CN111879223A - Device and method for detecting flatness of large bar of computerized flat knitting machine - Google Patents
Device and method for detecting flatness of large bar of computerized flat knitting machine Download PDFInfo
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- CN111879223A CN111879223A CN202010753584.5A CN202010753584A CN111879223A CN 111879223 A CN111879223 A CN 111879223A CN 202010753584 A CN202010753584 A CN 202010753584A CN 111879223 A CN111879223 A CN 111879223A
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- knitting machine
- flat knitting
- dial indicator
- measuring
- bending plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/28—Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
Abstract
The application discloses a device and a method for detecting flatness of a large bar of a computerized flat knitting machine, and relates to the technical field of flatness detection. The technical scheme is that the detection device for the flatness of the large bar of the computerized flat knitting machine comprises a bending plate with an L-shaped cross section for fitting the surface of the large bar of the flat knitting machine, wherein a first dial indicator for measuring the surface flatness of the large bar of the flat knitting machine is fixedly installed on one end side wall of the bending plate, and a second dial indicator for measuring the flatness of a machine head guide rod supported on the large bar of the flat knitting machine is also arranged on the bending plate, and the bending plate is further provided with a control mechanism for controlling the first dial indicator and the second dial indicator to retract a measuring pin. This application is rational in infrastructure, can effectively measure the roughness on flat-bed machine thick stick and aircraft nose guide bar surface fast.
Description
Technical Field
The application relates to the technical field of flatness detection, in particular to a device and a method for detecting flatness of a large bar of a computerized flat knitting machine.
Background
The computerized flat knitting machine is a double-needle plate latch needle weft knitting machine, its cam device is like a group of plane cams, the stitch of the knitting needle can be fed into the channel of the cam, the cam can be moved, the knitting needle can be forced to make regular lifting movement in the needle channel of the needle plate, and the yarn can be knitted into knitted fabric by means of the action of needle hook and needle latch. In the ascending process of the knitting needle, the coil gradually withdraws from the needle hook, the needle latch is opened, and the withdrawing needle latch is hung on the needle rod; during the descending process of the knitting needle, the needle hook hooks the newly laid yarn and draws and bends the newly laid yarn into a coil, meanwhile, the original coil is separated from the needle hook, the new coil passes through the old coil and is connected with the old coil in series, and the coil strings knitted by a plurality of knitting needles are mutually connected to form the knitted fabric.
The flat knitting machine large bar is a part used for installing the needle plate on the computerized flat knitting machine, and if the flatness error of the flat knitting machine is large, the position of the needle plate after the needle plate is installed on the flat knitting machine large bar is deviated, so that the knitting needle cannot accurately act on the yarn, and the needle leakage phenomenon is easy to occur.
In order to solve the problems, the application provides a novel computerized flat knitting machine large bar flatness detection device and a detection method.
Disclosure of Invention
In order to measure the flatness of a large bar of a flat knitting machine conveniently, the application provides a device and a method for detecting the flatness of the large bar of the flat knitting machine.
In a first aspect, the application provides a detection apparatus for computerized flat knitting machine thick stick roughness, adopts following scheme:
the utility model provides a detection apparatus for computerized flat knitting machine thick stick roughness, includes that the cross-section is the L type with the bending plate of laminating flat knitting machine thick stick surface, the one end lateral wall installation of bending plate is fixed with the first amesdial that is used for measuring flat knitting machine thick stick surface roughness to carry out the second amesdial that measures to the aircraft nose guide bar roughness that supports on the flat knitting machine thick stick, still be provided with on the bending plate and be used for control first amesdial with the control mechanism of second amesdial between them needle measurement withdrawal.
Through adopting above-mentioned scheme, when measuring, the bending plate laminating is placed on the flat-bed machine thick stick to make the gauge needle butt of first thousandth table on the surface of the big thick stick of flat-bed machine, the gauge needle butt of second amesdial is on the surface of aircraft nose guide bar, then remove the bending plate along the length direction of the big thick stick of flat-bed machine, remove the numerical value range of beating of in-process observation first thousandth table and second amesdial, thereby can measure the big thick stick of flat-bed machine, the roughness of aircraft nose guide bar convenient and fast.
