Bending device for steel pipe machining

Abstract

The utility model belongs to the technical field of steel pipe machining, and discloses a bending device for steel pipe machining, which comprises a worktable, a bending component is mounted at the top of the worktable close to the front end, and a positioning component is arranged on the rear side of the bending component and is arranged on the worktable. A supporting assembly is installed at the position, close to the rear end, of the top of the workbench, the bending assembly comprises a fixing column, a plurality of annular grooves with different diameters are formed in the fixing column, a steel pipe between the two annular grooves is bent through rotation of a bending base, bending at different angles can be conducted, and the bending efficiency is improved. According to the bending device, the annular grooves with different diameters are formed in the fixing column, the corresponding grooves, the first positioning pipe grooves and the second positioning pipe grooves which are matched with the annular grooves are formed in the fixing column, steel pipes with different diameters extend into the different annular grooves, the corresponding grooves, the first positioning pipe grooves and the second positioning pipe grooves, and then the steel pipes with different diameters can be bent.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel pipe processing, in particular to a bending device for steel pipe processing. Background Art

[0002] Steel pipe is a long strip of steel with a hollow cross-section. Steel pipe can be divided into seamless steel pipe and welded steel pipe according to the production method. It is widely used in the fields of construction, industry, and transportation. Some steel pipes need to be bent according to demand, and the bending of steel pipes requires a bending device.

[0003] The Chinese patent application number 202321792987.6 discloses a steel pipe bending device that can be easily fixed, including a workbench, a fixing plate and a bending table, wherein an L-shaped bracket is arranged on the top of the workbench, a first cylinder is arranged on the L-shaped bracket, and a bending piece is connected to the first cylinder, the fixing plate is arranged on both sides of the top of the workbench, and a plurality of fixing grooves are arranged on the opposite side walls of the fixing plate, the fixing groove, a support rod is arranged in the fixing groove, and a plurality of first springs are arranged on the support rod, and the first springs are arranged around the outer wall of the support rod, and the first springs are arranged on the outer wall of the support rod. A first arc-shaped plate is provided on the top, and the bending platform is arranged between the fixed plates. The bending platform is provided with a groove, and the groove is transversely provided with a plurality of bending grooves. By moving the fixed plate, the two ends of the steel pipe are aligned with the support rod and then inserted into the fixed groove. Under the action of the first spring, the first arc-shaped plate can push the inner wall of the steel pipe to prevent the steel pipe from sliding, and also to prevent the fixed plate from clamping the two sides of the steel pipe with excessive force, so that the steel pipes on both sides are deformed when the steel pipe is bent. At the same time, when the two ends of the steel pipe are slightly tilted during bending, the first arc-shaped plate contracts under the action of the first spring to prevent the two ends of the steel pipe from deforming.

[0004] However, the above-mentioned steel pipe bending device that can be easily fixed has the following problems during actual use: the use of a bending groove structure to bend the steel pipe results in a fixed bending angle. If different bending angles are required, different bending groove structures need to be replaced, which is inconvenient to use.

[0005] Therefore, in order to solve the above problems, a bending device for steel pipe processing is proposed. Utility Model Content

[0006] In order to solve the problems raised in the above-mentioned background technology, the utility model provides a bending device for steel pipe processing, which has the advantage of being able to bend the steel pipe into different angles, which is conducive to the use of the bending device.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bending device for steel pipe processing, comprising a workbench, a bending assembly is installed at the front end of the top of the workbench, a positioning assembly is provided at the rear side of the bending assembly, the positioning assembly is arranged on the workbench, and a supporting assembly is installed at the rear end of the top of the workbench;

[0008] The bending assembly includes a fixed column, on which a plurality of annular grooves with different diameters are provided. The bottom of the fixed column is fixedly connected to the workbench through an inner column. A rotating table is provided on the outer side of the inner column. A bending seat is provided at a position corresponding to the fixed column on the rotating table. A corresponding groove corresponding to the annular groove is provided on the bending seat. A first cylinder is connected to the side of the bending seat away from the fixed column. The first cylinder is fixedly connected to the rotating table through a first fixing frame. A rotating sleeve is fixedly connected to the bottom of the rotating table. The rotating sleeve penetrates through the workbench and is fixedly connected to a gear. The gear is meshed with a rack. The rack is connected to a hydraulic cylinder, and the hydraulic cylinder is installed at the bottom of the workbench.

