Needle cylinder lifting transmission structure of circular knitting machine

Abstract

The utility model discloses a circular knitting machine needle cylinder lifting transmission structure which comprises a needle cylinder body and an installation ring, the installation ring is arranged on the outer side of the top of the needle cylinder body in a penetrating mode, telescopic rods are symmetrically installed on the front side and the rear side of the bottom of the installation ring, and the structures of the two telescopic rods are the same. And the bottoms of the two telescopic rods are connected with a bottom plate. According to the needle cylinder lifting transmission structure of the circular knitting machine, the flapping block is arranged, the first pull rope is connected to the right side of the bottom of the mounting ring, and then the output end of the flapping block is connected to the bottom end of the first pull rope in a winding mode, so that the first pull rope can be driven to pull the flapping block to rotate on the front side of the positioning rod while the mounting ring ascends; due to the fact that the outer side of the flapping block corresponds to the outer side wall of the needle cylinder body, the outer side wall of the needle cylinder body can be flapped and vibrated while the flapping block rotates, the situation that cotton fibers adhere to the inner wall of the needle cylinder body and consequently later textile processing is affected is avoided, and practicability is better.

Description

Technical Field

[0001] The utility model relates to the technical field of circular knitting machine related equipment, in particular to a circular knitting machine needle cylinder lifting transmission structure. Background Art

[0002] The needle cylinder of a large circular knitting machine is a hollow cylindrical structure with many needle holes on its surface for installing needles. During the knitting process, the needle cylinder of the large circular knitting machine rotates and rises, cooperating with the needles and cams and other components to weave the yarn into a cylindrical knitted fabric.

[0003] The traditional large circular knitting machine needle cylinder is basically driven by gear meshing during the reciprocating lifting and lowering movement. However, the gear meshing lifting method is prone to gear stripping during lifting, which reduces the lifting stability of the needle cylinder and is inconvenient for the needle cylinder to cooperate with the large circular knitting machine for textile work in the later stage.

[0004] In order to overcome the above-mentioned defects, prior art 1 (application number CN201821796252.X, Chinese patent application date 2018-11-02) is a circular knitting machine needle cylinder lifting transmission mechanism, which controls the rotation of the special-shaped gear and relies on the change of the rotation trajectory of the special-shaped gear to lift the needle cylinder. This operation consumes less energy, the motor itself does not consume much energy, and has a longer service life than the hydraulic cylinder.

[0005] Although the existing technology can achieve stable reciprocating lifting and lowering movement of the needle cylinder, there is no vibration mechanism on the outside of the needle cylinder to vibrate and clean the textile cotton sticking to the inner wall of the needle cylinder during the reciprocating lifting and lowering movement of the needle cylinder. As a result, the cotton sticking to the inner wall of the needle cylinder is easy to adhere to the inner wall of the needle cylinder. If it is not cleaned for a long time, the needle cylinder will be blocked, which reduces the practicality of the needle cylinder.

[0006] Therefore, we proposed that the large circular knitting machine needle cylinder lifting transmission structure can well solve the above problems. Utility Model Content

[0007] The purpose of the utility model is to provide a large circular knitting machine needle cylinder lifting transmission structure to solve the problem in the current market proposed by the above-mentioned background technology that when the needle cylinder moves back and forth, there is no vibration mechanism on the outside of the needle cylinder to vibrate and clean the textile cotton wool stuck to the inner wall of the needle cylinder, which will cause the cotton wool to easily adhere to the inner wall of the needle cylinder. If it is not cleaned for a long time, the needle cylinder will be blocked.

[0008] To achieve the above object, the present utility model provides the following technical solution: A lifting drive structure for a large circular knitting machine cylinder, including a cylinder body and a mounting ring, wherein the mounting ring is disposed through the outer side of the top of the cylinder body. A circle of needle holes is equally angledly opened at the top of the cylinder body. A mounting rod is slotted and positioned and installed inside the bottom of the cylinder body, and a pull rod is slotted and installed through the top of the mounting rod.

[0009] It further includes: Telescopic rods are symmetrically installed on the front and rear sides of the bottom of the mounting ring, and the two telescopic rods have the same structure, and the bottoms of the two telescopic rods are connected to a bottom plate.

[0010] A servo motor is installed by screws on the left side of the bottom plate, and the output end of the servo motor is connected to a threaded rod, and the outer side of the top of the threaded rod is threadedly connected through the mounting ring.

