CN219052530U

CN219052530U - Round bending die

Info

Publication number: CN219052530U
Application number: CN202320166962.9U
Authority: CN
Inventors: 朱丽佳; 苏文婷; 冉成进; 张晓晓
Original assignee: SHANGHAI YONGFENG HOT-DIP GALVANIZING CO LTD
Current assignee: SHANGHAI YONGFENG HOT-DIP GALVANIZING CO LTD
Priority date: 2023-01-29
Filing date: 2023-01-29
Publication date: 2023-05-23
Anticipated expiration: 2033-01-29

Abstract

The application discloses a rounding die relates to the field of pipe processing, and comprises a die main body and a platform plate, wherein the die main body is positioned on the upper surface of the platform plate and is in a semicircular structure, and the semicircular curvature center line of the die main body is perpendicular to the upper surface of the platform plate; the upper surface of platform board can be dismantled and be connected with a plurality of semicircle rings, the semicircle ring is located the cambered surface side of mould main part, each semicircle ring is followed the radial concentric amalgamation setting in proper order of mould main part, the arcwall face of mould main part with the evagination face of semicircle ring all is equipped with the design groove, the design groove is followed the arc length direction of mould main part or the arc length direction extension setting of semicircle ring. The setting groove used for participating in pipe rounding work is replaced, so that the rounding radius of the pipe can be changed.

Description

Round bending die

Technical Field

The application relates to the field of pipe fitting machining, in particular to a rounding die.

Background

The pipeline material has wide application, and can be used for manufacturing various movable or fixed structures besides common fluid pipeline construction. Such as road guardrails, railing structures of buildings, etc.

The common street lamp pole is a pipe with radian, and the radian of the lamp pole is formed by bending a straight pipe by using a rounding device. The pipe is bent by using the bending die in a common pipe bending mode, and the bending die is used for bending the round pipe, so that the curvature of the bent part of the pipe is matched with the curvature of the circular arc. However, in general, each bending die corresponds to one bending radius, and when pipes with different bending radii are required to be produced, a plurality of different bending dies are required to be used, which is inconvenient.

Disclosure of Invention

In order to solve the problem that a round bending die for bending round pipes is single in radius of round bending pipes, the application provides a round bending die.

The application provides a curved circle mould adopts following technical scheme:

the rounding die comprises a die body and a platform plate, wherein the die body is positioned on the upper surface of the platform plate, the die body is in a semicircular structure, and the semicircular curvature center line of the die body is perpendicular to the upper surface of the platform plate; the upper surface of platform board can be dismantled and be connected with a plurality of semicircle rings, the semicircle ring is located the cambered surface side of mould main part, each semicircle ring is followed the radial concentric amalgamation setting in proper order of mould main part, the arcwall face of mould main part with the evagination face of semicircle ring all is equipped with the design groove, the design groove is followed the arc length direction of mould main part or the arc length direction extension setting of semicircle ring.

Through adopting above-mentioned technical scheme, when utilizing the crooked mould to carry out the crooked to tubular product, with the one end of tubular product location and laminating shaping tank's tank bottom, at this moment, through applying the moment of bending to the other end of tubular product to the direction that is close to the crooked mould, can make the tubular product bend round gradually, the camber of tubular product bend round depends on the camber of shaping tank bottom. The specifications of the shaping grooves positioned on the die main body and the shaping grooves positioned on different semicircular rings are different, and the bending radius of the pipe can be changed by changing the shaping grooves used for participating in the pipe bending work.

Optionally, a limiting piece is arranged on the upper surface of the platform plate, and a gap for inserting common pipes is formed between the limiting piece and the shaping groove.

By adopting the technical scheme, after one end of the pipe is inserted between the limiting piece and the shaping groove, the bending moment can be applied to the other end of the pipe.

Optionally, the locating part includes limiting plate and bottom plate, the lower part of limiting plate with bottom plate fixed connection, the bottom plate with be connected with a plurality of bolts jointly between the platform board, the bottom plate is equipped with a plurality of confession the through-hole that the bolt worn to establish, the platform board is equipped with the multiunit confession bolt threaded connection's screw hole, multiunit the bolt hole is followed the radial range in proper order of mould main part.

Through adopting above-mentioned technical scheme, the locating part passes through bottom plate and bolt to be connected with the platform board, when the bending mould utilized the design groove of different specifications to carry out the bending processing of different curvatures to tubular product, through the screw hole cooperation of bolt and different positions, make the locating part install the different positions on the platform board to make the locating part can carry out along the radial location of mould main part with the design groove of different specifications to the tip of tubular product jointly.

