CN104307944A - Full-automatic numerical control bending machine - Google Patents
Full-automatic numerical control bending machine Download PDFInfo
- Publication number
- CN104307944A CN104307944A CN201410551019.5A CN201410551019A CN104307944A CN 104307944 A CN104307944 A CN 104307944A CN 201410551019 A CN201410551019 A CN 201410551019A CN 104307944 A CN104307944 A CN 104307944A
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- Prior art keywords
- axis
- cylinder
- full
- numerical control
- blanking
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a full-automatic numerical control bending machine and belongs to the field of engineering machines. The full-automatic numerical control bending machine mainly comprises a rack, wherein a conveying device, a bending device and a discharging device which are mutually matched are arranged at the bottom part of the rack; the conveying device comprises a conveying platform, a conveying air cylinder is arranged on the conveying platform and the conveying air cylinder is connected with a conveying push plate; the bending device comprises an upper working platform, a lower working platform and a pressure cylinder, the upper working platform is connected with a piston of the pressure cylinder, the lower working platform is correspondingly connected with the conveying platform, the pressure cylinder and an upper die are arranged on the upper working platform, and a lower die matched with the upper die is arranged on the lower working platform; the discharging device comprises a discharging air cylinder and a discharging slide way. The full-automatic numerical control bending machine has the advantages that the structure is simple, the efficiency is high, the energy consumption is low, the automatic charging, positioning, bending and discharging of parts are realized, the labor intensity of workers and the production cost are reduced, and safety accidents are prevented from occurring. The full-automatic numerical control bending machine is mainly used for bending parts.
Description
Technical field
The invention belongs to engineering machinery field, specifically, particularly relate to a kind of full-automatic numerical control bender.
Background technology
Bender is when processing parts, and usually need material loading, location, bending and blanking four steps, at present, people need adopt mode manually to complete.This operating type improves the labour intensity of workman, and production efficiency is low.Meanwhile, bender volume is large, inconvenient operation, and add man-hour what carry out parts in small batch, production cost is high, and efficiency is low.And, also there is larger potential safety hazard during manual operation bender.Along with the raising of industrial automation level, those skilled in the art attempt inventing semi-automatic and small-sized bender, to reduce manual operation, reduce costs, raise the efficiency, but effect is unsatisfactory.Existing bender, automaticity is low, and major part all needs manually to complete the operations such as material loading, location and blanking, does not fully liberate labour.
Summary of the invention
The object of the invention is to overcome above-mentioned defect, provide a kind of full-automatic numerical control bender, this bender is with low cost, and efficiency is high, and energy consumption is low, can realize the full-automatic bending of part, time saving and energy saving.
Described full-automatic numerical control bender, comprises frame, is provided with the pay-off, apparatus for bending and the blanking device that cooperatively interact bottom frame; Described pay-off comprises material conveying platform, and material conveying platform is provided with feeding cylinder, and feeding cylinder is connected with feeding push pedal; Described apparatus for bending comprises workbench, lower workbench and pressurized cylinder, upper workbench is connected with the piston of pressurized cylinder, lower workbench is corresponding with material conveying platform to be connected, and upper workbench is provided with pressurized cylinder and patrix, and lower workbench is provided with the counterdie coordinated with patrix; Blanking device comprises blanking cylinder and blanking slideway.
Further, described material conveying platform is provided with feed box.
Further, described frame comprise be mutually permanently connected front apron, upper cover plate and both sides side plate, the cylinder top of pressurized cylinder is fixedly connected with upper cover plate, and lower workbench is fixedly connected with the side plate of both sides.
Further, be provided with blanking proximity switch below blanking cylinder, the piston rod of blanking cylinder is provided with blanking push pedal.
Further, the two ends of upper workbench are respectively equipped with guide rail.
Further, be provided with control device in frame, control device comprises X-axis control device and Y-axis control device, and X-axis control device and Y-axis control device are fixedly mounted on side plate respectively by X-axis stepper motor seat and y-axis stepper motor seat; Described X-axis control device comprises X-axis stepper motor, the output of X-axis stepper motor is provided with X-axis leading screw, X-axis leading screw is fixedly connected with backboard by connecting plate, and the both sides of backboard are arranged on X-axis guide rail respectively by X-axis slide block, and X-axis guide rail is fixedly mounted on side plate; Described Y-axis control device comprises y-axis stepper motor, the output of y-axis stepper motor is provided with Y-axis leading screw, Y-axis leading screw is provided with leading screw connecting plate, and the tail end of leading screw connecting plate is provided with and presses down proximity switch, presses down proximity switch and coordinates with the Y-axis locating piece at upper workbench rear portion; Be provided with Y-axis guide rail below y-axis stepper motor, leading screw connecting plate is fixedly connected with the Y-axis slide block on Y-axis guide rail.
