CN214078674U - Full-electric servo flanging machine - Google Patents

Abstract

The utility model discloses a full electric servo flanging machine in the field of metal sheet processing machine tools, wherein a pressing beam capable of sliding up and down is arranged on the front side of a frame, an upper die base is arranged on the lower side of the pressing beam, an upper die is arranged on the upper die base, and a lower die is arranged on the frame through a lower die base; the frame is provided with a longitudinal driving mechanism for driving the flanging beam to swing up and down and a transverse driving mechanism for driving the flanging beam to swing back and forth; the side of the rack is provided with a workbench, one side of the workbench, which is close to the upper die and the lower die, is provided with a positioning device, the workbench is provided with an operating machine with a C-shaped opening, the operating machine is provided with a push plate mechanism for pushing plates, a compression rotary transmission mechanism is arranged between an upper opening part and a lower opening part of the C-shaped opening, the workbench is fixed on the base, and the operating machine is slidably arranged on the base. The device makes the panel feeding stable accurate, and whole lathe compact structure, it is exclusively used in and carries out hem processing to various panels.

Description

Full-electric servo flanging machine

Technical Field

The utility model relates to a sheet metal machine tool, in particular to flanging machine.

Background

In the chinese patent database, a sheet metal flanging machine flanging mechanism is disclosed, the publication number of which is: CN105921572A, published: 20160907, a support table is arranged at the lower end of the front side of the frame of the device, a pressing beam is arranged above the support table, a flanging beam is arranged in the front side of the frame, the left side and the right side of the lower end of the flanging beam are respectively provided with a vertical driving mechanism for driving the flanging beam to swing up and down, and the rear end of the flanging beam is provided with a horizontal driving mechanism for driving the flanging beam to swing back and forth; vertical actuating mechanism includes servo motor I, reduction gear I, bent axle I and connecting rod I, and servo motor I is connected with reduction gear I, and reduction gear I is installed in the frame left and right sides through connecting seat I, and the output shaft and the bent axle I of reduction gear I are connected, and the bearing I of setting in the frame is installed at I both ends of bent axle, and I pot head of connecting rod is on bent axle I, and I other end of connecting rod is connected with the hem roof beam lower extreme through the pin.

The device drives the flanging beam to realize horizontal and vertical movement through two-way movement, and carries out flanging processing on the plate-shaped workpiece.

In the chinese patent database, a crimping machine pressing rotary transmission mechanism is also disclosed, and its publication number: CN205914593U, published: 20170201, the device is including installing the horizontal linear guide at frame upper left end, fixed mounting has horizontal support on horizontal linear guide's the moving member, fixed mounting has the nut on the horizontal support, and the nut inscribes has the lead screw, and the lead screw right-hand member has servo motor through the coupling joint, vertical linear guide is installed in the frame left side, install vertical support on vertical linear guide's the moving member, be equipped with the through-hole on the vertical direction of vertical support, be equipped with rotatable depression bar in the through-hole, the lower extreme of depression bar is equipped with the pressure head, is equipped with drive depression bar pivoted drive arrangement on the vertical support, and a articulated connecting rod in vertical support upper end, the other end and the horizontal support of connecting rod are articulated to be connected. And a bearing is arranged in the through hole of the vertical support, and oil seals are arranged at the upper end and the lower end of the through hole of the vertical support. The driving device is a stepping motor, the output end of the stepping motor is provided with a driving belt wheel, and the driving belt wheel is connected with the driven belt wheel through a belt.

The dynamic response is fast, the transmission in-place precision is high, and the reliability is strong; the pressing rod can be rotated by a certain angle according to the shape of the workpiece, so that the processing requirement of the workpiece is met.

The defects of the prior art are as follows: the device provides a local structure of the flanging machine, but the feeding and positioning of the plate to be processed and the automation degree of the whole machine are required to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a full electric servo flanging machine makes its feeding stable accurate, can adapt to the hem processing of different plates, and the machine tool mechanism is compact, and degree of automation is high.

