CN108842288B - Guide bar adjusting device of warp knitting machine - Google Patents
Guide bar adjusting device of warp knitting machine Download PDFInfo
- Publication number
- CN108842288B CN108842288B CN201811136697.XA CN201811136697A CN108842288B CN 108842288 B CN108842288 B CN 108842288B CN 201811136697 A CN201811136697 A CN 201811136697A CN 108842288 B CN108842288 B CN 108842288B
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- guide bar
- shaft
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- cradle
- swing arm
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- 238000009940 knitting Methods 0.000 title claims abstract description 46
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 description 5
- 239000004744 fabric Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
- D04B27/10—Devices for supplying, feeding, or guiding threads to needles
- D04B27/24—Thread guide bar assemblies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
The invention relates to a guide bar adjusting device of a warp knitting machine, and belongs to the technical field of warp knitting machines. The eccentric pin shaft comprises a first shaft section, a second shaft section and a third shaft section which are sequentially connected, the first shaft section and the second shaft section are eccentrically arranged, the swing arm on the cradle is sleeved outside the second shaft section, the third shaft section and the first shaft section are coaxially arranged and are respectively connected with the guide bar cradle in a rotatable mode, the guide bar hanger and the guide bar cradle are connected through a hanger steel sleeve, the guide bar assembly is connected to one end, far away from the swing arm, of the guide bar hanger, of the guide bar assembly, the one end, far away from the guide bar hanger, of the guide bar assembly is used for being connected with a latch needle, and the distance between the axis of the first shaft section and the axis of the guide bar swing shaft can be changed by rotating the eccentric pin shaft, so that position adjustment of the guide bar assembly is realized. The guide bar adjusting device of the warp knitting machine has the advantages of simple structure, easy function, low professional requirement and high adjustment accuracy, and can meet the knitting variety diversity of the warp knitting machine.
Description
Technical Field
The invention relates to the technical field of warp knitting machines, in particular to a guide bar adjusting device of a warp knitting machine.
Background
When the yarn height of the fabric is changed, the existing double needle bar warp knitting machine in the market needs to adjust the distance between the loop plate and the relative position between the yarn guide needle and the latch needle of each guide bar. For example, as shown in fig. 2, the distance before the loop plate is adjusted is L1, the distance after the loop plate is adjusted is L2, and the height position of the yarn guide needle has a height difference of Δh. Therefore, the height position of each guide bar yarn guide needle is independently adjusted by loosening the fixing screw of each guide bar hanger steel sleeve.
The method is tedious and complex, and needs professional personnel to adjust, the accuracy of the method is influenced by human factors and is difficult to achieve an ideal state, and along with the widening of the working width of the warp knitting machine, the number of required guide bar swing arms is increased, so that the workload of adjustment is greatly increased, the adjustment is tedious and complex, the professionality is high, the adjustment time is long, and the warp knitting cost is high.
Disclosure of Invention
The invention aims to solve the problems, and provides a guide bar adjusting device of a warp knitting machine, which has the advantages of simple structure, easy function, low professional requirements and high adjusting accuracy, can meet the knitting variety diversity of the warp knitting machine, and improves the problems.
The invention is realized in the following way:
the embodiment of the invention provides a guide bar adjusting device of a warp knitting machine, which comprises a keel hanging seat, a guide bar swinging shaft, a swinging frame upper swinging arm, an eccentric pin shaft, a guide bar swinging frame, a guide bar hanging frame and a guide bar assembly, wherein the keel hanging seat is arranged on a warp knitting machine cross beam;
the swing arm with the rotatable connection of sley bar pendulum shaft on the rocking frame, eccentric round pin axle is located the rocking arm on the rocking frame keep away from the one end of sley bar pendulum shaft, eccentric round pin axle is including the first axle section, second axle section and the third axle section that connect gradually, first axle section with the second axle section eccentric setting, the rocking arm cover is located on the rocking frame the outside of second axle section and with the second axle section is connected, the third axle section with first axle section coaxial setting and respectively with the rotatable connection of sley bar rocker, the sley bar gallows with the sley bar rocker passes through the gallows steel bushing and is connected, the sley bar subassembly connect in the one end of the rocking arm on the rocking frame of sley bar gallows, the one end of sley bar subassembly keep away from the sley bar gallows is used for being connected with the latch needle, rotates the round pin axle can change the axis of first axle section for the distance of sley bar pendulum shaft's axis to realize the position adjustment of sley bar subassembly.
