CN115365335A - High-precision intelligent tool magazine bending center and bending method thereof - Google Patents

Abstract

The invention discloses a high-precision intelligent tool magazine bending center and a bending method thereof. The feeding positioning device can transfer and rotate sheet metal parts on a workbench, then the presser foot device can fix the sheet metal parts, the rotating mechanism in the combined tool magazine device can drive the rotating push-type broach block to rotate, the rotating push-type broach block is pushed into the position connected with the slicing broach through the transverse push-type broach mechanism, and then the slicing broach connected with the rotating push-type broach block is rotated under the action of the rotating mechanism, so that the tool changing operation is completed, the slicing broach combination with any length is realized, the sheet metal parts can be bent through the bending cutter device, and the bending processing of the sheet metal parts with different sizes and angles is realized.

Description

High-precision intelligent tool magazine bending center and bending method thereof

Technical Field

The invention relates to the field of tool magazine bending centers, in particular to a high-precision intelligent tool magazine bending center and a bending method thereof.

Background

The bending machine can automatically bend a metal plate workpiece, the metal plate workpiece can be bent for multiple sides in one-time positioning, the bending time of the metal plate workpiece is effectively shortened, and the forming accuracy and the processing efficiency of the metal plate workpiece are greatly improved.

In the prior art, the blades in the upper tool magazine mechanism of the traditional bending machine are mostly fixed and immovable, and can not process metal plate workpieces in any shapes and sizes due to the limitation of blade combination, the positions and the lengths of the blades need to be manually changed by operators, the adjusting mode is very troublesome, and the bending efficiency of the metal plate workpieces is reduced. In addition, the bending machine capable of automatically changing the tool on the market has a very complex tool changing structure, high manufacturing cost and very high later maintenance cost.

Accordingly, the prior art is deficient and needs improvement.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the high-precision intelligent tool magazine bending center and the bending method thereof are quick in combination, high in tool changing efficiency and high in automation degree.

The technical scheme of the invention is as follows: a high-precision intelligent tool magazine bending center comprises a workbench, a feeding positioning device arranged on the workbench to control sheet metal feeding, a pressure foot device arranged at the back of the workbench, a bending tool device arranged at the back side of the pressure foot device, a lifting plate connected with the bending tool device, and a combined tool magazine device arranged on the lifting plate;

the feeding positioning device comprises a first longitudinal moving mechanism, a moving frame, an upper pressing rotating mechanism, a lower pressing rotating mechanism and a moving positioning mechanism, the first longitudinal moving mechanism is arranged at the bottom of the workbench and connected with the moving frame, a longitudinal sliding groove for the moving frame to move longitudinally is formed in the workbench, the upper pressing rotating mechanism and the lower pressing rotating mechanism are arranged at the upper end and the lower end of the moving frame, communicated transverse sliding grooves are formed in the left side and the right side of the tail end of each longitudinal sliding groove, and the moving positioning mechanism is arranged in each transverse sliding groove;

the bending knife device comprises a second longitudinal moving mechanism, a moving plate, a first lifting mechanism and a bending knife, the second longitudinal moving mechanism is connected with the moving plate, the first lifting mechanism is arranged on the moving plate, and the bending knife is connected with the first lifting mechanism;

the top of the moving plate is provided with a supporting plate, the supporting plate is connected with the lifting plate through a second lifting mechanism, the bottom of the lifting plate is provided with a presser foot device for pressing a metal plate, the presser foot device comprises a presser foot plate, a left presser foot mechanism and a right presser foot mechanism, the presser foot plate is arranged on a workbench below the lifting plate, and the left presser foot mechanism and the right presser foot mechanism are respectively arranged at the left end and the right end of the bottom of the lifting plate;

the combined tool magazine device comprises a transverse shifting mechanism, a transverse push-type broach mechanism, a rotary push-type broach block, a rotary mechanism and a plurality of blades, wherein the transverse shifting mechanism is arranged on a lifting plate above the presser foot device, the transverse shifting mechanism is connected with the transverse push-type broach mechanism, the rotary mechanism is connected with the transverse push-type broach mechanism through the rotary push-type broach block, the blades are arranged at the side end of the rotary mechanism, the rotary mechanism can drive the rotary push-type broach block to rotate, the rotary push-type broach block is pushed into the rotary push-type broach block to be connected with the blades through the transverse push-type broach mechanism, and then the blades connected with the rotary push-type broach block are rotated through the rotary mechanism to realize tool changing.

