Novel yarn feeding nozzle structure

Abstract

The utility model provides a novel yarn feeding nozzle structure which comprises a yarn feeding ring and a yarn feeding nozzle base which is arranged at the upper end of the yarn feeding ring in a sliding mode and can slide left and right at the upper end of the yarn feeding ring when driven by external force. The yarn feeding nozzle comprises a yarn feeding nozzle base and a transition plate arranged on the yarn feeding nozzle base, and further comprises an extending part arranged at the right end of the transition plate and a flat-end set screw with the upper end in threaded connection to the yarn feeding nozzle base and the lower end abutting against the upper end face of the extending part, and when the angle of the transition plate on the yarn feeding nozzle base needs to be adjusted, the flat-end set screw is screwed in the forward direction through a tool; the transition plate is arranged on the yarn feeding nozzle base and gradually descends on the yarn feeding nozzle base so as to abut against the extending part to drive the transition plate to gradually swing leftwards at the lower end of the yarn feeding nozzle base, the swing amplitude of the transition plate on the yarn feeding nozzle base is controlled through the rotation amount of the flat-end set screw, the swing position of the transition plate does not need to be manually adjusted, and the angle of the transition plate on the yarn feeding nozzle base can be finely adjusted. And the angle deviation of the transition plate is not easily caused during hand adjustment, so that the adjustment precision of the transition plate can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of large circular knitting machines, in particular to a novel yarn feeding nozzle structure. Background Art

[0002] The yarn feeder, also known as the steel shuttle or yarn guide, is mainly used in circular knitting machines to feed the yarn directly to the knitting needles. There are many types and shapes of yarn feeders, including a single-hole yarn feeder and a two-hole and one-slot yarn feeder.

[0003] like Figure 1 As shown, the yarn feeding nozzle structure in the prior art includes a yarn feeding ring 1', a yarn feeding nozzle base 2' arranged on the yarn feeding ring 1', a fixing bolt 3' arranged between the yarn feeding ring 1' and the yarn feeding nozzle base 2' for fixing the yarn feeding nozzle base 2' to the yarn feeding ring 1', a transition plate 4' whose upper end can be rotatably arranged at the lower end of the yarn feeding nozzle base 2' and can swing left and right at the lower end of the yarn feeding nozzle base 2' when driven by an external force, and a slidable member 4' arranged on the left side of the transition plate 4' and can swing left and right at the lower end of the yarn feeding nozzle base 2' when driven by an external force. A yarn feeding plate 5' which can slide up and down on the left side of the transition plate 4', two connecting holes 6' opened at the lower end of the transition plate 4', connecting bolts 7' threadedly connected between the yarn feeding plate 5' and the connecting holes 6' for fixing the yarn feeding plate 5' to the transition plate 4' when the yarn feeding plate 5' slides up and down on the left side of the transition plate 4' to a predetermined position, a ceramic nozzle 8' arranged at the lower end of the yarn feeding plate 5', and the upper end of the transition plate 4' can be rotatably arranged on the lower end of the yarn feeding nozzle base 2' through a pin 9'.

[0004] When the angle of the transition plate on the yarn feeder nozzle base needs to be adjusted, it is usually necessary for the machine adjuster to manually adjust the swing position of the transition plate. However, the angle of the transition plate on the yarn feeder nozzle base cannot be finely adjusted during manual adjustment, which makes it easy to cause the angle of the transition plate to deviate during manual adjustment, thereby failing to improve the adjustment accuracy of the transition plate. Utility Model Content

