Circular knitting machine convenient for needle replacement

Abstract

The utility model discloses a circular knitting machine convenient for needle replacement, which relates to the technical field of circular knitting machines and comprises a support and a fixing column. The three supports are connected with the bottom face of the fixing disc respectively, the protective covers are installed in the supports, the weft knitting machine body is fixed to the top face of the fixing disc, the needle cylinder is installed in the weft knitting machine body, the two fixing columns are fixed to the two sides of the top face of the fixing disc respectively, and the sliding rods are installed on the outer side faces of the fixing columns in a sliding mode. The top end of the sliding rod is connected with one side of the bottom face of a supporting frame, a bobbin frame is installed on the outer side of the top face of the supporting frame, and a disassembly and assembly unit is arranged in the supporting frame. According to the circular knitting machine convenient for needle replacement, the bracket is driven by the main motor to be clamped at the bottom of the needle cylinder, the needle cylinder is prevented from falling off in cooperation with the pressing plate which is pressed downwards, the screw rod is electrically driven to rotate so that the needle cylinder can be driven to ascend, in this way, follow-up personnel can conveniently carry out needle replacement treatment, and follow-up maintenance is also facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of circular knitting machines, in particular to a circular knitting machine with convenient needle replacement. Background Art

[0002] Circular knitting machine, scientifically known as circular weft knitting machine (or circular weft knitting machine); due to the large loop forming system (called yarn feeding path or loop forming path in enterprises, referred to as path) of the large circular knitting machine, high speed, high output, fast pattern change, good fabric quality, few processes and strong product adaptability, it has developed rapidly. At present, many textile enterprises have adopted large circular knitting machines for production operations; large circular knitting machines are currently widely used, but the current large circular knitting machines are more cumbersome when replacing the needle cylinder, which affects the efficiency of replacing the needle cylinder and affects the operating efficiency of the large circular knitting machine. When replacing the needle cylinder, complicated disassembly and installation are required. At present, disassembly is mostly carried out by hoisting, which requires the use of external devices during disassembly. At the same time, the problem of falling off is also prone to occur during the hoisting process. For this reason, we propose a large circular knitting machine that is convenient for needle replacement. Utility Model Content

[0003] The technical problem to be solved by the present invention is to overcome the existing defects and provide a large circular knitting machine that is convenient for needle changing. The main motor is used to drive the bracket to be clamped at the bottom of the needle cylinder, and the downward pressing plate is used to prevent the needle cylinder from falling off. The electric drive screw can drive the needle cylinder to rise when it rotates, which is convenient for subsequent personnel to change needles and also convenient for subsequent maintenance, and can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned object, the present utility model provides the following technical solutions: a circular knitting machine with convenient needle changing, comprising a bracket and a fixing column;

[0005] There are three brackets, each connected to the bottom surface of the fixed disk. A protective cover is installed inside the bracket. A weft knitting machine body is fixed to the top surface of the fixed disk. A needle cylinder is installed inside the weft knitting machine body. There are two fixed columns, each fixed on both sides of the top surface of the fixed disk. A sliding rod is slidably installed on the outer side of the fixed column. The top of the sliding rod is connected to one side of the bottom surface of the support frame. A bobbin rack is installed on the outer side of the top surface of the support frame. A disassembly unit is provided inside the support frame.

[0006] Wherein, it also includes a controller, which is arranged on the outer side of the bracket, the input end of the weft knitting machine body is electrically connected to the output end of the controller, and the input end of the controller is electrically connected to the output end of an external power supply.

[0007] The bobbin rack is convenient for placing the yarn required for knitting. The yarn passes through the needle cylinder and cooperates with the weft knitting machine to weave the yarn.

[0008] Furthermore, the disassembly and assembly unit includes a fixing bolt, a fixing frame, a main motor, a connecting frame, a bidirectional screw and a bracket, the end of the fixing frame is plugged into the interior of the support frame, the fixing bolt passes through the through hole on the top surface of the support frame and is threadedly connected to the screw hole on the top surface of the fixing frame, the top surface of the fixing frame is provided with a connecting frame, the front side surface of the connecting frame is fixed with the main motor, the output shaft of the main motor is connected to the front end of the bidirectional screw, the threads at both ends of the bidirectional screw are opposite, the bracket has two and the middle screw holes are respectively connected to the outer side threads of the bidirectional screw, the input end of the main motor is electrically connected to the output end of the controller, the fixing frame is stuck in the interior of the support frame and is fixed with a fixing bolt, the main motor drives the bidirectional screw to rotate to adjust the position of the two brackets so that it is stuck on both sides of the bottom surface of the syringe, which makes it convenient to lift the syringe, thereby facilitating personnel to replace the needle inside the syringe.

