CN111644812B - Manufacturing process and equipment for needle cylinder of circular knitting machine - Google Patents
Manufacturing process and equipment for needle cylinder of circular knitting machine Download PDFInfo
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- CN111644812B CN111644812B CN202010467030.9A CN202010467030A CN111644812B CN 111644812 B CN111644812 B CN 111644812B CN 202010467030 A CN202010467030 A CN 202010467030A CN 111644812 B CN111644812 B CN 111644812B
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- grooving
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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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
- D04B15/14—Needle cylinders
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- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
The invention discloses a process for manufacturing a needle cylinder of a circular knitting machine, which comprises the following steps: the rough turning device performs rough turning on the blank needle cylinder; the rough turning blank needle cylinder is subjected to fine turning by a fine turning device to form a needle groove-free needle cylinder; the grooving device grooving the surface of the needle cylinder without the needle groove to form the needle cylinder with the needle groove; when the grooving is carried out, the grinding device grinds the cut needle groove; the needle grooves on the surface of the polished needle cylinder are inspected to judge whether the needle grooves are qualified or not, and the manufacturing time is short and the automation degree is high; the invention discloses a large circular knitting machine needle cylinder manufacturing device which comprises a rotatable and liftable base, wherein a plurality of grooving devices and a plurality of polishing devices are arranged around the base; the grinding device is positioned at the downstream of the grooving device; through cutting device and grinding device's adjacent setting for after cutting out the needle groove on the cylinder surface, grinding device can polish the needle groove of cutting out, has saved the time of polishing after cutting earlier, has promoted production efficiency.
Description
Technical Field
The invention relates to the field of textile machinery, in particular to a process and equipment for manufacturing a needle cylinder of a circular knitting machine.
Background
At present, with the continuous development of society, the development of the textile industry is faster and faster, wherein a circular knitting machine is generally used in the textile industry, the circular knitting machine has more knitting systems, high rotating speed, high yield, pattern change blocks, good fabric quality, less working procedures and strong product adaptability, so the circular knitting machine is developed quickly, a needle cylinder in the circular knitting machine is very important, and the needle cylinder mainly plays a role in fixing a knitting needle for the circular knitting machine and driving the knitting needle to work; the prior circular knitting machine needle cylinder is manufactured by polishing after cutting needle grooves, and the efficiency is low because only one needle groove can be cut at a time.
In view of the above, the applicant has made an intensive study on the above-mentioned defects in the prior art, and has made this invention.
Disclosure of Invention
The invention aims to provide a process for manufacturing a needle cylinder of a circular knitting machine, which has short manufacturing time and high automation degree.
The invention also aims to provide the needle cylinder manufacturing equipment of the circular knitting machine, which has high working efficiency and shortens the manufacturing time.
In order to achieve the above purpose, the solution of the invention is:
a process for manufacturing a needle cylinder of a circular knitting machine comprises the following steps:
(1) the rough turning device performs rough turning on the blank needle cylinder;
(2) the rough turning blank needle cylinder is subjected to fine turning by a fine turning device to form a needle groove-free needle cylinder;
(3) the grooving device grooving the surface of the needle cylinder without the needle groove to form the needle cylinder with the needle groove;
(4) when the grooving in the step (3) is carried out, the grinding device grinds the cut needle groove;
(5) inspecting the needle grooves on the surface of the polished needle cylinder, and judging whether the needle grooves are qualified;
in the steps (3) and (4), a grooving device in the circular knitting machine needle cylinder manufacturing equipment is adopted to groove the needle cylinder; in the grooving process, the working steps of the grooving device in the circular knitting machine needle cylinder manufacturing equipment comprise:
a. fixing the needle cylinder on the bearing disc through a fixing device;
b. the plurality of second horizontal driving devices respectively drive the plurality of grooving execution devices to move above the upper needle cylinder;
c. the lifting driving device drives the bearing disc to rise upwards, and the plurality of grooving execution devices perform grooving on the outer surface of the needle cylinder;
d. after the grooving action is finished, the rotary driving device drives the bearing disc to rotate, the lifting driving device drives the bearing disc to descend, and the grooving execution devices perform grooving on the surface of the needle cylinder for the next time;
e. when the needle grooves on the needle cylinder rotate to the positions corresponding to the polishing executing mechanisms, the polishing executing mechanisms are driven by the first horizontal driving devices to move towards the needle cylinder direction respectively to polish the inner surfaces of the needle grooves and then return to the original positions, and the polishing of the needle grooves on the surface of the needle cylinder and the cutting of the needle grooves are not affected mutually;
f. when the set number of the needle grooves is cut, the plurality of second horizontal driving devices drive the grooving execution device to return to the original position;
g. when the number of the needle grooves set on the surface of the needle cylinder is polished, the plurality of first horizontal driving devices drive the polishing executing devices to return to the original positions;
h. after the needle groove is polished, the lifting driving device drives the bearing disc to return to the original position.