In an alternative embodiment of the invention, the guide bar cradle comprises a cradle body and a limiting seat, wherein the cradle body is provided with a first mounting hole for the first shaft section to penetrate, the limiting seat is connected with the cradle body and forms a containing cavity for containing the swing arm on the cradle, the limiting seat is provided with a second mounting hole coaxially arranged with the first mounting hole, the first mounting hole and the second mounting hole are respectively communicated with the containing cavity, the eccentric pin shaft penetrates through the first mounting hole, the containing cavity and the second mounting hole, and one end, connected with the second shaft section, of the swing arm on the cradle is positioned in the containing cavity.
In an alternative embodiment of the invention, the swing arm on the cradle comprises a swing arm connecting block and a swing arm body, the swing arm connecting block and the swing arm body are respectively covered and buckled on the outside of the guide bar swinging shaft, the swing arm connecting block and the swing arm body are detachably connected through a first locking piece, one end of the swing arm body connected with the second shaft section is provided with a shaft seat, the shaft seat is provided with a third mounting hole parallel to the guide bar swinging shaft and a buffer groove communicated with the third mounting hole, the second shaft section is arranged in the third mounting hole in a penetrating manner, the buffer groove divides the shaft seat into a first connecting part and a second connecting part, and the first connecting part and the second connecting part are connected through a second locking piece so as to enable the swing arm on the cradle to be tightly connected with the second shaft section.
In an alternative embodiment of the present invention, the first shaft section is rotatably connected with the guide bar cradle through a first bearing, the third shaft section is rotatably connected with the guide bar cradle through a second bearing, a first limit groove is formed on the circumferential surface of the third shaft section, a second limit groove corresponding to the first limit groove is formed on the inner surface of the limit seat, the second limit groove is located in the second mounting hole, a limit piece is sleeved outside the third shaft section, and the limit piece is respectively embedded in the first limit groove and the second limit groove, and is matched with the first limit groove and the second limit groove to limit the eccentric pin shaft to move along the axial direction of the eccentric pin shaft.
In an optional embodiment of the present invention, the limiting seat is in a U-shaped structure, and the limiting seat includes a first connection section, a second connection section and a third connection section, where the second connection section is parallel to the cradle body, the first connection section and the third connection section are located at two ends of the second connection section, respectively, the first connection section is located between the cradle body and the second connection section, two ends of the first connection section are connected with the cradle body and the second connection section, respectively, the third connection section is located between the cradle body and the second connection section, two ends of the third connection section are connected with the cradle body and the second connection section, respectively, and the cradle body, the first connection section, the second connection section and the third connection section enclose the accommodating cavity.
In an alternative embodiment of the present invention, the first connection section includes a first limiting surface, the first limiting surface is located in the accommodating cavity, the third connection section includes a second limiting surface, the second limiting surface is located in the accommodating cavity, the first limiting surface and the second limiting surface are obliquely arranged, and a distance between the first limiting surface and the second limiting surface gradually decreases from one end close to the bar pendulum shaft to the other end along a length direction of the swing arm on the swing frame.
In an alternative embodiment of the present invention, the included angle between the first limit surface and the second limit surface is 30 ° -40 °.
In an alternative embodiment of the present invention, the cradle body includes a first arc segment and a second arc segment, the first arc segment arches toward the bar pendulum shaft, the second arc segment is connected with the first arc segment, the second arc segment is opposite to the arching direction of the first arc segment, the first arc segment is provided with a plurality of positioning hole groups, the plurality of positioning hole groups are distributed at intervals along the circumferential direction of the first arc segment, and the second arc segment is used for being connected with a warp knitting machine frame.
In an alternative embodiment of the invention, the positioning hole group comprises at least two first positioning holes distributed along the radial direction of the first arc section, the hanger steel sleeve is positioned on one side of the cradle body far away from the limiting seat, the hanger steel sleeve is provided with a strip-shaped hole and two second positioning holes matched with the guide bar hanger, the strip-shaped hole is correspondingly arranged with the at least two first positioning holes, the hanger steel sleeve is detachably connected with the cradle body through fasteners penetrating through the strip-shaped hole and the first positioning holes, the guide bar hanger is connected with a hanger shaft, the hanger shaft is arranged in parallel with the guide bar hanger shaft, and the hanger shaft is slidably arranged in the second positioning holes in a penetrating manner.
In an alternative embodiment of the invention, the third shaft section is provided with a flat step for rotating the eccentric pin shaft.
