CN201793883U - Unwinding device of warp knitting machine - Google Patents

Unwinding device of warp knitting machine Download PDF

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Publication number
CN201793883U
CN201793883U CN 201020521972 CN201020521972U CN201793883U CN 201793883 U CN201793883 U CN 201793883U CN 201020521972 CN201020521972 CN 201020521972 CN 201020521972 U CN201020521972 U CN 201020521972U CN 201793883 U CN201793883 U CN 201793883U
Authority
CN
China
Prior art keywords
roll
roller
unwinding device
knitting machine
warp knitting
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.)
Expired - Lifetime
Application number
CN 201020521972
Other languages
Chinese (zh)
Inventor
谈昆伦
陈震
凌伯明
陈龙
谈良春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou Diba Textile Machinery Co Ltd
Original Assignee
Changzhou Diba Textile Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Changzhou Diba Textile Machinery Co Ltd filed Critical Changzhou Diba Textile Machinery Co Ltd
Priority to CN 201020521972 priority Critical patent/CN201793883U/en
Application granted granted Critical
Publication of CN201793883U publication Critical patent/CN201793883U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses an unwinding device of a warp knitting machine. The unwinding device comprises a fixed frame, a cross beam and a frictional unwinding device arranged on the cross beam, wherein the frictional unwinding device comprises a driving unwinding roller, a driven unwinding roller, a driving synchronous belt pulley for controlling the rotation of the driving unwinding roller, and a driven synchronous belt pulley for controlling the rotation of the driven unwinding roller; the driving synchronous belt pulley and the driven synchronous belt pulley are connected with a motor transmission device; and the driving unwinding roller and the driven unwinding roller are arranged on an unwinding roller fixing plate. The unwinding device of the warp knitting machine has the advantages of ensuring uniform unwinding of cloth rolls during unwinding, conveniently adjusting the position of cloth covers, flattening the unwound cloth covers and improving the knitting quality of the warp knitting machine.

