CN213795444U - Self-centering device for boring mill machining - Google Patents
Self-centering device for boring mill machining Download PDFInfo
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- CN213795444U CN213795444U CN202022728039.9U CN202022728039U CN213795444U CN 213795444 U CN213795444 U CN 213795444U CN 202022728039 U CN202022728039 U CN 202022728039U CN 213795444 U CN213795444 U CN 213795444U
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Abstract
The utility model discloses a from centring means for boring machine processing belongs to machining technical field. The self-centering device for boring machine machining comprises a body, a first positioning assembly and a second positioning assembly, wherein the body is of a centrosymmetric structure; the first positioning assembly is arranged on the body and is in fit connection with the workpiece, and the symmetry axis of the body is superposed with the rotation center line of the workpiece; the second positioning assembly is arranged on the body and is in fit connection with the boring machine workbench, and the symmetry axis of the body is superposed with the rotation center line of the boring machine workbench. The utility model discloses a from centring means for boring machine processing, first locating component is connected with the work piece cooperation, and second locating component is connected with the boring machine workstation cooperation, through this body coupling first locating component and second locating component to realized the correction between work piece and the boring machine workstation, improved correction convenience and correction precision, shortened calibration time, reduced intensity of labour.
Description
Technical Field
The utility model relates to the technical field of machining, especially, relate to a from centring means for boring machine processing.
Background
Most of wind power products are rotation parts, such as a torque arm, a middle box body, a box body and the like, and when a boring machine procedure is carried out, the rotation center of a workpiece is consistent with the rotation center of a machine tool workbench, so that the machining precision is improved. In the prior art, workpieces are usually required to be corrected manually, the correction time is long, the labor intensity is high, and the correction precision is difficult to ensure through manual correction. Because the megawatt level of the wind power gear box is continuously increased, the weight of a single part is gradually increased, great inconvenience is brought to manual completion of part correction work, and the work difficulty is further increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a from centring means for boring machine processing improves and rectifies convenience and correction precision, shortens calibration time, reduces intensity of labour.
To achieve the purpose, the utility model adopts the following technical proposal:
a self-centering device for boring machine machining, comprising:
the body is of a central symmetrical structure;
the first positioning assembly is arranged on the body and is in fit connection with the workpiece, and the symmetry axis of the body is superposed with the rotation center line of the workpiece;
and the second positioning assembly is arranged on the body and is matched and connected with the boring machine workbench, and the symmetry axis of the body is superposed with the rotation center line of the boring machine workbench.
Optionally, one of the first positioning component and the second positioning component is arranged symmetrically with respect to the symmetry axis of the body, and the other is arranged on the axis of the symmetry axis of the body.
Optionally, the workpiece is symmetrically provided with first positioning holes with respect to a rotation center line of the workpiece, the body is symmetrically provided with second positioning holes with respect to a symmetry axis of the body, the first positioning assembly includes a plurality of first positioning shafts, one end of each first positioning shaft is connected with the first positioning hole in a matching manner, and the other end of each first positioning shaft is connected with the second positioning hole in a matching manner.
Optionally, the first positioning shaft comprises:
the middle connecting part is arranged on the body;
the first positioning portion is arranged at one end of the middle connecting portion and is connected with the first positioning hole in a matched mode, the outer diameter of the first positioning portion is smaller than that of the middle connecting portion, and the end face of the workpiece abuts against the end face, close to one end of the first positioning portion, of the middle connecting portion.
Optionally, the first positioning shaft further includes a second positioning portion, the second positioning portion is disposed at the other end of the intermediate connecting portion, the second positioning portion is connected with the second positioning hole in a matched manner, an outer diameter of the second positioning portion is smaller than an outer diameter of the intermediate connecting portion, and the end face of the body abuts against an end face of the intermediate connecting portion, which is close to one end of the second positioning portion.
