Triangular seat ring installation structure for large circular knitting machine

Abstract

The utility model relates to the technical field of large circular knitting machines, and discloses a triangular seat ring installation structure for large circular knitting machines. The triangular seat ring installation structure of the utility model comprises: a base plate, a support ring, a triangular seat ring, a lifting mechanism, an adjusting sprocket and a chain. The support ring is arranged on the base plate, and the lifting mechanism comprises: a support column, a transmission sprocket, a needle bearing and a fixing bolt. The transmission sprocket is meshed on the support column and is inserted into the installation hole of the triangular seat ring. A plurality of transmission sprockets are connected through chain transmission. The fixing bolt is inserted into the fixed through hole of the support column and is meshed in the threaded hole of the support ring. The adjusting sprocket is rotatably arranged in the installation hole of the triangular seat ring and is meshed with the chain. The triangular seat ring installation structure of the utility model rotates the adjusting sprocket, and the adjusting sprocket drives the chain and the transmission sprocket to rotate. The transmission sprocket drives the triangular seat ring to rise and fall, so as to realize the height adjustment of the triangular seat ring. The utility model is convenient to use and improves the work efficiency.

Description

Technical Field

[0001] The utility model embodiment relates to the technical field of large circular knitting machines, and in particular to a triangular seat ring installation structure for large circular knitting machines. Background Art

[0002] Circular knitting machine, also known as circular weft knitting machine, has developed rapidly and has been widely used because of its multiple loop forming systems, high speed, high output, fast pattern change, good fabric quality, few processes and strong product adaptability.

[0003] The cam seat of the circular knitting machine is set on the cam seat ring, which is arranged in a ring shape outside the circumference of the needle cylinder of the circular knitting machine, and the knitting cam is set on the cam seat. The drive mechanism drives the needle cylinder seat and the needle cylinder to rotate, and drives the knitting needle to move along the track of the knitting cam to guide the knitting needle to perform knitting operations in the needle cylinder holding mechanism. When knitting different fabrics, it is necessary to adjust the height of the cam seat ring to adjust the height of the knitting cam.

[0004] The inventor of the present application has found that the current lifting and lowering adjustment of the triangular seat ring is inconvenient, time-consuming and inefficient. Utility Model Content

[0005] The utility model aims to provide a triangular seat ring installation structure for a large circular knitting machine, which is convenient for the lifting and lowering adjustment of the triangular seat ring to solve the problems in the above-mentioned background technology.

[0006] The utility model provides a triangular seat ring installation structure for a large circular knitting machine, comprising: a base plate, a support ring, a triangular seat ring, a lifting mechanism, an adjusting sprocket and a chain;

[0007] The base plate is fixedly arranged, the support ring is arranged in the step of the base plate, and the support ring is evenly provided with a plurality of threaded holes along the circumferential direction;

[0008] The triangular seat ring is provided with a plurality of mounting holes along the circumferential direction;

[0009] The lifting mechanism is provided with multiple parts, including: a support column, a transmission sprocket, a needle bearing and a fixing bolt;

[0010] The support column is provided with an external thread and a protruding ring at the top;

[0011] The transmission sprocket is provided with a first light circular segment;

[0012] The transmission sprocket is meshed on the support column, and the first optical circular segment is rotatably arranged in the mounting hole through the needle bearing;

[0013] The transmission sprockets of the plurality of lifting mechanisms are connected through the chain transmission;

[0014] The support column is provided with a fixing through hole, and the fixing bolt is passed through the fixing through hole and engaged in the threaded hole, so that the support column is fixed on the support ring;

[0015] The adjusting sprocket is provided with a second light circle segment, and the adjusting sprocket is arranged on the triangular seat ring through a bearing. The second light circle segment is rotatably arranged in the mounting hole, and the adjusting sprocket and the chain are meshed with each other. When the adjusting sprocket rotates, it is used to drive the chain to rotate, and when the chain rotates, it is used to drive the triangular seat ring to rise and fall.

