CN210615413U - Core shaft quick replacement mechanism for oil nozzle electric spark spray hole processing machine tool - Google Patents
Core shaft quick replacement mechanism for oil nozzle electric spark spray hole processing machine tool Download PDFInfo
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- CN210615413U CN210615413U CN201921305054.3U CN201921305054U CN210615413U CN 210615413 U CN210615413 U CN 210615413U CN 201921305054 U CN201921305054 U CN 201921305054U CN 210615413 U CN210615413 U CN 210615413U
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- main shaft
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Abstract
The utility model relates to a dabber quick replacement mechanism for fuel sprayer spark orifice machine tool, including the main shaft and be hollow axle bed, the one end rigid coupling bearing cap of axle bed, at the other end rigid coupling motor regulating plate of axle bed, the both ends of main shaft run through the axle bed and stretch out bearing cap and motor regulating plate respectively, in the first half of axle bed hollow portion, still cooperate a plurality of self-aligning ball bearings in the outer lane of main shaft, lie in that the self-aligning ball bearing of outermost portion passes through bearing nut locking, bearing nut and the outer lane spiro union of main shaft area external screw thread; a plurality of radial ball bearings are matched with the lower half part of the hollow part of the shaft seat and the outer ring of the main shaft; utilize the utility model discloses not only can realize the quick replacement of dabber, simultaneously through addding the clamp plate, increase the interval between self-aligning ball bearing and the radial ball bearing, and can reduce the circle of main shaft and dabber through outer driving source driven mode and beat.
Description
Technical Field
The utility model relates to the field of mechanical equipment, especially, relate to a dabber quick replacement mechanism for fuel sprayer spark orifice machine tool.
Background
In the present oil nozzle spark orifice machine tool in trade, because the variety of machined part variety specification, the mesopore seat face that every variety corresponds requires all to all be different, need change corresponding dabber when the work piece of processing different varieties, need get off the whole remounting adjustment of the subassembly of frock part, and this kind of dismantlement mode is wasted time and energy, has improved workman's intensity of labour greatly, has reduced production efficiency.
SUMMERY OF THE UTILITY MODEL
The applicant aims at the existing problems and carries out research and improvement, and provides a mandrel quick replacement mechanism for an oil nozzle spark spray hole machining machine tool, which realizes that only a mandrel needs to be replaced without disassembling a tool part assembly, thereby realizing the quick replacement of the mandrel and greatly reducing the jump rate of the whole structure.
The utility model discloses the technical scheme who adopts as follows:
the spindle quick replacement mechanism comprises a main shaft and a hollow shaft seat, wherein one end of the shaft seat is fixedly connected with a bearing cover, the other end of the shaft seat is fixedly connected with a motor adjusting plate, two ends of the main shaft penetrate through the shaft seat and respectively extend out of the bearing cover and the motor adjusting plate, a plurality of self-aligning ball bearings are matched with the upper half part of the hollow part of the shaft seat and the outer ring of the main shaft, the self-aligning ball bearings positioned at the outermost part are locked through bearing nuts, and the bearing nuts are in threaded connection with the outer ring of the main shaft with external threads; a plurality of radial ball bearings are matched with the lower half part of the hollow part of the shaft seat and the outer ring of the main shaft; a counter bore is formed in one end, extending out of the bearing cover, of the main shaft, one end of a ceramic column is matched with the counter bore, the other end of the ceramic column is matched with a through hole of the base, and a pressing plate is fixedly connected to the surface of the base;
the one end that the main shaft stretches out the motor regulating plate still cooperates first belt pulley and encoder in proper order, first belt pulley passes through the hold-in range and is connected with the second belt pulley, the output shaft cooperation of second belt pulley and motor.
The further technical scheme is as follows:
a ceramic gasket is arranged between the main shaft and the base, and a hole for the ceramic column to pass through is formed in the center of the ceramic gasket;
a sealing ring is arranged at the matching position of the bearing cover and the main shaft;
and a waterproof cover is arranged on the periphery of the bearing cover and is fixedly connected with the outer side of the main shaft through a fastening piece.
