Needle grinding device of napping machine

Abstract

The utility model provides a needle grinding device of a napping machine, which relates to the technical field of textile machinery and comprises a mounting plate, a support beam is fixed on the mounting plate, a guide shaft is rotatably connected onto the support beam, walking rollers are mounted at the upper end and the lower end of the guide shaft, and a grinding mechanism is rotatably connected onto the mounting plate. The grinding mechanism comprises a driving motor, a grinding main shaft and a grinding disc, a walking mechanism is connected between the grinding main shaft and the guide shaft, the walking mechanism comprises a driving bevel gear, two symmetrically-arranged transmission bevel gears, a reversing ring and a reversing mechanism, and the two transmission bevel gears are symmetrically meshed with the upper side and the lower side of the driving bevel gear. According to the utility model, the walking roller can be driven by the walking mechanism to automatically translate on the guide roller of the napping machine, so that the grinding of the needle roller is more uniform.

Description

Technical Field

[0001] This utility model relates to the field of textile machinery technology, specifically to a needle grinding device for a napping machine. Background Technology

[0002] One of the core components of a napping machine is the needle roller, which is a rotating roller in the napping machine covered with dense steel needles. It hooks and pulls the fibers on the surface of the fabric by rotating at high speed. The needle type, density layout, and tilt angle setting directly determine the napping effect. The wear of the needle tips has a chain reaction on production quality, efficiency, and equipment safety. Regular needle sharpening is the core maintenance method to ensure quality and efficiency.

[0003] The invention patent with application number CN202310695937.4 discloses a portable grinding needle for a napping machine needle roller. The driving motor drives the active pulley to rotate, and the active pulley drives the driven pulley and the rotating main shaft to rotate through the belt. The rotating grinding disc grinds the needle roller. However, the grinding device needs to be moved manually by the operator during the grinding operation. It is difficult to control the speed of the movement, which will cause uneven grinding of the needle roller and affect the napping effect. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a needle grinding device for a napping machine, which solves the problems mentioned in the background section.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A brushing machine grinding needle includes a mounting plate with a support beam fixed on it. A guide shaft is rotatably connected to the support beam, and traveling rollers are mounted at both ends of the guide shaft. A mounting bracket is provided in the middle of the mounting plate, and a grinding mechanism is rotatably connected to the mounting bracket. The grinding mechanism includes a drive motor fixed on the mounting bracket, a grinding spindle rotatably connected to the mounting bracket, a plurality of grinding discs fixed on the grinding spindle, and a transmission pulley fixed in the middle of the grinding spindle. A drive pulley is fixed to the output end of the drive motor, and a transmission belt is sleeved between the drive pulley and the transmission pulley. A traveling mechanism is connected between the grinding spindle and the guide shaft.

[0009] Preferably, the mounting bracket has a mounting opening in the middle for mounting the walking mechanism, and mounting beams are provided on both sides of the mounting opening. The walking mechanism includes a drive bevel gear fixed to the end of the grinding spindle and a transmission assembly connected to the guide shaft. The drive bevel gear and the transmission assembly mesh with each other.

[0010] Preferably, the transmission assembly includes two symmetrically arranged transmission bevel gears, a reversing ring slidably sleeved on the guide shaft, and a reversing mechanism connected to the reversing ring. A connecting cylinder is fixed on the mounting beam. A sliding sleeve is integrally formed on the side of the transmission bevel gear facing the mounting beam. The sliding sleeve is rotatably connected to the connecting cylinder. The two transmission bevel gears are symmetrically meshed on the upper and lower sides of the drive bevel gear. Several limiting protrusions are provided on both sides of the reversing ring. A limiting groove that mates with the limiting protrusions is provided on the inner side of the transmission bevel gear.

[0011] Preferably, the commutation mechanism includes a commutation motor fixed on a mounting plate, a commutation screw fixed on the output end of the commutation motor, and a commutation paddle threadedly connected to the commutation screw. The outer edge of the commutation ring is provided with a commutation ring groove, and the commutation paddle is inserted into the commutation ring groove.

[0012] Preferably, the guide shaft has a plurality of axially extending spline grooves in the middle, and the inner wall of the reversing ring is provided with a plurality of spline strips, which are slidably inserted into the spline grooves with a concave-convex fit.

[0013] (III) Beneficial Effects

[0014] This utility model provides a needle grinding device for a napping machine. It has the following beneficial effects:

[0015] 1. In this utility model, the drive motor drives the grinding disc to rotate while grinding the needle roller, and drives the guide shaft to rotate through the grinding main shaft, thereby providing the driving force for the traveling roller to move on the guide roller of the roughening machine, so that it can automatically move at a uniform speed while grinding, thereby improving the uniformity of the needle roller grinding.

