Weaving tool comb

Abstract

The invention relates to a knitting tool bar (1) for a textile machine, comprising a sinker receiving portion for receiving a plurality of sinkers (4). The object of the invention is to provide a knitting tool bar (1) having a low weight. To this end, the sinker receiving portion comprises a first profile element (2) and a second profile element (3), wherein the first profile element (2) and the second profile element (3) are connected to each other and have spaces (15) for receiving the sinkers (4).

Description

Technical Field

[0001] The invention relates to a knitting tool bar of a textile machine, which has a sinker accommodating portion for accommodating a plurality of sinkers. Background Art

[0002] Sinkers are used in warp knitting machines and weft knitting machines, for example, to hold, separate or knock over warp threads.

[0003] Such braiding tool bars are usually constructed of a matrix of light metals (such as magnesium or aluminum) or fiber-reinforced plastic materials. These materials are usually used to keep the mass of the braiding tool bar small. Many braiding tool bars involved in the braiding process must be accelerated and braked twice during the looping process. The smaller the mass of the braiding tool bar, the smaller the force acting on the braiding tool bar. Therefore, wear can be kept small. Summary of the Invention

[0004] The object of the present invention is to provide a knitting tool bar in which a high mechanical load capacity is achieved at the same time as a low weight.

[0005] With a braiding tool bar of the type mentioned at the outset, this object is achieved by the features described below.

[0006] In this case, the sinker receptacle comprises a first profile element and a second profile element, wherein the first profile element and the second profile element are connected to one another and comprise a space for accommodating the sinker.

[0007] The profile element can be shaped according to the given conditions of the machine and therefore have different cross-sectional arrangements. Accordingly, different loads (such as vibrations) can also be taken into account, so that the weaving tool comb has a higher mechanical load capacity and a lower susceptibility to vibration despite its lighter weight. Here, the first profile element can be designed differently from the second profile element. This achieves a higher flexibility and adaptability of the profile element to different loads and vibrations. In addition, different areas in the profile element can be designed differently, so that, for example, the wall thickness or shape of each area can be changed. Thus, a higher load capacity is achieved at a lower weight. The sinker is fixed in a space, wherein the space corresponds to the sinker accommodating portion. This fixation can be achieved, for example, by bonding or welding or other material-matched connections. Here, in order to position the sinker in the space, a clamping plate can be used so as to achieve repeated and accurate positioning of each sinker.

[0008] Preferably, the first profile element and the second profile element are connected to one another in a materially bonded manner. A materially bonded connection is, for example, an adhesive connection, a soldered connection, or a welded connection. Depending on the implementation of the materially bonded connection, the profile elements can be detached from one another again. Materially bonded connection is a simple way to connect profile elements to one another, wherein the connection is lightweight.

[0009] The sinkers are preferably connected to one another via wires. The wires provide for further connection of the sinkers, allowing them to overlap and connect to one another. This results in a good mechanical load-bearing capacity for the individual sinkers and a stable bond. Furthermore, individual areas of the sinkers can be reinforced. In this context, wires are also understood to mean ropes or rods.

[0010] The wire and sinker are preferably connected to each other with a material fit. This material fit allows for the connection of the same or different materials, so that, for example, the wire and sinker do not necessarily have to consist of the same material. Furthermore, the material fit can be adapted to the current loads, allowing, for example, an elastic or rigid connection. This allows for a high degree of flexibility and adaptability to the current given conditions.

[0011] Preferably, the sinker has a first region in which the sinker is connected to the sinker receptacle and a second region, which is different from the first region and in which the sinker is connected to the wire. The sinker is thus held in two different regions, which results in a stable fixing of the sinker.

[0012] Preferably, the first region and the second region are arranged opposite each other. Thus, for example, the first region is arranged in the first end region of the sinker, and the second region is provided in the end region opposite the first end region. Depending on the embodiment, these regions may converge, for example, in the middle or in the middle region of the sinker. In each case, the connection between the sinker and the wire and the connection between the sinker and the profile element are at least minimally spaced apart from each other. This also allows for a smaller installation space to be used for sinker attachment.

