wire feeding device
By designing a lateral threading opening arrangement for the thread taking and exiting elements and an adjustable rotation sensor in the thread feeding device, the problems of inconvenient thread hooking and operation in existing thread feeding devices are solved, and a simple and smooth threading process is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- MEMMINGER IRO GMBH
- Filing Date
- 2024-04-10
- Publication Date
- 2026-05-26
AI Technical Summary
Existing wire feeding devices have problems such as the wire getting caught in the components during the threading process, which makes operation inconvenient, especially when the wire tension is low, making it difficult to achieve a simple and smooth threading process.
Design a wire feeding device in which a wire taking element and a wire exiting element each have an elongated element. The elongated element is divided into two legs in its lower section to form a lateral wire-passing opening and is arranged on a support unit along the wire path. The lateral wire-passing opening of the wire taking element is arranged on one side and the lateral wire-passing opening of the wire exiting element is arranged on the other side. The wire taking element is adjustablely mounted on the support unit and is held in the operating position by rotating an outlet sensor.
It enables easy threading with just one hand, reduces the risk of thread tangling, adapts to different operating conditions, and improves the ease and smoothness of threading.
Smart Images
Figure CN119083011B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to a thread feeding device for feeding thread onto a textile machine. Background Technology
[0002] DE 101 13 184B4 discloses a yarn feeding device, particularly for a knitting machine, which has a support unit called a housing, a yarn feeding wheel, at least two yarn guiding elements, and at least one yarn sensing rod, also referred to as a yarn sensing device. The yarn sensing rod is pivotally mounted on the housing and is designed to pivot from an operating position to a switching position.
[0003] The wire guiding element is designed as a wire guiding support, in each case a substantially U-shaped wire support with two legs connected to each other by a web. The web guides the wire. The wire sensing rod can also be a wire support with legs and a web, so that the wire rests on the web of the wire sensing rod during operation.
[0004] The first line guide bracket is adjustable. Adjustable line guide brackets are also disclosed in DE 199 32 481A1 and DE 199 32 482A1.
[0005] The web of the first wire guiding element and the web of the wire guiding rod form a first wire guiding eye, which guides the wire downward from the wire feed wheel. The web of the wire sensing rod and the web of the second wire guiding element form a second wire guiding eye, which guides the wire upward. The eye formed in this way consists of overlapping opening elements. By pressing the wire sensing rod, these wire guiding eyes can be opened to a certain extent to allow the wire to be threaded through.
[0006] In this arrangement, the lines are not guided laterally along the direction of travel.
[0007] CN 203559217 U discloses a wire feeding device with a wire taking element having two wire guiding positions, a web and a closed wire eyelet, and a wire exiting element. The wire exiting element has an elongated element with a lateral wire-passing opening. The lower part of the elongated element is divided into two legs. The lateral wire-passing opening is formed between the legs. The two legs are connected at their lower ends to form a wire guiding portion.
[0008] The arrangement of the open wire guides and lateral wire-passing openings on the web of the wire-taking element can cause the wire to hook into the element (especially when the wire tension is low). Summary of the Invention
[0009] One object of this invention is to develop a wire feeding device with an improved wire guide at the outlet. The wire threading process should be as simple as possible.
[0010] This objective is achieved by a thread feeding device for feeding thread into a textile machine, the device having a support unit, a thread feeding wheel, two thread guiding elements arranged one after another on the support unit along the thread path and located behind the thread feeding wheel, and an outlet sensor rotatably mounted on the support unit and held in an operating position between the two thread guiding elements by thread during operation, wherein the two thread guiding elements are designed as a take-off element and a run-out element, each having an elongated element with an inlet orifice, wherein each elongated element is divided into two legs in its lower section, forming a lateral threading opening between the two legs, the two legs being connected at their lower ends to form a thread guiding section, wherein the lateral threading opening of the take-off element is arranged on one side of the thread path, and the lateral threading opening of the run-out element is arranged on the other side.
