Steel bar bending machine

Abstract

The utility model relates to the technical field of steel bar bending, in particular to a steel bar bending machine which comprises a workbench. A supporting part is arranged on the workbench, and an extrusion part and a moving mechanism for driving the extrusion part to slide are arranged on the workbench in a sliding manner; the end, close to the extrusion part, of the supporting part is provided with a supporting face, and the end of the extrusion part corresponds to the supporting face in shape. According to the reinforcing steel bar bending device, the extruding part is pressed on the reinforcing steel bar, the reinforcing steel bar is pressed on the supporting part, so that the bending shape of the reinforcing steel bar corresponds to the supporting surface on the supporting part, the bending shape of the reinforcing steel bar is more accurate, the extruding part and the supporting part can be detached and replaced, and the bending shape and angle of the reinforcing steel bar can be changed.

Description

Technical Field

[0001] The utility model relates to the technical field of steel bar bending, in particular to a steel bar bending machine. Background Art

[0002] Rebar refers to steel used for reinforced concrete and prestressed reinforced concrete. Most of them have a circular cross section. Rebar is straight when it is produced. In order to meet different uses, many fields need to bend the rebar, such as the construction field, track plate production field, etc. In the prior art, the rebar is generally bent by a rebar bending machine.

[0003] The Chinese patent with the announcement number CN113145768A discloses a steel bar bending device, including: a base, a steel bar placing mechanism, a clamping mechanism and a bending mechanism, the steel bar placing mechanism is arranged on the base, the steel bar placing mechanism includes a body and a steel bar placing platform, and the steel bar placing platform is arranged on the mechanism body along the horizontal direction; the clamping device has a slide groove matching the steel bar placing platform, and the clamping device is slidably connected with the steel bar placing platform through the slide groove; the bending device has a telescopic part, and one side perpendicular to the steel bar placing mechanism is used to bend the steel bar into a predetermined angle. The advantage of the present invention is that through the cooperation of the steel bar placing mechanism and the clamping mechanism, steel bars of different diameters can be fixed on the steel bar placing mechanism, so that the bending work of steel bars of different diameters can be better completed; at the same time, through the cooperation of the bending mechanism, the steel bar placing mechanism and the clamping mechanism, multiple steel bars of the same diameter can be bent at one time, thereby improving the construction speed of steel bar bending.

[0004] However, the above technical solution has the following defects: the bending mechanism in the above steel bar bending device bends the steel bar by extrusion, but when the bending mechanism extrudes the steel bar, the shape of the bent part of the steel bar cannot be guaranteed, resulting in poor bending effect of the steel bar and inconvenience in use. Utility Model Content

[0005] The utility model aims to provide a steel bar bending machine in view of the problems existing in the background technology.

[0006] The technical solution of the utility model: a steel bar bending machine comprises a workbench;

[0007] A supporting part is provided on the workbench, and an extrusion part and a moving mechanism for driving the extrusion part to slide are slidably provided on the workbench;

[0008] A supporting surface is provided at one end of the supporting portion close to the extruding portion, and the shape of the end of the extruding portion corresponds to the shape of the supporting surface.

[0009] Preferably, the extrusion portion is provided with two first extrusion surfaces and a second extrusion surface, the two first extrusion surfaces are located on both sides of the second extrusion surface, and the shape of the second extrusion surface corresponds to the shape of the support surface.

[0010] Preferably, the moving mechanism comprises a mounting housing;

[0011] The installation shell is connected to the workbench, a lead screw is rotatably arranged in the installation shell, a drive assembly is arranged in the installation shell, and the drive assembly is connected to the lead screw for transmission;

[0012] A mounting plate is slidably arranged on the workbench, the mounting plate is provided with a mounting block, the mounting block is matched and connected with the lead screw thread, and the extrusion part is connected to the mounting plate.

[0013] Preferably, a mounting groove is provided on the workbench, and the mounting plate is in the mounting groove.

[0014] Preferably, a plurality of fixing bolts a are provided on the extrusion portion, and the fixing bolts a are cooperatively connected with the mounting plate.

[0015] Preferably, a barrier strip is provided on one side of the extrusion portion close to the support portion.

