CN106890871A - Stand stretch compensation device and bender - Google Patents
Stand stretch compensation device and bender Download PDFInfo
- Publication number
- CN106890871A CN106890871A CN201710296448.6A CN201710296448A CN106890871A CN 106890871 A CN106890871 A CN 106890871A CN 201710296448 A CN201710296448 A CN 201710296448A CN 106890871 A CN106890871 A CN 106890871A
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- China
- Prior art keywords
- bender
- lever assembly
- side plate
- compensation device
- stand stretch
- Prior art date
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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
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
- B21D5/0209—Tools therefor
-
- 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
- B21D5/006—Bending sheet metal along straight lines, e.g. to form simple curves combined with measuring of bends
-
- 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
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
- B21D5/0272—Deflection compensating means
Abstract
The invention provides a kind of stand stretch compensation device and bender, with the big technical problem of the bending degree error for solving bender present in prior art.The stand stretch compensation device includes fulcrum component and lever assembly；The lever assembly is flexibly connected with the fulcrum component and can be with the fulcrum component as fulcrum carries out lever swing；The first end of the lever assembly is used to be connected with the side plate of bender, and the second end of the lever assembly is connected with grating reading head, and the fulcrum component is used to be connected with the underbeam of bender.
Description
Technical field
The present invention relates to deformation compensation technology field, more particularly, to a kind of stand stretch compensation device and bender.
Background technology
Bender is a kind of machine that bending can be carried out to thin plate, and in panel beating sector, bender is that metal plate is rolled over
Curved production equipment.The bending power that bender carries out bending to workpiece is very big, and in bending process, frame needs to bear larger answering
Power, according to the mechanics principle of material, correspondingly, frame can produce certain miniature deformation due to the presence of the stress, that is, strain,
When strain reaches to a certain degree, the bending precision for being bent over workpiece can be influenceed by the strain.
The frame of bender includes the first side plate and the second side plate that relative spacing is set in the horizontal direction, and along vertical
Upper beam and underbeam that direction relative spacing is set, upper beam and underbeam are connected between the first side plate and the second side plate.At bender
In under non-working condition, the frame of bender is not required to meet with stresses, and frame does not produce strain, and bender is under use state,
When carrying out bending to workpiece, due to the presence of bending power, frame produces corresponding strain.Specifically, the measurement apparatus of bender
Be grating scale, grating scale includes scale grating and grating reading head, wherein, scale grating is connected with upper beam, grating reading head and
First side plate of frame or the second side plate are connected, and grating reading head is used to read the size on scale grating, with determining upper beam
The distance of drop.The upper beam of bender is connected with side plate by oil cylinder, and when bender works, the side plate stress of frame is upwardly-deformed,
The position of upper beam synchronously shifts upwards, causes the reading of grating reading head error occur, and the distance that upper beam is moved downward is small
In the distance for being actually needed motion, and then cause that larger error occurs in the bending degree of bending plate.
The content of the invention
It is an object of the invention to provide a kind of stand stretch compensation device, to solve bender present in prior art
The big technical problem of bending degree error.
To reach above-mentioned purpose, the embodiment of the present invention uses following technical scheme：
A kind of stand stretch compensation device, including fulcrum component and lever assembly；
The lever assembly is flexibly connected with the fulcrum component and can be with the fulcrum component as fulcrum carries out lever
Formula swings；
The first end of the lever assembly is used to be connected with the side plate of bender, and the second end of the lever assembly is connected with
Grating reading head, the fulcrum component is used to be connected with the underbeam of bender.
Further, the lever assembly includes fixed seat and the graduated scale being connected with fixed seat rotation；
The fixed seat is used to be connected with the side plate of bender；
The graduated scale be provided with along the graduated scale length direction extend pilot hole, the fulcrum component with it is described
Pilot hole grafting and can along the pilot hole length direction move.