The application is further configured to: the bending plate is fixedly connected with a handle, the first dial indicator and the second dial indicator respectively correspond to one control mechanism, the control mechanism comprises a fixing frame fixed on the bending plate, a limiting ring is fixedly connected to the fixing frame, the limiting ring and a measuring pin of the dial indicator are coaxially arranged and are arranged on one side, deviating from a measuring end of the measuring pin, of the dial indicator, a limiting sleeve is fixedly connected to the bending plate, one end, deviating from the measuring end of the measuring pin, of the dial indicator is connected with an elastic rope which is in a loose state in a normal state, the elastic rope sequentially penetrates through the limiting ring and the limiting sleeve and is connected with a pull ring, and the diameter of the pull ring is larger than that of the limiting sleeve.
By adopting the scheme, the measuring needles of the first dial indicator and the second dial indicator can be controlled to retract, and the measuring needles are prevented from colliding with a large bar and a machine head guide rod of the flat knitting machine at the beginning.
The application is further configured to: the bending plate is fixedly connected with a Z-shaped rod, one end of the Z-shaped rod is fixedly connected to the bending plate, the first dial indicator is fixed to the other end of the Z-shaped rod, an installation rod abuts against the side face of the Z-shaped rod, the second dial indicator is fixed to the installation rod, a waist-shaped hole is formed in the installation rod and is axially arranged along the installation rod, a fixing bolt penetrates through the waist-shaped hole, and the fixing bolt is in threaded connection with the Z-shaped rod and tightly presses the installation rod onto the Z-shaped rod.
By adopting the scheme, the angle between the first dial indicator and the second dial indicator can be adjusted to a certain degree.
The application is further configured to: the installation pole with still be provided with the friction cushion between the Z type pole, the both sides face of friction cushion respectively support tightly in the Z type pole with the installation pole.
By adopting the scheme, the second dial indicator is prevented from generating loosening and offsetting after being fixed.
The application is further configured to: the Z-shaped rod and the mounting rod are provided with through holes penetrating through the Z-shaped rod and the mounting rod, the measuring needle sleeves of the first dial indicator and the second dial indicator are inserted into the through holes, positioning bolts are connected to the Z-shaped rod and the mounting rod in a threaded mode and abut against the side walls of the measuring needle sleeves.
Through adopting above-mentioned scheme, make things convenient for the first amesdial of dismouting and second amesdial, conveniently adjust the table orientation of first amesdial and second amesdial simultaneously.
The application is further configured to: the outer of the needle measuring sleeve of the first dial indicator and the second dial indicator is further sleeved with a protective tube which is rotatably connected with the needle measuring sleeve, and the positioning bolt is tightly abutted to the side wall of the protective tube.
By adopting the above scheme, the extension and retraction of the measuring needle caused by the deformation of the measuring needle sleeve pipe are avoided, and the gauge orientation of the first dial gauge and the second dial gauge is conveniently adjusted.
The application is further configured to: the bending plate is used for being attached to one surface of the flat knitting machine large bar, a guide plate fixed on the flat knitting machine large bar during measurement is further connected to the surface of the flat knitting machine large bar, a sliding groove is formed in the guide plate, and a sliding block is fixedly connected to the bending plate and is connected to the inside of the sliding groove in a sliding mode.
Through adopting above-mentioned scheme, it sets up the deflector and sets up the bending plate more level and more smooth when sliding, makes things convenient for the bending plate to slide for the roughness is measured more conveniently.