[0016] Preferably, the end surfaces of the extrusion portion and the support portion close to each other are respectively provided with a rubber pad a and a rubber pad b.

[0017] Preferably, a fixing bolt b is provided on the support portion, and the fixing bolt b is cooperatively connected with the workbench.

[0018] Compared with the prior art, the above technical solution of the utility model has the following beneficial technical effects:

[0019] 1. In the utility model, the extrusion part is pressed on the steel bar, and the steel bar is pressed on the supporting part, so that the bending shape of the steel bar corresponds to the supporting surface on the supporting part, and the bending shape of the steel bar is more accurate. The extrusion part and the supporting part can be disassembled and replaced, so that the bending shape and angle of the steel bar can be changed.

[0020] 2. In the utility model, the first extrusion surfaces on both sides are first pressed on both sides of the bending position, and the first extrusion surfaces perform preliminary bending on the steel bars so that the shape of the steel bars gradually approaches the supporting surface. Then the second extrusion surface presses the steel bars against the supporting surface, and the steel bars are bent without being damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The present invention is a stereoscopic diagram of a steel bar bending machine in use.

[0022] Figure 2 The utility model is a three-dimensional diagram of a steel bar bending machine.

[0023] Figure 3 The utility model is a structural schematic diagram of a steel bar bending machine.

[0024] Figure 4 The utility model is a schematic diagram of the structure of a moving mechanism in a steel bar bending machine.

[0025] Figure numerals: 1. workbench; 2. extrusion part; 3. support part; 4. rubber pad a; 5. fixing bolt b; 6. baffle; 7. steel bar; 8. first extrusion surface; 9. fixing bolt a; 10. support surface; 11. rubber pad b; 12. mounting shell; 13. mounting block; 14. lead screw; 15. second extrusion surface; 16. mounting plate; 17. drive assembly; 18. mounting groove. DETAILED DESCRIPTION

[0026] Embodiment 1

[0027] like Figure 1-Figure 4 As shown, a steel bar bending machine proposed in the utility model comprises a workbench 1;

[0028] A support part 3 is provided on the workbench 1, and an extrusion part 2 and a moving mechanism for driving the extrusion part 2 to slide are slidably provided on the workbench 1;

[0029] Furthermore, the support part 3 is provided with a fixing bolt b5, which is connected with the workbench 1 in cooperation with the support part 3, so that the support part 3 is easy to replace and maintain;

[0030] A support surface 10 is provided at one end of the support portion 3 close to the extrusion portion 2, and the shape of the end of the extrusion portion 2 corresponds to the shape of the support surface 10;

[0031] Furthermore, the end surfaces of the extrusion part 2 and the support part 3 close to each other are respectively provided with a rubber pad a4 and a rubber pad b11, which play a role in protecting the surface of the steel bar 7;

[0032] Furthermore, a barrier strip 6 is provided on one side of the extrusion portion 2 close to the support portion 3 to prevent the steel bar 7 from being squeezed out from between the extrusion portion 2 and the support portion 3 during the bending process.

[0033] In the utility model, the steel bar 7 is first placed between the extrusion part 2 and the support part 3, and the bending position is made to correspond to the position of the support part 3. The moving mechanism drives the extrusion part 2 to approach the support part 3, and the extrusion part 2 gradually bends the steel bar 7 and presses the steel bar 7 on the end surface of the support part 3. After the bending is completed, the extrusion part 2 is away from the support part 3, and the steel bar 7 can be taken out; in the utility model, the extrusion part 2 is pressed on the steel bar 7, and the steel bar 7 is pressed on the support part 3, so that the bending shape of the steel bar 7 corresponds to the supporting surface 10 on the support part 3, and the bending shape of the steel bar 7 is more accurate. The extrusion part 2 and the support part 3 can be disassembled and replaced, so that the shape and angle of the bending of the steel bar can be changed.

[0034] Embodiment 2

[0035] like Figure 3-Figure 4As shown, a steel bar bending machine proposed by the utility model, compared with the first embodiment, is provided with two first extrusion surfaces 8 and a second extrusion surface 15 on the extrusion part 2 in this embodiment, the two first extrusion surfaces 8 are located on both sides of the second extrusion surface 15, and the shape of the second extrusion surface 15 corresponds to the shape of the support surface 10.

