Upper needle plate capable of pressing needles in sections and knitting machine

Abstract

The present invention provides an upper needle disc and a knitting machine capable of pressing needles in sections. The upper needle disc comprises an upper needle disc body, upper knitting needles, an upper jacquard piece and an upper triangle driving assembly. The upper knitting needles and the upper jacquard piece are movably arranged on the upper needle disc body. The upper triangle driving assembly is used to drive the upper knitting needles and the upper jacquard piece to move. The upper triangle driving assembly forms an upper triangle track for the upper knitting needles and the upper jacquard piece to move. The upper jacquard piece comprises a needle raising butt and a needle closing butt. The upper triangle track comprises a needle raising section for the needle raising butt of the upper jacquard piece to move, an upper jacquard piece needle closing section for the needle closing butt of the upper jacquard piece to move, and an upper knitting needle closing section for the needle butt of the upper knitting needle to move. The trough position of the upper jacquard piece needle closing section track is different from the trough position of the upper knitting needle needle closing section track. The upper triangle driving assembly can selectively move to the jacquard piece needle closing section or the upper knitting needle needle closing section when driving the needle closing.

Description

Technical Field

[0001] The invention relates to the field of knitting machines, in particular to an upper needle disc capable of pressing needles in sections and a knitting machine. Background Art

[0002] The existing jacquard knitting needles can realize three working states of floating thread, tucking and looping under the control of a computer, but the knitting needles in these three working states share a needle pressing triangle, that is, the needle pressing depths of the knitting needles in the three working states are the same.

[0003] However, this is not good for weft knitted fabrics, especially when weaving tighter fabrics. The ideal state is that the floating thread and the needle depth of the loop are shallow, and the needle depth of the loop is deep. The fabric made in this way is tight and has a strong three-dimensional sense. Summary of the invention

[0004] The main purpose of the present invention is to overcome the shortcomings of the prior art and provide a needle pressing track with two different needle pressing depths. Different needle pressing tracks are selected by cooperating with an upper jacquard piece and an upper triangular driving assembly, so that the upper knitting needle has one needle pressing depth when floating and tucking, and another needle pressing depth when forming a loop, so that a segmented needle pressing upper needle disk and a knitting machine can be used to weave a relatively compact fabric with a strong three-dimensional sense.

[0005] The present invention adopts the following technical solution:

[0006] An upper needle disc with segmented needle pressing comprises an upper needle disc body, upper knitting needles, an upper jacquard piece and an upper triangle driving assembly, wherein the upper knitting needles and the upper jacquard piece are movably arranged on the upper needle disc body, and the upper triangle driving assembly is used to drive the upper knitting needles and the upper jacquard piece to move, and the upper triangle driving assembly forms an upper triangle track for the upper knitting needles and the upper jacquard piece to move, and the upper jacquard piece comprises a needle raising butt and a needle closing butt, and the upper triangle track comprises a needle raising section for the needle raising butt of the upper jacquard piece to move, an upper jacquard piece needle closing section for the needle closing butt of the upper jacquard piece to move, and an upper knitting needle needle closing section for the needle butt of the upper knitting needle to move, and the trough position of the upper jacquard piece needle closing section track is different from the trough position of the upper knitting needle needle closing section track, and the upper triangle driving assembly can choose to drive the upper jacquard piece needle closing section or the upper knitting needle needle closing section when closing the needle.

[0007] Furthermore, the upper triangle trajectory is composed of a needle raising triangle, a needle guard triangle, a needle narrowing triangle, an upper jacquard piece needle narrowing triangle and an upper knitting needle needle narrowing triangle. The needle raising triangle and the needle guard triangle form a needle raising section. The needle narrowing triangle, the upper jacquard piece needle narrowing triangle and the upper knitting needle needle narrowing triangle are arranged in sequence from the inside to the outside along the radial direction of the upper needle disk body to form an optional upper jacquard piece needle narrowing section and an upper knitting needle needle narrowing section.

[0008] Furthermore, it also includes a reset triangle, which is connected after the needle closing triangle and before the next needle starting section. A reset needle butt is formed at the end of the upper jacquard piece, and the reset needle butt cooperates with the reset triangle to return the upper knitting needle and the upper jacquard piece to the original track.