In a second aspect, the application provides a computer flat knitting machine large bar flatness detection method, which adopts the following scheme:
a method for detecting the flatness of a large bar of a computerized flat knitting machine comprises S1, holding a handle to lift a bent plate part, hooking a pull ring by two fingers, and pulling a measuring needle of a dial indicator by an elastic rope to enable a measuring end of the measuring needle to retract; s2, placing the bending plate on a large bar of the flat knitting machine in an attaching mode, and then releasing the two pull rings to enable the measuring needle of the first dial gauge to abut against the surface of the large bar of the flat knitting machine for measurement, and enable the measuring needle of the second dial gauge to abut against the surface of the machine head guide rod for measurement; s3, sliding the bending plate along the length direction of the flat knitting machine bar, observing the numerical value change of the first dial indicator and the second dial indicator simultaneously, and observing whether the numerical value change is in an allowable range to judge whether the flatness is qualified.
By adopting the scheme, the flatness of the flat knitting machine large bar and the machine head guide rod can be rapidly measured.
The application is further configured to: before the step S1, a guide plate is fixed on a large bar of the flat knitting machine, the guide plate covers part of the surface of the large bar of the flat knitting machine, a bending plate is installed on the guide plate, a sliding block on the bending plate is embedded in a sliding groove, when measurement is carried out in the step S2, the bending plate slides along the guide plate, the sliding block slides in the sliding groove, a measuring needle of a first dial indicator still abuts against the surface of the large bar of the flat knitting machine to carry out measurement, and a measuring needle of a second dial indicator still abuts against the surface of a machine head guide rod to carry out measurement.
Through adopting above-mentioned scheme, be convenient for more remove the bending plate and measure.
In summary, the present application has the following beneficial effects: the flatness of the flat knitting machine large bar and the machine head guide rod can be measured quickly.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
fig. 2 is an enlarged view of a portion a in fig. 1.
Reference numerals: 1. a bending plate; 2. a first kilo-decimeter; 3. a second dial indicator; 4. a control mechanism; 5. a handle; 6. a fixed mount; 7. a limiting ring; 8. a limiting sleeve; 9. an elastic cord; 10. a pull ring; 11. a Z-shaped rod; 12. mounting a rod; 13. a kidney-shaped hole; 14. fixing the bolt; 15. rubbing the soft cushion; 16. perforating; 17. positioning the bolt; 18. protecting the tube; 19. a guide plate; 20. a chute; 21. a slide block.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses detection device of big thick stick roughness of computerized flat knitting machine, combine fig. 1 and fig. 2 to show, including the cross-section for L type with laminating the buckle plate 1 on the big thick stick surface of flat knitting machine, the one end lateral wall installation of buckle plate 1 is fixed with first thousandths table 2 that is used for measuring the big thick stick surface flatness of flat knitting machine, and carry out measuring second amesdial 3 to the aircraft nose guide bar roughness that supports on the big thick stick of flat knitting machine, and, still be provided with the control mechanism 4 that is used for controlling the survey needle withdrawal of first thousandths table 2 and second amesdial 3 two on buckle plate 1.
Fixedly connected with handle 5 on bending plate 1, control mechanism 4 is provided with two and corresponds first thousandth table 2 and second amesdial 3 respectively, the mount 6 on bending plate 1 is fixed that control mechanism 4 includes, fixedly connected with spacing ring 7 on mount 6, spacing ring 7 sets up the one side that deviates from the measuring tip at the amesdial with the measuring needle coaxial arrangement of amesdial and sets up, still fixedly connected with stop collar 8 on bending plate 1, the one end that the amesdial measuring needle deviates from its measuring section is connected with the elasticity rope 9 that is lax state under the normality, elasticity rope 9 passes spacing ring 7 and stop collar 8 in proper order and is connected with pull ring 10, the diameter of pull ring 10 is greater than the diameter of stop collar 8 in order to prevent that it from passing through the sleeve pipe.
When measuring, lift up buckling plate 1 through handle 5, then catch on two pull rings 10 and pulling with the finger, elasticity rope 9 draws the withdrawal to a certain extent with the survey needle of first thousandth table 2 and second amesdial 3, then place buckling plate 1 laminating on the flat-bed machine thick stick, loosen pull ring 10 again, make the survey needle butt of first thousandth table 2 on the surface of the flat-bed machine thick stick, make the survey needle butt of second amesdial 3 on the surface of aircraft nose guide bar, then buckle plate 1 slides along the big thick stick length direction of flat-bed machine, and observe the numerical value change of noting first thousandth table 2 and second amesdial 3.
