CN120460600A - A new automatic tool arrangement mechanism for upper pressing tool of bending center and its operation method - Google Patents
A new automatic tool arrangement mechanism for upper pressing tool of bending center and its operation methodInfo
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- CN120460600A CN120460600A CN202510980472.6A CN202510980472A CN120460600A CN 120460600 A CN120460600 A CN 120460600A CN 202510980472 A CN202510980472 A CN 202510980472A CN 120460600 A CN120460600 A CN 120460600A
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- knife
- bending
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Abstract
The invention relates to a novel automatic cutter arranging mechanism for a pressing cutter on a bending center and an operation method thereof, relates to the technical field of bending centers, and effectively solves the problems that the existing bending center is inconvenient to replace and adjust cutters, influences the machining efficiency, and has a complex adjustment mode and low precision for the pressing cutter; the novel automatic cutter arranging mechanism for the upper pressing cutters of the bending center and the operation method thereof adopt a structure that a plurality of independent movable pressing cutters can independently adjust the lengths of the pressing cutters, the lengths of the pressing cutters involved in bending can be automatically adjusted according to the widths of workpieces to be bent, the workpieces with different widths can be conveniently bent, the labor is greatly saved, the machining efficiency can be improved, the first cutter adjusting mechanisms, the second cutter adjusting mechanisms, the transverse moving mechanisms and the connecting mechanisms on two sides can be independently adjusted, the lengths of the pressing cutter structures on the corresponding sides can be independently adjusted, the bending precision is improved, the workpieces with asymmetric bending can be more conveniently and accurately bent, and the machining requirements can be met.
Description
Technical Field
The invention relates to the technical field of bending centers, in particular to a novel automatic cutter arranging mechanism for an upper pressing cutter of a bending center and an operation method of the novel automatic cutter arranging mechanism.
Background
Bending centers are a type of machine used in the manufacturing and processing industries for bending or shaping sheet metal into a specific shape. The principle of operation is generally to clamp the metal sheet in place and then bend the metal along a predetermined axis using a mechanical or hydraulic system. The bending center plays a vital role in the industry of accurately and efficiently shaping the metal plate, can reduce the requirement for manpower and improves the overall quality of the finished product.
When the bending center is used for bending a product, the product is required to be pressed by a pressing cutter, the pressing effect of the pressing cutter can directly influence the bending quality of the product, when the existing bending center is used for bending and forming of different sizes, cutters of different sizes are required to be replaced frequently, the existing replacement cutters are replaced manually, due to the fact that the weight of the cutters is large, the labor intensity of workers for replacing the cutters is large, the cutters of different sizes are required to be customized according to different bending shapes and sizes, a large amount of manpower and material resources are wasted, the processing efficiency is influenced, the equipment use cost is increased, meanwhile, the adjustment mode of the pressing cutter by the existing bending center is complex, the adjustment precision of the length of the pressing cutter is low, the convenience is brought to corresponding to the edges of a workpiece, and the existing processing requirements cannot be met.
In view of the above, the present invention provides a novel automatic knife arranging mechanism for pressing knives in bending centers and an operation method thereof for solving the above problems.
Disclosure of Invention
According to the novel automatic cutter arranging mechanism for the upper pressing cutters of the bending center and the operation method thereof, provided by the invention, the device does not need to manually replace the pressing cutters, the workpieces with different widths can be conveniently bent, the labor is greatly saved, the machining efficiency can be improved, the first cutter adjusting mechanism and the second cutter adjusting mechanism on two sides and the transverse moving mechanism and the connecting mechanism can be independently adjusted, the integral length of the pressing cutter structure, which is involved in bending, on the corresponding side can be independently adjusted, the pressing cutters, which are involved in bending, on the two sides are fully aligned with the edges of the workpieces, the bending precision of the workpieces is improved, the accurate bending of the asymmetric workpieces is more convenient, and the machining requirement can be met.
The utility model provides a novel automatic sword mechanism of arranging of pressing sword on center of bending and operation method thereof, includes connecting plate, mounting bracket and pressing sword slide rail, mounting bracket fixed connection is in the bottom of connecting plate and pressing sword slide rail fixed connection is at the lower surface of mounting bracket, but the both sides at connecting plate side middle part all are provided with the movable end transmission of lateral shifting mechanism and are connected with the lead screw slider coupling mechanism of horizontal translation, the middle part fixed mounting of pressing sword slide rail lower surface has fixed pressing sword and fixed pressing sword's both sides are provided with first piece sword adjustment mechanism and second piece sword adjustment mechanism that can refine the regulation respectively, the both ends that the mounting bracket kept away from lead screw slider coupling mechanism one side all are provided with the spacing chucking mechanism that can carry out spacing fixed to first piece sword adjustment mechanism and second piece sword adjustment mechanism, one side that first piece sword adjustment mechanism and second piece sword adjustment mechanism kept away from fixed pressing sword all is provided with the movable pressing sword on the pressing sword slide rail of slidable connection, the side of movable pressing sword is provided with the coupling mechanism that can make adjacent movable pressing sword interconnect, the outside fixedly connected with on lead screw slider coupling mechanism top and move and the movable pressing slider position that the surface is kept away from pressing sword slide seat adjustment mechanism.
