CN110899340B - Hollow part rolling device - Google Patents
Hollow part rolling device Download PDFInfo
- Publication number
- CN110899340B CN110899340B CN201911328590.XA CN201911328590A CN110899340B CN 110899340 B CN110899340 B CN 110899340B CN 201911328590 A CN201911328590 A CN 201911328590A CN 110899340 B CN110899340 B CN 110899340B
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- Prior art keywords
- sliding
- box
- slider
- belt
- fixed mounting
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- Expired - Fee Related
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
- B21B19/12—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially parallel to the axis of the work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
Abstract
The invention discloses a hollow part rolling device, which relates to the field of metal rolling, and particularly relates to a hollow part rolling device, which comprises a box body, wherein a feeding cavity is arranged in the box body, a first motor is fixedly arranged on the rear end wall of the feeding cavity, the front end of the first motor is in power connection with a driving shaft, a first belt pulley, a second belt pulley and a first rotary table are fixedly arranged on the driving shaft from back to front in sequence, a first rotary shaft is rotatably arranged on the front end wall of the feeding cavity, a second rotary table capable of being in transmission with the first rotary table and two third rotary tables with four first grooves are fixedly arranged on the rear end of the first rotary shaft, a first transmission belt positioned between the two third rotary tables and a second transmission belt positioned on the right side of the first transmission belt and connected with the first transmission belt are fixedly arranged on the front end wall and the rear end wall of the feeding cavity, and the hollow part rolling device can be used for rolling a hollow part, and inserting the bar stock into the hollow part after feeding before rolling, taking out the bar stock after rolling, and separately storing the hollow part and the bar stock.
Description
Technical Field
The invention relates to the technical field of metal rolling, in particular to a hollow part rolling device.
Background
The rolling is a pressure processing method that the metal blank passes through the gap between a pair of rotating rollers, the material section is reduced and the length is increased due to the compression of the rollers, the method has the advantages of high production efficiency, large scale, low energy consumption, low cost, high mechanization and automation degree, is suitable for mass continuous production and is the most important metal pressure processing mode, but the process is difficult to process hollow parts.
Disclosure of Invention
In view of the technical shortcomings, the invention provides a hollow part rolling device which can overcome the defects.
The hollow part rolling device comprises a box body, wherein a feeding cavity is arranged in the box body, a first motor is fixedly installed on the rear end wall of the feeding cavity, the front end of the first motor is in power connection with a driving shaft, a first belt pulley, a second belt pulley and a first rotary table are fixedly installed on the driving shaft from back to front in sequence, a first rotating shaft is rotatably installed on the front end wall of the feeding cavity, a second rotary table capable of being driven by the first rotary table and two third rotary tables with four first grooves and located on the front side of the second rotary table are fixedly installed on the rear end of the first rotating shaft, a first driving belt located between the two third rotary tables and a second driving belt located on the right side of the first driving belt and connected with the first driving belt are fixedly installed on the front end wall of the feeding cavity, a second rotating shaft is fixedly installed on the rear end of the second rotating shaft, a third belt connected with the second belt pulley through the first belt pulley and a third belt located on the third rotary table are fixedly installed on the rear end of the second rotating shaft Sector gear of band pulley front side, feeding chamber lower extreme is equipped with the platform, it can be with sector gear meshed's rack to slide on the platform, be equipped with first dovetail in the platform, it is equipped with first slider to slide in the first dovetail, first slider right-hand member passes through first spring coupling with first dovetail right-hand member, first slider upper end and rack lower extreme fixed connection, first axis of rotation upside is equipped with into excellent subassembly, be equipped with the rolling chamber that is located feeding chamber right side in the box, the end wall rotates about the rolling intracavity and is equipped with two rollers, fixed mounting has the roll on the roller, be equipped with roll body and second recess on the roll, rolling chamber rear end face fixed mounting has blanking way, rolling chamber front side is equipped with out excellent subassembly.
