Pipe bending die for pipe bending machine

Abstract

The utility model provides a pipe bending die for a pipe bending machine, which comprises a main pipe bending die body, a jacking side pressing plate body and a pipe bending connection driving arm body, and the jacking side pressing plate body and the pipe bending connection driving arm body are respectively arranged on two sides of the main pipe bending die body. The heights of the main bent pipe die body, the jacking side pressing plate body and the bent pipe connecting driving arm body are located on the same horizontal line; the main pipe bending die body comprises a die disc, a connecting screw rod, an upper clamping disc, a lower clamping disc, a fixing nut and a pipe clamping body, and the connecting screw rod penetrates through the interior of the die disc. The upper clamping disc, the lower clamping disc and the fixing nut are tightened for fixation, and operation is easy and convenient; the limiting lead screw is rotated to adjust the distance between the angle plate body and the sliding wheel and the mold disc and the forming groove, and the requirement for pipe bending operation of pipes of different models is met; and the requirement for installation of multiple types of pipe bending machines is met, and practicability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical processing, and in particular relates to a pipe bending die for a pipe bending machine. Background Art

[0002] Pipe bending machines can be roughly divided into CNC pipe bending machines, hydraulic pipe bending machines, etc. They are mainly used for laying and repairing pipes in power construction, road and railway construction, boilers, bridges, ships, furniture, decoration, etc. They have the advantages of multiple functions, reasonable structure, and simple operation. In addition to the pipe bending function, this machine can also use the cylinder as a hydraulic jack. Compared with CNC pipe bending equipment, it has the characteristics of low price and easy use, and occupies a leading position in the domestic pipe bending machine market.

[0003] The pipe bending die is a key tool in the pipe bending process. It is assembled on the pipe bending equipment and includes a bending die and a clamping die. The clamping die cooperates with the clamping surface at the front end of the bending die to clamp the pipe. The clamping die rotates synchronously with the bending die, and the pipe is bent around the bending die to complete a bending process. However, the existing pipe bending die on the pipe bending machine still has the problem that it is not convenient to connect and fix with the machine tool of the pipe bending machine, and it is not convenient to adjust and apply according to the different types of pipes required for the pipe bending operation.

[0004] In view of this, it is very necessary to invent a pipe bending die for a pipe bending machine. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a bending mold for a pipe bending machine to solve the problem that the bending mold on the existing pipe bending machine is not convenient to be connected and fixed with the machine tool of the pipe bending machine, and is not convenient to adjust and adapt according to the different pipe models required for the bending operation.

[0006] A pipe bending die for a pipe bending machine, comprising a main pipe bending die body, a top tightening side pressure plate body, and a pipe bending connection driving arm body, wherein the top tightening side pressure plate body and the pipe bending connection driving arm body are respectively arranged at specific two side positions of the main pipe bending die; the main pipe bending die body, the top tightening side pressure plate body and the pipe bending connection driving arm body are located at the same horizontal line;

[0007] The main bending pipe mold body includes a mold plate, a connecting screw, an upper clamping plate, a molding groove, a lower clamping plate, a fixing nut and a clamping tube body. The connecting screw passes through the interior of the mold plate; the upper and lower parts of the outer surface of the connecting screw are provided with threads; the upper clamping plate is threadedly connected to the upper part of the connecting screw; the lower clamping plate is threadedly connected to the lower part of the connecting screw; the molding groove is integrally arranged around the inner side of the mold plate; the fixing nut is threadedly connected to the lower part of the connecting screw and is tightened to the lower part of the lower clamping plate.

[0008] Preferably, the clamping tube body is screwed to the right side of the mold plate; and the clamping tube body is a square steel tube.

[0009] Preferably, the tightening side pressure plate body further includes a fixed angle seat, a connecting base plate, fixing bolts, a clamping seat and a groove body, and the connecting base plate is integrally arranged on the left and right sides of the lower part of the fixed angle seat; the fixing bolts are respectively threadedly connected to the lower part of the connecting base plate; the clamping seat is bolted to the left side of the fixed angle seat; and the groove body is integrally opened on the left side of the fixed angle seat.

[0010] Preferably, the bent pipe connecting driving arm body also includes a constraint card plate, an embedded nut, a limit screw and an embedded bearing, the embedded nut is embedded in the inner right position of the constraint card plate; the limit screw is transversely threadedly connected to the inner middle position of the constraint card plate.

[0011] Preferably, an angle plate body is movably sleeved at the inner top end of the limiting screw rod, and a sliding wheel is axially connected to the inner lower portion of the angle plate body.

[0012] Preferably, an adjusting clamping tube is welded at the inner top end of the limiting screw rod, and a reserved hole is opened on the outside of the adjusting clamping tube.

[0013] Preferably, the embedded bearing is embedded in the top right side of the restraining card; the restraining card is arranged in a "U" shape.

