CN218692982U - Rotary press spinning roller assembly with circulating heat dissipation and lubrication functions - Google Patents

Abstract

The utility model discloses a lubricated spinning-lathe spinning wheel assembly of circulation heat dissipation belongs to spinning equipment field. The utility model discloses a spinning wheel assembly, including spinning wheel seat, spinning wheel and rotation axis, inclosed bearing room has in the spinning wheel seat, the rotation axis passes through the bearing and rotates the supporting in the bearing room of spinning wheel seat, be equipped with the heat dissipation clamp cover on the lateral wall of spinning wheel seat, still be equipped with the coolant liquid import on the spinning wheel seat respectively, the coolant liquid export, lubricating oil import and lubricating oil export, be formed with circulative cooling return circuit and circulative cooling lubrication return circuit on the spinning wheel seat respectively, can carry out circulative cooling and lubrication to the spinning wheel assembly, the cooling efficiency is high, the operating temperature of spinning wheel has effectively been reduced, the job stabilization nature and the life of bearing have been improved, be favorable to improving the machining precision of spinning-lathe. And the rotating shaft of the spinning wheel is supported by three groups of bearings, namely a centering bearing, an axial bearing and a radial bearing, so that the rotating precision and the bearing capacity of the spinning wheel can be ensured, and the spinning machining precision is further ensured.

Description

Rotary press spinning roller assembly with circulating heat dissipation and lubrication functions

Technical Field

The utility model relates to a spinning equipment, more specifically say, relate to a lubricated spinning-lathe spinning wheel assembly of circulation heat dissipation.

Background

The spinning forming is a plastic processing method which applies pressure to a rotating blank by using a spinning tool to generate continuous local plastic deformation so as to form the required hollow rotating part, is a commonly used process method for manufacturing a thin-wall rotating part and can finish various forming processes such as deep drawing, flanging, closing and the like. As an important branch of plastic processing, the method has the advantages of high product manufacturing precision, light weight and the like, and plays an important role in the technical field of metal precision processing such as aerospace, military industry and the like.

The equipment used in the spinning forming process is called spinning machine or spinning equipment, and can be divided into a vertical spinning machine and a horizontal spinning machine according to the structural form of a lathe bed. The spinning tool adopted by the spinning machine is a spinning wheel which is positioned on the side edge of the main shaft and can move in the axial direction and the radial direction relative to the main shaft to spin a workpiece arranged on the main shaft. The spinning wheel is typically mounted on a rotating shaft that is mounted on a spinning wheel base through a bearing to form a spinning wheel assembly. Because the spinning wheel needs to rotate in the working process, simultaneously bears radial and axial extrusion acting forces, and the stress condition is complex, the working stability and the service life of the rotating shaft are ensured by the reasonable design of bearing combination. In addition, in the working process, the workpiece is usually heated to a higher temperature, for example, the spinning working temperature of a large spinning part can reach 800-900 ℃, so as to improve the plastic processing performance of the material of the workpiece; the spinning wheel is directly contacted with a workpiece, the spinning wheel and the rotating shaft thereof work in a high-temperature environment for a long time, and the spinning wheel and the rotating shaft thereof also have the functions of extrusion and friction with the workpiece, so that great test is brought to the service life and the working stability of the spinning wheel and the rotating shaft thereof. The rotational stability of the spinning roller has an important influence on the processing accuracy of the spinning machine, so that it is necessary to perform heat dissipation and lubrication on the spinning roller assembly to improve the working stability of the spinning roller and the rotating shaft thereof and prolong the service life thereof.

