CN107813013A - A kind of automatic feeding - Google Patents
A kind of automatic feeding Download PDFInfo
- Publication number
- CN107813013A CN107813013A CN201711227302.2A CN201711227302A CN107813013A CN 107813013 A CN107813013 A CN 107813013A CN 201711227302 A CN201711227302 A CN 201711227302A CN 107813013 A CN107813013 A CN 107813013A
- Authority
- CN
- China
- Prior art keywords
- feeding roller
- feeding
- rocking handle
- transmission shaft
- steel plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 55
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 43
- 239000010959 steel Substances 0.000 claims abstract description 43
- 238000010008 shearing Methods 0.000 abstract description 24
- 230000033001 locomotion Effects 0.000 abstract description 7
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000005570 vertical transmission Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
- B23D33/02—Arrangements for holding, guiding, and/or feeding work during the operation
Abstract
The present invention discloses a kind of automatic feeding, and the top of support sets more feeding rollers, and feeding roller is rotationally connected with support, is connected between feeding roller, drives horizontal positioned steel plate thereon to move by frictional force；Power set provide rotational power to feeding roller；Manual rocking handle is set on power set to the power transmission shaft of feeding roller, and rotary manual rocking handle can drive feeding roller to rotate.To during plate shearing machine feeding, support steel plate, steel plate are not produced and rocked feeding roller from below, avoid producing impact failure to the presser feet baffle plate of plate shearing machine；Steel plate drives motion by frictional force between feeding roller and steel plate, is slowly smoothly sent into plate shearing machine, realizes self-feeding；In order to precisely adjust the position where steel plate, manual rocking handle is also provided with, power set are closed when needing fine setting, it can be manually rotated manual rocking handle, make feeding roller slow rotation, the position for adjusting steel plate by a small margin can be adjusted by way of forward or reverse, improve the precision of shearing.
Description
Technical field
The present invention relates to machining equipment technical field, further relates to a kind of automatic feeding.
Background technology
Plate shearing machine is the widely used shearing equipment of mechanical processing industry, belongs to metal forming machinery, is mainly used in intermetallic composite coating,
The steel plate materialses of various thickness can be sheared.Heavy plate shearing machine can the larger sheet material of shearing thickness, sheet material needs to set in feeding
A support is put, coordinates crane operation, crane slings steel plate by steel wire rope and is sent to charging aperture；Steel wire is flexible material, crane
Shaken during lifting, the deadweight of steel plate is very big, it is difficult to eliminate swing all around, it is difficult to align entering for cutter
Material mouth, if the improper presser feet baffle plate for easily hitting plate shearing machine of crane operation, or even the operating personnel that damage, it is hidden to there is larger safety
Suffer from.
For those skilled in the art, a kind of equipment that is safe and reliable, being capable of self-feeding is designed, is to need at present
Technical problems to be solved.
The content of the invention
The present invention provides a kind of automatic feeding, automatically and accurately can be sent into steel plate to plate shearing machine, and can be manual
Fine setting is realized, improves the precision of steel plate shearing, concrete scheme is as follows：
A kind of automatic feeding, including the support for support limit, the top of the support are set in horizontal parallel
More feeding rollers, the both ends of the every feeding roller are rotationally connected with the support, are connected between the feeding roller respectively,
To drive horizontal positioned steel plate thereon to move；
Also include the power set being arranged on the support, the power set drive connection feeding roller is described
Manual rocking handle is set on power set to the power transmission shaft of the feeding roller, the feeding roller can be driven by rotating the manual rocking handle
Rotate.
Alternatively, clutch is set on the power set to the power transmission shaft of the feeding roller, and the clutch is to described
The manual rocking handle is set on the power transmission shaft of feeding roller.
Alternatively, the rotating shaft of the manual rocking handle passes through cone between power transmission shaft, the manual rocking handle and power transmission shaft
Meshed transmission gear.
Alternatively, the rotating shaft of the manual rocking handle includes the canned paragraph and active segment that are mutually inserted, and the one of the canned paragraph
End is provided for the bevel gear of engaged transmission, and one end of the active segment is provided for gripping the L-shaped handle rotated；The fixation
The end of section and the active segment is driven by spline engagement, and the active segment can be axially translated.
Alternatively, the input of the power set drive connection gearbox, the output end drive connection of the gearbox
The clutch, the driven by clutches connect the feeding roller.
Alternatively, the power transmission shaft between the power set, the gearbox and the clutch is horizontally disposed with, and is located at
The bottom of the feeding roller；Vertical power transmission shaft is set between horizontal power transmission shaft and the feeding roller, the vertical power transmission shaft
Both ends set bevel gear engaged transmission respectively.
