Yarn tensioning device of circular knitting machine

Abstract

The utility model discloses a yarn tensioning device of a circular knitting machine. The yarn tensioning device comprises an installation connecting rod assembly, an adjusting plate and an installation base. The two mounting seats are slidably connected to the adjusting plate, the mounting connecting rod assembly is fixedly mounted between the two mounting seats, and a quick-release limiting assembly for driving the two mounting seats to move towards each other or away from each other so as to complete mounting or dismounting of the mounting connecting rod assembly is connected between the two mounting seats; each mounting seat comprises a positioning part and an auxiliary supporting block, a positioning groove is formed in the positioning part, and one end of the connecting rod assembly is embedded, mounted and positioned in the positioning groove; the auxiliary supporting block is connected with the positioning part, is located at the notch of the positioning groove and extends in the groove depth direction of the positioning groove, and the auxiliary supporting block is used for providing support when one end of the connecting rod assembly retreats from the positioning groove; compared with the prior art, a worker does not need to additionally support the installation connecting rod assembly during disassembly.

Description

Technical Field

[0001] The utility model relates to the technical field of circular knitting machines, in particular to a yarn tensioning device of a circular knitting machine. Background Art

[0002] The circular knitting machine is a kind of equipment used for textile, mainly used for the production of knitted fabrics. It is mainly composed of a frame, a yarn feeding mechanism, a weaving mechanism, a weft straightening device, a main electrical appliance and a tensioner. It can weave various knitted fabrics through the cooperation of knitting needles and various auxiliary devices.

[0003] The patent document with announcement number CN220643424U discloses a yarn tensioning mechanism for a large circular knitting machine, comprising a mounting base plate, a wire feeding connecting rod and a wire feeding wheel, the wire feeding connecting rod being arranged on both sides of the top of the mounting base plate, the wire feeding wheel being rotatably connected to the wire feeding connecting rod, and limit disks being installed on both ends of the wire feeding connecting rod, a U-shaped support plate being installed on the top of the mounting base plate, an electric telescopic rod being installed on the top of the U-shaped support plate, a U-shaped mounting frame being fixedly connected to the bottom of the electric telescopic rod, a sliding plate being fixedly installed at the bottom of the U-shaped mounting frame, a mounting connecting rod being arranged at the bottom of the sliding plate, a yarn tensioning wheel being rotatably connected to the mounting connecting rod, a detachable fixing component for positioning the wire feeding connecting rod being arranged on the top of the mounting base plate, and a quick-release limit component for positioning the mounting connecting rod being connected to the sliding plate. Among them, the quick-release limit assembly includes a fixed seat with a groove, through holes are provided on both sides of the sliding plate, the fixed seat is slidably engaged in the through holes, the end of the installation connecting rod is connected to the groove on the fixed seat, a connecting rack is fixedly installed on the top of the fixed seat, a disassembly motor is fixedly installed on the inner side wall of the top of the U-shaped mounting frame, a connecting gear is fixedly installed on the output shaft of the disassembly motor, and the connecting gear is meshed with the connecting rack. When the disassembly motor works, the two fixed seats can eventually be displaced in the through holes on the sliding plate. When the two fixed seats are close to each other, the installation connecting rod can be clamped and fixed, and when they are far away, the installation connecting rod can be released.

[0004] When the yarn tensioning mechanism adjusts the quick-release limit assembly to disassemble the installation connecting rod, the installation connecting rod has a certain height and is heavy, so the staff needs to support the installation connecting rod first, and then start the disassembly motor to drive the two connecting racks to move apart through the gear, drive the two fixed seats to move apart, and then the two fixed seats are separated from the installation connecting rod. During this process, it is difficult for the staff to support the installation connecting rod. Utility Model Content

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a yarn tensioning device for a circular knitting machine to solve the problem in the prior art that when the installation connecting rod is disassembled, the workers need to support the installation connecting rod in order to complete it safely, which makes it difficult for the workers.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical solution: a yarn tensioning device for a circular knitting machine, including an installation connecting rod assembly, and also including:

[0007] Adjustment plate;

[0008] There are two mounting seats, both of which are slidably connected to the adjustment plate, the mounting connecting rod assembly is fixedly installed between the two mounting seats, and a quick-release limit assembly is connected between the two mounting seats to drive them to move toward or away from each other to complete the installation or disassembly of the mounting connecting rod assembly; each mounting seat includes:

[0009] A positioning portion, wherein a positioning groove is formed on the positioning portion, and the positioning groove is used for embedding and positioning one end of the connecting rod assembly;

[0010] The auxiliary support block is connected to the positioning portion and is located at the notch of the positioning groove and extends along the depth direction of the positioning groove. The auxiliary support block is used to provide support when one end of the connecting rod assembly withdraws from the positioning groove.