Description

Unwinding device for warp knitting machine
Technical field
The utility model design technical field of textile machine, particularly a kind of unwinding device for warp knitting machine.
Background technology
Present existing unwinding device for warp knitting machine generally all adopts central shaft to unreel mode, and the yardage roll that is about to grey cloth is arranged on the central shaft, rotates by the driven by motor central shaft then, and yardage roll is unreeled.This mode that unreels is when unreeling, and central shaft will bear the total weight of yardage roll, and is crooked even fracture under weight easily, and when unreeling, skid easily between central shaft and the yardage roll, promptly central shaft rotates, but yardage roll can not and then rotate, the effect that influence unreels.
Summary of the invention
The purpose of this utility model is to provide a kind of unwinding device for warp knitting machine at the problem that unreels weak effect of the existing unwinding device for warp knitting machine existence described in the background technology.
The realization the technical solution of the utility model is as follows:
A kind of unwinding device for warp knitting machine, it comprises fixed mount, crossbeam and is arranged at unwinding device on the crossbeam, this friction unwinding device comprises the initiatively driven synchronous pulley of the driven let off roll rotation of active synchronization belt wheel, control of let off roll rotation of initiatively let off roll, driven let off roll, control, the active synchronization belt wheel is connected with transmission gear for electric motor with driven synchronous pulley, and initiatively let off roll and driven let off roll are arranged on the let off roll fixed head.
In order to make the cloth cover after unreeling can be corresponding with the position, knitting place of warp knitting machine, improve knitting quality, described let off roll fixed head below is provided with the let off roll position regulator, and it comprises some groups of idler wheel mechanisms and the horizontal micromatic setting of cloth cover that is connected with the let off roll fixed head.
For the ease of adjusting the position of let off roll, time saving and energy saving, described idler wheel mechanism comprises rolling wheel support, roller and roller shaft, is provided with the roller shaft spacer in the bearing of roller, and the through hole that roller shaft passes the rolling wheel support side is arranged in the roller shaft spacer.
For the ease of adjusting the position of let off roll, the horizontal micromatic setting of described cloth cover comprises the holder of L type, the horizontal component of the lower end of holder is fixed on the crossbeam of unwinding device, the vertical plane of holder is provided with the fixed head that is used for fixing handwheel, there is screw rod at the handwheel center by bolting, the position that screw rod is connected with handwheel is provided with keyway, be provided with the retainingf key that screw rod is circumferentially located in the keyway, fixed head is provided with bearing, bearing centre is provided with spacer, described screw rod is arranged in this spacer, screw rod is provided with locking nut, screwed hole on the screw rod of locking nut right-hand member and the let off roll fixed head is by threaded engagement, and handwheel is provided with rocking bar.
In order to make the cloth cover after unreeling smooth, described driven let off roll left end is provided with and holds out against roller arrangement, and it comprises and holds out against roller and hold out against roller regulating device.
Hold out against the dynamics that roller holds out against cloth cover for the ease of adjusting, the described roller regulating device that holds out against comprises holding device, holding device is arranged on the let off roll fixed head, the right-hand member of holding device is connected with swivel nut, and the right-hand member of swivel nut connects and is used to support the bearing block that holds out against roller, is provided with bearing in the bearing block, the rotating shaft that holds out against roller is arranged in this bearing, swivel nut is provided with internal thread, and swivel nut left end internal face is provided with levogyrate inner thread, and the right-hand member internal face of swivel nut is provided with the dextrorotation internal thread.
Described holding device is a cylinder.
In order to prevent that the bearing that holds out against roller regulating device is damaged under the effect of not parallel power, described bearing block is a joint bearing block, and bearing is an oscillating bearing.
In order to prevent that cylinder is damaged because of bearing the weight that holds out against roller, the described roller two ends that hold out against are arranged in the guide bearing, and guide bearing is arranged on the guide pad, and guide pad is arranged on the let off roll fixed head.
