CN110129975B - Dynamic two-stage stitch control mechanism in computerized flat knitting machine - Google Patents
Dynamic two-stage stitch control mechanism in computerized flat knitting machine Download PDFInfo
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- CN110129975B CN110129975B CN201910422775.0A CN201910422775A CN110129975B CN 110129975 B CN110129975 B CN 110129975B CN 201910422775 A CN201910422775 A CN 201910422775A CN 110129975 B CN110129975 B CN 110129975B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 44
- 238000009940 knitting Methods 0.000 title claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims description 27
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 5
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- 230000000712 assembly Effects 0.000 abstract description 4
- 238000000429 assembly Methods 0.000 abstract description 4
- 230000011218 segmentation Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 239000004744 fabric Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 208000002513 Flank pain Diseases 0.000 description 1
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Classifications
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/32—Cam systems or assemblies for operating knitting instruments
- D04B15/36—Cam systems or assemblies for operating knitting instruments for flat-bed knitting machines
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Abstract
The invention discloses a dynamic two-section mesh control mechanism in a computerized flat knitting machine, which comprises a triangular motherboard, wherein a left two-section mesh cam, a right two-section mesh cam, a left lever and a right lever are arranged on the triangular motherboard, a triangular motherboard groove is formed in the triangular motherboard, and a motor drives the right two-section mesh cam to rotate so as to control the dynamic mesh of a right double-layer mesh triangular component and the two-section mesh of a left double-layer mesh triangular component; and otherwise, the left two-section stitch cam is driven by the motor to rotate so as 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 invention adds the segmentation function based on the dynamic degree purpose, so that the upper stitch cam and the lower stitch cam can relatively move, the coil adjusting range of the stitch cam is enlarged, and the complex flower shape with the size of the adjacent coil being changed severely can be realized. In the knitting process, the action switching of the left and right double-layer stitch cam assemblies is alternately controlled by the two motors, so that the motors are prevented from heating, and the service life of the motors is prolonged.
Description
Technical Field
The invention relates to the field of computerized flat knitting machines, in particular to a dynamic two-section stitch control mechanism in a computerized flat knitting machine.
Background
The stitch device is an important component for controlling the density of the fabric in the flat knitting machine, and is compliant with the knitting of various density values of the fabric by realizing the dynamic stitch, but the requirement of the current market on the fabric cannot be met only by the dynamic stitch. The segmentation function is added on the basis of the dynamic degree purpose, the development trend of the traditional flat knitting machine is that the two-stage degree can be used for knitting a wider range of density, so that different customer requirements are met, more knitting needle dynamic states are realized by matching with other triangular motions, the practicability of the flat knitting machine is greatly improved, the dynamic two-stage degree structure on the market is relatively complex, in the knitting process, the switching between the dynamic degree of the left and right double-stage degree triangular components and the switching between the two-stage degree are controlled by adopting the same motor respectively, so that the motor is always in a working state, and the service life of the motor is greatly shortened. There are also additional independent motor structures that are dedicated to adding two-stage functionality, thus increasing cost and space.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art, and provides a dynamic two-section stitch control mechanism in a computerized flat knitting machine, which completes the dynamic stitch and the two-section stitch of a double-layer stitch cam assembly through the cooperation of the prior two motors under the condition of not increasing the motors.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the dynamic two-section stitch control mechanism in the computerized flat knitting machine comprises a triangle motherboard, wherein a left two-section stitch cam, a right two-section stitch cam, a left lever and a right lever are arranged on the triangle motherboard, triangle motherboard grooves are formed in the left lever and the right lever, the left lever and the right lever are arranged in a crossing manner, the right end part of the left lever is connected with a right double-layer stitch cam assembly, and the left end part 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 with the right end part of the right lever, the left end part of the right lever drives the left component I of the left double-layer stitch cam component to slide in the corresponding triangle motherboard groove, and the left upper stitch and the left lower stitch of the left double-layer stitch cam component are separated to form two-section stitch; when the inner track surface of the right two-section cam is abutted with the right double-layer stitch cam assembly, a second right assembly of the right double-layer stitch cam assembly slides in a corresponding triangle motherboard groove, and an upper right stitch and a lower right stitch of the right double-layer stitch cam assembly slide in the triangle motherboard groove together to form a dynamic stitch;
when the outer track surface of the left two-section stitch cam is abutted with the left end part of the left lever, the right end part of the left lever drives the first right component of the right double-layer stitch cam component to slide in the corresponding triangle motherboard groove, and the upper right stitch and the lower right stitch of the right double-layer stitch cam component are separated to form two-section stitch; when the inner track surface of the left two-section cam is abutted with the left double-layer stitch cam assembly, a left assembly II of the left double-layer stitch cam assembly slides in a corresponding cam mother board groove; the left upper stitch and the left lower stitch of the left double-layer stitch triangle component slide in the triangle motherboard groove together to form a dynamic stitch;
the left lever and the right lever are controlled in a crossing way, namely the right two-section degree cam controls the right lever, and the left two-section degree cam controls the left lever to realize the two-section degree.
