Automatic bending device for narrow and long workpiece robot

Abstract

The utility model discloses an automatic robot bending device for narrow and long workpieces, which relates to the technical field of plate bending and comprises a working table and a U-shaped seat, a strip-shaped opening is formed in the U-shaped seat, two supporting rods are slidably arranged in the strip-shaped opening, pointers are fixedly arranged on the rod walls of the two supporting rods, and the pointers are arranged on the working table. The top of the U-shaped seat is provided with scale marks, the scale marks are matched with the two pointers, the rod walls of the two supporting rods are rotationally sleeved with blocking rollers, a driving mechanism is arranged in the U-shaped seat, the two supporting rods are in transmission connection with the driving mechanism, and the top of the U-shaped seat is fixedly provided with a mounting plate. By means of the two pointers and the scale marks, the positions of the two blocking rollers can be adjusted before bending, the two blocking rollers are adjusted to the angle position where bending is needed in advance, and therefore the stroke of the hydraulic push rod does not need to be adjusted in the bending process, and working errors are effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of plate bending, in particular to a robot automatic bending device for narrow and long workpieces. Background Art

[0002] Workpiece bending is a common processing method used to bend metal sheets or pipes into the desired shape. During the bending process, the metal material is subjected to external torque in the bending deformation zone, resulting in bending deformation. It is widely used in machinery, electronics, construction and other fields. During the bending process, attention should be paid to quality control and measurement to ensure the accuracy and reliability of the workpiece.

[0003] In the process of implementing the present application, the applicant discovered that the existing robot automatic bending device often adjusts the bending angle by controlling the stroke of the hydraulic cylinder. However, there is a certain degree of error in the stroke control process of the hydraulic cylinder, which can easily lead to errors in the final bending angle of the workpiece. Utility Model Content

[0004] In view of the above problems existing in the existing bending devices, the present utility model is proposed.

[0005] Therefore, the utility model aims to provide a robot automatic bending device for narrow and long workpieces, which solves the problem that controlling the bending angle by controlling the stroke of the hydraulic cylinder easily leads to errors in the final bending angle of the workpiece.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] The automatic bending device of a narrow and long workpiece robot comprises a workbench and a U-shaped seat, the interior of the U-shaped seat is provided with a strip-shaped opening, the interior of the strip-shaped opening is slidably provided with two support rods, the rod walls of the two support rods are fixedly provided with pointers, the top of the U-shaped seat is provided with scale lines, the scale lines match the two pointers, the rod walls of the two support rods are rotatably sleeved with stop rollers, a driving mechanism is provided inside the U-shaped seat, the two support rods are transmission-connected with the driving mechanism, a mounting plate is fixedly provided on the top of the U-shaped seat, a hydraulic push rod is fixedly provided on one side of the mounting plate, the output end of the hydraulic push rod passes through the mounting plate and is fixedly connected with a fixing rod, a sleeve is inserted into the rod wall of the fixing rod, the end of the sleeve is fixedly connected with a bending head, the rod wall of the fixing rod is provided with a limiting mechanism, and the limiting mechanism matches the fixing rod and the sleeve.

[0008] Preferably, the driving mechanism includes a screw and two sliders, the screw is arranged inside the U-shaped seat and the rod walls at both ends are rotatably connected to the side walls of the U-shaped seat, the two sliders are threadedly sleeved with the rod walls of the screw, and the two support rods are respectively fixedly arranged on the upper surfaces of the corresponding sliders.

[0009] Preferably, the limiting mechanism includes an L-shaped plate and a limiting rod, the L-shaped plate is fixedly arranged on the rod wall of the fixing rod and is movably connected to the limiting rod, the rod wall of the fixing rod is provided with a limiting groove, the side wall of the sleeve is provided with a limiting hole, and the limiting rod is movably inserted into the limiting groove and the limiting hole.

[0010] Preferably, a motor is fixedly disposed on one side of the U-shaped seat, and one end of the screw rod passes through the U-shaped seat and is fixedly connected to the output end of the motor.

[0011] Preferably, the screw rod is a bidirectional screw rod.

[0012] Preferably, the rod wall of the limiting rod is fixedly sleeved with a limiting block.

[0013] Preferably, a spring is movably sleeved on the rod wall of the limiting rod, and two ends of the spring are respectively fixedly connected to the L-shaped plate and the limiting block.

[0014] Preferably, one end of the limiting rod away from the fixing rod is fixedly connected to a driving ring.

[0015] Preferably, the two stop rollers are symmetrically arranged on both sides of the bending head.

