CN108856378B - Back stop device for bending machine - Google Patents
Back stop device for bending machine Download PDFInfo
- Publication number
- CN108856378B CN108856378B CN201810996697.0A CN201810996697A CN108856378B CN 108856378 B CN108856378 B CN 108856378B CN 201810996697 A CN201810996697 A CN 201810996697A CN 108856378 B CN108856378 B CN 108856378B
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- frame
- transmission device
- ball screw
- belt pulley
- sliding
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Classifications
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- 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/002—Positioning devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Abstract
The invention discloses a rear material blocking device for a bending machine, belongs to the technical field of bending machines, and solves the problems that the rear material blocking device of a traditional bending machine in the prior art is low in degree of freedom, poor in positioning precision and complex in operation, and cannot meet the requirements of modern machining precision. The technical scheme adopted is as follows: the device comprises a frame, a lifting transmission device, a rear material blocking mechanism, a front transmission device, a rear transmission device, a left transmission device and a right transmission device, wherein the front transmission device and the rear transmission device are arranged on the frame and are positioned above the lifting transmission device; the left and right transmission devices are arranged above the front and rear transmission devices and can drive the rear material blocking mechanism to move left and right; the device structural design is reasonable, uses portably, has reduced operation intensity of labour, and equipment degree of freedom is high, can realize back-and-forth, control, up-and-down motion, has guaranteed the positioning accuracy in the panel beating shaping process to can control the positional data of work piece in real time.
Description
Technical Field
The invention relates to the technical field of bending machines, in particular to a rear stop device for a bending machine.
Background
The bending machine is mechanical equipment capable of bending a thin plate, the common bending machine structure generally comprises a support, a workbench and a clamping plate, the workbench is arranged on the support and consists of a base and a pressing plate, the base is connected with the clamping plate through a hinge and consists of a base shell, a coil and a cover plate, the coil is arranged in a concave of the base shell, and the cover plate is covered on the top of the concave. When in use, the coil is electrified by the lead, and attractive force is generated to the pressing plate after the coil is electrified, so that the clamping of the thin plate between the pressing plate and the base is realized. Because electromagnetic force clamping is adopted, the pressing plate can be made into various workpiece requirements, and workpieces with side walls can be processed, so that the operation and the use are simple and convenient.
Along with the continuous maturation and wide use of numerical control technology, the machining precision of bender gradually improves, and application scope is more and more extensive.
One of the mechanical auxiliary devices frequently used on the bending machine is a rear material blocking device, the positioning accuracy of the traditional rear material blocking device in the sheet metal forming process is poor, the operation is complex, and the position data of a workpiece cannot be randomly adjusted according to the sheet metal forming requirement because the degree of freedom of the rear material blocking device is low, so that the technical problem that needs to be solved by the technical staff in the field is solved is how to design the rear material blocking device for the bending machine, wherein the degree of freedom is high, the positioning accuracy is high, and the operation is simple.
Disclosure of Invention
The invention aims at overcoming the defects, and provides a rear material blocking device for a bending machine, which can solve the problems that the rear material blocking device of the traditional bending machine in the prior art has low degree of freedom, poor positioning precision and complex operation, and cannot meet the requirements of modern machining precision.
