Elastomeric core-spun yarn, core yarn feeding device and processing method for air-jet vortex spinning

Abstract

The application discloses an elastic core-spun yarn of air-jet vortex spinning, a core yarn feeding device and a processing method, which comprise a supporting frame and a plurality of godets arranged in sequence, a bottom plate is fixedly connected between the left side and the right side of the inner wall of the supporting frame, two groups of replacement mechanisms are arranged above the bottom plate, a cutting butt joint mechanism is arranged in front of the replacement mechanism, the cutting butt joint mechanism is composed of a cutting assembly and four butt joint assemblies, the replacement mechanism comprises a rotating rod, the rotating rod is rotationally connected with the top of the bottom plate, one end above the rotating rod is fixedly connected with a circular plate, and the four butt joint assemblies are equidistantly arranged on the annular surface of the circular plate. The application relates to the technical field of air-jet vortex spinning production. The elastic core-spun yarn of air-jet vortex spinning, the core yarn feeding device and the processing method are characterized in that after the use of the core yarn on the core yarn roll is completed, the replacement mechanism is started to rotate a new core yarn roll to the position of an old core yarn roll, so that the automatic replacement of the core yarn roll is quickly completed.

Description

Technical Field

[0001] This invention relates to the field of air-jet vortex spinning production technology, specifically to an elastic core-spun yarn, core yarn feeding device, and processing method for air-jet vortex spinning. Background Technology

[0002] Core-spun yarn is a composite yarn consisting of a core yarn and a sheath yarn. It typically uses filament yarn as the core yarn and staple fiber as the outer sheath yarn. Its characteristic is that by combining the outer sheath yarn with the core yarn, the advantages of each can be brought into play, the shortcomings of both can be compensated, the strengths can be maximized and the weaknesses can be minimized, and the structure and characteristics of the yarn can be optimized.

[0003] Chinese Patent Publication No. CN203583074U discloses a core yarn feeding device for vortex spinning core-spun yarn, including a guide tension frame. The guide tension frame consists of four guide rollers, including a rear guide roller, a middle rear guide roller, a middle front guide roller, and a front guide roller. A guide frame with an arc-shaped structure is arranged in front of the front guide roller on the guide tension frame.

[0004] The existing core yarn feeding device for elastic core-spun yarn produced by jet vortex spinning requires the core yarn on the core yarn roll to be replaced with a new core yarn after it has been used up. The current replacement method is to manually remove the used core yarn roll and replace it with a new core yarn roll full of core yarn. This operation is cumbersome and requires a long downtime during replacement, which reduces the production efficiency of the equipment. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides an elastic core-spun yarn, core yarn feeding device, and processing method for air-jet vortex spinning, which solves the problem of cumbersome operation when replacing new core yarn rolls in existing air-jet vortex spinning elastic core-spun yarn and core yarn feeding devices.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a jet-jet vortex spinning elastic core-spun yarn and core yarn feeding device, comprising a support frame and a plurality of guide rollers arranged sequentially. A base plate is fixedly connected between the left and right sides of the inner wall of the support frame. Two sets of replacement mechanisms are arranged above the base plate. A cutting and docking mechanism is arranged in front of the replacement mechanism. The cutting and docking mechanism consists of a cutting component and four docking components. The replacement mechanism includes a rotating rod, which is rotatably connected to the top of the base plate. A circular plate is fixedly connected to one end of the rotating rod. The four docking components are equidistantly arranged on the annular surface of the circular plate. A driven gear is fixedly connected to one end of the rotating rod that passes through the base plate and extends to the bottom of the base plate. A replacement motor is fixedly connected to the bottom of the base plate via a bracket. A driving gear is fixedly connected to the output end of the replacement motor. The driving gear meshes with the driven gear for transmission.

[0007] The top of the circular plate is rotatably connected to four spline shafts at equal intervals. A baffle is fixedly connected to the lower surface of the spline shaft, and a core wire roll located above the baffle is sleeved on the surface of the spline shaft.

