Bending angle adjusting mechanism of pipe bending machine

Abstract

The utility model relates to the field of pipe benders, in particular to a bending angle adjusting mechanism of a pipe bender, which comprises a worktable, support frames are arranged on two sides of the worktable, a first rotating gear and a second rotating gear are respectively arranged on one side of the worktable and positioned on the outer end surfaces of the support frames, and the first rotating gear is positioned at the top end of the second rotating gear. The first rotating gear is meshed with the second rotating gear, a bending base is arranged in the center of the top end of the workbench, and a fixing base is arranged on the portion, located on the top face of the workbench, of one side of the bending base; by rotating a knob at the front end of a clamping block, the fixing relation between the clamping block and a displacement seat is relieved, a worker can conveniently replace the clamping block according to different bent objects, the use of the device is improved, after machining is finished, when one second rotating gear is rotated, the workbench is turned over on the inner side of the supporting frame, and the work efficiency is improved. And therefore, the device can be folded and stored conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe benders, in particular to a bending angle adjusting mechanism of a pipe bender. Background Art

[0002] When installing building water supply and drainage pipes, it is necessary to lay the water supply and drainage pipes according to the actual situation for discharging wastewater inside the building or rainwater outside the building. During the laying process, two or more pipes need to be connected together according to the layout of the water pipes. Some bending parts can be connected using elbow pipes, but some bending parts need to be adjusted by the bending angle adjusting mechanism of the pipe bender;

[0003] During the adjustment of the existing bending angle adjusting mechanism of the pipe bender, since there are square pipes and round pipes for elbows, and most of the bending angle adjusting mechanisms of pipe benders can only perform bending adjustment for round pipes, it is inconvenient to adjust when encountering square pipes, with low applicability. Moreover, the pipe bender has a large volume, and it occupies a large area after use, making it inconvenient for storage and accommodation.

[0004] Therefore, aiming at the problem that the existing bending angle adjusting mechanism of the pipe bender can only perform bending adjustment for round pipes, it is inconvenient to adjust when encountering square pipes, with low applicability, and the pipe bender has a large volume, occupies a large area after use, and is inconvenient for storage and accommodation. Therefore, a bending angle adjusting mechanism of a pipe bender can be designed. By rotating the knob at the front end of the clamping block, the fixed relationship between the clamping block and the displacement seat is released, facilitating the staff to replace the clamping block according to different bending objects, improving the use of the device. After processing, when one of the second rotating gears rotates, the workbench is flipped inside the support frame, thus facilitating the folding and storage of the device. Summary of the Utility Model

[0005] In order to overcome the problems of poor functionality of the existing lighting device and lack of a cleaning structure.

[0006] The technical solution of the utility model is: a bending angle adjusting mechanism of a pipe bender, including a workbench. Support frames are arranged on both sides of the workbench. On the outer end surface of the support frame on one side of the workbench, a first rotating gear and a second rotating gear are respectively arranged. The first rotating gear is located at the top of the second rotating gear, and the first rotating gear and the second rotating gear are meshed with each other. A bending seat is arranged at the center position of the top surface of the workbench. A fixed seat is arranged on the top surface of the workbench on one side of the bending seat. Displacement seats are movably connected to both ends of the top surfaces of the bending seat and the fixed seat. A clamping block is arranged at the front end of the displacement seat. A knob is arranged at the top of the clamping block, and one end of the knob extends to the inside of the clamping block;

[0007] By rotating the knob at the front end of the clamping block, the fixed relationship between the clamping block and the displacement seat is released, which makes it easy for workers to replace the clamping block according to different bending objects, thereby improving the use of the device. After the processing is completed, when one of the second rotating gears is rotated, the workbench is flipped on the inner side of the support frame, making it easier to fold and store the device.

[0008] Preferably, the workbench and the first rotating gear are an integrated structure, and connecting rods are provided on both sides of the workbench, and one end of the connecting rod passes through the support frame and extends to the inner side of the first rotating gear.

[0009] Preferably, two second rotating gears are provided, one end of one of the second rotating gears is provided with a first servo motor, the first servo motor is connected to one of the second rotating gears through a coupling, the other end of one of the second rotating gears is provided with a transmission rod, one end of the transmission rod passes through the support frame and extends to one end of the other second rotating gear, and the two second rotating gears are connected by the transmission rod.

