CN109837651A - Needle selection knife assembly, slide cam selector and jacquard loom - Google Patents
Needle selection knife assembly, slide cam selector and jacquard loom Download PDFInfo
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- CN109837651A CN109837651A CN201910049754.9A CN201910049754A CN109837651A CN 109837651 A CN109837651 A CN 109837651A CN 201910049754 A CN201910049754 A CN 201910049754A CN 109837651 A CN109837651 A CN 109837651A
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Abstract
This application discloses a kind of needle selection knife assembly, slide cam selector and jacquard looms, the needle selection knife assembly includes shaft and tool apron, tool apron is equipped with axis hole, tool apron is set in shaft by axis hole, to rotate around the axis, wherein, there are separation gaps at least partly between shaft and axis hole, to reduce the rotary resistance of tool apron.Since there are separation gaps between part shaft and axis hole, it is clear that air is far smaller than the frictional force between shaft and axis hole to the resistance of axis hole, reduces the coefficient of friction between shaft and axis hole on the whole, reduces the pivoting friction of needle selection knife assembly.In addition, between shaft and axis hole coefficient of friction reduction, also reduce between shaft and axis hole relatively rotate when loss, improve the service life of needle selection knife assembly.
Description
Technical field
This application involves jacquard loom technical field more particularly to a kind of needle selection knife assemblies, slide cam selector and jacquard loom.
Background technique
Jacquard loom is suitable for weaving the fabric of knitted outerwear and adornment.Jacquard loom is knitted by selecting mechanism control
Needle, which is in compile to knit ﹑ and do not weave, sets ﹐ with different the position such as tuck to form different pattern tissues.Selecting mechanism in circular knitting machine includes
Piezoelectric ceramics and electromagnet slide cam selector.The structure of various selecting mechanisms respectively has Te Dian ﹐ with work but its function is storage and biography
Passing decorative pattern Xin Xi ﹐ makes knitting needle work in a predetermined order.
Slide cam selector is the main component of electronic jaquard circle knitting machine, and needle selection knife assembly is the execution unit of slide cam selector.Needle selecting knife
It is provided with an axis hole on the tool apron of component, is fixed on slide cam selector skeleton by shaft.Needle selection knife assembly is set to surround shaft swing,
Realize electronic needle selecting function.But axis hole and shaft contacts area are big, frictional force is big, is used for a long time the cutter head pendulum for influencing slide cam selector
Dynamic performance, it may appear that it is not in place that cutter head swings the swing of not smooth or cutter head.
That is, the pivoting friction of the needle selection knife assembly of the prior art is excessive, the service life is not grown.
Summary of the invention
The application provides a kind of needle selection knife assembly, slide cam selector and jacquard loom, the rotation that can reduce needle selection knife assembly and rubs
It wipes, improves the service life of needle selection knife assembly.
In order to solve the above technical problems, first technical solution that the application uses is: providing a kind of needle selection knife assembly, institute
Stating needle selection knife assembly includes shaft and tool apron, and the tool apron is equipped with axis hole, and the tool apron is set in institute by the axis hole
It states in shaft, to be rotated around the shaft, wherein there are separation gap between at least partly described shaft and the axis hole, with
Reduce the rotary resistance of the tool apron.
Wherein, lubricant is filled in the separation gap.
Wherein, the shaft is cylindrical body, and any portion of cross section of axis hole is circle, at least portion of the axis hole
The aperture divided is equal to the diameter of the shaft, and the aperture of other parts is greater than the diameter of the shaft.
Wherein, the separation gap is located at the middle part of the axis hole.
Wherein, the needle selection knife assembly further includes cutter head and magnet, and the cutter head and the magnet are fixed on the tool apron
On, and it is located at the two sides of the shaft, it is rotated when the magnet is by magnetic fields around the shaft, to drive the other side
The cutter head rotation.
Wherein, the magnet is bar magnet, and the bar magnet passes through bonding perpendicular to the shaft, the magnet
Mode is fixed on the tool apron.