Preferably, the rod feeding assembly comprises a third conveyor belt fixedly arranged on the front end surface and the rear end surface of the feeding cavity, first baffle plates fixedly arranged on the two sides of the third conveyor belt and fixedly arranged on the left end surface of the feeding cavity are arranged on the right side of the third conveyor belt, a first sliding box fixedly connected with the top end of the feeding cavity is arranged on the right side of the third conveyor belt, the left side, the right side and the lower side of the third conveyor belt are communicated with the feeding cavity, a second sliding block is arranged in the first sliding box in a sliding manner, a third rotating shaft is arranged on the rear end wall of the feeding cavity in a rotating manner, a fourth belt pulley connected with the first belt pulley through a second belt is fixedly arranged on the front end surface of the third rotating shaft, a first fixed point and a second fixed point are arranged on the front end surface of the fourth belt pulley, the second fixed point is connected with a first connecting rod through a hinge, the other end of the first connecting rod is connected with the first fixed point in a hinge manner, a second connecting rod is further hinged on the first fixed point, and the other end of the second connecting rod is connected with the second sliding block in a hinge manner, the lower end of the first sliding box is provided with a cover plate, one end of the cover plate is hinged with the first sliding box through a third fixed point, and the cover plate is connected with the first sliding box through a second spring.
Preferably, the rod discharging assembly comprises a second baffle plate positioned on the left side of the blanking channel, a through hole is arranged in the second baffle plate, a rod collecting box is arranged on the left side of the blanking channel, a hollow part storage box is arranged on the right side of the blanking channel, a sliding cavity is arranged on the right side of the hollow part storage box, two symmetrical second motors are fixedly mounted on the front end wall and the rear end wall of the sliding cavity, the left end of each second motor is in power connection with a screw rod, two third sliding blocks are arranged on the screw rod in a matched mode, a U-shaped sliding block is fixedly connected between the two third sliding blocks, a second sliding box is fixedly mounted between the two second motors, two first sliding grooves communicated with the outside and second sliding grooves communicated with the outside are symmetrically arranged on the left end of each U-shaped sliding block, two fourth sliding blocks are arranged in the first sliding grooves in a sliding mode, and a clamp is fixedly mounted on the left end of each fourth sliding block, the fourth slider right-hand member is equipped with the second dovetail, it is equipped with the fifth slider to slide in the second dovetail, it is equipped with left end and fifth slider right-hand member face fixed connection and extends to the slide bar of second slip case right to slide in the second spout, slide bar right-hand member fixed mounting has the stopper, U type slider left side groove fixed mounting has the knockout rod that extends left.
Preferably, be equipped with four spacing grooves on the second carousel, the fixed dwang that is equipped with on the first carousel, fixed mounting has the gag lever post with spacing groove complex on the dwang.
The beneficial effects are that: the device simple structure, convenient operation, the device can roll to the hollow member, inserts the bar to the hollow member after the feeding before rolling, starts to roll, takes out the bar after the rolling completion to separately store to hollow member and bar, whole process is automatic going on completely, does not need artifical the participation, reduces the manpower.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of A-A of FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a schematic view of B-B in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is a schematic view of C-C in FIG. 1 according to an embodiment of the present invention;
FIG. 5 is a schematic view of D-D of FIG. 1 according to an embodiment of the present invention;
FIG. 6 is an enlarged schematic view of the structure at E in FIG. 1 according to an embodiment of the present invention;
FIG. 7 is an enlarged schematic view of the structure of FIG. 3 at F according to an embodiment of the present invention;