Disclosure of Invention

1. Technical problem to be solved by the utility model

The utility model aims to overcome the defects that the spinning roller of the existing spinning machine has poor heat dissipation and lubrication effects and is easy to cause poor working stability and short service life, and provides a spinning machine spinning roller assembly with circulating heat dissipation and lubrication, and by adopting the technical scheme of the utility model, a circulating cooling loop and a circulating cooling and lubrication loop are respectively arranged on the spinning roller seat, so that the spinning roller assembly can be circularly cooled and lubricated, the working temperature of the spinning roller is effectively reduced, the working stability and the service life of a bearing are improved, and the processing precision of the spinning machine is favorably improved; and the rotating shaft of the spinning wheel is supported by three groups of bearings, namely a centering bearing, an axial bearing and a radial bearing, so that the rotating precision and the bearing capacity of the spinning wheel can be ensured, and the spinning machining precision is further ensured.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses a lubricated spinning-lathe spinning wheel assembly of circulation heat dissipation, including spinning wheel seat, spinning wheel and rotation axis, the spinning wheel fixed mounting is in the one end tip of rotation axis, have airtight bearing room in the spinning wheel seat, the rotation axis rotates the bearing through the bearing and supports in the bearing room of spinning wheel seat, be equipped with the heat dissipation jacket on the lateral wall of spinning wheel seat, still be equipped with coolant liquid import, coolant liquid export, lubricating oil import and lubricating oil export on the spinning wheel seat respectively, the coolant liquid import communicates the heat dissipation jacket through the feed liquor channel, the coolant liquid export communicates the heat dissipation jacket through the liquid outlet channel, form the circulation cooling circuit; the lubricating oil inlet is communicated with the bearing chamber through the oil inlet channel, and the lubricating oil outlet is communicated with the bearing chamber through the oil outlet channel to form a circulating cooling and lubricating loop.

Furthermore, the heat dissipation clamp sleeves are respectively provided with one on the left side and the right side of the spinning wheel seat, the cooling liquid inlet is respectively communicated with the two heat dissipation clamp sleeves through a liquid inlet channel, and the cooling liquid outlet is respectively communicated with the two heat dissipation clamp sleeves through a liquid outlet channel.

Furthermore, the heat dissipation jacket is enclosed by a side sealing plate sealed on a concave cavity on the outer side wall of the rotating wheel seat.

Furthermore, the rotating shaft is installed in the rotating wheel seat from top to bottom in sequence through the centering bearing, the axial bearing and the radial bearing.

Furthermore, the centering bearing is a tapered roller bearing, the axial bearing is a thrust self-aligning roller bearing, and the radial bearing is a cylindrical roller bearing.

Still further, the radial load bearing has a bearing outer diameter greater than the axial load bearing, and the axial load bearing has a bearing outer diameter greater than the centering bearing.

Furthermore, a locking nut for locking the centering bearing is arranged at the upper end of the rotating shaft; the bearing inner ring of the radial bearing is limited on the rotating shaft through a bearing limiting ring arranged on the rotating shaft; the upper end of the axial bearing is limited through a ring table in an inner hole of the rotating wheel seat, and the lower end of the axial bearing is limited through a spacer bush sleeved on the rotating shaft.

Furthermore, the upper part of the spinning wheel seat is provided with an upper end cover used for sealing an upper port of an inner hole of the rotating shaft, the lower part of the spinning wheel seat is provided with a lower end cover, and the lower end cover and the rotating shaft are sealed through an oil seal.

Furthermore, the spinning wheel is sleeved at the lower end of the rotating shaft, a positioning key for bearing shearing force is arranged between the spinning wheel and the rotating shaft, and a pressing plate for pressing the spinning wheel is further arranged on the lower end face of the rotating shaft.

Furthermore, two shaft end key grooves are symmetrically formed in the outer side of the lower end of the rotating shaft, two hole end key grooves corresponding to the shaft end key grooves are formed in the inner wall of a central hole of the rotating wheel, the rotating wheel is fixed to the lower end of the rotating shaft through a bolt, and the positioning key is located between the shaft end key grooves and the hole end key grooves.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:

(1) The utility model discloses a lubricated spinning-lathe spinning-roller assembly of circulation heat dissipation, it includes spinning-roller seat, spinning-roller and rotation axis, have inclosed bearing room in the spinning-roller seat, the rotation axis rotates the bearing through the bearing and supports in the bearing room of spinning-roller seat, be equipped with the heat dissipation jacket on the lateral wall of spinning-roller seat, still be equipped with coolant liquid import, coolant liquid export, lubricating oil import and lubricating oil export on the spinning-roller seat respectively, be formed with circulative cooling return circuit and circulative cooling lubrication return circuit on the spinning-roller seat respectively, can circulate cooling and lubrication to the spinning-roller assembly, the cooling efficiency is high, effectively reduced the operating temperature of spinning-roller, improved the job stabilization nature and the life of bearing, be favorable to improving the machining precision of spinning-roller;

