CN220239717U - Curved pipe bending die convenient for blanking - Google Patents

Abstract

The utility model discloses a curved pipe bending die convenient for blanking, which comprises a bottom plate, wherein an L-shaped plate is fixedly connected to the back position of the top of the bottom plate, a hydraulic cylinder is fixedly arranged at the top of the L-shaped plate, a telescopic end of the hydraulic cylinder penetrates through a transverse plate of the L-shaped plate and is fixedly connected with a concave plate, and a curved pipe pressing die is rotatably connected between the front surface and the back surface of an inner cavity of the concave plate through a bearing.

Description

Curved pipe bending die convenient for blanking

Technical Field

The utility model relates to the technical field of pipe bending molds, in particular to a curved pipe bending mold convenient for blanking.

Background

The tool for forming the blank into a workpiece with a specific shape and size under the action of external force is widely used for blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and the forming processing of compression molding or injection molding of engineering plastics, rubber, ceramics and other products, and the die has a specific contour or cavity shape, and the blank can be separated according to the contour shape by applying the contour shape with a cutting edge.

The pipe bending die is a die for pressing and forming the pipe bending, and the prior art discloses a pipe bending die which is easy to enable a pipe to be tightly stuck with support rollers on two sides under extrusion of a pipe bending die when bending the pipe, so that when blanking is caused, a worker is required to pull the pipe bending upwards, and blanking can be realized. The blanking mode increases the labor intensity of staff, reduces the pipe bending efficiency, can not meet the use requirement of customers,

therefore, we propose a curved pipe bending die convenient for blanking, and solve the problems set forth above.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide a curved pipe bending die convenient for blanking, which has the advantage of being convenient for blanking when the bending die is used, and solves the problem that the existing bending die is inconvenient for blanking when the bending die is used.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a curved pipe bending die convenient to unloading, includes the bottom plate, the back position fixedly connected with L template at bottom plate top, the top fixed mounting of the diaphragm of L template has hydraulic cylinder, the flexible end of hydraulic cylinder runs through the diaphragm of L template and fixedly connected with concave template, be connected with the return bend moulding-die through the bearing rotation between the front and the back of concave template inner chamber, the equal sliding connection in left and right sides at L template inner chamber back has the slide plate, the back roller that the positive fixedly connected with and the return bend moulding-die cooperation of slide plate used, the top of bottom plate and the below embedded type that is located the return bend moulding-die install the locating box, the inner chamber sliding connection of locating box has the slide, the bottom fixedly connected with pressure spring of slide, the junction fixedly connected with movable column of bottom and the locating box of pressure spring, the top fixedly connected with roof of movable column.

Preferably, the back fixedly connected with traveller of pulley, the riser and the threaded connection of L template are run through at the back of traveller, limit nut's surface and the junction of L template closely laminate.

Preferably, the left side and the right side of the back of the inner cavity of the L-shaped plate are provided with moving grooves matched with the sliding columns, and the sliding columns are positioned in the inner cavities of the moving grooves.

Preferably, the four corners of bottom plate bottom all fixedly connected with supporting leg, the bottom fixedly connected with rubber pad of supporting leg.

Preferably, the left side and the right side of the inner cavity of the positioning box are provided with slide ways matched with the slide plates, and the outer surfaces of the slide plates are in sliding connection with the inner surfaces of the slide ways.

Preferably, the outer surface of the concave plate is in sliding connection with the joint of the L-shaped plate, and the top of the positioning box is provided with a through hole matched with the movable column.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the bottom plate, the L-shaped plate, the hydraulic oil cylinder, the concave plate, the bending press die, the sliding plate and the supporting roller are arranged, so that the pipeline can be bent; through setting up locating box, slide, pressure spring, movable column and roof, can conveniently carry out ejecting unloading to the pipeline after bending. Through the arrangement of the structure, the pipe bending die has the advantage of being convenient for blanking when the pipe bending die is used, solves the problem that the existing pipe bending die is inconvenient for blanking when the pipe bending die is used, and indirectly improves pipe bending efficiency to a certain extent.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of a structure of a positioning box according to the present utility model;

FIG. 3 is an enlarged view of the structure of FIG. 2 at A;

fig. 4 is a top view of a strut structure according to the present utility model.