Further, the two ends of X-axis guide rail and Y-axis guide rail are respectively equipped with proximity switch.
Further, described pressurized cylinder is pneumohydraulic pressure-cylinder.
Further, described patrix comprises pressing mold and clamping.
Compared with prior art, the invention has the beneficial effects as follows:
1, structure of the present invention is simple, and efficiency is high, and energy consumption is low, realizes the automatic charging of part, location, bending and blanking, reduces labour intensity and the production cost of workman, avoids the generation of security incident;
2, the present invention is by control device, and part can realize full-automatic bending, and the angle of bending and intensity all energy all-digitized demodulator, liberate manpower, improve production efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of X-axis control device;
Fig. 3 is the structural representation of Y-axis control device;
Fig. 4 is the structural representation of control device of the present invention;
Fig. 5 is the structural representation of pay-off;
Fig. 6 is the structural representation of apparatus for bending;
Fig. 7 is the structural representation of blanking device;
Fig. 8 is the structural representation of air-channel system of the present invention;
Fig. 9 is control module schematic diagram of the present invention.
In figure, 1, frame; 11, side plate; 12, upper cover plate; 13, front apron; 14, electric cabinet; 2, apparatus for bending; 21, pneumohydraulic pressure-cylinder; 22, upper workbench; 23, guide rail; 24, clamping; 25, pressing mold; 26, counterdie; 27, lower workbench; 28, Y-axis locating piece; 3, blanking device; 31, blanking slideway; 32, blanking proximity switch; 33, blanking push pedal; 34, blanking cylinder; 4, pay-off; 41, material conveying platform; 42, feed box; 43, feeding push pedal; 44, feeding cylinder; 45, bracing frame; 46, feeding proximity switch; 5, X-axis control device; 51, X-axis guide rail; 52, X-axis slide block; 53, backboard; 54, X-axis stepper motor; 55, leading screw seat; 56, X-axis leading screw; 57, proximity switch before X-axis; 58, proximity switch after X-axis; 59, X-axis stepper motor seat; 510, connecting plate; 6, Y-axis control device; 61, y-axis stepper motor; 62, Y-axis leading screw; 63, leading screw connecting plate; 64, proximity switch in Y-axis; 65, proximity switch under Y-axis; 66, Y-axis guide rail; 67, Y-axis slide block; 68, proximity switch is pressed down; 69, y-axis stepper motor seat; 71, source of the gas; 72, air processor; 73, magnetic valve A; 74, magnetic valve B; 75, magnetic valve C; 76, magnetic valve D.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, full-automatic numerical control bender comprises frame 1, is provided with the pay-off 4, apparatus for bending 2 and the blanking device 3 that cooperatively interact bottom frame 1.
As shown in Figure 1 and Figure 5, described pay-off 4 comprises material conveying platform 41, is provided with bracing frame 45 bottom material conveying platform 41, and material conveying platform 41 is provided with feeding cylinder 44 and feed box 42, the rear of feed box 42 is provided with feeding proximity switch 46, and feeding cylinder 44 is connected with feeding push pedal 43; Before work, material overlays in feed box 42, during feeding, feeding cylinder 44 piston extends, and drive feeding push pedal 43 to move forward, the material that feeding push pedal 43 promotes the bottom in feed box 42 moves in apparatus for bending 2, feeding cylinder 44 piston retraction afterwards, drive feeding push pedal 43 to move backward, when feed box 42 is left in feeding push pedal 43, the next material in feed box 42 is fallen on material conveying platform 41.When feeding proximity switch 46 is blocked, apparatus for bending 2 stops workpiece, when feeding push pedal 43 is regained, feeding proximity switch 46 and feeding push pedal 43 away from, apparatus for bending 2 just proceeds flexing movement.