Optionally, the body is provided with a plurality of groups of second positioning holes, the second positioning holes are round holes, and the center distances of the groups of second positioning holes are different from each other.
Optionally, the second positioning hole is a long hole, the edge of the long hole is provided with a scale mark, the side wall of the first positioning shaft is provided with a reference line, and the reference line is aligned with the scale mark, so that the distance between the two first positioning shafts which are oppositely arranged and the symmetry axis of the body is equal.
Optionally, a first center hole is formed in the body, a second center hole is formed in the boring machine workbench, the second positioning assembly comprises a second positioning shaft, one end of the second positioning shaft is connected with the first center hole in a matched mode, and the other end of the second positioning shaft is connected with the second center hole in a matched mode.
Optionally, the one end that the second location axle is close to the body has seted up the connecting hole for boring machine processing from centring means still includes T style of calligraphy fastener, and T style of calligraphy fastener includes:
the rod part is connected with the connecting hole in a matching way;
the head is connected with the rod, and the end face of the head, which is close to one end of the rod, abuts against the body.
Optionally, the body is a rectangular plate or a circular plate.
The utility model has the advantages that:
the utility model provides a from centring means for boring machine processing, when installing and rectifying work piece, first locating component and work piece are rectified, and second locating component and boring machine workstation are rectified, through body coupling first locating component and second locating component, thereby realized the rectification between work piece and the boring machine workstation; the first positioning assembly is connected with the workpiece in a matched mode, so that position correction between the first positioning assembly and the workpiece is facilitated, the second positioning assembly is connected with the boring machine workbench in a matched mode, and position correction between the second positioning assembly and the boring machine workbench is facilitated, so that correction convenience and correction precision are improved, the time for correcting the rotation center of the workpiece to be consistent with the rotation center of the boring machine workbench during machining of the boring machine workbench is shortened, and the labor intensity of operators is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a self-centering device for boring machine processing according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a body according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a first positioning shaft according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a second positioning shaft according to an embodiment of the present invention.
In the figure:
1-body; 11-a second positioning hole; 111-a first set of wells; 112-a second set of holes; 113-a third set of wells; 12-a first central aperture;
2-a first positioning axis; 21-an intermediate connection; 22-a first positioning portion; 23-a second location portion;
3-a second positioning shaft; 31-connecting hole.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The embodiment provides a self-centering device for boring machine machining, which comprises a body 1, a first positioning assembly and a second positioning assembly. Specifically, as shown in fig. 1, the body 1 has a central symmetrical structure; the first positioning assembly is arranged on the body 1 and is in fit connection with the workpiece, and a symmetry axis of the body 1 is superposed with a rotation center line of the workpiece; the second positioning assembly is arranged on the body 1 and is in fit connection with the boring machine workbench, and the symmetry axis of the body 1 is superposed with the rotation center line of the boring machine workbench.
When a workpiece is installed and corrected, the first positioning assembly is corrected with the workpiece, the second positioning assembly is corrected with the boring machine workbench, and the first positioning assembly and the second positioning assembly are connected through the body 1, so that the correction between the workpiece and the boring machine workbench is realized; the first positioning assembly is connected with the workpiece in a matched mode, so that position correction between the first positioning assembly and the workpiece is facilitated, the second positioning assembly is connected with the boring machine workbench in a matched mode, and position correction between the second positioning assembly and the boring machine workbench is facilitated, so that correction convenience and correction precision are improved, the time for correcting the rotation center of the workpiece to be consistent with the rotation center of the boring machine workbench during machining of the boring machine workbench is shortened, and the labor intensity of operators is reduced.
In order to facilitate the layout of the first positioning assembly and the second positioning assembly, optionally, one of the first positioning assembly and the second positioning assembly is symmetrically arranged with respect to the symmetry axis of the body 1, and the other is arranged on the axis of the symmetry axis of the body 1, so that the first positioning assembly and the second positioning assembly are separately arranged to avoid structural interference; the workpiece and the boring machine workbench are concentrically arranged with the body 1 through the first positioning assembly and the second positioning assembly respectively, so that the workpiece and the boring machine workbench are concentrically arranged, the structure is simple, and correction is convenient.
