CN213004338U - A main shaft structure and vertical ball-polishing machine for vertical ball-polishing machine - Google Patents
A main shaft structure and vertical ball-polishing machine for vertical ball-polishing machine Download PDFInfo
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- CN213004338U CN213004338U CN202021922235.3U CN202021922235U CN213004338U CN 213004338 U CN213004338 U CN 213004338U CN 202021922235 U CN202021922235 U CN 202021922235U CN 213004338 U CN213004338 U CN 213004338U
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Abstract
The utility model discloses a main shaft structure and vertical ball polishing machine for vertical ball polishing machine. The main shaft structure comprises a main shaft, a shaft sleeve, a fixing sleeve and a spiral bevel gear, wherein the shaft sleeve is sleeved outside the upper part of the main shaft, and the upper part of the main shaft is in key connection transmission with the shaft sleeve; the fixed sleeve is sleeved outside the shaft sleeve, and the inner side of the upper part of the fixed sleeve is provided with a thrust bearing for providing a rotary support for the photosphere disc; a first bearing and a second bearing are arranged between the fixed sleeve and the shaft sleeve and are respectively limited and fixed by a first limiting part and a second limiting part on the outer side wall of the shaft sleeve; one side of the upper part of the fixed sleeve is also provided with an oil transportation channel; the outer side of the lower end of the main shaft is also connected with a second flange; the spiral bevel gear is fixed at the outer edge of the top of the second flange and is driven by the motor to drive the main shaft and the shaft sleeve to rotate so as to drive the photosphere disc to rotate. The utility model discloses a structure is simple more reasonable, easily processing and assembly to the required work load of maintenance has been reduced.
Description
Technical Field
The utility model belongs to the ball polishing machine field specifically is a main shaft structure and vertical ball polishing machine for vertical ball polishing machine.
Background
The ball polishing machine is key equipment in the processing production of steel balls, and a steel ball blank is cut and processed into balls when rotating in a ball polishing disc of the ball polishing machine. The rotation of the photosphere disk is driven by a main shaft structure, and a plurality of rotating parts such as bearings are arranged in the main shaft structure. The spindle of the existing ball finishing machine is complex in structure, two long sleeves need to be arranged between two radial bearings, and the difficulty of processing and assembling is high. In addition, after the ball burnishing machine works for a period of time, along with the consumption of lubrication, especially the consumption of lubricating oil at the rotating part at the lower part of the main shaft structure is large, the main shaft structure of the existing ball burnishing machine can be filled with the lubricating oil after being disassembled to ensure the stable operation of the main shaft structure, and therefore regular maintenance is needed.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the first object of the present invention is to provide a main shaft structure for a vertical ball polishing machine.
The second purpose of the utility model is to provide a vertical ball polishing machine.
The utility model provides a technical scheme that above-mentioned technical problem adopted is:
the utility model provides a main shaft structure for vertical ball polishing machine, includes main shaft, axle sleeve, fixed cover and spiral bevel gear, wherein:
the shaft sleeve is sleeved outside the upper part of the main shaft, the upper part of the main shaft is in key connection transmission with the shaft sleeve, and the top surface of the shaft sleeve is provided with a fixing hole for fixedly connecting with the photosphere disk;
the fixing sleeve is sleeved on the outer side of the shaft sleeve, and the upper part of the fixing sleeve outwards extends to form an annular first connecting part which is used for being fixedly connected with a lathe bed of the ball finishing machine; the inner side of the upper part of the fixed sleeve is provided with a thrust bearing for providing a rotary support for the photosphere disk;
a first bearing is arranged between the inner side of the upper part of the fixed sleeve and the shaft sleeve, a first limiting part is fixed on the outer side wall of the shaft sleeve, and the first limiting part is propped against the lower part of the inner ring of the first bearing; a second bearing is arranged between the inner side of the lower part of the fixed sleeve and the outer side of the lower part of the shaft sleeve, a second limiting part is fixed on the outer side wall of the shaft sleeve, and the second limiting part is propped against the lower part of the inner ring of the second bearing; one side of the upper part of the fixed sleeve is also provided with an oil delivery channel for filling lubricating oil into the fixed sleeve;
a second flange is further sleeved on the outer side of the lower end of the main shaft, and the second flange and the main shaft are in key connection transmission; the spiral bevel gear is fixed at the outer edge of the top of the second flange, is in transmission connection with the motor, and drives the main shaft and the shaft sleeve to rotate under the driving of the motor so as to drive the photosphere disc to rotate.