A circular knitting machine needle cylinder manufacturing device comprises a rough turning device for roughly turning a needle cylinder, a fine turning device for finely turning the roughly turned needle cylinder, and a grooving device for grooving the finely turned needle cylinder; the grooving device comprises a base for bearing the needle cylinder and a grooving execution device for forming the needle groove on the needle cylinder; the base comprises a bearing disc for bearing the needle cylinder, a rotation driving device for driving the bearing disc to rotate and a lifting driving device for driving the bearing disc to lift; a plurality of the grooving actuators are arranged around the base; the grooving execution device comprises a grooving device for grooving the needle cylinder and a polishing device for polishing the needle groove; the grinding device is positioned at the downstream of the grooving device; the polishing device comprises a polishing executing device for polishing corresponding to the needle groove; the polishing executing device comprises a polishing belt extending into the needle groove for polishing, a driving belt wheel and a driven belt wheel for bearing the polishing belt, and a polishing motor for driving the driving belt wheel to rotate.
Further, the axes of the grinding belt and the needle cylinder are in the same vertical plane.
Further, the polishing belt is a nylon belt, a hemp belt or a wool belt.
Further, the width of the grinding belt is the same as the preforming width of the needle groove.
Further, the output shaft of the grinding motor is provided with a first driving wheel, and the first driving wheel is connected with the driving belt wheel conveying belt.
Further, the polishing execution device further comprises a tensioning wheel for tensioning the polishing belt, and the tensioning wheel, the driving belt wheel and the driven belt wheel jointly bear the polishing belt.
Further, the polishing device is provided with a first horizontal driving device for driving the polishing executing device to move along the radial direction of the needle cylinder.
Furthermore, the first horizontal driving device comprises a first bearing seat for bearing the polishing executing device, a first horizontal guide rail arranged on the upper surface of the first bearing seat, and a first horizontal moving power device for driving the polishing executing device to move along the first horizontal guide rail.
Further, the first horizontal moving power device comprises a first hydraulic cylinder which drives the grinding executing device to move along the first horizontal guide rail.
Further, the first horizontal guide rail comprises a first monorail with a center line pointing to the center of the needle cylinder.
Further, the grooving apparatus includes a grooving actuator that performs grooving on the surface of the cylinder.
Further, the grooving execution device comprises a grooving saw blade for grooving the surface of the needle cylinder, a grooving driving wheel for driving the grooving saw blade to rotate and connected with the grooving saw blade, and a grooving driving motor for driving the grooving driving wheel to rotate.
Further, the axes of the slotting saw blade and the needle cylinder are in the same vertical plane.
Further, the output shaft of the grooving driving motor is provided with a second driving wheel, and the second driving wheel is connected with the grooving driving wheel conveyor belt.
Further, the grooving apparatus is provided with a second horizontal driving apparatus for driving the grooving actuator to move in the radial direction of the cylinder.
Further, the second horizontal driving device comprises a second bearing seat for bearing the grooving actuator, a second horizontal guide rail arranged on the upper surface of the second bearing seat, and a second horizontal moving power device for driving the grooving actuator to move along the second horizontal guide rail.
