CN115283488B

CN115283488B - Angle-adjustable rapid edge pressing forming device and forming method for sheet metal part

Info

Publication number: CN115283488B
Application number: CN202211169957.XA
Authority: CN
Inventors: 姚烽林; 郑少辉
Original assignee: Shantou Wanshengxing Intelligent Technology Co ltd
Current assignee: Shantou Wanshengxing Intelligent Technology Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2022-12-13
Anticipated expiration: 2042-09-26
Also published as: CN115283488A

Abstract

The invention relates to a sheet metal part angle-adjustable rapid blank pressing forming device and a forming method, wherein the forming device comprises: a frame structure; the supporting mechanism comprises a parallel plate and an adjusting component, the adjusting component penetrates through the parallel plate and is connected with two turnover plates rotatably arranged on the parallel plate, and the adjusting component can change an included angle between the two turnover plates; the adjusting folded plates are symmetrically arranged on two sides of the parallel plate and are in sliding fit with the side walls of the parallel plate, and the adjusting folded plates can enable the sheet metal part arranged between the two folded plates to tend to be regular in the length direction of the parallel plate; the switching mechanism installs structurally at the support body to connect the adjusting part, the switching mechanism includes the guide and sets up a plurality of radial movement subassemblies on the guide, the sub-unit connection of radial movement subassembly has the die head, and radial movement subassembly and the structural switching-over plate roll cooperation of fixed mounting at the support body, has realized can carrying out the die head according to the selection and has switched, reduces because the time waste that the change mould caused.

Description

Angle-adjustable rapid edge pressing forming device and forming method for sheet metal part

Technical Field

The invention relates to the field of sheet metal part production and machining, in particular to a sheet metal part angle-adjustable quick blank pressing forming device and a sheet metal part angle-adjustable quick blank pressing forming method.

Background

The sheet metal part is a product processed by a sheet metal process, and is manufactured by filament power supply winding, laser cutting, heavy processing, metal bonding, metal drawing, plasma cutting, precision welding, roll forming, sheet metal bending forming, die forging and water jet cutting.

The operation flow of the bending and forming of the metal plate comprises the following steps: firstly, cutting a metal plate, then bending by adopting a stamping die, wherein the bending angle of the standard part can be roughly divided into: 90 degrees, 88 degrees, 60 degrees, 45 degrees, 30 degrees, when bending to nonstandard spare, need the mould of customization, no matter be standard spare or nonstandard spare, when carrying out the operation of bending of different angles, need change the mould, stamping equipment is forced to shut down, has reduced the efficiency of production.

Disclosure of Invention

The invention aims to provide a sheet metal part angle-adjustable rapid blank pressing forming device and a sheet metal part angle-adjustable rapid blank pressing forming method, which aim to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a quick blank pressing forming device of sheet metal component angularly adjustable, includes: a frame structure; the support mechanism is arranged on the frame body structure and used for supporting the sheet metal part, the support mechanism comprises a parallel plate and an adjusting component, the adjusting component penetrates through the parallel plate and is connected with two folded plates which are rotatably arranged on the parallel plate, and the adjusting component can change an included angle between the two folded plates; the adjusting folded plates are symmetrically arranged on two sides of the parallel plate and are in sliding fit with the side walls of the parallel plate, and the adjusting folded plates can enable the length direction of the sheet metal part arranged between the two folding plates to be regular; the switching mechanism is mounted on the frame body structure and connected with the adjusting assembly, the switching mechanism comprises a guide piece and a plurality of radial moving assemblies arranged on the guide piece, the lower parts of the radial moving assemblies are connected with die heads matched with the two turnover plates, and the radial moving assemblies are in rolling fit with reversing plates fixedly mounted on the frame body structure; when the guide piece rotates, the die head corresponding to the included angle of the two turnover plates can rotate to the position right below the guide piece.

As a further scheme of the invention: parallel plate includes that detachable installs structural bottom plate of support body and with bottom plate parallel arrangement's lifter plate, it is the diagonal angle on the bottom plate and is provided with a plurality of fixed sleeves, slide the cover in the fixed sleeve be equipped with the telescopic link that the lifter plate is connected, just install a spring in the fixed sleeve, the one end of a spring with fixed sleeve's interior wall connection, the other end with the telescopic link is kept away from the one end of lifter plate is connected.

