CN107435187B - Equal static pressure linkage D refraction statics braider - Google Patents
Equal static pressure linkage D refraction statics braider Download PDFInfo
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- CN107435187B CN107435187B CN201710609761.0A CN201710609761A CN107435187B CN 107435187 B CN107435187 B CN 107435187B CN 201710609761 A CN201710609761 A CN 201710609761A CN 107435187 B CN107435187 B CN 107435187B
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- cam
- revolving platform
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H18/00—Needling machines
- D04H18/02—Needling machines with needles
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- Textile Engineering (AREA)
- Knitting Machines (AREA)
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Abstract
The present invention relates to needing machine technical field, especially a kind of equal static pressure linkage D refraction statics braider carries out needle to knitting for needle tartar and pierces molding procedure, it includes: pricker reciprocator which, which pierces braider, for driving needle tartar to make straight reciprocating motion；Revolving platform, for fixing knitting；Cam, cam is annular in shape, the uniform wall thickness between cam outer ring wall and inner ring wall, the second reducer become larger on cam with gradually smaller first reducer of diameter, diameter and isometrical section；Main shaft, cam and Zhen Ci reciprocator connect with spindle drive simultaneously；And linkage mechanism, with the variation guidance linkage mechanism driving revolving platform rotation of its circumferential profile when cam rotates, cleverly revolving platform and needle tartar are linked by pure mechanic structure, without complicated control equipment investment, it can realize automatically when needle tartar is pierced into certain frequency and is exited knitting, revolving platform is to realize revolution and static movement with needle tartar's punch frequency identical frequency.
Description
Technical field
The present invention relates to staple fiber needing machine field shaping technique, especially a kind of equal static pressure linkage D refraction statics braiding
Machine.
Background technique
At present both at home and abroad for special-shaped short carbon fiber product, main to use there are two types of pointing needle thorn, one kind is ejection method needle
Thorn braiding, another kind are that fixed pin position method needle pierces.
The thorn braiding of ejection method needle: specifically, special-shaped knitting being fixed on revolving platform, and driving revolving platform turns
It is dynamic, realize carbon fiber product rotary motion, launched by gun, which is mounted on, needle is ejected from launched by gun in the racks of 90 ° of rotations
Tartar stabs and is pierced into carbon fiber product, after special-shaped carbon fiber product completes needle thorn, removes product, thorn is had pricker later
Dial-out of the rubber with manipulator one by one, the benefit of this ejection needle point method are not need adjustment catapulting distance substantially, can be made
At more specification products, pin hole is also more regular, but disadvantage is that, only one direction of acupuncture course, without reversed
Needle thorn weaken needling shape at binding force, in addition needle thorn choose it is time-consuming and laborious；
Fixed pin position method needle thorn, specifically, special-shaped knitting cocked is fixed on revolving platform by it, drives revolving platform
Rotation, special-shaped knitting rotates together with revolving platform, and needle tartar is mounted on can be on the swiveling heads of 90 ° of revolutions, this swiveling head
Be in turn mounted at can be horizontal and the crossbeam that moves up and down on, by adjusting the position of crossbeam, make needle tartar and special-shaped knitting away from
From in the impulse stroke that needle pierces, the needling direction of needle tartar is then adjusted, carries out needle thorn, pricker is pierced into and extracts abnormity braiding
When product, knitting is still being turned round, and leading to the hole shape that needle pierces in knitting is that the kidney slot of 2-3 times of aciculiform (is returned according to revolving platform
Rotary speed is different, and the size of waist-shaped hole is variant).The advantages of this needle point method, is, in pricker piercing and withdrawal process, from just
Anti- both direction needle pierces special-shaped knitting, although enhancing the binding force of needle thorn, unfortunately pinprick be not aciculiform hole but
The kidney slot of 2-3 times of aciculiform, the formation of the kidney slot of this 2-3 times of aciculiform, this big pin hole increase late-enhancement processing
Difficulty also reduces the integral strength of carbon fibre fabric.
For with this, the present invention is directed to existing needing machine is improved and solved the above problems.
Summary of the invention
The technical problem to be solved by the present invention is the needle that the needing machine needle for solving fixed pin position method in the prior art pierces out
The problem of acanthopore is waist-shaped hole, or the braiding of ejection method needle thorn can only unidirectional needle pierce out circular hole and pricker is chosen time-consuming and laborious ask
Topic, now provides a kind of equal static pressure linkage D refraction statics braider, which realizes needle thorn by needle tartar linkage revolving platform
When head movement, revolving platform steps in synchronization revolution, and during needle tartar is pierced into and exits knitting, workbench is static not
It is dynamic；The needing machine is applicable to the needle thorn molding of special-shaped and cylindrical or rectangular etc. staple products and short carbon fiber product.
