Compact drum machine drive

Abstract

The utility model provides a compact type big circle machine transmission device, its structure includes the knitting disc, transmission ring, transmission gear, drive component, transmission ring is located knitting disc outer ring, transmission ring outer ring is equipped with the rack, transmission gear is engaged with the rack, transmission gear center vertical transmission shaft is equipped with, drive component is connected in transmission shaft bottom, to drive transmission gear one -way rotation or reciprocating rotation through transmission shaft, set up the flexible restriction component on the knitting disc on the transmission device that realizes big circle machine knitting disc reciprocating rotation to carry out the flexible action restriction of straight surface to transmission gear on transmission structure, compares the limit push rod of peripheral equipment in the prior art, effectively prevents the side force, and influences the engagement of transmission gear and the rack.

Description

Technical Field

[0001] This utility model relates to the technical field of transmission devices for large circular knitting machines, and in particular to a compact transmission device for large circular knitting machines. Background Technology

[0002] A circular knitting machine is a common name for a circular weft knitting machine; its formal name is a circular weft knitting machine, and it belongs to the category of knitting machinery. Its core feature is that it achieves efficient knitting through a multi-path loop-forming system.

[0003] The existing transmission devices for reciprocating rotation of the knitting disc on a circular knitting machine use direct contact via push rods for physical limiting after stopping, which can easily affect the meshing between transmission parts. Utility Model Content

[0004] The purpose of this invention is to provide a compact large circular machine transmission device to solve the above-mentioned problems.

[0005] The technical solution of this utility model is implemented as follows:

[0006] This utility model provides a compact circular knitting machine transmission device, the structure of which includes a knitting disc, a transmission ring, a transmission gear, and a drive assembly; the transmission ring is located on the outer ring of the knitting disc, and the outer ring of the transmission ring is provided with a rack; the transmission gear meshes with the rack, and a transmission shaft is vertically provided at the center of the transmission gear; the drive assembly is connected to the bottom of the transmission shaft to drive the transmission gear to rotate unidirectionally or reciprocally through the transmission shaft.

[0007] The knitting disc has a flexible limiting component at the bottom edge to provide positive flexible limiting of the transmission gear via a rack.

[0008] In the above technical solution, a flexible limiting component is set on the knitting disc of the circular knitting machine to realize the reciprocating rotation of the knitting disc. This component provides a direct and flexible constraint on the transmission gears in the transmission structure. Compared with the external limiting push rod in the prior art, this effectively prevents the meshing of the transmission gears and rack from being affected by lateral forces.

[0009] In one embodiment, for flexible contact restriction, the flexible restriction component includes a drive groove, an extrusion block, a micro motor, and an elastic pad located on the bottom surface of the knitting disc. The extrusion block is slidably disposed within the drive groove. The micro motor is horizontally disposed on the inner wall of the drive groove on the side away from the transmission ring. The elastic pad is disposed on the end face of the extrusion block facing the transmission ring. An internal threaded hole is provided at the center of the other end face of the extrusion block. The output end of the micro motor is provided with a screw threadedly connected to the internal threaded hole. A plurality of limiting rods are provided on the end face of the elastic pad away from the extrusion block. The ends of the limiting rods extend and penetrate into the inner wall of the tooth groove of the rack to restrict the contact of the transmission gear teeth.

[0010] In one embodiment, to improve driving efficiency, the driving assembly includes a first driven wheel, a second driven wheel, a main spindle motor, a positioning shaft, a first transmission belt, and a second transmission belt connected to the bottom end of the drive shaft. The positioning shaft is vertically connected to the center of the second driven wheel. The first driven wheel is connected to the lower part of the second driven wheel via the first transmission belt. The output end of the main spindle motor faces upward and is provided with a driving wheel, which is connected to the upper part of the second driven wheel via the second transmission belt.

[0011] In one embodiment, in order to prevent the transmission meshing operation of the rack and the transmission gear from being affected, the inner wall of the rack tooth groove is provided with a through hole adapted to the limiting rod, and the end of the limiting rod is flush with the opening of the through hole.

[0012] In one embodiment, for sealing and ease of maintenance, the drive slot opening is detachably connected to a maintenance cover.

[0013] In one embodiment, in order to deform under pressure, the end face of the elastic pad away from the compression block is pressed against the inner wall of the drive groove on the side facing the transmission ring.

[0014] In one embodiment, the rack is an arc-shaped rack or a straight rack.

