CN213808445U

CN213808445U - Telescopic rotating main shaft

Info

Publication number: CN213808445U
Application number: CN202022430636.3U
Authority: CN
Inventors: 胡明星
Original assignee: Dongguan Ai Neng Ju Machinery Co ltd
Current assignee: Dongguan Ai Neng Ju Machinery Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-07-27
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses a telescopic rotating main shaft, including top subassembly, rotating assembly and connecting rod, connecting rod one end is provided with spline portion, spline portion runs through rotating assembly, and spline portion and rotating assembly sliding connection, the one end that spline portion was kept away from to the connecting rod inserts top subassembly, and the connecting rod is connected with top subassembly, swing joint has the cylinder assembly on the connecting rod, and this cylinder assembly is located between top subassembly and the spline portion. The utility model discloses possess simple structure, small advantage, use on the multiaxis numerical control equipment, volume, the space of reducible equipment account for than, make things convenient for the staff to control and observe.

Description

Telescopic rotating main shaft

Technical Field

The utility model relates to a digit control machine tool mechanism technical field specifically is a telescopic rotating main shaft.

Background

The drilling and milling machine is a machine tool device integrating drilling, milling, boring and grinding into a whole, and is applied to the processing of small and medium-sized parts. Drilling and milling machine mainly is used for processing metal accessories or other spare parts, and in the course of working, the flexible characteristic that needs to use the main shaft is processed spare part, and more has flexible and rotatory integral type processing of needs, and the current flexible and rotatory integral type structure of beating the part is: the output end of the telescopic mechanism is connected with a rotating mechanism; this kind of structure is bulky, the space accounts for than many, and telescopic machanism needs whole promotion rotary mechanism, represents telescopic machanism promptly for the mechanism that thrust is big, the energy consumption is big, should stretch out and draw back and use on multiaxis numerical control equipment with rotatory integral type main shaft, increased the holistic volume of equipment undoubtedly, is unfavorable for the staff to control and observe.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a telescopic rotating main shaft possesses simple structure, small advantage, has solved the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a telescopic rotating main shaft, includes top subassembly, rotating assembly and connecting rod, connecting rod one end is provided with spline portion, spline portion runs through rotating assembly, and spline portion and rotating assembly sliding connection, the connecting rod is kept away from the one end of spline portion and is inserted the top subassembly, and the connecting rod is connected with the top subassembly, swing joint has the cylinder assembly on the connecting rod, and this cylinder assembly is located between top subassembly and the spline portion.

Preferably, the rotating assembly comprises a spline housing, a cylinder sleeve, a spacer ring, a first end cover, a synchronizing wheel and a first nut, the spacer ring covers the circumferential end face of the spline housing and is fixedly connected with the spline housing, the first end cover covers the circumferential end face of the spacer ring, the cylinder sleeve is connected with the first end cover, the synchronizing wheel is sleeved in the spline housing and is in threaded connection with the spline housing, and the synchronizing wheel is fixed between the first nut and the first end cover.

Preferably, be equipped with the splined hole with the looks adaptation of spline portion in the middle of the spline housing, the splined hole can supply spline portion to insert, and spline portion can follow the splined hole and make a round trip to slide.

Preferably, the oil cylinder component comprises a piston cylinder, a piston and a second end cover, the connecting rod penetrates through the piston and is connected with the piston, the piston cylinder is connected with the second end cover, the piston cylinder and the second end cover are both sleeved on the circumferential end face of the piston, one end, far away from the rotating component, of the piston is in contact connection with the jacking component, a second nut is further arranged on the connecting rod and is located in the piston and close to one end of the jacking component.

Preferably, the piston cylinder, the piston and the second end cover are provided with an airtight space, a circular ring part is arranged on the circumferential end face of the piston, the circular ring part is located in the airtight space and attached to the inner circumferential face of the piston cylinder, a first cavity and a second cavity are arranged in the airtight space through separation of the circular ring part, a first oil hole and a second oil hole are formed in the piston cylinder, the first oil hole is communicated with the first cavity, and the second oil hole is communicated with the second cavity.

