CN212397722U

CN212397722U - Bending equipment

Info

Publication number: CN212397722U
Application number: CN202021220961.0U
Authority: CN
Inventors: 不公告发明人
Original assignee: Wuxi Lead Intelligent Equipment Co Ltd
Current assignee: Wuxi Lead Intelligent Equipment Co Ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-01-26
Anticipated expiration: 2030-06-28

Abstract

The utility model relates to an equipment of bending, including loading board, hold-down mechanism, the first mechanism of bending and the second mechanism of bending. Through setting up foretell equipment of bending, place the sheetmetal in the loading board and compress tightly through hold-down mechanism, then bend the sheetmetal for the first time through the first flexible end of first mechanism of bending, bend the sheetmetal that has already been bent for the second time through the flexible end of the second of second mechanism of bending next, make the angle of sheetmetal bending be preset angle when bending for the second time moreover. The preset angle can be determined according to the material of the metal sheet, specifically according to the springback condition of the metal sheet, for example, the metal sheet is required to be bent by 90 degrees, and the preset angle is the angle required to be bent plus the springback angle. Therefore, the bending angle of the metal sheet subjected to secondary bending reaches the required angle, the precision of the bending angle can be effectively ensured, and the safety of the adaptor sheet formed by bending in the battery is ensured.

Description

Bending equipment

Technical Field

The utility model relates to a sheetmetal processing equipment technical field especially relates to an equipment of bending.

Background

Nowadays, with the coming of the information-oriented high-tech age, the energy application form is changing, and the demand of renewable, pollution-free, small-sized and discrete mobile high-performance power sources is rapidly increasing. Green, high-efficiency secondary batteries are being vigorously developed in various countries. The lithium ion battery as a novel secondary battery has the advantages of large energy density and power density, high working voltage, light weight, small volume, long cycle life, good safety, environmental protection and the like, and has wide application prospect in the aspects of portable electric appliances, electric tools, large-scale energy storage, electric traffic power supplies and the like.

The important components of the lithium battery comprise a switching sheet, a top cover and a battery core. The switching piece sets up between top cap and electric core. Bending is needed in the manufacturing process of the adapter sheet, specifically, two parts of a metal sheet which are originally in a horizontal state are rotated to form a required angle with the horizontal plane around a central line by taking a bending line as the central line. However, the conventional metal sheet is bent by driving a bent part to rotate and bend through the up-and-down movement of a bending block, and the metal sheet can rebound, so that the accuracy of the bending angle cannot be guaranteed, and the low accuracy of the bending angle can influence the use of a subsequent adapter sheet in a battery and the performance of the battery.

SUMMERY OF THE UTILITY MODEL

In view of this, it is necessary to provide a bending apparatus capable of ensuring a bending angle of a metal sheet, in order to solve the problem that the accuracy of the conventional metal sheet bending angle is low and the use is affected.

A bending apparatus comprising:

a carrier plate;

the pressing mechanism is used for pressing the metal sheet to the bearing plate;

the first bending mechanism is provided with a first telescopic end capable of reciprocating along a first direction, and the first telescopic end can bend the metal sheet towards the pressing mechanism in the reciprocating process along the first direction; and

and the second bending mechanism is provided with a second telescopic end which can reciprocate along a second direction forming an angle with the first direction, and the second telescopic end can be abutted against the bent metal sheet to continuously bend towards the pressing mechanism in the reciprocating movement process along the second direction.

Through setting up foretell equipment of bending, place the sheetmetal in the loading board and compress tightly through hold-down mechanism, then bend the sheetmetal for the first time through the first flexible end of first mechanism of bending, bend the sheetmetal that has already been bent for the second time through the flexible end of the second of second mechanism of bending next, make the angle of sheetmetal bending be preset angle when bending for the second time moreover.

The preset angle can be determined according to the material of the metal sheet, specifically according to the springback condition of the metal sheet, for example, the metal sheet is required to be bent by 90 degrees, and the preset angle is the angle required to be bent plus the springback angle. Therefore, the bending angle of the metal sheet subjected to secondary bending reaches the required angle, the precision of the bending angle can be effectively ensured, and the safety of the adaptor sheet formed by bending in the battery is ensured.