[0015] The advantages or beneficial effects of the above technical solutions include at least the following:

[0016] This utility model discloses a compact circular knitting machine transmission device. A flexible limiting component is installed on the knitting disc to realize the reciprocating rotation of the knitting disc of the circular knitting machine. This component provides a direct and flexible constraint on the transmission gears in the transmission structure. Compared with the external limiting push rod in the prior art, this effectively prevents the meshing of the transmission gears and rack from being affected by lateral forces. Attached Figure Description

[0017] The accompanying drawings illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the principles of the present invention. These drawings are included to provide a further understanding of the present invention and are incorporated in and constitute a part of this specification.

[0018] Figure 1 This is a schematic diagram of the structure of a compact large circular machine transmission device according to the present invention;

[0019] Figure 2 This is a partial upward view of the knitting die structure.

[0020] Figure 3 for Figure 2 A schematic diagram of the cross-sectional structure viewed from below;

[0021] Figure 4 This is a schematic diagram of the elastic pad structure; Detailed Implementation

[0022] Embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. While some embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the present invention. It should be understood that the accompanying drawings and embodiments of the present invention are for illustrative purposes only and are not intended to limit the scope of protection of the present invention.

[0023] It should be noted that, where there is no conflict, the embodiments and features described in these embodiments can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0024] It should be understood that the term "comprising" and its variations as used herein are open-ended, meaning "including but not limited to". The term "based on" means "at least partially based on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". Definitions of other terms will be given in the following description. It should be noted that the concepts of "first", "second", etc., mentioned in this utility model are only used to distinguish different devices, modules, or units, and are not used to limit the order of functions performed by these devices, modules, or units or their interdependencies.

[0025] It should be noted that the terms "a" and "several" used in this utility model are illustrative rather than restrictive. Those skilled in the art should understand that, unless otherwise expressly indicated in the context, they should be understood as "one or more".

[0026] The names of the messages or information exchanged between the multiple devices in this embodiment of the invention are for illustrative purposes only and are not intended to limit the scope of these messages or information.

[0027] Reference Figures 1-4 A compact circular knitting machine transmission device includes a knitting disc 1, a transmission ring 2, a transmission gear 3, and a drive assembly 4. The transmission ring 2 is located on the outer ring of the knitting disc 1, and a rack 21 is provided on the outer ring of the transmission ring 2. The transmission gear 3 meshes with the rack 21, and a transmission shaft 31 is vertically provided at the center of the transmission gear 3. The drive assembly 4 is connected to the bottom of the transmission shaft 31 to drive the transmission gear 3 to rotate unidirectionally or reciprocally through the transmission shaft 31.

[0028] The knitting disc 1 has a flexible limiting component 11 at the bottom edge of its edge, which provides positive flexible limiting for the transmission gear 3 via the rack 21.

[0029] In the above technical solution, a flexible limiting component 11 is provided on the knitting disc 1 on the transmission device that realizes the reciprocating rotation of the circular knitting machine disc, so as to directly and flexibly limit the transmission gear 3 on the transmission structure. Compared with the external limiting push rod in the prior art, it effectively prevents the meshing of the transmission gear 3 and the rack 21 from being affected by lateral forces.

[0030] When the drive assembly 4 stops operating, the control console on the large circular knitting machine controls the micro motor 113 to operate. The micro motor 113 drives the screw 116 to rotate. The screw 116 drives the threaded extrusion block 112 to move axially toward the transmission ring 2. During the movement, it extrudes the elastic pad 114. The elastic pad 114 is compressed and drives the limiting rod 117 to extend into the tooth groove of the rack 21 to contact the tooth block of the transmission gear 3 and complete the limiting work.

[0031] In one embodiment, for flexible contact restriction, the flexible restriction component 11 includes a drive groove 111 located on the bottom surface of the knitting disc 1, an extrusion block 112, a micro motor 113, and an elastic pad 114. The extrusion block 112 is slidably disposed in the drive groove 111. The micro motor 113 is horizontally disposed on the inner wall of the drive groove 111 away from the transmission ring 2. The elastic pad 114 is disposed on the end face of the extrusion block 112 facing the transmission ring 2. An internal threaded hole 115 is provided at the center of the other end face of the extrusion block 112. The output end of the micro motor 113 is provided with a screw 116 threadedly connected to the internal threaded hole 115. A plurality of limiting rods 117 are provided on the end face of the elastic pad 114 away from the extrusion block 112. The ends of the limiting rods 117 extend and penetrate into the inner wall of the tooth groove of the rack 21 to restrict the contact of the tooth blocks of the transmission gear 3.

[0032] The extrusion block 112 is a fan-shaped structure made of metal, and the elastic pad 114 is an arc-shaped sheet structure made of rubber.