[0014] Preferably, two embedded bearings are provided; the embedded bearings are sleeved on the outer surfaces of the upper clamping plate and the lower clamping plate.

[0015] Preferably, the limiting screw is threadedly connected to the inner ring of the embedded nut.

[0016] Preferably, the groove body of the clamping seat and the forming groove form a circular arrangement.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The pipe bending die for the pipe bending machine is conveniently installed on the upper part of the machine tool of the pipe bending machine by fixing the angle seat, connecting the bottom plate and the fixing bolts, and the connecting screw is passed through the die plate and the machine tool body of the pipe bending machine, and the upper clamping plate, the lower clamping plate and the fixing nut are tightened to fix them, which is simple and convenient to operate; the limit screw rod is rotated to adjust the distance between the angle plate body and the sliding wheel and the die plate and the forming groove to meet the needs of pipe bending operations of different types of pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model.

[0020] Figure 2It is a specific structural schematic diagram of the main pipe bending die of the utility model.

[0021] Figure 3 It is a structural schematic diagram of the top tightening side pressure plate body of the utility model.

[0022] Figure 4 It is a structural schematic diagram of a curved pipe connected to a driving arm body of the utility model.

[0023] Figure 5 It is a partial top view structural schematic diagram of the constraint clamping plate of the utility model.

[0024] In the figure:

[0025] 1. Main bending tube mold body; 11. Mold plate; 12. Connecting screw; 13. Upper clamping plate; 14. Molding groove; 15. Lower clamping plate; 16. Fixing nut; 17. Clamping tube body; 2. Tightening side pressure plate body; 21. Fixed angle seat; 22. Connecting bottom plate; 23. Fixing bolt; 24. Clamping seat; 25. Groove body; 3. Bending tube connecting driving arm body; 31. Constraint clamping plate; 32. Embedded nut; 33. Limiting screw; 331. Angle plate body; 3311. Sliding wheel; 332. Adjusting clamping tube; 3321. Reserved hole; 34. Embedded bearing. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with the accompanying drawings:

[0027] Example:

[0028] As attached Figure 1 To Attachment Figure 2 As shown, the utility model provides a tube bending mold for a tube bending machine, comprising a main tube bending mold body 1, a top tightening side pressure plate body 2, and a tube bending connection driving arm body 3, wherein the top tightening side pressure plate body 2 and the tube bending connection driving arm body 3 are respectively arranged at two sides of the main tube bending mold body 1; the main tube bending mold body 1, the top tightening side pressure plate body 2 and the tube bending connection driving arm body 3 are located at the same horizontal line;

[0029] The main bending pipe mold body 1 includes a mold plate 11, a connecting screw 12, an upper clamping plate 13, a molding groove 14, a lower clamping plate 15, a fixing nut 16 and a clamping tube body 17. The connecting screw 12 passes through the interior of the mold plate 11; the upper and lower parts of the outer surface of the connecting screw 12 are provided with threads; the upper clamping plate 13 is threadedly connected to the upper part of the connecting screw 12; the lower clamping plate 15 is threadedly connected to the lower part of the connecting screw 12; the molding groove 14 is integrally arranged around the inner side of the mold plate 11; the fixing nut 16 is threadedly connected to the lower part of the connecting screw 12 and is tightened to the lower part of the lower clamping plate 15; the clamping tube body 17 is screwed to the right side of the mold plate 11; the clamping tube body 17 is set as a square steel pipe.

[0030] As attached Figure 3 As shown, in the above implementation scheme, specifically, the tightening side pressure plate body 2 includes a fixed angle seat 21, a connecting base plate 22, a fixing bolt 23, a clamping seat 24 and a groove body 25, and the connecting base plate 22 is integrally arranged on the left and right sides of the lower part of the fixed angle seat 21; the fixing bolts 23 are respectively threadedly connected to the lower part of the connecting base plate 22; the clamping seat 24 is bolted to the left side of the fixed angle seat 21; the groove body 25 is integrally opened on the left side of the fixed angle seat 21; the groove body 25 of the clamping seat 24 and the forming groove 14 form a circular setting.

[0031] As attached Figure 4 To Attachment Figure 5 As shown, in the above implementation scheme, specifically, the bent pipe connecting driving arm body 3 also includes a constraint card plate 31, and the embedded bearing 34 is embedded in the right top end of the constraint card plate 31; the constraint card plate 31 is set in a "U" shape; the embedded nut 32 is embedded in the internal right position of the constraint card plate 31; the limiting screw rod 33 is horizontally threadedly connected to the internal middle position of the constraint card plate 31.

[0032] In the above implementation scheme, specifically, the inner top position of the limiting screw rod 33 is movably sleeved with an angle plate body 331, and the inner lower axis of the angle plate body 331 is connected with a sliding wheel 3311; the inner top position of the limiting screw rod 33 is welded with an adjusting clamping tube 332, and a reserved hole 3321 is opened on the outside of the adjusting clamping tube 332.

