CN117619958A - Magnetic suspension-based pipe bending machine pipe bending core penetrating auxiliary device - Google Patents

Abstract

The application relates to a magnetic suspension-based pipe bending machine pipe bending and core penetrating auxiliary device, and relates to the technical field of pipe bending machines, wherein the pipe bending and core penetrating auxiliary device comprises a flexible supporting piece, a second sliding rod and a coil; the flexible supporting piece is directly or indirectly connected with a second sliding rod, and the second sliding rod has magnetism conductivity; when the coil is energized and the second slide rod is positioned on the inner peripheral side of the coil, the second slide rod is suspended and fixed on the inner peripheral side of the coil. The present application has the effect of fixing and repositioning the support structure within the tubing.

Description

Magnetic suspension-based pipe bending machine pipe bending core penetrating auxiliary device

Technical Field

The application relates to the technical field of pipe bending machines, in particular to a magnetic suspension-based pipe bending machine pipe bending core penetrating auxiliary device.

Background

The pipe bender is specially designed for bending various automobile pipe fittings, and can realize bending with one or two bending radii, and the bent pipe is made of coiled continuous pipe material, and is heated and softened during processing and bent according to a set program.

The bent pipe is a hollow pipe, when some large-pipe-diameter bent pipe products are processed, pipe materials are penetrated into the pipe bending machine, the bent pipe is processed in a to-be-bent area by the pipe bending machine, the bent area is flattened easily under the action of external force in the pipe bending process, so that the bending flat rate of the products does not reach the standard, and the circulation is influenced.

For the related art, a supporting structure for inserting a metal spring or a flexible rubber rod into a bent pipe is generally adopted to support the pipe wall of the pipe body, but because the pipe bending processing is to continuously process a whole roll of pipe material which can be as long as 300 meters, then the pipe material is bent section by section and cut off after feeding, the supporting structure needs to be temporarily fixed at a bending die in the processing process, the supporting structure cannot be directly fixed in an inner cavity of the pipe material, and the supporting mechanism cannot be retracted in a pipeline when the pipe material needs to be cut off after bending, therefore, a device for fixing and changing the position of the supporting structure in the pipe material is needed to be provided.

Disclosure of Invention

In order to enable a supporting structure to be fixed in a pipe material and change positions according to requirements, the application provides a magnetic suspension-based pipe bending machine pipe core penetrating auxiliary device.

The application provides a bending machine return bend core auxiliary device based on magnetic suspension adopts following technical scheme:

the utility model provides a return bend core auxiliary device is worn to return bend based on magnetic suspension which characterized in that: comprises a flexible supporting piece, a second sliding rod and a coil;

the flexible supporting piece is directly or indirectly connected with the second sliding rod, and the second sliding rod has magnetism conductivity;

when the coil is energized, and the second slide rod is positioned on the inner peripheral side of the coil, the second slide rod is suspended and fixed on the inner peripheral side of the coil.

By adopting the technical scheme, when the bent pipe is processed through the pipe bending processing equipment, the bending area is flattened due to the fact that the bending area is easily subjected to the action of external force in the pipe bending process, so that the bending flatness of the product is not up to standard, and therefore, when the bent pipe is bent, the flexible supporting piece bends along with the bending of the bent pipe, so that the bending area to be bent in the pipe is supported by the flexible supporting piece, and the deformation degree of the bending area is reduced; however, since the tube is processed continuously, different regions of the tube may need to be bent, and the flexible support member cannot be moved to the position to be processed in the tube, the second sliding rod can be suspended and fixed under the action of the coil, and the flexible support member can extend into the tube to support the tube through the connection of the second sliding rod and the flexible support member.

Optionally, when the central axis of the flexible support is linear, the central axis of the flexible support is parallel to the first direction;

when the central axis of the flexible support piece is in a linear type, the second sliding rod is arranged along the first direction, and the projection of the second sliding rod on the first direction is positioned on the inner peripheral side of the projection of the outer peripheral ring of the flexible support piece on the first direction.

Through adopting above-mentioned technical scheme, under the second slide bar is in suspension fixed's condition, second slide bar and flexible support piece parallel arrangement to make flexible support piece can be in the intraductal area of waiting to bend processing of material.