Preferably, the first blade adjusting mechanism and the second blade adjusting mechanism have the same structure and are symmetrically arranged by taking the vertical central line of the connecting plate as a symmetrical axis, and each blade adjusting mechanism comprises a blade rotating assembly, a blade adjusting assembly and a blade fixing assembly, wherein the blade rotating assembly comprises a fixed frame, a second reducing motor, a rotating rod, a rotating block and a blade, the fixed frame is fixedly connected to the side surface of the connecting plate, the second reducing motor is fixedly arranged at the bottom of the side surface of the fixed frame, the rotating rod is connected to the output end of the second reducing motor through a spline and is rotationally connected to the bottom end inside the fixed frame, the plurality of blades are mutually bonded and sleeved at one end, far away from the second reducing motor, of the outside of the rotating rod, and the rotating block is fixedly arranged outside the rotating rod and is in butt joint with the blade;
The blade adjusting assembly comprises a third speed reducing motor, a second screw rod, a screw rod nut, a translation plate, a rotating ring and an inserting rod, wherein the second screw rod is connected to the output end of the third speed reducing motor through a spline and is rotationally connected to the top of the fixing frame, the third speed reducing motor is fixedly arranged at the top of the side face of the fixing frame, the screw rod nut is in transmission connection with the outside of the second screw rod, the translation plate is fixedly connected to the outside of the screw rod nut, the rotating ring is embedded at the bottom end of the translation plate and sleeved on the outside of the rotating rod, and the inserting rod is fixedly connected to the movable end of the rotating ring and is inserted on the side face of the blade;
The blade knife fixing assembly comprises a supporting frame, a first air cylinder, a spring rod and a rotating clamping plate, wherein the supporting frame is fixedly connected to the position, corresponding to the blade knife vertically, of the top end of the supporting frame, the fixed cylinder body of the first air cylinder is rotationally connected to the top of the supporting frame, the spring rods are connected to the two sides of the fixed cylinder body of the first air cylinder through bolts, the top ends of the rotating clamping plate are hinged to the tail ends of the movable rod body of the first air cylinder and the two spring rods, and the middle part of the rotating clamping plate is rotationally connected to the end, away from the supporting frame, of the supporting frame, and the bottom end of the rotating clamping plate can be connected with the blade knife in a clamping mode.
Preferably, the number of the blades in the first blade adjusting mechanism is twice the number of the blades in the second blade adjusting mechanism, the thickness of the blades in the first blade adjusting mechanism is half of the thickness of the blades in the second blade adjusting mechanism, and the integral thickness of the blades in the first blade adjusting mechanism is the same as the integral thickness of the blades in the second blade adjusting mechanism.
Preferably, the transverse moving mechanism comprises a first gear motor and a first screw rod, wherein the first screw rod is connected to the output end of the first gear motor through a spline, and the first gear motor is fixedly arranged on the side face of the connecting plate.
Preferably, the screw slider connecting mechanism comprises a screw slider, a connecting seat and a first push-pull pressing cutter, wherein the screw slider is connected to the outside of the first screw through a thread transmission mode, the connecting seat is fixedly connected to the bottom of the screw slider, the first push-pull pressing cutter is fixedly connected to the bottom end of the connecting seat, transversely and slidably connected to the pressing cutter sliding rail and horizontally corresponds to the fixed pressing cutter and the movable pressing cutter, and the movable sliding seat is horizontally and fixedly connected to the outside of the screw slider.
Preferably, the spacing chucking mechanism includes second cylinder, rotatory driving lever, pivot and chucking piece, the fixed cylinder body of second cylinder rotates the tip of connecting at the mounting bracket upper surface and the terminal rotation of the movable body of rod is connected with rotatory driving lever, the outside of pivot has cup jointed fixed block and fixed block fixed connection at the lower surface of mounting bracket, the inside of fixed block and wherein one end pass through spline and the bottom fixed connection of rotatory driving lever are connected in the pivot level rotation, chucking piece fixed connection keep away from the one end of rotatory driving lever in the pivot and correspond and can be with the slice sword joint that corresponds with the slice sword of same one side, two spacing chucking mechanisms correspond and be symmetrical setting with first slice sword adjustment mechanism and second slice sword adjustment mechanism respectively and with the perpendicular central line of mounting bracket as the symmetry axis.
Preferably, the connecting mechanism comprises a third cylinder, a bolt, a connecting pin and a pin hole, wherein the third cylinder is fixedly connected with the top of one side of the movable pressing knife close to the transverse moving mechanism and the end part of the movable rod body is fixedly connected with the bolt, the connecting pin is fixedly connected with the top of one side of the movable pressing knife close to the adjacent movable pressing knife and the end part of the movable pressing knife close to the movable pressing knife, the pin hole matched with the pin hole is formed in the top of the movable pressing knife, a jack corresponding to the connecting pin on the side surface of the adjacent movable pressing knife and the connecting pin on the adjacent movable pressing knife can be inserted into the jack, and the bolt is arranged in the jack in a penetrating mode and can be inserted into the pin hole at the end part of the internal connecting pin.
Preferably, the pressing knife push-pull mechanism comprises a fourth cylinder, a push-pull plate, a second push-pull pressing knife and a fifth cylinder, wherein the fixed cylinder body of the fourth cylinder is horizontally and fixedly arranged on the lower surface of the movable sliding seat, the end part of the movable rod body is fixedly connected with the push-pull plate, the second push-pull pressing knife is fixedly connected with the bottom end of the push-pull plate and is slidably connected with the pressing knife sliding rail and horizontally corresponds to the movable pressing knife, the fixed cylinder body of the fifth cylinder is fixedly arranged on one side, far away from the second push-pull pressing knife, of the push-pull plate, the end part of the movable rod body is fixedly connected with a plug pin, the top of the side surface of the second push-pull pressing knife is also provided with a jack corresponding to the connecting pin on the movable pressing knife, and the plug pin at the movable end of the fifth cylinder can be penetrated in the pin hole of the connecting pin on the adjacent movable pressing knife.
Preferably, the number of the screw rod slide block connecting mechanisms and the number of the pressing knife push-pull mechanisms are two, and the two screw rod slide block connecting mechanisms and the pressing knife push-pull mechanisms are symmetrically arranged by taking the vertical central line of the connecting plate as a symmetrical axis.