Wherein, the tool apron is equipped with magnet mounting portion, and the side of the magnet mounting portion is provided with the magnet peace of rectangle
Tankage, the magnet are mounted in the magnet mounting groove, and the magnet is equipped with groove close to the side of the axis hole, pass through pin
Son through the groove or fills the groove by bonding agent, and the magnet is fixed in the magnet mounting groove.
Wherein, the tool apron is injection moulded component.
In order to solve the above technical problems, second technical solution that the application uses is: providing a kind of slide cam selector, the choosing
Needle device includes the needle selection knife assembly of any of the above-described.
In order to solve the above technical problems, the third technical solution that the application uses is: a kind of jacquard loom is provided, it is described
Jacquard loom includes the needle selection knife assembly of any of the above-described.
The beneficial effect of the application is: being different from the prior art, the application provides a kind of needle selection knife assembly, needle selection knife assembly
Including shaft and tool apron, tool apron is equipped with axis hole, and tool apron is set in shaft by axis hole, to rotate around the axis, wherein extremely
There are separation gaps between small part shaft and axis hole, to reduce the rotary resistance of tool apron.Due between part shaft and axis hole
There are separation gaps, it is clear that air is far smaller than the frictional force between shaft and axis hole to the resistance of axis hole, reduces on the whole
Coefficient of friction between shaft and axis hole reduces the pivoting friction of needle selection knife assembly.In addition, the system that rubs between shaft and axis hole
Several reductions also reduces loss when relatively rotating between shaft and axis hole, improves the service life of needle selection knife assembly.
Detailed description of the invention
Fig. 1 is the floor map of the application needle selection knife assembly first embodiment；
Fig. 2 is the diagrammatic cross-section that Fig. 1 needle selection knife assembly is splitted along L1；
Fig. 3 is the floor map of the application needle selection knife assembly second embodiment；
Fig. 4 is the diagrammatic cross-section that Fig. 3 needle selection knife assembly is splitted along L2；
Fig. 5 is the floor map of the application needle selection knife assembly third embodiment；
Fig. 6 is the floor map of needle selection knife assembly when magnet is not installed in Fig. 5；
Fig. 7 is the floor map of magnet in Fig. 5 needle selection knife assembly；
Fig. 8 is the floor map of the 4th embodiment of the application needle selection knife assembly；
Fig. 9 is the diagrammatic cross-section that Fig. 8 needle selection knife assembly is splitted along L3；
Figure 10 is the floor map of needle selection knife assembly when magnet is not installed in Fig. 8；
Figure 11 is the floor map of magnet in Fig. 8 needle selection knife assembly.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment belongs to the range of the application protection.
This application provides a kind of needle selection knife assembly, needle selection knife assembly includes shaft and tool apron, and tool apron is equipped with axis hole,
Tool apron is set in shaft by axis hole, to rotate around the axis, wherein at least partly there are compartments between shaft and axis hole
Gap, to reduce the rotary resistance of tool apron.
In order to illustrate the specific structure of the application needle selection knife assembly, refering to fig. 1 and Fig. 2, Fig. 1 are the application needle selection knife assemblies
The floor map of first embodiment；Fig. 2 is the diagrammatic cross-section that Fig. 1 needle selection knife assembly is splitted along L1.Straight line L1 is Fig. 1's
Cut open object line.
In present embodiment, needle selection knife assembly 10 includes shaft 14 and tool apron 11, and tool apron 11 is equipped with axis hole 15, tool apron
11 are set in shaft 14 by axis hole 15, with around the shaft 14 rotations, wherein at least partly exist between shaft 14 and axis hole 15
Separation gap 16, to reduce the rotary resistance of tool apron 11.Since there are separation gaps 16 between part shaft 14 and axis hole 15, show
So, air is far smaller than the frictional force between shaft 14 and axis hole 15 to the resistance of axis hole 15, reduces shaft 14 and axis hole 15
Between coefficient of friction, thus reduce tool apron 11 rotation rotary resistance, reduce the pivoting friction of needle selection knife assembly 10.Separately
Outside, between shaft 14 and axis hole 15 coefficient of friction reduction, also reduce between shaft 14 and axis hole 15 relatively rotate when damage
Consumption, improves the service life of needle selection knife assembly 10.
