CN109355815A - A kind of synchronous feeding mechanism of thickness material machine - Google Patents
A kind of synchronous feeding mechanism of thickness material machine Download PDFInfo
- Publication number
- CN109355815A CN109355815A CN201811577495.9A CN201811577495A CN109355815A CN 109355815 A CN109355815 A CN 109355815A CN 201811577495 A CN201811577495 A CN 201811577495A CN 109355815 A CN109355815 A CN 109355815A
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- presser feet
- crank
- feeding mechanism
- swing
- material machine
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- 230000007246 mechanism Effects 0.000 title claims abstract description 34
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 32
- 239000000463 material Substances 0.000 title claims abstract description 29
- 230000033228 biological regulation Effects 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/02—Work-feeding means with feed dogs having horizontal and vertical movements
- D05B27/04—Work-feeding means with feed dogs having horizontal and vertical movements arranged above the workpieces
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The present invention provides a kind of synchronous feeding mechanisms of thick material machine, belong to clothes manufacturing equipment technical field.It solves the technical problems such as the synchronous feeding mechanism feeding stability difference of existing thick material machine.This synchronous feeding mechanism includes pads swing axis, presser feet lifting shaft, wishbone and swings presser feet pole socket, and the end of pads swing axis is installed with wobble crank, offers strip-shaped hole on wobble crank；The upper end of wishbone has sliding groove one, and one end sliding that crank axle and crank axle are inserted in strip-shaped hole is plugged in sliding groove one；It swings to slide laterally on presser feet pole socket and is provided with swing sliding block, presser feet is connected in by presser bar and is swung on sliding block；The one end for swinging sliding block offers sliding groove two, and the lower end of wishbone is installed with stop screw and stop screw sliding is embedded in sliding groove two；Presser feet lifting shaft end is installed with lifting crank and lifting crank is able to drive swing presser feet pole socket and moves back and forth up and down.Synchronous feeding mechanism stability and high reliablity in the present invention.
Description
Technical field
The invention belongs to clothes manufacturing equipment technical fields, are related to a kind of thick material machine, especially a kind of synchronization of thick material machine
Feeding mechanism.
Background technique
Thick material machine is revolved hooking, automatic lubricating system using connecting rod take-up, greatly, configures feeding up and down and presser feet alternating elevator
Structure forms 301 stitchings.The synchronous feeding mechanism of thickness material machine passes through pendulum pressure using pendulum presser feet link mechanism, pendulum presser feet connecting rod at present
Foot lever seat is fixed on pendulum presser bar, requires element precision high in structure, complete machine torque weight, and it is stuck etc. to be easy to appear connecting rod
Problem, at outer circle arching trajectory, external arc track is more obvious when needle gage is bigger, is seriously affected for presser feet feeding track when presser feet feeding
The validity of work feed.
Summary of the invention
The present invention addresses the above problems in the prior art, provides a kind of synchronous feeding mechanism of thick material machine, this hair
It is bright the technical problem to be solved is that: how to guarantee the stability and reliability of the synchronous feeding of thick material machine.
Object of the invention can be realized by the following technical scheme:
A kind of synchronous feeding mechanism of thickness material machine, thick material machine includes casing, presser bar and presser feet, the synchronous feeding mechanism
Including the pads swing axis that can be rotated on casing and presser feet lifting shaft is arranged in, which is characterized in that the pads swing axis
End is installed with wobble crank, and strip-shaped hole along its length is offered on the wobble crank；It is additionally provided on the casing
Wishbone and the swing presser feet pole socket that can be moved back and forth up and down, the middle part of the wishbone are hingedly on the housing, described
The upper end of wishbone has opening up sliding groove one, and one end of crank axle and the crank axle is inserted in the strip-shaped hole
Sliding is plugged in the sliding groove one；It is slid laterally on the swing presser feet pole socket and is provided with swing sliding block, the presser bar
It is connected on the swing sliding block, the presser feet is connected in the presser bar lower end；Described one end for swinging sliding block offers out
The sliding groove two of mouth down, the lower end of the wishbone is installed with stop screw and stop screw sliding is embedded in the cunning
In dynamic slot two；Presser feet lifting shaft end is installed with lifting crank and the lifting crank is able to drive the swing presser bar
Seat moves back and forth up and down.
