CN211360183U - Pure electric servo numerical control bending machine - Google Patents
Pure electric servo numerical control bending machine Download PDFInfo
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- CN211360183U CN211360183U CN201922345527.9U CN201922345527U CN211360183U CN 211360183 U CN211360183 U CN 211360183U CN 201922345527 U CN201922345527 U CN 201922345527U CN 211360183 U CN211360183 U CN 211360183U
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Abstract
The utility model provides a pure electric servo numerical control bender, including frame, slide and drive arrangement and grating chi, the slide with guider sliding connection is passed through to the frame, the drive arrangement drive the slide slides, drive arrangement is including being fixed in the first servo motor, second servo motor, third servo motor and the fourth servo motor of frame, respectively with first servo electric jar, the servo electric jar of second, third, fourth servo motor's output shaft passes through the first servo electric jar, the servo electric jar of second, the servo electric jar of third and the servo electric jar of fourth that the hold-in range is connected, the slide with the piston rod of first, second, third, the servo electric jar is connected. The utility model provides a pure electric servo numerical control bender has the precision of bending height, the power of bending is big, energy-conservation, characteristics such as pollution-free.
Description
Technical Field
The utility model relates to a bender technical field, in particular to electricelectric servo numerical control bender.
Background
The bending machine is a mechanical device commonly used by mechanical device production enterprises and is mainly used for machining sheet metal parts. At present, various industries are rapidly developed, and various electric appliance boxes, aluminum curtain walls and communication and entertainment tools are various in types and huge in yield. Such as: various palm machines: game boy, PSP, NDSL, GBA; various mobile phones: an economy type mobile phone, a business type mobile phone, a smart phone, a photo type mobile phone, a game type mobile phone, a music type mobile phone, and the like. The housings of these products all share common features: the bending die is a thin plate with small overall dimension (length and width), the bending precision requirement is high, and the pursuit of workpiece cost is low.
In the prior art, the bending machine mainly adopts an electro-hydraulic servo numerical control bending machine, uses a hydraulic device for bending, has the advantage of large bending force, but has low processing precision, and the hydraulic device can not effectively adjust the speed of pressing down the upper die of the bending machine, has low speed and has low bending production efficiency; hydraulic oil is needed to be used for the hydraulic device, the operating oil temperature is high, overheating and leakage phenomena occur, and the failure rate is high; secondly, the motor and the oil pump of the hydraulic device are in the running process, the noise is large, and the energy consumption is large. Compared with an electro-hydraulic numerical control bending machine, the pure electric servo numerical control bending machine has the characteristic of high precision, and the technical defect of a hydraulic device is overcome.
In view of the above, it is necessary to provide a new bending machine to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a pure electric servo numerical control bender, have the precision of bending high, the power of bending big, energy-conserving, characteristics such as pollution-free.
In order to solve the above problem, the technical scheme of the utility model is as follows:
the utility model provides a pure electric servo numerical control bender, includes frame, slide and drive arrangement, the slide with the frame passes through guider sliding connection, the drive arrangement drive the slide slides, drive arrangement is including being fixed in the first servo motor, second servo motor, third servo motor and the fourth servo motor of frame, respectively with first servo electronic jar, second servo electronic jar, third servo electronic jar and the servo electronic jar of fourth that first, second, third, fourth servo motor's output shaft passes through hold-in range and connects, the slide with the piston rod of first, second, third, fourth servo electronic jar is connected.
Further, the slide plate comprises a first recess and a second recess formed on both sides thereof, the first servo electric cylinder is fixed to the first recess, and the fourth servo electric cylinder is fixed to the second recess; the sliding plate is located a first mounting hole and a second mounting hole are formed between the first sunken portion and the second sunken portion, and the second servo electric cylinder and the third servo electric cylinder are fixed to the first mounting hole and the second mounting hole respectively.
Further, the rack comprises a left vertical plate, a right vertical plate, a supporting beam connecting the left vertical plate and the right vertical plate, and four mounting rib plates arranged on the left vertical plate, the right vertical plate and the supporting beam, the first servo motor, the second servo motor, the third servo motor and the fourth servo motor are mounted on the supporting beam, and the first servo motor, the second servo motor, the third servo motor and the fourth servo motor are mounted on the mounting rib plates at corresponding positions.