Optionally, the flexible support is a metal spring or a rubber soft rod or a flexible rod.

Through adopting above-mentioned technical scheme, in order to support the return bend inner wall, flexible support piece is the structure that can bend along with buckling of pipe material, and flexible support piece is the structure that can bend, and the preferential metal spring that is in this application, metal spring be both can stretch out and draw back also can crooked structure to wait to buckle the region by flexible support piece to the return bend inner wall and support.

Optionally, the sliding device further comprises a first sliding rod, the first sliding rod is detachably connected with the second sliding rod, the flexible supporting piece is connected with one end, far away from the second sliding rod, of the first sliding rod, the projection of the first sliding rod in the first direction is located on the inner peripheral side of the projection of the outer peripheral ring of the flexible supporting piece in the first direction.

Through adopting above-mentioned technical scheme, the second slide bar is suspended in the coil is inboard under the effect of coil, because the quantity of coil is limited, therefore, the magnetic force effect that the coil produced to the second slide bar is limited, in order to make further flexible support piece can insert the intraductal longer distance of material, is connected with flexible support piece through first slide bar to make flexible support piece support in the return bend pipeline along with first slide bar.

Optionally, the coil is provided with a plurality of coils along the first direction.

Through adopting above-mentioned technical scheme, single coil can provide sufficient power for the second slide bar, if single coil produces magnetic force to the second slide bar, and single coil can produce the serious condition that generates heat, and for this reason, the coil is equipped with a plurality ofly to produce magnetic force to the second slide bar by a plurality of coils, further reduces the heat of coil under the circumstances of guaranteeing that magnetic force is sufficient.

Optionally, the sliding device further comprises a lubrication sleeve, wherein the lubrication sleeve is sleeved on the periphery of the first sliding rod, and the outer diameter of the lubrication sleeve is larger than that of the second sliding rod.

By adopting the technical proposal, because the second sliding rod has magnetic permeability, when the pipe material is sleeved on the periphery of the second sliding rod, the periphery of the second sliding rod can rub the bent pipe Zhou Chansheng so as to influence the quality of the pipe material, therefore, the abrasion of the second sliding rod to the pipe material is reduced by sleeving the periphery of the first sliding rod, the outer diameter of the lubrication sleeve is larger than the outer diameter of the second sliding rod, the material of the lubrication sleeve has good lubrication effect,

optionally, the support assembly further comprises a support assembly, the support assembly comprises a protection seat and a plurality of sealing pieces, the protection seat is provided with an opening in a penetrating manner along a first direction, the coil is located on the inner periphery of the protection seat, the sealing pieces are located at the opening, and the sealing pieces are detachably connected with the protection seat.

Through adopting above-mentioned technical scheme, because the second slide bar is located the coil inner periphery side, when the circular telegram, in order to make the coil to the magnetic force evenly distributed of second slide bar, the protection seat is located the periphery of coil, and the closure is located the both ends of coil to gather the magnetic force of coil by protection seat and closure, so that the atress of second slide bar is more even, improves the suspension effect of first slide bar.

Optionally, the coil wire diameter ranges from 0.5 mm to 2.5mm.

Through adopting above-mentioned technical scheme, in order to further improve the suspension effect of second slide bar, under the certain circumstances of voltage, the wire footpath of this application coil is 0.5-2.5mm and is more suitable scope.

Optionally, the device also comprises a sliding component and a sliding component, wherein the sliding component comprises a sliding seat, the coil is directly or indirectly connected to the sliding seat, and the sliding seat is used for enabling the coil to slide along the first direction.

Through adopting above-mentioned technical scheme, when the return bend operation, the return bend department of pipe material is the cutting off department of return bend equipment, can cut off after buckling to the pipe promptly, before cutting off, in needing flexible support piece to withdraw from the pipe material, consequently, through the sliding seat of being connected with the coil directly or indirectly, drive the coil by the sliding seat and remove, further drive flexible support piece and withdraw from the region of buckling.

Optionally, the sliding assembly further comprises a cylinder or an electric cylinder for driving the sliding seat to slide along the first direction.

