Simple steel bar bending device

Abstract

The utility model discloses a simple reinforcing steel bar bending device, which belongs to the technical field of bending devices and comprises a U-shaped base and a bending mechanism, a support wheel is rotatably mounted on the inner side of the rear portion of the U-shaped base, a support is arranged on the upper portion of the front side of the U-shaped base, a support shaft is fixed on the support, the bending mechanism is rotatably mounted on the support shaft, and the bending mechanism is fixed on the U-shaped base. The steel bar bending machine is characterized in that the bending mechanism comprises a bending wheel arranged on the supporting shaft in a sleeving mode and a handle assembly, the bending wheel is detachably connected with the handle assembly, and a steel bar pressing mechanism is fixed to the bottom of the bending wheel. The simple steel bar bending device is simple in structure and can meet the bending requirements of steel bars with various diameters; and by adjusting the relative position of the handle assembly and the bending wheel, the steel bar 10 can be bent at various bending angles.

Description

Technical Field

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

[0002] Steel bars are common materials in construction sites. Before use, their ends often need to be bent. Although existing hydraulic and electric bending machines can achieve bending, they have the following problems:

[0003] First, the structure is complex and the operation is restricted. It cannot meet the needs of various types of steel bars, and the bending angle cannot be adjusted. Secondly, the existing bending equipment cannot be used to bend the very end of the steel bar. The excess end needs to be cut off after bending, which is time-consuming, labor-intensive and costly. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a simple steel bar bending device.

[0005] The specific technical solutions provided by the utility model are as follows:

[0006] The utility model provides a simple steel bar bending device, comprising a U-shaped base and a bending mechanism, a support wheel is rotatably installed on the inner side of the rear part of the U-shaped base, a bracket is provided on the upper front side of the U-shaped base, a support shaft is fixed on the bracket, and the bending mechanism is rotatably installed on the support shaft. The improvement lies in that the bending mechanism comprises a bending wheel and a handle assembly sleeved on the support shaft, the bending wheel and the handle assembly are detachably connected, and a steel bar pressing mechanism is fixed on the bottom of the bending wheel.

[0007] Preferably, the bending wheel includes a wheel body, a plurality of positioning through holes are evenly distributed on the side of the wheel body, a plurality of arc grooves with different radii are opened circumferentially of the wheel body, and a groove is opened at the bottom of the wheel body, and a steel bar clamping mechanism is fixed at the bottom of the groove through the mounting hole.

[0008] Preferably, the steel bar clamping mechanism includes an upper clamping block fixed in a groove at the bottom of the wheel body and a lower clamping block slidably connected to the upper clamping block, the upper clamping block is provided with a plurality of upper arc grooves with different radii at the bottom, the lower clamping block is provided with a lower arc groove which corresponds to the arc groove of the clamping block one by one and has the same radius, and the radius of the arc groove of the wheel body is the same as the radius of the corresponding upper arc groove on the clamping block.

[0009] Preferably, ear plates are provided on both sides of the upper clamping block, and sliding grooves are provided on both sides of the lower clamping block. The ear plates are slidably connected to the sliding grooves. A plurality of fastening screws corresponding to the lower arc grooves are installed at the bottom of the lower clamping block, and the fastening screws pass through the lower arc grooves.

[0010] Preferably, the handle assembly comprises a plate body sleeved on the support shaft, a handle is fixed on the plate body, a pin hole is provided on the lower side of the plate body, a pin shaft is installed in the pin hole, and the pin shaft passes through the positioning through hole.

[0011] Preferably, the number of the supporting wheels is at least two, and the circumference of the supporting wheels is provided with an annular supporting groove corresponding to the arc-shaped groove of the wheel body.

[0012] Compared with the prior art, the present invention has at least the following beneficial effects:

[0013] (1) The simple steel bar bending device of the utility model has a simple structure and can meet the bending requirements of steel bars of various diameters; and by adjusting the relative position of the handle assembly and the bending wheel, the steel bar 10 can be bent at various bending angles.

