Rack for large-scutching circular knitting machine

Abstract

The utility model relates to the technical field of circular knitting machines, and discloses a rack for a large-scutching circular knitting machine. The rack for the large-scutching circular knitting machine comprises a main machine foot, an auxiliary machine foot, a movable foot and a bottom plate support, the bottom plate support comprises a connecting circular ring, a first rib plate, a second rib plate and a third rib plate, the top ends of the main machine foot and the auxiliary machine foot are arranged on a needle cylinder lower disc of the circular knitting machine, and the bottom ends of the main machine foot and the auxiliary machine foot are connected with the first rib plate and the second rib plate respectively. The top end of the movable foot is rotatably arranged on the needle cylinder lower disc, and the bottom end of the movable foot is rotatably connected with the third rib plate. The machine frame, the main machine foot, the auxiliary machine foot and the movable foot enable the machine frame to expand outwards, a large containing space is formed below the needle cylinder lower disc of the circular knitting machine, and installation and arrangement of a large-scutching cloth rolling machine are facilitated. The movable feet of the rack are arranged in a rotatable mode, after the movable feet rotate towards the inner side, the outer contour size of the rack is reduced, the occupied space is reduced, and therefore overall transportation, storage and storage of the circular knitting machine equipment are facilitated.

Description

Technical Field

[0001] The utility model embodiment relates to the technical field of circular knitting machines, and in particular to a frame for a large-width circular knitting machine. Background Art

[0002] Circular knitting machines, also known as circular weft knitting machines, have developed rapidly because of their multiple loop-forming systems, high speed, high output, fast pattern changes, good fabric quality, fewer processes, and strong product adaptability.

[0003] The circular knitting machine is fixed by a frame during installation. In order for the circular knitting machine to accommodate a large-width cloth winder, the frame space of the circular knitting machine must be large enough to form an accommodating space for the large-width cloth winder.

[0004] The inventors of the present application discovered that due to the large outer contour of the large circular knitting machine frame, the large circular knitting machine occupies a large space during overall transportation, which brings difficulties to the transportation of the large circular knitting machine, especially when using containers for transportation. An overly large large circular knitting machine frame cannot be directly loaded, affecting the convenience of transportation; and the large-sized frame is also inconvenient for the storage of the large circular knitting machine. Utility Model Content

[0005] The utility model aims to provide a frame for a large-width circular knitting machine, which is convenient for the overall transportation of the circular knitting machine and solves the problems in the above-mentioned background technology.

[0006] The utility model embodiment provides a frame for a large-width circular knitting machine, comprising: a main machine foot, an auxiliary machine foot, a movable foot and a bottom plate bracket;

[0007] The bottom plate bracket comprises: a connecting ring, a first rib plate, a second rib plate and a third rib plate, wherein the first rib plate, the second rib plate and the third rib plate are evenly distributed on the connecting ring;

[0008] The main machine foot and the auxiliary machine foot are L-shaped, and the movable foot is C-shaped;

[0009] The top ends of the main machine foot and the auxiliary machine foot are respectively fixedly arranged on the lower plate of the needle cylinder of the large circular knitting machine, and the bottom ends are respectively connected to the first rib plate and the second rib plate;

[0010] The top end of the movable foot is rotatably arranged on the lower plate of the needle cylinder of the large circular knitting machine, and the bottom end is rotatably connected to the third rib plate, and the main machine foot, the auxiliary machine foot and the movable foot are evenly arranged in the circumferential direction. After the movable foot is rotated, it is used to reduce the outer contour of the frame.

[0011] Based on the above scheme, it can be known that the frame for a large-width knitting circular machine of the utility model is provided with a main machine foot, an auxiliary machine foot, a movable foot and a bottom plate bracket, the bottom plate bracket includes: a connecting ring, a first rib plate, a second rib plate and a third rib plate, the main machine foot and the auxiliary machine foot are L-shaped, the movable foot is C-shaped, the top ends of the main machine foot and the auxiliary machine foot are arranged on the lower plate of the needle cylinder of the large circular machine, and the bottom ends are respectively connected to the first rib plate and the second rib plate, and the top and bottom ends of the movable foot are rotatably arranged on the lower plate of the needle cylinder of the large circular machine and the third rib plate. The frame for a large-width knitting circular machine of the utility model, the main machine foot, the auxiliary machine foot and the movable foot enable the frame to expand outward, and form a larger accommodation space below the lower plate of the needle cylinder of the large circular machine, which is convenient for the installation and setting of the large-width cloth winding machine. And the movable foot of the frame is rotatable, and after the movable foot is rotated inward, the outer contour size of the frame becomes smaller, and the occupied space is reduced, thereby facilitating the overall transportation and storage of the large circular machine equipment.

