CN210647871U

CN210647871U - Bending device

Info

Publication number: CN210647871U
Application number: CN201921364962.XU
Authority: CN
Inventors: 闫庆文; 王军伟; 侯海峰
Original assignee: CRRC Datong Co Ltd
Current assignee: CRRC Datong Co Ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-06-02
Anticipated expiration: 2029-08-21

Abstract

The utility model discloses a device of buckling, include: the first bending structure, the second bending structure and the fixing column. The first bending structure comprises: a first handle; the fixing plate is arranged at intervals with the first handle, and a first bending column is convexly arranged on the edge of the surface of one side, back to the first handle, of the fixing plate; and one end of the shaft sleeve is connected with one end of the first handle, and the other end of the shaft sleeve is connected with the middle part of the fixing plate. The second structure of buckling includes: one end of the second handle extends to the position between the first handle and the fixing plate and is rotatably sleeved on the shaft sleeve, and a second bending column is convexly arranged on the surface of one side, back to the first handle, of the second handle. The fixing column penetrates through the shaft sleeve, and one end of the fixing column protrudes out of the surface of one side, back to the first handle, of the fixing plate; the first bending column, the second bending column and the fixing column respectively abut against two sides of the piece to be bent, and the piece to be bent is accurately bent and can be bent in the vertical direction through relative rotation of the first bending column and the second bending column.

Description

Bending device

Technical Field

The utility model relates to an equipment technical field of buckling especially relates to a device of buckling.

Background

In many applications it is desirable to bend materials, such as copper flex, optical fiber, sheet material, etc., to achieve the best bend in use. For example, electric locomotives are the primary traction power equipment in the rail transportation industry. The power supply at the top of the locomotive is 2.5KV direct current, and if the motor of the electric locomotive needs to obtain 380V voltage, the inversion of a transformer is needed. Therefore, the skin of the copper bus line provided in the transformer cannot be broken. The copper busbar is typically fixed in the transformer by soldering. In the welding process, the copper bar line needs to be bent. Generally, two bending modes are adopted, one is numerical control mechanical bending, the bending precision can be well controlled, but the numerical control mechanical bending needs a large field for placing a numerical control machine, so that the mode is limited by the field; the other type is that the vice is used for clamping the copper flat cable to be directly bent, but the bending mode can cause the trend of the copper flat cable, the bending angle and the size inaccuracy, and the surface skin of the copper flat cable is easy to damage. In addition, although the conventional simple bending tools can easily perform bending operation in the horizontal direction, bending is difficult in the vertical (e.g., perpendicular to the ground) direction, and the bending is inconvenient because the above-mentioned numerical control machine or other complicated bending tools are required.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an at least defect among the above-mentioned prior art is overcome to a main aim at, provides a device of buckling, its simple structure, and occupation space is little, and convenient operation can control the trend of waiting to buckle, the angle of buckling etc. accurately to can not cause the epidermis damage of waiting to buckle, buckle the use angle of device through the adjustment, can realize treating in vertical direction that the piece of buckling is buckled.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

according to the utility model discloses an aspect provides a device of buckling for buckle and wait to buckle, the device of buckling includes: the first bending structure, the second bending structure and the fixing column. Wherein, first structure of buckling includes: first handle, fixed plate and axle sleeve. The fixing plate and the first handle are arranged at intervals, and a first bending column is convexly arranged on the edge of one side surface of the fixing plate, which faces away from the first handle. One end of the shaft sleeve is connected with one end of the first handle, and the other end of the shaft sleeve is connected with the middle part of the fixing plate. The second bending structure comprises a second handle. One end of the second handle extends to a position between the first handle and the fixing plate and is rotatably sleeved on the shaft sleeve, and a second bending column is convexly arranged on the surface of one side, back to the first handle, of the second handle. The fixing column penetrates through the shaft sleeve, and one end of the fixing column protrudes out of one side surface of the fixing plate, back to the first handle. The first bending column, the second bending column and the fixing column respectively abut against two sides of the piece to be bent, and the bending device is configured to drive the first bending column and the second bending column to rotate relatively through the relative rotation of the first handle and the second handle, so that the piece to be bent is bent.

According to the utility model discloses an embodiment, this device of buckling still includes the mounting, is configured as the fixed column protrusion the distance of fixed plate is adjusted the back, and is fixed the fixed column.

According to the utility model discloses an embodiment, the other end protrusion of fixed column the axle sleeve, the fixed column is the screw thread post, the mounting is the nut, the nut will the screw thread post is fixed in the axle sleeve and/or first handle.