Further, the second horizontal moving power device comprises a second hydraulic cylinder for driving the grooving actuator to move along the horizontal guide rail.
Further, the second horizontal guide rail comprises a second monorail with a center line pointing to the center of the needle cylinder.
Furthermore, the bearing disc is provided with a fixing device for fixing the needle cylinder and a sliding groove for the fixing device to slide.
Further, the rotation driving device comprises a rotating disc connected with the middle part of the bottom surface of the bearing disc, a rotating motor driving the rotating disc to rotate, and a first accommodating body accommodating the rotating disc and the rotating motor.
Furthermore, the output end of the rotating motor is provided with a driving gear for driving a driven gear on a rotating disc to rotate, and the peripheral surface of the rotating disc is provided with a driven gear meshed with the driving gear.
Further, the lifting driving device comprises a first screw for driving the bearing disc to lift, a lifting motor for driving the first screw, and a second accommodating body for accommodating the first screw and the lifting motor, wherein a first internal thread matched with the first screw is arranged at the bottom of the first accommodating body.
Furthermore, a boss extends from the bottom of the first accommodating body, and a first internal thread matched with the first screw rod is arranged on the lower surface of the boss.
After the structure is adopted, the manufacturing process of the needle cylinder of the circular knitting machine, disclosed by the invention, has the advantages that the milled needle groove is polished when the groove milling is carried out, so that the production efficiency is improved.
After the structure is adopted, the manufacturing equipment of the needle cylinder of the circular knitting machine, which is disclosed by the invention, has the following beneficial effects:
1. the circular knitting machine needle cylinder needle groove grooving of prior art all is cutting shaping once, and is higher to cutting device's requirement, and cutting rate is lower, through setting up cutting device and grinding device, has realized that cutting device carries out the fly-cutting to the needle groove, and back grinding device polishes the shaping to the preforming needle groove, great promotion the preparation efficiency of needle cylinder.
2. Through cutting device and grinding device's adjacent setting for after cutting out the needle groove on the cylinder surface, grinding device can polish the needle groove of cutting out, has saved the time of polishing after cutting earlier, has promoted production efficiency.
3. Make the time of processing cylinder shorten, great promotion production efficiency through setting up a plurality of cutting device and a plurality of grinding device.
Drawings
Fig. 1 is a schematic perspective view of a needle cylinder manufacturing device of a circular knitting machine according to the present invention.
Fig. 2 is a schematic perspective view of the cutting implement of the present invention.
Fig. 3 is a schematic perspective view of the polishing actuator of the present invention.
Figure 4 is a cross-sectional view of a sanding actuator of the present invention.
Fig. 5 is a schematic perspective view of the base of the present invention.
Fig. 6 is a schematic top view of the rotation driving device of the present invention.
Fig. 7 is a schematic perspective view of the lift driving device of the present invention.
