CN114570806A - Arc bending device and method for pressing arcs of aluminum type materials with different thicknesses - Google Patents

Arc bending device and method for pressing arcs of aluminum type materials with different thicknesses Download PDF

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Publication number
CN114570806A
CN114570806A CN202210220698.2A CN202210220698A CN114570806A CN 114570806 A CN114570806 A CN 114570806A CN 202210220698 A CN202210220698 A CN 202210220698A CN 114570806 A CN114570806 A CN 114570806A
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arc
block
aluminum product
bending
aluminum
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CN114570806B (en
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王超
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Guangdong Testa Metal Technology Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00—Bending rods, profiles, or tubes
    • B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00—Bending rods, profiles, or tubes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

The invention relates to the technical field of aluminum product arc bending, and discloses an arc bending device for pressing arcs of aluminum type materials with different thicknesses. Through the removal along with pressing the arc axle, if the bending rate of the curved aluminum product of needs is when big, press the removal displacement of arc axle this moment and strengthen, thereby make the inside negative pressure increase of cavity, and then cause the guide block to continue downstream, thereby to the pressure increase of aluminum product, also continue the increase to the clamping-force of aluminum product, the big dynamics of centre gripping of bending rate is also bigger when thickness is the same simultaneously, the bending rate is the same, when thickness is thicker, the centre gripping dynamics is also bigger, thereby reach the arc bending of the pressure arc of different thickness aluminum products when automatic, prevent the skew, cause machining error's effect.

Description

Arc bending device and method for pressing arcs of aluminum type materials with different thicknesses
Technical Field
The invention relates to the technical field of aluminum product arc bending, in particular to an arc bending device and method for pressing arcs of aluminum type materials with different thicknesses.
Background
Along with modern extensive to the application of aluminum product to also inequality to the processing of aluminum product has the aluminum product to polish, cut, press the arc etc. wherein press the arc to be the comparatively common one in the aluminum product course of working, through pressing the arc camber to the aluminum product, thereby adapt to all kinds of processing topography.
When modern is pressed the arc to the aluminum product material, because of the thickness difference of different aluminum products, add man-hour to different aluminum products, need adjust the curved arc device height, thereby aluminum product thickness, prevent at the pressure arc in-process, angular deviation appears, cause the pressure arc not on same water flat line, but when processing needs to be changed the aluminum product, need adjust once more, and is comparatively troublesome, delay the machining precision simultaneously, even when automatic when adjusting thickness, when the power way of general centre gripping all is the same, can not be according to the processing progress, or crooked radian is adjusted in the processing, thereby cause the centre gripping in-process, all kinds of unexpected circumstances appear, cause the processing unqualified.
Therefore, the demand on high-reliability products is urgent, and the arc bending device and the method for pressing the arcs of the aluminum type materials with different thicknesses are provided, so that the arc pressing and bending device and the arc pressing and bending method have the advantages that the arc pressing and bending of the aluminum materials with different thicknesses are automatic, the deviation is prevented, the machining error is avoided, meanwhile, the force is automatically dispersed on the aluminum plate with uneven bending stress when the arc pressing and bending of the aluminum material are carried out, the stress on the thin plate inside the aluminum material is reduced, and the bending effect is achieved.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the arc bending device and the method for pressing the arc of the aluminum profile materials with different thicknesses, which have the advantages of automatically pressing the arc and bending the aluminum profile materials with different thicknesses, preventing the deviation from occurring and causing processing errors, automatically dispersing the force of the aluminum profile plate with uneven bending stress when the arc and the arc are pressed on the aluminum profile material, reducing the stress of the thin plate in the aluminum profile material, thereby having the bending advantage, and solving the problems that when the aluminum profile material needs to be changed during processing, the adjustment needs to be carried out again, the processing precision is troublesome, and even when the thickness is automatically adjusted, the force of the clamping is generally the same, the adjustment cannot be carried out according to the processing progress or the bent radian during processing, so that various accidents occur in the clamping process and the processing is unqualified.
