A bending device for steel structure processing

Abstract

The present invention discloses a bending device for steel structure processing, which belongs to the technical field of steel structure processing. A bending device for steel structure processing comprises a base plate, a placement plate is arranged above the base plate, a placement groove is provided through the inner cavity of the placement plate, a bending assembly is arranged on the side of the base plate, a clamping assembly is arranged near the bending assembly on the placement plate, a movable plate is arranged on the side of the base plate near the bending assembly, and a rebound measuring assembly is arranged below the base plate, a pressure measuring assembly is arranged on the side of the rebound measuring assembly, and the movable plate is respectively connected to the rebound measuring assembly and the pressure measuring assembly. The bending device for steel structure processing can bend steel bars to a desired angle, avoid the problem of affecting the subsequent use of steel bars due to rebound after the steel bars are bent, effectively improve the accuracy of the device in bending steel bars, and improve the precision performance of the device.

Description

Technical Field

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

[0002] Steel structure is a structure composed of steel materials and is one of the main types of building structures. Steel structure is prone to rust. Generally, steel structure needs to be rust-proofed, galvanized or painted, and regularly maintained. Steel structure mainly includes steel bars, steel plates, etc. Steel bars are used in many ways in the process of construction. In the process of processing steel bars, it is generally necessary to bend the steel bars. However, after the steel bars are bent, they have the characteristic of elastic deformation, so the steel bars rebound after being bent to the required angle. As a result, in some special construction situations, the bent steel bars are not suitable, which affects the subsequent use of the steel bars. Based on this, the present invention designs a bending device for steel structure processing to solve the above problems. Summary of the invention

[0003] 1. Technical issues to be solved

[0004] The object of the present invention is to provide a bending device for steel structure processing to solve the problems raised in the above-mentioned background technology.

[0005] 2. Technical solution

[0006] A bending device for steel structure processing includes a base plate, a placement plate is arranged above the base plate, a placement groove is penetrated through the inner cavity of the placement plate, a bending assembly is arranged on the side of the base plate, a clamping assembly is arranged near the bending assembly on the placement plate, a movable plate is arranged on the side of the base plate near the bending assembly, and a rebound measurement assembly is arranged below the base plate, a pressure measurement assembly is arranged on the side of the rebound measurement assembly, and the movable plate is respectively connected to the rebound measurement assembly and the pressure measurement assembly.

[0007] Preferably, the bending assembly includes two mounting blocks respectively arranged on both sides of the side of the base plate, a threaded rod 1 is rotatably connected above the mounting block, a pulley 3 is connected to the top of the threaded rod 1, a belt 2 is sleeved between the two pulleys 3, connecting ears are arranged on the outer sides of the two threaded rods 1, the two connecting ears are at the same height, and a bending part is connected between the two connecting ears, and a driving assembly is arranged above the placement plate, and the driving assembly is used to drive the two threaded rods 1 to rotate.

[0008] Preferably, the driving assembly includes a motor arranged above the placement plate, a pulley 1 is connected to the output shaft of the motor, a pulley 2 is arranged at the top end of one of the threaded rods 1, and a belt 1 is sleeved between the pulley 2 and the pulley 1.

[0009] Preferably, the clamping assembly includes an installation groove opened in the inner cavity of the placement plate, and the two ends of the installation groove are rotatably connected with threaded rods 2 respectively, the outer side of the threaded rods 2 is connected to the clamping plate, and the top ends of the two threaded rods 2 are connected to pulleys 4, and a belt 3 is sleeved between the two pulleys 4, and the top end of one of the pulleys 4 is connected to a handle.

[0010] Preferably, the rebound measurement assembly includes a bearing seat 1 arranged below the base plate, the inner cavity of the bearing seat 1 is connected to a fixed sleeve through a bearing, the inner cavity of the fixed sleeve is movably provided with a connecting plate, a spring 1 is arranged on one side of the connecting plate, the two ends of the spring 1 are respectively connected to the fixed sleeve and the connecting plate, and a threaded rod 3 is arranged on the other side of the connecting plate, the threaded rod 3 penetrates the fixed sleeve and is connected to the movable plate, and a ratchet assembly is arranged on the outer side of the fixed sleeve away from one end of the threaded rod 3;

[0011] Preferably, it also includes a mounting seat 1 arranged below the base plate, a dial 1 is arranged on the side of the mounting seat 1 close to the ratchet assembly, a pointer 1 is movably arranged on the side of the dial 1 close to the ratchet assembly, and the pointer 1 is connected to the ratchet assembly.