The technical solution adopted by the present invention to solve the technical problems is: a kind of equal static pressure linkage D refraction statics braider,
Needle is carried out to knitting for needle tartar and pierces molding procedure, needle thorn braider includes:
Pricker reciprocator, for driving needle tartar to make straight reciprocating motion；
Revolving platform, for fixing knitting；
Cam, the cam is annular in shape, the uniform wall thickness between cam outer ring wall and inner ring wall, on cam have diameter by
The second reducer that the first small reducer of gradual change, diameter become larger and isometrical section, the first reducer, the second reducer and are waited
Diameter section is successively end to end；
Main shaft, the cam and Zhen Ci reciprocator connect with spindle drive simultaneously, and main axis is arranged in spindle box；
And linkage mechanism, revolving platform is driven with the variation guidance linkage mechanism of its circumferential profile when the cam rotates
Rotation realizes that when cam turns to the first reducer and linkage mechanism is driven, revolving platform rotation, needle tartar is gradually distance from back
Turn the knitting on platform；When cam, which turns to the second reducer and linkage mechanism, to be driven, revolving platform is static, needle tartar by
Gradually draw close the knitting on revolving platform；When cam, which turns to isometrical section, to be driven with linkage mechanism, revolving platform is static, needle thorn
Head is successively pierced into and exits the knitting on revolving platform.
Cam and pricker reciprocator are driven through main shaft using the same power source simultaneously in this programme, cam is circumferentially taken turns with it
Wide variation guidance linkage mechanism driving revolving platform rotation, when being driven with linkage mechanism for isometrical section of cam, needle tartar is same
When by pricker reciprocator drive to be located at knitting in, revolving platform is static at this time；The first reducer and linkage in cam
When mechanism driving, needle tartar is driven by pricker reciprocator to knitting is detached from simultaneously, and linkage mechanism drives revolving platform at this time
Knitting thereon is turned to and moves down a needling station by rotation.
Further, the linkage mechanism includes drive rod, oil cylinder, oil motor and freewheel clutch, the drive rod edge
Rectilinear direction is slidably connected with spindle box, and one end of the drive rod is connect with cam drive, the other end and oil cylinder of drive rod
Piston rod be fixedly connected, between oil cylinder and oil motor pass through oil pipe constitute circuit, the output end and freewheel clutch of oil motor
Input terminal transmission connection, the output end of freewheel clutch and revolving platform are sequentially connected, rotate in this programme using in cam
When, the variation of diameter will drive drive rod and linearly slide, and then utilize the piston of the sliding drive cylinder of drive rod
Oil push-in oil motor in oil cylinder is realized the rotation of oil motor with this by bar, and the power of oil motor is transmitted through freewheel clutch
To revolving platform, and revolving platform is driven to rotate, detailed process is as follows:
It is convex since the diameter of the first reducer gradually becomes smaller when the transmission of the first reducer of drive rod and cam
Wheel can be to pull drive rod towards the direction at its center, and drive rod pulls the piston rod of oil cylinder whereby, and the oil in oil cylinder is pushed into
Oil motor, to realize the rotating forward of oil motor, freewheel clutch does not work, and the power of oil motor is transferred to back through freewheel clutch
Turn platform, and revolving platform is driven to rotate；
It is convex since the diameter of the second reducer becomes larger when the transmission of the second reducer of drive rod and cam
Wheel can push drive rod with the direction far from its center, and drive rod pushes the piston rod of oil cylinder whereby, and the piston rod of oil cylinder resets,
The oily opposite direction in oil cylinder is pushed into oil motor simultaneously, to realize the reversion of oil motor, freewheel clutch works at this time, oily horse
The power reached is disconnected through freewheel clutch, and the power transmitting between oil motor and revolving platform has been isolated, and revolving platform is static；
When isometrical section of transmission of drive rod and cam, since isometrical section of diameter is constant, cam will not be to transmission
Bar generates active force, it is clear that at this point, oil motor loses the driving of oil cylinder, revolving platform is also static therewith.
Further, one end that the drive rod is connect with cam is fixed with collet, and the collet includes inner supporting rod and outer
Strut, the collet are plugged on cam, and the inner ring wall of the inner supporting rod and cam is slidably connected, the outer strut and cam
Collar wall is slidably connected, since drive rod is bound in can only slide along its axis direction, when cam rotates, collet with
Cam wheel footpath variation driving drive rod moved along its axis direction.
In order to improve the resistance being driven between collet and cam, further, rotated on the inner supporting rod and outer strut
It is connected with idler wheel, the outer peripheral surface of the inner supporting rod upper roller is contacted with the inner ring wall of cam, the periphery of the outer strut upper roller
Face is contacted with the collar wall of cam, and idler wheel can greatly reduce the frictional force between collet and cam, so that cam and transmission
Transmission between bar is more flexible, smooth.