The principle is as follows: main axis drives pads swing axis to rotate repeatedly, and wobble crank is pushed to swing, and wobble crank is logical
Crossing the crank axle being plugged in strip-shaped hole and sliding groove one drives wishbone around its own hinged spot wobble, and the lower end of wishbone is again
It drives swing sliding block to slide back and forth in swing presser feet pole socket by stop screw, and then drives presser bar and presser feet front and back reciprocal
Movement.Main shaft drives the rotation of presser feet lifting shaft simultaneously, and presser feet lifting shaft drives lifting crank to swing repeatedly, lifting crank handle turns pendulum
Dynamic pressure foot lever seat moves back and forth up and down, and then entire sliding block, presser bar and the presser feet of swinging is driven to pump, final to realize
It is moved before and after presser feet with upper and lower synthesis.
It is mainly flexibly connected by swinging sliding block with presser feet pole socket is swung in the present invention, so that presser feet and needle plate plane are run
Track remains relative level state, not with the change of needle gage size, influences presser feet work feed track, improves work feed validity.
It using up and down direction and front-rear direction independent operating in this synchronous feeding mechanism, mutually will not interfere with, guarantee work feed
Stabilization, effectively, for big needle distance sew when, when moving to front and back extreme position, presser feet remains horizontality, Bu Huiying
The validity to work feed is rung, structure is simple, relatively low to part requirements.
In the synchronous feeding mechanism of above-mentioned thick material machine, the pads swing axis is rotatably connected on the machine by axle sleeve
On shell, the upper end of the wobble crank is connected in the end of the pads swing axis by lock-screw, and the strip-shaped hole is located at
The lower end of the wobble crank；Limit stop ring is also arranged on the pads swing axis and the end face of the limit stop ring with it is described
The end face of axle sleeve leans.It can guarantee that pads swing axis is axially reliable and stable in this way.
In the synchronous feeding mechanism of above-mentioned thick material machine, there is collar flange, the collar flange on the crank axle
It leans with the one side of the wobble crank, the end of the crank axle is bolted with the another side phase with the wobble crank
Against locking nut；Limit sliding shoe is fixedly provided on the crank axle, the limit sliding shoe is located at the sliding groove one
It is interior.Guarantee reliability when crank axle drives wishbone movement.
In the synchronous feeding mechanism of above-mentioned thick material machine, the outer end of the lifting crank is hinged with crank connecting link, described
The end of crank connecting link is connected with presser feet feeding crank, has upward linking arm, the presser feet on the swing presser feet pole socket
Feeding crank is hinged with the linking arm.
In the synchronous feeding mechanism of above-mentioned thick material machine, the side for swinging presser feet pole socket has limiting section, described
The limiting through hole of strip is offered on limiting section, and limited post is installed on the casing and the limited post is plugged in the limit
In the through-hole of position.
In the synchronous feeding mechanism of above-mentioned thick material machine, it is installed on the casing and promotes presser feet guide plate, it is described to mention
A vertical groove of leading is offered on the inside of boost leg guide plate, is installed on the presser feet feeding crank and is led a screw and described
It leads a screw activity and is embedded and led in a groove described.
In the synchronous feeding mechanism of above-mentioned thick material machine, the presser feet feeding crank is triangular in shape, the crank connecting link
One end and an angle of the presser feet feeding crank be hinged, another angle of the presser feet feeding crank and the linking arm
It is hinged, a screw of leading is located on the third angle of the presser feet feeding crank.
In the synchronous feeding mechanism of above-mentioned thick material machine, pressure regulation frame, the pressure regulation frame setting are installed on the casing
There is pressure regulation bar, be installed on the linking arm and promote presser feet leading truck, there is loading plate on the promotion presser feet leading truck, it is described
The lower end of pressure regulation bar is in contact with the loading plate.