According to the utility model discloses an embodiment, this device of buckling still includes the backup pad, with the fixed column protrusion the one end of fixed plate is connected, just the backup pad is on a parallel with the fixed plate.

According to the utility model discloses an embodiment, the second structure of buckling still includes first bearing, locates the second handle with between the axle sleeve.

According to the utility model discloses an embodiment, the edge of fixed plate is equipped with the lug that has the connecting hole, first post of buckling wears to locate the connecting hole, and the perpendicular to the fixed plate.

According to an embodiment of the present invention, the fixing plate is a circular plate.

According to an embodiment of the present invention, the first bending column and the second bending column are both pin shafts; the first bending column penetrates through a second bearing, and/or the second bending column penetrates through a third bearing.

According to the utility model discloses an embodiment, the fixed column includes: the first fixing column and the second fixing column. The first fixing column is connected with the fixing piece. One end of the second fixing column is detachably connected with the first fixing column, and the other end of the second fixing column is connected with the supporting plate.

According to the utility model discloses an embodiment, the both ends of axle sleeve through welding, bonding, joint or threaded connection's mode respectively with first handle with the second handle corresponds the connection.

According to the above technical scheme, the utility model provides an advantage and positive effect of casting device lie in:

because set up first post, the second of buckling and fixed column in this application, when buckling the operation, first post and the second of buckling is located the same one side of waiting to buckle the piece, and the fixed column is located the opposite side of waiting to buckle the piece, through the relative rotation of first handle and second handle, drives first post and the second of buckling and buckles the post relative rotation, will wait to buckle the piece and buckle. Therefore, the bending device is simple in structure, small in occupied space and convenient to operate, the trend, the bending angle and the like of the piece to be bent can be accurately controlled, and the piece to be bent can be bent in the vertical direction by adjusting the using angle of the bending device.

Drawings

The various objects, features and advantages of the present invention will become more apparent from the following detailed description of the preferred embodiments of the invention, when considered in conjunction with the accompanying drawings. The drawings are merely exemplary of the invention and are not necessarily drawn to scale. In the drawings, like reference characters designate the same or similar parts throughout the different views. Wherein:

FIG. 1 is a schematic perspective view of a bending apparatus according to an exemplary embodiment;

FIG. 2 schematically shows a cross-sectional view of the bending device as shown in FIG. 1;

FIG. 3 is a schematic view illustrating a use state of a bending apparatus according to an exemplary embodiment;

FIG. 4 is a schematic view illustrating another state of use of the bending apparatus according to an exemplary embodiment.

Wherein the reference numerals are as follows:

10-a first handle; 11-a fixed plate; 111-a lug; 112-connection hole; 12-a shaft sleeve; 13-a first bent column; 14-a second bearing;

20-a second handle; 21-a second bending column; 22-a first bearing; 23-a third bearing;

30-fixed column; 301-a first fixed column; 302-a second fixed column; 31-a fixing member; 32-a support plate;

40-a piece to be bent.

Detailed Description

Exemplary embodiments that embody features and advantages of the invention are described in detail below. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.

In the following description of various exemplary embodiments of the invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various exemplary structures, systems, and steps in which aspects of the invention may be practiced. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized, and structural and functional modifications may be made without departing from the scope of the present invention. Moreover, although the terms "upper," "lower," "between," "side," and the like may be used in this specification to describe various example features and elements of the invention, these terms are used herein for convenience only, e.g., in accordance with the orientation of the examples described in the figures. Nothing in this specification should be construed as requiring a specific three dimensional orientation of structures to fall within the scope of the invention.

Referring to the drawings of the specification, fig. 1 is a schematic perspective view of a bending apparatus according to the present invention, fig. 2 is a schematic cross-sectional view of the bending apparatus shown in fig. 1, and fig. 3 is a schematic view of a use state of the bending apparatus, that is, a member to be bent is placed in the bending apparatus and is ready to be bent. Fig. 4 representatively shows another schematic view of a state of use of the bending device, namely, a state after the member to be bent is bent by the bending device. Those skilled in the art will readily appreciate that many modifications, additions, substitutions, deletions, or other changes may be made to the specific embodiments described below in order to utilize the inventive concepts in other processes and applications, and such changes are within the scope of the present principles.

Embodiments of the bending device

As shown in fig. 1-2, in the present embodiment, the bending device provided by the present invention is used for bending a to-be-bent member, and the bending device includes a first bending structure, a second bending structure and a fixing post 30.