[0033] In the above implementation scheme, specifically, two embedded bearings 34 are provided; the embedded bearings 34 are sleeved on the outer surfaces of the upper clamping plate 13 and the lower clamping plate 15 ; the limiting screw rod 33 is threadedly connected to the inner ring of the embedded nut 32 .

[0034] The working process of the utility model is as follows: the connecting screw 12 is passed through the mold plate 11, the mold plate 11 and the bending pipe connecting driving arm body 3 are installed on the machine tool of the pipe bending machine, and the lower clamping plate 15 and the fixing nut 16 are tightened to fix them; the fixed angle seat 21 and the connecting base plate 22 are installed on the machine tool of the pipe bending machine with the fixing bolt 23, and are located on one side of the mold plate 11. When in use, the pipe to be bent is inserted into the inner side of the constraint clamping plate 31, and the limiting screw rod 33 is turned clockwise to move the angle plate body 331 and the sliding wheel 3311 close to one side of the pipe. The driving device of the pipe bending machine pushes the adjusting clamping tube 332 to push the pipe, and the bending operation is performed around the forming groove 14 of the mold plate 11.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A pipe bending die for a pipe bending machine, characterized in that: The pipe bending mold for a pipe bending machine comprises a main pipe bending mold body (1), a top tightening side pressure plate body (2), and a pipe bending connection driving arm body (3), wherein the top tightening side pressure plate body (2) and the pipe bending connection driving arm body (3) are respectively arranged at two sides of the main pipe bending mold body (1); the main pipe bending mold body (1), the top tightening side pressure plate body (2) and the pipe bending connection driving arm body (3) are located at the same horizontal line; The main bending pipe mold body (1) further comprises a mold plate (11), a connecting screw (12), an upper clamping plate (13), a molding groove (14), a lower clamping plate (15), a fixing nut (16) and a clamping tube body (17). The connecting screw (12) passes through the interior of the mold plate (11); the upper and lower parts of the outer surface of the connecting screw (12) are provided with threads; the upper clamping plate (13) is threadedly connected to the upper part of the connecting screw (12); the lower clamping plate (15) is threadedly connected to the lower part of the connecting screw (12); the molding groove (14) is integrally arranged around the inner side of the mold plate (11); the fixing nut (16) is threadedly connected to the lower part of the connecting screw (12) and is pressed against the lower part of the lower clamping plate (15).

2. The pipe bending die for a pipe bending machine according to claim 1, characterized in that: The clamping tube body (17) is screw-connected to the right side of the mold plate (11); the clamping tube body (17) is a square steel tube.

3. The pipe bending die for a pipe bending machine according to claim 1, characterized in that: The tightening side pressure plate body (2) further comprises a fixed angle seat (21), a connecting base plate (22), a fixing bolt (23), a clamping seat (24) and a groove body (25); the connecting base plate (22) is integrally arranged at the left and right sides of the lower part of the fixed angle seat (21); the fixing bolts (23) are respectively threadedly connected to the lower part of the connecting base plate (22); the clamping seat (24) is bolted to the left side of the fixed angle seat (21); and the groove body (25) is integrally opened at the left side of the fixed angle seat (21).

4. The pipe bending die for a pipe bending machine according to claim 1, characterized in that: The bent pipe connecting driving arm body (3) further comprises a restraining card plate (31), an embedded nut (32), a limiting screw rod (33) and an embedded bearing (34), wherein the embedded nut (32) is embedded in the right inner position of the restraining card plate (31); and the limiting screw rod (33) is transversely threadedly connected to the inner middle position of the restraining card plate (31).

5. The pipe bending die for a pipe bending machine according to claim 4, characterized in that: The inner top end of the limiting screw rod (33) is movably sleeved with an angle plate body (331), and the inner lower part of the angle plate body (331) is axially connected with a sliding wheel (3311).

6. The pipe bending die for a pipe bending machine according to claim 4, characterized in that: An adjusting clamping tube (332) is welded at the inner top end of the limiting screw rod (33), and a reserved hole (3321) is opened on the outside of the adjusting clamping tube (332).

7. The pipe bending die for a pipe bending machine according to claim 4, characterized in that: The embedded bearing (34) is embedded in the top right side of the restraining card plate (31); the restraining card plate (31) is arranged in a "U" shape.

8. The pipe bending die for a pipe bending machine according to claim 4, characterized in that: Two embedded bearings (34) are provided; the embedded bearings (34) are sleeved on the outer surfaces of the upper clamping plate (13) and the lower clamping plate (15).

9. The pipe bending die for a pipe bending machine according to claim 4, characterized in that: The limiting screw rod (33) is threadedly connected to the inner ring of the embedded nut (32).

10. The pipe bending die for a pipe bending machine according to claim 3, characterized in that: The groove body (25) of the clamping seat (24) and the forming groove (14) form a circular arrangement.

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