In the figure: a base 1; a carrier tray 11; a fixing device 111; a rotation driving device 12; a rotating disk 121; a driven gear 1211; a rotating motor 122; a drive gear 1221; a first accommodation body 123; a boss 1231; a lift drive device 13; a first screw 131; a second container 132; a polishing executing device 2; a polishing belt 21; a driving pulley 22; a driven pulley 23; a tensioner 24; a first bearing seat 25; a first horizontal guide rail 251; a grooving actuator 3; a slitting saw blade 31; a grooving drive wheel 32; a grooving drive motor 33; a second carrier seat 34; a second horizontal guide rail 341; a needle cylinder 4.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
As shown in fig. 1 to 7, the manufacturing process of the cylinder of the circular knitting machine according to the present invention includes the following steps:
(1) the rough turning device performs rough turning on the blank needle cylinder 4;
(2) the rough turning blank needle cylinder 4 is subjected to fine turning by a fine turning device to form a needle groove-free needle cylinder 4;
(3) the grooving device grooving the surface of the needle cylinder 4 without the needle groove to form the needle cylinder 4 with the needle groove;
(4) when the grooving in the step (3) is carried out, the grinding device grinds the cut needle groove; the time of the whole slot forming process of the needle cylinder 4 is shortened, and the production efficiency is improved;
(5) inspecting the needle groove on the surface of the polished needle cylinder 4, and judging whether the needle groove is qualified;
in the steps (3) and (4), a grooving device in the needle cylinder forming equipment of the high-precision circular knitting machine is adopted to groove the needle cylinder 4; in the grooving process, the working steps of a grooving device in a needle cylinder manufacturing device of a circular knitting machine comprise:
a. fixing the needle cylinder 4 on the bearing disc 11 through a fixing device 111;
b. the plurality of second horizontal driving devices respectively drive the plurality of grooving execution devices 3 to move above the upper needle cylinder 4;
c. the lifting driving device 13 drives the bearing disc 11 to lift upwards, and the plurality of grooving executing devices 3 perform grooving on the outer surface of the needle cylinder 4;
d. after the grooving action is finished, the rotary driving device 12 drives the bearing disc 11 to rotate, the lifting driving device 13 drives the bearing disc 11 to descend, and the grooving execution devices 3 perform grooving on the surface of the needle cylinder 4 for the next time;
e. when the needle grooves on the needle cylinder 4 rotate to the positions corresponding to the polishing executing mechanisms, the polishing executing mechanisms 2 are driven by the first horizontal driving devices to move towards the needle cylinder 4 respectively to polish the inner surfaces of the needle grooves and then return to the original positions, and the polishing of the needle grooves on the surface of the needle cylinder 4 and the cutting of the needle grooves are not affected;
f. when the set number of the needle slots is cut, the plurality of second horizontal driving devices drive the slot cutting execution device 3 to return to the original position;
g. when the number of the needle grooves set on the surface of the needle cylinder 4 is polished, the polishing executing device 2 is driven by a plurality of first horizontal driving devices to return to the original position;
h. after the needle groove is polished, the lifting driving device 13 drives the bearing disc 11 to return to the original position.
It is through still when going on milling the groove, polishes the needle groove that has milled, has improved production efficiency, and a plurality of groover and a plurality of grinding device work simultaneously moreover for the time of 4 needle groove grooving of a cylinder shortens by a wide margin and has practiced thrift the cost of artifical polishing.
A big circular knitting machine needle cylinder manufacturing device comprises a rough turning device for roughly turning a needle cylinder 4, a fine turning device for finely turning the roughly turned needle cylinder 4, and a grooving device for grooving the finely turned needle cylinder 4; the grooving device comprises a base 1 for bearing the needle cylinder 4 and a grooving execution device for forming the needle groove on the needle cylinder 4; the base 1 comprises a bearing disc 11 for bearing the needle cylinder 4, a rotation driving device 12 for driving the bearing disc 11 to rotate, and a lifting driving device 13 for driving the bearing disc 11 to lift; a plurality of grooving actuators are arranged around the base 1; the grooving execution device comprises a grooving device for grooving the needle cylinder 4 and a polishing device for polishing the needle groove; the grinding device is positioned at the downstream of the grooving device; the polishing device comprises a polishing executing device 2 for polishing corresponding to the needle groove; the polishing executing device 2 comprises a polishing belt 21 extending into the needle groove for polishing, a driving pulley 22 and a driven pulley 23 for bearing the polishing belt 21, and a polishing motor for driving the driving pulley 22 to rotate. The circular knitting machine needle cylinder needle groove grooving of prior art all is a cutting shaping, and is higher to cutting device's requirement, and cutting rate is lower, through setting up cutting device and grinding device, has realized that cutting device carries out the fly-cutting to the needle groove, and back grinding device polishes the shaping to the preforming needle groove, great promotion the preparation efficiency of needle cylinder 4. Through cutting device and grinding device's adjacent setting for after 4 surperficial cutting out the needle groove at the cylinder, grinding device can polish the needle groove of cutting out, has saved the time of polishing after cutting earlier, has promoted production efficiency. Make the time of processing cylinder 4 shorten, great promotion production efficiency through setting up four cutting device and four grinding device.