Compared with prior art, the synchronous feeding mechanism in the present invention mainly passes through to swing sliding block and swing presser feet pole socket and live
Dynamic connection, not with the change of needle gage size, influences so that presser feet and needle plate plane running track remain relative level state
Presser feet work feed track, improves work feed validity, and structure is simple, relatively low to part requirements.
Detailed description of the invention
Fig. 1 is the mounting structure schematic diagram of this synchronous feeding mechanism.
Fig. 2 is partial enlargement structural representation at A in Fig. 1.
Fig. 3 is the partial structure diagram of this synchronous feeding mechanism.
In figure, 1, casing；2, presser feet；3, pads swing axis；4, presser feet lifting shaft；5, wobble crank；51, strip-shaped hole；6,
Wishbone；61, sliding groove one；7, presser feet pole socket is swung；71, linking arm；72, limiting section；73, limiting through hole；8, crank axle；
81, collar flange；9, sliding block is swung；91, sliding groove two；10, presser bar；11, stop screw；12, crank is gone up and down；13, axle sleeve；
14, lock-screw；15, limit stop ring；16, locking nut；17, sliding shoe is limited；18, crank connecting link；19, presser feet feeding is bent
Handle；20, limited post；21, presser feet guide plate is promoted；21a, a groove is led；22, a screw is led；23, pressure regulation frame；24, pressure regulation bar；
25, presser feet leading truck is promoted；25a, loading plate.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1 to Figure 3, thick material machine includes casing 1, presser bar 10 and presser feet 2, and synchronous feeding mechanism includes that setting exists
The pads swing axis 3 and presser feet lifting shaft 4 that can be rotated on casing 1, the end of this pads swing axis 3 are installed with wobble crank 5,
Strip-shaped hole 51 along its length is offered on wobble crank 5；It is additionally provided with wishbone 6 on casing 1 and can up and down reciprocatingly move
Dynamic swing presser feet pole socket 7, the middle part of wishbone 6 is hinged on casing 1, and the upper end of wishbone 6 has opening up sliding
Slot 1, one end sliding that crank axle 8 and crank axle 8 are inserted in strip-shaped hole 51 are plugged in sliding groove 1；Swing presser feet
It slides laterally to be provided on pole socket 7 and swings sliding block 9, presser bar 10, which is connected in, to be swung on sliding block 9, and presser feet 2 is connected in presser bar 10
Lower end；The one end for swinging sliding block 9 offers downward opening sliding groove 2 91, and the lower end of wishbone 6 is installed with stop screw 11
And the sliding of stop screw 11 is embedded in sliding groove 2 91；4 end of presser feet lifting shaft is installed with lifting crank 12 and lifting crank
12, which are able to drive swing presser feet pole socket 7, moves back and forth up and down.Further, pads swing axis 3 is rotatably connected on by axle sleeve 13
On casing 1, the upper end of wobble crank 5 is connected in the end of pads swing axis 3 by lock-screw 14, and strip-shaped hole 51, which is located at, to be swung
The lower end of crank 5；End face and the end face phase of axle sleeve 13 of limit stop ring 15 and limit stop ring 15 are also arranged on pads swing axis 3
Against；There is collar flange 81, collar flange 81 and the one side of wobble crank 5 lean, the end of crank axle 8 on crank axle 8
Portion is bolted with the locking nut 16 to lean with the another side of wobble crank 5；Limit sliding shoe is fixedly provided on crank axle 8
17, limit sliding shoe 17 is located in sliding groove 1.Guarantee reliability when crank axle 8 drives wishbone 6 to move.