By adopting the technical scheme, in the bending center of the high-precision intelligent tool magazine, the transverse displacement mechanism comprises a first air cylinder, a first transverse moving plate, a first slide rail and a first slide block, the first slide rail is arranged on the lifting plate, the first slide rail is connected with the first transverse moving plate through the first slide block, the first air cylinder is connected with the side end of the first transverse moving plate, and the transverse push broach mechanism and the rotating mechanism are arranged on the first transverse moving plate.

By adopting the technical scheme, in the high-precision intelligent tool magazine bending center, the rotating mechanism comprises a first motor and a rotating shaft, an output shaft of the first motor is connected with the rotating shaft, a plurality of blades are arranged at the side end, far away from the first motor, of the rotating shaft, and the rotating push tool block is sleeved on the rotating shaft between the first motor and the blades;

the transverse push broach mechanism comprises a second motor, a first screw rod, a first nut seat and a connecting block, an output shaft of the second motor is connected with the first screw rod, the first nut seat is sleeved on the first screw rod, the connecting block is arranged on the first nut seat, and the connecting block is movably connected with the rotary push broach block.

Adopt above-mentioned each technical scheme, high accuracy intelligence tool magazine center of bending in, rotatory push away sword piece package rotating part and insertion shaft portion, the rotating part is connected with the rotating shaft, insertion shaft portion locates on the rotating part, be equipped with the patchhole on the broach, the rotating part can drive insertion shaft portion and rotate, so that horizontal push away sword mechanism will insert shaft portion and aim at the patchhole and insert the connection.

By adopting the technical scheme, the high-precision intelligent tool magazine bending center is characterized in that the left end and the right end of the slicing knife are respectively provided with a bearing stop seat for limiting the movement of the slicing knife.

By adopting the technical scheme, in the high-precision intelligent tool magazine bending center, the left presser foot mechanism and the right presser foot mechanism are identical in structure, the left presser foot mechanism comprises a third motor, a second lead screw, a second nut seat, a fixed seat, a pull rod and a plurality of presser foot blocks, an output shaft of the third motor is connected with the second lead screw, the second nut seat is sleeved on the second lead screw, the fixed seat is connected with the second nut seat, the pull rod is transversely arranged on the fixed seat, the pull rod is provided with the left presser foot blocks, and the third motor can drive the second lead screw to rotate, so that the fixed seat connected with the second nut seat is driven to realize transverse displacement, and the left presser foot block is further moved and adjusted in the transverse position.

Adopt above-mentioned each technical scheme, high accuracy intelligence tool magazine center of bending in, it is the same with lower pressure material rotary mechanism structure to go up to press material rotary mechanism, it includes fourth motor, third lead screw, third nut seat, connecting rod, lift slide, second slide rail, second slider, rotating electrical machines and last depression bar to go up to press material rotary mechanism, the removal top is located to the fourth motor, the output shaft and the third lead screw of fourth motor are connected, third nut seat cover is located on the third lead screw, the third nut seat passes through the connecting rod and is connected with the lift slide, the lift slide is vertical to be located on the lateral wall of crane, just the lift slide passes through the second slider and is connected with the second slide rail that is located on the removal lateral wall, go up the depression bar and locate on the lift slide, it is equipped with rotating electrical machines to go up the depression bar top, go up the depression bar bottom and be equipped with the cushion of panel beating contact.

By adopting the technical scheme, in the high-precision intelligent tool magazine bending center, the mobile positioning mechanism comprises a fifth motor, a fourth screw rod, a fourth nut seat and a baffle plate, an output shaft of the fifth motor is connected with the fourth screw rod, the fourth nut seat is sleeved on the fourth screw rod, the bottom of the baffle plate is connected with the fourth nut seat, and the baffle plate can move transversely in a transverse sliding groove.

Adopt above-mentioned each technical scheme, high accuracy intelligence tool magazine center of bending in, be equipped with lift stop gear on the lifter plate, lift stop gear includes spacing post and bearing platform, the bearing platform is located on the workstation, the lifter plate back of bearing platform top is equipped with spacing post.

