CN210314706U - Dynamic two-step stitch control mechanism in computerized flat knitting machine - Google Patents
Dynamic two-step stitch control mechanism in computerized flat knitting machine Download PDFInfo
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- CN210314706U CN210314706U CN201920728695.3U CN201920728695U CN210314706U CN 210314706 U CN210314706 U CN 210314706U CN 201920728695 U CN201920728695 U CN 201920728695U CN 210314706 U CN210314706 U CN 210314706U
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Abstract
The utility model discloses a dynamic two-stage stitch control mechanism in a computerized flat knitting machine, which comprises a triangular mother board, wherein a left two-stage stitch cam, a right two-stage stitch cam, a left lever and a right lever are arranged on the triangular mother board, a triangular mother board groove is arranged on the triangular mother board, and the dynamic stitch of the right double-layer stitch cam assembly and the two-stage stitch of the left double-layer stitch cam assembly are controlled by driving the rotation of the right two-stage stitch cam through a motor; on the contrary, the left two-section stitch cam is driven by the motor to rotate to control the dynamic stitch of the left double-layer stitch cam assembly and the two-section stitch of the right double-layer stitch cam assembly. The utility model discloses increased the segmentation function on the basis of dynamic degree mesh, degree mesh triangle can relative movement about making, has enlarged the coil control range of degree mesh triangle, can realize the complicated flower type of the violent change of adjacent coil size. The utility model discloses weaving the in-process, the action switching of left and right double-deck degree mesh triangle subassembly is by two motor alternative control, avoids the motor to generate heat, increases motor life.
Description
Technical Field
The utility model relates to a computer flat knitting machine field especially relates to a developments two-stage process control mechanism among computer flat knitting machine.
Background
The stitch device is an important part for controlling the fabric density in the flat knitting machine, and conforms to the knitting of various density values of the fabric by realizing dynamic stitch, but the requirement of the current market on the fabric is not met only by the dynamic stitch. The flat knitting machine has the advantages that the segmentation function is added on the basis of the dynamic stitch, the density range of the knitting can be wider by the two stitches, different customer requirements are met, more knitting needle dynamic states are realized by matching with other cam motions, the practicability of the flat knitting machine is greatly improved, the structure of the two dynamic stitches on the market is relatively complex, in the knitting process, the switching between the dynamic stitches of the left and right double-layer stitch cam assemblies and the switching between the two stitches are controlled by the same motor respectively, the motor is enabled to be in a working state all the time, and the service life of the motor is greatly shortened. In addition, an independent motor structure is additionally arranged specially for increasing the function of the two sections, so that the cost and the space are increased.
Disclosure of Invention
The utility model aims at prior art's defect, provide a developments two section degree mesh control mechanism among computerized flat knitting machine, under the condition that does not increase the motor, accomplish the developments degree mesh and the two section degree mesh of double-deck degree mesh triangle subassembly through the cooperation of two current motors.
In order to realize the above purpose, the utility model adopts the following technical scheme:
a dynamic two-stage stitch control mechanism in a computerized flat knitting machine comprises a triangular mother board, wherein a left two-stage stitch cam, a right two-stage stitch cam, a left lever and a right lever are arranged on the triangular mother board, a triangular mother board groove is formed in the triangular mother board, the left lever and the right lever are arranged in a crossed mode, the right end portion of the left lever is connected with a right double-layer stitch cam assembly, and the left end portion of the right lever is connected with a left double-layer stitch cam assembly;
when the outer track surface of the right two-section stitch cam is abutted against the right end part of the right lever, the left end part of the right lever drives the left assembly I of the left double-layer stitch cam assembly to slide in the corresponding triangular mother plate groove, and the left upper stitch and the left lower stitch of the left double-layer stitch cam assembly are separated to form two-section stitches; when the inner track surface of the right two-section stitch cam is abutted to the right double-layer stitch cam assembly, the right assembly II of the right double-layer stitch cam assembly slides in the corresponding triangular mother board groove, and the upper right stitch and the lower right stitch of the right double-layer stitch cam assembly slide in the triangular mother board groove together to form dynamic stitch;
when the outer track surface of the left second-section stitch cam is abutted against the left end part of the left lever, the right end part of the left lever drives a right assembly I of the right double-layer stitch cam assembly to slide in a corresponding cam mother plate groove, and the right upper stitch and the right lower stitch of the right double-layer stitch cam assembly are separated to form a second-section stitch; when the inner track surface of the left two-section stitch cam is abutted to the left double-layer stitch cam assembly, the left assembly II of the left double-layer stitch cam assembly slides in the corresponding triangular mother board groove; the upper left stitch and the lower left stitch of the left double-layer stitch cam assembly slide in the cam mother board groove together to form a dynamic stitch;
and (3) performing cross control on the left lever and the right lever, namely controlling the right lever by the right two-section stitch cam, and controlling the left lever by the left two-section stitch cam to realize the two-section stitch.