An operation method of a novel automatic cutter arranging mechanism for a pressing cutter on a bending center comprises the following steps:
1. In the initial state, the first blade adjusting mechanisms and the second blade adjusting mechanisms at two sides are in a downward pressing state and correspond to the movable pressing blades at two sides, the pressing blade pushing and pulling mechanisms at two sides are in a mutually separated state and are separated from the movable pressing blades, and the screw rod slide block connecting mechanisms at the same side and the movable pressing blades are mutually connected through the connecting mechanisms;
2. Simultaneously, the pressing knife push-pull mechanisms at two sides move to one side of the adjacent movable pressing knives, and after the pressing knife push-pull mechanisms are abutted against the adjacent movable pressing knives, the outer pressing knife push-pull mechanisms are connected with the adjacent movable pressing knives through the connecting mechanism;
3. Then the connecting mechanism on the movable pressing knife at the proper length position matched with the width of the workpiece to be bent is separated from the adjacent movable pressing knife, and then the pressing knife push-pull mechanism drives other movable pressing knives connected with the connecting mechanism to move along the direction away from the fixed pressing knife, so that the movable pressing knives which do not need to participate in bending the plate are pulled to the outer side together, and the movable pressing knife on the inner side, the first blade knife adjusting mechanism, the second blade knife adjusting mechanism and the fixed pressing knife form a whole;
4. When the adjustment is finished, the end parts of the movable pressing cutters which participate in bending and correspond to the edge parts of the workpiece cannot be aligned with the edge of the workpiece completely, the whole lengths of the movable pressing cutters and the screw rod slide block connecting mechanisms which participate in bending at two sides after being abutted with the first and second blade adjusting mechanisms can be aligned with the width of the workpiece completely through adjusting the first and second blade adjusting mechanisms, and the adjusting precision of the first and second blade adjusting mechanisms is different and can be adjusted independently, so that the distance between the movable pressing cutters which participate in bending at two sides can be adjusted more accurately;
5. And then controlling the transverse moving mechanisms at two sides to drive the screw rod slide block connecting mechanisms at two sides and the movable pressing cutters participating in the cutter splicing to move to one side close to the first cutter adjusting mechanism and the second cutter adjusting mechanism respectively and abut against the movable pressing cutters, so that the positions of the movable pressing cutters participating in bending can be finely adjusted, the movable pressing cutters participating in bending can be accurately aligned with the edge parts of the workpieces, and the mechanism can accurately bend the workpieces through an external control unit.
The technical scheme has the beneficial effects that:
According to the novel automatic pressing cutter arranging mechanism for the bending center and the operation method thereof, a plurality of independent movable pressing cutters are adopted to form a structure capable of independently adjusting the length of the pressing cutters, the lengths of the pressing cutter structures which need to participate in bending can be automatically adjusted through the matching of the pressing cutter push-pull mechanism and the connecting mechanism according to the width of a workpiece to be bent, the pressing cutters do not need to be manually replaced, the workpieces with different widths can be conveniently bent, the connecting mechanisms are independently arranged on the movable pressing cutters, the connection state between the movable pressing cutters can be conveniently and rapidly adjusted according to the situation, the aim of rapid adjustment is achieved, the machining efficiency can be greatly improved, the pressing cutter lengths which participate in bending can be more accurately adjusted through the first sheet cutter adjusting mechanism and the second sheet cutter adjusting mechanism on two sides, and the transverse moving mechanism and the connecting mechanism can be independently adjusted, the integral lengths of the pressing cutter structures which participate in bending on one side can be independently adjusted, the pressing cutters which participate in bending on two sides are fully aligned with the edges of the workpiece, the workpiece bending precision is more convenient, and the asymmetric workpiece bending requirements can be more satisfied.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the present invention in front view;
FIG. 3 is a schematic view of a screw slider connection mechanism of the present invention;
FIG. 4 is a schematic view of a side of the connecting plate away from the lead screw slider connecting mechanism;
FIG. 5 shows a movable knife according to the present invention schematic side sectional view;
FIG. 6 is a schematic view of a second blade adjustment mechanism according to the present invention;
FIG. 7 is a schematic view of a blade stowed condition of the second blade adjustment mechanism of the present invention;
fig. 8 is a schematic view of a spacing clip mechanism according to the present invention.
In the figure, 1, a connecting plate, 2, a mounting frame, 3, a pressing tool sliding rail, 4, a fixed pressing tool, 5, a movable pressing tool, 6, a movable sliding seat, 7, a first speed reducing motor, 8, a first lead screw, 9, a lead screw sliding block, 10, a connecting seat, 11, a first push-pull pressing tool, 13, a sheet tool rotating assembly, 1301, a fixing frame, 1302, a second speed reducing motor, 1303, a rotating rod, 1304, a rotating block, 1305, a sheet tool, 14, a sheet tool adjusting assembly, 1401, a third speed reducing motor, 1402, a second lead screw, 1403, a lead screw nut, 1404, a translation plate, 1405, a rotating ring, 1406, a plug rod, 15, a sheet tool fixing assembly, 1501, a supporting frame, 1502, a first cylinder, 1503, a spring rod, 1504, a rotating clamping plate, 16, a second cylinder, 17, a rotating deflector rod, 18, a rotating shaft, 19, a clamping block, 20, a third cylinder, 21, a plug pin, 22, a connecting pin, 23, a pin hole, 24, a jack, 25, a fourth cylinder, 26, a plate, 27, a second push-pull pressing tool, 28 and a fifth pressing tool.
Detailed Description
The foregoing and other features, aspects and advantages of the present invention will become more apparent from the following detailed description of embodiments of the present invention when taken in conjunction with the accompanying drawings, wherein like reference characters refer to the same parts throughout the several views.
The embodiment provides a novel automatic cutter arrangement mechanism of last press cutter of center of bending, as shown in fig. 1-8, including connecting plate 1, mounting bracket 2 and press cutter slide rail 3, connecting plate 1 can be with outside power module fixed connection, control connecting plate 1 and its overall structure activity through outside power module and bend the work piece, mounting bracket 2 fixed connection is in the bottom of connecting plate 1 and press cutter slide rail 3 fixed connection is at the lower surface of mounting bracket 2, the both sides at connecting plate 1 side middle part all are provided with lateral shifting mechanism, lateral shifting mechanism includes first gear motor 7 and first lead screw 8, first lead screw 8 passes through spline connection at the output of first gear motor 7 and first gear motor 7 fixed mounting is the side at connecting plate 1, two lateral shifting mechanisms are symmetrical setting as the symmetry axle with the perpendicular central line of connecting plate 1, the activity press cutter 5 of steerable both sides respectively are adjusted.