As a still further scheme of the invention: the adjusting assembly comprises a bidirectional screw rod arranged along the width direction of the lifting plate, two threaded sleeves in threaded connection with the bidirectional screw rod are symmetrically arranged on the bidirectional screw rod, two first connecting rods are symmetrically and rotatably mounted on each threaded sleeve, and one ends of the two first connecting rods, far away from the threaded sleeves, are respectively and rotatably connected with first sliding blocks symmetrically arranged on the lifting plate; the first sliding block is connected with the turnover plate through a second connecting rod, one end of the second connecting rod is rotatably connected with the turnover plate, and the other end of the second connecting rod is rotatably connected with the first sliding block.

As a still further scheme of the invention: the radial moving assembly comprises a sliding groove arranged on the guide piece, the sliding groove is of a cross structure, a second sliding block is arranged in the sliding groove in a sliding mode, an elastic structure is arranged between the second sliding block and the guide piece, and the second sliding block is fixedly connected with the die head; the elastic structure comprises a transverse rod fixedly installed in the sliding groove and a second spring sleeved on the transverse rod, the transverse rod is connected with the second sliding block in a sliding mode, one end of the second spring is connected with the side wall of the sliding groove, and the other end of the second spring is connected with the second sliding block.

As a still further scheme of the invention: the reversing plate is arranged in a disc shape, a through hole is formed in the circle center of the reversing plate, and a rotating shaft of the guide piece penetrates through the through hole and is connected with the frame body structure; the reversing plate is further provided with a notch, and the notch is matched with a pulley which is rotatably arranged on the second sliding block, so that the die head can move to the position right below the rotating shaft of the guide piece.

As a still further scheme of the invention: the frame body structure is further provided with a transmission rod, two sliding sleeves are sleeved on the transmission rod, one of the sliding sleeves is rotatably provided with a connecting plate, the connecting plate is connected with a rotating shaft of the guide piece and is fixedly connected with the reversing plate, and the sliding sleeve is further connected with the rotating shaft of the guide piece through a belt; the other sliding sleeve is connected with the bidirectional screw rod through a connecting frame, and a bevel gear set is arranged between the bidirectional screw rod and the sliding sleeve.

As a still further scheme of the invention: the circumference outer wall of transfer line is gone up the symmetry and is provided with two stoppers, the stopper with set up two spacing groove sliding fit on the sliding sleeve inner wall.

A method for forming a sheet metal part by using the sheet metal part angle-adjustable quick blank pressing forming device comprises the following steps:

the method comprises the following steps: placing a strip-shaped metal workpiece to be metal-stamped between the two turnover plates;

step two: controlling the adjusting assembly to act to drive the two turnover plates to rotate, and enabling an included angle between the two turnover plates to be an angle of the workpiece to be bent and formed;

step three: when the adjusting component acts, the guide piece connected with the adjusting component is driven to rotate, and when a die head required on the guide piece moves to the position right below the guide piece, the guide piece is driven to move downwards by controlling the frame body structure;

step four: when the die head is abutted against the strip-shaped metal workpiece, the strip-shaped metal workpiece and the parallel plate are driven to move, and the strip-shaped metal workpiece corresponds to the length direction of the parallel plate under the action of the adjusting folded plate;

step five: the die head continues to descend and interacts with the two turnover plates to perform bending forming operation on the strip-shaped metal workpiece.

Compared with the prior art, the invention has the beneficial effects that: through the adjusting assembly and the switching mechanism which are arranged in a linkage manner, the die head can be switched according to actual production needs, and the angle between the two turnover plates is adjusted, so that the die head is matched with the two turnover plates, and therefore when workpieces at different angles are bent, the die head can be automatically adjusted and switched, time waste caused by die replacement is avoided, and the production efficiency is improved to a certain extent; meanwhile, under the action of the parallel plates and the adjusting folded plates, the metal workpieces can be automatically regulated, and compared with the prior art, the invention effectively avoids the problem that a certain included angle exists between the metal workpieces to be bent and formed and the lifting plate due to the error of manual placement, so that the bent parts on the bent and formed metal workpieces are not vertical to the side edges of the bent and formed metal workpieces after bending and forming, thereby greatly improving the bending and forming quality of the metal workpieces.