The invention also provides a bending method, which is applied to the high-precision intelligent tool magazine bending center in any one of the technical schemes, and the bending method comprises the following steps:

step S1: the sheet metal part to be processed is placed on a workbench, an upper pressing rotating mechanism and a lower pressing rotating mechanism of a feeding positioning device can clamp the upper surface and the lower surface of the sheet metal part respectively, then the direction of the sheet metal part is rotationally adjusted, and the sheet metal part is transferred into a moving positioning mechanism for positioning under the action of a first longitudinal moving mechanism;

step S2: the second lifting mechanism can drive the lifting plate to lift and move so that the lifting plate is provided with the foot pressing device to be pressed on the sheet metal part, and therefore the sheet metal part is fixed;

and step S3: a rotating mechanism in the combined tool magazine device can drive a rotary push-type tool block to rotate, the rotary push-type tool block is pushed to be connected with a blade through a transverse push-type tool mechanism, and then the blade connected with the rotary push-type tool block is rotated under the action of the rotating mechanism, so that tool changing operation is completed, and the position of the blade is adjusted;

and step S4: under the combined action of the second longitudinal moving mechanism and the first lifting mechanism, the bending knife can bend one side edge of the sheet metal part;

step S5: then the lifting plate drives the presser foot device to ascend, a first longitudinal moving mechanism in the feeding positioning device drives an upper pressing rotating mechanism and a lower pressing rotating mechanism to move to the position above the sheet metal part, the upper pressing rotating mechanism and the lower pressing rotating mechanism simultaneously clamp the upper surface and the lower surface of the sheet metal part, and then the sheet metal part rotates to adjust the machining direction of the sheet metal part and align the next side edge to be bent to the direction of a bending knife;

step S6: repeating the step S2 to the step S5 until the bending processing of all the side edges of the sheet metal part is finished;

step S7: the feeding positioning device can transfer the processed sheet metal part to the workbench, so that an operator can conveniently carry out blanking.

Compared with the prior art, the feeding positioning device can transfer and rotate sheet metal parts on a workbench, then the presser foot device can fix the sheet metal parts, the rotating mechanism in the combined tool magazine device can drive the rotating push-out tool block to rotate, the rotating push-out tool block is pushed into the position connected with the slicing tool through the transverse push-out tool mechanism, then the slicing tool connected with the rotating push-out tool block is rotated under the action of the rotating mechanism, so that tool changing operation is completed, the position of the slicing tool is adjusted, the position and the length of the slicing tool can be automatically adjusted by the combined tool magazine device, slicing tool combination with any length is realized, and the bending tool device can bend the sheet metal parts, so that the bending processing of sheet metal parts with different sizes and angles is realized; the whole structure is reasonable in design, free combination is convenient, trouble of manual adjustment is avoided, machining efficiency is high, and the machine can be popularized and used.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of a bending blade apparatus of the present invention;

FIG. 3 is a schematic view of the feeding positioning device of the present invention;

FIG. 4 is a schematic structural view of a pressing and rotating mechanism and a moving and positioning mechanism of the present invention;

FIG. 5 is a schematic view of an assembly structure of the combined tool magazine and presser foot device of the present invention;

FIG. 6 is a schematic view of the combined tool magazine apparatus of the present invention;

fig. 7 is a schematic structural view of a presser foot device of the present invention;

fig. 8 is a schematic diagram of the back structure of the lifter plate of the present invention.

Detailed Description

The invention is described in detail below with reference to the figures and the specific embodiments

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inside", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 8, a high-precision intelligent tool magazine bending center includes a workbench 1, a feeding positioning device 2 disposed on the workbench 1 for controlling sheet metal feeding, a presser foot device 3 disposed at the back of the workbench 1, a bending knife device 4 disposed at the back side of the presser foot device 3, a lifting plate 5 connected to the bending knife device 4, and a combined tool magazine device 6 disposed on the lifting plate 5. The feeding positioning device 2 can transfer and rotate sheet metal parts on the workbench 1, then the presser foot device 3 can fix the sheet metal parts, the combined tool magazine device 6 can automatically perform tool changing operation, and the bending tool device 4 can bend the sheet metal parts, so that the bending processing of the sheet metal parts with different sizes and angles is realized.

As shown in fig. 3 and fig. 4, the feeding and positioning device 2 includes a first longitudinal moving mechanism 21, a moving frame 22, an upper pressing rotating mechanism 23, a lower pressing rotating mechanism 24 and a moving and positioning mechanism 25, the first longitudinal moving mechanism 21 is disposed at the bottom of the workbench 1, the first longitudinal moving mechanism 21 is connected with the moving frame 22, a longitudinal sliding slot 11 for the moving frame 22 to move longitudinally is disposed on the workbench 1, the upper pressing rotating mechanism 23 and the lower pressing rotating mechanism 24 are disposed at the upper and lower ends of the moving frame 22, the left and right sides of the end of the longitudinal sliding slot 11 are provided with a transverse sliding slot 12, and the moving and positioning mechanism 25 is disposed in the transverse sliding slot 12. Go up material rotary mechanism 23 and lower material rotary mechanism 24 and aim at and press from both sides the fixed in the upper and lower two sides of sheet metal component, then under the effect of first vertical movement mechanism 21, can drive the sheet metal component and carry out longitudinal movement in vertical spout 11, the transport operation of unloading from this realization, when the sheet metal component is transferred to presser foot device 3 below, move positioning mechanism 25 and can carry out accurate location to the sheet metal component, improve the bending precision of sheet metal component. In addition, when the direction of the sheet metal part needs to be rotated, the upper pressing rotating mechanism 23 and the lower pressing rotating mechanism 24 can also drive the sheet metal part to rotate, so that the bending operation on different sides of the sheet metal part is realized.

