CN215544966U - Replaceable electric spindle structure of numerical control machining center - Google Patents
Replaceable electric spindle structure of numerical control machining center Download PDFInfo
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- CN215544966U CN215544966U CN202120099067.0U CN202120099067U CN215544966U CN 215544966 U CN215544966 U CN 215544966U CN 202120099067 U CN202120099067 U CN 202120099067U CN 215544966 U CN215544966 U CN 215544966U
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Abstract
The replaceable electric spindle structure comprises a spindle core body and a taper hole assembly, wherein a driving key assembly is arranged between the spindle core body and the taper hole assembly, the surface, connected with the taper hole assembly, of the spindle core body is a taper hole positioning surface, the surface, connected with the driving key assembly, of the spindle core body is a driving key positioning surface, the driving key positioning surface is located on the inner side of the taper hole positioning surface, the driving key positioning surface is an inner concave ring surface on the spindle core body, the taper hole positioning surface is an outer convex ring surface, the driving key positioning surface of the inner concave ring surface fixes the driving key assembly through a driving key screw, and the taper hole positioning surface of the outer convex ring surface fixes the taper hole assembly through a taper hole screw. The utility model relates to a replaceable electric spindle shaft core taper hole structure of a numerical control machining center, which is used for separately designing parts easy to wear.
Description
Technical Field
The utility model relates to the technical field of numerical control machine tools, in particular to a replaceable electric spindle structure of a numerical control machining center.
Background
At present, a main shaft of a machining center mainly adopts an electric main shaft, and the machining center electric main shaft is a new technology which integrates a machine tool main shaft and a main shaft motor into a whole and appears in the field of numerical control machines. The machining center spindle has very high precision, and the machining center spindle in the prior art adopts an integral structure, is complex to machine and manufacture and is expensive; the spindle taper hole and the driving key on the electric spindle have certain service life, and after the spindle taper hole and the driving key are used for about 10000 hours, the taper hole is worn, the precision is reduced, and the spindle taper hole and the driving key are damaged under extreme conditions; the electric main shaft has long maintenance period, and because the traditional electric main shaft adopts an integral structure, a shaft core needs to be integrally replaced under most conditions, and the maintenance cost is very high.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a replaceable electric spindle structure of a numerical control machining center, which is used for separately designing parts easy to wear.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the replaceable electric spindle structure of the numerical control machining center comprises a spindle core body and a taper hole assembly, wherein a driving key assembly is arranged between the spindle core body and the taper hole assembly, the surface, connected with the taper hole assembly, of the spindle core body is a taper hole positioning surface, the surface, connected with the driving key assembly, of the spindle core body is a driving key positioning surface, the driving key positioning surface is located on the inner side of the taper hole positioning surface, the driving key positioning surface is an inner concave ring surface, the taper hole positioning surface is an outer convex ring surface on the spindle core body, the driving key positioning surface of the inner concave ring surface fixes the driving key assembly through a driving key screw, and the taper hole positioning surface of the outer convex ring surface fixes the taper hole assembly through a taper hole screw.
Furthermore, the taper hole assembly is provided with a taper hole screw hole which penetrates through the taper hole assembly along the length direction of the shaft core body, the taper hole positioning surface is provided with a taper hole positioning surface screw hole, and the taper hole screw hole corresponds to the taper hole positioning surface screw hole and is connected with the fixed taper hole assembly through a taper hole screw.
Furthermore, the taper hole positioning surface screw holes are annularly and symmetrically distributed on the taper hole positioning surface.
Further, set up exhaust hole 23 between the adjacent taper hole locating surface screw, set up corresponding exhaust hole on the taper hole subassembly 2 that exhaust hole 23 corresponds, corresponding exhaust hole and exhaust hole 23 cooperation intercommunication are used for clean taper hole terminal surface, and the outer disc of dabber body 1 is connected with interior disc interference fit of taper hole subassembly, and taper hole subassembly 2 after the connection is fixed through taper hole screw 22, realizes that taper hole subassembly 2's connection is fixed.
