Auxiliary positioning device of bending machine

Abstract

The auxiliary positioning device of the bending machine comprises a base, a two-way lead screw is arranged in the base, side plates are movably connected to the two sides of the two-way lead screw, and supporting plates and corrugated plates are fixedly connected to the side surfaces of the side plates; a first threaded rod is arranged at the top in the side plate, a support is fixedly connected to the lower surface of the first threaded rod, a first lower fastening nut and a first upper fastening nut are arranged on the first threaded rod, a second threaded rod is arranged outside the support, and a second upper fastening nut and a second lower fastening nut are arranged on the second threaded rod. The lower surface of the second threaded rod is fixedly connected with a pressing plate. By means of the device, the corrugated plate, the first lower fastening nut, the first upper fastening nut, the second upper fastening nut and the second lower fastening nut are matched, stable positioning and pressing of a workpiece are achieved, and the machining precision and efficiency of the bending machine are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bending machines, in particular to an auxiliary positioning device for bending machines. Background Art

[0002] In modern manufacturing, press brakes are a common metal processing equipment, widely used in sheet metal processing, automobile manufacturing, aerospace and other fields. The core function of a press brake is to bend metal sheets into the desired shape and angle through pressure.

[0003] In the existing bending machine technology, the positioning method of the bending machine mainly relies on manual operation. This method has many shortcomings, which affects the production efficiency and product quality. For example, a Chinese patent discloses "an auxiliary positioning device for a bending machine", and its application number is "CN202322050200.5". It places the beveled part on the support seat, and then drives the two positioning bars to approach each other through the control component to clamp the beveled part, and through the multiple rotating columns set on the side of the positioning bar to contact and roll with the beveled part, it is convenient to rotate the positioning bar and make the multiple rotating columns fit with the beveled part, so as to ensure convenient clamping and positioning of the beveled part, thereby improving the bending efficiency of the beveled part. However, its positioning bar contacts the beveled part through the rotating column, and the contact surface is limited. The positioning bar may be offset during the positioning process, affecting the positioning accuracy. Utility Model Content

[0004] In response to the shortcomings of the existing technology, the utility model provides an auxiliary positioning device for a bending machine. The corrugated plate, the first lower fastening nut, the first upper fastening nut, the second upper fastening nut and the second lower fastening nut cooperate with each other, and a first threaded rod and a second threaded rod are arranged in the side plate, respectively equipped with the first lower fastening nut and the first upper fastening nut, and the second upper fastening nut and the second lower fastening nut. This can effectively lock the position of the threaded rod to prevent it from loosening during operation, thereby ensuring the high stability of the bracket and the pressure plate. At the same time, the corrugated plate on the side plate effectively fixes the side edge of the material plate by increasing friction, preventing it from displacement during processing, further improving the positioning accuracy and processing effect of the bending machine.

[0005] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: an auxiliary positioning device for a bending machine, comprising a base, a bidirectional screw is provided inside the base, side plates are movably connected on both sides of the bidirectional screw, and the side surfaces of the side plates are fixedly connected to support plates and corrugated plates; a first threaded rod is provided on the top of the side plate, a bracket is fixedly connected to the lower surface of the first threaded rod, a first lower fastening nut and a first upper fastening nut are provided on the first threaded rod, a second threaded rod is provided on the outside of the bracket, a second upper fastening nut and a second lower fastening nut are provided on the second threaded rod, and a pressure plate is fixedly connected to the lower surface of the second threaded rod. Through the above device, through the cooperation of the corrugated plate, the first lower fastening nut, the first upper fastening nut, the second upper fastening nut and the second lower fastening nut, the stable positioning and pressing of the workpiece are achieved, thereby improving the processing accuracy and efficiency of the bending machine.

[0006] Furthermore, the base is provided with a movable groove, which is located inside the bidirectional screw rod. The other end of the bidirectional screw rod is fixedly connected to a knob, which is located on the side of the base. With the above device, the bidirectional screw rod is rotated by rotating the knob to achieve left and right movement of the side plate, which facilitates the positioning and adjustment of the workpiece.

[0007] Furthermore, the support plate and the corrugated plate are located on the inner side of the side plate, the corrugated plate is located above the support plate, and a first rubber pad is provided on the upper surface of the support plate. Through the above device, the corrugated plate and the rubber pad increase friction, ensuring the stability of the workpiece during processing.

