Adjustment device for needle cylinder alignment

Abstract

The present invention relates to the technical field of textile machinery, and in particular to an adjustment device for needle cylinder alignment. The present invention relates to an adjustment device for needle cylinder alignment, comprising a stop nut adjustment mechanism and an alignment adjustment mechanism, wherein the alignment adjustment mechanism comprises a main transmission shaft, an adjustment bolt is provided on the main transmission shaft, the adjustment bolt rotates synchronously with the main transmission shaft, the adjustment bolt comprises a first tooth segment and a second tooth segment, the first tooth segment is threadedly connected to a large tripod prime mover gear, the second tooth segment is connected to a stop nut, the stop nut is adjusted to move by a stop nut adjustment mechanism, the large tripod prime mover gear is connected to a worm gear via a flat key, and a worm structure is provided on one side of the worm gear. The present invention relates to an adjustment device for needle cylinder alignment, wherein the alignment adjustment mechanism is used to adjust the relative position of the upper and lower needle cylinders, and the stop nut adjustment mechanism is used to adjust the tightening and loosening of the stop nut.

Description

Technical Field

[0001] The present invention relates to the technical field of textile machinery, and in particular to an adjusting device for needle cylinder alignment. Background Art

[0002] Whether the relative position of the upper needle plate and the lower needle cylinder of the double-sided circular knitting machine is appropriate is directly related to the normal operation of the circular knitting machine and the quality of the product.

[0003] In the prior art, the lower needle cylinder is connected to the large disc gear and driven by the large disc prime mover gear. The upper needle disc is connected to the large tripod gear and driven by the large tripod prime mover gear. The large disc prime mover gear and the large tripod prime mover gear are connected to the main transmission shaft and rotate synchronously.

[0004] Specifically, Figure 1-2 The prior art uses set screws at locations A and B on the Da Ding prime mover gear to adjust the relative position of the needle disc and needle cylinder. Loosening the screw at location A and the nut at location B, and tightening the screw at location B, causes the Da Ding prime mover gear to rotate counterclockwise, thereby driving the upper needle disc clockwise via the Da Ding gear. Loosening the screw at location B and the nut at location A, and tightening the screw at location A, causes the Da Ding prime mover gear to rotate clockwise, thereby driving the upper needle disc counterclockwise via the Da Ding gear. Since the position of the lower needle cylinder remains unchanged, the relative position of the upper needle disc and lower needle cylinder changes.

[0005] The drawbacks of the existing technology are: 1. It requires one worker to adjust the screws on the top of the machine, and another worker to observe the relative position of the upper needle plate and the lower needle cylinder on the bottom surface and direct the worker who adjusts the screws, which wastes manpower. 2. The existing technology cannot be applied to automatic control technology. Summary of the Invention

[0006] The present invention hopes to provide a device for adjusting the alignment of a needle cylinder, and the specific scheme is as follows:

[0007] A device for adjusting the alignment of a syringe comprises a stop nut adjustment mechanism and an alignment adjustment mechanism, the alignment adjustment mechanism comprising a main transmission shaft, an adjustment bolt being provided on the main transmission shaft, the adjustment bolt rotating synchronously with the main transmission shaft, the adjustment bolt comprising a first tooth segment and a second tooth segment, the first tooth segment being threadedly connected to a large tripod prime mover gear, the second tooth segment being connected to a stop nut, the stop nut being adjusted in motion by the stop nut adjustment mechanism, the large tripod prime mover gear being connected to a worm gear via a flat key, and a worm structure being provided on one side of the worm gear.

[0008] The adjusting nut is connected to the main transmission shaft via a screw and a washer, and can prevent the adjusting stud from axially moving.

[0009] The first tooth segment is a coarse tooth segment, and the second tooth segment is a fine tooth segment. The thread designed with two pitches can effectively prevent loosening.