In one embodiment, the bearing plate has a bearing surface and a connecting surface on two opposite sides in the first direction, and the bearing plate further has a through hole penetrating through the bearing surface and the connecting surface;

the pressing mechanism is used for pressing the metal sheet on the bearing surface, and the first telescopic end can penetrate through the through hole to bend the metal sheet towards the pressing mechanism in the process of reciprocating along the first direction.

In one embodiment, the bending apparatus further includes a mounting frame and a bracket, the pressing mechanism is disposed on the mounting frame, and the bearing plate, the first bending mechanism and the second bending mechanism are disposed on the bracket;

the support is arranged on the mounting frame in a reciprocating manner along a third direction perpendicular to the first direction and used for adjusting the position of the bearing plate relative to the pressing mechanism.

In one embodiment, the pressing mechanism includes a second driving member and a pressing block assembly, the second driving member is in transmission connection with the pressing block assembly to drive the pressing block assembly to move back and forth along the first direction, and the pressing block assembly can be pressed against the metal sheet in the process of moving back and forth along the first direction.

In one embodiment, the pressing block assembly includes a mounting structure and a protruding structure, the mounting structure is in transmission connection with the second driving element, the mounting structure can be pressed against the metal sheet in the process of reciprocating along the first direction, and the protruding structure is arranged on one side of the mounting structure facing the second bending mechanism along the second direction and used for providing bearing for the metal sheet in the process of pressing the metal sheet by the second telescopic end and continuing to bend towards the pressing mechanism.

In one embodiment, the compact assembly further includes a flexible pad disposed at one end of the mounting structure along the first direction, and configured to press against the metal sheet during reciprocating movement with the mounting structure along the first direction.

In one embodiment, the bending apparatus further includes a positioning mechanism disposed on the bearing plate, and configured to form a fixing position for fixing the metal sheet on the bearing plate.

In one embodiment, the positioning mechanism comprises a first positioning component and a second positioning component which are both arranged on the bearing plate;

the first positioning assembly and the second positioning assembly are arranged at intervals in a fourth direction perpendicular to the first direction and the second direction, and the first positioning assembly and the second positioning assembly are used for enclosing the bearing plate to form the fixing position.

In one embodiment, the bending apparatus further includes a positioning block, the positioning block is disposed on the bearing plate and spaced from the second bending mechanism in the second direction, and the positioning block is configured to limit the metal sheet when the second telescopic end abuts against the metal sheet and continues to bend toward the pressing mechanism.

In one embodiment, the first bending mechanism comprises a third driving member, a mounting block and a rolling member

The mounting block is in transmission connection with the third driving piece so as to be driven to reciprocate along the first direction, the rolling piece is rotatably connected to one end, far away from the third driving piece, of the mounting block around a rotating axis perpendicular to the first direction and the second direction, and the rolling piece is used for abutting against the metal sheet in the reciprocating movement process along the first direction so as to bend the metal sheet towards the pressing mechanism.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a bending apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic representation of the workflow of the bending apparatus shown in FIG. 1;

FIG. 3 is a schematic top view of the structure of the metal sheet before and after the bending process;

FIG. 4 is a schematic front view of the structure of the metal sheet shown in FIG. 3 before and after the bending process;

FIG. 5 is a schematic structural view of a press block assembly of the bending apparatus shown in FIG. 1;

fig. 6 is a schematic structural view of a part of the structure of the bending apparatus shown in fig. 1.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

As shown in fig. 1 and fig. 2, a bending apparatus 100 according to an embodiment of the present invention includes a supporting plate 30, a pressing mechanism 40, a first bending mechanism 50, and a second bending mechanism 60.

The pressing mechanism 40 is used to press the metal sheet 200 against the loading plate 30.

The first bending mechanism 50 has a first telescopic end 51 that is reciprocally movable in the first direction, and the first telescopic end 51 can pass through the through hole 34 and bend the metal piece 200 toward the pressing mechanism 40 while reciprocating in the first direction.

The second bending mechanism 60 has a second telescopic end 61, the second telescopic end 61 is capable of reciprocating along a second direction forming an angle with the first direction, and the second telescopic end 61 is capable of pressing the bent metal sheet 200 to continue to be bent towards the pressing mechanism 40 during reciprocating along the second direction.

Specifically, the first direction is perpendicular to the second direction. The first direction is the up-down direction shown in fig. 1, and the second direction is the front-back direction shown in fig. 1. Meanwhile, in practical application, for convenient operation, the first direction is a vertical direction, and the second direction is a horizontal direction.

