Crease preventing device of pipe bending machine

Abstract

The utility model belongs to the technical field of pipe bending machines, and particularly discloses a pipe bending machine anti-wrinkling device which comprises a supporting assembly and an anti-wrinkling plate, the anti-wrinkling plate is detachably connected to the supporting assembly, a positioning pin is arranged on one side of the supporting assembly, the anti-wrinkling plate is provided with a positioning hole right opposite to the positioning pin, and the anti-wrinkling plate is detachably connected to the supporting assembly. The positioning pin of the supporting assembly is inserted into the positioning hole of the anti-wrinkling plate for connecting and positioning, and the anti-wrinkling plate is used for preventing the metal pipe from wrinkling in the bending process. According to the technical scheme, re-debugging is not needed after the anti-wrinkling plate is replaced, the die can be directly put into production, and the die replacement efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pipe bender technical field especially relates to a pipe bender anti -wrinkle device. BACKGROUND

[0002] Pipe bender is needed in the process of metal pipe bending, and the pipe bender is roughly divided into numerical control pipe bender, manual pipe bender, hydraulic pipe bender and is applied to the pipeline construction in the fields such as ship, bridge, power construction. When producing pipe, metal pipe material will produce wrinkle in the bending process, in order to prevent metal pipe material from producing wrinkle in the bending process, the cooperation of anti -wrinkle tile and core rod can effectively prevent metal pipe material from producing wrinkle in the bending process, and it is found after production process that the anti -wrinkle tile only plays a transition lubricating role at the tile eaves of the front end. After a certain amount of production, the tile eaves at the front end of the anti -wrinkle tile is worn out after a long time, and the anti -wrinkle tile needs to be replaced. The whole anti -wrinkle tile is replaced in the prior art to ensure the normal production of the pipe bender. The procurement cost of the anti -wrinkle tile is higher, and the anti -wrinkle tile needs to be repeatedly adjusted after replacement to be put into production and use. The procurement cost of the anti -wrinkle tile is increased, and the die changing efficiency of the anti -wrinkle tile is reduced. SUMMARY

[0003] The utility model aims at providing a kind of pipe bender anti -wrinkle device to solve the problem that anti -wrinkle tile needs to be retested after replacement, causes anti -wrinkle tile replacement time to be long and inefficient.

[0004] In order to achieve the above purpose, the technical scheme of the utility model is as follows: a kind of pipe bender anti -wrinkle device, including support assembly and anti -wrinkle plate, the anti -wrinkle plate is detachably connected on support assembly, one side of the support assembly is equipped with positioning pin, the anti -wrinkle plate is equipped with the positioning hole opposite to positioning pin, the positioning pin of support assembly is inserted into the positioning hole of anti -wrinkle plate and is connected and positioned, and the anti -wrinkle plate is used to prevent metal pipe material from producing wrinkle in the bending process.

[0005] Further, the support assembly includes support base and connecting plate, the connecting plate is detachably connected in support base, the anti -wrinkle plate is arranged side by side and opposite to the connecting plate, the connecting plate is equipped with the positioning pin opposite to the positioning hole, and the positioning pin of the connecting plate is inserted into the positioning hole of anti -wrinkle plate and is connected and positioned.

[0006] Further, the support assembly is integrally formed.

[0007] Further, the support base is equipped with arc slot, and the outer periphery of the connecting plate is equipped with arc convex ring matched with the arc slot, and the arc convex ring of the connecting plate is arranged in the arc slot of the support base.

[0008] Further, the connecting plate is made of stainless steel.

[0009] Further, the anti-wrinkle plate is made of copper alloy.

[0010] The working principle of the technical solution is that:

[0011] ① When the support assembly adopts an integral structure, the positioning pin of the support assembly is connected and positioned with the positioning hole of the anti-wrinkle plate, the second bolt passes through the bolt counterbore and the connecting hole of the support assembly and is connected and fixed with the second threaded hole of the anti-wrinkle plate, so that the anti-wrinkle plate is detachably connected on the support assembly.

[0012] ② When the support assembly adopts a split structure, first, the positioning pin of the connecting plate is inserted into the positioning hole of the anti-wrinkle plate for connection and positioning, and the second bolt passes through the bolt counterbore and the connecting hole of the connecting plate and is connected and fixed with the second threaded hole of the anti-wrinkle plate, so that the anti-wrinkle plate is connected on the connecting plate. Secondly, the arc-shaped groove of the support base is connected and positioned with the arc-shaped convex ring of the connecting plate, and the first bolt is connected and fixed with the first threaded hole of the connecting plate and the third threaded hole of the support base, so that the connecting plate is connected on the support base.