[0005] The utility model aims to provide a novel yarn feeding nozzle structure in view of the defects and shortcomings of the prior art.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a novel yarn feeding nozzle structure, comprising a yarn feeding ring, a yarn feeding nozzle base slidably arranged on the upper end of the yarn feeding ring and used to slide left and right on the upper end of the yarn feeding ring when driven by an external force, a fixing member arranged between the yarn feeding nozzle base and the yarn feeding ring and used to fix the yarn feeding nozzle base on the yarn feeding ring after the yarn feeding nozzle base slides left and right on the upper end of the yarn feeding ring, a transition plate rotatably arranged at the lower end of the yarn feeding nozzle base and used to swing at the lower end of the yarn feeding nozzle base when driven by an external force, a yarn feeding plate slidably arranged on the left side of the transition plate and used to slide up and down on the left side of the transition plate when driven by an external force, and a fixing member arranged between the yarn feeding plate and the transition plate The cam is provided with a connecting piece for fixing the yarn feeding plate to the transition plate after the yarn feeding plate slides up and down on the left side of the transition plate, a ceramic mouth arranged at the lower end of the yarn feeding plate, and an extension part arranged at the right end of the transition plate and located below the yarn feeding mouth base, an upper end of which is threadedly connected to the yarn feeding mouth base and the lower end of which abuts against the upper end surface of the extension part, and a flat-end locking screw for gradually descending on the yarn feeding mouth base during positive rotation to abut against the extension part and drive the transition plate to gradually swing to the left at the lower end of the yarn feeding mouth base, the flat-end locking screw is located at the end away from the transition plate, the extension part is transversely arranged at the right end of the transition plate, and the upper end of the transition plate can be rotatably arranged on the lower end of the yarn feeding mouth base through a rotating shaft.

[0007] A further improvement is that the fixing part includes a threaded hole opened on the yarn feeding ring, a transverse displacement groove which passes through the upper end surface of the yarn feeding nozzle base and is located above the threaded hole and is arranged laterally, a screw is threadedly connected to the threaded hole and is located in the transverse displacement groove and has a head located above the yarn feeding nozzle base, and an avoidance groove is opened on the yarn feeding ring and is located on the outside of the flat-end fixing screw.

[0008] A further improvement is that the connecting piece includes a connecting screw threadedly connected between the transition plate and the yarn feeding plate for fixing or releasing the yarn feeding plate to the transition plate when driven by external force, and a longitudinal waist groove penetrating through the yarn feeding plate and longitudinally arranged for allowing the yarn feeding plate to slide longitudinally on the side end surface of the transition plate when the connecting screw releases the yarn feeding plate from the transition plate.

[0009] A further improvement is that a pushing member is arranged at the left end of the yarn feeding plate above the yarn feeding plate for pushing the yarn feeding plate to slide longitudinally on the transition plate when the yarn feeding plate is released from the transition plate by the connecting screws.

[0010] A further improvement is that the pushing member includes an inclined groove which is opened at the left end of the transition plate and is located above the yarn feeding plate and is obliquely arranged, and a pushing screw which is threadedly connected to the transition plate and is located in the inclined groove and is used to approach the end of the yarn feeding plate on the transition plate during forward rotation to push the yarn feeding plate to slide longitudinally downward on the transition plate.

[0011] A further improvement is that a friction increasing member for increasing the friction between the transition plate and the yarn feeding nozzle is arranged between the transition plate and the yarn feeding nozzle base.

[0012] A further improvement is that the friction-increasing component includes a receiving groove opened on the transition plate, a steel ball movably arranged on the transition plate and located in the receiving groove, and used to move in the receiving groove toward the side end surface of the yarn feeding nozzle base when driven by an external force, and a driving spring arranged between the steel ball and the transition plate and located in the receiving groove, and used to drive the steel ball to press against the side end surface of the yarn feeding nozzle base to increase the friction between the transition plate and the yarn feeding nozzle.

[0013] A further improvement is that: a positioning hole is provided on the yarn feeding nozzle base for engaging with a steel ball to position the transition plate when the transition plate rotates to a predetermined position.

[0014] A further improvement is that a U-shaped slot is provided at the lower end of the yarn feeding ring, and a clearance fit is formed between the extension portion and the U-shaped slot.