Alternatively, the support is contacted by leg with ground, the bottom thread set adjusting set of the leg, rotates institute
The height and levelness on the feeding roller and ground can be adjusted by stating adjusting set.
Alternatively, the power set are motor, are worked by button point operation control.
The core of the present invention is to provide a kind of automatic feeding, including the support for support limit, the top of support
Portion sets more feeding rollers in horizontal parallel, and more feeding rollers collectively form the bracket for support steel plate, every feeding roller
Both ends are rotationally connected with support respectively, and feeding roller can rotate along the axis of itself, is connected between feeding roller, pass through friction
Power drives horizontal positioned steel plate movement thereon；Also include the power set being arranged on support, power set drive connection is sent
Expect roller, the power rotated is provided to feeding roller；Manual rocking handle is set on power set to the power transmission shaft of feeding roller, rotary manual shakes
Handle can drive feeding roller to rotate.
More feeding rollers are located in the same horizontal plane, and form the bracket of support steel plate, and feeding roller rotation is driven by power set
Turn, the power of active rotation is provided for feeding roller；To during plate shearing machine feeding, hanging device is first passed through by hoisting steel plate to feeding roller
On, support, it is necessary to align the feeding port of plate shearing machine, avoids producing impact cutting to the presser feet baffle plate of plate shearing machine feeding roller from below
It is bad；Steel plate drives motion by frictional force between feeding roller and steel plate, is slowly smoothly sent into plate shearing machine；Power set drive feeding
The motion amplitude of roller is larger, in order to precisely adjust the position where steel plate, is also provided with manual rocking handle, is closed when needing fine setting
Power set, manual rocking handle is can be manually rotated, make feeding roller slow rotation, can adjusted by way of forward or reverse and adjusted by a small margin
The position of steel plate is saved, improves the precision of shearing.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the positive structure diagram of automatic feeding of the present invention；
Fig. 2 is the overlooking the structure diagram of automatic feeding of the present invention.
Figure includes：
It is support 1, leg 11, adjusting set 12, feeding roller 2, power set 3, gearbox 4, clutch 5, manual rocking handle 6, solid
Determine section 61, active segment 62.
Embodiment
The present invention core be to provide a kind of automatic feeding, can automatically and accurately to plate shearing machine be sent into steel plate,
And it manually implemented can finely tune, improve the precision of steel plate shearing.
In order that those skilled in the art more fully understands technical scheme, below in conjunction with accompanying drawing and specifically
Embodiment, to the present invention automatic feeding explanation is described in detail.
As shown in figure 1, being the positive structure diagram of automatic feeding of the present invention, Fig. 2 fills for self-feeding of the present invention
The overlooking the structure diagram put；The invention provides a kind of automatic feeding, including support 1, feeding roller 2, power set 3,
The structures such as manual rocking handle 6, its medium-height trestle 1 are used for support limit, are the agent structures of whole device, and support 1 can be steel-pipe welding
Fixed frame structure, or other structure types, these specific set-up modes should all be included in the protection of the present invention
Within the scope of；Feeding roller 2 is arranged at the top of support 1, and feeding roller 2 is set in horizontal parallel, and more feeding rollers 2 are parallel to each other,
And in feeding roller 2 is generally aligned in the same plane, steel plate is conveyed by 2 common support of feeding roller, feeding roller 2 is upward to steel plate provide it is uniform
Supporting force；The both ends of every feeding roller 2 are rotationally connected with support 1 respectively, are connected between feeding roller 2, different
Feeding roller 2 keeps synchronous rotary, drives horizontal positioned steel plate thereon to move by rotating.
Present invention additionally comprises the power set 3 being arranged on support 1, the drive connection feeding roller 2 of power set 3, by dynamic
Power apparatus 3 drives the rotary motion of feeding roller 2, and frictional force is provided to steel plate when feeding roller 2 rotates, and drives steel plate to transport by frictional force
It is dynamic.To during plate shearing machine feeding, first passing through hanging device by hoisting steel plate to feeding roller 2, the support steel plate from below of feeding roller 2,
The feeding port of plate shearing machine need not be aligned in placement process, steel plate need to be only put on feeding roller from the top down, steel plate is not
The charging aperture of proper alignment plate shearing machine is needed, there is bigger fault tolerant workspace, steel plate is driven by frictional force between feeding roller 2 and steel plate
Motion, is slowly smoothly sent into plate shearing machine, realizes the purpose of automatic charging, can also avoid traditional feeding style to plate shearing machine
Presser feet baffle plate produces impact failure.