[0010] The active rotating shaft is provided with a shaft sleeve, which is matched with the driving gear of the large tripod to play the role of positioning and reducing sliding friction.

[0011] The worm structure comprises a worm, and spacers and bearings are provided on both sides of the worm.

[0012] The stop nut adjustment mechanism includes a base, a cover plate and a movable motor base provided on the base, a reduction motor provided on the motor base, an adjustment base provided at one end of the reduction motor, a plurality of ejector rod openings provided on the adjustment base, ejector rods provided within the ejector rod openings, and a plurality of cutouts provided on the stop nut, the cutouts and ejector rods being arranged in cooperation with each other. Specifically, the motor base can move up and down, thereby driving the reduction motor, which in turn drives the adjustment base up and down, and finally the ejector rods can also move up and down. When the ejector rods are inserted into the cutouts, the reduction motor rotates, which in turn drives the ejector rods, thereby rotating the stop nut.

[0013] The base is provided with a first vent hole, and the cover is provided with a second vent hole. The first and second vent holes are arranged in coordination with the motor base. When air is admitted through the first vent hole, the notches of the push rod and the stop nut are separated, and when air is admitted through the second vent hole, the notches of the push rod and the stop nut are engaged.

[0014] A spring is provided between the push rod and the motor seat, and the spring can press the push rod into the notch.

[0015] The present invention provides a device for adjusting the alignment of needle cylinders, wherein the alignment adjustment mechanism is used to adjust the relative position of the upper and lower needle cylinders, and the stop nut adjustment mechanism is used to adjust the tightening and loosening of the stop nut. The alignment adjustment mechanism operates as follows: when the worm is rotated clockwise (counterclockwise), the worm wheel rotates counterclockwise (clockwise), and the large tripod driving gear also rotates counterclockwise (clockwise). At this time, the large tripod gear rotates clockwise (counterclockwise) and synchronously drives the upper needle plate to rotate clockwise (counterclockwise), thereby adjusting the relative position of the upper needle plate and the lower needle cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Illustration of existing technology Figure 1 ;

[0017] Figure 2 Illustration of existing technology Figure 2 ;

[0018] Figure 3 This is a schematic diagram of the structure of a needle cylinder alignment adjustment device of the present invention. Figure 1 ;

[0019] Figure 4 This is a schematic diagram of the structure of a needle cylinder alignment adjustment device of the present invention. Figure 2 ;

[0020] Figure 5 This is a schematic diagram of the structure of a needle cylinder alignment adjustment device of the present invention. Figure 3 ;

[0021] Figure 6 This is a schematic diagram of the structure of a needle cylinder alignment adjustment device of the present invention. Figure 4 ;

[0022] Figure 7 This is a partial structural diagram of an adjustment device for needle cylinder alignment according to the present invention. Figure 1 ;

[0023] Figure 8 This is a partial structural diagram of an adjustment device for needle cylinder alignment according to the present invention. Figure 2 ;

[0024] Figure 9 This is a partial structural diagram of an adjustment device for needle cylinder alignment according to the present invention. Figure 3 ;

[0025] The numbers are as follows: 1. Alignment adjustment mechanism; 11. Main transmission shaft; 12. Bushing; 13. Big tripod prime mover gear; 14. Stop nut; 15. Adjustment stud; 16. Gasket; 17. Screw; 18. Worm gear; 19. Worm; 110. Spacer; 111. Bearing; 112. Flat key; 2. Stop nut adjustment mechanism; 21. Base; 22. Motor base; 23. Push rod; 24. Adjustment base; 25. Cover plate; 26. Spring; 27. Reducer motor; 28. First vent; 29. Second vent. DETAILED DESCRIPTION

[0026] The following combination Figure 3-9 For further explanation:

[0027] A device for adjusting the alignment of a needle cylinder comprises an alignment adjustment mechanism 1 and a stop nut adjustment mechanism 2. The alignment adjustment mechanism 1 is used to adjust the relative position of the upper and lower needle cylinders. The stop nut adjustment mechanism 2 is used to adjust the tightening and loosening of the stop nut 14.