The purpose of the utility model is realized like this: a full-electric servo flanging machine comprises a frame, wherein a pressing beam capable of sliding up and down is arranged on the front side of the frame, an upper die holder is arranged on the lower side of the pressing beam, an upper die is arranged on the upper die holder, and a lower die is arranged on the frame through a lower die holder; the frame is provided with a longitudinal driving mechanism for driving the flanging beam to swing up and down and a transverse driving mechanism for driving the flanging beam to swing back and forth; the frame side is equipped with a workstation, and the one side that is close to mould and lower mould on the workstation is equipped with positioner, be equipped with the operating machine that has the open-ended of C shape on the workstation, be equipped with a push pedal mechanism that is used for propelling movement plate on the operating machine, be equipped with between the open-ended upper and lower oral area of C shape and compress tightly rotary transmission mechanism, the workstation is fixed on the frame, and the operating machine slidable ground is installed on the frame.

The utility model discloses during operation, push pedal mechanism and positioner work in coordination, can fix a position the plate, and the manipulator can send the plate of placing on the workstation into the clearance that upper die and lower mould correspond, can compress tightly the plate through the motion of compressing tightly the roof beam, then the hem roof beam moves work, carries out the hem with the plate; the C-shaped opening manipulator enables the plate pushing mechanism to push the plate in the approximate middle of the plate, so that the plate is stressed reasonably, feeding is stable and accurate, and the whole machine tool is compact in structure. The utility model discloses an degree of automation embodies in following several places, one of them: through the cooperative action of the positioning device and the push plate mechanism, the plate can be automatically positioned. The second step is as follows: the plate rotating position can be processed by pressing the rotating transmission mechanism. And thirdly: the plate can be clamped tightly through the movement of the upper die and the lower die, and meanwhile, the longitudinal driving mechanism and the transverse driving mechanism drive the flanging beam to act to hem the plate. Fourthly, the method comprises the following steps: automatic feeding and discharging are realized through the cooperation of the operating machine and the pressing rotary transmission mechanism. The utility model discloses be exclusively used in and carry out hem processing to various plates.

Furthermore, two horizontal guide rails which are parallel to each other are arranged on the base, a bottom plate is arranged at the bottom of the operating machine, the lower side of the bottom plate is arranged on the horizontal guide rails through a horizontal sliding block in a sliding mode, a lead screw is arranged between the two horizontal guide rails, the lead screw is arranged on the base through a bearing seat, the end of the lead screw shaft is in transmission connection with a lead screw driving motor, and a lead screw nut which is meshed with the lead screw is arranged on the lower side of the bottom plate through. When the screw rod driving motor works, the operating machine can be driven to stably carry out translational motion, and the feeding and the discharging of plates are realized.

As a further improvement of the utility model, the compressing rotary transmission mechanism comprises a compressing mechanism and a rotating mechanism, the compressing mechanism is arranged at the upper side of the opening part of the C-shaped opening, and an upper pressure head extending downwards is arranged on the compressing mechanism; the rotating mechanism is arranged at the lower side of the opening part of the C-shaped opening, and a lower pressing head which extends upwards and corresponds to the upper pressing head is arranged on the rotating mechanism. Further, rotary mechanism includes the pivot, and the pressure head is fixed in the pivot upper end down, and the pivot lower extreme is connected with the reduction gear transmission, and the reduction gear axle head is equipped with the encoder, and pivot and reduction gear are whole to be installed at the manipulator tip through the installing support, still install the rotation driving motor on the installing support, and the rotation driving motor is connected with the reduction gear transmission through the hold-in range. The pressing mechanism can drive the upper pressing head to move up and down, and can press the plate between the upper pressing head and the lower pressing head, and at the moment, the plate can move along with the movement of the operating machine, so that the plate can be conveyed to a processing position and withdrawn from the processing position; in addition, rotary mechanism can drive the plate and rotate, and the encoder provides the turned angle information to control system to form closed loop control, guarantee that the plate can turned angle carry out hem processing.