Furthermore, the left double-layer stitch triangle assembly comprises a transmission mechanism, an upper left stitch connecting block, an upper left stitch, a lower left stitch and a third bearing, the first left assembly comprises the upper left stitch connecting block and the upper left stitch, the left end part of the right lever is connected with the transmission mechanism, the transmission mechanism is provided with a rotatable second-section stitch shifting fork, the third bearing is arranged on the upper left stitch connecting block, the third bearing is clamped in a U-shaped groove of the second-section stitch shifting fork, and the upper left stitch is connected with the upper left stitch connecting block; when the transmission mechanism drives the left second section mesh shifting fork to rotate, the left second section mesh shifting fork drives the left upper mesh connecting block and the left upper mesh to slide in the groove of the triangular mother plate, and the left upper mesh is separated from the left lower mesh.
Further, drive mechanism includes transmission sub-mechanism, two sections degree mesh pull rod guide holder and the left second section degree mesh pull rod, two sections degree mesh pull rod guide holder below is located to left side two sections degree mesh pull rod, and the long waist hole of two sections degree mesh pull rod guide holder top is located to right lever left end portion below and in the recess of the left second section degree mesh pull rod is put into, left side two sections degree mesh pull rod is connected with transmission sub-mechanism, and left second section degree mesh shift fork rotates and connects on transmission sub-mechanism, and when right lever left end portion swung, it removes in two sections degree mesh pull rod guide holder recesses to drive left second section degree mesh pull rod, and left second section degree mesh pull rod drives left second section degree mesh shift fork and rotates, and the recess width of left second section degree mesh pull rod is greater than the diameter of sixth bearing.
Furthermore, a bearing pin is arranged below the left end part of the right lever, a sixth bearing is connected below the bearing pin, and the bearing pin and the sixth bearing penetrate through a long waist hole above the guide seat of the two-section stitch pull rod and are arranged in a groove of the left two-section stitch pull rod.
Furthermore, a pull rod pressure spring is arranged between the left second-section stitch pull rod and the second-section stitch pull rod guide seat.
Furthermore, the transmission sub-mechanism comprises a left lower stitch connecting block, a second bearing and a fork pin shaft, a sliding groove is formed in the rear side of the left second stitch pull rod, a shifting fork pin shaft is arranged on one side of the left lower stitch connecting block, the rear end of the left second stitch shifting fork is rotatably connected with the shifting fork pin shaft, the second bearing is arranged at one end of the front side of the left second stitch shifting fork, and the second bearing slides in the sliding groove of the left second stitch pull rod.
Furthermore, the double-layer stitch cam assembly on the right is provided with a lower right stitch connecting block, a fourth bearing is arranged on the lower right stitch connecting block, and the outer surface of the fourth bearing abuts against the inner track surface of the two-section stitch cam.
Furthermore, still install right degree mesh clip pendulum rod on the degree mesh connecting block down in the right side, install the fifth bearing on the right side degree mesh clip pendulum rod, be equipped with the degree mesh clip pressure spring of looks butt between right degree mesh clip pendulum rod and the degree mesh connecting block down in the right side, the fifth bearing is around the swing of fixed pin screw under the elasticity of degree mesh clip pressure spring, the inside orbit face outside of fifth bearing butt.