[0033] In one embodiment, to improve driving efficiency, the driving assembly 4 includes a first driven wheel 41, a second driven wheel 42, a main spindle motor 43, a positioning shaft 44, a first transmission belt 45, and a second transmission belt 46 connected to the bottom end of the transmission shaft 31. The positioning shaft 44 is vertically connected to the center of the second driven wheel 42. The first driven wheel 41 is connected to the lower part of the second driven wheel 42 via the first transmission belt 45. The output end of the main spindle motor 43 faces upward and is provided with a driving wheel, which is connected to the upper part of the second driven wheel 42 via the second transmission belt 46.

[0034] The bottom end of the positioning shaft 44 is rotatably connected to the frame of the large circular knitting machine for support and positioning.

[0035] In one embodiment, in order to prevent the transmission meshing operation of the rack 21 and the transmission gear 3 from being affected, the inner wall of the tooth groove of the rack 21 is provided with a through hole that matches the limiting rod 117, and the end of the limiting rod 117 is flush with the opening of the through hole.

[0036] In one embodiment, for the purpose of sealing and easy maintenance, the opening of the drive slot 111 is detachably connected to a maintenance cover.

[0037] In one embodiment, in order to deform under pressure, the end face of the elastic pad 114 away from the compression block 112 is in close contact with the inner wall of the drive groove 111 on the side facing the transmission ring 2.

[0038] In one embodiment, the rack 21 is an arc-shaped rack.

[0039] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0040] Those skilled in the art should understand that the above embodiments are merely for clearly illustrating the present invention and are not intended to limit the scope of the present invention. Those skilled in the art can make other changes or modifications based on the above disclosure, and these changes or modifications still fall within the scope of the present invention.

Claims

1. A compact transmission device for a large circular knitting machine, characterized in that: Its structure includes a knitting disc (1); A transmission ring (2) is provided on the outer ring of the knitting disc (1), and the outer ring of the transmission ring (2) is provided with a rack (21); The transmission gear (3) meshes with the rack (21), and the transmission gear (3) has a transmission shaft (31) vertically positioned at its center; The drive assembly (4) is connected to the bottom of the drive shaft (31) to drive the transmission gear (3) to rotate unidirectionally or reciprocally through the drive shaft (31); The knitting disc (1) has a flexible limiting component (11) at the bottom edge to provide positive flexible limiting of the transmission gear (3) via a rack (21).

2. The compact large circular knitting machine transmission device according to claim 1, characterized in that: The flexible limiting component (11) includes a drive groove (111), an extrusion block (112), a micro motor (113), and an elastic pad (114) located on the bottom surface of the knitting disc (1). The extrusion block (112) is slidably disposed in the drive groove (111). The micro motor (113) is horizontally disposed on the inner wall of the drive groove (111) away from the transmission ring (2). The elastic pad (114) is disposed on the end face of the extrusion block (112) facing the transmission ring (2). The center of the other end face of the extrusion block (112) is provided with an internal threaded hole (115). The output end of the micro motor (113) is provided with a screw (116) threadedly connected to the internal threaded hole (115). The end face of the elastic pad (114) away from the extrusion block (112) is provided with several limiting rods (117). The end of the limiting rod (117) extends and penetrates into the inner wall of the tooth groove of the rack (21) to limit the contact of the tooth block of the transmission gear (3).

3. The compact large circular knitting machine transmission device according to claim 1, characterized in that: The drive assembly (4) includes a first driven wheel (41), a second driven wheel (42), a main shaft motor (43), a positioning shaft (44), a first transmission belt (45), and a second transmission belt (46) connected to the bottom end of the transmission shaft (31). The positioning shaft (44) is vertically connected to the center of the second driven wheel (42). The first driven wheel (41) is connected to the lower part of the second driven wheel (42) through the first transmission belt (45). The output end of the main shaft motor (43) faces upward and is provided with a driving wheel. The driving wheel is connected to the upper part of the second driven wheel (42) through the second transmission belt (46).

4. The compact large circular knitting machine transmission device according to claim 2, characterized in that: The inner wall of the tooth groove of the rack (21) is provided with a through hole that is adapted to the limiting rod (117), and the end of the limiting rod (117) is flush with the opening of the through hole.

5. A compact large circular knitting machine transmission device according to claim 2, characterized in that: The opening of the drive slot (111) is detachably connected to a maintenance cover.

6. A compact large circular knitting machine transmission device according to claim 2, characterized in that: The end face of the elastic pad (114) away from the extrusion block (112) is in close contact with the inner wall of the drive groove (111) facing the transmission ring (2).

7. A compact large circular knitting machine transmission device according to claim 4, characterized in that: The rack (21) is an arc-shaped rack or a straight rack.

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