The utility model discloses a further improvement lies in, the push pedal mechanism includes no pole cylinder, push pedal and hydraulic buffer, links to each other through the connecting plate between the buffer shell of no pole cylinder's cylinder slider and hydraulic buffer, and buffer shell both sides are equipped with the connecting screw rod that links to each other with the push pedal respectively, and the cover is equipped with buffer spring on the connecting screw rod, and buffer spring supports between buffer shell and push pedal; the end part of the piston of the hydraulic buffer is provided with a buffer head extending towards the push plate. When the rodless cylinder works, the cylinder sliding block of the rodless cylinder drives the push plate to push the plate to move in a translation mode, and the plate can be positioned by combining the positioning device. In the structure, the push plate and the buffer spring form primary buffering, the buffer head and the hydraulic buffer form secondary buffering, when the push plate contacts with a plate, the reaction force from the plate drives the push plate to push the buffer spring, and the buffer spring is compressed to form primary buffering, so that the damage to the plate caused by direct impact is avoided; when buffer spring is compressed for the push pedal direct contact is to the buffer head, and second grade buffering work, oil buffer have bigger impact resistance, when providing the buffering, also provide the bigger thrust to the plate, guarantee that the plate can accurate quick location.

Furthermore, one end of the rodless cylinder is hinged to the operating machine, and a lifting cylinder is arranged between the other end of the rodless cylinder and the operating machine. The pushing angle of the pushing plate can be changed through the lifting cylinder, so that the plate can be pushed more conveniently.

As a further improvement, the positioning device comprises a stop finger which is respectively arranged at the left and the right of the workbench and can move in translation, and a lifting stop dog which is used for limiting the position of the positioning plate is arranged on the stop finger. The lifting stop block can limit the position of the edge or the corner of the plate, and the plate with different specifications can be positioned by moving the stop finger and lifting the lifting stop block.

As a further improvement, the compression beam is connected in the frame through the longitudinal guide slider mechanism, and frame upper portion is equipped with the compression beam driving motor, compresses tightly the beam driving motor and compresses tightly between the roof beam through linear driving mechanism and link to each other.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the folding machine of the present invention.

Fig. 2 is a main view of the edge folding machine of the present invention.

Fig. 3 is a schematic view of a local structure of the folding machine of the present invention.

Fig. 4 is a partially enlarged view of a in fig. 3.

Fig. 5 is a partial structural schematic diagram of the manipulator.

Fig. 6 is a partially enlarged view of B in fig. 5.

Fig. 7 is a partial enlarged view of C in fig. 5.

Fig. 8 is a partial structural schematic view of the manipulator drive mechanism.

Fig. 9 is a schematic structural diagram of the push plate mechanism.

Fig. 10 is a schematic structural view of the rotating mechanism.

Fig. 11 is a first schematic diagram of the positioning device.

Fig. 12 is a second schematic diagram of the positioning device.

In the figure, 1 machine frame, 2 pressing beam, 3 upper die base, 4 manipulator, 5 workbench, 6 machine base, 7 positioning device, 8 longitudinal guide rail slide block mechanism, 9 hemming beam, 10 pressing beam driving motor, 11C-shaped opening, 12 transverse driving mechanism, 13 lower die, 14 upper die, 15 push plate mechanism, 16 longitudinal driving mechanism, 17 lifting cylinder, 18 rodless cylinder, 19 rotating mechanism, 20 lower press head, 21 upper press head, 22 pressing mechanism, 23 push plate, 24 buffer spring, 25 buffer head, 26 oil pressure buffer, 27 lead screw, 28 horizontal guide rail, 29 bearing seat, 30 lead screw driving motor, 31 horizontal slide block, 32 bottom plate, 33 connecting plate, 34 buffer shell, 35 connecting screw, 36 air cylinder slide block, 37 rotating shaft, 38 rotating driving motor, 39 synchronous belt, 40 encoder, 41 reducer, 42 mounting bracket, 43 left stop finger, 44 right stop finger and 45 lead screw nut.

