Positive yarn conveyor with adjustable rotating speed

Abstract

The utility model discloses a rotating speed adjustable positive type yarn conveyor, and relates to the technical field of yarn conveyors, in particular to a rotating speed adjustable positive type yarn conveyor which comprises a supporting plate and a yarn winding wheel, a servo motor is installed behind the supporting plate, and a cavity disc is installed at the output end of the servo motor. According to the rotating-speed-adjustable positive type yarn conveying device, through the arrangement of the cavity disc, the annular sliding block, the two-way screw rod, the threaded ring block, a positioning sliding block, a limiting block, an adjusting block, a contraction spring, a pulling plate, a clamping block and a positioning block, the rotating-speed-adjustable positive type yarn conveying device has the effect that a yarn winding wheel is convenient to disassemble and replace, and the positioning block plays a role in positioning and mounting; according to the yarn winding device, the limiting effect is achieved through the limiting block, the installation stability is improved through the clamping block, on the contrary, the yarn winding wheel can be rapidly disassembled conveniently, the rotating speed of the servo motor is changed, then the yarn outputting and releasing speed is adjusted, the annular sliding block has the auxiliary rotating effect, and the purpose of improving practicability is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of yarn feeders, in particular to a positive yarn feeder with adjustable speed. Background Art

[0002] The yarn feeder is an important part of the textile machine to stabilize the yarn feeding tension, so that the yarn can enter the weaving area continuously and smoothly, ensuring that the fabric will not have quality problems due to uneven tension. Since the yarn consumption of each path during knitting computer jacquard large circular machine may be different and intermittent, most of the yarn feeders used in existing knitting computer jacquard large circular machine are negative yarn feeders.

[0003] The speed-adjustable active yarn feeder in the prior art is not convenient for disassembling and replacing the yarn winding wheel after the yarn on the yarn winding wheel is released, which affects the work efficiency. In addition, the existing speed-adjustable active yarn feeder is not convenient for binding the yarn on the yarn winding wheel and has poor practicality. A speed-adjustable active yarn feeder is now invented to solve the above problems. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies of the prior art, the utility model provides a positive yarn feeder with adjustable speed, which solves the problems raised in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above purpose, the utility model is implemented through the following technical scheme: a speed-adjustable positive yarn feeder, including a support plate and a yarn winding wheel, a servo motor is installed at the back of the support plate, a cavity disk is installed at the output end of the servo motor, an annular slider is installed at the back of the cavity disk, a bidirectional screw is rotatably connected to the inside of the cavity disk through a bearing, a threaded ring block is transmission-connected to the outer surface of the bidirectional screw, a positioning slider is installed at the top and bottom of the threaded ring block, a limiting block is installed on one side of the threaded ring block, an adjusting block is installed at the end of the bidirectional screw, a contraction spring is installed on one side of the adjusting block, a pull plate is installed on one end of the contraction spring, a clamping block is installed on one side of the pull plate, a positioning block is installed at the back of the yarn winding wheel, a placement groove is provided in the front of the yarn winding wheel, a cavity is provided in the interior of the yarn winding wheel, a reset spring is provided in the interior of the cavity, an extrusion block is installed at the end of the reset spring, a push block is installed in the front of the extrusion block, and a convex slider is installed at the back of the extrusion block.

[0008] Optionally, a positioning groove having a depth in the up-down direction and a length in the left-right direction is provided inside the cavity disk, and the end of the positioning slider is located inside the positioning groove, and the positioning slider can slide along the length direction of the positioning groove.

[0009] Optionally, a positioning groove with a depth in the front-to-back direction is opened on the front of the cavity disk, and the end of the positioning block is inserted into the interior of the positioning groove.

[0010] Optionally, a side surface of the positioning block is provided with a limiting groove with a depth in the left-right direction, and an end of the limiting block is inserted into the limiting groove.