[0016] Based on the above scheme, it can be known that the triangular seat ring installation structure for a large circular knitting machine of the utility model is provided with a base plate, a support ring, a triangular seat ring, a lifting mechanism, an adjusting sprocket and a chain. The support ring is arranged on the base plate, and the lifting mechanism is provided with multiple ones, including: a support column, a transmission sprocket, a needle bearing and a fixing bolt. The support column is provided with an external thread, and the transmission sprocket is meshed on the support column. The first light circle segment of the transmission sprocket is rotatably penetrated in the mounting hole of the triangular seat ring through the needle bearing. Multiple transmission sprockets are connected through chain transmission. The fixing bolt is penetrated in the fixed through hole of the support column and meshed in the threaded hole of the support ring, so that the support column is fixed on the support ring. The adjusting sprocket is rotatably set on the triangular seat ring and meshed with the chain. The utility model discloses a triangular seat ring installation structure for a large circular knitting machine, and the adjusting sprocket is rotated, and the adjusting sprocket drives the chain to rotate. When the chain rotates, the transmission sprocket of the lifting mechanism is driven to rotate relative to the supporting column. The transmission sprocket is lifted and lowered relative to the supporting column. The transmission sprocket drives the triangular seat ring to be lifted and lowered relative to the supporting ring, so that the height of the triangular seat ring is adjusted and the triangular seat ring does not deviate when being lifted and lowered. The utility model is convenient to use and the working efficiency is improved.

[0017] In a feasible solution, it also includes: a retaining spring;

[0018] The first light circle segment and the second light circle segment are both provided with a spring groove;

[0019] The retaining ring is arranged in the retaining ring groove and is used for abutting against the triangular seat ring.

[0020] In a feasible solution, the second light circular segment is provided with a hexagonal inner groove for inserting a hexagonal wrench.

[0021] In a feasible solution, it also includes: a tension adjustment block;

[0022] The tension adjustment block is rotatably arranged on the triangular seat ring via a rotating shaft;

[0023] The tension adjustment block is in the shape of an arc that gradually opens, and is abutted against the chain. The tension adjustment block is used to adjust the tightness of the chain when rotating.

[0024] In a feasible solution, it also includes: a rotating ring, a locking screw and two wrench screws;

[0025] The rotating shaft is provided with a square convex block;

[0026] The rotating ring is provided with a square hole, the rotating ring is arranged on the rotating shaft, and the direction protrusion is embedded in the square hole;

[0027] The locking screw is engaged with the threaded hole of the direction protrusion to make the rotating ring abut against the triangular seat ring;

[0028] The two wrench screws are symmetrically arranged on the rotating ring, and the rotating ring drives the tension adjustment block to rotate when rotating.

[0029] In a feasible solution, it also includes: a plurality of guide blocks;

[0030] A plurality of guide blocks are arranged on the base plate and are respectively abutted against the triangular seat ring.

[0031] In a feasible solution, a limit baffle is provided on the top of the guide block to limit the lifting and lowering of the triangular seat ring.

[0032] In a feasible solution, it also includes: installing a bracket;

[0033] The mounting bracket is arranged on the base plate and is used for mounting a dial indicator. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0035] Figure 1 It is a top view schematic diagram of the triangular seat ring installation structure for a large circular knitting machine in an embodiment of the utility model;

[0036] Figure 2 In the embodiment of the utility model Figure 1 AA section view in the figure;

[0037] Figure 3 In the embodiment of the utility model Figure 2 The enlarged view of point C in FIG.

[0038] Figure 4 In the embodiment of the utility model Figure 2 The enlarged view of D in FIG.

[0039] Figure 5 In the embodiment of the utility model Figure 1 BB section view in the figure;

[0040] Figure 6 In the embodiment of the utility model Figure 5 The enlarged view of point E in FIG.

[0041] Figure 7 It is an exploded schematic diagram of the lifting mechanism in the embodiment of the utility model;

[0042] Figure 8 It is a three-dimensional schematic diagram of the triangular seat ring installation structure in the embodiment of the utility model;

[0043] Fig. 9 In the embodiment of the utility model Figure 8 A partial enlarged view of the

[0044] Fig.10 It is a schematic diagram of a chain in an embodiment of the utility model;

[0045] Fig.11 In the embodiment of the utility model Fig.10 A partial enlarged view of the

[0046] Fig.12 In the embodiment of the utility model Fig.10 Magnified view of point F in FIG.