By adopting the technical scheme, in order to drive the sliding seat to slide, a power source is provided for the sliding of the sliding seat along the first direction through the air cylinder or the electric cylinder.

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

1. according to the bending machine, the flexible supporting piece enters the bending machine along with the pipe material, and the flexible supporting piece supports the bending area of the bent pipe to be bent;

2. according to the flexible support device, the second sliding rod is fixed in a magnetic suspension mode, so that the position of the flexible support piece is always fixed at the bending wheel during bending, and the operation efficiency of the flexible support piece is improved;

3. the movement of the flexible support piece in the bent pipe is further achieved through the sliding assembly, and therefore support of different bending areas in the bent pipe is achieved.

Drawings

FIG. 1 is a diagram showing the whole structure of a magnetic levitation-based pipe bending machine pipe core penetrating auxiliary device;

FIG. 2 is a schematic structural view of the flexible support of the present application;

FIG. 3 is a cross-sectional view of a second slide bar and drive assembly of the present application;

FIG. 4 is a schematic view of the structure of the protection seat and the closure of the present application;

FIG. 5 is a schematic view of the structure of the mounting and protection bases of the present application;

FIG. 6 is a schematic view of a plurality of protection seat connections of the present application;

FIG. 7 is a schematic view of the structure of the lubrication sleeve and the second sliding rod of the present application;

FIG. 8 is a schematic view of the slide assembly of the present application;

FIG. 9 is a schematic view of the structure of the housing and the fixing base of the present application;

fig. 10 is a schematic structural diagram of the pipe bending core penetrating auxiliary device and the pipe bending machine body based on magnetic suspension.

Reference numerals illustrate: 1. a fixing frame; 11. a housing; 111. perforating; 112. a button; 2. a sliding assembly; 21. a sliding seat; 22. a slide rail; 23. a slide block; 24. a cylinder; 3. a support assembly; 31. a fixing member; 311. a mounting base; 32. a protection seat; 321. a receiving chamber; 322. an opening; 33. a closure; 4. a flexible support; 5. a first slide bar; 6. a second slide bar; 7. a coil; 8. a lubricating sleeve; 9. a pipe bender body; 91. and a feed inlet.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-10.

The embodiment of the application discloses a magnetic suspension-based auxiliary device for penetrating cores of bent pipes of a pipe bending machine. Referring to fig. 1, the pipe bending and core threading auxiliary device of the pipe bending machine based on magnetic suspension comprises a fixing frame 1, a sliding component 2, a bearing component 3 and a flexible supporting piece 4, wherein the fixing frame 1 is used for bearing the sliding component 2 and the bearing component 3, the bearing component 3 is connected to the fixing frame 1 in a sliding mode through the sliding component 2, and the flexible supporting piece 4 is connected to the bearing component 3 so that the flexible supporting piece 4 supports a region to be bent in the pipe bending under the sliding of the bearing component 3 along the fixing frame 1.

Referring to fig. 2, when the pipe is processed, the flexible supporting piece 4 is inserted into the position to be bent of the pipe, and the wall of the pipe is supported by the flexible supporting piece 4, so that the bending area is prevented from being flattened easily under the action of external force in the pipe bending process; the flexible support 4 is used as a structure for supporting the bending part of the inner wall of the bent pipe, in some embodiments, the flexible support 4 can be a rubber soft rod, a metal spring or a flexible rod, so that the flexible support 4 is only a structure capable of realizing bending and recovering to an original state, and the flexible support 4 is a metal spring in the protection scope of the application, and the metal spring is an elastic structure capable of realizing stretching and bending along the central axis of the flexible support.

Referring to fig. 1, in order to facilitate feeding the flexible support member 4 into the pipe material, the auxiliary device further includes a first sliding rod 5, the flexible support member 4 is connected to the first sliding rod 5, and the flexible support member 4 is connected to the first sliding rod 5 in the following manner:

the first connection mode is as follows: one end of the flexible supporting piece 4 is fixedly connected with the end part of the first sliding rod 5, and in the connecting mode, when the central axis of the flexible supporting piece 4 is in a linear type, the central axis of the flexible supporting piece 4 and the rod length of the first sliding rod 5 are parallel to the first direction; in order to enable the first slide bar 5 to be inserted into the tube stock along with the flexible support 4, when the central axis of the flexible support 4 coincides with the central axis of the first slide bar 5, the projection of the first slide bar 5 in the first direction is located on the inner peripheral side of the projection of the outer peripheral ring of the flexible support 4 in the first direction;

the second connection mode is as follows: the flexible support 4 is rotatably connected to the first slide bar 5, the flexible support 4 being parallel to the first direction along the rotational axis of the first slide bar 5.

