CN104550320A - Steel elastic sleeve device for increasing outer diameter of winding drum of recoiling machine with jaw - Google Patents
Steel elastic sleeve device for increasing outer diameter of winding drum of recoiling machine with jaw Download PDFInfo
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- CN104550320A CN104550320A CN201510013418.0A CN201510013418A CN104550320A CN 104550320 A CN104550320 A CN 104550320A CN 201510013418 A CN201510013418 A CN 201510013418A CN 104550320 A CN104550320 A CN 104550320A
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Abstract
The invention relates to a steel elastic sleeve device for increasing an outer diameter of a winding drum of a recoiling machine with a jaw. The steel elastic sleeve device comprises four fan-shaped plates, wherein the jaw is formed in one fan-shaped plate; the four fan-shaped plates are connected end to end and are in a cylindrical shape; each fan-shaped plate comprises an inner arc plate, an outer arc plate, two side plates and two end plates; two side plates of each fan-shaped plate are opposite to the side plates of the adjacent fan-shaped plate; any two adjacent fan-shaped plates are connected with each other through a plurality of groups of spring mechanisms; each fan-shaped plate is provided with a plurality of groups of synchronous expansion and contraction mechanisms; and the synchronous expansion and contraction mechanisms can fix the steel elastic sleeve device on the winding drum of the recoiling machine. According to the steel elastic sleeve device, the outer diameter of the winding drum of the recoiling machine can be greatly increased; the steel elastic sleeve device can effectively expand and contract along with the winding drum; and the device is simple to install, low in cost, and safe and reliable to use.
Description
Technical field
The present invention relates to cold rolling processing line, be specifically related to a kind of steel bomb sleeve arrangement for increasing band jaw coiler mandrel external diameter, for increasing the external diameter of band jaw coiler mandrel.
Background technology
At present, domestic cold-rolling treatment tape jaw mandrel diameter of coiling machine general requirements is φ 510 and φ 610 two kinds, for each specific band jaw coiler mandrel, can only be applicable to a kind of coil of strip of internal diameter.
Large diameter coil of strip be more suitable for producing thick, the hardness of thickness large, roll up great coil of strip; to reduce strip plastic deformation amount, boundary belt steel internal performance, effectively can improve band steel lumber recovery and promote unit production capacity; can widen raw material specification, therefore designing reel increasing footpath device has using value very much simultaneously.At present, applying wider reel, to increase footpath device be increase footpath plate, and increase footpath plate similar with drum fan-shaped plate single chip architecture and mate, increasing footpath plate material is generally nonmetal, is bolted on every sheet fanning strip of reel by many groups.But increase footpath plate and have following deficiency: 1) increase external diameter limited, generally can only increase 10mm ~ 30mm; 2) installation and removal are very complicated, need the time longer.
Summary of the invention
For existing technical problem, the object of this invention is to provide a kind of steel bomb sleeve arrangement for increasing band jaw coiler mandrel external diameter, this device can significantly increase coiler mandrel external diameter and can effectively along with reel harmomegathus, this device is installed simply, cost is low, safe and reliable.
In order to solve the problem, technical scheme of the present invention is:
For increasing the steel bomb sleeve arrangement of band jaw coiler mandrel external diameter, comprise four pieces of fanning strips, wherein one piece of fanning strip is provided with jaw, four fanning strips join end to end in annulus cylindricality, described fanning strip includes arc plate, outer arcuate plate, two side plates and two end plates, outer arcuate plate forms the excircle configuration of annulus post, arc plate forms the interior circle contour of annulus post, two side plates of each fanning strip are just to the side plate of adjacent fanning strip, end plate forms the end face of annulus post, connected by array spring mechanism between any two adjacent fanning strips, each fanning strip is provided with the synchronous expansion mechanism of array, steel bomb sleeve arrangement can be fixed on coiler mandrel by synchronous expansion mechanism.
Described spring mechanism comprises guide post, spring, pad, slotted nut and split pin, the correspondence position of any two adjacent side plates is equipped with through hole, guide post is each passed through the through hole in two adjacent side plates and coordinates with through hole, the two ends of guide post are overlapped closely successively by the outside arc direction of side plate and are had two groups of springs, pad and slotted nut, the two ends of spring respectively with side plate and pad contacts, spring is in compressive state all the time, split pin is passed guide post and is arranged in the open slot of slotted nut, outer arcuate plate is equipped with opening on the correspondence position of guide post.
