CN109353886B

CN109353886B - Main shaft structure of winding machine

Info

Publication number: CN109353886B
Application number: CN201811319129.3A
Authority: CN
Inventors: 黎训学; 汤秀清
Original assignee: Guangzhou Haozhi Electromechanical Co Ltd
Current assignee: Guangzhou Haozhi Electromechanical Co Ltd
Priority date: 2018-11-07
Filing date: 2018-11-07
Publication date: 2022-06-10
Anticipated expiration: 2038-11-07
Also published as: CN109353886A

Abstract

The invention discloses a spindle structure of a winding machine, which comprises a machine body, a shaft core, a bearing spacer bush, a winding die seat and two groups of angular contact bearing assemblies, wherein the shaft core is arranged on the machine body; the shaft core is connected in the machine body in a penetrating way and is provided with a cooling channel; the winding die is fixedly connected with the shaft core and is provided with a cooling port communicated with the cooling channel; the two groups of angular contact bearing assemblies are respectively arranged on the upper side and the lower side of the shaft core and respectively support the shaft core; the bearing spacer bush is sleeved outside the shaft core and is positioned between the two groups of angular contact bearing assemblies. According to the invention, by adopting the angular contact bearing assembly and matching the cooling channel on the shaft core and the cooling port on the winding die seat, cooling gas passes through the cooling channel and the cooling port, so that heat generated by the angular contact bearing assembly can be taken away, the rotation precision of the angular contact bearing assembly is improved, and the spindle structure of the winding machine has higher rotation precision; simultaneously, cooling gas can take away the heat that the wire winding process produced, effectively realizes the cooling of wire winding mould seat and reduces its possibility of warping.

Description

Main shaft structure of winding machine

Technical Field

The present disclosure relates to spindle assemblies, and particularly to a spindle assembly for a winding machine.

Background

At present, a winding machine is used for winding various coils of motors, electromagnetic induction equipment, 3C electronic products and the like. Along with the development of the modern electrical processing industry, the requirements on the winding machine are improved, the main shaft is used as one of core parts of the winding machine, and the motion stability, the rotation precision, the rigidity and other properties of the main shaft and whether the shaft core is deformed during processing influence the processing precision of the winding machine; in the existing spindle for the winding machine, the spindle core of the spindle is easy to deform in the continuous processing process, and the rotation precision of the spindle is poor.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a spindle structure of a winding machine, which has better rotation precision and can reduce the possibility of deformation of a spindle core.

The purpose of the invention is realized by adopting the following technical scheme:

a spindle structure of a winding machine comprises a machine body, a shaft core, a bearing spacer bush, a winding die seat and two groups of angular contact bearing assemblies; the shaft core is connected in the machine body in a penetrating manner and is provided with a cooling channel; the winding die is fixedly connected with the shaft core and is provided with a cooling port communicated with the cooling channel; the two groups of angular contact bearing assemblies are respectively arranged on the upper side and the lower side of the shaft core and respectively bear the shaft core; the bearing spacer bush is sleeved outside the shaft core and is positioned between the two groups of angular contact bearing assemblies.

Furthermore, an oil storage tank with a side opening is formed in the outer side wall of the machine body.

Further, the oil reservoir is spiral.

Further, the number of the cooling ports is multiple, and the multiple cooling ports are arranged circumferentially around the central axis of the shaft core.

Further, the winding die base is fixed on the lower side of the shaft core, a synchronous belt pulley is arranged on the upper side of the shaft core, and the synchronous belt pulley is in interference fit with the shaft core through a taper sleeve.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, by adopting the angular contact bearing assembly and matching the cooling channel on the shaft core and the cooling port on the winding die seat, cooling gas passes through the cooling channel and the cooling port, so that heat generated by the angular contact bearing assembly can be taken away, the rotation precision of the angular contact bearing assembly is improved, and the spindle structure of the winding machine has higher rotation precision; meanwhile, the cooling gas can take away heat generated in the winding process, and the possibility of reducing deformation of the winding die seat by cooling is effectively realized; therefore, the requirement of precise processing of the winding machine can be met through the combination.

Secondly, the angular contact bearing assembly is lubricated by grease, so that long-time continuous high-speed operation stability can be realized, the service life is prolonged, and the cooling gas avoids deformation of the shaft core, so that the service life is further prolonged.

And moreover, the bearing spacer sleeve is arranged between the two angular contact bearing assemblies, so that the positioning and pre-tightening of the two angular contact bearing assemblies are realized, and the rigidity of the spindle structure of the winding machine can be adjusted according to the machining precision requirement of a product, so that the machining precision requirement of the product is met.

Drawings

Fig. 1 is a schematic structural view of a spindle structure of a winding machine according to the present invention.

