CN213702620U - Propeller plane tool rest retainer - Google Patents
Propeller plane tool rest retainer Download PDFInfo
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- CN213702620U CN213702620U CN202022451389.5U CN202022451389U CN213702620U CN 213702620 U CN213702620 U CN 213702620U CN 202022451389 U CN202022451389 U CN 202022451389U CN 213702620 U CN213702620 U CN 213702620U
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- jackscrew
- main shaft
- connecting body
- bearing
- propeller
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Abstract
The utility model relates to a screw machine tool equipment specifically is a screw plane knife rest holder. Comprises a connecting body (2), a supporting structure and a protective structure; the lower end of the connecting body (2) is fixedly connected with the top end of a main shaft (10) of the special machine tool, and the upper end of the connecting body is fixedly connected with the plane tool rest (1); the support structure is connected with the connecting body (2) and comprises: the device comprises a bearing (8), a bearing sleeve (5), a jackscrew seat (6) and a jackscrew (7). In the utility model, the supporting structure arranged near the upper end of the main shaft 10 is provided with four jackscrews (7) as supporting points, the bearing (8) enables the main shaft (10) to rotate freely, and the extension length of the jackscrews (7) can be adjusted to realize the accurate concentricity of the upper end and the lower end of the main shaft; the problem of because the screw is high, the main shaft is longer, lean on screw thick liquid hub lower extreme tang alone to fix a position, can't satisfy upper and lower terminal surface axle center unanimous is solved.
Description
Technical Field
The utility model relates to the field of machining, especially a screw plane tool rest holder.
Background
In the field of machining of large propellers, particularly in the machining of the upper end face of a marine propeller, the propeller is bulky, so that the diameter and the height of a central hole of the propeller exceed 2 meters, and the weight of the propeller exceeds 100 tons. Therefore, the processing of the upper end surface, the lower end surface and the inner hole conical surface of the propeller hub cannot be finished by one-time clamping processing by using a general machine tool, the processing of the end surface and the inner hole of the propeller hub is usually finished by adopting a special machine tool, the propeller is horizontally fixed on a platform, the main rotary drive of the special machine tool is positioned below the platform, and the upper end surface, the lower end surface and the inner hole conical surface are respectively processed by using special tool rests. The processing of the upper end plane of the propeller is usually completed on the same platform after the inner hole and the lower end plane are processed. The main rotary drive of the special machine tool is connected with a main shaft, and the main shaft vertically penetrates through a central hole of the propeller; the special plane tool rest is fixedly connected to the top end of the main shaft, and the main shaft bears the tool rest and drives the tool rest to rotate so as to finish machining of the upper end face. When the upper end surface is machined, the axial and radial feeding of the cutter is realized by an axial and radial feeding mechanism arranged on the plane cutter frame; the main shaft not only bears the planar tool rest and drives the tool rest to rotate, but also can adjust the total height up and down in the axial direction so as to meet the processing requirements of the upper end surfaces of different propeller hub heights. Because the propeller is higher in height and the main shaft is longer, in the process, the propeller is positioned by the seam allowance at the lower end of the propeller hub alone, the machining axes of the upper end surface and the lower end surface of the propeller hub are consistent, and the machining precision cannot be guaranteed.
Disclosure of Invention
The utility model discloses problem that (one) the utility model is to solve: in the processing of the propeller with higher height, the processing axes of the upper end surface and the lower end surface of the propeller hub are not consistent.
Disclosure of the invention
To above problem, the utility model provides a screw plane tool rest holder, include: a connector, a support structure and a protective structure;
the lower end of the connecting body is fixedly connected with the top end of a main shaft of the special machine tool, and the upper end of the connecting body is fixedly connected with the plane tool rest;
the support structure is connected with the connecting body and comprises: the device comprises a bearing, a bearing sleeve, a jackscrew seat and a jackscrew;
the bearing is a cylindrical roller bearing and comprises an inner ring and an outer ring; the inner ring is fixed on the main shaft; the outer ring is fixedly connected with a bearing sleeve; the axial height of the inner ring is three times of that of the outer ring;
four jackscrew seats are uniformly distributed in the circumferential direction of the bearing sleeve, and each jackscrew seat is provided with a jackscrew; the jackscrew is vertical to the main shaft, one end of the jackscrew is connected with the jackscrew seat through threads, and the other end of the jackscrew is propped against the inner wall of the central hole of the propeller; the jackscrew is provided with a locking nut.