Detailed Description

As shown in fig. 1-3, an all-electric servo flanging machine comprises a frame 1, wherein a pressing beam 2 capable of sliding up and down is arranged on the front side of the frame 1, an upper die holder 3 is arranged on the lower side of the pressing beam 2, an upper die 14 is arranged on the upper die holder 3, and a lower die 13 is arranged on the frame 1 through a lower die holder; a hemming beam 9 is arranged on one side of the upper die 14 corresponding to one side of the lower die 13, and a longitudinal driving mechanism 16 for driving the hemming beam 9 to swing up and down and a transverse driving mechanism 12 for driving the hemming beam 9 to swing back and forth are arranged on the frame 1; the side of the frame 1 is provided with a workbench 5, one side of the workbench 5, which is close to the upper die 14 and the lower die 13, is provided with a positioning device 7, the workbench 5 is provided with an operating machine 4 with a C-shaped opening 11, the operating machine 4 is positioned in the middle of the workbench 5, the operating machine 4 is provided with a push plate mechanism 15 for pushing plates, a compression rotary transmission mechanism is arranged between the upper opening part and the lower opening part of the C-shaped opening 11, the workbench 5 is fixed on the base 6, and the operating machine 4 can be slidably arranged on the base 6.

As shown in fig. 5, 7 and 8, the manipulator 4 and the base 6 are connected in the following way: the machine base 6 is provided with two parallel horizontal guide rails 28, the bottom of the operating machine 4 is provided with a bottom plate 32, the lower side of the bottom plate 32 is slidably arranged on the horizontal guide rails 28 through a horizontal sliding block 31, a lead screw 27 is arranged between the two horizontal guide rails 28, the lead screw 27 is arranged on the machine base 6 through a bearing seat 29, the shaft end of the lead screw 27 is in transmission connection with a lead screw driving motor 30, and a lead screw nut 45 which is meshed with the lead screw 27 is arranged on the lower side of the bottom plate 32 through a connecting piece. When the screw driving motor 30 works, the manipulator 4 can be driven to stably move in a translation manner, so that the feeding and discharging of the plate are realized.

As shown in fig. 6 and 10, the pressing rotary transmission mechanism has the following structure: the pressing mechanism 22 is arranged on the upper side of the opening part of the C-shaped opening 11, and the pressing mechanism 22 is provided with an upper pressing head 21 extending downwards; the rotating mechanism 19 is provided at the lower side of the mouth of the C-shaped opening 11, and the rotating mechanism 19 is provided with a lower pressing head 20 which protrudes upward and corresponds to an upper pressing head 21. Further, the rotating mechanism 19 comprises a rotating shaft 37, the lower pressing head 20 is fixed at the upper end of the rotating shaft 37, the lower end of the rotating shaft 37 is in transmission connection with a speed reducer 41, an encoder 40 is arranged at the shaft end of the speed reducer 41, the rotating shaft 37 and the speed reducer 41 are integrally installed at the end of the operating machine 4 through an installation support 42, a rotary driving motor 38 is further installed on the installation support 42, and the rotary driving motor 38 is in transmission connection with the speed reducer 41 through a synchronous belt 39. The pressing mechanism 22 can drive the upper pressing head 21 to move up and down, so that the plate can be pressed between the upper pressing head 21 and the lower pressing head 20, and at the moment, the plate can move along with the movement of the operating machine 4, and the plate can be conveyed into a processing position and withdrawn from the processing position; in addition, rotary mechanism 19 can drive the plate and rotate, and encoder 40 provides the turned angle information to control system to form closed loop control, guarantee that the plate can turned angle carry out hem processing.