Further, the double-layer right stitch triangle assembly is further provided with a right two-section stitch shifting fork, the right two-section stitch shifting fork is rotatably connected to a right lower stitch connecting block, a third bearing is mounted on a right upper stitch connecting block and clamped in a U-shaped groove of the right two-section stitch shifting fork, and the right assembly II comprises a right lower stitch, a right upper stitch connecting block and a right upper stitch connecting block which are connected.
Furthermore, the lower part of the right end part of the right lever is connected with a first bearing through a lever eccentric bearing pin, the position of the first bearing is adjusted through the lever eccentric bearing pin, and the outer surface of the first bearing is abutted against the outer track surface of the right two-degree cam.
The left and right double-layer stitch components of the utility model are symmetrically arranged, but the left and right double-layer stitch components can not simultaneously generate actions, when the left double-layer stitch component generates actions, the dynamic stitch is controlled by the left two-section stitch cam, and the right cam is used for controlling the two-section stitch; when the left and right two-stage stitch cams simultaneously act to control the left double-layer stitch component to dynamically perform two-stage stitch, the right double-layer stitch component acts in the same way.
Adopt the technical scheme of the utility model, the beneficial effects of the utility model are that: compared with the prior art, the utility model discloses increased the segmentation function on the basis of dynamic degree mesh, degree mesh triangle can relative movement about making, has enlarged the coil control range of degree mesh triangle, can realize the complicated flower type of adjacent coil size drastic change. The utility model discloses weaving the in-process, the action switching of left and right double-deck degree mesh triangle subassembly is by two motor alternative control, avoids the motor to generate heat, increases motor life. The utility model discloses rotate the developments two-stage section degree mesh of accomplishing double-deck degree mesh triangle subassembly by the cooperation of two left and right cams.
Drawings
FIG. 1 is a perspective view of a dynamic two-stage stitch control mechanism in a computerized flat knitting machine according to the present invention;
FIG. 2 is a front view of a dynamic two-step stitch control mechanism in the computerized flat knitting machine provided by the present invention;
FIG. 3 is a rear view of a dynamic two-stage stitch control mechanism in a computerized flat knitting machine, showing an up-down stitch unsegmented state;
FIG. 4 is a sectional state of the upper and lower stitch on the left side of the rear view of the dynamic two-stage stitch control mechanism in the computerized flat knitting machine;
FIG. 5 is a perspective view of a sectional stitch control structure of a dynamic two-stage stitch control mechanism in the computerized flat knitting machine;
FIG. 6 is a perspective view of the sectional stitch internal structure of the dynamic two-stage stitch control mechanism in the computerized flat knitting machine;
FIG. 7 is a schematic diagram of the right inner and outer track surfaces of a dynamic two-stage stitch control mechanism sectional stitch cam in the computerized flat knitting machine;
FIG. 8 is a front view of a sectional stitch control structure of a dynamic two-stage stitch control mechanism in a computerized flat knitting machine;
fig. 9 is a schematic diagram of the internal structure of the upper and lower meshes on the left side of the dynamic two-stage mesh control mechanism in the computerized flat knitting machine;
fig. 10 is a right side stitch elevation view of the dynamic two-stage stitch control mechanism in the computerized flat knitting machine provided by the present invention;
fig. 11 is a schematic diagram of the control of the inner and outer track surfaces of the two-stage stitch cam on the right side of the dynamic two-stage stitch control mechanism in the computerized flat knitting machine;
fig. 12 is a schematic view of the internal structure of the upper and lower meshes on the right side of the dynamic two-stage mesh control mechanism in the computerized flat knitting machine.
Wherein, 1, a triangular mother board, 101, a triangular mother board groove, 2, a left two-section stitch cam, 3, a right two-section stitch cam, 4, a left lever, 5, a right lever, 501, a right lever right end part, 502, a right lever left end part, 6, a left two-layer stitch cam component, 7, a right two-layer stitch cam component, 8, a lever rotating shaft, 9, a two-section stitch pull rod guide seat, 10, a first bearing, 11, a pull rod pressure spring, 12, a left two-section stitch pull rod, 13, a second bearing, 14, a left two-section stitch shift fork, 15, a shift fork pin shaft, 16, a left lower stitch, 17, a third bearing, 18, an upper left stitch connecting block, 19, an upper left stitch, 20, a bearing pin, 21, a lower stitch connecting block, 22, a fourth bearing, 23, a fifth bearing, 24, a lower stitch, 25, an upper right stitch connecting block, 26, an upper stitch connecting block, a 27, a right stitch swing rod, 28, and a 28, 29. 30 parts of a mesh clamp compression spring, 31 parts of a lever eccentric bearing pin, 31 parts of a left lower mesh connecting block, 32 parts of a sixth bearing, 33 parts of an outer track surface, 34 parts of an outer side of an inner track surface, and 35 parts of an inner side of the inner track surface.