Furthermore, a cushion block is arranged below the second flange, the width of the cushion block is larger than that of the through hole in the middle of the second flange, and a screw penetrates through the middle of the cushion block and penetrates into the lower end of the main shaft to fixedly connect the second flange with the main shaft.
Further, a first flange is fixed at the bottom of the fixed sleeve and sleeved outside the main shaft; the lower end of the main shaft penetrates through the middle part of the first flange and protrudes out of the lower part of the first flange.
Furthermore, a third bearing is arranged between the first flange and the main shaft, and a spacer bush is arranged between an inner ring of the third bearing and the second flange.
According to a preferred embodiment, the outer diameter of the upper part of the first flange matches the inner diameter of the lower part of the retaining sleeve, and after the two are fixed together, the upper part of the first flange is inserted into the lower part of the retaining sleeve.
Furthermore, the oil delivery channel is also communicated with an oil storage cup, and lubricating oil in the oil storage cup can enter the fixed sleeve along the oil delivery channel.
According to a preferred embodiment, the oil delivery channel is connected to the oil cup by means of a pipe.
Still further, a long sleeve is arranged between the outer rings of the first bearing and the second bearing, the upper end and the lower end of the long sleeve are abutted between the outer rings of the first bearing and the second bearing, the outer diameter of the lower part of the long sleeve is slightly smaller than the inner diameter of the lower part of the fixed sleeve, the size difference between the long sleeve and the fixed sleeve is small, and no seal is formed, so that lubricating oil can slowly permeate downwards.
According to a preferred embodiment, the outer diameter of the shaft sleeve decreases from top to bottom in a step shape; the outer diameter of the upper end of the shaft sleeve is the largest and is pressed above the thrust bearing.
According to a preferred embodiment, the inner diameter of the upper end of the shaft sleeve is larger than the outer diameter of the upper end of the main shaft, so that a limit step is formed at the position, a third limit part is fixed on the outer side of the upper end of the main shaft, and the third limit part is clamped at the limit step at the upper end of the shaft sleeve.
The utility model provides a vertical ball-polishing machine, includes above-mentioned main shaft structure that is used for vertical ball-polishing machine, and this vertical ball-polishing machine's other subassemblies are prior art.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the structure is simpler reasonable, changes in processing and assembly.
2. The lubricating oil filling is more convenient, the machine disassembly and maintenance are not needed, the continuous and stable operation of the machine table is ensured, and the maintenance workload is reduced.
3. The oil conveying channel is formed in the fixing sleeve of the main shaft structure, the oil conveying channel can be communicated with oil storage devices such as an oil storage cup, and further lubricating oil can slowly permeate downwards by means of the matching between the fixing sleeve and the long sleeve arranged in the fixing sleeve, so that the lubricating effect of rotating parts in the fixing sleeve is guaranteed.
Drawings
Fig. 1 is a schematic sectional view of a spindle structure of a vertical ball finishing machine according to an embodiment.
Fig. 2 is a schematic view of the fixing sleeve, the first flange, the spiral bevel gear and the second flange in fig. 1, and also shows a communication structure of the oil delivery passage and the oil storage cup.
Fig. 3 is a schematic view of the spindle and sleeve of fig. 1.
Description of the figure numbers:
10. a main shaft.