[0011] The thread feeding device for feeding thread to a textile machine according to the present invention includes a support unit, a thread feeding wheel, and two thread guiding elements arranged one after another on the support unit along the thread path and located behind the thread feeding wheel. The thread feeding device is provided with at least one thread sensing rod in the form of an outlet sensor, which is rotatably mounted on the support unit and held in an operating position between the two thread guiding elements by the thread during operation.
[0012] The two wire guide elements are designed as a wire take-up element and a wire exit element, each having an elongated element with an inlet orifice. Each elongated element of the wire take-up element and the wire exit element is divided into two legs at its lower part. A lateral wire-passing opening is formed between the legs. The two legs are connected at their lower ends to form the wire guide section.
[0013] The lateral wire-passing opening of the take-up element is located on one side of the wire path, while the lateral wire-passing opening of the exit element is located on the other side.
[0014] This arrangement is suitable for easy threading with only one hand. It allows for smooth hand movements.
[0015] Preferably, the wire guide sections of the take-up and take-out elements have a ceramic layer on their surfaces. Optionally, the wire guide sections have open ceramic orifices.
[0016] Preferably, the take-up element and the take-out element are made of metal.
[0017] In one embodiment, the threading openings of the take-up and take-out elements are arranged in the area of the support unit. This ensures that there is as much distance as possible between the wire guide section and the threading opening. The greater the distance between the threading opening and the wire passing through, the lower the risk of the wire tangling during operation.
[0018] In one embodiment, the support unit has a protrusion that covers the threading opening area of the take-up element on the side facing the feed wheel. Covering the lateral threading opening ensures that the wire is safely guided when leaving the feed wheel in various operating conditions.
[0019] In one embodiment, the wire-taking element is adjustablely arranged on the support unit. This makes it possible to adjust the height of the wire taken from the feed reel. This allows the wire feeding device to adapt to different operating conditions, such as different types of wire.
[0020] In one embodiment, the wire take-up element is arranged on a sliding element. Unlike the wire support legs known from DE 199 32 481A1 and DE 19932482A1, which are pressed together, the sliding element makes operation simple and intuitive.
[0021] In one embodiment, the outgoing element has a guide for the sliding element. This is a space-saving arrangement of the guide for the sliding element.
[0022] In one embodiment, the lead-out element has at least two locking openings for the sliding element. The locking openings determine the gentleness and steepness of the lead-out from the feed reel. The sliding element, for example, is provided with locking lugs that engage in the locking openings.
[0023] In one embodiment, the lead-out element is arranged on the support unit by a spring element having guides for the lead-out element and the sliding element. The spring element holds the lead-out element on the support unit by an elastic clamping mechanism.
[0024] In one embodiment, the spring element is designed as a spring plate, which is arranged on the support unit under preload. In one example, the spring plate is also fixed to the support unit with screws.
[0025] In one embodiment, the take-up element has a first lower section and a second section arranged at an obtuse angle to each other. In another embodiment, a portion of a spring element having a guide for the second section of the take-up element extends at an angle to the vertical direction near the lower end of the support unit, such that by moving the second section of the take-up element downward and backward along this portion of the spring element, the first section of the take-up element having the line guide portion moves downward and forward.
[0026] The advantage of this arrangement is that it allows the use of small components. Attached Figure Description
[0027] The invention will be further explained with reference to the embodiments schematically illustrated in the accompanying drawings.
[0028] Figure 1 This is a simplified side view of the wire feeding device according to the present invention;
[0029] Figure 2 yes Figure 1 A simplified side view, showing a vertical sectional view of the wire feeding device in the arrangement area of the wire taking elements and wire exiting elements on the support unit.