In order to improve the knitting quality of warp knitting machine, slow down the wearing and tearing of knitting needle, described unwinding device for warp knitting machine also comprises gauze face angle regulator, it is arranged at the left side of driven let off roll, it comprises front roll, back roll, tie rod and pedal, front roll is arranged on the front roll fixed mount, the front roll fixed mount is arranged on the foot pedal support frame, back roll is arranged on the back roll fixed mount, the back roll fixed mount is arranged on the tie rod, the position of front roll is higher than the position of back roll, be provided with the waist-shaped hole that is used to adjust front roll and back roll height on front roll fixed mount and the back roll fixed mount, the common tangent of the lower end of front roll and back roll is horizontal by 3 °~15 ° angle.
The beneficial effects of the utility model are because the mode that unwinding device for warp knitting machine of the present utility model adopts friction to unreel, let off roll bears the weight of yardage roll, friction by let off roll and cloth cover unreels felt-cloth, can unreel smoothly, let off roll fixed head below is provided with the let off roll position regulator, can make the position that unreels the back cloth cover corresponding by this position regulator with the position at knitting place, improve the knitting quality of cloth cover, on the left of driven let off roll, be provided with and hold out against roller arrangement, promote to hold out against roller by cylinder, make it hold out against driven let off roll, cloth cover is being driven plain under the out-of-date pressure effect that is holding out against roller, be convenient to follow-up knitting process, improve knitting quality.This cylinder push-rod that holds out against roller arrangement connects swivel nut, and the right-hand member of swivel nut connects joint bearing block, and the inwall at swivel nut two ends is provided with levogyrate inner thread and dextrorotation internal thread respectively, therefore, can change the compress dynamics of roller to cloth cover that hold out against by Adjusting bolt Adjusting screw.Because it is longer to hold out against roller length, in the process of holding out against, rotating shaft place that holds out against the roller two ends can be subjected to the effect of not parallel power, if adopt plain bearing, then bearing is easy to damage, and adopts oscillating bearing to address this problem.Because it is longer to hold out against roller length, gravity is heavier, its rotating shaft is connected with cylinder push-rod, if its gravity is directly born by cylinder, is easy to make cylinder to damage, therefore the rotating shaft that holds out against the roller both sides is provided with guide bearing, this guide bearing is arranged in the gathering sill of guide pad, and this guide pad is arranged on the let off roll fixed head, therefore, the gravity that holds out against roller is delivered on the let off roll fixed head by guide bearing, can not cause damage to cylinder.On the left of holding out against roller arrangement, be provided with front roll and back roll, front roll is arranged on the front roll fixed mount, the front roll fixed mount is arranged on the foot pedal support frame, back roll is arranged on the back roll fixed mount, the back roll fixed mount is arranged on the tie rod, the position of front roll is higher than the position of back roll, be provided with the waist-shaped hole that is used to adjust front roll and back roll height on front roll fixed mount and the back roll fixed mount, the common tangent of the lower end of front roll and back roll is horizontal by 3 °~15 ° angle, therefore when entering knitting place, cloth cover can improve the cloth cover knitting quality, and can reduce wearing and tearing, prolong its service life knitting needle.
Description of drawings
Fig. 1 is the schematic diagram of unwinding device for warp knitting machine of the present invention; Fig. 2 is the vertical view of unwinding device of the present invention; Fig. 3 is the left view schematic diagram of Fig. 1; Fig. 4 is the partial schematic diagram of the A portion of Fig. 1; Fig. 5 is the partial schematic diagram of the B portion of Fig. 1;
Among the figure, 1 is fixed mount, and 2 is crossbeam, and 3 is the active let off roll, 4 is driven let off roll, and 5 is the active synchronization belt wheel, and 6 is driven synchronous pulley, and 7 is transmission gear for electric motor, 8 is the let off roll fixed head, and 9 is rolling wheel support, and 10 is roller, and 11 is roller shaft, 12 is the roller shaft spacer, and 13 is holder, and 14 is fixed head, 15 is handwheel, and 16 is screw rod, and 17 is keyway, 18 is retainingf key, and 19 is spacer, and 20 is locking nut, 21 is rocking bar, and 22 for holding out against roller, and 23 is swivel nut, 24 is cylinder, and 25 is joint bearing block, and 26 is oscillating bearing, 27 is guide bearing, and 28 is guide pad, and 29 is gathering sill, 30 is guide rail, and 31 is front roll, and 32 is back roll, 33 is tie rod, and 34 is pedal, and 35 is the front roll fixed mount, 36 is foot pedal support frame, and 37 is the back roll fixed mount, and 38 is knitting needle.
The specific embodiment
