Fleece roller assembly

Abstract

This utility model provides a brushing roller assembly, relating to the field of textile equipment technology. It includes a roller body, a needle belt, and positioning screws. The roller body has edge-fixing mechanisms installed at both ends. Each edge-fixing mechanism includes an edge-fixing sleeve, an edge-fixing needle block, an abutting sleeve, and a nut ring. The front end of the edge-fixing sleeve has several connecting beams that are interlocked with the ends of the roller body. Positioning pins are located on the outer side of the edge-fixing needle blocks. The abutting sleeves are slidably fitted onto both ends of the roller body. A wedge-shaped abutting block is located in the middle of the outer wall of the abutting sleeve, and this wedge-shaped abutting block slides and abuts against the lower side of the edge-fixing needle block. The rear side of the outer wall of the abutting sleeve is threadedly connected to the nut ring. In this utility model, rotating the nut ring causes the positioning pins to slide outwards and engage with the needle belt, dispersing the tension of the needle belt on the positioning screws and preventing potential localized deformation of the needle belt around the screw holes.

Description

Technical Field

[0001] This utility model relates to the field of textile equipment technology, specifically to a napping roller assembly. Background Technology

[0002] A napping machine is a core piece of equipment in textile finishing. Its function is to create a dense nap on the surface of the fabric through mechanical action, thereby significantly changing the fabric's appearance, feel, and functionality. Typically, napping machine rollers employ a wound needle belt design to improve the maintainability of the rollers and reduce economic losses caused by wear of the steel needles during high-speed friction.

[0003] In the existing roller-wrapping process, the needle tape end is usually fixed directly to the outer wall of the roller with screws, and then wound into a napping roller for napping under a certain tension. However, the screw connection method is point fixation. When the needle tape is subjected to huge tension and friction from the fabric, the point of contact of the screw head will be subjected to great pressure. The needle tape may undergo local deformation in the area around the screw hole, resulting in the needle tape becoming loose, uneven, or even broken. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a napping roller assembly that 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 roller assembly includes a roller body and a needle strip wound around the outer wall of the roller body. Several positioning screw holes are distributed circumferentially at both ends of the roller body, and positioning screws are threaded onto these holes. Both ends of the needle strip are fixed to the positioning screw holes by screws. An edge-fixing mechanism is installed at both ends of the roller body. The edge-fixing mechanism includes an edge-fixing sleeve and edge-fixing needle blocks. Several connecting beams are provided at the front end of the edge-fixing sleeve, and several connecting blocks are provided at the end of the roller body. A connecting groove is provided between adjacent connecting blocks. The connecting beams are inserted into connecting slots with a convex-concave fit. A communicating hole aligned with the positioning screw holes is provided on the connecting beam, and the positioning screw passes through the communicating hole. A positioning needle is provided on the outer side of the edge-fixing needle block, protruding from the outer wall of the connecting beam and inserted into the inner wall of the needle strip.

[0009] Preferably, the inner wall of the connecting beam has a sliding groove, and the inner wall of the sliding groove is provided with a guide block located outside the connecting hole. The center of the fixed-edge pin block has a guide frame, which is slidably fitted onto the guide block. The connecting beam has several needle holes, and the positioning pin passes through the needle holes.

[0010] Preferably, the edge-fixing mechanism further includes an abutting sleeve and a nut ring. Shoulder rings are integrally formed at both ends of the roller body. Several spline grooves are formed on the outer wall of the shoulder rings. Several spline strips that mate with the spline grooves are formed on the inner wall of the abutting sleeve. The abutting sleeve is slidably fitted onto the outer side of the shoulder rings. A wedge-shaped abutting block is provided in the middle of the outer wall of the abutting sleeve. A sliding inclined surface is provided on the front side of the wedge-shaped abutting block. The wedge-shaped abutting block slides and abuts against the lower side of the edge-fixing pin block. The nut ring is rotatably connected to the edge-fixing sleeve. A threaded groove is provided on the rear side of the inner wall of the nut ring. The rear side of the outer wall of the abutting sleeve is threadedly fitted onto the nut ring.