[0030] Figure 3a This is a partial view of a simplified view of the wire feeding device seen from the rear at the first position of the wire-taking element used for smooth wire taking;
[0031] Figure 3b It corresponds to Figure 3a A partial view showing the wire-taking element in a second position for steep wire taking;
[0032] Figure 4a This is a partial view of a simplified view of the wire feeding device from the front, taken from the first position of the wire taking element;
[0033] Figure 4b It corresponds to the second position. Figure 4a A partial view;
[0034] Figure 5a This is a vertical sectional view of the wire feeding device in the arrangement area of the wire-taking element and the wire-discharging element on the support unit when the wire-taking element is in the first position; and
[0035] Figure 5b The second position of the wire-taking element corresponds to Figure 5a A partial view. Detailed Implementation
[0036] Figure 5a The cross section in the middle corresponds to Figure 2 The cross section shown.
[0037] Figure 1 and 2 A thread feeding device 1 according to the invention is shown for feeding thread F into a textile machine. The thread feeding device 1 has a support unit 2 with a fastening clamp 3. The thread feeding device 1 is provided with a thread feeding wheel 4, which is disposed at the lower end of a shaft 5 extending through and mounted within the support unit 2. At least one pulley 6 (two pulleys 6 in this example) and a clutch with an operating unit 7 are arranged on the shaft 5.
[0038] In the path of the line F in front of the feed roller 4, that is, in the infeed section, the support unit 2 is provided with an inlet eyelet 8, a knot catcher 9, a line brake 10 and an inlet sensor 11.
[0039] The support unit 2 includes a support arm 12 and a housing having a first housing portion 13 and a second housing portion 14.
[0040] In the path of the wire F behind the feed roller 4, i.e., in the exit section, a first wire guide element and a second wire guide element are arranged one after another in the wire path on the support unit 2. The wire guide element is designed to guide the wire F supplied by the feed roller. The first wire guide element behind the feed roller 4 is designed as a wire take-up element 20, and the second wire guide element is designed as a wire exit element 21.
[0041] The wire feeding device 1 is equipped with an outlet sensor 22, which is mounted on the support unit 2 so that it can rotate about a rotation axis. The outlet sensor 22 is designed to pivot from the operating position to the switching position, in which the outlet sensor 22 is held by the wire F.
[0042] During operation, the outlet sensor 22 is held in the operating position by line F, which is located between the take-up element 20 and the outlet element 21.
[0043] exist Figure 3a , 3b Figures 4a, 4b and 5a, 5b show the structure and function of two wire guiding elements formed by the wire taking element 20 and the wire exiting element 21 behind the wire feeding wheel 4.
[0044] The wire-taking element 20 is formed of an elongated element, such as a metal strip. It comprises two sections arranged at an obtuse angle to each other, with the lower first section pointing toward the wire-feeding wheel 4.
[0045] The lower part of the wire-taking element 20 has two legs 30 and 31. Figure 3a and 3b On the left side, the support leg 30 can be seen merging with the upper part of the wire-taking element 20 at its upper end. At its upper end, the support leg 31 forms a lateral wire-passing opening 32. At their lower ends, the two support legs 30 and 31 meet and form a wire-guiding section 33 with a U-shaped ceramic eyelet 34.
[0046] The upper second section of the take-up element 20 includes a flat section 35 having an end section 36, which is, for example, T-shaped.
[0047] The lead-out element 21 is formed of an elongated element, such as a metal strip. It comprises three sections. The first and second sections are arranged at an obtuse angle, and the lower section points toward the lead-out device 4.
[0048] The lower first section of the outgoing element 21 has two legs 40 and 41. Figure 3a and 3b The leg 40, visible on the right, forms a lateral threading opening 42 at its upper end. The upper end of the leg 41 merges into the second section. The legs 40 and 41 meet at their lower ends, forming a wire guiding section 43 with a U-shaped ceramic eyelet 44.
[0049] The second part in the middle is the guide section 45, which has an elongated guide opening 46 that widens at both ends to form a locking opening 47.
[0050] The third section at the top of the outgoing element 21 is the end section 48, which extends vertically upward along the housing wall of the first housing portion 13 and the guide section 45 at an obtuse angle into the support unit 2.
