CN113551634B - Flat knitting machine faller depth of parallelism detection device - Google Patents

Flat knitting machine faller depth of parallelism detection device Download PDF

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Publication number
CN113551634B
CN113551634B CN202111097217.5A CN202111097217A CN113551634B CN 113551634 B CN113551634 B CN 113551634B CN 202111097217 A CN202111097217 A CN 202111097217A CN 113551634 B CN113551634 B CN 113551634B
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China
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sliding
piston piece
cylinder barrel
knitting machine
rod
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CN202111097217.5A
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CN113551634A (en
Inventor
李青
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Nantong Surui Textile Technology Co ltd
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Nantong Surui Textile Technology Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups
    • G01B21/22Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups for measuring angles or tapers; for testing the alignment of axes

Abstract

The invention discloses a device for detecting the parallelism of a needle plate of a flat knitting machine, which comprises a flat plate, wherein the lower end of the flat plate is connected with a guide rail in a limiting and sliding way, a plurality of detecting elements are equidistantly arranged at the upper end of the flat plate, each detecting element comprises a cylinder barrel and a piston piece hermetically and slidably connected with the inner wall of the cylinder barrel, the section of the piston piece is in a T shape, the end with the shorter section diameter of the piston piece penetrates through the cylinder barrel and is fixedly connected with the abutting block, the first spring is sleeved outside the piston piece, and both ends of the first spring are respectively fixedly connected with the cylinder barrel and the abutting block, the middle part of one side of the abutting block far away from the piston piece is embedded with a pressure sensor group, and the plurality of pressure sensor groups are in signal connection with a data processor, the two third sliding grooves are symmetrically formed in the two sides of the pressure sensor groups of the abutting blocks, and L-shaped sliding rods are symmetrically connected in the two third sliding grooves in a limiting sliding mode. The invention can simultaneously detect the parallelism of a plurality of tooth mouth plates, and has accurate and convenient adjustment.

Description

Flat knitting machine faller depth of parallelism detection device
Technical Field
The invention relates to the technical field of flat knitting machines, in particular to a device for detecting parallelism of a needle plate of a flat knitting machine.
Background
The process of knitting yarns into fabric by a knitting needle of a flat knitting machine is called a looping process and can be divided into 8 stages of looping back, lapping, carrying yarns, closing, looping off, looping and drawing and the like. In the looping process, the tooth mouth pieces play a role in pressing a thread, the fabric product quality is determined to a great extent by the parallelism of the tooth mouth pieces, and therefore, a parallelism detection device is required to be used for ensuring the parallelism of the tooth mouth pieces when the tooth mouth pieces are installed on the needle plate.
A current bulletin number is CN213688243U discloses a flat knitting machine faller depth of parallelism detection device, including the device body, device body upper surface mounting has the battery to place the box, device body upper surface is close to the battery and places box one side swing joint and have the switch button, device body both sides evenly install laser emitter, device body both sides swing joint has the pivot, the coupling ring has been cup jointed to the pivot, the inside lubricating oil that is provided with of horizontal measuring instrument, device body, first peripheral plate and second peripheral plate make the material and be the aluminum alloy.
The device body among the depth of parallelism detection device of prior art is when detecting the depth of parallelism of tooth mouth board, can not accurately detect the depth of parallelism of a plurality of tooth mouth boards simultaneously, consequently need repeat many times just can detect the regulation with a plurality of tooth mouth boards one by one, and is too loaded down with trivial details.
Therefore, a needle plate parallelism detecting device of the flat knitting machine is provided to solve the problems.