[0011] Optionally, a card slot with a depth in the left-right direction is formed on the outer surface of the cavity disk, and the end of the card block is inserted into the inside of the card slot.

[0012] Optionally, a convex slide groove with a depth in the front-to-back direction and a length in the left-to-right direction is opened at the back of the cavity, the end of the convex sliding block is located inside the convex slide groove, the convex sliding block can slide along the length direction of the convex slide groove, the end of the extrusion block is located inside the placement groove, and the cavity is respectively connected to the placement groove and the convex slide groove.

[0013] Optionally, an annular groove with a depth in the front-to-rear direction is opened in front of the support plate, the end of the annular slider is located inside the annular groove, the cross-sections of the annular slider and the annular groove are both convex, and the servo motor is electrically connected to an external power supply through a wire.

[0014] Optionally, a guide rod is installed on one side of the support plate, a guide ring is sleeved on the outer surface of the guide rod, an annular block is installed on the top of the guide ring, and a base plate is installed on the bottom of the support plate.

[0015] (III) Beneficial effects

[0016] The utility model provides a speed-adjustable positive yarn feeder, which has the following beneficial effects:

[0017] 1. The speed-adjustable positive yarn feeder has the effect of facilitating the disassembly and replacement of the winding wheel through the arrangement of the cavity disk, the annular slider, the bidirectional screw, the threaded ring block, the positioning slider, the limit block, the adjusting block, the contraction spring, the pull plate, the clamping block and the positioning block. The positioning and installation are performed by the positioning block, the limit block plays a limiting role, and the installation stability is improved by the clamping block. Conversely, the rapid disassembly of the winding wheel is convenient. The output and releasing speed of the yarn can be adjusted by changing the rotation speed of the servo motor. The annular slider plays a role of auxiliary rotation, thereby achieving the purpose of improving practicality.

[0018] 2. The speed-adjustable positive yarn feeder, through the setting of the reset spring, the extrusion block, the push block and the convex slider, makes it possible for the speed-adjustable positive yarn feeder to conveniently limit the position of the yarn on the winding wheel and facilitate the winding of the yarn. Through the cooperation of the extrusion block and the reset spring, it is convenient to limit the end of the yarn and facilitate the subsequent winding of the yarn, thereby achieving the purpose of improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

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

[0021] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0022] Figure 4 It is a schematic diagram of the structure of the utility model in a top view;

[0023] Figure 5 For this utility model Figure 4 The enlarged structural diagram at B in the middle;

[0024] Figure 6 It is a structural schematic diagram of a partial cross section of the utility model.

[0025] In the figure: 1. support plate; 2. yarn winding wheel; 3. servo motor; 4. cavity disk; 5. annular slider; 6. bidirectional screw; 7. threaded ring block; 8. positioning slider; 9. limit block; 10. adjustment block; 11. contraction spring; 12. pull plate; 13. clamping block; 14. positioning block; 15. reset spring; 16. extrusion block; 17. push block; 18. convex slider; 19. guide rod; 20. guide ring; 21. annular block; 22. bottom plate. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] Example 1