In order to avoid the influence of excessive carrying of the flat knitting machine bar during measurement and to facilitate sliding of the bending plate 1 for measurement, one surface of the bending plate 1 for attaching to the flat knitting machine bar is also connected with a guide plate 19 fixed on the flat knitting machine bar during measurement, the guide plate 19 is provided with a sliding groove 20, the bending plate 1 is fixedly connected with a sliding block 21, and the sliding block 21 is slidably connected in the sliding groove 20.
Still fixedly connected with Z type pole 11 on bending plate 1, the one end fixed connection of Z type pole 11 is on bending plate 1, first thousandth table 2 is fixed on the other end of Z type pole 11, the side butt of Z type pole 11 has installation pole 12, second thousandth table 3 is fixed on installation pole 12, be provided with along the kidney type hole 13 of its axial setting on installation pole 12, it has fixing bolt 14 to pass in kidney type hole 13, fixing bolt 14 threaded connection is in Z type pole 11 and compresses tightly installation pole 12 on Z type pole 11. In order to prevent the installation rod 12 from swinging after being fixed, a friction cushion 15 (not shown in the figure) is also arranged between the installation rod 12 and the Z-shaped rod 11, two side surfaces of the friction cushion 15 respectively abut against the Z-shaped rod 11 and the installation rod 12, and friction is increased through the friction cushion 15 to prevent the installation rod 12 from swinging.
The setting between installation pole 12 and the Z type pole 11 for outside first amesdial 2 and second amesdial 3 can stretch out bending plate 1 scope, and the angle between second amesdial 3 and the first amesdial 2 can be adjusted, conveniently adjusts second amesdial 3 and measures in order to measure the aircraft nose guide bar roughness smoothly.
The Z-shaped rod 11 and the mounting rod 12 are provided with through holes 16 (not shown in the figure) penetrating through the Z-shaped rod 11 and the mounting rod 12, the needle measuring sleeves of the first dial indicator 2 and the second dial indicator 3 are inserted into the through holes 16, the needle measuring sleeves of the first dial indicator 2 and the second dial indicator 3 are further sleeved with protective tubes 18 (not shown in the figure) rotatably connected with the needle measuring sleeves, the Z-shaped rod 11 and the mounting rod 12 are both in threaded connection with positioning bolts 17, and the positioning bolts 17 abut against the side walls of the protective tubes 18. So that the first dial indicator 2 and the second dial indicator 3 facilitate the adjustment of the orientation of the indicator for easy observation.
The embodiment of the application also discloses a method for detecting the flatness of the large bar of the computerized flat knitting machine, which comprises S1, wherein the handle 5 is held to lift the part of the bending plate 1, the pull ring 10 is hooked by two fingers, and the measuring needle of the dial indicator is pulled by the elastic rope 9 to retract the measuring end of the measuring needle;
s2, placing the bending plate 1 on a large bar of a flat knitting machine in an attaching mode, and then releasing the two pull rings 10 to enable the measuring needle of the first dial gauge 2 to abut against the surface of the large bar of the flat knitting machine for measurement, and enable the measuring needle of the second dial gauge 3 to abut against the surface of a machine head guide rod for measurement;
s3, sliding the bending plate 1 along the length direction of the flat knitting machine bar, simultaneously observing the numerical value change of the first dial indicator 2 and the second dial indicator 3, and observing whether the numerical value change is in an allowable range to judge whether the flatness is qualified.