[0015] After adopting the above technical scheme, the beneficial effect of the utility model is as follows: when it is necessary to adjust the angle of the transition plate on the yarn feeding nozzle base, the flat-end fixing screw is turned forward by the tool to gradually lower it on the yarn feeding nozzle base, so as to push against the extension part to drive the transition plate to gradually swing to the left at the lower end of the yarn feeding nozzle base, and the swing amplitude of the transition plate on the yarn feeding nozzle base is controlled by the rotation amount of the flat-end fixing screw. There is no need to manually adjust the swing position of the transition plate, and the angle of the transition plate on the yarn feeding nozzle base can be finely adjusted. It is not easy to cause the angle of the transition plate to deviate during manual adjustment, and the adjustment accuracy of the transition plate can be improved.

[0016] Further effect: when the head of the cylindrical screw does not hit the upper end surface of the yarn feeding nozzle and the screw rod is located in the threaded hole, the yarn feeding nozzle base can be driven laterally by hand to make it move laterally on the upper end surface of the yarn feeding ring through the transverse movement groove. During this process, the flat-end locking screw moves laterally with the yarn feeding nozzle base in the avoidance groove. When the yarn feeding nozzle base needs to be fixed on the yarn feeding ring, the head of the cylindrical screw is turned to make its screw rod threaded in the threaded hole until the head of the cylindrical screw hits the upper end surface of the yarn feeding nozzle base, thereby fixing the yarn feeding nozzle base on the yarn feeding ring.

[0017] Further effect: when the extension part is located in the U-shaped slot, the U-shaped slot can limit the left and right ends of the extension part to prevent the extension part from swinging left and right, thereby improving the adjustment accuracy of the transition plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0019] Figure 1 It is a structural schematic diagram of a yarn feeding nozzle structure in the prior art;

[0020] Figure 2 It is a structural schematic diagram of the utility model;

[0021] Figure 3 It is a cutaway view of the utility model;

[0022] Figure 4 It is the installation structure diagram of the utility model;

[0023] Figure 5 It is a structural schematic diagram of a yarn feeding plate, an avoidance groove and a U-shaped clamping groove in the utility model.

[0024] Explanation of the reference numerals: yarn feeding ring 1, yarn feeding nozzle base 2, transition plate 3, yarn feeding plate 4, ceramic nozzle 5, extension part 6, flat-end set screw 7, rotating shaft 8, threaded hole 9, transverse displacement groove 10, cylindrical screw 11, avoidance groove 12, connecting screw 13, longitudinal waist groove 14, inclined groove 15, pushing screw 16, accommodating groove 17, steel ball 18, driving spring 19, positioning hole 20, U-shaped slot 21. DETAILED DESCRIPTION

[0025] The utility model is now further described in conjunction with the accompanying drawings and specific embodiments.

[0026] See also Figures 2 to 5As shown, the technical solution adopted in this specific embodiment is: a new type of yarn feeding nozzle structure, including a yarn feeding ring 1, a yarn feeding nozzle base 2 slidably arranged on the upper end of the yarn feeding ring 1 and used to slide left and right on the upper end of the yarn feeding ring 1 when driven by an external force, a fixing member arranged between the yarn feeding nozzle base 2 and the yarn feeding ring 1 and used to fix the yarn feeding nozzle base 2 to the yarn feeding ring 1 after the yarn feeding nozzle base 2 slides left and right on the upper end of the yarn feeding ring 1, a transition plate 3 rotatably arranged at the lower end of the yarn feeding nozzle base 2 and used to swing at the lower end of the yarn feeding nozzle base 2 when driven by an external force, a yarn feeding plate 4 slidably arranged on the left side of the transition plate 3 and used to slide up and down on the left side of the transition plate 3 when driven by an external force, and a fixing member arranged between the yarn feeding plate 4 and the transition plate 3 and used to fix the yarn feeding nozzle base 2 to the yarn feeding ring 1 after the yarn feeding nozzle base 2 slides left and right on the upper end of the yarn feeding ring 1 The yarn feeding plate 4 is fixed to the transition plate 3 by sliding up and down on the left side of the transition plate 3, and a connecting piece is provided on the transition plate 3 to fix the yarn feeding plate 4, a ceramic mouth 5 is arranged at the lower end of the yarn feeding plate 4, and also includes an extension part 6 arranged at the right end of the transition plate 3 and located below the yarn feeding mouth base 2, and a flat-end locking screw 7 whose upper end is threadedly connected to the yarn feeding mouth base 2 and whose lower end abuts against the upper end surface of the extension part 6, and is used for gradually descending on the yarn feeding mouth base 2 during forward rotation to abut against the extension part 6 to drive the transition plate 3 to gradually swing to the left at the lower end of the yarn feeding mouth base 2, the flat-end locking screw 7 is located at the end away from the transition plate 3, the extension part 6 is transversely arranged at the right end of the transition plate 3, and the upper end of the transition plate 3 is rotatably arranged at the lower end of the yarn feeding mouth base 2 through a rotating shaft 8.