fig. 8 is a schematic diagram of the movement structure of the second rotating disk 52 and the first rotating disk 57 in fig. 4 according to the embodiment of the present invention.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The invention will now be described in detail with reference to fig. 1-8, for the sake of convenience, the orientations described hereinafter being defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The hollow part rolling device comprises a box body 10, a feeding cavity 39 with an opening facing to the left is arranged in the box body 10, a first motor 53 is fixedly installed on the rear end wall of the feeding cavity 39, the front end of the first motor 53 is in power connection with a driving shaft 54, a first belt pulley 55, a second belt pulley 56 and a first rotary disc 57 are fixedly installed on the driving shaft 54 from back to front in sequence, a first rotating shaft 31 is rotatably installed on the front end wall of the feeding cavity 39, a second rotary disc 52 capable of being driven by the first rotary disc 57 and two third rotary discs 29 with four first grooves 51 and located on the front side of the second rotary disc 52 are fixedly installed on the rear end wall of the first rotating shaft 31, a first transmission belt 30 located between the two third rotary discs 29 and a second transmission belt 58 located on the right side of the first transmission belt 30 and connected with the first transmission belt 30 are fixedly installed on the front and rear end walls of the feeding cavity 39, the feeding cavity 39 is provided with a second rotating shaft 28 at the front end wall, a third belt pulley 62 connected with the second belt pulley 56 through a first belt 61 and a sector gear 27 positioned at the front side of the third belt pulley 62 are fixedly mounted at the rear end of the second rotating shaft 28, a platform 22 is arranged at the lower end of the feeding cavity 39, a rack 26 capable of being meshed with the sector gear 27 is arranged on the platform 22 in a sliding manner, a first dovetail groove 23 is arranged in the platform 22, a first slider 25 is arranged in the first dovetail groove 23 in a sliding manner, the right end of the first slider 25 and the right end of the first dovetail groove 23 are connected through a first spring 24, the upper end of the first slider 25 is fixedly connected with the lower end of the rack 26, a rod feeding assembly is arranged at the upper side of the first rotating shaft 31, a rolling cavity 11 positioned at the right side of the feeding cavity 39 is arranged in the box 10, and two roller shafts 13 are arranged on the left and right end walls in the rolling cavity 11 in a rotating manner, a roller 12 is fixedly mounted on the roller shaft 13, a roller body 14 and a second groove 15 are arranged on the roller 12, a blanking channel 18 is fixedly mounted on the rear end face of the rolling cavity 11, and a rod discharging assembly is arranged on the front side of the rolling cavity 11.
Advantageously, the feed rod assembly comprises a third conveyor belt 32 fixedly arranged on the front and rear end surfaces of the feed cavity 39, the third conveyor belt 32 is provided with first baffle plates 33 fixedly arranged on the two sides of the left end surface of the feed cavity 39, the right side of the third conveyor belt 32 is provided with a first sliding box 35 fixedly connected with the top end of the feed cavity 39, the left side, the right side and the lower side of the third conveyor belt are communicated with the feed cavity 39, a second sliding block 34 is arranged in the first sliding box 35 in a sliding manner, the rear end wall of the feed cavity 39 is rotatably provided with a third rotating shaft 59, the front end of the third rotating shaft 59 is fixedly provided with a fourth belt pulley 38 connected with the first belt pulley 55 through a second belt 60, the front end surface of the fourth belt pulley 38 is provided with a first fixing point 71 and a second fixing point 72, the second fixing point 72 is connected with a first connecting rod 37 through a hinge, the other end of the first connecting rod 37 is hinged with the first fixing point 71, the first fixing point 71 is further hinged to a second connecting rod 36, the other end of the second connecting rod 36 is hinged to the second sliding block 34, a cover plate 65 is arranged at the lower end of the first sliding box 35, one end of the cover plate 65 is hinged to the first sliding box 35 through a third fixing point 64, and the cover plate 65 is connected with the first sliding box 35 through a second spring 63.