(2) The rotary press spinning roller assembly with the circulating heat dissipation and lubrication of the utility model is provided with one heat dissipation clamping sleeve on each of the left side and the right side of the spinning roller seat, and the heat dissipation clamping sleeves are formed by enclosing the side sealing plates sealed on the cavity on the outer side wall of the spinning roller seat, the manufacture is convenient, the heat exchange area between the spinning roller seat and the cooling medium is increased, and the heat dissipation and cooling effect is further improved;

(3) The rotating shaft of the spinning machine spinning wheel assembly with the circulating heat dissipation and lubrication of the utility model sequentially passes through the centering bearing, the axial bearing and the radial bearing from top to bottom and is arranged in the spinning wheel seat, and the rotating shaft is supported by three groups of bearings, so that the rotating precision and the bearing capacity of the spinning wheel can be ensured, the spinning processing precision is further ensured, and especially, the performance requirements of the large-scale spinning machine such as the bearing capacity, the centering precision and the processing speed can be met;

(4) The centering bearing of the spinning machine spinning wheel assembly with circulating heat dissipation and lubrication of the utility model is a tapered roller bearing, which can ensure the coaxiality of the rotating shaft in the spinning wheel seat; the axial bearing is a thrust self-aligning roller bearing, so that the axial bearing capacity of the spinning wheel can be improved; the radial bearing is a cylindrical roller bearing, so that the parallelism of the rotating shaft in the spinning wheel seat can be ensured, the radial bearing capacity of the spinning wheel is improved, and the rotating speed of the spinning wheel can be ensured;

(5) The utility model discloses a lubricated spinning-lathe spinning-roller assembly of circulation heat dissipation, its radial bearing's bearing external diameter is greater than the bearing external diameter of axial bearing, and the bearing external diameter of axial bearing is greater than the bearing external diameter of centering bearing, adopts this bearing size setting, can guarantee the rotational speed of rotation axis, makes things convenient for the installation and the dismantlement of each bearing in the spinning-roller seat simultaneously;

(6) The utility model discloses a lubricated spinning-lathe spinning-roller assembly of circulation heat dissipation, the upper end of its rotation axis is equipped with the lock nut who is used for locking centering bearing, and the bearing inner race that radially bears the weight of the bearing is spacing on the rotation axis through locating the bearing spacing ring on the rotation axis, and the upper end that axially bears the weight of the bearing is spacing through the ring platform in the spinning-roller seat hole, and the lower extreme that axially bears the weight of the bearing is spacing through the spacer bush of cover on the rotation axis, and bearing installation is reliable and stable, and is convenient for the equipment and the maintenance of bearing;

(7) The utility model discloses a lubricated spinning-lathe spinning-roller assembly of circulation heat dissipation, the upper portion of its spinning-roller seat is equipped with the upper end cover that is used for sealing the port on the rotation axis hole, and the lower part of spinning-roller seat is equipped with the lower end cover, seals through the oil blanket between lower end cover and the rotation axis, has guaranteed the bearing room leakproofness of spinning-roller seat, can prevent effectively that the lubricating medium from leaking;

(8) The utility model discloses a lubricated spinning-lathe of circulation heat dissipation revolves the wheel assembly, its spinning-lathe cover is established at the lower extreme of rotation axis, and is equipped with the navigation key that is used for undertaking the shearing force between spinning-lathe and rotation axis, still is equipped with the clamp plate that is used for compressing tightly the spinning-lathe on the lower terminal surface of rotation axis, utilizes the navigation key to undertake the shearing force, has avoided connecting bolt to receive the shearing fracture, has improved the bearing capacity who revolves the wheel.

Drawings

Fig. 1 is a schematic perspective view of a spinning-lathe spinning-roll assembly with circulating heat dissipation and lubrication according to the present invention;

fig. 2 is a schematic view of a split structure of a spinning-lathe spinning-roller assembly with circulating heat dissipation and lubrication of the present invention;

FIG. 3 isbase:Sub>A schematic sectional view taken along the line A-A in FIG. 1;

FIG. 4 is a schematic cross-sectional view taken along the line C-C in FIG. 3;

FIG. 5 is a schematic cross-sectional view taken along line B-B of FIG. 1;

fig. 6 is a schematic sectional view in the direction D-D in fig. 5.