[0008] Preferably, the spline shaft passes through the circular plate and extends to one end below the circular plate, where a mating block is fixedly connected. The bottom of the mating block has a mating arc groove. The bottom of the base plate is fixedly connected to a drive motor. The output end of the drive motor is also fixedly connected to a mating block. The top of the mating block is provided with an arc-shaped block that matches the mating arc groove.

[0009] Preferably, the cutting assembly includes a first sleeve, which is fixedly connected to the front of the base plate via a support rod. An adjusting gear is rotatably connected to the surface of the first sleeve. The cutting assembly has two limiting grooves, one above the other. Two sets of L-shaped rods are slidably connected to the surface of the first sleeve. Each set of L-shaped rods consists of two L-shaped rods, one above the other. A cutter is fixedly connected to one end of the two rear L-shaped rods inside the first sleeve. A sliding rod is slidably connected to one side of the two front L-shaped rods. A clamping plate is fixedly connected to one end of the two sliding rods. The lower clamping plate is longer and extends close to the cutter.

[0010] Preferably, a limiting spring is sleeved on the surface of the slide rod located between the L-shaped rod and the opposite side of the clamping plate. Two guide wheels are rotatably connected between the left and right sides of the inner wall of the first sleeve. An adjusting motor is fixedly connected to the bottom of the support rod. A drive gear is fixedly connected to the output end of the adjusting motor. The drive gear meshes with the adjusting gear for transmission.

[0011] Preferably, the docking assembly includes a second sleeve and a slide block. A conical cylinder is slidably connected to the inner surface of the second sleeve. A return spring is provided between the protruding ring of the conical cylinder and the inner wall of the second sleeve. A wire groove is opened inside the conical cylinder. A wire baffle is fixedly connected to the front of the conical cylinder and is located at the outlet of the wire groove. An electric heating block is embedded in the front of the wire baffle.

[0012] The slide block is fixedly connected to the annular surface of the circular plate. A docking motor is fixedly connected to the back of the inner wall of the slide block. A lead screw is fixedly connected to the output end of the docking motor. A connecting rod is threaded onto the surface of the lead screw. The other end of the connecting rod passes through the second sleeve and extends into the interior of the second sleeve. The end of the connecting rod located inside the second sleeve is fixedly connected to the bottom of the conical cylinder.

[0013] This invention also discloses a method for processing elastic core-spun yarn produced by air-jet vortex spinning, specifically including the following steps:

[0014] Step 1: The prepared multiple outer slivers are drafted using a vortex spinning machine;

[0015] Step 2: The core yarn is fed into the vortex spinning machine through the elastic core-spun yarn and core yarn feeding device of the air jet vortex spinning machine, and then gathered with the outer wrapped sliver after drafting on the vortex spinning machine.

[0016] Step 3: Start the vortex spinning machine and use air jets to wrap the outer sliver around the core yarn, thereby producing an air-jet vortex spun elastic core-spun yarn.

[0017] Preferably, in step two, the raw material proportions of the core filament are: spandex fiber proportions of 4wt% to 35wt%, core filament denier of 30D to 200D, and core filament elongation of 20% to 200%.

[0018] Beneficial effects

[0019] This invention provides an elastic core-spun yarn produced by air-jet vortex spinning, a core yarn feeding device, and a processing method. Compared with the prior art, it has the following advantages:

[0020] 1. The elastic core-spun yarn, core yarn feeding device and processing method of the jet vortex spinning, through the replacement mechanism including a rotating rod, the rotating rod is rotatably connected to the top of the base plate, a circular plate is fixedly connected to one end of the rotating rod above the base plate, and a driven gear is fixedly connected to one end of the rotating rod that passes through the base plate and extends to the bottom of the base plate. After the core yarn on the core yarn roll is used up, the replacement mechanism is activated so that the new core yarn roll rotates to the position of the old core yarn roll, thereby quickly completing the automatic replacement of the core yarn roll and improving the convenience of the device.

