Knitting machine rotor combined type step bearing

Abstract

The combined type step bearing comprises an outer ring, an inner ring, rolling balls and a bearing pressing ring, a plurality of rolling balls are installed between the outer ring and the inner ring, an annular boss is designed at the position close to the outer circumferential face of the outer ring, and an outer annular step is formed between the upper end and the lower end of the outer circumferential face of the outer ring and the annular boss. The two outer annular steps are respectively an upper outer annular step and a lower outer annular step; an inner annular step is arranged at one port part of the inner side of the inner hole of the bearing pressing ring; the depth of the inner annular step is the same as the thickness of the annular boss on the outer side of the outer ring; the bearing pressing ring is installed on the outer side of the outer ring, and the inner annular step is arranged on the outer side of the outer annular step on one side of the annular boss in a sleeving mode. The inner hole diameter of the bearing pressing ring is the same as the outer diameter of the outer ring; and an annular convex neck is designed at one end of the inner ring. The bearing pressing ring has the advantages that design is ingenious, the structure is reasonable and compact, the annular boss designed on the outer side of the outer ring is accurately matched with the inner annular step of the bearing pressing ring, and the bearing pressing ring and a bearing can be conveniently and rapidly installed on a main plate of a knitting machine.

Description

TECHNICAL FIELD

[0001] The utility model relates to braider equipment field, concretely relates to a braider rotor combined step bearing. BACKGROUND

[0002] In the production process, the braider rotor (impeller) needs to be precisely assembled on the main plate. Most of the market adopts sliding rotation assembly. In order to better ensure the rotation of the braider rotor (impeller), bearings are used as rotation support. However, how to ensure convenient and precise installation after using the bearing method is a technical problem to be solved at present. SUMMARY

[0003] In order to solve the above technical problems, the utility model provides a braider rotor combined step bearing, which is ingenious in design, reasonable and compact in structure, convenient to install and high in precision.

[0004] The technical scheme of the utility model:

[0005] A braider rotor combined step bearing, which comprises an outer ring, an inner ring, rolling balls, a bearing pressing ring, a plurality of rolling balls are installed between the outer ring and the inner ring, an annular boss is designed on the outer circumferential surface of the outer ring close to the position, an outer annular step is formed between the upper and lower ends of the outer circumferential surface of the outer ring and the annular boss, which are respectively an upper outer annular step and a lower outer annular step; an inner annular step is arranged at one end of the inner hole of the bearing pressing ring, and the depth of the inner annular step is the same as the thickness of the annular boss on the outer side of the outer ring; the bearing pressing ring is installed on the outer side of the outer ring, and the inner annular step of the bearing pressing ring is sleeved on the outer side of the outer annular step on one side of the annular boss; the inner hole diameter of the bearing pressing ring is the same as the outer diameter of the outer ring; and one end of the inner ring is designed with an annular convex neck.

[0006] An annular groove is arranged in the middle of the outer circumference of the annular boss, the bearing pressing ring is designed of plastic material, and the bearing pressing ring is injection-molded and connected on the outer side of the outer ring.

[0007] The bearing pressing ring is installed on the outer side of the upper outer annular step of the outer ring, the inner hole of the bearing pressing ring is attached to the upper end of the outer ring, and the inner annular step of the bearing pressing ring is engaged on the outer side and the upper end of the annular boss of the outer ring; the lower outer annular step of the outer ring is press-fitted on the main plate of the braider, and the depth of the lower outer annular step is the same as the thickness of the main plate.

[0008] The bearing pressing ring is installed on the outer side of the lower outer annular step of the outer ring, the inner hole of the bearing pressing ring is attached to the lower end of the outer ring, and the inner annular step of the bearing pressing ring is engaged on the outer side and the lower end of the annular boss of the outer ring; the upper outer annular step of the outer ring is press-fitted under the main plate of the braider, and the depth of the upper outer annular step is the same as the thickness of the main plate.

[0009] A corresponding cross groove block avoidance position of the braider is formed on the upper surface of the bearing pressing ring.

[0010] The outer ring and the inner ring are designed as double-row ball bearings.