Compared with the prior art, the invention has the beneficial effects that:
the guide bar adjusting device of the warp knitting machine has the advantages of simple structure, easy function, low professional requirement and high adjustment accuracy, and can meet the knitting variety diversity of the warp knitting machine.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a view angle of a bar adjusting device of a warp knitting machine according to an embodiment of the present invention;
FIG. 2 is a comparison of the distance adjustment of the knockover plate;
FIG. 3 is a schematic view of another view angle of a bar adjusting device of a warp knitting machine according to an embodiment of the present invention;
FIG. 4 is a schematic view of the swing arm on the cradle of FIG. 3;
FIG. 5 is an assembly view of the eccentric pin of FIG. 3 with a bar cradle;
FIG. 6 is a schematic structural view of the eccentric pin of FIG. 4;
FIG. 7 is a view of an operating condition of the eccentric pin rotated 180;
FIG. 8 is a schematic structural view of a view of the bar cradle of FIG. 3;
FIG. 9 is a schematic structural view of another view of the bar cradle of FIG. 3;
FIG. 10 is an assembly view of the bar hanger and bar cradle of FIG. 3.
Icon: 100-bar adjusting device of warp knitting machine; 1-a keel hanging seat; 2-bar pendulum shaft; 3-swinging arms on the cradle; 31-a swing arm connecting block; 32-a swing arm body; 321-shaft seat; 322-third mounting hole; 323-buffer tank; 324-first connection portion; 325-a second connection; 4-eccentric pin shafts; 41-a first shaft section; 42-a second shaft section; 43-a third shaft section; 431-a first limit groove; 44-flat steps; 5-bar cradle; 51-cradle body; 511-a first mounting hole; 512-a first arcuate segment; 513-a second arcuate segment; 514—a set of locating holes; 515-a first positioning hole; 516-a first limit boss; 52-limiting seats; 521-second mounting holes; 522-first connection segment; 523-a second connection section; 524-third connection section; 525-a first limiting surface; 526-a second limiting surface; 527-a second limit boss; 528-second limit groove; 53-a receiving cavity; 54-a first bearing; 55-a second bearing; 6-bar hanger; 61-hanging bracket steel sleeve; 611-bar-shaped holes; 612-second positioning holes; 62-hanger shaft; 7-bar assembly; 71-bar; 72-yarn guiding needle; 8-a knockover plate; 81-latch needle.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, the azimuth or positional relationship indicated by the terms "inner", "outer", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
First embodiment
Referring to fig. 1, the present embodiment provides a bar adjusting device 100 of a warp knitting machine, which includes a bar hanger 1, a bar pendulum shaft 2, a rocker upper swing arm 3, an eccentric pin 4, a bar rocker 5, a bar hanger 6, and a bar assembly 7.
In the embodiment, the keel hanging seat 1 is used for being arranged on a warp knitting machine beam to play a role in positioning; the guide bar pendulum shaft 2 is rotatably arranged on the keel hanging seat 1 in a penetrating way, and the swing arm 3 on the cradle is sleeved outside the guide bar pendulum shaft 2 and is in transmission connection with the guide bar pendulum shaft 2; the eccentric pin shaft 4 is positioned at one end of the swing arm 3 on the swing frame far away from the guide bar swinging shaft 2, the eccentric pin shaft 4 comprises a first shaft section 41, a second shaft section 42 and a third shaft section 43 which are sequentially connected, the first shaft section 41 and the second shaft section 42 are eccentrically arranged, the swing arm 3 on the swing frame is sleeved outside the second shaft section 42 and connected with the second shaft section 42, the third shaft section 43 and the first shaft section 41 are coaxially arranged and respectively rotatably connected with the guide bar swinging frame 5, and the swing arm 3 on the swing frame can drive the eccentric pin shaft 4 to rotate relative to the guide bar swinging frame 5 along with the rotation of the guide bar swinging shaft 2; the guide bar hanger 6 is connected with the guide bar cradle 5 through a hanger steel sleeve 61, the guide bar assembly 7 is connected to one end of the guide bar hanger 6 far away from the cradle upper swing arm 3, and one end of the guide bar assembly 7 far away from the guide bar hanger 6 is used for being connected with a latch needle 81 mounted on a take-off plate 8. During installation, due to the action of gravity, the swing arm 3 on the cradle is vertically arranged, when the distance between the loop stripping plates 8 is changed, the distance (in the vertical direction) between the axis of the first shaft section 41 and the axis of the guide bar swinging shaft 2 can be changed by rotating the eccentric pin shaft 4, so that the distance between the guide bar swinging frame 5 and the guide bar swinging shaft 2 is changed, and the guide bar swinging frame 5 drives the guide bar hanging frame 6 to be close to or far away from the guide bar swinging shaft 2, so that the position adjustment of the guide bar assembly 7 is realized.
The specific structure of each component of the bar adjusting device 100 of the warp knitting machine and the positional relationship with each other will be described in detail.
In this embodiment, the keel hanging seat 1 is used for being installed on a warp knitting machine beam, plays a role in positioning, and the keel hanging seat 1 is installed at the lower end of the beam and faces the ground. The keel hanging seat 1 is provided with a through hole along the length direction of the cross beam, so that the keel hanging seat is convenient to connect with the sley bar pendulum shaft 2.