Before the step S1, a guide plate 19 is fixed to the flat knitting machine bar, the guide plate 19 covers part of the surface of the flat knitting machine bar, the bending plate 1 is mounted on the guide plate 19 so that a slider 21 on the bending plate 1 is embedded in a chute 20, when measurement is performed in the step S2, the bending plate 1 slides along the guide plate 19, the slider 21 slides in the chute 20, the needle of the first dial gauge 2 is still abutted against the surface of the flat knitting machine bar for measurement, and the needle of the second dial gauge 3 is still abutted against the surface of the head guide bar for measurement.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (9)
1. The utility model provides a detection apparatus for computerized flat knitting machine thick stick roughness which characterized in that: including cross-section for L type with the buckle plate (1) of laminating flat-bed machine thick stick surface, the one end lateral wall installation of buckle plate (1) is fixed with first thousandths table (2) that are used for measuring flat-bed machine thick stick surface roughness to carry out measuring second amesdial (3) to the aircraft nose guide bar roughness that supports on the flat-bed machine thick stick, still be provided with on buckle plate (1) and be used for control first thousandths table (2) with control mechanism (4) of the survey pin withdrawal between second amesdial (3).
2. The device for detecting the flatness of the large bar of the computerized flat knitting machine according to claim 1, characterized in that: a handle (5) is fixedly connected to the bending plate (1), the first dial indicator (2) and the second dial indicator (3) respectively correspond to one control mechanism (4), the control mechanism (4) comprises a fixed frame (6) fixed on the bending plate (1), the fixing frame (6) is fixedly connected with a limiting ring (7), the limiting ring (7) is coaxially arranged with the measuring needle of the dial indicator and is arranged at one side of the dial indicator deviating from the measuring end of the measuring needle, the bending plate (1) is also fixedly connected with a limiting sleeve (8), one end of the dial indicator measuring pin deviating from the measuring end is connected with an elastic rope (9) which is in a loose state under normal state, the elastic rope (9) sequentially passes through the limiting ring (7) and the limiting sleeve (8) and is connected with a pull ring (10), the diameter of the pull ring (10) is larger than that of the limiting sleeve (8).
3. The device for detecting the flatness of the large bar of the computerized flat knitting machine according to claim 2, characterized in that: still fixedly connected with Z type pole (11) on bending plate (1), the one end fixed connection of Z type pole (11) is in on bending plate (1), first decimeter (2) are fixed on the other end of Z type pole (11), the side butt of Z type pole (11) has connect installation pole (12), second amesdial (3) are fixed on installation pole (12), be provided with waist type hole (13) along its axial setting on installation pole (12), fixing bolt (14) have been passed in waist type hole (13), fixing bolt (14) threaded connection in Z type pole (11) and with installation pole (12) compress tightly on Z type pole (11).
4. The device for detecting the flatness of the large bar of the computerized flat knitting machine according to claim 3, wherein: the installation pole (12) with still be provided with friction cushion (15) between Z type pole (11), the both sides face of friction cushion (15) respectively support tightly in Z type pole (11) with installation pole (12).
5. The device for detecting the flatness of the large bar of the computerized flat knitting machine according to claim 4, wherein: the Z-shaped rod (11) and the mounting rod (12) are provided with through holes (16) penetrating through the Z-shaped rod and the mounting rod, the measuring needle sleeves of the first dial indicator (2) and the second dial indicator (3) are inserted into the through holes (16), the Z-shaped rod (11) and the mounting rod (12) are connected with positioning bolts (17) in a threaded mode, and the positioning bolts (17) abut against the side walls of the measuring needle sleeves.
6. The device for detecting the flatness of the large bar of the computerized flat knitting machine according to claim 5, wherein: the outer parts of the needle measuring sleeves of the first dial indicator (2) and the second dial indicator (3) are further sleeved with a protective tube (18) which is rotationally connected with the needle measuring sleeves, and the positioning bolt (17) abuts against the side wall of the protective tube (18).
7. The device for detecting the flatness of the large bar of the computerized flat knitting machine according to claim 6, wherein: bending plate (1) is used for laminating one side on the flat-bed machine thick stick surface still is connected with deflector (19) of fixing on the flat-bed machine thick stick during the measurement, be provided with spout (20) on deflector (19), fixedly connected with slider (21) on bending plate (1), slider (21) sliding connection be in spout (20).