And further, the rack further comprises a grating ruler, wherein the grating ruler comprises a first grating ruler and a second grating ruler, and the first grating ruler and the second grating ruler are distributed on two sides of the rack.
Furthermore, the rear positioning device comprises two groups of X-axis positioning devices fixed on the left vertical plate and the right vertical plate, R-axis positioning devices correspondingly connected with the two groups of X-axis positioning devices, a cross beam connected with the two groups of R-axis positioning devices, a finger blocking device connected with the cross beam and capable of sliding along the extension direction of the cross beam, and a pneumatic spring connected with the X-axis positioning devices and the R-axis positioning devices.
Further, including keep off indicate the device include with crossbeam sliding connection's mounting panel, locate the mounting panel and for the gliding sliding plate of mounting panel, locate mounting panel tip and be used for adjusting the mounting panel with sliding plate relative position's adjusting screw, with sliding plate one end be connected and with adjusting screw sets up relatively keep off indicate, and run through the sliding plate for the eccentric fender post of adjusting a position, keep off indicate including with sliding plate tip rotatable coupling keep off indicate the back end, with keep off indicate the back end be connected and be the step distribution first grade keep off indicate, second grade keep off indicate and tertiary fender indicate.
Further, the power of the first, second, third and fourth servo motors is 11 Kw.
Compared with the prior art, the utility model provides a pure servo numerical control bender, beneficial effect lies in:
one, the utility model discloses a pure electric servo numerical control bender adopts servo electronic jar drive slide, compares hydraulic cylinder in prior art, energy-conservation, environmental protection.
Two, the utility model discloses a pure electric servo numerical control bender adopts four servo motor and four servo electronic jar cooperations, adopts less servo motor power can provide great torque to provide great power of bending.
Three, the utility model discloses a pure electric servo numerical control bender, control system carry out tertiary comparison and compensation with the displacement volume of four servo electronic jars, make four servo electronic jar displacement volumes unanimous, have improved the precision of bending.
Four, the utility model discloses a pure electric servo numerical control bender is connected pneumatic spring between X axle positioner and the R axle positioner among the back positioner for balanced beam's weight is favorable to reducing R axle positioner's drive arrangement's transmission power, the energy saving.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a pure electric servo numerical control bending machine provided by the present invention;
FIG. 2 is a schematic view of another angle structure of the pure electric servo numerical control bending machine shown in FIG. 1;
FIG. 3 is a schematic view of a further angle of the pure electric servo numerical control bending machine shown in FIG. 1;
FIG. 4 is a schematic structural diagram of a frame in the pure electric servo numerical control bending machine shown in FIG. 1;
FIG. 5 is a schematic structural diagram of a servo electric cylinder in the pure electric servo numerical control bending machine shown in FIG. 1;
fig. 6 is a schematic structural diagram of a control system in the pure electric servo numerical control bending machine shown in fig. 1;
fig. 7 is a schematic structural diagram of a finger stopping device in the pure electric servo numerical control bending machine shown in fig. 2;
fig. 8 is a cross-sectional view of the finger stop device of fig. 7 taken along line B-B.
Detailed Description
In order to make the technical solution in the embodiments of the present invention better understood and make the above objects, features and advantages of the present invention more obvious and understandable, the following description of the embodiments of the present invention is provided with reference to the accompanying drawings.
It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a pure electric servo numerical control bending machine according to the present invention; FIG. 2 is a schematic view of another angle structure of the pure electric servo numerical control bending machine shown in FIG. 1; fig. 3 is a schematic structural diagram of another angle of the pure electric servo numerical control bending machine shown in fig. 1. The utility model discloses a pure electric servo numerical control bender 100 includes frame 1, slide 2, mould 3, drive arrangement 4, grating chi, control system 6, back positioner 7, and the following structure to each part is elaborated on in detail.