In present embodiment, lubricant is filled in separation gap 16.Lubricant is hindered to drop the friction of low friction pair
Power, the lubricant medium for slowing down its abrasion.The effects of lubricant can also play cooling, clean and prevent pollution to friction pair.Therefore, exist
It is filled with lubricant in separation gap 16, on the one hand can reduce the rotary resistance of the rotation of tool apron 11, reduces needle selection knife assembly 10
Pivoting friction, improve needle selection knife assembly 10 service life.On the other hand it can enter separation gap 16 to avoid sundries and damage shaft
14 and axis hole 15, hinder tool apron 11 rotation.Filling lubricant in separation gap 16 can also be in shaft 14 and 15 turns of axis hole
Dynamic friction plays heat spreading function when generating excessive heat, further decreases damage when relatively rotating between shaft 14 and axis hole 15
Consumption.In other embodiments, other greasing substances can also be filled in separation gap 16, the application is not construed as limiting this.
In present embodiment, shaft 14 is cylindrical body, and any portion of cross section of axis hole 15 is circle, and axis hole 15 is at least
Partial aperture is equal to the diameter of shaft 14, and the aperture of other parts is greater than the diameter of shaft 14.It is at least part of in axis hole 15
Aperture is equal to the diameter of shaft 14, can generate shaking when relatively rotating to avoid shaft 14 and axis hole 15, influence needle selecting knife group
The normal work of part 10.In other embodiments, 15 cross section of axis hole may be round and other shapes, for example, axis hole
A part of cross section is circle in 15, and the cross section of another part is rectangular, oval, polygon etc., need to only be guaranteed at least
There are separation gap 16 between part axis hole 15 and shaft 14, the application is not construed as limiting this.
In present embodiment, separation gap 16 is located at the head and the tail both ends of axis hole 15.Specifically, axis hole 15 includes middle part axis hole
152 and end axis hole 151, end axis hole 151 be located at the both ends of the extending direction of axis hole 15, middle part axis hole 152 is located at end axis
Between hole 151.The cross section of middle part axis hole 152 and end axis hole 151 is circle.The aperture of middle part axis hole 152 is equal to shaft
14 diameter generates rolling so as at least partly be in close contact between axis hole 15 and shaft 14 when needle selection knife assembly 10 being avoided to rotate
It is dynamic.The aperture of end axis hole 151 is greater than the diameter of shaft 14, so as to subtract between axis hole 15 and shaft 14 there are separation gap 16
The pivoting friction of small needle selection knife assembly 10.In other embodiments, the aperture of middle part axis hole 152 is greater than the diameter of shaft 14,
Further decrease the frictional force between axis hole 15 and shaft 14.
In present embodiment, needle selection knife assembly 10 includes cutter head 13 and magnet 12, and cutter head 13 and magnet 12 are fixed on tool apron
On 11, and it is located at the two sides of shaft 14,14 rotation around the shaft when magnet 12 is by magnetic fields, to drive the cutter head of the other side
13 rotations.
In present embodiment, magnet 12 is bar magnet, the side that bar magnet passes through bonding perpendicular to shaft 14, magnet 12
Formula is fixed on tool apron 11.Specifically, bar magnet includes the pole N and the pole S, the pole N and the pole S are located at the two sides of shaft 14.It will
External electrical magnet is close to magnet 12, so that magnet 12 is swung aside by electromagnet magnetic fields, to put with dynamic cutter head 13
It is dynamic；When changing sense of current in external electrical magnet, magnetic field changes, so that magnet 12 passes through control to another side oscillation
The electric current of external electrical magnet processed realizes the swing of cutter head 13, and then realizes needle selecting function.
