CN211897296U - Electromagnetic needle selector of knitting machine - Google Patents
Electromagnetic needle selector of knitting machine Download PDFInfo
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- CN211897296U CN211897296U CN201922293779.1U CN201922293779U CN211897296U CN 211897296 U CN211897296 U CN 211897296U CN 201922293779 U CN201922293779 U CN 201922293779U CN 211897296 U CN211897296 U CN 211897296U
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- needle
- baffle
- rotating shaft
- knitting machine
- needle selecting
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Abstract
The utility model discloses a knitting quick-witted electromagnetism selects needle ware, include: an aluminum frame; the rotating shafts are arranged on the front side of the aluminum frame at intervals from left to right; more than two needle selection tool bits are sleeved on each rotating shaft at intervals up and down; the rear side of each needle selecting cutter head is provided with a permanent magnet; the electromagnet assemblies are arranged on the aluminum frame and comprise a plurality of electromagnet assemblies, and the electromagnet assemblies correspond to the permanent magnets one by one. The utility model discloses a cover is established two above having the needle selection tool bits of permanent magnet in same pivot to form the needle selection ware of many merit positions, reduced the height of selecting the needle ware, make and select needle ware overall structure compacter.
Description
Technical Field
The utility model relates to the field of textile machinery, in particular to knitting machine electromagnetism selects needle ware.
Background
At present, the market demand for efficiency of knitting machines is increasing, and the variety of knitted fabrics shows diversified demands, so that those skilled in the art need to make further improvements to the selector. The existing knitting machine mostly adopts a three-position electromagnetic needle selector, and knitting needles can simultaneously realize loop knitting, non-knitting and tuck knitting so as to meet the diversified change of cloth varieties.
The commonly used three-position electromagnetic needle selector is divided into two types: one mode is a mode of combining two-station electromagnetic needle selectors, and the positions of the knitting machines for mounting the needle selectors are limited, so that the three-station electromagnetic needle selectors formed by combining the needle selectors are increased in thickness and high in assembly precision requirement, and the requirements of high-path number knitting machines are difficult to meet; the other mode is that two rows of needle selecting tool bits with permanent magnets are installed in a staggered mode, the needle selecting tool bits are installed in a staggered mode, the height of the formed three-position needle selector is increased, miniaturization of a knitting machine is not facilitated, meanwhile, the needle selecting tool bits with double rows of staggered positions enable the stroke of the corresponding jacquard sheets to be increased, each jacquard sheet needs to be provided with two needle butts, the jacquard sheets are prone to abrasion, meanwhile, each needle selecting tool bit needs to be correspondingly provided with a rotating shaft, and production cost and assembly difficulty are increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a knitting machine electromagnetism selects needle ware to solve one or more technical problem that exist among the prior art, provide a profitable selection or create the condition at least.
The technical scheme adopted for solving the technical problems is as follows:
an electromagnetic selector for a knitting machine, comprising: an aluminum frame; the rotating shafts are arranged on the front side of the aluminum frame at intervals from left to right; more than two needle selection tool bits are sleeved on each rotating shaft at intervals up and down; the rear side of each needle selecting cutter head is provided with a permanent magnet; the electromagnet assemblies are arranged on the aluminum frame and comprise a plurality of electromagnet assemblies, and the electromagnet assemblies are arranged in one-to-one correspondence with the permanent magnets.
More than two needle selection tool bits with permanent magnets are sleeved on the same rotating shaft to form a multi-position needle selector, compared with the existing staggered installation mode of the needle selection tool bits, the height of the needle selector is reduced, the whole structure of the needle selector is more compact, meanwhile, a rotating shaft can be correspondingly provided with a plurality of needle selection tool bits, the needle selector is beneficial to being arranged in a limited space, more needle selection tool bits are arranged, the number of shaft holes needing to be processed on an aluminum frame is reduced, and during use, the needle selection tool bits swing around the rotating shaft under the action of magnetic force of the electromagnet assemblies and the permanent magnets correspondingly arranged, so that the jacquard sheets are moved to select needles.