Please refer to fig. 4, which is a schematic structural diagram of a frame of the pure electric servo numerical control bending machine shown in fig. 1. The machine frame 1 comprises a left vertical plate 11 and a right vertical plate 12 which are arranged oppositely, a workbench vertical plate 13 fixed between the left vertical plate 11 and the right vertical plate 12, a supporting cross beam 14 connected with the left vertical plate 11 and the right vertical plate 12, and four mounting rib plates 15 arranged on one sides of the left vertical plate 11, the right vertical plate 12 and the supporting cross beam 14, wherein the workbench vertical plate 13 is used for fixing a workbench surface, and the supporting cross beam 14 and the mounting rib plates 15 are combined for mounting the driving device 4.
And brass and graphite guide devices are arranged on the same side of the left vertical plate 11 and the right vertical plate 12, the sliding plate 2 is in sliding connection with the brass and graphite guide devices, and the driving device 4 drives the sliding plate to move up and down along the brass and graphite guide devices.
The die 3 comprises an upper die 31 and a lower die 32, the upper die 31 is connected with the bottom of the sliding plate 2 through a rotary wrench type quick clamp, and the lower die 32 is combined with a die holder and a die pad and installed on the working table.
The utility model discloses in, drive arrangement 4 adopts the mode of servo motor and the combination of servo electronic jar, and servo electronic jar's piston rod is flexible, drives slide 2 and carries out elevating movement.
Specifically, the driving device 4 includes a first servo motor 41a, a second servo motor 41b, a third servo motor 41c, and a fourth servo motor 41d fixed to the frame 1, and a first servo electric cylinder 43a, a second servo electric cylinder 43b, a third servo electric cylinder 43c, and a fourth servo electric cylinder 43d connected to output shafts of the first, second, third, and fourth servo motors, respectively, through a timing belt 42.
Please refer to fig. 5, which is a schematic structural diagram of a servo electric cylinder in the pure electric servo numerical control bending machine shown in fig. 1. The first servo electric cylinder 43a, the second servo electric cylinder 43b, the third servo electric cylinder 43c and the fourth servo electric cylinder 43d have the same structure, and respectively comprise a screw rod 44, a synchronizing wheel 45 connected with the end of the screw rod 44, and a piston rod 46 sleeved on the screw rod 44 and slidably connected with the screw rod. The internal structure of the servo electric cylinder refers to the prior art and is not described herein.
The synchronizing wheels 45 of the first servo electric cylinder 43a, the second servo electric cylinder 43b, the third servo electric cylinder 43c and the fourth servo electric cylinder 43d are connected to the timing belt 42 of the output shafts of the corresponding first servo motor 41a, the second servo motor 41b, the third servo motor 41c and the fourth servo motor 41d, respectively; the slide plate 2 is connected to the piston rods 46 of the first, second, third, and fourth servo electric cylinders, and the first servo electric cylinder 43a, the second servo electric cylinder 43b, the third servo electric cylinder 43c, and the fourth servo electric cylinder 43d are respectively driven by corresponding servo motors to move the piston rods thereof up and down, thereby driving the slide plate 2 to move up and down under the guiding action of the guiding device.
The utility model discloses in, owing to adopt four servo motor, four servo electronic jar to drive the slide, consequently, can increase drive arrangement's transmission torque under servo motor has the condition of less power, make the utility model discloses a bender has great bending force, if both sides respectively set up a servo electronic jar about the bender, the flexible deformation of slide is big, increases two servo electronic jars again in the middle of the slide, and this is favorable to reducing the deflection of slide, is favorable to the improvement of the precision of bending. Specifically, the utility model discloses in, servo motor's power is 11 Kw.
Corresponding to the design of the driving device 4, the structure of the middle sliding plate of the present invention is different from the structure of the prior art. In the utility model, the slide plate 2 is in a structure of a shape like a Chinese character 'tu', and comprises a first concave part 21 and a second concave part 22 which are formed at two sides of the slide plate, a first servo electric cylinder 43a is fixed at the first concave part 21, and a fourth servo electric cylinder 43d is fixed at the second concave part 22; the sliding plate 2 is provided with a first mounting hole 23 and a second mounting hole 24 between the first recessed portion 21 and the second recessed portion 22, and the second servo electric cylinder 43b and the third servo electric cylinder 43c are respectively fixed to the first mounting hole 23 and the second mounting hole 24, so that the first servo electric cylinder, the second servo electric cylinder, the third servo electric cylinder and the fourth servo electric cylinder can be kept at the same horizontal position, and the sliding plate is convenient to mount.
