CN210936588U

CN210936588U - Bending device

Info

Publication number: CN210936588U
Application number: CN201921348641.0U
Authority: CN
Inventors: 曾彬彬; 陈敏; 蓝福寿; 郑榆
Original assignee: Xiamen Hiprecise Technology Co ltd
Current assignee: Xiamen Hiprecise Technology Co ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-07-07
Anticipated expiration: 2029-08-19

Abstract

The utility model provides a bending device, which comprises a conveying assembly and a bending assembly; the conveying assembly is provided with a clamp and an X-axis driving piece, and the X-axis driving piece is connected with the clamp so as to drive the clamp to move between a first position and a second position along the X axis to clamp and convey the workpiece; the bending assembly comprises a first fixed die, a first movable die, a bending driving piece and an opening and closing die driving piece, the first movable die is movable between a die assembly position and a die assembly position relative to the first fixed die and is rotatable between the die assembly position and a bending position for bending a workpiece, and the opening and closing die driving piece is connected with the first movable die to drive the first movable die to reciprocate; at the die assembly position, the first fixed die and the first movable die clamp the part to be bent of the workpiece together, and the bending driving piece drives the first movable die to rotate to the bending position so as to bend and form the part to be bent of the workpiece; the bending device is suitable for bending long workpieces and short workpieces, and the processing range is enlarged.

Description

Bending device

Technical Field

The utility model relates to a metal parts's processing field, in particular to bending device.

Background

The busbar is a connecting copper bar or aluminum bar of a main switch and each shunt circuit switch in an electric cabinet in a power supply system of high-low voltage complete industry. In the related art, a bending device for metal parts such as busbars can realize a series of automatic action processes such as automatic feeding and bending of workpieces. However, most of the applicable workpieces are directed at longer workpieces, and the processing range is limited.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem in the above-mentioned technique to a certain extent at least, provide a bending device who both has been applicable to long work piece and has been applicable to short work piece again promptly, make the scope of working grow.

To achieve the above object, the present invention provides in a first aspect a bending apparatus including: a conveying assembly and a bending assembly;

the conveying assembly is provided with a clamp and an X-axis driving piece, and the X-axis driving piece is connected with the clamp to drive the clamp to move between a first position and a second position along the X axis so as to clamp and convey the workpiece;

the bending assembly comprises a first fixed die, a first movable die, a bending driving piece and a die opening and closing driving piece, the first movable die is movable relative to the first fixed die between a die closing position and a die opening position and is rotatable between the die closing position and a bending position for bending a workpiece, and the die opening and closing driving piece is connected with the first movable die to drive the first movable die to reciprocate; in the die assembly position, the first fixed die and the first movable die clamp the part to be bent of the workpiece together, and the bending driving part drives the first movable die to rotate to the bending position so as to bend and mold the part to be bent of the workpiece.

According to the utility model discloses a bending device, through the pay-off of conveying subassembly centre gripping, can realize the pay-off of long work piece or short work piece, through the centre gripping cooperation of the first movable mould in the bending subassembly and first cover half, can automatic positioning work piece the portion of bending to make first movable mould rotate and bend the required angle with the work piece automatically through bending the driving piece, thereby make this bending device not only be applicable to long work piece, be applicable to the bending processing of short work piece again, make the range of work grow; the device has compact structure, high reliability, high precision and high efficiency.

In addition, according to the bending device provided by the above embodiment of the present invention, the following additional technical features may also be provided:

according to the utility model discloses an embodiment, the subassembly of bending still includes second cover half and second movable mould, the second cover half with the second movable mould for first cover half with the second movable mould 180 of overturning in the Z axle direction, and the second movable mould with the mould driving piece that opens and shuts is connected, when ordering about the second movable mould with the second cover half when 180 of overturning in the Z axle direction, the second movable mould is in move between compound die position and die sinking position under the drive of the mould driving piece that opens and shuts it is rotatory between compound die position and the position of bending under the driving piece drive of bending, in order to right the work piece is carried out the switching-over and is bent. The scheme can realize the left-right reversing bending of the workpiece.

According to the utility model discloses an embodiment, still including being suitable for the drive the second movable mould with the 180 drive assembly of second cover half upset, drive assembly contains Y axle driving piece, Z axle driving piece and rotary driving piece, the subassembly of bending is connected on the removal end of Z axle driving piece remove along the Z axle under the drive of Z axle driving piece, Z axle driving piece is connected on rotary driving piece's the power end follow the rotation of center of rotation axle under rotary driving piece's the drive, rotary driving piece connects on Y axle driving piece's removal end remove along the Y axle under Y axle driving piece's the drive.