[0047] Numbers in the figure:

[0048] 1. Base plate; 2. Support ring; 3. Triangular seat ring; 4. Lifting mechanism; 41. Support column; 411. Projecting ring; 42. Driving sprocket; 421. First light circle segment; 43. Needle bearing; 44. Fixing bolt; 45. Retaining spring; 5. Adjusting sprocket; 51. Second light circle segment; 52. Bearing; 53. Hexagon socket; 6. Chain; 71. Tensioning adjustment block; 72. Rotating shaft; 721. Square protrusion; 73. Rotating ring; 74. Locking screw; 75. Wrench screw; 8. Guide block; 81. Limit baffle; 9. Mounting bracket; 91. Dial indicator. DETAILED DESCRIPTION

[0049] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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.

[0050] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0051] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0052] The following specific embodiments are used to describe the technical solution of the utility model in detail. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.

[0053] As described in the background of this application, the drive mechanism of the circular knitting machine drives the needle cylinder seat and the needle cylinder to rotate, and drives the knitting needle to move along the track of the knitting triangle to guide the knitting needle to perform knitting operations in the needle cylinder holding mechanism. When knitting different fabrics, it is necessary to adjust the height of the triangle seat ring to adjust the height of the knitting triangle.

[0054] The inventor of the present application has found that the current lifting and lowering adjustment of the triangular seat ring is inconvenient, time-consuming and inefficient.

[0055] In order to solve the above problems, the inventor of the present application proposed the technical solution of the present application, and the specific embodiments are as follows:

[0056] Figure 1 It is a top view schematic diagram of the triangular seat ring installation structure for a large circular knitting machine in an embodiment of the utility model. Figure 2 In the embodiment of the utility model Figure 1 AA section view in the figure, Figure 3 In the embodiment of the utility model Figure 2 The enlarged view of point C in the figure, Figure 4 In the embodiment of the utility model Figure 2 The enlarged view of D in Figure 5 In the embodiment of the utility model Figure 1 The BB section view in the figure, Figure 6 In the embodiment of the utility model Figure 5 The enlarged view of E in Figure 7 Schematic diagram of the explosion of the lifting mechanism in the embodiment of the utility model. Figure 8 It is a three-dimensional schematic diagram of the triangular seat ring installation structure in the embodiment of the utility model. Fig. 9 In the embodiment of the utility model Figure 8 A partial enlarged view of Fig.10 is a schematic diagram of a chain in an embodiment of the utility model, Fig.11 In the embodiment of the utility model Fig.10 A partial enlarged view of Fig.12 In the embodiment of the utility model Fig.10 Magnified view of point F in FIG.

[0057] like Figures 1 to 12 As shown, the triangular seat ring installation structure for a large circular knitting machine in this embodiment includes: a base plate 1, a support ring 2, a triangular seat ring 3, a lifting mechanism 4, an adjusting sprocket 5 and a chain 6.

[0058] The base plate 1 is fixedly arranged, a step is arranged on the inner side of the circumference of the base plate 1, a support ring 2 is arranged on the step of the base plate 1, and the support ring 2 is fixed on the base plate 1 by locking bolts.

[0059] A plurality of threaded holes are evenly distributed along the circumferential direction on the top surface of the support ring 2 .

[0060] The triangular seat ring 3 is provided with a plurality of stepped mounting holes along the circumferential direction.

[0061] The lifting mechanism 4 includes a support column 41 , a transmission sprocket 42 , a needle bearing 43 and a fixing bolt 44 .

[0062] There are multiple (10) lifting mechanisms 4 .

[0063] The support column 41 is provided with a fixing through hole extending therethrough in the axial direction, the circumferential side wall of the support column 41 is provided with an external thread, and the top end of the support column 41 is provided with a protruding ring 411 .

[0064] A first light circular segment 421 is disposed on one side of the driving sprocket 42 .