Drawings

FIG. 1 is a schematic structural view of an embodiment of an angle-adjustable quick blank holder forming device for a sheet metal part;

FIG. 2 is a schematic structural diagram of the inside of an outer shell in an embodiment of the rapid edge pressing forming device with an adjustable angle for a sheet metal part;

FIG. 3 is a schematic structural view of another angle in the outer shell in one embodiment of the rapid edge pressing forming device with the adjustable angle for the sheet metal part;

FIG. 4 is a schematic structural diagram of a switching mechanism in an embodiment of the sheet metal part angle-adjustable quick blank holder molding device;

FIG. 5 is a schematic structural view of a connection relationship between a die head and a guide member in an embodiment of the rapid edge pressing forming device with an adjustable angle of a sheet metal part;

FIG. 6 is a schematic structural diagram of a supporting mechanism in an embodiment of the sheet metal part angle-adjustable rapid blank holder molding device;

FIG. 7 is a schematic structural diagram of a parallel plate and an adjusting component in an embodiment of a sheet metal part angle-adjustable quick blank holder molding device;

FIG. 8 is a schematic structural view of the inside of a fixing sleeve in an embodiment of the angle-adjustable rapid blank holder molding device for sheet metal parts;

fig. 9 is a schematic view of a connection relationship structure of the transmission rod, the bidirectional screw rod and the guide member in an embodiment of the angle-adjustable rapid blank holder forming device for the sheet metal part.

In the figure: 1. an outer housing; 2. a base plate; 3. a lifting plate; 4. a fixed sleeve; 5. a telescopic rod; 6. a first spring; 7. a bidirectional screw rod; 8. a threaded sleeve; 9. a first connecting rod; 10. a first sliding block; 11. a second connecting rod; 12. turning the folded plate; 13. a bevel gear set; 14. a sliding sleeve; 15. a connecting frame; 16. a transmission rod; 17. a connecting plate; 18. a belt; 19. a guide member; 20. a chute; 21. a second sliding block; 22. a die head; 23. a pulley; 24. a reversing plate; 25. a cross bar; 26. a second spring; 27. a hydraulic cylinder; 28. adjusting the folded plate; 29. and (4) protruding.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements 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," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.

Referring to fig. 1 to 9, in an embodiment of the present invention, a sheet metal part angle-adjustable rapid blank pressing forming device includes: a frame structure, a support mechanism, an adjustment flap 28, and a switching mechanism.

The frame body structure comprises an outer shell 1, an operation platform detachably connected with the outer shell 1 and a hydraulic cylinder 27 arranged on the outer shell 1, and exemplarily, the outer shell 1 and the operation platform are connected by threads, so that the device is more rapid and convenient to detach; the supporting mechanism is arranged on the operation platform and used for supporting a sheet metal part, the supporting mechanism comprises a parallel plate and an adjusting component, the adjusting component penetrates through the parallel plate and is connected with two folded plates 12 which are rotatably arranged on the parallel plate, and the adjusting component can change an included angle between the two folded plates 12; the parallel plate comprises a bottom plate 2 which is detachably mounted on the operation platform, a lifting plate 3 which is parallel to the bottom plate is arranged on the bottom plate 2, specifically, an embedding groove is formed in the operation platform, an embedding block which is matched with the embedding groove is connected to the bottom plate 2 through bolts, after the embedding block enters the embedding groove, the bottom plate 2 and the operation platform can be fixed through rotating the bolts, a plurality of fixing sleeves 4 are diagonally arranged on the bottom plate 2, telescopic rods 5 which are connected with the lifting plate 3 are sleeved in the fixing sleeves 4 in a sliding mode, a first spring 6 is arranged in each fixing sleeve 4, one end of each first spring 6 is connected with the inner wall of each fixing sleeve 4, and the other end of each first spring is connected with one end, far away from the lifting plate 3, of each telescopic rod 5; the adjusting folded plates 28 are symmetrically arranged on two sides of the lifting plate 3 and are in sliding fit with the side walls of the lifting plate 3, and the adjusting folded plates 28 can enable the sheet metal parts arranged between the two turning plates 12 to tend to be regular in the length direction of the parallel sheet metal parts.