Detailed Description
The specific embodiments of the present invention will be further explained with reference to the accompanying drawings.
The utility model discloses increased the segmentation function on the basis of developments degree mesh, made upper and lower degree mesh triangle can relative movement, enlarged the triangle's of degree mesh coil control range, can realize the complicated flower type of the violent change of adjacent coil size. The structure can complete the dynamic stitch and the two-stage stitch of the double-layer stitch triangle component by the rotation of the cam under the condition of not increasing the motor through the position relation and the cooperation between the inner track surface and the outer track surface in the cam and the action of the lever. And in the structure, the switching between the dynamic degree of the left double-layer degree triangular component 6 and the right double-layer degree triangular component 7 and the switching between the two sections of degrees are respectively controlled by two motors in turn, so that the rest time of the motors is given, the motors are prevented from generating heat, the service life of the motors is prolonged, the structure is stable and reliable, and the operation efficiency is high.
As shown in the figure, the dynamic two-stage stitch control mechanism in the computerized flat knitting machine comprises a triangular mother board 1, wherein a left two-stage stitch cam 2, a right two-stage stitch cam 3, a left lever 4 and a right lever 5 are arranged on the triangular mother board 1, a triangular mother board groove 101 is formed in the triangular mother board, the left lever 4 and the right lever 5 are arranged in a crossed manner, the right end part of the left lever is connected with a right double-layer stitch cam assembly 7, and the left end part 502 of the right lever is connected with a left double-layer stitch cam assembly 6;
when 3 outside orbit faces of right two-stage degree mesh cam and right lever right-hand member 501 butt, right lever left end portion 502 drives left side subassembly one of left double-deck degree mesh triangle subassembly 6 and slides at its triangle mother board groove 101 that corresponds, and the upper left degree of left side double-deck degree mesh triangle subassembly 6 separates with the lower left degree of mesh, forms two-stage degree mesh, when 3 inside orbit faces of right double-deck degree mesh cam and 7 butt of right double-deck degree mesh triangle subassembly, right double-deck degree mesh triangle subassembly 7 slides at the right subassembly two of its triangle mother board groove 101 that corresponds, and the upper right degree of right double-deck degree mesh triangle subassembly 7 slides at triangle mother board groove 101 with the lower right degree of mesh, forms dynamic degree mesh.
When the external track surface of the left two-stage stitch cam 2 is abutted against the left end part of the left lever, the right end part of the left lever drives the right assembly I of the right double-layer stitch cam assembly 7 to slide in the corresponding triangular mother plate groove 101, and the upper right stitch and the lower right stitch of the right double-layer stitch cam assembly 7 are separated to form a two-stage stitch; when the inner track surface of the left second-section stitch cam 2 is abutted to the left double-layer stitch cam assembly 6, the left assembly II of the left double-layer stitch cam assembly 6 slides in the corresponding triangular mother plate groove 101, and the upper left stitch and the lower left stitch of the left double-layer stitch cam assembly 6 slide in the triangular mother plate groove 101 together to form dynamic stitch;
and the left lever 4 and the right lever 5 are controlled in a cross mode, namely the right lever is controlled by the right two-section stitch cam, and the left lever is controlled by the left two-section stitch cam to realize the two-section stitch.
Left two-stage process degree cam 2, right two-stage process degree cam 3 below all are equipped with the spiral arch, the spiral arch has interior orbit face outside 34, and interior orbit face is inboard, the border of left two-stage process degree cam 2, right two-stage process degree cam 3 is outer orbit face 33.