[0036] In this embodiment, the first extrusion surfaces 8 on both sides are first pressed on both sides of the bending position, and the first extrusion surface 8 performs a preliminary bending on the steel bar 7 so that the shape of the steel bar 7 gradually approaches the support surface 10. Then the second extrusion surface 15 presses the steel bar 7 against the support surface 10, and the bending of the steel bar 7 is completed.

[0037] Embodiment 3

[0038] like Figure 3-Figure 4 As shown, the present invention provides a steel bar bending machine. Compared with the first embodiment, the moving mechanism in this embodiment includes a mounting shell 12;

[0039] The mounting shell 12 is connected to the workbench 1, a lead screw 14 is rotatably arranged in the mounting shell 12, a driving assembly 17 is arranged in the mounting shell 12, and the driving assembly 17 is connected to the lead screw 14 in a transmission manner;

[0040] A mounting plate 16 is slidably provided on the workbench 1 , and a mounting block 13 is provided on the mounting plate 16 . The mounting block 13 is threadedly connected to the lead screw 14 , and the extrusion part 2 is connected to the mounting plate 16 .

[0041] Furthermore, a mounting groove 18 is provided on the workbench 1 , and the mounting plate 16 is in the mounting groove 18 .

[0042] Furthermore, a plurality of fixing bolts a9 are provided on the extrusion portion 2 , and the fixing bolts a9 are connected in cooperation with the mounting plate 16 .

[0043] In this embodiment, the driving assembly 17 drives the screw 14 to rotate, the mounting block 13 moves along the axis of the screw 14, the mounting block 13 drives the mounting plate 16 to slide in the mounting groove 18, and the mounting plate 16 drives the upper extrusion part 2 to gradually approach the support part 3 and bend the steel bar 7.

[0044] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A steel bar bending machine, characterized in that: comprising a workbench (1); A support portion (3) is provided on the workbench (1), and an extrusion portion (2) and a moving mechanism for driving the extrusion portion (2) to slide are slidably provided on the workbench (1); A plurality of fixing bolts a (9) are provided on the extrusion part (2), and the fixing bolts a (9) are connected in cooperation with the moving mechanism; A support surface (10) is provided at one end of the support portion (3) close to the extrusion portion (2), and the shape of the end of the extrusion portion (2) corresponds to the shape of the support surface (10); A fixing bolt b (5) is provided on the supporting part (3), and the fixing bolt b (5) is connected in cooperation with the workbench (1).

2. A steel bar bending machine according to claim 1, characterized in that: The extrusion portion (2) is provided with two first extrusion surfaces (8) and a second extrusion surface (15), the two first extrusion surfaces (8) are located on both sides of the second extrusion surface (15) and are symmetrically distributed, and the shape of the second extrusion surface (15) corresponds to the shape of the support surface (10).

3. A steel bar bending machine according to claim 1, characterized in that: The moving mechanism includes a mounting shell (12); The mounting shell (12) is connected to the workbench (1), a lead screw (14) is rotatably arranged in the mounting shell (12), a driving assembly (17) is arranged in the mounting shell (12), and the driving assembly (17) is connected to the lead screw (14) in a transmission manner; A mounting plate (16) is slidably provided on the workbench (1), a mounting block (13) is provided at the lower end of the mounting plate (16), the mounting block (13) is threadedly connected to the lead screw (14), and the extrusion portion (2) is connected to the upper end of the mounting plate (16).

4. A steel bar bending machine according to claim 3, characterized in that: The workbench (1) is provided with a mounting groove (18), and the mounting plate (16) is in the mounting groove (18).

5. A steel bar bending machine according to claim 1, characterized in that: A blocking strip (6) is provided on one side of the extrusion portion (2) close to the support portion (3).

6. A steel bar bending machine according to claim 1, characterized in that: The end surfaces of the extrusion portion (2) and the support portion (3) that are close to each other are respectively provided with a rubber pad a (4) and a rubber pad b (11).

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