Further, the fulcrum component includes Mobile base and the rolling bearing being pivotally connected with the Mobile base；
The rolling bearing is used to be connected with the underbeam contact of bender；
The Mobile base and the pilot hole grafting and the rolling bearing can be driven along the length side of the pilot hole
To rolling.
Further, also including press component；
The upper end of the press component is used to be connected with the side plate of bender, the lower end of the press component and the lever
Second end of component abuts so that the second end of the lever assembly has the trend for moving downward all the time.
Further, the press component includes positioning seat and vertical type spring；
The positioning seat is used to be connected with the side plate of bender, and the upper end of the spring is connected with the positioning seat, described
The lower end of spring abuts with the second end of the lever assembly.
Further, the also adjusting part including being connected between the lever assembly and the grating reading head；
The grating reading head is located at the lower section at the second end of the lever assembly, and the adjusting part is used to adjust described
The distance of grating reading head and the second end in the vertical direction of the lever assembly.
Further, the adjusting part includes that the first oscillating bearing for from top to bottom setting gradually, connecting pole, second are closed
Bearings；
First oscillating bearing is connected with the second end of the lever assembly；
The second joint bearing is connected with the grating reading head；
First oscillating bearing, the connecting pole, the second joint bearing are threadedly coupled successively.
Further, also including C-shaped supporting frame, the fulcrum modular support is in the C-shaped supporting frame；
The C-shaped supporting frame is used to be connected with the underbeam of bender.
The stand stretch compensation device that the present invention is provided, lever assembly therein is flexibly connected with fulcrum component and can be with
Fulcrum component carries out lever swing for fulcrum, wherein, the first end of lever assembly is used to be connected with the side plate of bender, lever
Second end of component is connected with grating reading head, and fulcrum component is used to be connected with the underbeam of bender.When using, by lever assembly
First end be connected with the side plate of bender, fulcrum component is connected with the underbeam of bender, that is, by the underbeam pair of bender
Fulcrum component is supported.
Bender is treated during bending workpieces carry out bending, and the side plate stress of bender is upwardly-deformed, due to lever
The first end of component is connected with side plate, and side plate synchronously drives the first end of lever assembly to shift upwards, and under bender
Beam is not influenceed by side plate deformation, and fulcrum component is supported by underbeam, and lever assembly carries out lever pendulum by fulcrum of fulcrum component
Dynamic, then the second end of lever assembly synchronously offsets downward, and grating reading head is connected with the second end of lever assembly, then grating reading
Head is synchronous to be offset downward, and now, grating reading head can re-start reading to the scale grating on upper beam, compensate for because side
The error in reading that plate deformation is caused, the distance that upper beam is moved downward is equal with the distance for being actually needed motion, therefore, bender
Bending precision is greatly improved.
Another object of the present invention is to provide a kind of bender, the bender includes side plate, upper beam, underbeam, scale light
Grid, and stand stretch compensation device as described above；
The first end of the lever assembly of the stand stretch compensation device is connected with the side plate；
The upper beam and the underbeam vertically interval setting, the scale grating is connected with the upper beam, described
The fulcrum component of stand stretch compensation device is connected with the underbeam, and the scale grating is relative with the grating reading head.
Further, the side plate includes first side plate and the second side plate of horizontally spaced setting；
The stand stretch compensation device is two, two stand stretch compensation devices and first side plate and institute
State the second side plate and correspond setting.
The bender compared to prior art beneficial effect, with above-mentioned stand stretch compensation device compared to existing skill
The beneficial effect of art is identical, and here is omitted.
Brief description of the drawings
In order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art, below will be to specific
The accompanying drawing to be used needed for implementation method or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of stand stretch compensation device provided in an embodiment of the present invention；
Fig. 2 is the first schematic diagram of bender provided in an embodiment of the present invention；
Fig. 3 is the second schematic diagram of bender provided in an embodiment of the present invention；
Fig. 4 is the 3rd schematic diagram of bender provided in an embodiment of the present invention；
Fig. 5 is the schematic diagram that existing bender is under non-working condition；
Fig. 6 is the schematic diagram that existing bender is under use state.