[0010] Preferably, there are multiple displacement seats, the bottom ends of the displacement seats are located at the top surfaces of the bending seat and the fixed seat, and the first displacement groove and the second displacement groove are respectively provided. The bottom ends of the displacement seats extend to the inner sides of the first displacement groove and the second displacement groove respectively. One ends of the displacement seats are respectively located at the first displacement groove and the second displacement groove, and a first screw rod is provided. One end of the first screw rod passes through the displacement seat and extends to the inner sides of the first displacement groove and the second displacement groove. The displacement seat and the first screw rod are engaged with each other. The first screw rod is a double-headed threaded screw rod, and the threads at both ends of the first screw rod are symmetrical with each other. One end of the first screw rod is located on the outside of the bending seat and the fixed seat and is provided with a second servo motor.

[0011] Preferably, a mounting groove is provided on the inner side of the displacement seat behind the clamping block, and the rear end of the clamping block is plugged into the inner side of the mounting groove.

[0012] Preferably, a second screw rod is provided on the inner side of the clamping block behind the knob, and plug blocks are provided at both ends of the second screw rod on the inner side of the clamping block. One end of the plug block is provided on the inner side of the mounting groove and a slot is provided, and one end of the plug block extends to the inner side of the slot.

[0013] Preferably, the second screw rod is a stud screw rod, the threads at both ends of the second screw rod are symmetrical with the knob as the center, a bevel gear is provided at the intersection of the knob and the second screw rod, and the knob and the second screw rod are connected through the bevel gear transmission.

[0014] Beneficial effects of the utility model:

[0015] By rotating the knob at the front end of the clamping block, the knob causes the insert block to separate from the inner side of the displacement seat during the rotation process, thereby releasing the fixed relationship between the clamping block and the displacement seat, making it convenient for the staff to replace the clamping block according to different bending objects, thereby improving the use of the device. After the processing is completed, when one of the second rotating gears is rotated, since the two second rotating gears are connected by the transmission rod, the second rotating gear and the first rotating gear are engaged with each other, and the workbench and the first rotating gear are an integrated structure, so that the workbench can be flipped on the inner side of the support frame, thereby facilitating the folding and storage of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 What is shown is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 Shown is a schematic diagram of the structure of the first rotating gear and the second rotating gear of the utility model;

[0018] Figure 3 Shown is a schematic diagram of the structure of the fixing seat of the utility model;

[0019] Figure 4 Shown is a schematic diagram of the internal structure of the clamping block of the utility model.

[0020] Explanation of the accompanying drawings: 1. Workbench; 2. Support frame; 3. First rotating gear; 4. Second rotating gear; 5. First servo motor; 6. Transmission rod; 7. Bending seat; 8. Displacement seat; 9. Clamping block; 10. First displacement slot; 11. Fixed seat; 12. Second displacement slot; 13. First screw rod; 14. Second servo motor; 15. Second screw rod; 16. Insert block; 17. Knob. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] See also Figures 1-4The utility model provides a technical solution: a bending angle adjustment mechanism for a pipe bender, comprising a workbench 1, support frames 2 are provided on both sides of the workbench 1, a first rotating gear 3 and a second rotating gear 4 are provided on the outer end surface of the support frame 2 on one side of the workbench 1, the first rotating gear 3 is located at the top of the second rotating gear 4, the first rotating gear 3 and the second rotating gear 4 are meshed with each other, the workbench 1 and the first rotating gear 3 are an integrated structure, a connecting rod is provided on both sides of the workbench 1, one end of the connecting rod passes through the support frame 2 and extends to the inner side of the first rotating gear 3, two second rotating gears 4 are provided, one end of which is provided with a first servo The motor 5, the first servo motor 5 is connected to one of the second rotating gears 4 through a coupling, and a transmission rod 6 is provided at the other end of one of the second rotating gears 4. One end of the transmission rod 6 passes through the support frame 2 and extends to one end of the other second rotating gear 4. The two second rotating gears 4 are connected by the transmission rod 6. When one of the second rotating gears 4 rotates, since the two second rotating gears 4 are connected by the transmission rod 6, the second rotating gear 4 and the first rotating gear 3 are engaged with each other. The workbench 1 and the first rotating gear 3 are an integrated structure, so that the workbench 1 can be flipped on the inner side of the support frame 2, thereby facilitating the folding and storage of the device;