Correspondingly, a first servo motor 41a, a second servo motor 41b, a third servo motor 41c and a fourth servo motor 41d are respectively mounted on the supporting beam 14, and a first servo electric cylinder 43a, a second servo electric cylinder 43b, a third servo electric cylinder 43c and a fourth servo electric cylinder 43d are respectively mounted on the mounting rib plate 15 at the corresponding positions.
The grating ruler includes a first grating ruler 51 and a second grating ruler 52, and the first grating ruler 51 and the second grating ruler 52 are distributed on two sides of the rack 1, specifically, the first grating ruler and the second grating ruler are respectively arranged on the C-shaped plates of the left vertical plate 11 and the right vertical plate 12, and the positional relationship between the first grating ruler and the C-shaped plates of the left vertical plate 11 and the right vertical plate 12 refers to the prior art, which is not described herein.
The first linear scale 51 is used to detect the displacement amounts of the first servo electric cylinder 43a and the second servo electric cylinder 43b, and the second linear scale 52 is used to detect the displacement amounts of the third servo electric cylinder 43c and the fourth servo electric cylinder 43 dde. The first and second linear scales 51 and 52 transmit the detection information to the control system 6, and the control system 6 controls the rotation speeds of the first, second, third, and fourth servo motors 41a, 41b, 41c, and 41d, so that the displacements of the first, second, third, and fourth servo electric cylinders 43a, 43b, 43c, and 43d are synchronized.
Please refer to fig. 6, which is a schematic structural diagram of a control system in the pure electric servo numerical control bending machine shown in fig. 1. The utility model discloses in, control system 6 includes first comparing element 61, first compensating element 62, second comparing element 63, second compensating element 64, third comparing element 65, third compensating element 66, controller 67.
Wherein:
a first comparing unit 61, configured to receive the data information detected by the first optical grating 51, and compare the displacement amounts of the first servo electric cylinder 43a and the second servo electric cylinder 43b to obtain first comparison information;
a first compensation unit 62, configured to receive the first comparison information provided by the first comparison unit 61, calculate compensation amounts of the first servo electric cylinder 43a and the second servo electric cylinder 43b, synchronize the first servo electric cylinder 43a and the second servo electric cylinder 43b, and output first displacement amount information;
a second comparing unit 63, configured to receive the data information detected by the second linear scale 52, and compare the displacement amounts of the third servo electric cylinder 43c and the fourth servo electric cylinder 43d to obtain second comparison information;
a second compensation unit 64, configured to receive the second comparison information provided by the second comparison unit 63, calculate a compensation amount of the third servo electric cylinder 43c and the fourth servo electric cylinder 43d, synchronize the third servo electric cylinder 43c and the fourth servo electric cylinder 43d, and output second displacement information;
a third comparing unit 65, configured to receive the first displacement information and the second displacement information, and compare the two to obtain third comparison information;
a third compensation unit 66, configured to receive the third comparison information provided by the third comparison unit 65, calculate a compensation amount of the first displacement amount and the second displacement amount, make the first displacement amount and the second displacement amount equal, and output third displacement amount information;
and the controller 67 is used for receiving the third displacement information and controlling the rotating speeds of the first servo motor, the second servo motor, the third servo motor and the fourth servo motor to synchronize the displacement of the first servo electric cylinder, the second servo electric cylinder, the third servo electric cylinder and the fourth servo electric cylinder.
Through the utility model discloses a controlling means 6 can realize four servo motor with the rotational speed, and then realizes that four servo electronic jar displacement amounts equal in real time, has improved the precision of bender.
The rear positioning device 7 comprises two sets of X-axis positioning devices 71 fixed on the left vertical plate 11 and the right vertical plate 12, R-axis positioning devices 72 correspondingly connected with the two sets of X-axis positioning devices 71, a cross beam 73 connected with the two sets of R-axis positioning devices, a finger blocking device 74 connected with the cross beam 73 and capable of sliding along the extending direction of the cross beam, and a pneumatic spring 75 connecting the X-axis positioning devices 71 and the R-axis positioning devices 72.