Reference：
The side plates of 1- first；The side plates of 2- second；3- upper beams；4- underbeams；5- lever assemblies；6- fulcrum components；7- press components；
8- adjusting parts；9- support frames；10- grating reading heads；11- scale gratings；51- fixed seats；52- graduated scales；53- pilot holes；
61- Mobile bases；62- rolling bearings；71- positioning seats；72- springs；The oscillating bearings of 81- first；82- connecting poles；83- second joints
Bearing；100- stand stretch compensation devices.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify describe, rather than indicate imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Fig. 1 is the schematic diagram of stand stretch compensation device provided in an embodiment of the present invention.
Shown in reference picture 1, the stand stretch compensation device that the present embodiment is provided, including fulcrum component 6 and lever assembly 5；
The lever assembly 5 is flexibly connected with the fulcrum component 6 and can be with the fulcrum component 6 for fulcrum carries out lever pendulum
It is dynamic；The first end of the lever assembly 5 is used to be connected with the side plate of bender, and the second end of the lever assembly 5 is connected with light
Grid reading head 10, the fulcrum component 6 is used to be connected with the underbeam of bender.
The stand stretch compensation device that the present invention is provided, lever assembly therein is flexibly connected with fulcrum component and can be with
Fulcrum component carries out lever swing for fulcrum, wherein, the first end of lever assembly is used to be connected with the side plate of bender, lever
Second end of component is connected with grating reading head, and fulcrum component is used to be connected with the underbeam of bender.When using, by lever assembly
First end be connected with the side plate of bender, fulcrum component is connected with the underbeam of bender, that is, by the underbeam pair of bender
Fulcrum component is supported.
Bender is treated during bending workpieces carry out bending, and the side plate stress of bender is upwardly-deformed, due to lever
The first end of component is connected with side plate, and side plate synchronously drives the first end of lever assembly to shift upwards, and under bender
Beam is not influenceed by side plate deformation, and fulcrum component is supported by underbeam, and lever assembly carries out lever pendulum by fulcrum of fulcrum component
Dynamic, then the second end of lever assembly synchronously offsets downward, and grating reading head is connected with the second end of lever assembly, then grating reading
Head is synchronous to be offset downward, and now, grating reading head can re-start reading to the scale grating on upper beam, compensate for because side
The error in reading that plate deformation is caused, the distance that upper beam is moved downward is equal with the distance for being actually needed motion, therefore, bender
Bending precision is greatly improved.
Further, the lever assembly 5 includes fixed seat 51 and the graduated scale 52 being connected with the rotation of the fixed seat 51,
The fixed seat 51 is used to be connected with the side plate of bender, and the graduated scale 52 is provided with the length direction along the graduated scale 52
The pilot hole 53 of extension, the fulcrum component 6 and the grafting of the pilot hole 53 and can be along the length direction of the pilot hole 53
It is mobile.Due to the bender of different model, its corresponding maximum bending power is different, the strain of the different corresponding side plate of bending power
It is different, that is, the deformation of the different corresponding side plate of bending power is different, it is necessary to different bender, can adjust fulcrum group
Relative to the position of lever assembly, in other words, the fulcrum of lever assembly can change part, and then have adjusted the power arm of lever assembly
With the ratio of resistance arm lengths, to adapt to the compensating proportion required for different types so that the stand stretch compensation device have
There is versatility.
In other embodiment, lever assembly can be pivotally connected with fulcrum component by a horizontal drive-connecting shaft, be branch with fulcrum component
Point, lever assembly can be rotated around drive-connecting shaft in perpendicular, but the articulated manner is only applicable to a kind of bender of model, no
With versatility.
