CN220862440U - Bending device - Google Patents

Abstract

The utility model provides a bending device which comprises a fixing seat, at least two first bending assemblies and a second bending assembly. Each first bending component comprises a first bending frame, a first bending part and a second bending part, the first bending frame is connected with the fixing base, the first bending part and the second bending part are respectively connected with the first bending frame in a rotating way, a first gap is reserved between the first bending part and the second bending part, and the first bending frame can move relative to the fixing base; the second bending assembly comprises a second bending frame, a third bending part and a fourth bending part, the second bending frame is connected with the fixing seat, the third bending part and the fourth bending part are respectively connected with the second bending frame, a second gap is formed between the third bending part and the fourth bending part, and the second gap and the first gap are used for penetrating into the aluminum frame. The bending device can lead the bending radian of the aluminum frame to be more uniform and improve the bending quality of the aluminum frame.

Description

Bending device

Technical Field

The application relates to the field of profile machining, in particular to a bending device.

Background

Curtain wall glass is hollow glass formed by adhering aluminum frames to single-layer glass, the aluminum frames need to be bent according to the shape of the hollow glass, when the aluminum frames are bent into an arc shape, the bending radian of the aluminum frames is easy to be uneven, particularly the aluminum frames with smaller bending radius or wider interval are easy to generate microcracks and even break during bending, and the bending quality of the aluminum frames is affected.

Disclosure of utility model

The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the bending device provided by the application can enable the bending radian of the aluminum frame to be more uniform and improve the bending quality of the aluminum frame.

According to the bending device, the bending device comprises a fixed seat, at least two first bending assemblies and a second bending assembly, wherein the first bending assemblies comprise first bending frames, first bending parts and second bending parts, the first bending frames are connected with the fixed seat, the first bending parts are rotationally connected with the first bending frames, the second bending parts are rotationally connected with the first bending frames, a first gap is reserved between the first bending parts and the second bending parts, and the first bending frames can move relative to the fixed seat; along the first direction, the second subassembly that bends is located between two at least first subassemblies that bend, and the second subassembly that bends includes second frame, third portion and the fourth portion of bending, and the second is bent the frame and is connected with the fixing base, and third portion of bending is connected with the second frame of bending, and fourth portion of bending is connected with the second frame rotation of bending, has the second clearance between third portion of bending and the fourth portion of bending, and second clearance and first clearance are used for penetrating the aluminium frame.

The bending device provided by the embodiment of the application has at least the following beneficial effects: the first bending assembly and the second bending assembly are adjusted to the same height, the aluminum frame can be penetrated into the bending device through the first gap and the second gap, and the first bending frame is adjusted to move towards the direction away from the fixing seat according to the bending requirement of the aluminum frame, so that the first gap and the second gap have difference values along the moving direction of the first bending frame, the first bending part and the second bending part are mutually matched, the third bending part and the fourth bending part are mutually matched, the upper side and the lower side of the aluminum frame at different positions can be rolled, the stress of the aluminum frame is uniform, and the bending quality of the aluminum frame is improved.

According to some embodiments of the present application, the third bending portion includes an elastic member, a fixing member, and a rotating member, two ends of the elastic member are respectively connected to the second bending frame and the fixing member, the rotating member is rotatably connected to the fixing member, the second bending frame has a first guiding groove, an end of the rotating member is disposed in the first guiding groove, and the first guiding groove is used for moving the rotating member along an extending direction of the first guiding groove.

According to some embodiments of the application, at least one of the first bending portion and the rotating member is provided with a convex structure, at least one of the second bending portion and the fourth bending portion is provided with a concave structure, and the convex structure and the concave structure are respectively used for supporting two opposite sides of the aluminum frame.

According to some embodiments of the application, at least one of the first bending portion, the second bending portion, the third bending portion and the fourth bending portion is provided with a limiting groove along an axial direction of the first bending portion, and the limiting groove is used for placing an aluminum frame.