(II) technical scheme
In order to realize the automatic arc pressing and arc bending of aluminum materials with different thicknesses, prevent deviation and cause processing errors, and simultaneously automatically disperse the force of aluminum plates with uneven bending stress during the arc pressing and arc bending of the aluminum materials, and reduce the stress of thin plates in the aluminum materials so as to achieve the aim of bending, the invention provides the following technical scheme: the arc bending device for pressing arcs on aluminum type materials with different thicknesses comprises a base, wherein a guide frame is fixedly connected to the top of the base, an air cylinder is movably connected to the bottom of the guide frame and located at the top of the base, an arc pressing shaft is fixedly connected to one side, away from the guide frame, of the air cylinder, and a limiting shaft is movably connected to the top of the base and located at one side, away from the air cylinder, of the arc pressing shaft.
Further, the base is internally provided with a supporting block, the left side and the right side of the supporting block are fixedly connected with fixing rods, one side of each fixing rod far away from the supporting block is fixedly connected with a sealing plate, an air guide pipe is arranged inside each fixing rod, and the outer surface of each sealing plate is located inside the base and provided with a cavity.
Further, press the inside contact shaft that is included of arc axle, contact shaft top swing joint has the grip block, the negative pressure storehouse has been seted up to the grip block inside, grip block top fixedly connected with guide block.
Further, the inside kicking block that is included of contact shaft, the kicking block is close to contact shaft axle center department fixedly connected with connecting block, one side swing joint that the kicking block was kept away from to the connecting block has the guide bar, one side swing joint that the kicking block was kept away from to the connecting block has the movable rod, one side swing joint that the connecting block was kept away from to the movable rod has the gyro wheel, one side swing joint that the movable rod was kept away from to the gyro wheel has sealed soft wall, one side fixedly connected with connecting tube of connecting block is kept away from to the guide bar.
Furthermore, two limiting shafts are arranged and form a triangle with the arc pressing shaft, and the rolling shafts in the limiting shafts are as high as the contact shafts.
Furthermore, a through hole is formed in the supporting block and communicated with the inside of the air duct, and a channel is formed in the sealing plate, so that the inside of the air duct is communicated with the cavity of the sealing plate on one side, away from the fixing rod, of the sealing plate.
Furthermore, the jacking blocks are forty and evenly distributed on the outer surface of the contact shaft, a channel is formed in the contact shaft, the channel in the contact shaft is communicated with the negative pressure bin and the channel in the supporting block, and the connecting pipeline is communicated with the channel in the contact shaft.
Furthermore, the top of the supporting block is movably connected with the bottom of the contact shaft, a notch is formed in the top of the guide frame, and the top of the guide block is located inside the notch.
The arc bending device for pressing arc on aluminum type materials with different thicknesses as claimed in claim, wherein the arc bending method for pressing arc on aluminum type materials with different thicknesses comprises the following specific steps:
s1, when the aluminum product bending machine starts to work, one end of an aluminum product to be bent is placed between the limiting shaft and the arc pressing shaft, the aluminum product is adjusted along with the position of steel, the driving cylinder moves towards the direction close to the arc pressing shaft, the arc pressing shaft is pushed by the supporting block to move towards the direction far away from the cylinder, the aluminum product is bent by the arc pressing shaft, and meanwhile, along with the movement of the arc pressing shaft, the supporting block moves, and the fixing rod drives the sealing plate to move along with the supporting block;
s2, due to the movement of the sealing plate, the internal volume of the cavity is gradually increased, the internal pressure of the cavity is increased, so that the cavity has a suction force to the outside, and only the air guide tube is communicated with the inside of the cavity, so that the suction force to the outside from the cavity is conveyed through the air guide tube and passes through a channel inside the contact shaft to reach the inside of the negative pressure bin, so that the air inside the negative pressure bin is absorbed, and along with the reduction of the air inside the negative pressure bin, the pressure inside the negative pressure bin is reduced, so that the guide block moves downwards, the thickness of the aluminum product is automatically adapted, and the aluminum product can be clamped when any thickness is reached;
s3, along with the removal of pressing the arc axle, when the bending rate of the aluminum product of if needs bending is beaten, press the removal displacement of arc axle this moment and strengthen, thereby make the inside negative pressure increase of cavity, and then cause the guide piece to continue the downstream, thereby to the pressure increase of aluminum product, thereby when the bending rate increases, also continue to increase to the clamping-force of aluminum product, the bending rate is big more the dynamics of centre gripping also bigger when thickness is the same simultaneously, when the bending rate is the same, when thickness is thicker, the centre gripping dynamics is also big more, thereby reach the pressure arc camber of different thickness aluminum products when automatic, prevent the skew, cause machining error' S effect.
