A steel structure bending device

Abstract

The present invention provides a steel structure bending device, including a bending device body, which is characterized in that the bending device body includes a bending cavity, a sliding seat and a mounting seat which are coaxially distributed up and down are arranged in the bending cavity, the sliding seat slides along the height direction of the bending cavity, a first bending die and a second bending die are respectively inserted and installed on the opposite surfaces of the sliding seat and the mounting seat, and both the first bending die and the second bending die can be replaced and inserted into the sliding seat and the mounting seat. In the present invention, by setting the method of exchanging the first bending die and the second bending die up and down, the adjustment of the bending method can be completed, so that the bending device has the advantages of being able to perform both right-angle bending and arc bending, and there is no need to replace different bending equipment for right-angle or arc bending, saving the resources of the bending machine.

Description

Technical Field

[0001] The present invention relates to the technical field of steel structure bending, and particularly to a steel structure bending device. Background Art

[0002] Steel structures are one of the most widely used materials in industry. In building applications of steel structures, local bending is required to build formwork shells. For relatively thick steel structures, it is impossible to bend them manually, so a steel structure bending machine needs to be used.

[0003] At present, there is a steel structure bending device that completes the bending process of steel structures by pressing the upper and lower dies. However, when the existing steel structure bending machines are bending, the bending shapes formed by pressing the upper and lower dies are limited. It is not convenient to perform right-angle bending or arc bending on steel structures with the same bending equipment, resulting in the problem of excessive consumption of bending machine resources due to the limitation of the bending method when performing right-angle bending or arc bending on steel structures. Therefore, this solution specifically proposes a steel structure bending device to solve the above problems. Summary of the Invention

[0004] The main purpose of the present invention is to provide a steel structure bending device, aiming to solve the problem of excessive consumption of bending machine resources due to the limitation of the bending method when performing right-angle bending or arc bending on steel structures.

[0005] To achieve the above object, the technical solution of the present invention is realized as follows: A steel structure bending device includes a bending device body. The bending device body includes a bending cavity. A sliding seat and a mounting seat are arranged coaxially up and down in the bending cavity. The sliding seat moves along the height direction of the bending cavity. Insertion grooves are respectively formed on the opposite surfaces of the sliding seat and the mounting seat, and the sum of the number of insertion grooves on the sliding seat and the mounting seat is at least three.

[0006] It also includes a first bending die and a second bending die arranged up and down. The first bending die and the second bending die can be arbitrarily connected to each of the insertion grooves; by changing the connection positions of the first bending die and the second bending die with each of the insertion grooves, the matching state between the end of the first bending die and the second bending die can be changed.

[0007] The end of the first bending die is arc-shaped, the second bending die is rectangular as a whole, and an arc-shaped pressing groove adapted to the shape of the first bending die is formed at one end of the second bending die corresponding to the first bending die.

[0008] In the arc bending state, the end of the first bending die cooperates with the arc-shaped pressing groove of the second bending die; in the right-angle bending state, the end of the first bending die cooperates with the outer side of the second bending die.

[0009] A pushing mechanism for pushing the sliding seat is also arranged in the bending cavity.

[0010] Furthermore, the second bending die comprises an inserting portion and a bending portion, the inserting portion is plugged into and matched with the inserting groove, and the arc-shaped pressing groove is provided on the bending portion.

[0011] Furthermore, the pushing mechanism includes a mounting cylinder and a sliding push column slidably arranged on the mounting cylinder, the end of the sliding push column extends out of the mounting cylinder and is fixedly connected to the sliding seat, and a hydraulic push rod is arranged on the mounting cylinder to push the sliding push column.

[0012] Furthermore, the hydraulic push rod is connected to the sliding push column through a connecting plate, a telescopic rod is provided on the connecting plate, a top plate is fixed to the end of the telescopic rod, a force meter is also provided on the connecting plate, a connecting spring is provided between the force meter and the top plate, and a top rod is passed through the mounting tube, which is located in the direction where the top plate is away from the hydraulic push rod, and is used to block the top plate;

[0013] The installation tube is provided with a plurality of through-rod holes for the push rod to penetrate along the moving direction of the sliding push column.

[0014] Furthermore, a positioning block engaged with the push rod is arranged in the through rod hole, and the positioning block is an elastic member.