As shown in fig. 2, in the present embodiment, the first bending structure includes a first handle 10, a fixing plate 11, and a bushing 12. The first handle 10 and the fixing plate 11 are arranged at an interval, the shaft sleeve 12 is positioned between the first handle 10 and the fixing plate 11, one end of the shaft sleeve 12 is connected to one end of the first handle 10, and the other end of the shaft sleeve 12 is connected to the middle of the fixing plate 11, so that the first handle 10, the fixing plate 11 and the shaft sleeve 12 are connected into a whole. The central portion of the fixing plate 11 is a position other than the edge of the fixing plate 11, and is not limited to the central position of the fixing plate 11. The edge of one side surface of the fixing plate 11, which faces away from the first handle 10, is convexly provided with a first bending column 13. As shown in fig. 2, the second folding structure includes a second handle 20. One end of the second handle 20 extends to between the first handle 10 and the fixing plate 11 and is rotatably sleeved on the shaft sleeve 12, and a second bending column 21 is convexly arranged on one side surface of the second handle 20, which is back to the first handle 10. The fixing column 30 is disposed through the shaft sleeve 12, and one end of the fixing column 30 protrudes out of a side surface of the fixing plate 11 facing away from the first handle 10. In the present embodiment, the first bending column 13, the second bending column 21 and the fixing column 30 respectively abut against two sides of the to-be-bent piece 40, and the bending device is configured to drive the first bending column 13 and the second bending column 21 to relatively rotate through the relative rotation of the first handle 10 and the second handle 20, so as to bend the to-be-bent piece 40.

It should be noted that, when the to-be-bent piece 40 is bent, as shown in fig. 3, the first bending column 13 and the second bending column 21 are located on the same side of the to-be-bent piece 40, and the fixing column 30 is located on the other side of the to-be-bent piece 40. And the first bending column 13, the second bending column 21 and the fixing column 30 all prop against the to-be-bent piece 40. When the first handle 10 and the second handle 20 rotate relatively, in one operation state, the first bending column 13 and the fixed column 30 are kept static, and the second bending column 21 rotates relative to the first bending column 13, so that the piece to be bent 40 is pushed to be bent in the rotation process.

In the present embodiment, each of the first handle 10 and the second handle 20 may be a strip-shaped plate structure. As shown in fig. 1, the first handle 10 is configured as three segments connected in series, a first segment parallel to the second handle 20, a second segment extending away from the second handle 20, and a third segment parallel to the second handle 20. Of course, the first handle 10 and the second handle 20 may have other structures, such as a cylindrical shape, as long as the relative rotation between the two can be realized for the convenience of operation, and the embodiment is not limited herein.

As shown in fig. 2, in the present embodiment, a through hole may be formed in the first section of the first handle 10, and one end of the shaft sleeve 12 is inserted into the through hole, so that the first handle 10 is connected to the shaft sleeve 12. Another through hole is opened at the middle part of fixed plate 11, and the other end of axle sleeve 12 is worn to locate in this through hole of fixed plate 11 for fixed plate 11 is connected with axle sleeve 12, and then realizes the connection of first handle 10, axle sleeve 12 and fixed plate 11. Of course, the middle portions of the first handle 10 and the fixing plate 11 may not be provided with a through hole, for example, the first handle 10 is integrally formed with the shaft sleeve 12 and the second handle 20, and is not limited herein. In the present embodiment, the two ends of the sleeve 12 may be respectively connected to the first handle 10 and the second handle 20 by welding, bonding, clipping or screwing, which is not limited in the present embodiment.

As shown in fig. 1, in the present embodiment, the shape of the fixing plate 11 may be a circle, and the second bending column 21 may move around the outer wall surface of the circular fixing plate 11, so that the structure of the bending apparatus is more compact, and the member to be bent 40 is not easy to slip out during the bending process. Of course, the fixing plate 11 may have other shapes, and is not limited herein.

As shown in fig. 2, in the present embodiment, the fixing posts 30 are provided such that the distance by which they protrude from the fixing plate 11 is adjustable, and thus the members 40 to be bent having different sizes can be bent. When bending is performed, the bending device further includes a fixing member 31, and after the distance that the fixing post 30 protrudes from the fixing plate 11 is determined, the fixing post 30 is fixed by the fixing member 31.

As shown in fig. 1, in the present embodiment, the other end of the fixing post 30 protrudes out of the bushing 12, the fixing post 30 is a threaded post, and the fixing member 31 is a nut, which may be an M18 hexagon nut, for example. The nut secures the threaded stud to the boss 12 when the end of the boss 12 that is connected to the first handle 10 protrudes from the first handle 10. The nut secures the threaded post to the first handle 10 when the end of the bushing 12 connected to the first handle 10 is below the first handle 10. The nut secures the threaded stud to sleeve 12 and first handle 10 when the end of sleeve 12 connected to first handle 10 is in the same plane as first handle 10.

