CN106948079B - A kind of three dimensional knitting machine for taking yarn device and its application automatically increasing or decreasing yarn - Google Patents
A kind of three dimensional knitting machine for taking yarn device and its application automatically increasing or decreasing yarn Download PDFInfo
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- CN106948079B CN106948079B CN201710285602.XA CN201710285602A CN106948079B CN 106948079 B CN106948079 B CN 106948079B CN 201710285602 A CN201710285602 A CN 201710285602A CN 106948079 B CN106948079 B CN 106948079B
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C3/00—Braiding or lacing machines
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Abstract
The invention discloses what one kind can automatically increase or decrease yarn to take yarn device, including taking yarn device main body and increase and decrease yarn mechanism, Zai Sha mechanism and the driving mechanism taken in yarn device main body being arranged in, increase and decrease yarn mechanism is located at the top for taking yarn device main body, Zai Sha mechanism is located at the middle part for taking yarn device main body, and driving mechanism is located at the bottom for taking yarn device main body.Solve it is existing take yarn device carry out variable cross-section braiding when, need manual change weave fineness of yarn, need to change take yarn device motion profile or need to introduce sundries come realize increase and decrease yarn the problem of.The invention also discloses the three dimensional knitting machine for taking yarn device is utilized.Including weaving frames and deflecting from motor, preforming collet, chassis and multiple take yarn device in weaving frames is set, chassis is located at the lower part of weaving frames, multiple to take the arrangement of yarn device and be mounted on chassis, preforming collet, which is located at, takes the surface of yarn device, is fixed by the connecting rod in weaving frames.
Description
Technical field
The invention belongs to three dimensional knitting machine apparatus field, be related to it is a kind of can automatically increase or decrease yarn take yarn device.The present invention also relates to
And the three dimensional knitting machine of yarn device is taken using this.
Background technique
Three dimensional weaving technique is a kind of advanced composite material (ACM) manufacturing technology, and the composite material prefabricated component made by it has matter
Many advantages, such as amount is light, and intensity is high, good mechanical performance, at present in aerospace, defence and military, communications and transportation, the energy
Etc. various fields be widely used, and constantly extended to civil field.
Three dimensional knitting machine is the equipment for weaving 3 D stereo braided fabric, and regular fortune is done on chassis 5 by taking yarn device 4
Dynamic, so that yarn is interleaved in space, the prefabricated component of cross-section needed for being formed or variable cross-section, prefabricated component is by deflecting from motor 1
Preforming collet 2 is driven gradually to leave knitting zone.The method of research comparative maturity has four step rule and two step method at present.Existing three
Yarn device is taken entrained by dimension braider, since cannot all realize oneself is operated alone control, cannot achieve and automatically increase or decrease yarn.
Taking yarn device is very important component part in three dimensional knitting machine.Traditional takes yarn device usually only equipped with a yarn
Cylinder carries yarn and enters braiding.Yarn device is taken using such, the side to be used when realizing the braiding of variable cross-section prefabricated component
Method is unit size "flop-out" method or element number reduces method, but fluffing, broken string are easy to appear when use unit size "flop-out" method
The problems such as, carry out manual intervention furthermore need to be shut down when variable cross-section weaves, and using element number to reduce method can make to take yarn device
It controls difficulty to increase, both of which keeps the working efficiency of braiding relatively low.
Summary of the invention
It is an object of the present invention to provide what one kind can automatically increase or decrease yarn to take yarn device, solve it is existing take yarn device and become cut
When face weaves, manual change is needed to weave fineness of yarn, need to change and take yarn device motion profile or sundries need to be introduced to realize increase and decrease
The problem of yarn.
The technical scheme adopted by the invention is that it is a kind of automatically increase or decrease yarn take yarn device, including take yarn device main body and set
It sets and is taking increase and decrease yarn mechanism, Zai Sha mechanism and driving mechanism in yarn device main body, increase and decrease yarn mechanism, which is located at, takes the upper of yarn device main body
Portion, Zai Sha mechanism are located at the middle part for taking yarn device main body, and driving mechanism is located at the bottom for taking yarn device main body.