By arranging the bending apparatus 100, the metal sheet 200 is placed on the bearing plate 30 and pressed by the pressing mechanism 40, then the metal sheet 200 is bent for the first time by the first telescopic end 51 of the first bending mechanism 50, then the bent metal sheet 200 is bent for the second time by the second telescopic end 61 of the second bending mechanism 60, and the bent angle of the metal sheet 200 is a preset angle during the second bending.

The preset angle may be determined according to the material of the metal sheet 200, specifically, according to the springback condition of the metal sheet 200, for example, the metal sheet 200 is required to be bent by 90 °, and the preset angle is the angle required to be bent plus the springback angle. Thus, the bending angle of the metal sheet 200 subjected to secondary bending is ensured to reach the required angle, the precision of the bending angle can be effectively ensured, and the safety of the adaptor sheet formed by bending in the battery is ensured.

Referring to fig. 3 and 4, the metal sheet 200 of the present invention generally includes a first sheet 201 and a second sheet 202 connected to each other, the first sheet 201 and the second sheet 202 are located on the same plane before bending, and an included angle between the first sheet 201 and the second sheet 202 is required to be a desired angle after bending.

It should be noted that the bending angle of the metal sheet 200 is an angle of the second sheet 202 rotating (or bending) relative to the first sheet 201, and an included angle between the first sheet 201 and the second sheet 202 is an inner angle of the metal sheet 200, which is a complementary angle of the bending angle. Meanwhile, the bending device in the above embodiment is used for bending the metal sheet 200 requiring a large bending angle, and is actually applied to the metal sheet 200 having a bending angle of at least 90 °.

Meanwhile, fig. 2 is a schematic diagram illustrating a bending process of the metal sheet 200 in an embodiment, specifically, fig. 2 a is a schematic diagram illustrating the metal sheet 200 being pressed by the pressing end 41, fig. 2B is a schematic diagram illustrating the second sheet 202 being bent for the first time by the first telescopic end 51, and fig. 2C is a schematic diagram illustrating the second telescopic end 61 moving toward the second sheet 202 that has been bent at a certain angle.

Fig. 3 and a to B in fig. 4 are schematic structural diagrams of the first sheet 201 and the second sheet 202 of the metal sheet 200 before and after bending in one embodiment.

In some embodiments, the bending apparatus further includes a mounting frame 10 and a support 20, the pressing mechanism 40 is disposed on the mounting frame 10, the support 20 is reciprocally movably disposed on the mounting frame 10 along a third direction perpendicular to the first direction, the supporting plate 30, the first bending mechanism 50 and the second bending mechanism 60 are disposed on the support 20, and the support 20 is reciprocally moved along the third direction to adjust the position of the supporting plate 30 relative to the pressing mechanism 40, i.e., to adjust the position of the metal sheet 200 on the supporting plate 30 relative to the pressing mechanism 40.

The support 20 has a pressing position during the reciprocating movement along the third direction, and when the support 20 is located at the pressing position, the pressing mechanism 40 can press the metal sheet 200 onto the bearing surface 32.

Of course, the reciprocating movement of the support 20 along the third direction can also realize the movement of the loading plate 30 from the loading station to the pressing station, i.e. the position of the loading plate 30 when the support 20 is located at the pressing position.

Further, the mounting frame 10 includes a bottom plate 12 and a supporting portion 14, the support 20 is disposed on the bottom plate 12 in a reciprocating manner along a third direction, the supporting portion 14 is connected to the same side of the bottom plate 12 where the support 20 is disposed, the pressing mechanism 40 is disposed on the supporting portion 14, and when the support 20 is located at the pressing position, the pressing assembly corresponds to the bearing plate 30 in the first direction.

Specifically, the bottom plate 12 is provided with a slide rail 91 extending lengthwise along the third direction, and the bottom of the bracket 20 is provided with a slide block slidably engaged with the slide rail 91.

In some embodiments, the bending apparatus further includes a first driving member 92, wherein the first driving member 92 is disposed on the mounting frame 10 and is in transmission connection with the support 20 to drive the support 20 to move back and forth along the third direction. In practice, the first driving member 92 is disposed on the base plate 12. Specifically, the first driving member 92 is a cylinder, an electric cylinder, a linear module, or the like.