Referring to accompanying drawing 1 to a kind of unwinding device for warp knitting machine shown in Figure 3, it comprises fixed mount 1, crossbeam 2 and is arranged at unwinding device on the crossbeam 2, this friction unwinding device comprises the driven synchronous pulley 6 that the driven let off roll 4 of active synchronization belt wheel 5, control of initiatively let off roll 3, driven let off roll 4,3 rotations of control active let off roll rotates, active synchronization belt wheel 5 is connected with transmission gear for electric motor 7 with driven synchronous pulley 6, and initiatively let off roll 3 and driven let off roll 4 are arranged on the let off roll fixed head 8.In order to make the cloth cover after unreeling can be corresponding with the position, knitting place of warp knitting machine, improve knitting quality, described let off roll fixed head 8 belows are provided with the let off roll position regulator, and it comprises some groups of idler wheel mechanisms and the horizontal micromatic setting of cloth cover that is connected with let off roll fixed head 8.Idler wheel mechanism comprises roller 10 supports 9, roller 10 and roller shaft 11, is provided with roller shaft spacer 12 in the bearing of roller 10, and the through hole that roller shaft 11 passes roller 10 supports 9 sides is arranged in the roller shaft spacer 12.The horizontal micromatic setting of cloth cover comprises the holder 13 of L type, the horizontal component of the lower end of holder 13 is fixed on the crossbeam 2 of unwinding device, the vertical plane of holder 13 is provided with the fixed head 14 that is used for fixing handwheel 15, there is screw rod 16 at handwheel 15 centers by bolting, the position that screw rod 16 is connected with handwheel 15 is provided with keyway 17, be provided with the retainingf key 18 that screw rod 16 is circumferentially located in the keyway 17, fixed head 14 is provided with bearing, bearing centre is provided with spacer 19, described screw rod 16 is arranged in this spacer 19, screw rod 16 is provided with locking nut 20, the screw rod 16 of locking nut 20 right-hand members and the screwed hole on the let off roll fixed head 8 are by threaded engagement, and handwheel 15 is provided with rocking bar 21.In order to make the cloth cover after unreeling smooth, described driven let off roll 4 left ends are provided with and hold out against roller arrangement, and it comprises and holds out against roller 22 and hold out against roller regulating device.The described roller regulating device that holds out against comprises holding device, holding device is arranged on the let off roll fixed head 8, the right-hand member of holding device is connected with swivel nut 23, the right-hand member of swivel nut 23 connects and is used to support the joint bearing block 25 that holds out against roller 22, be provided with oscillating bearing 26 in the joint bearing block 25, the rotating shaft that holds out against roller 22 is arranged in this oscillating bearing 26, and swivel nut 23 is provided with internal thread, swivel nut 23 left end internal faces are provided with levogyrate inner thread, and the right-hand member internal face of swivel nut 23 is provided with the dextrorotation internal thread.Holding device is a cylinder 4.In order to prevent that cylinder 4 is damaged because of bearing the weight that holds out against roller 22, described roller 22 two ends that hold out against are arranged in the guide bearing 27, and guide bearing 27 is arranged on the guide pad 28, and guide pad 28 is arranged on the let off roll fixed head 8.In order to improve the knitting quality of warp knitting machine, slow down the wearing and tearing of knitting needle 38, described unwinding device for warp knitting machine also comprises gauze face angle regulator, it is arranged at the left side of driven let off roll 4, it comprises front roll 31, back roll 32, tie rod 33 and pedal 34, pedal 34 belows are provided with foot pedal support frame 36, be used for the operator and step down in pedal 34 enterprising line correlation operations, tie rod 33 is used to connect the fixed mount 1 of unwinding device and the head of warp knitting machine, front roll 31 is arranged on the front roll fixed mount 35, front roll fixed mount 35 is arranged on the foot pedal support frame 36, back roll 32 is arranged on the back roll fixed mount 37, back roll fixed mount 37 is arranged on the tie rod 33, the position of front roll 31 is higher than the position of back roll 32, be provided with the waist-shaped hole that is used to adjust front roll 31 and back roll 32 height on front roll fixed mount 35 and the back roll fixed mount 37, the common tangent of the lower end of front roll 31 and back roll 32 is horizontal by 3 °~15 ° angle.