The features of the present invention also characterized in that taking, yarn device main body is generally cylindrical, and center is provided with electric machine main shaft, increases
The top for taking yarn device main body is arranged in Jian Sha mechanism, and increase and decrease yarn mechanism includes four solid yarn devices and a swingle, four solid yarns
Device, which is uniformly distributed, to be arranged in around electric machine main shaft, and swingle is connect with electric machine main shaft, takes the middle part of yarn device main body, there are four
Cross section is the fan-shaped opening cavity for having certain altitude, and four Ge Zai yarn mechanisms are respectively fixed in the bottom surface of cavity, carries yarn machine
Structure includes unidirectional self-lock mechanism, tube and tension control mechanism.
Gu the structure of yarn device includes being fixed on the solid yarn device bracket for taking yarn device main body top and being mounted on solid yarn device bracket
Solid yarn ring, Gu yarn device bracket includes the vertical support being arranged in a mutually vertical manner and lateral struts, wherein vertical support is vertically fixed
In taking yarn device main body top, lateral struts one end is connect with vertical support, and the other end is fixedly connected with a yarn guiding ring, yarn guiding ring
Lower section be provided with solid yarn ring, Gu yarn ring is fixed together by linking arm and vertical support, Gu yarn ring include can be fastened on
Lock yarn end and pressure yarn end together.
Pressure yarn end contacts setting with jacking block, and jacking block one end and pressure yarn end in contact, the other end are fixed on compact heap, compact heap
There is a face for inclined-plane, the stationary plane of the inclined-plane and jacking block is oppositely arranged, and there are two L-type support arm, L for setting in the two sides of compact heap
The long end of type support arm is fixed with vertical column, is provided with spring between the galianconism and compact heap of L-type support arm, two L-type support arms it
Between distance should be greater than the width of jacking block, and be less than the width of compact heap, be provided with pushing movable block above the inclined-plane of compact heap,
It pushes movable block and passes through lateral struts, and can move up and down.
Swingle includes the annulus to link together and connecting rod, and annulus is sleeved on electric machine main shaft, can be with motor
The rotation of main shaft and rotate, the central axis of connecting rod and annulus；The end of connecting rod, which is fixedly connected, is fixed with a fixation
Block, and it is vertically arranged with connecting rod, pushes away the lower section that yarn handgrip is mounted on fixed block by bolt, it is parallel with connecting rod.Connection
The end of bar is fixedly connected with a cutoff tool, and the working face of cutoff tool is opposite with the working face direction of yarn handgrip is pushed away.
Unidirectional self-lock mechanism is fixed on bottom surface, is bolted to connection between the two, and yarn shaft is mounted on bottom surface,
The upper and lower of tube is respectively arranged with tube lower stopper and tube upper stopper, and tube lower stopper and tube upper stopper are respectively welded at yarn
Cylinder upper and lower ends, tube lower stopper are kept in contact with unidirectional self-lock mechanism, and the rear of tube is provided with curved support plate, and tube is worn
In yarn shaft, tube is located on self-locking mechanism.
Curved support plate is welded on bottom plate, and curved support plate is connect with tension control mechanism, and tension control mechanism includes
The support frame being connected on curved support plate and two crossbeams disposed in parallel, one end of two crossbeams are separately fixed at support frame
On the curved support plate on both sides.
There are two springs for the installation of the other end of two crossbeams straight down, are vertically installed with cross in the middle part of two crossbeams
Axis on beam, the both ends of axis are each passed through two crossbeams on crossbeam, and there are two support column, supports for the both ends connection after stretching out crossbeam
Column is vertical with axis on crossbeam, and axis can rotate in crossbeam on crossbeam；Pulley B is provided on crossbeam in the middle part of axis, using gluing
Gluing connection type；The end of two support columns is connected with crossbeam lower axle, and pulley A, bullet are provided in the middle part of crossbeam lower axle
Spring one end is connect with crossbeam, and the other end is connected in crossbeam lower axle, and two springs are located at the two sides of pulley A close to support column
Position, using the connection type of the gluing of gluing.There is through-hole on support frame, and the position of the through-hole is located at the upper of yarn shaft
Side.
Yarn device driving mechanism is taken, including driving motor and the motor gear connecting with driving motor, driving motor passes through spiral shell
Bolt is fastened on the lower part for taking yarn device main body, motor gear and tooth band connection, and tooth band is also connect with mainshaft gear, mainshaft gear
It is connect with electric machine main shaft, tooth band is to engage connection with the connection type of motor gear and mainshaft gear.
