, and safe and reliable, convenient for material collection.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the adjustable module of the present invention;
fig. 3 is the utility model discloses lead screw and middle steel sheet connection structure sketch map in the adjustable module.
In the figure: 1-supporting frame, 2-module, 3-hydraulic jack, 4-square bobbin, 5-middle steel plate, 6-left long hole, 7-right long hole, 8.1-left upper slide block, 8.2-left lower slide block, 8.3-left bolt, 9.1-right upper slide block, 9.2-right lower slide block, 9.3-right bolt, 10-screw rod, 11-shaft collar, 12-fixed stop block, 13-left nut stop block, 14-right nut stop block, 15-flat steel plate, 16-reinforcing rib and 17-circular sleeve.
Detailed Description
The steel plate bending device consists of a rectangular supporting frame 1, a module 2, an adjustable module and a hydraulic jack 3; the lower surface of the module 2 is an arc cylindrical surface; the adjustable module comprises a square tube 4 with a rectangular cross section, which is composed of a top plate, a bottom plate, a left side plate and a right side plate, a middle steel plate 5 vertically fixed between the top plate and the bottom plate is arranged in the middle of the interior of the square tube 4, a step hole is arranged on the middle steel plate 5, a left long hole 6 and a right long hole 7 are arranged on the top plate of the square tube 4 and symmetrically distributed on two sides of the middle steel plate 5 and along the central line direction of the square tube 4, a left bolt 8.3 penetrating through the left long hole 6 connects a left upper slide block 8.1 on the upper surface of the top plate with a left lower slide block 8.2 on the lower surface of the top plate, a right bolt 9.3 penetrating through the right long hole 7 connects a right upper slide block 9.1 on the upper surface of the top plate with a right lower slide block 9.2 on the lower surface of the top plate, two sides of a screw rod 10 are provided with positive and negative external threads, a raised shaft collar 11, one side of a shaft collar 11 in the middle of the screw rod 10 stops a stepped surface of a stepped hole on the middle steel plate 5, the other side of the shaft collar 11 in the middle of the screw rod 10 is provided with a fixed stop 12 which is sleeved on the screw rod 10 and is fixed with the middle steel plate 5, one side of a left lower slide 8.2 is provided with a left nut stop 13 which is in threaded fit with the left side of the screw rod 10 and is fixed with the left lower slide 8.2, and one side of a right lower slide 9.2 is provided with a right nut stop 14 which is in threaded fit with the right side of the screw rod 10 and is fixed with the right lower slide 9; the hydraulic jack 3 is arranged on a lower cross beam of the supporting frame 1, a bottom plate of the square cylinder 4 is positioned on a piston rod of the hydraulic jack 3, center lines of the supporting frame 1, the hydraulic jack 3, the adjustable module and the module 2 are overlapped in the vertical direction, the distance between the left upper slide block 8.1 and the right upper slide block 9.1 is adjusted by rotating the lead screw 10 to be equal to the chord length of the outer surface of a processed flat steel plate 15 with a required bending angle, the left upper slide block 8.1, the left lower slide block 8.2 and a top plate of the square cylinder 4 are fastened through the left bolt 8.3, and the right upper slide block 9.1, the right lower slide block 9.2 and the top plate of the square cylinder 4 are fastened through the right bolt 9.3; the processed flat steel plate 15 is arranged on the upper surfaces of the left upper sliding block 8.1 and the right upper sliding block 9.1, the module 2 is positioned above the flat steel plate 15, the symmetrical surface of the arc cylindrical surface of the module 2 is perpendicular to the flat steel plate 15 and is positioned between the left upper sliding block 8.1 and the right upper sliding block 9.1, the hydraulic jack 3 moves upwards, and the module 2, the processed flat steel plate 15 and the adjustable module are sequentially clamped between the upper cross beam of the supporting frame 1 and the hydraulic jack 3. The hydraulic jack 3 continues to move upwards, the flat steel plate 15 is bent and deformed to form a transition arc matched with the arc cylindrical surface of the lower surface of the module 2.