[0011] Preferably, a positioning rod is positioned and installed on the right side of the bottom plate, and the outer side of the top of the positioning rod is slidably connected through the mounting ring.

[0012] Preferably, a torsion spring is slotted on the front side of the bottom of the positioning rod, and the inner side of the torsion spring is wound and connected to the output end of a flapper. At the same time, the flapper is rotatably installed on the front side of the bottom of the positioning rod, and the outer side of the flapper corresponds to the outer wall of the cylinder body.

[0013] Preferably, a first pull rope is wound and connected to the outer side of the output end of the flapper, and the outer end of the first pull rope is connected to the right side of the bottom of the mounting ring through a guide wheel.

[0014] Preferably, positioning blocks are slidably installed through slots on both sides of the bottom of the mounting rod, and the outer ends of the two positioning blocks penetrate and extend to the outside of the mounting rod, and the outer ends of the two positioning blocks penetrate and extend to both sides inside the cylinder body.

[0015] Preferably, compression springs are slotted at both ends of the bottom of the mounting rod, and the two compression springs have the same structure, and the outer ends of the two compression springs are connected to the positioning blocks.

[0016] Preferably, a second pull rope is connected to the bottom of the pull rod, and the bottom end of the second pull rope is connected to the two positioning blocks through a guide wheel.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0018] (1) A threaded rod is provided. By using telescopic rods to positionally connect the front and rear ends of the bottom of the mounting ring to the bottom plates, the syringe body installed inside the mounting ring can be supported by the two telescopic rods. When the syringe body needs to be lifted or moved, only need to start the servo motor to drive the mounting ring threaded through the outer side of the threaded rod to move up and down in position, thus driving the syringe body to move up and down in position. Since the positioning rod is slidably connected through the slot on the right side of the mounting ring, the lifting and moving mounting ring can be slidably limited by the positioning rod, avoiding the phenomenon of dislocation and deviation during the later lifting and moving of the mounting ring, and improving the lifting stability of the syringe body;

[0019] (2) A flapping block is provided. By connecting a first pulling rope to the right side of the bottom of the mounting ring, and then winding and connecting the output end of the flapping block to the bottom end of the first pulling rope, the first pulling rope can be driven to simultaneously pull the flapping block to rotate on the front side of the positioning rod while the mounting ring moves upward. Since the outer side of the flapping block corresponds to the outer wall of the syringe body, the outer wall of the syringe body can be flapped and vibrated while the flapping block rotates, avoiding cotton wool adhering to the inner wall of the syringe body and affecting the later textile processing, with better practicability;

[0020] (3) Further, by winding and connecting a torsion spring to the output end of the flapping block, and then connecting the torsion spring to the inner wall of the positioning rod, the elastic force of the torsion spring itself can be used to elastically reset the position of the positioning rod after rotation for later recycling;

[0021] (4) A positioning block is provided. By slotting both ends of the bottom of the mounting rod and slidably installing the positioning block through the compression spring, the two positioning blocks can be automatically ejected to the inner side of the bottom of the syringe body by the elastic force of the two compression springs themselves, so as to position and install the mounting rod, avoiding the phenomenon of loosening and falling off during the later use of the mounting rod in cooperation with the syringe body;

[0022] (5) Further, by slotting through and slidably installing a pull rod at the top of the mounting rod, connecting a second pulling rope to the bottom of the pull rod, and connecting the bottom end of the second pulling rope to the two positioning blocks through a guide wheel, the two positioning blocks can be simultaneously contracted and moved by driving the second pulling rope through the guide wheel while pulling the pull rod. At this time, the syringe body can be separated from the mounting rod, thus facilitating the quick disassembly, installation and replacement of the mounting rod, and the operation is more time-saving and labor-saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0024] Figure 2 is a side three-dimensional structural schematic diagram of the present utility model;

[0025] Figure 3Schematic side view three-dimensional structure diagram of the flapping block and the first pulling rope of the present utility model;

[0026] Figure 4 Schematic top view three-dimensional structure diagram of the syringe body and the bottom plate of the present utility model;

[0027] Figure 5 Schematic front view structure diagram of the syringe body and the bottom plate of the present utility model;

[0028] Figure 6 Schematic partial top cross-sectional structure diagram of the syringe body and the mounting rod of the present utility model;

[0029] Figure 7 Schematic partial three-dimensional structure diagram of the mounting rod and the positioning block of the present utility model.

