High-density needle cylinder of circular knitting machine

Abstract

The utility model discloses a high-density needle cylinder of a circular knitting machine. The high-density needle cylinder comprises a connecting base, a connecting inner cylinder, a needle cylinder body and a limiting mechanism. The connecting inner cylinder is arranged at the top middle end of the connecting base, the needle cylinder body is arranged on the outer side of the connecting inner cylinder, and the first through groove, the clamping piece, the outer ring, the limiting ring and other assemblies are arranged at the middle end of the needle cylinder body, so that the clamping piece in the first through groove can clamp and fix the connecting inner cylinder by rotating the outer ring; the positions, close to the connecting inner cylinder, of the four ends of the top face of the connecting base are each provided with a limiting mechanism, each limiting mechanism comprises a groove, a first convex tooth, a bottom plate, a connecting frame, a movable plate and other assemblies, and height adjustment and preliminary fixing of the needle cylinder body can be achieved under mutual cooperation; the use is simple, the structure is stable, and the practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of circular knitting machines, in particular to a high-density needle cylinder for circular knitting machines. Background Art

[0002] The circular knitting machine, scientifically known as the circular weft knitting machine, is mainly composed of a frame, a yarn feeding mechanism, a transmission mechanism, a lubrication and dust removal mechanism, an electrical control mechanism, a pulling and winding mechanism and other auxiliary devices. The needle cylinder is the core component of the circular knitting machine.

[0003] Some existing circular knitting machines are inconvenient to replace needle cylinders, and the replacement efficiency is low. In addition, when making fabrics of different sizes, needle cylinders of different sizes and heights need to be replaced. The replacement steps are numerous, relatively cumbersome, and have certain limitations. Utility Model Content

[0004] The purpose of the utility model is to provide a high-density needle cylinder for a circular knitting machine to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned object, the utility model adopts the following technical solution: a high-density needle cylinder for a large circular knitting machine, comprising a connecting base, a connecting inner cylinder being provided at the top middle end of the connecting base, and a needle cylinder body being provided outside the connecting inner cylinder, a group of limiting mechanisms being provided at each of the four ends of the top surface of the connecting base near the connecting inner cylinder;

[0006] The middle end of the syringe body is provided with no less than two groups of through grooves 1, each of which is provided with a group of clamping parts. An outer ring is provided at a position corresponding to the through groove 1 on the outside of the syringe body, and a protrusion corresponding to the clamping part is provided on the inner side of the outer ring, and a group of limiting rings are provided at the upper and lower ends of the outer ring.

[0007] Preferably, the limiting mechanism components are all the same, and the limiting mechanism includes a groove, a convex tooth 1, a bottom plate, a connecting frame, a cam, a through slot 2 and a movable plate. A group of grooves are provided at the four ends of the top surface of the connecting base near the position of the connecting inner cylinder, and the bottom surfaces of the grooves are provided with no less than two groups of convex teeth 1 at equal intervals. The top surface of the convex tooth 1 contacts the bottom plate, and the bottom surface of the bottom plate is provided with a convex tooth 2 that can engage with the convex tooth 1. The top surface is connected to a group of connecting frames, and a group of cams are hinged on the top of the connecting frame. A through slot 2 is provided at the bottom end of the connecting frame, and no less than two groups of movable plates are provided in the through slot 2.

[0008] Preferably, the front and rear surfaces of the second through slot are both provided with positioning rods corresponding to the movable plate, and the middle end of the movable plate is both provided with movable grooves corresponding to the positioning rods.

[0009] Preferably, the through slot 1 and the clamping member are both H-shaped.

[0010] Preferably, the clamping member is divided into two parts, the left and right parts, and the right side of the left end of the clamping member is connected to the inner side of the through slot through a spring.

[0011] Preferably, the right side of the right end of the clamping member can contact the outside of the connecting inner cylinder, is arc-shaped, and is provided with a friction layer.