Beneficially, the rod discharging assembly comprises a second baffle plate 19 positioned on the left side of the blanking channel 18, a through hole 20 is arranged in the second baffle plate 19, a rod collecting box 21 is arranged on the left side of the blanking channel 18, a hollow part storage box 17 is arranged on the right side of the blanking channel 18, a sliding cavity 16 is arranged on the right side of the hollow part storage box 17, two symmetrical second motors 42 are fixedly mounted on the front and rear end walls of the sliding cavity 16, a screw rod 41 is dynamically connected to the left end of each second motor 42, two third sliding blocks 40 are cooperatively arranged on the screw rod 41, a U-shaped sliding block 46 is fixedly connected between the two third sliding blocks 40, a second sliding box 44 is fixedly mounted between the two second motors 42, two first sliding grooves 48 communicated with the outside and a second sliding groove 73 communicated with the outside at the left end and the first sliding groove 48 are symmetrically arranged on the left end of each U-shaped sliding block 46, two fourth sliding blocks 49 are slidably arranged in the first sliding grooves 48, fourth slider 49 left end fixed mounting has anchor clamps 50, fourth slider 49 right-hand member is equipped with second dovetail 66, it is equipped with fifth slider 67 to slide in the second dovetail 66, it is equipped with left end and the right-hand member face fixed connection of fifth slider 67 and extends to the slide bar 45 of second slip case 44 right to slide in the second spout 73, slide bar 45 right-hand member fixed mounting has stopper 43, U type slider 46 left side groove fixed mounting has the ejector rod 47 that extends left.
Advantageously, four limiting grooves 68 are formed in the second rotating disc 52, a rotating rod 69 is fixedly arranged on the first rotating disc 57, and a limiting rod 70 matched with the limiting grooves 68 is fixedly arranged on the rotating rod 69.
In the initial state, the first spring 24 is in a normal tension state, the first slider 25 is located at the leftmost side of the first dovetail groove 23, the second spring 63 is in a normal tension state, the cover plate 65 is in a closed state, and the third slider 40 and the U-shaped slider 46 are located at the rightmost side.
When the operation is started, the hollow member enters the box 10 from the leftmost side of the first transmission belt 30, enters the first groove 51 on the left side of the third rotary table 29, the first motor 53 is started, so as to drive the driving shaft 54 to rotate, so as to drive the first rotary table 57 to rotate, the first rotary table 57 rotates one circle, so as to drive the second rotary table 52 to rotate one quarter of a circle, the hollow member is driven to rotate to the upper side by the second rotary table 52, meanwhile, the bar enters the box 10 from the left side of the third transmission belt 32, so as to enter the first sliding box 35, at the same time, the driving shaft 54 drives the first belt pulley 55 to rotate, so as to drive the fourth belt pulley 38 to rotate, so as to drive the second sliding block 34 to slide up and down in the first sliding box 35, when the second sliding block 34 slides down, the bar is pushed to slide down, so as to drive the cover plate 65 to rotate around the third fixing point 64, the second spring 63 is stretched, the channel is opened, so that the bar enters the hollow member, and when the second sliding block 34 slides up, the cover plate 65 is closed again by the second spring 63, the tape core member is rotated to the right by the second rotary table 52, and is slid to the platform 22 via the first transmission belt 30 and the second transmission belt 58, and at the same time, the driving shaft 54 drives the second pulley 56 to rotate, thereby driving the third pulley 62 to rotate, thereby driving the second rotating shaft 28 to rotate, thereby driving the sector gear 27 to rotate, when the sector gear 27 is engaged with the rack 26, the rack 26 is slid to the right, thereby driving the first slider 25 to slide to the right, the first spring 24 is compressed, and simultaneously the tape core member is driven to slide to the right between the two rolls 12, when the sector gear 27 is not engaged with the rack 26, because the first slider 25 is slid to the left by the first spring 24, thereby the rack 26 is slid to the left, after the tape core member enters between the rolls 12, the roll shaft 13 is rotated, thereby driving the rolls 12 to rotate, and when the second groove 15 is rotated to the top, the core rod slides to the lowest point of the blanking channel 18 through the rotation of the second groove 15, the second motor 42 rotates forward to drive the screw rod 41 to rotate, thereby driving the third slide block 40 to slide leftwards, thereby driving the U-shaped slide block 46 to slide leftwards, thereby driving the slide rod 45, the limiting block 43, the fourth slide block 49 and the clamp 50 to slide leftwards, when the limiting block 43 moves to the left end surface of the second slide box 44, the slide rod 45, the limiting block 43, the fourth slide block 49 and the clamp 50 do not slide leftwards and rightwards, the third slide block 40 and the U-shaped slide block 46 continue sliding leftwards, due to the action of the first sliding groove 48, the fourth slide block 49 and the clamp 50 are clamped, the second dovetail groove 66 slides in the fifth slide block 67, the ejector rod 47 is inserted into the hollow part to push the rod out from the through hole 20 and fall into the rod collecting box 21, when the third slide block 40 and the U-shaped slide block 46 slide to the leftmost side, the clamp 50 clamps the hollow part, the second motor 42 rotates reversely, thereby drive screw rod 41 and rotate, thereby drive third slider 40 and slide right, thereby drive U type slider 46 and slide right, thereby drive slide bar 45, stopper 43, fourth slider 49, anchor clamps 50 and hollow part slide right, after stopper 43 moved the second slide box 44 right-hand member face, slide bar 45, stopper 43, fourth slider 49, anchor clamps 50 do not carry out the horizontal slip, third slider 40, U type slider 46 continue to slide right, because first spout 48 effect, fourth slider 49, anchor clamps 50 separate, hollow part falls into hollow part bin 17, the device resets.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.
