Rotary driving device applied to circular knitting machine

Abstract

The utility model relates to the field of circular knitting machines, in particular to a rotation driving device applied to a circular knitting machine, which is characterized by comprising a fixed ring, a rotating ring, a coil assembly and a plurality of magnet blocks, the fixed ring is provided with a mounting ring groove, the rotating ring is provided with a convex ring part, the rotating ring is rotatably arranged on the end face of the fixed ring, and the coil assembly is arranged on the magnet blocks. The convex ring part is embedded in the mounting ring groove, the coil assembly is arranged in the mounting ring groove, the magnet blocks are arranged on the convex ring part, the magnet blocks are arranged around the axial center line of the convex ring part, the magnet blocks and the coil assembly are oppositely arranged, and the coil assembly and the magnet blocks jointly form an electromagnetic force driving structure for driving the rotating ring to rotate. Under the condition that the normal knitting requirement is met, the structure of the rotary driving device is greatly simplified, numerous transmission components and gears do not need to be adopted for transmission, the manufacturing difficulty and the manufacturing cost can be greatly reduced, the maintenance cost can be greatly reduced, and the high reliability and applicability can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of circular knitting machines, and particularly relates to a rotary driving device applied to a circular knitting machine. BACKGROUND

[0002] A patent application publication with the Chinese patent application number 202411486049.2 discloses a technical solution of a circular knitting machine with yarn lifting and adjusting functions, which comprises the following technical features: a large plate table, a transmission assembly, a shaft rod, a knitting assembly, and an extension adjusting assembly; the transmission assembly comprises a driver, a driving gear, a large plate gear, and a driven gear; the knitting assembly comprises a disc body, a needle cylinder, and a yarn feeding rack. In the circular knitting machine, the driving gear is driven to rotate by the driver, the driving gear drives the large plate gear to rotate synchronously, and the large plate gear drives the remaining driven gears to rotate synchronously in the rotating process. The driven gears transmit the rotating force to the large plate gear again in the rotating process, so that the large plate gear rotates stably, and the disc body drives the needle cylinder to rotate synchronously. As can be seen, in order to drive the needle cylinder to rotate by the driver, a plurality of transmission members (for example, the driving gear, the large plate gear, the driven gears, the disc body, and the like) are arranged between the driver and the needle cylinder. Since the teeth on the gears are difficult to manufacture, the transmission structure of the circular knitting machine has the disadvantages of complex structure, high manufacturing difficulty, high manufacturing cost, high maintenance cost, and the like. Therefore, it is necessary to design a rotary driving device applied to a circular knitting machine to solve the above technical problems. SUMMARY

[0003] The utility model aims at solving the above problems and deficiencies, and provides a rotary driving device applied to a circular knitting machine. The rotary driving device can greatly simplify the structure of the rotary driving device under the condition of meeting normal knitting requirements, does not need to use numerous transmission members and gear transmission, can greatly reduce the manufacturing difficulty and manufacturing cost, can greatly reduce the maintenance cost, has very high reliability and applicability, and can be applied to the field of circular knitting machines.

[0004] The technical solution of the utility model is implemented as follows:

[0005] A rotating driving device applied to a circular knitting machine, characterized in that it comprises a fixed ring, a rotating ring, a coil assembly and a plurality of magnet blocks, wherein an installation ring groove is formed on the end face of the fixed ring and arranged around the inner hole of the fixed ring, a convex ring part is arranged on the end face of the rotating ring and arranged around the inner hole of the rotating ring, the rotating ring is rotatably arranged on the end face of the fixed ring and the convex ring part is embedded in the installation ring groove, the coil assembly is arranged in the installation ring groove, each magnet block is arranged on the convex ring part and arranged around the axial center line of the convex ring part, each magnet block is oppositely arranged with the coil assembly, and the coil assembly and each magnet block jointly constitute an electromagnetic force driving structure for driving the rotating ring to rotate.

