CN215543970U - Bending device - Google Patents

Abstract

The utility model provides a bending device, which comprises a fixed disc, a handle part and a movable part, wherein a first groove is formed in the periphery of the fixed disc and extends along the circumferential direction of the fixed disc; the handle part is rotatably arranged on the fixed disc around the central axis of the fixed disc; the movable part is provided with a second groove, and the second groove and part of groove sections of the first groove are spliced together to form a bending groove for accommodating a pipe fitting to be processed or a rod piece to be processed; the movable part is arranged on the handle part in a rotatable way around a preset axis so that the handle part drives the movable part to rotate; wherein the predetermined axis is parallel to the central axis of the fixed disk. By using the bending device, the bending forming processing of the pipe fitting to be processed or the rod piece to be processed in the bending groove can be realized only by rotating the handle part, the convenience of the bending processing operation is greatly improved, and the problem that the copper pipe bending processing method in the prior art is inconvenient to operate is solved.

Description

Bending device

Technical Field

The utility model relates to the technical field of bending, in particular to a bending device.

Background

In a pure electric bus, an air source pipeline assembly of a whole bus chassis comprises a spiral copper pipe used for connecting an air compressor and a condenser so as to be used as a transmission air source.

In the prior art, a straight material or a set of coiled raw materials of a red copper pipe is generally adopted for processing and forming, and a bending device is generally required to be used for bending the copper pipe in an original form such as a straight pipe and the like in the processing process so as to form a required shape.

At present, a simple arc bending tool or a simple profiling tool is usually adopted for bending, and the bending tools usually need multi-person cooperation operation and are time-consuming and labor-consuming.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a bending device to solve the problem that a copper pipe bending processing method in the prior art is inconvenient to operate.

In order to achieve the above object, the present invention provides a bending apparatus comprising: the fixing plate is provided with a first groove at the periphery, and the first groove extends along the circumferential direction of the fixing plate; the handle part is rotatably arranged on the fixed disc around the central axis of the fixed disc; the movable part is provided with a second groove, and the second groove and part of groove sections of the first groove are spliced together to form a bending groove for accommodating a pipe fitting to be processed or a rod piece to be processed; the movable part is arranged on the handle part in a rotatable way around a preset axis so that the handle part drives the movable part to rotate; wherein the predetermined axis is parallel to the central axis of the fixed disk.

Further, the bending device still includes: the first rotating shaft penetrates the fixed disc, and the central axis of the first rotating shaft is superposed with the central axis of the fixed disc; the handle part is rotatably sleeved on the first rotating shaft; and/or the second rotating shaft is arranged on the handle part in a penetrating way, and the central axis of the second rotating shaft forms a preset axis; the movable part is rotatably sleeved on the second rotating shaft.

Furthermore, the first rotating shaft comprises a first shaft section and a second shaft section which are connected with each other, the handle part is sleeved on the first shaft section, and the second shaft section is arranged on the fixed disc in a penetrating manner; the first shaft section is convexly provided with a first flange, and the handle part is positioned on one side of the first flange, which is close to the second shaft section.

Furthermore, the second rotating shaft comprises a third shaft section and a fourth shaft section which are connected with each other, the movable part is sleeved on the third shaft section, and the fourth shaft section is arranged on the handle part in a penetrating way; the third shaft section is convexly provided with a second flange, and the movable part is positioned on one side of the second flange, which is close to the fourth shaft section.

Furthermore, the fixed disc is of a disc structure; and/or the second groove comprises a first groove section and a second groove section which are connected with each other, the central axis of the first groove section and the central axis of the second groove section form a preset included angle, and the preset included angle is an obtuse angle.

Further, the bending device still includes: the connecting piece is connected with the fixed disc; the limiting part is provided with a limiting groove and can be rotatably arranged on the connecting piece around a set axis so as to enable the limiting part to have a yielding position and a limiting position; the set axis is vertical to the central axis of the fixed disc; when the limiting part is positioned at the abdicating position, the limiting part abdicating the pipe fitting to be processed or the rod piece to be processed which extends out of the first groove; when the limiting part is located at the limiting position, the pipe section of the pipe fitting to be processed or the rod section of the rod piece to be processed, which extends out of the first groove, is accommodated in the limiting groove, so that the limiting part and the pipe fitting to be processed or the rod piece to be processed are locked with each other.

Further, the bending device still includes: the third rotating shaft penetrates through the connecting piece, the limiting part is rotatably sleeved on the third rotating shaft, and a set axis is formed by the central axis of the third rotating shaft.

Further, the connecting piece includes interconnect's first connecting portion and second connecting portion, and first connecting portion are used for being connected with the fixed disk, and spacing portion rotationally sets up on the second connecting portion.