[0011] The utility model discloses the advantages are:

[0012] 1. clever design, compact structure, convenient to install and high precision;

[0013] 2. the outer ring of the outer ring is designed annular boss and the inner annular step of bearing pressure ring accurate cooperation, bearing pressure ring and the utility model bearing are conveniently and quickly installed on the mainboard of braider;

[0014] 3. the bearing pressure ring is integrally formed in the outer ring of the bearing by injection molding, and the overall weight is light, the depth of the upper and lower outer annular steps of the outer ring and the depth of the inner annular step of the bearing pressure ring are accurately set, which further facilitates the quick and accurate installation with the mainboard in the later period, the outer ring of the bearing is designed with an annular groove on the outer side of the annular boss, which ensures that the two are firmly integrated after injection molding, and the bearing pressure ring and the bearing outer ring are not easy to separate, safe and reliable;

[0015] 4. the utility model bearing can be installed above or below the mainboard of braider, meet different drive installation demand, and be widely applied;

[0016] 5. designed as double-row ball bearing, support more stable, the inner ring of the bearing is designed with annular convex neck on the upper end, and the impeller workpiece is directly installed on the upper end of the annular convex neck. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the schematic diagram of the utility model being installed above the mainboard of braider.

[0018] Figure 2 It is the outer ring and the inner ring cooperation structure schematic diagram of the utility model.

[0019] Figure 3 It is the top view of the bearing pressure ring of the utility model.

[0020] Figure 4 It is Figure 3 the sectional view schematic diagram.

[0021] Figure 5 It is the schematic diagram of the utility model being installed below the mainboard of braider. DETAILED DESCRIPTION

[0022] Referring to the drawings Figure 1-5A combined stepped bearing of a braider rotor includes an outer ring 1, an inner ring 2, rolling balls 3, and a bearing pressing ring 4. The rolling balls 3 are installed between the outer ring 1 and the inner ring 2. An annular boss 11 is arranged on the outer periphery of the outer ring 1 near the position. An outer annular step is formed between the upper and lower ends of the outer periphery of the outer ring 1 and the annular boss 11, which are respectively an upper outer annular step 12 and a lower outer annular step 13. An inner annular step 41 is arranged on the inner hole of the bearing pressing ring 4. The depth of the inner annular step 41 is the same as the thickness of the annular boss 11 on the outer side of the outer ring 1. The bearing pressing ring 4 is installed on the outer side of the outer ring 1, and the inner annular step 41 of the bearing pressing ring 4 is sleeved on the outer side of the outer annular step on one side of the annular boss 11. The inner hole diameter of the bearing pressing ring 4 is the same as the outer diameter of the outer ring 1. One end of the inner ring 2 is designed with an annular convex neck 21. The combined bearing is designed with an annular convex neck integrated with the inner ring. The upper plane of the annular convex neck directly contacts the braider rotor (impeller). The combined bearing is designed with an annular step, which is used as a reference size for installing the main plate 5. The height of the annular convex neck of the inner ring forms a height size, which is an important key size for controlling the height installation of the braider rotor (impeller) and the main plate 5 of the braider.

[0023] An annular groove 14 is arranged in the middle of the outer periphery of the annular boss 11. The bearing pressing ring 4 is made of plastic material, and is injection molded and connected on the outer side of the outer ring 1.

[0024] As shown in Figure 1 , the bearing pressing ring 4 is installed on the outer side of the lower outer annular step 13 of the outer ring 1. The inner hole of the bearing pressing ring 4 is attached to the lower end of the outer ring 1. The inner annular step 41 of the bearing pressing ring 4 is clamped on the outer side and the lower end of the annular boss 11 of the outer ring 1. The upper outer annular step 12 of the outer ring 1 is press-fitted on the lower surface of the main plate 5 of the braider, and the depth of the upper outer annular step 12 is the same as the thickness of the main plate 5.

[0025] As shown in Figure 5 , the bearing pressing ring 4 is installed on the outer side of the upper outer annular step 12 of the outer ring 1. The inner hole of the bearing pressing ring 4 is attached to the upper end of the outer ring 1. The inner annular step 41 of the bearing pressing ring 4 is clamped on the outer side and the upper end of the annular boss 11 of the outer ring 1. The lower outer annular step 13 of the outer ring 1 is press-fitted on the upper surface of the main plate 5 of the braider, and the depth of the lower outer annular step 13 is the same as the thickness of the main plate 5.