According to the utility model discloses an embodiment, the side of first movable mould is equipped with first guide die, first guide die is suitable for the guide work piece to insert first cover half with between the first movable mould.

According to the utility model discloses an embodiment, be equipped with a movable guide on the first guide die, work as the work piece is followed the compound die position is rotatory extremely during the position of bending, movable guide is along with the extension of work piece removes.

According to the utility model discloses an embodiment, the driving piece of bending includes rotating base and motor, the motor with the rotating base transmission is connected, with the drive rotating base is rotatory, rotating base passes through the support and connects the die driving piece is in order to drive first movable mould is rotatory.

According to the utility model discloses an embodiment, conveying component still includes transition fixture and positioning mechanism, transition fixture is suitable for and receives the work piece, in order to wait the anchor clamps are taken away the work piece, positioning mechanism is suitable for right the position of anchor clamps centre gripping work piece is fixed a position.

According to the utility model discloses, anchor clamps include fixed plate, first splint, second splint, layer board, first cylinder and second cylinder, first splint are fixed on the fixed plate, the movably setting of second splint is in on the fixed plate, first cylinder is connected the second splint are with the drive the second splint remove and cooperate first splint are along Y axle direction centre gripping the work piece, the layer board sets up first splint with between the second splint, with the cooperation the second cylinder is along Z axle direction centre gripping the work piece.

Additional aspects and advantages of the invention 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 invention.

Drawings

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

fig. 2 is a schematic structural view of a delivery assembly according to an embodiment of the present invention;

fig. 3 is a first perspective schematic view of a bending assembly according to an embodiment of the present invention;

fig. 4 is a second perspective view of a bending assembly according to an embodiment of the present invention;

fig. 5 is a third perspective view of a bending assembly according to an embodiment of the present invention;

description of reference numerals: the bending device 1, the conveying assembly 100, the clamp 101, the fixing plate 1011, the first clamping plate 1012, the second clamping plate 1013, the supporting plate 1014, the first cylinder 1015, the second cylinder 1016, the X-axis driving element 102, the first servo motor 1021, the first trapezoidal thread lead screw 1022, the first linear guide rail assembly 1023, the transition clamping mechanism 103, the positioning mechanism 104, the bending assembly 200, the first fixed die 201, the first movable die 202, the bending driving element 203, the rotating base 2031, the third servo motor 2032, the die opening and closing driving element 204, the second servo motor 2041, the second trapezoidal thread lead screw 2042, the second linear guide rail assembly 2043, the support 205, the second fixed die 206, the second movable die 207, the Y-axis driving element 208, the fifth servo motor 2081, the fifth trapezoidal thread lead screw 2082, the fifth linear guide rail assembly 2083, the Z-axis driving element 209, the fourth servo motor 2091, the fourth trapezoidal thread lead screw 2, the fourth linear guide rail assembly 2093, the first linear guide rail assembly 2093, the second, The rotary driving part 210, the first guide die 211, the movable guide plate 2111, the sixth linear guide rail assembly 2112, the third cylinder 2113 and the frame 300.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

A bending apparatus 1 according to an embodiment of the present invention is described below with reference to the drawings.

As shown in fig. 1-5, according to the utility model discloses bending device 1 is suitable for to female workpiece such as arranging carry out automatic feed, the operation of bending, can be according to different information such as the width of work piece and thickness, automatic adjustment machining parameter to both applicable in the processing of long work piece, applicable in short work piece again. The bending apparatus 1 includes a conveying assembly 100 and a bending assembly 200.

Specifically, the conveying assembly 100 has a clamp 101 and an X-axis driving member 102, and the X-axis driving member 102 is connected to the clamp 101 to drive the clamp 101 to move along the X-axis between a first position and a second position to pinch the workpiece. The bending assembly 200 comprises a first fixed die 201, a first movable die 202, a bending driving member 203 and an opening and closing die driving member 204, wherein the first movable die 202 is movable relative to the first fixed die 201 between a die closing position and a die opening position and is rotatable between the die closing position and a bending position for bending a workpiece, and the opening and closing die driving member 204 is connected with the first movable die 202 to drive the first movable die 202 to reciprocate; in the mold closing position, the first fixed mold 201 and the first movable mold 202 clamp the portion to be bent of the workpiece together, and the bending driving member 203 drives the first movable mold 202 to rotate to the bending position, so that the portion to be bent of the workpiece is bent and formed.