When unwinding device for warp knitting machine is worked, yardage roll is placed between active let off roll 3 and the driven let off roll 4, starter motor then, driven by motor active synchronization belt wheel 5 and driven synchronous pulley 6 rotate, active synchronization belt wheel 5 and driven synchronous pulley 6 drive initiatively let off roll 3 and 4 rotations of driven let off roll respectively, yardage roll is along with active let off roll 3 and driven let off roll 4 rotate, cloth cover is when the below of driven let off roll 4 arrives driven let off roll 4 left sides, under the pressure effect that holds out against roller 22, be driven plain, then along holding out against roller 22 transmissions, arrive the downside of front roll 31, arrive the downside of back roll 32 then, enter the knitting place of warp knitting machine at last.In the process of unreeling because be that the rotation that rotation by active let off roll 3 and driven let off roll 4 drives yardage roll unreels, compare with the existing central shaft mode of unreeling, unreel better effects if, because the cloth cover after unreeling, process can be driven plain under the pressure effect that holds out against roller 22 when holding out against roller 22, therefore, be convenient to improve knitting quality, cloth cover is through front roll 31 and back roll 32 time, because the position of back roll 32 is lower than front roll 31, therefore, an angle is arranged between cloth cover and the horizontal plane, this angle generally fixes between 3 °~15 ° according to actual conditions, because the existence of this angle is arranged, when cloth cover enters the knitting place of warp knitting machine, knitting better quality, and less to the wearing and tearing of knitting needle 38, be of value to the service life that prolongs knitting needle 38.Below let off roll fixed head 8, be provided with the let off roll position regulator that is used to adjust the let off roll position, it comprises some groups of idler wheel mechanisms and the horizontal micromatic setting of cloth cover that is connected with let off roll fixed head 8, described idler wheel mechanism comprises roller 10 supports 9, roller 10 and roller shaft 11, be provided with roller shaft spacer 12 in the bearing of roller 10, the through hole that roller shaft 11 passes roller 10 supports 9 sides is arranged in the roller shaft spacer 12, the horizontal micromatic setting of cloth cover comprises the holder 13 of L type, the horizontal component of the lower end of holder 13 is fixed on the crossbeam 2 of unwinding device, the vertical plane of holder 13 is provided with the fixed head 14 that is used for fixing handwheel 15, there is screw rod 16 at handwheel 15 centers by bolting, the position that screw rod 16 is connected with handwheel 15 is provided with keyway 17, be provided with the retainingf key 18 that screw rod 16 is circumferentially located in the keyway 17, fixed head 14 is provided with bearing, bearing centre is provided with spacer 19, described screw rod 16 is arranged in this spacer 19, screw rod 16 is provided with locking nut 20, the screw rod 16 of locking nut 20 right-hand members passes through threaded engagement with the screwed hole on the let off roll fixed head 8, handwheel 15 is provided with rocking bar 21, when needs are adjusted the position of cloth cover, unclamp locking nut 20 earlier, shake rocking bar 21 then, handwheel 15 is rotated, then relative motion takes place with let off roll fixed head 8 in screw rod 16, drive the let off roll move left and right, because be provided with idler wheel mechanism below the let off roll fixed head 8, the roller 10 of idler wheel mechanism is arranged on the guide rail 30, guide rail 30 is arranged on the crossbeam 2 on the fixed mount, therefore, by shaking the move left and right of rocking bar 21 easier drive let off roll fixed mounts, in this way, can realize accurate adjustment to the lateral attitude of cloth cover, make its position corresponding, the knitting quality of warp knitting machine is improved with the position at the knitting place of warp knitting machine.Cylinder 4 push rods that hold out against roller arrangement connect swivel nut 23, the right-hand member of swivel nut 23 connects joint bearing block 25, the inwall at swivel nut 23 two ends is provided with levogyrate inner thread and dextrorotation internal thread respectively, therefore, can change the dynamics that compresses that holds out against 22 pairs of cloth covers of roller by Adjusting bolt Adjusting screw 23.Because it is longer to hold out against roller 22 length, in the process of holding out against, rotating shaft place that holds out against roller 22 two ends can be subjected to the effect of not parallel power, if adopt plain bearing, then bearing is easy to damage, and adopts oscillating bearing 26 to address this problem.Because it is longer to hold out against roller 22 length, gravity is heavier, its rotating shaft is connected with cylinder 4 push rods, if its gravity is directly born by cylinder 4, is easy to make cylinder 4 to damage, therefore the rotating shaft that holds out against roller 22 both sides is provided with guide bearing 27, this guide bearing 27 is arranged in the gathering sill 29 of guide pad 28, and this guide pad 28 is arranged on the let off roll fixed head 8, therefore, the gravity that holds out against roller 22 is delivered on the let off roll fixed head 8 by guide bearing 27, can not cause damage to cylinder 4.
In sum, unwinding device for warp knitting machine of the present utility model is compared with existing unwinding device obviously to improve and is unreeled effect and the knitting effect of tricot machine, and structure is more reasonable, the machine maintenance time can obviously be reduced, prolong the service life of parts, be more convenient for increasing economic efficiency and efficiency.