[0015] Furthermore, a mounting plate is provided at a position of the bending device body corresponding to the mounting seat for supporting the steel structure, and a positioning component for positioning the steel structure to a middle position is provided on the mounting plate.

[0016] Furthermore, the positioning assembly includes two alignment plates slidably arranged on the mounting tray, and the two alignment plates are symmetrically distributed relative to the middle position of the mounting tray. A motor is also arranged on the mounting tray, and the motor is respectively connected to the two alignment plates through connecting parts, so as to drive the two alignment plates to move to opposite sides at the same time.

[0017] Furthermore, the connecting component includes a transmission gear cylinder arranged at the motor output shaft and a matching plate fixed on the two alignment plates, the two matching plates are relatively distributed on both sides of the transmission gear cylinder, and the matching plates are provided with tooth grooves that mesh with the transmission gear cylinder.

[0018] The beneficial effects of the present invention are embodied in:

[0019] In the present invention, during use, the first bending die and the second bending die are respectively inserted and installed on the sliding seat and the mounting seat, and the bending treatment of the steel structure is completed by pushing the sliding seat to move. By setting the method of exchanging the first bending die and the second bending die up and down, the adjustment of the bending method can be completed, so that the bending device has the advantages of being able to perform both right-angle bending and arc bending, and there is no need to replace different bending equipment for right-angle or arc bending, saving the resources of the bending machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic structural diagram of the present invention;

[0021] Figure 2 is a cross-sectional view of an embodiment of the present invention;

[0022] Figure 3 is a schematic diagram of the connection method after the first bending die and the second bending die of the present invention are mutually replaced;

[0023] Figure 4 is the present invention Figure 2 an enlarged schematic view of part A shown in;

[0024] Figure 5 is a left-view structural diagram of the installation support plate of the present invention;

[0025] Figure 6 is a structural diagram of the pushing mechanism of the present invention.

[0026] Description of the reference numerals:

[0027] 1. Bending device body; 2. Bending cavity; 21. Sliding seat; 22. Mounting seat; 23. First bending die; 24. Second bending die; 241. Insertion part; 242. Bending part; 25. First insertion groove; 26. Second insertion groove; 31. Installation support plate; 32. Alignment plate; 33. Installation bottom box; 34. Through hole; 35. Link; 36. Matching plate; 37. Motor; 38. Transmission gear cylinder; 4. Pushing mechanism; 41. Installation cylinder; 42. Sliding push column; 43. Hydraulic push rod; 44. Connecting plate; 45. Expansion rod; 46. Top plate; 47. Force measuring device; 48. Connecting spring; 49. Thumb rod; 410. Through rod hole; 411. Positioning block; 412. Pulling ring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] See Figures 1 to 6, the steel structure bending device of the present invention includes a bending device body 1. The bending device body 1 includes a bending cavity 2. Inside the bending cavity 2, a sliding seat 21 and a mounting seat 22 are arranged coaxially up and down. The sliding seat 21 moves along the height direction of the bending cavity 2. Plug-in grooves are respectively formed on the opposite surfaces of the sliding seat 21 and the mounting seat 22. The sum of the number of plug-in grooves on the sliding seat 21 and the mounting seat 22 is at least three. It also includes a first bending die 23 and a second bending die 24 arranged up and down. The first bending die 23 and the second bending die 24 can be arbitrarily connected to each plug-in groove. By changing the connection positions of the first bending die 23 and the second bending die 24 with each plug-in groove, the matching state between the end of the first bending die 23 and the second bending die 24 can be changed. The end of the first bending die 23 is arc-shaped, the second bending die 24 is rectangular as a whole, and an arc-shaped pressing groove adapted to the shape of the first bending die 23 is formed at one end of the second bending die 24 corresponding to the first bending die 23. In the arc bending state, the end of the first bending die 23 and the arc-shaped pressing groove of the second bending die 24 are in bending cooperation. In the right-angle bending state, the end of the first bending die 23 and the outer side of the second bending die 24 are in bending cooperation. A pushing mechanism 4 for pushing the sliding seat 21 is also arranged inside the bending cavity 2.