[0065] The transmission sprocket 42 is provided with an internal thread, and the transmission sprocket 42 is engaged with the circumferential outer wall of the support column 41 through the internal thread. The transmission sprocket 42 is rotatably arranged on the triangular seat ring 3 through a needle bearing 43, and the first light circle segment 421 of the transmission sprocket 42 is rotatably penetrated into the mounting hole of the triangular seat ring 3.

[0066] The fixing bolts 44 are inserted into the fixing through holes of the support column 41 , and the fixing bolts 44 of the plurality of lifting mechanisms 4 are respectively engaged in the plurality of threaded holes of the support ring 2 . When the fixing bolts 44 are tightened, the support column 41 is fixed to the support ring 2 .

[0067] The transmission sprockets 42 of the plurality of lifting mechanisms 4 are connected in transmission via a chain 6 .

[0068] The structure of the adjusting sprocket 5 is similar to that of the driving sprocket 42 , and the adjusting sprocket 5 is provided with a second light circular segment 51 .

[0069] The adjusting sprocket 5 is rotatably arranged on the triangular seat ring 3 through a bearing 52, the second light circle segment 51 of the adjusting sprocket 5 is rotatably penetrated into the mounting hole of the triangular seat ring 3, and the adjusting sprocket 5 and the chain 6 are meshed with each other. When the adjusting sprocket 5 rotates, it is used to drive the chain 6 to rotate.

[0070] In this embodiment, the support ring is arranged on the base plate, and the triangular seat ring is arranged on the support ring through the lifting mechanism. When the adjusting sprocket is rotated, the adjusting sprocket drives the chain to rotate, and when the chain rotates, the transmission sprockets of the multiple lifting mechanisms are driven to rotate relative to the support column, and the transmission sprocket is lifted and lowered relative to the support column, thereby driving the triangular seat ring to lift and lower relative to the support ring, thereby realizing the height adjustment of the triangular seat ring.

[0071] It is not difficult to find from the above content that the triangular seat ring installation structure for the large circular knitting machine of the present embodiment is provided with a base plate, a support ring, a triangular seat ring, a lifting mechanism, an adjusting sprocket and a chain. The support ring is arranged on the base plate, and the lifting mechanism is provided with multiple ones, including: a support column, a transmission sprocket, a needle bearing and a fixing bolt. The support column is provided with an external thread, and the transmission sprocket is meshed on the support column. The first light circle segment of the transmission sprocket is rotatably penetrated in the mounting hole of the triangular seat ring through the needle bearing. Multiple transmission sprockets are connected through chain transmission. The fixing bolt is penetrated in the fixed through hole of the support column and meshed in the threaded hole of the support ring, so that the support column is fixed on the support ring. The adjusting sprocket is rotatably arranged on the triangular seat ring and meshed with the chain. The large circular knitting machine triangular seat ring installation structure of the present embodiment rotates the adjusting sprocket, and the adjusting sprocket drives the chain to rotate. When the chain rotates, it drives the transmission sprocket of the lifting mechanism to rotate relative to the supporting column. The transmission sprocket is lifted and lowered relative to the supporting column. The transmission sprocket drives the triangular seat ring to lift and lower relative to the supporting ring, thereby realizing height adjustment of the triangular seat ring and preventing the triangular seat ring from deviating during lifting and lowering. The use is convenient and the work efficiency is improved.

[0072] Optional, such as Figure 4 , Figure 6 and Figure 7 As shown, the triangular seat ring installation structure for the large circular knitting machine in this embodiment also includes: a retaining spring 45.

[0073] The first light circular segment 421 of the transmission sprocket 42 and the second light circular segment 51 of the adjustment sprocket 5 are both provided with a retaining spring groove.

[0074] The transmission sprocket 42 is set on the triangular seat ring 3 through the needle bearing 43, and the retaining spring 45 is embedded in the retaining spring groove of the transmission sprocket 42. The needle bearing 43 and the retaining spring 45 are respectively located on both sides of the triangular seat ring 3, and are abutted against the triangular seat ring 3 to fix the transmission sprocket 42. The transmission sprocket 42 will not move along the axial direction of the triangular seat ring 3 when rotating.