[0021] 2. The elastic core-spun yarn, core yarn feeding device and processing method of the jet vortex spinning, through the cutting component including the first sleeve, the first sleeve is fixedly connected to the front of the base plate through the support rod, and the surface of the first sleeve is rotatably connected to the adjusting gear. Before replacing the new core yarn roll, the core yarn is automatically cut by the cutting component, without manual operation, which improves the automation level of the device.

[0022] 3. The elastic core-spun yarn, core yarn feeding device and processing method of the jet vortex spinning, through the docking assembly including a second sleeve and a slide block, a conical cylinder is slidably connected to the inner surface of the second sleeve, and a return spring is provided between the protruding ring of the conical cylinder and the inner wall of the second sleeve. After the cutting assembly cuts the core yarn, the docking assembly carries the new core yarn into the cutting assembly and docks with the end of the cut core yarn, thereby completing the core yarn docking operation without long-term machine downtime, further improving the automation level of the device. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the appearance of the present invention;

[0024] Figure 2This is a side sectional view of the present invention;

[0025] Figure 3 This is a bottom view of the base plate of the present invention;

[0026] Figure 4 This is a top view of the circular plate of the present invention;

[0027] Figure 5 This is a bottom view of the circular plate of the present invention;

[0028] Figure 6 This is a schematic diagram of the cutting and docking mechanism of the present invention;

[0029] Figure 7 This is a cross-sectional view of the cutting and docking mechanism of the present invention;

[0030] Figure 8 This is a rear view of the cutting component of the present invention;

[0031] Figure 9 This is a top view of the docking component of the present invention.

[0032] In the diagram: 1. Support frame; 2. Guide roller; 6. Base plate; 7. Changing mechanism; 71. Rotating rod; 72. Circular plate; 73. Driven gear; 74. Changing motor; 75. Driving gear; 76. Splined shaft; 77. Baffle; 78. Core wire coil; 79. Connecting block; 710. Connecting arc groove; 711. Drive motor; 8. Cutting and connecting mechanism; 9. Cutting assembly; 91. First sleeve; 92. Adjusting gear; 93. L-shaped rod; 94. Cutting blade; 95. Slide rod; 96. Clamping plate; 97. Limiting spring; 98. Guide wheel; 99. Limiting groove; 910. Adjusting motor; 911. Drive gear; 10. Docking assembly; 101. Second sleeve; 102. Conical cylinder; 103. Return spring; 104. Wire groove; 105. Wire stop plate; 106. Electric heating block; 107. Slide block; 108. Docking motor; 109. Lead screw; 1010. Connecting rod. Detailed Implementation

[0033] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0034] The jet vortex spinning elastic core-spun yarn and core yarn feeding device offers two technical solutions:

[0035] like Figure 1-5The first embodiment is shown: it includes a support frame 1 and a plurality of guide rollers 2 arranged in sequence. A base plate 6 is fixedly connected between the left and right sides of the inner wall of the support frame 1. Two sets of replacement mechanisms 7 are arranged on the top of the base plate 6. The replacement mechanism 7 includes a rotating rod 71, which is rotatably connected to the top of the base plate 6. A circular plate 72 is fixedly connected to one end of the rotating rod 71. A driven gear 73 is fixedly connected to one end of the rotating rod 71 that passes through the base plate 6 and extends to the bottom of the base plate 6. A replacement motor 74 is fixedly connected to the bottom of the base plate 6 through a bracket. A driving gear 75 is fixedly connected to the output end of the replacement motor 74. The driving gear 75 and the driven gear 73 mesh and drive each other.

