CN117139498A

CN117139498A - Special-shaped section bar bending equipment

Info

Publication number: CN117139498A
Application number: CN202311246960.1A
Authority: CN
Inventors: 赵孟; 陈锦号; 夏荣文; 姚碧波; 胡宇锋
Original assignee: ZHUZHOU JIUFANG BRAKE EQUIPMENT CO Ltd; Hunan Lince Rolling Stock Equipment Co Ltd
Current assignee: ZHUZHOU JIUFANG BRAKE EQUIPMENT CO Ltd; Hunan Lince Rolling Stock Equipment Co Ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2023-12-01

Abstract

The application relates to the technical field of bending equipment, and discloses special-shaped section bar bending equipment. The bending machine comprises a workbench, wherein a driving wheel assembly is arranged on the upper surface of the workbench and is used for dragging a section bar to be bent, a buckling wheel assembly is arranged on the lateral side of the driving wheel assembly and is used for supporting the section bar, and a swinging assembly is arranged on the lateral side of the buckling wheel assembly and is used for realizing bending processing of the section bar; the swing component comprises a bottom plate fixed on the upper surface of the workbench, a trace block and a guide rail are fixed on the upper surface of the bottom plate, a bending groove head is connected in the guide rail in a sliding manner, the outer side surface of the bending groove head is connected with a hydraulic system, and the reciprocating movement effect of the bending groove head on the guide rail is realized. The application solves the problems of high manufacturing cost and low working efficiency caused by the fact that when a section bar with special-shaped section and low rigidity is bent, the section bar needs to be taken down for scribing after being bent once, and parameters such as bending position, radius and the like are determined to be bent again.

Description

Special-shaped section bar bending equipment

Technical Field

The application relates to the technical field of bending equipment, in particular to special-shaped section bar bending equipment.

Background

The bending equipment is mechanical equipment for processing metal profiles, the profiles are bent according to the required shapes, the customization of the shapes of the materials is realized, the bending equipment plays an important role in the aspects of shape customization, strength enhancement, processing efficiency improvement, processing precision improvement and the like, the requirements of different industries and fields on material bending processing can be met, the bending equipment is commonly used in the fields of manufacturing door and window frames, aerospace components, building structures, rail transit and the like, the bending equipment is generally composed of a feeding system, a positioning system, a bending system, a control system and the like, the profiles are fed into the bending area through the feeding system according to a preset track, the positioning system is utilized to accurately position the profiles when the profiles enter the bending area, the bending processing of the metal profiles is realized in the bending system, and the control system is used for controlling the operation of the whole profile bending equipment.

When bending the section bar in the rail vehicle field, because the size, span of rail vehicle section bar are great, the cross-section is dysmorphism, and rigidity is not strong, the in-process of bending to it appears deformation and torsion easily, consequently, need select suitable bending mould, the geometry of mould is to be matchd with the section bar, in order to guarantee to bend the in-process be difficult for producing deformation or destruction, and when bending processing such as bending the section bar S bend, push away the arc, become radius, need take off the section bar from bending equipment after bending the section bar once, carry out the marking off in order to confirm bending position and guide to the bending operation, put the section bar on bending equipment and bend the second and bend again, lead to manufacturing cost height, inefficiency' S problem.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the application provides a special-shaped section profile bending device, which solves the problems that when a profile with special-shaped section and low rigidity is bent, a profile is required to be taken down after being bent for one time, and bending can be performed again, so that the manufacturing cost is high, the working efficiency is low, and the processing requirements of S bending, arc pushing, radius changing and the like are difficult to be efficiently completed.