Optionally, the concave cambered surface of the semicircular ring is provided with a positioning protrusion extending along the arc length direction of the positioning protrusion, and the positioning protrusion is matched with the shaping groove of the adjacent semicircular ring or the shaping groove of the die main body; a plurality of locating pieces are arranged between each semicircular ring and the platform plate in a penetrating mode.

By adopting the technical scheme, the semicircular ring is inserted and matched with the adjacent semicircular ring through the shaping groove and the positioning bulge, and when the shaping groove is inserted and matched with the positioning bulge, the semicircular ring is subjected to the limiting effect perpendicular to the direction of the platform plate; under the condition that the positioning piece is jointly penetrated between the semicircular ring and the platform plate, the semicircular ring is subjected to a limiting effect parallel to the direction of the platform plate, so that the position of the limiting ring is kept stable, and when the pipe is bent by the bending die, the semicircular ring is not easy to move relative to the platform plate.

Optionally, the setting element includes the round pin body and cap, the one end of round pin body with the cap is connected, the one end that the round pin body kept away from the cap is equipped with the external screw thread, the round pin body through the external screw thread with platform board threaded connection.

Through adopting above-mentioned technical scheme, setting element and pedestal threaded connection, when the setting element screw thread locking, the cap compresses tightly the upper surface of semicircle ring, makes semicircle ring receive further fixed action.

Optionally, the upper surface of mould main part is equipped with the clamp plate, the round pin body with the clamp plate wears to establish to be connected, the cap be close to the surface butt of round pin body the upper surface of clamp plate.

Through adopting above-mentioned technical scheme, the locking force between the round pin body and the platform board acts on the semicircle board through the clamp plate, makes clamp plate and platform board clamp half-ring jointly, because the contact surface between clamp plate and the half-ring is great, is favorable to making the installation state of half-ring more stable.

Optionally, a rubber damping layer is arranged on one side of the pressing plate, which is close to the die main body.

Through adopting above-mentioned technical scheme, through setting up the rubber damping layer at the surface of clamp plate, can make the stability of being connected between clamp plate and the semicircle ring further strengthen.

Optionally, the semicircle ring is close to one side of clamp plate is equipped with first arc wall, the clamp plate is close to one side of mould main part is equipped with a plurality of second arc wall, a plurality of second arc wall and each between the first arc wall of semicircle ring one-to-one, first arc wall with correspond form the arc round hole between the second arc wall, each semicircle ring with be equipped with the arc pole between the clamp plate, the arc pole passes corresponding the arc round hole.

Through adopting above-mentioned technical scheme, form the arc round hole between the first arc wall on the semicircle ring and the second arc wall that corresponds on the clamp plate, the arc pole passes the arc round hole, makes arc pole embedding semicircle ring and clamp plate simultaneously, makes the connection between semicircle ring and the clamp plate further strengthen.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the specifications of the shaping grooves positioned on the die main body and the shaping grooves positioned on different semicircular rings are different, and the bending radius of the pipe can be changed by changing the shaping grooves used for participating in the pipe bending work.

2. The locking force between the pin body and the platform plate acts on the semicircular plate through the pressing plate, so that the pressing plate and the platform plate clamp the semicircular plate together, and the installation state of the semicircular plate is more stable due to the fact that the contact surface between the pressing plate and the semicircular plate is larger.

Drawings

Fig. 1 is a schematic overall structure of embodiment 1.

Fig. 2 is a cross-sectional view of embodiment 1 for embodying the fitting relationship of the positioning projections and the shaping groove.

Fig. 3 is an exploded view of the rounding die of example 1.

Fig. 4 is a cross-sectional view of embodiment 2 for embodying the fitting relationship of the positioning projections and the shaping groove.

Fig. 5 is an exploded view of the rounding die of example 2.

Reference numerals illustrate:

1. a mold body; 2. a platform plate; 21. a threaded hole; 3. a limiting piece; 31. a limiting plate; 32. a bottom plate; 34. a bolt; 4. a semicircular ring; 41. a first arc-shaped groove; 5. a shaping groove; 6. a positioning block; 7. positioning the bulge; 8. a positioning piece; 81. a pin body; 811. an external thread; 82. a cap head; 9. a pressing plate; 91. a rubber damping layer; 92. a second arc-shaped groove; 10. an arc-shaped round hole; 20. an arc-shaped rod.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

