A knitting machine yarn quick change device

Abstract

The utility model relates to the technical field of knitting equipment, and disclose a kind of knitting large circular knitting machine yarn quick replacement device, the problem of current inconvenience to the quick replacement of winding drum is solved, it includes mounting plate, the outside of mounting plate is equipped with replacement mechanism, and limit mechanism is equipped on replacement mechanism, and replacement mechanism includes carousel located at the outside of mounting plate, and the side fixedly connected with driving shaft of carousel close to mounting plate, and the end fixedly connected with driving motor of driving shaft away from carousel, and driving motor is fixed on mounting plate, and multiple struts are fixedly connected with equal angle on carousel, and the end rotatably connected with side shaft of struts away from mounting plate, and the outside of side shaft is fixedly sleeved with mounting disc and sleeve block, and sleeve block is fixed on the side of mounting disc away from struts, and the outside of side shaft movably sleeved with winding drum;The utility model, the circumferential rotation of each winding drum is convenient, thereby also can switch after using or unused winding drum.

Description

Technical Field

[0001] This utility model belongs to the field of knitting equipment technology, specifically a quick yarn change device for a circular knitting machine. Background Technology

[0002] Circular knitting machines, also known as circular weft knitting machines, have seen rapid development due to their numerous loop-forming systems, high speed, high output, rapid pattern changes, good fabric quality, fewer processes, and strong product adaptability. In knitting production, the yarn feeder is indispensable, mainly providing yarn to the circular knitting machine to ensure its normal spinning production. The yarn feeder, as the basic component of yarn transport, directly affects production efficiency and fabric quality.

[0003] Currently, most mainstream pay-off devices use a yarn drum attached to the outer wall of the pay-off roller and fix it with bolts, clips, or other means. The drum is replaced when the yarn on it is exhausted. However, when the yarn is used up and the drum needs to be replaced, the disassembly of the fixing parts takes a long time, which significantly increases the downtime of the circular knitting machine and seriously affects the continuity of production. Utility Model Content

[0004] In view of the above situation and to overcome the defects of the prior art, this utility model provides a quick yarn change device for a circular knitting machine, which effectively solves the problem of the inconvenience of quickly changing the yarn spool.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a quick yarn changing device for a circular knitting machine, comprising a mounting plate, a changing mechanism on the outer side of the mounting plate, and a limiting mechanism on the changing mechanism;

[0006] The replacement mechanism includes a turntable located on the outside of the mounting plate. A drive shaft is fixedly connected to the side of the turntable closest to the mounting plate. A drive motor is fixedly connected to the end of the drive shaft away from the turntable. The drive motor is fixed to the mounting plate. Multiple support columns are fixedly connected at equal angles on the turntable. A side shaft is rotatably connected to the end of each support column away from the mounting plate. A mounting plate and a sleeve are fixedly sleeved on the outside of the side shaft. The sleeve is fixed to the side of the mounting plate away from the support columns. A cable reel is movably sleeved on the outside of the side shaft. The cable reel abuts against the sleeve. A positioning groove is provided on the side of the mounting plate closest to the cable reel. A positioning block is fixedly connected to the side of the cable reel closest to the mounting plate. The positioning block is inserted into the positioning groove.

[0007] Preferably, the end of the support column away from the side axis is provided with a ball bearing, and the side of the mounting plate near the turntable is fixedly connected with a mounting ring, with the ball bearing abutting against the mounting ring.

[0008] Preferably, a screw is rotatably connected to the outer side of the sleeve block, a handwheel is fixedly connected to the end of the screw away from the sleeve block, a threaded sleeve is threaded onto the outer side of the screw, an insert rod is fixedly connected to the outer side of the threaded sleeve, and a sliding groove is provided on the side of the mounting disc near the winding drum, with the threaded sleeve slidingly connected to the sliding groove.

[0009] Preferably, the outer side of the positioning block is provided with a socket, and the insertion rod is inserted into the socket.

[0010] Preferably, the limiting mechanism includes a side block fixed to the side of the mounting ring away from the mounting plate, an L-shaped rod fixedly connected between the side block and the mounting ring, a slider movably sleeved on the outer side of the L-shaped rod, a cylinder fixedly installed between the slider and the side block, and an abutment plate fixedly connected to the bottom of the slider, the abutment plate abutting against one of the support columns.