As a further improvement of the above technical solution, the needle selecting tool bit includes a body, a tool apron is disposed on the front side of the body, a permanent magnet holder is disposed on the rear side of the body, the permanent magnets are fixedly mounted in the permanent magnet holder, and the two permanent magnet holders on the left and right adjacent rotating shafts are arranged in a vertically staggered manner, so that the permanent magnets on the needle selecting tool bit can be separated to the maximum extent, interference between the permanent magnets is reduced, and the swinging of the needle selecting tool bit can be more stable.
As a further improvement of the above technical scheme, two needle selecting tool bits are arranged on each rotating shaft, tool holders of the upper needle selecting tool bits arranged on the left and right adjacent rotating shafts and arranged on the upper side are arranged into a horizontal row, tool holders of the lower needle selecting tool bits arranged on the lower side are arranged into another horizontal row, the needle selecting tool bits arranged in two rows can meet the requirement of three-position knitting of a needle selector, and meanwhile, a knitting needle is pushed to perform looping knitting, tucking knitting and non-knitting.
As a further improvement of the above technical solution, the needle selecting heads on each rotating shaft are divided into a first needle selecting head and a second needle selecting head, the first needle selecting head is disposed on the upper side of the rotating shaft, the second needle selecting head is disposed on the lower side of the rotating shaft, and the needle selecting heads on the same rotating shaft may have different structures.
As a further improvement of the above technical solution, a positioning baffle is arranged on the front side surface of the aluminum frame, the positioning baffle includes an upper baffle, a middle baffle and a lower baffle, a plurality of upper cutter grooves are formed between the upper baffle and the middle baffle, lower cutter grooves are formed between the lower baffle and the middle baffle, the upper cutter grooves are arranged in one-to-one correspondence with the needle selecting cutter heads arranged on the upper side, the lower cutter grooves are arranged in one-to-one correspondence with the needle selecting cutter heads arranged on the lower side, and three baffles are adopted to cooperate to form two cutter grooves, namely the upper cutter grooves and the lower cutter grooves, so that the assembling precision is high.
As a further improvement of the technical proposal, the upper end surface and the lower end surface of the middle baffle plate are respectively provided with at least two positioning bulges and at least two first fixing grooves, the upper baffle plate and the lower baffle plate are both provided with a positioning groove correspondingly matched with the positioning bulge and a second fixing groove correspondingly matched with the first fixing groove, the first fixing groove and the second fixing groove which are correspondingly matched enclose a fixing pin hole, the matching between the positioning bulge and the positioning groove is used for accurate positioning between the three baffles, the first fixing groove and the second fixing groove are matched to form a fixing pin hole, the positioning bulge and the first fixing groove are respectively matched with the corresponding positioning groove and the corresponding second fixing groove, the upper baffle is abutted against the middle baffle, the lower baffle is abutted against the middle baffle, and then the fixing pin is extruded into the fixing pin hole, so that the upper baffle and the middle baffle are fixed, and the lower baffle and the middle baffle are fixed.
As above-mentioned technical scheme's further improvement, be equipped with circuit board and drive plate on the aluminium frame, the circuit board is located the top of drive plate, it is a plurality of electromagnet assembly locates the last side and/or the downside of circuit board front segment portion, the back segment portion of circuit board with the anterior segment portion coincide of drive plate, a plurality of storage tanks have been seted up to the back segment portion of circuit board, be equipped with the female seat of SMD in the storage tank, the female seat of SMD with electromagnet assembly electric connection, the anterior segment portion of drive plate be equipped with the female seat complex contact pin of SMD, through with the female seat of SMD sink into the circuit board on the corresponding storage tank, can effectual reduction female seat occupation space, can save space.
Drawings
The present invention will be further explained with reference to the drawings and examples;
fig. 1 is an exploded schematic view of an electromagnetic needle selector provided by the present invention;
fig. 2 is a front view of the electromagnetic needle selector provided by the present invention;
fig. 3 is an exploded schematic view of a positioning baffle of the electromagnetic needle selector provided by the present invention;
fig. 4 is an explosion diagram of the circuit board of the electromagnetic needle selector provided by the present invention.