[0012] In a feasible solution, it also includes: a fixing plate;

[0013] The fixed plate is arranged on the lower plate of the syringe, the top end of the movable foot is hinged to the fixed plate through an upper fixed shaft, the bottom end is hinged to the third rib plate through a lower fixed shaft, and the central axes of the upper fixed shaft and the lower fixed shaft coincide with each other.

[0014] In a feasible solution, the fixing plate is provided with a connecting slot for the movable foot to be inserted into.

[0015] In a feasible solution, the movable foot includes: a left support foot and a right support foot;

[0016] The left support leg is rotatably arranged on the fixing plate and the third rib plate through the upper fixing shaft and the lower fixing shaft;

[0017] The right supporting leg is rotatably arranged on the fixing plate and the third rib plate through the upper fixing shaft and the lower fixing shaft.

[0018] In a feasible solution, it also includes: connecting bolts and fixing nuts;

[0019] The left supporting leg and the right supporting leg are both provided with mounting grooves, the side walls of the mounting grooves are provided with connecting holes, the connecting bolts are passed through the connecting holes, and the fixing nuts are engaged with the connecting bolts to connect the left supporting leg with the right supporting leg.

[0020] In a feasible solution, both the left support leg and the right support leg are provided with a limiting plane;

[0021] The limiting planes of the left supporting leg and the right supporting leg are used to limit the rotation of the left supporting leg and the right supporting leg when they abut against each other.

[0022] In a feasible solution, it also includes: a foot adjustment mechanism;

[0023] The support foot adjustment mechanism comprises: a support plate, a first support foot screw and a first adjustment nut;

[0024] The bottoms of the main machine foot, the auxiliary machine foot, the left foot and the right foot are all provided with threaded holes, the first foot screw is arranged on the support plate and engaged with the threaded hole, and the first adjustment nut is engaged with the first foot screw for adjusting the level of the rack.

[0025] In a feasible solution, it also includes: an auxiliary support mechanism;

[0026] The auxiliary support mechanism comprises: a support foot plate, a second support foot screw and a second adjustment nut;

[0027] The second support foot screw is arranged on the support foot plate and is engaged with the threaded hole of the third rib plate. The second adjusting nut is engaged with the second support foot screw and is abutted against the third rib plate.

[0028] In a feasible solution, the fixing plate, the left supporting leg, the right supporting leg and the third rib plate are all provided with fixing holes, so that the fixing plate, the left supporting leg and the right supporting leg are fixed by fixing screws. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] 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.

[0030] Figure 1 It is a schematic diagram of a frame for a large-width circular knitting machine in an embodiment of the utility model;

[0031] Figure 2 In the embodiment of the utility model Figure 1 A partial enlarged view of the

[0032] Figure 3 It is a schematic diagram of the assembly of the movable foot in the embodiment of the utility model;

[0033] Figure 4 This is a schematic diagram of the rotating open state of the movable foot in the embodiment of the utility model;

[0034] Figure 5 In the embodiment of the utility model Figure 4 The enlarged view of A in FIG.

[0035] Figure 6 In the embodiment of the utility model Figure 4 The enlarged view of point B in FIG.

[0036] Figure 7 The utility model is a schematic diagram of the loading state of the frame of the large-width circular knitting machine in the embodiment of the present invention.