Power set 3 drive the motion amplitude of feeding roller larger, in order to precisely adjust the position where steel plate, are filled in power
Put 3 and manual rocking handle 6 is set to the power transmission shaft of feeding roller 2, rotary manual rocking handle 6 can drive power transmission shaft to rotate, be sent so as to drive
Material roller 2 rotates.The type of belt drive of power transmission shaft is a preferred embodiment of the present invention, and being also according to forms such as belt transmissions can be with
, it is not necessary to creative work is paid, should also be protected by the present invention；Correspondingly, driving handle is set on drive, because
Power transmission shaft in this present invention is referred to as to be a kind of, is not limited in axle transmission.
Power set 3 are closed when needing to finely tune steel plate position, manual rocking handle 6 is can be manually rotated, feeding roller 2 is turned at a slow speed
It is dynamic, the front and back position for adjusting steel plate by a small margin can be adjusted by way of forward or reverse, motor driven rotary speed is very fast, steel
There is inertia in plate, it is difficult to accurately stop, being not present and be used to because the speed that can be manually rotated manual rocking handle 6 is slower, during stopping when stopping
Property, it can accurately determine the front and back position of steel plate；Being adjusted when rotating, the speed of rotation matches with artificial left and right adjusting, from
And accurately determine right position, manually rocking handle 6 before adjustment after position when manual adjustment or so position, improve steel plate
The precision of cutting.
On the basis of such scheme, the present invention sets clutch 5 on the power transmission shaft of power set 3 to feeding roller 2, from
Clutch 5 controls the break-make of drive path, passing power when clutch 5 engages, power transmission is disconnected during separation；Clutch 5 is to sending
Expect to set manual rocking handle 6 on the power transmission shaft of roller 2, clutch 5 engaged when needing power set 3 to drive feeding roller 2 to rotate feeding,
Pass through the passing power of clutch 5；The separation cut power transmission of clutch 5, operating personnel when needing can be manually rotated manual rocking handle 6
It is lighter during rotation.
Specifically, the rotating shaft of manual rocking handle 6 is nibbled between power transmission shaft, manual rocking handle 6 and power transmission shaft by bevel gear
Close transmission.Bevel gear is set in the end of manual rocking handle 6, bevel gear is set with power transmission shaft, both are passed with realizing in corresponding engagement
Dynamic, the rotating shaft of manual rocking handle 6 is perpendicular to power transmission shaft.A kind of preferable scheme is only used as by bevel gear engaged transmission, can also be
Belt pulley is set respectively in power transmission shaft and manual rocking handle 6, drives power transmission shaft to rotate by rotatable pulley, these are specific manual
The kind of drive should be all included within protection scope of the present invention.
Preferably, manual rocking handle 6 is driven to rotate during work in order to avoid power set 3 drive, the present invention is set using segmentation
The structure put, the rotating shaft of manual rocking handle 6 include the canned paragraph 61 and active segment 62 that are mutually inserted, and canned paragraph 61 and active segment 62 are each
From by bearing rotational support, both of which is rotatable, and one end of canned paragraph 61 is provided for the bevel gear of engaged transmission, for band
Dynamic power transmission shaft rotation, canned paragraph 61 can only rotate and can not move axially；One end of active segment 62 is provided for gripping the L rotated
Shape handle, active segment 62 is driven to rotate by rotary handle.The rotating shaft of canned paragraph 61 and active segment 62 is located along the same line, Gu
The end for determining section 61 and active segment 62 is driven by spline engagement, and active segment 62 can be axially translated, passes through the band of power set 3
Active segment 62 is outwards extracted out when starting building to make, separated with canned paragraph 61, both are no longer driven, and active segment 62 is not with power set 3
Rotation, avoids damaging personnel；Active segment 62 is pushed home into when needing can be manually rotated, nibbled with canned paragraph by spline
Transmission is closed, can hand swivel feeding roller 2.It is only its theory structure shown in Fig. 1, does not represent manual rocking handle 6 downward.
Further, in order to adjust rotating speed, power set 3 are connected the input of gearbox 4, different by adjusting
Gear changes the rotating speed of output, controls the transfer rate of feeding roller 2.The output end drive connection clutch 5 of gearbox 4, clutch
The drive connection feeding roller 2 of device 5, namely clutch 5 are arranged between gearbox 4 and feeding roller 2, certainly, can also be set gearbox 4
It is placed between clutch 5 and feeding roller.