[0012] Preferably, the ratchet assembly comprises a bearing seat 2 arranged below the base plate, the inner cavity of the bearing seat 2 is provided with a transmission rod through a bearing, one end of the transmission rod is connected to the pointer 1, and the other end of the transmission rod is connected to a ratchet disc, and the inner cavity of the ratchet disc is provided with a stopper;

[0013] Preferably, it also includes a connecting rod connected to the fixed sleeve, the end of the connecting rod away from the fixed sleeve is connected to a mounting plate, a side of the mounting plate away from the connecting rod is provided with a protrusion, the outer side of the protrusion is rotatably connected to a pawl, the inner side of the pawl is provided with a spring sheet, and the spring sheet is connected to the protrusion.

[0014] Preferably, the pressure measurement assembly comprises a second mounting seat arranged below the base plate, the inner cavity of the second mounting seat is penetrated by a movable rod, one end of the movable rod is connected to the movable plate, and a second spring is sleeved on the outer side of the movable rod, the two ends of the second spring are respectively connected to the second mounting seat and the movable plate, and the other end of the movable rod is movably connected to a hinged rod;

[0015] Preferably, it also includes a connecting shaft arranged below the base plate, the bottom of the connecting shaft is rotatably connected to the second dial, a connecting block is arranged on the outer side of the second dial, the connecting block is movably connected to the hinge rod, the outer side of the connecting shaft is located above the second dial and is connected to the second pointer, the second pointer is in contact with the second dial but not connected.

[0016] Preferably, legs are provided below the base plate.

[0017] 3. Beneficial effects

[0018] Compared with the prior art, the advantages of the present invention are:

[0019] 1) In the present invention, by setting a clamping component, when the diameter of the steel bar is smaller than the diameter of the placement groove, the device can clamp the steel bar, thereby preventing the steel bar from being deflected due to the pressure applied by the bending member during the bending process, thereby enabling the device to bend steel bars of different diameters, thereby improving the applicability of the device.

[0020] 2) In the present invention, by setting a rebound measurement component, the device can automatically measure the rebound amount of the steel bar after the steel bar bending work is completed, so that the staff can know the rebound amount of the steel bar and further facilitate the staff to calibrate the steel bar.

[0021] 3) In the present invention, by setting a pressure measuring component, the device can facilitate the staff to know the bending angle of the steel bars during the bending process of the steel bars, thereby facilitating the staff to bend the steel bars to the required angle, thereby improving the accuracy of the device in bending the steel bars.

[0022] 4) In summary, the device can bend the steel bars to the required angle, avoiding the problem of affecting the subsequent use of the steel bars due to rebound after bending, effectively improving the accuracy of the device in bending the steel bars and improving the precision performance of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 For the present invention Figure 1 A magnified view of the structure at center;

[0025] Figure 3 It is a partial cross-sectional view of the support leg structure of the present invention;

[0026] Figure 4 For the present invention Figure 3 A magnified view of the structure at B in the middle;

[0027] Figure 5 It is a schematic diagram of the structure of the rebound measurement assembly of the present invention;

[0028] Figure 6 It is a schematic diagram of the structure of the fixed sleeve of the present invention;

[0029] Figure 7 It is a cross-sectional view of the ratchet disc structure of the present invention;

[0030] Figure 8 It is a schematic diagram of the structure of the pressure measurement component of the present invention.

[0031] Explanation of the numbers in the figure: 1. Base plate; 2. Leg; 3. Placement plate; 4. Placement slot; 5. Bending assembly; 51. Motor; 52. Pulley 1; 53. Belt 1; 54. Pulley 2; 55. Mounting block; 56. Threaded rod 1; 57. Pulley 3; 58. Belt 2; 59. Connecting ear; 510. Bending piece; 6. Clamping assembly; 61. Mounting slot; 62. Threaded rod 2; 63. Clamping plate; 64. Pulley 4; 65. Belt 3; 66. Handle; 7. Movable plate; 8. Rebound measurement assembly; 81. Bearing seat 1; 82. Fixed sleeve; 83, connecting plate; 84, spring one; 85, threaded rod three; 86, connecting rod; 87, mounting plate; 88, bump; 89, pawl; 810, spring; 811, bearing seat two; 812, transmission rod; 813, ratchet plate; 814, stopper; 815, pointer one; 816, mounting seat one; 817, dial one; 9, pressure measuring assembly; 91, mounting seat two; 92, movable rod; 93, spring two; 94, hinged rod; 95, connecting shaft; 96, dial two; 97, connecting block; 98, pointer two. DETAILED DESCRIPTION

