CN106694665A - Edge folding mechanism - Google Patents
Edge folding mechanism Download PDFInfo
- Publication number
- CN106694665A CN106694665A CN201710102983.3A CN201710102983A CN106694665A CN 106694665 A CN106694665 A CN 106694665A CN 201710102983 A CN201710102983 A CN 201710102983A CN 106694665 A CN106694665 A CN 106694665A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- pedestal
- press roll
- bearing
- cam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/02—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge
- B21D19/04—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers
- B21D19/046—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers for flanging edges of tubular products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
- B21D51/2615—Edge treatment of cans or tins
- B21D51/263—Flanging
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses an edge folding mechanism which comprises a base. The edge folding mechanism is characterized in that an air cylinder is fixed to the base, the end of a piston rod of the air cylinder is rotationally provided with a tray through a bearing, the tray is used for containing a barrel needing to be subject to edge folding, a rotary disc is arranged over the tray in a rotational manner, and the diameter of the rotary disc is matched with the internal diameter of the barrel; and a taper inner compression roller moving back and forth in the radial direction of the barrel is arranged on the inner side of the barrel and on the upper side of the rotary disc, and an outer compression roller swinging back and forth is arranged at the position, corresponding to the inner compression roller, of the outer side of the barrel.
Description
Technical field
The present invention relates to a kind of edge-folding mechanism.
Background technology
In intermetallic composite coating, the flanging of metal cylinder is frequently encountered.If carrying out flanging by the way of manual compression,
Then labor intensity of operating staff is big, and low production efficiency easily the whole situation of side dipped ring occurs after flanging, and this can influence gold after flanging
Belong to the popularization and application of cylinder.
Therefore, the Chinese invention of existing Publication No. CN105618535A is disclosed《Metal cylinder folding brake》, including bottom
Seat, left hydraulic jack, right hydraulic jack, left staking punch, right staking punch, left support abutment and right support abutment, the left hydraulic jack, right liquid
Compressing cylinder, left support abutment and right support abutment are arranged on base, and the left staking punch is connected with the piston rod of left hydraulic jack, right punching
Pressure head is connected with the piston rod of right hydraulic jack, and left staking punch is corresponding with right staking punch position, the left support abutment and right support abutment position
Between left staking punch and right staking punch.And for example, the Chinese invention of Publication No. CN 202447467U is disclosed《A kind of metal
The crimping unit of cylinder》, including frame and controller, bending platform, level pressure roller, dynamic pressure roller are provided with the frame, in frame
Rotation driving, lifting is provided with to drive and dynamic pressure roller movement driving；The one end for bending platform is rotatably connected with frame, the bending platform
Bottom with lifting drive drive connection；Bending platform is provided with cylinder support ring and main shaft, and the cylinder support ring connects with spindle drive
Connect, level pressure roller is fixed in frame, there is dynamic pressure roller shifting chute in frame, one end of dynamic pressure roller shifting chute is near level pressure roller, institute
State that dynamic pressure roller is removable to be fixed in frame and pass dynamic pressure roller shifting chute, the dynamic pressure roller drives transmission with dynamic pressure roller movement
Connection.Controller drives with rotation driving, lifting respectively and dynamic pressure roller movement drive signal is connected.
The content of the invention
The technical problem to be solved in the present invention is directed to the present situation of prior art, there is provided a kind of edge-folding mechanism, realizes cylinder
The automatic flanging of end, improves efficiency, reduces cost of labor.
The present invention solve the technical scheme that is used of above-mentioned technical problem for：A kind of edge-folding mechanism, including pedestal, its feature
It is：Be fixed with a cylinder on the pedestal, the piston rod end of the cylinder rotated by bearing be provided with one for place need
The pallet of the cylinder of flanging is wanted, the surface of the pallet rotates and is provided with a rotating disk, the diameter of the rotating disk and the cylinder
Internal diameter is adapted, and a taper moved back and forth in the radial direction of cylinder is provided with the upside of rotating disk positioned at the inner side of the cylinder
Inner press roll, the outer pressure roller for swinging back and forth is provided with positioned at the outside of the cylinder and the inner press roll corresponding position.