The movable end of the transverse moving mechanism is in transmission connection with a screw slider connecting mechanism capable of transversely translating, the screw slider connecting mechanism comprises a screw slider 9, a connecting seat 10 and a first push-pull pressing knife 11, the screw slider 9 is connected to the outside of a first screw rod 8 through screw transmission, the connecting seat 10 is fixedly connected to the bottom of the screw slider 9, the first push-pull pressing knife 11 is fixedly connected to the bottom end of the connecting seat 10 and transversely and slidably connected to the pressing knife sliding rail 3 and horizontally corresponds to the fixed pressing knife 4 and the movable pressing knife 5, the top of the first push-pull pressing knife 11, which is close to one side of the movable pressing knife 5, is fixedly connected with a connecting pin 22, the connecting pin 22 on the first push-pull pressing knife 11 can be inserted into a jack 24 on the side of the movable pressing knife 5 adjacent to the first push-pull pressing knife, and the third cylinder 20 on the movable pressing knife 5 can be inserted into a pin hole 23 on the side of the first push-pull pressing knife 11, so that the first push-pull pressing knife 11 and the movable pressing knife 5 are connected to form a whole, the movable sliding seat 6 is horizontally fixedly connected to the outside of the pressing knife 9, one side of the movable sliding seat 6, which is close to the connecting plate 1 is fixedly connected to the sliding rail 1, the sliding rail 1 is horizontally correspondingly connected to the sliding rail 1 and the sliding seat is horizontally connected to the sliding seat 6, and the sliding seat is horizontally connected to the sliding seat 7, and the sliding seat is horizontally and horizontally connected to the sliding seat slide guide rail, and the sliding seat is conveniently, and the sliding seat is driven, and the sliding seat is horizontally, and the sliding seat.
The middle part of the lower surface of the pressing cutter sliding rail 3 is fixedly provided with a fixed pressing cutter 4, two sides of the fixed pressing cutter 4 are respectively provided with a first cutter adjusting mechanism and a second cutter adjusting mechanism which can be finely adjusted, the first cutter adjusting mechanism and the second cutter adjusting mechanism are identical in structure and are symmetrically arranged by taking the vertical central line of the connecting plate 1 as a symmetrical axis, each cutter rotating assembly 13, each cutter adjusting assembly 14 and each cutter fixing assembly 15 comprise a cutter rotating assembly 13, a cutter rotating assembly 13 comprises a fixing frame 1301, a second gear motor 1302, a rotating rod 1303, a rotating block 1304 and a cutter 1305, the fixing frame 1301 is fixedly connected to the side surface of the connecting plate 1, the second gear motor 1302 is fixedly arranged at the bottom of the side surface of the fixing frame 1301, the rotating rod 1303 is connected to the output end of the second gear motor 1302 through a spline and is rotatably connected to the bottom end inside the fixing frame 1301, the number of the cutters 1305 are a plurality of cutters 1305 are mutually adhered and are sleeved on one end of the outer part of the rotating rod 1305 far away from the second gear motor 1302, the cutter 1305 can rotate outside the rotating rod 1304, and the rotating block 1305 is fixedly arranged on the outer part of the rotating rod 1303 and is in butt joint with the cutter 1305.
The blade adjusting assembly 14 comprises a third gear motor 1401, a second screw 1402, a screw nut 1403, a translation plate 1404, a rotating ring 1405 and an inserting rod 1406, wherein the second screw 1402 is connected to the output end of the third gear motor 1401 through a spline and is rotationally connected to the top of the fixing frame 1301, the third gear motor 1401 is fixedly arranged on the top of the side surface of the fixing frame 1301, the screw nut 1403 is in transmission connection with the outside of the second screw 1402 and the translation plate 1404 is fixedly connected to the outside of the screw nut 1403, the middle part of the translation plate 1404 is fixedly connected with a guide rod, the guide rod horizontally penetrates through the inside of one side of the fixing frame 1301 close to the blade 1305, the guide rod can move in the horizontal direction, the translation plate 1404 and the screw nut 1403 are limited, the screw nut 1403 can only move horizontally along the outside of the second screw 1402, and the lower rotating ring 1405 is driven by the translation plate 1404 to move horizontally along the outside of the rotating rod 1303, and the inserting rod 1406 is adjusted; the rotating ring 1405 is embedded at the bottom end of the translation plate 1404 and is sleeved outside the rotating rod 1303, so that the rotating ring 1405 can rotate outside the rotating rod 1303 and can transversely slide outside the rotating rod 1303 along with the transverse movement of the translation plate 1404, the inserting rod 1406 is fixedly connected at the movable end of the rotating ring 1405 and inserted at the side surface of the blade 1305, the inserting rod 1406 also passes through the inside of the rotating block 1304, the second gear motor 1302 drives the rotating rod 1303 to rotate and can drive the rotating block 1304 to drive the inserting rod 1406 to do circular movement by taking the rotating rod 1303 as the axis, the third gear motor 1401 drives the second screw 1402 to rotate and can drive the external screw nut 1403 to transversely move, so that the rotating ring 1305 and the inserting rod 1406 are driven to transversely move by the translation plate 1404, the depth of the inserting rod 1406 into the blade 1305 can be conveniently adjusted, the position of the inserting rod 1406 is adjusted according to the length required to be adjusted, and after the position of the inserting rod 1406 is fixed, the rotating rod 1303 and the rotating block 1304 are driven by the second gear motor 1302 to rotate 180 degrees clockwise, so that the inserting rod 1406 drives the knife 1305 clamped with the rotating rod 1305 to rotate clockwise, and the knife 1305 is retracted so as not to participate in bending.