[0027] The fixing part includes a threaded hole 9 opened on the yarn feeding ring 1, a transverse groove 10 which passes through the upper end surface of the yarn feeding nozzle base 2 and is located above the threaded hole 9 and is arranged transversely, a cylindrical screw 11 which is threadedly connected to the threaded hole 9 and is located in the transverse groove 10 and has its head located above the yarn feeding nozzle base 2, and an avoidance groove 12 opened on the yarn feeding ring 1 and located on the outside of the flat-end fixing screw 7.

[0028] The connecting member includes a connecting screw 13 which is threadedly connected between the transition plate 3 and the yarn feeding plate 4 and is used to fix or release the yarn feeding plate 4 on the transition plate 3 when driven by an external force, and a longitudinal waist groove 14 which is opened through the yarn feeding plate 4 and is longitudinally arranged and is used for allowing the yarn feeding plate 4 to slide longitudinally on the side end surface of the transition plate 3 when the connecting screw 13 releases the yarn feeding plate 4 from the transition plate 3.

[0029] The left end of the yarn feeding plate 4 is located above the yarn feeding plate 4 and is provided with a pushing member for pushing the yarn feeding plate 4 to slide longitudinally on the transition plate 3 when the connecting screws 13 release the yarn feeding plate 4 from being fixed on the transition plate 3.

[0030] The pusher comprises an inclined groove 15 which is opened at the left end of the transition plate 3 and is located above the yarn feeding plate 4 and is obliquely arranged, and a push screw 16 which is threadedly connected to the transition plate 3 and is located in the inclined groove 15 and is used to approach the end of the yarn feeding plate 4 on the transition plate 3 during forward rotation to push the yarn feeding plate 4 to slide longitudinally downward on the transition plate 3. The inclination angle of the inclined groove 15 is inclined from top to bottom toward the end of the yarn feeding plate 4.

[0031] A friction increasing member for increasing the friction between the transition plate 3 and the yarn feeding nozzle is arranged between the transition plate 3 and the yarn feeding nozzle base 2.

[0032] The friction increasing part includes a receiving groove 17 opened on the transition plate 3, a steel ball 18 movably arranged on the transition plate 3 and located in the receiving groove 17, and used to move in the receiving groove 17 toward the side end surface of the yarn feeding nozzle base 2 when driven by an external force, and a driving spring 19 arranged between the steel ball 18 and the transition plate 3 and located in the receiving groove 17, and used to drive the steel ball 18 to press against the side end surface of the yarn feeding nozzle base 2 to increase the friction between the transition plate 3 and the yarn feeding nozzle.

[0033] The yarn feeding nozzle base 2 is provided with a positioning hole 20 for engaging with the steel ball 18 to position the transition plate 3 when the transition plate 3 rotates to a predetermined position. The positioning hole 20 is provided on one side of the yarn feeding nozzle base 2 and below the rotating shaft 8.

[0034] A U-shaped slot 21 is provided at the lower end of the yarn feeding ring 1 , and a clearance fit is formed between the extension portion 6 and the U-shaped slot 21 . The U-shaped slot 21 is connected to the threaded hole 9 and the avoidance groove 12 .