That is to say, compare current bending device, the conveying assembly 100 of the present invention adopts the clamp 101 to clamp and convey the workpiece, so that the workpiece can be short in length or long in length; then, in the bending assembly 200, the first movable die 202 is driven to move towards or away from the first fixed die 201 through the die opening and closing driving part 204, so that the first movable die 202 and the first fixed die 201 can clamp the workpiece, after the workpiece is clamped by the first movable die 202 and the first fixed die 201, the first movable die 202 rotates through the bending driving part 203, the first movable die 202 is matched with the first fixed die 201 to bend and mold a part of the workpiece to be bent, and thus, when the workpiece is a short workpiece, the workpiece can be clamped and conveyed to a position close to the first fixed die 201 by the clamp 101, so that the workpiece can be bent by the first fixed die 201 and the second movable die 202. This improves the processing range of the bending apparatus 1.

Here, it is understood that the first position is a position where the clamp 101 receives and clamps the workpiece, and the second position is adjustable according to the length of the workpiece. The mold clamping position is a position where the first movable mold 202 and the first fixed mold 201 are engaged to clamp the workpiece, and the mold clamping position is different and the mold opening position is an initial position of the first movable mold 202, depending on the thickness of the workpiece. The bending position is set according to the angle of the workpiece to be bent.

Specifically, the X-axis driving component 102 may adopt a first servo motor 1021 and a high-precision first trapezoidal thread lead screw 1022 to convey the workpiece in the X-axis direction, so that accurate and fast positioning feeding can be realized, and the trapezoidal thread has a self-locking function; then, adopt first straight line guide rail subassembly 1023, reduce equipment noise, make the operation more smooth and easy stable. That is, the clamp 101 is connected to the first linear guide assembly 1023, and the moving end of the first trapezoidal thread lead screw 1022 is connected to the first linear guide assembly 1023 and driven by the first servo motor 1021. The first and second positions may then be set up by the gantry 300 for the first linear guide rail assembly 1023 so that the X-axis drive 102 can drive the clamp 101 between the first and second positions.

With reference to fig. 3, the mold opening and closing driving component 204 may be a second servo motor 2041, which is driven by a high-precision planetary gear reducer, and is driven by a high-precision second trapezoidal thread lead screw 2042, so as to achieve the programmed set speed and pressing force, and precisely control the position of the first movable mold 202; meanwhile, parameters of different dies can be set through programs, so that only the set program needs to be called after the dies are replaced. Then, the mold opening and closing driving member 204 further adopts the second linear guide rail assembly 2043 to push the first movable mold 202, so that the noise of the apparatus is reduced, and the operation is smoother and more stable. That is, the first movable mold 202 is connected to the second linear guide assembly 2043, the second linear guide assembly 2043 is connected to the moving end of the second trapezoidal thread lead screw 2042, and the second trapezoidal thread lead screw 2042 is driven by the second servo motor 2041, so that the first movable mold 202 can move between the mold opening position and the mold closing position.

With reference to fig. 3 and 4, the bending driving device 203 may include a rotating base 2031 and a third servo motor 2032, the third servo motor 2032 is in transmission connection with the rotating base 2031 to drive the rotating base 2031 to rotate, and the rotating base 2031 is connected to the mold opening and closing driving device 204 through a support 205 to drive the first movable mold 202 to rotate. The third servo motor 2032 and the rotating base 2031 can be driven by a high-precision helical gear-worm gear reducer, so that the first movable mold 202 can rotate precisely and be positioned quickly around the connecting central shaft. It is understood that the first movable mold 202 is connected to the second linear guide assembly 2043, the entire mold opening and closing driver 204 is disposed in the support 205, and the support 205 is connected to the rotating base 2031, so that the rotating base 2031 rotates to rotate the first movable mold 202.

Optionally, in conjunction with fig. 3, the bending assembly 200 further includes a second fixed die 206 and a second movable die 207, the second fixed die 206 and the second movable die 207 are turned 180 ° in the Z-axis direction with respect to the first fixed die 201 and the second movable die 202, and the second movable die 207 is connected to the open-close die driving member 204, and when the second movable die 207 and the second fixed die 206 are driven to turn 180 ° in the Z-axis direction, the second movable die 207 is driven by the open-close die driving member 204 to move between the mold closing position and the mold opening position, and driven by the bending driving member 203 to rotate between the mold closing position and the bending position, so as to perform reverse bending on the workpiece. That is, bending assembly 200 is provided with two sets of dies along the Z-axis, one set of dies located on the top of rotating base 2031 and the other set of dies located on the bottom of rotating base 2031. The movable dies of the two sets of dies are positioned on the same side, and the fixed dies of the two sets of dies are also positioned on the same side, so that when the workpiece is turned over for 180 degrees in the Z-axis direction, the positions of the two dies can be changed, and the positions of the movable dies are changed, so that the workpiece can be bent by the second fixed die 206 and the second movable die 207 in a left-right reversing manner.