(II) technical scheme

In order to achieve the above purpose, the present application provides the following technical solutions: the special-shaped section profile bending equipment comprises a workbench, wherein a driving wheel assembly is arranged on the upper surface of the workbench and used for dragging a profile to be bent, a buckling wheel assembly is arranged on the lateral side of the driving wheel assembly and used for supporting the profile, and a swinging assembly is arranged on the lateral side of the buckling wheel assembly so as to realize bending processing of the profile; the swing assembly comprises a bottom plate fixed on the upper surface of the workbench, a trace block and a guide rail are fixed on the upper surface of the bottom plate, a bending groove head is connected in the guide rail in a sliding manner, the outer side surface of the bending groove head is connected with a hydraulic system, the reciprocating movement effect of the bending groove head on the guide rail is realized, two symmetrically arranged swing heads are arranged in the bending groove head, a first pin shaft is arranged at the bottom of the swing head, a bearing is sleeved outside the first pin shaft, and the swing head can roll on the surface of the trace block through the bearing; the falling speed of the swinging head can be adjusted by changing the shape of the shape mark block, and the verticality of the swinging head can be adjusted by increasing or decreasing the height of the shape mark block in the vertical direction.

Preferably, the upper surface of the swinging head is connected with a bending die through a mounting pin shaft, the swinging head is used for bending a bending section bar, and a cover plate is arranged at the top of the mounting pin shaft and used for protecting the mounting pin shaft.

Preferably, a second pin shaft is arranged in the swinging head, the swinging head can rotate by less than or equal to 90 degrees around the second pin shaft, and the second pin shaft is positioned at the inner side of the two pin shafts.

Preferably, the trace block comprises a rolling part and a turning part, wherein the cross section of the side surface of the rolling part is rectangular and is used for accommodating the turned swinging head; the turning part is arranged at the middle position on the rolling part, the section shape of the turning part is symmetrical, and the connection parts of the upper surface of the turning part and the inclined plane, the bottom surface of the turning part and the rolling part are all provided with arc transition lines.

Preferably, the buckling wheel comprises a bearing plate, the section of the bearing plate is C-shaped, the opening faces the driving wheel, the buckling plate is fixed at the middle of the upper surface of the bearing plate, and the first buckling wheel and the second buckling wheel are fixed inside the buckling plate and used for positioning the bending section.

Preferably, the clearance between the first abutting wheel and the second abutting wheel and the clearance between the first abutting wheel and the second abutting wheel are 0.5 mm-1.5 mm, so that the bent section can be arranged between the two abutting wheels, and the positive sections of the first abutting wheel and the second abutting wheel are matched with the outer section of the bent section.

Preferably, the driving wheel assembly comprises a fixed plate, wherein the upper surface of the fixed plate is provided with two groups of guide wheels, and the number of each group of guide wheels is four and the guide wheels are distributed in a straight line array; one group of guide wheels is rotationally connected to the fixed position on the upper surface of the fixed plate, and the connection position of the other group of guide wheels and the fixed plate can be adjusted to be used for traction of the bent section bar.

(III) beneficial effects

Compared with the prior art, the application provides a special-shaped section bar bending device, which comprises the following components

The beneficial effects are that:

when the section special-shaped section is bent, the section is pulled into the buckling wheel assembly through the driving wheel assembly, the buckling wheel assembly is utilized to position the section, the bending position and parameters are determined, the swinging head is moved and turned by utilizing the swinging assembly according to bending requirements, the turning speed and the verticality of the swinging head can be adjusted by changing the shape and the thickness of the shape mark block, the section is bent in a two-way manner, multiple bending treatments can be directly carried out on the section, the replacement of a folding die can be realized through the mounting pin shaft, and the application range is enlarged.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:

FIG. 1 is a schematic perspective view of a workbench according to the application;

FIG. 2 is a schematic perspective view of a driving wheel assembly according to the present application;

FIG. 3 is a schematic perspective view of the construction of the abutment wheel of the present application;

fig. 4 is a cut-away perspective view of the swing assembly of the present application.

Reference numerals illustrate:

1. a work table; 2. a driving wheel; 21. a fixing plate; 22. a guide wheel; 3. the supporting buckle wheel is formed; 31. a carrying plate; 32. a buckling plate; 33. a first abutting wheel; 34. a second abutting wheel; 4. swinging to form; 41. a bottom plate; 42. a trace block; 421. a rolling part; 422. a turnover part; 43. a guide rail; 44. bending the groove head; 441. a swinging head; 442. a first pin; 443. a bearing; 444. installing a pin shaft; 445. bending a die; 446. a cover plate; 447. and a second pin.