Disclosure of Invention
The invention aims to provide a needle plate parallelism detection device of a flat knitting machine to solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
a needle plate parallelism detection device of a flat knitting machine comprises a flat plate, a guide rail is connected with the lower end of the flat plate in a limiting sliding mode, a plurality of detection elements are arranged on the upper end of the flat plate at equal intervals, each detection element comprises a cylinder barrel and a piston piece in airtight sliding connection with the inner wall of the cylinder barrel, the cross section of the piston piece is in a T shape, one end of the piston piece with a shorter cross section diameter penetrates through the cylinder barrel and is fixedly connected with a resisting block, a first spring is sleeved outside the piston piece, two ends of the first spring are respectively and fixedly connected with the cylinder barrel and the resisting block, a pressure sensor group is embedded in the middle of one side, far away from the piston piece, of the resisting block, a data processor is connected with a plurality of pressure sensor groups in a signal mode, two third sliding grooves are symmetrically formed in two sides of the pressure sensor group by the resisting block, L-shaped sliding rods are connected in the third sliding grooves in a limiting sliding mode, and one ends, far away from the third sliding grooves, of the L-shaped sliding rods are rotatably provided with idler wheels, the two rollers are in rolling contact with a tooth mouth plate, magnetorheological fluid is filled in the cylinder barrel at one side with a wider section diameter of the piston piece, a first communicating pipe is communicated between every two cylinder barrels, and the cylinder barrels at two sides are respectively communicated with a second communicating pipe; the outer wall fixedly connected with first gleitbretter of L shape slide bar, third spout inner wall inlays and is equipped with the first terminal with first gleitbretter sliding contact, the side channel has been seted up to the tip of cylinder, side channel inner wall fixedly connected with second gleitbretter, the outer wall of piston spare inlays and is equipped with the second terminal with second gleitbretter sliding contact, first gleitbretter and first terminal, second gleitbretter and second terminal all are connected with current detector through the power, current detector and data processor electric connection.
Preferably, a long electromagnetic device is fixedly mounted at the upper end of the flat plate and on one side of the plurality of cylinder barrels, the electromagnetic device is connected with a button switch through an external power supply, and the button switch is fixedly mounted at the upper end of the electromagnetic device.
Preferably, a mounting cavity is arranged in the flat plate, a first sliding groove is arranged on the inner wall of one side of the mounting cavity, the inner walls of the two sides of the first chute are rotationally connected with a bidirectional threaded rod, the external thread of the bidirectional threaded rod is connected with two first sliding blocks, the first sliding block is connected with the first sliding groove in a sliding manner, the other two opposite sides of the installation cavity are respectively provided with a rod groove, the two rod grooves are jointly connected with a sliding rod in a sliding manner, the sliding rods are externally symmetrically sleeved with two sliding sleeves in a sliding manner, the two sliding sleeves correspond to the two first sliding blocks one by one, X-shaped rods with the same number as the cylinder barrels are arranged between the two first sliding blocks and the two sliding sleeves, the X-shaped rod is composed of two connecting rods, the middle parts of the connecting rods are hinged with each other through pins, every two adjacent X-shaped rods are hinged with each other close to one end, and two ends of the X-shaped rods located on two sides are hinged with the two first sliding blocks and the two sliding sleeves respectively.
Preferably, the cross section of the sliding rod is square, and the rod groove is a square groove.
Preferably, the round pin in the middle part of the X-shaped rod is rotatably sleeved with a second sliding block, a second sliding groove communicated with the mounting cavity is formed in the upper end of the flat plate, the second sliding block is connected with the second sliding groove in a sliding mode, and interval scale marks are arranged at the upper end of the flat plate and on one side of the second sliding groove.
Preferably, the second communicating pipe is L-shaped, and one end of the second communicating pipe, which is far away from the cylinder barrel, faces towards the setting.
Compared with the prior art, the invention has the beneficial effects that:
1. the motor drives the two-way threaded rod to enable the two first sliding blocks to move oppositely or oppositely in the first sliding groove along the axial direction, under the transmission of the X-shaped rods, on one hand, the two sliding sleeves are driven to slide synchronously on the sliding rods along with the two first sliding blocks, on the other hand, the pin in the middle of each two adjacent X-shaped rods and the second sliding block slide towards the two-way threaded rod in a contraction mode or slide back to the two-way threaded rod along the second sliding groove, and further, the positions of the cylinder barrel connected with the second sliding block and the positions of the plurality of tooth opening plates to be detected in parallelism correspond one to one, so that the tooth opening plates with different densities can be detected in parallelism.