Claims (4)
1. The utility model provides a hollow rolling device, the power distribution box comprises a box body, be equipped with the feeding chamber in the box, feeding chamber rear end wall fixed mounting has first motor, first motor front end power is connected with the drive shaft, by last fixed mounting in proper order in back, second belt pulley, first carousel in the drive shaft, feeding chamber front end wall rotates and installs first axis of rotation, first axis of rotation rear end fixed mounting can with first carousel driven second carousel and be located two third carousels that have four first recesses of second carousel front side, end wall fixed mounting has the first driving belt that is located between two third carousels and is located first driving belt right side and the second drive belt that links to each other with first driving belt around the feeding chamber, feeding chamber front end wall fixed mounting has the second axis of rotation, second axis of rotation rear end fixed mounting has the third belt pulley of being connected through first belt with the second belt pulley and is located the third belt pulley and link to each other The sector gear of front side, feeding chamber lower extreme is equipped with the platform, it can be with sector gear meshed's rack to slide on the platform to be equipped with, be equipped with first dovetail in the platform, it is equipped with first slider to slide in the first dovetail, first slider right-hand member passes through first spring coupling with first dovetail right-hand member, first slider upper end and rack lower extreme fixed connection, first axis of rotation upside is equipped with into excellent subassembly, be equipped with the rolling chamber that is located feeding chamber right side in the box, the end wall rotates about the rolling intracavity and is equipped with two rollers, fixed mounting has the roll on the roller, be equipped with roll body and second recess on the roll, rolling chamber rear end face fixed mounting has the blanking way, rolling chamber front side is equipped with out excellent subassembly.
2. A hollow member rolling apparatus as claimed in claim 1, wherein: the feeding rod assembly comprises a third conveying belt fixedly arranged on the front end face and the rear end face of the feeding cavity, first baffle plates fixedly arranged on the two sides of the third conveying belt and fixedly arranged on the left end face of the feeding cavity are arranged on the right side of the third conveying belt, a first sliding box fixedly connected with the top end of the feeding cavity and communicated with the feeding cavity is arranged on the left side and the right side of the third conveying belt, a second sliding block is arranged in the first sliding box in a sliding mode, a third rotating shaft is arranged on the rear end wall of the feeding cavity in a rotating mode, a fourth belt pulley connected with the first belt pulley through a second belt is fixedly arranged at the front end of the third rotating shaft, a first fixed point and a second fixed point are arranged on the front end face of the fourth belt pulley, the second fixed point is connected with a first connecting rod through a hinge, the other end of the first connecting rod is connected with the first fixed point in a hinge mode, a second connecting rod is further hinged to the first fixed point, and the other end of the second connecting rod is hinged with the second sliding block, the lower end of the first sliding box is provided with a cover plate, one end of the cover plate is hinged with the first sliding box through a third fixed point, and the cover plate is connected with the first sliding box through a second spring.
