CN113862888B - Needle selector for knitting and using method - Google Patents
Needle selector for knitting and using method Download PDFInfo
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- CN113862888B CN113862888B CN202111339734.9A CN202111339734A CN113862888B CN 113862888 B CN113862888 B CN 113862888B CN 202111339734 A CN202111339734 A CN 202111339734A CN 113862888 B CN113862888 B CN 113862888B
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- tool bit
- cutter head
- sleeve
- sliding groove
- permanent magnet
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000009940 knitting Methods 0.000 title claims abstract description 14
- 238000004804 winding Methods 0.000 claims description 9
- 230000002035 prolonged effect Effects 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 5
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Classifications
-
- 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
- D04B15/66—Devices for determining or controlling patterns ; Programme-control arrangements
- D04B15/68—Devices for determining or controlling patterns ; Programme-control arrangements characterised by the knitting instruments used
- D04B15/70—Devices for determining or controlling patterns ; Programme-control arrangements characterised by the knitting instruments used in flat-bed knitting machines
-
- 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
- D04B15/66—Devices for determining or controlling patterns ; Programme-control arrangements
- D04B15/68—Devices for determining or controlling patterns ; Programme-control arrangements characterised by the knitting instruments used
- D04B15/78—Electrical devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
A knitting needle selector and its operation method, including selecting the needle device, electromagnetic coil device, motive equipment, body, the said needle device is mounted in the upper end of inside of the body fixedly, through monitoring the working frequency of each tool bit, reach the specified standard, replace the tool bit automatically, thus realize the alternative use of each section tool bit, reduce the temperature of electromagnetic coil and permanent electromagnet, lengthen its life; the electromagnetic coil device 2 is fixedly arranged in the shell, the lower end of the needle selection device is driven by an electromagnetic mode, so that the polarity of the upper end of the electromagnetic spiral tube is correspondingly changed, the electromagnetic spiral tube is matched with the permanent magnet for use, and the needle selection head swings by means of the attraction and the repulsion between the electromagnet and the permanent magnet, so that the needle selection operation is completed; the power device is fixedly arranged at the lower end of the needle selecting device, the side surface of the electromagnetic coil device enables the needle selecting device to finish the replacement work of the tool bit through the driving of the gear rack.
Description
Technical Field
The invention relates to the technical field of knitting needle selectors, in particular to a needle selector for knitting and a using method thereof.
Background
Most of needle selectors adopted on the existing computerized flat knitting machine are electromagnetic needle selectors, an electromagnet not only increases magnetic energy and does mechanical work, but also has a part of energy for generating heat in electromagnetic induction, the heat can increase the temperature of the electromagnet, and when the computerized flat knitting machine is high in speed and multiple in tasks, the generated heat can be increased, equipment is in a heating state for a long time, and the failure rate can be increased;
aiming at the high-strength working environment, a needle selector for knitting is needed, the equipment adopts a standby needle selecting tool bit alternate working technology, a certain section of high-frequency tool bit is replaced when reaching a set parameter, a permanent electromagnet and an electromagnetic spiral tube are synchronously alternated, the original working state is changed into a standby state, and natural cooling is carried out, so that the aim of not heating the needle selector is fulfilled, the failure rate of the needle selector is reduced, and the service life of the equipment is prolonged.
Disclosure of Invention
Aiming at the problems, the small circular shaft at the right upper end of the cutter head push sheet A is extruded by the raised sliding groove on the inner side of the supporting side plate to enable the cutter head push sheet A to move downwards until the cutter head push sheet A is reset, when the small circular shaft moving to the side face of the cutter head sleeve B touches the upper end of the cutter head top plate, the raised part at the upper end of the cutter head top plate is pushed down to drive the small connecting rod to move downwards a little to scratch the other end of the fixed buckle side face sliding groove, when the small circular shaft at the side face of the cutter head sleeve B just slides to the vertical sliding groove of the supporting side plate, the fixed support is pushed up due to the elastic force generated by the spring, the fixed support pushes up the cutter head top plate, the cutter head top plate pushes up the cutter head sleeve B again, at the moment, the needle selection cutter head is replaced, the permanent electromagnet under the new cutter head is just opposite to the direction of the electromagnet at the other electromagnetic spiral pipe at the lower end, the whole replacement of the electromagnet and the electromagnetic spiral pipe is completed, the new cutter head and the spiral pipe continue to work next time, the cutter head and the spiral pipe under replacement, the cooling is carried out, the next replacement is waited, the replacement process of the equipment greatly reduces the temperature rise problem under the high-frequency working state, the equipment loss, and prolongs the service life.
The technical scheme adopted by the invention is as follows: a knitting needle selector and its application method, including needle selector, electromagnetic coil device, power unit, body, characterized by that: the needle selection device is fixedly arranged at the upper end in the shell, and the cutter head is automatically replaced by monitoring the working frequency of each cutter head when the working frequency reaches the specified standard, so that the alternative use of each section of cutter head is realized, the temperature of the electromagnetic coil and the permanent electromagnet is reduced, and the service life of the electromagnetic coil and the permanent electromagnet is prolonged; the electromagnetic coil device is fixedly arranged in the shell, the lower end of the needle selection device is driven by an electromagnetic mode to enable the polarity of the upper end of the electromagnetic spiral tube to be correspondingly changed, the electromagnetic spiral tube is matched with the permanent magnet for use, and the needle selection head swings by means of the attraction and the repulsion between the electromagnet and the permanent magnet, so that the needle selection operation is completed; the power device is fixedly arranged at the lower end of the needle selecting device, the side surface of the electromagnetic coil device enables the needle selecting device to finish the replacement work of the tool bit through the driving of the gear rack.