Further, it being provided with pedestal below the revolving platform, the revolving platform is rotatably arranged on the pedestal,
Retarder is provided on the pedestal, the output end of the freewheel clutch and the input terminal of retarder are sequentially connected, described to subtract
The output end and revolving platform of fast device are sequentially connected.
Preferably, the retarder includes worm gear and worm screw, and the worm gear and worm screw turn setting on the base, the snail
Wheel is engaged with worm screw, and the output end transmission connection of the worm screw and freewheel clutch, the worm gear and revolving platform are sequentially connected.
Further, the oil outlet of the oil cylinder is connected to by the first oil pipe with the oil inlet of oil motor, the oil motor
Oil outlet be connected to the oil inlet of oil cylinder by the second oil pipe, be communicated with pipeline on second oil pipe, the pipeline with infuse
Lubricating cup is connected to, and is in series with check valve on pipeline, and the oil in priming cup is the timely repairing of oil cylinder by check valve；
The design is analyzed as follows: when drive rod pulls piston rod along the direction for drawing close cam, in the rod chamber of oil cylinder
Oil flows into oil motor from the second oil pipe, and the rodless cavity of oil cylinder is back to from the first oil pipe, and oil motor rotates forward during this, this
It is the second reducer of cam that process is corresponding, and purpose of this design is the linear motion rotation by drive rod to be used to drive
The power of revolving platform rotation；Conversely, when drive rod pushes piston rod along the direction far from cam, in the rodless cavity of oil cylinder
Oil flows into oil motor from the first oil pipe, and the rod chamber of oil cylinder is back to from the second oil pipe, and oil motor reversion turns during this, this
It is the second reducer of cam that one process is corresponding, and the purpose of this section of design is so that the piston rod of oil cylinder resets, under this
One period pulled piston rod again.
Further, the pricker reciprocator includes crank, connecting rod and needle thorn stick, and the crank is rotatably arranged on main shaft
In case, the main shaft is fixedly connected with crank, and axis of rotation of the crank in spindle box is overlapped with the axis of main shaft, described
One overhung crank of connecting rod is rotatablely connected, and the other end and needle thorn stick are rotatablely connected, and the needle thorn stick is linearly slided with spindle box
Dynamic connection, the needle thorn stick extend to outside spindle box, and one end that needle thorn stick is located at outside spindle box is fixedly connected with needle tartar, main shaft
Crank rotation is driven when rotation, crank is moved back and forth by connecting rod band needle thorn stick, to realize the piercing of needle tartar, exit.
It is pierced for the ease of any angle needle to knitting on revolving platform, further, the needle thorn braider further includes
Column and crossbeam, the crossbeam are slidably arranged on column along Z-direction, and sliding is provided with support along the x axis on the crossbeam
Plate, the spindle box are rotatably arranged on supporting plate, are fixed with driving motor on the supporting plate, the output end of the driving motor with
Spindle box transmission connection, the revolving platform are located at the side of column, and the axis of rotation of the revolving platform is parallel with Z axis, institute
It states that axis of rotation of the spindle box on supporting plate is parallel with Y-axis, the needle thorn of unspecified angle any position is realized with this.
Further, main motor is fixed on the spindle box, the output end of the main motor is connect with spindle drive.
The beneficial effects of the present invention are: equal static pressure linkage D refraction statics braider of the invention cleverly by revolving platform with
Needle tartar is linked by pure mechanic structure, without complicated control equipment investment, can be realized automatically and is pierced into and move back in needle tartar
Out when knitting, revolving platform is static, and effectively improves service life, enhances pinprick post-processing in knitting
Binding force.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the schematic diagram of the static pressure such as present invention linkage D refraction statics braider；
Fig. 2 is the partial enlargement diagram of F in Fig. 1；
Fig. 3 is the schematic top plan view of the static pressure such as present invention linkage D refraction statics braider；
Fig. 4 is spindle box inner body schematic diagram in the static pressure such as present invention linkage D refraction statics braider；
Fig. 5 is cam schematic diagram in the static pressure such as present invention linkage D refraction statics braider；
Fig. 6 is the period of motion curve synoptic diagram that collet moves piston in the corresponding oil cylinder of a circle on cam in the present invention；
Fig. 7 is the circular motion track of the hinge joint A of crank and connecting rod in the present invention；
Fig. 8 is the curve movement schematic diagram that corresponding needle tartar is enclosed in hinge joint A movement one in the present invention.