[0009] Preferably, support legs are fixedly connected to the positions of the four corners at the bottom of the workbench, and reinforcing bars are fixedly connected between adjacent support legs.

[0010] Preferably, an annular sliding groove is provided at the bottom of the rotating table, and an annular sliding strip is provided in the annular sliding groove. The annular sliding strip is fixed on the workbench.

[0011] Preferably, a positioning sliding groove is provided on the rotating table, and a positioning sliding block is provided in the positioning sliding groove. The positioning sliding block is fixed to the bottom of the bending seat.

[0012] Preferably, the positioning assembly includes a fixed seat, on which a first positioning pipe groove is provided. The position structure of the first positioning pipe groove corresponds to that of the annular groove. An active seat is provided on the right side of the fixed seat. A second positioning pipe groove matching the first positioning pipe groove is provided on the active seat. A second cylinder is connected to the side of the active seat away from the fixed seat. The second cylinder is fixedly connected to the workbench through a second fixing frame.

[0013] Preferably, protective pads are provided on the inner walls of the first positioning pipe groove and the second positioning pipe groove.

[0014] Preferably, the support assembly includes support wheels corresponding to the positions of the annular grooves. The support wheels are connected to a mounting frame, and the bottom of the mounting frame is connected to a third cylinder. The third cylinder is installed on the workbench.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] 1. By setting the bending assembly and providing annular grooves on the fixed column, the steel pipe can be bent by rotating the bending seat, and bending at different angles can be performed, which is more beneficial to the use of the bending device;

[0017] 2. The utility model can bend steel pipes with different diameters by opening annular grooves with different diameters on the fixed column and setting corresponding grooves, a first positioning pipe groove and a second positioning pipe groove that match them. The steel pipes with different diameters are inserted into different annular grooves, corresponding grooves, the first positioning pipe groove and the second positioning pipe groove, and then the bending work of the steel pipes with different diameters can be carried out. Brief Description of the Drawings

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the structure of the bending assembly of the utility model;

[0020] Figure 3 It is a schematic diagram of the separated structure of the fixed column and the rotating table of the utility model;

[0021] Figure 4 It is a schematic diagram of the structure at the position of the bending seat of the utility model;

[0022] Figure 5 It is a schematic diagram of the structure of the positioning assembly of the utility model;

[0023] Figure 6 It is a schematic diagram of the structure of the support assembly of the utility model.

[0024] In the figure: 1, workbench;

[0025] 2, bending assembly; 201, fixed column; 202, annular groove; 203, inner column; 204, rotating table; 205, bending seat; 206, corresponding groove; 207, first cylinder; 208, first fixing frame; 209, rotating sleeve; 210, gear; 211, rack; 212, hydraulic cylinder;

[0026] 3, positioning assembly; 301, fixed seat; 302, first positioning pipe groove; 303, movable seat; 304, second positioning pipe groove; 305, second cylinder; 306, second fixing frame;

[0027] 4, support assembly; 401, support wheel; 402, mounting frame; 403, third cylinder;

[0028] 5, support leg; 6, reinforcing rod; 7, annular chute; 8, annular slide bar; 9, positioning chute; 10, positioning slider. Detailed Embodiment

[0029] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0030] As Figures 1 to 6 shown, the present utility model provides a bending device for steel pipe processing, which includes a workbench 1. A bending assembly 2 is installed at the front end of the top of the workbench 1. A positioning assembly 3 is arranged at the rear side of the bending assembly 2. The positioning assembly 3 is arranged on the workbench 1. A support assembly 4 is installed at the rear end of the top of the workbench 1.