Further, the needle selecting device comprises: the needle selection device comprises a tool bit push sheet A, a needle selection tool bit A, a tool bit sleeve A, a tool bit top sheet, a permanent magnet sleeve A, a permanent magnet A, a needle selection tool bit B, a tool bit push sheet B, a tool bit sleeve B, a permanent magnet B, a supporting side plate and a limiting cylinder;
two sliding grooves are formed in the middle of the tool bit push sheet A, a limiting cylinder is arranged at the right upper corner of the inner side of the tool bit push sheet A, and the limiting cylinder is intermittently matched with a clamping block in the supporting side plate; the small round shaft on the side surface of the tool bit sleeve A is in sliding connection with the sliding groove in the middle of the tool bit push sheet A, the small round shaft on the side surface of the tool bit sleeve A penetrates through the sliding groove in the middle of the tool bit push sheet A to be installed in the sliding groove on the side surface of the supporting side plate in a sliding mode, the permanent magnet sleeve A is fixedly installed at the left end of the tool bit sleeve A, an opening is formed in the lower end of the permanent magnet sleeve A, and the permanent magnet A is fixedly installed in the opening; the shaft at the lower end of the needle selection tool bit A is rotatably arranged in the tool bit sleeve A; the upper end of the cutter head top plate is movably connected with the small circular shaft on the side face of the cutter head sleeve A, the supporting side plate is fixedly installed inside the shell, and the right upper corner of the inner side of the supporting side plate is provided with an inclined clamping block for enabling the cutter head push plate A to move downwards simultaneously in the rightward movement process of the cutter head push plate A.
Further, the needle selector further comprises: the needle selection tool bit B, the tool bit push sheet B, the tool bit sleeve B, the permanent magnet sleeve B and the permanent magnet B;
a shaft at the lower end of the needle selection tool bit B is rotatably arranged in the tool bit sleeve B, a small round shaft on the side surface of the tool bit sleeve B is in sliding connection with a sliding groove arranged in the middle of the tool bit push sheet B, a sliding strip at the right end of the tool bit push sheet B is in sliding connection with a sliding groove at the left end of the tool bit push sheet A, a limiting cylinder is arranged at the left upper corner of the inner side of the tool bit push sheet B, and the limiting cylinder is in intermittent fit with a clamping block in the supporting side plate; correspondingly, an inclined fixture block is arranged at the left upper corner of the inner side of the supporting side plate and is used for guiding the tool bit push sheet B downwards simultaneously in the process that the tool bit push sheet B moves rightwards; the small circular shaft on the side face of the tool bit sleeve B penetrates through the sliding groove in the middle of the tool bit push sheet B, the small circular shaft is slidably mounted in the sliding groove on the side face of the supporting side plate, the permanent magnet sleeve B is fixedly mounted at the right end of the tool bit sleeve B, an opening is formed in the lower end of the permanent magnet sleeve B, and the permanent magnet B is fixedly mounted in the opening.
Further, the electromagnetic coil device includes: the electromagnetic winding device comprises a fixing support, a fixing sleeve, an electromagnetic spiral tube, a winding groove, a base, a circuit board, a long rod, a spring, a fixing buckle, a long rod sleeve and a small connecting rod;
the upper end of the fixed support is fixedly connected with the lower end of the top plate of the tool bit, round holes are formed in two ends of the fixed support and fixedly connected with a small cylinder at the upper end of the electromagnetic spiral tube, the lower end of the fixed support is fixedly connected with the upper end of the long rod, a spring is slidably mounted on the side surface of the long rod, the lower end of the long rod is slidably mounted in the round hole of the long rod sleeve, the lower end of the long rod sleeve is fixedly connected to the upper surface of the base, a sliding strip is arranged on the side surface of the base and slidably mounted in a sliding groove in the inner wall of the shell; the side surface of the electromagnetic spiral tube is fixedly connected with the winding groove, the side surface of the electromagnetic spiral tube is slidably arranged on the inner wall of the fixed sleeve, and the side surface of the fixed sleeve is fixedly arranged on the inner wall of the shell;
the right end of the fixing buckle is fixedly arranged on the inner wall of the shell, an irregular sliding groove is formed in a left end panel of the fixing buckle, the sliding groove is connected with a round shaft at the lower end of the small connecting rod in a sliding mode, and the upper end of the small connecting rod is connected with a small round shaft on the side face of the lower end of the fixing support in a rotating mode; the side surface of the circuit board is fixedly arranged on the inner wall of the shell.
Further, the power device comprises: the device comprises a servo motor, a motor gear, a long shaft, a rack, a fixed push block, an electric cylinder and a spur gear;
the servo motor is fixedly arranged on the inner wall of the shell, a motor gear is fixedly arranged on a motor shaft of the servo motor, the motor gear is meshed with the long gear, the long gear is fixedly arranged at the left end of the long shaft, a plurality of spur gears are fixedly arranged on the long shaft, the spur gears are meshed with a plurality of racks, and the toothless ends of the racks are fixedly connected with the lower end of the cutter head push piece B;
the electric cylinder is fixedly installed on the inner wall of the shell, the telescopic rod at the front end of the electric cylinder is fixedly connected with the round hole at the left end of the fixed push block, and the round hole at the right end of the fixed push block is fixedly installed in the middle of the long shaft.