[0030] In the figure: 1. Syringe body; 2. Mounting ring; 3. Needle hole; 4. Mounting rod; 5. Pull rod; 6. Bottom plate; 7. Servo motor; 8. Threaded rod; 9. Telescopic rod; 10. Positioning rod; 11. Flapping block; 12. First pulling rope; 13. Torsion spring; 14. Positioning block; 15. Compression spring; 16. Second pulling rope. Specific implementation manners

[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0032] The present utility model provides the following technical solutions:

[0033] In the first embodiment, to solve the problem that there is no vibration mechanism provided on the outer side of the existing syringe body 1 to vibrate and clean the textile cotton wool adhered to the inner wall of the syringe body 1, which may cause the cotton wool to easily adhere to the inner wall of the syringe body 1, and long-term non-cleaning may cause the syringe body 1 to be blocked, the following is disclosed:

[0034] The syringe body 1 and the mounting ring 2, wherein the mounting ring 2 is disposed through the outer side of the top of the syringe body 1. A circle of needle holes 3 are equally angled and opened at the top of the syringe body 1. The mounting rod 4 is slotted and positioned and installed on the inner side of the bottom of the syringe body 1, and the pull rod 5 is slotted and penetrated through the top of the mounting rod 4;

[0035] It further includes: The front and rear sides of the bottom of the mounting ring 2 are symmetrically installed with telescopic rods 9, and the structures of the two telescopic rods 9 are the same, and the bottoms of the two telescopic rods 9 are connected to the bottom plate 6;

[0036] A servo motor 7 is installed on the left side of the base plate 6 with screws, and the output end of the servo motor 7 is connected to a threaded rod 8. The outer side of the top of the threaded rod 8 is threadedly penetrated and connected to a mounting ring 2.

[0037] A positioning rod 10 is installed on the right side of the base plate 6 for positioning. The outer side of the top of the positioning rod 10 is penetrated and slidably connected to the mounting ring 2. A torsion spring 13 is arranged in a groove on the front side of the bottom of the positioning rod 10. The inner side of the torsion spring 13 is wound and connected to the output end of a flapping block 11. At the same time, the flapping block 11 is rotatably installed on the front side of the bottom of the positioning rod 10. At the same time, the outer side of the flapping block 11 corresponds to the outer wall of the syringe body 1.

[0038] The outer side of the output end of the flapping block 11 is wound and connected to a first pulling rope 12, and the outer end of the first pulling rope 12 is connected to the right side of the bottom of the mounting ring 2 through a guide wheel.

[0039] As Figures 1 - 5 shown, when it is necessary to lift and move the syringe body 1 to assist the textile processing of the circular knitting machine, start the servo motor 7 to drive the mounting ring 2 threadedly penetrated and connected to the top of the threaded rod 8 to move up and down in position. At this time, the syringe body 1 installed inside the mounting ring 2 can be driven to move up and down in position. Because the right side of the mounting ring 2 is penetrated and slidably connected to the positioning rod 10, the positioning rod 10 can be used to slide and limit the mounting ring 2 moving up and down, avoiding the phenomenon of dislocation and offset of the mounting ring 2 during the up and down movement in the later stage, and improving the lifting stability of the syringe body 1;

[0040] While the syringe body 1 is moving up and down, the first pulling rope 12 connected to the right side of the bottom of the mounting ring 2 will simultaneously pull the flapping block 11 to rotate on the outer side of the positioning rod 10 through the guide wheel. Subsequently, the outer wall of the syringe body 1 can be reciprocally slapped and vibrated by the rotating flapping block 11, so as to vibrate and clean the cotton floc and impurities adhering to the inner wall of the syringe body 1, avoiding the cotton floc and impurities adhering to the inner wall of the syringe body 1 and affecting the later textile processing of the circular knitting machine, and having better practicability.

[0041] In the second embodiment, which is different from the first embodiment, the mounting rod 4 installed inside the syringe body 1 can be quickly disassembled and replaced, and the operation is more time-saving and labor-saving. It is disclosed that:

[0042] Positioning blocks 14 are installed on both sides of the bottom of the mounting rod 4 through grooves in a penetrating and sliding manner. The outer ends of both positioning blocks 14 penetrate and extend to the outside of the mounting rod 4, and the outer ends of both positioning blocks 14 penetrate and extend to both sides inside the syringe body 1. Both ends of the bottom of the mounting rod 4 are provided with grooves for extrusion springs 15. The two extrusion springs 15 have the same structure, and the outer ends of both extrusion springs 15 are connected to the positioning blocks 14.