In present embodiment, tool apron 11 is injection moulded component.Plastic material is to be a kind of with synthesis or natural macromolecule
Polymer can arbitrarily pinch into material or plastic material product that various shape is finally able to maintain shape invariance.Pass through Shooting Technique
Preparing tool apron 11 reduces the aperture difficulty of axis hole 15, while can also reduce the frictional force between shaft 14 and axis hole 15.
It is different from the prior art, the application provides a kind of needle selection knife assembly, and needle selection knife assembly includes shaft and tool apron, knife
Seat is equipped with axis hole, and tool apron is set in shaft by axis hole, to rotate around the axis, wherein at least partly shaft and axis hole it
Between there are separation gaps, to reduce the rotary resistance of tool apron.Since there are separation gaps between part shaft and axis hole, it is clear that
Air is far smaller than the frictional force between shaft and axis hole to the resistance of axis hole, reduces rubbing between shaft and axis hole on the whole
Coefficient is wiped, the pivoting friction of needle selection knife assembly is reduced.In addition, between shaft and axis hole coefficient of friction reduction, also reduce
Loss when relatively rotating between shaft and axis hole, improves the service life of needle selection knife assembly.
It is the floor map of the application needle selection knife assembly second embodiment refering to Fig. 3 and Fig. 4, Fig. 3；Fig. 4 is Fig. 3 choosing
The diagrammatic cross-section that needle knife assembly is splitted along L2.Straight line L2 cuts open object line for Fig. 3's.
In present embodiment, needle selection knife assembly 20 includes shaft 24 and tool apron 21, and tool apron 21 is equipped with axis hole 25, tool apron
21 are set in shaft 24 by axis hole 25, with around the shaft 24 rotations, wherein at least partly exist between shaft 24 and axis hole 25
Separation gap 26, to reduce the rotary resistance of tool apron 21.Since there are separation gaps 26 between part shaft 24 and axis hole 25, show
So, air is far smaller than the frictional force between shaft 24 and axis hole 25 to the resistance of axis hole 25, reduces shaft 24 and axis hole 25
Between coefficient of friction, thus reduce tool apron 21 rotation rotary resistance, reduce the pivoting friction of needle selection knife assembly 20.Separately
Outside, between shaft 24 and axis hole 25 coefficient of friction reduction, also reduce between shaft 24 and axis hole 25 relatively rotate when damage
Consumption, improves the service life of needle selection knife assembly 20.
In present embodiment, lubricant is filled in separation gap 26.Lubricant is hindered to drop the friction of low friction pair
Power, the lubricant medium for slowing down its abrasion.The effects of lubricant can also play cooling, clean and prevent pollution to friction pair.Therefore, exist
It is filled with lubricant in separation gap 26, on the one hand can reduce the rotary resistance of the rotation of tool apron 21, reduces needle selection knife assembly 20
Pivoting friction, improve needle selection knife assembly 20 service life.On the other hand it can enter separation gap 26 to avoid sundries and damage shaft
24 and axis hole 25, hinder tool apron 21 rotation.Filling lubricant in separation gap 26 can also be in shaft 24 and 25 turns of axis hole
Dynamic friction plays heat spreading function when generating excessive heat, further decreases damage when relatively rotating between shaft 24 and axis hole 25
Consumption.In other embodiments, other greasing substances can also be filled in separation gap 26, the application is not construed as limiting this.
In present embodiment, shaft 24 is cylindrical body, and any portion of cross section of axis hole 25 is circle, and axis hole 25 is at least
Partial aperture is equal to the diameter of shaft 24, and the aperture of other parts is greater than the diameter of shaft 24.It is at least part of in axis hole 25
Aperture is equal to the diameter of shaft 24, can generate shaking in rotation to avoid shaft 24 and axis hole 25, influence needle selection knife assembly 20
Normal work.In other embodiments, 25 cross section of axis hole may be round and other shapes, for example, in axis hole 25
The cross section of a part is circle, and the cross section of another part is rectangular, oval, polygon etc., need to only be guaranteed at least partly
There are separation gap 26 between axis hole 25 and shaft 24, the application is not construed as limiting this.