[0012] Preferably, the left side of the left end of the clamping member is also designed to be arc-shaped, and a group of positioning grooves are provided at the middle end.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] Through the connecting inner cylinder arranged at the middle end of the top of the connecting base, a syringe main body is arranged on the outside of the connecting inner cylinder, and components such as a through groove, a clamping piece, an outer ring and a limiting ring are arranged at the middle end of the syringe main body. The outer ring can be rotated so that the clamping piece in the through groove can clamp and fix the connecting inner cylinder, which is beneficial to improve the connection stability between the connecting inner cylinder and the syringe main body. A group of limiting mechanisms are provided at the four ends of the top surface of the connecting base near the connecting inner cylinder. The limiting mechanisms include components such as a groove, a convex tooth, a bottom plate, a connecting frame and a movable plate. The height adjustment and preliminary fixation of the syringe main body can be achieved by cooperating with each other. It is simple to use, has a stable structure and is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the through slot of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal top view of the through slot of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the limiting mechanism of the utility model.

[0019] In the figure: connecting base-1, connecting inner tube-2, syringe body-3, limiting mechanism-4, through groove 1-31, clamping member-32, outer ring-33, limiting ring-34, protrusion-331, groove-41, protruding tooth 1-42, bottom plate-43, connecting frame-44, cam-45, through groove 2-46, movable plate-47, protruding tooth 2-431. DETAILED DESCRIPTION

[0020] In order to further explain the technical solution of the present invention, specific embodiments are described in detail below.

[0021] See also Figure 1The utility model provides a high-density needle cylinder for a large circular knitting machine, comprising a connecting base 1, a connecting inner cylinder 2 being provided at the top middle end of the connecting base 1, and a needle cylinder body 3 being provided on the outside of the connecting inner cylinder 2, and a group of limiting mechanisms 4 being provided at the four ends of the top surface of the connecting base 1 near the connecting inner cylinder 2.

[0022] See also Figure 2-3 The utility model provides a high-density needle cylinder for a large circular knitting machine. The middle end of the needle cylinder body 3 is provided with no less than two groups of through grooves 31. A group of clamping members 32 are provided in each of the through grooves 31. The through grooves 31 and the clamping members 32 are both in an "H" shape. The clamping members 32 can move left and right in the through groove 31. The clamping members 32 are divided into left and right parts. The right side of the left end of the clamping member 32 is connected to the inner side of the through groove 31 by a spring, which is conducive to the automatic reset of the clamping member 32. The right side of the right end of the clamping member 32 can contact the outer side of the connecting inner cylinder 2. , is arc-shaped, and is provided with a friction layer, which can increase friction and improve stability during clamping. The left end of the clamping member 32 is also set to an arc shape, and a group of positioning grooves are provided at the middle end. An outer ring 33 is provided at a position corresponding to the through groove 1 31 on the outside of the syringe body 3, and a protrusion 331 corresponding to the clamping member 32 is provided on the inner side of the outer ring 33. When the outer ring 33 rotates, the clamping member 32 can be squeezed by the protrusion 331 to move inward, clamping and connecting the inner cylinder 2, and a group of limiting rings 34 are provided at the upper and lower ends of the outer ring 33 to limit the outer ring 33.

[0023] See also Figure 1-4 The utility model provides a high-density needle cylinder for a large circular knitting machine. The limiting mechanism 4 components are all the same. The limiting mechanism 4 includes a groove 41, a convex tooth 1 42, a bottom plate 43, a connecting frame 44, a cam 45, a through groove 2 46 and a movable plate 47. A group of grooves 41 are provided at the four ends of the top surface of the connecting base 1 near the position of the connecting inner cylinder 2. The bottom surfaces of the grooves 41 are all provided with no less than two groups of convex teeth 1 42 at equal intervals. The top surface of the convex teeth 1 42 contacts the bottom plate 43. The bottom surface of the bottom plate 43 is provided with a convex tooth 2 431 that can mesh with the convex tooth 1 42, which can improve the stability of the bottom plate 43 when placed. Qualitatively, when the bottom plate 43 is placed in the groove 41, its top surface is flush with the top surface of the connecting base 1, and a group of connecting frames 44 are connected to the top surface of the bottom plate 43. A group of cams 45 are hinged on the top of the connecting frame 44. The end of the cam 45 away from the protrusion is provided with a dial plate for convenient force application, and a through groove 2 46 is provided at the bottom end of the connecting frame 44. There are no less than two groups of movable plates 47 in the through groove 2 46, among which, the front and back surfaces of the through groove 2 46 are provided with positioning rods corresponding to the movable plates 47, and the middle end of the movable plates 47 is provided with movable grooves corresponding to the positioning rods, and the movable plates 47 can be moved parallel to each other through the positioning rods.