Furthermore, the limiting part is provided with a positioning part, and the positioning part extends out of the limiting part to the outer side of the connecting piece along the extension direction of the set axis; when the limiting part rotates to the limiting position, the positioning part is abutted against the connecting piece so as to stop the limiting part.

Further, a plurality of indication parts are arranged on the fixed disc, so that the rotation angle of the handle part can be determined through the indication parts.

Furthermore, the bending device also comprises a supporting seat, and the supporting seat is detachably connected with the fixed disk so as to support the fixed disk; the bending device further includes: the separating part is arranged between the supporting seat and the fixed disk; and/or the operating platform is provided with the supporting seat.

By applying the technical scheme of the utility model, the bending device comprises a fixed disc, a handle part and a movable part, wherein a first groove is formed in the periphery of the fixed disc and extends along the circumferential direction of the fixed disc; the handle part is rotatably arranged on the fixed disc around the central axis of the fixed disc so as to enable the handle part to rotate relative to the fixed disc; the movable part is provided with a second groove, and the second groove and part of groove sections of the first groove are spliced together to form a bending groove for accommodating a pipe fitting to be processed or a rod piece to be processed; the movable part is rotatably arranged on the handle part around a preset axis so that the handle part drives the movable part to rotate around the central axis of the fixed disc, and at the moment, the movable part rotates along the periphery of the fixed disc so as to bend the pipe fitting to be processed or the rod piece to be processed in the bending groove; the preset axis is parallel to the central axis of the fixed disc, and the movable part is rotatably arranged around the preset axis relative to the handle part so as to ensure the fitting effect of the movable part and the pipe fitting to be processed or the rod piece to be processed in the bending groove and further ensure the bending effect of the pipe fitting to be processed or the rod piece to be processed in the bending groove. By using the bending device, the bending forming processing of the pipe fitting to be processed or the rod piece to be processed in the bending groove can be realized only by rotating the handle part, the convenience of the bending processing operation is greatly improved, and the problem that the copper pipe bending processing method in the prior art is inconvenient to operate is solved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 shows a schematic structural view of an embodiment of a bending device according to the utility model;

FIG. 2 is a schematic structural view of the bending apparatus shown in FIG. 1 with the support base and the operating platform detached;

FIG. 3 shows an exploded view of the bending apparatus of FIG. 1 with the operator station removed;

FIG. 4 is a schematic view of the bending apparatus of FIG. 1 with the connecting members and the mounting plate detached;

fig. 5 is a schematic structural view illustrating the fixing disc and the supporting seat of the bending device in fig. 3 after being assembled;

FIG. 6 is a schematic view of the handle portion and the movable portion of the bending apparatus of FIG. 3 shown assembled;

FIG. 7 shows a schematic structural view of the holding pan of the bending apparatus of FIG. 3;

FIG. 8 shows a schematic structural view from another perspective of the holding pan of the bending apparatus of FIG. 7;

FIG. 9 shows a side view of the holding pan of the bending apparatus of FIG. 7;

fig. 10 shows a schematic view of the movable part of the bending device of fig. 3;

FIG. 11 shows a schematic view of the connection of the bending apparatus of FIG. 3;

FIG. 12 is a schematic view of a stopper portion of the bending apparatus shown in FIG. 3;

FIG. 13 is a schematic view of the handle portion of the bending device of FIG. 1 in a first position and in engagement with a first segment of copper tubing;

FIG. 14 is a schematic view of the bending apparatus of FIG. 13 after the handle portion has been rotated 90 degrees to bend the first segment of copper tubing 90 degrees;

FIG. 15 is a schematic view of the bending apparatus of FIG. 13 after the handle portion is rotated 180 degrees to form a first section of copper tubing into a U-shaped tube;

FIG. 16 shows a schematic view of the handle portion of the bending device of FIG. 1 in a first position and in engagement with a second segment of copper tubing;

FIG. 17 is a schematic view of the bending apparatus of FIG. 16 after the handle portion has been rotated 90 degrees to bend a second segment of copper tubing 90 degrees;

fig. 18 is a schematic view showing the bending apparatus of fig. 16 after the handle portion is rotated 180 degrees to form a U-shaped tube from the second length of copper tube.