A method for using a needle selector for knitting is characterized by comprising the following steps:
a. when the needle selector is used, the electromagnetic spiral tube is electrified under the control of the circuit board, so that the polarity of the upper end of the electromagnetic spiral tube is correspondingly changed, the electromagnetic spiral tube is matched with the permanent magnet A for use, the needle selector bit swings along a small circular shaft arranged in the cutter head sleeve A by virtue of the attraction and repulsion of the electromagnetic spiral tube and the permanent magnet A, the needle selector is in a vertical state when being selected, and is inclined after being selected, so that the needle selector is used for selecting needles;
b. the needle selection tool bit generates heat, the tool bit needs to be replaced, the electric cylinder is started, a telescopic rod on the electric cylinder pushes a certain distance, one of the spur gears is meshed with the corresponding rack, the servo motor is started to drive the rack to move rightwards, the rack drives the tool bit push sheet B to move rightwards, and the tool bit push sheet B drives the tool bit push sheet A to move rightwards;
c. when the tool bit push sheet A moves rightwards, the sliding groove in the middle of the tool bit push sheet A drives the small circular shafts on the two sides of the tool bit sleeve A to move downwards axially, when the small circular shafts on the side surface of the tool bit sleeve A move into the sliding groove at the lower end of the supporting side plate, the tool bit top sheet is driven to move downwards simultaneously, the small connecting rod at the lower end of the tool bit top sheet slides in the sliding groove on the side surface of the fixed buckle, and due to the special structure of the sliding groove, the small connecting rod is clamped in the groove at the lower end of the sliding groove on the side surface of the fixed buckle;
d. the tool bit push sheet B continues to move rightwards to drive the tool bit push sheet A to continue to move rightwards, and the small circular shaft at the right upper end of the tool bit push sheet A enables the tool bit push sheet A to move downwards until reset due to extrusion of the protruding sliding groove at the inner side of the supporting side plate;
e. when a small circular shaft moving to the side face of the cutter head sleeve B touches the upper end of the cutter head top plate, the convex part at the upper end of the cutter head top plate is pushed down to drive the small connecting rod to move downwards a little to scratch the other end of the side face sliding groove of the fixed buckle, when the small circular shaft at the side face of the cutter head sleeve B just slides to the vertical sliding groove of the supporting side plate, the fixed support is jacked up due to the elastic force generated by the spring, the fixed support jacks up the cutter head top plate, the cutter head top plate jacks up the cutter head sleeve B, and the electricity is supplied again to realize the left-right swing of the needle selecting cutter head B, thereby realizing the flow of work, head changing and re-work.
Due to the adoption of the technical scheme, the invention has the following advantages:
(1) The invention, through the control of the circuit board, electrifys the electromagnetic spiral tube to make the polarity of the upper end of the electromagnetic spiral tube change correspondingly, and the electromagnetic spiral tube is matched with the permanent magnet for use, and the swinging of the needle selection tool bit A is realized by the attraction and repulsion between the electromagnet and the permanent magnet, thereby completing the needle selection operation;
(2) The invention is started by the electric cylinder, the telescopic rod on the electric cylinder pushes a certain distance to ensure that one of the spur gears is meshed with the corresponding rack of the racks, the staggered distance between each spur gear and the corresponding rack is different, and when the telescopic rod of the electric cylinder stretches out and draws back different distances, any spur gear can be controlled to be meshed with the corresponding rack, so that the rack drives the section of the needle selecting cutter head to be replaced;
(3) The small round shaft at the right upper end of the cutter head push sheet A is extruded by the protruding sliding groove at the inner side of the supporting side plate, so that the cutter head push sheet A moves downwards until the cutter head push sheet A resets, when the small round shaft moving to the side surface of the cutter head sleeve B touches the upper end of the cutter head top plate, the protruding part at the upper end of the cutter head top plate is pushed downwards to drive the small connecting rod to move downwards a little to scratch the other end of the side surface sliding groove of the fixed buckle, when the small round shaft at the side surface of the cutter head sleeve B just slides to the vertical sliding groove of the supporting side plate, the fixed support is jacked up due to the elastic force generated by the spring, the cutter head top plate is jacked up by the cutter head top plate, the cutter head sleeve B is jacked up by the cutter head top plate, at the moment, the needle selection cutter head is replaced, the permanent electromagnet under the new cutter head is just opposite to the electromagnet at the direction of the other electromagnet at the lower end, the electromagnet and the other electromagnet spiral pipe are correspondingly, the whole replacement of the electromagnet and the new cutter head and the spiral pipe are replaced, the next operation is cooled, the next time, the next replacement is waited, and the replacement process of the equipment temperature rise problem under the high-frequency working state is greatly reduced, the equipment loss and the service life is prolonged.
Drawings
Fig. 1-3 are schematic diagrams of the overall structure of the present invention.
Fig. 4-5 are schematic structural views of the needle selecting device of the invention.
Fig. 6 is an exploded view of the needle selector of the present invention.
Fig. 7-8 are schematic structural views of the electromagnetic coil device of the present invention.
Fig. 9 is an exploded view of the electromagnetic coil device of the present invention.
FIG. 10 is a schematic view of the structure of the small connecting rod of the present invention.
Fig. 11-12 are schematic structural views of the power unit of the invention.