The reference numerals in the schematic drawings illustrate:

1. a spinning wheel seat; 1a, side sealing plates; 1-1, a heat dissipation jacket; 1-2, a cooling liquid inlet; 1-3, a cooling liquid outlet; 1-4, lubricating oil inlet; 1-5, a lubricating oil outlet; 1-6, oil inlet channels; 1-7, a liquid inlet channel; 1-8, a liquid outlet channel; 2. rotating the wheel; 2-1, a hole end key groove; 3. an upper end cover; 4. a lower end cover; 5. a rotating shaft; 5-1, a shaft end key groove; 6. a centering bearing; 7. an axial load bearing; 8. a radial load bearing; 9. locking the nut; 10. a spacer sleeve; 11. a bearing retainer ring; 12. a positioning key; 13. pressing a plate; 14. and (7) oil sealing.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

[ examples ]

Referring to fig. 1 and 2, the spinning roller assembly of the spinning machine with circulation heat dissipation and lubrication of the present embodiment includes a spinning roller seat 1, a spinning roller 2 and a rotating shaft 5, wherein the spinning roller 2 is fixedly installed at one end of the rotating shaft 5, a sealed bearing chamber is provided in the spinning roller seat 1, and the rotating shaft 5 is rotatably supported in the bearing chamber of the spinning roller seat 1 through a bearing, so that the spinning roller 2 can freely rotate relative to the spinning roller seat 1. In the spinning wheel working process, the spinning wheel can be subjected to radial and axial acting forces, and meanwhile, the spinning wheel can also be subjected to high temperature and extrusion friction of a machined workpiece, so that the bearing stress of the rotating shaft 5 is complex, the working environment is severe, and the working stability and the service life of the bearing are influenced. In order to improve the working stability of the spinning wheel assembly, a heat dissipation jacket 1-1 is arranged on the side wall of a spinning wheel seat 1, a cooling liquid inlet 1-2, a cooling liquid outlet 1-3, a lubricating oil inlet 1-4 and a lubricating oil outlet 1-5 are further respectively arranged on the spinning wheel seat 1, the cooling liquid inlet 1-2 is communicated with the heat dissipation jacket 1-1 through a liquid inlet channel 1-7, the cooling liquid outlet 1-3 is communicated with the heat dissipation jacket 1-1 through a liquid outlet channel 1-8 to form a circulating cooling loop, cooling liquid is input from the cooling liquid inlet 1-2, the cooling liquid is discharged from the cooling liquid outlet 1-3 after heat is absorbed by heat exchange in the heat dissipation jacket 1-1, and the cooling liquid flows in a circulating mode, so that the temperature of the spinning wheel seat 1 is effectively reduced. The lubricating oil inlets 1-4 are communicated with the bearing chamber through the oil inlet channels 1-6, the lubricating oil outlets 1-5 are communicated with the bearing chamber through the oil outlet channels to form a circulating cooling lubricating loop, lubricating media are input from the lubricating oil inlets 1-4, flow in the bearing chamber and circularly flow out from the lubricating oil outlets 1-5, the bearing can be lubricated, the lubricating media can also take heat out of the bearing, and the working temperature of the bearing is effectively reduced. The spinning roller assembly with the circulating heat dissipation and lubrication of the embodiment can perform circulating cooling and lubrication on the spinning roller assembly by respectively forming the circulating cooling loop and the circulating cooling and lubrication loop on the spinning roller seat 1, is high in cooling efficiency, effectively reduces the working temperature of the spinning roller, improves the working stability and the service life of a bearing, and is favorable for improving the processing precision of the spinning machine.