[0024] Here's how it works:

[0025] During use, the bottom plate 43 can be adjusted to different positions in the groove 41 according to the size of the syringe body 3 and the required height, and the corresponding movable plate 47 can be pushed inward. Then the syringe body 3 can be put on the outside of the connecting inner cylinder 2, so that the bottom end of the syringe body 3 can contact the top surface of the movable plate 47 to raise the syringe body 3. Then the cam 45 can be rotated in sequence to fix and clamp the outer bottom end of the syringe body 3 through the cam 45 to achieve preliminary fixation of the syringe body 3. Then the outer ring 33 can be rotated. The rotation of the outer ring 33 can squeeze the clamping part 32 through the protrusion 331 to move it inward and clamp the connecting inner cylinder 2, which can improve the connection stability between the connecting inner cylinder 2 and the syringe body 3.

[0026] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A high-density needle cylinder for a large circular knitting machine, comprising a connecting base (1), wherein a connecting inner cylinder (2) is provided at the top middle end of the connecting base (1); Its characteristics are: It also includes a syringe body (3) arranged outside the connecting inner cylinder (2), and a set of limiting mechanisms (4) are provided at the four ends of the top surface of the connecting base (1) near the connecting inner cylinder (2); The middle end of the syringe body (3) is provided with at least two groups of through grooves (31), each of which is provided with a group of clamping members (32). An outer ring (33) is provided on the outer side of the syringe body (3) at a position corresponding to the through grooves (31), a protrusion (331) corresponding to the clamping member (32) is provided on the inner side of the outer ring (33), and a group of limiting rings (34) are provided on the upper and lower ends of the outer ring (33).

2. The high-density needle cylinder for a circular knitting machine according to claim 1, characterized in that: The components of the limiting mechanism (4) are all the same. The limiting mechanism (4) includes a groove (41), a convex tooth (42), a bottom plate (43), a connecting frame (44), a cam (45), a through groove (46) and a movable plate (47). A group of grooves (41) are provided at the four ends of the top surface of the connecting base (1) near the position of the connecting inner tube (2). The bottom surface of the groove (41) is provided with no less than two groups of convex teeth (42) at equal intervals. The top surface of the convex tooth (42) contacts the bottom plate (43). The bottom surface of the bottom plate (43) is provided with a convex tooth (431) that can mesh with the convex tooth (42). The top surface is connected to a group of connecting frames (44). The top of the connecting frame (44) is hinged with a group of cams (45). The bottom end of the connecting frame (44) is provided with a through groove (46). No less than two groups of movable plates (47) are provided in the through groove (46).

3. The high-density needle cylinder for a circular knitting machine according to claim 2, characterized in that: Positioning rods corresponding to the movable plate (47) are provided on the front and rear sides of the second through slot (46), and movable slots corresponding to the positioning rods are provided on the middle ends of the movable plates (47).

4. The high-density needle cylinder for a circular knitting machine according to claim 1, characterized in that: The through slot 1 (31) and the clamping member (32) are both in an H-shaped configuration.

5. The high-density needle cylinder for a circular knitting machine according to claim 4, characterized in that: The clamping member (32) is divided into two parts, the left and right parts, and the right side of the left end of the clamping member (32) is connected to the inner side of the through slot 1 (31) through a spring.

6. The high-density needle cylinder for a circular knitting machine according to claim 5, characterized in that: The right side of the right end of the clamping member (32) can contact the outside of the connecting inner cylinder (2), is arc-shaped, and is provided with a friction layer.

7. The high-density needle cylinder for a circular knitting machine according to claim 4, characterized in that: The left side of the left end of the clamping member (32) is also configured to be arc-shaped, and a group of positioning grooves are provided at the middle end.

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