In present embodiment, separation gap 26 is located at the middle part of axis hole 25.Specifically, axis hole 25 includes middle part axis hole 252
With end axis hole 251, end axis hole 251 is located at the both ends of the extending direction of axis hole 25, and middle part axis hole 252 is located at end axis hole
Between 251.The cross section of end axis hole 251 and end axis hole 251 is circle.The aperture of middle part axis hole 252 is greater than shaft 24
Diameter shaking is generated when needle selection knife assembly 20 being avoided to rotate so as to be at least partly in close contact between axis hole 25 and shaft 24.
The aperture of middle part axis hole 252 is greater than the diameter of shaft 24, so that there are separation gaps 26 between axis hole 25 and shaft 24, reduces choosing
The pivoting friction of needle knife assembly 20.The middle part that separation gap 26 is located at axis hole 25 can further avoid sundries and enter separation gap
26 influence the work of tool apron 21, and can prevent the leakage of lubricant.
In present embodiment, needle selection knife assembly 20 includes cutter head 23 and magnet 22, and cutter head 23 and magnet 22 are fixed on tool apron
On 21, and it is located at the two sides of shaft 24,24 rotation around the shaft when magnet 22 is by magnetic fields, to drive the cutter head of the other side
23 rotations.
In present embodiment, magnet 22 is bar magnet, the side that bar magnet passes through bonding perpendicular to shaft 24, magnet 22
Formula is fixed on tool apron 21.Specifically, bar magnet includes the pole N and the pole S, the pole N and the pole S are located at the two sides of shaft 24.It will
External electrical magnet is close to magnet 22, so that magnet 22 is swung aside by the ferromagnetic field action of external electromagnetic, thus with dynamic cutter head
23 swing；When changing sense of current in external electrical magnet, magnetic field changes, so that magnet 22 leads to another side oscillation
The electric current for crossing control external electrical magnet realizes the swing of cutter head 23, and then realizes needle selecting function.
In present embodiment, tool apron 21 is injection moulded component.Plastic material is to be a kind of with synthesis or natural macromolecule
Polymer can arbitrarily pinch into material or plastic material product that various shape is finally able to maintain shape invariance.Pass through Shooting Technique
Preparing tool apron 21 reduces the aperture difficulty of axis hole 25, while can also reduce the frictional force between shaft 24 and axis hole 25.
The difference of present embodiment and a upper embodiment is that the separation gap 26 in present embodiment is located at axis hole 25
Middle part.Separation gap 26 is located at the middle part of axis hole 25, and sundries is not easily accessible separation gap 26, and lubricant is also not easy to reveal,
It ensure that the normal work of needle selection knife assembly 20.
It is different from the prior art, the application provides a kind of needle selection knife assembly, and needle selection knife assembly includes shaft and tool apron, knife
Seat is equipped with axis hole, and tool apron is set in shaft by axis hole, to rotate around the axis, wherein at least partly shaft and axis hole it
Between there are separation gaps, to reduce the rotary resistance of tool apron.Since there are separation gaps between part shaft and axis hole, it is clear that
Air is far smaller than the frictional force between shaft and axis hole to the resistance of axis hole, reduces rubbing between shaft and axis hole on the whole
Coefficient is wiped, the pivoting friction of needle selection knife assembly is reduced.In addition, between shaft and axis hole coefficient of friction reduction, also reduce
Loss when relatively rotating between shaft and axis hole, improves the service life of needle selection knife assembly.
Further, magnet slides in order to prevent, and the application also provides a kind of needle selection knife assembly.Refering to Fig. 5, Fig. 6 and
Fig. 7, Fig. 5 are the floor map of the application needle selection knife assembly third embodiment；Fig. 6 is needle selection when magnet is not installed in Fig. 5
The floor map of knife assembly；Fig. 7 is the floor map of magnet in Fig. 5 needle selection knife assembly.