2. The current magnitude is obtained through the first sliding sheet and the first binding post, and the second sliding sheet and the second binding post, the relative positions of which are changed, the deflection angle and the telescopic length are obtained through the processing of the data processor, and the state of the magnetorheological fluid in the cylinder barrel is changed through the opening and closing of the electromagnetic device, so that the magnetorheological fluid can fix or release the piston piece.
3. The side of the tooth mouth plate is contacted with part of pressure sensors in the pressure sensor group, and can be judged according to the pressure sensing value of the pressure sensors, when the pressure sensors in the pressure sensor group are different, the corresponding tooth mouth plate interval is not uniform, and when the pressure sensors in the pressure sensor group are different, the corresponding tooth mouth plate deflection is indicated.
Drawings
FIG. 1 is a schematic three-dimensional structure diagram of a device for detecting parallelism of needle plates of a flat knitting machine according to the present invention;
FIG. 2 is a partially enlarged schematic view of FIG. 1;
FIG. 3 is a structural cross-sectional view of a flat plate of a parallelism detection device of a needle plate of a flat knitting machine according to the present invention;
FIG. 4 is a structural cross-sectional view of a flat knitting machine needle plate parallelism detection device in plan view, according to the present invention;
FIG. 5 is an enlarged schematic view of the structure at A in FIG. 4;
fig. 6 is an enlarged schematic view of the structure at B in fig. 4.
In the figure: the device comprises a flat plate 1, a first sliding groove 2, a bidirectional threaded rod 3, a motor 4, a first sliding block 5, a sliding rod 6, a sliding sleeve 7, a rod groove 8, a 9X-shaped rod, a second sliding block 10, a second sliding groove 11, a scale mark with a distance of 12, a cylinder 13, a piston 14, a butting block 15, a first spring 16, a third sliding groove 17, a second spring 18, a sliding rod 19L, a first sliding piece 20, a first binding post 21, a pressure sensor group 22, a roller 23, a 24 tooth mouth plate, a side groove 25, a second sliding piece 26, a second binding post 27, an electromagnetic device 28, a button switch 29, a first communicating pipe 30 and a second communicating pipe 31.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, a flat knitting machine needle plate parallelism detection device comprises a flat plate 1, and as an improvement, a guide rail is connected to the lower end of the flat plate 1 in a limiting and sliding manner, so that the flat plate 1 can horizontally slide when parallelism detection is carried out, and the influence on a detection result caused by the random movement of the flat plate 1 is avoided.
The upper end equidistance of flat board 1 is equipped with a plurality of detecting element, specifically, each detecting element includes cylinder 13 and the piston spare 14 with the airtight sliding connection of cylinder 13 inner wall, and the cross-section of piston spare 14 is the T shape, has limiting displacement in cylinder 13, can' T break away from cylinder 13, the shorter one end of 14 cross-sectional diameters of piston spare runs through cylinder 13 and fixedly connected with and supports piece 15, 14 overcoat of piston spare is equipped with first spring 16, and the both ends of first spring 16 respectively with cylinder 13, support piece 15 fixed connection, first spring 16 can be convenient for support 15 later stages of piece and reset.
The middle part of one side of the abutting block 15, which is far away from the piston part 14, is embedded with a pressure sensor group 22, the pressure sensor groups 22 are in signal connection with a data processor, and the pressure sensor group 22 can judge whether the distance between the tooth mouth plates 24 is reasonable and inclined according to the position and the pressure value of the sensed pressure.
Two third sliding grooves 17 are symmetrically formed in two sides of the pressure sensor group 22 of the abutting block 15, L-shaped sliding rods 19 are symmetrically connected in the two third sliding grooves 17 in a limiting sliding mode, one ends, far away from the third sliding grooves 17, of the L-shaped sliding rods 19 are rotatably provided with rolling wheels 23, the two rolling wheels 23 are in rolling contact with a tooth mouth plate 24, and the deviation degree can be known through the change of the positions of the rolling wheels 23 relative to the tooth mouth plate 24.