In some embodiments, the third direction is the same as the second direction, i.e., the third direction is the front-to-back direction shown in fig. 1. In other embodiments, the third direction may be another direction perpendicular to the first direction, and is not limited herein.

In some embodiments, the bearing plate 30 has a bearing surface 32 and a connecting plate on two opposite sides in the first direction, the bearing surface 32 is used for bearing the metal sheet 200, and the pressing mechanism 40 is used for pressing the metal sheet 200 against the bearing surface 32.

Further, the carrier plate 30 further has a through hole 34 penetrating through the bearing surface 32 and the connecting surface, and the first telescopic end 51 can penetrate through the through hole 34 to bend the metal sheet 200 toward the pressing mechanism 40 during the reciprocating movement along the first direction.

Thus, the metal sheet 200 can be placed on the bearing surface 32, the first sheet 201 and the second sheet 202 are arranged along the second direction, wherein the first sheet 201 is pressed by the pressing mechanism 40, the first sheet 201 is located on one side of the through hole 34 far away from the second bending mechanism 60, the second sheet 202 at least covers a part of the through hole 34, then the first telescopic end 51 of the first bending mechanism 50 moves along the first direction and penetrates through the through hole 34, abuts against the second sheet 202 in the penetrating process, pushes the second sheet 202 to bend at a certain angle to the pressing mechanism 40 relative to the first sheet 201, and then the second telescopic end 61 of the second bending mechanism 60 extends, and as the second sheet 202 is bent at a certain angle, the second telescopic end 61 abuts against the second sheet 202 bent at a certain angle when extending, and abuts against the second sheet 202 and continues to bend to the pressing mechanism 40 to a preset angle.

Referring to fig. 1 and 5, in some embodiments, the pressing mechanism 40 has a pressing end 41 facing the bearing surface 32, the pressing end 41 is movable in a reciprocating manner along a first direction, and the pressing end 41 can be pressed against the metal sheet 200 during the reciprocating movement along the first direction. In practical applications, when the support 20 is located at the pressing position, the pressing end 41 corresponds to the metal sheet 200 on the bearing surface 32 in the first direction and corresponds to the first sheet 201 to press against the first sheet 201 when moving toward the bearing surface 32 in the first direction.

Referring to fig. 1 and 5, in some embodiments, the pressing mechanism 40 includes a second driving member 42 and a pressing block assembly 44, the second driving member 42 is in transmission connection with the pressing block assembly 44 to drive the pressing block assembly 44 to move back and forth along a first direction, and the pressing block assembly 44 can be pressed against the metal sheet 200 during the process of moving back and forth along the first direction.

Further, the pressing block assembly 44 includes a mounting structure 442 and a protruding structure 444, the mounting structure 442 is in transmission connection with the second driving element 42, the mounting structure 442 can be pressed against the metal sheet 200 during the reciprocating movement along the first direction, and the protruding structure 444 is disposed on one side of the mounting structure 442 facing the second bending mechanism 60 along the second direction, and is used for providing a bearing for the metal sheet 200 during the process that the second telescopic end 61 presses against the metal sheet 200 and continues to bend towards the pressing mechanism 40, so as to ensure that the metal sheet 200 is pressed and bent to a preset angle during the second bending.

When the metal sheet 200 is placed, it is ensured that the second sheet 202 corresponds to the protrusion 444 in the second direction, that is, the mounting structure 442 abuts against the first sheet 201 at a position corresponding to the second sheet 202, and the protrusion 444 is disposed on a side of the structure facing the second bending mechanism 60, and when the second telescopic end 61 pushes the second sheet 202 to bend, the second sheet 202 can abut against the protrusion 444.

Thus, the shape and size of the protruding structure 444 can be set according to the required bending angle of the second piece 202, the second piece 202 is required to be bent by 90 degrees, and the resilience angle is determined as an example, only by ensuring that the second piece 202 is pushed by the second telescopic end 61 and abuts against the protruding structure 444, the bending angle of the second piece 202 is the sum of 90 degrees and the resilience angle, and after the second telescopic end 61 is withdrawn, the second piece 202 is ensured to rebound to 90 degrees, and the precision of the bending angle of the second piece 202 is effectively ensured.

In some embodiments, the side of the protruding structure 444 facing away from the mounting structure 442 in the second direction has an inclined surface 4441, the inclined surface 4441 is inclined relative to the first direction, and the second telescopic end 61 abuts against and abuts against the inclined surface 4441 during the bending process of the bent metal sheet 200 continuing to the pressing mechanism 40.