[0008] Furthermore, the side plate is provided with a groove, and the first threaded rod is located inside the groove. Through the above device, the first threaded rod in the groove can be better fixed to avoid damage to it by the external environment.

[0009] Furthermore, the bracket is located just above the support plate, and the bracket is located on the inner side of the base. Through the above device, the bracket provides support for the threaded rod and the pressure plate, ensuring the stability of the overall structure.

[0010] Furthermore, the first lower fastening nut is located below the first upper fastening nut, the first lower fastening nut is in contact with the inner top surface of the groove, and the first upper fastening nut is in contact with the upper surface of the side plate. With the above device, the upper and lower fastening nuts cooperate to lock the position of the first threaded rod, preventing it from loosening during processing.

[0011] Furthermore, the second upper fastening nut is located above the second lower fastening nut, the second upper fastening nut is in contact with the upper surface of the bracket, and the second lower fastening nut is in contact with the lower surface of the bracket. Through the above device, the position of the second threaded rod is locked by the cooperation of the upper and lower fastening nuts, ensuring the height stability of the pressure plate.

[0012] Furthermore, the pressing plate is located directly above the support plate, and a second rubber pad is provided on the lower surface of the pressing plate. Through the above device, the workpiece is pressed tightly by the pressing plate and the rubber pad to prevent displacement of the workpiece during processing and ensure processing accuracy.

[0013] Compared with the existing technology, the technical solution of this application has the following beneficial effects:

[0014] This auxiliary positioning device for a press brake, through the cooperation of a corrugated plate, a first lower fastening nut, a first upper fastening nut, a second upper fastening nut, and a second lower fastening nut, sets a first threaded rod and a second threaded rod in the side plate, respectively equipped with a first lower fastening nut and a first upper fastening nut, and a second upper fastening nut and a second lower fastening nut, can effectively lock the position of the threaded rod to prevent it from loosening during operation, thereby ensuring the high stability of the bracket and the pressure plate. At the same time, the corrugated plate on the side plate effectively fixes the side edge of the material plate by increasing friction, preventing it from shifting during processing, further improving the positioning accuracy and processing effect of the press brake. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the front view of the auxiliary positioning device for a bending machine of the utility model;

[0016] Figure 2 This is a left view of the auxiliary positioning device for a bending machine of the utility model;

[0017] Figure 3 This is a top view of the auxiliary positioning device for a bending machine of the utility model;

[0018] Figure 4 This is the auxiliary positioning device of the bending machine Figure 1 Enlarged view of point A in the middle;

[0019] Figure 5 This is the auxiliary positioning device of the bending machine Figure 2 Enlarged view of point B in the middle.

[0020] In the figure: 1. Base; 2. Moving groove; 3. Bidirectional screw; 4. Side plate; 5. Support plate; 6. First rubber pad; 7. Corrugated plate; 8. First threaded rod; 9. First lower fastening nut; 10. First upper fastening nut; 11. Bracket; 12. Second threaded rod; 13. Second upper fastening nut; 14. Second lower fastening nut; 15. Pressing plate; 16. Second rubber pad; 17. Knob. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0022] See also Figure 1-5 The cam 17 is a kind of fixed device for adjusting the position of the workpiece 3, and the cam 17 is a kind of fixed device for adjusting the position of the workpiece 3. The cam 17 is a kind of fixed device for adjusting the position of the workpiece 3, and the cam 17 is a kind of fixed device for adjusting the position of the workpiece 3.

[0023] A first threaded rod 8 is provided at the top inner side panel 4, and the first threaded rod 8 is used to adjust the position of the bracket 11 to achieve height adjustment. A groove is provided on the side panel 4, and the first threaded rod 8 is located inside the groove. The lower surface of the first threaded rod 8 is fixedly connected to the bracket 11, and the bracket 11 provides support for the second threaded rod 12 and the pressure plate 15 to ensure structural stability. The bracket 11 is located directly above the support plate 5, and the bracket 11 is located on the inner side of the base 1. A first lower fastening nut 9 and a first upper fastening nut 10 are provided on the first threaded rod 8. The first lower fastening nut 9 and the first upper fastening nut 10 fix the position of the first threaded rod 8 to prevent it from moving up and down. The first lower fastening nut 9 is located below the first upper fastening nut 10, and the first lower fastening nut 9 is in contact with the inner top surface of the groove, and the first upper fastening nut 10 is in contact with the upper surface of the side panel 4. A second The threaded rod 12 and the second threaded rod 12 are used to adjust the position of the pressure plate 15 to achieve height adjustment. The second threaded rod 12 is provided with a second upper fastening nut 13 and a second lower fastening nut 14. The second upper fastening nut 13 and the second lower fastening nut 14 fix the position of the second threaded rod 12 to prevent it from moving up and down. The second upper fastening nut 13 is located above the second lower fastening nut 14. The second upper fastening nut 13 is in contact with the upper surface of the bracket 11. The second lower fastening nut 14 is in contact with the lower surface of the bracket 11. The lower surface of the second threaded rod 12 is fixedly connected with a pressure plate 15. The pressure plate 15 fixes the workpiece by applying pressure to ensure its stability during processing. The pressure plate 15 is located directly above the support plate 5. The lower surface of the pressure plate 15 is provided with a second rubber pad 16. The second rubber pad 16 increases the friction with the workpiece to prevent the workpiece from moving during processing.