It is a further object of the present invention to provide a kind of three dimensional knitting machines for applying and can automatically increasing or decreasing yarn and taking yarn device.
Another technical solution of the invention is a kind of three dimensional knitting machine for automatically increasing or decreasing yarn, used it is above-mentioned can from
Dynamic increase and decrease yarn takes yarn device, including weaving frames and is arranged in weaving frames and deflects from motor, preforming collet, chassis and multiple
Take yarn device, chassis is located at the lower part of weaving frames, and multiple to take the arrangement of yarn device and be mounted on chassis, preforming collet, which is located at, takes yarn device
Surface, be fixed by the connecting rod in weaving frames, controlled from the yarn drawn in yarn device is taken by preforming collet
It makes, is equipped in weaving frames and deflects from motor, for controlling preforming collet.
The invention has the advantages that one is taken yarn device and carries 4 tubes, circular back-plane design can make multi-strand yarns
Simultaneously participate in braiding, to variable cross-section prefabricated component weave when obviously than conventional three-dimensional braiding apparatus can reduction at double take yarn device
Quantity；When for braiding variable cross-section prefabricated component, the requirement for increasing yarn or subtracting yarn can be realized with the positive and negative rotation by motor；Become
Yarn device is taken when weaving in section, and the increase and decrease yarn of continuous several times can be realized by the positive and negative rotation of wireless reception exchange signal control motor
Movement avoids the artificial participation during variable cross-section weaves or specially changes certain motion profiles for taking yarn device, so that
Braid efficiency significantly improves.
Detailed description of the invention
Fig. 1 is the complete machine structure signal that the three dimensional knitting machine for taking yarn device that one kind of the present invention can automatically increase or decrease yarn is utilized
Figure；
Fig. 2 is the structural schematic diagram for taking yarn device that one kind of the present invention can automatically increase or decrease yarn；
Fig. 3 is the schematic device for the solid yarn device for taking yarn device that one kind of the present invention can automatically increase or decrease yarn；
Fig. 4 is the part-structure enlarged diagram for the solid yarn device for taking yarn device that one kind of the present invention can automatically increase or decrease yarn
Fig. 5 is the structural schematic diagram for inventing a kind of swingle for taking yarn device that can automatically increase or decrease yarn；
Fig. 6 is the structural schematic diagram for the thread carrier for taking yarn device that one kind of the present invention can automatically increase or decrease yarn；
Fig. 7 is the shaft side figure for the thread carrier for taking yarn device that one kind of the present invention can automatically increase or decrease yarn；
Fig. 8 is the structural representation for the driving mechanism for taking yarn device that one kind of the present invention can automatically increase or decrease yarn.
In figure, 1. deflect from motor, and 2. preforming collets, 3. weaving frames, 4. take yarn device, and 5. chassis, 6. increase and decrease yarn mechanisms,
7. Zai Sha mechanism, 8. driving mechanisms, 9. solid yarn device brackets, 9-1. lateral struts, 9-2. vertical support, 9-3. yarn guiding ring, 9-4.L
The long end of type support arm, the galianconism of 9-5.L type support arm, 10. compact heaps, 10-1. jacking block, 11. pushing movable blocks, 12. solid yarn rings,
12-1. presses yarn end, and 12-2. locks yarn end, and 12-3. linking arm, 13. springs, 14. annulus, 15. connecting rods, 16. fixed blocks, 17. push away
Yarn handgrip, 18. cutoff tools, 19. bottom surfaces, 20. unidirectional self-lock mechanisms, 21. tube lower stoppers, 22. tubes, 23. curved support plates,
24. crossbeam lower axle, 25. yarn shafts, 26. pulley A, 27. support columns, 28. springs, 29. crossbeams, axis on 30. crossbeams, 31 pulley B,
32. tube upper stopper, 33. support frames, 34. driving motors, 35. motor gears, 36. tooth bands, 37. mainshaft gears, 38. take yarn device
Main body, 39. electric machine main shafts, 40. swingles, 41. solid yarn devices.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
A kind of three dimensional knitting machine automatically increasing or decreasing yarn, as shown in Figure 1, including weaving frames 3 and setting in weaving frames 3
On deflect from motor 1, preforming collet 2, chassis 5 and it is multiple take yarn device 4, chassis 5 is located at the lower part of weaving frames 3, multiple to take
The arrangement of yarn device 4 is mounted on chassis 5, and preforming collet 2 is located at the surface for taking yarn device 4, is fixed by the connecting rod in braider
On frame 3, is controlled from the yarn drawn in yarn device 4 is taken by preforming collet 2, be equipped in weaving frames 3 and deflect from motor
1, for controlling preforming collet 2, as the molding prefabricated component of carry out of braiding gradually deflects from shaping area by collet.