[0026] A corresponding cross groove block avoidance position 42 of the braider is opened on the upper surface of the bearing pressing ring 4. A plurality of counterbores 44 are also designed on the upper surface of the bearing pressing ring. Screws are rotatably fixed on the upper surface of the main plate 5 through the counterbores, so that the bearing pressing ring is fixed on the upper surface of the main plate 5. The bearing pressing ring then fixes the bearing on the upper surface of the main plate 5. An upper annular step 43 is also designed on the outer side and upper end of the bearing pressing ring 4. The upper annular step is designed to cooperate with other components of the braider to ensure more firm assembly.

[0027] The outer ring 1 and the inner ring 2 are designed as double-row ball 3. The combined bearing structure is composed of double-row bearing structure, is compact in structure, small in occupied position, and large in bearing capacity.

[0028] The utility model discloses a weaving machine rotor (impeller) combined step bearing changes the traditional main drive from sliding friction to rolling friction, improves machine dynamic performance, and is low in noise and small in energy consumption. The annular boss that can be used for positioning the mainboard position is designed, and the efficiency and assembly precision when assembling with the mainboard are improved. The utility model is equipped with the bearing pressing ring of the pressing bearing, the bearing pressing ring outer ring can design the avoidance position of the avoidance weaving machine cross groove block, the utility model is used for assembling on the mainboard of weaving machine, according to the need of machine type, the utility model bearing can also be installed below the mainboard, and the effect produced is same. The combined bearing can be installed above the mainboard of weaving machine, and according to need, the combined bearing and the pressing ring can be installed below the mainboard. The combined bearing has the bearing pressing ring of matched pressing, and the groove block avoidance position can be made on the bearing pressing ring.

Claims

1. A braider rotor modular step bearing characterized by, It includes an outer ring, an inner ring, a ball, a bearing pressing ring, a plurality of balls are installed between the outer ring and the inner ring, an annular boss is designed on the outer periphery of the outer ring close to the position, an outer annular step is formed between the upper and lower ends of the outer periphery of the outer ring and the annular boss, which are respectively an upper outer annular step and a lower outer annular step; an inner annular step is arranged on the inner hole of the bearing pressing ring, the depth of the inner annular step is the same as the thickness of the annular boss on the outer side of the outer ring; the bearing pressing ring is installed on the outer side of the outer ring, and the inner annular step of the bearing pressing ring is sleeved on the outer side of the outer annular step on one side of the annular boss; the inner hole diameter of the bearing pressing ring is the same as the outer diameter of the outer ring; one end of the inner ring is designed with an annular convex neck.

2. A modular stepped bearing for a braiding machine rotor as claimed in claim 1, wherein, The outer periphery of the annular boss is provided with an annular groove in the middle, the bearing pressing ring is designed of plastic material, and the bearing pressing ring is injection molded and connected on the outer side of the outer ring.

3. A modular stepped bearing for a braider rotor as defined in claim 1, wherein, The bearing pressing ring is installed on the outer side of the upper outer annular step of the outer ring, the inner hole of the bearing pressing ring is attached to the upper end of the outer ring, and the inner annular step of the bearing pressing ring is engaged on the outer side and the upper end of the annular boss of the outer ring; the lower outer annular step of the outer ring is press-fitted on the upper surface of the main plate of the braiding machine, and the depth of the lower outer annular step is the same as the thickness of the main plate.

4. A modular stepped bearing for a braider rotor as defined in claim 1, wherein, The bearing pressing ring is installed on the outer side of the lower outer annular step of the outer ring, the inner hole of the bearing pressing ring is attached to the lower end of the outer ring, and the inner annular step of the bearing pressing ring is engaged on the outer side and the lower end of the annular boss of the outer ring; the upper outer annular step of the outer ring is press-fitted on the lower surface of the main plate of the braiding machine, and the depth of the upper outer annular step is the same as the thickness of the main plate.

5. A modular stepped bearing for a braider rotor as defined in claim 1, wherein, The bearing pressing ring is provided with corresponding cross groove block avoidance positions of the braiding machine on the upper surface.

6. A modular stepped bearing for a braider rotor as defined in claim 1, wherein, The outer ring and the inner ring are designed as double-row balls.

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