8. A method for detecting the flatness of a bar of a computerized flat knitting machine by using the detecting device of claim 7, comprising the steps of: the method comprises S1, wherein a handle (5) is held to lift a part of a bending plate (1), two fingers are used for hooking a pull ring (10), and a measuring needle of a dial indicator is pulled through an elastic rope (9) so that a measuring end of the measuring needle retracts; s2, the bending plate (1) is placed on a large bar of the flat knitting machine in a fitting mode, then the two pull rings (10) are released, so that the measuring needle of the first dial indicator (2) abuts against the surface of the large bar of the flat knitting machine to be measured, and the measuring needle of the second dial indicator (3) abuts against the surface of a machine head guide rod to be measured; s3, sliding the bending plate (1) along the length direction of the flat knitting machine bar, observing the numerical value change of the first dial indicator (2) and the second dial indicator (3) simultaneously, and observing whether the numerical value change is in an allowable range to judge whether the flatness is qualified.
9. The method for detecting the flatness of the large bar of the computerized flat knitting machine according to claim 8, wherein the method comprises the following steps: before the step S1, a guide plate (19) is fixed on a flat knitting machine bar, the guide plate (19) covers part of the surface of the flat knitting machine bar, a bending plate (1) is installed on the guide plate (19) to enable a sliding block (21) on the bending plate (1) to be embedded in a sliding groove (20), when measurement is carried out in the step S2, the bending plate (1) slides along the guide plate (19), the sliding block (21) slides in the sliding groove (20), a measuring needle of a first dial indicator (2) is still abutted against the surface of the flat knitting machine bar for measurement, and a measuring needle of a second dial indicator (3) is still abutted against the surface of a machine head guide rod for measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010753584.5A CN111879223A (en) | 2020-07-30 | 2020-07-30 | Device and method for detecting flatness of large bar of computerized flat knitting machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010753584.5A CN111879223A (en) | 2020-07-30 | 2020-07-30 | Device and method for detecting flatness of large bar of computerized flat knitting machine |
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| CN111879223A true CN111879223A (en) | 2020-11-03 |
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| CN202010753584.5A Pending CN111879223A (en) | 2020-07-30 | 2020-07-30 | Device and method for detecting flatness of large bar of computerized flat knitting machine |
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| CN205002723U (en) * | 2015-09-25 | 2016-01-27 | 浙江骏业工具有限公司 | Saw blade roughness detection device |
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| CN207180568U (en) * | 2017-08-29 | 2018-04-03 | 平湖市宇达精密机械有限公司 | A kind of cubing for detecting long drill gun flexibility |
| CN108180818A (en) * | 2018-03-05 | 2018-06-19 | 苏州市职业大学（苏州开放大学） | A kind of high-precision detector for measuring L-type planeness of workpiece verticality |
| CN210221467U (en) * | 2019-07-19 | 2020-03-31 | 中航富士达科技股份有限公司 | A capability test frock for mao button |
| CN111397490A (en) * | 2020-04-29 | 2020-07-10 | 浙江四强轴承制造有限公司 | Miniature slider detecting instrument |
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- 2020-07-30 CN CN202010753584.5A patent/CN111879223A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101329237A (en) * | 2008-07-31 | 2008-12-24 | 中国核动力研究设计院 | Device for measuring breaking- after lateral swelling capacity of impact test piece after irradiation |
| CN202770375U (en) * | 2012-05-18 | 2013-03-06 | 嘉兴敏德汽车零部件有限公司 | Sliding type detection mechanism |
| CN205002723U (en) * | 2015-09-25 | 2016-01-27 | 浙江骏业工具有限公司 | Saw blade roughness detection device |
| CN206459662U (en) * | 2017-02-15 | 2017-09-01 | 金实斌 | A kind of levelness test device of workbench |
| CN207180568U (en) * | 2017-08-29 | 2018-04-03 | 平湖市宇达精密机械有限公司 | A kind of cubing for detecting long drill gun flexibility |
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Application publication date: 20201103 |