As improvement, a pressure roller is provided with the upper end wall of the cylinder, by setting pressure roller, prevents cylinder in flanging mistake
Occurs longitudinal leap in journey.
Improve again, the inner press roll is connected with the output shaft of a motor, so as to the cylinder madial wall that improve inner press roll is rolled over
The ability on side.
Improve again, the set-up mode that the inner press roll moves back and forth is to be rotated on the pedestal and be provided with the first cam, should
Be provided with a follower lever on first cam, one end of the follower lever be provided with one contacted with the first cam outline first
Roller, the connecting rod of the inner press roll is longitudinally disposed at the other end of the driven member, the connecting rod of the inner press roll with it is described
The first spring is provided between pedestal, a guide post is horizontally arranged with the connecting rod of the inner press roll, the guide post is slided and set
It is placed in the sliding sleeve being fixed on pedestal.Using nearlyer segmental arc on the first cam and segmental arc farther out, change inner press roll and cylinder
Distance between body madial wall, when the first roller on follower lever with the first cam when segmental arc is contacted farther out, inner press roll
Connecting rod drives inner press roll to be moved to cylinder madial wall, is close on the madial wall of cylinder, simultaneously, guide post in connecting rod
Slided in sliding sleeve, play guide effect, when the first roller on follower lever is contacted with the nearlyer arc ring of the first cam,
In the presence of first spring, inner press roll is separated with cylinder madial wall, it is achieved thereby that inner press roll moves back and forth.
Improve again, the set-up mode that the outer pressure roller swings back and forth is to be rotated on the pedestal and be provided with the second cam, institute
State and be hinged with pedestal a bearing, second roller contacted with the outline of second cam, institute are provided with the bearing
State and second spring be provided between bearing and the pedestal, the side on the bearing towards the cylinder offers open slot,
Rotated in the open slot and be provided with a rotating shaft, the outer pressure roller is arranged in rotating shaft and is located in the open slot, on the bearing
Motor is provided with, the output shaft of the motor is connected with the rotating shaft.In bearing external pressure is driven using motor
Roller is rotated, and using the nearlyer segmental arc of the second cam, farther out segmental arc and connects nearlyer segmental arc and the farther out mistake of segmental arc
Cross section, realize swinging back and forth for bearing, when the second roller on bearing with the second cam when segmental arc is contacted farther out, bearing
On outer pressure roller be pressed on the outer wall of cylinder in upright state, with cylinder madial wall on inner press roll into shearing condition, external pressure
The length of the segmental arc farther out in the length and the second cam of roller upright state residence time is determined, after the completion of flanging, second
Cam is rotated further, and the second roller on bearing is contacted with the changeover portion on the second cam, in the presence of second spring, bearing
Swing out, after the second roller turns over the nearlyer segmental arc on the second cam, enter back into the opposite side changeover portion on the second cam,
Bearing is realized again near the lateral wall of cylinder, it is achieved thereby that outer pressure roller swings back and forth.
Improve again, the lug boss for inserting the cylinder inboard wall is formed with the upper side of the pallet, by setting
Lug boss, improves fixed support of the cylinder on pallet.
Compared with prior art, the advantage of the invention is that：Cylinder piston rod is moved down, and cylinder is placed on pallet,
Barrel jacket is located at the lug boss of pallet, afterwards, the piston rod of cylinder is moved up so that rotating disk inserts the upper shed of cylinder,
In the presence of frictional force, cylinder and pallet follow rotating disk to rotate, and simultaneously, inner press roll is simultaneously tight to the madial wall movement of cylinder
It is affixed on madial wall, outer pressure roller is rocked to the lateral wall of cylinder, and causes that external pressure roller is pressed in inner press roll corresponding position on cylinder
On lateral wall, inner press roll and outer compression rollers work in combination, realization carry out flanging to cylinder lateral wall, it is achieved thereby that barrel end from
Dynamic flanging, improves production efficiency, reduces cost of labor.