As shown in fig. 2, in the present embodiment, the bending device further includes a supporting plate 32 connected to one end of the fixing post 30 protruding from the fixing plate 11, and the supporting plate 32 is parallel to the fixing plate 11. The supporting plate 32 plays a role in supporting and clamping the to-be-bent piece 40, so that the to-be-bent piece 40 is more accurately bent, and the to-be-bent piece 40 is prevented from slipping out. The supporting plate 32 may be circular in shape, and when the fixing plate 11 is also circular in shape, the diameter of the supporting plate 32 is smaller than or equal to the diameter of the fixing plate 11. Preferably, the diameter of the supporting plate 32 is equal to that of the fixing plate 11, so that the supporting plate 32 can maximally support the member to be bent 40.

As shown in fig. 2, in the present embodiment, the second bending structure further includes a first bearing 22 disposed between the second handle 20 and the bushing 12. Specifically, a through hole is formed at one end of the second handle 20, and the through hole is sleeved on the outer wall surface of the first bearing 22 and is matched with the outer wall surface of the first bearing 22. The first bearing 22 is sleeved on the shaft sleeve 12 and is in clearance fit to ensure that the second handle 20 can flexibly rotate. In an embodiment, the first bearing 22 may be a deep groove ball bearing, model 6006, or other types of bearings, which are not limited herein. Of course, in order to rotatably sleeve the second handle 20 on the shaft sleeve 12, the first bearing 22 may not be provided, for example, the through hole of the second handle 20 is directly clearance-fitted on the outer wall surface of the shaft sleeve 12, which is not limited herein.

As shown in fig. 1 and 2, in the present embodiment, a lug 111 having a connection hole 112 is provided at an edge of the fixing plate 11, and the first bending column 13 is inserted into the connection hole 112 and is perpendicular to the fixing plate 11. In order to minimize the occupied space after the folding device is folded, the position relationship between the first folding column 13 and the second folding column 21 can be set as follows: the projection of the axis of the first handle 10 in the extending direction on the fixed plate 11 passes through the projection of the center of the fixed column 30 on the fixed plate 11 and the center of the connecting hole 112 of the lug 111. The closed state shown in fig. 1 can be achieved in this way, but is not limited thereto.

As shown in fig. 1 and 2, in the present embodiment, the first bending column 13 and the second bending column 21 are both pin shafts. The first bending column 13 is arranged through a second bearing 14, and/or the second bending column 21 is arranged through a third bearing 23, and the head part of the pin shaft is used for supporting and fixing the bearing. Because the bearing can rotate relative to the bending column, when the piece to be bent 40 is bent, the outer ring of the bearing rolls on the surface of the piece to be bent 40 and bends the piece to be bent 40, so that the skin of the piece to be bent 40 is prevented from being damaged. In an embodiment, the second bearing 14 and the third bearing 23 are needle bearings, but may be other types of bearings, and are not limited herein.

As shown in fig. 2, in the present embodiment, the fixing post 30 may be assembled in sections, and the fixing post 30 includes a first fixing post 301 and a second fixing post 302. The first fixing column 301 is inserted into the shaft sleeve 12 and connected with the fixing member 31. The second fixing post 302 is detachably connected to the first fixing post 301 at one end, such as by the bushing 12, and connected to the support plate 32 at the other end, such as by welding, bonding, or integral molding. The fixing posts 30 are assembled in sections for convenience of processing, and raw materials can be saved when the second fixing posts 302 and the supporting plate 32 are integrally formed.

The to-be-bent member 40 in this embodiment may be a copper bar wire, an optical fiber, a plate, or the like, but not limited thereto.

Because the first bending column 13, the second bending column 21 and the fixing column 30 are arranged in the application, when the bending operation is performed, the first bending column 13 and the second bending column 21 are located on the same side of the piece to be bent 40, the fixing column 30 is located on the other side of the piece to be bent 40, and the first bending column 13 and the second bending column 21 are driven to rotate relatively through the relative rotation of the first handle 10 and the second handle 20, so that the piece to be bent 40 is bent. Therefore, the bending device can bend the bending piece 40 more accurately, is simple to operate and small in occupied space, and can realize bending the bending piece 40 in the vertical direction by adjusting the use angle of the bending device.

Referring to fig. 3 and 4, a specific bending operation of the bending apparatus in an exemplary embodiment is described below, and the member to be bent 40 is a copper-clad wire, but is not limited thereto.

Firstly, the fixing piece 31 is unscrewed, and the distance of the fixing column 30 protruding from the fixing plate 11 and back to the side surface of the first handle 10 is adjusted according to the diameter of the copper flat cable, so that the copper flat cable can be abutted between the first bending column 13 and the fixing column 30.

