CN113911788A - External drive type nanocrystalline coiled material positioning device - Google Patents
External drive type nanocrystalline coiled material positioning device Download PDFInfo
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- CN113911788A CN113911788A CN202111254102.2A CN202111254102A CN113911788A CN 113911788 A CN113911788 A CN 113911788A CN 202111254102 A CN202111254102 A CN 202111254102A CN 113911788 A CN113911788 A CN 113911788A
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- 239000000463 material Substances 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000007667 floating Methods 0.000 claims description 62
- 230000035515 penetration Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 239000002707 nanocrystalline material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000696 magnetic material 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
- 230000008569 process Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/26—Mechanisms for controlling contact pressure on winding-web package, e.g. for regulating the quantity of air between web layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/173—Metal
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Abstract
The invention discloses an external driving type nanocrystalline coiled material positioning device, which comprises an external driving mechanism; in order to improve the convenience of driving, the driving of the whole structure finally extends to one side of the outer part of the base, the movable toothed plate is driven to move through the pushing of the pushing rod, the rotating gear is driven to rotate, the external thread driving rod is driven to rotate and move up and down in the thread channel of the positioning block when the rotating gear rotates, and the rotating gear can also rotate and move up and down.
Description
Technical Field
The invention relates to an external driving type nanocrystalline coiled material positioning device.
Background
The nanocrystalline material in the magnetic material has excellent characteristics of high magnetic conductivity, high saturation magnetic flux, low loss and the like, and has wide application in the fields of sensors, transformers, switching power supplies and the like; because the nanocrystalline material is rapidly quenched and cooled, stress is generated due to unbalanced structure, and the magnetic property of the nanocrystalline is very sensitive to the stress, the stress in the material is eliminated through heat treatment, so that the magnetic property of the material is improved; the nanocrystalline material is because the roll layer curvature radius is different in the heat treatment process to lead to the ectonexine shrink volume inconsistent, stress release is inhomogeneous, when carrying out next technology, must closely laminate between the coiled material layer, so need fix a position the coiled material, and need adjust in a flexible way, guarantee the stability and the flexibility of location, need realize the convenience of adjusting simultaneously.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: the external driving type nanocrystalline coiled material positioning device is convenient to adjust, flexible to use and stable in structure.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
an external drive type nanocrystalline coiled material positioning device comprises a base and a scroll; the reel is arranged above the base; the base is of an inverted U-shaped structure; the device also comprises an opening and closing positioning mechanism and an external driving mechanism; the opening and closing positioning mechanism comprises a positioning block, a driving column, a floating transverse rod, a floating longitudinal plate, a driving abutting ring body, a rotating opening and closing plate, an elastic resetting column and an abutting roller; a positioning block is fixedly arranged at the upper end of the base; one end of the scroll is downwards movably connected with the upper end of the positioning block; a threaded channel is arranged in the middle of the lower end of the positioning block; the driving column is rotatably connected to the middle of the base in a penetrating manner; the upper end of the driving column is provided with an external thread driving rod; the external thread driving rod at the upper end of the driving column is screwed in the thread channel of the positioning block; two sides of the driving column are respectively provided with a floating cross rod in a rotating and clamping manner; the upper sides of the outer ends of the floating transverse rods are respectively provided with a floating longitudinal plate; the outer sides of the floating longitudinal plates are respectively connected to the side parts of the base in a sliding and clamping mode up and down; the inner sides of the upper ends of the floating longitudinal plates are jointly provided with a driving abutting ring body; a plurality of outer lugs are uniformly arranged on the outer sides of the periphery of the upper end of the positioning block; the upper end of the outer lug is provided with a rotary opening-closing plate, and the lower end of the rotary opening-closing plate is rotatably connected to the outer lug; a plurality of elastic reset columns are uniformly arranged inside the periphery of the upper end of the positioning block; the elastic reset column is pressed against the inner side of the lower end of the rotary opening-closing plate from the outer side; the inner sides of the periphery of the driving abutting ring body abut against the outer sides of the rotary opening and closing plates; the upper ends of the rotary opening-closing plates are respectively provided with a pressing roller; when the driving abutting ring body moves downwards, the upper ends of the plurality of rotating opening and closing plates are driven to rotate inwards, and meanwhile, the plurality of abutting rollers are driven to abut against the outer sides of the periphery of the scroll; the external driving mechanism is arranged at the lower end of the driving column; the external driving mechanism comprises a rotating gear, a movable toothed plate, a linkage rod, a pushing rod and a floating limiting block; the lower end of the driving column is provided with a rotating gear; one side of the rotating gear is meshed with the moving gear; the linkage rod is arranged below the rotating gear and the movable toothed plate; one end of the linkage rod is rotationally clamped with the middle of the lower end of the rotating gear, and the other end of the linkage rod is slidably clamped with the lower side of the movable toothed plate; a push rod is arranged on one side of the movable toothed plate; one side of the base is provided with a floating penetration groove; the floating limiting block is vertically clamped in the floating penetration groove in a sliding manner; the outer end of the push rod penetrates through the floating limiting block and extends to the outside of one side of the base.