Referring to fig. 3 to 6, in the present embodiment, one heat dissipation jacket 1-1 is disposed on each of the left and right sides of the roller seat 1, the cooling liquid inlet 1-2 is respectively communicated with the two heat dissipation jackets 1-1 through the liquid inlet channels 1-7, and the cooling liquid outlet 1-3 is respectively communicated with the two heat dissipation jackets 1-1 through the liquid outlet channels 1-8. The heat dissipation jacket 1-1 is formed by enclosing side sealing plates 1a sealed on a concave cavity on the outer side wall of the spinning wheel seat 1, when in specific manufacturing, the concave cavity is formed on the outer side wall of the spinning wheel seat 1 in a processing mode, then the concave cavity is sealed by the side sealing plates 1a, and the heat dissipation jacket 1-1 is formed on the inner side of the side sealing plates 1 a; the side sealing plate 1a and the spinning wheel seat 1 can be connected by welding or by screw, and a sealing gasket is arranged between the side sealing plate 1a and the spinning wheel seat 1. Specifically, as shown in fig. 5 and 6, the coolant is fed into and discharged from the spinning roller seat 1, i.e., the coolant inlet 1-2 is located at the lower portion of the spinning roller seat 1, the coolant outlet 1-3 is located at the upper portion of the spinning roller seat 1, the liquid inlet channel 1-7 and the liquid outlet channel 1-8 can be formed by connecting drilling channels, and the redundant orifices are plugged by sealing plugs, so that the processing and manufacturing are convenient. As shown in fig. 1 and 4, the lubricating medium also adopts a design of downward inlet and upward outlet in the spinning roller seat 1, i.e. the lubricating oil inlet 1-4 is positioned at the lower part of the spinning roller seat 1, the lubricating oil outlet 1-5 is positioned at the upper part of the spinning roller seat 1, the oil inlet channel 1-6 and the oil outlet channel can also be formed by connecting drilling channels, and the redundant orifices are plugged by sealing plugs. Through the dual cooling effect of coolant liquid and lubricating oil, can guarantee the bearing job stabilization nature in the spinning wheel assembly, improve bearing life.

Referring to fig. 2, 3 and 5, in order to improve the bearing capacity of the spinning wheel, the rotating shaft 5 is installed in the spinning wheel base 1 from top to bottom in sequence through the centering bearing 6, the axial bearing 7 and the radial bearing 8. The three groups of bearings are utilized to support the rotating shaft 5, so that the rotating precision and the bearing capacity of the spinning wheel can be ensured, the spinning processing precision is further ensured, and the performance requirements of a large spinning machine such as the bearing capacity, the centering precision and the processing speed can be particularly met. Preferably, the centering bearing 6 is a tapered roller bearing, the axial load bearing 7 is a self-aligning thrust roller bearing, and the radial load bearing 8 is a cylindrical roller bearing. The tapered roller bearing can ensure the coaxiality of the rotating shaft 5 in the spinning wheel seat 1; the thrust self-aligning roller bearing can improve the axial bearing capacity of the rotary wheel; the cylindrical roller bearing can adopt a double-row cylindrical roller bearing, the parallelism of the rotating shaft 5 in the spinning wheel seat 1 can be ensured, the radial bearing capacity of the spinning wheel is improved, and the rotating speed of the spinning wheel can be ensured. Further, the radial bearing 8 has a bearing outer diameter larger than that of the axial bearing 7, and the axial bearing 7 has a bearing outer diameter larger than that of the centering bearing 6. By adopting the size setting of the bearing, the rotating speed of the rotating shaft can be ensured, and meanwhile, the installation and the disassembly of each bearing in the rotating wheel seat are facilitated.