[0028] The alignment adjustment mechanism 1 includes a main drive shaft 11, a sleeve 12, a large tripod driving gear 13, a stop nut 14, an adjusting stud 15, a washer 16, a screw 17, a worm gear 18, a worm 19, a spacer 110, a bearing 111, and a key 112. The sleeve 12 is connected to the main drive shaft 11 with an interference fit, preventing rotation or axial movement. The large tripod driving gear 13 is connected to the sleeve 12 with a clearance fit, allowing rotation around the axis and axial movement. The coarse thread section (i.e., the first thread section) of the adjusting stud 15 is threadedly connected to the large tripod driving gear 13. The inner hole of the adjusting stud 15 is connected to the square shaft section of the main drive shaft 11. The adjusting stud 15 is connected to the main drive shaft 11 and rotates synchronously with the main drive shaft 11. The adjusting stud 15 is connected to the main rotating shaft 11 via a washer 16 and a screw 17, preventing axial movement of the adjusting stud 15. A stop nut 14 is connected to the fine-threaded section (i.e., the second threaded section) of the adjusting stud 15, securing the large tripod's driving gear 13. A worm gear 18 is connected to the large tripod's driving gear 13 via a flat key 112, allowing it to move up and down relative to the large tripod's driving gear 13. A worm 19 is mounted on the large tripod, with bearings 111 and spacers 110 installed at each end.

[0029] The top of the main transmission shaft 11 is a square shaft (the rest of the structure is basically the same as the prior art), which cooperates with the inner hole of the adjustment stud 15. However, it is not limited to a square shape, and can also be other forms such as splines or round shafts that can connect the adjustment stud 15 and the main transmission shaft 11 together.

[0030] The adjusting stud 15 has a first tooth segment (coarse) and a second tooth segment (fine). The coarse tooth segment is connected to the large tripod driving gear 13, and the fine tooth segment is connected to the stop nut 14. The thread designed with two pitches can effectively prevent the stop nut 14 from loosening.

[0031] The driving gear 13 of the big tripod has a coarse thread in the inner hole, which is connected to the adjusting stud 15. The lower end cooperates with the axle sleeve 12 to play a positioning effect and reduce the sliding friction.

[0032] The inner hole of the stop nut 14 is a fine-pitch thread and has four notches on the outer circumference. When the push rod 23 on the stop nut adjustment mechanism 2 is embedded in the notches, the reduction motor 27 can drive the stop nut 14 to rotate.

[0033] The stop nut adjustment mechanism 2 comprises a base 21, a motor base 22, a push rod 23, an adjustment base 24, a cover plate 25, a spring 26, and a reduction motor 27. The stop nut adjustment mechanism 2 is mounted on the tripod. A first vent hole 28 and a second vent hole 29 control the raising and lowering of the motor base. Air in the first vent hole 28 raises the motor base 22, while air in the second vent hole 29 lowers it. Push rod 23 fits within the push rod hole in the adjustment base 24 and is held in place by a spring 26.

[0034] Specific implementation:

[0035] First, the shaft sleeve 12 is sleeved on the main transmission shaft 11 , and the shaft sleeve 12 and the main transmission shaft 11 are in interference fit.

[0036] Then insert the adjusting screw 15 into the main transmission shaft 11 .

[0037] Then screw the driving gear 13 and the stop nut 14 into the adjusting stud 15 in sequence.

[0038] Connect it to the main transmission shaft 11 with a washer 16 and a screw 17 and tighten the adjusting stud 15.

[0039] Since the pitches of the coarse thread segment and the fine thread segment are different, the effect of locking the driving gear 13 of the large tripod can be effectively achieved.

[0040] The worm wheel 18 is inserted into the large tripod prime mover gear 13, and connected with a flat key 112. The worm 19 is inserted into the large tripod mounting hole, and bearing 111 and spacer 110 are loaded into it in sequence.