In the figure:

1. a bottom plate; 2. an L-shaped plate; 3. a hydraulic cylinder; 4. a concave plate; 5. bending and pressing; 6. a slide plate; 7. a support roller; 8. a positioning box; 9. a slide plate; 10. a pressure spring; 11. a movable column; 12. a top plate; 13. a spool; 14. a limit nut; 15. a moving groove; 16. support legs; 17. a rubber pad; 18. and a slideway.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, an embodiment of the present utility model discloses a curved pipe bending mold for facilitating blanking, which includes: a base plate 1;

the back position of the top of the bottom plate 1 is fixedly connected with an L-shaped plate 2, the top of the L-shaped plate 2 is fixedly provided with a hydraulic cylinder 3, the telescopic end of the hydraulic cylinder 3 penetrates through the transverse plate of the L-shaped plate 2 and is fixedly connected with a concave plate 4, the right and left sides of the back of the inner cavity of the concave plate 4, which are rotatably connected with the back of the inner cavity of the pipe bending die 5,L through bearings, are both slidingly connected with a slide plate 6, the front of the slide plate 6 is fixedly connected with a supporting roller 7 matched with the pipe bending die 5,

the top of bottom plate 1 is in the embedded locating box 8 that installs in the below position department that is located return bend moulding-die 5, and the inner chamber sliding connection of locating box 8 has slide 9, and the bottom fixedly connected with pressure spring 10 of slide 9, the junction fixedly connected with of the bottom of pressure spring 10 and locating box 8, the top fixedly connected with movable post 11 of slide 9, the top fixedly connected with roof 12 of movable post 11. The top of the positioning box 8 is provided with a through hole matched with the movable column 11. By providing the through hole, the movable column 11 can be moved conveniently.

It should be noted that, the top plate 12 has a curved surface corresponding to the bent pipe, and the top plate 12 is only schematically shown in fig. 1 and 2, and the shape of the top plate 12 should not be construed as being particularly limited.

In the embodiment, the pipe can be bent by arranging the bottom plate 1, the L-shaped plate 2, the hydraulic oil cylinder 3, the concave plate 4, the bending die 5, the sliding plate 6 and the supporting roller 7; through setting up locating box 8, slide 9, pressure spring 10, movable column 11 and roof 12, can conveniently carry out ejecting unloading to the pipeline after bending. Therefore, by arranging the structure, the pipe bending die has the advantage of being convenient for blanking when in use, solves the problem that the existing pipe bending die is inconvenient for blanking when in use, can meet the use requirement of customers, and indirectly improves pipe bending efficiency.

As a technical optimization scheme of the utility model, the back of the slide plate 6 is fixedly connected with a slide column 13, the back of the slide column 13 penetrates through the vertical plate of the L-shaped plate 2 and is in threaded connection with a limit nut 14, and the outer surface of the limit nut 14 is tightly attached to the joint of the L-shaped plate 2. In this embodiment: by providing the slide post 13 and the limit nut 14, the joint between the slide plate 6 and the L-shaped plate 2 can be adjusted and limited.

As a technical optimization scheme of the utility model, the left side and the right side of the back surface of the inner cavity of the L-shaped plate 2 are provided with the moving grooves 15 matched with the sliding columns 13, and the sliding columns 13 are positioned in the moving grooves 15. In this embodiment, the slide column 13 can be moved conveniently by providing the moving groove 15.

As a technical optimization scheme of the utility model, four corners of the bottom plate 1 are fixedly connected with supporting legs 16, and the bottoms of the supporting legs 16 are fixedly connected with rubber pads 17. In this embodiment, the device can be supported conveniently by providing the support legs 16 and the rubber pads 17.

As a technical optimization scheme of the utility model, slide ways 18 matched with the slide plate 9 are arranged on the left side and the right side of the inner cavity of the positioning box 8, and the outer surface of the slide plate 9 is in sliding connection with the inner surface of the slide way 18. By providing the slide way 18, the slide plate 9 can be supported and guided conveniently.

