CN112975758A - Blade tenon tooth protection device and tenon tooth protection method thereof - Google Patents
Blade tenon tooth protection device and tenon tooth protection method thereof Download PDFInfo
- Publication number
- CN112975758A CN112975758A CN202110287638.8A CN202110287638A CN112975758A CN 112975758 A CN112975758 A CN 112975758A CN 202110287638 A CN202110287638 A CN 202110287638A CN 112975758 A CN112975758 A CN 112975758A
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- China
- Prior art keywords
- clamping piece
- blade
- plane
- clamping
- tenon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dovetailed Work, And Nailing Machines And Stapling Machines For Wood (AREA)
Abstract
The invention discloses a blade tenon tooth protection device and a tenon tooth protection method thereof, wherein the blade tenon tooth protection device comprises a first clamping piece and a second clamping piece, the first clamping piece and the second clamping piece are detachably connected, the connecting surface of the first clamping piece comprises a first butt joint plane and a first clamping hole, and the connecting surface of the second clamping piece comprises a second butt joint plane and a second clamping hole; when the first clamping piece and the second clamping piece are connected, the first butt joint plane is contacted with the second butt joint plane, the first clamping hole and the second clamping hole form a tenon tooth groove used for clamping tenon teeth, the top of the tenon tooth groove is provided with an opening, and a plurality of tenon teeth are clamped in the tenon tooth groove. According to the invention, the blades are not required to be wrapped one by using the adhesive tape, the operation efficiency of blade protection is improved, the processing efficiency is improved, the processing cost is reduced, the tenon teeth are directly detachably wrapped by the tenon tooth grooves, the operation is simple, the sand blowing surface pollution is not easy to cause, and the operation is rapid and efficient.
Description
Technical Field
The invention belongs to the technical field of blade machining, and particularly belongs to a blade tenon tooth protection device and a tenon tooth protection method thereof.
Background
After the blades are machined, a sand blowing treatment process needs to be carried out on the blade profile, excess on the surface of a part is removed, the surface of the part is cleaned, and the influence caused by damage to the surface of the part in the machining process of the part is eliminated. Meanwhile, the fatigue resistance is improved. Blade structure referring to fig. 1, the blade is composed of a blade body 1, a flange plate 2 and tenon teeth 3. Before the sand blowing treatment, the surface without sand blowing needs to be protected, namely the tenon tooth part is wrapped by the adhesive tape, the operation process is complex, the efficiency is low, and the processing cost is high.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a blade tenon tooth protection device and a tenon tooth protection method thereof, and solves the problems of wrapping protection, operation responsibility, low efficiency and high cost of blade tenon teeth in the conventional blade sand blowing treatment process.
In order to achieve the purpose, the invention provides the following technical scheme: a blade tenon tooth protection device comprises a first clamping piece and a second clamping piece, wherein the first clamping piece and the second clamping piece are detachably connected, a connecting surface of the first clamping piece comprises a first butt joint plane and a first clamping hole, and a connecting surface of the second clamping piece comprises a second butt joint plane and a second clamping hole;
when the first clamping piece and the second clamping piece are connected, the first butt joint plane is contacted with the second butt joint plane, the first clamping hole and the second clamping hole form a tenon tooth groove used for clamping tenon teeth, the top of the tenon tooth groove is provided with an opening, and a plurality of tenon teeth are clamped in the tenon tooth groove.
Furthermore, the first clamping piece further comprises a first top plane perpendicular to the first butt joint plane, the second clamping piece further comprises a second top plane perpendicular to the second butt joint plane, the first top plane and the second top plane are located on the same horizontal plane, the first top plane and the second top plane are both provided with edge plate placing surfaces, and the height of each edge plate placing surface is lower than that of the first top plane.
Further, the height difference plane between the edge plate placing surface and the first top plane is a first step, the height difference plane between the edge plate placing surface and the second top plane is a second step, and the first step and the second step are respectively pressed on two sides of the edge plate.
Furthermore, a first threaded hole is formed in the first butt joint plane, a second threaded hole is formed in the outer wall of the second clamping piece, the second threaded hole penetrates through the second joint face, and the first threaded hole and the second threaded hole are fastened through screws.
Furthermore, when the first clamping piece and the second clamping piece clamp a plurality of tenon teeth, each blade is arranged in parallel.
Further, the size of the tenon tooth groove is the same as that of the tenon tooth of the blade, and the top opening of the tenon tooth is clamped at the connecting part between the tenon tooth of the blade and the flange plate.
Further, the first clamping piece and the second clamping piece are made of resin materials.
Further, the first clamping piece and the second clamping piece are symmetrical with the butt joint plane.
