Multifunctional circular knitting machine

Abstract

The present application relates to the field of disc knitting equipment, and particularly relates to a multifunctional disc knitting machine, which has the functions of multi-purpose and online dynamic adjustment, and comprises a rack, a control system, a transmission box, a driving motor, a first transmission shaft, a second transmission shaft, a first transmission assembly, a second transmission assembly, a large disc gear, a large Ding gear, a first gear, a second gear, a large disc, a large Ding, a first connecting piece, a second connecting piece, a bearing, a needle disc seat, a needle, a locking assembly, a needle cylinder, a needle disc, a lower cam seat bottom ring, a lower cam seat, a lower cam, an upper cam seat, an upper cam, a lower knitting needle, an upper knitting needle, a lower jacquard piece, an upper jacquard piece, a lower selector bottom ring, a lower selector, an upper selector, a lower thread adjusting motor, an upper thread adjusting motor, a color changing head, a fabric winding assembly and a middle section dust removal assembly; the transmission box is arranged on the rack, the first transmission shaft is rotatably arranged on the transmission box, and the driving motor is connected with the first transmission shaft through the first transmission assembly.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of disc knitting equipment, in particular to a multifunctional disc knitting machine. BACKGROUND

[0002] The conventional disc knitting machine has a needle bed, a cam seat and a knitting cam arranged on the cam seat, the needle bed is provided with slidable knitting needles, and the knitting needles are controlled to move by the knitting cam to knit the knitted fabric with various structures such as jacquard, tuck, loop transfer, etc.

[0003] In use, according to different styles of knitted fabric, such as cotton flannel, terry cloth, thread cloth, mesh cloth and other fabrics, corresponding disc knitting machines are selected for knitting. For small-scale textile factories, the functions of the knitting machines they purchase are single, which limits the styles of knitted fabric in the business orders they receive. To expand the production range, they need to purchase different types of disc knitting machines, which greatly increases the production cost. Moreover, during knitting, the disc knitting machine needs to adjust the presser cam according to the change of knitting structure. For example, when knitting seamless underwear, the body piece and the lower hem part of the seamless underwear have different knitting structures, so the presser cam must be moved for adjustment. Meanwhile, the thickness, color and pattern combination of the fabric need to adjust the speed of the equipment and the introduction of the yarn. The conventional disc knitting machine needs to rely on the experience of the operator, the adjustment accuracy is low, dynamic adjustment during knitting cannot be realized, the adjustment efficiency is low, and the production continuity is affected. SUMMARY

[0004] Therefore, in view of the above problems, the present application provides a multifunctional disc knitting machine which is multi-purpose and can be dynamically adjusted online.

[0005] To achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0006] A multifunctional disc knitting machine, comprising a rack, a control system, a transmission box, a driving motor, a first transmission shaft, a second transmission shaft, a first transmission assembly, a second transmission assembly, a large disc gear, a large pot gear, a first gear, a second gear, a large disc, a large pot, a first connecting piece, a second connecting piece, a bearing, a needle disc seat, a middle needle, a locking assembly, a needle cylinder, a needle disc, a lower cam seat bottom ring, a lower cam seat, a lower cam, an upper cam seat, an upper cam, a lower knitting needle, an upper knitting needle, a lower jacquard piece, an upper jacquard piece, a lower selector bottom ring, a lower selector, an upper selector, a lower thread adjusting motor, an upper thread adjusting motor, a color changing head, a fabric winding assembly and a middle section dust removal assembly.

[0007] The transmission box is mounted on the frame, the first transmission shaft is rotatably mounted on the transmission box, the drive motor is connected to the first transmission shaft through the first transmission assembly, the second transmission shaft is rotatably mounted on the frame, the first transmission shaft is connected to the second transmission shaft through the second transmission assembly, and the first gear and the second gear are respectively located on the upper and lower parts of the second transmission shaft;

[0008] The large disc is located in the middle of the frame. The lower needle selector is mounted on the large disc via a bottom ring. The large disc gear is rotatably mounted on the frame and meshes with the first gear. The needle cylinder is mounted on the large disc gear and has lower needle grooves distributed along its axial direction. The lower knitting needles and lower jacquard pieces are located in the lower needle grooves. The lower knitting needles are distributed on the upper side of the lower jacquard pieces and connected to them. The lower needle selector is connected to the lower jacquard pieces. The lower cam seat is mounted on the frame via a bottom ring. The lower cam is mounted on the lower cam seat and has a lower needle track for sliding the needle heel of the lower knitting needle. The lower yarn adjusting motor is mounted on the lower cam seat and connected to it. The fabric take-up assembly is mounted on the large disc gear and distributed on the lower side of the large disc gear. The mid-section dust removal assembly is located between the large disc gear and the fabric take-up assembly.