The technical scheme adopted for solving the technical problems is as follows:
the rear material blocking device for the bending machine comprises a frame, a lifting transmission device and a rear material blocking mechanism, wherein the rear material blocking mechanism comprises a front transmission device, a rear transmission device, a left transmission device and a right transmission device, and the front transmission device and the rear transmission device are arranged on the frame and are positioned above the lifting transmission device; the left and right transmission devices are arranged above the front and rear transmission devices and can drive the rear material blocking mechanism to move left and right;
the lifting transmission device comprises a lifting motor, a driving belt wheel I, a driven belt wheel I, a ball screw I, a sliding rail I and a sliding block seat I, wherein the lifting motor and the sliding rail I are fixedly arranged on a bending machine through bolts, the driving belt wheel I which can rotate along with the main shaft is arranged on a main shaft of the lifting motor, the driven belt wheel I is fixedly connected with the ball screw I, the driving belt wheel I transmits power to the driven belt wheel I through a toothed belt, and the driven belt wheel I rotates to drive the ball screw I to rotate; the sliding block seats I are symmetrically and fixedly arranged on the outer side of the side plate of the machine frame, the shaft sleeve on the ball screw I is fixedly connected with the side plate of the machine frame, and the rotation of the ball screw I can drive the machine frame to move up and down along the sliding rail I;
the left-right transmission device comprises a sliding table, a sliding rail II, a sliding block seat II, a gear, a rack and a left-right moving motor, wherein the sliding rail II and the rack are fixedly arranged on the sliding table through bolts; a gear capable of rotating along with the main shaft is arranged on the left-right moving motor main shaft, and the gear and the rack are matched for transmission to drive the rear material blocking mechanism to move left and right on the sliding table along the sliding rail II;
the front-back transmission device comprises a front-back moving motor, a driving belt pulley II, a driven belt pulley II, a ball screw II, a sliding rail III and a sliding block seat III, wherein the front-back moving motor is fixedly arranged on the inner side of a side plate of the frame, a main shaft of the front-back moving motor is provided with the driving belt pulley II which can rotate along with the main shaft, the driven belt pulley II is fixedly connected with the ball screw II, two end parts of the ball screw II are fixedly arranged on the bottom surface of a top plate of the frame through bearing seats, the driving belt pulley II transmits power to the driven belt pulley II through a toothed belt, and the driven belt pulley II rotates to drive the ball screw II to rotate; be provided with slide rail III on the bottom surface of frame roof, be provided with slider seat III on the slide rail III, set firmly the movable plate on the slider seat III, the both ends and the slip table of movable plate set firmly link to each other, and the axle sleeve on ball II sets firmly with the movable plate and links to each other, and ball II rotates and can drive the movable plate and reciprocate along slide rail III.
A supporting frame is arranged between the sliding table and the moving plate, and the supporting frame fixedly connects the sliding table with the moving plate.
The frame roof sets up between support frame and movable plate.
The frame roof links to each other through the bolt setting firmly with the one end of frame curb plate, and the other end links to each other through supporting link setting firmly, and supporting link forms triangle-shaped frame construction with frame roof and frame curb plate.
The slide rail I symmetry sets up in ball I's both sides, and the III symmetry sets up in ball II's both sides of slide rail.
The number of the sliding block seats I is 2-6, and the number of the sliding block seats II is 2-4.
Compared with the prior art, the rear stop device for the bending machine has the following beneficial effects:
1. the support connecting rod, the rack top plate and the rack side plates form a triangular frame structure, and the support connecting rod has the advantages of stable structure and high stability;
2. the rear material blocking device for the bending machine has the functions of up-down, front-back, left-right adjustment, high equipment freedom, wide application range and high positioning precision, and is suitable for forming and processing boards with different specifications and thicknesses;
3. the driving belt wheel I and the driven belt wheel I and the driving belt wheel II and the driven belt wheel II are driven by toothed belts, and the gear has the advantages of no sliding during working, accurate transmission ratio, high transmission efficiency, good energy-saving effect, large transmission ratio range and compact structure;
4. the device has reasonable structural design, convenient use, reduced labor intensity of operation and high degree of freedom of equipment, can realize front-back, left-right and up-down movement, ensures the positioning precision in the sheet metal forming process, and can control the position data of a workpiece in real time; therefore, has good popularization and use value.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the whole machine structure of a rear stop device for a bending machine;
FIG. 2 is a schematic rear view of the structure of FIG. 1;
fig. 3 is a schematic view of the bottom structure of fig. 1.
In the figure: 1. driving pulley I, 2, driven pulley I, 3, ball I, 4, slide rail I, 5, slide block seat I, 6, frame curb plate, 7, slip table, 8, slide rail II, 9, slide block seat II, 10, rack, 11, motor cabinet, 12, back-and-forth movement motor, 13, driving pulley II, 14, driven pulley II, 15, ball II, 16, slide rail III, 17, slide block seat III, 18, frame roof, 19, movable plate, 20, support frame, 21, support connecting rod, 22, back stop mechanism.