Further, the left double-layer mesh triangle component comprises a transmission mechanism, an upper left mesh connecting block, an upper left mesh, a lower left mesh and a third bearing, the first left component comprises an upper left mesh connecting block and an upper left mesh, the left end part of the right lever is connected with the transmission mechanism, the transmission mechanism is provided with a rotatable left two-section mesh shifting fork, the third bearing is arranged on the upper left mesh connecting block and is clamped in a U-shaped groove of the left two-section mesh shifting fork, and the upper left mesh is connected with the upper left mesh connecting block; when the transmission mechanism drives the left two-section stitch shifting fork to rotate, the left two-section stitch shifting fork drives the left upper stitch connecting block and the left upper stitch to slide in the triangle motherboard groove, and the left upper stitch is separated from the left lower stitch.
Further, the transmission mechanism comprises a transmission sub-mechanism, a two-section mesh pull rod guide seat and a left two-section mesh pull rod, the left two-section mesh pull rod is arranged below the two-section mesh pull rod guide seat, a long waist hole above the two-section mesh pull rod guide seat is arranged below the left end part of the right lever and is arranged in a groove of the left two-section mesh pull rod, the left two-section mesh pull rod is connected with the transmission sub-mechanism, the left two-section mesh pull rod is rotationally connected on the transmission sub-mechanism, when the left end part of the right lever swings, the left two-section mesh pull rod is driven to move in the groove of the two-section mesh pull rod guide seat, and the left two-section mesh pull rod drives the left two-section mesh pull rod to rotate, and the width of the groove of the left two-section mesh pull rod is larger than the diameter of the sixth bearing.
Further, 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 two-section-size pull rod guide seat and are placed in a groove of the left two-section-size pull rod.
Further, a pull rod pressure spring is arranged between the left two-section tension rod and the two-section tension rod guide seat.
Further, the transmission sub-mechanism comprises a left lower-degree connecting block, a second bearing and a fork pin shaft, a sliding groove is formed in the rear side of the left two-section degree pull rod, a fork pin shaft is arranged on one side of the left lower-degree connecting block, the rear end of the left two-section degree fork is rotationally connected with the fork pin shaft, a second bearing is arranged at one end of the front side of the left two-section degree fork, and the second bearing slides in the sliding groove of the left two-section degree pull rod.
Further, the right double-layer stitch cam assembly is provided with a right lower stitch connecting block, a fourth bearing is arranged on the right lower stitch connecting block, and the outer surface of the fourth bearing is abutted to the inner side of an inner track surface of the two-section stitch cam.
Further, a right stitch clip swing rod is further installed on the right lower stitch connecting block, a fifth bearing is installed on the right stitch clip swing rod, an abutting stitch clip pressure spring is arranged between the right stitch clip swing rod and the right lower stitch connecting block, the fifth bearing swings around a fixed pin screw under the elasticity of the stitch clip pressure spring, and the fifth bearing abuts against the outer side of the inner track surface.
Further, the right double-layer stitch cam assembly is further provided with a right two-section stitch shifting fork, the right two-section stitch shifting fork is rotationally connected to the right lower stitch connecting block, a third bearing is arranged on the right upper stitch connecting block and is clamped in a U-shaped groove of the right two-section stitch shifting fork, the right assembly II comprises a right lower stitch and a right upper stitch, the right upper stitch connecting block is connected with the right upper stitch connecting block.