[0023] See also Figures 2-3 In this embodiment, a bending seat 7 is provided at the center position of the top of the workbench 1. One side of the bending seat 7 is located on the top surface of the workbench 1 and is provided with a fixed seat 11. Both ends of the top surfaces of the bending seat 7 and the fixed seat 11 are movably connected with a displacement seat 8. There are multiple displacement seats 8. The bottom ends of the displacement seats 8 are located on the top surfaces of the bending seat 7 and the fixed seat 11 and are respectively provided with a first displacement groove 10 and a second displacement groove 12. The bottom ends of the displacement seats 8 extend to the inner sides of the first displacement groove 10 and the second displacement groove 12 respectively. One end of the displacement seat 8 is located in the first displacement groove 10 and the second displacement groove 12 and is respectively provided with a first wire. Rod 13, one end of the first screw rod 13 passes through the displacement seat 8 and extends to the inner side of the first displacement groove 10 and the second displacement groove 12, the displacement seat 8 and the first screw rod 13 are engaged with each other, the first screw rod 13 is a double-threaded screw rod, the threads at both ends of the first screw rod 13 are symmetrical to each other, one end of the first screw rod 13 is located outside the bending seat 7 and the fixed seat 11, and a second servo motor 14 is provided, and then the first screw rod 13 can be used to make multiple displacement seats 8 relatively displaced. Since a clamping block 9 is provided at the front end of the displacement seat 8, the displacement seat 8 clamps the bending part through the clamping block 9 during the displacement process;

[0024] See also Figures 3-4In this embodiment, the front end of the displacement seat 8 is provided with a clamping block 9, and the top of the clamping block 9 is provided with a knob 17. One end of the knob 17 extends to the inner side of the clamping block 9. The rear of the clamping block 9 is located on the inner side of the displacement seat 8 and is provided with a mounting groove. The rear end of the clamping block 9 is plugged into the inner side of the mounting groove. The rear of the knob 17 is located on the inner side of the clamping block 9 and is provided with a second screw rod 15. The two ends of the second screw rod 15 are located on the inner side of the clamping block 9 and are provided with an insert block 16. One end of the insert block 16 is located on the inner side of the mounting groove and is provided with a slot. One end of the insert block 16 extends to On the inside of the slot, the second screw rod 15 is a stud screw rod, and the threads at both ends of the second screw rod 15 are symmetrical with the knob 17 as the center. A bevel gear is provided at the intersection of the knob 17 and the second screw rod 15. The knob 17 and the second screw rod 15 are connected through the bevel gear transmission, and then the knob 17 can be rotated. During the rotation process, the knob 17 causes the insert block 16 to disengage from the inner side of the displacement seat 8, thereby releasing the fixed relationship between the clamping block 9 and the displacement seat 8, making it convenient for the staff to replace the clamping block 9 according to different bending objects, thereby improving the use of the device.

[0025] When working, the parts to be bent are placed in the fixed seat 11 and the bending seat 7 in turn, the power is turned on, the device is started, and during the rotation of the first screw rod 13, the first screw rod 13 causes the fixed seat 11 and the displacement seat 8 on the top surface of the bending seat 7 to move, and since the front end of the displacement seat 8 is provided with a clamping block 9, the displacement seat 8 clamps the bending part through the clamping block 9 during the displacement process, and the rear end of the clamping block 9 is plugged into the inner side of the displacement seat 8, and the front end of the clamping block 9 is provided with a knob 17, which can be rotated by rotating the knob 17. During the rotation of the knob 17, the plug 16 is disengaged from the inner side of the displacement seat 8 , thereby releasing the fixed relationship between the clamping block 9 and the displacement seat 8, making it convenient for the staff to replace the clamping block 9 according to different bending objects, improving the use of the device, and after the fixation is completed, the bending seat 7 is rotated to bend the bending part, and after the bending is completed, when one of the second rotating gears 4 is rotated, since the two second rotating gears 4 are connected by the transmission rod 6, the second rotating gear 4 and the first rotating gear 3 are engaged with each other, and the workbench 1 and the first rotating gear 3 are an integrated structure, so that the workbench 1 is flipped on the inner side of the support frame 2, which facilitates the folding and storage of the device.