Next, the fixing member 31 is fastened to fix the fixing post 30.

Thirdly, the copper bar line is arranged between the supporting plate 32 and the fixing plate 11, the first bending column 13 and the second bending column 21 are located on one side of the copper bar line, and the fixing column 30 is located on the other side of the copper bar line.

Finally, the second handle 20 is rotated to make the second bending column 21 and the first bending column 13 rotate relatively, so as to push the copper bar line to bend.

Of course, the bending device in the present application can also be used upside down, that is, upside down in relation to the position in fig. 3 and 4, in this case, the supporting plate 32 may not be provided, and the fixing plate 11 may play a supporting role. Of course, the bending device can also be used at any angle, such as 90 ° with respect to the use situation in fig. 3 and 4, so that the bending of the piece to be bent 40 in the vertical direction can be achieved.

To sum up, the utility model discloses a device of buckling, its simple structure, occupation space is little, and convenient operation can control the trend of waiting to buckle, the angle of buckling etc. accurately to can not cause the epidermis of waiting to buckle the piece damaged, through the angle of use of the device of buckling of adjustment, can realize treating the piece of buckling in vertical direction and buckle, can avoid treating the damage on a surface of buckling simultaneously.

Exemplary embodiments of the present invention are described and/or illustrated above in detail. Embodiments of the invention are not limited to the specific embodiments described herein, but rather, components and/or steps of each embodiment may be utilized independently and separately from other components and/or steps described herein. Each component and/or step of one embodiment can also be used in combination with other components and/or steps of other embodiments. When introducing elements/components/etc. described and/or illustrated herein, the articles "a," "an," and "the" are intended to mean that there are one or more of the elements/components/etc. The terms "comprising," "including," and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc. Furthermore, the terms "first" and "second" and the like in the claims and the description are used merely as labels, and are not numerical limitations of their objects.

While the invention has been described in terms of various specific embodiments, those skilled in the art will recognize that the invention can be practiced with modification within the spirit and scope of the claims.

Claims

1. A device of buckling for buckling a piece to be buckled, the device of buckling characterized by comprising:

first bending structure includes:

a first handle;

the fixing plate is arranged at intervals with the first handle, and a first bending column is convexly arranged on the edge of the surface of one side, back to the first handle, of the fixing plate; and

one end of the shaft sleeve is connected with one end of the first handle, and the other end of the shaft sleeve is connected with the middle part of the fixing plate; the second structure of buckling includes:

one end of the second handle extends to the position between the first handle and the fixing plate and is rotatably sleeved on the shaft sleeve, and a second bending column is convexly arranged on the surface of one side of the second handle, which is back to the first handle; and

the fixing column penetrates through the shaft sleeve, and one end of the fixing column protrudes out of the surface of one side, back to the first handle, of the fixing plate;

the first bending column, the second bending column and the fixing column respectively abut against two sides of the piece to be bent, and the bending device is configured to drive the first bending column and the second bending column to rotate relatively through the relative rotation of the first handle and the second handle, so that the piece to be bent is bent.

2. The bending apparatus according to claim 1, further comprising a fixing member configured to fix the fixing post after a distance of the fixing post protruding from the fixing plate is adjusted.

3. The bending apparatus according to claim 2, wherein the other end of the fixing post protrudes out of the bushing, the fixing post is a threaded post, and the fixing member is a nut that fixes the threaded post to the bushing and/or the first handle.

4. The bending device according to claim 2, further comprising a support plate connected to an end of the fixing post protruding from the fixing plate, wherein the support plate is parallel to the fixing plate.

5. The bending device according to claim 1, wherein the second bending structure further comprises a first bearing disposed between the second handle and the bushing.

6. The bending device according to claim 1, wherein the edge of the fixing plate is provided with a lug having a connecting hole, and the first bending column is inserted into the connecting hole and perpendicular to the fixing plate.

7. The bending device according to claim 1, wherein the fixing plate is a circular plate.

8. The bending device according to claim 1, wherein the first bending column and the second bending column are both pin shafts;

the first bending column penetrates through a second bearing and/or,

the second bending column penetrates through a third bearing.

9. The bending device according to claim 4, wherein the fixing post comprises:

a first fixing column connected with the fixing member, an

And one end of the second fixing column is detachably connected with the first fixing column, and the other end of the second fixing column is connected with the supporting plate.

10. The bending device according to claim 1, wherein two ends of the shaft sleeve are respectively and correspondingly connected with the first handle and the second handle in a welding, bonding, clamping or threaded connection mode.