[0051] In the online path, the lateral wire-passing opening 32 of the wire-taking element 20 is located on one side. Figure 3a , 3b The center is located on the left, while the transverse wire-passing opening 42 of the outgoing element 21 is located on the other side. Figure 3a , 3b The center is located on the right.
[0052] This allows the wire to be inserted into the lateral threading opening 32 with one hand, then placed below the exit sensor 22, and finally into the lateral threading opening 42 of the exit element 21.
[0053] Lateral wiring openings 32 and 42 are arranged near the support unit 2, in this case on the first housing portion 13.
[0054] The support unit 2 covers the area of the thread-passing opening 32 of the thread-taking element 20 on the side facing the thread-feeding wheel 4. The first housing portion 13 has a protrusion 13a that extends slightly beyond the second section of the thread-taking element 20.
[0055] A sliding element 50 is arranged on the second section of the lead-out element 21. The sliding element 50 is made of plastic. In its lower first section, the sliding element 50 is formed by two locking arms 51, each having an external clamping element 52 surrounding the second section of the lead-out element 21 and an internal locking lug 53 guided in a guide opening 46. The two positions of the sliding element 50 are defined by two locking openings 47 into which the locking lug 53 engages.
[0056] The second section of the sliding element 50 abuts the locking arm 51 and is designed to hold the section 54, terminating at the junction 55 surrounding the T-shaped end section 36 of the take-up element 20. The sliding element 50 defines a first position and a second position for the take-up element 20, the first position for smooth take-up, which can... Figure 3a , 4a As seen in 5a, the second position is used for steep line taking, which can be achieved in... Figure 3b , 4b See 5b.
[0057] Spring element 60 is configured to arrange wire take-up element 20 and wire exit element 21 on support unit 2, specifically on first housing portion 13. Spring element 60 is formed of an elongated element, such as a metal strip.
[0058] An elongated space with a bottom opening is formed in the first housing portion 13 of the support unit 2. The spring element 60, with its three lower sections 61, 62, and 63 arranged in a zigzag pattern under pretension, is placed in this space. The spring element 60 clamps the end section 48 of the lead element 21 onto the first housing portion 13 with its fourth section 64, which is adjacent to the first housing portion 13 at the top.
[0059] In its fifth part, which is not shown in the figure, the spring element 60 is fixed to the support unit 2.
[0060] In its second part 62, the spring element 60 has a guide for the T-shaped end section 36 of the take-up element 20, which extends in the extension of the second section of the lead-out element 21. The guide is formed, for example, by a narrow opening in the T-shaped end section 36.
[0061] The joint 55 of the sliding element 50 surrounds the T-shaped end section 36 of the wire taking element 20.
[0062] When the sliding element 50 is at the first position on the wire-out element 21 for gently taking the wire ( Figure 3a , 4a When moved to the second position, the engagement portion 55 engages the T-shaped end section 36 of the wire-taking element 20 and moves it along the guide of the second section 62 of the spring element 60 to the second position of the sliding element 50 for steep wire taking. Figure 3b , 4b 5b).
[0063] The second section 62 of the spring element 60, like the second section of the lead-out element 21 with the guide opening 46, extends at an angle to the vertical direction. The second section 62 of the spring element 60 is arranged near the lower end of the support unit 2.
[0064] Moving the T-shaped end section 36 of the take-up element 20 downward and backward along the inclined plane formed by the second section 62 of the spring element 60 causes the first section of the take-up element 20, which has the line guide portion 33, to pivot downward and forward. In other words, the downward and backward displacement of the sliding element 50 causes the line guide section 33 of the take-up element 20 to move downward and forward.