Detailed Description

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

Fig. 1-4 show an embodiment of the present application, a bending device for a profile with a special-shaped section, comprising a workbench 1, wherein the upper surface of the workbench 1 is provided with a driving wheel assembly 2 for dragging the profile to be bent, the side of the driving wheel assembly 2 is provided with a buckling wheel assembly 3 for supporting the profile, and the side of the buckling wheel assembly 3 is provided with a swinging assembly 4 for bending the profile; the swinging component 4 comprises a bottom plate 41 fixed on the upper surface of the workbench 1, a trace block 42 and a guide rail 43 are fixed on the upper surface of the bottom plate 41, a bending groove head 44 is connected in a sliding manner in the guide rail 43, the outer side surface of the bending groove head 44 is connected with a hydraulic system to realize the reciprocating movement of the bending groove head 44 on the guide rail 43, two swinging heads 441 which are symmetrically arranged are arranged in the bending groove head 44, a first pin shaft 442 is arranged at the bottom of the swinging head 441, a bearing 443 is sleeved outside the first pin shaft 442, and the swinging head 441 can roll on the surface of the trace block 42 through the bearing 443; wherein, the falling speed of the swinging head 441 can be adjusted by changing the shape of the shape mark block 42, and the verticality of the swinging head 441 can be adjusted by increasing or decreasing the height of the shape mark block 42 in the vertical direction.

In the actual use, when the special-shaped section profile is required to be bent, the profile is placed on the workbench 1, the front end of the profile enters the driving wheel assembly 2, the driving wheel assembly 2 is utilized to pull the bent profile, the bent profile is enabled to move forwards into the buckling wheel assembly 3, the buckling wheel assembly 3 supports and limits the bent profile, after the front end of the profile enters the swinging assembly 4, the bending groove head 44 is controlled to move on the guide rail 43 according to bending requirements, the swinging head 441 moves under the driving of the bending groove head 44, the front end of the bottom of the swinging head 441 rolls on the surface of the profile block 42 in a pin shaft sleeve bearing 443, friction force when the swinging head 441 moves is reduced, one swinging head 441 overturns under the guiding action of the profile block 42, the whole swinging head 441 can enter the bending groove, the overturning speed of the swinging head 441 can be adjusted by changing the shape of the profile block 42, the thickness of the swinging head 441 is adjusted, the verticality of the swinging head 441 is adjusted, the profile is prevented from being caused during bending, and the profile is convenient to bend.

The upper surface of the swinging head 441 is connected with a bending die 445 through a mounting pin 444, and is used for bending a bending section, and a cover plate 446 is arranged at the top of the mounting pin 444 and is used for protecting the mounting pin 444.

When the swinging heads 441 are utilized to carry out bending treatment, one swinging head 441 is turned over under the guiding action of the trace block 42, and the other swinging head 441 moves to the edge of the upper surface of the trace block 42, so that the profile passing through the abutting wheel assembly 3 bypasses the outer circular surface of the swinging head 441 at the edge, at the moment, the bending profile is contacted with the bending die 445, the bending treatment of the profile is realized, the swinging heads 441 are connected with the bending die 445 through the mounting pin 444, the bending die 445 is conveniently replaced according to the shape of the profile, and the application range is enlarged.

Specifically, the swinging head 441 is provided with a second pin 447, the swinging head 441 can rotate by less than or equal to 90 degrees around the second pin 447, and the second pin 447 is located at the inner side where the two pins 444 are installed.

When the swinging head 441 moves on the surface of the trace block 42 under the driving of the bending groove head 44, the bottom of the swinging head 441 moves along the surface of the trace block 42 to turn over, the swinging head 441 takes the second pin 447 as a rotation center during turning over, the second pin 447 is arranged on the inner side of the mounting pin 444 and is positioned at the position of the gravity center offset, so that the swinging head 441 can conveniently fall down by gravity during turning over, and the moving and turning over process of the swinging head 441 is smooth.