As shown in fig. 2, the bending blade device 4 includes a second longitudinal moving mechanism 41, a moving plate 42, a first lifting mechanism 43, and a bending blade 44, the second longitudinal moving mechanism 41 is connected to the moving plate 42, the first lifting mechanism 43 is disposed on the moving plate 42, and the bending blade 44 is connected to the first lifting mechanism 43. The bending knife device 4 can bend the sheet metal part, and specifically, under the combined action of the second longitudinal moving mechanism 41 and the first lifting mechanism 43, the bending knife 44 is driven to move longitudinally and vertically so as to bend the side edge of the sheet metal part.

The top of the moving plate 42 is provided with a support plate 51, the support plate 51 is connected with the lifting plate 5 through a second lifting mechanism 52, the bottom of the lifting plate 5 is provided with a pressure foot device 3 for pressing a metal plate, the pressure foot device 3 comprises a pressure foot plate 31, a left pressure foot mechanism 32 and a right pressure foot mechanism 33, the pressure foot plate 31 is arranged on the workbench 1 below the lifting plate 5, and the left pressure foot mechanism 32 and the right pressure foot mechanism 33 are respectively arranged at the left end and the right end of the bottom of the lifting plate 5. The left presser foot mechanism 32 and the right presser foot mechanism 33 can press the sheet metal part on the presser foot plate 31 to fix the sheet metal part. Specifically, the moving plate 42 can adjust the position of the lifting plate 5, so that the lifting plate 5 moves to the upper side of the sheet metal part, and then the lifting plate 5 drives the presser foot device 3 to press down, so as to perform stable pressing on the sheet metal part.

As shown in fig. 6, the combined tool magazine device 6 includes a lateral shift mechanism 61, a lateral push-type broach mechanism 62, a rotary push-type broach block 63, a rotary mechanism 64 and a plurality of blades 65, the lateral shift mechanism 61 is disposed on the lifting plate 5 above the presser foot device 3, the lateral shift mechanism 61 is connected with the lateral push-type broach mechanism 62, the rotary mechanism 64 is connected with the lateral push-type broach mechanism 62 through the rotary push-type broach block 63, the blades 65 are disposed at the side end of the rotary mechanism 64, the rotary mechanism 64 can drive the rotary push-type broach block 63 to rotate, the rotary push-type broach block 63 is pushed to be connected with the blades 65 through the lateral push-type broach mechanism 62, and then the blades 65 connected with the rotary push-type broach block 63 are rotated through the rotary mechanism 64 to implement tool changing. The combined tool magazine device 6 can automatically adjust the position and the length of the blade knife 65 to realize the combination of the blade knife 65 with any length, and the bending knife device 4 is used for bending the sheet metal parts, so that the bending processing of the sheet metal parts with different sizes and angles is realized.

Further, the lateral shift mechanism 61 includes a first cylinder (not shown), a first traverse plate 611, a first slide rail (not shown) provided on the lift plate 5, the first slide rail being connected to the first traverse plate 611 via the first slide block, the first cylinder being connected to a side end of the first traverse plate 611, and a first slider (not shown), and the lateral push-out mechanism 62 and the rotation mechanism 64 being provided on the first traverse plate 611. The transverse shifting mechanism 61 can adjust the pressing position of the blade 65 to meet the requirements of different positions on sheet metal part machining. Specifically, the first cylinder drives the first traverse plate 611 to slide laterally on the first slide rail.

Further, the rotating mechanism 64 includes a first motor 641 and a rotating shaft 642, an output shaft of the first motor 641 is connected to the rotating shaft 642, a plurality of blades 65 are disposed at a side end of the rotating shaft 642 away from the first motor 641, and the rotating push block 63 is sleeved on the rotating shaft 642 between the first motor 641 and the blades 65.