In the embodiment, the first positioning assemblies are symmetrically arranged on the symmetry axis, and when the first positioning assemblies are matched with the workpiece, the rotation center line of the workpiece is ensured to be superposed with the symmetry axis of the body 1, so that the correction precision between the workpiece and the body 1 is improved; the second positioning assembly is arranged on the axis of the symmetry shaft of the body 1, and when the second positioning assembly is connected with the boring machine workbench in a matching mode, the symmetry shaft of the body 1 is enabled to be overlapped with the rotation center line of the boring machine workbench, the correction precision between the body 1 and the boring machine workbench is improved, and therefore the correction precision between a workpiece and the boring machine is improved. Similarly, in other embodiments, the first positioning assembly may be disposed on the axis of the symmetry axis of the body 1, and the second positioning assembly may be disposed symmetrically with respect to the symmetry axis, which can also improve the calibration accuracy between the workpiece and the boring machine. The specific arrangement mode can be set by combining the structural characteristics of the workpiece and the boring machine workbench without limitation.
In this embodiment, as shown in fig. 1 to fig. 3, the workpiece has first positioning holes symmetrically formed on a rotation center line of the workpiece, the body 1 has second positioning holes 11 symmetrically formed on a symmetry axis of the body 1, the first positioning assembly includes a plurality of first positioning shafts 2, one end of each first positioning shaft 2 is connected to the first positioning hole in a matching manner, the other end of each first positioning shaft is connected to the second positioning hole 11 in a matching manner, and the first positioning shafts 2 are respectively matched with the workpiece and the body 1, so that the workpiece and the body 1 are matched.
Specifically, as shown in fig. 3, the first positioning shaft 2 includes an intermediate connecting portion 21 and a first positioning portion 22, wherein the intermediate connecting portion 21 is provided on the body 1; the first positioning portion 22 is disposed at one end of the intermediate connecting portion 21, the first positioning portion 22 is connected to the first positioning hole in a matching manner, the outer diameter of the first positioning portion 22 is smaller than that of the intermediate connecting portion 21, and the end surface of the workpiece abuts against the end surface of the intermediate connecting portion 21 at the end close to the first positioning portion 22. The middle connecting part 21 with a larger outer diameter is arranged, so that the structural rigidity of the first positioning shaft 2 is increased, a workpiece is abutted against the end face of the middle connecting part 21, the axial limiting of the workpiece on the first positioning shaft 2 is ensured through the end face of the middle connecting part 21, the first positioning shaft 2 is matched with the workpiece to ensure the axial installation precision of the workpiece on the first positioning shaft 2, the body 1 is prevented from matching the workpiece, and the requirement on the processing precision of the body 1 is lowered; the first positioning shaft 2 jacks up the workpiece, so that the use of a high cushion block during subsequent clamping is reduced; more specifically, the first positioning portion 22 is closely matched with the first positioning hole, so that the installation between the first positioning shaft 2 and the workpiece is facilitated, and the positioning accuracy can be ensured.
Specifically, with continued reference to fig. 3, the first positioning shaft 2 further includes a second positioning portion 23, the second positioning portion 23 is disposed at the other end of the intermediate connecting portion 21, the second positioning portion 23 is connected to the second positioning hole 11 in a matching manner, an outer diameter of the second positioning portion 23 is smaller than an outer diameter of the intermediate connecting portion 21, and an end surface of the body 1 abuts against an end surface of the intermediate connecting portion 21 near one end of the second positioning portion 23, so as to ensure relative limit along an axial direction of the first positioning shaft 2, so as to ensure an installation accuracy of the body 1 and the first positioning shaft 2 in the axial direction of the first positioning shaft 2; further specifically, the second positioning portion 23 is closely matched with the second positioning hole 11 in a clearance fit manner, so that the first positioning shaft 2 and the body 1 can be conveniently installed, and the positioning accuracy can be ensured.