In figure: 1, revolving platform, 2, cam, 2-1, the first reducer, 2-2, the second reducer, 2-3, isometrical section, 3, volume
Fabric, 4, main shaft, 5, spindle box, 6, needle tartar, 7, flywheel, 8, drive rod, 9, oil cylinder, 9-1, piston rod, 9-2, piston, 10,
Oil motor, 11, freewheel clutch, 12, collet, 12-1, inner supporting rod, 12-2, outer strut, 13, idler wheel, 14, pedestal, 15, worm gear,
16, worm screw, the 17, first oil pipe, the 18, second oil pipe, 19, pipeline, 20, check valve, 21, priming cup, 22, crank, 23, connecting rod,
24, needle thorn stick, 25, column, 26, crossbeam, 27, supporting plate, 28, driving motor, 29, main motor, 30, feeding motor, 31, screw rod,
32, Z axis guide rail, 33, X-axis guide rail, 34, nut.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention, direction and referring to (for example,
Upper and lower, left and right, etc.) can be only used for helping the description to the feature in attached drawing.Therefore, it is not adopted in restrictive sense
With following specific embodiments, and claimed theme is only limited by appended claims and its equivalent form
Range.
Embodiment 1
As shown in figures 1-8, a kind of equal static pressure linkage D refraction statics braider, carries out needle thorn to knitting 3 for needle tartar 6
Molding procedure, needle thorn braider include:
Pricker reciprocator, for driving needle tartar 6 to make straight reciprocating motion；
Revolving platform 1, for fixing knitting 3；
Cam 2, cam 2 are annular in shape, the uniform wall thickness between 2 outer ring wall of cam and inner ring wall, have on cam 2 diameter by
The the second reducer 2-2 and isometrical section of 2-3 that the first small reducer 2-1 of gradual change, diameter become larger, the first reducer 2-1,
Two reducer 2-2 and isometrical section of 2-3 are successively end to end；
Main shaft 4, cam 2 and Zhen Ci reciprocator are sequentially connected with main shaft 4 simultaneously, are fixed with flywheel 7, cam 2 on main shaft 4
It is fixed on flywheel 7, main shaft 4 is rotatably arranged in spindle box 5, and 7 one side of cam plays the role of damping, on the other hand can be
Energy storage in 4 rotary course of main shaft, avoids Zhen Ci reciprocator stuck, moreover it is possible to convenient for the installation of cam 2；
And linkage mechanism, 1 turn of revolving platform is driven when cam 2 rotates with the variation guidance linkage mechanism of its circumferential profile
It is dynamic, realize that, when cam 2 turns to the first reducer 2-1 and linkage mechanism is driven, revolving platform 1 rotates, needle tartar 6 is gradually remote
From the knitting 3 on revolving platform 1；When cam 2 turns to the second reducer 2-2 and linkage mechanism is driven, revolving platform 1 is quiet
Only, needle tartar 6 gradually draws close the knitting 3 on revolving platform 1；When cam 2 turns to isometrical section of 2-3 and linkage mechanism transmission
When, revolving platform 1 is static, and needle tartar 6 is successively pierced into and exits the knitting 3 on revolving platform 1.
Linkage mechanism includes drive rod 8, oil cylinder 9, oil motor 10 and freewheel clutch 11, drive rod 8 linearly with
Spindle box 5 is slidably connected, and one end of drive rod 8 and cam 2 are sequentially connected, the other end of drive rod 8 and the piston rod 9- of oil cylinder 9
1 is fixedly connected, and constitutes circuit, the output end and freewheel clutch 11 of oil motor 10 by oil pipe between oil cylinder 9 and oil motor 10
Input terminal transmission connection, the output end of freewheel clutch 11 and revolving platform 1 be sequentially connected, which utilizes at 2 turns of cam
When dynamic, the variation of diameter will drive drive rod 8 and linearly slide, and then utilize the sliding drive cylinder 9 of drive rod 8
Oil push-in oil motor 10 in oil cylinder 9 is realized the rotation of oil motor 10, the power warp of oil motor 10 with this by piston rod 9-1
Freewheel clutch 11 is transferred to revolving platform 1, and revolving platform 1 is driven to rotate.
One end that drive rod 8 is connect with cam 2 is fixed with collet 12, and collet 12 includes inner supporting rod 12-1 and outer strut 12-
2, collet 12 is plugged on cam 2, and inner supporting rod 12-1 and the inner ring wall of cam 2 are slidably connected, and outer strut 12-2 is outer with cam 2
Circle wall is slidably connected, and is in that can only slide along its axis direction since drive rod 8 is bound, when cam 2 rotates, collet 12
As the variation driving drive rod 8 of 2 wheel footpath of cam is moved along its axis direction.
Idler wheel 13, the outer peripheral surface of inner supporting rod 12-1 upper roller 13 are rotatably connected on inner supporting rod 12-1 and outer strut 12-2
It is contacted with the inner ring wall of cam 2, the outer peripheral surface of outer strut 12-2 upper roller 13 is contacted with the collar wall of cam 2, and idler wheel 13 can pole
The frictional force between collet 12 and cam 2 is reduced greatly, so that the transmission between cam 2 and drive rod 8 is more flexible, stream
Freely.