[0032] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0033] In the description of the present invention, “plurality” means two or more than two, unless otherwise clearly and specifically defined.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "mounted / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] Example: See Figure 1-8A bending device for steel structure processing includes a base plate 1, a support leg 2 is arranged below the base plate 1, a placement plate 3 is arranged above the base plate 1, a placement groove 4 is opened through the inner cavity of the placement plate 3, a bending component 5 is arranged on the side of the base plate 1, a clamping component 6 is arranged near the bending component 5 of the placement plate 3, a movable plate 7 is arranged on the side of the base plate 1 near the bending component 5, and a rebound measuring component 8 is arranged below the base plate 1, a pressure measuring component 9 is arranged on the side of the rebound measuring component 8, and the movable plate 7 is connected with the rebound measuring component 8 and the pressure measuring component 9 respectively.

[0036] The bending assembly 5 includes two mounting blocks 55 respectively arranged on both sides of the side of the base plate 1, and a threaded rod 56 is rotatably connected to the top of the mounting block 55, and a pulley 3 57 is connected to the top of the threaded rod 56, and a belt 2 58 is sleeved between the two pulleys 3 57. Connecting ears 59 are arranged on the outer sides of the two threaded rods 56, and the two connecting ears 59 are at the same height, and a bending piece 510 is connected between the two connecting ears 59. A driving assembly is arranged above the placement plate 3, and the driving assembly is used to drive the two threaded rods 56 to rotate. The driving assembly includes a motor 51 arranged above the placement plate 3, and a pulley 52 is connected to the output shaft of the motor 51, and a pulley 2 54 is arranged on the top of one of the threaded rods 56, and a belt 1 53 is sleeved between the pulley 2 54 and the pulley 1 52.

[0037] Specifically, when the motor 51 is controlled to work, the motor 51 will drive the pulley 1 52 fixedly connected to its output shaft to rotate. Since the pulley 1 52 is connected to the pulley 2 54 through the belt 1 53, the pulley 1 52 will drive the pulley 2 54 to rotate when it rotates, and the pulley 2 54 will drive the pulley 3 57 fixedly connected to it to rotate when it rotates, so that the pulley 3 57 drives another pulley 3 57 to rotate through the belt 2 58, and the pulley 3 57 will drive the threaded rod 1 56 fixedly connected to it to rotate when it rotates, so that the connecting ear 59 drives the bending piece 510 fixedly connected to it to move downward along the axis of the threaded rod 1 56, thereby bending the steel bar placed in the inner cavity of the groove 4.

[0038] The clamping assembly 6 includes a mounting groove 61 opened in the inner cavity of the placement plate 3, and the two ends of the mounting groove 61 are rotatably connected with threaded rods 62 respectively, the outer side of the threaded rods 62 is connected with a clamping plate 63, and the top ends of the two threaded rods 62 are connected with pulleys 64, and a belt 65 is sleeved between the two pulleys 64, and the top end of one of the pulleys 64 is connected with a handle 66.

[0039] Specifically, when the diameter of the steel bar is smaller than the diameter of the placement groove 4, the handle 66 is rotated so that the handle 66 drives the pulley four 64 fixedly connected thereto to rotate. When the pulley four 64 rotates, it drives another pulley four 64 to rotate through the belt three 65. The two pulley four 64 will drive the two threaded rods two 62 to rotate in the same direction. At this time, since the clamping plate 63 is threadedly connected to the two threaded rods two 62, when the threaded rod two 62 rotates, the pulley four 64 will move up and down along the axis of the threaded rod two 62, thereby compressing the steel bar in the inner cavity of the placement groove 4, thereby preventing the steel bar from being offset due to the pressure applied by the bending member 510 during the bending process.

[0040] By setting the clamping component 6, when the diameter of the steel bar is smaller than the diameter of the placement groove 4, the device can clamp the steel bar, thereby preventing the steel bar from deviating due to the pressure applied by the bending member 510 during the bending process, thereby enabling the device to bend steel bars of different diameters, thereby improving the applicability of the device.