Power transmission shaft between power set 3, gearbox 4 and clutch 5 is horizontally disposed with, and positioned at the bottom of feeding roller 2, is passed
The horizontal segment of moving axis needs to be communicated up power, therefore sets vertical power transmission shaft between the power transmission shaft and feeding roller 2 of level, erects
The direct transfer both ends of moving axis set bevel gear engaged transmission respectively, bevel gear are set in horizontal conveyor the tip of the axis, with vertical transmission
The bevel gear engaged transmission of axle, similarly sets bevel gear on feeding roller 2, and the bevel gear at the top of vertical power transmission shaft drives feeding
Roller 2 rotates.In addition, belt transmission or Chain conveyer can be also used, these specifically set form all to be protected by the present invention
Shield.
Support 1 is contacted by leg 11 with ground, and generally at least provided with four legs 11, leg 11 is in set vertically
Put, in the bottom thread set adjusting set 12 of leg 11, extension of the adjusting set 12 as leg 11, rotary regulating sleeve 12 can
Feeding roller 2 and the height and levelness on ground are adjusted, makes feeding roller 2 keep flushing with the charging aperture of plate shearing machine.
Preferably, the power set 3 in the present invention are motor, are worked by button point operation control.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle, it can realize in other embodiments without departing from the spirit or scope of the present invention.Therefore, this hair
It is bright to be not intended to be limited to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty phase
Consistent most wide scope.
Claims (8)
- A kind of 1. automatic feeding, it is characterised in that including the support (1) for support limit, the top of the support (1) In horizontal parallel, more feeding rollers (2) are set, the both ends of the every feeding roller (2) are rotationally connected with the support (1) respectively, It is connected between the feeding roller (2), to drive horizontal positioned steel plate thereon to move；Also include the power set (3) being arranged on the support (1), power set (3) drive connection feeding roller (2) manual rocking handle (6), is set on the power set (3) to the power transmission shaft of the feeding roller (2), rotates the manual rocking handle (6) feeding roller (2) can be driven to rotate.
- 2. automatic feeding according to claim 1, it is characterised in that the power set (3) to the feeding roller (2) clutch (5) is set on power transmission shaft, set on the power transmission shaft of the clutch (5) to the feeding roller (2) described manual Rocking handle (6).
- 3. automatic feeding according to claim 2, it is characterised in that the rotating shaft of the manual rocking handle (6) perpendicular to Power transmission shaft, the manual rocking handle (6) pass through bevel gear engaged transmission between power transmission shaft.
- 4. automatic feeding according to claim 3, it is characterised in that the rotating shaft of the manual rocking handle (6) includes phase The canned paragraph (61) and active segment (62) of mutual grafting, one end of the canned paragraph (61) are provided for the bevel gear of engaged transmission, One end of the active segment (62) is provided for gripping the L-shaped handle rotated；The canned paragraph (61) and the active segment (62) End be driven by spline engagement, the active segment (62) can be axially translated.
- 5. automatic feeding according to claim 4, it is characterised in that power set (3) the drive connection speed change The input of case (4), the output end drive connection clutch (5) of the gearbox (4), clutch (5) transmission connect Connect the feeding roller (2).
- 6. automatic feeding according to claim 5, it is characterised in that the power set (3), the gearbox (4) power transmission shaft between the clutch (5) is horizontally disposed with, and positioned at the bottom of the feeding roller (2)；Horizontal power transmission shaft Vertical power transmission shaft is set between the feeding roller (2), and the both ends of the vertical power transmission shaft set bevel gear engaged transmission respectively.
- 7. automatic feeding according to claim 6, it is characterised in that the support (1) passes through leg (11) and ground Face is contacted, and the bottom thread set adjusting set (12) of the leg, the feeding roller can be adjusted by rotating the adjusting set (12) (2) with the height and levelness on ground.