[0016] 2. In this utility model, the rotation of the reversing motor can cause the reversing paddle to move horizontally on the guide shaft, thereby changing the position of the reversing ring. By engaging with one of the two transmission bevel gears through the limiting protrusion, one of the transmission bevel gears can be connected to the guide shaft, causing the guide shaft to rotate in different directions. This allows the traveling roller to slide in different directions on the guide roller of the brushing machine, achieving reciprocating grinding. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of a grinding needle for a napping machine according to the present invention;

[0018] Figure 2 This is a cross-sectional view of the grinding needle device in this utility model;

[0019] Figure 3 This is a schematic diagram of the walking mechanism in this utility model.

[0020] Figure 4 This is a schematic diagram of the commutation ring in this utility model.

[0021] In the diagram: 1. Mounting plate; 2. Support beam; 3. Guide shaft; 4. Traveling roller; 5. Mounting bracket; 6. Drive motor; 7. Grinding spindle; 8. Mounting beam; 9. Connecting cylinder; 10. Drive bevel gear; 11. Transmission bevel gear; 12. Reversing ring; 13. Sliding sleeve; 14. Limiting protrusion; 15. Reversing motor; 16. Reversing screw; 17. Reversing paddle; 18. Grinding disc. Detailed Implementation

[0022] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0023] This utility model embodiment provides a needle grinding device for a napping machine, such as... Figure 1-4 As shown, the system includes a mounting plate 1, a handle fixed to the rear side of the mounting plate 1, a support beam 2 fixed to the front side of the mounting plate 1, a guide shaft 3 rotatably connected to the support beam 2, and traveling rollers 4 mounted at the upper and lower ends of the guide shaft 3. The outer edge of the traveling rollers 4 is provided with grooves for covering the outer side of the guide rollers of the brushing machine. A mounting bracket 5 is provided in the middle of the mounting plate 1, and a grinding mechanism is rotatably connected to the mounting bracket 5. The grinding mechanism includes a drive motor 6 fixed to the mounting bracket 5, a grinding spindle 7 rotatably connected to the mounting bracket 5, several grinding discs 18 fixed to the grinding spindle 7, and a transmission pulley fixed in the middle of the grinding spindle 7. A drive pulley is fixed to the output end of the drive motor 6, and a transmission belt is sleeved between the drive pulley and the transmission pulley. The operator can hold the handle and press the traveling rollers 4 against the guide rollers of the brushing machine, maintaining a certain pressure to ensure that the grinding pressure of the grinding discs on the needle rollers has been completed.

[0024] like Figure 1-3As shown, the mounting bracket 5 has a mounting opening in the middle for mounting the traveling mechanism. Mounting beams 8 are provided on both sides of the mounting opening. A connecting cylinder 9 is fixed to the inner side of the mounting beams 8. A rotating ring groove is provided on the outer edge of the connecting cylinder 9. A traveling mechanism is connected between the grinding spindle 7 and the guide shaft 3. The traveling mechanism includes a drive bevel gear 10 and a transmission assembly. The drive bevel gear 10 is fixed to the end of the grinding spindle 7. The transmission assembly is connected to the guide shaft 3. The transmission assembly includes two symmetrically arranged drive bevel gears 11, a reversing ring 12, and a reversing mechanism. A sliding sleeve 13 is integrally formed on the side of the drive bevel gear 11 facing the mounting beam 8. The sliding sleeve 13 is rotatably sleeved on the connecting cylinder 9. A rotating flange is provided on the inner edge of the sliding sleeve 13. The rotating flange is rotatably installed in the rotating ring groove. The two drive bevel gears 11 symmetrically mesh in the drive bevel gear ring. The upper and lower sides of the wheel are arranged to make the two transmission bevel gears 11 rotate in opposite directions. The transmission bevel gears 11 are rotatably sleeved on the outside of the guide shaft 3. The guide shaft 3 has several spline grooves extending axially in the middle. The inner wall of the reversing ring 12 is provided with several spline strips. The spline strips are slidably inserted into the spline grooves with a concave-convex fit. Several limiting protrusions 14 are provided on both sides of the reversing ring 12. The inner side of the transmission bevel gear 11 is provided with a limiting groove that convex-convex fits with the limiting protrusions 14. The reversing ring 12 slides on the guide shaft 3 and can be engaged with the limiting groove of the transmission bevel gear 11 through the limiting protrusions 14. The reversing ring 12 can be connected to one of the transmission bevel gears 11, thereby driving the guide shaft 3 to rotate. By adjusting the position of the reversing ring 12, the rotation direction of the guide shaft 3 can be switched, so that the grinding needle can slide back and forth on the guide roller of the brushing machine to complete the grinding of the needle roller.