Further, the lower part of the right end part of the right lever is connected with a first bearing through a lever eccentric shaft bearing pin, the position of the first bearing is adjusted through the lever eccentric shaft bearing pin, and the outer surface of the first bearing is abutted against the outer track surface of the right two-section cam.
The left and right double-layer degree assemblies are symmetrically arranged, but the left and right double-layer degree assemblies cannot act simultaneously, when the left double-layer degree assembly acts, the dynamic degree of the left double-layer degree assembly is controlled by a left double-section degree cam, and the double-section degree of the left double-layer degree assembly is controlled by a right cam; when the left and right two-stage degree cams simultaneously act to control the left double-layer degree assembly to dynamically move the two-stage degree, the right double-layer degree assembly is similarly operated.
By adopting the technical scheme of the invention, the beneficial effects of the invention are as follows: compared with the prior art, the invention has the advantages that the segmentation function is added on the basis of the dynamic degree, so that the upper stitch cam and the lower stitch cam can relatively move, the coil adjusting range of the stitch cam is enlarged, and the complex flower shape with the severe change of the sizes of adjacent coils can be realized. In the knitting process, the action switching of the left and right double-layer stitch cam assemblies is alternately controlled by the two motors, so that the motors are prevented from heating, and the service life of the motors is prolonged. The invention completes the dynamic two-section stitch of the double-stitch cam assembly by the cooperation rotation of the left cam and the right cam.
Drawings
FIG. 1 is a perspective view of a dynamic two-stage stitch control mechanism in a computerized flat knitting machine provided by the invention;
FIG. 2 is a front view of a dynamic two-stage stitch control mechanism in the computerized flat knitting machine provided by the invention;
FIG. 3 is a rear view of the dynamic two-stage stitch control mechanism in the computerized flat knitting machine according to the present invention, showing the unsegmented state of the upper and lower stitch;
FIG. 4 is a view showing the sectional states of the left side and the lower stitch 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 provided by the invention;
FIG. 6 is a perspective view of the internal structure of the dynamic two-stage stitch control mechanism in the computerized flat knitting machine according to the present invention;
FIG. 7 is a schematic view of right inner and outer track surfaces of a sectional cam of a dynamic two-section stitch control mechanism in the computerized flat knitting machine;
FIG. 8 is a sectional stitch control structure elevation view of a dynamic two-stage stitch control mechanism in the computerized flat knitting machine provided by the invention;
FIG. 9 is a schematic diagram of the internal structure of the upper and lower stitch on the left side of the dynamic two-stage stitch control mechanism in the computerized flat knitting machine provided by the invention;
FIG. 10 is a right side stitch elevation view of a dynamic two-stage stitch control mechanism in a computerized flat knitting machine provided by the invention;
FIG. 11 is a schematic diagram showing the control of the inner and outer track surfaces of the two-segment cam on the right side of the dynamic two-segment cam control mechanism in the computerized flat knitting machine;
fig. 12 is a schematic diagram 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.
The cam plate, 101, the cam plate groove, 2, the left two-stage cam, 3, the right two-stage cam, 4, the left lever, 5, the right lever, 501, the right lever right end, 502, the right lever left end, 6, the left two-stage cam assembly, 7, the right two-stage cam assembly, 8, the lever shaft, 9, the two-stage tie rod guide seat, 10, the first bearing, 11, the tie rod compression spring, 12, the left two-stage tie rod, 13, the second bearing, 14, the left two-stage shift fork, 15, the shift pin, 16, the left lower stage, 17, the third bearing, 18, the left upper stage tie block, 19, the left upper stage mesh, 20, the bearing pin, 21, the right lower stage tie block, 22, the fourth bearing, 23, the fifth bearing, 24, the right lower stage mesh, 25, the right upper stage tie block, 26, 27, the right stage mesh clip, 28, the fixed pin, 29, the left eccentric bearing pin, 31, the left lower stage tie rod, 32, the sixth bearing, the inner track, the outer track, the inner track, and the outer track.
Detailed Description
Specific embodiments of the present invention will be further described with reference to the accompanying drawings.