The transverse push broach mechanism 62 includes a second motor 621, a first lead screw 622, a first nut seat 623 and a connecting block 624, an output shaft of the second motor 621 is connected with the first lead screw 622, the first nut seat 623 is sleeved on the first lead screw 622, the first nut seat 623 is provided with the connecting block 624, and the connecting block 624 is movably connected with the rotary push broach block 63. Because the slicing knife 65 is arranged at the side end of the rotating mechanism 64, the transverse pushing knife mechanism 62 can push the rotating pushing knife block 63 to be inserted on the slicing knife 65, and then the slicing knife 65 is driven to rotate by the rotating mechanism 64, so that the number of the slicing knives 65 pressed on the sheet metal part is reduced, the effect of reducing the length of the slicing knife 65 is achieved, and the free combination of the length of the slicing knife 65 is realized. Specifically, the first motor 641 can drive the rotating shaft 642 to rotate to the same horizontal state as the blade 65, and then the second motor 621 can drive the first lead screw 622 to rotate, so that the first nut seat 623 moves on the first lead screw 622, thereby pushing the rotary blade pushing block 63 to be inserted into and connected to the blade 65.

Further, the rotary blade pushing block 63 includes a rotary portion 631 and a spindle portion 632, the rotary portion 631 is connected to the rotary shaft 642, the spindle portion 632 is provided on the rotary portion 631, the blade 65 is provided with an insertion hole 650, and the rotary portion 631 can rotate the spindle portion 632 so that the spindle portion 632 can be inserted into the insertion hole 650 by aligning the spindle portion 632 with the insertion hole 650 by the lateral blade pushing mechanism 62.

Further, bearing retainers 651 for restricting the movement of the blade 65 are respectively provided at the left and right ends of the blade 65. The bearing stop 651 prevents the blade 65 from being displaced during insertion into engagement with the rotary pusher block 63.

As shown in fig. 7, the left presser foot mechanism 32 and the right presser foot mechanism 33 have the same structure, the left presser foot mechanism 32 includes a third motor 321, a second lead screw 322, a second nut seat 323, a fixing seat 324, a pull rod 325 and a plurality of presser foot blocks 326, an output shaft of the third motor 321 is connected to the second lead screw 322, the second nut seat 323 is sleeved on the second lead screw 322, the fixing seat 324 is connected to the second nut seat 323, the fixing seat 324 is transversely provided with the pull rod 325, the pull rod 325 is provided with the plurality of left presser foot blocks 326, and the third motor 321 can drive the second lead screw 322 to rotate, thereby driving the fixing seat 324 connected to the second nut seat 323 to realize transverse displacement, and further realizing movement adjustment of the left presser foot block 326 in the transverse position. The left presser foot mechanism 32 and the right presser foot mechanism 33 can move transversely at the bottom of the lifting plate 5, specifically, when the position of the presser foot block 326 needs to be moved, the third motor 321 is started to drive the second lead screw 322 to rotate, the second nut seat 323 is sleeved on the second lead screw 322 to further drive the second nut seat 323 to move on the second lead screw 322, and the pull rod 325 is connected with the second nut seat 323, so as to drive the presser foot block 326 on the pull rod 325 to realize transverse displacement.

As shown in fig. 3 and 4, further, the upper pressing and rotating mechanism 23 and the lower pressing and rotating mechanism 24 have the same structure, the upper pressing and rotating mechanism 23 includes a fourth motor 231, a third lead screw 232, a third nut seat 233, a connecting rod 234, a lifting slide seat 235, a second slide rail 236, a second slider 237, a rotating motor 238 and an upper pressing rod 239, the fourth motor 231 is disposed at the top of the movable frame 22, an output shaft of the fourth motor 231 is connected with the third lead screw 232, the third nut seat 233 is sleeved on the third lead screw 232, the third nut seat 233 is connected with the lifting slide seat 235 through the connecting rod 234, the lifting slide seat 235 is vertically disposed on a side wall of the lifting frame, the lifting slide seat 235 is connected with the second slide rail 236 on the side wall of the movable frame 22 through the second slider 237, the upper pressing rod 239 is disposed on the lifting slide seat 235, the top of the upper pressing rod 239 is provided with the rotating motor 238, and the bottom of the upper pressing rod 239 is provided with a rubber mat contacting with the metal plate. The upper pressing rotating mechanism 23 and the lower pressing rotating mechanism 24 are respectively arranged on the upper surface and the lower surface of the sheet metal part, when the upper pressing rotating mechanism 23 needs to clamp the sheet metal part, the fourth motor 231 can drive the third screw rod 232 to rotate so as to drive the third nut seat 233 to move on the third screw rod 232, the third nut seat 233 is connected with the lifting slide seat 235 through the connecting rod 234, and further drives the upper pressing rod 239 on the lifting slide seat 235 to be pressed on the upper surface of the sheet metal part, so that the sheet metal part is stably clamped, and when the direction of the sheet metal part needs to be rotated, the rotating motor 238 can drive the upper pressing rod 239 to rotate, thereby driving the rotating direction of the sheet metal part. It should be noted that the structure and the working principle of the lower pressing and rotating mechanism 24 are similar to those of the upper pressing and rotating mechanism 23, so the principle and the working process of the lower pressing and rotating mechanism 24 are not described in detail in this embodiment.