- 8. automatic feeding according to claim 7, it is characterised in that the power set (3) are motor, by by Button point operation control works.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711227302.2A CN107813013B (en) | 2017-11-29 | 2017-11-29 | Automatic feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711227302.2A CN107813013B (en) | 2017-11-29 | 2017-11-29 | Automatic feeding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107813013A true CN107813013A (en) | 2018-03-20 |
| CN107813013B CN107813013B (en) | 2023-12-29 |
Family
ID=61605083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711227302.2A Active CN107813013B (en) | 2017-11-29 | 2017-11-29 | Automatic feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107813013B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112705781A (en) * | 2020-12-23 | 2021-04-27 | 二重（德阳）重型装备有限公司 | Pinch roll device |
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| FR1386532A (en) * | 1963-12-13 | 1965-01-22 | Bronzavia Sa | Machine for cutting metal or other strips into pieces of given length |
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| CN2216906Y (en) * | 1994-08-15 | 1996-01-10 | 中国人民建设银行沈阳市分行 | Machine for folding papers and pressing them |
| JPH10315035A (en) * | 1997-05-15 | 1998-12-02 | Shiyooda Tectron Kk | Shearing machine for plate material |
| CN1440914A (en) * | 2002-01-30 | 2003-09-10 | 株式会社冈村制作所 | Roller type conveyer |
| CN201882533U (en) * | 2010-11-29 | 2011-06-29 | 昆明钦瑜机械有限公司 | Sealing type tobacco purchasing device with manual switching |
| CN202162443U (en) * | 2011-04-28 | 2012-03-14 | 长城汽车股份有限公司 | Rear positioning device for hydraulic plate shear for automobiles |
| CN102765622A (en) * | 2012-07-30 | 2012-11-07 | 桂林华工百川科技有限公司 | Z-shaped rubber cutting machine |
| CN204018830U (en) * | 2014-06-24 | 2014-12-17 | 福建金浦汽车悬架有限公司 | Leaf springs of car steel plate shearing machine |
| CN204396723U (en) * | 2015-01-09 | 2015-06-17 | 南京中盛铁路车辆配件有限公司 | Stamping-out feed mechanism |
| CN105598313A (en) * | 2016-02-24 | 2016-05-25 | 安徽得高金属制品有限公司 | Full-automatic plate-shearing feeding machine |
| CN207494682U (en) * | 2017-11-29 | 2018-06-15 | 长春伟成机械设备有限公司 | A kind of automatic feeding |
-
2017
- 2017-11-29 CN CN201711227302.2A patent/CN107813013B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1386532A (en) * | 1963-12-13 | 1965-01-22 | Bronzavia Sa | Machine for cutting metal or other strips into pieces of given length |
| CN2080901U (en) * | 1990-12-22 | 1991-07-17 | 刘为成 | Automatic carton binding machine of reciprocating folding type |
| CN2216906Y (en) * | 1994-08-15 | 1996-01-10 | 中国人民建设银行沈阳市分行 | Machine for folding papers and pressing them |
| JPH10315035A (en) * | 1997-05-15 | 1998-12-02 | Shiyooda Tectron Kk | Shearing machine for plate material |
| CN1440914A (en) * | 2002-01-30 | 2003-09-10 | 株式会社冈村制作所 | Roller type conveyer |
| CN201882533U (en) * | 2010-11-29 | 2011-06-29 | 昆明钦瑜机械有限公司 | Sealing type tobacco purchasing device with manual switching |
| CN202162443U (en) * | 2011-04-28 | 2012-03-14 | 长城汽车股份有限公司 | Rear positioning device for hydraulic plate shear for automobiles |
| CN102765622A (en) * | 2012-07-30 | 2012-11-07 | 桂林华工百川科技有限公司 | Z-shaped rubber cutting machine |
| CN204018830U (en) * | 2014-06-24 | 2014-12-17 | 福建金浦汽车悬架有限公司 | Leaf springs of car steel plate shearing machine |
| CN204396723U (en) * | 2015-01-09 | 2015-06-17 | 南京中盛铁路车辆配件有限公司 | Stamping-out feed mechanism |
| CN105598313A (en) * | 2016-02-24 | 2016-05-25 | 安徽得高金属制品有限公司 | Full-automatic plate-shearing feeding machine |
| CN207494682U (en) * | 2017-11-29 | 2018-06-15 | 长春伟成机械设备有限公司 | A kind of automatic feeding |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112705781A (en) * | 2020-12-23 | 2021-04-27 | 二重（德阳）重型装备有限公司 | Pinch roll device |
| CN112705781B (en) * | 2020-12-23 | 2022-03-18 | 二重（德阳）重型装备有限公司 | Pinch roll device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107813013B (en) | 2023-12-29 |
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Address after: 130000 Jilin Province Changchun Jingyue Economic Development Zone Jingyue sub group phase II Jilin Province Liangdu economic and Trade Co.,Ltd. Applicant after: Changchun Weicheng Machinery Equipment Co.,Ltd. Address before: 130000 Jilin Province Changchun Jingyue Economic Development Zone Jingyue sub group phase II Jilin Province Liangdu economic and Trade Co.,Ltd. Applicant before: CHANGCHUN WEICHENG MACHINERY EQUIPMENT Co.,Ltd. |