The left assembly I comprises an upper left stitch connecting block and an upper left stitch, the left assembly II comprises an upper left stitch connecting block, a lower left stitch and an upper left stitch, the right assembly I comprises an upper right stitch connecting block and an upper right stitch, and the right assembly II comprises an upper right stitch, an upper right stitch and an upper right stitch connecting block.
The left lever 4 and the right lever 5 are both provided with a lever rotating shaft 8 and rotate by taking the lever rotating shaft 8 as an axis.
The left double-layer stitch cam assembly 6 comprises a transmission mechanism, an upper left stitch connecting block 18, an upper left stitch 19, a lower left stitch 16 and a third bearing 17, the left end part 502 of the right lever is connected with the transmission mechanism, the transmission mechanism is provided with a rotatable left second-section stitch shifting fork 14, the third bearing 17 is installed on the upper left stitch connecting block 18, the third bearing 17 is clamped in a U-shaped groove of the left second-section stitch shifting fork 14, and the upper left stitch 19 is connected with the upper left stitch connecting block 18; when the transmission mechanism drives the left two-section stitch shifting fork 14 to rotate, the left two-section stitch shifting fork 14 drives the left upper stitch connecting block 18 and the left upper stitch 19 to slide in the triangular mother board groove 101, and the left upper stitch 19 is separated from the left lower stitch 16.
Drive mechanism includes transmission sub-mechanism, two sections degree mesh pull rod guide holder 9 and two sections degree mesh pull rod 12 of left side, two sections degree mesh pull rod 12 of left side are located two sections degree mesh pull rod guide holder 9 below, and the long waist hole of two sections degree mesh pull rod guide holder 9 top is located to right lever left end portion 502 below and is put into in the recess of two sections degree mesh pull rod 12 of left side, two sections degree mesh pull rod 12 of left side is connected with transmission sub-mechanism, and two sections degree mesh shift fork 14 of left side rotate and connect on transmission sub-mechanism, and when right lever left end portion 502 swung, drive two sections degree mesh pull rod 12 of left side and remove in two sections degree mesh pull rod guide holder 9 recesses, and two sections degree mesh pull rod 12 of left side drive two sections degree mesh shift fork 14 and rotate.
A bearing pin 20 is arranged below the left end part 502 of the right lever, a sixth bearing 32 is connected below the bearing pin 20, and the bearing pin 20 and the sixth bearing 32 penetrate through a long waist hole above the two-section stitch pull rod guide seat 9 and are arranged in a groove of the left two-section stitch pull rod 12. When the lever swings, the left two-section stitch pull rod 12 is driven to move in the groove of the two-section stitch pull rod guide seat 9, and the width of the groove of the left two-section stitch pull rod 12 is larger than the diameter of the sixth bearing 32.
A pull rod pressure spring 11 is arranged between the left second section stitch pull rod 12 and the second section stitch pull rod guide seat 9.
The transmission sub-mechanism comprises a left lower stitch connecting block 31, a second bearing 13 and a fork pin shaft 15, a sliding groove is formed in the rear side of a left second stitch pull rod 12, a shifting fork pin shaft 15 is arranged on one side of the left lower stitch connecting block 31, the rear end of the left second stitch shifting fork 14 is rotatably connected with the shifting fork pin shaft 15, the second bearing 13 is arranged at one end of the front side of the left second stitch shifting fork 14, and the second bearing 13 slides in the sliding groove of the left second stitch pull rod 12.
The double-layer stitch triangle component 7 on the right is provided with a lower right stitch connecting block 21, a fourth bearing 22 is arranged on the lower right stitch connecting block 21, and the outer surface of the fourth bearing 22 abuts against the inner track surface of the two-section stitch cam.
Still install right degree mesh clip pendulum rod 27 on the degree mesh connecting block 21 under the right side, install fifth bearing 23 on the right side degree mesh clip pendulum rod 27, be equipped with the degree mesh clip pressure spring 29 of looks butt between right degree mesh clip pendulum rod 27 and the degree mesh connecting block 21 under the right side, fifth bearing 23 is around the swing of fixed pin screw 28 under the elasticity of degree mesh clip pressure spring 29, the inside orbit face outside of fifth bearing 23 butt.