[0024] Working principle: When in use, by rotating the knob 17 on the side of the base 1, the bidirectional screw 3 is driven to move the side panels 4 toward each other in the movable slot 2 on the base 1 to adjust the position of the side panels 4. The corrugated plate 7 on the side panel 4 fixes the side of the material plate by increasing friction to prevent it from moving. The first rubber pad 6 on the support plate 5 further increases friction to ensure the stability of the workpiece. The first threaded rod 8 on the top of the side panel 4 is fixed in position by the first lower fastening nut 9 and the first upper fastening nut 10, and the position of the bracket 11 is adjusted. The second threaded rod 12 on the outside of the bracket 11 is fixed in position by the second upper fastening nut 13 and the second lower fastening nut 14, and the position of the pressure plate 15 is adjusted. The second rubber pad 16 on the pressure plate 15 increases friction to ensure that the workpiece does not move during processing, thereby achieving stable positioning and compression of the workpiece and ensuring the processing accuracy and efficiency of the bending machine.

[0025] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bending machine auxiliary positioning device, comprising a base (1), characterized in that: A bidirectional screw rod (3) is arranged inside the base (1), and side plates (4) are movably connected to both sides of the bidirectional screw rod (3), and a support plate (5) and a corrugated plate (7) are fixedly connected to the side surface of the side plate (4); A first threaded rod (8) is arranged at the top of the inner side plate (4), a bracket (11) is fixedly connected to the lower surface of the first threaded rod (8), a first lower fastening nut (9) and a first upper fastening nut (10) are arranged on the first threaded rod (8), a second threaded rod (12) is arranged outside the bracket (11), a second upper fastening nut (13) and a second lower fastening nut (14) are arranged on the second threaded rod (12), and a pressure plate (15) is fixedly connected to the lower surface of the second threaded rod (12).

2. The auxiliary positioning device for a bending machine according to claim 1, characterized in that: The base (1) is provided with a movable groove (2), the movable groove (2) is located inside the bidirectional screw rod (3), the other end of the bidirectional screw rod (3) is fixedly connected with a knob (17), and the knob (17) is located on the side of the base (1).

3. The auxiliary positioning device for a bending machine according to claim 1, characterized in that: The support plate (5) and the corrugated plate (7) are located on the inner side of the side plate (4); the corrugated plate (7) is located above the support plate (5); and a first rubber pad (6) is provided on the upper surface of the support plate (5).

4. The auxiliary positioning device for a bending machine according to claim 1, characterized in that: The side plate (4) is provided with a groove, and the first threaded rod (8) is located inside the groove.

5. The auxiliary positioning device for a bending machine according to claim 1, characterized in that: The bracket (11) is located directly above the support plate (5), and the bracket (11) is located on the inner side of the base (1).

6. The auxiliary positioning device for a bending machine according to claim 4, characterized in that: The first lower fastening nut (9) is located below the first upper fastening nut (10), the first lower fastening nut (9) is in contact with the inner top surface of the groove, and the first upper fastening nut (10) is in contact with the upper surface of the side plate (4).

7. The auxiliary positioning device for a bending machine according to claim 1, characterized in that: The second upper fastening nut (13) is located above the second lower fastening nut (14), the second upper fastening nut (13) is in contact with the upper surface of the bracket (11), and the second lower fastening nut (14) is in contact with the lower surface of the bracket (11).

8. The auxiliary positioning device for a bending machine according to claim 1, characterized in that: The pressing plate (15) is located directly above the supporting plate (5), and a second rubber pad (16) is provided on the lower surface of the pressing plate (15).

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