S4, when negative pressure is generated in the cavity, the connecting pipeline is connected with the inner channel of the contact shaft, so that the negative pressure is generated in the sealing soft wall through transmission of the connecting pipeline, the width of the sealing soft wall is narrowed, the connecting part of the roller and the connecting block rotates at the moment and rotates towards the direction of the guide rod, and the connecting block and the ejector block move towards one side far away from the guide rod, so that the ejector block is driven to move together;
s5, sometimes the shape is different because of the aluminum product, thereby there is the sheet metal with the one side of pressing the arc axle to laminate mutually, or the notch has been seted up at the middle part, only during the limit wall atress, this moment in bending process, if the angle is not to the time, or when the atress is inhomogeneous, crooked deflection appears easily in the bending process, consequently when carrying out crooked atress, the inside recess bottom of aluminum product is hugged closely to the kicking block this moment, thereby reduce the limit wall atress, prevent that the limit wall is too thin, the atress takes place to deflect easily, thereby reach and carry out the power way dispersion to crooked inhomogeneous aluminum product board of atress voluntarily when the curved arc of aluminum product pressure, reduce the inside sheet metal atress of aluminum product, thereby take place crooked effect.
(III) advantageous effects
Compared with the prior art, the invention provides the arc bending device and the method for pressing the arcs of the aluminum type materials with different thicknesses, and the device and the method have the following beneficial effects:
1. this carry out curved arc device and method of pressing arc to aluminium type material of different thickness, through the removal along with pressing the arc axle, if the bending rate of the curved aluminum product of needs is big when, the removal displacement of pressing the arc axle increases this moment, thereby make the inside negative pressure of cavity increase, and then cause the guide block to continue the downstream, thereby to the pressure increase of aluminum product, thereby when the bending rate increases, also continue the increase to the clamping-force of aluminum product, the bending rate is big more when the thickness is the same simultaneously, the dynamics of centre gripping is also bigger more, when the bending rate is the same, when the thickness is thicker, the centre gripping dynamics is also big more, thereby reach the curved arc of pressing arc of different thickness aluminum products when automatic, prevent the skew, cause machining error's effect.
2. This carry out curved arc device and method of pressing arc to the aluminium type material of different thickness, through in bending process, if the angle is not to the time, perhaps when the atress is inhomogeneous, crooked deflection appears easily in the bending process, consequently when carrying out crooked atress, the inside recess bottom of aluminum product is hugged closely to the kicking block this moment, thereby reduce the boundary wall atress, prevent that the boundary wall is too thin, the atress deflects easily, thereby reach and carry out the power way dispersion to the inhomogeneous aluminium material board of crooked atress automatically when the aluminium product is pressed arc and is bent, reduce the inside sheet metal atress of aluminum product, thereby take place crooked effect.