Brief description of the drawings
Fig. 1 is the structural representation of edge-folding mechanism in the embodiment of the present invention；
Fig. 2 is the schematic diagram that inner press roll and outer pressure roller carry out flanging to cylinder lateral wall in the embodiment of the present invention；
Fig. 3 is the structural representation that inner press roll moves back and forth；
Fig. 4 is the structural representation that outer pressure roller swings back and forth.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in Figures 1 to 4, the edge-folding mechanism of the cylinder in this implementation, including pedestal 10, cylinder 1, pallet 2, rotating disk 6, pressure
Roller 7, outer pressure roller 41, inner press roll 51, the first cam 52, the second cam 45, the first roller 531, the second roller 422, follower lever 53,
Sliding sleeve 56, guide post 55, the first spring 54, second spring 46, bearing 42, motor 44, rotating shaft 43 and bearing 22.
Wherein, a cylinder 1 is fixed with pedestal 10, the piston rod end of the cylinder 1 is rotated by bearing 22 and is provided with one
Pallet 2 for placing the cylinder 3 for needing flanging, further, is formed with for inserting in cylinder 3 on the upper side of pallet 2
The lug boss 21 of wall, by setting lug boss 21, improves fixed support of the cylinder 3 on pallet 2, and the surface of pallet 2 rotates
A rotating disk 6 is provided with, the diameter of the rotating disk 6 is adapted with the internal diameter of the cylinder 3, positioned at the inner side of the cylinder 3 in rotating disk 6
Upside be provided with the inner press roll 51 of a taper moved back and forth in the radial direction of cylinder 3, the output shaft of the motor of inner press roll 51 and
Connection, so as to improve the ability of the cylinder madial wall flanging of inner press roll 51, meanwhile, positioned at the outside of the cylinder 3 with it is described
The corresponding position of inner press roll 51 is provided with the outer pressure roller 41 for swinging back and forth, and a pressure roller 7 is provided with the upper end wall of cylinder 3, by setting
Pressure roller 7, prevents cylinder 3 from occurring longitudinal leap during flanging.
In addition, the set-up mode that inner press roll 51 moves back and forth is, is rotated on the pedestal 10 and be provided with the first cam 52, should
A follower lever 53 is provided with first cam 52, one end of the follower lever 53 is provided with one and is connect with the outline of the first cam 52
The first tactile roller 531, the connecting rod 511 of the inner press roll 51 is longitudinally disposed at the other end of the driven member 53, described interior
The first spring 54 is provided between the connecting rod 511 and the pedestal 10 of pressure roller 51, in the connecting rod of the inner press roll 51 laterally
A guide post 55 is provided with, the guide post 55 is slideably positioned in the sliding sleeve 56 being fixed on pedestal 10.Using the first cam 52
On nearlyer segmental arc and segmental arc farther out, change distance, on follower lever 53 first between inner press roll 51 and the madial wall of cylinder 3
Roller 531 is with when segmental arc is contacted farther out, the connecting rod 511 of inner press roll 51 drives inner press roll 51 to cylinder on the first cam 52
3 madial walls are moved, and are close on the madial wall of cylinder 3, and simultaneously, guide post 55 is slided in sliding sleeve 56 in connecting rod 511,
Guide effect is played, when the first roller 531 on follower lever 53 is contacted with the nearlyer arc ring of the first cam 52, in the first bullet
In the presence of spring 54, inner press roll 51 is separated with the madial wall of cylinder 3, it is achieved thereby that inner press roll 51 moves back and forth.