[0025] A reversing mechanism is connected to the reversing ring 12. The reversing mechanism includes a reversing motor 15 fixed on the mounting plate 1, a reversing screw 16 fixed to the output end of the reversing motor 15, and a reversing paddle 17 threadedly connected to the reversing screw 16. The bottom wall of the mounting opening is provided with a sliding groove. The lower end of the reversing paddle 17 is slidably installed in the sliding groove with a concave-convex fit. The outer edge of the reversing ring 12 is provided with a reversing ring 12 groove. The upper end of the reversing paddle 17 is provided with an arc-shaped insert rod, which is inserted into the reversing ring 12 groove.

[0026] Working principle:

[0027] In this invention, during the use of the needle grinding device, the operator holds the handle and aligns the groove of the traveling roller 4 with the guide roller of the napping machine, pressing it against the napping machine. The grinding disc faces the needle belt of the napping machine. The drive motor 6 drives the grinding spindle 7 to rotate the grinding disc, thereby completing the grinding of the needle belt of the napping machine. During the grinding process, the drive bevel gear 10 at the end of the grinding spindle 7 drives two symmetrically arranged transmission bevel gears 11 to rotate in different directions on the mounting beam 8. The reversing motor 15 of the reversing mechanism rotates, causing the reversing paddle 17 to move horizontally under the drive of the reversing screw 16, thereby pushing the reversing ring 12 to slide within the spline groove of the guide shaft 3. This causes the reversing ring 12 to slide toward one of the drive bevel gears 11, and the limit protrusion 14 keeps the drive bevel gear 11 and the reversing ring 12 rotating synchronously in the circumferential direction. Then, the guide shaft 3 rotates circumferentially through the spline groove and spline strip, so that the traveling roller 4 can automatically and uniformly walk on the guide roller of the brushing machine to evenly polish the needle belt of the brushing machine. When the needle polishing machine moves to the end of the guide roller of the brushing machine, the reversing motor 15 is controlled to make the reversing paddle 17 move in the opposite direction, so that the reversing ring 12 moves away from the currently connected drive bevel gear 11 and connects to another drive bevel gear 11. This can change the rotation direction of the guide roller and realize the reverse automatic translation of the needle polishing machine.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A carding machine needle sharpener comprising a mounting plate, characterised in that: A support beam is fixed on the mounting plate, and a guide shaft is rotatably connected to the support beam. Traveling rollers are installed at the upper and lower ends of the guide shaft. A mounting bracket is provided in the middle of the mounting plate, and a grinding mechanism is rotatably connected to the mounting bracket. The grinding mechanism includes a drive motor fixed on the mounting bracket, a grinding spindle rotatably connected to the mounting bracket, several grinding discs fixed on the grinding spindle, and a transmission pulley fixed in the middle of the grinding spindle. A drive pulley is fixed to the output end of the drive motor, and a transmission belt is sleeved between the drive pulley and the transmission pulley. A traveling mechanism is connected between the grinding spindle and the guide shaft.

2. A wire truer according to claim 1, characterized in that: The mounting bracket has a mounting opening in the middle for mounting the walking mechanism. Mounting beams are provided on both sides of the mounting opening. The walking mechanism includes a drive bevel gear fixed to the end of the grinding spindle and a transmission assembly connected to the guide shaft. The drive bevel gear and the transmission assembly mesh with each other.

3. A wire truer as claimed in claim 2, wherein: The transmission assembly includes two symmetrically arranged transmission bevel gears, a reversing ring slidably sleeved on the guide shaft, and a reversing mechanism connected to the reversing ring. A connecting cylinder is fixed on the mounting beam. A sliding sleeve is integrally formed on the side of the transmission bevel gear facing the mounting beam. The sliding sleeve is rotatably connected to the connecting cylinder. The two transmission bevel gears are symmetrically meshed on the upper and lower sides of the drive bevel gear. Several limiting protrusions are provided on both sides of the reversing ring. A limiting groove that mates with the limiting protrusions is provided on the inner side of the transmission bevel gear.

4. A wire truer as claimed in claim 3, wherein: The commutation mechanism includes a commutation motor fixed on a mounting plate, a commutation screw fixed at the output end of the commutation motor, and a commutation paddle threadedly connected to the commutation screw. The outer edge of the commutation ring is provided with a commutation ring groove, and the commutation paddle is inserted into the commutation ring groove.

5. A gilling machine needle sharpener as claimed in claim 4, wherein: The guide shaft has several axially extending spline grooves in its middle section, and the inner wall of the reversing ring is provided with several spline strips, which are slidably inserted into the spline grooves with a convex-concave fit.

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