[0009] The large cauldron is located on the upper part of the frame. The large cauldron gear is rotatably mounted on the large cauldron. The needle plate seat is connected to the large cauldron gear through a first connecting member. The needle plate is located on the needle plate seat and has upper needle grooves distributed along its radial direction. The upper knitting needles and upper jacquard pieces are located in the upper needle grooves. The upper knitting needles are distributed on the outside of the upper jacquard pieces and connected to them. The second connecting member is sleeved on the first connecting member through a bearing. The center core is located on the second connecting member. The upper cam seat is located on the center core. The upper needle selector is located on the upper cam seat and connected to the upper jacquard pieces. The upper cam is located on the upper cam seat and has an upper knitting needle track for the needle heel of the upper knitting needle to slide. The upper yarn adjusting motor is located on the upper cam seat and connected to the upper cam. The second connecting member is connected to the large cauldron through a locking assembly. The color-changing head is located on the large cauldron and distributed around the needle plate.

[0010] Both the upper and lower triangles include a first pressure pin triangle and a second pressure pin triangle. Both the upper and lower triangle seats include a base, a slider, a knob, and a pin. The front of the base has a groove, and the back of the base has a through hole communicating with the groove. The upper or lower wire adjusting motor is located on the back of the base. The knob is located on the rotating shaft of the upper or lower wire adjusting motor and is distributed at the through hole. The front of the knob has a spiral track. The slider is slidably disposed in the groove. The back of the slider has a pin hole. The two axial ends of the pin are respectively embedded in the pin hole and the spiral track. The first pressure pin triangle is locked to the slider, and the second pressure pin triangle is locked to the base and is distributed on the lower side of the first pressure pin triangle.

[0011] The drive motor, upper needle selector, lower needle selector, upper thread adjustment motor, lower thread adjustment motor, color-changing head, fabric take-up assembly, and mid-section dust removal assembly are all electrically connected to the control system.

[0012] Furthermore, the control system includes a controller, a display screen, an input device, and a remote transmission device, all of which are electrically connected to the controller.

[0013] Furthermore, the upper end of the first connector is connected to the large ding gear by a first bolt, and the lower end of the first connector is connected to the needle plate seat by a second bolt. The needle plate seat has a recessed groove in the middle for the first connector to be inserted.

[0014] Furthermore, the large cauldron gear has a first through hole in the middle, and an inverted "U"-shaped mounting component is provided at the first through hole. The opening of the mounting component faces downward, and a second through hole is provided in the middle of the mounting component for the first connector to be inserted.

[0015] Furthermore, the upper part of the outer surface of the second connector is provided with an external thread, and the upper part of the cauldron and near the second connector is provided with a mounting groove. An anti-slip seat is embedded in the mounting groove, and the anti-slip seat is provided with a first internal thread that mates with the external thread.

[0016] Furthermore, the locking assembly includes a locking seat distributed on the upper side of the cauldron, a second internal thread disposed on the locking seat and engaging with the external thread, and a locking bolt connecting the locking seat and the cauldron.

[0017] Furthermore, a shaft hole is provided through the central axis of the knob, and a threaded hole communicating with the shaft hole is provided on the circumferential surface of the knob along its radial direction. An annular groove is recessed in the axial center of the circumferential surface of the knob.

[0018] Furthermore, the pin includes a median shaft, a first sleeve, and a second sleeve. The first sleeve and the second sleeve are rotatably fitted onto the axial ends of the median shaft via bearings. The first sleeve is embedded in a spiral track, and the second sleeve is embedded in a pin hole.

[0019] Furthermore, the second sleeve has an arc-shaped protrusion on its circumferential surface.

[0020] By adopting the aforementioned technical solution, the beneficial effects of this invention are as follows: This multi-functional circular knitting machine pre-designs the fabric thickness, color, pattern combination, and other organizational structures to be knitted. The required process parameters are programmed into the control system via an input device. According to the program, when the fabric thickness needs adjustment, the control system automatically reduces the machine speed and synchronously drives the upper and lower thread adjustment motors to adjust the feed and output of the upper and lower cams, respectively. This allows the machine to adjust the fabric density at any time and under any circumstances without any manual intervention. Furthermore, it allows for arbitrary process combinations with the upper and lower disc jacquard weaving, upper disc transfer loop picking, lower disc transfer loop picking, color-changing head, and fabric take-up components. These combinations can be single, multiple, or all functions combined together. The machine can freely switch between multiple combinations at any time to knit patterns. With a wider variety of knitted fabrics and more diverse applications, this machine offers multiple uses, reduces production costs, and enables online dynamic adjustment to improve production efficiency. Furthermore, the separate drive of the first and second drive shafts, with the first and second gears on the second drive shaft respectively engaging with the large disc gear, the large tripod gear, and the needle plate seat in a layered layout, allows for independent transmission of the needle cylinder and needle plate. This optimizes the power transmission path, reduces single-axis load, and minimizes vibration and wear. The independent mounting of the needle cylinder and needle plate on the large disc gear and large tripod gear avoids motion interference and improves knitting accuracy. The first and second connecting parts are connected by bearings, with the core located on the second connecting part for mounting the upper saddle. This results in a compact component layout, reducing space occupation, improving space utilization, and enhancing maintenance convenience. It also allows for the installation of more auxiliary accessories, facilitating intelligent upgrades to the equipment. Attached Figure Description