In present embodiment, needle selection knife assembly 30 includes the cutter head 33 and magnet mounting portion 36 of tool apron, 31 two sides of tool apron, knife
Seat 31 is equipped with axis hole 35.It should be noted that the tool apron and cutter head in present embodiment can be any of the above-described embodiment
In tool apron and cutter head.Details are not described herein by the application.
In present embodiment, tool apron 31 is equipped with magnet mounting portion 36, magnet mounting portion 36 and tool apron 31 can integrally at
Type, be bolted, be connected together, riveting and interference connection etc., the application is not construed as limiting this.
In present embodiment, the side of magnet mounting portion 36 is provided with the magnet mounting groove 38 of rectangle, and magnet 32 is mounted on
In magnet mounting groove 38, magnet 32 is equipped with groove 321 close to the side of axis hole 35, by 37 through-going recess 321 of pin with by magnetic
Iron 32 is fixed in magnet mounting groove 38.The opening direction of magnet mounting groove 38 is identical as the axial direction of axis hole 35.Obviously, magnet 32
When rotation, rotated around the center of circle of axis hole 35, the centrifugal force of generation can make magnet 32 have the tendency that separate axis hole 35, i.e., along axis hole
35 radial direction is separate.And the opening of magnet mounting groove 38 is the axial direction of axis hole 35, magnet 32 will not pacify when rotating from magnet
The opening of tankage 38 slides, and while magnet 32 for facilitating installation, it is sliding from the opening of magnet mounting groove 38 to avoid magnet 32
It falls.In addition, further ensuring magnet 32 will not slide from the opening of magnet mounting groove 38 by 37 fixed magnet 32 of pin.
It further, is the floor map of the 4th embodiment of the application needle selection knife assembly refering to Fig. 8 to Figure 11, Fig. 8；
Fig. 9 is the diagrammatic cross-section that Fig. 8 needle selection knife assembly is splitted along L3；Figure 10 is the flat of needle selection knife assembly when magnet is not installed in Fig. 8
Face schematic diagram；Figure 11 is the floor map of magnet in Fig. 8 needle selection knife assembly.
In conjunction with Fig. 8 to Figure 11, in present embodiment, needle selection knife assembly 50 includes tool apron 51 and magnet 52.On tool apron 51
Equipped with axis hole 55 and magnet mounting portion 59, axis hole 55 is used to be rotatablely connected with shaft, so that tool apron 51 rotates around the axis.Magnet peace
Dress portion 59 is located at the side of axis hole 55, and magnet mounting portion 59 is equipped with magnet mounting groove 58.The opening direction of magnet mounting groove 58
It is parallel with the extending direction of axis hole 55.Magnet mounting groove 58 is fixed in the receiving of magnet 52.The opening direction of magnet mounting groove 58 with
The axial direction of axis hole 55 is identical.Obviously, it when magnet 52 rotates, is rotated around the center of circle of axis hole 55, the centrifugal force of generation can make magnet
52 have the tendency that separate axis hole 55, i.e. the radial direction along axis hole 55 is separate.And mounting groove magnet peace is fixed in the receiving of magnet 52
In tankage 58, magnet 52 will not slide when rotating from the opening of magnet mounting groove 58, avoid magnet 52 from magnet mounting groove 58
Opening slide.
In present embodiment, the opening of magnet mounting groove 58 is rectangle, and the opening of magnet mounting groove 58 is located at magnet installation
Side of the portion 59 far from axis hole 55.Specifically, the quantity of magnet 52 is 2, magnet 52 is bar magnet, and two magnet 52 simultaneously discharge
It sets and is fixed on magnet mounting groove 58, and the different magnetic poles of two magnet 52 are located at the same side.Specifically, by two magnet 52 simultaneously
It arranges and is inserted into magnet mounting groove 58 along the direction of F1.