As shown in figures 1 to 6, described apparatus for bending 2 comprises workbench 22, lower workbench 27 and pneumohydraulic pressure-cylinder 21, upper workbench 22 is connected with the piston of pneumohydraulic pressure-cylinder 21, the two ends of upper workbench 22 are respectively equipped with guide rail 23, lower workbench 27 is corresponding with material conveying platform 41 to be connected, upper workbench 22 is provided with patrix, and described patrix comprises pressing mold 25 and clamping 24, and lower workbench 27 is provided with the counterdie 26 coordinated with patrix; Described frame 1 comprise be mutually permanently connected front apron 13, upper cover plate 12 and both sides side plate 11, the cylinder top of pneumohydraulic pressure-cylinder 21 is fixedly connected with upper cover plate 12, and lower workbench 27 is fixedly connected with the side plate 11 of both sides; During work, pneumohydraulic pressure-cylinder 21 drives upper workbench 22 glide along guide rail 23 and rise, and completes flexing movement so that more stable.
As shown in Figure 1 and Figure 7, blanking device 3 comprises blanking cylinder 34 and blanking slideway 31, blanking cylinder 34 and blanking slideway 31 are installed on the both sides of lower workbench 27 respectively, are provided with blanking proximity switch 32 below blanking cylinder 34, and the piston rod of blanking cylinder 34 is provided with blanking push pedal 33; During work, after apparatus for bending 2 completes flexing movement and upper workbench 22 resets, blanking cylinder 34 piston extends, material after driving blanking push pedal 33 to promote bending moves, and when material moves to the edge of counterdie 26, glides along blanking slideway 31, fall into rewinding box, blanking cylinder 34 piston retraction afterwards, when blanking push pedal 33 and blanking proximity switch 32 near time, apparatus for bending 2 just can carry out flexing movement.
Control device is provided with in frame 1, the control command source of control device is touch-screen and control button, touch-screen can gather the bending parameter about part of user's input, by stepper motor to bending position with press down stroke and control, thus controls bending technique.
As depicted in figs. 1 and 2, control device comprises X-axis control device 5 and Y-axis control device 6; Described X-axis control device 5 comprises X-axis stepper motor 54, the output of X-axis stepper motor 54 is provided with X-axis leading screw 56, X-axis leading screw 56 afterbody is provided with leading screw seat 55, X-axis leading screw 56 is fixedly connected with backboard 53 by connecting plate 510, the both sides of backboard 53 are arranged on X-axis guide rail 51 respectively by X-axis slide block 52, and the two ends of X-axis guide rail 51 to be respectively equipped with before X-axis proximity switch 58 after proximity switch 57 and X-axis; X-axis stepper motor 54 drives X-axis leading screw 56 to rotate; backboard 53 is driven to locate; thus decision bending position, before X-axis, after proximity switch 57 and X-axis, proximity switch 58 pairs of X-axis control device 5 are protected, and prevent X-axis slide block 52 from coming off and connecting plate bumps against X-axis stepper motor seat 59.
As shown in Figure 1, Figure 3 and Figure 4, described Y-axis control device 6 comprises y-axis stepper motor 61, the output of y-axis stepper motor 61 is provided with Y-axis leading screw 62, Y-axis leading screw 62 is provided with leading screw connecting plate 63, the tail end of leading screw connecting plate 63 is provided with and presses down proximity switch 68, presses down proximity switch 68 and coordinates with the Y-axis locating piece 28 at upper workbench 22 rear portion; Be provided with Y-axis guide rail 66 below y-axis stepper motor 61, leading screw connecting plate 63 is fixedly connected with the Y-axis slide block 67 on Y-axis guide rail 66, and the two ends of Y-axis guide rail 66 to be respectively equipped with in Y-axis proximity switch 64 under proximity switch 65 and Y-axis; Y-axis stepper motor 61 drives Y-axis leading screw 62 to rotate; drive presses down proximity switch 68 and moves along Y-axis; when the Y-axis locating piece in apparatus for bending 2 is close close to when pressing down proximity switch 68; press down stopping; control the stroke of bending mechanical part; thus determining the size of angle, in Y-axis, under proximity switch 65 and Y-axis, proximity switch 64 controls the stroke of Y-axis slide block 67 along Y-axis guide rail 66, protection safety.Timing routine controller controls the material loading of the machine, bending, blanking action order and pitch time, ensures that the machine automatically, in order and circulation execution.When the machine is run, PLC is also responsible for monitoring machine machine performance and proximity switch state, offside warning is passed to alarm and touch-screen, the information such as backboard position and proximity switch position is passed to touch-screen, thus feeds back to user.