As shown in Figures 2 and 3, the outer end for going up and down crank 12 is hinged with crank connecting link 18, the end connection of crank connecting link 18
There is presser feet feeding crank 19, swinging has upward linking arm 71, presser feet feeding crank 19 and 71 phase of linking arm on presser feet pole socket 7
Hingedly；The side for swinging presser feet pole socket 7 has limiting section 72, and the limiting through hole 73 of strip, casing 1 are offered on limiting section 72
On be installed with limited post 20 and limited post 20 is plugged in limiting through hole 73；It is installed on casing 1 and promotes presser feet guide plate 21, mentioned
The inside of boost leg guide plate 21 offers the vertical groove 21a that leads, and is installed on presser feet feeding crank 19 and leads a screw 22
And it leads 22 activity of a screw and is embedded and leading in a groove 21a.Further, presser feet feeding crank 19 is triangular in shape, crank connecting link
18 one end and an angle of presser feet feeding crank 19 are hinged, another angle and 71 phase of linking arm of presser feet feeding crank 19 are cut with scissors
It connects, leads a screw 22 and be located on the third angle of presser feet feeding crank 19.Pressure regulation frame 23, pressure regulation frame 23 are fixedly provided on casing 1
It is provided with pressure regulation bar 24, is installed on linking arm 71 and promotes presser feet leading truck 25, being promoted has loading plate on presser feet leading truck 25
The lower end of 25a, pressure regulation bar 24 are in contact with loading plate 25a.
Main axis drives pads swing axis 3 to rotate repeatedly, and wobble crank 5 is pushed to swing, and wobble crank 5 is by being plugged in
Crank axle 8 in strip-shaped hole 51 and sliding groove 1 drives wishbone 6 around its own hinged spot wobble, and the lower end of wishbone 6 is again
It drives swing sliding block 9 to slide back and forth in swing presser feet pole socket 7 by stop screw 11, and then drives presser bar 10 and presser feet 2
Front-rear reciprocation movement.Main shaft drives presser feet lifting shaft 4 to rotate simultaneously, and presser feet lifting shaft 4 drives lifting crank 12 to swing repeatedly, rises
Drop crank 12 drives swing presser feet pole socket 7 to move back and forth up and down, and then drives entire swing on sliding block 9, presser bar 10 and presser feet 2
Lower reciprocating motion, final 2 front and back of realization presser feet and upper and lower comprehensive movement.
It is mainly flexibly connected by swinging sliding block 9 with presser feet pole socket 7 is swung in the present invention, so that presser feet 2 and needle plate plane
Running track remains relative level state, not with the change of needle gage size, influences 2 work feed track of presser feet, and improving work feed has
Effect property.
Make 2 up and down direction of presser feet and front-rear direction independent operating in this synchronous feeding mechanism, mutually will not interfere with, guarantees
The stabilization of work feed, effectively, for big needle distance sew when, when moving to front and back extreme position, presser feet 2 remains horizontality,
It will not influence the validity to work feed, structure is simple, relatively low to part requirements.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although 1, casing is used more herein；2, presser feet；3, pads swing axis；4, presser feet lifting shaft；5, it swings bent
Handle；51, strip-shaped hole；6, wishbone；61, sliding groove one；7, presser feet pole socket is swung；71, linking arm；72, limiting section；73, it limits
Through-hole；8, crank axle；81, collar flange；9, sliding block is swung；91, sliding groove two；10, presser bar；11, stop screw；12, it rises
Crank drops；13, axle sleeve；14, lock-screw；15, limit stop ring；16, locking nut；17, sliding shoe is limited；18, crank connecting link；
19, presser feet feeding crank；20, limited post；21, presser feet guide plate is promoted；21a, a groove is led；22, a screw is led；23, pressure regulation
Frame；24, pressure regulation bar；25, presser feet leading truck is promoted；The terms such as 25a, loading plate, but the possibility using other terms is not precluded
Property.The use of these items is only for be more convenient to describe and explain essence of the invention；It is construed as any one
Additional limitation is disagreed with spirit of that invention.