Additionally, the set-up mode that outer pressure roller 41 swings back and forth is, is rotated on the pedestal 10 and be provided with the second cam 45, institute
State and a bearing 42 be hinged with pedestal 10, be provided with the bearing 42 one contacted with the outline of second cam 45 second
Roller 422, is provided with second spring 46 between the bearing 42 and the pedestal 10, towards the cylinder 3 on the bearing 42
Side offer open slot 421, rotate in the open slot 421 and be provided with a rotating shaft 43, the outer pressure roller 41 is arranged at and turns
It is located in the open slot 421 on axle 43, motor 44 is provided with the bearing 42, the output shaft of the motor 44 and institute
Rotating shaft 43 is stated to connect.Outer pressure roller 41 is driven to rotate using motor 44 in bearing 42, using the nearlyer arc of the second cam 45
Shape section 452, farther out segmental arc 451 and nearlyer segmental arc 452 and the farther out changeover portion 453 of segmental arc 451 are connected, realize bearing
42 swing back and forth, when the second roller 422 on bearing 42 is contacted with 451 sections of arc farther out on the second cam 45, bearing
Outer pressure roller 41 on 42 is pressed on the outer wall of cylinder 3 in upright state, with the 51 one-tenth shearing shapes of inner press roll on the madial wall of cylinder 3
The length of the segmental arc farther out 451 on state, the length of the upright state residence time of outer pressure roller 41 and the second cam 45 is determined, in folding
After the completion of side, the second cam 45 is rotated further, and the second roller 422 on bearing 42 connects with the changeover portion 453 on the second cam 45
Touch, in the presence of second spring 46, bearing 42 swings out, and the second roller 422 turns over the nearlyer arc on the second cam 45
After section 452, the opposite side changeover portion 453 on the second cam 45 is entered back into, realize bearing 42 again near the outside of cylinder 3
Wall, it is achieved thereby that outer pressure roller 41 swings back and forth.
To sum up, the piston rod of cylinder 1 is moved down, and cylinder 3 is placed on pallet 2, and cylinder 3 is sheathed on the projection of pallet 2
Portion 21, afterwards, the piston rod of cylinder 1 is moved up so that rotating disk 6 inserts the upper shed of cylinder 3, in the presence of frictional force,
Cylinder 3 and pallet 2 follow rotating disk 6 to rotate, and simultaneously, inner press roll 51 is moved to the madial wall of cylinder 3 and is close to madial wall
On, outer pressure roller 41 is rocked to the lateral wall of cylinder 3, and cause outer pressure roller 41 be pressed in the corresponding position of inner press roll 51 on cylinder 3 outward
On the wall of side, inner press roll 51 and the collective effect of outer pressure roller 41, realization carry out flanging to the side wall of cylinder 3, it is achieved thereby that the end of cylinder 3
Automatic flanging, improve production efficiency, reduce cost of labor.
Claims (6)
1. a kind of edge-folding mechanism, including pedestal (10), it is characterised in that：A cylinder (1), the gas are fixed with the pedestal (10)
The piston rod end of cylinder (1) by bearing (22) rotate be provided with one for place need flanging cylinder (3) pallet (2),
The surface of the pallet (2) is rotated and is provided with a rotating disk (6), and diameter and the internal diameter of the cylinder (3) of the rotating disk (6) are mutually fitted
Match somebody with somebody, a taper moved back and forth in the radial direction of cylinder (3) is provided with the upside of rotating disk (6) positioned at the inner side of the cylinder (3)
Inner press roll (51), the external pressure for swinging back and forth is provided with positioned at the outside of the cylinder (3) and the inner press roll (51) corresponding position
Roller (41).
2. edge-folding mechanism according to claim 1, it is characterised in that：A pressure is provided with the upper end wall of the cylinder (3)
Roller (7).
3. edge-folding mechanism according to claim 2, it is characterised in that：The inner press roll (51) connects with the output shaft of a motor
Connect.