Described synchronous expansion mechanism comprises square plate, cylinder and screw, cylinder is between outer arcuate plate and arc plate, one end and the outer arcuate plate of cylinder are fixed, outer arcuate plate is provided with opening on the corresponding region of end face of cylinder, the other end and the square plate of cylinder are fixed, square plate can block the opening of cylinder, square plate and arc plate are fixed, square plate and arc plate are equipped with through hole, through hole on square plate is screwed hole, described screwed hole and screw adapt, coiler mandrel is also provided with identical screwed hole, screw can coordinate with the screwed hole on square plate and coiler mandrel and fanning strip and coiler mandrel is fixed together.
Further, the one-sided side plate of each described fanning strip is also provided with two places and namely stops expansion mechanism, the described expansion mechanism that namely stops comprises jackscrew screw bolt and nut, nut is fixed on side plate, jackscrew bolt be each passed through nut and side plate and and nut screw connection, jackscrew bolt is just to adjacent side plate, on all fanning strips, the tightening direction of jackscrew nut is all clockwise or is all counterclockwise, by regulating namely each fanning strip stop expansion mechanism, steel bomb sleeve arrangement can be made to be in any harmomegathus position in scope and to keep, outer arcuate plate is provided with opening on the relevant position of jackscrew nut.
Further, one end end plate of described each fanning strip is provided with radial opening groove, the arc plate of the other end is provided with shaft orientation opening groove, the two ends of coiler mandrel can fix the block adapted with open slot respectively, by the cooperation of block and open slot, the Relative sliding between steel bomb sleeve arrangement and coiler mandrel can be prevented.
Further, described open slot is dovetail groove.
Further, described steel bomb sleeve arrangement also comprises the location-plate that four are conducive to the installation and removal of coiler mandrel, described location-plate can be arranged within the space that two adjacent side plates and guide post formed, and one end of described location-plate is provided with handle.
Further, the external diameter of described coiler mandrel increases scope is 60mm-150mm.
Further, the both sides of described each outer arcuate plate are equipped with rectangular teeth, direction and the outer arcuate plate of rectangular teeth are tangent, and the setting of all reporting to the leadship after accomplishing a task of the rectangular teeth on all adjacent outer arcuate plates is worked in coordination, and the rectangular teeth on described rectangular teeth and coiler sector plate matches.
Further, described each fanning strip is provided with gusset between arc plate and outer arcuate plate, and gusset is fenestral fabric.
Further, described each arc plate is equipped with the welding hole for welding.
The invention has the beneficial effects as follows:
The present invention significantly can increase the external diameter of coiler mandrel, and spring mechanism and synchronous expansion mechanism can make steel bomb sleeve arrangement effectively along with reel harmomegathus, and the present invention installs simply, cost is low, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the stereogram of the embodiment of the present invention.
Fig. 2 is the front view of the embodiment of the present invention.
Fig. 3 is the left view of the embodiment of the present invention.
Fig. 4 is the right view of the embodiment of the present invention.
Fig. 5 is the sectional view in A-A direction in Fig. 2.
Fig. 6 is the sectional view in B-B direction in Fig. 2.
Fig. 7 is the stereogram of fanning strip of the present invention.
Fig. 8 is the stereogram of the fanning strip of band jaw of the present invention.
In figure: 1-fanning strip; 2-jaw; 3-location-plate; 4-spring mechanism; Namely 5-stops expansion mechanism; 6-block; 7-radial opening groove; 8-shaft orientation opening groove; The synchronous expansion mechanism of 9-; 10-outer arcuate plate; 11-arc plate; 12-side plate; 13-rectangular teeth.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope of protection of the invention.
As shown in Figures 1 to 6, for increasing the steel bomb sleeve arrangement of band jaw coiler mandrel external diameter, comprise four pieces of fanning strips 1, wherein one piece of fanning strip 1 is provided with jaw 2, and four fanning strips 1 join end to end in annulus cylindricality, described fanning strip 1 includes arc plate 11, outer arcuate plate 10, two side plates 12 and two end plates, when ensureing that circumferential pressure is constant, arc plate 11 substantially increases the contact area of steel bomb sleeve arrangement and reel, effectively alleviate the unit pressure that coiler mandrel is caused, cancel stress to concentrate, protect coiler mandrel, outer arcuate plate 10 forms the excircle configuration of annulus post, arc plate 11 forms the interior circle contour of annulus post, two side plates 12 of each fanning strip 1 are just to the side plate 12 of adjacent fanning strip 1, end plate forms the end face of annulus post, connected by array spring mechanism 4 between any two adjacent fanning strips 1, each fanning strip 1 is provided with the synchronous expansion mechanism 9 of array, steel bomb sleeve arrangement can be fixed on coiler mandrel by synchronous expansion mechanism 9.