Preferably, the top component comprises a transition disc and a taper disc, the taper plate is fixedly arranged on the transition disc, the transition disc is connected with the connecting rod, and the transition disc is in contact connection with the piston.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model provides a telescopic rotating main shaft, the spline portion that rotating assembly rotated on accessible spline housing and the connecting rod drives a subassembly and rotates, reaches rotatory effect, through first oilhole and second oilhole, increases or reduces the oil pressure, can make the piston promote a subassembly and connecting rod, and spline portion makes a round trip to slide in the spline is downthehole, reaches flexible effect, just the utility model discloses flexible rotation axis volume among the contrast prior art is littleer.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a cross-sectional view of the present invention.

The reference numerals and names in the figures are as follows:

1. a connecting rod; 2. a spline section; 3. a spline housing; 4. a cylinder liner; 5. a space ring; 6. a first end cap; 7. a synchronizing wheel; 8. a first nut; 9. a splined bore; 10. a piston cylinder; 11. a piston; 12. a second end cap; 13. a second nut; 14. a circular ring part; 15. a first cavity; 16. a second cavity; 17. a first oil hole; 18. a second oil hole; 19. a dial-over plate; 20. a tapered disc.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: the utility model provides a telescopic rotating main shaft, includes top subassembly, rotating assembly and connecting

rod

1, 1 one end of connecting rod is provided with spline portion 2, spline portion 2 runs through rotating assembly, and spline portion 2 and rotating assembly sliding connection, the one end that spline portion 2 was kept away from to connecting rod 1 inserts the top subassembly, and connecting rod 1 is connected with the top subassembly, swing joint has the cylinder assembly on connecting rod 1, this cylinder assembly is located between top subassembly and the spline portion 2.

Concretely, rotating assembly includes spline housing 3, cylinder liner 4, spacer ring 5, first end cover 6, synchronizing wheel 7 and

first nut

8, 3 circumference terminal surfaces of spacer ring 5 cladding spline housing, and with spline housing 3 fixed connection, first end cover 6 cladding is at 5 circumference terminal surfaces of spacer ring, cylinder liner 4 is connected with first end cover 6, synchronizing wheel 7 embolias spline housing 3,

first nut

8 and 3 threaded connection of spline housing, synchronizing wheel 7 is fixed between first nut 8 and first end cover 6. Wherein, synchronizing wheel 7 is used for linkage connection rotary equipment, and first nut 8 presss from both sides tight synchronizing wheel 7 with first end cover 6, and synchronizing wheel 7 drives the rotating assembly and wholly rotates.

Specifically, be equipped with in the middle of the spline housing 3 with the splined hole 9 of the looks adaptation of spline portion 2, spline hole 9 can supply spline portion 2 to insert, and splined hole 9 meshes with spline portion 2 mutually, and rotating assembly rotates and can drive connecting rod 1 rotatory, and spline portion 2 can follow spline hole 9 and make a round trip to slide.

Specifically, the oil cylinder component comprises a piston cylinder 10, a piston 11 and a second end cover 12, a connecting rod 1 penetrates through the piston 11 and is connected with the piston 11, the piston cylinder 10 is connected with the second end cover 12, the piston cylinder 10 and the second end cover 12 are both sleeved on the circumferential end face of the piston 11, one end, far away from the rotating component, of the piston 11 is in contact connection with the top component, a second nut 13 is further arranged on the connecting rod 1, the second nut 13 is positioned in the piston 11 and is close to one end of the top component, a closed space is formed in the piston cylinder 10, the piston 11 and the second end cover 12, a circular ring part 14 is arranged on the circumferential end face of the piston, the circular ring part 14 is positioned in the closed space and is attached to the inner circumferential face of the piston cylinder 10, the closed space is divided by the circular ring part 14 and is provided with a first cavity 15 and a second cavity 16, a first oil hole 17 and a second oil hole 18 are arranged on the piston cylinder 10, the first oil hole 17 is communicated with the first cavity 15, the second oil hole 18 communicates with the second chamber 16.