[0013] The technical solution has the beneficial effects that:

[0014] In the technical solution, the anti-wrinkle tile adopts a split structure, so that after the anti-wrinkle plate is worn, only the anti-wrinkle plate needs to be replaced, and after the anti-wrinkle plate is replaced, no re-adjustment is needed, and the production can be directly put into use. The machining difficulty of the anti-wrinkle tile when adopting an integral integral forming is reduced, the procurement cost of the anti-wrinkle tile is controlled, after the anti-wrinkle plate is replaced, no re-adjustment is needed for production, and the die changing efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 FIG. 1 is a structural schematic view of the anti-wrinkle device of the pipe bending machine;

[0016] Figure 2 FIG. 3 is a connecting schematic view of the connecting plate and the anti-wrinkle plate of the anti-wrinkle device of the pipe bending machine;

[0017] Figure 3 FIG. 4 is a structural schematic view of the connecting plate of the anti-wrinkle device of the pipe bending machine;

[0018] Figure 4 FIG. 5 is a structural schematic view of the anti-wrinkle plate of the anti-wrinkle device of the pipe bending machine. DETAILED DESCRIPTION

[0019] The technical solution will be further described in detail through specific embodiments:

[0020] The reference signs in the drawings of the specification include: support base 1, connecting plate 2, anti-wrinkle plate 3, positioning pin 4, positioning hole 5, arc-shaped groove 6, arc-shaped convex ring 7, first threaded hole 8, bolt counterbore 9, connecting hole 10, second threaded hole 11, and second bolt 12.

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1

[0023] The basic implementation examples are as follows: Figures 1-4 The diagram shows an anti-wrinkle device for a pipe bending machine, comprising a support assembly and an anti-wrinkle plate 3. The support assembly is integrally formed. The support assembly is made of stainless steel and has an arc-shaped boss inside. The inner surface of the arc-shaped boss has a first arc-shaped groove. Multiple connecting holes 10 are located at the ends of the arc-shaped boss, penetrating within it. Bolt countersunk holes 9, corresponding one-to-one with and connected to the multiple connecting holes 10, are located on the side away from the anti-wrinkle plate 3. A positioning pin 4 is located at the end of the arc-shaped boss, also located away from the bolt countersunk holes 9 and avoiding the connecting holes 10. The anti-wrinkle plate 3 is made of copper alloy and has a second arc-shaped groove on its inner surface. The second arc-shaped groove coincides with the central axis of the first arc-shaped groove and has the same diameter. The anti-wrinkle plate 3 has positioning holes 5 directly opposite the positioning pin 4. The anti-wrinkle plate 3 also has multiple second threaded holes 11, each corresponding one-to-one with and directly opposite the multiple connecting holes 10. The positioning pin 4 of the support component is inserted into the positioning hole 5 of the anti-wrinkle plate 3 for connection and positioning. The second arc-shaped groove of the anti-wrinkle plate 3 is arranged side by side and directly opposite the first arc-shaped groove of the support component. The second bolt 12 passes through the bolt countersunk hole 9 and the connecting hole 10 of the support component and is threadedly connected to the second threaded hole 11 of the anti-wrinkle plate 3 to connect and fix the support component and the anti-wrinkle plate 3.

[0024] The specific implementation process is as follows: When the support component adopts an integral molding structure, the positioning pin 4 of the support component is connected and positioned with the positioning hole 5 of the anti-wrinkle plate 3. The second bolt 12 passes through the bolt countersunk hole 9 and the connecting hole 10 of the support component and is connected and fixed with the second threaded hole 11 of the anti-wrinkle plate 3, so that the anti-wrinkle plate 3 is detachably connected to the support component.

[0025] Example 2

[0026] The basic implementation examples are as follows: Figures 1-4As shown: a pipe bending machine anti-wrinkle device, the difference between this embodiment and embodiment one is only that: the support assembly adopts split design, the support assembly includes support base 1 and connecting plate 2, the inner surface of support base 1 is provided with arc-shaped groove 6, the upper surface of support base 1 is provided with third threaded hole, the connecting plate 2 is made of stainless steel material, the connecting plate 2 is provided with arc-shaped boss, the inner surface of arc-shaped boss is provided with first arc-shaped groove, the arc-shaped boss of connecting plate 2 is provided with first threaded hole 8 opposite to the third threaded hole, the outer periphery of arc-shaped boss is provided with arc-shaped convex ring 7 matched with arc-shaped groove 6, the arc-shaped convex ring 7 is arranged on the side away from anti-wrinkle plate 3 and is arranged opposite to arc-shaped groove 6, the end of connecting plate 2 close to anti-wrinkle plate 3 is provided with a plurality of connecting holes 10, the plurality of connecting holes 10 are penetrated in connecting plate 2, the connecting plate 2 is provided with bolt counterbore 9 corresponding to the plurality of connecting holes 10 and arranged in communication, the plurality of bolt counterbores 9 are arranged on the side away from anti-wrinkle plate 3, the connecting plate 2 is provided with positioning pin 4 on the side away from bolt counterbore 9, the positioning pin 4 is arranged away from connecting hole 10. Anti-wrinkle plate 3 is made of copper alloy material, the inner surface of anti-wrinkle plate 3 is provided with second arc-shaped groove, the center axis of second arc-shaped groove coincides with that of first arc-shaped groove and the diameters are the same, anti-wrinkle plate 3 is arranged side by side and opposite to connecting plate 2, the end of anti-wrinkle plate 3 is provided with second threaded hole 11 corresponding to the plurality of connecting holes 10 and opposite to them, the end of anti-wrinkle plate 3 is provided with positioning hole 5 opposite to positioning pin 4. The positioning pin 4 of connecting plate 2 is inserted into the positioning hole 5 of anti-wrinkle plate 3 for connection and positioning, the second bolt 12 passes through the bolt counterbore 9 and connecting hole 10 of connecting plate 2 and is threadedly connected with the second threaded hole 11 of anti-wrinkle plate 3, the first bolt is threadedly connected with the first threaded hole 8 of connecting plate 2 and the threaded hole of support base 1, and the end of first bolt is sunk into the first threaded hole 8 of connecting plate 2, at the same time, the arc-shaped convex ring 7 of connecting plate 2 is connected in the arc-shaped groove 6 of support base 1.