As Fig. 1, shown in Fig. 2 and Fig. 6, in the present embodiment, 10 groups of spring mechanisms 4 are provided with between any two adjacent fanning strips 1, in concrete practice, can as required (as, the length of steel bomb sleeve arrangement) number of spring mechanism 4 is set (with regard to this example, 10 groups of spring mechanisms 4 can meet the serviceability requirement of steel bomb sleeve arrangement), described spring mechanism 4 comprises guide post, spring, pad, slotted nut and split pin, the correspondence position of any two adjacent side plates 12 is equipped with 10 groups of through holes, guide post is each passed through 10 groups of through holes in two adjacent side plates 12 and coordinates with through hole, described guide post should carry out modifier treatment and blackening process, prevent fatigue fracture and get rusty, the two ends of guide post are overlapped closely successively by outside arc 10 direction of side plate 12 and are had two groups of springs, pad and slotted nut, the two ends of spring respectively with side plate 12 and pad contacts, spring is in compressive state all the time, split pin is passed guide post and is arranged in the open slot of slotted nut, split pin is used for preventing nut loosening, outer arcuate plate 10 is equipped with opening on the correspondence position of guide post, be convenient to the installation of spring mechanism 4, debugging and dismounting, adjacent fanning strip 1 not only can connect together by spring mechanism 4, the power of contraction can also be provided for fanning strip 1, its principle is: the spring of spring mechanism 4 is all the time in compressive state, elastic deformation can be there is, when the reel harmomegathus of coiling machine, spacing (that is, the distance between adjacent side plates 12) between two fanning strips 1 changes under the effect of elastic deformation, thus changes the external diameter of described steel bomb sleeve arrangement.
Above-mentioned spring mechanism 4 adopts other structure can complete corresponding function equally, as spring replaced to the flexible member such as disc spring or disc spring group.
As shown in Figure 7 and Figure 8, in the present embodiment, the fanning strip 1 of band jaw 2 is provided with 3 synchronous expansion mechanisms 9, and synchronous expansion mechanism 9 is arranged on the near middle (owing to there being jaw 2, can not be arranged on middle part, therefore try one's best near middle part) of the fanning strip 1 of band jaw 2, its excess-three identical fanning strip 1 is respectively provided with 2 synchronous expansion mechanisms 9, and synchronous expansion mechanism 9 is arranged on the middle part of fanning strip 1, as shown in Figure 1, Figure 2 with shown in Fig. 5, described synchronous expansion mechanism 9 comprises square plate, cylinder and screw, cylinder is between outer arcuate plate 10 and arc plate 11, one end and the outer arcuate plate 10 of cylinder are fixed, outer arcuate plate 10 is provided with opening on the corresponding region of end face of cylinder, be convenient to mount and dismount screw, the other end and the square plate of cylinder are fixed, square plate can block the opening of cylinder, cylinder can effectively prevent screw careless landing in the process of installation or removal from entering the inside of fanning strip 1, square plate and arc plate 11 are fixed, square plate and arc plate 11 are equipped with through hole, through hole on square plate is screwed hole, described screwed hole and screw adapt, coiler mandrel is also provided with identical screwed hole, screw can coordinate with the screwed hole on square plate and coiler mandrel and fanning strip 1 and coiler mandrel is fixed together.Find in practice, if only provide contraction power by spring mechanism 4, can not ensure that steel bomb sleeve arrangement can well shrink at every turn together with coiler mandrel, this is mainly because after taking the lead to enter jaw 2, band steel has certain contact with between steel bomb sleeve arrangement, frictional resistance is produced during contraction, causing can not be well servo-actuated together, the basis of spring mechanism 4 increases synchronous expansion mechanism 9, steel bomb sleeve arrangement harmomegathus synchronous with coiler mandrel can be ensured, when reel increases to proper circle position, the external diameter of steel bomb sleeve arrangement is also positioned at proper circle position.In the present embodiment, the external diameter increase scope of described coiler mandrel can arrive 60mm-150mm.