Example 1

The embodiment of the application discloses a rounding die. Referring to fig. 1, the rounding mold comprises a mold body 1, a platform plate 2 and a limiting piece 3, wherein the mold body 1 and the limiting piece 3 are fixedly arranged on the upper surface of the platform plate 2, the mold body 1 is in a semicircular structure, and the semicircular curvature center line of the mold body 1 is perpendicular to the upper surface of the platform plate 2; the upper surface of the platform plate 2 is detachably connected with a plurality of semicircular rings 4, the semicircular rings 4 are positioned on the cambered surface side of the die main body 1, each semicircular ring 4 is sequentially and concentrically spliced along the radial direction of the die main body 1, the cambered surface of the die main body 1 and the outer convex surface of the semicircular rings 4 are both provided with shaping grooves 5, and the shaping grooves 5 are arranged in an extending manner along the arc length direction of the die main body 1 or the arc length direction of the semicircular rings 4; a gap for inserting common pipes is formed between the limiting piece 3 and the shaping groove 5.

When the pipe is bent by the bending die, one end of the pipe is inserted between the limiting piece 3 and the shaping groove 5, so that one end of the pipe is positioned along the radial direction of the bending die. At this time, bending is performed on the pipe by applying a bending moment to the other end of the pipe in a direction approaching the bending die.

The platform plate 2 is horizontally arranged, a plurality of positioning blocks 6 for positioning the die main body 1 are fixedly arranged on the upper surface of the platform plate 2, the positioning blocks 6 are sequentially arranged along the edge outline of the die main body 1, and the plurality of positioning blocks 6 jointly position the die main body 1 on the platform plate 2.

Referring to fig. 2, the concave cambered surface of the semicircular ring 4 is provided with a positioning protrusion 7 extending along the arc length direction of the positioning protrusion 7, and the positioning protrusion 7 is matched with the shaping groove 5 of the adjacent semicircular ring 4 or the shaping groove 5 of the die main body 1; three positioning pieces 8 are arranged between each semicircular ring 4 and the platform plate 2 in a penetrating mode, and the three positioning pieces 8 are arranged at equal intervals along the arc length direction of the semicircular ring 4.

When the positioning protrusions 7 of the semicircle 4 are matched with the shaping grooves 5 of the die main body 1 or matched with the shaping grooves 5 of the other semicircle 4, the semicircle 4 can be limited along the direction perpendicular to the platform plate 2, and after the semicircle 4 and the platform plate 2 are penetrated by the three positioning pieces 8 at the same time, the semicircle 4 can be limited along the direction parallel to the platform plate 2, so that the installation position of the semicircle 4 is generally kept fixed.

The positioning piece 8 comprises a pin body 81 and a cap head 82, wherein the cap head 82 is of a hexagonal prism structure, one end of the pin body 81 is connected with the cap head 82, one end of the pin body 81, far away from the cap head 82, is provided with external threads 811, and the pin body 81 is in threaded connection with the platform plate 2 through the external threads 811. The upper surface of mould main part 1 is equipped with clamp plate 9, and the lower surface of clamp plate 9 is equipped with rubber damping layer 91, and the pin body 81 wears to establish with clamp plate 9 to be connected, and the surface butt clamp plate 9's that the cap 82 is close to the pin body 81 upper surface.

The whole structure that is outer hexagon bolt 34 of setting element 8, after setting element 8 passes through locking between external screw 811 and the platform board 2, setting element 8 compresses tightly clamp plate 9 in the upper surface of semicircle ring 4, makes the position of semicircle ring 4 more stable.

Referring to fig. 1 and 3, the stopper 3 includes a stopper plate 31 and a bottom plate 32, and the lower portion of the stopper plate 31 is fixedly connected with the bottom plate 32. Two bolts 34 are connected between the bottom plate 32 and the platform plate 2 together, the bottom plate 32 is provided with two through holes for the bolts 34 to penetrate, the platform plate 2 is provided with a plurality of groups of threaded holes 21 for the threaded connection of the bolts 34, the number of each group of threaded holes 21 is two, the distance between the two threaded holes 21 in the same group is consistent with the distance between the two through holes, and the plurality of groups of bolt 34 holes are sequentially arranged along the radial direction of the die main body 1.

When the rounding mold utilizes the shaping grooves 5 with different specifications to carry out rounding processing of the pipe with different curvatures, the limiting piece 3 is arranged at different positions on the platform plate 2 by matching the bolts 34 with the threaded holes 21 at different positions, so that the limiting piece 3 and the shaping grooves 5 with different specifications can jointly position the end part of the pipe along the radial direction of the mold main body 1.

The implementation principle of the rounding die disclosed by the embodiment of the application is as follows: when a rounding mold is used for rounding, the semicircular ring 4 is disassembled and assembled according to the requirement, so as to select a shaping groove 5 corresponding to the radius of the required rounding; the radius of the pipe can be changed by changing the shaping groove 5 for participating in the pipe rounding work.