Further, the distance between the top end of inclined surface 4441 and mounting structure 442 is smaller than the distance between the bottom end of inclined surface 4441 and mounting structure 442, i.e., inclined surface 4441 is inclined from top to bottom toward the right as viewed in fig. 5.

The second piece 202 can abut against and be attached to the inclined surface 4441 when pushed by the second telescopic end 61 to be bent continuously. Thus, the angle of inclination of inclined surface 4441 with respect to the first direction needs to be determined according to the material of metal sheet 200 to ensure that second sheet 202 rebounds back to the desired bending angle after second telescopic end 61 is withdrawn.

Meanwhile, in order to ensure that the second piece 202 can abut and adhere to the inclined surface 4441 during the continuous bending process, the distance between the inclined surface 4441 and the second piece 202 in the second direction should not be too large, that is, the size of the protrusion 444 needs to be determined according to actual conditions, so that the second piece 202 can abut and adhere to the inclined surface 4441 by an excessively large bending angle.

In some embodiments, the raised structure 444 further has an arcuate surface 4442 coupled to the inclined surface 4441, the arcuate surface 4442 protruding outward of the raised structure 444 and being located at the bottom of the raised structure 444. As can be seen from fig. 2, when the mounting structure 442 is pressed against the first sheet 201, the arc surface 4442 of the protruding structure 444 is ensured to be located at the connection position of the first sheet 201 and the second sheet 202, so that during the process of bending the second sheet 202, the bent positions of the first sheet 201 and the second sheet 202 can be pressed against the arc surface 4442, the shape of the bent positions is ensured, and the bent positions are prevented from being damaged.

In some embodiments, the mass assembly 44 further includes a flexible spacer 446, the flexible spacer 446 being disposed at an end of the mounting structure 442 remote from the second driving member 42 for pressing against the first plate 201 during the reciprocal movement of the mounting structure 442 in the first direction. Specifically, the flexible cushion block 446 is made of a soft material, preferably a polyurethane material, which can prevent the metal sheet 200 from being crushed, and can increase the pressing strength to prevent the metal sheet 200 from moving.

Referring to fig. 1 and 6, in some embodiments, the first bending mechanism 50 includes a third driving member 52 and a bending assembly, the third driving member 52 is disposed on the bracket 20, the third driving member 52 is in transmission connection with the bending assembly to drive the bending assembly to move back and forth along a first direction, and the bending assembly has a first telescopic end 51.

Further, the bending assembly includes a mounting block 54 and a rolling member 56, the mounting block 54 is in transmission connection with the third driving member 52, the rolling member 56 is rotatably connected to one end of the mounting block 54 away from the third driving member 52 around a rotation axis perpendicular to the first direction and the second direction, and the rolling member 56 is used for abutting against the metal sheet 200 during the reciprocating movement along the first direction with the mounting block 54, so as to bend the metal sheet 200 towards the pressing mechanism 40.

In practical applications, the third driving element 52 is located at one side of the bearing plate 30 corresponding to the connecting surface, and the rolling element 56 can pass through the through hole 34 during the reciprocating movement along the first direction to press against the metal sheet 200 on the bearing surface 32.

It will be appreciated that, during the reciprocating movement of the mounting block 54 along the first direction, both the portion of the mounting block 54 and the rolling member 56 can pass through the through hole 34, and therefore, the first telescopic end 51 in the above embodiment includes the portion of the mounting block 54 that can pass through the through hole 34 and the rolling member 56.

The rolling member 56 is rotatable along the rotation axis, the rolling member 56 abuts against the second plate 202 when moving through the through hole 34 along the first direction, and the rolling member 56 can roll on the second plate 202 when continuing to move and push the second plate 202 to bend, compared with the rolling member 56 which pushes the second plate 202 to bend by moving on the surface of the second plate 202, the rolling of the rolling member 56 effectively reduces the friction force and avoids the abrasion to the second plate 202.

In particular, the rolling member 56 is a roller, and the end of the mounting block 54 remote from the third driving member 52 has spaced mounting arms, between which the roller is rotatably disposed about an axis of rotation. Of course, the roller may be connected to the mounting block 54 in other manners as long as the roller can be pressed against the metal sheet 200 when moving along the first direction with the mounting block 54 and can roll on the metal sheet 200 to bend the metal sheet 200 toward the pressing mechanism 40.