During specific implementation, the rectangular supporting frame 1 is formed by welding four H-shaped steels, wherein the left and right vertical H-shaped steels are positioned between the upper and lower H-shaped steels, the reinforcing ribs 16 are arranged between the upper and lower plates (the H-shaped steels are composed of the upper plate, the lower plate and the vertical plate) of the upper and lower H-shaped steels, and the reinforcing ribs 16 are positioned in the middle parts of the upper and lower H-shaped steels and the butt joints of the upper and lower H-shaped steels and the left and right vertical H-shaped steels. The module 2 is fixed on the lower surface of the upper beam of the support frame 1; the upper surface of the module 2 is a plane perpendicular to the symmetrical plane of the arc cylindrical surface, so as to fully ensure that the module is freely clamped between the processed flat steel plate 15 and the lower surface of the upper cross beam of the supporting frame 1 or fixed on the lower surface of the upper cross beam of the supporting frame 1. The length of the arc cylindrical surface of the module 2 and the lengths of the left upper sliding block 8.1 and the right upper sliding block 9.1 are larger than or equal to the width of the processed flat steel plate 15, so that the flat steel plate 15 with different widths can be adapted, and the complete forming of the transition arc on the flat steel plate 15 can be ensured. The left long hole 6 and the right long hole 7 are respectively two, and correspondingly, the left bolt and the right bolt are also two, so that two bolts are connected between the left upper sliding block 8.1 and the left lower sliding block 8.2 and between the right upper sliding block 9.1 and the right lower sliding block 9.2, and the connection between the left upper sliding block 8.1 and the left lower sliding block 8.2 and the connection between the right upper sliding block 9.1 and the right lower sliding block 9.2 are more reliable. The lower surface of the bottom plate of the square bobbin 4 is provided with a circular sleeve 17 which is used for clamping the piston rod of the hydraulic jack 3. Both ends of the screw rod 10 are made square to facilitate the rotation of the screw rod 10. The center line of the square bobbin 4 is perpendicular to the plane of the support frame 1, so as to avoid the influence of the upper cross beam of the support frame 1 on the large deformation of the flat steel plate 15.
The fixed stop block 12 and the middle steel plate 5 are fixed by a plurality of bolts which surround the fixed stop block 12 and are uniformly spaced; adopt between left nut dog 13 and the left lower slider 8.2 to encircle left nut dog 13, a plurality of bolts that the interval is even to fix, adopt between right nut dog 14 and the right lower slider 9.2 to encircle right nut dog 14, a plurality of bolts that the interval is even to fix. When the adjustable screw rod is used, the distance between the left upper slide block 8.1 and the right upper slide block 9.1 is symmetrically adjusted by rotating the screw rod 10 (before adjustment, a left bolt and a right bolt are loosened firstly, and then the left bolt and the right bolt are screwed down), one-side fine adjustment can be carried out on the positions of the left upper slide block 8.1 and the right upper slide block 9.1, namely the bolt between the left nut block 13 or the right nut block 14 and the left lower slide block 8.2 or the right lower slide block 9.2 is loosened, the left nut block 13 or the right nut block 14 is moved to a proper position, and then the left nut block 13 or the right nut block 14 is fixed with the left lower slide block 8.2 or the right lower slide block 9.2, so that the fine adjustment is completed.
The radius of the circular cylindrical surface of the module 2 is determined according to the design requirement, and the radius is generally larger than 200 mm. The central angle of the arc cylindrical surface is determined according to the designed maximum angle of the arc plate, and the requirement of various steel plate arc lengths can be met by generally selecting 150 degrees. The outline dimension of the square bobbin is as follows: 500 mm long, 300 mm wide and 200mm high. The hydraulic jack selects 200 tons of pressure.
