CN113862897B - Support bracket and support assembly of three-dimensional knitting machine and three-dimensional knitting machine - Google Patents

Abstract

The invention belongs to the technical field of three-dimensional weaving, and relates to a support bracket, a support assembly and a three-dimensional weaving machine of the three-dimensional weaving machine. The connecting parts are arranged at the two ends of the three-dimensional braiding machine supporting bracket, and the connecting parts at the two ends of the supporting bracket are connected with the connecting parts at the two ends of the supporting bracket in an expanding way, so that a supporting assembly for supporting the operation of the sliding chute is formed, and the supporting assembly can be suitable for the operation of the sliding chutes of the three-dimensional braiding machines with different specifications through different numbers of supporting brackets and parts with different sizes.

Description

A support bracket for a three-dimensional braiding machine, a support assembly, and a three-dimensional braiding machine

technical field

The invention belongs to the field of three-dimensional weaving, and in particular relates to a support assembly of a three-dimensional weaving machine, in particular to a support bracket applicable to the support assembly, and also to a three-dimensional weaving machine capable of three-dimensional weaving.

Background technique

The three-dimensional knitting machine in the prior art is mainly composed of chute, support device, spindle and other components. With the maturity of the three-dimensional knitting machine technology, the size of the three-dimensional knitting machine parts is increasing, and the equipment processing, The increase in equipment cost is also accompanied by time-consuming and laborious maintenance work, which reduces production efficiency. Therefore, a new type of equipment is needed in the field of three-dimensional weaving to reduce the equipment cost, maintenance cost and large size of three-dimensional weaving.

At the same time, the chute in the three-dimensional knitting machine is fixedly connected with the base or the support frame. If there is a small damage to the base or the support frame, the entire part needs to be replaced, which greatly increases the maintenance cost of the equipment, and the maintenance and replacement of parts The process is also relatively complicated, further affecting production efficiency. If the supporting device is modularized through the present invention, the supporting bracket can be spliced and assembled in a modular manner, not only can the corresponding splicing be carried out according to the size of the required supporting device, but also when replacing damaged parts, only need to replace Damaged modules are enough, which solves the problems of large maintenance engineering and high equipment cost.

In view of this, the present invention is proposed.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a support bracket, a support assembly and a three-dimensional knitting machine for a three-dimensional knitting machine. Connection, multiple support brackets can be spliced into a whole support assembly, and the support for the chute of the three-dimensional knitting machine with different specifications can be realized by adjusting the number of support brackets.

In order to solve the problems of the technologies described above, the present invention adopts the basic idea of technical solution to be:

A support bracket for a three-dimensional knitting machine, the support bracket has a certain extension length, and a plurality of bearing installation parts distributed along the length extension direction of the support bracket are arranged on the support bracket; the two ends of the support bracket are respectively provided with connecting parts.

Further, the connecting part is a connecting groove recessed in the side surface of the supporting bracket, and the connecting groove extends from the end surface of the supporting bracket along the length direction of the supporting bracket to the middle of the supporting bracket for a certain length;

Preferably, two side surfaces opposite to each other of the supporting bracket are provided with connecting grooves;

Preferably, at least two connecting grooves are provided on the side surface of the supporting bracket along the vertical direction;

Preferably, the connecting groove is provided with several mounting holes distributed along the extending direction of the connecting groove;

More preferably, first positioning holes are provided between adjacent mounting holes.

Further, the bearing installation part is a bearing installation groove recessed on the top surface of the support bracket, and a partition perpendicular to the length direction of the support bracket is formed between two adjacent bearing installation grooves;

Preferably, the bearing installation groove penetrates from one side surface of the support bracket to the other side surface.

Further, the upper edge of the separator is partially recessed to form a bearing support groove.

Further, the bottom of the supporting bracket is provided with a fixing part, and the fixing part is formed by extending horizontally outward from the bottom edge of the side surface;

Preferably, the bottoms of the two opposite side surfaces of the supporting bracket are provided with fixing parts;

Still more preferably, the fixing portion is provided with fixing holes penetrating up and down, and the fixing holes are arranged near both ends of the support bracket.