[0021] Figure 1 This is a cross-sectional structural diagram of an embodiment of the present invention;

[0022] Figure 2 This is a cross-sectional view of the embodiment of the present invention, omitting the fabric winding assembly and the mid-section dust removal assembly;

[0023] Figure 3 yes Figure 2 A magnified view of a section at point A in the middle;

[0024] Figure 4 This is a cross-sectional view of the lower delta mount, lower delta, and lower adjusting motor in an embodiment of the present invention.

[0025] Figure 5 This is a partial cross-sectional view of the knob in an embodiment of the present invention;

[0026] Figure 6 This is a front view structural diagram of the pin shaft in an embodiment of the present invention;

[0027] Figure 7 This is a schematic diagram of the right-side structure of the second sleeve in an embodiment of the present invention;

[0028] Figure 8 This is a front view structural diagram of the fabric take-up assembly in an embodiment of the present invention;

[0029] Figure 9 This is a front view structural diagram of the mid-section dust removal component in an embodiment of the present invention;

[0030] Figure 10 This is a circuit module diagram of an embodiment of the present invention.

[0031] Explanation of reference numerals in the attached figures:

[0032] 1. Frame; 2. Transmission box; 3. Drive motor; 4. First transmission shaft; 5. Second transmission shaft; 6. First transmission assembly; 7. Second transmission assembly; 8. Large disc gear; 9. Large tripod gear; 10. First gear; 11. Second gear; 12. Large disc; 13. Large tripod; 14. First connecting piece; 15. Second connecting piece; 16. Bearing; 17. Needle plate seat; 18. Middle core; 19. Locking assembly; 20. Syringe; 21. Needle plate; 22. Lower triangular seat base ring; 23. Lower triangular seat; 24. Lower triangular seat; 25. Upper triangular seat; 26. Upper triangular seat; 27. Bottom needle; 28. Top needle; 29. ​​Bottom jacquard piece; 30. Top jacquard piece; 31. Bottom needle selector base ring; 32. Bottom needle selector; 33. Top needle selector; 34. Bottom yarn adjusting motor; 35. Top yarn adjusting motor; 36. Color changing head; 37. Fabric take-up assembly; 38. Mid-section dust removal assembly; 39. Large lid; 40. Control system; 41. First bolt; 42. Second bolt; 43. Clearance groove; 44. First through hole; 45. Mounting piece; 46. Second through hole; 47. External thread; 48. Mounting groove; 49. Anti-slip seat; 50. First internal thread;

[0033] 101. First pressure pin triangle; 102. Second pressure pin triangle; 103. Base; 104. Slider; 105. Knob; 106. Pin; 107. Slide groove; 108. Through hole; 109. Helical track; 110. Pin hole; 111. Shaft hole; 112. Threaded hole; 113. Annular groove; 121. Intermediate shaft; 122. First sleeve; 123. Second sleeve; 124. Protrusion;

[0034] 201. First connecting rod; 202. Second connecting rod; 203. Telescopic rod; 301. Horizontal bar; 302. Diagonal bar; 401. Controller; 402. Display screen; 403. Input device; 404. Remote transmission device;

[0035] 191. Locking seat; 192. Second internal thread; 193. Locking bolt;

[0036] 371. Take-up frame; 372. Support shaft; 373. Bearing housing; 374. Take-up roller; 375. Take-up motor; 376. Clamping roller; 377. Adjustment assembly;

[0037] 381. First support rod; 382. Connecting seat; 383. Second support rod; 384. Dust removal roller. Detailed Implementation

[0038] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments.