[0011] Technical principle:

[0012] When installing the connecting rod assembly, the two mounting seats are moved away from each other through the quick-release limit assembly until the distance between the positioning grooves in the two mounting seats is greater than the length of the connecting rod assembly and the length of the connecting rod assembly is greater than the distance between the auxiliary support blocks in the two mounting seats. At this time, the connecting rod assembly can be placed between the auxiliary support blocks in the two mounting seats for support, and the two mounting seats are moved toward each other through the detachable limit assembly until the two ends of the connecting rod assembly are embedded in the positioning grooves in the two mounting seats one by one to counter and fix each other to complete the installation.

[0013] When the installation connecting rod assembly is disassembled, the two mounting seats are moved apart by the quick-release limit assembly until the two ends of the installation connecting rod assembly are correspondingly withdrawn from the positioning grooves in the two mounting seats and supported on the auxiliary support blocks in the two mounting seats. Then, it can be easily taken out from the two auxiliary support blocks to complete the disassembly.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The yarn tensioning device of the circular knitting machine is mainly composed of a mounting seat designed to include a positioning part and an auxiliary support block. When disassembling, the two mounting seats are moved apart by a quick-release limit assembly until the two ends of the installed connecting rod assembly are correspondingly withdrawn from the positioning grooves in the two mounting seats and supported on the auxiliary support blocks in the two mounting seats. There is no need for the staff to provide additional support for the installed connecting rod assembly, which simplifies the staff's operation during the disassembly process and makes the disassembly of the installed connecting rod assembly relatively easy. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of an embodiment of the utility model;

[0017] Figure 2 for Figure 1 A schematic diagram of the structure of the middle mounting seat;

[0018] Figure 3 for Figure 2 Section view along line AA;

[0019] Figure 4 for Figure 1 Schematic diagram of the arrangement of the two pressing blocks on the middle support seat.

[0020] The figure marks in the drawings of the specification include: installing connecting rod assembly 1, adjusting plate 2, mounting seat 3, positioning groove 31, auxiliary support block 32, mounting notch 33, guide block 34, quick-release limit assembly 4, first adjusting screw rod 41, limit block 42, wire feeding connecting rod assembly 5, adjustable support mechanism 6, support seat 61, pressing block 62, connecting strip 63, detachable fixing assembly 64, guide groove 65, base 7, gantry 8, height adjustment cylinder 9. DETAILED DESCRIPTION

[0021] The present invention is further described in detail below through specific implementation modes:

[0022] like Figure 1 , Figure 2 as well as Figure 3As shown, an embodiment of the utility model proposes a yarn tensioning device for a circular knitting machine, comprising an installation connecting rod assembly 1, an adjusting plate 2 and a mounting seat 3; there are two mounting seats 3 and both are slidably connected to the adjusting plate 2, the installation connecting rod assembly 1 is installed and fixed between the two mounting seats 3 and a quick-release limit assembly 4 is connected between the two mounting seats 3 to drive them to move toward or away from each other to complete the installation or disassembly of the installation connecting rod assembly 1; each mounting seat 3 includes a positioning portion and an auxiliary support block 32, wherein a positioning groove 31 is opened on the positioning portion, and the positioning groove 31 is used for embedding and positioning one end of the connecting rod assembly 1; the auxiliary support block 32 is connected to the positioning portion and is located at the notch of the positioning groove 31 and extends along the depth direction of the positioning groove 31, and the auxiliary support block 32 is used to provide support when one end of the connecting rod assembly withdraws from the positioning groove 31.