The second object of the present invention is to provide a support assembly of a three-dimensional braiding machine, including the above-mentioned support bracket, and at least two support brackets are arranged along the extending direction of its length;

It also includes: connecting pieces, which are respectively connected to two adjacent connecting parts on two adjacent chute bodies;

and a bearing installed on the bearing installation part.

Further, the connecting part is a connecting groove recessed in the side surface of the supporting bracket, and the connecting piece is arranged in the connecting groove;

Preferably, the surface of the connecting member facing the outside of the connecting groove is flush with the side surface of the supporting bracket.

Further, the bearing installation part is a bearing installation groove recessed on the top surface of the support bracket; the bearing is rotatably arranged in the bearing installation groove, the rotation axis of the bearing is parallel to the length extension direction of the support bracket, and the bearing The top protrudes from the top surface of the support bracket.

Further, a partition perpendicular to the length direction of the support bracket is formed between two adjacent bearing installation grooves, and the upper edge of the partition is partially concave to form a bearing support groove; the surface of the bearing facing the partition has a convex a raised support part, the support part is arranged in the bearing support groove;

Preferably, the bottom of the bearing is spaced apart from the bottom surface of the bearing installation groove.

The third object of the present invention is to provide a three-dimensional braiding machine, including a chute assembly, and the above-mentioned support assembly, the chute assembly is horizontally movable along the direction perpendicular to the length extension of the support bracket and is mounted on the support on the component.

After adopting the above technical scheme, the present invention has the following beneficial effects compared with the prior art

1. The connecting parts provided at both ends of the supporting bracket and the two opposite side surfaces of the present invention allow two adjacent supporting brackets to be connected through the cooperation between the connecting piece and the connecting part. And because the connecting piece is an independent part, it is easier to replace the connecting piece between two adjacent chute main bodies.

2. In the present invention, a first positioning hole is provided between the adjacent mounting holes provided in the connecting part. When two adjacent support brackets are connected through the mounting holes in the connecting part, the connection between the connecting piece and the connecting part is carried out through the first positioning hole. The positioning of the mounting holes can quickly connect two adjacent support brackets without deviation.

3. The support brackets in the present invention can be spliced with support brackets corresponding to the size and quantity of most three-dimensional knitting machines. In addition, the structure of the support bracket is relatively simple, and can be mass-produced, which effectively reduces the processing cost of the three-dimensional braiding machine equipment, and can also correspondingly reduce the required cost for processing protective parts.

4. In the present invention, the bottom of the support bracket is provided with a fixing part. After the support brackets are spliced into a support assembly, the distance between the support brackets is fixed through the fixing holes provided on the fixing part, so as to prevent the support assembly from generating abnormalities during operation. Stable conditions, resulting in abnormal operation of equipment and affecting work efficiency.

The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

Description of drawings

The accompanying drawings, as a part of the present invention, are used to provide a further understanding of the present invention, and the schematic embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute improper limitations to the present invention. Apparently, the drawings in the following description are only some embodiments, and those skilled in the art can also obtain other drawings according to these drawings without creative efforts. In the attached picture:

Fig. 1 is a schematic diagram of a support bracket structure in an embodiment of the present invention;

Fig. 2 is a schematic diagram of a connector in an embodiment of the present invention;

Fig. 3 is a schematic diagram of a bearing in an embodiment of the present invention;

Fig. 4 is a schematic structural view of the main body of the chute in an embodiment of the present invention;

Fig. 5 is an enlarged structure diagram of Fig. 4A in the embodiment of the present invention.

In the figure: 1. Bearing installation slot; 2. Bearing support slot; 3. Connection slot; 4. First positioning hole; 5. Fixing hole; 6. First installation slot; 7. Fourth installation hole; 8. Side partition 9. Spindle running track; 10. Installation part; 11. First connector; 15. Installation hole; 21. First installation hole; 25. Counterbore; 26. Second positioning hole; 30. Support part.

It should be noted that these drawings and text descriptions are not intended to limit the concept scope of the present invention in any way, but illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention , but not to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Embodiment one

As shown in Figures 1-3, the support assembly of a three-dimensional braiding machine described in this embodiment includes a support bracket with a certain extension length, which is respectively connected to two adjacent connecting parts on two adjacent chute main bodies. connectors.

In this embodiment, the support bracket is provided with several bearing installation parts distributed along the length extension direction of the support bracket, and bearings installed on the bearing installation parts; the two ends of the support bracket are respectively provided with connection department.