[0028] See also Figures 1 to 6The utility model provides a technical solution: a speed-adjustable positive yarn feeder, including a support plate 1 and a yarn winding wheel 2, a front face of the support plate 1 is provided with an annular slide groove with a depth in the front-to-back direction, the end of the annular slider 5 is located inside the annular slide groove, the cross-sections of the annular slider 5 and the annular slide groove are both convex, the servo motor 3 is electrically connected to the external power supply through a wire, a guide rod 19 is installed on one side of the support plate 1, a guide ring 20 is sleeved on the outer surface of the guide rod 19, an annular block 21 is installed on the top of the guide ring 20, a bottom plate 22 is installed on the bottom of the support plate 1, a servo motor 3 is installed at the back of the support plate 1, a cavity disk 4 is installed at the output end of the servo motor 3, a positioning slide groove with a depth in the up-down direction and a length in the left-right direction is provided inside the cavity disk 4, the end of the positioning slide block 8 is located inside the positioning slide groove, the positioning slide block 8 can slide along the length direction of the positioning slide groove, and the front face of the cavity disk 4 is provided with a There is a positioning groove with a depth in the front-to-back direction, the end of the positioning block 14 is inserted into the inside of the positioning groove, the outer surface of the cavity disk 4 is provided with a groove with a depth in the left-right direction, the end of the block 13 is inserted into the inside of the groove, an annular slider 5 is installed at the back of the cavity disk 4, the inside of the cavity disk 4 is rotatably connected with a bidirectional screw 6 through a bearing, the outer surface of the bidirectional screw 6 is transmission-connected with a threaded ring block 7, a positioning slider 8 is installed at the top and bottom of the threaded ring block 7, a limiting block 9 is installed on one side of the threaded ring block 7, an adjusting block 10 is installed at the end of the bidirectional screw 6, a contraction spring 11 is installed on one side of the adjusting block 10, a pull plate 12 is installed on one end of the contraction spring 11, a block 13 is installed on one side of the pull plate 12, a positioning block 14 is installed at the back of the winding wheel 2, a limiting groove with a depth in the left-right direction is opened on one side of the positioning block 14, and the end of the limiting block 9 is inserted into the inside of the limiting groove.

[0029] When in use, when outputting the yarn, the servo motor 3 drives the cavity disk 4 to rotate, which is convenient for releasing the yarn on the winding wheel 2. The annular slider 5 rotates with the rotation of the cavity disk 4, plays a role of auxiliary rotation, and changes the rotation speed of the servo motor 3 to change the speed of the winding wheel 2 outputting the yarn. When releasing the yarn, the yarn passes through the annular block 21, and the guide ring 20 can be positioned and moved along the length direction of the guide rod 19. The annular block 21 is convenient to move with the change of the yarn position. After the yarn on the winding wheel 2 is released, when replacing the winding wheel 2, the pull plate 12 is pulled to make the contraction spring 11 stretched by force, so that the end of the card block 13 leaves the card slot, and then the adjusting block 10 is rotated to rotate the bidirectional screw 6. The bidirectional screw 6 is transmission-connected to the threaded ring block 7, and the end of the positioning slider 8 is located inside the positioning slide slot, so that the screw The ring block 7 drives the positioning slider 8 and the limit block 9 to move, so that the end of the limit block 9 leaves the limit groove, and then the winding wheel 2 is moved to make the end of the positioning block 14 leave the positioning groove, which is convenient for the disassembly of the winding wheel 2. When the winding wheel 2 with yarn is installed, the winding wheel 2 is moved to make the end of the positioning block 14 inserted into the interior of the positioning groove. When the end of the positioning block 14 reaches the end of the positioning groove, the limit groove is aligned with the limit block 9, and the adjusting block 10 is rotated in the opposite direction to make the end of the limit block 9 inserted into the interior of the limit groove, which is convenient for limiting the position of the positioning block 14 and facilitating the installation of the winding wheel 2. At this time, the card block 13 is aligned with the card slot, and the pull plate 12 is released. Through the elastic contraction force of the contraction spring 11, the end of the card block 13 is inserted into the interior of the card slot, thereby improving the stability of the installation of the winding wheel 2 and improving practicality.

[0030] Example 2

[0031] See also Figures 1 to 6 The utility model provides a technical solution: a speed-adjustable positive yarn feeder, a placement groove is provided in front of the yarn winding wheel 2, a cavity is provided inside the yarn winding wheel 2, a convex slide groove with a depth in the front-to-back direction and a length in the left-to-right direction is provided behind the cavity, the end of the convex sliding block 18 is located inside the convex slide groove, the convex sliding block 18 can slide along the length direction of the convex slide groove, the end of the extrusion block 16 is located inside the placement groove, the cavity is respectively connected with the placement groove and the convex slide groove, a reset spring 15 is provided inside the cavity, an extrusion block 16 is installed at the end of the reset spring 15, a push block 17 is installed in front of the extrusion block 16, and a convex sliding block 18 is installed behind the extrusion block 16.