[0065] Figure Labels
[0066] 1. Wire feeding device
[0067] 2 Support Unit
[0068] 3 Fastening clamps
[0069] 4. Wire feed rollers
[0070] 5-axis
[0071] 6. Belt pulleys
[0072] 7. Control Unit
[0073] 8. Entrance holes
[0074] 9. Knot Catcher
[0075] 10-wire brake
[0076] 11. Entrance sensor
[0077] 12 support arms
[0078] 13 First shell section
[0079] 13a Protrusion of the first housing portion
[0080] 14 Second shell section
[0081] 20 Wire take-up components
[0082] 21 Outgoing components
[0083] 22. Exit Sensor
[0084] 30 Support legs of the wire taking element
[0085] 31 Support legs of the wire taking element
[0086] 32 Threading opening
[0087] 33. Transmission Section
[0088] 34 Ceramic Holes
[0089] 35 Flat Section
[0090] 36T-shaped end section
[0091] 40 Outgoing wire support legs
[0092] 41. Support legs of the outgoing wire element
[0093] 42 Threading opening
[0094] 43-line guide section
[0095] 44 Ceramic Holes
[0096] 45. Guiding Section
[0097] 46 Guide openings
[0098] 47 Locking Opening
[0099] 48 end sections
[0100] 50 Sliding element
[0101] 51 Locking Arm
[0102] 52 Clamping elements
[0103] 53. Locking lug
[0104] 54. Maintaining Section
[0105] 55 Joint
[0106] 60 Spring Components
[0107] 61 First Section
[0108] 62 Second Section
[0109] 63 Third Section
[0110] 64. Fourth Section
[0111] F line
Claims
1. A thread feeding device (1) for feeding thread (F) into a textile machine, comprising a support unit (2), a thread feeding wheel (4), and two thread guiding elements, the two thread guiding elements being arranged one after another on the support unit (2) along the thread path and located behind the thread feeding wheel (4). The wire feeding device has an outlet sensor (22) that is rotatably mounted on the support unit (2) and held in an operating position between two wire guiding elements by the wire (F) during operation. Two of the wire guiding elements are designed as a wire taking element (20) and a wire exiting element (21). Each of the wire taking element (20) and wire exiting element (21) has an elongated element with an inlet orifice. Each elongated element is divided into two legs (30, 31; 40, 41) in its lower section, forming a lateral wire-passing opening between the two legs (30, 31; 40, 41). The two legs (30, 31; 40, 41) are connected at their lower ends to form a wire guiding section. The lateral wire-passing opening (32) of the wire-taking element (20) is arranged on one side of the wire path, and the lateral wire-passing opening (42) of the wire-exiting element (21) is arranged on the other side.
2. The wire feeding device (1) according to claim 1, characterized in that, The lateral wire-passing opening (32) of the wire-taking element (20) and the lateral wire-passing opening (42) of the wire-exiting element (21) are arranged in the area of the support unit (2).
3. The wire feeding device (1) according to claim 1 or 2, characterized in that, The support unit (2) has a protrusion (13a) that covers the area of the lateral threading opening (32) of the wire take-up element (20) on the side facing the wire feed wheel (4).
4. The wire feeding device (1) according to claim 1 or 2, characterized in that, The wire taking element (20) is adjustablely disposed on the support unit (2).
5. The wire feeding device (1) according to claim 4, characterized in that, The wire taking element (20) is disposed on the sliding element (50).
6. The wire feeding device (1) according to claim 5, characterized in that, The lead-out element (21) has a guide for the sliding element (50).
7. The wire feeding device (1) according to claim 5 or 6, characterized in that, The lead-out element (21) has at least two locking openings (47) for the sliding element (50).
8. The wire feeding device (1) according to claim 5 or 6, characterized in that, The lead-out element (21) is mounted on the support unit (2) via a spring element (60), the spring element (60) having guides for the lead-out element (20) and the sliding element (50).
9. The wire feeding device (1) according to claim 8, characterized in that, The take-up element (20) has a first section and a second section arranged at an obtuse angle to each other, and the section (62) of the spring element (60) having a guide for the take-up element (20) extends at an angle relative to the vertical direction near the lower end of the support unit (2), such that when the second section of the take-up element (20) is moved downward and backward along the section (62) of the spring element (60), the first section of the take-up element (20) having the line guide portion (33) moves downward and forward.