[0029] In the present invention, by providing a first bending die 23 and a second bending die 24, during use, the first bending die 23 and the second bending die 24 are respectively inserted and installed on a sliding seat 21 and a mounting seat 22. At this time, the first bending die 23 is located below the second bending die 24 and is misaligned with the second bending die 24. The steel structure is located between the first bending die 23 and the second bending die 24. Herein, the sliding seat 21 is pushed upward by a pushing mechanism 4 to complete the bending process of the steel structure. The misaligned first bending die 23 performs a right-angle bending on the steel structure with the second bending die 24. When an arc bending of the steel structure is required, the first bending die 23 and the second bending die 24 can be removed and replaced up and down, so that the first bending die 23 and the second bending die 24 are respectively connected to the mounting seat 22 and the sliding seat 21. At this time, the arc-shaped pressing groove on the second bending die 24 and the end of the first bending die 23 are coaxially distributed up and down. In this case, the steel structure can bend upward without being restricted by the first bending die 23. When the sliding seat 21 is pushed upward by the pushing mechanism 4, the first bending die 23 is inserted into the arc-shaped pressing groove on the second bending die 24 and performs an arc bending on the steel structure located between the first bending die 23 and the second bending die 24, thereby completing the switching process of the bending method. This bending device performs a transformation of right-angle bending by replacing the first bending die 23 and the second bending die 24 up and down, so that the first bending die 23 can cooperate with the edge of the second bending die 24 to perform a right-angle bending on the steel structure. Compared with squeezing the steel structure against the end of the first bending die 23, since the end of the first bending die 23 is arc-shaped, when cooperating with the edge of the second bending die 24 to perform a right-angle bending on the steel structure, the arc range at the bending position can be relatively small, increasing the effect of right-angle bending. By providing a method of exchanging the first bending die 23 and the second bending die 24 up and down, the adjustment of the bending method can be completed, enabling this bending device to have the advantages of being able to perform both right-angle bending and arc bending, without the need to replace different bending devices for right-angle or arc bending, saving the resources of the bending machine.

[0030] In one embodiment, the second bending die 24 includes a plug-in portion 241 and a bending portion 242. The plug-in portion 241 is in plug-in fit with the plug-in slot, and the arc-shaped pressing groove is formed on the bending portion 242.

[0031] Preferably, the plug-in portion 241 and the bending portion 242 are staggeredly distributed along the length direction of the mounting seat 22. At least one first plug-in slot 25 is formed on the mounting seat 22, and at least two second plug-in slots 26 are formed on the sliding seat 21. Both the first plug-in slot 25 and the second plug-in slot 26 are used for inserting the first bending die 23 or the second bending die 24.

[0032] In specific implementation, the first bending die 23 is inserted into a second insertion slot 26, and the second bending die 24 is inserted into the first insertion slot 25. At this time, a right-angle bending can be performed by pushing the first bending die 23 to move upward. When it is necessary to adjust to an arc bending, the first bending die 23 and the second bending die 24 can be removed and replaced up and down so that the second bending die 24 is inserted into another second insertion slot 26, and the first bending die 23 is inserted into the first insertion slot 25. Due to the dislocation effect of the insertion part 241 and the bending part 242, the arc-shaped pressing groove on the bending part 242 can be aligned with the first bending die 23. When the second bending die 24 is pushed to move upward, the first bending die 23 is inserted into the arc-shaped pressing groove, and an arc bending can be performed on the steel structure.

[0033] Preferably, both the first bending die 23 and the second bending die 24 are installed on the sliding seat 21 or the mounting seat 22 through bolts. With such a design, by means of bolt connection, it is convenient to disassemble the first bending die 23 and the second bending die 24.

[0034] In an embodiment, the pushing mechanism 4 includes an installation cylinder 41 and a sliding push column 42 slidably disposed on the installation cylinder 41. The end of the sliding push column 42 extends out of the installation cylinder 41 and is fixedly connected to the sliding seat 21. A hydraulic push rod 43 for pushing the sliding push column 42 is disposed on the installation cylinder 41.

[0035] In specific implementation, the hydraulic push rod 43 completes the position adjustment of the sliding seat 21 by pushing the sliding push column 42 to move up and down.