[0009] Furthermore, the disassembly and assembly unit also includes a pressure plate, an adjustment block, a placement slot and an electric telescopic rod. The placement slot is opened inside the bracket, and an electric telescopic rod is fixed inside the placement slot. The top of the electric telescopic rod is installed with an adjustment block, and the adjustment block is slidably connected to the placement slot. The outer side of the adjustment block is fixed with a pressure plate, and the input end of the electric telescopic rod is electrically connected to the output end of the controller. Starting the electric telescopic rod drives the adjustment block to slide inside the placement slot, thereby pressing the pressure plate tightly against the top surface of the syringe, so that the syringe is not prone to loosening or falling off when disassembling.

[0010] Furthermore, the disassembly and assembly unit also includes a motor and a screw. The motor is fixed on one side of the top surface of the support frame, the output shaft of the motor is connected to the top of the screw, and the screw is threadedly connected to the screw hole in the middle of the fixed column. Starting the motor to drive the screw to rotate can drive the syringe to rise and fall, which is convenient for personnel to change needles and perform maintenance.

[0011] Furthermore, the disassembly and assembly unit also includes a sponge pad, an anti-slip pad and a bracket. The sponge pad is bonded to the bottom surface of the pressure plate. The bottom surface of the anti-slip pad is fixed with a bracket. The bracket is correspondingly engaged with the slot on the bottom surface of the bracket. The provided sponge pad can solve the problem of wear on the syringe when the pressure plate is pressed down, and the bracket is correspondingly engaged with the slot to install the anti-slip pad, which can increase the stability of the syringe placement.

[0012] Furthermore, it also includes a lighting lamp, which is fixedly installed on the inner side of the fixed column. The input end of the lighting lamp is electrically connected to the output end of the controller. The lighting lamp is provided to provide lighting when personnel are changing needles, thereby preventing dim light from affecting the needle changing operation.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: the circular knitting machine with convenient needle change has the following advantages:

[0014] 1. The fixing bracket is inserted into the support frame and fixed with fixing bolts. The main motor drives the bidirectional screw to rotate to adjust the position of the two brackets so that they are stuck on both sides of the bottom surface of the syringe. Starting the motor to drive the screw to rotate can drive the syringe to rise and fall, which is convenient for personnel to replace and repair the needle inside the syringe.

[0015] 2. By starting the electric telescopic rod, the adjusting block is driven to slide inside the placement slot, thereby pressing the pressing plate tightly against the top surface of the syringe, so that the syringe is not prone to loosening or falling off when disassembling.

[0016] 3. The sponge pad can solve the problem of wear of the syringe when the pressure plate is pressed down, and the anti-slip pad can be installed by correspondingly connecting the bracket and the slot to increase the stability of the syringe placement. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the disassembly and assembly unit structure of the utility model;

[0019] Figure 3 This is a structural diagram of the fixing frame of the utility model.

[0020] In the figure: 1 bracket, 2 disassembly and assembly unit, 21 fixing bolt, 22 fixing frame, 23 main motor, 24 connecting frame, 25 bidirectional screw, 26 bracket, 27 pressure plate, 28 adjustment block, 29 placement slot, 210 electric telescopic rod, 211 motor, 212 screw, 213 sponge pad, 214 anti-slip pad, 215 clamping frame, 3 fixing plate, 4 weft knitting machine body, 5 needle cylinder, 6 fixing column, 7 support frame, 8 slide rod, 9 bobbin rack, 10 protective cover, 11 lighting lamp, 12 controller. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-3 , this embodiment provides a technical solution: a circular knitting machine with convenient needle replacement, comprising a bracket 1 and a fixing column 6;