[0011] Preferably, an abutment ring is fixedly sleeved on the outer side of the L-shaped round rod, and the side of the slider away from the side block abuts against the abutment ring.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. Through the cooperation between the sleeve block, side shaft, positioning block, positioning groove, handwheel, screw, screw sleeve, slide groove, insertion rod and insertion hole, the cable reel can be quickly replaced. Through the cooperation between the drive motor, drive shaft, turntable, support column, ball and mounting ring, the circumferential rotation of each cable reel is facilitated, thus also allowing the switching of used or unused cable reels.

[0014] 2. The rotation angle of the turntable can be easily controlled by the cooperation between the cylinder, slider, L-shaped rod, abutment ring, abutment plate and support column, so that the required winding drum can be rotated to the required position. Attached Figure Description

[0015] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0016] In the attached diagram:

[0017] Figure 1 This is a schematic diagram of the quick yarn change device for a circular knitting machine according to this utility model.

[0018] Figure 2 This is a schematic diagram of the replacement mechanism of this utility model;

[0019] Figure 3 This is a schematic diagram of the installation disk structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the disassembled structure of the mounting plate and winding drum of this utility model;

[0021] Figure 5 This is a schematic diagram of the limiting mechanism of this utility model.

[0022] In the diagram: 1. Mounting plate; 2. Replacement mechanism; 201. Turntable; 202. Mounting ring; 203. Drive shaft; 204. Drive motor; 205. Ball bearing; 206. Support column; 207. Mounting disc; 208. Winding drum; 209. Side shaft; 2010. Positioning block; 2011. Insertion hole; 2012. Positioning groove; 2013. Insert rod; 2014. Handwheel; 2015. Screw; 2016. Slide groove; 2017. Screw sleeve; 2018. Sleeve block; 3. Limiting mechanism; 301. Side block; 302. L-shaped round rod; 303. Abutment ring; 304. Abutment plate; 305. Slider; 306. Cylinder. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0024] Example 1, by Figure 1 The present invention relates to a quick yarn changing device for a circular knitting machine, comprising a mounting plate 1, a changing mechanism 2 on the outer side of the mounting plate 1, and a limiting mechanism 3 on the changing mechanism 2.

[0025] Specifically, by Figure 2-4The replacement mechanism 2 includes a turntable 201 located outside the mounting plate 1. A drive shaft 203 is fixedly connected to the side of the turntable 201 near the mounting plate 1. A drive motor 204 is fixedly connected to the end of the drive shaft 203 away from the turntable 201. The drive motor 204 is fixed to the mounting plate 1. Multiple support columns 206 are fixedly connected to the turntable 201 at equal angles. A side shaft 209 is rotatably connected to the end of the support column 206 away from the mounting plate 1. A mounting plate 207 and a sleeve block 2018 are fixedly sleeved on the outside of the side shaft 209. The sleeve block 2018 is fixed to the side of the mounting plate 207 away from the support column 206. A cable reel 208 is movably sleeved on the outside of the side shaft 209. The cable reel 208 abuts against the sleeve block 2018. A positioning groove 2012 is provided on the side of the mounting plate 207 near the cable reel 208. A positioning block 2010 is fixedly connected to one side of 07. The positioning block 2010 is inserted into the positioning groove 2012. A ball bearing 205 is provided at the end of the support column 206 away from the side shaft 209. An installation ring 202 is fixedly connected to the side of the mounting plate 1 near the turntable 201. The ball bearing 205 abuts against the installation ring 202. A screw 2015 is rotatably connected to the outer side of the sleeve block 2018. A handwheel 2014 is fixedly connected to the end of the screw 2015 away from the sleeve block 2018. A screw sleeve 2017 is threaded onto the outer side of the screw 2015. An insertion rod 2013 is fixedly connected to the outer side of the screw sleeve 2017. A sliding groove 2016 is provided on the side of the mounting plate 207 near the winding drum 208. The screw sleeve 2017 is slidably connected to the sliding groove 2016. An insertion hole 2011 is provided on the outer side of the positioning block 2010. The insertion rod 2013 is inserted into the insertion hole 2011.

[0026] In use, the drive motor 204 is first started, which drives the drive shaft 203 to rotate and the turntable 201 to rotate. At the same time, each support column 206 rotates circumferentially, and each ball bearing 205 rolls on the mounting ring 202 to ensure the stability of the turntable 201 during rotation. This also drives each cable reel 208 to rotate circumferentially, allowing for the switching of used or unused cable reels 208. When the handwheel 2014 is rotated, the screw 2015 rotates, causing the screw sleeve 2017 to slide along the slide groove 2016. Simultaneously, the insertion rod 2013 moves until it disengages from the insertion hole 2011, allowing the cable reel 208 to be disassembled. When the handwheel 2014 is rotated again to insert the insertion rod 2013 into the insertion hole 2011, the cable reel 208 can be fixed in place. Finally, the cable reel 208 can be quickly replaced.