Detailed Description
The invention will be further described with reference to the drawings and the specific examples.
Example 1:
the invention relates to a rear material blocking device for a bending machine, which comprises a frame, a lifting transmission device and a rear material blocking mechanism, wherein the rear material blocking mechanism comprises a front transmission device, a rear transmission device, a left transmission device and a right transmission device; the left and right transmission devices are arranged above the front and rear transmission devices and can drive the rear material blocking mechanism to move left and right;
the lifting transmission device comprises a lifting motor, a driving belt pulley I1, a driven belt pulley I2, a ball screw I3, a sliding rail I4 and a sliding block seat I5, wherein the lifting motor and the sliding rail I4 are fixedly arranged on the bending machine through bolts, the driving belt pulley I1 capable of rotating along with the main shaft is arranged on a main shaft of the lifting motor, the driven belt pulley I2 is fixedly connected with the ball screw I3, the driving belt pulley I1 transmits power to the driven belt pulley I2 through a toothed belt, and the driven belt pulley I2 rotates to drive the ball screw I3 to rotate; the 2 sliding block seats I5 are symmetrically and fixedly arranged on the outer side of the side plate 6 of the machine frame, the shaft sleeve on the ball screw I3 is fixedly connected with the side plate 6 of the machine frame, and the rotation of the ball screw I3 can drive the machine frame to move up and down along the sliding rail I4;
the left-right transmission device comprises a sliding table 7, a sliding rail II 8, a sliding block seat II 9, a gear, a rack 10 and a left-right moving motor, wherein the sliding rail II 8 and the rack 10 are fixedly arranged on the sliding table 7 through bolts, a rear material blocking mechanism 22 is arranged on the sliding block seat II 9, a motor seat 11 is arranged on the rear material blocking mechanism 22, and the left-right moving motor is arranged on the motor seat 11; a gear capable of rotating along with the main shaft is arranged on the left-right moving motor main shaft, and the gear and the rack 10 are matched for transmission to drive the rear material blocking mechanism 22 to move left and right on the sliding table 7 along the sliding rail II 8;
the front-back transmission device comprises a front-back moving motor 12, a driving belt pulley II 13, a driven belt pulley II 14, a ball screw II 15, a sliding rail III 16 and a sliding block seat III 17, wherein the front-back moving motor 12 is fixedly arranged on the inner side of a side plate 6 of the frame, the driving belt pulley II 13 which can rotate along with the main shaft is arranged on the main shaft of the front-back moving motor 12, the driven belt pulley II 14 is fixedly connected with the ball screw II 15, two end parts of the ball screw II 15 are fixedly arranged on the bottom surface of a top plate 18 of the frame through bearing seats, the driving belt pulley II 13 transmits power to the driven belt pulley II 14 through a toothed belt, and the driven belt pulley II 14 rotates to drive the ball screw II 15 to rotate; the bottom surface of frame roof 18 is provided with slide rail III 16, is provided with slide block seat III 17 on the slide rail III 16, has set firmly movable plate 19 on the slide block seat III 17, and the both ends of movable plate 19 link firmly with slip table 7, and the axle sleeve on ball II 15 links firmly with movable plate 19, and ball II 15 rotates and can drive movable plate 19 along slide rail III 16 back and forth movement.