In the present embodiment, the fulcrum component 6 includes Mobile base 61 and the rolling bearing 62 being pivotally connected with the Mobile base 61,
The rolling bearing 62 is used to be connected with the contact of the underbeam of bender, the Mobile base 61 and the grafting of the pilot hole 53 and can
The rolling bearing 62 is driven to be rolled along the length direction of the pilot hole 53.Further, stand stretch compensation device is also wrapped
C-shaped supporting frame 9 is included, the fulcrum component 6 is supported in the C-shaped supporting frame 9, the C-shaped supporting frame 9 is used for and bender
Underbeam is connected, and the position of fulcrum component can be easily changed using rolling bearing, reduces the working face of rolling bearing and support frame
Between frictional force.
Specifically, fixed seat is fixed on the side plate of bender by hexagon socket head cap screw, and graduated scale passes through straight pin and consolidates
Reservation is connected, also, graduated scale can swing around straight pin in perpendicular, and the scale on graduated scale is used to indicate fulcrum group
The displacement of part, Mobile base passes through hexagon socket head cap screw grafting with the pilot hole on graduated scale, can lock or unclamp Mobile base.
Stand stretch compensation device also includes press component 7, and the upper end of the press component 7 is used for the side plate with bender
Connection, the lower end of the press component 7 abuts the second end so that the lever assembly 5 with the second end of the lever assembly 5
All the time there is the trend for moving downward, to improve the job stability of the stand stretch compensation device.
In the present embodiment, the press component 7 include positioning seat 71 and vertical type spring 72, the positioning seat 71 be used for
The side plate connection of bender, the upper end of the spring 72 is connected with the positioning seat 71, the lower end of the spring 72 and the thick stick
Second end of bar assembly 5 is abutted, and the pressing force between press component and lever assembly is provided by spring, so that the lever assembly
Second end remains downtrend.
In the present embodiment, positioning seat is the spacing angle bar of L-type, and the side of the spacing angle bar of the L-type is fixed on by hexagon socket head cap screw
On the side plate of bender, the opposite side of the spacing angle bar of the L-type is connected with the upper end of spring, to simplify the structure of whole device, and
And, a guide groove for vertically extending can be set on the spacing angle bar, hexagon socket head cap screw is by the guide groove and the side of bender
Plate is connected, and the spacing angle bar can be finely tuned vertically, to improve the versatility of stand stretch compensation device.
Certainly, in other embodiment, press component may include fixed part and the pars contractilis that can be moved relative to fixed part,
The fixed part is connected with the side plate of bender, and the end of the pars contractilis abuts with the second end of lever assembly, and press component can be
Oil cylinder, cylinder or gas spring.
Stand stretch compensation device also includes the regulation being connected between the lever assembly 5 and the grating reading head 10
Component 8, the grating reading head 10 is located at the lower section at the second end of the lever assembly 5, and the adjusting part 8 is used to adjust institute
State the distance of grating reading head 10 and the second end in the vertical direction of the lever assembly 5.
Specifically, the adjusting part 8 includes the first oscillating bearing 81, connecting pole 82, that from top to bottom set gradually
Two oscillating bearings 83, first oscillating bearing 81 is connected with the second end of the lever assembly 5, the second joint bearing 83
It is connected with the grating reading head 10, first oscillating bearing 81, the connecting pole 82, the second joint bearing 83 are successively
Threaded connection, is arranged such, and can conveniently adjust the distance up and down between two oscillating bearings, and then adjust grating reading head and thick stick
The distance of the second end in the vertical direction of bar assembly improves stand stretch compensation device to adapt to the type of different benders
Versatility.
In the present embodiment, the first oscillating bearing is arranged on the second end of graduated scale, is connected to the first oscillating bearing and second
Hexagonal iron stud between oscillating bearing, hexagonal iron stud and two ends oscillating bearing is by nut check and preserves certain
Fastening force, second joint bearing is bolted on oscillating bearing mounting blocks by outer-hexagonal, oscillating bearing mounting blocks eventually through
Bolt connection grating reading head.