Double-deck degree mesh triangle subassembly 7 in the right side still is equipped with right two-section degree mesh shift fork, and right two-section degree mesh shift fork rotates to be connected on right lower degree mesh connecting block 21, and third bearing 17 installs on right upper degree mesh connecting block 26 and third bearing 17 card establishes the U type inslot of right two-section degree mesh shift fork, right lower degree mesh 24 is connected with triangle mother board 1, and upper right degree mesh 25 is connected with upper right degree mesh connecting block 26.
The lower part of the right end part 501 of the right lever is connected with a first bearing 10 through a lever eccentric bearing pin 30, the position of the first bearing 10 is adjusted through a lever eccentric bearing pin 20, and the outer surface of the first bearing 10 is abutted against the outer track surface of the right two-step stitch cam 3.
In the weaving process, the left double-layer stitch cam assembly 6 and the right double-layer stitch cam assembly 7 are in an alternate action process. Fig. 7 shows the relative position relationship between the inner and outer track surfaces of the right two-step stitch cam 3, and the right two-step stitch cam 3 is driven by the motor to rotate to control the dynamic stitch of the right two-layer stitch cam assembly 7 and the sectional stitch of the left two-layer stitch cam assembly 6, whereas the left two-step stitch cam 2 is driven by the motor to rotate to control the sectional stitch of the left two-layer stitch cam assembly 6 and the dynamic stitch of the right two-layer stitch cam assembly 7.
The utility model discloses take right two-section degree mesh cam 3 to rotate for the example:
the lower part of the right end part 501 of the right lever is connected with a first bearing 10 through an eccentric lever bearing pin 30, the position of the first bearing 10 can be finely adjusted through the eccentric lever bearing pin 30, and the outer surface of the first bearing 10 is always abutted against the outer track surface of the right two-step cam 3.
The outer orbital surface 33 of the right two-degree cam 3 functions over the range of the convex section a-B. When the outer surface of the first bearing 10 is abutted against the convex section A-B of the outer track surface 33 of the right two-section stitch cam 3, the right two-section stitch cam 3 rotates anticlockwise under the driving of the motor. The right end 501 of the right lever swings outwards with the lever rotating shaft 8 as the rotating center, and the corresponding left end 502 of the right lever swings in the opposite direction, and at the same time, drives the left two-step stitch pull rod 12 to slide in the same direction in the sliding groove of the two-step stitch pull rod guide seat 9 against the elasticity of the pull rod compression spring 11. The second bearing 13 is clamped in a sliding groove of the left two-section stitch pull rod 12 and moves together with the left two-section stitch pull rod 12 in the same direction, and the left two-section stitch shift fork 14 can rotate around a shift fork pin shaft 15 to drive the left upper stitch connecting block 18 and the left upper stitch 19 to slide together in the triangular mother board groove 101 to separate the left lower stitch 16, so that two-section stitches are realized.
On the contrary, the right two-section stitch cam 3 is driven by the motor to rotate clockwise, and under the cooperation of the elastic force of the pull rod pressure spring 11, the upper left stitch 19 originally separating the lower left stitch 16 is reset, and exits from the two-section stitch.
The fourth bearing 22 is always abutted against the inner side of the inner track surface of the right two-section stitch cam 3, and the acting range of the inner track surface of the right two-section stitch cam 3 is a convex section C-D section. The set pin screw 8 is mounted on the right lower eye connection block 21. A right eye clamp swing link 27 mounting the fifth bearing 23 is swingable about a set pin screw 28. In the section C-D, the fifth bearing 23 is in direct contact with the inner orbital plane outer side 34 under the indexing clamp compression spring 29. And a mode of clamping two sides is adopted, so that the lower right stitch 24, the upper right stitch 25 and the upper right stitch connecting block 26 slide more stably in the triangular mother board groove 101, the quality of the fabric is ensured, and at the moment, the fifth bearing 23 is only abutted against the C-D section of the outer side 34 of the inner track surface.
When the outer surface of the fourth bearing 22 abuts against the convex section C-D of the inner track surface of the right two-stage stitch cam 3, the right two-stage stitch cam 3 rotates clockwise under the driving of the motor, and the right double-layer stitch cam assembly 7 slides upwards stably in the triangular mother board groove 101 and exits from the working position.