The utility model discloses in, X axle positioner 71, R axle positioner 72, crossbeam 73 can refer to the relevant partial structure among the prior art, do not do here and describe repeatedly.
Please refer to fig. 7 and 8 in combination, wherein fig. 7 is a schematic structural diagram of a finger stopping device in the pure electric servo numerical control bending machine shown in fig. 2; fig. 8 is a cross-sectional view of the finger stop device of fig. 7 taken along line B-B. The utility model discloses in, keep off and indicate device 74 to be level four and keep off and indicate device, include the mounting panel 741 with crossbeam 73 sliding connection, locate mounting panel 741 and can be for the gliding sliding plate 742 of mounting panel, locate mounting panel 741 tip and the adjusting screw 743 of being connected with sliding plate 742, be connected with sliding plate 742 one end and indicate 744 with the fender that adjusting screw 743 set up relatively, and run through sliding plate 742 and indicate eccentric fender post 745 that the position was adjusted, wherein keep off indicate 744 include with sliding plate 742 tip rotatable coupling keep off indicate back end 7441, indicate back end 7441 with keeping off that the one-level that back end 7441 is connected and be the step distribution to keep off indicate 7442, the second grade keeps off indicates 7443 and tertiary fender indicates 7444.
In the present invention, the mounting plate 741 is provided with a sliding groove, so that the sliding plate 742 can slide relative to the mounting plate 741, and after the position of the sliding plate 742 is adjusted, the sliding plate 742 is fixed by the fastening bolt. The sliding direction of the sliding plate 742 is perpendicular to the extending direction of the cross beam 73, a push-pull plate 747 is connected to the end of the sliding plate 742, and the adjusting screw 743 connects the push-pull plate 747 and the mounting plate 741, so as to adjust the relative positions of the mounting plate 741 and the sliding plate 742. Preferably, a dial 7431 is provided at the end of the adjusting screw 743, and the dial 7431 can realize accurate fine adjustment, thereby further improving the positioning accuracy.
The stop finger rear section 7441 is rotationally connected with the sliding plate 742 through a cylindrical pin 746, the stop finger rear section 7441 rotates to drive the first-stage stop finger 7442, the second-stage stop finger 7443 and the third-stage stop finger 7444 to rotate together, so that the suitable stop finger can be selected for positioning according to the type and specification of the workpiece to be processed; the eccentric fender post 745 that sets up on sliding plate 742 is as keeping off the fourth grade location of indicating 744, in product processing, only need use general mould can, the mould is with low costs, and it is convenient to change, consequently adopts the utility model provides a fourth grade keeps off the finger device can realize adopting general mould to realize that the product of different models, different specifications is crooked, especially super wide product is crooked.
In the present invention, the finger-blocking device 74 can be moved manually or electrically.
The pneumatic spring 75 is used for connecting the X-axis positioning device 71 and the R-axis positioning device 72, and the pneumatic spring 75 is used for balancing the weight of the cross beam 73, so that the transmission power of a driving device of the R-axis positioning device 72 is reduced, and the energy is saved. Specifically, one end of the pneumatic spring 75 is connected to an X-axis slide plate (not numbered) of the X-axis positioning device 71, and the other end is connected to a beam connecting plate (not numbered) of the R-axis positioning device 72.
The utility model discloses a pure electric servo numerical control bender treats through back positioner 7 that the processing work piece advances line location back, and 6 control drive arrangement 4 of control system drive slide 2 carry out elevating movement. The utility model discloses a pure electric servo numerical control bender, stability is good, and the precision of bending is high, makes drive arrangement have great driving torque under servo motor has the condition of less power, and then makes the power of bending of bender improve greatly.