In the figure: 10. a body; 11. an oil storage tank; 20. a shaft core; 21. a cooling channel; 30. an angular contact bearing assembly; 40. a taper sleeve; 50. a bearing spacer; 60. a winding mold base; 61. a cooling port; 70. a synchronous pulley.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

As shown in fig. 1, the spindle structure of a winding machine includes a machine body 10, a shaft core 20, a winding mold base 60 and two sets of angular contact bearing assemblies 30; the two groups of angular contact bearing assemblies 30 are respectively arranged at the upper side and the lower side of the shaft core 20 and respectively bear the shaft core 20, at the moment, the bearings have higher rotation precision, and the rotation precision of the main shaft structure of the winding machine is improved; the shaft core 20 is penetrated in the machine body 10 and is provided with a cooling channel 21; the winding mold is fixedly connected with the shaft core 20 and is provided with a cooling port 61 communicated with the cooling channel 21; thus, when the cooling gas is introduced into the cooling channel 21, the cooling gas flows in the direction shown by the arrow in fig. 1, that is, the cooling gas passes through the cooling channel 21 and is discharged from the cooling port 61, and the cooling gas passes through the inside of the shaft core 20 to take away the heat of the angular contact bearing assembly 30, thereby avoiding the temperature rise of the angular contact bearing assembly 30, improving the rotation precision of the angular contact bearing assembly 30, and further improving the rotation precision of the main shaft structure of the winding machine; therefore, the spindle structure of the winding machine has higher rotation precision through the combination; meanwhile, the cooling gas can take away heat generated in the winding process, and the possibility of reducing deformation of the winding mold seat 60 due to cooling is effectively realized; therefore, the requirement of precise processing of the winding machine can be met through the combination.

Moreover, the angular contact bearing assembly 30 is lubricated by grease, so that the long-time continuous high-speed operation stability can be realized, the service life is prolonged, and the cooling gas can further prolong the service life by avoiding the deformation of the shaft core 20.

In this embodiment, the main shaft structure of the winding machine further includes a bearing spacer 50, and the bearing spacer 50 is sleeved outside the shaft core 20 and located between the two groups of angular contact bearing assemblies 30; at this time, two ends of the bearing spacer 50 respectively abut against the two groups of angular contact bearing assemblies 30, so as to position and pre-tighten the two groups of angular contact bearing assemblies 30; therefore, the length of the bearing spacer 50 can be properly adjusted according to the precision requirement of the product in actual processing, the height difference of the two angular contact bearing assemblies 30 is further adjusted, the rigidity adjustment of the spindle is realized, and the precision processing requirement of the winding machine is further met.

Further, an oil storage groove 11 with a side outlet is formed in the outer side wall of the machine body 10, so that when the spindle structure of the winding machine is assembled to the winding machine, the oil storage groove 11 is filled with lubricating grease and then is installed in a sliding seat of the winding machine, the lubricating grease can ensure the smoothness of the up-and-down sliding of the spindle structure of the winding machine relative to the sliding seat of the winding machine, and the high-speed rotation of the winding machine is ensured.

Specifically, the oil reservoir 11 has a spiral shape, and the oil reservoir 11 extends in the central axis direction of the machine body 10, thereby achieving a complete lubrication effect.

In order to fully take away the heat on the winding mold seat 60 and realize quick heat dissipation; preferably, there are a plurality of cooling ports 61, and the plurality of cooling ports 61 are arranged circumferentially around the central axis of the shaft core 20; a plurality of cooling holes 61 can be convenient for dispel the heat fast, and cooling holes 61 is the circumference and arranges, arranges comparatively comprehensively, can take away the heat of each part of wire winding mould.

Fixing a winding die seat 60 at the lower side of the shaft core 20, and arranging a synchronous pulley 70 at the upper side of the shaft core 20, wherein the synchronous pulley 70 is in interference fit with the shaft core 20 through a taper sleeve 40; thus, the taper sleeve 40 is tightly attached to the shaft core 20 and the synchronous pulley 70 respectively, no gap exists between the three, and the coaxiality of the synchronous pulley 70 and the shaft core 20 can be ensured; further, when the winding machine is rotated at a high speed, the timing pulley 70 is provided coaxially with the shaft core 20, so that noise can be reduced.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. A spindle structure of a winding machine comprises a sliding seat; the method is characterized in that: the winding machine comprises a machine body, a shaft core, a bearing spacer bush, a winding die seat and two groups of angular contact bearing assemblies; the shaft core is connected in the machine body in a penetrating manner and is provided with a cooling channel; the winding die is fixedly connected with the shaft core and is provided with a cooling port communicated with the cooling channel; the two groups of angular contact bearing assemblies are respectively arranged on the upper side and the lower side of the shaft core and respectively bear the shaft core; the bearing spacer bush is sleeved outside the shaft core and is positioned between the two groups of angular contact bearing assemblies; an oil storage tank with a side opening is formed in the outer side wall of the machine body; the machine body is arranged in the sliding seat in a penetrating mode, and part of the oil storage tank is located in the sliding seat; the oil storage tank is spiral extending along the central axis direction of the machine body; the number of the cooling openings is multiple, and the multiple cooling openings are arranged circumferentially around the central axis of the shaft core.

2. The spindle structure of a winding machine according to claim 1, characterized in that: the winding die base is fixed on the lower side of the shaft core, a synchronous belt pulley is arranged on the upper side of the shaft core, and the synchronous belt pulley is in interference fit with the shaft core through a taper sleeve.