Preferably, the axes of the grinding band 21 and of the needle cylinder 4 are in the same vertical plane. The precision of the polishing belt 21 in polishing the needle groove is ensured.
Preferably, the sanding belt 21 is a nylon belt, a hemp belt, or a wool belt. The polishing precision of the inner surface of the needle groove is improved.
Preferably, the width of the sanding belt 21 is the same as the preforming width of the needle groove. The grinding belt 21 is prevented from being unable to extend into the needle groove, so that the needle cylinder 4 is prevented from being unable to be used normally.
Preferably, the output shaft of the grinding motor (not shown) is provided with a first drive wheel, which is belt-connected to the drive pulley 22. The driving pulley 22 is driven to rotate by the first driving wheel through the conveying belt, so that the grinding process is more stable.
Preferably, the sanding actuator 2 further comprises a tensioning wheel 24 for tensioning the sanding belt 21, the tensioning wheel 24, the driving pulley 22 and the driven pulley 23 together carrying the sanding belt 21. The installation hole for installing the tension wheel 24 is formed in the polishing executing device 2, multiple groups of installation holes are formed in the installation hole, manual tensioning can be conducted on the polishing belt 21 through the arrangement of the tension wheel 24, normal work of the polishing belt 21 is guaranteed, polishing precision is guaranteed, and quality of the needle cylinder 4 is improved.
Preferably, the grinding means are provided with first horizontal drive means for driving the grinding actuation means 2 in a radial movement along the needle cylinder 4. Preferably, the first horizontal driving device includes a first bearing seat 25 for bearing the polishing actuating device 2, a first horizontal guide rail 251 disposed on the upper surface of the first bearing seat 25, and a first horizontal moving power device for driving the polishing actuating device 2 to move along the first horizontal guide rail 251. Preferably, the first horizontal movement power means comprises a first hydraulic cylinder driving the sanding actuator 2 to move along the first horizontal guide rail 251. The first hydraulic cylinder is an oil cylinder, the oil cylinder drives the polishing executing device 2 to move along the first horizontal guide rail 251, so that the polishing belt 21 stretches into the needle cylinder 4 to be polished, after polishing is finished, the oil cylinder drives the polishing executing device 2 to withdraw, polishing of the next needle groove is waited, and the whole polishing process is stable and efficient.
Preferably, the first horizontal guide rail 251 comprises a first monorail, the centre line of which is directed towards the centre of the needle cylinder 4. Make the final controlling element 2 that polishes when moving towards cylinder 4 along first single track, can be accurate stretch into the needle inslot and polish, improve the precision.
Preferably, the grooving means comprises a grooving actuator 3 for grooving the surface of the cylinder 4. Preferably, the grooving actuator 3 includes a grooving saw 31 for grooving the surface of the cylinder 4, a grooving driving wheel 32 for driving the grooving saw 31 to rotate and connected to the grooving saw 31, and a grooving driving motor 33 for driving the grooving driving wheel 32 to rotate. Through grooving driving motor 33 drive grooving saw bit 31 and rotate, lift drive arrangement 13 is to the lift that bears dish 11, has realized grooving saw bit 31 and has cut cylinder 4, surely goes out the needle groove, through the cooperation with rotation drive arrangement 12, has realized the cutting to 4 surperficial needle grooves of cylinder, through grooving final controlling element 3, lift drive arrangement 13, rotation drive arrangement 12's cooperation for whole cutting process is more high-efficient and stable.
Preferably, the axes of the slitting saw blades 31 and of the needle cylinder 4 are in the same vertical plane. The accuracy of the slitting saw blade 31 in cutting the surface of the cylinder 4 is ensured.