On the contrary, the right two-section stitch cam 3 rotates anticlockwise under the driving of the motor, the right double-layer stitch cam assembly 7 slides downwards in the cam mother board groove 101 stably, and the position is determined according to different density requirements of the fabric.
When the outer surface of the fourth bearing 22 is abutted with the C-E section on the inner side of the track surface in the right two-section stitch cam 3, the outer surface of the corresponding first bearing 10 is just abutted with the 33A-B section on the outer track surface of the right two-section stitch cam, at the moment, the right two-layer stitch cam assembly 7 is in a static state, and the left two-layer stitch cam assembly 6 starts two-section stitch.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A dynamic two-stage stitch control mechanism in a computerized flat knitting machine is characterized by comprising a triangular mother board, wherein a left two-stage stitch cam, a right two-stage stitch cam, a left lever and a right lever are arranged on the triangular mother board, a triangular mother board groove is formed in the triangular mother board, the left lever and the right lever are arranged in a crossed mode, the right end portion of the left lever is connected with a right double-layer stitch cam assembly, and the left end portion of the right lever is connected with a left double-layer stitch cam assembly;
when the outer track surface of the right two-section stitch cam is abutted against the right end part of the right lever, the left end part of the right lever drives the left assembly I of the left double-layer stitch cam assembly to slide in the corresponding triangular mother plate groove, and the left upper stitch and the left lower stitch of the left double-layer stitch cam assembly are separated to form two-section stitches; when the inner track surface of the right two-section stitch cam is abutted to the right double-layer stitch cam assembly, the right assembly II of the right double-layer stitch cam assembly slides in the corresponding triangular mother board groove, and the upper right stitch and the lower right stitch of the right double-layer stitch cam assembly slide in the triangular mother board groove together to form dynamic stitch;
when the outer track surface of the left second-section stitch cam is abutted against the left end part of the left lever, the right end part of the left lever drives a right assembly I of the right double-layer stitch cam assembly to slide in a corresponding cam mother plate groove, and the right upper stitch and the right lower stitch of the right double-layer stitch cam assembly are separated to form a second-section stitch; when the inner track surface of the left two-section stitch cam is abutted to the left double-layer stitch cam assembly, the left assembly II of the left double-layer stitch cam assembly slides in the corresponding triangular mother plate groove, and the upper left stitch and the lower left stitch of the left double-layer stitch cam assembly slide in the triangular mother plate groove together to form dynamic stitch;
and (3) performing cross control on the left lever and the right lever, namely controlling the right lever by the right two-section stitch cam, and controlling the left lever by the left two-section stitch cam to realize the two-section stitch.
2. The dynamic two-stage stitch control mechanism in the computerized flat knitting machine according to claim 1, wherein the left double-layer stitch cam assembly comprises a transmission mechanism, an upper left stitch connecting block, an upper left stitch, a lower left stitch and a third bearing, the first left assembly comprises an upper left stitch connecting block and an upper left stitch, the left end of the right lever is connected with the transmission mechanism, the transmission mechanism is provided with a rotatable second-stage stitch shifting fork, the third bearing is arranged on the upper left stitch connecting block and is clamped in a U-shaped groove of the second left stitch shifting fork, and the upper left stitch is connected with the upper left stitch connecting block; when the transmission mechanism drives the left second section mesh shifting fork to rotate, the left second section mesh shifting fork drives the left upper mesh connecting block and the left upper mesh to slide in the groove of the triangular mother plate, and the left upper mesh is separated from the left lower mesh.
3. The dynamic two-stage stitch control mechanism in a computerized flat knitting machine according to claim 2, wherein the transmission mechanism comprises a transmission sub-mechanism, a two-stage stitch pull rod guide seat and a left two-stage stitch pull rod, the left two-stage stitch pull rod is arranged below the two-stage stitch pull rod guide seat, the left end of the right lever is arranged below the long waist hole above the two-stage stitch pull rod guide seat and is placed in the groove of the left two-stage stitch pull rod, the left two-stage stitch pull rod is connected with the transmission sub-mechanism, the left two-stage stitch shift fork is rotatably connected to the transmission sub-mechanism, when the left end of the right lever swings, the left two-stage stitch pull rod is driven to move in the groove of the two-stage stitch pull rod guide seat, and the left two-stage stitch pull rod drives the left two-stage stitch shift fork to rotate, and the groove width of the left two-stage stitch pull rod is larger than the diameter of the sixth bearing.