As shown in fig. 4 and 9, the push plate mechanism 15 includes a rodless cylinder 18, a push plate 23 and an oil buffer 26, a cylinder slider 36 of the rodless cylinder 18 is connected with a buffer shell 34 of the oil buffer 26 through a connecting plate 33, two sides of the buffer shell 34 are respectively provided with a connecting screw 35 connected with the push plate 23, the connecting screw 35 is sleeved with a buffer spring 24, and the buffer spring 24 is supported between the buffer shell 34 and the push plate 23; the piston end of the hydraulic damper 26 is provided with a damper head 25 projecting toward the push plate 23. When the rodless cylinder 18 works, the cylinder slide block 36 of the rodless cylinder 18 drives the push plate 23 to push the plate placed on the workbench 5 to move in a translation manner, and the plate can be positioned by combining the positioning device 7. In the structure, the push plate 23 and the buffer spring 24 form primary buffer, the buffer head 25 and the hydraulic buffer form secondary buffer, when the push plate 23 contacts the plate, the reaction force from the plate drives the push plate 23 to push the buffer spring 24 and compress the buffer spring 24 to form primary buffer, so that the damage to the plate caused by direct impact is avoided; when the buffer spring 24 is compressed, so that the push plate 23 directly contacts the buffer head 25, secondary buffer work is carried out, the oil buffer 26 has larger impact resistance, and the buffer also provides larger thrust to the plate while providing buffer, thereby ensuring that the plate can be accurately and quickly positioned.

One end of the rodless cylinder 18 is hinged to the operating machine 4, and a lifting cylinder 17 is arranged between the other end of the rodless cylinder and the operating machine 4. The pushing angle of the pushing plate 23 can be changed by the lifting cylinder 17 so as to push the plate more conveniently.

The positioning device 7 comprises blocking fingers which are respectively arranged at the left side and the right side of the workbench 5 and can move in a translation manner, namely a left blocking finger 43 and a right blocking finger 44, wherein lifting stop blocks used for limiting the position of the positioning plate are arranged on the blocking fingers. As shown in fig. 11 and 12, each stop finger has two lifting stops, the left stop finger 43 can move in both X and Y directions, and the right stop finger 44 can move only in the X direction. If the two ends of the plate are provided with right angles, a stop block on the stop finger can be used for positioning, so that the positioning schematic diagram shown in FIG. 11 is realized; if one end of the sheet is at a right angle, two stops on the stop fingers can be used in combination to form the orientation shown in FIG. 12. The positioning is not limited to that shown in fig. 11 and 12, the positioning can be performed by limiting the edges of the plate, and the number of the lifting stop blocks can be adjusted as required.

The pressing beam 2 is connected to the frame 1 through a longitudinal guide rail sliding block mechanism 8, a pressing beam driving motor 10 is arranged on the upper portion of the frame 1, and the pressing beam driving motor 10 is connected with the pressing beam 2 through a linear driving mechanism.

When the plate folding machine works, the plate pushing mechanism 15 and the positioning device 7 work cooperatively to position a plate, the operating machine 4 can send the plate placed on the working table 5 into a gap corresponding to the upper die 14 and the lower die 13, the plate can be pressed between the upper die 14 and the lower die 13 through the movement of the pressing beam 2, then the folding beam 9 works movably, and a folding knife additionally installed on the folding beam 9 can fold the plate; the manipulator 4 with the C-shaped opening 11 enables the plate pushing mechanism 15 to push the plate in the approximate middle of the plate, so that the plate is stressed reasonably, feeding is stable and accurate, and the whole machine tool is compact in structure.

In the above-described configuration, the connection relationship between the vertical drive mechanism 16, the horizontal drive mechanism 12, and the roof side rail 9 is the same as that disclosed in publication No. CN 105921572A. The pressing mechanism 22 has the same structure as that disclosed in publication No. CN 205914593U.