Furthermore, a rotary linkage clamping groove is formed in the middle of the lower end of the rotating gear; one side of the movable toothed plate is provided with a linkage sliding chute; one end of the linkage rod is provided with linkage rotating teeth, and the other end of the linkage rod is provided with linkage sliding teeth; the linkage rotating teeth at one end of the linkage rod are mutually and rotatably clamped with the rotary linkage clamping grooves in the middle of the lower ends of the rotating gears; and the linkage sliding tooth at the other end of the linkage rod is slidably clamped on the linkage sliding groove at one side of the movable toothed plate.
Furthermore, two sides below the positioning block are respectively provided with a cross-connecting side plate; the middle of each cross-connecting side plate is provided with a cross-connecting groove; the floating cross rod is connected to the through connecting groove of the through connecting side plate in a vertically sliding and penetrating mode.
Furthermore, two sides of the upper end of the base are respectively provided with a limiting rod; limiting heads are respectively arranged on the inner sides of the limiting rods; the middle of the outer side of the floating longitudinal plate is provided with a longitudinal sliding chute; the floating longitudinal plate is connected to the limiting head of the limiting rod in a sliding and clamping mode through a longitudinal sliding groove in the middle of the outer side.
Furthermore, an upper threaded column is arranged on the outer side of the middle of one end of the scroll; a lower thread groove is formed in the middle of the upper end of the positioning block; the upper threaded column is in threaded rotary connection with the lower threaded groove.
Further, the lower ends of the rotary opening-closing plates are respectively provided with a rotary frame; the rotating frame is of an inverted U-shaped structure; a rotating shaft is respectively arranged inside two sides of the lower end of the rotating frame; the two sides of the outer lug are respectively provided with a rotary clamping groove; and the rotating shafts on two sides of the lower end of the rotating frame are rotatably clamped on the rotating clamping grooves on two sides of the outer convex block.
Furthermore, annular clamping grooves are formed in the periphery of the upper end of the driving column; the inner ends of the floating cross rods are respectively provided with clamping arc-shaped teeth; the annular clamping grooves on the periphery of the upper end of the driving column are rotationally clamped with the clamping arc-shaped teeth at the inner end of the floating cross rod.
Furthermore, the inner parts of the periphery of the upper end of the positioning block are respectively provided with a butting groove; the abutting grooves are internally provided with an abutting elastic body respectively; an elastic reset column is respectively inserted in the abutting grooves, and the abutting elastic bodies elastically abut against the inner ends of the elastic reset columns towards the outer side.
Further, the outer sides of the periphery of the pressing roller are provided with rubber sleeves.
The invention has the following beneficial effects:
1. in order to improve the convenience of driving, the driving of the whole structure finally extends to one side of the outer part of the base, the movable toothed plate is driven to move through the pushing of the pushing rod, the rotating gear is driven to rotate, the external thread driving rod is driven to rotate and move up and down in the thread channel of the positioning block when the rotating gear rotates, and the rotating gear can also rotate and move up and down.