[0027] Specifically, by Figure 5The limiting mechanism 3 includes a side block 301 fixed to the side of the mounting ring 202 away from the mounting plate 1. An L-shaped rod 302 is fixedly connected between the side block 301 and the mounting ring 202. A slider 305 is movably sleeved on the outside of the L-shaped rod 302. A cylinder 306 is fixedly installed between the slider 305 and the side block 301. An abutment plate 304 is fixedly connected to the bottom of the slider 305. The abutment plate 304 abuts against one of the support columns 206. An abutment ring 303 is fixedly sleeved on the outside of the L-shaped rod 302. The side of the slider 305 away from the side block 301 abuts against the abutment ring 303.

[0028] In operation, the cylinder 306 is first activated, which drives the slider 305 to slide along the L-shaped rod 302 and moves the abutment plate 304 until the slider 305 abuts against the abutment ring 303. When the turntable 201 rotates, it drives each support column 206 to rotate circumferentially, so that the corresponding support column 206 abuts against the abutment plate 304, thereby controlling the rotation angle of the turntable 201, and finally causing the required winding drum 208 to rotate to the required position.

Claims

1. A quick yarn change device for a circular knitting machine, comprising a mounting plate (1), characterized in that: The mounting plate (1) is provided with a replacement mechanism (2) on its outer side, and a limiting mechanism (3) is provided on the replacement mechanism (2). The replacement mechanism (2) includes a turntable (201) located outside the mounting plate (1). A drive shaft (203) is fixedly connected to the side of the turntable (201) near the mounting plate (1). A drive motor (204) is fixedly connected to the end of the drive shaft (203) away from the turntable (201). The drive motor (204) is fixed on the mounting plate (1). Multiple support pillars (206) are fixedly connected at equal angles on the turntable (201). A side shaft (209) is rotatably connected to the end of the support pillar (206) away from the mounting plate (1). The outer side of the side shaft (209) is fixedly sleeved. There is an installation plate (207) and a sleeve (2018). The sleeve (2018) is fixed to the side of the installation plate (207) away from the support (206). A winding drum (208) is movably sleeved on the outside of the side shaft (209). The winding drum (208) abuts against the sleeve (2018). A positioning groove (2012) is provided on the side of the installation plate (207) near the winding drum (208). A positioning block (2010) is fixedly connected on the side of the winding drum (208) near the installation plate (207). The positioning block (2010) is inserted into the positioning groove (2012).

2. The yarn quick-change device for a circular knitting machine according to claim 1, characterized in that: The support column (206) is provided with a ball bearing (205) at one end away from the side shaft (209), and a mounting ring (202) is fixedly connected to the side of the mounting plate (1) near the turntable (201), with the ball bearing (205) abutting against the mounting ring (202).

3. The yarn quick-change device for a circular knitting machine according to claim 1, characterized in that: A screw (2015) is rotatably connected to the outer side of the sleeve (2018). A handwheel (2014) is fixedly connected to the end of the screw (2015) away from the sleeve (2018). A threaded sleeve (2017) is threaded onto the outer side of the screw (2015). A plug rod (2013) is fixedly connected to the outer side of the threaded sleeve (2017). A sliding groove (2016) is provided on the side of the mounting plate (207) near the winding drum (208). The threaded sleeve (2017) is slidably connected to the sliding groove (2016).

4. The quick yarn changing device for a circular knitting machine according to claim 1, characterized in that: The positioning block (2010) has a socket (2011) on its outer side, and the insertion rod (2013) is inserted into the socket (2011).

5. The quick yarn changing device for a circular knitting machine according to claim 1, characterized in that: The limiting mechanism (3) includes a side block (301) fixed to the side of the mounting ring (202) away from the mounting plate (1). An L-shaped rod (302) is fixedly connected between the side block (301) and the mounting ring (202). A slider (305) is movably sleeved on the outside of the L-shaped rod (302). A cylinder (306) is fixedly installed between the slider (305) and the side block (301). An abutment plate (304) is fixedly connected to the bottom of the slider (305). The abutment plate (304) abuts against one of the support columns (206).

6. The yarn quick-change device for a circular knitting machine according to claim 5, characterized in that: The outer side of the L-shaped round rod (302) is fixedly sleeved with an abutment ring (303), and the side of the slider (305) away from the side block (301) abuts against the abutment ring (303).

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