Further, in order to realize the 180 ° turnover of the second fixed die 206 and the second movable die 207, the bending apparatus 1 further includes a driving assembly adapted to drive the second movable die 207 and the second fixed die 206 to turn over 180 °, the driving assembly includes a Y-axis driving member 208, a Z-axis driving member 209 and a rotary driving member 210, the bending assembly 200 is connected to a moving end of the Z-axis driving member 209 and moves along the Z-axis under the driving of the Z-axis driving member 209, the Z-axis driving member 209 is connected to a power end of the rotary driving member 210 and rotates along a central axis of rotation under the driving of the rotary driving member 210, and the rotary driving member 210 is connected to a moving end of the Y-axis driving member 208 and moves along the Y-axis under the driving of the Y-axis driving. That is, the second fixed die 206 and the second movable die 207 can be turned 180 ° in the Z-axis direction by the rotation driver 210 to be positioned on the top of the rotation base 2031, and the positions of the second fixed die 206 and the second movable die 207 can be adjusted by the Y-axis driver 208 and the Z-axis driver 209 so that they can receive a workpiece and perform bending molding on the workpiece.

Specifically, the Z-axis driving component 209 can be driven by a fourth servo motor 2091, and is matched with a high-precision fourth trapezoidal thread lead screw 2092 for transmission, so that accurate and rapid positioning can be realized; and the fourth linear guide rail assembly 2093 is adopted, so that the noise of the equipment is reduced, and the operation is smoother and more stable. That is to say, the bending driving member 203 is connected to the fourth linear guide rail assembly 2093 through the bracket, the fourth linear guide rail assembly 2093 is connected to the moving end of the fourth trapezoidal thread lead screw 2092, and the fourth trapezoidal thread lead screw 2092 is driven by the fourth servo motor 2091, so that the bending driving member 203 drives the moving mold, the fixed mold and the mold opening and closing driving member 204 to move in the Z-axis direction.

The rotary driving part 210 can be driven by a hydraulic motor and matched with a high-precision gear reduction transmission design, and can drive the Z-axis driving part 209 and the bending driving part 203 connected with the Z-axis driving part to realize 180-degree accurate overturning and quick positioning around a rotary central shaft; thereby controlling the fixed die, the movable die and the like to bend the workpiece in a left-right reversing way. That is, the Z-axis driver 209 is connected to the gear reduction structure of the rotary driver 210 through a bridge.

The Y-axis driving member 208 can be driven by a fifth servo motor 2081, and is matched with a high-precision planetary gear reducer to transmit with a high-precision fifth trapezoidal thread lead screw 2082, so that accurate and rapid positioning can be realized; and the fifth linear guide rail assembly 2083 is adopted, so that the equipment noise is reduced, and the operation is smoother and more stable. That is to say, the rotary driving element 210 is connected to the fifth linear guide rail assembly 2083 through the support plate, the fifth linear guide rail assembly 2083 is connected to the moving end of the fifth trapezoidal thread lead screw 2082, and the fifth trapezoidal thread lead screw 2082 is driven by the fifth servo motor 2081, so that the rotary driving element 210 drives the moving die, the fixed die and the die opening and closing driving element 204 to move in the Y axis direction.

In some examples, a first guide die 211 is provided at a side of the first movable die 202, and the first guide die 211 is adapted to guide the workpiece to be inserted between the first fixed die 201 and the first movable die 202. Specifically, the first guide die 211 is connected to the one set of opening and closing mold driving unit 204, and the first guide die 211 is driven by the opening and closing mold driving unit 204 to follow the opening and closing operation of the first movable die 202. Then, a movable guide plate 2111 is provided on the first guide die 211, and when the workpiece is rotated from the mold clamping position to the bending position, the movable guide plate 2111 moves along with the extension of the workpiece. Specifically, the movable guide 2111 is connected to the first guide die 211 through a sixth linear guide assembly 2112, so that the workpiece extends forward during bending, and moves forward; and the movable guide plate 2111 is returned after being disengaged from the workpiece by the third cylinder 2113. In addition, a second guide die may be similarly provided on the side of the second movable die 202.