Wherein the figures include the following reference numerals:

100. a bending device;

10. fixing the disc; 11. a first groove; 12. a first connection hole; 13. a second locking hole; 14. a graduated scale; 15. a fourth locking hole;

20. a handle portion; 21. a first rotation hole; 22. a second connection hole;

30. a movable portion; 31. a second groove; 311. a first groove section; 312. a second groove section; 32. a second rotation hole;

51. a first rotating shaft; 511. a first shaft section; 512. a second shaft section; 513. a first flange; 52. a second rotating shaft; 521. a third shaft section; 522. a fourth shaft section; 523. a second flange; 53. a third rotating shaft; 54. a first fastening portion; 55. a second fastening portion; 56. a first locking member; 57. a second locking member; 58. a partition portion; 581. a fifth locking hole; 59. a third fastening portion;

60. a connecting member; 61. a first connection portion; 62. a second connecting portion; 63. a first locking hole; 64. a third connection hole;

70. a limiting part; 71. a limiting groove; 72. a third rotation hole; 73. a positioning part;

80. a supporting seat; 81. a first support plate; 82. a second support plate; 83. a third locking hole; 84. a reinforcing plate; 85. a sixth locking hole;

90. an operation table; 91. a third locking member; 92. a seventh locking hole; 200. copper tubing.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The utility model provides a bending device 100, please refer to fig. 1 to 18, the bending device 100 includes a fixed disk 10, a handle part 20 and a movable part 30, a first groove 11 is arranged on the periphery of the fixed disk 10, and the first groove 11 extends along the circumferential direction of the fixed disk 10; the handle part 20 is rotatably provided on the stationary platen 10 around the central axis of the stationary platen 10; the movable part 30 is provided with a second groove 31, and the second groove 31 is spliced together with part of the groove section of the first groove 11 to form a bending groove for accommodating a pipe fitting to be processed or a rod piece to be processed; the movable part 30 is rotatably arranged on the handle part 20 around a predetermined axis, so that the handle part 20 drives the movable part 30 to rotate; wherein the predetermined axis is parallel to the central axis of the fixed disk 10.

In the bending apparatus 100 of the present invention, the bending apparatus 100 includes a fixed disk 10, a handle part 20, and a movable part 30, a first groove 11 is provided at a periphery of the fixed disk 10, and the first groove 11 extends in a circumferential direction of the fixed disk 10; the handle part 20 is rotatably provided on the fixed platter 10 around the central axis of the fixed platter 10 so that the handle part 20 can rotate with respect to the fixed platter 10; the movable part 30 is provided with a second groove 31, and the second groove 31 is spliced together with part of the groove section of the first groove 11 to form a bending groove for accommodating a pipe fitting to be processed or a rod piece to be processed; the movable part 30 is rotatably arranged on the handle part 20 around a preset axis, so that the handle part 20 drives the movable part 30 to rotate around the central axis of the fixed disc 10, at the moment, the movable part 30 rotates along the periphery of the fixed disc 10, and further, the pipe fitting to be processed or the rod piece to be processed in the bending groove is bent; the predetermined axis is parallel to the central axis of the fixed disk 10, and the movable part 30 is rotatably arranged relative to the handle part 20 around the predetermined axis to ensure the fitting effect of the movable part 30 and the pipe or rod to be processed in the bending groove, so as to ensure the bending effect of the pipe or rod to be processed in the bending groove. By using the bending device 100, the bending forming processing of the pipe fitting to be processed or the rod piece to be processed in the bending groove can be realized only by rotating the handle part 20, the convenience of the bending processing operation is greatly improved, and the problem that the copper pipe bending processing method in the prior art is inconvenient to operate is solved.

In addition, based on the operational convenience of the bending apparatus 100, the bending efficiency of the pipe or the bar to be processed is greatly improved.

It should be noted that the periphery of the fixed disk 10 refers to a side periphery of the fixed disk 10 disposed around the central axis of the fixed disk 10.

Optionally, the pipe to be processed is a copper pipe 200.

In this embodiment, the bending apparatus 100 further includes a first rotating shaft 51, the first rotating shaft 51 is disposed on the fixed disk 10 in a penetrating manner, and a central axis of the first rotating shaft 51 coincides with a central axis of the fixed disk 10; the handle portion 20 is rotatably sleeved on the first rotating shaft 51.

Specifically, the fixed disk 10 is provided with a first connection hole 12, and the first rotating shaft 51 is detachably inserted into the first connection hole 12, so that the first rotating shaft 51 and the fixed disk 10 are relatively fixed; wherein the central axis of the first connection hole 12 coincides with the central axis of the fixed disk 10.

Specifically, the handle portion 20 is provided with a first rotating hole 21, and the handle portion 20 is rotatably sleeved on the first rotating shaft 51 through the first rotating hole 21.

Specifically, the first shaft 51 includes a first shaft section 511 and a second shaft section 512 connected to each other, the handle portion 20 is sleeved on the first shaft section 511, and the second shaft section 512 is inserted into the fixing plate 10.