[0035] The working principle of the utility model is as follows: when it is necessary to adjust the angle of the transition plate 3 on the yarn feeding nozzle base 2, the flat-end fixing screw 7 is screwed forward by a tool to gradually lower it on the yarn feeding nozzle base 2, so as to abut against the extension part 6 and drive the transition plate 3 to gradually swing to the left at the lower end of the yarn feeding nozzle base 2, and the swing amplitude of the transition plate 3 on the yarn feeding nozzle base 2 is controlled by the rotation amount of the flat-end fixing screw 7, and the swing position of the transition plate 3 does not need to be manually adjusted, and the angle of the transition plate 3 on the yarn feeding nozzle base 2 can be finely adjusted, and it is not easy to cause hand adjustment. The angle of the transition plate 3 is deviated, which can improve the adjustment accuracy of the transition plate 3; when it is necessary to adjust the lateral position of the yarn feeding nozzle base 2 on the upper end surface of the yarn feeding ring 1, the cylindrical screw 11 is screwed with a tool so that its head does not touch the upper end surface of the yarn feeding nozzle and the screw rod is located in the threaded hole 9, and the yarn feeding nozzle base 2 is driven horizontally by hand to make it move horizontally on the upper end surface of the yarn feeding ring 1 through the transverse movement groove 10. In this process, the flat-end set screw 7 moves horizontally with the yarn feeding nozzle base 2 in the avoidance groove 12. When it is necessary to fix the yarn feeding nozzle base 2 on the yarn feeding ring 1 When the yarn feeding ring 1 is on the yarn feeding ring 1, the head of the cylindrical screw 11 is screwed to make the screw part threaded in the threaded hole 9 until the head of the cylindrical screw 11 hits the upper end surface of the yarn feeding nozzle base 2, thereby fixing the yarn feeding nozzle base 2 on the yarn feeding ring 1; when it is necessary to adjust the longitudinal position of the transition plate 3 on the yarn feeding plate 4, the connecting screw 13 is screwed by a tool to make the head of the screw move away from the end of the transition plate 3. At this time, the tool can be used to forwardly screw the push screw 16 to make it approach the end of the yarn feeding plate 4 on the transition plate 3, and the yarn feeding is provided through the longitudinal waist groove 14. The plate 4 slides longitudinally on the side end surface of the transition plate 3 to push the yarn feeding plate 4 to slide longitudinally downward on the transition plate 3, so that the longitudinal position of the yarn feeding plate 4 on the side end surface of the transition plate 3 can be finely adjusted; when the transition plate 3 rotates around the rotating shaft 8 on the yarn feeding nozzle base 2, the driving spring 19 drives the steel ball 18 to press against the side end surface of the yarn feeding nozzle base 2, thereby increasing the friction between the transition plate 3 and the yarn feeding nozzle. When the transition plate 3 rotates to a predetermined position, the steel ball 18 engages with the positioning hole 20 to position the transition plate 3 on the yarn feeding nozzle base 2.

[0036] The utility model is intended to protect the structure of the product. The model of each component is not the content of the utility model, and it is also a known technology. As long as the components on the market can achieve the above functions of the utility model, they can be selected and applied as a new type of yarn feeding nozzle structure. Therefore, the model and other parameters of the components are not described in detail in this utility model. The contribution of the utility model lies in the scientific combination of various components.

[0037] The above shows and describes the basic principle and main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents. Anything not described in detail in the utility model is a well-known technology of those skilled in the art.