[0009] Furthermore, the upper triangle drive assembly also includes a first needle selector and a second needle selector, the first needle selector is used to select whether the upper knitting needle and the upper jacquard piece enter the needle raising section, and the second needle selector is used to select the upper knitting needle and the upper jacquard piece to walk in the upper jacquard piece needle closing section or the upper knitting needle needle closing section.

[0010] Furthermore, the needle raising section has two needle raising tracks, the first needle selector is arranged in front of the first needle raising track, and the second needle selector is arranged in front of the second needle selecting track.

[0011] Furthermore, the trough position of the trajectory of the upper jacquard piece narrowing section is lower than the trough position of the trajectory of the upper knitting needle narrowing section.

[0012] Furthermore, a hook head is formed at the front end of the upper jacquard piece, and the end of the upper knitting needle has a hook groove matched with the hook head, and the hook head and the hook groove cooperate with each other to connect the upper jacquard piece and the upper knitting needle end to end.

[0013] A knitting machine comprises an upper needle plate with segmented needle pressing as described above.

[0014] It can be seen from the above description of the present invention that, compared with the prior art, the present invention has the following beneficial effects:

[0015] First, by setting the upper jacquard piece needle narrowing section and the upper knitting needle narrowing section, different needle pressing depths can be selected during the movement of the upper knitting needle, and through the drive of the upper triangle driving component, the effect of one needle pressing depth for loop formation and one needle pressing depth for floating thread and collection loop can be achieved.

[0016] Second, the needle casting triangle and the needle protection triangle ensure that the upper knitting needle always stays within the track of the needle exit section when it is coming out of the needle. The three-section structure of the needle closing triangle, the upper jacquard piece needle closing triangle and the upper knitting needle needle closing triangle forms the upper jacquard piece needle closing section and the upper knitting needle needle closing section, so that the floating thread, the gathering circle and the circle can go through different needle closing sections to achieve different needle closing depths.

[0017] Third, the reset triangle is arranged behind the needle closing triangle and before the next needle starting section, so as to ensure that the needle closing butt of the upper jacquard piece corresponding to the upper knitting needle set to form a loop will never be pressed into the needle groove of the needle disk and can always be controlled by the needle closing track of the jacquard piece.

[0018] Fourth, the upper knitting needle is driven to select the walking trajectory through the first needle selector and the second needle selector, and the upper jacquard piece needle narrowing section and the upper knitting needle needle narrowing section are coordinated to ensure the different needle pressing depths of the upper knitting needle floating thread, looping and tucking.

[0019] Fifth, the trough position of the narrowing section track of the upper jacquard piece is lower than the trough position of the narrowing section track of the upper knitting needle, so that the needle pressing depth of the loop is greater than the needle pressing depth of the floating thread and the tuck loop. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a partial structural cross-sectional view of a specific embodiment of the present invention, showing the structure of the upper triangular drive mechanism;

[0021] Figure 2 It is a structural schematic diagram of an upper jacquard sheet according to a specific embodiment of the present invention;

[0022] Figure 3 It is a schematic structural diagram of an upper knitting needle according to a specific embodiment of the present invention.

[0023] In the figure: 1. upper needle plate body, 2. upper knitting needle, 20. hook groove, 21. upper knitting needle butt, 3. upper jacquard piece, 30. needle butt, 31. needle butt, 32. reset butt, 33. needle selection butt, 34. hook head, 4. reset triangle, 5. upper triangle track, 50. needle triangle, 51. needle protection triangle, 52. needle triangle, 53. upper jacquard piece needle triangle, 54. upper knitting needle triangle, 6. first needle selector, 7. second needle selector. DETAILED DESCRIPTION

[0024] The present invention is further described below through specific implementation modes.

[0025] Reference Figures 1 to 3 The present invention discloses an upper needle disc and a knitting machine with segmented needle pressing, wherein the upper needle disc comprises an upper needle disc body 1, upper knitting needles 2, an upper jacquard piece 3, an upper triangle driving assembly and a reset triangle 4, wherein the upper knitting needles 2 and the upper jacquard piece 3 are movably arranged on the upper needle disc body 1, and the upper triangle driving assembly is used for driving the upper knitting needles 2 and the upper jacquard piece 3 to move.