Reference numerals: 1-needle selection device; 2-a solenoid device; 3-a power plant; 4-a shell; 101-tool bit push sheet A; 102-needle selection tool bit A; 103-a bit sleeve a; 104-a head top sheet; 105-permanent magnet sleeve a; 106-permanent magnet a; 107-needle selection tool bit B; 108-tool bit push sheet B; 109-bit sleeve B; 110-permanent magnet sleeve B; 111-permanent magnet B; 112-supporting the side plates; 201-fixing the bracket; 202-a fixed sleeve; 203-an electromagnetic solenoid; 204-winding slot; 205-a base; 206-a circuit board; 207-long rod; 208-a spring; 209-fixing a buckle; 210-long pole sleeve; 211-small link; 301-a servo motor; 302-motor gear; 303-long gear; 304-major axis; 305-a rack; 306-fixing the push block; 307-electric cylinder; 308-spur gear.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in many ways other than those described herein, and it will be apparent to those of ordinary skill in the art that similar modifications can be made without departing from the spirit of the invention, and it is therefore intended that the invention not be limited to the specific embodiments disclosed below.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the embodiment, as shown in fig. 1-12, a needle selector for knitting comprises a needle selecting device 1, an electromagnetic coil device 2, a power device 3 and a shell 4, wherein the needle selecting device 1 is fixedly arranged at the upper end inside the shell 4, and the working frequency of each cutter head is monitored to automatically replace the cutter head when reaching a specified standard, so that the alternative use of each section of cutter head is realized, the temperature of the electromagnetic coil and a permanent electromagnet is reduced, and the service life of the electromagnetic coil and the permanent electromagnet is prolonged; the electromagnetic coil device 2 is fixedly arranged in the shell 4, the lower end of the needle selection device 1 is driven by an electromagnetic mode, so that the polarity of the upper end of the electromagnetic spiral tube 203 is correspondingly changed, the electromagnetic spiral tube is matched with a permanent magnet for use, and the needle selection head is swung by the attraction force and the repulsion force between the electromagnet and the permanent magnet, so that the needle selection operation is completed; the power device 3 is fixedly arranged at the lower end of the needle selecting device 1 and at the side surface of the electromagnetic coil device 2, and the needle selecting device 1 can complete the cutter head replacement work through the driving of the gear rack 305.
In an alternative embodiment of the present invention, as shown in fig. 4, 5 and 6, the needle selecting device 1 includes: a tool bit push piece A101, a needle selection tool bit A102, a tool bit sleeve A103, a tool bit top sheet 104, a permanent magnet sleeve A105, a permanent magnet A106, a needle selection tool bit B107, a tool bit push piece B108, a tool bit sleeve B109, a permanent magnet sleeve B110, a permanent magnet B111, a support side plate 112 and a limit cylinder 113;
two sliding grooves are formed in the middle of the cutter head push piece A101, a limiting cylinder 113 is arranged at the right upper corner of the inner side of the cutter head push piece A101, the limiting cylinder 113 is in intermittent fit with a clamping block in the supporting side plate 112, a small circular shaft on the side surface of the cutter head sleeve A103 is in sliding connection with the sliding groove in the middle of the cutter head push piece A101, the small circular shaft on the side surface of the cutter head sleeve A103 penetrates through the sliding groove in the middle of the cutter head push piece A101 to be installed in the sliding groove in the side surface of the supporting side plate 112 in a sliding mode, a permanent magnet sleeve A105 is fixedly installed at the left end of the cutter head sleeve A103, an opening is formed in the lower end of the permanent magnet sleeve A105, and a permanent magnet A106 is fixedly installed in the opening; the shaft at the lower end of the needle selection cutter head A102 is rotatably arranged in the cutter head sleeve A103; the upper end of the cutter head top plate 104 is movably connected with a small circular shaft on the side surface of the cutter head sleeve A103; the supporting side plate 112 is fixedly installed inside the shell 4, and an inclined fixture block is arranged at the upper right corner of the inner side of the supporting side plate 112 and is used for guiding the cutter head push piece A101 downwards simultaneously in the process that the cutter head push piece A101 moves rightwards; correspondingly, a limiting cylinder 113 is arranged at the left upper corner of the inner side of the cutter head push sheet B108, and the limiting cylinder 113 is intermittently matched with a clamping block in the supporting side plate 112; an inclined fixture block is arranged at the left upper corner of the inner side of the supporting side plate 112 and is used for guiding the cutter head push sheet B108 downwards simultaneously in the process that the cutter head push sheet B108 moves rightwards;
a shaft at the lower end of the needle selection tool bit B107 is rotatably arranged in a tool bit sleeve B109, a small round shaft on the side surface of the tool bit sleeve B109 is in sliding connection with a sliding groove arranged in the middle of a tool bit push sheet B108, and a sliding strip at the right end of the tool bit push sheet B108 is in sliding connection with a sliding groove at the left end of a tool bit push sheet A101; a small circular shaft on the side surface of the cutter bit sleeve B109 penetrates through a sliding groove in the middle of the cutter bit push sheet B108 and is slidably mounted in a sliding groove on the side surface of the supporting side plate 112, a permanent magnet sleeve B110 is fixedly mounted at the right end of the cutter bit sleeve B109, an opening is formed in the lower end of the permanent magnet sleeve B110, and a permanent magnet B111 is fixedly mounted in the opening; when the cutter head push sheet B108 moves rightwards, the cutter head push sheet B108 drives the cutter head push sheet A101 to move rightwards, when the cutter head push sheet A101 moves rightwards, a sliding groove in the middle of the cutter head push sheet A101 drives small circular shafts on two sides of a cutter head sleeve A103 to move downwards axially, when a small circular shaft on the side surface of the cutter head sleeve A103 moves into a sliding groove in the lower end of a supporting side plate 112, a cutter head top plate 104 is driven to move downwards simultaneously, a small connecting rod 211 at the lower end of the cutter head top plate 104 slides in a sliding groove in the side surface of a fixing buckle 209, the cutter head push sheet B108 continues to move rightwards at the same time, the cutter head push sheet A101 is driven to move rightwards, when a small circular shaft on the side surface of a cutter head sleeve B109 moves to the position of the cutter head sleeve A103, the cutter head top plate 104 is driven to move downwards simultaneously, and the small connecting rod 211 at the lower end of the cutter head top plate 104 slides in the sliding groove in the side surface of the fixing buckle 209 again, so that the small connecting rod 211 slides out of the groove to reset.