3. A hollow member rolling apparatus as claimed in claim 2, wherein: the rod discharging assembly comprises a second baffle plate positioned on the left side of the blanking channel, a through hole is arranged in the second baffle plate, a rod collecting box is arranged on the left side of the blanking channel, a hollow part storage box is arranged on the right side of the blanking channel, a sliding cavity is arranged on the right side of the hollow part storage box, two symmetrical second motors are fixedly arranged on the front end wall and the rear end wall of the sliding cavity, the left end of each second motor is in power connection with a screw rod, two third sliders are arranged on the screw rods in a matched mode, a U-shaped slider is fixedly connected between the two third sliders, a second sliding box is fixedly arranged between the two second motors, two first sliding grooves communicated with the outside and second sliding grooves, the left ends of the two first sliding grooves are communicated with the first sliding grooves, the right ends of the two second sliding grooves are communicated with the outside, two fourth sliders are arranged in the first sliding grooves in a sliding mode, and a clamp is fixedly arranged at the left end of each fourth slider, the fourth slider right-hand member is equipped with the second dovetail, it is equipped with the fifth slider to slide in the second dovetail, it is equipped with left end and fifth slider right-hand member face fixed connection and extends to the slide bar of second slip case right to slide in the second spout, slide bar right-hand member fixed mounting has the stopper, U type slider left side groove fixed mounting has the knockout rod that extends left.
4. A hollow member rolling apparatus according to claim 3, wherein: be equipped with four spacing grooves on the second carousel, the fixed dwang that is equipped with on the first carousel, fixed mounting has the gag lever post with spacing groove complex on the dwang.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911328590.XA CN110899340B (en) | 2019-12-20 | 2019-12-20 | Hollow part rolling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911328590.XA CN110899340B (en) | 2019-12-20 | 2019-12-20 | Hollow part rolling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110899340A CN110899340A (en) | 2020-03-24 |
| CN110899340B true CN110899340B (en) | 2021-07-30 |
Family
ID=69827035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911328590.XA Expired - Fee Related CN110899340B (en) | 2019-12-20 | 2019-12-20 | Hollow part rolling device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110899340B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1133824A (en) * | 1966-05-05 | 1968-11-20 | Hasenclever Ag Maschf | Process for roll forging and device for carrying out the process |
| JPS52102863A (en) * | 1976-02-25 | 1977-08-29 | Mitsubishi Heavy Ind Ltd | Device for inserting and positioning blank in forminggbyyrolling device |
| CN101623703B (en) * | 2009-08-05 | 2012-11-14 | 吉林大学 | Continuous roll and platen type cross wedge rolling machine |
| CN201511046U (en) * | 2009-10-30 | 2010-06-23 | 济南第二汽车配件有限公司 | Cross wedge rolling hollow shaft type loading and unloading device |
| CN201791742U (en) * | 2010-09-12 | 2011-04-13 | 赣州汇众精密锻造有限责任公司 | Cross wedge rolling automatic feeding device |
| CN102601122B (en) * | 2012-03-13 | 2014-10-15 | 西安交通大学 | Alternating-current direct-drive servo device for main transmission and two-roller radial spacing adjustment |
| CN103861978B (en) * | 2014-03-28 | 2015-07-29 | 苏州京机锻造装备科技有限公司 | There is the cross wedge rolling machine that function sent into automatically by workpiece |
| CN104014702B (en) * | 2014-05-16 | 2015-12-23 | 宁波工程学院 | A kind of processing unit (plant) of uniform internal diameter hollow shaft |
-
2019
- 2019-12-20 CN CN201911328590.XA patent/CN110899340B/en not_active Expired - Fee Related
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| CN110899340A (en) | 2020-03-24 |
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Effective date of registration: 20210714 Address after: 211200 Kechuang building, Futian Road, Zhetang street, Lishui Economic Development Zone, Nanjing City, Jiangsu Province Applicant after: Nanjing Lishui hi tech industry Equity Investment Co.,Ltd. Address before: No.27, Zhujia street, Songxia, Shangyu District, Shaoxing City, Zhejiang Province Applicant before: Shaoxing xiaou Technology Co.,Ltd. |
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Granted publication date: 20210730 Termination date: 20211220 |