Alternatively, the thickness direction of the handle portion 20 is parallel to the axial direction of the first rotating shaft 51; the first rotation hole 21 penetrates the handle portion 20 in the thickness direction of the handle portion 20; the length of the first shaft section 511 in the axial direction of the first rotating shaft 51 is greater than the thickness of the handle section 20, so that the handle section 20 can move a small distance in the axial direction of the first rotating shaft 51 to facilitate rotation of the handle section 20. I.e., handle portion 20 is clearance-fitted with mounting plate 10.

Optionally, a first flange 513 is protruded from the first shaft segment 511, and the handle portion 20 is located on a side of the first flange 513 close to the second shaft segment 512, so that the first flange 513 acts as a stop for the handle portion 20 to prevent the handle portion 20 from being detached from the first shaft segment 511. Preferably, the first flange 513 is disposed at an end of the first shaft segment 511 distal from the second shaft segment 512.

Optionally, the first flange 513, the first shaft segment 511, and the second shaft segment 512 are an integrally formed structure.

Optionally, the outer perimeter of the cross section of the first shaft segment 511 perpendicular to its axial direction is larger than the outer perimeter of the cross section of the second shaft segment 512 perpendicular to its axial direction; the second shaft section 512 is sleeved with a first fastening part 54, and the fixing disk 10 is located on one side of the first fastening part 54 close to the first shaft section 511, so that the fixing disk 10 is fixed between the first shaft section 511 and the first fastening part 54.

Optionally, a threaded connection between the first fastening portion 54 and the second shaft section 512; for example, the first fastening portion 54 is a nut.

In this embodiment, the bending apparatus 100 further includes a second rotating shaft 52, the second rotating shaft 52 is disposed through the handle portion 20, and a central axis of the second rotating shaft 52 forms a predetermined axis; the movable portion 30 is rotatably sleeved on the second rotating shaft 52.

Specifically, the handle portion 20 is provided with a second connecting hole 22, and the second rotating shaft 52 is detachably inserted into the second connecting hole 22, so that the second rotating shaft 52 and the handle portion 20 are relatively fixed; wherein the central axis of the second connection hole 22 coincides with the central axis of the second rotation shaft 52.

Specifically, the movable portion 30 is provided with a second rotating hole 32, and the movable portion 30 is rotatably sleeved on the second rotating shaft 52 through the second rotating hole 32.

Specifically, the second rotating shaft 52 includes a third shaft section 521 and a fourth shaft section 522 connected to each other, the movable portion 30 is sleeved on the third shaft section 521, and the fourth shaft section 522 is inserted through the handle portion 20.

Alternatively, the thickness direction of the movable portion 30 is parallel to the axial direction of the second rotating shaft 52; the second rotation hole 32 penetrates the movable portion 30 in the thickness direction of the movable portion 30; the length of the third shaft section 521 in the axial direction of the second rotating shaft 52 is greater than the thickness of the movable part 30, so that the movable part 30 can move a small distance in the axial direction of the second rotating shaft 52 to facilitate the rotation of the movable part 30; i.e. the movable portion 30 is a clearance fit with the handle portion 20.

Optionally, a second flange 523 is convexly disposed on the third shaft segment 521, and the movable portion 30 is located on a side of the second flange 523 close to the fourth shaft segment 522, so that the second flange 523 acts as a stop for the movable portion 30 to prevent the movable portion 30 from being detached from the third shaft segment 521. Preferably, the second flange 523 is disposed at an end of the third shaft segment 521 distal from the fourth shaft segment 522.

Optionally, the second flange 523, the third shaft segment 521 and the fourth shaft segment 522 are of unitary construction.

Optionally, the outer perimeter of the cross section of the third shaft segment 521 perpendicular to its axial direction is larger than the outer perimeter of the cross section of the fourth shaft segment 522 perpendicular to its axial direction; fourth shaft section 522 is sleeved with second fastening portion 55, and handle portion 20 is located on a side of second fastening portion 55 close to third shaft section 521, so that handle portion 20 is fixed between third shaft section 521 and second fastening portion 55.

Optionally, a threaded connection between the second fastening portion 55 and the fourth shaft segment 522; for example, the second fastening portion 55 is a nut.

Alternatively, the handle portion 20 is bar-shaped, the first rotation hole 21 is located at a first end of the handle portion 20, and a second end of the handle portion 20 is used as an operation end for a worker to hold.

Optionally, the stationary plate 10 is a disc structure.