[0026] Reference Figure 3 The upper jacquard piece 3 includes a cast-on butt 30, a narrowing butt 31, a reset butt 32, a plurality of selector butts 33 and a hook head 34, wherein the hook head 34 is arranged at the front end of the upper jacquard piece 3, the reset butt 32 is arranged at the end of the upper jacquard piece 3, the cast-on butt 30 and the narrowing butt 31 are arranged at intervals, the narrowing butt 31 is close to the front end of the upper jacquard piece 3, the cast-on butt 30 is close to the end of the upper jacquard piece 3, a plurality of selector butts 33 are arranged between the narrowing butt 31 and the cast-on butt 30, and the upper knitting needle 2 includes a hook groove 20 and an upper knitting needle butt 21 which are arranged at the end and are adapted to the hook head 34, and the hook head 34 and the hook groove 20 cooperate with each other to connect the upper jacquard piece 3 and the upper knitting needle 2 end to end.

[0027] Reference Figure 1, the upper cam drive assembly is formed with an upper cam track 5 for the upper knitting needle 2 and the upper jacquard piece 3 to walk, a first needle selector 6 and a second needle selector 7 for driving the upper knitting needle 2 and the upper jacquard piece 3 to select actions, the upper cam track 5 is composed of a needle raising triangle 50, a needle guard triangle 51, a needle reduction triangle 52, an upper jacquard piece needle reduction triangle 53 and an upper knitting needle needle reduction triangle 54, the needle raising triangle 50 and the needle guard triangle 51 form a needle raising section for the needle raising needle butt 30 of the upper jacquard piece 3 to walk, and the needle reduction triangle 52, the upper jacquard piece needle reduction triangle 53 and the upper knitting needle needle reduction triangle 54 are arranged in sequence from the inside to the outside along the radial direction of the upper needle disk body 1 An upper jacquard piece needle-reducing section for the upper jacquard piece 3 to move with the needle butt 30 and an upper knitting needle needle-reducing section for the upper knitting needle 2 to move with the needle butt, the needle-raising section has two needle-raising tracks, the first needle selector 6 is arranged before the first needle-raising track, the second needle selector 7 is arranged before the second needle-selecting track, the first needle selector 6 is used to select whether the upper knitting needle 2 and the upper jacquard piece 3 enter the needle-raising section, the second needle selector 7 is used to select whether the upper knitting needle 2 and the upper jacquard piece 3 walk in the upper jacquard piece needle-reducing section or the upper knitting needle needle-reducing section, the trough position of the upper jacquard piece needle-reducing section track is lower than the trough position of the upper knitting needle needle-reducing section track

[0028] The reset triangle 4 is connected behind the needle closing triangle 52 and is located before the next needle starting section. The reset needle butt 32 at the end of the upper jacquard piece 3 cooperates with the reset triangle 4 to return the upper knitting needle 2 and the upper jacquard piece 3 to the original trajectory. The upper jacquard piece needle closing triangle 53 and the upper knitting needle needle closing triangle 54 are respectively installed on different sliders, and the two sliders are adjusted with a scale and a pointed tail screw respectively.

[0029] Continue to refer to Figures 1 to 3 When the present invention is in use, the first needle selector 6 selects whether to drive the upper knitting needle 2 to walk the first needle starting trajectory of the needle starting section. When the first needle selector 6 chooses not to drive the upper knitting needle 2 to walk the first needle starting trajectory, the upper knitting needle 2 enters a floating thread state, moves along the floating thread trajectory, and finally moves the upper knitting needle needle closing section through the upper knitting needle butt 21 to press the needle and then the reset triangle 4 returns to its original position.