Example 2:
the invention relates to a rear stop device for a bending machine, which comprises a frame, a lifting transmission device and a rear stop mechanism, wherein the frame comprises a frame side plate 6 and a frame top plate 18, the frame top plate 18 is fixedly connected with one end of the frame side plate 6 through bolts, the other end of the frame top plate is fixedly connected with the other end of the frame side plate through a support connecting rod 21, and the support connecting rod 21, the frame top plate 18 and the frame side plate 6 form a triangular frame structure; the lifting device is arranged on the frame and is used for lifting the lifting device; the left and right transmission devices are arranged above the front and rear transmission devices and can drive the rear material blocking mechanism to move left and right;
the lifting transmission device comprises a lifting motor, a driving belt pulley I1, a driven belt pulley I2, a ball screw I3, a sliding rail I4 and a sliding block seat I5, wherein the lifting motor and the sliding rail I4 are fixedly arranged on the bending machine through bolts, the driving belt pulley I1 capable of rotating along with the main shaft is arranged on a main shaft of the lifting motor, the driven belt pulley I2 is fixedly connected with the ball screw I3, the driving belt pulley I1 transmits power to the driven belt pulley I2 through a toothed belt, and the driven belt pulley I2 rotates to drive the ball screw I3 to rotate; the 4 sliding block seats I5 are symmetrically and fixedly arranged on the outer side of the side plate 6 of the machine frame, the shaft sleeve on the ball screw I3 is fixedly connected with the side plate 6 of the machine frame, the sliding rails I4 are symmetrically arranged on two sides of the ball screw I3, and the ball screw I3 can drive the machine frame to move up and down along the sliding rails I4 in a rotating mode;
the left-right transmission device comprises a sliding table 7, a sliding rail II 8, a sliding block seat II 9, a gear, a rack 10 and a left-right moving motor, wherein the sliding rail II 8 and the rack 10 are fixedly arranged on the sliding table 7 through bolts, a rear material blocking mechanism 22 is arranged on the sliding block seat II 9, a motor seat 11 is arranged on the rear material blocking mechanism 22, and the left-right moving motor is arranged on the motor seat 11; a gear capable of rotating along with the main shaft is arranged on the left-right moving motor main shaft, and the gear and the rack 10 are matched for transmission to drive the rear material blocking mechanism 22 to move left and right on the sliding table 7 along the sliding rail II 8;
the front-back transmission device comprises a front-back moving motor 12, a driving belt pulley II 13, a driven belt pulley II 14, a ball screw II 15, a sliding rail III 16 and a sliding block seat III 17, wherein the front-back moving motor 12 is fixedly arranged on the inner side of a side plate 6 of the frame, the driving belt pulley II 13 which can rotate along with the main shaft is arranged on the main shaft of the front-back moving motor 12, the driven belt pulley II 14 is fixedly connected with the ball screw II 15, two end parts of the ball screw II 15 are fixedly arranged on the bottom surface of a top plate 18 of the frame through bearing seats, the driving belt pulley II 13 transmits power to the driven belt pulley II 14 through a toothed belt, and the driven belt pulley II 14 rotates to drive the ball screw II 15 to rotate; the bottom surface of the rack top plate 18 is provided with sliding rails III 16, the sliding rails III 16 are symmetrically arranged on two sides of a ball screw II 15, each sliding rail III 16 is provided with a sliding block seat III 17, a moving plate 19 is fixedly arranged on each sliding block seat III 17, a support frame 20 is arranged between each sliding table 7 and each moving plate 19, the sliding tables 7 and the moving plates 19 are fixedly connected by the support frame 20, and the rack top plate 18 is arranged between the support frame 20 and the moving plates 19; the shaft sleeve on the ball screw II 15 is fixedly connected with the moving plate 19, and the ball screw II 15 rotates to drive the moving plate 19 to move back and forth along the sliding rail III 16.