In present embodiment, magnet 52 is fixed on magnet mounting groove 58 by pin 59.In other embodiments, magnet
52 are fixed on magnet mounting groove 58 by screw or adhesive.
In another embodiment, magnet 52 is fixed on magnet mounting groove 58 by adhesive.Specifically, by adhesive
Groove 521 is filled, magnet 52 is fixed on magnet mounting groove 58.It in other embodiments, can also be in magnet mounting groove
58 inside setting metals or magnetisable material, magnet 52 is adsorbed in magnet mounting groove 58.
In present embodiment, magnet 52 is equipped with groove 521.The side of magnet mounting portion 59 is equipped with through-hole 591, through-hole
591 extend to groove 521.Pin 59 is through through-hole 591 and supports groove 521, and magnet 52 is fixed on magnet mounting groove 58.
In present embodiment, the size of magnet mounting groove 58 is identical as the size of magnet 52.Groove 521 is located at magnet 52
Between the pole N and the pole S, and extend along the line of demarcation of the pole N of magnet 52 and the pole S.Due to the size and magnet of magnet mounting groove 58
52 size is identical, and magnet 52 is fitted closely with magnet mounting groove 58, and under the action of frictional force, magnet 52 is not easy from magnet
52 installations.The size of magnet mounting groove 58 is identical as the size of magnet 52, only magnet 52 need to be inserted into magnet mounting groove 58,
It is quick for installation.And if it find that 52 setup error of magnet, can very easily take out magnet 52, and reinstall.At it
In his embodiment, the opening size of magnet mounting groove 58 is different from the sectional dimension of magnet 52, magnet 52 and magnet mounting groove
58 interference fits, magnet 52 is mounted in magnet mounting groove 58.
In present embodiment, the section of groove 521 is triangle.In other embodiments, the cross sectional shape of groove 521
It can be any one of trapezoidal, round, oval, polygon, the application is not construed as limiting this.
In present embodiment, needle selection knife assembly 50 includes cutter head 53, and cutter head 53 and magnet mounting portion 59 are fixed on tool apron 51
On, and it is located at the two sides of axis hole 55, it rotates around the axis when the magnet 52 on magnet mounting portion 59 is by magnetic fields, to drive
The cutter head 53 of the other side rotates.
In present embodiment, separation gap 16 is located at the head and the tail both ends of axis hole 55.Specifically, axis hole 55 includes middle part axis hole
552 and end axis hole 551, end axis hole 551 be located at the both ends of the extending direction of axis hole 55, middle part axis hole 552 is located at end axis
Between hole 551.The cross section of middle part axis hole 552 and end axis hole 551 is circle.The aperture of middle part axis hole 552 is equal to shaft
54 diameter generates rolling so as at least partly be in close contact between axis hole 55 and shaft 54 when needle selection knife assembly 50 being avoided to rotate
It is dynamic.The aperture of end axis hole 551 is greater than the diameter of shaft 54, so as to subtract between axis hole 55 and shaft 54 there are separation gap 16
The pivoting friction of small needle selection knife assembly 50.Separation gap 16 is arranged in the both ends of axis hole 55.In other embodiments, middle part
The aperture of axis hole 552 is greater than the diameter of shaft 54, further decreases the frictional force between axis hole 55 and shaft 54.Preferably, in
The length of the end axis hole 551 of 552 two sides of portion's axis hole is identical, and middle part axis hole 552 is the one third of axis hole length.
It is different from the prior art, the application provides a kind of needle selection knife assembly, and needle selection knife assembly includes shaft and tool apron, knife
Seat is equipped with axis hole, and tool apron is set in shaft by axis hole, to rotate around the axis, wherein at least partly shaft and axis hole it
Between there are separation gaps, to reduce the rotary resistance of tool apron.Since there are separation gaps between part shaft and axis hole, it is clear that
Air is far smaller than the frictional force between shaft and axis hole to the resistance of axis hole, reduces rubbing between shaft and axis hole on the whole
Coefficient is wiped, the pivoting friction of needle selection knife assembly is reduced.In addition, between shaft and axis hole coefficient of friction reduction, also reduce
Loss when relatively rotating between shaft and axis hole, improves the service life of needle selection knife assembly.