Referring to fig. 2, 3 and 5, in the present embodiment, the upper end of the rotating shaft 5 is provided with a lock nut 9 for locking the centering bearing 6, and the number of the lock nuts 9 is preferably two to prevent the centering bearing 6 from being loosened. The upper end face of the bearing inner ring of the centering bearing 6 is tightly pressed on the rotating shaft 5 by a locking nut 9, and the lower end face of the bearing outer ring of the centering bearing 6 is limited by the upper end face of the ring table in the inner hole of the spinning wheel seat 1. The bearing inner ring of the radial bearing 8 is limited on the rotating shaft 5 through a bearing limiting ring 11 arranged on the rotating shaft 5, the bearing limiting ring 11 is provided with internal threads, the corresponding position of the rotating shaft 5 is provided with external threads, and the bearing inner ring of the radial bearing 8 is pressed on the rotating shaft 5 through the bearing limiting ring 11; the upper end surface of the bearing inner ring of the radial bearing 8 is limited by the inner hole step of the spinning wheel seat 1, and the lower end surface is limited by the lower end cover 4 arranged at the lower part of the spinning wheel seat 1. The upper end of the axial bearing 7 is limited by a ring platform in the inner hole of the rotating wheel seat 1, and the lower end of the axial bearing 7 is limited by a spacer sleeve 10 sleeved on the rotating shaft 5. By adopting the bearing mounting structure, the bearing is stably and reliably mounted, and the assembly and maintenance of the bearing are convenient. In addition, the upper part of the spinning wheel seat 1 is provided with an upper end cover 3 for sealing an upper port of an inner hole of the rotating shaft 5, the lower part of the spinning wheel seat 1 is provided with a lower end cover 4, sealing rings are respectively arranged between the upper end cover 3 and the spinning wheel seat 1 and between the lower end cover 4 and the spinning wheel seat 1, and the lower end cover 4 and the rotating shaft 5 are sealed through an oil seal 14, so that the sealing performance of a bearing chamber of the spinning wheel seat 1 is ensured, and the leakage of a lubricating medium can be effectively prevented.

In order to facilitate the replacement of the spinning wheel 2, the spinning wheel 2 is detachably connected with the rotating shaft 5, and the bolt is easily broken by shearing force due to the conventional bolt connection. Therefore, in the embodiment, the spinning wheel 2 is sleeved on the lower end of the rotating shaft 5, a positioning key 12 for bearing shearing force is arranged between the spinning wheel 2 and the rotating shaft 5, and a pressing plate 13 for pressing the spinning wheel 2 is further arranged on the lower end face of the rotating shaft 5. The positioning key 12 is used for bearing shearing force, so that the connecting bolt is prevented from being sheared and broken, and the bearing capacity of the rotary wheel is improved. Specifically, as shown in fig. 2, two shaft end key slots 5-1 are symmetrically arranged on the outer side of the lower end of the rotating shaft 5, two hole end key slots 2-1 corresponding to the shaft end key slots 5-1 are arranged on the inner wall of a central hole of the rotating wheel 2, the rotating wheel 2 is fixed on the lower end of the rotating shaft 5 through bolts, the positioning key 12 is located between the shaft end key slot 5-1 and the hole end key slot 2-1, and the positioning key 12 can be limited in the key slots by the pressing plate 13. Therefore, the connecting bolt of the spinning wheel does not bear the shearing action of the spinning wheel any more, the phenomenon of bolt breakage can be effectively avoided, and the spinning working reliability is improved.

The spinning machine spinning wheel assembly with the circulating heat dissipation and lubrication of the utility model is provided with the circulating cooling loop and the circulating cooling and lubrication loop on the spinning wheel seat respectively, so that the spinning wheel assembly can be subjected to circulating cooling and lubrication, the working temperature of the spinning wheel is effectively reduced, the working stability and the service life of the bearing are improved, and the processing precision of the spinning machine is favorably improved; and the rotating shaft of the spinning wheel is supported by three groups of bearings, namely a centering bearing, an axial bearing and a radial bearing, so that the rotating precision and the bearing capacity of the spinning wheel can be ensured, and the spinning machining precision is further ensured.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without creatively designing the similar structural modes and embodiments to the technical solutions, they should belong to the protection scope of the present invention.

Claims (10)

1. The utility model provides a lubricated spinning-lathe spinning-roller assembly of circulation heat dissipation, includes spinning-roller seat (1), spinning-roller (2) and rotation axis (5), spinning-roller (2) fixed mounting is in the one end tip of rotation axis (5), airtight bearing room has in spinning-roller seat (1), rotation axis (5) rotate the bearing through the bearing and in the bearing room of spinning-roller seat (1), its characterized in that: the side wall of the spinning wheel seat (1) is provided with a heat dissipation jacket (1-1), the spinning wheel seat (1) is also respectively provided with a cooling liquid inlet (1-2), a cooling liquid outlet (1-3), a lubricating oil inlet (1-4) and a lubricating oil outlet (1-5), the cooling liquid inlet (1-2) is communicated with the heat dissipation jacket (1-1) through a liquid inlet channel (1-7), and the cooling liquid outlet (1-3) is communicated with the heat dissipation jacket (1-1) through a liquid outlet channel (1-8) to form a circulating cooling loop; the lubricating oil inlet (1-4) is communicated with the bearing chamber through the oil inlet channel (1-6), and the lubricating oil outlet (1-5) is communicated with the bearing chamber through the oil outlet channel to form a circulating cooling lubricating loop.