As shown in fig. 1, the guide bar pendulum shaft 2 is inserted into a through hole of the keel hanging seat 1 and is rotatably connected with the keel hanging seat 1, and under the action of an external driving component, the guide bar pendulum shaft 2 can rotate relative to the keel hanging seat 1.
As shown in fig. 3, the upper swing arm 3 of the swing frame is positioned between the guide bar swing shaft 2 and the guide bar swing frame 5, plays a role of a connecting bridge, and one end of the upper swing arm 3 of the swing frame is sleeved outside the guide bar swing shaft 2 and is in transmission connection with the guide bar swing shaft 2; the other end of the swing arm 3 on the cradle is connected with the guide bar cradle 5 through an eccentric pin shaft 4, and the eccentric pin shaft 4 is rotatably connected with the guide bar cradle 5. The guide bar hanger 6 is connected with the guide bar cradle 5 through a hanger steel sleeve 61, the guide bar assembly 7 is connected to one end of the guide bar hanger 6 far away from the cradle upper swing arm 3, and one end of the guide bar assembly 7 far away from the guide bar hanger 6 is used for being connected with a latch needle 81 mounted on a take-off plate 8.
Specifically, as shown in fig. 4, the swing arm 3 on the cradle includes a swing arm connecting block 31 and a swing arm body 32, the swing arm connecting block 31 and the swing arm body 32 are detachably connected through a first locking member, and the first locking member is arranged, so that the swing arm connecting block 31 and the swing arm body 32 are respectively and tightly connected with the guide bar pendulum shaft 2, and the swing arm 3 on the cradle can rotate along with the guide bar pendulum shaft 2. The one end that keeps away from sley bar pendulum shaft 2 of swing arm body 32 is provided with axle bed 321, and axle bed 321 has seted up with sley bar pendulum shaft 2 parallel arrangement's third mounting hole 322 and with the buffer tank 323 of third mounting hole 322 intercommunication, in the eccentric round pin axle 4 wears to locate third mounting hole 322, buffer tank 323 divide axle bed 321 into first connecting portion 324 and second connecting portion 325, and first connecting portion 324 passes through the second retaining member with second connecting portion 325 and is connected. The second locking member can change the gap between the first connecting portion 324 and the second connecting portion 325, and reduce the groove width of the buffer groove 323, so that the swing arm 3 on the swing frame is tightly connected with the eccentric pin shaft 4, and when the swing arm 3 on the swing frame is driven to rotate by the guide bar swing shaft 2, the swing arm 3 on the swing frame can drive the eccentric pin shaft 4 to rotate relative to the guide bar swing frame 5.
It should be noted that the first locking member and the second locking member may be bolts and nuts, which are convenient for connection and disconnection, and in other embodiments of the present invention, may be other detachable locking members.
As shown in fig. 5 and 6, the eccentric pin 4 includes a first shaft section 41, a second shaft section 42 and a third shaft section 43 connected in sequence, the first shaft section 41 is eccentrically disposed with the second shaft section 42, the third shaft section 43 is coaxially disposed with the first shaft section 41, and the third shaft section 43 and the first shaft section 41 are rotatably connected with the bar rocking frame 5, respectively. The swing arm 3 on the cradle is sleeved outside the second shaft section 42 and detachably connected with the second shaft section 42, the second shaft section 42 is arranged in the third mounting hole 322 in a penetrating mode, and the swing arm 3 on the cradle is tightly connected with the second shaft section 42 through the second locking piece. When the distance between the two take-off plates 8 is changed, the second locking piece is loosened, the eccentric pin shaft 4 can rotate relative to the swing arm 3 on the cradle, the eccentric pin shaft 4 is rotated to a designated angle, then the second locking piece is locked, the swing arm 3 on the cradle is tightly connected with the eccentric pin shaft 4, at the moment, the guide bar cradle 5 is close to or far away from the guide bar rocker 2 along with the rotation of the eccentric pin shaft 4, the guide bar assembly 7 is changed in position along with the guide bar cradle 5, and therefore the position adjustment of the guide bar assembly 7 is realized.
When different positions of the eccentric pin shaft 4 are connected with the swing arm 3 on the cradle, the distances between the axes of the first shaft section 41 and the third shaft section 43 relative to the axis of the guide bar swinging shaft 2 are different; in the vertical direction (when being installed, due to the action of gravity, the swing arm 3 on the cradle is arranged along the vertical direction), the distance-height difference between the axis of the first shaft section 41 and the axis of the guide bar swinging shaft 2 is doubled, and the eccentricity between the axis of the first shaft section 41 and the axis of the second shaft section 42 is doubled (as shown in fig. 7). Since the distance between the axis of the second shaft section 42 and the axis of the bar pendulum shaft 2 is unchanged, when the eccentric pin shaft 4 is rotated, the maximum value of the distance between the axis of the first shaft section 41 and the axis of the bar pendulum shaft 2 is double the eccentricity, so that the yarn guide needle 72 of the bar 71 is matched with the latch needles 81 with different heights.