Further, the moving and positioning mechanism 25 includes a fifth motor (not shown), a fourth lead screw 252, a fourth nut seat 253, and a baffle 251, an output shaft of the fifth motor is connected to the fourth lead screw 252, the fourth nut seat 253 is sleeved on the fourth lead screw 252, a bottom of the baffle 251 is connected to the fourth nut seat 253, and the baffle 251 can move laterally in the lateral sliding groove 12. The moving and positioning mechanism 25 can position the sheet metal part. Specifically, the fifth motor may drive the fourth lead screw 252 to rotate so as to drive the fourth nut seat 253 to move on the fourth lead screw 252, and since the baffles 251 are connected with the fourth nut seat 253, the baffles 251 on both sides are further driven to perform stroke limitation on the sheet metal part.

As shown in fig. 8, further, a lifting limiting mechanism 53 is arranged on the lifting plate 5, the lifting limiting mechanism 53 includes a limiting column 531 and a receiving platform 532, the receiving platform 532 is arranged on the workbench 1, and the back of the lifting plate 5 above the receiving platform 532 is provided with the limiting column 531. The lifting limiting mechanism 53 can prevent the lifting plate 5 from having an overlarge pressing stroke, so that the presser foot device 3 can dent the surface of the sheet metal part.

The embodiment also provides a bending method, which is applied to the high-precision intelligent tool magazine bending center, and the bending method comprises the following steps:

step S1: placing a sheet metal part to be processed on the workbench 1, clamping the upper surface and the lower surface of the sheet metal part respectively by an upper pressing rotating mechanism 23 and a lower pressing rotating mechanism 24 of the feeding positioning device 2, then rotationally adjusting the direction of the sheet metal part, and transferring the sheet metal part into a moving positioning mechanism 25 for positioning under the action of a first longitudinal moving mechanism 21;

step S2: the second lifting mechanism 52 can drive the lifting plate 5 to move up and down, so that the lifting plate 5 drives the presser foot device 3 to be pressed on the sheet metal part, and the sheet metal part is fixed;

and step S3: the rotary mechanism 64 in the combined tool magazine device 6 can drive the rotary push tool block 63 to rotate, the rotary push tool block 63 is pushed to be connected with the blade 65 through the transverse push tool mechanism 62, and then the blade 65 connected with the rotary push tool block 63 is rotated under the action of the rotary mechanism 64, so that the tool changing operation is completed, and the position of the blade 65 is adjusted;

and step S4: under the combined action of the second longitudinal moving mechanism 41 and the first lifting mechanism 43, the bending knife 44 can bend one side edge of the sheet metal part;

step S5: then the lifting plate 5 drives the presser foot device 3 to ascend, the first longitudinal moving mechanism 21 in the feeding positioning device 2 drives the upper pressing rotating mechanism 23 and the lower pressing rotating mechanism 24 to move to the upper part of the sheet metal part, the upper pressing rotating mechanism 23 and the lower pressing rotating mechanism 24 simultaneously clamp the upper surface and the lower surface of the sheet metal part, and then the sheet metal part rotates to adjust the processing direction of the sheet metal part and align the next side edge to be bent to the direction of the bending knife 44;

step S6: repeating the step S2 to the step S5 until the bending processing of all the side edges of the sheet metal part is finished;

step S7: the feeding and positioning device 2 can transfer the processed sheet metal part to the workbench 1, so that the operator can conveniently carry out blanking.