The invention also provides a tenon tooth protecting method of the blade tenon tooth protecting device, which comprises the following steps:
the first clamping piece and the second clamping piece are combined and placed, the tenon teeth of a plurality of blades are sequentially installed in the tenon tooth grooves, the tenon tooth grooves wrap the tenon teeth, and the first clamping piece and the second clamping piece are fastened;
blowing sand to the clamped blade;
after the sand blowing is finished, the first clamping piece and the second clamping piece are detached, and the plurality of blades are taken down one by one.
Furthermore, when the plurality of blades are clamped on the first clamping piece and the second clamping piece, the sand blowing parts of the blades face to the same direction.
Compared with the prior art, the invention has at least the following beneficial effects:
the invention provides a blade tenon tooth protection device, which is characterized in that a tenon tooth groove is formed by a first clamping hole and a second clamping hole on a first clamping piece and a second clamping piece, the tenon tooth groove comprises a part which is not blown with sand in a blade, the first clamping piece and the second clamping piece are detachably connected, so that the blade is convenient to disassemble and assemble, the blade is convenient to clamp, a plurality of blades can be clamped by adopting the first clamping piece and the second clamping piece, the operation process is simplified, the structure is simple, the economic performance is high, the blades are not required to be packaged one by using an adhesive tape, the operation efficiency of blade protection is improved, the processing efficiency is improved, the processing cost is reduced, the tenon tooth groove directly detachably packages the tenon tooth, the operation is simple, the pollution to the blown sand surface is not easily caused, and the operation is quick and efficient.
Furthermore, the edge plate placing surfaces of the first clamping piece and the second clamping piece and the edge plates of the first step and the second step restraining blades ensure stable clamping of the blades, ensure stable sand blowing of the blades, and protect the blades from being polluted by the sand blowing surface.
The invention also provides a tenon tooth protecting method of the blade tenon tooth protecting device, compared with the traditional process method, the method adopts a special tool to protect a plurality of blades at one time, a sand blowing operator can simultaneously treat a plurality of blades at one time, the problem of one-by-one operation of the traditional single blade is solved, the use is flexible and simple, the processing efficiency is improved, compared with an adhesive tape protecting method, the method can be repeatedly used, the processing cost is reduced, when the blades are disassembled, the sand blowing surface pollution is not easily caused, and the operation is quick and efficient.
Drawings
FIG. 1 is a schematic view of a blade configuration;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural diagram of the first clip;
FIG. 4 is a schematic structural view of a second clip;
FIG. 5 is a front view of a blade mounted on the present invention;
FIG. 6 is a schematic top view of a blade clamp according to the present invention;
in the drawings: 1-blade body, 2-edge plate, 3-tenon tooth, 4-blade, 5-first clamping piece, 6-second clamping piece, 7-first top plane, 8-second top plane, 9-edge plate placing plane, 10-tenon tooth groove, 11-second threaded hole,
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 2, 3 and 4, the present invention provides a blade tenon tooth protection device, which includes a first clamping piece 5 and a second clamping piece 6, wherein the first clamping piece 5 and the second clamping piece 6 are detachably connected, a connection surface of the first clamping piece 5 is butted with a connection surface of the second clamping piece 6, the connection surface of the first clamping piece 5 includes a first butting plane and a first clamping hole, the connection surface of the second clamping piece 6 includes a second butting plane and a second clamping hole, the tenon tooth 3 of the blade 4 is clamped after the first clamping piece 5 is butted with the second clamping piece 6, the first clamping piece 5 and the second clamping piece 6 are butted and contacted through the first butting plane and the second butting plane, openings of the first clamping hole and the second clamping hole are butted to form a tenon tooth socket 10, a top of the tenon tooth socket 10 is opened, and a top opening of the tenon tooth socket 10 is used for clamping a connection position between the tenon tooth 3 and the flange plate 2;
specifically, the first butt joint plane is in contact with the second butt joint plane, the first clamping hole and the second clamping hole form a tenon tooth groove 10, the size of the tenon tooth groove 10 is the same as that of the tenon tooth 3 of the blade 4, the tenon tooth groove 10 wraps the tenon tooth 3 of the blade 4 to firmly clamp the blade 4 on the blade tenon tooth protecting device, after the tenon tooth groove 10 clamps a plurality of tenon teeth 3, each blade 4 is arranged in parallel, preferably, the first clamping piece 5 and the second clamping piece 6 take the butt joint plane as a symmetry line, the symmetry line as a center, and the first clamping piece 5 and the second clamping piece 6 are symmetrical in structure;
in this embodiment, the first clamping piece 5 and the second clamping piece 6 are detachably connected through screws, a plurality of first threaded holes are formed in the first butt-joint plane, a plurality of second threaded holes 11 are formed in the outer wall of the second clamping piece 6, the second threaded holes 11 are communicated with the second joint plane, the first threaded holes and the second threaded holes 11 are in one-to-one correspondence, the first threaded holes and the second threaded holes 11 are coaxial, when the first clamping piece 5 and the second clamping piece 6 are connected, the screws are screwed into the first threaded holes and the second threaded holes 11, and the first clamping piece 5 and the second clamping piece 6 are fastened.