Optionally, the second groove 31 includes a first groove section 311 and a second groove section 312 connected to each other, a central axis of the first groove section 311 and a central axis of the second groove section 312 are arranged at a predetermined included angle, and the predetermined included angle is an obtuse angle. The first groove section 311 and the second groove section 312 are strip-shaped grooves, the extending direction of the central axis of the first groove section 311 is the same as the extending direction of the first groove section 311, and the extending direction of the central axis of the second groove section 312 is the same as the extending direction of the second groove section 312; the bending groove is a strip-shaped groove, so that the contact area between the groove wall of the second groove 31 and the pipe fitting to be processed or the rod piece to be processed in the bending groove can be increased, and abnormal deformation of the pipe fitting to be processed or the rod piece to be processed caused by improper force application of the pipe fitting to be processed or the rod piece to be processed in the bending process is avoided.

Optionally, the cross section of the first groove 11 perpendicular to the extending direction thereof is arc-shaped, that is, the contact surface of the first groove 11 and the pipe fitting to be processed or the rod to be processed is an arc-shaped surface; the shape of the cross section of the second groove 31 perpendicular to the extending direction thereof is arc; namely, the contact surface of the second groove 31 and the pipe fitting to be processed or the rod piece to be processed is an arc surface.

Alternatively, the first groove 11 is disposed around the fixed disk 10.

In this embodiment, the bending apparatus further includes a connecting member 60 and a limiting portion 70, the connecting member 60 is connected to the fixed disk 10; the limiting part 70 is provided with a limiting groove 71, and the limiting part 70 is rotatably arranged on the connecting piece 60 around a set axis so that the limiting part 70 has a yielding position and a limiting position; the set axis is vertical to the central axis of the fixed disc 10; when the limiting part 70 is at the abdicating position, the limiting part 70 abdicating the pipe fitting to be processed or the rod piece to be processed which extends out of the first groove 11; when the limiting portion 70 is located at the limiting position, the pipe section of the pipe to be processed or the rod section of the rod to be processed, which extends out of the first groove 11, is accommodated in the limiting groove 71, so that the limiting portion 70 and the pipe to be processed or the rod to be processed are locked with each other, and the limiting portion 70 plays a limiting role in limiting the pipe to be processed or the rod to be processed.

It should be noted that, when the limiting portion 70 is located at the limiting position, the limiting portion 70 and the pipe fitting to be processed or the rod piece to be processed can be locked with each other, so that the limiting portion 70 at the limiting position does not need to be positioned, and thus the positioning operation after the limiting portion 70 rotates to the limiting position can be avoided, and the bending operation is simplified, so that the bending operation is more convenient. When the locking device is used specifically, the locking effect can be enhanced by increasing the contact area of the limiting part 70 and a pipe fitting to be processed or a rod piece to be processed; alternatively, the length of the limiting groove 71 in the extending direction of the pipe or the rod to be processed may be increased to increase the contact area between the limiting part 70 and the pipe or the rod to be processed, and/or the outer circumference of the cross section of the groove cavity of the limiting groove 71 may be increased to increase the contact area between the limiting part 70 and the pipe or the rod to be processed, and the cross section of the groove cavity of the limiting groove 71 is the cross section of the groove cavity of the limiting groove 71 perpendicular to the extending direction of the pipe or the rod to be processed.

In the specific implementation process, firstly, the limiting part 70 is positioned at the yielding position so as to facilitate the pipe fitting to be processed or the rod piece to be processed to be arranged in the bending groove in a penetrating manner; the limiting portion 70 is rotated to a limiting position, the pipe section of the pipe fitting to be processed or the rod section of the rod piece to be processed, which extends out of the first groove 11, is accommodated in the limiting groove 71, and the limiting portion 70 can limit the pipe fitting to be processed or the rod piece to be processed, so that the pipe fitting to be processed or the rod piece to be processed can be fixed.

It should be noted that, at this time, the pipe section or the rod section on one side of the pipe section or the rod section accommodated in the bending groove is the pipe section or the rod section to be subjected to the bending treatment, and at this time, the pipe section or the rod section on the other side of the pipe section or the rod section accommodated in the bending groove is the above-mentioned "pipe section of the pipe to be processed or rod section of the rod to be processed protruding from the first groove 11".

In the specific implementation process, a preset pipe section is reserved from one end of a pipe fitting to be processed or a rod piece to be processed, and bending processing is performed from the other end of the preset pipe section; this predetermined length of pipe forms the above-mentioned "length of pipe to be worked or the length of rod to be worked" protruding from the first recess 11.

Alternatively, the groove wall of the limit groove 71 is an arc-shaped surface, which is a part of a predetermined cylindrical surface.