A kind of automatically increase or decrease takes yarn device 4 used in the three dimensional knitting machine of yarn, as shown in Fig. 2, including taking yarn device main body
38 and increase and decrease yarn mechanism 6, Zai Sha mechanism 7 and the driving mechanism 8 taken in yarn device main body 38 be set, increase and decrease yarn mechanism 6, which is located at, to be taken
The top of yarn device main body 38, Zai Sha mechanism 7 are located at the middle part for taking yarn device main body 38, and driving mechanism 8, which is located at, takes yarn device main body 38
Bottom.
It is generally cylindrical to take yarn device main body 38, center is provided with electric machine main shaft 39, and the setting of increase and decrease yarn mechanism 6 exists
The top of yarn device main body 38 is taken, increase and decrease yarn mechanism 6 includes four solid yarn devices 41 and a swingle 40, and four solid yarn devices 41 are uniformly
Distribution be arranged in around electric machine main shaft 39, swingle 40 is connect with electric machine main shaft 39.
Gu the structure of yarn device 41 is as shown in Figure 3 and Figure 4, the solid yarn device bracket 9 on 38 top of yarn device main body is taken including being fixed on
With the solid yarn ring 12 being mounted on solid yarn device bracket 9, Gu yarn device bracket 9 includes the vertical support 9-2 and cross that are arranged in a mutually vertical manner
To pillar 9-1, wherein vertical support 9-2, which is perpendicularly fixed at, takes 38 top of yarn device main body, the one end lateral struts 9-1 and vertical branch
Column 9-2 connection, the other end is fixedly connected with a yarn guiding ring 9-3, solid yarn ring 12 is provided with below yarn guiding ring 9-3, Gu yarn ring
12 are fixed together by linking arm 12-3 and vertical support 9-2, Gu yarn ring 12 includes the lock yarn end 12- that can be snapped together
2 and pressure yarn end 12-1, pressure yarn end 12-1 contact setting with jacking block 10-1, and jacking block one end is contacted with pressure yarn end 12-1, and the other end is solid
It is scheduled on compact heap 10, it is inclined-plane that compact heap 10, which has a face, and the inclined-plane and the stationary plane of jacking block 10-1 are oppositely arranged, are compressing
The two sides setting of block 10-1 is there are two L-type support arm, and the long end 9-4 and vertical column 9-2 of L-type support arm are fixed, the galianconism of L-type support arm
Spring 13 is provided between 9-5 and compact heap 10, the distance between two L-type support arms should be greater than the width of jacking block 10-1, and small
In the width of compact heap 10.It is provided with above the inclined-plane of compact heap 10 and pushes movable block 11, pushed movable block 11 and pass through laterally branch
Column 9-1, and can move up and down.
As shown in figure 5, swingle 40 includes that the annulus 14 to link together and connecting rod 15, annulus 14 are sleeved on motor master
On axis 39, it can be rotated, the central axis of connecting rod 15 and annulus with the rotation of electric machine main shaft 39；The end of connecting rod 15
End, which is fixedly connected, is fixed with a fixed block 16, and it is vertically arranged with connecting rod 15, pushes away yarn handgrip 17 and is mounted on by bolt
The lower section of fixed block 16, it is parallel with connecting rod 15.The end of connecting rod 15 is fixedly connected with a cutoff tool 18, cutoff tool 18
Working face is opposite with the working face direction of yarn handgrip 17 is pushed away.