The two ways are all for connecting the first sliding rod 5 with the flexible supporting member 4, so that the first sliding rod 5 can enter the pipeline along with the flexible supporting member 4, and any way of connecting the first sliding rod 5 with the flexible supporting member 4 is within the protection scope of the application, in this embodiment, the connection mode between the first sliding rod 5 and the flexible supporting member 4 is preferably the first connection mode, that is, the fixed connection mode.

Referring to fig. 1, the first sliding rod 5 is a structure for conveying the flexible supporting member 4 into the tube material, and the first sliding rod 5 may be a rod-shaped structure having an arbitrary shape in cross section, and thus, it is preferable that the cross section of the first sliding rod 5 be a circular shape in the protection scope of the present embodiment.

Referring to fig. 2, in order to fix the first sliding rod 5, the auxiliary device further includes a plurality of second sliding rods 6 and coils 7, the second sliding rods 6 are detachably sleeved on the outer periphery of the first sliding rod 5, in this embodiment, the coils 7 are coils, in order to support the coils 7, the support assembly 3 includes a fixing member 31, the fixing member 31 is sleeved on the outer periphery of the second sliding rod 6, the inner peripheral wall of the fixing member 31 is not contacted with the outer peripheral wall of the second sliding rod 6, the coils 7 are wound on the outer peripheral wall of the fixing member 31, under the condition that electricity is supplied, the magnetic force direction of the coils 7 is the same as the current direction, the second sliding rods 6 are suspended on the inner peripheral side of the fixing member 31 under the magnetic force of the coils 7, and in this embodiment, the fixing member 31 is in a circular ring shape.

Referring to fig. 3 and 4, in order to uniformly distribute the magnetic force of the coil 7 on the second sliding rod 6, the support assembly 3 further includes a protecting seat 32 and a plurality of sealing members 33, wherein the protecting seat 32 is provided with a receiving cavity 321 therethrough along the first direction, the coil 7 is located in the receiving cavity 321, that is, two ends of the protecting seat 32 are respectively provided with an opening 322, each opening 322 is provided with a sealing member 33, in some embodiments, the sealing member 33 is fixedly connected with the protecting seat 32 in an integral manner, the sealing member 33 and the protecting seat 32 can also be detachably connected, in order to facilitate the winding of the coil 7 by personnel, in this embodiment, the protecting seat 32 is fixedly connected with the sealing member 33 in an integral manner at one opening 322, and the other opening 322 of the protecting seat 32 is detachably connected with the sealing member 33.

Referring to fig. 4 and 5, in order to facilitate personnel to install the protection seat 32 and the fixing piece 31, one end of the fixing piece 31 is fixedly connected with the installation seat 311, the installation seat 311 is coaxially sleeved on the fixing piece 31, the installation seat 311 is detachably connected with the protection seat 32, in some embodiments, the installation seat 311 may have an annular structure with an arbitrary cross section, and in this embodiment, the installation seat 311 has a circular ring shape; the sealing piece 33 is positioned at the opening 322 of the protection seat 32, and the sealing piece 33 is detachably connected with the protection seat 32 to seal the protection seat 32; in this embodiment, the protection seat 32 and the closing member 33 are both made of magnetically permeable metal, so that a person can wind the coil 7 on the fixing member 31, and under the action of the protection seat 32 and the closing member 33, the magnetic force of the coil 7 is concentrated toward the central axis side of the second sliding rod 6, so that the magnetic force is uniformly distributed on the second sliding rod 6, and the second sliding rod 6 can stably suspend on the inner peripheral side of the fixing member 31; in some embodiments, the material of the second sliding rod 6 may be iron or nickel, that is, the metal material with magnetic permeability is within the scope of the present application, and in this embodiment, the material of the second sliding rod 6 is tetra-five steel.