In this embodiment, the bending apparatus 100 further includes a third rotating shaft 53, the third rotating shaft 53 is disposed on the connecting member 60 in a penetrating manner, the limiting portion 70 is rotatably sleeved on the third rotating shaft 53, and a central axis of the third rotating shaft 53 forms a set axis.

Specifically, the connecting member 60 is provided with a third connecting hole 64, and the third rotating shaft 53 is fixedly inserted into the third connecting hole 64.

Specifically, the limiting portion 70 has a third rotating hole 72, the limiting portion 70 is rotatably sleeved on the third rotating shaft 53 through the third rotating hole 72, and a central axis of the third rotating hole 72 coincides with a central axis of the third rotating shaft 53.

Alternatively, the body of one bolt is formed as the third shaft 53, and the third connecting hole 64 is a blind hole.

In the present embodiment, the connecting member 60 includes a first connecting portion 61 and a second connecting portion 62 connected to each other, the first connecting portion 61 is used for connecting with the fixed disk 10, and the limiting portion 70 is rotatably disposed on the second connecting portion 62.

Alternatively, the first connection portion 61 and the second connection portion 62 form an L-shaped structure.

Specifically, the first locking member 56 is inserted through the connecting member 60 and the fixing plate 10 to fix the connecting member 60 and the fixing plate 10 relatively.

Optionally, a first locking hole 63 is formed in the connecting member 60, a second locking hole 13 is formed in the fixed disk 10, and the first locking member 56 is sequentially inserted into the first locking hole 63 and the second locking hole 13.

Optionally, the number of the first locking holes 63 and the number of the second locking holes 13 are multiple, and the multiple first locking holes 63 and the multiple second locking holes 13 are arranged in a one-to-one correspondence manner; the plurality of first locking members 56 are provided in one-to-one correspondence with the plurality of first locking holes 63; the plurality of first locking pieces 56 are provided in one-to-one correspondence with the plurality of second locking holes 13.

Specifically, the position limiting part 70 is provided with a positioning part 73, and the positioning part 73 extends out of the position limiting part 70 to the outer side of the connecting piece 60 along the extension direction of the set axis; when the limiting part 70 rotates to the limiting position, the positioning part 73 abuts against the connecting piece 60 to stop the limiting part 70, so that the limiting part 70 is prevented from continuing to rotate, and the limiting part 70 is positioned at the limiting position.

When the stopper portion 70 is rotated to the stopper position, the positioning portion 73 is located on the side of the stopper portion 70 facing the abdicating position.

Alternatively, when the stopper portion 70 is rotated to the stopper position, the positioning portion 73 abuts against the second connecting portion 62.

In the present embodiment, a plurality of indication portions are provided on the fixed disk 10 to determine the rotation angle of the handle portion 20 through the plurality of indication portions.

Alternatively, a scale 14 is provided on one plate surface of the fixed disk 10, and a plurality of scale marks of the scale 14 are provided along the circumferential direction of the fixed disk 10; the plurality of scale lines of the scale 14 form a plurality of indication portions. For example, the scale 14 comprises 180 degree angular graduations.

In this embodiment, the bending apparatus 100 further includes a supporting base 80, and the supporting base 80 is detachably connected to the fixed tray 10 to support the fixed tray 10. In addition, the fixed disks 10 with different specifications are convenient to replace so as to bend the pipe fitting to be processed or the rod piece to be processed at different angles.

Specifically, the supporting seat 80 includes a first supporting plate 81 and a second supporting plate 82 connected to each other, the first supporting plate 81 is used for fixedly connecting with the fixed disk 10; the first support plate 81 and the second support plate 82 are perpendicular to each other. Optionally, the first support plate 81 and the second support plate 82 are both steel plates.

Specifically, the support seat 80 and the fixed disk 10 are relatively fixed by the second locking member 57 penetrating through the support seat 80 and the fixed disk 10.

Specifically, the supporting seat 80 is provided with a third locking hole 83 for the second locking member 57 to pass through, and the fixed disk 10 is provided with a fourth locking hole 15 for the second locking member 57 to pass through.

Optionally, a plurality of third locking holes 83 and a plurality of fourth locking holes 15 are provided, and the plurality of third locking holes 83 and the plurality of fourth locking holes 15 are arranged in a one-to-one correspondence manner; the plurality of second locking members 57 are disposed in one-to-one correspondence with the plurality of third locking holes 83; the plurality of second locking members 57 are provided in one-to-one correspondence with the plurality of fourth locking holes 15.

Optionally, the second locking member 57 is sleeved with a third fastening portion 59, and the third fastening portion 59 is located on one side of the fixed tray 10 far away from the supporting seat 80; for example, the third fastening portion 59 is a nut.