4. edge-folding mechanism according to claim 2, it is characterised in that：The set-up mode that the inner press roll (51) moves back and forth
For, rotated on the pedestal (10) and be provided with the first cam (52), a follower lever (53) is provided with first cam (52), should
One end of follower lever (53) is provided with first roller (531) contacted with the first cam (52) outline, the internal pressure
The connecting rod (511) of roller (51) is longitudinally disposed at the other end of the driven member (53), the connecting rod of the inner press roll (51)
(511) the first spring (54) is provided between the pedestal (10), is laterally set in the connecting rod (511) of the inner press roll (51)
A guide post (55) is equipped with, the guide post (55) is slideably positioned in the sliding sleeve (56) being fixed on pedestal (10).
5. edge-folding mechanism according to claim 4, it is characterised in that：The set-up mode that the outer pressure roller (41) swings back and forth
For, rotated on the pedestal (10) and be provided with the second cam (45), it is hinged with a bearing (42), the bearing on the pedestal (10)
(42) second roller (422) contacted with the outline of second cam (45), the bearing (42) and institute are provided with
State and be provided with second spring (46) between pedestal (10), offered out towards the side of the cylinder (3) on the bearing (42)
Mouth groove (421), rotates in the open slot (421) and is provided with a rotating shaft (43), and the outer pressure roller (41) is arranged at rotating shaft (43)
It is upper to be located in the open slot (421), motor (44) is provided with the bearing (42), the output shaft of the motor (44)
It is connected with the rotating shaft (43).
6. edge-folding mechanism according to claim 1, it is characterised in that：Be formed with the upper side of the pallet (2) for
Insert the lug boss (21) of the cylinder (3) inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710102983.3A CN106694665A (en) | 2017-02-23 | 2017-02-23 | Edge folding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710102983.3A CN106694665A (en) | 2017-02-23 | 2017-02-23 | Edge folding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106694665A true CN106694665A (en) | 2017-05-24 |
Family
ID=58917793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710102983.3A Pending CN106694665A (en) | 2017-02-23 | 2017-02-23 | Edge folding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106694665A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107186026A (en) * | 2017-07-04 | 2017-09-22 | 青岛明华电子仪器有限公司 | A kind of sampling head curler |
| CN108856411A (en) * | 2018-07-20 | 2018-11-23 | 无锡威孚力达催化净化器有限责任公司 | A kind of processing technology of cylinder flange |
| CN109502070A (en) * | 2018-11-27 | 2019-03-22 | 江山市泓睦体育用品有限公司 | A kind of dumbbell plate sealed in unit |
| WO2020069332A1 (en) * | 2018-09-27 | 2020-04-02 | Inno-Spin LLC | Multi-axis roll-forming methods, systems, and products |
| CN111922216A (en) * | 2020-07-25 | 2020-11-13 | 胡金林 | Rotatory oil cleaner edging structure that combines with swing |
| US11298734B2 (en) | 2018-09-27 | 2022-04-12 | Inno-Spin LLC | Multi-axis roll-forming of stepped-diameter cylinder |
| CN115194492A (en) * | 2022-09-16 | 2022-10-18 | 南通大通宝富风机有限公司 | Automatic flanging and punching machine for fan accessories |