The utility model has the advantages as follows:
the utility model discloses simple structure, convenient to use utilizes the utility model discloses not only can realize the quick replacement of dabber, simultaneously through addding the clamp plate, increase the interval between self-aligning ball bearing and the radial ball bearing, and can reduce the circle of main shaft and dabber through outer driving source driven mode and beat. The utility model discloses avoid in the past need with the problem of frock part whole demolishs in order to change the dabber, greatly reduced workman's intensity of labour, labour saving and time saving.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: 1. a mandrel; 2. pressing a plate; 201. a screw mounting hole; 3. a base; 4. a ceramic gasket; 5. a ceramic post; 6. a main shaft; 7. a seal ring; 8. a waterproof cover; 9. a self-aligning ball bearing; 10. a bearing nut; 11. a shaft seat; 1101. a motor adjusting plate; 1102. pressing a ring; 12. a radial ball bearing; 13. a first pulley; 14. an encoder; 15. a waterproof housing; 16. a synchronous belt; 17. a second pulley; 18. a motor; 19. a waterproof cover connecting plate; 20. and a bearing cover.
Detailed Description
The following describes embodiments of the present invention.
As shown in fig. 1, the spindle quick replacement mechanism for the oil nozzle spark spray hole machining tool comprises a main shaft 6 and a hollow shaft seat 11, wherein one end of the shaft seat 11 is fixedly connected with a bearing cover 20, the other end of the shaft seat 11 is fixedly connected with a motor adjusting plate 1101, two ends of the main shaft 6 penetrate through the shaft seat 11 and respectively extend out of the bearing cover 20 and the motor adjusting plate 1101, a plurality of self-aligning ball bearings 9 are matched with the upper half part of the hollow part of the shaft seat 11 and the outer ring of the main shaft 6, the ball bearing 9 positioned at the outermost part of the self-aligning ball bearings is locked by a bearing nut 10, and the bearing; a plurality of radial ball bearings 12 are matched with the lower half part of the hollow part of the shaft seat 11 and the outer ring of the main shaft 6; the one end that main shaft 6 stretches out bearing cap 20 is seted up the counter bore, the one end and the counter bore cooperation of ceramic post 5, the other end and the through-hole cooperation of base 3 of ceramic post 5, still rigid coupling clamp plate 2 on the surface of base 3, set up 3 screw mounting holes 201 on clamp plate 2, each screw mounting hole 201 uses the axle center of clamp plate 2 as the center equipartition, also sets up the through-hole that supplies dabber 1 to run through on clamp plate 2.
As shown in fig. 1, one end of the spindle 6 extending out of the motor adjustment plate 1101 is further sequentially matched with a first belt pulley 13 and an encoder 14, the first belt pulley 13 is connected with a second belt pulley 17 through a timing belt 16, and the second belt pulley 17 is matched with an output shaft of a motor 18. A ceramic gasket 4 is arranged between the main shaft 6 and the base 3, and a hole for the ceramic column 5 to pass through is formed in the center of the ceramic gasket 4. A sealing ring 7 is also arranged at the matching part of the bearing cover 20 and the main shaft 6. A waterproof cover 8 is arranged on the periphery of the bearing cover 20, and the waterproof cover 8 is fixedly connected with the outer side of the main shaft 6 through a fastening piece.
As shown in fig. 1, one end of the shaft seat 11 connected to the motor adjusting plate 1101 is disposed in the waterproof housing 15, the waterproof housing 15 is connected to the lower surface of the external seat body through the waterproof cover connecting plate 19, a pressing ring 1102 is further fitted around the upper end of the shaft seat 11, and the pressing ring 1102 is also fixedly connected to the upper surface of the external seat body through a fastener.