[0032] During use, when winding the yarn on the winding wheel 2, the push block 17 is pushed, so that the push block 17 drives the squeezing block 16 and the convex sliding block 18 to move, so that the convex sliding block 18 is positioned and moved along the length direction of the convex sliding groove, so that the reset spring 15 is forced to contract, and the end of the yarn is placed into the inside of the placement groove, so that the yarn abuts against the inner wall of the placement groove, and the push block 17 is released. Through the elastic tension of the reset spring 15, the squeezing block 16 abuts against the yarn, which is convenient for limiting the end of the yarn, facilitating the subsequent winding of the yarn on the winding wheel 2, and improving practicality.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. The speed-adjustable positive yarn feeder comprises a support plate and a yarn winding wheel, and is characterized in that: A servo motor is installed at the back of the support plate, a cavity disk is installed at the output end of the servo motor, an annular slider is installed at the back of the cavity disk, a bidirectional screw is rotatably connected to the inside of the cavity disk through a bearing, a threaded ring block is transmission-connected to the outer surface of the bidirectional screw, positioning sliders are installed at the top and bottom of the threaded ring block, a limiting block is installed on one side of the threaded ring block, an adjusting block is installed at the end of the bidirectional screw, a contraction spring is installed on one side of the adjusting block, a pull plate is installed at one end of the contraction spring, a clamping block is installed on one side of the pull plate, a positioning block is installed at the back of the winding wheel, a placement groove is provided in front of the winding wheel, a cavity is provided inside the winding wheel, a reset spring is arranged inside the cavity, an extrusion block is installed at the end of the reset spring, a push block is installed in front of the extrusion block, and a convex slider is installed at the back of the extrusion block.

2. The speed-adjustable positive yarn feeder according to claim 1, characterized in that: A positioning slot with a depth in the up-down direction and a length in the left-right direction is provided inside the cavity disk. The end of the positioning slider is located inside the positioning slot, and the positioning slider can slide along the length direction of the positioning slot.

3. The speed-adjustable positive yarn feeder according to claim 1, characterized in that: A positioning groove with a depth in the front-to-back direction is provided on the front of the cavity disk, and the end of the positioning block is inserted into the interior of the positioning groove.

4. The speed-adjustable positive yarn feeder according to claim 1, characterized in that: A limiting groove with a depth in the left-right direction is provided on one side of the positioning block, and the end of the limiting block is inserted into the inside of the limiting groove.

5. The speed-adjustable positive yarn feeder according to claim 1, characterized in that: The outer surface of the cavity disk is provided with a card slot with a depth in the left-right direction, and the end of the card block is inserted into the inside of the card slot.

6. The speed-adjustable positive yarn feeder according to claim 1, characterized in that: A convex slide groove with a depth in the front-to-back direction and a length in the left-to-right direction is provided at the back of the cavity. The end of the convex slider is located inside the convex slide groove. The convex slider can slide along the length direction of the convex slide groove. The end of the extrusion block is located inside the placement groove. The cavity is respectively connected to the placement groove and the convex slide groove.

7. The speed-adjustable positive yarn feeder according to claim 1, characterized in that: An annular groove with a depth in the front-to-back direction is provided in front of the support plate, the end of the annular slider is located inside the annular groove, the cross-sections of the annular slider and the annular groove are both convex, and the servo motor is electrically connected to an external power supply through a wire.

8. The speed-adjustable positive yarn feeder according to claim 1, characterized in that: A guide rod is installed on one side of the support plate, a guide ring is sleeved on the outer surface of the guide rod, an annular block is installed on the top of the guide ring, and a base plate is installed on the bottom of the support plate.

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