Specifically, the support bracket of this embodiment is provided with three bearing installation parts, which are evenly arranged along the length direction, and a partition perpendicular to the length direction of the support bracket is formed between the adjacent bearing installation parts.

The connecting part described in this embodiment is a connecting groove 3 recessed on the two opposite side surfaces of the supporting bracket. One side surface is provided with connection groove 3, and described connection groove 3 is arranged on the two ends of side surface, and each end is provided with two connection grooves 3 on vertical direction, and described connection groove 3 is provided with two uniform The mounting holes 15 are arranged, and the first positioning hole 4 is provided between the two mounting holes 15 .

In this embodiment, each end of the support bracket is provided with two connecting grooves 3, and in the case of a loose connection between one group of connecting parts and the connecting grooves 3, another group of connecting parts and connecting grooves 3 at the same end can be It has an effective cushioning effect, and the arrangement design of the connecting grooves 3 can also prevent the connecting piece and the connecting grooves 3 from loosening easily, so that the connection effect between adjacent supporting brackets is more stable.

In this embodiment, the connecting portion is a connecting groove 3 recessed in the side surface of the supporting bracket, and the connecting piece is arranged in the connecting groove 3 . The surface of the connecting piece facing the outside of the connecting groove 3 is flush with the side surface of the support bracket.

Further, the connecting piece is provided with the installation holes 15 corresponding to the first positioning holes 4 provided in the connecting grooves 3 of two adjacent support brackets, wherein the connecting piece is installed in the connecting groove 3 The hole corresponding to the hole 15 is a counterbore 25, the main function is to allow the bolt screw rod to be installed to connect the fixed connector and the support bracket, the nut of the bolt is not higher than the side surface of the support bracket, and the second positioning hole 26 in the connecting plate Correspondingly is the second positioning hole 26 which is the same as the first positioning hole 4 in the connecting groove 3 . The length of the connecting piece is twice the length of the connecting groove 3, and the connecting piece is respectively connected with the connecting groove 3 on two adjacent support brackets.

The mounting hole 15 provided in the connecting groove 3 in this embodiment is a fixed part connected between adjacent support brackets, wherein the first positioning hole 4 is arranged between the two mounting holes 15, and it is for passing through the first positioning hole first. The hole 4 is used for positioning the connector and the connecting groove 3. After the positioning is completed, the adjacent support brackets are fixedly connected by using the cooperation between the screw rod and the screw hole.

The bearing installation part described in this embodiment is a bearing installation groove 1 recessed on the top surface of the support bracket, and a partition perpendicular to the length direction of the support bracket is formed between two adjacent bearing installation grooves 1; the bearing installation groove 1. From one side surface of the support bracket to the other side surface, the bearing is rotatably arranged in the bearing installation groove 1, and the two side surfaces are penetrated, so that the movement of the bearing can be observed more intuitively and clearly , When the bearing is offset, it can prevent the bearing from continuing to work and develop in an irregular form in advance, and it is simpler and more convenient to replace and maintain the bearing. The rotation axis of the bearing is parallel to the length extension direction of the support bracket, and the top of the bearing protrudes from the top surface of the support bracket. The bottom partitions are convenient for contact, preventing friction between the bottom surface of the main body of the chute and the top surface of the support bracket.

A partition perpendicular to the length direction of the support bracket is formed between two adjacent bearing installation grooves 1 in the support bracket described in this embodiment, and the upper edge of the partition is partially concave to form a bearing support groove 2; the bearing There is a raised support portion 30 on the surface facing the partition, the support portion 30 is cylindrically arranged on the axis of the opposite surface of the bearing, the support portion 30 is located in the bearing support groove 2, and the support portion 30 provided on the adjacent bearing Can be placed in the same bearing support groove 2.

The bottom of the bearing is spaced apart from the bottom surface of the bearing installation groove 1. If the bearing is in contact with the bottom surface of the bearing installation groove 1, friction will occur between the support bracket and the bearing, which will directly affect the rotation of the bearing, and then indirectly Effects on the slide grooves that the bearings come into contact with.