The blade fixing assembly 15 comprises a supporting frame 1501, a first cylinder 1502, a spring rod 1503 and a rotating clamping plate 1504, the supporting frame 1501 is fixedly connected to the position, corresponding to the blade 1305 vertically, of the top end of the fixing frame 1301, a fixed cylinder body of the first cylinder 1502 is rotationally connected to the top of the supporting frame 1501, the spring rod 1503 is connected to two sides of the fixed cylinder body of the first cylinder 1502 through bolts, the spring rod 1503 can exert inward tension on the top end of the rotating clamping plate 1504, the bottom end of the rotating clamping plate 1504 is in a state away from the fixing frame 1301, the top ends of the rotating clamping plate 1504 are hinged to the tail ends of the movable rod body of the first cylinder 1502 and the two spring rods 1503, the middle part of the rotating clamping plate 1504 is rotationally connected to the end, away from the fixing frame 1301, of the supporting frame 1501 and the bottom end of the rotating clamping plate 1305 can be clamped with the blade 1305, after the blade adjusting assembly 14 is retracted upwards, the movable rod body of the first cylinder 1502 can be controlled to extend outwards through an external air channel, and the bottom end of the rotating clamping plate 1504 is enabled to rotate inwards and be clamped with a clamping groove on the blade 1305, so that the retracted blade 1305 can be fixed.
The blade 1305 in the first blade adjusting mechanism and the blade 1305 in the second blade adjusting mechanism have two different thicknesses, the number of the blades 1305 in the first blade adjusting mechanism is twice as large as that of the blades 1305 in the second blade adjusting mechanism, the thickness of the blades 1305 in the first blade adjusting mechanism is half of that of the blades 1305 in the second blade adjusting mechanism, the whole thickness of the blades 1305 in the first blade adjusting mechanism is the same as that of the blades 1305 in the second blade adjusting mechanism, the lengths of the corresponding pressing blades can be independently adjusted according to the different lengths of the left side and the right side of the middle part of a workpiece, the two ends of the pressing blades can be independently adjusted, the two types of adjusting precision can be achieved for the blades 1305 with different thicknesses on the two sides, the whole length of the pressing blades participating in bending can be more conveniently and finely adjusted, and the mechanism can bend a workpiece more finely.
The two ends of one side of the installation frame 2 far away from the screw rod slide block connecting mechanism are respectively provided with a limiting clamping mechanism capable of limiting and fixing the first blade adjusting mechanism and the second blade adjusting mechanism, the limiting clamping mechanism comprises a second air cylinder 16, a rotary deflector rod 17, a rotating shaft 18 and a clamping block 19, the fixed cylinder body of the second air cylinder 16 is rotationally connected with the end part of the upper surface of the installation frame 2, the tail end of the movable rod body is rotationally connected with the rotary deflector rod 17, the outer part of the rotating shaft 18 is sleeved with the fixed block and fixedly connected with the lower surface of the installation frame 2, the rotating shaft 18 is horizontally rotationally connected with the inside of the fixed block and one end of the rotating shaft is fixedly connected with the bottom end of the rotary deflector rod 17 through a spline, the clamping block 19 is fixedly connected with the clamping block 1305 corresponding to the blade 1305 on the same side at one end of the rotating shaft 18 far away from the rotary deflector rod 17, the two limiting clamping mechanisms are respectively corresponding to the first blade adjusting mechanism and the second blade adjusting mechanism and symmetrically arranged by taking the vertical center line of the installation frame 1305 as a symmetrical axis, after all the blades on two sides are adjusted, the blades of the two sides are positioned at the position corresponding to the movable rod body of the movable rod body 5, the second blade 1305 can be pushed by the second blade body 16 to stretch out of the clamping block 16, and can be just buckled to the bottom end of the clamping block 19, and can be just buckled to the corresponding blade 19, and can be matched with the clamping block 19, and can be buckled to the bottom end 19, and can be just buckled to the corresponding blade 19.
The movable pressing knife 5 which is slidably connected to the pressing knife sliding rail 3 is arranged on one side, far away from the fixed pressing knife 4, of the first blade adjusting mechanism and the second blade adjusting mechanism, the connecting mechanism capable of enabling the adjacent movable pressing knives 5 to be connected with each other is arranged on the side face of the movable pressing knife 5, the connecting mechanism comprises a third air cylinder 20, a bolt 21, a connecting pin 22 and a pin hole 23, the third air cylinder 20 is fixedly connected to the top of one side, close to the transverse moving mechanism, of the movable pressing knife 5, the end portion of a movable rod body is fixedly connected with the bolt 21, the connecting pin 22 is fixedly connected to the top of one side, close to each other, of the movable pressing knife 5, the end portion of the movable pressing knife 5 is provided with the pin hole 23 which is matched with the bolt 21, the jack 24 corresponding to the connecting pin 22 on the side face of the adjacent movable pressing knife 5 is arranged on the top of the movable pressing knife 5, the connecting pin 22 on the adjacent movable pressing knife 5 can be inserted into the jack 24, the bolt 21 is arranged inside the jack 24 in a penetrating mode and can be inserted into the pin hole 23 at the end portion of the connecting pin 22 in the interior, and therefore a plurality of movable pressing knives 5 can be tightly connected into a whole.
The outside fixedly connected with at lead screw slider coupling mechanism top removes slide 6 and removes the one end that lead screw slider coupling mechanism was kept away from to slide 6 and remove the slide and be provided with the clamp knife push-and-pull mechanism of adjustable movable clamp knife 5 position, clamp knife push-and-pull mechanism includes fourth cylinder 25, push-and-pull plate 26, second push-and-pull clamp knife 27 and fifth cylinder 28, the fixed cylinder body horizontal fixed mounting of fourth cylinder 25 is at the lower surface that removes slide 6 and movable body of rod tip fixedly connected with push-and-pull plate 26, second push-and-pull clamp knife 27 fixed connection is on push-and-pull plate 26's bottom and sliding connection is on clamp knife slide rail 3 and correspond with movable clamp knife 5 level, the fixed cylinder body fixed mounting of fifth cylinder 28 is at the push-and-pull plate 26 one side that is kept away from second push-and-pull clamp knife 27 and the tip of its movable body of rod also fixedly connected with bolt 21, the jack 24 that corresponds with connecting pin 22 on movable clamp knife 5 has also been seted up at the top of second push-and-pull clamp knife 27 side, the bolt 21 of fifth cylinder 28 end can wear to be established in the pinhole 23 of connecting pin 22 on adjacent movable clamp knife 5, when the movable body of rod body of fourth cylinder 25 stretches out, can drive the second push-and-pull clamp knife 27 and-pull plate 26 and move towards the movable clamp knife 5 through the side through the second push-and move clamp knife 27 and the clamp knife 5 is moved to become separated to the movable clamp knife 5 and become the movable clamp knife 5 and the clamp knife 5 is moved by the activity and the clamp knife 5 is moved and the clamp knife that is bent and can not to move and move to the clamp knife 5 and move.