[0027] The specific implementation process is as follows:

[0028] Firstly, the positioning pin 4 of connecting plate 2 is inserted into the positioning hole 5 of anti-wrinkle plate 3 for connection and positioning, the second bolt 12 passes through the bolt counterbore 9 and connecting hole 10 of connecting plate 2 and is connected with the second threaded hole 11 of anti-wrinkle plate 3, and the anti-wrinkle plate 3 is connected on the connecting plate 2. Secondly, the arc-shaped groove 6 of support base 1 is connected with the arc-shaped convex ring 7 of connecting plate 2 for connection and positioning, the first bolt is connected with the first threaded hole 8 of connecting plate 2 and the third threaded hole of support base 1, and the connecting plate 2 is connected on the support base 1.

[0029] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0030] The above-mentioned is only the embodiment of the present application, and the common knowledge of the specific structure and characteristics in the scheme is not described in detail, the ordinary skilled in the art knows all the ordinary technical knowledge in the field of the application before the application date or the priority date, can know all the prior art in the field and has the ability to apply the conventional experimental means before the date, the ordinary skilled in the art can improve and implement the present scheme under the inspiration given by the present application combined with their own ability, some typical known structure or known method should not be an obstacle for the ordinary skilled in the art to implement the present application. It should be pointed out that, for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, which will not affect the effect and practicality of the present application. The protection scope of the present application should be subject to the content of its claims, and the specific implementation mode and the like in the specification can be used to explain the content of the claims.

Claims

1. A tube bender anti-crease device, characterized by: The support assembly and the anti-wrinkle plate (3) are detachably connected, one side of the support assembly is provided with a positioning pin (4), the anti-wrinkle plate (3) is provided with a positioning hole (5) opposite to the positioning pin (4), the positioning pin (4) of the support assembly is inserted into the positioning hole (5) of the anti-wrinkle plate (3) for connection and positioning, and the anti-wrinkle plate (3) is used for preventing wrinkles of metal pipes during bending; An arc-shaped boss is arranged in the support assembly, an inner surface of the arc-shaped boss is provided with a first arc-shaped groove, end portions of the arc-shaped boss are provided with a plurality of connecting holes (10) penetrating through the arc-shaped boss of the support assembly, an inner surface of the anti-wrinkle plate (3) is provided with a second arc-shaped groove, the second arc-shaped groove is coaxial with a center axis of the first arc-shaped groove and has the same diameter, the anti-wrinkle plate (3) is provided with a plurality of second threaded holes (11), and the second threaded holes (11) correspond to the connecting holes (10) one by one and are arranged opposite to the connecting holes (10).

2. A tube bender anti-crease device according to claim 1, characterized in that: The support assembly comprises a support base (1) and a connecting plate (2), the connecting plate (2) is detachably connected in the support base (1), the anti-wrinkle plate (3) is arranged side by side and opposite to the connecting plate (2), the connecting plate (2) is provided with a positioning pin (4) opposite to the positioning hole (5), and the positioning pin (4) of the connecting plate (2) is inserted into the positioning hole (5) of the anti-wrinkle plate (3) for connection and positioning.

3. A tube bender anti-crease device according to claim 1, characterized in that: The support assembly is integrally formed.

4. A bend preventing device for a pipe bending machine according to claim 2, wherein: An arc-shaped groove (6) is arranged in the support base (1), an outer periphery of the connecting plate (2) is provided with an arc-shaped convex ring (7) matched with the arc-shaped groove (6), and the arc-shaped convex ring (7) of the connecting plate (2) is arranged in the arc-shaped groove (6) of the support base (1).

5. A bend preventing device for a pipe bending machine according to claim 2, wherein: The connecting plate (2) is made of stainless steel.

6. A bend preventing device for a pipe bending machine according to claim 1, wherein: The anti-wrinkle plate (3) is made of copper alloy.

Images