Above-mentioned synchronous expansion mechanism 9, except screw, can also adopt the tightening member such as bolt, stud to complete the fixing of fanning strip and coiler mandrel.
As Fig. 1, shown in Fig. 2 and Fig. 5, in the present embodiment, the one-sided side plate 12 of each described fanning strip 1 is also provided with two places and namely stops expansion mechanism 5, the described expansion mechanism 5 that namely stops comprises jackscrew screw bolt and nut, nut is fixed on side plate 12, jackscrew bolt be each passed through nut and side plate 12 and with nut screw connection (side plate 12 is provided with the hole passed for jackscrew bolt), jackscrew bolt is just to adjacent side plate 12, on all fanning strips 1, the tightening direction of jackscrew nut is all clockwise or is all counterclockwise (when adjusting jackscrew bolt and making it contact with just right side plate 12, can ensure that all fanning strips 1 form the locking mechanism closed), by regulating namely each fanning strip 1 stop expansion mechanism 5, steel bomb sleeve arrangement can be made to be in any harmomegathus position in scope and to keep (when after steel bomb sleeve arrangement harmomegathus, regulate again and namely stop expansion mechanism 5, play the role of positioning), outer arcuate plate 10 is provided with opening on the relevant position of jackscrew nut, be conducive to the installation namely stopping expansion mechanism 5, adjustment and dismounting.Namely expansion mechanism 5 is stopped, installation and the assembling being very easy to steel bomb sleeve arrangement simple to operation.
As Fig. 1, shown in Fig. 3 and Fig. 4, in the present embodiment, one end end plate of described each fanning strip 1 is provided with radial opening groove 7, the arc plate 11 of the other end is provided with shaft orientation opening groove 8, described radial and axial open slot is dovetail groove, except the fanning strip 1 of band jaw 2, open slot is all arranged on the fanning strip 1 center (open slot of the fanning strip 1 of band jaw 2, center is not arranged on) because jaw 2 limits, be conducive to ensureing equalising torque, the two ends of coiler mandrel can fix the block 6 adapted with open slot respectively, by the cooperation of block 6 and open slot, the Relative sliding between steel bomb sleeve arrangement and coiler mandrel can be prevented, in the present embodiment, open slot adopts when this form of dovetail groove is convenient installs and leads, when mounted, first block 6 is arranged on one end of coiler mandrel, then coordinated with radial opening groove 7 by block 6, coiler mandrel is arranged on steel bomb sleeve arrangement, and then the block 6 coordinated with shaft orientation opening groove 8 is installed on coiler mandrel, block 6 coordinates with shaft orientation opening groove 8, prevent axial and circumferential from moving, block 6 coordinates with radial opening groove 7, prevent circumferential movement.
As shown in Figures 1 to 6, in the present embodiment, described steel bomb sleeve arrangement also comprises the location-plate 3 that four are conducive to coiler mandrel installation and removal, and described location-plate 3 can be arranged within the space that adjacent two side plates 12 and guide post formed, and one end of location-plate 3 is provided with handle.When needs unload steel bomb sleeve arrangement from coiler mandrel, reel rises behind footpath to certain position, insert location-plate 3, then reel is shunk until when gap between adjacent side plates 12 is also narrow than location-plate 3, unload steel bomb sleeve arrangement (if reel and steel bomb sleeve arrangement are fixed together by the screw of synchronous expansion mechanism 9, first should unload screw before unloading steel bomb sleeve arrangement); When steel bomb sleeve arrangement is assembled on coiler mandrel by needs, reel rises footpath, extracts four location-plates 3 out, drops into and normally uses.