Pedestal 14 is provided with below revolving platform 1, revolving platform 1 is rotatably arranged on pedestal 14, is provided on pedestal 14
Retarder, the output end of freewheel clutch 11 and the input terminal of retarder are sequentially connected, the output end and revolving platform 1 of retarder
Transmission connection.
Retarder includes worm gear 15 and worm screw 16, and worm gear 15 and worm screw 16 turn to be arranged on pedestal 14, worm gear 15 and snail
Bar 16 engages, and the output end of worm screw 16 and freewheel clutch 11 is sequentially connected, and worm gear 15 and revolving platform 1 are sequentially connected.
The oil outlet of oil cylinder 9 is connected to by the first oil pipe 17 with the oil inlet of oil motor 10, and the oil outlet of oil motor 10 is logical
It crosses the second oil pipe 18 to be connected to the oil inlet of oil cylinder 9, pipeline 19 is communicated on the second oil pipe 18, pipeline 19 and priming cup 21 connect
It is logical, check valve 20 is in series on pipeline 19, when oily pressure is greater than pressure oily in priming cup 21 in the second oil pipe 18, unidirectionally
Valve 20 is closed；When oily pressure is less than pressure oily in priming cup 21 in the second oil pipe 18, check valve 20 is opened, priming cup 21
To 18 fuel feeding of the second oil pipe, to supplement the oil in 10 system of entire oil cylinder 9 and oil motor, wherein oil cylinder 9 includes cylinder body and sliding
Fixed piston rod 9-1 is set on the intracorporal piston 9-2 of cylinder, piston 9-2.
Pricker reciprocator includes crank 22, connecting rod 23 and needle thorn stick 24, and crank 22 is rotatably arranged in spindle box 5, main
Axis 4 is fixedly connected with crank 22, and axis of rotation of the crank 22 in spindle box 5 is overlapped with the axis of main shaft 4, one end of connecting rod 23
Crank 22 is rotatablely connected, and the other end and needle thorn stick 24 are rotatablely connected, and needle thorn stick 24 is linearly slidably connected with spindle box 5,
Needle thorn stick 24 extends to outside spindle box 5, and one end that needle thorn stick 24 is located at outside spindle box 5 is fixedly connected with needle tartar 6, and 4 turns of main shaft
Drive crank 22 to rotate when dynamic, crank 22 is moved back and forth by connecting rod 23 with needle thorn stick 24, thus realize the piercing of needle tartar 6,
It exits；
It further includes column 25 and crossbeam 26 that needle, which pierces braider, and crossbeam 26 is slidably arranged on column 25 along Z-direction, crossbeam
Sliding is provided with supporting plate 27 along the x axis on 26, and spindle box 5 is rotatably arranged on supporting plate 27, and driving electricity is fixed on supporting plate 27
Machine 28, the output end and spindle box 5 of driving motor 28 are sequentially connected, and revolving platform 1 is located at the side of column 25, revolving platform 1
Axis of rotation it is parallel with Z axis, axis of rotation of the spindle box 5 on supporting plate 27 is parallel with Y-axis, and stepping can be used in driving motor 28
Motor can also be used servo motor and drive spindle box 5, settable Z axis feeding on column 25 after the deceleration of Worm Wheel System pair
Mechanism drives crossbeam 26 to feed along Z-direction；Settable X-axis feed mechanism on crossbeam 26, drive supporting plate 27 along the x axis into
It gives；
Z axis feed mechanism and X-axis feed mechanism include feeding motor 30 and screw rod 31；
The screw rod 31 of Z axis feed mechanism is rotatably arranged on column 25, and the Z axis guide rail 32 on crossbeam 26 and column 25 is slided
Connection, crossbeam 26 are sequentially connected by the screw rod 31 on nut 34 and column 25, the axis and Z axis guide rail of 25 upper screw rod 31 of column
32 is parallel, and the screw rod 31 on the feeding motor 30 and column 25 of Z axis feed mechanism is sequentially connected；
The screw rod 31 of X-axis feed mechanism is rotatably arranged on crossbeam 26, and the X-axis guide rail 33 on supporting plate 27 and crossbeam 26 is slided
Connection, supporting plate 27 are sequentially connected by the screw rod 31 on nut 34 and crossbeam 26, the axis and X-axis guide rail of 26 upper screw rod 31 of crossbeam
33 is parallel, and the feeding motor 30 of X-axis feed mechanism and the screw rod 31 on crossbeam (26) are sequentially connected；
Using above-mentioned setting, drives needle tartar 6 to move along Z-direction by Z axis feed mechanism, driven by X-axis feed mechanism
Needle tartar 6 moves along the x axis, is easy to implement needle tartar 6 and carries out needle thorn to any position of knitting 3 on revolving platform 1；It drives
Dynamic motor 28 drives spindle box 5 to rotate, and changes angle of the needle tartar 6 with respect to revolving platform 1 with this, to realize that needle tartar 6 is right
The angle of needle insertion adjustment of knitting 3 on revolving platform 1.