[0075] Correspondingly, the adjusting sprocket 5 is also arranged on the triangular seat ring 3 through the bearing 52 and the retaining spring 45 , and the adjusting sprocket 5 will not move along the axial direction of the triangular seat ring 3 when rotating.

[0076] Optionally, in the present embodiment, the large circular knitting machine uses a triangular seat ring installation structure, and the adjusting sprocket 5 is provided with an inner hexagonal groove 53 on the top surface of the second light circle segment 51, and the inner hexagonal groove 53 is for inserting a hexagonal wrench. The adjusting sprocket 5 is rotated by the hexagonal wrench to facilitate the rotation of the adjusting sprocket, thereby adjusting the lifting and lowering of the triangular seat ring.

[0077] Optional, such as Figure 3 , Fig.10 and Fig.11 As shown, the triangular seat ring installation structure for a large circular knitting machine in this embodiment further includes: a tension adjustment block 71.

[0078] The tension adjustment block 71 is rotatably arranged on the triangular seat ring 3 via a rotating shaft 72 .

[0079] The tension adjustment block 71 is in the shape of a gradually opening circular arc, and the circular arc side wall of the tension adjustment block 71 abuts against the chain 6 . The tension adjustment block 71 is used to adjust the tightness of the chain 6 when rotating.

[0080] Furthermore, the triangular seat ring mounting structure for a large circular knitting machine in this embodiment further includes: a rotating ring 73 , a locking screw 74 and two wrench screws 75 .

[0081] A square protrusion 721 is disposed at the top of the rotating shaft 72 , and a threaded hole is disposed in the direction protrusion 721 .

[0082] A square hole is provided at the center of the rotating ring 73 . The rotating ring 73 is disposed on the rotating shaft 72 . The direction protrusion 721 of the rotating shaft 72 is embedded in the square hole of the rotating ring 73 .

[0083] The locking screw 74 is inserted into the square hole of the rotating ring 73 and meshes with the threaded hole of the direction protrusion 721. When the locking screw 74 is tightened, the rotating ring 73 and the triangular seat ring 3 are abutted against each other, so that the tension adjustment block 71 and the rotating ring 73 are fixed on the triangular seat ring 3.

[0084] The two wrench screws 75 are symmetrically arranged on the rotating ring 73 , and the two wrench screws 75 form a wrench on the rotating ring 73 to facilitate the rotation of the rotating ring 73 .

[0085] In this embodiment, the locking screw is loosened, and the rotating ring is rotated by the wrench screw. The rotating ring drives the tension adjustment block to rotate, and the tightness of the chain can be adjusted. After completion, the locking screw is tightened to make the rotating ring abut against the triangular seat ring, so that the tension adjustment block and the rotating ring are fixed on the triangular seat ring.

[0086] Optional, such as Figure 8 and Fig. 9 As shown, the triangular seat ring installation structure for the large circular knitting machine in this embodiment also includes: a plurality of guide blocks 8.

[0087] A plurality of guide blocks 8 are arranged on the base plate 1 at intervals. The inner side wall of the guide block 8 is in an arc shape and abuts against the circumferential outer wall of the triangular seat ring 3. The plurality of guide blocks 8 limit the radial position of the triangular seat ring 3.

[0088] When the triangular seat ring 3 is lifted or lowered, it is lifted or lowered along the arc-shaped side wall of the guide block 8, and the triangular seat ring 3 will not deviate, ensuring that the flatness and roundness of the triangular seat ring 3 are kept within 0.03 mm when it is lifted or lowered.

[0089] Furthermore, in the large circular knitting machine triangular seat ring installation structure in the present embodiment, a limit baffle 81 is provided on the top of the guide block 8, and the limit baffle 81 of the guide block 8 is used to limit the rising height of the triangular seat ring 3, that is, the distance between the limit baffle 81 and the base plate 1 is the maximum height that the triangular seat ring 3 can be raised relative to the base plate 1.

[0090] Optionally, the triangular seat ring mounting structure for a large circular knitting machine in this embodiment further includes: a mounting bracket 9.

[0091] The mounting bracket 9 is disposed on the base plate 1 and is used for mounting and fixing a dial indicator 91 .

