Sinker positioning method

Abstract

The invention relates to the field of flat knitting machines, in particular to a sinker positioning method which comprises a sinker body and a positioning piece, the sinker body needs to be provided with a positioning edge of a continuous fluctuating structure, and the positioning edge at least comprises a first limit, a second limit and a third limit and has elastic deformation capacity. The first limit, the second limit and the third limit respectively correspond to the three-station state of the sinker; when the sinker is driven by external force, the positioning piece can be relatively switched among the three limiting positions; and when the sinker is not driven by external force, the positioning piece is kept at the current position, so that the sinker is prevented from swinging due to vibration. After the scheme is adopted, the sinker can be more stable during working.

Description

Technical Field

[0001] The invention relates to the field of flat knitting machines, and in particular to a sinker positioning method. Background Art

[0002] The sinker is an accessory for knitting machinery. When used on the double needle bed of a computerized flat knitting machine, it is spread out along the mouth of the needle bed and distributed in the knitting area at the mouth of the needle bed. The sinker is arranged next to each knitting needle. The sinker is set on a spacer and isolated from each other by the spacer. The sinker controls the old coil and new yarn on each knitting needle, assists the knitting needle in withdrawing the coil, and can be rotated open relative to the mouth of the needle bed to make room for coil formation.

[0003] The sinker is generally arranged between the knitting needles on the needle bed of the flat knitting machine, and swings with the side of the needle plate hole of the needle bed as the fulcrum. The cam mechanism arranged on the slide drives the push plate to drive the needle butt part (also called the driving part) of the sinker to enter or exit the needle plate hole.

[0004] There is no unified industry standard for sinkers. Therefore, under the premise of having basic functions, they have various structures according to the design ideas of technicians and the required functions. For example, there are sinkers with a relatively square overall shape as described in WO2022248143A1 of Groz-Beckert, sinkers with return springs as described in CN218507988U of Shima Seiki, and relatively wide sinkers as described in CN202298045U and CN202227057U of Ningbo Cixing.

[0005] However, there is a problem with the existing sinkers, especially in flat knitting machines that require a shaking bed needle moving function. The vibration of the needle bed will cause the sinkers to swing, which may cause the sinkers on the needle beds on both sides to overlap laterally at the needle mouth, thereby causing the sinkers to collide with each other.

[0006] Therefore, the inventor conducted further research and developed a method for positioning a sinker, which resulted in the present invention. Summary of the invention

[0007] The object of the present invention is to provide a sinker positioning method, which can make the sinker more stable during operation.

[0008] In order to achieve the above object, the technical solution of the present invention is as follows:

[0009] A sinker positioning method includes a sinker body and a positioning member. The method requires that the sinker body is provided with a positioning edge with a continuous undulating structure, the positioning edge includes at least a first limit position, a second limit position, and a third limit position, and has elastic deformation capability, the first limit position, the second limit position, and the third limit position respectively correspond to the three working positions of the sinker;

[0010] When the sinker is driven by external force, the positioning member can relatively switch between three limit positions;

[0011] When the sinker is not driven by external force, the positioning member remains at the current position, so that the sinker is not vibrated and swung.

[0012] The sinker is generally positioned by a limit piece such as a feeler gauge or a steel wire, and is swung by passing the steel wire through it as an axis. However, the existing limit pieces cannot prevent the sinker from swinging due to vibration, and the sinker itself needs to have a certain "resistance" to prevent the displacement caused by vibration. Therefore, three limit pieces of the sinker are set to correspond to the three working or functional states of the sinker (that is, the three working positions in the aforementioned scheme), and the working positions are switched by pushing the heel of the sinker: they are respectively the non-working state, the initial line pressing state (at this time, a rocking action is performed, and ideally, the sinkers on the two needle beds will not collide), and the deep line pressing state (at this time, the rocking action cannot be performed, and the sinkers overlap laterally at the needle mouth). When the heel of the sinker is not subjected to force, the sinker cannot be switched between the limit states by vibration alone. When subjected to thrust, the positioning edge has elastic deformation ability, and therefore does not affect the normal operation of the sinker. The external force described in the aforementioned scheme is the force that actively pushes the sinker, and does not include the force generated by vibration.

[0013] Furthermore, assuming that the first limit is closer to the line-pressing part of the sinker, and the third limit is farthest from the line-pressing part of the sinker, when the positioning member is in the first limit, the sinker is in a non-working state; when the positioning member is in the second limit, the sinker is in a preliminary line-pressing state; when the positioning member is in the third limit, the sinker is in a deep line-pressing state.

[0014] Furthermore, the positioning edge is a wave-shaped undulating structure having at least two wave peaks, and the wave peaks cannot block the relative movement of the positioning member when the sinker is subjected to external force.

[0015] Steel wire is often used for the installation of sinkers, so a wavy positioning edge and an adapter steel wire are used. The wavy structure and the outer circular edge of the steel wire can also transition smoothly, and will not generate excessive resistance that causes the heel of the sinker to be unable to be pushed.

[0016] Furthermore, the positioning edge is an arc-shaped narrow and long structure, and a gap is left between the positioning edge and the sinker body, so that the positioning edge has elastic deformation ability.

[0017] This feature is one of the structures in which the positioning edge has elastic deformation.

[0018] Furthermore, the sinker swings with its own rotating shaft hole as the axis.

[0019] Furthermore, the rotating shaft hole is closed on all sides to form a complete through-hole structure.

[0020] This structure is a common structure of the sinker.

[0021] Furthermore, the shaft hole is arranged in the adapter groove of the sinker, the adapter groove is open at the opening, gradually converges inwardly, and forms the shaft hole therein.