Main motor 29 is fixed on spindle box 5, the output end and main shaft 4 of main motor 29 are sequentially connected, and main motor 29 is optional
Use variable frequency reducer motor.
The principle Analysis of above-mentioned equal static pressure linkage D refraction statics braider is as follows:
1) when, as seen in figs. 5-6, main shaft 4 drives cam 2 to rotate, cam 2 passes through linkage mechanism linkage revolving platform 1
Running state analysis
There are four points for tool in the collar wall of cam 2, and respectively b point, c point, d point and e point, the first reducer 2-1 is located at convex
The b point of wheel 2 is between c point, and the second reducer 2-2 is located at the c point of cam 2 between d point, and isometrical section of 2-3 is located at the d of cam 2
Point is between b point；
B-c point section: when the collet 12 of drive rod 8 is located at b point-c point section (the first reducer 2- of 2 collar wall of cam
1) when, since the diameter of the first reducer 2-1 gradually becomes smaller, cam 2 can be to pull drive rod towards the direction at its center
8, drive rod 8 pulls the piston rod 9-1 of oil cylinder 9 whereby, by the oil push-in oil motor 10 in oil cylinder 9, to realize oil motor 10
Rotating forward, freewheel clutch 11 do not work, and the power of oil motor 10 is transferred to revolving platform 1 through freewheel clutch 11, and drives
Revolving platform 1 rotates；
C-d point section: when the collet 12 of drive rod 8 is located at c point-d point section (the second reducer 2- of 2 collar wall of cam
2) when, since the diameter of the second reducer 2-2 becomes larger, cam 2 can push drive rod with the direction far from its center
8, drive rod 8 pushes the piston rod 9-1 of oil cylinder 9 whereby, and the piston rod 9-1 of oil cylinder 9 resets, while by the oily negative side in oil cylinder 9
To push-in oil motor 10, to realize the reversion of oil motor 10, freewheel clutch 11 works at this time, and the power of oil motor 10 is through super
More clutch 11 disconnects, and the power transmitting between oil motor 10 and revolving platform 1 has been isolated, and revolving platform 1 is static；
D-e point section: when the collet 12 of drive rod 8 is located at the point point section-e d of 2 collar wall of cam, it is in isometrical section
The first half of 2-3, since the diameter of isometrical section of 2-3 is constant, cam 2 will not generate active force to drive rod 8, it is clear that
At this point, oil motor 10 loses the driving of oil cylinder 9, revolving platform 1 is also static therewith.
E-b point section: when the collet 12 of drive rod 8 is located at the point point section-b e of 2 collar wall of cam, it is in isometrical section
The latter half of 2-3, since the diameter of isometrical section of 2-3 is constant, cam 2 will not generate active force to drive rod 8, it is clear that
At this point, oil motor 10 loses the driving of oil cylinder 9, revolving platform 1 is also static therewith.
2) when, as Figure 7-8, main shaft 4 drives crank 22 to rotate, the motion trail analysis of needle tartar 6
The hinge joint A of crank 22 and connecting rod 23 forms circular motion track with the rotation of main shaft 4, and circular motion has on track
Four points, respectively B point, C point, D point and E point；
B-C point section: when the hinge joint A of crank 22 and connecting rod 23 moves in circular motion track B point to the section of C point
When, it is to retract that corresponding pricker reciprocator, which drives the movement of needle tartar 6, i.e., the knitting 3 on needle tartar 6 and revolving platform 1 is de-
From, and it is gradually distance from knitting 3；
C-D point section: when the hinge joint A of crank 22 and connecting rod 23 moves in circular motion track C point to the section of D point
When, it is downlink that corresponding pricker reciprocator, which drives the movement of needle tartar 6, i.e., the knitting 3 on needle tartar 6 and revolving platform 1 is de-
From, and gradually drawn close to knitting 3；
D-E point section: when the hinge joint A of crank 22 and connecting rod 23 moves in circular motion track D point to the section of E point
When, it is to be pierced into that corresponding pricker reciprocator, which drives the movement of needle tartar 6, i.e., needle tartar 6 is pierced into the knitting 3 on revolving platform 1
In, and continue to advance to 3 direction of knitting；
E-B point section: when the hinge joint A of crank 22 and connecting rod 23 moves in circular motion track E point to the section of B point
When, it is to exit that corresponding pricker reciprocator, which drives the movement of needle tartar 6, i.e., needle tartar 6 is located at turn around the knitting 3 on platform 1
In, and recessed along far from 3 direction of knitting.
Four strokes (retract, downlink, be pierced into, retract) of above-mentioned needle tartar 6 constitute the period of motion of needle tartar 6,
That is 6 motion state of needle tartar corresponding to 360 ° of the rotation of main shaft 4.