The middle part of yarn device main body 38 is taken, is the fan-shaped opening cavity for having certain altitude, the bottom of cavity there are four cross section
Four Ge Zai yarn mechanisms 7 are respectively fixed in face 19,
As shown in fig. 6, Zai Sha mechanism 7 includes unidirectional self-lock mechanism 20, tube 22 and tension control mechanism,
Unidirectional self-lock mechanism 20 is fixed on bottom surface 19, is bolted to connection between the two, and yarn shaft is mounted on bottom
On face 19, the upper and lower of tube 22 is respectively arranged with tube lower stopper 21 and tube upper stopper 32, in tube lower stopper 21 and tube
Block 32 is respectively welded at tube upper and lower ends, and tube lower stopper 21 is kept in contact with unidirectional self-lock mechanism 20.
The rear of tube 22 is provided with curved support plate 23, and tube 22 is through in yarn shaft 25, and tube 22 is located at from lock machine
On structure.
As shown in fig. 7, curved support plate 23 is welded on bottom plate 19, curved support plate 23 is connect with tension control mechanism,
Tension control mechanism includes the support frame 33 being connected on curved support plate 23 and two crossbeams 29 disposed in parallel, two crossbeams
29 one end is separately fixed on the curved support plate 23 on 33 both sides of support frame.
There are two springs 28 for the installation of the other end of two crossbeams 29 straight down, vertically set at the middle part of two crossbeams 29
Axis 30 on crossbeam are equipped with, the both ends of axis 30 are each passed through two crossbeams 29 on crossbeam, and the both ends after stretching out crossbeam are connected with two
A support column 27, support column 27 is vertical with axis 30 on crossbeam, and axis 30 can rotate in crossbeam on crossbeam.On crossbeam in axis 30
Portion is provided with pulley B31, using the connection type of the gluing of gluing；
The end of two support columns 27 is connected with crossbeam lower axle 24, and the middle part of crossbeam lower axle 24 is provided with pulley A26, spring
28 one end are connect with crossbeam 29, and the other end is connected in crossbeam lower axle 24, and the two sides that two springs are located at pulley A26 are close
The position of support column 27, using the connection type of the gluing of gluing.
There is through-hole on support frame 33, and the position of the through-hole is located at the top of yarn shaft 20.
Yarn device driving mechanism 8 is taken, as shown in figure 8, including driving motor 34 and the motor gear 35 being connect with driving motor,
The lower part for being fixed on and taking yarn device main body 38 is bolted in driving motor 34, and motor gear 35 is connect with tooth band 36, and tooth band is also
It is connect with mainshaft gear 37, mainshaft gear 37 is connect with electric machine main shaft 39, tooth band 36 and motor gear 35 and mainshaft gear 37
Connection type is engagement connection.
The course of work of the invention is: automatically increasing or decreasing the purpose that yarn takes yarn device can be achieved on and automatically increase or decrease the work of yarn and want
It asks.
In Zai Sha mechanism 7, yarn is drawn from tube 22, sequentially successively bypasses pulley B 31 and pulley A respectively
26, after being most pierced by the top for taking yarn device main body 38 after pulley A 26 afterwards, by increasing and decreasing yarn mechanism, final thread, which is fed to, to be taken
Woven extent above yarn device participates in knitting.Pulley B31 is equivalent to a fixed pulley herein, and pulley A26 is equivalent to one
Movable pulley.By common effect, come the control taking yarn device and being got well to yarn tension enable, because whether can be to yarn
The stable control of power is the favourable conditions evaluated the important indicator for taking yarn device, and finally guarantee weave quality.
When yarn tension is excessive, because there are two springs between the crossbeam 29 on support frame 33 and crossbeam lower axle 24
28, then at this time tension pull pulley A 26 have the tendency that moving upwards, spring 28 can compress realize by pulley A 26 to
Upper adjusting, to realize the reduction of yarn tension.
When yarn tension is too small, likewise, because existing between the crossbeam 29 on support frame 33 and crossbeam lower axle 24
Two springs 28, the work for adjusting pulley A26 downwards may be implemented due to the effect of the restoring force of itself in two springs 28 at this time
With to realize the increase of the tension of yarn.
It during braiding, is controlled by the number of yarns that 6 pairs of yarn mechanism of increase and decrease participates in braiding, when yarn is from load
When yarn mechanism 7 is conveyed upwards into increase and decrease yarn mechanism 6, yarn stops in solid yarn device, passes through solid yarn ring 12 and solid yarn device bracket 9 is joined
With braiding process.
