Needle selector assembly

Abstract

The utility model discloses a needle selector assembly which comprises a first needle selector and a second needle selector, the first needle selector comprises a first needle selection piece, and the first needle selection piece and the second needle selector are used for selecting needles in the forward rotation process and the reverse rotation process of a needle cylinder respectively; the number of the first needle selecting pieces is multiple, and the first needle selecting pieces are evenly arranged up and down. The number of the second needle selecting pieces is multiple, and the second needle selecting pieces are evenly arranged up and down. The two independent needle selectors are mutually combined and installed side by side, the two needle selectors work in cooperation, and needle selection can be carried out in the forward rotation process and the overturning process of the needle cylinder respectively. As the first needle selector and the second needle selector are respectively and independently mounted, the relative position and distance between the first needle selector and the second needle selector can be finely adjusted; and independent disassembly can be carried out, so that any one of the two can be conveniently and independently maintained and replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of needle selectors, and more specifically, to a needle selector assembly. Background Art

[0002] The needle selector is an actuator used to implement needle selection control in the computer circular knitting machine control system. It usually has a box body as a shell, and electromagnets and other components are installed inside. The electromagnets are used to control the movement of the needle selector to achieve the needle selection action. During the operation of the circular knitting machine, the needle selector can drive the stitches to achieve control of the knitting needles. Ordinary needle selectors usually have a set of needle selectors, which can only perform needle selection actions during the unidirectional operation of the circular knitting machine. In order to achieve control during the forward and reverse rotation of the circular knitting machine, a needle selector with two sets of needle selectors is usually selected. For example, the needle selector disclosed in the publication number CN302803705S has two sets of needle selectors. During the forward and reverse rotation, two sets of needle selectors are controlled separately. However, the internal structure of the needle selector with two sets of needle selectors is more complicated. When a part of it fails, the difficulty of maintenance will be greatly increased; and the position between the two sets of needle selectors is relatively fixed, and it is impossible to adjust the applicability, which also has certain limitations.

[0003] Therefore, a new solution needs to be proposed to solve this problem. Utility Model Content

[0004] The utility model aims to overcome the deficiencies of the prior art and provide a needle selector assembly. Two sets of needle selectors adopt a split structure and can select needles respectively during the forward rotation and flipping of the needle cylinder.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a needle selector assembly, comprising a first needle selector and a second needle selector, the first needle selector comprising a first needle selector piece, the first needle selector piece and the second needle selector piece are respectively used to select needles during the forward rotation and reverse rotation of the needle cylinder; the number of the first needle selector pieces and the second needle selector pieces is several, and the number of the first needle selector pieces and the second needle selector pieces is equal, and in the height direction, the first needle selector piece and the second needle selector piece correspond one to one.

[0006] The utility model is further configured such that the first needle selector jacks are evenly distributed up and down, and the second needle selector jacks are evenly distributed up and down.

[0007] The utility model is further configured such that the number of the first needle selector jacks and the number of the second needle selector jacks are both six.

[0008] The utility model is further configured such that the upper and lower spacings between the first needle selector jacks are equal, and the upper and lower spacings between the second needle selector jacks are equal.

[0009] The utility model is further configured such that the first needle selector and the second needle selector are respectively arranged on the outer periphery of the syringe through a mounting seat.

[0010] The utility model is further configured such that the spacing between the first needle selector and the second needle selector relative to the needle cylinder can be adjusted.

[0011] The utility model is further configured such that the first needle selector and the second needle selector are both provided with mounting grooves, the mounting seat is provided with mounting protrusions, the mounting grooves and the mounting protrusions are slidably adapted to each other and are fixed by bolt locking; a screw hole is provided on the bottom surface of the mounting groove, the bolt passes through the mounting protrusion, and is threadedly connected to the screw hole.

[0012] The utility model is further configured that the mounting protrusion is provided with a waist-shaped hole, and the length direction of the waist-shaped hole is parallel to the sliding direction between the mounting groove and the mounting protrusion.

[0013] The utility model is further configured such that the distance between the first needle selector and the second needle selector can be adjusted; and the relative height between the first needle selector and the second needle selector can be adjusted.

[0014] The utility model is further configured such that the distance between the first needle selector and the second needle selector can be relatively adjusted around the center of the needle cylinder.