[0041] The rebound measuring assembly 8 includes a bearing seat 81 arranged below the base plate 1, the inner cavity of the bearing seat 81 is connected to a fixed sleeve 82 through a bearing, the inner cavity of the fixed sleeve 82 is movably provided with a connecting plate 83, a spring 84 is arranged on one side of the connecting plate 83, the two ends of the spring 84 are respectively connected to the fixed sleeve 82 and the connecting plate 83, and a threaded rod 3 85 is arranged on the other side of the connecting plate 83, the threaded rod 3 85 penetrates the fixed sleeve 82 and is connected to the movable plate 7, a ratchet assembly is arranged on the outer side of the fixed sleeve 82 away from one end of the threaded rod 3 85, and also includes a mounting seat 816 arranged below the base plate 1, a dial 817 is arranged on the side of the mounting seat 816 close to the ratchet assembly, and the dial 817 is movably arranged on the side close to the ratchet assembly. A pointer 815 is dynamically provided, and the pointer 815 is connected to the ratchet assembly. The ratchet assembly includes a bearing seat 811 arranged below the base plate 1, and the inner cavity of the bearing seat 811 is provided with a transmission rod 812 through a bearing, one end of the transmission rod 812 is connected to the pointer 815, and the other end of the transmission rod 812 is connected to a ratchet disk 813, and the inner cavity of the ratchet disk 813 is provided with a stopper 814, and also includes a connecting rod 86 connected to the fixed sleeve 82, and the end of the connecting rod 86 away from the fixed sleeve 82 is connected to a mounting plate 87, and a protrusion 88 is provided on the side of the mounting plate 87 away from the connecting rod 86, and the outer side of the protrusion 88 is rotatably connected to a pawl 89, and the inner side of the pawl 89 is provided with a spring piece 810, and the spring piece 810 is connected to the protrusion 88.

[0042] Specifically, during the bending process of the steel bar, the steel bar bends downward, which causes it to contact with the movable plate 7 and exert pressure on the movable plate 7. The movable plate 7 is pushed toward the side of the base plate 1 by the pressure of the steel bar. Since the threaded rod 3 85 is threadedly connected to the fixed sleeve 82, and the fixed sleeve 82 is connected to the bearing seat 1 81 through a bearing, the threaded rod 3 85 drives the fixed sleeve 82 to rotate clockwise during the movement, and the spring 1 84 in the inner cavity of the fixed sleeve 82 is gradually compressed. During the rotation of the fixed sleeve 82, the connecting rod 86 is driven to rotate, so that the connecting rod 86 drives the mounting plate 87 to rotate, and the mounting plate 87 drives the protrusion 88 and the pawl 89 to rotate synchronously. Due to the limitation of the pawl 89 provided by the stopper 814 on the inner wall of the ratchet disk 813, the pawl 89 is rotated. During the movement, the spring piece 810 fixedly connected to it will be squeezed, and the pawl 89 will not drive the ratchet disk 813 to rotate. When the bending is completed, the steel bar moves away from the movable plate 7 due to rebound, so that the pressure received by the movable plate 7 disappears. At this time, the spring 84 in the inner cavity of the fixed sleeve 82 will push the threaded rod 3 85 outward, so that the fixed sleeve 82 rotates counterclockwise, so that the connecting rod 86 drives the mounting plate 87 to rotate counterclockwise. When the mounting plate 87 rotates counterclockwise, the pawl 89 will engage with the stopper 814, thereby driving the ratchet disk 813 to rotate together. At this time, the ratchet disk 813 will actively drive the pointer 815 through the transmission rod 812, so that the end of the pointer 815 and the dial 817 are misaligned. At this time, the degree indicated by the pointer 815 is the degree of the steel bar rebound.

[0043] By setting up the rebound measuring component 8, the device can automatically measure the rebound amount of the steel bar after the steel bar bending work is completed, so that the staff can know the rebound amount of the steel bar, and then the staff can calibrate the steel bar, thereby improving the accuracy of the device when bending the steel bar.