[0016] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0017] 1. The utility model can adjust the positions of the two stop rollers before bending by setting two pointers and scale lines, and pre-adjust the two stop rollers to the angle position required for bending, thereby eliminating the need to adjust the stroke of the hydraulic push rod during the bending process, and effectively reducing working errors.

[0018] 2. The utility model can fix the sleeve by inserting the limit rod into the limit hole and the limit groove, thereby ensuring the stable installation of the bending head, ensuring the normal use of the bending head, and facilitating the replacement of the bending head. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the connection structure between the driving mechanism of the utility model, two retaining rollers and a motor;

[0022] Figure 3 For the utility model Figure 1 An enlarged schematic diagram of part A.

[0023] Description of reference numerals:

[0024] 1. Workbench; 2. U-shaped seat; 3. Support rod; 4. Pointer; 5. Scale line; 6. Stop roller; 7. Mounting plate; 8. Hydraulic push rod; 9. Fixed rod; 10. Sleeve; 11. Bending head; 12. Screw rod; 13. Slider; 14. L-shaped plate; 15. Limit rod; 16. Motor; 17. Limit block; 18. Spring; 19. Drive ring. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0026] The utility model embodiment discloses a robot automatic bending device for narrow and long workpieces.

[0027] Embodiment 1

[0028] The utility model provides Figure 1-3 The narrow and long workpiece robot automatic bending device shown in the figure comprises a workbench 1 and a U-shaped seat 2, a strip-shaped opening is provided inside the U-shaped seat 2, two support rods 3 are slidably arranged inside the strip-shaped opening, pointers 4 are fixedly arranged on the rod walls of the two support rods 3, scale lines 5 are provided on the top of the U-shaped seat 2, the scale lines 5 match the two pointers 4, stop rollers 6 are rotatably sleeved on the rod walls of the two support rods 3, a driving mechanism is provided inside the U-shaped seat 2, the two support rods 3 are transmission-connected to the driving mechanism, a mounting plate 7 is fixedly provided on the top of the U-shaped seat 2, a hydraulic push rod 8 is fixedly provided on one side of the mounting plate 7, and the output end of the hydraulic push rod 8 passes through the mounting plate 7 It is fixedly connected with a fixing rod 9, and a sleeve 10 is inserted into the rod wall of the fixing rod 9. A bending head 11 is fixedly connected to the end of the sleeve 10. Two stop rollers 6 are symmetrically arranged on both sides of the bending head 11, so that the bending head 11 is located in the middle position of the two stop rollers 6 during the bending process. A limiting mechanism is arranged on the rod wall of the fixing rod 9, and the limiting mechanism matches the fixing rod 9 and the sleeve 10. By using the two pointers 4 and scale lines 5, the positions of the two stop rollers 6 can be adjusted before bending, and the two stop rollers 6 can be adjusted to the angle position required for bending in advance, so that there is no need to adjust the stroke of the hydraulic push rod 8 during the bending process, which effectively reduces the working error.

[0029] Embodiment 2

[0030] Based on the first embodiment, Figure 1-2As shown, the driving mechanism includes a screw rod 12 and two sliders 13. The screw rod 12 is arranged inside the U-shaped seat 2 and the rod walls at both ends are rotatably connected to the side walls of the U-shaped seat 2. The two sliders 13 are threadedly sleeved with the rod walls of the screw rod 12. The two support rods 3 are respectively fixedly arranged on the upper surfaces of the corresponding sliders 13. The screw rod 12 is a bidirectional screw rod. By utilizing the bidirectional screw rod, the two sliders 13 can approach or move away from each other during the rotation of the screw rod 12, thereby realizing the position adjustment of the two stop rollers 6 and the corresponding pointers 4. A motor 16 is fixedly arranged on one side of the U-shaped seat 2. One end of the screw rod 12 passes through the U-shaped seat 2 and is fixedly connected to the output end of the motor 16. By providing the motor 16, the screw rod 12 can be driven to rotate during the operation of the motor 16, thereby realizing the driving of the driving mechanism.

[0031] Embodiment 3

[0032] Based on the first embodiment, Figure 3 As shown, the limiting mechanism includes an L-shaped plate 14 and a limiting rod 15. The L-shaped plate 14 is fixedly arranged on the rod wall of the fixing rod 9 and is movably connected with the limiting rod 15. The rod wall of the fixing rod 9 is provided with a limiting groove, and the side wall of the sleeve 10 is provided with a limiting hole. The limiting rod 15 is movably inserted into the limiting groove and the limiting hole. By plugging the limiting rod 15 into the limiting hole and the limiting groove, the sleeve 10 can be fixed, thereby ensuring the stable installation of the bending head 11 and the normal use of the bending head 11.