[0015] In summary, the utility model has the following beneficial effects:

[0016] By using the first needle selector and the second needle selector, two independent needle selectors are combined to work together, and can select needles respectively during the forward transmission and flipping of the syringe. The first needle selector and the second needle selector can be installed and disassembled separately, which is convenient for separate maintenance and replacement of either one of them. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional view of a needle selector assembly in Example 1 Figure 1 ;

[0018] Figure 2 A three-dimensional view of a needle selector assembly in Example 1 Figure 2 ;

[0019] Figure 3 It is a front view of a needle selector assembly in the first embodiment;

[0020] Figure 4 A top view of a needle selector assembly in Embodiment 1;

[0021] Figure 5A bottom view of a needle selector assembly in Embodiment 1;

[0022] Figure 6 It is a structural schematic diagram of the needle selector and the mounting seat in the second embodiment;

[0023] Figure 7 This is a schematic diagram of the structure of position adjustment of the first needle selector and the second needle selector in Example 3.

[0024] Figure numerals: 1, first needle selector; 11, first needle selector; 2, second needle selector; 21, second needle selector; 3, mounting groove; 31, screw hole; 4, mounting seat; 41, mounting protrusion; 42, waist-shaped hole; 5, bolt. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Embodiment 1

[0027] This embodiment discloses a needle selector assembly, referring to Figure 1-Figure 5 As shown, it includes a first needle selector 1 and a second needle selector 2, which are composed of two separate needle selectors, installed side by side, and the two needle selectors work together to select needles during the forward and reverse processes of the syringe. Since the first needle selector 1 and the second needle selector 2 are independently installed, the relative position and distance between the two can be fine-tuned; and they can be disassembled separately, which is convenient for separate maintenance and replacement of either one of them.

[0028] Specifically, the first needle selector 1 includes a first needle selector 11, and the first needle selector 11 and the second needle selector 2 can respectively select needles during the forward rotation and reverse rotation of the needle cylinder. For example, the first needle selector 1 performs needle selection when the needle cylinder rotates forward, and the second needle selector 2 performs needle selection when the needle cylinder is flipped. When the circular knitting machine is working, the forward rotation and reverse rotation of the needle cylinder can realize different needle selection actions, which is beneficial to improving the flexibility of the circular knitting machine.

[0029] There are a number of first selector jacks 11, and the first selector jacks 11 are evenly arranged vertically; there are a number of second selector jacks 21, and the second selector jacks 21 are evenly arranged vertically. The vertical spacing between the first selector jacks 11 is equal, and the vertical spacing between the second selector jacks 21 is equal.

[0030] The number of the first needle selector jacks 11 and the second needle selector jacks 21 is equal, and in the height direction, the first needle selector jacks 11 and the second needle selector jacks 21 correspond one to one. Generally speaking, the number of the first needle selector jacks 11 and the second needle selector jacks 21 are both six groups, and the number of the first needle selector jacks 11 and the second needle selector jacks 21 can also be specifically set according to the type of equipment.

[0031] In this embodiment, the first needle selector 1 and the second needle selector 2 are arranged in a substantially symmetrical structure, so that the two sets of needle selectors therein can achieve the same needle selection function during the forward rotation and flipping of the needle cylinder.

[0032] Embodiment 2

[0033] This embodiment discloses a needle selector assembly. Based on the first embodiment, Figure 6 A detailed description is given to specifically design the position adjustment structures of the first needle selector 1 and the second needle selector 2.

[0034] The first needle selector 1 and the second needle selector 2 are respectively arranged on the outer periphery of the needle cylinder through the mounting seat 4 and supported by the mounting seat 4. The spacing between the first needle selector 1 and the second needle selector 2 relative to the needle cylinder can be adjusted, thereby changing the distance between the needle selector and the needle pin of the needle selector, and the specific adjustment direction is roughly the radial direction of the needle cylinder.

[0035] Reference Figure 6 As shown, both the first needle selector 1 and the second needle selector 2 are provided with a mounting groove 3, which is a strip-shaped structure and can perform a sliding guide. A mounting protrusion 41 is formed on the mounting seat 4, the mounting protrusion 41 protrudes upward, and the mounting groove 3 and the mounting protrusion 41 slide and fit each other. During installation, the mounting protrusion 41 is embedded in the mounting groove 3, and the mounting protrusion 41 and the mounting groove 3 can achieve sliding guidance, and the sliding direction is parallel to the sliding direction between the mounting groove 3 and the mounting protrusion 41.

[0036] The needle selector is fixed to the mounting seat 4 by bolts 5. A screw hole 31 can be provided at the bottom surface of the mounting groove 3, and the bolt 5 passes through the mounting protrusion 41 and is threadedly connected in the screw hole 31 for fixation. A waist-shaped hole 42 is provided at the mounting protrusion 41, and the direction of the waist-shaped hole 42 is consistent with the direction of the mounting groove 3, so that the bolt 5 can be adjusted within the range of the waist-shaped hole 42. After the position adjustment of the needle selector and the mounting seat 4 is completed, the bolt 5 is tightened to fix the needle selector. When the needle selectors (the first needle selector 1 and the second needle selector 2) need to be adjusted, the corresponding bolts 5 can be loosened respectively, and the positions of the first needle selector 1 and the second needle selector 2 can be adjusted respectively. After the adjustment is completed, the bolts 5 can be locked and fixed.