Drawings
FIG. 1 is a three-dimensional view of a base structure of the present invention;
FIG. 2 is a right side view of the leading truck configuration of the present invention;
FIG. 3 is a front view of the cylinder construction of the present invention;
FIG. 4 is a view of the structural components of the arc pressing shaft of the present invention;
FIG. 5 is a partial schematic view of a top block configuration according to the present invention;
FIG. 6 is a partial schematic view of a support block structure according to the present invention;
FIG. 7 is a partial schematic view of a clamping block structure according to the present invention;
fig. 8 is a partial enlarged view of the structure of fig. 7 at a.
In the figure: 1. a base; 11. a support block; 12. fixing the rod; 13. a sealing plate; 14. an air duct; 15. a cavity; 2. a guide frame; 3. a cylinder; 4. pressing an arc shaft; 41. a contact shaft; 411. a top block; 412. connecting blocks; 413. a guide bar; 414. a movable rod; 415. a roller; 416. sealing the soft wall; 417. connecting a pipeline; 42. a clamping block; 43. a negative pressure bin; 44. a guide block; 5. and a limiting shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-8, an arc bending device for performing arc pressing on aluminum-type materials with different thicknesses includes a base 1, the base 1 includes a supporting block 11, fixing rods 12 are fixedly connected to the left and right sides of the supporting block 11, a sealing plate 13 is fixedly connected to one side of the fixing rod 12 away from the supporting block 11, an air duct 14 is disposed inside the fixing rod 12, a cavity 15 is disposed on the outer surface of the sealing plate 13 and located inside the base 1, a through hole is disposed inside the supporting block 11 and communicated with the inside of the air duct 14, and a channel is disposed inside the sealing plate 13 to enable the inside of the air duct 14 to be communicated with the cavity 15 of the sealing plate 13 away from one side of the fixing rod 12.
Referring to fig. 7, a guide frame 2 is fixedly connected to the top of a base 1, a cylinder 3 is movably connected to the bottom of the guide frame 2 and located at the top of the base 1, a press arc shaft 4 is fixedly connected to one side, away from the guide frame 2, of the cylinder 3, a contact shaft 41 is arranged inside the press arc shaft 4, a clamping block 42 is movably connected to the top of the contact shaft 41, a negative pressure bin 43 is arranged inside the clamping block 42, a guide block 44 is fixedly connected to the top of the clamping block 42, two limiting shafts 5 are arranged and form a triangle with the press arc shaft 4, and the rolling shafts inside the limiting shafts 5 are as high as the contact shaft 41.
Referring to fig. 8, a top block 411 is included inside the contact shaft 41, a connection block 412 is fixedly connected to the top block 411 near the axis of the contact shaft 41, a guide rod 413 is movably connected to one side of the connection block 412 far away from the top block 411, a movable rod 414 is movably connected to one side of the connection block 412 far away from the top block 411, a roller 415 is movably connected to one side of the movable rod 414 far away from the connection block 412, a sealing soft wall 416 is movably connected to one side of the roller 415 far away from the movable rod 414, and a connection pipeline 417 is fixedly connected to one side of the guide rod 413 far away from the connection block 412.
Referring to fig. 6 and 7, the arc pressing shaft 4 is far away from the cylinder 3 and is located on the top of the base 1, the limiting shaft 5 is movably connected, the top blocks 411 are forty and are evenly distributed on the outer surface of the contact shaft 41, a channel is formed inside the contact shaft 41, the channel in the contact shaft 41 is communicated with the negative pressure bin 43 and the channel in the supporting block 11, the connecting pipeline 417 is communicated with the channel in the contact shaft 41, the top of the supporting block 11 is movably connected with the bottom of the contact shaft 41, a notch is formed in the top of the guide frame 2, and the top of the guide block 44 is located inside the notch.