According to some embodiments of the present application, the limiting groove includes a first clamping groove and a second clamping groove, at least two first clamping grooves with different widths are respectively disposed on the first bending portion and the second bending portion along an axial direction of the first bending portion, at least two second clamping grooves with different widths are respectively disposed on the third bending portion and the fourth bending portion, and each first clamping groove is disposed corresponding to each second clamping groove.

According to some embodiments of the application, the first bending assembly further comprises a fastener connecting the first bending frame and the fixing base, the fastener having an unlocked state and a locked state, in the unlocked state, the fastener being capable of adjusting a distance between the first bending frame and the fixing base in the second direction; in the locked state, the fastener can fix the first bending frame on the fixing base.

According to some embodiments of the application, the fixing base is provided with a second guide groove extending along a first direction, the second guide groove is connected with the fastening piece, the second guide groove is located at the end of the first bending part along the axial direction of the first bending part, and in the unlocking state, the fastening piece can move in the second guide groove along the first direction and is used for adjusting the distance between the first bending frame and the second bending frame.

According to some embodiments of the application, one side of the second guide groove is provided with a scale portion extending in the first direction.

According to some embodiments of the application, each first bending member is symmetrically disposed on both sides of the second bending member along the first direction.

According to some embodiments of the application, the bending device further comprises an absorbing member, the absorbing member is located at a side of the fixing base away from the first bending portion, and the absorbing member is connected with the fixing base.

Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.

Drawings

The application is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic diagram of a bending apparatus according to an embodiment of the present application;

FIG. 2 is a top view of a bending apparatus according to an embodiment of the present application;

FIG. 3 is a side view of a bending device according to an embodiment of the present application;

FIG. 4 is a front view of a bending apparatus according to an embodiment of the present application;

FIG. 5 is a bottom view of the bending apparatus according to the present application;

Fig. 6 is a cross-sectional view of an aluminum frame according to an embodiment of the present application.

Reference numerals:

The first bending assembly 100, the first bending frame 110, the first bending part 120, the second bending part 130, the first gap 140, the convex structure 150, the concave structure 160, the fastener 170, the limit groove 180, the first clamping groove 181 and the second clamping groove 182;

the second bending unit 200, the second bending frame 210, the first guide groove 211, the third bending part 220, the elastic member 221, the fixing member 222, the rotating member 223, the fourth bending part 230, and the second gap 240;

a fixing base 300, a second guide groove 310, and a scale part 320;

An absorbent member 400;

Aluminum frame 500, first side wall 510, first connection 511, third connection 512, second side wall 520, second connection 521, fourth connection 522, extrusion side 530, and stretch side 540.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the application.

In the description of the present application, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

In the description of the present application, the meaning of a number is one or more, the meaning of a number is two or more, and greater than, less than, exceeding, etc. are understood to exclude the present number, and the meaning of a number is understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present application, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present application can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

In the description of the present application, the descriptions of the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Embodiments of the application are described below with reference to the accompanying drawings:

referring to fig. 1 to 3, the bending apparatus according to the present application includes at least two first bending assemblies 100, a second bending assembly 200 and a fixing base 300, each first bending assembly 100 includes a first bending frame 110, a first bending portion 120 and a second bending portion 130, the first bending frame 110 is connected with the fixing base 300, the first bending portion 120 is rotatably connected with the first bending frame 110, the second bending portion 130 is rotatably connected with the first bending frame 110, a first gap 140 is provided between the first bending portion 120 and the second bending portion 130, and the first bending frame 110 can move relative to the fixing base 300. The aluminum frame can penetrate between the first bending part 120 and the second bending part 130 through the first gap 140, the first bending part 120 and the second bending part 130 can roll the surfaces of two opposite sides of the aluminum frame, compared with single-sided rolling of the aluminum frame during bending, double-sided rolling can enable two sides of the aluminum frame to be stressed simultaneously, the aluminum frame is enabled to be attached to the compression roller all the time during bending, bending quality of the aluminum frame is improved, and bending radian of the aluminum frame is enabled to be more uniform.