20. The shaft sleeve comprises a shaft sleeve body, 21, a first limiting part, 22, a second limiting part, 23, a third limiting part and 24 limiting steps.
30. The bearing comprises a fixed sleeve, 31, a first connecting part, 32, a thrust support, 33, a first bearing, 34, a second bearing, 35, an oil delivery channel, 36, an oil storage cup, 360, a pipeline and 37, and the long sleeve is arranged on the fixed sleeve.
40. First flange, 41 third bearing.
50. Spiral bevel gear, 51, second flange, 52, cushion block, 53, spacer.
60. A photosphere disk.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
As shown in fig. 1, the main shaft structure for the vertical ball finishing machine of the present embodiment includes a main shaft 10, a shaft sleeve 20, a fixing sleeve 30, and a spiral bevel gear 50.
The shaft sleeve 20 is sleeved outside the upper portion of the main shaft 10, the upper portion of the main shaft 10 is in key connection transmission with the shaft sleeve 20, and the top surface of the shaft sleeve 20 is provided with a fixing hole for being fixedly connected with the photosphere disk 60 by means of a fixing member, such as a screw. The utility model discloses in do not improve photosphere dish 60, the technical personnel in the field adopt the photosphere dish of current vertical photosphere machine to realize. When the main shaft 10 is driven to rotate, the optical ball disc 60 and the shaft sleeve 20 are driven to rotate together.
The fixing sleeve 30 is sleeved on the outer side of the shaft sleeve 20, an annular first connecting portion 31 extends outwards from the upper portion of the fixing sleeve 30, and a plurality of fixing holes are also formed in the first connecting portion 31 and are used for being fixedly connected with the bed body of the ball finishing machine by means of fixing pieces such as screws. The upper inner side of the harness 30 is provided with a thrust bearing 32 for providing rotational support for the puck 60.
A first bearing 33 is arranged between the inner side of the upper part of the fixed sleeve 30 and the shaft sleeve 20, a first limiting part 21 is fixed on the outer side wall of the shaft sleeve 20, and the first limiting part 21 is propped against the lower part of the inner ring of the first bearing 33 for preventing the first bearing 33 from falling down. A second bearing 34 is provided between the lower inner side of the fixing sleeve 30 and the lower outer side of the sleeve 20. The outer side wall of the shaft sleeve 20 is fixed with a second limiting part 22, and the second limiting part 22 is pressed against the lower part of the inner ring of the second bearing 34 to prevent the second bearing 34 from falling downwards. Wherein, an oil delivery channel 35 is further opened at one side of the upper portion of the fixing sleeve 30 for filling the lubricating oil into the fixing sleeve 30.
A second flange 51 is further sleeved on the outer side of the lower end of the main shaft 10, and the second flange are in key connection transmission; the spiral bevel gear 50 is fixed at the top outer edge of the second flange 51, and is used for being in transmission connection with a motor, and the spindle 10 and the shaft sleeve 20 are driven by the motor to rotate, so as to drive the light ball disc 60 to rotate.
In the main shaft structure of the embodiment, two long sleeves are prevented from being arranged between the first bearing 33 and the second bearing 34, and the difficulty of processing and assembling is reduced. In addition, the oil delivery channel 35 is arranged on the fixed sleeve 30, so that lubricating oil can be conveniently filled from the outside, the lubricating oil does not need to be filled after disassembly, the maintenance workload is reduced, and the machine can continuously and stably operate.
Further, a cushion block 52 is arranged at the bottom of the second flange 51, the width of the cushion block 52 is larger than that of a through hole in the middle of the second flange 51, and a screw penetrates through the middle of the cushion block 52 and penetrates through the lower end of the main shaft 10, so that the second flange 51 is fixedly connected with the main shaft 10.