Claims

1. A novel yarn feeding nozzle structure, comprising a yarn feeding ring, a yarn feeding nozzle base slidably arranged at the upper end of the yarn feeding ring and used to slide left and right on the upper end of the yarn feeding ring when driven by an external force, a fixing member arranged between the yarn feeding nozzle base and the yarn feeding ring and used to fix the yarn feeding nozzle base on the yarn feeding ring after the yarn feeding nozzle base slides left and right on the upper end of the yarn feeding ring, a transition plate rotatably arranged at the upper end of the lower end of the yarn feeding nozzle base and used to swing at the lower end of the yarn feeding nozzle base when driven by an external force, a yarn feeding plate slidably arranged on the left side of the transition plate and used to slide up and down on the left side of the transition plate when driven by an external force, a connecting member arranged between the yarn feeding plate and the transition plate and used to fix the yarn feeding plate to the transition plate after the yarn feeding plate slides up and down on the left side of the transition plate, and a ceramic nozzle arranged at the lower end of the yarn feeding plate, characterized in that: The cam is provided with an extension portion at the right end of the transition plate and located below the yarn feeding nozzle base, an upper end of which is threadedly connected to the yarn feeding nozzle base and a lower end of which abuts against an upper end surface of the extension portion, and a flat-end set screw is used to gradually descend on the yarn feeding nozzle base during forward rotation to abut against the extension portion and drive the transition plate to gradually swing to the left at the lower end of the yarn feeding nozzle base, the flat-end set screw is located at the end away from the transition plate, the extension portion is transversely arranged at the right end of the transition plate, and the upper end of the transition plate is rotatably arranged at the lower end of the yarn feeding nozzle base through a rotating shaft.

2. A new yarn feeding nozzle structure according to claim 1, characterized in that: The fixing member includes a threaded hole formed on the yarn feeding ring, a transverse displacement groove formed on the upper end surface of the yarn feeding nozzle base and arranged transversely above the threaded hole, a screw threadedly connected to the threaded hole and located in the transverse displacement groove, and a cylindrical screw with a head located above the yarn feeding nozzle base, and an avoidance groove formed on the yarn feeding ring and located outside the flat-end set screw.

3. A new yarn feeding nozzle structure according to claim 1, characterized in that: The connecting member includes a connecting screw threadedly connected between the transition plate and the yarn feeding plate for fixing or releasing the yarn feeding plate on the transition plate when driven by external force, and a longitudinal waist groove penetrating through the yarn feeding plate and longitudinally arranged for allowing the yarn feeding plate to slide longitudinally on the side end surface of the transition plate when the connecting screw releases the yarn feeding plate from the transition plate.

4. A new yarn feeding nozzle structure according to claim 3, characterized in that: The left end of the yarn feeding plate is located above the yarn feeding plate and is provided with a pushing member for pushing the yarn feeding plate to slide longitudinally on the transition plate when the yarn feeding plate is released from being fixed on the transition plate by the connecting screws.

5. A new yarn feeding nozzle structure according to claim 4, characterized in that: The pushing member includes an inclined groove which is opened at the left end of the transition plate and is located above the yarn feeding plate and is obliquely arranged, and a pushing screw which is threadedly connected to the transition plate and is located in the inclined groove and is used for approaching the end of the yarn feeding plate on the transition plate during forward rotation to push the yarn feeding plate to slide longitudinally downward on the transition plate.

6. A new yarn feeding nozzle structure according to claim 1, characterized in that: A friction increasing member for increasing the friction between the transition plate and the yarn feeding nozzle is arranged between the transition plate and the yarn feeding nozzle base.

7. A new yarn feeding nozzle structure according to claim 6, characterized in that: The friction increasing part comprises a receiving groove opened on the transition plate, a steel ball movably arranged on the transition plate and located in the receiving groove, and used to move in the receiving groove toward the side end surface of the yarn feeding nozzle base when driven by an external force, and a driving spring arranged between the steel ball and the transition plate and located in the receiving groove, and used to drive the steel ball to press against the side end surface of the yarn feeding nozzle base to increase the friction between the transition plate and the yarn feeding nozzle.

8. A new yarn feeding nozzle structure according to claim 7, characterized in that: The yarn feeding nozzle base is provided with a positioning hole for engaging with a steel ball to position the transition plate when the transition plate rotates to a predetermined position.

9. A new yarn feeding nozzle structure according to claim 1, characterized in that: A U-shaped slot is formed at the lower end of the yarn feeding ring, and a clearance is formed between the extension portion and the U-shaped slot.

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