Further, in order to facilitate the rotation of the eccentric pin 4, the end portion of the third shaft section 43 is provided with a flat step 44, and when the eccentric pin 4 needs to be rotated, a user can use a wrench to clamp the flat step 44, so that the use flexibility is improved, and the wrench and the eccentric pin 4 can be conveniently clamped.
As shown in fig. 8, the guide bar cradle 5 comprises a cradle body 51 and a limit seat 52, wherein the cradle body 51 is provided with a first mounting hole 511 for the first shaft section 41 to penetrate, the limit seat 52 is connected with the cradle body 51 to form a containing cavity 53 for containing the cradle upper swing arm 3, and the connecting end of the cradle upper swing arm 3 with the second shaft section 42 is positioned in the containing cavity 53; the limiting seat 52 is provided with a second mounting hole 521 coaxially arranged with the first mounting hole 511, the first mounting hole 511 and the second mounting hole 521 are respectively communicated with the accommodating cavity 53, when the eccentric pin shaft 4 penetrates through the guide bar cradle 5, the first shaft section 41 is positioned in the first mounting hole 511, the second shaft section 42 is positioned in the accommodating cavity 53, and the third shaft section 43 is positioned in the second mounting hole 521.
As shown in fig. 9, the cradle body 51 includes a first arc-shaped section 512 and a second arc-shaped section 513, the first arc-shaped section 512 arches toward the bar pendulum shaft 2, the second arc-shaped section 513 is connected with the first arc-shaped section 512, the limiting seat 52 is located in the middle of the first arc-shaped section 512, the first arc-shaped section 512 is provided with a plurality of positioning hole groups 514, the plurality of positioning hole groups 514 are distributed at intervals along the circumferential direction of the first arc-shaped section 512, and the positioning hole groups 514 are used for connecting the hanger steel sleeve 61 with the cradle body 51; the second arcuate section 513 is opposite to the arcuate direction of the first arcuate section 512, the second arcuate section 513 being adapted to connect with a warp knitting machine to prevent the bar assembly 7 from interfering with the machine frame as the delivery position of the bar carriage 5 changes.
Further, the positioning hole set 514 includes at least two first positioning holes 515 distributed along a radial direction of the first arc segment 512, as shown in fig. 10, the hanger steel sleeve 61 is located at one side of the cradle body 51 far away from the limiting seat 52, the hanger steel sleeve 61 is provided with a bar hole 611 and two second positioning holes 612 matched with the bar hanger 6, the bar hole 611 is correspondingly disposed with the at least two first positioning holes 515, the hanger steel sleeve 61 is detachably connected with the cradle body 51 through fasteners (not shown in the drawings) penetrating through the bar hole 611 and the first positioning holes 515, the bar hanger 6 is connected with a hanger shaft 62, the hanger shaft 62 is parallel to the bar pendulum shaft 2, and the hanger shaft 62 is slidably penetrating through the second positioning holes 612. In operation, the bar hanger 6 can move relative to the bar cradle 5 along the axial direction of the bar pendulum shaft 2 under the action of a traversing mechanism (the internal traversing mechanism of the warp knitting machine, which is the prior art, and which is not described in detail in this embodiment, can be driven to move along the axial direction of the bar pendulum shaft 2). As an alternative to this embodiment, the positioning hole group 514 is provided with two first positioning holes 515, and the two first positioning holes 515 are located at both ends of the bar-shaped hole 611, respectively.
It should be noted that the fastening piece may be a bolt, or may be another detachable fastening piece, and the user may choose according to the actual requirement.
The guide bar assembly 7 is mounted at the lower end of the guide bar hanger 6, the guide bar assembly 7 comprises a guide bar 71 and a guide needle 72, the guide bar 71 is detachably connected with the guide bar hanger 6, and the guide needle 72 is used for being matched with the latch needle 81. When the bar hanger 6 follows the bar cradle 5 toward or away from the bar pendulum shaft 2, the bar 71 can follow the bar hanger 6 to move, thereby changing the relative position of the guide needle 72 and the latch needle 81 so that the guide needle 72 is engaged with the latch needle 81. The plurality of guide bars 71 are respectively connected with the guide bar cradle 5 through the guide bar hanger 6, so that when the position of the guide bar cradle 5 is changed, the position of the plurality of guide bars 71 is changed as a whole.