Optionally, in conjunction with fig. 2, the conveyor assembly 100 further comprises a transition gripping mechanism 103 and a positioning mechanism 104, the transition gripping mechanism 103 being adapted to receive the workpiece to wait for the gripper 101 to remove the workpiece, and the positioning mechanism 104 being adapted to position the gripper 101 in a position to grip the workpiece. That is, the transition clamping mechanism 103 is disposed right in front of the clamp 101, when the workpiece is conveyed from the previous station, the transition clamping mechanism 103 receives the workpiece and then conveys the workpiece to the clamp 101, and when the clamp 101 clamps the workpiece for bending, the transition clamping mechanism 103 can clamp the next workpiece. Specifically, the transition clamping mechanism 103 may include two clamping plates and an air cylinder, which is driven by the air cylinder to move the clamping plates so that the two clamping plates clamp the workpiece. Positioning mechanism 104 is arranged on the other side of clamp 101 opposite to transition clamping mechanism 103, and positioning mechanism 104 may include a cylinder and a baffle plate, and the cylinder drives the baffle plate to stretch out and draw back, so that when clamp 101 clamps a workpiece, the baffle plate can position the initial position of the workpiece, and the use of subsequent processing is facilitated.

Optionally, the clamp 101 includes a fixing plate 1011, a first clamping plate 1012, a second clamping plate 1013, a support plate 1014, a first cylinder 1015, and a second cylinder 1016, the first clamping plate 1012 is fixed on the fixing plate 1011, the second clamping plate 1013 is movably disposed on the fixing plate 1011, the first cylinder 1015 is connected to the second clamping plate 1013 to drive the second clamping plate 1013 to move to clamp the workpiece in the Y-axis direction in cooperation with the first clamping plate 1012, and the support plate 1014 is disposed between the first clamping plate 1012 and the second clamping plate 1013 to clamp the workpiece in the Z-axis direction in cooperation with the second cylinder 1016. That is to say, the clamp 101 clamps the workpiece in the Y-axis direction and the Z-axis direction through the cylinder, so as to clamp the workpiece and prevent the workpiece from rolling over and falling off during the conveying process.

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" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more 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; either directly or indirectly through intervening media, either internally or in any other relationship. 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 disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," 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 invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A bending device, comprising: a conveying assembly and a bending assembly;

2. The bending apparatus of claim 1, wherein the bending assembly further comprises a second stationary die and a second movable die, the second stationary die and the second movable die being rotated 180 ° in the Z-axis direction relative to the first stationary die and the second movable die, and the second movable die being coupled to the die opening/closing drive, the second movable die being driven by the die opening/closing drive to move between the die closing position and the die opening position and driven by the bending drive to rotate between the die closing position and the bending position to reverse bend the workpiece when the second movable die and the second stationary die are driven to rotate 180 ° in the Z-axis direction.

3. The bending apparatus as claimed in claim 2, further comprising a driving assembly adapted to drive the second movable mold and the second stationary mold to turn 180 °, the driving assembly comprising a Y-axis driving member, a Z-axis driving member, and a rotary driving member, the bending assembly being connected to a moving end of the Z-axis driving member and moving along the Z-axis by the driving of the Z-axis driving member, the Z-axis driving member being connected to a power end of the rotary driving member and rotating along a central axis of rotation by the driving of the rotary driving member, the rotary driving member being connected to a moving end of the Y-axis driving member and moving along the Y-axis by the driving of the Y-axis driving member.

4. The bending apparatus according to claim 1, wherein a first guide die is provided on a side of the first movable die, the first guide die being adapted to guide a workpiece to be inserted between the first fixed die and the first movable die.

5. The bending apparatus according to claim 4, wherein a movable guide plate is provided on the first guide die, the movable guide plate moving along with the extension of the workpiece when the workpiece is rotated from the clamping position to the bending position.

6. The bending apparatus as claimed in claim 1, wherein the bending actuator includes a rotary base and a motor, the motor is drivingly connected to the rotary base to rotate the rotary base, and the rotary base is connected to the open-close die actuator through a support to rotate the first movable die.

7. The bending device of claim 1, wherein the conveyor assembly further comprises a transition clamping mechanism adapted to receive a workpiece to await removal of the workpiece by the clamp and a positioning mechanism adapted to position the clamp in a position to clamp the workpiece.

8. The bending apparatus according to claim 1, wherein the clamping apparatus comprises a fixing plate, a first clamping plate, a second clamping plate, a supporting plate, a first air cylinder and a second air cylinder, the first clamping plate is fixed on the fixing plate, the second clamping plate is movably disposed on the fixing plate, the first air cylinder is connected to the second clamping plate to drive the second clamping plate to move so as to cooperate with the first clamping plate to clamp the workpiece along the Y-axis direction, and the supporting plate is disposed between the first clamping plate and the second clamping plate so as to cooperate with the second air cylinder to clamp the workpiece along the Z-axis direction.