In other embodiment, adjusting part may include fixed part and the pars contractilis that can be moved relative to fixed part, and this is consolidated
Determine portion to be connected with one end of graduated scale, the end of the pars contractilis is connected with grating reading head, adjusting part can for oil cylinder, cylinder or
Gas spring.
Fig. 2 is the first schematic diagram of bender provided in an embodiment of the present invention, and Fig. 3 is bending provided in an embodiment of the present invention
Second schematic diagram of machine, Fig. 4 is the 3rd schematic diagram of bender provided in an embodiment of the present invention, and Fig. 5 is in for existing bender
Schematic diagram under non-working condition, Fig. 6 is the schematic diagram that existing bender is under use state.
To shown in Fig. 6, the another object of the present embodiment is to provide a kind of bender to reference picture 2, and the bender includes side
Plate, upper beam 3, underbeam 4, scale grating 11, and stand stretch compensation device 100 as described above, the stand stretch compensation
The first end of the lever assembly 5 of device 100 is connected with the side plate,
The upper beam 3 and the underbeam 4 vertically interval setting, the scale grating 11 are connected with the upper beam 3,
The fulcrum component 6 of the stand stretch compensation device 100 is connected with the underbeam 4, and the scale grating 11 is read with the grating
Several first 10 is relative.
Further, the side plate includes first side plate 1 and the second side plate 2 of horizontally spaced setting, the machine
Frame deflection compensation device 100 is two, two stand stretch compensation devices 100 and first side plate 1 and described second
Side plate 2 is corresponded and set.
In the present embodiment, stand stretch compensation device is arranged between upper beam and C-shaped supporting frame, wherein, fixed seat and L-type
Spacing angle bar is arranged on the side plate of bender, and scale grating is arranged on upper beam, and grating reading head is mended installed in stand stretch
Repay on device, C-shaped supporting frame is arranged on underbeam.
During bender treats bending workpieces bending, underbeam is not deformed upon, C-shaped supporting frame in bending process not
Deform upon, that is, underbeam and C-shaped supporting frame are not strained, C-shaped supporting frame is independent relative to side plate.Stand stretch is mended
Repay in device, because spring is downwardly against graduated scale, the position of rolling bearing is constant, used as the fulcrum of lever assembly, bending
Cheng Zhong, the upward deformation of side plate, synchronous to drive fixed seat to move upwards, rolling bearing is maintained static, according to lever principle, fulcrum
Right side integrally moves downward, and grating reading head offsets downward setpoint distance, therefore, upper beam moves downward the setpoint distance can just be made
Reached at the position of setting value corresponding with the setpoint distance with the scale grating that upper beam is connected, therefore stand stretch compensation device
Bending error to being caused due to side plate has carried out corresponding compensation.
The bender compared to prior art beneficial effect, with above-mentioned stand stretch compensation device compared to existing skill
The beneficial effect of art is identical, and here is omitted.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
Pipe has been described in detail with reference to foregoing embodiments to the present invention, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of stand stretch compensation device, it is characterised in that including fulcrum component and lever assembly；
The lever assembly is flexibly connected with the fulcrum component and can be with the fulcrum component as fulcrum carries out lever pendulum
It is dynamic；
The first end of the lever assembly is used to be connected with the side plate of bender, and the second end of the lever assembly is connected with grating
Reading head, the fulcrum component is used to be connected with the underbeam of bender.
2. stand stretch compensation device according to claim 1, it is characterised in that the lever assembly include fixed seat and
The graduated scale being connected is rotated with the fixed seat；
The fixed seat is used to be connected with the side plate of bender；
The graduated scale is provided with the pilot hole extended along the length direction of the graduated scale, the fulcrum component and the guiding
Hole grafting and can along the pilot hole length direction move.
3. stand stretch compensation device according to claim 2, it is characterised in that the fulcrum component include Mobile base and
The rolling bearing being pivotally connected with the Mobile base；
The rolling bearing is used to be connected with the underbeam contact of bender；
The Mobile base and the pilot hole grafting and the rolling bearing can be driven to be rolled along the length direction of the pilot hole
It is dynamic.