The course of work of yarn device is taken to when subtracting yarn and increasing yarn, this automatically increases or decreases yarn individually below to be illustrated,
(1) it when needing to reduce yarn, automatically increases or decreases yarn and takes the driving motor 34 of yarn device and obtain the signal of a main story, just
It can be rotated and be rotated clockwise with driving motor gear 35, thus clockwise the turning of the transmission control mainshaft gear 37 by tooth band 36
It is dynamic, it since selector is fixed on main shaft, can also rotate clockwise therewith, to realize that cutoff tool 18 transports the cutting of yarn
It is dynamic, the yarn for participating in braiding is successively reduced by way of rotation.It is of the present invention take yarn device carry 4 tubes therefore can
The case where to realize the braiding yarn for each taking yarn device main body from 4, be reduced to 3,2,1.
(2) it when needing to increase yarn, automatically increases or decreases yarn and takes the driving motor 34 of yarn device and obtain the signal of an anti-pass, just
It can be rotated and be rotated counterclockwise with driving motor gear 35, thus counterclockwise the turning of the transmission control mainshaft gear 37 by tooth band 36
It is dynamic, it since selector is fixed on main shaft, can also rotate counterclockwise therewith, at this time since the back side of cutoff tool 18 is the circle being arranged
Sliding contact surface, so cutoff tool 18 can push the pushing movable block being arranged on solid yarn device bracket 9 under rotation counterclockwise
11, pushing movable block 11 will push the wedge structure of compact heap 10, so that compact heap 10 pushes jacking block 10-1 to push pressure yarn end 12-
It is moved in 1 towards the institute yarn ring 12-2 in solid yarn ring 12, realizes that solid yarn ring 12 completes the requirement of yarn locking, keep 2 one threads solid
It is scheduled on together.After solid yarn ring 12 is completed to compress self-locking, the position that compact heap 10 returns under the action of spring 13,
Working cycles next time are waited, the braiding process that 1 one thread becomes 2 one threads is just realized.It is of the present invention to take yarn device 4
Yarn device main body 38 is taken including several, each taking yarn device main body 38 includes 4 tubes and 4 solid yarn devices, it is thereby achieved that often
A braiding yarn for taking yarn device main body increases the case where being 2,3,4 from 1 one thread.
Claims (9)
1. what one kind can automatically increase or decrease yarn takes yarn device, which is characterized in that taking yarn device master including taking yarn device main body (38) and setting
Increase and decrease yarn mechanism (6), Zai Sha mechanism (7) and driving mechanism (8) on body (38), the increase and decrease yarn mechanism (6), which is located at, takes yarn
The top of device main body (38), Zai Sha mechanism (7) are located at the middle part for taking yarn device main body (38), and driving mechanism (8), which is located at, takes yarn device master
The bottom of body (38), the driving mechanism (8), including motor gear driving motor (34) and connect with driving motor
(35), the lower part for being fixed on and taking yarn device main body (38), the motor gear is bolted in the driving motor (34)
(35) it is connect with tooth band (36), the tooth band (36) is also connect with mainshaft gear (37), the mainshaft gear (37) and electricity
Owner's axis (39) connection, the tooth band (36) is the company of engagement with the connection type of motor gear (35) and mainshaft gear (37)
It connects.
2. it is according to claim 1 automatically increase or decrease yarn take yarn device, which is characterized in that described takes yarn device main body (38)
Generally cylindrical, center is provided with electric machine main shaft (39), and yarn device main body is being taken in increase and decrease yarn mechanism (6) setting
(38) top, the increase and decrease yarn mechanism (6) include four solid yarn device (41) and a swingles (40), and described four solid
Uniformly distribution is arranged around electric machine main shaft (39) yarn device (41), and the swingle (40) and electric machine main shaft (39) are even
It connects, the middle part for taking yarn device main body (38), is the fan-shaped opening cavity for having certain altitude there are four cross section, it is described
Four Ge Zai yarn mechanisms (7) are respectively fixed in the bottom surface (19) of cavity, the Zai Sha mechanism (7) includes unidirectional self-lock mechanism
(20), tube (22) and tension control mechanism.