Specifically, the bending device 100 further includes a partition 58, the partition 58 being disposed between the support base 80 and the fixed tray 10; that is, the partition 58 is disposed between the first support plate 81 and the fixed disk 10.

Specifically, the partition 58 is provided with a fifth locking hole 581 through which the second locking member 57 passes; when the third locking holes 83 and the fourth locking holes 15 are plural, the fifth locking holes 581 are plural, and the plural second locking members 57 and the plural fifth locking holes 581 are disposed in one-to-one correspondence.

Specifically, the bending apparatus 100 further includes an operation table 90, and the support 80 is mounted on the operation table 90, so that the structure of the handle portion 20, the fixed tray 10, and the movable portion 30 is in a position convenient for an operator to operate. Optionally, the second support plate 82 is adapted to be coupled to a console 90.

Specifically, the supporting seat 80 and the operating platform 90 are relatively fixed by a third locking member 91 penetrating through the supporting seat 80 and the operating platform 90. Optionally, the third locking member 91 is plural; the third locking member 91 is a bolt or a screw.

Specifically, a sixth locking hole 85 is formed in the support seat 80, a seventh locking hole 92 is formed in the operating platform 90, and a third locking member 91 is inserted into the sixth locking hole 85 and the seventh locking hole 92.

Optionally, the number of the sixth locking holes 85 and the number of the seventh locking holes 92 are multiple, and the multiple sixth locking holes 85 and the multiple seventh locking holes 92 are arranged in a one-to-one correspondence manner; the plurality of third locking members 91 are disposed in one-to-one correspondence with the plurality of sixth locking holes 85, and the plurality of third locking members 91 are disposed in one-to-one correspondence with the plurality of seventh locking holes 92.

Specifically, the support seat 80 further includes a reinforcing plate 84, the reinforcing plate 84 is disposed between the first support plate 81 and the second support plate 82, and the reinforcing plate 84 is connected to both the first support plate 81 and the second support plate 82.

Alternatively, the reinforcing plate 84, the first support plate 81, and the second support plate 82 are welded.

In a specific implementation process, as shown in fig. 13 to 15, the handle portion 20 is first located at a first position, and the movable portion 30 is also located at a corresponding first position, so that the first end of the copper tube 200 penetrates into the bending groove from top to bottom and the limiting portion 70 is located at a limiting position; rotating the handle portion 20 90 degrees from its first position to allow the movable portion 30 to bend the first length of copper tube 200 by 90 degrees; then the handle part 20 is rotated for 90 degrees, so that the first pipe section of the copper pipe 200 forms a U-shaped pipe section; the position limiting part 70 is rotated to the receding position, and the copper tube 200 is moved out upward. As shown in fig. 16 to 18, the second pipe segment of the copper pipe 200 is subjected to the same bending process as the first pipe segment; wherein, when the handle portion 20 is at the first position, the second end of the copper tube 200 is inserted into the bending slot from bottom to top.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

in the bending apparatus 100 of the present invention, the bending apparatus 100 includes a fixed disk 10, a handle part 20, and a movable part 30, a first groove 11 is provided at a periphery of the fixed disk 10, and the first groove 11 extends in a circumferential direction of the fixed disk 10; the handle part 20 is rotatably provided on the fixed platter 10 around the central axis of the fixed platter 10 so that the handle part 20 can rotate with respect to the fixed platter 10; the movable part 30 is provided with a second groove 31, and the second groove 31 is spliced together with part of the groove section of the first groove 11 to form a bending groove for accommodating a pipe fitting to be processed or a rod piece to be processed; the movable part 30 is rotatably arranged on the handle part 20 around a preset axis, so that the handle part 20 drives the movable part 30 to rotate around the central axis of the fixed disc 10, at the moment, the movable part 30 rotates along the periphery of the fixed disc 10, and further, the pipe fitting to be processed or the rod piece to be processed in the bending groove is bent; the predetermined axis is parallel to the central axis of the fixed disk 10, and the movable part 30 is rotatably arranged relative to the handle part 20 around the predetermined axis to ensure the fitting effect of the movable part 30 and the pipe or rod to be processed in the bending groove, so as to ensure the bending effect of the pipe or rod to be processed in the bending groove. By using the bending device 100, the bending forming processing of the pipe fitting to be processed or the rod piece to be processed in the bending groove can be realized only by rotating the handle part 20, the convenience of the bending processing operation is greatly improved, and the problem that the copper pipe bending processing method in the prior art is inconvenient to operate is solved.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (11)

1. A bending device, comprising:

the fixing plate (10) is provided with a first groove (11) at the periphery of the fixing plate (10), and the first groove (11) extends along the circumferential direction of the fixing plate (10);

a handle portion (20), the handle portion (20) being rotatably provided on the stationary platen (10) around a central axis of the stationary platen (10);

the movable part (30) is provided with a second groove (31), and the second groove (31) and a part of groove sections of the first groove (11) are jointly spliced to form a bending groove for accommodating a pipe fitting to be machined or a rod piece to be machined; the movable part (30) is rotatably arranged on the handle part (20) around a preset axis, so that the handle part (20) drives the movable part (30) to rotate; wherein the predetermined axis is parallel to the central axis of the fixed disk (10).