Preferably, the output shaft of the grooving drive motor 33 is provided with a second drive wheel, which is belt-connected to the grooving drive wheel 32. The grooving driving wheel 32 is driven to rotate through the second driving wheel through the conveying belt, so that the transmission precision is improved, and the stability of the cutting process is improved.
Preferably, the slotting device is provided with a second horizontal drive that drives the slotting actuator 3 in a radial direction along the needle cylinder 4. Preferably, the second horizontal driving means includes a second bearing seat 34 for bearing the slot-cutting actuator 3, a second horizontal guide rail 341 provided on an upper surface of the second bearing seat 34, and a second horizontal moving power means for driving the slot-cutting actuator 3 to move along the second horizontal guide rail 341. Preferably, the second horizontal movement power means comprises a second hydraulic cylinder driving the grooving actuator 3 to move along the horizontal guide rail. The second hydraulic cylinder is an oil cylinder, the oil cylinder drives the grooving execution device 3 to move along the second horizontal guide rail 341 and stop after moving to a specified position, the lifting driving device 13 drives the bearing disc 11 to ascend, so that the grooving saw blade 31 performs grooving on the surface of the needle cylinder 4, after the grooving is completed, the rotating driving device 12 drives the bearing disc 11 to rotate, the lifting driving device 13 drives the bearing disc 11 to descend, the grooving saw blade 31 performs the next grooving on the needle cylinder 4, the above steps are repeated until the set value of the grooving is cut out, the grooving process is completed when the grooving is distributed on the outer surface of the needle cylinder 4 at annular intervals, and the whole grooving process is stable and efficient through the arrangement.
Preferably, the second horizontal guide rail 341 comprises a second monorail with a centre line directed towards the centre of the needle cylinder 4. The movement of the slot-cutting actuator 3 along the second monorail towards the needle cylinder 4 allows to precisely align the radial position of the needle cylinder 4, guaranteeing precision in the cutting.
Preferably, the carrier plate 11 has a fixing device 111 for fixing the needle cylinder 4, and a sliding slot for sliding the fixing device 111. By arranging the fixing device 111 to fix the needle cylinder 4 above the bearing disc 11, the needle cylinder 4 is prevented from moving during cutting or grinding, so that the whole needle cylinder 4 is scrapped.
Preferably, the rotation driving device 12 includes a rotation disc 121 connected to a middle portion of a bottom surface of the carrier disc 11, a rotation motor 122 for driving the rotation disc 121 to rotate, and a first receiving body 123 for receiving the rotation disc 121 and the rotation motor 122. Preferably, the output end of the rotation motor 122 has a driving gear 1221 for driving a driven gear 1211 of the rotation disc 121 to rotate, and the outer circumferential surface of the rotation disc 121 is provided with the driven gear 1211 engaged with the driving gear 1221. The driving gear 1221 is rotated by the rotation of the rotating motor 122, so as to drive the driven gear 1211 on the rotating disc 121 to rotate, the bearing disc 11 is fixedly connected with the rotating disc 121, so that the bearing disc 11 rotates, and the rotation angle of each time is the distance between two needle grooves and is set according to the actual situation.
Preferably, the lifting driving device 13 includes a first screw 131 for driving the carrier tray 11 to lift, a lifting motor for driving the first screw 131, and a second container 132 for containing the first screw 131 and the lifting motor, and the bottom of the first container 123 is provided with a first internal thread matched with the first screw 131. Preferably, a boss 1231 extends from the bottom of the first accommodating body 123, and a first internal thread matched with the first screw 131 is disposed on the lower surface of the boss 1231. The first screw 131 is driven by the lifting motor to rotate clockwise, so that the boss 1231 is lifted upwards, and the bearing table is driven to ascend; through first screw 131 anticlockwise rotation for boss 1231 is to descending, thereby drives the plummer decline, has realized rising and descending, drives through spiral first screw 131 to rise and descend, makes rise and descend more steady and rise the distance that descends and can better control. The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.