[0092] In this embodiment, when the triangular seat ring 3 is lifted, the dial gauge 91 is installed on the mounting bracket 9, and the measuring head of the dial gauge 91 is abutted against the top surface of the triangular seat ring 3. When the triangular seat ring is lifted, the lifting height of the triangular seat ring can be observed and displayed by the dial gauge, which is more convenient to use.

[0093] In the present invention, unless otherwise clearly specified and limited, a first feature being “on” or “under” a second feature may mean that the first feature and the second feature are in direct contact, or the first feature and the second feature are in indirect contact via an intermediate medium.

[0094] Moreover, the first feature being “above”, “above”, and “above” the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being “below”, “below”, and “below” the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0095] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0096] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A triangular seat ring installation structure for a large circular knitting machine, characterized in that: include: Base plate, support ring, triangular seat ring, lifting mechanism, adjusting sprocket and chain; The base plate is fixedly arranged, the support ring is arranged in the step of the base plate, and the support ring is evenly provided with a plurality of threaded holes along the circumferential direction; The triangular seat ring is provided with a plurality of mounting holes along the circumferential direction; The lifting mechanism is provided with multiple parts, including: a support column, a transmission sprocket, a needle bearing and a fixing bolt; The support column is provided with an external thread and a protruding ring at the top; The transmission sprocket is provided with a first light circular segment; The transmission sprocket is meshed on the support column, and the first optical circular segment is rotatably arranged in the mounting hole through the needle bearing; The transmission sprockets of the plurality of lifting mechanisms are connected through the chain transmission; The support column is provided with a fixing through hole, and the fixing bolt is passed through the fixing through hole and engaged in the threaded hole, so that the support column is fixed on the support ring; The adjusting sprocket is provided with a second light circle segment, and the adjusting sprocket is arranged on the triangular seat ring through a bearing. The second light circle segment is rotatably arranged in the mounting hole, and the adjusting sprocket and the chain are meshed with each other. When the adjusting sprocket rotates, it is used to drive the chain to rotate, and when the chain rotates, it is used to drive the triangular seat ring to rise and fall.

2. The triangular seat ring installation structure for a large circular knitting machine according to claim 1 is characterized in that: Also includes: Circlip; The first light circle segment and the second light circle segment are both provided with a spring groove; The retaining ring is arranged in the retaining ring groove and is used for abutting against the triangular seat ring.

3. The triangular seat ring installation structure for a large circular knitting machine according to claim 1, characterized in that: The second light circular segment is provided with an inner hexagonal groove for inserting a hexagonal wrench.

4. The triangular seat ring installation structure for a large circular knitting machine according to claim 1, characterized in that: Also includes: Tension adjustment block; The tension adjustment block is rotatably arranged on the triangular seat ring via a rotating shaft; The tension adjustment block is in the shape of an arc that gradually opens, and is abutted against the chain. The tension adjustment block is used to adjust the tightness of the chain when rotating.

5. The triangular seat ring installation structure for a large circular knitting machine according to claim 4, characterized in that: Also includes: Turning ring, locking screw and two key screws; The rotating shaft is provided with a square convex block; The rotating ring is provided with a square hole, the rotating ring is arranged on the rotating shaft, and the direction protrusion is embedded in the square hole; The locking screw is engaged with the threaded hole of the direction protrusion to make the rotating ring abut against the triangular seat ring; The two wrench screws are symmetrically arranged on the rotating ring, and the rotating ring drives the tension adjustment block to rotate when rotating.

6. The triangular seat ring installation structure for a large circular knitting machine according to claim 1, characterized in that: Also includes: Multiple guide blocks; A plurality of guide blocks are arranged on the base plate and are respectively abutted against the triangular seat ring.

7. The triangular seat ring installation structure for a large circular knitting machine according to claim 6, characterized in that: A limit baffle is provided on the top of the guide block to limit the lifting and lowering of the triangular seat ring.

8. The triangular seat ring installation structure for a large circular knitting machine according to claim 1, characterized in that: Also includes: Mounting bracket; The mounting bracket is arranged on the base plate and is used for mounting a dial indicator.

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