4. stand stretch compensation device according to claim 1, it is characterised in that also including press component；
The upper end of the press component is used to be connected with the side plate of bender, the lower end of the press component and the lever assembly
The second end abut so that the second end of the lever assembly has the trend that moves downward all the time.
5. stand stretch compensation device according to claim 4, it is characterised in that the press component include positioning seat and
Vertical type spring；
The positioning seat is used to be connected with the side plate of bender, and the upper end of the spring is connected with the positioning seat, the spring
Lower end abutted with the second end of the lever assembly.
6. stand stretch compensation device according to claim 1, it is characterised in that also including being connected to the lever assembly
With the adjusting part between the grating reading head；
The grating reading head is located at the lower section at the second end of the lever assembly, and the adjusting part is used to adjust the grating
The distance of reading head and the second end in the vertical direction of the lever assembly.
7. stand stretch compensation device according to claim 6, it is characterised in that the adjusting part is included from top to bottom
The first oscillating bearing, connecting pole, the second joint bearing for setting gradually；
First oscillating bearing is connected with the second end of the lever assembly；
The second joint bearing is connected with the grating reading head；
First oscillating bearing, the connecting pole, the second joint bearing are threadedly coupled successively.
8. stand stretch compensation device according to claim 1, it is characterised in that also including C-shaped supporting frame, the fulcrum
Modular support is in the C-shaped supporting frame；
The C-shaped supporting frame is used to be connected with the underbeam of bender.
9. a kind of bender, it is characterised in that including side plate, upper beam, underbeam, scale grating, and as appointed in claim 1-8
Stand stretch compensation device described in one；
The first end of the lever assembly of the stand stretch compensation device is connected with the side plate；
The upper beam and the underbeam vertically interval setting, the scale grating are connected with the upper beam, the frame
The fulcrum component of deflection compensation device is connected with the underbeam, and the scale grating is relative with the grating reading head.
10. bender according to claim 9, it is characterised in that the side plate includes horizontally spaced setting
First side plate and the second side plate；
The stand stretch compensation device is two, two stand stretch compensation devices and first side plate and described the
Two side plates are corresponded and set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710296448.6A CN106890871B (en) | 2017-04-28 | 2017-04-28 | Stand stretch compensation device and bending machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710296448.6A CN106890871B (en) | 2017-04-28 | 2017-04-28 | Stand stretch compensation device and bending machine |
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| CN106890871A true CN106890871A (en) | 2017-06-27 |
| CN106890871B CN106890871B (en) | 2019-01-11 |
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| CN109926478A (en) * | 2019-04-12 | 2019-06-25 | 扬州汉智数控机械有限公司 | A kind of electricity servo bending center L shape frame main transmission structure |
| CN112326410A (en) * | 2020-11-02 | 2021-02-05 | 燕山大学 | Device for eliminating deformation interference of testing machine frame |
| CN113290188A (en) * | 2021-05-24 | 2021-08-24 | 荣成华东锻压机床股份有限公司 | Lever type forging force automatic regulating and controlling device and method for forging press |
| CN113305250A (en) * | 2021-05-24 | 2021-08-27 | 荣成华东锻压机床股份有限公司 | Multi-station precision forging press |
| US20210283673A1 (en) * | 2020-10-10 | 2021-09-16 | Nanjing University Of Posts And Telecommunications | Precision compensation mechanism of full-automatic bidirectional flanging machine |
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| CN112326410A (en) * | 2020-11-02 | 2021-02-05 | 燕山大学 | Device for eliminating deformation interference of testing machine frame |
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| CN113290188B (en) * | 2021-05-24 | 2022-01-28 | 荣成华东锻压机床股份有限公司 | Lever type forging force automatic regulating and controlling device and method for forging press |
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