In the state that main shaft 4 is moved with moving cam 2 and crank 22 simultaneously:
When collet 12 is located at the point point section-c b of cam 2, the hinge joint A of corresponding crank 22 and connecting rod 23 is located at circumference fortune
B point-C point in dynamic rail mark realizes that the movement of needle tartar 6 is to retract, and revolving platform 1 rotates at this time, drives knitting 3 to go to next
A needling station；
When collet 12 is located at the point point section-d c of cam 2, the hinge joint A of corresponding crank 22 and connecting rod 23 is located at circumference fortune
C point-D point in dynamic rail mark realizes that the movement of needle tartar 6 is downlink, and revolving platform 1 is static at this time；
When collet 12 is located at the point point section-e d of cam 2, the hinge joint A of corresponding crank 22 and connecting rod 23 is located at circumference fortune
D point-E point in dynamic rail mark realizes that the movement of needle tartar 6 is to be pierced into, and revolving platform 1 is static at this time；
When collet 12 is located at the point point section-b e of cam 2, the hinge joint A of corresponding crank 22 and connecting rod 23 is located at circumference fortune
E point-B point in dynamic rail mark realizes that the movement of needle tartar 6 is to exit, and revolving platform 1 is static at this time.
Knitting 3 in the present invention can be carbon fiber product, and carbon fiber product is mounted on motorless revolving platform 1,
It by the linkage between needle tartar 6 and revolving platform 1, realizes that revolving platform 1 turns round, work is pierced with the needle that this switches carbon fiber product
Position, when needle tartar 6 is pierced into and exits carbon fiber product, revolving platform 1 is stationary, it is ensured that needle tartar 6 is in carbon fiber product
The hole that upper needle pierces out is circular hole, to reduce the difficulty that carbon fiber product late-enhancement is handled, also improves carbon fibre fabric
Integral strength.
Above-mentioned needle thorn braider is cleverly linked revolving platform 1 and needle tartar 6 by pure mechanic structure, without complexity
Control equipment investment can be realized automatically to be for example pierced into and is moved back with 5-30 beats/min of frequency with certain frequency in needle tartar 6
Out when knitting, revolving platform 1 with 5-30 beats/min of frequency identical with 6 punch frequency of needle tartar realize revolution with it is static
Movement.
Above-mentioned desirable embodiment according to the present invention is enlightenment, and through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention'.This invention it is technical
Range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (9)
- Knitting (3) are carried out needle for needle tartar (6) and pierce molding procedure by the D refraction statics braider 1. a kind of equal static pressure link, It is characterized by: needle thorn braider includes:Pricker reciprocator, for driving needle tartar (6) to make straight reciprocating motion；Revolving platform (1), for fixing knitting (3)；Cam (2), annularly, the uniform wall thickness between cam (2) outer ring wall and inner ring wall, cam has the cam (2) on (2) The second reducer (2-2) for thering is gradually smaller first reducer (2-1) of diameter, diameter to become larger and isometrical section (2-3), One reducer (2-1), the second reducer (2-2) and isometrical section (2-3) are successively end to end；Main shaft (4), the cam (2) and Zhen Ci reciprocator are rotatably arranged on main shaft (4) transmission connection, main shaft (4) simultaneously In spindle box (5)；And linkage mechanism, revolving platform is driven with the variation guidance linkage mechanism of its circumferential profile when the cam (2) rotates (1) it rotates, realizes when cam (2) turns to the first reducer (2-1) and linkage mechanism is driven, revolving platform (1) rotation, needle Tartar (6) is gradually distance from the knitting (3) on revolving platform (1)；When cam (2) turns to the second reducer (2-2) and linkage When mechanism driving, revolving platform (1) is static, and needle tartar (6) gradually draws close the knitting (3) on revolving platform (1)；Work as cam (2) when turning to isometrical section (2-3) and linkage mechanism transmission, revolving platform (1) is static, and needle tartar (6) is successively pierced into and exits Knitting (3) on revolving platform (1),The linkage mechanism includes drive rod (8), oil cylinder (9), oil motor (10) and freewheel clutch (11), the drive rod (8) it is linearly slidably connected with spindle box (5), one end and cam (2) of the drive rod (8) are sequentially connected, drive rod (8) the other end is fixedly connected with the piston rod (9-1) of oil cylinder (9), is made up of between oil cylinder (9) and oil motor (10) oil pipe Circuit, the output end of oil motor (10) and the input terminal of freewheel clutch (11) are sequentially connected, the output of freewheel clutch (11) End is sequentially connected with revolving platform (1).
- The D refraction statics braider 2. equal static pressure according to claim 1 link, it is characterised in that: the drive rod (8) with One end of cam (2) connection is fixed with collet (12), and the collet (12) includes inner supporting rod (12-1) and outer strut (12-2), institute It states collet (12) to be plugged on cam (2), the inner supporting rod (12-1) and the inner ring wall of cam (2) are slidably connected, the outer branch Bar (12-2) and the collar wall of cam (2) are slidably connected.