Further, screw plane knife rest holder, its characterized in that: the protective structure includes: the inner protective cover is fixed on the bearing sleeve; and the outer protective cover is fixed on the connecting body, and a dustproof felt ring is arranged between the inner protective cover and the outer protective cover.
Further, screw plane knife rest holder, its characterized in that: the protective structure includes: and the clamp is fixed on the main shaft by a locking screw.
(III) the utility model has the advantages that: the supporting structure arranged near the upper end of the main shaft of the utility model is provided with four jackscrews as supporting points, the extension length of the jackscrews can be adjusted and can be locked by the locking nut, thereby realizing the concentric positioning of the upper end of the main shaft; meanwhile, the bearing arranged on the supporting structure of the utility model realizes that the main shaft can still freely rotate under the support of the supporting structure; the problem of lean on screw thick liquid hub lower extreme tang alone to fix a position, can't satisfy screw thick liquid hub upper and lower terminal surface processing axle center unanimous is solved.
Drawings
FIG. 1 is a sectional view of the structure of the present invention;
fig. 2 is a schematic view of the main structure of the present invention assembled in a special machine tool.
In the figure, 1, a plane tool rest; 2. a linker; 3. an inner shield; 4. an outer shield; 5. a bearing housing; 6. a jackscrew seat; 7. carrying out top thread; 8. a bearing; 9. clamping a hoop; 10. a main shaft, 11, a plane tool rest retainer, 12, a propeller, 121 and a propeller hub; 122. a central hole of the propeller; 13. the clamp comprises a clamp body 14, a base flat plate 15, a spindle seat 16 and a spindle box.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
The structure and embodiment of a blade holder for a propeller plane according to the present invention will now be described in detail with reference to fig. 1 and 2.
The utility model provides a main structure of screw plane tool rest holder is shown in figure 1, include: a connecting body 2, a support structure and a protective structure;
the lower end of the connecting body 2 is fixedly connected with the top end of a main shaft 10 of the special machine tool, and the upper end of the connecting body is fixedly connected with the plane tool rest 1 and is used for bearing the plane tool rest 1 and driving the plane tool rest 1 to rotate together with the main shaft 10;
the supporting structure is positioned near the upper end of the main shaft 10 and is connected with the connecting body 2; it includes: the device comprises a bearing 8, a bearing sleeve 5, a jackscrew seat 6 and a jackscrew 7;
the bearing 8 is a cylindrical roller bearing and comprises an inner ring and an outer ring; the inner ring is fixed on the main shaft 10; the outer ring is fixedly connected with a bearing sleeve 5; the axial height of the inner ring is three times of that of the outer ring;
four jackscrew seats 6 are uniformly distributed on the bearing sleeve 5 in the circumferential direction, and each jackscrew seat 6 is provided with a jackscrew 7; the jackscrew 7 is vertical to the main shaft 10, one end of the jackscrew is connected with the jackscrew seat 6 through threads, and the other end of the jackscrew is propped against the inner wall of the central hole 122 of the propeller; the jackscrew 7 is provided with a lock nut.
The protective structure includes: the inner protective cover 3 is fixed on the bearing sleeve 5; and the outer protective cover 4 is fixed on the connecting body 2, and a dustproof felt ring is arranged between the inner protective cover 3 and the outer protective cover 4.
The protective structure further comprises: and a clamp 9 which is fixed on the main shaft by a locking screw.
The present invention will now be described with reference to fig. 2 and 1, wherein the present invention provides a propeller plane tool rest holder, which comprises:
fig. 2 is a schematic view of the assembly of the plane tool holder 11 in the propeller-dedicated machine tool. The propeller 12 is fixed on a basic flat plate 14 through a clamping body 13, and a main shaft box 16 positioned below the basic flat plate 14 is connected with and supports the main shaft 10 through a main shaft seat 15; the main shaft 10 penetrates out of a central hole 122 of the propeller 12, and the top end of the main shaft is connected with the plane tool rest 1 through the connecting body 2 to drive the plane tool rest (1) to rotate so as to realize the processing of the upper end face. The supporting structure arranged near the upper end of the main shaft 10 in the utility model is provided with four jackscrews 7 as supporting points, the extension length of the jackscrews 7 can be adjusted and can be locked by locking nuts; by measuring the shaking of the main shaft 10 and adjusting the extending lengths of the four jackscrews 7, the accurate concentric positioning of the upper end and the lower end of the main shaft can be realized. And simultaneously, the utility model provides a bearing 8 that bearing structure set up can realize that main shaft 10 still can the free rotation under bearing structure's support, has solved and has leaned on screw thick liquid hub lower extreme tang location alone, and upper and lower terminal surface processing axle center is unanimous, can't guarantee the problem of machining precision.