The application process of the invention is as follows:
(1) lifting movement: starting a lifting motor, wherein a main shaft of the lifting motor rotates to drive a driving belt pulley I1 to rotate, the driving belt pulley I1 transmits power to a driven belt pulley I2 through a toothed belt, the driven belt pulley I2 rotates to drive a ball screw I3 to rotate, and the ball screw I3 rotates to drive a rack to move up and down along a sliding rail I4, so that the lifting position of a rear stop device for a bending machine is adjusted;
(2) forward and backward movement: starting a back-and-forth moving motor 12, rotating a main shaft of the back-and-forth moving motor 12 to drive a driving belt pulley II 13 to rotate, transmitting power to a driven belt pulley II 14 by the driving belt pulley II 13 through a toothed belt, rotating a driven belt pulley II 14 to drive a ball screw II 15 to rotate, and rotating the ball screw II 15 to drive a moving plate 19 to move back and forth along a sliding rail III 16 so as to realize the back-and-forth position adjustment of a back stop device for a bending machine;
(3) and (3) moving left and right: the left-right moving motor is started, the spindle of the left-right moving motor rotates to drive the gear to rotate, the gear and the rack 10 are matched for transmission, the rear material blocking mechanism 22 can be driven to move left and right on the sliding table 7 along the sliding rail II 8, and left-right position adjustment of the rear material blocking mechanism 22 is achieved.
The present invention can be easily implemented by those skilled in the art through the above specific embodiments. It should be understood that the invention is not limited to the 2 embodiments described above. Based on the disclosed embodiments, a person skilled in the art may combine different technical features at will, so as to implement different technical solutions.
Other than the technical features described in the specification, all are known to those skilled in the art.
Claims (6)
1. The rear material blocking device for the bending machine comprises a frame, a lifting transmission device and a rear material blocking mechanism, and is characterized by comprising a front transmission device, a rear transmission device, a left transmission device and a right transmission device, wherein the front transmission device and the rear transmission device are arranged on the frame and are positioned above the lifting transmission device; the left and right transmission devices are arranged above the front and rear transmission devices and can drive the rear material blocking mechanism to move left and right;
the lifting transmission device comprises a lifting motor, a driving belt wheel I, a driven belt wheel I, a ball screw I, a sliding rail I and a sliding block seat I, wherein the lifting motor and the sliding rail I are fixedly arranged on a bending machine through bolts, the driving belt wheel I which can rotate along with the main shaft is arranged on a main shaft of the lifting motor, the driven belt wheel I is fixedly connected with the ball screw I, the driving belt wheel I transmits power to the driven belt wheel I through a toothed belt, and the driven belt wheel I rotates to drive the ball screw I to rotate; the sliding block seats I are symmetrically and fixedly arranged on the outer side of the side plate of the machine frame, the shaft sleeve on the ball screw I is fixedly connected with the side plate of the machine frame, and the rotation of the ball screw I can drive the machine frame to move up and down along the sliding rail I;
the left-right transmission device comprises a sliding table, a sliding rail II, a sliding block seat II, a gear, a rack and a left-right moving motor, wherein the sliding rail II and the rack are fixedly arranged on the sliding table through bolts; a gear capable of rotating along with the main shaft is arranged on the left-right moving motor main shaft, and the gear and the rack are matched for transmission to drive the rear material blocking mechanism to move left and right on the sliding table along the sliding rail II;
the front-back transmission device comprises a front-back moving motor, a driving belt pulley II, a driven belt pulley II, a ball screw II, a sliding rail III and a sliding block seat III, wherein the front-back moving motor is fixedly arranged on the inner side of a side plate of the frame, a main shaft of the front-back moving motor is provided with the driving belt pulley II which can rotate along with the main shaft, the driven belt pulley II is fixedly connected with the ball screw II, two end parts of the ball screw II are fixedly arranged on the bottom surface of a top plate of the frame through bearing seats, the driving belt pulley II transmits power to the driven belt pulley II through a toothed belt, and the driven belt pulley II rotates to drive the ball screw II to rotate; be provided with slide rail III on the bottom surface of frame roof, be provided with slider seat III on the slide rail III, set firmly the movable plate on the slider seat III, the both ends and the slip table of movable plate set firmly link to each other, and the axle sleeve on ball II sets firmly with the movable plate and links to each other, and ball II rotates and can drive the movable plate and reciprocate along slide rail III.
2. The rear stop device for a bending machine according to claim 1, wherein a supporting frame is arranged between the sliding table and the moving plate, and the supporting frame fixedly connects the sliding table with the moving plate.
3. A rear blanking device for a bending machine according to claim 2, wherein the frame top plate is arranged between the support frame and the moving plate.