As shown in fig. 1, the specific working process of the present invention is as follows:
the mandrel 1 is inserted into the through hole of the pressing plate 2 and the through hole of the base 3 when the pressing plate 2 is not locked, and is abutted against one end of the ceramic column 5, and the ceramic column 5 has a guiding effect. Then screws are installed into the screw installation holes on the pressure plate 2 for locking and fixing, so that the end part of the mandrel 1 is reduced in jumping. Because the self-aligning ball bearing 9 and the radial ball bearing 12 which are matched with the seed spindle 6 are arranged in the shaft seat 11, and the distance between the self-aligning ball bearing 9 and the radial ball bearing 12 is increased, the circular run-out of the upper half part and the lower half part of the spindle 6 during working is ensured. In the actual working process, the second belt pulley 17, the synchronous belt 16 and the first belt pulley 13 are driven by the motor 18 to realize the rotation of the main shaft 6 and the mandrel 1.
The utility model discloses simple structure, convenient to use utilizes the utility model discloses not only can realize the quick replacement of dabber, simultaneously through addding the clamp plate, increase the interval between self-aligning ball bearing and the radial ball bearing, and can reduce the circle of main shaft and dabber through outer driving source driven mode and beat. The utility model discloses avoid in the past need with the problem of frock part whole demolishs in order to change the dabber, greatly reduced workman's intensity of labour, labour saving and time saving.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made without departing from the basic structure of the invention.
Claims (4)
1. A dabber quick replacement mechanism for nozzle spark orifice machining machine tool, include main shaft (6) and be hollow axle bed (11) one end rigid coupling bearing cap (20) of axle bed (11) the other end rigid coupling motor regulating plate (1101) of axle bed (11), the both ends of main shaft (6) run through axle bed (11) and stretch out bearing cap (20) and motor regulating plate (1101) respectively, its characterized in that: a plurality of self-aligning ball bearings (9) are matched with the upper half part of the hollow part of the shaft seat (11) and the outer ring of the main shaft (6), the self-aligning ball bearing (9) positioned at the outermost part is locked by a bearing nut (10), and the bearing nut (10) is in threaded connection with the outer ring with external threads of the main shaft (6); a plurality of radial ball bearings (12) are matched with the lower half part of the hollow part of the shaft seat (11) and the outer ring of the main shaft (6); a counter bore is formed in one end, extending out of the bearing cover (20), of the main shaft (6), one end of the ceramic column (5) is matched with the counter bore, the other end of the ceramic column (5) is matched with a through hole of the base (3), and a pressing plate (2) is fixedly connected to the surface of the base (3);
the one end that main shaft (6) stretched out motor regulating plate (1101) still coordinates first belt pulley (13) and encoder (14) in proper order, first belt pulley (13) are connected with second belt pulley (17) through hold-in range (16), the output shaft cooperation of second belt pulley (17) and motor (18).
2. The spindle quick-change mechanism for a fuel injector edm machine as claimed in claim 1, wherein: a ceramic gasket (4) is arranged between the main shaft (6) and the base (3), and a hole for the ceramic column (5) to pass through is formed in the center of the ceramic gasket (4).
3. The spindle quick-change mechanism for a fuel injector edm machine as claimed in claim 1, wherein: and a sealing ring (7) is also arranged at the matching part of the bearing cover (20) and the main shaft (6).
4. The spindle quick-change mechanism for a fuel injector edm machine as claimed in claim 3, wherein: and a waterproof cover (8) is arranged on the periphery of the bearing cover (20), and the waterproof cover (8) is fixedly connected with the outer side of the main shaft (6) through a fastening piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921305054.3U CN210615413U (en) | 2019-08-12 | 2019-08-12 | Core shaft quick replacement mechanism for oil nozzle electric spark spray hole processing machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921305054.3U CN210615413U (en) | 2019-08-12 | 2019-08-12 | Core shaft quick replacement mechanism for oil nozzle electric spark spray hole processing machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210615413U true CN210615413U (en) | 2020-05-26 |
Family
ID=70762916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921305054.3U Active CN210615413U (en) | 2019-08-12 | 2019-08-12 | Core shaft quick replacement mechanism for oil nozzle electric spark spray hole processing machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210615413U (en) |
-
2019
- 2019-08-12 CN CN201921305054.3U patent/CN210615413U/en active Active
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