CN220279312U

CN220279312U - Inner cone grinding wheel spindle mechanism for numerical control creep feed grinding machine

Info

Publication number: CN220279312U
Application number: CN202321530082.1U
Authority: CN
Inventors: 曹荣; 刘静
Original assignee: Hangzhou Legmant Technology Co ltd
Current assignee: Hangzhou Legmant Technology Co ltd
Priority date: 2023-06-15
Filing date: 2023-06-15
Publication date: 2024-01-02
Anticipated expiration: 2033-06-15

Abstract

The utility model relates to the technical field of mechanical equipment, in particular to an inner cone grinding wheel spindle mechanism for a numerical control creep feed grinder, which comprises a spindle main body and is characterized in that: the main shaft body comprises a shaft shell, one end of the shaft shell is connected with a fixed end cover, a shaft core is arranged in the shaft shell, a pull claw is arranged in the shaft core, a butterfly spring combination is arranged on the outer wall of the pull claw, an extension oil cylinder is arranged at one end of the pull claw, a shaft sleeve ring is arranged at one end of the extension oil cylinder, a limiting block is arranged on one side of the shaft sleeve ring, a connecting rod is connected at one end of the pull claw, and one end of the connecting rod is connected with a coupler.

Description

Inner cone grinding wheel spindle mechanism for numerical control creep feed grinding machine

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to an inner cone grinding wheel spindle mechanism for a numerical control creep feed grinder.

Background

The numerical control grinding machine is a machine tool for grinding the surface of a workpiece by utilizing a grinding wheel through a numerical control technology, and the grinding wheel is driven to rotate through a main shaft generally, so that the workpiece is polished, but because of the huge abrasion of the grinding wheel, the grinding wheel needs to be replaced frequently in order to ensure the working effect of the grinding machine, the grinding wheel in the prior art is usually fixed on the main shaft through bolts, and each screw needs to be unscrewed during replacement, so that the operation is complicated, the workload of staff is increased, and the use is inconvenient.

The Chinese patent discloses a workpiece spindle mechanism (publication No. CN 213439076U) of a numerically controlled grinder, which comprises a fixing frame and is characterized in that: be provided with the standing groove in the mount, the nested grinding machine main shaft that is provided with in the standing groove, surface one side of mount is provided with the headstock, be provided with in the headstock and place the chamber, it is provided with the motor to place the intracavity, the drive end of motor is provided with the speed reducer, surface one side of grinding machine main shaft just is located the mount outside and is provided with the rolling disc, but this kind of spindle mechanism is complex in operation when changing the emery wheel, and convenient to use, and clamping precision is low, has certain potential safety hazard simultaneously when the operation, consequently needs a numerical control to creep into internal cone emery wheel spindle mechanism for the grinding machine.

Disclosure of Invention

The utility model aims to solve the defects that in the prior art, the operation is complicated when a grinding wheel is replaced, the use is inconvenient, the clamping precision is low, and meanwhile, certain potential safety hazards exist during operation.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to an inner cone grinding wheel spindle mechanism for a numerical control creep feed grinder, which comprises a spindle main body and is characterized in that: the main shaft main part includes the axle housing, axle housing one end is connected with fixed end cover, the axle core is installed to the inside center of axle housing, the inside center of axle core is installed and is drawn the claw, draw claw outer wall to install the belleville spring combination, it is equipped with extension hydro-cylinder to draw claw one end, extension hydro-cylinder one end is equipped with the axle lantern ring, axle sleeve ring one side is equipped with the stopper, it is connected with the connecting rod to draw claw one end, the axle sleeve ring is associated with the connecting rod, connecting rod one end is connected with the shaft coupling.

Preferably, the clack knife is installed in the claw outside of drawing, clack knife one end is connected with the handle of a knife, handle of a knife one end is connected with the emery wheel, through controlling the clack knife to open and shut, can effectively lock the handle of a knife.

Preferably, a part of the outer wall of the shaft core is provided with a first angular contact ball bearing, an inner spacing ring is arranged inside the first angular contact ball bearing, an outer spacing ring is arranged outside the inner spacing ring, another part of the outer wall of the shaft core is provided with a second angular contact ball bearing, a rear bearing end cover is arranged on the second angular contact ball bearing, and the second angular contact ball bearing can be effectively protected and dustproof through the arrangement of the rear bearing end cover.

Preferably, locking nuts are arranged between the shaft housing and the lengthening oil cylinder, the number of the locking nuts is 4-6, and the shaft housing and the lengthening oil cylinder are conveniently connected and fixed by arranging the locking nuts.