As shown in fig. 8, the limiting seat 52 has a U-shaped structure, the limiting seat 52 includes a first connecting section 522, a second connecting section 523 and a third connecting section 524, the second connecting section 523 is disposed parallel to the cradle body 51, the second mounting hole 521 is formed in the second connecting section 523, and the first connecting section 522 and the third connecting section 524 are respectively located at two ends of the second connecting section 523. The first connecting section 522 is located between the cradle body 51 and the second connecting section 523, and two ends of the first connecting section 522 are respectively connected with the cradle body 51 and the second connecting section 523; the third connecting section 524 is located between the cradle body 51 and the second connecting section 523, and two ends of the third connecting section 524 are respectively connected with the cradle body 51 and the second connecting section 523; the cradle body 51, the first connecting section 522, the second connecting section 523, and the third connecting section 524 enclose a receiving cavity 53. In order to facilitate placement of the swing arm 3 on the cradle, both the upper and lower ends of the accommodating cavity 53 (i.e., the upper and lower ends of the accommodating cavity 53 in a state in which the guide bar cradle 5 and the swing arm 3 on the cradle are rotated through the eccentric pin 4) are opened, and a user can connect and separate the first connection portion 324 and the second connection portion 325 through the opening of the accommodating cavity 53.
Further, the first connecting section 522 includes a first limiting surface 525, the first limiting surface 525 is located in the accommodating cavity 53, the third connecting section 524 includes a second limiting surface 526, the second limiting surface 526 is located in the accommodating cavity 53, the first limiting surface 525 and the second limiting surface 526 are obliquely arranged, and when the swing arm 3 on the swing frame rotates along with the guide bar pendulum shaft 2, the first limiting surface 525 and the second limiting surface 526 are used for limiting the swing arm 3 on the swing frame to rotate relative to the guide bar pendulum shaft 5. The distance between the first limiting surface 525 and the second limiting surface 526 is gradually reduced from one end close to the guide bar pendulum shaft 2 to the other end along the length direction of the swing arm 3 on the cradle, so that the swing arm 3 on the cradle has a certain rotation angle.
As an alternative to this embodiment, the angle between the first stop surface 525 and the second stop surface 526 is 30 ° -40 °. Through a great deal of experimental study by the inventor, when the included angle between the first limiting surface 525 and the second limiting surface 526 is 30 degrees to 40 degrees, and the swing arm 3 on the swing frame rotates along with the swing shaft 2 of the guide bar, the swing frame 5 of the guide bar can drive the guide bar 71 component 7 to swing under the action of the swing arm 3 on the swing frame, and the knitting precision is high.
In the present embodiment, as shown in fig. 5, the first shaft section 41 is rotatably connected to the cradle body 51 through a first bearing 54, and the third shaft section 43 is rotatably connected to the stopper seat 52 through a second bearing 55. The diameter of the first mounting hole 511 is smaller than the diameter of the second mounting hole 521, facilitating insertion of the first shaft section 41 from the second mounting hole 521 into the first mounting hole 511. A first limiting boss 516 is arranged in the first mounting hole 511, the first boss is positioned at one end of the first mounting hole 511 far away from the accommodating cavity 53, and the outer ring of the first bearing 54 is abutted against the first limiting boss 516; a second limiting boss 527 is arranged in the second mounting hole 521, the second limiting boss 527 is located at one end of the second mounting hole 521, which is close to the accommodating cavity 53, and the outer ring of the second bearing 55 is abutted against the second limiting boss 527. The first limiting groove 431 is formed in the peripheral surface of the third shaft section 43, the second limiting groove 528 corresponding to the first limiting groove 431 is formed in the inner surface of the second connecting section 523, the second limiting groove 528 is located in the second mounting hole 521, a limiting piece (not shown in the drawing) is sleeved outside the third shaft section 43 and is respectively embedded in the first limiting groove 431 and the second limiting groove 528, and the limiting piece is matched with the first limiting groove 431 and the second limiting groove 528 to limit the eccentric pin shaft 4 to move relative to the guide bar cradle 5 along the axial direction of the eccentric pin shaft 4. Accordingly, a seal ring, an end cap, and the like are further provided at the end of the third shaft section 43 to prevent dust and other impurities from entering the second bearing 55.