Claims (24)
1. The manufacturing process of the needle cylinder of the circular knitting machine is characterized by comprising the following steps:
(1) the rough turning device performs rough turning on the blank needle cylinder;
(2) the rough turning blank needle cylinder is subjected to fine turning by a fine turning device to form a needle groove-free needle cylinder;
(3) the grooving device grooving the surface of the needle cylinder without the needle groove to form the needle cylinder with the needle groove;
(4) when the grooving in the step (3) is carried out, the grinding device grinds the cut needle groove;
(5) inspecting the needle grooves on the surface of the polished needle cylinder, and judging whether the needle grooves are qualified;
in the steps (3) and (4), a grooving device in the circular knitting machine needle cylinder manufacturing equipment is adopted to groove the needle cylinder; in the grooving process, the working steps of the grooving device in the circular knitting machine needle cylinder manufacturing equipment comprise:
a. fixing the needle cylinder on the bearing disc through a fixing device;
b. the plurality of second horizontal driving devices respectively drive the plurality of grooving execution devices to move above the upper needle cylinder;
c. the lifting driving device drives the bearing disc to rise upwards, and the plurality of grooving execution devices perform grooving on the outer surface of the needle cylinder;
d. after the grooving action is finished, the rotary driving device drives the bearing disc to rotate, the lifting driving device drives the bearing disc to descend, and the grooving execution devices perform grooving on the surface of the needle cylinder for the next time;
e. when the needle grooves on the needle cylinder rotate to the positions corresponding to the polishing executing mechanisms, the polishing executing mechanisms are driven by the first horizontal driving devices to move towards the needle cylinder direction respectively to polish the inner surfaces of the needle grooves and then return to the original positions, and the polishing of the needle grooves on the surface of the needle cylinder and the cutting of the needle grooves are not affected mutually;
f. when the set number of the needle grooves is cut, the plurality of second horizontal driving devices drive the grooving execution device to return to the original position;
g. when the number of the needle grooves set on the surface of the needle cylinder is polished, the plurality of first horizontal driving devices drive the polishing executing devices to return to the original positions;
h. after the needle groove is polished, the lifting driving device drives the bearing disc to return to the original position.
2. A circular knitting machine needle cylinder manufacturing device comprises a rough turning device for roughly turning a needle cylinder, a fine turning device for finely turning the roughly turned needle cylinder, and a grooving device for grooving the finely turned needle cylinder; the grooving device comprises a base for bearing the needle cylinder and a grooving execution device for forming the needle groove on the needle cylinder; the device is characterized in that the base comprises a bearing disc for bearing the needle cylinder, a rotation driving device for driving the bearing disc to rotate and a lifting driving device for driving the bearing disc to lift; a plurality of the grooving actuators are arranged around the base; the grooving execution device comprises a grooving device for grooving the needle cylinder and a polishing device for polishing the needle groove; the grinding device is positioned at the downstream of the grooving device; the polishing device comprises a polishing executing device for polishing corresponding to the needle groove; the polishing executing device comprises a polishing belt extending into the needle groove for polishing, a driving belt wheel and a driven belt wheel for bearing the polishing belt, and a polishing motor for driving the driving belt wheel to rotate.
3. The apparatus of claim 2, wherein the axes of the grinding belt and the needle cylinder are in the same vertical plane.
4. A circular knitting machine cylinder manufacturing apparatus according to claim 3, characterized in that said grinding belt is a nylon belt, a hemp belt or a wool belt.
5. The apparatus of claim 4, wherein the width of the grinding belt is the same as the pre-formed width of the needle groove.
6. The apparatus of claim 5, wherein the output shaft of the grinding motor is provided with a first drive wheel, and the first drive wheel is connected to a drive pulley belt.
7. The apparatus of claim 6, wherein the grinding implement further comprises a tensioner for tensioning the grinding belt, the tensioner, the driving pulley and the driven pulley together carrying the grinding belt.
8. The apparatus for manufacturing a cylinder for circular knitting machines according to any one of claims 2 to 7, wherein: the grinding device is provided with a first horizontal driving device for driving the grinding executing device to move along the radial direction of the needle cylinder.