The cylinder 13 is filled with magnetorheological suspensions in the wider one side of piston 14 cross-section diameter, it has first communicating pipe 30 to communicate jointly between per two cylinders 13, the cylinder 13 that is located both sides communicates respectively has second communicating pipe 31, second communicating pipe 31 is L shape, the one end orientation setting of cylinder 13 is kept away from to second communicating pipe 31, it needs to explain, magnetorheological suspensions do not fill up cylinder 13 completely, but have certain liquid level height in cylinder 13, first communicating pipe 30 all is located on the liquid level of magnetorheological suspensions with second communicating pipe 31, piston 14 promotes the in-process of magnetorheological suspensions in cylinder 13, magnetorheological suspensions can not be excessive through second communicating pipe 31.
The upper end of the flat plate 1 and one side of the plurality of cylinder barrels 13 are fixedly provided with a long electromagnetic device 28, the electromagnetic device 28 is connected with a button switch 29 through an external power supply, the button switch 29 is fixedly arranged at the upper end of the electromagnetic device 28, and the electromagnetic device 28 can be turned on and off through the button switch 29, so that the characteristics of the magnetorheological fluid can be changed.
L shape slide bar 19's outer wall fixedly connected with first gleitbretter 20, third spout 17 inner wall inlays and is equipped with the first terminal 21 with first gleitbretter 20 sliding contact, side slot 25 has been seted up to the tip of cylinder 13, side slot 25 inner wall fixedly connected with second gleitbretter 26, the outer wall of piston piece 14 inlays and is equipped with the second terminal 27 with second gleitbretter 26 sliding contact, first gleitbretter 20 and first terminal 21, second gleitbretter 26 and second terminal 27 all are connected with the current detector through the power, current detector and data processor electric connection, learn the electric current size through relative position first gleitbretter 20 and first terminal 21 that change, second gleitbretter 26 and second terminal 27, obtain skew angle and flexible length through data processor processing.
When the device is used, the guide rail is leveled and fixed, the guide rail vertically faces the plurality of notch plates 24, the plurality of abutting blocks 15 are in one-to-one correspondence with the plurality of notch plates 24, at the moment, the electromagnetic device 28 is in a power-off state, the magnetorheological fluid in each cylinder 13 has the characteristic of low-viscosity Newtonian fluid, the flat plate 1 is pushed along the guide rail, the notch plates 24 firstly abut against the abutting blocks 15, and the piston piece 14 is pushed to move for a certain distance in the cylinder 13.
In the pressing process, firstly, the first spring 16 is compressed to push the magnetorheological fluid to raise the liquid level of the magnetorheological fluid, the second terminal 27 on the outer wall of the piston piece 14 changes the relative position of the piston piece and the second slide piece 26, so that the current of the circuit where the piston piece is located is changed, the data processor compares the current in each circuit to obtain the tooth mouth plate 24 corresponding to the protrusion or the depression, the protrusion value or the depression value is obtained through data conversion, so that a technician can adjust the piston piece according to data, the electromagnetic device 28 can be started through the button switch 29, the magnetorheological fluid is made into high-viscosity low-fluidity Binghan fluid under the action of the magnetic field of the electromagnetic device 28, and the position of the piston piece 14 is fixed, so that the position of each tooth mouth plate 24 is specifically adjusted according to the data;
secondly, the partial pressure sensors of the side face of the tooth mouth plate 24 in the pressure sensor group 22 can be judged according to the pressure sensing values of the pressure sensors, when the positions of the pressure sensors in the pressure sensor group 22 are different, the corresponding tooth mouth plate 24 is not uniform in distance, and when the pressures in the pressure sensor group 22 are different, the corresponding tooth mouth plate 24 is deflected;
third, during the contact between the notch plate 24 and the pressure sensor group 22, the inclined notch plate 24 will push one of the rollers 23 to move away from the pressure sensor group 22, so as to compress the second spring 18 and change the position of the first sliding piece 20 relative to the first terminal 21, thereby changing the current magnitude of the circuit in which it is located and obtaining the deflection degree through the data processor. It is to be noted that the invention is suitable for detection of small degrees of tilt and small pitch non-uniformities, and those that are particularly apparent do not require the use of the invention for detection at all.