The number of the screw rod slide block connecting mechanisms and the number of the pressing knife push-pull mechanisms are two, the two screw rod slide block connecting mechanisms and the pressing knife push-pull mechanisms are symmetrically arranged by taking the vertical central line of the connecting plate 1 as a symmetrical axis, the screw rod slide block connecting mechanisms and the pressing knife push-pull mechanisms on the same side of the two lateral movement mechanisms can be independently controlled by the lateral movement mechanisms on the two sides, and the first sheet knife adjusting mechanism and the second sheet knife adjusting mechanism can also be independently adjusted, so that the two-side sheet knife 1305 and the movable pressing knife 5 can be respectively adjusted to the integral length of two-side asymmetric workpieces to facilitate the adjustment of the pressing knife lengths of the two-side bending to different lengths, and the two-side asymmetric workpieces can be more conveniently bent.
The first gear motor 7, the second gear motor 1302 and the third gear motor 1401 are all electrically connected with an external control unit and are all electrically connected with an external circuit through wires, and the first cylinder 1502, the second cylinder 16, the third cylinder 20, the fourth cylinder 25 and the fifth cylinder 28 are all communicated with an external air passage through air pipes, so that the active states of the first gear motor, the second gear motor 1302 and the third gear motor 1401 can be controlled through the external air passage respectively.
An operation method of a novel automatic cutter arranging mechanism for a pressing cutter on a bending center comprises the following steps:
1. In the initial state, all the blade knives 1305 at the two sides are in a downward pressing state and correspond to the movable pressing knives 5 at the two sides, the second push-pull pressing knives 27 at the two sides are in a mutually separated state and are separated from the movable pressing knives 5, and the first push-pull pressing knives 11 and the movable pressing knives 5 are mutually connected through a connecting mechanism;
2. Simultaneously, the movable rod body of the fourth air cylinder 25 is retracted to drive the second push-pull press cutters 27 on two sides to be close to the adjacent movable press cutters 5, at the moment, the connecting pin 22 on the adjacent movable press cutters 5 can be inserted into the insertion hole 24 on the side face of the second push-pull press cutter 27, then the movable rod body of the fifth air cylinder 28 on the second push-pull press cutter 27 extends out, so that the plug pin 21 is inserted into the pin hole 23 on the connecting pin 22 of the adjacent movable press cutters 5, and the second push-pull press cutters 27 on the outer side are connected with the adjacent movable press cutters 5;
3. then the movable rod body of the third air cylinder 20 on the movable pressing knife 5 at the proper length position matched with the width of the workpiece to be bent is retracted, the corresponding bolt 21 is separated from the connecting pin 22 of the adjacent movable pressing knife 5, then the movable rod body of the fourth air cylinder 25 is ejected outwards again, and the other movable pressing knives 5 connected with the movable rod body are driven by the push-pull plate 26 and the second push-pull pressing knife 27 to move along the direction away from the fixed pressing knife 4, so that the movable pressing knives 5 which do not need to participate in bending the plate are pulled to the outer side together, and the movable pressing knife 5 on the inner side, the sheet knife 1305 and the fixed pressing knife 4 form a whole;
4. When the end part of the movable pressing knife 5 which participates in the splicing after adjustment and corresponds to the edge part of the workpiece cannot be completely aligned with the edge of the workpiece, the transverse position of the inserting rod 1406 can be adjusted through the blade adjusting component 14, so that the length of the inserting rod 1406 inserted into the blade 1305 is the same as the length of the movable pressing knife 5 exceeding the edge of the workpiece, then the inserting rod 1406 is driven to rotate clockwise through the blade rotating component 13, the part of the blade 1305 corresponding to the inserting rod 1406 is rotated 180 degrees along the rotating rod 1303, and the position of the rotated blade 1305 is fixed through the blade fixing component 15, so that the whole thickness of the blade 1305 can be adjusted;
5. Then, the transverse moving mechanism is controlled again to drive the screw rod sliding block connecting mechanism and the movable pressing knife 5 participating in the splicing knife to move to one side of the remaining blade knife 1305 participating in bending the workpiece and to be in butt joint with the remaining blade knife 1305, so that the position of the movable pressing knife 5 participating in bending can be finely adjusted, the movable pressing knife 5 participating in bending can be accurately aligned with the edge part of the workpiece, and the mechanism is used for accurately bending the workpiece through an external control unit.
The above description is only for the purpose of illustrating the invention, and it should be understood that the invention is not limited to the above embodiments, but various modifications consistent with the idea of the invention are within the scope of the invention.