In the drawings: 100-aluminum frame, 200-rotating shaft, 300-needle selecting tool bit, 400-permanent magnet, 500-electromagnet assembly, 600-positioning baffle, 610-upper baffle, 620-middle baffle, 630-lower baffle, 640-positioning projection, 650-first fixing groove, 660-positioning groove, 670-second fixing groove, 700-circuit board, 710-accommodating groove and 800-driving plate.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 to 4, the electromagnetic needle selector of the knitting machine of the present invention is made as follows:
the front side of the aluminum frame 100 is provided with a plurality of rotating shafts 200, the plurality of rotating shafts 200 are arranged on the front side of the aluminum frame 100 at left and right intervals, more than two needle selection tool bits 300 are sleeved on each rotating shaft 200 at upper and lower intervals, the rear side of each needle selection tool bit 300 is provided with a permanent magnet 400, a plurality of electromagnet assemblies 500 are installed on the rear side of the aluminum frame 100, the electromagnet assemblies 500 are arranged in one-to-one correspondence with the permanent magnets 400, wherein the permanent magnets 400 are provided with an N pole and an S pole, each electromagnet assembly 500 comprises an iron core and an electromagnetic coil, and the needle selection tool bits 300 swing around the rotating shafts 200 under the magnetic action of the electromagnet assemblies 500 and the permanent magnets 400 arranged correspondingly so as to move jacquard sheets matched with the needle selection tool bits 300. More than two needle selecting tool bits 300 with the permanent magnets 400 are sleeved on the same rotating shaft 200 to form a multi-position needle selector, compared with the existing staggered installation mode of the multi-position needle selecting tool bits 300, the height of the needle selector is reduced, the overall structure of the needle selector is more compact, meanwhile, a plurality of needle selecting tool bits 300 can be correspondingly arranged on one rotating shaft 200, the limited space is facilitated, more needle selecting tool bits 300 are arranged, the number of shaft holes needing to be machined on the aluminum frame 100 is reduced, and the machining precision of the aluminum frame 100 is reduced.
Specifically, when selecting the needle, the electromagnetic coil is energized with a current in a certain direction to generate a polarity, the magnetic field of the polarity and the magnetic field of the permanent magnet 400 are mutually left and right, and push-pull combination is performed, so that the needle selection tool bit 300 of the needle selector swings to one side around the rotating shaft 200 to act on the sheet teeth of the jacquard sheet, the jacquard sheet pushes the needle selection sheet to select the needle, and the knitting needle is in a working state; when the needle is not selected, the electromagnetic coil is electrified with the current in the opposite direction to generate the opposite polarity, so that the needle selection tool bit 300 of the needle selector swings to the other side to act on the sheet teeth of the jacquard sheet, the jacquard sheet is pressed into the needle groove, the needle selection sheet does not rise along the needle selection triangle, and the knitting needle is in the non-operating state.
In some embodiments, the selector bit 300 includes a body, a blade holder is disposed on a front side of the body, a permanent magnet holder is disposed on a rear side of the body, a blade head portion of the selector bit 300 is disposed in the blade holder, the blade head portion of the selector bit 300 can swing left and right around the rotating shaft 200, the permanent magnet 400 is fixedly mounted in the permanent magnet holder, the permanent magnet holders on two adjacent rotating shafts 200 on the left and right sides are arranged in a vertically staggered manner, so that the permanent magnets 400 on the selector bit 300 can be separated to the maximum extent, interference between the permanent magnets 400 is reduced, swing of the selector bit 300 can be more stable, meanwhile, the blade holder on two adjacent rotating shafts 200 on the left and right sides is arranged side by side, that is, the blade holders on two adjacent needle bits 300 on the left and right sides are arranged side by side, so that the overall structure is more compact.