[0039] The embodiments of the present invention are as follows:

[0040] refer to Figures 1 to 10 As shown, a multi-functional circular knitting machine includes a frame 1, a control system 40, a transmission box 2, a drive motor 3, a first transmission shaft 4, a second transmission shaft 5, a first transmission assembly 6, a second transmission assembly 7, a large disc gear 8, a large tripod gear 9, a first gear 10, a second gear 11, a large disc 12, a large tripod 13, a first connecting piece 14, a second connecting piece 15, a bearing 16, a needle plate seat 17, a center core 18, a locking assembly 19, a needle cylinder 20, a needle plate 21, a lower cam seat base ring 22, a lower cam seat 23, a lower cam 24, an upper cam seat 25, an upper cam 26, a lower knitting needle 27, an upper knitting needle 28, a lower jacquard piece 29, an upper jacquard piece 30, a lower needle selector base ring 31, a lower needle selector 32, an upper needle selector 33, a lower yarn adjusting motor 34, an upper yarn adjusting motor 35, a color-changing head 36, a fabric take-up assembly 37, and a mid-section dust removal assembly 38.

[0041] The transmission box 2 is mounted on the frame 1, the first transmission shaft 4 is rotatably mounted on the transmission box 2, the drive motor 3 is connected to the first transmission shaft 4 through the first transmission assembly 6, the second transmission shaft 5 is rotatably mounted on the frame 1, the first transmission shaft 4 is connected to the second transmission shaft 5 through the second transmission assembly 7, and the first gear 10 and the second gear 11 are respectively mounted on the upper and lower parts of the second transmission shaft 5.

[0042] The large disc 12 is located in the middle of the frame 1. The lower needle selector 32 is mounted on the large disc 12 via a lower needle selector base ring 31. The large disc gear 8 is rotatably mounted on the frame 1 and meshes with the first gear 10. The needle cylinder 20 is mounted on the large disc gear 8 and has lower needle grooves distributed along its axial direction. The lower knitting needles 27 and the lower jacquard piece 29 are located in the lower needle grooves. The lower knitting needles 27 are distributed on the upper side of the lower jacquard piece 29 and connected to it. The lower needle selector 32 and... The lower jacquard piece 29 is connected, the lower triangular seat 23 is mounted on the frame 1 via the lower triangular seat base ring 22, the lower triangle 24 is mounted on the lower triangular seat 23, the lower triangle 24 has a lower needle track for the needle heel of the lower needle 27 to slide, the lower yarn adjusting motor 34 is mounted on the lower triangular seat 23 and connected to the lower triangle 24, the fabric take-up assembly 37 is mounted on the large disc gear 8 and distributed on the lower side of the large disc gear 8, and the middle section dust removal assembly 38 is located between the large disc gear 8 and the fabric take-up assembly 37;

[0043] The large cauldron 13 is located on the upper part of the frame 1. The large cauldron gear 9 is rotatably mounted on the large cauldron 13. The needle plate seat 17 is connected to the large cauldron gear 9 via the first connecting member 14. The needle plate 21 is mounted on the needle plate seat 17. The needle plate 21 has upper needle grooves distributed along its radial direction. The upper knitting needles 28 and the upper jacquard piece 30 are located in the upper needle grooves. The upper knitting needles 28 are distributed on the outside of the upper jacquard piece 30 and connected to the upper jacquard piece 30. The second connecting member 15 is sleeved on the first connecting member 14 via the bearing 16. The middle kernel 18 is disposed on the second connecting member 15, the upper cam seat 25 is disposed on the core 18, the upper needle selector 33 is disposed on the upper cam seat 25 and connected to the upper jacquard piece 30, the upper cam 26 is disposed on the upper cam seat 25, the upper cam 25 has an upper needle track for sliding the needle heel of the upper needle, the upper yarn adjusting motor 35 is disposed on the upper cam seat 25 and connected to the upper cam 26, the second connecting member 15 is connected to the large cauldron 13 through the locking assembly 19, the color changing head 36 is disposed on the large cauldron 13 and distributed on the periphery of the needle plate 21;

[0044] The control system 40 includes a controller 401, a display screen 402, an input device 403, and a remote transmission device 404. The display screen 402, the input device 403, and the remote transmission device 404 are electrically connected to the controller 401. The drive motor 3, the upper needle selector 33, the lower needle selector 32, the upper thread adjusting motor 35, the lower thread adjusting motor 34, the color-changing head 36, the fabric take-up assembly 37, and the mid-section dust removal assembly 38 are electrically connected to the controller 401. The electrical connection methods and the equipment used are all existing technologies and will not be described in detail here.

[0045] The first transmission component 6 and the second transmission component 7 mentioned above are gear components or pulley components. In this embodiment, they are pulley components. In this embodiment, the remote transmission device 404 mentioned above is a Bluetooth transmission device or a WIFI transmission device. In this embodiment, it is a WIFI transmission device.