Claims (10)
1. The utility model provides a novel automatic cutter arrangement mechanism of last press cutter of center of bending, includes connecting plate (1), mounting bracket (2) and press cutter slide rail (3), its characterized in that, mounting bracket (2) fixed connection is in the bottom of connecting plate (1) and press cutter slide rail (3) fixed connection is in the lower surface of mounting bracket (2), the both sides at connecting plate (1) side middle part all are provided with lateral shifting mechanism and lateral shifting mechanism's movable end transmission and are connected with the lead screw slider coupling mechanism that can transversely translate, the middle part fixed mounting of press cutter slide rail (3) lower surface has fixed press cutter (4) and fixed press cutter (4) both sides are provided with first piece sword adjustment mechanism and second piece sword adjustment mechanism that can refine the regulation respectively, the both ends that lead screw slider coupling mechanism one side were kept away from to mounting bracket (2) all are provided with the spacing chucking mechanism that can carry out spacing fixed to first piece sword adjustment mechanism and second piece sword adjustment mechanism, one side that first piece sword adjustment mechanism and second piece sword adjustment mechanism kept away from fixed press cutter (4) all is provided with movable press cutter (5) on press slide rail (3), movable press cutter (5) adjacent press cutter (5) are provided with each other, the outside fixedly connected with at lead screw slider coupling mechanism top removes slide (6) and removes one end that slide (6) lower surface kept away from lead screw slider coupling mechanism and be provided with the pressure sword push-pull mechanism of adjustable movable pressure sword (5) position.
2. The novel automatic cutter arranging mechanism for the pressing cutters on the bending center according to claim 1, wherein the first cutter adjusting mechanism and the second cutter adjusting mechanism are identical in structure and are symmetrically arranged by taking a vertical center line of a connecting plate (1) as a symmetry axis, each of the mechanism comprises a cutter rotating assembly (13), a cutter adjusting assembly (14) and a cutter fixing assembly (15), each cutter rotating assembly (13) comprises a fixing frame (1301), a second reducing motor (1302), a rotating rod (1303), a rotating block (1304) and a cutter (1305), the fixing frame (1301) is fixedly connected to the side surface of the connecting plate (1) and the second reducing motor (1302) is fixedly arranged at the bottom of the side surface of the fixing frame (1301), the rotating rod (1303) is connected to the output end of the second reducing motor (1302) through a spline and is rotatably connected to the bottom end inside the fixing frame (1301), the plurality of cutters (1305) are mutually adhered to each other and are sleeved at one end, far from the second reducing motor (1302), and the rotating block (1303) is fixedly connected to the outer part of the cutter (1305);
The blade adjusting assembly (14) comprises a third gear motor (1401), a second screw (1402), a screw nut (1403), a translation plate (1404), a rotating ring (1405) and an inserting rod (1406), wherein the second screw (1402) is connected to the output end of the third gear motor (1401) through a spline and is rotationally connected to the top of a fixing frame (1301), the third gear motor (1401) is fixedly arranged at the top of the side face of the fixing frame (1301), the screw nut (1403) is in transmission connection with the outside of the second screw (1402) and the translation plate (1404) is fixedly connected with the outside of the screw nut (1403), the rotating ring (1405) is embedded at the bottom end of the translation plate (1404) and is sleeved on the outside of the rotating rod (1303), and the inserting rod (1406) is fixedly connected to the movable end of the rotating ring (1405) and is inserted into the side face of the blade (1305);
The blade fixing assembly (15) comprises a supporting frame (1501), a first air cylinder (1502), a spring rod (1503) and a rotating clamping plate (1504), wherein the supporting frame (1501) is fixedly connected to the top of a fixing frame (1301) and is vertically corresponding to the blade (1305), the fixed cylinder body of the first air cylinder (1502) is rotationally connected to the top of the supporting frame (1501), the spring rod (1503) is connected to two sides of the fixed cylinder body of the first air cylinder (1502) through bolts, the top of the rotating clamping plate (1504) is hinged to the movable rod body of the first air cylinder (1502) and the tail ends of the two spring rods (1503), and the middle of the rotating clamping plate (1504) is rotationally connected to one end, away from the fixing frame (1301), of the supporting frame (1501) and the bottom of the fixing frame can be clamped with the blade (1305).
3. The novel automatic knife arranging mechanism for pressing knives in a bending center according to claim 2, wherein the number of the knives (1305) in the first knife adjusting mechanism is twice as large as the number of the knives (1305) in the second knife adjusting mechanism, the thickness of the knives (1305) in the first knife adjusting mechanism is half of the thickness of the knives (1305) in the second knife adjusting mechanism, and the total thickness of the knives (1305) in the first knife adjusting mechanism is the same as the total thickness of the knives (1305) in the second knife adjusting mechanism.
4. The novel automatic cutter arranging mechanism for the pressing cutters on the bending center according to claim 1, wherein the transverse moving mechanism comprises a first gear motor (7) and a first screw rod (8), the first screw rod (8) is connected to the output end of the first gear motor (7) through a spline, and the first gear motor (7) is fixedly arranged on the side face of the connecting plate (1).
5. The novel automatic cutter arranging mechanism for the pressing cutters on the bending center according to claim 4, wherein the screw slider connecting mechanism comprises a screw slider (9), a connecting seat (10) and a first push-pull pressing cutter (11), the screw slider (9) is connected to the outside of a first screw (8) through a screw transmission mode, the connecting seat (10) is fixedly connected to the bottom of the screw slider (9), the first push-pull pressing cutter (11) is fixedly connected to the bottom of the connecting seat (10) and is transversely connected to the pressing cutter sliding rail (3) in a sliding mode and horizontally corresponds to the fixed pressing cutter (4) and the movable pressing cutter (5), and the movable sliding seat (6) is horizontally fixedly connected to the outside of the screw slider (9).
6. The novel automatic cutter arranging mechanism for the pressing cutters on the bending center according to claim 2, wherein the limiting clamping mechanism comprises a second air cylinder (16), a rotary deflector rod (17), a rotating shaft (18) and a clamping block (19), a fixed cylinder body of the second air cylinder (16) is rotationally connected to the end part of the upper surface of the mounting frame (2) and the tail end of the movable rod body is rotationally connected with the rotary deflector rod (17), the outer part of the rotating shaft (18) is sleeved with the fixed block and fixedly connected to the lower surface of the mounting frame (2), the rotating shaft (18) is horizontally rotationally connected to the inner part of the fixed block, one end of the rotating shaft (18) is fixedly connected with the bottom end of the rotary deflector rod (17) through a spline, the clamping block (19) is fixedly connected to one end of the rotating shaft (18) far away from the rotary deflector rod (17) and corresponds to a cutter (1305) on the same side and can be clamped with a cutter (1305) on the same side, and the two limiting clamping mechanisms respectively correspond to the first cutter adjusting mechanism and the second cutter adjusting mechanism and are symmetrically arranged by taking the vertical center line of the mounting frame (2) as a symmetrical axis.