3. it is according to claim 2 automatically increase or decrease yarn take yarn device, which is characterized in that the knot of the solid yarn device (41)
Structure includes being fixed on the solid yarn ring taking the solid yarn device bracket (9) on yarn device main body (38) top and being mounted on solid yarn device bracket (9)
(12), the solid yarn device bracket (9) includes the vertical support (9-2) being arranged in a mutually vertical manner and lateral struts (9-1), wherein
The vertical support (9-2), which is perpendicularly fixed at, takes yarn device main body (38) top, lateral struts one end (9-1) and vertical
Pillar (9-2) connection, the other end are fixedly connected with a yarn guiding ring (9-3), are provided with below the yarn guiding ring (9-3) solid
Yarn ring (12), the solid yarn ring (12) are fixed together by linking arm (12-3) with vertical support (9-2), the solid yarn
Ring (12) includes the lock yarn end (12-2) that can be snapped together and pressure yarn end (12-1).
4. it is according to claim 3 automatically increase or decrease yarn take yarn device, which is characterized in that the pressure yarn end (12-1) with
Jacking block (10-1) contact setting, described jacking block one end are contacted with pressure yarn end (12-1), and the other end is fixed on compact heap (10),
It is inclined-plane that the compact heap (10), which has a face, and the inclined-plane and the stationary plane of jacking block (10-1) are oppositely arranged, in compact heap
There are two L-type support arms for the two sides setting of (10-1), and the long end (9-4) of the L-type support arm and vertical column (9-2) are fixed, L-type
It is provided with spring (13) between the galianconism (9-5) and compact heap (10) of support arm, the distance between the two described L-type support arms should be big
In the width of jacking block (10-1), and it is less than the width of compact heap (10), is provided with down above the inclined-plane of the compact heap (10)
It presses movable block (11), the pushing movable block (11) passes through lateral struts (9-1), and can move up and down.
5. it is according to claim 2 automatically increase or decrease yarn take yarn device, which is characterized in that the swingle (40) includes
The annulus (14) and connecting rod (15) to link together, the annulus (14) are sleeved on electric machine main shaft (39), can be with
The rotation of electric machine main shaft (39) and rotate, the central axis of the connecting rod (15) and annulus；The connecting rod (15)
End be fixedly connected and be fixed with a fixed block (16), and it is vertically arranged with connecting rod (15), pushes away yarn handgrip (17) and passes through
Bolt is mounted on the lower section of fixed block (16), parallel with connecting rod (15)；The end of the connecting rod (15) is fixedly connected with
One cutoff tool (18), the working face of the cutoff tool (18) are opposite with the working face direction for pushing away yarn handgrip (17).
6. it is according to claim 2 automatically increase or decrease yarn take yarn device, which is characterized in that the unidirectional self-lock mechanism
(20) it is fixed on bottom surface (19), is bolted to connection between the two, yarn shaft (25) is mounted on bottom surface (19), described
The upper and lower of tube (22) be respectively arranged with tube lower stopper (21) and tube upper stopper (32), tube lower stopper (21) and tube
Upper stopper (32) is respectively welded at tube upper and lower ends, and tube lower stopper (21) is kept in contact with unidirectional self-lock mechanism (20), institute
The rear for the tube (22) stated is provided with curved support plate (23), and the tube (22) is through on yarn shaft (25), described
Tube (22) is located on unidirectional self-lock mechanism (20).
7. it is according to claim 2 automatically increase or decrease yarn take yarn device, which is characterized in that curved support plate (23) is welded on
On bottom surface (19), the curved support plate (23) is connect with tension control mechanism, and the tension control mechanism includes connection
Support frame (33) and two crossbeams (29) disposed in parallel on curved support plate (23), the one of two crossbeams (29)
End is separately fixed on the curved support plate (23) on support frame (33) both sides.