[0037] Numbers in the figure:

[0038] 1. Main machine foot; 2. Auxiliary machine foot; 3. Movable foot; 301. Mounting slot; 302. Connecting hole; 303. Limiting plane; 31. Left support foot; 32. Right support foot; 4. Bottom plate bracket; 41. First rib plate; 42. Second rib plate; 43. Third rib plate; 44. Connecting ring; 45. Lower fixed shaft; 5. Fixed plate; 501. Connecting slot; 51. Upper fixed shaft; 61. Connecting bolt; 62. Fixing nut; 7. Support foot adjustment mechanism; 71. Support plate; 72. First support foot screw; 73. First adjusting nut; 8. Auxiliary support mechanism; 81. Support foot plate; 82. Second support foot screw; 83. Second adjusting nut; 91. Fixing hole; 92. Fixing screw; 100. Syringe lower plate. DETAILED DESCRIPTION

[0039] 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.

[0040] 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.

[0041] 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.

[0042] 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.

[0043] As described in the background technology of this application, the circular knitting machine is fixed by a frame during installation. In order for the circular knitting machine to accommodate a large-width cloth winding machine, the frame space of the circular knitting machine must be large enough to form a accommodating space for the large-width cloth winding machine.

[0044] The inventors of the present application discovered that due to the large outer contour of the large circular knitting machine frame, the large circular knitting machine occupies a large space during overall transportation, which brings difficulties to the transportation of the large circular knitting machine, especially when using containers for transportation. An overly large large circular knitting machine frame cannot be directly loaded, affecting the convenience of transportation; and the large-sized frame is also inconvenient for the storage of the large circular knitting machine.

[0045] 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:

[0046] Figure 1 This is a schematic diagram of a large-width circular knitting machine frame in an embodiment of the utility model. Figure 2 In the embodiment of the utility model Figure 1 A partial enlarged view of Figure 3 This is a schematic diagram of the assembly of the movable foot in the embodiment of the utility model. Figure 4 This is a schematic diagram of the rotating open state of the movable foot in the embodiment of the utility model. Figure 5 In the embodiment of the utility model Figure 4 The enlarged view of A in Figure 6 In the embodiment of the utility model Figure 4 The enlarged view of point B in the figure, Figure 7 The utility model is a schematic diagram of the loading state of the frame of the large-width circular knitting machine in the embodiment of the present invention.

[0047] like Figures 1 to 7As shown, the frame of the large-width circular knitting machine of this embodiment includes: a main machine foot 1, an auxiliary machine foot 2, a movable foot 3 and a bottom plate bracket 4.

[0048] The base plate bracket 4 includes: a first rib plate 41, a second rib plate 42, a third rib plate 43 and a connecting ring 44. The first rib plate 41, the second rib plate 42 and the third rib plate 43 are evenly distributed on the circumferential outer wall of the connecting ring 44, and the length of the third rib plate 43 is smaller than that of the first rib plate 41 and the second rib plate 42.

[0049] The main machine foot 1 and the auxiliary machine foot 2 are both bent in an L-shape, and the movable foot 3 is bent in a C-shape.

[0050] The bottom plate support 4 is located below the lower plate 100 of the needle cylinder of the circular knitting machine.

[0051] The top ends of the main machine foot 1 and the auxiliary machine foot 2 are respectively fixedly arranged on the lower plate 100 of the needle cylinder of the large circular knitting machine, and the bottom ends of the main machine foot 1 and the auxiliary machine foot 2 are respectively fixedly connected to the first rib plate 41 and the second rib plate 42 of the bottom plate bracket 4.

[0052] The top end of the movable foot 3 is rotatably set on the needle cylinder lower plate 100 of the large circular knitting machine, and the bottom end of the movable foot 3 is rotatably connected to the third rib 43 of the bottom plate bracket 4, that is, the movable foot 3 is rotatably set on the frame, and the main machine foot 1, the auxiliary machine foot 2 and the movable foot 3 are evenly arranged in the circumferential direction of the needle cylinder lower plate 100 of the large circular knitting machine.

[0053] like Figure 1 In this embodiment, the main machine feet, auxiliary machine feet and movable feet support the lower plate of the needle cylinder of the large circular knitting machine, and the L-shaped main machine feet and auxiliary machine feet, as well as the C-shaped movable feet enable the frame to expand outward, forming a larger accommodating space under the lower plate of the needle cylinder, which is convenient for the installation and setting of the large-width cloth winding machine.

[0054] like Figure 4 and Figure 7 As shown, the movable feet of the frame are rotatably arranged on the lower plate of the needle cylinder and the bottom plate bracket. After the movable feet are rotated inward, the outer contour size of the frame becomes smaller and the occupied space is reduced, thereby facilitating the overall transportation and storage of the large circular knitting machine equipment.