[0011] Preferably, the wedge-shaped contact block has a displacement groove in the middle that slides with the guide block, and the contact sleeve has a displacement through groove at the front end for the positioning screw to pass through.

[0012] Preferably, the outer side of the fixed-edge sleeve is provided with a limiting flange, the inner front wall of the nut ring is provided with a limiting ring groove, the limiting protrusion is slidably inserted into the limiting ring groove, the inner rear wall of the limiting flange and the limiting ring groove is provided with mutually cooperating positioning ratchet rings, and a positioning spring is connected between the inner front wall of the limiting ring groove and the front side of the limiting flange.

[0013] (III) Beneficial Effects

[0014] This utility model provides a napping roller assembly. It has the following beneficial effects:

[0015] 1. In this utility model, the positioning screw passes through the end of the needle belt and the connecting hole and is threadedly fixed to the positioning screw hole. The needle belt and the fixed edge sleeve can be fixed to the end of the roller body to facilitate the winding of the needle belt. By rotating the nut ring, the abutting sleeve can be moved forward in the fixed edge sleeve through the threaded engagement. During the translation, the sliding slope of the wedge-shaped abutting block pushes the fixed edge needle block to slide outward, so that the positioning needle protrudes out of the fixed edge sleeve and inserts into the inner wall of the needle. Multiple snap-fit ​​positioning is formed in the axial direction, and the point connection of the screw is distributed into multiple positioning needles for fixing. This can disperse the tension of the needle belt on the positioning screw and avoid the needle belt from local deformation in the area around the screw hole, which may cause the needle belt to loosen, become uneven, or even break. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a napping roller assembly according to the present invention;

[0017] Figure 2 This is a schematic diagram of the structure of the roller body in this utility model;

[0018] Figure 3 This is a schematic diagram of the side-fixing mechanism in this utility model;

[0019] Figure 4 This is a cross-sectional view of the side-fixing mechanism in this utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the fixed-side sleeve in this utility model.

[0021] In the diagram: 1. Roller body; 2. Needle belt; 3. Shoulder ring; 4. Positioning screw hole; 5. Positioning screw; 6. Edge sleeve; 7. Edge pin block; 8. Abutting sleeve; 9. Nut ring; 10. Connecting beam; 11. Guide block; 12. Positioning pin; 13. Wedge-shaped abutting block; 14. Limiting flange; 15. Positioning ratchet ring; 16. Positioning spring. 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 napping roller assembly, such as... Figure 1-5 As shown, the device includes a roller body 1 and a needle strip 2 wound on the outer wall of the roller body 1. The roller body 1 includes a roller and a winding roller. The winding roller has stepped grooves at both ends. A shoulder ring 3 is integrally formed on the outer side of the stepped groove. Several positioning screw holes 4 are distributed circumferentially on the outer wall of the shoulder ring 3. Positioning screws 5 are threaded onto the positioning screw holes 4. The end of the needle strip 2 is provided with a connecting hole for passing through the positioning screw 5. The two ends of the needle strip 2 are fixed to the roller body 1 by screws 5. The end of the roller body 1 is provided with several connecting blocks flush with the outer wall of the winding roller. A connecting groove is provided between two adjacent connecting blocks. The positioning screw holes 4 are centrally located directly below the corresponding connecting groove of the shoulder ring 3.

[0024] like Figure 1-2As shown, the roller body 1 is equipped with a fixing mechanism at both ends. The fixing mechanism includes a fixing sleeve 6, a fixing needle block 7, an abutting sleeve 8, and a nut ring 9. The front end of the fixing sleeve 6 is provided with several connecting protrusions 10. The connecting protrusions 10 are inserted into the connecting slot with a concave-convex fit. The outer wall of the connecting protrusions 10 is flush with the outer wall of the winding roller. The fixing sleeve 6 inserted into the connecting slot can form a complete winding outer wall at both ends of the roller body 1, which can facilitate the winding of the needle strip 2. The connecting beam is provided with a connecting hole aligned with the positioning screw hole 4. After the positioning screw 5 passes through the connecting hole of the needle strip 2, it passes through the connecting hole and is threaded into the positioning screw hole 4 to fix the needle strip 2 on the outer wall of the connecting protrusion 10 and the winding outer wall of the winding roller, and can be wound smoothly.