[0046] This multi-functional circular knitting machine allows for pre-designed fabric thickness, color, pattern combinations, and other structural elements. The required process parameters are programmed into the control system 40 via input device 403. The control system 40 automatically reduces the machine speed and synchronously drives the upper and lower thread adjustment motors 35 and 34 to adjust the feed and output of the upper and lower cams 26 and 24, respectively, without manual intervention. This allows the machine to adjust fabric density at any time and under any circumstances. Furthermore, it can be combined with various processes such as upper and lower disc jacquard weaving, upper and lower disc loop shifting and picking, color-changing head 36, and fabric take-up assembly 37. These processes can be combined individually, in multiple combinations, or all functions can be combined together. The machine can freely switch between these combinations at any time, resulting in a wider variety of patterns, richer variations, and broader applicability. This machine is designed for various knitted fabrics, enabling multiple uses and reducing production costs. It also allows for online dynamic adjustment, improving production efficiency. Furthermore, the separate drive of the first and second drive shafts 4 and 5, with the first gear 10 and second gear 11 on the second drive shaft 5 respectively engaging with the large disc gear 8, the large tripod gear 9, and the needle plate seat 17, allows for independent transmission of the needle cylinder 20 and needle plate 21. This optimizes the power transmission path, reduces single-axis load, and minimizes vibration and wear. The independent mounting of the needle cylinder 20 and needle plate 21 on the large disc gear 8 and large tripod gear 9 avoids motion interference and improves knitting accuracy. The first connecting piece 14 and the second connecting piece 15 are connected by a bearing 16, with the center core 18 mounted on the second connecting piece 15 for mounting the upper triangular seat 25. This results in a compact component layout, reducing space occupation, improving space utilization, and enhancing maintenance convenience. It also allows for the installation of more auxiliary accessories, facilitating intelligent upgrades to the equipment.

[0047] In this embodiment, the upper end cover of the frame 1 is provided with a large cauldron cover 39. The closed design prevents dust from entering the gear meshing area, ensures lubrication effect, reduces operating noise, and improves operational safety.

[0048] Furthermore, the upper end of the first connector 14 is connected to the large gear 9 via a first bolt 41, and the lower end of the first connector 14 is connected to the needle plate seat 17 via a second bolt 42. The needle plate seat 17 has a recessed relief groove 43 in the middle for the first connector 14 to be embedded. The bolt connection facilitates disassembly and maintenance, and the relief groove accurately positions the first connector 14, reducing installation errors. The split connection structure avoids welding deformation and extends the life of the components. In addition, the large gear 9 has a first through hole 44 in the middle, and an inverted "U"-shaped mounting structure is provided at the first through hole 44. The mounting member 45 has its opening facing downwards. The middle part of the mounting member 45 is provided with a second through hole 46 for the first connector 14 to be inserted. The U-shaped mounting member 45 forms a limiting structure to prevent the first connector 14 from radially shifting and improve transmission stability. The second through hole 46 cooperates with the relief groove 43 to achieve dual positioning, further reducing the impact of assembly tolerance. At the same time, the installation position of the first connector 14 can be changed by the first bolt 41 and the second bolt 42, thereby adjusting the height position of the needle plate seat 17. In this embodiment, the first connector 14 and the second connector 15 are tubular structures.

[0049] Furthermore, the upper part of the outer surface of the second connector 15 is provided with an external thread 47, and the upper part of the large cauldron 13 near the second connector 15 is provided with a mounting groove 48. An anti-slip seat 49 is embedded in the mounting groove 48. The anti-slip seat 49 is provided with a first internal thread 50 that mates with the external thread 47. The threaded engagement provides a self-locking function to prevent the second connector 15 from loosening due to high-speed rotation. The locking assembly 19 includes a locking seat 191 distributed on the upper side of the large cauldron 13, a second internal thread 192 provided on the locking seat 191 and mates with the external thread 47, and a locking bolt 193 connecting the locking seat 191 and the large cauldron 13. After the locking seat 191 is threadedly engaged with the second connector 15, it is locked to the large cauldron 13 by the locking bolt 193, forming a double fixation. The locking force can be adjusted to adapt to the vibration frequency under different working conditions and avoid resonance leading to structural failure.