[0014] (2) The upper clamping block of the utility model is slidably connected to the lower clamping block. After the bending is completed, the fastening screw is loosened, and the lower clamping block is slid upward to separate it from the end of the steel bar, so that the steel bar can be quickly removed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the bending mechanism in the utility model;

[0018] Figure 3 for Figure 2 The enlarged structural diagram at A in the middle;

[0019] Figure 4 This is a schematic diagram of the structure of the bending wheel in the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the lower pressing block in the utility model;

[0021] Figure 6 This is a schematic diagram of the initial working state of the utility model;

[0022] Figure 7 It is a schematic diagram of the working state of the utility model after bending.

[0023] In the figure, 1. U-shaped base; 2. support wheel; 3. support shaft; 4. handle assembly; 41. plate body; 42. handle; 43. pin shaft; 5. bracket; 6. bending wheel; 61. wheel body; 62. positioning through hole; 63. mounting hole; 7. upper clamping block; 71. ear plate; 8. lower clamping block; 81. slide groove; 82. fastening screw; 10. steel bar. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The following will be combined Figure 1 to Figure 7 A simple steel bar bending device according to an embodiment of the utility model is described in detail.

[0026] like Figure 1 As shown, a simple steel bar bending device includes a U-shaped base 1 and a bending mechanism, a support wheel 2 is rotatably installed on the inner side of the rear portion of the U-shaped base 1, and a bracket 5 is provided on the upper front portion of the U-shaped base 1, a support shaft 3 is fixed on the bracket 5, and the bending mechanism is rotatably installed on the support shaft 3.

[0027] Specifically, the bending mechanism includes a bending wheel 6 and a handle assembly 4 which are sleeved on the support shaft 3 . The bending wheel 6 is detachably connected to the handle assembly 4 , and a steel bar pressing mechanism is fixed to the bottom of the bending wheel 6 .

[0028] like Figure 4 As shown, the bending wheel 6 specifically includes a wheel body 61, a plurality of positioning through holes 62 are evenly distributed on the side of the wheel body, a plurality of arc grooves with different radii are circumferentially opened on the wheel body 61, and a groove is opened at the bottom of the wheel body, and a steel bar clamping mechanism is fixed at the bottom of the groove through an installation hole 63.

[0029] like Figure 6 and Figure 7 As shown, the working principle of the above structure is: when bending, the steel bar pressing mechanism is located at the lowest end of the bending mechanism, the steel bar 10 is placed on the supporting wheel 2, the arc groove on the wheel body 61 is selected according to the diameter of different steel bars 10, the steel bar 10 is pushed forward so that one section is inserted into the steel bar pressing mechanism for fixing, and the handle assembly 4 is turned downward to a horizontal position (such as Figure 7 As shown), the bending wheel 6 is driven to rotate to bend the steel bar.

[0030] like Figure 2As shown, the steel bar pressing mechanism specifically includes an upper pressing block 7 fixed in the groove at the bottom of the wheel body and a lower pressing block 8 slidably connected to the upper pressing block 7. Specifically, a plurality of upper arc grooves with different radii are provided at the bottom of the upper pressing block 7, and a lower arc groove corresponding to the arc groove of the upper pressing block 7 and having the same radius is provided on the lower pressing block 8. The radius of the arc groove of the wheel body 61 is the same as the radius of the corresponding upper arc groove on the upper pressing block 7, and the bottom of the upper arc groove is at the same height as the bottom of the arc groove of the wheel body 61.

[0031] The upper pressing block 7 is slidably connected to the lower pressing block 8. Figure 3 As shown, the upper clamping block 7 is provided with ear plates 71 on both sides, and correspondingly, the lower clamping block 8 is provided with slide grooves 81 on both sides, and the ear plates 71 are slidably connected with the slide grooves 81. The above structure is used to loosen the fastening screws 82 after the bending is completed, slide the lower clamping block 8 upward to separate it from the end of the steel bar 10, and then take out the steel bar 10.

[0032] In addition, if Figure 5 As shown, a plurality of fastening screws 82 corresponding to the lower arc groove are installed at the bottom of the lower clamping block 8, and the fastening screws 82 pass through the lower arc groove. When in use, the steel bar 10 is fixed between the upper clamping block 7 and the lower clamping block 8 by the fastening screws 82.

[0033] like Figure 2 As shown, the handle assembly 4 specifically includes a plate body 41 sleeved on the support shaft 3, a handle 42 is fixed on the plate body 41, a pin hole is provided on the lower side of the plate body 41, a pin shaft 43 is installed in the pin hole, and the pin shaft 43 passes through the positioning through hole 62.