Further, a first flange 40 is fixed at the bottom of the fixing sleeve 30, and the first flange 40 is sleeved outside the main shaft 10. In this embodiment, the outer diameter of the upper portion of the first flange 40 preferably matches the inner diameter of the lower portion of the pouch 30, and when secured together, the upper portion of the first flange 40 is inserted into the lower portion of the pouch 30. The lower end of the main shaft 10 passes through the middle of the first flange 40 and protrudes below the first flange 40.
Further, a third bearing 41 is further disposed between the first flange 40 and the main shaft 10 to allow the first flange 41 and the main shaft 10 to rotate, and simultaneously, the third bearing plays a role in limiting the lower portion of the main shaft 10 to prevent the lower portion of the main shaft 10 from being in a suspended state. A spacer 53 is disposed between the inner ring of the third bearing 41 and the second flange 51 to separate the second flange 51 from the first flange 41.
As shown in fig. 2, the oil delivery channel 35 is further communicated with an oil storage cup 36, and after the oil storage cup 36 is filled with lubricating oil, the lubricating oil enters the fixed sleeve 30 along the oil delivery channel to lubricate rotating parts such as bearings and the like arranged inside. Preferably, the oil delivery channel 35 can be connected to the oil cup 36 by a pipe 360, and the oil cup 36 can be disposed outside the machine platform to facilitate the filling of the lubricating oil.
Still further, a long sleeve 37 is further arranged between the outer rings of the first bearing 33 and the second bearing 34, and the upper end and the lower end of the long sleeve 37 are pressed between the outer rings of the first bearing 33 and the second bearing 34. And the outer diameter of the lower part of the long sleeve 37 is slightly smaller than the inner diameter of the lower part of the fixed sleeve 30, the two have small size difference and do not form a seal, and the lubricating oil is allowed to slowly permeate downwards into the second bearing 34 and the third bearing 41.
As shown in fig. 3, the outer diameter of the sleeve 20 preferably decreases from top to bottom in a step shape. The outer diameter of the upper end of the sleeve 20 is the largest and presses above said thrust bearings 32, so that the thrust bearings 32 are pressed between the upper part of the sleeve 20 and the upper part of the sleeve 30. The light ball disc 60 is fixed to the sleeve 20, and the thrust bearing 32 indirectly provides rotational support for the light ball disc 60.
Preferably, the inner diameter of the upper end of the shaft sleeve 20 is greater than the outer diameter of the upper end of the spindle 10, so that a limit step 24 is formed at the position, a third limit portion 23 is fixed at the outer side of the upper end of the spindle 10, the third limit portion 23 is clamped at the limit step 24 at the upper end of the shaft sleeve 20, and at this time, the limit step 24 at the upper end of the shaft sleeve 20 provides a limit support for the upper end of the spindle 10, so as to improve the stability of the spindle structure.
The utility model discloses a main shaft stable in structure is reliable, need not tear the machine open and maintain when filling lubricating oil in to the main shaft structure, has guaranteed that the board continuously operates steadily, and is convenient for process and assembly, has improved production efficiency.