Further, the support part 30 is a bearing support rod arranged on the bearing, and the bearing support rod is connected with it on both sides of the bearing by welding, the bearing support rod is located in the bearing support groove 2, and rotates along the axis to drive the bearing Rotate, and then make relative movement between the bearing and the bottom partition of the chute main body.

Alternatively, the bearing is a hollow bearing with a through hole in the middle, and the bearing support rod is passed through the through hole in the middle of the bearing, and the two can rotate relative to each other. To prevent the friction between the bearing support rod and the bearing support groove 2 due to long-term work, which will cause damage and deformation to the bearing support rod and the bearing support groove 2, the bearing support rod is fixed in the bearing installation groove 1, ensuring While the bearing support bar is normally connected with the bearing support groove 2, it is also used to fix the height of the bearing and limit the horizontal displacement of the bearing, so as to ensure that the support bracket can stably support the movement of the main body of the chute.

In this embodiment, the bottom of the supporting bracket is provided with a fixing part, and the fixing part is formed by extending horizontally outward from the bottom edge of the side surface; the bottoms of the two side surfaces opposite to each other of the supporting bracket are provided with fixing parts; The fixing part is provided with a fixing hole 5 that penetrates up and down, and the fixing hole 5 is arranged near the two ends of the support bracket. After the support bracket is connected to form a support assembly, the fixing hole 5 passes through the fixing hole 5 on the fixing part Overlap with the fixing hole on the support base, and then fix the distance between the support bracket and the support bracket, the support component and the support component, and prevent the support device from being unstable during the working process, resulting in abnormal operation of the equipment. affect work efficiency.

In this embodiment, the supporting brackets position the first positioning holes 4 provided in the connecting grooves 3 at both ends on the side surfaces of the adjacent supporting brackets through the connectors with the counterbore 25 and the second positioning hole 26, Connect with the mounting groove in the connecting groove 3 through the counterbore 25, the bearing mounting groove 1 recessed in the supporting bracket top surface is provided on the top surface of the supporting bracket, and the bearing mounting groove 1 is used to install the bearing to support the chute exercise. Preferably, the bearing support groove 2 is mainly used to support the rotation of the bearing support rod.

Further, by splicing the above support brackets to form a support assembly of required specifications, the support assembly provided with fixing holes 5 is fixed in the support base, so that the same distance is maintained between the support brackets, and the distance between the support brackets is The distance is less likely to be offset, thereby improving the supporting effect of the supporting bracket.

Embodiment two

As shown in Figures 1-5, this embodiment provides a three-dimensional knitting machine, which includes a chute, a spindle, and a support device, wherein the support device is formed by splicing a support assembly, and the support assembly includes a support bracket, a bearing, The supporting base and the connecting piece, wherein the supporting assembly is formed by connecting the connecting piece with the connecting groove 3 in the adjacent supporting bracket. The connecting piece is a connecting plate, and the connecting plate is provided with four uniform The counterbore 25 of arrangement, the second positioning hole 26 is arranged between the counterbore 25 that is positioned at both ends and its adjacent counterbore 25, and the connecting plate connects the connecting groove 3 on the adjacent two support brackets, and the connecting groove 3 is provided with There is a screw hole matching the counterbore 25 on the connecting plate.

In this embodiment, the support bracket also includes a fixing hole 5, a bearing installation groove 1, and a bearing support groove 2, wherein each support bracket is provided with three bearing installation grooves 1, and is provided with three bearing supports for supporting the bearing. Slot 2, the support bracket can support the chute main body in the three chute, wherein the bearing has a through hole, the bearing is a hollow cylinder, the center of which is provided with a supporting rod that matches it. Further, the support rods are installed in the through holes in the middle of the three bearings, and the distance between the bearings is the same, the distance is the same as the width of the bearing support groove 2, and the bearings and the support rods can rotate relative to each other, and the top of the bearings It protrudes from the top surface of the support bracket and contacts with the bottom partition provided in the main body of the chute.

Further, a fixing hole 5 is provided in the fixing part, and the fixing hole 5 penetrates through the fixing part in a cylindrical shape, and the fixing hole 5 is arranged near two ends of the support bracket.