2. The invention is additionally provided with the opening and closing positioning mechanism, the driving column drives the external thread driving rod to rotate downwards in the thread channel of the positioning block, so that the floating transverse rod is driven to move downwards, the floating longitudinal plate is driven to move downwards, the abutting ring body is driven to move downwards when the floating longitudinal plate moves downwards, the abutting ring body is driven to press the plurality of rotating opening and closing plates when being driven to move downwards, the upper ends of the plurality of rotating opening and closing plates rotate inwards, and the plurality of abutting rollers are driven to abut against the outer sides around the scroll, so that the nanocrystalline coiled material on the outer sides around the scroll is positioned, and all layers of the coiled material are tightly attached.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the reel of the present invention.
Fig. 3 is a schematic structural diagram of the opening and closing positioning mechanism and the base of the present invention.
Fig. 4 is a partially enlarged view of the middle of fig. 3 according to the present invention.
Fig. 5 is a partial enlarged structural view of the side of fig. 3 according to the present invention.
FIG. 6 is a schematic top view of the pressing roller, the winding shaft and the strip of the present invention.
Fig. 7 is a side view of the rotary opening plate and the external protrusion of the present invention.
Fig. 8 is a side view of the cross-connecting side plate and floating cross bar of the present invention.
Fig. 9 is an enlarged schematic structural view of the external driving mechanism of the present invention.
Fig. 10 is a schematic side view of the floating limiting block and the floating penetration groove at one side of the base in fig. 9.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 10, an external driving type positioning device for a nanocrystalline coiled material comprises a base 1 and a scroll 2; the reel 2 is arranged above the base 1; the base 1 is of an inverted U-shaped structure; the folding and unfolding positioning mechanism 3 and the external driving mechanism 5 are also included; the opening and closing positioning mechanism 3 comprises a positioning block 31, a driving column 32, a floating transverse rod 33, a floating longitudinal plate 34, a driving abutting ring body 35, a rotating opening and closing plate 36, an elastic resetting column 38 and an abutting roller 37; a positioning block 31 is fixedly arranged at the upper end of the base 1; one end of the scroll 2 is downwards movably connected with the upper end of the positioning block 31; a threaded channel 312 is arranged in the middle of the lower end of the positioning block 31; the rotation of the driving column 32 is connected to the middle of the base 1 in a penetrating way; the upper end of the driving column 32 is provided with an external thread driving rod 321; the external thread driving rod 321 at the upper end of the driving column 32 is screwed in the thread channel 312 of the positioning block 31; two sides of the driving column 32 are respectively provided with a floating cross rod 33 in a rotating and clamping manner; the upper sides of the outer ends of the floating transverse rods 33 are respectively provided with a floating longitudinal plate 34; the outer sides of the floating longitudinal plates 34 are respectively connected to the side parts of the base 1 in a vertically sliding and clamping manner; a driving abutting ring body 35 is arranged on the inner sides of the upper ends of the floating longitudinal plates 34; a plurality of outer lugs 315 are uniformly arranged on the outer sides of the periphery of the upper end of the positioning block 31; the upper end of the outer bump 315 is provided with a rotary opening-closing plate 36, and the lower end of the rotary opening-closing plate 36 is rotatably connected to the outer bump 315; a plurality of elastic reset columns 38 are uniformly arranged inside the periphery of the upper end of the positioning block 31; the elastic reset column 38 is pressed against the inner side of the lower end of the rotary opening-closing plate 36 from the outside; the inner sides of the periphery of the driving abutting ring body 35 abut against the outer side of the rotary opening and closing plate 36; the upper ends of the rotary opening-closing plates 36 are respectively provided with a pressing roller 37; when the driving abutting ring body 35 moves downwards, the upper ends of the plurality of rotating opening and closing plates 36 are driven to rotate inwards, and meanwhile, the plurality of abutting rollers 37 are driven to abut against the outer side of the periphery of the scroll 2; the external driving mechanism 5 is arranged at the lower end of the driving column 32; the external driving mechanism 5 comprises a rotating gear 51, a movable toothed plate 52, a linkage rod 53, a pushing rod 54 and a floating limiting block 55; a rotating gear 51 is arranged at the lower end of the driving column 32; one side of the rotating gear 51 is meshed with a moving gear 52; the linkage rod 53 is arranged below the rotating gear 51 and the movable toothed plate 52; one end of the linkage rod 53 is rotationally clamped with the middle of the lower end of the rotating gear 51, and the other end of the linkage rod 53 is slidably clamped with the lower side of the movable toothed plate 52; a push rod 54 is arranged on one side of the movable toothed plate 52; a floating penetration groove 18 is formed in one side of the base 1; the floating limiting block 55 is vertically clamped in the floating penetration groove 18 in a sliding manner; the outer end of the pushing rod 54 passes through the floating limit block 55 and extends to the outside of one side of the base 1.