[0025] like Figure 3-5 As shown, the inner wall of the connecting beam 10 has a sliding groove that extends from the connecting beam 10 to the inner wall of the fixed-edge sleeve 6. A guide block 11 is provided on the outer side of the connecting hole on the inner wall of the sliding groove. The connecting hole passes through the guide block 11 to facilitate the insertion of the positioning screw 5. A return spring is sleeved on the outer wall of the guide block 11. The two ends of the return spring abut against the side wall of the sliding groove and the fixed-edge needle block 7, respectively. The connecting beam 10 has several needle holes on both sides of the guide block 11. A guide frame is provided in the middle of the fixed-edge needle block 7. The guide frame is slidably sleeved on the guide block 11. A positioning needle 12 is provided on the outer side of the fixed-edge needle block 7. The positioning needle 12 can pass through the needle hole, protrude to the outer wall of the fixed-edge sleeve 6, and insert into the inner wall of the needle band 2 to form a puncture positioning for the needle band 2.

[0026] The outer wall of the shoulder ring 3 is provided with several axially extending spline grooves. The inner wall of the abutment sleeve 8 is provided with several spline strips that mate with the spline grooves. The abutment sleeve 8 is slidably fitted on the outer side of the shoulder ring 3. A wedge-shaped abutment block 13 is provided in the middle of the outer wall of the abutment sleeve 8. The wedge-shaped abutment block 13 is slidably inserted into the sliding groove. A sliding inclined surface is provided on the front side of the wedge-shaped abutment block 13. The front end of the sliding inclined surface is flush with the outer wall of the outer wall of the abutment sleeve 8, and the rear end of the sliding inclined surface abuts against the wedge-shaped abutment block 13. The outer wall of the block 13 is flush with the outer wall. The fixed edge pin block 7 is provided with a displacement slope on the side facing the wedge-shaped contact block 13. The displacement slope slides and abuts against the front side of the wedge-shaped contact block 13. The middle part of the wedge-shaped contact block 13 is provided with a displacement groove that slides and cooperates with the guide block 11. This can prevent the guide block 11 from being stuck when the contact sleeve 8 slides forward. The front end of the contact sleeve 8 is provided with a displacement through groove for the positioning screw 5 to pass through. The displacement through groove can prevent the positioning screw hole 4 from being blocked during the forward sliding of the contact sleeve 8.

[0027] The outer side of the fixed-edge sleeve 6 is provided with a limiting flange 14, and the inner wall of the front side of the nut ring 9 is provided with a limiting ring groove. The limiting protrusion is slidably inserted into the limiting ring groove. The rear side of the inner wall of the nut ring 9 is provided with a threaded groove. The rear side of the outer wall of the abutting sleeve 8 is threadedly connected to the nut ring 9. By rotating the nut ring 9, the abutting sleeve 8 can be moved forward on the shoulder ring 3 through the threaded engagement. In this way, the sliding inclined surface of the wedge-shaped abutting block 13 squeezes the displacement inclined surface, causing the fixed-edge needle block 7 to slide outward along the guide block 11. This allows the positioning needle 12 on the fixed-edge needle block 7 to be pushed out of the fixed-edge sleeve 6 and inserted into the needle band 2, forming a positioning in the circumferential direction. The point connection of the positioning screw 5 is dispersed into a line connection through the positioning needle 12, dispersing the tension of the needle band 2 on the positioning screw 5. This avoids the needle band 2 from local deformation in the area around the screw 5 hole, which could lead to loosening, unevenness, or even breakage of the needle band 2.