4. The dynamic two-stage stitch control mechanism in computerized flat knitting machine according to claim 3, wherein a bearing pin is provided below the left end of the right lever, a sixth bearing is connected below the bearing pin, and the bearing pin and the sixth bearing pass through the long waist hole above the guide seat of the two-stage stitch pull rod and are placed in the groove of the left two-stage stitch pull rod.
5. The dynamic two-stage stitch control mechanism in the computerized flat knitting machine according to claim 3, wherein a tension rod compression spring is arranged between the left two-stage stitch tension rod and the two-stage stitch tension rod guide seat.
6. The dynamic two-stage stitch control mechanism in computerized flat knitting machine according to claim 3, wherein the transmission sub-mechanism comprises a left lower stitch connecting block, a second bearing and a fork pin shaft, a sliding groove is arranged at the rear side of the left second stitch pull rod, a shifting fork pin shaft is arranged at one side of the left lower stitch connecting block, the rear end of the left second stitch shifting fork is rotatably connected with the shifting fork pin shaft, the second bearing is arranged at one end of the front side of the left second stitch shifting fork, and the second bearing slides in the sliding groove of the left second stitch pull rod.
7. The dynamic two-stage stitch control mechanism in a computerized flat knitting machine according to claim 1, wherein the right double-deck stitch cam unit is provided with a right lower stitch connecting block, the fourth bearing is mounted on the right lower stitch connecting block, and an outer surface of the fourth bearing abuts against an inner track surface of the two-stage stitch cam.
8. The dynamic two-stage stitch control mechanism in the computerized flat knitting machine according to claim 7, wherein a right stitch clip swing rod is further installed on the lower right stitch connecting block, a fifth bearing is installed on the right stitch clip swing rod, a butt stitch clip compression spring is arranged between the right stitch clip swing rod and the lower right stitch connecting block, the fifth bearing swings around a fixed pin screw under the elasticity of the stitch clip compression spring, and the fifth bearing abuts against the outer side of the inner track surface.
9. The dynamic two-step stitch control mechanism in the computerized flat knitting machine according to claim 7, wherein the right double-layer stitch cam assembly is further provided with a right two-step stitch shift fork, the right two-step stitch shift fork is rotatably connected to a right lower stitch connecting block, a third bearing is mounted on a right upper stitch connecting block and the third bearing is clamped in a U-shaped groove of the right two-step stitch shift fork, and the right assembly two comprises a right lower stitch, a right upper stitch connecting block, a right upper stitch and a right upper stitch connecting block.
10. The dynamic two-step stitch control mechanism in a computerized flat knitting machine according to claim 1, wherein the lower portion of the right end of the right lever is connected to the first bearing through an eccentric lever bearing pin, the position of the first bearing is adjusted by the eccentric lever bearing pin, and the outer surface of the first bearing abuts against the outer trajectory surface of the right two-step stitch cam.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920728695.3U CN210314706U (en) | 2019-05-21 | 2019-05-21 | Dynamic two-step stitch control mechanism in computerized flat knitting machine |
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| CN201920728695.3U CN210314706U (en) | 2019-05-21 | 2019-05-21 | Dynamic two-step stitch control mechanism in computerized flat knitting machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110129975A (en) * | 2019-05-21 | 2019-08-16 | 宁波慈星股份有限公司 | A kind of dynamic two sections of degree mesh control mechanisms in Computerized flat knitting machine |
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2019
- 2019-05-21 CN CN201920728695.3U patent/CN210314706U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110129975A (en) * | 2019-05-21 | 2019-08-16 | 宁波慈星股份有限公司 | A kind of dynamic two sections of degree mesh control mechanisms in Computerized flat knitting machine |
| CN110129975B (en) * | 2019-05-21 | 2024-02-09 | 宁波慈星股份有限公司 | Dynamic two-stage stitch control mechanism in computerized flat knitting machine |
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