The application also provides a kind of slide cam selector, and slide cam selector includes with above-mentioned arbitrary needle selection knife assembly.
The application also provides a kind of jacquard loom, and jacquard loom includes above-mentioned arbitrary needle selection knife assembly.
The above is only presently filed embodiments, are not intended to limit the scope of the patents of the application, all to utilize the application
Equivalent structure or equivalent flow shift made by specification and accompanying drawing content is applied directly or indirectly in other relevant technologies
Field similarly includes in the scope of patent protection of the application.
Claims (10)
1. a kind of needle selection knife assembly, which is characterized in that the needle selection knife assembly includes shaft and tool apron,
The tool apron is equipped with axis hole, and the tool apron is set in the shaft by the axis hole, to be rotated around the shaft,
Wherein, there are separation gaps between at least partly described shaft and the axis hole, to reduce the rotary resistance of the tool apron.
2. needle selection knife assembly according to claim 1, which is characterized in that be filled with lubricant in the separation gap.
3. needle selection knife assembly according to claim 1, which is characterized in that the shaft is cylindrical body, and the axis hole is any
Partial cross section is circle, and at least part of aperture of the axis hole is equal to the diameter of the shaft, the aperture of other parts
Greater than the diameter of the shaft.
4. described in any item needle selection knife assemblies according to claim 1~3, which is characterized in that the separation gap is located at described
The middle part of axis hole.
5. needle selection knife assembly according to claim 1, which is characterized in that the needle selection knife assembly further includes cutter head and magnetic
Iron, the cutter head and the magnet are fixed on the tool apron, and are located at the two sides of the shaft, and the magnet is made by magnetic field
Used time rotates around the shaft, so that the cutter head of the other side be driven to rotate.
6. needle selection knife assembly according to claim 5, which is characterized in that the magnet is bar magnet, the bar shaped magnetic
Iron is fixed on the tool apron perpendicular to the shaft, the magnet by way of bonding.
7. needle selection knife assembly according to claim 5, which is characterized in that the tool apron is equipped with magnet mounting portion, described
The side of magnet mounting portion is provided with the magnet mounting groove of rectangle, and the magnet is mounted in the magnet mounting groove, the magnetic
Iron is equipped with groove close to the side of the axis hole, fills the groove through the groove or by bonding agent by pin,
The magnet to be fixed in the magnet mounting groove.
8. needle selection knife assembly according to claim 1, which is characterized in that the tool apron is injection moulded component.
9. a kind of slide cam selector, which is characterized in that the slide cam selector includes any needle selection knife assembly of claim 1-8.
10. a kind of jacquard loom, which is characterized in that the jacquard loom includes any needle selecting knife group of claim 1-8
Part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910049754.9A CN109837651A (en) | 2019-01-18 | 2019-01-18 | Needle selection knife assembly, slide cam selector and jacquard loom |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910049754.9A CN109837651A (en) | 2019-01-18 | 2019-01-18 | Needle selection knife assembly, slide cam selector and jacquard loom |
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| CN109837651A true CN109837651A (en) | 2019-06-04 |
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| CN201910049754.9A Pending CN109837651A (en) | 2019-01-18 | 2019-01-18 | Needle selection knife assembly, slide cam selector and jacquard loom |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111321511A (en) * | 2020-03-01 | 2020-06-23 | 浙江伟盈智能科技股份有限公司 | 7F knits seam and turns over integrative hosiery machine |
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| CN111321511A (en) * | 2020-03-01 | 2020-06-23 | 浙江伟盈智能科技股份有限公司 | 7F knits seam and turns over integrative hosiery machine |
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