Referring to fig. 6, in some embodiments, according to the processing requirement of the bent pipe, one or more coils 7 may be provided, and in the case that there are a plurality of coils 7, there may be a plurality of second sliding rods 6, or there may be a plurality of coils 7, in this embodiment, there are a plurality of second sliding rods 6, and the second sliding rods 6 are arranged at intervals along the first direction, in order to enable the coils 7 to be energized, the driving assembly further includes a power source, and the power source is electrically connected with the coils 7, and in this embodiment, the power source is a direct current power source; in order to make the suspension effect of the coil 7 on the first slide rod 5 and the second slide rod 6 better, the wire diameter of the coil 7 is in the range of 0.5-2.5mm in the present embodiment.

Referring to fig. 7, the starting end of the tube material is sleeved on the outer periphery of the second sliding rod 6, friction is generated between the inner peripheral wall of the tube material and the outer peripheral wall of the second sliding rod 6 in the process of moving the tube material forward, and the quality of the bent tube is affected.

Referring to fig. 8, in order to support the protection seat 32, the auxiliary device further includes a fixing seat, the protection seat 32 is disposed on the fixing seat, when the pipe material is bent in the pipe bending device, the flexible support member 4 is supported at a position to be bent of the pipe material, because the bending wheel of the pipe material is a position where the cutting device of the pipe bending device is located, before cutting the pipe material, the flexible support member 4 needs to be withdrawn from the bending wheel first and then cut off, therefore, the auxiliary device further includes a sliding component 2, the sliding component 2 is disposed between the protection seat 32 and the fixing seat, the sliding component 2 includes a sliding seat 21, a sliding rail 22, a sliding block 23 and a cylinder 24, the sliding seat 21 is fixedly connected to one side of the protection seat 32 close to the fixing seat, the sliding rail 22 is fixedly connected to one side of the fixing seat close to the protection seat 32, one end of the sliding block 23 is fixedly connected to the sliding seat 21, the sliding block 23 is slidingly connected to the sliding rail 22 along a first direction, a telescopic rod of the cylinder 24 is fixedly connected to the sliding seat 21, a telescopic rod of the cylinder 24 is parallel to the first direction of a piston rod of the cylinder 24, so that the sliding rod of the cylinder 24 is withdrawn from the sliding seat 22 along the first direction, and the coil 7 is driven by the cylinder 24 to slide along the first direction, and the flexible support member 4 can slide along the first direction after the bending rod is further driven by the cylinder 24; in order to prevent the magnetic force generated by the coil 7 from affecting other structures, in some embodiments, the material of the sliding seat 21 is a metal material without magnetic permeability.

Referring to fig. 9, the auxiliary device further includes a housing 11, the housing 11 is detachably connected to the top of the fixing frame 1, the housing 11 is sleeved on the periphery of the protection seat 32, so that the protection seat 32, the sliding seat 21 and the sliding rail 22 are protected by the housing 11, a through hole 111 for passing through the bent pipe is formed in the housing 11 along the first direction, a button 112 for controlling the auxiliary device to operate is arranged on the housing 11, and in operation, a person can control the coil 7 to be electrified by pressing the button 112.

Referring to fig. 10, in order to bend the bent pipe, the pipe bender is a prior art in the field, the application does not make excessive description, the pipe bender body 9 is provided with a feed inlet 91 along a first direction, an auxiliary device is arranged at one end of the pipe bender body 9 near the feed inlet 91, the raw material of the bent pipe is coiled continuous pipe material, the coil pipe length is 300-500 m, the starting end of the pipe material is sleeved on the periphery of the lubricating sleeve 8, the bent pipe moves towards one side of the feed inlet 91 of the pipe bender body 9 under the driving action of the air cylinder 24, and the flexible supporting piece 4 also enters the pipe bender body 9 along with the bent pipe so as to support the bending area of the bent pipe by the flexible supporting piece 4.