[0026] Through the above steps, by rotating the knob 17 at the front end of the clamping block 9, the fixed relationship between the clamping block 9 and the displacement seat 8 is released, which facilitates the staff to replace the clamping block 9 according to different bent objects, improves the use of the device. And after the processing is completed, when one of the second rotating gears 4 is rotated, the workbench 1 is turned over inside the support frame 2, so as to facilitate the folding and storage of the device, solving the problem that the existing bending angle adjustment mechanism of the pipe bender can only perform bending adjustment for round pipes, is not convenient for adjustment when encountering square pipes, has low applicability, and the pipe bender has a large volume, occupies a large area after use, and is not convenient for storage and accommodation.

Claims

1. Bend angle adjustment mechanism of a pipe bender, including a workbench (1); characterized in that: On both sides of the workbench (1), support frames (2) are provided. On the outer end faces of the support frames (2) on one side of the workbench (1), a first rotating gear (3) and a second rotating gear (4) are respectively provided. The first rotating gear (3) is located at the top of the second rotating gear (4). The first rotating gear (3) and the second rotating gear (4) are meshed with each other. At the center position of the top of the workbench (1), a bending seat (7) is provided. On the top surface of the workbench (1) on one side of the bending seat (7), a fixed seat (11) is provided. At both ends of the top surfaces of the bending seat (7) and the fixed seat (11), displacement seats (8) are movably connected. At the front end of the displacement seat (8), a clamping block (9) is provided. At the top of the clamping block (9), a knob (17) is provided. One end of the knob (17) extends to the inside of the clamping block (9).

2. The bending angle adjusting mechanism of the pipe bender according to claim 1, characterized in that: The workbench (1) and the first rotating gear (3) are of an integral structure. Connecting rods are provided on both sides of the workbench (1). One end of the connecting rod penetrates through the support frame (2) and extends to the inside of the first rotating gear (3).

3. The bending angle adjusting mechanism of the pipe bender according to claim 1, characterized in that: There are two second rotating gears (4). One end of one of the second rotating gears (4) is provided with a first servo motor (5). The first servo motor (5) is connected to one of the second rotating gears (4) through a coupling. The other end of one of the second rotating gears (4) is provided with a transmission rod (6). One end of the transmission rod (6) penetrates through the support frame (2) and extends to one end of the other second rotating gear (4). The two second rotating gears (4) are connected through the transmission rod (6).

4. The bending angle adjusting mechanism of the pipe bender according to claim 1, characterized in that: A plurality of displacement seats (8) are provided. At the bottom ends of the displacement seats (8), a first displacement groove (10) and a second displacement groove (12) are respectively provided on the top surfaces of the bending seat (7) and the fixed seat (11). The bottom ends of the displacement seats (8) respectively extend to the inside of the first displacement groove (10) and the second displacement groove (12). At one end of the displacement seats (8) located in the first displacement groove (10) and the second displacement groove (12), first lead screws (13) are provided. One end of the first lead screw (13) penetrates through the displacement seat (8) and extends to the inside of the first displacement groove (10) and the second displacement groove (12). The displacement seat (8) and the first lead screw (13) are meshed with each other. The first lead screw (13) is a double-headed threaded lead screw. The threads at both ends of the first lead screw (13) are symmetrical to each other. One end of the first lead screw (13) is provided with a second servo motor (14) on the outside of the bending seat (7) and the fixed seat (11).

5. The bending angle adjusting mechanism of the pipe bender according to claim 1, characterized in that: Behind the clamping block (9), an installation groove is provided inside the displacement seat (8). The rear end of the clamping block (9) is inserted into the inside of the installation groove.

6. The bending angle adjusting mechanism of the pipe bender according to claim 1, characterized in that: Behind the knob (17), a second lead screw (15) is provided inside the clamping block (9). At both ends of the second lead screw (15) inside the clamping block (9), insertion blocks (16) are provided. One end of the insertion block (16) is provided with a slot inside the installation groove. One end of the insertion block (16) extends to the inside of the slot.

7. The bending angle adjusting mechanism of the pipe bender according to claim 1, characterized in that: The second screw rod (15) is a stud screw rod, the threads at both ends of the second screw rod (15) are symmetrical with the knob (17) as the center, and a bevel gear is provided at the intersection of the knob (17) and the second screw rod (15), and the knob (17) and the second screw rod (15) are connected through the bevel gear transmission.

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