The arc bending device for pressing the arcs of the aluminum type materials with different thicknesses comprises the following specific steps:
s1, when the aluminum product bending device starts working, one end of the aluminum product to be bent is placed between the limiting shaft 5 and the arc pressing shaft 4, the aluminum product bending device is adjusted along with the position of the steel product, the driving cylinder 3 is moved towards the direction close to the arc pressing shaft 4, the arc pressing shaft 4 is pushed to move towards the direction far away from the cylinder 3 through the supporting block 11, the aluminum product is bent by the arc pressing shaft 4, and meanwhile, along with the movement of the arc pressing shaft 4, the aluminum product is moved along with the movement of the supporting block 11, so that the sealing plate 13 is driven to move along with the movement of the supporting block 11 through the fixing rod 12;
s2, due to the movement of the sealing plate 13, the internal volume of the cavity 15 is gradually increased, the internal pressure of the cavity 15 is increased, so that a suction force exists outside the cavity 15, only the air guide tube 14 is communicated with the inside of the cavity 15, the suction force outside the cavity 15 is conveyed through the air guide tube 14 and passes through a channel inside the contact shaft 41 to reach the inside of the negative pressure bin 43, so that the air inside the negative pressure bin 43 is absorbed, the pressure inside the negative pressure bin 43 is reduced along with the reduction of the air inside the negative pressure bin 43, and the guide block 44 moves downwards, so that the thickness of the aluminum material is automatically adapted, and the aluminum material can be clamped at any thickness;
s3, along with the removal of pressure arc axle 4, if the bending rate of the curved aluminum product of needs is beaten, the displacement of pressure arc axle 4 increases this moment, thereby make the inside negative pressure of cavity 15 increase, and then cause guide block 44 to continue to move down, thereby to the pressure increase of aluminum product, thereby when the bending rate increases, also continue to increase to the clamping force of aluminum product, the great dynamics of centre gripping of bending rate is also bigger when thickness is the same simultaneously, when the bending rate is the same, when thickness is thicker, the centre gripping dynamics is also bigger, thereby reach the arc bending arc of the pressure of different thickness aluminum products in the automatic time, prevent the skew, cause machining error' S effect.
S4, when negative pressure is generated in the cavity 15, the connection pipe 417 is connected to the inner channel of the contact shaft 41, so that negative pressure is generated in the soft sealing wall 416 through the transmission of the connection pipe 417, the width of the soft sealing wall 416 is narrowed, at this time, the connection point between the roller 415 and the connection block 412 rotates and rotates in the direction of the guide rod 413, and the connection block 412 and the top block 411 move to the side away from the guide rod 413, so as to drive the top block 411 to move together;
s5, sometimes the shape is different because of the aluminum product, thereby there is the sheet metal with the one side of pressing the arc axle 4 to laminate mutually, or the notch has been seted up at the middle part, only during the limit wall atress, this moment in bending process, if the angle is not to the time, or when the atress is inhomogeneous, crooked deflection appears easily in the bending process, consequently when carrying out crooked atress, the inside recess bottom of aluminum product is hugged closely to kicking block 411 this moment, thereby reduce the limit wall atress, prevent that the limit wall is too thin, the atress takes place to deflect easily, thereby reach and carry out the power way dispersion to crooked inhomogeneous aluminum product board of atress voluntarily when the aluminum product presses the arc camber, reduce the inside sheet metal atress of aluminum product, thereby take place crooked effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. Carry out the curved arc device of pressing arc to the aluminium type material of different thickness, including base (1), its characterized in that: the base (1) top fixedly connected with leading truck (2), leading truck (2) bottom just is located base (1) top swing joint and has cylinder (3), one side fixed connection that leading truck (2) were kept away from in cylinder (3) has last cambered axle (4), it keeps away from cylinder (3) one side and is located base (1) top swing joint and has spacing axle (5) to press cambered axle (4).
2. The apparatus of claim 1, wherein: the base (1) is inside including supporting shoe (11), the equal fixedly connected with dead lever (12) of supporting shoe (11) left and right sides, one side fixedly connected with closing plate (13) of supporting shoe (11) are kept away from in dead lever (12), air duct (14) have been seted up to dead lever (12) inside, cavity (15) have been seted up to closing plate (13) surface and be located base (1) inside.