Along a first direction, the second bending assembly 200 is located between at least two first bending assemblies 100, namely, the two sides of the second bending assembly 200 are respectively provided with the first bending assembly 100, the second bending assembly 200 comprises a second bending frame 210, a third bending part 220 and a fourth bending part 230, the second bending frame 210 is connected with a fixing seat 300, the third bending part 220 is connected with the second bending frame 210, the fourth bending part 230 is rotationally connected with the second bending frame 210, a second gap 240 is formed between the third bending part 220 and the fourth bending part 230, the second gap 240 and the first gap 140 are used for penetrating into an aluminum frame, the aluminum frame can sequentially penetrate through the first gap 140 and the second gap 240 along the first direction, the third bending part 220 and the fourth bending part 230 can also roll the two opposite sides of the aluminum frame under the combined action of the first bending assembly 100 and the second bending assembly 200, simultaneously, the first bending part 120 is matched with the second bending part 130, the third bending part 220 and the third bending part 220 are matched with the fourth bending part 230 are used for preventing the aluminum frame from being broken off, and even the two ends of the aluminum frame from being broken, and the quality of the aluminum frame can be improved, and the quality of the aluminum frame can be prevented from being broken and broken by rolling and even more than the side frames is broken.

It should be noted that, the movement of the first bending frame 110 relative to the fixing base 300 includes movement along a first direction and movement along a second direction, for example, the fixing base 300 may be square, the first direction may be parallel to one side of the fixing base 300, the second direction may be perpendicular to the first direction, the second bending frame 210 is fixedly connected to the fixing base 300, the movement of the first bending frame 110 relative to the fixing base 300 along the first direction may adjust a distance between the first bending frame 110 and the second bending frame 210 to satisfy bending of aluminum frames with different lengths, and the movement of the first bending frame 110 relative to the fixing base 300 along the second direction may cause the first bending portion 120 and the second bending portion 130 to integrally move upwards, so that the first gap 140 may move along the second direction, and the difference may be adjusted according to a radius of an arc of bending required by the aluminum frames.

Specifically, along the first direction, the two sides of the second bending assembly 200 are respectively provided with a first bending assembly 100, the number of the first bending assemblies 100 on the two sides of the first bending assembly can be the same or different, the first bending assembly 100 comprises a first bending frame 110, a first bending portion 120 and a second bending portion 130, the first bending portion 120 and the second bending portion 130 are respectively rotatably connected with the first bending frame 110, a first gap 140 allowing an aluminum frame to penetrate is formed between the first bending portion 120 and the second bending portion 130, the second bending assembly 200 comprises a second bending frame 210, a third bending portion 220 and a fourth bending portion 230, the third bending portion 220 is connected with the second bending frame 210, the fourth bending portion 230 is rotatably connected with the second bending frame 210, and a second gap 240 allowing the aluminum frame to penetrate is formed between the third bending portion 220 and the fourth bending portion 230.

When the aluminum frame is bent, the first gap 140 and the second gap 240 are adjusted to the same height along the second direction, so that the aluminum frame can be enabled to penetrate into the bending device through the first gap 140 and the second gap 240, then the relative distance between the first bending frame 110 and the second bending frame 210 along the first direction is adjusted according to the length of the aluminum frame, after the aluminum frame is penetrated into the aluminum frame, the distance between the first bending frame 110 and the fixing base 300 is adjusted along the second direction according to the bending radius required by the aluminum frame, the difference value along the second direction is generated between the first gap 140 and the second gap 240, and finally the two ends of the aluminum frame are pulled back and forth along the extending direction of the aluminum frame, so that the aluminum frame is repeatedly rolled under the combined action of the first bending part 120, the second bending part 130, the third bending part 220 and the fourth bending part 230, and the aluminum frame is bent.