The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.

Claims (8)

1. A full-electric servo flanging machine comprises a frame, wherein a pressing beam capable of sliding up and down is arranged on the front side of the frame, an upper die holder is arranged on the lower side of the pressing beam, an upper die is arranged on the upper die holder, and a lower die is arranged on the frame through a lower die holder; the frame is provided with a longitudinal driving mechanism for driving the flanging beam to swing up and down and a transverse driving mechanism for driving the flanging beam to swing back and forth; the method is characterized in that: the frame side is equipped with a workstation, and the one side that is close to mould and lower mould on the workstation is equipped with positioner, be equipped with the operating machine that has the open-ended of C shape on the workstation, be equipped with a push pedal mechanism that is used for propelling movement plate on the operating machine, be equipped with between the open-ended upper and lower oral area of C shape and compress tightly rotary transmission mechanism, the workstation is fixed on the frame, and the operating machine slidable ground is installed on the frame.

2. An all-electric servo hemming machine according to claim 1 wherein: the base is provided with two parallel horizontal guide rails, the bottom of the manipulator is provided with a bottom plate, the lower side of the bottom plate is arranged on the horizontal guide rails through a horizontal sliding block in a sliding mode, a lead screw is arranged between the two horizontal guide rails, the lead screw is arranged on the base through a bearing seat, the end of the lead screw shaft is in transmission connection with a lead screw driving motor, and a lead screw nut which is arranged in a meshed mode with the lead screw is arranged on the lower side of the bottom plate through a connecting piece.

3. An all-electric servo hemming machine according to claim 1 or 2 wherein: the pressing rotary transmission mechanism comprises a pressing mechanism and a rotating mechanism, the pressing mechanism is arranged on the upper side of the opening part of the C-shaped opening, and an upper pressing head extending downwards is arranged on the pressing mechanism; the rotating mechanism is arranged at the lower side of the opening part of the C-shaped opening, and a lower pressing head which extends upwards and corresponds to the upper pressing head is arranged on the rotating mechanism.

4. An all-electric servo hemming machine according to claim 3 wherein: the rotating mechanism comprises a rotating shaft, a lower pressing head is fixed at the upper end of the rotating shaft, the lower end of the rotating shaft is in transmission connection with a speed reducer, an encoder is arranged at the shaft end of the speed reducer, the rotating shaft and the speed reducer are integrally installed at the end part of the operating machine through an installation support, a rotary driving motor is further installed on the installation support, and the rotary driving motor is in transmission connection with the speed reducer through a synchronous belt.

5. An all-electric servo hemming machine according to claim 1, 2 or 4 wherein: the push plate mechanism comprises a rodless cylinder, a push plate and an oil pressure buffer, a cylinder slide block of the rodless cylinder is connected with a buffer shell of the oil pressure buffer through a connecting plate, connecting screw rods connected with the push plate are respectively arranged on two sides of the buffer shell, a buffer spring is sleeved on each connecting screw rod, and the buffer spring is supported between the buffer shell and the push plate; the end part of the piston of the hydraulic buffer is provided with a buffer head extending towards the push plate.

6. An all-electric servo hemming machine according to claim 5 wherein: one end of the rodless cylinder is hinged to the operating machine, and a lifting cylinder is arranged between the other end of the rodless cylinder and the operating machine.

7. An all-electric servo hemming machine according to claim 5 wherein: the positioning device comprises blocking fingers which are respectively arranged at the left side and the right side of the workbench and can move in a translation manner, and lifting stop blocks used for limiting the position of the positioning plate are arranged on the blocking fingers.

8. An all-electric servo hemming machine according to claim 1 or 2 or 4 or 6 or 7 wherein: the pressing beam is connected to the rack through a longitudinal guide rail sliding block mechanism, a pressing beam driving motor is arranged on the upper portion of the rack, and the pressing beam driving motor is connected with the pressing beam through a linear driving mechanism.

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