[0023] When installing the connecting rod assembly 1, the two mounting seats 3 are moved away from each other through the quick-release limit assembly 4 until the distance between the notches of the positioning grooves 31 in the two mounting seats 3 is greater than the length of the connecting rod assembly 1 and the length of the connecting rod assembly 1 is greater than the distance between the auxiliary support blocks 32 in the two mounting seats 3. At this time, the connecting rod assembly 1 can be placed between the auxiliary support blocks 32 in the two mounting seats 3 for support, and then the two mounting seats 3 are moved toward each other through the detachable limit assembly until the two ends of the connecting rod assembly 1 are embedded in the positioning grooves 31 in the two mounting seats 3 one by one to counter and fix each other to complete the installation.

[0024] When the installation connecting rod assembly 1 is disassembled, the two mounting seats 3 are moved away from each other through the quick-release limit assembly 4 until the two ends of the installation connecting rod assembly 1 are correspondingly withdrawn from the positioning grooves 31 in the two mounting seats 3 and supported on the auxiliary support blocks 32 in the two mounting seats 3. After that, it can be easily taken out from the two auxiliary support blocks 32 to complete the disassembly.

[0025] In this embodiment:

[0026] The installation connecting rod assembly 1 is a prior art, mainly comprising an installation connecting rod and a plurality of yarn tensioning wheels rotatably sleeved on the installation connecting rod and arranged at intervals. Since the installation connecting rod is cylindrical, the top surface of the auxiliary support block 32 is an arc surface and the arc surface is located on the extension line of the inner surface of the bottom side of the positioning groove 31, so that the auxiliary support block 32 can stably support the installation connecting rod assembly 1 during the installation or disassembly process of the installation connecting rod assembly 1.

[0027] In order to better understand this solution, the following further optimizes this solution

[0028] like Figure 1 and Figure 4As shown, according to another embodiment of the utility model, the yarn tensioning device of the circular knitting machine further includes two wire feeding connecting rod assemblies 5 and an adjustable supporting mechanism 6 matched with the two wire feeding connecting rod assemblies 5, the adjustable supporting mechanism 6 includes a supporting seat 61, a pressing block 62 and a detachable fixing assembly 64; wherein, there are two supporting seats 61 and they are arranged facing each other, the middle parts of the top surfaces of the two supporting seats 61 are recessed inward to form a supporting platform, and the two wire feeding connecting rod assemblies 5 are erected between the two supporting platforms; the pressing blocks 62 are slidably connected to each supporting platform, and the two pressing blocks 62 sliding on the same supporting platform are matched with the ends on the same side of the two wire feeding connecting rod assemblies 5 in a one-to-one manner, and the two pressing blocks 62 matched with the same wire feeding connecting rod assembly 5 are connected by a connecting strip 63; the detachable fixing assembly 64 is connected between the two connecting strips 63, and is used to make the two connecting strips 63 move toward or away from each other.

[0029] In this embodiment:

[0030] During installation, the two wire feeding connecting rod assemblies 5 are clamped between the two supporting seats 61 and the ends of the wire feeding connecting rod assemblies 5 are placed in the corresponding supporting platforms, and then the disassembly type fixing assembly 64 is used to make the two connecting bars 63 move away from each other, thereby driving the pressing blocks 62 on the two connecting bars 63 to move away from each other, until the two pressing blocks 62 on the same connecting bar 63 cooperate with the side walls of the corresponding supporting platforms to clamp and fix the two ends of one wire feeding connecting rod assembly 5, then the four pressing blocks 62 on the two connecting bars 63 clamp and fix the four ends of the two wire feeding connecting rod assemblies 5 one by one; during disassembly, the disassembly type fixing assembly 64 is used to make the two connecting bars 63 move toward each other, thereby driving the pressing blocks 62 on the two connecting bars 63 to move toward each other, then the four pressing blocks 62 on the two connecting bars 63 are one by one detached from the clamping and fixing of the four ends of the two wire feeding connecting rod assemblies 5, and the two wire feeding connecting rod assemblies 5 are still erected between the two supporting platforms, and the staff does not need to additionally support the wire feeding connecting rod assemblies 5 during disassembly. Among them, the wire feeding connecting rod assembly 5 is an existing structure, which includes a wire feeding connecting rod and a plurality of wire feeding wheels arranged at intervals on the wire feeding connecting rod; the pressing block 62 cooperates with the side wall of the corresponding support platform end to clamp the end of the wire feeding connecting rod. Because the wire feeding connecting rod is cylindrical, the clamping surface of the pressing block 62 cooperates with the clamping surface formed by the side wall of the corresponding support platform end to form a circular clamping surface suitable for the end of the wire feeding connecting rod.