Working principle: when a pipeline is required to be bent, an operator sequentially moves the supporting rollers 7 at two sides, so that the supporting rollers 7 drive the sliding plate 6 and the sliding column 13 to slide in the moving groove 15 to move to a proper bending position, then, the operator sequentially rotates the limit nuts 14 at two sides, so that the limit nuts 14 are tightly attached to the connecting part of the L-shaped plate 2 in a threaded rotating manner on the outer surface of the sliding column 13, the connecting part of the sliding plate 6 and the L-shaped plate 2 is limited, and the adjustment of the supporting position of the supporting rollers 7 is completed;

then, the staff places the pipeline at the top of two backing rolls 7, simultaneously, bend the position and correspond with return bend moulding-die 5, and the operation personnel starts hydraulic cylinder 3 external control ware for hydraulic cylinder 3's flexible end drives concave template 4 and removes, and concave template 4 drives return bend moulding-die 5 simultaneously and removes, makes return bend moulding-die 5 carry out the downward extrusion bending to the pipeline, and when the pipeline was bent downwards, pipeline extrusion roof 12 removed, makes roof 12 drive movable post 11 remove downwards, simultaneously, movable post 11 drive slide 9 slides the removal extrusion pressure spring 10 at the internal surface of slide 18. After the pipeline is bent, the staff starts the external controller of the hydraulic cylinder 3 again, so that the telescopic end of the hydraulic cylinder 3 drives the concave plate 4 and the bent pipe pressing die 5 to move upwards to be far away from the pipeline, meanwhile, the pressure spring 10 pushes the sliding plate 9 to move reversely on the inner surface of the sliding way 18 under the reaction force, so that the sliding plate 9 drives the movable column 11 and the top plate 12 to move reversely, and the top plate 12 ejects and discharges the bent pipeline upwards.

The standard parts used in the application file can be purchased from the market, and can be customized according to the description of the specification and the drawing, the specific connection modes of the parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machines, the parts and the equipment adopt conventional models in the prior art, the control mode is controlled automatically by a controller, a control circuit of the controller can be realized by simple programming of a person skilled in the art, the control method belongs to common knowledge in the art, and the application file is mainly used for protecting a mechanical device, so the control mode and circuit connection are not explained in detail.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. Bent pipe bending die convenient for blanking, and is characterized in that: comprising the following steps:

a bottom plate (1);

an L-shaped plate (2) is fixedly connected to the back position of the top of the bottom plate (1), a hydraulic cylinder (3) is fixedly arranged at the top of the L-shaped plate (2), a telescopic end of the hydraulic cylinder (3) penetrates through a transverse plate of the L-shaped plate (2) and is fixedly connected with a concave plate (4), and an elbow pressing die (5) is rotatably connected between the front surface and the back surface of an inner cavity of the concave plate (4) through a bearing;

the left side and the right side of the vertical plate of the L-shaped plate (2) are both connected with a sliding plate (6) in a sliding way, and the front surface of the sliding plate (6) is fixedly connected with a supporting roller (7) matched with the elbow pressing die (5);

the top of bottom plate (1) is located the embedded locating box (8) of the below position department of return bend moulding-die (5), the inner chamber sliding connection of locating box (8) has slide (9), the bottom fixedly connected with pressure spring (10) of slide (9), the junction fixedly connected with of the bottom of pressure spring (10) and locating box (8), the top fixedly connected with movable post (11) of slide (9), the top fixedly connected with roof (12) of movable post (11).

2. The curved pipe bending die facilitating blanking according to claim 1, wherein: the back fixedly connected with traveller (13) of slide (6), the riser and the threaded connection of the back penetration L template (2) of traveller (13) have limit nut (14), the junction of the surface and L template (2) of limit nut (14) closely laminates.

3. The curved pipe bending die facilitating blanking according to claim 2, wherein: the left side and the right side of the vertical plate of the L-shaped plate (2) are respectively provided with a moving groove (15) matched with the sliding column (13), and the sliding column (13) is positioned in the moving grooves (15).

4. The curved pipe bending die facilitating blanking according to claim 1, wherein: four corners of the bottom plate (1) are fixedly connected with supporting legs (16), and the bottoms of the supporting legs (16) are fixedly connected with rubber pads (17).

5. The curved pipe bending die facilitating blanking according to claim 1, wherein: slide ways (18) matched with the slide plate (9) for use are arranged on the left side and the right side of the inner cavity of the positioning box (8), and the outer surface of the slide plate (9) is in sliding connection with the inner surface of the slide way (18).

6. The curved pipe bending die convenient for blanking according to claim 1, wherein a through hole matched with the movable column (11) is formed in the top of the positioning box (8).