3. The apparatus of claim 1, wherein: the arc pressing shaft (4) is internally provided with a contact shaft (41), the top of the contact shaft (41) is movably connected with a clamping block (42), a negative pressure bin (43) is arranged inside the clamping block (42), and the top of the clamping block (42) is fixedly connected with a guide block (44).
4. The apparatus of claim 3, wherein: contact shaft (41) is inside including kicking block (411), kicking block (411) are close to contact shaft (41) axle center department fixedly connected with connecting block (412), one side swing joint that kicking block (411) were kept away from in connecting block (412) has guide bar (413), one side swing joint that kicking block (411) were kept away from in connecting block (412) has movable rod (414), one side swing joint that connecting block (412) were kept away from in movable rod (414) has gyro wheel (415), one side swing joint that movable rod (414) were kept away from in gyro wheel (415) has sealed soft wall (416), one side fixedly connected with connecting tube (417) of connecting block (412) are kept away from in guide bar (413).
5. The apparatus of claim 3, wherein: the number of the limiting shafts (5) is two, the two limiting shafts and the arc pressing shaft (4) form a triangle, and the rolling shafts in the limiting shafts (5) are as high as the contact shafts (41).
6. The apparatus of claim 2, wherein: the supporting block (11) is internally provided with a through hole which is communicated with the inside of the air duct (14), and the sealing plate (13) is internally provided with a channel so that the inside of the air duct (14) is communicated with the cavity (15) of the sealing plate (13) far away from one side of the fixing rod (12).
7. The apparatus of claim 4, wherein: forty are said kicking blocks (411), evenly distributed on the outer surface of contact shaft (41), the inside of contact shaft (41) has been seted up the passageway, passageway intercommunication negative pressure storehouse (43) and supporting shoe (11) interior passageway in contact shaft (41), connecting tube (417) and contact shaft (41) interior passageway are linked together.
8. The apparatus of claim 3, wherein: the top of the supporting block (11) is movably connected with the bottom of the contact shaft (41), a notch is formed in the top of the guide frame (2), and the top of the guide block (44) is located inside the notch.
9. The arc bending device for pressing and arcing aluminum type materials with different thicknesses as claimed in claim 1, wherein the arc bending method for pressing and arcing aluminum type materials with different thicknesses comprises the following specific steps:
s1, when the aluminum product bending machine starts working, one end of an aluminum product to be bent is placed between a limiting shaft (5) and an arc pressing shaft (4), the aluminum product bending machine is adjusted along with the position of steel products, so that a driving cylinder (3) moves towards the direction close to the arc pressing shaft (4), so that the arc pressing shaft (4) is pushed to move towards the direction far away from the cylinder (3) through a supporting block (11), the aluminum product is bent by the arc pressing shaft (4), meanwhile, the aluminum product bending machine moves along with the arc pressing shaft (4), and the aluminum product bending machine moves along with the supporting block (11), so that a sealing plate (13) is driven by a fixing rod (12) to move along with the supporting block (11);
s2, due to the movement of the sealing plate (13), the internal volume of the cavity (15) is gradually increased, the internal pressure of the cavity (15) is increased, so that the cavity (15) has a suction force to the outside, only the air guide pipe (14) is communicated with the inside of the cavity (15), and the suction force to the outside from the cavity (15) is conveyed through the air guide pipe (14) and passes through a channel inside the contact shaft (41) to reach the inside of the negative pressure bin (43), so that the air inside the negative pressure bin (43) is absorbed, and along with the reduction of the air inside the negative pressure bin (43), the internal pressure of the negative pressure bin (43) is reduced, so that the guide block (44) moves downwards, the thickness of the aluminum material is automatically adapted, and the clamping can be carried out at any thickness;
s3, along with the removal of pressure arc axle (4), if the bending rate of the aluminum product of needs bending beats the time, the removal displacement of pressure arc axle (4) increases this moment, thereby make the inside negative pressure increase of cavity (15), and then cause guide block (44) to continue the downstream, thereby to the pressure increase of aluminum product, thereby when the bending rate increases, also continue the increase to the clamping-force of aluminum product, the bending rate is bigger the dynamics of centre gripping also bigger when thickness is the same simultaneously, the bending rate is the same, when thickness is thicker, the centre gripping dynamics is also bigger, thereby reach the pressure arc camber of different thickness aluminum products when automatic, prevent the skew, cause machining error' S effect.