In an alternative embodiment of the present embodiment, as shown in fig. 7, 8, 9 and 10, the electromagnetic coil device 2 includes: the electromagnetic solenoid comprises a fixing bracket 201, a fixing sleeve 202, an electromagnetic solenoid 203, a winding slot 204, a base 205, a circuit board 206, a long rod 207, a spring 208, a fixing buckle 209, a long rod sleeve 210 and a small connecting rod 211;
the upper end of the fixed support 201 is fixedly connected with the lower end of the cutter head top plate 104, round holes are arranged at two ends of the fixed support 201, the round holes are fixedly connected with a small cylinder at the upper end of the electromagnetic spiral tube 203, the lower end of the fixed support 201 is fixedly connected with the upper end of the long rod 207, a spring 208 is slidably arranged on the side surface of the long rod 207, the lower end of the long rod 207 is slidably arranged in a round hole of a long rod sleeve 210, the lower end of the long rod sleeve 210 is fixedly connected to the upper surface of a base 205, a sliding strip is arranged on the side surface of the base 205, and the sliding strip is slidably arranged in a sliding groove in the inner wall of the shell 4; the side surface of the electromagnetic spiral pipe 203 is fixedly connected with the winding slot 204; the side surface of the electromagnetic spiral pipe 203 is slidably mounted on the inner wall of the fixed sleeve 202, and the side surface of the fixed sleeve 202 is fixedly mounted on the inner wall of the shell 4;
the right end of the fixed buckle 209 is fixedly arranged on the inner wall of the shell 4, an irregular sliding groove in an apple shape is arranged on a left end panel of the fixed buckle 209, the sliding groove is in sliding connection with a round shaft at the lower end of the small connecting rod 211, and the upper end of the small connecting rod 211 is in rotating connection with the small round shaft on the side surface of the lower end of the fixed support 201; the side face of the circuit board 206 is fixedly mounted on the inner wall of the housing 4;
the elasticity that spring 208 produced, with fixed bolster 201 jack-up, fixed bolster 201 jacks up tool bit top plate 104, tool bit top plate 104 jacks up tool bit sleeve B109 again, select the replacement of needle tool bit to accomplish this moment, the permanent electro-magnet under the new tool bit, the tool bit electro-magnet direction just opposite with the replacement, another electromagnetism spiral pipe 203 that corresponds the lower extreme, the whole replacement of electro-magnet and electromagnetism spiral pipe 203 has been accomplished, new tool bit and spiral pipe continue work next time, tool bit and spiral pipe under the replacement, cooling, wait for the replacement next time, the replacement flow of equipment has greatly reduced the equipment problem of rising temperature under the high frequency operating condition, the equipment loss has been reduced simultaneously, service life is prolonged.
In an alternative embodiment of the present invention, as shown in fig. 11 and 12, the power unit 3 includes: a servo motor 301, a motor gear 302, a long gear 303, a long shaft 304, a rack 305, a fixed push block 306, an electric cylinder 307 and a spur gear 308;
the servo motor 301 is fixedly arranged on the inner wall of the shell 4, a motor gear 302 is fixedly arranged on a motor shaft of the servo motor 301, the motor gear 302 is meshed with a long gear 303, the long gear 303 is fixedly arranged at the left end of a long shaft 304, a plurality of spur gears 308 are fixedly arranged on the long shaft 304, the spur gears 308 are meshed with a plurality of racks 305, and the toothless end of the racks 305 is fixedly connected with the lower end of the cutter head push piece B108;
the electric cylinder 307 is fixedly arranged on the inner wall of the shell 4, an expansion rod at the front end of the electric cylinder 307 is fixedly connected with a round hole at the left end of the fixed push block 306, and a round hole at the right end of the fixed push block 306 is fixedly arranged in the middle of the long shaft 304;
the electric cylinder 307 is started, the telescopic rod on the electric cylinder 307 pushes a certain distance, one of the spur gears 308 is meshed with the corresponding rack 305, the distances of the spur gears 308 staggered with the corresponding rack 305 are different, when the telescopic rod of the electric cylinder 307 stretches out and draws back different distances, any spur gear 308 can be controlled to be meshed with the corresponding rack 305, and therefore the purpose that the rack 305 drives the section of the needle selecting tool bit needing to be replaced is achieved.
A needle selector for knitting and a using method thereof are characterized by comprising the following steps:
a. when the needle selector is used, the electromagnetic spiral tube is electrified under the control of the circuit board, so that the polarity of the upper end of the electromagnetic spiral tube is correspondingly changed, the electromagnetic spiral tube is matched with the permanent magnet A for use, the needle selector bit swings along a small circular shaft arranged in the cutter head sleeve A by virtue of the attraction and repulsion of the electromagnetic spiral tube and the permanent magnet A, the needle selector is in a vertical state when being selected, and is inclined after being selected, so that the needle selector is used for selecting needles;
b. the needle selection tool bit generates heat, the tool bit needs to be replaced, the electric cylinder is started, a telescopic rod on the electric cylinder pushes a certain distance, one of the spur gears is meshed with the corresponding rack, the servo motor is started to drive the rack to move rightwards, the rack drives the tool bit push sheet B to move rightwards, and the tool bit push sheet B drives the tool bit push sheet A to move rightwards;
c. when the tool bit push sheet A moves rightwards, the sliding groove in the middle of the tool bit push sheet A drives the small circular shafts on the two sides of the tool bit sleeve A to move downwards axially, when the small circular shafts on the side surface of the tool bit sleeve A move into the sliding groove at the lower end of the supporting side plate, the tool bit top sheet is driven to move downwards simultaneously, the small connecting rod at the lower end of the tool bit top sheet slides in the sliding groove on the side surface of the fixed buckle, and due to the special structure of the sliding groove, the small connecting rod is clamped in the groove at the lower end of the sliding groove on the side surface of the fixed buckle;
d. the tool bit push sheet B continues to move rightwards to drive the tool bit push sheet A to continue to move rightwards, and the small circular shaft at the right upper end of the tool bit push sheet A enables the tool bit push sheet A to move downwards until reset due to extrusion of the protruding sliding groove at the inner side of the supporting side plate;
e. when a small circular shaft moving to the side face of the cutter head sleeve B touches the upper end of the cutter head top plate, the convex part at the upper end of the cutter head top plate is pushed down to drive the small connecting rod to move downwards a little to scratch the other end of the side face sliding groove of the fixed buckle, when the small circular shaft at the side face of the cutter head sleeve B just slides to the vertical sliding groove of the supporting side plate, the fixed support is jacked up due to the elastic force generated by the spring, the fixed support jacks up the cutter head top plate, the cutter head top plate jacks up the cutter head sleeve B, and the electricity is supplied again to realize the left-right swing of the needle selecting cutter head B, thereby realizing the flow of work, head changing and re-work.