[0044] The pressure measuring assembly 9 includes a mounting seat 91 disposed below the substrate 1, and a movable rod 92 is connected to the inner cavity of the mounting seat 91, one end of the movable rod 92 is connected to the movable plate 7, and a spring 93 is sleeved on the outer side of the movable rod 92, and the two ends of the spring 93 are respectively connected to the mounting seat 91 and the movable plate 7, and the other end of the movable rod 92 is movably connected to a hinged rod 94, and also includes a connecting shaft 95 disposed below the substrate 1, and the bottom of the connecting shaft 95 is rotatably connected to a dial 96, and a connecting block 97 is provided on the outer side of the dial 96, and the connecting block 97 is movably connected to the hinged rod 94, and the outer side of the connecting shaft 95 is located above the dial 96 and is connected to a pointer 98, and the pointer 98 is in contact with the dial 96 but not connected.

[0045] Specifically, during the bending process of the steel bar, the movable plate 7 is subjected to the pressure of the steel bar and will simultaneously push the movable rod 92 toward the side of the base plate 1, so that the movable rod 92 slides in the inner cavity of the mounting seat 2 91, so that the distance between the movable rod 92 and the mounting seat 2 91 and the movable plate 7 is extended. During the movement of the movable rod 92, the hinged rod 94 is driven to move. Since the hinged rod 94 is fixed to the connecting block 97, the hinged rod 94 drives the connecting block 97 to move, so that the connecting block 97 drives the dial 2 96 to rotate along the axis of the connecting shaft 95. At this time, the dial 2 96 and the pointer 2 98 are misaligned, and the reading of the dial 2 96 is the bending reading when the steel bar is bent.

[0046] By setting the pressure measuring component 9, the device can facilitate the staff to know the bending angle of the steel bar during the bending process, thereby facilitating the staff to bend the steel bar to the required angle, thereby improving the accuracy of the device in bending the steel bar.

[0047] Working principle of the present invention:

[0048] First, insert the steel bar into the placement groove 4 in the inner cavity of the placement plate 3;

[0049] When the diameter of the steel bar is smaller than the diameter of the placement groove 4, the handle 66 is rotated so that the handle 66 drives the pulley 4 64 fixedly connected thereto to rotate. When the pulley 4 64 rotates, it drives another pulley 4 64 to rotate through the belt 3 65. The two pulleys 4 64 drive the two threaded rods 2 62 to rotate in the same direction. At this time, since the pressing plate 63 is threadedly connected to the two threaded rods 2 62, when the threaded rods 2 62 rotate, the pulley 4 64 moves up and down along the axis of the threaded rods 2 62, thereby pressing the steel bar in the inner cavity of the placement groove 4, thereby preventing the steel bar from being deflected due to the pressure applied by the bending member 510 during the bending process.

[0050] Then the motor 51 is controlled to work, and the motor 51 will drive the pulley 1 52 fixedly connected to its output shaft to rotate. Since the pulley 1 52 is connected to the pulley 2 54 through the belt 1 53, the pulley 1 52 will drive the pulley 2 54 to rotate when it rotates, and the pulley 2 54 will drive the pulley 3 57 fixedly connected to it to rotate when it rotates, so that the pulley 3 57 drives another pulley 3 57 to rotate through the belt 2 58, and the pulley 3 57 will drive the threaded rod 1 56 fixedly connected to it to rotate when it rotates, so that the connecting ear 59 drives the bending piece 510 fixedly connected to it to move downward along the axis of the threaded rod 1 56, so as to apply a bending force to the steel bar placed in the inner cavity of the slot 4;

[0051] During the bending process of the steel bar, the movable plate 7 is pressed by the steel bar and pushes the movable rod 92 toward the side of the base plate 1, so that the movable rod 92 slides in the inner cavity of the second mounting seat 91, so that the distance between the movable rod 92 and the side of the second mounting seat 91 away from the movable plate 7 is extended. During the movement of the movable rod 92, the hinged rod 94 is driven to move. Since the hinged rod 94 is fixed to the connecting block 97, the hinged rod 94 drives the connecting block 97 to move, so that the connecting block 97 drives the second dial 96 to rotate along the axis of the connecting shaft 95. At this time, the second dial 96 and the second pointer 98 are misaligned, and the reading of the second dial 96 is the bending reading when the steel bar is bent.