[0023] Bracket 1: There are three and they are respectively connected to the bottom surface of the fixed disk 3, a protective cover 10 is installed inside the bracket 1, a weft knitting machine body 4 is fixed on the top surface of the fixed disk 3, a needle cylinder 5 is installed inside the weft knitting machine body 4, there are two fixed columns 6 and they are respectively fixed on both sides of the top surface of the fixed disk 3, a slide rod 8 is slidably installed on the outer side of the fixed column 6, the top of the slide rod 8 is connected to one side of the bottom surface of the support frame 7, a bobbin rack 9 is installed on the outer side of the top surface of the support frame 7, a disassembly unit 2 is provided inside the support frame 7, the disassembly unit 2 includes a fixing bolt 21, a fixing frame 22, a main motor 23, a connecting frame 24, a bidirectional screw 25 and a bracket 26, the end of the fixing frame 22 is correspondingly plugged into the inside of the support frame 7, and the fixing bolt 21 passes through the through hole on the top surface of the support frame 7 and is fixed The screw holes on the top surface of the fixed frame 22 are threadedly connected, and a connecting frame 24 is provided on the top surface of the fixed frame 22. The main motor 23 is fixed to the front side of the connecting frame 24. The output shaft of the main motor 23 is connected to the front end of the bidirectional screw 25. The threads at both ends of the bidirectional screw 25 are opposite. The bracket 26 has two screw holes in the middle and is respectively threadedly connected to the outer sides of the bidirectional screw 25. The input end of the main motor 23 is electrically connected to the output end of the controller 12. The fixed frame 22 is stuck into the inside of the support frame 7 and is fixed with a fixing bolt 21. The main motor 23 drives the bidirectional screw 25 to rotate to adjust the position of the two brackets 26 so that it is stuck on both sides of the bottom surface of the syringe 5. This makes it convenient to lift the syringe 5, thereby facilitating personnel to replace the needle inside the syringe 5 and disassembly and assembly unit 2 The assembling unit 2 also includes a pressing plate 27, an adjusting block 28, a placement slot 29 and an electric telescopic rod 210. The placement slot 29 is opened inside the bracket 26. The electric telescopic rod 210 is fixed inside the placement slot 29. The top of the electric telescopic rod 210 is installed with an adjusting block 28. The adjusting block 28 is slidably connected to the placement slot 29. The outer side of the adjusting block 28 is fixed with a pressing plate 27. The input end of the electric telescopic rod 210 is electrically connected to the output end of the controller 12. The electric telescopic rod 210 is started to drive the adjusting block 28 to slide inside the placement slot 29, thereby pressing the pressing plate 27 tightly against the top surface of the syringe 5. In this way, it is not easy to loosen or fall off when the syringe 5 is disassembled. The disassembling unit 2 also includes a motor 211 and a screw 212. The motor 211 is fixed to the support On one side of the top surface of the frame 7, the output shaft of the motor 211 is connected to the top of the screw 212, and the screw 212 is threadedly connected to the screw hole in the middle of the fixed column 6. Starting the motor 211 drives the screw 212 to rotate, which can drive the syringe 5 to move up and down, thereby facilitating the personnel to change needles and perform maintenance. The disassembly and assembly unit 2 also includes a sponge pad 213, an anti-slip pad 214 and a bracket 215. The sponge pad 213 is bonded to the bottom surface of the pressure plate 27, and the bottom surface of the anti-slip pad 214 is fixed with a bracket 215. The bracket 215 is correspondingly connected to the slot on the bottom surface of the bracket 26. The sponge pad 213 can solve the problem of wear of the syringe 5 when the pressure plate 27 is pressed down, and the bracket 215 is correspondingly connected to the slot to install the anti-slip pad 214, which can increase the stability of the syringe 5.

[0024] Among them, it also includes a controller 12, which is arranged on the outer side of the bracket 1, the input end of the weft knitting body 4 is electrically connected to the output end of the controller 12, the input end of the controller 12 is electrically connected to the output end of the external power supply, the bobbin rack 9 is convenient for placing the yarn required for knitting, the yarn passes through the needle cylinder 5 and cooperates with the weft knitting body 4 to weave the yarn, and also includes a lighting lamp 11, the lighting lamp 11 is fixedly installed on the inner side of the fixed column 6, the input end of the lighting lamp 11 is electrically connected to the output end of the controller 12, and the lighting lamp 11 is provided to provide lighting when personnel change needles, thereby preventing dim light from affecting the needle change operation.

[0025] The working principle of a circular knitting machine with convenient needle change provided by the present invention is as follows: first, the bobbin rack 9 is convenient for placing the yarn required for knitting, the yarn passes through the needle cylinder 5 and cooperates with the weft knitting machine body 4 to weave the yarn, when it is necessary to change the needle, the fixing frame 22 is clamped into the inside of the support frame 7 and fixed with the fixing bolt 21, the main motor 23 drives the bidirectional screw 25 to rotate to adjust the position of the two brackets 26 so that it is clamped on both sides of the bottom surface of the needle cylinder 5, and the electric telescopic rod 210 is started to drive the adjustment block 28 to slide inside the placement slot 29, thereby pressing the pressure plate 2 7 is pressed tightly against the top surface of the syringe 5, so that the syringe 5 is not prone to loosening and falling off when it is disassembled. The provided sponge pad 213 can solve the wear of the syringe 5 when the pressure plate 27 is pressed down, and the bracket 215 is connected to the corresponding card slot to install the anti-slip pad 214, which can increase the stability of the syringe 5. Finally, starting the motor 211 to drive the screw 212 to rotate can drive the syringe 5 to rise and fall, which is beneficial for personnel to change needles and perform maintenance. The provided lighting lamp 11 is convenient for providing lighting when personnel are changing needles, thereby preventing dark light from affecting the needle changing operation.