Be equipped with the installation cavity in dull and stereotyped 1, first spout 2 has been seted up to one side inner wall of installation cavity, the both sides inner wall of first spout 2 rotates and is connected with two-way threaded rod 3, 3 threaded connection of two-way threaded rod have two first sliders 5, and first slider 5 and 2 sliding connection of first spout, rod groove 8 has all been seted up to the other double-phase offside of installation cavity, the common sliding connection in two rod grooves 8 has slide bar 6, slide bar 6's cross-section is squarely, rod groove 8 is square groove, make slide bar 6 slide in rod groove 8.
Two sliding sleeves 7 are symmetrically sleeved outside the sliding rod 6 in a sliding manner, the two sliding sleeves 7 correspond to the two first sliding blocks 5 one by one, X-shaped rods 9 with the same number as that of the cylinder barrels 13 are arranged between the two first sliding blocks 5 and the two sliding sleeves 7, each X-shaped rod 9 is composed of two connecting rods with the middle parts hinged with each other by using a pin, each two adjacent X-shaped rods 9 are hinged with each other near one end, two ends of the X-shaped rods 9 positioned at two sides are respectively hinged with the two first sliding blocks 5 and the two sliding sleeves 7, the pin at the middle part of each X-shaped rod 9 is rotatably sleeved with a second sliding block 10, a second sliding chute 11 communicated with the installation cavity is arranged at the upper end of the flat plate 1, the second sliding block 10 is connected with the second sliding chute 11 in a sliding manner, the upper end face of the second sliding block 10 protrudes out of the second sliding chute 11 so that the cylinder barrels 13 cannot be scraped with the upper end face of the flat plate 1, interval scale lines 12 are arranged at the upper end of the flat plate 1 and one side of the second sliding chute 11, so that the technician adjusts the spacing of the plurality of notch plates 24 according to the spacing tick marks 12.
When the present invention is used, the distances between the plurality of second sliders 10 can be correspondingly adjusted according to the actual distances between the plurality of notch plates 24, and the positions of the second sliders 10 can be synchronously adjusted with reference to the distance scale lines 12, specifically as follows:
the motor 4 drives the bidirectional threaded rod 3 to enable the two first sliding blocks 5 to move oppositely or oppositely in the first sliding groove 2 along the axial direction, under the transmission of the X-shaped rods 9, on one hand, the two sliding sleeves 7 are driven to slide synchronously on the sliding rod 6 along with the two first sliding blocks 5, on the other hand, the pin in the middle of each two adjacent X-shaped rods 9 and the second sliding block 10 slide towards the bidirectional threaded rod 3 in a contraction mode or slide towards the bidirectional threaded rod 3 in an expansion mode along the second sliding groove 11, and then the cylinder barrel 13 connected with the second sliding block 10 corresponds to the positions of the plurality of notch plates 24 to be detected in parallelism one-to-one mode.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (6)

1. The utility model provides a flat knitting machine faller depth of parallelism detection device, includes flat board (1), its characterized in that: the lower end of the flat plate (1) is in limited sliding connection with a guide rail, a plurality of detection elements are arranged on the upper end of the flat plate (1) at equal intervals, each detection element comprises a cylinder barrel (13) and a piston piece (14) in airtight sliding connection with the inner wall of the cylinder barrel (13), the cross section of the piston piece (14) is in a T shape, one end, with the shorter cross section diameter, of the piston piece (14) penetrates through the cylinder barrel (13) and is fixedly connected with a resisting block (15), a first spring (16) is sleeved outside the piston piece (14), two ends of the first spring (16) are respectively and fixedly connected with the cylinder barrel (13) and the resisting block (15), a pressure sensor group (22) is embedded in the middle of one side, away from the piston piece (14), of the resisting block (15), the pressure sensor groups (22) are in signal connection with a data processor, two third sliding grooves (17) are symmetrically formed in the two sides of the resisting block (15) on the pressure sensor group (22), the two third sliding grooves (17) are internally and symmetrically limited and slidably connected with L-shaped sliding rods (19), one ends, far away from the third sliding grooves (17), of the L-shaped sliding rods (19) are rotatably provided with rollers (23), the two rollers (23) are in rolling contact with a tooth mouth plate (24), magnetorheological fluid is filled in one side, with the wider section diameter, of the piston piece (14) of each cylinder barrel (13), a first communicating pipe (30) is communicated between every two cylinder barrels (13), and the cylinder barrels (13) on the two sides are respectively communicated with second communicating pipes (31);
the outer wall fixedly connected with first gleitbretter (20) of L shape slide bar (19), third spout (17) inner wall inlays and is equipped with first terminal (21) with first gleitbretter (20) sliding contact, side channel (25) have been seted up to the tip of cylinder (13), side channel (25) inner wall fixedly connected with second gleitbretter (26), the outer wall of piston spare (14) inlays and is equipped with second terminal (27) with second gleitbretter (26) sliding contact, first gleitbretter (20) and first terminal (21), second gleitbretter (26) and second terminal (27) all are connected with current detector through the power, current detector and data processor electric connection.