In order to form a three-position selector, two needle selection tool bits 300 are arranged on each rotating shaft 200, according to different requirements, the two needle selection tool bits 300 on each rotating shaft 200 can be respectively a first needle selection tool bit and a second needle selection tool bit, the tool bit parts of the first needle selection tool bit and the second needle selection tool bit can be in different structures, the tool holders of the needle selection tool bits 300 arranged on the upper side and the tool holders of the needle selection tool bits 300 arranged on the lower side on the left and right adjacent rotating shafts 200 are arranged into a horizontal row, the tool holders of the needle selection tool bits 300 arranged on the lower side are arranged into another horizontal row, and the two-row needle selection tool bits 300 can meet the three-position knitting of the selector and push a knitting needle to perform looping knitting, loop knitting and.
In some embodiments, the positioning baffle 600 is disposed on the front side surface of the aluminum frame 100, the positioning baffle 600 includes an upper baffle 610, a middle baffle 620 and a lower baffle 630, a plurality of upper cutter grooves are formed between the upper baffle 610 and the middle baffle 620, a lower cutter groove is formed between the lower baffle 630 and the middle baffle 620, the upper cutter grooves are disposed in one-to-one correspondence with the needle selection tool bits 300 disposed on the upper side, the lower cutter grooves are disposed in one-to-one correspondence with the needle selection tool bits 300 disposed on the lower side, and three baffles are used to cooperate to form two cutter grooves, i.e., the upper cutter groove and the lower cutter groove, so that the assembly precision.
In some embodiments, the upper end surface and the lower end surface of the middle baffle 620 are respectively provided with at least two positioning protrusions 640 and at least two first fixing grooves 650, the upper baffle 610 and the lower baffle 630 are respectively provided with a positioning groove 660 correspondingly matched with the positioning protrusion 640 and a second fixing groove 670 correspondingly matched with the first fixing groove 650, the first fixing groove 650 and the second fixing groove 670 correspondingly matched with each other are enclosed to form a fixing pin hole, the cooperation between the positioning protrusion 640 and the positioning groove 660 is used for accurate positioning between the three baffles, the first fixing groove 650 and the second fixing groove 670 are matched to form a fixing pin hole, when in use, the positioning protrusion 640 and the first fixing groove 650 are respectively matched with the corresponding positioning groove 660 and the corresponding second fixing groove 670, that is, the upper baffle 610 abuts against the middle baffle 620, the lower baffle 630 abuts against the middle baffle 620, and the fixing pin is extruded into the fixing pin hole, so as to realize the fixation between the upper baffle 610 and the middle baffle 620 and between the lower baffle 630 and the middle baffle 620, only need set up two fixed pinhole, can realize the accurate fixed between three baffles, reduced the quantity of fixed pinhole on the aluminium frame 100.
In some embodiments, the aluminum frame 100 is provided with a circuit board 700 and a driving board 800, the circuit board 700 is disposed above the driving board 800, the plurality of electromagnet assemblies 500 are disposed on the upper side and/or the lower side of the front section of the circuit board 700, in this embodiment, a plurality of electromagnet assemblies are oppositely disposed on the upper side and the lower side of the circuit board 700, the rear section of the circuit board 700 is overlapped with the front section of the driving board 800, the rear section of the circuit board 700 is provided with a plurality of receiving grooves 710, a chip type female socket is disposed in the receiving grooves 710, the chip type female socket is electrically connected with the electromagnet assemblies 500, the front section of the driving board 800 is provided with pins matched with the chip type female socket, by sinking the patch type female socket into the corresponding receiving groove 710 on the circuit board 700, the occupied space of the female socket can be effectively reduced, the space can be saved, and simultaneously, the distance between the female seat and the driving plate 800 is increased, so that the whole structure is more compact.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.
Claims (7)
1. An electromagnetic needle selector of a knitting machine is characterized in that: the method comprises the following steps:
an aluminum frame (100);
a plurality of rotating shafts (200) are arranged, and the rotating shafts (200) are arranged on the front side of the aluminum frame (100) at left and right intervals;
the needle selection tool bits (300) are sleeved on the upper and lower sides of each rotating shaft (200) at intervals, and more than two needle selection tool bits (300) are sleeved on the upper and lower sides of each rotating shaft;
the permanent magnets (400) are arranged on the rear side of each needle selecting cutter head (300);
the electromagnet assemblies (500) are mounted on the aluminum frame (100), the electromagnet assemblies (500) comprise a plurality of electromagnet assemblies (500) which are arranged in one-to-one correspondence with the permanent magnets (400).