[0036] In one embodiment, the hydraulic push rod 43 is connected to the sliding push column 42 through a connecting plate 44. An expansion rod 45 is provided on the connecting plate 44. A top plate 46 is fixed to the end of the expansion rod 45. A force measuring device 47 is also provided on the connecting plate 44. A connecting spring 48 is provided between the force measuring device 47 and the top plate 46. A push rod 49 is inserted through the mounting cylinder 41, in the direction away from the hydraulic push rod 43 of the top plate 46, for blocking the top plate 46. A plurality of through rod holes 410 for the push rod 49 to penetrate are provided on the mounting cylinder 41 along the moving direction of the sliding push column 42. With such a design, when the sliding push column 42 is pushed by the hydraulic push rod 43, the connecting plate 44 will be driven to move together. The connecting plate 44 drives the top plate 46 to move upward through the connecting spring 48. When the top plate 46 contacts the push rod 49, the top plate 46 cannot move upward under the action of the push rod 49 and begins to compress the connecting spring 48. The pressure exerted by the connecting spring 48 on the force measuring device 47 gradually increases. Under the action of the expansion rod 45, the compression path of the connecting spring 48 can be stabilized. When the pressure detected by the force measuring device 47 reaches the ideal value, the hydraulic push rod 43 stops extending, and the sliding seat 21 slides to the ideal height, facilitating the limitation of the sliding distance of the sliding seat 21. By providing a plurality of through rod holes 410 on the mounting cylinder 41 for the push rod 49 to penetrate, the position of the push rod 49 can be adjusted. At the same time, since the position of the push rod 49 is restricted by the position of the through rod holes 410, it is convenient for the user to quickly adjust the extension length of the hydraulic push rod 43 by inserting the push rod 49 from several positions, facilitating the user to adjust the moving distance of the sliding seat 21 according to the length extending out of the bending die, so that it can better perform the bending treatment on the steel structure.

[0037] It should be noted that the force measuring device 47 is electrically connected to the hydraulic push rod 43 through a controller. When the pressure detected by the force measuring device 47 reaches the ideal value, the controller controls the hydraulic push rod 43 to stop extending.

[0038] In one embodiment, a positioning block 411 that is clamped with the push rod 49 is provided in the through rod hole 410. The positioning block 411 is an elastic member. With such a design, when the push rod 49 is inserted into the through rod hole 410, the positioning block 411 is clamped with the push rod 49, thereby completing the clamping and positioning process of the push rod 49, and preventing the push rod 49 from accidentally disengaging from the through rod hole 410.

[0039] Preferably, the positioning block 411 can be an arc-shaped clamping ball.

[0040] Preferably, a pull ring 412 is provided at the end position of the push rod 49. By providing the pull ring 412, it is convenient to adjust the position of the push rod 49.

[0041] In one embodiment, an installation support plate 31 is further provided at the position of the corresponding mounting seat 22 of the bending device body 1 for supporting the steel structure. A positioning component for positioning the steel structure to the middle position is provided on the installation support plate 31.

[0042] In a specific implementation, the steel structure is placed on the mounting plate 31 for bending. The steel structure is positioned at the middle by a positioning assembly, thereby preventing the steel structure from tilting when being bent, thereby affecting the bending result.

[0043] In one embodiment, the positioning assembly includes two alignment plates 32 slidably disposed on the mounting bracket 31, the two alignment plates 32 are symmetrically distributed relative to the middle position of the mounting bracket 31, and a motor 37 is also disposed on the mounting bracket 31, the motor 37 is respectively connected to the two alignment plates 32 through a connecting component, and is used to drive the two alignment plates 32 to move to opposite sides at the same time. With such a design, when it is necessary to adjust the steel structure to the middle position, the motor 37 can be started, and at this time, the motor 37 drives the two alignment plates 32 to move to opposite sides at the same time through the connecting component. Since the two alignment plates 32 are symmetrically distributed relative to the middle position of the mounting bracket 31, when the two alignment plates 32 move, the steel structure can be moved to the middle position by extrusion displacement.

[0044] In one embodiment, the connecting component includes a transmission gear cylinder 38 disposed at the output shaft of the motor 37 and a matching plate 36 fixed on two alignment plates 32. The two matching plates 36 are relatively distributed on both sides of the transmission gear cylinder 38, and the matching plates 36 are provided with tooth grooves that mesh with the transmission gear cylinder 38. With this design, when the motor 37 is started, the motor 37 drives the transmission gear cylinder 38 to rotate, and the transmission gear cylinder 38, through meshing, causes the two matching plates 36 to simultaneously drive the alignment plates 32 to move to opposite sides, thereby completing the position adjustment of the alignment plates 32.