[0028] like Figure 3-4 As shown, the rear inner wall of the limiting flange 14 and the limiting ring groove is provided with a positioning ratchet 15 that cooperates with each other. The front inner wall of the limiting ring groove is connected to the front side of the limiting flange 14. The positioning spring 16 supports the limiting flange 14 and the positioning ratchet 15 of the limiting ring groove to be tightly attached to each other and locked together to form a one-way clutch. When it is necessary to retract the positioning pin 12, the nut ring 9 is pulled backward. The contact sleeve 8 will slide backward a distance along with the nut ring 9 due to the threaded connection until the limiting flange 14 and the positioning ratchet 15 of the limiting ring groove disengage from each other to form a separation and unlocking. Then the nut ring 9 can be rotated in the opposite direction. In this way, the contact sleeve 8 is moved backward through the threaded engagement, so that the wedge-shaped contact block 13 completely disengages from the contact of the fixed edge pin block 7, so that the fixed edge pin block 7 retracts to the front side of the outer wall of the contact sleeve 8, and the positioning pin 12 is completely retracted into the fixed edge sleeve 6.

[0029] 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 brushing roller assembly, comprising a roller body and a needle tape wound around the outer wall of the roller body, characterized in that: The roller body has several positioning screw holes distributed around its left and right ends. Positioning screws are threaded onto the positioning screw holes. The two ends of the needle belt are fixed to the positioning screw holes by screws. The roller body has a fixing mechanism installed at both ends. The fixing mechanism includes a fixing sleeve and a fixing pin block. The front end of the fixing sleeve is provided with several connecting protrusions. The end of the roller body is provided with several connecting blocks. A connecting groove is provided between two adjacent connecting blocks. The connecting protrusions are inserted into the connecting slots with a convex-concave fit. The connecting protrusions are provided with a connecting hole aligned with the positioning screw holes. The positioning screw passes through the connecting hole. A positioning pin is provided on the outer side of the fixing pin block. The fixing pin protrudes from the outer wall of the connecting protrusion and is inserted into the inner wall of the needle belt.

2. The napping roller assembly according to claim 1, characterized in that: The inner wall of the connecting beam has a sliding groove, and a guide block is provided on the inner wall of the sliding groove outside the connecting hole. A guide frame is provided in the middle of the fixed-edge pin block. The guide frame is slidably sleeved on the guide block. Several needle holes are provided on the connecting beam, and the positioning pin passes through the needle holes.

3. The napping roller assembly according to claim 2, characterized in that: The edge-fixing mechanism further includes an abutting sleeve and a nut ring. Shoulder rings are integrally formed at both ends of the roller body. Several spline grooves are formed on the outer wall of the shoulder rings. Several spline strips that mate with the spline grooves are formed on the inner wall of the abutting sleeve. The abutting sleeve is slidably fitted onto the outer side of the shoulder rings. A wedge-shaped abutting block is provided in the middle of the outer wall of the abutting sleeve. A sliding inclined surface is provided on the front side of the wedge-shaped abutting block. The wedge-shaped abutting block slides and abuts against the lower side of the edge-fixing pin block. The nut ring is rotatably connected to the edge-fixing sleeve. A threaded groove is provided on the rear side of the inner wall of the nut ring. The rear side of the outer wall of the abutting sleeve is threadedly fitted onto the nut ring.

4. The napping roller assembly according to claim 3, characterized in that: The wedge-shaped contact block has a displacement groove in the middle that slides with the guide block, and the front end of the contact sleeve has a displacement through groove for the positioning screw to pass through.

5. A napping roller assembly according to claim 4, characterized in that: The outer side of the fixed-side sleeve is provided with a limiting flange, and the inner front wall of the nut ring is provided with a limiting ring groove. The limiting flange is slidably inserted into the limiting ring groove. The inner rear wall of the limiting flange and the limiting ring groove is provided with mutually cooperating positioning ratchet rings. A positioning spring is connected between the inner front wall of the limiting ring groove and the front side of the limiting flange.

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