[0036] Four splined shafts 76 are rotatably connected at equal intervals to the top of the circular plate 72. A baffle 77 is fixedly connected to the lower surface of the splined shaft 76. A core wire coil 78 located above the baffle 77 is sleeved on the surface of the splined shaft 76. A mating block 79 is fixedly connected to one end of the splined shaft 76 that passes through the circular plate 72 and extends to the lower end of the circular plate 72. A mating arc groove 710 is opened at the bottom of the mating block 79. A drive motor 711 is fixedly connected to the bottom of the base plate 6. The output end of the drive motor 711 is also fixedly connected to the mating block 79. An arc block that mates with the mating arc groove 710 is provided on the top of the mating block 79.

[0037] After the core wire on the core wire roll 78 is used up, the replacement mechanism 7 is activated so that the new core wire roll 78 rotates to the position of the old core wire roll 78, thereby quickly completing the automatic replacement of the core wire roll 78 and improving the ease of use of the device.

[0038] like Figure 2 , 4The second embodiment is illustrated in 6-9. The main difference from the first embodiment is that a cutting and docking mechanism 8 is provided in front of the replacement mechanism 7. The cutting and docking mechanism 8 consists of a cutting component 9 and four sets of docking components 10. The four sets of docking components 10 are equidistantly arranged on the annular surface of the circular plate 72. The cutting component 9 includes a first sleeve 91, which is fixedly connected to the front of the base plate 6 via a support rod. An adjusting gear 92 is rotatably connected to the surface of the first sleeve 91. The cutting component 9 has two upper and lower limiting grooves 99 inside. Two sets of L-shaped rods 93 are slidably connected to the surface of the first sleeve 91, each set consisting of two upper and lower L-shaped rods 93. Each L-shaped rod 93 has a cutter 94 fixedly connected to one end inside the first sleeve 91. Each of the two L-shaped rods 93 at the front has a sliding rod 95 slidably connected to the opposite side. Each of the two sliding rods 95 has a clamping plate 96 fixedly connected to the opposite end. The lower clamping plate 96 is longer and extends close to the cutter 94. A limiting spring 97 is sleeved on the surface of the sliding rod 95 between the L-shaped rod 93 and the clamping plate 96. Two guide wheels 98 are rotatably connected between the left and right sides of the inner wall of the first sleeve 91. An adjusting motor 910 is fixedly connected to the bottom of the support rod. A drive gear 911 is fixedly connected to the output end of the adjusting motor 910. The drive gear 911 meshes with the adjusting gear 92 for transmission.

[0039] The docking assembly 10 includes a second sleeve 101 and a slide block 107. A conical cylinder 102 is slidably connected to the inner surface of the second sleeve 101. A return spring 103 is provided between the protruding ring of the conical cylinder 102 and the inner wall of the second sleeve 101. A wire groove 104 is formed inside the conical cylinder 102. A wire baffle 105 is fixedly connected to the front of the conical cylinder 102 and is located at the outlet of the wire groove 104. An electric heating block 106 is embedded in the front of the wire baffle 105. The slide block 107 is fixedly connected to the annular surface of the circular plate 72. The back of the inner wall of the slide block 107 is fixedly connected to the docking motor 108. The output end of the docking motor 108 is fixedly connected to the lead screw 109. The surface of the lead screw 109 is threadedly connected to the connecting rod 1010. The other end of the connecting rod 1010 passes through the second sleeve 101 and extends into the interior of the second sleeve 101. The end of the connecting rod 1010 located inside the second sleeve 101 is fixedly connected to the bottom of the conical cylinder 102.

[0040] Before replacing the new core wire roll 78, the core wire is automatically cut by the cutting assembly without manual operation, which improves the automation level of the device. After the cutting assembly 9 cuts the core wire, the docking assembly 10 carries the new core wire into the cutting assembly 9 and docks with the end of the cut core wire. Thus, the docking operation of the core wire is completed without long-term downtime, which further improves the automation level of the device.