Further, the above-mentioned chute is formed by splicing chute components, which includes a chute body with a certain extension length, and a number of spindle running tracks evenly distributed along the extension direction of the length of the chute body are provided on the chute body 9; and the two ends of the main body of the chute are respectively provided with first installation grooves 6 recessed on the side surface of the main body of the chute. By providing the concave first installation groove 6, the adjacent chute main bodies can be stably connected effectively.

In this embodiment, the first installation groove 6 extends a certain length from both ends of the chute body to the middle of the chute body along the length direction of the chute body; A mounting groove 6 ; the first mounting groove 6 is provided with a plurality of first mounting holes 21 evenly distributed along the first mounting groove 6 . The first connecting piece 11 connects the adjacent chute main bodies through the first mounting hole 21 .

In this embodiment, the middle area of the side surface of the main body of the chute is provided with a concave second installation groove, and the second installation groove extends to both ends along the length direction of the main body of the chute for a certain length; A second mounting hole is provided. The second connector fixes the side partition 8 through the second installation holes at both ends of the second installation groove and the fourth installation holes 7 at both ends of the side partition 8 , and the fixing method uses two ends to fix.

In this embodiment, the middle area of the bottom surface of the main body of the chute is provided with a concave third installation groove, and the third installation groove extends to both ends along the length direction of the main body of the chute for a certain length; A third mounting hole is provided. The third connecting piece fixes the bottom partition through the third installation holes at both ends of the third installation groove and the fifth installation holes at both ends of the bottom partition, and the fixing method uses two ends to fix.

In this embodiment, the side partition 8 in the side surface is divided into two parts, which can be divided into the part where the fourth installation hole 7 is set, the installation part 10 that does not protrude from the side surface of the main body of the chute, and the installation part 10 located at the two installation holes. Between the parts 10 protrude from the protruding part of the side surface of the main body of the chute, wherein the mounting part 10 is concave relative to the side surface of the main body of the chute, and the protruding part is protruding relative to the side surface of the main body of the chute. Wherein the mounting portion 10 of the side partition plate 8 is concave relative to the side surface of the main body of the chute, which facilitates the connection between the second mounting hole and the fourth mounting hole 7 by a screw, while the protruding portion is in a concave shape relative to the side surface of the main body of the chute. The protruding shape is convenient for forming a space between two adjacent chute bodies, preventing frictional collision between two adjacent chute bodies during the working process, and affecting the working efficiency of the equipment.

In this embodiment, preferably, the bottom partition can be divided into an installation part that is provided with the fifth installation hole and does not protrude from the side surface of the chute main body, and a part between the two installation parts that protrudes from the side surface of the chute main body. The protruding part, wherein the mounting part is concave relative to the bottom surface of the main body of the chute, the difference between the bottom partition and the side partition 8 is that the protruding part is protruding relative to the mounting part, and the protruding part is relatively The bottom surface is concave. The installation part of the bottom partition is concave relative to the bottom surface of the main body of the chute to facilitate the connection between the third installation hole and the fifth installation hole through the screw rod, while the installation part is concave relative to the bottom surface of the main body of the chute, and convex The protruding part is concave relative to the bottom surface, so that the bottom partition of the chute main body in the chute is in contact with the bearing of the supporting device during the working process, while the protruding part uses the concave shape on the bottom surface. The shape fixes the movement trajectory of the chute, and is protruding from the installation part to protect the installation part from wear and prevent the connection between the bottom partition and the bottom of the chute main body.

Further, the bottom partition is in contact with the above-mentioned bearing, wherein the distance between the bottom partitions in two adjacent chute bodies is equal to the distance between the bearings in two adjacent support brackets, and the top of the bearing is higher than the top of the support bracket. The top surface is to prevent friction between the bottom surface of the chute main body and the top surface of the support bracket, thereby affecting the work of the three-dimensional braiding machine.

In this embodiment, the three-dimensional knitting machine is composed of an extendable support bracket and an extendable chute main body, wherein the support bracket forms a support assembly through the splicing method described in Embodiment 1, and the support assembly is carried out on the support base. The support device is fixed to support the movement of the chute. The chute is a chute assembly formed by splicing the chute body as described above, and then the chute assembly is formed by arranging the chute and the support device. After assembling, a certain number of spindles are placed in the running track 9 of the spindles to obtain a three-dimensional weaving equipment, and the three-dimensional weaving equipment is composed of modules.