When the bending die is used, a metal workpiece to be bent and formed is placed between the two turnover plates 12, when the die head 22 moves downwards and abuts against the metal workpiece to be bent and formed, the metal workpiece to be bent and formed and the lifting plate 3 are driven to move downwards along with the continuous movement of the die head 22, the telescopic rod 5 moves towards the inside of the fixed sleeve 4 and compresses the first spring 6, the metal workpiece to be bent and formed abuts against the adjusting folding plate 28 along with the descending of the metal workpiece to be bent and formed and the lifting plate 3, the inner wall of the adjusting folding plate 28 and the lifting plate 3 are in a sliding abutting state, the upper end of the adjusting folding plate 28 is arranged close to the inner side to form an inclined plane, and the metal workpiece to be bent and formed can be automatically regulated under the action of the inclined plane after contacting the adjusting folding plate 28, namely the length direction of the metal workpiece to be bent and the length direction of the lifting plate 3 are the same while the metal workpiece to be bent and the lifting plate 3 are ensured to be bent and formed to be attached.

Through the arrangement, the bending forming process of the metal workpiece to be bent and formed can be automatically regulated, and compared with the prior art, the bending forming device effectively avoids the problem that a certain included angle exists between the metal workpiece to be bent and formed and the lifting plate 3 due to errors caused by manual placement, so that the bent part and the side edge of the formed metal workpiece are in a non-perpendicular state after the metal workpiece is bent and formed, and the bending forming quality of the metal workpiece is greatly improved.

Referring to fig. 6, 7 and 8, the adjusting assembly includes a bidirectional screw rod 7 rotatably mounted on the lifting plate 3, two threaded sleeves 8 in threaded fit with the bidirectional screw rod 7 are arranged on the bidirectional screw rod 7, two first connecting rods 9 are symmetrically and rotatably mounted on each threaded sleeve 8, one ends of the two first connecting rods 9, which are far away from the threaded sleeves 8, are respectively rotatably connected with first sliders 10 symmetrically arranged on the lifting plate 3, and the first sliders 10 are slidably mounted in horizontal grooves formed in the lifting plate 3; the first sliding block 10 is connected with the turnover plate 12 through a second connecting rod 11, one end of the second connecting rod 11 is rotatably connected with the turnover plate 12, and the other end of the second connecting rod is rotatably connected with the first sliding block 10.

When bending into the metal work piece of different angles to needs, rotatable two-way lead screw 7, make two threaded sleeves 8 that set up on two-way lead screw 7 be close to each other or keep away from the motion each other, it is concrete, when two threaded sleeves 8 keep away from the motion each other, will drive a slider 10 through a connecting rod 9 and turn over the pivot department motion of folded plate 12 towards, and under this state, a slider 10 will order about through No. two connecting rods 11 and turn over the upset of folded plate 12, at the in-process of upset, turn over the angle between board 12 and the lifter plate 3 and will increase, and because two turn over folded plate 12 simultaneous movement, make two angles between the folded plate 12 reduce.

Through the aforesaid setting, realized adjusting two angles that turn over between the folded plate 12, compare in traditional sheet metal equipment, this device is when using, when need bend into different angles with metal work, need not change the mould, thereby greatly reduced change the time waste that the mould in-process caused, and current mould most can only produce the standard component, it is at 90 °, 88 °, 60 °, 45 °, 30 to turn over the angle promptly, make when producing some nonstandard components, need carry out the mould customization, this has increased manufacturing cost undoubtedly, and this device can be adjusted two angles that turn over between the folded plate 12 as required, thereby the production of nonstandard component of realization that more relax.