The invention adds the segmentation function based on the dynamic degree purpose, so that the upper stitch cam and the lower stitch cam can relatively move, the coil adjusting range of the stitch cam is enlarged, and the complex flower shape with the size of the adjacent coil being changed severely can be realized. The dynamic degree and the two-section degree of the double-layer degree triangle component can be achieved by the rotation of one cam through the position relation and the cooperation between the inner track surface and the outer track surface in the cam and the lever effect under the condition that the motor is not increased. In addition, in the structure, the switching between the dynamic state meshes of the left double-layer mesh triangular assembly 6 and the dynamic state meshes of the right double-layer mesh triangular assembly 7 and the switching between the two-section mesh meshes are respectively controlled by two motors in an alternating manner, so that the rest time of the motors is shortened, the motors are prevented from generating heat, the service lives of the motors are prolonged, and the structure is stable and reliable, and the operation efficiency is high.
As shown in the figure, a dynamic two-section stitch control mechanism in a computerized flat knitting machine comprises a triangle motherboard 1, wherein a left two-section stitch cam 2, a right two-section stitch cam 3, a left lever 4 and a right lever 5 are arranged on the triangle motherboard 1, triangle motherboard grooves 101 are formed in the triangle motherboard, 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 the external track surface of the right two-section cam 3 is abutted to the right end 501 of the right lever, the left end 502 of the right lever drives the first left component of the left double-layer stitch cam component 6 to slide in the corresponding triangle motherboard groove 101, the upper left stitch of the left double-layer stitch cam component 6 is separated from the lower left stitch to form a two-section stitch, and when the internal track surface of the right two-section cam 3 is abutted to the right double-layer stitch cam component 7, the right double-layer stitch cam component 7 slides in the second right component of the corresponding triangle motherboard groove 101, and the upper right stitch and the lower right stitch of the right double-layer stitch cam component 7 slide in the triangle motherboard groove 101 together to form a dynamic stitch.
When the outer track surface of the left two-section cam 2 is abutted with the left end part of the left lever, the right end part of the left lever drives the right component I of the right double-layer stitch cam component 7 to slide in the corresponding triangle motherboard groove 101, and the upper right stitch and the lower right stitch of the right double-layer stitch cam component 7 are separated to form two-section stitch; when the inner track surface of the left two-section cam 2 is abutted against 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 cam mother board groove 101, and the left upper stitch and the left lower stitch of the left double-layer stitch cam assembly 6 slide in the cam mother board groove 101 together to form a dynamic stitch;
the left lever 4 and the right lever 5 are controlled in a crossed manner, namely the right two-section cam controls the right lever, and the left two-section cam controls the left lever to realize the two-section cam.
Spiral bulges are arranged below the left two-section cam 2 and the right two-section cam 3, the spiral bulges are provided with inner track surfaces and outer sides 34 and inner track surfaces and the edges of the left two-section cam 2 and the right two-section cam 3 are outer track surfaces 33.
The first left component comprises a left upper degree mesh connecting block and a left upper degree mesh, the second left component comprises a left upper degree mesh connecting block, a left lower degree mesh and a left upper degree mesh, the first right component comprises a right upper degree mesh connecting block and a right upper degree mesh, and the second right component comprises a right lower degree mesh and a right upper degree mesh 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 axle center.
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, wherein the left end 502 of the right lever is connected with the transmission mechanism, the transmission mechanism is provided with a rotatable left two-section stitch shifting fork 14, the third bearing 17 is arranged on the upper left stitch connecting block 18, the third bearing 17 is clamped in a U-shaped groove of the left two-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 triangle motherboard groove 101, and the left upper stitch 19 is separated from the left lower stitch 16.
The transmission mechanism comprises a transmission sub-mechanism, a two-section mesh pull rod guide seat 9 and a left two-section mesh pull rod 12, wherein the left two-section mesh pull rod 12 is arranged below the two-section mesh pull rod guide seat 9, a long waist hole above the two-section mesh pull rod guide seat 9 is arranged below a right lever left end part 502 and is arranged in a groove of the left two-section mesh pull rod 12, the left two-section mesh pull rod 12 is connected with the transmission sub-mechanism, a left two-section mesh shifting fork 14 is rotationally connected to the transmission sub-mechanism, when the right lever left end part 502 swings, the left two-section mesh pull rod 12 is driven to move in the groove of the two-section mesh pull rod guide seat 9, and the left two-section mesh pull rod 12 drives a left two-section mesh shifting fork 14 to rotate.