Claims (10)

1. unwinding device for warp knitting machine, it comprises fixed mount, crossbeam and is arranged at unwinding device on the crossbeam, it is characterized in that: this friction unwinding device comprises the initiatively driven synchronous pulley of the driven let off roll rotation of active synchronization belt wheel, control of let off roll rotation of initiatively let off roll, driven let off roll, control, the active synchronization belt wheel is connected with transmission gear for electric motor with driven synchronous pulley, and initiatively let off roll and driven let off roll are arranged on the let off roll fixed head.
2. unwinding device for warp knitting machine according to claim 1 is characterized in that: described let off roll fixed head below is provided with the let off roll position regulator, and it comprises some groups of idler wheel mechanisms and the horizontal micromatic setting of cloth cover that is connected with the let off roll fixed head.
3. unwinding device for warp knitting machine according to claim 2, it is characterized in that: described idler wheel mechanism comprises rolling wheel support, roller and roller shaft, be provided with the roller shaft spacer in the bearing of roller, the through hole that roller shaft passes the rolling wheel support side is arranged in the roller shaft spacer.
4. unwinding device for warp knitting machine according to claim 2, it is characterized in that: the horizontal micromatic setting of described cloth cover comprises the holder of L type, the horizontal component of the lower end of holder is fixed on the crossbeam of unwinding device, the vertical plane of holder is provided with the fixed head that is used for fixing handwheel, there is screw rod at the handwheel center by bolting, the position that screw rod is connected with handwheel is provided with keyway, be provided with the retainingf key that screw rod is circumferentially located in the keyway, fixed head is provided with bearing, bearing centre is provided with spacer, described screw rod is arranged in this spacer, screw rod is provided with locking nut, screwed hole on the screw rod of locking nut right-hand member and the let off roll fixed head is by threaded engagement, and handwheel is provided with rocking bar.
5. unwinding device for warp knitting machine according to claim 1 is characterized in that: described driven let off roll left end is provided with and holds out against roller arrangement, and it comprises and holds out against roller and hold out against roller regulating device.
6. unwinding device for warp knitting machine according to claim 5, it is characterized in that: the described roller regulating device that holds out against comprises holding device, holding device is arranged on the let off roll fixed head, the right-hand member of holding device is connected with swivel nut, and the right-hand member of swivel nut connects and is used to support the bearing block that holds out against roller, is provided with bearing in the bearing block, the rotating shaft that holds out against roller is arranged in this bearing, swivel nut is provided with internal thread, and swivel nut left end internal face is provided with levogyrate inner thread, and the right-hand member internal face of swivel nut is provided with the dextrorotation internal thread.
7. unwinding device for warp knitting machine according to claim 6 is characterized in that: described holding device is a cylinder.
8. unwinding device for warp knitting machine according to claim 6 is characterized in that: described bearing block is a joint bearing block, and bearing is an oscillating bearing.
9. unwinding device for warp knitting machine according to claim 6 is characterized in that: the described roller two ends that hold out against are arranged in the guide bearing, and guide bearing is arranged on the guide pad, and guide pad is arranged on the let off roll fixed head.
10. according to any described unwinding device for warp knitting machine in the claim 1 to 9, it is characterized in that: described unwinding device for warp knitting machine also comprises gauze face angle regulator, it is arranged at the left side of driven let off roll, it comprises front roll, back roll, tie rod and pedal, front roll is arranged on the front roll fixed mount, the front roll fixed mount is arranged on the foot pedal support frame, back roll is arranged on the back roll fixed mount, the back roll fixed mount is arranged on the tie rod, the position of front roll is higher than the position of back roll, be provided with the waist-shaped hole that is used to adjust front roll and back roll height on front roll fixed mount and the back roll fixed mount, the common tangent of the lower end of front roll and back roll is horizontal by 3 °~15 ° angle.
CN 201020521972 2010-09-09 2010-09-09 Unwinding device of warp knitting machine Expired - Lifetime CN201793883U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201020521972 CN201793883U (en) 2010-09-09 2010-09-09 Unwinding device of warp knitting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201020521972 CN201793883U (en) 2010-09-09 2010-09-09 Unwinding device of warp knitting machine

Publications (1)

Publication Number Publication Date
CN201793883U true CN201793883U (en) 2011-04-13

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ID=43848804

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201020521972 Expired - Lifetime CN201793883U (en) 2010-09-09 2010-09-09 Unwinding device of warp knitting machine

Country Status (1)

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CN (1) CN201793883U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101929033A (en) * 2010-09-09 2010-12-29 常州市第八纺织机械有限公司 Unwinding device for warp knitting machine
CN104499100A (en) * 2014-12-08 2015-04-08 无锡市天元电脑绗缝机有限公司 Opening device of pillow filling machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101929033A (en) * 2010-09-09 2010-12-29 常州市第八纺织机械有限公司 Unwinding device for warp knitting machine
CN101929033B (en) * 2010-09-09 2012-05-23 常州市第八纺织机械有限公司 Unwinding device for warp knitting machine
CN104499100A (en) * 2014-12-08 2015-04-08 无锡市天元电脑绗缝机有限公司 Opening device of pillow filling machine

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GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20110413

Effective date of abandoning: 20120523