Claims (8)
1. a kind of synchronous feeding mechanism of thickness material machine, thick material machine includes casing (1), presser bar (10) and presser feet (2), the synchronization
Feeding mechanism includes the pads swing axis (3) and presser feet lifting shaft (4) that setting can rotate on casing (1), which is characterized in that
The end of the pads swing axis (3) is installed with wobble crank (5), is offered along its length on the wobble crank (5)
Strip-shaped hole (51)；The swing presser feet pole socket (7) that is additionally provided with wishbone (6) on the casing (1) and can move back and forth up and down,
It is hinged on the casing (1) in the middle part of the wishbone (6), the upper end of the wishbone (6) has opening up sliding
Slot one (61), one end sliding that crank axle (8) and the crank axle (8) are inserted in the strip-shaped hole (51) are plugged in the cunning
In dynamic slot one (61)；It slides laterally to be provided on the swing presser feet pole socket (7) and swings sliding block (9), the presser bar (10) is solid
It is connected on the swing sliding block (9), the presser feet (2) is connected in the presser bar (10) lower end；The one of swing sliding block (9)
End offers downward opening sliding groove two (91), and the lower end of the wishbone (6) is installed with stop screw (11) and the limit
Position screw (11), which slides, to be embedded in the sliding groove two (91)；Presser feet lifting shaft (4) end is installed with lifting crank
(12) and the lifting crank (12) is able to drive the swing presser feet pole socket (7) and moves back and forth up and down.
2. the synchronous feeding mechanism of thickness material machine according to claim 1, which is characterized in that the pads swing axis (3) is logical
It crosses axle sleeve (13) to be rotatably connected on the casing (1), the upper end of the wobble crank (5) is connected in by lock-screw (14)
The end of the pads swing axis (3), the strip-shaped hole (51) are located at the lower end of the wobble crank (5)；The presser feet is swung
The end face of end face and the axle sleeve (13) that limit stop ring (15) and the limit stop ring (15) are also arranged on axis (3) offsets
It leans on.
3. the synchronous feeding mechanism of thickness material machine according to claim 2, which is characterized in that have on the crank axle (8)
Collar flange (81), the collar flange (81) and the one side of the wobble crank (5) lean, the crank axle (8)
End is bolted with the locking nut (16) to lean with the another side of the wobble crank (5)；It is also solid on the crank axle (8)
Equipped with limit sliding shoe (17), the limit sliding shoe (17) is located in the sliding groove one (61).
4. the synchronous feeding mechanism of thickness material machine according to claim 1 or 2 or 3, which is characterized in that the lifting crank
(12) outer end is hinged with crank connecting link (18), and the end of the crank connecting link (18) is connected with presser feet feeding crank (19), institute
It states to swing and there is upward linking arm (71) on presser feet pole socket (7), the presser feet feeding crank (19) and the linking arm (71)
It is hinged.
5. the synchronous feeding mechanism of thickness material machine according to claim 4, which is characterized in that the swing presser feet pole socket (7)
Side there are limiting section (72), the limiting through hole (73) of strip is offered on the limiting section (72), on the casing (1)
It is installed with limited post (20) and the limited post (20) is plugged in the limiting through hole (73).
6. the synchronous feeding mechanism of thickness material machine according to claim 5, which is characterized in that be installed on the casing (1)
Promoted presser feet guide plate (21), offer on the inside of promotion presser feet guide plate (21) it is vertical lead a groove (21a), it is described
Be installed on presser feet feeding crank (19) lead a screw (22) and it is described lead a screw (22) activity and be embedded lead a groove described
In (21a).
7. the synchronous feeding mechanism of thickness material machine according to claim 6, which is characterized in that the presser feet feeding crank (19)
Triangular in shape, one end of the crank connecting link (18) and an angle of the presser feet feeding crank (19) are hinged, the presser feet
Another angle of feeding crank (19) is hinged with the linking arm (71), and described a lead screw (22) are located at the presser feet feeding
On the third angle of crank (19).