Claims (8)
1. A steel plate bending device is characterized by comprising a rectangular supporting frame (1), a module (2), an adjustable module and a hydraulic jack (3); the lower surface of the module (2) is an arc cylindrical surface; the adjustable module comprises a square bobbin (4) which is composed of a top plate, a bottom plate, a left side plate and a right side plate and has a rectangular cross section, a middle steel plate (5) which is vertically fixed between the top plate and the bottom plate is arranged in the middle inside the square bobbin (4), a step hole is formed in the middle steel plate (5), a left long hole (6) and a right long hole (7) which are symmetrically distributed at two sides of the middle steel plate (5) and are along the central line direction of the square bobbin (4) are formed in the top plate of the square bobbin (4), a left bolt (8.3) penetrating through the left long hole (6) connects an upper left sliding block (8.1) positioned on the upper surface of the top plate with a lower left sliding block (8.2) positioned on the lower surface of the top plate, a right bolt (9.3) penetrating through the right long hole (7) connects an upper right sliding block (9.1) positioned on the upper surface of the top plate with a lower right sliding block (9, a raised shaft collar (11) is arranged in the middle, the lead screw (10) simultaneously penetrates through the left lower slide block (8.2), the middle steel plate (5) and the right lower slide block (9.2), one side of the shaft collar (11) in the middle of the lead screw (10) is stopped at a step surface of a step hole on the middle steel plate (5), a fixed stop block (12) which is sleeved on the lead screw (10) and fixed with the middle steel plate (5) is arranged on the other side of the shaft collar (11) in the middle of the lead screw (10), a left nut stop block (13) which is in threaded fit with the left side of the lead screw (10) and fixed with the left lower slide block (8.2) is arranged on one side of the left lower slide block (8.2), and a right nut stop block (14) which is in threaded fit with the right side of the lead screw (10) and fixed with the right; the hydraulic jack (3) is arranged on a lower cross beam of the supporting frame (1), a bottom plate of the square cylinder (4) is positioned on a piston rod of the hydraulic jack (3), the supporting frame (1), the hydraulic jack (3), the adjustable module and a center line of the module (2) coincide in the vertical direction, the distance between the left upper slide block (8.1) and the right upper slide block (9.1) is adjusted by rotating the screw rod (10) to be equal to the chord length of the outer surface of an angle to be bent of a processed flat steel plate (15), the left upper slide block (8.1), the left lower slide block (8.2) and a top plate of the square cylinder (4) are fastened through the left bolt (8.3), and the right upper slide block (9.1), the right lower slide block (9.2) and the top plate of the square cylinder (4) are fastened through the right bolt (9.3); the processed flat steel plate (15) is arranged on the upper surfaces of the upper left sliding block (8.1) and the upper right sliding block (9.1), the module (2) is located above the flat steel plate (15), the symmetrical surface of the arc cylindrical surface of the module (2) is perpendicular to the flat steel plate (15) and is located in the middle of the upper left sliding block (8.1) and the upper right sliding block (9.1), the hydraulic jack (3) moves upwards, and the module (2), the processed flat steel plate (15) and the adjustable module are sequentially clamped between the upper cross beam of the support frame (1) and the hydraulic jack (3).
2. The steel plate bending device according to claim 1, wherein the rectangular supporting frame (1) is formed by welding four H-shaped steels, wherein the left and right vertical H-shaped steels are positioned between the upper and lower H-shaped steels, a reinforcing rib (16) is arranged between the upper and lower plates of the upper and lower H-shaped steels, and the reinforcing rib (16) is positioned in the middle of the upper and lower H-shaped steels and at the joint of the upper and lower H-shaped steels and the left and right vertical H-shaped steels.
3. Steel sheet bending device according to claim 1 or 2, wherein the upper surface of the module (2) is a plane perpendicular to the plane of symmetry of the circular cylindrical surface.
4. The steel plate bending device according to claim 3, wherein the length of the arc cylindrical surface of the module (2) and the lengths of the left upper slider (8.1) and the right upper slider (9.1) are greater than or equal to the width of the flat steel plate (15) to be machined.
5. Steel plate bending device according to claim 4, wherein there are two left (6) and two right (7) slots, respectively, and correspondingly there are two left (8.3) and two right (9.3) bolts, respectively.
6. Steel plate bending device according to claim 5, wherein the lower surface of the bottom plate of the square bobbin (4) is provided with a circular sleeve (17).
7. Steel plate bending device according to claim 6, wherein the two ends of the screw (10) are made square.
8. Steel plate bending device according to claim 7, wherein the module (2) is fixed to the lower surface of the upper crosspiece of the supporting frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921143792.2U CN210816829U (en) | 2019-07-21 | 2019-07-21 | Steel plate bending device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921143792.2U CN210816829U (en) | 2019-07-21 | 2019-07-21 | Steel plate bending device |
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| CN210816829U true CN210816829U (en) | 2020-06-23 |
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| CN201921143792.2U Active CN210816829U (en) | 2019-07-21 | 2019-07-21 | Steel plate bending device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523809A (en) * | 2019-07-21 | 2019-12-03 | 西山煤电(集团)有限责任公司 | Steel plate bending device |
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2019
- 2019-07-21 CN CN201921143792.2U patent/CN210816829U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523809A (en) * | 2019-07-21 | 2019-12-03 | 西山煤电(集团)有限责任公司 | Steel plate bending device |
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