[0043] The bottom of the pull rod 5 is connected with a second pull rope 16, and the bottom end of the second pull rope 16 is connected with two positioning blocks 14 through a guide wheel.

[0044] As Figures 1 - 7 shown, when it is necessary to quickly disassemble, assemble and replace the mounting rod 4, only need to manually pull the pull rod 5 to drive the second pull rope 16 to simultaneously pull the two positioning blocks 14 through the guide wheel to contract and move on both sides of the bottom of the mounting rod 4. At this time, the syringe body 1 can be separated from the mounting rod 4, so that the mounting rod 4 can be quickly disassembled, assembled and replaced, and the operation is more time-saving and labor-saving;

[0045] Then place the mounting rod 4 inside the bottom of the syringe body 1. At this time, the two compression springs 15 will automatically eject the two positioning blocks 14 to the inside of the bottom of the syringe body 1 through their own elastic force, so that the installed mounting rod 4 can be quickly positioned and fixed, avoiding the phenomenon of loosening and falling off of the mounting rod 4 during the textile processing in cooperation with the syringe body 1 in the later stage, and improving the use stability of the mounting rod 4.

[0046] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A lifting drive structure for a circular knitting machine cylinder, comprising a cylinder body (1) and a mounting ring (2), wherein the mounting ring (2) is disposed through the outer side of the top of the cylinder body (1). A circle of needle holes (3) is equiangularly opened at the top of the cylinder body (1). A mounting rod (4) is slotted and positioned and installed inside the bottom of the cylinder body (1), and a pull rod (5) is slotted and installed through the top of the mounting rod (4). It is characterized in that, It further includes: Two telescopic rods (9) are symmetrically installed on the front and rear sides of the bottom of the mounting ring (2), and the two telescopic rods (9) have the same structure. The bottoms of the two telescopic rods (9) are connected to a bottom plate (6). A servo motor (7) is installed on the left side of the bottom plate (6) by screws. The output end of the servo motor (7) is connected to a threaded rod (8), and the outer side of the top of the threaded rod (8) is threadedly connected through the mounting ring (2).

2. The lifting drive structure of the large circular knitting machine cylinder according to claim 1, wherein: A positioning rod (10) is positioned and installed on the right side of the bottom plate (6), and the outer side of the top of the positioning rod (10) is slidably connected through the mounting ring (2).

3. The large circular knitting machine needle cylinder lifting drive structure according to claim 2, characterized in that: A torsion spring (13) is slotted at the front side of the bottom of the positioning rod (10). The inner side of the torsion spring (13) is wound and connected to the output end of a flapping block (11). The flapping block (11) is rotatably installed at the front side of the bottom of the positioning rod (10). The outer side of the flapping block (11) corresponds to the outer wall of the cylinder body (1).

4. A lifting drive structure of a large circular knitting machine cylinder according to claim 3, characterized in that: The outer side of the output end of the flapping block (11) is wound and connected to a first pull rope (12), and the outer end of the first pull rope (12) is connected to the right side of the bottom of the mounting ring (2) through a guide pulley.

5. A lifting drive structure of a large circular knitting machine cylinder according to claim 1, characterized in that: Positioning blocks (14) are slidably installed through slots on both sides of the bottom of the mounting rod (4). The outer ends of the two positioning blocks (14) penetrate and extend to the outside of the mounting rod (4), and the outer ends of the two positioning blocks (14) penetrate and extend to both sides inside the cylinder body (1).

6. A lifting drive structure for a large circular knitting machine cylinder according to claim 5, characterized in that: Compression springs (15) are slotted at both ends of the bottom of the mounting rod (4). The two compression springs (15) have the same structure, and the outer ends of the two compression springs (15) are connected to the positioning blocks (14).

7. A lifting drive structure of a large circular knitting machine cylinder according to claim 6, characterized in that: The bottom of the pull rod (5) is connected to a second pull rope (16), and the bottom end of the second pull rope (16) is connected to the two positioning blocks (14) through a guide pulley.

Images