[0006] On the basis of the foregoing structure, the utility model gives two subdivision schemes, which are respectively:

[0007] The first subdivision scheme: each magnet block is arranged on the outer circumferential surface of the convex ring part, the coil assembly is arranged around the convex ring part, and each magnet block is uniformly located on the inner side of the coil assembly.

[0008] Preferably, a plurality of outer positioning grooves are annularly arranged on the outer circumferential surface of the convex ring part, and each magnet block is embedded in each outer positioning groove.

[0009] Preferably, the inner circumferential surface of the convex ring part is in sliding contact with the inner groove wall of the installation ring groove.

[0010] The second subdivision scheme: each magnet block is arranged on the inner circumferential surface of the convex ring part, the coil assembly is located on the inner side of the convex ring part, and each magnet block is uniformly arranged around the coil assembly.

[0011] Preferably, a plurality of inner positioning grooves are annularly arranged on the inner circumferential surface of the convex ring part, and each magnet block is embedded in each inner positioning groove.

[0012] Preferably, the outer circumferential surface of the convex ring part is in sliding contact with the outer groove wall of the installation ring groove.

[0013] Preferably, the rotating ring covers the groove opening of the installation ring groove.

[0014] Preferably, the convex ring part and the rotating ring are an integral structure.

[0015] The utility model discloses a beneficial effect: on the rotary drive device, the rotating ring can provide very good installation position for the needle cylinder of the circular knitting machine. And on the rotary drive device is through the coil assembly and each magnet block common constitute the electromagnetic force drive structure of driving rotating ring rotation, this can make the rotary drive device very simple, this need not set up other drive structure drive rotating ring rotation, it can greatly simplify the structure of rotary drive device under satisfying normal knitting demand, need not adopt numerous transmission component and gear transmission, it not only can benefit greatly reduce manufacturing difficulty and manufacturing cost, also can greatly reduce maintenance cost. The end face of fixed ring is provided with the installation ring groove, this can play the purpose of hiding, protecting coil assembly and magnet block, this can benefit electromagnetic force drive structure in dust, flying flocculus is heavier spinning environment long-term keeps high drive performance, set up the convex ring part not only can provide good installation position for magnet block, also can make each magnet block accurately in installation ring groove through the convex ring part, thereby can benefit each magnet block can and coil assembly stably act. Therefore, the rotary drive device can have very high reliability and applicability. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic diagram of first subdivision scheme in the utility model.

[0017] Figure 2 It is the structure schematic diagram of second subdivision scheme in the utility model. PREFERRED EMBODIMENT

[0018] As Figure 1 With Figure 2 The utility model discloses a kind of rotary drive devices on circular knitting machine, including fixed ring 1, rotating ring 2, coil assembly 3, several magnet blocks 4, wherein the end face of fixed ring 1 is provided with installation ring groove 11 around its inner hole arrangement, the end face of rotating ring 2 is provided with convex ring part 21 around its inner hole orifice arrangement, the rotating ring 2 is rotatably arranged on the end face of fixed ring 1, and make convex ring part 21 embedded in installation ring groove 11, the coil assembly 3 is arranged in installation ring groove 11, each magnet block 4 is arranged on convex ring part 21, and make magnet block 4 around the axial center line of convex ring part 21 arrangement, also make each magnet block 4 and coil assembly 3 relative arrangement, and make coil assembly 3 and each magnet block 4 common constitute the electromagnetic force drive structure of driving rotating ring 2 rotation.

[0019] The rotating ring 2 can provide a good installation position for the needle cylinder of the circular knitting machine. The rotating ring 2 is driven to rotate by the electromagnetic force driving structure formed by the coil assembly 3 and the magnet blocks 4, so that the rotating driving device is simple, and the rotating ring 2 can be driven to rotate without other driving structures, the structure of the rotating driving device is greatly simplified, a plurality of transmission members and gear transmissions are not needed, the manufacturing difficulty and cost are greatly reduced, and the maintenance cost is greatly reduced.