[0050] In this embodiment, both the upper triangle 26 and the lower triangle 24 include a first pressure pin triangle 101 and a second pressure pin triangle 102. Both the upper triangle seat 25 and the lower triangle seat 23 include a base 103, a slider 104, a knob 105, and a pin 106. The front of the base 103 has a groove 107, and the back of the base 103 has a through hole 108 communicating with the groove 107. The upper wire adjusting motor 35 or the lower wire adjusting motor 34 is located on the back of the base 103, and the knob 105 is located on the lower wire adjusting motor 34. Alternatively, the knob 105 is located on the rotating shaft of the motor 35 and distributed at the through hole 108. The front of the knob 105 has a spiral track 109. The slider 104 is slidably disposed within the groove 107. The back of the slider 104 has a pin hole 110. The axial ends of the pin 106 are respectively embedded in the pin hole 110 and the spiral track 109. The first pressure pin triangle 101 is locked onto the slider 104, and the second pressure pin triangle 102 is locked onto the base 103 and distributed between the first pressure pin triangle 101 and the base 103. Based on the knitting structure, the circular knitting machine drives the drive motor through the instructions of its controller 401. During use, the knob 105 is rotated by the up-adjustment motor 35 or the down-adjustment motor 34, causing the pin 106 embedded in the spiral track 109 on the knob 105 to drive the slider 104 to slide up and down along the slide groove 107, thereby adjusting the distance between the first presser triangle 101 and the second presser triangle 102 on the slider 104, thus changing the size of the knitted loop and thus changing the density of the fabric. This structure can be adjusted during the knitting process of the circular knitting machine, avoiding machine stoppage for adjustment, resulting in good production continuity and improving production efficiency. Furthermore, by controlling the rotation of the knob 105 by the up-adjustment motor 35 or the down-adjustment motor 34, the rotational motion is converted into the precise linear displacement of the slider 104, realizing stepless linear adjustment of the knitting density, which can improve the accuracy and efficiency of adjustment. At the same time, the integrated layout of the motor on the back of the base 103 and the actuator on the front optimizes the space utilization of the equipment while ensuring adjustment accuracy.

[0051] Furthermore, a shaft hole 111 is provided through the central axis of the knob 105, and a threaded hole 112 communicating with the shaft hole 111 is provided on the circumferential surface of the knob 105 along its radial direction. An annular groove 113 is recessed in the axial center of the circumferential surface of the knob 105. The combination design of the shaft hole 111 and the threaded hole 112 enables quick disassembly and assembly of the knob 105 with the rotation shaft of the upper alignment motor 35 or the lower alignment motor 34. The annular groove 113 structure facilitates the installation of anti-loosening snap rings, significantly improving assembly efficiency. The radial threaded hole 112, together with the set screw, forms a double fixation, effectively avoiding the axial movement problem caused by traditional key connections and improving transmission stability.

[0052] In this embodiment, the width of the spiral track 109 is smaller than the diameter of the pin hole 110, forming a dynamic compensation gap of 0.05-0.1mm. This eliminates motion jamming caused by machining errors, allows the pin 106 to deflect slightly within the track, reduces stress concentration on the contact surface, and improves the durability of the mechanism by 2.5 times.

[0053] Specifically, the pin 106 includes a median 121, a first sleeve 122, and a second sleeve 123. The first sleeve 122 and the second sleeve 123 are rotatably sleeved on both ends of the median 121 via bearings. The first sleeve 122 is embedded in the spiral track 109, and the second sleeve 123 is embedded in the pin hole 110. The double sleeve bearing structure reduces the friction coefficient to below 0.02, saving 18% energy compared to the traditional integral pin. The floating connection design between the median 121 and the sleeve can automatically compensate for axial misalignment within 0.5°, ensuring the straightness of the slider 104 movement.

[0054] Furthermore, the second sleeve 123 has an arc-shaped protrusion 124 on its circumferential surface. The arc structure of the protrusion 124 forms a line contact with the pin hole 110, which can reduce friction damage and improve adjustment efficiency. In addition, the protrusion 124 generates a self-centering effect, which makes the axial positioning accuracy of the second sleeve 123 high and can eliminate the dead point problem of the single eccentric wheel.

[0055] In this embodiment, the fabric take-up assembly 37 includes a take-up frame 371, a support shaft 372, a bearing seat 373, a take-up roller 374, a take-up motor 375, a clamping roller 376, and two adjustment assemblies 377. The take-up frame 371 is rotatably mounted on the frame 1 via the support shaft 372 and the bearing seat 373. The take-up roller 374 is rotatably located at the lower part of the take-up frame 371. The take-up motor 375 is connected to the take-up roller 374. The clamping roller 376 is rotatably mounted on the take-up frame 371 and located above the take-up roller 374. The take-up frame 371 is connected to the frame 1 via the two adjustment assemblies 377. The large disc gear 8 is connected, and the two adjustment components 377 are symmetrically distributed. The adjustment component 377 realizes ±5° pitch adjustment and ±3mm axial fine adjustment of the take-up frame through a three-dimensional hinge mechanism. It can compensate for the 0.1-0.5mm difference in fabric thickness in real time. It is particularly suitable for constant tension take-up of elastic fabrics, so that the tension of the take-up is balanced, thereby improving the stability of equipment operation. The integrated design of the middle dust removal component 38 and the fabric take-up component 37 moves the dust removal operation position forward to the weaving and forming section. With the help of the negative pressure adsorption system, more than 90% of free fibers can be removed, which reduces the risk of secondary pollution of fabrics compared with end dust removal.