[0022] Strictly speaking, the shaft hole is formed by "clamping" on both sides of the adapter groove.

[0023] After adopting the above scheme, the present invention has the following advantages compared with the prior art:

[0024] When the sinker assists the knitting needles in knitting at different positions, the positioning edge and the positioning piece cooperate to limit the sinker so that the sinker is no longer displaced by the vibration of the needle bed, that is, it has a more stable working state. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic diagram of an embodiment of the present invention;

[0026] Figure 2 yes Figure 1 Application installation diagram of the embodiment;

[0027] Figure 3 is a schematic diagram of another embodiment;

[0028] Description of symbols

[0029] Sinking plate 1, positioning edge 11, plate heel 12, transfer groove 13,

[0030] A first steel wire 2, a second steel wire 3, and a needle bed 4. DETAILED DESCRIPTION

[0031] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0032] like Figure 1 As shown, a sinker positioning method is provided, wherein one end of the sinker body is provided with a positioning edge 11 extending from left to right, and the positioning edge 11 is an arc-shaped narrow and long structure, the left side of the positioning edge 11 is a pressing line portion, and the right side is a heel 12, and a gap is provided from the heel to the pressing line portion, so that the positioning edge 11 has a certain elastic deformation ability.

[0033] like Figure 2As shown, the needle beds 4 of the flat knitting machines on both sides are provided with a positioning mechanism using the sinker, which also includes a first steel wire 2 and a second steel wire 3 for limiting the sinker 1, wherein when the sinker heel is acted upon by a force, Figure 2 From the perspective of the needle, with the second steel wire as the rotating shaft, it can swing left and right at the needle mouth.

[0034] The portion of the positioning edge 11 near the heel 12 is provided with a continuous wave-shaped undulating structure, which forms a first limit, a second limit, and a third limit from left to right (also in the form of a wave-shaped undulating structure). Figure 1 The angle is used as a reference), and two peaks are formed between the three limit positions, and they correspond to the state where the sinker does not participate in the work (also refer to Figure 2 The left side sinker), participates in the work and can shake the table to move the needle (also refer to Figure 2 The right sinker) participates in the state of working depth line pressing. Because the first steel wire is closely set on the positioning edge 11, when the heel of the sinker is pushed by external force, the sinker begins to swing, and because the first steel wire 2 is fixed, the positioning edge will be deformed by pressure, and the first steel wire 2 slides over the wave crest, that is, it can be considered that the first steel wire 2 has been displaced relative to the positioning edge, realizing the switching between the first limit, the second limit, and the third limit, and when the heel is not acted upon by power, the vibration generated by the needle bed itself is not enough to push the sinker 1.

[0035] In the above embodiment, the second steel wire is arranged in the adapter groove 13 below the sinker 1, that is, a space for accommodating the second steel wire is arranged inside the adapter groove 13, but the opening of the adapter groove 13 is smaller than the diameter of the second steel wire, and the second steel wire can be inserted or pulled out by applying a little force.

[0036] The commonly used technical means in the prior art are as follows Figure 3 As shown, a transfer hole is provided below the sinker 1, and the second steel wire is inserted into the transfer hole from the side. Since the sinkers 1 are arranged in a row on the needle bed, the entire steel wire needs to be pulled out to replace a single sinker 1, and the maintenance efficiency is lower than that of the above embodiment.

[0037] At the same time, the positioning of the first steel wire is not limited to steel wire, and other shapes of limiters can also be used. It is only necessary to modify the shape of the upper side of the positioning edge 11 accordingly.

[0038] The above are only specific embodiments of the present invention. At the same time, all words such as "upper, lower, left, right, middle" involved in the present invention are for reference only and are not absolute limitations. Any non-substantial changes made using the present invention shall be deemed as an infringement of the protection scope of the present invention.

Claims

1. A sinker positioning method, comprising a sinker body and a positioning member, characterized in that: The method requires that the sinker body is provided with a positioning edge of a continuous undulating structure, the positioning edge includes at least a first limit position, a second limit position, and a third limit position, and has elastic deformation capability, the first limit position, the second limit position, and the third limit position respectively correspond to the three working positions of the sinker; When the sinker is driven by external force, the positioning member can relatively switch between three limit positions; When the sinker is not driven by external force, the positioning member remains at the current position, so that the sinker is not vibrated and swung.

2. A sinker positioning method according to claim 1, characterized in that: Assuming that the first limit is closer to the line-pressing part of the sinker and the third limit is farthest from the line-pressing part of the sinker, when the positioning member is in the first limit, the sinker is in a non-working state; when the positioning member is in the second limit, the sinker is in a preliminary line-pressing state; when the positioning member is in the third limit, the sinker is in a deep line-pressing state.

3. A sinker positioning method according to claim 1, characterized in that: The positioning edge is a wave-shaped undulating structure having at least two wave peaks, and the wave peaks cannot block the relative movement of the positioning member when the sinker is subjected to external force.

4. A sinker positioning method according to claim 1, characterized in that: The positioning edge is an arc-shaped narrow and long structure, and a gap is left between the positioning edge and the sinker body, so that the positioning edge has elastic deformation ability.

5. A sinker positioning method according to claim 1, characterized in that: The sinker swings with its own rotating shaft hole as the axis.

6. A sinker positioning method according to claim 5, characterized in that: The rotating shaft hole is closed on all sides and is a complete through-hole structure.

7. A sinker positioning method according to claim 5, characterized in that: The rotating shaft hole is arranged in the transfer groove of the sinker. The transfer groove is open at the opening and gradually converges inwardly to form the rotating shaft hole.

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