[0026] It is worth noting that the controller 12 disclosed in the above embodiment uses the model S7-200. The main motor 23 and motor 211 can be freely configured according to the actual application scenario. It is recommended to use the servo motor model 80M-03230C10-C, and the electric telescopic rod 210 can use the electric telescopic rod model YHT523. The controller 12 controls the main motor 23, motor 211, electric telescopic rod 210, weft knitting machine body 4, and lighting lamp 11 using methods commonly used in the prior art.

[0027] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A circular knitting machine with convenient needle changing, characterized by: It comprises a bracket (1) and a fixing column (6); The bracket (1) has three brackets and is respectively connected to the bottom surface of the fixed disk (3); a protective cover (10) is installed inside the bracket (1); a weft knitting machine body (4) is fixed on the top surface of the fixed disk (3); a needle cylinder (5) is installed inside the weft knitting machine body (4); there are two fixed columns (6) and they are respectively fixed on both sides of the top surface of the fixed disk (3); a sliding rod (8) is slidably installed on the outer side surface of the fixed column (6); the top end of the sliding rod (8) is connected to one side of the bottom surface of the support frame (7); a thread drum rack (9) is installed on the outer side of the top surface of the support frame (7); and a disassembly unit (2) is provided inside the support frame (7); The machine further comprises a controller (12), the controller (12) being arranged on the outer side of the bracket (1), the input end of the weft knitting machine body (4) being electrically connected to the output end of the controller (12), and the input end of the controller (12) being electrically connected to the output end of an external power supply.

2. The circular knitting machine with convenient needle exchange according to claim 1, characterized in that: The disassembly and assembly unit (2) comprises a fixing bolt (21), a fixing frame (22), a main motor (23), a connecting frame (24), a bidirectional lead screw (25) and a bracket (26). The end of the fixing frame (22) is correspondingly plugged into the interior of the support frame (7). The fixing bolt (21) passes through the through hole on the top surface of the support frame (7) and is threadedly connected to the screw hole on the top surface of the fixing frame (22). The top surface of the fixing frame (22) is provided with a connecting frame (24). The front side surface of the connecting frame (24) is fixed with the main motor (23). The output shaft of the main motor (23) is connected to the front side end of the bidirectional lead screw (25). The threads at both ends of the bidirectional lead screw (25) are opposite. The bracket (26) has two screw holes and the middle part thereof is respectively threadedly connected to the outer sides of the bidirectional lead screw (25). The input end of the main motor (23) is electrically connected to the output end of the controller (12).

3. The circular knitting machine with convenient needle exchange according to claim 2, characterized in that: The disassembly and assembly unit (2) further comprises a pressing plate (27), an adjusting block (28), a placement slot (29) and an electric telescopic rod (210); the placement slot (29) is provided inside the bracket (26); the electric telescopic rod (210) is fixed inside the placement slot (29); the top end of the electric telescopic rod (210) is provided with an adjusting block (28); the adjusting block (28) is slidably connected to the placement slot (29); the outer side surface of the adjusting block (28) is fixed with a pressing plate (27); the input end of the electric telescopic rod (210) is electrically connected to the output end of the controller (12).

4. The circular knitting machine with convenient needle exchange according to claim 1, characterized in that: The disassembly and assembly unit (2) further comprises a motor (211) and a screw (212); the motor (211) is fixed to one side of the top surface of the support frame (7); the output shaft of the motor (211) is connected to the top end of the screw (212); and the screw (212) is threadedly connected to a screw hole in the middle of the fixing column (6).

5. The circular knitting machine with convenient needle exchange according to claim 2, characterized in that: The disassembly and assembly unit (2) further comprises a sponge pad (213), an anti-skid pad (214) and a card frame (215); the sponge pad (213) is bonded to the bottom surface of the pressure plate (27); the card frame (215) is fixed to the bottom surface of the anti-skid pad (214); and the card frame (215) is correspondingly card-engaged with a card slot on the bottom surface of the bracket (26).

6. The circular knitting machine with convenient needle exchange according to claim 1, characterized in that: It also includes a lighting lamp (11), which is fixedly mounted on the inner side of the fixing column (6), and the input end of the lighting lamp (11) is electrically connected to the output end of the controller (12).

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