Referring to fig. 4 and 5, the switching mechanism is mounted on the outer housing 1 and connected to the bidirectional screw rod 7, the switching mechanism includes a guide 19 and a plurality of radial moving assemblies disposed on the guide 19, a die head 22 adapted to the two turnover plates 12 is connected to a lower portion of the radial moving assembly, and the radial moving assemblies are in rolling fit with a reversing plate 24 fixedly mounted on the frame structure, wherein the reversing plate 24 is disposed in a disc shape, a through hole is disposed at a center of the reversing plate 24, and a rotating shaft of the guide 19 penetrates through the through hole and is rotatably connected to a telescopic end of the hydraulic cylinder 27; the radial moving assembly comprises a sliding groove 20 arranged on the guide piece 19, the sliding groove 20 is of a cross structure, a second sliding block 21 is arranged in the sliding groove 20 in a sliding mode, an elastic structure is arranged between the second sliding block 21 and the guide piece 19, the second sliding block 21 is fixedly connected with the die head 22, protrusions 29 are arranged on two sides of the second sliding block 21, and the protrusions 29 slide in guide grooves in the side wall of the sliding groove 20; the elastic structure comprises a cross rod 25 fixedly installed in the sliding groove 20 and a second spring 26 sleeved on the cross rod 25, the cross rod 25 is connected with the second sliding block 21 in a sliding mode, one end of the second spring 26 is connected with the side wall of the sliding groove 20, the other end of the second spring 26 is connected with the second sliding block 21, and in the embodiment, four cross rods 25 are arranged to prevent the second sliding block 21 from interfering with the cross rods 25 on the two sides of the second sliding block 21 when the second sliding block moves; the reversing plate 24 is further provided with a notch, and the notch is matched with the pulley 23 rotatably mounted on the second sliding block 21, so that the die head 22 can move to the position right below the rotating shaft of the guide piece 19.

When the bidirectional screw 7 is rotated to adjust the angle between the two folding plates 12, the guide 19 will rotate synchronously, and in the initial state, only one of the second slide blocks 21 on the guide 19 is located under the hydraulic cylinder 27 under the action of the pulley 23 and the notch, specifically, the gravity center of the die head 22 on the second slide block 21 is located on the extension line of the central axis of the hydraulic cylinder 27, and the included angle of the die head 22 at this time matches with the included angle between the two folding plates 12 at this time, and the angle between the two folding plates 12 will increase or decrease with the rotation of the bidirectional screw 7, at this time, the guide 19 will rotate forward or backward, and the pulley 23 located in the notch will slide to the side of the folding plate 24 along the side wall of the notch, at this time, the second slide block 21 connected with the pulley 23 will compress the second spring 26, and with the continuous rotation of the bidirectional screw 7, the pulley 23 will roll along the side wall of the folding plate 24, until another pulley 23 adjacent to the other pulley 23 moves to the position from the side wall of the notch, at this time, another slide block 22 with the increased or decreased angle moves to the position below the die head 27, and the included angle of the hydraulic cylinder 12 adapts to the state under the two folding plate 12.

It should be noted that, in the present embodiment, four die heads 22 are provided, but in the actual production process, the number of the die heads 22 is increased or decreased by replacing the guide member 19, and further, the included angles of the lower ends of the four die heads 22 are sequentially increased or decreased to match the angle between the two flap plates 12.

Through the arrangement, the die head 22 can be switched according to production requirements, time waste caused by the fact that a die needs to be replaced is reduced, when the pulley 23 is located in the notch, the second spring 26 has the tendency that the pulley 23 is tightly attached to the reversing plate 24, stability of the die head 22 in the descending process is improved to a certain extent, the selected die head 22 is located under the hydraulic cylinder 27 after selection of the die head 22 is completed, and therefore when the hydraulic cylinder 27 drives the die head 22 to descend, force of the hydraulic cylinder 27 acting on the die head 22 is balanced, the two aspects are combined, and stability of the device is greatly improved when the metal workpiece is bent and formed.