[0031] Specifically, the present scheme also includes a base 7, two support seats 61 are installed on the base 7, and a gantry 8 is also provided on the base 7 and is located outside the middle of the two support seats 61. The adjustment plate 2 is arranged in the gantry 8 and slides in the vertical direction. A height adjustment cylinder 9 is installed on the top of the gantry 8 and is against the adjustment plate 2. The yarn is tensioned by cooperating between the two wire feeding connecting rod assemblies 5 and the installation connecting rod assembly 1.

[0032] like Figure 1 , Figure 2 as well as Figure 3 As shown, according to another embodiment of the utility model, a yarn tensioning device of a circular knitting machine, wherein the quick-release limit assembly 4 includes a first adjusting screw rod 41, the first adjusting screw rod 41 is rotatably set on the adjusting plate 2 and arranged along the sliding direction of the mounting seat 3, the first adjusting screw rod 41 is threadedly connected to the two mounting seats 3, and two limit blocks 42 are arranged on the first adjusting screw rod 41, the two mounting seats 3 are located between the two limit blocks 42 and when the two mounting seats 3 are against the two limit blocks 42, the end of the installation connecting rod assembly 1 withdraws from the corresponding positioning groove 31 and is supported on the auxiliary support block 32.

[0033] Here:

[0034] The first adjusting screw 41 is rotated to make the two mounting seats 3 move toward or away from each other to realize the installation or separation of the installation connecting rod assembly 1, and the two limit blocks 42 are arranged during the separation to realize the precise movement of the two mounting seats 3. When the two mounting seats 3 move away from each other until they are in one-to-one contact with the two limit blocks 42, the end of the installation connecting rod assembly 1 withdraws from the corresponding positioning groove 31 and is supported on the auxiliary support block 32 to prevent the installation seat 3 from moving too far and the installation connecting rod assembly 1 from falling off the auxiliary support block 32 and causing an accident. Among them, a stepping motor fixedly mounted on the adjustment plate 2 can be connected to one end of the first adjusting screw 41 to electrically drive the first adjusting screw 41 to rotate forward or reverse, thereby improving the installation or separation efficiency of the installation connecting rod assembly 1.

[0035] Further, a mounting notch 33 is formed on the top of the mounting seat 3, and the adjusting plate 2 is inserted into the mounting notch 33 and slidably connected to each other, so as to reasonably assemble the mounting seat 3 and the adjusting plate 2.

[0036] A slide groove is formed on the side wall of the adjustment plate 2 along the sliding direction of the mounting seat 3, and a guide block 34 is formed on the inner wall of the mounting notch 33. When the mounting seat 3 slides, the guide block 34 slides in the slide groove to improve the sliding stability of the mounting seat 3.

[0037] In this embodiment, the first adjusting screw rod 41 is arranged on the front side of the adjusting plate 2, and the sliding groove is arranged on the rear side of the adjusting plate 2, so as to be arranged reasonably.

[0038] like Figure 1 and Figure 4As shown, according to another embodiment of the utility model, a yarn tensioning device for a circular knitting machine is provided, wherein the support seat 61 is provided with a guide groove 65 along the sliding direction of the pressing block 62, and the connecting strips 63 are connected with guide blocks 34 slidably arranged in the guide groove 65; the detachable fixing assembly 64 includes a second adjusting screw rod, which is arranged along the sliding direction of the pressing block 62 and is threadedly connected to the two connecting strips 63.

[0039] In this embodiment:

[0040] Rotate the second adjusting screw to make the two connecting bars 63 move toward or away from each other. When the connecting bar 63 moves, the guide block 34 slides in the corresponding guide groove 65 to make the connecting bar 63 move stably, thereby quickly realizing the installation or disassembly of the two wire feeding connecting rod assemblies 5; wherein, one end of the second adjusting screw can be connected to a stepping motor fixed on the base 7 to drive the second adjusting screw to rotate forward or reverse.