As shown in fig. 1 to 10, further, a rotary linkage clamping groove 511 is provided in the middle of the lower end of the rotating gear 51; one side of the movable toothed plate 52 is provided with a linkage sliding groove 521; one end of the linkage rod 53 is provided with a linkage rotating tooth 531, and the other end of the linkage rod 53 is provided with a linkage sliding tooth 532; the linkage rotating teeth 531 at one end of the linkage rod 53 are rotationally clamped with the rotary linkage clamping grooves 511 in the middle of the lower ends of the rotating gears 51; the other end of the linkage rod 53 is slidably engaged with the linkage sliding chute 521 at one side of the movable toothed plate 52 by the linkage sliding tooth 532. More preferably, two sides below the positioning block 31 are respectively provided with a cross-connecting side plate 313; the middle of the cross-connecting side plate 313 is respectively provided with a cross-connecting groove 3131; the floating cross bar 33 is slidably inserted into the insertion groove 3131 of the insertion side plate 313. Furthermore, two sides of the upper end of the base 1 are respectively provided with a limiting rod 11; the inner sides of the limiting rods 11 are respectively provided with limiting heads 111; the middle of the outer side of the floating longitudinal plate 34 is respectively provided with a longitudinal sliding groove 341; the floating vertical plate 34 is slidably clamped on the limiting head 111 of the limiting rod 11 through a longitudinal sliding groove 341 in the middle of the outer side. Furthermore, an upper threaded column 21 is arranged on the outer side of the middle of one end of the scroll 2; a lower thread groove 311 is arranged in the middle of the upper end of the positioning block 31; the upper threaded post 21 is threadedly and rotatably coupled in the lower threaded groove 311. Further, the lower ends of the rotary opening and closing plates 36 are respectively provided with a rotary frame 361; the rotating frame 361 is of an inverted U-shaped structure; a rotating shaft 362 is respectively arranged inside two sides of the lower end of the rotating frame 361; two sides of the outer bump 315 are respectively provided with a rotary clamping groove 3151; the rotating shafts 362 at two sides of the lower end of the rotating frame 361 are rotatably clamped on the rotating clamping grooves 3151 at two sides of the outer convex block 315. Further, an annular clamping groove 322 is formed around the upper end of the driving column 32; the inner ends of the floating cross bars 33 are respectively provided with clamping arc-shaped teeth 331; and the annular clamping groove 322 on the periphery of the upper end of the driving column 32 is rotationally clamped with the clamping arc-shaped teeth 331 at the inner end of the floating cross rod 33. Furthermore, the inner parts of the periphery of the upper end of the positioning block 31 are respectively provided with a butting groove 314; the abutting grooves 314 are respectively provided with an abutting elastic body 316; the abutting grooves 314 are respectively inserted with an elastic return post 38, and the abutting elastic bodies 316 elastically abut against the inner ends of the elastic return posts 38 towards the outside. Further, the outer sides of the periphery of the pressing roller 35 are provided with rubber sleeves.