Referring to fig. 3 and 9, a transmission rod 16 is further mounted on the frame body structure, two sliding sleeves 14 are sleeved on the transmission rod 16, a connecting plate 17 is rotatably mounted on one of the sliding sleeves 14, the connecting plate 17 is connected with a rotating shaft of the guide 19, the connecting plate 17 is fixedly connected with the reversing plate 24, and the sliding sleeve 14 is further connected with the rotating shaft of the guide 19 through a belt 18; specifically, one end of a connecting plate 17 is rotatably connected with the sliding sleeve 14, the sliding sleeve 14 is slidably sleeved on the transmission rod 16, the other end of the connecting rod 17 is rotatably mounted on the action end of the hydraulic cylinder 27, meanwhile, the rotating shaft of the guide 19 is rotatably mounted on the action end of the hydraulic cylinder 27, and the reversing plate 24 is fixed on the connecting plate 17, so that when the sliding sleeve 14 rotates, the rotating shaft of the guide 19 can be driven by the belt 18 to rotate and the pulleys 23 can make circular motion, at this time, because the reversing plate 24 is in a fixed state, when one of the pulleys 23 moves to the notch on the reversing plate 24, the pulley can roll to the notch under the action of the second spring 26, and when the pulley 23 moves to the deep position of the notch, the die head 22 moves to the position right below the hydraulic cylinder 27;

the other sliding sleeve 14 is connected with the bidirectional screw rod 7 through a connecting frame 15, and a bevel gear set 13 is arranged between the bidirectional screw rod 7 and the sliding sleeve 14; two limiting blocks are symmetrically arranged on the outer circumferential wall of the transmission rod 16 and are in sliding fit with limiting grooves formed in the inner walls of the two sliding sleeves 14; the bevel gear set 13 comprises a first bevel gear rotatably mounted on the sliding sleeve 14 and a second bevel gear meshed with the first bevel gear and coaxially connected with the bidirectional screw 7.

When the bidirectional screw 7 rotates, the transmission rod 16 is driven to rotate through the bevel gear set 13, and the guide piece 19 is driven to rotate under the action of the belt 18, so that the linkage of the folded plate 12 and the guide piece 19 is realized, and the adjustment of the angle of the folded plate 12 and the selection of the die head 22 are synchronously completed.

And under the action of the sliding sleeve 14 and the transmission rod 16, the lifting of the guide piece 19 and the lifting of the bidirectional screw rod 7 following the lifting plate 3 are completed without influencing the states of the guide piece 19 and the two turnover plates 12.

As an embodiment of the present invention, a method for forming a sheet metal part by using the sheet metal part angle-adjustable rapid blank holder forming device is further provided, which includes the following steps:

the method comprises the following steps: placing a strip-shaped metal workpiece to be metal-stamped between the two turnover plates 12;

step two: controlling the action of the adjusting assembly to drive the two turnover plates 12 to rotate, and enabling an included angle between the two turnover plates 12 to be an angle to be formed by bending a workpiece;

step three: when the adjusting component acts, the guide piece 19 connected with the adjusting component is driven to rotate, and when the die head 22 required on the guide piece 19 moves to the position right below the guide piece 19, the guide piece 19 is driven to move downwards through the control frame structure;

step four: when the die head 22 abuts against the strip-shaped metal workpiece, the strip-shaped metal workpiece and the parallel plate are driven to move, and the strip-shaped metal workpiece corresponds to the length direction of the parallel plate under the action of the adjusting folded plate 28;

step five: the die 22 continues to descend and interact with the two flap plates 12 to perform the bending operation on the strip-shaped metal workpiece.

In conclusion, when the metal workpiece to be bent and formed is placed between the two folding plates 12 in use, and when the metal workpiece to be bent into different angles is bent, the bidirectional screw rod 7 is rotated, so that the two threaded sleeves 8 arranged on the bidirectional screw rod 7 move close to or away from each other, specifically, when the two threaded sleeves 8 move away from each other, the first connecting rod 9 drives the first sliding block 10 to move towards the rotating shaft of the folding plate 12, and in this state, the first sliding block 10 drives the folding plate 12 to turn over through the second connecting rod 11, in the process of turning over, the angle between the folding plate 12 and the lifting plate 3 is increased, and because the two folding plates 12 act simultaneously, the angle between the two folding plates 12 is decreased.

Through the aforesaid setting, realized adjusting two angles between the board 12 that turn over, compare in driven sheet metal equipment, this device is when using, when need bend into different angles with metal work, need not change the mould, thereby greatly reduced the time waste that causes of changing the mould in-process, and current mould can only produce the standard component mostly, it is at 90 degrees promptly to turn over the angle, 88 degrees, 60 degrees, 45 degrees, 30 degrees when making some nonstandard components of production, need carry out the mould customization, this has increased manufacturing cost undoubtedly, and this device can be adjusted two angles between the board 12 that turn over as required, thereby the production of nonstandard component is realized to more relaxed.