2. The circulating heat-dissipating lubricated spinning-lathe spinning-roll assembly of claim 1, wherein: the cooling device is characterized in that the heat dissipation jackets (1-1) are respectively arranged at the left side and the right side of the rotating wheel seat (1), the cooling liquid inlets (1-2) are respectively communicated with the two heat dissipation jackets (1-1) through liquid inlet channels (1-7), and the cooling liquid outlets (1-3) are respectively communicated with the two heat dissipation jackets (1-1) through liquid outlet channels (1-8).

3. The circulating heat-dissipating lubricated spinning-lathe spinning-roll assembly of claim 2, wherein: the heat dissipation jacket (1-1) is formed by enclosing side sealing plates (1 a) sealed on a concave cavity on the outer side wall of the rotating wheel seat (1).

4. A cycle heat lubricated spinning machine spinning roller assembly according to claim 1, 2 or 3, wherein: the rotating shaft (5) is installed in the rotating wheel seat (1) from top to bottom in sequence through the centering bearing (6), the axial bearing (7) and the radial bearing (8).

5. The circulating heat-dissipating lubricated spinning-lathe spinning-roll assembly of claim 4, wherein: the centering bearing (6) is a tapered roller bearing, the axial bearing (7) is a thrust self-aligning roller bearing, and the radial bearing (8) is a cylindrical roller bearing.

6. The circulating heat-dissipating lubricated spinning-lathe spinning-roll assembly of claim 5, wherein: the bearing outer diameter of the radial bearing (8) is larger than that of the axial bearing (7), and the bearing outer diameter of the axial bearing (7) is larger than that of the centering bearing (6).

7. The circulating heat-dissipating lubricated spinning-lathe spinning-roll assembly of claim 6, wherein: the upper end of the rotating shaft (5) is provided with a locking nut (9) for locking the centering bearing (6); the bearing inner ring of the radial bearing (8) is limited on the rotating shaft (5) through a bearing limiting ring (11) arranged on the rotating shaft (5); the upper end of the axial bearing (7) is limited by a ring platform in an inner hole of the rotating wheel seat (1), and the lower end of the axial bearing (7) is limited by a spacer sleeve (10) sleeved on the rotating shaft (5).

8. The circulating heat-dissipating lubricated spinning-lathe spinning-roll assembly of claim 7, wherein: the upper portion of spinning wheel seat (1) is equipped with upper end cover (3) that are used for sealing port on rotation axis (5) hole, the lower part of spinning wheel seat (1) is equipped with lower end cover (4), it is sealed through oil blanket (14) between lower end cover (4) and rotation axis (5).

9. The circulating heat-dissipating lubricated spinning-lathe spinning-roll assembly of claim 4, wherein: the lower extreme at rotation axis (5) is established to spinning wheel (2) cover, and is equipped with between spinning wheel (2) and rotation axis (5) and is used for undertaking positioning key (12) of shearing force, still be equipped with on the lower terminal surface of rotation axis (5) and be used for compressing tightly clamp plate (13) of spinning wheel (2).

10. The circulating heat-dissipating lubricated spinning-lathe spinning-roll assembly of claim 9, wherein: the outer side of the lower end of the rotating shaft (5) is symmetrically provided with two shaft end key grooves (5-1), the inner wall of a center hole of the rotating wheel (2) is provided with two hole end key grooves (2-1) corresponding to the shaft end key grooves (5-1), the rotating wheel (2) is fixed at the lower end of the rotating shaft (5) through bolts, and the positioning key (12) is located between the shaft end key grooves (5-1) and the hole end key grooves (2-1).

Images