Furthermore, the driving key assembly is provided with a driving key screw hole which penetrates through the driving key assembly along the length direction of the shaft core body, the driving key positioning surface is provided with a driving key positioning surface screw hole, and the driving key screw hole corresponds to the driving key positioning surface screw hole and is connected with the driving key assembly through a driving key screw.
Furthermore, the drive key positioning surface screw holes are annularly and symmetrically distributed on the drive key positioning surface.
Furthermore, the outside of the connecting surface of the taper hole component and the shaft core body is provided with an embracing ring structure tightly attached to the shaft core body.
The replaceable electric spindle structure of the numerical control machining center adopts a split design for easily-worn parts, and is convenient to replace; the spindle taper hole assembly and the driving key assembly are designed into a detachable type, and the structure has the advantages that:
1. The driving key belongs to the most vulnerable and worn parts, and by adopting the electric spindle structure, the driving key assembly can be replaced at any time under the condition of not disassembling the spindle, so that the maintenance time and the maintenance cost are greatly reduced;
2. the electric spindle structure taper hole is simple to process and manufacture, easy to prepare a standard chamber of a taper hole assembly, low in cost and convenient to disassemble and replace, and avoids high maintenance cost after the taper hole of the electric spindle is damaged.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a side view of the structure of the present invention;
fig. 3 is a perspective cross-sectional structural view of the present invention.
In the figure, 1-shaft core body, 11-taper hole positioning surface, 12-driving key positioning surface, 2-taper hole component, 21-taper hole screw hole, 22-taper hole screw, 23-vent hole, 24-corresponding vent hole, 25-encircling ring structure, 3-driving key component, 31-driving key screw hole and 32-driving key screw.
Detailed Description
The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following examples. Any equivalent modifications made by those skilled in the art in the light of the teachings of this invention should be within the scope of this invention.
As shown in fig. 1-3, a replaceable electric spindle structure of a numerical control machining center includes a spindle body 1 and a taper hole assembly 2, a driving key assembly 3 is disposed between the spindle body 1 and the taper hole assembly 2, a connection surface of the spindle body 1 and the taper hole assembly 2 is a taper hole positioning surface 11, a connection surface of the spindle body 1 and the driving key assembly 3 is a driving key positioning surface 12, the driving key positioning surface 12 is located on an inner side of the taper hole positioning surface 11, the driving key positioning surface 12 is a concave ring surface on the spindle body 1, the taper hole positioning surface 11 is a convex ring surface, the driving key positioning surface 12 of the concave ring surface fixes the driving key assembly 3 through a driving key screw 32, and the taper hole positioning surface 11 of the convex ring surface fixes the taper hole assembly 2 through a taper hole screw 22. The electric spindle can be an HSK63 electric spindle. The electric spindle structure adopts a replaceable taper hole component 2, is fixed on a spindle core body 1 through a taper hole screw 22, and can be directly replaced by detaching the taper hole screw 22 during replacement; the driving key assembly 3 is fixed on the spindle shaft core body 1 through a driving key screw 32.
Furthermore, the taper hole assembly 2 is provided with a taper hole screw hole 21 which penetrates through the taper hole assembly 2 along the length direction of the shaft core body 1, the taper hole positioning surface 11 is provided with a taper hole positioning surface screw hole, and the taper hole screw hole 21 corresponds to the taper hole positioning surface screw hole and is connected with the fixed taper hole assembly 2 through a taper hole screw 22.
Further, the screw holes of the positioning surface of the taper hole are symmetrically distributed on the positioning surface 11 of the taper hole in an annular manner, and the specific distribution structure is shown in fig. 2.
Further, set up exhaust hole 23 between the adjacent taper hole locating surface screw, set up corresponding exhaust hole 24 on the taper hole subassembly 2 that exhaust hole 23 corresponds, corresponding exhaust hole 24 and exhaust hole 23 cooperation intercommunication are used for clean taper hole terminal surface, and the outer disc of dabber body 1 is connected with interior disc interference fit of taper hole subassembly, and taper hole subassembly 2 after the connection is fixed through taper hole screw 22, realizes that taper hole subassembly 2's connection is fixed.