[0033] Embodiment 4

[0034] Based on the first embodiment, Figure 1 and Figure 3 As shown, the rod wall of the limit rod 15 is fixedly sleeved with the limit block 17. The limit block 17 is used to limit the limit rod 15, thereby avoiding the limit rod 15 from being separated from the L-shaped plate 14. The rod wall of the limit rod 15 is movably sleeved with a spring 18, and the two ends of the spring 18 are respectively fixedly connected to the L-shaped plate 14 and the limit block 17. The spring 18 is used to squeeze the limit block 17 through the elastic force of the spring 18, so that the limit rod 15 can maintain a stable plug-in state with the corresponding slot. The end of the limit rod 15 away from the fixing rod 9 is fixedly connected with a driving ring 19. The driving ring 19 is used to facilitate the driving ring 19, so that the limit rod 15 can be pulled, so that the limit rod 15 can be moved out from the inside of the limiting groove, thereby facilitating the replacement of the bending head 11.

Claims

1. A robot automatic bending device for narrow and long workpieces, comprising a workbench (1) and a U-shaped seat (2), characterized in that: The U-shaped seat (2) is provided with a strip-shaped opening inside, two support rods (3) are slidably arranged inside the strip-shaped opening, the rod walls of the two support rods (3) are fixedly provided with pointers (4), the top of the U-shaped seat (2) is provided with scale lines (5), the scale lines (5) match the two pointers (4), the rod walls of the two support rods (3) are rotatably sleeved with stop rollers (6), the U-shaped seat (2) is provided with a driving mechanism inside, and the two support rods (3) are transmission-connected to the driving mechanism, A mounting plate (7) is fixedly arranged on the top of the U-shaped seat (2), a hydraulic push rod (8) is fixedly arranged on one side of the mounting plate (7), an output end of the hydraulic push rod (8) passes through the mounting plate (7) and is fixedly connected to a fixing rod (9), a sleeve (10) is inserted into the rod wall of the fixing rod (9), a bending head (11) is fixedly connected to the end of the sleeve (10), and a limiting mechanism is arranged on the rod wall of the fixing rod (9), and the limiting mechanism matches the fixing rod (9) and the sleeve (10).

2. The robot automatic bending device for narrow and long workpieces according to claim 1 is characterized in that: The driving mechanism comprises a screw rod (12) and two sliders (13); the screw rod (12) is arranged inside the U-shaped seat (2) and the rod walls at both ends are rotatably connected to the side walls of the U-shaped seat (2); the two sliders (13) are threadedly sleeved with the rod walls of the screw rod (12); and the two support rods (3) are respectively fixedly arranged on the upper surfaces of the corresponding sliders (13).

3. The robot automatic bending device for narrow and long workpieces according to claim 1 is characterized in that: The limiting mechanism comprises an L-shaped plate (14) and a limiting rod (15); the L-shaped plate (14) is fixedly arranged on the rod wall of the fixing rod (9) and is movably sleeved with the limiting rod (15); the rod wall of the fixing rod (9) is provided with a limiting groove; the side wall of the sleeve (10) is provided with a limiting hole; and the limiting rod (15) is movably inserted into the limiting groove and the limiting hole.

4. The robot automatic bending device for narrow and long workpieces according to claim 2 is characterized in that: A motor (16) is fixedly arranged on one side of the U-shaped seat (2), and one end of the screw rod (12) passes through the U-shaped seat (2) and is fixedly connected to the output end of the motor (16).

5. The robot automatic bending device for narrow and long workpieces according to claim 2 is characterized in that: The screw rod (12) is a bidirectional screw rod.

6. The robot automatic bending device for narrow and long workpieces according to claim 3 is characterized in that: The rod wall of the limiting rod (15) is fixedly sleeved with a limiting block (17).

7. The robot automatic bending device for narrow and long workpieces according to claim 3 is characterized in that: A spring (18) is movably sleeved on the rod wall of the limiting rod (15), and two ends of the spring (18) are respectively fixedly connected to the L-shaped plate (14) and the limiting block (17).

8. The robot automatic bending device for narrow and long workpieces according to claim 3 is characterized in that: One end of the limiting rod (15) away from the fixing rod (9) is fixedly connected to a driving ring (19).

9. The robot automatic bending device for narrow and long workpieces according to claim 1, characterized in that: The two blocking rollers (6) are symmetrically arranged on both sides of the bending head (11).

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