As shown in Figure 7 and Figure 8, in the present embodiment, described each fanning strip 1 is provided with gusset between arc plate 11 and outer arcuate plate 10, and gusset is fenestral fabric, effectively can ensure the structural strength of this device; Described each arc plate 11 is equipped with square hole, conveniently carries out the welding of internal structure; The both sides of described each outer arcuate plate 10 are equipped with rectangular teeth 13, direction and the outer arcuate plate 10 of rectangular teeth 13 are tangent, prevent stress from concentrating, the setting of all reporting to the leadship after accomplishing a task of rectangular teeth 13 on all adjacent outer arcuate plates 10 is worked in coordination, described rectangular teeth 13 matches with the rectangular teeth on coiler sector plate 1, convenient observation coiler mandrel internal structure; Steel bomb sleeve arrangement is arranged on after on reel, jaw 2 on steel bomb sleeve arrangement matches with the jaw position on reel, described jaw 2 is horn mouth shape, be convenient to guide steel band to take the lead to enter coiler mandrel jaw 2, coiler mandrel rises behind footpath, and the jaw 2 on reel clamps takes the lead, and then starts automatic curled coil of strip, jaw 2 on steel bomb sleeve arrangement is designed to opening form, and taking the lead when ensureing that coil of strip unloads volume can smoothly out.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. for increasing the steel bomb sleeve arrangement of band jaw coiler mandrel external diameter, it is characterized in that: comprise four pieces of fanning strips, wherein one piece of fanning strip is provided with jaw, four fanning strips join end to end in annulus cylindricality, described fanning strip includes arc plate, outer arcuate plate, two side plates and two end plates, two side plates of each fanning strip are just to the side plate of adjacent fanning strip, connected by array spring mechanism between any two adjacent fanning strips, each fanning strip is provided with the synchronous expansion mechanism of array, steel bomb sleeve arrangement can be fixed on coiler mandrel by synchronous expansion mechanism.
2. as claimed in claim 1 for increasing the steel bomb sleeve arrangement of band jaw coiler mandrel external diameter, it is characterized in that: described spring mechanism comprises guide post, spring, pad, slotted nut and split pin, the correspondence position of any two adjacent side plates is equipped with through hole, guide post is each passed through the through hole in two adjacent side plates and coordinates with through hole, the two ends of guide post are overlapped closely successively by the outside arc direction of side plate and are had two groups of springs, pad and slotted nut, the two ends of spring respectively with side plate and pad contacts, spring is in compressive state all the time, split pin is passed guide post and is arranged in the open slot of slotted nut, outer arcuate plate is equipped with opening on the correspondence position of guide post.
3. as claimed in claim 1 for increasing the steel bomb sleeve arrangement of band jaw coiler mandrel external diameter, it is characterized in that: described synchronous expansion mechanism comprises square plate, cylinder and screw, cylinder is between outer arcuate plate and arc plate, one end and the outer arcuate plate of cylinder are fixed, outer arcuate plate is provided with opening on the corresponding region of end face of cylinder, the other end and the square plate of cylinder are fixed, square plate can block the opening of cylinder, square plate and arc plate are fixed, square plate and arc plate are equipped with through hole, through hole on square plate is screwed hole, described screwed hole and screw adapt, coiler mandrel is also provided with identical screwed hole, screw can coordinate with the screwed hole on square plate and coiler mandrel and fanning strip and coiler mandrel is fixed together.
4. as claimed in claim 1 for increasing the steel bomb sleeve arrangement of band jaw coiler mandrel external diameter, it is characterized in that: the one-sided side plate of each described fanning strip is also provided with two places and namely stops expansion mechanism, the described expansion mechanism that namely stops comprises jackscrew screw bolt and nut, nut is fixed on side plate, jackscrew bolt be each passed through nut and side plate and and nut screw connection, jackscrew bolt is just to adjacent side plate, on all fanning strips, the tightening direction of jackscrew nut is all clockwise or is all counterclockwise, by regulating namely each fanning strip stop expansion mechanism, steel bomb sleeve arrangement can be made to be in any harmomegathus position in scope and to keep, outer arcuate plate is provided with opening on the relevant position of jackscrew nut.
5. as claimed in claim 1 for increasing the steel bomb sleeve arrangement of band jaw coiler mandrel external diameter, it is characterized in that: one end end plate of described each fanning strip is provided with radial opening groove, the arc plate of the other end is provided with shaft orientation opening groove, the two ends of coiler mandrel can fix the block adapted with open slot respectively, by the cooperation of block and open slot, the Relative sliding between steel bomb sleeve arrangement and coiler mandrel can be prevented.
6., as claimed in claim 5 for increasing the steel bomb sleeve arrangement of band jaw coiler mandrel external diameter, it is characterized in that: described open slot is dovetail groove.
7. as claimed in claim 1 for increasing the steel bomb sleeve arrangement of band jaw coiler mandrel external diameter, it is characterized in that: described steel bomb sleeve arrangement also comprises the location-plate that four are conducive to coiler mandrel installation and removal, described location-plate can be arranged within the space that two adjacent side plates and guide post formed, and one end of location-plate is provided with handle.