[0041] Furthermore, the connecting strips 63 are slidably attached to the top surface of the base 7, and one side of the bottom of each pressing block 62 extends downward to the bottom side of the outer wall of the corresponding support seat 61 and is then connected to the corresponding connecting strip 63, so as to prevent the second adjusting screw from obstructing the use of the wire feeding connecting rod assembly 5.

[0042] When using this solution:

[0043] The yarn is tensioned between the two wire feeding connecting rod assemblies 5 and the installation connecting rod assembly 1.

[0044] When the wire feeding connecting rod assembly 5 needs to be disassembled, the corresponding stepping motor is started to release the pressing block 62 from clamping the wire feeding connecting rod assembly 5, and then the wire feeding connecting rod assembly 5 can be removed from between the two supporting seats 61.

[0045] When the mounting connecting rod assembly 1 needs to be disassembled, the corresponding stepping motor is started to make the mounting seat 3 abut against the corresponding limiting block 42 , and the mounting connecting rod assembly 1 can be removed from between the two auxiliary supporting blocks 32 .

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A yarn tensioning device for a circular knitting machine, comprising a connecting rod assembly, characterized in that: Also includes: Adjustment plate; There are two mounting seats, both of which are slidably connected to the adjustment plate, the mounting connecting rod assembly is fixedly installed between the two mounting seats, and a quick-release limit assembly is connected between the two mounting seats to drive them to move toward or away from each other to complete the installation or disassembly of the mounting connecting rod assembly; each mounting seat includes: A positioning portion, wherein a positioning groove is formed on the positioning portion, and the positioning groove is used for embedding and positioning one end of the connecting rod assembly; The auxiliary support block is connected to the positioning portion and is located at the notch of the positioning groove and extends along the depth direction of the positioning groove. The auxiliary support block is used to provide support when one end of the connecting rod assembly withdraws from the positioning groove.

2. A yarn tensioning device for a circular knitting machine according to claim 1, characterized in that: The quick-release limit stop assembly comprises: The first adjusting screw rod is rotatably arranged on the adjusting plate and arranged along the sliding direction of the mounting seat. The first adjusting screw rod is threadedly connected to the two mounting seats. Two limit blocks are arranged on the first adjusting screw rod. The two mounting seats are located between the two limit blocks and when the two mounting seats are against the two limit blocks, the end of the installation connecting rod assembly withdraws from the corresponding positioning groove and is supported on the auxiliary support block.

3. A yarn tensioning device for a circular knitting machine according to claim 1 or 2, characterized in that: A mounting notch is formed on the top of the mounting seat, and the adjustment plate is embedded in the mounting notch and slidably connected.

4. The yarn tensioning device of a circular knitting machine according to claim 3, characterized in that: A sliding groove is formed on the side wall of the adjustment plate along the sliding direction of the mounting seat, and a guide block is formed on the inner wall of the mounting notch and is slidably arranged in the sliding groove.

5. The yarn tensioning device for a circular knitting machine according to claim 1, characterized in that: It also includes two wire feeding connecting rod assemblies and an adjustable support mechanism that cooperates with the two wire feeding connecting rod assemblies, and the adjustable support mechanism includes: There are two support seats, which are arranged facing each other, and the middle parts of the top surfaces of the two support seats are recessed inward to form a support platform, and the two wire feeding connecting rod assemblies are erected between the two support platforms; A pressing block, wherein two pressing blocks are slidably connected on each support platform, and the two pressing blocks sliding on the same support platform are matched with the ends of the same side of the two wire feeding connecting rod assemblies in a one-to-one manner, and the two pressing blocks matched with the same wire feeding connecting rod assembly are connected by a connecting strip; A detachable fixing assembly is connected between two connecting strips and is used to make the two connecting strips move toward or away from each other.

6. A yarn tensioning device for a circular knitting machine according to claim 5, characterized in that: The support seats are provided with guide grooves along the sliding direction of the pressing blocks, and the connecting bars are connected with guide blocks slidably arranged in the guide grooves; the detachable fixing assembly comprises: A second adjusting screw rod is arranged along the sliding direction of the pressing block and is threadably connected to the two connecting strips.

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