[0013] Preferably, the first profile element and the second profile element respectively have a recess, wherein, in the connected state of the profile elements, the recess of the first profile element and the recess of the second profile element are superimposed and placed. The connected state of the profile elements describes the state in which the profile elements are connected to each other and form a space for accommodating the sinker. As described above, this connection can be carried out, for example, by material matching. The weaving tool comb can be fixed to a textile machine or other accommodating portion by the recess. In addition, such a recess can be used to save weight, so that the recess is used for the lightweight concept (Leichtbaugedank) of the weaving tool comb. Therefore, the weaving tool comb is kept lighter.

[0014] Preferably, the first profile element and the second profile element have sheet metal parts as main components. Sheet metal parts are available in a plurality of different thicknesses and different materials, so that the special conditions of the textile machine can be taken into account.

[0015] Preferably, the first and second profile elements are primarily made of stainless steel. Stainless steel is a steel alloy that has a low tendency to rust or oxidize. Furthermore, stainless steel is generally not magnetic or magnetically conductive. This minimizes any magnetic forces acting on the braiding tool bar. Consequently, the mechanical load on the profile elements caused by the magnets is minimized.

[0016] Preferably, the space is delimited in a U-shape. Here, the delimitation of the U-shape describes the delimitation of the cross section along the extension direction of the profile element. Thus, the space is essentially delimited on three sides, with one side being open. The sides or delimitations of the U-shape can, for example, have corners, curls, or bends. Alternatively, the space can also be designed in a C-shape, V-shape, or other shape along the extension direction of the profile element. This allows for easy insertion of the sinker while maintaining a low weight and good mechanical load-bearing capacity.

[0017] Preferably, the area of ​​the sinker enclosed by the space is shorter than the area of ​​the sinker protruding from the space. The sinker is thus held within a confined space or area, allowing the retaining portion or profile element to be designed correspondingly smaller. Consequently, the braiding tool bar or the first and second profile elements can be designed smaller.

[0018] Preferably, the first profile element and the second profile element each have three sections, wherein the sections of each profile element are arranged at an angle to the adjacent sections, wherein, in the connected state, the first section of the profile element is arranged parallel to the first spacing of the second profile element, and the second section is arranged adjacent to the first section, wherein the third section and the first section are respectively arranged at the second section. Thus, each of the profile elements describes a Z-geometry in the broadest sense. This Z-geometry can absorb higher mechanical loads while keeping the vibration tendency low. Furthermore, this geometry allows the space for accommodating the sinker to be matched to the sinker. This enables the profile element to be matched to the sinker, thereby enabling the retaining portion to be well matched to the sinker.

[0019] Preferably, in the connected state, the two third sections are arranged substantially parallel and extend equidistantly in the direction of the sinker. This makes it easy to insert the sinker into the space. Furthermore, the equidistant extension of the third sections ensures a good hold of the sinker. This ensures a stable connection between the profile element and the sinker. Furthermore, this achieves a high mechanical load-bearing capacity for the braiding tool bar.

[0020] Preferably, the respective second sections of the first and second profile elements are tilted in the direction of the sinker. The tilting of the second section or sections in the direction of the sinker allows for favorable vibration conditions for the profile elements and the weaving tool bar. Furthermore, the tilting results in a weaving tool bar that can withstand mechanical loads well.

[0021] Preferably, the second section of the first profile element is longer than the second section of the second profile element. This allows the profile element, and therefore the weaving tool bar, to be easily adapted to different sinkers. Furthermore, this allows the load of the weaving tool bar to be adapted to the prevailing load of the sinkers. Consequently, the profile element is stable and adaptable to the given machine conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be described below in conjunction with the accompanying drawings according to a preferred embodiment.