[0055] It is not difficult to find from the above content that the frame for the large-width knitting circular knitting machine of this embodiment is provided with a main machine foot, an auxiliary machine foot, a movable foot and a bottom plate bracket, the bottom plate bracket includes: a connecting ring, a first rib plate, a second rib plate and a third rib plate, the main machine foot and the auxiliary machine foot are L-shaped, the movable foot is C-shaped, the top ends of the main machine foot and the auxiliary machine foot are arranged on the lower plate of the needle cylinder of the large circular knitting machine, and the bottom ends are respectively connected to the first rib plate and the second rib plate, and the top and bottom ends of the movable foot are respectively rotatably arranged on the lower plate of the needle cylinder of the large circular knitting machine and the third rib plate. The frame for the large-width knitting circular knitting machine of this embodiment, the main machine foot, the auxiliary machine foot and the movable foot make the frame expand outward, form a large accommodation space below the lower plate of the needle cylinder of the large circular knitting machine, and facilitate the installation of the large-width cloth winding machine. And the movable foot of the frame can be rotatably arranged, and the movable foot makes the outer contour size of the frame smaller after rotating inward, and the occupied space is reduced, so as to facilitate the overall transportation and storage of the large circular knitting machine equipment.

[0056] Optional, such as Figure 2 , Figure 3 As shown, the frame for the large-width circular knitting machine in this embodiment further includes: a fixing plate 5.

[0057] The fixed plate 5 is arranged on the lower plate 100 of the needle cylinder of the large circular knitting machine, the top end of the movable foot 3 is hinged on the fixed plate 5 through the upper fixed shaft 51, the bottom end of the movable foot 3 is hinged on the third rib 43 of the base plate bracket 4 through the lower fixed shaft 45, and the central axis of the upper fixed shaft 51 and the lower fixed shaft 45 are arranged to overlap with each other, so that the movable foot 3 can be rotatably arranged on the frame.

[0058] Furthermore, in the large-width circular knitting machine frame of the present embodiment, the fixed plate 5 is provided with a connecting slot 501, and the top of the movable foot 3 can be rotatably inserted in the connecting slot 501 of the fixed plate 5, and is hinged to the fixed plate 5 through the upper fixed shaft 51, so as to facilitate the connection between the movable foot and the fixed plate.

[0059] Furthermore, in the large-width circular knitting machine frame of the present embodiment, the movable leg 3 includes a left leg 31 and a right leg 32 .

[0060] The top ends of the left support leg 31 and the right support leg 32 are respectively hinged to the fixed plate 5 through the upper fixed shaft 51, and the bottom ends of the left support leg 31 and the right support leg 32 are respectively hinged to the third rib plate 43 of the bottom plate bracket 4 through the lower fixed shaft 45. When the left support leg 31 and the right support leg 32 are rotated and combined to abut against each other to form the movable leg 3, the shape of the movable leg 3 is similar to that of the auxiliary machine leg 2.

[0061] like Figure 4 and Figure 7 As shown, when the frame is transported, the left and right legs are rotated to both sides respectively, and then support the frame (circular knitting machine) to make the frame more stable.

[0062] Furthermore, the frame for the large-width circular knitting machine in this embodiment further includes: a connecting bolt 61 and a fixing nut 62.

[0063] The side walls of the left supporting leg 31 and the right supporting leg 32 of the movable leg 3 are both provided with mounting grooves 301 , and the side walls of the mounting grooves 301 of the left supporting leg 31 and the right supporting leg 32 are both provided with connecting holes 302 .

[0064] When the left supporting leg 31 and the right supporting leg 32 are rotated and combined to abut against each other, the connecting bolt 61 is passed through the connecting hole 302 of the left supporting leg 31 and the right supporting leg 32, and the fixing nut 62 is engaged on the connecting bolt 61. When the fixing nut 62 is tightened, the left supporting leg 31 and the right supporting leg 32 are connected and fixed to each other.

[0065] Furthermore, in the large-width circular knitting machine frame of the present embodiment, the adjacent top angles of the left support leg 31 and the right support leg 32 are arc-shaped, and the end faces of the left support leg 31 and the right support leg 32 form a limiting plane 303.