[0034] The above structure can bend the steel bar 10 at various bending angles. According to the adjustment method, the pin 43 is pulled out so that the plate 41 can rotate relative to the clamping wheel. According to the bending angle requirements, the plate 41 is fixed in the corresponding positioning through hole 62 by the pin 43 to achieve bending at different angles.

[0035] More specifically, in order to improve the supporting effect and prevent the steel bar from bending at the supporting position during the bending process, there are at least two supporting wheels 2 , and an annular supporting groove corresponding to the arc groove of the wheel body 61 is provided on its circumference.

[0036] The working principle of this simple steel bar bending device is:

[0037] When bending, the steel bar clamping mechanism is located at the lowest end of the bending mechanism. The steel bar 10 is placed on the supporting wheel 2, and the steel bar 10 is pushed forward so that one end of it is inserted into the steel bar clamping mechanism for fixing. The handle assembly 4 is turned downward to a horizontal position (such as Figure 7As shown), the bending wheel 6 is driven to rotate to bend the steel bar. After the bending is completed, the fastening screw 82 is loosened, and the lower pressing block 8 is slid upward to separate it from the end of the steel bar 10, and the steel bar 10 can be taken out.

[0038] In addition, the utility model can bend the steel bar 10 at various bending angles. According to the adjustment method, the pin shaft 43 is pulled out so that the plate body 41 can rotate relative to the clamping wheel. According to the bending angle requirements, the plate body 41 is fixed in the corresponding positioning through hole 62 by the pin shaft 43, so that bending at different angles can be achieved.

[0039] Obviously, those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if these modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A simple steel bar bending device, comprising a U-shaped base (1) and a bending mechanism, wherein a support wheel (2) is rotatably mounted on the inner side of the rear portion of the U-shaped base (1), a bracket (5) is provided on the upper front portion of the U-shaped base (1), a support shaft (3) is fixed on the bracket (5), and the bending mechanism is rotatably mounted on the support shaft (3), characterized in that: The bending mechanism comprises a bending wheel (6) and a handle assembly (4) sleeved on a support shaft (3); the bending wheel (6) and the handle assembly (4) are detachably connected; a steel bar pressing mechanism is fixed to the bottom of the bending wheel (6).

2. The simple steel bar bending device according to claim 1, characterized in that: The bending wheel (6) comprises a wheel body (61), a plurality of positioning through holes (62) are evenly distributed on the side of the wheel body, a plurality of arc grooves with different radii are circumferentially formed on the wheel body (61), and a groove is formed at the bottom of the wheel body, and a steel bar pressing mechanism is fixed at the bottom of the groove through a mounting hole (63).

3. The simple steel bar bending device according to claim 2, characterized in that: The steel bar pressing mechanism comprises an upper pressing block (7) fixed in a groove at the bottom of a wheel body and a lower pressing block (8) slidably connected to the upper pressing block (7); a plurality of upper arc grooves of different radii are formed at the bottom of the upper pressing block (7); a lower arc groove of the same radius and corresponding to the arc groove of the upper pressing block (7) is formed on the lower pressing block (8); the radius of the arc groove of the wheel body (61) is the same as the radius of the corresponding upper arc groove on the upper pressing block (7).

4. The simple steel bar bending device according to claim 3 is characterized in that: The upper clamping block (7) is provided with ear plates (71) on both sides, and the lower clamping block (8) is provided with sliding grooves (81) on both sides. The ear plates (71) are slidably connected with the sliding grooves (81). A plurality of fastening screws (82) corresponding to the lower arc grooves are installed at the bottom of the lower clamping block (8), and the fastening screws (82) pass through the lower arc grooves.

5. The simple steel bar bending device according to claim 4, characterized in that: The handle assembly (4) comprises a plate body (41) sleeved on the support shaft (3), a handle (42) being fixed on the plate body (41), a pin hole being provided on the lower side of the plate body (41), a pin shaft (43) being installed in the pin hole, and the pin shaft (43) passing through the positioning through hole (62).

6. The simple steel bar bending device according to claim 5, characterized in that: The number of the supporting wheels (2) is at least two, and the peripheral sides of the supporting wheels are provided with an annular supporting groove corresponding to the arc-shaped groove of the wheel body (61).

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