It should be noted that, in the present embodiment, four die heads 22 are provided, but in the actual production process, the number of the die heads 22 is increased or decreased by replacing the guide 19, and further, the included angles of the lower ends of the four die heads 22 are sequentially increased or decreased to match the angle between the two flap plates 12.

When the bending die is used, a metal workpiece to be bent and formed is placed between the two folding plates 12, when the die head 22 moves downwards and abuts against the metal workpiece to be bent and formed, the metal workpiece to be bent and formed and the lifting plate 3 are driven to move downwards along with the continuous movement of the die head 22, the telescopic rod 5 moves towards the inside of the fixing sleeve 4 and compresses the first spring 6, the metal workpiece to be bent and formed abuts against the adjusting folding plate 28 along with the descending of the metal workpiece to be bent and formed and the lifting plate 3, the inner wall of the adjusting folding plate 28 and the lifting plate 3 are in a sliding abutting state, the upper end of the adjusting folding plate 28 is arranged close to the inner side to form an inclined plane, and after the metal workpiece to be bent and formed contacts the adjusting folding plate 28, the metal workpiece to be bent and formed can be automatically regulated under the action of the inclined plane, namely the length direction of the metal workpiece to be bent and the length direction of the lifting plate 3 are the same while the metal workpiece to be bent and formed is ensured to be attached to the lifting plate 3.

Through the arrangement, the bending forming process of the metal workpiece to be bent and formed can be automatically regulated, and compared with the prior art, the bending forming device effectively avoids the situation that a certain included angle exists between the metal workpiece to be bent and the lifting plate 3 due to errors caused by manual placement, so that the bent part on the formed metal workpiece is not perpendicular to the side edge of the formed metal workpiece after bending forming, and the bending forming quality of the metal workpiece is greatly improved.

When the bidirectional screw rod 7 rotates, the drive rod 16 is driven to rotate through the bevel gear set 13, and the guide piece 19 is driven to rotate under the action of the belt 18, so that the linkage of the turnover plate 12 and the guide piece 19 is realized, and the adjustment of the angle of the turnover plate 12 and the selection of the die head 22 are synchronously completed.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a sheet metal component angularly adjustable quick blank pressing forming device which characterized in that includes: a frame structure; the support mechanism is arranged on the frame body structure and used for supporting the sheet metal part, the support mechanism comprises a parallel plate and an adjusting component, the adjusting component penetrates through the parallel plate and is connected with two turning plates (12) rotatably arranged on the parallel plate, and the adjusting component can change an included angle between the two turning plates (12); the adjusting folded plates (28) are symmetrically arranged on two sides of the parallel plate and are in sliding fit with the side walls of the parallel plate, and the adjusting folded plates (28) can enable the sheet metal part arranged between the two folding plates (12) to tend to be regular in the length direction of the parallel plate; the switching mechanism is arranged on the frame body structure and connected with the adjusting assembly, the switching mechanism comprises a guide piece (19) and a plurality of radial moving assemblies arranged on the guide piece (19), the lower parts of the radial moving assemblies are connected with die heads (22) matched with the two turnover plates (12), and the radial moving assemblies are in rolling fit with reversing plates (24) fixedly arranged on the frame body structure; when the guide piece (19) rotates, the die head (22) corresponding to the included angle of the two turnover plates (12) can rotate to be right below the guide piece (19); the radial moving assembly comprises a sliding groove (20) arranged on the guide piece (19), the sliding groove (20) is of a crisscross structure, a second sliding block (21) is arranged in the sliding groove (20) in a sliding mode, an elastic structure is arranged between the second sliding block (21) and the guide piece (19), and the second sliding block (21) is fixedly connected with the die head (22); the elastic structure comprises a cross rod (25) fixedly installed in the sliding groove (20) and a second spring (26) sleeved on the cross rod (25), the cross rod (25) is connected with the second sliding block (21) in a sliding mode, one end of the second spring (26) is connected with the side wall of the sliding groove (20), and the other end of the second spring is connected with the second sliding block (21); the reversing plate (24) is arranged in a disc shape, a through hole is formed in the circle center of the reversing plate (24), and a rotating shaft of the guide piece (19) penetrates through the through hole and is connected with the frame body structure; the reversing plate (24) is further provided with a notch, and the notch is matched with a pulley (23) rotatably mounted on the second sliding block (21) and can enable the die head (22) to move to the position right below a rotating shaft of the guide piece (19).