Because the wind power product comprises various rotary parts with different dimensions, if the distance between the second positioning holes 11 of the workpieces with different dimensions is different, each workpiece with different dimensions is provided with a corresponding self-centering device, the cost is high, and the corresponding self-centering device needs to be replaced when different workpieces are processed, so that the use is inconvenient. In order to solve the above problems, in this embodiment, as shown in fig. 2, a plurality of sets of second positioning holes 11 are formed in the main body 1, the second positioning holes 11 are circular holes, the center distances of the sets of second positioning holes 11 are different, and when different workpieces are processed, the first positioning shaft 2 is mounted on the corresponding second positioning hole 11, so that the universality of the self-centering device is improved, the workpieces with different specifications and sizes can be processed compatibly, the cost and the correction time are reduced, and the production efficiency is improved.
In this embodiment, the second positioning holes 11 include two first group holes 111, two second group holes 112, and two third group holes 113, the center distance between the two first group holes 111, the center distance between the two second group holes 112, and the center distance between the two third group holes 113 decrease sequentially, and during machining, the corresponding second positioning holes 11 are selected according to the center distance of the first positioning holes on the workpiece; as shown in fig. 1, the centers of the two first positioning holes of the workpiece are the same as the centers of the two first holes 111, and the first positioning shaft 2 is mounted on the first holes 111 for clamping the workpiece.
In other embodiments, the second positioning hole 11 is a long hole, the edge of the long hole is provided with a scale mark, the side wall of the first positioning shaft 2 is provided with a reference line, and the reference line is aligned with the scale mark; the reference line is aligned with the scale line so that the distance between the two first positioning axes 2 and the symmetry axis of the body 1 is equal.
Optionally, a first center hole 12 is formed in the body 1, a second center hole is formed in the boring machine workbench, the second positioning assembly comprises a second positioning shaft 3, one end of the second positioning shaft 3 is connected with the first center hole 12 in a matched mode, the other end of the second positioning shaft is connected with the second center hole in a matched mode, the body 1 is connected with the boring machine workbench through the second positioning shaft 3, the first center hole 12 is formed along a symmetry axis of the body 1, the second center hole is formed along a rotation center line of the boring machine workbench, and therefore the fact that the symmetry axis of the body 1 coincides with the rotation center line of the boring machine workbench is guaranteed, the structure is simple, and the coincidence degree is high.
As shown in fig. 4, optionally, one end of the second positioning shaft 3 close to the body 1 is provided with a connecting hole 31, the self-centering device for boring machine processing further comprises a T-shaped fastener, the T-shaped fastener comprises a rod part and a head part, and the rod part is connected with the connecting hole 31 in a matching manner; the head is connected with the rod part, the end face, close to one end of the rod part, of the head is abutted to the body 1, the second positioning shaft 3 and the body 1 are limited along the axial direction of the second positioning shaft 3, and the axial positioning precision of the body 1 and the boring machine workbench along the second positioning shaft 3 is improved.
Optionally, the body 1 is a rectangular plate or a circular plate, the plate-shaped structure is simple, the structural weight is reduced, the rectangular plate or the circular plate is simple in structure and convenient to machine, when the second positioning hole 11 and the first center hole 12 in the body 1 are machined, the body 1 is convenient to clamp and position, and machining is further facilitated.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A self-centering device for boring machine machining, comprising:
the body (1) is of a centrosymmetric structure;
the first positioning assembly is arranged on the body (1), the first positioning assembly is connected with a workpiece in a matching manner, and a symmetry axis of the body (1) is superposed with a rotation center line of the workpiece;
the second positioning assembly is arranged on the body (1) and is in fit connection with the boring machine workbench, and the symmetry axis of the body (1) is superposed with the rotation center line of the boring machine workbench.