[0020] The installation ring groove 11 is formed in the end surface of the fixed ring 1, which can hide and protect the coil assembly 3 and the magnet blocks 4, so that the electromagnetic force driving structure can maintain high driving performance in a textile environment with heavy dust and lint for a long time; the convex ring part 21 can provide a good installation position for the magnet blocks 4, and the magnet blocks 4 can be accurately arranged in the installation ring groove 11 through the convex ring part 21, so that the magnet blocks 4 can stably act on the coil assembly 3.

[0021] Therefore, the rotating driving device has high reliability and applicability.

[0022] The specific structure of the coil assembly 3 adopts the assembly structure of the coil assembly of an existing motor, the assembly relationship between the coil assembly 3 and the magnet blocks 4 is the same as that between the coil assembly and the magnet blocks of the existing motor, and the electromagnetic force driving structure formed by them is the same as that of the motor, so that the actual manufacturing and driving requirements of the rotating ring 2 can be met.

[0023] When the rotating driving device is applied to the circular knitting machine, the fixed ring 1 is arranged horizontally, the fixed ring 1 is fixed to the frame (not shown in the figure) of the circular knitting machine, the installation ring groove 11 is located on the upper end surface of the fixed ring 1, the rotating ring 2 is arranged horizontally on the upper end surface of the fixed ring 1, and the needle cylinder (not shown in the figure) is arranged on the rotating ring 2, so that a structure for driving the needle cylinder to rotate is formed, and the normal use requirements of the circular knitting machine can be met.

[0024] Based on the foregoing structure, two subdivision schemes are given, wherein, Figure 1 The first subdivision scheme is shown, Figure 2 The second subdivision scheme is shown.

[0025] The first subdivision scheme is:

[0026] As Figure 1As shown in the figure, each magnet block 4 is arranged on the outer circumferential surface of the convex ring part 21, and the coil assembly 3 is arranged around the convex ring part 21, and each magnet block 4 is uniformly located on the inner side of the coil assembly 3. This can make each magnet block 4 and the coil assembly 3 accurately and stably correspond, thereby facilitating the formation of a stable and reliable electromagnetic force driving structure, and further helping to further improve the reliability and applicability of the rotary driving device.

[0027] As shown in the figure, Figure 1 The outer circumferential surface of the convex ring part 21 is annularly arranged with a plurality of outer positioning grooves 211, and each magnet block 4 is embedded in each outer positioning groove 211. Through the outer positioning groove 211, the magnet block 4 can be accurately and stably positioned, which can facilitate the convenience, accuracy and stability of the installation and positioning of the magnet block 4, thereby helping to further improve the reliability and applicability of the rotary driving device.

[0028] As shown in the figure, Figure 1 The inner circumferential surface of the convex ring part 21 is in sliding contact with the inner groove wall of the mounting ring groove 11. This can accurately and stably position the rotating ring 2 while meeting the rotating demand of the rotating ring 2, which helps to improve the accuracy and stability of the rotation of the rotating ring 2, thereby helping to further improve the reliability and applicability of the rotary driving device.

[0029] Second subdivision scheme:

[0030] As shown in the figure, Figure 2 Each magnet block 4 is arranged on the inner circumferential surface of the convex ring part 21, and the coil assembly 3 is located on the inner side of the convex ring part 21, and each magnet block 4 is uniformly arranged around the coil assembly 3. This can make each magnet block 4 and the coil assembly 3 accurately and stably correspond, thereby facilitating the formation of a stable and reliable electromagnetic force driving structure, and further helping to further improve the reliability and applicability of the rotary driving device.

[0031] As shown in the figure, Figure 2 The inner circumferential surface of the convex ring part 21 is annularly arranged with a plurality of inner positioning grooves 212, and each magnet block 4 is embedded in each inner positioning groove 212. Through the inner positioning groove 212, the magnet block 4 can be accurately and stably positioned, which can facilitate the convenience, accuracy and stability of the installation and positioning of the magnet block 4, thereby helping to further improve the reliability and applicability of the rotary driving device.