2. The bending device according to claim 1, further comprising:

the first rotating shaft (51), the first rotating shaft (51) penetrates through the fixed disk (10), and the central axis of the first rotating shaft (51) is overlapped with the central axis of the fixed disk (10); the handle part (20) is rotatably sleeved on the first rotating shaft (51); and/or

A second rotating shaft (52), wherein the second rotating shaft (52) is arranged on the handle part (20) in a penetrating way, and the central axis of the second rotating shaft (52) forms the preset axis; the movable part (30) is rotatably sleeved on the second rotating shaft (52).

3. The bending device according to claim 2, wherein the first rotating shaft (51) comprises a first shaft section (511) and a second shaft section (512) which are connected with each other, the handle portion (20) is sleeved on the first shaft section (511), and the second shaft section (512) is arranged on the fixed disc (10) in a penetrating manner; a first flange (513) is convexly arranged on the first shaft section (511), and the handle part (20) is positioned on one side of the first flange (513) close to the second shaft section (512).

4. The bending device according to claim 2, wherein the second rotating shaft (52) comprises a third shaft section (521) and a fourth shaft section (522) which are connected with each other, the movable portion (30) is sleeved on the third shaft section (521), and the fourth shaft section (522) is arranged on the handle portion (20) in a penetrating manner; the third shaft section (521) is convexly provided with a second flange (523), and the movable part (30) is positioned on one side, close to the fourth shaft section (522), of the second flange (523).

5. The bending device according to claim 1,

the fixed disc (10) is of a disc structure; and/or

The second groove (31) comprises a first groove section (311) and a second groove section (312) which are connected with each other, the central axis of the first groove section (311) and the central axis of the second groove section (312) are arranged at a preset included angle, and the preset included angle is an obtuse angle.

6. The bending device according to claim 1, further comprising:

the connecting piece (60), the said connecting piece (60) is connected with said fixed disk (10);

the limiting part (70), the limiting part (70) has a limiting groove (71), the limiting part (70) is rotatably arranged on the connecting piece (60) around a set axis, so that the limiting part (70) has a yielding position and a limiting position; the set axis is vertical to the central axis of the fixed disc (10);

when the limiting part (70) is located at the abdicating position, the limiting part (70) abdicating the pipe fitting to be processed or the rod piece to be processed which extends out of the first groove (11); when the limiting part (70) is located at the limiting position, the pipe section of the pipe fitting to be processed or the rod section of the rod piece to be processed, which extends out of the first groove (11), is accommodated in the limiting groove (71), so that the limiting part (70) and the pipe fitting to be processed or the rod piece to be processed are locked with each other.

7. The bending device according to claim 6, further comprising:

third pivot (53), third pivot (53) wear to establish on connecting piece (60), spacing portion (70) rotationally overlap and establish on third pivot (53), the central axis of third pivot (53) forms set for the axis.

8. The bending apparatus according to claim 6, wherein the connecting member (60) comprises a first connecting portion (61) and a second connecting portion (62) connected to each other, the first connecting portion (61) is used for connecting with the fixed plate (10), and the limiting portion (70) is rotatably disposed on the second connecting portion (62).

9. The bending device according to claim 6, wherein the limiting portion (70) is provided with a positioning portion (73), and the positioning portion (73) extends out of the limiting portion (70) to the outer side of the connecting piece (60) along the extension direction of the set axis; when the limiting part (70) rotates to the limiting position, the positioning part (73) is abutted to the connecting piece (60) so as to stop the limiting part (70).

10. The bending device according to claim 1, wherein a plurality of indication portions are provided on the fixed plate (10) to determine a rotation angle of the handle portion (20) through the plurality of indication portions.

11. The bending device according to claim 1, further comprising a support base (80), wherein the support base (80) is detachably connected with the fixed disk (10) to support the fixed disk (10); the bending device further comprises:

a partition part (58), the partition part (58) being disposed between the support base (80) and the fixed disk (10); and/or

The operation panel (90), supporting seat (80) is installed on operation panel (90).

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