Referring to fig. 1 and 3, in some embodiments, the third bending part 220 includes an elastic member 221, a fixing member 222, and a rotating member 223, both ends of the elastic member 221 are respectively connected with the second bending frame 210 and the fixing member 222, the rotating member 223 is rotatably connected with the fixing member 222, the second bending frame 210 is provided with a first guiding groove 211 along a second direction, an end of the rotating member 223 is disposed in the first guiding groove 211 along an axial direction of the rotating member 223, the first guiding groove 211 is used for moving the rotating member 223 along an extending direction of the first guiding groove 211, wherein the rotating member 223 may be a pressing roller for rolling the aluminum frame, the fixing member 222 is connected with the elastic member 221, the elastic member 221 has a certain buffering effect when the aluminum frame is bent, and provides a buffering space along the second direction for the rotating member 223 when the aluminum frame is bent and suddenly increases, so that the aluminum frame is subjected to a roller pressure more smoothly, and bending quality of the aluminum frame is improved.

It should be understood that, along the second direction, one end of the elastic member 221 is connected to the second bending frame 210, and the other end is connected to the fixing member 222, the elastic member 221 has an elastic force on the fixing member 222, and along the axial direction of the rotating member 223, the end of the rotating member 223 is disposed in the first guide groove 211, and the rotating member 223 can move in the first guide groove 211 along the second direction, so as to drive the fixing member 222 to move, and ensure that the elastic force of the elastic member 221 on the fixing member 222 is along the second direction, thereby the third bending portion 220 has a certain reciprocating range along the second direction, so as to provide a buffer space for bending the aluminum frame, and improve the bending quality thereof.

Referring to fig. 1 to fig. 4, in some embodiments, at least one of the first bending portion 120 and the rotating member 223 is provided with a convex structure 150, at least one of the second bending portion 130 and the fourth bending portion 230 is provided with a concave structure 160, for example, the first bending portion 120 and the rotating member 223 are provided with the convex structure 150, the second bending portion 130 and the fourth bending portion 230 are provided with the concave structure 160, the convex structure 150 and the concave structure 160 are respectively used for abutting against two opposite sides of the aluminum frame, the convex structure 150 and the concave structure 160 enable the surface of the aluminum frame to be gradually attached to a compacting roller when the aluminum frame is bent, so that the aluminum frame can be better protected from damage.

Referring to fig. 6, in particular, the aluminum frame is of a hollow rectangular structure, and when bent, an upper side thereof is subjected to compressive stress and a lower side thereof is subjected to tensile stress, whereby the aluminum frame may include a compressive side 530 subjected to compressive stress and a tensile side 540 subjected to tensile stress, the compressive side 530 and the tensile side 540 may be connected by a first sidewall 510 and a second sidewall 520, a convex structure 150 may be used for rolling the compressive side 530, a concave structure 160 may be used for rolling the tensile side 540, the compressive side 530 is connected with the first sidewall 510 at a first connection 511, and the compressive side 530 is connected with the second sidewall 520 at a second connection 521, it should be understood that the first connection 511 and the second connection 521 are more likely to be cracked or broken due to stress concentration than other positions of the compressive side 530.

When the aluminum frame is bent, the convex structure 150 will firstly generate pressure on the middle part of the extrusion side 530, so that the extrusion side 530 will generate a sinking trend, and as the convex structure 150 continuously rolls the extrusion side 530, the extrusion side 530 will gradually change from a plane to an inner concave surface with the same radian as the convex structure 150, the deformation of the middle part of the extrusion side 530 will gradually bring the first connection portion 511 and the second connection portion 521 towards the middle, the upper ends of the first side wall 510 and the second side wall 520 will also gradually generate deformation towards the middle part of the extrusion side 530, so that the first connection portion 511 and the second connection portion 521 are gradually deformed from a right angle to an arc angle, which is beneficial to improving the stress concentration of the first connection portion 511 and the second connection portion 521 compared with the right angle, in addition, the first connection portion 511 is changed from being only subjected to an extrusion force along the extending direction of the aluminum frame and a rightward tensile force simultaneously, and the second connection portion 521 is also changed to be simultaneously subjected to a tensile force along the extending direction of the aluminum frame and a leftward force simultaneously, thereby being beneficial to relieving the crack of the first connection portion 511 and the second connection portion 521, and improving the bending quality of the aluminum frame 521.