Oil is injected through the first oil hole 17, the oil pressure in the first cavity 15 pushes the circular ring part 14, the volume of the first cavity 15 is increased, meanwhile, the volume of the second cavity 16 is reduced, and the piston 11 drives the connecting rod 1 and the ejector component to move backwards to perform a contraction action; through the oiling of second oilhole 18, the oil pressure in the second cavity 16 promotes ring portion 14, and first cavity 15 volume reduces, and the oil in the first cavity 15 is discharged from first oilhole 17, and the 16 volume increases of second cavity simultaneously, and piston 11 drives connecting rod 1 and kicking piece subassembly and moves forward, does a propulsion action, the flexible effect that has reached.

Specifically, the ejector component comprises an over-scale disc 19 and a taper disc 20, the taper plate 20 is fixedly installed on the over-scale disc 19, the over-scale disc 19 is connected with the connecting rod 1, the over-scale disc 19 is in contact connection with the piston 11, the taper disc 20 is used for connecting a workpiece, and the ejector component can rotate along with the connecting rod 1, so that a rotating effect is achieved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a telescopic rotating main shaft, includes top member subassembly, rotating assembly and connecting rod (1), its characterized in that: connecting rod (1) one end is provided with spline portion (2), rotating assembly is run through in spline portion (2), and spline portion (2) and rotating assembly sliding connection, the one end that spline portion (2) were kept away from in connecting rod (1) inserts a subassembly, and connecting rod (1) is connected with a subassembly, swing joint has the hydro-cylinder subassembly on connecting rod (1), and this hydro-cylinder subassembly is located between top subassembly and spline portion (2).

2. A telescopic rotating spindle according to claim 1, characterized in that: the rotating assembly comprises a spline housing (3), a cylinder sleeve (4), a spacer ring (5), a first end cover (6), a synchronizing wheel (7) and a first nut (8), the spacer ring (5) covers the circumferential end face of the spline housing (3) and is fixedly connected with the spline housing (3), the first end cover (6) covers the circumferential end face of the spacer ring (5), the cylinder sleeve (4) is connected with the first end cover (6), the synchronizing wheel (7) is sleeved into the spline housing (3), the first nut (8) is in threaded connection with the spline housing (3), and the synchronizing wheel (7) is fixed between the first nut (8) and the first end cover (6).

3. A telescopic rotating spindle according to claim 2, characterized in that: spline housing (3) middle spline hole (9) that are equipped with the looks adaptation with spline portion (2), spline hole (9) can supply spline portion (2) to insert, and spline portion (2) can be followed spline hole (9) and made a round trip to slide.

4. A telescopic rotating spindle according to claim 1, characterized in that: the oil cylinder component comprises a piston cylinder (10), a piston (11) and a second end cover (12), the connecting rod (1) penetrates through the piston (11) and is connected with the piston (11), the piston cylinder (10) is connected with the second end cover (12), the piston cylinder (10) and the second end cover (12) are both sleeved on the circumferential end face of the piston (11), one end, far away from the rotating component, of the piston (11) is in contact connection with the jacking component, a second nut (13) is further arranged on the connecting rod (1), and the second nut (13) is located in the piston (11) and is close to one end of the jacking component.

5. Telescopic rotating spindle according to claim 4, characterized in that: a closed space is formed in the piston cylinder (10), the piston (11) and the second end cover (12), a circular ring portion (14) is arranged on the circumferential end face of the piston, the circular ring portion (14) is located in the closed space and attached to the inner circumferential face of the piston cylinder (10), a first cavity (15) and a second cavity (16) are formed in the closed space and separated through the circular ring portion (14), a first oil hole (17) and a second oil hole (18) are formed in the piston cylinder (10), the first oil hole (17) is communicated with the first cavity (15), and the second oil hole (18) is communicated with the second cavity (16).

6. A telescopic rotating spindle according to claim 1, characterized in that: the ejector component comprises a transition disc (19) and a taper disc (20), the taper disc (20) is fixedly installed on the transition disc (19), the transition disc (19) is connected with the connecting rod (1), and the transition disc (19) is in contact connection with the piston (11).