[0037] Embodiment 3

[0038] This embodiment discloses a needle selector assembly. Based on the above embodiment, Figure 7 A detailed description is given to specifically design the position adjustment structures of the first needle selector 1 and the second needle selector 2.

[0039] In this embodiment, the spacing between the first needle selector 1 and the second needle selector 2 can be adjusted, and the relative height of the first needle selector 1 and the second needle selector 2 can also be adjusted; by adjusting the relative position of the first needle selector 1 and the second needle selector 2, the relative position of the first needle selector 11 and the second needle selector 21 can be changed, so that the entire needle selector assembly can adapt to equipment with different parameters.

[0040] As for the relative heights of the first needle selector 1 and the second needle selector 2, a gasket of corresponding thickness may be installed at the bottom of the needle selector to adjust its position, thereby changing the relative positions of the two.

[0041] As for the relative spacing between the first needle selector 1 and the second needle selector 2, a corresponding guide track can be set between the bottom of the needle selector and the mounting seat 4, so that the relative spacing between the first needle selector 1 and the second needle selector 2 can be adjusted. Since the first needle selector 1 and the second needle selector 2 need to ensure that the spacing is basically consistent with the pins during the adjustment process, the spacing between the first needle selector 1 and the second needle selector 2 is relatively adjusted around the center of the needle cylinder. An arc-shaped raised structure can be provided on the frame of the equipment as a track, and a corresponding recessed structure can be provided at the bottom of the needle selector to form an arc-shaped guide structure. Then, corresponding fasteners (such as screws) are installed between the frame and the corresponding first needle selector 1 and second needle selector 2 to lock the corresponding needle selector.

[0042] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A needle selector assembly, characterized in that: The invention comprises a first needle selector (1) and a second needle selector (2), wherein the first needle selector (1) comprises a first needle selector jack (11), and the first needle selector jack (11) and the second needle selector jack (2) are respectively used for selecting needles during the forward rotation and reverse rotation of the needle cylinder; the number of the first needle selector jacks (11) and the second needle selector jacks (21) is several, and the number of the first needle selector jacks (11) and the second needle selector jacks (21) is equal, and in the height direction, the first needle selector jacks (11) and the second needle selector jacks (21) correspond one to one; The first needle selector (1) and the second needle selector (2) are both provided with a mounting groove (3), and the mounting seat (4) is provided with a mounting protrusion (41). The mounting groove (3) and the mounting protrusion (41) are slidably adapted to each other and are locked and fixed by a bolt (5); a screw hole (31) is provided on the bottom surface of the mounting groove (3), and the bolt (5) passes through the mounting protrusion (41) and is threadedly connected in the screw hole (31).

2. The needle selector assembly according to claim 1, characterized in that: The first needle selector jacks (11) are evenly distributed up and down, and the second needle selector jacks (21) are evenly distributed up and down.

3. The needle selector assembly according to claim 1, characterized in that: The number of the first needle selector jacks (11) and the number of the second needle selector jacks (21) are both six.

4. The needle selector assembly according to claim 1, characterized in that: The upper and lower spacings between the first needle selector jacks (11) are equal, and the upper and lower spacings between the second needle selector jacks (21) are equal.

5. The needle selector assembly according to claim 1, characterized in that: The first needle selector (1) and the second needle selector (2) are respectively arranged on the outer periphery of the needle cylinder through a mounting seat (4).

6. The needle selector assembly according to claim 5, characterized in that: The distance between the first needle selector (1) and the second needle selector (2) relative to the needle cylinder is adjustable.

7. The needle selector assembly according to claim 1, characterized in that: The mounting protrusion (41) is provided with a waist-shaped hole (42), and the length direction of the waist-shaped hole (42) is parallel to the sliding direction between the mounting groove (3) and the mounting protrusion (41).

8. The needle selector assembly according to claim 6, characterized in that: The distance between the first needle selector (1) and the second needle selector (2) is adjustable; the relative height between the first needle selector (1) and the second needle selector (2) is adjustable.

9. The needle selector assembly according to claim 8, characterized in that: The distance between the first needle selector (1) and the second needle selector (2) can be relatively adjusted around the center of the needle cylinder.

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