[0052] The movable plate 7 is subjected to the pressure of the steel bar and pushes the threaded rod 3 85 toward the side of the base plate 1. Since the threaded rod 3 85 is threadedly connected to the fixed sleeve 82, and the fixed sleeve 82 is connected to the bearing seat 1 81 through the bearing, the threaded rod 3 85 will drive the fixed sleeve 82 to rotate clockwise during the movement, and the spring 1 84 in the inner cavity of the fixed sleeve 82 will be gradually compressed. During the rotation of the fixed sleeve 82, the connecting rod 86 will be driven to rotate, so that the connecting rod 86 drives the mounting plate 87 to rotate, and the mounting plate 87 drives the protrusion 88 and the pawl 89 to rotate synchronously. Due to the limitation of the pawl 89 provided by the stopper 814 on the inner wall of the ratchet disk 813, the pawl 89 will squeeze the spring piece 810 fixedly connected to it during the rotation. When the pawl 89 is turned, the ratchet disc 813 will not rotate. When the bending is completed, the steel bar moves away from the movable plate 7 due to rebound, so that the pressure received by the movable plate 7 disappears. At this time, the spring 84 in the inner cavity of the fixed sleeve 82 will push the threaded rod 85 outward, so that the fixed sleeve 82 rotates counterclockwise, so that the connecting rod 86 drives the mounting plate 87 to rotate counterclockwise. When the mounting plate 87 rotates counterclockwise, the pawl 89 will mesh with the stopper 814, thereby driving the ratchet disc 813 to rotate together. At this time, the ratchet disc 813 will actively drive the pointer 815 through the transmission rod 812, so that the end of the pointer 815 and the scale disc 817 are misaligned. At this time, the degree indicated by the pointer 815 is the degree of the steel bar rebound.

[0053] The working time of the motor 51 is gradually increased. When the steel bar rebounds and the reading of the dial 1 817 is 0, the reading of the dial 2 96 is recorded as A°, which is the maximum elastic deformation of the steel bar. Then the motor 51 is controlled to work again to bend the steel bar to the required angle. Taking 90° as an example, after the bending is completed, the steel bar rebounds due to its own properties, and the rebound reading of the pointer 1 815 is recorded as B1°. At this time, the bending angle of the steel bar is (90+B1)°. Then the motor 51 is controlled to work again, so that the reading of the dial 2 96 is B1°. At this time, the steel bar rebounds by B2°, that is, the pointer The reading of pointer 815 is B2°. Since the second bending angle is smaller than the first bending angle, it can be concluded that A﹤B1°﹤B2°. At this time, the motor 51 is controlled to work so that the reading of dial 2 96 is B2°. This is repeated n times. At this time, the reading of pointer 815 is Bn°. The motor 51 is controlled to work again so that the reading of dial 2 96 is Bn°. At this time, the reading of pointer 815 is (Bn+1)°. When (Bn+1)° is equal to Bn°, at this time, since Bn°≦A°, that is, the force applied by the bending member 510 is less than Bn°≦A, the steel bar will not undergo plastic deformation.

[0054] At this time, the motor 51 is controlled to work and the steel bar is bent to (90-A)°, that is, the reading of the second dial 96 is 2A°, and the steel bar rebounds at C1°. Since the maximum elastic deformation of the steel bar is A, it can be obtained that C1°>A°, and the bending angle of the steel bar is (90-A+C1)°. The motor 51 is controlled to work again and the steel bar is bent to (90-A)°, that is, when the reading of the second dial 96 is (90-A)°, the steel bar rebounds at C2°, and the bending angle of the steel bar is (90-A+C2)°. Repeat n times, so that the steel bar The steel bar rebounds by Cn°, and the bending angle of the steel bar is (90-A+Cn)°. The motor 51 is controlled to work again, so that the reading of the dial 2 96 is Cn°, and the reading of the pointer 1 815 is (Cn+1)°. When (Cn+1)° is equal to Cn°, at this time, since Cn°≦A°, that is, the force applied by the bending member 510 is less than Cn°≦A°, the steel bar will not undergo plastic deformation. At this time, the steel bar rebounds by A°, so that the bending angle of the steel bar is (90-A+A)°, that is, the bending angle of the steel bar is 90°.