[0041] During replacement, first start the adjustment motor 910. The adjustment motor 910 rotates and drives the drive gear 911 to rotate. The drive gear 911 rotates and transmits power to the adjustment gear 92. The adjustment gear 92 rotates and, through the cooperation of the limit groove 99 and the L-shaped rod 93, makes the upper and lower L-shaped rods 93 of the front and rear sets approach each other. When the upper and lower L-shaped rods 93 approach each other, the clamping plate 96 first contacts the core wire and presses the core wire tightly through the upper and lower clamping plates 96. Then the cutter 94 contacts the core wire and cuts the core wire. Then, the adjustment motor 910 is started in reverse so that the cutter 94 is away from the position of the core wire. The clamping plate 96 continues to press the core wire tightly under the action of the limit spring 97. In addition, after the cutter 94 is away from the core wire, the cut part of the core wire hangs down and is in front of the lower clamping plate 96.

[0042] Then, the replacement motor 74 is started. The replacement motor 74 rotates and drives the drive gear 75 to rotate. The drive gear 75 rotates and transmits power to the driven gear 73, causing the driven gear 73 to rotate 90 degrees. This allows the new core wire roll 78 to be replaced in its previous position. When installing the new core wire roll 78 onto the splined shaft 76, the head of the core wire on the core wire roll 78 is passed through the wire groove 104, knotted, and a 2-3mm wire end is left hanging down in front of the electric heating block 106. Next, the docking motor 108 is started, driving the lead screw 109 to rotate. The connecting rod 1010 drives the second sleeve 101 to move. The second sleeve 101 moves and contacts the first sleeve 91. After the second sleeve 101 contacts the first sleeve 91, the lead screw 109 continues to rotate, so that the conical cylinder 102 enters the interior of the first sleeve 91 and the electric heating block 106 contacts the clamping plate 96. At this time, the new wire end contacts the head of the cut core wire, and the electric heating block 106 is energized, so that the core wires are connected. After the connection is completed, the connection motor 108 starts to reset the second sleeve 101, and at the same time, the adjustment motor 910 starts to reset the clamping plate 96.

[0043] This invention also discloses a method for processing elastic core-spun yarn produced by air-jet vortex spinning, specifically including the following steps:

[0044] Step 1: The prepared multiple outer slivers are drafted using a vortex spinning machine;

[0045] Step 2: The core yarn is fed into the vortex spinning machine through the elastic core-spun yarn and core yarn feeding device of the air jet vortex spinning machine, and then gathered with the outer wrapped sliver after drafting on the vortex spinning machine.

[0046] Step 3: Start the vortex spinning machine and use air jets to wrap the outer sliver around the core yarn, thereby producing an air-jet vortex spun elastic core-spun yarn.