Preferably, in this embodiment, the relative movement between the partition plate at the bottom of the main body of the chute and the bearing provided on the support bracket enables the three-dimensional weaving equipment to carry out weaving, so as to realize the miniaturization of the components of the three-dimensional weaving equipment, and then achieve the lifting A significant technological advance in the assembly flexibility of 3D knitting machines.

The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Anyone familiar with the technology of this patent Without departing from the scope of the technical solution of the present invention, personnel can use the technical content of the above prompts to make some changes or modify them into equivalent embodiments with equivalent changes. In essence, any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the solutions of the present invention.

Claims (14)

1. The support bracket of the three-dimensional knitting machine is characterized in that the support bracket has a certain extending length and is provided with a plurality of bearing installation parts distributed along the length extending direction of the support bracket; the two ends of the supporting bracket are respectively provided with a connecting part;

the bearing mounting part is a bearing mounting groove which is inwards concave to the top surface of the supporting bracket, and a partition plate which is vertical to the length direction of the supporting bracket is formed between every two adjacent bearing mounting grooves; the bearing mounting groove penetrates from one side surface to the other side surface of the support bracket;

the upper edge of the clapboard is partially concave to form a bearing supporting groove.

2. The support frame of the three-dimensional knitting machine as claimed in claim 1, wherein the coupling portion is a coupling groove recessed in a side surface of the support frame, the coupling groove extending from an end surface of the support frame to a middle portion of the support frame in a length direction of the support frame by a certain length.

3. Support bracket of a three-dimensional weaving machine according to claim 2, characterized in that the support bracket is provided with attachment grooves on both opposite side surfaces.

4. Support bracket of a three-dimensional knitting machine according to claim 3, characterized in that at least two attachment grooves are provided in the vertical direction on the side surface of the support bracket.

5. The support bracket of a three-dimensional knitting machine as claimed in claim 4, wherein the attachment slot has a plurality of mounting holes therein distributed along an extension direction of the attachment slot.

6. The support bracket of a three-dimensional knitting machine as claimed in claim 5, wherein a first locating hole is provided between adjacent mounting holes.

7. Support frame for a three-dimensional weaving machine according to any one of claims 1-6, characterized in that the bottom of the support frame is provided with a fixing part, which is formed extending horizontally outwards from the bottom edge of the side surface.

8. The support bracket of the three-dimensional knitting machine as claimed in claim 7, wherein the support bracket is provided with a fixing portion at the bottom of each of two opposite side surfaces.

9. The support frame of a three-dimensional knitting machine as claimed in claim 8, wherein the fixing portion has fixing holes extending therethrough, the fixing holes being disposed near both ends of the support frame.

10. Support assembly for a three-dimensional knitting machine, comprising at least two support carriers according to any of claims 1-9 arranged in an array along their length extension;

further comprising: the connecting pieces are respectively connected with the two connecting parts close to the two adjacent supporting brackets;

and a bearing mounted on the bearing mounting portion;

the bearing mounting part is a bearing mounting groove which is inwards concave to the top surface of the supporting bracket; the bearing is rotatably arranged in the bearing mounting groove, the rotating axis of the bearing is parallel to the length extending direction of the supporting bracket, and the top of the bearing protrudes out of the top surface of the supporting bracket;

a partition plate perpendicular to the length direction of the support bracket is formed between two adjacent bearing mounting grooves, and the upper edge of the partition plate is partially recessed to form a bearing support groove; the bearing has a raised support portion on a surface facing the partition plate, the support portion being disposed in the bearing support groove.

11. The support assembly of a three-dimensional knitting machine as claimed in claim 10, wherein the coupling portion is an attachment slot recessed into a side surface of the support carrier, the coupling member being disposed within the attachment slot.

12. The support assembly of a three-dimensional knitting machine as claimed in claim 11 wherein a surface of the link that faces outward from the attachment slot is flush with a side surface of the support bracket.

13. Support assembly of a three-dimensional knitting machine according to claim 10,

the bottom of the bearing and the bottom surface of the bearing mounting groove are arranged at intervals.

14. Three-dimensional knitting machine comprising a runner assembly and a support assembly according to any of claims 10-13, said runner assembly being mounted on said support assembly for horizontal movement in a direction perpendicular to the length extension of the support carrier.

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