In some embodiments, the size of the through hole 34 matches the orthographic projection direction of the first telescopic end 51 on the connecting surface, that is, the size of the through hole 34 is slightly larger than the orthographic projection direction of the first telescopic end 51 on the connecting surface, so as to facilitate the passing of the first telescopic end 51.

When the metal sheet 200 is placed on the bearing surface 32, the joint of the first sheet 201 and the second sheet 202 is ensured to be positioned at one side edge of the through hole 34 along the second direction, so that when the first telescopic end 51 passes through the through hole 34 and pushes the second sheet 202 to bend, the first telescopic end 51 can bend the second sheet 202 by 90 degrees.

Of course, in other embodiments, the first telescopic end 51 may also bend the second piece 202 into other angles not exceeding 90 °, as long as it is ensured that the bent second piece 202 can be pressed by the second telescopic end 61 reciprocating along the second direction.

It will be appreciated that when the connection between the first and

second pieces

201 and 202 is at one side edge of the through hole 34 in the second direction, the bracket 20 is moved to the pressing position, the pressing end 41 presses the first piece 201, and the arc-shaped surface 4442 of the projection 444 is at the connection between the first and

second pieces

201 and 202.

In addition, the pressing positions of the bracket 20 are multiple, the bracket 20 is located at any pressing position, the pressing end 41 can press the metal sheet 200, and on the premise that the pressing end 41 and the protruding structure 444 do not affect the action of the first telescopic end 51, when the bracket 20 is located at different pressing positions, the positions of the pressing end 41 and the protruding structure 444 relative to the metal sheet 200 also change, so that the bending positions of the first sheet 201 and the second sheet 202 also change correspondingly. Therefore, the length of the two mutually perpendicular sides formed after bending can be adjusted, namely the length of the folded and bent sides is adjusted.

Referring to fig. 1 and fig. 6, in some embodiments, the second bending mechanism 60 includes a fourth driving member 62 and a pushing plate 64, the fourth driving member 62 is disposed on the bearing surface 32, and the fourth driving member 62 is in transmission connection with the pushing plate 64 to drive the pushing plate 64 to move back and forth along the second direction, the pushing plate 64 has the above-mentioned second telescopic end, that is, the metal sheet 200 that can be pressed and bent in the moving process of the pushing plate 64 is continuously bent toward the pressing mechanism 40.

In practical applications, an end of the push plate 64 away from the fourth driver 62 has an abutting surface for abutting against the second piece 202 bent at a certain angle. Specifically, the abutment surface is perpendicular to the second direction.

In some embodiments, bending apparatus further includes a positioning mechanism 70, where positioning mechanism 70 is disposed on bearing surface 32, and is configured to form a fixing position for fixing metal sheet 200 on bearing surface 32, and through hole 34 is at least partially located in the fixing position.

It can be understood that, since the second sheet 202 needs to be bent, the fixing position is used to position the first sheet 201 to ensure that the first sheet 201 can be pressed on the bearing surface 32 by the pressing end 41.

In practical applications, the positioning mechanism 70 further includes a first positioning assembly 74 and a second positioning assembly 76, the first positioning assembly 74 and the second positioning assembly 76 are disposed at an interval in a fourth direction perpendicular to the first direction and the second direction, and the positioning block 72, the first positioning assembly 74 and the second positioning assembly 76 are used for enclosing the bearing surface 32 to form the above-mentioned fixed position. Wherein the fourth direction is the left-right direction shown in fig. 1.

In some embodiments, the first positioning assembly 74 includes a fifth driving element and a pushing block, the fifth driving element is disposed on the carrying surface 32 and is in transmission connection with the pushing block to drive the pushing block to move back and forth along the fourth direction, so as to release or position the metal sheet 200 on the carrying surface 32.

In other embodiments, the second positioning assembly 76 is identical to the first positioning assembly 74, and the pushing block of the first positioning assembly 74 and the pushing block of the second positioning assembly 76 are disposed opposite to each other in the fourth direction. Of course, in other embodiments, one of the first positioning assembly 74 or the second positioning assembly 76 may include a fifth driving member and a pushing block, and the other one is only provided with the pushing block fixed on the bearing surface 32, so as to position and release the metal sheet 200 on the bearing surface 32.