[0032] As shown in the figure, Figure 2 The outer circumferential surface of the convex ring part 21 is in sliding contact with the outer groove wall of the mounting ring groove 11. This can accurately and stably position the rotating ring 2 while meeting the rotating demand of the rotating ring 2, which helps to improve the accuracy and stability of the rotation of the rotating ring 2, thereby helping to further improve the reliability and applicability of the rotary driving device.

[0033] As Figure 1 With Figure 2 As shown in the figure, the coil assembly 3 is fixed on the groove wall of the mounting ring groove 11, and each magnet block 4 is fixed on the convex ring part 21, so that the coil assembly 3 and each magnet block 4 can stably act, thereby meeting the actual use requirements.

[0034] As Figure 1 With Figure 2 As shown in the figure, the rotating ring 2 covers the slot opening of the mounting ring groove 11. In this way, the coil assembly 3 and each magnet block 4 can be better shielded and protected, thereby enabling the rotary drive device to maintain high rotary drive performance for a longer period of time, which helps to further prolong the service life of the rotary drive device.

[0035] As Figure 1 With Figure 2 As shown in the figure, the convex ring part 21 and the rotating ring 2 are in an integral structure. In this way, the structural strength and stability can be improved, thereby helping to further improve the reliability and applicability of the rotary drive device.

[0036] The above embodiment is a preferred embodiment of the present application, and any similar structure and equivalent changes made shall belong to the protection scope of the present application.

Claims

1. A rotating drive device for use on a circular knitting machine, characterized in that: The application relates to a magnetic ring motor, which comprises a fixed ring (1), a rotating ring (2), a coil assembly (3) and a plurality of magnet blocks (4), wherein an installation ring groove (11) is arranged around the inner hole of the end face of the fixed ring (1), a convex ring part (21) is arranged around the inner hole of the end face of the rotating ring (2), the rotating ring (2) is rotatably arranged on the end face of the fixed ring (1) and the convex ring part (21) is embedded in the installation ring groove (11), the coil assembly (3) is arranged in the installation ring groove (11), each magnet block (4) is arranged on the convex ring part (21) and around the axial center line of the convex ring part (21), each magnet block (4) is arranged opposite to the coil assembly (3), and the coil assembly (3) and each magnet block (4) jointly form an electromagnetic force driving structure for driving the rotating ring (2) to rotate.

2. Use of a rotary drive on a knitting machine according to claim 1, characterized in that: Each magnet block (4) is arranged on the outer circumferential surface of the convex ring part (21), the coil assembly (3) is arranged around the convex ring part (21), and each magnet block (4) is uniformly located on the inner side of the coil assembly (3).

3. Use of a rotary drive on a knitting machine according to claim 2, characterized in that: A plurality of outer positioning grooves (211) are annularly arranged on the outer circumferential surface of the convex ring part (21), and each magnet block (4) is embedded in each outer positioning groove (211).

4. Use of a rotary drive on a knitting machine according to claim 2, characterized in that: The inner circumferential surface of the convex ring part (21) is in sliding contact with the inner groove wall of the installation ring groove (11).

5. Use of a rotary drive on a knitting machine according to claim 1, characterized in that: Each magnet block (4) is arranged on the inner circumferential surface of the convex ring part (21), the coil assembly (3) is located on the inner side of the convex ring part (21), and each magnet block (4) is uniformly arranged around the coil assembly (3).

6. Use of a rotary drive on a knitting machine according to claim 5, characterized in that: A plurality of inner positioning grooves (212) are annularly arranged on the inner circumferential surface of the convex ring part (21), and each magnet block (4) is embedded in each inner positioning groove (212).

7. Use of a rotary drive on a knitting machine according to claim 5, characterized in that: The outer circumferential surface of the convex ring part (21) is in sliding contact with the outer groove wall of the installation ring groove (11).

8. Use of a rotary drive on a knitting machine according to claim 1, characterized in that: The rotating ring (2) covers the groove opening of the installation ring groove (11).

9. A rotating drive device for use on a knitting machine according to any one of claims 1 to 8, characterized in that: The convex ring part (21) and the rotating ring (2) are an integral structure.

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