When the needle selection device is used, according to actual conditions, the electromagnetic solenoid 203 is electrified through the control of the circuit board, so that the polarity of the upper end of the electromagnetic solenoid 203 is correspondingly changed, the electromagnetic solenoid is matched with the permanent magnet A106 for use, and the up-and-down swing of the needle selection tool bit A102 is realized by the attraction force and the repulsion force of the electromagnetic solenoid 203 and the permanent magnet A106, so that the needle selection operation is completed; in the electromagnetic induction of the needle selector electromagnet, besides the increase of magnetic energy and the mechanical work, a part of energy is used for generating heat, the heat can raise the temperature of the electromagnet, the temperature can influence the size of a resistor, thereby influencing the size of current, and finally influencing the electromagnetic force, so that the device is in an unstable state, when a certain section of needle selecting tool bit works in a high-frequency needle selecting task, the heat can be generated, the service life of the device is reduced, at the moment, under the control of the circuit board 206, under the condition that a certain section of needle selecting tool bit reaches a certain number of times or frequency, a mode of replacing the tool bit is adopted, the needle selecting tool bit which does not work and the electromagnetic spiral tube 203 replace work, the electric cylinder 307 is started, the telescopic rod on the electric cylinder 307 pushes a certain distance, one of the plurality of spur gears 308 is meshed with the corresponding rack 305, the distances of the spur gears 308 are different from the corresponding racks 305, and when the telescopic rod of the electric cylinder 307 stretches different distances, any spur gear 308 can be controlled to be meshed with the corresponding rack 305, so that the section of the needle selecting tool bit which needs replacing is driven by the rack 305 is replaced by the rack 305; when the rack 305 moves, the cutter head push piece B108 is driven to move rightwards, the cutter head push piece B108 drives the cutter head push piece A101 to move rightwards, when the cutter head push piece A101 moves rightwards, the sliding groove in the middle of the cutter head push piece A101 drives the small circular shafts on two sides of the cutter head sleeve A103 to move downwards, when the small circular shafts on the side surface of the cutter head sleeve A103 move into the sliding groove on the lower end of the supporting side plate 112, the cutter head top plate 104 is driven to move downwards at the same time, the small connecting rod 211 on the lower end of the cutter head top plate 104 slides in the sliding groove on the side surface of the fixing buckle 209, and due to the special structure of the sliding groove, the small connecting rod 211 is clamped in the groove on the lower end of the sliding groove, and at the moment, the cutter head push piece B108 continues to move rightwards, and the cutter head push piece A101 is driven to move rightwards; the limiting cylinder 113 at the right upper end of the cutter head push sheet A101 enables the cutter head push sheet A101 to move downwards due to extrusion of a protruding sliding groove on the inner side of the supporting side plate 112 until the cutter head push sheet A is reset, when a small circular shaft moving to the side face of the cutter head sleeve B109 touches the upper end of the cutter head top plate 104, a protruding part at the upper end of the cutter head top plate 104 is pushed down to drive the small connecting rod 211 to move downwards a little, and the other end of the side face sliding groove of the fixed buckle 209 is scratched, when the small circular shaft at the side face of the cutter head sleeve B109 just slides to a vertical sliding groove of the supporting side plate 112, the fixed support 201 is pushed up due to the elastic force generated by the spring 208, the fixed support 201 pushes up the cutter head top plate 104, the cutter head top plate 104 pushes up the cutter head sleeve B109, at the moment, the replacement of the needle selection cutter head is completed, a permanent electromagnet under a new cutter head is opposite to the direction of the electromagnet, the other electromagnetic spiral pipe 203 corresponding to the lower end, the electromagnet and the electromagnetic spiral pipe 203 are completely replaced, the new cutter head and spiral pipe continue to work, the cooling is performed, the next time, the cooling is waited for next replacement, the problem of the high-frequency working state is greatly reduced, and the service life of the equipment is prolonged.