[0031] The bending assembly 2 includes a fixed column 201. A plurality of annular grooves 202 with different diameters are formed on the fixed column 201. The bottom of the fixed column 201 is fixedly connected to the workbench 1 through an inner column 203. A rotating table 204 is arranged outside the inner column 203. A bending seat 205 is arranged at a position corresponding to the fixed column 201 on the rotating table 204. A corresponding groove 206 corresponding to the annular groove 202 is formed on the bending seat 205. One side of the bending seat 205 away from the fixed column 201 is connected to a first cylinder 207. The first cylinder 207 is fixedly connected to the rotating table 204 through a first fixing frame 208. The bottom of the rotating table 204 is fixedly connected to a rotating sleeve 209. The rotating sleeve 209 penetrates through the workbench 1 and is fixedly connected to a gear 210. The gear 210 is meshed with a rack 211. The rack 211 is connected to a hydraulic cylinder 212. The hydraulic cylinder 212 is installed at the bottom of the workbench 1. An annular groove 202 is formed on the fixed column 201. The steel pipe in between can be bent by the rotation of the bending seat 205, and bending at different angles can be carried out, which is more beneficial to the use of the bending device. Annular grooves 202 with different diameters are formed on the fixed column 201, and corresponding grooves 206, a first positioning pipe groove 302, and a second positioning pipe groove 304 are arranged to match them. Steel pipes with different diameters are inserted into different annular grooves 202, corresponding grooves 206, first positioning pipe grooves 302, and second positioning pipe grooves 304, and then the bending work of steel pipes with different diameters can be carried out.

[0032] Specifically, support legs 5 are fixedly connected to the four corners of the bottom of the workbench 1, and a reinforcing rod 6 is fixedly connected between adjacent support legs 5.

[0033] Furthermore, an annular sliding groove 7 is arranged at the bottom of the rotating table 204. An annular sliding strip 8 is arranged in the annular sliding groove 7. The annular sliding strip 8 is fixed on the workbench 1, and the rotation process of the rotating table 204 is structurally stabilized through the annular sliding groove 7 and the annular sliding strip 8.

[0034] Further, a positioning sliding groove 9 is provided on the rotating table 204, and a positioning sliding block 10 is arranged in the positioning sliding groove 9. The positioning sliding block 10 is fixed to the bottom of the bending seat 205, and the movement process of the bending seat 205 is stabilized through the positioning sliding groove 9 and the positioning sliding block 10.

[0035] It should be noted that the positioning assembly 3 includes a fixed seat 301. A first positioning pipe groove 302 is formed on the fixed seat 301. The position structure of the first positioning pipe groove 302 corresponds to that of the annular groove 202. A movable seat 303 is arranged on the right side of the fixed seat 301. A second positioning pipe groove 304 matching the first positioning pipe groove 302 is formed on the movable seat 303. A second air cylinder 305 is connected to the side of the movable seat 303 away from the fixed seat 301. The second air cylinder 305 is fixedly connected to the workbench 1 through a second fixing frame 306. The positioning assembly 3 can fix the steel pipe to prevent displacement during bending and affect the bending work.

[0036] It is worth noting that protective pads are arranged on the inner walls of the first positioning pipe groove 302 and the second positioning pipe groove 304 to reduce the wear on the steel pipe.

[0037] It is worth introducing that the support assembly 4 includes a support wheel 401 corresponding to the position of the annular groove 202. The support wheel 401 is connected with a mounting frame 402. The bottom of the mounting frame 402 is connected with a third air cylinder 403. The third air cylinder 403 is installed on the workbench 1 and is used to support steel pipes at different positions and with different diameters to avoid damage to the steel pipe due to the influence of gravity at the end.

[0038] Among them, the first air cylinder 207, the hydraulic cylinder 212, the second air cylinder 305, and the third air cylinder 403 are prior arts and will not be elaborated here. At the same time, the present utility model also includes a power supply, a controller, a switch, etc., which are not the main technical points of this patent and will not be elaborated here.