8. it is according to claim 7 automatically increase or decrease yarn take yarn device, which is characterized in that two crossbeams (29)
There are two spring (28) for the installation of the other end straight down, are vertically installed with axis on crossbeam in the middle part of two crossbeams (29)
(30), the both ends of axis (30) are each passed through two crossbeams (29) on the crossbeam, and the both ends after stretching out crossbeam are connected with two
A support column (27), the support column (27) is vertical with axis on crossbeam (30), and axis (30) can in crossbeam on the crossbeam
With rotation；Pulley B (31) are provided in the middle part of axis (30) on the crossbeam, using the connection type of gluing；Described two
The end of support column (27) is connected with crossbeam lower axle (24), is provided with pulley A (26), institute in the middle part of the crossbeam lower axle (24)
Spring (28) one end stated is connect with crossbeam (29), and the other end is connected on crossbeam lower axle (24), and two springs are located at cunning
The two sides of A (26) are taken turns close to the position of support column (27), using the connection type of gluing；Have on the support frame (33) logical
Hole, and the position of the through-hole is located at the top of yarn shaft (25).
9. one kind can automatically increase or decrease the three dimensional knitting machine of yarn, used as any one of claim 1~8 record can be automatic
Increase and decrease yarn take yarn device, which is characterized in that including weaving frames (3) and be arranged on weaving frames (3) deflect from motor (1), in advance
Molding collet (2), chassis (5) and it is multiple take yarn device (4), the chassis (5) are located at the lower part of weaving frames (3), described
Multiple to take yarn device (4) arrangement and be mounted on chassis (5), the preforming collet (2), which is located at, takes the surfaces of yarn device (4), leads to
It crosses connecting rod to be fixed on weaving frames (3), be controlled from the yarn drawn in yarn device (4) is taken by preforming collet (2),
It is equipped in weaving frames (3) and deflects from motor (1), for controlling preforming collet (2).
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| CN201710285602.XA CN106948079B (en) | 2017-04-27 | 2017-04-27 | A kind of three dimensional knitting machine for taking yarn device and its application automatically increasing or decreasing yarn |
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| CN201710285602.XA CN106948079B (en) | 2017-04-27 | 2017-04-27 | A kind of three dimensional knitting machine for taking yarn device and its application automatically increasing or decreasing yarn |
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| CN106948079B true CN106948079B (en) | 2019-04-19 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102017219716A1 (en) | 2017-11-07 | 2019-05-09 | Bayerische Motoren Werke Aktiengesellschaft | Process for producing a braided preform, braiding preform, fiber reinforced component and braiding machine |
| CN110396763B (en) * | 2019-07-10 | 2020-09-18 | 浙江理工大学 | Yarn increasing and decreasing method applied to three-dimensional annular four-step method weaving |
| CN112663223B (en) * | 2020-12-15 | 2023-05-16 | 西安工程大学 | Yarn carrier of longitudinal-transverse three-dimensional braiding machine |
| CN113337958B (en) * | 2021-05-26 | 2021-12-21 | 南京航空航天大学 | Automatic yarn increasing and decreasing carrier for three-dimensional knitting of large yarn storage and use method thereof |
| CN115538029B (en) * | 2022-10-14 | 2024-05-03 | 西安工程大学 | Active yarn carrier capable of automatically increasing and decreasing yarns for multiple yarns |
| CN115976713B (en) * | 2023-03-22 | 2023-12-29 | 广东宝维新材料科技有限公司 | Warp let-off tension adjusting device based on carbon fiber loom |
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| US5392683A (en) * | 1992-09-29 | 1995-02-28 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Method and apparatus for three dimensional braiding |
| JP2002275746A (en) * | 2001-03-16 | 2002-09-25 | Murata Mach Ltd | Manufacturing apparatus for three dimensional constructional body |
| CN204676258U (en) * | 2015-01-20 | 2015-09-30 | 西安工程大学 | A kind of controlled increase and decrease yarn for three dimensional knitting machine take yarn device |
| CN204644598U (en) * | 2015-05-11 | 2015-09-16 | 阚玉华 | 3 D weaving takes yarn device |
| CN205171108U (en) * | 2015-12-04 | 2016-04-20 | 阚玉华 | Multiplicable rotational method three -dimensional braiding platform of taking yarn quantity |
| CN105401330B (en) * | 2015-12-04 | 2017-03-08 | 阚玉华 | Take outward the circumgyration 3 D weaving platform that yarn disk participates in braiding |
| CN106222876B (en) * | 2016-09-18 | 2017-12-12 | 西北工业大学 | A kind of ring ball takes yarn device and the three dimensional knitting machine of yarn device is taken using this |
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