In this embodiment, the first clip 5 further includes a first top plane 7 perpendicular to the first butt plane, the second clip 6 further includes a second top plane 8 perpendicular to the second butt plane, the first top plane 7 and the second top plane 8 are located on the same horizontal plane, a flange placing plane 9 is disposed on each of the first top plane 7 and the second top plane 8, the height of the flange placing plane 9 is lower than that of the first top plane 7, the flange 2 of the blade 4 contacts the flange placing plane 9 when the tenon tooth 3 of the blade 4 is clamped in the tenon tooth slot 10, wherein a vertical plane of a height difference between the flange placing plane 9 and the first top plane 7 is a first step, a vertical plane of a height difference between the flange placing plane 9 and the second top plane 8 is a second step, and when the blade 4 is clamped on the blade tenon tooth protection device, the first step and the second step are respectively pressed against both sides of the flange 2, the first step and the second step are positioned in the width direction of the blade 4 to stably clamp the blade 4;
preferably, the blade tenon tooth protection device provided by the invention is prepared by adopting a resin material, so that a part of the blade 4 which does not need to be processed in sand blowing treatment is protected, the operation process is simplified, the processing cost is reduced, and the processing efficiency is improved. The method is realized by the following steps:
this blade machinery has accomplished processing, blade sand blowing position is as blade body 1 and flange 2 in fig. 1, the protection position is as tenon tooth 3 in fig. 1, carry out structural design according to the structure at blade 4 needs protection position, adopt resin material, use shaping milling cutter to process the anchor clamps, process into the shape that needs protection position on the protection device, tenon tooth groove 10 promptly, as shown in fig. 5 and fig. 6, protection device's length dimension designs according to equipment operating space, maximize design under the noninterference condition, guarantee once can pack into a plurality of parts, its use steps are:
step 1: protecting the non-sand-blowing surface, and loading the non-sand-blowing parts of the blades 4 into a protection device one by one; the first clamping piece 5 and the second clamping piece 6 are combined and placed, the tenon teeth 3 of the blades 4 are placed into the tenon tooth grooves 10 one by one, the blades 4 are arranged in a parallel sequencing linear mode, the tenon tooth grooves 10 wrap the tenon teeth 3, the blades 4 are perpendicular to the protection device, then the compression screws are screwed, and the first clamping piece 5 and the second clamping piece 6 are fastened.
Step 2: holding two ends of the blade tenon tooth protection device by hands, and blowing sand on the sand blowing surface;
and step 3: after sand blowing is finished, loosening the screws and taking the blades down one by one;
when the blade is arranged on the protection device, the sand blowing parts on the blade face to the same direction.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A blade tenon tooth protection device is characterized by comprising a first clamping piece (5) and a second clamping piece (6), wherein the first clamping piece (5) and the second clamping piece (6) are detachably connected, the connecting surface of the first clamping piece (5) comprises a first butt joint plane and a first clamping hole, and the connecting surface of the second clamping piece (6) comprises a second butt joint plane and a second clamping hole;
when the first clamping piece (5) is connected with the second clamping piece (6), the first butt plane is contacted with the second butt plane, the first clamping hole and the second clamping hole form a tenon tooth groove (10) for clamping tenon teeth, the top of the tenon tooth groove (10) is opened, and the tenon tooth groove (10) is used for clamping a plurality of tenon teeth (3).
2. A blade tooth protector according to claim 1, characterized in that the first clamp piece (5) further comprises a first top plane (7) perpendicular to the first butt plane, the second clamp piece (6) further comprises a second top plane (8) perpendicular to the second butt plane, the first top plane (7) and the second top plane (8) are in the same horizontal plane, a platform resting surface (9) is provided on each of the first top plane (7) and the second top plane (8), and the platform resting surface (9) is lower in height than the first top plane (7).
3. A blade tooth protector according to claim 2, characterized in that the level difference between the platform (9) and the first top level (7) is a first step, the level difference between the platform (9) and the second top level (8) is a second step, and the first step and the second step are pressed against the two sides of the platform (2), respectively.