2. The electromagnetic selector of knitting machine according to claim 1, characterized in that: the needle selecting cutter head (300) comprises a body, a cutter holder is arranged on the front side of the body, a permanent magnet seat is arranged on the rear side of the body, the permanent magnet (400) is fixedly installed in the permanent magnet seat, and the permanent magnet seats on the left and right adjacent rotating shafts (200) are arranged in a vertically staggered mode.
3. The electromagnetic selector of knitting machine according to claim 2, characterized in that: two needle selection tool bits (300) are arranged on each rotating shaft (200), tool holders of the needle selection tool bits (300) arranged on the upper side on the left rotating shaft and the right rotating shaft (200) which are adjacent are arranged into a transverse row, and tool holders of the needle selection tool bits (300) arranged on the lower side are arranged into another transverse row.
4. The electromagnetic selector of knitting machine according to claim 3, characterized in that: the needle selecting tool bit (300) on each rotating shaft (200) is divided into a first needle selecting tool bit and a second needle selecting tool bit, the first needle selecting tool bit is arranged on the upper side of the rotating shaft (200), and the second needle selecting tool bit is arranged on the lower side of the rotating shaft (200).
5. The electromagnetic selector of knitting machine according to claim 3, characterized in that: the front side surface of the aluminum frame (100) is provided with a positioning baffle (600), the positioning baffle (600) comprises an upper baffle (610), a middle baffle (620) and a lower baffle (630), a plurality of upper cutter grooves are formed between the upper baffle (610) and the middle baffle (620), lower cutter grooves are formed between the lower baffle (630) and the middle baffle (620), the upper cutter grooves are arranged in one-to-one correspondence with the needle selecting cutter heads (300) arranged on the upper side, and the lower cutter grooves are arranged in one-to-one correspondence with the needle selecting cutter heads (300) arranged on the lower side.
6. The electromagnetic selector of knitting machine according to claim 5, characterized in that: the up end of well baffle (620) is equipped with two at least location arch (640) and two at least first fixed slots (650) respectively with lower terminal surface, overhead gage (610) with all be equipped with down on baffle (630) with location arch (640) correspond complex constant head tank (660) and with first fixed slot (650) correspond complex second fixed slot (670), first fixed slot (650) with correspond the complex second fixed slot (670) enclose into a fixed pinhole.
7. The electromagnetic selector of knitting machine according to claim 1, characterized in that: be equipped with circuit board (700) and drive plate (800) on aluminium frame (100), circuit board (700) are located the top of drive plate (800), and is a plurality of electromagnet assembly (500) are located the last side and/or the downside of circuit board (700) front end portion, the back end portion of circuit board (700) with the coincide of the front end portion of drive plate (800), a plurality of storage tanks (710) have been seted up to the back end portion of circuit board (700), be equipped with the female seat of SMD in storage tank (710), the female seat of SMD with electromagnet assembly (500) electric connection, the front end portion of drive plate (800) be equipped with the female seat complex contact pin of SMD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922293779.1U CN211897296U (en) | 2019-12-18 | 2019-12-18 | Electromagnetic needle selector of knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922293779.1U CN211897296U (en) | 2019-12-18 | 2019-12-18 | Electromagnetic needle selector of knitting machine |
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| CN211897296U true CN211897296U (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922293779.1U Active CN211897296U (en) | 2019-12-18 | 2019-12-18 | Electromagnetic needle selector of knitting machine |
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| CN (1) | CN211897296U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115305636A (en) * | 2021-05-04 | 2022-11-08 | 王上慈 | Electromagnetic brake mechanism |
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2019
- 2019-12-18 CN CN201922293779.1U patent/CN211897296U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115305636A (en) * | 2021-05-04 | 2022-11-08 | 王上慈 | Electromagnetic brake mechanism |
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