[0030] When the first needle selector 6 chooses to drive the upper knitting needle 2 to walk the first needle-lifting trajectory, the needle butt 30 of the upper jacquard piece 3 walks along the first needle-lifting trajectory to the second needle-lifting trajectory, the second needle selector 7 chooses whether to drive the upper knitting needle 2 to walk the second needle-lifting trajectory. When the second needle selector 7 chooses not to drive the upper knitting needle 2 to walk the second needle-lifting trajectory, the upper knitting needle 2 enters the loop collection state, walks along the loop collection trajectory and finally passes through the upper knitting needle butt 21 to walk the upper knitting needle needle closing section to press the needle and then is reset to the original position by the reset triangle 4.

[0031] When the second needle selector 7 selects to drive the upper knitting needle 2 to walk the second needle-starting trajectory, the upper knitting needle 2 enters the looping state, walks along the looping trajectory and finally passes through the needle-closing butt 31 of the upper jacquard piece 3 and walks the needle-closing section of the upper jacquard piece to press the needle and then is reset by the reset cam 4 to restore its original position.

[0032] The above is only a specific implementation of the present invention, but the design concept of the present invention is not limited to this. Any non-substantial changes to the present invention using this concept shall be deemed as an infringement of the protection scope of the present invention.

Claims

1. An upper needle disc with segmented needle pressing, comprising an upper needle disc body, upper knitting needles, an upper jacquard piece and an upper triangular driving assembly, wherein the upper knitting needles and the upper jacquard piece are movably arranged on the upper needle disc body, and the upper triangular driving assembly is used to drive the upper knitting needles and the upper jacquard piece to move, and the upper triangular driving assembly forms an upper triangular track for the upper knitting needles and the upper jacquard piece to move, characterized in that: The upper jacquard piece includes a needle butt and a needle butt, the upper triangle track has a needle-raising section for the needle butt of the upper jacquard piece to move, an upper jacquard piece needle-reducing section for the needle butt of the upper jacquard piece to move, and an upper knitting needle needle-reducing section for the needle butt of the upper knitting needle to move, the trough position of the upper jacquard piece needle-reducing section track is different from the trough position of the upper knitting needle needle-reducing section track, and the upper triangle driving component can choose to drive the needle-reducing section to move on the jacquard piece needle-reducing section or the upper knitting needle needle-reducing section when driving the needle-reducing; The upper triangle track is composed of a needle raising triangle, a needle guard triangle, a needle narrowing triangle, an upper jacquard piece needle narrowing triangle and an upper knitting needle needle narrowing triangle. The needle raising triangle and the needle guard triangle form a needle raising section. The needle narrowing triangle, the upper jacquard piece needle narrowing triangle and the upper knitting needle needle narrowing triangle are sequentially arranged from inside to outside along the radial direction of the upper needle disc body to form an optional upper jacquard piece needle narrowing section and an upper knitting needle needle narrowing section. It also includes a reset cam, which is connected after the needle narrowing cam and before the next needle starting section. A reset needle butt is formed at the end of the upper jacquard piece. The reset needle butt cooperates with the reset cam to return the upper knitting needle and the upper jacquard piece to the original track. The upper triangle driving assembly also includes a first needle selector and a second needle selector, the first needle selector is used to select whether the upper knitting needle and the upper jacquard piece enter the needle raising section, and the second needle selector is used to select the upper knitting needle and the upper jacquard piece to walk in the upper jacquard piece needle closing section or the upper knitting needle needle closing section.

2. The upper needle plate capable of pressing needles in sections according to claim 1, characterized in that: The needle raising section has two needle raising tracks, the first needle selector is arranged in front of the first needle raising track, and the second needle selector is arranged in front of the second needle selecting track.

3. The upper needle plate capable of segmented needle pressing according to claim 1, characterized in that: The trough position of the trajectory of the upper jacquard piece narrowing section is lower than the trough position of the trajectory of the upper knitting needle narrowing section.

4. The upper needle plate capable of pressing needles in sections according to claim 1, characterized in that: The front end of the upper jacquard piece is formed with a hook head, and the end of the upper knitting needle is provided with a hook groove matched with the hook head, and the hook head and the hook groove cooperate with each other to connect the upper jacquard piece and the upper knitting needle end to end.

5. A knitting machine, characterized in that: It comprises an upper needle plate capable of pressing needles in sections as described in any one of claims 1 to 4.

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