[0056] Specifically, the adjustment assembly 377 includes a first connecting rod 201, a second connecting rod 202, and a telescopic rod 203. The upper end of the first connecting rod 201 is vertically mounted on the large disc gear 8. One end of the telescopic rod 203 is hinged to the lower end of the first connecting rod 201. One end of the second connecting rod 202 is hinged to the other end of the telescopic rod 203. The other end of the second connecting rod 202 is hinged to the upper end of the winding frame 371. The three-bar linkage mechanism, namely the first connecting rod 201, the telescopic rod 203, and the second connecting rod 202, forms a spatial four-degree-of-freedom adjustment system. The electric push rod of the telescopic rod 203 achieves displacement control with a precision of 0.01mm. With the help of an angle sensor, it can automatically compensate for the amplitude deviation of 0.2-0.7mm caused by centrifugal force. The universal joint hinge design gives the adjustment assembly 377 anti-torsion characteristics, and it can still maintain adjustment stability at a speed of 1500rpm. Compared with the traditional rigid connection method, the vibration amplitude is reduced.

[0057] Furthermore, the second connecting rod 202 is distributed along the axial direction of the take-up roller 374, and the second connecting rod 202 is arranged axially parallel to the take-up roller 374 to form a force couple balance structure, so that the adjustment torque is evenly distributed along the roller surface, avoiding roller deformation caused by single-point stress concentration. This layout ensures that the line of action of the adjustment force always passes through the center of mass of the take-up frame 371, reducing the generation of additional moment of inertia, and reducing the vibration value of the equipment during the acceleration phase.

[0058] In this embodiment, the mid-section dust removal assembly 38 includes a first support rod 381, a connecting seat 382, ​​a second support rod 383, and two dust removal rollers 384. The connecting seat 382 is rotatably mounted on the lower end of the first support rod 381 via a bearing. The second support rod 383 is mounted on the connecting seat 382 and is distributed in the transverse direction. The two dust removal rollers 384 are rotatably mounted on the transverse ends of the second support rod 383. The rotation mechanism of the second support rod 383 enables adaptive adjustment of the included angle from 15° to 35°, increasing the dust removal contact area. The rotatable connecting seat 382 design allows the dust removal rollers 384 to automatically deflect ±8° following the fabric direction, avoiding abrasions on the fabric surface caused by hard contact.

[0059] Furthermore, the second support rod 383 includes a crossbar 301 and diagonal rods 302 disposed on both sides of the crossbar 301. The two dust removal rollers 384 are respectively disposed on the free ends of the diagonal rods 302. The angle between the central axis of the diagonal rod 302 and the central axis of the crossbar 301 is 120°. The truss structure of the diagonal rod 302 and the crossbar 301 improves the overall rigidity and reduces the deformation when subjected to lateral force. In addition, the angle design allows the dust removal rollers 384 to form tangential contact with the fabric, reducing the positive pressure while maintaining an effective insertion depth of 8mm for the dust removal brush bristles.

[0060] Although the invention has been specifically shown and described in conjunction with preferred embodiments, those skilled in the art should understand that various changes in form and detail may be made to the invention without departing from the spirit and scope of the invention as defined in the appended claims, all of which shall be within the scope of protection of the invention.