Furthermore, the driving key assembly 3 is provided with a driving key screw hole 31 which penetrates through the driving key assembly 3 along the length direction of the shaft core body 1, the driving key positioning surface 12 is provided with a driving key positioning surface 12 screw hole, and the driving key screw hole 31 corresponds to the driving key positioning surface 12 screw hole and is connected and fixed with the driving key assembly 3 through a driving key screw 32.
Further, the screw holes of the drive key positioning surface 12 are annularly and symmetrically distributed on the drive key positioning surface 12, and the specific distribution structure is shown in fig. 2.
Furthermore, an embracing ring structure 25 tightly attached to the shaft core body 1 is arranged outside the connecting surface of the taper hole component 2 and the shaft core body 1.
The utility model makes the spindle shaft core easy to manufacture and maintain through the structural design of the replaceable taper hole component 2 and the driving key component 3. The taper hole assembly 2 is fixed on the shaft core body 1 through the taper hole screw 22, the driving key assembly 3 is fixed on the shaft core body 1 through the driving key screw 32, when the taper hole assembly 2 and/or the driving key assembly 3 are worn or damaged, the corresponding worn or damaged parts can be replaced only through the taper hole assembly 2 and/or the driving key assembly 3 standard part, the whole shaft core does not need to be replaced, the maintenance efficiency is greatly improved, and the maintenance cost is reduced.
Claims (6)
1. The utility model provides a removable formula electricity main shaft structure of numerical control machining center which characterized in that: including axle core body and taper hole subassembly, axle core body and taper hole subassembly between set up drive key subassembly, the axle core body on be the taper hole locating surface with the connection face of taper hole subassembly, the axle core body on be the drive key locating surface with the connection face of drive key subassembly, the drive key locating surface be the evagination anchor ring face in the inboard and drive key locating surface of taper hole locating surface on the axle core body indent anchor ring face, taper hole locating surface, the drive key locating surface of indent anchor ring face passes through drive key screw fixed drive key subassembly, the taper hole locating surface of evagination anchor ring face passes through taper hole screw fixed taper hole subassembly.
2. The replaceable electric spindle structure of numerical control machining center according to claim 1, characterized in that: the taper hole assembly is provided with a taper hole screw hole which penetrates through the taper hole assembly along the length direction of the shaft core body, the taper hole positioning surface is provided with a taper hole positioning surface screw hole, and the taper hole screw hole corresponds to the taper hole positioning surface screw hole and is connected with the fixed taper hole assembly through a taper hole screw.
3. The replaceable electric spindle structure of numerical control machining center according to claim 2, characterized in that: and the conical hole positioning surface screw holes are annularly and symmetrically distributed on the conical hole positioning surface.
4. The replaceable electric spindle structure of numerical control machining center according to claim 1, characterized in that: the driving key assembly is provided with a driving key screw hole which penetrates through the driving key assembly along the length direction of the shaft core body, a driving key positioning surface screw hole is formed in the driving key positioning surface, and the driving key screw hole corresponds to the driving key positioning surface screw hole and is connected with the driving key assembly through a driving key screw.
5. The replaceable electric spindle structure of numerical control machining center according to claim 4, wherein: and the screw holes of the positioning surface of the driving key are annularly and symmetrically distributed on the positioning surface of the driving key.
6. The replaceable electric spindle structure of numerical control machining center according to claim 1, characterized in that: the outside of the connecting surface of the taper hole component and the shaft core body is provided with an embracing ring structure tightly attached to the shaft core body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120099067.0U CN215544966U (en) | 2021-01-14 | 2021-01-14 | Replaceable electric spindle structure of numerical control machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120099067.0U CN215544966U (en) | 2021-01-14 | 2021-01-14 | Replaceable electric spindle structure of numerical control machining center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215544966U true CN215544966U (en) | 2022-01-18 |
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ID=79816480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120099067.0U Active CN215544966U (en) | 2021-01-14 | 2021-01-14 | Replaceable electric spindle structure of numerical control machining center |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215544966U (en) |
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2021
- 2021-01-14 CN CN202120099067.0U patent/CN215544966U/en active Active
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