[0066] When the left supporting leg 31 and the right supporting leg 32 rotate, the arc-shaped corners of the left supporting leg 31 and the right supporting leg 32 contact and abut against each other. When the limiting planes 303 of the left supporting leg 31 and the right supporting leg 32 contact and abut against each other, the left supporting leg 31 and the right supporting leg 32 are in a straight line state, and the left supporting leg 31 and the right supporting leg 32 are restricted and stop rotating.

[0067] Furthermore, the large-width circular knitting machine frame in this embodiment also includes: a support foot adjustment mechanism 7.

[0068] The support leg adjustment mechanism 7 comprises: a support plate 71 , a first support leg screw rod 72 and a first adjustment nut 73 .

[0069] The foot adjustment mechanism 7 is provided with four sets.

[0070] Threaded holes are provided at the bottom of the main machine foot 1, auxiliary machine foot 2, left foot 31 and right foot 32 of the movable foot 3. The first foot screw 72 of the foot adjustment mechanism 7 is vertically arranged on the support plate 71. The first foot screws 72 of the four sets of foot adjustment mechanisms 7 are respectively engaged with the threaded holes of the main machine foot 1, auxiliary machine foot 2, left foot 31 and right foot 32. The first adjusting nut 73 is engaged with the first foot screw 72. By rotating the first foot screw 72 and the first adjusting nut 73, the heights of the main machine foot 1, auxiliary machine foot 2, left foot 31 and right foot 32 can be adjusted, thereby adjusting the overall level of the frame.

[0071] Furthermore, the large-width circular knitting machine frame in this embodiment further includes: an auxiliary supporting mechanism 8.

[0072] The auxiliary support mechanism 8 includes a support foot plate 81 , a second support foot screw rod 82 and a second adjustment nut 83 .

[0073] The third rib 43 of the base support 4 is provided with a threaded hole penetrating therethrough.

[0074] The second support foot screw 82 is vertically arranged on the support foot plate 81 and is engaged with the threaded hole of the third rib plate 43 of the base plate bracket 4 . The second adjusting nut 83 is engaged with the second support foot screw 82 .

[0075] In this embodiment, when the left and right legs need to be rotated, the second leg screw and the second adjusting nut are first rotated so that the leg plate supports the frame and the bottom of the left and right legs are suspended in the air, so that the left and right legs can be easily rotated.

[0076] Furthermore, in the large-width circular knitting machine frame of the present embodiment, the needle cylinder lower plate 100, the fixed plate 5, the left support leg 31 and the right support leg 32 of the movable leg 3, and the third rib plate 43 of the base plate bracket 4 are all provided with corresponding fixing holes 91, so that the fixed plate 5 and the needle cylinder lower plate 100, the fixed plate 5 and the left support leg 31, the fixed plate 5 and the right support leg 32, the third rib plate 43 and the left support leg 31, and the third rib plate 43 and the right support leg 32 are connected and fixed by fixing screws 92.

[0077] The utility model discloses a frame for a large-width circular knitting machine, a fixed plate is fixed to the lower plate of the needle cylinder of the circular knitting machine by means of fixed screws, the top ends of the left and right legs of the movable feet are hinged to the fixed plate by means of an upper fixed shaft, the bottom ends of the left and right legs of the movable feet are hinged to the third rib plate of the bottom plate bracket by means of a lower fixed shaft, and the left and right legs can rotate around the shaft.

[0078] After the left and right legs are rotated and merged, the top ends of the left and right legs are fixed to the fixed plate by fixing screws, the bottom ends of the left and right legs are fixed to the third rib plate by fixing screws, and the middle side walls of the left and right legs are connected and fixed by connecting bolts and fixing nuts to prevent the left and right legs from loosening. Then, the first leg screw and the first adjusting nut of the leg adjustment mechanism are adjusted to adjust the level of the rack.

[0079] When the left and right legs of the movable legs need to be rotated and opened, adjust the second leg screw and the second adjustment nut of the auxiliary support mechanism so that the bottom of the left and right legs are suspended in the air, and then loosen the fixing screw to easily rotate the left and right legs. After the left and right legs are separated into a straight line, adjust the first leg screw and the first adjustment nut at the bottom of the left and right legs so that the support plate supports the frame again, making the frame stable. At this time, the outer contour size of the frame becomes smaller and can be placed in a container for transportation.