More specifically, the shape mark piece 42 includes a rolling portion 421 and a turning portion 422, and the rolling portion 421 has a rectangular side sectional shape for accommodating the turned swing head 441; the turning part 422 is arranged at the middle position on the rolling part 421, the section shape of the turning part 422 is symmetrical, and the connection parts of the upper surface of the turning part 422 and the inclined plane, the bottom surface of the turning part 422 and the rolling part 421 are all provided with arc transition lines.

In the actual use process, when the swinging heads 441 are driven by the bending groove heads 44 to move on the surfaces of the trace blocks 42, the two swinging heads 441 are located on the upper surfaces of the turning parts 422 in the initial state, when the bending groove heads 44 move rightwards, the bottoms of the swinging heads 441 located on the right side move along the inclined surfaces of the turning parts 422, so that the swinging heads 441 turn over, when the bottoms of the swinging heads 441 on the right side move to the rolling parts 421, the whole swinging heads 441 enter the bending groove heads 44, and the swinging heads 441 on the left side move to the edges of the turning parts 422 under the driving of the bending groove heads 44 and are in contact with the other swinging heads 441, so that the section bar bypasses the swinging heads 441 vertical to the bending groove heads 44, and the right bending of the section bar is realized.

The supporting buckle wheel assembly 3 comprises a bearing plate 31, the section of the bearing plate 31 is C-shaped, an opening faces the driving wheel assembly 2, a supporting buckle plate 32 is fixed at the middle position of the upper surface of the bearing plate 31, a first supporting buckle wheel 33 and a second supporting buckle wheel 34 are fixed inside the supporting buckle plate 32 and used for positioning a bending profile, determining parameters such as a bending position, a radius and the like, and improving the effect of bending treatment.

When the profile is drawn into the buckling wheel assembly 3 by the driving wheels, the buckling plate 32 limits the upper part of the buckling profile, a gap for the profile to pass through is reserved between the first buckling wheel 33 and the second buckling wheel 34, the inner surface and the outer surface of the profile are positioned, the bearing plate 31 is arranged in a C shape, the contact area between the bearing plate 31 and the driving wheel assembly 2 can be enlarged while the compactness of the machine structure is ensured, and the stability of the buckling wheel assembly 3 is improved.

Specifically, the clearance between the first abutting-buckling wheel 33 and the second abutting-buckling wheel 34 and the passing section bar is 0.5 mm-1.5 mm, so that the bending section bar can be arranged between the two abutting-buckling wheels, and the positive sections of the first abutting-buckling wheel 33 and the second abutting-buckling wheel 34 are matched with the outer section of the bending section bar.

When the profile is bent, the profile needs to pass through a gap between the first abutting wheel 33 and the second abutting wheel 34, so that the gap between the profile and the passing profile is within 0.5-1.5 mm, smooth passing of the profile is ensured, the positive sections of the first abutting wheel 33 and the second abutting wheel 34 are matched with the outer section of the bent profile, the contact area of the profile and the two abutting wheels is enlarged, and the profile is supported and protected.

The driving wheel assembly 2 comprises a fixed plate 21, two groups of guide wheels 22 are arranged on the upper surface of the fixed plate 21, and the number of each group of guide wheels 22 is four and the guide wheels are distributed in a straight line array; one group of guide wheels 22 is rotatably connected to the upper surface of the fixing plate 21 at a fixed position, and the connection position of the other group of guide wheels 22 and the fixing plate 21 can be adjusted for traction of the bent profile.

In the actual use process, when the profile is pulled by using the driving wheel assembly 2, the profile enters between the two groups of guide wheels 22, and the position of the movable guide wheels 22 is adjusted according to the thickness of the profile, so that the profile can penetrate between the guide wheels 22 and does not slide relatively, and the profile is pulled to be bent by using the driving wheel assembly 2.