Claims (2)
1. A needle selector for knitting comprises a needle selecting device (1), an electromagnetic coil device (2), a power device (3) and a shell (4), and is characterized in that: the needle selection device (1) is fixedly arranged at the upper end in the shell (4), and the working frequency of each cutter head is monitored to automatically replace the cutter head when the working frequency reaches a specified standard, so that the alternative use of each section of cutter head is realized, the temperatures of the electromagnetic coil and the permanent electromagnet are reduced, and the service life of the electromagnetic coil and the permanent electromagnet is prolonged; the electromagnetic coil device (2) is fixedly arranged in the shell (4), the lower end of the needle selection device (1) is driven by an electromagnetic mode, so that the polarity of the upper end of the electromagnetic spiral tube (203) is correspondingly changed, the electromagnetic spiral tube is matched with a permanent magnet for use, and the needle selection head swings by means of the attraction and repulsion between an electromagnet and the permanent magnet, so that the needle selection operation is completed; the power device (3) is fixedly arranged at the lower end of the needle selection device (1), the side surface of the electromagnetic coil device (2) enables the needle selection device (1) to complete the replacement work of the tool bit through the driving of the gear rack (305);
the needle selection device (1) comprises: a tool bit push sheet A (101), a needle selection tool bit A (102), a tool bit sleeve A (103), a tool bit top sheet (104), a permanent magnet sleeve A (105), a permanent magnet A (106), a supporting side plate (112) and a limiting cylinder (113);
the middle of the cutter head push piece A (101) is provided with two sliding grooves, the right upper corner of the inner side of the cutter head push piece A (101) is provided with a limiting cylinder (113), and the limiting cylinder (113) is intermittently matched with a clamping block in the supporting side plate (112); a small round shaft arranged in a tool bit sleeve A (103) is in sliding connection with a sliding groove in the middle of a tool bit push sheet A (101), the small round shaft on the side surface of the tool bit sleeve A (103) penetrates through the sliding groove in the middle of the tool bit push sheet A (101) and is installed in the sliding groove on the side surface of a supporting side plate (112) in a sliding mode, the sliding groove on the side surface of the supporting side plate (112) is in a shape formed by two vertical grooves and one transverse groove, a permanent magnet sleeve A (105) is fixedly installed at the left end of the tool bit sleeve A (103), an opening is formed in the lower end of the permanent magnet sleeve A (105), and a permanent magnet A (106) is fixedly installed in the opening; the shaft at the lower end of the needle selection cutter head A (102) is rotatably arranged in the cutter head sleeve A (103); the upper end of the cutter head top plate (104) is movably connected with a small circular shaft on the side surface of the cutter head sleeve A (103); the supporting side plate (112) is fixedly arranged in the shell (4), and an inclined clamping block is arranged at the upper right corner of the inner side of the supporting side plate (112) and used for guiding the tool bit push sheet A (101) to move downwards simultaneously in the process that the tool bit push sheet A (101) moves rightwards;
the needle selection device (1) further comprises: a needle selection tool bit B (107), a tool bit push jack B (108), a tool bit sleeve B (109), a permanent magnet sleeve B (110) and a permanent magnet B (111);
the shaft at the lower end of the needle selection tool bit B (107) is rotatably arranged in the tool bit sleeve B (109), a small round shaft on the side surface of the tool bit sleeve B (109) is in sliding connection with a sliding groove arranged in the middle of the tool bit push sheet B (108), a sliding strip at the right end of the tool bit push sheet B (108) is in sliding connection with the sliding groove at the left end of the tool bit push sheet A (101), a limiting cylinder (113) is arranged at the left upper corner of the inner side of the tool bit push sheet B (108), and the limiting cylinder (113) is intermittently matched with a clamping block in the supporting side plate (112); correspondingly, an inclined fixture block is arranged at the left upper corner of the inner side of the supporting side plate (112) and is used for guiding the cutter head push sheet B (108) downwards simultaneously in the process that the cutter head push sheet B (108) moves rightwards; a small circular shaft on the side surface of the tool bit sleeve B (109) penetrates through a sliding groove in the middle of the tool bit push sheet B (108) and is slidably mounted in the sliding groove on the side surface of the supporting side plate (112), a permanent magnet sleeve B (110) is fixedly mounted at the right end of the tool bit sleeve B (109), an opening is formed in the lower end of the permanent magnet sleeve B (110), and a permanent magnet B (111) is fixedly mounted in the opening;
the electromagnetic coil device (2) comprises: the electromagnetic coil winding device comprises a fixing support (201), a fixing sleeve (202), an electromagnetic coil (203), a winding slot (204), a base (205), a circuit board (206), a long rod (207), a spring (208) and a long rod sleeve (210);
the upper end of the fixed support (201) is fixedly connected with the lower end of the cutter head top plate (104), round holes are formed in two ends of the fixed support (201), the round holes are fixedly connected with a small cylinder at the upper end of the electromagnetic spiral tube (203), the lower end of the fixed support (201) is fixedly connected with the upper end of the long rod (207), a spring (208) is slidably mounted on the side surface of the long rod (207), the lower end of the long rod (207) is slidably mounted in the round hole of the long rod sleeve (210), the lower end of the long rod sleeve (210) is fixedly connected to the upper surface of the base (205), a sliding strip is arranged on the side surface of the base (205), and the sliding strip is slidably mounted in a sliding groove in the inner wall of the shell (4); the side surface of the electromagnetic spiral pipe (203) is fixedly connected with the winding groove (204), the side surface of the electromagnetic spiral pipe (203) is slidably arranged on the inner wall of the fixed sleeve (202), and the side surface of the fixed sleeve (202) is fixedly arranged on the inner wall of the shell (4);
the electromagnetic coil device (2) further comprises: a fixed buckle (209) and a small connecting rod (211);
the right end of the fixed buckle (209) is fixedly arranged on the inner wall of the shell (4), an irregular sliding groove is formed in a left end panel of the fixed buckle (209), the sliding groove is in sliding connection with a round shaft at the lower end of the small connecting rod (211), and the upper end of the small connecting rod (211) is in rotating connection with the small round shaft on the side face of the lower end of the fixed support (201); the side surface of the circuit board (206) is fixedly arranged on the inner wall of the shell (4);
the power device (3) comprises: a servo motor (301), a motor gear (302), a long gear (303), a long shaft (304), a rack (305) and a spur gear (308);
the cutter head push piece comprises a shell (4), a servo motor (301), a motor gear (302), a long gear (303), a plurality of spur gears (308), a plurality of racks (305), and a cutter head push piece B (108), wherein the servo motor (301) is fixedly arranged on the inner wall of the shell (4), the motor shaft of the servo motor (301) is fixedly provided with the motor gear (302), the motor gear (302) is meshed with the long gear (303), the long gear (303) is fixedly arranged at the left end of a long shaft (304), the long shaft (304) is fixedly provided with the spur gears (308), the spur gears (308) are meshed with the racks (305), and the toothless end of the racks (305) is fixedly connected with the lower end of the cutter head push piece B (108);
the power device (3) further comprises: a fixed push block (306) and an electric cylinder (307);
the electric cylinder (307) is fixedly arranged on the inner wall of the shell (4), the telescopic rod at the front end of the electric cylinder (307) is fixedly connected with the round hole at the left end of the fixed push block (306), and the round hole at the right end of the fixed push block (306) is fixedly arranged in the middle of the long shaft (304).