The above embodiments describe the structure of the main shaft structure for a vertical ball polishing machine of the present invention in detail, but should not be considered as limiting the present invention. It will be readily understood that modifications, substitutions and further improvements may be made by those skilled in the art based on the teachings of the present invention, but any modifications or equivalents will fall within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a main shaft structure for vertical ball polishing machine, its characterized in that includes main shaft, axle sleeve, fixed cover and spiral bevel gear, wherein:
the shaft sleeve is sleeved outside the upper part of the main shaft, the upper part of the main shaft is in key connection transmission with the shaft sleeve, and the top surface of the shaft sleeve is provided with a fixing hole for fixedly connecting with the photosphere disk;
the fixing sleeve is sleeved on the outer side of the shaft sleeve, and the upper part of the fixing sleeve outwards extends to form an annular first connecting part which is used for being fixedly connected with a lathe bed of the ball finishing machine; the inner side of the upper part of the fixed sleeve is provided with a thrust bearing for providing a rotary support for the photosphere disk;
a first bearing is arranged between the inner side of the upper part of the fixed sleeve and the shaft sleeve, a first limiting part is fixed on the outer side wall of the shaft sleeve, and the first limiting part is propped against the lower part of the inner ring of the first bearing; a second bearing is arranged between the inner side of the lower part of the fixed sleeve and the outer side of the lower part of the shaft sleeve, a second limiting part is fixed on the outer side wall of the shaft sleeve, and the second limiting part is propped against the lower part of the inner ring of the second bearing; one side of the upper part of the fixed sleeve is also provided with an oil delivery channel for filling lubricating oil into the fixed sleeve;
a second flange is further sleeved on the outer side of the lower end of the main shaft, and the second flange and the main shaft are in key connection transmission; the spiral bevel gear is fixed at the outer edge of the top of the second flange, is in transmission connection with the motor, and drives the main shaft and the shaft sleeve to rotate under the driving of the motor so as to drive the photosphere disc to rotate.
2. The spindle structure according to claim 1, wherein a spacer is further provided below the second flange, the spacer has a width larger than that of the through hole in the middle of the second flange, and a screw is inserted through the middle of the spacer and into the lower end of the spindle to fixedly connect the second flange and the spindle.
3. The spindle structure according to claim 1, wherein a first flange is fixed to a bottom of the fixing sleeve, and the first flange is sleeved on an outer side of the spindle; the lower end of the main shaft penetrates through the middle part of the first flange and protrudes out of the lower part of the first flange; and a third bearing is arranged between the first flange and the main shaft, and a spacer bush is arranged between an inner ring of the third bearing and the second flange.
4. The spindle structure according to claim 3, wherein the outer diameter of the upper portion of the first flange is matched with the inner diameter of the lower portion of the stationary sleeve, and the upper portion of the first flange is inserted into the lower portion of the stationary sleeve after the first flange and the stationary sleeve are fixed together.
5. The spindle structure according to claim 1, wherein the oil delivery passage further communicates with an oil reservoir cup, and the lubricant in the oil reservoir cup can enter the stationary sleeve along the oil delivery passage.
6. The main shaft structure according to claim 1, wherein the oil delivery passage is connected to the oil reservoir cup by a pipe.
7. The spindle structure according to claim 5, wherein a long sleeve is further provided between the outer races of the first and second bearings, upper and lower ends of the long sleeve are abutted between the outer races of the first and second bearings, and an outer diameter of a lower portion of the long sleeve is slightly smaller than an inner diameter of a lower portion of the fixed sleeve, which are small in size difference and do not form a seal to allow the lubricant to slowly permeate downward.
8. The spindle structure according to claim 1, wherein the outer diameter of the bushing is gradually reduced from top to bottom in a step shape; the outer diameter of the upper end of the shaft sleeve is the largest and is pressed above the thrust bearing.
9. The spindle structure according to claim 1, wherein the inner diameter of the upper end of the sleeve is larger than the outer diameter of the upper end of the spindle, so as to form a limit step at the upper end, and a third limit portion is fixed on the outer side of the upper end of the spindle and is clamped at the limit step at the upper end of the sleeve.
10. A vertical ball burnishing machine, characterized by comprising the spindle structure of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021922235.3U CN213004338U (en) | 2020-09-04 | 2020-09-04 | A main shaft structure and vertical ball-polishing machine for vertical ball-polishing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021922235.3U CN213004338U (en) | 2020-09-04 | 2020-09-04 | A main shaft structure and vertical ball-polishing machine for vertical ball-polishing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213004338U true CN213004338U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021922235.3U Active CN213004338U (en) | 2020-09-04 | 2020-09-04 | A main shaft structure and vertical ball-polishing machine for vertical ball-polishing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213004338U (en) |
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2020
- 2020-09-04 CN CN202021922235.3U patent/CN213004338U/en active Active
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