In order to improve the convenience of driving, the driving of the whole structure is finally extended to one side of the outer part of the base 1, the movable toothed plate 52 is driven to move by the pushing of the pushing rod 54, so that the rotating gear 51 is driven to rotate, the external thread driving rod 321 is driven to rotate and move up and down in the thread channel 312 of the positioning block 31 when the rotating gear 51 rotates, so that the rotating gear 51 can also rotate and move up and down, the rotating gear 51 and the movable toothed plate 52 are linked by the linkage rod 53, the movable toothed plate 52 moves up and down along with the up and down movement, and the floating limiting block 55 slides up and down in the floating penetration groove 18 on one side of the base 1, so that the whole structure realizes the driving and realizes the linkage, and is ingenious in structural design and convenient to drive.
The opening and closing positioning mechanism 3 is additionally arranged, the driving post 32 drives the external thread driving rod 321 to rotate downwards in the thread channel 312 of the positioning block 31, so that the floating transverse rod 33 is driven to move downwards, the floating longitudinal plate 34 is driven to move downwards, the abutting ring body 35 is driven to move downwards when the floating longitudinal plate 34 moves downwards, the abutting ring body 35 is driven to press the plurality of rotating opening and closing plates 36 when being driven to move downwards, the upper ends of the plurality of rotating opening and closing plates 36 rotate inwards, and the plurality of abutting rollers 37 are driven to abut against the outer sides of the periphery of the scroll 2, so that the nanocrystalline coiled materials on the outer sides of the periphery of the scroll 2 are positioned, and all layers of the coiled materials 4 are tightly attached.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. An external drive type nanocrystalline coiled material positioning device comprises a base and a scroll; the reel is arranged above the base; the base is of an inverted U-shaped structure; the device is characterized by also comprising an opening and closing positioning mechanism and an external driving mechanism; the opening and closing positioning mechanism comprises a positioning block, a driving column, a floating transverse rod, a floating longitudinal plate, a driving abutting ring body, a rotating opening and closing plate, an elastic resetting column and an abutting roller; a positioning block is fixedly arranged at the upper end of the base; one end of the scroll is downwards movably connected with the upper end of the positioning block; a threaded channel is arranged in the middle of the lower end of the positioning block; the driving column is rotatably connected to the middle of the base in a penetrating manner; the upper end of the driving column is provided with an external thread driving rod; the external thread driving rod at the upper end of the driving column is screwed in the thread channel of the positioning block; two sides of the driving column are respectively provided with a floating cross rod in a rotating and clamping manner; the upper sides of the outer ends of the floating transverse rods are respectively provided with a floating longitudinal plate; the outer sides of the floating longitudinal plates are respectively connected to the side parts of the base in a sliding and clamping mode up and down; the inner sides of the upper ends of the floating longitudinal plates are jointly provided with a driving abutting ring body; a plurality of outer lugs are uniformly arranged on the outer sides of the periphery of the upper end of the positioning block; the upper end of the outer lug is provided with a rotary opening-closing plate, and the lower end of the rotary opening-closing plate is rotatably connected to the outer lug; a plurality of elastic reset columns are uniformly arranged inside the periphery of the upper end of the positioning block; the elastic reset column is pressed against the inner side of the lower end of the rotary opening-closing plate from the outer side; the inner sides of the periphery of the driving abutting ring body abut against the outer sides of the rotary opening and closing plates; the upper ends of the rotary opening-closing plates are respectively provided with a pressing roller; when the driving abutting ring body moves downwards, the upper ends of the plurality of rotating opening and closing plates are driven to rotate inwards, and meanwhile, the plurality of abutting rollers are driven to abut against the outer sides of the periphery of the scroll; the external driving mechanism is arranged at the lower end of the driving column; the external driving mechanism comprises a rotating gear, a movable toothed plate, a linkage rod, a pushing rod and a floating limiting block; the lower end of the driving column is provided with a rotating gear; one side of the rotating gear is meshed with the moving gear; the linkage rod is arranged below the rotating gear and the movable toothed plate; one end of the linkage rod is rotationally clamped with the middle of the lower end of the rotating gear, and the other end of the linkage rod is slidably clamped with the lower side of the movable toothed plate; a push rod is arranged on one side of the movable toothed plate; one side of the base is provided with a floating penetration groove; the floating limiting block is vertically clamped in the floating penetration groove in a sliding manner; the outer end of the push rod penetrates through the floating limiting block and extends to the outside of one side of the base.