The operation principle of air-channel system of the present invention is as follows: as shown in Figure 8, control device completes the control to mechanical part by air-channel system, and air-channel system comprises source of the gas 71, air processor 72, magnetic valve A73, pneumohydraulic pressure-cylinder 21, magnetic valve B74, magnetic valve C75, magnetic valve D76, feeding cylinder 44 and blanking cylinder 34.When bending presses down, magnetic valve A73 controls pneumohydraulic pressure-cylinder 21 upper cylinder piston and extends, and drives lower cylinder depressed fast, complete depressed fast action, rear electromagnetic valve B74 control pneumohydraulic pressure-cylinder 21 hydraulic cylinder and press down, lower cylinder is pressed down further, completes slow pressurization pressing action; Bending reseting procedure, magnetic valve B74 controls pneumohydraulic pressure-cylinder 21 lower cylinder piston and rises, and makes liquid backflow in hydraulic cylinder, complete vertical motion at a slow speed, rear electromagnetic valve A73 control pneumohydraulic pressure-cylinder 21 upper cylinder piston and rise, drive lower cylinder to rise fast, complete quick vertical motion; Feeding process, magnetic valve D76 controls feeding cylinder 44 piston and extends, and is sent into by part in apparatus for bending 2, rear electromagnetic valve D76 control feeding cylinder 44 piston retraction, pay-off 4 resets; Blanking process, magnetic valve C75 controls blanking cylinder 34 piston and extends, and releases rewinding box by part from apparatus for bending 2, rear electromagnetic valve C75 control feeding cylinder 44 piston retraction, blanking device 3 resets.
Claims (9)
1. a full-automatic numerical control bender, is characterized in that: comprise frame (1), and frame (1) bottom is provided with the pay-off (4), apparatus for bending (2) and the blanking device (3) that cooperatively interact; Described pay-off (4) comprises material conveying platform (41), and material conveying platform (41) is provided with feeding cylinder (44), and feeding cylinder (44) is connected with feeding push pedal (43); Described apparatus for bending (2) comprises workbench (22), lower workbench (27) and pressurized cylinder, upper workbench (22) is connected with the piston of pressurized cylinder, lower workbench (27) is corresponding with material conveying platform (41) to be connected, upper workbench (22) is provided with pressurized cylinder and patrix, and lower workbench (27) is provided with the counterdie (26) coordinated with patrix; Blanking device (3) comprises blanking cylinder (34) and blanking slideway (31).
2. full-automatic numerical control bender according to claim 1, is characterized in that: described material conveying platform (41) is provided with feed box (42).
3. full-automatic numerical control bender according to claim 2, it is characterized in that: described frame (1) comprise be mutually permanently connected front apron (13), upper cover plate (12) and both sides side plate (11), the cylinder top of pressurized cylinder is fixedly connected with upper cover plate (12), and lower workbench (27) is fixedly connected with the side plate (11) of both sides.
4. full-automatic numerical control bender according to claim 3, it is characterized in that: blanking cylinder (34) below is provided with blanking proximity switch (32), and the piston rod of blanking cylinder (34) is provided with blanking push pedal (33).
5. full-automatic numerical control bender according to claim 4, is characterized in that: the two ends of upper workbench (22) are respectively equipped with guide rail (23).
6. full-automatic numerical control bender according to any one of claim 1 to 5, it is characterized in that: frame is provided with control device in (1), control device comprises X-axis control device (5) and Y-axis control device (6), and X-axis control device (5) and Y-axis control device (6) are fixedly mounted on side plate (11) respectively by X-axis stepper motor seat (59) and y-axis stepper motor seat (69); Described X-axis control device (5) comprises X-axis stepper motor (54), the output of X-axis stepper motor (54) is provided with X-axis leading screw (56), X-axis leading screw (56) is fixedly connected with backboard (53) by connecting plate (510), the both sides of backboard (53) are arranged on X-axis guide rail (51) respectively by X-axis slide block (52), and X-axis guide rail (51) is fixedly mounted on side plate (11); Described Y-axis control device (6) comprises y-axis stepper motor (61), the output of y-axis stepper motor (61) is provided with Y-axis leading screw (62), Y-axis leading screw (62) is provided with leading screw connecting plate (63), the tail end of leading screw connecting plate (63) is provided with and presses down proximity switch (68), presses down proximity switch (68) and coordinates with the Y-axis locating piece (28) at upper workbench (22) rear portion; Y-axis stepper motor (61) below is provided with Y-axis guide rail (66), and leading screw connecting plate (63) is fixedly connected with the Y-axis slide block (67) on Y-axis guide rail (66).
7. full-automatic numerical control bender according to claim 6, is characterized in that: the two ends of X-axis guide rail (51) and Y-axis guide rail (66) are respectively equipped with proximity switch.