[0023] Figure 1 A braiding tool bar according to the present invention is shown;

[0024] Figure 2 A side view of a braiding tool bar is shown. DETAILED DESCRIPTION

[0025] Figure 1 A braiding tool bar 1 is shown having a first profile element 2 and a second profile element 3. The sinkers 4 are held by the first profile element 2 and the second profile element 3. The sinkers 4 are connected to each other via a wire 5. The first profile element 2 and the second profile element 3 each have a recess 6, wherein the recesses 6 of the first profile element 2 and the second profile element 3 are arranged one above the other in the connected state. The connected state describes a state in which the first profile element 2 is fixed to the second profile element 3 or the first profile element 2 is connected to the second profile element 3, thereby forming a space 15 into which the sinker 4 can be inserted. The space 15 thus corresponds to a sinker receptacle.

[0026] Figure 2 The braiding tool bar 1 is shown in a side view along the extension direction of the profile elements 2, 3. Each of the profile elements 2, 3 has three sections arranged at an angle to each other. Here, the first section 7 of the first profile element 2 is arranged on the first section 8 of the second profile element 3 and is connected thereto. Second sections 9, 10 extend from the first sections 7, 8. The first section 7 of the first profile element 2 is connected to the second section 9 of the first profile element 2. The third section 11 of the first profile element 1 protrudes from the second section 9 of the first profile element 2. Similarly, the second section 10 of the second profile element 3 protrudes from the first section 8 of the second profile element 3. Protruding from the second section 10 of the second profile element 3 is the third section 12 of the second profile element 3.

[0027] The second and third sections 9 - 12 of the first and second profile elements 2 , 3 essentially form a space 15 in which the first region 13 of the sinker 4 is arranged. The first region 13 of the sinker 4 is materially connected to the first and second profile elements 2 , 3 .

[0028] Arranged opposite the first region 13 is a second region 14 in which the wire 5 is arranged. The wire 5 is here materially connected to the sinker 4.

[0029] The individual segments 7, 9, 11 of the first profile element 2 or the individual segments 8, 10, 12 of the second profile element 3 are arranged at an angle to the respective adjacent segments. It should be noted that the third segment 11 of the first profile element 2 and the third segment 12 of the second profile element 3 are arranged essentially parallel to one another. The two second segments 9, 10 are inclined in the direction of the sinker 4.

[0030] The two profile elements 2, 3 are connected to each other in a material-bonded manner at their respective first sections 7, 8. The profile elements 2, 3 can be connected to each other, for example, by an adhesive connection, a solder connection, a welding connection, or the like.

[0031] To insert the sinker 4 into the space 15 created by the first and second profile elements 2, 3, a bonding clamp (not shown) is used. This bonding clamp ensures that the sinker is accurately and reproducibly aligned between the two profile elements 2, 3 in the knitting tool bar 1. Furthermore, to secure the sinker in the knitting tool bar 1, it is glued or otherwise materially connected or fixed. This can be done over the entire surface or at specific points.

[0032] As the material of the profile elements 2, 3, metal or stainless steel can be used, for example. The selection of the corresponding material is made according to the intended environment and the load on the weaving tool guide bar 1. In addition, fiber-reinforced plastics such as carbon fiber-reinforced plastics or glass fiber-reinforced plastics are possible.

[0033] Depending on the type and characteristics of the sinker 4, the individual sections 7-12 of the profile elements 2, 3 can be adapted. Accordingly, the profile elements 2, 3 or their sections 7-12 can have an asymmetrical structure, or the individual sections 7-12 can also have a symmetrical structure. In any case, the profile elements 2, 3 can be designed to achieve low weight while simultaneously maintaining a high mechanical load capacity and a low tendency to vibration. Accordingly, the wall thickness of the profile elements 2, 3 can also vary. Depending on the load and embodiment of the sinker, the third sections 11, 12 can be designed differently. This can be related, for example, to their length and / or inclination and / or material thickness.