7. The novel automatic cutter arranging mechanism for the pressing cutters on the bending centers according to claim 1, wherein the connecting mechanism comprises a third air cylinder (20), a plug pin (21), a connecting pin (22) and a pin hole (23), the third air cylinder (20) is fixedly connected with the top of one side of the movable pressing cutter (5) close to the transverse moving mechanism and is fixedly connected with the plug pin (21) at the end part of the movable rod body, the connecting pin (22) is fixedly connected with the top of one side of the movable pressing cutter (5) close to each other with the adjacent movable pressing cutter (5) and is provided with the pin hole (23) matched with the plug pin (21), the top of the movable pressing cutter (5) is provided with the jack (24) corresponding to the connecting pin (22) on the side of the adjacent movable pressing cutter (5), and the connecting pin (22) on the adjacent movable pressing cutter (5) can be inserted into the jack (24), and the plug pin (21) penetrates into the jack (24) and can be inserted into the pin hole (23) at the end part of the connecting pin (22).
8. The novel automatic cutter arranging mechanism for the pressing cutters on the bending center according to claim 7, wherein the cutter pushing and pulling mechanism comprises a fourth air cylinder (25), a push-pull plate (26), a second push-pull pressing cutter (27) and a fifth air cylinder (28), wherein the fixed cylinder body of the fourth air cylinder (25) is horizontally and fixedly arranged on the lower surface of the movable sliding seat (6) and is fixedly connected with the push-pull plate (26) at the end part of the movable rod body, the second push-pull pressing cutter (27) is fixedly connected to the bottom end of the push-pull plate (26) and is slidingly connected to the pressing cutter sliding rail (3) and horizontally corresponds to the movable pressing cutter (5), the fixed cylinder body of the fifth air cylinder (28) is fixedly arranged on one side, far away from the second push-pull pressing cutter (27), of the movable rod body of the fifth air cylinder is fixedly connected with a plug pin (21), the top of the side of the second push-pull pressing cutter (27) is also provided with a jack (24) corresponding to a connecting pin (22) on the movable pressing cutter (5), and the movable end (28) of the fifth air cylinder (21) can be arranged in the adjacent pin hole (23).
9. The novel automatic cutter arranging mechanism for the pressing cutters on the bending center of the bending machine is characterized in that the number of the screw rod slide block connecting mechanisms and the number of the pressing cutter push-pull mechanisms are two, and the two screw rod slide block connecting mechanisms and the two pressing cutter push-pull mechanisms are symmetrically arranged by taking the vertical central line of the connecting plate (1) as a symmetry axis.
10. A method of operating a novel automatic knife arranging mechanism for press knives in a bending center according to any one of claims 1 to 9, further comprising the steps of:
1. In the initial state, the first blade adjusting mechanisms and the second blade adjusting mechanisms at two sides are in a downward pressing state and correspond to the movable pressing blades (5) at two sides, the pressing blade pushing and pulling mechanisms at two sides are in a mutually separated state and are separated from the movable pressing blades (5), and the screw rod slide block connecting mechanisms at the same side and the movable pressing blades (5) are mutually connected through the connecting mechanisms;
2. simultaneously, the pressing knife push-pull mechanisms at two sides move to one side of the adjacent movable pressing knives (5), and after the pressing knife push-pull mechanisms are abutted against the adjacent movable pressing knives (5), the outer pressing knife push-pull mechanisms are connected with the adjacent movable pressing knives (5) through the connecting mechanism;
3. Then, a connecting mechanism on the movable pressing knife (5) at a proper length position matched with the width of a workpiece to be bent is separated from the adjacent movable pressing knife (5), and then the pressing knife push-pull mechanism drives other movable pressing knives (5) connected with the connecting mechanism to move along a direction away from the fixed pressing knife (4), so that the movable pressing knives (5) which do not need to participate in bending a plate are pulled to the outer side together, and the movable pressing knife (5) at the inner side, the first sheet knife adjusting mechanism, the second sheet knife adjusting mechanism and the fixed pressing knife (4) form a whole;
4. When the adjustment is finished, the end parts of the movable pressing cutters (5) which participate in bending and correspond to the edge parts of the workpiece cannot be aligned with the edge of the workpiece completely, the whole lengths of the movable pressing cutters (5) which participate in bending at two sides and the screw rod slide block connecting mechanism which are abutted with the first and second blade adjusting mechanisms can be aligned with the width of the workpiece completely through adjusting the first and second blade adjusting mechanisms, and the adjusting precision of the first and second blade adjusting mechanisms is different and can be adjusted independently, so that the distance between the movable pressing cutters (5) which participate in bending at two sides can be adjusted more accurately;
5. then the transverse moving mechanisms on two sides are controlled to drive the screw rod slide block connecting mechanisms on two sides and the movable pressing cutters (5) participating in the splicing of the cutters to move to one side close to the first cutter adjusting mechanism and the second cutter adjusting mechanism respectively and abut against the first cutter adjusting mechanism and the second cutter adjusting mechanism, so that the positions of the movable pressing cutters (5) participating in bending can be finely adjusted, the movable pressing cutters (5) participating in bending can be accurately aligned with the edge parts of the workpieces, and the mechanism can accurately bend the workpieces through an external control unit.
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| CN202510980472.6A CN120460600B (en) | 2025-07-16 | 2025-07-16 | Automatic tool arrangement mechanism for upper press tool of bending center and operation method thereof |
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| CN202510980472.6A CN120460600B (en) | 2025-07-16 | 2025-07-16 | Automatic tool arrangement mechanism for upper press tool of bending center and operation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN121551442A (en) * | 2026-01-19 | 2026-02-24 | 南京蓝昊智能科技有限公司 | Block type upper pressing knife seat |
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| CN120460600B (en) | 2025-09-30 |
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