Compared with the prior art, the feeding positioning device can transfer and rotate sheet metal parts on a workbench, then the presser foot device can fix the sheet metal parts, the rotating mechanism in the combined tool magazine device can drive the rotating push-out tool block to rotate, the rotating push-out tool block is pushed into the position connected with the slicing tool through the transverse push-out tool mechanism, then the slicing tool connected with the rotating push-out tool block is rotated under the action of the rotating mechanism, so that tool changing operation is completed, the position of the slicing tool is adjusted, the position and the length of the slicing tool can be automatically adjusted by the combined tool magazine device, slicing tool combination with any length is realized, and the bending tool device can bend the sheet metal parts, so that the bending processing of sheet metal parts with different sizes and angles is realized; the whole structure has reasonable design, free combination and convenience, saves the trouble of manual regulation, has high processing efficiency and can be popularized and used.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a high accuracy intelligence tool magazine center of bending which characterized in that: the device comprises a workbench, a feeding positioning device arranged on the workbench for controlling sheet metal feeding, a presser foot device arranged at the back of the workbench, a bending knife device arranged at the back side of the presser foot device, a lifting plate connected with the bending knife device, and a combined tool magazine device arranged on the lifting plate;

the feeding positioning device comprises a first longitudinal moving mechanism, a moving frame, an upper pressing rotating mechanism, a lower pressing rotating mechanism and a moving positioning mechanism, the first longitudinal moving mechanism is arranged at the bottom of the workbench and connected with the moving frame, a longitudinal sliding groove for the moving frame to move longitudinally is formed in the workbench, the upper pressing rotating mechanism and the lower pressing rotating mechanism are arranged at the upper end and the lower end of the moving frame, communicated transverse sliding grooves are formed in the left side and the right side of the tail end of each longitudinal sliding groove, and the moving positioning mechanism is arranged in each transverse sliding groove;

the bending knife device comprises a second longitudinal moving mechanism, a moving plate, a first lifting mechanism and a bending knife, the second longitudinal moving mechanism is connected with the moving plate, the first lifting mechanism is arranged on the moving plate, and the bending knife is connected with the first lifting mechanism;

the top of the moving plate is provided with a support plate, the support plate is connected with the lifting plate through a second lifting mechanism, the bottom of the lifting plate is provided with a presser foot device for pressing a metal plate, the presser foot device comprises a presser foot plate, a left presser foot mechanism and a right presser foot mechanism, the presser foot plate is arranged on a workbench below the lifting plate, and the left presser foot mechanism and the right presser foot mechanism are respectively arranged at the left end and the right end of the bottom of the lifting plate;

the combined tool magazine device comprises a transverse shifting mechanism, a transverse push-type broach mechanism, a rotary push-type broach block, a rotary mechanism and a plurality of blades, wherein the transverse shifting mechanism is arranged on a lifting plate above the presser foot device, the transverse shifting mechanism is connected with the transverse push-type broach mechanism, the rotary mechanism is connected with the transverse push-type broach mechanism through the rotary push-type broach block, the blades are arranged at the side end of the rotary mechanism, the rotary mechanism can drive the rotary push-type broach block to rotate, the rotary push-type broach block is pushed into the rotary push-type broach block to be connected with the blades through the transverse push-type broach mechanism, and then the blades connected with the rotary push-type broach block are rotated through the rotary mechanism to realize tool changing.

2. The high-precision intelligent tool magazine bending center of claim 1, wherein: the transverse shifting mechanism comprises a first air cylinder, a first transverse moving plate, a first slide rail and a first slide block, the first slide rail is arranged on the lifting plate, the first slide rail is connected with the first transverse moving plate through the first slide block, the first air cylinder is connected with the side end of the first transverse moving plate, and the transverse push broach mechanism and the rotating mechanism are arranged on the first transverse moving plate.

3. The high-precision intelligent tool magazine bending center of claim 2, wherein: the rotary mechanism comprises a first motor and a rotary shaft, an output shaft of the first motor is connected with the rotary shaft, a plurality of slicing knives are arranged at the side end of the rotary shaft far away from the first motor, and the rotary push knife block is sleeved on the rotary shaft between the first motor and the slicing knives;

the transverse push broach mechanism comprises a second motor, a first screw rod, a first nut seat and a connecting block, an output shaft of the second motor is connected with the first screw rod, the first nut seat is sleeved on the first screw rod, the connecting block is arranged on the first nut seat, and the connecting block is movably connected with the rotary push broach block.

4. The high-precision intelligent tool magazine bending center of claim 3, wherein: the rotary push broach mechanism comprises a rotary part and an inserting shaft part, wherein the rotary part is connected with the rotary shaft, the inserting shaft part is arranged on the rotary part, an inserting hole is formed in the blade knife, the rotary part can drive the inserting shaft part to rotate, and therefore the transverse push broach mechanism can align the inserting shaft part to the inserting hole to be inserted and connected.