8. full-automatic numerical control bender according to claim 7, is characterized in that: described pressurized cylinder is pneumohydraulic pressure-cylinder (21).
9. full-automatic numerical control bender according to claim 8, is characterized in that: described patrix comprises pressing mold (25) and clamping (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410551019.5A CN104307944B (en) | 2014-10-16 | Full-automatic numerical control bender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410551019.5A CN104307944B (en) | 2014-10-16 | Full-automatic numerical control bender |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104307944A true CN104307944A (en) | 2015-01-28 |
| CN104307944B CN104307944B (en) | 2017-01-04 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170738A (en) * | 2015-10-14 | 2015-12-23 | 界首市迅立达电梯有限公司 | Full-automatic numerically-controlled bending machine |
| CN105436302A (en) * | 2015-12-17 | 2016-03-30 | 山东山和数控设备有限公司 | Numerically-controlled processing integrated machine for copper bar |
| CN106944509A (en) * | 2017-04-01 | 2017-07-14 | 佛山市天箭机械设备有限公司 | A kind of numerical control tubing bend molding apparatus |
| CN107838235A (en) * | 2017-11-29 | 2018-03-27 | 无锡职业技术学院 | A kind of high-efficiency high-accuracy bender |
| CN107962765A (en) * | 2017-12-19 | 2018-04-27 | 深圳市智立方自动化设备有限公司 | A kind of device and method of full-automatic bending attachment |
| CN109954780A (en) * | 2019-04-25 | 2019-07-02 | 冯润创 | A kind of stamping device for sheet fabrication |
| CN112191712A (en) * | 2020-09-24 | 2021-01-08 | 肖冬梅 | Hollow aluminium system door handle bending device |
| CN116493451A (en) * | 2023-06-28 | 2023-07-28 | 笑聪精密机械(苏州)有限公司 | Bending machine tool for machining electric control cabinet |
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| CN102909244A (en) * | 2012-09-12 | 2013-02-06 | 银都餐饮设备股份有限公司 | Four-side bending system |
| CN204996891U (en) * | 2015-07-29 | 2016-01-27 | 山东临工工程机械有限公司 | Full -automatic numerical control bending machine |
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| JPS59193721A (en) * | 1983-04-18 | 1984-11-02 | Chiyoda Kogyo Kk | Control device for bender |
| CN2688409Y (en) * | 2004-03-24 | 2005-03-30 | 中国重型汽车集团有限公司 | Digitally controlled bender for longitudinal beam of chassis |
| CN201094975Y (en) * | 2007-08-13 | 2008-08-06 | 周宏� | Reaction type angle control digital control plate bender |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170738A (en) * | 2015-10-14 | 2015-12-23 | 界首市迅立达电梯有限公司 | Full-automatic numerically-controlled bending machine |
| CN105170738B (en) * | 2015-10-14 | 2018-08-14 | 界首市迅立达电梯有限公司 | A kind of full-automatic numerical control bender |
| CN105436302A (en) * | 2015-12-17 | 2016-03-30 | 山东山和数控设备有限公司 | Numerically-controlled processing integrated machine for copper bar |
| CN106944509A (en) * | 2017-04-01 | 2017-07-14 | 佛山市天箭机械设备有限公司 | A kind of numerical control tubing bend molding apparatus |
| CN107838235A (en) * | 2017-11-29 | 2018-03-27 | 无锡职业技术学院 | A kind of high-efficiency high-accuracy bender |
| CN107838235B (en) * | 2017-11-29 | 2023-06-06 | 无锡职业技术学院 | High-efficient high accuracy bender |
| CN107962765A (en) * | 2017-12-19 | 2018-04-27 | 深圳市智立方自动化设备有限公司 | A kind of device and method of full-automatic bending attachment |
| CN107962765B (en) * | 2017-12-19 | 2023-07-04 | 深圳市智立方自动化设备股份有限公司 | Full-automatic bending and mounting device and method |
| CN109954780A (en) * | 2019-04-25 | 2019-07-02 | 冯润创 | A kind of stamping device for sheet fabrication |
| CN112191712A (en) * | 2020-09-24 | 2021-01-08 | 肖冬梅 | Hollow aluminium system door handle bending device |
| CN116493451A (en) * | 2023-06-28 | 2023-07-28 | 笑聪精密机械(苏州)有限公司 | Bending machine tool for machining electric control cabinet |
| CN116493451B (en) * | 2023-06-28 | 2023-10-03 | 笑聪精密机械(苏州)有限公司 | Bending machine tool for machining electric control cabinet |
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