| CN115488249A (en) * | 2022-11-16 | 2022-12-20 | 卫辉市卫新机械有限公司 | Feed cylinder forming device with assemble vertical feed mixer of feed cylinder structure |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2092382U (en) * | 1991-01-31 | 1992-01-08 | 铁岭选矿药剂厂一分厂 | Vertical curving machine |
| JP2005081400A (en) * | 2003-09-09 | 2005-03-31 | Kyoto Kukan Kogyo Kk | Double structure drum and manufacturing method |
| CN201183086Y (en) * | 2008-04-26 | 2009-01-21 | 赵维珂 | Cylinder edge former |
| CN201537640U (en) * | 2009-11-23 | 2010-08-04 | 天津市谊诚包装制品有限责任公司 | Barrel edge shaping device |
| CN203764713U (en) * | 2014-03-24 | 2014-08-13 | 云南通海县裕林包装工业有限公司 | Horizontal barrel mouth curling machine for metal barrels |
| CN204381147U (en) * | 2014-12-03 | 2015-06-10 | 桐乡市天鑫包装有限公司 | A kind of hemmer of drum |
| CN205146973U (en) * | 2015-11-24 | 2016-04-13 | 浙江申腾涂层织物有限公司 | Jar body flanging device |
| CN206632167U (en) * | 2017-02-23 | 2017-11-14 | 覃小倩 | A kind of edge-folding mechanism |
-
2017
- 2017-02-23 CN CN201710102983.3A patent/CN106694665A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2092382U (en) * | 1991-01-31 | 1992-01-08 | 铁岭选矿药剂厂一分厂 | Vertical curving machine |
| JP2005081400A (en) * | 2003-09-09 | 2005-03-31 | Kyoto Kukan Kogyo Kk | Double structure drum and manufacturing method |
| CN201183086Y (en) * | 2008-04-26 | 2009-01-21 | 赵维珂 | Cylinder edge former |
| CN201537640U (en) * | 2009-11-23 | 2010-08-04 | 天津市谊诚包装制品有限责任公司 | Barrel edge shaping device |
| CN203764713U (en) * | 2014-03-24 | 2014-08-13 | 云南通海县裕林包装工业有限公司 | Horizontal barrel mouth curling machine for metal barrels |
| CN204381147U (en) * | 2014-12-03 | 2015-06-10 | 桐乡市天鑫包装有限公司 | A kind of hemmer of drum |
| CN205146973U (en) * | 2015-11-24 | 2016-04-13 | 浙江申腾涂层织物有限公司 | Jar body flanging device |
| CN206632167U (en) * | 2017-02-23 | 2017-11-14 | 覃小倩 | A kind of edge-folding mechanism |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107186026A (en) * | 2017-07-04 | 2017-09-22 | 青岛明华电子仪器有限公司 | A kind of sampling head curler |
| CN108856411A (en) * | 2018-07-20 | 2018-11-23 | 无锡威孚力达催化净化器有限责任公司 | A kind of processing technology of cylinder flange |
| WO2020069332A1 (en) * | 2018-09-27 | 2020-04-02 | Inno-Spin LLC | Multi-axis roll-forming methods, systems, and products |
| US11278946B2 (en) | 2018-09-27 | 2022-03-22 | Inno-Spin LLC | Multi-axis roll-forming methods, systems, and products |
| US11298734B2 (en) | 2018-09-27 | 2022-04-12 | Inno-Spin LLC | Multi-axis roll-forming of stepped-diameter cylinder |
| US11745243B2 (en) | 2018-09-27 | 2023-09-05 | Inno-Spin LLC | Multi-axis roll-forming of stepped-diameter cylinder |
| CN109502070A (en) * | 2018-11-27 | 2019-03-22 | 江山市泓睦体育用品有限公司 | A kind of dumbbell plate sealed in unit |
| CN111922216A (en) * | 2020-07-25 | 2020-11-13 | 胡金林 | Rotatory oil cleaner edging structure that combines with swing |
| CN111922216B (en) * | 2020-07-25 | 2022-05-24 | 浙江信鑫实业有限公司 | Rotatory oil cleaner edging structure that combines with swing |
| CN115194492A (en) * | 2022-09-16 | 2022-10-18 | 南通大通宝富风机有限公司 | Automatic flanging and punching machine for fan accessories |
| CN115488249A (en) * | 2022-11-16 | 2022-12-20 | 卫辉市卫新机械有限公司 | Feed cylinder forming device with assemble vertical feed mixer of feed cylinder structure |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |
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| RJ01 | Rejection of invention patent application after publication |