[0080] The utility model discloses a large-width circular knitting machine frame. During the installation and adjustment process, the parts all rotate around the axis, and there is no large-scale disassembly and assembly and position movement of the parts, thereby reducing the error of restoring the assembly after transportation.

[0081] 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.

[0082] 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.

[0083] 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.

[0084] 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 frame for a large-width circular knitting machine, characterized in that: include: Main machine feet, auxiliary machine feet, movable feet and bottom plate bracket; The bottom plate bracket comprises: a connecting ring, a first rib plate, a second rib plate and a third rib plate, wherein the first rib plate, the second rib plate and the third rib plate are evenly distributed on the connecting ring; The main machine foot and the auxiliary machine foot are L-shaped, and the movable foot is C-shaped; The top ends of the main machine foot and the auxiliary machine foot are respectively fixedly arranged on the lower plate of the needle cylinder of the large circular knitting machine, and the bottom ends are respectively connected to the first rib plate and the second rib plate; The top end of the movable foot is rotatably arranged on the lower plate of the needle cylinder of the large circular knitting machine, and the bottom end is rotatably connected to the third rib plate, and the main machine foot, the auxiliary machine foot and the movable foot are evenly arranged in the circumferential direction. After the movable foot is rotated, it is used to reduce the outer contour of the frame.

2. The frame for a large-width circular knitting machine according to claim 1, characterized in that: Also includes: Fixed plate; The fixed plate is arranged on the lower plate of the syringe, the top end of the movable foot is hinged to the fixed plate through an upper fixed shaft, the bottom end is hinged to the third rib plate through a lower fixed shaft, and the central axes of the upper fixed shaft and the lower fixed shaft coincide with each other.

3. The frame for a large-width circular knitting machine according to claim 2, characterized in that: The fixing plate is provided with a connecting slot for the movable foot to be inserted into.

4. The frame for a large-width circular knitting machine according to claim 2, characterized in that: The movable foot comprises: a left supporting foot and a right supporting foot; The left support leg is rotatably arranged on the fixing plate and the third rib plate through the upper fixing shaft and the lower fixing shaft; The right supporting leg is rotatably arranged on the fixing plate and the third rib plate through the upper fixing shaft and the lower fixing shaft.

5. The frame for a large-width circular knitting machine according to claim 4, characterized in that: Also includes: Connecting bolts and fixing nuts; The left supporting leg and the right supporting leg are both provided with mounting grooves, the side walls of the mounting grooves are provided with connecting holes, the connecting bolts are passed through the connecting holes, and the fixing nuts are engaged with the connecting bolts to connect the left supporting leg with the right supporting leg.

6. The frame for a large-width circular knitting machine according to claim 4, characterized in that: The left supporting foot and the right supporting foot are both provided with a limiting plane; The limiting planes of the left supporting leg and the right supporting leg are used to limit the rotation of the left supporting leg and the right supporting leg when they abut against each other.

7. The frame for a large-width circular knitting machine according to claim 4, characterized in that: Also includes: Foot adjustment mechanism; The support foot adjustment mechanism comprises: a support plate, a first support foot screw and a first adjustment nut; The bottoms of the main machine foot, the auxiliary machine foot, the left foot and the right foot are all provided with threaded holes, the first foot screw is arranged on the support plate and engaged with the threaded hole, and the first adjustment nut is engaged with the first foot screw for adjusting the level of the rack.

8. The frame for a large-width circular knitting machine according to claim 7, characterized in that: Also includes: Auxiliary support mechanism; The auxiliary support mechanism comprises: a support foot plate, a second support foot screw and a second adjustment nut; The second support foot screw is arranged on the support foot plate and is engaged with the threaded hole of the third rib plate. The second adjusting nut is engaged with the second support foot screw and is abutted against the third rib plate.

9. The frame for a large-width circular knitting machine according to claim 4, characterized in that: The fixing plate, the left supporting leg, the right supporting leg and the third rib plate are all provided with fixing holes, so that the fixing plate, the left supporting leg and the right supporting leg are fixed by fixing screws.

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