The tensile side 540 is connected to the first sidewall 510 at a third connection 512, the tensile side 540 is connected to the second sidewall 520 at a fourth connection 522, and a weld is provided in the middle of the tensile side 540. It should be understood that the concave structure 160 rolls the stretching side 540 of the aluminum frame, the convex structure 150 contacts the stretching side 540 at the third connection portion 512 and the fourth connection portion 522 first, and gradually rolls the stretching side 540 to an outer convex surface with the same radian as the concave structure 160, the left and right ends of the stretching side 540 are subjected to the roll pressure of the concave structure 160, and under the roll pressure of the concave structure 160, the stretching side 540 is subjected to the force towards the middle of the stretching side 540 at the third connection portion 512 and the fourth connection portion 522, so that the tendency of cracking of the welding seam in the middle of the stretching side 540 on the left and right sides during bending is limited, microcracks generated by bending the aluminum frame are reduced, and the bending quality of the aluminum frame is improved.

Referring to fig. 1 and 3, in some embodiments, along the axial direction of the first bending portion 120, at least one of the first bending portion 120, the second bending portion 130, the third bending portion 220 and the fourth bending portion 230 is provided with a limiting groove 180, the limiting groove 180 has a width along the axial direction of the first bending portion 120, and the limiting groove 180 is used for placing an aluminum frame, so that the aluminum frame is prevented from moving along the axial direction of the first bending portion 120 when bending, which is beneficial to improving the stability of the aluminum frame when bending.

The axial directions of the first bending portion 120, the second bending portion 130, the third bending portion 220, and the fourth bending portion 230 may be parallel to each other, and the width direction of the aluminum frame may be parallel to the axial direction of the first bending portion 120 when bending.

Referring to fig. 1 and fig. 4, in some embodiments, the limit groove 180 includes a first clamping groove 181 and a second clamping groove 182, along the axial direction of the first bending portion 120, at least two first clamping grooves 181 with different widths are respectively disposed on the first bending portion 120 and the second bending portion 130, at least two second clamping grooves 182 with different widths are respectively disposed on the third bending portion 220 and the fourth bending portion 230, each first clamping groove 181 and each second clamping groove 182 are correspondingly disposed along the axial direction of the first bending portion 120, and the clamping grooves with different widths can be used for placing aluminum frames with different widths, so that the aluminum frames are prevented from moving along the axial direction of the rotating member 223 during bending, and the stability of the aluminum frames during bending is improved.

For example, along the axial direction of the first bending portion 120, three first clamping grooves 181 with different widths are provided on the first bending portion 120, three first clamping grooves 181 with different widths are also provided on the second bending portion 130, the first bending portion 120 and the second bending portion 130 are arranged in parallel, the first clamping grooves 181 on the first bending portion 120 and the first clamping grooves 181 on the second bending portion 130 may correspond to each other, specifically, the three first clamping grooves 181 on the first bending portion 120 may have a first width, a second width and a third width along the axial direction of the first bending portion 120, respectively; correspondingly, the first clamping groove 181 of the third bending portion 130 may also have a first width, a second width and a third width along the axial direction of the first bending portion 120; along the axial direction of the first bending portion 120, the first clamping groove 181 with the first width on the first bending portion 120 may correspond to the first clamping groove 181 with the first width on the second bending portion 130; the first clamping groove 181 with the second width on the first bending part 120 can correspond to the first clamping groove 181 with the second width on the second bending part 130; the first clamping groove 181 having the third width on the first bending portion 120 may correspond to the first clamping groove 181 having the third width on the second bending portion 130.