[0045] Preferably, a mounting bottom box 33 can be fixed below the mounting tray 31, a motor 37 is arranged on the mounting bottom box 33, two matching plates 36 are both located inside the mounting bottom box 33, the alignment plate 32 is connected to the matching plate 36 through a connecting rod 35, and through holes 34 for the connecting rods 35 to pass through are provided on the mounting bottom box 33 and the mounting tray 31, and the two connecting rods 35 can only slide to opposite sides along the through holes 34.

[0046] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, 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 steel structure bending device, comprising a bending device body (1). Characterized in that, The bending device body (1) includes a bending cavity (2), and a sliding seat (21) and a mounting seat (22) which are coaxially distributed up and down are arranged in the bending cavity (2). The sliding seat (21) moves along the height direction of the bending cavity (2). Insertion grooves are respectively formed on the opposite surfaces of the sliding seat (21) and the mounting seat (22), and the sum of the number of insertion grooves on the sliding seat (21) and the mounting seat (22) is at least three; It also includes a first bending die (23) and a second bending die (24) arranged up and down. The first bending die (23) and the second bending die (24) can be arbitrarily connected to each of the insertion grooves; by changing the connection positions of the first bending die (23) and the second bending die (24) with each of the insertion grooves, the matching state between the end of the first bending die (23) and the second bending die (24) can be changed; The end of the first bending die (23) is arc-shaped, the second bending die (24) is rectangular as a whole, and an arc-shaped pressing groove adapted to the shape of the first bending die (23) is formed at one end of the second bending die (24) corresponding to the first bending die (23); In the arc bending state, the end of the first bending die (23) bends and cooperates with the arc-shaped pressing groove of the second bending die (24); in the right-angle bending state, the end of the first bending die (23) bends and cooperates with the outer side of the second bending die (24); A pushing mechanism (4) for pushing the sliding seat (21) is further arranged in the bending cavity (2).

2. The steel structure bending device according to claim 1, Characterized in that, The second bending die (24) includes an insertion part (241) and a bending part (242). The insertion part (241) is in insertion fit with the insertion groove, and the arc-shaped pressing groove is formed on the bending part (242).

3. The steel structure bending device according to claim 1, Characterized in that, The pushing mechanism (4) includes an installation cylinder (41) and a sliding push column (42) slidably arranged on the installation cylinder (41). The end of the sliding push column (42) extends out of the installation cylinder (41) and is fixedly connected to the sliding seat (21), and a hydraulic push rod (43) for pushing the sliding push column (42) is arranged on the installation cylinder (41).

4. The steel structure bending device according to claim 3, Characterized in that, The hydraulic push rod (43) is connected to the sliding push column (42) through a connecting plate (44). A telescopic rod (45) is arranged on the connecting plate (44), a top plate (46) is fixed at the end of the telescopic rod (45), a force measuring device (47) is further arranged on the connecting plate (44), a connecting spring (48) is arranged between the force measuring device (47) and the top plate (46), and a top rod (49) is arranged through the installation cylinder (41) in the direction away from the hydraulic push rod (43) of the top plate (46) for blocking the top plate (46); The installation cylinder (41) is provided with a plurality of through rod holes (410) for the ejector rod (49) to penetrate along the moving direction of the sliding push column (42).

5. The steel structure bending device according to claim 4, characterized in that, a positioning block (411) clamped with the ejector rod (49) is arranged in the through rod hole (410), and the positioning block (411) is an elastic member.

6. The steel structure bending device according to claim 1, characterized in that, an installation support plate (31) is further arranged at the position of the bending device body (1) corresponding to the installation seat (22) for supporting the steel structure, and a positioning component for positioning the steel structure to the middle position is arranged on the installation support plate (31).

7. The steel structure bending device according to claim 6, characterized in that, the positioning component comprises two alignment plates (32) slidably arranged on the installation support plate (31), the two alignment plates (32) are symmetrically distributed relative to the middle position of the installation support plate (31), and a motor (37) is further arranged on the installation support plate (31), and the motor (37) is respectively connected with the two alignment plates (32) through connecting components for driving the two alignment plates (32) to move towards the opposite sides simultaneously.

8. The steel structure bending device according to claim 7, characterized in that, the connecting components comprise a transmission gear cylinder (38) arranged at the output shaft of the motor (37) and a matching plate (36) fixed on the two alignment plates (32), the two matching plates (36) are relatively distributed on both sides of the transmission gear cylinder (38), and a tooth groove meshed with the transmission gear cylinder (38) is arranged on the matching plate (36).

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