4. The rear stop device for bending machine as claimed in claim 1, wherein the frame top plate is fixedly connected to one end of the frame side plate by bolts, and the other end is fixedly connected to the other end by support links, and the support links, the frame top plate and the frame side plate form a triangular frame structure.
5. The rear stop device for a bending machine according to claim 1, wherein the sliding rails i are symmetrically arranged on both sides of the ball screw i, and the sliding rails iii are symmetrically arranged on both sides of the ball screw ii.
6. The rear stop device for bending machines according to claim 1, wherein the number of the slide blocks I is 2-6, and the number of the slide blocks II is 2-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810996697.0A CN108856378B (en) | 2018-08-29 | 2018-08-29 | Back stop device for bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810996697.0A CN108856378B (en) | 2018-08-29 | 2018-08-29 | Back stop device for bending machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108856378A CN108856378A (en) | 2018-11-23 |
| CN108856378B true CN108856378B (en) | 2023-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810996697.0A Active CN108856378B (en) | 2018-08-29 | 2018-08-29 | Back stop device for bending machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN108856378B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111069353A (en) * | 2019-12-27 | 2020-04-28 | 安徽省三信重工机械制造有限公司 | Numerical control bender rear stock stop and numerical control bender |
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| CN106077171A (en) * | 2016-07-27 | 2016-11-09 | 河北沃克曼数控机械有限公司 | Numerical control bender back material stopping accurate positioning device |
| CN205996051U (en) * | 2016-07-31 | 2017-03-08 | 安徽威亚机械制造有限公司 | Rear baffle of bending machine system and bender |
| CN107350311A (en) * | 2017-08-24 | 2017-11-17 | 山东嘉意机械有限公司 | The new underbeam of middle large-tonnage numerical control bender and bender |
| CN107457287A (en) * | 2017-09-19 | 2017-12-12 | 无锡锡锻机床有限公司 | Induction type rear stock stop of bending machine |
| CN207138688U (en) * | 2017-09-05 | 2018-03-27 | 山东嘉意机械有限公司 | A kind of bender back material stopping locus adjusting apparatus |
| CN108237159A (en) * | 2016-12-23 | 2018-07-03 | 黄石华信机械设备有限公司 | A kind of electrohydraulic servo bending machine numerical control rear material stopping device |
| CN208810854U (en) * | 2018-08-29 | 2019-05-03 | 山东嘉意机械有限公司 | A kind of bending machine rear material stopping device |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1015618A (en) * | 1996-07-04 | 1998-01-20 | Amada Co Ltd | Back gage device |
| JP2002079330A (en) * | 2000-09-04 | 2002-03-19 | Amada Eng Center Co Ltd | Plate positioning apparatus for plate working machine |
| KR20050113157A (en) * | 2005-11-17 | 2005-12-01 | 남방현 | Press brake stopper 4 position auto backgauge |
| CN203184475U (en) * | 2013-03-21 | 2013-09-11 | 安徽中德机床股份有限公司 | Back material-stop system of automatic lifting numerical control bending machine |
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| CN205996051U (en) * | 2016-07-31 | 2017-03-08 | 安徽威亚机械制造有限公司 | Rear baffle of bending machine system and bender |
| CN108237159A (en) * | 2016-12-23 | 2018-07-03 | 黄石华信机械设备有限公司 | A kind of electrohydraulic servo bending machine numerical control rear material stopping device |
| CN107350311A (en) * | 2017-08-24 | 2017-11-17 | 山东嘉意机械有限公司 | The new underbeam of middle large-tonnage numerical control bender and bender |
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| CN107457287A (en) * | 2017-09-19 | 2017-12-12 | 无锡锡锻机床有限公司 | Induction type rear stock stop of bending machine |
| CN208810854U (en) * | 2018-08-29 | 2019-05-03 | 山东嘉意机械有限公司 | A kind of bending machine rear material stopping device |
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| Publication number | Publication date |
|---|---|
| CN108856378A (en) | 2018-11-23 |
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