[0055] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A bending device for steel structure processing, comprising a base plate (1), Features: A placement plate (3) is arranged above the substrate (1), a placement groove (4) is provided through the inner cavity of the placement plate (3), a bending assembly (5) is arranged on the side of the substrate (1), a clamping assembly (6) is arranged on the placement plate (3) near the bending assembly (5), a movable plate (7) is arranged on the side of the substrate (1) near the bending assembly (5), and a rebound measurement assembly (8) is arranged below the substrate (1), a pressure measurement assembly (9) is arranged on the side of the rebound measurement assembly (8), and the movable plate (7) is connected to the rebound measurement assembly (8) and the pressure measurement assembly (9), respectively; The rebound measurement assembly (8) comprises a bearing seat 1 (81) arranged below the base plate (1); the inner cavity of the bearing seat 1 (81) is connected to a fixed sleeve (82) via a bearing; the inner cavity of the fixed sleeve (82) is movably provided with a connecting plate (83); a spring 1 (84) is arranged on one side of the connecting plate (83); two ends of the spring 1 (84) are respectively connected to the fixed sleeve (82) and the connecting plate (83); a threaded rod 3 (85) is arranged on the other side of the connecting plate (83); the threaded rod 3 (85) passes through the fixed sleeve (82) and is connected to the movable plate (7); a ratchet assembly is arranged on the outer side of the fixed sleeve (82) away from one end of the threaded rod 3 (85); It also includes a mounting seat (816) disposed below the base plate (1), a dial plate (817) being disposed on a side of the mounting seat (816) close to the ratchet assembly, a pointer (815) being movably disposed on a side of the dial plate (817) close to the ratchet assembly, and the pointer (815) being connected to the ratchet assembly; The ratchet assembly comprises a second bearing seat (811) arranged below the base plate (1); a transmission rod (812) is arranged in an inner cavity of the second bearing seat (811) via a bearing; one end of the transmission rod (812) is connected to a first pointer (815); and the other end of the transmission rod (812) is connected to a ratchet disc (813); and a stopper (814) is arranged in the inner cavity of the ratchet disc (813); It also includes a connecting rod (86) connected to the fixed sleeve (82), one end of the connecting rod (86) away from the fixed sleeve (82) is connected to a mounting plate (87), a side of the mounting plate (87) away from the connecting rod (86) is provided with a protrusion (88), the outer side of the protrusion (88) is rotatably connected to a pawl (89), the inner side of the pawl (89) is provided with a spring sheet (810), and the spring sheet (810) is connected to the protrusion (88); The pressure measurement assembly (9) comprises a second mounting seat (91) arranged below the base plate (1), a movable rod (92) passing through the inner cavity of the second mounting seat (91), one end of the movable rod (92) being connected to the movable plate (7), and a second spring (93) being sleeved on the outer side of the movable rod (92), the two ends of the second spring (93) being respectively connected to the second mounting seat (91) and the movable plate (7), and the other end of the movable rod (92) being movably connected to a hinged rod (94); It also comprises a connecting shaft (95) arranged below the base plate (1), the bottom of the connecting shaft (95) being rotatably connected to a second dial (96), a connecting block (97) being arranged outside the second dial (96), the connecting block (97) being movably connected to the hinge rod (94), and a second pointer (98) being connected to the outside of the connecting shaft (95) above the second dial (96), the second pointer (98) being in contact with the second dial (96) but not connected thereto.

2. A bending device for steel structure processing according to claim 1, Features: The bending assembly (5) comprises two mounting blocks (55) respectively arranged on both sides of the side of the base plate (1); a threaded rod (56) is rotatably connected to the top of the mounting block (55); a pulley (57) is connected to the top of the threaded rod (56); a belt (58) is sleeved between the two pulleys (57); connecting ears (59) are arranged on the outer sides of the two threaded rods (56); the two connecting ears (59) are at the same height; and a bending piece (510) is connected between the two connecting ears (59); a driving assembly is arranged above the placement plate (3); the driving assembly is used to drive the two threaded rods (56) to rotate.

3. A bending device for steel structure processing according to claim 2, Features: The driving assembly comprises a motor (51) arranged above the placement plate (3), the output shaft of the motor (51) being connected to a pulley 1 (52), a top end of one of the threaded rods 1 (56) being provided with a pulley 2 (54), and a belt 1 (53) being sleeved between the pulley 2 (54) and the pulley 1 (52).

4. A bending device for steel structure processing according to claim 1, Features: The clamping assembly (6) comprises a mounting groove (61) provided in the inner cavity of the placement plate (3), the two ends of the mounting groove (61) are rotatably connected to threaded rods (62), the outer side of the threaded rods (62) is connected to a clamping plate (63), and the top ends of the two threaded rods (62) are connected to pulleys (64), a belt (65) is sleeved between the two pulleys (64), and a handle (66) is connected to the top end of one of the pulleys (64).

5. A bending device for steel structure processing according to claim 1, Features: Support legs (2) are provided below the base plate (1).

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