The working principle of the embodiment of the invention is as follows:
in the process of changing the fabric, after the space between the looper plates 8 is adjusted according to the production requirement (as shown in fig. 2), the relative position between the guide needle 72 and the latch needle 81 of the guide bar 71 needs to be adjusted. The specific operation is as follows: the second locking piece is loosened, the swing arm 3 on the cradle is movably connected with the second shaft section 42, the eccentric pin shaft 4 is rotated relative to the swing arm 3 on the cradle through the flat step 44, the axis of the third shaft section 43 is close to or far away from the axis of the guide bar swinging shaft 2, the position of the guide bar swinging shaft 5 is driven to change, the guide bar 71 assembly 7 is enabled to follow the guide bar hanging frame 6 (the guide bar hanging frame 6 is connected with the guide bar swinging shaft 5) to be close to or far away from the guide bar swinging shaft 2, and therefore position adjustment of the guide bar 71 is achieved, and the guide needle 72 is matched with the tongue needle 81 in position. Since the plurality of guide bars 71 are mounted on the guide bar cradle 5 through the guide bar hanger 6, the position of the guide bar cradle 5 is moved, the integral movement of the plurality of guide bars 71 is realized, and the relative position requirement of the guide needle 72 and the latch needle 81 is satisfied. The guide bar adjusting device 100 of the warp knitting machine can simplify and facilitate adjustment, operation and enclosure of the warp knitting machine to the greatest extent, and shorten the time for changing the fabric varieties, thereby improving the adjustment precision and efficiency of the warp knitting machine and greatly improving the quality and production efficiency of grey cloth.
The embodiment of the invention has the advantages that:
compared with the prior art, the guide bar adjusting device 100 of the warp knitting machine has the advantages of simple structure, easy function, low professional requirement and high adjusting precision, and can meet the knitting variety diversity of the warp knitting machine.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The guide bar adjusting device of the warp knitting machine is characterized by comprising a keel hanging seat, a rotatable guide bar swinging shaft, a swinging frame upper swinging arm, an eccentric pin shaft, a guide bar swinging frame, a guide bar hanging bracket and a guide bar assembly, wherein the keel hanging seat is arranged on a warp knitting machine beam;
the swing arm on the cradle is in transmission connection with the guide bar swing shaft, the eccentric pin shaft is positioned at one end of the swing arm on the cradle, which is far away from the guide bar swing shaft, the eccentric pin shaft comprises a first shaft section, a second shaft section and a third shaft section which are sequentially connected, the first shaft section and the second shaft section are eccentrically arranged, the swing arm on the cradle is sleeved outside the second shaft section and is connected with the second shaft section, the third shaft section and the first shaft section are coaxially arranged and are respectively in rotatable connection with the guide bar swing shaft, the guide bar hanger and the guide bar swing frame are connected through a hanger steel sleeve, the guide bar assembly is connected to one end of the guide bar hanger, which is far away from the swing arm on the cradle, the one end of the guide bar assembly is used for being connected with a latch needle, and the distance between the axis of the first shaft section and the guide bar swing shaft can be changed by rotating the eccentric pin shaft, so that the position of the guide bar assembly can be adjusted;
the third shaft section is provided with a flat step which is used for rotating the eccentric pin shaft;
the guide bar cradle comprises a cradle body and a limiting seat, wherein a first mounting hole for the first shaft section to penetrate is formed in the cradle body, the limiting seat is connected with the cradle body and forms a containing cavity for containing the swing arm on the cradle, a second mounting hole coaxially arranged with the first mounting hole is formed in the limiting seat, the first mounting hole and the second mounting hole are respectively communicated with the containing cavity, the eccentric pin shaft penetrates through the first mounting hole, the containing cavity and the second mounting hole, and one end, connected with the second shaft section, of the swing arm on the cradle is located in the containing cavity;
swing arm includes swing arm connecting block, swing arm body on the cradle, the swing arm connecting block with the swing arm body cover respectively detain in the outside of sley bar pendulum axle, the swing arm connecting block with the swing arm body passes through first retaining member detachable and connects, the swing arm body with the one end that the second shaft section is connected is provided with the axle bed, the axle bed seted up with sley bar pendulum axle parallel arrangement's third mounting hole and with the buffer tank of third mounting hole intercommunication, the second shaft section wears to locate in the third mounting hole, the buffer tank will the axle bed divide into first connecting portion and second connecting portion, first connecting portion with the second connecting portion passes through the second retaining member and connects, so that swing arm with on the cradle second shaft section zonulae occludens.
2. The guide bar adjusting device of a warp knitting machine according to claim 1, wherein the first shaft section is rotatably connected with the guide bar cradle through a first bearing, the third shaft section is rotatably connected with the guide bar cradle through a second bearing, a first limit groove is formed in the circumferential surface of the third shaft section, a second limit groove corresponding to the first limit groove is formed in the inner surface of the limit seat, the second limit groove is located in the second mounting hole, a limit piece is sleeved outside the third shaft section, the limit piece is respectively embedded in the first limit groove and the second limit groove, and the limit piece is matched with the first limit groove and the second limit groove to limit the eccentric pin shaft to move along the axial direction of the eccentric pin shaft.