2. The self-centering device for boring machining according to claim 1, characterized in that one of the first and second positioning assemblies is arranged symmetrically with respect to the axis of symmetry of the body (1), the other being arranged on the axis of symmetry of the body (1).
3. The self-centering device for boring machine machining according to claim 2, wherein the workpiece is symmetrically provided with a first positioning hole along a rotation center line of the workpiece, the body (1) is symmetrically provided with a second positioning hole (11) along a symmetry axis of the body (1), the first positioning assembly comprises a plurality of first positioning shafts (2), one end of each first positioning shaft (2) is in fit connection with the first positioning hole, and the other end of each first positioning shaft is in fit connection with the second positioning hole (11).
4. The self-centering device for boring machine machining according to claim 3, characterized in that the first positioning shaft (2) comprises:
an intermediate connection portion (21) provided on the body (1);
the first positioning portion (22) is arranged at one end of the intermediate connecting portion (21), the first positioning portion (22) is connected with the first positioning hole in a matched mode, the outer diameter of the first positioning portion (22) is smaller than that of the intermediate connecting portion (21), and the end face of the workpiece abuts against the end face, close to one end of the first positioning portion (22), of the intermediate connecting portion (21).
5. The self-centering device for boring machining according to claim 4, wherein the first positioning shaft (2) further includes a second positioning portion (23), the second positioning portion (23) is provided at the other end of the intermediate connecting portion (21), the second positioning portion (23) is in fit connection with the second positioning hole (11), an outer diameter of the second positioning portion (23) is smaller than an outer diameter of the intermediate connecting portion (21), and an end surface of the body (1) abuts on an end surface of the intermediate connecting portion (21) near one end of the second positioning portion (23).
6. The self-centering device for boring machine machining according to claim 3 is characterized in that a plurality of groups of second positioning holes (11) are formed in the body (1), the second positioning holes (11) are round holes, and the center distances of the groups of second positioning holes (11) are different from each other.
7. The self-centering device for boring machining according to claim 3, characterized in that the second positioning hole (11) is a long hole, the edge of the long hole is provided with a scale mark, the side wall of the first positioning shaft (2) is provided with a reference line, and the reference line is used for being aligned with the scale mark so that the distance between the two first positioning shafts (2) which are oppositely arranged and the symmetry axis of the body (1) is equal.
8. The self-centering device for boring mill machining according to any one of claims 2 to 7, wherein a first center hole (12) is formed in the body (1), a second center hole is formed in the boring mill worktable, the second positioning assembly comprises a second positioning shaft (3), one end of the second positioning shaft (3) is connected with the first center hole (12) in a matched mode, and the other end of the second positioning shaft is connected with the second center hole in a matched mode.
9. The self-centering device for boring machine processing according to claim 8, wherein one end of the second positioning shaft (3) close to the body (1) is provided with a connecting hole (31), and the self-centering device for boring machine processing further comprises a T-shaped fastener, and the T-shaped fastener comprises:
the rod part is connected with the connecting hole (31) in a matched manner;
the head part is connected with the rod part, and the end face of the head part, which is close to one end of the rod part, abuts against the body (1).
10. The self-centering device for boring machine machining according to any one of claims 1 to 7, characterized in that the body (1) is a rectangular or circular plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022728039.9U CN213795444U (en) | 2020-11-23 | 2020-11-23 | Self-centering device for boring mill machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022728039.9U CN213795444U (en) | 2020-11-23 | 2020-11-23 | Self-centering device for boring mill machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213795444U true CN213795444U (en) | 2021-07-27 |
Family
ID=76937836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022728039.9U Active CN213795444U (en) | 2020-11-23 | 2020-11-23 | Self-centering device for boring mill machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213795444U (en) |
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2020
- 2020-11-23 CN CN202022728039.9U patent/CN213795444U/en active Active
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