[0047] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0048] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for feeding elastic core-spun yarn and core filaments in jet vortex spinning, comprising a support frame (1) and a plurality of guide rollers (2) arranged sequentially, characterized in that: A base plate (6) is fixedly connected between the left and right sides of the inner wall of the support frame (1). Two sets of replacement mechanisms (7) are provided above the base plate (6). A cutting and docking mechanism (8) is provided in front of the replacement mechanism (7). The cutting and docking mechanism (8) consists of a cutting component (9) and four docking components (10). The replacement mechanism (7) includes a rotating rod (71). The rotating rod (71) is rotatably connected to the top of the base plate (6). A circular plate (72) is fixedly connected to one end of the rotating rod (71). The four docking components (10) are equidistantly arranged on the annular surface of the circular plate (72). A driven gear (73) is fixedly connected to one end of the rotating rod (71) that passes through the base plate (6) and extends to the bottom of the base plate (6). A replacement motor (74) is fixedly connected to the bottom of the base plate (6) through a bracket. A driving gear (75) is fixedly connected to the output end of the replacement motor (74). The driving gear (75) meshes with the driven gear (73) for transmission. The top of the circular plate (72) is rotatably connected to four spline shafts (76) at equal distances. A baffle (77) is fixedly connected to the lower surface of the spline shaft (76). A core wire roll (78) located above the baffle (77) is sleeved on the surface of the spline shaft (76). The spline shaft (76) passes through the circular plate (72) and extends to a fixed end below the circular plate (72) where a docking block (79) is fixedly connected. The bottom of the docking block (79) is provided with a docking arc groove (710). The bottom of the base plate (6) is fixedly connected with a drive motor (711). The output end of the drive motor (711) is also fixedly connected with a docking block (79). The top of the docking block (79) is provided with an arc block that cooperates with the docking arc groove (710). The cutting assembly (9) includes a first sleeve (91), which is fixedly connected to the front of the base plate (6) by a support rod. An adjusting gear (92) is rotatably connected to the surface of the first sleeve (91). The cutting assembly (9) has two upper and lower limiting grooves (99) inside. The surface of the first sleeve (91) is slidably connected to two sets of L-shaped rods (93). Each set of L-shaped rods (93) consists of two upper and lower L-shaped rods (93). A cutter (94) is fixedly connected to one end of the two upper and lower L-shaped rods (93) inside the first sleeve (91). A slide rod (95) is slidably connected to one side of the two upper and lower L-shaped rods (93) in front. A clamping plate (96) is fixedly connected to one end of the two slide rods (95). The lower clamping plate (96) is longer and extends close to the cutter (94). A limiting spring (97) is sleeved on the surface of the slide rod (95) located between the L-shaped rod (93) and the clamp plate (96). Two guide wheels (98) are rotatably connected between the left and right sides of the inner wall of the first sleeve (91). An adjusting motor (910) is fixedly connected to the bottom of the support rod. A drive gear (911) is fixedly connected to the output end of the adjusting motor (910). The drive gear (911) meshes with the adjusting gear (92) for transmission.

2. The jet vortex spinning elastic core-spun yarn and core yarn feeding device according to claim 1, characterized in that: The docking assembly (10) includes a second sleeve (101) and a slide block (107). A conical cylinder (102) is slidably connected to the inner surface of the second sleeve (101). A return spring (103) is provided between the protruding ring of the conical cylinder (102) and the inner wall of the second sleeve (101). A wire groove (104) is opened inside the conical cylinder (102). A wire baffle (105) is fixedly connected to the front of the conical cylinder (102), and the wire baffle (105) is located at the outlet of the wire groove (104). An electric heating block (106) is embedded in the front of the wire baffle (105).

3. The jet vortex spinning elastic core-spun yarn and core yarn feeding device according to claim 2, characterized in that: The slide block (107) is fixedly connected to the annular surface of the circular plate (72). A docking motor (108) is fixedly connected to the back of the inner wall of the slide block (107). A lead screw (109) is fixedly connected to the output end of the docking motor (108). A connecting rod (1010) is threadedly connected to the surface of the lead screw (109). The other end of the connecting rod (1010) passes through the second sleeve (101) and extends into the interior of the second sleeve (101). One end of the connecting rod (1010) located inside the second sleeve (101) is fixedly connected to the bottom of the conical cylinder (102).

4. A processing method using the jet vortex spinning elastic core-spun yarn and core yarn feeding device according to any one of claims 1-3, characterized in that: Specifically, the following steps are included: Step 1: The prepared multiple outer slivers are drafted using a vortex spinning machine; Step 2: The core yarn is fed into the vortex spinning machine through the elastic core-spun yarn and core yarn feeding device of any one of claims 1-3, and is gathered with the drafted outer sliver on the vortex spinning machine. Step 3: Start the vortex spinning machine and use air jets to wrap the outer sliver around the core yarn, thereby producing an air-jet vortex spun elastic core-spun yarn.

5. The processing method of elastic core-spun yarn and core filament feeding device using an air-jet vortex spinning method according to claim 4, characterized in that: In step two, the raw material proportions of the core filament are as follows: spandex fiber accounts for 4wt% to 35wt%, the denier of the core filament raw material is 30D to 200D, and the elongation of the core filament raw material is 20% to 200%.

Images