S4, when negative pressure is generated in the cavity (15), the connecting pipeline (417) is connected with the inner channel of the contact shaft (41), so that the negative pressure is generated in the sealing soft wall (416) through the transmission of the connecting pipeline (417), the width of the sealing soft wall (416) is narrowed, the connecting part of the roller (415) and the connecting block (412) rotates at the moment, the roller rotates towards the direction of the guide rod (413), and the connecting block (412) and the top block (411) move towards one side far away from the guide rod (413), so that the top block (411) is driven to move together;
s5, the shape is different sometimes because of the aluminum product, thereby there is the sheet metal with the one side of pressing arc axle (4) laminating mutually, or the notch has been seted up at the middle part, only during the limit wall atress, this moment in bending process, if the angle is not to the time, or when the atress is inhomogeneous, crooked deflection appears easily in the bending process, consequently when carrying out crooked atress, the inside recess bottom of aluminum product is hugged closely to kicking block (411) this moment, thereby reduce the limit wall atress, prevent that the limit wall is too thin, the atress takes place to deflect easily, thereby reach and carry out the power way dispersion to crooked inhomogeneous aluminum product board of atress automatically when the arc is pressed to the aluminum product, reduce the inside sheet metal atress of aluminum product, thereby take place crooked effect.
CN202210220698.2A 2022-03-08 2022-03-08 Arc bending device and method for pressing arcs on aluminum profiles with different thicknesses Active CN114570806B (en)

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CN111360181A (en) * 2020-04-21 2020-07-03 台州椒江锐江电脑有限公司 Waste computer CPU metal pin recovery device
CN211966698U (en) * 2020-03-20 2020-11-20 新昌县善力机械科技有限公司 Clamping device for machining convenient to press different radian curved surfaces
CN212578078U (en) * 2020-07-14 2021-02-23 深圳市鑫精达精密科技有限公司 Clamping device for numerical control machining of metal workpiece
CN215033054U (en) * 2021-04-27 2021-12-07 安徽兆邦科技发展有限公司 Arc bending device of aluminum profile
CN215469604U (en) * 2021-04-13 2022-01-11 浙江孚乐斯汽车科技有限公司 Machining equipment for corrosion-resistant and wear-resistant cylinder barrel
CN114043008A (en) * 2021-11-23 2022-02-15 赵健 Aluminum profile cutting machine

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CN109318009A (en) * 2018-10-10 2019-02-12 东莞长盈精密技术有限公司 Self-locking clamping apparatus
CN210059434U (en) * 2019-04-26 2020-02-14 青岛维净环保科技有限公司 Pipe bending chuck of pipe bender
CN211966698U (en) * 2020-03-20 2020-11-20 新昌县善力机械科技有限公司 Clamping device for machining convenient to press different radian curved surfaces
CN111360181A (en) * 2020-04-21 2020-07-03 台州椒江锐江电脑有限公司 Waste computer CPU metal pin recovery device
CN212578078U (en) * 2020-07-14 2021-02-23 深圳市鑫精达精密科技有限公司 Clamping device for numerical control machining of metal workpiece
CN215469604U (en) * 2021-04-13 2022-01-11 浙江孚乐斯汽车科技有限公司 Machining equipment for corrosion-resistant and wear-resistant cylinder barrel
CN215033054U (en) * 2021-04-27 2021-12-07 安徽兆邦科技发展有限公司 Arc bending device of aluminum profile
CN114043008A (en) * 2021-11-23 2022-02-15 赵健 Aluminum profile cutting machine

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