The bearing pin 20 is arranged below the left end 502 of the right lever, the 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 mesh pull rod guide seat 9 and are placed in a groove of the left two-section mesh pull rod 12. When the lever swings, the left two-section mesh pull rod 12 is driven to move in the groove of the two-section mesh pull rod guide seat 9, and the width of the groove of the left two-section mesh pull rod 12 is larger than the diameter of the sixth bearing 32.
A pull rod pressure spring 11 is arranged between the left two-section mesh pull rod 12 and the two-section mesh pull rod guide seat 9.
The transmission sub-mechanism comprises a left lower-section mesh connecting block 31, a second bearing 13 and a fork pin shaft 15, a sliding groove is formed in the rear side of the left two-section mesh pull rod 12, the fork pin shaft 15 is arranged on one side of the left lower-section mesh connecting block 31, the rear end of the left two-section mesh fork 14 is rotationally connected with the fork pin shaft 15, the second bearing 13 is arranged at one end of the front side of the left two-section mesh fork 14, and the second bearing 13 slides in the sliding groove of the left two-section mesh pull rod 12.
The right double-layer stitch cam assembly 7 is provided with a right lower stitch connecting block 21, a fourth bearing 22 is arranged on the right lower stitch connecting block 21, and the outer surface of the fourth bearing 22 is abutted against the inner side of an inner track surface of the two-section stitch cam.
The right lower stitch connecting block 21 is further provided with a right stitch clip swing rod 27, the right stitch clip swing rod 27 is provided with a fifth bearing 23, an abutting stitch clip pressure spring 29 is arranged between the right stitch clip swing rod 27 and the right lower stitch connecting block 21, the fifth bearing 23 swings around a fixed pin screw 28 under the elasticity of the stitch clip pressure spring 29, and the fifth bearing 23 abuts against the outer side of the inner track surface.
The right double-layer stitch cam assembly 7 is further provided with a right two-section stitch shifting fork, the right two-section stitch shifting fork is rotationally connected to the right lower stitch connecting block 21, the third bearing 17 is installed on the right upper stitch connecting block 26, the third bearing 17 is clamped in the U-shaped groove of the right two-section stitch shifting fork, the right lower stitch 24 is connected with the triangle motherboard 1, and the right upper stitch 25 is connected with the right upper stitch 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 on the outer track surface of the right two-section cam 3.
In the knitting process, the left double-layer stitch cam assembly 6 and the right double-layer stitch cam assembly 7 are alternate action processes. Fig. 7 shows the relative position relationship between the inner track surface and the outer track surface of the right two-section cam 3, the motor drives the right two-section cam 3 to rotate, so as to control the dynamic degree of the right double-layer stitch cam assembly 7 and the sectional degree of the left double-layer stitch cam assembly 6, whereas the left two-section cam 2 is driven by the motor to rotate so as to control the sectional degree of the left double-layer stitch cam assembly 6 and the dynamic degree of the right double-layer stitch cam assembly 7.
The invention takes the rotation of the right two-section cam 3 as an example:
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 can be finely adjusted through the lever eccentric bearing pin 30, and the outer surface of the first bearing 10 is always abutted against the outer track surface of the right two-section cam 3.
The outer track surface 33 of the right two-segment cam 3 has an effective range of convex segments 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 cam 3, the right two-section cam 3 rotates anticlockwise under the drive of the motor. The right end 501 of the right lever swings outwards with the lever rotating shaft 8 as a rotating center, and the corresponding left end 502 of the right lever swings in the opposite direction, and simultaneously drives the left two-section tension rod 12 to slide in the same direction in the sliding groove of the two-section tension rod guide seat 9 against the elastic force of the tension rod pressure spring 11. The second bearing 13 is clamped in a chute of the left two-section mesh pull rod 12, moves together with the left two-section mesh pull rod 12 in the same direction, and the left two-section mesh shifting fork 14 can rotate around the shifting fork pin shaft 15 to drive the left upper-section mesh connecting block 18 and the left upper-section mesh 19 to slide in the triangle motherboard groove 101 together, so that the left lower-section mesh 16 is separated, and the two-section mesh is realized.