8., as claimed in claim 1 for increasing the steel bomb sleeve arrangement of band jaw coiler mandrel external diameter, it is characterized in that: it is 60mm-150mm that the external diameter of described coiler mandrel increases scope.
9. as claimed in claim 1 for increasing the steel bomb sleeve arrangement of band jaw coiler mandrel external diameter, it is characterized in that: the both sides of described each outer arcuate plate are equipped with rectangular teeth, direction and the outer arcuate plate of rectangular teeth are tangent, the setting of all reporting to the leadship after accomplishing a task of rectangular teeth on all adjacent outer arcuate plates is worked in coordination, and the rectangular teeth on described rectangular teeth and coiler sector plate matches.
10., as claimed in claim 1 for increasing the steel bomb sleeve arrangement of band jaw coiler mandrel external diameter, it is characterized in that: described each fanning strip is provided with gusset between arc plate and outer arcuate plate, and gusset is fenestral fabric.
11., as claimed in claim 1 for increasing the steel bomb sleeve arrangement of band jaw coiler mandrel external diameter, is characterized in that: described each arc plate is equipped with the welding hole for welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510013418.0A CN104550320B (en) | 2015-01-12 | 2015-01-12 | Steel elastic sleeve device for increasing outer diameter of winding drum of recoiling machine with jaw |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510013418.0A CN104550320B (en) | 2015-01-12 | 2015-01-12 | Steel elastic sleeve device for increasing outer diameter of winding drum of recoiling machine with jaw |
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| CN104550320A true CN104550320A (en) | 2015-04-29 |
| CN104550320B CN104550320B (en) | 2017-01-25 |
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Cited By (7)
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| CN106734366A (en) * | 2016-12-15 | 2017-05-31 | 中冶陕压重工设备有限公司 | A kind of reel increases the method that footpath device and its reel increase footpath |
| CN108380695A (en) * | 2018-04-23 | 2018-08-10 | 黄石山力科技股份有限公司 | A kind of roll device that two-fold diameter jaw batches |
| CN109647934A (en) * | 2018-12-26 | 2019-04-19 | 中冶南方工程技术有限公司 | Diameter increasing sleeve cylinder for coiler mandrel |
| CN110227947A (en) * | 2019-05-20 | 2019-09-13 | 林佳朋 | A kind of metal coils machine production equipment and production method |
| CN110560882A (en) * | 2019-09-29 | 2019-12-13 | 重庆科技学院 | Rigid and elastic inner support cylinder for friction stir welding |
| CN113118240A (en) * | 2021-04-23 | 2021-07-16 | 武汉钢铁有限公司 | Coiler mandrel capable of preventing strip steel from being clamped |
| CN114367607A (en) * | 2020-10-15 | 2022-04-19 | 安徽永舟文具有限公司 | Multi-axis linkage spring machine |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106734366A (en) * | 2016-12-15 | 2017-05-31 | 中冶陕压重工设备有限公司 | A kind of reel increases the method that footpath device and its reel increase footpath |
| CN108380695A (en) * | 2018-04-23 | 2018-08-10 | 黄石山力科技股份有限公司 | A kind of roll device that two-fold diameter jaw batches |
| CN109647934A (en) * | 2018-12-26 | 2019-04-19 | 中冶南方工程技术有限公司 | Diameter increasing sleeve cylinder for coiler mandrel |
| CN110227947A (en) * | 2019-05-20 | 2019-09-13 | 林佳朋 | A kind of metal coils machine production equipment and production method |
| CN110227947B (en) * | 2019-05-20 | 2021-03-02 | 上海甘投中铸科技有限公司 | Metal winding drum machine production equipment and production method |
| CN110560882A (en) * | 2019-09-29 | 2019-12-13 | 重庆科技学院 | Rigid and elastic inner support cylinder for friction stir welding |
| CN110560882B (en) * | 2019-09-29 | 2023-06-06 | 重庆科技学院 | Friction stir welding rigid elastic inner support cylinder |
| CN114367607A (en) * | 2020-10-15 | 2022-04-19 | 安徽永舟文具有限公司 | Multi-axis linkage spring machine |
| CN114367607B (en) * | 2020-10-15 | 2024-04-19 | 安徽永舟文具有限公司 | Multi-shaft linkage spring machine |
| CN113118240A (en) * | 2021-04-23 | 2021-07-16 | 武汉钢铁有限公司 | Coiler mandrel capable of preventing strip steel from being clamped |
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| CN104550320B (en) | 2017-01-25 |
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