8. the synchronous feeding mechanism of thickness material machine according to claim 7, which is characterized in that be installed on the casing (1)
Pressure regulation frame (23), the pressure regulation frame (23) are provided with pressure regulation bar (24), are installed on the linking arm (71) and promote presser feet guiding
Frame (25) has loading plate (25a) on the promotion presser feet leading truck (25), the lower end of the pressure regulation bar (24) and the carrying
Plate (25a) is in contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811577495.9A CN109355815B (en) | 2018-12-20 | 2018-12-20 | Synchronous feeding mechanism of thick material machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811577495.9A CN109355815B (en) | 2018-12-20 | 2018-12-20 | Synchronous feeding mechanism of thick material machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109355815A true CN109355815A (en) | 2019-02-19 |
| CN109355815B CN109355815B (en) | 2021-05-07 |
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ID=65330098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811577495.9A Active CN109355815B (en) | 2018-12-20 | 2018-12-20 | Synchronous feeding mechanism of thick material machine |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU573519A1 (en) * | 1976-03-31 | 1977-09-25 | Подольский Ордена Ленина И Ордена Трудового Красного Знамени Механический Завод Имени М.И.Калинина | Top material feed mechanism of sewing machine |
| US7055445B1 (en) * | 2005-01-12 | 2006-06-06 | Fritz Gegauf Aktiengesellschaft Bernina-Nahmaschinenfabrik | Top transport device for sewing machines |
| JP2009160029A (en) * | 2007-12-28 | 2009-07-23 | Juki Corp | Sewing machine top feed device |
| CN102296428A (en) * | 2011-07-28 | 2011-12-28 | 中屹机械工业有限公司 | Compound feeding chain type stitch sewing machine |
| CN103668797A (en) * | 2013-12-31 | 2014-03-26 | 浙江宝石机电股份有限公司 | Cloth feeding mechanism for sewing machine |
| CN105274738A (en) * | 2015-11-21 | 2016-01-27 | 樊秀英 | Cloth feeding mechanism |
-
2018
- 2018-12-20 CN CN201811577495.9A patent/CN109355815B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU573519A1 (en) * | 1976-03-31 | 1977-09-25 | Подольский Ордена Ленина И Ордена Трудового Красного Знамени Механический Завод Имени М.И.Калинина | Top material feed mechanism of sewing machine |
| US7055445B1 (en) * | 2005-01-12 | 2006-06-06 | Fritz Gegauf Aktiengesellschaft Bernina-Nahmaschinenfabrik | Top transport device for sewing machines |
| DE502005001570D1 (en) * | 2005-01-12 | 2007-11-08 | Bernina Int Ag | Upper transport device for sewing machines |
| JP2009160029A (en) * | 2007-12-28 | 2009-07-23 | Juki Corp | Sewing machine top feed device |
| CN102296428A (en) * | 2011-07-28 | 2011-12-28 | 中屹机械工业有限公司 | Compound feeding chain type stitch sewing machine |
| CN103668797A (en) * | 2013-12-31 | 2014-03-26 | 浙江宝石机电股份有限公司 | Cloth feeding mechanism for sewing machine |
| CN105274738A (en) * | 2015-11-21 | 2016-01-27 | 樊秀英 | Cloth feeding mechanism |
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| Publication number | Publication date |
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| CN109355815B (en) | 2021-05-07 |
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Denomination of invention: A synchronous feeding mechanism for thick material machines Effective date of registration: 20230517 Granted publication date: 20210507 Pledgee: Chizhou Jiuhua Rural Commercial Bank Co.,Ltd. Pledgor: ANHUI JIEYU SHOEMAKING MACHINERY TECHNOLOGY Co.,Ltd. Registration number: Y2023980040923 |
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Date of cancellation: 20231102 Granted publication date: 20210507 Pledgee: Chizhou Jiuhua Rural Commercial Bank Co.,Ltd. Pledgor: ANHUI JIEYU SHOEMAKING MACHINERY TECHNOLOGY Co.,Ltd. Registration number: Y2023980040923 |