In some embodiments, the bending apparatus further includes a positioning block 72 disposed on the bearing plate 30, and the positioning block 72 and the second bending mechanism 60 are disposed at an interval in the second direction, so as to limit the metal sheet 200 during the process that the second telescopic end 61 presses the metal sheet 200 to continue to bend toward the pressing mechanism 40, so as to prevent the metal sheet 200 from moving during the second bending process.

Further, the positioning block 72 is located on the bearing surface 32 and on the other side of the through hole 34 opposite to the push plate 64 along the second direction, and the push plate 64 may approach or separate from the positioning block 72 during the reciprocating movement along the second direction. In this way, when the push plate 64 bends the metal sheet 200 for the second time, the positioning block 72 can limit the metal sheet 200 from moving in the second direction.

In some embodiments, the second driving element 42, the third driving element 52, the fourth driving element 62 and the fifth driving element in the above embodiments may be driving mechanisms such as an air cylinder or an electric cylinder, and are not limited herein.

In order to facilitate understanding of the technical solution of the present invention, the working procedure of the bending apparatus in one embodiment is described here:

initially, the support 20 is located at a feeding station to feed the metal sheet 200, after the metal sheet 200 is located at a fixing position by the above-mentioned locating mechanism 70, and then the first driving member 92 drives the support 20 to move to the pressing position along the third direction.

After the support 20 reaches the pressing position, the second driving element 42 drives the press block assembly 44 to move downwards to abut against the first sheet 201, the convex structures 444 of the press block assembly 44 are located at the bending positions of the first sheet 201 and the second sheet 202, then the third driving element 52 drives the mounting block 54 and the rolling element 56 to move upwards to penetrate through the through hole 34 and push the second sheet 202 to bend 90 degrees, then the mounting block 54 and the rolling element 56 move downwards to give way to the push plate 64, the fourth driving element 62 drives the push plate 64 to move towards the bent second sheet 202 and pushes the second sheet 202 to bend continuously until abutting against the inclined surfaces 4441 of the convex structures 444, after the push plate 64 retracts, the second sheet 202 rebounds for a certain angle, and the included angle between the second sheet 202 and the first sheet 201 is 90 degrees.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A bending apparatus, comprising:

a carrier plate;

2. The bending apparatus according to claim 1, wherein the carrier plate has a bearing surface and a connecting surface on opposite sides in the first direction, the carrier plate further having a through hole penetrating the bearing surface and the connecting surface;

3. The bending apparatus according to claim 1, further comprising a mounting frame and a bracket, wherein the pressing mechanism is disposed on the mounting frame, and the carrier plate, the first bending mechanism and the second bending mechanism are disposed on the bracket;

4. The bending apparatus according to claim 1, wherein the pressing mechanism includes a second driving member and a pressing block assembly, the second driving member is in transmission connection with the pressing block assembly to drive the pressing block assembly to move back and forth along the first direction, and the pressing block assembly can be pressed against the metal sheet during the process of moving back and forth along the first direction.

5. The bending apparatus according to claim 4, wherein the pressing block assembly includes a mounting structure and a protruding structure, the mounting structure is in transmission connection with the second driving member, the mounting structure can be pressed against the metal sheet during the reciprocating movement along the first direction, and the protruding structure is disposed on one side of the mounting structure facing the second bending mechanism along the second direction and used for providing bearing for the metal sheet during the process that the second telescopic end presses the metal sheet and continues to bend towards the pressing mechanism.

6. The bending apparatus according to claim 5, wherein the press block assembly further includes a flexible pad disposed at an end of the mounting structure along the first direction for pressing against the metal sheet during reciprocal movement with the mounting structure along the first direction.

7. The bending apparatus according to claim 1, further comprising a positioning mechanism disposed on the carrier plate for forming a fixing position for fixing the metal sheet on the carrier plate.

8. The bending apparatus according to claim 7, wherein the positioning mechanism includes a first positioning assembly and a second positioning assembly both disposed on the carrier plate;

9. The bending apparatus according to claim 1, further comprising a positioning block disposed on the bearing plate and spaced apart from the second bending mechanism in the second direction, wherein the positioning block is configured to limit the metal sheet when the second telescopic end presses the metal sheet to continue bending the metal sheet to the pressing mechanism.

10. The bending apparatus according to claim 1, wherein the first bending mechanism includes a third drive member, a mounting block, and a roller