While certain exemplary embodiments of the present application have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the application. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the application, which is defined by the appended claims.

Claims

1. The utility model provides a special-shaped cross-section bar equipment of bending, includes workstation (1), its characterized in that: the upper surface of the workbench (1) is provided with a driving wheel assembly (2) for drawing a section bar to be bent, a buckling wheel assembly (3) is arranged on the side of the driving wheel assembly (2) and used for supporting the section bar, and a swinging assembly (4) for bending the section bar is arranged on the side of the buckling wheel assembly (3);

the swing assembly (4) comprises a bottom plate (41) fixed on the upper surface of the workbench (1), a trace block (42) and a guide rail (43) are fixed on the upper surface of the bottom plate (41), a bending groove head (44) is connected in a sliding manner in the guide rail (43), the outer side surface of the bending groove head (44) is connected with a hydraulic system, and the reciprocating movement effect of the bending groove head (44) on the guide rail (43) is realized;

two symmetrical swinging heads (441) are arranged in the bending groove head (44), a first pin shaft (442) is arranged at the bottom of the swinging heads (441), a bearing (443) is sleeved outside the first pin shaft (442), and the swinging heads (441) can roll on the surface of the trace block (42) through the bearing (443);

wherein, the falling speed of the swinging head (441) can be adjusted by changing the shape of the shape mark block (42), and the verticality of the swinging head (441) can be adjusted by increasing or decreasing the height of the shape mark block (42) in the vertical direction.

2. The special-shaped section bar bending equipment as claimed in claim 1, wherein: the upper surface of the swinging head (441) is connected with a bending die (445) through a mounting pin shaft (444) and is used for bending a bending section bar, and a cover plate (446) is arranged at the top of the mounting pin shaft (444) and is used for protecting the mounting pin shaft (444).

3. A special-section profile bending apparatus as claimed in claim 2, characterized in that: the swinging head (441) is internally provided with a second pin shaft (447), the swinging head (441) can rotate by less than or equal to 90 degrees around the second pin shaft (447), and the second pin shaft (447) is positioned at the inner side of the two pin shafts (444).

4. A special-section profile bending apparatus as claimed in claim 3, wherein: the trace block (42) comprises a rolling part (421) and a turnover part (422), wherein the cross section of the side surface of the rolling part (421) is rectangular and is used for accommodating the turnover swinging head (441);

the turning part (422) is arranged at the middle position on the rolling part (421), the section shape of the turning part (422) is symmetrical, and the connection parts of the upper surface of the turning part (422) and the inclined plane, and the bottom surface of the turning part (422) and the rolling part (421) are all provided with arc transition lines.

5. The special-shaped section bar bending equipment as claimed in claim 1, wherein: the buckling wheel assembly (3) comprises a bearing plate (31), the cross section of the bearing plate (31) is C-shaped, an opening faces the driving wheel assembly (2), a buckling plate (32) is fixed at the middle position of the upper surface of the bearing plate (31), and a first buckling wheel (33) and a second buckling wheel (34) are fixed inside the buckling plate (32) and used for positioning a bending section bar.

6. The special-shaped section bar bending equipment as claimed in claim 5, wherein: the clearance between the first abutting wheel (33) and the second abutting wheel (34) and the passing section bar is 0.5 mm-1.5 mm, the bending section bar is ensured to be arranged between the two abutting wheels, and the positive sections of the first abutting wheel (33) and the second abutting wheel (34) are matched with the outer section of the bending section bar.

7. The special-shaped section bar bending equipment as claimed in claim 1, wherein: the driving wheel assembly (2) comprises a fixed plate (21), two groups of guide wheels (22) are arranged on the upper surface of the fixed plate (21), and the number of each group of guide wheels (22) is four and the guide wheels are distributed in a linear array;

one group of guide wheels (22) is rotatably connected to the fixed position on the upper surface of the fixed plate (21), and the connection position of the other group of guide wheels (22) and the fixed plate (21) can be adjusted for traction of the bent profile.