Example 2

This embodiment differs from embodiment 1 in that: the lower surface of the platen 9 in this embodiment is not provided with the rubber damping layer 91.

Referring to fig. 4 and 5, in this embodiment, a first arc groove 41 is disposed on a side of the semicircular ring 4 close to the pressing plate 9, a plurality of second arc grooves 92 are disposed on a side of the pressing plate 9 close to the mold main body 1, the plurality of second arc grooves 92 are disposed in one-to-one correspondence with the first arc grooves 41 of each semicircular ring 4, an arc circular hole 10 is formed between the first arc grooves 41 and the corresponding second arc grooves 92, an arc rod 20 is disposed between each semicircular ring 4 and the pressing plate 9, the arc rod 20 penetrates through the corresponding arc circular hole 10, and the arc rod 20 is partially embedded into the semicircular ring 4 and is partially embedded into the pressing plate 9, so that radial relative displacement between the semicircular ring 4 and the pressing plate 9 is not easy to occur.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a curved circle mould which characterized in that: the mold comprises a mold body (1) and a platform plate (2), wherein the mold body (1) is positioned on the upper surface of the platform plate (2), the mold body (1) is of a semicircular structure, and the semicircular curvature center line of the mold body (1) is perpendicular to the upper surface of the platform plate (2); the utility model discloses a mould, including mould main part (1), upper surface detachable of platform board (2) is connected with a plurality of semicircle rings (4), semicircle rings (4) are located the cambered surface side of mould main part (1), each semicircle rings (4) are followed radial concentric amalgamation in proper order of mould main part (1) sets up, the cambered surface of mould main part (1) with the evagination face of semicircle rings (4) all is equipped with design groove (5), design groove (5) are followed the arc length direction of mould main part (1) or the arc length direction extension setting of semicircle rings (4).

2. A rounding die as claimed in claim 1, wherein: the upper surface of the platform plate (2) is provided with a limiting piece (3), and a gap for inserting common pipes is formed between the limiting piece (3) and the shaping groove (5).

3. A rounding die as claimed in claim 2, wherein: the limiting piece (3) comprises a limiting plate (31) and a bottom plate (32), wherein the lower part of the limiting plate (31) is fixedly connected with the bottom plate (32), a plurality of bolts (34) are connected between the bottom plate (32) and the platform plate (2) together, the bottom plate (32) is provided with a plurality of through holes for the bolts (34) to penetrate through, the platform plate (2) is provided with a plurality of groups of threaded holes (21) for the threaded connection of the bolts (34), and the plurality of groups of the bolt (34) holes are sequentially arranged along the radial direction of the die main body (1).

4. A rounding die as claimed in claim 1, wherein: the concave cambered surface of the semicircular ring (4) is provided with a positioning protrusion (7) extending along the arc length direction of the positioning protrusion (7), and the positioning protrusion is matched with the shaping groove (5) of the adjacent semicircular ring (4) or the shaping groove (5) of the die main body (1); a plurality of positioning pieces (8) are arranged between each semicircular ring (4) and the platform plate (2) in a penetrating mode.

5. A rounding die as claimed in claim 4, wherein: the locating piece (8) comprises a pin body (81) and a cap head (82), one end of the pin body (81) is connected with the cap head (82), one end, far away from the cap head (82), of the pin body (81) is provided with external threads (811), and the pin body (81) is in threaded connection with the platform plate (2) through the external threads (811).

6. A rounding die as claimed in claim 5, wherein: the upper surface of the die main body (1) is provided with a pressing plate (9), the pin body (81) is connected with the pressing plate (9) in a penetrating mode, and the surface, close to the pin body (81), of the cap head (82) abuts against the upper surface of the pressing plate (9).

7. A rounding die as claimed in claim 6, wherein: and a rubber damping layer (91) is arranged on one side of the pressing plate (9) close to the die main body (1).

8. A rounding die as claimed in claim 6, wherein: one side that semicircle ring (4) is close to clamp plate (9) is equipped with first arc wall (41), clamp plate (9) are close to one side of mould main part (1) is equipped with a plurality of second arc wall (92), a plurality of between second arc wall (92) and each semicircle ring (4) first arc wall (41) one-to-one sets up, form arc round hole (10) between first arc wall (41) and the second arc wall (92) that correspond, each semicircle ring (4) with be equipped with arc pole (20) between clamp plate (9), arc pole (20) pass corresponding arc round hole (10).