On the contrary, the right two-section stitch cam 3 is driven by the motor to rotate clockwise, and the left upper stitch 19 which is originally separated from the left lower stitch 16 is reset under the cooperation of the elastic force of the pull rod pressure spring 11, and the two-section stitch is withdrawn.
The fourth bearing 22 is always abutted against the inner side of the inner track surface of the right two-section cam 3, and the acting range of the inner track surface of the right two-section cam 3 is a convex section C-D section. The fixing pin screw 8 is mounted on the right lower mesh connection block 21. The right eye clamp swing link 27 to which the fifth bearing 23 is mounted can swing around the fixing pin screw 28. In the C-D section, the fifth bearing 23 is directly in contact with the inner track surface outer side 34 under the stitch compression spring 29. The two-side clamping mode is adopted, so that the lower right stitch 24, the upper right stitch 25 and the upper right stitch connecting block 26 slide in the triangle motherboard groove 101 more stably, the fabric quality 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 is abutted with the convex section C-D of the track surface in the right two-section cam 3, the right two-section cam 3 rotates clockwise under the drive of the motor, and the right double-layer stitch cam assembly 7 slides upwards stably in the cam master groove 101 and exits from the working position.
On the contrary, the right two-section stitch cam 3 is driven by the motor to rotate anticlockwise, the right double-layer stitch cam assembly 7 steadily slides downwards in the cam mother board groove 101, and the position is determined according to different density requirements of fabrics.
When the outer surface of the fourth bearing 22 is abutted against the inner C-E section of the inner track surface of the right two-section cam 3, the outer surface of the corresponding first bearing 10 is just abutted against the outer track surface 33A-B section of the right two-section cam, at this time, the right double-layer stitch cam assembly 7 is in a static state, and the left double-layer stitch cam assembly 6 starts two-section stitch.
Note that the above is only a preferred embodiment of the present invention and the technical principle 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, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
Claims (10)
1. The dynamic two-section stitch control mechanism in the computerized flat knitting machine is characterized by comprising a triangle motherboard, wherein a left two-section stitch cam, a right two-section stitch cam, a left lever and a right lever are arranged on the triangle motherboard and are provided with triangle motherboard grooves, the left lever and the right lever are arranged in a crossing manner, the right end part of the left lever is connected with a right double-layer stitch cam assembly, and the left end part 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 with the right end part of the right lever, the left end part of the right lever drives the left component I of the left double-layer stitch cam component to slide in the corresponding triangle motherboard groove, and the left upper stitch and the left lower stitch of the left double-layer stitch cam component are separated to form two-section stitch; when the inner track surface of the right two-section cam is abutted with the right double-layer stitch cam assembly, a second right assembly of the right double-layer stitch cam assembly slides in a corresponding triangle motherboard groove, and an upper right stitch and a lower right stitch of the right double-layer stitch cam assembly slide in the triangle motherboard groove together to form a dynamic stitch;
when the outer track surface of the left two-section stitch cam is abutted with the left end part of the left lever, the right end part of the left lever drives the first right component of the right double-layer stitch cam component to slide in the corresponding triangle motherboard groove, and the upper right stitch and the lower right stitch of the right double-layer stitch cam component are separated to form two-section stitch; when the inner track surface of the left two-section cam is abutted with the left double-layer stitch cam assembly, a left assembly II of the left double-layer stitch cam assembly slides in a corresponding cam mother board groove, and the left upper stitch and the left lower stitch of the left double-layer stitch cam assembly slide in the cam mother board groove together to form a dynamic stitch;
the left lever and the right lever are controlled in a crossing way, namely the right two-section degree cam controls the right lever, and the left two-section degree cam controls the left lever to realize the two-section degree.