2. The sheet metal part angle-adjustable quick blank holder forming device according to claim 1, characterized in that, parallel plate spare includes that detachable installs bottom plate (2) on the support body structure and with bottom plate (2) parallel arrangement's lifter plate (3), it is provided with a plurality of fixed sleeves (4) to be the diagonal angle on bottom plate (2), sliding sleeve is equipped with in fixed sleeve (4) with telescopic link (5) that lifter plate (3) are connected, just install a spring (6) in fixed sleeve (4), the one end of a spring (6) with the interior wall connection of fixed sleeve (4), the other end with telescopic link (5) are kept away from the one end of lifter plate (3) is connected.

3. The sheet metal part angle-adjustable quick blank holder forming device according to claim 2, wherein the adjusting assembly comprises a bidirectional screw rod (7) arranged along the width direction of the lifting plate (3), two threaded sleeves (8) in threaded connection with the bidirectional screw rod (7) are symmetrically arranged on the bidirectional screw rod (7), two first connecting rods (9) are symmetrically and rotatably arranged on each threaded sleeve (8), and one ends of the two first connecting rods (9) far away from the threaded sleeves (8) are respectively and rotatably connected with first sliding blocks (10) symmetrically arranged on the lifting plate (3); the first sliding block (10) is connected with the turnover plate (12) through a second connecting rod (11), one end of the second connecting rod (11) is connected with the turnover plate (12) in a rotating mode, and the other end of the second connecting rod is connected with the first sliding block (10) in a rotating mode.

4. The sheet metal part angle-adjustable quick blank holder forming device according to claim 3, wherein the frame body structure is further provided with a transmission rod (16), the transmission rod (16) is sleeved with two sliding sleeves (14), one of the sliding sleeves (14) is rotatably provided with a connecting plate (17), the connecting plate (17) is connected with a rotating shaft of the guide part (19), the connecting plate (17) is fixedly connected with the reversing plate (24), and the sliding sleeve (14) is further connected with the rotating shaft of the guide part (19) through a belt (18); the other sliding sleeve (14) is connected with the bidirectional screw rod (7) through a connecting frame (15), and a bevel gear set (13) is arranged between the bidirectional screw rod (7) and the sliding sleeve (14).

5. The angle-adjustable quick blank holder molding device for sheet metal parts according to claim 4, wherein two limiting blocks are symmetrically arranged on the outer circumferential wall of the transmission rod (16), and the limiting blocks are in sliding fit with limiting grooves formed on the inner walls of the two sliding sleeves (14).

6. A method for forming a sheet metal part by using the angle-adjustable quick blank holder forming device for the sheet metal part as claimed in claim 1, which is characterized by comprising the following steps:

the method comprises the following steps: placing a strip-shaped metal workpiece to be metal-stamped between two turnover plates (12);

step two: controlling the action of the adjusting assembly to drive the two turnover plates (12) to rotate, and enabling an included angle between the two turnover plates (12) to be an angle of the workpiece to be bent and formed;

step three: when the adjusting component acts, the adjusting component drives the guide piece (19) connected with the adjusting component to rotate, and when the die head (22) required on the guide piece (19) moves to the position right below the guide piece (19), the guide piece (19) is driven to move downwards by controlling the frame structure;

step four: when the die head (22) is abutted against the strip-shaped metal workpiece, the strip-shaped metal workpiece and the parallel plate are driven to move, and the strip-shaped metal workpiece corresponds to the length direction of the parallel plate under the action of the adjusting folded plate (28);

step five: the die head (22) continues to descend and interact with the two turnover plates (12) to perform bending forming operation on the strip-shaped metal workpiece.