[0041] Finally, the various parts of the stop nut adjustment mechanism 2 are assembled in place in sequence.

[0042] When the circular knitting machine is in normal working state, the first vent hole 28 is ventilated, the motor base 22 is at the upper end, and the push rod 23 and the cutout of the stop nut 14 are in a separated state.

[0043] When it is necessary to adjust the relative positions of the upper and lower syringes, the second vent hole 29 is ventilated, the motor seat 22 drops to the bottom, the push rod 23 presses the upper end of the stop nut 14, and retracts into the push rod hole of the adjustment seat 24. When the reduction motor 27 rotates to the position where the push rod 23 is relative to the notch of the stop nut 14, the spring 26 presses the push rod 23 into the notch, and the stop nut 14 can be loosened by rotating the reduction motor 27.

[0044] Rotate the worm 19 clockwise (counterclockwise), and the worm wheel 18 rotates counterclockwise (clockwise), and the large tripod driving gear 13 also rotates counterclockwise (clockwise). At this time, the large tripod gear rotates clockwise (counterclockwise) and synchronously drives the upper needle plate to rotate clockwise (counterclockwise), adjusting the relative position of the upper needle plate and the lower needle cylinder.

[0045] After the adjustment is in place, the stop nut 14 is tightened by the reduction motor 27, and the first vent hole 28 is ventilated to separate the push rod from the stop nut 14, thus completing the adjustment.

[0046] With this solution, workers can observe the relative positions of the upper needle disc and the lower needle cylinder from the ground during debugging. Moreover, since the stop nut 14 and the worm 19 are in the decoupling position, there is a large space for installing the reduction motor 27 to drive the worm 19 and realize electric control.

[0047] The above are examples of preferred embodiments of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications of the ratios or reaction conditions can be made without departing from the principles of the present invention. These improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A device for adjusting the position of a needle cylinder, characterized in that: It includes a stop nut adjustment mechanism and an alignment adjustment mechanism. The alignment adjustment mechanism includes a main transmission shaft. The main transmission shaft is provided with an adjustment stud. The adjustment stud rotates synchronously with the main transmission shaft. The adjustment stud includes a first tooth segment and a second tooth segment. The first tooth segment is threadedly connected to the large tripod driving gear. The second tooth segment is connected to the stop nut. The stop nut is adjusted to move by the stop nut adjustment mechanism. The large tripod driving gear is connected to the worm gear through a flat key. A worm structure is provided on one side of the worm gear. The stop nut adjustment mechanism includes a base, a cover plate and a movable motor seat are provided on the base, a reduction motor is provided on the motor seat, an adjustment seat is provided at one end of the reduction motor, a plurality of ejector rod openings are provided on the adjustment seat, and ejector rods are provided in the ejector rod openings. The stop nut is provided with a plurality of cutouts, and the cutouts and the ejector rods are arranged in cooperation with each other; The base is provided with a first vent hole, the cover is provided with a second vent hole, and the first vent hole and the second vent hole are arranged in coordination with the motor base.

2. The adjustment device for needle cylinder alignment according to claim 1, characterized in that: The adjusting stud is connected to the main transmission shaft through screws and washers.

3. The adjustment device for needle cylinder alignment according to claim 1, characterized in that: The first tooth segment is a coarse tooth segment, and the second tooth segment is a fine tooth segment.

4. The adjustment device for needle cylinder alignment according to claim 1, characterized in that: A shaft sleeve is provided on the main transmission shaft, and the shaft sleeve is matched with the large tripod driving gear.

5. The adjustment device for needle cylinder alignment according to claim 1, characterized in that: The worm structure comprises a worm, and spacers and bearings are provided on both sides of the worm.

6. The adjustment device for needle cylinder alignment according to claim 1, characterized in that: A spring is provided between the push rod and the motor seat.

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