The first bending portion 120 and the second bending portion 130 form a first gap 140 between the first clamping grooves 181 corresponding to each other, and along the axial direction of the first bending portion 120, a plurality of aluminum frames with different widths can respectively penetrate into the first gaps 140 with different widths so as to limit the movement of the aluminum frames along the axial direction of the first bending portion 120, so that a plurality of aluminum frames with different widths can be simultaneously bent, the bending efficiency of the bending device is improved, and meanwhile, interference of each aluminum frame during bending can be avoided.

Referring to fig. 3 and 5, in some embodiments, the first bending assembly 100 further includes a fastener 170, the first bending frame 110 is connected to the fixing base 300 by the fastener 170, the fastener 170 has an unlocked state and a locked state, in the unlocked state, the fastener 170 is capable of adjusting a distance between the first bending frame 110 and the fixing base 300 in a second direction, and it should be understood that the second direction may be perpendicular to the first direction. In the locked state, the fastener 170 can fix the first bending frame 110 on the fixing base 300, so as to ensure the stability of the first bending frame 110 in the bending process of the aluminum frame.

Wherein the fastener 170 may be a combination of a bolt and a nut, the fastener 170 may be switched between an unlocked state and a locked state by screwing the nut, unscrewing the nut, allowing the first folder 110 to drive the screw upward in the second direction, and maintaining the position of the first folder 110 by inserting a spacer under the first folder 110 and then screwing the nut. It should be appreciated that, by switching the unlocked state and the locked state of the fastener 170, the first gap 140 and the second gap 240 may have a difference in the second direction, and according to the requirement of different bending radii of the aluminum frame, the first bending frame 110 may be moved in the second direction, so as to change the difference to achieve bending of the aluminum frame with different bending radii.

Referring to fig. 1 to 4, in some embodiments, the fixing base 300 is provided with a second guide groove 310 extending along a first direction, the second guide groove 310 is connected to the fastener 170, the second guide groove 310 is located at an end of the first bending portion 120 along an axial direction of the first bending portion 120, for example, the fixing base 300 may be provided with two second guide grooves 310, and the two second guide grooves 310 are located at two ends of the first bending portion 120 along the axial direction of the first bending portion 120, so as to facilitate adjusting a relative distance between the first bending assembly 100 and the second bending assembly 200 along the first direction, so as to bend aluminum frames with different lengths.

Referring to fig. 1 to 4, in some embodiments, a scale part 320 is provided at one side of the second guide groove 310, the scale part 320 extends along a first direction, and the scale part 320 is used to provide a scale reference for the movement of the first bending frame 110, so as to determine the movement distance of the first bending frame 110 along the first direction, which is beneficial to satisfy bending of aluminum frames with different lengths.

Referring to fig. 1 to 4, in some embodiments, each first bending component 100 is symmetrically disposed on both sides of the second bending component 200 along the first direction, where the number of the first bending components 100 should be even, for example, the bending device includes two first bending components 100, the first distances between the second bending components 200 of the two first bending components 100 along the second direction are the same, the required bending radius of the aluminum frame is the first radius, the distance from the center of the required bending circular arc of the aluminum frame to the first gap 140 is the second distance, the distance from the center of the required bending circular arc of the aluminum frame to the second gap 240 is the third distance, the first radius, the second distance and the third distance are all equal to each other, so that the height difference between the first gap 140 and the second gap 240 along the second direction can be calculated according to the geometric relationship, and the height difference can be adjusted to the first gap 140 and the second gap 240, so as to satisfy the bending of the aluminum frames with different bending radii.

It should be noted that, when the first bending frame 110 is adjusted along the second direction relative to the fixing seat 300, the adjusting height can be determined by the number of the gaskets below the first bending frame 110, the gaskets can be set to have standard thicknesses, and the gaskets can have various different standard thicknesses.