4. A blade tenon tooth protection device according to claim 1, wherein a first threaded hole is formed in the first butt plane, a second threaded hole (11) is formed in the outer wall of the second clamping piece (6), the second threaded hole (11) penetrates through the second butt plane, and the first threaded hole and the second threaded hole (11) are fastened through screws.
5. A blade tooth protector according to claim 1, characterized in that the blades (4) are arranged in parallel when the first clamp (5) and the second clamp (6) clamp several teeth (3).
6. A blade tooth protector according to claim 1, characterized in that the size of the tooth slot (10) is the same as the size of the tooth (3) of the blade (4), and that the top opening of the tooth (3) is clamped at the joint between the tooth (3) of the blade (4) and the platform (2).
7. A blade tooth protector according to claim 1, characterized in that the first clamp member (5) and the second clamp member (6) are both of a resin material.
8. A blade tooth protector according to claim 1, characterized in that the first clamp member (5) and the second clamp member (6) are symmetrical about the butt plane.
9. A method for protecting a blade tooth according to any one of claims 1 to 8, characterized by comprising the process of:
the method comprises the following steps of combining and placing a first clamping piece (5) and a second clamping piece (6), sequentially loading tenon teeth (3) of a plurality of blades (4) into tenon tooth grooves (10), wrapping the tenon teeth (3) by the tenon tooth grooves (10), and fastening the first clamping piece (5) and the second clamping piece (6);
blowing sand to the clamped blade (4);
after the sand blowing is finished, the first clamping piece (5) and the second clamping piece (6) are disassembled, and the plurality of blades (4) are taken down one by one.
10. A method for protecting a tooth according to claim 9, wherein when a plurality of blades (4) are clamped by the first clamping member (5) and the second clamping member (6), the sand blasting portions of the blades (4) face in the same direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110287638.8A CN112975758A (en) | 2021-03-17 | 2021-03-17 | Blade tenon tooth protection device and tenon tooth protection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110287638.8A CN112975758A (en) | 2021-03-17 | 2021-03-17 | Blade tenon tooth protection device and tenon tooth protection method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112975758A true CN112975758A (en) | 2021-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110287638.8A Pending CN112975758A (en) | 2021-03-17 | 2021-03-17 | Blade tenon tooth protection device and tenon tooth protection method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN112975758A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203696789U (en) * | 2013-12-10 | 2014-07-09 | 贵州黎阳航空动力有限公司 | Fixture of numerical control shot blasting machine |
| US20150190900A1 (en) * | 2014-01-07 | 2015-07-09 | Astech Alloy Steel Technologies, Inc. | Shot blast cleaning wheel blade and blade and wheel combination |
| CN105415206A (en) * | 2015-12-31 | 2016-03-23 | 无锡透平叶片有限公司 | Universal shot-blasting fixture for tenon tooth blades of steam turbine |
| CN205940943U (en) * | 2016-07-25 | 2017-02-08 | 中国航空动力机械研究所 | Engine blade clamping device |
| CN206215415U (en) * | 2016-09-30 | 2017-06-06 | 中国南方航空工业(集团)有限公司 | A kind of blade tenon sprayed protection fixture |
| CN107941607A (en) * | 2017-12-26 | 2018-04-20 | 中国航发四川燃气涡轮研究院 | Suitable for the clamping device of big rigidity high-pressure turbine blade high-cycle fatigue test |
-
2021
- 2021-03-17 CN CN202110287638.8A patent/CN112975758A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203696789U (en) * | 2013-12-10 | 2014-07-09 | 贵州黎阳航空动力有限公司 | Fixture of numerical control shot blasting machine |
| US20150190900A1 (en) * | 2014-01-07 | 2015-07-09 | Astech Alloy Steel Technologies, Inc. | Shot blast cleaning wheel blade and blade and wheel combination |
| CN105415206A (en) * | 2015-12-31 | 2016-03-23 | 无锡透平叶片有限公司 | Universal shot-blasting fixture for tenon tooth blades of steam turbine |
| CN205940943U (en) * | 2016-07-25 | 2017-02-08 | 中国航空动力机械研究所 | Engine blade clamping device |
| CN206215415U (en) * | 2016-09-30 | 2017-06-06 | 中国南方航空工业(集团)有限公司 | A kind of blade tenon sprayed protection fixture |
| CN107941607A (en) * | 2017-12-26 | 2018-04-20 | 中国航发四川燃气涡轮研究院 | Suitable for the clamping device of big rigidity high-pressure turbine blade high-cycle fatigue test |
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| PB01 | Publication | ||
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Application publication date: 20210618 |