5. The high-precision intelligent tool magazine bending center of claim 4, wherein: and bearing blocking seats for limiting the movement of the slicing knife are respectively arranged at the left end and the right end of the slicing knife.

6. The high-precision intelligent tool magazine bending center of claim 1, wherein: the left presser foot mechanism and the right presser foot mechanism are identical in structure, the left presser foot mechanism comprises a third motor, a second lead screw, a second nut seat, a fixed seat, a pull rod and a plurality of presser foot blocks, an output shaft of the third motor is connected with the second lead screw, the second nut seat is sleeved on the second lead screw, the fixed seat is connected with the second nut seat, the pull rod is transversely arranged on the fixed seat, the plurality of left presser foot blocks are arranged on the pull rod, the third motor can drive the second lead screw to rotate, and therefore the fixed seat connected with the second nut seat is driven to realize transverse displacement, and the movement adjustment of the left presser foot block in the transverse position is further realized.

7. The high-precision intelligent tool magazine bending center of claim 1, wherein: go up and press material rotary mechanism the same with lower material rotary mechanism structure, go up and press material rotary mechanism and include fourth motor, third lead screw, third nut seat, connecting rod, lift slide, second slide rail, second slider, rotating electrical machines and go up the depression bar, the removal frame top is located to the fourth motor, the output shaft and the third lead screw of fourth motor are connected, third nut seat cover is located on the third lead screw, third nut seat passes through the connecting rod and is connected with the lift slide, the lift slide is vertical to be located on the lateral wall of crane, just the lift slide passes through the second slider and is connected with the second slide rail that is located on the removal frame lateral wall, go up the depression bar and locate on the lift slide, it is equipped with rotating electrical machines to go up the depression bar top, it is equipped with the cushion with the panel beating contact to go up the depression bar bottom.

8. The high-precision intelligent tool magazine bending center of claim 1, wherein: the movable positioning mechanism comprises a fifth motor, a fourth screw rod, a fourth nut seat and a baffle, an output shaft of the fifth motor is connected with the fourth screw rod, the fourth nut seat is sleeved on the fourth screw rod, the bottom of the baffle is connected with the fourth nut seat, and the baffle can move transversely in the transverse sliding groove.

9. The high-precision intelligent tool magazine bending center of claim 1, wherein: the lifting plate is provided with a lifting limiting mechanism, the lifting limiting mechanism comprises a limiting column and a bearing platform, the bearing platform is arranged on the workbench, and the back of the lifting plate above the bearing platform is provided with the limiting column.

10. A bending method is applied to the high-precision intelligent tool magazine bending center of any one of claims 1 to 9, and is characterized in that: the bending method comprises the following steps:

step S1: the sheet metal part to be processed is placed on a workbench, an upper pressing rotating mechanism and a lower pressing rotating mechanism of a feeding positioning device can clamp the upper surface and the lower surface of the sheet metal part respectively, then the direction of the sheet metal part is rotationally adjusted, and the sheet metal part is transferred into a moving positioning mechanism for positioning under the action of a first longitudinal moving mechanism;

step S2: the second lifting mechanism can drive the lifting plate to lift and move so that the lifting plate is provided with the foot pressing device to be pressed on the sheet metal part, and therefore the sheet metal part is fixed;

and step S3: a rotating mechanism in the combined tool magazine device can drive a rotating push-type tool block to rotate, the rotating push-type tool block is pushed to be connected with a blade through a transverse push-type tool mechanism, and then the blade connected with the rotating push-type tool block is rotated under the action of the rotating mechanism, so that tool changing operation is completed to adjust the position of the blade;

and step S4: under the combined action of the second longitudinal moving mechanism and the first lifting mechanism, the bending knife can bend one side edge of the sheet metal part;

step S5: then the lifting plate drives the presser foot device to ascend, a first longitudinal moving mechanism in the feeding positioning device drives an upper pressing rotating mechanism and a lower pressing rotating mechanism to move to the position above the sheet metal part, the upper pressing rotating mechanism and the lower pressing rotating mechanism simultaneously clamp the upper surface and the lower surface of the sheet metal part, and then the sheet metal part rotates to adjust the machining direction of the sheet metal part and align the next side edge to be bent to the direction of a bending knife;

step S6: repeating the step S2 to the step S5 until the bending processing of all the side edges of the sheet metal part is finished;

step S7: the feeding positioning device can transfer the processed sheet metal part to the workbench, so that an operator can conveniently carry out blanking.

Images