Preferably, the lengthened oil cylinder comprises a piston cylinder and a main shaft pull rod associated with the piston cylinder, a power source can be provided for the main shaft mechanism through the lengthened oil cylinder, a connecting shaft is arranged in the main shaft pull rod, a flat key is arranged between the connecting shaft and the connecting rod, and the connecting shaft and the connecting rod are conveniently connected and fixed through the flat key.

Preferably, a dust ring is arranged between the fixed end cover and the shaft core, a front waterproof cover is arranged on one side of the fixed end cover, annular dynamic balance is arranged at the top of the fixed end cover, a dynamic balance protective cover is arranged on one side of the annular dynamic balance, and the annular dynamic balance protective cover can effectively protect the annular dynamic balance.

The utility model has the advantages that:

the utility model has simple structure, low failure rate and simple operation, can keep a relatively stable state when the grinding wheel rotates at a high speed by arranging the annular dynamic balance, thereby ensuring the grinding wheel to work stably and normally, is convenient for connecting related matched equipment by arranging the coupler, controls the opening and closing of the flap knife by arranging the main shaft pull rod and the flap knife, locks the knife handle, simplifies the installation process of the knife handle, has convenient installation of the knife handle and high clamping precision.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a left side view of the structure of the present utility model.

Figure 3 is a cross-sectional view of A-A of figure 2 in accordance with the present utility model.

In the figure: 1. a coupling; 2. a flat key; 3. a connecting shaft; 4. a spindle pull rod; 5. lengthening the oil cylinder; 6. a lock nut; 7. a first angular contact ball bearing; 8. a rear bearing end cap; 9. a belleville spring assembly; 10. a second angular contact ball bearing; 11. an inner spacer ring; 12. an outer spacer ring; 13. a shaft housing; 14. fixing the end cover; 15. a dynamic balance protective cover; 16. a dust ring; 17. a pulling claw; 18. a shaft core; 19. a front waterproof cover; 20. annular dynamic balance; 21. a knife handle; 22. a clack knife; 23. a shaft collar; 24. a connecting rod; 25. grinding wheel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-3, a spindle mechanism of an inner cone grinding wheel 25 for a numerical control creep feed grinder comprises a spindle main body, and is characterized in that: the main shaft main part includes axle housing 13, axle housing 13 one end is connected with fixed end cover 14, axle housing 13 installs the axle core 18 at inside center, the inside center of axle core 18 installs draws claw 17, draw claw 17 outer wall to install belleville spring combination 9, draw claw 17 one end to be equipped with extension hydro-cylinder 5, extension hydro-cylinder 5 is the common product in market, can directly purchase, extension hydro-cylinder 5 one end is equipped with the axle lantern ring 23, axle sleeve ring 23 one side is equipped with the stopper, draw claw 17 one end to be connected with connecting rod 24, axle sleeve ring 23 is correlated with connecting rod 24, connecting rod 24 one end is connected with shaft coupling 1, shaft coupling 1 is the common product in the market, can directly purchase.

In this embodiment, the clack knife 22 is installed outside the pulling claw 17, one end of the clack knife 22 is connected with the knife handle 21, one end of the knife handle 21 is connected with the grinding wheel 25, and the knife handle 21 can be effectively locked by controlling the opening and closing of the clack knife 22.

In this embodiment, a part of the outer wall of the shaft core 18 is provided with a first angular contact ball bearing 7, an inner spacer ring 11 is arranged inside the first angular contact ball bearing 7, an outer spacer ring 12 is arranged outside the inner spacer ring 11, another part of the outer wall of the shaft core 18 is provided with a second angular contact ball bearing 10, the first angular contact ball bearing 7 and the second angular contact ball bearing 10 are common products in the market, the products can be directly purchased, the grinding wheel 25 can be ensured to be more stable during rotation through the arrangement of the first angular contact ball bearing 7 and the second angular contact ball bearing 10, the safe operation of the grinding wheel 25 is ensured, and a rear bearing end cover 8 is arranged on the second angular contact ball bearing 10, so that the second angular contact ball bearing 10 can be effectively protected and dustproof through the arrangement of the rear bearing end cover 8.

In this embodiment, lock nuts 6 are disposed between the shaft housing 13 and the extension cylinder 5, and the number of the lock nuts 6 is 4-6, so that the shaft housing 13 and the extension cylinder 5 can be conveniently connected and fixed by setting the lock nuts 6.