9. The apparatus of claim 8, wherein the first horizontal driving device comprises a first supporting base for supporting the grinding actuator, a first horizontal guiding rail disposed on an upper surface of the first supporting base, and a first horizontal moving power device for driving the grinding actuator to move along the first horizontal guiding rail.
10. The apparatus of claim 9, wherein the first horizontal motion power device comprises a first hydraulic cylinder driving the grinding implement to move along a first horizontal guide rail.
11. The apparatus of claim 10 wherein said first horizontal guide rail comprises a first monorail having a centerline pointing towards the center of the cylinder.
12. The apparatus of claim 2, wherein the grooving means comprises a grooving actuator for grooving the surface of the cylinder.
13. The apparatus of claim 12, wherein the grooving actuator comprises a grooving saw for grooving the surface of the cylinder, a grooving driving wheel for driving the grooving saw to rotate and connected to the grooving saw, and a grooving driving motor for driving the grooving driving wheel to rotate.
14. The apparatus of claim 13, wherein the axes of the slitting saw blade and the cylinder are in the same vertical plane.
15. The apparatus of claim 14, wherein the output shaft of the grooving drive motor is provided with a second drive wheel, and the second drive wheel is connected to the grooving drive wheel belt.
16. The apparatus of claim 15, wherein the grooving device is provided with a second horizontal driving device for driving the grooving actuator to move in a radial direction of the cylinder.
17. The apparatus of claim 16, wherein the second horizontal driving means comprises a second carriage for carrying the slot-cutting actuator, a second horizontal guide rail provided on an upper surface of the second carriage, and a second horizontal moving power means for driving the slot-cutting actuator to move along the second horizontal guide rail.
18. The apparatus of claim 17, wherein the second horizontal movement power means comprises a second hydraulic cylinder for driving the slot-cutting actuator to move along the horizontal guide rail.
19. The apparatus of claim 18, wherein said second horizontal guide rail comprises a second monorail having a centerline pointing towards the center of the needle cylinder.
20. The circular knitting machine cylinder manufacturing equipment according to claim 2, wherein the carrier plate has a fixing device for fixing the cylinder and a sliding groove for the fixing device to slide.
21. The apparatus of claim 20, wherein the rotation driving means comprises a rotary plate connected to a middle portion of a bottom surface of the carrier plate, a rotation motor for driving the rotary plate to rotate, and a first receiving body for receiving the rotary plate and the rotation motor.
22. The apparatus of claim 21, wherein the output end of the rotary motor has a driving gear for driving a driven gear of a rotary disk to rotate, and the outer peripheral surface of the rotary disk has a driven gear engaged with the driving gear.
23. The apparatus of claim 22, wherein the lifting driving device comprises a first screw for driving the carrier plate to lift, a lifting motor for driving the first screw, and a second container for containing the first screw and the lifting motor, and a bottom of the first container is provided with a first internal thread matching with the first screw.
24. The apparatus of claim 23, wherein a boss extends from a bottom of the first container, and a lower surface of the boss is provided with a first internal thread engaged with the first screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010467030.9A CN111644812B (en) | 2020-05-28 | 2020-05-28 | Manufacturing process and equipment for needle cylinder of circular knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN112091614A (en) * | 2020-09-22 | 2020-12-18 | 漳州市永良针纺机械有限公司 | High-precision intelligent triangular manufacturing and forming process |
| CN112404576B (en) * | 2020-10-16 | 2022-05-27 | 漳州市永良针纺机械有限公司 | Production process of high-precision circular knitting machine accessory |
| CN112338445B (en) * | 2020-10-16 | 2022-04-01 | 漳州市永良针纺机械有限公司 | Efficient automatic forming method for needle cylinder of circular knitting machine |
| CN114921900A (en) * | 2022-03-31 | 2022-08-19 | 浙江理工大学 | Needle cylinder of circular knitting machine |
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