[0039] Working principle and process: Select the corresponding annular groove 202, corresponding groove 206, first positioning pipe groove 302, and second positioning pipe groove 304 according to the diameter of the steel pipe. Start the third cylinder 403 of the support assembly 4, and then the third cylinder 403 extends. The mounting bracket 402 drives the support wheel 401 to move up and down, so that the support wheel 401 is at the height of the corresponding annular groove 202. Insert one end of the steel pipe to be bent into the corresponding annular groove 202, and the other end is on the support wheel 401. Start the second cylinder 305 of the positioning assembly 3, and then the second cylinder 305 extends to cause the movable seat 303 to move, so that the steel pipe is between the first positioning pipe groove 302 and the second positioning pipe groove 304 to fix the steel pipe. Start the first cylinder 207 of the bending assembly 2, and then push the bending seat 205 to move, so that the steel pipe is in the corresponding groove 206. Start the hydraulic cylinder 212, and then the rack 211 drives the gear 210 to rotate, and then the rotating sleeve 209 drives the rotating table 204 to rotate, which can drive the bending seat 205 to rotate around the fixed column 201 to bend the steel pipe. The bending angle of the steel pipe can be controlled according to the rotation angle of the bending seat 205, which is beneficial to the use of the bending device.

[0040] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0041] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bending device for steel pipe processing, comprising a workbench (1), characterized in that: At the position near the front end of the top of the workbench (1), a bending assembly (2) is installed. A positioning assembly (3) is arranged at the rear side of the bending assembly (2). The positioning assembly (3) is arranged on the workbench (1). At the position near the rear end of the top of the workbench (1), a supporting assembly (4) is installed. The bending assembly (2) includes a fixed column (201). A plurality of annular grooves (202) with different diameters are formed on the fixed column (201). The bottom of the fixed column (201) is fixedly connected to the workbench (1) through an inner column (203). A rotating table (204) is arranged outside the inner column (203). At the position corresponding to the fixed column (201) on the rotating table (204), a bending seat (205) is arranged. A corresponding groove (206) corresponding to the annular groove (202) is formed on the bending seat (205). One side of the bending seat (205) away from the fixed column (201) is connected with a first air cylinder (207). The first air cylinder (207) is fixedly connected to the rotating table (204) through a first fixing frame (208). The bottom of the rotating table (204) is fixedly connected with a rotating sleeve (209). The rotating sleeve (209) penetrates through the workbench (1) and is fixedly connected with a gear (210). The gear (210) is meshed with a rack (211). The rack (211) is connected with a hydraulic cylinder (212). The hydraulic cylinder (212) is installed at the bottom of the workbench (1).

2. The bending device for steel pipe processing according to claim 1, characterized in that: Support legs (5) are fixedly connected to the positions of the four corners at the bottom of the workbench (1). Reinforcing rods (6) are fixedly connected between adjacent support legs (5).

3. The bending device for steel pipe processing according to claim 1, wherein: An annular sliding groove (7) is arranged at the bottom of the rotating table (204). An annular sliding strip (8) is arranged in the annular sliding groove (7). The annular sliding strip (8) is fixed on the workbench (1).

4. The bending device for steel pipe processing according to claim 1, wherein: A positioning sliding groove (9) is arranged on the rotating table (204). A positioning sliding block (10) is arranged in the positioning sliding groove (9). The positioning sliding block (10) is fixed at the bottom of the bending seat (205).

5. The bending device for steel pipe processing according to claim 1, characterized in that: The positioning assembly (3) includes a fixed seat (301). A first positioning pipe groove (302) is formed on the fixed seat (301). The position structure of the first positioning pipe groove (302) corresponds to that of the annular groove (202). An activity seat (303) is arranged on the right side of the fixed seat (301). A second positioning pipe groove (304) matching the first positioning pipe groove (302) is formed on the activity seat (303). One side of the activity seat (303) away from the fixed seat (301) is connected with a second air cylinder (305). The second air cylinder (305) is fixedly connected to the workbench (1) through a second fixing frame (306).

6. The bending device for steel pipe processing according to claim 5, characterized in that: Protective pads are arranged on the inner walls of the first positioning pipe groove (302) and the second positioning pipe groove (304).

7. The bending device for steel pipe processing according to claim 1, characterized in that: The supporting assembly (4) includes a supporting wheel (401) corresponding to the position of the annular groove (202). The supporting wheel (401) is connected with an installation frame (402). The bottom of the installation frame (402) is connected with a third air cylinder (403). The third air cylinder (403) is installed on the workbench (1).

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