In this embodiment, the extension cylinder 5 includes a piston cylinder and a spindle pull rod 4 associated with the piston cylinder, and by setting the extension cylinder 5, a power source can be provided for the spindle mechanism, a connecting shaft 3 is disposed inside the spindle pull rod 4, a flat key 2 is disposed between the connecting shaft 3 and the connecting rod 24, and the flat key 2 is a common connection manner in the market, and by setting the flat key 2, the connecting shaft 3 and the connecting rod 24 are conveniently connected and fixed.

In this embodiment, be equipped with dust ring 16 between fixed end cover 14 and the axle core 18, can effectively prevent dust impurity entering mechanism through setting up dust ring 16 in, fixed end cover 14 one side is equipped with waterproof lid 19 in the front, can effectively prevent moisture entering mechanism through setting up waterproof lid 19 in, fixed end cover 14 top is equipped with annular dynamic balance 20, annular dynamic balance 20 one side is equipped with dynamic balance protective cover 15, can effectively play the protection effect to annular dynamic balance 20 through setting up dynamic balance protective cover 15.

The implementation principle of the embodiment is as follows: starting the lengthening oil cylinder 5, enabling hydraulic oil to enter the lengthening oil cylinder 5, enabling the lengthening oil cylinder 5 to transmit power to the main shaft pull rod 4, enabling the movement of the main shaft pull rod 4 to control the opening and closing of the flap knife 22, locking the knife handle 21, enabling the knife handle 21 to be connected with the grinding wheel 25, driving the grinding wheel 25 to move for grinding the follow-up grinding wheel 25, and enabling the coupler 1 to be used for connecting related matched equipment.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a numerical control creep feed grinding machine is with interior cone grinding wheel (25) spindle mechanism, includes main shaft main part, its characterized in that: the main shaft main part includes axle housing (13), axle housing (13) one end is connected with fixed end cover (14), axle core (18) are installed to axle housing (13) inside center, axle core (18) inside center is installed and is drawn claw (17), belleville spring combination (9) are installed to the claw (17) outer wall that draws, claw (17) one end is equipped with extension hydro-cylinder (5), extension hydro-cylinder (5) one end is equipped with axle sleeve ring (23), axle sleeve ring (23) one side is equipped with the stopper, claw (17) one end is connected with connecting rod (24), axle sleeve ring (23) are associated with connecting rod (24), connecting rod (24) one end is connected with shaft coupling (1).

2. The spindle mechanism of an inner cone grinding wheel (25) for a numerical control creep feed grinder according to claim 1, wherein: the outer side of the pulling claw (17) is provided with a clack knife (22), one end of the clack knife (22) is connected with a knife handle (21), and one end of the knife handle (21) is connected with a grinding wheel (25).

3. The spindle mechanism of an inner cone grinding wheel (25) for a numerical control creep feed grinder according to claim 1, wherein: the novel bearing is characterized in that a first angular contact ball bearing (7) is arranged on one part of the outer wall of the shaft core (18), an inner spacer ring (11) is arranged inside the first angular contact ball bearing (7), an outer spacer ring (12) is arranged on the outer side of the inner spacer ring (11), a second angular contact ball bearing (10) is arranged on the other part of the outer wall of the shaft core (18), and a rear bearing end cover (8) is arranged on the second angular contact ball bearing (10).

4. The spindle mechanism of an inner cone grinding wheel (25) for a numerical control creep feed grinder according to claim 1, wherein: lock nuts (6) are arranged between the shaft housing (13) and the lengthened oil cylinder (5), and the number of the lock nuts (6) is 4-6.

5. The spindle mechanism of an inner cone grinding wheel (25) for a numerical control creep feed grinder according to claim 1, wherein: the lengthened oil cylinder (5) comprises a piston cylinder and a main shaft pull rod (4) which is associated with the piston cylinder, a connecting shaft (3) is arranged in the main shaft pull rod (4), and a flat key (2) is arranged between the connecting shaft (3) and the connecting rod (24).

6. The spindle mechanism of an inner cone grinding wheel (25) for a numerical control creep feed grinder according to claim 1, wherein: a dustproof ring (16) is arranged between the fixed end cover (14) and the shaft core (18), a front waterproof cover (19) is arranged on one side of the fixed end cover (14), an annular dynamic balance (20) is arranged at the top of the fixed end cover (14), and a dynamic balance protective cover (15) is arranged on one side of the annular dynamic balance (20).