3. The guide bar adjusting device of a warp knitting machine according to claim 1, wherein the limit seat is of a U-shaped structure, the limit seat comprises a first connecting section, a second connecting section and a third connecting section, the second connecting section is arranged in parallel with the cradle body, the first connecting section and the third connecting section are respectively located at two ends of the second connecting section, the first connecting section is located between the cradle body and the second connecting section, two ends of the first connecting section are respectively connected with the cradle body and the second connecting section, the third connecting section is located between the cradle body and the second connecting section, two ends of the third connecting section are respectively connected with the cradle body and the second connecting section, and the cradle body, the first connecting section, the second connecting section and the third connecting section enclose the accommodating cavity.
4. The bar adjusting device of a warp knitting machine as claimed in claim 3, characterized in that the first connecting section includes a first limit surface, the first limit surface is located in the accommodating cavity, the third connecting section includes a second limit surface, the second limit surface is located in the accommodating cavity, the first limit surface and the second limit surface are obliquely arranged, and a distance between the first limit surface and the second limit surface is gradually reduced from one end close to the bar pendulum shaft toward the other end along a length direction of the swing arm on the cradle.
5. The bar adjustment device of a warp knitting machine as claimed in claim 4, characterized in that an angle between the first stop surface and the second stop surface is 30 ° -40 °.
6. The guide bar adjusting device of a warp knitting machine according to claim 1, characterized in that the cradle body comprises a first arc-shaped section and a second arc-shaped section, the first arc-shaped section arches towards the guide bar pendulum shaft, the second arc-shaped section is connected with the first arc-shaped section, the second arc-shaped section is opposite to the arching direction of the first arc-shaped section, the first arc-shaped section is provided with a plurality of positioning hole groups, the plurality of positioning hole groups are distributed at intervals along the circumferential direction of the first arc-shaped section, and the second arc-shaped section is used for being connected with a frame of the warp knitting machine.
7. The guide bar adjusting device of a warp knitting machine according to claim 6, wherein the positioning hole group comprises at least two first positioning holes distributed along the radial direction of the first arc section, the hanger steel sleeve is positioned on one side of the cradle body far away from the limiting seat, the hanger steel sleeve is provided with a strip-shaped hole and two second positioning holes matched with the guide bar hanger, the strip-shaped hole is correspondingly arranged with the at least two first positioning holes, the hanger steel sleeve is detachably connected with the cradle body through fasteners penetrating through the strip-shaped hole and the first positioning holes, the hanger is connected with a hanger shaft, the hanger shaft is parallel to the guide bar pendulum shaft, and the hanger shaft is slidably penetrated in the second positioning holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811136697.XA CN108842288B (en) | 2018-09-28 | 2018-09-28 | Guide bar adjusting device of warp knitting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811136697.XA CN108842288B (en) | 2018-09-28 | 2018-09-28 | Guide bar adjusting device of warp knitting machine |
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| CN108842288A CN108842288A (en) | 2018-11-20 |
| CN108842288B true CN108842288B (en) | 2023-11-24 |
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| CN201811136697.XA Active CN108842288B (en) | 2018-09-28 | 2018-09-28 | Guide bar adjusting device of warp knitting machine |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110592797A (en) * | 2019-09-19 | 2019-12-20 | 福建信亿机械科技有限公司 | Double needle bar warp knitting machine |
| CN113638121A (en) * | 2021-09-24 | 2021-11-12 | 常州润丰源纺机制造有限公司 | Yarn guide device for warp knitting machine |
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| CN201151795Y (en) * | 2007-12-19 | 2008-11-19 | 常德纺织机械有限公司 | Warp knitting machine guide chase comb position adjusting device |
| CN101338483A (en) * | 2008-08-11 | 2009-01-07 | 孙嘉良 | Two-needle bar electronic Jacquard warp knitting machine |
| CN204780122U (en) * | 2015-07-03 | 2015-11-18 | 卡尔迈耶（中国）有限公司 | Double needle bar warp knitting machine cradle device |
| CN208917439U (en) * | 2018-09-28 | 2019-05-31 | 常州市赛嘉机械有限公司 | The sley bar regulating device of tricot machine |
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| CN1240845A (en) * | 1998-06-26 | 2000-01-12 | 卡尔迈尔纺织机械制造有限公司 | Warp knitting machine |
| CN201033827Y (en) * | 2007-05-10 | 2008-03-12 | 常州市宏发机械有限公司 | Guide chase comb stitch front shogging mechanism |
| CN201151795Y (en) * | 2007-12-19 | 2008-11-19 | 常德纺织机械有限公司 | Warp knitting machine guide chase comb position adjusting device |
| CN101338483A (en) * | 2008-08-11 | 2009-01-07 | 孙嘉良 | Two-needle bar electronic Jacquard warp knitting machine |
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| CN108842288A (en) | 2018-11-20 |
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