2. The external drive type nanocrystalline coil positioning device according to claim 1, wherein a rotary linkage clamping groove is formed in the middle of the lower end of the rotating gear; one side of the movable toothed plate is provided with a linkage sliding chute; one end of the linkage rod is provided with linkage rotating teeth, and the other end of the linkage rod is provided with linkage sliding teeth; the linkage rotating teeth at one end of the linkage rod are mutually and rotatably clamped with the rotary linkage clamping grooves in the middle of the lower ends of the rotating gears; and the linkage sliding tooth at the other end of the linkage rod is slidably clamped on the linkage sliding groove at one side of the movable toothed plate.
3. The external driving type nanocrystalline coil positioning device according to claim 1, wherein two sides below the positioning block are respectively provided with a cross-connecting side plate; the middle of each cross-connecting side plate is provided with a cross-connecting groove; the floating cross rod is connected to the through connecting groove of the through connecting side plate in a vertically sliding and penetrating mode.
4. The external driving type nanocrystalline coil positioning device according to claim 1, wherein two sides of the upper end of the base are respectively provided with a limiting rod; limiting heads are respectively arranged on the inner sides of the limiting rods; the middle of the outer side of the floating longitudinal plate is provided with a longitudinal sliding chute; the floating longitudinal plate is connected to the limiting head of the limiting rod in a sliding and clamping mode through a longitudinal sliding groove in the middle of the outer side.
5. The external driven type nanocrystalline coil positioning device according to claim 1, wherein an upper threaded column is arranged outside the middle of one end of the reel; a lower thread groove is formed in the middle of the upper end of the positioning block; the upper threaded column is in threaded rotary connection with the lower threaded groove.
6. The external driving type nanocrystalline coil positioning device according to claim 1, wherein the lower ends of the rotary opening and closing plates are respectively provided with a rotary frame; the rotating frame is of an inverted U-shaped structure; a rotating shaft is respectively arranged inside two sides of the lower end of the rotating frame; the two sides of the outer lug are respectively provided with a rotary clamping groove; and the rotating shafts on two sides of the lower end of the rotating frame are rotatably clamped on the rotating clamping grooves on two sides of the outer convex block.
7. The external driving type nanocrystalline coil positioning device according to claim 1, wherein an annular clamping groove is formed around the upper end of the driving column; the inner ends of the floating cross rods are respectively provided with clamping arc-shaped teeth; the annular clamping grooves on the periphery of the upper end of the driving column are rotationally clamped with the clamping arc-shaped teeth at the inner end of the floating cross rod.
8. The external driving type nanocrystalline coil positioning device according to claim 1, wherein a butting groove is respectively formed inside the periphery of the upper end of the positioning block; the abutting grooves are internally provided with an abutting elastic body respectively; an elastic reset column is respectively inserted in the abutting grooves, and the abutting elastic bodies elastically abut against the inner ends of the elastic reset columns towards the outer side.
9. The external driving type nanocrystalline coil positioning device according to claim 1, wherein a rubber sleeve is arranged on the outer side of the periphery of the pressing roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111254102.2A CN113911788A (en) | 2021-10-27 | 2021-10-27 | External drive type nanocrystalline coiled material positioning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111254102.2A CN113911788A (en) | 2021-10-27 | 2021-10-27 | External drive type nanocrystalline coiled material positioning device |
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