- The D refraction statics braider 3. equal static pressure according to claim 2 link, it is characterised in that: the inner supporting rod (12-1) And it is rotatably connected to idler wheel (13) on outer strut (12-2), the outer peripheral surface and cam of inner supporting rod (12-1) upper roller (13) (2) inner ring wall contact, the outer peripheral surface of outer strut (12-2) upper roller (13) are contacted with the collar wall of cam (2).
- The D refraction statics braider 4. equal static pressure according to claim 1-3 link, it is characterised in that: the revolution It is provided with pedestal (14) below platform (1), the revolving platform (1) is rotatably arranged on the pedestal (14), the pedestal (14) retarder is provided on, the output end of the freewheel clutch (11) and the input terminal of retarder are sequentially connected, described to subtract The output end of fast device and revolving platform (1) are sequentially connected.
- The D refraction statics braider 5. equal static pressure according to claim 4 link, it is characterised in that: the retarder includes snail (15) and worm screw (16) are taken turns, the worm gear (15) and worm screw (16) turn to be arranged on pedestal (14), the worm gear (15) and snail Bar (16) engagement, the output end transmission connection of the worm screw (16) and freewheel clutch (11), the worm gear (15) and revolution are flat Platform (1) transmission connection.
- The D refraction statics braider 6. equal static pressure according to claim 1 link, it is characterised in that: the oil cylinder (9) goes out Hydraulic fluid port is connected to by the first oil pipe (17) with the oil inlet of oil motor (10), and the oil outlet of the oil motor (10) passes through the second oil Pipe (18) is connected to the oil inlet of oil cylinder (9), is communicated with pipeline (19) on second oil pipe (18), the pipeline (19) and note Lubricating cup (21) is connected to, and is in series with check valve (20) on pipeline (19).
- The D refraction statics braider 7. equal static pressure according to claim 1 link, it is characterised in that: the pricker reciprocator Including crank (22), connecting rod (23) and needle thorn stick (24), the crank (22) is rotatably arranged in spindle box (5), the main shaft (4) it being fixedly connected with crank (22), axis of rotation of the crank (22) in spindle box (5) is overlapped with the axis of main shaft (4), An overhung crank (22) for the connecting rod (23) is rotatablely connected, and the other end and needle thorn stick (24) are rotatablely connected, the needle thorn stick (24) It is linearly slidably connected with spindle box (5), the needle thorn stick (24) extends to spindle box (5) outside, and needle thorn stick (24) is located at The one end of spindle box (5) outside is fixedly connected with needle tartar (6).
- The D refraction statics braider 8. the equal static pressure according to right 1 link, it is characterised in that: the needle thorn braider further includes Column (25) and crossbeam (26), the crossbeam (26) are slidably arranged on column (25) along Z-direction, edge on the crossbeam (26) X-direction sliding is provided with supporting plate (27), and the spindle box (5) is rotatably arranged on supporting plate (27), solid on the supporting plate (27) Surely have driving motor (28), the output end of the driving motor (28) and spindle box (5) are sequentially connected, the revolving platform (1) Positioned at the side of column (25), the axis of rotation of the revolving platform (1) is parallel with Z axis, and the spindle box (5) is in supporting plate (27) On axis of rotation it is parallel with Y-axis.
- The D refraction statics braider 9. the equal static pressure according to right 1 link, it is characterised in that: fixed on the spindle box (5) Have main motor (29), the output end of the main motor (29) and main shaft (4) are sequentially connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710609761.0A CN107435187B (en) | 2017-07-25 | 2017-07-25 | Equal static pressure linkage D refraction statics braider |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710609761.0A CN107435187B (en) | 2017-07-25 | 2017-07-25 | Equal static pressure linkage D refraction statics braider |
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| CN107435187A CN107435187A (en) | 2017-12-05 |
| CN107435187B true CN107435187B (en) | 2019-05-28 |
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| CN201710609761.0A Active CN107435187B (en) | 2017-07-25 | 2017-07-25 | Equal static pressure linkage D refraction statics braider |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108789447B (en) * | 2018-07-19 | 2023-12-19 | 常州善巧复合材料科技有限公司 | Mute needling robot and constant arc length linkage control method thereof |
| CN109267243B (en) * | 2018-12-11 | 2023-08-15 | 常州善巧复合材料科技有限公司 | Brake pad needling machine and brake pad production method |
| CN114481457B (en) * | 2020-11-13 | 2023-05-02 | 宜兴市氿元昊新材料科技有限公司 | Special-shaped needling machine |
| CN114892347B (en) * | 2022-02-10 | 2023-07-04 | 北京玻钢院复合材料有限公司 | Needling equipment and needling method for special-shaped fabric |
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