In addition, in actual work, one special machine tool is used for machining propellers 12 with different specifications and sizes, the heights of propeller hubs 121 are different, and the total height of the main shaft 10 in the axial direction can be adjusted to meet the machining requirements of the upper end surfaces of different propellers 12 and different propeller hubs 121. Usually the height of the main shaft 10 is adjusted by replacing a part of the main shaft 10 to change the total height. So that the height of the spindle 10 can only be varied to a limited fixed size. In order to enable the support structure to be continuously adjusted between limited fixed sizes so as to ensure that the support structure can be supported at a proper position on the inner wall of the central hole 122 of the propeller, the utility model is provided with an inner ring with the axial height being three times of that of the outer ring; the inner ring is fixedly connected with the main shaft 10, and the inner protective cover 3, the bearing sleeve 5, the jackscrew seat 6 and the jackscrew 7 which are fixedly connected with the outer ring can continuously move up and down in the range of twice the axial height of the outer ring, so that the jackscrew 7 in the supporting structure at the upper end of the main shaft can be jacked at a proper position on the inner wall of the central hole 122 of the propeller when the propellers 12 with different heights are processed.
The above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (3)
1. A propeller planar blade holder comprising: the connecting body (2), the supporting structure and the protective structure;
the lower end of the connecting body (2) is fixedly connected with the top end of a special machine tool spindle (10), and the upper end of the connecting body is fixedly connected with the plane tool rest (1);
the support structure is connected with the connecting body (2) and comprises: the device comprises a bearing (8), a bearing sleeve (5), a jackscrew seat (6) and a jackscrew (7);
the bearing (8) is a cylindrical roller bearing and comprises an inner ring and an outer ring; the inner ring is fixed on the main shaft (10); the outer ring is fixedly connected with a bearing sleeve (5); the axial height of the inner ring is three times of that of the outer ring;
four jackscrew seats (6) are uniformly distributed in the circumferential direction of the bearing sleeve (5), and each jackscrew seat (6) is provided with a jackscrew (7); the jackscrew (7) is vertical to the main shaft (10), one end of the jackscrew is connected with the jackscrew seat (6) through threads, and the other end of the jackscrew is jacked on the inner wall of the central hole (122) of the propeller; the jackscrew (7) is provided with a locking nut.
2. The propeller plane blade carrier holder of claim 1, wherein: the protective structure includes: an inner shield (3) fixed to the bearing housing (5); and the outer protective cover (4) is fixed on the connecting body (2), and a dustproof felt ring is arranged between the inner protective cover (3) and the outer protective cover (4).
3. The propeller plane blade carrier holder of claim 1, wherein: the protective structure includes: and the clamp (9) is fixed on the main shaft by a locking screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022451389.5U CN213702620U (en) | 2020-10-29 | 2020-10-29 | Propeller plane tool rest retainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022451389.5U CN213702620U (en) | 2020-10-29 | 2020-10-29 | Propeller plane tool rest retainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213702620U true CN213702620U (en) | 2021-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022451389.5U Active CN213702620U (en) | 2020-10-29 | 2020-10-29 | Propeller plane tool rest retainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213702620U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114472940A (en) * | 2022-03-24 | 2022-05-13 | 安徽新诺精工股份有限公司 | Mechanism for installing and supporting main shaft unit of numerical control vertical turning center |
-
2020
- 2020-10-29 CN CN202022451389.5U patent/CN213702620U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114472940A (en) * | 2022-03-24 | 2022-05-13 | 安徽新诺精工股份有限公司 | Mechanism for installing and supporting main shaft unit of numerical control vertical turning center |
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