2. The use method of a selector for knitting according to claim 1, characterized by comprising the steps of:
a. when the device is used, the electromagnetic spiral tube is electrified under the control of the circuit board, so that the polarity of the upper end of the electromagnetic spiral tube is correspondingly changed, the electromagnetic spiral tube is matched with the permanent magnet A for use, the needle selection tool bit swings along a small circular shaft arranged in the tool bit sleeve A by means of the suction force and the repulsion force of the electromagnetic spiral tube and the permanent magnet A, the needle selector is in a vertical state when being selected, and is inclined after being selected, so that the needle selector is used for selecting needles;
b. when the needle selection cutter head is overheated, the cutter head needs to be replaced, the electric cylinder is started, the telescopic rod on the electric cylinder pushes a certain distance, one of the spur gears is meshed with the corresponding rack, the servo motor is started to drive the rack to move rightwards, the rack drives the cutter head push piece B to move rightwards, and the cutter head push piece B drives the cutter head push piece A to move rightwards;
c. when the tool bit push sheet A moves rightwards, the sliding groove in the middle of the tool bit push sheet A drives the small circular shafts on the two sides of the tool bit sleeve A to move downwards axially, when the small circular shafts on the side surface of the tool bit sleeve A move into the sliding groove at the lower end of the supporting side plate, the tool bit top sheet is driven to move downwards simultaneously, the small connecting rod at the lower end of the tool bit top sheet slides in the sliding groove on the side surface of the fixed buckle, and due to the special structure of the sliding groove, the small connecting rod is clamped in the groove at the lower end of the sliding groove on the side surface of the fixed buckle;
d. the cutter head push sheet B continuously moves rightwards to drive the cutter head push sheet A to continuously move rightwards, and the small circular shaft at the right upper end of the cutter head push sheet A enables the cutter head push sheet A to move downwards due to the extrusion of the convex sliding chute at the inner side of the supporting side plate until the cutter head push sheet A resets;
e. when a small circular shaft moving to the side face of the cutter head sleeve B touches the upper end of the cutter head top plate, the convex part at the upper end of the cutter head top plate is pushed down to drive the small connecting rod to move downwards a little to scratch the other end of the side face sliding groove of the fixed buckle, when the small circular shaft at the side face of the cutter head sleeve B just slides to the vertical sliding groove of the supporting side plate, the fixed support is jacked up due to the elastic force generated by the spring, the fixed support jacks up the cutter head top plate, the cutter head top plate jacks up the cutter head sleeve B, and the electricity is supplied again to realize the left-right swing of the needle selecting cutter head B, thereby realizing the flow of work, head changing and re-work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111339734.9A CN113862888B (en) | 2021-11-12 | 2021-11-12 | Needle selector for knitting and using method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111339734.9A CN113862888B (en) | 2021-11-12 | 2021-11-12 | Needle selector for knitting and using method |
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| CN113862888A CN113862888A (en) | 2021-12-31 |
| CN113862888B true CN113862888B (en) | 2023-03-21 |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH579657A5 (en) * | 1974-06-05 | 1976-09-15 | Erb Ernst | Electrically controlled selector mechanism for flat knitting machines - uses pattern tapes easily and cheaply produced, and quickly exchanged |
| CN2278004Y (en) * | 1996-10-29 | 1998-04-08 | 威海市创为新技术研究所 | Electromagnetic needle selection device for circular knitting machine |
| ES2187369B1 (en) * | 2001-09-05 | 2004-09-16 | Quantum Knitting Tecnologies, S.A. | DEVICE FOR THE SELECTION OF NEEDLES IN CIRCULAR MACHINES OF GENERO DE PUNTO. |
| CN2887905Y (en) * | 2006-01-10 | 2007-04-11 | 富阳市富顺针织电脑有限公司 | Fencing type electro-magnetic holding selecting device |
| CN202626537U (en) * | 2012-05-30 | 2012-12-26 | 深圳市麦尔龙科技开发有限公司 | Intelligent needle selector |
| CN203346583U (en) * | 2013-07-10 | 2013-12-18 | 楼根友 | Needle selector for knitted underwear machine |
| CN203904615U (en) * | 2014-04-23 | 2014-10-29 | 东莞华中科技大学制造工程研究院 | Needle selection device |
| CN204058844U (en) * | 2014-07-11 | 2014-12-31 | 绍兴鸿泰电脑控制技术设备有限公司 | Electromagnetic needle selector |
| CN208104678U (en) * | 2018-04-04 | 2018-11-16 | 张桂玉 | A kind of novel slide cam selector |
| CN213978067U (en) * | 2020-10-20 | 2021-08-17 | 广州思德隆电子有限公司 | Combined flat knitting machine needle selector with conveniently-replaced tool bit |
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2021
- 2021-11-12 CN CN202111339734.9A patent/CN113862888B/en active Active
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Denomination of invention: A needle selector for knitting and its usage method Granted publication date: 20230321 Pledgee: Zhejiang Fuyang Rural Commercial Bank Co.,Ltd. Changkou Sub branch Pledgor: HANGZHOU FU YANG FU SHUN KNITTING COMPUTER CO.,LTD. Registration number: Y2024980013071 |
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