Referring to fig. 4 and 5, in some embodiments, the bending device further includes an absorbing member 400, where the absorbing member 400 is located on a side of the fixing base 300 away from the first bending portion 120, and the absorbing member 400 is connected to the fixing base 300, and specifically, the absorbing member 400 may be a suction cup, where the suction cup is beneficial to movement of the bending device, so as to enable the bending device to be fixed by suction.

The embodiments of the present application have been described in detail with reference to the accompanying drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present application. Furthermore, embodiments of the application and features of the embodiments may be combined with each other without conflict.

Claims (10)

1. A bending device, comprising:

a fixing seat;

The device comprises at least two first bending assemblies, wherein each first bending assembly comprises a first bending frame, a first bending part and a second bending part, the first bending frame is connected with the fixing seat, the first bending part is rotationally connected with the first bending frame, the second bending part is rotationally connected with the first bending frame, a first gap is reserved between the first bending part and the second bending part, and the first bending frame can move relative to the fixing seat;

the second bending assembly is located between at least two first bending assemblies along a first direction, the second bending assembly comprises a second bending frame, a third bending portion and a fourth bending portion, the second bending frame is connected with the fixing base, the third bending portion is connected with the second bending frame, the fourth bending portion is rotationally connected with the second bending frame, a second gap is formed between the third bending portion and the fourth bending portion, and the second gap and the first gap are used for penetrating into an aluminum frame.

2. The bending device according to claim 1, wherein the third bending portion includes an elastic member, a fixing member, and a rotating member, two ends of the elastic member are respectively connected to the second bending frame and the fixing member, the rotating member is rotatably connected to the fixing member, the second bending frame is provided with a first guiding groove, an end portion of the rotating member is disposed in the first guiding groove, and the first guiding groove is used for enabling the rotating member to move along an extending direction of the first guiding groove.

3. The bending device according to claim 2, wherein at least one of the first bending portion and the rotating member is provided with a convex structure, at least one of the second bending portion and the fourth bending portion is provided with a concave structure, and the convex structure and the concave structure are respectively used for abutting against two opposite sides of the aluminum frame.

4. The bending device according to claim 1, wherein at least one of the first bending portion, the second bending portion, the third bending portion and the fourth bending portion is provided with a limit groove along an axial direction of the first bending portion, the limit groove being used for placing the aluminum frame.

5. The bending device according to claim 4, wherein the limiting groove comprises a first clamping groove and a second clamping groove, at least two first clamping grooves with different widths are respectively arranged on the first bending part and the second bending part along the axial direction of the first bending part, at least two second clamping grooves with different widths are respectively arranged on the third bending part and the fourth bending part, and each first clamping groove is correspondingly arranged with each second clamping groove.

6. The bending apparatus according to claim 1, wherein the first bending assembly further comprises a fastener connecting the first bending frame and the fixed seat, the fastener having an unlocked state in which the fastener is capable of adjusting a distance between the first bending frame and the fixed seat in a second direction and a locked state; in the locking state, the fastener can fix the first bending frame on the fixing seat.

7. The bending device according to claim 6, wherein the fixing base is provided with a second guide groove extending along the first direction, the second guide groove is connected with the fastening piece, the second guide groove is located at the end portion of the first bending portion along the axial direction of the first bending portion, and in the unlocking state, the fastening piece can move in the second guide groove along the first direction and is used for adjusting the distance between the first bending frame and the second bending frame.

8. The bending apparatus according to claim 7, wherein one side of the second guide slot is provided with a scale portion extending in the first direction.

9. The bending apparatus according to claim 1, wherein each of the first bending members is symmetrically disposed on both sides of the second bending member in the first direction.

10. The bending device of claim 1, further comprising an absorbing member positioned on a side of the holder facing away from the first bending portion, the absorbing member being coupled to the holder.