The implementation principle of the pipe bending and core penetrating auxiliary device of the pipe bending machine based on magnetic suspension is as follows:

during operation, the starting end of the pipe material is sleeved on the periphery of the lubricating sleeve 8, the coil 7 is electrified with a direct current power supply, the second sliding rod 6 is suspended and fixed on the inner periphery of the coil 7 under the magnetic force action of the coil 7, the first sliding rod 55 and the flexible supporting piece 44 are further fixed, after the pipe material enters the pipe bender body 9 from the feed inlet 91, the flexible supporting piece 4 supports the area to be bent in the pipe material, the pipe material is bent for a plurality of times, after bending, the bending position of the pipe material is cut off by the cutting device of the pipe bender body 9, the cylinder 24 drives the sliding seat 21 to slide along the fixing frame 1, the flexible supporting piece 4 is further driven to exit the pipe bender body, the pipe material enters the pipe bender body again, and the flexible supporting piece 4 supports the area to be bent of the pipe material again and circularly reciprocates.

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 (10)

1. The utility model provides a return bend core auxiliary device is worn to return bend based on magnetic suspension which characterized in that: comprises a flexible support (4), a second sliding rod (6) and a coil (7);

the flexible support (4) is directly or indirectly connected to the second sliding rod (6), the second sliding rod (6) having magnetic permeability;

when the coil (7) is energized, and the second sliding rod (6) is positioned on the inner peripheral side of the coil (7), the second sliding rod (6) is suspended and fixed on the inner peripheral side of the coil (7).

2. The magnetic suspension-based pipe bending machine pipe penetrating auxiliary device according to claim 1, wherein the pipe penetrating auxiliary device comprises: when the central axis of the flexible support (4) is linear, the central axis of the flexible support (4) is parallel to the first direction;

when the central axis of the flexible support piece (4) is in a linear type, the second sliding rod (6) is arranged along the first direction, and the projection of the second sliding rod (6) in the first direction is positioned on the inner peripheral side of the projection of the outer peripheral ring of the flexible support piece (4) in the first direction.

3. The magnetic suspension-based pipe bending machine pipe penetrating auxiliary device according to claim 2, wherein the pipe penetrating auxiliary device is characterized in that: the flexible supporting piece (4) is a metal spring or a rubber soft rod or a flexible rod.

4. A magnetic levitation-based pipe bending machine pipe threading auxiliary device according to claim 3, characterized in that: still include first slide bar (5), first slide bar (5) can dismantle and connect in second slide bar (6), flexible support piece (4) connect in one end that second slide bar (6) were kept away from to first slide bar (5), first slide bar (5) are located in the first direction the projection is located the periphery circle of flexible support piece (4) is in the interior week side of first direction projection.

5. The magnetic suspension-based pipe bending machine pipe penetrating auxiliary device according to claim 4, wherein: the coil (7) is provided with a plurality of coils along the first direction.

6. The magnetic suspension-based pipe bending machine pipe penetrating auxiliary device according to claim 5, wherein: still include lubricated cover (8), lubricated cover (8) cover is located the periphery of first slide bar (5), the external diameter of lubricated cover (8) is greater than the external diameter of second slide bar (6).

7. The magnetic suspension-based pipe bending machine pipe penetrating auxiliary device according to claim 6, wherein: still include bearing subassembly (3), bearing subassembly includes protection seat (32) and a plurality of closure member (33), opening (322) have been seted up in the first direction run through to protection seat (32), coil (7) are located protection seat (32) inner periphery, closure member (33) are located opening (322) department, closure member (33) with protection seat (32) can dismantle the connection.

8. The magnetic suspension-based pipe bending machine pipe penetrating auxiliary device according to claim 7, wherein: the coil (7) has a wire diameter in the range of 0.5-2.5mm.

9. The magnetic levitation-based pipe bending machine pipe core penetrating auxiliary device according to any one of claims 1 to 8, wherein: the coil winding device further comprises a sliding assembly (2), the sliding assembly (2) comprises a sliding seat (21), the coil (7) is directly or indirectly connected to the sliding seat (21), and the sliding seat (21) is used for enabling the coil (7) to slide along the first direction.

10. The magnetic suspension-based pipe bending machine pipe penetrating auxiliary device according to claim 9, wherein: the sliding assembly (2) further comprises a cylinder (24) or an electric cylinder for driving the sliding seat (21) to slide along the first direction.