2. The device for detecting parallelism of a needle plate of a flat knitting machine according to claim 1, characterized in that: the upper end of the flat plate (1) is fixedly provided with a long electromagnetic device (28) on one side of the plurality of cylinder barrels (13), the electromagnetic device (28) is connected with a button switch (29) through an external power supply, and the button switch (29) is fixedly arranged on the upper end of the electromagnetic device (28).
3. The device for detecting parallelism of a needle plate of a flat knitting machine according to claim 1, characterized in that: the flat plate (1) is internally provided with a mounting cavity, the inner wall of one side of the mounting cavity is provided with a first sliding chute (2), the inner walls of two sides of the first sliding chute (2) are rotatably connected with a bidirectional threaded rod (3), the bidirectional threaded rod (3) is in external thread connection with two first sliding blocks (5), the first sliding blocks (5) are in sliding connection with the first sliding chute (2), the other two opposite sides of the mounting cavity are respectively provided with a rod groove (8), the two rod grooves (8) are jointly in sliding connection with a sliding rod (6), the sliding rod (6) is externally and symmetrically sleeved with two sliding sleeves (7), the two sliding sleeves (7) correspond to the two first sliding blocks (5) in position one to one, X-shaped rods (9) with the same number as that of the cylinder barrels (13) are arranged between the two first sliding blocks (5) and the two sliding sleeves (7), and each X-shaped rod (9) is composed of two connecting rods with the middle parts hinged with each other by using a pin, every two adjacent X-shaped rods (9) are close to one end and hinged to each other, and two ends of the X-shaped rods (9) located on two sides are hinged to the two first sliding blocks (5) and the two sliding sleeves (7) respectively.
4. The device for detecting parallelism of a faller of a flat knitting machine according to claim 3, wherein: the cross section of the sliding rod (6) is square, and the rod groove (8) is a square groove.
5. The device for detecting parallelism of a faller of a flat knitting machine according to claim 3, wherein: the round pin in X shape pole (9) middle part rotates the cover and is equipped with second slider (10), second spout (11) with the installation cavity intercommunication are seted up to the upper end of dull and stereotyped (1), and second slider (10) and second spout (11) sliding connection, the upper end of dull and stereotyped (1) and be equipped with interval scale mark (12) in one side of second spout (11).
6. The device for detecting parallelism of a needle plate of a flat knitting machine according to claim 1, characterized in that: the second communicating pipe (31) is L-shaped, and one end of the second communicating pipe (31) far away from the cylinder barrel (13) faces towards the setting.
CN202111097217.5A 2021-09-18 2021-09-18 Flat knitting machine faller depth of parallelism detection device Active CN113551634B (en)

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CN207881676U (en) * 2018-02-12 2018-09-18 河南杰瑞织造科技有限公司 Woollen sweater flat machine needle plate parallelism detection device
CN213336001U (en) * 2020-10-23 2021-06-01 浙江好派服饰有限公司 Flat knitting machine with rotating shaft symmetry degree detection mechanism
CN213688243U (en) * 2020-12-29 2021-07-13 于都利德服饰有限公司 Flat knitting machine faller depth of parallelism detection device

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