2. The dynamic two-section mesh control mechanism in a computerized flat knitting machine according to claim 1, wherein the left double-layer mesh triangle component comprises a transmission mechanism, an upper left mesh connecting block, an upper left mesh, a lower left mesh and a third bearing, the first left component comprises an upper left mesh connecting block and an upper left mesh, the left end part of the right lever is connected with the transmission mechanism, the transmission mechanism is provided with a rotatable left two-section mesh shifting fork, the third bearing is arranged on the upper left mesh connecting block and the third bearing is clamped in a U-shaped groove of the left two-section mesh shifting fork, and the upper left mesh is connected with the upper left mesh connecting block; when the transmission mechanism drives the left two-section stitch shifting fork to rotate, the left two-section stitch shifting fork drives the left upper stitch connecting block and the left upper stitch to slide in the triangle motherboard groove, and the left upper stitch is separated from the left lower stitch.
3. The dynamic two-section mesh control mechanism in a computerized flat knitting machine according to claim 2, wherein the transmission mechanism comprises a transmission sub-mechanism, a two-section mesh pull rod guide seat and a left two-section mesh pull rod, the left two-section mesh pull rod is arranged below the two-section mesh pull rod guide seat, the lower part of the left end part of the right lever is arranged in a long waist hole above the two-section mesh pull rod guide seat and is arranged in a groove of the left two-section mesh pull rod, the left two-section mesh pull rod is connected with the transmission sub-mechanism, the left two-section mesh pull rod is rotationally connected on the transmission sub-mechanism, when the left end part of the right lever swings, the left two-section mesh pull rod is driven to move in the groove of the two-section mesh pull rod guide seat, and the left two-section mesh pull rod drives the left two-section mesh pull rod to rotate, and the groove width of the left two-section mesh pull rod is larger than the diameter of the sixth bearing.
4. The dynamic two-stage mesh control mechanism for a computerized flat knitting machine according to claim 3, wherein a bearing pin is arranged 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 a long waist hole above the two-stage mesh pull rod guide seat and are placed in a groove of the left two-stage mesh pull rod.
5. The dynamic two-stage mesh control mechanism for computerized flat knitting machine according to claim 3, wherein a tension rod compression spring is arranged between the left two-stage mesh tension rod and the two-stage mesh tension rod guide seat.
6. The dynamic two-stage mesh control mechanism in a computerized flat knitting machine according to claim 3, wherein the transmission sub-mechanism comprises a left lower-stage mesh connecting block, a second bearing and a fork pin, a sliding groove is arranged on the rear side of the left two-stage mesh pull rod, a fork pin is arranged on one side of the left lower-stage mesh connecting block, the rear end of the left two-stage mesh fork is rotationally connected with the fork pin, a second bearing is arranged at one end of the front side of the left two-stage mesh fork, and the second bearing slides in the sliding groove of the left two-stage mesh pull rod.
7. The dynamic two-segment stitch control mechanism in a computerized flat knitting machine as claimed in claim 1, wherein the right double-layer stitch cam assembly is provided with a right lower stitch connecting block, the fourth bearing is mounted on the right lower stitch connecting block, and the outer surface of the fourth bearing is abutted against the inner side of the inner track surface of the two-segment stitch cam.
8. The dynamic two-stage stitch control mechanism in a computerized flat knitting machine according to claim 7, wherein a right stitch clip swing rod is further mounted on a right lower stitch connecting block, a fifth bearing is mounted on the right stitch clip swing rod, an abutting stitch clip compression spring is arranged between the right stitch clip swing rod and the right lower stitch connecting block, the fifth bearing swings around a fixing pin screw under the elasticity of the stitch clip compression spring, and the fifth bearing abuts against the outer side of an inner track surface.
9. The dynamic two-stage stitch control mechanism as in claim 7, wherein the right double-stage stitch cam assembly further comprises a right two-stage stitch fork rotatably connected to the right lower stitch connecting block, the third bearing is mounted on the right upper stitch connecting block and the third bearing is clamped in the U-shaped slot of the right two-stage stitch fork, and the right assembly II comprises a right lower stitch, a right upper stitch connecting block, and a right upper stitch and right upper stitch connecting block.
10. The dynamic two-stage cam control mechanism for computerized flat knitting machine according to claim 1, wherein the lower part of the right end 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-stage cam.
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| CN114622336B (en) * | 2022-04-12 | 2023-08-15 | 宁波慈星股份有限公司 | Two-section mesh control mechanism of flat knitting machine |
| CN114622338B (en) * | 2022-04-12 | 2023-09-12 | 宁波慈星股份有限公司 | Control system in machine head of flat knitting machine |
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