Claims

1. A multi-functional circular knitting machine, characterized in that: It includes a frame, control system, transmission box, drive motor, first transmission shaft, second transmission shaft, first transmission assembly, second transmission assembly, large disc gear, large tripod gear, first gear, second gear, large disc, large tripod, first connector, second connector, bearing, needle plate seat, center core, locking assembly, needle cylinder, needle plate, lower cam seat base ring, lower cam seat, lower cam, upper cam seat, upper cam, lower knitting needle, upper knitting needle, lower jacquard piece, upper jacquard piece, lower needle selector base ring, lower needle selector, upper needle selector, lower yarn adjusting motor, upper yarn adjusting motor, color changing head, fabric take-up assembly, and mid-section dust removal assembly; The transmission box is mounted on the frame, the first transmission shaft is rotatably mounted on the transmission box, the drive motor is connected to the first transmission shaft through the first transmission assembly, the second transmission shaft is rotatably mounted on the frame, the first transmission shaft is connected to the second transmission shaft through the second transmission assembly, and the first gear and the second gear are respectively located on the upper and lower parts of the second transmission shaft; The large disc is located in the middle of the frame. The lower needle selector is mounted on the large disc via a bottom ring. The large disc gear is rotatably mounted on the frame and meshes with the first gear. The needle cylinder is mounted on the large disc gear and has lower needle grooves distributed along its axial direction. The lower knitting needles and lower jacquard pieces are located in the lower needle grooves. The lower knitting needles are distributed on the upper side of the lower jacquard pieces and connected to them. The lower needle selector is connected to the lower jacquard pieces. The lower cam seat is mounted on the frame via a bottom ring. The lower cam is mounted on the lower cam seat and has a lower needle track for sliding the needle heel of the lower knitting needle. The lower yarn adjusting motor is mounted on the lower cam seat and connected to it. The fabric take-up assembly is mounted on the large disc gear and distributed on the lower side of the large disc gear. The mid-section dust removal assembly is located between the large disc gear and the fabric take-up assembly. The large cauldron is located on the upper part of the frame. The large cauldron gear is rotatably mounted on the large cauldron. The needle plate seat is connected to the large cauldron gear through a first connecting member. The needle plate is located on the needle plate seat and has upper needle grooves distributed along its radial direction. The upper knitting needles and upper jacquard pieces are located in the upper needle grooves. The upper knitting needles are distributed on the outside of the upper jacquard pieces and connected to them. The second connecting member is sleeved on the first connecting member through a bearing. The center core is located on the second connecting member. The upper cam seat is located on the center core. The upper needle selector is located on the upper cam seat and connected to the upper jacquard pieces. The upper cam is located on the upper cam seat and has an upper knitting needle track for the needle heel of the upper knitting needle to slide. The upper yarn adjusting motor is located on the upper cam seat and connected to the upper cam. The second connecting member is connected to the large cauldron through a locking assembly. The color-changing head is located on the large cauldron and distributed around the needle plate. Both the upper and lower triangles include a first pressure pin triangle and a second pressure pin triangle. Both the upper and lower triangle seats include a base, a slider, a knob, and a pin. The front of the base has a groove, and the back of the base has a through hole communicating with the groove. The upper or lower wire adjusting motor is located on the back of the base. The knob is located on the rotating shaft of the upper or lower wire adjusting motor and is distributed at the through hole. The front of the knob has a spiral track. The slider is slidably disposed in the groove. The back of the slider has a pin hole. The two axial ends of the pin are respectively embedded in the pin hole and the spiral track. The first pressure pin triangle is locked to the slider, and the second pressure pin triangle is locked to the base and is distributed on the lower side of the first pressure pin triangle. The drive motor, upper needle selector, lower needle selector, upper thread adjustment motor, lower thread adjustment motor, color-changing head, fabric take-up assembly, and mid-section dust removal assembly are all electrically connected to the control system.

2. The multifunctional circular knitting machine according to claim 1, characterized in that: The control system includes a controller, a display screen, an input device, and a remote transmission device, all of which are electrically connected to the controller.

3. The multifunctional circular knitting machine according to claim 2, characterized in that: The upper end of the first connector is connected to the large ding gear by a first bolt, and the lower end of the first connector is connected to the needle plate seat by a second bolt. The needle plate seat has a recessed groove in the middle for the first connector to be inserted.

4. The multifunctional circular knitting machine according to claim 3, characterized in that: The large cauldron gear has a first through hole in the middle, and an inverted "U"-shaped mounting component is provided at the first through hole. The opening of the mounting component faces downward, and a second through hole is provided in the middle of the mounting component for the first connector to be inserted.

5. The multifunctional circular knitting machine according to claim 4, characterized in that: The upper part of the outer surface of the second connector is provided with an external thread, and the upper part of the cauldron and near the second connector is provided with a mounting groove. An anti-slip seat is embedded in the mounting groove, and the anti-slip seat is provided with a first internal thread that mates with the external thread.

6. The multifunctional circular knitting machine according to claim 5, characterized in that: The locking assembly includes a locking seat distributed on the upper side of the cauldron, a second internal thread provided on the locking seat and engaging with the external thread, and a locking bolt connecting the locking seat and the cauldron.

7. The multifunctional circular knitting machine according to any one of claims 1 to 6, characterized in that: The knob has a through hole at its central axis, and a threaded hole communicating with the through hole is provided on the circumferential surface of the knob along its radial direction. An annular groove is recessed in the axial center of the circumferential surface of the knob.

8. The multifunctional circular knitting machine according to claim 7, characterized in that: The pin includes a median shaft, a first sleeve, and a second sleeve. The first sleeve and the second sleeve are rotatably fitted onto the axial ends of the median shaft via bearings. The first sleeve is embedded in a spiral track, and the second sleeve is embedded in a pin hole.

9. The multifunctional circular knitting machine according to claim 8, characterized in that: The second sleeve has an arc-shaped protrusion on its circumferential surface.

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