[0034] Reference Signs List

[0035] 1 knitting tool comb

[0036] 2 First profile element

[0037] 3 Second profile element

[0038] 4 sinkers

[0039] 5 Wire

[0040] 6 recesses

[0041] 7 First section of the first profile element

[0042] 8 First section of the second profile element

[0043] 9 Second section of the first profile element

[0044] 10 Second section of the second profile element

[0045] 11 Third section of the first profile element

[0046] 12 Third section of the second profile element

[0047] 13 First Area

[0048] 14 Second Area

[0049] 15 spaces.

Claims

1. A weaving tool comb (1) for a textile machine, comprising a sinker receiving portion for receiving a plurality of sinkers (4), wherein: The sinker accommodating portion comprises a first profile element (2) and a second profile element (3), wherein the first profile element (2) and the second profile element (3) are connected to each other by material fit and have a space (15) for accommodating the sinker (4), characterized in that the sinker (4) is fixed in the space (15) by material fit.

2. The braiding tool comb according to claim 1, characterized in that: The sinkers (4) are connected to each other via wires (5).

3. The braiding tool comb according to claim 1 or 2, characterized in that: The wire (5) and the sinker (4) are connected to each other in a material-fitting manner.

4. The braiding tool comb according to claim 1 or 2, characterized in that: The sinker (4) has a first area (13) and a second area (14), wherein the sinker (4) is connected to the sinker accommodating portion in the first area, and the second area is different from the first area (13), wherein the sinker (4) is connected to the wire (5) in the second area (14).

5. The braiding tool comb according to claim 4, characterized in that: The first region (13) and the second region (14) are arranged opposite each other.

6. The braiding tool comb according to claim 1 or 2, characterized in that: The first profile element (2) and the second profile element (3) each have a recess (6), wherein in the connected state of the profile elements (2, 3), the recess (6) of the first profile element (2) and the recess (6) of the second profile element (3) are superimposed.

7. The braiding tool comb according to claim 1 or 2, characterized in that: The first profile element (2) and the second profile element (3) have sheet metal parts as main components.

8. The braiding tool comb according to claim 1 or 2, characterized in that: The first profile element (2) and the second profile element (3) have stainless steel as main components.

9. The braiding tool comb according to claim 1 or 2, characterized in that: The space (15) is limited to a U shape.

10. The braiding tool comb according to claim 1 or 2, characterized in that: The area of ​​the sinker (4) surrounded by the space (15) is shorter than the area of ​​the sinker (4) protruding from the space (15).

11. The braiding tool comb according to claim 1 or 2, characterized in that: The first profile element (2) and the second profile element (3) each have three sections (7, 9, 11 and 8, 10, 12), wherein adjacent sections of the first profile element (2) are arranged at an angle to one another and adjacent sections of the second profile element (3) are arranged at an angle to one another, wherein, in the connected state, the first section (7) of the first profile element (2) is arranged parallel to the first section (8) of the second profile element (3), and the second section (9) of the first profile element (2) is arranged parallel to the first section (8) of the second profile element (3). A section (7) is arranged adjacent to each other and the second section (10) of the second profile element (3) is arranged adjacent to the first section (8) of the second profile element (3), wherein the third section (11) of the first profile element (2) and the first section (7) of the first profile element (2) are arranged at the second section (9) of the first profile element (2), and the third section (12) of the second profile element (3) and the first section (8) of the second profile element (3) are arranged at the second section (10) of the second profile element (3).

12. The braiding tool comb (1) according to claim 11, characterized in that: In the connected state, the third section (11) of the first profile element (2) and the third section (12) of the second profile element (3) are arranged substantially parallel to each other and extend equidistantly in the direction of the sinker (4).

13. The braiding tool comb (1) according to claim 11, characterized in that: The second section (9) of the first profile element (2) and the second section (10) of the second profile element (3) are inclined in the direction of the sinker (4).

14. The braiding tool comb (1) according to claim 11, characterized in that: The second section (9) of the first profile element (2) is longer than the second section (10) of the second profile element (3).

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