The embodiments of the present invention are described in detail with reference to the drawings, but the present invention is not limited to the described embodiments. Various changes, modifications, substitutions and alterations to these embodiments will occur to those skilled in the art without departing from the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a pure electric servo numerical control bender, includes frame, slide and drive arrangement, the slide with the frame passes through guider sliding connection, the drive arrangement drive the slide slides, a serial communication port, drive arrangement is including being fixed in the first servo motor, second servo motor, third servo motor and the fourth servo motor of frame, respectively with first servo electronic jar, second servo electronic jar, third servo electronic jar and the fourth servo electronic jar that first, second, third, fourth servo motor's output shaft passes through synchronous belt and connects, the slide with the piston rod of first, second, third, fourth servo electronic jar is connected.
2. A pure electric servo numerical control bending machine according to claim 1, wherein the sliding plate comprises a first recess and a second recess formed at both sides thereof, the first servo electric cylinder is fixed to the first recess, and the fourth servo electric cylinder is fixed to the second recess; the sliding plate is located a first mounting hole and a second mounting hole are formed between the first sunken portion and the second sunken portion, and the second servo electric cylinder and the third servo electric cylinder are fixed to the first mounting hole and the second mounting hole respectively.
3. A pure electric servo numerical control bending machine according to claim 1, wherein the machine frame comprises a left vertical plate, a right vertical plate, a supporting beam connecting the left vertical plate and the right vertical plate, and four mounting rib plates arranged on the left vertical plate, the right vertical plate and the supporting beam, the first servo motor, the second servo motor, the third servo motor and the fourth servo motor are mounted on the supporting beam, and the first servo motor, the second servo motor, the third servo motor and the fourth servo motor are mounted on the mounting rib plates at corresponding positions.
4. The pure electric servo numerical control bending machine according to claim 1, further comprising a grating ruler, wherein the grating ruler comprises a first grating ruler and a second grating ruler, and the first grating ruler and the second grating ruler are distributed on two sides of the frame.
5. A pure electric servo numerical control bending machine according to claim 3, further comprising a rear positioning device, wherein the rear positioning device comprises two sets of X-axis positioning devices fixed on the left vertical plate and the right vertical plate, R-axis positioning devices correspondingly connected with the two sets of X-axis positioning devices, a cross beam connected with the two sets of R-axis positioning devices, a finger blocking device connected with the cross beam and capable of sliding along the extending direction of the cross beam, and a pneumatic spring connecting the X-axis positioning devices and the R-axis positioning devices.
6. A pure electric servo numerical control bending machine according to claim 5, characterized by comprising a blocking finger device, a sliding plate, an adjusting screw, a blocking finger and an eccentric blocking column, wherein the mounting plate is slidably connected with the beam, the sliding plate is arranged on the mounting plate and can slide relative to the mounting plate, the adjusting screw is arranged at the end part of the mounting plate and is used for adjusting the relative position of the mounting plate and the sliding plate, the blocking finger is connected with one end of the sliding plate and is arranged opposite to the adjusting screw, the eccentric blocking column penetrates through the sliding plate and is used for adjusting the position, and the blocking finger comprises a blocking finger rear section which is rotatably connected with the end part of the sliding plate, and a primary blocking finger, a secondary blocking finger and a tertiary blocking finger which are connected with.
7. A purely servo numerical control bending machine according to any one of claims 1 to 6, characterized in that the power of said first, second, third and fourth servo motors is 11 Kw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922345527.9U CN211360183U (en) | 2019-12-24 | 2019-12-24 | Pure electric servo numerical control bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922345527.9U CN211360183U (en) | 2019-12-24 | 2019-12-24 | Pure electric servo numerical control bending machine |
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| Publication Number | Publication Date |
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| CN211360183U true CN211360183U (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922345527.9U Active CN211360183U (en) | 2019-12-24 | 2019-12-24 | Pure electric servo numerical control bending machine |
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| CN (1) | CN211360183U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113877994A (en) * | 2021-09-22 | 2022-01-04 | 深圳市合信自动化技术有限公司 | Fully-electrically-driven bending machine |
-
2019
- 2019-12-24 CN CN201922345527.9U patent/CN211360183U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113877994A (en) * | 2021-09-22 | 2022-01-04 | 深圳市合信自动化技术有限公司 | Fully-electrically-driven bending machine |
| CN113877994B (en) * | 2021-09-22 | 2024-01-16 | 深圳市合信自动化技术有限公司 | All-electric-drive bending machine |
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